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[thirdparty/grsecurity-scrape.git] / test / grsecurity-3.0-3.18.5-201502021854.patch
1 diff --git a/Documentation/dontdiff b/Documentation/dontdiff
2 index 9de9813..1462492 100644
3 --- a/Documentation/dontdiff
4 +++ b/Documentation/dontdiff
5 @@ -3,9 +3,11 @@
6 *.bc
7 *.bin
8 *.bz2
9 +*.c.[012]*.*
10 *.cis
11 *.cpio
12 *.csp
13 +*.dbg
14 *.dsp
15 *.dvi
16 *.elf
17 @@ -15,6 +17,7 @@
18 *.gcov
19 *.gen.S
20 *.gif
21 +*.gmo
22 *.grep
23 *.grp
24 *.gz
25 @@ -51,14 +54,17 @@
26 *.tab.h
27 *.tex
28 *.ver
29 +*.vim
30 *.xml
31 *.xz
32 *_MODULES
33 +*_reg_safe.h
34 *_vga16.c
35 *~
36 \#*#
37 *.9
38 -.*
39 +.[^g]*
40 +.gen*
41 .*.d
42 .mm
43 53c700_d.h
44 @@ -72,9 +78,11 @@ Image
45 Module.markers
46 Module.symvers
47 PENDING
48 +PERF*
49 SCCS
50 System.map*
51 TAGS
52 +TRACEEVENT-CFLAGS
53 aconf
54 af_names.h
55 aic7*reg.h*
56 @@ -83,6 +91,7 @@ aic7*seq.h*
57 aicasm
58 aicdb.h*
59 altivec*.c
60 +ashldi3.S
61 asm-offsets.h
62 asm_offsets.h
63 autoconf.h*
64 @@ -95,32 +104,40 @@ bounds.h
65 bsetup
66 btfixupprep
67 build
68 +builtin-policy.h
69 bvmlinux
70 bzImage*
71 capability_names.h
72 capflags.c
73 classlist.h*
74 +clut_vga16.c
75 +common-cmds.h
76 comp*.log
77 compile.h*
78 conf
79 config
80 config-*
81 config_data.h*
82 +config.c
83 config.mak
84 config.mak.autogen
85 +config.tmp
86 conmakehash
87 consolemap_deftbl.c*
88 cpustr.h
89 crc32table.h*
90 cscope.*
91 defkeymap.c
92 +devicetable-offsets.h
93 devlist.h*
94 dnotify_test
95 docproc
96 dslm
97 +dtc-lexer.lex.c
98 elf2ecoff
99 elfconfig.h*
100 evergreen_reg_safe.h
101 +exception_policy.conf
102 fixdep
103 flask.h
104 fore200e_mkfirm
105 @@ -128,12 +145,15 @@ fore200e_pca_fw.c*
106 gconf
107 gconf.glade.h
108 gen-devlist
109 +gen-kdb_cmds.c
110 gen_crc32table
111 gen_init_cpio
112 generated
113 genheaders
114 genksyms
115 *_gray256.c
116 +hash
117 +hid-example
118 hpet_example
119 hugepage-mmap
120 hugepage-shm
121 @@ -148,14 +168,14 @@ int32.c
122 int4.c
123 int8.c
124 kallsyms
125 -kconfig
126 +kern_constants.h
127 keywords.c
128 ksym.c*
129 ksym.h*
130 kxgettext
131 lex.c
132 lex.*.c
133 -linux
134 +lib1funcs.S
135 logo_*.c
136 logo_*_clut224.c
137 logo_*_mono.c
138 @@ -165,14 +185,15 @@ mach-types.h
139 machtypes.h
140 map
141 map_hugetlb
142 -media
143 mconf
144 +mdp
145 miboot*
146 mk_elfconfig
147 mkboot
148 mkbugboot
149 mkcpustr
150 mkdep
151 +mkpiggy
152 mkprep
153 mkregtable
154 mktables
155 @@ -188,6 +209,8 @@ oui.c*
156 page-types
157 parse.c
158 parse.h
159 +parse-events*
160 +pasyms.h
161 patches*
162 pca200e.bin
163 pca200e_ecd.bin2
164 @@ -197,6 +220,7 @@ perf-archive
165 piggyback
166 piggy.gzip
167 piggy.S
168 +pmu-*
169 pnmtologo
170 ppc_defs.h*
171 pss_boot.h
172 @@ -206,7 +230,12 @@ r200_reg_safe.h
173 r300_reg_safe.h
174 r420_reg_safe.h
175 r600_reg_safe.h
176 +randomize_layout_hash.h
177 +randomize_layout_seed.h
178 +realmode.lds
179 +realmode.relocs
180 recordmcount
181 +regdb.c
182 relocs
183 rlim_names.h
184 rn50_reg_safe.h
185 @@ -216,8 +245,12 @@ series
186 setup
187 setup.bin
188 setup.elf
189 +signing_key*
190 +size_overflow_hash.h
191 sImage
192 +slabinfo
193 sm_tbl*
194 +sortextable
195 split-include
196 syscalltab.h
197 tables.c
198 @@ -227,6 +260,7 @@ tftpboot.img
199 timeconst.h
200 times.h*
201 trix_boot.h
202 +user_constants.h
203 utsrelease.h*
204 vdso-syms.lds
205 vdso.lds
206 @@ -238,13 +272,17 @@ vdso32.lds
207 vdso32.so.dbg
208 vdso64.lds
209 vdso64.so.dbg
210 +vdsox32.lds
211 +vdsox32-syms.lds
212 version.h*
213 vmImage
214 vmlinux
215 vmlinux-*
216 vmlinux.aout
217 vmlinux.bin.all
218 +vmlinux.bin.bz2
219 vmlinux.lds
220 +vmlinux.relocs
221 vmlinuz
222 voffset.h
223 vsyscall.lds
224 @@ -252,9 +290,12 @@ vsyscall_32.lds
225 wanxlfw.inc
226 uImage
227 unifdef
228 +utsrelease.h
229 wakeup.bin
230 wakeup.elf
231 wakeup.lds
232 +x509*
233 zImage*
234 zconf.hash.c
235 +zconf.lex.c
236 zoffset.h
237 diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
238 index a311db8..415b28c 100644
239 --- a/Documentation/kbuild/makefiles.txt
240 +++ b/Documentation/kbuild/makefiles.txt
241 @@ -23,10 +23,11 @@ This document describes the Linux kernel Makefiles.
242 === 4 Host Program support
243 --- 4.1 Simple Host Program
244 --- 4.2 Composite Host Programs
245 - --- 4.3 Using C++ for host programs
246 - --- 4.4 Controlling compiler options for host programs
247 - --- 4.5 When host programs are actually built
248 - --- 4.6 Using hostprogs-$(CONFIG_FOO)
249 + --- 4.3 Defining shared libraries
250 + --- 4.4 Using C++ for host programs
251 + --- 4.5 Controlling compiler options for host programs
252 + --- 4.6 When host programs are actually built
253 + --- 4.7 Using hostprogs-$(CONFIG_FOO)
254
255 === 5 Kbuild clean infrastructure
256
257 @@ -642,7 +643,29 @@ Both possibilities are described in the following.
258 Finally, the two .o files are linked to the executable, lxdialog.
259 Note: The syntax <executable>-y is not permitted for host-programs.
260
261 ---- 4.3 Using C++ for host programs
262 +--- 4.3 Defining shared libraries
263 +
264 + Objects with extension .so are considered shared libraries, and
265 + will be compiled as position independent objects.
266 + Kbuild provides support for shared libraries, but the usage
267 + shall be restricted.
268 + In the following example the libkconfig.so shared library is used
269 + to link the executable conf.
270 +
271 + Example:
272 + #scripts/kconfig/Makefile
273 + hostprogs-y := conf
274 + conf-objs := conf.o libkconfig.so
275 + libkconfig-objs := expr.o type.o
276 +
277 + Shared libraries always require a corresponding -objs line, and
278 + in the example above the shared library libkconfig is composed by
279 + the two objects expr.o and type.o.
280 + expr.o and type.o will be built as position independent code and
281 + linked as a shared library libkconfig.so. C++ is not supported for
282 + shared libraries.
283 +
284 +--- 4.4 Using C++ for host programs
285
286 kbuild offers support for host programs written in C++. This was
287 introduced solely to support kconfig, and is not recommended
288 @@ -665,7 +688,7 @@ Both possibilities are described in the following.
289 qconf-cxxobjs := qconf.o
290 qconf-objs := check.o
291
292 ---- 4.4 Controlling compiler options for host programs
293 +--- 4.5 Controlling compiler options for host programs
294
295 When compiling host programs, it is possible to set specific flags.
296 The programs will always be compiled utilising $(HOSTCC) passed
297 @@ -693,7 +716,7 @@ Both possibilities are described in the following.
298 When linking qconf, it will be passed the extra option
299 "-L$(QTDIR)/lib".
300
301 ---- 4.5 When host programs are actually built
302 +--- 4.6 When host programs are actually built
303
304 Kbuild will only build host-programs when they are referenced
305 as a prerequisite.
306 @@ -724,7 +747,7 @@ Both possibilities are described in the following.
307 This will tell kbuild to build lxdialog even if not referenced in
308 any rule.
309
310 ---- 4.6 Using hostprogs-$(CONFIG_FOO)
311 +--- 4.7 Using hostprogs-$(CONFIG_FOO)
312
313 A typical pattern in a Kbuild file looks like this:
314
315 diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
316 index f4c71d4..66811b1 100644
317 --- a/Documentation/kernel-parameters.txt
318 +++ b/Documentation/kernel-parameters.txt
319 @@ -1182,6 +1182,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
320 Format: <unsigned int> such that (rxsize & ~0x1fffc0) == 0.
321 Default: 1024
322
323 + grsec_proc_gid= [GRKERNSEC_PROC_USERGROUP] Chooses GID to
324 + ignore grsecurity's /proc restrictions
325 +
326 +
327 hashdist= [KNL,NUMA] Large hashes allocated during boot
328 are distributed across NUMA nodes. Defaults on
329 for 64-bit NUMA, off otherwise.
330 @@ -2260,6 +2264,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
331 noexec=on: enable non-executable mappings (default)
332 noexec=off: disable non-executable mappings
333
334 + nopcid [X86-64]
335 + Disable PCID (Process-Context IDentifier) even if it
336 + is supported by the processor.
337 +
338 nosmap [X86]
339 Disable SMAP (Supervisor Mode Access Prevention)
340 even if it is supported by processor.
341 @@ -2552,6 +2560,30 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
342 the specified number of seconds. This is to be used if
343 your oopses keep scrolling off the screen.
344
345 + pax_nouderef [X86] disables UDEREF. Most likely needed under certain
346 + virtualization environments that don't cope well with the
347 + expand down segment used by UDEREF on X86-32 or the frequent
348 + page table updates on X86-64.
349 +
350 + pax_sanitize_slab=
351 + Format: { 0 | 1 | off | fast | full }
352 + Options '0' and '1' are only provided for backward
353 + compatibility, 'off' or 'fast' should be used instead.
354 + 0|off : disable slab object sanitization
355 + 1|fast: enable slab object sanitization excluding
356 + whitelisted slabs (default)
357 + full : sanitize all slabs, even the whitelisted ones
358 +
359 + pax_softmode= 0/1 to disable/enable PaX softmode on boot already.
360 +
361 + pax_extra_latent_entropy
362 + Enable a very simple form of latent entropy extraction
363 + from the first 4GB of memory as the bootmem allocator
364 + passes the memory pages to the buddy allocator.
365 +
366 + pax_weakuderef [X86-64] enables the weaker but faster form of UDEREF
367 + when the processor supports PCID.
368 +
369 pcbit= [HW,ISDN]
370
371 pcd. [PARIDE]
372 diff --git a/Makefile b/Makefile
373 index 6276fca..e21ed81 100644
374 --- a/Makefile
375 +++ b/Makefile
376 @@ -298,7 +298,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
377 HOSTCC = gcc
378 HOSTCXX = g++
379 HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
380 -HOSTCXXFLAGS = -O2
381 +HOSTCFLAGS = -Wall -W -Wmissing-prototypes -Wstrict-prototypes -Wno-unused-parameter -Wno-missing-field-initializers -O2 -fomit-frame-pointer -std=gnu89 -fno-delete-null-pointer-checks
382 +HOSTCFLAGS += $(call cc-option, -Wno-empty-body)
383 +HOSTCXXFLAGS = -O2 -Wall -W -Wno-array-bounds
384
385 ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
386 HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \
387 @@ -445,8 +447,8 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
388 # Rules shared between *config targets and build targets
389
390 # Basic helpers built in scripts/
391 -PHONY += scripts_basic
392 -scripts_basic:
393 +PHONY += scripts_basic gcc-plugins
394 +scripts_basic: gcc-plugins
395 $(Q)$(MAKE) $(build)=scripts/basic
396 $(Q)rm -f .tmp_quiet_recordmcount
397
398 @@ -620,6 +622,72 @@ endif
399 # Tell gcc to never replace conditional load with a non-conditional one
400 KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
401
402 +ifndef DISABLE_PAX_PLUGINS
403 +ifeq ($(call cc-ifversion, -ge, 0408, y), y)
404 +PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCXX)" "$(HOSTCXX)" "$(CC)")
405 +else
406 +PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)")
407 +endif
408 +ifneq ($(PLUGINCC),)
409 +ifdef CONFIG_PAX_CONSTIFY_PLUGIN
410 +CONSTIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/constify_plugin.so -DCONSTIFY_PLUGIN
411 +endif
412 +ifdef CONFIG_PAX_MEMORY_STACKLEAK
413 +STACKLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/stackleak_plugin.so -DSTACKLEAK_PLUGIN
414 +STACKLEAK_PLUGIN_CFLAGS += -fplugin-arg-stackleak_plugin-track-lowest-sp=100
415 +endif
416 +ifdef CONFIG_KALLOCSTAT_PLUGIN
417 +KALLOCSTAT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kallocstat_plugin.so
418 +endif
419 +ifdef CONFIG_PAX_KERNEXEC_PLUGIN
420 +KERNEXEC_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kernexec_plugin.so
421 +KERNEXEC_PLUGIN_CFLAGS += -fplugin-arg-kernexec_plugin-method=$(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD) -DKERNEXEC_PLUGIN
422 +KERNEXEC_PLUGIN_AFLAGS := -DKERNEXEC_PLUGIN
423 +endif
424 +ifdef CONFIG_GRKERNSEC_RANDSTRUCT
425 +RANDSTRUCT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/randomize_layout_plugin.so -DRANDSTRUCT_PLUGIN
426 +ifdef CONFIG_GRKERNSEC_RANDSTRUCT_PERFORMANCE
427 +RANDSTRUCT_PLUGIN_CFLAGS += -fplugin-arg-randomize_layout_plugin-performance-mode
428 +endif
429 +endif
430 +ifdef CONFIG_CHECKER_PLUGIN
431 +ifeq ($(call cc-ifversion, -ge, 0406, y), y)
432 +CHECKER_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/checker_plugin.so -DCHECKER_PLUGIN
433 +endif
434 +endif
435 +COLORIZE_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/colorize_plugin.so
436 +ifdef CONFIG_PAX_SIZE_OVERFLOW
437 +SIZE_OVERFLOW_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/size_overflow_plugin/size_overflow_plugin.so -DSIZE_OVERFLOW_PLUGIN
438 +endif
439 +ifdef CONFIG_PAX_LATENT_ENTROPY
440 +LATENT_ENTROPY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/latent_entropy_plugin.so -DLATENT_ENTROPY_PLUGIN
441 +endif
442 +ifdef CONFIG_PAX_MEMORY_STRUCTLEAK
443 +STRUCTLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/structleak_plugin.so -DSTRUCTLEAK_PLUGIN
444 +endif
445 +GCC_PLUGINS_CFLAGS := $(CONSTIFY_PLUGIN_CFLAGS) $(STACKLEAK_PLUGIN_CFLAGS) $(KALLOCSTAT_PLUGIN_CFLAGS)
446 +GCC_PLUGINS_CFLAGS += $(KERNEXEC_PLUGIN_CFLAGS) $(CHECKER_PLUGIN_CFLAGS) $(COLORIZE_PLUGIN_CFLAGS)
447 +GCC_PLUGINS_CFLAGS += $(SIZE_OVERFLOW_PLUGIN_CFLAGS) $(LATENT_ENTROPY_PLUGIN_CFLAGS) $(STRUCTLEAK_PLUGIN_CFLAGS)
448 +GCC_PLUGINS_CFLAGS += $(RANDSTRUCT_PLUGIN_CFLAGS)
449 +GCC_PLUGINS_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS)
450 +export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN LATENT_ENTROPY_PLUGIN_CFLAGS
451 +ifeq ($(KBUILD_EXTMOD),)
452 +gcc-plugins:
453 + $(Q)$(MAKE) $(build)=tools/gcc
454 +else
455 +gcc-plugins: ;
456 +endif
457 +else
458 +gcc-plugins:
459 +ifeq ($(call cc-ifversion, -ge, 0405, y), y)
460 + $(error Your gcc installation does not support plugins. If the necessary headers for plugin support are missing, they should be installed. On Debian, apt-get install gcc-<ver>-plugin-dev. If you choose to ignore this error and lessen the improvements provided by this patch, re-run make with the DISABLE_PAX_PLUGINS=y argument.))
461 +else
462 + $(Q)echo "warning, your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least"
463 +endif
464 + $(Q)echo "PAX_MEMORY_STACKLEAK, constification, PAX_LATENT_ENTROPY and other features will be less secure. PAX_SIZE_OVERFLOW will not be active."
465 +endif
466 +endif
467 +
468 ifdef CONFIG_READABLE_ASM
469 # Disable optimizations that make assembler listings hard to read.
470 # reorder blocks reorders the control in the function
471 @@ -712,7 +780,7 @@ KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g)
472 else
473 KBUILD_CFLAGS += -g
474 endif
475 -KBUILD_AFLAGS += -Wa,-gdwarf-2
476 +KBUILD_AFLAGS += -Wa,--gdwarf-2
477 endif
478 ifdef CONFIG_DEBUG_INFO_DWARF4
479 KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,)
480 @@ -877,7 +945,7 @@ export mod_sign_cmd
481
482
483 ifeq ($(KBUILD_EXTMOD),)
484 -core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
485 +core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/
486
487 vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
488 $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
489 @@ -924,6 +992,8 @@ endif
490
491 # The actual objects are generated when descending,
492 # make sure no implicit rule kicks in
493 +$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
494 +$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
495 $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
496
497 # Handle descending into subdirectories listed in $(vmlinux-dirs)
498 @@ -933,7 +1003,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
499 # Error messages still appears in the original language
500
501 PHONY += $(vmlinux-dirs)
502 -$(vmlinux-dirs): prepare scripts
503 +$(vmlinux-dirs): gcc-plugins prepare scripts
504 $(Q)$(MAKE) $(build)=$@
505
506 define filechk_kernel.release
507 @@ -976,10 +1046,13 @@ prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
508
509 archprepare: archheaders archscripts prepare1 scripts_basic
510
511 +prepare0: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
512 +prepare0: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
513 prepare0: archprepare FORCE
514 $(Q)$(MAKE) $(build)=.
515
516 # All the preparing..
517 +prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
518 prepare: prepare0
519
520 # Generate some files
521 @@ -1094,6 +1167,8 @@ all: modules
522 # using awk while concatenating to the final file.
523
524 PHONY += modules
525 +modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
526 +modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
527 modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
528 $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
529 @$(kecho) ' Building modules, stage 2.';
530 @@ -1109,7 +1184,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
531
532 # Target to prepare building external modules
533 PHONY += modules_prepare
534 -modules_prepare: prepare scripts
535 +modules_prepare: gcc-plugins prepare scripts
536
537 # Target to install modules
538 PHONY += modules_install
539 @@ -1175,7 +1250,10 @@ MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \
540 Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
541 signing_key.priv signing_key.x509 x509.genkey \
542 extra_certificates signing_key.x509.keyid \
543 - signing_key.x509.signer include/linux/version.h
544 + signing_key.x509.signer include/linux/version.h \
545 + tools/gcc/size_overflow_plugin/size_overflow_hash_aux.h \
546 + tools/gcc/size_overflow_plugin/size_overflow_hash.h \
547 + tools/gcc/randomize_layout_seed.h
548
549 # clean - Delete most, but leave enough to build external modules
550 #
551 @@ -1214,7 +1292,7 @@ distclean: mrproper
552 @find $(srctree) $(RCS_FIND_IGNORE) \
553 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
554 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
555 - -o -name '.*.rej' -o -name '*%' -o -name 'core' \) \
556 + -o -name '.*.rej' -o -name '*.so' -o -name '*%' -o -name 'core' \) \
557 -type f -print | xargs rm -f
558
559
560 @@ -1380,6 +1458,8 @@ PHONY += $(module-dirs) modules
561 $(module-dirs): crmodverdir $(objtree)/Module.symvers
562 $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
563
564 +modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
565 +modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
566 modules: $(module-dirs)
567 @$(kecho) ' Building modules, stage 2.';
568 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
569 @@ -1520,17 +1600,21 @@ else
570 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
571 endif
572
573 -%.s: %.c prepare scripts FORCE
574 +%.s: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
575 +%.s: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
576 +%.s: %.c gcc-plugins prepare scripts FORCE
577 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
578 %.i: %.c prepare scripts FORCE
579 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
580 -%.o: %.c prepare scripts FORCE
581 +%.o: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
582 +%.o: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
583 +%.o: %.c gcc-plugins prepare scripts FORCE
584 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
585 %.lst: %.c prepare scripts FORCE
586 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
587 -%.s: %.S prepare scripts FORCE
588 +%.s: %.S gcc-plugins prepare scripts FORCE
589 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
590 -%.o: %.S prepare scripts FORCE
591 +%.o: %.S gcc-plugins prepare scripts FORCE
592 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
593 %.symtypes: %.c prepare scripts FORCE
594 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
595 @@ -1542,11 +1626,15 @@ endif
596 $(build)=$(build-dir)
597 # Make sure the latest headers are built for Documentation
598 Documentation/: headers_install
599 -%/: prepare scripts FORCE
600 +%/: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
601 +%/: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
602 +%/: gcc-plugins prepare scripts FORCE
603 $(cmd_crmodverdir)
604 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
605 $(build)=$(build-dir)
606 -%.ko: prepare scripts FORCE
607 +%.ko: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
608 +%.ko: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS)
609 +%.ko: gcc-plugins prepare scripts FORCE
610 $(cmd_crmodverdir)
611 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
612 $(build)=$(build-dir) $(@:.ko=.o)
613 diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
614 index 8f8eafb..3405f46 100644
615 --- a/arch/alpha/include/asm/atomic.h
616 +++ b/arch/alpha/include/asm/atomic.h
617 @@ -239,4 +239,14 @@ static inline long atomic64_dec_if_positive(atomic64_t *v)
618 #define atomic_dec(v) atomic_sub(1,(v))
619 #define atomic64_dec(v) atomic64_sub(1,(v))
620
621 +#define atomic64_read_unchecked(v) atomic64_read(v)
622 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
623 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
624 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
625 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
626 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
627 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
628 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
629 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
630 +
631 #endif /* _ALPHA_ATOMIC_H */
632 diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
633 index ad368a9..fbe0f25 100644
634 --- a/arch/alpha/include/asm/cache.h
635 +++ b/arch/alpha/include/asm/cache.h
636 @@ -4,19 +4,19 @@
637 #ifndef __ARCH_ALPHA_CACHE_H
638 #define __ARCH_ALPHA_CACHE_H
639
640 +#include <linux/const.h>
641
642 /* Bytes per L1 (data) cache line. */
643 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
644 -# define L1_CACHE_BYTES 64
645 # define L1_CACHE_SHIFT 6
646 #else
647 /* Both EV4 and EV5 are write-through, read-allocate,
648 direct-mapped, physical.
649 */
650 -# define L1_CACHE_BYTES 32
651 # define L1_CACHE_SHIFT 5
652 #endif
653
654 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
655 #define SMP_CACHE_BYTES L1_CACHE_BYTES
656
657 #endif
658 diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h
659 index 968d999..d36b2df 100644
660 --- a/arch/alpha/include/asm/elf.h
661 +++ b/arch/alpha/include/asm/elf.h
662 @@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
663
664 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
665
666 +#ifdef CONFIG_PAX_ASLR
667 +#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL)
668 +
669 +#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28)
670 +#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19)
671 +#endif
672 +
673 /* $0 is set by ld.so to a pointer to a function which might be
674 registered using atexit. This provides a mean for the dynamic
675 linker to call DT_FINI functions for shared libraries that have
676 diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
677 index aab14a0..b4fa3e7 100644
678 --- a/arch/alpha/include/asm/pgalloc.h
679 +++ b/arch/alpha/include/asm/pgalloc.h
680 @@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
681 pgd_set(pgd, pmd);
682 }
683
684 +static inline void
685 +pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
686 +{
687 + pgd_populate(mm, pgd, pmd);
688 +}
689 +
690 extern pgd_t *pgd_alloc(struct mm_struct *mm);
691
692 static inline void
693 diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
694 index d8f9b7e..f6222fa 100644
695 --- a/arch/alpha/include/asm/pgtable.h
696 +++ b/arch/alpha/include/asm/pgtable.h
697 @@ -102,6 +102,17 @@ struct vm_area_struct;
698 #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS)
699 #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
700 #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW)
701 +
702 +#ifdef CONFIG_PAX_PAGEEXEC
703 +# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE)
704 +# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
705 +# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE)
706 +#else
707 +# define PAGE_SHARED_NOEXEC PAGE_SHARED
708 +# define PAGE_COPY_NOEXEC PAGE_COPY
709 +# define PAGE_READONLY_NOEXEC PAGE_READONLY
710 +#endif
711 +
712 #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE)
713
714 #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x))
715 diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
716 index 2fd00b7..cfd5069 100644
717 --- a/arch/alpha/kernel/module.c
718 +++ b/arch/alpha/kernel/module.c
719 @@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab,
720
721 /* The small sections were sorted to the end of the segment.
722 The following should definitely cover them. */
723 - gp = (u64)me->module_core + me->core_size - 0x8000;
724 + gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000;
725 got = sechdrs[me->arch.gotsecindex].sh_addr;
726
727 for (i = 0; i < n; i++) {
728 diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
729 index f9c732e..78fbb0f 100644
730 --- a/arch/alpha/kernel/osf_sys.c
731 +++ b/arch/alpha/kernel/osf_sys.c
732 @@ -1295,10 +1295,11 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
733 generic version except that we know how to honor ADDR_LIMIT_32BIT. */
734
735 static unsigned long
736 -arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
737 - unsigned long limit)
738 +arch_get_unmapped_area_1(struct file *filp, unsigned long addr, unsigned long len,
739 + unsigned long limit, unsigned long flags)
740 {
741 struct vm_unmapped_area_info info;
742 + unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags);
743
744 info.flags = 0;
745 info.length = len;
746 @@ -1306,6 +1307,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
747 info.high_limit = limit;
748 info.align_mask = 0;
749 info.align_offset = 0;
750 + info.threadstack_offset = offset;
751 return vm_unmapped_area(&info);
752 }
753
754 @@ -1338,20 +1340,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
755 merely specific addresses, but regions of memory -- perhaps
756 this feature should be incorporated into all ports? */
757
758 +#ifdef CONFIG_PAX_RANDMMAP
759 + if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
760 +#endif
761 +
762 if (addr) {
763 - addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit);
764 + addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(addr), len, limit, flags);
765 if (addr != (unsigned long) -ENOMEM)
766 return addr;
767 }
768
769 /* Next, try allocating at TASK_UNMAPPED_BASE. */
770 - addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE),
771 - len, limit);
772 + addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(current->mm->mmap_base), len, limit, flags);
773 +
774 if (addr != (unsigned long) -ENOMEM)
775 return addr;
776
777 /* Finally, try allocating in low memory. */
778 - addr = arch_get_unmapped_area_1 (PAGE_SIZE, len, limit);
779 + addr = arch_get_unmapped_area_1 (filp, PAGE_SIZE, len, limit, flags);
780
781 return addr;
782 }
783 diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
784 index 98838a0..b304fb4 100644
785 --- a/arch/alpha/mm/fault.c
786 +++ b/arch/alpha/mm/fault.c
787 @@ -53,6 +53,124 @@ __load_new_mm_context(struct mm_struct *next_mm)
788 __reload_thread(pcb);
789 }
790
791 +#ifdef CONFIG_PAX_PAGEEXEC
792 +/*
793 + * PaX: decide what to do with offenders (regs->pc = fault address)
794 + *
795 + * returns 1 when task should be killed
796 + * 2 when patched PLT trampoline was detected
797 + * 3 when unpatched PLT trampoline was detected
798 + */
799 +static int pax_handle_fetch_fault(struct pt_regs *regs)
800 +{
801 +
802 +#ifdef CONFIG_PAX_EMUPLT
803 + int err;
804 +
805 + do { /* PaX: patched PLT emulation #1 */
806 + unsigned int ldah, ldq, jmp;
807 +
808 + err = get_user(ldah, (unsigned int *)regs->pc);
809 + err |= get_user(ldq, (unsigned int *)(regs->pc+4));
810 + err |= get_user(jmp, (unsigned int *)(regs->pc+8));
811 +
812 + if (err)
813 + break;
814 +
815 + if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
816 + (ldq & 0xFFFF0000U) == 0xA77B0000U &&
817 + jmp == 0x6BFB0000U)
818 + {
819 + unsigned long r27, addr;
820 + unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
821 + unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL;
822 +
823 + addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
824 + err = get_user(r27, (unsigned long *)addr);
825 + if (err)
826 + break;
827 +
828 + regs->r27 = r27;
829 + regs->pc = r27;
830 + return 2;
831 + }
832 + } while (0);
833 +
834 + do { /* PaX: patched PLT emulation #2 */
835 + unsigned int ldah, lda, br;
836 +
837 + err = get_user(ldah, (unsigned int *)regs->pc);
838 + err |= get_user(lda, (unsigned int *)(regs->pc+4));
839 + err |= get_user(br, (unsigned int *)(regs->pc+8));
840 +
841 + if (err)
842 + break;
843 +
844 + if ((ldah & 0xFFFF0000U) == 0x277B0000U &&
845 + (lda & 0xFFFF0000U) == 0xA77B0000U &&
846 + (br & 0xFFE00000U) == 0xC3E00000U)
847 + {
848 + unsigned long addr = br | 0xFFFFFFFFFFE00000UL;
849 + unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16;
850 + unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL;
851 +
852 + regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL);
853 + regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
854 + return 2;
855 + }
856 + } while (0);
857 +
858 + do { /* PaX: unpatched PLT emulation */
859 + unsigned int br;
860 +
861 + err = get_user(br, (unsigned int *)regs->pc);
862 +
863 + if (!err && (br & 0xFFE00000U) == 0xC3800000U) {
864 + unsigned int br2, ldq, nop, jmp;
865 + unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver;
866 +
867 + addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2);
868 + err = get_user(br2, (unsigned int *)addr);
869 + err |= get_user(ldq, (unsigned int *)(addr+4));
870 + err |= get_user(nop, (unsigned int *)(addr+8));
871 + err |= get_user(jmp, (unsigned int *)(addr+12));
872 + err |= get_user(resolver, (unsigned long *)(addr+16));
873 +
874 + if (err)
875 + break;
876 +
877 + if (br2 == 0xC3600000U &&
878 + ldq == 0xA77B000CU &&
879 + nop == 0x47FF041FU &&
880 + jmp == 0x6B7B0000U)
881 + {
882 + regs->r28 = regs->pc+4;
883 + regs->r27 = addr+16;
884 + regs->pc = resolver;
885 + return 3;
886 + }
887 + }
888 + } while (0);
889 +#endif
890 +
891 + return 1;
892 +}
893 +
894 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
895 +{
896 + unsigned long i;
897 +
898 + printk(KERN_ERR "PAX: bytes at PC: ");
899 + for (i = 0; i < 5; i++) {
900 + unsigned int c;
901 + if (get_user(c, (unsigned int *)pc+i))
902 + printk(KERN_CONT "???????? ");
903 + else
904 + printk(KERN_CONT "%08x ", c);
905 + }
906 + printk("\n");
907 +}
908 +#endif
909
910 /*
911 * This routine handles page faults. It determines the address,
912 @@ -133,8 +251,29 @@ retry:
913 good_area:
914 si_code = SEGV_ACCERR;
915 if (cause < 0) {
916 - if (!(vma->vm_flags & VM_EXEC))
917 + if (!(vma->vm_flags & VM_EXEC)) {
918 +
919 +#ifdef CONFIG_PAX_PAGEEXEC
920 + if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc)
921 + goto bad_area;
922 +
923 + up_read(&mm->mmap_sem);
924 + switch (pax_handle_fetch_fault(regs)) {
925 +
926 +#ifdef CONFIG_PAX_EMUPLT
927 + case 2:
928 + case 3:
929 + return;
930 +#endif
931 +
932 + }
933 + pax_report_fault(regs, (void *)regs->pc, (void *)rdusp());
934 + do_group_exit(SIGKILL);
935 +#else
936 goto bad_area;
937 +#endif
938 +
939 + }
940 } else if (!cause) {
941 /* Allow reads even for write-only mappings */
942 if (!(vma->vm_flags & (VM_READ | VM_WRITE)))
943 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
944 index 89c4b5c..847a7be 100644
945 --- a/arch/arm/Kconfig
946 +++ b/arch/arm/Kconfig
947 @@ -1740,7 +1740,7 @@ config ALIGNMENT_TRAP
948
949 config UACCESS_WITH_MEMCPY
950 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()"
951 - depends on MMU
952 + depends on MMU && !PAX_MEMORY_UDEREF
953 default y if CPU_FEROCEON
954 help
955 Implement faster copy_to_user and clear_user methods for CPU
956 @@ -2004,6 +2004,7 @@ config XIP_PHYS_ADDR
957 config KEXEC
958 bool "Kexec system call (EXPERIMENTAL)"
959 depends on (!SMP || PM_SLEEP_SMP)
960 + depends on !GRKERNSEC_KMEM
961 help
962 kexec is a system call that implements the ability to shutdown your
963 current kernel, and to start another kernel. It is like a reboot
964 diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
965 index e22c119..eaa807d 100644
966 --- a/arch/arm/include/asm/atomic.h
967 +++ b/arch/arm/include/asm/atomic.h
968 @@ -18,17 +18,41 @@
969 #include <asm/barrier.h>
970 #include <asm/cmpxchg.h>
971
972 +#ifdef CONFIG_GENERIC_ATOMIC64
973 +#include <asm-generic/atomic64.h>
974 +#endif
975 +
976 #define ATOMIC_INIT(i) { (i) }
977
978 #ifdef __KERNEL__
979
980 +#ifdef CONFIG_THUMB2_KERNEL
981 +#define REFCOUNT_TRAP_INSN "bkpt 0xf1"
982 +#else
983 +#define REFCOUNT_TRAP_INSN "bkpt 0xf103"
984 +#endif
985 +
986 +#define _ASM_EXTABLE(from, to) \
987 +" .pushsection __ex_table,\"a\"\n"\
988 +" .align 3\n" \
989 +" .long " #from ", " #to"\n" \
990 +" .popsection"
991 +
992 /*
993 * On ARM, ordinary assignment (str instruction) doesn't clear the local
994 * strex/ldrex monitor on some implementations. The reason we can use it for
995 * atomic_set() is the clrex or dummy strex done on every exception return.
996 */
997 #define atomic_read(v) ACCESS_ONCE((v)->counter)
998 +static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
999 +{
1000 + return ACCESS_ONCE(v->counter);
1001 +}
1002 #define atomic_set(v,i) (((v)->counter) = (i))
1003 +static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
1004 +{
1005 + v->counter = i;
1006 +}
1007
1008 #if __LINUX_ARM_ARCH__ >= 6
1009
1010 @@ -38,26 +62,50 @@
1011 * to ensure that the update happens.
1012 */
1013
1014 -#define ATOMIC_OP(op, c_op, asm_op) \
1015 -static inline void atomic_##op(int i, atomic_t *v) \
1016 +#ifdef CONFIG_PAX_REFCOUNT
1017 +#define __OVERFLOW_POST \
1018 + " bvc 3f\n" \
1019 + "2: " REFCOUNT_TRAP_INSN "\n"\
1020 + "3:\n"
1021 +#define __OVERFLOW_POST_RETURN \
1022 + " bvc 3f\n" \
1023 +" mov %0, %1\n" \
1024 + "2: " REFCOUNT_TRAP_INSN "\n"\
1025 + "3:\n"
1026 +#define __OVERFLOW_EXTABLE \
1027 + "4:\n" \
1028 + _ASM_EXTABLE(2b, 4b)
1029 +#else
1030 +#define __OVERFLOW_POST
1031 +#define __OVERFLOW_POST_RETURN
1032 +#define __OVERFLOW_EXTABLE
1033 +#endif
1034 +
1035 +#define __ATOMIC_OP(op, suffix, c_op, asm_op, post_op, extable) \
1036 +static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \
1037 { \
1038 unsigned long tmp; \
1039 int result; \
1040 \
1041 prefetchw(&v->counter); \
1042 - __asm__ __volatile__("@ atomic_" #op "\n" \
1043 + __asm__ __volatile__("@ atomic_" #op #suffix "\n" \
1044 "1: ldrex %0, [%3]\n" \
1045 " " #asm_op " %0, %0, %4\n" \
1046 + post_op \
1047 " strex %1, %0, [%3]\n" \
1048 " teq %1, #0\n" \
1049 -" bne 1b" \
1050 +" bne 1b\n" \
1051 + extable \
1052 : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \
1053 : "r" (&v->counter), "Ir" (i) \
1054 : "cc"); \
1055 } \
1056
1057 -#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
1058 -static inline int atomic_##op##_return(int i, atomic_t *v) \
1059 +#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, , c_op, asm_op, , )\
1060 + __ATOMIC_OP(op, _unchecked, c_op, asm_op##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE)
1061 +
1062 +#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op, post_op, extable) \
1063 +static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\
1064 { \
1065 unsigned long tmp; \
1066 int result; \
1067 @@ -65,12 +113,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
1068 smp_mb(); \
1069 prefetchw(&v->counter); \
1070 \
1071 - __asm__ __volatile__("@ atomic_" #op "_return\n" \
1072 + __asm__ __volatile__("@ atomic_" #op "_return" #suffix "\n" \
1073 "1: ldrex %0, [%3]\n" \
1074 " " #asm_op " %0, %0, %4\n" \
1075 + post_op \
1076 " strex %1, %0, [%3]\n" \
1077 " teq %1, #0\n" \
1078 -" bne 1b" \
1079 +" bne 1b\n" \
1080 + extable \
1081 : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \
1082 : "r" (&v->counter), "Ir" (i) \
1083 : "cc"); \
1084 @@ -80,6 +130,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
1085 return result; \
1086 }
1087
1088 +#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, , c_op, asm_op, , )\
1089 + __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE)
1090 +
1091 static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
1092 {
1093 int oldval;
1094 @@ -115,12 +168,24 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
1095 __asm__ __volatile__ ("@ atomic_add_unless\n"
1096 "1: ldrex %0, [%4]\n"
1097 " teq %0, %5\n"
1098 -" beq 2f\n"
1099 -" add %1, %0, %6\n"
1100 +" beq 4f\n"
1101 +" adds %1, %0, %6\n"
1102 +
1103 +#ifdef CONFIG_PAX_REFCOUNT
1104 +" bvc 3f\n"
1105 +"2: " REFCOUNT_TRAP_INSN "\n"
1106 +"3:\n"
1107 +#endif
1108 +
1109 " strex %2, %1, [%4]\n"
1110 " teq %2, #0\n"
1111 " bne 1b\n"
1112 -"2:"
1113 +"4:"
1114 +
1115 +#ifdef CONFIG_PAX_REFCOUNT
1116 + _ASM_EXTABLE(2b, 4b)
1117 +#endif
1118 +
1119 : "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter)
1120 : "r" (&v->counter), "r" (u), "r" (a)
1121 : "cc");
1122 @@ -131,14 +196,36 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
1123 return oldval;
1124 }
1125
1126 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new)
1127 +{
1128 + unsigned long oldval, res;
1129 +
1130 + smp_mb();
1131 +
1132 + do {
1133 + __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n"
1134 + "ldrex %1, [%3]\n"
1135 + "mov %0, #0\n"
1136 + "teq %1, %4\n"
1137 + "strexeq %0, %5, [%3]\n"
1138 + : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
1139 + : "r" (&ptr->counter), "Ir" (old), "r" (new)
1140 + : "cc");
1141 + } while (res);
1142 +
1143 + smp_mb();
1144 +
1145 + return oldval;
1146 +}
1147 +
1148 #else /* ARM_ARCH_6 */
1149
1150 #ifdef CONFIG_SMP
1151 #error SMP not supported on pre-ARMv6 CPUs
1152 #endif
1153
1154 -#define ATOMIC_OP(op, c_op, asm_op) \
1155 -static inline void atomic_##op(int i, atomic_t *v) \
1156 +#define __ATOMIC_OP(op, suffix, c_op, asm_op) \
1157 +static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \
1158 { \
1159 unsigned long flags; \
1160 \
1161 @@ -147,8 +234,11 @@ static inline void atomic_##op(int i, atomic_t *v) \
1162 raw_local_irq_restore(flags); \
1163 } \
1164
1165 -#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
1166 -static inline int atomic_##op##_return(int i, atomic_t *v) \
1167 +#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, , c_op, asm_op) \
1168 + __ATOMIC_OP(op, _unchecked, c_op, asm_op)
1169 +
1170 +#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op) \
1171 +static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\
1172 { \
1173 unsigned long flags; \
1174 int val; \
1175 @@ -161,6 +251,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
1176 return val; \
1177 }
1178
1179 +#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, , c_op, asm_op)\
1180 + __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op)
1181 +
1182 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
1183 {
1184 int ret;
1185 @@ -175,6 +268,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
1186 return ret;
1187 }
1188
1189 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
1190 +{
1191 + return atomic_cmpxchg((atomic_t *)v, old, new);
1192 +}
1193 +
1194 static inline int __atomic_add_unless(atomic_t *v, int a, int u)
1195 {
1196 int c, old;
1197 @@ -196,16 +294,38 @@ ATOMIC_OPS(sub, -=, sub)
1198
1199 #undef ATOMIC_OPS
1200 #undef ATOMIC_OP_RETURN
1201 +#undef __ATOMIC_OP_RETURN
1202 #undef ATOMIC_OP
1203 +#undef __ATOMIC_OP
1204
1205 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
1206 +static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
1207 +{
1208 + return xchg(&v->counter, new);
1209 +}
1210
1211 #define atomic_inc(v) atomic_add(1, v)
1212 +static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
1213 +{
1214 + atomic_add_unchecked(1, v);
1215 +}
1216 #define atomic_dec(v) atomic_sub(1, v)
1217 +static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
1218 +{
1219 + atomic_sub_unchecked(1, v);
1220 +}
1221
1222 #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
1223 +static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
1224 +{
1225 + return atomic_add_return_unchecked(1, v) == 0;
1226 +}
1227 #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
1228 #define atomic_inc_return(v) (atomic_add_return(1, v))
1229 +static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
1230 +{
1231 + return atomic_add_return_unchecked(1, v);
1232 +}
1233 #define atomic_dec_return(v) (atomic_sub_return(1, v))
1234 #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
1235
1236 @@ -216,6 +336,14 @@ typedef struct {
1237 long long counter;
1238 } atomic64_t;
1239
1240 +#ifdef CONFIG_PAX_REFCOUNT
1241 +typedef struct {
1242 + long long counter;
1243 +} atomic64_unchecked_t;
1244 +#else
1245 +typedef atomic64_t atomic64_unchecked_t;
1246 +#endif
1247 +
1248 #define ATOMIC64_INIT(i) { (i) }
1249
1250 #ifdef CONFIG_ARM_LPAE
1251 @@ -232,6 +360,19 @@ static inline long long atomic64_read(const atomic64_t *v)
1252 return result;
1253 }
1254
1255 +static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v)
1256 +{
1257 + long long result;
1258 +
1259 + __asm__ __volatile__("@ atomic64_read_unchecked\n"
1260 +" ldrd %0, %H0, [%1]"
1261 + : "=&r" (result)
1262 + : "r" (&v->counter), "Qo" (v->counter)
1263 + );
1264 +
1265 + return result;
1266 +}
1267 +
1268 static inline void atomic64_set(atomic64_t *v, long long i)
1269 {
1270 __asm__ __volatile__("@ atomic64_set\n"
1271 @@ -240,6 +381,15 @@ static inline void atomic64_set(atomic64_t *v, long long i)
1272 : "r" (&v->counter), "r" (i)
1273 );
1274 }
1275 +
1276 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i)
1277 +{
1278 + __asm__ __volatile__("@ atomic64_set_unchecked\n"
1279 +" strd %2, %H2, [%1]"
1280 + : "=Qo" (v->counter)
1281 + : "r" (&v->counter), "r" (i)
1282 + );
1283 +}
1284 #else
1285 static inline long long atomic64_read(const atomic64_t *v)
1286 {
1287 @@ -254,6 +404,19 @@ static inline long long atomic64_read(const atomic64_t *v)
1288 return result;
1289 }
1290
1291 +static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v)
1292 +{
1293 + long long result;
1294 +
1295 + __asm__ __volatile__("@ atomic64_read_unchecked\n"
1296 +" ldrexd %0, %H0, [%1]"
1297 + : "=&r" (result)
1298 + : "r" (&v->counter), "Qo" (v->counter)
1299 + );
1300 +
1301 + return result;
1302 +}
1303 +
1304 static inline void atomic64_set(atomic64_t *v, long long i)
1305 {
1306 long long tmp;
1307 @@ -268,29 +431,57 @@ static inline void atomic64_set(atomic64_t *v, long long i)
1308 : "r" (&v->counter), "r" (i)
1309 : "cc");
1310 }
1311 +
1312 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i)
1313 +{
1314 + long long tmp;
1315 +
1316 + prefetchw(&v->counter);
1317 + __asm__ __volatile__("@ atomic64_set_unchecked\n"
1318 +"1: ldrexd %0, %H0, [%2]\n"
1319 +" strexd %0, %3, %H3, [%2]\n"
1320 +" teq %0, #0\n"
1321 +" bne 1b"
1322 + : "=&r" (tmp), "=Qo" (v->counter)
1323 + : "r" (&v->counter), "r" (i)
1324 + : "cc");
1325 +}
1326 #endif
1327
1328 -#define ATOMIC64_OP(op, op1, op2) \
1329 -static inline void atomic64_##op(long long i, atomic64_t *v) \
1330 +#undef __OVERFLOW_POST_RETURN
1331 +#define __OVERFLOW_POST_RETURN \
1332 + " bvc 3f\n" \
1333 +" mov %0, %1\n" \
1334 +" mov %H0, %H1\n" \
1335 + "2: " REFCOUNT_TRAP_INSN "\n"\
1336 + "3:\n"
1337 +
1338 +#define __ATOMIC64_OP(op, suffix, op1, op2, post_op, extable) \
1339 +static inline void atomic64_##op##suffix(long long i, atomic64##suffix##_t *v)\
1340 { \
1341 long long result; \
1342 unsigned long tmp; \
1343 \
1344 prefetchw(&v->counter); \
1345 - __asm__ __volatile__("@ atomic64_" #op "\n" \
1346 + __asm__ __volatile__("@ atomic64_" #op #suffix "\n" \
1347 "1: ldrexd %0, %H0, [%3]\n" \
1348 " " #op1 " %Q0, %Q0, %Q4\n" \
1349 " " #op2 " %R0, %R0, %R4\n" \
1350 + post_op \
1351 " strexd %1, %0, %H0, [%3]\n" \
1352 " teq %1, #0\n" \
1353 -" bne 1b" \
1354 +" bne 1b\n" \
1355 + extable \
1356 : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \
1357 : "r" (&v->counter), "r" (i) \
1358 : "cc"); \
1359 } \
1360
1361 -#define ATOMIC64_OP_RETURN(op, op1, op2) \
1362 -static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \
1363 +#define ATOMIC64_OP(op, op1, op2) __ATOMIC64_OP(op, , op1, op2, , ) \
1364 + __ATOMIC64_OP(op, _unchecked, op1, op2##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE)
1365 +
1366 +#define __ATOMIC64_OP_RETURN(op, suffix, op1, op2, post_op, extable) \
1367 +static inline long long atomic64_##op##_return##suffix(long long i, atomic64##suffix##_t *v) \
1368 { \
1369 long long result; \
1370 unsigned long tmp; \
1371 @@ -298,13 +489,15 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \
1372 smp_mb(); \
1373 prefetchw(&v->counter); \
1374 \
1375 - __asm__ __volatile__("@ atomic64_" #op "_return\n" \
1376 + __asm__ __volatile__("@ atomic64_" #op "_return" #suffix "\n" \
1377 "1: ldrexd %0, %H0, [%3]\n" \
1378 " " #op1 " %Q0, %Q0, %Q4\n" \
1379 " " #op2 " %R0, %R0, %R4\n" \
1380 + post_op \
1381 " strexd %1, %0, %H0, [%3]\n" \
1382 " teq %1, #0\n" \
1383 -" bne 1b" \
1384 +" bne 1b\n" \
1385 + extable \
1386 : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \
1387 : "r" (&v->counter), "r" (i) \
1388 : "cc"); \
1389 @@ -314,6 +507,9 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \
1390 return result; \
1391 }
1392
1393 +#define ATOMIC64_OP_RETURN(op, op1, op2) __ATOMIC64_OP_RETURN(op, , op1, op2, , ) \
1394 + __ATOMIC64_OP_RETURN(op, _unchecked, op1, op2##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE)
1395 +
1396 #define ATOMIC64_OPS(op, op1, op2) \
1397 ATOMIC64_OP(op, op1, op2) \
1398 ATOMIC64_OP_RETURN(op, op1, op2)
1399 @@ -323,7 +519,12 @@ ATOMIC64_OPS(sub, subs, sbc)
1400
1401 #undef ATOMIC64_OPS
1402 #undef ATOMIC64_OP_RETURN
1403 +#undef __ATOMIC64_OP_RETURN
1404 #undef ATOMIC64_OP
1405 +#undef __ATOMIC64_OP
1406 +#undef __OVERFLOW_EXTABLE
1407 +#undef __OVERFLOW_POST_RETURN
1408 +#undef __OVERFLOW_POST
1409
1410 static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old,
1411 long long new)
1412 @@ -351,6 +552,31 @@ static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old,
1413 return oldval;
1414 }
1415
1416 +static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, long long old,
1417 + long long new)
1418 +{
1419 + long long oldval;
1420 + unsigned long res;
1421 +
1422 + smp_mb();
1423 +
1424 + do {
1425 + __asm__ __volatile__("@ atomic64_cmpxchg_unchecked\n"
1426 + "ldrexd %1, %H1, [%3]\n"
1427 + "mov %0, #0\n"
1428 + "teq %1, %4\n"
1429 + "teqeq %H1, %H4\n"
1430 + "strexdeq %0, %5, %H5, [%3]"
1431 + : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
1432 + : "r" (&ptr->counter), "r" (old), "r" (new)
1433 + : "cc");
1434 + } while (res);
1435 +
1436 + smp_mb();
1437 +
1438 + return oldval;
1439 +}
1440 +
1441 static inline long long atomic64_xchg(atomic64_t *ptr, long long new)
1442 {
1443 long long result;
1444 @@ -376,21 +602,35 @@ static inline long long atomic64_xchg(atomic64_t *ptr, long long new)
1445 static inline long long atomic64_dec_if_positive(atomic64_t *v)
1446 {
1447 long long result;
1448 - unsigned long tmp;
1449 + u64 tmp;
1450
1451 smp_mb();
1452 prefetchw(&v->counter);
1453
1454 __asm__ __volatile__("@ atomic64_dec_if_positive\n"
1455 -"1: ldrexd %0, %H0, [%3]\n"
1456 -" subs %Q0, %Q0, #1\n"
1457 -" sbc %R0, %R0, #0\n"
1458 +"1: ldrexd %1, %H1, [%3]\n"
1459 +" subs %Q0, %Q1, #1\n"
1460 +" sbcs %R0, %R1, #0\n"
1461 +
1462 +#ifdef CONFIG_PAX_REFCOUNT
1463 +" bvc 3f\n"
1464 +" mov %Q0, %Q1\n"
1465 +" mov %R0, %R1\n"
1466 +"2: " REFCOUNT_TRAP_INSN "\n"
1467 +"3:\n"
1468 +#endif
1469 +
1470 " teq %R0, #0\n"
1471 -" bmi 2f\n"
1472 +" bmi 4f\n"
1473 " strexd %1, %0, %H0, [%3]\n"
1474 " teq %1, #0\n"
1475 " bne 1b\n"
1476 -"2:"
1477 +"4:\n"
1478 +
1479 +#ifdef CONFIG_PAX_REFCOUNT
1480 + _ASM_EXTABLE(2b, 4b)
1481 +#endif
1482 +
1483 : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
1484 : "r" (&v->counter)
1485 : "cc");
1486 @@ -414,13 +654,25 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
1487 " teq %0, %5\n"
1488 " teqeq %H0, %H5\n"
1489 " moveq %1, #0\n"
1490 -" beq 2f\n"
1491 +" beq 4f\n"
1492 " adds %Q0, %Q0, %Q6\n"
1493 -" adc %R0, %R0, %R6\n"
1494 +" adcs %R0, %R0, %R6\n"
1495 +
1496 +#ifdef CONFIG_PAX_REFCOUNT
1497 +" bvc 3f\n"
1498 +"2: " REFCOUNT_TRAP_INSN "\n"
1499 +"3:\n"
1500 +#endif
1501 +
1502 " strexd %2, %0, %H0, [%4]\n"
1503 " teq %2, #0\n"
1504 " bne 1b\n"
1505 -"2:"
1506 +"4:\n"
1507 +
1508 +#ifdef CONFIG_PAX_REFCOUNT
1509 + _ASM_EXTABLE(2b, 4b)
1510 +#endif
1511 +
1512 : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter)
1513 : "r" (&v->counter), "r" (u), "r" (a)
1514 : "cc");
1515 @@ -433,10 +685,13 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u)
1516
1517 #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
1518 #define atomic64_inc(v) atomic64_add(1LL, (v))
1519 +#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v))
1520 #define atomic64_inc_return(v) atomic64_add_return(1LL, (v))
1521 +#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1LL, (v))
1522 #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
1523 #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0)
1524 #define atomic64_dec(v) atomic64_sub(1LL, (v))
1525 +#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v))
1526 #define atomic64_dec_return(v) atomic64_sub_return(1LL, (v))
1527 #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
1528 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
1529 diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
1530 index c6a3e73..35cca85 100644
1531 --- a/arch/arm/include/asm/barrier.h
1532 +++ b/arch/arm/include/asm/barrier.h
1533 @@ -63,7 +63,7 @@
1534 do { \
1535 compiletime_assert_atomic_type(*p); \
1536 smp_mb(); \
1537 - ACCESS_ONCE(*p) = (v); \
1538 + ACCESS_ONCE_RW(*p) = (v); \
1539 } while (0)
1540
1541 #define smp_load_acquire(p) \
1542 diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
1543 index 75fe66b..ba3dee4 100644
1544 --- a/arch/arm/include/asm/cache.h
1545 +++ b/arch/arm/include/asm/cache.h
1546 @@ -4,8 +4,10 @@
1547 #ifndef __ASMARM_CACHE_H
1548 #define __ASMARM_CACHE_H
1549
1550 +#include <linux/const.h>
1551 +
1552 #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT
1553 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
1554 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
1555
1556 /*
1557 * Memory returned by kmalloc() may be used for DMA, so we must make
1558 @@ -24,5 +26,6 @@
1559 #endif
1560
1561 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
1562 +#define __read_only __attribute__ ((__section__(".data..read_only")))
1563
1564 #endif
1565 diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
1566 index 10e78d0..dc8505d 100644
1567 --- a/arch/arm/include/asm/cacheflush.h
1568 +++ b/arch/arm/include/asm/cacheflush.h
1569 @@ -116,7 +116,7 @@ struct cpu_cache_fns {
1570 void (*dma_unmap_area)(const void *, size_t, int);
1571
1572 void (*dma_flush_range)(const void *, const void *);
1573 -};
1574 +} __no_const;
1575
1576 /*
1577 * Select the calling method
1578 diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h
1579 index 5233151..87a71fa 100644
1580 --- a/arch/arm/include/asm/checksum.h
1581 +++ b/arch/arm/include/asm/checksum.h
1582 @@ -37,7 +37,19 @@ __wsum
1583 csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
1584
1585 __wsum
1586 -csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr);
1587 +__csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr);
1588 +
1589 +static inline __wsum
1590 +csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr)
1591 +{
1592 + __wsum ret;
1593 + pax_open_userland();
1594 + ret = __csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
1595 + pax_close_userland();
1596 + return ret;
1597 +}
1598 +
1599 +
1600
1601 /*
1602 * Fold a partial checksum without adding pseudo headers
1603 diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
1604 index abb2c37..96db950 100644
1605 --- a/arch/arm/include/asm/cmpxchg.h
1606 +++ b/arch/arm/include/asm/cmpxchg.h
1607 @@ -104,6 +104,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
1608
1609 #define xchg(ptr,x) \
1610 ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
1611 +#define xchg_unchecked(ptr,x) \
1612 + ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
1613
1614 #include <asm-generic/cmpxchg-local.h>
1615
1616 diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
1617 index 6ddbe44..b5e38b1 100644
1618 --- a/arch/arm/include/asm/domain.h
1619 +++ b/arch/arm/include/asm/domain.h
1620 @@ -48,18 +48,37 @@
1621 * Domain types
1622 */
1623 #define DOMAIN_NOACCESS 0
1624 -#define DOMAIN_CLIENT 1
1625 #ifdef CONFIG_CPU_USE_DOMAINS
1626 +#define DOMAIN_USERCLIENT 1
1627 +#define DOMAIN_KERNELCLIENT 1
1628 #define DOMAIN_MANAGER 3
1629 +#define DOMAIN_VECTORS DOMAIN_USER
1630 #else
1631 +
1632 +#ifdef CONFIG_PAX_KERNEXEC
1633 #define DOMAIN_MANAGER 1
1634 +#define DOMAIN_KERNEXEC 3
1635 +#else
1636 +#define DOMAIN_MANAGER 1
1637 +#endif
1638 +
1639 +#ifdef CONFIG_PAX_MEMORY_UDEREF
1640 +#define DOMAIN_USERCLIENT 0
1641 +#define DOMAIN_UDEREF 1
1642 +#define DOMAIN_VECTORS DOMAIN_KERNEL
1643 +#else
1644 +#define DOMAIN_USERCLIENT 1
1645 +#define DOMAIN_VECTORS DOMAIN_USER
1646 +#endif
1647 +#define DOMAIN_KERNELCLIENT 1
1648 +
1649 #endif
1650
1651 #define domain_val(dom,type) ((type) << (2*(dom)))
1652
1653 #ifndef __ASSEMBLY__
1654
1655 -#ifdef CONFIG_CPU_USE_DOMAINS
1656 +#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
1657 static inline void set_domain(unsigned val)
1658 {
1659 asm volatile(
1660 @@ -68,15 +87,7 @@ static inline void set_domain(unsigned val)
1661 isb();
1662 }
1663
1664 -#define modify_domain(dom,type) \
1665 - do { \
1666 - struct thread_info *thread = current_thread_info(); \
1667 - unsigned int domain = thread->cpu_domain; \
1668 - domain &= ~domain_val(dom, DOMAIN_MANAGER); \
1669 - thread->cpu_domain = domain | domain_val(dom, type); \
1670 - set_domain(thread->cpu_domain); \
1671 - } while (0)
1672 -
1673 +extern void modify_domain(unsigned int dom, unsigned int type);
1674 #else
1675 static inline void set_domain(unsigned val) { }
1676 static inline void modify_domain(unsigned dom, unsigned type) { }
1677 diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
1678 index afb9caf..9a0bac0 100644
1679 --- a/arch/arm/include/asm/elf.h
1680 +++ b/arch/arm/include/asm/elf.h
1681 @@ -115,7 +115,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
1682 the loader. We need to make sure that it is out of the way of the program
1683 that it will "exec", and that there is sufficient room for the brk. */
1684
1685 -#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
1686 +#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
1687 +
1688 +#ifdef CONFIG_PAX_ASLR
1689 +#define PAX_ELF_ET_DYN_BASE 0x00008000UL
1690 +
1691 +#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
1692 +#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10)
1693 +#endif
1694
1695 /* When the program starts, a1 contains a pointer to a function to be
1696 registered with atexit, as per the SVR4 ABI. A value of 0 means we
1697 @@ -125,10 +132,6 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
1698 extern void elf_set_personality(const struct elf32_hdr *);
1699 #define SET_PERSONALITY(ex) elf_set_personality(&(ex))
1700
1701 -struct mm_struct;
1702 -extern unsigned long arch_randomize_brk(struct mm_struct *mm);
1703 -#define arch_randomize_brk arch_randomize_brk
1704 -
1705 #ifdef CONFIG_MMU
1706 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
1707 struct linux_binprm;
1708 diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h
1709 index de53547..52b9a28 100644
1710 --- a/arch/arm/include/asm/fncpy.h
1711 +++ b/arch/arm/include/asm/fncpy.h
1712 @@ -81,7 +81,9 @@
1713 BUG_ON((uintptr_t)(dest_buf) & (FNCPY_ALIGN - 1) || \
1714 (__funcp_address & ~(uintptr_t)1 & (FNCPY_ALIGN - 1))); \
1715 \
1716 + pax_open_kernel(); \
1717 memcpy(dest_buf, (void const *)(__funcp_address & ~1), size); \
1718 + pax_close_kernel(); \
1719 flush_icache_range((unsigned long)(dest_buf), \
1720 (unsigned long)(dest_buf) + (size)); \
1721 \
1722 diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
1723 index 53e69da..3fdc896 100644
1724 --- a/arch/arm/include/asm/futex.h
1725 +++ b/arch/arm/include/asm/futex.h
1726 @@ -46,6 +46,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
1727 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
1728 return -EFAULT;
1729
1730 + pax_open_userland();
1731 +
1732 smp_mb();
1733 /* Prefetching cannot fault */
1734 prefetchw(uaddr);
1735 @@ -63,6 +65,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
1736 : "cc", "memory");
1737 smp_mb();
1738
1739 + pax_close_userland();
1740 +
1741 *uval = val;
1742 return ret;
1743 }
1744 @@ -93,6 +97,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
1745 if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
1746 return -EFAULT;
1747
1748 + pax_open_userland();
1749 +
1750 __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n"
1751 "1: " TUSER(ldr) " %1, [%4]\n"
1752 " teq %1, %2\n"
1753 @@ -103,6 +109,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
1754 : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT)
1755 : "cc", "memory");
1756
1757 + pax_close_userland();
1758 +
1759 *uval = val;
1760 return ret;
1761 }
1762 @@ -125,6 +133,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
1763 return -EFAULT;
1764
1765 pagefault_disable(); /* implies preempt_disable() */
1766 + pax_open_userland();
1767
1768 switch (op) {
1769 case FUTEX_OP_SET:
1770 @@ -146,6 +155,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
1771 ret = -ENOSYS;
1772 }
1773
1774 + pax_close_userland();
1775 pagefault_enable(); /* subsumes preempt_enable() */
1776
1777 if (!ret) {
1778 diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
1779 index 83eb2f7..ed77159 100644
1780 --- a/arch/arm/include/asm/kmap_types.h
1781 +++ b/arch/arm/include/asm/kmap_types.h
1782 @@ -4,6 +4,6 @@
1783 /*
1784 * This is the "bare minimum". AIO seems to require this.
1785 */
1786 -#define KM_TYPE_NR 16
1787 +#define KM_TYPE_NR 17
1788
1789 #endif
1790 diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h
1791 index 9e614a1..3302cca 100644
1792 --- a/arch/arm/include/asm/mach/dma.h
1793 +++ b/arch/arm/include/asm/mach/dma.h
1794 @@ -22,7 +22,7 @@ struct dma_ops {
1795 int (*residue)(unsigned int, dma_t *); /* optional */
1796 int (*setspeed)(unsigned int, dma_t *, int); /* optional */
1797 const char *type;
1798 -};
1799 +} __do_const;
1800
1801 struct dma_struct {
1802 void *addr; /* single DMA address */
1803 diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
1804 index f98c7f3..e5c626d 100644
1805 --- a/arch/arm/include/asm/mach/map.h
1806 +++ b/arch/arm/include/asm/mach/map.h
1807 @@ -23,17 +23,19 @@ struct map_desc {
1808
1809 /* types 0-3 are defined in asm/io.h */
1810 enum {
1811 - MT_UNCACHED = 4,
1812 - MT_CACHECLEAN,
1813 - MT_MINICLEAN,
1814 + MT_UNCACHED_RW = 4,
1815 + MT_CACHECLEAN_RO,
1816 + MT_MINICLEAN_RO,
1817 MT_LOW_VECTORS,
1818 MT_HIGH_VECTORS,
1819 - MT_MEMORY_RWX,
1820 + __MT_MEMORY_RWX,
1821 MT_MEMORY_RW,
1822 - MT_ROM,
1823 - MT_MEMORY_RWX_NONCACHED,
1824 + MT_MEMORY_RX,
1825 + MT_ROM_RX,
1826 + MT_MEMORY_RW_NONCACHED,
1827 + MT_MEMORY_RX_NONCACHED,
1828 MT_MEMORY_RW_DTCM,
1829 - MT_MEMORY_RWX_ITCM,
1830 + MT_MEMORY_RX_ITCM,
1831 MT_MEMORY_RW_SO,
1832 MT_MEMORY_DMA_READY,
1833 };
1834 diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
1835 index 891a56b..48f337e 100644
1836 --- a/arch/arm/include/asm/outercache.h
1837 +++ b/arch/arm/include/asm/outercache.h
1838 @@ -36,7 +36,7 @@ struct outer_cache_fns {
1839
1840 /* This is an ARM L2C thing */
1841 void (*write_sec)(unsigned long, unsigned);
1842 -};
1843 +} __no_const;
1844
1845 extern struct outer_cache_fns outer_cache;
1846
1847 diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
1848 index 4355f0e..cd9168e 100644
1849 --- a/arch/arm/include/asm/page.h
1850 +++ b/arch/arm/include/asm/page.h
1851 @@ -23,6 +23,7 @@
1852
1853 #else
1854
1855 +#include <linux/compiler.h>
1856 #include <asm/glue.h>
1857
1858 /*
1859 @@ -114,7 +115,7 @@ struct cpu_user_fns {
1860 void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
1861 void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
1862 unsigned long vaddr, struct vm_area_struct *vma);
1863 -};
1864 +} __no_const;
1865
1866 #ifdef MULTI_USER
1867 extern struct cpu_user_fns cpu_user;
1868 diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
1869 index 78a7793..e3dc06c 100644
1870 --- a/arch/arm/include/asm/pgalloc.h
1871 +++ b/arch/arm/include/asm/pgalloc.h
1872 @@ -17,6 +17,7 @@
1873 #include <asm/processor.h>
1874 #include <asm/cacheflush.h>
1875 #include <asm/tlbflush.h>
1876 +#include <asm/system_info.h>
1877
1878 #define check_pgt_cache() do { } while (0)
1879
1880 @@ -43,6 +44,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
1881 set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE));
1882 }
1883
1884 +static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
1885 +{
1886 + pud_populate(mm, pud, pmd);
1887 +}
1888 +
1889 #else /* !CONFIG_ARM_LPAE */
1890
1891 /*
1892 @@ -51,6 +57,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
1893 #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); })
1894 #define pmd_free(mm, pmd) do { } while (0)
1895 #define pud_populate(mm,pmd,pte) BUG()
1896 +#define pud_populate_kernel(mm,pmd,pte) BUG()
1897
1898 #endif /* CONFIG_ARM_LPAE */
1899
1900 @@ -128,6 +135,19 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
1901 __free_page(pte);
1902 }
1903
1904 +static inline void __section_update(pmd_t *pmdp, unsigned long addr, pmdval_t prot)
1905 +{
1906 +#ifdef CONFIG_ARM_LPAE
1907 + pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot);
1908 +#else
1909 + if (addr & SECTION_SIZE)
1910 + pmdp[1] = __pmd(pmd_val(pmdp[1]) | prot);
1911 + else
1912 + pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot);
1913 +#endif
1914 + flush_pmd_entry(pmdp);
1915 +}
1916 +
1917 static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte,
1918 pmdval_t prot)
1919 {
1920 @@ -157,7 +177,7 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep)
1921 static inline void
1922 pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep)
1923 {
1924 - __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE);
1925 + __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE | __supported_pmd_mask);
1926 }
1927 #define pmd_pgtable(pmd) pmd_page(pmd)
1928
1929 diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h
1930 index 5cfba15..f415e1a 100644
1931 --- a/arch/arm/include/asm/pgtable-2level-hwdef.h
1932 +++ b/arch/arm/include/asm/pgtable-2level-hwdef.h
1933 @@ -20,12 +20,15 @@
1934 #define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0)
1935 #define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0)
1936 #define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0)
1937 +#define PMD_PXNTABLE (_AT(pmdval_t, 1) << 2) /* v7 */
1938 #define PMD_BIT4 (_AT(pmdval_t, 1) << 4)
1939 #define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5)
1940 #define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */
1941 +
1942 /*
1943 * - section
1944 */
1945 +#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */
1946 #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2)
1947 #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3)
1948 #define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */
1949 @@ -37,6 +40,7 @@
1950 #define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */
1951 #define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */
1952 #define PMD_SECT_AF (_AT(pmdval_t, 0))
1953 +#define PMD_SECT_RDONLY (_AT(pmdval_t, 0))
1954
1955 #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0))
1956 #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE)
1957 @@ -66,6 +70,7 @@
1958 * - extended small page/tiny page
1959 */
1960 #define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */
1961 +#define PTE_EXT_PXN (_AT(pteval_t, 1) << 2) /* v7 */
1962 #define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4)
1963 #define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4)
1964 #define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4)
1965 diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
1966 index f027941..f36ce30 100644
1967 --- a/arch/arm/include/asm/pgtable-2level.h
1968 +++ b/arch/arm/include/asm/pgtable-2level.h
1969 @@ -126,6 +126,9 @@
1970 #define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */
1971 #define L_PTE_NONE (_AT(pteval_t, 1) << 11)
1972
1973 +/* Two-level page tables only have PXN in the PGD, not in the PTE. */
1974 +#define L_PTE_PXN (_AT(pteval_t, 0))
1975 +
1976 /*
1977 * These are the memory types, defined to be compatible with
1978 * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB
1979 diff --git a/arch/arm/include/asm/pgtable-3level-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h
1980 index 9fd61c7..f8f1cff 100644
1981 --- a/arch/arm/include/asm/pgtable-3level-hwdef.h
1982 +++ b/arch/arm/include/asm/pgtable-3level-hwdef.h
1983 @@ -76,6 +76,7 @@
1984 #define PTE_EXT_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */
1985 #define PTE_EXT_AF (_AT(pteval_t, 1) << 10) /* Access Flag */
1986 #define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* nG */
1987 +#define PTE_EXT_PXN (_AT(pteval_t, 1) << 53) /* PXN */
1988 #define PTE_EXT_XN (_AT(pteval_t, 1) << 54) /* XN */
1989
1990 /*
1991 diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
1992 index a31ecdad..95e98d4 100644
1993 --- a/arch/arm/include/asm/pgtable-3level.h
1994 +++ b/arch/arm/include/asm/pgtable-3level.h
1995 @@ -81,6 +81,7 @@
1996 #define L_PTE_USER (_AT(pteval_t, 1) << 6) /* AP[1] */
1997 #define L_PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */
1998 #define L_PTE_YOUNG (_AT(pteval_t, 1) << 10) /* AF */
1999 +#define L_PTE_PXN (_AT(pteval_t, 1) << 53) /* PXN */
2000 #define L_PTE_XN (_AT(pteval_t, 1) << 54) /* XN */
2001 #define L_PTE_DIRTY (_AT(pteval_t, 1) << 55)
2002 #define L_PTE_SPECIAL (_AT(pteval_t, 1) << 56)
2003 @@ -92,10 +93,12 @@
2004 #define L_PMD_SECT_SPLITTING (_AT(pmdval_t, 1) << 56)
2005 #define L_PMD_SECT_NONE (_AT(pmdval_t, 1) << 57)
2006 #define L_PMD_SECT_RDONLY (_AT(pteval_t, 1) << 58)
2007 +#define PMD_SECT_RDONLY PMD_SECT_AP2
2008
2009 /*
2010 * To be used in assembly code with the upper page attributes.
2011 */
2012 +#define L_PTE_PXN_HIGH (1 << (53 - 32))
2013 #define L_PTE_XN_HIGH (1 << (54 - 32))
2014 #define L_PTE_DIRTY_HIGH (1 << (55 - 32))
2015
2016 diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
2017 index 3b30062..01a5f9d 100644
2018 --- a/arch/arm/include/asm/pgtable.h
2019 +++ b/arch/arm/include/asm/pgtable.h
2020 @@ -33,6 +33,9 @@
2021 #include <asm/pgtable-2level.h>
2022 #endif
2023
2024 +#define ktla_ktva(addr) (addr)
2025 +#define ktva_ktla(addr) (addr)
2026 +
2027 /*
2028 * Just any arbitrary offset to the start of the vmalloc VM area: the
2029 * current 8MB value just means that there will be a 8MB "hole" after the
2030 @@ -48,6 +51,9 @@
2031 #define LIBRARY_TEXT_START 0x0c000000
2032
2033 #ifndef __ASSEMBLY__
2034 +extern pteval_t __supported_pte_mask;
2035 +extern pmdval_t __supported_pmd_mask;
2036 +
2037 extern void __pte_error(const char *file, int line, pte_t);
2038 extern void __pmd_error(const char *file, int line, pmd_t);
2039 extern void __pgd_error(const char *file, int line, pgd_t);
2040 @@ -56,6 +62,48 @@ extern void __pgd_error(const char *file, int line, pgd_t);
2041 #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd)
2042 #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd)
2043
2044 +#define __HAVE_ARCH_PAX_OPEN_KERNEL
2045 +#define __HAVE_ARCH_PAX_CLOSE_KERNEL
2046 +
2047 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2048 +#include <asm/domain.h>
2049 +#include <linux/thread_info.h>
2050 +#include <linux/preempt.h>
2051 +
2052 +static inline int test_domain(int domain, int domaintype)
2053 +{
2054 + return ((current_thread_info()->cpu_domain) & domain_val(domain, 3)) == domain_val(domain, domaintype);
2055 +}
2056 +#endif
2057 +
2058 +#ifdef CONFIG_PAX_KERNEXEC
2059 +static inline unsigned long pax_open_kernel(void) {
2060 +#ifdef CONFIG_ARM_LPAE
2061 + /* TODO */
2062 +#else
2063 + preempt_disable();
2064 + BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC));
2065 + modify_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC);
2066 +#endif
2067 + return 0;
2068 +}
2069 +
2070 +static inline unsigned long pax_close_kernel(void) {
2071 +#ifdef CONFIG_ARM_LPAE
2072 + /* TODO */
2073 +#else
2074 + BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_MANAGER));
2075 + /* DOMAIN_MANAGER = "client" under KERNEXEC */
2076 + modify_domain(DOMAIN_KERNEL, DOMAIN_MANAGER);
2077 + preempt_enable_no_resched();
2078 +#endif
2079 + return 0;
2080 +}
2081 +#else
2082 +static inline unsigned long pax_open_kernel(void) { return 0; }
2083 +static inline unsigned long pax_close_kernel(void) { return 0; }
2084 +#endif
2085 +
2086 /*
2087 * This is the lowest virtual address we can permit any user space
2088 * mapping to be mapped at. This is particularly important for
2089 @@ -75,8 +123,8 @@ extern void __pgd_error(const char *file, int line, pgd_t);
2090 /*
2091 * The pgprot_* and protection_map entries will be fixed up in runtime
2092 * to include the cachable and bufferable bits based on memory policy,
2093 - * as well as any architecture dependent bits like global/ASID and SMP
2094 - * shared mapping bits.
2095 + * as well as any architecture dependent bits like global/ASID, PXN,
2096 + * and SMP shared mapping bits.
2097 */
2098 #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG
2099
2100 @@ -267,7 +315,7 @@ PTE_BIT_FUNC(mknexec, |= L_PTE_XN);
2101 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
2102 {
2103 const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER |
2104 - L_PTE_NONE | L_PTE_VALID;
2105 + L_PTE_NONE | L_PTE_VALID | __supported_pte_mask;
2106 pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
2107 return pte;
2108 }
2109 diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
2110 index c25ef3e..735f14b 100644
2111 --- a/arch/arm/include/asm/psci.h
2112 +++ b/arch/arm/include/asm/psci.h
2113 @@ -32,7 +32,7 @@ struct psci_operations {
2114 int (*affinity_info)(unsigned long target_affinity,
2115 unsigned long lowest_affinity_level);
2116 int (*migrate_info_type)(void);
2117 -};
2118 +} __no_const;
2119
2120 extern struct psci_operations psci_ops;
2121 extern struct smp_operations psci_smp_ops;
2122 diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
2123 index 18f5a55..5072a40 100644
2124 --- a/arch/arm/include/asm/smp.h
2125 +++ b/arch/arm/include/asm/smp.h
2126 @@ -107,7 +107,7 @@ struct smp_operations {
2127 int (*cpu_disable)(unsigned int cpu);
2128 #endif
2129 #endif
2130 -};
2131 +} __no_const;
2132
2133 struct of_cpu_method {
2134 const char *method;
2135 diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
2136 index ce73ab6..7310f8a 100644
2137 --- a/arch/arm/include/asm/thread_info.h
2138 +++ b/arch/arm/include/asm/thread_info.h
2139 @@ -78,9 +78,9 @@ struct thread_info {
2140 .flags = 0, \
2141 .preempt_count = INIT_PREEMPT_COUNT, \
2142 .addr_limit = KERNEL_DS, \
2143 - .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
2144 - domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
2145 - domain_val(DOMAIN_IO, DOMAIN_CLIENT), \
2146 + .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \
2147 + domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT) | \
2148 + domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT), \
2149 .restart_block = { \
2150 .fn = do_no_restart_syscall, \
2151 }, \
2152 @@ -154,7 +154,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
2153 #define TIF_SYSCALL_AUDIT 9
2154 #define TIF_SYSCALL_TRACEPOINT 10
2155 #define TIF_SECCOMP 11 /* seccomp syscall filtering active */
2156 -#define TIF_NOHZ 12 /* in adaptive nohz mode */
2157 +/* within 8 bits of TIF_SYSCALL_TRACE
2158 + * to meet flexible second operand requirements
2159 + */
2160 +#define TIF_GRSEC_SETXID 12
2161 +#define TIF_NOHZ 13 /* in adaptive nohz mode */
2162 #define TIF_USING_IWMMXT 17
2163 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */
2164 #define TIF_RESTORE_SIGMASK 20
2165 @@ -168,10 +172,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
2166 #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
2167 #define _TIF_SECCOMP (1 << TIF_SECCOMP)
2168 #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT)
2169 +#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
2170
2171 /* Checks for any syscall work in entry-common.S */
2172 #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
2173 - _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP)
2174 + _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | _TIF_GRSEC_SETXID)
2175
2176 /*
2177 * Change these and you break ASM code in entry-common.S
2178 diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h
2179 index 5f833f7..76e6644 100644
2180 --- a/arch/arm/include/asm/tls.h
2181 +++ b/arch/arm/include/asm/tls.h
2182 @@ -3,6 +3,7 @@
2183
2184 #include <linux/compiler.h>
2185 #include <asm/thread_info.h>
2186 +#include <asm/pgtable.h>
2187
2188 #ifdef __ASSEMBLY__
2189 #include <asm/asm-offsets.h>
2190 @@ -89,7 +90,9 @@ static inline void set_tls(unsigned long val)
2191 * at 0xffff0fe0 must be used instead. (see
2192 * entry-armv.S for details)
2193 */
2194 + pax_open_kernel();
2195 *((unsigned int *)0xffff0ff0) = val;
2196 + pax_close_kernel();
2197 #endif
2198 }
2199
2200 diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
2201 index 4767eb9..bf00668 100644
2202 --- a/arch/arm/include/asm/uaccess.h
2203 +++ b/arch/arm/include/asm/uaccess.h
2204 @@ -18,6 +18,7 @@
2205 #include <asm/domain.h>
2206 #include <asm/unified.h>
2207 #include <asm/compiler.h>
2208 +#include <asm/pgtable.h>
2209
2210 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
2211 #include <asm-generic/uaccess-unaligned.h>
2212 @@ -70,11 +71,38 @@ extern int __put_user_bad(void);
2213 static inline void set_fs(mm_segment_t fs)
2214 {
2215 current_thread_info()->addr_limit = fs;
2216 - modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER);
2217 + modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_KERNELCLIENT : DOMAIN_MANAGER);
2218 }
2219
2220 #define segment_eq(a,b) ((a) == (b))
2221
2222 +#define __HAVE_ARCH_PAX_OPEN_USERLAND
2223 +#define __HAVE_ARCH_PAX_CLOSE_USERLAND
2224 +
2225 +static inline void pax_open_userland(void)
2226 +{
2227 +
2228 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2229 + if (segment_eq(get_fs(), USER_DS)) {
2230 + BUG_ON(test_domain(DOMAIN_USER, DOMAIN_UDEREF));
2231 + modify_domain(DOMAIN_USER, DOMAIN_UDEREF);
2232 + }
2233 +#endif
2234 +
2235 +}
2236 +
2237 +static inline void pax_close_userland(void)
2238 +{
2239 +
2240 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2241 + if (segment_eq(get_fs(), USER_DS)) {
2242 + BUG_ON(test_domain(DOMAIN_USER, DOMAIN_NOACCESS));
2243 + modify_domain(DOMAIN_USER, DOMAIN_NOACCESS);
2244 + }
2245 +#endif
2246 +
2247 +}
2248 +
2249 #define __addr_ok(addr) ({ \
2250 unsigned long flag; \
2251 __asm__("cmp %2, %0; movlo %0, #0" \
2252 @@ -198,8 +226,12 @@ extern int __get_user_64t_4(void *);
2253
2254 #define get_user(x,p) \
2255 ({ \
2256 + int __e; \
2257 might_fault(); \
2258 - __get_user_check(x,p); \
2259 + pax_open_userland(); \
2260 + __e = __get_user_check(x,p); \
2261 + pax_close_userland(); \
2262 + __e; \
2263 })
2264
2265 extern int __put_user_1(void *, unsigned int);
2266 @@ -244,8 +276,12 @@ extern int __put_user_8(void *, unsigned long long);
2267
2268 #define put_user(x,p) \
2269 ({ \
2270 + int __e; \
2271 might_fault(); \
2272 - __put_user_check(x,p); \
2273 + pax_open_userland(); \
2274 + __e = __put_user_check(x,p); \
2275 + pax_close_userland(); \
2276 + __e; \
2277 })
2278
2279 #else /* CONFIG_MMU */
2280 @@ -269,6 +305,7 @@ static inline void set_fs(mm_segment_t fs)
2281
2282 #endif /* CONFIG_MMU */
2283
2284 +#define access_ok_noprefault(type,addr,size) access_ok((type),(addr),(size))
2285 #define access_ok(type,addr,size) (__range_ok(addr,size) == 0)
2286
2287 #define user_addr_max() \
2288 @@ -286,13 +323,17 @@ static inline void set_fs(mm_segment_t fs)
2289 #define __get_user(x,ptr) \
2290 ({ \
2291 long __gu_err = 0; \
2292 + pax_open_userland(); \
2293 __get_user_err((x),(ptr),__gu_err); \
2294 + pax_close_userland(); \
2295 __gu_err; \
2296 })
2297
2298 #define __get_user_error(x,ptr,err) \
2299 ({ \
2300 + pax_open_userland(); \
2301 __get_user_err((x),(ptr),err); \
2302 + pax_close_userland(); \
2303 (void) 0; \
2304 })
2305
2306 @@ -368,13 +409,17 @@ do { \
2307 #define __put_user(x,ptr) \
2308 ({ \
2309 long __pu_err = 0; \
2310 + pax_open_userland(); \
2311 __put_user_err((x),(ptr),__pu_err); \
2312 + pax_close_userland(); \
2313 __pu_err; \
2314 })
2315
2316 #define __put_user_error(x,ptr,err) \
2317 ({ \
2318 + pax_open_userland(); \
2319 __put_user_err((x),(ptr),err); \
2320 + pax_close_userland(); \
2321 (void) 0; \
2322 })
2323
2324 @@ -474,11 +519,44 @@ do { \
2325
2326
2327 #ifdef CONFIG_MMU
2328 -extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n);
2329 -extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n);
2330 +extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n);
2331 +extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n);
2332 +
2333 +static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n)
2334 +{
2335 + unsigned long ret;
2336 +
2337 + check_object_size(to, n, false);
2338 + pax_open_userland();
2339 + ret = ___copy_from_user(to, from, n);
2340 + pax_close_userland();
2341 + return ret;
2342 +}
2343 +
2344 +static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n)
2345 +{
2346 + unsigned long ret;
2347 +
2348 + check_object_size(from, n, true);
2349 + pax_open_userland();
2350 + ret = ___copy_to_user(to, from, n);
2351 + pax_close_userland();
2352 + return ret;
2353 +}
2354 +
2355 extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n);
2356 -extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
2357 +extern unsigned long __must_check ___clear_user(void __user *addr, unsigned long n);
2358 extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n);
2359 +
2360 +static inline unsigned long __must_check __clear_user(void __user *addr, unsigned long n)
2361 +{
2362 + unsigned long ret;
2363 + pax_open_userland();
2364 + ret = ___clear_user(addr, n);
2365 + pax_close_userland();
2366 + return ret;
2367 +}
2368 +
2369 #else
2370 #define __copy_from_user(to,from,n) (memcpy(to, (void __force *)from, n), 0)
2371 #define __copy_to_user(to,from,n) (memcpy((void __force *)to, from, n), 0)
2372 @@ -487,6 +565,9 @@ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned l
2373
2374 static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
2375 {
2376 + if ((long)n < 0)
2377 + return n;
2378 +
2379 if (access_ok(VERIFY_READ, from, n))
2380 n = __copy_from_user(to, from, n);
2381 else /* security hole - plug it */
2382 @@ -496,6 +577,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u
2383
2384 static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
2385 {
2386 + if ((long)n < 0)
2387 + return n;
2388 +
2389 if (access_ok(VERIFY_WRITE, to, n))
2390 n = __copy_to_user(to, from, n);
2391 return n;
2392 diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h
2393 index 5af0ed1..cea83883 100644
2394 --- a/arch/arm/include/uapi/asm/ptrace.h
2395 +++ b/arch/arm/include/uapi/asm/ptrace.h
2396 @@ -92,7 +92,7 @@
2397 * ARMv7 groups of PSR bits
2398 */
2399 #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */
2400 -#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */
2401 +#define PSR_ISET_MASK 0x01000020 /* ISA state (J, T) mask */
2402 #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */
2403 #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */
2404
2405 diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
2406 index a88671c..1cc895e 100644
2407 --- a/arch/arm/kernel/armksyms.c
2408 +++ b/arch/arm/kernel/armksyms.c
2409 @@ -55,7 +55,7 @@ EXPORT_SYMBOL(arm_delay_ops);
2410
2411 /* networking */
2412 EXPORT_SYMBOL(csum_partial);
2413 -EXPORT_SYMBOL(csum_partial_copy_from_user);
2414 +EXPORT_SYMBOL(__csum_partial_copy_from_user);
2415 EXPORT_SYMBOL(csum_partial_copy_nocheck);
2416 EXPORT_SYMBOL(__csum_ipv6_magic);
2417
2418 @@ -91,9 +91,9 @@ EXPORT_SYMBOL(__memzero);
2419 #ifdef CONFIG_MMU
2420 EXPORT_SYMBOL(copy_page);
2421
2422 -EXPORT_SYMBOL(__copy_from_user);
2423 -EXPORT_SYMBOL(__copy_to_user);
2424 -EXPORT_SYMBOL(__clear_user);
2425 +EXPORT_SYMBOL(___copy_from_user);
2426 +EXPORT_SYMBOL(___copy_to_user);
2427 +EXPORT_SYMBOL(___clear_user);
2428
2429 EXPORT_SYMBOL(__get_user_1);
2430 EXPORT_SYMBOL(__get_user_2);
2431 diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
2432 index 2f5555d..d493c91 100644
2433 --- a/arch/arm/kernel/entry-armv.S
2434 +++ b/arch/arm/kernel/entry-armv.S
2435 @@ -47,6 +47,87 @@
2436 9997:
2437 .endm
2438
2439 + .macro pax_enter_kernel
2440 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2441 + @ make aligned space for saved DACR
2442 + sub sp, sp, #8
2443 + @ save regs
2444 + stmdb sp!, {r1, r2}
2445 + @ read DACR from cpu_domain into r1
2446 + mov r2, sp
2447 + @ assume 8K pages, since we have to split the immediate in two
2448 + bic r2, r2, #(0x1fc0)
2449 + bic r2, r2, #(0x3f)
2450 + ldr r1, [r2, #TI_CPU_DOMAIN]
2451 + @ store old DACR on stack
2452 + str r1, [sp, #8]
2453 +#ifdef CONFIG_PAX_KERNEXEC
2454 + @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT
2455 + bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3))
2456 + orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT))
2457 +#endif
2458 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2459 + @ set current DOMAIN_USER to DOMAIN_NOACCESS
2460 + bic r1, r1, #(domain_val(DOMAIN_USER, 3))
2461 +#endif
2462 + @ write r1 to current_thread_info()->cpu_domain
2463 + str r1, [r2, #TI_CPU_DOMAIN]
2464 + @ write r1 to DACR
2465 + mcr p15, 0, r1, c3, c0, 0
2466 + @ instruction sync
2467 + instr_sync
2468 + @ restore regs
2469 + ldmia sp!, {r1, r2}
2470 +#endif
2471 + .endm
2472 +
2473 + .macro pax_open_userland
2474 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2475 + @ save regs
2476 + stmdb sp!, {r0, r1}
2477 + @ read DACR from cpu_domain into r1
2478 + mov r0, sp
2479 + @ assume 8K pages, since we have to split the immediate in two
2480 + bic r0, r0, #(0x1fc0)
2481 + bic r0, r0, #(0x3f)
2482 + ldr r1, [r0, #TI_CPU_DOMAIN]
2483 + @ set current DOMAIN_USER to DOMAIN_CLIENT
2484 + bic r1, r1, #(domain_val(DOMAIN_USER, 3))
2485 + orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF))
2486 + @ write r1 to current_thread_info()->cpu_domain
2487 + str r1, [r0, #TI_CPU_DOMAIN]
2488 + @ write r1 to DACR
2489 + mcr p15, 0, r1, c3, c0, 0
2490 + @ instruction sync
2491 + instr_sync
2492 + @ restore regs
2493 + ldmia sp!, {r0, r1}
2494 +#endif
2495 + .endm
2496 +
2497 + .macro pax_close_userland
2498 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2499 + @ save regs
2500 + stmdb sp!, {r0, r1}
2501 + @ read DACR from cpu_domain into r1
2502 + mov r0, sp
2503 + @ assume 8K pages, since we have to split the immediate in two
2504 + bic r0, r0, #(0x1fc0)
2505 + bic r0, r0, #(0x3f)
2506 + ldr r1, [r0, #TI_CPU_DOMAIN]
2507 + @ set current DOMAIN_USER to DOMAIN_NOACCESS
2508 + bic r1, r1, #(domain_val(DOMAIN_USER, 3))
2509 + @ write r1 to current_thread_info()->cpu_domain
2510 + str r1, [r0, #TI_CPU_DOMAIN]
2511 + @ write r1 to DACR
2512 + mcr p15, 0, r1, c3, c0, 0
2513 + @ instruction sync
2514 + instr_sync
2515 + @ restore regs
2516 + ldmia sp!, {r0, r1}
2517 +#endif
2518 + .endm
2519 +
2520 .macro pabt_helper
2521 @ PABORT handler takes pt_regs in r2, fault address in r4 and psr in r5
2522 #ifdef MULTI_PABORT
2523 @@ -89,11 +170,15 @@
2524 * Invalid mode handlers
2525 */
2526 .macro inv_entry, reason
2527 +
2528 + pax_enter_kernel
2529 +
2530 sub sp, sp, #S_FRAME_SIZE
2531 ARM( stmib sp, {r1 - lr} )
2532 THUMB( stmia sp, {r0 - r12} )
2533 THUMB( str sp, [sp, #S_SP] )
2534 THUMB( str lr, [sp, #S_LR] )
2535 +
2536 mov r1, #\reason
2537 .endm
2538
2539 @@ -149,7 +234,11 @@ ENDPROC(__und_invalid)
2540 .macro svc_entry, stack_hole=0, trace=1
2541 UNWIND(.fnstart )
2542 UNWIND(.save {r0 - pc} )
2543 +
2544 + pax_enter_kernel
2545 +
2546 sub sp, sp, #(S_FRAME_SIZE + \stack_hole - 4)
2547 +
2548 #ifdef CONFIG_THUMB2_KERNEL
2549 SPFIX( str r0, [sp] ) @ temporarily saved
2550 SPFIX( mov r0, sp )
2551 @@ -164,7 +253,12 @@ ENDPROC(__und_invalid)
2552 ldmia r0, {r3 - r5}
2553 add r7, sp, #S_SP - 4 @ here for interlock avoidance
2554 mov r6, #-1 @ "" "" "" ""
2555 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2556 + @ offset sp by 8 as done in pax_enter_kernel
2557 + add r2, sp, #(S_FRAME_SIZE + \stack_hole + 4)
2558 +#else
2559 add r2, sp, #(S_FRAME_SIZE + \stack_hole - 4)
2560 +#endif
2561 SPFIX( addeq r2, r2, #4 )
2562 str r3, [sp, #-4]! @ save the "real" r0 copied
2563 @ from the exception stack
2564 @@ -368,6 +462,9 @@ ENDPROC(__fiq_abt)
2565 .macro usr_entry, trace=1
2566 UNWIND(.fnstart )
2567 UNWIND(.cantunwind ) @ don't unwind the user space
2568 +
2569 + pax_enter_kernel_user
2570 +
2571 sub sp, sp, #S_FRAME_SIZE
2572 ARM( stmib sp, {r1 - r12} )
2573 THUMB( stmia sp, {r0 - r12} )
2574 @@ -478,7 +575,9 @@ __und_usr:
2575 tst r3, #PSR_T_BIT @ Thumb mode?
2576 bne __und_usr_thumb
2577 sub r4, r2, #4 @ ARM instr at LR - 4
2578 + pax_open_userland
2579 1: ldrt r0, [r4]
2580 + pax_close_userland
2581 ARM_BE8(rev r0, r0) @ little endian instruction
2582
2583 @ r0 = 32-bit ARM instruction which caused the exception
2584 @@ -512,11 +611,15 @@ __und_usr_thumb:
2585 */
2586 .arch armv6t2
2587 #endif
2588 + pax_open_userland
2589 2: ldrht r5, [r4]
2590 + pax_close_userland
2591 ARM_BE8(rev16 r5, r5) @ little endian instruction
2592 cmp r5, #0xe800 @ 32bit instruction if xx != 0
2593 blo __und_usr_fault_16 @ 16bit undefined instruction
2594 + pax_open_userland
2595 3: ldrht r0, [r2]
2596 + pax_close_userland
2597 ARM_BE8(rev16 r0, r0) @ little endian instruction
2598 add r2, r2, #2 @ r2 is PC + 2, make it PC + 4
2599 str r2, [sp, #S_PC] @ it's a 2x16bit instr, update
2600 @@ -546,7 +649,8 @@ ENDPROC(__und_usr)
2601 */
2602 .pushsection .fixup, "ax"
2603 .align 2
2604 -4: str r4, [sp, #S_PC] @ retry current instruction
2605 +4: pax_close_userland
2606 + str r4, [sp, #S_PC] @ retry current instruction
2607 ret r9
2608 .popsection
2609 .pushsection __ex_table,"a"
2610 @@ -766,7 +870,7 @@ ENTRY(__switch_to)
2611 THUMB( str lr, [ip], #4 )
2612 ldr r4, [r2, #TI_TP_VALUE]
2613 ldr r5, [r2, #TI_TP_VALUE + 4]
2614 -#ifdef CONFIG_CPU_USE_DOMAINS
2615 +#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2616 ldr r6, [r2, #TI_CPU_DOMAIN]
2617 #endif
2618 switch_tls r1, r4, r5, r3, r7
2619 @@ -775,7 +879,7 @@ ENTRY(__switch_to)
2620 ldr r8, =__stack_chk_guard
2621 ldr r7, [r7, #TSK_STACK_CANARY]
2622 #endif
2623 -#ifdef CONFIG_CPU_USE_DOMAINS
2624 +#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2625 mcr p15, 0, r6, c3, c0, 0 @ Set domain register
2626 #endif
2627 mov r5, r0
2628 diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
2629 index 6bb09d4..113e875 100644
2630 --- a/arch/arm/kernel/entry-common.S
2631 +++ b/arch/arm/kernel/entry-common.S
2632 @@ -11,18 +11,46 @@
2633 #include <asm/assembler.h>
2634 #include <asm/unistd.h>
2635 #include <asm/ftrace.h>
2636 +#include <asm/domain.h>
2637 #include <asm/unwind.h>
2638
2639 +#include "entry-header.S"
2640 +
2641 #ifdef CONFIG_NEED_RET_TO_USER
2642 #include <mach/entry-macro.S>
2643 #else
2644 .macro arch_ret_to_user, tmp1, tmp2
2645 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2646 + @ save regs
2647 + stmdb sp!, {r1, r2}
2648 + @ read DACR from cpu_domain into r1
2649 + mov r2, sp
2650 + @ assume 8K pages, since we have to split the immediate in two
2651 + bic r2, r2, #(0x1fc0)
2652 + bic r2, r2, #(0x3f)
2653 + ldr r1, [r2, #TI_CPU_DOMAIN]
2654 +#ifdef CONFIG_PAX_KERNEXEC
2655 + @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT
2656 + bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3))
2657 + orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT))
2658 +#endif
2659 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2660 + @ set current DOMAIN_USER to DOMAIN_UDEREF
2661 + bic r1, r1, #(domain_val(DOMAIN_USER, 3))
2662 + orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF))
2663 +#endif
2664 + @ write r1 to current_thread_info()->cpu_domain
2665 + str r1, [r2, #TI_CPU_DOMAIN]
2666 + @ write r1 to DACR
2667 + mcr p15, 0, r1, c3, c0, 0
2668 + @ instruction sync
2669 + instr_sync
2670 + @ restore regs
2671 + ldmia sp!, {r1, r2}
2672 +#endif
2673 .endm
2674 #endif
2675
2676 -#include "entry-header.S"
2677 -
2678 -
2679 .align 5
2680 /*
2681 * This is the fast syscall return path. We do as little as
2682 @@ -406,6 +434,12 @@ ENTRY(vector_swi)
2683 USER( ldr scno, [lr, #-4] ) @ get SWI instruction
2684 #endif
2685
2686 + /*
2687 + * do this here to avoid a performance hit of wrapping the code above
2688 + * that directly dereferences userland to parse the SWI instruction
2689 + */
2690 + pax_enter_kernel_user
2691 +
2692 adr tbl, sys_call_table @ load syscall table pointer
2693
2694 #if defined(CONFIG_OABI_COMPAT)
2695 diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
2696 index 4176df7..a901f8d 100644
2697 --- a/arch/arm/kernel/entry-header.S
2698 +++ b/arch/arm/kernel/entry-header.S
2699 @@ -196,6 +196,60 @@
2700 msr cpsr_c, \rtemp @ switch back to the SVC mode
2701 .endm
2702
2703 + .macro pax_enter_kernel_user
2704 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2705 + @ save regs
2706 + stmdb sp!, {r0, r1}
2707 + @ read DACR from cpu_domain into r1
2708 + mov r0, sp
2709 + @ assume 8K pages, since we have to split the immediate in two
2710 + bic r0, r0, #(0x1fc0)
2711 + bic r0, r0, #(0x3f)
2712 + ldr r1, [r0, #TI_CPU_DOMAIN]
2713 +#ifdef CONFIG_PAX_MEMORY_UDEREF
2714 + @ set current DOMAIN_USER to DOMAIN_NOACCESS
2715 + bic r1, r1, #(domain_val(DOMAIN_USER, 3))
2716 +#endif
2717 +#ifdef CONFIG_PAX_KERNEXEC
2718 + @ set current DOMAIN_KERNEL to DOMAIN_KERNELCLIENT
2719 + bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3))
2720 + orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT))
2721 +#endif
2722 + @ write r1 to current_thread_info()->cpu_domain
2723 + str r1, [r0, #TI_CPU_DOMAIN]
2724 + @ write r1 to DACR
2725 + mcr p15, 0, r1, c3, c0, 0
2726 + @ instruction sync
2727 + instr_sync
2728 + @ restore regs
2729 + ldmia sp!, {r0, r1}
2730 +#endif
2731 + .endm
2732 +
2733 + .macro pax_exit_kernel
2734 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
2735 + @ save regs
2736 + stmdb sp!, {r0, r1}
2737 + @ read old DACR from stack into r1
2738 + ldr r1, [sp, #(8 + S_SP)]
2739 + sub r1, r1, #8
2740 + ldr r1, [r1]
2741 +
2742 + @ write r1 to current_thread_info()->cpu_domain
2743 + mov r0, sp
2744 + @ assume 8K pages, since we have to split the immediate in two
2745 + bic r0, r0, #(0x1fc0)
2746 + bic r0, r0, #(0x3f)
2747 + str r1, [r0, #TI_CPU_DOMAIN]
2748 + @ write r1 to DACR
2749 + mcr p15, 0, r1, c3, c0, 0
2750 + @ instruction sync
2751 + instr_sync
2752 + @ restore regs
2753 + ldmia sp!, {r0, r1}
2754 +#endif
2755 + .endm
2756 +
2757 #ifndef CONFIG_THUMB2_KERNEL
2758 .macro svc_exit, rpsr, irq = 0
2759 .if \irq != 0
2760 @@ -215,6 +269,9 @@
2761 blne trace_hardirqs_off
2762 #endif
2763 .endif
2764 +
2765 + pax_exit_kernel
2766 +
2767 msr spsr_cxsf, \rpsr
2768 #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K)
2769 @ We must avoid clrex due to Cortex-A15 erratum #830321
2770 @@ -290,6 +347,9 @@
2771 blne trace_hardirqs_off
2772 #endif
2773 .endif
2774 +
2775 + pax_exit_kernel
2776 +
2777 ldr lr, [sp, #S_SP] @ top of the stack
2778 ldrd r0, r1, [sp, #S_LR] @ calling lr and pc
2779
2780 diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
2781 index b37752a..ff5cb72 100644
2782 --- a/arch/arm/kernel/fiq.c
2783 +++ b/arch/arm/kernel/fiq.c
2784 @@ -95,7 +95,10 @@ void set_fiq_handler(void *start, unsigned int length)
2785 void *base = vectors_page;
2786 unsigned offset = FIQ_OFFSET;
2787
2788 + pax_open_kernel();
2789 memcpy(base + offset, start, length);
2790 + pax_close_kernel();
2791 +
2792 if (!cache_is_vipt_nonaliasing())
2793 flush_icache_range((unsigned long)base + offset, offset +
2794 length);
2795 diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
2796 index 664eee8..f470938 100644
2797 --- a/arch/arm/kernel/head.S
2798 +++ b/arch/arm/kernel/head.S
2799 @@ -437,7 +437,7 @@ __enable_mmu:
2800 mov r5, #(domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
2801 domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
2802 domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \
2803 - domain_val(DOMAIN_IO, DOMAIN_CLIENT))
2804 + domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT))
2805 mcr p15, 0, r5, c3, c0, 0 @ load domain access register
2806 mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
2807 #endif
2808 diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
2809 index 6a4dffe..4a86a70 100644
2810 --- a/arch/arm/kernel/module.c
2811 +++ b/arch/arm/kernel/module.c
2812 @@ -38,12 +38,39 @@
2813 #endif
2814
2815 #ifdef CONFIG_MMU
2816 -void *module_alloc(unsigned long size)
2817 +static inline void *__module_alloc(unsigned long size, pgprot_t prot)
2818 {
2819 + if (!size || PAGE_ALIGN(size) > MODULES_END - MODULES_VADDR)
2820 + return NULL;
2821 return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
2822 - GFP_KERNEL, PAGE_KERNEL_EXEC, NUMA_NO_NODE,
2823 + GFP_KERNEL, prot, NUMA_NO_NODE,
2824 __builtin_return_address(0));
2825 }
2826 +
2827 +void *module_alloc(unsigned long size)
2828 +{
2829 +
2830 +#ifdef CONFIG_PAX_KERNEXEC
2831 + return __module_alloc(size, PAGE_KERNEL);
2832 +#else
2833 + return __module_alloc(size, PAGE_KERNEL_EXEC);
2834 +#endif
2835 +
2836 +}
2837 +
2838 +#ifdef CONFIG_PAX_KERNEXEC
2839 +void module_free_exec(struct module *mod, void *module_region)
2840 +{
2841 + module_free(mod, module_region);
2842 +}
2843 +EXPORT_SYMBOL(module_free_exec);
2844 +
2845 +void *module_alloc_exec(unsigned long size)
2846 +{
2847 + return __module_alloc(size, PAGE_KERNEL_EXEC);
2848 +}
2849 +EXPORT_SYMBOL(module_alloc_exec);
2850 +#endif
2851 #endif
2852
2853 int
2854 diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c
2855 index 07314af..c46655c 100644
2856 --- a/arch/arm/kernel/patch.c
2857 +++ b/arch/arm/kernel/patch.c
2858 @@ -18,6 +18,7 @@ void __kprobes __patch_text(void *addr, unsigned int insn)
2859 bool thumb2 = IS_ENABLED(CONFIG_THUMB2_KERNEL);
2860 int size;
2861
2862 + pax_open_kernel();
2863 if (thumb2 && __opcode_is_thumb16(insn)) {
2864 *(u16 *)addr = __opcode_to_mem_thumb16(insn);
2865 size = sizeof(u16);
2866 @@ -39,6 +40,7 @@ void __kprobes __patch_text(void *addr, unsigned int insn)
2867 *(u32 *)addr = insn;
2868 size = sizeof(u32);
2869 }
2870 + pax_close_kernel();
2871
2872 flush_icache_range((uintptr_t)(addr),
2873 (uintptr_t)(addr) + size);
2874 diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
2875 index fe972a2..a772d83 100644
2876 --- a/arch/arm/kernel/process.c
2877 +++ b/arch/arm/kernel/process.c
2878 @@ -207,6 +207,7 @@ void machine_power_off(void)
2879
2880 if (pm_power_off)
2881 pm_power_off();
2882 + BUG();
2883 }
2884
2885 /*
2886 @@ -220,7 +221,7 @@ void machine_power_off(void)
2887 * executing pre-reset code, and using RAM that the primary CPU's code wishes
2888 * to use. Implementing such co-ordination would be essentially impossible.
2889 */
2890 -void machine_restart(char *cmd)
2891 +__noreturn void machine_restart(char *cmd)
2892 {
2893 local_irq_disable();
2894 smp_send_stop();
2895 @@ -246,8 +247,8 @@ void __show_regs(struct pt_regs *regs)
2896
2897 show_regs_print_info(KERN_DEFAULT);
2898
2899 - print_symbol("PC is at %s\n", instruction_pointer(regs));
2900 - print_symbol("LR is at %s\n", regs->ARM_lr);
2901 + printk("PC is at %pA\n", (void *)instruction_pointer(regs));
2902 + printk("LR is at %pA\n", (void *)regs->ARM_lr);
2903 printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n"
2904 "sp : %08lx ip : %08lx fp : %08lx\n",
2905 regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr,
2906 @@ -424,12 +425,6 @@ unsigned long get_wchan(struct task_struct *p)
2907 return 0;
2908 }
2909
2910 -unsigned long arch_randomize_brk(struct mm_struct *mm)
2911 -{
2912 - unsigned long range_end = mm->brk + 0x02000000;
2913 - return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
2914 -}
2915 -
2916 #ifdef CONFIG_MMU
2917 #ifdef CONFIG_KUSER_HELPERS
2918 /*
2919 @@ -445,7 +440,7 @@ static struct vm_area_struct gate_vma = {
2920
2921 static int __init gate_vma_init(void)
2922 {
2923 - gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
2924 + gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
2925 return 0;
2926 }
2927 arch_initcall(gate_vma_init);
2928 @@ -474,81 +469,13 @@ const char *arch_vma_name(struct vm_area_struct *vma)
2929 return is_gate_vma(vma) ? "[vectors]" : NULL;
2930 }
2931
2932 -/* If possible, provide a placement hint at a random offset from the
2933 - * stack for the signal page.
2934 - */
2935 -static unsigned long sigpage_addr(const struct mm_struct *mm,
2936 - unsigned int npages)
2937 -{
2938 - unsigned long offset;
2939 - unsigned long first;
2940 - unsigned long last;
2941 - unsigned long addr;
2942 - unsigned int slots;
2943 -
2944 - first = PAGE_ALIGN(mm->start_stack);
2945 -
2946 - last = TASK_SIZE - (npages << PAGE_SHIFT);
2947 -
2948 - /* No room after stack? */
2949 - if (first > last)
2950 - return 0;
2951 -
2952 - /* Just enough room? */
2953 - if (first == last)
2954 - return first;
2955 -
2956 - slots = ((last - first) >> PAGE_SHIFT) + 1;
2957 -
2958 - offset = get_random_int() % slots;
2959 -
2960 - addr = first + (offset << PAGE_SHIFT);
2961 -
2962 - return addr;
2963 -}
2964 -
2965 -static struct page *signal_page;
2966 -extern struct page *get_signal_page(void);
2967 -
2968 -static const struct vm_special_mapping sigpage_mapping = {
2969 - .name = "[sigpage]",
2970 - .pages = &signal_page,
2971 -};
2972 -
2973 int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
2974 {
2975 struct mm_struct *mm = current->mm;
2976 - struct vm_area_struct *vma;
2977 - unsigned long addr;
2978 - unsigned long hint;
2979 - int ret = 0;
2980 -
2981 - if (!signal_page)
2982 - signal_page = get_signal_page();
2983 - if (!signal_page)
2984 - return -ENOMEM;
2985
2986 down_write(&mm->mmap_sem);
2987 - hint = sigpage_addr(mm, 1);
2988 - addr = get_unmapped_area(NULL, hint, PAGE_SIZE, 0, 0);
2989 - if (IS_ERR_VALUE(addr)) {
2990 - ret = addr;
2991 - goto up_fail;
2992 - }
2993 -
2994 - vma = _install_special_mapping(mm, addr, PAGE_SIZE,
2995 - VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC,
2996 - &sigpage_mapping);
2997 -
2998 - if (IS_ERR(vma)) {
2999 - ret = PTR_ERR(vma);
3000 - goto up_fail;
3001 - }
3002 -
3003 - mm->context.sigpage = addr;
3004 -
3005 - up_fail:
3006 + mm->context.sigpage = (PAGE_OFFSET + (get_random_int() % 0x3FFEFFE0)) & 0xFFFFFFFC;
3007 up_write(&mm->mmap_sem);
3008 - return ret;
3009 + return 0;
3010 }
3011 #endif
3012 diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c
3013 index f73891b..cf3004e 100644
3014 --- a/arch/arm/kernel/psci.c
3015 +++ b/arch/arm/kernel/psci.c
3016 @@ -28,7 +28,7 @@
3017 #include <asm/psci.h>
3018 #include <asm/system_misc.h>
3019
3020 -struct psci_operations psci_ops;
3021 +struct psci_operations psci_ops __read_only;
3022
3023 static int (*invoke_psci_fn)(u32, u32, u32, u32);
3024 typedef int (*psci_initcall_t)(const struct device_node *);
3025 diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
3026 index ef9119f..31995a3 100644
3027 --- a/arch/arm/kernel/ptrace.c
3028 +++ b/arch/arm/kernel/ptrace.c
3029 @@ -928,10 +928,19 @@ static void tracehook_report_syscall(struct pt_regs *regs,
3030 regs->ARM_ip = ip;
3031 }
3032
3033 +#ifdef CONFIG_GRKERNSEC_SETXID
3034 +extern void gr_delayed_cred_worker(void);
3035 +#endif
3036 +
3037 asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno)
3038 {
3039 current_thread_info()->syscall = scno;
3040
3041 +#ifdef CONFIG_GRKERNSEC_SETXID
3042 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
3043 + gr_delayed_cred_worker();
3044 +#endif
3045 +
3046 /* Do the secure computing check first; failures should be fast. */
3047 #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER
3048 if (secure_computing() == -1)
3049 diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
3050 index 306e1ac..1b477ed 100644
3051 --- a/arch/arm/kernel/setup.c
3052 +++ b/arch/arm/kernel/setup.c
3053 @@ -104,21 +104,23 @@ EXPORT_SYMBOL(elf_hwcap);
3054 unsigned int elf_hwcap2 __read_mostly;
3055 EXPORT_SYMBOL(elf_hwcap2);
3056
3057 +pteval_t __supported_pte_mask __read_only;
3058 +pmdval_t __supported_pmd_mask __read_only;
3059
3060 #ifdef MULTI_CPU
3061 -struct processor processor __read_mostly;
3062 +struct processor processor __read_only;
3063 #endif
3064 #ifdef MULTI_TLB
3065 -struct cpu_tlb_fns cpu_tlb __read_mostly;
3066 +struct cpu_tlb_fns cpu_tlb __read_only;
3067 #endif
3068 #ifdef MULTI_USER
3069 -struct cpu_user_fns cpu_user __read_mostly;
3070 +struct cpu_user_fns cpu_user __read_only;
3071 #endif
3072 #ifdef MULTI_CACHE
3073 -struct cpu_cache_fns cpu_cache __read_mostly;
3074 +struct cpu_cache_fns cpu_cache __read_only;
3075 #endif
3076 #ifdef CONFIG_OUTER_CACHE
3077 -struct outer_cache_fns outer_cache __read_mostly;
3078 +struct outer_cache_fns outer_cache __read_only;
3079 EXPORT_SYMBOL(outer_cache);
3080 #endif
3081
3082 @@ -252,9 +254,13 @@ static int __get_cpu_architecture(void)
3083 asm("mrc p15, 0, %0, c0, c1, 4"
3084 : "=r" (mmfr0));
3085 if ((mmfr0 & 0x0000000f) >= 0x00000003 ||
3086 - (mmfr0 & 0x000000f0) >= 0x00000030)
3087 + (mmfr0 & 0x000000f0) >= 0x00000030) {
3088 cpu_arch = CPU_ARCH_ARMv7;
3089 - else if ((mmfr0 & 0x0000000f) == 0x00000002 ||
3090 + if ((mmfr0 & 0x0000000f) == 0x00000005 || (mmfr0 & 0x0000000f) == 0x00000004) {
3091 + __supported_pte_mask |= L_PTE_PXN;
3092 + __supported_pmd_mask |= PMD_PXNTABLE;
3093 + }
3094 + } else if ((mmfr0 & 0x0000000f) == 0x00000002 ||
3095 (mmfr0 & 0x000000f0) == 0x00000020)
3096 cpu_arch = CPU_ARCH_ARMv6;
3097 else
3098 diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
3099 index bd19834..e4d8c66 100644
3100 --- a/arch/arm/kernel/signal.c
3101 +++ b/arch/arm/kernel/signal.c
3102 @@ -24,8 +24,6 @@
3103
3104 extern const unsigned long sigreturn_codes[7];
3105
3106 -static unsigned long signal_return_offset;
3107 -
3108 #ifdef CONFIG_CRUNCH
3109 static int preserve_crunch_context(struct crunch_sigframe __user *frame)
3110 {
3111 @@ -396,8 +394,7 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig,
3112 * except when the MPU has protected the vectors
3113 * page from PL0
3114 */
3115 - retcode = mm->context.sigpage + signal_return_offset +
3116 - (idx << 2) + thumb;
3117 + retcode = mm->context.sigpage + (idx << 2) + thumb;
3118 } else
3119 #endif
3120 {
3121 @@ -604,33 +601,3 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
3122 } while (thread_flags & _TIF_WORK_MASK);
3123 return 0;
3124 }
3125 -
3126 -struct page *get_signal_page(void)
3127 -{
3128 - unsigned long ptr;
3129 - unsigned offset;
3130 - struct page *page;
3131 - void *addr;
3132 -
3133 - page = alloc_pages(GFP_KERNEL, 0);
3134 -
3135 - if (!page)
3136 - return NULL;
3137 -
3138 - addr = page_address(page);
3139 -
3140 - /* Give the signal return code some randomness */
3141 - offset = 0x200 + (get_random_int() & 0x7fc);
3142 - signal_return_offset = offset;
3143 -
3144 - /*
3145 - * Copy signal return handlers into the vector page, and
3146 - * set sigreturn to be a pointer to these.
3147 - */
3148 - memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes));
3149 -
3150 - ptr = (unsigned long)addr + offset;
3151 - flush_icache_range(ptr, ptr + sizeof(sigreturn_codes));
3152 -
3153 - return page;
3154 -}
3155 diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
3156 index a8e32aa..b2f7198 100644
3157 --- a/arch/arm/kernel/smp.c
3158 +++ b/arch/arm/kernel/smp.c
3159 @@ -76,7 +76,7 @@ enum ipi_msg_type {
3160
3161 static DECLARE_COMPLETION(cpu_running);
3162
3163 -static struct smp_operations smp_ops;
3164 +static struct smp_operations smp_ops __read_only;
3165
3166 void __init smp_set_ops(struct smp_operations *ops)
3167 {
3168 diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c
3169 index 7a3be1d..b00c7de 100644
3170 --- a/arch/arm/kernel/tcm.c
3171 +++ b/arch/arm/kernel/tcm.c
3172 @@ -61,7 +61,7 @@ static struct map_desc itcm_iomap[] __initdata = {
3173 .virtual = ITCM_OFFSET,
3174 .pfn = __phys_to_pfn(ITCM_OFFSET),
3175 .length = 0,
3176 - .type = MT_MEMORY_RWX_ITCM,
3177 + .type = MT_MEMORY_RX_ITCM,
3178 }
3179 };
3180
3181 @@ -267,7 +267,9 @@ no_dtcm:
3182 start = &__sitcm_text;
3183 end = &__eitcm_text;
3184 ram = &__itcm_start;
3185 + pax_open_kernel();
3186 memcpy(start, ram, itcm_code_sz);
3187 + pax_close_kernel();
3188 pr_debug("CPU ITCM: copied code from %p - %p\n",
3189 start, end);
3190 itcm_present = true;
3191 diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
3192 index 9f5d818..e013427 100644
3193 --- a/arch/arm/kernel/traps.c
3194 +++ b/arch/arm/kernel/traps.c
3195 @@ -65,7 +65,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
3196 void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
3197 {
3198 #ifdef CONFIG_KALLSYMS
3199 - printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
3200 + printk("[<%08lx>] (%pA) from [<%08lx>] (%pA)\n", where, (void *)where, from, (void *)from);
3201 #else
3202 printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
3203 #endif
3204 @@ -267,6 +267,8 @@ static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED;
3205 static int die_owner = -1;
3206 static unsigned int die_nest_count;
3207
3208 +extern void gr_handle_kernel_exploit(void);
3209 +
3210 static unsigned long oops_begin(void)
3211 {
3212 int cpu;
3213 @@ -309,6 +311,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
3214 panic("Fatal exception in interrupt");
3215 if (panic_on_oops)
3216 panic("Fatal exception");
3217 +
3218 + gr_handle_kernel_exploit();
3219 +
3220 if (signr)
3221 do_exit(signr);
3222 }
3223 @@ -880,7 +885,11 @@ void __init early_trap_init(void *vectors_base)
3224 kuser_init(vectors_base);
3225
3226 flush_icache_range(vectors, vectors + PAGE_SIZE * 2);
3227 - modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
3228 +
3229 +#ifndef CONFIG_PAX_MEMORY_UDEREF
3230 + modify_domain(DOMAIN_USER, DOMAIN_USERCLIENT);
3231 +#endif
3232 +
3233 #else /* ifndef CONFIG_CPU_V7M */
3234 /*
3235 * on V7-M there is no need to copy the vector table to a dedicated
3236 diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
3237 index 8e95aa4..595dfc8 100644
3238 --- a/arch/arm/kernel/vmlinux.lds.S
3239 +++ b/arch/arm/kernel/vmlinux.lds.S
3240 @@ -8,7 +8,11 @@
3241 #include <asm/thread_info.h>
3242 #include <asm/memory.h>
3243 #include <asm/page.h>
3244 -
3245 +
3246 +#ifdef CONFIG_PAX_KERNEXEC
3247 +#include <asm/pgtable.h>
3248 +#endif
3249 +
3250 #define PROC_INFO \
3251 . = ALIGN(4); \
3252 VMLINUX_SYMBOL(__proc_info_begin) = .; \
3253 @@ -34,7 +38,7 @@
3254 #endif
3255
3256 #if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
3257 - defined(CONFIG_GENERIC_BUG)
3258 + defined(CONFIG_GENERIC_BUG) || defined(CONFIG_PAX_REFCOUNT)
3259 #define ARM_EXIT_KEEP(x) x
3260 #define ARM_EXIT_DISCARD(x)
3261 #else
3262 @@ -90,6 +94,11 @@ SECTIONS
3263 _text = .;
3264 HEAD_TEXT
3265 }
3266 +
3267 +#ifdef CONFIG_PAX_KERNEXEC
3268 + . = ALIGN(1<<SECTION_SHIFT);
3269 +#endif
3270 +
3271 .text : { /* Real text segment */
3272 _stext = .; /* Text and read-only data */
3273 __exception_text_start = .;
3274 @@ -112,6 +121,8 @@ SECTIONS
3275 ARM_CPU_KEEP(PROC_INFO)
3276 }
3277
3278 + _etext = .; /* End of text section */
3279 +
3280 RO_DATA(PAGE_SIZE)
3281
3282 . = ALIGN(4);
3283 @@ -142,7 +153,9 @@ SECTIONS
3284
3285 NOTES
3286
3287 - _etext = .; /* End of text and rodata section */
3288 +#ifdef CONFIG_PAX_KERNEXEC
3289 + . = ALIGN(1<<SECTION_SHIFT);
3290 +#endif
3291
3292 #ifndef CONFIG_XIP_KERNEL
3293 . = ALIGN(PAGE_SIZE);
3294 @@ -221,6 +234,11 @@ SECTIONS
3295 #else
3296 . = ALIGN(THREAD_SIZE);
3297 __init_end = .;
3298 +
3299 +#ifdef CONFIG_PAX_KERNEXEC
3300 + . = ALIGN(1<<SECTION_SHIFT);
3301 +#endif
3302 +
3303 __data_loc = .;
3304 #endif
3305
3306 diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
3307 index 9e193c8..3560fe6 100644
3308 --- a/arch/arm/kvm/arm.c
3309 +++ b/arch/arm/kvm/arm.c
3310 @@ -57,7 +57,7 @@ static unsigned long hyp_default_vectors;
3311 static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu);
3312
3313 /* The VMID used in the VTTBR */
3314 -static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1);
3315 +static atomic64_unchecked_t kvm_vmid_gen = ATOMIC64_INIT(1);
3316 static u8 kvm_next_vmid;
3317 static DEFINE_SPINLOCK(kvm_vmid_lock);
3318
3319 @@ -354,7 +354,7 @@ void force_vm_exit(const cpumask_t *mask)
3320 */
3321 static bool need_new_vmid_gen(struct kvm *kvm)
3322 {
3323 - return unlikely(kvm->arch.vmid_gen != atomic64_read(&kvm_vmid_gen));
3324 + return unlikely(kvm->arch.vmid_gen != atomic64_read_unchecked(&kvm_vmid_gen));
3325 }
3326
3327 /**
3328 @@ -387,7 +387,7 @@ static void update_vttbr(struct kvm *kvm)
3329
3330 /* First user of a new VMID generation? */
3331 if (unlikely(kvm_next_vmid == 0)) {
3332 - atomic64_inc(&kvm_vmid_gen);
3333 + atomic64_inc_unchecked(&kvm_vmid_gen);
3334 kvm_next_vmid = 1;
3335
3336 /*
3337 @@ -404,7 +404,7 @@ static void update_vttbr(struct kvm *kvm)
3338 kvm_call_hyp(__kvm_flush_vm_context);
3339 }
3340
3341 - kvm->arch.vmid_gen = atomic64_read(&kvm_vmid_gen);
3342 + kvm->arch.vmid_gen = atomic64_read_unchecked(&kvm_vmid_gen);
3343 kvm->arch.vmid = kvm_next_vmid;
3344 kvm_next_vmid++;
3345
3346 @@ -980,7 +980,7 @@ static void check_kvm_target_cpu(void *ret)
3347 /**
3348 * Initialize Hyp-mode and memory mappings on all CPUs.
3349 */
3350 -int kvm_arch_init(void *opaque)
3351 +int kvm_arch_init(const void *opaque)
3352 {
3353 int err;
3354 int ret, cpu;
3355 diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
3356 index 14a0d98..7771a7d 100644
3357 --- a/arch/arm/lib/clear_user.S
3358 +++ b/arch/arm/lib/clear_user.S
3359 @@ -12,14 +12,14 @@
3360
3361 .text
3362
3363 -/* Prototype: int __clear_user(void *addr, size_t sz)
3364 +/* Prototype: int ___clear_user(void *addr, size_t sz)
3365 * Purpose : clear some user memory
3366 * Params : addr - user memory address to clear
3367 * : sz - number of bytes to clear
3368 * Returns : number of bytes NOT cleared
3369 */
3370 ENTRY(__clear_user_std)
3371 -WEAK(__clear_user)
3372 +WEAK(___clear_user)
3373 stmfd sp!, {r1, lr}
3374 mov r2, #0
3375 cmp r1, #4
3376 @@ -44,7 +44,7 @@ WEAK(__clear_user)
3377 USER( strnebt r2, [r0])
3378 mov r0, #0
3379 ldmfd sp!, {r1, pc}
3380 -ENDPROC(__clear_user)
3381 +ENDPROC(___clear_user)
3382 ENDPROC(__clear_user_std)
3383
3384 .pushsection .fixup,"ax"
3385 diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
3386 index 66a477a..bee61d3 100644
3387 --- a/arch/arm/lib/copy_from_user.S
3388 +++ b/arch/arm/lib/copy_from_user.S
3389 @@ -16,7 +16,7 @@
3390 /*
3391 * Prototype:
3392 *
3393 - * size_t __copy_from_user(void *to, const void *from, size_t n)
3394 + * size_t ___copy_from_user(void *to, const void *from, size_t n)
3395 *
3396 * Purpose:
3397 *
3398 @@ -84,11 +84,11 @@
3399
3400 .text
3401
3402 -ENTRY(__copy_from_user)
3403 +ENTRY(___copy_from_user)
3404
3405 #include "copy_template.S"
3406
3407 -ENDPROC(__copy_from_user)
3408 +ENDPROC(___copy_from_user)
3409
3410 .pushsection .fixup,"ax"
3411 .align 0
3412 diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S
3413 index 6ee2f67..d1cce76 100644
3414 --- a/arch/arm/lib/copy_page.S
3415 +++ b/arch/arm/lib/copy_page.S
3416 @@ -10,6 +10,7 @@
3417 * ASM optimised string functions
3418 */
3419 #include <linux/linkage.h>
3420 +#include <linux/const.h>
3421 #include <asm/assembler.h>
3422 #include <asm/asm-offsets.h>
3423 #include <asm/cache.h>
3424 diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
3425 index d066df6..df28194 100644
3426 --- a/arch/arm/lib/copy_to_user.S
3427 +++ b/arch/arm/lib/copy_to_user.S
3428 @@ -16,7 +16,7 @@
3429 /*
3430 * Prototype:
3431 *
3432 - * size_t __copy_to_user(void *to, const void *from, size_t n)
3433 + * size_t ___copy_to_user(void *to, const void *from, size_t n)
3434 *
3435 * Purpose:
3436 *
3437 @@ -88,11 +88,11 @@
3438 .text
3439
3440 ENTRY(__copy_to_user_std)
3441 -WEAK(__copy_to_user)
3442 +WEAK(___copy_to_user)
3443
3444 #include "copy_template.S"
3445
3446 -ENDPROC(__copy_to_user)
3447 +ENDPROC(___copy_to_user)
3448 ENDPROC(__copy_to_user_std)
3449
3450 .pushsection .fixup,"ax"
3451 diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S
3452 index 7d08b43..f7ca7ea 100644
3453 --- a/arch/arm/lib/csumpartialcopyuser.S
3454 +++ b/arch/arm/lib/csumpartialcopyuser.S
3455 @@ -57,8 +57,8 @@
3456 * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT
3457 */
3458
3459 -#define FN_ENTRY ENTRY(csum_partial_copy_from_user)
3460 -#define FN_EXIT ENDPROC(csum_partial_copy_from_user)
3461 +#define FN_ENTRY ENTRY(__csum_partial_copy_from_user)
3462 +#define FN_EXIT ENDPROC(__csum_partial_copy_from_user)
3463
3464 #include "csumpartialcopygeneric.S"
3465
3466 diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
3467 index 312d43e..21d2322 100644
3468 --- a/arch/arm/lib/delay.c
3469 +++ b/arch/arm/lib/delay.c
3470 @@ -29,7 +29,7 @@
3471 /*
3472 * Default to the loop-based delay implementation.
3473 */
3474 -struct arm_delay_ops arm_delay_ops = {
3475 +struct arm_delay_ops arm_delay_ops __read_only = {
3476 .delay = __loop_delay,
3477 .const_udelay = __loop_const_udelay,
3478 .udelay = __loop_udelay,
3479 diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
3480 index 3e58d71..029817c 100644
3481 --- a/arch/arm/lib/uaccess_with_memcpy.c
3482 +++ b/arch/arm/lib/uaccess_with_memcpy.c
3483 @@ -136,7 +136,7 @@ out:
3484 }
3485
3486 unsigned long
3487 -__copy_to_user(void __user *to, const void *from, unsigned long n)
3488 +___copy_to_user(void __user *to, const void *from, unsigned long n)
3489 {
3490 /*
3491 * This test is stubbed out of the main function above to keep
3492 @@ -190,7 +190,7 @@ out:
3493 return n;
3494 }
3495
3496 -unsigned long __clear_user(void __user *addr, unsigned long n)
3497 +unsigned long ___clear_user(void __user *addr, unsigned long n)
3498 {
3499 /* See rational for this in __copy_to_user() above. */
3500 if (n < 64)
3501 diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
3502 index 9610792..4dfb851 100644
3503 --- a/arch/arm/mach-at91/setup.c
3504 +++ b/arch/arm/mach-at91/setup.c
3505 @@ -83,7 +83,7 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
3506
3507 desc->pfn = __phys_to_pfn(base);
3508 desc->length = length;
3509 - desc->type = MT_MEMORY_RWX_NONCACHED;
3510 + desc->type = MT_MEMORY_RW_NONCACHED;
3511
3512 pr_info("sram at 0x%lx of 0x%x mapped at 0x%lx\n",
3513 base, length, desc->virtual);
3514 diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
3515 index 7f352de..6dc0929 100644
3516 --- a/arch/arm/mach-keystone/keystone.c
3517 +++ b/arch/arm/mach-keystone/keystone.c
3518 @@ -27,7 +27,7 @@
3519
3520 #include "keystone.h"
3521
3522 -static struct notifier_block platform_nb;
3523 +static notifier_block_no_const platform_nb;
3524 static unsigned long keystone_dma_pfn_offset __read_mostly;
3525
3526 static int keystone_platform_notifier(struct notifier_block *nb,
3527 diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
3528 index 1163a3e..424adbf 100644
3529 --- a/arch/arm/mach-mvebu/coherency.c
3530 +++ b/arch/arm/mach-mvebu/coherency.c
3531 @@ -316,7 +316,7 @@ static void __init armada_370_coherency_init(struct device_node *np)
3532
3533 /*
3534 * This ioremap hook is used on Armada 375/38x to ensure that PCIe
3535 - * memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This
3536 + * memory areas are mapped as MT_UNCACHED_RW instead of MT_DEVICE. This
3537 * is needed as a workaround for a deadlock issue between the PCIe
3538 * interface and the cache controller.
3539 */
3540 @@ -329,7 +329,7 @@ armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
3541 mvebu_mbus_get_pcie_mem_aperture(&pcie_mem);
3542
3543 if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end)
3544 - mtype = MT_UNCACHED;
3545 + mtype = MT_UNCACHED_RW;
3546
3547 return __arm_ioremap_caller(phys_addr, size, mtype, caller);
3548 }
3549 diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
3550 index 97767a2..9233746 100644
3551 --- a/arch/arm/mach-omap2/board-n8x0.c
3552 +++ b/arch/arm/mach-omap2/board-n8x0.c
3553 @@ -569,7 +569,7 @@ static int n8x0_menelaus_late_init(struct device *dev)
3554 }
3555 #endif
3556
3557 -struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
3558 +struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = {
3559 .late_init = n8x0_menelaus_late_init,
3560 };
3561
3562 diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
3563 index 5fa3755..1e8c247 100644
3564 --- a/arch/arm/mach-omap2/gpmc.c
3565 +++ b/arch/arm/mach-omap2/gpmc.c
3566 @@ -151,7 +151,6 @@ struct omap3_gpmc_regs {
3567 };
3568
3569 static struct gpmc_client_irq gpmc_client_irq[GPMC_NR_IRQ];
3570 -static struct irq_chip gpmc_irq_chip;
3571 static int gpmc_irq_start;
3572
3573 static struct resource gpmc_mem_root;
3574 @@ -736,6 +735,18 @@ static void gpmc_irq_noop(struct irq_data *data) { }
3575
3576 static unsigned int gpmc_irq_noop_ret(struct irq_data *data) { return 0; }
3577
3578 +static struct irq_chip gpmc_irq_chip = {
3579 + .name = "gpmc",
3580 + .irq_startup = gpmc_irq_noop_ret,
3581 + .irq_enable = gpmc_irq_enable,
3582 + .irq_disable = gpmc_irq_disable,
3583 + .irq_shutdown = gpmc_irq_noop,
3584 + .irq_ack = gpmc_irq_noop,
3585 + .irq_mask = gpmc_irq_noop,
3586 + .irq_unmask = gpmc_irq_noop,
3587 +
3588 +};
3589 +
3590 static int gpmc_setup_irq(void)
3591 {
3592 int i;
3593 @@ -750,15 +761,6 @@ static int gpmc_setup_irq(void)
3594 return gpmc_irq_start;
3595 }
3596
3597 - gpmc_irq_chip.name = "gpmc";
3598 - gpmc_irq_chip.irq_startup = gpmc_irq_noop_ret;
3599 - gpmc_irq_chip.irq_enable = gpmc_irq_enable;
3600 - gpmc_irq_chip.irq_disable = gpmc_irq_disable;
3601 - gpmc_irq_chip.irq_shutdown = gpmc_irq_noop;
3602 - gpmc_irq_chip.irq_ack = gpmc_irq_noop;
3603 - gpmc_irq_chip.irq_mask = gpmc_irq_noop;
3604 - gpmc_irq_chip.irq_unmask = gpmc_irq_noop;
3605 -
3606 gpmc_client_irq[0].bitmask = GPMC_IRQ_FIFOEVENTENABLE;
3607 gpmc_client_irq[1].bitmask = GPMC_IRQ_COUNT_EVENT;
3608
3609 diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
3610 index 6944ae3..bc587ca 100644
3611 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
3612 +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
3613 @@ -86,7 +86,7 @@ struct cpu_pm_ops {
3614 void (*resume)(void);
3615 void (*scu_prepare)(unsigned int cpu_id, unsigned int cpu_state);
3616 void (*hotplug_restart)(void);
3617 -};
3618 +} __no_const;
3619
3620 static DEFINE_PER_CPU(struct omap4_cpu_pm_info, omap4_pm_info);
3621 static struct powerdomain *mpuss_pd;
3622 @@ -105,7 +105,7 @@ static void dummy_cpu_resume(void)
3623 static void dummy_scu_prepare(unsigned int cpu_id, unsigned int cpu_state)
3624 {}
3625
3626 -struct cpu_pm_ops omap_pm_ops = {
3627 +static struct cpu_pm_ops omap_pm_ops __read_only = {
3628 .finish_suspend = default_finish_suspend,
3629 .resume = dummy_cpu_resume,
3630 .scu_prepare = dummy_scu_prepare,
3631 diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
3632 index f961c46..4a453dc 100644
3633 --- a/arch/arm/mach-omap2/omap-wakeupgen.c
3634 +++ b/arch/arm/mach-omap2/omap-wakeupgen.c
3635 @@ -344,7 +344,7 @@ static int irq_cpu_hotplug_notify(struct notifier_block *self,
3636 return NOTIFY_OK;
3637 }
3638
3639 -static struct notifier_block __refdata irq_hotplug_notifier = {
3640 +static struct notifier_block irq_hotplug_notifier = {
3641 .notifier_call = irq_cpu_hotplug_notify,
3642 };
3643
3644 diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
3645 index 8c58b71..95b655f 100644
3646 --- a/arch/arm/mach-omap2/omap_device.c
3647 +++ b/arch/arm/mach-omap2/omap_device.c
3648 @@ -510,7 +510,7 @@ void omap_device_delete(struct omap_device *od)
3649 struct platform_device __init *omap_device_build(const char *pdev_name,
3650 int pdev_id,
3651 struct omap_hwmod *oh,
3652 - void *pdata, int pdata_len)
3653 + const void *pdata, int pdata_len)
3654 {
3655 struct omap_hwmod *ohs[] = { oh };
3656
3657 @@ -538,7 +538,7 @@ struct platform_device __init *omap_device_build(const char *pdev_name,
3658 struct platform_device __init *omap_device_build_ss(const char *pdev_name,
3659 int pdev_id,
3660 struct omap_hwmod **ohs,
3661 - int oh_cnt, void *pdata,
3662 + int oh_cnt, const void *pdata,
3663 int pdata_len)
3664 {
3665 int ret = -ENOMEM;
3666 diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h
3667 index 78c02b3..c94109a 100644
3668 --- a/arch/arm/mach-omap2/omap_device.h
3669 +++ b/arch/arm/mach-omap2/omap_device.h
3670 @@ -72,12 +72,12 @@ int omap_device_idle(struct platform_device *pdev);
3671 /* Core code interface */
3672
3673 struct platform_device *omap_device_build(const char *pdev_name, int pdev_id,
3674 - struct omap_hwmod *oh, void *pdata,
3675 + struct omap_hwmod *oh, const void *pdata,
3676 int pdata_len);
3677
3678 struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
3679 struct omap_hwmod **oh, int oh_cnt,
3680 - void *pdata, int pdata_len);
3681 + const void *pdata, int pdata_len);
3682
3683 struct omap_device *omap_device_alloc(struct platform_device *pdev,
3684 struct omap_hwmod **ohs, int oh_cnt);
3685 diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
3686 index 716247e..8df346d 100644
3687 --- a/arch/arm/mach-omap2/omap_hwmod.c
3688 +++ b/arch/arm/mach-omap2/omap_hwmod.c
3689 @@ -194,10 +194,10 @@ struct omap_hwmod_soc_ops {
3690 int (*init_clkdm)(struct omap_hwmod *oh);
3691 void (*update_context_lost)(struct omap_hwmod *oh);
3692 int (*get_context_lost)(struct omap_hwmod *oh);
3693 -};
3694 +} __no_const;
3695
3696 /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */
3697 -static struct omap_hwmod_soc_ops soc_ops;
3698 +static struct omap_hwmod_soc_ops soc_ops __read_only;
3699
3700 /* omap_hwmod_list contains all registered struct omap_hwmods */
3701 static LIST_HEAD(omap_hwmod_list);
3702 diff --git a/arch/arm/mach-omap2/powerdomains43xx_data.c b/arch/arm/mach-omap2/powerdomains43xx_data.c
3703 index 95fee54..cfa9cf1 100644
3704 --- a/arch/arm/mach-omap2/powerdomains43xx_data.c
3705 +++ b/arch/arm/mach-omap2/powerdomains43xx_data.c
3706 @@ -10,6 +10,7 @@
3707
3708 #include <linux/kernel.h>
3709 #include <linux/init.h>
3710 +#include <asm/pgtable.h>
3711
3712 #include "powerdomain.h"
3713
3714 @@ -129,7 +130,9 @@ static int am43xx_check_vcvp(void)
3715
3716 void __init am43xx_powerdomains_init(void)
3717 {
3718 - omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
3719 + pax_open_kernel();
3720 + *(void **)&omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
3721 + pax_close_kernel();
3722 pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
3723 pwrdm_register_pwrdms(powerdomains_am43xx);
3724 pwrdm_complete_init();
3725 diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c
3726 index ff0a68c..b312aa0 100644
3727 --- a/arch/arm/mach-omap2/wd_timer.c
3728 +++ b/arch/arm/mach-omap2/wd_timer.c
3729 @@ -110,7 +110,9 @@ static int __init omap_init_wdt(void)
3730 struct omap_hwmod *oh;
3731 char *oh_name = "wd_timer2";
3732 char *dev_name = "omap_wdt";
3733 - struct omap_wd_timer_platform_data pdata;
3734 + static struct omap_wd_timer_platform_data pdata = {
3735 + .read_reset_sources = prm_read_reset_sources
3736 + };
3737
3738 if (!cpu_class_is_omap2() || of_have_populated_dt())
3739 return 0;
3740 @@ -121,8 +123,6 @@ static int __init omap_init_wdt(void)
3741 return -EINVAL;
3742 }
3743
3744 - pdata.read_reset_sources = prm_read_reset_sources;
3745 -
3746 pdev = omap_device_build(dev_name, id, oh, &pdata,
3747 sizeof(struct omap_wd_timer_platform_data));
3748 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
3749 diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c
3750 index b30bf5c..d0825bf 100644
3751 --- a/arch/arm/mach-tegra/cpuidle-tegra20.c
3752 +++ b/arch/arm/mach-tegra/cpuidle-tegra20.c
3753 @@ -180,7 +180,7 @@ static int tegra20_idle_lp2_coupled(struct cpuidle_device *dev,
3754 bool entered_lp2 = false;
3755
3756 if (tegra_pending_sgi())
3757 - ACCESS_ONCE(abort_flag) = true;
3758 + ACCESS_ONCE_RW(abort_flag) = true;
3759
3760 cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
3761
3762 diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h
3763 index 2dea8b5..6499da2 100644
3764 --- a/arch/arm/mach-ux500/setup.h
3765 +++ b/arch/arm/mach-ux500/setup.h
3766 @@ -33,13 +33,6 @@ extern void ux500_timer_init(void);
3767 .type = MT_DEVICE, \
3768 }
3769
3770 -#define __MEM_DEV_DESC(x, sz) { \
3771 - .virtual = IO_ADDRESS(x), \
3772 - .pfn = __phys_to_pfn(x), \
3773 - .length = sz, \
3774 - .type = MT_MEMORY_RWX, \
3775 -}
3776 -
3777 extern struct smp_operations ux500_smp_ops;
3778 extern void ux500_cpu_die(unsigned int cpu);
3779
3780 diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
3781 index 7eb94e6..799ad3e 100644
3782 --- a/arch/arm/mm/Kconfig
3783 +++ b/arch/arm/mm/Kconfig
3784 @@ -446,6 +446,7 @@ config CPU_32v5
3785
3786 config CPU_32v6
3787 bool
3788 + select CPU_USE_DOMAINS if CPU_V6 && MMU && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF
3789 select TLS_REG_EMUL if !CPU_32v6K && !MMU
3790
3791 config CPU_32v6K
3792 @@ -600,6 +601,7 @@ config CPU_CP15_MPU
3793
3794 config CPU_USE_DOMAINS
3795 bool
3796 + depends on !ARM_LPAE && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF
3797 help
3798 This option enables or disables the use of domain switching
3799 via the set_fs() function.
3800 @@ -798,7 +800,7 @@ config NEED_KUSER_HELPERS
3801
3802 config KUSER_HELPERS
3803 bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS
3804 - depends on MMU
3805 + depends on MMU && (!(CPU_V6 || CPU_V6K || CPU_V7) || GRKERNSEC_OLD_ARM_USERLAND)
3806 default y
3807 help
3808 Warning: disabling this option may break user programs.
3809 @@ -812,7 +814,7 @@ config KUSER_HELPERS
3810 See Documentation/arm/kernel_user_helpers.txt for details.
3811
3812 However, the fixed address nature of these helpers can be used
3813 - by ROP (return orientated programming) authors when creating
3814 + by ROP (Return Oriented Programming) authors when creating
3815 exploits.
3816
3817 If all of the binaries and libraries which run on your platform
3818 diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
3819 index 83792f4..c25d36b 100644
3820 --- a/arch/arm/mm/alignment.c
3821 +++ b/arch/arm/mm/alignment.c
3822 @@ -216,10 +216,12 @@ union offset_union {
3823 #define __get16_unaligned_check(ins,val,addr) \
3824 do { \
3825 unsigned int err = 0, v, a = addr; \
3826 + pax_open_userland(); \
3827 __get8_unaligned_check(ins,v,a,err); \
3828 val = v << ((BE) ? 8 : 0); \
3829 __get8_unaligned_check(ins,v,a,err); \
3830 val |= v << ((BE) ? 0 : 8); \
3831 + pax_close_userland(); \
3832 if (err) \
3833 goto fault; \
3834 } while (0)
3835 @@ -233,6 +235,7 @@ union offset_union {
3836 #define __get32_unaligned_check(ins,val,addr) \
3837 do { \
3838 unsigned int err = 0, v, a = addr; \
3839 + pax_open_userland(); \
3840 __get8_unaligned_check(ins,v,a,err); \
3841 val = v << ((BE) ? 24 : 0); \
3842 __get8_unaligned_check(ins,v,a,err); \
3843 @@ -241,6 +244,7 @@ union offset_union {
3844 val |= v << ((BE) ? 8 : 16); \
3845 __get8_unaligned_check(ins,v,a,err); \
3846 val |= v << ((BE) ? 0 : 24); \
3847 + pax_close_userland(); \
3848 if (err) \
3849 goto fault; \
3850 } while (0)
3851 @@ -254,6 +258,7 @@ union offset_union {
3852 #define __put16_unaligned_check(ins,val,addr) \
3853 do { \
3854 unsigned int err = 0, v = val, a = addr; \
3855 + pax_open_userland(); \
3856 __asm__( FIRST_BYTE_16 \
3857 ARM( "1: "ins" %1, [%2], #1\n" ) \
3858 THUMB( "1: "ins" %1, [%2]\n" ) \
3859 @@ -273,6 +278,7 @@ union offset_union {
3860 " .popsection\n" \
3861 : "=r" (err), "=&r" (v), "=&r" (a) \
3862 : "0" (err), "1" (v), "2" (a)); \
3863 + pax_close_userland(); \
3864 if (err) \
3865 goto fault; \
3866 } while (0)
3867 @@ -286,6 +292,7 @@ union offset_union {
3868 #define __put32_unaligned_check(ins,val,addr) \
3869 do { \
3870 unsigned int err = 0, v = val, a = addr; \
3871 + pax_open_userland(); \
3872 __asm__( FIRST_BYTE_32 \
3873 ARM( "1: "ins" %1, [%2], #1\n" ) \
3874 THUMB( "1: "ins" %1, [%2]\n" ) \
3875 @@ -315,6 +322,7 @@ union offset_union {
3876 " .popsection\n" \
3877 : "=r" (err), "=&r" (v), "=&r" (a) \
3878 : "0" (err), "1" (v), "2" (a)); \
3879 + pax_close_userland(); \
3880 if (err) \
3881 goto fault; \
3882 } while (0)
3883 diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
3884 index 5e65ca8..879e7b3 100644
3885 --- a/arch/arm/mm/cache-l2x0.c
3886 +++ b/arch/arm/mm/cache-l2x0.c
3887 @@ -42,7 +42,7 @@ struct l2c_init_data {
3888 void (*fixup)(void __iomem *, u32, struct outer_cache_fns *);
3889 void (*save)(void __iomem *);
3890 struct outer_cache_fns outer_cache;
3891 -};
3892 +} __do_const;
3893
3894 #define CACHE_LINE_SIZE 32
3895
3896 diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
3897 index 6eb97b3..ac509f6 100644
3898 --- a/arch/arm/mm/context.c
3899 +++ b/arch/arm/mm/context.c
3900 @@ -43,7 +43,7 @@
3901 #define NUM_USER_ASIDS ASID_FIRST_VERSION
3902
3903 static DEFINE_RAW_SPINLOCK(cpu_asid_lock);
3904 -static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION);
3905 +static atomic64_unchecked_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION);
3906 static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS);
3907
3908 static DEFINE_PER_CPU(atomic64_t, active_asids);
3909 @@ -182,7 +182,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
3910 {
3911 static u32 cur_idx = 1;
3912 u64 asid = atomic64_read(&mm->context.id);
3913 - u64 generation = atomic64_read(&asid_generation);
3914 + u64 generation = atomic64_read_unchecked(&asid_generation);
3915
3916 if (asid != 0 && is_reserved_asid(asid)) {
3917 /*
3918 @@ -203,7 +203,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
3919 */
3920 asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx);
3921 if (asid == NUM_USER_ASIDS) {
3922 - generation = atomic64_add_return(ASID_FIRST_VERSION,
3923 + generation = atomic64_add_return_unchecked(ASID_FIRST_VERSION,
3924 &asid_generation);
3925 flush_context(cpu);
3926 asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1);
3927 @@ -234,14 +234,14 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk)
3928 cpu_set_reserved_ttbr0();
3929
3930 asid = atomic64_read(&mm->context.id);
3931 - if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS)
3932 + if (!((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS)
3933 && atomic64_xchg(&per_cpu(active_asids, cpu), asid))
3934 goto switch_mm_fastpath;
3935
3936 raw_spin_lock_irqsave(&cpu_asid_lock, flags);
3937 /* Check that our ASID belongs to the current generation. */
3938 asid = atomic64_read(&mm->context.id);
3939 - if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) {
3940 + if ((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) {
3941 asid = new_context(mm, cpu);
3942 atomic64_set(&mm->context.id, asid);
3943 }
3944 diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
3945 index eb8830a..e8ff52e 100644
3946 --- a/arch/arm/mm/fault.c
3947 +++ b/arch/arm/mm/fault.c
3948 @@ -25,6 +25,7 @@
3949 #include <asm/system_misc.h>
3950 #include <asm/system_info.h>
3951 #include <asm/tlbflush.h>
3952 +#include <asm/sections.h>
3953
3954 #include "fault.h"
3955
3956 @@ -138,6 +139,31 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
3957 if (fixup_exception(regs))
3958 return;
3959
3960 +#ifdef CONFIG_PAX_MEMORY_UDEREF
3961 + if (addr < TASK_SIZE) {
3962 + if (current->signal->curr_ip)
3963 + printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current),
3964 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr);
3965 + else
3966 + printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current),
3967 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr);
3968 + }
3969 +#endif
3970 +
3971 +#ifdef CONFIG_PAX_KERNEXEC
3972 + if ((fsr & FSR_WRITE) &&
3973 + (((unsigned long)_stext <= addr && addr < init_mm.end_code) ||
3974 + (MODULES_VADDR <= addr && addr < MODULES_END)))
3975 + {
3976 + if (current->signal->curr_ip)
3977 + printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", &current->signal->curr_ip, current->comm, task_pid_nr(current),
3978 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
3979 + else
3980 + printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current),
3981 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
3982 + }
3983 +#endif
3984 +
3985 /*
3986 * No handler, we'll have to terminate things with extreme prejudice.
3987 */
3988 @@ -174,6 +200,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
3989 }
3990 #endif
3991
3992 +#ifdef CONFIG_PAX_PAGEEXEC
3993 + if (fsr & FSR_LNX_PF) {
3994 + pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp);
3995 + do_group_exit(SIGKILL);
3996 + }
3997 +#endif
3998 +
3999 tsk->thread.address = addr;
4000 tsk->thread.error_code = fsr;
4001 tsk->thread.trap_no = 14;
4002 @@ -401,6 +434,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
4003 }
4004 #endif /* CONFIG_MMU */
4005
4006 +#ifdef CONFIG_PAX_PAGEEXEC
4007 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
4008 +{
4009 + long i;
4010 +
4011 + printk(KERN_ERR "PAX: bytes at PC: ");
4012 + for (i = 0; i < 20; i++) {
4013 + unsigned char c;
4014 + if (get_user(c, (__force unsigned char __user *)pc+i))
4015 + printk(KERN_CONT "?? ");
4016 + else
4017 + printk(KERN_CONT "%02x ", c);
4018 + }
4019 + printk("\n");
4020 +
4021 + printk(KERN_ERR "PAX: bytes at SP-4: ");
4022 + for (i = -1; i < 20; i++) {
4023 + unsigned long c;
4024 + if (get_user(c, (__force unsigned long __user *)sp+i))
4025 + printk(KERN_CONT "???????? ");
4026 + else
4027 + printk(KERN_CONT "%08lx ", c);
4028 + }
4029 + printk("\n");
4030 +}
4031 +#endif
4032 +
4033 /*
4034 * First Level Translation Fault Handler
4035 *
4036 @@ -548,9 +608,22 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
4037 const struct fsr_info *inf = fsr_info + fsr_fs(fsr);
4038 struct siginfo info;
4039
4040 +#ifdef CONFIG_PAX_MEMORY_UDEREF
4041 + if (addr < TASK_SIZE && is_domain_fault(fsr)) {
4042 + if (current->signal->curr_ip)
4043 + printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current),
4044 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr);
4045 + else
4046 + printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current),
4047 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr);
4048 + goto die;
4049 + }
4050 +#endif
4051 +
4052 if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs))
4053 return;
4054
4055 +die:
4056 printk(KERN_ALERT "Unhandled fault: %s (0x%03x) at 0x%08lx\n",
4057 inf->name, fsr, addr);
4058
4059 @@ -574,15 +647,104 @@ hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *
4060 ifsr_info[nr].name = name;
4061 }
4062
4063 +asmlinkage int sys_sigreturn(struct pt_regs *regs);
4064 +asmlinkage int sys_rt_sigreturn(struct pt_regs *regs);
4065 +
4066 asmlinkage void __exception
4067 do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
4068 {
4069 const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr);
4070 struct siginfo info;
4071 + unsigned long pc = instruction_pointer(regs);
4072 +
4073 + if (user_mode(regs)) {
4074 + unsigned long sigpage = current->mm->context.sigpage;
4075 +
4076 + if (sigpage <= pc && pc < sigpage + 7*4) {
4077 + if (pc < sigpage + 3*4)
4078 + sys_sigreturn(regs);
4079 + else
4080 + sys_rt_sigreturn(regs);
4081 + return;
4082 + }
4083 + if (pc == 0xffff0f60UL) {
4084 + /*
4085 + * PaX: __kuser_cmpxchg64 emulation
4086 + */
4087 + // TODO
4088 + //regs->ARM_pc = regs->ARM_lr;
4089 + //return;
4090 + }
4091 + if (pc == 0xffff0fa0UL) {
4092 + /*
4093 + * PaX: __kuser_memory_barrier emulation
4094 + */
4095 + // dmb(); implied by the exception
4096 + regs->ARM_pc = regs->ARM_lr;
4097 + return;
4098 + }
4099 + if (pc == 0xffff0fc0UL) {
4100 + /*
4101 + * PaX: __kuser_cmpxchg emulation
4102 + */
4103 + // TODO
4104 + //long new;
4105 + //int op;
4106 +
4107 + //op = FUTEX_OP_SET << 28;
4108 + //new = futex_atomic_op_inuser(op, regs->ARM_r2);
4109 + //regs->ARM_r0 = old != new;
4110 + //regs->ARM_pc = regs->ARM_lr;
4111 + //return;
4112 + }
4113 + if (pc == 0xffff0fe0UL) {
4114 + /*
4115 + * PaX: __kuser_get_tls emulation
4116 + */
4117 + regs->ARM_r0 = current_thread_info()->tp_value[0];
4118 + regs->ARM_pc = regs->ARM_lr;
4119 + return;
4120 + }
4121 + }
4122 +
4123 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
4124 + else if (is_domain_fault(ifsr) || is_xn_fault(ifsr)) {
4125 + if (current->signal->curr_ip)
4126 + printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current),
4127 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()),
4128 + pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc);
4129 + else
4130 + printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", current->comm, task_pid_nr(current),
4131 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()),
4132 + pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc);
4133 + goto die;
4134 + }
4135 +#endif
4136 +
4137 +#ifdef CONFIG_PAX_REFCOUNT
4138 + if (fsr_fs(ifsr) == FAULT_CODE_DEBUG) {
4139 +#ifdef CONFIG_THUMB2_KERNEL
4140 + unsigned short bkpt;
4141 +
4142 + if (!probe_kernel_address(pc, bkpt) && cpu_to_le16(bkpt) == 0xbef1) {
4143 +#else
4144 + unsigned int bkpt;
4145 +
4146 + if (!probe_kernel_address(pc, bkpt) && cpu_to_le32(bkpt) == 0xe12f1073) {
4147 +#endif
4148 + current->thread.error_code = ifsr;
4149 + current->thread.trap_no = 0;
4150 + pax_report_refcount_overflow(regs);
4151 + fixup_exception(regs);
4152 + return;
4153 + }
4154 + }
4155 +#endif
4156
4157 if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
4158 return;
4159
4160 +die:
4161 printk(KERN_ALERT "Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
4162 inf->name, ifsr, addr);
4163
4164 diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
4165 index cf08bdf..772656c 100644
4166 --- a/arch/arm/mm/fault.h
4167 +++ b/arch/arm/mm/fault.h
4168 @@ -3,6 +3,7 @@
4169
4170 /*
4171 * Fault status register encodings. We steal bit 31 for our own purposes.
4172 + * Set when the FSR value is from an instruction fault.
4173 */
4174 #define FSR_LNX_PF (1 << 31)
4175 #define FSR_WRITE (1 << 11)
4176 @@ -22,6 +23,17 @@ static inline int fsr_fs(unsigned int fsr)
4177 }
4178 #endif
4179
4180 +/* valid for LPAE and !LPAE */
4181 +static inline int is_xn_fault(unsigned int fsr)
4182 +{
4183 + return ((fsr_fs(fsr) & 0x3c) == 0xc);
4184 +}
4185 +
4186 +static inline int is_domain_fault(unsigned int fsr)
4187 +{
4188 + return ((fsr_fs(fsr) & 0xD) == 0x9);
4189 +}
4190 +
4191 void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
4192 unsigned long search_exception_table(unsigned long addr);
4193
4194 diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
4195 index 9481f85..6dae261 100644
4196 --- a/arch/arm/mm/init.c
4197 +++ b/arch/arm/mm/init.c
4198 @@ -31,6 +31,8 @@
4199 #include <asm/setup.h>
4200 #include <asm/tlb.h>
4201 #include <asm/fixmap.h>
4202 +#include <asm/system_info.h>
4203 +#include <asm/cp15.h>
4204
4205 #include <asm/mach/arch.h>
4206 #include <asm/mach/map.h>
4207 @@ -619,7 +621,46 @@ void free_initmem(void)
4208 {
4209 #ifdef CONFIG_HAVE_TCM
4210 extern char __tcm_start, __tcm_end;
4211 +#endif
4212
4213 +#ifdef CONFIG_PAX_KERNEXEC
4214 + unsigned long addr;
4215 + pgd_t *pgd;
4216 + pud_t *pud;
4217 + pmd_t *pmd;
4218 + int cpu_arch = cpu_architecture();
4219 + unsigned int cr = get_cr();
4220 +
4221 + if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) {
4222 + /* make pages tables, etc before .text NX */
4223 + for (addr = PAGE_OFFSET; addr < (unsigned long)_stext; addr += SECTION_SIZE) {
4224 + pgd = pgd_offset_k(addr);
4225 + pud = pud_offset(pgd, addr);
4226 + pmd = pmd_offset(pud, addr);
4227 + __section_update(pmd, addr, PMD_SECT_XN);
4228 + }
4229 + /* make init NX */
4230 + for (addr = (unsigned long)__init_begin; addr < (unsigned long)_sdata; addr += SECTION_SIZE) {
4231 + pgd = pgd_offset_k(addr);
4232 + pud = pud_offset(pgd, addr);
4233 + pmd = pmd_offset(pud, addr);
4234 + __section_update(pmd, addr, PMD_SECT_XN);
4235 + }
4236 + /* make kernel code/rodata RX */
4237 + for (addr = (unsigned long)_stext; addr < (unsigned long)__init_begin; addr += SECTION_SIZE) {
4238 + pgd = pgd_offset_k(addr);
4239 + pud = pud_offset(pgd, addr);
4240 + pmd = pmd_offset(pud, addr);
4241 +#ifdef CONFIG_ARM_LPAE
4242 + __section_update(pmd, addr, PMD_SECT_RDONLY);
4243 +#else
4244 + __section_update(pmd, addr, PMD_SECT_APX|PMD_SECT_AP_WRITE);
4245 +#endif
4246 + }
4247 + }
4248 +#endif
4249 +
4250 +#ifdef CONFIG_HAVE_TCM
4251 poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start);
4252 free_reserved_area(&__tcm_start, &__tcm_end, -1, "TCM link");
4253 #endif
4254 diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
4255 index d1e5ad7..84dcbf2 100644
4256 --- a/arch/arm/mm/ioremap.c
4257 +++ b/arch/arm/mm/ioremap.c
4258 @@ -392,9 +392,9 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached)
4259 unsigned int mtype;
4260
4261 if (cached)
4262 - mtype = MT_MEMORY_RWX;
4263 + mtype = MT_MEMORY_RX;
4264 else
4265 - mtype = MT_MEMORY_RWX_NONCACHED;
4266 + mtype = MT_MEMORY_RX_NONCACHED;
4267
4268 return __arm_ioremap_caller(phys_addr, size, mtype,
4269 __builtin_return_address(0));
4270 diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
4271 index 5e85ed3..b10a7ed 100644
4272 --- a/arch/arm/mm/mmap.c
4273 +++ b/arch/arm/mm/mmap.c
4274 @@ -59,6 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
4275 struct vm_area_struct *vma;
4276 int do_align = 0;
4277 int aliasing = cache_is_vipt_aliasing();
4278 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
4279 struct vm_unmapped_area_info info;
4280
4281 /*
4282 @@ -81,6 +82,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
4283 if (len > TASK_SIZE)
4284 return -ENOMEM;
4285
4286 +#ifdef CONFIG_PAX_RANDMMAP
4287 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
4288 +#endif
4289 +
4290 if (addr) {
4291 if (do_align)
4292 addr = COLOUR_ALIGN(addr, pgoff);
4293 @@ -88,8 +93,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
4294 addr = PAGE_ALIGN(addr);
4295
4296 vma = find_vma(mm, addr);
4297 - if (TASK_SIZE - len >= addr &&
4298 - (!vma || addr + len <= vma->vm_start))
4299 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
4300 return addr;
4301 }
4302
4303 @@ -99,6 +103,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
4304 info.high_limit = TASK_SIZE;
4305 info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
4306 info.align_offset = pgoff << PAGE_SHIFT;
4307 + info.threadstack_offset = offset;
4308 return vm_unmapped_area(&info);
4309 }
4310
4311 @@ -112,6 +117,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
4312 unsigned long addr = addr0;
4313 int do_align = 0;
4314 int aliasing = cache_is_vipt_aliasing();
4315 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
4316 struct vm_unmapped_area_info info;
4317
4318 /*
4319 @@ -132,6 +138,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
4320 return addr;
4321 }
4322
4323 +#ifdef CONFIG_PAX_RANDMMAP
4324 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
4325 +#endif
4326 +
4327 /* requesting a specific address */
4328 if (addr) {
4329 if (do_align)
4330 @@ -139,8 +149,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
4331 else
4332 addr = PAGE_ALIGN(addr);
4333 vma = find_vma(mm, addr);
4334 - if (TASK_SIZE - len >= addr &&
4335 - (!vma || addr + len <= vma->vm_start))
4336 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
4337 return addr;
4338 }
4339
4340 @@ -150,6 +159,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
4341 info.high_limit = mm->mmap_base;
4342 info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
4343 info.align_offset = pgoff << PAGE_SHIFT;
4344 + info.threadstack_offset = offset;
4345 addr = vm_unmapped_area(&info);
4346
4347 /*
4348 @@ -173,6 +183,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
4349 {
4350 unsigned long random_factor = 0UL;
4351
4352 +#ifdef CONFIG_PAX_RANDMMAP
4353 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
4354 +#endif
4355 +
4356 /* 8 bits of randomness in 20 address space bits */
4357 if ((current->flags & PF_RANDOMIZE) &&
4358 !(current->personality & ADDR_NO_RANDOMIZE))
4359 @@ -180,9 +194,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
4360
4361 if (mmap_is_legacy()) {
4362 mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
4363 +
4364 +#ifdef CONFIG_PAX_RANDMMAP
4365 + if (mm->pax_flags & MF_PAX_RANDMMAP)
4366 + mm->mmap_base += mm->delta_mmap;
4367 +#endif
4368 +
4369 mm->get_unmapped_area = arch_get_unmapped_area;
4370 } else {
4371 mm->mmap_base = mmap_base(random_factor);
4372 +
4373 +#ifdef CONFIG_PAX_RANDMMAP
4374 + if (mm->pax_flags & MF_PAX_RANDMMAP)
4375 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
4376 +#endif
4377 +
4378 mm->get_unmapped_area = arch_get_unmapped_area_topdown;
4379 }
4380 }
4381 diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
4382 index 9f98cec..115fcb6 100644
4383 --- a/arch/arm/mm/mmu.c
4384 +++ b/arch/arm/mm/mmu.c
4385 @@ -40,6 +40,22 @@
4386 #include "mm.h"
4387 #include "tcm.h"
4388
4389 +#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
4390 +void modify_domain(unsigned int dom, unsigned int type)
4391 +{
4392 + struct thread_info *thread = current_thread_info();
4393 + unsigned int domain = thread->cpu_domain;
4394 + /*
4395 + * DOMAIN_MANAGER might be defined to some other value,
4396 + * use the arch-defined constant
4397 + */
4398 + domain &= ~domain_val(dom, 3);
4399 + thread->cpu_domain = domain | domain_val(dom, type);
4400 + set_domain(thread->cpu_domain);
4401 +}
4402 +EXPORT_SYMBOL(modify_domain);
4403 +#endif
4404 +
4405 /*
4406 * empty_zero_page is a special page that is used for
4407 * zero-initialized data and COW.
4408 @@ -239,7 +255,15 @@ __setup("noalign", noalign_setup);
4409 #define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE
4410 #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE
4411
4412 -static struct mem_type mem_types[] = {
4413 +#ifdef CONFIG_PAX_KERNEXEC
4414 +#define L_PTE_KERNEXEC L_PTE_RDONLY
4415 +#define PMD_SECT_KERNEXEC PMD_SECT_RDONLY
4416 +#else
4417 +#define L_PTE_KERNEXEC L_PTE_DIRTY
4418 +#define PMD_SECT_KERNEXEC PMD_SECT_AP_WRITE
4419 +#endif
4420 +
4421 +static struct mem_type mem_types[] __read_only = {
4422 [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */
4423 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED |
4424 L_PTE_SHARED,
4425 @@ -268,19 +292,19 @@ static struct mem_type mem_types[] = {
4426 .prot_sect = PROT_SECT_DEVICE,
4427 .domain = DOMAIN_IO,
4428 },
4429 - [MT_UNCACHED] = {
4430 + [MT_UNCACHED_RW] = {
4431 .prot_pte = PROT_PTE_DEVICE,
4432 .prot_l1 = PMD_TYPE_TABLE,
4433 .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN,
4434 .domain = DOMAIN_IO,
4435 },
4436 - [MT_CACHECLEAN] = {
4437 - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN,
4438 + [MT_CACHECLEAN_RO] = {
4439 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_RDONLY,
4440 .domain = DOMAIN_KERNEL,
4441 },
4442 #ifndef CONFIG_ARM_LPAE
4443 - [MT_MINICLEAN] = {
4444 - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_MINICACHE,
4445 + [MT_MINICLEAN_RO] = {
4446 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE | PMD_SECT_XN | PMD_SECT_RDONLY,
4447 .domain = DOMAIN_KERNEL,
4448 },
4449 #endif
4450 @@ -288,15 +312,15 @@ static struct mem_type mem_types[] = {
4451 .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
4452 L_PTE_RDONLY,
4453 .prot_l1 = PMD_TYPE_TABLE,
4454 - .domain = DOMAIN_USER,
4455 + .domain = DOMAIN_VECTORS,
4456 },
4457 [MT_HIGH_VECTORS] = {
4458 .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
4459 L_PTE_USER | L_PTE_RDONLY,
4460 .prot_l1 = PMD_TYPE_TABLE,
4461 - .domain = DOMAIN_USER,
4462 + .domain = DOMAIN_VECTORS,
4463 },
4464 - [MT_MEMORY_RWX] = {
4465 + [__MT_MEMORY_RWX] = {
4466 .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY,
4467 .prot_l1 = PMD_TYPE_TABLE,
4468 .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
4469 @@ -309,17 +333,30 @@ static struct mem_type mem_types[] = {
4470 .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
4471 .domain = DOMAIN_KERNEL,
4472 },
4473 - [MT_ROM] = {
4474 - .prot_sect = PMD_TYPE_SECT,
4475 + [MT_MEMORY_RX] = {
4476 + .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC,
4477 + .prot_l1 = PMD_TYPE_TABLE,
4478 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC,
4479 + .domain = DOMAIN_KERNEL,
4480 + },
4481 + [MT_ROM_RX] = {
4482 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY,
4483 .domain = DOMAIN_KERNEL,
4484 },
4485 - [MT_MEMORY_RWX_NONCACHED] = {
4486 + [MT_MEMORY_RW_NONCACHED] = {
4487 .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
4488 L_PTE_MT_BUFFERABLE,
4489 .prot_l1 = PMD_TYPE_TABLE,
4490 .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
4491 .domain = DOMAIN_KERNEL,
4492 },
4493 + [MT_MEMORY_RX_NONCACHED] = {
4494 + .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC |
4495 + L_PTE_MT_BUFFERABLE,
4496 + .prot_l1 = PMD_TYPE_TABLE,
4497 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC,
4498 + .domain = DOMAIN_KERNEL,
4499 + },
4500 [MT_MEMORY_RW_DTCM] = {
4501 .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
4502 L_PTE_XN,
4503 @@ -327,9 +364,10 @@ static struct mem_type mem_types[] = {
4504 .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN,
4505 .domain = DOMAIN_KERNEL,
4506 },
4507 - [MT_MEMORY_RWX_ITCM] = {
4508 - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY,
4509 + [MT_MEMORY_RX_ITCM] = {
4510 + .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC,
4511 .prot_l1 = PMD_TYPE_TABLE,
4512 + .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC,
4513 .domain = DOMAIN_KERNEL,
4514 },
4515 [MT_MEMORY_RW_SO] = {
4516 @@ -547,9 +585,14 @@ static void __init build_mem_type_table(void)
4517 * Mark cache clean areas and XIP ROM read only
4518 * from SVC mode and no access from userspace.
4519 */
4520 - mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4521 - mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4522 - mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4523 + mem_types[MT_ROM_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4524 +#ifdef CONFIG_PAX_KERNEXEC
4525 + mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4526 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4527 + mem_types[MT_MEMORY_RX_ITCM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4528 +#endif
4529 + mem_types[MT_MINICLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4530 + mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
4531 #endif
4532
4533 /*
4534 @@ -566,13 +609,17 @@ static void __init build_mem_type_table(void)
4535 mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED;
4536 mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S;
4537 mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED;
4538 - mem_types[MT_MEMORY_RWX].prot_sect |= PMD_SECT_S;
4539 - mem_types[MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED;
4540 + mem_types[__MT_MEMORY_RWX].prot_sect |= PMD_SECT_S;
4541 + mem_types[__MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED;
4542 mem_types[MT_MEMORY_RW].prot_sect |= PMD_SECT_S;
4543 mem_types[MT_MEMORY_RW].prot_pte |= L_PTE_SHARED;
4544 + mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_S;
4545 + mem_types[MT_MEMORY_RX].prot_pte |= L_PTE_SHARED;
4546 mem_types[MT_MEMORY_DMA_READY].prot_pte |= L_PTE_SHARED;
4547 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_S;
4548 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_pte |= L_PTE_SHARED;
4549 + mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_S;
4550 + mem_types[MT_MEMORY_RW_NONCACHED].prot_pte |= L_PTE_SHARED;
4551 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_S;
4552 + mem_types[MT_MEMORY_RX_NONCACHED].prot_pte |= L_PTE_SHARED;
4553 }
4554 }
4555
4556 @@ -583,15 +630,20 @@ static void __init build_mem_type_table(void)
4557 if (cpu_arch >= CPU_ARCH_ARMv6) {
4558 if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) {
4559 /* Non-cacheable Normal is XCB = 001 */
4560 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |=
4561 + mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |=
4562 + PMD_SECT_BUFFERED;
4563 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |=
4564 PMD_SECT_BUFFERED;
4565 } else {
4566 /* For both ARMv6 and non-TEX-remapping ARMv7 */
4567 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |=
4568 + mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |=
4569 + PMD_SECT_TEX(1);
4570 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |=
4571 PMD_SECT_TEX(1);
4572 }
4573 } else {
4574 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE;
4575 + mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE;
4576 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE;
4577 }
4578
4579 #ifdef CONFIG_ARM_LPAE
4580 @@ -607,6 +659,8 @@ static void __init build_mem_type_table(void)
4581 vecs_pgprot |= PTE_EXT_AF;
4582 #endif
4583
4584 + user_pgprot |= __supported_pte_mask;
4585 +
4586 for (i = 0; i < 16; i++) {
4587 pteval_t v = pgprot_val(protection_map[i]);
4588 protection_map[i] = __pgprot(v | user_pgprot);
4589 @@ -624,21 +678,24 @@ static void __init build_mem_type_table(void)
4590
4591 mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask;
4592 mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask;
4593 - mem_types[MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd;
4594 - mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot;
4595 + mem_types[__MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd;
4596 + mem_types[__MT_MEMORY_RWX].prot_pte |= kern_pgprot;
4597 mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd;
4598 mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot;
4599 + mem_types[MT_MEMORY_RX].prot_sect |= ecc_mask | cp->pmd;
4600 + mem_types[MT_MEMORY_RX].prot_pte |= kern_pgprot;
4601 mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot;
4602 - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask;
4603 - mem_types[MT_ROM].prot_sect |= cp->pmd;
4604 + mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= ecc_mask;
4605 + mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= ecc_mask;
4606 + mem_types[MT_ROM_RX].prot_sect |= cp->pmd;
4607
4608 switch (cp->pmd) {
4609 case PMD_SECT_WT:
4610 - mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT;
4611 + mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WT;
4612 break;
4613 case PMD_SECT_WB:
4614 case PMD_SECT_WBWA:
4615 - mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WB;
4616 + mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WB;
4617 break;
4618 }
4619 pr_info("Memory policy: %sData cache %s\n",
4620 @@ -856,7 +913,7 @@ static void __init create_mapping(struct map_desc *md)
4621 return;
4622 }
4623
4624 - if ((md->type == MT_DEVICE || md->type == MT_ROM) &&
4625 + if ((md->type == MT_DEVICE || md->type == MT_ROM_RX) &&
4626 md->virtual >= PAGE_OFFSET &&
4627 (md->virtual < VMALLOC_START || md->virtual >= VMALLOC_END)) {
4628 printk(KERN_WARNING "BUG: mapping for 0x%08llx"
4629 @@ -1224,18 +1281,15 @@ void __init arm_mm_memblock_reserve(void)
4630 * called function. This means you can't use any function or debugging
4631 * method which may touch any device, otherwise the kernel _will_ crash.
4632 */
4633 +
4634 +static char vectors[PAGE_SIZE * 2] __read_only __aligned(PAGE_SIZE);
4635 +
4636 static void __init devicemaps_init(const struct machine_desc *mdesc)
4637 {
4638 struct map_desc map;
4639 unsigned long addr;
4640 - void *vectors;
4641
4642 - /*
4643 - * Allocate the vector page early.
4644 - */
4645 - vectors = early_alloc(PAGE_SIZE * 2);
4646 -
4647 - early_trap_init(vectors);
4648 + early_trap_init(&vectors);
4649
4650 for (addr = VMALLOC_START; addr; addr += PMD_SIZE)
4651 pmd_clear(pmd_off_k(addr));
4652 @@ -1248,7 +1302,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc)
4653 map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
4654 map.virtual = MODULES_VADDR;
4655 map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
4656 - map.type = MT_ROM;
4657 + map.type = MT_ROM_RX;
4658 create_mapping(&map);
4659 #endif
4660
4661 @@ -1259,14 +1313,14 @@ static void __init devicemaps_init(const struct machine_desc *mdesc)
4662 map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS);
4663 map.virtual = FLUSH_BASE;
4664 map.length = SZ_1M;
4665 - map.type = MT_CACHECLEAN;
4666 + map.type = MT_CACHECLEAN_RO;
4667 create_mapping(&map);
4668 #endif
4669 #ifdef FLUSH_BASE_MINICACHE
4670 map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M);
4671 map.virtual = FLUSH_BASE_MINICACHE;
4672 map.length = SZ_1M;
4673 - map.type = MT_MINICLEAN;
4674 + map.type = MT_MINICLEAN_RO;
4675 create_mapping(&map);
4676 #endif
4677
4678 @@ -1275,7 +1329,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc)
4679 * location (0xffff0000). If we aren't using high-vectors, also
4680 * create a mapping at the low-vectors virtual address.
4681 */
4682 - map.pfn = __phys_to_pfn(virt_to_phys(vectors));
4683 + map.pfn = __phys_to_pfn(virt_to_phys(&vectors));
4684 map.virtual = 0xffff0000;
4685 map.length = PAGE_SIZE;
4686 #ifdef CONFIG_KUSER_HELPERS
4687 @@ -1335,8 +1389,10 @@ static void __init kmap_init(void)
4688 static void __init map_lowmem(void)
4689 {
4690 struct memblock_region *reg;
4691 +#ifndef CONFIG_PAX_KERNEXEC
4692 unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
4693 unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
4694 +#endif
4695
4696 /* Map all the lowmem memory banks. */
4697 for_each_memblock(memory, reg) {
4698 @@ -1349,11 +1405,48 @@ static void __init map_lowmem(void)
4699 if (start >= end)
4700 break;
4701
4702 +#ifdef CONFIG_PAX_KERNEXEC
4703 + map.pfn = __phys_to_pfn(start);
4704 + map.virtual = __phys_to_virt(start);
4705 + map.length = end - start;
4706 +
4707 + if (map.virtual <= (unsigned long)_stext && ((unsigned long)_end < (map.virtual + map.length))) {
4708 + struct map_desc kernel;
4709 + struct map_desc initmap;
4710 +
4711 + /* when freeing initmem we will make this RW */
4712 + initmap.pfn = __phys_to_pfn(__pa(__init_begin));
4713 + initmap.virtual = (unsigned long)__init_begin;
4714 + initmap.length = _sdata - __init_begin;
4715 + initmap.type = __MT_MEMORY_RWX;
4716 + create_mapping(&initmap);
4717 +
4718 + /* when freeing initmem we will make this RX */
4719 + kernel.pfn = __phys_to_pfn(__pa(_stext));
4720 + kernel.virtual = (unsigned long)_stext;
4721 + kernel.length = __init_begin - _stext;
4722 + kernel.type = __MT_MEMORY_RWX;
4723 + create_mapping(&kernel);
4724 +
4725 + if (map.virtual < (unsigned long)_stext) {
4726 + map.length = (unsigned long)_stext - map.virtual;
4727 + map.type = __MT_MEMORY_RWX;
4728 + create_mapping(&map);
4729 + }
4730 +
4731 + map.pfn = __phys_to_pfn(__pa(_sdata));
4732 + map.virtual = (unsigned long)_sdata;
4733 + map.length = end - __pa(_sdata);
4734 + }
4735 +
4736 + map.type = MT_MEMORY_RW;
4737 + create_mapping(&map);
4738 +#else
4739 if (end < kernel_x_start || start >= kernel_x_end) {
4740 map.pfn = __phys_to_pfn(start);
4741 map.virtual = __phys_to_virt(start);
4742 map.length = end - start;
4743 - map.type = MT_MEMORY_RWX;
4744 + map.type = __MT_MEMORY_RWX;
4745
4746 create_mapping(&map);
4747 } else {
4748 @@ -1370,7 +1463,7 @@ static void __init map_lowmem(void)
4749 map.pfn = __phys_to_pfn(kernel_x_start);
4750 map.virtual = __phys_to_virt(kernel_x_start);
4751 map.length = kernel_x_end - kernel_x_start;
4752 - map.type = MT_MEMORY_RWX;
4753 + map.type = __MT_MEMORY_RWX;
4754
4755 create_mapping(&map);
4756
4757 @@ -1383,6 +1476,7 @@ static void __init map_lowmem(void)
4758 create_mapping(&map);
4759 }
4760 }
4761 +#endif
4762 }
4763 }
4764
4765 diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
4766 index e1268f9..a9755a7 100644
4767 --- a/arch/arm/net/bpf_jit_32.c
4768 +++ b/arch/arm/net/bpf_jit_32.c
4769 @@ -20,6 +20,7 @@
4770 #include <asm/cacheflush.h>
4771 #include <asm/hwcap.h>
4772 #include <asm/opcodes.h>
4773 +#include <asm/pgtable.h>
4774
4775 #include "bpf_jit_32.h"
4776
4777 @@ -71,7 +72,11 @@ struct jit_ctx {
4778 #endif
4779 };
4780
4781 +#ifdef CONFIG_GRKERNSEC_BPF_HARDEN
4782 +int bpf_jit_enable __read_only;
4783 +#else
4784 int bpf_jit_enable __read_mostly;
4785 +#endif
4786
4787 static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset)
4788 {
4789 @@ -178,8 +183,10 @@ static void jit_fill_hole(void *area, unsigned int size)
4790 {
4791 u32 *ptr;
4792 /* We are guaranteed to have aligned memory. */
4793 + pax_open_kernel();
4794 for (ptr = area; size >= sizeof(u32); size -= sizeof(u32))
4795 *ptr++ = __opcode_to_mem_arm(ARM_INST_UDF);
4796 + pax_close_kernel();
4797 }
4798
4799 static void build_prologue(struct jit_ctx *ctx)
4800 diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c
4801 index 5b217f4..c23f40e 100644
4802 --- a/arch/arm/plat-iop/setup.c
4803 +++ b/arch/arm/plat-iop/setup.c
4804 @@ -24,7 +24,7 @@ static struct map_desc iop3xx_std_desc[] __initdata = {
4805 .virtual = IOP3XX_PERIPHERAL_VIRT_BASE,
4806 .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
4807 .length = IOP3XX_PERIPHERAL_SIZE,
4808 - .type = MT_UNCACHED,
4809 + .type = MT_UNCACHED_RW,
4810 },
4811 };
4812
4813 diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
4814 index a5bc92d..0bb4730 100644
4815 --- a/arch/arm/plat-omap/sram.c
4816 +++ b/arch/arm/plat-omap/sram.c
4817 @@ -93,6 +93,8 @@ void __init omap_map_sram(unsigned long start, unsigned long size,
4818 * Looks like we need to preserve some bootloader code at the
4819 * beginning of SRAM for jumping to flash for reboot to work...
4820 */
4821 + pax_open_kernel();
4822 memset_io(omap_sram_base + omap_sram_skip, 0,
4823 omap_sram_size - omap_sram_skip);
4824 + pax_close_kernel();
4825 }
4826 diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
4827 index ce6d763..cfea917 100644
4828 --- a/arch/arm/plat-samsung/include/plat/dma-ops.h
4829 +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
4830 @@ -47,7 +47,7 @@ struct samsung_dma_ops {
4831 int (*started)(unsigned ch);
4832 int (*flush)(unsigned ch);
4833 int (*stop)(unsigned ch);
4834 -};
4835 +} __no_const;
4836
4837 extern void *samsung_dmadev_get_ops(void);
4838 extern void *s3c_dma_get_ops(void);
4839 diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
4840 index 6389d60..b5d3bdd 100644
4841 --- a/arch/arm64/include/asm/barrier.h
4842 +++ b/arch/arm64/include/asm/barrier.h
4843 @@ -41,7 +41,7 @@
4844 do { \
4845 compiletime_assert_atomic_type(*p); \
4846 barrier(); \
4847 - ACCESS_ONCE(*p) = (v); \
4848 + ACCESS_ONCE_RW(*p) = (v); \
4849 } while (0)
4850
4851 #define smp_load_acquire(p) \
4852 diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
4853 index 3bf8f4e..5dd5491 100644
4854 --- a/arch/arm64/include/asm/uaccess.h
4855 +++ b/arch/arm64/include/asm/uaccess.h
4856 @@ -99,6 +99,7 @@ static inline void set_fs(mm_segment_t fs)
4857 flag; \
4858 })
4859
4860 +#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size))
4861 #define access_ok(type, addr, size) __range_ok(addr, size)
4862 #define user_addr_max get_fs
4863
4864 diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h
4865 index c3a58a1..78fbf54 100644
4866 --- a/arch/avr32/include/asm/cache.h
4867 +++ b/arch/avr32/include/asm/cache.h
4868 @@ -1,8 +1,10 @@
4869 #ifndef __ASM_AVR32_CACHE_H
4870 #define __ASM_AVR32_CACHE_H
4871
4872 +#include <linux/const.h>
4873 +
4874 #define L1_CACHE_SHIFT 5
4875 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
4876 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
4877
4878 /*
4879 * Memory returned by kmalloc() may be used for DMA, so we must make
4880 diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h
4881 index d232888..87c8df1 100644
4882 --- a/arch/avr32/include/asm/elf.h
4883 +++ b/arch/avr32/include/asm/elf.h
4884 @@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t;
4885 the loader. We need to make sure that it is out of the way of the program
4886 that it will "exec", and that there is sufficient room for the brk. */
4887
4888 -#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
4889 +#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
4890
4891 +#ifdef CONFIG_PAX_ASLR
4892 +#define PAX_ELF_ET_DYN_BASE 0x00001000UL
4893 +
4894 +#define PAX_DELTA_MMAP_LEN 15
4895 +#define PAX_DELTA_STACK_LEN 15
4896 +#endif
4897
4898 /* This yields a mask that user programs can use to figure out what
4899 instruction set this CPU supports. This could be done in user space,
4900 diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h
4901 index 479330b..53717a8 100644
4902 --- a/arch/avr32/include/asm/kmap_types.h
4903 +++ b/arch/avr32/include/asm/kmap_types.h
4904 @@ -2,9 +2,9 @@
4905 #define __ASM_AVR32_KMAP_TYPES_H
4906
4907 #ifdef CONFIG_DEBUG_HIGHMEM
4908 -# define KM_TYPE_NR 29
4909 +# define KM_TYPE_NR 30
4910 #else
4911 -# define KM_TYPE_NR 14
4912 +# define KM_TYPE_NR 15
4913 #endif
4914
4915 #endif /* __ASM_AVR32_KMAP_TYPES_H */
4916 diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
4917 index 0eca933..eb78c7b 100644
4918 --- a/arch/avr32/mm/fault.c
4919 +++ b/arch/avr32/mm/fault.c
4920 @@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap)
4921
4922 int exception_trace = 1;
4923
4924 +#ifdef CONFIG_PAX_PAGEEXEC
4925 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
4926 +{
4927 + unsigned long i;
4928 +
4929 + printk(KERN_ERR "PAX: bytes at PC: ");
4930 + for (i = 0; i < 20; i++) {
4931 + unsigned char c;
4932 + if (get_user(c, (unsigned char *)pc+i))
4933 + printk(KERN_CONT "???????? ");
4934 + else
4935 + printk(KERN_CONT "%02x ", c);
4936 + }
4937 + printk("\n");
4938 +}
4939 +#endif
4940 +
4941 /*
4942 * This routine handles page faults. It determines the address and the
4943 * problem, and then passes it off to one of the appropriate routines.
4944 @@ -176,6 +193,16 @@ bad_area:
4945 up_read(&mm->mmap_sem);
4946
4947 if (user_mode(regs)) {
4948 +
4949 +#ifdef CONFIG_PAX_PAGEEXEC
4950 + if (mm->pax_flags & MF_PAX_PAGEEXEC) {
4951 + if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) {
4952 + pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp);
4953 + do_group_exit(SIGKILL);
4954 + }
4955 + }
4956 +#endif
4957 +
4958 if (exception_trace && printk_ratelimit())
4959 printk("%s%s[%d]: segfault at %08lx pc %08lx "
4960 "sp %08lx ecr %lu\n",
4961 diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
4962 index 568885a..f8008df 100644
4963 --- a/arch/blackfin/include/asm/cache.h
4964 +++ b/arch/blackfin/include/asm/cache.h
4965 @@ -7,6 +7,7 @@
4966 #ifndef __ARCH_BLACKFIN_CACHE_H
4967 #define __ARCH_BLACKFIN_CACHE_H
4968
4969 +#include <linux/const.h>
4970 #include <linux/linkage.h> /* for asmlinkage */
4971
4972 /*
4973 @@ -14,7 +15,7 @@
4974 * Blackfin loads 32 bytes for cache
4975 */
4976 #define L1_CACHE_SHIFT 5
4977 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
4978 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
4979 #define SMP_CACHE_BYTES L1_CACHE_BYTES
4980
4981 #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
4982 diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h
4983 index aea2718..3639a60 100644
4984 --- a/arch/cris/include/arch-v10/arch/cache.h
4985 +++ b/arch/cris/include/arch-v10/arch/cache.h
4986 @@ -1,8 +1,9 @@
4987 #ifndef _ASM_ARCH_CACHE_H
4988 #define _ASM_ARCH_CACHE_H
4989
4990 +#include <linux/const.h>
4991 /* Etrax 100LX have 32-byte cache-lines. */
4992 -#define L1_CACHE_BYTES 32
4993 #define L1_CACHE_SHIFT 5
4994 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
4995
4996 #endif /* _ASM_ARCH_CACHE_H */
4997 diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
4998 index 7caf25d..ee65ac5 100644
4999 --- a/arch/cris/include/arch-v32/arch/cache.h
5000 +++ b/arch/cris/include/arch-v32/arch/cache.h
5001 @@ -1,11 +1,12 @@
5002 #ifndef _ASM_CRIS_ARCH_CACHE_H
5003 #define _ASM_CRIS_ARCH_CACHE_H
5004
5005 +#include <linux/const.h>
5006 #include <arch/hwregs/dma.h>
5007
5008 /* A cache-line is 32 bytes. */
5009 -#define L1_CACHE_BYTES 32
5010 #define L1_CACHE_SHIFT 5
5011 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5012
5013 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
5014
5015 diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
5016 index 102190a..5334cea 100644
5017 --- a/arch/frv/include/asm/atomic.h
5018 +++ b/arch/frv/include/asm/atomic.h
5019 @@ -181,6 +181,16 @@ static inline void atomic64_dec(atomic64_t *v)
5020 #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter))
5021 #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter))
5022
5023 +#define atomic64_read_unchecked(v) atomic64_read(v)
5024 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
5025 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
5026 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
5027 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
5028 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
5029 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
5030 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
5031 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
5032 +
5033 static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
5034 {
5035 int c, old;
5036 diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h
5037 index 2797163..c2a401df9 100644
5038 --- a/arch/frv/include/asm/cache.h
5039 +++ b/arch/frv/include/asm/cache.h
5040 @@ -12,10 +12,11 @@
5041 #ifndef __ASM_CACHE_H
5042 #define __ASM_CACHE_H
5043
5044 +#include <linux/const.h>
5045
5046 /* bytes per L1 cache line */
5047 #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT)
5048 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
5049 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5050
5051 #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
5052 #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
5053 diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h
5054 index 43901f2..0d8b865 100644
5055 --- a/arch/frv/include/asm/kmap_types.h
5056 +++ b/arch/frv/include/asm/kmap_types.h
5057 @@ -2,6 +2,6 @@
5058 #ifndef _ASM_KMAP_TYPES_H
5059 #define _ASM_KMAP_TYPES_H
5060
5061 -#define KM_TYPE_NR 17
5062 +#define KM_TYPE_NR 18
5063
5064 #endif
5065 diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c
5066 index 836f147..4cf23f5 100644
5067 --- a/arch/frv/mm/elf-fdpic.c
5068 +++ b/arch/frv/mm/elf-fdpic.c
5069 @@ -61,6 +61,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
5070 {
5071 struct vm_area_struct *vma;
5072 struct vm_unmapped_area_info info;
5073 + unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags);
5074
5075 if (len > TASK_SIZE)
5076 return -ENOMEM;
5077 @@ -73,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
5078 if (addr) {
5079 addr = PAGE_ALIGN(addr);
5080 vma = find_vma(current->mm, addr);
5081 - if (TASK_SIZE - len >= addr &&
5082 - (!vma || addr + len <= vma->vm_start))
5083 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
5084 goto success;
5085 }
5086
5087 @@ -85,6 +85,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
5088 info.high_limit = (current->mm->start_stack - 0x00200000);
5089 info.align_mask = 0;
5090 info.align_offset = 0;
5091 + info.threadstack_offset = offset;
5092 addr = vm_unmapped_area(&info);
5093 if (!(addr & ~PAGE_MASK))
5094 goto success;
5095 diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h
5096 index 2635117..fa223cb 100644
5097 --- a/arch/hexagon/include/asm/cache.h
5098 +++ b/arch/hexagon/include/asm/cache.h
5099 @@ -21,9 +21,11 @@
5100 #ifndef __ASM_CACHE_H
5101 #define __ASM_CACHE_H
5102
5103 +#include <linux/const.h>
5104 +
5105 /* Bytes per L1 cache line */
5106 -#define L1_CACHE_SHIFT (5)
5107 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
5108 +#define L1_CACHE_SHIFT 5
5109 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5110
5111 #define __cacheline_aligned __aligned(L1_CACHE_BYTES)
5112 #define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
5113 diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
5114 index c84c88b..2a6e1ba 100644
5115 --- a/arch/ia64/Kconfig
5116 +++ b/arch/ia64/Kconfig
5117 @@ -549,6 +549,7 @@ source "drivers/sn/Kconfig"
5118 config KEXEC
5119 bool "kexec system call"
5120 depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
5121 + depends on !GRKERNSEC_KMEM
5122 help
5123 kexec is a system call that implements the ability to shutdown your
5124 current kernel, and to start another kernel. It is like a reboot
5125 diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
5126 index 5441b14..039a446 100644
5127 --- a/arch/ia64/Makefile
5128 +++ b/arch/ia64/Makefile
5129 @@ -99,5 +99,6 @@ endef
5130 archprepare: make_nr_irqs_h FORCE
5131 PHONY += make_nr_irqs_h FORCE
5132
5133 +make_nr_irqs_h: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
5134 make_nr_irqs_h: FORCE
5135 $(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h
5136 diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
5137 index 0bf0350..2ad1957 100644
5138 --- a/arch/ia64/include/asm/atomic.h
5139 +++ b/arch/ia64/include/asm/atomic.h
5140 @@ -193,4 +193,14 @@ atomic64_add_negative (__s64 i, atomic64_t *v)
5141 #define atomic64_inc(v) atomic64_add(1, (v))
5142 #define atomic64_dec(v) atomic64_sub(1, (v))
5143
5144 +#define atomic64_read_unchecked(v) atomic64_read(v)
5145 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
5146 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
5147 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
5148 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
5149 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
5150 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
5151 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
5152 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
5153 +
5154 #endif /* _ASM_IA64_ATOMIC_H */
5155 diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h
5156 index a48957c..e097b56 100644
5157 --- a/arch/ia64/include/asm/barrier.h
5158 +++ b/arch/ia64/include/asm/barrier.h
5159 @@ -67,7 +67,7 @@
5160 do { \
5161 compiletime_assert_atomic_type(*p); \
5162 barrier(); \
5163 - ACCESS_ONCE(*p) = (v); \
5164 + ACCESS_ONCE_RW(*p) = (v); \
5165 } while (0)
5166
5167 #define smp_load_acquire(p) \
5168 diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h
5169 index 988254a..e1ee885 100644
5170 --- a/arch/ia64/include/asm/cache.h
5171 +++ b/arch/ia64/include/asm/cache.h
5172 @@ -1,6 +1,7 @@
5173 #ifndef _ASM_IA64_CACHE_H
5174 #define _ASM_IA64_CACHE_H
5175
5176 +#include <linux/const.h>
5177
5178 /*
5179 * Copyright (C) 1998-2000 Hewlett-Packard Co
5180 @@ -9,7 +10,7 @@
5181
5182 /* Bytes per L1 (data) cache line. */
5183 #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
5184 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
5185 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5186
5187 #ifdef CONFIG_SMP
5188 # define SMP_CACHE_SHIFT L1_CACHE_SHIFT
5189 diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
5190 index 5a83c5c..4d7f553 100644
5191 --- a/arch/ia64/include/asm/elf.h
5192 +++ b/arch/ia64/include/asm/elf.h
5193 @@ -42,6 +42,13 @@
5194 */
5195 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL)
5196
5197 +#ifdef CONFIG_PAX_ASLR
5198 +#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL)
5199 +
5200 +#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
5201 +#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13)
5202 +#endif
5203 +
5204 #define PT_IA_64_UNWIND 0x70000001
5205
5206 /* IA-64 relocations: */
5207 diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
5208 index 5767cdf..7462574 100644
5209 --- a/arch/ia64/include/asm/pgalloc.h
5210 +++ b/arch/ia64/include/asm/pgalloc.h
5211 @@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
5212 pgd_val(*pgd_entry) = __pa(pud);
5213 }
5214
5215 +static inline void
5216 +pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
5217 +{
5218 + pgd_populate(mm, pgd_entry, pud);
5219 +}
5220 +
5221 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
5222 {
5223 return quicklist_alloc(0, GFP_KERNEL, NULL);
5224 @@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
5225 pud_val(*pud_entry) = __pa(pmd);
5226 }
5227
5228 +static inline void
5229 +pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
5230 +{
5231 + pud_populate(mm, pud_entry, pmd);
5232 +}
5233 +
5234 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
5235 {
5236 return quicklist_alloc(0, GFP_KERNEL, NULL);
5237 diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
5238 index 7935115..c0eca6a 100644
5239 --- a/arch/ia64/include/asm/pgtable.h
5240 +++ b/arch/ia64/include/asm/pgtable.h
5241 @@ -12,7 +12,7 @@
5242 * David Mosberger-Tang <davidm@hpl.hp.com>
5243 */
5244
5245 -
5246 +#include <linux/const.h>
5247 #include <asm/mman.h>
5248 #include <asm/page.h>
5249 #include <asm/processor.h>
5250 @@ -142,6 +142,17 @@
5251 #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
5252 #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
5253 #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX)
5254 +
5255 +#ifdef CONFIG_PAX_PAGEEXEC
5256 +# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW)
5257 +# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
5258 +# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R)
5259 +#else
5260 +# define PAGE_SHARED_NOEXEC PAGE_SHARED
5261 +# define PAGE_READONLY_NOEXEC PAGE_READONLY
5262 +# define PAGE_COPY_NOEXEC PAGE_COPY
5263 +#endif
5264 +
5265 #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX)
5266 #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX)
5267 #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX)
5268 diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
5269 index 45698cd..e8e2dbc 100644
5270 --- a/arch/ia64/include/asm/spinlock.h
5271 +++ b/arch/ia64/include/asm/spinlock.h
5272 @@ -71,7 +71,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
5273 unsigned short *p = (unsigned short *)&lock->lock + 1, tmp;
5274
5275 asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
5276 - ACCESS_ONCE(*p) = (tmp + 2) & ~1;
5277 + ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1;
5278 }
5279
5280 static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock)
5281 diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
5282 index 449c8c0..3d4b1e9 100644
5283 --- a/arch/ia64/include/asm/uaccess.h
5284 +++ b/arch/ia64/include/asm/uaccess.h
5285 @@ -70,6 +70,7 @@
5286 && ((segment).seg == KERNEL_DS.seg \
5287 || likely(REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))); \
5288 })
5289 +#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size))
5290 #define access_ok(type, addr, size) __access_ok((addr), (size), get_fs())
5291
5292 /*
5293 @@ -240,12 +241,24 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use
5294 static inline unsigned long
5295 __copy_to_user (void __user *to, const void *from, unsigned long count)
5296 {
5297 + if (count > INT_MAX)
5298 + return count;
5299 +
5300 + if (!__builtin_constant_p(count))
5301 + check_object_size(from, count, true);
5302 +
5303 return __copy_user(to, (__force void __user *) from, count);
5304 }
5305
5306 static inline unsigned long
5307 __copy_from_user (void *to, const void __user *from, unsigned long count)
5308 {
5309 + if (count > INT_MAX)
5310 + return count;
5311 +
5312 + if (!__builtin_constant_p(count))
5313 + check_object_size(to, count, false);
5314 +
5315 return __copy_user((__force void __user *) to, from, count);
5316 }
5317
5318 @@ -255,10 +268,13 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
5319 ({ \
5320 void __user *__cu_to = (to); \
5321 const void *__cu_from = (from); \
5322 - long __cu_len = (n); \
5323 + unsigned long __cu_len = (n); \
5324 \
5325 - if (__access_ok(__cu_to, __cu_len, get_fs())) \
5326 + if (__cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) { \
5327 + if (!__builtin_constant_p(n)) \
5328 + check_object_size(__cu_from, __cu_len, true); \
5329 __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
5330 + } \
5331 __cu_len; \
5332 })
5333
5334 @@ -266,11 +282,14 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
5335 ({ \
5336 void *__cu_to = (to); \
5337 const void __user *__cu_from = (from); \
5338 - long __cu_len = (n); \
5339 + unsigned long __cu_len = (n); \
5340 \
5341 __chk_user_ptr(__cu_from); \
5342 - if (__access_ok(__cu_from, __cu_len, get_fs())) \
5343 + if (__cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) { \
5344 + if (!__builtin_constant_p(n)) \
5345 + check_object_size(__cu_to, __cu_len, false); \
5346 __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \
5347 + } \
5348 __cu_len; \
5349 })
5350
5351 diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
5352 index 24603be..948052d 100644
5353 --- a/arch/ia64/kernel/module.c
5354 +++ b/arch/ia64/kernel/module.c
5355 @@ -307,8 +307,7 @@ plt_target (struct plt_entry *plt)
5356 void
5357 module_free (struct module *mod, void *module_region)
5358 {
5359 - if (mod && mod->arch.init_unw_table &&
5360 - module_region == mod->module_init) {
5361 + if (mod && mod->arch.init_unw_table && module_region == mod->module_init_rx) {
5362 unw_remove_unwind_table(mod->arch.init_unw_table);
5363 mod->arch.init_unw_table = NULL;
5364 }
5365 @@ -494,15 +493,39 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
5366 }
5367
5368 static inline int
5369 +in_init_rx (const struct module *mod, uint64_t addr)
5370 +{
5371 + return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx;
5372 +}
5373 +
5374 +static inline int
5375 +in_init_rw (const struct module *mod, uint64_t addr)
5376 +{
5377 + return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw;
5378 +}
5379 +
5380 +static inline int
5381 in_init (const struct module *mod, uint64_t addr)
5382 {
5383 - return addr - (uint64_t) mod->module_init < mod->init_size;
5384 + return in_init_rx(mod, addr) || in_init_rw(mod, addr);
5385 +}
5386 +
5387 +static inline int
5388 +in_core_rx (const struct module *mod, uint64_t addr)
5389 +{
5390 + return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx;
5391 +}
5392 +
5393 +static inline int
5394 +in_core_rw (const struct module *mod, uint64_t addr)
5395 +{
5396 + return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw;
5397 }
5398
5399 static inline int
5400 in_core (const struct module *mod, uint64_t addr)
5401 {
5402 - return addr - (uint64_t) mod->module_core < mod->core_size;
5403 + return in_core_rx(mod, addr) || in_core_rw(mod, addr);
5404 }
5405
5406 static inline int
5407 @@ -685,7 +708,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
5408 break;
5409
5410 case RV_BDREL:
5411 - val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core);
5412 + if (in_init_rx(mod, val))
5413 + val -= (uint64_t) mod->module_init_rx;
5414 + else if (in_init_rw(mod, val))
5415 + val -= (uint64_t) mod->module_init_rw;
5416 + else if (in_core_rx(mod, val))
5417 + val -= (uint64_t) mod->module_core_rx;
5418 + else if (in_core_rw(mod, val))
5419 + val -= (uint64_t) mod->module_core_rw;
5420 break;
5421
5422 case RV_LTV:
5423 @@ -820,15 +850,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
5424 * addresses have been selected...
5425 */
5426 uint64_t gp;
5427 - if (mod->core_size > MAX_LTOFF)
5428 + if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF)
5429 /*
5430 * This takes advantage of fact that SHF_ARCH_SMALL gets allocated
5431 * at the end of the module.
5432 */
5433 - gp = mod->core_size - MAX_LTOFF / 2;
5434 + gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2;
5435 else
5436 - gp = mod->core_size / 2;
5437 - gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
5438 + gp = (mod->core_size_rx + mod->core_size_rw) / 2;
5439 + gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8);
5440 mod->arch.gp = gp;
5441 DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp);
5442 }
5443 diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
5444 index c39c3cd..3c77738 100644
5445 --- a/arch/ia64/kernel/palinfo.c
5446 +++ b/arch/ia64/kernel/palinfo.c
5447 @@ -980,7 +980,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb,
5448 return NOTIFY_OK;
5449 }
5450
5451 -static struct notifier_block __refdata palinfo_cpu_notifier =
5452 +static struct notifier_block palinfo_cpu_notifier =
5453 {
5454 .notifier_call = palinfo_cpu_callback,
5455 .priority = 0,
5456 diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
5457 index 41e33f8..65180b2a 100644
5458 --- a/arch/ia64/kernel/sys_ia64.c
5459 +++ b/arch/ia64/kernel/sys_ia64.c
5460 @@ -28,6 +28,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
5461 unsigned long align_mask = 0;
5462 struct mm_struct *mm = current->mm;
5463 struct vm_unmapped_area_info info;
5464 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
5465
5466 if (len > RGN_MAP_LIMIT)
5467 return -ENOMEM;
5468 @@ -43,6 +44,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
5469 if (REGION_NUMBER(addr) == RGN_HPAGE)
5470 addr = 0;
5471 #endif
5472 +
5473 +#ifdef CONFIG_PAX_RANDMMAP
5474 + if (mm->pax_flags & MF_PAX_RANDMMAP)
5475 + addr = mm->free_area_cache;
5476 + else
5477 +#endif
5478 +
5479 if (!addr)
5480 addr = TASK_UNMAPPED_BASE;
5481
5482 @@ -61,6 +69,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
5483 info.high_limit = TASK_SIZE;
5484 info.align_mask = align_mask;
5485 info.align_offset = 0;
5486 + info.threadstack_offset = offset;
5487 return vm_unmapped_area(&info);
5488 }
5489
5490 diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
5491 index 84f8a52..7c76178 100644
5492 --- a/arch/ia64/kernel/vmlinux.lds.S
5493 +++ b/arch/ia64/kernel/vmlinux.lds.S
5494 @@ -192,7 +192,7 @@ SECTIONS {
5495 /* Per-cpu data: */
5496 . = ALIGN(PERCPU_PAGE_SIZE);
5497 PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
5498 - __phys_per_cpu_start = __per_cpu_load;
5499 + __phys_per_cpu_start = per_cpu_load;
5500 /*
5501 * ensure percpu data fits
5502 * into percpu page size
5503 diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
5504 index 7225dad..2a7c8256 100644
5505 --- a/arch/ia64/mm/fault.c
5506 +++ b/arch/ia64/mm/fault.c
5507 @@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address)
5508 return pte_present(pte);
5509 }
5510
5511 +#ifdef CONFIG_PAX_PAGEEXEC
5512 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
5513 +{
5514 + unsigned long i;
5515 +
5516 + printk(KERN_ERR "PAX: bytes at PC: ");
5517 + for (i = 0; i < 8; i++) {
5518 + unsigned int c;
5519 + if (get_user(c, (unsigned int *)pc+i))
5520 + printk(KERN_CONT "???????? ");
5521 + else
5522 + printk(KERN_CONT "%08x ", c);
5523 + }
5524 + printk("\n");
5525 +}
5526 +#endif
5527 +
5528 # define VM_READ_BIT 0
5529 # define VM_WRITE_BIT 1
5530 # define VM_EXEC_BIT 2
5531 @@ -151,8 +168,21 @@ retry:
5532 if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE))))
5533 goto bad_area;
5534
5535 - if ((vma->vm_flags & mask) != mask)
5536 + if ((vma->vm_flags & mask) != mask) {
5537 +
5538 +#ifdef CONFIG_PAX_PAGEEXEC
5539 + if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) {
5540 + if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip)
5541 + goto bad_area;
5542 +
5543 + up_read(&mm->mmap_sem);
5544 + pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12);
5545 + do_group_exit(SIGKILL);
5546 + }
5547 +#endif
5548 +
5549 goto bad_area;
5550 + }
5551
5552 /*
5553 * If for any reason at all we couldn't handle the fault, make
5554 diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
5555 index 76069c1..c2aa816 100644
5556 --- a/arch/ia64/mm/hugetlbpage.c
5557 +++ b/arch/ia64/mm/hugetlbpage.c
5558 @@ -149,6 +149,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
5559 unsigned long pgoff, unsigned long flags)
5560 {
5561 struct vm_unmapped_area_info info;
5562 + unsigned long offset = gr_rand_threadstack_offset(current->mm, file, flags);
5563
5564 if (len > RGN_MAP_LIMIT)
5565 return -ENOMEM;
5566 @@ -172,6 +173,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
5567 info.high_limit = HPAGE_REGION_BASE + RGN_MAP_LIMIT;
5568 info.align_mask = PAGE_MASK & (HPAGE_SIZE - 1);
5569 info.align_offset = 0;
5570 + info.threadstack_offset = offset;
5571 return vm_unmapped_area(&info);
5572 }
5573
5574 diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
5575 index 6b33457..88b5124 100644
5576 --- a/arch/ia64/mm/init.c
5577 +++ b/arch/ia64/mm/init.c
5578 @@ -120,6 +120,19 @@ ia64_init_addr_space (void)
5579 vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
5580 vma->vm_end = vma->vm_start + PAGE_SIZE;
5581 vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT;
5582 +
5583 +#ifdef CONFIG_PAX_PAGEEXEC
5584 + if (current->mm->pax_flags & MF_PAX_PAGEEXEC) {
5585 + vma->vm_flags &= ~VM_EXEC;
5586 +
5587 +#ifdef CONFIG_PAX_MPROTECT
5588 + if (current->mm->pax_flags & MF_PAX_MPROTECT)
5589 + vma->vm_flags &= ~VM_MAYEXEC;
5590 +#endif
5591 +
5592 + }
5593 +#endif
5594 +
5595 vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
5596 down_write(&current->mm->mmap_sem);
5597 if (insert_vm_struct(current->mm, vma)) {
5598 @@ -286,7 +299,7 @@ static int __init gate_vma_init(void)
5599 gate_vma.vm_start = FIXADDR_USER_START;
5600 gate_vma.vm_end = FIXADDR_USER_END;
5601 gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
5602 - gate_vma.vm_page_prot = __P101;
5603 + gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
5604
5605 return 0;
5606 }
5607 diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h
5608 index 40b3ee9..8c2c112 100644
5609 --- a/arch/m32r/include/asm/cache.h
5610 +++ b/arch/m32r/include/asm/cache.h
5611 @@ -1,8 +1,10 @@
5612 #ifndef _ASM_M32R_CACHE_H
5613 #define _ASM_M32R_CACHE_H
5614
5615 +#include <linux/const.h>
5616 +
5617 /* L1 cache line size */
5618 #define L1_CACHE_SHIFT 4
5619 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
5620 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5621
5622 #endif /* _ASM_M32R_CACHE_H */
5623 diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
5624 index 82abd15..d95ae5d 100644
5625 --- a/arch/m32r/lib/usercopy.c
5626 +++ b/arch/m32r/lib/usercopy.c
5627 @@ -14,6 +14,9 @@
5628 unsigned long
5629 __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
5630 {
5631 + if ((long)n < 0)
5632 + return n;
5633 +
5634 prefetch(from);
5635 if (access_ok(VERIFY_WRITE, to, n))
5636 __copy_user(to,from,n);
5637 @@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n)
5638 unsigned long
5639 __generic_copy_from_user(void *to, const void __user *from, unsigned long n)
5640 {
5641 + if ((long)n < 0)
5642 + return n;
5643 +
5644 prefetchw(to);
5645 if (access_ok(VERIFY_READ, from, n))
5646 __copy_user_zeroing(to,from,n);
5647 diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
5648 index 0395c51..5f26031 100644
5649 --- a/arch/m68k/include/asm/cache.h
5650 +++ b/arch/m68k/include/asm/cache.h
5651 @@ -4,9 +4,11 @@
5652 #ifndef __ARCH_M68K_CACHE_H
5653 #define __ARCH_M68K_CACHE_H
5654
5655 +#include <linux/const.h>
5656 +
5657 /* bytes per L1 cache line */
5658 #define L1_CACHE_SHIFT 4
5659 -#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT)
5660 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5661
5662 #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
5663
5664 diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h
5665 index c7591e8..ecef036 100644
5666 --- a/arch/metag/include/asm/barrier.h
5667 +++ b/arch/metag/include/asm/barrier.h
5668 @@ -89,7 +89,7 @@ static inline void fence(void)
5669 do { \
5670 compiletime_assert_atomic_type(*p); \
5671 smp_mb(); \
5672 - ACCESS_ONCE(*p) = (v); \
5673 + ACCESS_ONCE_RW(*p) = (v); \
5674 } while (0)
5675
5676 #define smp_load_acquire(p) \
5677 diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c
5678 index 3c32075..ae0ae75 100644
5679 --- a/arch/metag/mm/hugetlbpage.c
5680 +++ b/arch/metag/mm/hugetlbpage.c
5681 @@ -200,6 +200,7 @@ hugetlb_get_unmapped_area_new_pmd(unsigned long len)
5682 info.high_limit = TASK_SIZE;
5683 info.align_mask = PAGE_MASK & HUGEPT_MASK;
5684 info.align_offset = 0;
5685 + info.threadstack_offset = 0;
5686 return vm_unmapped_area(&info);
5687 }
5688
5689 diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
5690 index 4efe96a..60e8699 100644
5691 --- a/arch/microblaze/include/asm/cache.h
5692 +++ b/arch/microblaze/include/asm/cache.h
5693 @@ -13,11 +13,12 @@
5694 #ifndef _ASM_MICROBLAZE_CACHE_H
5695 #define _ASM_MICROBLAZE_CACHE_H
5696
5697 +#include <linux/const.h>
5698 #include <asm/registers.h>
5699
5700 #define L1_CACHE_SHIFT 5
5701 /* word-granular cache in microblaze */
5702 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
5703 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
5704
5705 #define SMP_CACHE_BYTES L1_CACHE_BYTES
5706
5707 diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
5708 index 9536ef9..9333776 100644
5709 --- a/arch/mips/Kconfig
5710 +++ b/arch/mips/Kconfig
5711 @@ -2413,6 +2413,7 @@ source "kernel/Kconfig.preempt"
5712
5713 config KEXEC
5714 bool "Kexec system call"
5715 + depends on !GRKERNSEC_KMEM
5716 help
5717 kexec is a system call that implements the ability to shutdown your
5718 current kernel, and to start another kernel. It is like a reboot
5719 diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c
5720 index 02f2444..506969c 100644
5721 --- a/arch/mips/cavium-octeon/dma-octeon.c
5722 +++ b/arch/mips/cavium-octeon/dma-octeon.c
5723 @@ -199,7 +199,7 @@ static void octeon_dma_free_coherent(struct device *dev, size_t size,
5724 if (dma_release_from_coherent(dev, order, vaddr))
5725 return;
5726
5727 - swiotlb_free_coherent(dev, size, vaddr, dma_handle);
5728 + swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs);
5729 }
5730
5731 static dma_addr_t octeon_unity_phys_to_dma(struct device *dev, phys_addr_t paddr)
5732 diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
5733 index 6dd6bfc..903b0d6 100644
5734 --- a/arch/mips/include/asm/atomic.h
5735 +++ b/arch/mips/include/asm/atomic.h
5736 @@ -21,15 +21,39 @@
5737 #include <asm/cmpxchg.h>
5738 #include <asm/war.h>
5739
5740 +#ifdef CONFIG_GENERIC_ATOMIC64
5741 +#include <asm-generic/atomic64.h>
5742 +#endif
5743 +
5744 #define ATOMIC_INIT(i) { (i) }
5745
5746 +#ifdef CONFIG_64BIT
5747 +#define _ASM_EXTABLE(from, to) \
5748 +" .section __ex_table,\"a\"\n" \
5749 +" .dword " #from ", " #to"\n" \
5750 +" .previous\n"
5751 +#else
5752 +#define _ASM_EXTABLE(from, to) \
5753 +" .section __ex_table,\"a\"\n" \
5754 +" .word " #from ", " #to"\n" \
5755 +" .previous\n"
5756 +#endif
5757 +
5758 /*
5759 * atomic_read - read atomic variable
5760 * @v: pointer of type atomic_t
5761 *
5762 * Atomically reads the value of @v.
5763 */
5764 -#define atomic_read(v) ACCESS_ONCE((v)->counter)
5765 +static inline int atomic_read(const atomic_t *v)
5766 +{
5767 + return ACCESS_ONCE(v->counter);
5768 +}
5769 +
5770 +static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
5771 +{
5772 + return ACCESS_ONCE(v->counter);
5773 +}
5774
5775 /*
5776 * atomic_set - set atomic variable
5777 @@ -38,47 +62,77 @@
5778 *
5779 * Atomically sets the value of @v to @i.
5780 */
5781 -#define atomic_set(v, i) ((v)->counter = (i))
5782 +static inline void atomic_set(atomic_t *v, int i)
5783 +{
5784 + v->counter = i;
5785 +}
5786
5787 -#define ATOMIC_OP(op, c_op, asm_op) \
5788 -static __inline__ void atomic_##op(int i, atomic_t * v) \
5789 +static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
5790 +{
5791 + v->counter = i;
5792 +}
5793 +
5794 +#ifdef CONFIG_PAX_REFCOUNT
5795 +#define __OVERFLOW_POST \
5796 + " b 4f \n" \
5797 + " .set noreorder \n" \
5798 + "3: b 5f \n" \
5799 + " move %0, %1 \n" \
5800 + " .set reorder \n"
5801 +#define __OVERFLOW_EXTABLE \
5802 + "3:\n" \
5803 + _ASM_EXTABLE(2b, 3b)
5804 +#else
5805 +#define __OVERFLOW_POST
5806 +#define __OVERFLOW_EXTABLE
5807 +#endif
5808 +
5809 +#define __ATOMIC_OP(op, suffix, asm_op, extable) \
5810 +static inline void atomic_##op##suffix(int i, atomic##suffix##_t * v) \
5811 { \
5812 if (kernel_uses_llsc && R10000_LLSC_WAR) { \
5813 int temp; \
5814 \
5815 __asm__ __volatile__( \
5816 - " .set arch=r4000 \n" \
5817 - "1: ll %0, %1 # atomic_" #op " \n" \
5818 - " " #asm_op " %0, %2 \n" \
5819 + " .set mips3 \n" \
5820 + "1: ll %0, %1 # atomic_" #op #suffix "\n" \
5821 + "2: " #asm_op " %0, %2 \n" \
5822 " sc %0, %1 \n" \
5823 " beqzl %0, 1b \n" \
5824 + extable \
5825 " .set mips0 \n" \
5826 : "=&r" (temp), "+m" (v->counter) \
5827 : "Ir" (i)); \
5828 } else if (kernel_uses_llsc) { \
5829 int temp; \
5830 \
5831 - do { \
5832 - __asm__ __volatile__( \
5833 - " .set arch=r4000 \n" \
5834 - " ll %0, %1 # atomic_" #op "\n" \
5835 - " " #asm_op " %0, %2 \n" \
5836 - " sc %0, %1 \n" \
5837 - " .set mips0 \n" \
5838 - : "=&r" (temp), "+m" (v->counter) \
5839 - : "Ir" (i)); \
5840 - } while (unlikely(!temp)); \
5841 + __asm__ __volatile__( \
5842 + " .set mips3 \n" \
5843 + " ll %0, %1 # atomic_" #op #suffix "\n" \
5844 + "2: " #asm_op " %0, %2 \n" \
5845 + " sc %0, %1 \n" \
5846 + " beqz %0, 1b \n" \
5847 + extable \
5848 + " .set mips0 \n" \
5849 + : "=&r" (temp), "+m" (v->counter) \
5850 + : "Ir" (i)); \
5851 } else { \
5852 unsigned long flags; \
5853 \
5854 raw_local_irq_save(flags); \
5855 - v->counter c_op i; \
5856 + __asm__ __volatile__( \
5857 + "2: " #asm_op " %0, %1 \n" \
5858 + extable \
5859 + : "+r" (v->counter) : "Ir" (i)); \
5860 raw_local_irq_restore(flags); \
5861 } \
5862 } \
5863
5864 -#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
5865 -static __inline__ int atomic_##op##_return(int i, atomic_t * v) \
5866 +#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, , asm_op##u) \
5867 + __ATOMIC_OP(op, _unchecked, asm_op)
5868 +
5869 +#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op, extable) \
5870 +static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t * v) \
5871 { \
5872 int result; \
5873 \
5874 @@ -88,37 +142,47 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \
5875 int temp; \
5876 \
5877 __asm__ __volatile__( \
5878 - " .set arch=r4000 \n" \
5879 - "1: ll %1, %2 # atomic_" #op "_return \n" \
5880 - " " #asm_op " %0, %1, %3 \n" \
5881 + " .set mips3 \n" \
5882 + "1: ll %1, %2 # atomic_" #op "_return" #suffix "\n" \
5883 + "2: " #asm_op " %0, %1, %3 \n" \
5884 " sc %0, %2 \n" \
5885 " beqzl %0, 1b \n" \
5886 - " " #asm_op " %0, %1, %3 \n" \
5887 + post_op \
5888 + extable \
5889 + "4: " #asm_op " %0, %1, %3 \n" \
5890 + "5: \n" \
5891 " .set mips0 \n" \
5892 : "=&r" (result), "=&r" (temp), "+m" (v->counter) \
5893 : "Ir" (i)); \
5894 } else if (kernel_uses_llsc) { \
5895 int temp; \
5896 \
5897 - do { \
5898 - __asm__ __volatile__( \
5899 - " .set arch=r4000 \n" \
5900 - " ll %1, %2 # atomic_" #op "_return \n" \
5901 - " " #asm_op " %0, %1, %3 \n" \
5902 - " sc %0, %2 \n" \
5903 - " .set mips0 \n" \
5904 - : "=&r" (result), "=&r" (temp), "+m" (v->counter) \
5905 - : "Ir" (i)); \
5906 - } while (unlikely(!result)); \
5907 + __asm__ __volatile__( \
5908 + " .set mips3 \n" \
5909 + "1: ll %1, %2 # atomic_" #op "_return" #suffix "\n" \
5910 + "2: " #asm_op " %0, %1, %3 \n" \
5911 + " sc %0, %2 \n" \
5912 + " beqz %0, 1b \n" \
5913 + post_op \
5914 + extable \
5915 + "4: " #asm_op " %0, %1, %3 \n" \
5916 + "5: \n" \
5917 + " .set mips0 \n" \
5918 + : "=&r" (result), "=&r" (temp), "+m" (v->counter) \
5919 + : "Ir" (i)); \
5920 \
5921 result = temp; result c_op i; \
5922 } else { \
5923 unsigned long flags; \
5924 \
5925 raw_local_irq_save(flags); \
5926 - result = v->counter; \
5927 - result c_op i; \
5928 - v->counter = result; \
5929 + __asm__ __volatile__( \
5930 + " lw %0, %1 \n" \
5931 + "2: " #asm_op " %0, %1, %2 \n" \
5932 + " sw %0, %1 \n" \
5933 + "3: \n" \
5934 + extable \
5935 + : "=&r" (result), "+m" (v->counter) : "Ir" (i)); \
5936 raw_local_irq_restore(flags); \
5937 } \
5938 \
5939 @@ -127,16 +191,21 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \
5940 return result; \
5941 }
5942
5943 -#define ATOMIC_OPS(op, c_op, asm_op) \
5944 - ATOMIC_OP(op, c_op, asm_op) \
5945 - ATOMIC_OP_RETURN(op, c_op, asm_op)
5946 +#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, , asm_op##u, , __OVERFLOW_EXTABLE) \
5947 + __ATOMIC_OP_RETURN(op, _unchecked, asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE)
5948
5949 -ATOMIC_OPS(add, +=, addu)
5950 -ATOMIC_OPS(sub, -=, subu)
5951 +#define ATOMIC_OPS(op, asm_op) \
5952 + ATOMIC_OP(op, asm_op) \
5953 + ATOMIC_OP_RETURN(op, asm_op)
5954 +
5955 +ATOMIC_OPS(add, add)
5956 +ATOMIC_OPS(sub, sub)
5957
5958 #undef ATOMIC_OPS
5959 #undef ATOMIC_OP_RETURN
5960 +#undef __ATOMIC_OP_RETURN
5961 #undef ATOMIC_OP
5962 +#undef __ATOMIC_OP
5963
5964 /*
5965 * atomic_sub_if_positive - conditionally subtract integer from atomic variable
5966 @@ -146,7 +215,7 @@ ATOMIC_OPS(sub, -=, subu)
5967 * Atomically test @v and subtract @i if @v is greater or equal than @i.
5968 * The function returns the old value of @v minus @i.
5969 */
5970 -static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
5971 +static __inline__ int atomic_sub_if_positive(int i, atomic_t *v)
5972 {
5973 int result;
5974
5975 @@ -203,8 +272,26 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
5976 return result;
5977 }
5978
5979 -#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
5980 -#define atomic_xchg(v, new) (xchg(&((v)->counter), (new)))
5981 +static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
5982 +{
5983 + return cmpxchg(&v->counter, old, new);
5984 +}
5985 +
5986 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old,
5987 + int new)
5988 +{
5989 + return cmpxchg(&(v->counter), old, new);
5990 +}
5991 +
5992 +static inline int atomic_xchg(atomic_t *v, int new)
5993 +{
5994 + return xchg(&v->counter, new);
5995 +}
5996 +
5997 +static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
5998 +{
5999 + return xchg(&(v->counter), new);
6000 +}
6001
6002 /**
6003 * __atomic_add_unless - add unless the number is a given value
6004 @@ -232,6 +319,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
6005
6006 #define atomic_dec_return(v) atomic_sub_return(1, (v))
6007 #define atomic_inc_return(v) atomic_add_return(1, (v))
6008 +static __inline__ int atomic_inc_return_unchecked(atomic_unchecked_t *v)
6009 +{
6010 + return atomic_add_return_unchecked(1, v);
6011 +}
6012
6013 /*
6014 * atomic_sub_and_test - subtract value from variable and test result
6015 @@ -253,6 +344,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
6016 * other cases.
6017 */
6018 #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
6019 +static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
6020 +{
6021 + return atomic_add_return_unchecked(1, v) == 0;
6022 +}
6023
6024 /*
6025 * atomic_dec_and_test - decrement by 1 and test
6026 @@ -277,6 +372,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
6027 * Atomically increments @v by 1.
6028 */
6029 #define atomic_inc(v) atomic_add(1, (v))
6030 +static __inline__ void atomic_inc_unchecked(atomic_unchecked_t *v)
6031 +{
6032 + atomic_add_unchecked(1, v);
6033 +}
6034
6035 /*
6036 * atomic_dec - decrement and test
6037 @@ -285,6 +384,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
6038 * Atomically decrements @v by 1.
6039 */
6040 #define atomic_dec(v) atomic_sub(1, (v))
6041 +static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v)
6042 +{
6043 + atomic_sub_unchecked(1, v);
6044 +}
6045
6046 /*
6047 * atomic_add_negative - add and test if negative
6048 @@ -306,54 +409,77 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
6049 * @v: pointer of type atomic64_t
6050 *
6051 */
6052 -#define atomic64_read(v) ACCESS_ONCE((v)->counter)
6053 +static inline long atomic64_read(const atomic64_t *v)
6054 +{
6055 + return ACCESS_ONCE(v->counter);
6056 +}
6057 +
6058 +static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
6059 +{
6060 + return ACCESS_ONCE(v->counter);
6061 +}
6062
6063 /*
6064 * atomic64_set - set atomic variable
6065 * @v: pointer of type atomic64_t
6066 * @i: required value
6067 */
6068 -#define atomic64_set(v, i) ((v)->counter = (i))
6069 +static inline void atomic64_set(atomic64_t *v, long i)
6070 +{
6071 + v->counter = i;
6072 +}
6073
6074 -#define ATOMIC64_OP(op, c_op, asm_op) \
6075 -static __inline__ void atomic64_##op(long i, atomic64_t * v) \
6076 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
6077 +{
6078 + v->counter = i;
6079 +}
6080 +
6081 +#define __ATOMIC64_OP(op, suffix, asm_op, extable) \
6082 +static inline void atomic64_##op##suffix(long i, atomic64##suffix##_t * v) \
6083 { \
6084 if (kernel_uses_llsc && R10000_LLSC_WAR) { \
6085 long temp; \
6086 \
6087 __asm__ __volatile__( \
6088 - " .set arch=r4000 \n" \
6089 - "1: lld %0, %1 # atomic64_" #op " \n" \
6090 - " " #asm_op " %0, %2 \n" \
6091 + " .set mips3 \n" \
6092 + "1: lld %0, %1 # atomic64_" #op #suffix "\n" \
6093 + "2: " #asm_op " %0, %2 \n" \
6094 " scd %0, %1 \n" \
6095 " beqzl %0, 1b \n" \
6096 + extable \
6097 " .set mips0 \n" \
6098 : "=&r" (temp), "+m" (v->counter) \
6099 : "Ir" (i)); \
6100 } else if (kernel_uses_llsc) { \
6101 long temp; \
6102 \
6103 - do { \
6104 - __asm__ __volatile__( \
6105 - " .set arch=r4000 \n" \
6106 - " lld %0, %1 # atomic64_" #op "\n" \
6107 - " " #asm_op " %0, %2 \n" \
6108 - " scd %0, %1 \n" \
6109 - " .set mips0 \n" \
6110 - : "=&r" (temp), "+m" (v->counter) \
6111 - : "Ir" (i)); \
6112 - } while (unlikely(!temp)); \
6113 + __asm__ __volatile__( \
6114 + " .set mips3 \n" \
6115 + " lld %0, %1 # atomic64_" #op #suffix "\n" \
6116 + "2: " #asm_op " %0, %2 \n" \
6117 + " scd %0, %1 \n" \
6118 + " beqz %0, 1b \n" \
6119 + extable \
6120 + " .set mips0 \n" \
6121 + : "=&r" (temp), "+m" (v->counter) \
6122 + : "Ir" (i)); \
6123 } else { \
6124 unsigned long flags; \
6125 \
6126 raw_local_irq_save(flags); \
6127 - v->counter c_op i; \
6128 + __asm__ __volatile__( \
6129 + "2: " #asm_op " %0, %1 \n" \
6130 + extable \
6131 + : "+r" (v->counter) : "Ir" (i)); \
6132 raw_local_irq_restore(flags); \
6133 } \
6134 } \
6135
6136 -#define ATOMIC64_OP_RETURN(op, c_op, asm_op) \
6137 -static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
6138 +#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, , asm_op##u) \
6139 + __ATOMIC64_OP(op, _unchecked, asm_op)
6140 +
6141 +#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op, extable) \
6142 +static inline long atomic64_##op##_return##suffix(long i, atomic64##suffix##_t * v)\
6143 { \
6144 long result; \
6145 \
6146 @@ -363,38 +489,48 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
6147 long temp; \
6148 \
6149 __asm__ __volatile__( \
6150 - " .set arch=r4000 \n" \
6151 + " .set mips3 \n" \
6152 "1: lld %1, %2 # atomic64_" #op "_return\n" \
6153 - " " #asm_op " %0, %1, %3 \n" \
6154 + "2: " #asm_op " %0, %1, %3 \n" \
6155 " scd %0, %2 \n" \
6156 " beqzl %0, 1b \n" \
6157 - " " #asm_op " %0, %1, %3 \n" \
6158 + post_op \
6159 + extable \
6160 + "4: " #asm_op " %0, %1, %3 \n" \
6161 + "5: \n" \
6162 " .set mips0 \n" \
6163 : "=&r" (result), "=&r" (temp), "+m" (v->counter) \
6164 : "Ir" (i)); \
6165 } else if (kernel_uses_llsc) { \
6166 long temp; \
6167 \
6168 - do { \
6169 - __asm__ __volatile__( \
6170 - " .set arch=r4000 \n" \
6171 - " lld %1, %2 # atomic64_" #op "_return\n" \
6172 - " " #asm_op " %0, %1, %3 \n" \
6173 - " scd %0, %2 \n" \
6174 - " .set mips0 \n" \
6175 - : "=&r" (result), "=&r" (temp), "=m" (v->counter) \
6176 - : "Ir" (i), "m" (v->counter) \
6177 - : "memory"); \
6178 - } while (unlikely(!result)); \
6179 + __asm__ __volatile__( \
6180 + " .set mips3 \n" \
6181 + "1: lld %1, %2 # atomic64_" #op "_return" #suffix "\n" \
6182 + "2: " #asm_op " %0, %1, %3 \n" \
6183 + " scd %0, %2 \n" \
6184 + " beqz %0, 1b \n" \
6185 + post_op \
6186 + extable \
6187 + "4: " #asm_op " %0, %1, %3 \n" \
6188 + "5: \n" \
6189 + " .set mips0 \n" \
6190 + : "=&r" (result), "=&r" (temp), "=m" (v->counter) \
6191 + : "Ir" (i), "m" (v->counter) \
6192 + : "memory"); \
6193 \
6194 result = temp; result c_op i; \
6195 } else { \
6196 unsigned long flags; \
6197 \
6198 raw_local_irq_save(flags); \
6199 - result = v->counter; \
6200 - result c_op i; \
6201 - v->counter = result; \
6202 + __asm__ __volatile__( \
6203 + " ld %0, %1 \n" \
6204 + "2: " #asm_op " %0, %1, %2 \n" \
6205 + " sd %0, %1 \n" \
6206 + "3: \n" \
6207 + extable \
6208 + : "=&r" (result), "+m" (v->counter) : "Ir" (i)); \
6209 raw_local_irq_restore(flags); \
6210 } \
6211 \
6212 @@ -403,16 +539,23 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
6213 return result; \
6214 }
6215
6216 -#define ATOMIC64_OPS(op, c_op, asm_op) \
6217 - ATOMIC64_OP(op, c_op, asm_op) \
6218 - ATOMIC64_OP_RETURN(op, c_op, asm_op)
6219 +#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, , asm_op##u, , __OVERFLOW_EXTABLE) \
6220 + __ATOMIC64_OP_RETURN(op, _unchecked, asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE)
6221
6222 -ATOMIC64_OPS(add, +=, daddu)
6223 -ATOMIC64_OPS(sub, -=, dsubu)
6224 +#define ATOMIC64_OPS(op, asm_op) \
6225 + ATOMIC64_OP(op, asm_op) \
6226 + ATOMIC64_OP_RETURN(op, asm_op)
6227 +
6228 +ATOMIC64_OPS(add, dadd)
6229 +ATOMIC64_OPS(sub, dsub)
6230
6231 #undef ATOMIC64_OPS
6232 #undef ATOMIC64_OP_RETURN
6233 +#undef __ATOMIC64_OP_RETURN
6234 #undef ATOMIC64_OP
6235 +#undef __ATOMIC64_OP
6236 +#undef __OVERFLOW_EXTABLE
6237 +#undef __OVERFLOW_POST
6238
6239 /*
6240 * atomic64_sub_if_positive - conditionally subtract integer from atomic variable
6241 @@ -422,7 +565,7 @@ ATOMIC64_OPS(sub, -=, dsubu)
6242 * Atomically test @v and subtract @i if @v is greater or equal than @i.
6243 * The function returns the old value of @v minus @i.
6244 */
6245 -static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
6246 +static __inline__ long atomic64_sub_if_positive(long i, atomic64_t *v)
6247 {
6248 long result;
6249
6250 @@ -479,9 +622,26 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
6251 return result;
6252 }
6253
6254 -#define atomic64_cmpxchg(v, o, n) \
6255 - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
6256 -#define atomic64_xchg(v, new) (xchg(&((v)->counter), (new)))
6257 +static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
6258 +{
6259 + return cmpxchg(&v->counter, old, new);
6260 +}
6261 +
6262 +static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old,
6263 + long new)
6264 +{
6265 + return cmpxchg(&(v->counter), old, new);
6266 +}
6267 +
6268 +static inline long atomic64_xchg(atomic64_t *v, long new)
6269 +{
6270 + return xchg(&v->counter, new);
6271 +}
6272 +
6273 +static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new)
6274 +{
6275 + return xchg(&(v->counter), new);
6276 +}
6277
6278 /**
6279 * atomic64_add_unless - add unless the number is a given value
6280 @@ -511,6 +671,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
6281
6282 #define atomic64_dec_return(v) atomic64_sub_return(1, (v))
6283 #define atomic64_inc_return(v) atomic64_add_return(1, (v))
6284 +#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1, (v))
6285
6286 /*
6287 * atomic64_sub_and_test - subtract value from variable and test result
6288 @@ -532,6 +693,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
6289 * other cases.
6290 */
6291 #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
6292 +#define atomic64_inc_and_test_unchecked(v) atomic64_add_return_unchecked(1, (v)) == 0)
6293
6294 /*
6295 * atomic64_dec_and_test - decrement by 1 and test
6296 @@ -556,6 +718,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
6297 * Atomically increments @v by 1.
6298 */
6299 #define atomic64_inc(v) atomic64_add(1, (v))
6300 +#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1, (v))
6301
6302 /*
6303 * atomic64_dec - decrement and test
6304 @@ -564,6 +727,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
6305 * Atomically decrements @v by 1.
6306 */
6307 #define atomic64_dec(v) atomic64_sub(1, (v))
6308 +#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1, (v))
6309
6310 /*
6311 * atomic64_add_negative - add and test if negative
6312 diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h
6313 index d0101dd..266982c 100644
6314 --- a/arch/mips/include/asm/barrier.h
6315 +++ b/arch/mips/include/asm/barrier.h
6316 @@ -184,7 +184,7 @@
6317 do { \
6318 compiletime_assert_atomic_type(*p); \
6319 smp_mb(); \
6320 - ACCESS_ONCE(*p) = (v); \
6321 + ACCESS_ONCE_RW(*p) = (v); \
6322 } while (0)
6323
6324 #define smp_load_acquire(p) \
6325 diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
6326 index b4db69f..8f3b093 100644
6327 --- a/arch/mips/include/asm/cache.h
6328 +++ b/arch/mips/include/asm/cache.h
6329 @@ -9,10 +9,11 @@
6330 #ifndef _ASM_CACHE_H
6331 #define _ASM_CACHE_H
6332
6333 +#include <linux/const.h>
6334 #include <kmalloc.h>
6335
6336 #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT
6337 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
6338 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
6339
6340 #define SMP_CACHE_SHIFT L1_CACHE_SHIFT
6341 #define SMP_CACHE_BYTES L1_CACHE_BYTES
6342 diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
6343 index 1d38fe0..9beabc9 100644
6344 --- a/arch/mips/include/asm/elf.h
6345 +++ b/arch/mips/include/asm/elf.h
6346 @@ -381,13 +381,16 @@ extern const char *__elf_platform;
6347 #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
6348 #endif
6349
6350 +#ifdef CONFIG_PAX_ASLR
6351 +#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
6352 +
6353 +#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6354 +#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6355 +#endif
6356 +
6357 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
6358 struct linux_binprm;
6359 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
6360 int uses_interp);
6361
6362 -struct mm_struct;
6363 -extern unsigned long arch_randomize_brk(struct mm_struct *mm);
6364 -#define arch_randomize_brk arch_randomize_brk
6365 -
6366 #endif /* _ASM_ELF_H */
6367 diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h
6368 index c1f6afa..38cc6e9 100644
6369 --- a/arch/mips/include/asm/exec.h
6370 +++ b/arch/mips/include/asm/exec.h
6371 @@ -12,6 +12,6 @@
6372 #ifndef _ASM_EXEC_H
6373 #define _ASM_EXEC_H
6374
6375 -extern unsigned long arch_align_stack(unsigned long sp);
6376 +#define arch_align_stack(x) ((x) & ~0xfUL)
6377
6378 #endif /* _ASM_EXEC_H */
6379 diff --git a/arch/mips/include/asm/hw_irq.h b/arch/mips/include/asm/hw_irq.h
6380 index 9e8ef59..1139d6b 100644
6381 --- a/arch/mips/include/asm/hw_irq.h
6382 +++ b/arch/mips/include/asm/hw_irq.h
6383 @@ -10,7 +10,7 @@
6384
6385 #include <linux/atomic.h>
6386
6387 -extern atomic_t irq_err_count;
6388 +extern atomic_unchecked_t irq_err_count;
6389
6390 /*
6391 * interrupt-retrigger: NOP for now. This may not be appropriate for all
6392 diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
6393 index 46dfc3c..a16b13a 100644
6394 --- a/arch/mips/include/asm/local.h
6395 +++ b/arch/mips/include/asm/local.h
6396 @@ -12,15 +12,25 @@ typedef struct
6397 atomic_long_t a;
6398 } local_t;
6399
6400 +typedef struct {
6401 + atomic_long_unchecked_t a;
6402 +} local_unchecked_t;
6403 +
6404 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
6405
6406 #define local_read(l) atomic_long_read(&(l)->a)
6407 +#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a)
6408 #define local_set(l, i) atomic_long_set(&(l)->a, (i))
6409 +#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i))
6410
6411 #define local_add(i, l) atomic_long_add((i), (&(l)->a))
6412 +#define local_add_unchecked(i, l) atomic_long_add_unchecked((i), (&(l)->a))
6413 #define local_sub(i, l) atomic_long_sub((i), (&(l)->a))
6414 +#define local_sub_unchecked(i, l) atomic_long_sub_unchecked((i), (&(l)->a))
6415 #define local_inc(l) atomic_long_inc(&(l)->a)
6416 +#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a)
6417 #define local_dec(l) atomic_long_dec(&(l)->a)
6418 +#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a)
6419
6420 /*
6421 * Same as above, but return the result value
6422 @@ -70,6 +80,51 @@ static __inline__ long local_add_return(long i, local_t * l)
6423 return result;
6424 }
6425
6426 +static __inline__ long local_add_return_unchecked(long i, local_unchecked_t * l)
6427 +{
6428 + unsigned long result;
6429 +
6430 + if (kernel_uses_llsc && R10000_LLSC_WAR) {
6431 + unsigned long temp;
6432 +
6433 + __asm__ __volatile__(
6434 + " .set mips3 \n"
6435 + "1:" __LL "%1, %2 # local_add_return \n"
6436 + " addu %0, %1, %3 \n"
6437 + __SC "%0, %2 \n"
6438 + " beqzl %0, 1b \n"
6439 + " addu %0, %1, %3 \n"
6440 + " .set mips0 \n"
6441 + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter)
6442 + : "Ir" (i), "m" (l->a.counter)
6443 + : "memory");
6444 + } else if (kernel_uses_llsc) {
6445 + unsigned long temp;
6446 +
6447 + __asm__ __volatile__(
6448 + " .set mips3 \n"
6449 + "1:" __LL "%1, %2 # local_add_return \n"
6450 + " addu %0, %1, %3 \n"
6451 + __SC "%0, %2 \n"
6452 + " beqz %0, 1b \n"
6453 + " addu %0, %1, %3 \n"
6454 + " .set mips0 \n"
6455 + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter)
6456 + : "Ir" (i), "m" (l->a.counter)
6457 + : "memory");
6458 + } else {
6459 + unsigned long flags;
6460 +
6461 + local_irq_save(flags);
6462 + result = l->a.counter;
6463 + result += i;
6464 + l->a.counter = result;
6465 + local_irq_restore(flags);
6466 + }
6467 +
6468 + return result;
6469 +}
6470 +
6471 static __inline__ long local_sub_return(long i, local_t * l)
6472 {
6473 unsigned long result;
6474 @@ -117,6 +172,8 @@ static __inline__ long local_sub_return(long i, local_t * l)
6475
6476 #define local_cmpxchg(l, o, n) \
6477 ((long)cmpxchg_local(&((l)->a.counter), (o), (n)))
6478 +#define local_cmpxchg_unchecked(l, o, n) \
6479 + ((long)cmpxchg_local(&((l)->a.counter), (o), (n)))
6480 #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n)))
6481
6482 /**
6483 diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
6484 index 3be8180..c4798d5 100644
6485 --- a/arch/mips/include/asm/page.h
6486 +++ b/arch/mips/include/asm/page.h
6487 @@ -120,7 +120,7 @@ extern void copy_user_highpage(struct page *to, struct page *from,
6488 #ifdef CONFIG_CPU_MIPS32
6489 typedef struct { unsigned long pte_low, pte_high; } pte_t;
6490 #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
6491 - #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
6492 + #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; })
6493 #else
6494 typedef struct { unsigned long long pte; } pte_t;
6495 #define pte_val(x) ((x).pte)
6496 diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
6497 index b336037..5b874cc 100644
6498 --- a/arch/mips/include/asm/pgalloc.h
6499 +++ b/arch/mips/include/asm/pgalloc.h
6500 @@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
6501 {
6502 set_pud(pud, __pud((unsigned long)pmd));
6503 }
6504 +
6505 +static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
6506 +{
6507 + pud_populate(mm, pud, pmd);
6508 +}
6509 #endif
6510
6511 /*
6512 diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
6513 index d6d1928..ce4f822 100644
6514 --- a/arch/mips/include/asm/pgtable.h
6515 +++ b/arch/mips/include/asm/pgtable.h
6516 @@ -20,6 +20,9 @@
6517 #include <asm/io.h>
6518 #include <asm/pgtable-bits.h>
6519
6520 +#define ktla_ktva(addr) (addr)
6521 +#define ktva_ktla(addr) (addr)
6522 +
6523 struct mm_struct;
6524 struct vm_area_struct;
6525
6526 diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
6527 index 7de8658..c109224 100644
6528 --- a/arch/mips/include/asm/thread_info.h
6529 +++ b/arch/mips/include/asm/thread_info.h
6530 @@ -105,6 +105,9 @@ static inline struct thread_info *current_thread_info(void)
6531 #define TIF_SECCOMP 4 /* secure computing */
6532 #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
6533 #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
6534 +/* li takes a 32bit immediate */
6535 +#define TIF_GRSEC_SETXID 10 /* update credentials on syscall entry/exit */
6536 +
6537 #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
6538 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */
6539 #define TIF_NOHZ 19 /* in adaptive nohz mode */
6540 @@ -138,14 +141,16 @@ static inline struct thread_info *current_thread_info(void)
6541 #define _TIF_USEDMSA (1<<TIF_USEDMSA)
6542 #define _TIF_MSA_CTX_LIVE (1<<TIF_MSA_CTX_LIVE)
6543 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
6544 +#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
6545
6546 #define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
6547 _TIF_SYSCALL_AUDIT | \
6548 - _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP)
6549 + _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \
6550 + _TIF_GRSEC_SETXID)
6551
6552 /* work to do in syscall_trace_leave() */
6553 #define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
6554 - _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
6555 + _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
6556
6557 /* work to do on interrupt/exception return */
6558 #define _TIF_WORK_MASK \
6559 @@ -153,7 +158,7 @@ static inline struct thread_info *current_thread_info(void)
6560 /* work to do on any return to u-space */
6561 #define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \
6562 _TIF_WORK_SYSCALL_EXIT | \
6563 - _TIF_SYSCALL_TRACEPOINT)
6564 + _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
6565
6566 /*
6567 * We stash processor id into a COP0 register to retrieve it fast
6568 diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
6569 index 22a5624..7c96295 100644
6570 --- a/arch/mips/include/asm/uaccess.h
6571 +++ b/arch/mips/include/asm/uaccess.h
6572 @@ -130,6 +130,7 @@ extern u64 __ua_limit;
6573 __ok == 0; \
6574 })
6575
6576 +#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size))
6577 #define access_ok(type, addr, size) \
6578 likely(__access_ok((addr), (size), __access_mask))
6579
6580 diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
6581 index 1188e00..41cf144 100644
6582 --- a/arch/mips/kernel/binfmt_elfn32.c
6583 +++ b/arch/mips/kernel/binfmt_elfn32.c
6584 @@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
6585 #undef ELF_ET_DYN_BASE
6586 #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
6587
6588 +#ifdef CONFIG_PAX_ASLR
6589 +#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
6590 +
6591 +#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6592 +#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6593 +#endif
6594 +
6595 #include <asm/processor.h>
6596 #include <linux/module.h>
6597 #include <linux/elfcore.h>
6598 diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
6599 index 9287678..f870e47 100644
6600 --- a/arch/mips/kernel/binfmt_elfo32.c
6601 +++ b/arch/mips/kernel/binfmt_elfo32.c
6602 @@ -70,6 +70,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
6603 #undef ELF_ET_DYN_BASE
6604 #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
6605
6606 +#ifdef CONFIG_PAX_ASLR
6607 +#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL)
6608 +
6609 +#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6610 +#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT)
6611 +#endif
6612 +
6613 #include <asm/processor.h>
6614
6615 #include <linux/module.h>
6616 diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
6617 index 50b3648..c2f3cec 100644
6618 --- a/arch/mips/kernel/i8259.c
6619 +++ b/arch/mips/kernel/i8259.c
6620 @@ -201,7 +201,7 @@ spurious_8259A_irq:
6621 printk(KERN_DEBUG "spurious 8259A interrupt: IRQ%d.\n", irq);
6622 spurious_irq_mask |= irqmask;
6623 }
6624 - atomic_inc(&irq_err_count);
6625 + atomic_inc_unchecked(&irq_err_count);
6626 /*
6627 * Theoretically we do not have to handle this IRQ,
6628 * but in Linux this does not cause problems and is
6629 diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c
6630 index 44a1f79..2bd6aa3 100644
6631 --- a/arch/mips/kernel/irq-gt641xx.c
6632 +++ b/arch/mips/kernel/irq-gt641xx.c
6633 @@ -110,7 +110,7 @@ void gt641xx_irq_dispatch(void)
6634 }
6635 }
6636
6637 - atomic_inc(&irq_err_count);
6638 + atomic_inc_unchecked(&irq_err_count);
6639 }
6640
6641 void __init gt641xx_irq_init(void)
6642 diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
6643 index d2bfbc2..a8eacd2 100644
6644 --- a/arch/mips/kernel/irq.c
6645 +++ b/arch/mips/kernel/irq.c
6646 @@ -76,17 +76,17 @@ void ack_bad_irq(unsigned int irq)
6647 printk("unexpected IRQ # %d\n", irq);
6648 }
6649
6650 -atomic_t irq_err_count;
6651 +atomic_unchecked_t irq_err_count;
6652
6653 int arch_show_interrupts(struct seq_file *p, int prec)
6654 {
6655 - seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
6656 + seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count));
6657 return 0;
6658 }
6659
6660 asmlinkage void spurious_interrupt(void)
6661 {
6662 - atomic_inc(&irq_err_count);
6663 + atomic_inc_unchecked(&irq_err_count);
6664 }
6665
6666 void __init init_IRQ(void)
6667 @@ -109,7 +109,10 @@ void __init init_IRQ(void)
6668 #endif
6669 }
6670
6671 +
6672 #ifdef DEBUG_STACKOVERFLOW
6673 +extern void gr_handle_kernel_exploit(void);
6674 +
6675 static inline void check_stack_overflow(void)
6676 {
6677 unsigned long sp;
6678 @@ -125,6 +128,7 @@ static inline void check_stack_overflow(void)
6679 printk("do_IRQ: stack overflow: %ld\n",
6680 sp - sizeof(struct thread_info));
6681 dump_stack();
6682 + gr_handle_kernel_exploit();
6683 }
6684 }
6685 #else
6686 diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c
6687 index 0614717..002fa43 100644
6688 --- a/arch/mips/kernel/pm-cps.c
6689 +++ b/arch/mips/kernel/pm-cps.c
6690 @@ -172,7 +172,7 @@ int cps_pm_enter_state(enum cps_pm_state state)
6691 nc_core_ready_count = nc_addr;
6692
6693 /* Ensure ready_count is zero-initialised before the assembly runs */
6694 - ACCESS_ONCE(*nc_core_ready_count) = 0;
6695 + ACCESS_ONCE_RW(*nc_core_ready_count) = 0;
6696 coupled_barrier(&per_cpu(pm_barrier, core), online);
6697
6698 /* Run the generated entry code */
6699 diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
6700 index 636b074..8fbb91f 100644
6701 --- a/arch/mips/kernel/process.c
6702 +++ b/arch/mips/kernel/process.c
6703 @@ -520,15 +520,3 @@ unsigned long get_wchan(struct task_struct *task)
6704 out:
6705 return pc;
6706 }
6707 -
6708 -/*
6709 - * Don't forget that the stack pointer must be aligned on a 8 bytes
6710 - * boundary for 32-bits ABI and 16 bytes for 64-bits ABI.
6711 - */
6712 -unsigned long arch_align_stack(unsigned long sp)
6713 -{
6714 - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
6715 - sp -= get_random_int() & ~PAGE_MASK;
6716 -
6717 - return sp & ALMASK;
6718 -}
6719 diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
6720 index 9d1487d..10c5da5 100644
6721 --- a/arch/mips/kernel/ptrace.c
6722 +++ b/arch/mips/kernel/ptrace.c
6723 @@ -761,6 +761,10 @@ long arch_ptrace(struct task_struct *child, long request,
6724 return ret;
6725 }
6726
6727 +#ifdef CONFIG_GRKERNSEC_SETXID
6728 +extern void gr_delayed_cred_worker(void);
6729 +#endif
6730 +
6731 /*
6732 * Notification of system call entry/exit
6733 * - triggered by current->work.syscall_trace
6734 @@ -777,6 +781,11 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
6735 tracehook_report_syscall_entry(regs))
6736 ret = -1;
6737
6738 +#ifdef CONFIG_GRKERNSEC_SETXID
6739 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
6740 + gr_delayed_cred_worker();
6741 +#endif
6742 +
6743 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
6744 trace_sys_enter(regs, regs->regs[2]);
6745
6746 diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
6747 index 07fc524..b9d7f28 100644
6748 --- a/arch/mips/kernel/reset.c
6749 +++ b/arch/mips/kernel/reset.c
6750 @@ -13,6 +13,7 @@
6751 #include <linux/reboot.h>
6752
6753 #include <asm/reboot.h>
6754 +#include <asm/bug.h>
6755
6756 /*
6757 * Urgs ... Too many MIPS machines to handle this in a generic way.
6758 @@ -29,16 +30,19 @@ void machine_restart(char *command)
6759 {
6760 if (_machine_restart)
6761 _machine_restart(command);
6762 + BUG();
6763 }
6764
6765 void machine_halt(void)
6766 {
6767 if (_machine_halt)
6768 _machine_halt();
6769 + BUG();
6770 }
6771
6772 void machine_power_off(void)
6773 {
6774 if (pm_power_off)
6775 pm_power_off();
6776 + BUG();
6777 }
6778 diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
6779 index 2242bdd..b284048 100644
6780 --- a/arch/mips/kernel/sync-r4k.c
6781 +++ b/arch/mips/kernel/sync-r4k.c
6782 @@ -18,8 +18,8 @@
6783 #include <asm/mipsregs.h>
6784
6785 static atomic_t count_start_flag = ATOMIC_INIT(0);
6786 -static atomic_t count_count_start = ATOMIC_INIT(0);
6787 -static atomic_t count_count_stop = ATOMIC_INIT(0);
6788 +static atomic_unchecked_t count_count_start = ATOMIC_INIT(0);
6789 +static atomic_unchecked_t count_count_stop = ATOMIC_INIT(0);
6790 static atomic_t count_reference = ATOMIC_INIT(0);
6791
6792 #define COUNTON 100
6793 @@ -58,13 +58,13 @@ void synchronise_count_master(int cpu)
6794
6795 for (i = 0; i < NR_LOOPS; i++) {
6796 /* slaves loop on '!= 2' */
6797 - while (atomic_read(&count_count_start) != 1)
6798 + while (atomic_read_unchecked(&count_count_start) != 1)
6799 mb();
6800 - atomic_set(&count_count_stop, 0);
6801 + atomic_set_unchecked(&count_count_stop, 0);
6802 smp_wmb();
6803
6804 /* this lets the slaves write their count register */
6805 - atomic_inc(&count_count_start);
6806 + atomic_inc_unchecked(&count_count_start);
6807
6808 /*
6809 * Everyone initialises count in the last loop:
6810 @@ -75,11 +75,11 @@ void synchronise_count_master(int cpu)
6811 /*
6812 * Wait for all slaves to leave the synchronization point:
6813 */
6814 - while (atomic_read(&count_count_stop) != 1)
6815 + while (atomic_read_unchecked(&count_count_stop) != 1)
6816 mb();
6817 - atomic_set(&count_count_start, 0);
6818 + atomic_set_unchecked(&count_count_start, 0);
6819 smp_wmb();
6820 - atomic_inc(&count_count_stop);
6821 + atomic_inc_unchecked(&count_count_stop);
6822 }
6823 /* Arrange for an interrupt in a short while */
6824 write_c0_compare(read_c0_count() + COUNTON);
6825 @@ -112,8 +112,8 @@ void synchronise_count_slave(int cpu)
6826 initcount = atomic_read(&count_reference);
6827
6828 for (i = 0; i < NR_LOOPS; i++) {
6829 - atomic_inc(&count_count_start);
6830 - while (atomic_read(&count_count_start) != 2)
6831 + atomic_inc_unchecked(&count_count_start);
6832 + while (atomic_read_unchecked(&count_count_start) != 2)
6833 mb();
6834
6835 /*
6836 @@ -122,8 +122,8 @@ void synchronise_count_slave(int cpu)
6837 if (i == NR_LOOPS-1)
6838 write_c0_count(initcount);
6839
6840 - atomic_inc(&count_count_stop);
6841 - while (atomic_read(&count_count_stop) != 2)
6842 + atomic_inc_unchecked(&count_count_stop);
6843 + while (atomic_read_unchecked(&count_count_stop) != 2)
6844 mb();
6845 }
6846 /* Arrange for an interrupt in a short while */
6847 diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
6848 index 22b19c2..c5cc8c4 100644
6849 --- a/arch/mips/kernel/traps.c
6850 +++ b/arch/mips/kernel/traps.c
6851 @@ -688,7 +688,18 @@ asmlinkage void do_ov(struct pt_regs *regs)
6852 siginfo_t info;
6853
6854 prev_state = exception_enter();
6855 - die_if_kernel("Integer overflow", regs);
6856 + if (unlikely(!user_mode(regs))) {
6857 +
6858 +#ifdef CONFIG_PAX_REFCOUNT
6859 + if (fixup_exception(regs)) {
6860 + pax_report_refcount_overflow(regs);
6861 + exception_exit(prev_state);
6862 + return;
6863 + }
6864 +#endif
6865 +
6866 + die("Integer overflow", regs);
6867 + }
6868
6869 info.si_code = FPE_INTOVF;
6870 info.si_signo = SIGFPE;
6871 diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
6872 index e3b21e5..ea5ff7c 100644
6873 --- a/arch/mips/kvm/mips.c
6874 +++ b/arch/mips/kvm/mips.c
6875 @@ -805,7 +805,7 @@ long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg)
6876 return r;
6877 }
6878
6879 -int kvm_arch_init(void *opaque)
6880 +int kvm_arch_init(const void *opaque)
6881 {
6882 if (kvm_mips_callbacks) {
6883 kvm_err("kvm: module already exists\n");
6884 diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
6885 index becc42b..9e43d4b 100644
6886 --- a/arch/mips/mm/fault.c
6887 +++ b/arch/mips/mm/fault.c
6888 @@ -28,6 +28,23 @@
6889 #include <asm/highmem.h> /* For VMALLOC_END */
6890 #include <linux/kdebug.h>
6891
6892 +#ifdef CONFIG_PAX_PAGEEXEC
6893 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
6894 +{
6895 + unsigned long i;
6896 +
6897 + printk(KERN_ERR "PAX: bytes at PC: ");
6898 + for (i = 0; i < 5; i++) {
6899 + unsigned int c;
6900 + if (get_user(c, (unsigned int *)pc+i))
6901 + printk(KERN_CONT "???????? ");
6902 + else
6903 + printk(KERN_CONT "%08x ", c);
6904 + }
6905 + printk("\n");
6906 +}
6907 +#endif
6908 +
6909 /*
6910 * This routine handles page faults. It determines the address,
6911 * and the problem, and then passes it off to one of the appropriate
6912 @@ -199,6 +216,14 @@ bad_area:
6913 bad_area_nosemaphore:
6914 /* User mode accesses just cause a SIGSEGV */
6915 if (user_mode(regs)) {
6916 +
6917 +#ifdef CONFIG_PAX_PAGEEXEC
6918 + if (cpu_has_rixi && (mm->pax_flags & MF_PAX_PAGEEXEC) && !write && address == instruction_pointer(regs)) {
6919 + pax_report_fault(regs, (void *)address, (void *)user_stack_pointer(regs));
6920 + do_group_exit(SIGKILL);
6921 + }
6922 +#endif
6923 +
6924 tsk->thread.cp0_badvaddr = address;
6925 tsk->thread.error_code = write;
6926 #if 0
6927 diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
6928 index f1baadd..5472dca 100644
6929 --- a/arch/mips/mm/mmap.c
6930 +++ b/arch/mips/mm/mmap.c
6931 @@ -59,6 +59,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
6932 struct vm_area_struct *vma;
6933 unsigned long addr = addr0;
6934 int do_color_align;
6935 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
6936 struct vm_unmapped_area_info info;
6937
6938 if (unlikely(len > TASK_SIZE))
6939 @@ -84,6 +85,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
6940 do_color_align = 1;
6941
6942 /* requesting a specific address */
6943 +
6944 +#ifdef CONFIG_PAX_RANDMMAP
6945 + if (!(current->mm->pax_flags & MF_PAX_RANDMMAP))
6946 +#endif
6947 +
6948 if (addr) {
6949 if (do_color_align)
6950 addr = COLOUR_ALIGN(addr, pgoff);
6951 @@ -91,14 +97,14 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp,
6952 addr = PAGE_ALIGN(addr);
6953
6954 vma = find_vma(mm, addr);
6955 - if (TASK_SIZE - len >= addr &&
6956 - (!vma || addr + len <= vma->vm_start))
6957 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
6958 return addr;
6959 }
6960
6961 info.length = len;
6962 info.align_mask = do_color_align ? (PAGE_MASK & shm_align_mask) : 0;
6963 info.align_offset = pgoff << PAGE_SHIFT;
6964 + info.threadstack_offset = offset;
6965
6966 if (dir == DOWN) {
6967 info.flags = VM_UNMAPPED_AREA_TOPDOWN;
6968 @@ -146,6 +152,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
6969 {
6970 unsigned long random_factor = 0UL;
6971
6972 +#ifdef CONFIG_PAX_RANDMMAP
6973 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
6974 +#endif
6975 +
6976 if (current->flags & PF_RANDOMIZE) {
6977 random_factor = get_random_int();
6978 random_factor = random_factor << PAGE_SHIFT;
6979 @@ -157,40 +167,25 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
6980
6981 if (mmap_is_legacy()) {
6982 mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
6983 +
6984 +#ifdef CONFIG_PAX_RANDMMAP
6985 + if (mm->pax_flags & MF_PAX_RANDMMAP)
6986 + mm->mmap_base += mm->delta_mmap;
6987 +#endif
6988 +
6989 mm->get_unmapped_area = arch_get_unmapped_area;
6990 } else {
6991 mm->mmap_base = mmap_base(random_factor);
6992 +
6993 +#ifdef CONFIG_PAX_RANDMMAP
6994 + if (mm->pax_flags & MF_PAX_RANDMMAP)
6995 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
6996 +#endif
6997 +
6998 mm->get_unmapped_area = arch_get_unmapped_area_topdown;
6999 }
7000 }
7001
7002 -static inline unsigned long brk_rnd(void)
7003 -{
7004 - unsigned long rnd = get_random_int();
7005 -
7006 - rnd = rnd << PAGE_SHIFT;
7007 - /* 8MB for 32bit, 256MB for 64bit */
7008 - if (TASK_IS_32BIT_ADDR)
7009 - rnd = rnd & 0x7ffffful;
7010 - else
7011 - rnd = rnd & 0xffffffful;
7012 -
7013 - return rnd;
7014 -}
7015 -
7016 -unsigned long arch_randomize_brk(struct mm_struct *mm)
7017 -{
7018 - unsigned long base = mm->brk;
7019 - unsigned long ret;
7020 -
7021 - ret = PAGE_ALIGN(base + brk_rnd());
7022 -
7023 - if (ret < mm->brk)
7024 - return mm->brk;
7025 -
7026 - return ret;
7027 -}
7028 -
7029 int __virt_addr_valid(const volatile void *kaddr)
7030 {
7031 return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
7032 diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c
7033 index 59cccd9..f39ac2f 100644
7034 --- a/arch/mips/pci/pci-octeon.c
7035 +++ b/arch/mips/pci/pci-octeon.c
7036 @@ -327,8 +327,8 @@ static int octeon_write_config(struct pci_bus *bus, unsigned int devfn,
7037
7038
7039 static struct pci_ops octeon_pci_ops = {
7040 - octeon_read_config,
7041 - octeon_write_config,
7042 + .read = octeon_read_config,
7043 + .write = octeon_write_config,
7044 };
7045
7046 static struct resource octeon_pci_mem_resource = {
7047 diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c
7048 index 5e36c33..eb4a17b 100644
7049 --- a/arch/mips/pci/pcie-octeon.c
7050 +++ b/arch/mips/pci/pcie-octeon.c
7051 @@ -1792,8 +1792,8 @@ static int octeon_dummy_write_config(struct pci_bus *bus, unsigned int devfn,
7052 }
7053
7054 static struct pci_ops octeon_pcie0_ops = {
7055 - octeon_pcie0_read_config,
7056 - octeon_pcie0_write_config,
7057 + .read = octeon_pcie0_read_config,
7058 + .write = octeon_pcie0_write_config,
7059 };
7060
7061 static struct resource octeon_pcie0_mem_resource = {
7062 @@ -1813,8 +1813,8 @@ static struct pci_controller octeon_pcie0_controller = {
7063 };
7064
7065 static struct pci_ops octeon_pcie1_ops = {
7066 - octeon_pcie1_read_config,
7067 - octeon_pcie1_write_config,
7068 + .read = octeon_pcie1_read_config,
7069 + .write = octeon_pcie1_write_config,
7070 };
7071
7072 static struct resource octeon_pcie1_mem_resource = {
7073 @@ -1834,8 +1834,8 @@ static struct pci_controller octeon_pcie1_controller = {
7074 };
7075
7076 static struct pci_ops octeon_dummy_ops = {
7077 - octeon_dummy_read_config,
7078 - octeon_dummy_write_config,
7079 + .read = octeon_dummy_read_config,
7080 + .write = octeon_dummy_write_config,
7081 };
7082
7083 static struct resource octeon_dummy_mem_resource = {
7084 diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c
7085 index a2358b4..7cead4f 100644
7086 --- a/arch/mips/sgi-ip27/ip27-nmi.c
7087 +++ b/arch/mips/sgi-ip27/ip27-nmi.c
7088 @@ -187,9 +187,9 @@ void
7089 cont_nmi_dump(void)
7090 {
7091 #ifndef REAL_NMI_SIGNAL
7092 - static atomic_t nmied_cpus = ATOMIC_INIT(0);
7093 + static atomic_unchecked_t nmied_cpus = ATOMIC_INIT(0);
7094
7095 - atomic_inc(&nmied_cpus);
7096 + atomic_inc_unchecked(&nmied_cpus);
7097 #endif
7098 /*
7099 * Only allow 1 cpu to proceed
7100 @@ -233,7 +233,7 @@ cont_nmi_dump(void)
7101 udelay(10000);
7102 }
7103 #else
7104 - while (atomic_read(&nmied_cpus) != num_online_cpus());
7105 + while (atomic_read_unchecked(&nmied_cpus) != num_online_cpus());
7106 #endif
7107
7108 /*
7109 diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
7110 index a046b30..6799527 100644
7111 --- a/arch/mips/sni/rm200.c
7112 +++ b/arch/mips/sni/rm200.c
7113 @@ -270,7 +270,7 @@ spurious_8259A_irq:
7114 "spurious RM200 8259A interrupt: IRQ%d.\n", irq);
7115 spurious_irq_mask |= irqmask;
7116 }
7117 - atomic_inc(&irq_err_count);
7118 + atomic_inc_unchecked(&irq_err_count);
7119 /*
7120 * Theoretically we do not have to handle this IRQ,
7121 * but in Linux this does not cause problems and is
7122 diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
7123 index 41e873b..34d33a7 100644
7124 --- a/arch/mips/vr41xx/common/icu.c
7125 +++ b/arch/mips/vr41xx/common/icu.c
7126 @@ -653,7 +653,7 @@ static int icu_get_irq(unsigned int irq)
7127
7128 printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2);
7129
7130 - atomic_inc(&irq_err_count);
7131 + atomic_inc_unchecked(&irq_err_count);
7132
7133 return -1;
7134 }
7135 diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
7136 index ae0e4ee..e8f0692 100644
7137 --- a/arch/mips/vr41xx/common/irq.c
7138 +++ b/arch/mips/vr41xx/common/irq.c
7139 @@ -64,7 +64,7 @@ static void irq_dispatch(unsigned int irq)
7140 irq_cascade_t *cascade;
7141
7142 if (irq >= NR_IRQS) {
7143 - atomic_inc(&irq_err_count);
7144 + atomic_inc_unchecked(&irq_err_count);
7145 return;
7146 }
7147
7148 @@ -84,7 +84,7 @@ static void irq_dispatch(unsigned int irq)
7149 ret = cascade->get_irq(irq);
7150 irq = ret;
7151 if (ret < 0)
7152 - atomic_inc(&irq_err_count);
7153 + atomic_inc_unchecked(&irq_err_count);
7154 else
7155 irq_dispatch(irq);
7156 if (!irqd_irq_disabled(idata) && chip->irq_unmask)
7157 diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h
7158 index 967d144..db12197 100644
7159 --- a/arch/mn10300/proc-mn103e010/include/proc/cache.h
7160 +++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h
7161 @@ -11,12 +11,14 @@
7162 #ifndef _ASM_PROC_CACHE_H
7163 #define _ASM_PROC_CACHE_H
7164
7165 +#include <linux/const.h>
7166 +
7167 /* L1 cache */
7168
7169 #define L1_CACHE_NWAYS 4 /* number of ways in caches */
7170 #define L1_CACHE_NENTRIES 256 /* number of entries in each way */
7171 -#define L1_CACHE_BYTES 16 /* bytes per entry */
7172 #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */
7173 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
7174 #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */
7175
7176 #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
7177 diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
7178 index bcb5df2..84fabd2 100644
7179 --- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
7180 +++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
7181 @@ -16,13 +16,15 @@
7182 #ifndef _ASM_PROC_CACHE_H
7183 #define _ASM_PROC_CACHE_H
7184
7185 +#include <linux/const.h>
7186 +
7187 /*
7188 * L1 cache
7189 */
7190 #define L1_CACHE_NWAYS 4 /* number of ways in caches */
7191 #define L1_CACHE_NENTRIES 128 /* number of entries in each way */
7192 -#define L1_CACHE_BYTES 32 /* bytes per entry */
7193 #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */
7194 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */
7195 #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */
7196
7197 #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */
7198 diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h
7199 index 4ce7a01..449202a 100644
7200 --- a/arch/openrisc/include/asm/cache.h
7201 +++ b/arch/openrisc/include/asm/cache.h
7202 @@ -19,11 +19,13 @@
7203 #ifndef __ASM_OPENRISC_CACHE_H
7204 #define __ASM_OPENRISC_CACHE_H
7205
7206 +#include <linux/const.h>
7207 +
7208 /* FIXME: How can we replace these with values from the CPU...
7209 * they shouldn't be hard-coded!
7210 */
7211
7212 -#define L1_CACHE_BYTES 16
7213 #define L1_CACHE_SHIFT 4
7214 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
7215
7216 #endif /* __ASM_OPENRISC_CACHE_H */
7217 diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
7218 index 226f8ca..9d9b87d 100644
7219 --- a/arch/parisc/include/asm/atomic.h
7220 +++ b/arch/parisc/include/asm/atomic.h
7221 @@ -273,6 +273,16 @@ static inline long atomic64_dec_if_positive(atomic64_t *v)
7222 return dec;
7223 }
7224
7225 +#define atomic64_read_unchecked(v) atomic64_read(v)
7226 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
7227 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
7228 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
7229 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
7230 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
7231 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
7232 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
7233 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
7234 +
7235 #endif /* !CONFIG_64BIT */
7236
7237
7238 diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
7239 index 47f11c7..3420df2 100644
7240 --- a/arch/parisc/include/asm/cache.h
7241 +++ b/arch/parisc/include/asm/cache.h
7242 @@ -5,6 +5,7 @@
7243 #ifndef __ARCH_PARISC_CACHE_H
7244 #define __ARCH_PARISC_CACHE_H
7245
7246 +#include <linux/const.h>
7247
7248 /*
7249 * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have
7250 @@ -15,13 +16,13 @@
7251 * just ruin performance.
7252 */
7253 #ifdef CONFIG_PA20
7254 -#define L1_CACHE_BYTES 64
7255 #define L1_CACHE_SHIFT 6
7256 #else
7257 -#define L1_CACHE_BYTES 32
7258 #define L1_CACHE_SHIFT 5
7259 #endif
7260
7261 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
7262 +
7263 #ifndef __ASSEMBLY__
7264
7265 #define SMP_CACHE_BYTES L1_CACHE_BYTES
7266 diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
7267 index 3391d06..c23a2cc 100644
7268 --- a/arch/parisc/include/asm/elf.h
7269 +++ b/arch/parisc/include/asm/elf.h
7270 @@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */
7271
7272 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000)
7273
7274 +#ifdef CONFIG_PAX_ASLR
7275 +#define PAX_ELF_ET_DYN_BASE 0x10000UL
7276 +
7277 +#define PAX_DELTA_MMAP_LEN 16
7278 +#define PAX_DELTA_STACK_LEN 16
7279 +#endif
7280 +
7281 /* This yields a mask that user programs can use to figure out what
7282 instruction set this CPU supports. This could be done in user space,
7283 but it's not easy, and we've already done it here. */
7284 diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
7285 index f213f5b..0af3e8e 100644
7286 --- a/arch/parisc/include/asm/pgalloc.h
7287 +++ b/arch/parisc/include/asm/pgalloc.h
7288 @@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
7289 (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT));
7290 }
7291
7292 +static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
7293 +{
7294 + pgd_populate(mm, pgd, pmd);
7295 +}
7296 +
7297 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
7298 {
7299 pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT,
7300 @@ -93,6 +98,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
7301 #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
7302 #define pmd_free(mm, x) do { } while (0)
7303 #define pgd_populate(mm, pmd, pte) BUG()
7304 +#define pgd_populate_kernel(mm, pmd, pte) BUG()
7305
7306 #endif
7307
7308 diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
7309 index 22b89d1..ce34230 100644
7310 --- a/arch/parisc/include/asm/pgtable.h
7311 +++ b/arch/parisc/include/asm/pgtable.h
7312 @@ -223,6 +223,17 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long);
7313 #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED)
7314 #define PAGE_COPY PAGE_EXECREAD
7315 #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED)
7316 +
7317 +#ifdef CONFIG_PAX_PAGEEXEC
7318 +# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED)
7319 +# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
7320 +# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED)
7321 +#else
7322 +# define PAGE_SHARED_NOEXEC PAGE_SHARED
7323 +# define PAGE_COPY_NOEXEC PAGE_COPY
7324 +# define PAGE_READONLY_NOEXEC PAGE_READONLY
7325 +#endif
7326 +
7327 #define PAGE_KERNEL __pgprot(_PAGE_KERNEL)
7328 #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC)
7329 #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX)
7330 diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
7331 index a5cb070..8604ddc 100644
7332 --- a/arch/parisc/include/asm/uaccess.h
7333 +++ b/arch/parisc/include/asm/uaccess.h
7334 @@ -243,10 +243,10 @@ static inline unsigned long __must_check copy_from_user(void *to,
7335 const void __user *from,
7336 unsigned long n)
7337 {
7338 - int sz = __compiletime_object_size(to);
7339 + size_t sz = __compiletime_object_size(to);
7340 int ret = -EFAULT;
7341
7342 - if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
7343 + if (likely(sz == (size_t)-1 || !__builtin_constant_p(n) || sz >= n))
7344 ret = __copy_from_user(to, from, n);
7345 else
7346 copy_from_user_overflow();
7347 diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
7348 index 50dfafc..b9fc230 100644
7349 --- a/arch/parisc/kernel/module.c
7350 +++ b/arch/parisc/kernel/module.c
7351 @@ -98,16 +98,38 @@
7352
7353 /* three functions to determine where in the module core
7354 * or init pieces the location is */
7355 +static inline int in_init_rx(struct module *me, void *loc)
7356 +{
7357 + return (loc >= me->module_init_rx &&
7358 + loc < (me->module_init_rx + me->init_size_rx));
7359 +}
7360 +
7361 +static inline int in_init_rw(struct module *me, void *loc)
7362 +{
7363 + return (loc >= me->module_init_rw &&
7364 + loc < (me->module_init_rw + me->init_size_rw));
7365 +}
7366 +
7367 static inline int in_init(struct module *me, void *loc)
7368 {
7369 - return (loc >= me->module_init &&
7370 - loc <= (me->module_init + me->init_size));
7371 + return in_init_rx(me, loc) || in_init_rw(me, loc);
7372 +}
7373 +
7374 +static inline int in_core_rx(struct module *me, void *loc)
7375 +{
7376 + return (loc >= me->module_core_rx &&
7377 + loc < (me->module_core_rx + me->core_size_rx));
7378 +}
7379 +
7380 +static inline int in_core_rw(struct module *me, void *loc)
7381 +{
7382 + return (loc >= me->module_core_rw &&
7383 + loc < (me->module_core_rw + me->core_size_rw));
7384 }
7385
7386 static inline int in_core(struct module *me, void *loc)
7387 {
7388 - return (loc >= me->module_core &&
7389 - loc <= (me->module_core + me->core_size));
7390 + return in_core_rx(me, loc) || in_core_rw(me, loc);
7391 }
7392
7393 static inline int in_local(struct module *me, void *loc)
7394 @@ -371,13 +393,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
7395 }
7396
7397 /* align things a bit */
7398 - me->core_size = ALIGN(me->core_size, 16);
7399 - me->arch.got_offset = me->core_size;
7400 - me->core_size += gots * sizeof(struct got_entry);
7401 + me->core_size_rw = ALIGN(me->core_size_rw, 16);
7402 + me->arch.got_offset = me->core_size_rw;
7403 + me->core_size_rw += gots * sizeof(struct got_entry);
7404
7405 - me->core_size = ALIGN(me->core_size, 16);
7406 - me->arch.fdesc_offset = me->core_size;
7407 - me->core_size += fdescs * sizeof(Elf_Fdesc);
7408 + me->core_size_rw = ALIGN(me->core_size_rw, 16);
7409 + me->arch.fdesc_offset = me->core_size_rw;
7410 + me->core_size_rw += fdescs * sizeof(Elf_Fdesc);
7411
7412 me->arch.got_max = gots;
7413 me->arch.fdesc_max = fdescs;
7414 @@ -395,7 +417,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
7415
7416 BUG_ON(value == 0);
7417
7418 - got = me->module_core + me->arch.got_offset;
7419 + got = me->module_core_rw + me->arch.got_offset;
7420 for (i = 0; got[i].addr; i++)
7421 if (got[i].addr == value)
7422 goto out;
7423 @@ -413,7 +435,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend)
7424 #ifdef CONFIG_64BIT
7425 static Elf_Addr get_fdesc(struct module *me, unsigned long value)
7426 {
7427 - Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset;
7428 + Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset;
7429
7430 if (!value) {
7431 printk(KERN_ERR "%s: zero OPD requested!\n", me->name);
7432 @@ -431,7 +453,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value)
7433
7434 /* Create new one */
7435 fdesc->addr = value;
7436 - fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset;
7437 + fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
7438 return (Elf_Addr)fdesc;
7439 }
7440 #endif /* CONFIG_64BIT */
7441 @@ -843,7 +865,7 @@ register_unwind_table(struct module *me,
7442
7443 table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr;
7444 end = table + sechdrs[me->arch.unwind_section].sh_size;
7445 - gp = (Elf_Addr)me->module_core + me->arch.got_offset;
7446 + gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset;
7447
7448 DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n",
7449 me->arch.unwind_section, table, end, gp);
7450 diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
7451 index e1ffea2..46ed66e 100644
7452 --- a/arch/parisc/kernel/sys_parisc.c
7453 +++ b/arch/parisc/kernel/sys_parisc.c
7454 @@ -89,6 +89,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
7455 unsigned long task_size = TASK_SIZE;
7456 int do_color_align, last_mmap;
7457 struct vm_unmapped_area_info info;
7458 + unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags);
7459
7460 if (len > task_size)
7461 return -ENOMEM;
7462 @@ -106,6 +107,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
7463 goto found_addr;
7464 }
7465
7466 +#ifdef CONFIG_PAX_RANDMMAP
7467 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
7468 +#endif
7469 +
7470 if (addr) {
7471 if (do_color_align && last_mmap)
7472 addr = COLOR_ALIGN(addr, last_mmap, pgoff);
7473 @@ -124,6 +129,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
7474 info.high_limit = mmap_upper_limit();
7475 info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
7476 info.align_offset = shared_align_offset(last_mmap, pgoff);
7477 + info.threadstack_offset = offset;
7478 addr = vm_unmapped_area(&info);
7479
7480 found_addr:
7481 @@ -143,6 +149,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
7482 unsigned long addr = addr0;
7483 int do_color_align, last_mmap;
7484 struct vm_unmapped_area_info info;
7485 + unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags);
7486
7487 #ifdef CONFIG_64BIT
7488 /* This should only ever run for 32-bit processes. */
7489 @@ -167,6 +174,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
7490 }
7491
7492 /* requesting a specific address */
7493 +#ifdef CONFIG_PAX_RANDMMAP
7494 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
7495 +#endif
7496 +
7497 if (addr) {
7498 if (do_color_align && last_mmap)
7499 addr = COLOR_ALIGN(addr, last_mmap, pgoff);
7500 @@ -184,6 +195,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
7501 info.high_limit = mm->mmap_base;
7502 info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
7503 info.align_offset = shared_align_offset(last_mmap, pgoff);
7504 + info.threadstack_offset = offset;
7505 addr = vm_unmapped_area(&info);
7506 if (!(addr & ~PAGE_MASK))
7507 goto found_addr;
7508 @@ -249,6 +261,13 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
7509 mm->mmap_legacy_base = mmap_legacy_base();
7510 mm->mmap_base = mmap_upper_limit();
7511
7512 +#ifdef CONFIG_PAX_RANDMMAP
7513 + if (mm->pax_flags & MF_PAX_RANDMMAP) {
7514 + mm->mmap_legacy_base += mm->delta_mmap;
7515 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
7516 + }
7517 +#endif
7518 +
7519 if (mmap_is_legacy()) {
7520 mm->mmap_base = mm->mmap_legacy_base;
7521 mm->get_unmapped_area = arch_get_unmapped_area;
7522 diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
7523 index 47ee620..1107387 100644
7524 --- a/arch/parisc/kernel/traps.c
7525 +++ b/arch/parisc/kernel/traps.c
7526 @@ -726,9 +726,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
7527
7528 down_read(&current->mm->mmap_sem);
7529 vma = find_vma(current->mm,regs->iaoq[0]);
7530 - if (vma && (regs->iaoq[0] >= vma->vm_start)
7531 - && (vma->vm_flags & VM_EXEC)) {
7532 -
7533 + if (vma && (regs->iaoq[0] >= vma->vm_start)) {
7534 fault_address = regs->iaoq[0];
7535 fault_space = regs->iasq[0];
7536
7537 diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
7538 index 3ca9c11..d163ef7 100644
7539 --- a/arch/parisc/mm/fault.c
7540 +++ b/arch/parisc/mm/fault.c
7541 @@ -15,6 +15,7 @@
7542 #include <linux/sched.h>
7543 #include <linux/interrupt.h>
7544 #include <linux/module.h>
7545 +#include <linux/unistd.h>
7546
7547 #include <asm/uaccess.h>
7548 #include <asm/traps.h>
7549 @@ -50,7 +51,7 @@ int show_unhandled_signals = 1;
7550 static unsigned long
7551 parisc_acctyp(unsigned long code, unsigned int inst)
7552 {
7553 - if (code == 6 || code == 16)
7554 + if (code == 6 || code == 7 || code == 16)
7555 return VM_EXEC;
7556
7557 switch (inst & 0xf0000000) {
7558 @@ -136,6 +137,116 @@ parisc_acctyp(unsigned long code, unsigned int inst)
7559 }
7560 #endif
7561
7562 +#ifdef CONFIG_PAX_PAGEEXEC
7563 +/*
7564 + * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address)
7565 + *
7566 + * returns 1 when task should be killed
7567 + * 2 when rt_sigreturn trampoline was detected
7568 + * 3 when unpatched PLT trampoline was detected
7569 + */
7570 +static int pax_handle_fetch_fault(struct pt_regs *regs)
7571 +{
7572 +
7573 +#ifdef CONFIG_PAX_EMUPLT
7574 + int err;
7575 +
7576 + do { /* PaX: unpatched PLT emulation */
7577 + unsigned int bl, depwi;
7578 +
7579 + err = get_user(bl, (unsigned int *)instruction_pointer(regs));
7580 + err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4));
7581 +
7582 + if (err)
7583 + break;
7584 +
7585 + if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) {
7586 + unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12;
7587 +
7588 + err = get_user(ldw, (unsigned int *)addr);
7589 + err |= get_user(bv, (unsigned int *)(addr+4));
7590 + err |= get_user(ldw2, (unsigned int *)(addr+8));
7591 +
7592 + if (err)
7593 + break;
7594 +
7595 + if (ldw == 0x0E801096U &&
7596 + bv == 0xEAC0C000U &&
7597 + ldw2 == 0x0E881095U)
7598 + {
7599 + unsigned int resolver, map;
7600 +
7601 + err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8));
7602 + err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12));
7603 + if (err)
7604 + break;
7605 +
7606 + regs->gr[20] = instruction_pointer(regs)+8;
7607 + regs->gr[21] = map;
7608 + regs->gr[22] = resolver;
7609 + regs->iaoq[0] = resolver | 3UL;
7610 + regs->iaoq[1] = regs->iaoq[0] + 4;
7611 + return 3;
7612 + }
7613 + }
7614 + } while (0);
7615 +#endif
7616 +
7617 +#ifdef CONFIG_PAX_EMUTRAMP
7618 +
7619 +#ifndef CONFIG_PAX_EMUSIGRT
7620 + if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
7621 + return 1;
7622 +#endif
7623 +
7624 + do { /* PaX: rt_sigreturn emulation */
7625 + unsigned int ldi1, ldi2, bel, nop;
7626 +
7627 + err = get_user(ldi1, (unsigned int *)instruction_pointer(regs));
7628 + err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4));
7629 + err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8));
7630 + err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12));
7631 +
7632 + if (err)
7633 + break;
7634 +
7635 + if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) &&
7636 + ldi2 == 0x3414015AU &&
7637 + bel == 0xE4008200U &&
7638 + nop == 0x08000240U)
7639 + {
7640 + regs->gr[25] = (ldi1 & 2) >> 1;
7641 + regs->gr[20] = __NR_rt_sigreturn;
7642 + regs->gr[31] = regs->iaoq[1] + 16;
7643 + regs->sr[0] = regs->iasq[1];
7644 + regs->iaoq[0] = 0x100UL;
7645 + regs->iaoq[1] = regs->iaoq[0] + 4;
7646 + regs->iasq[0] = regs->sr[2];
7647 + regs->iasq[1] = regs->sr[2];
7648 + return 2;
7649 + }
7650 + } while (0);
7651 +#endif
7652 +
7653 + return 1;
7654 +}
7655 +
7656 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
7657 +{
7658 + unsigned long i;
7659 +
7660 + printk(KERN_ERR "PAX: bytes at PC: ");
7661 + for (i = 0; i < 5; i++) {
7662 + unsigned int c;
7663 + if (get_user(c, (unsigned int *)pc+i))
7664 + printk(KERN_CONT "???????? ");
7665 + else
7666 + printk(KERN_CONT "%08x ", c);
7667 + }
7668 + printk("\n");
7669 +}
7670 +#endif
7671 +
7672 int fixup_exception(struct pt_regs *regs)
7673 {
7674 const struct exception_table_entry *fix;
7675 @@ -234,8 +345,33 @@ retry:
7676
7677 good_area:
7678
7679 - if ((vma->vm_flags & acc_type) != acc_type)
7680 + if ((vma->vm_flags & acc_type) != acc_type) {
7681 +
7682 +#ifdef CONFIG_PAX_PAGEEXEC
7683 + if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) &&
7684 + (address & ~3UL) == instruction_pointer(regs))
7685 + {
7686 + up_read(&mm->mmap_sem);
7687 + switch (pax_handle_fetch_fault(regs)) {
7688 +
7689 +#ifdef CONFIG_PAX_EMUPLT
7690 + case 3:
7691 + return;
7692 +#endif
7693 +
7694 +#ifdef CONFIG_PAX_EMUTRAMP
7695 + case 2:
7696 + return;
7697 +#endif
7698 +
7699 + }
7700 + pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]);
7701 + do_group_exit(SIGKILL);
7702 + }
7703 +#endif
7704 +
7705 goto bad_area;
7706 + }
7707
7708 /*
7709 * If for any reason at all we couldn't handle the fault, make
7710 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
7711 index 88eace4..4ba2591 100644
7712 --- a/arch/powerpc/Kconfig
7713 +++ b/arch/powerpc/Kconfig
7714 @@ -404,6 +404,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE
7715 config KEXEC
7716 bool "kexec system call"
7717 depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP))
7718 + depends on !GRKERNSEC_KMEM
7719 help
7720 kexec is a system call that implements the ability to shutdown your
7721 current kernel, and to start another kernel. It is like a reboot
7722 diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
7723 index 512d278..d31fadd 100644
7724 --- a/arch/powerpc/include/asm/atomic.h
7725 +++ b/arch/powerpc/include/asm/atomic.h
7726 @@ -12,6 +12,11 @@
7727
7728 #define ATOMIC_INIT(i) { (i) }
7729
7730 +#define _ASM_EXTABLE(from, to) \
7731 +" .section __ex_table,\"a\"\n" \
7732 + PPC_LONG" " #from ", " #to"\n" \
7733 +" .previous\n"
7734 +
7735 static __inline__ int atomic_read(const atomic_t *v)
7736 {
7737 int t;
7738 @@ -21,39 +26,80 @@ static __inline__ int atomic_read(const atomic_t *v)
7739 return t;
7740 }
7741
7742 +static __inline__ int atomic_read_unchecked(const atomic_unchecked_t *v)
7743 +{
7744 + int t;
7745 +
7746 + __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter));
7747 +
7748 + return t;
7749 +}
7750 +
7751 static __inline__ void atomic_set(atomic_t *v, int i)
7752 {
7753 __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i));
7754 }
7755
7756 -#define ATOMIC_OP(op, asm_op) \
7757 -static __inline__ void atomic_##op(int a, atomic_t *v) \
7758 +static __inline__ void atomic_set_unchecked(atomic_unchecked_t *v, int i)
7759 +{
7760 + __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i));
7761 +}
7762 +
7763 +#ifdef CONFIG_PAX_REFCOUNT
7764 +#define __REFCOUNT_OP(op) op##o.
7765 +#define __OVERFLOW_PRE \
7766 + " mcrxr cr0\n"
7767 +#define __OVERFLOW_POST \
7768 + " bf 4*cr0+so, 3f\n" \
7769 + "2: .long 0x00c00b00\n" \
7770 + "3:\n"
7771 +#define __OVERFLOW_EXTABLE \
7772 + "\n4:\n"
7773 + _ASM_EXTABLE(2b, 4b)
7774 +#else
7775 +#define __REFCOUNT_OP(op) op
7776 +#define __OVERFLOW_PRE
7777 +#define __OVERFLOW_POST
7778 +#define __OVERFLOW_EXTABLE
7779 +#endif
7780 +
7781 +#define __ATOMIC_OP(op, suffix, pre_op, asm_op, post_op, extable) \
7782 +static inline void atomic_##op##suffix(int a, atomic##suffix##_t *v) \
7783 { \
7784 int t; \
7785 \
7786 __asm__ __volatile__( \
7787 -"1: lwarx %0,0,%3 # atomic_" #op "\n" \
7788 +"1: lwarx %0,0,%3 # atomic_" #op #suffix "\n" \
7789 + pre_op \
7790 #asm_op " %0,%2,%0\n" \
7791 + post_op \
7792 PPC405_ERR77(0,%3) \
7793 " stwcx. %0,0,%3 \n" \
7794 " bne- 1b\n" \
7795 + extable \
7796 : "=&r" (t), "+m" (v->counter) \
7797 : "r" (a), "r" (&v->counter) \
7798 : "cc"); \
7799 } \
7800
7801 -#define ATOMIC_OP_RETURN(op, asm_op) \
7802 -static __inline__ int atomic_##op##_return(int a, atomic_t *v) \
7803 +#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, , , asm_op, , ) \
7804 + __ATOMIC_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE)
7805 +
7806 +#define __ATOMIC_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\
7807 +static inline int atomic_##op##_return##suffix(int a, atomic##suffix##_t *v)\
7808 { \
7809 int t; \
7810 \
7811 __asm__ __volatile__( \
7812 PPC_ATOMIC_ENTRY_BARRIER \
7813 -"1: lwarx %0,0,%2 # atomic_" #op "_return\n" \
7814 +"1: lwarx %0,0,%2 # atomic_" #op "_return" #suffix "\n" \
7815 + pre_op \
7816 #asm_op " %0,%1,%0\n" \
7817 + post_op \
7818 PPC405_ERR77(0,%2) \
7819 " stwcx. %0,0,%2 \n" \
7820 " bne- 1b\n" \
7821 + extable \
7822 PPC_ATOMIC_EXIT_BARRIER \
7823 : "=&r" (t) \
7824 : "r" (a), "r" (&v->counter) \
7825 @@ -62,6 +108,9 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \
7826 return t; \
7827 }
7828
7829 +#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, , , asm_op, , )\
7830 + __ATOMIC_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE)
7831 +
7832 #define ATOMIC_OPS(op, asm_op) ATOMIC_OP(op, asm_op) ATOMIC_OP_RETURN(op, asm_op)
7833
7834 ATOMIC_OPS(add, add)
7835 @@ -69,42 +118,29 @@ ATOMIC_OPS(sub, subf)
7836
7837 #undef ATOMIC_OPS
7838 #undef ATOMIC_OP_RETURN
7839 +#undef __ATOMIC_OP_RETURN
7840 #undef ATOMIC_OP
7841 +#undef __ATOMIC_OP
7842
7843 #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
7844
7845 -static __inline__ void atomic_inc(atomic_t *v)
7846 -{
7847 - int t;
7848 +/*
7849 + * atomic_inc - increment atomic variable
7850 + * @v: pointer of type atomic_t
7851 + *
7852 + * Automatically increments @v by 1
7853 + */
7854 +#define atomic_inc(v) atomic_add(1, (v))
7855 +#define atomic_inc_return(v) atomic_add_return(1, (v))
7856
7857 - __asm__ __volatile__(
7858 -"1: lwarx %0,0,%2 # atomic_inc\n\
7859 - addic %0,%0,1\n"
7860 - PPC405_ERR77(0,%2)
7861 -" stwcx. %0,0,%2 \n\
7862 - bne- 1b"
7863 - : "=&r" (t), "+m" (v->counter)
7864 - : "r" (&v->counter)
7865 - : "cc", "xer");
7866 +static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
7867 +{
7868 + atomic_add_unchecked(1, v);
7869 }
7870
7871 -static __inline__ int atomic_inc_return(atomic_t *v)
7872 +static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
7873 {
7874 - int t;
7875 -
7876 - __asm__ __volatile__(
7877 - PPC_ATOMIC_ENTRY_BARRIER
7878 -"1: lwarx %0,0,%1 # atomic_inc_return\n\
7879 - addic %0,%0,1\n"
7880 - PPC405_ERR77(0,%1)
7881 -" stwcx. %0,0,%1 \n\
7882 - bne- 1b"
7883 - PPC_ATOMIC_EXIT_BARRIER
7884 - : "=&r" (t)
7885 - : "r" (&v->counter)
7886 - : "cc", "xer", "memory");
7887 -
7888 - return t;
7889 + return atomic_add_return_unchecked(1, v);
7890 }
7891
7892 /*
7893 @@ -117,43 +153,38 @@ static __inline__ int atomic_inc_return(atomic_t *v)
7894 */
7895 #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
7896
7897 -static __inline__ void atomic_dec(atomic_t *v)
7898 +static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
7899 {
7900 - int t;
7901 -
7902 - __asm__ __volatile__(
7903 -"1: lwarx %0,0,%2 # atomic_dec\n\
7904 - addic %0,%0,-1\n"
7905 - PPC405_ERR77(0,%2)\
7906 -" stwcx. %0,0,%2\n\
7907 - bne- 1b"
7908 - : "=&r" (t), "+m" (v->counter)
7909 - : "r" (&v->counter)
7910 - : "cc", "xer");
7911 + return atomic_add_return_unchecked(1, v) == 0;
7912 }
7913
7914 -static __inline__ int atomic_dec_return(atomic_t *v)
7915 +/*
7916 + * atomic_dec - decrement atomic variable
7917 + * @v: pointer of type atomic_t
7918 + *
7919 + * Atomically decrements @v by 1
7920 + */
7921 +#define atomic_dec(v) atomic_sub(1, (v))
7922 +#define atomic_dec_return(v) atomic_sub_return(1, (v))
7923 +
7924 +static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v)
7925 {
7926 - int t;
7927 -
7928 - __asm__ __volatile__(
7929 - PPC_ATOMIC_ENTRY_BARRIER
7930 -"1: lwarx %0,0,%1 # atomic_dec_return\n\
7931 - addic %0,%0,-1\n"
7932 - PPC405_ERR77(0,%1)
7933 -" stwcx. %0,0,%1\n\
7934 - bne- 1b"
7935 - PPC_ATOMIC_EXIT_BARRIER
7936 - : "=&r" (t)
7937 - : "r" (&v->counter)
7938 - : "cc", "xer", "memory");
7939 -
7940 - return t;
7941 + atomic_sub_unchecked(1, v);
7942 }
7943
7944 #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
7945 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
7946
7947 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
7948 +{
7949 + return cmpxchg(&(v->counter), old, new);
7950 +}
7951 +
7952 +static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
7953 +{
7954 + return xchg(&(v->counter), new);
7955 +}
7956 +
7957 /**
7958 * __atomic_add_unless - add unless the number is a given value
7959 * @v: pointer of type atomic_t
7960 @@ -171,11 +202,27 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
7961 PPC_ATOMIC_ENTRY_BARRIER
7962 "1: lwarx %0,0,%1 # __atomic_add_unless\n\
7963 cmpw 0,%0,%3 \n\
7964 - beq- 2f \n\
7965 - add %0,%2,%0 \n"
7966 + beq- 2f \n"
7967 +
7968 +#ifdef CONFIG_PAX_REFCOUNT
7969 +" mcrxr cr0\n"
7970 +" addo. %0,%2,%0\n"
7971 +" bf 4*cr0+so, 4f\n"
7972 +"3:.long " "0x00c00b00""\n"
7973 +"4:\n"
7974 +#else
7975 + "add %0,%2,%0 \n"
7976 +#endif
7977 +
7978 PPC405_ERR77(0,%2)
7979 " stwcx. %0,0,%1 \n\
7980 bne- 1b \n"
7981 +"5:"
7982 +
7983 +#ifdef CONFIG_PAX_REFCOUNT
7984 + _ASM_EXTABLE(3b, 5b)
7985 +#endif
7986 +
7987 PPC_ATOMIC_EXIT_BARRIER
7988 " subf %0,%2,%0 \n\
7989 2:"
7990 @@ -248,6 +295,11 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
7991 }
7992 #define atomic_dec_if_positive atomic_dec_if_positive
7993
7994 +#define smp_mb__before_atomic_dec() smp_mb()
7995 +#define smp_mb__after_atomic_dec() smp_mb()
7996 +#define smp_mb__before_atomic_inc() smp_mb()
7997 +#define smp_mb__after_atomic_inc() smp_mb()
7998 +
7999 #ifdef __powerpc64__
8000
8001 #define ATOMIC64_INIT(i) { (i) }
8002 @@ -261,37 +313,60 @@ static __inline__ long atomic64_read(const atomic64_t *v)
8003 return t;
8004 }
8005
8006 +static __inline__ long atomic64_read_unchecked(const atomic64_unchecked_t *v)
8007 +{
8008 + long t;
8009 +
8010 + __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter));
8011 +
8012 + return t;
8013 +}
8014 +
8015 static __inline__ void atomic64_set(atomic64_t *v, long i)
8016 {
8017 __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i));
8018 }
8019
8020 -#define ATOMIC64_OP(op, asm_op) \
8021 -static __inline__ void atomic64_##op(long a, atomic64_t *v) \
8022 +static __inline__ void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
8023 +{
8024 + __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i));
8025 +}
8026 +
8027 +#define __ATOMIC64_OP(op, suffix, pre_op, asm_op, post_op, extable) \
8028 +static inline void atomic64_##op##suffix(long a, atomic64##suffix##_t *v)\
8029 { \
8030 long t; \
8031 \
8032 __asm__ __volatile__( \
8033 "1: ldarx %0,0,%3 # atomic64_" #op "\n" \
8034 + pre_op \
8035 #asm_op " %0,%2,%0\n" \
8036 + post_op \
8037 " stdcx. %0,0,%3 \n" \
8038 " bne- 1b\n" \
8039 + extable \
8040 : "=&r" (t), "+m" (v->counter) \
8041 : "r" (a), "r" (&v->counter) \
8042 : "cc"); \
8043 }
8044
8045 -#define ATOMIC64_OP_RETURN(op, asm_op) \
8046 -static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \
8047 +#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, , , asm_op, , ) \
8048 + __ATOMIC64_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE)
8049 +
8050 +#define __ATOMIC64_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\
8051 +static inline long atomic64_##op##_return##suffix(long a, atomic64##suffix##_t *v)\
8052 { \
8053 long t; \
8054 \
8055 __asm__ __volatile__( \
8056 PPC_ATOMIC_ENTRY_BARRIER \
8057 "1: ldarx %0,0,%2 # atomic64_" #op "_return\n" \
8058 + pre_op \
8059 #asm_op " %0,%1,%0\n" \
8060 + post_op \
8061 " stdcx. %0,0,%2 \n" \
8062 " bne- 1b\n" \
8063 + extable \
8064 PPC_ATOMIC_EXIT_BARRIER \
8065 : "=&r" (t) \
8066 : "r" (a), "r" (&v->counter) \
8067 @@ -300,6 +375,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \
8068 return t; \
8069 }
8070
8071 +#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, , , asm_op, , )\
8072 + __ATOMIC64_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE)
8073 +
8074 #define ATOMIC64_OPS(op, asm_op) ATOMIC64_OP(op, asm_op) ATOMIC64_OP_RETURN(op, asm_op)
8075
8076 ATOMIC64_OPS(add, add)
8077 @@ -307,40 +385,33 @@ ATOMIC64_OPS(sub, subf)
8078
8079 #undef ATOMIC64_OPS
8080 #undef ATOMIC64_OP_RETURN
8081 +#undef __ATOMIC64_OP_RETURN
8082 #undef ATOMIC64_OP
8083 +#undef __ATOMIC64_OP
8084 +#undef __OVERFLOW_EXTABLE
8085 +#undef __OVERFLOW_POST
8086 +#undef __OVERFLOW_PRE
8087 +#undef __REFCOUNT_OP
8088
8089 #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
8090
8091 -static __inline__ void atomic64_inc(atomic64_t *v)
8092 -{
8093 - long t;
8094 +/*
8095 + * atomic64_inc - increment atomic variable
8096 + * @v: pointer of type atomic64_t
8097 + *
8098 + * Automatically increments @v by 1
8099 + */
8100 +#define atomic64_inc(v) atomic64_add(1, (v))
8101 +#define atomic64_inc_return(v) atomic64_add_return(1, (v))
8102
8103 - __asm__ __volatile__(
8104 -"1: ldarx %0,0,%2 # atomic64_inc\n\
8105 - addic %0,%0,1\n\
8106 - stdcx. %0,0,%2 \n\
8107 - bne- 1b"
8108 - : "=&r" (t), "+m" (v->counter)
8109 - : "r" (&v->counter)
8110 - : "cc", "xer");
8111 +static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
8112 +{
8113 + atomic64_add_unchecked(1, v);
8114 }
8115
8116 -static __inline__ long atomic64_inc_return(atomic64_t *v)
8117 +static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
8118 {
8119 - long t;
8120 -
8121 - __asm__ __volatile__(
8122 - PPC_ATOMIC_ENTRY_BARRIER
8123 -"1: ldarx %0,0,%1 # atomic64_inc_return\n\
8124 - addic %0,%0,1\n\
8125 - stdcx. %0,0,%1 \n\
8126 - bne- 1b"
8127 - PPC_ATOMIC_EXIT_BARRIER
8128 - : "=&r" (t)
8129 - : "r" (&v->counter)
8130 - : "cc", "xer", "memory");
8131 -
8132 - return t;
8133 + return atomic64_add_return_unchecked(1, v);
8134 }
8135
8136 /*
8137 @@ -353,36 +424,18 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
8138 */
8139 #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
8140
8141 -static __inline__ void atomic64_dec(atomic64_t *v)
8142 +/*
8143 + * atomic64_dec - decrement atomic variable
8144 + * @v: pointer of type atomic64_t
8145 + *
8146 + * Atomically decrements @v by 1
8147 + */
8148 +#define atomic64_dec(v) atomic64_sub(1, (v))
8149 +#define atomic64_dec_return(v) atomic64_sub_return(1, (v))
8150 +
8151 +static __inline__ void atomic64_dec_unchecked(atomic64_unchecked_t *v)
8152 {
8153 - long t;
8154 -
8155 - __asm__ __volatile__(
8156 -"1: ldarx %0,0,%2 # atomic64_dec\n\
8157 - addic %0,%0,-1\n\
8158 - stdcx. %0,0,%2\n\
8159 - bne- 1b"
8160 - : "=&r" (t), "+m" (v->counter)
8161 - : "r" (&v->counter)
8162 - : "cc", "xer");
8163 -}
8164 -
8165 -static __inline__ long atomic64_dec_return(atomic64_t *v)
8166 -{
8167 - long t;
8168 -
8169 - __asm__ __volatile__(
8170 - PPC_ATOMIC_ENTRY_BARRIER
8171 -"1: ldarx %0,0,%1 # atomic64_dec_return\n\
8172 - addic %0,%0,-1\n\
8173 - stdcx. %0,0,%1\n\
8174 - bne- 1b"
8175 - PPC_ATOMIC_EXIT_BARRIER
8176 - : "=&r" (t)
8177 - : "r" (&v->counter)
8178 - : "cc", "xer", "memory");
8179 -
8180 - return t;
8181 + atomic64_sub_unchecked(1, v);
8182 }
8183
8184 #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0)
8185 @@ -415,6 +468,16 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
8186 #define atomic64_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
8187 #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
8188
8189 +static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new)
8190 +{
8191 + return cmpxchg(&(v->counter), old, new);
8192 +}
8193 +
8194 +static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new)
8195 +{
8196 + return xchg(&(v->counter), new);
8197 +}
8198 +
8199 /**
8200 * atomic64_add_unless - add unless the number is a given value
8201 * @v: pointer of type atomic64_t
8202 @@ -430,13 +493,29 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
8203
8204 __asm__ __volatile__ (
8205 PPC_ATOMIC_ENTRY_BARRIER
8206 -"1: ldarx %0,0,%1 # __atomic_add_unless\n\
8207 +"1: ldarx %0,0,%1 # atomic64_add_unless\n\
8208 cmpd 0,%0,%3 \n\
8209 - beq- 2f \n\
8210 - add %0,%2,%0 \n"
8211 + beq- 2f \n"
8212 +
8213 +#ifdef CONFIG_PAX_REFCOUNT
8214 +" mcrxr cr0\n"
8215 +" addo. %0,%2,%0\n"
8216 +" bf 4*cr0+so, 4f\n"
8217 +"3:.long " "0x00c00b00""\n"
8218 +"4:\n"
8219 +#else
8220 + "add %0,%2,%0 \n"
8221 +#endif
8222 +
8223 " stdcx. %0,0,%1 \n\
8224 bne- 1b \n"
8225 PPC_ATOMIC_EXIT_BARRIER
8226 +"5:"
8227 +
8228 +#ifdef CONFIG_PAX_REFCOUNT
8229 + _ASM_EXTABLE(3b, 5b)
8230 +#endif
8231 +
8232 " subf %0,%2,%0 \n\
8233 2:"
8234 : "=&r" (t)
8235 diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
8236 index bab79a1..4a3eabc 100644
8237 --- a/arch/powerpc/include/asm/barrier.h
8238 +++ b/arch/powerpc/include/asm/barrier.h
8239 @@ -73,7 +73,7 @@
8240 do { \
8241 compiletime_assert_atomic_type(*p); \
8242 __lwsync(); \
8243 - ACCESS_ONCE(*p) = (v); \
8244 + ACCESS_ONCE_RW(*p) = (v); \
8245 } while (0)
8246
8247 #define smp_load_acquire(p) \
8248 diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
8249 index 34a05a1..a1f2c67 100644
8250 --- a/arch/powerpc/include/asm/cache.h
8251 +++ b/arch/powerpc/include/asm/cache.h
8252 @@ -4,6 +4,7 @@
8253 #ifdef __KERNEL__
8254
8255 #include <asm/reg.h>
8256 +#include <linux/const.h>
8257
8258 /* bytes per L1 cache line */
8259 #if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
8260 @@ -23,7 +24,7 @@
8261 #define L1_CACHE_SHIFT 7
8262 #endif
8263
8264 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
8265 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
8266
8267 #define SMP_CACHE_BYTES L1_CACHE_BYTES
8268
8269 diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
8270 index 888d8f3..66f581c 100644
8271 --- a/arch/powerpc/include/asm/elf.h
8272 +++ b/arch/powerpc/include/asm/elf.h
8273 @@ -28,8 +28,19 @@
8274 the loader. We need to make sure that it is out of the way of the program
8275 that it will "exec", and that there is sufficient room for the brk. */
8276
8277 -extern unsigned long randomize_et_dyn(unsigned long base);
8278 -#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000))
8279 +#define ELF_ET_DYN_BASE (0x20000000)
8280 +
8281 +#ifdef CONFIG_PAX_ASLR
8282 +#define PAX_ELF_ET_DYN_BASE (0x10000000UL)
8283 +
8284 +#ifdef __powerpc64__
8285 +#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28)
8286 +#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28)
8287 +#else
8288 +#define PAX_DELTA_MMAP_LEN 15
8289 +#define PAX_DELTA_STACK_LEN 15
8290 +#endif
8291 +#endif
8292
8293 #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0)
8294
8295 @@ -129,10 +140,6 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
8296 (0x7ff >> (PAGE_SHIFT - 12)) : \
8297 (0x3ffff >> (PAGE_SHIFT - 12)))
8298
8299 -extern unsigned long arch_randomize_brk(struct mm_struct *mm);
8300 -#define arch_randomize_brk arch_randomize_brk
8301 -
8302 -
8303 #ifdef CONFIG_SPU_BASE
8304 /* Notes used in ET_CORE. Note name is "SPU/<fd>/<filename>". */
8305 #define NT_SPU 1
8306 diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h
8307 index 8196e9c..d83a9f3 100644
8308 --- a/arch/powerpc/include/asm/exec.h
8309 +++ b/arch/powerpc/include/asm/exec.h
8310 @@ -4,6 +4,6 @@
8311 #ifndef _ASM_POWERPC_EXEC_H
8312 #define _ASM_POWERPC_EXEC_H
8313
8314 -extern unsigned long arch_align_stack(unsigned long sp);
8315 +#define arch_align_stack(x) ((x) & ~0xfUL)
8316
8317 #endif /* _ASM_POWERPC_EXEC_H */
8318 diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h
8319 index 5acabbd..7ea14fa 100644
8320 --- a/arch/powerpc/include/asm/kmap_types.h
8321 +++ b/arch/powerpc/include/asm/kmap_types.h
8322 @@ -10,7 +10,7 @@
8323 * 2 of the License, or (at your option) any later version.
8324 */
8325
8326 -#define KM_TYPE_NR 16
8327 +#define KM_TYPE_NR 17
8328
8329 #endif /* __KERNEL__ */
8330 #endif /* _ASM_POWERPC_KMAP_TYPES_H */
8331 diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h
8332 index b8da913..c02b593 100644
8333 --- a/arch/powerpc/include/asm/local.h
8334 +++ b/arch/powerpc/include/asm/local.h
8335 @@ -9,21 +9,65 @@ typedef struct
8336 atomic_long_t a;
8337 } local_t;
8338
8339 +typedef struct
8340 +{
8341 + atomic_long_unchecked_t a;
8342 +} local_unchecked_t;
8343 +
8344 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
8345
8346 #define local_read(l) atomic_long_read(&(l)->a)
8347 +#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a)
8348 #define local_set(l,i) atomic_long_set(&(l)->a, (i))
8349 +#define local_set_unchecked(l,i) atomic_long_set_unchecked(&(l)->a, (i))
8350
8351 #define local_add(i,l) atomic_long_add((i),(&(l)->a))
8352 +#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a))
8353 #define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
8354 +#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a))
8355 #define local_inc(l) atomic_long_inc(&(l)->a)
8356 +#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a)
8357 #define local_dec(l) atomic_long_dec(&(l)->a)
8358 +#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a)
8359
8360 static __inline__ long local_add_return(long a, local_t *l)
8361 {
8362 long t;
8363
8364 __asm__ __volatile__(
8365 +"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n"
8366 +
8367 +#ifdef CONFIG_PAX_REFCOUNT
8368 +" mcrxr cr0\n"
8369 +" addo. %0,%1,%0\n"
8370 +" bf 4*cr0+so, 3f\n"
8371 +"2:.long " "0x00c00b00""\n"
8372 +#else
8373 +" add %0,%1,%0\n"
8374 +#endif
8375 +
8376 +"3:\n"
8377 + PPC405_ERR77(0,%2)
8378 + PPC_STLCX "%0,0,%2 \n\
8379 + bne- 1b"
8380 +
8381 +#ifdef CONFIG_PAX_REFCOUNT
8382 +"\n4:\n"
8383 + _ASM_EXTABLE(2b, 4b)
8384 +#endif
8385 +
8386 + : "=&r" (t)
8387 + : "r" (a), "r" (&(l->a.counter))
8388 + : "cc", "memory");
8389 +
8390 + return t;
8391 +}
8392 +
8393 +static __inline__ long local_add_return_unchecked(long a, local_unchecked_t *l)
8394 +{
8395 + long t;
8396 +
8397 + __asm__ __volatile__(
8398 "1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\
8399 add %0,%1,%0\n"
8400 PPC405_ERR77(0,%2)
8401 @@ -101,6 +145,8 @@ static __inline__ long local_dec_return(local_t *l)
8402
8403 #define local_cmpxchg(l, o, n) \
8404 (cmpxchg_local(&((l)->a.counter), (o), (n)))
8405 +#define local_cmpxchg_unchecked(l, o, n) \
8406 + (cmpxchg_local(&((l)->a.counter), (o), (n)))
8407 #define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n)))
8408
8409 /**
8410 diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
8411 index 8565c25..2865190 100644
8412 --- a/arch/powerpc/include/asm/mman.h
8413 +++ b/arch/powerpc/include/asm/mman.h
8414 @@ -24,7 +24,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot)
8415 }
8416 #define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot)
8417
8418 -static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
8419 +static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags)
8420 {
8421 return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
8422 }
8423 diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
8424 index 26fe1ae..987ffc5 100644
8425 --- a/arch/powerpc/include/asm/page.h
8426 +++ b/arch/powerpc/include/asm/page.h
8427 @@ -227,8 +227,9 @@ extern long long virt_phys_offset;
8428 * and needs to be executable. This means the whole heap ends
8429 * up being executable.
8430 */
8431 -#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
8432 - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8433 +#define VM_DATA_DEFAULT_FLAGS32 \
8434 + (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
8435 + VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8436
8437 #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
8438 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8439 @@ -256,6 +257,9 @@ extern long long virt_phys_offset;
8440 #define is_kernel_addr(x) ((x) >= PAGE_OFFSET)
8441 #endif
8442
8443 +#define ktla_ktva(addr) (addr)
8444 +#define ktva_ktla(addr) (addr)
8445 +
8446 #ifndef CONFIG_PPC_BOOK3S_64
8447 /*
8448 * Use the top bit of the higher-level page table entries to indicate whether
8449 diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
8450 index d908a46..3753f71 100644
8451 --- a/arch/powerpc/include/asm/page_64.h
8452 +++ b/arch/powerpc/include/asm/page_64.h
8453 @@ -172,15 +172,18 @@ do { \
8454 * stack by default, so in the absence of a PT_GNU_STACK program header
8455 * we turn execute permission off.
8456 */
8457 -#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
8458 - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8459 +#define VM_STACK_DEFAULT_FLAGS32 \
8460 + (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
8461 + VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8462
8463 #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
8464 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
8465
8466 +#ifndef CONFIG_PAX_PAGEEXEC
8467 #define VM_STACK_DEFAULT_FLAGS \
8468 (is_32bit_task() ? \
8469 VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
8470 +#endif
8471
8472 #include <asm-generic/getorder.h>
8473
8474 diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
8475 index 4b0be20..c15a27d 100644
8476 --- a/arch/powerpc/include/asm/pgalloc-64.h
8477 +++ b/arch/powerpc/include/asm/pgalloc-64.h
8478 @@ -54,6 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
8479 #ifndef CONFIG_PPC_64K_PAGES
8480
8481 #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD)
8482 +#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD))
8483
8484 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
8485 {
8486 @@ -71,6 +72,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
8487 pud_set(pud, (unsigned long)pmd);
8488 }
8489
8490 +static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
8491 +{
8492 + pud_populate(mm, pud, pmd);
8493 +}
8494 +
8495 #define pmd_populate(mm, pmd, pte_page) \
8496 pmd_populate_kernel(mm, pmd, page_address(pte_page))
8497 #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte))
8498 @@ -173,6 +179,7 @@ extern void __tlb_remove_table(void *_table);
8499 #endif
8500
8501 #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd)
8502 +#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
8503
8504 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
8505 pte_t *pte)
8506 diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
8507 index 316f9a5..ba05c77 100644
8508 --- a/arch/powerpc/include/asm/pgtable.h
8509 +++ b/arch/powerpc/include/asm/pgtable.h
8510 @@ -2,6 +2,7 @@
8511 #define _ASM_POWERPC_PGTABLE_H
8512 #ifdef __KERNEL__
8513
8514 +#include <linux/const.h>
8515 #ifndef __ASSEMBLY__
8516 #include <linux/mmdebug.h>
8517 #include <linux/mmzone.h>
8518 diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h
8519 index 4aad413..85d86bf 100644
8520 --- a/arch/powerpc/include/asm/pte-hash32.h
8521 +++ b/arch/powerpc/include/asm/pte-hash32.h
8522 @@ -21,6 +21,7 @@
8523 #define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */
8524 #define _PAGE_USER 0x004 /* usermode access allowed */
8525 #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */
8526 +#define _PAGE_EXEC _PAGE_GUARDED
8527 #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */
8528 #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */
8529 #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */
8530 diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
8531 index a68ee15..552d213 100644
8532 --- a/arch/powerpc/include/asm/reg.h
8533 +++ b/arch/powerpc/include/asm/reg.h
8534 @@ -253,6 +253,7 @@
8535 #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
8536 #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
8537 #define DSISR_NOHPTE 0x40000000 /* no translation found */
8538 +#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */
8539 #define DSISR_PROTFAULT 0x08000000 /* protection fault */
8540 #define DSISR_ISSTORE 0x02000000 /* access was a store */
8541 #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
8542 diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
8543 index 5a6614a..d89995d1 100644
8544 --- a/arch/powerpc/include/asm/smp.h
8545 +++ b/arch/powerpc/include/asm/smp.h
8546 @@ -51,7 +51,7 @@ struct smp_ops_t {
8547 int (*cpu_disable)(void);
8548 void (*cpu_die)(unsigned int nr);
8549 int (*cpu_bootable)(unsigned int nr);
8550 -};
8551 +} __no_const;
8552
8553 extern void smp_send_debugger_break(void);
8554 extern void start_secondary_resume(void);
8555 diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
8556 index 4dbe072..b803275 100644
8557 --- a/arch/powerpc/include/asm/spinlock.h
8558 +++ b/arch/powerpc/include/asm/spinlock.h
8559 @@ -204,13 +204,29 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw)
8560 __asm__ __volatile__(
8561 "1: " PPC_LWARX(%0,0,%1,1) "\n"
8562 __DO_SIGN_EXTEND
8563 -" addic. %0,%0,1\n\
8564 - ble- 2f\n"
8565 +
8566 +#ifdef CONFIG_PAX_REFCOUNT
8567 +" mcrxr cr0\n"
8568 +" addico. %0,%0,1\n"
8569 +" bf 4*cr0+so, 3f\n"
8570 +"2:.long " "0x00c00b00""\n"
8571 +#else
8572 +" addic. %0,%0,1\n"
8573 +#endif
8574 +
8575 +"3:\n"
8576 + "ble- 4f\n"
8577 PPC405_ERR77(0,%1)
8578 " stwcx. %0,0,%1\n\
8579 bne- 1b\n"
8580 PPC_ACQUIRE_BARRIER
8581 -"2:" : "=&r" (tmp)
8582 +"4:"
8583 +
8584 +#ifdef CONFIG_PAX_REFCOUNT
8585 + _ASM_EXTABLE(2b,4b)
8586 +#endif
8587 +
8588 + : "=&r" (tmp)
8589 : "r" (&rw->lock)
8590 : "cr0", "xer", "memory");
8591
8592 @@ -286,11 +302,27 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
8593 __asm__ __volatile__(
8594 "# read_unlock\n\t"
8595 PPC_RELEASE_BARRIER
8596 -"1: lwarx %0,0,%1\n\
8597 - addic %0,%0,-1\n"
8598 +"1: lwarx %0,0,%1\n"
8599 +
8600 +#ifdef CONFIG_PAX_REFCOUNT
8601 +" mcrxr cr0\n"
8602 +" addico. %0,%0,-1\n"
8603 +" bf 4*cr0+so, 3f\n"
8604 +"2:.long " "0x00c00b00""\n"
8605 +#else
8606 +" addic. %0,%0,-1\n"
8607 +#endif
8608 +
8609 +"3:\n"
8610 PPC405_ERR77(0,%1)
8611 " stwcx. %0,0,%1\n\
8612 bne- 1b"
8613 +
8614 +#ifdef CONFIG_PAX_REFCOUNT
8615 +"\n4:\n"
8616 + _ASM_EXTABLE(2b, 4b)
8617 +#endif
8618 +
8619 : "=&r"(tmp)
8620 : "r"(&rw->lock)
8621 : "cr0", "xer", "memory");
8622 diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
8623 index b034ecd..af7e31f 100644
8624 --- a/arch/powerpc/include/asm/thread_info.h
8625 +++ b/arch/powerpc/include/asm/thread_info.h
8626 @@ -107,6 +107,8 @@ static inline struct thread_info *current_thread_info(void)
8627 #if defined(CONFIG_PPC64)
8628 #define TIF_ELF2ABI 18 /* function descriptors must die! */
8629 #endif
8630 +/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */
8631 +#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */
8632
8633 /* as above, but as bit values */
8634 #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
8635 @@ -125,9 +127,10 @@ static inline struct thread_info *current_thread_info(void)
8636 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
8637 #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE)
8638 #define _TIF_NOHZ (1<<TIF_NOHZ)
8639 +#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
8640 #define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
8641 _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \
8642 - _TIF_NOHZ)
8643 + _TIF_NOHZ | _TIF_GRSEC_SETXID)
8644
8645 #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
8646 _TIF_NOTIFY_RESUME | _TIF_UPROBE | \
8647 diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
8648 index 9485b43..3bd3c16 100644
8649 --- a/arch/powerpc/include/asm/uaccess.h
8650 +++ b/arch/powerpc/include/asm/uaccess.h
8651 @@ -58,6 +58,7 @@
8652
8653 #endif
8654
8655 +#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size))
8656 #define access_ok(type, addr, size) \
8657 (__chk_user_ptr(addr), \
8658 __access_ok((__force unsigned long)(addr), (size), get_fs()))
8659 @@ -318,52 +319,6 @@ do { \
8660 extern unsigned long __copy_tofrom_user(void __user *to,
8661 const void __user *from, unsigned long size);
8662
8663 -#ifndef __powerpc64__
8664 -
8665 -static inline unsigned long copy_from_user(void *to,
8666 - const void __user *from, unsigned long n)
8667 -{
8668 - unsigned long over;
8669 -
8670 - if (access_ok(VERIFY_READ, from, n))
8671 - return __copy_tofrom_user((__force void __user *)to, from, n);
8672 - if ((unsigned long)from < TASK_SIZE) {
8673 - over = (unsigned long)from + n - TASK_SIZE;
8674 - return __copy_tofrom_user((__force void __user *)to, from,
8675 - n - over) + over;
8676 - }
8677 - return n;
8678 -}
8679 -
8680 -static inline unsigned long copy_to_user(void __user *to,
8681 - const void *from, unsigned long n)
8682 -{
8683 - unsigned long over;
8684 -
8685 - if (access_ok(VERIFY_WRITE, to, n))
8686 - return __copy_tofrom_user(to, (__force void __user *)from, n);
8687 - if ((unsigned long)to < TASK_SIZE) {
8688 - over = (unsigned long)to + n - TASK_SIZE;
8689 - return __copy_tofrom_user(to, (__force void __user *)from,
8690 - n - over) + over;
8691 - }
8692 - return n;
8693 -}
8694 -
8695 -#else /* __powerpc64__ */
8696 -
8697 -#define __copy_in_user(to, from, size) \
8698 - __copy_tofrom_user((to), (from), (size))
8699 -
8700 -extern unsigned long copy_from_user(void *to, const void __user *from,
8701 - unsigned long n);
8702 -extern unsigned long copy_to_user(void __user *to, const void *from,
8703 - unsigned long n);
8704 -extern unsigned long copy_in_user(void __user *to, const void __user *from,
8705 - unsigned long n);
8706 -
8707 -#endif /* __powerpc64__ */
8708 -
8709 static inline unsigned long __copy_from_user_inatomic(void *to,
8710 const void __user *from, unsigned long n)
8711 {
8712 @@ -387,6 +342,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
8713 if (ret == 0)
8714 return 0;
8715 }
8716 +
8717 + if (!__builtin_constant_p(n))
8718 + check_object_size(to, n, false);
8719 +
8720 return __copy_tofrom_user((__force void __user *)to, from, n);
8721 }
8722
8723 @@ -413,6 +372,10 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
8724 if (ret == 0)
8725 return 0;
8726 }
8727 +
8728 + if (!__builtin_constant_p(n))
8729 + check_object_size(from, n, true);
8730 +
8731 return __copy_tofrom_user(to, (__force const void __user *)from, n);
8732 }
8733
8734 @@ -430,6 +393,92 @@ static inline unsigned long __copy_to_user(void __user *to,
8735 return __copy_to_user_inatomic(to, from, size);
8736 }
8737
8738 +#ifndef __powerpc64__
8739 +
8740 +static inline unsigned long __must_check copy_from_user(void *to,
8741 + const void __user *from, unsigned long n)
8742 +{
8743 + unsigned long over;
8744 +
8745 + if ((long)n < 0)
8746 + return n;
8747 +
8748 + if (access_ok(VERIFY_READ, from, n)) {
8749 + if (!__builtin_constant_p(n))
8750 + check_object_size(to, n, false);
8751 + return __copy_tofrom_user((__force void __user *)to, from, n);
8752 + }
8753 + if ((unsigned long)from < TASK_SIZE) {
8754 + over = (unsigned long)from + n - TASK_SIZE;
8755 + if (!__builtin_constant_p(n - over))
8756 + check_object_size(to, n - over, false);
8757 + return __copy_tofrom_user((__force void __user *)to, from,
8758 + n - over) + over;
8759 + }
8760 + return n;
8761 +}
8762 +
8763 +static inline unsigned long __must_check copy_to_user(void __user *to,
8764 + const void *from, unsigned long n)
8765 +{
8766 + unsigned long over;
8767 +
8768 + if ((long)n < 0)
8769 + return n;
8770 +
8771 + if (access_ok(VERIFY_WRITE, to, n)) {
8772 + if (!__builtin_constant_p(n))
8773 + check_object_size(from, n, true);
8774 + return __copy_tofrom_user(to, (__force void __user *)from, n);
8775 + }
8776 + if ((unsigned long)to < TASK_SIZE) {
8777 + over = (unsigned long)to + n - TASK_SIZE;
8778 + if (!__builtin_constant_p(n))
8779 + check_object_size(from, n - over, true);
8780 + return __copy_tofrom_user(to, (__force void __user *)from,
8781 + n - over) + over;
8782 + }
8783 + return n;
8784 +}
8785 +
8786 +#else /* __powerpc64__ */
8787 +
8788 +#define __copy_in_user(to, from, size) \
8789 + __copy_tofrom_user((to), (from), (size))
8790 +
8791 +static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
8792 +{
8793 + if ((long)n < 0 || n > INT_MAX)
8794 + return n;
8795 +
8796 + if (!__builtin_constant_p(n))
8797 + check_object_size(to, n, false);
8798 +
8799 + if (likely(access_ok(VERIFY_READ, from, n)))
8800 + n = __copy_from_user(to, from, n);
8801 + else
8802 + memset(to, 0, n);
8803 + return n;
8804 +}
8805 +
8806 +static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
8807 +{
8808 + if ((long)n < 0 || n > INT_MAX)
8809 + return n;
8810 +
8811 + if (likely(access_ok(VERIFY_WRITE, to, n))) {
8812 + if (!__builtin_constant_p(n))
8813 + check_object_size(from, n, true);
8814 + n = __copy_to_user(to, from, n);
8815 + }
8816 + return n;
8817 +}
8818 +
8819 +extern unsigned long copy_in_user(void __user *to, const void __user *from,
8820 + unsigned long n);
8821 +
8822 +#endif /* __powerpc64__ */
8823 +
8824 extern unsigned long __clear_user(void __user *addr, unsigned long size);
8825
8826 static inline unsigned long clear_user(void __user *addr, unsigned long size)
8827 diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
8828 index 502cf69..822e63b 100644
8829 --- a/arch/powerpc/kernel/Makefile
8830 +++ b/arch/powerpc/kernel/Makefile
8831 @@ -27,6 +27,8 @@ CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog
8832 CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog
8833 endif
8834
8835 +CFLAGS_REMOVE_prom_init.o += $(LATENT_ENTROPY_PLUGIN_CFLAGS)
8836 +
8837 obj-y := cputable.o ptrace.o syscalls.o \
8838 irq.o align.o signal_32.o pmc.o vdso.o \
8839 process.o systbl.o idle.o \
8840 diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
8841 index 3e68d1c..72a5ee6 100644
8842 --- a/arch/powerpc/kernel/exceptions-64e.S
8843 +++ b/arch/powerpc/kernel/exceptions-64e.S
8844 @@ -1010,6 +1010,7 @@ storage_fault_common:
8845 std r14,_DAR(r1)
8846 std r15,_DSISR(r1)
8847 addi r3,r1,STACK_FRAME_OVERHEAD
8848 + bl save_nvgprs
8849 mr r4,r14
8850 mr r5,r15
8851 ld r14,PACA_EXGEN+EX_R14(r13)
8852 @@ -1018,8 +1019,7 @@ storage_fault_common:
8853 cmpdi r3,0
8854 bne- 1f
8855 b ret_from_except_lite
8856 -1: bl save_nvgprs
8857 - mr r5,r3
8858 +1: mr r5,r3
8859 addi r3,r1,STACK_FRAME_OVERHEAD
8860 ld r4,_DAR(r1)
8861 bl bad_page_fault
8862 diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
8863 index 72e783e..fe058e2 100644
8864 --- a/arch/powerpc/kernel/exceptions-64s.S
8865 +++ b/arch/powerpc/kernel/exceptions-64s.S
8866 @@ -1588,10 +1588,10 @@ handle_page_fault:
8867 11: ld r4,_DAR(r1)
8868 ld r5,_DSISR(r1)
8869 addi r3,r1,STACK_FRAME_OVERHEAD
8870 + bl save_nvgprs
8871 bl do_page_fault
8872 cmpdi r3,0
8873 beq+ 12f
8874 - bl save_nvgprs
8875 mr r5,r3
8876 addi r3,r1,STACK_FRAME_OVERHEAD
8877 lwz r4,_DAR(r1)
8878 diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
8879 index c143835..5a9697f 100644
8880 --- a/arch/powerpc/kernel/irq.c
8881 +++ b/arch/powerpc/kernel/irq.c
8882 @@ -461,6 +461,8 @@ void migrate_irqs(void)
8883 }
8884 #endif
8885
8886 +extern void gr_handle_kernel_exploit(void);
8887 +
8888 static inline void check_stack_overflow(void)
8889 {
8890 #ifdef CONFIG_DEBUG_STACKOVERFLOW
8891 @@ -473,6 +475,7 @@ static inline void check_stack_overflow(void)
8892 pr_err("do_IRQ: stack overflow: %ld\n",
8893 sp - sizeof(struct thread_info));
8894 dump_stack();
8895 + gr_handle_kernel_exploit();
8896 }
8897 #endif
8898 }
8899 diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
8900 index c94d2e0..992a9ce 100644
8901 --- a/arch/powerpc/kernel/module_32.c
8902 +++ b/arch/powerpc/kernel/module_32.c
8903 @@ -158,7 +158,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
8904 me->arch.core_plt_section = i;
8905 }
8906 if (!me->arch.core_plt_section || !me->arch.init_plt_section) {
8907 - pr_err("Module doesn't contain .plt or .init.plt sections.\n");
8908 + pr_err("Module $s doesn't contain .plt or .init.plt sections.\n", me->name);
8909 return -ENOEXEC;
8910 }
8911
8912 @@ -188,11 +188,16 @@ static uint32_t do_plt_call(void *location,
8913
8914 pr_debug("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location);
8915 /* Init, or core PLT? */
8916 - if (location >= mod->module_core
8917 - && location < mod->module_core + mod->core_size)
8918 + if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) ||
8919 + (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw))
8920 entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr;
8921 - else
8922 + else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) ||
8923 + (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw))
8924 entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr;
8925 + else {
8926 + printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name);
8927 + return ~0UL;
8928 + }
8929
8930 /* Find this entry, or if that fails, the next avail. entry */
8931 while (entry->jump[0]) {
8932 @@ -296,7 +301,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
8933 }
8934 #ifdef CONFIG_DYNAMIC_FTRACE
8935 module->arch.tramp =
8936 - do_plt_call(module->module_core,
8937 + do_plt_call(module->module_core_rx,
8938 (unsigned long)ftrace_caller,
8939 sechdrs, module);
8940 #endif
8941 diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
8942 index 923cd2d..ae782a9 100644
8943 --- a/arch/powerpc/kernel/process.c
8944 +++ b/arch/powerpc/kernel/process.c
8945 @@ -1040,8 +1040,8 @@ void show_regs(struct pt_regs * regs)
8946 * Lookup NIP late so we have the best change of getting the
8947 * above info out without failing
8948 */
8949 - printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip);
8950 - printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link);
8951 + printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip);
8952 + printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link);
8953 #endif
8954 show_stack(current, (unsigned long *) regs->gpr[1]);
8955 if (!user_mode(regs))
8956 @@ -1560,10 +1560,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
8957 newsp = stack[0];
8958 ip = stack[STACK_FRAME_LR_SAVE];
8959 if (!firstframe || ip != lr) {
8960 - printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
8961 + printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip);
8962 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
8963 if ((ip == rth || ip == mrth) && curr_frame >= 0) {
8964 - printk(" (%pS)",
8965 + printk(" (%pA)",
8966 (void *)current->ret_stack[curr_frame].ret);
8967 curr_frame--;
8968 }
8969 @@ -1583,7 +1583,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
8970 struct pt_regs *regs = (struct pt_regs *)
8971 (sp + STACK_FRAME_OVERHEAD);
8972 lr = regs->link;
8973 - printk("--- interrupt: %lx at %pS\n LR = %pS\n",
8974 + printk("--- interrupt: %lx at %pA\n LR = %pA\n",
8975 regs->trap, (void *)regs->nip, (void *)lr);
8976 firstframe = 1;
8977 }
8978 @@ -1619,58 +1619,3 @@ void notrace __ppc64_runlatch_off(void)
8979 mtspr(SPRN_CTRLT, ctrl);
8980 }
8981 #endif /* CONFIG_PPC64 */
8982 -
8983 -unsigned long arch_align_stack(unsigned long sp)
8984 -{
8985 - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
8986 - sp -= get_random_int() & ~PAGE_MASK;
8987 - return sp & ~0xf;
8988 -}
8989 -
8990 -static inline unsigned long brk_rnd(void)
8991 -{
8992 - unsigned long rnd = 0;
8993 -
8994 - /* 8MB for 32bit, 1GB for 64bit */
8995 - if (is_32bit_task())
8996 - rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT)));
8997 - else
8998 - rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT)));
8999 -
9000 - return rnd << PAGE_SHIFT;
9001 -}
9002 -
9003 -unsigned long arch_randomize_brk(struct mm_struct *mm)
9004 -{
9005 - unsigned long base = mm->brk;
9006 - unsigned long ret;
9007 -
9008 -#ifdef CONFIG_PPC_STD_MMU_64
9009 - /*
9010 - * If we are using 1TB segments and we are allowed to randomise
9011 - * the heap, we can put it above 1TB so it is backed by a 1TB
9012 - * segment. Otherwise the heap will be in the bottom 1TB
9013 - * which always uses 256MB segments and this may result in a
9014 - * performance penalty.
9015 - */
9016 - if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T))
9017 - base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T);
9018 -#endif
9019 -
9020 - ret = PAGE_ALIGN(base + brk_rnd());
9021 -
9022 - if (ret < mm->brk)
9023 - return mm->brk;
9024 -
9025 - return ret;
9026 -}
9027 -
9028 -unsigned long randomize_et_dyn(unsigned long base)
9029 -{
9030 - unsigned long ret = PAGE_ALIGN(base + brk_rnd());
9031 -
9032 - if (ret < base)
9033 - return base;
9034 -
9035 - return ret;
9036 -}
9037 diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
9038 index f21897b..28c0428 100644
9039 --- a/arch/powerpc/kernel/ptrace.c
9040 +++ b/arch/powerpc/kernel/ptrace.c
9041 @@ -1762,6 +1762,10 @@ long arch_ptrace(struct task_struct *child, long request,
9042 return ret;
9043 }
9044
9045 +#ifdef CONFIG_GRKERNSEC_SETXID
9046 +extern void gr_delayed_cred_worker(void);
9047 +#endif
9048 +
9049 /*
9050 * We must return the syscall number to actually look up in the table.
9051 * This can be -1L to skip running any syscall at all.
9052 @@ -1774,6 +1778,11 @@ long do_syscall_trace_enter(struct pt_regs *regs)
9053
9054 secure_computing_strict(regs->gpr[0]);
9055
9056 +#ifdef CONFIG_GRKERNSEC_SETXID
9057 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
9058 + gr_delayed_cred_worker();
9059 +#endif
9060 +
9061 if (test_thread_flag(TIF_SYSCALL_TRACE) &&
9062 tracehook_report_syscall_entry(regs))
9063 /*
9064 @@ -1805,6 +1814,11 @@ void do_syscall_trace_leave(struct pt_regs *regs)
9065 {
9066 int step;
9067
9068 +#ifdef CONFIG_GRKERNSEC_SETXID
9069 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
9070 + gr_delayed_cred_worker();
9071 +#endif
9072 +
9073 audit_syscall_exit(regs);
9074
9075 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
9076 diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
9077 index b171001..4ac7ac5 100644
9078 --- a/arch/powerpc/kernel/signal_32.c
9079 +++ b/arch/powerpc/kernel/signal_32.c
9080 @@ -1011,7 +1011,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset,
9081 /* Save user registers on the stack */
9082 frame = &rt_sf->uc.uc_mcontext;
9083 addr = frame;
9084 - if (vdso32_rt_sigtramp && current->mm->context.vdso_base) {
9085 + if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
9086 sigret = 0;
9087 tramp = current->mm->context.vdso_base + vdso32_rt_sigtramp;
9088 } else {
9089 diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
9090 index 2cb0c94..c0c0bc9 100644
9091 --- a/arch/powerpc/kernel/signal_64.c
9092 +++ b/arch/powerpc/kernel/signal_64.c
9093 @@ -754,7 +754,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs
9094 current->thread.fp_state.fpscr = 0;
9095
9096 /* Set up to return from userspace. */
9097 - if (vdso64_rt_sigtramp && current->mm->context.vdso_base) {
9098 + if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) {
9099 regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp;
9100 } else {
9101 err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]);
9102 diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
9103 index 0dc43f9..a885d33 100644
9104 --- a/arch/powerpc/kernel/traps.c
9105 +++ b/arch/powerpc/kernel/traps.c
9106 @@ -36,6 +36,7 @@
9107 #include <linux/debugfs.h>
9108 #include <linux/ratelimit.h>
9109 #include <linux/context_tracking.h>
9110 +#include <linux/uaccess.h>
9111
9112 #include <asm/emulated_ops.h>
9113 #include <asm/pgtable.h>
9114 @@ -142,6 +143,8 @@ static unsigned __kprobes long oops_begin(struct pt_regs *regs)
9115 return flags;
9116 }
9117
9118 +extern void gr_handle_kernel_exploit(void);
9119 +
9120 static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
9121 int signr)
9122 {
9123 @@ -191,6 +194,9 @@ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs,
9124 panic("Fatal exception in interrupt");
9125 if (panic_on_oops)
9126 panic("Fatal exception");
9127 +
9128 + gr_handle_kernel_exploit();
9129 +
9130 do_exit(signr);
9131 }
9132
9133 @@ -1137,6 +1143,26 @@ void __kprobes program_check_exception(struct pt_regs *regs)
9134 enum ctx_state prev_state = exception_enter();
9135 unsigned int reason = get_reason(regs);
9136
9137 +#ifdef CONFIG_PAX_REFCOUNT
9138 + unsigned int bkpt;
9139 + const struct exception_table_entry *entry;
9140 +
9141 + if (reason & REASON_ILLEGAL) {
9142 + /* Check if PaX bad instruction */
9143 + if (!probe_kernel_address(regs->nip, bkpt) && bkpt == 0xc00b00) {
9144 + current->thread.trap_nr = 0;
9145 + pax_report_refcount_overflow(regs);
9146 + /* fixup_exception() for PowerPC does not exist, simulate its job */
9147 + if ((entry = search_exception_tables(regs->nip)) != NULL) {
9148 + regs->nip = entry->fixup;
9149 + return;
9150 + }
9151 + /* fixup_exception() could not handle */
9152 + goto bail;
9153 + }
9154 + }
9155 +#endif
9156 +
9157 /* We can now get here via a FP Unavailable exception if the core
9158 * has no FPU, in that case the reason flags will be 0 */
9159
9160 diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
9161 index f174351..5722009 100644
9162 --- a/arch/powerpc/kernel/vdso.c
9163 +++ b/arch/powerpc/kernel/vdso.c
9164 @@ -35,6 +35,7 @@
9165 #include <asm/vdso.h>
9166 #include <asm/vdso_datapage.h>
9167 #include <asm/setup.h>
9168 +#include <asm/mman.h>
9169
9170 #undef DEBUG
9171
9172 @@ -221,7 +222,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
9173 vdso_base = VDSO32_MBASE;
9174 #endif
9175
9176 - current->mm->context.vdso_base = 0;
9177 + current->mm->context.vdso_base = ~0UL;
9178
9179 /* vDSO has a problem and was disabled, just don't "enable" it for the
9180 * process
9181 @@ -241,7 +242,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
9182 vdso_base = get_unmapped_area(NULL, vdso_base,
9183 (vdso_pages << PAGE_SHIFT) +
9184 ((VDSO_ALIGNMENT - 1) & PAGE_MASK),
9185 - 0, 0);
9186 + 0, MAP_PRIVATE | MAP_EXECUTABLE);
9187 if (IS_ERR_VALUE(vdso_base)) {
9188 rc = vdso_base;
9189 goto fail_mmapsem;
9190 diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
9191 index c1f8f53..71a3b96 100644
9192 --- a/arch/powerpc/kvm/powerpc.c
9193 +++ b/arch/powerpc/kvm/powerpc.c
9194 @@ -1409,7 +1409,7 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param)
9195 }
9196 EXPORT_SYMBOL_GPL(kvmppc_init_lpid);
9197
9198 -int kvm_arch_init(void *opaque)
9199 +int kvm_arch_init(const void *opaque)
9200 {
9201 return 0;
9202 }
9203 diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c
9204 index 5eea6f3..5d10396 100644
9205 --- a/arch/powerpc/lib/usercopy_64.c
9206 +++ b/arch/powerpc/lib/usercopy_64.c
9207 @@ -9,22 +9,6 @@
9208 #include <linux/module.h>
9209 #include <asm/uaccess.h>
9210
9211 -unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
9212 -{
9213 - if (likely(access_ok(VERIFY_READ, from, n)))
9214 - n = __copy_from_user(to, from, n);
9215 - else
9216 - memset(to, 0, n);
9217 - return n;
9218 -}
9219 -
9220 -unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
9221 -{
9222 - if (likely(access_ok(VERIFY_WRITE, to, n)))
9223 - n = __copy_to_user(to, from, n);
9224 - return n;
9225 -}
9226 -
9227 unsigned long copy_in_user(void __user *to, const void __user *from,
9228 unsigned long n)
9229 {
9230 @@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from,
9231 return n;
9232 }
9233
9234 -EXPORT_SYMBOL(copy_from_user);
9235 -EXPORT_SYMBOL(copy_to_user);
9236 EXPORT_SYMBOL(copy_in_user);
9237
9238 diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
9239 index 08d659a..ab329f4 100644
9240 --- a/arch/powerpc/mm/fault.c
9241 +++ b/arch/powerpc/mm/fault.c
9242 @@ -33,6 +33,10 @@
9243 #include <linux/ratelimit.h>
9244 #include <linux/context_tracking.h>
9245 #include <linux/hugetlb.h>
9246 +#include <linux/slab.h>
9247 +#include <linux/pagemap.h>
9248 +#include <linux/compiler.h>
9249 +#include <linux/unistd.h>
9250
9251 #include <asm/firmware.h>
9252 #include <asm/page.h>
9253 @@ -69,6 +73,33 @@ static inline int notify_page_fault(struct pt_regs *regs)
9254 }
9255 #endif
9256
9257 +#ifdef CONFIG_PAX_PAGEEXEC
9258 +/*
9259 + * PaX: decide what to do with offenders (regs->nip = fault address)
9260 + *
9261 + * returns 1 when task should be killed
9262 + */
9263 +static int pax_handle_fetch_fault(struct pt_regs *regs)
9264 +{
9265 + return 1;
9266 +}
9267 +
9268 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
9269 +{
9270 + unsigned long i;
9271 +
9272 + printk(KERN_ERR "PAX: bytes at PC: ");
9273 + for (i = 0; i < 5; i++) {
9274 + unsigned int c;
9275 + if (get_user(c, (unsigned int __user *)pc+i))
9276 + printk(KERN_CONT "???????? ");
9277 + else
9278 + printk(KERN_CONT "%08x ", c);
9279 + }
9280 + printk("\n");
9281 +}
9282 +#endif
9283 +
9284 /*
9285 * Check whether the instruction at regs->nip is a store using
9286 * an update addressing form which will update r1.
9287 @@ -228,7 +259,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
9288 * indicate errors in DSISR but can validly be set in SRR1.
9289 */
9290 if (trap == 0x400)
9291 - error_code &= 0x48200000;
9292 + error_code &= 0x58200000;
9293 else
9294 is_write = error_code & DSISR_ISSTORE;
9295 #else
9296 @@ -390,7 +421,7 @@ good_area:
9297 * "undefined". Of those that can be set, this is the only
9298 * one which seems bad.
9299 */
9300 - if (error_code & 0x10000000)
9301 + if (error_code & DSISR_GUARDED)
9302 /* Guarded storage error. */
9303 goto bad_area;
9304 #endif /* CONFIG_8xx */
9305 @@ -405,7 +436,7 @@ good_area:
9306 * processors use the same I/D cache coherency mechanism
9307 * as embedded.
9308 */
9309 - if (error_code & DSISR_PROTFAULT)
9310 + if (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))
9311 goto bad_area;
9312 #endif /* CONFIG_PPC_STD_MMU */
9313
9314 @@ -495,6 +526,23 @@ bad_area:
9315 bad_area_nosemaphore:
9316 /* User mode accesses cause a SIGSEGV */
9317 if (user_mode(regs)) {
9318 +
9319 +#ifdef CONFIG_PAX_PAGEEXEC
9320 + if (mm->pax_flags & MF_PAX_PAGEEXEC) {
9321 +#ifdef CONFIG_PPC_STD_MMU
9322 + if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) {
9323 +#else
9324 + if (is_exec && regs->nip == address) {
9325 +#endif
9326 + switch (pax_handle_fetch_fault(regs)) {
9327 + }
9328 +
9329 + pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]);
9330 + do_group_exit(SIGKILL);
9331 + }
9332 + }
9333 +#endif
9334 +
9335 _exception(SIGSEGV, regs, code, address);
9336 goto bail;
9337 }
9338 diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
9339 index cb8bdbe..cde4bc7 100644
9340 --- a/arch/powerpc/mm/mmap.c
9341 +++ b/arch/powerpc/mm/mmap.c
9342 @@ -53,10 +53,14 @@ static inline int mmap_is_legacy(void)
9343 return sysctl_legacy_va_layout;
9344 }
9345
9346 -static unsigned long mmap_rnd(void)
9347 +static unsigned long mmap_rnd(struct mm_struct *mm)
9348 {
9349 unsigned long rnd = 0;
9350
9351 +#ifdef CONFIG_PAX_RANDMMAP
9352 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
9353 +#endif
9354 +
9355 if (current->flags & PF_RANDOMIZE) {
9356 /* 8MB for 32bit, 1GB for 64bit */
9357 if (is_32bit_task())
9358 @@ -67,7 +71,7 @@ static unsigned long mmap_rnd(void)
9359 return rnd << PAGE_SHIFT;
9360 }
9361
9362 -static inline unsigned long mmap_base(void)
9363 +static inline unsigned long mmap_base(struct mm_struct *mm)
9364 {
9365 unsigned long gap = rlimit(RLIMIT_STACK);
9366
9367 @@ -76,7 +80,7 @@ static inline unsigned long mmap_base(void)
9368 else if (gap > MAX_GAP)
9369 gap = MAX_GAP;
9370
9371 - return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd());
9372 + return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd(mm));
9373 }
9374
9375 /*
9376 @@ -91,9 +95,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
9377 */
9378 if (mmap_is_legacy()) {
9379 mm->mmap_base = TASK_UNMAPPED_BASE;
9380 +
9381 +#ifdef CONFIG_PAX_RANDMMAP
9382 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9383 + mm->mmap_base += mm->delta_mmap;
9384 +#endif
9385 +
9386 mm->get_unmapped_area = arch_get_unmapped_area;
9387 } else {
9388 - mm->mmap_base = mmap_base();
9389 + mm->mmap_base = mmap_base(mm);
9390 +
9391 +#ifdef CONFIG_PAX_RANDMMAP
9392 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9393 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
9394 +#endif
9395 +
9396 mm->get_unmapped_area = arch_get_unmapped_area_topdown;
9397 }
9398 }
9399 diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
9400 index ded0ea1..f213a9b 100644
9401 --- a/arch/powerpc/mm/slice.c
9402 +++ b/arch/powerpc/mm/slice.c
9403 @@ -105,7 +105,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr,
9404 if ((mm->task_size - len) < addr)
9405 return 0;
9406 vma = find_vma(mm, addr);
9407 - return (!vma || (addr + len) <= vma->vm_start);
9408 + return check_heap_stack_gap(vma, addr, len, 0);
9409 }
9410
9411 static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice)
9412 @@ -277,6 +277,12 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm,
9413 info.align_offset = 0;
9414
9415 addr = TASK_UNMAPPED_BASE;
9416 +
9417 +#ifdef CONFIG_PAX_RANDMMAP
9418 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9419 + addr += mm->delta_mmap;
9420 +#endif
9421 +
9422 while (addr < TASK_SIZE) {
9423 info.low_limit = addr;
9424 if (!slice_scan_available(addr, available, 1, &addr))
9425 @@ -410,6 +416,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
9426 if (fixed && addr > (mm->task_size - len))
9427 return -ENOMEM;
9428
9429 +#ifdef CONFIG_PAX_RANDMMAP
9430 + if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP))
9431 + addr = 0;
9432 +#endif
9433 +
9434 /* If hint, make sure it matches our alignment restrictions */
9435 if (!fixed && addr) {
9436 addr = _ALIGN_UP(addr, 1ul << pshift);
9437 diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
9438 index 4278acf..67fd0e6 100644
9439 --- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
9440 +++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
9441 @@ -400,8 +400,8 @@ static int scc_pciex_write_config(struct pci_bus *bus, unsigned int devfn,
9442 }
9443
9444 static struct pci_ops scc_pciex_pci_ops = {
9445 - scc_pciex_read_config,
9446 - scc_pciex_write_config,
9447 + .read = scc_pciex_read_config,
9448 + .write = scc_pciex_write_config,
9449 };
9450
9451 static void pciex_clear_intr_all(unsigned int __iomem *base)
9452 diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
9453 index d966bbe..372124a 100644
9454 --- a/arch/powerpc/platforms/cell/spufs/file.c
9455 +++ b/arch/powerpc/platforms/cell/spufs/file.c
9456 @@ -280,9 +280,9 @@ spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
9457 return VM_FAULT_NOPAGE;
9458 }
9459
9460 -static int spufs_mem_mmap_access(struct vm_area_struct *vma,
9461 +static ssize_t spufs_mem_mmap_access(struct vm_area_struct *vma,
9462 unsigned long address,
9463 - void *buf, int len, int write)
9464 + void *buf, size_t len, int write)
9465 {
9466 struct spu_context *ctx = vma->vm_file->private_data;
9467 unsigned long offset = address - vma->vm_start;
9468 diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
9469 index fa934fe..c296056 100644
9470 --- a/arch/s390/include/asm/atomic.h
9471 +++ b/arch/s390/include/asm/atomic.h
9472 @@ -412,4 +412,14 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
9473 #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0)
9474 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
9475
9476 +#define atomic64_read_unchecked(v) atomic64_read(v)
9477 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
9478 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
9479 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
9480 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
9481 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
9482 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
9483 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
9484 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
9485 +
9486 #endif /* __ARCH_S390_ATOMIC__ */
9487 diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
9488 index b5dce65..8aca09a 100644
9489 --- a/arch/s390/include/asm/barrier.h
9490 +++ b/arch/s390/include/asm/barrier.h
9491 @@ -39,7 +39,7 @@
9492 do { \
9493 compiletime_assert_atomic_type(*p); \
9494 barrier(); \
9495 - ACCESS_ONCE(*p) = (v); \
9496 + ACCESS_ONCE_RW(*p) = (v); \
9497 } while (0)
9498
9499 #define smp_load_acquire(p) \
9500 diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
9501 index 4d7ccac..d03d0ad 100644
9502 --- a/arch/s390/include/asm/cache.h
9503 +++ b/arch/s390/include/asm/cache.h
9504 @@ -9,8 +9,10 @@
9505 #ifndef __ARCH_S390_CACHE_H
9506 #define __ARCH_S390_CACHE_H
9507
9508 -#define L1_CACHE_BYTES 256
9509 +#include <linux/const.h>
9510 +
9511 #define L1_CACHE_SHIFT 8
9512 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
9513 #define NET_SKB_PAD 32
9514
9515 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
9516 diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
9517 index f6e43d3..5f57681 100644
9518 --- a/arch/s390/include/asm/elf.h
9519 +++ b/arch/s390/include/asm/elf.h
9520 @@ -163,8 +163,14 @@ extern unsigned int vdso_enabled;
9521 the loader. We need to make sure that it is out of the way of the program
9522 that it will "exec", and that there is sufficient room for the brk. */
9523
9524 -extern unsigned long randomize_et_dyn(unsigned long base);
9525 -#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2))
9526 +#define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2)
9527 +
9528 +#ifdef CONFIG_PAX_ASLR
9529 +#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL)
9530 +
9531 +#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
9532 +#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26)
9533 +#endif
9534
9535 /* This yields a mask that user programs can use to figure out what
9536 instruction set this CPU supports. */
9537 @@ -223,9 +229,6 @@ struct linux_binprm;
9538 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
9539 int arch_setup_additional_pages(struct linux_binprm *, int);
9540
9541 -extern unsigned long arch_randomize_brk(struct mm_struct *mm);
9542 -#define arch_randomize_brk arch_randomize_brk
9543 -
9544 void *fill_cpu_elf_notes(void *ptr, struct save_area *sa, __vector128 *vxrs);
9545
9546 #endif
9547 diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h
9548 index c4a93d6..4d2a9b4 100644
9549 --- a/arch/s390/include/asm/exec.h
9550 +++ b/arch/s390/include/asm/exec.h
9551 @@ -7,6 +7,6 @@
9552 #ifndef __ASM_EXEC_H
9553 #define __ASM_EXEC_H
9554
9555 -extern unsigned long arch_align_stack(unsigned long sp);
9556 +#define arch_align_stack(x) ((x) & ~0xfUL)
9557
9558 #endif /* __ASM_EXEC_H */
9559 diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
9560 index cd4c68e..6764641 100644
9561 --- a/arch/s390/include/asm/uaccess.h
9562 +++ b/arch/s390/include/asm/uaccess.h
9563 @@ -59,6 +59,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size)
9564 __range_ok((unsigned long)(addr), (size)); \
9565 })
9566
9567 +#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size))
9568 #define access_ok(type, addr, size) __access_ok(addr, size)
9569
9570 /*
9571 @@ -275,6 +276,10 @@ static inline unsigned long __must_check
9572 copy_to_user(void __user *to, const void *from, unsigned long n)
9573 {
9574 might_fault();
9575 +
9576 + if ((long)n < 0)
9577 + return n;
9578 +
9579 return __copy_to_user(to, from, n);
9580 }
9581
9582 @@ -303,10 +308,14 @@ __compiletime_warning("copy_from_user() buffer size is not provably correct")
9583 static inline unsigned long __must_check
9584 copy_from_user(void *to, const void __user *from, unsigned long n)
9585 {
9586 - unsigned int sz = __compiletime_object_size(to);
9587 + size_t sz = __compiletime_object_size(to);
9588
9589 might_fault();
9590 - if (unlikely(sz != -1 && sz < n)) {
9591 +
9592 + if ((long)n < 0)
9593 + return n;
9594 +
9595 + if (unlikely(sz != (size_t)-1 && sz < n)) {
9596 copy_from_user_overflow();
9597 return n;
9598 }
9599 diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
9600 index b89b591..fd9609d 100644
9601 --- a/arch/s390/kernel/module.c
9602 +++ b/arch/s390/kernel/module.c
9603 @@ -169,11 +169,11 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
9604
9605 /* Increase core size by size of got & plt and set start
9606 offsets for got and plt. */
9607 - me->core_size = ALIGN(me->core_size, 4);
9608 - me->arch.got_offset = me->core_size;
9609 - me->core_size += me->arch.got_size;
9610 - me->arch.plt_offset = me->core_size;
9611 - me->core_size += me->arch.plt_size;
9612 + me->core_size_rw = ALIGN(me->core_size_rw, 4);
9613 + me->arch.got_offset = me->core_size_rw;
9614 + me->core_size_rw += me->arch.got_size;
9615 + me->arch.plt_offset = me->core_size_rx;
9616 + me->core_size_rx += me->arch.plt_size;
9617 return 0;
9618 }
9619
9620 @@ -289,7 +289,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9621 if (info->got_initialized == 0) {
9622 Elf_Addr *gotent;
9623
9624 - gotent = me->module_core + me->arch.got_offset +
9625 + gotent = me->module_core_rw + me->arch.got_offset +
9626 info->got_offset;
9627 *gotent = val;
9628 info->got_initialized = 1;
9629 @@ -312,7 +312,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9630 rc = apply_rela_bits(loc, val, 0, 64, 0);
9631 else if (r_type == R_390_GOTENT ||
9632 r_type == R_390_GOTPLTENT) {
9633 - val += (Elf_Addr) me->module_core - loc;
9634 + val += (Elf_Addr) me->module_core_rw - loc;
9635 rc = apply_rela_bits(loc, val, 1, 32, 1);
9636 }
9637 break;
9638 @@ -325,7 +325,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9639 case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */
9640 if (info->plt_initialized == 0) {
9641 unsigned int *ip;
9642 - ip = me->module_core + me->arch.plt_offset +
9643 + ip = me->module_core_rx + me->arch.plt_offset +
9644 info->plt_offset;
9645 #ifndef CONFIG_64BIT
9646 ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */
9647 @@ -350,7 +350,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9648 val - loc + 0xffffUL < 0x1ffffeUL) ||
9649 (r_type == R_390_PLT32DBL &&
9650 val - loc + 0xffffffffULL < 0x1fffffffeULL)))
9651 - val = (Elf_Addr) me->module_core +
9652 + val = (Elf_Addr) me->module_core_rx +
9653 me->arch.plt_offset +
9654 info->plt_offset;
9655 val += rela->r_addend - loc;
9656 @@ -372,7 +372,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9657 case R_390_GOTOFF32: /* 32 bit offset to GOT. */
9658 case R_390_GOTOFF64: /* 64 bit offset to GOT. */
9659 val = val + rela->r_addend -
9660 - ((Elf_Addr) me->module_core + me->arch.got_offset);
9661 + ((Elf_Addr) me->module_core_rw + me->arch.got_offset);
9662 if (r_type == R_390_GOTOFF16)
9663 rc = apply_rela_bits(loc, val, 0, 16, 0);
9664 else if (r_type == R_390_GOTOFF32)
9665 @@ -382,7 +382,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
9666 break;
9667 case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */
9668 case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */
9669 - val = (Elf_Addr) me->module_core + me->arch.got_offset +
9670 + val = (Elf_Addr) me->module_core_rw + me->arch.got_offset +
9671 rela->r_addend - loc;
9672 if (r_type == R_390_GOTPC)
9673 rc = apply_rela_bits(loc, val, 1, 32, 0);
9674 diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
9675 index ed84cc2..c05a9d2 100644
9676 --- a/arch/s390/kernel/process.c
9677 +++ b/arch/s390/kernel/process.c
9678 @@ -218,37 +218,3 @@ unsigned long get_wchan(struct task_struct *p)
9679 }
9680 return 0;
9681 }
9682 -
9683 -unsigned long arch_align_stack(unsigned long sp)
9684 -{
9685 - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
9686 - sp -= get_random_int() & ~PAGE_MASK;
9687 - return sp & ~0xf;
9688 -}
9689 -
9690 -static inline unsigned long brk_rnd(void)
9691 -{
9692 - /* 8MB for 32bit, 1GB for 64bit */
9693 - if (is_32bit_task())
9694 - return (get_random_int() & 0x7ffUL) << PAGE_SHIFT;
9695 - else
9696 - return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT;
9697 -}
9698 -
9699 -unsigned long arch_randomize_brk(struct mm_struct *mm)
9700 -{
9701 - unsigned long ret;
9702 -
9703 - ret = PAGE_ALIGN(mm->brk + brk_rnd());
9704 - return (ret > mm->brk) ? ret : mm->brk;
9705 -}
9706 -
9707 -unsigned long randomize_et_dyn(unsigned long base)
9708 -{
9709 - unsigned long ret;
9710 -
9711 - if (!(current->flags & PF_RANDOMIZE))
9712 - return base;
9713 - ret = PAGE_ALIGN(base + brk_rnd());
9714 - return (ret > base) ? ret : base;
9715 -}
9716 diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
9717 index 9b436c2..54fbf0a 100644
9718 --- a/arch/s390/mm/mmap.c
9719 +++ b/arch/s390/mm/mmap.c
9720 @@ -95,9 +95,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
9721 */
9722 if (mmap_is_legacy()) {
9723 mm->mmap_base = mmap_base_legacy();
9724 +
9725 +#ifdef CONFIG_PAX_RANDMMAP
9726 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9727 + mm->mmap_base += mm->delta_mmap;
9728 +#endif
9729 +
9730 mm->get_unmapped_area = arch_get_unmapped_area;
9731 } else {
9732 mm->mmap_base = mmap_base();
9733 +
9734 +#ifdef CONFIG_PAX_RANDMMAP
9735 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9736 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
9737 +#endif
9738 +
9739 mm->get_unmapped_area = arch_get_unmapped_area_topdown;
9740 }
9741 }
9742 @@ -170,9 +182,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
9743 */
9744 if (mmap_is_legacy()) {
9745 mm->mmap_base = mmap_base_legacy();
9746 +
9747 +#ifdef CONFIG_PAX_RANDMMAP
9748 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9749 + mm->mmap_base += mm->delta_mmap;
9750 +#endif
9751 +
9752 mm->get_unmapped_area = s390_get_unmapped_area;
9753 } else {
9754 mm->mmap_base = mmap_base();
9755 +
9756 +#ifdef CONFIG_PAX_RANDMMAP
9757 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9758 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
9759 +#endif
9760 +
9761 mm->get_unmapped_area = s390_get_unmapped_area_topdown;
9762 }
9763 }
9764 diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
9765 index ae3d59f..f65f075 100644
9766 --- a/arch/score/include/asm/cache.h
9767 +++ b/arch/score/include/asm/cache.h
9768 @@ -1,7 +1,9 @@
9769 #ifndef _ASM_SCORE_CACHE_H
9770 #define _ASM_SCORE_CACHE_H
9771
9772 +#include <linux/const.h>
9773 +
9774 #define L1_CACHE_SHIFT 4
9775 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
9776 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
9777
9778 #endif /* _ASM_SCORE_CACHE_H */
9779 diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
9780 index f9f3cd5..58ff438 100644
9781 --- a/arch/score/include/asm/exec.h
9782 +++ b/arch/score/include/asm/exec.h
9783 @@ -1,6 +1,6 @@
9784 #ifndef _ASM_SCORE_EXEC_H
9785 #define _ASM_SCORE_EXEC_H
9786
9787 -extern unsigned long arch_align_stack(unsigned long sp);
9788 +#define arch_align_stack(x) (x)
9789
9790 #endif /* _ASM_SCORE_EXEC_H */
9791 diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
9792 index a1519ad3..e8ac1ff 100644
9793 --- a/arch/score/kernel/process.c
9794 +++ b/arch/score/kernel/process.c
9795 @@ -116,8 +116,3 @@ unsigned long get_wchan(struct task_struct *task)
9796
9797 return task_pt_regs(task)->cp0_epc;
9798 }
9799 -
9800 -unsigned long arch_align_stack(unsigned long sp)
9801 -{
9802 - return sp;
9803 -}
9804 diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
9805 index ef9e555..331bd29 100644
9806 --- a/arch/sh/include/asm/cache.h
9807 +++ b/arch/sh/include/asm/cache.h
9808 @@ -9,10 +9,11 @@
9809 #define __ASM_SH_CACHE_H
9810 #ifdef __KERNEL__
9811
9812 +#include <linux/const.h>
9813 #include <linux/init.h>
9814 #include <cpu/cache.h>
9815
9816 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
9817 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
9818
9819 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
9820
9821 diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
9822 index 6777177..cb5e44f 100644
9823 --- a/arch/sh/mm/mmap.c
9824 +++ b/arch/sh/mm/mmap.c
9825 @@ -36,6 +36,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
9826 struct mm_struct *mm = current->mm;
9827 struct vm_area_struct *vma;
9828 int do_colour_align;
9829 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
9830 struct vm_unmapped_area_info info;
9831
9832 if (flags & MAP_FIXED) {
9833 @@ -55,6 +56,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
9834 if (filp || (flags & MAP_SHARED))
9835 do_colour_align = 1;
9836
9837 +#ifdef CONFIG_PAX_RANDMMAP
9838 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
9839 +#endif
9840 +
9841 if (addr) {
9842 if (do_colour_align)
9843 addr = COLOUR_ALIGN(addr, pgoff);
9844 @@ -62,14 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
9845 addr = PAGE_ALIGN(addr);
9846
9847 vma = find_vma(mm, addr);
9848 - if (TASK_SIZE - len >= addr &&
9849 - (!vma || addr + len <= vma->vm_start))
9850 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
9851 return addr;
9852 }
9853
9854 info.flags = 0;
9855 info.length = len;
9856 - info.low_limit = TASK_UNMAPPED_BASE;
9857 + info.low_limit = mm->mmap_base;
9858 info.high_limit = TASK_SIZE;
9859 info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0;
9860 info.align_offset = pgoff << PAGE_SHIFT;
9861 @@ -85,6 +89,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
9862 struct mm_struct *mm = current->mm;
9863 unsigned long addr = addr0;
9864 int do_colour_align;
9865 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
9866 struct vm_unmapped_area_info info;
9867
9868 if (flags & MAP_FIXED) {
9869 @@ -104,6 +109,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
9870 if (filp || (flags & MAP_SHARED))
9871 do_colour_align = 1;
9872
9873 +#ifdef CONFIG_PAX_RANDMMAP
9874 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
9875 +#endif
9876 +
9877 /* requesting a specific address */
9878 if (addr) {
9879 if (do_colour_align)
9880 @@ -112,8 +121,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
9881 addr = PAGE_ALIGN(addr);
9882
9883 vma = find_vma(mm, addr);
9884 - if (TASK_SIZE - len >= addr &&
9885 - (!vma || addr + len <= vma->vm_start))
9886 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
9887 return addr;
9888 }
9889
9890 @@ -135,6 +143,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
9891 VM_BUG_ON(addr != -ENOMEM);
9892 info.flags = 0;
9893 info.low_limit = TASK_UNMAPPED_BASE;
9894 +
9895 +#ifdef CONFIG_PAX_RANDMMAP
9896 + if (mm->pax_flags & MF_PAX_RANDMMAP)
9897 + info.low_limit += mm->delta_mmap;
9898 +#endif
9899 +
9900 info.high_limit = TASK_SIZE;
9901 addr = vm_unmapped_area(&info);
9902 }
9903 diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
9904 index 4082749..fd97781 100644
9905 --- a/arch/sparc/include/asm/atomic_64.h
9906 +++ b/arch/sparc/include/asm/atomic_64.h
9907 @@ -15,18 +15,38 @@
9908 #define ATOMIC64_INIT(i) { (i) }
9909
9910 #define atomic_read(v) ACCESS_ONCE((v)->counter)
9911 +static inline int atomic_read_unchecked(const atomic_unchecked_t *v)
9912 +{
9913 + return ACCESS_ONCE(v->counter);
9914 +}
9915 #define atomic64_read(v) ACCESS_ONCE((v)->counter)
9916 +static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v)
9917 +{
9918 + return ACCESS_ONCE(v->counter);
9919 +}
9920
9921 #define atomic_set(v, i) (((v)->counter) = i)
9922 +static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
9923 +{
9924 + v->counter = i;
9925 +}
9926 #define atomic64_set(v, i) (((v)->counter) = i)
9927 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
9928 +{
9929 + v->counter = i;
9930 +}
9931
9932 -#define ATOMIC_OP(op) \
9933 -void atomic_##op(int, atomic_t *); \
9934 -void atomic64_##op(long, atomic64_t *);
9935 +#define __ATOMIC_OP(op, suffix) \
9936 +void atomic_##op##suffix(int, atomic##suffix##_t *); \
9937 +void atomic64_##op##suffix(long, atomic64##suffix##_t *);
9938
9939 -#define ATOMIC_OP_RETURN(op) \
9940 -int atomic_##op##_return(int, atomic_t *); \
9941 -long atomic64_##op##_return(long, atomic64_t *);
9942 +#define ATOMIC_OP(op) __ATOMIC_OP(op, ) __ATOMIC_OP(op, _unchecked)
9943 +
9944 +#define __ATOMIC_OP_RETURN(op, suffix) \
9945 +int atomic_##op##_return##suffix(int, atomic##suffix##_t *); \
9946 +long atomic64_##op##_return##suffix(long, atomic64##suffix##_t *);
9947 +
9948 +#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, ) __ATOMIC_OP_RETURN(op, _unchecked)
9949
9950 #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
9951
9952 @@ -35,13 +55,23 @@ ATOMIC_OPS(sub)
9953
9954 #undef ATOMIC_OPS
9955 #undef ATOMIC_OP_RETURN
9956 +#undef __ATOMIC_OP_RETURN
9957 #undef ATOMIC_OP
9958 +#undef __ATOMIC_OP
9959
9960 #define atomic_dec_return(v) atomic_sub_return(1, v)
9961 #define atomic64_dec_return(v) atomic64_sub_return(1, v)
9962
9963 #define atomic_inc_return(v) atomic_add_return(1, v)
9964 +static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
9965 +{
9966 + return atomic_add_return_unchecked(1, v);
9967 +}
9968 #define atomic64_inc_return(v) atomic64_add_return(1, v)
9969 +static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
9970 +{
9971 + return atomic64_add_return_unchecked(1, v);
9972 +}
9973
9974 /*
9975 * atomic_inc_and_test - increment and test
9976 @@ -52,6 +82,10 @@ ATOMIC_OPS(sub)
9977 * other cases.
9978 */
9979 #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
9980 +static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
9981 +{
9982 + return atomic_inc_return_unchecked(v) == 0;
9983 +}
9984 #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
9985
9986 #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
9987 @@ -61,25 +95,60 @@ ATOMIC_OPS(sub)
9988 #define atomic64_dec_and_test(v) (atomic64_sub_return(1, v) == 0)
9989
9990 #define atomic_inc(v) atomic_add(1, v)
9991 +static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
9992 +{
9993 + atomic_add_unchecked(1, v);
9994 +}
9995 #define atomic64_inc(v) atomic64_add(1, v)
9996 +static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
9997 +{
9998 + atomic64_add_unchecked(1, v);
9999 +}
10000
10001 #define atomic_dec(v) atomic_sub(1, v)
10002 +static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
10003 +{
10004 + atomic_sub_unchecked(1, v);
10005 +}
10006 #define atomic64_dec(v) atomic64_sub(1, v)
10007 +static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
10008 +{
10009 + atomic64_sub_unchecked(1, v);
10010 +}
10011
10012 #define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0)
10013 #define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0)
10014
10015 #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
10016 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
10017 +{
10018 + return cmpxchg(&v->counter, old, new);
10019 +}
10020 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
10021 +static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
10022 +{
10023 + return xchg(&v->counter, new);
10024 +}
10025
10026 static inline int __atomic_add_unless(atomic_t *v, int a, int u)
10027 {
10028 - int c, old;
10029 + int c, old, new;
10030 c = atomic_read(v);
10031 for (;;) {
10032 - if (unlikely(c == (u)))
10033 + if (unlikely(c == u))
10034 break;
10035 - old = atomic_cmpxchg((v), c, c + (a));
10036 +
10037 + asm volatile("addcc %2, %0, %0\n"
10038 +
10039 +#ifdef CONFIG_PAX_REFCOUNT
10040 + "tvs %%icc, 6\n"
10041 +#endif
10042 +
10043 + : "=r" (new)
10044 + : "0" (c), "ir" (a)
10045 + : "cc");
10046 +
10047 + old = atomic_cmpxchg(v, c, new);
10048 if (likely(old == c))
10049 break;
10050 c = old;
10051 @@ -90,20 +159,35 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
10052 #define atomic64_cmpxchg(v, o, n) \
10053 ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
10054 #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
10055 +static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new)
10056 +{
10057 + return xchg(&v->counter, new);
10058 +}
10059
10060 static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
10061 {
10062 - long c, old;
10063 + long c, old, new;
10064 c = atomic64_read(v);
10065 for (;;) {
10066 - if (unlikely(c == (u)))
10067 + if (unlikely(c == u))
10068 break;
10069 - old = atomic64_cmpxchg((v), c, c + (a));
10070 +
10071 + asm volatile("addcc %2, %0, %0\n"
10072 +
10073 +#ifdef CONFIG_PAX_REFCOUNT
10074 + "tvs %%xcc, 6\n"
10075 +#endif
10076 +
10077 + : "=r" (new)
10078 + : "0" (c), "ir" (a)
10079 + : "cc");
10080 +
10081 + old = atomic64_cmpxchg(v, c, new);
10082 if (likely(old == c))
10083 break;
10084 c = old;
10085 }
10086 - return c != (u);
10087 + return c != u;
10088 }
10089
10090 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
10091 diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
10092 index 305dcc3..7835030 100644
10093 --- a/arch/sparc/include/asm/barrier_64.h
10094 +++ b/arch/sparc/include/asm/barrier_64.h
10095 @@ -57,7 +57,7 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
10096 do { \
10097 compiletime_assert_atomic_type(*p); \
10098 barrier(); \
10099 - ACCESS_ONCE(*p) = (v); \
10100 + ACCESS_ONCE_RW(*p) = (v); \
10101 } while (0)
10102
10103 #define smp_load_acquire(p) \
10104 diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
10105 index 5bb6991..5c2132e 100644
10106 --- a/arch/sparc/include/asm/cache.h
10107 +++ b/arch/sparc/include/asm/cache.h
10108 @@ -7,10 +7,12 @@
10109 #ifndef _SPARC_CACHE_H
10110 #define _SPARC_CACHE_H
10111
10112 +#include <linux/const.h>
10113 +
10114 #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
10115
10116 #define L1_CACHE_SHIFT 5
10117 -#define L1_CACHE_BYTES 32
10118 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
10119
10120 #ifdef CONFIG_SPARC32
10121 #define SMP_CACHE_BYTES_SHIFT 5
10122 diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
10123 index a24e41f..47677ff 100644
10124 --- a/arch/sparc/include/asm/elf_32.h
10125 +++ b/arch/sparc/include/asm/elf_32.h
10126 @@ -114,6 +114,13 @@ typedef struct {
10127
10128 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
10129
10130 +#ifdef CONFIG_PAX_ASLR
10131 +#define PAX_ELF_ET_DYN_BASE 0x10000UL
10132 +
10133 +#define PAX_DELTA_MMAP_LEN 16
10134 +#define PAX_DELTA_STACK_LEN 16
10135 +#endif
10136 +
10137 /* This yields a mask that user programs can use to figure out what
10138 instruction set this cpu supports. This can NOT be done in userspace
10139 on Sparc. */
10140 diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
10141 index 370ca1e..d4f4a98 100644
10142 --- a/arch/sparc/include/asm/elf_64.h
10143 +++ b/arch/sparc/include/asm/elf_64.h
10144 @@ -189,6 +189,13 @@ typedef struct {
10145 #define ELF_ET_DYN_BASE 0x0000010000000000UL
10146 #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
10147
10148 +#ifdef CONFIG_PAX_ASLR
10149 +#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL)
10150 +
10151 +#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28)
10152 +#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29)
10153 +#endif
10154 +
10155 extern unsigned long sparc64_elf_hwcap;
10156 #define ELF_HWCAP sparc64_elf_hwcap
10157
10158 diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
10159 index a3890da..f6a408e 100644
10160 --- a/arch/sparc/include/asm/pgalloc_32.h
10161 +++ b/arch/sparc/include/asm/pgalloc_32.h
10162 @@ -35,6 +35,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
10163 }
10164
10165 #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
10166 +#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD))
10167
10168 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
10169 unsigned long address)
10170 diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
10171 index 5e31871..13469c6 100644
10172 --- a/arch/sparc/include/asm/pgalloc_64.h
10173 +++ b/arch/sparc/include/asm/pgalloc_64.h
10174 @@ -21,6 +21,7 @@ static inline void __pgd_populate(pgd_t *pgd, pud_t *pud)
10175 }
10176
10177 #define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD)
10178 +#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD))
10179
10180 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
10181 {
10182 @@ -38,6 +39,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd)
10183 }
10184
10185 #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD)
10186 +#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD))
10187
10188 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
10189 {
10190 diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h
10191 index 59ba6f6..4518128 100644
10192 --- a/arch/sparc/include/asm/pgtable.h
10193 +++ b/arch/sparc/include/asm/pgtable.h
10194 @@ -5,4 +5,8 @@
10195 #else
10196 #include <asm/pgtable_32.h>
10197 #endif
10198 +
10199 +#define ktla_ktva(addr) (addr)
10200 +#define ktva_ktla(addr) (addr)
10201 +
10202 #endif
10203 diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
10204 index b9b91ae..950b91e 100644
10205 --- a/arch/sparc/include/asm/pgtable_32.h
10206 +++ b/arch/sparc/include/asm/pgtable_32.h
10207 @@ -51,6 +51,9 @@ unsigned long __init bootmem_init(unsigned long *pages_avail);
10208 #define PAGE_SHARED SRMMU_PAGE_SHARED
10209 #define PAGE_COPY SRMMU_PAGE_COPY
10210 #define PAGE_READONLY SRMMU_PAGE_RDONLY
10211 +#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC
10212 +#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC
10213 +#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC
10214 #define PAGE_KERNEL SRMMU_PAGE_KERNEL
10215
10216 /* Top-level page directory - dummy used by init-mm.
10217 @@ -63,18 +66,18 @@ extern unsigned long ptr_in_current_pgd;
10218
10219 /* xwr */
10220 #define __P000 PAGE_NONE
10221 -#define __P001 PAGE_READONLY
10222 -#define __P010 PAGE_COPY
10223 -#define __P011 PAGE_COPY
10224 +#define __P001 PAGE_READONLY_NOEXEC
10225 +#define __P010 PAGE_COPY_NOEXEC
10226 +#define __P011 PAGE_COPY_NOEXEC
10227 #define __P100 PAGE_READONLY
10228 #define __P101 PAGE_READONLY
10229 #define __P110 PAGE_COPY
10230 #define __P111 PAGE_COPY
10231
10232 #define __S000 PAGE_NONE
10233 -#define __S001 PAGE_READONLY
10234 -#define __S010 PAGE_SHARED
10235 -#define __S011 PAGE_SHARED
10236 +#define __S001 PAGE_READONLY_NOEXEC
10237 +#define __S010 PAGE_SHARED_NOEXEC
10238 +#define __S011 PAGE_SHARED_NOEXEC
10239 #define __S100 PAGE_READONLY
10240 #define __S101 PAGE_READONLY
10241 #define __S110 PAGE_SHARED
10242 diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
10243 index 79da178..c2eede8 100644
10244 --- a/arch/sparc/include/asm/pgtsrmmu.h
10245 +++ b/arch/sparc/include/asm/pgtsrmmu.h
10246 @@ -115,6 +115,11 @@
10247 SRMMU_EXEC | SRMMU_REF)
10248 #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \
10249 SRMMU_EXEC | SRMMU_REF)
10250 +
10251 +#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF)
10252 +#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
10253 +#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF)
10254 +
10255 #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \
10256 SRMMU_DIRTY | SRMMU_REF)
10257
10258 diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
10259 index 29d64b1..4272fe8 100644
10260 --- a/arch/sparc/include/asm/setup.h
10261 +++ b/arch/sparc/include/asm/setup.h
10262 @@ -55,8 +55,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs);
10263 void handle_ld_nf(u32 insn, struct pt_regs *regs);
10264
10265 /* init_64.c */
10266 -extern atomic_t dcpage_flushes;
10267 -extern atomic_t dcpage_flushes_xcall;
10268 +extern atomic_unchecked_t dcpage_flushes;
10269 +extern atomic_unchecked_t dcpage_flushes_xcall;
10270
10271 extern int sysctl_tsb_ratio;
10272 #endif
10273 diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
10274 index 9689176..63c18ea 100644
10275 --- a/arch/sparc/include/asm/spinlock_64.h
10276 +++ b/arch/sparc/include/asm/spinlock_64.h
10277 @@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla
10278
10279 /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
10280
10281 -static void inline arch_read_lock(arch_rwlock_t *lock)
10282 +static inline void arch_read_lock(arch_rwlock_t *lock)
10283 {
10284 unsigned long tmp1, tmp2;
10285
10286 __asm__ __volatile__ (
10287 "1: ldsw [%2], %0\n"
10288 " brlz,pn %0, 2f\n"
10289 -"4: add %0, 1, %1\n"
10290 +"4: addcc %0, 1, %1\n"
10291 +
10292 +#ifdef CONFIG_PAX_REFCOUNT
10293 +" tvs %%icc, 6\n"
10294 +#endif
10295 +
10296 " cas [%2], %0, %1\n"
10297 " cmp %0, %1\n"
10298 " bne,pn %%icc, 1b\n"
10299 @@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_rwlock_t *lock)
10300 " .previous"
10301 : "=&r" (tmp1), "=&r" (tmp2)
10302 : "r" (lock)
10303 - : "memory");
10304 + : "memory", "cc");
10305 }
10306
10307 -static int inline arch_read_trylock(arch_rwlock_t *lock)
10308 +static inline int arch_read_trylock(arch_rwlock_t *lock)
10309 {
10310 int tmp1, tmp2;
10311
10312 @@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
10313 "1: ldsw [%2], %0\n"
10314 " brlz,a,pn %0, 2f\n"
10315 " mov 0, %0\n"
10316 -" add %0, 1, %1\n"
10317 +" addcc %0, 1, %1\n"
10318 +
10319 +#ifdef CONFIG_PAX_REFCOUNT
10320 +" tvs %%icc, 6\n"
10321 +#endif
10322 +
10323 " cas [%2], %0, %1\n"
10324 " cmp %0, %1\n"
10325 " bne,pn %%icc, 1b\n"
10326 @@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch_rwlock_t *lock)
10327 return tmp1;
10328 }
10329
10330 -static void inline arch_read_unlock(arch_rwlock_t *lock)
10331 +static inline void arch_read_unlock(arch_rwlock_t *lock)
10332 {
10333 unsigned long tmp1, tmp2;
10334
10335 __asm__ __volatile__(
10336 "1: lduw [%2], %0\n"
10337 -" sub %0, 1, %1\n"
10338 +" subcc %0, 1, %1\n"
10339 +
10340 +#ifdef CONFIG_PAX_REFCOUNT
10341 +" tvs %%icc, 6\n"
10342 +#endif
10343 +
10344 " cas [%2], %0, %1\n"
10345 " cmp %0, %1\n"
10346 " bne,pn %%xcc, 1b\n"
10347 @@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock)
10348 : "memory");
10349 }
10350
10351 -static void inline arch_write_lock(arch_rwlock_t *lock)
10352 +static inline void arch_write_lock(arch_rwlock_t *lock)
10353 {
10354 unsigned long mask, tmp1, tmp2;
10355
10356 @@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock)
10357 : "memory");
10358 }
10359
10360 -static void inline arch_write_unlock(arch_rwlock_t *lock)
10361 +static inline void arch_write_unlock(arch_rwlock_t *lock)
10362 {
10363 __asm__ __volatile__(
10364 " stw %%g0, [%0]"
10365 @@ -186,7 +201,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock)
10366 : "memory");
10367 }
10368
10369 -static int inline arch_write_trylock(arch_rwlock_t *lock)
10370 +static inline int arch_write_trylock(arch_rwlock_t *lock)
10371 {
10372 unsigned long mask, tmp1, tmp2, result;
10373
10374 diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
10375 index 025c984..a216504 100644
10376 --- a/arch/sparc/include/asm/thread_info_32.h
10377 +++ b/arch/sparc/include/asm/thread_info_32.h
10378 @@ -49,6 +49,8 @@ struct thread_info {
10379 unsigned long w_saved;
10380
10381 struct restart_block restart_block;
10382 +
10383 + unsigned long lowest_stack;
10384 };
10385
10386 /*
10387 diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
10388 index 798f027..b009941 100644
10389 --- a/arch/sparc/include/asm/thread_info_64.h
10390 +++ b/arch/sparc/include/asm/thread_info_64.h
10391 @@ -63,6 +63,8 @@ struct thread_info {
10392 struct pt_regs *kern_una_regs;
10393 unsigned int kern_una_insn;
10394
10395 + unsigned long lowest_stack;
10396 +
10397 unsigned long fpregs[(7 * 256) / sizeof(unsigned long)]
10398 __attribute__ ((aligned(64)));
10399 };
10400 @@ -190,12 +192,13 @@ register struct thread_info *current_thread_info_reg asm("g6");
10401 #define TIF_NEED_RESCHED 3 /* rescheduling necessary */
10402 /* flag bit 4 is available */
10403 #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
10404 -/* flag bit 6 is available */
10405 +#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */
10406 #define TIF_32BIT 7 /* 32-bit binary */
10407 #define TIF_NOHZ 8 /* in adaptive nohz mode */
10408 #define TIF_SECCOMP 9 /* secure computing */
10409 #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
10410 #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
10411 +
10412 /* NOTE: Thread flags >= 12 should be ones we have no interest
10413 * in using in assembly, else we can't use the mask as
10414 * an immediate value in instructions such as andcc.
10415 @@ -215,12 +218,17 @@ register struct thread_info *current_thread_info_reg asm("g6");
10416 #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
10417 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
10418 #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
10419 +#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID)
10420
10421 #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
10422 _TIF_DO_NOTIFY_RESUME_MASK | \
10423 _TIF_NEED_RESCHED)
10424 #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
10425
10426 +#define _TIF_WORK_SYSCALL \
10427 + (_TIF_SYSCALL_TRACE | _TIF_SECCOMP | _TIF_SYSCALL_AUDIT | \
10428 + _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID)
10429 +
10430 #define is_32bit_task() (test_thread_flag(TIF_32BIT))
10431
10432 /*
10433 diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
10434 index bd56c28..4b63d83 100644
10435 --- a/arch/sparc/include/asm/uaccess.h
10436 +++ b/arch/sparc/include/asm/uaccess.h
10437 @@ -1,5 +1,6 @@
10438 #ifndef ___ASM_SPARC_UACCESS_H
10439 #define ___ASM_SPARC_UACCESS_H
10440 +
10441 #if defined(__sparc__) && defined(__arch64__)
10442 #include <asm/uaccess_64.h>
10443 #else
10444 diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
10445 index 9634d08..f55fe4f 100644
10446 --- a/arch/sparc/include/asm/uaccess_32.h
10447 +++ b/arch/sparc/include/asm/uaccess_32.h
10448 @@ -250,27 +250,46 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon
10449
10450 static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
10451 {
10452 - if (n && __access_ok((unsigned long) to, n))
10453 + if ((long)n < 0)
10454 + return n;
10455 +
10456 + if (n && __access_ok((unsigned long) to, n)) {
10457 + if (!__builtin_constant_p(n))
10458 + check_object_size(from, n, true);
10459 return __copy_user(to, (__force void __user *) from, n);
10460 - else
10461 + } else
10462 return n;
10463 }
10464
10465 static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
10466 {
10467 + if ((long)n < 0)
10468 + return n;
10469 +
10470 + if (!__builtin_constant_p(n))
10471 + check_object_size(from, n, true);
10472 +
10473 return __copy_user(to, (__force void __user *) from, n);
10474 }
10475
10476 static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
10477 {
10478 - if (n && __access_ok((unsigned long) from, n))
10479 + if ((long)n < 0)
10480 + return n;
10481 +
10482 + if (n && __access_ok((unsigned long) from, n)) {
10483 + if (!__builtin_constant_p(n))
10484 + check_object_size(to, n, false);
10485 return __copy_user((__force void __user *) to, from, n);
10486 - else
10487 + } else
10488 return n;
10489 }
10490
10491 static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
10492 {
10493 + if ((long)n < 0)
10494 + return n;
10495 +
10496 return __copy_user((__force void __user *) to, from, n);
10497 }
10498
10499 diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
10500 index c990a5e..f17b9c1 100644
10501 --- a/arch/sparc/include/asm/uaccess_64.h
10502 +++ b/arch/sparc/include/asm/uaccess_64.h
10503 @@ -10,6 +10,7 @@
10504 #include <linux/compiler.h>
10505 #include <linux/string.h>
10506 #include <linux/thread_info.h>
10507 +#include <linux/kernel.h>
10508 #include <asm/asi.h>
10509 #include <asm/spitfire.h>
10510 #include <asm-generic/uaccess-unaligned.h>
10511 @@ -214,8 +215,15 @@ unsigned long copy_from_user_fixup(void *to, const void __user *from,
10512 static inline unsigned long __must_check
10513 copy_from_user(void *to, const void __user *from, unsigned long size)
10514 {
10515 - unsigned long ret = ___copy_from_user(to, from, size);
10516 + unsigned long ret;
10517
10518 + if ((long)size < 0 || size > INT_MAX)
10519 + return size;
10520 +
10521 + if (!__builtin_constant_p(size))
10522 + check_object_size(to, size, false);
10523 +
10524 + ret = ___copy_from_user(to, from, size);
10525 if (unlikely(ret))
10526 ret = copy_from_user_fixup(to, from, size);
10527
10528 @@ -231,8 +239,15 @@ unsigned long copy_to_user_fixup(void __user *to, const void *from,
10529 static inline unsigned long __must_check
10530 copy_to_user(void __user *to, const void *from, unsigned long size)
10531 {
10532 - unsigned long ret = ___copy_to_user(to, from, size);
10533 + unsigned long ret;
10534
10535 + if ((long)size < 0 || size > INT_MAX)
10536 + return size;
10537 +
10538 + if (!__builtin_constant_p(size))
10539 + check_object_size(from, size, true);
10540 +
10541 + ret = ___copy_to_user(to, from, size);
10542 if (unlikely(ret))
10543 ret = copy_to_user_fixup(to, from, size);
10544 return ret;
10545 diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
10546 index 7cf9c6e..6206648 100644
10547 --- a/arch/sparc/kernel/Makefile
10548 +++ b/arch/sparc/kernel/Makefile
10549 @@ -4,7 +4,7 @@
10550 #
10551
10552 asflags-y := -ansi
10553 -ccflags-y := -Werror
10554 +#ccflags-y := -Werror
10555
10556 extra-y := head_$(BITS).o
10557
10558 diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
10559 index 50e7b62..79fae35 100644
10560 --- a/arch/sparc/kernel/process_32.c
10561 +++ b/arch/sparc/kernel/process_32.c
10562 @@ -123,14 +123,14 @@ void show_regs(struct pt_regs *r)
10563
10564 printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
10565 r->psr, r->pc, r->npc, r->y, print_tainted());
10566 - printk("PC: <%pS>\n", (void *) r->pc);
10567 + printk("PC: <%pA>\n", (void *) r->pc);
10568 printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
10569 r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3],
10570 r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]);
10571 printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
10572 r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11],
10573 r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]);
10574 - printk("RPC: <%pS>\n", (void *) r->u_regs[15]);
10575 + printk("RPC: <%pA>\n", (void *) r->u_regs[15]);
10576
10577 printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
10578 rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3],
10579 @@ -167,7 +167,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
10580 rw = (struct reg_window32 *) fp;
10581 pc = rw->ins[7];
10582 printk("[%08lx : ", pc);
10583 - printk("%pS ] ", (void *) pc);
10584 + printk("%pA ] ", (void *) pc);
10585 fp = rw->ins[6];
10586 } while (++count < 16);
10587 printk("\n");
10588 diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
10589 index 0be7bf9..2b1cba8 100644
10590 --- a/arch/sparc/kernel/process_64.c
10591 +++ b/arch/sparc/kernel/process_64.c
10592 @@ -161,7 +161,7 @@ static void show_regwindow(struct pt_regs *regs)
10593 printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n",
10594 rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]);
10595 if (regs->tstate & TSTATE_PRIV)
10596 - printk("I7: <%pS>\n", (void *) rwk->ins[7]);
10597 + printk("I7: <%pA>\n", (void *) rwk->ins[7]);
10598 }
10599
10600 void show_regs(struct pt_regs *regs)
10601 @@ -170,7 +170,7 @@ void show_regs(struct pt_regs *regs)
10602
10603 printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
10604 regs->tpc, regs->tnpc, regs->y, print_tainted());
10605 - printk("TPC: <%pS>\n", (void *) regs->tpc);
10606 + printk("TPC: <%pA>\n", (void *) regs->tpc);
10607 printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n",
10608 regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
10609 regs->u_regs[3]);
10610 @@ -183,7 +183,7 @@ void show_regs(struct pt_regs *regs)
10611 printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n",
10612 regs->u_regs[12], regs->u_regs[13], regs->u_regs[14],
10613 regs->u_regs[15]);
10614 - printk("RPC: <%pS>\n", (void *) regs->u_regs[15]);
10615 + printk("RPC: <%pA>\n", (void *) regs->u_regs[15]);
10616 show_regwindow(regs);
10617 show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]);
10618 }
10619 @@ -278,7 +278,7 @@ void arch_trigger_all_cpu_backtrace(bool include_self)
10620 ((tp && tp->task) ? tp->task->pid : -1));
10621
10622 if (gp->tstate & TSTATE_PRIV) {
10623 - printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n",
10624 + printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n",
10625 (void *) gp->tpc,
10626 (void *) gp->o7,
10627 (void *) gp->i7,
10628 diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
10629 index 79cc0d1..ec62734 100644
10630 --- a/arch/sparc/kernel/prom_common.c
10631 +++ b/arch/sparc/kernel/prom_common.c
10632 @@ -144,7 +144,7 @@ static int __init prom_common_nextprop(phandle node, char *prev, char *buf)
10633
10634 unsigned int prom_early_allocated __initdata;
10635
10636 -static struct of_pdt_ops prom_sparc_ops __initdata = {
10637 +static struct of_pdt_ops prom_sparc_ops __initconst = {
10638 .nextprop = prom_common_nextprop,
10639 .getproplen = prom_getproplen,
10640 .getproperty = prom_getproperty,
10641 diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
10642 index 9ddc492..27a5619 100644
10643 --- a/arch/sparc/kernel/ptrace_64.c
10644 +++ b/arch/sparc/kernel/ptrace_64.c
10645 @@ -1060,6 +1060,10 @@ long arch_ptrace(struct task_struct *child, long request,
10646 return ret;
10647 }
10648
10649 +#ifdef CONFIG_GRKERNSEC_SETXID
10650 +extern void gr_delayed_cred_worker(void);
10651 +#endif
10652 +
10653 asmlinkage int syscall_trace_enter(struct pt_regs *regs)
10654 {
10655 int ret = 0;
10656 @@ -1070,6 +1074,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
10657 if (test_thread_flag(TIF_NOHZ))
10658 user_exit();
10659
10660 +#ifdef CONFIG_GRKERNSEC_SETXID
10661 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
10662 + gr_delayed_cred_worker();
10663 +#endif
10664 +
10665 if (test_thread_flag(TIF_SYSCALL_TRACE))
10666 ret = tracehook_report_syscall_entry(regs);
10667
10668 @@ -1088,6 +1097,11 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
10669 if (test_thread_flag(TIF_NOHZ))
10670 user_exit();
10671
10672 +#ifdef CONFIG_GRKERNSEC_SETXID
10673 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
10674 + gr_delayed_cred_worker();
10675 +#endif
10676 +
10677 audit_syscall_exit(regs);
10678
10679 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
10680 diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
10681 index da6f1a7..e5dea8f 100644
10682 --- a/arch/sparc/kernel/smp_64.c
10683 +++ b/arch/sparc/kernel/smp_64.c
10684 @@ -887,7 +887,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
10685 return;
10686
10687 #ifdef CONFIG_DEBUG_DCFLUSH
10688 - atomic_inc(&dcpage_flushes);
10689 + atomic_inc_unchecked(&dcpage_flushes);
10690 #endif
10691
10692 this_cpu = get_cpu();
10693 @@ -911,7 +911,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
10694 xcall_deliver(data0, __pa(pg_addr),
10695 (u64) pg_addr, cpumask_of(cpu));
10696 #ifdef CONFIG_DEBUG_DCFLUSH
10697 - atomic_inc(&dcpage_flushes_xcall);
10698 + atomic_inc_unchecked(&dcpage_flushes_xcall);
10699 #endif
10700 }
10701 }
10702 @@ -930,7 +930,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
10703 preempt_disable();
10704
10705 #ifdef CONFIG_DEBUG_DCFLUSH
10706 - atomic_inc(&dcpage_flushes);
10707 + atomic_inc_unchecked(&dcpage_flushes);
10708 #endif
10709 data0 = 0;
10710 pg_addr = page_address(page);
10711 @@ -947,7 +947,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
10712 xcall_deliver(data0, __pa(pg_addr),
10713 (u64) pg_addr, cpu_online_mask);
10714 #ifdef CONFIG_DEBUG_DCFLUSH
10715 - atomic_inc(&dcpage_flushes_xcall);
10716 + atomic_inc_unchecked(&dcpage_flushes_xcall);
10717 #endif
10718 }
10719 __local_flush_dcache_page(page);
10720 diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
10721 index 646988d..b88905f 100644
10722 --- a/arch/sparc/kernel/sys_sparc_32.c
10723 +++ b/arch/sparc/kernel/sys_sparc_32.c
10724 @@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
10725 if (len > TASK_SIZE - PAGE_SIZE)
10726 return -ENOMEM;
10727 if (!addr)
10728 - addr = TASK_UNMAPPED_BASE;
10729 + addr = current->mm->mmap_base;
10730
10731 info.flags = 0;
10732 info.length = len;
10733 diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
10734 index c85403d..6af95c9 100644
10735 --- a/arch/sparc/kernel/sys_sparc_64.c
10736 +++ b/arch/sparc/kernel/sys_sparc_64.c
10737 @@ -89,13 +89,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
10738 struct vm_area_struct * vma;
10739 unsigned long task_size = TASK_SIZE;
10740 int do_color_align;
10741 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
10742 struct vm_unmapped_area_info info;
10743
10744 if (flags & MAP_FIXED) {
10745 /* We do not accept a shared mapping if it would violate
10746 * cache aliasing constraints.
10747 */
10748 - if ((flags & MAP_SHARED) &&
10749 + if ((filp || (flags & MAP_SHARED)) &&
10750 ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
10751 return -EINVAL;
10752 return addr;
10753 @@ -110,6 +111,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
10754 if (filp || (flags & MAP_SHARED))
10755 do_color_align = 1;
10756
10757 +#ifdef CONFIG_PAX_RANDMMAP
10758 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
10759 +#endif
10760 +
10761 if (addr) {
10762 if (do_color_align)
10763 addr = COLOR_ALIGN(addr, pgoff);
10764 @@ -117,22 +122,28 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
10765 addr = PAGE_ALIGN(addr);
10766
10767 vma = find_vma(mm, addr);
10768 - if (task_size - len >= addr &&
10769 - (!vma || addr + len <= vma->vm_start))
10770 + if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
10771 return addr;
10772 }
10773
10774 info.flags = 0;
10775 info.length = len;
10776 - info.low_limit = TASK_UNMAPPED_BASE;
10777 + info.low_limit = mm->mmap_base;
10778 info.high_limit = min(task_size, VA_EXCLUDE_START);
10779 info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
10780 info.align_offset = pgoff << PAGE_SHIFT;
10781 + info.threadstack_offset = offset;
10782 addr = vm_unmapped_area(&info);
10783
10784 if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) {
10785 VM_BUG_ON(addr != -ENOMEM);
10786 info.low_limit = VA_EXCLUDE_END;
10787 +
10788 +#ifdef CONFIG_PAX_RANDMMAP
10789 + if (mm->pax_flags & MF_PAX_RANDMMAP)
10790 + info.low_limit += mm->delta_mmap;
10791 +#endif
10792 +
10793 info.high_limit = task_size;
10794 addr = vm_unmapped_area(&info);
10795 }
10796 @@ -150,6 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10797 unsigned long task_size = STACK_TOP32;
10798 unsigned long addr = addr0;
10799 int do_color_align;
10800 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
10801 struct vm_unmapped_area_info info;
10802
10803 /* This should only ever run for 32-bit processes. */
10804 @@ -159,7 +171,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10805 /* We do not accept a shared mapping if it would violate
10806 * cache aliasing constraints.
10807 */
10808 - if ((flags & MAP_SHARED) &&
10809 + if ((filp || (flags & MAP_SHARED)) &&
10810 ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
10811 return -EINVAL;
10812 return addr;
10813 @@ -172,6 +184,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10814 if (filp || (flags & MAP_SHARED))
10815 do_color_align = 1;
10816
10817 +#ifdef CONFIG_PAX_RANDMMAP
10818 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
10819 +#endif
10820 +
10821 /* requesting a specific address */
10822 if (addr) {
10823 if (do_color_align)
10824 @@ -180,8 +196,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10825 addr = PAGE_ALIGN(addr);
10826
10827 vma = find_vma(mm, addr);
10828 - if (task_size - len >= addr &&
10829 - (!vma || addr + len <= vma->vm_start))
10830 + if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
10831 return addr;
10832 }
10833
10834 @@ -191,6 +206,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10835 info.high_limit = mm->mmap_base;
10836 info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
10837 info.align_offset = pgoff << PAGE_SHIFT;
10838 + info.threadstack_offset = offset;
10839 addr = vm_unmapped_area(&info);
10840
10841 /*
10842 @@ -203,6 +219,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
10843 VM_BUG_ON(addr != -ENOMEM);
10844 info.flags = 0;
10845 info.low_limit = TASK_UNMAPPED_BASE;
10846 +
10847 +#ifdef CONFIG_PAX_RANDMMAP
10848 + if (mm->pax_flags & MF_PAX_RANDMMAP)
10849 + info.low_limit += mm->delta_mmap;
10850 +#endif
10851 +
10852 info.high_limit = STACK_TOP32;
10853 addr = vm_unmapped_area(&info);
10854 }
10855 @@ -259,10 +281,14 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
10856 EXPORT_SYMBOL(get_fb_unmapped_area);
10857
10858 /* Essentially the same as PowerPC. */
10859 -static unsigned long mmap_rnd(void)
10860 +static unsigned long mmap_rnd(struct mm_struct *mm)
10861 {
10862 unsigned long rnd = 0UL;
10863
10864 +#ifdef CONFIG_PAX_RANDMMAP
10865 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
10866 +#endif
10867 +
10868 if (current->flags & PF_RANDOMIZE) {
10869 unsigned long val = get_random_int();
10870 if (test_thread_flag(TIF_32BIT))
10871 @@ -275,7 +301,7 @@ static unsigned long mmap_rnd(void)
10872
10873 void arch_pick_mmap_layout(struct mm_struct *mm)
10874 {
10875 - unsigned long random_factor = mmap_rnd();
10876 + unsigned long random_factor = mmap_rnd(mm);
10877 unsigned long gap;
10878
10879 /*
10880 @@ -288,6 +314,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
10881 gap == RLIM_INFINITY ||
10882 sysctl_legacy_va_layout) {
10883 mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
10884 +
10885 +#ifdef CONFIG_PAX_RANDMMAP
10886 + if (mm->pax_flags & MF_PAX_RANDMMAP)
10887 + mm->mmap_base += mm->delta_mmap;
10888 +#endif
10889 +
10890 mm->get_unmapped_area = arch_get_unmapped_area;
10891 } else {
10892 /* We know it's 32-bit */
10893 @@ -299,6 +331,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
10894 gap = (task_size / 6 * 5);
10895
10896 mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor);
10897 +
10898 +#ifdef CONFIG_PAX_RANDMMAP
10899 + if (mm->pax_flags & MF_PAX_RANDMMAP)
10900 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
10901 +#endif
10902 +
10903 mm->get_unmapped_area = arch_get_unmapped_area_topdown;
10904 }
10905 }
10906 diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
10907 index 33a17e7..d87fb1f 100644
10908 --- a/arch/sparc/kernel/syscalls.S
10909 +++ b/arch/sparc/kernel/syscalls.S
10910 @@ -52,7 +52,7 @@ sys32_rt_sigreturn:
10911 #endif
10912 .align 32
10913 1: ldx [%g6 + TI_FLAGS], %l5
10914 - andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0
10915 + andcc %l5, _TIF_WORK_SYSCALL, %g0
10916 be,pt %icc, rtrap
10917 nop
10918 call syscall_trace_leave
10919 @@ -184,7 +184,7 @@ linux_sparc_syscall32:
10920
10921 srl %i3, 0, %o3 ! IEU0
10922 srl %i2, 0, %o2 ! IEU0 Group
10923 - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0
10924 + andcc %l0, _TIF_WORK_SYSCALL, %g0
10925 bne,pn %icc, linux_syscall_trace32 ! CTI
10926 mov %i0, %l5 ! IEU1
10927 5: call %l7 ! CTI Group brk forced
10928 @@ -208,7 +208,7 @@ linux_sparc_syscall:
10929
10930 mov %i3, %o3 ! IEU1
10931 mov %i4, %o4 ! IEU0 Group
10932 - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0
10933 + andcc %l0, _TIF_WORK_SYSCALL, %g0
10934 bne,pn %icc, linux_syscall_trace ! CTI Group
10935 mov %i0, %l5 ! IEU0
10936 2: call %l7 ! CTI Group brk forced
10937 @@ -223,7 +223,7 @@ ret_sys_call:
10938
10939 cmp %o0, -ERESTART_RESTARTBLOCK
10940 bgeu,pn %xcc, 1f
10941 - andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0
10942 + andcc %l0, _TIF_WORK_SYSCALL, %g0
10943 ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc
10944
10945 2:
10946 diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
10947 index 6fd386c5..6907d81 100644
10948 --- a/arch/sparc/kernel/traps_32.c
10949 +++ b/arch/sparc/kernel/traps_32.c
10950 @@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc)
10951 #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
10952 #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
10953
10954 +extern void gr_handle_kernel_exploit(void);
10955 +
10956 void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
10957 {
10958 static int die_counter;
10959 @@ -76,15 +78,17 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
10960 count++ < 30 &&
10961 (((unsigned long) rw) >= PAGE_OFFSET) &&
10962 !(((unsigned long) rw) & 0x7)) {
10963 - printk("Caller[%08lx]: %pS\n", rw->ins[7],
10964 + printk("Caller[%08lx]: %pA\n", rw->ins[7],
10965 (void *) rw->ins[7]);
10966 rw = (struct reg_window32 *)rw->ins[6];
10967 }
10968 }
10969 printk("Instruction DUMP:");
10970 instruction_dump ((unsigned long *) regs->pc);
10971 - if(regs->psr & PSR_PS)
10972 + if(regs->psr & PSR_PS) {
10973 + gr_handle_kernel_exploit();
10974 do_exit(SIGKILL);
10975 + }
10976 do_exit(SIGSEGV);
10977 }
10978
10979 diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
10980 index 981a769..d906eda 100644
10981 --- a/arch/sparc/kernel/traps_64.c
10982 +++ b/arch/sparc/kernel/traps_64.c
10983 @@ -79,7 +79,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
10984 i + 1,
10985 p->trapstack[i].tstate, p->trapstack[i].tpc,
10986 p->trapstack[i].tnpc, p->trapstack[i].tt);
10987 - printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc);
10988 + printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc);
10989 }
10990 }
10991
10992 @@ -99,6 +99,12 @@ void bad_trap(struct pt_regs *regs, long lvl)
10993
10994 lvl -= 0x100;
10995 if (regs->tstate & TSTATE_PRIV) {
10996 +
10997 +#ifdef CONFIG_PAX_REFCOUNT
10998 + if (lvl == 6)
10999 + pax_report_refcount_overflow(regs);
11000 +#endif
11001 +
11002 sprintf(buffer, "Kernel bad sw trap %lx", lvl);
11003 die_if_kernel(buffer, regs);
11004 }
11005 @@ -117,11 +123,16 @@ void bad_trap(struct pt_regs *regs, long lvl)
11006 void bad_trap_tl1(struct pt_regs *regs, long lvl)
11007 {
11008 char buffer[32];
11009 -
11010 +
11011 if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs,
11012 0, lvl, SIGTRAP) == NOTIFY_STOP)
11013 return;
11014
11015 +#ifdef CONFIG_PAX_REFCOUNT
11016 + if (lvl == 6)
11017 + pax_report_refcount_overflow(regs);
11018 +#endif
11019 +
11020 dump_tl1_traplog((struct tl1_traplog *)(regs + 1));
11021
11022 sprintf (buffer, "Bad trap %lx at tl>0", lvl);
11023 @@ -1151,7 +1162,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
11024 regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
11025 printk("%s" "ERROR(%d): ",
11026 (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id());
11027 - printk("TPC<%pS>\n", (void *) regs->tpc);
11028 + printk("TPC<%pA>\n", (void *) regs->tpc);
11029 printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n",
11030 (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
11031 (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,
11032 @@ -1758,7 +1769,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
11033 smp_processor_id(),
11034 (type & 0x1) ? 'I' : 'D',
11035 regs->tpc);
11036 - printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc);
11037 + printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc);
11038 panic("Irrecoverable Cheetah+ parity error.");
11039 }
11040
11041 @@ -1766,7 +1777,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
11042 smp_processor_id(),
11043 (type & 0x1) ? 'I' : 'D',
11044 regs->tpc);
11045 - printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc);
11046 + printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc);
11047 }
11048
11049 struct sun4v_error_entry {
11050 @@ -1839,8 +1850,8 @@ struct sun4v_error_entry {
11051 /*0x38*/u64 reserved_5;
11052 };
11053
11054 -static atomic_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0);
11055 -static atomic_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0);
11056 +static atomic_unchecked_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0);
11057 +static atomic_unchecked_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0);
11058
11059 static const char *sun4v_err_type_to_str(u8 type)
11060 {
11061 @@ -1932,7 +1943,7 @@ static void sun4v_report_real_raddr(const char *pfx, struct pt_regs *regs)
11062 }
11063
11064 static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent,
11065 - int cpu, const char *pfx, atomic_t *ocnt)
11066 + int cpu, const char *pfx, atomic_unchecked_t *ocnt)
11067 {
11068 u64 *raw_ptr = (u64 *) ent;
11069 u32 attrs;
11070 @@ -1990,8 +2001,8 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent,
11071
11072 show_regs(regs);
11073
11074 - if ((cnt = atomic_read(ocnt)) != 0) {
11075 - atomic_set(ocnt, 0);
11076 + if ((cnt = atomic_read_unchecked(ocnt)) != 0) {
11077 + atomic_set_unchecked(ocnt, 0);
11078 wmb();
11079 printk("%s: Queue overflowed %d times.\n",
11080 pfx, cnt);
11081 @@ -2048,7 +2059,7 @@ out:
11082 */
11083 void sun4v_resum_overflow(struct pt_regs *regs)
11084 {
11085 - atomic_inc(&sun4v_resum_oflow_cnt);
11086 + atomic_inc_unchecked(&sun4v_resum_oflow_cnt);
11087 }
11088
11089 /* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate.
11090 @@ -2101,7 +2112,7 @@ void sun4v_nonresum_overflow(struct pt_regs *regs)
11091 /* XXX Actually even this can make not that much sense. Perhaps
11092 * XXX we should just pull the plug and panic directly from here?
11093 */
11094 - atomic_inc(&sun4v_nonresum_oflow_cnt);
11095 + atomic_inc_unchecked(&sun4v_nonresum_oflow_cnt);
11096 }
11097
11098 static void sun4v_tlb_error(struct pt_regs *regs)
11099 @@ -2120,9 +2131,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
11100
11101 printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
11102 regs->tpc, tl);
11103 - printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc);
11104 + printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc);
11105 printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
11106 - printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n",
11107 + printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n",
11108 (void *) regs->u_regs[UREG_I7]);
11109 printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
11110 "pte[%lx] error[%lx]\n",
11111 @@ -2143,9 +2154,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
11112
11113 printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
11114 regs->tpc, tl);
11115 - printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc);
11116 + printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc);
11117 printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
11118 - printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n",
11119 + printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n",
11120 (void *) regs->u_regs[UREG_I7]);
11121 printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
11122 "pte[%lx] error[%lx]\n",
11123 @@ -2362,13 +2373,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
11124 fp = (unsigned long)sf->fp + STACK_BIAS;
11125 }
11126
11127 - printk(" [%016lx] %pS\n", pc, (void *) pc);
11128 + printk(" [%016lx] %pA\n", pc, (void *) pc);
11129 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
11130 if ((pc + 8UL) == (unsigned long) &return_to_handler) {
11131 int index = tsk->curr_ret_stack;
11132 if (tsk->ret_stack && index >= graph) {
11133 pc = tsk->ret_stack[index - graph].ret;
11134 - printk(" [%016lx] %pS\n", pc, (void *) pc);
11135 + printk(" [%016lx] %pA\n", pc, (void *) pc);
11136 graph++;
11137 }
11138 }
11139 @@ -2386,6 +2397,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
11140 return (struct reg_window *) (fp + STACK_BIAS);
11141 }
11142
11143 +extern void gr_handle_kernel_exploit(void);
11144 +
11145 void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
11146 {
11147 static int die_counter;
11148 @@ -2414,7 +2427,7 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
11149 while (rw &&
11150 count++ < 30 &&
11151 kstack_valid(tp, (unsigned long) rw)) {
11152 - printk("Caller[%016lx]: %pS\n", rw->ins[7],
11153 + printk("Caller[%016lx]: %pA\n", rw->ins[7],
11154 (void *) rw->ins[7]);
11155
11156 rw = kernel_stack_up(rw);
11157 @@ -2427,8 +2440,10 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
11158 }
11159 user_instruction_dump ((unsigned int __user *) regs->tpc);
11160 }
11161 - if (regs->tstate & TSTATE_PRIV)
11162 + if (regs->tstate & TSTATE_PRIV) {
11163 + gr_handle_kernel_exploit();
11164 do_exit(SIGKILL);
11165 + }
11166 do_exit(SIGSEGV);
11167 }
11168 EXPORT_SYMBOL(die_if_kernel);
11169 diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
11170 index 62098a8..547ab2c 100644
11171 --- a/arch/sparc/kernel/unaligned_64.c
11172 +++ b/arch/sparc/kernel/unaligned_64.c
11173 @@ -297,7 +297,7 @@ static void log_unaligned(struct pt_regs *regs)
11174 static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
11175
11176 if (__ratelimit(&ratelimit)) {
11177 - printk("Kernel unaligned access at TPC[%lx] %pS\n",
11178 + printk("Kernel unaligned access at TPC[%lx] %pA\n",
11179 regs->tpc, (void *) regs->tpc);
11180 }
11181 }
11182 diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
11183 index 3269b02..64f5231 100644
11184 --- a/arch/sparc/lib/Makefile
11185 +++ b/arch/sparc/lib/Makefile
11186 @@ -2,7 +2,7 @@
11187 #
11188
11189 asflags-y := -ansi -DST_DIV0=0x02
11190 -ccflags-y := -Werror
11191 +#ccflags-y := -Werror
11192
11193 lib-$(CONFIG_SPARC32) += ashrdi3.o
11194 lib-$(CONFIG_SPARC32) += memcpy.o memset.o
11195 diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S
11196 index 05dac43..76f8ed4 100644
11197 --- a/arch/sparc/lib/atomic_64.S
11198 +++ b/arch/sparc/lib/atomic_64.S
11199 @@ -15,11 +15,22 @@
11200 * a value and does the barriers.
11201 */
11202
11203 -#define ATOMIC_OP(op) \
11204 -ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \
11205 +#ifdef CONFIG_PAX_REFCOUNT
11206 +#define __REFCOUNT_OP(op) op##cc
11207 +#define __OVERFLOW_IOP tvs %icc, 6;
11208 +#define __OVERFLOW_XOP tvs %xcc, 6;
11209 +#else
11210 +#define __REFCOUNT_OP(op) op
11211 +#define __OVERFLOW_IOP
11212 +#define __OVERFLOW_XOP
11213 +#endif
11214 +
11215 +#define __ATOMIC_OP(op, suffix, asm_op, post_op) \
11216 +ENTRY(atomic_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \
11217 BACKOFF_SETUP(%o2); \
11218 1: lduw [%o1], %g1; \
11219 - op %g1, %o0, %g7; \
11220 + asm_op %g1, %o0, %g7; \
11221 + post_op \
11222 cas [%o1], %g1, %g7; \
11223 cmp %g1, %g7; \
11224 bne,pn %icc, BACKOFF_LABEL(2f, 1b); \
11225 @@ -29,11 +40,15 @@ ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \
11226 2: BACKOFF_SPIN(%o2, %o3, 1b); \
11227 ENDPROC(atomic_##op); \
11228
11229 -#define ATOMIC_OP_RETURN(op) \
11230 -ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \
11231 +#define ATOMIC_OP(op) __ATOMIC_OP(op, , op, ) \
11232 + __ATOMIC_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP)
11233 +
11234 +#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op) \
11235 +ENTRY(atomic_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\
11236 BACKOFF_SETUP(%o2); \
11237 1: lduw [%o1], %g1; \
11238 - op %g1, %o0, %g7; \
11239 + asm_op %g1, %o0, %g7; \
11240 + post_op \
11241 cas [%o1], %g1, %g7; \
11242 cmp %g1, %g7; \
11243 bne,pn %icc, BACKOFF_LABEL(2f, 1b); \
11244 @@ -43,6 +58,9 @@ ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \
11245 2: BACKOFF_SPIN(%o2, %o3, 1b); \
11246 ENDPROC(atomic_##op##_return);
11247
11248 +#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, , op, ) \
11249 + __ATOMIC_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP)
11250 +
11251 #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
11252
11253 ATOMIC_OPS(add)
11254 @@ -50,13 +68,16 @@ ATOMIC_OPS(sub)
11255
11256 #undef ATOMIC_OPS
11257 #undef ATOMIC_OP_RETURN
11258 +#undef __ATOMIC_OP_RETURN
11259 #undef ATOMIC_OP
11260 +#undef __ATOMIC_OP
11261
11262 -#define ATOMIC64_OP(op) \
11263 -ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \
11264 +#define __ATOMIC64_OP(op, suffix, asm_op, post_op) \
11265 +ENTRY(atomic64_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \
11266 BACKOFF_SETUP(%o2); \
11267 1: ldx [%o1], %g1; \
11268 - op %g1, %o0, %g7; \
11269 + asm_op %g1, %o0, %g7; \
11270 + post_op \
11271 casx [%o1], %g1, %g7; \
11272 cmp %g1, %g7; \
11273 bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \
11274 @@ -66,11 +87,15 @@ ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \
11275 2: BACKOFF_SPIN(%o2, %o3, 1b); \
11276 ENDPROC(atomic64_##op); \
11277
11278 -#define ATOMIC64_OP_RETURN(op) \
11279 -ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \
11280 +#define ATOMIC64_OP(op) __ATOMIC64_OP(op, , op, ) \
11281 + __ATOMIC64_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP)
11282 +
11283 +#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op) \
11284 +ENTRY(atomic64_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\
11285 BACKOFF_SETUP(%o2); \
11286 1: ldx [%o1], %g1; \
11287 - op %g1, %o0, %g7; \
11288 + asm_op %g1, %o0, %g7; \
11289 + post_op \
11290 casx [%o1], %g1, %g7; \
11291 cmp %g1, %g7; \
11292 bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \
11293 @@ -80,6 +105,9 @@ ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \
11294 2: BACKOFF_SPIN(%o2, %o3, 1b); \
11295 ENDPROC(atomic64_##op##_return);
11296
11297 +#define ATOMIC64_OP_RETURN(op) __ATOMIC64_OP_RETURN(op, , op, ) \
11298 +i __ATOMIC64_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP)
11299 +
11300 #define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_OP_RETURN(op)
11301
11302 ATOMIC64_OPS(add)
11303 @@ -87,7 +115,12 @@ ATOMIC64_OPS(sub)
11304
11305 #undef ATOMIC64_OPS
11306 #undef ATOMIC64_OP_RETURN
11307 +#undef __ATOMIC64_OP_RETURN
11308 #undef ATOMIC64_OP
11309 +#undef __ATOMIC64_OP
11310 +#undef __OVERFLOW_XOP
11311 +#undef __OVERFLOW_IOP
11312 +#undef __REFCOUNT_OP
11313
11314 ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */
11315 BACKOFF_SETUP(%o2)
11316 diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
11317 index 1d649a9..fbc5bfc 100644
11318 --- a/arch/sparc/lib/ksyms.c
11319 +++ b/arch/sparc/lib/ksyms.c
11320 @@ -101,7 +101,9 @@ EXPORT_SYMBOL(__clear_user);
11321 /* Atomic counter implementation. */
11322 #define ATOMIC_OP(op) \
11323 EXPORT_SYMBOL(atomic_##op); \
11324 -EXPORT_SYMBOL(atomic64_##op);
11325 +EXPORT_SYMBOL(atomic_##op##_unchecked); \
11326 +EXPORT_SYMBOL(atomic64_##op); \
11327 +EXPORT_SYMBOL(atomic64_##op##_unchecked);
11328
11329 #define ATOMIC_OP_RETURN(op) \
11330 EXPORT_SYMBOL(atomic_##op##_return); \
11331 @@ -110,6 +112,8 @@ EXPORT_SYMBOL(atomic64_##op##_return);
11332 #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op)
11333
11334 ATOMIC_OPS(add)
11335 +EXPORT_SYMBOL(atomic_add_ret_unchecked);
11336 +EXPORT_SYMBOL(atomic64_add_ret_unchecked);
11337 ATOMIC_OPS(sub)
11338
11339 #undef ATOMIC_OPS
11340 diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
11341 index 30c3ecc..736f015 100644
11342 --- a/arch/sparc/mm/Makefile
11343 +++ b/arch/sparc/mm/Makefile
11344 @@ -2,7 +2,7 @@
11345 #
11346
11347 asflags-y := -ansi
11348 -ccflags-y := -Werror
11349 +#ccflags-y := -Werror
11350
11351 obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o
11352 obj-y += fault_$(BITS).o
11353 diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
11354 index 908e8c1..1524793 100644
11355 --- a/arch/sparc/mm/fault_32.c
11356 +++ b/arch/sparc/mm/fault_32.c
11357 @@ -21,6 +21,9 @@
11358 #include <linux/perf_event.h>
11359 #include <linux/interrupt.h>
11360 #include <linux/kdebug.h>
11361 +#include <linux/slab.h>
11362 +#include <linux/pagemap.h>
11363 +#include <linux/compiler.h>
11364
11365 #include <asm/page.h>
11366 #include <asm/pgtable.h>
11367 @@ -156,6 +159,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
11368 return safe_compute_effective_address(regs, insn);
11369 }
11370
11371 +#ifdef CONFIG_PAX_PAGEEXEC
11372 +#ifdef CONFIG_PAX_DLRESOLVE
11373 +static void pax_emuplt_close(struct vm_area_struct *vma)
11374 +{
11375 + vma->vm_mm->call_dl_resolve = 0UL;
11376 +}
11377 +
11378 +static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
11379 +{
11380 + unsigned int *kaddr;
11381 +
11382 + vmf->page = alloc_page(GFP_HIGHUSER);
11383 + if (!vmf->page)
11384 + return VM_FAULT_OOM;
11385 +
11386 + kaddr = kmap(vmf->page);
11387 + memset(kaddr, 0, PAGE_SIZE);
11388 + kaddr[0] = 0x9DE3BFA8U; /* save */
11389 + flush_dcache_page(vmf->page);
11390 + kunmap(vmf->page);
11391 + return VM_FAULT_MAJOR;
11392 +}
11393 +
11394 +static const struct vm_operations_struct pax_vm_ops = {
11395 + .close = pax_emuplt_close,
11396 + .fault = pax_emuplt_fault
11397 +};
11398 +
11399 +static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
11400 +{
11401 + int ret;
11402 +
11403 + INIT_LIST_HEAD(&vma->anon_vma_chain);
11404 + vma->vm_mm = current->mm;
11405 + vma->vm_start = addr;
11406 + vma->vm_end = addr + PAGE_SIZE;
11407 + vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
11408 + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
11409 + vma->vm_ops = &pax_vm_ops;
11410 +
11411 + ret = insert_vm_struct(current->mm, vma);
11412 + if (ret)
11413 + return ret;
11414 +
11415 + ++current->mm->total_vm;
11416 + return 0;
11417 +}
11418 +#endif
11419 +
11420 +/*
11421 + * PaX: decide what to do with offenders (regs->pc = fault address)
11422 + *
11423 + * returns 1 when task should be killed
11424 + * 2 when patched PLT trampoline was detected
11425 + * 3 when unpatched PLT trampoline was detected
11426 + */
11427 +static int pax_handle_fetch_fault(struct pt_regs *regs)
11428 +{
11429 +
11430 +#ifdef CONFIG_PAX_EMUPLT
11431 + int err;
11432 +
11433 + do { /* PaX: patched PLT emulation #1 */
11434 + unsigned int sethi1, sethi2, jmpl;
11435 +
11436 + err = get_user(sethi1, (unsigned int *)regs->pc);
11437 + err |= get_user(sethi2, (unsigned int *)(regs->pc+4));
11438 + err |= get_user(jmpl, (unsigned int *)(regs->pc+8));
11439 +
11440 + if (err)
11441 + break;
11442 +
11443 + if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
11444 + (sethi2 & 0xFFC00000U) == 0x03000000U &&
11445 + (jmpl & 0xFFFFE000U) == 0x81C06000U)
11446 + {
11447 + unsigned int addr;
11448 +
11449 + regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
11450 + addr = regs->u_regs[UREG_G1];
11451 + addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
11452 + regs->pc = addr;
11453 + regs->npc = addr+4;
11454 + return 2;
11455 + }
11456 + } while (0);
11457 +
11458 + do { /* PaX: patched PLT emulation #2 */
11459 + unsigned int ba;
11460 +
11461 + err = get_user(ba, (unsigned int *)regs->pc);
11462 +
11463 + if (err)
11464 + break;
11465 +
11466 + if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
11467 + unsigned int addr;
11468 +
11469 + if ((ba & 0xFFC00000U) == 0x30800000U)
11470 + addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
11471 + else
11472 + addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
11473 + regs->pc = addr;
11474 + regs->npc = addr+4;
11475 + return 2;
11476 + }
11477 + } while (0);
11478 +
11479 + do { /* PaX: patched PLT emulation #3 */
11480 + unsigned int sethi, bajmpl, nop;
11481 +
11482 + err = get_user(sethi, (unsigned int *)regs->pc);
11483 + err |= get_user(bajmpl, (unsigned int *)(regs->pc+4));
11484 + err |= get_user(nop, (unsigned int *)(regs->pc+8));
11485 +
11486 + if (err)
11487 + break;
11488 +
11489 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11490 + ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
11491 + nop == 0x01000000U)
11492 + {
11493 + unsigned int addr;
11494 +
11495 + addr = (sethi & 0x003FFFFFU) << 10;
11496 + regs->u_regs[UREG_G1] = addr;
11497 + if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
11498 + addr += (((bajmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
11499 + else
11500 + addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
11501 + regs->pc = addr;
11502 + regs->npc = addr+4;
11503 + return 2;
11504 + }
11505 + } while (0);
11506 +
11507 + do { /* PaX: unpatched PLT emulation step 1 */
11508 + unsigned int sethi, ba, nop;
11509 +
11510 + err = get_user(sethi, (unsigned int *)regs->pc);
11511 + err |= get_user(ba, (unsigned int *)(regs->pc+4));
11512 + err |= get_user(nop, (unsigned int *)(regs->pc+8));
11513 +
11514 + if (err)
11515 + break;
11516 +
11517 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11518 + ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
11519 + nop == 0x01000000U)
11520 + {
11521 + unsigned int addr, save, call;
11522 +
11523 + if ((ba & 0xFFC00000U) == 0x30800000U)
11524 + addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2);
11525 + else
11526 + addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2);
11527 +
11528 + err = get_user(save, (unsigned int *)addr);
11529 + err |= get_user(call, (unsigned int *)(addr+4));
11530 + err |= get_user(nop, (unsigned int *)(addr+8));
11531 + if (err)
11532 + break;
11533 +
11534 +#ifdef CONFIG_PAX_DLRESOLVE
11535 + if (save == 0x9DE3BFA8U &&
11536 + (call & 0xC0000000U) == 0x40000000U &&
11537 + nop == 0x01000000U)
11538 + {
11539 + struct vm_area_struct *vma;
11540 + unsigned long call_dl_resolve;
11541 +
11542 + down_read(&current->mm->mmap_sem);
11543 + call_dl_resolve = current->mm->call_dl_resolve;
11544 + up_read(&current->mm->mmap_sem);
11545 + if (likely(call_dl_resolve))
11546 + goto emulate;
11547 +
11548 + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
11549 +
11550 + down_write(&current->mm->mmap_sem);
11551 + if (current->mm->call_dl_resolve) {
11552 + call_dl_resolve = current->mm->call_dl_resolve;
11553 + up_write(&current->mm->mmap_sem);
11554 + if (vma)
11555 + kmem_cache_free(vm_area_cachep, vma);
11556 + goto emulate;
11557 + }
11558 +
11559 + call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
11560 + if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
11561 + up_write(&current->mm->mmap_sem);
11562 + if (vma)
11563 + kmem_cache_free(vm_area_cachep, vma);
11564 + return 1;
11565 + }
11566 +
11567 + if (pax_insert_vma(vma, call_dl_resolve)) {
11568 + up_write(&current->mm->mmap_sem);
11569 + kmem_cache_free(vm_area_cachep, vma);
11570 + return 1;
11571 + }
11572 +
11573 + current->mm->call_dl_resolve = call_dl_resolve;
11574 + up_write(&current->mm->mmap_sem);
11575 +
11576 +emulate:
11577 + regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
11578 + regs->pc = call_dl_resolve;
11579 + regs->npc = addr+4;
11580 + return 3;
11581 + }
11582 +#endif
11583 +
11584 + /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
11585 + if ((save & 0xFFC00000U) == 0x05000000U &&
11586 + (call & 0xFFFFE000U) == 0x85C0A000U &&
11587 + nop == 0x01000000U)
11588 + {
11589 + regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
11590 + regs->u_regs[UREG_G2] = addr + 4;
11591 + addr = (save & 0x003FFFFFU) << 10;
11592 + addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U);
11593 + regs->pc = addr;
11594 + regs->npc = addr+4;
11595 + return 3;
11596 + }
11597 + }
11598 + } while (0);
11599 +
11600 + do { /* PaX: unpatched PLT emulation step 2 */
11601 + unsigned int save, call, nop;
11602 +
11603 + err = get_user(save, (unsigned int *)(regs->pc-4));
11604 + err |= get_user(call, (unsigned int *)regs->pc);
11605 + err |= get_user(nop, (unsigned int *)(regs->pc+4));
11606 + if (err)
11607 + break;
11608 +
11609 + if (save == 0x9DE3BFA8U &&
11610 + (call & 0xC0000000U) == 0x40000000U &&
11611 + nop == 0x01000000U)
11612 + {
11613 + unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2);
11614 +
11615 + regs->u_regs[UREG_RETPC] = regs->pc;
11616 + regs->pc = dl_resolve;
11617 + regs->npc = dl_resolve+4;
11618 + return 3;
11619 + }
11620 + } while (0);
11621 +#endif
11622 +
11623 + return 1;
11624 +}
11625 +
11626 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
11627 +{
11628 + unsigned long i;
11629 +
11630 + printk(KERN_ERR "PAX: bytes at PC: ");
11631 + for (i = 0; i < 8; i++) {
11632 + unsigned int c;
11633 + if (get_user(c, (unsigned int *)pc+i))
11634 + printk(KERN_CONT "???????? ");
11635 + else
11636 + printk(KERN_CONT "%08x ", c);
11637 + }
11638 + printk("\n");
11639 +}
11640 +#endif
11641 +
11642 static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
11643 int text_fault)
11644 {
11645 @@ -226,6 +500,24 @@ good_area:
11646 if (!(vma->vm_flags & VM_WRITE))
11647 goto bad_area;
11648 } else {
11649 +
11650 +#ifdef CONFIG_PAX_PAGEEXEC
11651 + if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) {
11652 + up_read(&mm->mmap_sem);
11653 + switch (pax_handle_fetch_fault(regs)) {
11654 +
11655 +#ifdef CONFIG_PAX_EMUPLT
11656 + case 2:
11657 + case 3:
11658 + return;
11659 +#endif
11660 +
11661 + }
11662 + pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]);
11663 + do_group_exit(SIGKILL);
11664 + }
11665 +#endif
11666 +
11667 /* Allow reads even for write-only mappings */
11668 if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
11669 goto bad_area;
11670 diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
11671 index 18fcd71..e4fe821 100644
11672 --- a/arch/sparc/mm/fault_64.c
11673 +++ b/arch/sparc/mm/fault_64.c
11674 @@ -22,6 +22,9 @@
11675 #include <linux/kdebug.h>
11676 #include <linux/percpu.h>
11677 #include <linux/context_tracking.h>
11678 +#include <linux/slab.h>
11679 +#include <linux/pagemap.h>
11680 +#include <linux/compiler.h>
11681
11682 #include <asm/page.h>
11683 #include <asm/pgtable.h>
11684 @@ -76,7 +79,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
11685 printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
11686 regs->tpc);
11687 printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
11688 - printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]);
11689 + printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]);
11690 printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
11691 dump_stack();
11692 unhandled_fault(regs->tpc, current, regs);
11693 @@ -279,6 +282,466 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs)
11694 show_regs(regs);
11695 }
11696
11697 +#ifdef CONFIG_PAX_PAGEEXEC
11698 +#ifdef CONFIG_PAX_DLRESOLVE
11699 +static void pax_emuplt_close(struct vm_area_struct *vma)
11700 +{
11701 + vma->vm_mm->call_dl_resolve = 0UL;
11702 +}
11703 +
11704 +static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
11705 +{
11706 + unsigned int *kaddr;
11707 +
11708 + vmf->page = alloc_page(GFP_HIGHUSER);
11709 + if (!vmf->page)
11710 + return VM_FAULT_OOM;
11711 +
11712 + kaddr = kmap(vmf->page);
11713 + memset(kaddr, 0, PAGE_SIZE);
11714 + kaddr[0] = 0x9DE3BFA8U; /* save */
11715 + flush_dcache_page(vmf->page);
11716 + kunmap(vmf->page);
11717 + return VM_FAULT_MAJOR;
11718 +}
11719 +
11720 +static const struct vm_operations_struct pax_vm_ops = {
11721 + .close = pax_emuplt_close,
11722 + .fault = pax_emuplt_fault
11723 +};
11724 +
11725 +static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr)
11726 +{
11727 + int ret;
11728 +
11729 + INIT_LIST_HEAD(&vma->anon_vma_chain);
11730 + vma->vm_mm = current->mm;
11731 + vma->vm_start = addr;
11732 + vma->vm_end = addr + PAGE_SIZE;
11733 + vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC;
11734 + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
11735 + vma->vm_ops = &pax_vm_ops;
11736 +
11737 + ret = insert_vm_struct(current->mm, vma);
11738 + if (ret)
11739 + return ret;
11740 +
11741 + ++current->mm->total_vm;
11742 + return 0;
11743 +}
11744 +#endif
11745 +
11746 +/*
11747 + * PaX: decide what to do with offenders (regs->tpc = fault address)
11748 + *
11749 + * returns 1 when task should be killed
11750 + * 2 when patched PLT trampoline was detected
11751 + * 3 when unpatched PLT trampoline was detected
11752 + */
11753 +static int pax_handle_fetch_fault(struct pt_regs *regs)
11754 +{
11755 +
11756 +#ifdef CONFIG_PAX_EMUPLT
11757 + int err;
11758 +
11759 + do { /* PaX: patched PLT emulation #1 */
11760 + unsigned int sethi1, sethi2, jmpl;
11761 +
11762 + err = get_user(sethi1, (unsigned int *)regs->tpc);
11763 + err |= get_user(sethi2, (unsigned int *)(regs->tpc+4));
11764 + err |= get_user(jmpl, (unsigned int *)(regs->tpc+8));
11765 +
11766 + if (err)
11767 + break;
11768 +
11769 + if ((sethi1 & 0xFFC00000U) == 0x03000000U &&
11770 + (sethi2 & 0xFFC00000U) == 0x03000000U &&
11771 + (jmpl & 0xFFFFE000U) == 0x81C06000U)
11772 + {
11773 + unsigned long addr;
11774 +
11775 + regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10;
11776 + addr = regs->u_regs[UREG_G1];
11777 + addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
11778 +
11779 + if (test_thread_flag(TIF_32BIT))
11780 + addr &= 0xFFFFFFFFUL;
11781 +
11782 + regs->tpc = addr;
11783 + regs->tnpc = addr+4;
11784 + return 2;
11785 + }
11786 + } while (0);
11787 +
11788 + do { /* PaX: patched PLT emulation #2 */
11789 + unsigned int ba;
11790 +
11791 + err = get_user(ba, (unsigned int *)regs->tpc);
11792 +
11793 + if (err)
11794 + break;
11795 +
11796 + if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) {
11797 + unsigned long addr;
11798 +
11799 + if ((ba & 0xFFC00000U) == 0x30800000U)
11800 + addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
11801 + else
11802 + addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
11803 +
11804 + if (test_thread_flag(TIF_32BIT))
11805 + addr &= 0xFFFFFFFFUL;
11806 +
11807 + regs->tpc = addr;
11808 + regs->tnpc = addr+4;
11809 + return 2;
11810 + }
11811 + } while (0);
11812 +
11813 + do { /* PaX: patched PLT emulation #3 */
11814 + unsigned int sethi, bajmpl, nop;
11815 +
11816 + err = get_user(sethi, (unsigned int *)regs->tpc);
11817 + err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4));
11818 + err |= get_user(nop, (unsigned int *)(regs->tpc+8));
11819 +
11820 + if (err)
11821 + break;
11822 +
11823 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11824 + ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) &&
11825 + nop == 0x01000000U)
11826 + {
11827 + unsigned long addr;
11828 +
11829 + addr = (sethi & 0x003FFFFFU) << 10;
11830 + regs->u_regs[UREG_G1] = addr;
11831 + if ((bajmpl & 0xFFFFE000U) == 0x81C06000U)
11832 + addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
11833 + else
11834 + addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
11835 +
11836 + if (test_thread_flag(TIF_32BIT))
11837 + addr &= 0xFFFFFFFFUL;
11838 +
11839 + regs->tpc = addr;
11840 + regs->tnpc = addr+4;
11841 + return 2;
11842 + }
11843 + } while (0);
11844 +
11845 + do { /* PaX: patched PLT emulation #4 */
11846 + unsigned int sethi, mov1, call, mov2;
11847 +
11848 + err = get_user(sethi, (unsigned int *)regs->tpc);
11849 + err |= get_user(mov1, (unsigned int *)(regs->tpc+4));
11850 + err |= get_user(call, (unsigned int *)(regs->tpc+8));
11851 + err |= get_user(mov2, (unsigned int *)(regs->tpc+12));
11852 +
11853 + if (err)
11854 + break;
11855 +
11856 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11857 + mov1 == 0x8210000FU &&
11858 + (call & 0xC0000000U) == 0x40000000U &&
11859 + mov2 == 0x9E100001U)
11860 + {
11861 + unsigned long addr;
11862 +
11863 + regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC];
11864 + addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
11865 +
11866 + if (test_thread_flag(TIF_32BIT))
11867 + addr &= 0xFFFFFFFFUL;
11868 +
11869 + regs->tpc = addr;
11870 + regs->tnpc = addr+4;
11871 + return 2;
11872 + }
11873 + } while (0);
11874 +
11875 + do { /* PaX: patched PLT emulation #5 */
11876 + unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop;
11877 +
11878 + err = get_user(sethi, (unsigned int *)regs->tpc);
11879 + err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
11880 + err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
11881 + err |= get_user(or1, (unsigned int *)(regs->tpc+12));
11882 + err |= get_user(or2, (unsigned int *)(regs->tpc+16));
11883 + err |= get_user(sllx, (unsigned int *)(regs->tpc+20));
11884 + err |= get_user(jmpl, (unsigned int *)(regs->tpc+24));
11885 + err |= get_user(nop, (unsigned int *)(regs->tpc+28));
11886 +
11887 + if (err)
11888 + break;
11889 +
11890 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11891 + (sethi1 & 0xFFC00000U) == 0x03000000U &&
11892 + (sethi2 & 0xFFC00000U) == 0x0B000000U &&
11893 + (or1 & 0xFFFFE000U) == 0x82106000U &&
11894 + (or2 & 0xFFFFE000U) == 0x8A116000U &&
11895 + sllx == 0x83287020U &&
11896 + jmpl == 0x81C04005U &&
11897 + nop == 0x01000000U)
11898 + {
11899 + unsigned long addr;
11900 +
11901 + regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
11902 + regs->u_regs[UREG_G1] <<= 32;
11903 + regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
11904 + addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
11905 + regs->tpc = addr;
11906 + regs->tnpc = addr+4;
11907 + return 2;
11908 + }
11909 + } while (0);
11910 +
11911 + do { /* PaX: patched PLT emulation #6 */
11912 + unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop;
11913 +
11914 + err = get_user(sethi, (unsigned int *)regs->tpc);
11915 + err |= get_user(sethi1, (unsigned int *)(regs->tpc+4));
11916 + err |= get_user(sethi2, (unsigned int *)(regs->tpc+8));
11917 + err |= get_user(sllx, (unsigned int *)(regs->tpc+12));
11918 + err |= get_user(or, (unsigned int *)(regs->tpc+16));
11919 + err |= get_user(jmpl, (unsigned int *)(regs->tpc+20));
11920 + err |= get_user(nop, (unsigned int *)(regs->tpc+24));
11921 +
11922 + if (err)
11923 + break;
11924 +
11925 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11926 + (sethi1 & 0xFFC00000U) == 0x03000000U &&
11927 + (sethi2 & 0xFFC00000U) == 0x0B000000U &&
11928 + sllx == 0x83287020U &&
11929 + (or & 0xFFFFE000U) == 0x8A116000U &&
11930 + jmpl == 0x81C04005U &&
11931 + nop == 0x01000000U)
11932 + {
11933 + unsigned long addr;
11934 +
11935 + regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10;
11936 + regs->u_regs[UREG_G1] <<= 32;
11937 + regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU);
11938 + addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5];
11939 + regs->tpc = addr;
11940 + regs->tnpc = addr+4;
11941 + return 2;
11942 + }
11943 + } while (0);
11944 +
11945 + do { /* PaX: unpatched PLT emulation step 1 */
11946 + unsigned int sethi, ba, nop;
11947 +
11948 + err = get_user(sethi, (unsigned int *)regs->tpc);
11949 + err |= get_user(ba, (unsigned int *)(regs->tpc+4));
11950 + err |= get_user(nop, (unsigned int *)(regs->tpc+8));
11951 +
11952 + if (err)
11953 + break;
11954 +
11955 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
11956 + ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) &&
11957 + nop == 0x01000000U)
11958 + {
11959 + unsigned long addr;
11960 + unsigned int save, call;
11961 + unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl;
11962 +
11963 + if ((ba & 0xFFC00000U) == 0x30800000U)
11964 + addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2);
11965 + else
11966 + addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
11967 +
11968 + if (test_thread_flag(TIF_32BIT))
11969 + addr &= 0xFFFFFFFFUL;
11970 +
11971 + err = get_user(save, (unsigned int *)addr);
11972 + err |= get_user(call, (unsigned int *)(addr+4));
11973 + err |= get_user(nop, (unsigned int *)(addr+8));
11974 + if (err)
11975 + break;
11976 +
11977 +#ifdef CONFIG_PAX_DLRESOLVE
11978 + if (save == 0x9DE3BFA8U &&
11979 + (call & 0xC0000000U) == 0x40000000U &&
11980 + nop == 0x01000000U)
11981 + {
11982 + struct vm_area_struct *vma;
11983 + unsigned long call_dl_resolve;
11984 +
11985 + down_read(&current->mm->mmap_sem);
11986 + call_dl_resolve = current->mm->call_dl_resolve;
11987 + up_read(&current->mm->mmap_sem);
11988 + if (likely(call_dl_resolve))
11989 + goto emulate;
11990 +
11991 + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
11992 +
11993 + down_write(&current->mm->mmap_sem);
11994 + if (current->mm->call_dl_resolve) {
11995 + call_dl_resolve = current->mm->call_dl_resolve;
11996 + up_write(&current->mm->mmap_sem);
11997 + if (vma)
11998 + kmem_cache_free(vm_area_cachep, vma);
11999 + goto emulate;
12000 + }
12001 +
12002 + call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE);
12003 + if (!vma || (call_dl_resolve & ~PAGE_MASK)) {
12004 + up_write(&current->mm->mmap_sem);
12005 + if (vma)
12006 + kmem_cache_free(vm_area_cachep, vma);
12007 + return 1;
12008 + }
12009 +
12010 + if (pax_insert_vma(vma, call_dl_resolve)) {
12011 + up_write(&current->mm->mmap_sem);
12012 + kmem_cache_free(vm_area_cachep, vma);
12013 + return 1;
12014 + }
12015 +
12016 + current->mm->call_dl_resolve = call_dl_resolve;
12017 + up_write(&current->mm->mmap_sem);
12018 +
12019 +emulate:
12020 + regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
12021 + regs->tpc = call_dl_resolve;
12022 + regs->tnpc = addr+4;
12023 + return 3;
12024 + }
12025 +#endif
12026 +
12027 + /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */
12028 + if ((save & 0xFFC00000U) == 0x05000000U &&
12029 + (call & 0xFFFFE000U) == 0x85C0A000U &&
12030 + nop == 0x01000000U)
12031 + {
12032 + regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
12033 + regs->u_regs[UREG_G2] = addr + 4;
12034 + addr = (save & 0x003FFFFFU) << 10;
12035 + addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL);
12036 +
12037 + if (test_thread_flag(TIF_32BIT))
12038 + addr &= 0xFFFFFFFFUL;
12039 +
12040 + regs->tpc = addr;
12041 + regs->tnpc = addr+4;
12042 + return 3;
12043 + }
12044 +
12045 + /* PaX: 64-bit PLT stub */
12046 + err = get_user(sethi1, (unsigned int *)addr);
12047 + err |= get_user(sethi2, (unsigned int *)(addr+4));
12048 + err |= get_user(or1, (unsigned int *)(addr+8));
12049 + err |= get_user(or2, (unsigned int *)(addr+12));
12050 + err |= get_user(sllx, (unsigned int *)(addr+16));
12051 + err |= get_user(add, (unsigned int *)(addr+20));
12052 + err |= get_user(jmpl, (unsigned int *)(addr+24));
12053 + err |= get_user(nop, (unsigned int *)(addr+28));
12054 + if (err)
12055 + break;
12056 +
12057 + if ((sethi1 & 0xFFC00000U) == 0x09000000U &&
12058 + (sethi2 & 0xFFC00000U) == 0x0B000000U &&
12059 + (or1 & 0xFFFFE000U) == 0x88112000U &&
12060 + (or2 & 0xFFFFE000U) == 0x8A116000U &&
12061 + sllx == 0x89293020U &&
12062 + add == 0x8A010005U &&
12063 + jmpl == 0x89C14000U &&
12064 + nop == 0x01000000U)
12065 + {
12066 + regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10;
12067 + regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU);
12068 + regs->u_regs[UREG_G4] <<= 32;
12069 + regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU);
12070 + regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4];
12071 + regs->u_regs[UREG_G4] = addr + 24;
12072 + addr = regs->u_regs[UREG_G5];
12073 + regs->tpc = addr;
12074 + regs->tnpc = addr+4;
12075 + return 3;
12076 + }
12077 + }
12078 + } while (0);
12079 +
12080 +#ifdef CONFIG_PAX_DLRESOLVE
12081 + do { /* PaX: unpatched PLT emulation step 2 */
12082 + unsigned int save, call, nop;
12083 +
12084 + err = get_user(save, (unsigned int *)(regs->tpc-4));
12085 + err |= get_user(call, (unsigned int *)regs->tpc);
12086 + err |= get_user(nop, (unsigned int *)(regs->tpc+4));
12087 + if (err)
12088 + break;
12089 +
12090 + if (save == 0x9DE3BFA8U &&
12091 + (call & 0xC0000000U) == 0x40000000U &&
12092 + nop == 0x01000000U)
12093 + {
12094 + unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2);
12095 +
12096 + if (test_thread_flag(TIF_32BIT))
12097 + dl_resolve &= 0xFFFFFFFFUL;
12098 +
12099 + regs->u_regs[UREG_RETPC] = regs->tpc;
12100 + regs->tpc = dl_resolve;
12101 + regs->tnpc = dl_resolve+4;
12102 + return 3;
12103 + }
12104 + } while (0);
12105 +#endif
12106 +
12107 + do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */
12108 + unsigned int sethi, ba, nop;
12109 +
12110 + err = get_user(sethi, (unsigned int *)regs->tpc);
12111 + err |= get_user(ba, (unsigned int *)(regs->tpc+4));
12112 + err |= get_user(nop, (unsigned int *)(regs->tpc+8));
12113 +
12114 + if (err)
12115 + break;
12116 +
12117 + if ((sethi & 0xFFC00000U) == 0x03000000U &&
12118 + (ba & 0xFFF00000U) == 0x30600000U &&
12119 + nop == 0x01000000U)
12120 + {
12121 + unsigned long addr;
12122 +
12123 + addr = (sethi & 0x003FFFFFU) << 10;
12124 + regs->u_regs[UREG_G1] = addr;
12125 + addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2);
12126 +
12127 + if (test_thread_flag(TIF_32BIT))
12128 + addr &= 0xFFFFFFFFUL;
12129 +
12130 + regs->tpc = addr;
12131 + regs->tnpc = addr+4;
12132 + return 2;
12133 + }
12134 + } while (0);
12135 +
12136 +#endif
12137 +
12138 + return 1;
12139 +}
12140 +
12141 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
12142 +{
12143 + unsigned long i;
12144 +
12145 + printk(KERN_ERR "PAX: bytes at PC: ");
12146 + for (i = 0; i < 8; i++) {
12147 + unsigned int c;
12148 + if (get_user(c, (unsigned int *)pc+i))
12149 + printk(KERN_CONT "???????? ");
12150 + else
12151 + printk(KERN_CONT "%08x ", c);
12152 + }
12153 + printk("\n");
12154 +}
12155 +#endif
12156 +
12157 asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
12158 {
12159 enum ctx_state prev_state = exception_enter();
12160 @@ -353,6 +816,29 @@ retry:
12161 if (!vma)
12162 goto bad_area;
12163
12164 +#ifdef CONFIG_PAX_PAGEEXEC
12165 + /* PaX: detect ITLB misses on non-exec pages */
12166 + if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address &&
12167 + !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB))
12168 + {
12169 + if (address != regs->tpc)
12170 + goto good_area;
12171 +
12172 + up_read(&mm->mmap_sem);
12173 + switch (pax_handle_fetch_fault(regs)) {
12174 +
12175 +#ifdef CONFIG_PAX_EMUPLT
12176 + case 2:
12177 + case 3:
12178 + return;
12179 +#endif
12180 +
12181 + }
12182 + pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS));
12183 + do_group_exit(SIGKILL);
12184 + }
12185 +#endif
12186 +
12187 /* Pure DTLB misses do not tell us whether the fault causing
12188 * load/store/atomic was a write or not, it only says that there
12189 * was no match. So in such a case we (carefully) read the
12190 diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
12191 index d329537..2c3746a 100644
12192 --- a/arch/sparc/mm/hugetlbpage.c
12193 +++ b/arch/sparc/mm/hugetlbpage.c
12194 @@ -25,8 +25,10 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp,
12195 unsigned long addr,
12196 unsigned long len,
12197 unsigned long pgoff,
12198 - unsigned long flags)
12199 + unsigned long flags,
12200 + unsigned long offset)
12201 {
12202 + struct mm_struct *mm = current->mm;
12203 unsigned long task_size = TASK_SIZE;
12204 struct vm_unmapped_area_info info;
12205
12206 @@ -35,15 +37,22 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp,
12207
12208 info.flags = 0;
12209 info.length = len;
12210 - info.low_limit = TASK_UNMAPPED_BASE;
12211 + info.low_limit = mm->mmap_base;
12212 info.high_limit = min(task_size, VA_EXCLUDE_START);
12213 info.align_mask = PAGE_MASK & ~HPAGE_MASK;
12214 info.align_offset = 0;
12215 + info.threadstack_offset = offset;
12216 addr = vm_unmapped_area(&info);
12217
12218 if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) {
12219 VM_BUG_ON(addr != -ENOMEM);
12220 info.low_limit = VA_EXCLUDE_END;
12221 +
12222 +#ifdef CONFIG_PAX_RANDMMAP
12223 + if (mm->pax_flags & MF_PAX_RANDMMAP)
12224 + info.low_limit += mm->delta_mmap;
12225 +#endif
12226 +
12227 info.high_limit = task_size;
12228 addr = vm_unmapped_area(&info);
12229 }
12230 @@ -55,7 +64,8 @@ static unsigned long
12231 hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
12232 const unsigned long len,
12233 const unsigned long pgoff,
12234 - const unsigned long flags)
12235 + const unsigned long flags,
12236 + const unsigned long offset)
12237 {
12238 struct mm_struct *mm = current->mm;
12239 unsigned long addr = addr0;
12240 @@ -70,6 +80,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
12241 info.high_limit = mm->mmap_base;
12242 info.align_mask = PAGE_MASK & ~HPAGE_MASK;
12243 info.align_offset = 0;
12244 + info.threadstack_offset = offset;
12245 addr = vm_unmapped_area(&info);
12246
12247 /*
12248 @@ -82,6 +93,12 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
12249 VM_BUG_ON(addr != -ENOMEM);
12250 info.flags = 0;
12251 info.low_limit = TASK_UNMAPPED_BASE;
12252 +
12253 +#ifdef CONFIG_PAX_RANDMMAP
12254 + if (mm->pax_flags & MF_PAX_RANDMMAP)
12255 + info.low_limit += mm->delta_mmap;
12256 +#endif
12257 +
12258 info.high_limit = STACK_TOP32;
12259 addr = vm_unmapped_area(&info);
12260 }
12261 @@ -96,6 +113,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
12262 struct mm_struct *mm = current->mm;
12263 struct vm_area_struct *vma;
12264 unsigned long task_size = TASK_SIZE;
12265 + unsigned long offset = gr_rand_threadstack_offset(mm, file, flags);
12266
12267 if (test_thread_flag(TIF_32BIT))
12268 task_size = STACK_TOP32;
12269 @@ -111,19 +129,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
12270 return addr;
12271 }
12272
12273 +#ifdef CONFIG_PAX_RANDMMAP
12274 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
12275 +#endif
12276 +
12277 if (addr) {
12278 addr = ALIGN(addr, HPAGE_SIZE);
12279 vma = find_vma(mm, addr);
12280 - if (task_size - len >= addr &&
12281 - (!vma || addr + len <= vma->vm_start))
12282 + if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
12283 return addr;
12284 }
12285 if (mm->get_unmapped_area == arch_get_unmapped_area)
12286 return hugetlb_get_unmapped_area_bottomup(file, addr, len,
12287 - pgoff, flags);
12288 + pgoff, flags, offset);
12289 else
12290 return hugetlb_get_unmapped_area_topdown(file, addr, len,
12291 - pgoff, flags);
12292 + pgoff, flags, offset);
12293 }
12294
12295 pte_t *huge_pte_alloc(struct mm_struct *mm,
12296 diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
12297 index 2d91c62..17a8fff 100644
12298 --- a/arch/sparc/mm/init_64.c
12299 +++ b/arch/sparc/mm/init_64.c
12300 @@ -186,9 +186,9 @@ unsigned long sparc64_kern_sec_context __read_mostly;
12301 int num_kernel_image_mappings;
12302
12303 #ifdef CONFIG_DEBUG_DCFLUSH
12304 -atomic_t dcpage_flushes = ATOMIC_INIT(0);
12305 +atomic_unchecked_t dcpage_flushes = ATOMIC_INIT(0);
12306 #ifdef CONFIG_SMP
12307 -atomic_t dcpage_flushes_xcall = ATOMIC_INIT(0);
12308 +atomic_unchecked_t dcpage_flushes_xcall = ATOMIC_INIT(0);
12309 #endif
12310 #endif
12311
12312 @@ -196,7 +196,7 @@ inline void flush_dcache_page_impl(struct page *page)
12313 {
12314 BUG_ON(tlb_type == hypervisor);
12315 #ifdef CONFIG_DEBUG_DCFLUSH
12316 - atomic_inc(&dcpage_flushes);
12317 + atomic_inc_unchecked(&dcpage_flushes);
12318 #endif
12319
12320 #ifdef DCACHE_ALIASING_POSSIBLE
12321 @@ -468,10 +468,10 @@ void mmu_info(struct seq_file *m)
12322
12323 #ifdef CONFIG_DEBUG_DCFLUSH
12324 seq_printf(m, "DCPageFlushes\t: %d\n",
12325 - atomic_read(&dcpage_flushes));
12326 + atomic_read_unchecked(&dcpage_flushes));
12327 #ifdef CONFIG_SMP
12328 seq_printf(m, "DCPageFlushesXC\t: %d\n",
12329 - atomic_read(&dcpage_flushes_xcall));
12330 + atomic_read_unchecked(&dcpage_flushes_xcall));
12331 #endif /* CONFIG_SMP */
12332 #endif /* CONFIG_DEBUG_DCFLUSH */
12333 }
12334 diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
12335 index 7cca418..53fc030 100644
12336 --- a/arch/tile/Kconfig
12337 +++ b/arch/tile/Kconfig
12338 @@ -192,6 +192,7 @@ source "kernel/Kconfig.hz"
12339
12340 config KEXEC
12341 bool "kexec system call"
12342 + depends on !GRKERNSEC_KMEM
12343 ---help---
12344 kexec is a system call that implements the ability to shutdown your
12345 current kernel, and to start another kernel. It is like a reboot
12346 diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h
12347 index 7b11c5f..755a026 100644
12348 --- a/arch/tile/include/asm/atomic_64.h
12349 +++ b/arch/tile/include/asm/atomic_64.h
12350 @@ -105,6 +105,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
12351
12352 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
12353
12354 +#define atomic64_read_unchecked(v) atomic64_read(v)
12355 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
12356 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
12357 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
12358 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
12359 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
12360 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
12361 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
12362 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
12363 +
12364 /* Define this to indicate that cmpxchg is an efficient operation. */
12365 #define __HAVE_ARCH_CMPXCHG
12366
12367 diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h
12368 index 6160761..00cac88 100644
12369 --- a/arch/tile/include/asm/cache.h
12370 +++ b/arch/tile/include/asm/cache.h
12371 @@ -15,11 +15,12 @@
12372 #ifndef _ASM_TILE_CACHE_H
12373 #define _ASM_TILE_CACHE_H
12374
12375 +#include <linux/const.h>
12376 #include <arch/chip.h>
12377
12378 /* bytes per L1 data cache line */
12379 #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE()
12380 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
12381 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
12382
12383 /* bytes per L2 cache line */
12384 #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE()
12385 diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
12386 index b6cde32..c0cb736 100644
12387 --- a/arch/tile/include/asm/uaccess.h
12388 +++ b/arch/tile/include/asm/uaccess.h
12389 @@ -414,9 +414,9 @@ static inline unsigned long __must_check copy_from_user(void *to,
12390 const void __user *from,
12391 unsigned long n)
12392 {
12393 - int sz = __compiletime_object_size(to);
12394 + size_t sz = __compiletime_object_size(to);
12395
12396 - if (likely(sz == -1 || sz >= n))
12397 + if (likely(sz == (size_t)-1 || sz >= n))
12398 n = _copy_from_user(to, from, n);
12399 else
12400 copy_from_user_overflow();
12401 diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c
12402 index e514899..f8743c4 100644
12403 --- a/arch/tile/mm/hugetlbpage.c
12404 +++ b/arch/tile/mm/hugetlbpage.c
12405 @@ -207,6 +207,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
12406 info.high_limit = TASK_SIZE;
12407 info.align_mask = PAGE_MASK & ~huge_page_mask(h);
12408 info.align_offset = 0;
12409 + info.threadstack_offset = 0;
12410 return vm_unmapped_area(&info);
12411 }
12412
12413 @@ -224,6 +225,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
12414 info.high_limit = current->mm->mmap_base;
12415 info.align_mask = PAGE_MASK & ~huge_page_mask(h);
12416 info.align_offset = 0;
12417 + info.threadstack_offset = 0;
12418 addr = vm_unmapped_area(&info);
12419
12420 /*
12421 diff --git a/arch/um/Makefile b/arch/um/Makefile
12422 index e4b1a96..16162f8 100644
12423 --- a/arch/um/Makefile
12424 +++ b/arch/um/Makefile
12425 @@ -72,6 +72,10 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
12426 $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
12427 $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include
12428
12429 +ifdef CONSTIFY_PLUGIN
12430 +USER_CFLAGS += -fplugin-arg-constify_plugin-no-constify
12431 +endif
12432 +
12433 #This will adjust *FLAGS accordingly to the platform.
12434 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
12435
12436 diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h
12437 index 19e1bdd..3665b77 100644
12438 --- a/arch/um/include/asm/cache.h
12439 +++ b/arch/um/include/asm/cache.h
12440 @@ -1,6 +1,7 @@
12441 #ifndef __UM_CACHE_H
12442 #define __UM_CACHE_H
12443
12444 +#include <linux/const.h>
12445
12446 #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
12447 # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
12448 @@ -12,6 +13,6 @@
12449 # define L1_CACHE_SHIFT 5
12450 #endif
12451
12452 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
12453 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
12454
12455 #endif
12456 diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h
12457 index 2e0a6b1..a64d0f5 100644
12458 --- a/arch/um/include/asm/kmap_types.h
12459 +++ b/arch/um/include/asm/kmap_types.h
12460 @@ -8,6 +8,6 @@
12461
12462 /* No more #include "asm/arch/kmap_types.h" ! */
12463
12464 -#define KM_TYPE_NR 14
12465 +#define KM_TYPE_NR 15
12466
12467 #endif
12468 diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
12469 index 71c5d13..4c7b9f1 100644
12470 --- a/arch/um/include/asm/page.h
12471 +++ b/arch/um/include/asm/page.h
12472 @@ -14,6 +14,9 @@
12473 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
12474 #define PAGE_MASK (~(PAGE_SIZE-1))
12475
12476 +#define ktla_ktva(addr) (addr)
12477 +#define ktva_ktla(addr) (addr)
12478 +
12479 #ifndef __ASSEMBLY__
12480
12481 struct page;
12482 diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
12483 index 0032f92..cd151e0 100644
12484 --- a/arch/um/include/asm/pgtable-3level.h
12485 +++ b/arch/um/include/asm/pgtable-3level.h
12486 @@ -58,6 +58,7 @@
12487 #define pud_present(x) (pud_val(x) & _PAGE_PRESENT)
12488 #define pud_populate(mm, pud, pmd) \
12489 set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
12490 +#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd))
12491
12492 #ifdef CONFIG_64BIT
12493 #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
12494 diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
12495 index f17bca8..48adb87 100644
12496 --- a/arch/um/kernel/process.c
12497 +++ b/arch/um/kernel/process.c
12498 @@ -356,22 +356,6 @@ int singlestepping(void * t)
12499 return 2;
12500 }
12501
12502 -/*
12503 - * Only x86 and x86_64 have an arch_align_stack().
12504 - * All other arches have "#define arch_align_stack(x) (x)"
12505 - * in their asm/exec.h
12506 - * As this is included in UML from asm-um/system-generic.h,
12507 - * we can use it to behave as the subarch does.
12508 - */
12509 -#ifndef arch_align_stack
12510 -unsigned long arch_align_stack(unsigned long sp)
12511 -{
12512 - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
12513 - sp -= get_random_int() % 8192;
12514 - return sp & ~0xf;
12515 -}
12516 -#endif
12517 -
12518 unsigned long get_wchan(struct task_struct *p)
12519 {
12520 unsigned long stack_page, sp, ip;
12521 diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h
12522 index ad8f795..2c7eec6 100644
12523 --- a/arch/unicore32/include/asm/cache.h
12524 +++ b/arch/unicore32/include/asm/cache.h
12525 @@ -12,8 +12,10 @@
12526 #ifndef __UNICORE_CACHE_H__
12527 #define __UNICORE_CACHE_H__
12528
12529 -#define L1_CACHE_SHIFT (5)
12530 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
12531 +#include <linux/const.h>
12532 +
12533 +#define L1_CACHE_SHIFT 5
12534 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
12535
12536 /*
12537 * Memory returned by kmalloc() may be used for DMA, so we must make
12538 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
12539 index 3635fff..c1f9fab 100644
12540 --- a/arch/x86/Kconfig
12541 +++ b/arch/x86/Kconfig
12542 @@ -129,7 +129,7 @@ config X86
12543 select RTC_LIB
12544 select HAVE_DEBUG_STACKOVERFLOW
12545 select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
12546 - select HAVE_CC_STACKPROTECTOR
12547 + select HAVE_CC_STACKPROTECTOR if X86_64 || !PAX_MEMORY_UDEREF
12548 select GENERIC_CPU_AUTOPROBE
12549 select HAVE_ARCH_AUDITSYSCALL
12550 select ARCH_SUPPORTS_ATOMIC_RMW
12551 @@ -262,7 +262,7 @@ config X86_HT
12552
12553 config X86_32_LAZY_GS
12554 def_bool y
12555 - depends on X86_32 && !CC_STACKPROTECTOR
12556 + depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF
12557
12558 config ARCH_HWEIGHT_CFLAGS
12559 string
12560 @@ -600,6 +600,7 @@ config SCHED_OMIT_FRAME_POINTER
12561
12562 menuconfig HYPERVISOR_GUEST
12563 bool "Linux guest support"
12564 + depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_GUEST || (GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_XEN)
12565 ---help---
12566 Say Y here to enable options for running Linux under various hyper-
12567 visors. This option enables basic hypervisor detection and platform
12568 @@ -977,6 +978,7 @@ config VM86
12569
12570 config X86_16BIT
12571 bool "Enable support for 16-bit segments" if EXPERT
12572 + depends on !GRKERNSEC
12573 default y
12574 ---help---
12575 This option is required by programs like Wine to run 16-bit
12576 @@ -1132,6 +1134,7 @@ choice
12577
12578 config NOHIGHMEM
12579 bool "off"
12580 + depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
12581 ---help---
12582 Linux can use up to 64 Gigabytes of physical memory on x86 systems.
12583 However, the address space of 32-bit x86 processors is only 4
12584 @@ -1168,6 +1171,7 @@ config NOHIGHMEM
12585
12586 config HIGHMEM4G
12587 bool "4GB"
12588 + depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE)
12589 ---help---
12590 Select this if you have a 32-bit processor and between 1 and 4
12591 gigabytes of physical RAM.
12592 @@ -1220,7 +1224,7 @@ config PAGE_OFFSET
12593 hex
12594 default 0xB0000000 if VMSPLIT_3G_OPT
12595 default 0x80000000 if VMSPLIT_2G
12596 - default 0x78000000 if VMSPLIT_2G_OPT
12597 + default 0x70000000 if VMSPLIT_2G_OPT
12598 default 0x40000000 if VMSPLIT_1G
12599 default 0xC0000000
12600 depends on X86_32
12601 @@ -1635,6 +1639,7 @@ source kernel/Kconfig.hz
12602
12603 config KEXEC
12604 bool "kexec system call"
12605 + depends on !GRKERNSEC_KMEM
12606 ---help---
12607 kexec is a system call that implements the ability to shutdown your
12608 current kernel, and to start another kernel. It is like a reboot
12609 @@ -1820,7 +1825,9 @@ config X86_NEED_RELOCS
12610
12611 config PHYSICAL_ALIGN
12612 hex "Alignment value to which kernel should be aligned"
12613 - default "0x200000"
12614 + default "0x1000000"
12615 + range 0x200000 0x1000000 if PAX_KERNEXEC && X86_PAE
12616 + range 0x400000 0x1000000 if PAX_KERNEXEC && !X86_PAE
12617 range 0x2000 0x1000000 if X86_32
12618 range 0x200000 0x1000000 if X86_64
12619 ---help---
12620 @@ -1903,6 +1910,7 @@ config COMPAT_VDSO
12621 def_bool n
12622 prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)"
12623 depends on X86_32 || IA32_EMULATION
12624 + depends on !PAX_PAGEEXEC && !PAX_SEGMEXEC && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF
12625 ---help---
12626 Certain buggy versions of glibc will crash if they are
12627 presented with a 32-bit vDSO that is not mapped at the address
12628 diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
12629 index 6983314..54ad7e8 100644
12630 --- a/arch/x86/Kconfig.cpu
12631 +++ b/arch/x86/Kconfig.cpu
12632 @@ -319,7 +319,7 @@ config X86_PPRO_FENCE
12633
12634 config X86_F00F_BUG
12635 def_bool y
12636 - depends on M586MMX || M586TSC || M586 || M486
12637 + depends on (M586MMX || M586TSC || M586 || M486) && !PAX_KERNEXEC
12638
12639 config X86_INVD_BUG
12640 def_bool y
12641 @@ -327,7 +327,7 @@ config X86_INVD_BUG
12642
12643 config X86_ALIGNMENT_16
12644 def_bool y
12645 - depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
12646 + depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
12647
12648 config X86_INTEL_USERCOPY
12649 def_bool y
12650 @@ -369,7 +369,7 @@ config X86_CMPXCHG64
12651 # generates cmov.
12652 config X86_CMOV
12653 def_bool y
12654 - depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
12655 + depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX)
12656
12657 config X86_MINIMUM_CPU_FAMILY
12658 int
12659 diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
12660 index 61bd2ad..50b625d 100644
12661 --- a/arch/x86/Kconfig.debug
12662 +++ b/arch/x86/Kconfig.debug
12663 @@ -93,7 +93,7 @@ config EFI_PGT_DUMP
12664 config DEBUG_RODATA
12665 bool "Write protect kernel read-only data structures"
12666 default y
12667 - depends on DEBUG_KERNEL
12668 + depends on DEBUG_KERNEL && BROKEN
12669 ---help---
12670 Mark the kernel read-only data as write-protected in the pagetables,
12671 in order to catch accidental (and incorrect) writes to such const
12672 @@ -111,7 +111,7 @@ config DEBUG_RODATA_TEST
12673
12674 config DEBUG_SET_MODULE_RONX
12675 bool "Set loadable kernel module data as NX and text as RO"
12676 - depends on MODULES
12677 + depends on MODULES && BROKEN
12678 ---help---
12679 This option helps catch unintended modifications to loadable
12680 kernel module's text and read-only data. It also prevents execution
12681 diff --git a/arch/x86/Makefile b/arch/x86/Makefile
12682 index 920e616..ac3d4df 100644
12683 --- a/arch/x86/Makefile
12684 +++ b/arch/x86/Makefile
12685 @@ -65,9 +65,6 @@ ifeq ($(CONFIG_X86_32),y)
12686 # CPU-specific tuning. Anything which can be shared with UML should go here.
12687 include $(srctree)/arch/x86/Makefile_32.cpu
12688 KBUILD_CFLAGS += $(cflags-y)
12689 -
12690 - # temporary until string.h is fixed
12691 - KBUILD_CFLAGS += -ffreestanding
12692 else
12693 BITS := 64
12694 UTS_MACHINE := x86_64
12695 @@ -107,6 +104,9 @@ else
12696 KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args)
12697 endif
12698
12699 +# temporary until string.h is fixed
12700 +KBUILD_CFLAGS += -ffreestanding
12701 +
12702 # Make sure compiler does not have buggy stack-protector support.
12703 ifdef CONFIG_CC_STACKPROTECTOR
12704 cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
12705 @@ -180,6 +180,7 @@ archheaders:
12706 $(Q)$(MAKE) $(build)=arch/x86/syscalls all
12707
12708 archprepare:
12709 + $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD)))
12710 ifeq ($(CONFIG_KEXEC_FILE),y)
12711 $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c
12712 endif
12713 @@ -263,3 +264,9 @@ define archhelp
12714 echo ' FDARGS="..." arguments for the booted kernel'
12715 echo ' FDINITRD=file initrd for the booted kernel'
12716 endef
12717 +
12718 +define OLD_LD
12719 +
12720 +*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils.
12721 +*** Please upgrade your binutils to 2.18 or newer
12722 +endef
12723 diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
12724 index 3db07f3..9d81d0f 100644
12725 --- a/arch/x86/boot/Makefile
12726 +++ b/arch/x86/boot/Makefile
12727 @@ -56,6 +56,9 @@ clean-files += cpustr.h
12728 # ---------------------------------------------------------------------------
12729
12730 KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
12731 +ifdef CONSTIFY_PLUGIN
12732 +KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
12733 +endif
12734 KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
12735 GCOV_PROFILE := n
12736
12737 diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h
12738 index 878e4b9..20537ab 100644
12739 --- a/arch/x86/boot/bitops.h
12740 +++ b/arch/x86/boot/bitops.h
12741 @@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr)
12742 u8 v;
12743 const u32 *p = (const u32 *)addr;
12744
12745 - asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
12746 + asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
12747 return v;
12748 }
12749
12750 @@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr)
12751
12752 static inline void set_bit(int nr, void *addr)
12753 {
12754 - asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
12755 + asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
12756 }
12757
12758 #endif /* BOOT_BITOPS_H */
12759 diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
12760 index bd49ec6..94c7f58 100644
12761 --- a/arch/x86/boot/boot.h
12762 +++ b/arch/x86/boot/boot.h
12763 @@ -84,7 +84,7 @@ static inline void io_delay(void)
12764 static inline u16 ds(void)
12765 {
12766 u16 seg;
12767 - asm("movw %%ds,%0" : "=rm" (seg));
12768 + asm volatile("movw %%ds,%0" : "=rm" (seg));
12769 return seg;
12770 }
12771
12772 diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
12773 index 45abc36..97bea2d 100644
12774 --- a/arch/x86/boot/compressed/Makefile
12775 +++ b/arch/x86/boot/compressed/Makefile
12776 @@ -16,6 +16,9 @@ KBUILD_CFLAGS += $(cflags-y)
12777 KBUILD_CFLAGS += -mno-mmx -mno-sse
12778 KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
12779 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
12780 +ifdef CONSTIFY_PLUGIN
12781 +KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
12782 +endif
12783
12784 KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
12785 GCOV_PROFILE := n
12786 diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S
12787 index a53440e..c3dbf1e 100644
12788 --- a/arch/x86/boot/compressed/efi_stub_32.S
12789 +++ b/arch/x86/boot/compressed/efi_stub_32.S
12790 @@ -46,16 +46,13 @@ ENTRY(efi_call_phys)
12791 * parameter 2, ..., param n. To make things easy, we save the return
12792 * address of efi_call_phys in a global variable.
12793 */
12794 - popl %ecx
12795 - movl %ecx, saved_return_addr(%edx)
12796 - /* get the function pointer into ECX*/
12797 - popl %ecx
12798 - movl %ecx, efi_rt_function_ptr(%edx)
12799 + popl saved_return_addr(%edx)
12800 + popl efi_rt_function_ptr(%edx)
12801
12802 /*
12803 * 3. Call the physical function.
12804 */
12805 - call *%ecx
12806 + call *efi_rt_function_ptr(%edx)
12807
12808 /*
12809 * 4. Balance the stack. And because EAX contain the return value,
12810 @@ -67,15 +64,12 @@ ENTRY(efi_call_phys)
12811 1: popl %edx
12812 subl $1b, %edx
12813
12814 - movl efi_rt_function_ptr(%edx), %ecx
12815 - pushl %ecx
12816 + pushl efi_rt_function_ptr(%edx)
12817
12818 /*
12819 * 10. Push the saved return address onto the stack and return.
12820 */
12821 - movl saved_return_addr(%edx), %ecx
12822 - pushl %ecx
12823 - ret
12824 + jmpl *saved_return_addr(%edx)
12825 ENDPROC(efi_call_phys)
12826 .previous
12827
12828 diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
12829 index 1d7fbbc..36ecd58 100644
12830 --- a/arch/x86/boot/compressed/head_32.S
12831 +++ b/arch/x86/boot/compressed/head_32.S
12832 @@ -140,10 +140,10 @@ preferred_addr:
12833 addl %eax, %ebx
12834 notl %eax
12835 andl %eax, %ebx
12836 - cmpl $LOAD_PHYSICAL_ADDR, %ebx
12837 + cmpl $____LOAD_PHYSICAL_ADDR, %ebx
12838 jge 1f
12839 #endif
12840 - movl $LOAD_PHYSICAL_ADDR, %ebx
12841 + movl $____LOAD_PHYSICAL_ADDR, %ebx
12842 1:
12843
12844 /* Target address to relocate to for decompression */
12845 diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
12846 index 6b1766c..ad465c9 100644
12847 --- a/arch/x86/boot/compressed/head_64.S
12848 +++ b/arch/x86/boot/compressed/head_64.S
12849 @@ -94,10 +94,10 @@ ENTRY(startup_32)
12850 addl %eax, %ebx
12851 notl %eax
12852 andl %eax, %ebx
12853 - cmpl $LOAD_PHYSICAL_ADDR, %ebx
12854 + cmpl $____LOAD_PHYSICAL_ADDR, %ebx
12855 jge 1f
12856 #endif
12857 - movl $LOAD_PHYSICAL_ADDR, %ebx
12858 + movl $____LOAD_PHYSICAL_ADDR, %ebx
12859 1:
12860
12861 /* Target address to relocate to for decompression */
12862 @@ -322,10 +322,10 @@ preferred_addr:
12863 addq %rax, %rbp
12864 notq %rax
12865 andq %rax, %rbp
12866 - cmpq $LOAD_PHYSICAL_ADDR, %rbp
12867 + cmpq $____LOAD_PHYSICAL_ADDR, %rbp
12868 jge 1f
12869 #endif
12870 - movq $LOAD_PHYSICAL_ADDR, %rbp
12871 + movq $____LOAD_PHYSICAL_ADDR, %rbp
12872 1:
12873
12874 /* Target address to relocate to for decompression */
12875 @@ -434,8 +434,8 @@ gdt:
12876 .long gdt
12877 .word 0
12878 .quad 0x0000000000000000 /* NULL descriptor */
12879 - .quad 0x00af9a000000ffff /* __KERNEL_CS */
12880 - .quad 0x00cf92000000ffff /* __KERNEL_DS */
12881 + .quad 0x00af9b000000ffff /* __KERNEL_CS */
12882 + .quad 0x00cf93000000ffff /* __KERNEL_DS */
12883 .quad 0x0080890000000000 /* TS descriptor */
12884 .quad 0x0000000000000000 /* TS continued */
12885 gdt_end:
12886 diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
12887 index 0c33a7c..be226ed 100644
12888 --- a/arch/x86/boot/compressed/misc.c
12889 +++ b/arch/x86/boot/compressed/misc.c
12890 @@ -242,7 +242,7 @@ static void handle_relocations(void *output, unsigned long output_len)
12891 * Calculate the delta between where vmlinux was linked to load
12892 * and where it was actually loaded.
12893 */
12894 - delta = min_addr - LOAD_PHYSICAL_ADDR;
12895 + delta = min_addr - ____LOAD_PHYSICAL_ADDR;
12896 if (!delta) {
12897 debug_putstr("No relocation needed... ");
12898 return;
12899 @@ -312,7 +312,7 @@ static void parse_elf(void *output)
12900 Elf32_Ehdr ehdr;
12901 Elf32_Phdr *phdrs, *phdr;
12902 #endif
12903 - void *dest;
12904 + void *dest, *prev;
12905 int i;
12906
12907 memcpy(&ehdr, output, sizeof(ehdr));
12908 @@ -339,13 +339,16 @@ static void parse_elf(void *output)
12909 case PT_LOAD:
12910 #ifdef CONFIG_RELOCATABLE
12911 dest = output;
12912 - dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);
12913 + dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR);
12914 #else
12915 dest = (void *)(phdr->p_paddr);
12916 #endif
12917 memcpy(dest,
12918 output + phdr->p_offset,
12919 phdr->p_filesz);
12920 + if (i)
12921 + memset(prev, 0xff, dest - prev);
12922 + prev = dest + phdr->p_filesz;
12923 break;
12924 default: /* Ignore other PT_* */ break;
12925 }
12926 @@ -404,7 +407,7 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap,
12927 error("Destination address too large");
12928 #endif
12929 #ifndef CONFIG_RELOCATABLE
12930 - if ((unsigned long)output != LOAD_PHYSICAL_ADDR)
12931 + if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR)
12932 error("Wrong destination address");
12933 #endif
12934
12935 diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
12936 index 1fd7d57..0f7d096 100644
12937 --- a/arch/x86/boot/cpucheck.c
12938 +++ b/arch/x86/boot/cpucheck.c
12939 @@ -125,9 +125,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
12940 u32 ecx = MSR_K7_HWCR;
12941 u32 eax, edx;
12942
12943 - asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12944 + asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12945 eax &= ~(1 << 15);
12946 - asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12947 + asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12948
12949 get_cpuflags(); /* Make sure it really did something */
12950 err = check_cpuflags();
12951 @@ -140,9 +140,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
12952 u32 ecx = MSR_VIA_FCR;
12953 u32 eax, edx;
12954
12955 - asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12956 + asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12957 eax |= (1<<1)|(1<<7);
12958 - asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12959 + asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12960
12961 set_bit(X86_FEATURE_CX8, cpu.flags);
12962 err = check_cpuflags();
12963 @@ -153,12 +153,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
12964 u32 eax, edx;
12965 u32 level = 1;
12966
12967 - asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12968 - asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
12969 - asm("cpuid"
12970 + asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
12971 + asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
12972 + asm volatile("cpuid"
12973 : "+a" (level), "=d" (cpu.flags[0])
12974 : : "ecx", "ebx");
12975 - asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12976 + asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
12977
12978 err = check_cpuflags();
12979 } else if (err == 0x01 &&
12980 diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
12981 index 16ef025..91e033b 100644
12982 --- a/arch/x86/boot/header.S
12983 +++ b/arch/x86/boot/header.S
12984 @@ -438,10 +438,14 @@ setup_data: .quad 0 # 64-bit physical pointer to
12985 # single linked list of
12986 # struct setup_data
12987
12988 -pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr
12989 +pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr
12990
12991 #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset)
12992 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
12993 +#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR)
12994 +#else
12995 #define VO_INIT_SIZE (VO__end - VO__text)
12996 +#endif
12997 #if ZO_INIT_SIZE > VO_INIT_SIZE
12998 #define INIT_SIZE ZO_INIT_SIZE
12999 #else
13000 diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
13001 index db75d07..8e6d0af 100644
13002 --- a/arch/x86/boot/memory.c
13003 +++ b/arch/x86/boot/memory.c
13004 @@ -19,7 +19,7 @@
13005
13006 static int detect_memory_e820(void)
13007 {
13008 - int count = 0;
13009 + unsigned int count = 0;
13010 struct biosregs ireg, oreg;
13011 struct e820entry *desc = boot_params.e820_map;
13012 static struct e820entry buf; /* static so it is zeroed */
13013 diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
13014 index ba3e100..6501b8f 100644
13015 --- a/arch/x86/boot/video-vesa.c
13016 +++ b/arch/x86/boot/video-vesa.c
13017 @@ -201,6 +201,7 @@ static void vesa_store_pm_info(void)
13018
13019 boot_params.screen_info.vesapm_seg = oreg.es;
13020 boot_params.screen_info.vesapm_off = oreg.di;
13021 + boot_params.screen_info.vesapm_size = oreg.cx;
13022 }
13023
13024 /*
13025 diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
13026 index 43eda28..5ab5fdb 100644
13027 --- a/arch/x86/boot/video.c
13028 +++ b/arch/x86/boot/video.c
13029 @@ -96,7 +96,7 @@ static void store_mode_params(void)
13030 static unsigned int get_entry(void)
13031 {
13032 char entry_buf[4];
13033 - int i, len = 0;
13034 + unsigned int i, len = 0;
13035 int key;
13036 unsigned int v;
13037
13038 diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S
13039 index 9105655..41779c1 100644
13040 --- a/arch/x86/crypto/aes-x86_64-asm_64.S
13041 +++ b/arch/x86/crypto/aes-x86_64-asm_64.S
13042 @@ -8,6 +8,8 @@
13043 * including this sentence is retained in full.
13044 */
13045
13046 +#include <asm/alternative-asm.h>
13047 +
13048 .extern crypto_ft_tab
13049 .extern crypto_it_tab
13050 .extern crypto_fl_tab
13051 @@ -70,6 +72,8 @@
13052 je B192; \
13053 leaq 32(r9),r9;
13054
13055 +#define ret pax_force_retaddr; ret
13056 +
13057 #define epilogue(FUNC,r1,r2,r3,r4,r5,r6,r7,r8,r9) \
13058 movq r1,r2; \
13059 movq r3,r4; \
13060 diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
13061 index 477e9d7..c92c7d8 100644
13062 --- a/arch/x86/crypto/aesni-intel_asm.S
13063 +++ b/arch/x86/crypto/aesni-intel_asm.S
13064 @@ -31,6 +31,7 @@
13065
13066 #include <linux/linkage.h>
13067 #include <asm/inst.h>
13068 +#include <asm/alternative-asm.h>
13069
13070 #ifdef __x86_64__
13071 .data
13072 @@ -205,7 +206,7 @@ enc: .octa 0x2
13073 * num_initial_blocks = b mod 4
13074 * encrypt the initial num_initial_blocks blocks and apply ghash on
13075 * the ciphertext
13076 -* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
13077 +* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
13078 * are clobbered
13079 * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified
13080 */
13081 @@ -214,8 +215,8 @@ enc: .octa 0x2
13082 .macro INITIAL_BLOCKS_DEC num_initial_blocks TMP1 TMP2 TMP3 TMP4 TMP5 XMM0 XMM1 \
13083 XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
13084 mov arg7, %r10 # %r10 = AAD
13085 - mov arg8, %r12 # %r12 = aadLen
13086 - mov %r12, %r11
13087 + mov arg8, %r15 # %r15 = aadLen
13088 + mov %r15, %r11
13089 pxor %xmm\i, %xmm\i
13090 _get_AAD_loop\num_initial_blocks\operation:
13091 movd (%r10), \TMP1
13092 @@ -223,15 +224,15 @@ _get_AAD_loop\num_initial_blocks\operation:
13093 psrldq $4, %xmm\i
13094 pxor \TMP1, %xmm\i
13095 add $4, %r10
13096 - sub $4, %r12
13097 + sub $4, %r15
13098 jne _get_AAD_loop\num_initial_blocks\operation
13099 cmp $16, %r11
13100 je _get_AAD_loop2_done\num_initial_blocks\operation
13101 - mov $16, %r12
13102 + mov $16, %r15
13103 _get_AAD_loop2\num_initial_blocks\operation:
13104 psrldq $4, %xmm\i
13105 - sub $4, %r12
13106 - cmp %r11, %r12
13107 + sub $4, %r15
13108 + cmp %r11, %r15
13109 jne _get_AAD_loop2\num_initial_blocks\operation
13110 _get_AAD_loop2_done\num_initial_blocks\operation:
13111 movdqa SHUF_MASK(%rip), %xmm14
13112 @@ -443,7 +444,7 @@ _initial_blocks_done\num_initial_blocks\operation:
13113 * num_initial_blocks = b mod 4
13114 * encrypt the initial num_initial_blocks blocks and apply ghash on
13115 * the ciphertext
13116 -* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
13117 +* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
13118 * are clobbered
13119 * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified
13120 */
13121 @@ -452,8 +453,8 @@ _initial_blocks_done\num_initial_blocks\operation:
13122 .macro INITIAL_BLOCKS_ENC num_initial_blocks TMP1 TMP2 TMP3 TMP4 TMP5 XMM0 XMM1 \
13123 XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
13124 mov arg7, %r10 # %r10 = AAD
13125 - mov arg8, %r12 # %r12 = aadLen
13126 - mov %r12, %r11
13127 + mov arg8, %r15 # %r15 = aadLen
13128 + mov %r15, %r11
13129 pxor %xmm\i, %xmm\i
13130 _get_AAD_loop\num_initial_blocks\operation:
13131 movd (%r10), \TMP1
13132 @@ -461,15 +462,15 @@ _get_AAD_loop\num_initial_blocks\operation:
13133 psrldq $4, %xmm\i
13134 pxor \TMP1, %xmm\i
13135 add $4, %r10
13136 - sub $4, %r12
13137 + sub $4, %r15
13138 jne _get_AAD_loop\num_initial_blocks\operation
13139 cmp $16, %r11
13140 je _get_AAD_loop2_done\num_initial_blocks\operation
13141 - mov $16, %r12
13142 + mov $16, %r15
13143 _get_AAD_loop2\num_initial_blocks\operation:
13144 psrldq $4, %xmm\i
13145 - sub $4, %r12
13146 - cmp %r11, %r12
13147 + sub $4, %r15
13148 + cmp %r11, %r15
13149 jne _get_AAD_loop2\num_initial_blocks\operation
13150 _get_AAD_loop2_done\num_initial_blocks\operation:
13151 movdqa SHUF_MASK(%rip), %xmm14
13152 @@ -1269,7 +1270,7 @@ TMP7 XMM1 XMM2 XMM3 XMM4 XMMDst
13153 *
13154 *****************************************************************************/
13155 ENTRY(aesni_gcm_dec)
13156 - push %r12
13157 + push %r15
13158 push %r13
13159 push %r14
13160 mov %rsp, %r14
13161 @@ -1279,8 +1280,8 @@ ENTRY(aesni_gcm_dec)
13162 */
13163 sub $VARIABLE_OFFSET, %rsp
13164 and $~63, %rsp # align rsp to 64 bytes
13165 - mov %arg6, %r12
13166 - movdqu (%r12), %xmm13 # %xmm13 = HashKey
13167 + mov %arg6, %r15
13168 + movdqu (%r15), %xmm13 # %xmm13 = HashKey
13169 movdqa SHUF_MASK(%rip), %xmm2
13170 PSHUFB_XMM %xmm2, %xmm13
13171
13172 @@ -1308,10 +1309,10 @@ ENTRY(aesni_gcm_dec)
13173 movdqa %xmm13, HashKey(%rsp) # store HashKey<<1 (mod poly)
13174 mov %arg4, %r13 # save the number of bytes of plaintext/ciphertext
13175 and $-16, %r13 # %r13 = %r13 - (%r13 mod 16)
13176 - mov %r13, %r12
13177 - and $(3<<4), %r12
13178 + mov %r13, %r15
13179 + and $(3<<4), %r15
13180 jz _initial_num_blocks_is_0_decrypt
13181 - cmp $(2<<4), %r12
13182 + cmp $(2<<4), %r15
13183 jb _initial_num_blocks_is_1_decrypt
13184 je _initial_num_blocks_is_2_decrypt
13185 _initial_num_blocks_is_3_decrypt:
13186 @@ -1361,16 +1362,16 @@ _zero_cipher_left_decrypt:
13187 sub $16, %r11
13188 add %r13, %r11
13189 movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte block
13190 - lea SHIFT_MASK+16(%rip), %r12
13191 - sub %r13, %r12
13192 + lea SHIFT_MASK+16(%rip), %r15
13193 + sub %r13, %r15
13194 # adjust the shuffle mask pointer to be able to shift 16-%r13 bytes
13195 # (%r13 is the number of bytes in plaintext mod 16)
13196 - movdqu (%r12), %xmm2 # get the appropriate shuffle mask
13197 + movdqu (%r15), %xmm2 # get the appropriate shuffle mask
13198 PSHUFB_XMM %xmm2, %xmm1 # right shift 16-%r13 butes
13199
13200 movdqa %xmm1, %xmm2
13201 pxor %xmm1, %xmm0 # Ciphertext XOR E(K, Yn)
13202 - movdqu ALL_F-SHIFT_MASK(%r12), %xmm1
13203 + movdqu ALL_F-SHIFT_MASK(%r15), %xmm1
13204 # get the appropriate mask to mask out top 16-%r13 bytes of %xmm0
13205 pand %xmm1, %xmm0 # mask out top 16-%r13 bytes of %xmm0
13206 pand %xmm1, %xmm2
13207 @@ -1399,9 +1400,9 @@ _less_than_8_bytes_left_decrypt:
13208 sub $1, %r13
13209 jne _less_than_8_bytes_left_decrypt
13210 _multiple_of_16_bytes_decrypt:
13211 - mov arg8, %r12 # %r13 = aadLen (number of bytes)
13212 - shl $3, %r12 # convert into number of bits
13213 - movd %r12d, %xmm15 # len(A) in %xmm15
13214 + mov arg8, %r15 # %r13 = aadLen (number of bytes)
13215 + shl $3, %r15 # convert into number of bits
13216 + movd %r15d, %xmm15 # len(A) in %xmm15
13217 shl $3, %arg4 # len(C) in bits (*128)
13218 MOVQ_R64_XMM %arg4, %xmm1
13219 pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000
13220 @@ -1440,7 +1441,8 @@ _return_T_done_decrypt:
13221 mov %r14, %rsp
13222 pop %r14
13223 pop %r13
13224 - pop %r12
13225 + pop %r15
13226 + pax_force_retaddr
13227 ret
13228 ENDPROC(aesni_gcm_dec)
13229
13230 @@ -1529,7 +1531,7 @@ ENDPROC(aesni_gcm_dec)
13231 * poly = x^128 + x^127 + x^126 + x^121 + 1
13232 ***************************************************************************/
13233 ENTRY(aesni_gcm_enc)
13234 - push %r12
13235 + push %r15
13236 push %r13
13237 push %r14
13238 mov %rsp, %r14
13239 @@ -1539,8 +1541,8 @@ ENTRY(aesni_gcm_enc)
13240 #
13241 sub $VARIABLE_OFFSET, %rsp
13242 and $~63, %rsp
13243 - mov %arg6, %r12
13244 - movdqu (%r12), %xmm13
13245 + mov %arg6, %r15
13246 + movdqu (%r15), %xmm13
13247 movdqa SHUF_MASK(%rip), %xmm2
13248 PSHUFB_XMM %xmm2, %xmm13
13249
13250 @@ -1564,13 +1566,13 @@ ENTRY(aesni_gcm_enc)
13251 movdqa %xmm13, HashKey(%rsp)
13252 mov %arg4, %r13 # %xmm13 holds HashKey<<1 (mod poly)
13253 and $-16, %r13
13254 - mov %r13, %r12
13255 + mov %r13, %r15
13256
13257 # Encrypt first few blocks
13258
13259 - and $(3<<4), %r12
13260 + and $(3<<4), %r15
13261 jz _initial_num_blocks_is_0_encrypt
13262 - cmp $(2<<4), %r12
13263 + cmp $(2<<4), %r15
13264 jb _initial_num_blocks_is_1_encrypt
13265 je _initial_num_blocks_is_2_encrypt
13266 _initial_num_blocks_is_3_encrypt:
13267 @@ -1623,14 +1625,14 @@ _zero_cipher_left_encrypt:
13268 sub $16, %r11
13269 add %r13, %r11
13270 movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte blocks
13271 - lea SHIFT_MASK+16(%rip), %r12
13272 - sub %r13, %r12
13273 + lea SHIFT_MASK+16(%rip), %r15
13274 + sub %r13, %r15
13275 # adjust the shuffle mask pointer to be able to shift 16-r13 bytes
13276 # (%r13 is the number of bytes in plaintext mod 16)
13277 - movdqu (%r12), %xmm2 # get the appropriate shuffle mask
13278 + movdqu (%r15), %xmm2 # get the appropriate shuffle mask
13279 PSHUFB_XMM %xmm2, %xmm1 # shift right 16-r13 byte
13280 pxor %xmm1, %xmm0 # Plaintext XOR Encrypt(K, Yn)
13281 - movdqu ALL_F-SHIFT_MASK(%r12), %xmm1
13282 + movdqu ALL_F-SHIFT_MASK(%r15), %xmm1
13283 # get the appropriate mask to mask out top 16-r13 bytes of xmm0
13284 pand %xmm1, %xmm0 # mask out top 16-r13 bytes of xmm0
13285 movdqa SHUF_MASK(%rip), %xmm10
13286 @@ -1663,9 +1665,9 @@ _less_than_8_bytes_left_encrypt:
13287 sub $1, %r13
13288 jne _less_than_8_bytes_left_encrypt
13289 _multiple_of_16_bytes_encrypt:
13290 - mov arg8, %r12 # %r12 = addLen (number of bytes)
13291 - shl $3, %r12
13292 - movd %r12d, %xmm15 # len(A) in %xmm15
13293 + mov arg8, %r15 # %r15 = addLen (number of bytes)
13294 + shl $3, %r15
13295 + movd %r15d, %xmm15 # len(A) in %xmm15
13296 shl $3, %arg4 # len(C) in bits (*128)
13297 MOVQ_R64_XMM %arg4, %xmm1
13298 pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000
13299 @@ -1704,7 +1706,8 @@ _return_T_done_encrypt:
13300 mov %r14, %rsp
13301 pop %r14
13302 pop %r13
13303 - pop %r12
13304 + pop %r15
13305 + pax_force_retaddr
13306 ret
13307 ENDPROC(aesni_gcm_enc)
13308
13309 @@ -1722,6 +1725,7 @@ _key_expansion_256a:
13310 pxor %xmm1, %xmm0
13311 movaps %xmm0, (TKEYP)
13312 add $0x10, TKEYP
13313 + pax_force_retaddr
13314 ret
13315 ENDPROC(_key_expansion_128)
13316 ENDPROC(_key_expansion_256a)
13317 @@ -1748,6 +1752,7 @@ _key_expansion_192a:
13318 shufps $0b01001110, %xmm2, %xmm1
13319 movaps %xmm1, 0x10(TKEYP)
13320 add $0x20, TKEYP
13321 + pax_force_retaddr
13322 ret
13323 ENDPROC(_key_expansion_192a)
13324
13325 @@ -1768,6 +1773,7 @@ _key_expansion_192b:
13326
13327 movaps %xmm0, (TKEYP)
13328 add $0x10, TKEYP
13329 + pax_force_retaddr
13330 ret
13331 ENDPROC(_key_expansion_192b)
13332
13333 @@ -1781,6 +1787,7 @@ _key_expansion_256b:
13334 pxor %xmm1, %xmm2
13335 movaps %xmm2, (TKEYP)
13336 add $0x10, TKEYP
13337 + pax_force_retaddr
13338 ret
13339 ENDPROC(_key_expansion_256b)
13340
13341 @@ -1894,6 +1901,7 @@ ENTRY(aesni_set_key)
13342 #ifndef __x86_64__
13343 popl KEYP
13344 #endif
13345 + pax_force_retaddr
13346 ret
13347 ENDPROC(aesni_set_key)
13348
13349 @@ -1916,6 +1924,7 @@ ENTRY(aesni_enc)
13350 popl KLEN
13351 popl KEYP
13352 #endif
13353 + pax_force_retaddr
13354 ret
13355 ENDPROC(aesni_enc)
13356
13357 @@ -1974,6 +1983,7 @@ _aesni_enc1:
13358 AESENC KEY STATE
13359 movaps 0x70(TKEYP), KEY
13360 AESENCLAST KEY STATE
13361 + pax_force_retaddr
13362 ret
13363 ENDPROC(_aesni_enc1)
13364
13365 @@ -2083,6 +2093,7 @@ _aesni_enc4:
13366 AESENCLAST KEY STATE2
13367 AESENCLAST KEY STATE3
13368 AESENCLAST KEY STATE4
13369 + pax_force_retaddr
13370 ret
13371 ENDPROC(_aesni_enc4)
13372
13373 @@ -2106,6 +2117,7 @@ ENTRY(aesni_dec)
13374 popl KLEN
13375 popl KEYP
13376 #endif
13377 + pax_force_retaddr
13378 ret
13379 ENDPROC(aesni_dec)
13380
13381 @@ -2164,6 +2176,7 @@ _aesni_dec1:
13382 AESDEC KEY STATE
13383 movaps 0x70(TKEYP), KEY
13384 AESDECLAST KEY STATE
13385 + pax_force_retaddr
13386 ret
13387 ENDPROC(_aesni_dec1)
13388
13389 @@ -2273,6 +2286,7 @@ _aesni_dec4:
13390 AESDECLAST KEY STATE2
13391 AESDECLAST KEY STATE3
13392 AESDECLAST KEY STATE4
13393 + pax_force_retaddr
13394 ret
13395 ENDPROC(_aesni_dec4)
13396
13397 @@ -2331,6 +2345,7 @@ ENTRY(aesni_ecb_enc)
13398 popl KEYP
13399 popl LEN
13400 #endif
13401 + pax_force_retaddr
13402 ret
13403 ENDPROC(aesni_ecb_enc)
13404
13405 @@ -2390,6 +2405,7 @@ ENTRY(aesni_ecb_dec)
13406 popl KEYP
13407 popl LEN
13408 #endif
13409 + pax_force_retaddr
13410 ret
13411 ENDPROC(aesni_ecb_dec)
13412
13413 @@ -2432,6 +2448,7 @@ ENTRY(aesni_cbc_enc)
13414 popl LEN
13415 popl IVP
13416 #endif
13417 + pax_force_retaddr
13418 ret
13419 ENDPROC(aesni_cbc_enc)
13420
13421 @@ -2523,6 +2540,7 @@ ENTRY(aesni_cbc_dec)
13422 popl LEN
13423 popl IVP
13424 #endif
13425 + pax_force_retaddr
13426 ret
13427 ENDPROC(aesni_cbc_dec)
13428
13429 @@ -2550,6 +2568,7 @@ _aesni_inc_init:
13430 mov $1, TCTR_LOW
13431 MOVQ_R64_XMM TCTR_LOW INC
13432 MOVQ_R64_XMM CTR TCTR_LOW
13433 + pax_force_retaddr
13434 ret
13435 ENDPROC(_aesni_inc_init)
13436
13437 @@ -2579,6 +2598,7 @@ _aesni_inc:
13438 .Linc_low:
13439 movaps CTR, IV
13440 PSHUFB_XMM BSWAP_MASK IV
13441 + pax_force_retaddr
13442 ret
13443 ENDPROC(_aesni_inc)
13444
13445 @@ -2640,6 +2660,7 @@ ENTRY(aesni_ctr_enc)
13446 .Lctr_enc_ret:
13447 movups IV, (IVP)
13448 .Lctr_enc_just_ret:
13449 + pax_force_retaddr
13450 ret
13451 ENDPROC(aesni_ctr_enc)
13452
13453 @@ -2766,6 +2787,7 @@ ENTRY(aesni_xts_crypt8)
13454 pxor INC, STATE4
13455 movdqu STATE4, 0x70(OUTP)
13456
13457 + pax_force_retaddr
13458 ret
13459 ENDPROC(aesni_xts_crypt8)
13460
13461 diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S
13462 index 246c670..466e2d6 100644
13463 --- a/arch/x86/crypto/blowfish-x86_64-asm_64.S
13464 +++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S
13465 @@ -21,6 +21,7 @@
13466 */
13467
13468 #include <linux/linkage.h>
13469 +#include <asm/alternative-asm.h>
13470
13471 .file "blowfish-x86_64-asm.S"
13472 .text
13473 @@ -149,9 +150,11 @@ ENTRY(__blowfish_enc_blk)
13474 jnz .L__enc_xor;
13475
13476 write_block();
13477 + pax_force_retaddr
13478 ret;
13479 .L__enc_xor:
13480 xor_block();
13481 + pax_force_retaddr
13482 ret;
13483 ENDPROC(__blowfish_enc_blk)
13484
13485 @@ -183,6 +186,7 @@ ENTRY(blowfish_dec_blk)
13486
13487 movq %r11, %rbp;
13488
13489 + pax_force_retaddr
13490 ret;
13491 ENDPROC(blowfish_dec_blk)
13492
13493 @@ -334,6 +338,7 @@ ENTRY(__blowfish_enc_blk_4way)
13494
13495 popq %rbx;
13496 popq %rbp;
13497 + pax_force_retaddr
13498 ret;
13499
13500 .L__enc_xor4:
13501 @@ -341,6 +346,7 @@ ENTRY(__blowfish_enc_blk_4way)
13502
13503 popq %rbx;
13504 popq %rbp;
13505 + pax_force_retaddr
13506 ret;
13507 ENDPROC(__blowfish_enc_blk_4way)
13508
13509 @@ -375,5 +381,6 @@ ENTRY(blowfish_dec_blk_4way)
13510 popq %rbx;
13511 popq %rbp;
13512
13513 + pax_force_retaddr
13514 ret;
13515 ENDPROC(blowfish_dec_blk_4way)
13516 diff --git a/arch/x86/crypto/camellia-aesni-avx-asm_64.S b/arch/x86/crypto/camellia-aesni-avx-asm_64.S
13517 index ce71f92..1dce7ec 100644
13518 --- a/arch/x86/crypto/camellia-aesni-avx-asm_64.S
13519 +++ b/arch/x86/crypto/camellia-aesni-avx-asm_64.S
13520 @@ -16,6 +16,7 @@
13521 */
13522
13523 #include <linux/linkage.h>
13524 +#include <asm/alternative-asm.h>
13525
13526 #define CAMELLIA_TABLE_BYTE_LEN 272
13527
13528 @@ -191,6 +192,7 @@ roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd:
13529 roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7,
13530 %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15,
13531 %rcx, (%r9));
13532 + pax_force_retaddr
13533 ret;
13534 ENDPROC(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd)
13535
13536 @@ -199,6 +201,7 @@ roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab:
13537 roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3,
13538 %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11,
13539 %rax, (%r9));
13540 + pax_force_retaddr
13541 ret;
13542 ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab)
13543
13544 @@ -780,6 +783,7 @@ __camellia_enc_blk16:
13545 %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14,
13546 %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax));
13547
13548 + pax_force_retaddr
13549 ret;
13550
13551 .align 8
13552 @@ -865,6 +869,7 @@ __camellia_dec_blk16:
13553 %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14,
13554 %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax));
13555
13556 + pax_force_retaddr
13557 ret;
13558
13559 .align 8
13560 @@ -904,6 +909,7 @@ ENTRY(camellia_ecb_enc_16way)
13561 %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
13562 %xmm8, %rsi);
13563
13564 + pax_force_retaddr
13565 ret;
13566 ENDPROC(camellia_ecb_enc_16way)
13567
13568 @@ -932,6 +938,7 @@ ENTRY(camellia_ecb_dec_16way)
13569 %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
13570 %xmm8, %rsi);
13571
13572 + pax_force_retaddr
13573 ret;
13574 ENDPROC(camellia_ecb_dec_16way)
13575
13576 @@ -981,6 +988,7 @@ ENTRY(camellia_cbc_dec_16way)
13577 %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
13578 %xmm8, %rsi);
13579
13580 + pax_force_retaddr
13581 ret;
13582 ENDPROC(camellia_cbc_dec_16way)
13583
13584 @@ -1092,6 +1100,7 @@ ENTRY(camellia_ctr_16way)
13585 %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
13586 %xmm8, %rsi);
13587
13588 + pax_force_retaddr
13589 ret;
13590 ENDPROC(camellia_ctr_16way)
13591
13592 @@ -1234,6 +1243,7 @@ camellia_xts_crypt_16way:
13593 %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
13594 %xmm8, %rsi);
13595
13596 + pax_force_retaddr
13597 ret;
13598 ENDPROC(camellia_xts_crypt_16way)
13599
13600 diff --git a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
13601 index 0e0b886..5a3123c 100644
13602 --- a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
13603 +++ b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
13604 @@ -11,6 +11,7 @@
13605 */
13606
13607 #include <linux/linkage.h>
13608 +#include <asm/alternative-asm.h>
13609
13610 #define CAMELLIA_TABLE_BYTE_LEN 272
13611
13612 @@ -230,6 +231,7 @@ roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd:
13613 roundsm32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7,
13614 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, %ymm15,
13615 %rcx, (%r9));
13616 + pax_force_retaddr
13617 ret;
13618 ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd)
13619
13620 @@ -238,6 +240,7 @@ roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab:
13621 roundsm32(%ymm4, %ymm5, %ymm6, %ymm7, %ymm0, %ymm1, %ymm2, %ymm3,
13622 %ymm12, %ymm13, %ymm14, %ymm15, %ymm8, %ymm9, %ymm10, %ymm11,
13623 %rax, (%r9));
13624 + pax_force_retaddr
13625 ret;
13626 ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab)
13627
13628 @@ -820,6 +823,7 @@ __camellia_enc_blk32:
13629 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
13630 %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax));
13631
13632 + pax_force_retaddr
13633 ret;
13634
13635 .align 8
13636 @@ -905,6 +909,7 @@ __camellia_dec_blk32:
13637 %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
13638 %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax));
13639
13640 + pax_force_retaddr
13641 ret;
13642
13643 .align 8
13644 @@ -948,6 +953,7 @@ ENTRY(camellia_ecb_enc_32way)
13645
13646 vzeroupper;
13647
13648 + pax_force_retaddr
13649 ret;
13650 ENDPROC(camellia_ecb_enc_32way)
13651
13652 @@ -980,6 +986,7 @@ ENTRY(camellia_ecb_dec_32way)
13653
13654 vzeroupper;
13655
13656 + pax_force_retaddr
13657 ret;
13658 ENDPROC(camellia_ecb_dec_32way)
13659
13660 @@ -1046,6 +1053,7 @@ ENTRY(camellia_cbc_dec_32way)
13661
13662 vzeroupper;
13663
13664 + pax_force_retaddr
13665 ret;
13666 ENDPROC(camellia_cbc_dec_32way)
13667
13668 @@ -1184,6 +1192,7 @@ ENTRY(camellia_ctr_32way)
13669
13670 vzeroupper;
13671
13672 + pax_force_retaddr
13673 ret;
13674 ENDPROC(camellia_ctr_32way)
13675
13676 @@ -1349,6 +1358,7 @@ camellia_xts_crypt_32way:
13677
13678 vzeroupper;
13679
13680 + pax_force_retaddr
13681 ret;
13682 ENDPROC(camellia_xts_crypt_32way)
13683
13684 diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S
13685 index 310319c..db3d7b5 100644
13686 --- a/arch/x86/crypto/camellia-x86_64-asm_64.S
13687 +++ b/arch/x86/crypto/camellia-x86_64-asm_64.S
13688 @@ -21,6 +21,7 @@
13689 */
13690
13691 #include <linux/linkage.h>
13692 +#include <asm/alternative-asm.h>
13693
13694 .file "camellia-x86_64-asm_64.S"
13695 .text
13696 @@ -228,12 +229,14 @@ ENTRY(__camellia_enc_blk)
13697 enc_outunpack(mov, RT1);
13698
13699 movq RRBP, %rbp;
13700 + pax_force_retaddr
13701 ret;
13702
13703 .L__enc_xor:
13704 enc_outunpack(xor, RT1);
13705
13706 movq RRBP, %rbp;
13707 + pax_force_retaddr
13708 ret;
13709 ENDPROC(__camellia_enc_blk)
13710
13711 @@ -272,6 +275,7 @@ ENTRY(camellia_dec_blk)
13712 dec_outunpack();
13713
13714 movq RRBP, %rbp;
13715 + pax_force_retaddr
13716 ret;
13717 ENDPROC(camellia_dec_blk)
13718
13719 @@ -463,6 +467,7 @@ ENTRY(__camellia_enc_blk_2way)
13720
13721 movq RRBP, %rbp;
13722 popq %rbx;
13723 + pax_force_retaddr
13724 ret;
13725
13726 .L__enc2_xor:
13727 @@ -470,6 +475,7 @@ ENTRY(__camellia_enc_blk_2way)
13728
13729 movq RRBP, %rbp;
13730 popq %rbx;
13731 + pax_force_retaddr
13732 ret;
13733 ENDPROC(__camellia_enc_blk_2way)
13734
13735 @@ -510,5 +516,6 @@ ENTRY(camellia_dec_blk_2way)
13736
13737 movq RRBP, %rbp;
13738 movq RXOR, %rbx;
13739 + pax_force_retaddr
13740 ret;
13741 ENDPROC(camellia_dec_blk_2way)
13742 diff --git a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S
13743 index c35fd5d..2d8c7db 100644
13744 --- a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S
13745 +++ b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S
13746 @@ -24,6 +24,7 @@
13747 */
13748
13749 #include <linux/linkage.h>
13750 +#include <asm/alternative-asm.h>
13751
13752 .file "cast5-avx-x86_64-asm_64.S"
13753
13754 @@ -281,6 +282,7 @@ __cast5_enc_blk16:
13755 outunpack_blocks(RR3, RL3, RTMP, RX, RKM);
13756 outunpack_blocks(RR4, RL4, RTMP, RX, RKM);
13757
13758 + pax_force_retaddr
13759 ret;
13760 ENDPROC(__cast5_enc_blk16)
13761
13762 @@ -352,6 +354,7 @@ __cast5_dec_blk16:
13763 outunpack_blocks(RR3, RL3, RTMP, RX, RKM);
13764 outunpack_blocks(RR4, RL4, RTMP, RX, RKM);
13765
13766 + pax_force_retaddr
13767 ret;
13768
13769 .L__skip_dec:
13770 @@ -388,6 +391,7 @@ ENTRY(cast5_ecb_enc_16way)
13771 vmovdqu RR4, (6*4*4)(%r11);
13772 vmovdqu RL4, (7*4*4)(%r11);
13773
13774 + pax_force_retaddr
13775 ret;
13776 ENDPROC(cast5_ecb_enc_16way)
13777
13778 @@ -420,6 +424,7 @@ ENTRY(cast5_ecb_dec_16way)
13779 vmovdqu RR4, (6*4*4)(%r11);
13780 vmovdqu RL4, (7*4*4)(%r11);
13781
13782 + pax_force_retaddr
13783 ret;
13784 ENDPROC(cast5_ecb_dec_16way)
13785
13786 @@ -430,10 +435,10 @@ ENTRY(cast5_cbc_dec_16way)
13787 * %rdx: src
13788 */
13789
13790 - pushq %r12;
13791 + pushq %r14;
13792
13793 movq %rsi, %r11;
13794 - movq %rdx, %r12;
13795 + movq %rdx, %r14;
13796
13797 vmovdqu (0*16)(%rdx), RL1;
13798 vmovdqu (1*16)(%rdx), RR1;
13799 @@ -447,16 +452,16 @@ ENTRY(cast5_cbc_dec_16way)
13800 call __cast5_dec_blk16;
13801
13802 /* xor with src */
13803 - vmovq (%r12), RX;
13804 + vmovq (%r14), RX;
13805 vpshufd $0x4f, RX, RX;
13806 vpxor RX, RR1, RR1;
13807 - vpxor 0*16+8(%r12), RL1, RL1;
13808 - vpxor 1*16+8(%r12), RR2, RR2;
13809 - vpxor 2*16+8(%r12), RL2, RL2;
13810 - vpxor 3*16+8(%r12), RR3, RR3;
13811 - vpxor 4*16+8(%r12), RL3, RL3;
13812 - vpxor 5*16+8(%r12), RR4, RR4;
13813 - vpxor 6*16+8(%r12), RL4, RL4;
13814 + vpxor 0*16+8(%r14), RL1, RL1;
13815 + vpxor 1*16+8(%r14), RR2, RR2;
13816 + vpxor 2*16+8(%r14), RL2, RL2;
13817 + vpxor 3*16+8(%r14), RR3, RR3;
13818 + vpxor 4*16+8(%r14), RL3, RL3;
13819 + vpxor 5*16+8(%r14), RR4, RR4;
13820 + vpxor 6*16+8(%r14), RL4, RL4;
13821
13822 vmovdqu RR1, (0*16)(%r11);
13823 vmovdqu RL1, (1*16)(%r11);
13824 @@ -467,8 +472,9 @@ ENTRY(cast5_cbc_dec_16way)
13825 vmovdqu RR4, (6*16)(%r11);
13826 vmovdqu RL4, (7*16)(%r11);
13827
13828 - popq %r12;
13829 + popq %r14;
13830
13831 + pax_force_retaddr
13832 ret;
13833 ENDPROC(cast5_cbc_dec_16way)
13834
13835 @@ -480,10 +486,10 @@ ENTRY(cast5_ctr_16way)
13836 * %rcx: iv (big endian, 64bit)
13837 */
13838
13839 - pushq %r12;
13840 + pushq %r14;
13841
13842 movq %rsi, %r11;
13843 - movq %rdx, %r12;
13844 + movq %rdx, %r14;
13845
13846 vpcmpeqd RTMP, RTMP, RTMP;
13847 vpsrldq $8, RTMP, RTMP; /* low: -1, high: 0 */
13848 @@ -523,14 +529,14 @@ ENTRY(cast5_ctr_16way)
13849 call __cast5_enc_blk16;
13850
13851 /* dst = src ^ iv */
13852 - vpxor (0*16)(%r12), RR1, RR1;
13853 - vpxor (1*16)(%r12), RL1, RL1;
13854 - vpxor (2*16)(%r12), RR2, RR2;
13855 - vpxor (3*16)(%r12), RL2, RL2;
13856 - vpxor (4*16)(%r12), RR3, RR3;
13857 - vpxor (5*16)(%r12), RL3, RL3;
13858 - vpxor (6*16)(%r12), RR4, RR4;
13859 - vpxor (7*16)(%r12), RL4, RL4;
13860 + vpxor (0*16)(%r14), RR1, RR1;
13861 + vpxor (1*16)(%r14), RL1, RL1;
13862 + vpxor (2*16)(%r14), RR2, RR2;
13863 + vpxor (3*16)(%r14), RL2, RL2;
13864 + vpxor (4*16)(%r14), RR3, RR3;
13865 + vpxor (5*16)(%r14), RL3, RL3;
13866 + vpxor (6*16)(%r14), RR4, RR4;
13867 + vpxor (7*16)(%r14), RL4, RL4;
13868 vmovdqu RR1, (0*16)(%r11);
13869 vmovdqu RL1, (1*16)(%r11);
13870 vmovdqu RR2, (2*16)(%r11);
13871 @@ -540,7 +546,8 @@ ENTRY(cast5_ctr_16way)
13872 vmovdqu RR4, (6*16)(%r11);
13873 vmovdqu RL4, (7*16)(%r11);
13874
13875 - popq %r12;
13876 + popq %r14;
13877
13878 + pax_force_retaddr
13879 ret;
13880 ENDPROC(cast5_ctr_16way)
13881 diff --git a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S
13882 index e3531f8..e123f35 100644
13883 --- a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S
13884 +++ b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S
13885 @@ -24,6 +24,7 @@
13886 */
13887
13888 #include <linux/linkage.h>
13889 +#include <asm/alternative-asm.h>
13890 #include "glue_helper-asm-avx.S"
13891
13892 .file "cast6-avx-x86_64-asm_64.S"
13893 @@ -295,6 +296,7 @@ __cast6_enc_blk8:
13894 outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
13895 outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
13896
13897 + pax_force_retaddr
13898 ret;
13899 ENDPROC(__cast6_enc_blk8)
13900
13901 @@ -340,6 +342,7 @@ __cast6_dec_blk8:
13902 outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
13903 outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
13904
13905 + pax_force_retaddr
13906 ret;
13907 ENDPROC(__cast6_dec_blk8)
13908
13909 @@ -358,6 +361,7 @@ ENTRY(cast6_ecb_enc_8way)
13910
13911 store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13912
13913 + pax_force_retaddr
13914 ret;
13915 ENDPROC(cast6_ecb_enc_8way)
13916
13917 @@ -376,6 +380,7 @@ ENTRY(cast6_ecb_dec_8way)
13918
13919 store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13920
13921 + pax_force_retaddr
13922 ret;
13923 ENDPROC(cast6_ecb_dec_8way)
13924
13925 @@ -386,19 +391,20 @@ ENTRY(cast6_cbc_dec_8way)
13926 * %rdx: src
13927 */
13928
13929 - pushq %r12;
13930 + pushq %r14;
13931
13932 movq %rsi, %r11;
13933 - movq %rdx, %r12;
13934 + movq %rdx, %r14;
13935
13936 load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13937
13938 call __cast6_dec_blk8;
13939
13940 - store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13941 + store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13942
13943 - popq %r12;
13944 + popq %r14;
13945
13946 + pax_force_retaddr
13947 ret;
13948 ENDPROC(cast6_cbc_dec_8way)
13949
13950 @@ -410,20 +416,21 @@ ENTRY(cast6_ctr_8way)
13951 * %rcx: iv (little endian, 128bit)
13952 */
13953
13954 - pushq %r12;
13955 + pushq %r14;
13956
13957 movq %rsi, %r11;
13958 - movq %rdx, %r12;
13959 + movq %rdx, %r14;
13960
13961 load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
13962 RD2, RX, RKR, RKM);
13963
13964 call __cast6_enc_blk8;
13965
13966 - store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13967 + store_ctr_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13968
13969 - popq %r12;
13970 + popq %r14;
13971
13972 + pax_force_retaddr
13973 ret;
13974 ENDPROC(cast6_ctr_8way)
13975
13976 @@ -446,6 +453,7 @@ ENTRY(cast6_xts_enc_8way)
13977 /* dst <= regs xor IVs(in dst) */
13978 store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13979
13980 + pax_force_retaddr
13981 ret;
13982 ENDPROC(cast6_xts_enc_8way)
13983
13984 @@ -468,5 +476,6 @@ ENTRY(cast6_xts_dec_8way)
13985 /* dst <= regs xor IVs(in dst) */
13986 store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
13987
13988 + pax_force_retaddr
13989 ret;
13990 ENDPROC(cast6_xts_dec_8way)
13991 diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
13992 index 26d49eb..c0a8c84 100644
13993 --- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
13994 +++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
13995 @@ -45,6 +45,7 @@
13996
13997 #include <asm/inst.h>
13998 #include <linux/linkage.h>
13999 +#include <asm/alternative-asm.h>
14000
14001 ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction
14002
14003 @@ -309,6 +310,7 @@ do_return:
14004 popq %rsi
14005 popq %rdi
14006 popq %rbx
14007 + pax_force_retaddr
14008 ret
14009
14010 ################################################################
14011 diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S
14012 index 5d1e007..098cb4f 100644
14013 --- a/arch/x86/crypto/ghash-clmulni-intel_asm.S
14014 +++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S
14015 @@ -18,6 +18,7 @@
14016
14017 #include <linux/linkage.h>
14018 #include <asm/inst.h>
14019 +#include <asm/alternative-asm.h>
14020
14021 .data
14022
14023 @@ -89,6 +90,7 @@ __clmul_gf128mul_ble:
14024 psrlq $1, T2
14025 pxor T2, T1
14026 pxor T1, DATA
14027 + pax_force_retaddr
14028 ret
14029 ENDPROC(__clmul_gf128mul_ble)
14030
14031 @@ -101,6 +103,7 @@ ENTRY(clmul_ghash_mul)
14032 call __clmul_gf128mul_ble
14033 PSHUFB_XMM BSWAP DATA
14034 movups DATA, (%rdi)
14035 + pax_force_retaddr
14036 ret
14037 ENDPROC(clmul_ghash_mul)
14038
14039 @@ -128,5 +131,6 @@ ENTRY(clmul_ghash_update)
14040 PSHUFB_XMM BSWAP DATA
14041 movups DATA, (%rdi)
14042 .Lupdate_just_ret:
14043 + pax_force_retaddr
14044 ret
14045 ENDPROC(clmul_ghash_update)
14046 diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S
14047 index 9279e0b..c4b3d2c 100644
14048 --- a/arch/x86/crypto/salsa20-x86_64-asm_64.S
14049 +++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S
14050 @@ -1,4 +1,5 @@
14051 #include <linux/linkage.h>
14052 +#include <asm/alternative-asm.h>
14053
14054 # enter salsa20_encrypt_bytes
14055 ENTRY(salsa20_encrypt_bytes)
14056 @@ -789,6 +790,7 @@ ENTRY(salsa20_encrypt_bytes)
14057 add %r11,%rsp
14058 mov %rdi,%rax
14059 mov %rsi,%rdx
14060 + pax_force_retaddr
14061 ret
14062 # bytesatleast65:
14063 ._bytesatleast65:
14064 @@ -889,6 +891,7 @@ ENTRY(salsa20_keysetup)
14065 add %r11,%rsp
14066 mov %rdi,%rax
14067 mov %rsi,%rdx
14068 + pax_force_retaddr
14069 ret
14070 ENDPROC(salsa20_keysetup)
14071
14072 @@ -914,5 +917,6 @@ ENTRY(salsa20_ivsetup)
14073 add %r11,%rsp
14074 mov %rdi,%rax
14075 mov %rsi,%rdx
14076 + pax_force_retaddr
14077 ret
14078 ENDPROC(salsa20_ivsetup)
14079 diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
14080 index 2f202f4..d9164d6 100644
14081 --- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
14082 +++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
14083 @@ -24,6 +24,7 @@
14084 */
14085
14086 #include <linux/linkage.h>
14087 +#include <asm/alternative-asm.h>
14088 #include "glue_helper-asm-avx.S"
14089
14090 .file "serpent-avx-x86_64-asm_64.S"
14091 @@ -618,6 +619,7 @@ __serpent_enc_blk8_avx:
14092 write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
14093 write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
14094
14095 + pax_force_retaddr
14096 ret;
14097 ENDPROC(__serpent_enc_blk8_avx)
14098
14099 @@ -672,6 +674,7 @@ __serpent_dec_blk8_avx:
14100 write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
14101 write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
14102
14103 + pax_force_retaddr
14104 ret;
14105 ENDPROC(__serpent_dec_blk8_avx)
14106
14107 @@ -688,6 +691,7 @@ ENTRY(serpent_ecb_enc_8way_avx)
14108
14109 store_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14110
14111 + pax_force_retaddr
14112 ret;
14113 ENDPROC(serpent_ecb_enc_8way_avx)
14114
14115 @@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_8way_avx)
14116
14117 store_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
14118
14119 + pax_force_retaddr
14120 ret;
14121 ENDPROC(serpent_ecb_dec_8way_avx)
14122
14123 @@ -720,6 +725,7 @@ ENTRY(serpent_cbc_dec_8way_avx)
14124
14125 store_cbc_8way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
14126
14127 + pax_force_retaddr
14128 ret;
14129 ENDPROC(serpent_cbc_dec_8way_avx)
14130
14131 @@ -738,6 +744,7 @@ ENTRY(serpent_ctr_8way_avx)
14132
14133 store_ctr_8way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14134
14135 + pax_force_retaddr
14136 ret;
14137 ENDPROC(serpent_ctr_8way_avx)
14138
14139 @@ -758,6 +765,7 @@ ENTRY(serpent_xts_enc_8way_avx)
14140 /* dst <= regs xor IVs(in dst) */
14141 store_xts_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14142
14143 + pax_force_retaddr
14144 ret;
14145 ENDPROC(serpent_xts_enc_8way_avx)
14146
14147 @@ -778,5 +786,6 @@ ENTRY(serpent_xts_dec_8way_avx)
14148 /* dst <= regs xor IVs(in dst) */
14149 store_xts_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
14150
14151 + pax_force_retaddr
14152 ret;
14153 ENDPROC(serpent_xts_dec_8way_avx)
14154 diff --git a/arch/x86/crypto/serpent-avx2-asm_64.S b/arch/x86/crypto/serpent-avx2-asm_64.S
14155 index b222085..abd483c 100644
14156 --- a/arch/x86/crypto/serpent-avx2-asm_64.S
14157 +++ b/arch/x86/crypto/serpent-avx2-asm_64.S
14158 @@ -15,6 +15,7 @@
14159 */
14160
14161 #include <linux/linkage.h>
14162 +#include <asm/alternative-asm.h>
14163 #include "glue_helper-asm-avx2.S"
14164
14165 .file "serpent-avx2-asm_64.S"
14166 @@ -610,6 +611,7 @@ __serpent_enc_blk16:
14167 write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
14168 write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
14169
14170 + pax_force_retaddr
14171 ret;
14172 ENDPROC(__serpent_enc_blk16)
14173
14174 @@ -664,6 +666,7 @@ __serpent_dec_blk16:
14175 write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
14176 write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
14177
14178 + pax_force_retaddr
14179 ret;
14180 ENDPROC(__serpent_dec_blk16)
14181
14182 @@ -684,6 +687,7 @@ ENTRY(serpent_ecb_enc_16way)
14183
14184 vzeroupper;
14185
14186 + pax_force_retaddr
14187 ret;
14188 ENDPROC(serpent_ecb_enc_16way)
14189
14190 @@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_16way)
14191
14192 vzeroupper;
14193
14194 + pax_force_retaddr
14195 ret;
14196 ENDPROC(serpent_ecb_dec_16way)
14197
14198 @@ -725,6 +730,7 @@ ENTRY(serpent_cbc_dec_16way)
14199
14200 vzeroupper;
14201
14202 + pax_force_retaddr
14203 ret;
14204 ENDPROC(serpent_cbc_dec_16way)
14205
14206 @@ -748,6 +754,7 @@ ENTRY(serpent_ctr_16way)
14207
14208 vzeroupper;
14209
14210 + pax_force_retaddr
14211 ret;
14212 ENDPROC(serpent_ctr_16way)
14213
14214 @@ -772,6 +779,7 @@ ENTRY(serpent_xts_enc_16way)
14215
14216 vzeroupper;
14217
14218 + pax_force_retaddr
14219 ret;
14220 ENDPROC(serpent_xts_enc_16way)
14221
14222 @@ -796,5 +804,6 @@ ENTRY(serpent_xts_dec_16way)
14223
14224 vzeroupper;
14225
14226 + pax_force_retaddr
14227 ret;
14228 ENDPROC(serpent_xts_dec_16way)
14229 diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
14230 index acc066c..1559cc4 100644
14231 --- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
14232 +++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S
14233 @@ -25,6 +25,7 @@
14234 */
14235
14236 #include <linux/linkage.h>
14237 +#include <asm/alternative-asm.h>
14238
14239 .file "serpent-sse2-x86_64-asm_64.S"
14240 .text
14241 @@ -690,12 +691,14 @@ ENTRY(__serpent_enc_blk_8way)
14242 write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
14243 write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
14244
14245 + pax_force_retaddr
14246 ret;
14247
14248 .L__enc_xor8:
14249 xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2);
14250 xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2);
14251
14252 + pax_force_retaddr
14253 ret;
14254 ENDPROC(__serpent_enc_blk_8way)
14255
14256 @@ -750,5 +753,6 @@ ENTRY(serpent_dec_blk_8way)
14257 write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2);
14258 write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2);
14259
14260 + pax_force_retaddr
14261 ret;
14262 ENDPROC(serpent_dec_blk_8way)
14263 diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S
14264 index a410950..9dfe7ad 100644
14265 --- a/arch/x86/crypto/sha1_ssse3_asm.S
14266 +++ b/arch/x86/crypto/sha1_ssse3_asm.S
14267 @@ -29,6 +29,7 @@
14268 */
14269
14270 #include <linux/linkage.h>
14271 +#include <asm/alternative-asm.h>
14272
14273 #define CTX %rdi // arg1
14274 #define BUF %rsi // arg2
14275 @@ -75,9 +76,9 @@
14276
14277 push %rbx
14278 push %rbp
14279 - push %r12
14280 + push %r14
14281
14282 - mov %rsp, %r12
14283 + mov %rsp, %r14
14284 sub $64, %rsp # allocate workspace
14285 and $~15, %rsp # align stack
14286
14287 @@ -99,11 +100,12 @@
14288 xor %rax, %rax
14289 rep stosq
14290
14291 - mov %r12, %rsp # deallocate workspace
14292 + mov %r14, %rsp # deallocate workspace
14293
14294 - pop %r12
14295 + pop %r14
14296 pop %rbp
14297 pop %rbx
14298 + pax_force_retaddr
14299 ret
14300
14301 ENDPROC(\name)
14302 diff --git a/arch/x86/crypto/sha256-avx-asm.S b/arch/x86/crypto/sha256-avx-asm.S
14303 index 642f156..51a513c 100644
14304 --- a/arch/x86/crypto/sha256-avx-asm.S
14305 +++ b/arch/x86/crypto/sha256-avx-asm.S
14306 @@ -49,6 +49,7 @@
14307
14308 #ifdef CONFIG_AS_AVX
14309 #include <linux/linkage.h>
14310 +#include <asm/alternative-asm.h>
14311
14312 ## assume buffers not aligned
14313 #define VMOVDQ vmovdqu
14314 @@ -460,6 +461,7 @@ done_hash:
14315 popq %r13
14316 popq %rbp
14317 popq %rbx
14318 + pax_force_retaddr
14319 ret
14320 ENDPROC(sha256_transform_avx)
14321
14322 diff --git a/arch/x86/crypto/sha256-avx2-asm.S b/arch/x86/crypto/sha256-avx2-asm.S
14323 index 9e86944..3795e6a 100644
14324 --- a/arch/x86/crypto/sha256-avx2-asm.S
14325 +++ b/arch/x86/crypto/sha256-avx2-asm.S
14326 @@ -50,6 +50,7 @@
14327
14328 #ifdef CONFIG_AS_AVX2
14329 #include <linux/linkage.h>
14330 +#include <asm/alternative-asm.h>
14331
14332 ## assume buffers not aligned
14333 #define VMOVDQ vmovdqu
14334 @@ -720,6 +721,7 @@ done_hash:
14335 popq %r12
14336 popq %rbp
14337 popq %rbx
14338 + pax_force_retaddr
14339 ret
14340 ENDPROC(sha256_transform_rorx)
14341
14342 diff --git a/arch/x86/crypto/sha256-ssse3-asm.S b/arch/x86/crypto/sha256-ssse3-asm.S
14343 index f833b74..8c62a9e 100644
14344 --- a/arch/x86/crypto/sha256-ssse3-asm.S
14345 +++ b/arch/x86/crypto/sha256-ssse3-asm.S
14346 @@ -47,6 +47,7 @@
14347 ########################################################################
14348
14349 #include <linux/linkage.h>
14350 +#include <asm/alternative-asm.h>
14351
14352 ## assume buffers not aligned
14353 #define MOVDQ movdqu
14354 @@ -471,6 +472,7 @@ done_hash:
14355 popq %rbp
14356 popq %rbx
14357
14358 + pax_force_retaddr
14359 ret
14360 ENDPROC(sha256_transform_ssse3)
14361
14362 diff --git a/arch/x86/crypto/sha512-avx-asm.S b/arch/x86/crypto/sha512-avx-asm.S
14363 index 974dde9..a823ff9 100644
14364 --- a/arch/x86/crypto/sha512-avx-asm.S
14365 +++ b/arch/x86/crypto/sha512-avx-asm.S
14366 @@ -49,6 +49,7 @@
14367
14368 #ifdef CONFIG_AS_AVX
14369 #include <linux/linkage.h>
14370 +#include <asm/alternative-asm.h>
14371
14372 .text
14373
14374 @@ -364,6 +365,7 @@ updateblock:
14375 mov frame_RSPSAVE(%rsp), %rsp
14376
14377 nowork:
14378 + pax_force_retaddr
14379 ret
14380 ENDPROC(sha512_transform_avx)
14381
14382 diff --git a/arch/x86/crypto/sha512-avx2-asm.S b/arch/x86/crypto/sha512-avx2-asm.S
14383 index 568b961..ed20c37 100644
14384 --- a/arch/x86/crypto/sha512-avx2-asm.S
14385 +++ b/arch/x86/crypto/sha512-avx2-asm.S
14386 @@ -51,6 +51,7 @@
14387
14388 #ifdef CONFIG_AS_AVX2
14389 #include <linux/linkage.h>
14390 +#include <asm/alternative-asm.h>
14391
14392 .text
14393
14394 @@ -678,6 +679,7 @@ done_hash:
14395
14396 # Restore Stack Pointer
14397 mov frame_RSPSAVE(%rsp), %rsp
14398 + pax_force_retaddr
14399 ret
14400 ENDPROC(sha512_transform_rorx)
14401
14402 diff --git a/arch/x86/crypto/sha512-ssse3-asm.S b/arch/x86/crypto/sha512-ssse3-asm.S
14403 index fb56855..6edd768 100644
14404 --- a/arch/x86/crypto/sha512-ssse3-asm.S
14405 +++ b/arch/x86/crypto/sha512-ssse3-asm.S
14406 @@ -48,6 +48,7 @@
14407 ########################################################################
14408
14409 #include <linux/linkage.h>
14410 +#include <asm/alternative-asm.h>
14411
14412 .text
14413
14414 @@ -363,6 +364,7 @@ updateblock:
14415 mov frame_RSPSAVE(%rsp), %rsp
14416
14417 nowork:
14418 + pax_force_retaddr
14419 ret
14420 ENDPROC(sha512_transform_ssse3)
14421
14422 diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
14423 index 0505813..b067311 100644
14424 --- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
14425 +++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
14426 @@ -24,6 +24,7 @@
14427 */
14428
14429 #include <linux/linkage.h>
14430 +#include <asm/alternative-asm.h>
14431 #include "glue_helper-asm-avx.S"
14432
14433 .file "twofish-avx-x86_64-asm_64.S"
14434 @@ -284,6 +285,7 @@ __twofish_enc_blk8:
14435 outunpack_blocks(RC1, RD1, RA1, RB1, RK1, RX0, RY0, RK2);
14436 outunpack_blocks(RC2, RD2, RA2, RB2, RK1, RX0, RY0, RK2);
14437
14438 + pax_force_retaddr
14439 ret;
14440 ENDPROC(__twofish_enc_blk8)
14441
14442 @@ -324,6 +326,7 @@ __twofish_dec_blk8:
14443 outunpack_blocks(RA1, RB1, RC1, RD1, RK1, RX0, RY0, RK2);
14444 outunpack_blocks(RA2, RB2, RC2, RD2, RK1, RX0, RY0, RK2);
14445
14446 + pax_force_retaddr
14447 ret;
14448 ENDPROC(__twofish_dec_blk8)
14449
14450 @@ -342,6 +345,7 @@ ENTRY(twofish_ecb_enc_8way)
14451
14452 store_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
14453
14454 + pax_force_retaddr
14455 ret;
14456 ENDPROC(twofish_ecb_enc_8way)
14457
14458 @@ -360,6 +364,7 @@ ENTRY(twofish_ecb_dec_8way)
14459
14460 store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14461
14462 + pax_force_retaddr
14463 ret;
14464 ENDPROC(twofish_ecb_dec_8way)
14465
14466 @@ -370,19 +375,20 @@ ENTRY(twofish_cbc_dec_8way)
14467 * %rdx: src
14468 */
14469
14470 - pushq %r12;
14471 + pushq %r14;
14472
14473 movq %rsi, %r11;
14474 - movq %rdx, %r12;
14475 + movq %rdx, %r14;
14476
14477 load_8way(%rdx, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
14478
14479 call __twofish_dec_blk8;
14480
14481 - store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14482 + store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14483
14484 - popq %r12;
14485 + popq %r14;
14486
14487 + pax_force_retaddr
14488 ret;
14489 ENDPROC(twofish_cbc_dec_8way)
14490
14491 @@ -394,20 +400,21 @@ ENTRY(twofish_ctr_8way)
14492 * %rcx: iv (little endian, 128bit)
14493 */
14494
14495 - pushq %r12;
14496 + pushq %r14;
14497
14498 movq %rsi, %r11;
14499 - movq %rdx, %r12;
14500 + movq %rdx, %r14;
14501
14502 load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
14503 RD2, RX0, RX1, RY0);
14504
14505 call __twofish_enc_blk8;
14506
14507 - store_ctr_8way(%r12, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
14508 + store_ctr_8way(%r14, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
14509
14510 - popq %r12;
14511 + popq %r14;
14512
14513 + pax_force_retaddr
14514 ret;
14515 ENDPROC(twofish_ctr_8way)
14516
14517 @@ -430,6 +437,7 @@ ENTRY(twofish_xts_enc_8way)
14518 /* dst <= regs xor IVs(in dst) */
14519 store_xts_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
14520
14521 + pax_force_retaddr
14522 ret;
14523 ENDPROC(twofish_xts_enc_8way)
14524
14525 @@ -452,5 +460,6 @@ ENTRY(twofish_xts_dec_8way)
14526 /* dst <= regs xor IVs(in dst) */
14527 store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
14528
14529 + pax_force_retaddr
14530 ret;
14531 ENDPROC(twofish_xts_dec_8way)
14532 diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
14533 index 1c3b7ce..02f578d 100644
14534 --- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
14535 +++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S
14536 @@ -21,6 +21,7 @@
14537 */
14538
14539 #include <linux/linkage.h>
14540 +#include <asm/alternative-asm.h>
14541
14542 .file "twofish-x86_64-asm-3way.S"
14543 .text
14544 @@ -258,6 +259,7 @@ ENTRY(__twofish_enc_blk_3way)
14545 popq %r13;
14546 popq %r14;
14547 popq %r15;
14548 + pax_force_retaddr
14549 ret;
14550
14551 .L__enc_xor3:
14552 @@ -269,6 +271,7 @@ ENTRY(__twofish_enc_blk_3way)
14553 popq %r13;
14554 popq %r14;
14555 popq %r15;
14556 + pax_force_retaddr
14557 ret;
14558 ENDPROC(__twofish_enc_blk_3way)
14559
14560 @@ -308,5 +311,6 @@ ENTRY(twofish_dec_blk_3way)
14561 popq %r13;
14562 popq %r14;
14563 popq %r15;
14564 + pax_force_retaddr
14565 ret;
14566 ENDPROC(twofish_dec_blk_3way)
14567 diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S
14568 index a039d21..524b8b2 100644
14569 --- a/arch/x86/crypto/twofish-x86_64-asm_64.S
14570 +++ b/arch/x86/crypto/twofish-x86_64-asm_64.S
14571 @@ -22,6 +22,7 @@
14572
14573 #include <linux/linkage.h>
14574 #include <asm/asm-offsets.h>
14575 +#include <asm/alternative-asm.h>
14576
14577 #define a_offset 0
14578 #define b_offset 4
14579 @@ -265,6 +266,7 @@ ENTRY(twofish_enc_blk)
14580
14581 popq R1
14582 movq $1,%rax
14583 + pax_force_retaddr
14584 ret
14585 ENDPROC(twofish_enc_blk)
14586
14587 @@ -317,5 +319,6 @@ ENTRY(twofish_dec_blk)
14588
14589 popq R1
14590 movq $1,%rax
14591 + pax_force_retaddr
14592 ret
14593 ENDPROC(twofish_dec_blk)
14594 diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
14595 index df91466..74b31cb 100644
14596 --- a/arch/x86/ia32/ia32_aout.c
14597 +++ b/arch/x86/ia32/ia32_aout.c
14598 @@ -153,6 +153,8 @@ static int aout_core_dump(struct coredump_params *cprm)
14599 unsigned long dump_start, dump_size;
14600 struct user32 dump;
14601
14602 + memset(&dump, 0, sizeof(dump));
14603 +
14604 fs = get_fs();
14605 set_fs(KERNEL_DS);
14606 has_dumped = 1;
14607 diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
14608 index f9e181a..300544c 100644
14609 --- a/arch/x86/ia32/ia32_signal.c
14610 +++ b/arch/x86/ia32/ia32_signal.c
14611 @@ -218,7 +218,7 @@ asmlinkage long sys32_sigreturn(void)
14612 if (__get_user(set.sig[0], &frame->sc.oldmask)
14613 || (_COMPAT_NSIG_WORDS > 1
14614 && __copy_from_user((((char *) &set.sig) + 4),
14615 - &frame->extramask,
14616 + frame->extramask,
14617 sizeof(frame->extramask))))
14618 goto badframe;
14619
14620 @@ -338,7 +338,7 @@ static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
14621 sp -= frame_size;
14622 /* Align the stack pointer according to the i386 ABI,
14623 * i.e. so that on function entry ((sp + 4) & 15) == 0. */
14624 - sp = ((sp + 4) & -16ul) - 4;
14625 + sp = ((sp - 12) & -16ul) - 4;
14626 return (void __user *) sp;
14627 }
14628
14629 @@ -383,10 +383,10 @@ int ia32_setup_frame(int sig, struct ksignal *ksig,
14630 } else {
14631 /* Return stub is in 32bit vsyscall page */
14632 if (current->mm->context.vdso)
14633 - restorer = current->mm->context.vdso +
14634 - selected_vdso32->sym___kernel_sigreturn;
14635 + restorer = (void __force_user *)(current->mm->context.vdso +
14636 + selected_vdso32->sym___kernel_sigreturn);
14637 else
14638 - restorer = &frame->retcode;
14639 + restorer = frame->retcode;
14640 }
14641
14642 put_user_try {
14643 @@ -396,7 +396,7 @@ int ia32_setup_frame(int sig, struct ksignal *ksig,
14644 * These are actually not used anymore, but left because some
14645 * gdb versions depend on them as a marker.
14646 */
14647 - put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode);
14648 + put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
14649 } put_user_catch(err);
14650
14651 if (err)
14652 @@ -438,7 +438,7 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
14653 0xb8,
14654 __NR_ia32_rt_sigreturn,
14655 0x80cd,
14656 - 0,
14657 + 0
14658 };
14659
14660 frame = get_sigframe(ksig, regs, sizeof(*frame), &fpstate);
14661 @@ -461,16 +461,19 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
14662
14663 if (ksig->ka.sa.sa_flags & SA_RESTORER)
14664 restorer = ksig->ka.sa.sa_restorer;
14665 + else if (current->mm->context.vdso)
14666 + /* Return stub is in 32bit vsyscall page */
14667 + restorer = (void __force_user *)(current->mm->context.vdso +
14668 + selected_vdso32->sym___kernel_rt_sigreturn);
14669 else
14670 - restorer = current->mm->context.vdso +
14671 - selected_vdso32->sym___kernel_rt_sigreturn;
14672 + restorer = frame->retcode;
14673 put_user_ex(ptr_to_compat(restorer), &frame->pretcode);
14674
14675 /*
14676 * Not actually used anymore, but left because some gdb
14677 * versions need it.
14678 */
14679 - put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode);
14680 + put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode);
14681 } put_user_catch(err);
14682
14683 err |= copy_siginfo_to_user32(&frame->info, &ksig->info);
14684 diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
14685 index ffe7122..899bad3 100644
14686 --- a/arch/x86/ia32/ia32entry.S
14687 +++ b/arch/x86/ia32/ia32entry.S
14688 @@ -15,8 +15,10 @@
14689 #include <asm/irqflags.h>
14690 #include <asm/asm.h>
14691 #include <asm/smap.h>
14692 +#include <asm/pgtable.h>
14693 #include <linux/linkage.h>
14694 #include <linux/err.h>
14695 +#include <asm/alternative-asm.h>
14696
14697 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
14698 #include <linux/elf-em.h>
14699 @@ -62,12 +64,12 @@
14700 */
14701 .macro LOAD_ARGS32 offset, _r9=0
14702 .if \_r9
14703 - movl \offset+16(%rsp),%r9d
14704 + movl \offset+R9(%rsp),%r9d
14705 .endif
14706 - movl \offset+40(%rsp),%ecx
14707 - movl \offset+48(%rsp),%edx
14708 - movl \offset+56(%rsp),%esi
14709 - movl \offset+64(%rsp),%edi
14710 + movl \offset+RCX(%rsp),%ecx
14711 + movl \offset+RDX(%rsp),%edx
14712 + movl \offset+RSI(%rsp),%esi
14713 + movl \offset+RDI(%rsp),%edi
14714 movl %eax,%eax /* zero extension */
14715 .endm
14716
14717 @@ -96,6 +98,32 @@ ENTRY(native_irq_enable_sysexit)
14718 ENDPROC(native_irq_enable_sysexit)
14719 #endif
14720
14721 + .macro pax_enter_kernel_user
14722 + pax_set_fptr_mask
14723 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14724 + call pax_enter_kernel_user
14725 +#endif
14726 + .endm
14727 +
14728 + .macro pax_exit_kernel_user
14729 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14730 + call pax_exit_kernel_user
14731 +#endif
14732 +#ifdef CONFIG_PAX_RANDKSTACK
14733 + pushq %rax
14734 + pushq %r11
14735 + call pax_randomize_kstack
14736 + popq %r11
14737 + popq %rax
14738 +#endif
14739 + .endm
14740 +
14741 + .macro pax_erase_kstack
14742 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
14743 + call pax_erase_kstack
14744 +#endif
14745 + .endm
14746 +
14747 /*
14748 * 32bit SYSENTER instruction entry.
14749 *
14750 @@ -122,12 +150,6 @@ ENTRY(ia32_sysenter_target)
14751 CFI_REGISTER rsp,rbp
14752 SWAPGS_UNSAFE_STACK
14753 movq PER_CPU_VAR(kernel_stack), %rsp
14754 - addq $(KERNEL_STACK_OFFSET),%rsp
14755 - /*
14756 - * No need to follow this irqs on/off section: the syscall
14757 - * disabled irqs, here we enable it straight after entry:
14758 - */
14759 - ENABLE_INTERRUPTS(CLBR_NONE)
14760 movl %ebp,%ebp /* zero extension */
14761 pushq_cfi $__USER32_DS
14762 /*CFI_REL_OFFSET ss,0*/
14763 @@ -135,23 +157,46 @@ ENTRY(ia32_sysenter_target)
14764 CFI_REL_OFFSET rsp,0
14765 pushfq_cfi
14766 /*CFI_REL_OFFSET rflags,0*/
14767 - movl TI_sysenter_return+THREAD_INFO(%rsp,3*8-KERNEL_STACK_OFFSET),%r10d
14768 - CFI_REGISTER rip,r10
14769 + orl $X86_EFLAGS_IF,(%rsp)
14770 + GET_THREAD_INFO(%r11)
14771 + movl TI_sysenter_return(%r11), %r11d
14772 + CFI_REGISTER rip,r11
14773 pushq_cfi $__USER32_CS
14774 /*CFI_REL_OFFSET cs,0*/
14775 movl %eax, %eax
14776 - pushq_cfi %r10
14777 + pushq_cfi %r11
14778 CFI_REL_OFFSET rip,0
14779 pushq_cfi %rax
14780 cld
14781 SAVE_ARGS 0,1,0
14782 + pax_enter_kernel_user
14783 +
14784 +#ifdef CONFIG_PAX_RANDKSTACK
14785 + pax_erase_kstack
14786 +#endif
14787 +
14788 + /*
14789 + * No need to follow this irqs on/off section: the syscall
14790 + * disabled irqs, here we enable it straight after entry:
14791 + */
14792 + ENABLE_INTERRUPTS(CLBR_NONE)
14793 /* no need to do an access_ok check here because rbp has been
14794 32bit zero extended */
14795 +
14796 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14797 + addq pax_user_shadow_base,%rbp
14798 + ASM_PAX_OPEN_USERLAND
14799 +#endif
14800 +
14801 ASM_STAC
14802 1: movl (%rbp),%ebp
14803 _ASM_EXTABLE(1b,ia32_badarg)
14804 ASM_CLAC
14805
14806 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14807 + ASM_PAX_CLOSE_USERLAND
14808 +#endif
14809 +
14810 /*
14811 * Sysenter doesn't filter flags, so we need to clear NT
14812 * ourselves. To save a few cycles, we can check whether
14813 @@ -161,8 +206,9 @@ ENTRY(ia32_sysenter_target)
14814 jnz sysenter_fix_flags
14815 sysenter_flags_fixed:
14816
14817 - orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14818 - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14819 + GET_THREAD_INFO(%r11)
14820 + orl $TS_COMPAT,TI_status(%r11)
14821 + testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
14822 CFI_REMEMBER_STATE
14823 jnz sysenter_tracesys
14824 cmpq $(IA32_NR_syscalls-1),%rax
14825 @@ -172,15 +218,18 @@ sysenter_do_call:
14826 sysenter_dispatch:
14827 call *ia32_sys_call_table(,%rax,8)
14828 movq %rax,RAX-ARGOFFSET(%rsp)
14829 + GET_THREAD_INFO(%r11)
14830 DISABLE_INTERRUPTS(CLBR_NONE)
14831 TRACE_IRQS_OFF
14832 - testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14833 + testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
14834 jnz sysexit_audit
14835 sysexit_from_sys_call:
14836 - andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14837 + pax_exit_kernel_user
14838 + pax_erase_kstack
14839 + andl $~TS_COMPAT,TI_status(%r11)
14840 /* clear IF, that popfq doesn't enable interrupts early */
14841 - andl $~0x200,EFLAGS-R11(%rsp)
14842 - movl RIP-R11(%rsp),%edx /* User %eip */
14843 + andl $~X86_EFLAGS_IF,EFLAGS(%rsp)
14844 + movl RIP(%rsp),%edx /* User %eip */
14845 CFI_REGISTER rip,rdx
14846 RESTORE_ARGS 0,24,0,0,0,0
14847 xorq %r8,%r8
14848 @@ -205,6 +254,9 @@ sysexit_from_sys_call:
14849 movl %ebx,%esi /* 2nd arg: 1st syscall arg */
14850 movl %eax,%edi /* 1st arg: syscall number */
14851 call __audit_syscall_entry
14852 +
14853 + pax_erase_kstack
14854 +
14855 movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */
14856 cmpq $(IA32_NR_syscalls-1),%rax
14857 ja ia32_badsys
14858 @@ -216,7 +268,7 @@ sysexit_from_sys_call:
14859 .endm
14860
14861 .macro auditsys_exit exit
14862 - testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14863 + testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
14864 jnz ia32_ret_from_sys_call
14865 TRACE_IRQS_ON
14866 ENABLE_INTERRUPTS(CLBR_NONE)
14867 @@ -227,11 +279,12 @@ sysexit_from_sys_call:
14868 1: setbe %al /* 1 if error, 0 if not */
14869 movzbl %al,%edi /* zero-extend that into %edi */
14870 call __audit_syscall_exit
14871 + GET_THREAD_INFO(%r11)
14872 movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */
14873 movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
14874 DISABLE_INTERRUPTS(CLBR_NONE)
14875 TRACE_IRQS_OFF
14876 - testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14877 + testl %edi,TI_flags(%r11)
14878 jz \exit
14879 CLEAR_RREGS -ARGOFFSET
14880 jmp int_with_check
14881 @@ -253,7 +306,7 @@ sysenter_fix_flags:
14882
14883 sysenter_tracesys:
14884 #ifdef CONFIG_AUDITSYSCALL
14885 - testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14886 + testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
14887 jz sysenter_auditsys
14888 #endif
14889 SAVE_REST
14890 @@ -265,6 +318,9 @@ sysenter_tracesys:
14891 RESTORE_REST
14892 cmpq $(IA32_NR_syscalls-1),%rax
14893 ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
14894 +
14895 + pax_erase_kstack
14896 +
14897 jmp sysenter_do_call
14898 CFI_ENDPROC
14899 ENDPROC(ia32_sysenter_target)
14900 @@ -292,19 +348,25 @@ ENDPROC(ia32_sysenter_target)
14901 ENTRY(ia32_cstar_target)
14902 CFI_STARTPROC32 simple
14903 CFI_SIGNAL_FRAME
14904 - CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
14905 + CFI_DEF_CFA rsp,0
14906 CFI_REGISTER rip,rcx
14907 /*CFI_REGISTER rflags,r11*/
14908 SWAPGS_UNSAFE_STACK
14909 movl %esp,%r8d
14910 CFI_REGISTER rsp,r8
14911 movq PER_CPU_VAR(kernel_stack),%rsp
14912 + SAVE_ARGS 8*6,0,0
14913 + pax_enter_kernel_user
14914 +
14915 +#ifdef CONFIG_PAX_RANDKSTACK
14916 + pax_erase_kstack
14917 +#endif
14918 +
14919 /*
14920 * No need to follow this irqs on/off section: the syscall
14921 * disabled irqs and here we enable it straight after entry:
14922 */
14923 ENABLE_INTERRUPTS(CLBR_NONE)
14924 - SAVE_ARGS 8,0,0
14925 movl %eax,%eax /* zero extension */
14926 movq %rax,ORIG_RAX-ARGOFFSET(%rsp)
14927 movq %rcx,RIP-ARGOFFSET(%rsp)
14928 @@ -320,12 +382,25 @@ ENTRY(ia32_cstar_target)
14929 /* no need to do an access_ok check here because r8 has been
14930 32bit zero extended */
14931 /* hardware stack frame is complete now */
14932 +
14933 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14934 + ASM_PAX_OPEN_USERLAND
14935 + movq pax_user_shadow_base,%r8
14936 + addq RSP-ARGOFFSET(%rsp),%r8
14937 +#endif
14938 +
14939 ASM_STAC
14940 1: movl (%r8),%r9d
14941 _ASM_EXTABLE(1b,ia32_badarg)
14942 ASM_CLAC
14943 - orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14944 - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14945 +
14946 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14947 + ASM_PAX_CLOSE_USERLAND
14948 +#endif
14949 +
14950 + GET_THREAD_INFO(%r11)
14951 + orl $TS_COMPAT,TI_status(%r11)
14952 + testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
14953 CFI_REMEMBER_STATE
14954 jnz cstar_tracesys
14955 cmpq $IA32_NR_syscalls-1,%rax
14956 @@ -335,13 +410,16 @@ cstar_do_call:
14957 cstar_dispatch:
14958 call *ia32_sys_call_table(,%rax,8)
14959 movq %rax,RAX-ARGOFFSET(%rsp)
14960 + GET_THREAD_INFO(%r11)
14961 DISABLE_INTERRUPTS(CLBR_NONE)
14962 TRACE_IRQS_OFF
14963 - testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14964 + testl $_TIF_ALLWORK_MASK,TI_flags(%r11)
14965 jnz sysretl_audit
14966 sysretl_from_sys_call:
14967 - andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14968 - RESTORE_ARGS 0,-ARG_SKIP,0,0,0
14969 + pax_exit_kernel_user
14970 + pax_erase_kstack
14971 + andl $~TS_COMPAT,TI_status(%r11)
14972 + RESTORE_ARGS 0,-ORIG_RAX,0,0,0
14973 movl RIP-ARGOFFSET(%rsp),%ecx
14974 CFI_REGISTER rip,rcx
14975 movl EFLAGS-ARGOFFSET(%rsp),%r11d
14976 @@ -368,7 +446,7 @@ sysretl_audit:
14977
14978 cstar_tracesys:
14979 #ifdef CONFIG_AUDITSYSCALL
14980 - testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
14981 + testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11)
14982 jz cstar_auditsys
14983 #endif
14984 xchgl %r9d,%ebp
14985 @@ -382,11 +460,19 @@ cstar_tracesys:
14986 xchgl %ebp,%r9d
14987 cmpq $(IA32_NR_syscalls-1),%rax
14988 ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
14989 +
14990 + pax_erase_kstack
14991 +
14992 jmp cstar_do_call
14993 END(ia32_cstar_target)
14994
14995 ia32_badarg:
14996 ASM_CLAC
14997 +
14998 +#ifdef CONFIG_PAX_MEMORY_UDEREF
14999 + ASM_PAX_CLOSE_USERLAND
15000 +#endif
15001 +
15002 movq $-EFAULT,%rax
15003 jmp ia32_sysret
15004 CFI_ENDPROC
15005 @@ -423,19 +509,26 @@ ENTRY(ia32_syscall)
15006 CFI_REL_OFFSET rip,RIP-RIP
15007 PARAVIRT_ADJUST_EXCEPTION_FRAME
15008 SWAPGS
15009 - /*
15010 - * No need to follow this irqs on/off section: the syscall
15011 - * disabled irqs and here we enable it straight after entry:
15012 - */
15013 - ENABLE_INTERRUPTS(CLBR_NONE)
15014 movl %eax,%eax
15015 pushq_cfi %rax
15016 cld
15017 /* note the registers are not zero extended to the sf.
15018 this could be a problem. */
15019 SAVE_ARGS 0,1,0
15020 - orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
15021 - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
15022 + pax_enter_kernel_user
15023 +
15024 +#ifdef CONFIG_PAX_RANDKSTACK
15025 + pax_erase_kstack
15026 +#endif
15027 +
15028 + /*
15029 + * No need to follow this irqs on/off section: the syscall
15030 + * disabled irqs and here we enable it straight after entry:
15031 + */
15032 + ENABLE_INTERRUPTS(CLBR_NONE)
15033 + GET_THREAD_INFO(%r11)
15034 + orl $TS_COMPAT,TI_status(%r11)
15035 + testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11)
15036 jnz ia32_tracesys
15037 cmpq $(IA32_NR_syscalls-1),%rax
15038 ja ia32_badsys
15039 @@ -458,6 +551,9 @@ ia32_tracesys:
15040 RESTORE_REST
15041 cmpq $(IA32_NR_syscalls-1),%rax
15042 ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
15043 +
15044 + pax_erase_kstack
15045 +
15046 jmp ia32_do_call
15047 END(ia32_syscall)
15048
15049 diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
15050 index 8e0ceec..af13504 100644
15051 --- a/arch/x86/ia32/sys_ia32.c
15052 +++ b/arch/x86/ia32/sys_ia32.c
15053 @@ -69,8 +69,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low,
15054 */
15055 static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
15056 {
15057 - typeof(ubuf->st_uid) uid = 0;
15058 - typeof(ubuf->st_gid) gid = 0;
15059 + typeof(((struct stat64 *)0)->st_uid) uid = 0;
15060 + typeof(((struct stat64 *)0)->st_gid) gid = 0;
15061 SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid));
15062 SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid));
15063 if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
15064 diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
15065 index 372231c..51b537d 100644
15066 --- a/arch/x86/include/asm/alternative-asm.h
15067 +++ b/arch/x86/include/asm/alternative-asm.h
15068 @@ -18,6 +18,45 @@
15069 .endm
15070 #endif
15071
15072 +#ifdef KERNEXEC_PLUGIN
15073 + .macro pax_force_retaddr_bts rip=0
15074 + btsq $63,\rip(%rsp)
15075 + .endm
15076 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
15077 + .macro pax_force_retaddr rip=0, reload=0
15078 + btsq $63,\rip(%rsp)
15079 + .endm
15080 + .macro pax_force_fptr ptr
15081 + btsq $63,\ptr
15082 + .endm
15083 + .macro pax_set_fptr_mask
15084 + .endm
15085 +#endif
15086 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
15087 + .macro pax_force_retaddr rip=0, reload=0
15088 + .if \reload
15089 + pax_set_fptr_mask
15090 + .endif
15091 + orq %r12,\rip(%rsp)
15092 + .endm
15093 + .macro pax_force_fptr ptr
15094 + orq %r12,\ptr
15095 + .endm
15096 + .macro pax_set_fptr_mask
15097 + movabs $0x8000000000000000,%r12
15098 + .endm
15099 +#endif
15100 +#else
15101 + .macro pax_force_retaddr rip=0, reload=0
15102 + .endm
15103 + .macro pax_force_fptr ptr
15104 + .endm
15105 + .macro pax_force_retaddr_bts rip=0
15106 + .endm
15107 + .macro pax_set_fptr_mask
15108 + .endm
15109 +#endif
15110 +
15111 .macro altinstruction_entry orig alt feature orig_len alt_len
15112 .long \orig - .
15113 .long \alt - .
15114 diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
15115 index 473bdbe..b1e3377 100644
15116 --- a/arch/x86/include/asm/alternative.h
15117 +++ b/arch/x86/include/asm/alternative.h
15118 @@ -106,7 +106,7 @@ static inline int alternatives_text_reserved(void *start, void *end)
15119 ".pushsection .discard,\"aw\",@progbits\n" \
15120 DISCARD_ENTRY(1) \
15121 ".popsection\n" \
15122 - ".pushsection .altinstr_replacement, \"ax\"\n" \
15123 + ".pushsection .altinstr_replacement, \"a\"\n" \
15124 ALTINSTR_REPLACEMENT(newinstr, feature, 1) \
15125 ".popsection"
15126
15127 @@ -120,7 +120,7 @@ static inline int alternatives_text_reserved(void *start, void *end)
15128 DISCARD_ENTRY(1) \
15129 DISCARD_ENTRY(2) \
15130 ".popsection\n" \
15131 - ".pushsection .altinstr_replacement, \"ax\"\n" \
15132 + ".pushsection .altinstr_replacement, \"a\"\n" \
15133 ALTINSTR_REPLACEMENT(newinstr1, feature1, 1) \
15134 ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \
15135 ".popsection"
15136 diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
15137 index 465b309..ab7e51f 100644
15138 --- a/arch/x86/include/asm/apic.h
15139 +++ b/arch/x86/include/asm/apic.h
15140 @@ -45,7 +45,7 @@ static inline void generic_apic_probe(void)
15141
15142 #ifdef CONFIG_X86_LOCAL_APIC
15143
15144 -extern unsigned int apic_verbosity;
15145 +extern int apic_verbosity;
15146 extern int local_apic_timer_c2_ok;
15147
15148 extern int disable_apic;
15149 diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h
15150 index 20370c6..a2eb9b0 100644
15151 --- a/arch/x86/include/asm/apm.h
15152 +++ b/arch/x86/include/asm/apm.h
15153 @@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in,
15154 __asm__ __volatile__(APM_DO_ZERO_SEGS
15155 "pushl %%edi\n\t"
15156 "pushl %%ebp\n\t"
15157 - "lcall *%%cs:apm_bios_entry\n\t"
15158 + "lcall *%%ss:apm_bios_entry\n\t"
15159 "setc %%al\n\t"
15160 "popl %%ebp\n\t"
15161 "popl %%edi\n\t"
15162 @@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
15163 __asm__ __volatile__(APM_DO_ZERO_SEGS
15164 "pushl %%edi\n\t"
15165 "pushl %%ebp\n\t"
15166 - "lcall *%%cs:apm_bios_entry\n\t"
15167 + "lcall *%%ss:apm_bios_entry\n\t"
15168 "setc %%bl\n\t"
15169 "popl %%ebp\n\t"
15170 "popl %%edi\n\t"
15171 diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
15172 index 5e5cd12..3d18208 100644
15173 --- a/arch/x86/include/asm/atomic.h
15174 +++ b/arch/x86/include/asm/atomic.h
15175 @@ -28,6 +28,17 @@ static inline int atomic_read(const atomic_t *v)
15176 }
15177
15178 /**
15179 + * atomic_read_unchecked - read atomic variable
15180 + * @v: pointer of type atomic_unchecked_t
15181 + *
15182 + * Atomically reads the value of @v.
15183 + */
15184 +static inline int __intentional_overflow(-1) atomic_read_unchecked(const atomic_unchecked_t *v)
15185 +{
15186 + return ACCESS_ONCE((v)->counter);
15187 +}
15188 +
15189 +/**
15190 * atomic_set - set atomic variable
15191 * @v: pointer of type atomic_t
15192 * @i: required value
15193 @@ -40,6 +51,18 @@ static inline void atomic_set(atomic_t *v, int i)
15194 }
15195
15196 /**
15197 + * atomic_set_unchecked - set atomic variable
15198 + * @v: pointer of type atomic_unchecked_t
15199 + * @i: required value
15200 + *
15201 + * Atomically sets the value of @v to @i.
15202 + */
15203 +static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i)
15204 +{
15205 + v->counter = i;
15206 +}
15207 +
15208 +/**
15209 * atomic_add - add integer to atomic variable
15210 * @i: integer value to add
15211 * @v: pointer of type atomic_t
15212 @@ -48,7 +71,29 @@ static inline void atomic_set(atomic_t *v, int i)
15213 */
15214 static inline void atomic_add(int i, atomic_t *v)
15215 {
15216 - asm volatile(LOCK_PREFIX "addl %1,%0"
15217 + asm volatile(LOCK_PREFIX "addl %1,%0\n"
15218 +
15219 +#ifdef CONFIG_PAX_REFCOUNT
15220 + "jno 0f\n"
15221 + LOCK_PREFIX "subl %1,%0\n"
15222 + "int $4\n0:\n"
15223 + _ASM_EXTABLE(0b, 0b)
15224 +#endif
15225 +
15226 + : "+m" (v->counter)
15227 + : "ir" (i));
15228 +}
15229 +
15230 +/**
15231 + * atomic_add_unchecked - add integer to atomic variable
15232 + * @i: integer value to add
15233 + * @v: pointer of type atomic_unchecked_t
15234 + *
15235 + * Atomically adds @i to @v.
15236 + */
15237 +static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v)
15238 +{
15239 + asm volatile(LOCK_PREFIX "addl %1,%0\n"
15240 : "+m" (v->counter)
15241 : "ir" (i));
15242 }
15243 @@ -62,7 +107,29 @@ static inline void atomic_add(int i, atomic_t *v)
15244 */
15245 static inline void atomic_sub(int i, atomic_t *v)
15246 {
15247 - asm volatile(LOCK_PREFIX "subl %1,%0"
15248 + asm volatile(LOCK_PREFIX "subl %1,%0\n"
15249 +
15250 +#ifdef CONFIG_PAX_REFCOUNT
15251 + "jno 0f\n"
15252 + LOCK_PREFIX "addl %1,%0\n"
15253 + "int $4\n0:\n"
15254 + _ASM_EXTABLE(0b, 0b)
15255 +#endif
15256 +
15257 + : "+m" (v->counter)
15258 + : "ir" (i));
15259 +}
15260 +
15261 +/**
15262 + * atomic_sub_unchecked - subtract integer from atomic variable
15263 + * @i: integer value to subtract
15264 + * @v: pointer of type atomic_unchecked_t
15265 + *
15266 + * Atomically subtracts @i from @v.
15267 + */
15268 +static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v)
15269 +{
15270 + asm volatile(LOCK_PREFIX "subl %1,%0\n"
15271 : "+m" (v->counter)
15272 : "ir" (i));
15273 }
15274 @@ -78,7 +145,7 @@ static inline void atomic_sub(int i, atomic_t *v)
15275 */
15276 static inline int atomic_sub_and_test(int i, atomic_t *v)
15277 {
15278 - GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", "e");
15279 + GEN_BINARY_RMWcc(LOCK_PREFIX "subl", LOCK_PREFIX "addl", v->counter, "er", i, "%0", "e");
15280 }
15281
15282 /**
15283 @@ -89,7 +156,27 @@ static inline int atomic_sub_and_test(int i, atomic_t *v)
15284 */
15285 static inline void atomic_inc(atomic_t *v)
15286 {
15287 - asm volatile(LOCK_PREFIX "incl %0"
15288 + asm volatile(LOCK_PREFIX "incl %0\n"
15289 +
15290 +#ifdef CONFIG_PAX_REFCOUNT
15291 + "jno 0f\n"
15292 + LOCK_PREFIX "decl %0\n"
15293 + "int $4\n0:\n"
15294 + _ASM_EXTABLE(0b, 0b)
15295 +#endif
15296 +
15297 + : "+m" (v->counter));
15298 +}
15299 +
15300 +/**
15301 + * atomic_inc_unchecked - increment atomic variable
15302 + * @v: pointer of type atomic_unchecked_t
15303 + *
15304 + * Atomically increments @v by 1.
15305 + */
15306 +static inline void atomic_inc_unchecked(atomic_unchecked_t *v)
15307 +{
15308 + asm volatile(LOCK_PREFIX "incl %0\n"
15309 : "+m" (v->counter));
15310 }
15311
15312 @@ -101,7 +188,27 @@ static inline void atomic_inc(atomic_t *v)
15313 */
15314 static inline void atomic_dec(atomic_t *v)
15315 {
15316 - asm volatile(LOCK_PREFIX "decl %0"
15317 + asm volatile(LOCK_PREFIX "decl %0\n"
15318 +
15319 +#ifdef CONFIG_PAX_REFCOUNT
15320 + "jno 0f\n"
15321 + LOCK_PREFIX "incl %0\n"
15322 + "int $4\n0:\n"
15323 + _ASM_EXTABLE(0b, 0b)
15324 +#endif
15325 +
15326 + : "+m" (v->counter));
15327 +}
15328 +
15329 +/**
15330 + * atomic_dec_unchecked - decrement atomic variable
15331 + * @v: pointer of type atomic_unchecked_t
15332 + *
15333 + * Atomically decrements @v by 1.
15334 + */
15335 +static inline void atomic_dec_unchecked(atomic_unchecked_t *v)
15336 +{
15337 + asm volatile(LOCK_PREFIX "decl %0\n"
15338 : "+m" (v->counter));
15339 }
15340
15341 @@ -115,7 +222,7 @@ static inline void atomic_dec(atomic_t *v)
15342 */
15343 static inline int atomic_dec_and_test(atomic_t *v)
15344 {
15345 - GEN_UNARY_RMWcc(LOCK_PREFIX "decl", v->counter, "%0", "e");
15346 + GEN_UNARY_RMWcc(LOCK_PREFIX "decl", LOCK_PREFIX "incl", v->counter, "%0", "e");
15347 }
15348
15349 /**
15350 @@ -128,7 +235,20 @@ static inline int atomic_dec_and_test(atomic_t *v)
15351 */
15352 static inline int atomic_inc_and_test(atomic_t *v)
15353 {
15354 - GEN_UNARY_RMWcc(LOCK_PREFIX "incl", v->counter, "%0", "e");
15355 + GEN_UNARY_RMWcc(LOCK_PREFIX "incl", LOCK_PREFIX "decl", v->counter, "%0", "e");
15356 +}
15357 +
15358 +/**
15359 + * atomic_inc_and_test_unchecked - increment and test
15360 + * @v: pointer of type atomic_unchecked_t
15361 + *
15362 + * Atomically increments @v by 1
15363 + * and returns true if the result is zero, or false for all
15364 + * other cases.
15365 + */
15366 +static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v)
15367 +{
15368 + GEN_UNARY_RMWcc_unchecked(LOCK_PREFIX "incl", v->counter, "%0", "e");
15369 }
15370
15371 /**
15372 @@ -142,7 +262,7 @@ static inline int atomic_inc_and_test(atomic_t *v)
15373 */
15374 static inline int atomic_add_negative(int i, atomic_t *v)
15375 {
15376 - GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", "s");
15377 + GEN_BINARY_RMWcc(LOCK_PREFIX "addl", LOCK_PREFIX "subl", v->counter, "er", i, "%0", "s");
15378 }
15379
15380 /**
15381 @@ -152,7 +272,19 @@ static inline int atomic_add_negative(int i, atomic_t *v)
15382 *
15383 * Atomically adds @i to @v and returns @i + @v
15384 */
15385 -static inline int atomic_add_return(int i, atomic_t *v)
15386 +static inline int __intentional_overflow(-1) atomic_add_return(int i, atomic_t *v)
15387 +{
15388 + return i + xadd_check_overflow(&v->counter, i);
15389 +}
15390 +
15391 +/**
15392 + * atomic_add_return_unchecked - add integer and return
15393 + * @i: integer value to add
15394 + * @v: pointer of type atomic_unchecked_t
15395 + *
15396 + * Atomically adds @i to @v and returns @i + @v
15397 + */
15398 +static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v)
15399 {
15400 return i + xadd(&v->counter, i);
15401 }
15402 @@ -164,15 +296,24 @@ static inline int atomic_add_return(int i, atomic_t *v)
15403 *
15404 * Atomically subtracts @i from @v and returns @v - @i
15405 */
15406 -static inline int atomic_sub_return(int i, atomic_t *v)
15407 +static inline int __intentional_overflow(-1) atomic_sub_return(int i, atomic_t *v)
15408 {
15409 return atomic_add_return(-i, v);
15410 }
15411
15412 #define atomic_inc_return(v) (atomic_add_return(1, v))
15413 +static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v)
15414 +{
15415 + return atomic_add_return_unchecked(1, v);
15416 +}
15417 #define atomic_dec_return(v) (atomic_sub_return(1, v))
15418
15419 -static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
15420 +static inline int __intentional_overflow(-1) atomic_cmpxchg(atomic_t *v, int old, int new)
15421 +{
15422 + return cmpxchg(&v->counter, old, new);
15423 +}
15424 +
15425 +static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new)
15426 {
15427 return cmpxchg(&v->counter, old, new);
15428 }
15429 @@ -182,6 +323,11 @@ static inline int atomic_xchg(atomic_t *v, int new)
15430 return xchg(&v->counter, new);
15431 }
15432
15433 +static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new)
15434 +{
15435 + return xchg(&v->counter, new);
15436 +}
15437 +
15438 /**
15439 * __atomic_add_unless - add unless the number is already a given value
15440 * @v: pointer of type atomic_t
15441 @@ -191,14 +337,27 @@ static inline int atomic_xchg(atomic_t *v, int new)
15442 * Atomically adds @a to @v, so long as @v was not already @u.
15443 * Returns the old value of @v.
15444 */
15445 -static inline int __atomic_add_unless(atomic_t *v, int a, int u)
15446 +static inline int __intentional_overflow(-1) __atomic_add_unless(atomic_t *v, int a, int u)
15447 {
15448 - int c, old;
15449 + int c, old, new;
15450 c = atomic_read(v);
15451 for (;;) {
15452 - if (unlikely(c == (u)))
15453 + if (unlikely(c == u))
15454 break;
15455 - old = atomic_cmpxchg((v), c, c + (a));
15456 +
15457 + asm volatile("addl %2,%0\n"
15458 +
15459 +#ifdef CONFIG_PAX_REFCOUNT
15460 + "jno 0f\n"
15461 + "subl %2,%0\n"
15462 + "int $4\n0:\n"
15463 + _ASM_EXTABLE(0b, 0b)
15464 +#endif
15465 +
15466 + : "=r" (new)
15467 + : "0" (c), "ir" (a));
15468 +
15469 + old = atomic_cmpxchg(v, c, new);
15470 if (likely(old == c))
15471 break;
15472 c = old;
15473 @@ -207,6 +366,49 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
15474 }
15475
15476 /**
15477 + * atomic_inc_not_zero_hint - increment if not null
15478 + * @v: pointer of type atomic_t
15479 + * @hint: probable value of the atomic before the increment
15480 + *
15481 + * This version of atomic_inc_not_zero() gives a hint of probable
15482 + * value of the atomic. This helps processor to not read the memory
15483 + * before doing the atomic read/modify/write cycle, lowering
15484 + * number of bus transactions on some arches.
15485 + *
15486 + * Returns: 0 if increment was not done, 1 otherwise.
15487 + */
15488 +#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint
15489 +static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
15490 +{
15491 + int val, c = hint, new;
15492 +
15493 + /* sanity test, should be removed by compiler if hint is a constant */
15494 + if (!hint)
15495 + return __atomic_add_unless(v, 1, 0);
15496 +
15497 + do {
15498 + asm volatile("incl %0\n"
15499 +
15500 +#ifdef CONFIG_PAX_REFCOUNT
15501 + "jno 0f\n"
15502 + "decl %0\n"
15503 + "int $4\n0:\n"
15504 + _ASM_EXTABLE(0b, 0b)
15505 +#endif
15506 +
15507 + : "=r" (new)
15508 + : "0" (c));
15509 +
15510 + val = atomic_cmpxchg(v, c, new);
15511 + if (val == c)
15512 + return 1;
15513 + c = val;
15514 + } while (c);
15515 +
15516 + return 0;
15517 +}
15518 +
15519 +/**
15520 * atomic_inc_short - increment of a short integer
15521 * @v: pointer to type int
15522 *
15523 @@ -220,14 +422,37 @@ static inline short int atomic_inc_short(short int *v)
15524 }
15525
15526 /* These are x86-specific, used by some header files */
15527 -#define atomic_clear_mask(mask, addr) \
15528 - asm volatile(LOCK_PREFIX "andl %0,%1" \
15529 - : : "r" (~(mask)), "m" (*(addr)) : "memory")
15530 +static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
15531 +{
15532 + asm volatile(LOCK_PREFIX "andl %1,%0"
15533 + : "+m" (v->counter)
15534 + : "r" (~(mask))
15535 + : "memory");
15536 +}
15537
15538 -#define atomic_set_mask(mask, addr) \
15539 - asm volatile(LOCK_PREFIX "orl %0,%1" \
15540 - : : "r" ((unsigned)(mask)), "m" (*(addr)) \
15541 - : "memory")
15542 +static inline void atomic_clear_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
15543 +{
15544 + asm volatile(LOCK_PREFIX "andl %1,%0"
15545 + : "+m" (v->counter)
15546 + : "r" (~(mask))
15547 + : "memory");
15548 +}
15549 +
15550 +static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
15551 +{
15552 + asm volatile(LOCK_PREFIX "orl %1,%0"
15553 + : "+m" (v->counter)
15554 + : "r" (mask)
15555 + : "memory");
15556 +}
15557 +
15558 +static inline void atomic_set_mask_unchecked(unsigned int mask, atomic_unchecked_t *v)
15559 +{
15560 + asm volatile(LOCK_PREFIX "orl %1,%0"
15561 + : "+m" (v->counter)
15562 + : "r" (mask)
15563 + : "memory");
15564 +}
15565
15566 #ifdef CONFIG_X86_32
15567 # include <asm/atomic64_32.h>
15568 diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h
15569 index b154de7..bf18a5a 100644
15570 --- a/arch/x86/include/asm/atomic64_32.h
15571 +++ b/arch/x86/include/asm/atomic64_32.h
15572 @@ -12,6 +12,14 @@ typedef struct {
15573 u64 __aligned(8) counter;
15574 } atomic64_t;
15575
15576 +#ifdef CONFIG_PAX_REFCOUNT
15577 +typedef struct {
15578 + u64 __aligned(8) counter;
15579 +} atomic64_unchecked_t;
15580 +#else
15581 +typedef atomic64_t atomic64_unchecked_t;
15582 +#endif
15583 +
15584 #define ATOMIC64_INIT(val) { (val) }
15585
15586 #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...)
15587 @@ -37,21 +45,31 @@ typedef struct {
15588 ATOMIC64_DECL_ONE(sym##_386)
15589
15590 ATOMIC64_DECL_ONE(add_386);
15591 +ATOMIC64_DECL_ONE(add_unchecked_386);
15592 ATOMIC64_DECL_ONE(sub_386);
15593 +ATOMIC64_DECL_ONE(sub_unchecked_386);
15594 ATOMIC64_DECL_ONE(inc_386);
15595 +ATOMIC64_DECL_ONE(inc_unchecked_386);
15596 ATOMIC64_DECL_ONE(dec_386);
15597 +ATOMIC64_DECL_ONE(dec_unchecked_386);
15598 #endif
15599
15600 #define alternative_atomic64(f, out, in...) \
15601 __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in)
15602
15603 ATOMIC64_DECL(read);
15604 +ATOMIC64_DECL(read_unchecked);
15605 ATOMIC64_DECL(set);
15606 +ATOMIC64_DECL(set_unchecked);
15607 ATOMIC64_DECL(xchg);
15608 ATOMIC64_DECL(add_return);
15609 +ATOMIC64_DECL(add_return_unchecked);
15610 ATOMIC64_DECL(sub_return);
15611 +ATOMIC64_DECL(sub_return_unchecked);
15612 ATOMIC64_DECL(inc_return);
15613 +ATOMIC64_DECL(inc_return_unchecked);
15614 ATOMIC64_DECL(dec_return);
15615 +ATOMIC64_DECL(dec_return_unchecked);
15616 ATOMIC64_DECL(dec_if_positive);
15617 ATOMIC64_DECL(inc_not_zero);
15618 ATOMIC64_DECL(add_unless);
15619 @@ -77,6 +95,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n
15620 }
15621
15622 /**
15623 + * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable
15624 + * @p: pointer to type atomic64_unchecked_t
15625 + * @o: expected value
15626 + * @n: new value
15627 + *
15628 + * Atomically sets @v to @n if it was equal to @o and returns
15629 + * the old value.
15630 + */
15631 +
15632 +static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n)
15633 +{
15634 + return cmpxchg64(&v->counter, o, n);
15635 +}
15636 +
15637 +/**
15638 * atomic64_xchg - xchg atomic64 variable
15639 * @v: pointer to type atomic64_t
15640 * @n: value to assign
15641 @@ -112,6 +145,22 @@ static inline void atomic64_set(atomic64_t *v, long long i)
15642 }
15643
15644 /**
15645 + * atomic64_set_unchecked - set atomic64 variable
15646 + * @v: pointer to type atomic64_unchecked_t
15647 + * @n: value to assign
15648 + *
15649 + * Atomically sets the value of @v to @n.
15650 + */
15651 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i)
15652 +{
15653 + unsigned high = (unsigned)(i >> 32);
15654 + unsigned low = (unsigned)i;
15655 + alternative_atomic64(set, /* no output */,
15656 + "S" (v), "b" (low), "c" (high)
15657 + : "eax", "edx", "memory");
15658 +}
15659 +
15660 +/**
15661 * atomic64_read - read atomic64 variable
15662 * @v: pointer to type atomic64_t
15663 *
15664 @@ -125,6 +174,19 @@ static inline long long atomic64_read(const atomic64_t *v)
15665 }
15666
15667 /**
15668 + * atomic64_read_unchecked - read atomic64 variable
15669 + * @v: pointer to type atomic64_unchecked_t
15670 + *
15671 + * Atomically reads the value of @v and returns it.
15672 + */
15673 +static inline long long __intentional_overflow(-1) atomic64_read_unchecked(atomic64_unchecked_t *v)
15674 +{
15675 + long long r;
15676 + alternative_atomic64(read, "=&A" (r), "c" (v) : "memory");
15677 + return r;
15678 + }
15679 +
15680 +/**
15681 * atomic64_add_return - add and return
15682 * @i: integer value to add
15683 * @v: pointer to type atomic64_t
15684 @@ -139,6 +201,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v)
15685 return i;
15686 }
15687
15688 +/**
15689 + * atomic64_add_return_unchecked - add and return
15690 + * @i: integer value to add
15691 + * @v: pointer to type atomic64_unchecked_t
15692 + *
15693 + * Atomically adds @i to @v and returns @i + *@v
15694 + */
15695 +static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v)
15696 +{
15697 + alternative_atomic64(add_return_unchecked,
15698 + ASM_OUTPUT2("+A" (i), "+c" (v)),
15699 + ASM_NO_INPUT_CLOBBER("memory"));
15700 + return i;
15701 +}
15702 +
15703 /*
15704 * Other variants with different arithmetic operators:
15705 */
15706 @@ -158,6 +235,14 @@ static inline long long atomic64_inc_return(atomic64_t *v)
15707 return a;
15708 }
15709
15710 +static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
15711 +{
15712 + long long a;
15713 + alternative_atomic64(inc_return_unchecked, "=&A" (a),
15714 + "S" (v) : "memory", "ecx");
15715 + return a;
15716 +}
15717 +
15718 static inline long long atomic64_dec_return(atomic64_t *v)
15719 {
15720 long long a;
15721 @@ -182,6 +267,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v)
15722 }
15723
15724 /**
15725 + * atomic64_add_unchecked - add integer to atomic64 variable
15726 + * @i: integer value to add
15727 + * @v: pointer to type atomic64_unchecked_t
15728 + *
15729 + * Atomically adds @i to @v.
15730 + */
15731 +static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v)
15732 +{
15733 + __alternative_atomic64(add_unchecked, add_return_unchecked,
15734 + ASM_OUTPUT2("+A" (i), "+c" (v)),
15735 + ASM_NO_INPUT_CLOBBER("memory"));
15736 + return i;
15737 +}
15738 +
15739 +/**
15740 * atomic64_sub - subtract the atomic64 variable
15741 * @i: integer value to subtract
15742 * @v: pointer to type atomic64_t
15743 diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
15744 index f8d273e..02f39f3 100644
15745 --- a/arch/x86/include/asm/atomic64_64.h
15746 +++ b/arch/x86/include/asm/atomic64_64.h
15747 @@ -22,6 +22,18 @@ static inline long atomic64_read(const atomic64_t *v)
15748 }
15749
15750 /**
15751 + * atomic64_read_unchecked - read atomic64 variable
15752 + * @v: pointer of type atomic64_unchecked_t
15753 + *
15754 + * Atomically reads the value of @v.
15755 + * Doesn't imply a read memory barrier.
15756 + */
15757 +static inline long __intentional_overflow(-1) atomic64_read_unchecked(const atomic64_unchecked_t *v)
15758 +{
15759 + return ACCESS_ONCE((v)->counter);
15760 +}
15761 +
15762 +/**
15763 * atomic64_set - set atomic64 variable
15764 * @v: pointer to type atomic64_t
15765 * @i: required value
15766 @@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i)
15767 }
15768
15769 /**
15770 + * atomic64_set_unchecked - set atomic64 variable
15771 + * @v: pointer to type atomic64_unchecked_t
15772 + * @i: required value
15773 + *
15774 + * Atomically sets the value of @v to @i.
15775 + */
15776 +static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i)
15777 +{
15778 + v->counter = i;
15779 +}
15780 +
15781 +/**
15782 * atomic64_add - add integer to atomic64 variable
15783 * @i: integer value to add
15784 * @v: pointer to type atomic64_t
15785 @@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64_t *v, long i)
15786 */
15787 static inline void atomic64_add(long i, atomic64_t *v)
15788 {
15789 + asm volatile(LOCK_PREFIX "addq %1,%0\n"
15790 +
15791 +#ifdef CONFIG_PAX_REFCOUNT
15792 + "jno 0f\n"
15793 + LOCK_PREFIX "subq %1,%0\n"
15794 + "int $4\n0:\n"
15795 + _ASM_EXTABLE(0b, 0b)
15796 +#endif
15797 +
15798 + : "=m" (v->counter)
15799 + : "er" (i), "m" (v->counter));
15800 +}
15801 +
15802 +/**
15803 + * atomic64_add_unchecked - add integer to atomic64 variable
15804 + * @i: integer value to add
15805 + * @v: pointer to type atomic64_unchecked_t
15806 + *
15807 + * Atomically adds @i to @v.
15808 + */
15809 +static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v)
15810 +{
15811 asm volatile(LOCK_PREFIX "addq %1,%0"
15812 : "=m" (v->counter)
15813 : "er" (i), "m" (v->counter));
15814 @@ -56,7 +102,29 @@ static inline void atomic64_add(long i, atomic64_t *v)
15815 */
15816 static inline void atomic64_sub(long i, atomic64_t *v)
15817 {
15818 - asm volatile(LOCK_PREFIX "subq %1,%0"
15819 + asm volatile(LOCK_PREFIX "subq %1,%0\n"
15820 +
15821 +#ifdef CONFIG_PAX_REFCOUNT
15822 + "jno 0f\n"
15823 + LOCK_PREFIX "addq %1,%0\n"
15824 + "int $4\n0:\n"
15825 + _ASM_EXTABLE(0b, 0b)
15826 +#endif
15827 +
15828 + : "=m" (v->counter)
15829 + : "er" (i), "m" (v->counter));
15830 +}
15831 +
15832 +/**
15833 + * atomic64_sub_unchecked - subtract the atomic64 variable
15834 + * @i: integer value to subtract
15835 + * @v: pointer to type atomic64_unchecked_t
15836 + *
15837 + * Atomically subtracts @i from @v.
15838 + */
15839 +static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v)
15840 +{
15841 + asm volatile(LOCK_PREFIX "subq %1,%0\n"
15842 : "=m" (v->counter)
15843 : "er" (i), "m" (v->counter));
15844 }
15845 @@ -72,7 +140,7 @@ static inline void atomic64_sub(long i, atomic64_t *v)
15846 */
15847 static inline int atomic64_sub_and_test(long i, atomic64_t *v)
15848 {
15849 - GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", "e");
15850 + GEN_BINARY_RMWcc(LOCK_PREFIX "subq", LOCK_PREFIX "addq", v->counter, "er", i, "%0", "e");
15851 }
15852
15853 /**
15854 @@ -83,6 +151,27 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v)
15855 */
15856 static inline void atomic64_inc(atomic64_t *v)
15857 {
15858 + asm volatile(LOCK_PREFIX "incq %0\n"
15859 +
15860 +#ifdef CONFIG_PAX_REFCOUNT
15861 + "jno 0f\n"
15862 + LOCK_PREFIX "decq %0\n"
15863 + "int $4\n0:\n"
15864 + _ASM_EXTABLE(0b, 0b)
15865 +#endif
15866 +
15867 + : "=m" (v->counter)
15868 + : "m" (v->counter));
15869 +}
15870 +
15871 +/**
15872 + * atomic64_inc_unchecked - increment atomic64 variable
15873 + * @v: pointer to type atomic64_unchecked_t
15874 + *
15875 + * Atomically increments @v by 1.
15876 + */
15877 +static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v)
15878 +{
15879 asm volatile(LOCK_PREFIX "incq %0"
15880 : "=m" (v->counter)
15881 : "m" (v->counter));
15882 @@ -96,7 +185,28 @@ static inline void atomic64_inc(atomic64_t *v)
15883 */
15884 static inline void atomic64_dec(atomic64_t *v)
15885 {
15886 - asm volatile(LOCK_PREFIX "decq %0"
15887 + asm volatile(LOCK_PREFIX "decq %0\n"
15888 +
15889 +#ifdef CONFIG_PAX_REFCOUNT
15890 + "jno 0f\n"
15891 + LOCK_PREFIX "incq %0\n"
15892 + "int $4\n0:\n"
15893 + _ASM_EXTABLE(0b, 0b)
15894 +#endif
15895 +
15896 + : "=m" (v->counter)
15897 + : "m" (v->counter));
15898 +}
15899 +
15900 +/**
15901 + * atomic64_dec_unchecked - decrement atomic64 variable
15902 + * @v: pointer to type atomic64_t
15903 + *
15904 + * Atomically decrements @v by 1.
15905 + */
15906 +static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v)
15907 +{
15908 + asm volatile(LOCK_PREFIX "decq %0\n"
15909 : "=m" (v->counter)
15910 : "m" (v->counter));
15911 }
15912 @@ -111,7 +221,7 @@ static inline void atomic64_dec(atomic64_t *v)
15913 */
15914 static inline int atomic64_dec_and_test(atomic64_t *v)
15915 {
15916 - GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, "%0", "e");
15917 + GEN_UNARY_RMWcc(LOCK_PREFIX "decq", LOCK_PREFIX "incq", v->counter, "%0", "e");
15918 }
15919
15920 /**
15921 @@ -124,7 +234,7 @@ static inline int atomic64_dec_and_test(atomic64_t *v)
15922 */
15923 static inline int atomic64_inc_and_test(atomic64_t *v)
15924 {
15925 - GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, "%0", "e");
15926 + GEN_UNARY_RMWcc(LOCK_PREFIX "incq", LOCK_PREFIX "decq", v->counter, "%0", "e");
15927 }
15928
15929 /**
15930 @@ -138,7 +248,7 @@ static inline int atomic64_inc_and_test(atomic64_t *v)
15931 */
15932 static inline int atomic64_add_negative(long i, atomic64_t *v)
15933 {
15934 - GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", "s");
15935 + GEN_BINARY_RMWcc(LOCK_PREFIX "addq", LOCK_PREFIX "subq", v->counter, "er", i, "%0", "s");
15936 }
15937
15938 /**
15939 @@ -150,6 +260,18 @@ static inline int atomic64_add_negative(long i, atomic64_t *v)
15940 */
15941 static inline long atomic64_add_return(long i, atomic64_t *v)
15942 {
15943 + return i + xadd_check_overflow(&v->counter, i);
15944 +}
15945 +
15946 +/**
15947 + * atomic64_add_return_unchecked - add and return
15948 + * @i: integer value to add
15949 + * @v: pointer to type atomic64_unchecked_t
15950 + *
15951 + * Atomically adds @i to @v and returns @i + @v
15952 + */
15953 +static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v)
15954 +{
15955 return i + xadd(&v->counter, i);
15956 }
15957
15958 @@ -159,6 +281,10 @@ static inline long atomic64_sub_return(long i, atomic64_t *v)
15959 }
15960
15961 #define atomic64_inc_return(v) (atomic64_add_return(1, (v)))
15962 +static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v)
15963 +{
15964 + return atomic64_add_return_unchecked(1, v);
15965 +}
15966 #define atomic64_dec_return(v) (atomic64_sub_return(1, (v)))
15967
15968 static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
15969 @@ -166,6 +292,11 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
15970 return cmpxchg(&v->counter, old, new);
15971 }
15972
15973 +static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new)
15974 +{
15975 + return cmpxchg(&v->counter, old, new);
15976 +}
15977 +
15978 static inline long atomic64_xchg(atomic64_t *v, long new)
15979 {
15980 return xchg(&v->counter, new);
15981 @@ -182,17 +313,30 @@ static inline long atomic64_xchg(atomic64_t *v, long new)
15982 */
15983 static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
15984 {
15985 - long c, old;
15986 + long c, old, new;
15987 c = atomic64_read(v);
15988 for (;;) {
15989 - if (unlikely(c == (u)))
15990 + if (unlikely(c == u))
15991 break;
15992 - old = atomic64_cmpxchg((v), c, c + (a));
15993 +
15994 + asm volatile("add %2,%0\n"
15995 +
15996 +#ifdef CONFIG_PAX_REFCOUNT
15997 + "jno 0f\n"
15998 + "sub %2,%0\n"
15999 + "int $4\n0:\n"
16000 + _ASM_EXTABLE(0b, 0b)
16001 +#endif
16002 +
16003 + : "=r" (new)
16004 + : "0" (c), "ir" (a));
16005 +
16006 + old = atomic64_cmpxchg(v, c, new);
16007 if (likely(old == c))
16008 break;
16009 c = old;
16010 }
16011 - return c != (u);
16012 + return c != u;
16013 }
16014
16015 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
16016 diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
16017 index 0f4460b..fa1ee19 100644
16018 --- a/arch/x86/include/asm/barrier.h
16019 +++ b/arch/x86/include/asm/barrier.h
16020 @@ -107,7 +107,7 @@
16021 do { \
16022 compiletime_assert_atomic_type(*p); \
16023 smp_mb(); \
16024 - ACCESS_ONCE(*p) = (v); \
16025 + ACCESS_ONCE_RW(*p) = (v); \
16026 } while (0)
16027
16028 #define smp_load_acquire(p) \
16029 @@ -124,7 +124,7 @@ do { \
16030 do { \
16031 compiletime_assert_atomic_type(*p); \
16032 barrier(); \
16033 - ACCESS_ONCE(*p) = (v); \
16034 + ACCESS_ONCE_RW(*p) = (v); \
16035 } while (0)
16036
16037 #define smp_load_acquire(p) \
16038 diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
16039 index cfe3b95..d01b118 100644
16040 --- a/arch/x86/include/asm/bitops.h
16041 +++ b/arch/x86/include/asm/bitops.h
16042 @@ -50,7 +50,7 @@
16043 * a mask operation on a byte.
16044 */
16045 #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr))
16046 -#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3))
16047 +#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3))
16048 #define CONST_MASK(nr) (1 << ((nr) & 7))
16049
16050 /**
16051 @@ -203,7 +203,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr)
16052 */
16053 static inline int test_and_set_bit(long nr, volatile unsigned long *addr)
16054 {
16055 - GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c");
16056 + GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c");
16057 }
16058
16059 /**
16060 @@ -249,7 +249,7 @@ static inline int __test_and_set_bit(long nr, volatile unsigned long *addr)
16061 */
16062 static inline int test_and_clear_bit(long nr, volatile unsigned long *addr)
16063 {
16064 - GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c");
16065 + GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c");
16066 }
16067
16068 /**
16069 @@ -302,7 +302,7 @@ static inline int __test_and_change_bit(long nr, volatile unsigned long *addr)
16070 */
16071 static inline int test_and_change_bit(long nr, volatile unsigned long *addr)
16072 {
16073 - GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c");
16074 + GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c");
16075 }
16076
16077 static __always_inline int constant_test_bit(long nr, const volatile unsigned long *addr)
16078 @@ -343,7 +343,7 @@ static int test_bit(int nr, const volatile unsigned long *addr);
16079 *
16080 * Undefined if no bit exists, so code should check against 0 first.
16081 */
16082 -static inline unsigned long __ffs(unsigned long word)
16083 +static inline unsigned long __intentional_overflow(-1) __ffs(unsigned long word)
16084 {
16085 asm("rep; bsf %1,%0"
16086 : "=r" (word)
16087 @@ -357,7 +357,7 @@ static inline unsigned long __ffs(unsigned long word)
16088 *
16089 * Undefined if no zero exists, so code should check against ~0UL first.
16090 */
16091 -static inline unsigned long ffz(unsigned long word)
16092 +static inline unsigned long __intentional_overflow(-1) ffz(unsigned long word)
16093 {
16094 asm("rep; bsf %1,%0"
16095 : "=r" (word)
16096 @@ -371,7 +371,7 @@ static inline unsigned long ffz(unsigned long word)
16097 *
16098 * Undefined if no set bit exists, so code should check against 0 first.
16099 */
16100 -static inline unsigned long __fls(unsigned long word)
16101 +static inline unsigned long __intentional_overflow(-1) __fls(unsigned long word)
16102 {
16103 asm("bsr %1,%0"
16104 : "=r" (word)
16105 @@ -434,7 +434,7 @@ static inline int ffs(int x)
16106 * set bit if value is nonzero. The last (most significant) bit is
16107 * at position 32.
16108 */
16109 -static inline int fls(int x)
16110 +static inline int __intentional_overflow(-1) fls(int x)
16111 {
16112 int r;
16113
16114 @@ -476,7 +476,7 @@ static inline int fls(int x)
16115 * at position 64.
16116 */
16117 #ifdef CONFIG_X86_64
16118 -static __always_inline int fls64(__u64 x)
16119 +static __always_inline __intentional_overflow(-1) int fls64(__u64 x)
16120 {
16121 int bitpos = -1;
16122 /*
16123 diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
16124 index 4fa687a..60f2d39 100644
16125 --- a/arch/x86/include/asm/boot.h
16126 +++ b/arch/x86/include/asm/boot.h
16127 @@ -6,10 +6,15 @@
16128 #include <uapi/asm/boot.h>
16129
16130 /* Physical address where kernel should be loaded. */
16131 -#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
16132 +#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
16133 + (CONFIG_PHYSICAL_ALIGN - 1)) \
16134 & ~(CONFIG_PHYSICAL_ALIGN - 1))
16135
16136 +#ifndef __ASSEMBLY__
16137 +extern unsigned char __LOAD_PHYSICAL_ADDR[];
16138 +#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR)
16139 +#endif
16140 +
16141 /* Minimum kernel alignment, as a power of two */
16142 #ifdef CONFIG_X86_64
16143 #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
16144 diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
16145 index 48f99f1..d78ebf9 100644
16146 --- a/arch/x86/include/asm/cache.h
16147 +++ b/arch/x86/include/asm/cache.h
16148 @@ -5,12 +5,13 @@
16149
16150 /* L1 cache line size */
16151 #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
16152 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
16153 +#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT)
16154
16155 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
16156 +#define __read_only __attribute__((__section__(".data..read_only")))
16157
16158 #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
16159 -#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
16160 +#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT)
16161
16162 #ifdef CONFIG_X86_VSMP
16163 #ifdef CONFIG_SMP
16164 diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
16165 index 9863ee3..4a1f8e1 100644
16166 --- a/arch/x86/include/asm/cacheflush.h
16167 +++ b/arch/x86/include/asm/cacheflush.h
16168 @@ -27,7 +27,7 @@ static inline unsigned long get_page_memtype(struct page *pg)
16169 unsigned long pg_flags = pg->flags & _PGMT_MASK;
16170
16171 if (pg_flags == _PGMT_DEFAULT)
16172 - return -1;
16173 + return ~0UL;
16174 else if (pg_flags == _PGMT_WC)
16175 return _PAGE_CACHE_WC;
16176 else if (pg_flags == _PGMT_UC_MINUS)
16177 diff --git a/arch/x86/include/asm/calling.h b/arch/x86/include/asm/calling.h
16178 index 76659b6..72b8439 100644
16179 --- a/arch/x86/include/asm/calling.h
16180 +++ b/arch/x86/include/asm/calling.h
16181 @@ -82,107 +82,117 @@ For 32-bit we have the following conventions - kernel is built with
16182 #define RSP 152
16183 #define SS 160
16184
16185 -#define ARGOFFSET R11
16186 -#define SWFRAME ORIG_RAX
16187 +#define ARGOFFSET R15
16188
16189 .macro SAVE_ARGS addskip=0, save_rcx=1, save_r891011=1, rax_enosys=0
16190 - subq $9*8+\addskip, %rsp
16191 - CFI_ADJUST_CFA_OFFSET 9*8+\addskip
16192 - movq_cfi rdi, 8*8
16193 - movq_cfi rsi, 7*8
16194 - movq_cfi rdx, 6*8
16195 + subq $ORIG_RAX-ARGOFFSET+\addskip, %rsp
16196 + CFI_ADJUST_CFA_OFFSET ORIG_RAX-ARGOFFSET+\addskip
16197 + movq_cfi rdi, RDI
16198 + movq_cfi rsi, RSI
16199 + movq_cfi rdx, RDX
16200
16201 .if \save_rcx
16202 - movq_cfi rcx, 5*8
16203 + movq_cfi rcx, RCX
16204 .endif
16205
16206 .if \rax_enosys
16207 - movq $-ENOSYS, 4*8(%rsp)
16208 + movq $-ENOSYS, RAX(%rsp)
16209 .else
16210 - movq_cfi rax, 4*8
16211 + movq_cfi rax, RAX
16212 .endif
16213
16214 .if \save_r891011
16215 - movq_cfi r8, 3*8
16216 - movq_cfi r9, 2*8
16217 - movq_cfi r10, 1*8
16218 - movq_cfi r11, 0*8
16219 + movq_cfi r8, R8
16220 + movq_cfi r9, R9
16221 + movq_cfi r10, R10
16222 + movq_cfi r11, R11
16223 .endif
16224
16225 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
16226 + movq_cfi r12, R12
16227 +#endif
16228 +
16229 .endm
16230
16231 -#define ARG_SKIP (9*8)
16232 +#define ARG_SKIP ORIG_RAX
16233
16234 .macro RESTORE_ARGS rstor_rax=1, addskip=0, rstor_rcx=1, rstor_r11=1, \
16235 rstor_r8910=1, rstor_rdx=1
16236 +
16237 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
16238 + movq_cfi_restore R12, r12
16239 +#endif
16240 +
16241 .if \rstor_r11
16242 - movq_cfi_restore 0*8, r11
16243 + movq_cfi_restore R11, r11
16244 .endif
16245
16246 .if \rstor_r8910
16247 - movq_cfi_restore 1*8, r10
16248 - movq_cfi_restore 2*8, r9
16249 - movq_cfi_restore 3*8, r8
16250 + movq_cfi_restore R10, r10
16251 + movq_cfi_restore R9, r9
16252 + movq_cfi_restore R8, r8
16253 .endif
16254
16255 .if \rstor_rax
16256 - movq_cfi_restore 4*8, rax
16257 + movq_cfi_restore RAX, rax
16258 .endif
16259
16260 .if \rstor_rcx
16261 - movq_cfi_restore 5*8, rcx
16262 + movq_cfi_restore RCX, rcx
16263 .endif
16264
16265 .if \rstor_rdx
16266 - movq_cfi_restore 6*8, rdx
16267 + movq_cfi_restore RDX, rdx
16268 .endif
16269
16270 - movq_cfi_restore 7*8, rsi
16271 - movq_cfi_restore 8*8, rdi
16272 + movq_cfi_restore RSI, rsi
16273 + movq_cfi_restore RDI, rdi
16274
16275 - .if ARG_SKIP+\addskip > 0
16276 - addq $ARG_SKIP+\addskip, %rsp
16277 - CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip)
16278 + .if ORIG_RAX+\addskip > 0
16279 + addq $ORIG_RAX+\addskip, %rsp
16280 + CFI_ADJUST_CFA_OFFSET -(ORIG_RAX+\addskip)
16281 .endif
16282 .endm
16283
16284 - .macro LOAD_ARGS offset, skiprax=0
16285 - movq \offset(%rsp), %r11
16286 - movq \offset+8(%rsp), %r10
16287 - movq \offset+16(%rsp), %r9
16288 - movq \offset+24(%rsp), %r8
16289 - movq \offset+40(%rsp), %rcx
16290 - movq \offset+48(%rsp), %rdx
16291 - movq \offset+56(%rsp), %rsi
16292 - movq \offset+64(%rsp), %rdi
16293 + .macro LOAD_ARGS skiprax=0
16294 + movq R11(%rsp), %r11
16295 + movq R10(%rsp), %r10
16296 + movq R9(%rsp), %r9
16297 + movq R8(%rsp), %r8
16298 + movq RCX(%rsp), %rcx
16299 + movq RDX(%rsp), %rdx
16300 + movq RSI(%rsp), %rsi
16301 + movq RDI(%rsp), %rdi
16302 .if \skiprax
16303 .else
16304 - movq \offset+72(%rsp), %rax
16305 + movq ORIG_RAX(%rsp), %rax
16306 .endif
16307 .endm
16308
16309 -#define REST_SKIP (6*8)
16310 -
16311 .macro SAVE_REST
16312 - subq $REST_SKIP, %rsp
16313 - CFI_ADJUST_CFA_OFFSET REST_SKIP
16314 - movq_cfi rbx, 5*8
16315 - movq_cfi rbp, 4*8
16316 - movq_cfi r12, 3*8
16317 - movq_cfi r13, 2*8
16318 - movq_cfi r14, 1*8
16319 - movq_cfi r15, 0*8
16320 + movq_cfi rbx, RBX
16321 + movq_cfi rbp, RBP
16322 +
16323 +#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
16324 + movq_cfi r12, R12
16325 +#endif
16326 +
16327 + movq_cfi r13, R13
16328 + movq_cfi r14, R14
16329 + movq_cfi r15, R15
16330 .endm
16331
16332 .macro RESTORE_REST
16333 - movq_cfi_restore 0*8, r15
16334 - movq_cfi_restore 1*8, r14
16335 - movq_cfi_restore 2*8, r13
16336 - movq_cfi_restore 3*8, r12
16337 - movq_cfi_restore 4*8, rbp
16338 - movq_cfi_restore 5*8, rbx
16339 - addq $REST_SKIP, %rsp
16340 - CFI_ADJUST_CFA_OFFSET -(REST_SKIP)
16341 + movq_cfi_restore R15, r15
16342 + movq_cfi_restore R14, r14
16343 + movq_cfi_restore R13, r13
16344 +
16345 +#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
16346 + movq_cfi_restore R12, r12
16347 +#endif
16348 +
16349 + movq_cfi_restore RBP, rbp
16350 + movq_cfi_restore RBX, rbx
16351 .endm
16352
16353 .macro SAVE_ALL
16354 diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
16355 index f50de69..2b0a458 100644
16356 --- a/arch/x86/include/asm/checksum_32.h
16357 +++ b/arch/x86/include/asm/checksum_32.h
16358 @@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
16359 int len, __wsum sum,
16360 int *src_err_ptr, int *dst_err_ptr);
16361
16362 +asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst,
16363 + int len, __wsum sum,
16364 + int *src_err_ptr, int *dst_err_ptr);
16365 +
16366 +asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst,
16367 + int len, __wsum sum,
16368 + int *src_err_ptr, int *dst_err_ptr);
16369 +
16370 /*
16371 * Note: when you get a NULL pointer exception here this means someone
16372 * passed in an incorrect kernel address to one of these functions.
16373 @@ -53,7 +61,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src,
16374
16375 might_sleep();
16376 stac();
16377 - ret = csum_partial_copy_generic((__force void *)src, dst,
16378 + ret = csum_partial_copy_generic_from_user((__force void *)src, dst,
16379 len, sum, err_ptr, NULL);
16380 clac();
16381
16382 @@ -187,7 +195,7 @@ static inline __wsum csum_and_copy_to_user(const void *src,
16383 might_sleep();
16384 if (access_ok(VERIFY_WRITE, dst, len)) {
16385 stac();
16386 - ret = csum_partial_copy_generic(src, (__force void *)dst,
16387 + ret = csum_partial_copy_generic_to_user(src, (__force void *)dst,
16388 len, sum, NULL, err_ptr);
16389 clac();
16390 return ret;
16391 diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
16392 index 99c105d7..2f667ac 100644
16393 --- a/arch/x86/include/asm/cmpxchg.h
16394 +++ b/arch/x86/include/asm/cmpxchg.h
16395 @@ -16,8 +16,12 @@ extern void __cmpxchg_wrong_size(void)
16396 __compiletime_error("Bad argument size for cmpxchg");
16397 extern void __xadd_wrong_size(void)
16398 __compiletime_error("Bad argument size for xadd");
16399 +extern void __xadd_check_overflow_wrong_size(void)
16400 + __compiletime_error("Bad argument size for xadd_check_overflow");
16401 extern void __add_wrong_size(void)
16402 __compiletime_error("Bad argument size for add");
16403 +extern void __add_check_overflow_wrong_size(void)
16404 + __compiletime_error("Bad argument size for add_check_overflow");
16405
16406 /*
16407 * Constants for operation sizes. On 32-bit, the 64-bit size it set to
16408 @@ -69,6 +73,38 @@ extern void __add_wrong_size(void)
16409 __ret; \
16410 })
16411
16412 +#ifdef CONFIG_PAX_REFCOUNT
16413 +#define __xchg_op_check_overflow(ptr, arg, op, lock) \
16414 + ({ \
16415 + __typeof__ (*(ptr)) __ret = (arg); \
16416 + switch (sizeof(*(ptr))) { \
16417 + case __X86_CASE_L: \
16418 + asm volatile (lock #op "l %0, %1\n" \
16419 + "jno 0f\n" \
16420 + "mov %0,%1\n" \
16421 + "int $4\n0:\n" \
16422 + _ASM_EXTABLE(0b, 0b) \
16423 + : "+r" (__ret), "+m" (*(ptr)) \
16424 + : : "memory", "cc"); \
16425 + break; \
16426 + case __X86_CASE_Q: \
16427 + asm volatile (lock #op "q %q0, %1\n" \
16428 + "jno 0f\n" \
16429 + "mov %0,%1\n" \
16430 + "int $4\n0:\n" \
16431 + _ASM_EXTABLE(0b, 0b) \
16432 + : "+r" (__ret), "+m" (*(ptr)) \
16433 + : : "memory", "cc"); \
16434 + break; \
16435 + default: \
16436 + __ ## op ## _check_overflow_wrong_size(); \
16437 + } \
16438 + __ret; \
16439 + })
16440 +#else
16441 +#define __xchg_op_check_overflow(ptr, arg, op, lock) __xchg_op(ptr, arg, op, lock)
16442 +#endif
16443 +
16444 /*
16445 * Note: no "lock" prefix even on SMP: xchg always implies lock anyway.
16446 * Since this is generally used to protect other memory information, we
16447 @@ -167,6 +203,9 @@ extern void __add_wrong_size(void)
16448 #define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ")
16449 #define xadd_local(ptr, inc) __xadd((ptr), (inc), "")
16450
16451 +#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock)
16452 +#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX)
16453 +
16454 #define __add(ptr, inc, lock) \
16455 ({ \
16456 __typeof__ (*(ptr)) __ret = (inc); \
16457 diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
16458 index 59c6c40..5e0b22c 100644
16459 --- a/arch/x86/include/asm/compat.h
16460 +++ b/arch/x86/include/asm/compat.h
16461 @@ -41,7 +41,7 @@ typedef s64 __attribute__((aligned(4))) compat_s64;
16462 typedef u32 compat_uint_t;
16463 typedef u32 compat_ulong_t;
16464 typedef u64 __attribute__((aligned(4))) compat_u64;
16465 -typedef u32 compat_uptr_t;
16466 +typedef u32 __user compat_uptr_t;
16467
16468 struct compat_timespec {
16469 compat_time_t tv_sec;
16470 diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
16471 index 0bb1335..8f1aec7 100644
16472 --- a/arch/x86/include/asm/cpufeature.h
16473 +++ b/arch/x86/include/asm/cpufeature.h
16474 @@ -207,7 +207,7 @@
16475 #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */
16476 #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */
16477 #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */
16478 -
16479 +#define X86_FEATURE_STRONGUDEREF (8*32+31) /* PaX PCID based strong UDEREF */
16480
16481 /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
16482 #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/
16483 @@ -215,7 +215,7 @@
16484 #define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */
16485 #define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */
16486 #define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */
16487 -#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */
16488 +#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Prevention */
16489 #define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */
16490 #define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */
16491 #define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */
16492 @@ -383,6 +383,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
16493 #define cpu_has_cx16 boot_cpu_has(X86_FEATURE_CX16)
16494 #define cpu_has_eager_fpu boot_cpu_has(X86_FEATURE_EAGER_FPU)
16495 #define cpu_has_topoext boot_cpu_has(X86_FEATURE_TOPOEXT)
16496 +#define cpu_has_pcid boot_cpu_has(X86_FEATURE_PCID)
16497
16498 #if __GNUC__ >= 4
16499 extern void warn_pre_alternatives(void);
16500 @@ -434,7 +435,8 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
16501
16502 #ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS
16503 t_warn:
16504 - warn_pre_alternatives();
16505 + if (bit != X86_FEATURE_PCID && bit != X86_FEATURE_INVPCID)
16506 + warn_pre_alternatives();
16507 return false;
16508 #endif
16509
16510 @@ -454,7 +456,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
16511 ".section .discard,\"aw\",@progbits\n"
16512 " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
16513 ".previous\n"
16514 - ".section .altinstr_replacement,\"ax\"\n"
16515 + ".section .altinstr_replacement,\"a\"\n"
16516 "3: movb $1,%0\n"
16517 "4:\n"
16518 ".previous\n"
16519 @@ -491,7 +493,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
16520 " .byte 2b - 1b\n" /* src len */
16521 " .byte 4f - 3f\n" /* repl len */
16522 ".previous\n"
16523 - ".section .altinstr_replacement,\"ax\"\n"
16524 + ".section .altinstr_replacement,\"a\"\n"
16525 "3: .byte 0xe9\n .long %l[t_no] - 2b\n"
16526 "4:\n"
16527 ".previous\n"
16528 @@ -524,7 +526,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
16529 ".section .discard,\"aw\",@progbits\n"
16530 " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */
16531 ".previous\n"
16532 - ".section .altinstr_replacement,\"ax\"\n"
16533 + ".section .altinstr_replacement,\"a\"\n"
16534 "3: movb $0,%0\n"
16535 "4:\n"
16536 ".previous\n"
16537 @@ -538,7 +540,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit)
16538 ".section .discard,\"aw\",@progbits\n"
16539 " .byte 0xff + (6f-5f) - (4b-3b)\n" /* size check */
16540 ".previous\n"
16541 - ".section .altinstr_replacement,\"ax\"\n"
16542 + ".section .altinstr_replacement,\"a\"\n"
16543 "5: movb $1,%0\n"
16544 "6:\n"
16545 ".previous\n"
16546 diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
16547 index a94b82e..59ecefa 100644
16548 --- a/arch/x86/include/asm/desc.h
16549 +++ b/arch/x86/include/asm/desc.h
16550 @@ -4,6 +4,7 @@
16551 #include <asm/desc_defs.h>
16552 #include <asm/ldt.h>
16553 #include <asm/mmu.h>
16554 +#include <asm/pgtable.h>
16555
16556 #include <linux/smp.h>
16557 #include <linux/percpu.h>
16558 @@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
16559
16560 desc->type = (info->read_exec_only ^ 1) << 1;
16561 desc->type |= info->contents << 2;
16562 + desc->type |= info->seg_not_present ^ 1;
16563
16564 desc->s = 1;
16565 desc->dpl = 0x3;
16566 @@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in
16567 }
16568
16569 extern struct desc_ptr idt_descr;
16570 -extern gate_desc idt_table[];
16571 -extern struct desc_ptr debug_idt_descr;
16572 -extern gate_desc debug_idt_table[];
16573 -
16574 -struct gdt_page {
16575 - struct desc_struct gdt[GDT_ENTRIES];
16576 -} __attribute__((aligned(PAGE_SIZE)));
16577 -
16578 -DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page);
16579 +extern gate_desc idt_table[IDT_ENTRIES];
16580 +extern const struct desc_ptr debug_idt_descr;
16581 +extern gate_desc debug_idt_table[IDT_ENTRIES];
16582
16583 +extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)];
16584 static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
16585 {
16586 - return per_cpu(gdt_page, cpu).gdt;
16587 + return cpu_gdt_table[cpu];
16588 }
16589
16590 #ifdef CONFIG_X86_64
16591 @@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type,
16592 unsigned long base, unsigned dpl, unsigned flags,
16593 unsigned short seg)
16594 {
16595 - gate->a = (seg << 16) | (base & 0xffff);
16596 - gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8);
16597 + gate->gate.offset_low = base;
16598 + gate->gate.seg = seg;
16599 + gate->gate.reserved = 0;
16600 + gate->gate.type = type;
16601 + gate->gate.s = 0;
16602 + gate->gate.dpl = dpl;
16603 + gate->gate.p = 1;
16604 + gate->gate.offset_high = base >> 16;
16605 }
16606
16607 #endif
16608 @@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
16609
16610 static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate)
16611 {
16612 + pax_open_kernel();
16613 memcpy(&idt[entry], gate, sizeof(*gate));
16614 + pax_close_kernel();
16615 }
16616
16617 static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc)
16618 {
16619 + pax_open_kernel();
16620 memcpy(&ldt[entry], desc, 8);
16621 + pax_close_kernel();
16622 }
16623
16624 static inline void
16625 @@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int
16626 default: size = sizeof(*gdt); break;
16627 }
16628
16629 + pax_open_kernel();
16630 memcpy(&gdt[entry], desc, size);
16631 + pax_close_kernel();
16632 }
16633
16634 static inline void pack_descriptor(struct desc_struct *desc, unsigned long base,
16635 @@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
16636
16637 static inline void native_load_tr_desc(void)
16638 {
16639 + pax_open_kernel();
16640 asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8));
16641 + pax_close_kernel();
16642 }
16643
16644 static inline void native_load_gdt(const struct desc_ptr *dtr)
16645 @@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
16646 struct desc_struct *gdt = get_cpu_gdt_table(cpu);
16647 unsigned int i;
16648
16649 + pax_open_kernel();
16650 for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
16651 gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i];
16652 + pax_close_kernel();
16653 }
16654
16655 /* This intentionally ignores lm, since 32-bit apps don't have that field. */
16656 @@ -295,7 +308,7 @@ static inline void load_LDT(mm_context_t *pc)
16657 preempt_enable();
16658 }
16659
16660 -static inline unsigned long get_desc_base(const struct desc_struct *desc)
16661 +static inline unsigned long __intentional_overflow(-1) get_desc_base(const struct desc_struct *desc)
16662 {
16663 return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24));
16664 }
16665 @@ -319,7 +332,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit)
16666 }
16667
16668 #ifdef CONFIG_X86_64
16669 -static inline void set_nmi_gate(int gate, void *addr)
16670 +static inline void set_nmi_gate(int gate, const void *addr)
16671 {
16672 gate_desc s;
16673
16674 @@ -329,14 +342,14 @@ static inline void set_nmi_gate(int gate, void *addr)
16675 #endif
16676
16677 #ifdef CONFIG_TRACING
16678 -extern struct desc_ptr trace_idt_descr;
16679 -extern gate_desc trace_idt_table[];
16680 +extern const struct desc_ptr trace_idt_descr;
16681 +extern gate_desc trace_idt_table[IDT_ENTRIES];
16682 static inline void write_trace_idt_entry(int entry, const gate_desc *gate)
16683 {
16684 write_idt_entry(trace_idt_table, entry, gate);
16685 }
16686
16687 -static inline void _trace_set_gate(int gate, unsigned type, void *addr,
16688 +static inline void _trace_set_gate(int gate, unsigned type, const void *addr,
16689 unsigned dpl, unsigned ist, unsigned seg)
16690 {
16691 gate_desc s;
16692 @@ -356,7 +369,7 @@ static inline void write_trace_idt_entry(int entry, const gate_desc *gate)
16693 #define _trace_set_gate(gate, type, addr, dpl, ist, seg)
16694 #endif
16695
16696 -static inline void _set_gate(int gate, unsigned type, void *addr,
16697 +static inline void _set_gate(int gate, unsigned type, const void *addr,
16698 unsigned dpl, unsigned ist, unsigned seg)
16699 {
16700 gate_desc s;
16701 @@ -379,9 +392,9 @@ static inline void _set_gate(int gate, unsigned type, void *addr,
16702 #define set_intr_gate(n, addr) \
16703 do { \
16704 BUG_ON((unsigned)n > 0xFF); \
16705 - _set_gate(n, GATE_INTERRUPT, (void *)addr, 0, 0, \
16706 + _set_gate(n, GATE_INTERRUPT, (const void *)addr, 0, 0, \
16707 __KERNEL_CS); \
16708 - _trace_set_gate(n, GATE_INTERRUPT, (void *)trace_##addr,\
16709 + _trace_set_gate(n, GATE_INTERRUPT, (const void *)trace_##addr,\
16710 0, 0, __KERNEL_CS); \
16711 } while (0)
16712
16713 @@ -409,19 +422,19 @@ static inline void alloc_system_vector(int vector)
16714 /*
16715 * This routine sets up an interrupt gate at directory privilege level 3.
16716 */
16717 -static inline void set_system_intr_gate(unsigned int n, void *addr)
16718 +static inline void set_system_intr_gate(unsigned int n, const void *addr)
16719 {
16720 BUG_ON((unsigned)n > 0xFF);
16721 _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS);
16722 }
16723
16724 -static inline void set_system_trap_gate(unsigned int n, void *addr)
16725 +static inline void set_system_trap_gate(unsigned int n, const void *addr)
16726 {
16727 BUG_ON((unsigned)n > 0xFF);
16728 _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS);
16729 }
16730
16731 -static inline void set_trap_gate(unsigned int n, void *addr)
16732 +static inline void set_trap_gate(unsigned int n, const void *addr)
16733 {
16734 BUG_ON((unsigned)n > 0xFF);
16735 _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS);
16736 @@ -430,16 +443,16 @@ static inline void set_trap_gate(unsigned int n, void *addr)
16737 static inline void set_task_gate(unsigned int n, unsigned int gdt_entry)
16738 {
16739 BUG_ON((unsigned)n > 0xFF);
16740 - _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3));
16741 + _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3));
16742 }
16743
16744 -static inline void set_intr_gate_ist(int n, void *addr, unsigned ist)
16745 +static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist)
16746 {
16747 BUG_ON((unsigned)n > 0xFF);
16748 _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS);
16749 }
16750
16751 -static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist)
16752 +static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist)
16753 {
16754 BUG_ON((unsigned)n > 0xFF);
16755 _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS);
16756 @@ -511,4 +524,17 @@ static inline void load_current_idt(void)
16757 else
16758 load_idt((const struct desc_ptr *)&idt_descr);
16759 }
16760 +
16761 +#ifdef CONFIG_X86_32
16762 +static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu)
16763 +{
16764 + struct desc_struct d;
16765 +
16766 + if (likely(limit))
16767 + limit = (limit - 1UL) >> PAGE_SHIFT;
16768 + pack_descriptor(&d, base, limit, 0xFB, 0xC);
16769 + write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S);
16770 +}
16771 +#endif
16772 +
16773 #endif /* _ASM_X86_DESC_H */
16774 diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
16775 index 278441f..b95a174 100644
16776 --- a/arch/x86/include/asm/desc_defs.h
16777 +++ b/arch/x86/include/asm/desc_defs.h
16778 @@ -31,6 +31,12 @@ struct desc_struct {
16779 unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1;
16780 unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8;
16781 };
16782 + struct {
16783 + u16 offset_low;
16784 + u16 seg;
16785 + unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1;
16786 + unsigned offset_high: 16;
16787 + } gate;
16788 };
16789 } __attribute__((packed));
16790
16791 diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h
16792 index ced283a..ffe04cc 100644
16793 --- a/arch/x86/include/asm/div64.h
16794 +++ b/arch/x86/include/asm/div64.h
16795 @@ -39,7 +39,7 @@
16796 __mod; \
16797 })
16798
16799 -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
16800 +static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
16801 {
16802 union {
16803 u64 v64;
16804 diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
16805 index ca3347a..1a5082a 100644
16806 --- a/arch/x86/include/asm/elf.h
16807 +++ b/arch/x86/include/asm/elf.h
16808 @@ -75,9 +75,6 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
16809
16810 #include <asm/vdso.h>
16811
16812 -#ifdef CONFIG_X86_64
16813 -extern unsigned int vdso64_enabled;
16814 -#endif
16815 #if defined(CONFIG_X86_32) || defined(CONFIG_COMPAT)
16816 extern unsigned int vdso32_enabled;
16817 #endif
16818 @@ -249,7 +246,25 @@ extern int force_personality32;
16819 the loader. We need to make sure that it is out of the way of the program
16820 that it will "exec", and that there is sufficient room for the brk. */
16821
16822 +#ifdef CONFIG_PAX_SEGMEXEC
16823 +#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2)
16824 +#else
16825 #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
16826 +#endif
16827 +
16828 +#ifdef CONFIG_PAX_ASLR
16829 +#ifdef CONFIG_X86_32
16830 +#define PAX_ELF_ET_DYN_BASE 0x10000000UL
16831 +
16832 +#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
16833 +#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16)
16834 +#else
16835 +#define PAX_ELF_ET_DYN_BASE 0x400000UL
16836 +
16837 +#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
16838 +#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3)
16839 +#endif
16840 +#endif
16841
16842 /* This yields a mask that user programs can use to figure out what
16843 instruction set this CPU supports. This could be done in user space,
16844 @@ -298,17 +313,13 @@ do { \
16845
16846 #define ARCH_DLINFO \
16847 do { \
16848 - if (vdso64_enabled) \
16849 - NEW_AUX_ENT(AT_SYSINFO_EHDR, \
16850 - (unsigned long __force)current->mm->context.vdso); \
16851 + NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
16852 } while (0)
16853
16854 /* As a historical oddity, the x32 and x86_64 vDSOs are controlled together. */
16855 #define ARCH_DLINFO_X32 \
16856 do { \
16857 - if (vdso64_enabled) \
16858 - NEW_AUX_ENT(AT_SYSINFO_EHDR, \
16859 - (unsigned long __force)current->mm->context.vdso); \
16860 + NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \
16861 } while (0)
16862
16863 #define AT_SYSINFO 32
16864 @@ -323,10 +334,10 @@ else \
16865
16866 #endif /* !CONFIG_X86_32 */
16867
16868 -#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
16869 +#define VDSO_CURRENT_BASE (current->mm->context.vdso)
16870
16871 #define VDSO_ENTRY \
16872 - ((unsigned long)current->mm->context.vdso + \
16873 + (current->mm->context.vdso + \
16874 selected_vdso32->sym___kernel_vsyscall)
16875
16876 struct linux_binprm;
16877 @@ -338,9 +349,6 @@ extern int compat_arch_setup_additional_pages(struct linux_binprm *bprm,
16878 int uses_interp);
16879 #define compat_arch_setup_additional_pages compat_arch_setup_additional_pages
16880
16881 -extern unsigned long arch_randomize_brk(struct mm_struct *mm);
16882 -#define arch_randomize_brk arch_randomize_brk
16883 -
16884 /*
16885 * True on X86_32 or when emulating IA32 on X86_64
16886 */
16887 diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
16888 index 77a99ac..39ff7f5 100644
16889 --- a/arch/x86/include/asm/emergency-restart.h
16890 +++ b/arch/x86/include/asm/emergency-restart.h
16891 @@ -1,6 +1,6 @@
16892 #ifndef _ASM_X86_EMERGENCY_RESTART_H
16893 #define _ASM_X86_EMERGENCY_RESTART_H
16894
16895 -extern void machine_emergency_restart(void);
16896 +extern void machine_emergency_restart(void) __noreturn;
16897
16898 #endif /* _ASM_X86_EMERGENCY_RESTART_H */
16899 diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h
16900 index 1c7eefe..d0e4702 100644
16901 --- a/arch/x86/include/asm/floppy.h
16902 +++ b/arch/x86/include/asm/floppy.h
16903 @@ -229,18 +229,18 @@ static struct fd_routine_l {
16904 int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
16905 } fd_routine[] = {
16906 {
16907 - request_dma,
16908 - free_dma,
16909 - get_dma_residue,
16910 - dma_mem_alloc,
16911 - hard_dma_setup
16912 + ._request_dma = request_dma,
16913 + ._free_dma = free_dma,
16914 + ._get_dma_residue = get_dma_residue,
16915 + ._dma_mem_alloc = dma_mem_alloc,
16916 + ._dma_setup = hard_dma_setup
16917 },
16918 {
16919 - vdma_request_dma,
16920 - vdma_nop,
16921 - vdma_get_dma_residue,
16922 - vdma_mem_alloc,
16923 - vdma_dma_setup
16924 + ._request_dma = vdma_request_dma,
16925 + ._free_dma = vdma_nop,
16926 + ._get_dma_residue = vdma_get_dma_residue,
16927 + ._dma_mem_alloc = vdma_mem_alloc,
16928 + ._dma_setup = vdma_dma_setup
16929 }
16930 };
16931
16932 diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
16933 index e97622f..d0ba77a 100644
16934 --- a/arch/x86/include/asm/fpu-internal.h
16935 +++ b/arch/x86/include/asm/fpu-internal.h
16936 @@ -124,8 +124,11 @@ static inline void sanitize_i387_state(struct task_struct *tsk)
16937 #define user_insn(insn, output, input...) \
16938 ({ \
16939 int err; \
16940 + pax_open_userland(); \
16941 asm volatile(ASM_STAC "\n" \
16942 - "1:" #insn "\n\t" \
16943 + "1:" \
16944 + __copyuser_seg \
16945 + #insn "\n\t" \
16946 "2: " ASM_CLAC "\n" \
16947 ".section .fixup,\"ax\"\n" \
16948 "3: movl $-1,%[err]\n" \
16949 @@ -134,6 +137,7 @@ static inline void sanitize_i387_state(struct task_struct *tsk)
16950 _ASM_EXTABLE(1b, 3b) \
16951 : [err] "=r" (err), output \
16952 : "0"(0), input); \
16953 + pax_close_userland(); \
16954 err; \
16955 })
16956
16957 @@ -298,7 +302,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
16958 "fnclex\n\t"
16959 "emms\n\t"
16960 "fildl %P[addr]" /* set F?P to defined value */
16961 - : : [addr] "m" (tsk->thread.fpu.has_fpu));
16962 + : : [addr] "m" (init_tss[raw_smp_processor_id()].x86_tss.sp0));
16963 }
16964
16965 return fpu_restore_checking(&tsk->thread.fpu);
16966 diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
16967 index b4c1f54..e290c08 100644
16968 --- a/arch/x86/include/asm/futex.h
16969 +++ b/arch/x86/include/asm/futex.h
16970 @@ -12,6 +12,7 @@
16971 #include <asm/smap.h>
16972
16973 #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
16974 + typecheck(u32 __user *, uaddr); \
16975 asm volatile("\t" ASM_STAC "\n" \
16976 "1:\t" insn "\n" \
16977 "2:\t" ASM_CLAC "\n" \
16978 @@ -20,15 +21,16 @@
16979 "\tjmp\t2b\n" \
16980 "\t.previous\n" \
16981 _ASM_EXTABLE(1b, 3b) \
16982 - : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \
16983 + : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr)) \
16984 : "i" (-EFAULT), "0" (oparg), "1" (0))
16985
16986 #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
16987 + typecheck(u32 __user *, uaddr); \
16988 asm volatile("\t" ASM_STAC "\n" \
16989 "1:\tmovl %2, %0\n" \
16990 "\tmovl\t%0, %3\n" \
16991 "\t" insn "\n" \
16992 - "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \
16993 + "2:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %3, %2\n" \
16994 "\tjnz\t1b\n" \
16995 "3:\t" ASM_CLAC "\n" \
16996 "\t.section .fixup,\"ax\"\n" \
16997 @@ -38,7 +40,7 @@
16998 _ASM_EXTABLE(1b, 4b) \
16999 _ASM_EXTABLE(2b, 4b) \
17000 : "=&a" (oldval), "=&r" (ret), \
17001 - "+m" (*uaddr), "=&r" (tem) \
17002 + "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \
17003 : "r" (oparg), "i" (-EFAULT), "1" (0))
17004
17005 static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
17006 @@ -57,12 +59,13 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
17007
17008 pagefault_disable();
17009
17010 + pax_open_userland();
17011 switch (op) {
17012 case FUTEX_OP_SET:
17013 - __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
17014 + __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg);
17015 break;
17016 case FUTEX_OP_ADD:
17017 - __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
17018 + __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval,
17019 uaddr, oparg);
17020 break;
17021 case FUTEX_OP_OR:
17022 @@ -77,6 +80,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
17023 default:
17024 ret = -ENOSYS;
17025 }
17026 + pax_close_userland();
17027
17028 pagefault_enable();
17029
17030 diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
17031 index 4615906..788c817 100644
17032 --- a/arch/x86/include/asm/hw_irq.h
17033 +++ b/arch/x86/include/asm/hw_irq.h
17034 @@ -164,8 +164,8 @@ extern void setup_ioapic_dest(void);
17035 extern void enable_IO_APIC(void);
17036
17037 /* Statistics */
17038 -extern atomic_t irq_err_count;
17039 -extern atomic_t irq_mis_count;
17040 +extern atomic_unchecked_t irq_err_count;
17041 +extern atomic_unchecked_t irq_mis_count;
17042
17043 /* EISA */
17044 extern void eisa_set_level_irq(unsigned int irq);
17045 diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
17046 index ccffa53..3c90c87 100644
17047 --- a/arch/x86/include/asm/i8259.h
17048 +++ b/arch/x86/include/asm/i8259.h
17049 @@ -62,7 +62,7 @@ struct legacy_pic {
17050 void (*init)(int auto_eoi);
17051 int (*irq_pending)(unsigned int irq);
17052 void (*make_irq)(unsigned int irq);
17053 -};
17054 +} __do_const;
17055
17056 extern struct legacy_pic *legacy_pic;
17057 extern struct legacy_pic null_legacy_pic;
17058 diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
17059 index b8237d8..3e8864e 100644
17060 --- a/arch/x86/include/asm/io.h
17061 +++ b/arch/x86/include/asm/io.h
17062 @@ -52,12 +52,12 @@ static inline void name(type val, volatile void __iomem *addr) \
17063 "m" (*(volatile type __force *)addr) barrier); }
17064
17065 build_mmio_read(readb, "b", unsigned char, "=q", :"memory")
17066 -build_mmio_read(readw, "w", unsigned short, "=r", :"memory")
17067 -build_mmio_read(readl, "l", unsigned int, "=r", :"memory")
17068 +build_mmio_read(__intentional_overflow(-1) readw, "w", unsigned short, "=r", :"memory")
17069 +build_mmio_read(__intentional_overflow(-1) readl, "l", unsigned int, "=r", :"memory")
17070
17071 build_mmio_read(__readb, "b", unsigned char, "=q", )
17072 -build_mmio_read(__readw, "w", unsigned short, "=r", )
17073 -build_mmio_read(__readl, "l", unsigned int, "=r", )
17074 +build_mmio_read(__intentional_overflow(-1) __readw, "w", unsigned short, "=r", )
17075 +build_mmio_read(__intentional_overflow(-1) __readl, "l", unsigned int, "=r", )
17076
17077 build_mmio_write(writeb, "b", unsigned char, "q", :"memory")
17078 build_mmio_write(writew, "w", unsigned short, "r", :"memory")
17079 @@ -109,7 +109,7 @@ build_mmio_write(writeq, "q", unsigned long, "r", :"memory")
17080 * this function
17081 */
17082
17083 -static inline phys_addr_t virt_to_phys(volatile void *address)
17084 +static inline phys_addr_t __intentional_overflow(-1) virt_to_phys(volatile void *address)
17085 {
17086 return __pa(address);
17087 }
17088 @@ -185,7 +185,7 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
17089 return ioremap_nocache(offset, size);
17090 }
17091
17092 -extern void iounmap(volatile void __iomem *addr);
17093 +extern void iounmap(const volatile void __iomem *addr);
17094
17095 extern void set_iounmap_nonlazy(void);
17096
17097 @@ -195,6 +195,17 @@ extern void set_iounmap_nonlazy(void);
17098
17099 #include <linux/vmalloc.h>
17100
17101 +#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
17102 +static inline int valid_phys_addr_range(unsigned long addr, size_t count)
17103 +{
17104 + return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
17105 +}
17106 +
17107 +static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count)
17108 +{
17109 + return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0;
17110 +}
17111 +
17112 /*
17113 * Convert a virtual cached pointer to an uncached pointer
17114 */
17115 diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
17116 index 0a8b519..80e7d5b 100644
17117 --- a/arch/x86/include/asm/irqflags.h
17118 +++ b/arch/x86/include/asm/irqflags.h
17119 @@ -141,6 +141,11 @@ static inline notrace unsigned long arch_local_irq_save(void)
17120 sti; \
17121 sysexit
17122
17123 +#define GET_CR0_INTO_RDI mov %cr0, %rdi
17124 +#define SET_RDI_INTO_CR0 mov %rdi, %cr0
17125 +#define GET_CR3_INTO_RDI mov %cr3, %rdi
17126 +#define SET_RDI_INTO_CR3 mov %rdi, %cr3
17127 +
17128 #else
17129 #define INTERRUPT_RETURN iret
17130 #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
17131 diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
17132 index 4421b5d..8543006 100644
17133 --- a/arch/x86/include/asm/kprobes.h
17134 +++ b/arch/x86/include/asm/kprobes.h
17135 @@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t;
17136 #define RELATIVEJUMP_SIZE 5
17137 #define RELATIVECALL_OPCODE 0xe8
17138 #define RELATIVE_ADDR_SIZE 4
17139 -#define MAX_STACK_SIZE 64
17140 -#define MIN_STACK_SIZE(ADDR) \
17141 - (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
17142 - THREAD_SIZE - (unsigned long)(ADDR))) \
17143 - ? (MAX_STACK_SIZE) \
17144 - : (((unsigned long)current_thread_info()) + \
17145 - THREAD_SIZE - (unsigned long)(ADDR)))
17146 +#define MAX_STACK_SIZE 64UL
17147 +#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR))
17148
17149 #define flush_insn_slot(p) do { } while (0)
17150
17151 diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
17152 index 6ed0c30..74fb6c3 100644
17153 --- a/arch/x86/include/asm/kvm_host.h
17154 +++ b/arch/x86/include/asm/kvm_host.h
17155 @@ -51,6 +51,7 @@
17156 | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG))
17157
17158 #define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL
17159 +#define CR3_PCID_INVD (1UL << 63)
17160 #define CR4_RESERVED_BITS \
17161 (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\
17162 | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
17163 diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
17164 index 4ad6560..75c7bdd 100644
17165 --- a/arch/x86/include/asm/local.h
17166 +++ b/arch/x86/include/asm/local.h
17167 @@ -10,33 +10,97 @@ typedef struct {
17168 atomic_long_t a;
17169 } local_t;
17170
17171 +typedef struct {
17172 + atomic_long_unchecked_t a;
17173 +} local_unchecked_t;
17174 +
17175 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
17176
17177 #define local_read(l) atomic_long_read(&(l)->a)
17178 +#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a)
17179 #define local_set(l, i) atomic_long_set(&(l)->a, (i))
17180 +#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i))
17181
17182 static inline void local_inc(local_t *l)
17183 {
17184 - asm volatile(_ASM_INC "%0"
17185 + asm volatile(_ASM_INC "%0\n"
17186 +
17187 +#ifdef CONFIG_PAX_REFCOUNT
17188 + "jno 0f\n"
17189 + _ASM_DEC "%0\n"
17190 + "int $4\n0:\n"
17191 + _ASM_EXTABLE(0b, 0b)
17192 +#endif
17193 +
17194 + : "+m" (l->a.counter));
17195 +}
17196 +
17197 +static inline void local_inc_unchecked(local_unchecked_t *l)
17198 +{
17199 + asm volatile(_ASM_INC "%0\n"
17200 : "+m" (l->a.counter));
17201 }
17202
17203 static inline void local_dec(local_t *l)
17204 {
17205 - asm volatile(_ASM_DEC "%0"
17206 + asm volatile(_ASM_DEC "%0\n"
17207 +
17208 +#ifdef CONFIG_PAX_REFCOUNT
17209 + "jno 0f\n"
17210 + _ASM_INC "%0\n"
17211 + "int $4\n0:\n"
17212 + _ASM_EXTABLE(0b, 0b)
17213 +#endif
17214 +
17215 + : "+m" (l->a.counter));
17216 +}
17217 +
17218 +static inline void local_dec_unchecked(local_unchecked_t *l)
17219 +{
17220 + asm volatile(_ASM_DEC "%0\n"
17221 : "+m" (l->a.counter));
17222 }
17223
17224 static inline void local_add(long i, local_t *l)
17225 {
17226 - asm volatile(_ASM_ADD "%1,%0"
17227 + asm volatile(_ASM_ADD "%1,%0\n"
17228 +
17229 +#ifdef CONFIG_PAX_REFCOUNT
17230 + "jno 0f\n"
17231 + _ASM_SUB "%1,%0\n"
17232 + "int $4\n0:\n"
17233 + _ASM_EXTABLE(0b, 0b)
17234 +#endif
17235 +
17236 + : "+m" (l->a.counter)
17237 + : "ir" (i));
17238 +}
17239 +
17240 +static inline void local_add_unchecked(long i, local_unchecked_t *l)
17241 +{
17242 + asm volatile(_ASM_ADD "%1,%0\n"
17243 : "+m" (l->a.counter)
17244 : "ir" (i));
17245 }
17246
17247 static inline void local_sub(long i, local_t *l)
17248 {
17249 - asm volatile(_ASM_SUB "%1,%0"
17250 + asm volatile(_ASM_SUB "%1,%0\n"
17251 +
17252 +#ifdef CONFIG_PAX_REFCOUNT
17253 + "jno 0f\n"
17254 + _ASM_ADD "%1,%0\n"
17255 + "int $4\n0:\n"
17256 + _ASM_EXTABLE(0b, 0b)
17257 +#endif
17258 +
17259 + : "+m" (l->a.counter)
17260 + : "ir" (i));
17261 +}
17262 +
17263 +static inline void local_sub_unchecked(long i, local_unchecked_t *l)
17264 +{
17265 + asm volatile(_ASM_SUB "%1,%0\n"
17266 : "+m" (l->a.counter)
17267 : "ir" (i));
17268 }
17269 @@ -52,7 +116,7 @@ static inline void local_sub(long i, local_t *l)
17270 */
17271 static inline int local_sub_and_test(long i, local_t *l)
17272 {
17273 - GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", "e");
17274 + GEN_BINARY_RMWcc(_ASM_SUB, _ASM_ADD, l->a.counter, "er", i, "%0", "e");
17275 }
17276
17277 /**
17278 @@ -65,7 +129,7 @@ static inline int local_sub_and_test(long i, local_t *l)
17279 */
17280 static inline int local_dec_and_test(local_t *l)
17281 {
17282 - GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, "%0", "e");
17283 + GEN_UNARY_RMWcc(_ASM_DEC, _ASM_INC, l->a.counter, "%0", "e");
17284 }
17285
17286 /**
17287 @@ -78,7 +142,7 @@ static inline int local_dec_and_test(local_t *l)
17288 */
17289 static inline int local_inc_and_test(local_t *l)
17290 {
17291 - GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, "%0", "e");
17292 + GEN_UNARY_RMWcc(_ASM_INC, _ASM_DEC, l->a.counter, "%0", "e");
17293 }
17294
17295 /**
17296 @@ -92,7 +156,7 @@ static inline int local_inc_and_test(local_t *l)
17297 */
17298 static inline int local_add_negative(long i, local_t *l)
17299 {
17300 - GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", "s");
17301 + GEN_BINARY_RMWcc(_ASM_ADD, _ASM_SUB, l->a.counter, "er", i, "%0", "s");
17302 }
17303
17304 /**
17305 @@ -105,6 +169,30 @@ static inline int local_add_negative(long i, local_t *l)
17306 static inline long local_add_return(long i, local_t *l)
17307 {
17308 long __i = i;
17309 + asm volatile(_ASM_XADD "%0, %1\n"
17310 +
17311 +#ifdef CONFIG_PAX_REFCOUNT
17312 + "jno 0f\n"
17313 + _ASM_MOV "%0,%1\n"
17314 + "int $4\n0:\n"
17315 + _ASM_EXTABLE(0b, 0b)
17316 +#endif
17317 +
17318 + : "+r" (i), "+m" (l->a.counter)
17319 + : : "memory");
17320 + return i + __i;
17321 +}
17322 +
17323 +/**
17324 + * local_add_return_unchecked - add and return
17325 + * @i: integer value to add
17326 + * @l: pointer to type local_unchecked_t
17327 + *
17328 + * Atomically adds @i to @l and returns @i + @l
17329 + */
17330 +static inline long local_add_return_unchecked(long i, local_unchecked_t *l)
17331 +{
17332 + long __i = i;
17333 asm volatile(_ASM_XADD "%0, %1;"
17334 : "+r" (i), "+m" (l->a.counter)
17335 : : "memory");
17336 @@ -121,6 +209,8 @@ static inline long local_sub_return(long i, local_t *l)
17337
17338 #define local_cmpxchg(l, o, n) \
17339 (cmpxchg_local(&((l)->a.counter), (o), (n)))
17340 +#define local_cmpxchg_unchecked(l, o, n) \
17341 + (cmpxchg_local(&((l)->a.counter), (o), (n)))
17342 /* Always has a lock prefix */
17343 #define local_xchg(l, n) (xchg(&((l)->a.counter), (n)))
17344
17345 diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h
17346 new file mode 100644
17347 index 0000000..2bfd3ba
17348 --- /dev/null
17349 +++ b/arch/x86/include/asm/mman.h
17350 @@ -0,0 +1,15 @@
17351 +#ifndef _X86_MMAN_H
17352 +#define _X86_MMAN_H
17353 +
17354 +#include <uapi/asm/mman.h>
17355 +
17356 +#ifdef __KERNEL__
17357 +#ifndef __ASSEMBLY__
17358 +#ifdef CONFIG_X86_32
17359 +#define arch_mmap_check i386_mmap_check
17360 +int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags);
17361 +#endif
17362 +#endif
17363 +#endif
17364 +
17365 +#endif /* X86_MMAN_H */
17366 diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
17367 index 876e74e..e20bfb1 100644
17368 --- a/arch/x86/include/asm/mmu.h
17369 +++ b/arch/x86/include/asm/mmu.h
17370 @@ -9,7 +9,7 @@
17371 * we put the segment information here.
17372 */
17373 typedef struct {
17374 - void *ldt;
17375 + struct desc_struct *ldt;
17376 int size;
17377
17378 #ifdef CONFIG_X86_64
17379 @@ -18,7 +18,19 @@ typedef struct {
17380 #endif
17381
17382 struct mutex lock;
17383 - void __user *vdso;
17384 + unsigned long vdso;
17385 +
17386 +#ifdef CONFIG_X86_32
17387 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
17388 + unsigned long user_cs_base;
17389 + unsigned long user_cs_limit;
17390 +
17391 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
17392 + cpumask_t cpu_user_cs_mask;
17393 +#endif
17394 +
17395 +#endif
17396 +#endif
17397 } mm_context_t;
17398
17399 #ifdef CONFIG_SMP
17400 diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
17401 index 166af2a..648c200 100644
17402 --- a/arch/x86/include/asm/mmu_context.h
17403 +++ b/arch/x86/include/asm/mmu_context.h
17404 @@ -28,6 +28,20 @@ void destroy_context(struct mm_struct *mm);
17405
17406 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
17407 {
17408 +
17409 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
17410 + if (!(static_cpu_has(X86_FEATURE_PCID))) {
17411 + unsigned int i;
17412 + pgd_t *pgd;
17413 +
17414 + pax_open_kernel();
17415 + pgd = get_cpu_pgd(smp_processor_id(), kernel);
17416 + for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i)
17417 + set_pgd_batched(pgd+i, native_make_pgd(0));
17418 + pax_close_kernel();
17419 + }
17420 +#endif
17421 +
17422 #ifdef CONFIG_SMP
17423 if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK)
17424 this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY);
17425 @@ -38,16 +52,59 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
17426 struct task_struct *tsk)
17427 {
17428 unsigned cpu = smp_processor_id();
17429 +#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
17430 + int tlbstate = TLBSTATE_OK;
17431 +#endif
17432
17433 if (likely(prev != next)) {
17434 #ifdef CONFIG_SMP
17435 +#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
17436 + tlbstate = this_cpu_read(cpu_tlbstate.state);
17437 +#endif
17438 this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
17439 this_cpu_write(cpu_tlbstate.active_mm, next);
17440 #endif
17441 cpumask_set_cpu(cpu, mm_cpumask(next));
17442
17443 /* Re-load page tables */
17444 +#ifdef CONFIG_PAX_PER_CPU_PGD
17445 + pax_open_kernel();
17446 +
17447 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
17448 + if (static_cpu_has(X86_FEATURE_PCID))
17449 + __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd);
17450 + else
17451 +#endif
17452 +
17453 + __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd);
17454 + __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd);
17455 + pax_close_kernel();
17456 + BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK));
17457 +
17458 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
17459 + if (static_cpu_has(X86_FEATURE_PCID)) {
17460 + if (static_cpu_has(X86_FEATURE_INVPCID)) {
17461 + u64 descriptor[2];
17462 + descriptor[0] = PCID_USER;
17463 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory");
17464 + if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) {
17465 + descriptor[0] = PCID_KERNEL;
17466 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory");
17467 + }
17468 + } else {
17469 + write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER);
17470 + if (static_cpu_has(X86_FEATURE_STRONGUDEREF))
17471 + write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH);
17472 + else
17473 + write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL);
17474 + }
17475 + } else
17476 +#endif
17477 +
17478 + load_cr3(get_cpu_pgd(cpu, kernel));
17479 +#else
17480 load_cr3(next->pgd);
17481 +#endif
17482 trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL);
17483
17484 /* Stop flush ipis for the previous mm */
17485 @@ -56,9 +113,67 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
17486 /* Load the LDT, if the LDT is different: */
17487 if (unlikely(prev->context.ldt != next->context.ldt))
17488 load_LDT_nolock(&next->context);
17489 +
17490 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
17491 + if (!(__supported_pte_mask & _PAGE_NX)) {
17492 + smp_mb__before_atomic();
17493 + cpu_clear(cpu, prev->context.cpu_user_cs_mask);
17494 + smp_mb__after_atomic();
17495 + cpu_set(cpu, next->context.cpu_user_cs_mask);
17496 + }
17497 +#endif
17498 +
17499 +#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
17500 + if (unlikely(prev->context.user_cs_base != next->context.user_cs_base ||
17501 + prev->context.user_cs_limit != next->context.user_cs_limit))
17502 + set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
17503 +#ifdef CONFIG_SMP
17504 + else if (unlikely(tlbstate != TLBSTATE_OK))
17505 + set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
17506 +#endif
17507 +#endif
17508 +
17509 }
17510 + else {
17511 +
17512 +#ifdef CONFIG_PAX_PER_CPU_PGD
17513 + pax_open_kernel();
17514 +
17515 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
17516 + if (static_cpu_has(X86_FEATURE_PCID))
17517 + __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd);
17518 + else
17519 +#endif
17520 +
17521 + __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd);
17522 + __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd);
17523 + pax_close_kernel();
17524 + BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK));
17525 +
17526 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
17527 + if (static_cpu_has(X86_FEATURE_PCID)) {
17528 + if (static_cpu_has(X86_FEATURE_INVPCID)) {
17529 + u64 descriptor[2];
17530 + descriptor[0] = PCID_USER;
17531 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory");
17532 + if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) {
17533 + descriptor[0] = PCID_KERNEL;
17534 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory");
17535 + }
17536 + } else {
17537 + write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER);
17538 + if (static_cpu_has(X86_FEATURE_STRONGUDEREF))
17539 + write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH);
17540 + else
17541 + write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL);
17542 + }
17543 + } else
17544 +#endif
17545 +
17546 + load_cr3(get_cpu_pgd(cpu, kernel));
17547 +#endif
17548 +
17549 #ifdef CONFIG_SMP
17550 - else {
17551 this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK);
17552 BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next);
17553
17554 @@ -75,12 +190,29 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
17555 * tlb flush IPI delivery. We must reload CR3
17556 * to make sure to use no freed page tables.
17557 */
17558 +
17559 +#ifndef CONFIG_PAX_PER_CPU_PGD
17560 load_cr3(next->pgd);
17561 trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL);
17562 +#endif
17563 +
17564 load_LDT_nolock(&next->context);
17565 +
17566 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
17567 + if (!(__supported_pte_mask & _PAGE_NX))
17568 + cpu_set(cpu, next->context.cpu_user_cs_mask);
17569 +#endif
17570 +
17571 +#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC))
17572 +#ifdef CONFIG_PAX_PAGEEXEC
17573 + if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX)))
17574 +#endif
17575 + set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu);
17576 +#endif
17577 +
17578 }
17579 +#endif
17580 }
17581 -#endif
17582 }
17583
17584 #define activate_mm(prev, next) \
17585 diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
17586 index e3b7819..b257c64 100644
17587 --- a/arch/x86/include/asm/module.h
17588 +++ b/arch/x86/include/asm/module.h
17589 @@ -5,6 +5,7 @@
17590
17591 #ifdef CONFIG_X86_64
17592 /* X86_64 does not define MODULE_PROC_FAMILY */
17593 +#define MODULE_PROC_FAMILY ""
17594 #elif defined CONFIG_M486
17595 #define MODULE_PROC_FAMILY "486 "
17596 #elif defined CONFIG_M586
17597 @@ -57,8 +58,20 @@
17598 #error unknown processor family
17599 #endif
17600
17601 -#ifdef CONFIG_X86_32
17602 -# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
17603 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS
17604 +#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS "
17605 +#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR)
17606 +#define MODULE_PAX_KERNEXEC "KERNEXEC_OR "
17607 +#else
17608 +#define MODULE_PAX_KERNEXEC ""
17609 #endif
17610
17611 +#ifdef CONFIG_PAX_MEMORY_UDEREF
17612 +#define MODULE_PAX_UDEREF "UDEREF "
17613 +#else
17614 +#define MODULE_PAX_UDEREF ""
17615 +#endif
17616 +
17617 +#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF
17618 +
17619 #endif /* _ASM_X86_MODULE_H */
17620 diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
17621 index 5f2fc44..106caa6 100644
17622 --- a/arch/x86/include/asm/nmi.h
17623 +++ b/arch/x86/include/asm/nmi.h
17624 @@ -36,26 +36,35 @@ enum {
17625
17626 typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
17627
17628 +struct nmiaction;
17629 +
17630 +struct nmiwork {
17631 + const struct nmiaction *action;
17632 + u64 max_duration;
17633 + struct irq_work irq_work;
17634 +};
17635 +
17636 struct nmiaction {
17637 struct list_head list;
17638 nmi_handler_t handler;
17639 - u64 max_duration;
17640 - struct irq_work irq_work;
17641 unsigned long flags;
17642 const char *name;
17643 -};
17644 + struct nmiwork *work;
17645 +} __do_const;
17646
17647 #define register_nmi_handler(t, fn, fg, n, init...) \
17648 ({ \
17649 - static struct nmiaction init fn##_na = { \
17650 + static struct nmiwork fn##_nw; \
17651 + static const struct nmiaction init fn##_na = { \
17652 .handler = (fn), \
17653 .name = (n), \
17654 .flags = (fg), \
17655 + .work = &fn##_nw, \
17656 }; \
17657 __register_nmi_handler((t), &fn##_na); \
17658 })
17659
17660 -int __register_nmi_handler(unsigned int, struct nmiaction *);
17661 +int __register_nmi_handler(unsigned int, const struct nmiaction *);
17662
17663 void unregister_nmi_handler(unsigned int, const char *);
17664
17665 diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
17666 index 802dde3..9183e68 100644
17667 --- a/arch/x86/include/asm/page.h
17668 +++ b/arch/x86/include/asm/page.h
17669 @@ -52,6 +52,7 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
17670 __phys_addr_symbol(__phys_reloc_hide((unsigned long)(x)))
17671
17672 #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
17673 +#define __early_va(x) ((void *)((unsigned long)(x)+__START_KERNEL_map - phys_base))
17674
17675 #define __boot_va(x) __va(x)
17676 #define __boot_pa(x) __pa(x)
17677 @@ -60,11 +61,21 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
17678 * virt_to_page(kaddr) returns a valid pointer if and only if
17679 * virt_addr_valid(kaddr) returns true.
17680 */
17681 -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
17682 #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
17683 extern bool __virt_addr_valid(unsigned long kaddr);
17684 #define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr))
17685
17686 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
17687 +#define virt_to_page(kaddr) \
17688 + ({ \
17689 + const void *__kaddr = (const void *)(kaddr); \
17690 + BUG_ON(!virt_addr_valid(__kaddr)); \
17691 + pfn_to_page(__pa(__kaddr) >> PAGE_SHIFT); \
17692 + })
17693 +#else
17694 +#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
17695 +#endif
17696 +
17697 #endif /* __ASSEMBLY__ */
17698
17699 #include <asm-generic/memory_model.h>
17700 diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h
17701 index f408caf..4a0455e 100644
17702 --- a/arch/x86/include/asm/page_64.h
17703 +++ b/arch/x86/include/asm/page_64.h
17704 @@ -7,9 +7,9 @@
17705
17706 /* duplicated to the one in bootmem.h */
17707 extern unsigned long max_pfn;
17708 -extern unsigned long phys_base;
17709 +extern const unsigned long phys_base;
17710
17711 -static inline unsigned long __phys_addr_nodebug(unsigned long x)
17712 +static inline unsigned long __intentional_overflow(-1) __phys_addr_nodebug(unsigned long x)
17713 {
17714 unsigned long y = x - __START_KERNEL_map;
17715
17716 diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
17717 index cd6e1610..70f4418 100644
17718 --- a/arch/x86/include/asm/paravirt.h
17719 +++ b/arch/x86/include/asm/paravirt.h
17720 @@ -560,7 +560,7 @@ static inline pmd_t __pmd(pmdval_t val)
17721 return (pmd_t) { ret };
17722 }
17723
17724 -static inline pmdval_t pmd_val(pmd_t pmd)
17725 +static inline __intentional_overflow(-1) pmdval_t pmd_val(pmd_t pmd)
17726 {
17727 pmdval_t ret;
17728
17729 @@ -626,6 +626,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd)
17730 val);
17731 }
17732
17733 +static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
17734 +{
17735 + pgdval_t val = native_pgd_val(pgd);
17736 +
17737 + if (sizeof(pgdval_t) > sizeof(long))
17738 + PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp,
17739 + val, (u64)val >> 32);
17740 + else
17741 + PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp,
17742 + val);
17743 +}
17744 +
17745 static inline void pgd_clear(pgd_t *pgdp)
17746 {
17747 set_pgd(pgdp, __pgd(0));
17748 @@ -710,6 +722,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
17749 pv_mmu_ops.set_fixmap(idx, phys, flags);
17750 }
17751
17752 +#ifdef CONFIG_PAX_KERNEXEC
17753 +static inline unsigned long pax_open_kernel(void)
17754 +{
17755 + return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel);
17756 +}
17757 +
17758 +static inline unsigned long pax_close_kernel(void)
17759 +{
17760 + return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel);
17761 +}
17762 +#else
17763 +static inline unsigned long pax_open_kernel(void) { return 0; }
17764 +static inline unsigned long pax_close_kernel(void) { return 0; }
17765 +#endif
17766 +
17767 #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
17768
17769 static __always_inline void __ticket_lock_spinning(struct arch_spinlock *lock,
17770 @@ -906,7 +933,7 @@ extern void default_banner(void);
17771
17772 #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4)
17773 #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4)
17774 -#define PARA_INDIRECT(addr) *%cs:addr
17775 +#define PARA_INDIRECT(addr) *%ss:addr
17776 #endif
17777
17778 #define INTERRUPT_RETURN \
17779 @@ -981,6 +1008,21 @@ extern void default_banner(void);
17780 PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit), \
17781 CLBR_NONE, \
17782 jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit))
17783 +
17784 +#define GET_CR0_INTO_RDI \
17785 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \
17786 + mov %rax,%rdi
17787 +
17788 +#define SET_RDI_INTO_CR0 \
17789 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
17790 +
17791 +#define GET_CR3_INTO_RDI \
17792 + call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \
17793 + mov %rax,%rdi
17794 +
17795 +#define SET_RDI_INTO_CR3 \
17796 + call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3)
17797 +
17798 #endif /* CONFIG_X86_32 */
17799
17800 #endif /* __ASSEMBLY__ */
17801 diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
17802 index 7549b8b..f0edfda 100644
17803 --- a/arch/x86/include/asm/paravirt_types.h
17804 +++ b/arch/x86/include/asm/paravirt_types.h
17805 @@ -84,7 +84,7 @@ struct pv_init_ops {
17806 */
17807 unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
17808 unsigned long addr, unsigned len);
17809 -};
17810 +} __no_const __no_randomize_layout;
17811
17812
17813 struct pv_lazy_ops {
17814 @@ -92,13 +92,13 @@ struct pv_lazy_ops {
17815 void (*enter)(void);
17816 void (*leave)(void);
17817 void (*flush)(void);
17818 -};
17819 +} __no_randomize_layout;
17820
17821 struct pv_time_ops {
17822 unsigned long long (*sched_clock)(void);
17823 unsigned long long (*steal_clock)(int cpu);
17824 unsigned long (*get_tsc_khz)(void);
17825 -};
17826 +} __no_const __no_randomize_layout;
17827
17828 struct pv_cpu_ops {
17829 /* hooks for various privileged instructions */
17830 @@ -192,7 +192,7 @@ struct pv_cpu_ops {
17831
17832 void (*start_context_switch)(struct task_struct *prev);
17833 void (*end_context_switch)(struct task_struct *next);
17834 -};
17835 +} __no_const __no_randomize_layout;
17836
17837 struct pv_irq_ops {
17838 /*
17839 @@ -215,7 +215,7 @@ struct pv_irq_ops {
17840 #ifdef CONFIG_X86_64
17841 void (*adjust_exception_frame)(void);
17842 #endif
17843 -};
17844 +} __no_randomize_layout;
17845
17846 struct pv_apic_ops {
17847 #ifdef CONFIG_X86_LOCAL_APIC
17848 @@ -223,7 +223,7 @@ struct pv_apic_ops {
17849 unsigned long start_eip,
17850 unsigned long start_esp);
17851 #endif
17852 -};
17853 +} __no_const __no_randomize_layout;
17854
17855 struct pv_mmu_ops {
17856 unsigned long (*read_cr2)(void);
17857 @@ -313,6 +313,7 @@ struct pv_mmu_ops {
17858 struct paravirt_callee_save make_pud;
17859
17860 void (*set_pgd)(pgd_t *pudp, pgd_t pgdval);
17861 + void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval);
17862 #endif /* PAGETABLE_LEVELS == 4 */
17863 #endif /* PAGETABLE_LEVELS >= 3 */
17864
17865 @@ -324,7 +325,13 @@ struct pv_mmu_ops {
17866 an mfn. We can tell which is which from the index. */
17867 void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
17868 phys_addr_t phys, pgprot_t flags);
17869 -};
17870 +
17871 +#ifdef CONFIG_PAX_KERNEXEC
17872 + unsigned long (*pax_open_kernel)(void);
17873 + unsigned long (*pax_close_kernel)(void);
17874 +#endif
17875 +
17876 +} __no_randomize_layout;
17877
17878 struct arch_spinlock;
17879 #ifdef CONFIG_SMP
17880 @@ -336,11 +343,14 @@ typedef u16 __ticket_t;
17881 struct pv_lock_ops {
17882 struct paravirt_callee_save lock_spinning;
17883 void (*unlock_kick)(struct arch_spinlock *lock, __ticket_t ticket);
17884 -};
17885 +} __no_randomize_layout;
17886
17887 /* This contains all the paravirt structures: we get a convenient
17888 * number for each function using the offset which we use to indicate
17889 - * what to patch. */
17890 + * what to patch.
17891 + * shouldn't be randomized due to the "NEAT TRICK" in paravirt.c
17892 + */
17893 +
17894 struct paravirt_patch_template {
17895 struct pv_init_ops pv_init_ops;
17896 struct pv_time_ops pv_time_ops;
17897 @@ -349,7 +359,7 @@ struct paravirt_patch_template {
17898 struct pv_apic_ops pv_apic_ops;
17899 struct pv_mmu_ops pv_mmu_ops;
17900 struct pv_lock_ops pv_lock_ops;
17901 -};
17902 +} __no_randomize_layout;
17903
17904 extern struct pv_info pv_info;
17905 extern struct pv_init_ops pv_init_ops;
17906 diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
17907 index c4412e9..90e88c5 100644
17908 --- a/arch/x86/include/asm/pgalloc.h
17909 +++ b/arch/x86/include/asm/pgalloc.h
17910 @@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm,
17911 pmd_t *pmd, pte_t *pte)
17912 {
17913 paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
17914 + set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE));
17915 +}
17916 +
17917 +static inline void pmd_populate_user(struct mm_struct *mm,
17918 + pmd_t *pmd, pte_t *pte)
17919 +{
17920 + paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT);
17921 set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE));
17922 }
17923
17924 @@ -108,12 +115,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
17925
17926 #ifdef CONFIG_X86_PAE
17927 extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
17928 +static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
17929 +{
17930 + pud_populate(mm, pudp, pmd);
17931 +}
17932 #else /* !CONFIG_X86_PAE */
17933 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
17934 {
17935 paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
17936 set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
17937 }
17938 +
17939 +static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
17940 +{
17941 + paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT);
17942 + set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd)));
17943 +}
17944 #endif /* CONFIG_X86_PAE */
17945
17946 #if PAGETABLE_LEVELS > 3
17947 @@ -123,6 +140,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
17948 set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
17949 }
17950
17951 +static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
17952 +{
17953 + paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT);
17954 + set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud)));
17955 +}
17956 +
17957 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
17958 {
17959 return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
17960 diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
17961 index 206a87f..1623b06 100644
17962 --- a/arch/x86/include/asm/pgtable-2level.h
17963 +++ b/arch/x86/include/asm/pgtable-2level.h
17964 @@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte)
17965
17966 static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
17967 {
17968 + pax_open_kernel();
17969 *pmdp = pmd;
17970 + pax_close_kernel();
17971 }
17972
17973 static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
17974 diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
17975 index 81bb91b..9392125 100644
17976 --- a/arch/x86/include/asm/pgtable-3level.h
17977 +++ b/arch/x86/include/asm/pgtable-3level.h
17978 @@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
17979
17980 static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
17981 {
17982 + pax_open_kernel();
17983 set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd));
17984 + pax_close_kernel();
17985 }
17986
17987 static inline void native_set_pud(pud_t *pudp, pud_t pud)
17988 {
17989 + pax_open_kernel();
17990 set_64bit((unsigned long long *)(pudp), native_pud_val(pud));
17991 + pax_close_kernel();
17992 }
17993
17994 /*
17995 diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
17996 index aa97a07..5c53c32 100644
17997 --- a/arch/x86/include/asm/pgtable.h
17998 +++ b/arch/x86/include/asm/pgtable.h
17999 @@ -46,6 +46,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
18000
18001 #ifndef __PAGETABLE_PUD_FOLDED
18002 #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd)
18003 +#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd)
18004 #define pgd_clear(pgd) native_pgd_clear(pgd)
18005 #endif
18006
18007 @@ -83,12 +84,53 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
18008
18009 #define arch_end_context_switch(prev) do {} while(0)
18010
18011 +#define pax_open_kernel() native_pax_open_kernel()
18012 +#define pax_close_kernel() native_pax_close_kernel()
18013 #endif /* CONFIG_PARAVIRT */
18014
18015 +#define __HAVE_ARCH_PAX_OPEN_KERNEL
18016 +#define __HAVE_ARCH_PAX_CLOSE_KERNEL
18017 +
18018 +#ifdef CONFIG_PAX_KERNEXEC
18019 +static inline unsigned long native_pax_open_kernel(void)
18020 +{
18021 + unsigned long cr0;
18022 +
18023 + preempt_disable();
18024 + barrier();
18025 + cr0 = read_cr0() ^ X86_CR0_WP;
18026 + BUG_ON(cr0 & X86_CR0_WP);
18027 + write_cr0(cr0);
18028 + barrier();
18029 + return cr0 ^ X86_CR0_WP;
18030 +}
18031 +
18032 +static inline unsigned long native_pax_close_kernel(void)
18033 +{
18034 + unsigned long cr0;
18035 +
18036 + barrier();
18037 + cr0 = read_cr0() ^ X86_CR0_WP;
18038 + BUG_ON(!(cr0 & X86_CR0_WP));
18039 + write_cr0(cr0);
18040 + barrier();
18041 + preempt_enable_no_resched();
18042 + return cr0 ^ X86_CR0_WP;
18043 +}
18044 +#else
18045 +static inline unsigned long native_pax_open_kernel(void) { return 0; }
18046 +static inline unsigned long native_pax_close_kernel(void) { return 0; }
18047 +#endif
18048 +
18049 /*
18050 * The following only work if pte_present() is true.
18051 * Undefined behaviour if not..
18052 */
18053 +static inline int pte_user(pte_t pte)
18054 +{
18055 + return pte_val(pte) & _PAGE_USER;
18056 +}
18057 +
18058 static inline int pte_dirty(pte_t pte)
18059 {
18060 return pte_flags(pte) & _PAGE_DIRTY;
18061 @@ -155,6 +197,11 @@ static inline unsigned long pud_pfn(pud_t pud)
18062 return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT;
18063 }
18064
18065 +static inline unsigned long pgd_pfn(pgd_t pgd)
18066 +{
18067 + return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT;
18068 +}
18069 +
18070 #define pte_page(pte) pfn_to_page(pte_pfn(pte))
18071
18072 static inline int pmd_large(pmd_t pte)
18073 @@ -208,9 +255,29 @@ static inline pte_t pte_wrprotect(pte_t pte)
18074 return pte_clear_flags(pte, _PAGE_RW);
18075 }
18076
18077 +static inline pte_t pte_mkread(pte_t pte)
18078 +{
18079 + return __pte(pte_val(pte) | _PAGE_USER);
18080 +}
18081 +
18082 static inline pte_t pte_mkexec(pte_t pte)
18083 {
18084 - return pte_clear_flags(pte, _PAGE_NX);
18085 +#ifdef CONFIG_X86_PAE
18086 + if (__supported_pte_mask & _PAGE_NX)
18087 + return pte_clear_flags(pte, _PAGE_NX);
18088 + else
18089 +#endif
18090 + return pte_set_flags(pte, _PAGE_USER);
18091 +}
18092 +
18093 +static inline pte_t pte_exprotect(pte_t pte)
18094 +{
18095 +#ifdef CONFIG_X86_PAE
18096 + if (__supported_pte_mask & _PAGE_NX)
18097 + return pte_set_flags(pte, _PAGE_NX);
18098 + else
18099 +#endif
18100 + return pte_clear_flags(pte, _PAGE_USER);
18101 }
18102
18103 static inline pte_t pte_mkdirty(pte_t pte)
18104 @@ -440,6 +507,16 @@ pte_t *populate_extra_pte(unsigned long vaddr);
18105 #endif
18106
18107 #ifndef __ASSEMBLY__
18108 +
18109 +#ifdef CONFIG_PAX_PER_CPU_PGD
18110 +extern pgd_t cpu_pgd[NR_CPUS][2][PTRS_PER_PGD];
18111 +enum cpu_pgd_type {kernel = 0, user = 1};
18112 +static inline pgd_t *get_cpu_pgd(unsigned int cpu, enum cpu_pgd_type type)
18113 +{
18114 + return cpu_pgd[cpu][type];
18115 +}
18116 +#endif
18117 +
18118 #include <linux/mm_types.h>
18119 #include <linux/mmdebug.h>
18120 #include <linux/log2.h>
18121 @@ -586,7 +663,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
18122 * Currently stuck as a macro due to indirect forward reference to
18123 * linux/mmzone.h's __section_mem_map_addr() definition:
18124 */
18125 -#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
18126 +#define pud_page(pud) pfn_to_page((pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT)
18127
18128 /* Find an entry in the second-level page table.. */
18129 static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
18130 @@ -626,7 +703,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd)
18131 * Currently stuck as a macro due to indirect forward reference to
18132 * linux/mmzone.h's __section_mem_map_addr() definition:
18133 */
18134 -#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT)
18135 +#define pgd_page(pgd) pfn_to_page((pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT)
18136
18137 /* to find an entry in a page-table-directory. */
18138 static inline unsigned long pud_index(unsigned long address)
18139 @@ -641,7 +718,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
18140
18141 static inline int pgd_bad(pgd_t pgd)
18142 {
18143 - return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE;
18144 + return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE;
18145 }
18146
18147 static inline int pgd_none(pgd_t pgd)
18148 @@ -664,7 +741,12 @@ static inline int pgd_none(pgd_t pgd)
18149 * pgd_offset() returns a (pgd_t *)
18150 * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
18151 */
18152 -#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address)))
18153 +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
18154 +
18155 +#ifdef CONFIG_PAX_PER_CPU_PGD
18156 +#define pgd_offset_cpu(cpu, type, address) (get_cpu_pgd(cpu, type) + pgd_index(address))
18157 +#endif
18158 +
18159 /*
18160 * a shortcut which implies the use of the kernel's pgd, instead
18161 * of a process's
18162 @@ -675,6 +757,23 @@ static inline int pgd_none(pgd_t pgd)
18163 #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET)
18164 #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY)
18165
18166 +#ifdef CONFIG_X86_32
18167 +#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY
18168 +#else
18169 +#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT
18170 +#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT))
18171 +
18172 +#ifdef CONFIG_PAX_MEMORY_UDEREF
18173 +#ifdef __ASSEMBLY__
18174 +#define pax_user_shadow_base pax_user_shadow_base(%rip)
18175 +#else
18176 +extern unsigned long pax_user_shadow_base;
18177 +extern pgdval_t clone_pgd_mask;
18178 +#endif
18179 +#endif
18180 +
18181 +#endif
18182 +
18183 #ifndef __ASSEMBLY__
18184
18185 extern int direct_gbpages;
18186 @@ -841,11 +940,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
18187 * dst and src can be on the same page, but the range must not overlap,
18188 * and must not cross a page boundary.
18189 */
18190 -static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
18191 +static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count)
18192 {
18193 - memcpy(dst, src, count * sizeof(pgd_t));
18194 + pax_open_kernel();
18195 + while (count--)
18196 + *dst++ = *src++;
18197 + pax_close_kernel();
18198 }
18199
18200 +#ifdef CONFIG_PAX_PER_CPU_PGD
18201 +extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src);
18202 +#endif
18203 +
18204 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
18205 +extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src);
18206 +#else
18207 +static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {}
18208 +#endif
18209 +
18210 #define PTE_SHIFT ilog2(PTRS_PER_PTE)
18211 static inline int page_level_shift(enum pg_level level)
18212 {
18213 diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
18214 index b6c0b40..3535d47 100644
18215 --- a/arch/x86/include/asm/pgtable_32.h
18216 +++ b/arch/x86/include/asm/pgtable_32.h
18217 @@ -25,9 +25,6 @@
18218 struct mm_struct;
18219 struct vm_area_struct;
18220
18221 -extern pgd_t swapper_pg_dir[1024];
18222 -extern pgd_t initial_page_table[1024];
18223 -
18224 static inline void pgtable_cache_init(void) { }
18225 static inline void check_pgt_cache(void) { }
18226 void paging_init(void);
18227 @@ -45,6 +42,12 @@ void paging_init(void);
18228 # include <asm/pgtable-2level.h>
18229 #endif
18230
18231 +extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
18232 +extern pgd_t initial_page_table[PTRS_PER_PGD];
18233 +#ifdef CONFIG_X86_PAE
18234 +extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD];
18235 +#endif
18236 +
18237 #if defined(CONFIG_HIGHPTE)
18238 #define pte_offset_map(dir, address) \
18239 ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
18240 @@ -59,12 +62,17 @@ void paging_init(void);
18241 /* Clear a kernel PTE and flush it from the TLB */
18242 #define kpte_clear_flush(ptep, vaddr) \
18243 do { \
18244 + pax_open_kernel(); \
18245 pte_clear(&init_mm, (vaddr), (ptep)); \
18246 + pax_close_kernel(); \
18247 __flush_tlb_one((vaddr)); \
18248 } while (0)
18249
18250 #endif /* !__ASSEMBLY__ */
18251
18252 +#define HAVE_ARCH_UNMAPPED_AREA
18253 +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
18254 +
18255 /*
18256 * kern_addr_valid() is (1) for FLATMEM and (0) for
18257 * SPARSEMEM and DISCONTIGMEM
18258 diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h
18259 index ed5903b..c7fe163 100644
18260 --- a/arch/x86/include/asm/pgtable_32_types.h
18261 +++ b/arch/x86/include/asm/pgtable_32_types.h
18262 @@ -8,7 +8,7 @@
18263 */
18264 #ifdef CONFIG_X86_PAE
18265 # include <asm/pgtable-3level_types.h>
18266 -# define PMD_SIZE (1UL << PMD_SHIFT)
18267 +# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)
18268 # define PMD_MASK (~(PMD_SIZE - 1))
18269 #else
18270 # include <asm/pgtable-2level_types.h>
18271 @@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */
18272 # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE)
18273 #endif
18274
18275 +#ifdef CONFIG_PAX_KERNEXEC
18276 +#ifndef __ASSEMBLY__
18277 +extern unsigned char MODULES_EXEC_VADDR[];
18278 +extern unsigned char MODULES_EXEC_END[];
18279 +#endif
18280 +#include <asm/boot.h>
18281 +#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET)
18282 +#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET)
18283 +#else
18284 +#define ktla_ktva(addr) (addr)
18285 +#define ktva_ktla(addr) (addr)
18286 +#endif
18287 +
18288 #define MODULES_VADDR VMALLOC_START
18289 #define MODULES_END VMALLOC_END
18290 #define MODULES_LEN (MODULES_VADDR - MODULES_END)
18291 diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
18292 index 4572b2f..4430113 100644
18293 --- a/arch/x86/include/asm/pgtable_64.h
18294 +++ b/arch/x86/include/asm/pgtable_64.h
18295 @@ -16,11 +16,16 @@
18296
18297 extern pud_t level3_kernel_pgt[512];
18298 extern pud_t level3_ident_pgt[512];
18299 +extern pud_t level3_vmalloc_start_pgt[512];
18300 +extern pud_t level3_vmalloc_end_pgt[512];
18301 +extern pud_t level3_vmemmap_pgt[512];
18302 +extern pud_t level2_vmemmap_pgt[512];
18303 extern pmd_t level2_kernel_pgt[512];
18304 extern pmd_t level2_fixmap_pgt[512];
18305 -extern pmd_t level2_ident_pgt[512];
18306 +extern pmd_t level2_ident_pgt[512*2];
18307 extern pte_t level1_fixmap_pgt[512];
18308 -extern pgd_t init_level4_pgt[];
18309 +extern pte_t level1_vsyscall_pgt[512];
18310 +extern pgd_t init_level4_pgt[512];
18311
18312 #define swapper_pg_dir init_level4_pgt
18313
18314 @@ -62,7 +67,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
18315
18316 static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
18317 {
18318 + pax_open_kernel();
18319 *pmdp = pmd;
18320 + pax_close_kernel();
18321 }
18322
18323 static inline void native_pmd_clear(pmd_t *pmd)
18324 @@ -98,7 +105,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
18325
18326 static inline void native_set_pud(pud_t *pudp, pud_t pud)
18327 {
18328 + pax_open_kernel();
18329 *pudp = pud;
18330 + pax_close_kernel();
18331 }
18332
18333 static inline void native_pud_clear(pud_t *pud)
18334 @@ -108,6 +117,13 @@ static inline void native_pud_clear(pud_t *pud)
18335
18336 static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
18337 {
18338 + pax_open_kernel();
18339 + *pgdp = pgd;
18340 + pax_close_kernel();
18341 +}
18342 +
18343 +static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd)
18344 +{
18345 *pgdp = pgd;
18346 }
18347
18348 diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
18349 index 7166e25..baaa6fe 100644
18350 --- a/arch/x86/include/asm/pgtable_64_types.h
18351 +++ b/arch/x86/include/asm/pgtable_64_types.h
18352 @@ -61,9 +61,14 @@ typedef struct { pteval_t pte; } pte_t;
18353 #define MODULES_VADDR (__START_KERNEL_map + KERNEL_IMAGE_SIZE)
18354 #define MODULES_END _AC(0xffffffffff000000, UL)
18355 #define MODULES_LEN (MODULES_END - MODULES_VADDR)
18356 +#define MODULES_EXEC_VADDR MODULES_VADDR
18357 +#define MODULES_EXEC_END MODULES_END
18358 #define ESPFIX_PGD_ENTRY _AC(-2, UL)
18359 #define ESPFIX_BASE_ADDR (ESPFIX_PGD_ENTRY << PGDIR_SHIFT)
18360
18361 +#define ktla_ktva(addr) (addr)
18362 +#define ktva_ktla(addr) (addr)
18363 +
18364 #define EARLY_DYNAMIC_PAGE_TABLES 64
18365
18366 #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
18367 diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
18368 index 0778964..0e94758 100644
18369 --- a/arch/x86/include/asm/pgtable_types.h
18370 +++ b/arch/x86/include/asm/pgtable_types.h
18371 @@ -110,8 +110,10 @@
18372
18373 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
18374 #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX)
18375 -#else
18376 +#elif defined(CONFIG_KMEMCHECK) || defined(CONFIG_MEM_SOFT_DIRTY)
18377 #define _PAGE_NX (_AT(pteval_t, 0))
18378 +#else
18379 +#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
18380 #endif
18381
18382 #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE)
18383 @@ -150,6 +152,9 @@
18384 #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \
18385 _PAGE_ACCESSED)
18386
18387 +#define PAGE_READONLY_NOEXEC PAGE_READONLY
18388 +#define PAGE_SHARED_NOEXEC PAGE_SHARED
18389 +
18390 #define __PAGE_KERNEL_EXEC \
18391 (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL)
18392 #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX)
18393 @@ -160,7 +165,7 @@
18394 #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC)
18395 #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT)
18396 #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD)
18397 -#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER)
18398 +#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER)
18399 #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER)
18400 #define __PAGE_KERNEL_VVAR_NOCACHE (__PAGE_KERNEL_VVAR | _PAGE_PCD | _PAGE_PWT)
18401 #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE)
18402 @@ -217,7 +222,7 @@
18403 #ifdef CONFIG_X86_64
18404 #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC
18405 #else
18406 -#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */
18407 +#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
18408 #define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
18409 #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
18410 #endif
18411 @@ -256,7 +261,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd)
18412 {
18413 return native_pgd_val(pgd) & PTE_FLAGS_MASK;
18414 }
18415 +#endif
18416
18417 +#if PAGETABLE_LEVELS == 3
18418 +#include <asm-generic/pgtable-nopud.h>
18419 +#endif
18420 +
18421 +#if PAGETABLE_LEVELS == 2
18422 +#include <asm-generic/pgtable-nopmd.h>
18423 +#endif
18424 +
18425 +#ifndef __ASSEMBLY__
18426 #if PAGETABLE_LEVELS > 3
18427 typedef struct { pudval_t pud; } pud_t;
18428
18429 @@ -270,8 +285,6 @@ static inline pudval_t native_pud_val(pud_t pud)
18430 return pud.pud;
18431 }
18432 #else
18433 -#include <asm-generic/pgtable-nopud.h>
18434 -
18435 static inline pudval_t native_pud_val(pud_t pud)
18436 {
18437 return native_pgd_val(pud.pgd);
18438 @@ -291,8 +304,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
18439 return pmd.pmd;
18440 }
18441 #else
18442 -#include <asm-generic/pgtable-nopmd.h>
18443 -
18444 static inline pmdval_t native_pmd_val(pmd_t pmd)
18445 {
18446 return native_pgd_val(pmd.pud.pgd);
18447 @@ -346,7 +357,6 @@ typedef struct page *pgtable_t;
18448
18449 extern pteval_t __supported_pte_mask;
18450 extern void set_nx(void);
18451 -extern int nx_enabled;
18452
18453 #define pgprot_writecombine pgprot_writecombine
18454 extern pgprot_t pgprot_writecombine(pgprot_t prot);
18455 diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h
18456 index 4008734..48f0d81 100644
18457 --- a/arch/x86/include/asm/preempt.h
18458 +++ b/arch/x86/include/asm/preempt.h
18459 @@ -87,7 +87,7 @@ static __always_inline void __preempt_count_sub(int val)
18460 */
18461 static __always_inline bool __preempt_count_dec_and_test(void)
18462 {
18463 - GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), "e");
18464 + GEN_UNARY_RMWcc("decl", "incl", __preempt_count, __percpu_arg(0), "e");
18465 }
18466
18467 /*
18468 diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
18469 index eb71ec7..f06532a 100644
18470 --- a/arch/x86/include/asm/processor.h
18471 +++ b/arch/x86/include/asm/processor.h
18472 @@ -127,7 +127,7 @@ struct cpuinfo_x86 {
18473 /* Index into per_cpu list: */
18474 u16 cpu_index;
18475 u32 microcode;
18476 -} __attribute__((__aligned__(SMP_CACHE_BYTES)));
18477 +} __attribute__((__aligned__(SMP_CACHE_BYTES))) __randomize_layout;
18478
18479 #define X86_VENDOR_INTEL 0
18480 #define X86_VENDOR_CYRIX 1
18481 @@ -198,9 +198,21 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
18482 : "memory");
18483 }
18484
18485 +/* invpcid (%rdx),%rax */
18486 +#define __ASM_INVPCID ".byte 0x66,0x0f,0x38,0x82,0x02"
18487 +
18488 +#define INVPCID_SINGLE_ADDRESS 0UL
18489 +#define INVPCID_SINGLE_CONTEXT 1UL
18490 +#define INVPCID_ALL_GLOBAL 2UL
18491 +#define INVPCID_ALL_NONGLOBAL 3UL
18492 +
18493 +#define PCID_KERNEL 0UL
18494 +#define PCID_USER 1UL
18495 +#define PCID_NOFLUSH (1UL << 63)
18496 +
18497 static inline void load_cr3(pgd_t *pgdir)
18498 {
18499 - write_cr3(__pa(pgdir));
18500 + write_cr3(__pa(pgdir) | PCID_KERNEL);
18501 }
18502
18503 #ifdef CONFIG_X86_32
18504 @@ -282,7 +294,7 @@ struct tss_struct {
18505
18506 } ____cacheline_aligned;
18507
18508 -DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss);
18509 +extern struct tss_struct init_tss[NR_CPUS];
18510
18511 /*
18512 * Save the original ist values for checking stack pointers during debugging
18513 @@ -478,6 +490,7 @@ struct thread_struct {
18514 unsigned short ds;
18515 unsigned short fsindex;
18516 unsigned short gsindex;
18517 + unsigned short ss;
18518 #endif
18519 #ifdef CONFIG_X86_32
18520 unsigned long ip;
18521 @@ -587,29 +600,8 @@ static inline void load_sp0(struct tss_struct *tss,
18522 extern unsigned long mmu_cr4_features;
18523 extern u32 *trampoline_cr4_features;
18524
18525 -static inline void set_in_cr4(unsigned long mask)
18526 -{
18527 - unsigned long cr4;
18528 -
18529 - mmu_cr4_features |= mask;
18530 - if (trampoline_cr4_features)
18531 - *trampoline_cr4_features = mmu_cr4_features;
18532 - cr4 = read_cr4();
18533 - cr4 |= mask;
18534 - write_cr4(cr4);
18535 -}
18536 -
18537 -static inline void clear_in_cr4(unsigned long mask)
18538 -{
18539 - unsigned long cr4;
18540 -
18541 - mmu_cr4_features &= ~mask;
18542 - if (trampoline_cr4_features)
18543 - *trampoline_cr4_features = mmu_cr4_features;
18544 - cr4 = read_cr4();
18545 - cr4 &= ~mask;
18546 - write_cr4(cr4);
18547 -}
18548 +extern void set_in_cr4(unsigned long mask);
18549 +extern void clear_in_cr4(unsigned long mask);
18550
18551 typedef struct {
18552 unsigned long seg;
18553 @@ -837,11 +829,18 @@ static inline void spin_lock_prefetch(const void *x)
18554 */
18555 #define TASK_SIZE PAGE_OFFSET
18556 #define TASK_SIZE_MAX TASK_SIZE
18557 +
18558 +#ifdef CONFIG_PAX_SEGMEXEC
18559 +#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2)
18560 +#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE)
18561 +#else
18562 #define STACK_TOP TASK_SIZE
18563 -#define STACK_TOP_MAX STACK_TOP
18564 +#endif
18565 +
18566 +#define STACK_TOP_MAX TASK_SIZE
18567
18568 #define INIT_THREAD { \
18569 - .sp0 = sizeof(init_stack) + (long)&init_stack, \
18570 + .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
18571 .vm86_info = NULL, \
18572 .sysenter_cs = __KERNEL_CS, \
18573 .io_bitmap_ptr = NULL, \
18574 @@ -855,7 +854,7 @@ static inline void spin_lock_prefetch(const void *x)
18575 */
18576 #define INIT_TSS { \
18577 .x86_tss = { \
18578 - .sp0 = sizeof(init_stack) + (long)&init_stack, \
18579 + .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \
18580 .ss0 = __KERNEL_DS, \
18581 .ss1 = __KERNEL_CS, \
18582 .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \
18583 @@ -866,11 +865,7 @@ static inline void spin_lock_prefetch(const void *x)
18584 extern unsigned long thread_saved_pc(struct task_struct *tsk);
18585
18586 #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long))
18587 -#define KSTK_TOP(info) \
18588 -({ \
18589 - unsigned long *__ptr = (unsigned long *)(info); \
18590 - (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \
18591 -})
18592 +#define KSTK_TOP(info) ((container_of(info, struct task_struct, tinfo))->thread.sp0)
18593
18594 /*
18595 * The below -8 is to reserve 8 bytes on top of the ring0 stack.
18596 @@ -885,7 +880,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
18597 #define task_pt_regs(task) \
18598 ({ \
18599 struct pt_regs *__regs__; \
18600 - __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
18601 + __regs__ = (struct pt_regs *)((task)->thread.sp0); \
18602 __regs__ - 1; \
18603 })
18604
18605 @@ -895,13 +890,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
18606 /*
18607 * User space process size. 47bits minus one guard page.
18608 */
18609 -#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE)
18610 +#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE)
18611
18612 /* This decides where the kernel will search for a free chunk of vm
18613 * space during mmap's.
18614 */
18615 #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \
18616 - 0xc0000000 : 0xFFFFe000)
18617 + 0xc0000000 : 0xFFFFf000)
18618
18619 #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \
18620 IA32_PAGE_OFFSET : TASK_SIZE_MAX)
18621 @@ -912,11 +907,11 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
18622 #define STACK_TOP_MAX TASK_SIZE_MAX
18623
18624 #define INIT_THREAD { \
18625 - .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
18626 + .sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
18627 }
18628
18629 #define INIT_TSS { \
18630 - .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
18631 + .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \
18632 }
18633
18634 /*
18635 @@ -944,6 +939,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
18636 */
18637 #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
18638
18639 +#ifdef CONFIG_PAX_SEGMEXEC
18640 +#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3))
18641 +#endif
18642 +
18643 #define KSTK_EIP(task) (task_pt_regs(task)->ip)
18644
18645 /* Get/set a process' ability to use the timestamp counter instruction */
18646 @@ -970,7 +969,7 @@ static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves)
18647 return 0;
18648 }
18649
18650 -extern unsigned long arch_align_stack(unsigned long sp);
18651 +#define arch_align_stack(x) ((x) & ~0xfUL)
18652 extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
18653
18654 void default_idle(void);
18655 @@ -980,6 +979,6 @@ bool xen_set_default_idle(void);
18656 #define xen_set_default_idle 0
18657 #endif
18658
18659 -void stop_this_cpu(void *dummy);
18660 +void stop_this_cpu(void *dummy) __noreturn;
18661 void df_debug(struct pt_regs *regs, long error_code);
18662 #endif /* _ASM_X86_PROCESSOR_H */
18663 diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
18664 index 86fc2bb..bd5049a 100644
18665 --- a/arch/x86/include/asm/ptrace.h
18666 +++ b/arch/x86/include/asm/ptrace.h
18667 @@ -89,28 +89,29 @@ static inline unsigned long regs_return_value(struct pt_regs *regs)
18668 }
18669
18670 /*
18671 - * user_mode_vm(regs) determines whether a register set came from user mode.
18672 + * user_mode(regs) determines whether a register set came from user mode.
18673 * This is true if V8086 mode was enabled OR if the register set was from
18674 * protected mode with RPL-3 CS value. This tricky test checks that with
18675 * one comparison. Many places in the kernel can bypass this full check
18676 - * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
18677 + * if they have already ruled out V8086 mode, so user_mode_novm(regs) can
18678 + * be used.
18679 */
18680 -static inline int user_mode(struct pt_regs *regs)
18681 +static inline int user_mode_novm(struct pt_regs *regs)
18682 {
18683 #ifdef CONFIG_X86_32
18684 return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL;
18685 #else
18686 - return !!(regs->cs & 3);
18687 + return !!(regs->cs & SEGMENT_RPL_MASK);
18688 #endif
18689 }
18690
18691 -static inline int user_mode_vm(struct pt_regs *regs)
18692 +static inline int user_mode(struct pt_regs *regs)
18693 {
18694 #ifdef CONFIG_X86_32
18695 return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
18696 USER_RPL;
18697 #else
18698 - return user_mode(regs);
18699 + return user_mode_novm(regs);
18700 #endif
18701 }
18702
18703 @@ -126,15 +127,16 @@ static inline int v8086_mode(struct pt_regs *regs)
18704 #ifdef CONFIG_X86_64
18705 static inline bool user_64bit_mode(struct pt_regs *regs)
18706 {
18707 + unsigned long cs = regs->cs & 0xffff;
18708 #ifndef CONFIG_PARAVIRT
18709 /*
18710 * On non-paravirt systems, this is the only long mode CPL 3
18711 * selector. We do not allow long mode selectors in the LDT.
18712 */
18713 - return regs->cs == __USER_CS;
18714 + return cs == __USER_CS;
18715 #else
18716 /* Headers are too twisted for this to go in paravirt.h. */
18717 - return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;
18718 + return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs;
18719 #endif
18720 }
18721
18722 @@ -185,9 +187,11 @@ static inline unsigned long regs_get_register(struct pt_regs *regs,
18723 * Traps from the kernel do not save sp and ss.
18724 * Use the helper function to retrieve sp.
18725 */
18726 - if (offset == offsetof(struct pt_regs, sp) &&
18727 - regs->cs == __KERNEL_CS)
18728 - return kernel_stack_pointer(regs);
18729 + if (offset == offsetof(struct pt_regs, sp)) {
18730 + unsigned long cs = regs->cs & 0xffff;
18731 + if (cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS)
18732 + return kernel_stack_pointer(regs);
18733 + }
18734 #endif
18735 return *(unsigned long *)((unsigned long)regs + offset);
18736 }
18737 diff --git a/arch/x86/include/asm/qrwlock.h b/arch/x86/include/asm/qrwlock.h
18738 index ae0e241..e80b10b 100644
18739 --- a/arch/x86/include/asm/qrwlock.h
18740 +++ b/arch/x86/include/asm/qrwlock.h
18741 @@ -7,8 +7,8 @@
18742 #define queue_write_unlock queue_write_unlock
18743 static inline void queue_write_unlock(struct qrwlock *lock)
18744 {
18745 - barrier();
18746 - ACCESS_ONCE(*(u8 *)&lock->cnts) = 0;
18747 + barrier();
18748 + ACCESS_ONCE_RW(*(u8 *)&lock->cnts) = 0;
18749 }
18750 #endif
18751
18752 diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
18753 index 9c6b890..5305f53 100644
18754 --- a/arch/x86/include/asm/realmode.h
18755 +++ b/arch/x86/include/asm/realmode.h
18756 @@ -22,16 +22,14 @@ struct real_mode_header {
18757 #endif
18758 /* APM/BIOS reboot */
18759 u32 machine_real_restart_asm;
18760 -#ifdef CONFIG_X86_64
18761 u32 machine_real_restart_seg;
18762 -#endif
18763 };
18764
18765 /* This must match data at trampoline_32/64.S */
18766 struct trampoline_header {
18767 #ifdef CONFIG_X86_32
18768 u32 start;
18769 - u16 gdt_pad;
18770 + u16 boot_cs;
18771 u16 gdt_limit;
18772 u32 gdt_base;
18773 #else
18774 diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
18775 index a82c4f1..ac45053 100644
18776 --- a/arch/x86/include/asm/reboot.h
18777 +++ b/arch/x86/include/asm/reboot.h
18778 @@ -6,13 +6,13 @@
18779 struct pt_regs;
18780
18781 struct machine_ops {
18782 - void (*restart)(char *cmd);
18783 - void (*halt)(void);
18784 - void (*power_off)(void);
18785 + void (* __noreturn restart)(char *cmd);
18786 + void (* __noreturn halt)(void);
18787 + void (* __noreturn power_off)(void);
18788 void (*shutdown)(void);
18789 void (*crash_shutdown)(struct pt_regs *);
18790 - void (*emergency_restart)(void);
18791 -};
18792 + void (* __noreturn emergency_restart)(void);
18793 +} __no_const;
18794
18795 extern struct machine_ops machine_ops;
18796
18797 diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h
18798 index 8f7866a..e442f20 100644
18799 --- a/arch/x86/include/asm/rmwcc.h
18800 +++ b/arch/x86/include/asm/rmwcc.h
18801 @@ -3,7 +3,34 @@
18802
18803 #ifdef CC_HAVE_ASM_GOTO
18804
18805 -#define __GEN_RMWcc(fullop, var, cc, ...) \
18806 +#ifdef CONFIG_PAX_REFCOUNT
18807 +#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \
18808 +do { \
18809 + asm_volatile_goto (fullop \
18810 + ";jno 0f\n" \
18811 + fullantiop \
18812 + ";int $4\n0:\n" \
18813 + _ASM_EXTABLE(0b, 0b) \
18814 + ";j" cc " %l[cc_label]" \
18815 + : : "m" (var), ## __VA_ARGS__ \
18816 + : "memory" : cc_label); \
18817 + return 0; \
18818 +cc_label: \
18819 + return 1; \
18820 +} while (0)
18821 +#else
18822 +#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \
18823 +do { \
18824 + asm_volatile_goto (fullop ";j" cc " %l[cc_label]" \
18825 + : : "m" (var), ## __VA_ARGS__ \
18826 + : "memory" : cc_label); \
18827 + return 0; \
18828 +cc_label: \
18829 + return 1; \
18830 +} while (0)
18831 +#endif
18832 +
18833 +#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \
18834 do { \
18835 asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \
18836 : : "m" (var), ## __VA_ARGS__ \
18837 @@ -13,15 +40,46 @@ cc_label: \
18838 return 1; \
18839 } while (0)
18840
18841 -#define GEN_UNARY_RMWcc(op, var, arg0, cc) \
18842 - __GEN_RMWcc(op " " arg0, var, cc)
18843 +#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \
18844 + __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc)
18845
18846 -#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
18847 - __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val))
18848 +#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \
18849 + __GEN_RMWcc_unchecked(op " " arg0, var, cc)
18850 +
18851 +#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \
18852 + __GEN_RMWcc(op " %1, " arg0, antiop " %1, " arg0, var, cc, vcon (val))
18853 +
18854 +#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \
18855 + __GEN_RMWcc_unchecked(op " %1, " arg0, var, cc, vcon (val))
18856
18857 #else /* !CC_HAVE_ASM_GOTO */
18858
18859 -#define __GEN_RMWcc(fullop, var, cc, ...) \
18860 +#ifdef CONFIG_PAX_REFCOUNT
18861 +#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \
18862 +do { \
18863 + char c; \
18864 + asm volatile (fullop \
18865 + ";jno 0f\n" \
18866 + fullantiop \
18867 + ";int $4\n0:\n" \
18868 + _ASM_EXTABLE(0b, 0b) \
18869 + "; set" cc " %1" \
18870 + : "+m" (var), "=qm" (c) \
18871 + : __VA_ARGS__ : "memory"); \
18872 + return c != 0; \
18873 +} while (0)
18874 +#else
18875 +#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \
18876 +do { \
18877 + char c; \
18878 + asm volatile (fullop "; set" cc " %1" \
18879 + : "+m" (var), "=qm" (c) \
18880 + : __VA_ARGS__ : "memory"); \
18881 + return c != 0; \
18882 +} while (0)
18883 +#endif
18884 +
18885 +#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \
18886 do { \
18887 char c; \
18888 asm volatile (fullop "; set" cc " %1" \
18889 @@ -30,11 +88,17 @@ do { \
18890 return c != 0; \
18891 } while (0)
18892
18893 -#define GEN_UNARY_RMWcc(op, var, arg0, cc) \
18894 - __GEN_RMWcc(op " " arg0, var, cc)
18895 +#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \
18896 + __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc)
18897 +
18898 +#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \
18899 + __GEN_RMWcc_unchecked(op " " arg0, var, cc)
18900 +
18901 +#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \
18902 + __GEN_RMWcc(op " %2, " arg0, antiop " %2, " arg0, var, cc, vcon (val))
18903
18904 -#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
18905 - __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val))
18906 +#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \
18907 + __GEN_RMWcc_unchecked(op " %2, " arg0, var, cc, vcon (val))
18908
18909 #endif /* CC_HAVE_ASM_GOTO */
18910
18911 diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
18912 index cad82c9..2e5c5c1 100644
18913 --- a/arch/x86/include/asm/rwsem.h
18914 +++ b/arch/x86/include/asm/rwsem.h
18915 @@ -64,6 +64,14 @@ static inline void __down_read(struct rw_semaphore *sem)
18916 {
18917 asm volatile("# beginning down_read\n\t"
18918 LOCK_PREFIX _ASM_INC "(%1)\n\t"
18919 +
18920 +#ifdef CONFIG_PAX_REFCOUNT
18921 + "jno 0f\n"
18922 + LOCK_PREFIX _ASM_DEC "(%1)\n"
18923 + "int $4\n0:\n"
18924 + _ASM_EXTABLE(0b, 0b)
18925 +#endif
18926 +
18927 /* adds 0x00000001 */
18928 " jns 1f\n"
18929 " call call_rwsem_down_read_failed\n"
18930 @@ -85,6 +93,14 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
18931 "1:\n\t"
18932 " mov %1,%2\n\t"
18933 " add %3,%2\n\t"
18934 +
18935 +#ifdef CONFIG_PAX_REFCOUNT
18936 + "jno 0f\n"
18937 + "sub %3,%2\n"
18938 + "int $4\n0:\n"
18939 + _ASM_EXTABLE(0b, 0b)
18940 +#endif
18941 +
18942 " jle 2f\n\t"
18943 LOCK_PREFIX " cmpxchg %2,%0\n\t"
18944 " jnz 1b\n\t"
18945 @@ -104,6 +120,14 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
18946 long tmp;
18947 asm volatile("# beginning down_write\n\t"
18948 LOCK_PREFIX " xadd %1,(%2)\n\t"
18949 +
18950 +#ifdef CONFIG_PAX_REFCOUNT
18951 + "jno 0f\n"
18952 + "mov %1,(%2)\n"
18953 + "int $4\n0:\n"
18954 + _ASM_EXTABLE(0b, 0b)
18955 +#endif
18956 +
18957 /* adds 0xffff0001, returns the old value */
18958 " test " __ASM_SEL(%w1,%k1) "," __ASM_SEL(%w1,%k1) "\n\t"
18959 /* was the active mask 0 before? */
18960 @@ -155,6 +179,14 @@ static inline void __up_read(struct rw_semaphore *sem)
18961 long tmp;
18962 asm volatile("# beginning __up_read\n\t"
18963 LOCK_PREFIX " xadd %1,(%2)\n\t"
18964 +
18965 +#ifdef CONFIG_PAX_REFCOUNT
18966 + "jno 0f\n"
18967 + "mov %1,(%2)\n"
18968 + "int $4\n0:\n"
18969 + _ASM_EXTABLE(0b, 0b)
18970 +#endif
18971 +
18972 /* subtracts 1, returns the old value */
18973 " jns 1f\n\t"
18974 " call call_rwsem_wake\n" /* expects old value in %edx */
18975 @@ -173,6 +205,14 @@ static inline void __up_write(struct rw_semaphore *sem)
18976 long tmp;
18977 asm volatile("# beginning __up_write\n\t"
18978 LOCK_PREFIX " xadd %1,(%2)\n\t"
18979 +
18980 +#ifdef CONFIG_PAX_REFCOUNT
18981 + "jno 0f\n"
18982 + "mov %1,(%2)\n"
18983 + "int $4\n0:\n"
18984 + _ASM_EXTABLE(0b, 0b)
18985 +#endif
18986 +
18987 /* subtracts 0xffff0001, returns the old value */
18988 " jns 1f\n\t"
18989 " call call_rwsem_wake\n" /* expects old value in %edx */
18990 @@ -190,6 +230,14 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
18991 {
18992 asm volatile("# beginning __downgrade_write\n\t"
18993 LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t"
18994 +
18995 +#ifdef CONFIG_PAX_REFCOUNT
18996 + "jno 0f\n"
18997 + LOCK_PREFIX _ASM_SUB "%2,(%1)\n"
18998 + "int $4\n0:\n"
18999 + _ASM_EXTABLE(0b, 0b)
19000 +#endif
19001 +
19002 /*
19003 * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386)
19004 * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64)
19005 @@ -208,7 +256,15 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
19006 */
19007 static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
19008 {
19009 - asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0"
19010 + asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n"
19011 +
19012 +#ifdef CONFIG_PAX_REFCOUNT
19013 + "jno 0f\n"
19014 + LOCK_PREFIX _ASM_SUB "%1,%0\n"
19015 + "int $4\n0:\n"
19016 + _ASM_EXTABLE(0b, 0b)
19017 +#endif
19018 +
19019 : "+m" (sem->count)
19020 : "er" (delta));
19021 }
19022 @@ -218,7 +274,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
19023 */
19024 static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
19025 {
19026 - return delta + xadd(&sem->count, delta);
19027 + return delta + xadd_check_overflow(&sem->count, delta);
19028 }
19029
19030 #endif /* __KERNEL__ */
19031 diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
19032 index 6f1c3a8..7744f19 100644
19033 --- a/arch/x86/include/asm/segment.h
19034 +++ b/arch/x86/include/asm/segment.h
19035 @@ -64,10 +64,15 @@
19036 * 26 - ESPFIX small SS
19037 * 27 - per-cpu [ offset to per-cpu data area ]
19038 * 28 - stack_canary-20 [ for stack protector ]
19039 - * 29 - unused
19040 - * 30 - unused
19041 + * 29 - PCI BIOS CS
19042 + * 30 - PCI BIOS DS
19043 * 31 - TSS for double fault handler
19044 */
19045 +#define GDT_ENTRY_KERNEXEC_EFI_CS (1)
19046 +#define GDT_ENTRY_KERNEXEC_EFI_DS (2)
19047 +#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8)
19048 +#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8)
19049 +
19050 #define GDT_ENTRY_TLS_MIN 6
19051 #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
19052
19053 @@ -79,6 +84,8 @@
19054
19055 #define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE+0)
19056
19057 +#define GDT_ENTRY_KERNEXEC_KERNEL_CS (4)
19058 +
19059 #define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE+1)
19060
19061 #define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE+4)
19062 @@ -104,6 +111,12 @@
19063 #define __KERNEL_STACK_CANARY 0
19064 #endif
19065
19066 +#define GDT_ENTRY_PCIBIOS_CS (GDT_ENTRY_KERNEL_BASE+17)
19067 +#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8)
19068 +
19069 +#define GDT_ENTRY_PCIBIOS_DS (GDT_ENTRY_KERNEL_BASE+18)
19070 +#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8)
19071 +
19072 #define GDT_ENTRY_DOUBLEFAULT_TSS 31
19073
19074 /*
19075 @@ -141,7 +154,7 @@
19076 */
19077
19078 /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */
19079 -#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8)
19080 +#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16)
19081
19082
19083 #else
19084 @@ -165,6 +178,8 @@
19085 #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8+3)
19086 #define __USER32_DS __USER_DS
19087
19088 +#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7
19089 +
19090 #define GDT_ENTRY_TSS 8 /* needs two entries */
19091 #define GDT_ENTRY_LDT 10 /* needs two entries */
19092 #define GDT_ENTRY_TLS_MIN 12
19093 @@ -173,6 +188,8 @@
19094 #define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */
19095 #define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3)
19096
19097 +#define GDT_ENTRY_UDEREF_KERNEL_DS 16
19098 +
19099 /* TLS indexes for 64bit - hardcoded in arch_prctl */
19100 #define FS_TLS 0
19101 #define GS_TLS 1
19102 @@ -180,12 +197,14 @@
19103 #define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3)
19104 #define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3)
19105
19106 -#define GDT_ENTRIES 16
19107 +#define GDT_ENTRIES 17
19108
19109 #endif
19110
19111 #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8)
19112 +#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8)
19113 #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8)
19114 +#define __UDEREF_KERNEL_DS (GDT_ENTRY_UDEREF_KERNEL_DS*8)
19115 #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8+3)
19116 #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8+3)
19117 #ifndef CONFIG_PARAVIRT
19118 @@ -268,7 +287,7 @@ static inline unsigned long get_limit(unsigned long segment)
19119 {
19120 unsigned long __limit;
19121 asm("lsll %1,%0" : "=r" (__limit) : "r" (segment));
19122 - return __limit + 1;
19123 + return __limit;
19124 }
19125
19126 #endif /* !__ASSEMBLY__ */
19127 diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h
19128 index 8d3120f..352b440 100644
19129 --- a/arch/x86/include/asm/smap.h
19130 +++ b/arch/x86/include/asm/smap.h
19131 @@ -25,11 +25,40 @@
19132
19133 #include <asm/alternative-asm.h>
19134
19135 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19136 +#define ASM_PAX_OPEN_USERLAND \
19137 + 661: jmp 663f; \
19138 + .pushsection .altinstr_replacement, "a" ; \
19139 + 662: pushq %rax; nop; \
19140 + .popsection ; \
19141 + .pushsection .altinstructions, "a" ; \
19142 + altinstruction_entry 661b, 662b, X86_FEATURE_STRONGUDEREF, 2, 2;\
19143 + .popsection ; \
19144 + call __pax_open_userland; \
19145 + popq %rax; \
19146 + 663:
19147 +
19148 +#define ASM_PAX_CLOSE_USERLAND \
19149 + 661: jmp 663f; \
19150 + .pushsection .altinstr_replacement, "a" ; \
19151 + 662: pushq %rax; nop; \
19152 + .popsection; \
19153 + .pushsection .altinstructions, "a" ; \
19154 + altinstruction_entry 661b, 662b, X86_FEATURE_STRONGUDEREF, 2, 2;\
19155 + .popsection; \
19156 + call __pax_close_userland; \
19157 + popq %rax; \
19158 + 663:
19159 +#else
19160 +#define ASM_PAX_OPEN_USERLAND
19161 +#define ASM_PAX_CLOSE_USERLAND
19162 +#endif
19163 +
19164 #ifdef CONFIG_X86_SMAP
19165
19166 #define ASM_CLAC \
19167 661: ASM_NOP3 ; \
19168 - .pushsection .altinstr_replacement, "ax" ; \
19169 + .pushsection .altinstr_replacement, "a" ; \
19170 662: __ASM_CLAC ; \
19171 .popsection ; \
19172 .pushsection .altinstructions, "a" ; \
19173 @@ -38,7 +67,7 @@
19174
19175 #define ASM_STAC \
19176 661: ASM_NOP3 ; \
19177 - .pushsection .altinstr_replacement, "ax" ; \
19178 + .pushsection .altinstr_replacement, "a" ; \
19179 662: __ASM_STAC ; \
19180 .popsection ; \
19181 .pushsection .altinstructions, "a" ; \
19182 @@ -56,6 +85,37 @@
19183
19184 #include <asm/alternative.h>
19185
19186 +#define __HAVE_ARCH_PAX_OPEN_USERLAND
19187 +#define __HAVE_ARCH_PAX_CLOSE_USERLAND
19188 +
19189 +extern void __pax_open_userland(void);
19190 +static __always_inline unsigned long pax_open_userland(void)
19191 +{
19192 +
19193 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19194 + asm volatile(ALTERNATIVE(ASM_NOP5, "call %P[open]", X86_FEATURE_STRONGUDEREF)
19195 + :
19196 + : [open] "i" (__pax_open_userland)
19197 + : "memory", "rax");
19198 +#endif
19199 +
19200 + return 0;
19201 +}
19202 +
19203 +extern void __pax_close_userland(void);
19204 +static __always_inline unsigned long pax_close_userland(void)
19205 +{
19206 +
19207 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19208 + asm volatile(ALTERNATIVE(ASM_NOP5, "call %P[close]", X86_FEATURE_STRONGUDEREF)
19209 + :
19210 + : [close] "i" (__pax_close_userland)
19211 + : "memory", "rax");
19212 +#endif
19213 +
19214 + return 0;
19215 +}
19216 +
19217 #ifdef CONFIG_X86_SMAP
19218
19219 static __always_inline void clac(void)
19220 diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
19221 index 8cd1cc3..827e09e 100644
19222 --- a/arch/x86/include/asm/smp.h
19223 +++ b/arch/x86/include/asm/smp.h
19224 @@ -35,7 +35,7 @@ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map);
19225 /* cpus sharing the last level cache: */
19226 DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map);
19227 DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id);
19228 -DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number);
19229 +DECLARE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number);
19230
19231 static inline struct cpumask *cpu_sibling_mask(int cpu)
19232 {
19233 @@ -78,7 +78,7 @@ struct smp_ops {
19234
19235 void (*send_call_func_ipi)(const struct cpumask *mask);
19236 void (*send_call_func_single_ipi)(int cpu);
19237 -};
19238 +} __no_const;
19239
19240 /* Globals due to paravirt */
19241 extern void set_cpu_sibling_map(int cpu);
19242 @@ -191,14 +191,8 @@ extern unsigned disabled_cpus;
19243 extern int safe_smp_processor_id(void);
19244
19245 #elif defined(CONFIG_X86_64_SMP)
19246 -#define raw_smp_processor_id() (this_cpu_read(cpu_number))
19247 -
19248 -#define stack_smp_processor_id() \
19249 -({ \
19250 - struct thread_info *ti; \
19251 - __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \
19252 - ti->cpu; \
19253 -})
19254 +#define raw_smp_processor_id() (this_cpu_read(cpu_number))
19255 +#define stack_smp_processor_id() raw_smp_processor_id()
19256 #define safe_smp_processor_id() smp_processor_id()
19257
19258 #endif
19259 diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
19260 index 6a99859..03cb807 100644
19261 --- a/arch/x86/include/asm/stackprotector.h
19262 +++ b/arch/x86/include/asm/stackprotector.h
19263 @@ -47,7 +47,7 @@
19264 * head_32 for boot CPU and setup_per_cpu_areas() for others.
19265 */
19266 #define GDT_STACK_CANARY_INIT \
19267 - [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18),
19268 + [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17),
19269
19270 /*
19271 * Initialize the stackprotector canary value.
19272 @@ -112,7 +112,7 @@ static inline void setup_stack_canary_segment(int cpu)
19273
19274 static inline void load_stack_canary_segment(void)
19275 {
19276 -#ifdef CONFIG_X86_32
19277 +#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF)
19278 asm volatile ("mov %0, %%gs" : : "r" (0));
19279 #endif
19280 }
19281 diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
19282 index 70bbe39..4ae2bd4 100644
19283 --- a/arch/x86/include/asm/stacktrace.h
19284 +++ b/arch/x86/include/asm/stacktrace.h
19285 @@ -11,28 +11,20 @@
19286
19287 extern int kstack_depth_to_print;
19288
19289 -struct thread_info;
19290 +struct task_struct;
19291 struct stacktrace_ops;
19292
19293 -typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
19294 - unsigned long *stack,
19295 - unsigned long bp,
19296 - const struct stacktrace_ops *ops,
19297 - void *data,
19298 - unsigned long *end,
19299 - int *graph);
19300 +typedef unsigned long walk_stack_t(struct task_struct *task,
19301 + void *stack_start,
19302 + unsigned long *stack,
19303 + unsigned long bp,
19304 + const struct stacktrace_ops *ops,
19305 + void *data,
19306 + unsigned long *end,
19307 + int *graph);
19308
19309 -extern unsigned long
19310 -print_context_stack(struct thread_info *tinfo,
19311 - unsigned long *stack, unsigned long bp,
19312 - const struct stacktrace_ops *ops, void *data,
19313 - unsigned long *end, int *graph);
19314 -
19315 -extern unsigned long
19316 -print_context_stack_bp(struct thread_info *tinfo,
19317 - unsigned long *stack, unsigned long bp,
19318 - const struct stacktrace_ops *ops, void *data,
19319 - unsigned long *end, int *graph);
19320 +extern walk_stack_t print_context_stack;
19321 +extern walk_stack_t print_context_stack_bp;
19322
19323 /* Generic stack tracer with callbacks */
19324
19325 @@ -40,7 +32,7 @@ struct stacktrace_ops {
19326 void (*address)(void *data, unsigned long address, int reliable);
19327 /* On negative return stop dumping */
19328 int (*stack)(void *data, char *name);
19329 - walk_stack_t walk_stack;
19330 + walk_stack_t *walk_stack;
19331 };
19332
19333 void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
19334 diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
19335 index d7f3b3b..3cc39f1 100644
19336 --- a/arch/x86/include/asm/switch_to.h
19337 +++ b/arch/x86/include/asm/switch_to.h
19338 @@ -108,7 +108,7 @@ do { \
19339 "call __switch_to\n\t" \
19340 "movq "__percpu_arg([current_task])",%%rsi\n\t" \
19341 __switch_canary \
19342 - "movq %P[thread_info](%%rsi),%%r8\n\t" \
19343 + "movq "__percpu_arg([thread_info])",%%r8\n\t" \
19344 "movq %%rax,%%rdi\n\t" \
19345 "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \
19346 "jnz ret_from_fork\n\t" \
19347 @@ -119,7 +119,7 @@ do { \
19348 [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \
19349 [ti_flags] "i" (offsetof(struct thread_info, flags)), \
19350 [_tif_fork] "i" (_TIF_FORK), \
19351 - [thread_info] "i" (offsetof(struct task_struct, stack)), \
19352 + [thread_info] "m" (current_tinfo), \
19353 [current_task] "m" (current_task) \
19354 __switch_canary_iparam \
19355 : "memory", "cc" __EXTRA_CLOBBER)
19356 diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
19357 index 547e344..6be1175 100644
19358 --- a/arch/x86/include/asm/thread_info.h
19359 +++ b/arch/x86/include/asm/thread_info.h
19360 @@ -24,7 +24,6 @@ struct exec_domain;
19361 #include <linux/atomic.h>
19362
19363 struct thread_info {
19364 - struct task_struct *task; /* main task structure */
19365 struct exec_domain *exec_domain; /* execution domain */
19366 __u32 flags; /* low level flags */
19367 __u32 status; /* thread synchronous flags */
19368 @@ -33,13 +32,13 @@ struct thread_info {
19369 mm_segment_t addr_limit;
19370 struct restart_block restart_block;
19371 void __user *sysenter_return;
19372 + unsigned long lowest_stack;
19373 unsigned int sig_on_uaccess_error:1;
19374 unsigned int uaccess_err:1; /* uaccess failed */
19375 };
19376
19377 -#define INIT_THREAD_INFO(tsk) \
19378 +#define INIT_THREAD_INFO \
19379 { \
19380 - .task = &tsk, \
19381 .exec_domain = &default_exec_domain, \
19382 .flags = 0, \
19383 .cpu = 0, \
19384 @@ -50,7 +49,7 @@ struct thread_info {
19385 }, \
19386 }
19387
19388 -#define init_thread_info (init_thread_union.thread_info)
19389 +#define init_thread_info (init_thread_union.stack)
19390 #define init_stack (init_thread_union.stack)
19391
19392 #else /* !__ASSEMBLY__ */
19393 @@ -91,6 +90,7 @@ struct thread_info {
19394 #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */
19395 #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */
19396 #define TIF_X32 30 /* 32-bit native x86-64 binary */
19397 +#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */
19398
19399 #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
19400 #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
19401 @@ -115,17 +115,18 @@ struct thread_info {
19402 #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
19403 #define _TIF_ADDR32 (1 << TIF_ADDR32)
19404 #define _TIF_X32 (1 << TIF_X32)
19405 +#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID)
19406
19407 /* work to do in syscall_trace_enter() */
19408 #define _TIF_WORK_SYSCALL_ENTRY \
19409 (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \
19410 _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT | \
19411 - _TIF_NOHZ)
19412 + _TIF_NOHZ | _TIF_GRSEC_SETXID)
19413
19414 /* work to do in syscall_trace_leave() */
19415 #define _TIF_WORK_SYSCALL_EXIT \
19416 (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \
19417 - _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ)
19418 + _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID)
19419
19420 /* work to do on interrupt/exception return */
19421 #define _TIF_WORK_MASK \
19422 @@ -136,7 +137,7 @@ struct thread_info {
19423 /* work to do on any return to user space */
19424 #define _TIF_ALLWORK_MASK \
19425 ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \
19426 - _TIF_NOHZ)
19427 + _TIF_NOHZ | _TIF_GRSEC_SETXID)
19428
19429 /* Only used for 64 bit */
19430 #define _TIF_DO_NOTIFY_MASK \
19431 @@ -151,7 +152,6 @@ struct thread_info {
19432 #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW)
19433
19434 #define STACK_WARN (THREAD_SIZE/8)
19435 -#define KERNEL_STACK_OFFSET (5*(BITS_PER_LONG/8))
19436
19437 /*
19438 * macros/functions for gaining access to the thread information structure
19439 @@ -162,26 +162,18 @@ struct thread_info {
19440
19441 DECLARE_PER_CPU(unsigned long, kernel_stack);
19442
19443 +DECLARE_PER_CPU(struct thread_info *, current_tinfo);
19444 +
19445 static inline struct thread_info *current_thread_info(void)
19446 {
19447 - struct thread_info *ti;
19448 - ti = (void *)(this_cpu_read_stable(kernel_stack) +
19449 - KERNEL_STACK_OFFSET - THREAD_SIZE);
19450 - return ti;
19451 + return this_cpu_read_stable(current_tinfo);
19452 }
19453
19454 #else /* !__ASSEMBLY__ */
19455
19456 /* how to get the thread information struct from ASM */
19457 #define GET_THREAD_INFO(reg) \
19458 - _ASM_MOV PER_CPU_VAR(kernel_stack),reg ; \
19459 - _ASM_SUB $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg ;
19460 -
19461 -/*
19462 - * Same if PER_CPU_VAR(kernel_stack) is, perhaps with some offset, already in
19463 - * a certain register (to be used in assembler memory operands).
19464 - */
19465 -#define THREAD_INFO(reg, off) KERNEL_STACK_OFFSET+(off)-THREAD_SIZE(reg)
19466 + _ASM_MOV PER_CPU_VAR(current_tinfo),reg ;
19467
19468 #endif
19469
19470 @@ -237,5 +229,12 @@ static inline bool is_ia32_task(void)
19471 extern void arch_task_cache_init(void);
19472 extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
19473 extern void arch_release_task_struct(struct task_struct *tsk);
19474 +
19475 +#define __HAVE_THREAD_FUNCTIONS
19476 +#define task_thread_info(task) (&(task)->tinfo)
19477 +#define task_stack_page(task) ((task)->stack)
19478 +#define setup_thread_stack(p, org) do {} while (0)
19479 +#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1)
19480 +
19481 #endif
19482 #endif /* _ASM_X86_THREAD_INFO_H */
19483 diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
19484 index 04905bf..1178cdf 100644
19485 --- a/arch/x86/include/asm/tlbflush.h
19486 +++ b/arch/x86/include/asm/tlbflush.h
19487 @@ -17,18 +17,44 @@
19488
19489 static inline void __native_flush_tlb(void)
19490 {
19491 + if (static_cpu_has(X86_FEATURE_INVPCID)) {
19492 + u64 descriptor[2];
19493 +
19494 + descriptor[0] = PCID_KERNEL;
19495 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_NONGLOBAL) : "memory");
19496 + return;
19497 + }
19498 +
19499 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19500 + if (static_cpu_has(X86_FEATURE_PCID)) {
19501 + unsigned int cpu = raw_get_cpu();
19502 +
19503 + native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER);
19504 + native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL);
19505 + raw_put_cpu_no_resched();
19506 + return;
19507 + }
19508 +#endif
19509 +
19510 native_write_cr3(native_read_cr3());
19511 }
19512
19513 static inline void __native_flush_tlb_global_irq_disabled(void)
19514 {
19515 - unsigned long cr4;
19516 + if (static_cpu_has(X86_FEATURE_INVPCID)) {
19517 + u64 descriptor[2];
19518
19519 - cr4 = native_read_cr4();
19520 - /* clear PGE */
19521 - native_write_cr4(cr4 & ~X86_CR4_PGE);
19522 - /* write old PGE again and flush TLBs */
19523 - native_write_cr4(cr4);
19524 + descriptor[0] = PCID_KERNEL;
19525 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_GLOBAL) : "memory");
19526 + } else {
19527 + unsigned long cr4;
19528 +
19529 + cr4 = native_read_cr4();
19530 + /* clear PGE */
19531 + native_write_cr4(cr4 & ~X86_CR4_PGE);
19532 + /* write old PGE again and flush TLBs */
19533 + native_write_cr4(cr4);
19534 + }
19535 }
19536
19537 static inline void __native_flush_tlb_global(void)
19538 @@ -49,6 +75,41 @@ static inline void __native_flush_tlb_global(void)
19539
19540 static inline void __native_flush_tlb_single(unsigned long addr)
19541 {
19542 + if (static_cpu_has(X86_FEATURE_INVPCID)) {
19543 + u64 descriptor[2];
19544 +
19545 + descriptor[0] = PCID_KERNEL;
19546 + descriptor[1] = addr;
19547 +
19548 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19549 + if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) || addr >= TASK_SIZE_MAX) {
19550 + if (addr < TASK_SIZE_MAX)
19551 + descriptor[1] += pax_user_shadow_base;
19552 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory");
19553 + }
19554 +
19555 + descriptor[0] = PCID_USER;
19556 + descriptor[1] = addr;
19557 +#endif
19558 +
19559 + asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory");
19560 + return;
19561 + }
19562 +
19563 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19564 + if (static_cpu_has(X86_FEATURE_PCID)) {
19565 + unsigned int cpu = raw_get_cpu();
19566 +
19567 + native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH);
19568 + asm volatile("invlpg (%0)" ::"r" (addr) : "memory");
19569 + native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH);
19570 + raw_put_cpu_no_resched();
19571 +
19572 + if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) && addr < TASK_SIZE_MAX)
19573 + addr += pax_user_shadow_base;
19574 + }
19575 +#endif
19576 +
19577 asm volatile("invlpg (%0)" ::"r" (addr) : "memory");
19578 }
19579
19580 diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
19581 index 0d592e0..526f797 100644
19582 --- a/arch/x86/include/asm/uaccess.h
19583 +++ b/arch/x86/include/asm/uaccess.h
19584 @@ -7,6 +7,7 @@
19585 #include <linux/compiler.h>
19586 #include <linux/thread_info.h>
19587 #include <linux/string.h>
19588 +#include <linux/spinlock.h>
19589 #include <asm/asm.h>
19590 #include <asm/page.h>
19591 #include <asm/smap.h>
19592 @@ -29,7 +30,12 @@
19593
19594 #define get_ds() (KERNEL_DS)
19595 #define get_fs() (current_thread_info()->addr_limit)
19596 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
19597 +void __set_fs(mm_segment_t x);
19598 +void set_fs(mm_segment_t x);
19599 +#else
19600 #define set_fs(x) (current_thread_info()->addr_limit = (x))
19601 +#endif
19602
19603 #define segment_eq(a, b) ((a).seg == (b).seg)
19604
19605 @@ -85,8 +91,36 @@ static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, un
19606 * checks that the pointer is in the user space range - after calling
19607 * this function, memory access functions may still return -EFAULT.
19608 */
19609 -#define access_ok(type, addr, size) \
19610 - likely(!__range_not_ok(addr, size, user_addr_max()))
19611 +extern int _cond_resched(void);
19612 +#define access_ok_noprefault(type, addr, size) (likely(!__range_not_ok(addr, size, user_addr_max())))
19613 +#define access_ok(type, addr, size) \
19614 +({ \
19615 + unsigned long __size = size; \
19616 + unsigned long __addr = (unsigned long)addr; \
19617 + bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\
19618 + if (__ret_ao && __size) { \
19619 + unsigned long __addr_ao = __addr & PAGE_MASK; \
19620 + unsigned long __end_ao = __addr + __size - 1; \
19621 + if (unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \
19622 + while (__addr_ao <= __end_ao) { \
19623 + char __c_ao; \
19624 + __addr_ao += PAGE_SIZE; \
19625 + if (__size > PAGE_SIZE) \
19626 + _cond_resched(); \
19627 + if (__get_user(__c_ao, (char __user *)__addr)) \
19628 + break; \
19629 + if (type != VERIFY_WRITE) { \
19630 + __addr = __addr_ao; \
19631 + continue; \
19632 + } \
19633 + if (__put_user(__c_ao, (char __user *)__addr)) \
19634 + break; \
19635 + __addr = __addr_ao; \
19636 + } \
19637 + } \
19638 + } \
19639 + __ret_ao; \
19640 +})
19641
19642 /*
19643 * The exception table consists of pairs of addresses relative to the
19644 @@ -176,10 +210,12 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
19645 register __inttype(*(ptr)) __val_gu asm("%"_ASM_DX); \
19646 __chk_user_ptr(ptr); \
19647 might_fault(); \
19648 + pax_open_userland(); \
19649 asm volatile("call __get_user_%P3" \
19650 : "=a" (__ret_gu), "=r" (__val_gu) \
19651 : "0" (ptr), "i" (sizeof(*(ptr)))); \
19652 (x) = (__typeof__(*(ptr))) __val_gu; \
19653 + pax_close_userland(); \
19654 __ret_gu; \
19655 })
19656
19657 @@ -187,13 +223,21 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
19658 asm volatile("call __put_user_" #size : "=a" (__ret_pu) \
19659 : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
19660
19661 -
19662 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
19663 +#define __copyuser_seg "gs;"
19664 +#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n"
19665 +#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n"
19666 +#else
19667 +#define __copyuser_seg
19668 +#define __COPYUSER_SET_ES
19669 +#define __COPYUSER_RESTORE_ES
19670 +#endif
19671
19672 #ifdef CONFIG_X86_32
19673 #define __put_user_asm_u64(x, addr, err, errret) \
19674 asm volatile(ASM_STAC "\n" \
19675 - "1: movl %%eax,0(%2)\n" \
19676 - "2: movl %%edx,4(%2)\n" \
19677 + "1: "__copyuser_seg"movl %%eax,0(%2)\n" \
19678 + "2: "__copyuser_seg"movl %%edx,4(%2)\n" \
19679 "3: " ASM_CLAC "\n" \
19680 ".section .fixup,\"ax\"\n" \
19681 "4: movl %3,%0\n" \
19682 @@ -206,8 +250,8 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
19683
19684 #define __put_user_asm_ex_u64(x, addr) \
19685 asm volatile(ASM_STAC "\n" \
19686 - "1: movl %%eax,0(%1)\n" \
19687 - "2: movl %%edx,4(%1)\n" \
19688 + "1: "__copyuser_seg"movl %%eax,0(%1)\n" \
19689 + "2: "__copyuser_seg"movl %%edx,4(%1)\n" \
19690 "3: " ASM_CLAC "\n" \
19691 _ASM_EXTABLE_EX(1b, 2b) \
19692 _ASM_EXTABLE_EX(2b, 3b) \
19693 @@ -257,7 +301,8 @@ extern void __put_user_8(void);
19694 __typeof__(*(ptr)) __pu_val; \
19695 __chk_user_ptr(ptr); \
19696 might_fault(); \
19697 - __pu_val = x; \
19698 + __pu_val = (x); \
19699 + pax_open_userland(); \
19700 switch (sizeof(*(ptr))) { \
19701 case 1: \
19702 __put_user_x(1, __pu_val, ptr, __ret_pu); \
19703 @@ -275,6 +320,7 @@ extern void __put_user_8(void);
19704 __put_user_x(X, __pu_val, ptr, __ret_pu); \
19705 break; \
19706 } \
19707 + pax_close_userland(); \
19708 __ret_pu; \
19709 })
19710
19711 @@ -355,8 +401,10 @@ do { \
19712 } while (0)
19713
19714 #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \
19715 +do { \
19716 + pax_open_userland(); \
19717 asm volatile(ASM_STAC "\n" \
19718 - "1: mov"itype" %2,%"rtype"1\n" \
19719 + "1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\
19720 "2: " ASM_CLAC "\n" \
19721 ".section .fixup,\"ax\"\n" \
19722 "3: mov %3,%0\n" \
19723 @@ -364,8 +412,10 @@ do { \
19724 " jmp 2b\n" \
19725 ".previous\n" \
19726 _ASM_EXTABLE(1b, 3b) \
19727 - : "=r" (err), ltype(x) \
19728 - : "m" (__m(addr)), "i" (errret), "0" (err))
19729 + : "=r" (err), ltype (x) \
19730 + : "m" (__m(addr)), "i" (errret), "0" (err)); \
19731 + pax_close_userland(); \
19732 +} while (0)
19733
19734 #define __get_user_size_ex(x, ptr, size) \
19735 do { \
19736 @@ -389,7 +439,7 @@ do { \
19737 } while (0)
19738
19739 #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
19740 - asm volatile("1: mov"itype" %1,%"rtype"0\n" \
19741 + asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\
19742 "2:\n" \
19743 _ASM_EXTABLE_EX(1b, 2b) \
19744 : ltype(x) : "m" (__m(addr)))
19745 @@ -406,13 +456,24 @@ do { \
19746 int __gu_err; \
19747 unsigned long __gu_val; \
19748 __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \
19749 - (x) = (__force __typeof__(*(ptr)))__gu_val; \
19750 + (x) = (__typeof__(*(ptr)))__gu_val; \
19751 __gu_err; \
19752 })
19753
19754 /* FIXME: this hack is definitely wrong -AK */
19755 struct __large_struct { unsigned long buf[100]; };
19756 -#define __m(x) (*(struct __large_struct __user *)(x))
19757 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19758 +#define ____m(x) \
19759 +({ \
19760 + unsigned long ____x = (unsigned long)(x); \
19761 + if (____x < pax_user_shadow_base) \
19762 + ____x += pax_user_shadow_base; \
19763 + (typeof(x))____x; \
19764 +})
19765 +#else
19766 +#define ____m(x) (x)
19767 +#endif
19768 +#define __m(x) (*(struct __large_struct __user *)____m(x))
19769
19770 /*
19771 * Tell gcc we read from memory instead of writing: this is because
19772 @@ -420,8 +481,10 @@ struct __large_struct { unsigned long buf[100]; };
19773 * aliasing issues.
19774 */
19775 #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \
19776 +do { \
19777 + pax_open_userland(); \
19778 asm volatile(ASM_STAC "\n" \
19779 - "1: mov"itype" %"rtype"1,%2\n" \
19780 + "1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\
19781 "2: " ASM_CLAC "\n" \
19782 ".section .fixup,\"ax\"\n" \
19783 "3: mov %3,%0\n" \
19784 @@ -429,10 +492,12 @@ struct __large_struct { unsigned long buf[100]; };
19785 ".previous\n" \
19786 _ASM_EXTABLE(1b, 3b) \
19787 : "=r"(err) \
19788 - : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err))
19789 + : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err));\
19790 + pax_close_userland(); \
19791 +} while (0)
19792
19793 #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \
19794 - asm volatile("1: mov"itype" %"rtype"0,%1\n" \
19795 + asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\
19796 "2:\n" \
19797 _ASM_EXTABLE_EX(1b, 2b) \
19798 : : ltype(x), "m" (__m(addr)))
19799 @@ -442,11 +507,13 @@ struct __large_struct { unsigned long buf[100]; };
19800 */
19801 #define uaccess_try do { \
19802 current_thread_info()->uaccess_err = 0; \
19803 + pax_open_userland(); \
19804 stac(); \
19805 barrier();
19806
19807 #define uaccess_catch(err) \
19808 clac(); \
19809 + pax_close_userland(); \
19810 (err) |= (current_thread_info()->uaccess_err ? -EFAULT : 0); \
19811 } while (0)
19812
19813 @@ -471,8 +538,12 @@ struct __large_struct { unsigned long buf[100]; };
19814 * On error, the variable @x is set to zero.
19815 */
19816
19817 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19818 +#define __get_user(x, ptr) get_user((x), (ptr))
19819 +#else
19820 #define __get_user(x, ptr) \
19821 __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
19822 +#endif
19823
19824 /**
19825 * __put_user: - Write a simple value into user space, with less checking.
19826 @@ -494,8 +565,12 @@ struct __large_struct { unsigned long buf[100]; };
19827 * Returns zero on success, or -EFAULT on error.
19828 */
19829
19830 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
19831 +#define __put_user(x, ptr) put_user((x), (ptr))
19832 +#else
19833 #define __put_user(x, ptr) \
19834 __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
19835 +#endif
19836
19837 #define __get_user_unaligned __get_user
19838 #define __put_user_unaligned __put_user
19839 @@ -513,7 +588,7 @@ struct __large_struct { unsigned long buf[100]; };
19840 #define get_user_ex(x, ptr) do { \
19841 unsigned long __gue_val; \
19842 __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \
19843 - (x) = (__force __typeof__(*(ptr)))__gue_val; \
19844 + (x) = (__typeof__(*(ptr)))__gue_val; \
19845 } while (0)
19846
19847 #define put_user_try uaccess_try
19848 @@ -542,18 +617,19 @@ extern void __cmpxchg_wrong_size(void)
19849 __typeof__(ptr) __uval = (uval); \
19850 __typeof__(*(ptr)) __old = (old); \
19851 __typeof__(*(ptr)) __new = (new); \
19852 + pax_open_userland(); \
19853 switch (size) { \
19854 case 1: \
19855 { \
19856 asm volatile("\t" ASM_STAC "\n" \
19857 - "1:\t" LOCK_PREFIX "cmpxchgb %4, %2\n" \
19858 + "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgb %4, %2\n"\
19859 "2:\t" ASM_CLAC "\n" \
19860 "\t.section .fixup, \"ax\"\n" \
19861 "3:\tmov %3, %0\n" \
19862 "\tjmp 2b\n" \
19863 "\t.previous\n" \
19864 _ASM_EXTABLE(1b, 3b) \
19865 - : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
19866 + : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\
19867 : "i" (-EFAULT), "q" (__new), "1" (__old) \
19868 : "memory" \
19869 ); \
19870 @@ -562,14 +638,14 @@ extern void __cmpxchg_wrong_size(void)
19871 case 2: \
19872 { \
19873 asm volatile("\t" ASM_STAC "\n" \
19874 - "1:\t" LOCK_PREFIX "cmpxchgw %4, %2\n" \
19875 + "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgw %4, %2\n"\
19876 "2:\t" ASM_CLAC "\n" \
19877 "\t.section .fixup, \"ax\"\n" \
19878 "3:\tmov %3, %0\n" \
19879 "\tjmp 2b\n" \
19880 "\t.previous\n" \
19881 _ASM_EXTABLE(1b, 3b) \
19882 - : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
19883 + : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\
19884 : "i" (-EFAULT), "r" (__new), "1" (__old) \
19885 : "memory" \
19886 ); \
19887 @@ -578,14 +654,14 @@ extern void __cmpxchg_wrong_size(void)
19888 case 4: \
19889 { \
19890 asm volatile("\t" ASM_STAC "\n" \
19891 - "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" \
19892 + "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"\
19893 "2:\t" ASM_CLAC "\n" \
19894 "\t.section .fixup, \"ax\"\n" \
19895 "3:\tmov %3, %0\n" \
19896 "\tjmp 2b\n" \
19897 "\t.previous\n" \
19898 _ASM_EXTABLE(1b, 3b) \
19899 - : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
19900 + : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\
19901 : "i" (-EFAULT), "r" (__new), "1" (__old) \
19902 : "memory" \
19903 ); \
19904 @@ -597,14 +673,14 @@ extern void __cmpxchg_wrong_size(void)
19905 __cmpxchg_wrong_size(); \
19906 \
19907 asm volatile("\t" ASM_STAC "\n" \
19908 - "1:\t" LOCK_PREFIX "cmpxchgq %4, %2\n" \
19909 + "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgq %4, %2\n"\
19910 "2:\t" ASM_CLAC "\n" \
19911 "\t.section .fixup, \"ax\"\n" \
19912 "3:\tmov %3, %0\n" \
19913 "\tjmp 2b\n" \
19914 "\t.previous\n" \
19915 _ASM_EXTABLE(1b, 3b) \
19916 - : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
19917 + : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\
19918 : "i" (-EFAULT), "r" (__new), "1" (__old) \
19919 : "memory" \
19920 ); \
19921 @@ -613,6 +689,7 @@ extern void __cmpxchg_wrong_size(void)
19922 default: \
19923 __cmpxchg_wrong_size(); \
19924 } \
19925 + pax_close_userland(); \
19926 *__uval = __old; \
19927 __ret; \
19928 })
19929 @@ -636,17 +713,6 @@ extern struct movsl_mask {
19930
19931 #define ARCH_HAS_NOCACHE_UACCESS 1
19932
19933 -#ifdef CONFIG_X86_32
19934 -# include <asm/uaccess_32.h>
19935 -#else
19936 -# include <asm/uaccess_64.h>
19937 -#endif
19938 -
19939 -unsigned long __must_check _copy_from_user(void *to, const void __user *from,
19940 - unsigned n);
19941 -unsigned long __must_check _copy_to_user(void __user *to, const void *from,
19942 - unsigned n);
19943 -
19944 #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
19945 # define copy_user_diag __compiletime_error
19946 #else
19947 @@ -656,7 +722,7 @@ unsigned long __must_check _copy_to_user(void __user *to, const void *from,
19948 extern void copy_user_diag("copy_from_user() buffer size is too small")
19949 copy_from_user_overflow(void);
19950 extern void copy_user_diag("copy_to_user() buffer size is too small")
19951 -copy_to_user_overflow(void) __asm__("copy_from_user_overflow");
19952 +copy_to_user_overflow(void);
19953
19954 #undef copy_user_diag
19955
19956 @@ -669,7 +735,7 @@ __copy_from_user_overflow(void) __asm__("copy_from_user_overflow");
19957
19958 extern void
19959 __compiletime_warning("copy_to_user() buffer size is not provably correct")
19960 -__copy_to_user_overflow(void) __asm__("copy_from_user_overflow");
19961 +__copy_to_user_overflow(void) __asm__("copy_to_user_overflow");
19962 #define __copy_to_user_overflow(size, count) __copy_to_user_overflow()
19963
19964 #else
19965 @@ -684,10 +750,16 @@ __copy_from_user_overflow(int size, unsigned long count)
19966
19967 #endif
19968
19969 +#ifdef CONFIG_X86_32
19970 +# include <asm/uaccess_32.h>
19971 +#else
19972 +# include <asm/uaccess_64.h>
19973 +#endif
19974 +
19975 static inline unsigned long __must_check
19976 copy_from_user(void *to, const void __user *from, unsigned long n)
19977 {
19978 - int sz = __compiletime_object_size(to);
19979 + size_t sz = __compiletime_object_size(to);
19980
19981 might_fault();
19982
19983 @@ -709,12 +781,15 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
19984 * case, and do only runtime checking for non-constant sizes.
19985 */
19986
19987 - if (likely(sz < 0 || sz >= n))
19988 - n = _copy_from_user(to, from, n);
19989 - else if(__builtin_constant_p(n))
19990 - copy_from_user_overflow();
19991 - else
19992 - __copy_from_user_overflow(sz, n);
19993 + if (likely(sz != (size_t)-1 && sz < n)) {
19994 + if(__builtin_constant_p(n))
19995 + copy_from_user_overflow();
19996 + else
19997 + __copy_from_user_overflow(sz, n);
19998 + } else if (access_ok(VERIFY_READ, from, n))
19999 + n = __copy_from_user(to, from, n);
20000 + else if ((long)n > 0)
20001 + memset(to, 0, n);
20002
20003 return n;
20004 }
20005 @@ -722,17 +797,18 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
20006 static inline unsigned long __must_check
20007 copy_to_user(void __user *to, const void *from, unsigned long n)
20008 {
20009 - int sz = __compiletime_object_size(from);
20010 + size_t sz = __compiletime_object_size(from);
20011
20012 might_fault();
20013
20014 /* See the comment in copy_from_user() above. */
20015 - if (likely(sz < 0 || sz >= n))
20016 - n = _copy_to_user(to, from, n);
20017 - else if(__builtin_constant_p(n))
20018 - copy_to_user_overflow();
20019 - else
20020 - __copy_to_user_overflow(sz, n);
20021 + if (likely(sz != (size_t)-1 && sz < n)) {
20022 + if(__builtin_constant_p(n))
20023 + copy_to_user_overflow();
20024 + else
20025 + __copy_to_user_overflow(sz, n);
20026 + } else if (access_ok(VERIFY_WRITE, to, n))
20027 + n = __copy_to_user(to, from, n);
20028
20029 return n;
20030 }
20031 diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
20032 index 3c03a5d..1071638 100644
20033 --- a/arch/x86/include/asm/uaccess_32.h
20034 +++ b/arch/x86/include/asm/uaccess_32.h
20035 @@ -43,6 +43,11 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero
20036 static __always_inline unsigned long __must_check
20037 __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
20038 {
20039 + if ((long)n < 0)
20040 + return n;
20041 +
20042 + check_object_size(from, n, true);
20043 +
20044 if (__builtin_constant_p(n)) {
20045 unsigned long ret;
20046
20047 @@ -82,12 +87,16 @@ static __always_inline unsigned long __must_check
20048 __copy_to_user(void __user *to, const void *from, unsigned long n)
20049 {
20050 might_fault();
20051 +
20052 return __copy_to_user_inatomic(to, from, n);
20053 }
20054
20055 static __always_inline unsigned long
20056 __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n)
20057 {
20058 + if ((long)n < 0)
20059 + return n;
20060 +
20061 /* Avoid zeroing the tail if the copy fails..
20062 * If 'n' is constant and 1, 2, or 4, we do still zero on a failure,
20063 * but as the zeroing behaviour is only significant when n is not
20064 @@ -137,6 +146,12 @@ static __always_inline unsigned long
20065 __copy_from_user(void *to, const void __user *from, unsigned long n)
20066 {
20067 might_fault();
20068 +
20069 + if ((long)n < 0)
20070 + return n;
20071 +
20072 + check_object_size(to, n, false);
20073 +
20074 if (__builtin_constant_p(n)) {
20075 unsigned long ret;
20076
20077 @@ -159,6 +174,10 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to,
20078 const void __user *from, unsigned long n)
20079 {
20080 might_fault();
20081 +
20082 + if ((long)n < 0)
20083 + return n;
20084 +
20085 if (__builtin_constant_p(n)) {
20086 unsigned long ret;
20087
20088 @@ -181,7 +200,10 @@ static __always_inline unsigned long
20089 __copy_from_user_inatomic_nocache(void *to, const void __user *from,
20090 unsigned long n)
20091 {
20092 - return __copy_from_user_ll_nocache_nozero(to, from, n);
20093 + if ((long)n < 0)
20094 + return n;
20095 +
20096 + return __copy_from_user_ll_nocache_nozero(to, from, n);
20097 }
20098
20099 #endif /* _ASM_X86_UACCESS_32_H */
20100 diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
20101 index 12a26b9..206c200 100644
20102 --- a/arch/x86/include/asm/uaccess_64.h
20103 +++ b/arch/x86/include/asm/uaccess_64.h
20104 @@ -10,6 +10,9 @@
20105 #include <asm/alternative.h>
20106 #include <asm/cpufeature.h>
20107 #include <asm/page.h>
20108 +#include <asm/pgtable.h>
20109 +
20110 +#define set_fs(x) (current_thread_info()->addr_limit = (x))
20111
20112 /*
20113 * Copy To/From Userspace
20114 @@ -17,14 +20,14 @@
20115
20116 /* Handles exceptions in both to and from, but doesn't do access_ok */
20117 __must_check unsigned long
20118 -copy_user_enhanced_fast_string(void *to, const void *from, unsigned len);
20119 +copy_user_enhanced_fast_string(void *to, const void *from, unsigned len) __size_overflow(3);
20120 __must_check unsigned long
20121 -copy_user_generic_string(void *to, const void *from, unsigned len);
20122 +copy_user_generic_string(void *to, const void *from, unsigned len) __size_overflow(3);
20123 __must_check unsigned long
20124 -copy_user_generic_unrolled(void *to, const void *from, unsigned len);
20125 +copy_user_generic_unrolled(void *to, const void *from, unsigned len) __size_overflow(3);
20126
20127 static __always_inline __must_check unsigned long
20128 -copy_user_generic(void *to, const void *from, unsigned len)
20129 +copy_user_generic(void *to, const void *from, unsigned long len)
20130 {
20131 unsigned ret;
20132
20133 @@ -46,121 +49,170 @@ copy_user_generic(void *to, const void *from, unsigned len)
20134 }
20135
20136 __must_check unsigned long
20137 -copy_in_user(void __user *to, const void __user *from, unsigned len);
20138 +copy_in_user(void __user *to, const void __user *from, unsigned long len);
20139
20140 static __always_inline __must_check
20141 -int __copy_from_user_nocheck(void *dst, const void __user *src, unsigned size)
20142 +unsigned long __copy_from_user_nocheck(void *dst, const void __user *src, unsigned long size)
20143 {
20144 - int ret = 0;
20145 + size_t sz = __compiletime_object_size(dst);
20146 + unsigned ret = 0;
20147 +
20148 + if (size > INT_MAX)
20149 + return size;
20150 +
20151 + check_object_size(dst, size, false);
20152 +
20153 +#ifdef CONFIG_PAX_MEMORY_UDEREF
20154 + if (!access_ok_noprefault(VERIFY_READ, src, size))
20155 + return size;
20156 +#endif
20157 +
20158 + if (unlikely(sz != (size_t)-1 && sz < size)) {
20159 + if(__builtin_constant_p(size))
20160 + copy_from_user_overflow();
20161 + else
20162 + __copy_from_user_overflow(sz, size);
20163 + return size;
20164 + }
20165
20166 if (!__builtin_constant_p(size))
20167 - return copy_user_generic(dst, (__force void *)src, size);
20168 + return copy_user_generic(dst, (__force_kernel const void *)____m(src), size);
20169 switch (size) {
20170 - case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src,
20171 + case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src,
20172 ret, "b", "b", "=q", 1);
20173 return ret;
20174 - case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src,
20175 + case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src,
20176 ret, "w", "w", "=r", 2);
20177 return ret;
20178 - case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src,
20179 + case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src,
20180 ret, "l", "k", "=r", 4);
20181 return ret;
20182 - case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src,
20183 + case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src,
20184 ret, "q", "", "=r", 8);
20185 return ret;
20186 case 10:
20187 - __get_user_asm(*(u64 *)dst, (u64 __user *)src,
20188 + __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
20189 ret, "q", "", "=r", 10);
20190 if (unlikely(ret))
20191 return ret;
20192 __get_user_asm(*(u16 *)(8 + (char *)dst),
20193 - (u16 __user *)(8 + (char __user *)src),
20194 + (const u16 __user *)(8 + (const char __user *)src),
20195 ret, "w", "w", "=r", 2);
20196 return ret;
20197 case 16:
20198 - __get_user_asm(*(u64 *)dst, (u64 __user *)src,
20199 + __get_user_asm(*(u64 *)dst, (const u64 __user *)src,
20200 ret, "q", "", "=r", 16);
20201 if (unlikely(ret))
20202 return ret;
20203 __get_user_asm(*(u64 *)(8 + (char *)dst),
20204 - (u64 __user *)(8 + (char __user *)src),
20205 + (const u64 __user *)(8 + (const char __user *)src),
20206 ret, "q", "", "=r", 8);
20207 return ret;
20208 default:
20209 - return copy_user_generic(dst, (__force void *)src, size);
20210 + return copy_user_generic(dst, (__force_kernel const void *)____m(src), size);
20211 }
20212 }
20213
20214 static __always_inline __must_check
20215 -int __copy_from_user(void *dst, const void __user *src, unsigned size)
20216 +unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size)
20217 {
20218 might_fault();
20219 return __copy_from_user_nocheck(dst, src, size);
20220 }
20221
20222 static __always_inline __must_check
20223 -int __copy_to_user_nocheck(void __user *dst, const void *src, unsigned size)
20224 +unsigned long __copy_to_user_nocheck(void __user *dst, const void *src, unsigned long size)
20225 {
20226 - int ret = 0;
20227 + size_t sz = __compiletime_object_size(src);
20228 + unsigned ret = 0;
20229 +
20230 + if (size > INT_MAX)
20231 + return size;
20232 +
20233 + check_object_size(src, size, true);
20234 +
20235 +#ifdef CONFIG_PAX_MEMORY_UDEREF
20236 + if (!access_ok_noprefault(VERIFY_WRITE, dst, size))
20237 + return size;
20238 +#endif
20239 +
20240 + if (unlikely(sz != (size_t)-1 && sz < size)) {
20241 + if(__builtin_constant_p(size))
20242 + copy_to_user_overflow();
20243 + else
20244 + __copy_to_user_overflow(sz, size);
20245 + return size;
20246 + }
20247
20248 if (!__builtin_constant_p(size))
20249 - return copy_user_generic((__force void *)dst, src, size);
20250 + return copy_user_generic((__force_kernel void *)____m(dst), src, size);
20251 switch (size) {
20252 - case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst,
20253 + case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst,
20254 ret, "b", "b", "iq", 1);
20255 return ret;
20256 - case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst,
20257 + case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst,
20258 ret, "w", "w", "ir", 2);
20259 return ret;
20260 - case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst,
20261 + case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst,
20262 ret, "l", "k", "ir", 4);
20263 return ret;
20264 - case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst,
20265 + case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst,
20266 ret, "q", "", "er", 8);
20267 return ret;
20268 case 10:
20269 - __put_user_asm(*(u64 *)src, (u64 __user *)dst,
20270 + __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
20271 ret, "q", "", "er", 10);
20272 if (unlikely(ret))
20273 return ret;
20274 asm("":::"memory");
20275 - __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst,
20276 + __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst,
20277 ret, "w", "w", "ir", 2);
20278 return ret;
20279 case 16:
20280 - __put_user_asm(*(u64 *)src, (u64 __user *)dst,
20281 + __put_user_asm(*(const u64 *)src, (u64 __user *)dst,
20282 ret, "q", "", "er", 16);
20283 if (unlikely(ret))
20284 return ret;
20285 asm("":::"memory");
20286 - __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst,
20287 + __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst,
20288 ret, "q", "", "er", 8);
20289 return ret;
20290 default:
20291 - return copy_user_generic((__force void *)dst, src, size);
20292 + return copy_user_generic((__force_kernel void *)____m(dst), src, size);
20293 }
20294 }
20295
20296 static __always_inline __must_check
20297 -int __copy_to_user(void __user *dst, const void *src, unsigned size)
20298 +unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size)
20299 {
20300 might_fault();
20301 return __copy_to_user_nocheck(dst, src, size);
20302 }
20303
20304 static __always_inline __must_check
20305 -int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20306 +unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20307 {
20308 - int ret = 0;
20309 + unsigned ret = 0;
20310
20311 might_fault();
20312 +
20313 + if (size > INT_MAX)
20314 + return size;
20315 +
20316 +#ifdef CONFIG_PAX_MEMORY_UDEREF
20317 + if (!access_ok_noprefault(VERIFY_READ, src, size))
20318 + return size;
20319 + if (!access_ok_noprefault(VERIFY_WRITE, dst, size))
20320 + return size;
20321 +#endif
20322 +
20323 if (!__builtin_constant_p(size))
20324 - return copy_user_generic((__force void *)dst,
20325 - (__force void *)src, size);
20326 + return copy_user_generic((__force_kernel void *)____m(dst),
20327 + (__force_kernel const void *)____m(src), size);
20328 switch (size) {
20329 case 1: {
20330 u8 tmp;
20331 - __get_user_asm(tmp, (u8 __user *)src,
20332 + __get_user_asm(tmp, (const u8 __user *)src,
20333 ret, "b", "b", "=q", 1);
20334 if (likely(!ret))
20335 __put_user_asm(tmp, (u8 __user *)dst,
20336 @@ -169,7 +221,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20337 }
20338 case 2: {
20339 u16 tmp;
20340 - __get_user_asm(tmp, (u16 __user *)src,
20341 + __get_user_asm(tmp, (const u16 __user *)src,
20342 ret, "w", "w", "=r", 2);
20343 if (likely(!ret))
20344 __put_user_asm(tmp, (u16 __user *)dst,
20345 @@ -179,7 +231,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20346
20347 case 4: {
20348 u32 tmp;
20349 - __get_user_asm(tmp, (u32 __user *)src,
20350 + __get_user_asm(tmp, (const u32 __user *)src,
20351 ret, "l", "k", "=r", 4);
20352 if (likely(!ret))
20353 __put_user_asm(tmp, (u32 __user *)dst,
20354 @@ -188,7 +240,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20355 }
20356 case 8: {
20357 u64 tmp;
20358 - __get_user_asm(tmp, (u64 __user *)src,
20359 + __get_user_asm(tmp, (const u64 __user *)src,
20360 ret, "q", "", "=r", 8);
20361 if (likely(!ret))
20362 __put_user_asm(tmp, (u64 __user *)dst,
20363 @@ -196,41 +248,58 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
20364 return ret;
20365 }
20366 default:
20367 - return copy_user_generic((__force void *)dst,
20368 - (__force void *)src, size);
20369 + return copy_user_generic((__force_kernel void *)____m(dst),
20370 + (__force_kernel const void *)____m(src), size);
20371 }
20372 }
20373
20374 -static __must_check __always_inline int
20375 -__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size)
20376 +static __must_check __always_inline unsigned long
20377 +__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size)
20378 {
20379 return __copy_from_user_nocheck(dst, src, size);
20380 }
20381
20382 -static __must_check __always_inline int
20383 -__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
20384 +static __must_check __always_inline unsigned long
20385 +__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size)
20386 {
20387 return __copy_to_user_nocheck(dst, src, size);
20388 }
20389
20390 -extern long __copy_user_nocache(void *dst, const void __user *src,
20391 - unsigned size, int zerorest);
20392 +extern unsigned long __copy_user_nocache(void *dst, const void __user *src,
20393 + unsigned long size, int zerorest);
20394
20395 -static inline int
20396 -__copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
20397 +static inline unsigned long
20398 +__copy_from_user_nocache(void *dst, const void __user *src, unsigned long size)
20399 {
20400 might_fault();
20401 +
20402 + if (size > INT_MAX)
20403 + return size;
20404 +
20405 +#ifdef CONFIG_PAX_MEMORY_UDEREF
20406 + if (!access_ok_noprefault(VERIFY_READ, src, size))
20407 + return size;
20408 +#endif
20409 +
20410 return __copy_user_nocache(dst, src, size, 1);
20411 }
20412
20413 -static inline int
20414 +static inline unsigned long
20415 __copy_from_user_inatomic_nocache(void *dst, const void __user *src,
20416 - unsigned size)
20417 + unsigned long size)
20418 {
20419 + if (size > INT_MAX)
20420 + return size;
20421 +
20422 +#ifdef CONFIG_PAX_MEMORY_UDEREF
20423 + if (!access_ok_noprefault(VERIFY_READ, src, size))
20424 + return size;
20425 +#endif
20426 +
20427 return __copy_user_nocache(dst, src, size, 0);
20428 }
20429
20430 unsigned long
20431 -copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest);
20432 +copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest) __size_overflow(3);
20433
20434 #endif /* _ASM_X86_UACCESS_64_H */
20435 diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h
20436 index 5b238981..77fdd78 100644
20437 --- a/arch/x86/include/asm/word-at-a-time.h
20438 +++ b/arch/x86/include/asm/word-at-a-time.h
20439 @@ -11,7 +11,7 @@
20440 * and shift, for example.
20441 */
20442 struct word_at_a_time {
20443 - const unsigned long one_bits, high_bits;
20444 + unsigned long one_bits, high_bits;
20445 };
20446
20447 #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
20448 diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
20449 index e45e4da..44e8572 100644
20450 --- a/arch/x86/include/asm/x86_init.h
20451 +++ b/arch/x86/include/asm/x86_init.h
20452 @@ -129,7 +129,7 @@ struct x86_init_ops {
20453 struct x86_init_timers timers;
20454 struct x86_init_iommu iommu;
20455 struct x86_init_pci pci;
20456 -};
20457 +} __no_const;
20458
20459 /**
20460 * struct x86_cpuinit_ops - platform specific cpu hotplug setups
20461 @@ -140,7 +140,7 @@ struct x86_cpuinit_ops {
20462 void (*setup_percpu_clockev)(void);
20463 void (*early_percpu_clock_init)(void);
20464 void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
20465 -};
20466 +} __no_const;
20467
20468 struct timespec;
20469
20470 @@ -168,7 +168,7 @@ struct x86_platform_ops {
20471 void (*save_sched_clock_state)(void);
20472 void (*restore_sched_clock_state)(void);
20473 void (*apic_post_init)(void);
20474 -};
20475 +} __no_const;
20476
20477 struct pci_dev;
20478 struct msi_msg;
20479 @@ -185,7 +185,7 @@ struct x86_msi_ops {
20480 int (*setup_hpet_msi)(unsigned int irq, unsigned int id);
20481 u32 (*msi_mask_irq)(struct msi_desc *desc, u32 mask, u32 flag);
20482 u32 (*msix_mask_irq)(struct msi_desc *desc, u32 flag);
20483 -};
20484 +} __no_const;
20485
20486 struct IO_APIC_route_entry;
20487 struct io_apic_irq_attr;
20488 @@ -206,7 +206,7 @@ struct x86_io_apic_ops {
20489 unsigned int destination, int vector,
20490 struct io_apic_irq_attr *attr);
20491 void (*eoi_ioapic_pin)(int apic, int pin, int vector);
20492 -};
20493 +} __no_const;
20494
20495 extern struct x86_init_ops x86_init;
20496 extern struct x86_cpuinit_ops x86_cpuinit;
20497 diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
20498 index c949923..c22bfa4 100644
20499 --- a/arch/x86/include/asm/xen/page.h
20500 +++ b/arch/x86/include/asm/xen/page.h
20501 @@ -63,7 +63,7 @@ extern int m2p_remove_override(struct page *page,
20502 extern struct page *m2p_find_override(unsigned long mfn);
20503 extern unsigned long m2p_find_override_pfn(unsigned long mfn, unsigned long pfn);
20504
20505 -static inline unsigned long pfn_to_mfn(unsigned long pfn)
20506 +static inline unsigned long __intentional_overflow(-1) pfn_to_mfn(unsigned long pfn)
20507 {
20508 unsigned long mfn;
20509
20510 diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
20511 index 7e7a79a..0824666 100644
20512 --- a/arch/x86/include/asm/xsave.h
20513 +++ b/arch/x86/include/asm/xsave.h
20514 @@ -228,12 +228,16 @@ static inline int xsave_user(struct xsave_struct __user *buf)
20515 if (unlikely(err))
20516 return -EFAULT;
20517
20518 + pax_open_userland();
20519 __asm__ __volatile__(ASM_STAC "\n"
20520 - "1:"XSAVE"\n"
20521 + "1:"
20522 + __copyuser_seg
20523 + XSAVE"\n"
20524 "2: " ASM_CLAC "\n"
20525 xstate_fault
20526 : "D" (buf), "a" (-1), "d" (-1), "0" (0)
20527 : "memory");
20528 + pax_close_userland();
20529 return err;
20530 }
20531
20532 @@ -243,16 +247,20 @@ static inline int xsave_user(struct xsave_struct __user *buf)
20533 static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask)
20534 {
20535 int err = 0;
20536 - struct xsave_struct *xstate = ((__force struct xsave_struct *)buf);
20537 + struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf);
20538 u32 lmask = mask;
20539 u32 hmask = mask >> 32;
20540
20541 + pax_open_userland();
20542 __asm__ __volatile__(ASM_STAC "\n"
20543 - "1:"XRSTOR"\n"
20544 + "1:"
20545 + __copyuser_seg
20546 + XRSTOR"\n"
20547 "2: " ASM_CLAC "\n"
20548 xstate_fault
20549 : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0)
20550 : "memory"); /* memory required? */
20551 + pax_close_userland();
20552 return err;
20553 }
20554
20555 diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h
20556 index d993e33..8db1b18 100644
20557 --- a/arch/x86/include/uapi/asm/e820.h
20558 +++ b/arch/x86/include/uapi/asm/e820.h
20559 @@ -58,7 +58,7 @@ struct e820map {
20560 #define ISA_START_ADDRESS 0xa0000
20561 #define ISA_END_ADDRESS 0x100000
20562
20563 -#define BIOS_BEGIN 0x000a0000
20564 +#define BIOS_BEGIN 0x000c0000
20565 #define BIOS_END 0x00100000
20566
20567 #define BIOS_ROM_BASE 0xffe00000
20568 diff --git a/arch/x86/include/uapi/asm/ptrace-abi.h b/arch/x86/include/uapi/asm/ptrace-abi.h
20569 index 7b0a55a..ad115bf 100644
20570 --- a/arch/x86/include/uapi/asm/ptrace-abi.h
20571 +++ b/arch/x86/include/uapi/asm/ptrace-abi.h
20572 @@ -49,7 +49,6 @@
20573 #define EFLAGS 144
20574 #define RSP 152
20575 #define SS 160
20576 -#define ARGOFFSET R11
20577 #endif /* __ASSEMBLY__ */
20578
20579 /* top of stack page */
20580 diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
20581 index 8f1e774..9b4c381 100644
20582 --- a/arch/x86/kernel/Makefile
20583 +++ b/arch/x86/kernel/Makefile
20584 @@ -24,7 +24,7 @@ obj-y += time.o ioport.o ldt.o dumpstack.o nmi.o
20585 obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o
20586 obj-$(CONFIG_IRQ_WORK) += irq_work.o
20587 obj-y += probe_roms.o
20588 -obj-$(CONFIG_X86_32) += i386_ksyms_32.o
20589 +obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o
20590 obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
20591 obj-$(CONFIG_X86_64) += mcount_64.o
20592 obj-y += syscall_$(BITS).o vsyscall_gtod.o
20593 diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
20594 index a142e77..6222cdd 100644
20595 --- a/arch/x86/kernel/acpi/boot.c
20596 +++ b/arch/x86/kernel/acpi/boot.c
20597 @@ -1276,7 +1276,7 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
20598 * If your system is blacklisted here, but you find that acpi=force
20599 * works for you, please contact linux-acpi@vger.kernel.org
20600 */
20601 -static struct dmi_system_id __initdata acpi_dmi_table[] = {
20602 +static const struct dmi_system_id __initconst acpi_dmi_table[] = {
20603 /*
20604 * Boxes that need ACPI disabled
20605 */
20606 @@ -1351,7 +1351,7 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
20607 };
20608
20609 /* second table for DMI checks that should run after early-quirks */
20610 -static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
20611 +static const struct dmi_system_id __initconst acpi_dmi_table_late[] = {
20612 /*
20613 * HP laptops which use a DSDT reporting as HP/SB400/10000,
20614 * which includes some code which overrides all temperature
20615 diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
20616 index 3136820..e2c6577 100644
20617 --- a/arch/x86/kernel/acpi/sleep.c
20618 +++ b/arch/x86/kernel/acpi/sleep.c
20619 @@ -99,8 +99,12 @@ int x86_acpi_suspend_lowlevel(void)
20620 #else /* CONFIG_64BIT */
20621 #ifdef CONFIG_SMP
20622 stack_start = (unsigned long)temp_stack + sizeof(temp_stack);
20623 +
20624 + pax_open_kernel();
20625 early_gdt_descr.address =
20626 (unsigned long)get_cpu_gdt_table(smp_processor_id());
20627 + pax_close_kernel();
20628 +
20629 initial_gs = per_cpu_offset(smp_processor_id());
20630 #endif
20631 initial_code = (unsigned long)wakeup_long64;
20632 diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
20633 index 665c6b7..eae4d56 100644
20634 --- a/arch/x86/kernel/acpi/wakeup_32.S
20635 +++ b/arch/x86/kernel/acpi/wakeup_32.S
20636 @@ -29,13 +29,11 @@ wakeup_pmode_return:
20637 # and restore the stack ... but you need gdt for this to work
20638 movl saved_context_esp, %esp
20639
20640 - movl %cs:saved_magic, %eax
20641 - cmpl $0x12345678, %eax
20642 + cmpl $0x12345678, saved_magic
20643 jne bogus_magic
20644
20645 # jump to place where we left off
20646 - movl saved_eip, %eax
20647 - jmp *%eax
20648 + jmp *(saved_eip)
20649
20650 bogus_magic:
20651 jmp bogus_magic
20652 diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
20653 index 703130f..27a155d 100644
20654 --- a/arch/x86/kernel/alternative.c
20655 +++ b/arch/x86/kernel/alternative.c
20656 @@ -268,6 +268,13 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
20657 */
20658 for (a = start; a < end; a++) {
20659 instr = (u8 *)&a->instr_offset + a->instr_offset;
20660 +
20661 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
20662 + instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20663 + if (instr < (u8 *)_text || (u8 *)_einittext <= instr)
20664 + instr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20665 +#endif
20666 +
20667 replacement = (u8 *)&a->repl_offset + a->repl_offset;
20668 BUG_ON(a->replacementlen > a->instrlen);
20669 BUG_ON(a->instrlen > sizeof(insnbuf));
20670 @@ -284,6 +291,11 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
20671 add_nops(insnbuf + a->replacementlen,
20672 a->instrlen - a->replacementlen);
20673
20674 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
20675 + if (instr < (u8 *)_text || (u8 *)_einittext <= instr)
20676 + instr = ktva_ktla(instr);
20677 +#endif
20678 +
20679 text_poke_early(instr, insnbuf, a->instrlen);
20680 }
20681 }
20682 @@ -299,10 +311,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end,
20683 for (poff = start; poff < end; poff++) {
20684 u8 *ptr = (u8 *)poff + *poff;
20685
20686 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
20687 + ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20688 + if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
20689 + ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20690 +#endif
20691 +
20692 if (!*poff || ptr < text || ptr >= text_end)
20693 continue;
20694 /* turn DS segment override prefix into lock prefix */
20695 - if (*ptr == 0x3e)
20696 + if (*ktla_ktva(ptr) == 0x3e)
20697 text_poke(ptr, ((unsigned char []){0xf0}), 1);
20698 }
20699 mutex_unlock(&text_mutex);
20700 @@ -317,10 +335,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end,
20701 for (poff = start; poff < end; poff++) {
20702 u8 *ptr = (u8 *)poff + *poff;
20703
20704 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
20705 + ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20706 + if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr)
20707 + ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
20708 +#endif
20709 +
20710 if (!*poff || ptr < text || ptr >= text_end)
20711 continue;
20712 /* turn lock prefix into DS segment override prefix */
20713 - if (*ptr == 0xf0)
20714 + if (*ktla_ktva(ptr) == 0xf0)
20715 text_poke(ptr, ((unsigned char []){0x3E}), 1);
20716 }
20717 mutex_unlock(&text_mutex);
20718 @@ -457,7 +481,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start,
20719
20720 BUG_ON(p->len > MAX_PATCH_LEN);
20721 /* prep the buffer with the original instructions */
20722 - memcpy(insnbuf, p->instr, p->len);
20723 + memcpy(insnbuf, ktla_ktva(p->instr), p->len);
20724 used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf,
20725 (unsigned long)p->instr, p->len);
20726
20727 @@ -504,7 +528,7 @@ void __init alternative_instructions(void)
20728 if (!uniproc_patched || num_possible_cpus() == 1)
20729 free_init_pages("SMP alternatives",
20730 (unsigned long)__smp_locks,
20731 - (unsigned long)__smp_locks_end);
20732 + PAGE_ALIGN((unsigned long)__smp_locks_end));
20733 #endif
20734
20735 apply_paravirt(__parainstructions, __parainstructions_end);
20736 @@ -524,13 +548,17 @@ void __init alternative_instructions(void)
20737 * instructions. And on the local CPU you need to be protected again NMI or MCE
20738 * handlers seeing an inconsistent instruction while you patch.
20739 */
20740 -void *__init_or_module text_poke_early(void *addr, const void *opcode,
20741 +void *__kprobes text_poke_early(void *addr, const void *opcode,
20742 size_t len)
20743 {
20744 unsigned long flags;
20745 local_irq_save(flags);
20746 - memcpy(addr, opcode, len);
20747 +
20748 + pax_open_kernel();
20749 + memcpy(ktla_ktva(addr), opcode, len);
20750 sync_core();
20751 + pax_close_kernel();
20752 +
20753 local_irq_restore(flags);
20754 /* Could also do a CLFLUSH here to speed up CPU recovery; but
20755 that causes hangs on some VIA CPUs. */
20756 @@ -552,36 +580,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode,
20757 */
20758 void *text_poke(void *addr, const void *opcode, size_t len)
20759 {
20760 - unsigned long flags;
20761 - char *vaddr;
20762 + unsigned char *vaddr = ktla_ktva(addr);
20763 struct page *pages[2];
20764 - int i;
20765 + size_t i;
20766
20767 if (!core_kernel_text((unsigned long)addr)) {
20768 - pages[0] = vmalloc_to_page(addr);
20769 - pages[1] = vmalloc_to_page(addr + PAGE_SIZE);
20770 + pages[0] = vmalloc_to_page(vaddr);
20771 + pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE);
20772 } else {
20773 - pages[0] = virt_to_page(addr);
20774 + pages[0] = virt_to_page(vaddr);
20775 WARN_ON(!PageReserved(pages[0]));
20776 - pages[1] = virt_to_page(addr + PAGE_SIZE);
20777 + pages[1] = virt_to_page(vaddr + PAGE_SIZE);
20778 }
20779 BUG_ON(!pages[0]);
20780 - local_irq_save(flags);
20781 - set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0]));
20782 - if (pages[1])
20783 - set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1]));
20784 - vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0);
20785 - memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len);
20786 - clear_fixmap(FIX_TEXT_POKE0);
20787 - if (pages[1])
20788 - clear_fixmap(FIX_TEXT_POKE1);
20789 - local_flush_tlb();
20790 - sync_core();
20791 - /* Could also do a CLFLUSH here to speed up CPU recovery; but
20792 - that causes hangs on some VIA CPUs. */
20793 + text_poke_early(addr, opcode, len);
20794 for (i = 0; i < len; i++)
20795 - BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]);
20796 - local_irq_restore(flags);
20797 + BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]);
20798 return addr;
20799 }
20800
20801 @@ -601,7 +615,7 @@ int poke_int3_handler(struct pt_regs *regs)
20802 if (likely(!bp_patching_in_progress))
20803 return 0;
20804
20805 - if (user_mode_vm(regs) || regs->ip != (unsigned long)bp_int3_addr)
20806 + if (user_mode(regs) || regs->ip != (unsigned long)bp_int3_addr)
20807 return 0;
20808
20809 /* set up the specified breakpoint handler */
20810 @@ -635,7 +649,7 @@ int poke_int3_handler(struct pt_regs *regs)
20811 */
20812 void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler)
20813 {
20814 - unsigned char int3 = 0xcc;
20815 + const unsigned char int3 = 0xcc;
20816
20817 bp_int3_handler = handler;
20818 bp_int3_addr = (u8 *)addr + sizeof(int3);
20819 diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
20820 index ba6cc04..06fd971 100644
20821 --- a/arch/x86/kernel/apic/apic.c
20822 +++ b/arch/x86/kernel/apic/apic.c
20823 @@ -201,7 +201,7 @@ int first_system_vector = 0xfe;
20824 /*
20825 * Debug level, exported for io_apic.c
20826 */
20827 -unsigned int apic_verbosity;
20828 +int apic_verbosity;
20829
20830 int pic_mode;
20831
20832 @@ -1989,7 +1989,7 @@ static inline void __smp_error_interrupt(struct pt_regs *regs)
20833 apic_write(APIC_ESR, 0);
20834 v = apic_read(APIC_ESR);
20835 ack_APIC_irq();
20836 - atomic_inc(&irq_err_count);
20837 + atomic_inc_unchecked(&irq_err_count);
20838
20839 apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x",
20840 smp_processor_id(), v);
20841 diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
20842 index de918c4..32eed23 100644
20843 --- a/arch/x86/kernel/apic/apic_flat_64.c
20844 +++ b/arch/x86/kernel/apic/apic_flat_64.c
20845 @@ -154,7 +154,7 @@ static int flat_probe(void)
20846 return 1;
20847 }
20848
20849 -static struct apic apic_flat = {
20850 +static struct apic apic_flat __read_only = {
20851 .name = "flat",
20852 .probe = flat_probe,
20853 .acpi_madt_oem_check = flat_acpi_madt_oem_check,
20854 @@ -260,7 +260,7 @@ static int physflat_probe(void)
20855 return 0;
20856 }
20857
20858 -static struct apic apic_physflat = {
20859 +static struct apic apic_physflat __read_only = {
20860
20861 .name = "physical flat",
20862 .probe = physflat_probe,
20863 diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
20864 index b205cdb..d8503ff 100644
20865 --- a/arch/x86/kernel/apic/apic_noop.c
20866 +++ b/arch/x86/kernel/apic/apic_noop.c
20867 @@ -108,7 +108,7 @@ static void noop_apic_write(u32 reg, u32 v)
20868 WARN_ON_ONCE(cpu_has_apic && !disable_apic);
20869 }
20870
20871 -struct apic apic_noop = {
20872 +struct apic apic_noop __read_only = {
20873 .name = "noop",
20874 .probe = noop_probe,
20875 .acpi_madt_oem_check = NULL,
20876 diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
20877 index c4a8d63..fe893ac 100644
20878 --- a/arch/x86/kernel/apic/bigsmp_32.c
20879 +++ b/arch/x86/kernel/apic/bigsmp_32.c
20880 @@ -147,7 +147,7 @@ static int probe_bigsmp(void)
20881 return dmi_bigsmp;
20882 }
20883
20884 -static struct apic apic_bigsmp = {
20885 +static struct apic apic_bigsmp __read_only = {
20886
20887 .name = "bigsmp",
20888 .probe = probe_bigsmp,
20889 diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
20890 index 1183d54..6158e47 100644
20891 --- a/arch/x86/kernel/apic/io_apic.c
20892 +++ b/arch/x86/kernel/apic/io_apic.c
20893 @@ -1230,7 +1230,7 @@ out:
20894 }
20895 EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
20896
20897 -void lock_vector_lock(void)
20898 +void lock_vector_lock(void) __acquires(vector_lock)
20899 {
20900 /* Used to the online set of cpus does not change
20901 * during assign_irq_vector.
20902 @@ -1238,7 +1238,7 @@ void lock_vector_lock(void)
20903 raw_spin_lock(&vector_lock);
20904 }
20905
20906 -void unlock_vector_lock(void)
20907 +void unlock_vector_lock(void) __releases(vector_lock)
20908 {
20909 raw_spin_unlock(&vector_lock);
20910 }
20911 @@ -2465,7 +2465,7 @@ static void ack_apic_edge(struct irq_data *data)
20912 ack_APIC_irq();
20913 }
20914
20915 -atomic_t irq_mis_count;
20916 +atomic_unchecked_t irq_mis_count;
20917
20918 #ifdef CONFIG_GENERIC_PENDING_IRQ
20919 static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
20920 @@ -2606,7 +2606,7 @@ static void ack_apic_level(struct irq_data *data)
20921 * at the cpu.
20922 */
20923 if (!(v & (1 << (i & 0x1f)))) {
20924 - atomic_inc(&irq_mis_count);
20925 + atomic_inc_unchecked(&irq_mis_count);
20926
20927 eoi_ioapic_irq(irq, cfg);
20928 }
20929 diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
20930 index bda4886..f9c7195 100644
20931 --- a/arch/x86/kernel/apic/probe_32.c
20932 +++ b/arch/x86/kernel/apic/probe_32.c
20933 @@ -72,7 +72,7 @@ static int probe_default(void)
20934 return 1;
20935 }
20936
20937 -static struct apic apic_default = {
20938 +static struct apic apic_default __read_only = {
20939
20940 .name = "default",
20941 .probe = probe_default,
20942 diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
20943 index e658f21..b695a1a 100644
20944 --- a/arch/x86/kernel/apic/x2apic_cluster.c
20945 +++ b/arch/x86/kernel/apic/x2apic_cluster.c
20946 @@ -182,7 +182,7 @@ update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu)
20947 return notifier_from_errno(err);
20948 }
20949
20950 -static struct notifier_block __refdata x2apic_cpu_notifier = {
20951 +static struct notifier_block x2apic_cpu_notifier = {
20952 .notifier_call = update_clusterinfo,
20953 };
20954
20955 @@ -234,7 +234,7 @@ static void cluster_vector_allocation_domain(int cpu, struct cpumask *retmask,
20956 cpumask_and(retmask, mask, per_cpu(cpus_in_cluster, cpu));
20957 }
20958
20959 -static struct apic apic_x2apic_cluster = {
20960 +static struct apic apic_x2apic_cluster __read_only = {
20961
20962 .name = "cluster x2apic",
20963 .probe = x2apic_cluster_probe,
20964 diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
20965 index 6fae733..5ca17af 100644
20966 --- a/arch/x86/kernel/apic/x2apic_phys.c
20967 +++ b/arch/x86/kernel/apic/x2apic_phys.c
20968 @@ -88,7 +88,7 @@ static int x2apic_phys_probe(void)
20969 return apic == &apic_x2apic_phys;
20970 }
20971
20972 -static struct apic apic_x2apic_phys = {
20973 +static struct apic apic_x2apic_phys __read_only = {
20974
20975 .name = "physical x2apic",
20976 .probe = x2apic_phys_probe,
20977 diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
20978 index 8e9dcfd..c61b3e4 100644
20979 --- a/arch/x86/kernel/apic/x2apic_uv_x.c
20980 +++ b/arch/x86/kernel/apic/x2apic_uv_x.c
20981 @@ -348,7 +348,7 @@ static int uv_probe(void)
20982 return apic == &apic_x2apic_uv_x;
20983 }
20984
20985 -static struct apic __refdata apic_x2apic_uv_x = {
20986 +static struct apic apic_x2apic_uv_x __read_only = {
20987
20988 .name = "UV large system",
20989 .probe = uv_probe,
20990 diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
20991 index 5848744..56cb598 100644
20992 --- a/arch/x86/kernel/apm_32.c
20993 +++ b/arch/x86/kernel/apm_32.c
20994 @@ -433,7 +433,7 @@ static DEFINE_MUTEX(apm_mutex);
20995 * This is for buggy BIOS's that refer to (real mode) segment 0x40
20996 * even though they are called in protected mode.
20997 */
20998 -static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
20999 +static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
21000 (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
21001
21002 static const char driver_version[] = "1.16ac"; /* no spaces */
21003 @@ -611,7 +611,10 @@ static long __apm_bios_call(void *_call)
21004 BUG_ON(cpu != 0);
21005 gdt = get_cpu_gdt_table(cpu);
21006 save_desc_40 = gdt[0x40 / 8];
21007 +
21008 + pax_open_kernel();
21009 gdt[0x40 / 8] = bad_bios_desc;
21010 + pax_close_kernel();
21011
21012 apm_irq_save(flags);
21013 APM_DO_SAVE_SEGS;
21014 @@ -620,7 +623,11 @@ static long __apm_bios_call(void *_call)
21015 &call->esi);
21016 APM_DO_RESTORE_SEGS;
21017 apm_irq_restore(flags);
21018 +
21019 + pax_open_kernel();
21020 gdt[0x40 / 8] = save_desc_40;
21021 + pax_close_kernel();
21022 +
21023 put_cpu();
21024
21025 return call->eax & 0xff;
21026 @@ -687,7 +694,10 @@ static long __apm_bios_call_simple(void *_call)
21027 BUG_ON(cpu != 0);
21028 gdt = get_cpu_gdt_table(cpu);
21029 save_desc_40 = gdt[0x40 / 8];
21030 +
21031 + pax_open_kernel();
21032 gdt[0x40 / 8] = bad_bios_desc;
21033 + pax_close_kernel();
21034
21035 apm_irq_save(flags);
21036 APM_DO_SAVE_SEGS;
21037 @@ -695,7 +705,11 @@ static long __apm_bios_call_simple(void *_call)
21038 &call->eax);
21039 APM_DO_RESTORE_SEGS;
21040 apm_irq_restore(flags);
21041 +
21042 + pax_open_kernel();
21043 gdt[0x40 / 8] = save_desc_40;
21044 + pax_close_kernel();
21045 +
21046 put_cpu();
21047 return error;
21048 }
21049 @@ -2350,12 +2364,15 @@ static int __init apm_init(void)
21050 * code to that CPU.
21051 */
21052 gdt = get_cpu_gdt_table(0);
21053 +
21054 + pax_open_kernel();
21055 set_desc_base(&gdt[APM_CS >> 3],
21056 (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4));
21057 set_desc_base(&gdt[APM_CS_16 >> 3],
21058 (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4));
21059 set_desc_base(&gdt[APM_DS >> 3],
21060 (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4));
21061 + pax_close_kernel();
21062
21063 proc_create("apm", 0, NULL, &apm_file_ops);
21064
21065 diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
21066 index 9f6b934..cf5ffb3 100644
21067 --- a/arch/x86/kernel/asm-offsets.c
21068 +++ b/arch/x86/kernel/asm-offsets.c
21069 @@ -32,6 +32,8 @@ void common(void) {
21070 OFFSET(TI_flags, thread_info, flags);
21071 OFFSET(TI_status, thread_info, status);
21072 OFFSET(TI_addr_limit, thread_info, addr_limit);
21073 + OFFSET(TI_lowest_stack, thread_info, lowest_stack);
21074 + DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo));
21075
21076 BLANK();
21077 OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
21078 @@ -52,8 +54,26 @@ void common(void) {
21079 OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
21080 OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0);
21081 OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
21082 +
21083 +#ifdef CONFIG_PAX_KERNEXEC
21084 + OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0);
21085 #endif
21086
21087 +#ifdef CONFIG_PAX_MEMORY_UDEREF
21088 + OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3);
21089 + OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3);
21090 +#ifdef CONFIG_X86_64
21091 + OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched);
21092 +#endif
21093 +#endif
21094 +
21095 +#endif
21096 +
21097 + BLANK();
21098 + DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
21099 + DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
21100 + DEFINE(THREAD_SIZE_asm, THREAD_SIZE);
21101 +
21102 #ifdef CONFIG_XEN
21103 BLANK();
21104 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
21105 diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
21106 index e7c798b..2b2019b 100644
21107 --- a/arch/x86/kernel/asm-offsets_64.c
21108 +++ b/arch/x86/kernel/asm-offsets_64.c
21109 @@ -77,6 +77,7 @@ int main(void)
21110 BLANK();
21111 #undef ENTRY
21112
21113 + DEFINE(TSS_size, sizeof(struct tss_struct));
21114 OFFSET(TSS_ist, tss_struct, x86_tss.ist);
21115 BLANK();
21116
21117 diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
21118 index 80091ae..0c5184f 100644
21119 --- a/arch/x86/kernel/cpu/Makefile
21120 +++ b/arch/x86/kernel/cpu/Makefile
21121 @@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg
21122 CFLAGS_REMOVE_perf_event.o = -pg
21123 endif
21124
21125 -# Make sure load_percpu_segment has no stackprotector
21126 -nostackp := $(call cc-option, -fno-stack-protector)
21127 -CFLAGS_common.o := $(nostackp)
21128 -
21129 obj-y := intel_cacheinfo.o scattered.o topology.o
21130 obj-y += common.o
21131 obj-y += rdrand.o
21132 diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
21133 index 813d29d..6e542d4 100644
21134 --- a/arch/x86/kernel/cpu/amd.c
21135 +++ b/arch/x86/kernel/cpu/amd.c
21136 @@ -718,7 +718,7 @@ static void init_amd(struct cpuinfo_x86 *c)
21137 static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size)
21138 {
21139 /* AMD errata T13 (order #21922) */
21140 - if ((c->x86 == 6)) {
21141 + if (c->x86 == 6) {
21142 /* Duron Rev A0 */
21143 if (c->x86_model == 3 && c->x86_mask == 0)
21144 size = 64;
21145 diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
21146 index cfa9b5b..19b5084 100644
21147 --- a/arch/x86/kernel/cpu/common.c
21148 +++ b/arch/x86/kernel/cpu/common.c
21149 @@ -90,60 +90,6 @@ static const struct cpu_dev default_cpu = {
21150
21151 static const struct cpu_dev *this_cpu = &default_cpu;
21152
21153 -DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = {
21154 -#ifdef CONFIG_X86_64
21155 - /*
21156 - * We need valid kernel segments for data and code in long mode too
21157 - * IRET will check the segment types kkeil 2000/10/28
21158 - * Also sysret mandates a special GDT layout
21159 - *
21160 - * TLS descriptors are currently at a different place compared to i386.
21161 - * Hopefully nobody expects them at a fixed place (Wine?)
21162 - */
21163 - [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff),
21164 - [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff),
21165 - [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff),
21166 - [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff),
21167 - [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff),
21168 - [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff),
21169 -#else
21170 - [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff),
21171 - [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
21172 - [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff),
21173 - [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff),
21174 - /*
21175 - * Segments used for calling PnP BIOS have byte granularity.
21176 - * They code segments and data segments have fixed 64k limits,
21177 - * the transfer segment sizes are set at run time.
21178 - */
21179 - /* 32-bit code */
21180 - [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
21181 - /* 16-bit code */
21182 - [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
21183 - /* 16-bit data */
21184 - [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff),
21185 - /* 16-bit data */
21186 - [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0),
21187 - /* 16-bit data */
21188 - [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0),
21189 - /*
21190 - * The APM segments have byte granularity and their bases
21191 - * are set at run time. All have 64k limits.
21192 - */
21193 - /* 32-bit code */
21194 - [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff),
21195 - /* 16-bit code */
21196 - [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff),
21197 - /* data */
21198 - [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff),
21199 -
21200 - [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
21201 - [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff),
21202 - GDT_STACK_CANARY_INIT
21203 -#endif
21204 -} };
21205 -EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
21206 -
21207 static int __init x86_xsave_setup(char *s)
21208 {
21209 if (strlen(s))
21210 @@ -305,6 +251,59 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c)
21211 }
21212 }
21213
21214 +#ifdef CONFIG_X86_64
21215 +static __init int setup_disable_pcid(char *arg)
21216 +{
21217 + setup_clear_cpu_cap(X86_FEATURE_PCID);
21218 + setup_clear_cpu_cap(X86_FEATURE_INVPCID);
21219 +
21220 +#ifdef CONFIG_PAX_MEMORY_UDEREF
21221 + if (clone_pgd_mask != ~(pgdval_t)0UL)
21222 + pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT;
21223 +#endif
21224 +
21225 + return 1;
21226 +}
21227 +__setup("nopcid", setup_disable_pcid);
21228 +
21229 +static void setup_pcid(struct cpuinfo_x86 *c)
21230 +{
21231 + if (!cpu_has(c, X86_FEATURE_PCID)) {
21232 + clear_cpu_cap(c, X86_FEATURE_INVPCID);
21233 +
21234 +#ifdef CONFIG_PAX_MEMORY_UDEREF
21235 + if (clone_pgd_mask != ~(pgdval_t)0UL) {
21236 + pax_open_kernel();
21237 + pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT;
21238 + pax_close_kernel();
21239 + printk("PAX: slow and weak UDEREF enabled\n");
21240 + } else
21241 + printk("PAX: UDEREF disabled\n");
21242 +#endif
21243 +
21244 + return;
21245 + }
21246 +
21247 + printk("PAX: PCID detected\n");
21248 + set_in_cr4(X86_CR4_PCIDE);
21249 +
21250 +#ifdef CONFIG_PAX_MEMORY_UDEREF
21251 + pax_open_kernel();
21252 + clone_pgd_mask = ~(pgdval_t)0UL;
21253 + pax_close_kernel();
21254 + if (pax_user_shadow_base)
21255 + printk("PAX: weak UDEREF enabled\n");
21256 + else {
21257 + set_cpu_cap(c, X86_FEATURE_STRONGUDEREF);
21258 + printk("PAX: strong UDEREF enabled\n");
21259 + }
21260 +#endif
21261 +
21262 + if (cpu_has(c, X86_FEATURE_INVPCID))
21263 + printk("PAX: INVPCID detected\n");
21264 +}
21265 +#endif
21266 +
21267 /*
21268 * Some CPU features depend on higher CPUID levels, which may not always
21269 * be available due to CPUID level capping or broken virtualization
21270 @@ -405,7 +404,7 @@ void switch_to_new_gdt(int cpu)
21271 {
21272 struct desc_ptr gdt_descr;
21273
21274 - gdt_descr.address = (long)get_cpu_gdt_table(cpu);
21275 + gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
21276 gdt_descr.size = GDT_SIZE - 1;
21277 load_gdt(&gdt_descr);
21278 /* Reload the per-cpu base */
21279 @@ -895,6 +894,10 @@ static void identify_cpu(struct cpuinfo_x86 *c)
21280 setup_smep(c);
21281 setup_smap(c);
21282
21283 +#ifdef CONFIG_X86_64
21284 + setup_pcid(c);
21285 +#endif
21286 +
21287 /*
21288 * The vendor-specific functions might have changed features.
21289 * Now we do "generic changes."
21290 @@ -903,6 +906,10 @@ static void identify_cpu(struct cpuinfo_x86 *c)
21291 /* Filter out anything that depends on CPUID levels we don't have */
21292 filter_cpuid_features(c, true);
21293
21294 +#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
21295 + setup_clear_cpu_cap(X86_FEATURE_SEP);
21296 +#endif
21297 +
21298 /* If the model name is still unset, do table lookup. */
21299 if (!c->x86_model_id[0]) {
21300 const char *p;
21301 @@ -985,7 +992,7 @@ static void syscall32_cpu_init(void)
21302 void enable_sep_cpu(void)
21303 {
21304 int cpu = get_cpu();
21305 - struct tss_struct *tss = &per_cpu(init_tss, cpu);
21306 + struct tss_struct *tss = init_tss + cpu;
21307
21308 if (!boot_cpu_has(X86_FEATURE_SEP)) {
21309 put_cpu();
21310 @@ -1125,14 +1132,16 @@ static __init int setup_disablecpuid(char *arg)
21311 }
21312 __setup("clearcpuid=", setup_disablecpuid);
21313
21314 +DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo;
21315 +EXPORT_PER_CPU_SYMBOL(current_tinfo);
21316 +
21317 DEFINE_PER_CPU(unsigned long, kernel_stack) =
21318 - (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE;
21319 + (unsigned long)&init_thread_union - 16 + THREAD_SIZE;
21320 EXPORT_PER_CPU_SYMBOL(kernel_stack);
21321
21322 #ifdef CONFIG_X86_64
21323 -struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
21324 -struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1,
21325 - (unsigned long) debug_idt_table };
21326 +struct desc_ptr idt_descr __read_only = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
21327 +const struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) debug_idt_table };
21328
21329 DEFINE_PER_CPU_FIRST(union irq_stack_union,
21330 irq_stack_union) __aligned(PAGE_SIZE) __visible;
21331 @@ -1309,7 +1318,7 @@ void cpu_init(void)
21332 */
21333 load_ucode_ap();
21334
21335 - t = &per_cpu(init_tss, cpu);
21336 + t = init_tss + cpu;
21337 oist = &per_cpu(orig_ist, cpu);
21338
21339 #ifdef CONFIG_NUMA
21340 @@ -1341,7 +1350,6 @@ void cpu_init(void)
21341 wrmsrl(MSR_KERNEL_GS_BASE, 0);
21342 barrier();
21343
21344 - x86_configure_nx();
21345 enable_x2apic();
21346
21347 /*
21348 @@ -1393,7 +1401,7 @@ void cpu_init(void)
21349 {
21350 int cpu = smp_processor_id();
21351 struct task_struct *curr = current;
21352 - struct tss_struct *t = &per_cpu(init_tss, cpu);
21353 + struct tss_struct *t = init_tss + cpu;
21354 struct thread_struct *thread = &curr->thread;
21355
21356 wait_for_master_cpu(cpu);
21357 diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
21358 index c703507..28535e3 100644
21359 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c
21360 +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
21361 @@ -1026,6 +1026,22 @@ static struct attribute *default_attrs[] = {
21362 };
21363
21364 #ifdef CONFIG_AMD_NB
21365 +static struct attribute *default_attrs_amd_nb[] = {
21366 + &type.attr,
21367 + &level.attr,
21368 + &coherency_line_size.attr,
21369 + &physical_line_partition.attr,
21370 + &ways_of_associativity.attr,
21371 + &number_of_sets.attr,
21372 + &size.attr,
21373 + &shared_cpu_map.attr,
21374 + &shared_cpu_list.attr,
21375 + NULL,
21376 + NULL,
21377 + NULL,
21378 + NULL
21379 +};
21380 +
21381 static struct attribute **amd_l3_attrs(void)
21382 {
21383 static struct attribute **attrs;
21384 @@ -1036,18 +1052,7 @@ static struct attribute **amd_l3_attrs(void)
21385
21386 n = ARRAY_SIZE(default_attrs);
21387
21388 - if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE))
21389 - n += 2;
21390 -
21391 - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING))
21392 - n += 1;
21393 -
21394 - attrs = kzalloc(n * sizeof (struct attribute *), GFP_KERNEL);
21395 - if (attrs == NULL)
21396 - return attrs = default_attrs;
21397 -
21398 - for (n = 0; default_attrs[n]; n++)
21399 - attrs[n] = default_attrs[n];
21400 + attrs = default_attrs_amd_nb;
21401
21402 if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) {
21403 attrs[n++] = &cache_disable_0.attr;
21404 @@ -1098,6 +1103,13 @@ static struct kobj_type ktype_cache = {
21405 .default_attrs = default_attrs,
21406 };
21407
21408 +#ifdef CONFIG_AMD_NB
21409 +static struct kobj_type ktype_cache_amd_nb = {
21410 + .sysfs_ops = &sysfs_ops,
21411 + .default_attrs = default_attrs_amd_nb,
21412 +};
21413 +#endif
21414 +
21415 static struct kobj_type ktype_percpu_entry = {
21416 .sysfs_ops = &sysfs_ops,
21417 };
21418 @@ -1163,20 +1175,26 @@ static int cache_add_dev(struct device *dev)
21419 return retval;
21420 }
21421
21422 +#ifdef CONFIG_AMD_NB
21423 + amd_l3_attrs();
21424 +#endif
21425 +
21426 for (i = 0; i < num_cache_leaves; i++) {
21427 + struct kobj_type *ktype;
21428 +
21429 this_object = INDEX_KOBJECT_PTR(cpu, i);
21430 this_object->cpu = cpu;
21431 this_object->index = i;
21432
21433 this_leaf = CPUID4_INFO_IDX(cpu, i);
21434
21435 - ktype_cache.default_attrs = default_attrs;
21436 + ktype = &ktype_cache;
21437 #ifdef CONFIG_AMD_NB
21438 if (this_leaf->base.nb)
21439 - ktype_cache.default_attrs = amd_l3_attrs();
21440 + ktype = &ktype_cache_amd_nb;
21441 #endif
21442 retval = kobject_init_and_add(&(this_object->kobj),
21443 - &ktype_cache,
21444 + ktype,
21445 per_cpu(ici_cache_kobject, cpu),
21446 "index%1lu", i);
21447 if (unlikely(retval)) {
21448 diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
21449 index 61a9668ce..b446a37 100644
21450 --- a/arch/x86/kernel/cpu/mcheck/mce.c
21451 +++ b/arch/x86/kernel/cpu/mcheck/mce.c
21452 @@ -45,6 +45,7 @@
21453 #include <asm/processor.h>
21454 #include <asm/mce.h>
21455 #include <asm/msr.h>
21456 +#include <asm/local.h>
21457
21458 #include "mce-internal.h"
21459
21460 @@ -259,7 +260,7 @@ static void print_mce(struct mce *m)
21461 !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
21462 m->cs, m->ip);
21463
21464 - if (m->cs == __KERNEL_CS)
21465 + if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS)
21466 print_symbol("{%s}", m->ip);
21467 pr_cont("\n");
21468 }
21469 @@ -292,10 +293,10 @@ static void print_mce(struct mce *m)
21470
21471 #define PANIC_TIMEOUT 5 /* 5 seconds */
21472
21473 -static atomic_t mce_paniced;
21474 +static atomic_unchecked_t mce_paniced;
21475
21476 static int fake_panic;
21477 -static atomic_t mce_fake_paniced;
21478 +static atomic_unchecked_t mce_fake_paniced;
21479
21480 /* Panic in progress. Enable interrupts and wait for final IPI */
21481 static void wait_for_panic(void)
21482 @@ -319,7 +320,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
21483 /*
21484 * Make sure only one CPU runs in machine check panic
21485 */
21486 - if (atomic_inc_return(&mce_paniced) > 1)
21487 + if (atomic_inc_return_unchecked(&mce_paniced) > 1)
21488 wait_for_panic();
21489 barrier();
21490
21491 @@ -327,7 +328,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
21492 console_verbose();
21493 } else {
21494 /* Don't log too much for fake panic */
21495 - if (atomic_inc_return(&mce_fake_paniced) > 1)
21496 + if (atomic_inc_return_unchecked(&mce_fake_paniced) > 1)
21497 return;
21498 }
21499 /* First print corrected ones that are still unlogged */
21500 @@ -366,7 +367,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
21501 if (!fake_panic) {
21502 if (panic_timeout == 0)
21503 panic_timeout = mca_cfg.panic_timeout;
21504 - panic(msg);
21505 + panic("%s", msg);
21506 } else
21507 pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg);
21508 }
21509 @@ -697,7 +698,7 @@ static int mce_timed_out(u64 *t)
21510 * might have been modified by someone else.
21511 */
21512 rmb();
21513 - if (atomic_read(&mce_paniced))
21514 + if (atomic_read_unchecked(&mce_paniced))
21515 wait_for_panic();
21516 if (!mca_cfg.monarch_timeout)
21517 goto out;
21518 @@ -1674,7 +1675,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code)
21519 }
21520
21521 /* Call the installed machine check handler for this CPU setup. */
21522 -void (*machine_check_vector)(struct pt_regs *, long error_code) =
21523 +void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only =
21524 unexpected_machine_check;
21525
21526 /*
21527 @@ -1697,7 +1698,9 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c)
21528 return;
21529 }
21530
21531 + pax_open_kernel();
21532 machine_check_vector = do_machine_check;
21533 + pax_close_kernel();
21534
21535 __mcheck_cpu_init_generic();
21536 __mcheck_cpu_init_vendor(c);
21537 @@ -1711,7 +1714,7 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c)
21538 */
21539
21540 static DEFINE_SPINLOCK(mce_chrdev_state_lock);
21541 -static int mce_chrdev_open_count; /* #times opened */
21542 +static local_t mce_chrdev_open_count; /* #times opened */
21543 static int mce_chrdev_open_exclu; /* already open exclusive? */
21544
21545 static int mce_chrdev_open(struct inode *inode, struct file *file)
21546 @@ -1719,7 +1722,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
21547 spin_lock(&mce_chrdev_state_lock);
21548
21549 if (mce_chrdev_open_exclu ||
21550 - (mce_chrdev_open_count && (file->f_flags & O_EXCL))) {
21551 + (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) {
21552 spin_unlock(&mce_chrdev_state_lock);
21553
21554 return -EBUSY;
21555 @@ -1727,7 +1730,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file)
21556
21557 if (file->f_flags & O_EXCL)
21558 mce_chrdev_open_exclu = 1;
21559 - mce_chrdev_open_count++;
21560 + local_inc(&mce_chrdev_open_count);
21561
21562 spin_unlock(&mce_chrdev_state_lock);
21563
21564 @@ -1738,7 +1741,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file)
21565 {
21566 spin_lock(&mce_chrdev_state_lock);
21567
21568 - mce_chrdev_open_count--;
21569 + local_dec(&mce_chrdev_open_count);
21570 mce_chrdev_open_exclu = 0;
21571
21572 spin_unlock(&mce_chrdev_state_lock);
21573 @@ -2413,7 +2416,7 @@ static __init void mce_init_banks(void)
21574
21575 for (i = 0; i < mca_cfg.banks; i++) {
21576 struct mce_bank *b = &mce_banks[i];
21577 - struct device_attribute *a = &b->attr;
21578 + device_attribute_no_const *a = &b->attr;
21579
21580 sysfs_attr_init(&a->attr);
21581 a->attr.name = b->attrname;
21582 @@ -2520,7 +2523,7 @@ struct dentry *mce_get_debugfs_dir(void)
21583 static void mce_reset(void)
21584 {
21585 cpu_missing = 0;
21586 - atomic_set(&mce_fake_paniced, 0);
21587 + atomic_set_unchecked(&mce_fake_paniced, 0);
21588 atomic_set(&mce_executing, 0);
21589 atomic_set(&mce_callin, 0);
21590 atomic_set(&global_nwo, 0);
21591 diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
21592 index a304298..49b6d06 100644
21593 --- a/arch/x86/kernel/cpu/mcheck/p5.c
21594 +++ b/arch/x86/kernel/cpu/mcheck/p5.c
21595 @@ -10,6 +10,7 @@
21596 #include <asm/processor.h>
21597 #include <asm/mce.h>
21598 #include <asm/msr.h>
21599 +#include <asm/pgtable.h>
21600
21601 /* By default disabled */
21602 int mce_p5_enabled __read_mostly;
21603 @@ -48,7 +49,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c)
21604 if (!cpu_has(c, X86_FEATURE_MCE))
21605 return;
21606
21607 + pax_open_kernel();
21608 machine_check_vector = pentium_machine_check;
21609 + pax_close_kernel();
21610 /* Make sure the vector pointer is visible before we enable MCEs: */
21611 wmb();
21612
21613 diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
21614 index 7dc5564..1273569 100644
21615 --- a/arch/x86/kernel/cpu/mcheck/winchip.c
21616 +++ b/arch/x86/kernel/cpu/mcheck/winchip.c
21617 @@ -9,6 +9,7 @@
21618 #include <asm/processor.h>
21619 #include <asm/mce.h>
21620 #include <asm/msr.h>
21621 +#include <asm/pgtable.h>
21622
21623 /* Machine check handler for WinChip C6: */
21624 static void winchip_machine_check(struct pt_regs *regs, long error_code)
21625 @@ -22,7 +23,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c)
21626 {
21627 u32 lo, hi;
21628
21629 + pax_open_kernel();
21630 machine_check_vector = winchip_machine_check;
21631 + pax_close_kernel();
21632 /* Make sure the vector pointer is visible before we enable MCEs: */
21633 wmb();
21634
21635 diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
21636 index 15c2909..2cef20c 100644
21637 --- a/arch/x86/kernel/cpu/microcode/core.c
21638 +++ b/arch/x86/kernel/cpu/microcode/core.c
21639 @@ -518,7 +518,7 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
21640 return NOTIFY_OK;
21641 }
21642
21643 -static struct notifier_block __refdata mc_cpu_notifier = {
21644 +static struct notifier_block mc_cpu_notifier = {
21645 .notifier_call = mc_cpu_callback,
21646 };
21647
21648 diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
21649 index c6826d1..ad18e14a 100644
21650 --- a/arch/x86/kernel/cpu/microcode/intel.c
21651 +++ b/arch/x86/kernel/cpu/microcode/intel.c
21652 @@ -293,13 +293,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
21653
21654 static int get_ucode_user(void *to, const void *from, size_t n)
21655 {
21656 - return copy_from_user(to, from, n);
21657 + return copy_from_user(to, (const void __force_user *)from, n);
21658 }
21659
21660 static enum ucode_state
21661 request_microcode_user(int cpu, const void __user *buf, size_t size)
21662 {
21663 - return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user);
21664 + return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user);
21665 }
21666
21667 static void microcode_fini_cpu(int cpu)
21668 diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
21669 index ea5f363..cb0e905 100644
21670 --- a/arch/x86/kernel/cpu/mtrr/main.c
21671 +++ b/arch/x86/kernel/cpu/mtrr/main.c
21672 @@ -66,7 +66,7 @@ static DEFINE_MUTEX(mtrr_mutex);
21673 u64 size_or_mask, size_and_mask;
21674 static bool mtrr_aps_delayed_init;
21675
21676 -static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM];
21677 +static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only;
21678
21679 const struct mtrr_ops *mtrr_if;
21680
21681 diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h
21682 index df5e41f..816c719 100644
21683 --- a/arch/x86/kernel/cpu/mtrr/mtrr.h
21684 +++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
21685 @@ -25,7 +25,7 @@ struct mtrr_ops {
21686 int (*validate_add_page)(unsigned long base, unsigned long size,
21687 unsigned int type);
21688 int (*have_wrcomb)(void);
21689 -};
21690 +} __do_const;
21691
21692 extern int generic_get_free_region(unsigned long base, unsigned long size,
21693 int replace_reg);
21694 diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
21695 index 143e5f5..5825081 100644
21696 --- a/arch/x86/kernel/cpu/perf_event.c
21697 +++ b/arch/x86/kernel/cpu/perf_event.c
21698 @@ -1374,7 +1374,7 @@ static void __init pmu_check_apic(void)
21699
21700 }
21701
21702 -static struct attribute_group x86_pmu_format_group = {
21703 +static attribute_group_no_const x86_pmu_format_group = {
21704 .name = "format",
21705 .attrs = NULL,
21706 };
21707 @@ -1473,7 +1473,7 @@ static struct attribute *events_attr[] = {
21708 NULL,
21709 };
21710
21711 -static struct attribute_group x86_pmu_events_group = {
21712 +static attribute_group_no_const x86_pmu_events_group = {
21713 .name = "events",
21714 .attrs = events_attr,
21715 };
21716 @@ -1997,7 +1997,7 @@ static unsigned long get_segment_base(unsigned int segment)
21717 if (idx > GDT_ENTRIES)
21718 return 0;
21719
21720 - desc = raw_cpu_ptr(gdt_page.gdt);
21721 + desc = get_cpu_gdt_table(smp_processor_id());
21722 }
21723
21724 return get_desc_base(desc + idx);
21725 @@ -2087,7 +2087,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
21726 break;
21727
21728 perf_callchain_store(entry, frame.return_address);
21729 - fp = frame.next_frame;
21730 + fp = (const void __force_user *)frame.next_frame;
21731 }
21732 }
21733
21734 diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
21735 index 639d128..e92d7e5 100644
21736 --- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c
21737 +++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c
21738 @@ -405,7 +405,7 @@ static void perf_iommu_del(struct perf_event *event, int flags)
21739 static __init int _init_events_attrs(struct perf_amd_iommu *perf_iommu)
21740 {
21741 struct attribute **attrs;
21742 - struct attribute_group *attr_group;
21743 + attribute_group_no_const *attr_group;
21744 int i = 0, j;
21745
21746 while (amd_iommu_v2_event_descs[i].attr.attr.name)
21747 diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
21748 index 944bf01..4a4392f 100644
21749 --- a/arch/x86/kernel/cpu/perf_event_intel.c
21750 +++ b/arch/x86/kernel/cpu/perf_event_intel.c
21751 @@ -2353,10 +2353,10 @@ __init int intel_pmu_init(void)
21752 x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3);
21753
21754 if (boot_cpu_has(X86_FEATURE_PDCM)) {
21755 - u64 capabilities;
21756 + u64 capabilities = x86_pmu.intel_cap.capabilities;
21757
21758 - rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
21759 - x86_pmu.intel_cap.capabilities = capabilities;
21760 + if (rdmsrl_safe(MSR_IA32_PERF_CAPABILITIES, &x86_pmu.intel_cap.capabilities))
21761 + x86_pmu.intel_cap.capabilities = capabilities;
21762 }
21763
21764 intel_ds_init();
21765 diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
21766 index d64f275..26522ff 100644
21767 --- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
21768 +++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
21769 @@ -449,7 +449,7 @@ static struct attribute *rapl_events_hsw_attr[] = {
21770 NULL,
21771 };
21772
21773 -static struct attribute_group rapl_pmu_events_group = {
21774 +static attribute_group_no_const rapl_pmu_events_group __read_only = {
21775 .name = "events",
21776 .attrs = NULL, /* patched at runtime */
21777 };
21778 diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
21779 index e98f68c..1992b15 100644
21780 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
21781 +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
21782 @@ -737,7 +737,7 @@ static void __init uncore_types_exit(struct intel_uncore_type **types)
21783 static int __init uncore_type_init(struct intel_uncore_type *type)
21784 {
21785 struct intel_uncore_pmu *pmus;
21786 - struct attribute_group *attr_group;
21787 + attribute_group_no_const *attr_group;
21788 struct attribute **attrs;
21789 int i, j;
21790
21791 diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
21792 index 863d9b0..6289b63 100644
21793 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h
21794 +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
21795 @@ -114,7 +114,7 @@ struct intel_uncore_box {
21796 struct uncore_event_desc {
21797 struct kobj_attribute attr;
21798 const char *config;
21799 -};
21800 +} __do_const;
21801
21802 ssize_t uncore_event_show(struct kobject *kobj,
21803 struct kobj_attribute *attr, char *buf);
21804 diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
21805 index 3225ae6c..ee3c6db 100644
21806 --- a/arch/x86/kernel/cpuid.c
21807 +++ b/arch/x86/kernel/cpuid.c
21808 @@ -170,7 +170,7 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb,
21809 return notifier_from_errno(err);
21810 }
21811
21812 -static struct notifier_block __refdata cpuid_class_cpu_notifier =
21813 +static struct notifier_block cpuid_class_cpu_notifier =
21814 {
21815 .notifier_call = cpuid_class_cpu_callback,
21816 };
21817 diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
21818 index f5ab56d..d3b201a 100644
21819 --- a/arch/x86/kernel/crash.c
21820 +++ b/arch/x86/kernel/crash.c
21821 @@ -104,7 +104,7 @@ static void kdump_nmi_callback(int cpu, struct pt_regs *regs)
21822 #ifdef CONFIG_X86_32
21823 struct pt_regs fixed_regs;
21824
21825 - if (!user_mode_vm(regs)) {
21826 + if (!user_mode(regs)) {
21827 crash_fixup_ss_esp(&fixed_regs, regs);
21828 regs = &fixed_regs;
21829 }
21830 diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
21831 index afa64ad..dce67dd 100644
21832 --- a/arch/x86/kernel/crash_dump_64.c
21833 +++ b/arch/x86/kernel/crash_dump_64.c
21834 @@ -36,7 +36,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
21835 return -ENOMEM;
21836
21837 if (userbuf) {
21838 - if (copy_to_user(buf, vaddr + offset, csize)) {
21839 + if (copy_to_user((char __force_user *)buf, vaddr + offset, csize)) {
21840 iounmap(vaddr);
21841 return -EFAULT;
21842 }
21843 diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c
21844 index f6dfd93..892ade4 100644
21845 --- a/arch/x86/kernel/doublefault.c
21846 +++ b/arch/x86/kernel/doublefault.c
21847 @@ -12,7 +12,7 @@
21848
21849 #define DOUBLEFAULT_STACKSIZE (1024)
21850 static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE];
21851 -#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE)
21852 +#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2)
21853
21854 #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM)
21855
21856 @@ -22,7 +22,7 @@ static void doublefault_fn(void)
21857 unsigned long gdt, tss;
21858
21859 native_store_gdt(&gdt_desc);
21860 - gdt = gdt_desc.address;
21861 + gdt = (unsigned long)gdt_desc.address;
21862
21863 printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size);
21864
21865 @@ -59,10 +59,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = {
21866 /* 0x2 bit is always set */
21867 .flags = X86_EFLAGS_SF | 0x2,
21868 .sp = STACK_START,
21869 - .es = __USER_DS,
21870 + .es = __KERNEL_DS,
21871 .cs = __KERNEL_CS,
21872 .ss = __KERNEL_DS,
21873 - .ds = __USER_DS,
21874 + .ds = __KERNEL_DS,
21875 .fs = __KERNEL_PERCPU,
21876
21877 .__cr3 = __pa_nodebug(swapper_pg_dir),
21878 diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
21879 index b74ebc7..2c95874 100644
21880 --- a/arch/x86/kernel/dumpstack.c
21881 +++ b/arch/x86/kernel/dumpstack.c
21882 @@ -2,6 +2,9 @@
21883 * Copyright (C) 1991, 1992 Linus Torvalds
21884 * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
21885 */
21886 +#ifdef CONFIG_GRKERNSEC_HIDESYM
21887 +#define __INCLUDED_BY_HIDESYM 1
21888 +#endif
21889 #include <linux/kallsyms.h>
21890 #include <linux/kprobes.h>
21891 #include <linux/uaccess.h>
21892 @@ -33,23 +36,21 @@ static void printk_stack_address(unsigned long address, int reliable)
21893
21894 void printk_address(unsigned long address)
21895 {
21896 - pr_cont(" [<%p>] %pS\n", (void *)address, (void *)address);
21897 + pr_cont(" [<%p>] %pA\n", (void *)address, (void *)address);
21898 }
21899
21900 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
21901 static void
21902 print_ftrace_graph_addr(unsigned long addr, void *data,
21903 const struct stacktrace_ops *ops,
21904 - struct thread_info *tinfo, int *graph)
21905 + struct task_struct *task, int *graph)
21906 {
21907 - struct task_struct *task;
21908 unsigned long ret_addr;
21909 int index;
21910
21911 if (addr != (unsigned long)return_to_handler)
21912 return;
21913
21914 - task = tinfo->task;
21915 index = task->curr_ret_stack;
21916
21917 if (!task->ret_stack || index < *graph)
21918 @@ -66,7 +67,7 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
21919 static inline void
21920 print_ftrace_graph_addr(unsigned long addr, void *data,
21921 const struct stacktrace_ops *ops,
21922 - struct thread_info *tinfo, int *graph)
21923 + struct task_struct *task, int *graph)
21924 { }
21925 #endif
21926
21927 @@ -77,10 +78,8 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
21928 * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
21929 */
21930
21931 -static inline int valid_stack_ptr(struct thread_info *tinfo,
21932 - void *p, unsigned int size, void *end)
21933 +static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end)
21934 {
21935 - void *t = tinfo;
21936 if (end) {
21937 if (p < end && p >= (end-THREAD_SIZE))
21938 return 1;
21939 @@ -91,14 +90,14 @@ static inline int valid_stack_ptr(struct thread_info *tinfo,
21940 }
21941
21942 unsigned long
21943 -print_context_stack(struct thread_info *tinfo,
21944 +print_context_stack(struct task_struct *task, void *stack_start,
21945 unsigned long *stack, unsigned long bp,
21946 const struct stacktrace_ops *ops, void *data,
21947 unsigned long *end, int *graph)
21948 {
21949 struct stack_frame *frame = (struct stack_frame *)bp;
21950
21951 - while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) {
21952 + while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) {
21953 unsigned long addr;
21954
21955 addr = *stack;
21956 @@ -110,7 +109,7 @@ print_context_stack(struct thread_info *tinfo,
21957 } else {
21958 ops->address(data, addr, 0);
21959 }
21960 - print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
21961 + print_ftrace_graph_addr(addr, data, ops, task, graph);
21962 }
21963 stack++;
21964 }
21965 @@ -119,7 +118,7 @@ print_context_stack(struct thread_info *tinfo,
21966 EXPORT_SYMBOL_GPL(print_context_stack);
21967
21968 unsigned long
21969 -print_context_stack_bp(struct thread_info *tinfo,
21970 +print_context_stack_bp(struct task_struct *task, void *stack_start,
21971 unsigned long *stack, unsigned long bp,
21972 const struct stacktrace_ops *ops, void *data,
21973 unsigned long *end, int *graph)
21974 @@ -127,7 +126,7 @@ print_context_stack_bp(struct thread_info *tinfo,
21975 struct stack_frame *frame = (struct stack_frame *)bp;
21976 unsigned long *ret_addr = &frame->return_address;
21977
21978 - while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) {
21979 + while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) {
21980 unsigned long addr = *ret_addr;
21981
21982 if (!__kernel_text_address(addr))
21983 @@ -136,7 +135,7 @@ print_context_stack_bp(struct thread_info *tinfo,
21984 ops->address(data, addr, 1);
21985 frame = frame->next_frame;
21986 ret_addr = &frame->return_address;
21987 - print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
21988 + print_ftrace_graph_addr(addr, data, ops, task, graph);
21989 }
21990
21991 return (unsigned long)frame;
21992 @@ -155,7 +154,7 @@ static int print_trace_stack(void *data, char *name)
21993 static void print_trace_address(void *data, unsigned long addr, int reliable)
21994 {
21995 touch_nmi_watchdog();
21996 - printk(data);
21997 + printk("%s", (char *)data);
21998 printk_stack_address(addr, reliable);
21999 }
22000
22001 @@ -225,6 +224,8 @@ unsigned long oops_begin(void)
22002 EXPORT_SYMBOL_GPL(oops_begin);
22003 NOKPROBE_SYMBOL(oops_begin);
22004
22005 +extern void gr_handle_kernel_exploit(void);
22006 +
22007 void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
22008 {
22009 if (regs && kexec_should_crash(current))
22010 @@ -246,7 +247,10 @@ void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
22011 panic("Fatal exception in interrupt");
22012 if (panic_on_oops)
22013 panic("Fatal exception");
22014 - do_exit(signr);
22015 +
22016 + gr_handle_kernel_exploit();
22017 +
22018 + do_group_exit(signr);
22019 }
22020 NOKPROBE_SYMBOL(oops_end);
22021
22022 @@ -275,7 +279,7 @@ int __die(const char *str, struct pt_regs *regs, long err)
22023 print_modules();
22024 show_regs(regs);
22025 #ifdef CONFIG_X86_32
22026 - if (user_mode_vm(regs)) {
22027 + if (user_mode(regs)) {
22028 sp = regs->sp;
22029 ss = regs->ss & 0xffff;
22030 } else {
22031 @@ -304,7 +308,7 @@ void die(const char *str, struct pt_regs *regs, long err)
22032 unsigned long flags = oops_begin();
22033 int sig = SIGSEGV;
22034
22035 - if (!user_mode_vm(regs))
22036 + if (!user_mode(regs))
22037 report_bug(regs->ip, regs);
22038
22039 if (__die(str, regs, err))
22040 diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
22041 index 5abd4cd..c65733b 100644
22042 --- a/arch/x86/kernel/dumpstack_32.c
22043 +++ b/arch/x86/kernel/dumpstack_32.c
22044 @@ -61,15 +61,14 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22045 bp = stack_frame(task, regs);
22046
22047 for (;;) {
22048 - struct thread_info *context;
22049 + void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
22050 void *end_stack;
22051
22052 end_stack = is_hardirq_stack(stack, cpu);
22053 if (!end_stack)
22054 end_stack = is_softirq_stack(stack, cpu);
22055
22056 - context = task_thread_info(task);
22057 - bp = ops->walk_stack(context, stack, bp, ops, data,
22058 + bp = ops->walk_stack(task, stack_start, stack, bp, ops, data,
22059 end_stack, &graph);
22060
22061 /* Stop if not on irq stack */
22062 @@ -123,27 +122,28 @@ void show_regs(struct pt_regs *regs)
22063 int i;
22064
22065 show_regs_print_info(KERN_EMERG);
22066 - __show_regs(regs, !user_mode_vm(regs));
22067 + __show_regs(regs, !user_mode(regs));
22068
22069 /*
22070 * When in-kernel, we also print out the stack and code at the
22071 * time of the fault..
22072 */
22073 - if (!user_mode_vm(regs)) {
22074 + if (!user_mode(regs)) {
22075 unsigned int code_prologue = code_bytes * 43 / 64;
22076 unsigned int code_len = code_bytes;
22077 unsigned char c;
22078 u8 *ip;
22079 + unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(0)[(0xffff & regs->cs) >> 3]);
22080
22081 pr_emerg("Stack:\n");
22082 show_stack_log_lvl(NULL, regs, &regs->sp, 0, KERN_EMERG);
22083
22084 pr_emerg("Code:");
22085
22086 - ip = (u8 *)regs->ip - code_prologue;
22087 + ip = (u8 *)regs->ip - code_prologue + cs_base;
22088 if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
22089 /* try starting at IP */
22090 - ip = (u8 *)regs->ip;
22091 + ip = (u8 *)regs->ip + cs_base;
22092 code_len = code_len - code_prologue + 1;
22093 }
22094 for (i = 0; i < code_len; i++, ip++) {
22095 @@ -152,7 +152,7 @@ void show_regs(struct pt_regs *regs)
22096 pr_cont(" Bad EIP value.");
22097 break;
22098 }
22099 - if (ip == (u8 *)regs->ip)
22100 + if (ip == (u8 *)regs->ip + cs_base)
22101 pr_cont(" <%02x>", c);
22102 else
22103 pr_cont(" %02x", c);
22104 @@ -165,6 +165,7 @@ int is_valid_bugaddr(unsigned long ip)
22105 {
22106 unsigned short ud2;
22107
22108 + ip = ktla_ktva(ip);
22109 if (ip < PAGE_OFFSET)
22110 return 0;
22111 if (probe_kernel_address((unsigned short *)ip, ud2))
22112 @@ -172,3 +173,15 @@ int is_valid_bugaddr(unsigned long ip)
22113
22114 return ud2 == 0x0b0f;
22115 }
22116 +
22117 +#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY)
22118 +void pax_check_alloca(unsigned long size)
22119 +{
22120 + unsigned long sp = (unsigned long)&sp, stack_left;
22121 +
22122 + /* all kernel stacks are of the same size */
22123 + stack_left = sp & (THREAD_SIZE - 1);
22124 + BUG_ON(stack_left < 256 || size >= stack_left - 256);
22125 +}
22126 +EXPORT_SYMBOL(pax_check_alloca);
22127 +#endif
22128 diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
22129 index ff86f19..a20c62c 100644
22130 --- a/arch/x86/kernel/dumpstack_64.c
22131 +++ b/arch/x86/kernel/dumpstack_64.c
22132 @@ -153,12 +153,12 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22133 const struct stacktrace_ops *ops, void *data)
22134 {
22135 const unsigned cpu = get_cpu();
22136 - struct thread_info *tinfo;
22137 unsigned long *irq_stack = (unsigned long *)per_cpu(irq_stack_ptr, cpu);
22138 unsigned long dummy;
22139 unsigned used = 0;
22140 int graph = 0;
22141 int done = 0;
22142 + void *stack_start;
22143
22144 if (!task)
22145 task = current;
22146 @@ -179,7 +179,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22147 * current stack address. If the stacks consist of nested
22148 * exceptions
22149 */
22150 - tinfo = task_thread_info(task);
22151 while (!done) {
22152 unsigned long *stack_end;
22153 enum stack_type stype;
22154 @@ -202,7 +201,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22155 if (ops->stack(data, id) < 0)
22156 break;
22157
22158 - bp = ops->walk_stack(tinfo, stack, bp, ops,
22159 + bp = ops->walk_stack(task, stack_end - EXCEPTION_STKSZ, stack, bp, ops,
22160 data, stack_end, &graph);
22161 ops->stack(data, "<EOE>");
22162 /*
22163 @@ -210,6 +209,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22164 * second-to-last pointer (index -2 to end) in the
22165 * exception stack:
22166 */
22167 + if ((u16)stack_end[-1] != __KERNEL_DS)
22168 + goto out;
22169 stack = (unsigned long *) stack_end[-2];
22170 done = 0;
22171 break;
22172 @@ -218,7 +219,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22173
22174 if (ops->stack(data, "IRQ") < 0)
22175 break;
22176 - bp = ops->walk_stack(tinfo, stack, bp,
22177 + bp = ops->walk_stack(task, irq_stack, stack, bp,
22178 ops, data, stack_end, &graph);
22179 /*
22180 * We link to the next stack (which would be
22181 @@ -240,7 +241,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
22182 /*
22183 * This handles the process stack:
22184 */
22185 - bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph);
22186 + stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1));
22187 + bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph);
22188 +out:
22189 put_cpu();
22190 }
22191 EXPORT_SYMBOL(dump_trace);
22192 @@ -349,3 +352,50 @@ int is_valid_bugaddr(unsigned long ip)
22193
22194 return ud2 == 0x0b0f;
22195 }
22196 +
22197 +#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY)
22198 +void pax_check_alloca(unsigned long size)
22199 +{
22200 + unsigned long sp = (unsigned long)&sp, stack_start, stack_end;
22201 + unsigned cpu, used;
22202 + char *id;
22203 +
22204 + /* check the process stack first */
22205 + stack_start = (unsigned long)task_stack_page(current);
22206 + stack_end = stack_start + THREAD_SIZE;
22207 + if (likely(stack_start <= sp && sp < stack_end)) {
22208 + unsigned long stack_left = sp & (THREAD_SIZE - 1);
22209 + BUG_ON(stack_left < 256 || size >= stack_left - 256);
22210 + return;
22211 + }
22212 +
22213 + cpu = get_cpu();
22214 +
22215 + /* check the irq stacks */
22216 + stack_end = (unsigned long)per_cpu(irq_stack_ptr, cpu);
22217 + stack_start = stack_end - IRQ_STACK_SIZE;
22218 + if (stack_start <= sp && sp < stack_end) {
22219 + unsigned long stack_left = sp & (IRQ_STACK_SIZE - 1);
22220 + put_cpu();
22221 + BUG_ON(stack_left < 256 || size >= stack_left - 256);
22222 + return;
22223 + }
22224 +
22225 + /* check the exception stacks */
22226 + used = 0;
22227 + stack_end = (unsigned long)in_exception_stack(cpu, sp, &used, &id);
22228 + stack_start = stack_end - EXCEPTION_STKSZ;
22229 + if (stack_end && stack_start <= sp && sp < stack_end) {
22230 + unsigned long stack_left = sp & (EXCEPTION_STKSZ - 1);
22231 + put_cpu();
22232 + BUG_ON(stack_left < 256 || size >= stack_left - 256);
22233 + return;
22234 + }
22235 +
22236 + put_cpu();
22237 +
22238 + /* unknown stack */
22239 + BUG();
22240 +}
22241 +EXPORT_SYMBOL(pax_check_alloca);
22242 +#endif
22243 diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
22244 index 49f8864..1cc6d07 100644
22245 --- a/arch/x86/kernel/e820.c
22246 +++ b/arch/x86/kernel/e820.c
22247 @@ -802,8 +802,8 @@ unsigned long __init e820_end_of_low_ram_pfn(void)
22248
22249 static void early_panic(char *msg)
22250 {
22251 - early_printk(msg);
22252 - panic(msg);
22253 + early_printk("%s", msg);
22254 + panic("%s", msg);
22255 }
22256
22257 static int userdef __initdata;
22258 diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
22259 index 01d1c18..8073693 100644
22260 --- a/arch/x86/kernel/early_printk.c
22261 +++ b/arch/x86/kernel/early_printk.c
22262 @@ -7,6 +7,7 @@
22263 #include <linux/pci_regs.h>
22264 #include <linux/pci_ids.h>
22265 #include <linux/errno.h>
22266 +#include <linux/sched.h>
22267 #include <asm/io.h>
22268 #include <asm/processor.h>
22269 #include <asm/fcntl.h>
22270 diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
22271 index 344b63f..55adf14 100644
22272 --- a/arch/x86/kernel/entry_32.S
22273 +++ b/arch/x86/kernel/entry_32.S
22274 @@ -177,13 +177,154 @@
22275 /*CFI_REL_OFFSET gs, PT_GS*/
22276 .endm
22277 .macro SET_KERNEL_GS reg
22278 +
22279 +#ifdef CONFIG_CC_STACKPROTECTOR
22280 movl $(__KERNEL_STACK_CANARY), \reg
22281 +#elif defined(CONFIG_PAX_MEMORY_UDEREF)
22282 + movl $(__USER_DS), \reg
22283 +#else
22284 + xorl \reg, \reg
22285 +#endif
22286 +
22287 movl \reg, %gs
22288 .endm
22289
22290 #endif /* CONFIG_X86_32_LAZY_GS */
22291
22292 -.macro SAVE_ALL
22293 +.macro pax_enter_kernel
22294 +#ifdef CONFIG_PAX_KERNEXEC
22295 + call pax_enter_kernel
22296 +#endif
22297 +.endm
22298 +
22299 +.macro pax_exit_kernel
22300 +#ifdef CONFIG_PAX_KERNEXEC
22301 + call pax_exit_kernel
22302 +#endif
22303 +.endm
22304 +
22305 +#ifdef CONFIG_PAX_KERNEXEC
22306 +ENTRY(pax_enter_kernel)
22307 +#ifdef CONFIG_PARAVIRT
22308 + pushl %eax
22309 + pushl %ecx
22310 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0)
22311 + mov %eax, %esi
22312 +#else
22313 + mov %cr0, %esi
22314 +#endif
22315 + bts $16, %esi
22316 + jnc 1f
22317 + mov %cs, %esi
22318 + cmp $__KERNEL_CS, %esi
22319 + jz 3f
22320 + ljmp $__KERNEL_CS, $3f
22321 +1: ljmp $__KERNEXEC_KERNEL_CS, $2f
22322 +2:
22323 +#ifdef CONFIG_PARAVIRT
22324 + mov %esi, %eax
22325 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0)
22326 +#else
22327 + mov %esi, %cr0
22328 +#endif
22329 +3:
22330 +#ifdef CONFIG_PARAVIRT
22331 + popl %ecx
22332 + popl %eax
22333 +#endif
22334 + ret
22335 +ENDPROC(pax_enter_kernel)
22336 +
22337 +ENTRY(pax_exit_kernel)
22338 +#ifdef CONFIG_PARAVIRT
22339 + pushl %eax
22340 + pushl %ecx
22341 +#endif
22342 + mov %cs, %esi
22343 + cmp $__KERNEXEC_KERNEL_CS, %esi
22344 + jnz 2f
22345 +#ifdef CONFIG_PARAVIRT
22346 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0);
22347 + mov %eax, %esi
22348 +#else
22349 + mov %cr0, %esi
22350 +#endif
22351 + btr $16, %esi
22352 + ljmp $__KERNEL_CS, $1f
22353 +1:
22354 +#ifdef CONFIG_PARAVIRT
22355 + mov %esi, %eax
22356 + call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0);
22357 +#else
22358 + mov %esi, %cr0
22359 +#endif
22360 +2:
22361 +#ifdef CONFIG_PARAVIRT
22362 + popl %ecx
22363 + popl %eax
22364 +#endif
22365 + ret
22366 +ENDPROC(pax_exit_kernel)
22367 +#endif
22368 +
22369 + .macro pax_erase_kstack
22370 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
22371 + call pax_erase_kstack
22372 +#endif
22373 + .endm
22374 +
22375 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
22376 +/*
22377 + * ebp: thread_info
22378 + */
22379 +ENTRY(pax_erase_kstack)
22380 + pushl %edi
22381 + pushl %ecx
22382 + pushl %eax
22383 +
22384 + mov TI_lowest_stack(%ebp), %edi
22385 + mov $-0xBEEF, %eax
22386 + std
22387 +
22388 +1: mov %edi, %ecx
22389 + and $THREAD_SIZE_asm - 1, %ecx
22390 + shr $2, %ecx
22391 + repne scasl
22392 + jecxz 2f
22393 +
22394 + cmp $2*16, %ecx
22395 + jc 2f
22396 +
22397 + mov $2*16, %ecx
22398 + repe scasl
22399 + jecxz 2f
22400 + jne 1b
22401 +
22402 +2: cld
22403 + or $2*4, %edi
22404 + mov %esp, %ecx
22405 + sub %edi, %ecx
22406 +
22407 + cmp $THREAD_SIZE_asm, %ecx
22408 + jb 3f
22409 + ud2
22410 +3:
22411 +
22412 + shr $2, %ecx
22413 + rep stosl
22414 +
22415 + mov TI_task_thread_sp0(%ebp), %edi
22416 + sub $128, %edi
22417 + mov %edi, TI_lowest_stack(%ebp)
22418 +
22419 + popl %eax
22420 + popl %ecx
22421 + popl %edi
22422 + ret
22423 +ENDPROC(pax_erase_kstack)
22424 +#endif
22425 +
22426 +.macro __SAVE_ALL _DS
22427 cld
22428 PUSH_GS
22429 pushl_cfi %fs
22430 @@ -206,7 +347,7 @@
22431 CFI_REL_OFFSET ecx, 0
22432 pushl_cfi %ebx
22433 CFI_REL_OFFSET ebx, 0
22434 - movl $(__USER_DS), %edx
22435 + movl $\_DS, %edx
22436 movl %edx, %ds
22437 movl %edx, %es
22438 movl $(__KERNEL_PERCPU), %edx
22439 @@ -214,6 +355,15 @@
22440 SET_KERNEL_GS %edx
22441 .endm
22442
22443 +.macro SAVE_ALL
22444 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
22445 + __SAVE_ALL __KERNEL_DS
22446 + pax_enter_kernel
22447 +#else
22448 + __SAVE_ALL __USER_DS
22449 +#endif
22450 +.endm
22451 +
22452 .macro RESTORE_INT_REGS
22453 popl_cfi %ebx
22454 CFI_RESTORE ebx
22455 @@ -297,7 +447,7 @@ ENTRY(ret_from_fork)
22456 popfl_cfi
22457 jmp syscall_exit
22458 CFI_ENDPROC
22459 -END(ret_from_fork)
22460 +ENDPROC(ret_from_fork)
22461
22462 ENTRY(ret_from_kernel_thread)
22463 CFI_STARTPROC
22464 @@ -340,7 +490,15 @@ ret_from_intr:
22465 andl $SEGMENT_RPL_MASK, %eax
22466 #endif
22467 cmpl $USER_RPL, %eax
22468 +
22469 +#ifdef CONFIG_PAX_KERNEXEC
22470 + jae resume_userspace
22471 +
22472 + pax_exit_kernel
22473 + jmp resume_kernel
22474 +#else
22475 jb resume_kernel # not returning to v8086 or userspace
22476 +#endif
22477
22478 ENTRY(resume_userspace)
22479 LOCKDEP_SYS_EXIT
22480 @@ -352,8 +510,8 @@ ENTRY(resume_userspace)
22481 andl $_TIF_WORK_MASK, %ecx # is there any work to be done on
22482 # int/exception return?
22483 jne work_pending
22484 - jmp restore_all
22485 -END(ret_from_exception)
22486 + jmp restore_all_pax
22487 +ENDPROC(ret_from_exception)
22488
22489 #ifdef CONFIG_PREEMPT
22490 ENTRY(resume_kernel)
22491 @@ -365,7 +523,7 @@ need_resched:
22492 jz restore_all
22493 call preempt_schedule_irq
22494 jmp need_resched
22495 -END(resume_kernel)
22496 +ENDPROC(resume_kernel)
22497 #endif
22498 CFI_ENDPROC
22499
22500 @@ -395,30 +553,45 @@ sysenter_past_esp:
22501 /*CFI_REL_OFFSET cs, 0*/
22502 /*
22503 * Push current_thread_info()->sysenter_return to the stack.
22504 - * A tiny bit of offset fixup is necessary - 4*4 means the 4 words
22505 - * pushed above; +8 corresponds to copy_thread's esp0 setting.
22506 */
22507 - pushl_cfi ((TI_sysenter_return)-THREAD_SIZE+8+4*4)(%esp)
22508 + pushl_cfi $0
22509 CFI_REL_OFFSET eip, 0
22510
22511 pushl_cfi %eax
22512 SAVE_ALL
22513 + GET_THREAD_INFO(%ebp)
22514 + movl TI_sysenter_return(%ebp),%ebp
22515 + movl %ebp,PT_EIP(%esp)
22516 ENABLE_INTERRUPTS(CLBR_NONE)
22517
22518 /*
22519 * Load the potential sixth argument from user stack.
22520 * Careful about security.
22521 */
22522 + movl PT_OLDESP(%esp),%ebp
22523 +
22524 +#ifdef CONFIG_PAX_MEMORY_UDEREF
22525 + mov PT_OLDSS(%esp),%ds
22526 +1: movl %ds:(%ebp),%ebp
22527 + push %ss
22528 + pop %ds
22529 +#else
22530 cmpl $__PAGE_OFFSET-3,%ebp
22531 jae syscall_fault
22532 ASM_STAC
22533 1: movl (%ebp),%ebp
22534 ASM_CLAC
22535 +#endif
22536 +
22537 movl %ebp,PT_EBP(%esp)
22538 _ASM_EXTABLE(1b,syscall_fault)
22539
22540 GET_THREAD_INFO(%ebp)
22541
22542 +#ifdef CONFIG_PAX_RANDKSTACK
22543 + pax_erase_kstack
22544 +#endif
22545 +
22546 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
22547 jnz sysenter_audit
22548 sysenter_do_call:
22549 @@ -434,12 +607,24 @@ sysenter_after_call:
22550 testl $_TIF_ALLWORK_MASK, %ecx
22551 jne sysexit_audit
22552 sysenter_exit:
22553 +
22554 +#ifdef CONFIG_PAX_RANDKSTACK
22555 + pushl_cfi %eax
22556 + movl %esp, %eax
22557 + call pax_randomize_kstack
22558 + popl_cfi %eax
22559 +#endif
22560 +
22561 + pax_erase_kstack
22562 +
22563 /* if something modifies registers it must also disable sysexit */
22564 movl PT_EIP(%esp), %edx
22565 movl PT_OLDESP(%esp), %ecx
22566 xorl %ebp,%ebp
22567 TRACE_IRQS_ON
22568 1: mov PT_FS(%esp), %fs
22569 +2: mov PT_DS(%esp), %ds
22570 +3: mov PT_ES(%esp), %es
22571 PTGS_TO_GS
22572 ENABLE_INTERRUPTS_SYSEXIT
22573
22574 @@ -453,6 +638,9 @@ sysenter_audit:
22575 pushl_cfi PT_ESI(%esp) /* a3: 5th arg */
22576 pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */
22577 call __audit_syscall_entry
22578 +
22579 + pax_erase_kstack
22580 +
22581 popl_cfi %ecx /* get that remapped edx off the stack */
22582 popl_cfi %ecx /* get that remapped esi off the stack */
22583 movl PT_EAX(%esp),%eax /* reload syscall number */
22584 @@ -479,10 +667,16 @@ sysexit_audit:
22585
22586 CFI_ENDPROC
22587 .pushsection .fixup,"ax"
22588 -2: movl $0,PT_FS(%esp)
22589 +4: movl $0,PT_FS(%esp)
22590 + jmp 1b
22591 +5: movl $0,PT_DS(%esp)
22592 + jmp 1b
22593 +6: movl $0,PT_ES(%esp)
22594 jmp 1b
22595 .popsection
22596 - _ASM_EXTABLE(1b,2b)
22597 + _ASM_EXTABLE(1b,4b)
22598 + _ASM_EXTABLE(2b,5b)
22599 + _ASM_EXTABLE(3b,6b)
22600 PTGS_TO_GS_EX
22601 ENDPROC(ia32_sysenter_target)
22602
22603 @@ -493,6 +687,11 @@ ENTRY(system_call)
22604 pushl_cfi %eax # save orig_eax
22605 SAVE_ALL
22606 GET_THREAD_INFO(%ebp)
22607 +
22608 +#ifdef CONFIG_PAX_RANDKSTACK
22609 + pax_erase_kstack
22610 +#endif
22611 +
22612 # system call tracing in operation / emulation
22613 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
22614 jnz syscall_trace_entry
22615 @@ -512,6 +711,15 @@ syscall_exit:
22616 testl $_TIF_ALLWORK_MASK, %ecx # current->work
22617 jne syscall_exit_work
22618
22619 +restore_all_pax:
22620 +
22621 +#ifdef CONFIG_PAX_RANDKSTACK
22622 + movl %esp, %eax
22623 + call pax_randomize_kstack
22624 +#endif
22625 +
22626 + pax_erase_kstack
22627 +
22628 restore_all:
22629 TRACE_IRQS_IRET
22630 restore_all_notrace:
22631 @@ -566,14 +774,34 @@ ldt_ss:
22632 * compensating for the offset by changing to the ESPFIX segment with
22633 * a base address that matches for the difference.
22634 */
22635 -#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8)
22636 +#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx)
22637 mov %esp, %edx /* load kernel esp */
22638 mov PT_OLDESP(%esp), %eax /* load userspace esp */
22639 mov %dx, %ax /* eax: new kernel esp */
22640 sub %eax, %edx /* offset (low word is 0) */
22641 +#ifdef CONFIG_SMP
22642 + movl PER_CPU_VAR(cpu_number), %ebx
22643 + shll $PAGE_SHIFT_asm, %ebx
22644 + addl $cpu_gdt_table, %ebx
22645 +#else
22646 + movl $cpu_gdt_table, %ebx
22647 +#endif
22648 shr $16, %edx
22649 - mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */
22650 - mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */
22651 +
22652 +#ifdef CONFIG_PAX_KERNEXEC
22653 + mov %cr0, %esi
22654 + btr $16, %esi
22655 + mov %esi, %cr0
22656 +#endif
22657 +
22658 + mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */
22659 + mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */
22660 +
22661 +#ifdef CONFIG_PAX_KERNEXEC
22662 + bts $16, %esi
22663 + mov %esi, %cr0
22664 +#endif
22665 +
22666 pushl_cfi $__ESPFIX_SS
22667 pushl_cfi %eax /* new kernel esp */
22668 /* Disable interrupts, but do not irqtrace this section: we
22669 @@ -603,20 +831,18 @@ work_resched:
22670 movl TI_flags(%ebp), %ecx
22671 andl $_TIF_WORK_MASK, %ecx # is there any work to be done other
22672 # than syscall tracing?
22673 - jz restore_all
22674 + jz restore_all_pax
22675 testb $_TIF_NEED_RESCHED, %cl
22676 jnz work_resched
22677
22678 work_notifysig: # deal with pending signals and
22679 # notify-resume requests
22680 + movl %esp, %eax
22681 #ifdef CONFIG_VM86
22682 testl $X86_EFLAGS_VM, PT_EFLAGS(%esp)
22683 - movl %esp, %eax
22684 jne work_notifysig_v86 # returning to kernel-space or
22685 # vm86-space
22686 1:
22687 -#else
22688 - movl %esp, %eax
22689 #endif
22690 TRACE_IRQS_ON
22691 ENABLE_INTERRUPTS(CLBR_NONE)
22692 @@ -637,7 +863,7 @@ work_notifysig_v86:
22693 movl %eax, %esp
22694 jmp 1b
22695 #endif
22696 -END(work_pending)
22697 +ENDPROC(work_pending)
22698
22699 # perform syscall exit tracing
22700 ALIGN
22701 @@ -645,11 +871,14 @@ syscall_trace_entry:
22702 movl $-ENOSYS,PT_EAX(%esp)
22703 movl %esp, %eax
22704 call syscall_trace_enter
22705 +
22706 + pax_erase_kstack
22707 +
22708 /* What it returned is what we'll actually use. */
22709 cmpl $(NR_syscalls), %eax
22710 jnae syscall_call
22711 jmp syscall_exit
22712 -END(syscall_trace_entry)
22713 +ENDPROC(syscall_trace_entry)
22714
22715 # perform syscall exit tracing
22716 ALIGN
22717 @@ -662,26 +891,30 @@ syscall_exit_work:
22718 movl %esp, %eax
22719 call syscall_trace_leave
22720 jmp resume_userspace
22721 -END(syscall_exit_work)
22722 +ENDPROC(syscall_exit_work)
22723 CFI_ENDPROC
22724
22725 RING0_INT_FRAME # can't unwind into user space anyway
22726 syscall_fault:
22727 +#ifdef CONFIG_PAX_MEMORY_UDEREF
22728 + push %ss
22729 + pop %ds
22730 +#endif
22731 ASM_CLAC
22732 GET_THREAD_INFO(%ebp)
22733 movl $-EFAULT,PT_EAX(%esp)
22734 jmp resume_userspace
22735 -END(syscall_fault)
22736 +ENDPROC(syscall_fault)
22737
22738 syscall_badsys:
22739 movl $-ENOSYS,%eax
22740 jmp syscall_after_call
22741 -END(syscall_badsys)
22742 +ENDPROC(syscall_badsys)
22743
22744 sysenter_badsys:
22745 movl $-ENOSYS,%eax
22746 jmp sysenter_after_call
22747 -END(sysenter_badsys)
22748 +ENDPROC(sysenter_badsys)
22749 CFI_ENDPROC
22750
22751 .macro FIXUP_ESPFIX_STACK
22752 @@ -694,8 +927,15 @@ END(sysenter_badsys)
22753 */
22754 #ifdef CONFIG_X86_ESPFIX32
22755 /* fixup the stack */
22756 - mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */
22757 - mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */
22758 +#ifdef CONFIG_SMP
22759 + movl PER_CPU_VAR(cpu_number), %ebx
22760 + shll $PAGE_SHIFT_asm, %ebx
22761 + addl $cpu_gdt_table, %ebx
22762 +#else
22763 + movl $cpu_gdt_table, %ebx
22764 +#endif
22765 + mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */
22766 + mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */
22767 shl $16, %eax
22768 addl %esp, %eax /* the adjusted stack pointer */
22769 pushl_cfi $__KERNEL_DS
22770 @@ -751,7 +991,7 @@ vector=vector+1
22771 .endr
22772 2: jmp common_interrupt
22773 .endr
22774 -END(irq_entries_start)
22775 +ENDPROC(irq_entries_start)
22776
22777 .previous
22778 END(interrupt)
22779 @@ -808,7 +1048,7 @@ ENTRY(coprocessor_error)
22780 pushl_cfi $do_coprocessor_error
22781 jmp error_code
22782 CFI_ENDPROC
22783 -END(coprocessor_error)
22784 +ENDPROC(coprocessor_error)
22785
22786 ENTRY(simd_coprocessor_error)
22787 RING0_INT_FRAME
22788 @@ -821,7 +1061,7 @@ ENTRY(simd_coprocessor_error)
22789 .section .altinstructions,"a"
22790 altinstruction_entry 661b, 663f, X86_FEATURE_XMM, 662b-661b, 664f-663f
22791 .previous
22792 -.section .altinstr_replacement,"ax"
22793 +.section .altinstr_replacement,"a"
22794 663: pushl $do_simd_coprocessor_error
22795 664:
22796 .previous
22797 @@ -830,7 +1070,7 @@ ENTRY(simd_coprocessor_error)
22798 #endif
22799 jmp error_code
22800 CFI_ENDPROC
22801 -END(simd_coprocessor_error)
22802 +ENDPROC(simd_coprocessor_error)
22803
22804 ENTRY(device_not_available)
22805 RING0_INT_FRAME
22806 @@ -839,18 +1079,18 @@ ENTRY(device_not_available)
22807 pushl_cfi $do_device_not_available
22808 jmp error_code
22809 CFI_ENDPROC
22810 -END(device_not_available)
22811 +ENDPROC(device_not_available)
22812
22813 #ifdef CONFIG_PARAVIRT
22814 ENTRY(native_iret)
22815 iret
22816 _ASM_EXTABLE(native_iret, iret_exc)
22817 -END(native_iret)
22818 +ENDPROC(native_iret)
22819
22820 ENTRY(native_irq_enable_sysexit)
22821 sti
22822 sysexit
22823 -END(native_irq_enable_sysexit)
22824 +ENDPROC(native_irq_enable_sysexit)
22825 #endif
22826
22827 ENTRY(overflow)
22828 @@ -860,7 +1100,7 @@ ENTRY(overflow)
22829 pushl_cfi $do_overflow
22830 jmp error_code
22831 CFI_ENDPROC
22832 -END(overflow)
22833 +ENDPROC(overflow)
22834
22835 ENTRY(bounds)
22836 RING0_INT_FRAME
22837 @@ -869,7 +1109,7 @@ ENTRY(bounds)
22838 pushl_cfi $do_bounds
22839 jmp error_code
22840 CFI_ENDPROC
22841 -END(bounds)
22842 +ENDPROC(bounds)
22843
22844 ENTRY(invalid_op)
22845 RING0_INT_FRAME
22846 @@ -878,7 +1118,7 @@ ENTRY(invalid_op)
22847 pushl_cfi $do_invalid_op
22848 jmp error_code
22849 CFI_ENDPROC
22850 -END(invalid_op)
22851 +ENDPROC(invalid_op)
22852
22853 ENTRY(coprocessor_segment_overrun)
22854 RING0_INT_FRAME
22855 @@ -887,7 +1127,7 @@ ENTRY(coprocessor_segment_overrun)
22856 pushl_cfi $do_coprocessor_segment_overrun
22857 jmp error_code
22858 CFI_ENDPROC
22859 -END(coprocessor_segment_overrun)
22860 +ENDPROC(coprocessor_segment_overrun)
22861
22862 ENTRY(invalid_TSS)
22863 RING0_EC_FRAME
22864 @@ -895,7 +1135,7 @@ ENTRY(invalid_TSS)
22865 pushl_cfi $do_invalid_TSS
22866 jmp error_code
22867 CFI_ENDPROC
22868 -END(invalid_TSS)
22869 +ENDPROC(invalid_TSS)
22870
22871 ENTRY(segment_not_present)
22872 RING0_EC_FRAME
22873 @@ -903,7 +1143,7 @@ ENTRY(segment_not_present)
22874 pushl_cfi $do_segment_not_present
22875 jmp error_code
22876 CFI_ENDPROC
22877 -END(segment_not_present)
22878 +ENDPROC(segment_not_present)
22879
22880 ENTRY(stack_segment)
22881 RING0_EC_FRAME
22882 @@ -911,7 +1151,7 @@ ENTRY(stack_segment)
22883 pushl_cfi $do_stack_segment
22884 jmp error_code
22885 CFI_ENDPROC
22886 -END(stack_segment)
22887 +ENDPROC(stack_segment)
22888
22889 ENTRY(alignment_check)
22890 RING0_EC_FRAME
22891 @@ -919,7 +1159,7 @@ ENTRY(alignment_check)
22892 pushl_cfi $do_alignment_check
22893 jmp error_code
22894 CFI_ENDPROC
22895 -END(alignment_check)
22896 +ENDPROC(alignment_check)
22897
22898 ENTRY(divide_error)
22899 RING0_INT_FRAME
22900 @@ -928,7 +1168,7 @@ ENTRY(divide_error)
22901 pushl_cfi $do_divide_error
22902 jmp error_code
22903 CFI_ENDPROC
22904 -END(divide_error)
22905 +ENDPROC(divide_error)
22906
22907 #ifdef CONFIG_X86_MCE
22908 ENTRY(machine_check)
22909 @@ -938,7 +1178,7 @@ ENTRY(machine_check)
22910 pushl_cfi machine_check_vector
22911 jmp error_code
22912 CFI_ENDPROC
22913 -END(machine_check)
22914 +ENDPROC(machine_check)
22915 #endif
22916
22917 ENTRY(spurious_interrupt_bug)
22918 @@ -948,7 +1188,7 @@ ENTRY(spurious_interrupt_bug)
22919 pushl_cfi $do_spurious_interrupt_bug
22920 jmp error_code
22921 CFI_ENDPROC
22922 -END(spurious_interrupt_bug)
22923 +ENDPROC(spurious_interrupt_bug)
22924
22925 #ifdef CONFIG_XEN
22926 /* Xen doesn't set %esp to be precisely what the normal sysenter
22927 @@ -1054,7 +1294,7 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR,
22928
22929 ENTRY(mcount)
22930 ret
22931 -END(mcount)
22932 +ENDPROC(mcount)
22933
22934 ENTRY(ftrace_caller)
22935 pushl %eax
22936 @@ -1084,7 +1324,7 @@ ftrace_graph_call:
22937 .globl ftrace_stub
22938 ftrace_stub:
22939 ret
22940 -END(ftrace_caller)
22941 +ENDPROC(ftrace_caller)
22942
22943 ENTRY(ftrace_regs_caller)
22944 pushf /* push flags before compare (in cs location) */
22945 @@ -1182,7 +1422,7 @@ trace:
22946 popl %ecx
22947 popl %eax
22948 jmp ftrace_stub
22949 -END(mcount)
22950 +ENDPROC(mcount)
22951 #endif /* CONFIG_DYNAMIC_FTRACE */
22952 #endif /* CONFIG_FUNCTION_TRACER */
22953
22954 @@ -1200,7 +1440,7 @@ ENTRY(ftrace_graph_caller)
22955 popl %ecx
22956 popl %eax
22957 ret
22958 -END(ftrace_graph_caller)
22959 +ENDPROC(ftrace_graph_caller)
22960
22961 .globl return_to_handler
22962 return_to_handler:
22963 @@ -1261,15 +1501,18 @@ error_code:
22964 movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart
22965 REG_TO_PTGS %ecx
22966 SET_KERNEL_GS %ecx
22967 - movl $(__USER_DS), %ecx
22968 + movl $(__KERNEL_DS), %ecx
22969 movl %ecx, %ds
22970 movl %ecx, %es
22971 +
22972 + pax_enter_kernel
22973 +
22974 TRACE_IRQS_OFF
22975 movl %esp,%eax # pt_regs pointer
22976 call *%edi
22977 jmp ret_from_exception
22978 CFI_ENDPROC
22979 -END(page_fault)
22980 +ENDPROC(page_fault)
22981
22982 /*
22983 * Debug traps and NMI can happen at the one SYSENTER instruction
22984 @@ -1312,7 +1555,7 @@ debug_stack_correct:
22985 call do_debug
22986 jmp ret_from_exception
22987 CFI_ENDPROC
22988 -END(debug)
22989 +ENDPROC(debug)
22990
22991 /*
22992 * NMI is doubly nasty. It can happen _while_ we're handling
22993 @@ -1352,6 +1595,9 @@ nmi_stack_correct:
22994 xorl %edx,%edx # zero error code
22995 movl %esp,%eax # pt_regs pointer
22996 call do_nmi
22997 +
22998 + pax_exit_kernel
22999 +
23000 jmp restore_all_notrace
23001 CFI_ENDPROC
23002
23003 @@ -1389,13 +1635,16 @@ nmi_espfix_stack:
23004 FIXUP_ESPFIX_STACK # %eax == %esp
23005 xorl %edx,%edx # zero error code
23006 call do_nmi
23007 +
23008 + pax_exit_kernel
23009 +
23010 RESTORE_REGS
23011 lss 12+4(%esp), %esp # back to espfix stack
23012 CFI_ADJUST_CFA_OFFSET -24
23013 jmp irq_return
23014 #endif
23015 CFI_ENDPROC
23016 -END(nmi)
23017 +ENDPROC(nmi)
23018
23019 ENTRY(int3)
23020 RING0_INT_FRAME
23021 @@ -1408,14 +1657,14 @@ ENTRY(int3)
23022 call do_int3
23023 jmp ret_from_exception
23024 CFI_ENDPROC
23025 -END(int3)
23026 +ENDPROC(int3)
23027
23028 ENTRY(general_protection)
23029 RING0_EC_FRAME
23030 pushl_cfi $do_general_protection
23031 jmp error_code
23032 CFI_ENDPROC
23033 -END(general_protection)
23034 +ENDPROC(general_protection)
23035
23036 #ifdef CONFIG_KVM_GUEST
23037 ENTRY(async_page_fault)
23038 @@ -1424,6 +1673,6 @@ ENTRY(async_page_fault)
23039 pushl_cfi $do_async_page_fault
23040 jmp error_code
23041 CFI_ENDPROC
23042 -END(async_page_fault)
23043 +ENDPROC(async_page_fault)
23044 #endif
23045
23046 diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
23047 index c0226ab..0d1dc48 100644
23048 --- a/arch/x86/kernel/entry_64.S
23049 +++ b/arch/x86/kernel/entry_64.S
23050 @@ -59,6 +59,8 @@
23051 #include <asm/smap.h>
23052 #include <asm/pgtable_types.h>
23053 #include <linux/err.h>
23054 +#include <asm/pgtable.h>
23055 +#include <asm/alternative-asm.h>
23056
23057 /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
23058 #include <linux/elf-em.h>
23059 @@ -81,6 +83,431 @@ ENTRY(native_usergs_sysret64)
23060 ENDPROC(native_usergs_sysret64)
23061 #endif /* CONFIG_PARAVIRT */
23062
23063 + .macro ljmpq sel, off
23064 +#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM)
23065 + .byte 0x48; ljmp *1234f(%rip)
23066 + .pushsection .rodata
23067 + .align 16
23068 + 1234: .quad \off; .word \sel
23069 + .popsection
23070 +#else
23071 + pushq $\sel
23072 + pushq $\off
23073 + lretq
23074 +#endif
23075 + .endm
23076 +
23077 + .macro pax_enter_kernel
23078 + pax_set_fptr_mask
23079 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
23080 + call pax_enter_kernel
23081 +#endif
23082 + .endm
23083 +
23084 + .macro pax_exit_kernel
23085 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
23086 + call pax_exit_kernel
23087 +#endif
23088 +
23089 + .endm
23090 +
23091 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
23092 +ENTRY(pax_enter_kernel)
23093 + pushq %rdi
23094 +
23095 +#ifdef CONFIG_PARAVIRT
23096 + PV_SAVE_REGS(CLBR_RDI)
23097 +#endif
23098 +
23099 +#ifdef CONFIG_PAX_KERNEXEC
23100 + GET_CR0_INTO_RDI
23101 + bts $16,%rdi
23102 + jnc 3f
23103 + mov %cs,%edi
23104 + cmp $__KERNEL_CS,%edi
23105 + jnz 2f
23106 +1:
23107 +#endif
23108 +
23109 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23110 + 661: jmp 111f
23111 + .pushsection .altinstr_replacement, "a"
23112 + 662: ASM_NOP2
23113 + .popsection
23114 + .pushsection .altinstructions, "a"
23115 + altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2
23116 + .popsection
23117 + GET_CR3_INTO_RDI
23118 + cmp $0,%dil
23119 + jnz 112f
23120 + mov $__KERNEL_DS,%edi
23121 + mov %edi,%ss
23122 + jmp 111f
23123 +112: cmp $1,%dil
23124 + jz 113f
23125 + ud2
23126 +113: sub $4097,%rdi
23127 + bts $63,%rdi
23128 + SET_RDI_INTO_CR3
23129 + mov $__UDEREF_KERNEL_DS,%edi
23130 + mov %edi,%ss
23131 +111:
23132 +#endif
23133 +
23134 +#ifdef CONFIG_PARAVIRT
23135 + PV_RESTORE_REGS(CLBR_RDI)
23136 +#endif
23137 +
23138 + popq %rdi
23139 + pax_force_retaddr
23140 + retq
23141 +
23142 +#ifdef CONFIG_PAX_KERNEXEC
23143 +2: ljmpq __KERNEL_CS,1b
23144 +3: ljmpq __KERNEXEC_KERNEL_CS,4f
23145 +4: SET_RDI_INTO_CR0
23146 + jmp 1b
23147 +#endif
23148 +ENDPROC(pax_enter_kernel)
23149 +
23150 +ENTRY(pax_exit_kernel)
23151 + pushq %rdi
23152 +
23153 +#ifdef CONFIG_PARAVIRT
23154 + PV_SAVE_REGS(CLBR_RDI)
23155 +#endif
23156 +
23157 +#ifdef CONFIG_PAX_KERNEXEC
23158 + mov %cs,%rdi
23159 + cmp $__KERNEXEC_KERNEL_CS,%edi
23160 + jz 2f
23161 + GET_CR0_INTO_RDI
23162 + bts $16,%rdi
23163 + jnc 4f
23164 +1:
23165 +#endif
23166 +
23167 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23168 + 661: jmp 111f
23169 + .pushsection .altinstr_replacement, "a"
23170 + 662: ASM_NOP2
23171 + .popsection
23172 + .pushsection .altinstructions, "a"
23173 + altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2
23174 + .popsection
23175 + mov %ss,%edi
23176 + cmp $__UDEREF_KERNEL_DS,%edi
23177 + jnz 111f
23178 + GET_CR3_INTO_RDI
23179 + cmp $0,%dil
23180 + jz 112f
23181 + ud2
23182 +112: add $4097,%rdi
23183 + bts $63,%rdi
23184 + SET_RDI_INTO_CR3
23185 + mov $__KERNEL_DS,%edi
23186 + mov %edi,%ss
23187 +111:
23188 +#endif
23189 +
23190 +#ifdef CONFIG_PARAVIRT
23191 + PV_RESTORE_REGS(CLBR_RDI);
23192 +#endif
23193 +
23194 + popq %rdi
23195 + pax_force_retaddr
23196 + retq
23197 +
23198 +#ifdef CONFIG_PAX_KERNEXEC
23199 +2: GET_CR0_INTO_RDI
23200 + btr $16,%rdi
23201 + jnc 4f
23202 + ljmpq __KERNEL_CS,3f
23203 +3: SET_RDI_INTO_CR0
23204 + jmp 1b
23205 +4: ud2
23206 + jmp 4b
23207 +#endif
23208 +ENDPROC(pax_exit_kernel)
23209 +#endif
23210 +
23211 + .macro pax_enter_kernel_user
23212 + pax_set_fptr_mask
23213 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23214 + call pax_enter_kernel_user
23215 +#endif
23216 + .endm
23217 +
23218 + .macro pax_exit_kernel_user
23219 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23220 + call pax_exit_kernel_user
23221 +#endif
23222 +#ifdef CONFIG_PAX_RANDKSTACK
23223 + pushq %rax
23224 + pushq %r11
23225 + call pax_randomize_kstack
23226 + popq %r11
23227 + popq %rax
23228 +#endif
23229 + .endm
23230 +
23231 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23232 +ENTRY(pax_enter_kernel_user)
23233 + pushq %rdi
23234 + pushq %rbx
23235 +
23236 +#ifdef CONFIG_PARAVIRT
23237 + PV_SAVE_REGS(CLBR_RDI)
23238 +#endif
23239 +
23240 + 661: jmp 111f
23241 + .pushsection .altinstr_replacement, "a"
23242 + 662: ASM_NOP2
23243 + .popsection
23244 + .pushsection .altinstructions, "a"
23245 + altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2
23246 + .popsection
23247 + GET_CR3_INTO_RDI
23248 + cmp $1,%dil
23249 + jnz 4f
23250 + sub $4097,%rdi
23251 + bts $63,%rdi
23252 + SET_RDI_INTO_CR3
23253 + jmp 3f
23254 +111:
23255 +
23256 + GET_CR3_INTO_RDI
23257 + mov %rdi,%rbx
23258 + add $__START_KERNEL_map,%rbx
23259 + sub phys_base(%rip),%rbx
23260 +
23261 +#ifdef CONFIG_PARAVIRT
23262 + cmpl $0, pv_info+PARAVIRT_enabled
23263 + jz 1f
23264 + pushq %rdi
23265 + i = 0
23266 + .rept USER_PGD_PTRS
23267 + mov i*8(%rbx),%rsi
23268 + mov $0,%sil
23269 + lea i*8(%rbx),%rdi
23270 + call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
23271 + i = i + 1
23272 + .endr
23273 + popq %rdi
23274 + jmp 2f
23275 +1:
23276 +#endif
23277 +
23278 + i = 0
23279 + .rept USER_PGD_PTRS
23280 + movb $0,i*8(%rbx)
23281 + i = i + 1
23282 + .endr
23283 +
23284 +2: SET_RDI_INTO_CR3
23285 +
23286 +#ifdef CONFIG_PAX_KERNEXEC
23287 + GET_CR0_INTO_RDI
23288 + bts $16,%rdi
23289 + SET_RDI_INTO_CR0
23290 +#endif
23291 +
23292 +3:
23293 +
23294 +#ifdef CONFIG_PARAVIRT
23295 + PV_RESTORE_REGS(CLBR_RDI)
23296 +#endif
23297 +
23298 + popq %rbx
23299 + popq %rdi
23300 + pax_force_retaddr
23301 + retq
23302 +4: ud2
23303 +ENDPROC(pax_enter_kernel_user)
23304 +
23305 +ENTRY(pax_exit_kernel_user)
23306 + pushq %rdi
23307 + pushq %rbx
23308 +
23309 +#ifdef CONFIG_PARAVIRT
23310 + PV_SAVE_REGS(CLBR_RDI)
23311 +#endif
23312 +
23313 + GET_CR3_INTO_RDI
23314 + 661: jmp 1f
23315 + .pushsection .altinstr_replacement, "a"
23316 + 662: ASM_NOP2
23317 + .popsection
23318 + .pushsection .altinstructions, "a"
23319 + altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2
23320 + .popsection
23321 + cmp $0,%dil
23322 + jnz 3f
23323 + add $4097,%rdi
23324 + bts $63,%rdi
23325 + SET_RDI_INTO_CR3
23326 + jmp 2f
23327 +1:
23328 +
23329 + mov %rdi,%rbx
23330 +
23331 +#ifdef CONFIG_PAX_KERNEXEC
23332 + GET_CR0_INTO_RDI
23333 + btr $16,%rdi
23334 + jnc 3f
23335 + SET_RDI_INTO_CR0
23336 +#endif
23337 +
23338 + add $__START_KERNEL_map,%rbx
23339 + sub phys_base(%rip),%rbx
23340 +
23341 +#ifdef CONFIG_PARAVIRT
23342 + cmpl $0, pv_info+PARAVIRT_enabled
23343 + jz 1f
23344 + i = 0
23345 + .rept USER_PGD_PTRS
23346 + mov i*8(%rbx),%rsi
23347 + mov $0x67,%sil
23348 + lea i*8(%rbx),%rdi
23349 + call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched)
23350 + i = i + 1
23351 + .endr
23352 + jmp 2f
23353 +1:
23354 +#endif
23355 +
23356 + i = 0
23357 + .rept USER_PGD_PTRS
23358 + movb $0x67,i*8(%rbx)
23359 + i = i + 1
23360 + .endr
23361 +2:
23362 +
23363 +#ifdef CONFIG_PARAVIRT
23364 + PV_RESTORE_REGS(CLBR_RDI)
23365 +#endif
23366 +
23367 + popq %rbx
23368 + popq %rdi
23369 + pax_force_retaddr
23370 + retq
23371 +3: ud2
23372 +ENDPROC(pax_exit_kernel_user)
23373 +#endif
23374 +
23375 + .macro pax_enter_kernel_nmi
23376 + pax_set_fptr_mask
23377 +
23378 +#ifdef CONFIG_PAX_KERNEXEC
23379 + GET_CR0_INTO_RDI
23380 + bts $16,%rdi
23381 + jc 110f
23382 + SET_RDI_INTO_CR0
23383 + or $2,%ebx
23384 +110:
23385 +#endif
23386 +
23387 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23388 + 661: jmp 111f
23389 + .pushsection .altinstr_replacement, "a"
23390 + 662: ASM_NOP2
23391 + .popsection
23392 + .pushsection .altinstructions, "a"
23393 + altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2
23394 + .popsection
23395 + GET_CR3_INTO_RDI
23396 + cmp $0,%dil
23397 + jz 111f
23398 + sub $4097,%rdi
23399 + or $4,%ebx
23400 + bts $63,%rdi
23401 + SET_RDI_INTO_CR3
23402 + mov $__UDEREF_KERNEL_DS,%edi
23403 + mov %edi,%ss
23404 +111:
23405 +#endif
23406 + .endm
23407 +
23408 + .macro pax_exit_kernel_nmi
23409 +#ifdef CONFIG_PAX_KERNEXEC
23410 + btr $1,%ebx
23411 + jnc 110f
23412 + GET_CR0_INTO_RDI
23413 + btr $16,%rdi
23414 + SET_RDI_INTO_CR0
23415 +110:
23416 +#endif
23417 +
23418 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23419 + btr $2,%ebx
23420 + jnc 111f
23421 + GET_CR3_INTO_RDI
23422 + add $4097,%rdi
23423 + bts $63,%rdi
23424 + SET_RDI_INTO_CR3
23425 + mov $__KERNEL_DS,%edi
23426 + mov %edi,%ss
23427 +111:
23428 +#endif
23429 + .endm
23430 +
23431 + .macro pax_erase_kstack
23432 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
23433 + call pax_erase_kstack
23434 +#endif
23435 + .endm
23436 +
23437 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
23438 +ENTRY(pax_erase_kstack)
23439 + pushq %rdi
23440 + pushq %rcx
23441 + pushq %rax
23442 + pushq %r11
23443 +
23444 + GET_THREAD_INFO(%r11)
23445 + mov TI_lowest_stack(%r11), %rdi
23446 + mov $-0xBEEF, %rax
23447 + std
23448 +
23449 +1: mov %edi, %ecx
23450 + and $THREAD_SIZE_asm - 1, %ecx
23451 + shr $3, %ecx
23452 + repne scasq
23453 + jecxz 2f
23454 +
23455 + cmp $2*8, %ecx
23456 + jc 2f
23457 +
23458 + mov $2*8, %ecx
23459 + repe scasq
23460 + jecxz 2f
23461 + jne 1b
23462 +
23463 +2: cld
23464 + or $2*8, %rdi
23465 + mov %esp, %ecx
23466 + sub %edi, %ecx
23467 +
23468 + cmp $THREAD_SIZE_asm, %rcx
23469 + jb 3f
23470 + ud2
23471 +3:
23472 +
23473 + shr $3, %ecx
23474 + rep stosq
23475 +
23476 + mov TI_task_thread_sp0(%r11), %rdi
23477 + sub $256, %rdi
23478 + mov %rdi, TI_lowest_stack(%r11)
23479 +
23480 + popq %r11
23481 + popq %rax
23482 + popq %rcx
23483 + popq %rdi
23484 + pax_force_retaddr
23485 + ret
23486 +ENDPROC(pax_erase_kstack)
23487 +#endif
23488
23489 .macro TRACE_IRQS_IRETQ offset=ARGOFFSET
23490 #ifdef CONFIG_TRACE_IRQFLAGS
23491 @@ -117,7 +544,7 @@ ENDPROC(native_usergs_sysret64)
23492 .endm
23493
23494 .macro TRACE_IRQS_IRETQ_DEBUG offset=ARGOFFSET
23495 - bt $9,EFLAGS-\offset(%rsp) /* interrupts off? */
23496 + bt $X86_EFLAGS_IF_BIT,EFLAGS-\offset(%rsp) /* interrupts off? */
23497 jnc 1f
23498 TRACE_IRQS_ON_DEBUG
23499 1:
23500 @@ -155,27 +582,6 @@ ENDPROC(native_usergs_sysret64)
23501 movq \tmp,R11+\offset(%rsp)
23502 .endm
23503
23504 - .macro FAKE_STACK_FRAME child_rip
23505 - /* push in order ss, rsp, eflags, cs, rip */
23506 - xorl %eax, %eax
23507 - pushq_cfi $__KERNEL_DS /* ss */
23508 - /*CFI_REL_OFFSET ss,0*/
23509 - pushq_cfi %rax /* rsp */
23510 - CFI_REL_OFFSET rsp,0
23511 - pushq_cfi $(X86_EFLAGS_IF|X86_EFLAGS_FIXED) /* eflags - interrupts on */
23512 - /*CFI_REL_OFFSET rflags,0*/
23513 - pushq_cfi $__KERNEL_CS /* cs */
23514 - /*CFI_REL_OFFSET cs,0*/
23515 - pushq_cfi \child_rip /* rip */
23516 - CFI_REL_OFFSET rip,0
23517 - pushq_cfi %rax /* orig rax */
23518 - .endm
23519 -
23520 - .macro UNFAKE_STACK_FRAME
23521 - addq $8*6, %rsp
23522 - CFI_ADJUST_CFA_OFFSET -(6*8)
23523 - .endm
23524 -
23525 /*
23526 * initial frame state for interrupts (and exceptions without error code)
23527 */
23528 @@ -241,25 +647,26 @@ ENDPROC(native_usergs_sysret64)
23529 /* save partial stack frame */
23530 .macro SAVE_ARGS_IRQ
23531 cld
23532 - /* start from rbp in pt_regs and jump over */
23533 - movq_cfi rdi, (RDI-RBP)
23534 - movq_cfi rsi, (RSI-RBP)
23535 - movq_cfi rdx, (RDX-RBP)
23536 - movq_cfi rcx, (RCX-RBP)
23537 - movq_cfi rax, (RAX-RBP)
23538 - movq_cfi r8, (R8-RBP)
23539 - movq_cfi r9, (R9-RBP)
23540 - movq_cfi r10, (R10-RBP)
23541 - movq_cfi r11, (R11-RBP)
23542 + /* start from r15 in pt_regs and jump over */
23543 + movq_cfi rdi, RDI
23544 + movq_cfi rsi, RSI
23545 + movq_cfi rdx, RDX
23546 + movq_cfi rcx, RCX
23547 + movq_cfi rax, RAX
23548 + movq_cfi r8, R8
23549 + movq_cfi r9, R9
23550 + movq_cfi r10, R10
23551 + movq_cfi r11, R11
23552 + movq_cfi r12, R12
23553
23554 /* Save rbp so that we can unwind from get_irq_regs() */
23555 - movq_cfi rbp, 0
23556 + movq_cfi rbp, RBP
23557
23558 /* Save previous stack value */
23559 movq %rsp, %rsi
23560
23561 - leaq -RBP(%rsp),%rdi /* arg1 for handler */
23562 - testl $3, CS-RBP(%rsi)
23563 + movq %rsp,%rdi /* arg1 for handler */
23564 + testb $3, CS(%rsi)
23565 je 1f
23566 SWAPGS
23567 /*
23568 @@ -279,6 +686,18 @@ ENDPROC(native_usergs_sysret64)
23569 0x06 /* DW_OP_deref */, \
23570 0x08 /* DW_OP_const1u */, SS+8-RBP, \
23571 0x22 /* DW_OP_plus */
23572 +
23573 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23574 + testb $3, CS(%rdi)
23575 + jnz 1f
23576 + pax_enter_kernel
23577 + jmp 2f
23578 +1: pax_enter_kernel_user
23579 +2:
23580 +#else
23581 + pax_enter_kernel
23582 +#endif
23583 +
23584 /* We entered an interrupt context - irqs are off: */
23585 TRACE_IRQS_OFF
23586 .endm
23587 @@ -308,9 +727,52 @@ ENTRY(save_paranoid)
23588 js 1f /* negative -> in kernel */
23589 SWAPGS
23590 xorl %ebx,%ebx
23591 -1: ret
23592 +1:
23593 +#ifdef CONFIG_PAX_MEMORY_UDEREF
23594 + testb $3, CS+8(%rsp)
23595 + jnz 1f
23596 + pax_enter_kernel
23597 + jmp 2f
23598 +1: pax_enter_kernel_user
23599 +2:
23600 +#else
23601 + pax_enter_kernel
23602 +#endif
23603 + pax_force_retaddr
23604 + ret
23605 CFI_ENDPROC
23606 -END(save_paranoid)
23607 +ENDPROC(save_paranoid)
23608 +
23609 +ENTRY(save_paranoid_nmi)
23610 + XCPT_FRAME 1 RDI+8
23611 + cld
23612 + movq_cfi rdi, RDI+8
23613 + movq_cfi rsi, RSI+8
23614 + movq_cfi rdx, RDX+8
23615 + movq_cfi rcx, RCX+8
23616 + movq_cfi rax, RAX+8
23617 + movq_cfi r8, R8+8
23618 + movq_cfi r9, R9+8
23619 + movq_cfi r10, R10+8
23620 + movq_cfi r11, R11+8
23621 + movq_cfi rbx, RBX+8
23622 + movq_cfi rbp, RBP+8
23623 + movq_cfi r12, R12+8
23624 + movq_cfi r13, R13+8
23625 + movq_cfi r14, R14+8
23626 + movq_cfi r15, R15+8
23627 + movl $1,%ebx
23628 + movl $MSR_GS_BASE,%ecx
23629 + rdmsr
23630 + testl %edx,%edx
23631 + js 1f /* negative -> in kernel */
23632 + SWAPGS
23633 + xorl %ebx,%ebx
23634 +1: pax_enter_kernel_nmi
23635 + pax_force_retaddr
23636 + ret
23637 + CFI_ENDPROC
23638 +ENDPROC(save_paranoid_nmi)
23639
23640 /*
23641 * A newly forked process directly context switches into this address.
23642 @@ -331,7 +793,7 @@ ENTRY(ret_from_fork)
23643
23644 RESTORE_REST
23645
23646 - testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
23647 + testb $3, CS-ARGOFFSET(%rsp) # from kernel_thread?
23648 jz 1f
23649
23650 testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET
23651 @@ -341,15 +803,13 @@ ENTRY(ret_from_fork)
23652 jmp ret_from_sys_call # go to the SYSRET fastpath
23653
23654 1:
23655 - subq $REST_SKIP, %rsp # leave space for volatiles
23656 - CFI_ADJUST_CFA_OFFSET REST_SKIP
23657 movq %rbp, %rdi
23658 call *%rbx
23659 movl $0, RAX(%rsp)
23660 RESTORE_REST
23661 jmp int_ret_from_sys_call
23662 CFI_ENDPROC
23663 -END(ret_from_fork)
23664 +ENDPROC(ret_from_fork)
23665
23666 /*
23667 * System call entry. Up to 6 arguments in registers are supported.
23668 @@ -386,7 +846,7 @@ END(ret_from_fork)
23669 ENTRY(system_call)
23670 CFI_STARTPROC simple
23671 CFI_SIGNAL_FRAME
23672 - CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET
23673 + CFI_DEF_CFA rsp,0
23674 CFI_REGISTER rip,rcx
23675 /*CFI_REGISTER rflags,r11*/
23676 SWAPGS_UNSAFE_STACK
23677 @@ -399,16 +859,23 @@ GLOBAL(system_call_after_swapgs)
23678
23679 movq %rsp,PER_CPU_VAR(old_rsp)
23680 movq PER_CPU_VAR(kernel_stack),%rsp
23681 + SAVE_ARGS 8*6, 0, rax_enosys=1
23682 + pax_enter_kernel_user
23683 +
23684 +#ifdef CONFIG_PAX_RANDKSTACK
23685 + pax_erase_kstack
23686 +#endif
23687 +
23688 /*
23689 * No need to follow this irqs off/on section - it's straight
23690 * and short:
23691 */
23692 ENABLE_INTERRUPTS(CLBR_NONE)
23693 - SAVE_ARGS 8, 0, rax_enosys=1
23694 movq_cfi rax,(ORIG_RAX-ARGOFFSET)
23695 movq %rcx,RIP-ARGOFFSET(%rsp)
23696 CFI_REL_OFFSET rip,RIP-ARGOFFSET
23697 - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
23698 + GET_THREAD_INFO(%rcx)
23699 + testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx)
23700 jnz tracesys
23701 system_call_fastpath:
23702 #if __SYSCALL_MASK == ~0
23703 @@ -432,10 +899,13 @@ sysret_check:
23704 LOCKDEP_SYS_EXIT
23705 DISABLE_INTERRUPTS(CLBR_NONE)
23706 TRACE_IRQS_OFF
23707 - movl TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET),%edx
23708 + GET_THREAD_INFO(%rcx)
23709 + movl TI_flags(%rcx),%edx
23710 andl %edi,%edx
23711 jnz sysret_careful
23712 CFI_REMEMBER_STATE
23713 + pax_exit_kernel_user
23714 + pax_erase_kstack
23715 /*
23716 * sysretq will re-enable interrupts:
23717 */
23718 @@ -494,12 +964,15 @@ sysret_audit:
23719
23720 /* Do syscall tracing */
23721 tracesys:
23722 - leaq -REST_SKIP(%rsp), %rdi
23723 + movq %rsp, %rdi
23724 movq $AUDIT_ARCH_X86_64, %rsi
23725 call syscall_trace_enter_phase1
23726 test %rax, %rax
23727 jnz tracesys_phase2 /* if needed, run the slow path */
23728 - LOAD_ARGS 0 /* else restore clobbered regs */
23729 +
23730 + pax_erase_kstack
23731 +
23732 + LOAD_ARGS /* else restore clobbered regs */
23733 jmp system_call_fastpath /* and return to the fast path */
23734
23735 tracesys_phase2:
23736 @@ -510,12 +983,14 @@ tracesys_phase2:
23737 movq %rax,%rdx
23738 call syscall_trace_enter_phase2
23739
23740 + pax_erase_kstack
23741 +
23742 /*
23743 * Reload arg registers from stack in case ptrace changed them.
23744 * We don't reload %rax because syscall_trace_entry_phase2() returned
23745 * the value it wants us to use in the table lookup.
23746 */
23747 - LOAD_ARGS ARGOFFSET, 1
23748 + LOAD_ARGS 1
23749 RESTORE_REST
23750 #if __SYSCALL_MASK == ~0
23751 cmpq $__NR_syscall_max,%rax
23752 @@ -545,7 +1020,9 @@ GLOBAL(int_with_check)
23753 andl %edi,%edx
23754 jnz int_careful
23755 andl $~TS_COMPAT,TI_status(%rcx)
23756 - jmp retint_swapgs
23757 + pax_exit_kernel_user
23758 + pax_erase_kstack
23759 + jmp retint_swapgs_pax
23760
23761 /* Either reschedule or signal or syscall exit tracking needed. */
23762 /* First do a reschedule test. */
23763 @@ -591,7 +1068,7 @@ int_restore_rest:
23764 TRACE_IRQS_OFF
23765 jmp int_with_check
23766 CFI_ENDPROC
23767 -END(system_call)
23768 +ENDPROC(system_call)
23769
23770 .macro FORK_LIKE func
23771 ENTRY(stub_\func)
23772 @@ -604,9 +1081,10 @@ ENTRY(stub_\func)
23773 DEFAULT_FRAME 0 8 /* offset 8: return address */
23774 call sys_\func
23775 RESTORE_TOP_OF_STACK %r11, 8
23776 - ret $REST_SKIP /* pop extended registers */
23777 + pax_force_retaddr
23778 + ret
23779 CFI_ENDPROC
23780 -END(stub_\func)
23781 +ENDPROC(stub_\func)
23782 .endm
23783
23784 .macro FIXED_FRAME label,func
23785 @@ -616,9 +1094,10 @@ ENTRY(\label)
23786 FIXUP_TOP_OF_STACK %r11, 8-ARGOFFSET
23787 call \func
23788 RESTORE_TOP_OF_STACK %r11, 8-ARGOFFSET
23789 + pax_force_retaddr
23790 ret
23791 CFI_ENDPROC
23792 -END(\label)
23793 +ENDPROC(\label)
23794 .endm
23795
23796 FORK_LIKE clone
23797 @@ -626,19 +1105,6 @@ END(\label)
23798 FORK_LIKE vfork
23799 FIXED_FRAME stub_iopl, sys_iopl
23800
23801 -ENTRY(ptregscall_common)
23802 - DEFAULT_FRAME 1 8 /* offset 8: return address */
23803 - RESTORE_TOP_OF_STACK %r11, 8
23804 - movq_cfi_restore R15+8, r15
23805 - movq_cfi_restore R14+8, r14
23806 - movq_cfi_restore R13+8, r13
23807 - movq_cfi_restore R12+8, r12
23808 - movq_cfi_restore RBP+8, rbp
23809 - movq_cfi_restore RBX+8, rbx
23810 - ret $REST_SKIP /* pop extended registers */
23811 - CFI_ENDPROC
23812 -END(ptregscall_common)
23813 -
23814 ENTRY(stub_execve)
23815 CFI_STARTPROC
23816 addq $8, %rsp
23817 @@ -650,7 +1116,7 @@ ENTRY(stub_execve)
23818 RESTORE_REST
23819 jmp int_ret_from_sys_call
23820 CFI_ENDPROC
23821 -END(stub_execve)
23822 +ENDPROC(stub_execve)
23823
23824 /*
23825 * sigreturn is special because it needs to restore all registers on return.
23826 @@ -667,7 +1133,7 @@ ENTRY(stub_rt_sigreturn)
23827 RESTORE_REST
23828 jmp int_ret_from_sys_call
23829 CFI_ENDPROC
23830 -END(stub_rt_sigreturn)
23831 +ENDPROC(stub_rt_sigreturn)
23832
23833 #ifdef CONFIG_X86_X32_ABI
23834 ENTRY(stub_x32_rt_sigreturn)
23835 @@ -681,7 +1147,7 @@ ENTRY(stub_x32_rt_sigreturn)
23836 RESTORE_REST
23837 jmp int_ret_from_sys_call
23838 CFI_ENDPROC
23839 -END(stub_x32_rt_sigreturn)
23840 +ENDPROC(stub_x32_rt_sigreturn)
23841
23842 ENTRY(stub_x32_execve)
23843 CFI_STARTPROC
23844 @@ -695,7 +1161,7 @@ ENTRY(stub_x32_execve)
23845 RESTORE_REST
23846 jmp int_ret_from_sys_call
23847 CFI_ENDPROC
23848 -END(stub_x32_execve)
23849 +ENDPROC(stub_x32_execve)
23850
23851 #endif
23852
23853 @@ -732,7 +1198,7 @@ vector=vector+1
23854 2: jmp common_interrupt
23855 .endr
23856 CFI_ENDPROC
23857 -END(irq_entries_start)
23858 +ENDPROC(irq_entries_start)
23859
23860 .previous
23861 END(interrupt)
23862 @@ -749,8 +1215,8 @@ END(interrupt)
23863 /* 0(%rsp): ~(interrupt number) */
23864 .macro interrupt func
23865 /* reserve pt_regs for scratch regs and rbp */
23866 - subq $ORIG_RAX-RBP, %rsp
23867 - CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP
23868 + subq $ORIG_RAX, %rsp
23869 + CFI_ADJUST_CFA_OFFSET ORIG_RAX
23870 SAVE_ARGS_IRQ
23871 call \func
23872 .endm
23873 @@ -773,14 +1239,14 @@ ret_from_intr:
23874
23875 /* Restore saved previous stack */
23876 popq %rsi
23877 - CFI_DEF_CFA rsi,SS+8-RBP /* reg/off reset after def_cfa_expr */
23878 - leaq ARGOFFSET-RBP(%rsi), %rsp
23879 + CFI_DEF_CFA rsi,SS+8 /* reg/off reset after def_cfa_expr */
23880 + movq %rsi, %rsp
23881 CFI_DEF_CFA_REGISTER rsp
23882 - CFI_ADJUST_CFA_OFFSET RBP-ARGOFFSET
23883 + CFI_ADJUST_CFA_OFFSET -ARGOFFSET
23884
23885 exit_intr:
23886 GET_THREAD_INFO(%rcx)
23887 - testl $3,CS-ARGOFFSET(%rsp)
23888 + testb $3,CS-ARGOFFSET(%rsp)
23889 je retint_kernel
23890
23891 /* Interrupt came from user space */
23892 @@ -802,12 +1268,35 @@ retint_swapgs: /* return to user-space */
23893 * The iretq could re-enable interrupts:
23894 */
23895 DISABLE_INTERRUPTS(CLBR_ANY)
23896 + pax_exit_kernel_user
23897 +retint_swapgs_pax:
23898 TRACE_IRQS_IRETQ
23899 SWAPGS
23900 jmp restore_args
23901
23902 retint_restore_args: /* return to kernel space */
23903 DISABLE_INTERRUPTS(CLBR_ANY)
23904 + pax_exit_kernel
23905 +
23906 +#if defined(CONFIG_EFI) && defined(CONFIG_PAX_KERNEXEC)
23907 + /* This is a quirk to allow IRQs/NMIs/MCEs during early EFI setup,
23908 + * namely calling EFI runtime services with a phys mapping. We're
23909 + * starting off with NOPs and patch in the real instrumentation
23910 + * (BTS/OR) before starting any userland process; even before starting
23911 + * up the APs.
23912 + */
23913 + .pushsection .altinstr_replacement, "a"
23914 + 601: pax_force_retaddr (RIP-ARGOFFSET)
23915 + 602:
23916 + .popsection
23917 + 603: .fill 602b-601b, 1, 0x90
23918 + .pushsection .altinstructions, "a"
23919 + altinstruction_entry 603b, 601b, X86_FEATURE_ALWAYS, 602b-601b, 602b-601b
23920 + .popsection
23921 +#else
23922 + pax_force_retaddr (RIP-ARGOFFSET)
23923 +#endif
23924 +
23925 /*
23926 * The iretq could re-enable interrupts:
23927 */
23928 @@ -845,15 +1334,15 @@ native_irq_return_ldt:
23929 SWAPGS
23930 movq PER_CPU_VAR(espfix_waddr),%rdi
23931 movq %rax,(0*8)(%rdi) /* RAX */
23932 - movq (2*8)(%rsp),%rax /* RIP */
23933 + movq (2*8 + RIP-RIP)(%rsp),%rax /* RIP */
23934 movq %rax,(1*8)(%rdi)
23935 - movq (3*8)(%rsp),%rax /* CS */
23936 + movq (2*8 + CS-RIP)(%rsp),%rax /* CS */
23937 movq %rax,(2*8)(%rdi)
23938 - movq (4*8)(%rsp),%rax /* RFLAGS */
23939 + movq (2*8 + EFLAGS-RIP)(%rsp),%rax /* RFLAGS */
23940 movq %rax,(3*8)(%rdi)
23941 - movq (6*8)(%rsp),%rax /* SS */
23942 + movq (2*8 + SS-RIP)(%rsp),%rax /* SS */
23943 movq %rax,(5*8)(%rdi)
23944 - movq (5*8)(%rsp),%rax /* RSP */
23945 + movq (2*8 + RSP-RIP)(%rsp),%rax /* RSP */
23946 movq %rax,(4*8)(%rdi)
23947 andl $0xffff0000,%eax
23948 popq_cfi %rdi
23949 @@ -907,7 +1396,7 @@ ENTRY(retint_kernel)
23950 jmp exit_intr
23951 #endif
23952 CFI_ENDPROC
23953 -END(common_interrupt)
23954 +ENDPROC(common_interrupt)
23955
23956 /*
23957 * APIC interrupts.
23958 @@ -921,7 +1410,7 @@ ENTRY(\sym)
23959 interrupt \do_sym
23960 jmp ret_from_intr
23961 CFI_ENDPROC
23962 -END(\sym)
23963 +ENDPROC(\sym)
23964 .endm
23965
23966 #ifdef CONFIG_TRACING
23967 @@ -994,7 +1483,7 @@ apicinterrupt IRQ_WORK_VECTOR \
23968 /*
23969 * Exception entry points.
23970 */
23971 -#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8)
23972 +#define INIT_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r13)
23973
23974 .macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1
23975 ENTRY(\sym)
23976 @@ -1045,6 +1534,12 @@ ENTRY(\sym)
23977 .endif
23978
23979 .if \shift_ist != -1
23980 +#ifdef CONFIG_SMP
23981 + imul $TSS_size, PER_CPU_VAR(cpu_number), %r13d
23982 + lea init_tss(%r13), %r13
23983 +#else
23984 + lea init_tss(%rip), %r13
23985 +#endif
23986 subq $EXCEPTION_STKSZ, INIT_TSS_IST(\shift_ist)
23987 .endif
23988
23989 @@ -1061,7 +1556,7 @@ ENTRY(\sym)
23990 .endif
23991
23992 CFI_ENDPROC
23993 -END(\sym)
23994 +ENDPROC(\sym)
23995 .endm
23996
23997 #ifdef CONFIG_TRACING
23998 @@ -1102,9 +1597,10 @@ gs_change:
23999 2: mfence /* workaround */
24000 SWAPGS
24001 popfq_cfi
24002 + pax_force_retaddr
24003 ret
24004 CFI_ENDPROC
24005 -END(native_load_gs_index)
24006 +ENDPROC(native_load_gs_index)
24007
24008 _ASM_EXTABLE(gs_change,bad_gs)
24009 .section .fixup,"ax"
24010 @@ -1132,9 +1628,10 @@ ENTRY(do_softirq_own_stack)
24011 CFI_DEF_CFA_REGISTER rsp
24012 CFI_ADJUST_CFA_OFFSET -8
24013 decl PER_CPU_VAR(irq_count)
24014 + pax_force_retaddr
24015 ret
24016 CFI_ENDPROC
24017 -END(do_softirq_own_stack)
24018 +ENDPROC(do_softirq_own_stack)
24019
24020 #ifdef CONFIG_XEN
24021 idtentry xen_hypervisor_callback xen_do_hypervisor_callback has_error_code=0
24022 @@ -1172,7 +1669,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs)
24023 decl PER_CPU_VAR(irq_count)
24024 jmp error_exit
24025 CFI_ENDPROC
24026 -END(xen_do_hypervisor_callback)
24027 +ENDPROC(xen_do_hypervisor_callback)
24028
24029 /*
24030 * Hypervisor uses this for application faults while it executes.
24031 @@ -1231,7 +1728,7 @@ ENTRY(xen_failsafe_callback)
24032 SAVE_ALL
24033 jmp error_exit
24034 CFI_ENDPROC
24035 -END(xen_failsafe_callback)
24036 +ENDPROC(xen_failsafe_callback)
24037
24038 apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
24039 xen_hvm_callback_vector xen_evtchn_do_upcall
24040 @@ -1278,18 +1775,33 @@ ENTRY(paranoid_exit)
24041 DEFAULT_FRAME
24042 DISABLE_INTERRUPTS(CLBR_NONE)
24043 TRACE_IRQS_OFF_DEBUG
24044 - testl %ebx,%ebx /* swapgs needed? */
24045 + testl $1,%ebx /* swapgs needed? */
24046 jnz paranoid_restore
24047 - testl $3,CS(%rsp)
24048 + testb $3,CS(%rsp)
24049 jnz paranoid_userspace
24050 +#ifdef CONFIG_PAX_MEMORY_UDEREF
24051 + pax_exit_kernel
24052 + TRACE_IRQS_IRETQ 0
24053 + SWAPGS_UNSAFE_STACK
24054 + RESTORE_ALL 8
24055 + pax_force_retaddr_bts
24056 + jmp irq_return
24057 +#endif
24058 paranoid_swapgs:
24059 +#ifdef CONFIG_PAX_MEMORY_UDEREF
24060 + pax_exit_kernel_user
24061 +#else
24062 + pax_exit_kernel
24063 +#endif
24064 TRACE_IRQS_IRETQ 0
24065 SWAPGS_UNSAFE_STACK
24066 RESTORE_ALL 8
24067 jmp irq_return
24068 paranoid_restore:
24069 + pax_exit_kernel
24070 TRACE_IRQS_IRETQ_DEBUG 0
24071 RESTORE_ALL 8
24072 + pax_force_retaddr_bts
24073 jmp irq_return
24074 paranoid_userspace:
24075 GET_THREAD_INFO(%rcx)
24076 @@ -1318,7 +1830,7 @@ paranoid_schedule:
24077 TRACE_IRQS_OFF
24078 jmp paranoid_userspace
24079 CFI_ENDPROC
24080 -END(paranoid_exit)
24081 +ENDPROC(paranoid_exit)
24082
24083 /*
24084 * Exception entry point. This expects an error code/orig_rax on the stack.
24085 @@ -1345,12 +1857,23 @@ ENTRY(error_entry)
24086 movq %r14, R14+8(%rsp)
24087 movq %r15, R15+8(%rsp)
24088 xorl %ebx,%ebx
24089 - testl $3,CS+8(%rsp)
24090 + testb $3,CS+8(%rsp)
24091 je error_kernelspace
24092 error_swapgs:
24093 SWAPGS
24094 error_sti:
24095 +#ifdef CONFIG_PAX_MEMORY_UDEREF
24096 + testb $3, CS+8(%rsp)
24097 + jnz 1f
24098 + pax_enter_kernel
24099 + jmp 2f
24100 +1: pax_enter_kernel_user
24101 +2:
24102 +#else
24103 + pax_enter_kernel
24104 +#endif
24105 TRACE_IRQS_OFF
24106 + pax_force_retaddr
24107 ret
24108
24109 /*
24110 @@ -1385,7 +1908,7 @@ error_bad_iret:
24111 decl %ebx /* Return to usergs */
24112 jmp error_sti
24113 CFI_ENDPROC
24114 -END(error_entry)
24115 +ENDPROC(error_entry)
24116
24117
24118 /* ebx: no swapgs flag (1: don't need swapgs, 0: need it) */
24119 @@ -1396,7 +1919,7 @@ ENTRY(error_exit)
24120 DISABLE_INTERRUPTS(CLBR_NONE)
24121 TRACE_IRQS_OFF
24122 GET_THREAD_INFO(%rcx)
24123 - testl %eax,%eax
24124 + testl $1,%eax
24125 jne retint_kernel
24126 LOCKDEP_SYS_EXIT_IRQ
24127 movl TI_flags(%rcx),%edx
24128 @@ -1405,7 +1928,7 @@ ENTRY(error_exit)
24129 jnz retint_careful
24130 jmp retint_swapgs
24131 CFI_ENDPROC
24132 -END(error_exit)
24133 +ENDPROC(error_exit)
24134
24135 /*
24136 * Test if a given stack is an NMI stack or not.
24137 @@ -1463,9 +1986,11 @@ ENTRY(nmi)
24138 * If %cs was not the kernel segment, then the NMI triggered in user
24139 * space, which means it is definitely not nested.
24140 */
24141 + cmpl $__KERNEXEC_KERNEL_CS, 16(%rsp)
24142 + je 1f
24143 cmpl $__KERNEL_CS, 16(%rsp)
24144 jne first_nmi
24145 -
24146 +1:
24147 /*
24148 * Check the special variable on the stack to see if NMIs are
24149 * executing.
24150 @@ -1499,8 +2024,7 @@ nested_nmi:
24151
24152 1:
24153 /* Set up the interrupted NMIs stack to jump to repeat_nmi */
24154 - leaq -1*8(%rsp), %rdx
24155 - movq %rdx, %rsp
24156 + subq $8, %rsp
24157 CFI_ADJUST_CFA_OFFSET 1*8
24158 leaq -10*8(%rsp), %rdx
24159 pushq_cfi $__KERNEL_DS
24160 @@ -1518,6 +2042,7 @@ nested_nmi_out:
24161 CFI_RESTORE rdx
24162
24163 /* No need to check faults here */
24164 +# pax_force_retaddr_bts
24165 INTERRUPT_RETURN
24166
24167 CFI_RESTORE_STATE
24168 @@ -1614,13 +2139,13 @@ end_repeat_nmi:
24169 subq $ORIG_RAX-R15, %rsp
24170 CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
24171 /*
24172 - * Use save_paranoid to handle SWAPGS, but no need to use paranoid_exit
24173 + * Use save_paranoid_nmi to handle SWAPGS, but no need to use paranoid_exit
24174 * as we should not be calling schedule in NMI context.
24175 * Even with normal interrupts enabled. An NMI should not be
24176 * setting NEED_RESCHED or anything that normal interrupts and
24177 * exceptions might do.
24178 */
24179 - call save_paranoid
24180 + call save_paranoid_nmi
24181 DEFAULT_FRAME 0
24182
24183 /*
24184 @@ -1630,9 +2155,9 @@ end_repeat_nmi:
24185 * NMI itself takes a page fault, the page fault that was preempted
24186 * will read the information from the NMI page fault and not the
24187 * origin fault. Save it off and restore it if it changes.
24188 - * Use the r12 callee-saved register.
24189 + * Use the r13 callee-saved register.
24190 */
24191 - movq %cr2, %r12
24192 + movq %cr2, %r13
24193
24194 /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */
24195 movq %rsp,%rdi
24196 @@ -1641,29 +2166,34 @@ end_repeat_nmi:
24197
24198 /* Did the NMI take a page fault? Restore cr2 if it did */
24199 movq %cr2, %rcx
24200 - cmpq %rcx, %r12
24201 + cmpq %rcx, %r13
24202 je 1f
24203 - movq %r12, %cr2
24204 + movq %r13, %cr2
24205 1:
24206
24207 - testl %ebx,%ebx /* swapgs needed? */
24208 + testl $1,%ebx /* swapgs needed? */
24209 jnz nmi_restore
24210 nmi_swapgs:
24211 SWAPGS_UNSAFE_STACK
24212 nmi_restore:
24213 + pax_exit_kernel_nmi
24214 /* Pop the extra iret frame at once */
24215 RESTORE_ALL 6*8
24216 + testb $3, 8(%rsp)
24217 + jnz 1f
24218 + pax_force_retaddr_bts
24219 +1:
24220
24221 /* Clear the NMI executing stack variable */
24222 movq $0, 5*8(%rsp)
24223 jmp irq_return
24224 CFI_ENDPROC
24225 -END(nmi)
24226 +ENDPROC(nmi)
24227
24228 ENTRY(ignore_sysret)
24229 CFI_STARTPROC
24230 mov $-ENOSYS,%eax
24231 sysret
24232 CFI_ENDPROC
24233 -END(ignore_sysret)
24234 +ENDPROC(ignore_sysret)
24235
24236 diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c
24237 index 94d857f..5bce89c 100644
24238 --- a/arch/x86/kernel/espfix_64.c
24239 +++ b/arch/x86/kernel/espfix_64.c
24240 @@ -70,8 +70,7 @@ static DEFINE_MUTEX(espfix_init_mutex);
24241 #define ESPFIX_MAX_PAGES DIV_ROUND_UP(CONFIG_NR_CPUS, ESPFIX_STACKS_PER_PAGE)
24242 static void *espfix_pages[ESPFIX_MAX_PAGES];
24243
24244 -static __page_aligned_bss pud_t espfix_pud_page[PTRS_PER_PUD]
24245 - __aligned(PAGE_SIZE);
24246 +static pud_t espfix_pud_page[PTRS_PER_PUD] __page_aligned_rodata;
24247
24248 static unsigned int page_random, slot_random;
24249
24250 @@ -122,14 +121,17 @@ static void init_espfix_random(void)
24251 void __init init_espfix_bsp(void)
24252 {
24253 pgd_t *pgd_p;
24254 - pteval_t ptemask;
24255 -
24256 - ptemask = __supported_pte_mask;
24257 + unsigned long index = pgd_index(ESPFIX_BASE_ADDR);
24258
24259 /* Install the espfix pud into the kernel page directory */
24260 - pgd_p = &init_level4_pgt[pgd_index(ESPFIX_BASE_ADDR)];
24261 + pgd_p = &init_level4_pgt[index];
24262 pgd_populate(&init_mm, pgd_p, (pud_t *)espfix_pud_page);
24263
24264 +#ifdef CONFIG_PAX_PER_CPU_PGD
24265 + clone_pgd_range(get_cpu_pgd(0, kernel) + index, swapper_pg_dir + index, 1);
24266 + clone_pgd_range(get_cpu_pgd(0, user) + index, swapper_pg_dir + index, 1);
24267 +#endif
24268 +
24269 /* Randomize the locations */
24270 init_espfix_random();
24271
24272 @@ -197,7 +199,7 @@ void init_espfix_ap(void)
24273 set_pte(&pte_p[n*PTE_STRIDE], pte);
24274
24275 /* Job is done for this CPU and any CPU which shares this page */
24276 - ACCESS_ONCE(espfix_pages[page]) = stack_page;
24277 + ACCESS_ONCE_RW(espfix_pages[page]) = stack_page;
24278
24279 unlock_done:
24280 mutex_unlock(&espfix_init_mutex);
24281 diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
24282 index 3386dc9..28bdf81 100644
24283 --- a/arch/x86/kernel/ftrace.c
24284 +++ b/arch/x86/kernel/ftrace.c
24285 @@ -88,7 +88,7 @@ static unsigned long text_ip_addr(unsigned long ip)
24286 * kernel identity mapping to modify code.
24287 */
24288 if (within(ip, (unsigned long)_text, (unsigned long)_etext))
24289 - ip = (unsigned long)__va(__pa_symbol(ip));
24290 + ip = (unsigned long)__va(__pa_symbol(ktla_ktva(ip)));
24291
24292 return ip;
24293 }
24294 @@ -104,6 +104,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code,
24295 {
24296 unsigned char replaced[MCOUNT_INSN_SIZE];
24297
24298 + ip = ktla_ktva(ip);
24299 +
24300 /*
24301 * Note: Due to modules and __init, code can
24302 * disappear and change, we need to protect against faulting
24303 @@ -229,7 +231,7 @@ static int update_ftrace_func(unsigned long ip, void *new)
24304 unsigned char old[MCOUNT_INSN_SIZE];
24305 int ret;
24306
24307 - memcpy(old, (void *)ip, MCOUNT_INSN_SIZE);
24308 + memcpy(old, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE);
24309
24310 ftrace_update_func = ip;
24311 /* Make sure the breakpoints see the ftrace_update_func update */
24312 @@ -310,7 +312,7 @@ static int add_break(unsigned long ip, const char *old)
24313 unsigned char replaced[MCOUNT_INSN_SIZE];
24314 unsigned char brk = BREAKPOINT_INSTRUCTION;
24315
24316 - if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE))
24317 + if (probe_kernel_read(replaced, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE))
24318 return -EFAULT;
24319
24320 /* Make sure it is what we expect it to be */
24321 diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
24322 index eda1a86..8f6df48 100644
24323 --- a/arch/x86/kernel/head64.c
24324 +++ b/arch/x86/kernel/head64.c
24325 @@ -67,12 +67,12 @@ again:
24326 pgd = *pgd_p;
24327
24328 /*
24329 - * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is
24330 - * critical -- __PAGE_OFFSET would point us back into the dynamic
24331 + * The use of __early_va rather than __va here is critical:
24332 + * __va would point us back into the dynamic
24333 * range and we might end up looping forever...
24334 */
24335 if (pgd)
24336 - pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base);
24337 + pud_p = (pudval_t *)(__early_va(pgd & PTE_PFN_MASK));
24338 else {
24339 if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) {
24340 reset_early_page_tables();
24341 @@ -82,13 +82,13 @@ again:
24342 pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++];
24343 for (i = 0; i < PTRS_PER_PUD; i++)
24344 pud_p[i] = 0;
24345 - *pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
24346 + *pgd_p = (pgdval_t)__pa(pud_p) + _KERNPG_TABLE;
24347 }
24348 pud_p += pud_index(address);
24349 pud = *pud_p;
24350
24351 if (pud)
24352 - pmd_p = (pmdval_t *)((pud & PTE_PFN_MASK) + __START_KERNEL_map - phys_base);
24353 + pmd_p = (pmdval_t *)(__early_va(pud & PTE_PFN_MASK));
24354 else {
24355 if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) {
24356 reset_early_page_tables();
24357 @@ -98,7 +98,7 @@ again:
24358 pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++];
24359 for (i = 0; i < PTRS_PER_PMD; i++)
24360 pmd_p[i] = 0;
24361 - *pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
24362 + *pud_p = (pudval_t)__pa(pmd_p) + _KERNPG_TABLE;
24363 }
24364 pmd = (physaddr & PMD_MASK) + early_pmd_flags;
24365 pmd_p[pmd_index(address)] = pmd;
24366 @@ -175,7 +175,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data)
24367 if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
24368 early_printk("Kernel alive\n");
24369
24370 - clear_page(init_level4_pgt);
24371 /* set init_level4_pgt kernel high mapping*/
24372 init_level4_pgt[511] = early_level4_pgt[511];
24373
24374 diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
24375 index f36bd42..0ab4474 100644
24376 --- a/arch/x86/kernel/head_32.S
24377 +++ b/arch/x86/kernel/head_32.S
24378 @@ -26,6 +26,12 @@
24379 /* Physical address */
24380 #define pa(X) ((X) - __PAGE_OFFSET)
24381
24382 +#ifdef CONFIG_PAX_KERNEXEC
24383 +#define ta(X) (X)
24384 +#else
24385 +#define ta(X) ((X) - __PAGE_OFFSET)
24386 +#endif
24387 +
24388 /*
24389 * References to members of the new_cpu_data structure.
24390 */
24391 @@ -55,11 +61,7 @@
24392 * and small than max_low_pfn, otherwise will waste some page table entries
24393 */
24394
24395 -#if PTRS_PER_PMD > 1
24396 -#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD)
24397 -#else
24398 -#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD)
24399 -#endif
24400 +#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE)
24401
24402 /* Number of possible pages in the lowmem region */
24403 LOWMEM_PAGES = (((1<<32) - __PAGE_OFFSET) >> PAGE_SHIFT)
24404 @@ -78,6 +80,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE
24405 RESERVE_BRK(pagetables, INIT_MAP_SIZE)
24406
24407 /*
24408 + * Real beginning of normal "text" segment
24409 + */
24410 +ENTRY(stext)
24411 +ENTRY(_stext)
24412 +
24413 +/*
24414 * 32-bit kernel entrypoint; only used by the boot CPU. On entry,
24415 * %esi points to the real-mode code as a 32-bit pointer.
24416 * CS and DS must be 4 GB flat segments, but we don't depend on
24417 @@ -85,6 +93,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
24418 * can.
24419 */
24420 __HEAD
24421 +
24422 +#ifdef CONFIG_PAX_KERNEXEC
24423 + jmp startup_32
24424 +/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */
24425 +.fill PAGE_SIZE-5,1,0xcc
24426 +#endif
24427 +
24428 ENTRY(startup_32)
24429 movl pa(stack_start),%ecx
24430
24431 @@ -106,6 +121,59 @@ ENTRY(startup_32)
24432 2:
24433 leal -__PAGE_OFFSET(%ecx),%esp
24434
24435 +#ifdef CONFIG_SMP
24436 + movl $pa(cpu_gdt_table),%edi
24437 + movl $__per_cpu_load,%eax
24438 + movw %ax,GDT_ENTRY_PERCPU * 8 + 2(%edi)
24439 + rorl $16,%eax
24440 + movb %al,GDT_ENTRY_PERCPU * 8 + 4(%edi)
24441 + movb %ah,GDT_ENTRY_PERCPU * 8 + 7(%edi)
24442 + movl $__per_cpu_end - 1,%eax
24443 + subl $__per_cpu_start,%eax
24444 + movw %ax,GDT_ENTRY_PERCPU * 8 + 0(%edi)
24445 +#endif
24446 +
24447 +#ifdef CONFIG_PAX_MEMORY_UDEREF
24448 + movl $NR_CPUS,%ecx
24449 + movl $pa(cpu_gdt_table),%edi
24450 +1:
24451 + movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi)
24452 + movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi)
24453 + movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi)
24454 + addl $PAGE_SIZE_asm,%edi
24455 + loop 1b
24456 +#endif
24457 +
24458 +#ifdef CONFIG_PAX_KERNEXEC
24459 + movl $pa(boot_gdt),%edi
24460 + movl $__LOAD_PHYSICAL_ADDR,%eax
24461 + movw %ax,GDT_ENTRY_BOOT_CS * 8 + 2(%edi)
24462 + rorl $16,%eax
24463 + movb %al,GDT_ENTRY_BOOT_CS * 8 + 4(%edi)
24464 + movb %ah,GDT_ENTRY_BOOT_CS * 8 + 7(%edi)
24465 + rorl $16,%eax
24466 +
24467 + ljmp $(__BOOT_CS),$1f
24468 +1:
24469 +
24470 + movl $NR_CPUS,%ecx
24471 + movl $pa(cpu_gdt_table),%edi
24472 + addl $__PAGE_OFFSET,%eax
24473 +1:
24474 + movb $0xc0,GDT_ENTRY_KERNEL_CS * 8 + 6(%edi)
24475 + movb $0xc0,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 6(%edi)
24476 + movw %ax,GDT_ENTRY_KERNEL_CS * 8 + 2(%edi)
24477 + movw %ax,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 2(%edi)
24478 + rorl $16,%eax
24479 + movb %al,GDT_ENTRY_KERNEL_CS * 8 + 4(%edi)
24480 + movb %al,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 4(%edi)
24481 + movb %ah,GDT_ENTRY_KERNEL_CS * 8 + 7(%edi)
24482 + movb %ah,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 7(%edi)
24483 + rorl $16,%eax
24484 + addl $PAGE_SIZE_asm,%edi
24485 + loop 1b
24486 +#endif
24487 +
24488 /*
24489 * Clear BSS first so that there are no surprises...
24490 */
24491 @@ -201,8 +269,11 @@ ENTRY(startup_32)
24492 movl %eax, pa(max_pfn_mapped)
24493
24494 /* Do early initialization of the fixmap area */
24495 - movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
24496 - movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8)
24497 +#ifdef CONFIG_COMPAT_VDSO
24498 + movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8)
24499 +#else
24500 + movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8)
24501 +#endif
24502 #else /* Not PAE */
24503
24504 page_pde_offset = (__PAGE_OFFSET >> 20);
24505 @@ -232,8 +303,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
24506 movl %eax, pa(max_pfn_mapped)
24507
24508 /* Do early initialization of the fixmap area */
24509 - movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax
24510 - movl %eax,pa(initial_page_table+0xffc)
24511 +#ifdef CONFIG_COMPAT_VDSO
24512 + movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc)
24513 +#else
24514 + movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc)
24515 +#endif
24516 #endif
24517
24518 #ifdef CONFIG_PARAVIRT
24519 @@ -247,9 +321,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
24520 cmpl $num_subarch_entries, %eax
24521 jae bad_subarch
24522
24523 - movl pa(subarch_entries)(,%eax,4), %eax
24524 - subl $__PAGE_OFFSET, %eax
24525 - jmp *%eax
24526 + jmp *pa(subarch_entries)(,%eax,4)
24527
24528 bad_subarch:
24529 WEAK(lguest_entry)
24530 @@ -261,10 +333,10 @@ WEAK(xen_entry)
24531 __INITDATA
24532
24533 subarch_entries:
24534 - .long default_entry /* normal x86/PC */
24535 - .long lguest_entry /* lguest hypervisor */
24536 - .long xen_entry /* Xen hypervisor */
24537 - .long default_entry /* Moorestown MID */
24538 + .long ta(default_entry) /* normal x86/PC */
24539 + .long ta(lguest_entry) /* lguest hypervisor */
24540 + .long ta(xen_entry) /* Xen hypervisor */
24541 + .long ta(default_entry) /* Moorestown MID */
24542 num_subarch_entries = (. - subarch_entries) / 4
24543 .previous
24544 #else
24545 @@ -354,6 +426,7 @@ default_entry:
24546 movl pa(mmu_cr4_features),%eax
24547 movl %eax,%cr4
24548
24549 +#ifdef CONFIG_X86_PAE
24550 testb $X86_CR4_PAE, %al # check if PAE is enabled
24551 jz enable_paging
24552
24553 @@ -382,6 +455,9 @@ default_entry:
24554 /* Make changes effective */
24555 wrmsr
24556
24557 + btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4)
24558 +#endif
24559 +
24560 enable_paging:
24561
24562 /*
24563 @@ -449,14 +525,20 @@ is486:
24564 1: movl $(__KERNEL_DS),%eax # reload all the segment registers
24565 movl %eax,%ss # after changing gdt.
24566
24567 - movl $(__USER_DS),%eax # DS/ES contains default USER segment
24568 +# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment
24569 movl %eax,%ds
24570 movl %eax,%es
24571
24572 movl $(__KERNEL_PERCPU), %eax
24573 movl %eax,%fs # set this cpu's percpu
24574
24575 +#ifdef CONFIG_CC_STACKPROTECTOR
24576 movl $(__KERNEL_STACK_CANARY),%eax
24577 +#elif defined(CONFIG_PAX_MEMORY_UDEREF)
24578 + movl $(__USER_DS),%eax
24579 +#else
24580 + xorl %eax,%eax
24581 +#endif
24582 movl %eax,%gs
24583
24584 xorl %eax,%eax # Clear LDT
24585 @@ -512,8 +594,11 @@ setup_once:
24586 * relocation. Manually set base address in stack canary
24587 * segment descriptor.
24588 */
24589 - movl $gdt_page,%eax
24590 + movl $cpu_gdt_table,%eax
24591 movl $stack_canary,%ecx
24592 +#ifdef CONFIG_SMP
24593 + addl $__per_cpu_load,%ecx
24594 +#endif
24595 movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax)
24596 shrl $16, %ecx
24597 movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax)
24598 @@ -548,7 +633,7 @@ ENTRY(early_idt_handler)
24599 cmpl $2,(%esp) # X86_TRAP_NMI
24600 je is_nmi # Ignore NMI
24601
24602 - cmpl $2,%ss:early_recursion_flag
24603 + cmpl $1,%ss:early_recursion_flag
24604 je hlt_loop
24605 incl %ss:early_recursion_flag
24606
24607 @@ -586,8 +671,8 @@ ENTRY(early_idt_handler)
24608 pushl (20+6*4)(%esp) /* trapno */
24609 pushl $fault_msg
24610 call printk
24611 -#endif
24612 call dump_stack
24613 +#endif
24614 hlt_loop:
24615 hlt
24616 jmp hlt_loop
24617 @@ -607,8 +692,11 @@ ENDPROC(early_idt_handler)
24618 /* This is the default interrupt "handler" :-) */
24619 ALIGN
24620 ignore_int:
24621 - cld
24622 #ifdef CONFIG_PRINTK
24623 + cmpl $2,%ss:early_recursion_flag
24624 + je hlt_loop
24625 + incl %ss:early_recursion_flag
24626 + cld
24627 pushl %eax
24628 pushl %ecx
24629 pushl %edx
24630 @@ -617,9 +705,6 @@ ignore_int:
24631 movl $(__KERNEL_DS),%eax
24632 movl %eax,%ds
24633 movl %eax,%es
24634 - cmpl $2,early_recursion_flag
24635 - je hlt_loop
24636 - incl early_recursion_flag
24637 pushl 16(%esp)
24638 pushl 24(%esp)
24639 pushl 32(%esp)
24640 @@ -653,29 +738,34 @@ ENTRY(setup_once_ref)
24641 /*
24642 * BSS section
24643 */
24644 -__PAGE_ALIGNED_BSS
24645 - .align PAGE_SIZE
24646 #ifdef CONFIG_X86_PAE
24647 +.section .initial_pg_pmd,"a",@progbits
24648 initial_pg_pmd:
24649 .fill 1024*KPMDS,4,0
24650 #else
24651 +.section .initial_page_table,"a",@progbits
24652 ENTRY(initial_page_table)
24653 .fill 1024,4,0
24654 #endif
24655 +.section .initial_pg_fixmap,"a",@progbits
24656 initial_pg_fixmap:
24657 .fill 1024,4,0
24658 +.section .empty_zero_page,"a",@progbits
24659 ENTRY(empty_zero_page)
24660 .fill 4096,1,0
24661 +.section .swapper_pg_dir,"a",@progbits
24662 ENTRY(swapper_pg_dir)
24663 +#ifdef CONFIG_X86_PAE
24664 + .fill 4,8,0
24665 +#else
24666 .fill 1024,4,0
24667 +#endif
24668
24669 /*
24670 * This starts the data section.
24671 */
24672 #ifdef CONFIG_X86_PAE
24673 -__PAGE_ALIGNED_DATA
24674 - /* Page-aligned for the benefit of paravirt? */
24675 - .align PAGE_SIZE
24676 +.section .initial_page_table,"a",@progbits
24677 ENTRY(initial_page_table)
24678 .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */
24679 # if KPMDS == 3
24680 @@ -694,12 +784,20 @@ ENTRY(initial_page_table)
24681 # error "Kernel PMDs should be 1, 2 or 3"
24682 # endif
24683 .align PAGE_SIZE /* needs to be page-sized too */
24684 +
24685 +#ifdef CONFIG_PAX_PER_CPU_PGD
24686 +ENTRY(cpu_pgd)
24687 + .rept 2*NR_CPUS
24688 + .fill 4,8,0
24689 + .endr
24690 +#endif
24691 +
24692 #endif
24693
24694 .data
24695 .balign 4
24696 ENTRY(stack_start)
24697 - .long init_thread_union+THREAD_SIZE
24698 + .long init_thread_union+THREAD_SIZE-8
24699
24700 __INITRODATA
24701 int_msg:
24702 @@ -727,7 +825,7 @@ fault_msg:
24703 * segment size, and 32-bit linear address value:
24704 */
24705
24706 - .data
24707 +.section .rodata,"a",@progbits
24708 .globl boot_gdt_descr
24709 .globl idt_descr
24710
24711 @@ -736,7 +834,7 @@ fault_msg:
24712 .word 0 # 32 bit align gdt_desc.address
24713 boot_gdt_descr:
24714 .word __BOOT_DS+7
24715 - .long boot_gdt - __PAGE_OFFSET
24716 + .long pa(boot_gdt)
24717
24718 .word 0 # 32-bit align idt_desc.address
24719 idt_descr:
24720 @@ -747,7 +845,7 @@ idt_descr:
24721 .word 0 # 32 bit align gdt_desc.address
24722 ENTRY(early_gdt_descr)
24723 .word GDT_ENTRIES*8-1
24724 - .long gdt_page /* Overwritten for secondary CPUs */
24725 + .long cpu_gdt_table /* Overwritten for secondary CPUs */
24726
24727 /*
24728 * The boot_gdt must mirror the equivalent in setup.S and is
24729 @@ -756,5 +854,65 @@ ENTRY(early_gdt_descr)
24730 .align L1_CACHE_BYTES
24731 ENTRY(boot_gdt)
24732 .fill GDT_ENTRY_BOOT_CS,8,0
24733 - .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */
24734 - .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */
24735 + .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */
24736 + .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */
24737 +
24738 + .align PAGE_SIZE_asm
24739 +ENTRY(cpu_gdt_table)
24740 + .rept NR_CPUS
24741 + .quad 0x0000000000000000 /* NULL descriptor */
24742 + .quad 0x0000000000000000 /* 0x0b reserved */
24743 + .quad 0x0000000000000000 /* 0x13 reserved */
24744 + .quad 0x0000000000000000 /* 0x1b reserved */
24745 +
24746 +#ifdef CONFIG_PAX_KERNEXEC
24747 + .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */
24748 +#else
24749 + .quad 0x0000000000000000 /* 0x20 unused */
24750 +#endif
24751 +
24752 + .quad 0x0000000000000000 /* 0x28 unused */
24753 + .quad 0x0000000000000000 /* 0x33 TLS entry 1 */
24754 + .quad 0x0000000000000000 /* 0x3b TLS entry 2 */
24755 + .quad 0x0000000000000000 /* 0x43 TLS entry 3 */
24756 + .quad 0x0000000000000000 /* 0x4b reserved */
24757 + .quad 0x0000000000000000 /* 0x53 reserved */
24758 + .quad 0x0000000000000000 /* 0x5b reserved */
24759 +
24760 + .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */
24761 + .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */
24762 + .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */
24763 + .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */
24764 +
24765 + .quad 0x0000000000000000 /* 0x80 TSS descriptor */
24766 + .quad 0x0000000000000000 /* 0x88 LDT descriptor */
24767 +
24768 + /*
24769 + * Segments used for calling PnP BIOS have byte granularity.
24770 + * The code segments and data segments have fixed 64k limits,
24771 + * the transfer segment sizes are set at run time.
24772 + */
24773 + .quad 0x00409b000000ffff /* 0x90 32-bit code */
24774 + .quad 0x00009b000000ffff /* 0x98 16-bit code */
24775 + .quad 0x000093000000ffff /* 0xa0 16-bit data */
24776 + .quad 0x0000930000000000 /* 0xa8 16-bit data */
24777 + .quad 0x0000930000000000 /* 0xb0 16-bit data */
24778 +
24779 + /*
24780 + * The APM segments have byte granularity and their bases
24781 + * are set at run time. All have 64k limits.
24782 + */
24783 + .quad 0x00409b000000ffff /* 0xb8 APM CS code */
24784 + .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */
24785 + .quad 0x004093000000ffff /* 0xc8 APM DS data */
24786 +
24787 + .quad 0x00c093000000ffff /* 0xd0 - ESPFIX SS */
24788 + .quad 0x0040930000000000 /* 0xd8 - PERCPU */
24789 + .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */
24790 + .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */
24791 + .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */
24792 + .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */
24793 +
24794 + /* Be sure this is zeroed to avoid false validations in Xen */
24795 + .fill PAGE_SIZE_asm - GDT_SIZE,1,0
24796 + .endr
24797 diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
24798 index a468c0a..8b5a879 100644
24799 --- a/arch/x86/kernel/head_64.S
24800 +++ b/arch/x86/kernel/head_64.S
24801 @@ -20,6 +20,8 @@
24802 #include <asm/processor-flags.h>
24803 #include <asm/percpu.h>
24804 #include <asm/nops.h>
24805 +#include <asm/cpufeature.h>
24806 +#include <asm/alternative-asm.h>
24807
24808 #ifdef CONFIG_PARAVIRT
24809 #include <asm/asm-offsets.h>
24810 @@ -41,6 +43,12 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET)
24811 L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET)
24812 L4_START_KERNEL = pgd_index(__START_KERNEL_map)
24813 L3_START_KERNEL = pud_index(__START_KERNEL_map)
24814 +L4_VMALLOC_START = pgd_index(VMALLOC_START)
24815 +L3_VMALLOC_START = pud_index(VMALLOC_START)
24816 +L4_VMALLOC_END = pgd_index(VMALLOC_END)
24817 +L3_VMALLOC_END = pud_index(VMALLOC_END)
24818 +L4_VMEMMAP_START = pgd_index(VMEMMAP_START)
24819 +L3_VMEMMAP_START = pud_index(VMEMMAP_START)
24820
24821 .text
24822 __HEAD
24823 @@ -89,11 +97,24 @@ startup_64:
24824 * Fixup the physical addresses in the page table
24825 */
24826 addq %rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip)
24827 + addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
24828 + addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip)
24829 + addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip)
24830 + addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip)
24831 + addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
24832
24833 - addq %rbp, level3_kernel_pgt + (510*8)(%rip)
24834 - addq %rbp, level3_kernel_pgt + (511*8)(%rip)
24835 + addq %rbp, level3_ident_pgt + (0*8)(%rip)
24836 +#ifndef CONFIG_XEN
24837 + addq %rbp, level3_ident_pgt + (1*8)(%rip)
24838 +#endif
24839 +
24840 + addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip)
24841 +
24842 + addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip)
24843 + addq %rbp, level3_kernel_pgt + ((L3_START_KERNEL+1)*8)(%rip)
24844
24845 addq %rbp, level2_fixmap_pgt + (506*8)(%rip)
24846 + addq %rbp, level2_fixmap_pgt + (507*8)(%rip)
24847
24848 /*
24849 * Set up the identity mapping for the switchover. These
24850 @@ -174,11 +195,12 @@ ENTRY(secondary_startup_64)
24851 * after the boot processor executes this code.
24852 */
24853
24854 + orq $-1, %rbp
24855 movq $(init_level4_pgt - __START_KERNEL_map), %rax
24856 1:
24857
24858 - /* Enable PAE mode and PGE */
24859 - movl $(X86_CR4_PAE | X86_CR4_PGE), %ecx
24860 + /* Enable PAE mode and PSE/PGE */
24861 + movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %ecx
24862 movq %rcx, %cr4
24863
24864 /* Setup early boot stage 4 level pagetables. */
24865 @@ -199,10 +221,19 @@ ENTRY(secondary_startup_64)
24866 movl $MSR_EFER, %ecx
24867 rdmsr
24868 btsl $_EFER_SCE, %eax /* Enable System Call */
24869 - btl $20,%edi /* No Execute supported? */
24870 + btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */
24871 jnc 1f
24872 btsl $_EFER_NX, %eax
24873 + cmpq $-1, %rbp
24874 + je 1f
24875 btsq $_PAGE_BIT_NX,early_pmd_flags(%rip)
24876 + btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_PAGE_OFFSET(%rip)
24877 + btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_START(%rip)
24878 + btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_END(%rip)
24879 + btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMEMMAP_START(%rip)
24880 + btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*506(%rip)
24881 + btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*507(%rip)
24882 + btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip)
24883 1: wrmsr /* Make changes effective */
24884
24885 /* Setup cr0 */
24886 @@ -282,6 +313,7 @@ ENTRY(secondary_startup_64)
24887 * REX.W + FF /5 JMP m16:64 Jump far, absolute indirect,
24888 * address given in m16:64.
24889 */
24890 + pax_set_fptr_mask
24891 movq initial_code(%rip),%rax
24892 pushq $0 # fake return address to stop unwinder
24893 pushq $__KERNEL_CS # set correct cs
24894 @@ -313,7 +345,7 @@ ENDPROC(start_cpu0)
24895 .quad INIT_PER_CPU_VAR(irq_stack_union)
24896
24897 GLOBAL(stack_start)
24898 - .quad init_thread_union+THREAD_SIZE-8
24899 + .quad init_thread_union+THREAD_SIZE-16
24900 .word 0
24901 __FINITDATA
24902
24903 @@ -391,7 +423,7 @@ ENTRY(early_idt_handler)
24904 call dump_stack
24905 #ifdef CONFIG_KALLSYMS
24906 leaq early_idt_ripmsg(%rip),%rdi
24907 - movq 40(%rsp),%rsi # %rip again
24908 + movq 88(%rsp),%rsi # %rip again
24909 call __print_symbol
24910 #endif
24911 #endif /* EARLY_PRINTK */
24912 @@ -420,6 +452,7 @@ ENDPROC(early_idt_handler)
24913 early_recursion_flag:
24914 .long 0
24915
24916 + .section .rodata,"a",@progbits
24917 #ifdef CONFIG_EARLY_PRINTK
24918 early_idt_msg:
24919 .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n"
24920 @@ -447,29 +480,52 @@ NEXT_PAGE(early_level4_pgt)
24921 NEXT_PAGE(early_dynamic_pgts)
24922 .fill 512*EARLY_DYNAMIC_PAGE_TABLES,8,0
24923
24924 - .data
24925 + .section .rodata,"a",@progbits
24926
24927 -#ifndef CONFIG_XEN
24928 NEXT_PAGE(init_level4_pgt)
24929 - .fill 512,8,0
24930 -#else
24931 -NEXT_PAGE(init_level4_pgt)
24932 - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
24933 .org init_level4_pgt + L4_PAGE_OFFSET*8, 0
24934 .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
24935 + .org init_level4_pgt + L4_VMALLOC_START*8, 0
24936 + .quad level3_vmalloc_start_pgt - __START_KERNEL_map + _KERNPG_TABLE
24937 + .org init_level4_pgt + L4_VMALLOC_END*8, 0
24938 + .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE
24939 + .org init_level4_pgt + L4_VMEMMAP_START*8, 0
24940 + .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
24941 .org init_level4_pgt + L4_START_KERNEL*8, 0
24942 /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
24943 .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
24944
24945 +#ifdef CONFIG_PAX_PER_CPU_PGD
24946 +NEXT_PAGE(cpu_pgd)
24947 + .rept 2*NR_CPUS
24948 + .fill 512,8,0
24949 + .endr
24950 +#endif
24951 +
24952 NEXT_PAGE(level3_ident_pgt)
24953 .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
24954 +#ifdef CONFIG_XEN
24955 .fill 511, 8, 0
24956 +#else
24957 + .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE
24958 + .fill 510,8,0
24959 +#endif
24960 +
24961 +NEXT_PAGE(level3_vmalloc_start_pgt)
24962 + .fill 512,8,0
24963 +
24964 +NEXT_PAGE(level3_vmalloc_end_pgt)
24965 + .fill 512,8,0
24966 +
24967 +NEXT_PAGE(level3_vmemmap_pgt)
24968 + .fill L3_VMEMMAP_START,8,0
24969 + .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE
24970 +
24971 NEXT_PAGE(level2_ident_pgt)
24972 - /* Since I easily can, map the first 1G.
24973 + /* Since I easily can, map the first 2G.
24974 * Don't set NX because code runs from these pages.
24975 */
24976 - PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
24977 -#endif
24978 + PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD)
24979
24980 NEXT_PAGE(level3_kernel_pgt)
24981 .fill L3_START_KERNEL,8,0
24982 @@ -477,6 +533,9 @@ NEXT_PAGE(level3_kernel_pgt)
24983 .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
24984 .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
24985
24986 +NEXT_PAGE(level2_vmemmap_pgt)
24987 + .fill 512,8,0
24988 +
24989 NEXT_PAGE(level2_kernel_pgt)
24990 /*
24991 * 512 MB kernel mapping. We spend a full page on this pagetable
24992 @@ -494,28 +553,64 @@ NEXT_PAGE(level2_kernel_pgt)
24993 NEXT_PAGE(level2_fixmap_pgt)
24994 .fill 506,8,0
24995 .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
24996 - /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
24997 - .fill 5,8,0
24998 + .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE
24999 + /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */
25000 + .fill 4,8,0
25001
25002 NEXT_PAGE(level1_fixmap_pgt)
25003 .fill 512,8,0
25004
25005 +NEXT_PAGE(level1_vsyscall_pgt)
25006 + .fill 512,8,0
25007 +
25008 #undef PMDS
25009
25010 - .data
25011 + .align PAGE_SIZE
25012 +ENTRY(cpu_gdt_table)
25013 + .rept NR_CPUS
25014 + .quad 0x0000000000000000 /* NULL descriptor */
25015 + .quad 0x00cf9b000000ffff /* __KERNEL32_CS */
25016 + .quad 0x00af9b000000ffff /* __KERNEL_CS */
25017 + .quad 0x00cf93000000ffff /* __KERNEL_DS */
25018 + .quad 0x00cffb000000ffff /* __USER32_CS */
25019 + .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */
25020 + .quad 0x00affb000000ffff /* __USER_CS */
25021 +
25022 +#ifdef CONFIG_PAX_KERNEXEC
25023 + .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */
25024 +#else
25025 + .quad 0x0 /* unused */
25026 +#endif
25027 +
25028 + .quad 0,0 /* TSS */
25029 + .quad 0,0 /* LDT */
25030 + .quad 0,0,0 /* three TLS descriptors */
25031 + .quad 0x0000f40000000000 /* node/CPU stored in limit */
25032 + /* asm/segment.h:GDT_ENTRIES must match this */
25033 +
25034 +#ifdef CONFIG_PAX_MEMORY_UDEREF
25035 + .quad 0x00cf93000000ffff /* __UDEREF_KERNEL_DS */
25036 +#else
25037 + .quad 0x0 /* unused */
25038 +#endif
25039 +
25040 + /* zero the remaining page */
25041 + .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0
25042 + .endr
25043 +
25044 .align 16
25045 .globl early_gdt_descr
25046 early_gdt_descr:
25047 .word GDT_ENTRIES*8-1
25048 early_gdt_descr_base:
25049 - .quad INIT_PER_CPU_VAR(gdt_page)
25050 + .quad cpu_gdt_table
25051
25052 ENTRY(phys_base)
25053 /* This must match the first entry in level2_kernel_pgt */
25054 .quad 0x0000000000000000
25055
25056 #include "../../x86/xen/xen-head.S"
25057 -
25058 - __PAGE_ALIGNED_BSS
25059 +
25060 + .section .rodata,"a",@progbits
25061 NEXT_PAGE(empty_zero_page)
25062 .skip PAGE_SIZE
25063 diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c
25064 index 05fd74f..c3548b1 100644
25065 --- a/arch/x86/kernel/i386_ksyms_32.c
25066 +++ b/arch/x86/kernel/i386_ksyms_32.c
25067 @@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void);
25068 EXPORT_SYMBOL(cmpxchg8b_emu);
25069 #endif
25070
25071 +EXPORT_SYMBOL_GPL(cpu_gdt_table);
25072 +
25073 /* Networking helper routines. */
25074 EXPORT_SYMBOL(csum_partial_copy_generic);
25075 +EXPORT_SYMBOL(csum_partial_copy_generic_to_user);
25076 +EXPORT_SYMBOL(csum_partial_copy_generic_from_user);
25077
25078 EXPORT_SYMBOL(__get_user_1);
25079 EXPORT_SYMBOL(__get_user_2);
25080 @@ -44,3 +48,11 @@ EXPORT_SYMBOL(___preempt_schedule);
25081 EXPORT_SYMBOL(___preempt_schedule_context);
25082 #endif
25083 #endif
25084 +
25085 +#ifdef CONFIG_PAX_KERNEXEC
25086 +EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR);
25087 +#endif
25088 +
25089 +#ifdef CONFIG_PAX_PER_CPU_PGD
25090 +EXPORT_SYMBOL(cpu_pgd);
25091 +#endif
25092 diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
25093 index a9a4229..6f4d476 100644
25094 --- a/arch/x86/kernel/i387.c
25095 +++ b/arch/x86/kernel/i387.c
25096 @@ -51,7 +51,7 @@ static inline bool interrupted_kernel_fpu_idle(void)
25097 static inline bool interrupted_user_mode(void)
25098 {
25099 struct pt_regs *regs = get_irq_regs();
25100 - return regs && user_mode_vm(regs);
25101 + return regs && user_mode(regs);
25102 }
25103
25104 /*
25105 diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
25106 index e7cc537..67d7372 100644
25107 --- a/arch/x86/kernel/i8259.c
25108 +++ b/arch/x86/kernel/i8259.c
25109 @@ -110,7 +110,7 @@ static int i8259A_irq_pending(unsigned int irq)
25110 static void make_8259A_irq(unsigned int irq)
25111 {
25112 disable_irq_nosync(irq);
25113 - io_apic_irqs &= ~(1<<irq);
25114 + io_apic_irqs &= ~(1UL<<irq);
25115 irq_set_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
25116 enable_irq(irq);
25117 }
25118 @@ -208,7 +208,7 @@ spurious_8259A_irq:
25119 "spurious 8259A interrupt: IRQ%d.\n", irq);
25120 spurious_irq_mask |= irqmask;
25121 }
25122 - atomic_inc(&irq_err_count);
25123 + atomic_inc_unchecked(&irq_err_count);
25124 /*
25125 * Theoretically we do not have to handle this IRQ,
25126 * but in Linux this does not cause problems and is
25127 @@ -349,14 +349,16 @@ static void init_8259A(int auto_eoi)
25128 /* (slave's support for AEOI in flat mode is to be investigated) */
25129 outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR);
25130
25131 + pax_open_kernel();
25132 if (auto_eoi)
25133 /*
25134 * In AEOI mode we just have to mask the interrupt
25135 * when acking.
25136 */
25137 - i8259A_chip.irq_mask_ack = disable_8259A_irq;
25138 + *(void **)&i8259A_chip.irq_mask_ack = disable_8259A_irq;
25139 else
25140 - i8259A_chip.irq_mask_ack = mask_and_ack_8259A;
25141 + *(void **)&i8259A_chip.irq_mask_ack = mask_and_ack_8259A;
25142 + pax_close_kernel();
25143
25144 udelay(100); /* wait for 8259A to initialize */
25145
25146 diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
25147 index a979b5b..1d6db75 100644
25148 --- a/arch/x86/kernel/io_delay.c
25149 +++ b/arch/x86/kernel/io_delay.c
25150 @@ -58,7 +58,7 @@ static int __init dmi_io_delay_0xed_port(const struct dmi_system_id *id)
25151 * Quirk table for systems that misbehave (lock up, etc.) if port
25152 * 0x80 is used:
25153 */
25154 -static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = {
25155 +static const struct dmi_system_id __initconst io_delay_0xed_port_dmi_table[] = {
25156 {
25157 .callback = dmi_io_delay_0xed_port,
25158 .ident = "Compaq Presario V6000",
25159 diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
25160 index 4ddaf66..49d5c18 100644
25161 --- a/arch/x86/kernel/ioport.c
25162 +++ b/arch/x86/kernel/ioport.c
25163 @@ -6,6 +6,7 @@
25164 #include <linux/sched.h>
25165 #include <linux/kernel.h>
25166 #include <linux/capability.h>
25167 +#include <linux/security.h>
25168 #include <linux/errno.h>
25169 #include <linux/types.h>
25170 #include <linux/ioport.h>
25171 @@ -30,6 +31,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
25172 return -EINVAL;
25173 if (turn_on && !capable(CAP_SYS_RAWIO))
25174 return -EPERM;
25175 +#ifdef CONFIG_GRKERNSEC_IO
25176 + if (turn_on && grsec_disable_privio) {
25177 + gr_handle_ioperm();
25178 + return -ENODEV;
25179 + }
25180 +#endif
25181
25182 /*
25183 * If it's the first ioperm() call in this thread's lifetime, set the
25184 @@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
25185 * because the ->io_bitmap_max value must match the bitmap
25186 * contents:
25187 */
25188 - tss = &per_cpu(init_tss, get_cpu());
25189 + tss = init_tss + get_cpu();
25190
25191 if (turn_on)
25192 bitmap_clear(t->io_bitmap_ptr, from, num);
25193 @@ -105,6 +112,12 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
25194 if (level > old) {
25195 if (!capable(CAP_SYS_RAWIO))
25196 return -EPERM;
25197 +#ifdef CONFIG_GRKERNSEC_IO
25198 + if (grsec_disable_privio) {
25199 + gr_handle_iopl();
25200 + return -ENODEV;
25201 + }
25202 +#endif
25203 }
25204 regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
25205 t->iopl = level << 12;
25206 diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
25207 index 3790775..53717dc 100644
25208 --- a/arch/x86/kernel/irq.c
25209 +++ b/arch/x86/kernel/irq.c
25210 @@ -22,7 +22,7 @@
25211 #define CREATE_TRACE_POINTS
25212 #include <asm/trace/irq_vectors.h>
25213
25214 -atomic_t irq_err_count;
25215 +atomic_unchecked_t irq_err_count;
25216
25217 /* Function pointer for generic interrupt vector handling */
25218 void (*x86_platform_ipi_callback)(void) = NULL;
25219 @@ -132,9 +132,9 @@ int arch_show_interrupts(struct seq_file *p, int prec)
25220 seq_printf(p, "%10u ", irq_stats(j)->irq_hv_callback_count);
25221 seq_printf(p, " Hypervisor callback interrupts\n");
25222 #endif
25223 - seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
25224 + seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count));
25225 #if defined(CONFIG_X86_IO_APIC)
25226 - seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
25227 + seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count));
25228 #endif
25229 return 0;
25230 }
25231 @@ -174,7 +174,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
25232
25233 u64 arch_irq_stat(void)
25234 {
25235 - u64 sum = atomic_read(&irq_err_count);
25236 + u64 sum = atomic_read_unchecked(&irq_err_count);
25237 return sum;
25238 }
25239
25240 diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
25241 index 63ce838..2ea3e06 100644
25242 --- a/arch/x86/kernel/irq_32.c
25243 +++ b/arch/x86/kernel/irq_32.c
25244 @@ -29,6 +29,8 @@ EXPORT_PER_CPU_SYMBOL(irq_regs);
25245
25246 #ifdef CONFIG_DEBUG_STACKOVERFLOW
25247
25248 +extern void gr_handle_kernel_exploit(void);
25249 +
25250 int sysctl_panic_on_stackoverflow __read_mostly;
25251
25252 /* Debugging check for stack overflow: is there less than 1KB free? */
25253 @@ -39,13 +41,14 @@ static int check_stack_overflow(void)
25254 __asm__ __volatile__("andl %%esp,%0" :
25255 "=r" (sp) : "0" (THREAD_SIZE - 1));
25256
25257 - return sp < (sizeof(struct thread_info) + STACK_WARN);
25258 + return sp < STACK_WARN;
25259 }
25260
25261 static void print_stack_overflow(void)
25262 {
25263 printk(KERN_WARNING "low stack detected by irq handler\n");
25264 dump_stack();
25265 + gr_handle_kernel_exploit();
25266 if (sysctl_panic_on_stackoverflow)
25267 panic("low stack detected by irq handler - check messages\n");
25268 }
25269 @@ -84,10 +87,9 @@ static inline void *current_stack(void)
25270 static inline int
25271 execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
25272 {
25273 - struct irq_stack *curstk, *irqstk;
25274 + struct irq_stack *irqstk;
25275 u32 *isp, *prev_esp, arg1, arg2;
25276
25277 - curstk = (struct irq_stack *) current_stack();
25278 irqstk = __this_cpu_read(hardirq_stack);
25279
25280 /*
25281 @@ -96,15 +98,19 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
25282 * handler) we can't do that and just have to keep using the
25283 * current stack (which is the irq stack already after all)
25284 */
25285 - if (unlikely(curstk == irqstk))
25286 + if (unlikely((void *)current_stack_pointer - (void *)irqstk < THREAD_SIZE))
25287 return 0;
25288
25289 - isp = (u32 *) ((char *)irqstk + sizeof(*irqstk));
25290 + isp = (u32 *) ((char *)irqstk + sizeof(*irqstk) - 8);
25291
25292 /* Save the next esp at the bottom of the stack */
25293 prev_esp = (u32 *)irqstk;
25294 *prev_esp = current_stack_pointer;
25295
25296 +#ifdef CONFIG_PAX_MEMORY_UDEREF
25297 + __set_fs(MAKE_MM_SEG(0));
25298 +#endif
25299 +
25300 if (unlikely(overflow))
25301 call_on_stack(print_stack_overflow, isp);
25302
25303 @@ -115,6 +121,11 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
25304 : "0" (irq), "1" (desc), "2" (isp),
25305 "D" (desc->handle_irq)
25306 : "memory", "cc", "ecx");
25307 +
25308 +#ifdef CONFIG_PAX_MEMORY_UDEREF
25309 + __set_fs(current_thread_info()->addr_limit);
25310 +#endif
25311 +
25312 return 1;
25313 }
25314
25315 @@ -123,32 +134,18 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
25316 */
25317 void irq_ctx_init(int cpu)
25318 {
25319 - struct irq_stack *irqstk;
25320 -
25321 if (per_cpu(hardirq_stack, cpu))
25322 return;
25323
25324 - irqstk = page_address(alloc_pages_node(cpu_to_node(cpu),
25325 - THREADINFO_GFP,
25326 - THREAD_SIZE_ORDER));
25327 - per_cpu(hardirq_stack, cpu) = irqstk;
25328 -
25329 - irqstk = page_address(alloc_pages_node(cpu_to_node(cpu),
25330 - THREADINFO_GFP,
25331 - THREAD_SIZE_ORDER));
25332 - per_cpu(softirq_stack, cpu) = irqstk;
25333 -
25334 - printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n",
25335 - cpu, per_cpu(hardirq_stack, cpu), per_cpu(softirq_stack, cpu));
25336 + per_cpu(hardirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
25337 + per_cpu(softirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER));
25338 }
25339
25340 void do_softirq_own_stack(void)
25341 {
25342 - struct thread_info *curstk;
25343 struct irq_stack *irqstk;
25344 u32 *isp, *prev_esp;
25345
25346 - curstk = current_stack();
25347 irqstk = __this_cpu_read(softirq_stack);
25348
25349 /* build the stack frame on the softirq stack */
25350 @@ -158,7 +155,16 @@ void do_softirq_own_stack(void)
25351 prev_esp = (u32 *)irqstk;
25352 *prev_esp = current_stack_pointer;
25353
25354 +#ifdef CONFIG_PAX_MEMORY_UDEREF
25355 + __set_fs(MAKE_MM_SEG(0));
25356 +#endif
25357 +
25358 call_on_stack(__do_softirq, isp);
25359 +
25360 +#ifdef CONFIG_PAX_MEMORY_UDEREF
25361 + __set_fs(current_thread_info()->addr_limit);
25362 +#endif
25363 +
25364 }
25365
25366 bool handle_irq(unsigned irq, struct pt_regs *regs)
25367 @@ -172,7 +178,7 @@ bool handle_irq(unsigned irq, struct pt_regs *regs)
25368 if (unlikely(!desc))
25369 return false;
25370
25371 - if (user_mode_vm(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
25372 + if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) {
25373 if (unlikely(overflow))
25374 print_stack_overflow();
25375 desc->handle_irq(irq, desc);
25376 diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
25377 index e4b503d..824fce8 100644
25378 --- a/arch/x86/kernel/irq_64.c
25379 +++ b/arch/x86/kernel/irq_64.c
25380 @@ -26,6 +26,8 @@ EXPORT_PER_CPU_SYMBOL(irq_stat);
25381 DEFINE_PER_CPU(struct pt_regs *, irq_regs);
25382 EXPORT_PER_CPU_SYMBOL(irq_regs);
25383
25384 +extern void gr_handle_kernel_exploit(void);
25385 +
25386 int sysctl_panic_on_stackoverflow;
25387
25388 /*
25389 @@ -44,7 +46,7 @@ static inline void stack_overflow_check(struct pt_regs *regs)
25390 u64 estack_top, estack_bottom;
25391 u64 curbase = (u64)task_stack_page(current);
25392
25393 - if (user_mode_vm(regs))
25394 + if (user_mode(regs))
25395 return;
25396
25397 if (regs->sp >= curbase + sizeof(struct thread_info) +
25398 @@ -69,6 +71,8 @@ static inline void stack_overflow_check(struct pt_regs *regs)
25399 irq_stack_top, irq_stack_bottom,
25400 estack_top, estack_bottom);
25401
25402 + gr_handle_kernel_exploit();
25403 +
25404 if (sysctl_panic_on_stackoverflow)
25405 panic("low stack detected by irq handler - check messages\n");
25406 #endif
25407 diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c
25408 index 26d5a55..a01160a 100644
25409 --- a/arch/x86/kernel/jump_label.c
25410 +++ b/arch/x86/kernel/jump_label.c
25411 @@ -51,7 +51,7 @@ static void __jump_label_transform(struct jump_entry *entry,
25412 * Jump label is enabled for the first time.
25413 * So we expect a default_nop...
25414 */
25415 - if (unlikely(memcmp((void *)entry->code, default_nop, 5)
25416 + if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5)
25417 != 0))
25418 bug_at((void *)entry->code, __LINE__);
25419 } else {
25420 @@ -59,7 +59,7 @@ static void __jump_label_transform(struct jump_entry *entry,
25421 * ...otherwise expect an ideal_nop. Otherwise
25422 * something went horribly wrong.
25423 */
25424 - if (unlikely(memcmp((void *)entry->code, ideal_nop, 5)
25425 + if (unlikely(memcmp((void *)ktla_ktva(entry->code), ideal_nop, 5)
25426 != 0))
25427 bug_at((void *)entry->code, __LINE__);
25428 }
25429 @@ -75,13 +75,13 @@ static void __jump_label_transform(struct jump_entry *entry,
25430 * are converting the default nop to the ideal nop.
25431 */
25432 if (init) {
25433 - if (unlikely(memcmp((void *)entry->code, default_nop, 5) != 0))
25434 + if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) != 0))
25435 bug_at((void *)entry->code, __LINE__);
25436 } else {
25437 code.jump = 0xe9;
25438 code.offset = entry->target -
25439 (entry->code + JUMP_LABEL_NOP_SIZE);
25440 - if (unlikely(memcmp((void *)entry->code, &code, 5) != 0))
25441 + if (unlikely(memcmp((void *)ktla_ktva(entry->code), &code, 5) != 0))
25442 bug_at((void *)entry->code, __LINE__);
25443 }
25444 memcpy(&code, ideal_nops[NOP_ATOMIC5], JUMP_LABEL_NOP_SIZE);
25445 diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
25446 index 7ec1d5f..5a7d130 100644
25447 --- a/arch/x86/kernel/kgdb.c
25448 +++ b/arch/x86/kernel/kgdb.c
25449 @@ -126,11 +126,11 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
25450 #ifdef CONFIG_X86_32
25451 switch (regno) {
25452 case GDB_SS:
25453 - if (!user_mode_vm(regs))
25454 + if (!user_mode(regs))
25455 *(unsigned long *)mem = __KERNEL_DS;
25456 break;
25457 case GDB_SP:
25458 - if (!user_mode_vm(regs))
25459 + if (!user_mode(regs))
25460 *(unsigned long *)mem = kernel_stack_pointer(regs);
25461 break;
25462 case GDB_GS:
25463 @@ -228,7 +228,10 @@ static void kgdb_correct_hw_break(void)
25464 bp->attr.bp_addr = breakinfo[breakno].addr;
25465 bp->attr.bp_len = breakinfo[breakno].len;
25466 bp->attr.bp_type = breakinfo[breakno].type;
25467 - info->address = breakinfo[breakno].addr;
25468 + if (breakinfo[breakno].type == X86_BREAKPOINT_EXECUTE)
25469 + info->address = ktla_ktva(breakinfo[breakno].addr);
25470 + else
25471 + info->address = breakinfo[breakno].addr;
25472 info->len = breakinfo[breakno].len;
25473 info->type = breakinfo[breakno].type;
25474 val = arch_install_hw_breakpoint(bp);
25475 @@ -475,12 +478,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
25476 case 'k':
25477 /* clear the trace bit */
25478 linux_regs->flags &= ~X86_EFLAGS_TF;
25479 - atomic_set(&kgdb_cpu_doing_single_step, -1);
25480 + atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1);
25481
25482 /* set the trace bit if we're stepping */
25483 if (remcomInBuffer[0] == 's') {
25484 linux_regs->flags |= X86_EFLAGS_TF;
25485 - atomic_set(&kgdb_cpu_doing_single_step,
25486 + atomic_set_unchecked(&kgdb_cpu_doing_single_step,
25487 raw_smp_processor_id());
25488 }
25489
25490 @@ -545,7 +548,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
25491
25492 switch (cmd) {
25493 case DIE_DEBUG:
25494 - if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
25495 + if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
25496 if (user_mode(regs))
25497 return single_step_cont(regs, args);
25498 break;
25499 @@ -750,11 +753,11 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
25500 #endif /* CONFIG_DEBUG_RODATA */
25501
25502 bpt->type = BP_BREAKPOINT;
25503 - err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
25504 + err = probe_kernel_read(bpt->saved_instr, ktla_ktva((char *)bpt->bpt_addr),
25505 BREAK_INSTR_SIZE);
25506 if (err)
25507 return err;
25508 - err = probe_kernel_write((char *)bpt->bpt_addr,
25509 + err = probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr),
25510 arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE);
25511 #ifdef CONFIG_DEBUG_RODATA
25512 if (!err)
25513 @@ -767,7 +770,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
25514 return -EBUSY;
25515 text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr,
25516 BREAK_INSTR_SIZE);
25517 - err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE);
25518 + err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE);
25519 if (err)
25520 return err;
25521 if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE))
25522 @@ -792,13 +795,13 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
25523 if (mutex_is_locked(&text_mutex))
25524 goto knl_write;
25525 text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE);
25526 - err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE);
25527 + err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE);
25528 if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE))
25529 goto knl_write;
25530 return err;
25531 knl_write:
25532 #endif /* CONFIG_DEBUG_RODATA */
25533 - return probe_kernel_write((char *)bpt->bpt_addr,
25534 + return probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr),
25535 (char *)bpt->saved_instr, BREAK_INSTR_SIZE);
25536 }
25537
25538 diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
25539 index 93d2c04..36d0e94 100644
25540 --- a/arch/x86/kernel/kprobes/core.c
25541 +++ b/arch/x86/kernel/kprobes/core.c
25542 @@ -120,9 +120,12 @@ __synthesize_relative_insn(void *from, void *to, u8 op)
25543 s32 raddr;
25544 } __packed *insn;
25545
25546 - insn = (struct __arch_relative_insn *)from;
25547 + insn = (struct __arch_relative_insn *)ktla_ktva(from);
25548 +
25549 + pax_open_kernel();
25550 insn->raddr = (s32)((long)(to) - ((long)(from) + 5));
25551 insn->op = op;
25552 + pax_close_kernel();
25553 }
25554
25555 /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
25556 @@ -168,7 +171,7 @@ int can_boost(kprobe_opcode_t *opcodes)
25557 kprobe_opcode_t opcode;
25558 kprobe_opcode_t *orig_opcodes = opcodes;
25559
25560 - if (search_exception_tables((unsigned long)opcodes))
25561 + if (search_exception_tables(ktva_ktla((unsigned long)opcodes)))
25562 return 0; /* Page fault may occur on this address. */
25563
25564 retry:
25565 @@ -242,9 +245,9 @@ __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr)
25566 * for the first byte, we can recover the original instruction
25567 * from it and kp->opcode.
25568 */
25569 - memcpy(buf, kp->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
25570 + memcpy(buf, ktla_ktva(kp->addr), MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
25571 buf[0] = kp->opcode;
25572 - return (unsigned long)buf;
25573 + return ktva_ktla((unsigned long)buf);
25574 }
25575
25576 /*
25577 @@ -336,7 +339,9 @@ int __copy_instruction(u8 *dest, u8 *src)
25578 /* Another subsystem puts a breakpoint, failed to recover */
25579 if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION)
25580 return 0;
25581 + pax_open_kernel();
25582 memcpy(dest, insn.kaddr, insn.length);
25583 + pax_close_kernel();
25584
25585 #ifdef CONFIG_X86_64
25586 if (insn_rip_relative(&insn)) {
25587 @@ -363,7 +368,9 @@ int __copy_instruction(u8 *dest, u8 *src)
25588 return 0;
25589 }
25590 disp = (u8 *) dest + insn_offset_displacement(&insn);
25591 + pax_open_kernel();
25592 *(s32 *) disp = (s32) newdisp;
25593 + pax_close_kernel();
25594 }
25595 #endif
25596 return insn.length;
25597 @@ -505,7 +512,7 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs,
25598 * nor set current_kprobe, because it doesn't use single
25599 * stepping.
25600 */
25601 - regs->ip = (unsigned long)p->ainsn.insn;
25602 + regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
25603 preempt_enable_no_resched();
25604 return;
25605 }
25606 @@ -522,9 +529,9 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs,
25607 regs->flags &= ~X86_EFLAGS_IF;
25608 /* single step inline if the instruction is an int3 */
25609 if (p->opcode == BREAKPOINT_INSTRUCTION)
25610 - regs->ip = (unsigned long)p->addr;
25611 + regs->ip = ktla_ktva((unsigned long)p->addr);
25612 else
25613 - regs->ip = (unsigned long)p->ainsn.insn;
25614 + regs->ip = ktva_ktla((unsigned long)p->ainsn.insn);
25615 }
25616 NOKPROBE_SYMBOL(setup_singlestep);
25617
25618 @@ -574,7 +581,7 @@ int kprobe_int3_handler(struct pt_regs *regs)
25619 struct kprobe *p;
25620 struct kprobe_ctlblk *kcb;
25621
25622 - if (user_mode_vm(regs))
25623 + if (user_mode(regs))
25624 return 0;
25625
25626 addr = (kprobe_opcode_t *)(regs->ip - sizeof(kprobe_opcode_t));
25627 @@ -609,7 +616,7 @@ int kprobe_int3_handler(struct pt_regs *regs)
25628 setup_singlestep(p, regs, kcb, 0);
25629 return 1;
25630 }
25631 - } else if (*addr != BREAKPOINT_INSTRUCTION) {
25632 + } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) {
25633 /*
25634 * The breakpoint instruction was removed right
25635 * after we hit it. Another cpu has removed
25636 @@ -656,6 +663,9 @@ static void __used kretprobe_trampoline_holder(void)
25637 " movq %rax, 152(%rsp)\n"
25638 RESTORE_REGS_STRING
25639 " popfq\n"
25640 +#ifdef KERNEXEC_PLUGIN
25641 + " btsq $63,(%rsp)\n"
25642 +#endif
25643 #else
25644 " pushf\n"
25645 SAVE_REGS_STRING
25646 @@ -796,7 +806,7 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs,
25647 struct kprobe_ctlblk *kcb)
25648 {
25649 unsigned long *tos = stack_addr(regs);
25650 - unsigned long copy_ip = (unsigned long)p->ainsn.insn;
25651 + unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn);
25652 unsigned long orig_ip = (unsigned long)p->addr;
25653 kprobe_opcode_t *insn = p->ainsn.insn;
25654
25655 @@ -979,7 +989,7 @@ int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val,
25656 struct die_args *args = data;
25657 int ret = NOTIFY_DONE;
25658
25659 - if (args->regs && user_mode_vm(args->regs))
25660 + if (args->regs && user_mode(args->regs))
25661 return ret;
25662
25663 if (val == DIE_GPF) {
25664 diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
25665 index f1314d0..15f3154 100644
25666 --- a/arch/x86/kernel/kprobes/opt.c
25667 +++ b/arch/x86/kernel/kprobes/opt.c
25668 @@ -79,6 +79,7 @@ found:
25669 /* Insert a move instruction which sets a pointer to eax/rdi (1st arg). */
25670 static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val)
25671 {
25672 + pax_open_kernel();
25673 #ifdef CONFIG_X86_64
25674 *addr++ = 0x48;
25675 *addr++ = 0xbf;
25676 @@ -86,6 +87,7 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val)
25677 *addr++ = 0xb8;
25678 #endif
25679 *(unsigned long *)addr = val;
25680 + pax_close_kernel();
25681 }
25682
25683 asm (
25684 @@ -337,7 +339,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
25685 * Verify if the address gap is in 2GB range, because this uses
25686 * a relative jump.
25687 */
25688 - rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
25689 + rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE;
25690 if (abs(rel) > 0x7fffffff) {
25691 __arch_remove_optimized_kprobe(op, 0);
25692 return -ERANGE;
25693 @@ -354,16 +356,18 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
25694 op->optinsn.size = ret;
25695
25696 /* Copy arch-dep-instance from template */
25697 - memcpy(buf, &optprobe_template_entry, TMPL_END_IDX);
25698 + pax_open_kernel();
25699 + memcpy(buf, ktla_ktva(&optprobe_template_entry), TMPL_END_IDX);
25700 + pax_close_kernel();
25701
25702 /* Set probe information */
25703 synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op);
25704
25705 /* Set probe function call */
25706 - synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback);
25707 + synthesize_relcall(ktva_ktla(buf) + TMPL_CALL_IDX, optimized_callback);
25708
25709 /* Set returning jmp instruction at the tail of out-of-line buffer */
25710 - synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
25711 + synthesize_reljump(ktva_ktla(buf) + TMPL_END_IDX + op->optinsn.size,
25712 (u8 *)op->kp.addr + op->optinsn.size);
25713
25714 flush_icache_range((unsigned long) buf,
25715 @@ -388,7 +392,7 @@ void arch_optimize_kprobes(struct list_head *oplist)
25716 WARN_ON(kprobe_disabled(&op->kp));
25717
25718 /* Backup instructions which will be replaced by jump address */
25719 - memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE,
25720 + memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE,
25721 RELATIVE_ADDR_SIZE);
25722
25723 insn_buf[0] = RELATIVEJUMP_OPCODE;
25724 @@ -436,7 +440,7 @@ int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter)
25725 /* This kprobe is really able to run optimized path. */
25726 op = container_of(p, struct optimized_kprobe, kp);
25727 /* Detour through copied instructions */
25728 - regs->ip = (unsigned long)op->optinsn.insn + TMPL_END_IDX;
25729 + regs->ip = ktva_ktla((unsigned long)op->optinsn.insn) + TMPL_END_IDX;
25730 if (!reenter)
25731 reset_current_kprobe();
25732 preempt_enable_no_resched();
25733 diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c
25734 index c2bedae..25e7ab60 100644
25735 --- a/arch/x86/kernel/ksysfs.c
25736 +++ b/arch/x86/kernel/ksysfs.c
25737 @@ -184,7 +184,7 @@ out:
25738
25739 static struct kobj_attribute type_attr = __ATTR_RO(type);
25740
25741 -static struct bin_attribute data_attr = {
25742 +static bin_attribute_no_const data_attr __read_only = {
25743 .attr = {
25744 .name = "data",
25745 .mode = S_IRUGO,
25746 diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
25747 index c37886d..d851d32 100644
25748 --- a/arch/x86/kernel/ldt.c
25749 +++ b/arch/x86/kernel/ldt.c
25750 @@ -66,13 +66,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
25751 if (reload) {
25752 #ifdef CONFIG_SMP
25753 preempt_disable();
25754 - load_LDT(pc);
25755 + load_LDT_nolock(pc);
25756 if (!cpumask_equal(mm_cpumask(current->mm),
25757 cpumask_of(smp_processor_id())))
25758 smp_call_function(flush_ldt, current->mm, 1);
25759 preempt_enable();
25760 #else
25761 - load_LDT(pc);
25762 + load_LDT_nolock(pc);
25763 #endif
25764 }
25765 if (oldsize) {
25766 @@ -94,7 +94,7 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old)
25767 return err;
25768
25769 for (i = 0; i < old->size; i++)
25770 - write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE);
25771 + write_ldt_entry(new->ldt, i, old->ldt + i);
25772 return 0;
25773 }
25774
25775 @@ -115,6 +115,24 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
25776 retval = copy_ldt(&mm->context, &old_mm->context);
25777 mutex_unlock(&old_mm->context.lock);
25778 }
25779 +
25780 + if (tsk == current) {
25781 + mm->context.vdso = 0;
25782 +
25783 +#ifdef CONFIG_X86_32
25784 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
25785 + mm->context.user_cs_base = 0UL;
25786 + mm->context.user_cs_limit = ~0UL;
25787 +
25788 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP)
25789 + cpus_clear(mm->context.cpu_user_cs_mask);
25790 +#endif
25791 +
25792 +#endif
25793 +#endif
25794 +
25795 + }
25796 +
25797 return retval;
25798 }
25799
25800 @@ -229,6 +247,13 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
25801 }
25802 }
25803
25804 +#ifdef CONFIG_PAX_SEGMEXEC
25805 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) {
25806 + error = -EINVAL;
25807 + goto out_unlock;
25808 + }
25809 +#endif
25810 +
25811 if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) {
25812 error = -EINVAL;
25813 goto out_unlock;
25814 diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
25815 index 72e8e31..f2f1605 100644
25816 --- a/arch/x86/kernel/machine_kexec_32.c
25817 +++ b/arch/x86/kernel/machine_kexec_32.c
25818 @@ -25,7 +25,7 @@
25819 #include <asm/cacheflush.h>
25820 #include <asm/debugreg.h>
25821
25822 -static void set_idt(void *newidt, __u16 limit)
25823 +static void set_idt(struct desc_struct *newidt, __u16 limit)
25824 {
25825 struct desc_ptr curidt;
25826
25827 @@ -37,7 +37,7 @@ static void set_idt(void *newidt, __u16 limit)
25828 }
25829
25830
25831 -static void set_gdt(void *newgdt, __u16 limit)
25832 +static void set_gdt(struct desc_struct *newgdt, __u16 limit)
25833 {
25834 struct desc_ptr curgdt;
25835
25836 @@ -215,7 +215,7 @@ void machine_kexec(struct kimage *image)
25837 }
25838
25839 control_page = page_address(image->control_code_page);
25840 - memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE);
25841 + memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE);
25842
25843 relocate_kernel_ptr = control_page;
25844 page_list[PA_CONTROL_PAGE] = __pa(control_page);
25845 diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S
25846 index c73aecf..4c63630 100644
25847 --- a/arch/x86/kernel/mcount_64.S
25848 +++ b/arch/x86/kernel/mcount_64.S
25849 @@ -7,7 +7,7 @@
25850 #include <linux/linkage.h>
25851 #include <asm/ptrace.h>
25852 #include <asm/ftrace.h>
25853 -
25854 +#include <asm/alternative-asm.h>
25855
25856 .code64
25857 .section .entry.text, "ax"
25858 @@ -24,8 +24,9 @@
25859 #ifdef CONFIG_DYNAMIC_FTRACE
25860
25861 ENTRY(function_hook)
25862 + pax_force_retaddr
25863 retq
25864 -END(function_hook)
25865 +ENDPROC(function_hook)
25866
25867 /* skip is set if stack has been adjusted */
25868 .macro ftrace_caller_setup skip=0
25869 @@ -62,8 +63,9 @@ GLOBAL(ftrace_graph_call)
25870 #endif
25871
25872 GLOBAL(ftrace_stub)
25873 + pax_force_retaddr
25874 retq
25875 -END(ftrace_caller)
25876 +ENDPROC(ftrace_caller)
25877
25878 ENTRY(ftrace_regs_caller)
25879 /* Save the current flags before compare (in SS location)*/
25880 @@ -127,7 +129,7 @@ GLOBAL(ftrace_regs_call)
25881 popfq
25882 jmp ftrace_stub
25883
25884 -END(ftrace_regs_caller)
25885 +ENDPROC(ftrace_regs_caller)
25886
25887
25888 #else /* ! CONFIG_DYNAMIC_FTRACE */
25889 @@ -145,6 +147,7 @@ ENTRY(function_hook)
25890 #endif
25891
25892 GLOBAL(ftrace_stub)
25893 + pax_force_retaddr
25894 retq
25895
25896 trace:
25897 @@ -158,12 +161,13 @@ trace:
25898 #endif
25899 subq $MCOUNT_INSN_SIZE, %rdi
25900
25901 + pax_force_fptr ftrace_trace_function
25902 call *ftrace_trace_function
25903
25904 MCOUNT_RESTORE_FRAME
25905
25906 jmp ftrace_stub
25907 -END(function_hook)
25908 +ENDPROC(function_hook)
25909 #endif /* CONFIG_DYNAMIC_FTRACE */
25910 #endif /* CONFIG_FUNCTION_TRACER */
25911
25912 @@ -185,8 +189,9 @@ ENTRY(ftrace_graph_caller)
25913
25914 MCOUNT_RESTORE_FRAME
25915
25916 + pax_force_retaddr
25917 retq
25918 -END(ftrace_graph_caller)
25919 +ENDPROC(ftrace_graph_caller)
25920
25921 GLOBAL(return_to_handler)
25922 subq $24, %rsp
25923 @@ -202,5 +207,7 @@ GLOBAL(return_to_handler)
25924 movq 8(%rsp), %rdx
25925 movq (%rsp), %rax
25926 addq $24, %rsp
25927 + pax_force_fptr %rdi
25928 jmp *%rdi
25929 +ENDPROC(return_to_handler)
25930 #endif
25931 diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
25932 index e69f988..da078ea 100644
25933 --- a/arch/x86/kernel/module.c
25934 +++ b/arch/x86/kernel/module.c
25935 @@ -81,17 +81,62 @@ static unsigned long int get_module_load_offset(void)
25936 }
25937 #endif
25938
25939 -void *module_alloc(unsigned long size)
25940 +static inline void *__module_alloc(unsigned long size, pgprot_t prot)
25941 {
25942 - if (PAGE_ALIGN(size) > MODULES_LEN)
25943 + if (!size || PAGE_ALIGN(size) > MODULES_LEN)
25944 return NULL;
25945 return __vmalloc_node_range(size, 1,
25946 MODULES_VADDR + get_module_load_offset(),
25947 - MODULES_END, GFP_KERNEL | __GFP_HIGHMEM,
25948 - PAGE_KERNEL_EXEC, NUMA_NO_NODE,
25949 + MODULES_END, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
25950 + prot, NUMA_NO_NODE,
25951 __builtin_return_address(0));
25952 }
25953
25954 +void *module_alloc(unsigned long size)
25955 +{
25956 +
25957 +#ifdef CONFIG_PAX_KERNEXEC
25958 + return __module_alloc(size, PAGE_KERNEL);
25959 +#else
25960 + return __module_alloc(size, PAGE_KERNEL_EXEC);
25961 +#endif
25962 +
25963 +}
25964 +
25965 +#ifdef CONFIG_PAX_KERNEXEC
25966 +#ifdef CONFIG_X86_32
25967 +void *module_alloc_exec(unsigned long size)
25968 +{
25969 + struct vm_struct *area;
25970 +
25971 + if (size == 0)
25972 + return NULL;
25973 +
25974 + area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END);
25975 +return area ? area->addr : NULL;
25976 +}
25977 +EXPORT_SYMBOL(module_alloc_exec);
25978 +
25979 +void module_free_exec(struct module *mod, void *module_region)
25980 +{
25981 + vunmap(module_region);
25982 +}
25983 +EXPORT_SYMBOL(module_free_exec);
25984 +#else
25985 +void module_free_exec(struct module *mod, void *module_region)
25986 +{
25987 + module_free(mod, module_region);
25988 +}
25989 +EXPORT_SYMBOL(module_free_exec);
25990 +
25991 +void *module_alloc_exec(unsigned long size)
25992 +{
25993 + return __module_alloc(size, PAGE_KERNEL_RX);
25994 +}
25995 +EXPORT_SYMBOL(module_alloc_exec);
25996 +#endif
25997 +#endif
25998 +
25999 #ifdef CONFIG_X86_32
26000 int apply_relocate(Elf32_Shdr *sechdrs,
26001 const char *strtab,
26002 @@ -102,14 +147,16 @@ int apply_relocate(Elf32_Shdr *sechdrs,
26003 unsigned int i;
26004 Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
26005 Elf32_Sym *sym;
26006 - uint32_t *location;
26007 + uint32_t *plocation, location;
26008
26009 DEBUGP("Applying relocate section %u to %u\n",
26010 relsec, sechdrs[relsec].sh_info);
26011 for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
26012 /* This is where to make the change */
26013 - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
26014 - + rel[i].r_offset;
26015 + plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset;
26016 + location = (uint32_t)plocation;
26017 + if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR)
26018 + plocation = ktla_ktva((void *)plocation);
26019 /* This is the symbol it is referring to. Note that all
26020 undefined symbols have been resolved. */
26021 sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
26022 @@ -118,11 +165,15 @@ int apply_relocate(Elf32_Shdr *sechdrs,
26023 switch (ELF32_R_TYPE(rel[i].r_info)) {
26024 case R_386_32:
26025 /* We add the value into the location given */
26026 - *location += sym->st_value;
26027 + pax_open_kernel();
26028 + *plocation += sym->st_value;
26029 + pax_close_kernel();
26030 break;
26031 case R_386_PC32:
26032 /* Add the value, subtract its position */
26033 - *location += sym->st_value - (uint32_t)location;
26034 + pax_open_kernel();
26035 + *plocation += sym->st_value - location;
26036 + pax_close_kernel();
26037 break;
26038 default:
26039 pr_err("%s: Unknown relocation: %u\n",
26040 @@ -167,21 +218,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
26041 case R_X86_64_NONE:
26042 break;
26043 case R_X86_64_64:
26044 + pax_open_kernel();
26045 *(u64 *)loc = val;
26046 + pax_close_kernel();
26047 break;
26048 case R_X86_64_32:
26049 + pax_open_kernel();
26050 *(u32 *)loc = val;
26051 + pax_close_kernel();
26052 if (val != *(u32 *)loc)
26053 goto overflow;
26054 break;
26055 case R_X86_64_32S:
26056 + pax_open_kernel();
26057 *(s32 *)loc = val;
26058 + pax_close_kernel();
26059 if ((s64)val != *(s32 *)loc)
26060 goto overflow;
26061 break;
26062 case R_X86_64_PC32:
26063 val -= (u64)loc;
26064 + pax_open_kernel();
26065 *(u32 *)loc = val;
26066 + pax_close_kernel();
26067 +
26068 #if 0
26069 if ((s64)val != *(s32 *)loc)
26070 goto overflow;
26071 diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
26072 index c9603ac..9f88728 100644
26073 --- a/arch/x86/kernel/msr.c
26074 +++ b/arch/x86/kernel/msr.c
26075 @@ -37,6 +37,7 @@
26076 #include <linux/notifier.h>
26077 #include <linux/uaccess.h>
26078 #include <linux/gfp.h>
26079 +#include <linux/grsecurity.h>
26080
26081 #include <asm/processor.h>
26082 #include <asm/msr.h>
26083 @@ -103,6 +104,11 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
26084 int err = 0;
26085 ssize_t bytes = 0;
26086
26087 +#ifdef CONFIG_GRKERNSEC_KMEM
26088 + gr_handle_msr_write();
26089 + return -EPERM;
26090 +#endif
26091 +
26092 if (count % 8)
26093 return -EINVAL; /* Invalid chunk size */
26094
26095 @@ -150,6 +156,10 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg)
26096 err = -EBADF;
26097 break;
26098 }
26099 +#ifdef CONFIG_GRKERNSEC_KMEM
26100 + gr_handle_msr_write();
26101 + return -EPERM;
26102 +#endif
26103 if (copy_from_user(&regs, uregs, sizeof regs)) {
26104 err = -EFAULT;
26105 break;
26106 @@ -233,7 +243,7 @@ static int msr_class_cpu_callback(struct notifier_block *nfb,
26107 return notifier_from_errno(err);
26108 }
26109
26110 -static struct notifier_block __refdata msr_class_cpu_notifier = {
26111 +static struct notifier_block msr_class_cpu_notifier = {
26112 .notifier_call = msr_class_cpu_callback,
26113 };
26114
26115 diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
26116 index c3e985d..110a36a 100644
26117 --- a/arch/x86/kernel/nmi.c
26118 +++ b/arch/x86/kernel/nmi.c
26119 @@ -98,16 +98,16 @@ fs_initcall(nmi_warning_debugfs);
26120
26121 static void nmi_max_handler(struct irq_work *w)
26122 {
26123 - struct nmiaction *a = container_of(w, struct nmiaction, irq_work);
26124 + struct nmiwork *n = container_of(w, struct nmiwork, irq_work);
26125 int remainder_ns, decimal_msecs;
26126 - u64 whole_msecs = ACCESS_ONCE(a->max_duration);
26127 + u64 whole_msecs = ACCESS_ONCE(n->max_duration);
26128
26129 remainder_ns = do_div(whole_msecs, (1000 * 1000));
26130 decimal_msecs = remainder_ns / 1000;
26131
26132 printk_ratelimited(KERN_INFO
26133 "INFO: NMI handler (%ps) took too long to run: %lld.%03d msecs\n",
26134 - a->handler, whole_msecs, decimal_msecs);
26135 + n->action->handler, whole_msecs, decimal_msecs);
26136 }
26137
26138 static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b)
26139 @@ -134,11 +134,11 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b)
26140 delta = sched_clock() - delta;
26141 trace_nmi_handler(a->handler, (int)delta, thishandled);
26142
26143 - if (delta < nmi_longest_ns || delta < a->max_duration)
26144 + if (delta < nmi_longest_ns || delta < a->work->max_duration)
26145 continue;
26146
26147 - a->max_duration = delta;
26148 - irq_work_queue(&a->irq_work);
26149 + a->work->max_duration = delta;
26150 + irq_work_queue(&a->work->irq_work);
26151 }
26152
26153 rcu_read_unlock();
26154 @@ -148,7 +148,7 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b)
26155 }
26156 NOKPROBE_SYMBOL(nmi_handle);
26157
26158 -int __register_nmi_handler(unsigned int type, struct nmiaction *action)
26159 +int __register_nmi_handler(unsigned int type, const struct nmiaction *action)
26160 {
26161 struct nmi_desc *desc = nmi_to_desc(type);
26162 unsigned long flags;
26163 @@ -156,7 +156,8 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action)
26164 if (!action->handler)
26165 return -EINVAL;
26166
26167 - init_irq_work(&action->irq_work, nmi_max_handler);
26168 + action->work->action = action;
26169 + init_irq_work(&action->work->irq_work, nmi_max_handler);
26170
26171 spin_lock_irqsave(&desc->lock, flags);
26172
26173 @@ -174,9 +175,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action)
26174 * event confuses some handlers (kdump uses this flag)
26175 */
26176 if (action->flags & NMI_FLAG_FIRST)
26177 - list_add_rcu(&action->list, &desc->head);
26178 + pax_list_add_rcu((struct list_head *)&action->list, &desc->head);
26179 else
26180 - list_add_tail_rcu(&action->list, &desc->head);
26181 + pax_list_add_tail_rcu((struct list_head *)&action->list, &desc->head);
26182
26183 spin_unlock_irqrestore(&desc->lock, flags);
26184 return 0;
26185 @@ -199,7 +200,7 @@ void unregister_nmi_handler(unsigned int type, const char *name)
26186 if (!strcmp(n->name, name)) {
26187 WARN(in_nmi(),
26188 "Trying to free NMI (%s) from NMI context!\n", n->name);
26189 - list_del_rcu(&n->list);
26190 + pax_list_del_rcu((struct list_head *)&n->list);
26191 break;
26192 }
26193 }
26194 @@ -528,6 +529,17 @@ static inline void nmi_nesting_postprocess(void)
26195 dotraplinkage notrace void
26196 do_nmi(struct pt_regs *regs, long error_code)
26197 {
26198 +
26199 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
26200 + if (!user_mode(regs)) {
26201 + unsigned long cs = regs->cs & 0xFFFF;
26202 + unsigned long ip = ktva_ktla(regs->ip);
26203 +
26204 + if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext)
26205 + regs->ip = ip;
26206 + }
26207 +#endif
26208 +
26209 nmi_nesting_preprocess(regs);
26210
26211 nmi_enter();
26212 diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
26213 index 6d9582e..f746287 100644
26214 --- a/arch/x86/kernel/nmi_selftest.c
26215 +++ b/arch/x86/kernel/nmi_selftest.c
26216 @@ -43,7 +43,7 @@ static void __init init_nmi_testsuite(void)
26217 {
26218 /* trap all the unknown NMIs we may generate */
26219 register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk",
26220 - __initdata);
26221 + __initconst);
26222 }
26223
26224 static void __init cleanup_nmi_testsuite(void)
26225 @@ -66,7 +66,7 @@ static void __init test_nmi_ipi(struct cpumask *mask)
26226 unsigned long timeout;
26227
26228 if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback,
26229 - NMI_FLAG_FIRST, "nmi_selftest", __initdata)) {
26230 + NMI_FLAG_FIRST, "nmi_selftest", __initconst)) {
26231 nmi_fail = FAILURE;
26232 return;
26233 }
26234 diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
26235 index bbb6c73..24a58ef 100644
26236 --- a/arch/x86/kernel/paravirt-spinlocks.c
26237 +++ b/arch/x86/kernel/paravirt-spinlocks.c
26238 @@ -8,7 +8,7 @@
26239
26240 #include <asm/paravirt.h>
26241
26242 -struct pv_lock_ops pv_lock_ops = {
26243 +struct pv_lock_ops pv_lock_ops __read_only = {
26244 #ifdef CONFIG_SMP
26245 .lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop),
26246 .unlock_kick = paravirt_nop,
26247 diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
26248 index 548d25f..f8fb99c 100644
26249 --- a/arch/x86/kernel/paravirt.c
26250 +++ b/arch/x86/kernel/paravirt.c
26251 @@ -56,6 +56,9 @@ u64 _paravirt_ident_64(u64 x)
26252 {
26253 return x;
26254 }
26255 +#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
26256 +PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64);
26257 +#endif
26258
26259 void __init default_banner(void)
26260 {
26261 @@ -142,16 +145,20 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
26262
26263 if (opfunc == NULL)
26264 /* If there's no function, patch it with a ud2a (BUG) */
26265 - ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
26266 - else if (opfunc == _paravirt_nop)
26267 + ret = paravirt_patch_insns(insnbuf, len, ktva_ktla(ud2a), ud2a+sizeof(ud2a));
26268 + else if (opfunc == (void *)_paravirt_nop)
26269 /* If the operation is a nop, then nop the callsite */
26270 ret = paravirt_patch_nop();
26271
26272 /* identity functions just return their single argument */
26273 - else if (opfunc == _paravirt_ident_32)
26274 + else if (opfunc == (void *)_paravirt_ident_32)
26275 ret = paravirt_patch_ident_32(insnbuf, len);
26276 - else if (opfunc == _paravirt_ident_64)
26277 + else if (opfunc == (void *)_paravirt_ident_64)
26278 ret = paravirt_patch_ident_64(insnbuf, len);
26279 +#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
26280 + else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64)
26281 + ret = paravirt_patch_ident_64(insnbuf, len);
26282 +#endif
26283
26284 else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
26285 type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) ||
26286 @@ -176,7 +183,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
26287 if (insn_len > len || start == NULL)
26288 insn_len = len;
26289 else
26290 - memcpy(insnbuf, start, insn_len);
26291 + memcpy(insnbuf, ktla_ktva(start), insn_len);
26292
26293 return insn_len;
26294 }
26295 @@ -300,7 +307,7 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
26296 return this_cpu_read(paravirt_lazy_mode);
26297 }
26298
26299 -struct pv_info pv_info = {
26300 +struct pv_info pv_info __read_only = {
26301 .name = "bare hardware",
26302 .paravirt_enabled = 0,
26303 .kernel_rpl = 0,
26304 @@ -311,16 +318,16 @@ struct pv_info pv_info = {
26305 #endif
26306 };
26307
26308 -struct pv_init_ops pv_init_ops = {
26309 +struct pv_init_ops pv_init_ops __read_only = {
26310 .patch = native_patch,
26311 };
26312
26313 -struct pv_time_ops pv_time_ops = {
26314 +struct pv_time_ops pv_time_ops __read_only = {
26315 .sched_clock = native_sched_clock,
26316 .steal_clock = native_steal_clock,
26317 };
26318
26319 -__visible struct pv_irq_ops pv_irq_ops = {
26320 +__visible struct pv_irq_ops pv_irq_ops __read_only = {
26321 .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
26322 .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
26323 .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
26324 @@ -332,7 +339,7 @@ __visible struct pv_irq_ops pv_irq_ops = {
26325 #endif
26326 };
26327
26328 -__visible struct pv_cpu_ops pv_cpu_ops = {
26329 +__visible struct pv_cpu_ops pv_cpu_ops __read_only = {
26330 .cpuid = native_cpuid,
26331 .get_debugreg = native_get_debugreg,
26332 .set_debugreg = native_set_debugreg,
26333 @@ -395,21 +402,26 @@ NOKPROBE_SYMBOL(native_get_debugreg);
26334 NOKPROBE_SYMBOL(native_set_debugreg);
26335 NOKPROBE_SYMBOL(native_load_idt);
26336
26337 -struct pv_apic_ops pv_apic_ops = {
26338 +struct pv_apic_ops pv_apic_ops __read_only= {
26339 #ifdef CONFIG_X86_LOCAL_APIC
26340 .startup_ipi_hook = paravirt_nop,
26341 #endif
26342 };
26343
26344 -#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
26345 +#ifdef CONFIG_X86_32
26346 +#ifdef CONFIG_X86_PAE
26347 +/* 64-bit pagetable entries */
26348 +#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64)
26349 +#else
26350 /* 32-bit pagetable entries */
26351 #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32)
26352 +#endif
26353 #else
26354 /* 64-bit pagetable entries */
26355 #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64)
26356 #endif
26357
26358 -struct pv_mmu_ops pv_mmu_ops = {
26359 +struct pv_mmu_ops pv_mmu_ops __read_only = {
26360
26361 .read_cr2 = native_read_cr2,
26362 .write_cr2 = native_write_cr2,
26363 @@ -459,6 +471,7 @@ struct pv_mmu_ops pv_mmu_ops = {
26364 .make_pud = PTE_IDENT,
26365
26366 .set_pgd = native_set_pgd,
26367 + .set_pgd_batched = native_set_pgd_batched,
26368 #endif
26369 #endif /* PAGETABLE_LEVELS >= 3 */
26370
26371 @@ -479,6 +492,12 @@ struct pv_mmu_ops pv_mmu_ops = {
26372 },
26373
26374 .set_fixmap = native_set_fixmap,
26375 +
26376 +#ifdef CONFIG_PAX_KERNEXEC
26377 + .pax_open_kernel = native_pax_open_kernel,
26378 + .pax_close_kernel = native_pax_close_kernel,
26379 +#endif
26380 +
26381 };
26382
26383 EXPORT_SYMBOL_GPL(pv_time_ops);
26384 diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
26385 index a1da673..b6f5831 100644
26386 --- a/arch/x86/kernel/paravirt_patch_64.c
26387 +++ b/arch/x86/kernel/paravirt_patch_64.c
26388 @@ -9,7 +9,11 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax");
26389 DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax");
26390 DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax");
26391 DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3");
26392 +
26393 +#ifndef CONFIG_PAX_MEMORY_UDEREF
26394 DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)");
26395 +#endif
26396 +
26397 DEF_NATIVE(pv_cpu_ops, clts, "clts");
26398 DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd");
26399
26400 @@ -57,7 +61,11 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
26401 PATCH_SITE(pv_mmu_ops, read_cr3);
26402 PATCH_SITE(pv_mmu_ops, write_cr3);
26403 PATCH_SITE(pv_cpu_ops, clts);
26404 +
26405 +#ifndef CONFIG_PAX_MEMORY_UDEREF
26406 PATCH_SITE(pv_mmu_ops, flush_tlb_single);
26407 +#endif
26408 +
26409 PATCH_SITE(pv_cpu_ops, wbinvd);
26410
26411 patch_site:
26412 diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
26413 index 0497f71..7186c0d 100644
26414 --- a/arch/x86/kernel/pci-calgary_64.c
26415 +++ b/arch/x86/kernel/pci-calgary_64.c
26416 @@ -1347,7 +1347,7 @@ static void __init get_tce_space_from_tar(void)
26417 tce_space = be64_to_cpu(readq(target));
26418 tce_space = tce_space & TAR_SW_BITS;
26419
26420 - tce_space = tce_space & (~specified_table_size);
26421 + tce_space = tce_space & (~(unsigned long)specified_table_size);
26422 info->tce_space = (u64 *)__va(tce_space);
26423 }
26424 }
26425 diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c
26426 index 35ccf75..7a15747 100644
26427 --- a/arch/x86/kernel/pci-iommu_table.c
26428 +++ b/arch/x86/kernel/pci-iommu_table.c
26429 @@ -2,7 +2,7 @@
26430 #include <asm/iommu_table.h>
26431 #include <linux/string.h>
26432 #include <linux/kallsyms.h>
26433 -
26434 +#include <linux/sched.h>
26435
26436 #define DEBUG 1
26437
26438 diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
26439 index 77dd0ad..9ec4723 100644
26440 --- a/arch/x86/kernel/pci-swiotlb.c
26441 +++ b/arch/x86/kernel/pci-swiotlb.c
26442 @@ -33,7 +33,7 @@ void x86_swiotlb_free_coherent(struct device *dev, size_t size,
26443 struct dma_attrs *attrs)
26444 {
26445 if (is_swiotlb_buffer(dma_to_phys(dev, dma_addr)))
26446 - swiotlb_free_coherent(dev, size, vaddr, dma_addr);
26447 + swiotlb_free_coherent(dev, size, vaddr, dma_addr, attrs);
26448 else
26449 dma_generic_free_coherent(dev, size, vaddr, dma_addr, attrs);
26450 }
26451 diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
26452 index e127dda..94e384d 100644
26453 --- a/arch/x86/kernel/process.c
26454 +++ b/arch/x86/kernel/process.c
26455 @@ -36,7 +36,8 @@
26456 * section. Since TSS's are completely CPU-local, we want them
26457 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
26458 */
26459 -__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
26460 +struct tss_struct init_tss[NR_CPUS] __visible ____cacheline_internodealigned_in_smp = { [0 ... NR_CPUS-1] = INIT_TSS };
26461 +EXPORT_SYMBOL(init_tss);
26462
26463 #ifdef CONFIG_X86_64
26464 static DEFINE_PER_CPU(unsigned char, is_idle);
26465 @@ -94,7 +95,7 @@ void arch_task_cache_init(void)
26466 task_xstate_cachep =
26467 kmem_cache_create("task_xstate", xstate_size,
26468 __alignof__(union thread_xstate),
26469 - SLAB_PANIC | SLAB_NOTRACK, NULL);
26470 + SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL);
26471 setup_xstate_comp();
26472 }
26473
26474 @@ -108,7 +109,7 @@ void exit_thread(void)
26475 unsigned long *bp = t->io_bitmap_ptr;
26476
26477 if (bp) {
26478 - struct tss_struct *tss = &per_cpu(init_tss, get_cpu());
26479 + struct tss_struct *tss = init_tss + get_cpu();
26480
26481 t->io_bitmap_ptr = NULL;
26482 clear_thread_flag(TIF_IO_BITMAP);
26483 @@ -128,6 +129,9 @@ void flush_thread(void)
26484 {
26485 struct task_struct *tsk = current;
26486
26487 +#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF)
26488 + loadsegment(gs, 0);
26489 +#endif
26490 flush_ptrace_hw_breakpoint(tsk);
26491 memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
26492 drop_init_fpu(tsk);
26493 @@ -274,7 +278,7 @@ static void __exit_idle(void)
26494 void exit_idle(void)
26495 {
26496 /* idle loop has pid 0 */
26497 - if (current->pid)
26498 + if (task_pid_nr(current))
26499 return;
26500 __exit_idle();
26501 }
26502 @@ -327,7 +331,7 @@ bool xen_set_default_idle(void)
26503 return ret;
26504 }
26505 #endif
26506 -void stop_this_cpu(void *dummy)
26507 +__noreturn void stop_this_cpu(void *dummy)
26508 {
26509 local_irq_disable();
26510 /*
26511 @@ -456,16 +460,37 @@ static int __init idle_setup(char *str)
26512 }
26513 early_param("idle", idle_setup);
26514
26515 -unsigned long arch_align_stack(unsigned long sp)
26516 +#ifdef CONFIG_PAX_RANDKSTACK
26517 +void pax_randomize_kstack(struct pt_regs *regs)
26518 {
26519 - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
26520 - sp -= get_random_int() % 8192;
26521 - return sp & ~0xf;
26522 -}
26523 + struct thread_struct *thread = &current->thread;
26524 + unsigned long time;
26525
26526 -unsigned long arch_randomize_brk(struct mm_struct *mm)
26527 -{
26528 - unsigned long range_end = mm->brk + 0x02000000;
26529 - return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
26530 -}
26531 + if (!randomize_va_space)
26532 + return;
26533 +
26534 + if (v8086_mode(regs))
26535 + return;
26536
26537 + rdtscl(time);
26538 +
26539 + /* P4 seems to return a 0 LSB, ignore it */
26540 +#ifdef CONFIG_MPENTIUM4
26541 + time &= 0x3EUL;
26542 + time <<= 2;
26543 +#elif defined(CONFIG_X86_64)
26544 + time &= 0xFUL;
26545 + time <<= 4;
26546 +#else
26547 + time &= 0x1FUL;
26548 + time <<= 3;
26549 +#endif
26550 +
26551 + thread->sp0 ^= time;
26552 + load_sp0(init_tss + smp_processor_id(), thread);
26553 +
26554 +#ifdef CONFIG_X86_64
26555 + this_cpu_write(kernel_stack, thread->sp0);
26556 +#endif
26557 +}
26558 +#endif
26559 diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
26560 index 8f3ebfe..cbc731b 100644
26561 --- a/arch/x86/kernel/process_32.c
26562 +++ b/arch/x86/kernel/process_32.c
26563 @@ -64,6 +64,7 @@ asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread");
26564 unsigned long thread_saved_pc(struct task_struct *tsk)
26565 {
26566 return ((unsigned long *)tsk->thread.sp)[3];
26567 +//XXX return tsk->thread.eip;
26568 }
26569
26570 void __show_regs(struct pt_regs *regs, int all)
26571 @@ -73,19 +74,18 @@ void __show_regs(struct pt_regs *regs, int all)
26572 unsigned long sp;
26573 unsigned short ss, gs;
26574
26575 - if (user_mode_vm(regs)) {
26576 + if (user_mode(regs)) {
26577 sp = regs->sp;
26578 ss = regs->ss & 0xffff;
26579 - gs = get_user_gs(regs);
26580 } else {
26581 sp = kernel_stack_pointer(regs);
26582 savesegment(ss, ss);
26583 - savesegment(gs, gs);
26584 }
26585 + gs = get_user_gs(regs);
26586
26587 printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
26588 (u16)regs->cs, regs->ip, regs->flags,
26589 - smp_processor_id());
26590 + raw_smp_processor_id());
26591 print_symbol("EIP is at %s\n", regs->ip);
26592
26593 printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
26594 @@ -132,21 +132,22 @@ void release_thread(struct task_struct *dead_task)
26595 int copy_thread(unsigned long clone_flags, unsigned long sp,
26596 unsigned long arg, struct task_struct *p)
26597 {
26598 - struct pt_regs *childregs = task_pt_regs(p);
26599 + struct pt_regs *childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8;
26600 struct task_struct *tsk;
26601 int err;
26602
26603 p->thread.sp = (unsigned long) childregs;
26604 p->thread.sp0 = (unsigned long) (childregs+1);
26605 + p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long);
26606 memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
26607
26608 if (unlikely(p->flags & PF_KTHREAD)) {
26609 /* kernel thread */
26610 memset(childregs, 0, sizeof(struct pt_regs));
26611 p->thread.ip = (unsigned long) ret_from_kernel_thread;
26612 - task_user_gs(p) = __KERNEL_STACK_CANARY;
26613 - childregs->ds = __USER_DS;
26614 - childregs->es = __USER_DS;
26615 + savesegment(gs, childregs->gs);
26616 + childregs->ds = __KERNEL_DS;
26617 + childregs->es = __KERNEL_DS;
26618 childregs->fs = __KERNEL_PERCPU;
26619 childregs->bx = sp; /* function */
26620 childregs->bp = arg;
26621 @@ -248,7 +249,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26622 struct thread_struct *prev = &prev_p->thread,
26623 *next = &next_p->thread;
26624 int cpu = smp_processor_id();
26625 - struct tss_struct *tss = &per_cpu(init_tss, cpu);
26626 + struct tss_struct *tss = init_tss + cpu;
26627 fpu_switch_t fpu;
26628
26629 /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
26630 @@ -272,6 +273,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26631 */
26632 lazy_save_gs(prev->gs);
26633
26634 +#ifdef CONFIG_PAX_MEMORY_UDEREF
26635 + __set_fs(task_thread_info(next_p)->addr_limit);
26636 +#endif
26637 +
26638 /*
26639 * Load the per-thread Thread-Local Storage descriptor.
26640 */
26641 @@ -310,9 +315,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26642 */
26643 arch_end_context_switch(next_p);
26644
26645 - this_cpu_write(kernel_stack,
26646 - (unsigned long)task_stack_page(next_p) +
26647 - THREAD_SIZE - KERNEL_STACK_OFFSET);
26648 + this_cpu_write(current_task, next_p);
26649 + this_cpu_write(current_tinfo, &next_p->tinfo);
26650 + this_cpu_write(kernel_stack, next->sp0);
26651
26652 /*
26653 * Restore %gs if needed (which is common)
26654 @@ -322,8 +327,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26655
26656 switch_fpu_finish(next_p, fpu);
26657
26658 - this_cpu_write(current_task, next_p);
26659 -
26660 return prev_p;
26661 }
26662
26663 @@ -353,4 +356,3 @@ unsigned long get_wchan(struct task_struct *p)
26664 } while (count++ < 16);
26665 return 0;
26666 }
26667 -
26668 diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
26669 index 5a2c029..ec8611d 100644
26670 --- a/arch/x86/kernel/process_64.c
26671 +++ b/arch/x86/kernel/process_64.c
26672 @@ -158,10 +158,11 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
26673 struct pt_regs *childregs;
26674 struct task_struct *me = current;
26675
26676 - p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE;
26677 + p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE - 16;
26678 childregs = task_pt_regs(p);
26679 p->thread.sp = (unsigned long) childregs;
26680 p->thread.usersp = me->thread.usersp;
26681 + p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long);
26682 set_tsk_thread_flag(p, TIF_FORK);
26683 p->thread.io_bitmap_ptr = NULL;
26684
26685 @@ -171,6 +172,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
26686 p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs;
26687 savesegment(es, p->thread.es);
26688 savesegment(ds, p->thread.ds);
26689 + savesegment(ss, p->thread.ss);
26690 + BUG_ON(p->thread.ss == __UDEREF_KERNEL_DS);
26691 memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
26692
26693 if (unlikely(p->flags & PF_KTHREAD)) {
26694 @@ -277,7 +280,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26695 struct thread_struct *prev = &prev_p->thread;
26696 struct thread_struct *next = &next_p->thread;
26697 int cpu = smp_processor_id();
26698 - struct tss_struct *tss = &per_cpu(init_tss, cpu);
26699 + struct tss_struct *tss = init_tss + cpu;
26700 unsigned fsindex, gsindex;
26701 fpu_switch_t fpu;
26702
26703 @@ -331,6 +334,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26704 if (unlikely(next->ds | prev->ds))
26705 loadsegment(ds, next->ds);
26706
26707 + savesegment(ss, prev->ss);
26708 + if (unlikely(next->ss != prev->ss))
26709 + loadsegment(ss, next->ss);
26710 +
26711 /*
26712 * Switch FS and GS.
26713 *
26714 @@ -404,6 +411,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26715 prev->usersp = this_cpu_read(old_rsp);
26716 this_cpu_write(old_rsp, next->usersp);
26717 this_cpu_write(current_task, next_p);
26718 + this_cpu_write(current_tinfo, &next_p->tinfo);
26719
26720 /*
26721 * If it were not for PREEMPT_ACTIVE we could guarantee that the
26722 @@ -413,9 +421,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
26723 task_thread_info(prev_p)->saved_preempt_count = this_cpu_read(__preempt_count);
26724 this_cpu_write(__preempt_count, task_thread_info(next_p)->saved_preempt_count);
26725
26726 - this_cpu_write(kernel_stack,
26727 - (unsigned long)task_stack_page(next_p) +
26728 - THREAD_SIZE - KERNEL_STACK_OFFSET);
26729 + this_cpu_write(kernel_stack, next->sp0);
26730
26731 /*
26732 * Now maybe reload the debug registers and handle I/O bitmaps
26733 @@ -485,12 +491,11 @@ unsigned long get_wchan(struct task_struct *p)
26734 if (!p || p == current || p->state == TASK_RUNNING)
26735 return 0;
26736 stack = (unsigned long)task_stack_page(p);
26737 - if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
26738 + if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64))
26739 return 0;
26740 fp = *(u64 *)(p->thread.sp);
26741 do {
26742 - if (fp < (unsigned long)stack ||
26743 - fp >= (unsigned long)stack+THREAD_SIZE)
26744 + if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64))
26745 return 0;
26746 ip = *(u64 *)(fp+8);
26747 if (!in_sched_functions(ip))
26748 diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
26749 index e510618..5165ac0 100644
26750 --- a/arch/x86/kernel/ptrace.c
26751 +++ b/arch/x86/kernel/ptrace.c
26752 @@ -186,10 +186,10 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
26753 unsigned long sp = (unsigned long)&regs->sp;
26754 u32 *prev_esp;
26755
26756 - if (context == (sp & ~(THREAD_SIZE - 1)))
26757 + if (context == ((sp + 8) & ~(THREAD_SIZE - 1)))
26758 return sp;
26759
26760 - prev_esp = (u32 *)(context);
26761 + prev_esp = *(u32 **)(context);
26762 if (prev_esp)
26763 return (unsigned long)prev_esp;
26764
26765 @@ -452,6 +452,20 @@ static int putreg(struct task_struct *child,
26766 if (child->thread.gs != value)
26767 return do_arch_prctl(child, ARCH_SET_GS, value);
26768 return 0;
26769 +
26770 + case offsetof(struct user_regs_struct,ip):
26771 + /*
26772 + * Protect against any attempt to set ip to an
26773 + * impossible address. There are dragons lurking if the
26774 + * address is noncanonical. (This explicitly allows
26775 + * setting ip to TASK_SIZE_MAX, because user code can do
26776 + * that all by itself by running off the end of its
26777 + * address space.
26778 + */
26779 + if (value > TASK_SIZE_MAX)
26780 + return -EIO;
26781 + break;
26782 +
26783 #endif
26784 }
26785
26786 @@ -588,7 +602,7 @@ static void ptrace_triggered(struct perf_event *bp,
26787 static unsigned long ptrace_get_dr7(struct perf_event *bp[])
26788 {
26789 int i;
26790 - int dr7 = 0;
26791 + unsigned long dr7 = 0;
26792 struct arch_hw_breakpoint *info;
26793
26794 for (i = 0; i < HBP_NUM; i++) {
26795 @@ -822,7 +836,7 @@ long arch_ptrace(struct task_struct *child, long request,
26796 unsigned long addr, unsigned long data)
26797 {
26798 int ret;
26799 - unsigned long __user *datap = (unsigned long __user *)data;
26800 + unsigned long __user *datap = (__force unsigned long __user *)data;
26801
26802 switch (request) {
26803 /* read the word at location addr in the USER area. */
26804 @@ -907,14 +921,14 @@ long arch_ptrace(struct task_struct *child, long request,
26805 if ((int) addr < 0)
26806 return -EIO;
26807 ret = do_get_thread_area(child, addr,
26808 - (struct user_desc __user *)data);
26809 + (__force struct user_desc __user *) data);
26810 break;
26811
26812 case PTRACE_SET_THREAD_AREA:
26813 if ((int) addr < 0)
26814 return -EIO;
26815 ret = do_set_thread_area(child, addr,
26816 - (struct user_desc __user *)data, 0);
26817 + (__force struct user_desc __user *) data, 0);
26818 break;
26819 #endif
26820
26821 @@ -1292,7 +1306,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
26822
26823 #ifdef CONFIG_X86_64
26824
26825 -static struct user_regset x86_64_regsets[] __read_mostly = {
26826 +static user_regset_no_const x86_64_regsets[] __read_only = {
26827 [REGSET_GENERAL] = {
26828 .core_note_type = NT_PRSTATUS,
26829 .n = sizeof(struct user_regs_struct) / sizeof(long),
26830 @@ -1333,7 +1347,7 @@ static const struct user_regset_view user_x86_64_view = {
26831 #endif /* CONFIG_X86_64 */
26832
26833 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
26834 -static struct user_regset x86_32_regsets[] __read_mostly = {
26835 +static user_regset_no_const x86_32_regsets[] __read_only = {
26836 [REGSET_GENERAL] = {
26837 .core_note_type = NT_PRSTATUS,
26838 .n = sizeof(struct user_regs_struct32) / sizeof(u32),
26839 @@ -1386,7 +1400,7 @@ static const struct user_regset_view user_x86_32_view = {
26840 */
26841 u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];
26842
26843 -void update_regset_xstate_info(unsigned int size, u64 xstate_mask)
26844 +void __init update_regset_xstate_info(unsigned int size, u64 xstate_mask)
26845 {
26846 #ifdef CONFIG_X86_64
26847 x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64);
26848 @@ -1421,7 +1435,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
26849 memset(info, 0, sizeof(*info));
26850 info->si_signo = SIGTRAP;
26851 info->si_code = si_code;
26852 - info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL;
26853 + info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL;
26854 }
26855
26856 void user_single_step_siginfo(struct task_struct *tsk,
26857 @@ -1455,6 +1469,10 @@ static void do_audit_syscall_entry(struct pt_regs *regs, u32 arch)
26858 }
26859 }
26860
26861 +#ifdef CONFIG_GRKERNSEC_SETXID
26862 +extern void gr_delayed_cred_worker(void);
26863 +#endif
26864 +
26865 /*
26866 * We can return 0 to resume the syscall or anything else to go to phase
26867 * 2. If we resume the syscall, we need to put something appropriate in
26868 @@ -1562,6 +1580,11 @@ long syscall_trace_enter_phase2(struct pt_regs *regs, u32 arch,
26869
26870 BUG_ON(regs != task_pt_regs(current));
26871
26872 +#ifdef CONFIG_GRKERNSEC_SETXID
26873 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
26874 + gr_delayed_cred_worker();
26875 +#endif
26876 +
26877 /*
26878 * If we stepped into a sysenter/syscall insn, it trapped in
26879 * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
26880 @@ -1620,6 +1643,11 @@ void syscall_trace_leave(struct pt_regs *regs)
26881 */
26882 user_exit();
26883
26884 +#ifdef CONFIG_GRKERNSEC_SETXID
26885 + if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID)))
26886 + gr_delayed_cred_worker();
26887 +#endif
26888 +
26889 audit_syscall_exit(regs);
26890
26891 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
26892 diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
26893 index 2f355d2..e75ed0a 100644
26894 --- a/arch/x86/kernel/pvclock.c
26895 +++ b/arch/x86/kernel/pvclock.c
26896 @@ -51,11 +51,11 @@ void pvclock_touch_watchdogs(void)
26897 reset_hung_task_detector();
26898 }
26899
26900 -static atomic64_t last_value = ATOMIC64_INIT(0);
26901 +static atomic64_unchecked_t last_value = ATOMIC64_INIT(0);
26902
26903 void pvclock_resume(void)
26904 {
26905 - atomic64_set(&last_value, 0);
26906 + atomic64_set_unchecked(&last_value, 0);
26907 }
26908
26909 u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src)
26910 @@ -105,11 +105,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
26911 * updating at the same time, and one of them could be slightly behind,
26912 * making the assumption that last_value always go forward fail to hold.
26913 */
26914 - last = atomic64_read(&last_value);
26915 + last = atomic64_read_unchecked(&last_value);
26916 do {
26917 if (ret < last)
26918 return last;
26919 - last = atomic64_cmpxchg(&last_value, last, ret);
26920 + last = atomic64_cmpxchg_unchecked(&last_value, last, ret);
26921 } while (unlikely(last != ret));
26922
26923 return ret;
26924 diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
26925 index 17962e6..47f55db 100644
26926 --- a/arch/x86/kernel/reboot.c
26927 +++ b/arch/x86/kernel/reboot.c
26928 @@ -69,6 +69,11 @@ static int __init set_bios_reboot(const struct dmi_system_id *d)
26929
26930 void __noreturn machine_real_restart(unsigned int type)
26931 {
26932 +
26933 +#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF))
26934 + struct desc_struct *gdt;
26935 +#endif
26936 +
26937 local_irq_disable();
26938
26939 /*
26940 @@ -96,7 +101,29 @@ void __noreturn machine_real_restart(unsigned int type)
26941
26942 /* Jump to the identity-mapped low memory code */
26943 #ifdef CONFIG_X86_32
26944 - asm volatile("jmpl *%0" : :
26945 +
26946 +#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)
26947 + gdt = get_cpu_gdt_table(smp_processor_id());
26948 + pax_open_kernel();
26949 +#ifdef CONFIG_PAX_MEMORY_UDEREF
26950 + gdt[GDT_ENTRY_KERNEL_DS].type = 3;
26951 + gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
26952 + loadsegment(ds, __KERNEL_DS);
26953 + loadsegment(es, __KERNEL_DS);
26954 + loadsegment(ss, __KERNEL_DS);
26955 +#endif
26956 +#ifdef CONFIG_PAX_KERNEXEC
26957 + gdt[GDT_ENTRY_KERNEL_CS].base0 = 0;
26958 + gdt[GDT_ENTRY_KERNEL_CS].base1 = 0;
26959 + gdt[GDT_ENTRY_KERNEL_CS].base2 = 0;
26960 + gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff;
26961 + gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf;
26962 + gdt[GDT_ENTRY_KERNEL_CS].g = 1;
26963 +#endif
26964 + pax_close_kernel();
26965 +#endif
26966 +
26967 + asm volatile("ljmpl *%0" : :
26968 "rm" (real_mode_header->machine_real_restart_asm),
26969 "a" (type));
26970 #else
26971 @@ -500,7 +527,7 @@ void __attribute__((weak)) mach_reboot_fixups(void)
26972 * This means that this function can never return, it can misbehave
26973 * by not rebooting properly and hanging.
26974 */
26975 -static void native_machine_emergency_restart(void)
26976 +static void __noreturn native_machine_emergency_restart(void)
26977 {
26978 int i;
26979 int attempt = 0;
26980 @@ -620,13 +647,13 @@ void native_machine_shutdown(void)
26981 #endif
26982 }
26983
26984 -static void __machine_emergency_restart(int emergency)
26985 +static void __noreturn __machine_emergency_restart(int emergency)
26986 {
26987 reboot_emergency = emergency;
26988 machine_ops.emergency_restart();
26989 }
26990
26991 -static void native_machine_restart(char *__unused)
26992 +static void __noreturn native_machine_restart(char *__unused)
26993 {
26994 pr_notice("machine restart\n");
26995
26996 @@ -635,7 +662,7 @@ static void native_machine_restart(char *__unused)
26997 __machine_emergency_restart(0);
26998 }
26999
27000 -static void native_machine_halt(void)
27001 +static void __noreturn native_machine_halt(void)
27002 {
27003 /* Stop other cpus and apics */
27004 machine_shutdown();
27005 @@ -645,7 +672,7 @@ static void native_machine_halt(void)
27006 stop_this_cpu(NULL);
27007 }
27008
27009 -static void native_machine_power_off(void)
27010 +static void __noreturn native_machine_power_off(void)
27011 {
27012 if (pm_power_off) {
27013 if (!reboot_force)
27014 @@ -654,9 +681,10 @@ static void native_machine_power_off(void)
27015 }
27016 /* A fallback in case there is no PM info available */
27017 tboot_shutdown(TB_SHUTDOWN_HALT);
27018 + unreachable();
27019 }
27020
27021 -struct machine_ops machine_ops = {
27022 +struct machine_ops machine_ops __read_only = {
27023 .power_off = native_machine_power_off,
27024 .shutdown = native_machine_shutdown,
27025 .emergency_restart = native_machine_emergency_restart,
27026 diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
27027 index c8e41e9..64049ef 100644
27028 --- a/arch/x86/kernel/reboot_fixups_32.c
27029 +++ b/arch/x86/kernel/reboot_fixups_32.c
27030 @@ -57,7 +57,7 @@ struct device_fixup {
27031 unsigned int vendor;
27032 unsigned int device;
27033 void (*reboot_fixup)(struct pci_dev *);
27034 -};
27035 +} __do_const;
27036
27037 /*
27038 * PCI ids solely used for fixups_table go here
27039 diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
27040 index 3fd2c69..a444264 100644
27041 --- a/arch/x86/kernel/relocate_kernel_64.S
27042 +++ b/arch/x86/kernel/relocate_kernel_64.S
27043 @@ -96,8 +96,7 @@ relocate_kernel:
27044
27045 /* jump to identity mapped page */
27046 addq $(identity_mapped - relocate_kernel), %r8
27047 - pushq %r8
27048 - ret
27049 + jmp *%r8
27050
27051 identity_mapped:
27052 /* set return address to 0 if not preserving context */
27053 diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
27054 index ab08aa2..6d74a3a 100644
27055 --- a/arch/x86/kernel/setup.c
27056 +++ b/arch/x86/kernel/setup.c
27057 @@ -110,6 +110,7 @@
27058 #include <asm/mce.h>
27059 #include <asm/alternative.h>
27060 #include <asm/prom.h>
27061 +#include <asm/boot.h>
27062
27063 /*
27064 * max_low_pfn_mapped: highest direct mapped pfn under 4GB
27065 @@ -205,12 +206,50 @@ EXPORT_SYMBOL(boot_cpu_data);
27066 #endif
27067
27068
27069 -#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64)
27070 -__visible unsigned long mmu_cr4_features;
27071 +#ifdef CONFIG_X86_64
27072 +__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE;
27073 +#elif defined(CONFIG_X86_PAE)
27074 +__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PAE;
27075 #else
27076 -__visible unsigned long mmu_cr4_features = X86_CR4_PAE;
27077 +__visible unsigned long mmu_cr4_features __read_only;
27078 #endif
27079
27080 +void set_in_cr4(unsigned long mask)
27081 +{
27082 + unsigned long cr4 = read_cr4();
27083 +
27084 + if ((cr4 & mask) == mask && cr4 == mmu_cr4_features)
27085 + return;
27086 +
27087 + pax_open_kernel();
27088 + mmu_cr4_features |= mask;
27089 + pax_close_kernel();
27090 +
27091 + if (trampoline_cr4_features)
27092 + *trampoline_cr4_features = mmu_cr4_features;
27093 + cr4 |= mask;
27094 + write_cr4(cr4);
27095 +}
27096 +EXPORT_SYMBOL(set_in_cr4);
27097 +
27098 +void clear_in_cr4(unsigned long mask)
27099 +{
27100 + unsigned long cr4 = read_cr4();
27101 +
27102 + if (!(cr4 & mask) && cr4 == mmu_cr4_features)
27103 + return;
27104 +
27105 + pax_open_kernel();
27106 + mmu_cr4_features &= ~mask;
27107 + pax_close_kernel();
27108 +
27109 + if (trampoline_cr4_features)
27110 + *trampoline_cr4_features = mmu_cr4_features;
27111 + cr4 &= ~mask;
27112 + write_cr4(cr4);
27113 +}
27114 +EXPORT_SYMBOL(clear_in_cr4);
27115 +
27116 /* Boot loader ID and version as integers, for the benefit of proc_dointvec */
27117 int bootloader_type, bootloader_version;
27118
27119 @@ -772,7 +811,7 @@ static void __init trim_bios_range(void)
27120 * area (640->1Mb) as ram even though it is not.
27121 * take them out.
27122 */
27123 - e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
27124 + e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1);
27125
27126 sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
27127 }
27128 @@ -780,7 +819,7 @@ static void __init trim_bios_range(void)
27129 /* called before trim_bios_range() to spare extra sanitize */
27130 static void __init e820_add_kernel_range(void)
27131 {
27132 - u64 start = __pa_symbol(_text);
27133 + u64 start = __pa_symbol(ktla_ktva(_text));
27134 u64 size = __pa_symbol(_end) - start;
27135
27136 /*
27137 @@ -856,8 +895,12 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p)
27138
27139 void __init setup_arch(char **cmdline_p)
27140 {
27141 +#ifdef CONFIG_X86_32
27142 + memblock_reserve(LOAD_PHYSICAL_ADDR, __pa_symbol(__bss_stop) - LOAD_PHYSICAL_ADDR);
27143 +#else
27144 memblock_reserve(__pa_symbol(_text),
27145 (unsigned long)__bss_stop - (unsigned long)_text);
27146 +#endif
27147
27148 early_reserve_initrd();
27149
27150 @@ -955,14 +998,14 @@ void __init setup_arch(char **cmdline_p)
27151
27152 if (!boot_params.hdr.root_flags)
27153 root_mountflags &= ~MS_RDONLY;
27154 - init_mm.start_code = (unsigned long) _text;
27155 - init_mm.end_code = (unsigned long) _etext;
27156 + init_mm.start_code = ktla_ktva((unsigned long) _text);
27157 + init_mm.end_code = ktla_ktva((unsigned long) _etext);
27158 init_mm.end_data = (unsigned long) _edata;
27159 init_mm.brk = _brk_end;
27160
27161 - code_resource.start = __pa_symbol(_text);
27162 - code_resource.end = __pa_symbol(_etext)-1;
27163 - data_resource.start = __pa_symbol(_etext);
27164 + code_resource.start = __pa_symbol(ktla_ktva(_text));
27165 + code_resource.end = __pa_symbol(ktla_ktva(_etext))-1;
27166 + data_resource.start = __pa_symbol(_sdata);
27167 data_resource.end = __pa_symbol(_edata)-1;
27168 bss_resource.start = __pa_symbol(__bss_start);
27169 bss_resource.end = __pa_symbol(__bss_stop)-1;
27170 diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
27171 index 5cdff03..80fa283 100644
27172 --- a/arch/x86/kernel/setup_percpu.c
27173 +++ b/arch/x86/kernel/setup_percpu.c
27174 @@ -21,19 +21,17 @@
27175 #include <asm/cpu.h>
27176 #include <asm/stackprotector.h>
27177
27178 -DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number);
27179 +#ifdef CONFIG_SMP
27180 +DEFINE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number);
27181 EXPORT_PER_CPU_SYMBOL(cpu_number);
27182 +#endif
27183
27184 -#ifdef CONFIG_X86_64
27185 #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load)
27186 -#else
27187 -#define BOOT_PERCPU_OFFSET 0
27188 -#endif
27189
27190 DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET;
27191 EXPORT_PER_CPU_SYMBOL(this_cpu_off);
27192
27193 -unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = {
27194 +unsigned long __per_cpu_offset[NR_CPUS] __read_only = {
27195 [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET,
27196 };
27197 EXPORT_SYMBOL(__per_cpu_offset);
27198 @@ -66,7 +64,7 @@ static bool __init pcpu_need_numa(void)
27199 {
27200 #ifdef CONFIG_NEED_MULTIPLE_NODES
27201 pg_data_t *last = NULL;
27202 - unsigned int cpu;
27203 + int cpu;
27204
27205 for_each_possible_cpu(cpu) {
27206 int node = early_cpu_to_node(cpu);
27207 @@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu)
27208 {
27209 #ifdef CONFIG_X86_32
27210 struct desc_struct gdt;
27211 + unsigned long base = per_cpu_offset(cpu);
27212
27213 - pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF,
27214 - 0x2 | DESCTYPE_S, 0x8);
27215 - gdt.s = 1;
27216 + pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT,
27217 + 0x83 | DESCTYPE_S, 0xC);
27218 write_gdt_entry(get_cpu_gdt_table(cpu),
27219 GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
27220 #endif
27221 @@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void)
27222 /* alrighty, percpu areas up and running */
27223 delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start;
27224 for_each_possible_cpu(cpu) {
27225 +#ifdef CONFIG_CC_STACKPROTECTOR
27226 +#ifdef CONFIG_X86_32
27227 + unsigned long canary = per_cpu(stack_canary.canary, cpu);
27228 +#endif
27229 +#endif
27230 per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu];
27231 per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu);
27232 per_cpu(cpu_number, cpu) = cpu;
27233 @@ -259,6 +262,12 @@ void __init setup_per_cpu_areas(void)
27234 */
27235 set_cpu_numa_node(cpu, early_cpu_to_node(cpu));
27236 #endif
27237 +#ifdef CONFIG_CC_STACKPROTECTOR
27238 +#ifdef CONFIG_X86_32
27239 + if (!cpu)
27240 + per_cpu(stack_canary.canary, cpu) = canary;
27241 +#endif
27242 +#endif
27243 /*
27244 * Up to this point, the boot CPU has been using .init.data
27245 * area. Reload any changed state for the boot CPU.
27246 diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
27247 index ed37a76..39f936e 100644
27248 --- a/arch/x86/kernel/signal.c
27249 +++ b/arch/x86/kernel/signal.c
27250 @@ -190,7 +190,7 @@ static unsigned long align_sigframe(unsigned long sp)
27251 * Align the stack pointer according to the i386 ABI,
27252 * i.e. so that on function entry ((sp + 4) & 15) == 0.
27253 */
27254 - sp = ((sp + 4) & -16ul) - 4;
27255 + sp = ((sp - 12) & -16ul) - 4;
27256 #else /* !CONFIG_X86_32 */
27257 sp = round_down(sp, 16) - 8;
27258 #endif
27259 @@ -298,10 +298,9 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set,
27260 }
27261
27262 if (current->mm->context.vdso)
27263 - restorer = current->mm->context.vdso +
27264 - selected_vdso32->sym___kernel_sigreturn;
27265 + restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_sigreturn);
27266 else
27267 - restorer = &frame->retcode;
27268 + restorer = (void __user *)&frame->retcode;
27269 if (ksig->ka.sa.sa_flags & SA_RESTORER)
27270 restorer = ksig->ka.sa.sa_restorer;
27271
27272 @@ -315,7 +314,7 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set,
27273 * reasons and because gdb uses it as a signature to notice
27274 * signal handler stack frames.
27275 */
27276 - err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode);
27277 + err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode);
27278
27279 if (err)
27280 return -EFAULT;
27281 @@ -362,8 +361,10 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
27282 save_altstack_ex(&frame->uc.uc_stack, regs->sp);
27283
27284 /* Set up to return from userspace. */
27285 - restorer = current->mm->context.vdso +
27286 - selected_vdso32->sym___kernel_rt_sigreturn;
27287 + if (current->mm->context.vdso)
27288 + restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_rt_sigreturn);
27289 + else
27290 + restorer = (void __user *)&frame->retcode;
27291 if (ksig->ka.sa.sa_flags & SA_RESTORER)
27292 restorer = ksig->ka.sa.sa_restorer;
27293 put_user_ex(restorer, &frame->pretcode);
27294 @@ -375,7 +376,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
27295 * reasons and because gdb uses it as a signature to notice
27296 * signal handler stack frames.
27297 */
27298 - put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode);
27299 + put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode);
27300 } put_user_catch(err);
27301
27302 err |= copy_siginfo_to_user(&frame->info, &ksig->info);
27303 @@ -611,7 +612,12 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
27304 {
27305 int usig = signr_convert(ksig->sig);
27306 sigset_t *set = sigmask_to_save();
27307 - compat_sigset_t *cset = (compat_sigset_t *) set;
27308 + sigset_t sigcopy;
27309 + compat_sigset_t *cset;
27310 +
27311 + sigcopy = *set;
27312 +
27313 + cset = (compat_sigset_t *) &sigcopy;
27314
27315 /* Set up the stack frame */
27316 if (is_ia32_frame()) {
27317 @@ -622,7 +628,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
27318 } else if (is_x32_frame()) {
27319 return x32_setup_rt_frame(ksig, cset, regs);
27320 } else {
27321 - return __setup_rt_frame(ksig->sig, ksig, set, regs);
27322 + return __setup_rt_frame(ksig->sig, ksig, &sigcopy, regs);
27323 }
27324 }
27325
27326 diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
27327 index be8e1bd..a3d93fa 100644
27328 --- a/arch/x86/kernel/smp.c
27329 +++ b/arch/x86/kernel/smp.c
27330 @@ -341,7 +341,7 @@ static int __init nonmi_ipi_setup(char *str)
27331
27332 __setup("nonmi_ipi", nonmi_ipi_setup);
27333
27334 -struct smp_ops smp_ops = {
27335 +struct smp_ops smp_ops __read_only = {
27336 .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu,
27337 .smp_prepare_cpus = native_smp_prepare_cpus,
27338 .smp_cpus_done = native_smp_cpus_done,
27339 diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
27340 index 668d8f2..84a9d54 100644
27341 --- a/arch/x86/kernel/smpboot.c
27342 +++ b/arch/x86/kernel/smpboot.c
27343 @@ -194,14 +194,17 @@ static void notrace start_secondary(void *unused)
27344
27345 enable_start_cpu0 = 0;
27346
27347 -#ifdef CONFIG_X86_32
27348 + /* otherwise gcc will move up smp_processor_id before the cpu_init */
27349 + barrier();
27350 +
27351 /* switch away from the initial page table */
27352 +#ifdef CONFIG_PAX_PER_CPU_PGD
27353 + load_cr3(get_cpu_pgd(smp_processor_id(), kernel));
27354 +#else
27355 load_cr3(swapper_pg_dir);
27356 +#endif
27357 __flush_tlb_all();
27358 -#endif
27359
27360 - /* otherwise gcc will move up smp_processor_id before the cpu_init */
27361 - barrier();
27362 /*
27363 * Check TSC synchronization with the BP:
27364 */
27365 @@ -765,8 +768,9 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
27366 alternatives_enable_smp();
27367
27368 idle->thread.sp = (unsigned long) (((struct pt_regs *)
27369 - (THREAD_SIZE + task_stack_page(idle))) - 1);
27370 + (THREAD_SIZE - 16 + task_stack_page(idle))) - 1);
27371 per_cpu(current_task, cpu) = idle;
27372 + per_cpu(current_tinfo, cpu) = &idle->tinfo;
27373
27374 #ifdef CONFIG_X86_32
27375 /* Stack for startup_32 can be just as for start_secondary onwards */
27376 @@ -775,10 +779,10 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
27377 clear_tsk_thread_flag(idle, TIF_FORK);
27378 initial_gs = per_cpu_offset(cpu);
27379 #endif
27380 - per_cpu(kernel_stack, cpu) =
27381 - (unsigned long)task_stack_page(idle) -
27382 - KERNEL_STACK_OFFSET + THREAD_SIZE;
27383 + per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
27384 + pax_open_kernel();
27385 early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
27386 + pax_close_kernel();
27387 initial_code = (unsigned long)start_secondary;
27388 stack_start = idle->thread.sp;
27389
27390 @@ -918,6 +922,15 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle)
27391 /* the FPU context is blank, nobody can own it */
27392 __cpu_disable_lazy_restore(cpu);
27393
27394 +#ifdef CONFIG_PAX_PER_CPU_PGD
27395 + clone_pgd_range(get_cpu_pgd(cpu, kernel) + KERNEL_PGD_BOUNDARY,
27396 + swapper_pg_dir + KERNEL_PGD_BOUNDARY,
27397 + KERNEL_PGD_PTRS);
27398 + clone_pgd_range(get_cpu_pgd(cpu, user) + KERNEL_PGD_BOUNDARY,
27399 + swapper_pg_dir + KERNEL_PGD_BOUNDARY,
27400 + KERNEL_PGD_PTRS);
27401 +#endif
27402 +
27403 err = do_boot_cpu(apicid, cpu, tidle);
27404 if (err) {
27405 pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu);
27406 diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
27407 index 9b4d51d..5d28b58 100644
27408 --- a/arch/x86/kernel/step.c
27409 +++ b/arch/x86/kernel/step.c
27410 @@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
27411 struct desc_struct *desc;
27412 unsigned long base;
27413
27414 - seg &= ~7UL;
27415 + seg >>= 3;
27416
27417 mutex_lock(&child->mm->context.lock);
27418 - if (unlikely((seg >> 3) >= child->mm->context.size))
27419 + if (unlikely(seg >= child->mm->context.size))
27420 addr = -1L; /* bogus selector, access would fault */
27421 else {
27422 desc = child->mm->context.ldt + seg;
27423 @@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re
27424 addr += base;
27425 }
27426 mutex_unlock(&child->mm->context.lock);
27427 - }
27428 + } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS)
27429 + addr = ktla_ktva(addr);
27430
27431 return addr;
27432 }
27433 @@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
27434 unsigned char opcode[15];
27435 unsigned long addr = convert_ip_to_linear(child, regs);
27436
27437 + if (addr == -EINVAL)
27438 + return 0;
27439 +
27440 copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0);
27441 for (i = 0; i < copied; i++) {
27442 switch (opcode[i]) {
27443 diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
27444 new file mode 100644
27445 index 0000000..5877189
27446 --- /dev/null
27447 +++ b/arch/x86/kernel/sys_i386_32.c
27448 @@ -0,0 +1,189 @@
27449 +/*
27450 + * This file contains various random system calls that
27451 + * have a non-standard calling sequence on the Linux/i386
27452 + * platform.
27453 + */
27454 +
27455 +#include <linux/errno.h>
27456 +#include <linux/sched.h>
27457 +#include <linux/mm.h>
27458 +#include <linux/fs.h>
27459 +#include <linux/smp.h>
27460 +#include <linux/sem.h>
27461 +#include <linux/msg.h>
27462 +#include <linux/shm.h>
27463 +#include <linux/stat.h>
27464 +#include <linux/syscalls.h>
27465 +#include <linux/mman.h>
27466 +#include <linux/file.h>
27467 +#include <linux/utsname.h>
27468 +#include <linux/ipc.h>
27469 +#include <linux/elf.h>
27470 +
27471 +#include <linux/uaccess.h>
27472 +#include <linux/unistd.h>
27473 +
27474 +#include <asm/syscalls.h>
27475 +
27476 +int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
27477 +{
27478 + unsigned long pax_task_size = TASK_SIZE;
27479 +
27480 +#ifdef CONFIG_PAX_SEGMEXEC
27481 + if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
27482 + pax_task_size = SEGMEXEC_TASK_SIZE;
27483 +#endif
27484 +
27485 + if (flags & MAP_FIXED)
27486 + if (len > pax_task_size || addr > pax_task_size - len)
27487 + return -EINVAL;
27488 +
27489 + return 0;
27490 +}
27491 +
27492 +/*
27493 + * Align a virtual address to avoid aliasing in the I$ on AMD F15h.
27494 + */
27495 +static unsigned long get_align_mask(void)
27496 +{
27497 + if (va_align.flags < 0 || !(va_align.flags & ALIGN_VA_32))
27498 + return 0;
27499 +
27500 + if (!(current->flags & PF_RANDOMIZE))
27501 + return 0;
27502 +
27503 + return va_align.mask;
27504 +}
27505 +
27506 +unsigned long
27507 +arch_get_unmapped_area(struct file *filp, unsigned long addr,
27508 + unsigned long len, unsigned long pgoff, unsigned long flags)
27509 +{
27510 + struct mm_struct *mm = current->mm;
27511 + struct vm_area_struct *vma;
27512 + unsigned long pax_task_size = TASK_SIZE;
27513 + struct vm_unmapped_area_info info;
27514 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
27515 +
27516 +#ifdef CONFIG_PAX_SEGMEXEC
27517 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
27518 + pax_task_size = SEGMEXEC_TASK_SIZE;
27519 +#endif
27520 +
27521 + pax_task_size -= PAGE_SIZE;
27522 +
27523 + if (len > pax_task_size)
27524 + return -ENOMEM;
27525 +
27526 + if (flags & MAP_FIXED)
27527 + return addr;
27528 +
27529 +#ifdef CONFIG_PAX_RANDMMAP
27530 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
27531 +#endif
27532 +
27533 + if (addr) {
27534 + addr = PAGE_ALIGN(addr);
27535 + if (pax_task_size - len >= addr) {
27536 + vma = find_vma(mm, addr);
27537 + if (check_heap_stack_gap(vma, addr, len, offset))
27538 + return addr;
27539 + }
27540 + }
27541 +
27542 + info.flags = 0;
27543 + info.length = len;
27544 + info.align_mask = filp ? get_align_mask() : 0;
27545 + info.align_offset = pgoff << PAGE_SHIFT;
27546 + info.threadstack_offset = offset;
27547 +
27548 +#ifdef CONFIG_PAX_PAGEEXEC
27549 + if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) {
27550 + info.low_limit = 0x00110000UL;
27551 + info.high_limit = mm->start_code;
27552 +
27553 +#ifdef CONFIG_PAX_RANDMMAP
27554 + if (mm->pax_flags & MF_PAX_RANDMMAP)
27555 + info.low_limit += mm->delta_mmap & 0x03FFF000UL;
27556 +#endif
27557 +
27558 + if (info.low_limit < info.high_limit) {
27559 + addr = vm_unmapped_area(&info);
27560 + if (!IS_ERR_VALUE(addr))
27561 + return addr;
27562 + }
27563 + } else
27564 +#endif
27565 +
27566 + info.low_limit = mm->mmap_base;
27567 + info.high_limit = pax_task_size;
27568 +
27569 + return vm_unmapped_area(&info);
27570 +}
27571 +
27572 +unsigned long
27573 +arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
27574 + const unsigned long len, const unsigned long pgoff,
27575 + const unsigned long flags)
27576 +{
27577 + struct vm_area_struct *vma;
27578 + struct mm_struct *mm = current->mm;
27579 + unsigned long addr = addr0, pax_task_size = TASK_SIZE;
27580 + struct vm_unmapped_area_info info;
27581 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
27582 +
27583 +#ifdef CONFIG_PAX_SEGMEXEC
27584 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
27585 + pax_task_size = SEGMEXEC_TASK_SIZE;
27586 +#endif
27587 +
27588 + pax_task_size -= PAGE_SIZE;
27589 +
27590 + /* requested length too big for entire address space */
27591 + if (len > pax_task_size)
27592 + return -ENOMEM;
27593 +
27594 + if (flags & MAP_FIXED)
27595 + return addr;
27596 +
27597 +#ifdef CONFIG_PAX_PAGEEXEC
27598 + if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE))
27599 + goto bottomup;
27600 +#endif
27601 +
27602 +#ifdef CONFIG_PAX_RANDMMAP
27603 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
27604 +#endif
27605 +
27606 + /* requesting a specific address */
27607 + if (addr) {
27608 + addr = PAGE_ALIGN(addr);
27609 + if (pax_task_size - len >= addr) {
27610 + vma = find_vma(mm, addr);
27611 + if (check_heap_stack_gap(vma, addr, len, offset))
27612 + return addr;
27613 + }
27614 + }
27615 +
27616 + info.flags = VM_UNMAPPED_AREA_TOPDOWN;
27617 + info.length = len;
27618 + info.low_limit = PAGE_SIZE;
27619 + info.high_limit = mm->mmap_base;
27620 + info.align_mask = filp ? get_align_mask() : 0;
27621 + info.align_offset = pgoff << PAGE_SHIFT;
27622 + info.threadstack_offset = offset;
27623 +
27624 + addr = vm_unmapped_area(&info);
27625 + if (!(addr & ~PAGE_MASK))
27626 + return addr;
27627 + VM_BUG_ON(addr != -ENOMEM);
27628 +
27629 +bottomup:
27630 + /*
27631 + * A failed mmap() very likely causes application failure,
27632 + * so fall back to the bottom-up function here. This scenario
27633 + * can happen with large stack limits and large mmap()
27634 + * allocations.
27635 + */
27636 + return arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
27637 +}
27638 diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
27639 index 30277e2..5664a29 100644
27640 --- a/arch/x86/kernel/sys_x86_64.c
27641 +++ b/arch/x86/kernel/sys_x86_64.c
27642 @@ -81,8 +81,8 @@ out:
27643 return error;
27644 }
27645
27646 -static void find_start_end(unsigned long flags, unsigned long *begin,
27647 - unsigned long *end)
27648 +static void find_start_end(struct mm_struct *mm, unsigned long flags,
27649 + unsigned long *begin, unsigned long *end)
27650 {
27651 if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) {
27652 unsigned long new_begin;
27653 @@ -101,7 +101,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
27654 *begin = new_begin;
27655 }
27656 } else {
27657 - *begin = current->mm->mmap_legacy_base;
27658 + *begin = mm->mmap_legacy_base;
27659 *end = TASK_SIZE;
27660 }
27661 }
27662 @@ -114,20 +114,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
27663 struct vm_area_struct *vma;
27664 struct vm_unmapped_area_info info;
27665 unsigned long begin, end;
27666 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
27667
27668 if (flags & MAP_FIXED)
27669 return addr;
27670
27671 - find_start_end(flags, &begin, &end);
27672 + find_start_end(mm, flags, &begin, &end);
27673
27674 if (len > end)
27675 return -ENOMEM;
27676
27677 +#ifdef CONFIG_PAX_RANDMMAP
27678 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
27679 +#endif
27680 +
27681 if (addr) {
27682 addr = PAGE_ALIGN(addr);
27683 vma = find_vma(mm, addr);
27684 - if (end - len >= addr &&
27685 - (!vma || addr + len <= vma->vm_start))
27686 + if (end - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
27687 return addr;
27688 }
27689
27690 @@ -137,6 +141,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
27691 info.high_limit = end;
27692 info.align_mask = filp ? get_align_mask() : 0;
27693 info.align_offset = pgoff << PAGE_SHIFT;
27694 + info.threadstack_offset = offset;
27695 return vm_unmapped_area(&info);
27696 }
27697
27698 @@ -149,6 +154,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
27699 struct mm_struct *mm = current->mm;
27700 unsigned long addr = addr0;
27701 struct vm_unmapped_area_info info;
27702 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
27703
27704 /* requested length too big for entire address space */
27705 if (len > TASK_SIZE)
27706 @@ -161,12 +167,15 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
27707 if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT))
27708 goto bottomup;
27709
27710 +#ifdef CONFIG_PAX_RANDMMAP
27711 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
27712 +#endif
27713 +
27714 /* requesting a specific address */
27715 if (addr) {
27716 addr = PAGE_ALIGN(addr);
27717 vma = find_vma(mm, addr);
27718 - if (TASK_SIZE - len >= addr &&
27719 - (!vma || addr + len <= vma->vm_start))
27720 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
27721 return addr;
27722 }
27723
27724 @@ -176,6 +185,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
27725 info.high_limit = mm->mmap_base;
27726 info.align_mask = filp ? get_align_mask() : 0;
27727 info.align_offset = pgoff << PAGE_SHIFT;
27728 + info.threadstack_offset = offset;
27729 addr = vm_unmapped_area(&info);
27730 if (!(addr & ~PAGE_MASK))
27731 return addr;
27732 diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
27733 index 91a4496..bb87552 100644
27734 --- a/arch/x86/kernel/tboot.c
27735 +++ b/arch/x86/kernel/tboot.c
27736 @@ -221,7 +221,7 @@ static int tboot_setup_sleep(void)
27737
27738 void tboot_shutdown(u32 shutdown_type)
27739 {
27740 - void (*shutdown)(void);
27741 + void (* __noreturn shutdown)(void);
27742
27743 if (!tboot_enabled())
27744 return;
27745 @@ -243,7 +243,7 @@ void tboot_shutdown(u32 shutdown_type)
27746
27747 switch_to_tboot_pt();
27748
27749 - shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry;
27750 + shutdown = (void *)(unsigned long)tboot->shutdown_entry;
27751 shutdown();
27752
27753 /* should not reach here */
27754 @@ -310,7 +310,7 @@ static int tboot_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b)
27755 return -ENODEV;
27756 }
27757
27758 -static atomic_t ap_wfs_count;
27759 +static atomic_unchecked_t ap_wfs_count;
27760
27761 static int tboot_wait_for_aps(int num_aps)
27762 {
27763 @@ -334,9 +334,9 @@ static int tboot_cpu_callback(struct notifier_block *nfb, unsigned long action,
27764 {
27765 switch (action) {
27766 case CPU_DYING:
27767 - atomic_inc(&ap_wfs_count);
27768 + atomic_inc_unchecked(&ap_wfs_count);
27769 if (num_online_cpus() == 1)
27770 - if (tboot_wait_for_aps(atomic_read(&ap_wfs_count)))
27771 + if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count)))
27772 return NOTIFY_BAD;
27773 break;
27774 }
27775 @@ -422,7 +422,7 @@ static __init int tboot_late_init(void)
27776
27777 tboot_create_trampoline();
27778
27779 - atomic_set(&ap_wfs_count, 0);
27780 + atomic_set_unchecked(&ap_wfs_count, 0);
27781 register_hotcpu_notifier(&tboot_cpu_notifier);
27782
27783 #ifdef CONFIG_DEBUG_FS
27784 diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
27785 index 0fa2960..91eabbe 100644
27786 --- a/arch/x86/kernel/time.c
27787 +++ b/arch/x86/kernel/time.c
27788 @@ -30,9 +30,9 @@ unsigned long profile_pc(struct pt_regs *regs)
27789 {
27790 unsigned long pc = instruction_pointer(regs);
27791
27792 - if (!user_mode_vm(regs) && in_lock_functions(pc)) {
27793 + if (!user_mode(regs) && in_lock_functions(pc)) {
27794 #ifdef CONFIG_FRAME_POINTER
27795 - return *(unsigned long *)(regs->bp + sizeof(long));
27796 + return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long)));
27797 #else
27798 unsigned long *sp =
27799 (unsigned long *)kernel_stack_pointer(regs);
27800 @@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs)
27801 * or above a saved flags. Eflags has bits 22-31 zero,
27802 * kernel addresses don't.
27803 */
27804 +
27805 +#ifdef CONFIG_PAX_KERNEXEC
27806 + return ktla_ktva(sp[0]);
27807 +#else
27808 if (sp[0] >> 22)
27809 return sp[0];
27810 if (sp[1] >> 22)
27811 return sp[1];
27812 #endif
27813 +
27814 +#endif
27815 }
27816 return pc;
27817 }
27818 diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
27819 index 7fc5e84..c6e445a 100644
27820 --- a/arch/x86/kernel/tls.c
27821 +++ b/arch/x86/kernel/tls.c
27822 @@ -139,6 +139,11 @@ int do_set_thread_area(struct task_struct *p, int idx,
27823 if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
27824 return -EINVAL;
27825
27826 +#ifdef CONFIG_PAX_SEGMEXEC
27827 + if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE))
27828 + return -EINVAL;
27829 +#endif
27830 +
27831 set_tls_desc(p, idx, &info, 1);
27832
27833 return 0;
27834 @@ -256,7 +261,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset,
27835
27836 if (kbuf)
27837 info = kbuf;
27838 - else if (__copy_from_user(infobuf, ubuf, count))
27839 + else if (count > sizeof infobuf || __copy_from_user(infobuf, ubuf, count))
27840 return -EFAULT;
27841 else
27842 info = infobuf;
27843 diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c
27844 index 1c113db..287b42e 100644
27845 --- a/arch/x86/kernel/tracepoint.c
27846 +++ b/arch/x86/kernel/tracepoint.c
27847 @@ -9,11 +9,11 @@
27848 #include <linux/atomic.h>
27849
27850 atomic_t trace_idt_ctr = ATOMIC_INIT(0);
27851 -struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1,
27852 +const struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1,
27853 (unsigned long) trace_idt_table };
27854
27855 /* No need to be aligned, but done to keep all IDTs defined the same way. */
27856 -gate_desc trace_idt_table[NR_VECTORS] __page_aligned_bss;
27857 +gate_desc trace_idt_table[NR_VECTORS] __page_aligned_rodata;
27858
27859 static int trace_irq_vector_refcount;
27860 static DEFINE_MUTEX(irq_vector_mutex);
27861 diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
27862 index 07ab8e9..99c8456 100644
27863 --- a/arch/x86/kernel/traps.c
27864 +++ b/arch/x86/kernel/traps.c
27865 @@ -67,7 +67,7 @@
27866 #include <asm/proto.h>
27867
27868 /* No need to be aligned, but done to keep all IDTs defined the same way. */
27869 -gate_desc debug_idt_table[NR_VECTORS] __page_aligned_bss;
27870 +gate_desc debug_idt_table[NR_VECTORS] __page_aligned_rodata;
27871 #else
27872 #include <asm/processor-flags.h>
27873 #include <asm/setup.h>
27874 @@ -76,7 +76,7 @@ asmlinkage int system_call(void);
27875 #endif
27876
27877 /* Must be page-aligned because the real IDT is used in a fixmap. */
27878 -gate_desc idt_table[NR_VECTORS] __page_aligned_bss;
27879 +gate_desc idt_table[NR_VECTORS] __page_aligned_rodata;
27880
27881 DECLARE_BITMAP(used_vectors, NR_VECTORS);
27882 EXPORT_SYMBOL_GPL(used_vectors);
27883 @@ -108,11 +108,11 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
27884 }
27885
27886 static nokprobe_inline int
27887 -do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str,
27888 +do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str,
27889 struct pt_regs *regs, long error_code)
27890 {
27891 #ifdef CONFIG_X86_32
27892 - if (regs->flags & X86_VM_MASK) {
27893 + if (v8086_mode(regs)) {
27894 /*
27895 * Traps 0, 1, 3, 4, and 5 should be forwarded to vm86.
27896 * On nmi (interrupt 2), do_trap should not be called.
27897 @@ -125,12 +125,24 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str,
27898 return -1;
27899 }
27900 #endif
27901 - if (!user_mode(regs)) {
27902 + if (!user_mode_novm(regs)) {
27903 if (!fixup_exception(regs)) {
27904 tsk->thread.error_code = error_code;
27905 tsk->thread.trap_nr = trapnr;
27906 +
27907 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
27908 + if (trapnr == X86_TRAP_SS && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS))
27909 + str = "PAX: suspicious stack segment fault";
27910 +#endif
27911 +
27912 die(str, regs, error_code);
27913 }
27914 +
27915 +#ifdef CONFIG_PAX_REFCOUNT
27916 + if (trapnr == X86_TRAP_OF)
27917 + pax_report_refcount_overflow(regs);
27918 +#endif
27919 +
27920 return 0;
27921 }
27922
27923 @@ -169,7 +181,7 @@ static siginfo_t *fill_trap_info(struct pt_regs *regs, int signr, int trapnr,
27924 }
27925
27926 static void
27927 -do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
27928 +do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs,
27929 long error_code, siginfo_t *info)
27930 {
27931 struct task_struct *tsk = current;
27932 @@ -193,7 +205,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs,
27933 if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
27934 printk_ratelimit()) {
27935 pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx",
27936 - tsk->comm, tsk->pid, str,
27937 + tsk->comm, task_pid_nr(tsk), str,
27938 regs->ip, regs->sp, error_code);
27939 print_vma_addr(" in ", regs->ip);
27940 pr_cont("\n");
27941 @@ -274,6 +286,11 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
27942 tsk->thread.error_code = error_code;
27943 tsk->thread.trap_nr = X86_TRAP_DF;
27944
27945 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
27946 + if ((unsigned long)tsk->stack - regs->sp <= PAGE_SIZE)
27947 + die("grsec: kernel stack overflow detected", regs, error_code);
27948 +#endif
27949 +
27950 #ifdef CONFIG_DOUBLEFAULT
27951 df_debug(regs, error_code);
27952 #endif
27953 @@ -296,7 +313,7 @@ do_general_protection(struct pt_regs *regs, long error_code)
27954 conditional_sti(regs);
27955
27956 #ifdef CONFIG_X86_32
27957 - if (regs->flags & X86_VM_MASK) {
27958 + if (v8086_mode(regs)) {
27959 local_irq_enable();
27960 handle_vm86_fault((struct kernel_vm86_regs *) regs, error_code);
27961 goto exit;
27962 @@ -304,18 +321,42 @@ do_general_protection(struct pt_regs *regs, long error_code)
27963 #endif
27964
27965 tsk = current;
27966 - if (!user_mode(regs)) {
27967 + if (!user_mode_novm(regs)) {
27968 if (fixup_exception(regs))
27969 goto exit;
27970
27971 tsk->thread.error_code = error_code;
27972 tsk->thread.trap_nr = X86_TRAP_GP;
27973 if (notify_die(DIE_GPF, "general protection fault", regs, error_code,
27974 - X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP)
27975 + X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) {
27976 +
27977 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
27978 + if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)
27979 + die("PAX: suspicious general protection fault", regs, error_code);
27980 + else
27981 +#endif
27982 +
27983 die("general protection fault", regs, error_code);
27984 + }
27985 goto exit;
27986 }
27987
27988 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
27989 + if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) {
27990 + struct mm_struct *mm = tsk->mm;
27991 + unsigned long limit;
27992 +
27993 + down_write(&mm->mmap_sem);
27994 + limit = mm->context.user_cs_limit;
27995 + if (limit < TASK_SIZE) {
27996 + track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC);
27997 + up_write(&mm->mmap_sem);
27998 + return;
27999 + }
28000 + up_write(&mm->mmap_sem);
28001 + }
28002 +#endif
28003 +
28004 tsk->thread.error_code = error_code;
28005 tsk->thread.trap_nr = X86_TRAP_GP;
28006
28007 @@ -427,13 +468,16 @@ struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s)
28008 container_of(task_pt_regs(current),
28009 struct bad_iret_stack, regs);
28010
28011 + if ((current->thread.sp0 ^ (unsigned long)s) < THREAD_SIZE)
28012 + new_stack = s;
28013 +
28014 /* Copy the IRET target to the new stack. */
28015 memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8);
28016
28017 /* Copy the remainder of the stack from the current stack. */
28018 memmove(new_stack, s, offsetof(struct bad_iret_stack, regs.ip));
28019
28020 - BUG_ON(!user_mode_vm(&new_stack->regs));
28021 + BUG_ON(!user_mode(&new_stack->regs));
28022 return new_stack;
28023 }
28024 NOKPROBE_SYMBOL(fixup_bad_iret);
28025 @@ -519,7 +563,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code)
28026 /* It's safe to allow irq's after DR6 has been saved */
28027 preempt_conditional_sti(regs);
28028
28029 - if (regs->flags & X86_VM_MASK) {
28030 + if (v8086_mode(regs)) {
28031 handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code,
28032 X86_TRAP_DB);
28033 preempt_conditional_cli(regs);
28034 @@ -534,7 +578,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code)
28035 * We already checked v86 mode above, so we can check for kernel mode
28036 * by just checking the CPL of CS.
28037 */
28038 - if ((dr6 & DR_STEP) && !user_mode(regs)) {
28039 + if ((dr6 & DR_STEP) && !user_mode_novm(regs)) {
28040 tsk->thread.debugreg6 &= ~DR_STEP;
28041 set_tsk_thread_flag(tsk, TIF_SINGLESTEP);
28042 regs->flags &= ~X86_EFLAGS_TF;
28043 @@ -567,7 +611,7 @@ static void math_error(struct pt_regs *regs, int error_code, int trapnr)
28044 return;
28045 conditional_sti(regs);
28046
28047 - if (!user_mode_vm(regs))
28048 + if (!user_mode(regs))
28049 {
28050 if (!fixup_exception(regs)) {
28051 task->thread.error_code = error_code;
28052 diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
28053 index 5054497..139f8f8 100644
28054 --- a/arch/x86/kernel/tsc.c
28055 +++ b/arch/x86/kernel/tsc.c
28056 @@ -150,7 +150,7 @@ static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data)
28057 */
28058 smp_wmb();
28059
28060 - ACCESS_ONCE(c2n->head) = data;
28061 + ACCESS_ONCE_RW(c2n->head) = data;
28062 }
28063
28064 /*
28065 diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
28066 index 5d1cbfe..2a21feb 100644
28067 --- a/arch/x86/kernel/uprobes.c
28068 +++ b/arch/x86/kernel/uprobes.c
28069 @@ -845,7 +845,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
28070 int ret = NOTIFY_DONE;
28071
28072 /* We are only interested in userspace traps */
28073 - if (regs && !user_mode_vm(regs))
28074 + if (regs && !user_mode(regs))
28075 return NOTIFY_DONE;
28076
28077 switch (val) {
28078 @@ -919,7 +919,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs
28079
28080 if (nleft != rasize) {
28081 pr_err("uprobe: return address clobbered: pid=%d, %%sp=%#lx, "
28082 - "%%ip=%#lx\n", current->pid, regs->sp, regs->ip);
28083 + "%%ip=%#lx\n", task_pid_nr(current), regs->sp, regs->ip);
28084
28085 force_sig_info(SIGSEGV, SEND_SIG_FORCED, current);
28086 }
28087 diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
28088 index b9242ba..50c5edd 100644
28089 --- a/arch/x86/kernel/verify_cpu.S
28090 +++ b/arch/x86/kernel/verify_cpu.S
28091 @@ -20,6 +20,7 @@
28092 * arch/x86/boot/compressed/head_64.S: Boot cpu verification
28093 * arch/x86/kernel/trampoline_64.S: secondary processor verification
28094 * arch/x86/kernel/head_32.S: processor startup
28095 + * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume
28096 *
28097 * verify_cpu, returns the status of longmode and SSE in register %eax.
28098 * 0: Success 1: Failure
28099 diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
28100 index e8edcf5..27f9344 100644
28101 --- a/arch/x86/kernel/vm86_32.c
28102 +++ b/arch/x86/kernel/vm86_32.c
28103 @@ -44,6 +44,7 @@
28104 #include <linux/ptrace.h>
28105 #include <linux/audit.h>
28106 #include <linux/stddef.h>
28107 +#include <linux/grsecurity.h>
28108
28109 #include <asm/uaccess.h>
28110 #include <asm/io.h>
28111 @@ -150,7 +151,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs)
28112 do_exit(SIGSEGV);
28113 }
28114
28115 - tss = &per_cpu(init_tss, get_cpu());
28116 + tss = init_tss + get_cpu();
28117 current->thread.sp0 = current->thread.saved_sp0;
28118 current->thread.sysenter_cs = __KERNEL_CS;
28119 load_sp0(tss, &current->thread);
28120 @@ -214,6 +215,14 @@ SYSCALL_DEFINE1(vm86old, struct vm86_struct __user *, v86)
28121
28122 if (tsk->thread.saved_sp0)
28123 return -EPERM;
28124 +
28125 +#ifdef CONFIG_GRKERNSEC_VM86
28126 + if (!capable(CAP_SYS_RAWIO)) {
28127 + gr_handle_vm86();
28128 + return -EPERM;
28129 + }
28130 +#endif
28131 +
28132 tmp = copy_vm86_regs_from_user(&info.regs, &v86->regs,
28133 offsetof(struct kernel_vm86_struct, vm86plus) -
28134 sizeof(info.regs));
28135 @@ -238,6 +247,13 @@ SYSCALL_DEFINE2(vm86, unsigned long, cmd, unsigned long, arg)
28136 int tmp;
28137 struct vm86plus_struct __user *v86;
28138
28139 +#ifdef CONFIG_GRKERNSEC_VM86
28140 + if (!capable(CAP_SYS_RAWIO)) {
28141 + gr_handle_vm86();
28142 + return -EPERM;
28143 + }
28144 +#endif
28145 +
28146 tsk = current;
28147 switch (cmd) {
28148 case VM86_REQUEST_IRQ:
28149 @@ -318,7 +334,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
28150 tsk->thread.saved_fs = info->regs32->fs;
28151 tsk->thread.saved_gs = get_user_gs(info->regs32);
28152
28153 - tss = &per_cpu(init_tss, get_cpu());
28154 + tss = init_tss + get_cpu();
28155 tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0;
28156 if (cpu_has_sep)
28157 tsk->thread.sysenter_cs = 0;
28158 @@ -525,7 +541,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i,
28159 goto cannot_handle;
28160 if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored))
28161 goto cannot_handle;
28162 - intr_ptr = (unsigned long __user *) (i << 2);
28163 + intr_ptr = (__force unsigned long __user *) (i << 2);
28164 if (get_user(segoffs, intr_ptr))
28165 goto cannot_handle;
28166 if ((segoffs >> 16) == BIOSSEG)
28167 diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
28168 index 49edf2d..c0d1362 100644
28169 --- a/arch/x86/kernel/vmlinux.lds.S
28170 +++ b/arch/x86/kernel/vmlinux.lds.S
28171 @@ -26,6 +26,13 @@
28172 #include <asm/page_types.h>
28173 #include <asm/cache.h>
28174 #include <asm/boot.h>
28175 +#include <asm/segment.h>
28176 +
28177 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
28178 +#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR)
28179 +#else
28180 +#define __KERNEL_TEXT_OFFSET 0
28181 +#endif
28182
28183 #undef i386 /* in case the preprocessor is a 32bit one */
28184
28185 @@ -69,30 +76,43 @@ jiffies_64 = jiffies;
28186
28187 PHDRS {
28188 text PT_LOAD FLAGS(5); /* R_E */
28189 +#ifdef CONFIG_X86_32
28190 + module PT_LOAD FLAGS(5); /* R_E */
28191 +#endif
28192 +#ifdef CONFIG_XEN
28193 + rodata PT_LOAD FLAGS(5); /* R_E */
28194 +#else
28195 + rodata PT_LOAD FLAGS(4); /* R__ */
28196 +#endif
28197 data PT_LOAD FLAGS(6); /* RW_ */
28198 -#ifdef CONFIG_X86_64
28199 + init.begin PT_LOAD FLAGS(6); /* RW_ */
28200 #ifdef CONFIG_SMP
28201 percpu PT_LOAD FLAGS(6); /* RW_ */
28202 #endif
28203 + text.init PT_LOAD FLAGS(5); /* R_E */
28204 + text.exit PT_LOAD FLAGS(5); /* R_E */
28205 init PT_LOAD FLAGS(7); /* RWE */
28206 -#endif
28207 note PT_NOTE FLAGS(0); /* ___ */
28208 }
28209
28210 SECTIONS
28211 {
28212 #ifdef CONFIG_X86_32
28213 - . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
28214 - phys_startup_32 = startup_32 - LOAD_OFFSET;
28215 + . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR;
28216 #else
28217 - . = __START_KERNEL;
28218 - phys_startup_64 = startup_64 - LOAD_OFFSET;
28219 + . = __START_KERNEL;
28220 #endif
28221
28222 /* Text and read-only data */
28223 - .text : AT(ADDR(.text) - LOAD_OFFSET) {
28224 - _text = .;
28225 + .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
28226 /* bootstrapping code */
28227 +#ifdef CONFIG_X86_32
28228 + phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
28229 +#else
28230 + phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
28231 +#endif
28232 + __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET;
28233 + _text = .;
28234 HEAD_TEXT
28235 . = ALIGN(8);
28236 _stext = .;
28237 @@ -104,13 +124,47 @@ SECTIONS
28238 IRQENTRY_TEXT
28239 *(.fixup)
28240 *(.gnu.warning)
28241 - /* End of text section */
28242 - _etext = .;
28243 } :text = 0x9090
28244
28245 - NOTES :text :note
28246 + . += __KERNEL_TEXT_OFFSET;
28247
28248 - EXCEPTION_TABLE(16) :text = 0x9090
28249 +#ifdef CONFIG_X86_32
28250 + . = ALIGN(PAGE_SIZE);
28251 + .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) {
28252 +
28253 +#ifdef CONFIG_PAX_KERNEXEC
28254 + MODULES_EXEC_VADDR = .;
28255 + BYTE(0)
28256 + . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024);
28257 + . = ALIGN(HPAGE_SIZE) - 1;
28258 + MODULES_EXEC_END = .;
28259 +#endif
28260 +
28261 + } :module
28262 +#endif
28263 +
28264 + .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) {
28265 + /* End of text section */
28266 + BYTE(0)
28267 + _etext = . - __KERNEL_TEXT_OFFSET;
28268 + }
28269 +
28270 +#ifdef CONFIG_X86_32
28271 + . = ALIGN(PAGE_SIZE);
28272 + .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) {
28273 + . = ALIGN(PAGE_SIZE);
28274 + *(.empty_zero_page)
28275 + *(.initial_pg_fixmap)
28276 + *(.initial_pg_pmd)
28277 + *(.initial_page_table)
28278 + *(.swapper_pg_dir)
28279 + } :rodata
28280 +#endif
28281 +
28282 + . = ALIGN(PAGE_SIZE);
28283 + NOTES :rodata :note
28284 +
28285 + EXCEPTION_TABLE(16) :rodata
28286
28287 #if defined(CONFIG_DEBUG_RODATA)
28288 /* .text should occupy whole number of pages */
28289 @@ -122,16 +176,20 @@ SECTIONS
28290
28291 /* Data */
28292 .data : AT(ADDR(.data) - LOAD_OFFSET) {
28293 +
28294 +#ifdef CONFIG_PAX_KERNEXEC
28295 + . = ALIGN(HPAGE_SIZE);
28296 +#else
28297 + . = ALIGN(PAGE_SIZE);
28298 +#endif
28299 +
28300 /* Start of data section */
28301 _sdata = .;
28302
28303 /* init_task */
28304 INIT_TASK_DATA(THREAD_SIZE)
28305
28306 -#ifdef CONFIG_X86_32
28307 - /* 32 bit has nosave before _edata */
28308 NOSAVE_DATA
28309 -#endif
28310
28311 PAGE_ALIGNED_DATA(PAGE_SIZE)
28312
28313 @@ -174,12 +232,19 @@ SECTIONS
28314 . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE);
28315
28316 /* Init code and data - will be freed after init */
28317 - . = ALIGN(PAGE_SIZE);
28318 .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) {
28319 + BYTE(0)
28320 +
28321 +#ifdef CONFIG_PAX_KERNEXEC
28322 + . = ALIGN(HPAGE_SIZE);
28323 +#else
28324 + . = ALIGN(PAGE_SIZE);
28325 +#endif
28326 +
28327 __init_begin = .; /* paired with __init_end */
28328 - }
28329 + } :init.begin
28330
28331 -#if defined(CONFIG_X86_64) && defined(CONFIG_SMP)
28332 +#ifdef CONFIG_SMP
28333 /*
28334 * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the
28335 * output PHDR, so the next output section - .init.text - should
28336 @@ -188,12 +253,27 @@ SECTIONS
28337 PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu)
28338 #endif
28339
28340 - INIT_TEXT_SECTION(PAGE_SIZE)
28341 -#ifdef CONFIG_X86_64
28342 - :init
28343 -#endif
28344 + . = ALIGN(PAGE_SIZE);
28345 + init_begin = .;
28346 + .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) {
28347 + VMLINUX_SYMBOL(_sinittext) = .;
28348 + INIT_TEXT
28349 + VMLINUX_SYMBOL(_einittext) = .;
28350 + . = ALIGN(PAGE_SIZE);
28351 + } :text.init
28352
28353 - INIT_DATA_SECTION(16)
28354 + /*
28355 + * .exit.text is discard at runtime, not link time, to deal with
28356 + * references from .altinstructions and .eh_frame
28357 + */
28358 + .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) {
28359 + EXIT_TEXT
28360 + . = ALIGN(16);
28361 + } :text.exit
28362 + . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text);
28363 +
28364 + . = ALIGN(PAGE_SIZE);
28365 + INIT_DATA_SECTION(16) :init
28366
28367 .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
28368 __x86_cpu_dev_start = .;
28369 @@ -264,19 +344,12 @@ SECTIONS
28370 }
28371
28372 . = ALIGN(8);
28373 - /*
28374 - * .exit.text is discard at runtime, not link time, to deal with
28375 - * references from .altinstructions and .eh_frame
28376 - */
28377 - .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
28378 - EXIT_TEXT
28379 - }
28380
28381 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
28382 EXIT_DATA
28383 }
28384
28385 -#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP)
28386 +#ifndef CONFIG_SMP
28387 PERCPU_SECTION(INTERNODE_CACHE_BYTES)
28388 #endif
28389
28390 @@ -295,16 +368,10 @@ SECTIONS
28391 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
28392 __smp_locks = .;
28393 *(.smp_locks)
28394 - . = ALIGN(PAGE_SIZE);
28395 __smp_locks_end = .;
28396 + . = ALIGN(PAGE_SIZE);
28397 }
28398
28399 -#ifdef CONFIG_X86_64
28400 - .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
28401 - NOSAVE_DATA
28402 - }
28403 -#endif
28404 -
28405 /* BSS */
28406 . = ALIGN(PAGE_SIZE);
28407 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
28408 @@ -320,6 +387,7 @@ SECTIONS
28409 __brk_base = .;
28410 . += 64 * 1024; /* 64k alignment slop space */
28411 *(.brk_reservation) /* areas brk users have reserved */
28412 + . = ALIGN(HPAGE_SIZE);
28413 __brk_limit = .;
28414 }
28415
28416 @@ -346,13 +414,12 @@ SECTIONS
28417 * for the boot processor.
28418 */
28419 #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load
28420 -INIT_PER_CPU(gdt_page);
28421 INIT_PER_CPU(irq_stack_union);
28422
28423 /*
28424 * Build-time check on the image size:
28425 */
28426 -. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE),
28427 +. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE),
28428 "kernel image bigger than KERNEL_IMAGE_SIZE");
28429
28430 #ifdef CONFIG_SMP
28431 diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
28432 index 957779f..74e405c 100644
28433 --- a/arch/x86/kernel/vsyscall_64.c
28434 +++ b/arch/x86/kernel/vsyscall_64.c
28435 @@ -54,15 +54,13 @@
28436
28437 DEFINE_VVAR(int, vgetcpu_mode);
28438
28439 -static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE;
28440 +static enum { EMULATE, NONE } vsyscall_mode = EMULATE;
28441
28442 static int __init vsyscall_setup(char *str)
28443 {
28444 if (str) {
28445 if (!strcmp("emulate", str))
28446 vsyscall_mode = EMULATE;
28447 - else if (!strcmp("native", str))
28448 - vsyscall_mode = NATIVE;
28449 else if (!strcmp("none", str))
28450 vsyscall_mode = NONE;
28451 else
28452 @@ -279,8 +277,7 @@ do_ret:
28453 return true;
28454
28455 sigsegv:
28456 - force_sig(SIGSEGV, current);
28457 - return true;
28458 + do_group_exit(SIGKILL);
28459 }
28460
28461 /*
28462 @@ -331,10 +328,7 @@ void __init map_vsyscall(void)
28463 extern char __vsyscall_page;
28464 unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page);
28465
28466 - __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall,
28467 - vsyscall_mode == NATIVE
28468 - ? PAGE_KERNEL_VSYSCALL
28469 - : PAGE_KERNEL_VVAR);
28470 + __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR);
28471 BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) !=
28472 (unsigned long)VSYSCALL_ADDR);
28473 }
28474 diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
28475 index 04068192..4d75aa6 100644
28476 --- a/arch/x86/kernel/x8664_ksyms_64.c
28477 +++ b/arch/x86/kernel/x8664_ksyms_64.c
28478 @@ -34,8 +34,6 @@ EXPORT_SYMBOL(copy_user_generic_string);
28479 EXPORT_SYMBOL(copy_user_generic_unrolled);
28480 EXPORT_SYMBOL(copy_user_enhanced_fast_string);
28481 EXPORT_SYMBOL(__copy_user_nocache);
28482 -EXPORT_SYMBOL(_copy_from_user);
28483 -EXPORT_SYMBOL(_copy_to_user);
28484
28485 EXPORT_SYMBOL(copy_page);
28486 EXPORT_SYMBOL(clear_page);
28487 @@ -73,3 +71,7 @@ EXPORT_SYMBOL(___preempt_schedule);
28488 EXPORT_SYMBOL(___preempt_schedule_context);
28489 #endif
28490 #endif
28491 +
28492 +#ifdef CONFIG_PAX_PER_CPU_PGD
28493 +EXPORT_SYMBOL(cpu_pgd);
28494 +#endif
28495 diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
28496 index e48b674..a451dd9 100644
28497 --- a/arch/x86/kernel/x86_init.c
28498 +++ b/arch/x86/kernel/x86_init.c
28499 @@ -93,7 +93,7 @@ struct x86_cpuinit_ops x86_cpuinit = {
28500 static void default_nmi_init(void) { };
28501 static int default_i8042_detect(void) { return 1; };
28502
28503 -struct x86_platform_ops x86_platform = {
28504 +struct x86_platform_ops x86_platform __read_only = {
28505 .calibrate_tsc = native_calibrate_tsc,
28506 .get_wallclock = mach_get_cmos_time,
28507 .set_wallclock = mach_set_rtc_mmss,
28508 @@ -109,7 +109,7 @@ struct x86_platform_ops x86_platform = {
28509 EXPORT_SYMBOL_GPL(x86_platform);
28510
28511 #if defined(CONFIG_PCI_MSI)
28512 -struct x86_msi_ops x86_msi = {
28513 +struct x86_msi_ops x86_msi __read_only = {
28514 .setup_msi_irqs = native_setup_msi_irqs,
28515 .compose_msi_msg = native_compose_msi_msg,
28516 .teardown_msi_irq = native_teardown_msi_irq,
28517 @@ -150,7 +150,7 @@ u32 arch_msix_mask_irq(struct msi_desc *desc, u32 flag)
28518 }
28519 #endif
28520
28521 -struct x86_io_apic_ops x86_io_apic_ops = {
28522 +struct x86_io_apic_ops x86_io_apic_ops __read_only = {
28523 .init = native_io_apic_init_mappings,
28524 .read = native_io_apic_read,
28525 .write = native_io_apic_write,
28526 diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
28527 index 0de1fae..298d037 100644
28528 --- a/arch/x86/kernel/xsave.c
28529 +++ b/arch/x86/kernel/xsave.c
28530 @@ -167,18 +167,18 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame)
28531
28532 /* Setup the bytes not touched by the [f]xsave and reserved for SW. */
28533 sw_bytes = ia32_frame ? &fx_sw_reserved_ia32 : &fx_sw_reserved;
28534 - err = __copy_to_user(&x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes));
28535 + err = __copy_to_user(x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes));
28536
28537 if (!use_xsave())
28538 return err;
28539
28540 - err |= __put_user(FP_XSTATE_MAGIC2, (__u32 *)(buf + xstate_size));
28541 + err |= __put_user(FP_XSTATE_MAGIC2, (__u32 __user *)(buf + xstate_size));
28542
28543 /*
28544 * Read the xstate_bv which we copied (directly from the cpu or
28545 * from the state in task struct) to the user buffers.
28546 */
28547 - err |= __get_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv);
28548 + err |= __get_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv);
28549
28550 /*
28551 * For legacy compatible, we always set FP/SSE bits in the bit
28552 @@ -193,7 +193,7 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame)
28553 */
28554 xstate_bv |= XSTATE_FPSSE;
28555
28556 - err |= __put_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv);
28557 + err |= __put_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv);
28558
28559 return err;
28560 }
28561 @@ -202,6 +202,7 @@ static inline int save_user_xstate(struct xsave_struct __user *buf)
28562 {
28563 int err;
28564
28565 + buf = (struct xsave_struct __user *)____m(buf);
28566 if (use_xsave())
28567 err = xsave_user(buf);
28568 else if (use_fxsr())
28569 @@ -312,6 +313,7 @@ sanitize_restored_xstate(struct task_struct *tsk,
28570 */
28571 static inline int restore_user_xstate(void __user *buf, u64 xbv, int fx_only)
28572 {
28573 + buf = (void __user *)____m(buf);
28574 if (use_xsave()) {
28575 if ((unsigned long)buf % 64 || fx_only) {
28576 u64 init_bv = pcntxt_mask & ~XSTATE_FPSSE;
28577 diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
28578 index 88f9201..0e7f1a3 100644
28579 --- a/arch/x86/kvm/cpuid.c
28580 +++ b/arch/x86/kvm/cpuid.c
28581 @@ -175,15 +175,20 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
28582 struct kvm_cpuid2 *cpuid,
28583 struct kvm_cpuid_entry2 __user *entries)
28584 {
28585 - int r;
28586 + int r, i;
28587
28588 r = -E2BIG;
28589 if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
28590 goto out;
28591 r = -EFAULT;
28592 - if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
28593 - cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
28594 + if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
28595 goto out;
28596 + for (i = 0; i < cpuid->nent; ++i) {
28597 + struct kvm_cpuid_entry2 cpuid_entry;
28598 + if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry)))
28599 + goto out;
28600 + vcpu->arch.cpuid_entries[i] = cpuid_entry;
28601 + }
28602 vcpu->arch.cpuid_nent = cpuid->nent;
28603 kvm_apic_set_version(vcpu);
28604 kvm_x86_ops->cpuid_update(vcpu);
28605 @@ -196,15 +201,19 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
28606 struct kvm_cpuid2 *cpuid,
28607 struct kvm_cpuid_entry2 __user *entries)
28608 {
28609 - int r;
28610 + int r, i;
28611
28612 r = -E2BIG;
28613 if (cpuid->nent < vcpu->arch.cpuid_nent)
28614 goto out;
28615 r = -EFAULT;
28616 - if (copy_to_user(entries, &vcpu->arch.cpuid_entries,
28617 - vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
28618 + if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2)))
28619 goto out;
28620 + for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
28621 + struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i];
28622 + if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry)))
28623 + goto out;
28624 + }
28625 return 0;
28626
28627 out:
28628 diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
28629 index c7327a7..c3e2419 100644
28630 --- a/arch/x86/kvm/emulate.c
28631 +++ b/arch/x86/kvm/emulate.c
28632 @@ -3508,7 +3508,7 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt)
28633 int cr = ctxt->modrm_reg;
28634 u64 efer = 0;
28635
28636 - static u64 cr_reserved_bits[] = {
28637 + static const u64 cr_reserved_bits[] = {
28638 0xffffffff00000000ULL,
28639 0, 0, 0, /* CR3 checked later */
28640 CR4_RESERVED_BITS,
28641 @@ -3543,7 +3543,7 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt)
28642
28643 ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);
28644 if (efer & EFER_LMA)
28645 - rsvd = CR3_L_MODE_RESERVED_BITS;
28646 + rsvd = CR3_L_MODE_RESERVED_BITS & ~CR3_PCID_INVD;
28647
28648 if (new_val & rsvd)
28649 return emulate_gp(ctxt, 0);
28650 diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
28651 index b8345dd..f225d71 100644
28652 --- a/arch/x86/kvm/lapic.c
28653 +++ b/arch/x86/kvm/lapic.c
28654 @@ -55,7 +55,7 @@
28655 #define APIC_BUS_CYCLE_NS 1
28656
28657 /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */
28658 -#define apic_debug(fmt, arg...)
28659 +#define apic_debug(fmt, arg...) do {} while (0)
28660
28661 #define APIC_LVT_NUM 6
28662 /* 14 is the version for Xeon and Pentium 8.4.8*/
28663 diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
28664 index fd49c86..77e1aa0 100644
28665 --- a/arch/x86/kvm/paging_tmpl.h
28666 +++ b/arch/x86/kvm/paging_tmpl.h
28667 @@ -343,7 +343,7 @@ retry_walk:
28668 if (unlikely(kvm_is_error_hva(host_addr)))
28669 goto error;
28670
28671 - ptep_user = (pt_element_t __user *)((void *)host_addr + offset);
28672 + ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset);
28673 if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte))))
28674 goto error;
28675 walker->ptep_user[walker->level - 1] = ptep_user;
28676 diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
28677 index 7527cef..c63a838e 100644
28678 --- a/arch/x86/kvm/svm.c
28679 +++ b/arch/x86/kvm/svm.c
28680 @@ -3564,7 +3564,11 @@ static void reload_tss(struct kvm_vcpu *vcpu)
28681 int cpu = raw_smp_processor_id();
28682
28683 struct svm_cpu_data *sd = per_cpu(svm_data, cpu);
28684 +
28685 + pax_open_kernel();
28686 sd->tss_desc->type = 9; /* available 32/64-bit TSS */
28687 + pax_close_kernel();
28688 +
28689 load_TR_desc();
28690 }
28691
28692 @@ -3965,6 +3969,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
28693 #endif
28694 #endif
28695
28696 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
28697 + __set_fs(current_thread_info()->addr_limit);
28698 +#endif
28699 +
28700 reload_tss(vcpu);
28701
28702 local_irq_disable();
28703 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
28704 index ed70394..c629a68 100644
28705 --- a/arch/x86/kvm/vmx.c
28706 +++ b/arch/x86/kvm/vmx.c
28707 @@ -1366,12 +1366,12 @@ static void vmcs_write64(unsigned long field, u64 value)
28708 #endif
28709 }
28710
28711 -static void vmcs_clear_bits(unsigned long field, u32 mask)
28712 +static void vmcs_clear_bits(unsigned long field, unsigned long mask)
28713 {
28714 vmcs_writel(field, vmcs_readl(field) & ~mask);
28715 }
28716
28717 -static void vmcs_set_bits(unsigned long field, u32 mask)
28718 +static void vmcs_set_bits(unsigned long field, unsigned long mask)
28719 {
28720 vmcs_writel(field, vmcs_readl(field) | mask);
28721 }
28722 @@ -1631,7 +1631,11 @@ static void reload_tss(void)
28723 struct desc_struct *descs;
28724
28725 descs = (void *)gdt->address;
28726 +
28727 + pax_open_kernel();
28728 descs[GDT_ENTRY_TSS].type = 9; /* available TSS */
28729 + pax_close_kernel();
28730 +
28731 load_TR_desc();
28732 }
28733
28734 @@ -1859,6 +1863,10 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
28735 vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */
28736 vmcs_writel(HOST_GDTR_BASE, gdt->address); /* 22.2.4 */
28737
28738 +#ifdef CONFIG_PAX_PER_CPU_PGD
28739 + vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */
28740 +#endif
28741 +
28742 rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
28743 vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
28744 vmx->loaded_vmcs->cpu = cpu;
28745 @@ -2148,7 +2156,7 @@ static void setup_msrs(struct vcpu_vmx *vmx)
28746 * reads and returns guest's timestamp counter "register"
28747 * guest_tsc = host_tsc + tsc_offset -- 21.3
28748 */
28749 -static u64 guest_read_tsc(void)
28750 +static u64 __intentional_overflow(-1) guest_read_tsc(void)
28751 {
28752 u64 host_tsc, tsc_offset;
28753
28754 @@ -3146,11 +3154,16 @@ static __init int hardware_setup(void)
28755 * page upon invalidation. No need to do anything if the
28756 * processor does not have the APIC_ACCESS_ADDR VMCS field.
28757 */
28758 - kvm_x86_ops->set_apic_access_page_addr = NULL;
28759 + pax_open_kernel();
28760 + *(void **)&kvm_x86_ops->set_apic_access_page_addr = NULL;
28761 + pax_close_kernel();
28762 }
28763
28764 - if (!cpu_has_vmx_tpr_shadow())
28765 - kvm_x86_ops->update_cr8_intercept = NULL;
28766 + if (!cpu_has_vmx_tpr_shadow()) {
28767 + pax_open_kernel();
28768 + *(void **)&kvm_x86_ops->update_cr8_intercept = NULL;
28769 + pax_close_kernel();
28770 + }
28771
28772 if (enable_ept && !cpu_has_vmx_ept_2m_page())
28773 kvm_disable_largepages();
28774 @@ -3161,13 +3174,15 @@ static __init int hardware_setup(void)
28775 if (!cpu_has_vmx_apicv())
28776 enable_apicv = 0;
28777
28778 + pax_open_kernel();
28779 if (enable_apicv)
28780 - kvm_x86_ops->update_cr8_intercept = NULL;
28781 + *(void **)&kvm_x86_ops->update_cr8_intercept = NULL;
28782 else {
28783 - kvm_x86_ops->hwapic_irr_update = NULL;
28784 - kvm_x86_ops->deliver_posted_interrupt = NULL;
28785 - kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy;
28786 + *(void **)&kvm_x86_ops->hwapic_irr_update = NULL;
28787 + *(void **)&kvm_x86_ops->deliver_posted_interrupt = NULL;
28788 + *(void **)&kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy;
28789 }
28790 + pax_close_kernel();
28791
28792 if (nested)
28793 nested_vmx_setup_ctls_msrs();
28794 @@ -4274,7 +4289,10 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx)
28795 unsigned long cr4;
28796
28797 vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */
28798 +
28799 +#ifndef CONFIG_PAX_PER_CPU_PGD
28800 vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */
28801 +#endif
28802
28803 /* Save the most likely value for this task's CR4 in the VMCS. */
28804 cr4 = read_cr4();
28805 @@ -4301,7 +4319,7 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx)
28806 vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */
28807 vmx->host_idt_base = dt.address;
28808
28809 - vmcs_writel(HOST_RIP, vmx_return); /* 22.2.5 */
28810 + vmcs_writel(HOST_RIP, ktla_ktva(vmx_return)); /* 22.2.5 */
28811
28812 rdmsr(MSR_IA32_SYSENTER_CS, low32, high32);
28813 vmcs_write32(HOST_IA32_SYSENTER_CS, low32);
28814 @@ -7622,6 +7640,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
28815 "jmp 2f \n\t"
28816 "1: " __ex(ASM_VMX_VMRESUME) "\n\t"
28817 "2: "
28818 +
28819 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
28820 + "ljmp %[cs],$3f\n\t"
28821 + "3: "
28822 +#endif
28823 +
28824 /* Save guest registers, load host registers, keep flags */
28825 "mov %0, %c[wordsize](%%" _ASM_SP ") \n\t"
28826 "pop %0 \n\t"
28827 @@ -7674,6 +7698,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
28828 #endif
28829 [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)),
28830 [wordsize]"i"(sizeof(ulong))
28831 +
28832 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
28833 + ,[cs]"i"(__KERNEL_CS)
28834 +#endif
28835 +
28836 : "cc", "memory"
28837 #ifdef CONFIG_X86_64
28838 , "rax", "rbx", "rdi", "rsi"
28839 @@ -7687,7 +7716,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
28840 if (debugctlmsr)
28841 update_debugctlmsr(debugctlmsr);
28842
28843 -#ifndef CONFIG_X86_64
28844 +#ifdef CONFIG_X86_32
28845 /*
28846 * The sysexit path does not restore ds/es, so we must set them to
28847 * a reasonable value ourselves.
28848 @@ -7696,8 +7725,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
28849 * may be executed in interrupt context, which saves and restore segments
28850 * around it, nullifying its effect.
28851 */
28852 - loadsegment(ds, __USER_DS);
28853 - loadsegment(es, __USER_DS);
28854 + loadsegment(ds, __KERNEL_DS);
28855 + loadsegment(es, __KERNEL_DS);
28856 + loadsegment(ss, __KERNEL_DS);
28857 +
28858 +#ifdef CONFIG_PAX_KERNEXEC
28859 + loadsegment(fs, __KERNEL_PERCPU);
28860 +#endif
28861 +
28862 +#ifdef CONFIG_PAX_MEMORY_UDEREF
28863 + __set_fs(current_thread_info()->addr_limit);
28864 +#endif
28865 +
28866 #endif
28867
28868 vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
28869 diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
28870 index 506488c..f8df17e 100644
28871 --- a/arch/x86/kvm/x86.c
28872 +++ b/arch/x86/kvm/x86.c
28873 @@ -732,6 +732,8 @@ EXPORT_SYMBOL_GPL(kvm_set_cr4);
28874
28875 int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
28876 {
28877 + cr3 &= ~CR3_PCID_INVD;
28878 +
28879 if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) {
28880 kvm_mmu_sync_roots(vcpu);
28881 kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
28882 @@ -1878,8 +1880,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
28883 {
28884 struct kvm *kvm = vcpu->kvm;
28885 int lm = is_long_mode(vcpu);
28886 - u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
28887 - : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
28888 + u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64
28889 + : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
28890 u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
28891 : kvm->arch.xen_hvm_config.blob_size_32;
28892 u32 page_num = data & ~PAGE_MASK;
28893 @@ -2806,6 +2808,8 @@ long kvm_arch_dev_ioctl(struct file *filp,
28894 if (n < msr_list.nmsrs)
28895 goto out;
28896 r = -EFAULT;
28897 + if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save))
28898 + goto out;
28899 if (copy_to_user(user_msr_list->indices, &msrs_to_save,
28900 num_msrs_to_save * sizeof(u32)))
28901 goto out;
28902 @@ -5743,7 +5747,7 @@ static struct notifier_block pvclock_gtod_notifier = {
28903 };
28904 #endif
28905
28906 -int kvm_arch_init(void *opaque)
28907 +int kvm_arch_init(const void *opaque)
28908 {
28909 int r;
28910 struct kvm_x86_ops *ops = opaque;
28911 diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
28912 index aae9413..d11e829 100644
28913 --- a/arch/x86/lguest/boot.c
28914 +++ b/arch/x86/lguest/boot.c
28915 @@ -1206,9 +1206,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
28916 * Rebooting also tells the Host we're finished, but the RESTART flag tells the
28917 * Launcher to reboot us.
28918 */
28919 -static void lguest_restart(char *reason)
28920 +static __noreturn void lguest_restart(char *reason)
28921 {
28922 hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0);
28923 + BUG();
28924 }
28925
28926 /*G:050
28927 diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S
28928 index 00933d5..3a64af9 100644
28929 --- a/arch/x86/lib/atomic64_386_32.S
28930 +++ b/arch/x86/lib/atomic64_386_32.S
28931 @@ -48,6 +48,10 @@ BEGIN(read)
28932 movl (v), %eax
28933 movl 4(v), %edx
28934 RET_ENDP
28935 +BEGIN(read_unchecked)
28936 + movl (v), %eax
28937 + movl 4(v), %edx
28938 +RET_ENDP
28939 #undef v
28940
28941 #define v %esi
28942 @@ -55,6 +59,10 @@ BEGIN(set)
28943 movl %ebx, (v)
28944 movl %ecx, 4(v)
28945 RET_ENDP
28946 +BEGIN(set_unchecked)
28947 + movl %ebx, (v)
28948 + movl %ecx, 4(v)
28949 +RET_ENDP
28950 #undef v
28951
28952 #define v %esi
28953 @@ -70,6 +78,20 @@ RET_ENDP
28954 BEGIN(add)
28955 addl %eax, (v)
28956 adcl %edx, 4(v)
28957 +
28958 +#ifdef CONFIG_PAX_REFCOUNT
28959 + jno 0f
28960 + subl %eax, (v)
28961 + sbbl %edx, 4(v)
28962 + int $4
28963 +0:
28964 + _ASM_EXTABLE(0b, 0b)
28965 +#endif
28966 +
28967 +RET_ENDP
28968 +BEGIN(add_unchecked)
28969 + addl %eax, (v)
28970 + adcl %edx, 4(v)
28971 RET_ENDP
28972 #undef v
28973
28974 @@ -77,6 +99,24 @@ RET_ENDP
28975 BEGIN(add_return)
28976 addl (v), %eax
28977 adcl 4(v), %edx
28978 +
28979 +#ifdef CONFIG_PAX_REFCOUNT
28980 + into
28981 +1234:
28982 + _ASM_EXTABLE(1234b, 2f)
28983 +#endif
28984 +
28985 + movl %eax, (v)
28986 + movl %edx, 4(v)
28987 +
28988 +#ifdef CONFIG_PAX_REFCOUNT
28989 +2:
28990 +#endif
28991 +
28992 +RET_ENDP
28993 +BEGIN(add_return_unchecked)
28994 + addl (v), %eax
28995 + adcl 4(v), %edx
28996 movl %eax, (v)
28997 movl %edx, 4(v)
28998 RET_ENDP
28999 @@ -86,6 +126,20 @@ RET_ENDP
29000 BEGIN(sub)
29001 subl %eax, (v)
29002 sbbl %edx, 4(v)
29003 +
29004 +#ifdef CONFIG_PAX_REFCOUNT
29005 + jno 0f
29006 + addl %eax, (v)
29007 + adcl %edx, 4(v)
29008 + int $4
29009 +0:
29010 + _ASM_EXTABLE(0b, 0b)
29011 +#endif
29012 +
29013 +RET_ENDP
29014 +BEGIN(sub_unchecked)
29015 + subl %eax, (v)
29016 + sbbl %edx, 4(v)
29017 RET_ENDP
29018 #undef v
29019
29020 @@ -96,6 +150,27 @@ BEGIN(sub_return)
29021 sbbl $0, %edx
29022 addl (v), %eax
29023 adcl 4(v), %edx
29024 +
29025 +#ifdef CONFIG_PAX_REFCOUNT
29026 + into
29027 +1234:
29028 + _ASM_EXTABLE(1234b, 2f)
29029 +#endif
29030 +
29031 + movl %eax, (v)
29032 + movl %edx, 4(v)
29033 +
29034 +#ifdef CONFIG_PAX_REFCOUNT
29035 +2:
29036 +#endif
29037 +
29038 +RET_ENDP
29039 +BEGIN(sub_return_unchecked)
29040 + negl %edx
29041 + negl %eax
29042 + sbbl $0, %edx
29043 + addl (v), %eax
29044 + adcl 4(v), %edx
29045 movl %eax, (v)
29046 movl %edx, 4(v)
29047 RET_ENDP
29048 @@ -105,6 +180,20 @@ RET_ENDP
29049 BEGIN(inc)
29050 addl $1, (v)
29051 adcl $0, 4(v)
29052 +
29053 +#ifdef CONFIG_PAX_REFCOUNT
29054 + jno 0f
29055 + subl $1, (v)
29056 + sbbl $0, 4(v)
29057 + int $4
29058 +0:
29059 + _ASM_EXTABLE(0b, 0b)
29060 +#endif
29061 +
29062 +RET_ENDP
29063 +BEGIN(inc_unchecked)
29064 + addl $1, (v)
29065 + adcl $0, 4(v)
29066 RET_ENDP
29067 #undef v
29068
29069 @@ -114,6 +203,26 @@ BEGIN(inc_return)
29070 movl 4(v), %edx
29071 addl $1, %eax
29072 adcl $0, %edx
29073 +
29074 +#ifdef CONFIG_PAX_REFCOUNT
29075 + into
29076 +1234:
29077 + _ASM_EXTABLE(1234b, 2f)
29078 +#endif
29079 +
29080 + movl %eax, (v)
29081 + movl %edx, 4(v)
29082 +
29083 +#ifdef CONFIG_PAX_REFCOUNT
29084 +2:
29085 +#endif
29086 +
29087 +RET_ENDP
29088 +BEGIN(inc_return_unchecked)
29089 + movl (v), %eax
29090 + movl 4(v), %edx
29091 + addl $1, %eax
29092 + adcl $0, %edx
29093 movl %eax, (v)
29094 movl %edx, 4(v)
29095 RET_ENDP
29096 @@ -123,6 +232,20 @@ RET_ENDP
29097 BEGIN(dec)
29098 subl $1, (v)
29099 sbbl $0, 4(v)
29100 +
29101 +#ifdef CONFIG_PAX_REFCOUNT
29102 + jno 0f
29103 + addl $1, (v)
29104 + adcl $0, 4(v)
29105 + int $4
29106 +0:
29107 + _ASM_EXTABLE(0b, 0b)
29108 +#endif
29109 +
29110 +RET_ENDP
29111 +BEGIN(dec_unchecked)
29112 + subl $1, (v)
29113 + sbbl $0, 4(v)
29114 RET_ENDP
29115 #undef v
29116
29117 @@ -132,6 +255,26 @@ BEGIN(dec_return)
29118 movl 4(v), %edx
29119 subl $1, %eax
29120 sbbl $0, %edx
29121 +
29122 +#ifdef CONFIG_PAX_REFCOUNT
29123 + into
29124 +1234:
29125 + _ASM_EXTABLE(1234b, 2f)
29126 +#endif
29127 +
29128 + movl %eax, (v)
29129 + movl %edx, 4(v)
29130 +
29131 +#ifdef CONFIG_PAX_REFCOUNT
29132 +2:
29133 +#endif
29134 +
29135 +RET_ENDP
29136 +BEGIN(dec_return_unchecked)
29137 + movl (v), %eax
29138 + movl 4(v), %edx
29139 + subl $1, %eax
29140 + sbbl $0, %edx
29141 movl %eax, (v)
29142 movl %edx, 4(v)
29143 RET_ENDP
29144 @@ -143,6 +286,13 @@ BEGIN(add_unless)
29145 adcl %edx, %edi
29146 addl (v), %eax
29147 adcl 4(v), %edx
29148 +
29149 +#ifdef CONFIG_PAX_REFCOUNT
29150 + into
29151 +1234:
29152 + _ASM_EXTABLE(1234b, 2f)
29153 +#endif
29154 +
29155 cmpl %eax, %ecx
29156 je 3f
29157 1:
29158 @@ -168,6 +318,13 @@ BEGIN(inc_not_zero)
29159 1:
29160 addl $1, %eax
29161 adcl $0, %edx
29162 +
29163 +#ifdef CONFIG_PAX_REFCOUNT
29164 + into
29165 +1234:
29166 + _ASM_EXTABLE(1234b, 2f)
29167 +#endif
29168 +
29169 movl %eax, (v)
29170 movl %edx, 4(v)
29171 movl $1, %eax
29172 @@ -186,6 +343,13 @@ BEGIN(dec_if_positive)
29173 movl 4(v), %edx
29174 subl $1, %eax
29175 sbbl $0, %edx
29176 +
29177 +#ifdef CONFIG_PAX_REFCOUNT
29178 + into
29179 +1234:
29180 + _ASM_EXTABLE(1234b, 1f)
29181 +#endif
29182 +
29183 js 1f
29184 movl %eax, (v)
29185 movl %edx, 4(v)
29186 diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S
29187 index f5cc9eb..51fa319 100644
29188 --- a/arch/x86/lib/atomic64_cx8_32.S
29189 +++ b/arch/x86/lib/atomic64_cx8_32.S
29190 @@ -35,10 +35,20 @@ ENTRY(atomic64_read_cx8)
29191 CFI_STARTPROC
29192
29193 read64 %ecx
29194 + pax_force_retaddr
29195 ret
29196 CFI_ENDPROC
29197 ENDPROC(atomic64_read_cx8)
29198
29199 +ENTRY(atomic64_read_unchecked_cx8)
29200 + CFI_STARTPROC
29201 +
29202 + read64 %ecx
29203 + pax_force_retaddr
29204 + ret
29205 + CFI_ENDPROC
29206 +ENDPROC(atomic64_read_unchecked_cx8)
29207 +
29208 ENTRY(atomic64_set_cx8)
29209 CFI_STARTPROC
29210
29211 @@ -48,10 +58,25 @@ ENTRY(atomic64_set_cx8)
29212 cmpxchg8b (%esi)
29213 jne 1b
29214
29215 + pax_force_retaddr
29216 ret
29217 CFI_ENDPROC
29218 ENDPROC(atomic64_set_cx8)
29219
29220 +ENTRY(atomic64_set_unchecked_cx8)
29221 + CFI_STARTPROC
29222 +
29223 +1:
29224 +/* we don't need LOCK_PREFIX since aligned 64-bit writes
29225 + * are atomic on 586 and newer */
29226 + cmpxchg8b (%esi)
29227 + jne 1b
29228 +
29229 + pax_force_retaddr
29230 + ret
29231 + CFI_ENDPROC
29232 +ENDPROC(atomic64_set_unchecked_cx8)
29233 +
29234 ENTRY(atomic64_xchg_cx8)
29235 CFI_STARTPROC
29236
29237 @@ -60,12 +85,13 @@ ENTRY(atomic64_xchg_cx8)
29238 cmpxchg8b (%esi)
29239 jne 1b
29240
29241 + pax_force_retaddr
29242 ret
29243 CFI_ENDPROC
29244 ENDPROC(atomic64_xchg_cx8)
29245
29246 -.macro addsub_return func ins insc
29247 -ENTRY(atomic64_\func\()_return_cx8)
29248 +.macro addsub_return func ins insc unchecked=""
29249 +ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
29250 CFI_STARTPROC
29251 SAVE ebp
29252 SAVE ebx
29253 @@ -82,27 +108,44 @@ ENTRY(atomic64_\func\()_return_cx8)
29254 movl %edx, %ecx
29255 \ins\()l %esi, %ebx
29256 \insc\()l %edi, %ecx
29257 +
29258 +.ifb \unchecked
29259 +#ifdef CONFIG_PAX_REFCOUNT
29260 + into
29261 +2:
29262 + _ASM_EXTABLE(2b, 3f)
29263 +#endif
29264 +.endif
29265 +
29266 LOCK_PREFIX
29267 cmpxchg8b (%ebp)
29268 jne 1b
29269 -
29270 -10:
29271 movl %ebx, %eax
29272 movl %ecx, %edx
29273 +
29274 +.ifb \unchecked
29275 +#ifdef CONFIG_PAX_REFCOUNT
29276 +3:
29277 +#endif
29278 +.endif
29279 +
29280 RESTORE edi
29281 RESTORE esi
29282 RESTORE ebx
29283 RESTORE ebp
29284 + pax_force_retaddr
29285 ret
29286 CFI_ENDPROC
29287 -ENDPROC(atomic64_\func\()_return_cx8)
29288 +ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
29289 .endm
29290
29291 addsub_return add add adc
29292 addsub_return sub sub sbb
29293 +addsub_return add add adc _unchecked
29294 +addsub_return sub sub sbb _unchecked
29295
29296 -.macro incdec_return func ins insc
29297 -ENTRY(atomic64_\func\()_return_cx8)
29298 +.macro incdec_return func ins insc unchecked=""
29299 +ENTRY(atomic64_\func\()_return\unchecked\()_cx8)
29300 CFI_STARTPROC
29301 SAVE ebx
29302
29303 @@ -112,21 +155,39 @@ ENTRY(atomic64_\func\()_return_cx8)
29304 movl %edx, %ecx
29305 \ins\()l $1, %ebx
29306 \insc\()l $0, %ecx
29307 +
29308 +.ifb \unchecked
29309 +#ifdef CONFIG_PAX_REFCOUNT
29310 + into
29311 +2:
29312 + _ASM_EXTABLE(2b, 3f)
29313 +#endif
29314 +.endif
29315 +
29316 LOCK_PREFIX
29317 cmpxchg8b (%esi)
29318 jne 1b
29319
29320 -10:
29321 movl %ebx, %eax
29322 movl %ecx, %edx
29323 +
29324 +.ifb \unchecked
29325 +#ifdef CONFIG_PAX_REFCOUNT
29326 +3:
29327 +#endif
29328 +.endif
29329 +
29330 RESTORE ebx
29331 + pax_force_retaddr
29332 ret
29333 CFI_ENDPROC
29334 -ENDPROC(atomic64_\func\()_return_cx8)
29335 +ENDPROC(atomic64_\func\()_return\unchecked\()_cx8)
29336 .endm
29337
29338 incdec_return inc add adc
29339 incdec_return dec sub sbb
29340 +incdec_return inc add adc _unchecked
29341 +incdec_return dec sub sbb _unchecked
29342
29343 ENTRY(atomic64_dec_if_positive_cx8)
29344 CFI_STARTPROC
29345 @@ -138,6 +199,13 @@ ENTRY(atomic64_dec_if_positive_cx8)
29346 movl %edx, %ecx
29347 subl $1, %ebx
29348 sbb $0, %ecx
29349 +
29350 +#ifdef CONFIG_PAX_REFCOUNT
29351 + into
29352 +1234:
29353 + _ASM_EXTABLE(1234b, 2f)
29354 +#endif
29355 +
29356 js 2f
29357 LOCK_PREFIX
29358 cmpxchg8b (%esi)
29359 @@ -147,6 +215,7 @@ ENTRY(atomic64_dec_if_positive_cx8)
29360 movl %ebx, %eax
29361 movl %ecx, %edx
29362 RESTORE ebx
29363 + pax_force_retaddr
29364 ret
29365 CFI_ENDPROC
29366 ENDPROC(atomic64_dec_if_positive_cx8)
29367 @@ -171,6 +240,13 @@ ENTRY(atomic64_add_unless_cx8)
29368 movl %edx, %ecx
29369 addl %ebp, %ebx
29370 adcl %edi, %ecx
29371 +
29372 +#ifdef CONFIG_PAX_REFCOUNT
29373 + into
29374 +1234:
29375 + _ASM_EXTABLE(1234b, 3f)
29376 +#endif
29377 +
29378 LOCK_PREFIX
29379 cmpxchg8b (%esi)
29380 jne 1b
29381 @@ -181,6 +257,7 @@ ENTRY(atomic64_add_unless_cx8)
29382 CFI_ADJUST_CFA_OFFSET -8
29383 RESTORE ebx
29384 RESTORE ebp
29385 + pax_force_retaddr
29386 ret
29387 4:
29388 cmpl %edx, 4(%esp)
29389 @@ -203,6 +280,13 @@ ENTRY(atomic64_inc_not_zero_cx8)
29390 xorl %ecx, %ecx
29391 addl $1, %ebx
29392 adcl %edx, %ecx
29393 +
29394 +#ifdef CONFIG_PAX_REFCOUNT
29395 + into
29396 +1234:
29397 + _ASM_EXTABLE(1234b, 3f)
29398 +#endif
29399 +
29400 LOCK_PREFIX
29401 cmpxchg8b (%esi)
29402 jne 1b
29403 @@ -210,6 +294,7 @@ ENTRY(atomic64_inc_not_zero_cx8)
29404 movl $1, %eax
29405 3:
29406 RESTORE ebx
29407 + pax_force_retaddr
29408 ret
29409 CFI_ENDPROC
29410 ENDPROC(atomic64_inc_not_zero_cx8)
29411 diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
29412 index e78b8eee..7e173a8 100644
29413 --- a/arch/x86/lib/checksum_32.S
29414 +++ b/arch/x86/lib/checksum_32.S
29415 @@ -29,7 +29,8 @@
29416 #include <asm/dwarf2.h>
29417 #include <asm/errno.h>
29418 #include <asm/asm.h>
29419 -
29420 +#include <asm/segment.h>
29421 +
29422 /*
29423 * computes a partial checksum, e.g. for TCP/UDP fragments
29424 */
29425 @@ -293,9 +294,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst,
29426
29427 #define ARGBASE 16
29428 #define FP 12
29429 -
29430 -ENTRY(csum_partial_copy_generic)
29431 +
29432 +ENTRY(csum_partial_copy_generic_to_user)
29433 CFI_STARTPROC
29434 +
29435 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29436 + pushl_cfi %gs
29437 + popl_cfi %es
29438 + jmp csum_partial_copy_generic
29439 +#endif
29440 +
29441 +ENTRY(csum_partial_copy_generic_from_user)
29442 +
29443 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29444 + pushl_cfi %gs
29445 + popl_cfi %ds
29446 +#endif
29447 +
29448 +ENTRY(csum_partial_copy_generic)
29449 subl $4,%esp
29450 CFI_ADJUST_CFA_OFFSET 4
29451 pushl_cfi %edi
29452 @@ -317,7 +333,7 @@ ENTRY(csum_partial_copy_generic)
29453 jmp 4f
29454 SRC(1: movw (%esi), %bx )
29455 addl $2, %esi
29456 -DST( movw %bx, (%edi) )
29457 +DST( movw %bx, %es:(%edi) )
29458 addl $2, %edi
29459 addw %bx, %ax
29460 adcl $0, %eax
29461 @@ -329,30 +345,30 @@ DST( movw %bx, (%edi) )
29462 SRC(1: movl (%esi), %ebx )
29463 SRC( movl 4(%esi), %edx )
29464 adcl %ebx, %eax
29465 -DST( movl %ebx, (%edi) )
29466 +DST( movl %ebx, %es:(%edi) )
29467 adcl %edx, %eax
29468 -DST( movl %edx, 4(%edi) )
29469 +DST( movl %edx, %es:4(%edi) )
29470
29471 SRC( movl 8(%esi), %ebx )
29472 SRC( movl 12(%esi), %edx )
29473 adcl %ebx, %eax
29474 -DST( movl %ebx, 8(%edi) )
29475 +DST( movl %ebx, %es:8(%edi) )
29476 adcl %edx, %eax
29477 -DST( movl %edx, 12(%edi) )
29478 +DST( movl %edx, %es:12(%edi) )
29479
29480 SRC( movl 16(%esi), %ebx )
29481 SRC( movl 20(%esi), %edx )
29482 adcl %ebx, %eax
29483 -DST( movl %ebx, 16(%edi) )
29484 +DST( movl %ebx, %es:16(%edi) )
29485 adcl %edx, %eax
29486 -DST( movl %edx, 20(%edi) )
29487 +DST( movl %edx, %es:20(%edi) )
29488
29489 SRC( movl 24(%esi), %ebx )
29490 SRC( movl 28(%esi), %edx )
29491 adcl %ebx, %eax
29492 -DST( movl %ebx, 24(%edi) )
29493 +DST( movl %ebx, %es:24(%edi) )
29494 adcl %edx, %eax
29495 -DST( movl %edx, 28(%edi) )
29496 +DST( movl %edx, %es:28(%edi) )
29497
29498 lea 32(%esi), %esi
29499 lea 32(%edi), %edi
29500 @@ -366,7 +382,7 @@ DST( movl %edx, 28(%edi) )
29501 shrl $2, %edx # This clears CF
29502 SRC(3: movl (%esi), %ebx )
29503 adcl %ebx, %eax
29504 -DST( movl %ebx, (%edi) )
29505 +DST( movl %ebx, %es:(%edi) )
29506 lea 4(%esi), %esi
29507 lea 4(%edi), %edi
29508 dec %edx
29509 @@ -378,12 +394,12 @@ DST( movl %ebx, (%edi) )
29510 jb 5f
29511 SRC( movw (%esi), %cx )
29512 leal 2(%esi), %esi
29513 -DST( movw %cx, (%edi) )
29514 +DST( movw %cx, %es:(%edi) )
29515 leal 2(%edi), %edi
29516 je 6f
29517 shll $16,%ecx
29518 SRC(5: movb (%esi), %cl )
29519 -DST( movb %cl, (%edi) )
29520 +DST( movb %cl, %es:(%edi) )
29521 6: addl %ecx, %eax
29522 adcl $0, %eax
29523 7:
29524 @@ -394,7 +410,7 @@ DST( movb %cl, (%edi) )
29525
29526 6001:
29527 movl ARGBASE+20(%esp), %ebx # src_err_ptr
29528 - movl $-EFAULT, (%ebx)
29529 + movl $-EFAULT, %ss:(%ebx)
29530
29531 # zero the complete destination - computing the rest
29532 # is too much work
29533 @@ -407,11 +423,15 @@ DST( movb %cl, (%edi) )
29534
29535 6002:
29536 movl ARGBASE+24(%esp), %ebx # dst_err_ptr
29537 - movl $-EFAULT,(%ebx)
29538 + movl $-EFAULT,%ss:(%ebx)
29539 jmp 5000b
29540
29541 .previous
29542
29543 + pushl_cfi %ss
29544 + popl_cfi %ds
29545 + pushl_cfi %ss
29546 + popl_cfi %es
29547 popl_cfi %ebx
29548 CFI_RESTORE ebx
29549 popl_cfi %esi
29550 @@ -421,26 +441,43 @@ DST( movb %cl, (%edi) )
29551 popl_cfi %ecx # equivalent to addl $4,%esp
29552 ret
29553 CFI_ENDPROC
29554 -ENDPROC(csum_partial_copy_generic)
29555 +ENDPROC(csum_partial_copy_generic_to_user)
29556
29557 #else
29558
29559 /* Version for PentiumII/PPro */
29560
29561 #define ROUND1(x) \
29562 + nop; nop; nop; \
29563 SRC(movl x(%esi), %ebx ) ; \
29564 addl %ebx, %eax ; \
29565 - DST(movl %ebx, x(%edi) ) ;
29566 + DST(movl %ebx, %es:x(%edi)) ;
29567
29568 #define ROUND(x) \
29569 + nop; nop; nop; \
29570 SRC(movl x(%esi), %ebx ) ; \
29571 adcl %ebx, %eax ; \
29572 - DST(movl %ebx, x(%edi) ) ;
29573 + DST(movl %ebx, %es:x(%edi)) ;
29574
29575 #define ARGBASE 12
29576 -
29577 -ENTRY(csum_partial_copy_generic)
29578 +
29579 +ENTRY(csum_partial_copy_generic_to_user)
29580 CFI_STARTPROC
29581 +
29582 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29583 + pushl_cfi %gs
29584 + popl_cfi %es
29585 + jmp csum_partial_copy_generic
29586 +#endif
29587 +
29588 +ENTRY(csum_partial_copy_generic_from_user)
29589 +
29590 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29591 + pushl_cfi %gs
29592 + popl_cfi %ds
29593 +#endif
29594 +
29595 +ENTRY(csum_partial_copy_generic)
29596 pushl_cfi %ebx
29597 CFI_REL_OFFSET ebx, 0
29598 pushl_cfi %edi
29599 @@ -461,7 +498,7 @@ ENTRY(csum_partial_copy_generic)
29600 subl %ebx, %edi
29601 lea -1(%esi),%edx
29602 andl $-32,%edx
29603 - lea 3f(%ebx,%ebx), %ebx
29604 + lea 3f(%ebx,%ebx,2), %ebx
29605 testl %esi, %esi
29606 jmp *%ebx
29607 1: addl $64,%esi
29608 @@ -482,19 +519,19 @@ ENTRY(csum_partial_copy_generic)
29609 jb 5f
29610 SRC( movw (%esi), %dx )
29611 leal 2(%esi), %esi
29612 -DST( movw %dx, (%edi) )
29613 +DST( movw %dx, %es:(%edi) )
29614 leal 2(%edi), %edi
29615 je 6f
29616 shll $16,%edx
29617 5:
29618 SRC( movb (%esi), %dl )
29619 -DST( movb %dl, (%edi) )
29620 +DST( movb %dl, %es:(%edi) )
29621 6: addl %edx, %eax
29622 adcl $0, %eax
29623 7:
29624 .section .fixup, "ax"
29625 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr
29626 - movl $-EFAULT, (%ebx)
29627 + movl $-EFAULT, %ss:(%ebx)
29628 # zero the complete destination (computing the rest is too much work)
29629 movl ARGBASE+8(%esp),%edi # dst
29630 movl ARGBASE+12(%esp),%ecx # len
29631 @@ -502,10 +539,17 @@ DST( movb %dl, (%edi) )
29632 rep; stosb
29633 jmp 7b
29634 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr
29635 - movl $-EFAULT, (%ebx)
29636 + movl $-EFAULT, %ss:(%ebx)
29637 jmp 7b
29638 .previous
29639
29640 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29641 + pushl_cfi %ss
29642 + popl_cfi %ds
29643 + pushl_cfi %ss
29644 + popl_cfi %es
29645 +#endif
29646 +
29647 popl_cfi %esi
29648 CFI_RESTORE esi
29649 popl_cfi %edi
29650 @@ -514,7 +558,7 @@ DST( movb %dl, (%edi) )
29651 CFI_RESTORE ebx
29652 ret
29653 CFI_ENDPROC
29654 -ENDPROC(csum_partial_copy_generic)
29655 +ENDPROC(csum_partial_copy_generic_to_user)
29656
29657 #undef ROUND
29658 #undef ROUND1
29659 diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S
29660 index f2145cf..cea889d 100644
29661 --- a/arch/x86/lib/clear_page_64.S
29662 +++ b/arch/x86/lib/clear_page_64.S
29663 @@ -11,6 +11,7 @@ ENTRY(clear_page_c)
29664 movl $4096/8,%ecx
29665 xorl %eax,%eax
29666 rep stosq
29667 + pax_force_retaddr
29668 ret
29669 CFI_ENDPROC
29670 ENDPROC(clear_page_c)
29671 @@ -20,6 +21,7 @@ ENTRY(clear_page_c_e)
29672 movl $4096,%ecx
29673 xorl %eax,%eax
29674 rep stosb
29675 + pax_force_retaddr
29676 ret
29677 CFI_ENDPROC
29678 ENDPROC(clear_page_c_e)
29679 @@ -43,6 +45,7 @@ ENTRY(clear_page)
29680 leaq 64(%rdi),%rdi
29681 jnz .Lloop
29682 nop
29683 + pax_force_retaddr
29684 ret
29685 CFI_ENDPROC
29686 .Lclear_page_end:
29687 @@ -58,7 +61,7 @@ ENDPROC(clear_page)
29688
29689 #include <asm/cpufeature.h>
29690
29691 - .section .altinstr_replacement,"ax"
29692 + .section .altinstr_replacement,"a"
29693 1: .byte 0xeb /* jmp <disp8> */
29694 .byte (clear_page_c - clear_page) - (2f - 1b) /* offset */
29695 2: .byte 0xeb /* jmp <disp8> */
29696 diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S
29697 index 40a1725..5d12ac4 100644
29698 --- a/arch/x86/lib/cmpxchg16b_emu.S
29699 +++ b/arch/x86/lib/cmpxchg16b_emu.S
29700 @@ -8,6 +8,7 @@
29701 #include <linux/linkage.h>
29702 #include <asm/dwarf2.h>
29703 #include <asm/percpu.h>
29704 +#include <asm/alternative-asm.h>
29705
29706 .text
29707
29708 @@ -46,12 +47,14 @@ CFI_STARTPROC
29709 CFI_REMEMBER_STATE
29710 popfq_cfi
29711 mov $1, %al
29712 + pax_force_retaddr
29713 ret
29714
29715 CFI_RESTORE_STATE
29716 .Lnot_same:
29717 popfq_cfi
29718 xor %al,%al
29719 + pax_force_retaddr
29720 ret
29721
29722 CFI_ENDPROC
29723 diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S
29724 index 176cca6..e0d658e 100644
29725 --- a/arch/x86/lib/copy_page_64.S
29726 +++ b/arch/x86/lib/copy_page_64.S
29727 @@ -9,6 +9,7 @@ copy_page_rep:
29728 CFI_STARTPROC
29729 movl $4096/8, %ecx
29730 rep movsq
29731 + pax_force_retaddr
29732 ret
29733 CFI_ENDPROC
29734 ENDPROC(copy_page_rep)
29735 @@ -24,8 +25,8 @@ ENTRY(copy_page)
29736 CFI_ADJUST_CFA_OFFSET 2*8
29737 movq %rbx, (%rsp)
29738 CFI_REL_OFFSET rbx, 0
29739 - movq %r12, 1*8(%rsp)
29740 - CFI_REL_OFFSET r12, 1*8
29741 + movq %r13, 1*8(%rsp)
29742 + CFI_REL_OFFSET r13, 1*8
29743
29744 movl $(4096/64)-5, %ecx
29745 .p2align 4
29746 @@ -38,7 +39,7 @@ ENTRY(copy_page)
29747 movq 0x8*4(%rsi), %r9
29748 movq 0x8*5(%rsi), %r10
29749 movq 0x8*6(%rsi), %r11
29750 - movq 0x8*7(%rsi), %r12
29751 + movq 0x8*7(%rsi), %r13
29752
29753 prefetcht0 5*64(%rsi)
29754
29755 @@ -49,7 +50,7 @@ ENTRY(copy_page)
29756 movq %r9, 0x8*4(%rdi)
29757 movq %r10, 0x8*5(%rdi)
29758 movq %r11, 0x8*6(%rdi)
29759 - movq %r12, 0x8*7(%rdi)
29760 + movq %r13, 0x8*7(%rdi)
29761
29762 leaq 64 (%rsi), %rsi
29763 leaq 64 (%rdi), %rdi
29764 @@ -68,7 +69,7 @@ ENTRY(copy_page)
29765 movq 0x8*4(%rsi), %r9
29766 movq 0x8*5(%rsi), %r10
29767 movq 0x8*6(%rsi), %r11
29768 - movq 0x8*7(%rsi), %r12
29769 + movq 0x8*7(%rsi), %r13
29770
29771 movq %rax, 0x8*0(%rdi)
29772 movq %rbx, 0x8*1(%rdi)
29773 @@ -77,7 +78,7 @@ ENTRY(copy_page)
29774 movq %r9, 0x8*4(%rdi)
29775 movq %r10, 0x8*5(%rdi)
29776 movq %r11, 0x8*6(%rdi)
29777 - movq %r12, 0x8*7(%rdi)
29778 + movq %r13, 0x8*7(%rdi)
29779
29780 leaq 64(%rdi), %rdi
29781 leaq 64(%rsi), %rsi
29782 @@ -85,10 +86,11 @@ ENTRY(copy_page)
29783
29784 movq (%rsp), %rbx
29785 CFI_RESTORE rbx
29786 - movq 1*8(%rsp), %r12
29787 - CFI_RESTORE r12
29788 + movq 1*8(%rsp), %r13
29789 + CFI_RESTORE r13
29790 addq $2*8, %rsp
29791 CFI_ADJUST_CFA_OFFSET -2*8
29792 + pax_force_retaddr
29793 ret
29794 .Lcopy_page_end:
29795 CFI_ENDPROC
29796 @@ -99,7 +101,7 @@ ENDPROC(copy_page)
29797
29798 #include <asm/cpufeature.h>
29799
29800 - .section .altinstr_replacement,"ax"
29801 + .section .altinstr_replacement,"a"
29802 1: .byte 0xeb /* jmp <disp8> */
29803 .byte (copy_page_rep - copy_page) - (2f - 1b) /* offset */
29804 2:
29805 diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
29806 index dee945d..a84067b 100644
29807 --- a/arch/x86/lib/copy_user_64.S
29808 +++ b/arch/x86/lib/copy_user_64.S
29809 @@ -18,31 +18,7 @@
29810 #include <asm/alternative-asm.h>
29811 #include <asm/asm.h>
29812 #include <asm/smap.h>
29813 -
29814 -/*
29815 - * By placing feature2 after feature1 in altinstructions section, we logically
29816 - * implement:
29817 - * If CPU has feature2, jmp to alt2 is used
29818 - * else if CPU has feature1, jmp to alt1 is used
29819 - * else jmp to orig is used.
29820 - */
29821 - .macro ALTERNATIVE_JUMP feature1,feature2,orig,alt1,alt2
29822 -0:
29823 - .byte 0xe9 /* 32bit jump */
29824 - .long \orig-1f /* by default jump to orig */
29825 -1:
29826 - .section .altinstr_replacement,"ax"
29827 -2: .byte 0xe9 /* near jump with 32bit immediate */
29828 - .long \alt1-1b /* offset */ /* or alternatively to alt1 */
29829 -3: .byte 0xe9 /* near jump with 32bit immediate */
29830 - .long \alt2-1b /* offset */ /* or alternatively to alt2 */
29831 - .previous
29832 -
29833 - .section .altinstructions,"a"
29834 - altinstruction_entry 0b,2b,\feature1,5,5
29835 - altinstruction_entry 0b,3b,\feature2,5,5
29836 - .previous
29837 - .endm
29838 +#include <asm/pgtable.h>
29839
29840 .macro ALIGN_DESTINATION
29841 #ifdef FIX_ALIGNMENT
29842 @@ -70,52 +46,6 @@
29843 #endif
29844 .endm
29845
29846 -/* Standard copy_to_user with segment limit checking */
29847 -ENTRY(_copy_to_user)
29848 - CFI_STARTPROC
29849 - GET_THREAD_INFO(%rax)
29850 - movq %rdi,%rcx
29851 - addq %rdx,%rcx
29852 - jc bad_to_user
29853 - cmpq TI_addr_limit(%rax),%rcx
29854 - ja bad_to_user
29855 - ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
29856 - copy_user_generic_unrolled,copy_user_generic_string, \
29857 - copy_user_enhanced_fast_string
29858 - CFI_ENDPROC
29859 -ENDPROC(_copy_to_user)
29860 -
29861 -/* Standard copy_from_user with segment limit checking */
29862 -ENTRY(_copy_from_user)
29863 - CFI_STARTPROC
29864 - GET_THREAD_INFO(%rax)
29865 - movq %rsi,%rcx
29866 - addq %rdx,%rcx
29867 - jc bad_from_user
29868 - cmpq TI_addr_limit(%rax),%rcx
29869 - ja bad_from_user
29870 - ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \
29871 - copy_user_generic_unrolled,copy_user_generic_string, \
29872 - copy_user_enhanced_fast_string
29873 - CFI_ENDPROC
29874 -ENDPROC(_copy_from_user)
29875 -
29876 - .section .fixup,"ax"
29877 - /* must zero dest */
29878 -ENTRY(bad_from_user)
29879 -bad_from_user:
29880 - CFI_STARTPROC
29881 - movl %edx,%ecx
29882 - xorl %eax,%eax
29883 - rep
29884 - stosb
29885 -bad_to_user:
29886 - movl %edx,%eax
29887 - ret
29888 - CFI_ENDPROC
29889 -ENDPROC(bad_from_user)
29890 - .previous
29891 -
29892 /*
29893 * copy_user_generic_unrolled - memory copy with exception handling.
29894 * This version is for CPUs like P4 that don't have efficient micro
29895 @@ -131,6 +61,7 @@ ENDPROC(bad_from_user)
29896 */
29897 ENTRY(copy_user_generic_unrolled)
29898 CFI_STARTPROC
29899 + ASM_PAX_OPEN_USERLAND
29900 ASM_STAC
29901 cmpl $8,%edx
29902 jb 20f /* less then 8 bytes, go to byte copy loop */
29903 @@ -180,6 +111,8 @@ ENTRY(copy_user_generic_unrolled)
29904 jnz 21b
29905 23: xor %eax,%eax
29906 ASM_CLAC
29907 + ASM_PAX_CLOSE_USERLAND
29908 + pax_force_retaddr
29909 ret
29910
29911 .section .fixup,"ax"
29912 @@ -235,6 +168,7 @@ ENDPROC(copy_user_generic_unrolled)
29913 */
29914 ENTRY(copy_user_generic_string)
29915 CFI_STARTPROC
29916 + ASM_PAX_OPEN_USERLAND
29917 ASM_STAC
29918 cmpl $8,%edx
29919 jb 2f /* less than 8 bytes, go to byte copy loop */
29920 @@ -249,6 +183,8 @@ ENTRY(copy_user_generic_string)
29921 movsb
29922 xorl %eax,%eax
29923 ASM_CLAC
29924 + ASM_PAX_CLOSE_USERLAND
29925 + pax_force_retaddr
29926 ret
29927
29928 .section .fixup,"ax"
29929 @@ -276,12 +212,15 @@ ENDPROC(copy_user_generic_string)
29930 */
29931 ENTRY(copy_user_enhanced_fast_string)
29932 CFI_STARTPROC
29933 + ASM_PAX_OPEN_USERLAND
29934 ASM_STAC
29935 movl %edx,%ecx
29936 1: rep
29937 movsb
29938 xorl %eax,%eax
29939 ASM_CLAC
29940 + ASM_PAX_CLOSE_USERLAND
29941 + pax_force_retaddr
29942 ret
29943
29944 .section .fixup,"ax"
29945 diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
29946 index 6a4f43c..c70fb52 100644
29947 --- a/arch/x86/lib/copy_user_nocache_64.S
29948 +++ b/arch/x86/lib/copy_user_nocache_64.S
29949 @@ -8,6 +8,7 @@
29950
29951 #include <linux/linkage.h>
29952 #include <asm/dwarf2.h>
29953 +#include <asm/alternative-asm.h>
29954
29955 #define FIX_ALIGNMENT 1
29956
29957 @@ -16,6 +17,7 @@
29958 #include <asm/thread_info.h>
29959 #include <asm/asm.h>
29960 #include <asm/smap.h>
29961 +#include <asm/pgtable.h>
29962
29963 .macro ALIGN_DESTINATION
29964 #ifdef FIX_ALIGNMENT
29965 @@ -49,6 +51,16 @@
29966 */
29967 ENTRY(__copy_user_nocache)
29968 CFI_STARTPROC
29969 +
29970 +#ifdef CONFIG_PAX_MEMORY_UDEREF
29971 + mov pax_user_shadow_base,%rcx
29972 + cmp %rcx,%rsi
29973 + jae 1f
29974 + add %rcx,%rsi
29975 +1:
29976 +#endif
29977 +
29978 + ASM_PAX_OPEN_USERLAND
29979 ASM_STAC
29980 cmpl $8,%edx
29981 jb 20f /* less then 8 bytes, go to byte copy loop */
29982 @@ -98,7 +110,9 @@ ENTRY(__copy_user_nocache)
29983 jnz 21b
29984 23: xorl %eax,%eax
29985 ASM_CLAC
29986 + ASM_PAX_CLOSE_USERLAND
29987 sfence
29988 + pax_force_retaddr
29989 ret
29990
29991 .section .fixup,"ax"
29992 diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S
29993 index 2419d5f..fe52d0e 100644
29994 --- a/arch/x86/lib/csum-copy_64.S
29995 +++ b/arch/x86/lib/csum-copy_64.S
29996 @@ -9,6 +9,7 @@
29997 #include <asm/dwarf2.h>
29998 #include <asm/errno.h>
29999 #include <asm/asm.h>
30000 +#include <asm/alternative-asm.h>
30001
30002 /*
30003 * Checksum copy with exception handling.
30004 @@ -56,8 +57,8 @@ ENTRY(csum_partial_copy_generic)
30005 CFI_ADJUST_CFA_OFFSET 7*8
30006 movq %rbx, 2*8(%rsp)
30007 CFI_REL_OFFSET rbx, 2*8
30008 - movq %r12, 3*8(%rsp)
30009 - CFI_REL_OFFSET r12, 3*8
30010 + movq %r15, 3*8(%rsp)
30011 + CFI_REL_OFFSET r15, 3*8
30012 movq %r14, 4*8(%rsp)
30013 CFI_REL_OFFSET r14, 4*8
30014 movq %r13, 5*8(%rsp)
30015 @@ -72,16 +73,16 @@ ENTRY(csum_partial_copy_generic)
30016 movl %edx, %ecx
30017
30018 xorl %r9d, %r9d
30019 - movq %rcx, %r12
30020 + movq %rcx, %r15
30021
30022 - shrq $6, %r12
30023 + shrq $6, %r15
30024 jz .Lhandle_tail /* < 64 */
30025
30026 clc
30027
30028 /* main loop. clear in 64 byte blocks */
30029 /* r9: zero, r8: temp2, rbx: temp1, rax: sum, rcx: saved length */
30030 - /* r11: temp3, rdx: temp4, r12 loopcnt */
30031 + /* r11: temp3, rdx: temp4, r15 loopcnt */
30032 /* r10: temp5, rbp: temp6, r14 temp7, r13 temp8 */
30033 .p2align 4
30034 .Lloop:
30035 @@ -115,7 +116,7 @@ ENTRY(csum_partial_copy_generic)
30036 adcq %r14, %rax
30037 adcq %r13, %rax
30038
30039 - decl %r12d
30040 + decl %r15d
30041
30042 dest
30043 movq %rbx, (%rsi)
30044 @@ -210,8 +211,8 @@ ENTRY(csum_partial_copy_generic)
30045 .Lende:
30046 movq 2*8(%rsp), %rbx
30047 CFI_RESTORE rbx
30048 - movq 3*8(%rsp), %r12
30049 - CFI_RESTORE r12
30050 + movq 3*8(%rsp), %r15
30051 + CFI_RESTORE r15
30052 movq 4*8(%rsp), %r14
30053 CFI_RESTORE r14
30054 movq 5*8(%rsp), %r13
30055 @@ -220,6 +221,7 @@ ENTRY(csum_partial_copy_generic)
30056 CFI_RESTORE rbp
30057 addq $7*8, %rsp
30058 CFI_ADJUST_CFA_OFFSET -7*8
30059 + pax_force_retaddr
30060 ret
30061 CFI_RESTORE_STATE
30062
30063 diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
30064 index 1318f75..44c30fd 100644
30065 --- a/arch/x86/lib/csum-wrappers_64.c
30066 +++ b/arch/x86/lib/csum-wrappers_64.c
30067 @@ -52,10 +52,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
30068 len -= 2;
30069 }
30070 }
30071 + pax_open_userland();
30072 stac();
30073 - isum = csum_partial_copy_generic((__force const void *)src,
30074 + isum = csum_partial_copy_generic((const void __force_kernel *)____m(src),
30075 dst, len, isum, errp, NULL);
30076 clac();
30077 + pax_close_userland();
30078 if (unlikely(*errp))
30079 goto out_err;
30080
30081 @@ -109,10 +111,12 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
30082 }
30083
30084 *errp = 0;
30085 + pax_open_userland();
30086 stac();
30087 - ret = csum_partial_copy_generic(src, (void __force *)dst,
30088 + ret = csum_partial_copy_generic(src, (void __force_kernel *)____m(dst),
30089 len, isum, NULL, errp);
30090 clac();
30091 + pax_close_userland();
30092 return ret;
30093 }
30094 EXPORT_SYMBOL(csum_partial_copy_to_user);
30095 diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
30096 index a451235..1daa956 100644
30097 --- a/arch/x86/lib/getuser.S
30098 +++ b/arch/x86/lib/getuser.S
30099 @@ -33,17 +33,40 @@
30100 #include <asm/thread_info.h>
30101 #include <asm/asm.h>
30102 #include <asm/smap.h>
30103 +#include <asm/segment.h>
30104 +#include <asm/pgtable.h>
30105 +#include <asm/alternative-asm.h>
30106 +
30107 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
30108 +#define __copyuser_seg gs;
30109 +#else
30110 +#define __copyuser_seg
30111 +#endif
30112
30113 .text
30114 ENTRY(__get_user_1)
30115 CFI_STARTPROC
30116 +
30117 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30118 GET_THREAD_INFO(%_ASM_DX)
30119 cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
30120 jae bad_get_user
30121 ASM_STAC
30122 -1: movzbl (%_ASM_AX),%edx
30123 +
30124 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30125 + mov pax_user_shadow_base,%_ASM_DX
30126 + cmp %_ASM_DX,%_ASM_AX
30127 + jae 1234f
30128 + add %_ASM_DX,%_ASM_AX
30129 +1234:
30130 +#endif
30131 +
30132 +#endif
30133 +
30134 +1: __copyuser_seg movzbl (%_ASM_AX),%edx
30135 xor %eax,%eax
30136 ASM_CLAC
30137 + pax_force_retaddr
30138 ret
30139 CFI_ENDPROC
30140 ENDPROC(__get_user_1)
30141 @@ -51,14 +74,28 @@ ENDPROC(__get_user_1)
30142 ENTRY(__get_user_2)
30143 CFI_STARTPROC
30144 add $1,%_ASM_AX
30145 +
30146 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30147 jc bad_get_user
30148 GET_THREAD_INFO(%_ASM_DX)
30149 cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
30150 jae bad_get_user
30151 ASM_STAC
30152 -2: movzwl -1(%_ASM_AX),%edx
30153 +
30154 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30155 + mov pax_user_shadow_base,%_ASM_DX
30156 + cmp %_ASM_DX,%_ASM_AX
30157 + jae 1234f
30158 + add %_ASM_DX,%_ASM_AX
30159 +1234:
30160 +#endif
30161 +
30162 +#endif
30163 +
30164 +2: __copyuser_seg movzwl -1(%_ASM_AX),%edx
30165 xor %eax,%eax
30166 ASM_CLAC
30167 + pax_force_retaddr
30168 ret
30169 CFI_ENDPROC
30170 ENDPROC(__get_user_2)
30171 @@ -66,14 +103,28 @@ ENDPROC(__get_user_2)
30172 ENTRY(__get_user_4)
30173 CFI_STARTPROC
30174 add $3,%_ASM_AX
30175 +
30176 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30177 jc bad_get_user
30178 GET_THREAD_INFO(%_ASM_DX)
30179 cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
30180 jae bad_get_user
30181 ASM_STAC
30182 -3: movl -3(%_ASM_AX),%edx
30183 +
30184 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30185 + mov pax_user_shadow_base,%_ASM_DX
30186 + cmp %_ASM_DX,%_ASM_AX
30187 + jae 1234f
30188 + add %_ASM_DX,%_ASM_AX
30189 +1234:
30190 +#endif
30191 +
30192 +#endif
30193 +
30194 +3: __copyuser_seg movl -3(%_ASM_AX),%edx
30195 xor %eax,%eax
30196 ASM_CLAC
30197 + pax_force_retaddr
30198 ret
30199 CFI_ENDPROC
30200 ENDPROC(__get_user_4)
30201 @@ -86,10 +137,20 @@ ENTRY(__get_user_8)
30202 GET_THREAD_INFO(%_ASM_DX)
30203 cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
30204 jae bad_get_user
30205 +
30206 +#ifdef CONFIG_PAX_MEMORY_UDEREF
30207 + mov pax_user_shadow_base,%_ASM_DX
30208 + cmp %_ASM_DX,%_ASM_AX
30209 + jae 1234f
30210 + add %_ASM_DX,%_ASM_AX
30211 +1234:
30212 +#endif
30213 +
30214 ASM_STAC
30215 4: movq -7(%_ASM_AX),%rdx
30216 xor %eax,%eax
30217 ASM_CLAC
30218 + pax_force_retaddr
30219 ret
30220 #else
30221 add $7,%_ASM_AX
30222 @@ -98,10 +159,11 @@ ENTRY(__get_user_8)
30223 cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
30224 jae bad_get_user_8
30225 ASM_STAC
30226 -4: movl -7(%_ASM_AX),%edx
30227 -5: movl -3(%_ASM_AX),%ecx
30228 +4: __copyuser_seg movl -7(%_ASM_AX),%edx
30229 +5: __copyuser_seg movl -3(%_ASM_AX),%ecx
30230 xor %eax,%eax
30231 ASM_CLAC
30232 + pax_force_retaddr
30233 ret
30234 #endif
30235 CFI_ENDPROC
30236 @@ -113,6 +175,7 @@ bad_get_user:
30237 xor %edx,%edx
30238 mov $(-EFAULT),%_ASM_AX
30239 ASM_CLAC
30240 + pax_force_retaddr
30241 ret
30242 CFI_ENDPROC
30243 END(bad_get_user)
30244 @@ -124,6 +187,7 @@ bad_get_user_8:
30245 xor %ecx,%ecx
30246 mov $(-EFAULT),%_ASM_AX
30247 ASM_CLAC
30248 + pax_force_retaddr
30249 ret
30250 CFI_ENDPROC
30251 END(bad_get_user_8)
30252 diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
30253 index 54fcffe..7be149e 100644
30254 --- a/arch/x86/lib/insn.c
30255 +++ b/arch/x86/lib/insn.c
30256 @@ -20,8 +20,10 @@
30257
30258 #ifdef __KERNEL__
30259 #include <linux/string.h>
30260 +#include <asm/pgtable_types.h>
30261 #else
30262 #include <string.h>
30263 +#define ktla_ktva(addr) addr
30264 #endif
30265 #include <asm/inat.h>
30266 #include <asm/insn.h>
30267 @@ -53,8 +55,8 @@
30268 void insn_init(struct insn *insn, const void *kaddr, int x86_64)
30269 {
30270 memset(insn, 0, sizeof(*insn));
30271 - insn->kaddr = kaddr;
30272 - insn->next_byte = kaddr;
30273 + insn->kaddr = ktla_ktva(kaddr);
30274 + insn->next_byte = ktla_ktva(kaddr);
30275 insn->x86_64 = x86_64 ? 1 : 0;
30276 insn->opnd_bytes = 4;
30277 if (x86_64)
30278 diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S
30279 index 05a95e7..326f2fa 100644
30280 --- a/arch/x86/lib/iomap_copy_64.S
30281 +++ b/arch/x86/lib/iomap_copy_64.S
30282 @@ -17,6 +17,7 @@
30283
30284 #include <linux/linkage.h>
30285 #include <asm/dwarf2.h>
30286 +#include <asm/alternative-asm.h>
30287
30288 /*
30289 * override generic version in lib/iomap_copy.c
30290 @@ -25,6 +26,7 @@ ENTRY(__iowrite32_copy)
30291 CFI_STARTPROC
30292 movl %edx,%ecx
30293 rep movsd
30294 + pax_force_retaddr
30295 ret
30296 CFI_ENDPROC
30297 ENDPROC(__iowrite32_copy)
30298 diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
30299 index 56313a3..0db417e 100644
30300 --- a/arch/x86/lib/memcpy_64.S
30301 +++ b/arch/x86/lib/memcpy_64.S
30302 @@ -24,7 +24,7 @@
30303 * This gets patched over the unrolled variant (below) via the
30304 * alternative instructions framework:
30305 */
30306 - .section .altinstr_replacement, "ax", @progbits
30307 + .section .altinstr_replacement, "a", @progbits
30308 .Lmemcpy_c:
30309 movq %rdi, %rax
30310 movq %rdx, %rcx
30311 @@ -33,6 +33,7 @@
30312 rep movsq
30313 movl %edx, %ecx
30314 rep movsb
30315 + pax_force_retaddr
30316 ret
30317 .Lmemcpy_e:
30318 .previous
30319 @@ -44,11 +45,12 @@
30320 * This gets patched over the unrolled variant (below) via the
30321 * alternative instructions framework:
30322 */
30323 - .section .altinstr_replacement, "ax", @progbits
30324 + .section .altinstr_replacement, "a", @progbits
30325 .Lmemcpy_c_e:
30326 movq %rdi, %rax
30327 movq %rdx, %rcx
30328 rep movsb
30329 + pax_force_retaddr
30330 ret
30331 .Lmemcpy_e_e:
30332 .previous
30333 @@ -136,6 +138,7 @@ ENTRY(memcpy)
30334 movq %r9, 1*8(%rdi)
30335 movq %r10, -2*8(%rdi, %rdx)
30336 movq %r11, -1*8(%rdi, %rdx)
30337 + pax_force_retaddr
30338 retq
30339 .p2align 4
30340 .Lless_16bytes:
30341 @@ -148,6 +151,7 @@ ENTRY(memcpy)
30342 movq -1*8(%rsi, %rdx), %r9
30343 movq %r8, 0*8(%rdi)
30344 movq %r9, -1*8(%rdi, %rdx)
30345 + pax_force_retaddr
30346 retq
30347 .p2align 4
30348 .Lless_8bytes:
30349 @@ -161,6 +165,7 @@ ENTRY(memcpy)
30350 movl -4(%rsi, %rdx), %r8d
30351 movl %ecx, (%rdi)
30352 movl %r8d, -4(%rdi, %rdx)
30353 + pax_force_retaddr
30354 retq
30355 .p2align 4
30356 .Lless_3bytes:
30357 @@ -179,6 +184,7 @@ ENTRY(memcpy)
30358 movb %cl, (%rdi)
30359
30360 .Lend:
30361 + pax_force_retaddr
30362 retq
30363 CFI_ENDPROC
30364 ENDPROC(memcpy)
30365 diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
30366 index 65268a6..dd1de11 100644
30367 --- a/arch/x86/lib/memmove_64.S
30368 +++ b/arch/x86/lib/memmove_64.S
30369 @@ -202,14 +202,16 @@ ENTRY(memmove)
30370 movb (%rsi), %r11b
30371 movb %r11b, (%rdi)
30372 13:
30373 + pax_force_retaddr
30374 retq
30375 CFI_ENDPROC
30376
30377 - .section .altinstr_replacement,"ax"
30378 + .section .altinstr_replacement,"a"
30379 .Lmemmove_begin_forward_efs:
30380 /* Forward moving data. */
30381 movq %rdx, %rcx
30382 rep movsb
30383 + pax_force_retaddr
30384 retq
30385 .Lmemmove_end_forward_efs:
30386 .previous
30387 diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S
30388 index 2dcb380..2eb79fe 100644
30389 --- a/arch/x86/lib/memset_64.S
30390 +++ b/arch/x86/lib/memset_64.S
30391 @@ -16,7 +16,7 @@
30392 *
30393 * rax original destination
30394 */
30395 - .section .altinstr_replacement, "ax", @progbits
30396 + .section .altinstr_replacement, "a", @progbits
30397 .Lmemset_c:
30398 movq %rdi,%r9
30399 movq %rdx,%rcx
30400 @@ -30,6 +30,7 @@
30401 movl %edx,%ecx
30402 rep stosb
30403 movq %r9,%rax
30404 + pax_force_retaddr
30405 ret
30406 .Lmemset_e:
30407 .previous
30408 @@ -45,13 +46,14 @@
30409 *
30410 * rax original destination
30411 */
30412 - .section .altinstr_replacement, "ax", @progbits
30413 + .section .altinstr_replacement, "a", @progbits
30414 .Lmemset_c_e:
30415 movq %rdi,%r9
30416 movb %sil,%al
30417 movq %rdx,%rcx
30418 rep stosb
30419 movq %r9,%rax
30420 + pax_force_retaddr
30421 ret
30422 .Lmemset_e_e:
30423 .previous
30424 @@ -118,6 +120,7 @@ ENTRY(__memset)
30425
30426 .Lende:
30427 movq %r10,%rax
30428 + pax_force_retaddr
30429 ret
30430
30431 CFI_RESTORE_STATE
30432 diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c
30433 index c9f2d9b..e7fd2c0 100644
30434 --- a/arch/x86/lib/mmx_32.c
30435 +++ b/arch/x86/lib/mmx_32.c
30436 @@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
30437 {
30438 void *p;
30439 int i;
30440 + unsigned long cr0;
30441
30442 if (unlikely(in_interrupt()))
30443 return __memcpy(to, from, len);
30444 @@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len)
30445 kernel_fpu_begin();
30446
30447 __asm__ __volatile__ (
30448 - "1: prefetch (%0)\n" /* This set is 28 bytes */
30449 - " prefetch 64(%0)\n"
30450 - " prefetch 128(%0)\n"
30451 - " prefetch 192(%0)\n"
30452 - " prefetch 256(%0)\n"
30453 + "1: prefetch (%1)\n" /* This set is 28 bytes */
30454 + " prefetch 64(%1)\n"
30455 + " prefetch 128(%1)\n"
30456 + " prefetch 192(%1)\n"
30457 + " prefetch 256(%1)\n"
30458 "2: \n"
30459 ".section .fixup, \"ax\"\n"
30460 - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30461 + "3: \n"
30462 +
30463 +#ifdef CONFIG_PAX_KERNEXEC
30464 + " movl %%cr0, %0\n"
30465 + " movl %0, %%eax\n"
30466 + " andl $0xFFFEFFFF, %%eax\n"
30467 + " movl %%eax, %%cr0\n"
30468 +#endif
30469 +
30470 + " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30471 +
30472 +#ifdef CONFIG_PAX_KERNEXEC
30473 + " movl %0, %%cr0\n"
30474 +#endif
30475 +
30476 " jmp 2b\n"
30477 ".previous\n"
30478 _ASM_EXTABLE(1b, 3b)
30479 - : : "r" (from));
30480 + : "=&r" (cr0) : "r" (from) : "ax");
30481
30482 for ( ; i > 5; i--) {
30483 __asm__ __volatile__ (
30484 - "1: prefetch 320(%0)\n"
30485 - "2: movq (%0), %%mm0\n"
30486 - " movq 8(%0), %%mm1\n"
30487 - " movq 16(%0), %%mm2\n"
30488 - " movq 24(%0), %%mm3\n"
30489 - " movq %%mm0, (%1)\n"
30490 - " movq %%mm1, 8(%1)\n"
30491 - " movq %%mm2, 16(%1)\n"
30492 - " movq %%mm3, 24(%1)\n"
30493 - " movq 32(%0), %%mm0\n"
30494 - " movq 40(%0), %%mm1\n"
30495 - " movq 48(%0), %%mm2\n"
30496 - " movq 56(%0), %%mm3\n"
30497 - " movq %%mm0, 32(%1)\n"
30498 - " movq %%mm1, 40(%1)\n"
30499 - " movq %%mm2, 48(%1)\n"
30500 - " movq %%mm3, 56(%1)\n"
30501 + "1: prefetch 320(%1)\n"
30502 + "2: movq (%1), %%mm0\n"
30503 + " movq 8(%1), %%mm1\n"
30504 + " movq 16(%1), %%mm2\n"
30505 + " movq 24(%1), %%mm3\n"
30506 + " movq %%mm0, (%2)\n"
30507 + " movq %%mm1, 8(%2)\n"
30508 + " movq %%mm2, 16(%2)\n"
30509 + " movq %%mm3, 24(%2)\n"
30510 + " movq 32(%1), %%mm0\n"
30511 + " movq 40(%1), %%mm1\n"
30512 + " movq 48(%1), %%mm2\n"
30513 + " movq 56(%1), %%mm3\n"
30514 + " movq %%mm0, 32(%2)\n"
30515 + " movq %%mm1, 40(%2)\n"
30516 + " movq %%mm2, 48(%2)\n"
30517 + " movq %%mm3, 56(%2)\n"
30518 ".section .fixup, \"ax\"\n"
30519 - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30520 + "3:\n"
30521 +
30522 +#ifdef CONFIG_PAX_KERNEXEC
30523 + " movl %%cr0, %0\n"
30524 + " movl %0, %%eax\n"
30525 + " andl $0xFFFEFFFF, %%eax\n"
30526 + " movl %%eax, %%cr0\n"
30527 +#endif
30528 +
30529 + " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30530 +
30531 +#ifdef CONFIG_PAX_KERNEXEC
30532 + " movl %0, %%cr0\n"
30533 +#endif
30534 +
30535 " jmp 2b\n"
30536 ".previous\n"
30537 _ASM_EXTABLE(1b, 3b)
30538 - : : "r" (from), "r" (to) : "memory");
30539 + : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
30540
30541 from += 64;
30542 to += 64;
30543 @@ -158,6 +187,7 @@ static void fast_clear_page(void *page)
30544 static void fast_copy_page(void *to, void *from)
30545 {
30546 int i;
30547 + unsigned long cr0;
30548
30549 kernel_fpu_begin();
30550
30551 @@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from)
30552 * but that is for later. -AV
30553 */
30554 __asm__ __volatile__(
30555 - "1: prefetch (%0)\n"
30556 - " prefetch 64(%0)\n"
30557 - " prefetch 128(%0)\n"
30558 - " prefetch 192(%0)\n"
30559 - " prefetch 256(%0)\n"
30560 + "1: prefetch (%1)\n"
30561 + " prefetch 64(%1)\n"
30562 + " prefetch 128(%1)\n"
30563 + " prefetch 192(%1)\n"
30564 + " prefetch 256(%1)\n"
30565 "2: \n"
30566 ".section .fixup, \"ax\"\n"
30567 - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30568 + "3: \n"
30569 +
30570 +#ifdef CONFIG_PAX_KERNEXEC
30571 + " movl %%cr0, %0\n"
30572 + " movl %0, %%eax\n"
30573 + " andl $0xFFFEFFFF, %%eax\n"
30574 + " movl %%eax, %%cr0\n"
30575 +#endif
30576 +
30577 + " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30578 +
30579 +#ifdef CONFIG_PAX_KERNEXEC
30580 + " movl %0, %%cr0\n"
30581 +#endif
30582 +
30583 " jmp 2b\n"
30584 ".previous\n"
30585 - _ASM_EXTABLE(1b, 3b) : : "r" (from));
30586 + _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
30587
30588 for (i = 0; i < (4096-320)/64; i++) {
30589 __asm__ __volatile__ (
30590 - "1: prefetch 320(%0)\n"
30591 - "2: movq (%0), %%mm0\n"
30592 - " movntq %%mm0, (%1)\n"
30593 - " movq 8(%0), %%mm1\n"
30594 - " movntq %%mm1, 8(%1)\n"
30595 - " movq 16(%0), %%mm2\n"
30596 - " movntq %%mm2, 16(%1)\n"
30597 - " movq 24(%0), %%mm3\n"
30598 - " movntq %%mm3, 24(%1)\n"
30599 - " movq 32(%0), %%mm4\n"
30600 - " movntq %%mm4, 32(%1)\n"
30601 - " movq 40(%0), %%mm5\n"
30602 - " movntq %%mm5, 40(%1)\n"
30603 - " movq 48(%0), %%mm6\n"
30604 - " movntq %%mm6, 48(%1)\n"
30605 - " movq 56(%0), %%mm7\n"
30606 - " movntq %%mm7, 56(%1)\n"
30607 + "1: prefetch 320(%1)\n"
30608 + "2: movq (%1), %%mm0\n"
30609 + " movntq %%mm0, (%2)\n"
30610 + " movq 8(%1), %%mm1\n"
30611 + " movntq %%mm1, 8(%2)\n"
30612 + " movq 16(%1), %%mm2\n"
30613 + " movntq %%mm2, 16(%2)\n"
30614 + " movq 24(%1), %%mm3\n"
30615 + " movntq %%mm3, 24(%2)\n"
30616 + " movq 32(%1), %%mm4\n"
30617 + " movntq %%mm4, 32(%2)\n"
30618 + " movq 40(%1), %%mm5\n"
30619 + " movntq %%mm5, 40(%2)\n"
30620 + " movq 48(%1), %%mm6\n"
30621 + " movntq %%mm6, 48(%2)\n"
30622 + " movq 56(%1), %%mm7\n"
30623 + " movntq %%mm7, 56(%2)\n"
30624 ".section .fixup, \"ax\"\n"
30625 - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30626 + "3:\n"
30627 +
30628 +#ifdef CONFIG_PAX_KERNEXEC
30629 + " movl %%cr0, %0\n"
30630 + " movl %0, %%eax\n"
30631 + " andl $0xFFFEFFFF, %%eax\n"
30632 + " movl %%eax, %%cr0\n"
30633 +#endif
30634 +
30635 + " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30636 +
30637 +#ifdef CONFIG_PAX_KERNEXEC
30638 + " movl %0, %%cr0\n"
30639 +#endif
30640 +
30641 " jmp 2b\n"
30642 ".previous\n"
30643 - _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory");
30644 + _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
30645
30646 from += 64;
30647 to += 64;
30648 @@ -280,47 +338,76 @@ static void fast_clear_page(void *page)
30649 static void fast_copy_page(void *to, void *from)
30650 {
30651 int i;
30652 + unsigned long cr0;
30653
30654 kernel_fpu_begin();
30655
30656 __asm__ __volatile__ (
30657 - "1: prefetch (%0)\n"
30658 - " prefetch 64(%0)\n"
30659 - " prefetch 128(%0)\n"
30660 - " prefetch 192(%0)\n"
30661 - " prefetch 256(%0)\n"
30662 + "1: prefetch (%1)\n"
30663 + " prefetch 64(%1)\n"
30664 + " prefetch 128(%1)\n"
30665 + " prefetch 192(%1)\n"
30666 + " prefetch 256(%1)\n"
30667 "2: \n"
30668 ".section .fixup, \"ax\"\n"
30669 - "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30670 + "3: \n"
30671 +
30672 +#ifdef CONFIG_PAX_KERNEXEC
30673 + " movl %%cr0, %0\n"
30674 + " movl %0, %%eax\n"
30675 + " andl $0xFFFEFFFF, %%eax\n"
30676 + " movl %%eax, %%cr0\n"
30677 +#endif
30678 +
30679 + " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */
30680 +
30681 +#ifdef CONFIG_PAX_KERNEXEC
30682 + " movl %0, %%cr0\n"
30683 +#endif
30684 +
30685 " jmp 2b\n"
30686 ".previous\n"
30687 - _ASM_EXTABLE(1b, 3b) : : "r" (from));
30688 + _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax");
30689
30690 for (i = 0; i < 4096/64; i++) {
30691 __asm__ __volatile__ (
30692 - "1: prefetch 320(%0)\n"
30693 - "2: movq (%0), %%mm0\n"
30694 - " movq 8(%0), %%mm1\n"
30695 - " movq 16(%0), %%mm2\n"
30696 - " movq 24(%0), %%mm3\n"
30697 - " movq %%mm0, (%1)\n"
30698 - " movq %%mm1, 8(%1)\n"
30699 - " movq %%mm2, 16(%1)\n"
30700 - " movq %%mm3, 24(%1)\n"
30701 - " movq 32(%0), %%mm0\n"
30702 - " movq 40(%0), %%mm1\n"
30703 - " movq 48(%0), %%mm2\n"
30704 - " movq 56(%0), %%mm3\n"
30705 - " movq %%mm0, 32(%1)\n"
30706 - " movq %%mm1, 40(%1)\n"
30707 - " movq %%mm2, 48(%1)\n"
30708 - " movq %%mm3, 56(%1)\n"
30709 + "1: prefetch 320(%1)\n"
30710 + "2: movq (%1), %%mm0\n"
30711 + " movq 8(%1), %%mm1\n"
30712 + " movq 16(%1), %%mm2\n"
30713 + " movq 24(%1), %%mm3\n"
30714 + " movq %%mm0, (%2)\n"
30715 + " movq %%mm1, 8(%2)\n"
30716 + " movq %%mm2, 16(%2)\n"
30717 + " movq %%mm3, 24(%2)\n"
30718 + " movq 32(%1), %%mm0\n"
30719 + " movq 40(%1), %%mm1\n"
30720 + " movq 48(%1), %%mm2\n"
30721 + " movq 56(%1), %%mm3\n"
30722 + " movq %%mm0, 32(%2)\n"
30723 + " movq %%mm1, 40(%2)\n"
30724 + " movq %%mm2, 48(%2)\n"
30725 + " movq %%mm3, 56(%2)\n"
30726 ".section .fixup, \"ax\"\n"
30727 - "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30728 + "3:\n"
30729 +
30730 +#ifdef CONFIG_PAX_KERNEXEC
30731 + " movl %%cr0, %0\n"
30732 + " movl %0, %%eax\n"
30733 + " andl $0xFFFEFFFF, %%eax\n"
30734 + " movl %%eax, %%cr0\n"
30735 +#endif
30736 +
30737 + " movw $0x05EB, 1b\n" /* jmp on 5 bytes */
30738 +
30739 +#ifdef CONFIG_PAX_KERNEXEC
30740 + " movl %0, %%cr0\n"
30741 +#endif
30742 +
30743 " jmp 2b\n"
30744 ".previous\n"
30745 _ASM_EXTABLE(1b, 3b)
30746 - : : "r" (from), "r" (to) : "memory");
30747 + : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax");
30748
30749 from += 64;
30750 to += 64;
30751 diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S
30752 index f6d13ee..d789440 100644
30753 --- a/arch/x86/lib/msr-reg.S
30754 +++ b/arch/x86/lib/msr-reg.S
30755 @@ -3,6 +3,7 @@
30756 #include <asm/dwarf2.h>
30757 #include <asm/asm.h>
30758 #include <asm/msr.h>
30759 +#include <asm/alternative-asm.h>
30760
30761 #ifdef CONFIG_X86_64
30762 /*
30763 @@ -37,6 +38,7 @@ ENTRY(\op\()_safe_regs)
30764 movl %edi, 28(%r10)
30765 popq_cfi %rbp
30766 popq_cfi %rbx
30767 + pax_force_retaddr
30768 ret
30769 3:
30770 CFI_RESTORE_STATE
30771 diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S
30772 index fc6ba17..d4d989d 100644
30773 --- a/arch/x86/lib/putuser.S
30774 +++ b/arch/x86/lib/putuser.S
30775 @@ -16,7 +16,9 @@
30776 #include <asm/errno.h>
30777 #include <asm/asm.h>
30778 #include <asm/smap.h>
30779 -
30780 +#include <asm/segment.h>
30781 +#include <asm/pgtable.h>
30782 +#include <asm/alternative-asm.h>
30783
30784 /*
30785 * __put_user_X
30786 @@ -30,57 +32,125 @@
30787 * as they get called from within inline assembly.
30788 */
30789
30790 -#define ENTER CFI_STARTPROC ; \
30791 - GET_THREAD_INFO(%_ASM_BX)
30792 -#define EXIT ASM_CLAC ; \
30793 - ret ; \
30794 +#define ENTER CFI_STARTPROC
30795 +#define EXIT ASM_CLAC ; \
30796 + pax_force_retaddr ; \
30797 + ret ; \
30798 CFI_ENDPROC
30799
30800 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30801 +#define _DEST %_ASM_CX,%_ASM_BX
30802 +#else
30803 +#define _DEST %_ASM_CX
30804 +#endif
30805 +
30806 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF)
30807 +#define __copyuser_seg gs;
30808 +#else
30809 +#define __copyuser_seg
30810 +#endif
30811 +
30812 .text
30813 ENTRY(__put_user_1)
30814 ENTER
30815 +
30816 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30817 + GET_THREAD_INFO(%_ASM_BX)
30818 cmp TI_addr_limit(%_ASM_BX),%_ASM_CX
30819 jae bad_put_user
30820 ASM_STAC
30821 -1: movb %al,(%_ASM_CX)
30822 +
30823 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30824 + mov pax_user_shadow_base,%_ASM_BX
30825 + cmp %_ASM_BX,%_ASM_CX
30826 + jb 1234f
30827 + xor %ebx,%ebx
30828 +1234:
30829 +#endif
30830 +
30831 +#endif
30832 +
30833 +1: __copyuser_seg movb %al,(_DEST)
30834 xor %eax,%eax
30835 EXIT
30836 ENDPROC(__put_user_1)
30837
30838 ENTRY(__put_user_2)
30839 ENTER
30840 +
30841 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30842 + GET_THREAD_INFO(%_ASM_BX)
30843 mov TI_addr_limit(%_ASM_BX),%_ASM_BX
30844 sub $1,%_ASM_BX
30845 cmp %_ASM_BX,%_ASM_CX
30846 jae bad_put_user
30847 ASM_STAC
30848 -2: movw %ax,(%_ASM_CX)
30849 +
30850 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30851 + mov pax_user_shadow_base,%_ASM_BX
30852 + cmp %_ASM_BX,%_ASM_CX
30853 + jb 1234f
30854 + xor %ebx,%ebx
30855 +1234:
30856 +#endif
30857 +
30858 +#endif
30859 +
30860 +2: __copyuser_seg movw %ax,(_DEST)
30861 xor %eax,%eax
30862 EXIT
30863 ENDPROC(__put_user_2)
30864
30865 ENTRY(__put_user_4)
30866 ENTER
30867 +
30868 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30869 + GET_THREAD_INFO(%_ASM_BX)
30870 mov TI_addr_limit(%_ASM_BX),%_ASM_BX
30871 sub $3,%_ASM_BX
30872 cmp %_ASM_BX,%_ASM_CX
30873 jae bad_put_user
30874 ASM_STAC
30875 -3: movl %eax,(%_ASM_CX)
30876 +
30877 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30878 + mov pax_user_shadow_base,%_ASM_BX
30879 + cmp %_ASM_BX,%_ASM_CX
30880 + jb 1234f
30881 + xor %ebx,%ebx
30882 +1234:
30883 +#endif
30884 +
30885 +#endif
30886 +
30887 +3: __copyuser_seg movl %eax,(_DEST)
30888 xor %eax,%eax
30889 EXIT
30890 ENDPROC(__put_user_4)
30891
30892 ENTRY(__put_user_8)
30893 ENTER
30894 +
30895 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF)
30896 + GET_THREAD_INFO(%_ASM_BX)
30897 mov TI_addr_limit(%_ASM_BX),%_ASM_BX
30898 sub $7,%_ASM_BX
30899 cmp %_ASM_BX,%_ASM_CX
30900 jae bad_put_user
30901 ASM_STAC
30902 -4: mov %_ASM_AX,(%_ASM_CX)
30903 +
30904 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
30905 + mov pax_user_shadow_base,%_ASM_BX
30906 + cmp %_ASM_BX,%_ASM_CX
30907 + jb 1234f
30908 + xor %ebx,%ebx
30909 +1234:
30910 +#endif
30911 +
30912 +#endif
30913 +
30914 +4: __copyuser_seg mov %_ASM_AX,(_DEST)
30915 #ifdef CONFIG_X86_32
30916 -5: movl %edx,4(%_ASM_CX)
30917 +5: __copyuser_seg movl %edx,4(_DEST)
30918 #endif
30919 xor %eax,%eax
30920 EXIT
30921 diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S
30922 index 5dff5f0..cadebf4 100644
30923 --- a/arch/x86/lib/rwsem.S
30924 +++ b/arch/x86/lib/rwsem.S
30925 @@ -94,6 +94,7 @@ ENTRY(call_rwsem_down_read_failed)
30926 __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
30927 CFI_RESTORE __ASM_REG(dx)
30928 restore_common_regs
30929 + pax_force_retaddr
30930 ret
30931 CFI_ENDPROC
30932 ENDPROC(call_rwsem_down_read_failed)
30933 @@ -104,6 +105,7 @@ ENTRY(call_rwsem_down_write_failed)
30934 movq %rax,%rdi
30935 call rwsem_down_write_failed
30936 restore_common_regs
30937 + pax_force_retaddr
30938 ret
30939 CFI_ENDPROC
30940 ENDPROC(call_rwsem_down_write_failed)
30941 @@ -117,7 +119,8 @@ ENTRY(call_rwsem_wake)
30942 movq %rax,%rdi
30943 call rwsem_wake
30944 restore_common_regs
30945 -1: ret
30946 +1: pax_force_retaddr
30947 + ret
30948 CFI_ENDPROC
30949 ENDPROC(call_rwsem_wake)
30950
30951 @@ -131,6 +134,7 @@ ENTRY(call_rwsem_downgrade_wake)
30952 __ASM_SIZE(pop,_cfi) %__ASM_REG(dx)
30953 CFI_RESTORE __ASM_REG(dx)
30954 restore_common_regs
30955 + pax_force_retaddr
30956 ret
30957 CFI_ENDPROC
30958 ENDPROC(call_rwsem_downgrade_wake)
30959 diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
30960 index b30b5eb..2b57052 100644
30961 --- a/arch/x86/lib/thunk_64.S
30962 +++ b/arch/x86/lib/thunk_64.S
30963 @@ -9,6 +9,7 @@
30964 #include <asm/dwarf2.h>
30965 #include <asm/calling.h>
30966 #include <asm/asm.h>
30967 +#include <asm/alternative-asm.h>
30968
30969 /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
30970 .macro THUNK name, func, put_ret_addr_in_rdi=0
30971 @@ -16,11 +17,11 @@
30972 \name:
30973 CFI_STARTPROC
30974
30975 - /* this one pushes 9 elems, the next one would be %rIP */
30976 - SAVE_ARGS
30977 + /* this one pushes 15+1 elems, the next one would be %rIP */
30978 + SAVE_ARGS 8
30979
30980 .if \put_ret_addr_in_rdi
30981 - movq_cfi_restore 9*8, rdi
30982 + movq_cfi_restore RIP, rdi
30983 .endif
30984
30985 call \func
30986 @@ -47,9 +48,10 @@
30987
30988 /* SAVE_ARGS below is used only for the .cfi directives it contains. */
30989 CFI_STARTPROC
30990 - SAVE_ARGS
30991 + SAVE_ARGS 8
30992 restore:
30993 - RESTORE_ARGS
30994 + RESTORE_ARGS 1,8
30995 + pax_force_retaddr
30996 ret
30997 CFI_ENDPROC
30998 _ASM_NOKPROBE(restore)
30999 diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
31000 index e2f5e21..4b22130 100644
31001 --- a/arch/x86/lib/usercopy_32.c
31002 +++ b/arch/x86/lib/usercopy_32.c
31003 @@ -42,11 +42,13 @@ do { \
31004 int __d0; \
31005 might_fault(); \
31006 __asm__ __volatile__( \
31007 + __COPYUSER_SET_ES \
31008 ASM_STAC "\n" \
31009 "0: rep; stosl\n" \
31010 " movl %2,%0\n" \
31011 "1: rep; stosb\n" \
31012 "2: " ASM_CLAC "\n" \
31013 + __COPYUSER_RESTORE_ES \
31014 ".section .fixup,\"ax\"\n" \
31015 "3: lea 0(%2,%0,4),%0\n" \
31016 " jmp 2b\n" \
31017 @@ -98,7 +100,7 @@ EXPORT_SYMBOL(__clear_user);
31018
31019 #ifdef CONFIG_X86_INTEL_USERCOPY
31020 static unsigned long
31021 -__copy_user_intel(void __user *to, const void *from, unsigned long size)
31022 +__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size)
31023 {
31024 int d0, d1;
31025 __asm__ __volatile__(
31026 @@ -110,36 +112,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
31027 " .align 2,0x90\n"
31028 "3: movl 0(%4), %%eax\n"
31029 "4: movl 4(%4), %%edx\n"
31030 - "5: movl %%eax, 0(%3)\n"
31031 - "6: movl %%edx, 4(%3)\n"
31032 + "5: "__copyuser_seg" movl %%eax, 0(%3)\n"
31033 + "6: "__copyuser_seg" movl %%edx, 4(%3)\n"
31034 "7: movl 8(%4), %%eax\n"
31035 "8: movl 12(%4),%%edx\n"
31036 - "9: movl %%eax, 8(%3)\n"
31037 - "10: movl %%edx, 12(%3)\n"
31038 + "9: "__copyuser_seg" movl %%eax, 8(%3)\n"
31039 + "10: "__copyuser_seg" movl %%edx, 12(%3)\n"
31040 "11: movl 16(%4), %%eax\n"
31041 "12: movl 20(%4), %%edx\n"
31042 - "13: movl %%eax, 16(%3)\n"
31043 - "14: movl %%edx, 20(%3)\n"
31044 + "13: "__copyuser_seg" movl %%eax, 16(%3)\n"
31045 + "14: "__copyuser_seg" movl %%edx, 20(%3)\n"
31046 "15: movl 24(%4), %%eax\n"
31047 "16: movl 28(%4), %%edx\n"
31048 - "17: movl %%eax, 24(%3)\n"
31049 - "18: movl %%edx, 28(%3)\n"
31050 + "17: "__copyuser_seg" movl %%eax, 24(%3)\n"
31051 + "18: "__copyuser_seg" movl %%edx, 28(%3)\n"
31052 "19: movl 32(%4), %%eax\n"
31053 "20: movl 36(%4), %%edx\n"
31054 - "21: movl %%eax, 32(%3)\n"
31055 - "22: movl %%edx, 36(%3)\n"
31056 + "21: "__copyuser_seg" movl %%eax, 32(%3)\n"
31057 + "22: "__copyuser_seg" movl %%edx, 36(%3)\n"
31058 "23: movl 40(%4), %%eax\n"
31059 "24: movl 44(%4), %%edx\n"
31060 - "25: movl %%eax, 40(%3)\n"
31061 - "26: movl %%edx, 44(%3)\n"
31062 + "25: "__copyuser_seg" movl %%eax, 40(%3)\n"
31063 + "26: "__copyuser_seg" movl %%edx, 44(%3)\n"
31064 "27: movl 48(%4), %%eax\n"
31065 "28: movl 52(%4), %%edx\n"
31066 - "29: movl %%eax, 48(%3)\n"
31067 - "30: movl %%edx, 52(%3)\n"
31068 + "29: "__copyuser_seg" movl %%eax, 48(%3)\n"
31069 + "30: "__copyuser_seg" movl %%edx, 52(%3)\n"
31070 "31: movl 56(%4), %%eax\n"
31071 "32: movl 60(%4), %%edx\n"
31072 - "33: movl %%eax, 56(%3)\n"
31073 - "34: movl %%edx, 60(%3)\n"
31074 + "33: "__copyuser_seg" movl %%eax, 56(%3)\n"
31075 + "34: "__copyuser_seg" movl %%edx, 60(%3)\n"
31076 " addl $-64, %0\n"
31077 " addl $64, %4\n"
31078 " addl $64, %3\n"
31079 @@ -149,10 +151,116 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size)
31080 " shrl $2, %0\n"
31081 " andl $3, %%eax\n"
31082 " cld\n"
31083 + __COPYUSER_SET_ES
31084 "99: rep; movsl\n"
31085 "36: movl %%eax, %0\n"
31086 "37: rep; movsb\n"
31087 "100:\n"
31088 + __COPYUSER_RESTORE_ES
31089 + ".section .fixup,\"ax\"\n"
31090 + "101: lea 0(%%eax,%0,4),%0\n"
31091 + " jmp 100b\n"
31092 + ".previous\n"
31093 + _ASM_EXTABLE(1b,100b)
31094 + _ASM_EXTABLE(2b,100b)
31095 + _ASM_EXTABLE(3b,100b)
31096 + _ASM_EXTABLE(4b,100b)
31097 + _ASM_EXTABLE(5b,100b)
31098 + _ASM_EXTABLE(6b,100b)
31099 + _ASM_EXTABLE(7b,100b)
31100 + _ASM_EXTABLE(8b,100b)
31101 + _ASM_EXTABLE(9b,100b)
31102 + _ASM_EXTABLE(10b,100b)
31103 + _ASM_EXTABLE(11b,100b)
31104 + _ASM_EXTABLE(12b,100b)
31105 + _ASM_EXTABLE(13b,100b)
31106 + _ASM_EXTABLE(14b,100b)
31107 + _ASM_EXTABLE(15b,100b)
31108 + _ASM_EXTABLE(16b,100b)
31109 + _ASM_EXTABLE(17b,100b)
31110 + _ASM_EXTABLE(18b,100b)
31111 + _ASM_EXTABLE(19b,100b)
31112 + _ASM_EXTABLE(20b,100b)
31113 + _ASM_EXTABLE(21b,100b)
31114 + _ASM_EXTABLE(22b,100b)
31115 + _ASM_EXTABLE(23b,100b)
31116 + _ASM_EXTABLE(24b,100b)
31117 + _ASM_EXTABLE(25b,100b)
31118 + _ASM_EXTABLE(26b,100b)
31119 + _ASM_EXTABLE(27b,100b)
31120 + _ASM_EXTABLE(28b,100b)
31121 + _ASM_EXTABLE(29b,100b)
31122 + _ASM_EXTABLE(30b,100b)
31123 + _ASM_EXTABLE(31b,100b)
31124 + _ASM_EXTABLE(32b,100b)
31125 + _ASM_EXTABLE(33b,100b)
31126 + _ASM_EXTABLE(34b,100b)
31127 + _ASM_EXTABLE(35b,100b)
31128 + _ASM_EXTABLE(36b,100b)
31129 + _ASM_EXTABLE(37b,100b)
31130 + _ASM_EXTABLE(99b,101b)
31131 + : "=&c"(size), "=&D" (d0), "=&S" (d1)
31132 + : "1"(to), "2"(from), "0"(size)
31133 + : "eax", "edx", "memory");
31134 + return size;
31135 +}
31136 +
31137 +static unsigned long
31138 +__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size)
31139 +{
31140 + int d0, d1;
31141 + __asm__ __volatile__(
31142 + " .align 2,0x90\n"
31143 + "1: "__copyuser_seg" movl 32(%4), %%eax\n"
31144 + " cmpl $67, %0\n"
31145 + " jbe 3f\n"
31146 + "2: "__copyuser_seg" movl 64(%4), %%eax\n"
31147 + " .align 2,0x90\n"
31148 + "3: "__copyuser_seg" movl 0(%4), %%eax\n"
31149 + "4: "__copyuser_seg" movl 4(%4), %%edx\n"
31150 + "5: movl %%eax, 0(%3)\n"
31151 + "6: movl %%edx, 4(%3)\n"
31152 + "7: "__copyuser_seg" movl 8(%4), %%eax\n"
31153 + "8: "__copyuser_seg" movl 12(%4),%%edx\n"
31154 + "9: movl %%eax, 8(%3)\n"
31155 + "10: movl %%edx, 12(%3)\n"
31156 + "11: "__copyuser_seg" movl 16(%4), %%eax\n"
31157 + "12: "__copyuser_seg" movl 20(%4), %%edx\n"
31158 + "13: movl %%eax, 16(%3)\n"
31159 + "14: movl %%edx, 20(%3)\n"
31160 + "15: "__copyuser_seg" movl 24(%4), %%eax\n"
31161 + "16: "__copyuser_seg" movl 28(%4), %%edx\n"
31162 + "17: movl %%eax, 24(%3)\n"
31163 + "18: movl %%edx, 28(%3)\n"
31164 + "19: "__copyuser_seg" movl 32(%4), %%eax\n"
31165 + "20: "__copyuser_seg" movl 36(%4), %%edx\n"
31166 + "21: movl %%eax, 32(%3)\n"
31167 + "22: movl %%edx, 36(%3)\n"
31168 + "23: "__copyuser_seg" movl 40(%4), %%eax\n"
31169 + "24: "__copyuser_seg" movl 44(%4), %%edx\n"
31170 + "25: movl %%eax, 40(%3)\n"
31171 + "26: movl %%edx, 44(%3)\n"
31172 + "27: "__copyuser_seg" movl 48(%4), %%eax\n"
31173 + "28: "__copyuser_seg" movl 52(%4), %%edx\n"
31174 + "29: movl %%eax, 48(%3)\n"
31175 + "30: movl %%edx, 52(%3)\n"
31176 + "31: "__copyuser_seg" movl 56(%4), %%eax\n"
31177 + "32: "__copyuser_seg" movl 60(%4), %%edx\n"
31178 + "33: movl %%eax, 56(%3)\n"
31179 + "34: movl %%edx, 60(%3)\n"
31180 + " addl $-64, %0\n"
31181 + " addl $64, %4\n"
31182 + " addl $64, %3\n"
31183 + " cmpl $63, %0\n"
31184 + " ja 1b\n"
31185 + "35: movl %0, %%eax\n"
31186 + " shrl $2, %0\n"
31187 + " andl $3, %%eax\n"
31188 + " cld\n"
31189 + "99: rep; "__copyuser_seg" movsl\n"
31190 + "36: movl %%eax, %0\n"
31191 + "37: rep; "__copyuser_seg" movsb\n"
31192 + "100:\n"
31193 ".section .fixup,\"ax\"\n"
31194 "101: lea 0(%%eax,%0,4),%0\n"
31195 " jmp 100b\n"
31196 @@ -207,41 +315,41 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
31197 int d0, d1;
31198 __asm__ __volatile__(
31199 " .align 2,0x90\n"
31200 - "0: movl 32(%4), %%eax\n"
31201 + "0: "__copyuser_seg" movl 32(%4), %%eax\n"
31202 " cmpl $67, %0\n"
31203 " jbe 2f\n"
31204 - "1: movl 64(%4), %%eax\n"
31205 + "1: "__copyuser_seg" movl 64(%4), %%eax\n"
31206 " .align 2,0x90\n"
31207 - "2: movl 0(%4), %%eax\n"
31208 - "21: movl 4(%4), %%edx\n"
31209 + "2: "__copyuser_seg" movl 0(%4), %%eax\n"
31210 + "21: "__copyuser_seg" movl 4(%4), %%edx\n"
31211 " movl %%eax, 0(%3)\n"
31212 " movl %%edx, 4(%3)\n"
31213 - "3: movl 8(%4), %%eax\n"
31214 - "31: movl 12(%4),%%edx\n"
31215 + "3: "__copyuser_seg" movl 8(%4), %%eax\n"
31216 + "31: "__copyuser_seg" movl 12(%4),%%edx\n"
31217 " movl %%eax, 8(%3)\n"
31218 " movl %%edx, 12(%3)\n"
31219 - "4: movl 16(%4), %%eax\n"
31220 - "41: movl 20(%4), %%edx\n"
31221 + "4: "__copyuser_seg" movl 16(%4), %%eax\n"
31222 + "41: "__copyuser_seg" movl 20(%4), %%edx\n"
31223 " movl %%eax, 16(%3)\n"
31224 " movl %%edx, 20(%3)\n"
31225 - "10: movl 24(%4), %%eax\n"
31226 - "51: movl 28(%4), %%edx\n"
31227 + "10: "__copyuser_seg" movl 24(%4), %%eax\n"
31228 + "51: "__copyuser_seg" movl 28(%4), %%edx\n"
31229 " movl %%eax, 24(%3)\n"
31230 " movl %%edx, 28(%3)\n"
31231 - "11: movl 32(%4), %%eax\n"
31232 - "61: movl 36(%4), %%edx\n"
31233 + "11: "__copyuser_seg" movl 32(%4), %%eax\n"
31234 + "61: "__copyuser_seg" movl 36(%4), %%edx\n"
31235 " movl %%eax, 32(%3)\n"
31236 " movl %%edx, 36(%3)\n"
31237 - "12: movl 40(%4), %%eax\n"
31238 - "71: movl 44(%4), %%edx\n"
31239 + "12: "__copyuser_seg" movl 40(%4), %%eax\n"
31240 + "71: "__copyuser_seg" movl 44(%4), %%edx\n"
31241 " movl %%eax, 40(%3)\n"
31242 " movl %%edx, 44(%3)\n"
31243 - "13: movl 48(%4), %%eax\n"
31244 - "81: movl 52(%4), %%edx\n"
31245 + "13: "__copyuser_seg" movl 48(%4), %%eax\n"
31246 + "81: "__copyuser_seg" movl 52(%4), %%edx\n"
31247 " movl %%eax, 48(%3)\n"
31248 " movl %%edx, 52(%3)\n"
31249 - "14: movl 56(%4), %%eax\n"
31250 - "91: movl 60(%4), %%edx\n"
31251 + "14: "__copyuser_seg" movl 56(%4), %%eax\n"
31252 + "91: "__copyuser_seg" movl 60(%4), %%edx\n"
31253 " movl %%eax, 56(%3)\n"
31254 " movl %%edx, 60(%3)\n"
31255 " addl $-64, %0\n"
31256 @@ -253,9 +361,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size)
31257 " shrl $2, %0\n"
31258 " andl $3, %%eax\n"
31259 " cld\n"
31260 - "6: rep; movsl\n"
31261 + "6: rep; "__copyuser_seg" movsl\n"
31262 " movl %%eax,%0\n"
31263 - "7: rep; movsb\n"
31264 + "7: rep; "__copyuser_seg" movsb\n"
31265 "8:\n"
31266 ".section .fixup,\"ax\"\n"
31267 "9: lea 0(%%eax,%0,4),%0\n"
31268 @@ -305,41 +413,41 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
31269
31270 __asm__ __volatile__(
31271 " .align 2,0x90\n"
31272 - "0: movl 32(%4), %%eax\n"
31273 + "0: "__copyuser_seg" movl 32(%4), %%eax\n"
31274 " cmpl $67, %0\n"
31275 " jbe 2f\n"
31276 - "1: movl 64(%4), %%eax\n"
31277 + "1: "__copyuser_seg" movl 64(%4), %%eax\n"
31278 " .align 2,0x90\n"
31279 - "2: movl 0(%4), %%eax\n"
31280 - "21: movl 4(%4), %%edx\n"
31281 + "2: "__copyuser_seg" movl 0(%4), %%eax\n"
31282 + "21: "__copyuser_seg" movl 4(%4), %%edx\n"
31283 " movnti %%eax, 0(%3)\n"
31284 " movnti %%edx, 4(%3)\n"
31285 - "3: movl 8(%4), %%eax\n"
31286 - "31: movl 12(%4),%%edx\n"
31287 + "3: "__copyuser_seg" movl 8(%4), %%eax\n"
31288 + "31: "__copyuser_seg" movl 12(%4),%%edx\n"
31289 " movnti %%eax, 8(%3)\n"
31290 " movnti %%edx, 12(%3)\n"
31291 - "4: movl 16(%4), %%eax\n"
31292 - "41: movl 20(%4), %%edx\n"
31293 + "4: "__copyuser_seg" movl 16(%4), %%eax\n"
31294 + "41: "__copyuser_seg" movl 20(%4), %%edx\n"
31295 " movnti %%eax, 16(%3)\n"
31296 " movnti %%edx, 20(%3)\n"
31297 - "10: movl 24(%4), %%eax\n"
31298 - "51: movl 28(%4), %%edx\n"
31299 + "10: "__copyuser_seg" movl 24(%4), %%eax\n"
31300 + "51: "__copyuser_seg" movl 28(%4), %%edx\n"
31301 " movnti %%eax, 24(%3)\n"
31302 " movnti %%edx, 28(%3)\n"
31303 - "11: movl 32(%4), %%eax\n"
31304 - "61: movl 36(%4), %%edx\n"
31305 + "11: "__copyuser_seg" movl 32(%4), %%eax\n"
31306 + "61: "__copyuser_seg" movl 36(%4), %%edx\n"
31307 " movnti %%eax, 32(%3)\n"
31308 " movnti %%edx, 36(%3)\n"
31309 - "12: movl 40(%4), %%eax\n"
31310 - "71: movl 44(%4), %%edx\n"
31311 + "12: "__copyuser_seg" movl 40(%4), %%eax\n"
31312 + "71: "__copyuser_seg" movl 44(%4), %%edx\n"
31313 " movnti %%eax, 40(%3)\n"
31314 " movnti %%edx, 44(%3)\n"
31315 - "13: movl 48(%4), %%eax\n"
31316 - "81: movl 52(%4), %%edx\n"
31317 + "13: "__copyuser_seg" movl 48(%4), %%eax\n"
31318 + "81: "__copyuser_seg" movl 52(%4), %%edx\n"
31319 " movnti %%eax, 48(%3)\n"
31320 " movnti %%edx, 52(%3)\n"
31321 - "14: movl 56(%4), %%eax\n"
31322 - "91: movl 60(%4), %%edx\n"
31323 + "14: "__copyuser_seg" movl 56(%4), %%eax\n"
31324 + "91: "__copyuser_seg" movl 60(%4), %%edx\n"
31325 " movnti %%eax, 56(%3)\n"
31326 " movnti %%edx, 60(%3)\n"
31327 " addl $-64, %0\n"
31328 @@ -352,9 +460,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to,
31329 " shrl $2, %0\n"
31330 " andl $3, %%eax\n"
31331 " cld\n"
31332 - "6: rep; movsl\n"
31333 + "6: rep; "__copyuser_seg" movsl\n"
31334 " movl %%eax,%0\n"
31335 - "7: rep; movsb\n"
31336 + "7: rep; "__copyuser_seg" movsb\n"
31337 "8:\n"
31338 ".section .fixup,\"ax\"\n"
31339 "9: lea 0(%%eax,%0,4),%0\n"
31340 @@ -399,41 +507,41 @@ static unsigned long __copy_user_intel_nocache(void *to,
31341
31342 __asm__ __volatile__(
31343 " .align 2,0x90\n"
31344 - "0: movl 32(%4), %%eax\n"
31345 + "0: "__copyuser_seg" movl 32(%4), %%eax\n"
31346 " cmpl $67, %0\n"
31347 " jbe 2f\n"
31348 - "1: movl 64(%4), %%eax\n"
31349 + "1: "__copyuser_seg" movl 64(%4), %%eax\n"
31350 " .align 2,0x90\n"
31351 - "2: movl 0(%4), %%eax\n"
31352 - "21: movl 4(%4), %%edx\n"
31353 + "2: "__copyuser_seg" movl 0(%4), %%eax\n"
31354 + "21: "__copyuser_seg" movl 4(%4), %%edx\n"
31355 " movnti %%eax, 0(%3)\n"
31356 " movnti %%edx, 4(%3)\n"
31357 - "3: movl 8(%4), %%eax\n"
31358 - "31: movl 12(%4),%%edx\n"
31359 + "3: "__copyuser_seg" movl 8(%4), %%eax\n"
31360 + "31: "__copyuser_seg" movl 12(%4),%%edx\n"
31361 " movnti %%eax, 8(%3)\n"
31362 " movnti %%edx, 12(%3)\n"
31363 - "4: movl 16(%4), %%eax\n"
31364 - "41: movl 20(%4), %%edx\n"
31365 + "4: "__copyuser_seg" movl 16(%4), %%eax\n"
31366 + "41: "__copyuser_seg" movl 20(%4), %%edx\n"
31367 " movnti %%eax, 16(%3)\n"
31368 " movnti %%edx, 20(%3)\n"
31369 - "10: movl 24(%4), %%eax\n"
31370 - "51: movl 28(%4), %%edx\n"
31371 + "10: "__copyuser_seg" movl 24(%4), %%eax\n"
31372 + "51: "__copyuser_seg" movl 28(%4), %%edx\n"
31373 " movnti %%eax, 24(%3)\n"
31374 " movnti %%edx, 28(%3)\n"
31375 - "11: movl 32(%4), %%eax\n"
31376 - "61: movl 36(%4), %%edx\n"
31377 + "11: "__copyuser_seg" movl 32(%4), %%eax\n"
31378 + "61: "__copyuser_seg" movl 36(%4), %%edx\n"
31379 " movnti %%eax, 32(%3)\n"
31380 " movnti %%edx, 36(%3)\n"
31381 - "12: movl 40(%4), %%eax\n"
31382 - "71: movl 44(%4), %%edx\n"
31383 + "12: "__copyuser_seg" movl 40(%4), %%eax\n"
31384 + "71: "__copyuser_seg" movl 44(%4), %%edx\n"
31385 " movnti %%eax, 40(%3)\n"
31386 " movnti %%edx, 44(%3)\n"
31387 - "13: movl 48(%4), %%eax\n"
31388 - "81: movl 52(%4), %%edx\n"
31389 + "13: "__copyuser_seg" movl 48(%4), %%eax\n"
31390 + "81: "__copyuser_seg" movl 52(%4), %%edx\n"
31391 " movnti %%eax, 48(%3)\n"
31392 " movnti %%edx, 52(%3)\n"
31393 - "14: movl 56(%4), %%eax\n"
31394 - "91: movl 60(%4), %%edx\n"
31395 + "14: "__copyuser_seg" movl 56(%4), %%eax\n"
31396 + "91: "__copyuser_seg" movl 60(%4), %%edx\n"
31397 " movnti %%eax, 56(%3)\n"
31398 " movnti %%edx, 60(%3)\n"
31399 " addl $-64, %0\n"
31400 @@ -446,9 +554,9 @@ static unsigned long __copy_user_intel_nocache(void *to,
31401 " shrl $2, %0\n"
31402 " andl $3, %%eax\n"
31403 " cld\n"
31404 - "6: rep; movsl\n"
31405 + "6: rep; "__copyuser_seg" movsl\n"
31406 " movl %%eax,%0\n"
31407 - "7: rep; movsb\n"
31408 + "7: rep; "__copyuser_seg" movsb\n"
31409 "8:\n"
31410 ".section .fixup,\"ax\"\n"
31411 "9: lea 0(%%eax,%0,4),%0\n"
31412 @@ -488,32 +596,36 @@ static unsigned long __copy_user_intel_nocache(void *to,
31413 */
31414 unsigned long __copy_user_zeroing_intel(void *to, const void __user *from,
31415 unsigned long size);
31416 -unsigned long __copy_user_intel(void __user *to, const void *from,
31417 +unsigned long __generic_copy_to_user_intel(void __user *to, const void *from,
31418 + unsigned long size);
31419 +unsigned long __generic_copy_from_user_intel(void *to, const void __user *from,
31420 unsigned long size);
31421 unsigned long __copy_user_zeroing_intel_nocache(void *to,
31422 const void __user *from, unsigned long size);
31423 #endif /* CONFIG_X86_INTEL_USERCOPY */
31424
31425 /* Generic arbitrary sized copy. */
31426 -#define __copy_user(to, from, size) \
31427 +#define __copy_user(to, from, size, prefix, set, restore) \
31428 do { \
31429 int __d0, __d1, __d2; \
31430 __asm__ __volatile__( \
31431 + set \
31432 " cmp $7,%0\n" \
31433 " jbe 1f\n" \
31434 " movl %1,%0\n" \
31435 " negl %0\n" \
31436 " andl $7,%0\n" \
31437 " subl %0,%3\n" \
31438 - "4: rep; movsb\n" \
31439 + "4: rep; "prefix"movsb\n" \
31440 " movl %3,%0\n" \
31441 " shrl $2,%0\n" \
31442 " andl $3,%3\n" \
31443 " .align 2,0x90\n" \
31444 - "0: rep; movsl\n" \
31445 + "0: rep; "prefix"movsl\n" \
31446 " movl %3,%0\n" \
31447 - "1: rep; movsb\n" \
31448 + "1: rep; "prefix"movsb\n" \
31449 "2:\n" \
31450 + restore \
31451 ".section .fixup,\"ax\"\n" \
31452 "5: addl %3,%0\n" \
31453 " jmp 2b\n" \
31454 @@ -538,14 +650,14 @@ do { \
31455 " negl %0\n" \
31456 " andl $7,%0\n" \
31457 " subl %0,%3\n" \
31458 - "4: rep; movsb\n" \
31459 + "4: rep; "__copyuser_seg"movsb\n" \
31460 " movl %3,%0\n" \
31461 " shrl $2,%0\n" \
31462 " andl $3,%3\n" \
31463 " .align 2,0x90\n" \
31464 - "0: rep; movsl\n" \
31465 + "0: rep; "__copyuser_seg"movsl\n" \
31466 " movl %3,%0\n" \
31467 - "1: rep; movsb\n" \
31468 + "1: rep; "__copyuser_seg"movsb\n" \
31469 "2:\n" \
31470 ".section .fixup,\"ax\"\n" \
31471 "5: addl %3,%0\n" \
31472 @@ -572,9 +684,9 @@ unsigned long __copy_to_user_ll(void __user *to, const void *from,
31473 {
31474 stac();
31475 if (movsl_is_ok(to, from, n))
31476 - __copy_user(to, from, n);
31477 + __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES);
31478 else
31479 - n = __copy_user_intel(to, from, n);
31480 + n = __generic_copy_to_user_intel(to, from, n);
31481 clac();
31482 return n;
31483 }
31484 @@ -598,10 +710,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from,
31485 {
31486 stac();
31487 if (movsl_is_ok(to, from, n))
31488 - __copy_user(to, from, n);
31489 + __copy_user(to, from, n, __copyuser_seg, "", "");
31490 else
31491 - n = __copy_user_intel((void __user *)to,
31492 - (const void *)from, n);
31493 + n = __generic_copy_from_user_intel(to, from, n);
31494 clac();
31495 return n;
31496 }
31497 @@ -632,58 +743,38 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr
31498 if (n > 64 && cpu_has_xmm2)
31499 n = __copy_user_intel_nocache(to, from, n);
31500 else
31501 - __copy_user(to, from, n);
31502 + __copy_user(to, from, n, __copyuser_seg, "", "");
31503 #else
31504 - __copy_user(to, from, n);
31505 + __copy_user(to, from, n, __copyuser_seg, "", "");
31506 #endif
31507 clac();
31508 return n;
31509 }
31510 EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero);
31511
31512 -/**
31513 - * copy_to_user: - Copy a block of data into user space.
31514 - * @to: Destination address, in user space.
31515 - * @from: Source address, in kernel space.
31516 - * @n: Number of bytes to copy.
31517 - *
31518 - * Context: User context only. This function may sleep.
31519 - *
31520 - * Copy data from kernel space to user space.
31521 - *
31522 - * Returns number of bytes that could not be copied.
31523 - * On success, this will be zero.
31524 - */
31525 -unsigned long _copy_to_user(void __user *to, const void *from, unsigned n)
31526 +#ifdef CONFIG_PAX_MEMORY_UDEREF
31527 +void __set_fs(mm_segment_t x)
31528 {
31529 - if (access_ok(VERIFY_WRITE, to, n))
31530 - n = __copy_to_user(to, from, n);
31531 - return n;
31532 + switch (x.seg) {
31533 + case 0:
31534 + loadsegment(gs, 0);
31535 + break;
31536 + case TASK_SIZE_MAX:
31537 + loadsegment(gs, __USER_DS);
31538 + break;
31539 + case -1UL:
31540 + loadsegment(gs, __KERNEL_DS);
31541 + break;
31542 + default:
31543 + BUG();
31544 + }
31545 }
31546 -EXPORT_SYMBOL(_copy_to_user);
31547 +EXPORT_SYMBOL(__set_fs);
31548
31549 -/**
31550 - * copy_from_user: - Copy a block of data from user space.
31551 - * @to: Destination address, in kernel space.
31552 - * @from: Source address, in user space.
31553 - * @n: Number of bytes to copy.
31554 - *
31555 - * Context: User context only. This function may sleep.
31556 - *
31557 - * Copy data from user space to kernel space.
31558 - *
31559 - * Returns number of bytes that could not be copied.
31560 - * On success, this will be zero.
31561 - *
31562 - * If some data could not be copied, this function will pad the copied
31563 - * data to the requested size using zero bytes.
31564 - */
31565 -unsigned long _copy_from_user(void *to, const void __user *from, unsigned n)
31566 +void set_fs(mm_segment_t x)
31567 {
31568 - if (access_ok(VERIFY_READ, from, n))
31569 - n = __copy_from_user(to, from, n);
31570 - else
31571 - memset(to, 0, n);
31572 - return n;
31573 + current_thread_info()->addr_limit = x;
31574 + __set_fs(x);
31575 }
31576 -EXPORT_SYMBOL(_copy_from_user);
31577 +EXPORT_SYMBOL(set_fs);
31578 +#endif
31579 diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
31580 index c905e89..01ab928 100644
31581 --- a/arch/x86/lib/usercopy_64.c
31582 +++ b/arch/x86/lib/usercopy_64.c
31583 @@ -18,6 +18,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
31584 might_fault();
31585 /* no memory constraint because it doesn't change any memory gcc knows
31586 about */
31587 + pax_open_userland();
31588 stac();
31589 asm volatile(
31590 " testq %[size8],%[size8]\n"
31591 @@ -39,9 +40,10 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
31592 _ASM_EXTABLE(0b,3b)
31593 _ASM_EXTABLE(1b,2b)
31594 : [size8] "=&c"(size), [dst] "=&D" (__d0)
31595 - : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr),
31596 + : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(____m(addr)),
31597 [zero] "r" (0UL), [eight] "r" (8UL));
31598 clac();
31599 + pax_close_userland();
31600 return size;
31601 }
31602 EXPORT_SYMBOL(__clear_user);
31603 @@ -54,12 +56,11 @@ unsigned long clear_user(void __user *to, unsigned long n)
31604 }
31605 EXPORT_SYMBOL(clear_user);
31606
31607 -unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len)
31608 +unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len)
31609 {
31610 - if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
31611 - return copy_user_generic((__force void *)to, (__force void *)from, len);
31612 - }
31613 - return len;
31614 + if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len))
31615 + return copy_user_generic((void __force_kernel *)____m(to), (void __force_kernel *)____m(from), len);
31616 + return len;
31617 }
31618 EXPORT_SYMBOL(copy_in_user);
31619
31620 @@ -69,11 +70,13 @@ EXPORT_SYMBOL(copy_in_user);
31621 * it is not necessary to optimize tail handling.
31622 */
31623 __visible unsigned long
31624 -copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
31625 +copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest)
31626 {
31627 char c;
31628 unsigned zero_len;
31629
31630 + clac();
31631 + pax_close_userland();
31632 for (; len; --len, to++) {
31633 if (__get_user_nocheck(c, from++, sizeof(char)))
31634 break;
31635 @@ -84,6 +87,5 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
31636 for (c = 0, zero_len = len; zerorest && zero_len; --zero_len)
31637 if (__put_user_nocheck(c, to++, sizeof(char)))
31638 break;
31639 - clac();
31640 return len;
31641 }
31642 diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
31643 index 6a19ad9..1c48f9a 100644
31644 --- a/arch/x86/mm/Makefile
31645 +++ b/arch/x86/mm/Makefile
31646 @@ -30,3 +30,7 @@ obj-$(CONFIG_ACPI_NUMA) += srat.o
31647 obj-$(CONFIG_NUMA_EMU) += numa_emulation.o
31648
31649 obj-$(CONFIG_MEMTEST) += memtest.o
31650 +
31651 +quote:="
31652 +obj-$(CONFIG_X86_64) += uderef_64.o
31653 +CFLAGS_uderef_64.o := $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
31654 diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
31655 index 903ec1e..c4166b2 100644
31656 --- a/arch/x86/mm/extable.c
31657 +++ b/arch/x86/mm/extable.c
31658 @@ -6,12 +6,24 @@
31659 static inline unsigned long
31660 ex_insn_addr(const struct exception_table_entry *x)
31661 {
31662 - return (unsigned long)&x->insn + x->insn;
31663 + unsigned long reloc = 0;
31664 +
31665 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
31666 + reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
31667 +#endif
31668 +
31669 + return (unsigned long)&x->insn + x->insn + reloc;
31670 }
31671 static inline unsigned long
31672 ex_fixup_addr(const struct exception_table_entry *x)
31673 {
31674 - return (unsigned long)&x->fixup + x->fixup;
31675 + unsigned long reloc = 0;
31676 +
31677 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
31678 + reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
31679 +#endif
31680 +
31681 + return (unsigned long)&x->fixup + x->fixup + reloc;
31682 }
31683
31684 int fixup_exception(struct pt_regs *regs)
31685 @@ -20,7 +32,7 @@ int fixup_exception(struct pt_regs *regs)
31686 unsigned long new_ip;
31687
31688 #ifdef CONFIG_PNPBIOS
31689 - if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) {
31690 + if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) {
31691 extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
31692 extern u32 pnp_bios_is_utter_crap;
31693 pnp_bios_is_utter_crap = 1;
31694 @@ -145,6 +157,13 @@ void sort_extable(struct exception_table_entry *start,
31695 i += 4;
31696 p->fixup -= i;
31697 i += 4;
31698 +
31699 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
31700 + BUILD_BUG_ON(!IS_ENABLED(CONFIG_BUILDTIME_EXTABLE_SORT));
31701 + p->insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
31702 + p->fixup -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR;
31703 +#endif
31704 +
31705 }
31706 }
31707
31708 diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
31709 index d973e61..fb868e9 100644
31710 --- a/arch/x86/mm/fault.c
31711 +++ b/arch/x86/mm/fault.c
31712 @@ -13,12 +13,19 @@
31713 #include <linux/hugetlb.h> /* hstate_index_to_shift */
31714 #include <linux/prefetch.h> /* prefetchw */
31715 #include <linux/context_tracking.h> /* exception_enter(), ... */
31716 +#include <linux/unistd.h>
31717 +#include <linux/compiler.h>
31718
31719 #include <asm/traps.h> /* dotraplinkage, ... */
31720 #include <asm/pgalloc.h> /* pgd_*(), ... */
31721 #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */
31722 #include <asm/fixmap.h> /* VSYSCALL_ADDR */
31723 #include <asm/vsyscall.h> /* emulate_vsyscall */
31724 +#include <asm/tlbflush.h>
31725 +
31726 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
31727 +#include <asm/stacktrace.h>
31728 +#endif
31729
31730 #define CREATE_TRACE_POINTS
31731 #include <asm/trace/exceptions.h>
31732 @@ -59,7 +66,7 @@ static nokprobe_inline int kprobes_fault(struct pt_regs *regs)
31733 int ret = 0;
31734
31735 /* kprobe_running() needs smp_processor_id() */
31736 - if (kprobes_built_in() && !user_mode_vm(regs)) {
31737 + if (kprobes_built_in() && !user_mode(regs)) {
31738 preempt_disable();
31739 if (kprobe_running() && kprobe_fault_handler(regs, 14))
31740 ret = 1;
31741 @@ -120,7 +127,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
31742 return !instr_lo || (instr_lo>>1) == 1;
31743 case 0x00:
31744 /* Prefetch instruction is 0x0F0D or 0x0F18 */
31745 - if (probe_kernel_address(instr, opcode))
31746 + if (user_mode(regs)) {
31747 + if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
31748 + return 0;
31749 + } else if (probe_kernel_address(instr, opcode))
31750 return 0;
31751
31752 *prefetch = (instr_lo == 0xF) &&
31753 @@ -154,7 +164,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr)
31754 while (instr < max_instr) {
31755 unsigned char opcode;
31756
31757 - if (probe_kernel_address(instr, opcode))
31758 + if (user_mode(regs)) {
31759 + if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1))
31760 + break;
31761 + } else if (probe_kernel_address(instr, opcode))
31762 break;
31763
31764 instr++;
31765 @@ -185,6 +198,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
31766 force_sig_info(si_signo, &info, tsk);
31767 }
31768
31769 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
31770 +static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address);
31771 +#endif
31772 +
31773 +#ifdef CONFIG_PAX_EMUTRAMP
31774 +static int pax_handle_fetch_fault(struct pt_regs *regs);
31775 +#endif
31776 +
31777 +#ifdef CONFIG_PAX_PAGEEXEC
31778 +static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address)
31779 +{
31780 + pgd_t *pgd;
31781 + pud_t *pud;
31782 + pmd_t *pmd;
31783 +
31784 + pgd = pgd_offset(mm, address);
31785 + if (!pgd_present(*pgd))
31786 + return NULL;
31787 + pud = pud_offset(pgd, address);
31788 + if (!pud_present(*pud))
31789 + return NULL;
31790 + pmd = pmd_offset(pud, address);
31791 + if (!pmd_present(*pmd))
31792 + return NULL;
31793 + return pmd;
31794 +}
31795 +#endif
31796 +
31797 DEFINE_SPINLOCK(pgd_lock);
31798 LIST_HEAD(pgd_list);
31799
31800 @@ -235,10 +276,27 @@ void vmalloc_sync_all(void)
31801 for (address = VMALLOC_START & PMD_MASK;
31802 address >= TASK_SIZE && address < FIXADDR_TOP;
31803 address += PMD_SIZE) {
31804 +
31805 +#ifdef CONFIG_PAX_PER_CPU_PGD
31806 + unsigned long cpu;
31807 +#else
31808 struct page *page;
31809 +#endif
31810
31811 spin_lock(&pgd_lock);
31812 +
31813 +#ifdef CONFIG_PAX_PER_CPU_PGD
31814 + for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
31815 + pgd_t *pgd = get_cpu_pgd(cpu, user);
31816 + pmd_t *ret;
31817 +
31818 + ret = vmalloc_sync_one(pgd, address);
31819 + if (!ret)
31820 + break;
31821 + pgd = get_cpu_pgd(cpu, kernel);
31822 +#else
31823 list_for_each_entry(page, &pgd_list, lru) {
31824 + pgd_t *pgd;
31825 spinlock_t *pgt_lock;
31826 pmd_t *ret;
31827
31828 @@ -246,8 +304,14 @@ void vmalloc_sync_all(void)
31829 pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
31830
31831 spin_lock(pgt_lock);
31832 - ret = vmalloc_sync_one(page_address(page), address);
31833 + pgd = page_address(page);
31834 +#endif
31835 +
31836 + ret = vmalloc_sync_one(pgd, address);
31837 +
31838 +#ifndef CONFIG_PAX_PER_CPU_PGD
31839 spin_unlock(pgt_lock);
31840 +#endif
31841
31842 if (!ret)
31843 break;
31844 @@ -281,6 +345,12 @@ static noinline int vmalloc_fault(unsigned long address)
31845 * an interrupt in the middle of a task switch..
31846 */
31847 pgd_paddr = read_cr3();
31848 +
31849 +#ifdef CONFIG_PAX_PER_CPU_PGD
31850 + BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (pgd_paddr & __PHYSICAL_MASK));
31851 + vmalloc_sync_one(__va(pgd_paddr + PAGE_SIZE), address);
31852 +#endif
31853 +
31854 pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
31855 if (!pmd_k)
31856 return -1;
31857 @@ -377,11 +447,25 @@ static noinline int vmalloc_fault(unsigned long address)
31858 * happen within a race in page table update. In the later
31859 * case just flush:
31860 */
31861 - pgd = pgd_offset(current->active_mm, address);
31862 +
31863 pgd_ref = pgd_offset_k(address);
31864 if (pgd_none(*pgd_ref))
31865 return -1;
31866
31867 +#ifdef CONFIG_PAX_PER_CPU_PGD
31868 + BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (read_cr3() & __PHYSICAL_MASK));
31869 + pgd = pgd_offset_cpu(smp_processor_id(), user, address);
31870 + if (pgd_none(*pgd)) {
31871 + set_pgd(pgd, *pgd_ref);
31872 + arch_flush_lazy_mmu_mode();
31873 + } else {
31874 + BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
31875 + }
31876 + pgd = pgd_offset_cpu(smp_processor_id(), kernel, address);
31877 +#else
31878 + pgd = pgd_offset(current->active_mm, address);
31879 +#endif
31880 +
31881 if (pgd_none(*pgd)) {
31882 set_pgd(pgd, *pgd_ref);
31883 arch_flush_lazy_mmu_mode();
31884 @@ -548,7 +632,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address)
31885 static int is_errata100(struct pt_regs *regs, unsigned long address)
31886 {
31887 #ifdef CONFIG_X86_64
31888 - if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32))
31889 + if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32))
31890 return 1;
31891 #endif
31892 return 0;
31893 @@ -575,9 +659,9 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
31894 }
31895
31896 static const char nx_warning[] = KERN_CRIT
31897 -"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n";
31898 +"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n";
31899 static const char smep_warning[] = KERN_CRIT
31900 -"unable to execute userspace code (SMEP?) (uid: %d)\n";
31901 +"unable to execute userspace code (SMEP?) (uid: %d, task: %s, pid: %d)\n";
31902
31903 static void
31904 show_fault_oops(struct pt_regs *regs, unsigned long error_code,
31905 @@ -586,7 +670,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
31906 if (!oops_may_print())
31907 return;
31908
31909 - if (error_code & PF_INSTR) {
31910 + if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) {
31911 unsigned int level;
31912 pgd_t *pgd;
31913 pte_t *pte;
31914 @@ -597,13 +681,25 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
31915 pte = lookup_address_in_pgd(pgd, address, &level);
31916
31917 if (pte && pte_present(*pte) && !pte_exec(*pte))
31918 - printk(nx_warning, from_kuid(&init_user_ns, current_uid()));
31919 + printk(nx_warning, from_kuid_munged(&init_user_ns, current_uid()), current->comm, task_pid_nr(current));
31920 if (pte && pte_present(*pte) && pte_exec(*pte) &&
31921 (pgd_flags(*pgd) & _PAGE_USER) &&
31922 (read_cr4() & X86_CR4_SMEP))
31923 - printk(smep_warning, from_kuid(&init_user_ns, current_uid()));
31924 + printk(smep_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current));
31925 }
31926
31927 +#ifdef CONFIG_PAX_KERNEXEC
31928 + if (init_mm.start_code <= address && address < init_mm.end_code) {
31929 + if (current->signal->curr_ip)
31930 + printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n",
31931 + &current->signal->curr_ip, current->comm, task_pid_nr(current),
31932 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
31933 + else
31934 + printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current),
31935 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
31936 + }
31937 +#endif
31938 +
31939 printk(KERN_ALERT "BUG: unable to handle kernel ");
31940 if (address < PAGE_SIZE)
31941 printk(KERN_CONT "NULL pointer dereference");
31942 @@ -782,6 +878,22 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
31943 return;
31944 }
31945 #endif
31946 +
31947 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
31948 + if (pax_is_fetch_fault(regs, error_code, address)) {
31949 +
31950 +#ifdef CONFIG_PAX_EMUTRAMP
31951 + switch (pax_handle_fetch_fault(regs)) {
31952 + case 2:
31953 + return;
31954 + }
31955 +#endif
31956 +
31957 + pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
31958 + do_group_exit(SIGKILL);
31959 + }
31960 +#endif
31961 +
31962 /* Kernel addresses are always protection faults: */
31963 if (address >= TASK_SIZE)
31964 error_code |= PF_PROT;
31965 @@ -867,7 +979,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
31966 if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
31967 printk(KERN_ERR
31968 "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
31969 - tsk->comm, tsk->pid, address);
31970 + tsk->comm, task_pid_nr(tsk), address);
31971 code = BUS_MCEERR_AR;
31972 }
31973 #endif
31974 @@ -921,6 +1033,99 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte)
31975 return 1;
31976 }
31977
31978 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
31979 +static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code)
31980 +{
31981 + pte_t *pte;
31982 + pmd_t *pmd;
31983 + spinlock_t *ptl;
31984 + unsigned char pte_mask;
31985 +
31986 + if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) ||
31987 + !(mm->pax_flags & MF_PAX_PAGEEXEC))
31988 + return 0;
31989 +
31990 + /* PaX: it's our fault, let's handle it if we can */
31991 +
31992 + /* PaX: take a look at read faults before acquiring any locks */
31993 + if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) {
31994 + /* instruction fetch attempt from a protected page in user mode */
31995 + up_read(&mm->mmap_sem);
31996 +
31997 +#ifdef CONFIG_PAX_EMUTRAMP
31998 + switch (pax_handle_fetch_fault(regs)) {
31999 + case 2:
32000 + return 1;
32001 + }
32002 +#endif
32003 +
32004 + pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp);
32005 + do_group_exit(SIGKILL);
32006 + }
32007 +
32008 + pmd = pax_get_pmd(mm, address);
32009 + if (unlikely(!pmd))
32010 + return 0;
32011 +
32012 + pte = pte_offset_map_lock(mm, pmd, address, &ptl);
32013 + if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) {
32014 + pte_unmap_unlock(pte, ptl);
32015 + return 0;
32016 + }
32017 +
32018 + if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) {
32019 + /* write attempt to a protected page in user mode */
32020 + pte_unmap_unlock(pte, ptl);
32021 + return 0;
32022 + }
32023 +
32024 +#ifdef CONFIG_SMP
32025 + if (likely(address > get_limit(regs->cs) && cpu_isset(smp_processor_id(), mm->context.cpu_user_cs_mask)))
32026 +#else
32027 + if (likely(address > get_limit(regs->cs)))
32028 +#endif
32029 + {
32030 + set_pte(pte, pte_mkread(*pte));
32031 + __flush_tlb_one(address);
32032 + pte_unmap_unlock(pte, ptl);
32033 + up_read(&mm->mmap_sem);
32034 + return 1;
32035 + }
32036 +
32037 + pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1));
32038 +
32039 + /*
32040 + * PaX: fill DTLB with user rights and retry
32041 + */
32042 + __asm__ __volatile__ (
32043 + "orb %2,(%1)\n"
32044 +#if defined(CONFIG_M586) || defined(CONFIG_M586TSC)
32045 +/*
32046 + * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's
32047 + * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any*
32048 + * page fault when examined during a TLB load attempt. this is true not only
32049 + * for PTEs holding a non-present entry but also present entries that will
32050 + * raise a page fault (such as those set up by PaX, or the copy-on-write
32051 + * mechanism). in effect it means that we do *not* need to flush the TLBs
32052 + * for our target pages since their PTEs are simply not in the TLBs at all.
32053 +
32054 + * the best thing in omitting it is that we gain around 15-20% speed in the
32055 + * fast path of the page fault handler and can get rid of tracing since we
32056 + * can no longer flush unintended entries.
32057 + */
32058 + "invlpg (%0)\n"
32059 +#endif
32060 + __copyuser_seg"testb $0,(%0)\n"
32061 + "xorb %3,(%1)\n"
32062 + :
32063 + : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER)
32064 + : "memory", "cc");
32065 + pte_unmap_unlock(pte, ptl);
32066 + up_read(&mm->mmap_sem);
32067 + return 1;
32068 +}
32069 +#endif
32070 +
32071 /*
32072 * Handle a spurious fault caused by a stale TLB entry.
32073 *
32074 @@ -1006,6 +1211,9 @@ int show_unhandled_signals = 1;
32075 static inline int
32076 access_error(unsigned long error_code, struct vm_area_struct *vma)
32077 {
32078 + if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC))
32079 + return 1;
32080 +
32081 if (error_code & PF_WRITE) {
32082 /* write, present and write, not present: */
32083 if (unlikely(!(vma->vm_flags & VM_WRITE)))
32084 @@ -1040,7 +1248,7 @@ static inline bool smap_violation(int error_code, struct pt_regs *regs)
32085 if (error_code & PF_USER)
32086 return false;
32087
32088 - if (!user_mode_vm(regs) && (regs->flags & X86_EFLAGS_AC))
32089 + if (!user_mode(regs) && (regs->flags & X86_EFLAGS_AC))
32090 return false;
32091
32092 return true;
32093 @@ -1068,6 +1276,22 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code,
32094 tsk = current;
32095 mm = tsk->mm;
32096
32097 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
32098 + if (!user_mode(regs) && address < 2 * pax_user_shadow_base) {
32099 + if (!search_exception_tables(regs->ip)) {
32100 + printk(KERN_ERR "PAX: please report this to pageexec@freemail.hu\n");
32101 + bad_area_nosemaphore(regs, error_code, address);
32102 + return;
32103 + }
32104 + if (address < pax_user_shadow_base) {
32105 + printk(KERN_ERR "PAX: please report this to pageexec@freemail.hu\n");
32106 + printk(KERN_ERR "PAX: faulting IP: %pS\n", (void *)regs->ip);
32107 + show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_ERR);
32108 + } else
32109 + address -= pax_user_shadow_base;
32110 + }
32111 +#endif
32112 +
32113 /*
32114 * Detect and handle instructions that would cause a page fault for
32115 * both a tracked kernel page and a userspace page.
32116 @@ -1145,7 +1369,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code,
32117 * User-mode registers count as a user access even for any
32118 * potential system fault or CPU buglet:
32119 */
32120 - if (user_mode_vm(regs)) {
32121 + if (user_mode(regs)) {
32122 local_irq_enable();
32123 error_code |= PF_USER;
32124 flags |= FAULT_FLAG_USER;
32125 @@ -1192,6 +1416,11 @@ retry:
32126 might_sleep();
32127 }
32128
32129 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC)
32130 + if (pax_handle_pageexec_fault(regs, mm, address, error_code))
32131 + return;
32132 +#endif
32133 +
32134 vma = find_vma(mm, address);
32135 if (unlikely(!vma)) {
32136 bad_area(regs, error_code, address);
32137 @@ -1203,18 +1432,24 @@ retry:
32138 bad_area(regs, error_code, address);
32139 return;
32140 }
32141 - if (error_code & PF_USER) {
32142 - /*
32143 - * Accessing the stack below %sp is always a bug.
32144 - * The large cushion allows instructions like enter
32145 - * and pusha to work. ("enter $65535, $31" pushes
32146 - * 32 pointers and then decrements %sp by 65535.)
32147 - */
32148 - if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) {
32149 - bad_area(regs, error_code, address);
32150 - return;
32151 - }
32152 + /*
32153 + * Accessing the stack below %sp is always a bug.
32154 + * The large cushion allows instructions like enter
32155 + * and pusha to work. ("enter $65535, $31" pushes
32156 + * 32 pointers and then decrements %sp by 65535.)
32157 + */
32158 + if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) {
32159 + bad_area(regs, error_code, address);
32160 + return;
32161 }
32162 +
32163 +#ifdef CONFIG_PAX_SEGMEXEC
32164 + if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) {
32165 + bad_area(regs, error_code, address);
32166 + return;
32167 + }
32168 +#endif
32169 +
32170 if (unlikely(expand_stack(vma, address))) {
32171 bad_area(regs, error_code, address);
32172 return;
32173 @@ -1331,3 +1566,292 @@ trace_do_page_fault(struct pt_regs *regs, unsigned long error_code)
32174 }
32175 NOKPROBE_SYMBOL(trace_do_page_fault);
32176 #endif /* CONFIG_TRACING */
32177 +
32178 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
32179 +static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address)
32180 +{
32181 + struct mm_struct *mm = current->mm;
32182 + unsigned long ip = regs->ip;
32183 +
32184 + if (v8086_mode(regs))
32185 + ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff);
32186 +
32187 +#ifdef CONFIG_PAX_PAGEEXEC
32188 + if (mm->pax_flags & MF_PAX_PAGEEXEC) {
32189 + if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR))
32190 + return true;
32191 + if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address)
32192 + return true;
32193 + return false;
32194 + }
32195 +#endif
32196 +
32197 +#ifdef CONFIG_PAX_SEGMEXEC
32198 + if (mm->pax_flags & MF_PAX_SEGMEXEC) {
32199 + if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address))
32200 + return true;
32201 + return false;
32202 + }
32203 +#endif
32204 +
32205 + return false;
32206 +}
32207 +#endif
32208 +
32209 +#ifdef CONFIG_PAX_EMUTRAMP
32210 +static int pax_handle_fetch_fault_32(struct pt_regs *regs)
32211 +{
32212 + int err;
32213 +
32214 + do { /* PaX: libffi trampoline emulation */
32215 + unsigned char mov, jmp;
32216 + unsigned int addr1, addr2;
32217 +
32218 +#ifdef CONFIG_X86_64
32219 + if ((regs->ip + 9) >> 32)
32220 + break;
32221 +#endif
32222 +
32223 + err = get_user(mov, (unsigned char __user *)regs->ip);
32224 + err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
32225 + err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
32226 + err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
32227 +
32228 + if (err)
32229 + break;
32230 +
32231 + if (mov == 0xB8 && jmp == 0xE9) {
32232 + regs->ax = addr1;
32233 + regs->ip = (unsigned int)(regs->ip + addr2 + 10);
32234 + return 2;
32235 + }
32236 + } while (0);
32237 +
32238 + do { /* PaX: gcc trampoline emulation #1 */
32239 + unsigned char mov1, mov2;
32240 + unsigned short jmp;
32241 + unsigned int addr1, addr2;
32242 +
32243 +#ifdef CONFIG_X86_64
32244 + if ((regs->ip + 11) >> 32)
32245 + break;
32246 +#endif
32247 +
32248 + err = get_user(mov1, (unsigned char __user *)regs->ip);
32249 + err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
32250 + err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5));
32251 + err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
32252 + err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10));
32253 +
32254 + if (err)
32255 + break;
32256 +
32257 + if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) {
32258 + regs->cx = addr1;
32259 + regs->ax = addr2;
32260 + regs->ip = addr2;
32261 + return 2;
32262 + }
32263 + } while (0);
32264 +
32265 + do { /* PaX: gcc trampoline emulation #2 */
32266 + unsigned char mov, jmp;
32267 + unsigned int addr1, addr2;
32268 +
32269 +#ifdef CONFIG_X86_64
32270 + if ((regs->ip + 9) >> 32)
32271 + break;
32272 +#endif
32273 +
32274 + err = get_user(mov, (unsigned char __user *)regs->ip);
32275 + err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1));
32276 + err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5));
32277 + err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6));
32278 +
32279 + if (err)
32280 + break;
32281 +
32282 + if (mov == 0xB9 && jmp == 0xE9) {
32283 + regs->cx = addr1;
32284 + regs->ip = (unsigned int)(regs->ip + addr2 + 10);
32285 + return 2;
32286 + }
32287 + } while (0);
32288 +
32289 + return 1; /* PaX in action */
32290 +}
32291 +
32292 +#ifdef CONFIG_X86_64
32293 +static int pax_handle_fetch_fault_64(struct pt_regs *regs)
32294 +{
32295 + int err;
32296 +
32297 + do { /* PaX: libffi trampoline emulation */
32298 + unsigned short mov1, mov2, jmp1;
32299 + unsigned char stcclc, jmp2;
32300 + unsigned long addr1, addr2;
32301 +
32302 + err = get_user(mov1, (unsigned short __user *)regs->ip);
32303 + err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
32304 + err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
32305 + err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
32306 + err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20));
32307 + err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21));
32308 + err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23));
32309 +
32310 + if (err)
32311 + break;
32312 +
32313 + if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) {
32314 + regs->r11 = addr1;
32315 + regs->r10 = addr2;
32316 + if (stcclc == 0xF8)
32317 + regs->flags &= ~X86_EFLAGS_CF;
32318 + else
32319 + regs->flags |= X86_EFLAGS_CF;
32320 + regs->ip = addr1;
32321 + return 2;
32322 + }
32323 + } while (0);
32324 +
32325 + do { /* PaX: gcc trampoline emulation #1 */
32326 + unsigned short mov1, mov2, jmp1;
32327 + unsigned char jmp2;
32328 + unsigned int addr1;
32329 + unsigned long addr2;
32330 +
32331 + err = get_user(mov1, (unsigned short __user *)regs->ip);
32332 + err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2));
32333 + err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6));
32334 + err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8));
32335 + err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16));
32336 + err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18));
32337 +
32338 + if (err)
32339 + break;
32340 +
32341 + if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
32342 + regs->r11 = addr1;
32343 + regs->r10 = addr2;
32344 + regs->ip = addr1;
32345 + return 2;
32346 + }
32347 + } while (0);
32348 +
32349 + do { /* PaX: gcc trampoline emulation #2 */
32350 + unsigned short mov1, mov2, jmp1;
32351 + unsigned char jmp2;
32352 + unsigned long addr1, addr2;
32353 +
32354 + err = get_user(mov1, (unsigned short __user *)regs->ip);
32355 + err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2));
32356 + err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10));
32357 + err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12));
32358 + err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20));
32359 + err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22));
32360 +
32361 + if (err)
32362 + break;
32363 +
32364 + if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) {
32365 + regs->r11 = addr1;
32366 + regs->r10 = addr2;
32367 + regs->ip = addr1;
32368 + return 2;
32369 + }
32370 + } while (0);
32371 +
32372 + return 1; /* PaX in action */
32373 +}
32374 +#endif
32375 +
32376 +/*
32377 + * PaX: decide what to do with offenders (regs->ip = fault address)
32378 + *
32379 + * returns 1 when task should be killed
32380 + * 2 when gcc trampoline was detected
32381 + */
32382 +static int pax_handle_fetch_fault(struct pt_regs *regs)
32383 +{
32384 + if (v8086_mode(regs))
32385 + return 1;
32386 +
32387 + if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP))
32388 + return 1;
32389 +
32390 +#ifdef CONFIG_X86_32
32391 + return pax_handle_fetch_fault_32(regs);
32392 +#else
32393 + if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))
32394 + return pax_handle_fetch_fault_32(regs);
32395 + else
32396 + return pax_handle_fetch_fault_64(regs);
32397 +#endif
32398 +}
32399 +#endif
32400 +
32401 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
32402 +void pax_report_insns(struct pt_regs *regs, void *pc, void *sp)
32403 +{
32404 + long i;
32405 +
32406 + printk(KERN_ERR "PAX: bytes at PC: ");
32407 + for (i = 0; i < 20; i++) {
32408 + unsigned char c;
32409 + if (get_user(c, (unsigned char __force_user *)pc+i))
32410 + printk(KERN_CONT "?? ");
32411 + else
32412 + printk(KERN_CONT "%02x ", c);
32413 + }
32414 + printk("\n");
32415 +
32416 + printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long));
32417 + for (i = -1; i < 80 / (long)sizeof(long); i++) {
32418 + unsigned long c;
32419 + if (get_user(c, (unsigned long __force_user *)sp+i)) {
32420 +#ifdef CONFIG_X86_32
32421 + printk(KERN_CONT "???????? ");
32422 +#else
32423 + if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)))
32424 + printk(KERN_CONT "???????? ???????? ");
32425 + else
32426 + printk(KERN_CONT "???????????????? ");
32427 +#endif
32428 + } else {
32429 +#ifdef CONFIG_X86_64
32430 + if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) {
32431 + printk(KERN_CONT "%08x ", (unsigned int)c);
32432 + printk(KERN_CONT "%08x ", (unsigned int)(c >> 32));
32433 + } else
32434 +#endif
32435 + printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c);
32436 + }
32437 + }
32438 + printk("\n");
32439 +}
32440 +#endif
32441 +
32442 +/**
32443 + * probe_kernel_write(): safely attempt to write to a location
32444 + * @dst: address to write to
32445 + * @src: pointer to the data that shall be written
32446 + * @size: size of the data chunk
32447 + *
32448 + * Safely write to address @dst from the buffer at @src. If a kernel fault
32449 + * happens, handle that and return -EFAULT.
32450 + */
32451 +long notrace probe_kernel_write(void *dst, const void *src, size_t size)
32452 +{
32453 + long ret;
32454 + mm_segment_t old_fs = get_fs();
32455 +
32456 + set_fs(KERNEL_DS);
32457 + pagefault_disable();
32458 + pax_open_kernel();
32459 + ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
32460 + pax_close_kernel();
32461 + pagefault_enable();
32462 + set_fs(old_fs);
32463 +
32464 + return ret ? -EFAULT : 0;
32465 +}
32466 diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
32467 index 207d9aef..69030980 100644
32468 --- a/arch/x86/mm/gup.c
32469 +++ b/arch/x86/mm/gup.c
32470 @@ -268,7 +268,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
32471 addr = start;
32472 len = (unsigned long) nr_pages << PAGE_SHIFT;
32473 end = start + len;
32474 - if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
32475 + if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ,
32476 (void __user *)start, len)))
32477 return 0;
32478
32479 @@ -344,6 +344,10 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
32480 goto slow_irqon;
32481 #endif
32482
32483 + if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ,
32484 + (void __user *)start, len)))
32485 + return 0;
32486 +
32487 /*
32488 * XXX: batch / limit 'nr', to avoid large irq off latency
32489 * needs some instrumenting to determine the common sizes used by
32490 diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
32491 index 4500142..53a363c 100644
32492 --- a/arch/x86/mm/highmem_32.c
32493 +++ b/arch/x86/mm/highmem_32.c
32494 @@ -45,7 +45,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot)
32495 idx = type + KM_TYPE_NR*smp_processor_id();
32496 vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
32497 BUG_ON(!pte_none(*(kmap_pte-idx)));
32498 +
32499 + pax_open_kernel();
32500 set_pte(kmap_pte-idx, mk_pte(page, prot));
32501 + pax_close_kernel();
32502 +
32503 arch_flush_lazy_mmu_mode();
32504
32505 return (void *)vaddr;
32506 diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
32507 index 8b977eb..4732c33 100644
32508 --- a/arch/x86/mm/hugetlbpage.c
32509 +++ b/arch/x86/mm/hugetlbpage.c
32510 @@ -80,23 +80,24 @@ int pud_huge(pud_t pud)
32511 #ifdef CONFIG_HUGETLB_PAGE
32512 static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
32513 unsigned long addr, unsigned long len,
32514 - unsigned long pgoff, unsigned long flags)
32515 + unsigned long pgoff, unsigned long flags, unsigned long offset)
32516 {
32517 struct hstate *h = hstate_file(file);
32518 struct vm_unmapped_area_info info;
32519 -
32520 +
32521 info.flags = 0;
32522 info.length = len;
32523 info.low_limit = current->mm->mmap_legacy_base;
32524 info.high_limit = TASK_SIZE;
32525 info.align_mask = PAGE_MASK & ~huge_page_mask(h);
32526 info.align_offset = 0;
32527 + info.threadstack_offset = offset;
32528 return vm_unmapped_area(&info);
32529 }
32530
32531 static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
32532 unsigned long addr0, unsigned long len,
32533 - unsigned long pgoff, unsigned long flags)
32534 + unsigned long pgoff, unsigned long flags, unsigned long offset)
32535 {
32536 struct hstate *h = hstate_file(file);
32537 struct vm_unmapped_area_info info;
32538 @@ -108,6 +109,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
32539 info.high_limit = current->mm->mmap_base;
32540 info.align_mask = PAGE_MASK & ~huge_page_mask(h);
32541 info.align_offset = 0;
32542 + info.threadstack_offset = offset;
32543 addr = vm_unmapped_area(&info);
32544
32545 /*
32546 @@ -120,6 +122,12 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file,
32547 VM_BUG_ON(addr != -ENOMEM);
32548 info.flags = 0;
32549 info.low_limit = TASK_UNMAPPED_BASE;
32550 +
32551 +#ifdef CONFIG_PAX_RANDMMAP
32552 + if (current->mm->pax_flags & MF_PAX_RANDMMAP)
32553 + info.low_limit += current->mm->delta_mmap;
32554 +#endif
32555 +
32556 info.high_limit = TASK_SIZE;
32557 addr = vm_unmapped_area(&info);
32558 }
32559 @@ -134,10 +142,20 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
32560 struct hstate *h = hstate_file(file);
32561 struct mm_struct *mm = current->mm;
32562 struct vm_area_struct *vma;
32563 + unsigned long pax_task_size = TASK_SIZE;
32564 + unsigned long offset = gr_rand_threadstack_offset(mm, file, flags);
32565
32566 if (len & ~huge_page_mask(h))
32567 return -EINVAL;
32568 - if (len > TASK_SIZE)
32569 +
32570 +#ifdef CONFIG_PAX_SEGMEXEC
32571 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
32572 + pax_task_size = SEGMEXEC_TASK_SIZE;
32573 +#endif
32574 +
32575 + pax_task_size -= PAGE_SIZE;
32576 +
32577 + if (len > pax_task_size)
32578 return -ENOMEM;
32579
32580 if (flags & MAP_FIXED) {
32581 @@ -146,19 +164,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
32582 return addr;
32583 }
32584
32585 +#ifdef CONFIG_PAX_RANDMMAP
32586 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
32587 +#endif
32588 +
32589 if (addr) {
32590 addr = ALIGN(addr, huge_page_size(h));
32591 vma = find_vma(mm, addr);
32592 - if (TASK_SIZE - len >= addr &&
32593 - (!vma || addr + len <= vma->vm_start))
32594 + if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
32595 return addr;
32596 }
32597 if (mm->get_unmapped_area == arch_get_unmapped_area)
32598 return hugetlb_get_unmapped_area_bottomup(file, addr, len,
32599 - pgoff, flags);
32600 + pgoff, flags, offset);
32601 else
32602 return hugetlb_get_unmapped_area_topdown(file, addr, len,
32603 - pgoff, flags);
32604 + pgoff, flags, offset);
32605 }
32606 #endif /* CONFIG_HUGETLB_PAGE */
32607
32608 diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
32609 index 66dba36..f8082ec 100644
32610 --- a/arch/x86/mm/init.c
32611 +++ b/arch/x86/mm/init.c
32612 @@ -4,6 +4,7 @@
32613 #include <linux/swap.h>
32614 #include <linux/memblock.h>
32615 #include <linux/bootmem.h> /* for max_low_pfn */
32616 +#include <linux/tboot.h>
32617
32618 #include <asm/cacheflush.h>
32619 #include <asm/e820.h>
32620 @@ -17,6 +18,8 @@
32621 #include <asm/proto.h>
32622 #include <asm/dma.h> /* for MAX_DMA_PFN */
32623 #include <asm/microcode.h>
32624 +#include <asm/desc.h>
32625 +#include <asm/bios_ebda.h>
32626
32627 /*
32628 * We need to define the tracepoints somewhere, and tlb.c
32629 @@ -570,7 +573,18 @@ void __init init_mem_mapping(void)
32630 early_ioremap_page_table_range_init();
32631 #endif
32632
32633 +#ifdef CONFIG_PAX_PER_CPU_PGD
32634 + clone_pgd_range(get_cpu_pgd(0, kernel) + KERNEL_PGD_BOUNDARY,
32635 + swapper_pg_dir + KERNEL_PGD_BOUNDARY,
32636 + KERNEL_PGD_PTRS);
32637 + clone_pgd_range(get_cpu_pgd(0, user) + KERNEL_PGD_BOUNDARY,
32638 + swapper_pg_dir + KERNEL_PGD_BOUNDARY,
32639 + KERNEL_PGD_PTRS);
32640 + load_cr3(get_cpu_pgd(0, kernel));
32641 +#else
32642 load_cr3(swapper_pg_dir);
32643 +#endif
32644 +
32645 __flush_tlb_all();
32646
32647 early_memtest(0, max_pfn_mapped << PAGE_SHIFT);
32648 @@ -586,10 +600,40 @@ void __init init_mem_mapping(void)
32649 * Access has to be given to non-kernel-ram areas as well, these contain the PCI
32650 * mmio resources as well as potential bios/acpi data regions.
32651 */
32652 +
32653 +#ifdef CONFIG_GRKERNSEC_KMEM
32654 +static unsigned int ebda_start __read_only;
32655 +static unsigned int ebda_end __read_only;
32656 +#endif
32657 +
32658 int devmem_is_allowed(unsigned long pagenr)
32659 {
32660 - if (pagenr < 256)
32661 +#ifdef CONFIG_GRKERNSEC_KMEM
32662 + /* allow BDA */
32663 + if (!pagenr)
32664 return 1;
32665 + /* allow EBDA */
32666 + if (pagenr >= ebda_start && pagenr < ebda_end)
32667 + return 1;
32668 + /* if tboot is in use, allow access to its hardcoded serial log range */
32669 + if (tboot_enabled() && ((0x60000 >> PAGE_SHIFT) <= pagenr) && (pagenr < (0x68000 >> PAGE_SHIFT)))
32670 + return 1;
32671 +#else
32672 + if (!pagenr)
32673 + return 1;
32674 +#ifdef CONFIG_VM86
32675 + if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT))
32676 + return 1;
32677 +#endif
32678 +#endif
32679 +
32680 + if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT))
32681 + return 1;
32682 +#ifdef CONFIG_GRKERNSEC_KMEM
32683 + /* throw out everything else below 1MB */
32684 + if (pagenr <= 256)
32685 + return 0;
32686 +#endif
32687 if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
32688 return 0;
32689 if (!page_is_ram(pagenr))
32690 @@ -635,8 +679,117 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
32691 #endif
32692 }
32693
32694 +#ifdef CONFIG_GRKERNSEC_KMEM
32695 +static inline void gr_init_ebda(void)
32696 +{
32697 + unsigned int ebda_addr;
32698 + unsigned int ebda_size = 0;
32699 +
32700 + ebda_addr = get_bios_ebda();
32701 + if (ebda_addr) {
32702 + ebda_size = *(unsigned char *)phys_to_virt(ebda_addr);
32703 + ebda_size <<= 10;
32704 + }
32705 + if (ebda_addr && ebda_size) {
32706 + ebda_start = ebda_addr >> PAGE_SHIFT;
32707 + ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT;
32708 + } else {
32709 + ebda_start = 0x9f000 >> PAGE_SHIFT;
32710 + ebda_end = 0xa0000 >> PAGE_SHIFT;
32711 + }
32712 +}
32713 +#else
32714 +static inline void gr_init_ebda(void) { }
32715 +#endif
32716 +
32717 void free_initmem(void)
32718 {
32719 +#ifdef CONFIG_PAX_KERNEXEC
32720 +#ifdef CONFIG_X86_32
32721 + /* PaX: limit KERNEL_CS to actual size */
32722 + unsigned long addr, limit;
32723 + struct desc_struct d;
32724 + int cpu;
32725 +#else
32726 + pgd_t *pgd;
32727 + pud_t *pud;
32728 + pmd_t *pmd;
32729 + unsigned long addr, end;
32730 +#endif
32731 +#endif
32732 +
32733 + gr_init_ebda();
32734 +
32735 +#ifdef CONFIG_PAX_KERNEXEC
32736 +#ifdef CONFIG_X86_32
32737 + limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext;
32738 + limit = (limit - 1UL) >> PAGE_SHIFT;
32739 +
32740 + memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE);
32741 + for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
32742 + pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC);
32743 + write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S);
32744 + write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEXEC_KERNEL_CS, &d, DESCTYPE_S);
32745 + }
32746 +
32747 + /* PaX: make KERNEL_CS read-only */
32748 + addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text));
32749 + if (!paravirt_enabled())
32750 + set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT);
32751 +/*
32752 + for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) {
32753 + pgd = pgd_offset_k(addr);
32754 + pud = pud_offset(pgd, addr);
32755 + pmd = pmd_offset(pud, addr);
32756 + set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
32757 + }
32758 +*/
32759 +#ifdef CONFIG_X86_PAE
32760 + set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT);
32761 +/*
32762 + for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) {
32763 + pgd = pgd_offset_k(addr);
32764 + pud = pud_offset(pgd, addr);
32765 + pmd = pmd_offset(pud, addr);
32766 + set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
32767 + }
32768 +*/
32769 +#endif
32770 +
32771 +#ifdef CONFIG_MODULES
32772 + set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT);
32773 +#endif
32774 +
32775 +#else
32776 + /* PaX: make kernel code/rodata read-only, rest non-executable */
32777 + for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) {
32778 + pgd = pgd_offset_k(addr);
32779 + pud = pud_offset(pgd, addr);
32780 + pmd = pmd_offset(pud, addr);
32781 + if (!pmd_present(*pmd))
32782 + continue;
32783 + if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata)
32784 + set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
32785 + else
32786 + set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask)));
32787 + }
32788 +
32789 + addr = (unsigned long)__va(__pa(__START_KERNEL_map));
32790 + end = addr + KERNEL_IMAGE_SIZE;
32791 + for (; addr < end; addr += PMD_SIZE) {
32792 + pgd = pgd_offset_k(addr);
32793 + pud = pud_offset(pgd, addr);
32794 + pmd = pmd_offset(pud, addr);
32795 + if (!pmd_present(*pmd))
32796 + continue;
32797 + if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata)))
32798 + set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW));
32799 + }
32800 +#endif
32801 +
32802 + flush_tlb_all();
32803 +#endif
32804 +
32805 free_init_pages("unused kernel",
32806 (unsigned long)(&__init_begin),
32807 (unsigned long)(&__init_end));
32808 diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
32809 index c8140e1..59257fc 100644
32810 --- a/arch/x86/mm/init_32.c
32811 +++ b/arch/x86/mm/init_32.c
32812 @@ -62,33 +62,6 @@ static noinline int do_test_wp_bit(void);
32813 bool __read_mostly __vmalloc_start_set = false;
32814
32815 /*
32816 - * Creates a middle page table and puts a pointer to it in the
32817 - * given global directory entry. This only returns the gd entry
32818 - * in non-PAE compilation mode, since the middle layer is folded.
32819 - */
32820 -static pmd_t * __init one_md_table_init(pgd_t *pgd)
32821 -{
32822 - pud_t *pud;
32823 - pmd_t *pmd_table;
32824 -
32825 -#ifdef CONFIG_X86_PAE
32826 - if (!(pgd_val(*pgd) & _PAGE_PRESENT)) {
32827 - pmd_table = (pmd_t *)alloc_low_page();
32828 - paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT);
32829 - set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT));
32830 - pud = pud_offset(pgd, 0);
32831 - BUG_ON(pmd_table != pmd_offset(pud, 0));
32832 -
32833 - return pmd_table;
32834 - }
32835 -#endif
32836 - pud = pud_offset(pgd, 0);
32837 - pmd_table = pmd_offset(pud, 0);
32838 -
32839 - return pmd_table;
32840 -}
32841 -
32842 -/*
32843 * Create a page table and place a pointer to it in a middle page
32844 * directory entry:
32845 */
32846 @@ -98,13 +71,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
32847 pte_t *page_table = (pte_t *)alloc_low_page();
32848
32849 paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT);
32850 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
32851 + set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE));
32852 +#else
32853 set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
32854 +#endif
32855 BUG_ON(page_table != pte_offset_kernel(pmd, 0));
32856 }
32857
32858 return pte_offset_kernel(pmd, 0);
32859 }
32860
32861 +static pmd_t * __init one_md_table_init(pgd_t *pgd)
32862 +{
32863 + pud_t *pud;
32864 + pmd_t *pmd_table;
32865 +
32866 + pud = pud_offset(pgd, 0);
32867 + pmd_table = pmd_offset(pud, 0);
32868 +
32869 + return pmd_table;
32870 +}
32871 +
32872 pmd_t * __init populate_extra_pmd(unsigned long vaddr)
32873 {
32874 int pgd_idx = pgd_index(vaddr);
32875 @@ -208,6 +196,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
32876 int pgd_idx, pmd_idx;
32877 unsigned long vaddr;
32878 pgd_t *pgd;
32879 + pud_t *pud;
32880 pmd_t *pmd;
32881 pte_t *pte = NULL;
32882 unsigned long count = page_table_range_init_count(start, end);
32883 @@ -222,8 +211,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
32884 pgd = pgd_base + pgd_idx;
32885
32886 for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) {
32887 - pmd = one_md_table_init(pgd);
32888 - pmd = pmd + pmd_index(vaddr);
32889 + pud = pud_offset(pgd, vaddr);
32890 + pmd = pmd_offset(pud, vaddr);
32891 +
32892 +#ifdef CONFIG_X86_PAE
32893 + paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
32894 +#endif
32895 +
32896 for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end);
32897 pmd++, pmd_idx++) {
32898 pte = page_table_kmap_check(one_page_table_init(pmd),
32899 @@ -235,11 +229,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
32900 }
32901 }
32902
32903 -static inline int is_kernel_text(unsigned long addr)
32904 +static inline int is_kernel_text(unsigned long start, unsigned long end)
32905 {
32906 - if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end)
32907 - return 1;
32908 - return 0;
32909 + if ((start >= ktla_ktva((unsigned long)_etext) ||
32910 + end <= ktla_ktva((unsigned long)_stext)) &&
32911 + (start >= ktla_ktva((unsigned long)_einittext) ||
32912 + end <= ktla_ktva((unsigned long)_sinittext)) &&
32913 +
32914 +#ifdef CONFIG_ACPI_SLEEP
32915 + (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) &&
32916 +#endif
32917 +
32918 + (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000)))
32919 + return 0;
32920 + return 1;
32921 }
32922
32923 /*
32924 @@ -256,9 +259,10 @@ kernel_physical_mapping_init(unsigned long start,
32925 unsigned long last_map_addr = end;
32926 unsigned long start_pfn, end_pfn;
32927 pgd_t *pgd_base = swapper_pg_dir;
32928 - int pgd_idx, pmd_idx, pte_ofs;
32929 + unsigned int pgd_idx, pmd_idx, pte_ofs;
32930 unsigned long pfn;
32931 pgd_t *pgd;
32932 + pud_t *pud;
32933 pmd_t *pmd;
32934 pte_t *pte;
32935 unsigned pages_2m, pages_4k;
32936 @@ -291,8 +295,13 @@ repeat:
32937 pfn = start_pfn;
32938 pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
32939 pgd = pgd_base + pgd_idx;
32940 - for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) {
32941 - pmd = one_md_table_init(pgd);
32942 + for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) {
32943 + pud = pud_offset(pgd, 0);
32944 + pmd = pmd_offset(pud, 0);
32945 +
32946 +#ifdef CONFIG_X86_PAE
32947 + paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT);
32948 +#endif
32949
32950 if (pfn >= end_pfn)
32951 continue;
32952 @@ -304,14 +313,13 @@ repeat:
32953 #endif
32954 for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn;
32955 pmd++, pmd_idx++) {
32956 - unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET;
32957 + unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET;
32958
32959 /*
32960 * Map with big pages if possible, otherwise
32961 * create normal page tables:
32962 */
32963 if (use_pse) {
32964 - unsigned int addr2;
32965 pgprot_t prot = PAGE_KERNEL_LARGE;
32966 /*
32967 * first pass will use the same initial
32968 @@ -322,11 +330,7 @@ repeat:
32969 _PAGE_PSE);
32970
32971 pfn &= PMD_MASK >> PAGE_SHIFT;
32972 - addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE +
32973 - PAGE_OFFSET + PAGE_SIZE-1;
32974 -
32975 - if (is_kernel_text(addr) ||
32976 - is_kernel_text(addr2))
32977 + if (is_kernel_text(address, address + PMD_SIZE))
32978 prot = PAGE_KERNEL_LARGE_EXEC;
32979
32980 pages_2m++;
32981 @@ -343,7 +347,7 @@ repeat:
32982 pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET);
32983 pte += pte_ofs;
32984 for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn;
32985 - pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) {
32986 + pte++, pfn++, pte_ofs++, address += PAGE_SIZE) {
32987 pgprot_t prot = PAGE_KERNEL;
32988 /*
32989 * first pass will use the same initial
32990 @@ -351,7 +355,7 @@ repeat:
32991 */
32992 pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR);
32993
32994 - if (is_kernel_text(addr))
32995 + if (is_kernel_text(address, address + PAGE_SIZE))
32996 prot = PAGE_KERNEL_EXEC;
32997
32998 pages_4k++;
32999 @@ -474,7 +478,7 @@ void __init native_pagetable_init(void)
33000
33001 pud = pud_offset(pgd, va);
33002 pmd = pmd_offset(pud, va);
33003 - if (!pmd_present(*pmd))
33004 + if (!pmd_present(*pmd)) // PAX TODO || pmd_large(*pmd))
33005 break;
33006
33007 /* should not be large page here */
33008 @@ -532,12 +536,10 @@ void __init early_ioremap_page_table_range_init(void)
33009
33010 static void __init pagetable_init(void)
33011 {
33012 - pgd_t *pgd_base = swapper_pg_dir;
33013 -
33014 - permanent_kmaps_init(pgd_base);
33015 + permanent_kmaps_init(swapper_pg_dir);
33016 }
33017
33018 -pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL);
33019 +pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL);
33020 EXPORT_SYMBOL_GPL(__supported_pte_mask);
33021
33022 /* user-defined highmem size */
33023 @@ -787,10 +789,10 @@ void __init mem_init(void)
33024 ((unsigned long)&__init_end -
33025 (unsigned long)&__init_begin) >> 10,
33026
33027 - (unsigned long)&_etext, (unsigned long)&_edata,
33028 - ((unsigned long)&_edata - (unsigned long)&_etext) >> 10,
33029 + (unsigned long)&_sdata, (unsigned long)&_edata,
33030 + ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10,
33031
33032 - (unsigned long)&_text, (unsigned long)&_etext,
33033 + ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext),
33034 ((unsigned long)&_etext - (unsigned long)&_text) >> 10);
33035
33036 /*
33037 @@ -884,6 +886,7 @@ void set_kernel_text_rw(void)
33038 if (!kernel_set_to_readonly)
33039 return;
33040
33041 + start = ktla_ktva(start);
33042 pr_debug("Set kernel text: %lx - %lx for read write\n",
33043 start, start+size);
33044
33045 @@ -898,6 +901,7 @@ void set_kernel_text_ro(void)
33046 if (!kernel_set_to_readonly)
33047 return;
33048
33049 + start = ktla_ktva(start);
33050 pr_debug("Set kernel text: %lx - %lx for read only\n",
33051 start, start+size);
33052
33053 @@ -926,6 +930,7 @@ void mark_rodata_ro(void)
33054 unsigned long start = PFN_ALIGN(_text);
33055 unsigned long size = PFN_ALIGN(_etext) - start;
33056
33057 + start = ktla_ktva(start);
33058 set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
33059 printk(KERN_INFO "Write protecting the kernel text: %luk\n",
33060 size >> 10);
33061 diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
33062 index 4e5dfec..6fd6dc5 100644
33063 --- a/arch/x86/mm/init_64.c
33064 +++ b/arch/x86/mm/init_64.c
33065 @@ -151,7 +151,7 @@ early_param("gbpages", parse_direct_gbpages_on);
33066 * around without checking the pgd every time.
33067 */
33068
33069 -pteval_t __supported_pte_mask __read_mostly = ~0;
33070 +pteval_t __supported_pte_mask __read_only = ~_PAGE_NX;
33071 EXPORT_SYMBOL_GPL(__supported_pte_mask);
33072
33073 int force_personality32;
33074 @@ -184,7 +184,12 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed)
33075
33076 for (address = start; address <= end; address += PGDIR_SIZE) {
33077 const pgd_t *pgd_ref = pgd_offset_k(address);
33078 +
33079 +#ifdef CONFIG_PAX_PER_CPU_PGD
33080 + unsigned long cpu;
33081 +#else
33082 struct page *page;
33083 +#endif
33084
33085 /*
33086 * When it is called after memory hot remove, pgd_none()
33087 @@ -195,6 +200,25 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed)
33088 continue;
33089
33090 spin_lock(&pgd_lock);
33091 +
33092 +#ifdef CONFIG_PAX_PER_CPU_PGD
33093 + for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
33094 + pgd_t *pgd = pgd_offset_cpu(cpu, user, address);
33095 +
33096 + if (!pgd_none(*pgd_ref) && !pgd_none(*pgd))
33097 + BUG_ON(pgd_page_vaddr(*pgd)
33098 + != pgd_page_vaddr(*pgd_ref));
33099 +
33100 + if (removed) {
33101 + if (pgd_none(*pgd_ref) && !pgd_none(*pgd))
33102 + pgd_clear(pgd);
33103 + } else {
33104 + if (pgd_none(*pgd))
33105 + set_pgd(pgd, *pgd_ref);
33106 + }
33107 +
33108 + pgd = pgd_offset_cpu(cpu, kernel, address);
33109 +#else
33110 list_for_each_entry(page, &pgd_list, lru) {
33111 pgd_t *pgd;
33112 spinlock_t *pgt_lock;
33113 @@ -203,6 +227,7 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed)
33114 /* the pgt_lock only for Xen */
33115 pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
33116 spin_lock(pgt_lock);
33117 +#endif
33118
33119 if (!pgd_none(*pgd_ref) && !pgd_none(*pgd))
33120 BUG_ON(pgd_page_vaddr(*pgd)
33121 @@ -216,7 +241,10 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed)
33122 set_pgd(pgd, *pgd_ref);
33123 }
33124
33125 +#ifndef CONFIG_PAX_PER_CPU_PGD
33126 spin_unlock(pgt_lock);
33127 +#endif
33128 +
33129 }
33130 spin_unlock(&pgd_lock);
33131 }
33132 @@ -249,7 +277,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr)
33133 {
33134 if (pgd_none(*pgd)) {
33135 pud_t *pud = (pud_t *)spp_getpage();
33136 - pgd_populate(&init_mm, pgd, pud);
33137 + pgd_populate_kernel(&init_mm, pgd, pud);
33138 if (pud != pud_offset(pgd, 0))
33139 printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n",
33140 pud, pud_offset(pgd, 0));
33141 @@ -261,7 +289,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr)
33142 {
33143 if (pud_none(*pud)) {
33144 pmd_t *pmd = (pmd_t *) spp_getpage();
33145 - pud_populate(&init_mm, pud, pmd);
33146 + pud_populate_kernel(&init_mm, pud, pmd);
33147 if (pmd != pmd_offset(pud, 0))
33148 printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n",
33149 pmd, pmd_offset(pud, 0));
33150 @@ -290,7 +318,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
33151 pmd = fill_pmd(pud, vaddr);
33152 pte = fill_pte(pmd, vaddr);
33153
33154 + pax_open_kernel();
33155 set_pte(pte, new_pte);
33156 + pax_close_kernel();
33157
33158 /*
33159 * It's enough to flush this one mapping.
33160 @@ -349,14 +379,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size,
33161 pgd = pgd_offset_k((unsigned long)__va(phys));
33162 if (pgd_none(*pgd)) {
33163 pud = (pud_t *) spp_getpage();
33164 - set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE |
33165 - _PAGE_USER));
33166 + set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE));
33167 }
33168 pud = pud_offset(pgd, (unsigned long)__va(phys));
33169 if (pud_none(*pud)) {
33170 pmd = (pmd_t *) spp_getpage();
33171 - set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE |
33172 - _PAGE_USER));
33173 + set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE));
33174 }
33175 pmd = pmd_offset(pud, phys);
33176 BUG_ON(!pmd_none(*pmd));
33177 @@ -597,7 +625,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
33178 prot);
33179
33180 spin_lock(&init_mm.page_table_lock);
33181 - pud_populate(&init_mm, pud, pmd);
33182 + pud_populate_kernel(&init_mm, pud, pmd);
33183 spin_unlock(&init_mm.page_table_lock);
33184 }
33185 __flush_tlb_all();
33186 @@ -638,7 +666,7 @@ kernel_physical_mapping_init(unsigned long start,
33187 page_size_mask);
33188
33189 spin_lock(&init_mm.page_table_lock);
33190 - pgd_populate(&init_mm, pgd, pud);
33191 + pgd_populate_kernel(&init_mm, pgd, pud);
33192 spin_unlock(&init_mm.page_table_lock);
33193 pgd_changed = true;
33194 }
33195 @@ -1217,8 +1245,8 @@ static struct vm_operations_struct gate_vma_ops = {
33196 static struct vm_area_struct gate_vma = {
33197 .vm_start = VSYSCALL_ADDR,
33198 .vm_end = VSYSCALL_ADDR + PAGE_SIZE,
33199 - .vm_page_prot = PAGE_READONLY_EXEC,
33200 - .vm_flags = VM_READ | VM_EXEC,
33201 + .vm_page_prot = PAGE_READONLY,
33202 + .vm_flags = VM_READ,
33203 .vm_ops = &gate_vma_ops,
33204 };
33205
33206 diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
33207 index 7b179b49..6bd17777 100644
33208 --- a/arch/x86/mm/iomap_32.c
33209 +++ b/arch/x86/mm/iomap_32.c
33210 @@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot)
33211 type = kmap_atomic_idx_push();
33212 idx = type + KM_TYPE_NR * smp_processor_id();
33213 vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
33214 +
33215 + pax_open_kernel();
33216 set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
33217 + pax_close_kernel();
33218 +
33219 arch_flush_lazy_mmu_mode();
33220
33221 return (void *)vaddr;
33222 diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
33223 index af78e50..0790b03 100644
33224 --- a/arch/x86/mm/ioremap.c
33225 +++ b/arch/x86/mm/ioremap.c
33226 @@ -56,8 +56,8 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
33227 unsigned long i;
33228
33229 for (i = 0; i < nr_pages; ++i)
33230 - if (pfn_valid(start_pfn + i) &&
33231 - !PageReserved(pfn_to_page(start_pfn + i)))
33232 + if (pfn_valid(start_pfn + i) && (start_pfn + i >= 0x100 ||
33233 + !PageReserved(pfn_to_page(start_pfn + i))))
33234 return 1;
33235
33236 WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn);
33237 @@ -280,7 +280,7 @@ EXPORT_SYMBOL(ioremap_prot);
33238 *
33239 * Caller must ensure there is only one unmapping for the same pointer.
33240 */
33241 -void iounmap(volatile void __iomem *addr)
33242 +void iounmap(const volatile void __iomem *addr)
33243 {
33244 struct vm_struct *p, *o;
33245
33246 @@ -334,6 +334,9 @@ void *xlate_dev_mem_ptr(unsigned long phys)
33247
33248 /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */
33249 if (page_is_ram(start >> PAGE_SHIFT))
33250 +#ifdef CONFIG_HIGHMEM
33251 + if ((start >> PAGE_SHIFT) < max_low_pfn)
33252 +#endif
33253 return __va(phys);
33254
33255 addr = (void __force *)ioremap_cache(start, PAGE_SIZE);
33256 @@ -346,13 +349,16 @@ void *xlate_dev_mem_ptr(unsigned long phys)
33257 void unxlate_dev_mem_ptr(unsigned long phys, void *addr)
33258 {
33259 if (page_is_ram(phys >> PAGE_SHIFT))
33260 +#ifdef CONFIG_HIGHMEM
33261 + if ((phys >> PAGE_SHIFT) < max_low_pfn)
33262 +#endif
33263 return;
33264
33265 iounmap((void __iomem *)((unsigned long)addr & PAGE_MASK));
33266 return;
33267 }
33268
33269 -static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
33270 +static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE);
33271
33272 static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
33273 {
33274 @@ -388,8 +394,7 @@ void __init early_ioremap_init(void)
33275 early_ioremap_setup();
33276
33277 pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
33278 - memset(bm_pte, 0, sizeof(bm_pte));
33279 - pmd_populate_kernel(&init_mm, pmd, bm_pte);
33280 + pmd_populate_user(&init_mm, pmd, bm_pte);
33281
33282 /*
33283 * The boot-ioremap range spans multiple pmds, for which
33284 diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
33285 index b4f2e7e..96c9c3e 100644
33286 --- a/arch/x86/mm/kmemcheck/kmemcheck.c
33287 +++ b/arch/x86/mm/kmemcheck/kmemcheck.c
33288 @@ -628,9 +628,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
33289 * memory (e.g. tracked pages)? For now, we need this to avoid
33290 * invoking kmemcheck for PnP BIOS calls.
33291 */
33292 - if (regs->flags & X86_VM_MASK)
33293 + if (v8086_mode(regs))
33294 return false;
33295 - if (regs->cs != __KERNEL_CS)
33296 + if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS)
33297 return false;
33298
33299 pte = kmemcheck_pte_lookup(address);
33300 diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
33301 index 919b912..9267313 100644
33302 --- a/arch/x86/mm/mmap.c
33303 +++ b/arch/x86/mm/mmap.c
33304 @@ -52,7 +52,7 @@ static unsigned int stack_maxrandom_size(void)
33305 * Leave an at least ~128 MB hole with possible stack randomization.
33306 */
33307 #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size())
33308 -#define MAX_GAP (TASK_SIZE/6*5)
33309 +#define MAX_GAP (pax_task_size/6*5)
33310
33311 static int mmap_is_legacy(void)
33312 {
33313 @@ -82,27 +82,40 @@ static unsigned long mmap_rnd(void)
33314 return rnd << PAGE_SHIFT;
33315 }
33316
33317 -static unsigned long mmap_base(void)
33318 +static unsigned long mmap_base(struct mm_struct *mm)
33319 {
33320 unsigned long gap = rlimit(RLIMIT_STACK);
33321 + unsigned long pax_task_size = TASK_SIZE;
33322 +
33323 +#ifdef CONFIG_PAX_SEGMEXEC
33324 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
33325 + pax_task_size = SEGMEXEC_TASK_SIZE;
33326 +#endif
33327
33328 if (gap < MIN_GAP)
33329 gap = MIN_GAP;
33330 else if (gap > MAX_GAP)
33331 gap = MAX_GAP;
33332
33333 - return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd());
33334 + return PAGE_ALIGN(pax_task_size - gap - mmap_rnd());
33335 }
33336
33337 /*
33338 * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64
33339 * does, but not when emulating X86_32
33340 */
33341 -static unsigned long mmap_legacy_base(void)
33342 +static unsigned long mmap_legacy_base(struct mm_struct *mm)
33343 {
33344 - if (mmap_is_ia32())
33345 + if (mmap_is_ia32()) {
33346 +
33347 +#ifdef CONFIG_PAX_SEGMEXEC
33348 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
33349 + return SEGMEXEC_TASK_UNMAPPED_BASE;
33350 + else
33351 +#endif
33352 +
33353 return TASK_UNMAPPED_BASE;
33354 - else
33355 + } else
33356 return TASK_UNMAPPED_BASE + mmap_rnd();
33357 }
33358
33359 @@ -112,8 +125,15 @@ static unsigned long mmap_legacy_base(void)
33360 */
33361 void arch_pick_mmap_layout(struct mm_struct *mm)
33362 {
33363 - mm->mmap_legacy_base = mmap_legacy_base();
33364 - mm->mmap_base = mmap_base();
33365 + mm->mmap_legacy_base = mmap_legacy_base(mm);
33366 + mm->mmap_base = mmap_base(mm);
33367 +
33368 +#ifdef CONFIG_PAX_RANDMMAP
33369 + if (mm->pax_flags & MF_PAX_RANDMMAP) {
33370 + mm->mmap_legacy_base += mm->delta_mmap;
33371 + mm->mmap_base -= mm->delta_mmap + mm->delta_stack;
33372 + }
33373 +#endif
33374
33375 if (mmap_is_legacy()) {
33376 mm->mmap_base = mm->mmap_legacy_base;
33377 diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
33378 index 0057a7a..95c7edd 100644
33379 --- a/arch/x86/mm/mmio-mod.c
33380 +++ b/arch/x86/mm/mmio-mod.c
33381 @@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs,
33382 break;
33383 default:
33384 {
33385 - unsigned char *ip = (unsigned char *)instptr;
33386 + unsigned char *ip = (unsigned char *)ktla_ktva(instptr);
33387 my_trace->opcode = MMIO_UNKNOWN_OP;
33388 my_trace->width = 0;
33389 my_trace->value = (*ip) << 16 | *(ip + 1) << 8 |
33390 @@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition,
33391 static void ioremap_trace_core(resource_size_t offset, unsigned long size,
33392 void __iomem *addr)
33393 {
33394 - static atomic_t next_id;
33395 + static atomic_unchecked_t next_id;
33396 struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL);
33397 /* These are page-unaligned. */
33398 struct mmiotrace_map map = {
33399 @@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
33400 .private = trace
33401 },
33402 .phys = offset,
33403 - .id = atomic_inc_return(&next_id)
33404 + .id = atomic_inc_return_unchecked(&next_id)
33405 };
33406 map.map_id = trace->id;
33407
33408 @@ -290,7 +290,7 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
33409 ioremap_trace_core(offset, size, addr);
33410 }
33411
33412 -static void iounmap_trace_core(volatile void __iomem *addr)
33413 +static void iounmap_trace_core(const volatile void __iomem *addr)
33414 {
33415 struct mmiotrace_map map = {
33416 .phys = 0,
33417 @@ -328,7 +328,7 @@ not_enabled:
33418 }
33419 }
33420
33421 -void mmiotrace_iounmap(volatile void __iomem *addr)
33422 +void mmiotrace_iounmap(const volatile void __iomem *addr)
33423 {
33424 might_sleep();
33425 if (is_enabled()) /* recheck and proper locking in *_core() */
33426 diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
33427 index 1a88370..3f598b5 100644
33428 --- a/arch/x86/mm/numa.c
33429 +++ b/arch/x86/mm/numa.c
33430 @@ -499,7 +499,7 @@ static void __init numa_clear_kernel_node_hotplug(void)
33431 }
33432 }
33433
33434 -static int __init numa_register_memblks(struct numa_meminfo *mi)
33435 +static int __init __intentional_overflow(-1) numa_register_memblks(struct numa_meminfo *mi)
33436 {
33437 unsigned long uninitialized_var(pfn_align);
33438 int i, nid;
33439 diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
33440 index 36de293..b820ddc 100644
33441 --- a/arch/x86/mm/pageattr.c
33442 +++ b/arch/x86/mm/pageattr.c
33443 @@ -262,7 +262,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
33444 */
33445 #ifdef CONFIG_PCI_BIOS
33446 if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT))
33447 - pgprot_val(forbidden) |= _PAGE_NX;
33448 + pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
33449 #endif
33450
33451 /*
33452 @@ -270,9 +270,10 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
33453 * Does not cover __inittext since that is gone later on. On
33454 * 64bit we do not enforce !NX on the low mapping
33455 */
33456 - if (within(address, (unsigned long)_text, (unsigned long)_etext))
33457 - pgprot_val(forbidden) |= _PAGE_NX;
33458 + if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext)))
33459 + pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
33460
33461 +#ifdef CONFIG_DEBUG_RODATA
33462 /*
33463 * The .rodata section needs to be read-only. Using the pfn
33464 * catches all aliases.
33465 @@ -280,6 +281,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
33466 if (within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT,
33467 __pa_symbol(__end_rodata) >> PAGE_SHIFT))
33468 pgprot_val(forbidden) |= _PAGE_RW;
33469 +#endif
33470
33471 #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
33472 /*
33473 @@ -318,6 +320,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
33474 }
33475 #endif
33476
33477 +#ifdef CONFIG_PAX_KERNEXEC
33478 + if (within(pfn, __pa(ktla_ktva((unsigned long)&_text)), __pa((unsigned long)&_sdata))) {
33479 + pgprot_val(forbidden) |= _PAGE_RW;
33480 + pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask;
33481 + }
33482 +#endif
33483 +
33484 prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
33485
33486 return prot;
33487 @@ -420,23 +429,37 @@ EXPORT_SYMBOL_GPL(slow_virt_to_phys);
33488 static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
33489 {
33490 /* change init_mm */
33491 + pax_open_kernel();
33492 set_pte_atomic(kpte, pte);
33493 +
33494 #ifdef CONFIG_X86_32
33495 if (!SHARED_KERNEL_PMD) {
33496 +
33497 +#ifdef CONFIG_PAX_PER_CPU_PGD
33498 + unsigned long cpu;
33499 +#else
33500 struct page *page;
33501 +#endif
33502
33503 +#ifdef CONFIG_PAX_PER_CPU_PGD
33504 + for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
33505 + pgd_t *pgd = get_cpu_pgd(cpu, kernel);
33506 +#else
33507 list_for_each_entry(page, &pgd_list, lru) {
33508 - pgd_t *pgd;
33509 + pgd_t *pgd = (pgd_t *)page_address(page);
33510 +#endif
33511 +
33512 pud_t *pud;
33513 pmd_t *pmd;
33514
33515 - pgd = (pgd_t *)page_address(page) + pgd_index(address);
33516 + pgd += pgd_index(address);
33517 pud = pud_offset(pgd, address);
33518 pmd = pmd_offset(pud, address);
33519 set_pte_atomic((pte_t *)pmd, pte);
33520 }
33521 }
33522 #endif
33523 + pax_close_kernel();
33524 }
33525
33526 static int
33527 diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
33528 index 6574388..87e9bef 100644
33529 --- a/arch/x86/mm/pat.c
33530 +++ b/arch/x86/mm/pat.c
33531 @@ -376,7 +376,7 @@ int free_memtype(u64 start, u64 end)
33532
33533 if (!entry) {
33534 printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n",
33535 - current->comm, current->pid, start, end - 1);
33536 + current->comm, task_pid_nr(current), start, end - 1);
33537 return -EINVAL;
33538 }
33539
33540 @@ -506,8 +506,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
33541
33542 while (cursor < to) {
33543 if (!devmem_is_allowed(pfn)) {
33544 - printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx]\n",
33545 - current->comm, from, to - 1);
33546 + printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx)\n",
33547 + current->comm, from, to - 1, cursor);
33548 return 0;
33549 }
33550 cursor += PAGE_SIZE;
33551 @@ -577,7 +577,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flags)
33552 if (ioremap_change_attr((unsigned long)__va(base), id_sz, flags) < 0) {
33553 printk(KERN_INFO "%s:%d ioremap_change_attr failed %s "
33554 "for [mem %#010Lx-%#010Lx]\n",
33555 - current->comm, current->pid,
33556 + current->comm, task_pid_nr(current),
33557 cattr_name(flags),
33558 base, (unsigned long long)(base + size-1));
33559 return -EINVAL;
33560 @@ -612,7 +612,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
33561 flags = lookup_memtype(paddr);
33562 if (want_flags != flags) {
33563 printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n",
33564 - current->comm, current->pid,
33565 + current->comm, task_pid_nr(current),
33566 cattr_name(want_flags),
33567 (unsigned long long)paddr,
33568 (unsigned long long)(paddr + size - 1),
33569 @@ -634,7 +634,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
33570 free_memtype(paddr, paddr + size);
33571 printk(KERN_ERR "%s:%d map pfn expected mapping type %s"
33572 " for [mem %#010Lx-%#010Lx], got %s\n",
33573 - current->comm, current->pid,
33574 + current->comm, task_pid_nr(current),
33575 cattr_name(want_flags),
33576 (unsigned long long)paddr,
33577 (unsigned long long)(paddr + size - 1),
33578 diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c
33579 index 415f6c4..d319983 100644
33580 --- a/arch/x86/mm/pat_rbtree.c
33581 +++ b/arch/x86/mm/pat_rbtree.c
33582 @@ -160,7 +160,7 @@ success:
33583
33584 failure:
33585 printk(KERN_INFO "%s:%d conflicting memory types "
33586 - "%Lx-%Lx %s<->%s\n", current->comm, current->pid, start,
33587 + "%Lx-%Lx %s<->%s\n", current->comm, task_pid_nr(current), start,
33588 end, cattr_name(found_type), cattr_name(match->type));
33589 return -EBUSY;
33590 }
33591 diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
33592 index 9f0614d..92ae64a 100644
33593 --- a/arch/x86/mm/pf_in.c
33594 +++ b/arch/x86/mm/pf_in.c
33595 @@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned long ins_addr)
33596 int i;
33597 enum reason_type rv = OTHERS;
33598
33599 - p = (unsigned char *)ins_addr;
33600 + p = (unsigned char *)ktla_ktva(ins_addr);
33601 p += skip_prefix(p, &prf);
33602 p += get_opcode(p, &opcode);
33603
33604 @@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr)
33605 struct prefix_bits prf;
33606 int i;
33607
33608 - p = (unsigned char *)ins_addr;
33609 + p = (unsigned char *)ktla_ktva(ins_addr);
33610 p += skip_prefix(p, &prf);
33611 p += get_opcode(p, &opcode);
33612
33613 @@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr)
33614 struct prefix_bits prf;
33615 int i;
33616
33617 - p = (unsigned char *)ins_addr;
33618 + p = (unsigned char *)ktla_ktva(ins_addr);
33619 p += skip_prefix(p, &prf);
33620 p += get_opcode(p, &opcode);
33621
33622 @@ -415,7 +415,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
33623 struct prefix_bits prf;
33624 int i;
33625
33626 - p = (unsigned char *)ins_addr;
33627 + p = (unsigned char *)ktla_ktva(ins_addr);
33628 p += skip_prefix(p, &prf);
33629 p += get_opcode(p, &opcode);
33630 for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
33631 @@ -470,7 +470,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
33632 struct prefix_bits prf;
33633 int i;
33634
33635 - p = (unsigned char *)ins_addr;
33636 + p = (unsigned char *)ktla_ktva(ins_addr);
33637 p += skip_prefix(p, &prf);
33638 p += get_opcode(p, &opcode);
33639 for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
33640 diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
33641 index 6fb6927..4fc13c0 100644
33642 --- a/arch/x86/mm/pgtable.c
33643 +++ b/arch/x86/mm/pgtable.c
33644 @@ -97,10 +97,71 @@ static inline void pgd_list_del(pgd_t *pgd)
33645 list_del(&page->lru);
33646 }
33647
33648 -#define UNSHARED_PTRS_PER_PGD \
33649 - (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
33650 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
33651 +pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT;
33652
33653 +void __shadow_user_pgds(pgd_t *dst, const pgd_t *src)
33654 +{
33655 + unsigned int count = USER_PGD_PTRS;
33656
33657 + if (!pax_user_shadow_base)
33658 + return;
33659 +
33660 + while (count--)
33661 + *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER);
33662 +}
33663 +#endif
33664 +
33665 +#ifdef CONFIG_PAX_PER_CPU_PGD
33666 +void __clone_user_pgds(pgd_t *dst, const pgd_t *src)
33667 +{
33668 + unsigned int count = USER_PGD_PTRS;
33669 +
33670 + while (count--) {
33671 + pgd_t pgd;
33672 +
33673 +#ifdef CONFIG_X86_64
33674 + pgd = __pgd(pgd_val(*src++) | _PAGE_USER);
33675 +#else
33676 + pgd = *src++;
33677 +#endif
33678 +
33679 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
33680 + pgd = __pgd(pgd_val(pgd) & clone_pgd_mask);
33681 +#endif
33682 +
33683 + *dst++ = pgd;
33684 + }
33685 +
33686 +}
33687 +#endif
33688 +
33689 +#ifdef CONFIG_X86_64
33690 +#define pxd_t pud_t
33691 +#define pyd_t pgd_t
33692 +#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn)
33693 +#define pgtable_pxd_page_ctor(page) true
33694 +#define pgtable_pxd_page_dtor(page)
33695 +#define pxd_free(mm, pud) pud_free((mm), (pud))
33696 +#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud))
33697 +#define pyd_offset(mm, address) pgd_offset((mm), (address))
33698 +#define PYD_SIZE PGDIR_SIZE
33699 +#else
33700 +#define pxd_t pmd_t
33701 +#define pyd_t pud_t
33702 +#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn)
33703 +#define pgtable_pxd_page_ctor(page) pgtable_pmd_page_ctor(page)
33704 +#define pgtable_pxd_page_dtor(page) pgtable_pmd_page_dtor(page)
33705 +#define pxd_free(mm, pud) pmd_free((mm), (pud))
33706 +#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud))
33707 +#define pyd_offset(mm, address) pud_offset((mm), (address))
33708 +#define PYD_SIZE PUD_SIZE
33709 +#endif
33710 +
33711 +#ifdef CONFIG_PAX_PER_CPU_PGD
33712 +static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {}
33713 +static inline void pgd_dtor(pgd_t *pgd) {}
33714 +#else
33715 static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm)
33716 {
33717 BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm));
33718 @@ -141,6 +202,7 @@ static void pgd_dtor(pgd_t *pgd)
33719 pgd_list_del(pgd);
33720 spin_unlock(&pgd_lock);
33721 }
33722 +#endif
33723
33724 /*
33725 * List of all pgd's needed for non-PAE so it can invalidate entries
33726 @@ -153,7 +215,7 @@ static void pgd_dtor(pgd_t *pgd)
33727 * -- nyc
33728 */
33729
33730 -#ifdef CONFIG_X86_PAE
33731 +#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)
33732 /*
33733 * In PAE mode, we need to do a cr3 reload (=tlb flush) when
33734 * updating the top-level pagetable entries to guarantee the
33735 @@ -165,7 +227,7 @@ static void pgd_dtor(pgd_t *pgd)
33736 * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate
33737 * and initialize the kernel pmds here.
33738 */
33739 -#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD
33740 +#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD)
33741
33742 void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
33743 {
33744 @@ -183,43 +245,45 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
33745 */
33746 flush_tlb_mm(mm);
33747 }
33748 +#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD)
33749 +#define PREALLOCATED_PXDS USER_PGD_PTRS
33750 #else /* !CONFIG_X86_PAE */
33751
33752 /* No need to prepopulate any pagetable entries in non-PAE modes. */
33753 -#define PREALLOCATED_PMDS 0
33754 +#define PREALLOCATED_PXDS 0
33755
33756 #endif /* CONFIG_X86_PAE */
33757
33758 -static void free_pmds(pmd_t *pmds[])
33759 +static void free_pxds(pxd_t *pxds[])
33760 {
33761 int i;
33762
33763 - for(i = 0; i < PREALLOCATED_PMDS; i++)
33764 - if (pmds[i]) {
33765 - pgtable_pmd_page_dtor(virt_to_page(pmds[i]));
33766 - free_page((unsigned long)pmds[i]);
33767 + for(i = 0; i < PREALLOCATED_PXDS; i++)
33768 + if (pxds[i]) {
33769 + pgtable_pxd_page_dtor(virt_to_page(pxds[i]));
33770 + free_page((unsigned long)pxds[i]);
33771 }
33772 }
33773
33774 -static int preallocate_pmds(pmd_t *pmds[])
33775 +static int preallocate_pxds(pxd_t *pxds[])
33776 {
33777 int i;
33778 bool failed = false;
33779
33780 - for(i = 0; i < PREALLOCATED_PMDS; i++) {
33781 - pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP);
33782 - if (!pmd)
33783 + for(i = 0; i < PREALLOCATED_PXDS; i++) {
33784 + pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP);
33785 + if (!pxd)
33786 failed = true;
33787 - if (pmd && !pgtable_pmd_page_ctor(virt_to_page(pmd))) {
33788 - free_page((unsigned long)pmd);
33789 - pmd = NULL;
33790 + if (pxd && !pgtable_pxd_page_ctor(virt_to_page(pxd))) {
33791 + free_page((unsigned long)pxd);
33792 + pxd = NULL;
33793 failed = true;
33794 }
33795 - pmds[i] = pmd;
33796 + pxds[i] = pxd;
33797 }
33798
33799 if (failed) {
33800 - free_pmds(pmds);
33801 + free_pxds(pxds);
33802 return -ENOMEM;
33803 }
33804
33805 @@ -232,49 +296,52 @@ static int preallocate_pmds(pmd_t *pmds[])
33806 * preallocate which never got a corresponding vma will need to be
33807 * freed manually.
33808 */
33809 -static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
33810 +static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp)
33811 {
33812 int i;
33813
33814 - for(i = 0; i < PREALLOCATED_PMDS; i++) {
33815 + for(i = 0; i < PREALLOCATED_PXDS; i++) {
33816 pgd_t pgd = pgdp[i];
33817
33818 if (pgd_val(pgd) != 0) {
33819 - pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd);
33820 + pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd);
33821
33822 - pgdp[i] = native_make_pgd(0);
33823 + set_pgd(pgdp + i, native_make_pgd(0));
33824
33825 - paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT);
33826 - pmd_free(mm, pmd);
33827 + paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT);
33828 + pxd_free(mm, pxd);
33829 }
33830 }
33831 }
33832
33833 -static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
33834 +static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[])
33835 {
33836 - pud_t *pud;
33837 + pyd_t *pyd;
33838 int i;
33839
33840 - if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
33841 + if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */
33842 return;
33843
33844 - pud = pud_offset(pgd, 0);
33845 -
33846 - for (i = 0; i < PREALLOCATED_PMDS; i++, pud++) {
33847 - pmd_t *pmd = pmds[i];
33848 +#ifdef CONFIG_X86_64
33849 + pyd = pyd_offset(mm, 0L);
33850 +#else
33851 + pyd = pyd_offset(pgd, 0L);
33852 +#endif
33853
33854 + for (i = 0; i < PREALLOCATED_PXDS; i++, pyd++) {
33855 + pxd_t *pxd = pxds[i];
33856 if (i >= KERNEL_PGD_BOUNDARY)
33857 - memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
33858 - sizeof(pmd_t) * PTRS_PER_PMD);
33859 + memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]),
33860 + sizeof(pxd_t) * PTRS_PER_PMD);
33861
33862 - pud_populate(mm, pud, pmd);
33863 + pyd_populate(mm, pyd, pxd);
33864 }
33865 }
33866
33867 pgd_t *pgd_alloc(struct mm_struct *mm)
33868 {
33869 pgd_t *pgd;
33870 - pmd_t *pmds[PREALLOCATED_PMDS];
33871 + pxd_t *pxds[PREALLOCATED_PXDS];
33872
33873 pgd = (pgd_t *)__get_free_page(PGALLOC_GFP);
33874
33875 @@ -283,11 +350,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
33876
33877 mm->pgd = pgd;
33878
33879 - if (preallocate_pmds(pmds) != 0)
33880 + if (preallocate_pxds(pxds) != 0)
33881 goto out_free_pgd;
33882
33883 if (paravirt_pgd_alloc(mm) != 0)
33884 - goto out_free_pmds;
33885 + goto out_free_pxds;
33886
33887 /*
33888 * Make sure that pre-populating the pmds is atomic with
33889 @@ -297,14 +364,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
33890 spin_lock(&pgd_lock);
33891
33892 pgd_ctor(mm, pgd);
33893 - pgd_prepopulate_pmd(mm, pgd, pmds);
33894 + pgd_prepopulate_pxd(mm, pgd, pxds);
33895
33896 spin_unlock(&pgd_lock);
33897
33898 return pgd;
33899
33900 -out_free_pmds:
33901 - free_pmds(pmds);
33902 +out_free_pxds:
33903 + free_pxds(pxds);
33904 out_free_pgd:
33905 free_page((unsigned long)pgd);
33906 out:
33907 @@ -313,7 +380,7 @@ out:
33908
33909 void pgd_free(struct mm_struct *mm, pgd_t *pgd)
33910 {
33911 - pgd_mop_up_pmds(mm, pgd);
33912 + pgd_mop_up_pxds(mm, pgd);
33913 pgd_dtor(pgd);
33914 paravirt_pgd_free(mm, pgd);
33915 free_page((unsigned long)pgd);
33916 diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
33917 index 75cc097..79a097f 100644
33918 --- a/arch/x86/mm/pgtable_32.c
33919 +++ b/arch/x86/mm/pgtable_32.c
33920 @@ -47,10 +47,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
33921 return;
33922 }
33923 pte = pte_offset_kernel(pmd, vaddr);
33924 +
33925 + pax_open_kernel();
33926 if (pte_val(pteval))
33927 set_pte_at(&init_mm, vaddr, pte, pteval);
33928 else
33929 pte_clear(&init_mm, vaddr, pte);
33930 + pax_close_kernel();
33931
33932 /*
33933 * It's enough to flush this one mapping.
33934 diff --git a/arch/x86/mm/physaddr.c b/arch/x86/mm/physaddr.c
33935 index e666cbb..61788c45 100644
33936 --- a/arch/x86/mm/physaddr.c
33937 +++ b/arch/x86/mm/physaddr.c
33938 @@ -10,7 +10,7 @@
33939 #ifdef CONFIG_X86_64
33940
33941 #ifdef CONFIG_DEBUG_VIRTUAL
33942 -unsigned long __phys_addr(unsigned long x)
33943 +unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x)
33944 {
33945 unsigned long y = x - __START_KERNEL_map;
33946
33947 @@ -67,7 +67,7 @@ EXPORT_SYMBOL(__virt_addr_valid);
33948 #else
33949
33950 #ifdef CONFIG_DEBUG_VIRTUAL
33951 -unsigned long __phys_addr(unsigned long x)
33952 +unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x)
33953 {
33954 unsigned long phys_addr = x - PAGE_OFFSET;
33955 /* VMALLOC_* aren't constants */
33956 diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
33957 index 90555bf..f5f1828 100644
33958 --- a/arch/x86/mm/setup_nx.c
33959 +++ b/arch/x86/mm/setup_nx.c
33960 @@ -5,8 +5,10 @@
33961 #include <asm/pgtable.h>
33962 #include <asm/proto.h>
33963
33964 +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
33965 static int disable_nx;
33966
33967 +#ifndef CONFIG_PAX_PAGEEXEC
33968 /*
33969 * noexec = on|off
33970 *
33971 @@ -28,12 +30,17 @@ static int __init noexec_setup(char *str)
33972 return 0;
33973 }
33974 early_param("noexec", noexec_setup);
33975 +#endif
33976 +
33977 +#endif
33978
33979 void x86_configure_nx(void)
33980 {
33981 +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
33982 if (cpu_has_nx && !disable_nx)
33983 __supported_pte_mask |= _PAGE_NX;
33984 else
33985 +#endif
33986 __supported_pte_mask &= ~_PAGE_NX;
33987 }
33988
33989 diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
33990 index ee61c36..e6fedeb 100644
33991 --- a/arch/x86/mm/tlb.c
33992 +++ b/arch/x86/mm/tlb.c
33993 @@ -48,7 +48,11 @@ void leave_mm(int cpu)
33994 BUG();
33995 if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) {
33996 cpumask_clear_cpu(cpu, mm_cpumask(active_mm));
33997 +
33998 +#ifndef CONFIG_PAX_PER_CPU_PGD
33999 load_cr3(swapper_pg_dir);
34000 +#endif
34001 +
34002 /*
34003 * This gets called in the idle path where RCU
34004 * functions differently. Tracing normally
34005 diff --git a/arch/x86/mm/uderef_64.c b/arch/x86/mm/uderef_64.c
34006 new file mode 100644
34007 index 0000000..dace51c
34008 --- /dev/null
34009 +++ b/arch/x86/mm/uderef_64.c
34010 @@ -0,0 +1,37 @@
34011 +#include <linux/mm.h>
34012 +#include <asm/pgtable.h>
34013 +#include <asm/uaccess.h>
34014 +
34015 +#ifdef CONFIG_PAX_MEMORY_UDEREF
34016 +/* PaX: due to the special call convention these functions must
34017 + * - remain leaf functions under all configurations,
34018 + * - never be called directly, only dereferenced from the wrappers.
34019 + */
34020 +void __pax_open_userland(void)
34021 +{
34022 + unsigned int cpu;
34023 +
34024 + if (unlikely(!segment_eq(get_fs(), USER_DS)))
34025 + return;
34026 +
34027 + cpu = raw_get_cpu();
34028 + BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_KERNEL);
34029 + write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH);
34030 + raw_put_cpu_no_resched();
34031 +}
34032 +EXPORT_SYMBOL(__pax_open_userland);
34033 +
34034 +void __pax_close_userland(void)
34035 +{
34036 + unsigned int cpu;
34037 +
34038 + if (unlikely(!segment_eq(get_fs(), USER_DS)))
34039 + return;
34040 +
34041 + cpu = raw_get_cpu();
34042 + BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_USER);
34043 + write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH);
34044 + raw_put_cpu_no_resched();
34045 +}
34046 +EXPORT_SYMBOL(__pax_close_userland);
34047 +#endif
34048 diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S
34049 index 6440221..f84b5c7 100644
34050 --- a/arch/x86/net/bpf_jit.S
34051 +++ b/arch/x86/net/bpf_jit.S
34052 @@ -9,6 +9,7 @@
34053 */
34054 #include <linux/linkage.h>
34055 #include <asm/dwarf2.h>
34056 +#include <asm/alternative-asm.h>
34057
34058 /*
34059 * Calling convention :
34060 @@ -38,6 +39,7 @@ sk_load_word_positive_offset:
34061 jle bpf_slow_path_word
34062 mov (SKBDATA,%rsi),%eax
34063 bswap %eax /* ntohl() */
34064 + pax_force_retaddr
34065 ret
34066
34067 sk_load_half:
34068 @@ -55,6 +57,7 @@ sk_load_half_positive_offset:
34069 jle bpf_slow_path_half
34070 movzwl (SKBDATA,%rsi),%eax
34071 rol $8,%ax # ntohs()
34072 + pax_force_retaddr
34073 ret
34074
34075 sk_load_byte:
34076 @@ -69,6 +72,7 @@ sk_load_byte_positive_offset:
34077 cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */
34078 jle bpf_slow_path_byte
34079 movzbl (SKBDATA,%rsi),%eax
34080 + pax_force_retaddr
34081 ret
34082
34083 /* rsi contains offset and can be scratched */
34084 @@ -90,6 +94,7 @@ bpf_slow_path_word:
34085 js bpf_error
34086 mov - MAX_BPF_STACK + 32(%rbp),%eax
34087 bswap %eax
34088 + pax_force_retaddr
34089 ret
34090
34091 bpf_slow_path_half:
34092 @@ -98,12 +103,14 @@ bpf_slow_path_half:
34093 mov - MAX_BPF_STACK + 32(%rbp),%ax
34094 rol $8,%ax
34095 movzwl %ax,%eax
34096 + pax_force_retaddr
34097 ret
34098
34099 bpf_slow_path_byte:
34100 bpf_slow_path_common(1)
34101 js bpf_error
34102 movzbl - MAX_BPF_STACK + 32(%rbp),%eax
34103 + pax_force_retaddr
34104 ret
34105
34106 #define sk_negative_common(SIZE) \
34107 @@ -126,6 +133,7 @@ sk_load_word_negative_offset:
34108 sk_negative_common(4)
34109 mov (%rax), %eax
34110 bswap %eax
34111 + pax_force_retaddr
34112 ret
34113
34114 bpf_slow_path_half_neg:
34115 @@ -137,6 +145,7 @@ sk_load_half_negative_offset:
34116 mov (%rax),%ax
34117 rol $8,%ax
34118 movzwl %ax,%eax
34119 + pax_force_retaddr
34120 ret
34121
34122 bpf_slow_path_byte_neg:
34123 @@ -146,6 +155,7 @@ sk_load_byte_negative_offset:
34124 .globl sk_load_byte_negative_offset
34125 sk_negative_common(1)
34126 movzbl (%rax), %eax
34127 + pax_force_retaddr
34128 ret
34129
34130 bpf_error:
34131 @@ -156,4 +166,5 @@ bpf_error:
34132 mov - MAX_BPF_STACK + 16(%rbp),%r14
34133 mov - MAX_BPF_STACK + 24(%rbp),%r15
34134 leaveq
34135 + pax_force_retaddr
34136 ret
34137 diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
34138 index 3f62734..a57894f 100644
34139 --- a/arch/x86/net/bpf_jit_comp.c
34140 +++ b/arch/x86/net/bpf_jit_comp.c
34141 @@ -13,7 +13,11 @@
34142 #include <linux/if_vlan.h>
34143 #include <asm/cacheflush.h>
34144
34145 +#ifdef CONFIG_GRKERNSEC_BPF_HARDEN
34146 +int bpf_jit_enable __read_only;
34147 +#else
34148 int bpf_jit_enable __read_mostly;
34149 +#endif
34150
34151 /*
34152 * assembly code in arch/x86/net/bpf_jit.S
34153 @@ -174,7 +178,9 @@ static inline u8 add_2reg(u8 byte, u32 dst_reg, u32 src_reg)
34154 static void jit_fill_hole(void *area, unsigned int size)
34155 {
34156 /* fill whole space with int3 instructions */
34157 + pax_open_kernel();
34158 memset(area, 0xcc, size);
34159 + pax_close_kernel();
34160 }
34161
34162 struct jit_context {
34163 @@ -894,7 +900,9 @@ common_load:
34164 pr_err("bpf_jit_compile fatal error\n");
34165 return -EFAULT;
34166 }
34167 + pax_open_kernel();
34168 memcpy(image + proglen, temp, ilen);
34169 + pax_close_kernel();
34170 }
34171 proglen += ilen;
34172 addrs[i] = proglen;
34173 @@ -966,7 +974,6 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
34174
34175 if (image) {
34176 bpf_flush_icache(header, image + proglen);
34177 - set_memory_ro((unsigned long)header, header->pages);
34178 prog->bpf_func = (void *)image;
34179 prog->jited = true;
34180 }
34181 @@ -979,12 +986,8 @@ void bpf_jit_free(struct bpf_prog *fp)
34182 unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
34183 struct bpf_binary_header *header = (void *)addr;
34184
34185 - if (!fp->jited)
34186 - goto free_filter;
34187 + if (fp->jited)
34188 + bpf_jit_binary_free(header);
34189
34190 - set_memory_rw(addr, header->pages);
34191 - bpf_jit_binary_free(header);
34192 -
34193 -free_filter:
34194 bpf_prog_unlock_free(fp);
34195 }
34196 diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
34197 index 5d04be5..2beeaa2 100644
34198 --- a/arch/x86/oprofile/backtrace.c
34199 +++ b/arch/x86/oprofile/backtrace.c
34200 @@ -46,11 +46,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head)
34201 struct stack_frame_ia32 *fp;
34202 unsigned long bytes;
34203
34204 - bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
34205 + bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
34206 if (bytes != 0)
34207 return NULL;
34208
34209 - fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame);
34210 + fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame);
34211
34212 oprofile_add_trace(bufhead[0].return_address);
34213
34214 @@ -92,7 +92,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head)
34215 struct stack_frame bufhead[2];
34216 unsigned long bytes;
34217
34218 - bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
34219 + bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead));
34220 if (bytes != 0)
34221 return NULL;
34222
34223 @@ -111,7 +111,7 @@ x86_backtrace(struct pt_regs * const regs, unsigned int depth)
34224 {
34225 struct stack_frame *head = (struct stack_frame *)frame_pointer(regs);
34226
34227 - if (!user_mode_vm(regs)) {
34228 + if (!user_mode(regs)) {
34229 unsigned long stack = kernel_stack_pointer(regs);
34230 if (depth)
34231 dump_trace(NULL, regs, (unsigned long *)stack, 0,
34232 diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
34233 index 1d2e639..f6ef82a 100644
34234 --- a/arch/x86/oprofile/nmi_int.c
34235 +++ b/arch/x86/oprofile/nmi_int.c
34236 @@ -23,6 +23,7 @@
34237 #include <asm/nmi.h>
34238 #include <asm/msr.h>
34239 #include <asm/apic.h>
34240 +#include <asm/pgtable.h>
34241
34242 #include "op_counter.h"
34243 #include "op_x86_model.h"
34244 @@ -785,8 +786,11 @@ int __init op_nmi_init(struct oprofile_operations *ops)
34245 if (ret)
34246 return ret;
34247
34248 - if (!model->num_virt_counters)
34249 - model->num_virt_counters = model->num_counters;
34250 + if (!model->num_virt_counters) {
34251 + pax_open_kernel();
34252 + *(unsigned int *)&model->num_virt_counters = model->num_counters;
34253 + pax_close_kernel();
34254 + }
34255
34256 mux_init(ops);
34257
34258 diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
34259 index 50d86c0..7985318 100644
34260 --- a/arch/x86/oprofile/op_model_amd.c
34261 +++ b/arch/x86/oprofile/op_model_amd.c
34262 @@ -519,9 +519,11 @@ static int op_amd_init(struct oprofile_operations *ops)
34263 num_counters = AMD64_NUM_COUNTERS;
34264 }
34265
34266 - op_amd_spec.num_counters = num_counters;
34267 - op_amd_spec.num_controls = num_counters;
34268 - op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS);
34269 + pax_open_kernel();
34270 + *(unsigned int *)&op_amd_spec.num_counters = num_counters;
34271 + *(unsigned int *)&op_amd_spec.num_controls = num_counters;
34272 + *(unsigned int *)&op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS);
34273 + pax_close_kernel();
34274
34275 return 0;
34276 }
34277 diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
34278 index d90528e..0127e2b 100644
34279 --- a/arch/x86/oprofile/op_model_ppro.c
34280 +++ b/arch/x86/oprofile/op_model_ppro.c
34281 @@ -19,6 +19,7 @@
34282 #include <asm/msr.h>
34283 #include <asm/apic.h>
34284 #include <asm/nmi.h>
34285 +#include <asm/pgtable.h>
34286
34287 #include "op_x86_model.h"
34288 #include "op_counter.h"
34289 @@ -221,8 +222,10 @@ static void arch_perfmon_setup_counters(void)
34290
34291 num_counters = min((int)eax.split.num_counters, OP_MAX_COUNTER);
34292
34293 - op_arch_perfmon_spec.num_counters = num_counters;
34294 - op_arch_perfmon_spec.num_controls = num_counters;
34295 + pax_open_kernel();
34296 + *(unsigned int *)&op_arch_perfmon_spec.num_counters = num_counters;
34297 + *(unsigned int *)&op_arch_perfmon_spec.num_controls = num_counters;
34298 + pax_close_kernel();
34299 }
34300
34301 static int arch_perfmon_init(struct oprofile_operations *ignore)
34302 diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
34303 index 71e8a67..6a313bb 100644
34304 --- a/arch/x86/oprofile/op_x86_model.h
34305 +++ b/arch/x86/oprofile/op_x86_model.h
34306 @@ -52,7 +52,7 @@ struct op_x86_model_spec {
34307 void (*switch_ctrl)(struct op_x86_model_spec const *model,
34308 struct op_msrs const * const msrs);
34309 #endif
34310 -};
34311 +} __do_const;
34312
34313 struct op_counter_config;
34314
34315 diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c
34316 index b9958c3..24229ab 100644
34317 --- a/arch/x86/pci/intel_mid_pci.c
34318 +++ b/arch/x86/pci/intel_mid_pci.c
34319 @@ -250,7 +250,7 @@ int __init intel_mid_pci_init(void)
34320 pci_mmcfg_late_init();
34321 pcibios_enable_irq = intel_mid_pci_irq_enable;
34322 pcibios_disable_irq = intel_mid_pci_irq_disable;
34323 - pci_root_ops = intel_mid_pci_ops;
34324 + memcpy((void *)&pci_root_ops, &intel_mid_pci_ops, sizeof pci_root_ops);
34325 pci_soc_mode = 1;
34326 /* Continue with standard init */
34327 return 1;
34328 diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
34329 index eb500c2..eab9e70 100644
34330 --- a/arch/x86/pci/irq.c
34331 +++ b/arch/x86/pci/irq.c
34332 @@ -51,7 +51,7 @@ struct irq_router {
34333 struct irq_router_handler {
34334 u16 vendor;
34335 int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device);
34336 -};
34337 +} __do_const;
34338
34339 int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq;
34340 void (*pcibios_disable_irq)(struct pci_dev *dev) = pirq_disable_irq;
34341 @@ -791,7 +791,7 @@ static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router
34342 return 0;
34343 }
34344
34345 -static __initdata struct irq_router_handler pirq_routers[] = {
34346 +static __initconst const struct irq_router_handler pirq_routers[] = {
34347 { PCI_VENDOR_ID_INTEL, intel_router_probe },
34348 { PCI_VENDOR_ID_AL, ali_router_probe },
34349 { PCI_VENDOR_ID_ITE, ite_router_probe },
34350 @@ -818,7 +818,7 @@ static struct pci_dev *pirq_router_dev;
34351 static void __init pirq_find_router(struct irq_router *r)
34352 {
34353 struct irq_routing_table *rt = pirq_table;
34354 - struct irq_router_handler *h;
34355 + const struct irq_router_handler *h;
34356
34357 #ifdef CONFIG_PCI_BIOS
34358 if (!rt->signature) {
34359 @@ -1091,7 +1091,7 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d)
34360 return 0;
34361 }
34362
34363 -static struct dmi_system_id __initdata pciirq_dmi_table[] = {
34364 +static const struct dmi_system_id __initconst pciirq_dmi_table[] = {
34365 {
34366 .callback = fix_broken_hp_bios_irq9,
34367 .ident = "HP Pavilion N5400 Series Laptop",
34368 diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
34369 index 9b83b90..4112152 100644
34370 --- a/arch/x86/pci/pcbios.c
34371 +++ b/arch/x86/pci/pcbios.c
34372 @@ -79,7 +79,7 @@ union bios32 {
34373 static struct {
34374 unsigned long address;
34375 unsigned short segment;
34376 -} bios32_indirect __initdata = { 0, __KERNEL_CS };
34377 +} bios32_indirect __initconst = { 0, __PCIBIOS_CS };
34378
34379 /*
34380 * Returns the entry point for the given service, NULL on error
34381 @@ -92,37 +92,80 @@ static unsigned long __init bios32_service(unsigned long service)
34382 unsigned long length; /* %ecx */
34383 unsigned long entry; /* %edx */
34384 unsigned long flags;
34385 + struct desc_struct d, *gdt;
34386
34387 local_irq_save(flags);
34388 - __asm__("lcall *(%%edi); cld"
34389 +
34390 + gdt = get_cpu_gdt_table(smp_processor_id());
34391 +
34392 + pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC);
34393 + write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
34394 + pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC);
34395 + write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
34396 +
34397 + __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld"
34398 : "=a" (return_code),
34399 "=b" (address),
34400 "=c" (length),
34401 "=d" (entry)
34402 : "0" (service),
34403 "1" (0),
34404 - "D" (&bios32_indirect));
34405 + "D" (&bios32_indirect),
34406 + "r"(__PCIBIOS_DS)
34407 + : "memory");
34408 +
34409 + pax_open_kernel();
34410 + gdt[GDT_ENTRY_PCIBIOS_CS].a = 0;
34411 + gdt[GDT_ENTRY_PCIBIOS_CS].b = 0;
34412 + gdt[GDT_ENTRY_PCIBIOS_DS].a = 0;
34413 + gdt[GDT_ENTRY_PCIBIOS_DS].b = 0;
34414 + pax_close_kernel();
34415 +
34416 local_irq_restore(flags);
34417
34418 switch (return_code) {
34419 - case 0:
34420 - return address + entry;
34421 - case 0x80: /* Not present */
34422 - printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
34423 - return 0;
34424 - default: /* Shouldn't happen */
34425 - printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
34426 - service, return_code);
34427 + case 0: {
34428 + int cpu;
34429 + unsigned char flags;
34430 +
34431 + printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry);
34432 + if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) {
34433 + printk(KERN_WARNING "bios32_service: not valid\n");
34434 return 0;
34435 + }
34436 + address = address + PAGE_OFFSET;
34437 + length += 16UL; /* some BIOSs underreport this... */
34438 + flags = 4;
34439 + if (length >= 64*1024*1024) {
34440 + length >>= PAGE_SHIFT;
34441 + flags |= 8;
34442 + }
34443 +
34444 + for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
34445 + gdt = get_cpu_gdt_table(cpu);
34446 + pack_descriptor(&d, address, length, 0x9b, flags);
34447 + write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S);
34448 + pack_descriptor(&d, address, length, 0x93, flags);
34449 + write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S);
34450 + }
34451 + return entry;
34452 + }
34453 + case 0x80: /* Not present */
34454 + printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service);
34455 + return 0;
34456 + default: /* Shouldn't happen */
34457 + printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n",
34458 + service, return_code);
34459 + return 0;
34460 }
34461 }
34462
34463 static struct {
34464 unsigned long address;
34465 unsigned short segment;
34466 -} pci_indirect = { 0, __KERNEL_CS };
34467 +} pci_indirect __read_only = { 0, __PCIBIOS_CS };
34468
34469 -static int pci_bios_present;
34470 +static int pci_bios_present __read_only;
34471
34472 static int __init check_pcibios(void)
34473 {
34474 @@ -131,11 +174,13 @@ static int __init check_pcibios(void)
34475 unsigned long flags, pcibios_entry;
34476
34477 if ((pcibios_entry = bios32_service(PCI_SERVICE))) {
34478 - pci_indirect.address = pcibios_entry + PAGE_OFFSET;
34479 + pci_indirect.address = pcibios_entry;
34480
34481 local_irq_save(flags);
34482 - __asm__(
34483 - "lcall *(%%edi); cld\n\t"
34484 + __asm__("movw %w6, %%ds\n\t"
34485 + "lcall *%%ss:(%%edi); cld\n\t"
34486 + "push %%ss\n\t"
34487 + "pop %%ds\n\t"
34488 "jc 1f\n\t"
34489 "xor %%ah, %%ah\n"
34490 "1:"
34491 @@ -144,7 +189,8 @@ static int __init check_pcibios(void)
34492 "=b" (ebx),
34493 "=c" (ecx)
34494 : "1" (PCIBIOS_PCI_BIOS_PRESENT),
34495 - "D" (&pci_indirect)
34496 + "D" (&pci_indirect),
34497 + "r" (__PCIBIOS_DS)
34498 : "memory");
34499 local_irq_restore(flags);
34500
34501 @@ -189,7 +235,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34502
34503 switch (len) {
34504 case 1:
34505 - __asm__("lcall *(%%esi); cld\n\t"
34506 + __asm__("movw %w6, %%ds\n\t"
34507 + "lcall *%%ss:(%%esi); cld\n\t"
34508 + "push %%ss\n\t"
34509 + "pop %%ds\n\t"
34510 "jc 1f\n\t"
34511 "xor %%ah, %%ah\n"
34512 "1:"
34513 @@ -198,7 +247,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34514 : "1" (PCIBIOS_READ_CONFIG_BYTE),
34515 "b" (bx),
34516 "D" ((long)reg),
34517 - "S" (&pci_indirect));
34518 + "S" (&pci_indirect),
34519 + "r" (__PCIBIOS_DS));
34520 /*
34521 * Zero-extend the result beyond 8 bits, do not trust the
34522 * BIOS having done it:
34523 @@ -206,7 +256,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34524 *value &= 0xff;
34525 break;
34526 case 2:
34527 - __asm__("lcall *(%%esi); cld\n\t"
34528 + __asm__("movw %w6, %%ds\n\t"
34529 + "lcall *%%ss:(%%esi); cld\n\t"
34530 + "push %%ss\n\t"
34531 + "pop %%ds\n\t"
34532 "jc 1f\n\t"
34533 "xor %%ah, %%ah\n"
34534 "1:"
34535 @@ -215,7 +268,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34536 : "1" (PCIBIOS_READ_CONFIG_WORD),
34537 "b" (bx),
34538 "D" ((long)reg),
34539 - "S" (&pci_indirect));
34540 + "S" (&pci_indirect),
34541 + "r" (__PCIBIOS_DS));
34542 /*
34543 * Zero-extend the result beyond 16 bits, do not trust the
34544 * BIOS having done it:
34545 @@ -223,7 +277,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34546 *value &= 0xffff;
34547 break;
34548 case 4:
34549 - __asm__("lcall *(%%esi); cld\n\t"
34550 + __asm__("movw %w6, %%ds\n\t"
34551 + "lcall *%%ss:(%%esi); cld\n\t"
34552 + "push %%ss\n\t"
34553 + "pop %%ds\n\t"
34554 "jc 1f\n\t"
34555 "xor %%ah, %%ah\n"
34556 "1:"
34557 @@ -232,7 +289,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
34558 : "1" (PCIBIOS_READ_CONFIG_DWORD),
34559 "b" (bx),
34560 "D" ((long)reg),
34561 - "S" (&pci_indirect));
34562 + "S" (&pci_indirect),
34563 + "r" (__PCIBIOS_DS));
34564 break;
34565 }
34566
34567 @@ -256,7 +314,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
34568
34569 switch (len) {
34570 case 1:
34571 - __asm__("lcall *(%%esi); cld\n\t"
34572 + __asm__("movw %w6, %%ds\n\t"
34573 + "lcall *%%ss:(%%esi); cld\n\t"
34574 + "push %%ss\n\t"
34575 + "pop %%ds\n\t"
34576 "jc 1f\n\t"
34577 "xor %%ah, %%ah\n"
34578 "1:"
34579 @@ -265,10 +326,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
34580 "c" (value),
34581 "b" (bx),
34582 "D" ((long)reg),
34583 - "S" (&pci_indirect));
34584 + "S" (&pci_indirect),
34585 + "r" (__PCIBIOS_DS));
34586 break;
34587 case 2:
34588 - __asm__("lcall *(%%esi); cld\n\t"
34589 + __asm__("movw %w6, %%ds\n\t"
34590 + "lcall *%%ss:(%%esi); cld\n\t"
34591 + "push %%ss\n\t"
34592 + "pop %%ds\n\t"
34593 "jc 1f\n\t"
34594 "xor %%ah, %%ah\n"
34595 "1:"
34596 @@ -277,10 +342,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
34597 "c" (value),
34598 "b" (bx),
34599 "D" ((long)reg),
34600 - "S" (&pci_indirect));
34601 + "S" (&pci_indirect),
34602 + "r" (__PCIBIOS_DS));
34603 break;
34604 case 4:
34605 - __asm__("lcall *(%%esi); cld\n\t"
34606 + __asm__("movw %w6, %%ds\n\t"
34607 + "lcall *%%ss:(%%esi); cld\n\t"
34608 + "push %%ss\n\t"
34609 + "pop %%ds\n\t"
34610 "jc 1f\n\t"
34611 "xor %%ah, %%ah\n"
34612 "1:"
34613 @@ -289,7 +358,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
34614 "c" (value),
34615 "b" (bx),
34616 "D" ((long)reg),
34617 - "S" (&pci_indirect));
34618 + "S" (&pci_indirect),
34619 + "r" (__PCIBIOS_DS));
34620 break;
34621 }
34622
34623 @@ -394,10 +464,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
34624
34625 DBG("PCI: Fetching IRQ routing table... ");
34626 __asm__("push %%es\n\t"
34627 + "movw %w8, %%ds\n\t"
34628 "push %%ds\n\t"
34629 "pop %%es\n\t"
34630 - "lcall *(%%esi); cld\n\t"
34631 + "lcall *%%ss:(%%esi); cld\n\t"
34632 "pop %%es\n\t"
34633 + "push %%ss\n\t"
34634 + "pop %%ds\n"
34635 "jc 1f\n\t"
34636 "xor %%ah, %%ah\n"
34637 "1:"
34638 @@ -408,7 +481,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void)
34639 "1" (0),
34640 "D" ((long) &opt),
34641 "S" (&pci_indirect),
34642 - "m" (opt)
34643 + "m" (opt),
34644 + "r" (__PCIBIOS_DS)
34645 : "memory");
34646 DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map);
34647 if (ret & 0xff00)
34648 @@ -432,7 +506,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
34649 {
34650 int ret;
34651
34652 - __asm__("lcall *(%%esi); cld\n\t"
34653 + __asm__("movw %w5, %%ds\n\t"
34654 + "lcall *%%ss:(%%esi); cld\n\t"
34655 + "push %%ss\n\t"
34656 + "pop %%ds\n"
34657 "jc 1f\n\t"
34658 "xor %%ah, %%ah\n"
34659 "1:"
34660 @@ -440,7 +517,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq)
34661 : "0" (PCIBIOS_SET_PCI_HW_INT),
34662 "b" ((dev->bus->number << 8) | dev->devfn),
34663 "c" ((irq << 8) | (pin + 10)),
34664 - "S" (&pci_indirect));
34665 + "S" (&pci_indirect),
34666 + "r" (__PCIBIOS_DS));
34667 return !(ret & 0xff00);
34668 }
34669 EXPORT_SYMBOL(pcibios_set_irq_routing);
34670 diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
34671 index 40e7cda..c7e6672 100644
34672 --- a/arch/x86/platform/efi/efi_32.c
34673 +++ b/arch/x86/platform/efi/efi_32.c
34674 @@ -61,11 +61,22 @@ void __init efi_call_phys_prolog(void)
34675 {
34676 struct desc_ptr gdt_descr;
34677
34678 +#ifdef CONFIG_PAX_KERNEXEC
34679 + struct desc_struct d;
34680 +#endif
34681 +
34682 local_irq_save(efi_rt_eflags);
34683
34684 load_cr3(initial_page_table);
34685 __flush_tlb_all();
34686
34687 +#ifdef CONFIG_PAX_KERNEXEC
34688 + pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC);
34689 + write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
34690 + pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC);
34691 + write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
34692 +#endif
34693 +
34694 gdt_descr.address = __pa(get_cpu_gdt_table(0));
34695 gdt_descr.size = GDT_SIZE - 1;
34696 load_gdt(&gdt_descr);
34697 @@ -75,11 +86,24 @@ void __init efi_call_phys_epilog(void)
34698 {
34699 struct desc_ptr gdt_descr;
34700
34701 +#ifdef CONFIG_PAX_KERNEXEC
34702 + struct desc_struct d;
34703 +
34704 + memset(&d, 0, sizeof d);
34705 + write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S);
34706 + write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S);
34707 +#endif
34708 +
34709 gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
34710 gdt_descr.size = GDT_SIZE - 1;
34711 load_gdt(&gdt_descr);
34712
34713 +#ifdef CONFIG_PAX_PER_CPU_PGD
34714 + load_cr3(get_cpu_pgd(smp_processor_id(), kernel));
34715 +#else
34716 load_cr3(swapper_pg_dir);
34717 +#endif
34718 +
34719 __flush_tlb_all();
34720
34721 local_irq_restore(efi_rt_eflags);
34722 diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
34723 index 35aecb6..46177db 100644
34724 --- a/arch/x86/platform/efi/efi_64.c
34725 +++ b/arch/x86/platform/efi/efi_64.c
34726 @@ -99,6 +99,11 @@ void __init efi_call_phys_prolog(void)
34727 vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
34728 set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
34729 }
34730 +
34731 +#ifdef CONFIG_PAX_PER_CPU_PGD
34732 + load_cr3(swapper_pg_dir);
34733 +#endif
34734 +
34735 __flush_tlb_all();
34736 }
34737
34738 @@ -116,6 +121,11 @@ void __init efi_call_phys_epilog(void)
34739 for (pgd = 0; pgd < n_pgds; pgd++)
34740 set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
34741 kfree(save_pgd);
34742 +
34743 +#ifdef CONFIG_PAX_PER_CPU_PGD
34744 + load_cr3(get_cpu_pgd(smp_processor_id(), kernel));
34745 +#endif
34746 +
34747 __flush_tlb_all();
34748 local_irq_restore(efi_flags);
34749 early_code_mapping_set_exec(0);
34750 @@ -146,8 +156,23 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
34751 unsigned npages;
34752 pgd_t *pgd;
34753
34754 - if (efi_enabled(EFI_OLD_MEMMAP))
34755 + if (efi_enabled(EFI_OLD_MEMMAP)) {
34756 + /* PaX: We need to disable the NX bit in the PGD, otherwise we won't be
34757 + * able to execute the EFI services.
34758 + */
34759 + if (__supported_pte_mask & _PAGE_NX) {
34760 + unsigned long addr = (unsigned long) __va(0);
34761 + pgd_t pe = __pgd(pgd_val(*pgd_offset_k(addr)) & ~_PAGE_NX);
34762 +
34763 + pr_alert("PAX: Disabling NX protection for low memory map. Try booting without \"efi=old_map\"\n");
34764 +#ifdef CONFIG_PAX_PER_CPU_PGD
34765 + set_pgd(pgd_offset_cpu(0, kernel, addr), pe);
34766 +#endif
34767 + set_pgd(pgd_offset_k(addr), pe);
34768 + }
34769 +
34770 return 0;
34771 + }
34772
34773 efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd;
34774 pgd = __va(efi_scratch.efi_pgt);
34775 diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S
34776 index 040192b..7d3300f 100644
34777 --- a/arch/x86/platform/efi/efi_stub_32.S
34778 +++ b/arch/x86/platform/efi/efi_stub_32.S
34779 @@ -6,7 +6,9 @@
34780 */
34781
34782 #include <linux/linkage.h>
34783 +#include <linux/init.h>
34784 #include <asm/page_types.h>
34785 +#include <asm/segment.h>
34786
34787 /*
34788 * efi_call_phys(void *, ...) is a function with variable parameters.
34789 @@ -20,7 +22,7 @@
34790 * service functions will comply with gcc calling convention, too.
34791 */
34792
34793 -.text
34794 +__INIT
34795 ENTRY(efi_call_phys)
34796 /*
34797 * 0. The function can only be called in Linux kernel. So CS has been
34798 @@ -36,10 +38,24 @@ ENTRY(efi_call_phys)
34799 * The mapping of lower virtual memory has been created in prolog and
34800 * epilog.
34801 */
34802 - movl $1f, %edx
34803 - subl $__PAGE_OFFSET, %edx
34804 - jmp *%edx
34805 +#ifdef CONFIG_PAX_KERNEXEC
34806 + movl $(__KERNEXEC_EFI_DS), %edx
34807 + mov %edx, %ds
34808 + mov %edx, %es
34809 + mov %edx, %ss
34810 + addl $2f,(1f)
34811 + ljmp *(1f)
34812 +
34813 +__INITDATA
34814 +1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS
34815 +.previous
34816 +
34817 +2:
34818 + subl $2b,(1b)
34819 +#else
34820 + jmp 1f-__PAGE_OFFSET
34821 1:
34822 +#endif
34823
34824 /*
34825 * 2. Now on the top of stack is the return
34826 @@ -47,14 +63,8 @@ ENTRY(efi_call_phys)
34827 * parameter 2, ..., param n. To make things easy, we save the return
34828 * address of efi_call_phys in a global variable.
34829 */
34830 - popl %edx
34831 - movl %edx, saved_return_addr
34832 - /* get the function pointer into ECX*/
34833 - popl %ecx
34834 - movl %ecx, efi_rt_function_ptr
34835 - movl $2f, %edx
34836 - subl $__PAGE_OFFSET, %edx
34837 - pushl %edx
34838 + popl (saved_return_addr)
34839 + popl (efi_rt_function_ptr)
34840
34841 /*
34842 * 3. Clear PG bit in %CR0.
34843 @@ -73,9 +83,8 @@ ENTRY(efi_call_phys)
34844 /*
34845 * 5. Call the physical function.
34846 */
34847 - jmp *%ecx
34848 + call *(efi_rt_function_ptr-__PAGE_OFFSET)
34849
34850 -2:
34851 /*
34852 * 6. After EFI runtime service returns, control will return to
34853 * following instruction. We'd better readjust stack pointer first.
34854 @@ -88,35 +97,36 @@ ENTRY(efi_call_phys)
34855 movl %cr0, %edx
34856 orl $0x80000000, %edx
34857 movl %edx, %cr0
34858 - jmp 1f
34859 -1:
34860 +
34861 /*
34862 * 8. Now restore the virtual mode from flat mode by
34863 * adding EIP with PAGE_OFFSET.
34864 */
34865 - movl $1f, %edx
34866 - jmp *%edx
34867 +#ifdef CONFIG_PAX_KERNEXEC
34868 + movl $(__KERNEL_DS), %edx
34869 + mov %edx, %ds
34870 + mov %edx, %es
34871 + mov %edx, %ss
34872 + ljmp $(__KERNEL_CS),$1f
34873 +#else
34874 + jmp 1f+__PAGE_OFFSET
34875 +#endif
34876 1:
34877
34878 /*
34879 * 9. Balance the stack. And because EAX contain the return value,
34880 * we'd better not clobber it.
34881 */
34882 - leal efi_rt_function_ptr, %edx
34883 - movl (%edx), %ecx
34884 - pushl %ecx
34885 + pushl (efi_rt_function_ptr)
34886
34887 /*
34888 - * 10. Push the saved return address onto the stack and return.
34889 + * 10. Return to the saved return address.
34890 */
34891 - leal saved_return_addr, %edx
34892 - movl (%edx), %ecx
34893 - pushl %ecx
34894 - ret
34895 + jmpl *(saved_return_addr)
34896 ENDPROC(efi_call_phys)
34897 .previous
34898
34899 -.data
34900 +__INITDATA
34901 saved_return_addr:
34902 .long 0
34903 efi_rt_function_ptr:
34904 diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
34905 index 5fcda72..cd4dc41 100644
34906 --- a/arch/x86/platform/efi/efi_stub_64.S
34907 +++ b/arch/x86/platform/efi/efi_stub_64.S
34908 @@ -11,6 +11,7 @@
34909 #include <asm/msr.h>
34910 #include <asm/processor-flags.h>
34911 #include <asm/page_types.h>
34912 +#include <asm/alternative-asm.h>
34913
34914 #define SAVE_XMM \
34915 mov %rsp, %rax; \
34916 @@ -88,6 +89,7 @@ ENTRY(efi_call)
34917 RESTORE_PGT
34918 addq $48, %rsp
34919 RESTORE_XMM
34920 + pax_force_retaddr 0, 1
34921 ret
34922 ENDPROC(efi_call)
34923
34924 @@ -245,8 +247,8 @@ efi_gdt64:
34925 .long 0 /* Filled out by user */
34926 .word 0
34927 .quad 0x0000000000000000 /* NULL descriptor */
34928 - .quad 0x00af9a000000ffff /* __KERNEL_CS */
34929 - .quad 0x00cf92000000ffff /* __KERNEL_DS */
34930 + .quad 0x00af9b000000ffff /* __KERNEL_CS */
34931 + .quad 0x00cf93000000ffff /* __KERNEL_DS */
34932 .quad 0x0080890000000000 /* TS descriptor */
34933 .quad 0x0000000000000000 /* TS continued */
34934 efi_gdt64_end:
34935 diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c
34936 index 1bbedc4..eb795b5 100644
34937 --- a/arch/x86/platform/intel-mid/intel-mid.c
34938 +++ b/arch/x86/platform/intel-mid/intel-mid.c
34939 @@ -71,9 +71,10 @@ static void intel_mid_power_off(void)
34940 {
34941 };
34942
34943 -static void intel_mid_reboot(void)
34944 +static void __noreturn intel_mid_reboot(void)
34945 {
34946 intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
34947 + BUG();
34948 }
34949
34950 static unsigned long __init intel_mid_calibrate_tsc(void)
34951 diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h
34952 index 3c1c386..59a68ed 100644
34953 --- a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h
34954 +++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h
34955 @@ -13,6 +13,6 @@
34956 /* For every CPU addition a new get_<cpuname>_ops interface needs
34957 * to be added.
34958 */
34959 -extern void *get_penwell_ops(void);
34960 -extern void *get_cloverview_ops(void);
34961 -extern void *get_tangier_ops(void);
34962 +extern const void *get_penwell_ops(void);
34963 +extern const void *get_cloverview_ops(void);
34964 +extern const void *get_tangier_ops(void);
34965 diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c
34966 index 23381d2..8ddc10e 100644
34967 --- a/arch/x86/platform/intel-mid/mfld.c
34968 +++ b/arch/x86/platform/intel-mid/mfld.c
34969 @@ -64,12 +64,12 @@ static void __init penwell_arch_setup(void)
34970 pm_power_off = mfld_power_off;
34971 }
34972
34973 -void *get_penwell_ops(void)
34974 +const void *get_penwell_ops(void)
34975 {
34976 return &penwell_ops;
34977 }
34978
34979 -void *get_cloverview_ops(void)
34980 +const void *get_cloverview_ops(void)
34981 {
34982 return &penwell_ops;
34983 }
34984 diff --git a/arch/x86/platform/intel-mid/mrfl.c b/arch/x86/platform/intel-mid/mrfl.c
34985 index aaca917..66eadbc 100644
34986 --- a/arch/x86/platform/intel-mid/mrfl.c
34987 +++ b/arch/x86/platform/intel-mid/mrfl.c
34988 @@ -97,7 +97,7 @@ static struct intel_mid_ops tangier_ops = {
34989 .arch_setup = tangier_arch_setup,
34990 };
34991
34992 -void *get_tangier_ops(void)
34993 +const void *get_tangier_ops(void)
34994 {
34995 return &tangier_ops;
34996 }
34997 diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
34998 index d6ee929..3637cb5 100644
34999 --- a/arch/x86/platform/olpc/olpc_dt.c
35000 +++ b/arch/x86/platform/olpc/olpc_dt.c
35001 @@ -156,7 +156,7 @@ void * __init prom_early_alloc(unsigned long size)
35002 return res;
35003 }
35004
35005 -static struct of_pdt_ops prom_olpc_ops __initdata = {
35006 +static struct of_pdt_ops prom_olpc_ops __initconst = {
35007 .nextprop = olpc_dt_nextprop,
35008 .getproplen = olpc_dt_getproplen,
35009 .getproperty = olpc_dt_getproperty,
35010 diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
35011 index 6ec7910..ecdbb11 100644
35012 --- a/arch/x86/power/cpu.c
35013 +++ b/arch/x86/power/cpu.c
35014 @@ -137,11 +137,8 @@ static void do_fpu_end(void)
35015 static void fix_processor_context(void)
35016 {
35017 int cpu = smp_processor_id();
35018 - struct tss_struct *t = &per_cpu(init_tss, cpu);
35019 -#ifdef CONFIG_X86_64
35020 - struct desc_struct *desc = get_cpu_gdt_table(cpu);
35021 - tss_desc tss;
35022 -#endif
35023 + struct tss_struct *t = init_tss + cpu;
35024 +
35025 set_tss_desc(cpu, t); /*
35026 * This just modifies memory; should not be
35027 * necessary. But... This is necessary, because
35028 @@ -150,10 +147,6 @@ static void fix_processor_context(void)
35029 */
35030
35031 #ifdef CONFIG_X86_64
35032 - memcpy(&tss, &desc[GDT_ENTRY_TSS], sizeof(tss_desc));
35033 - tss.type = 0x9; /* The available 64-bit TSS (see AMD vol 2, pg 91 */
35034 - write_gdt_entry(desc, GDT_ENTRY_TSS, &tss, DESC_TSS);
35035 -
35036 syscall_init(); /* This sets MSR_*STAR and related */
35037 #endif
35038 load_TR_desc(); /* This does ltr */
35039 diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
35040 index bad628a..a102610 100644
35041 --- a/arch/x86/realmode/init.c
35042 +++ b/arch/x86/realmode/init.c
35043 @@ -68,7 +68,13 @@ void __init setup_real_mode(void)
35044 __va(real_mode_header->trampoline_header);
35045
35046 #ifdef CONFIG_X86_32
35047 - trampoline_header->start = __pa_symbol(startup_32_smp);
35048 + trampoline_header->start = __pa_symbol(ktla_ktva(startup_32_smp));
35049 +
35050 +#ifdef CONFIG_PAX_KERNEXEC
35051 + trampoline_header->start -= LOAD_PHYSICAL_ADDR;
35052 +#endif
35053 +
35054 + trampoline_header->boot_cs = __BOOT_CS;
35055 trampoline_header->gdt_limit = __BOOT_DS + 7;
35056 trampoline_header->gdt_base = __pa_symbol(boot_gdt);
35057 #else
35058 @@ -84,7 +90,7 @@ void __init setup_real_mode(void)
35059 *trampoline_cr4_features = read_cr4();
35060
35061 trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd);
35062 - trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd;
35063 + trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd & ~_PAGE_NX;
35064 trampoline_pgd[511] = init_level4_pgt[511].pgd;
35065 #endif
35066 }
35067 diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
35068 index 7c0d7be..d24dc88 100644
35069 --- a/arch/x86/realmode/rm/Makefile
35070 +++ b/arch/x86/realmode/rm/Makefile
35071 @@ -67,5 +67,8 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
35072
35073 KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
35074 -I$(srctree)/arch/x86/boot
35075 +ifdef CONSTIFY_PLUGIN
35076 +KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify
35077 +endif
35078 KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
35079 GCOV_PROFILE := n
35080 diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S
35081 index a28221d..93c40f1 100644
35082 --- a/arch/x86/realmode/rm/header.S
35083 +++ b/arch/x86/realmode/rm/header.S
35084 @@ -30,7 +30,9 @@ GLOBAL(real_mode_header)
35085 #endif
35086 /* APM/BIOS reboot */
35087 .long pa_machine_real_restart_asm
35088 -#ifdef CONFIG_X86_64
35089 +#ifdef CONFIG_X86_32
35090 + .long __KERNEL_CS
35091 +#else
35092 .long __KERNEL32_CS
35093 #endif
35094 END(real_mode_header)
35095 diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
35096 index 48ddd76..c26749f 100644
35097 --- a/arch/x86/realmode/rm/trampoline_32.S
35098 +++ b/arch/x86/realmode/rm/trampoline_32.S
35099 @@ -24,6 +24,12 @@
35100 #include <asm/page_types.h>
35101 #include "realmode.h"
35102
35103 +#ifdef CONFIG_PAX_KERNEXEC
35104 +#define ta(X) (X)
35105 +#else
35106 +#define ta(X) (pa_ ## X)
35107 +#endif
35108 +
35109 .text
35110 .code16
35111
35112 @@ -38,8 +44,6 @@ ENTRY(trampoline_start)
35113
35114 cli # We should be safe anyway
35115
35116 - movl tr_start, %eax # where we need to go
35117 -
35118 movl $0xA5A5A5A5, trampoline_status
35119 # write marker for master knows we're running
35120
35121 @@ -55,7 +59,7 @@ ENTRY(trampoline_start)
35122 movw $1, %dx # protected mode (PE) bit
35123 lmsw %dx # into protected mode
35124
35125 - ljmpl $__BOOT_CS, $pa_startup_32
35126 + ljmpl *(trampoline_header)
35127
35128 .section ".text32","ax"
35129 .code32
35130 @@ -66,7 +70,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S
35131 .balign 8
35132 GLOBAL(trampoline_header)
35133 tr_start: .space 4
35134 - tr_gdt_pad: .space 2
35135 + tr_boot_cs: .space 2
35136 tr_gdt: .space 6
35137 END(trampoline_header)
35138
35139 diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
35140 index dac7b20..72dbaca 100644
35141 --- a/arch/x86/realmode/rm/trampoline_64.S
35142 +++ b/arch/x86/realmode/rm/trampoline_64.S
35143 @@ -93,6 +93,7 @@ ENTRY(startup_32)
35144 movl %edx, %gs
35145
35146 movl pa_tr_cr4, %eax
35147 + andl $~X86_CR4_PCIDE, %eax
35148 movl %eax, %cr4 # Enable PAE mode
35149
35150 # Setup trampoline 4 level pagetables
35151 @@ -106,7 +107,7 @@ ENTRY(startup_32)
35152 wrmsr
35153
35154 # Enable paging and in turn activate Long Mode
35155 - movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax
35156 + movl $(X86_CR0_PG | X86_CR0_PE), %eax
35157 movl %eax, %cr0
35158
35159 /*
35160 diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S
35161 index 9e7e147..25a4158 100644
35162 --- a/arch/x86/realmode/rm/wakeup_asm.S
35163 +++ b/arch/x86/realmode/rm/wakeup_asm.S
35164 @@ -126,11 +126,10 @@ ENTRY(wakeup_start)
35165 lgdtl pmode_gdt
35166
35167 /* This really couldn't... */
35168 - movl pmode_entry, %eax
35169 movl pmode_cr0, %ecx
35170 movl %ecx, %cr0
35171 - ljmpl $__KERNEL_CS, $pa_startup_32
35172 - /* -> jmp *%eax in trampoline_32.S */
35173 +
35174 + ljmpl *pmode_entry
35175 #else
35176 jmp trampoline_start
35177 #endif
35178 diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
35179 index 604a37e..e49702a 100644
35180 --- a/arch/x86/tools/Makefile
35181 +++ b/arch/x86/tools/Makefile
35182 @@ -37,7 +37,7 @@ $(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/in
35183
35184 $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
35185
35186 -HOST_EXTRACFLAGS += -I$(srctree)/tools/include
35187 +HOST_EXTRACFLAGS += -I$(srctree)/tools/include -ggdb
35188 hostprogs-y += relocs
35189 relocs-objs := relocs_32.o relocs_64.o relocs_common.o
35190 PHONY += relocs
35191 diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
35192 index a5efb21..97490e9 100644
35193 --- a/arch/x86/tools/relocs.c
35194 +++ b/arch/x86/tools/relocs.c
35195 @@ -1,5 +1,7 @@
35196 /* This is included from relocs_32/64.c */
35197
35198 +#include "../../../include/generated/autoconf.h"
35199 +
35200 #define ElfW(type) _ElfW(ELF_BITS, type)
35201 #define _ElfW(bits, type) __ElfW(bits, type)
35202 #define __ElfW(bits, type) Elf##bits##_##type
35203 @@ -11,6 +13,7 @@
35204 #define Elf_Sym ElfW(Sym)
35205
35206 static Elf_Ehdr ehdr;
35207 +static Elf_Phdr *phdr;
35208
35209 struct relocs {
35210 uint32_t *offset;
35211 @@ -383,9 +386,39 @@ static void read_ehdr(FILE *fp)
35212 }
35213 }
35214
35215 +static void read_phdrs(FILE *fp)
35216 +{
35217 + unsigned int i;
35218 +
35219 + phdr = calloc(ehdr.e_phnum, sizeof(Elf_Phdr));
35220 + if (!phdr) {
35221 + die("Unable to allocate %d program headers\n",
35222 + ehdr.e_phnum);
35223 + }
35224 + if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) {
35225 + die("Seek to %d failed: %s\n",
35226 + ehdr.e_phoff, strerror(errno));
35227 + }
35228 + if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) {
35229 + die("Cannot read ELF program headers: %s\n",
35230 + strerror(errno));
35231 + }
35232 + for(i = 0; i < ehdr.e_phnum; i++) {
35233 + phdr[i].p_type = elf_word_to_cpu(phdr[i].p_type);
35234 + phdr[i].p_offset = elf_off_to_cpu(phdr[i].p_offset);
35235 + phdr[i].p_vaddr = elf_addr_to_cpu(phdr[i].p_vaddr);
35236 + phdr[i].p_paddr = elf_addr_to_cpu(phdr[i].p_paddr);
35237 + phdr[i].p_filesz = elf_word_to_cpu(phdr[i].p_filesz);
35238 + phdr[i].p_memsz = elf_word_to_cpu(phdr[i].p_memsz);
35239 + phdr[i].p_flags = elf_word_to_cpu(phdr[i].p_flags);
35240 + phdr[i].p_align = elf_word_to_cpu(phdr[i].p_align);
35241 + }
35242 +
35243 +}
35244 +
35245 static void read_shdrs(FILE *fp)
35246 {
35247 - int i;
35248 + unsigned int i;
35249 Elf_Shdr shdr;
35250
35251 secs = calloc(ehdr.e_shnum, sizeof(struct section));
35252 @@ -420,7 +453,7 @@ static void read_shdrs(FILE *fp)
35253
35254 static void read_strtabs(FILE *fp)
35255 {
35256 - int i;
35257 + unsigned int i;
35258 for (i = 0; i < ehdr.e_shnum; i++) {
35259 struct section *sec = &secs[i];
35260 if (sec->shdr.sh_type != SHT_STRTAB) {
35261 @@ -445,7 +478,7 @@ static void read_strtabs(FILE *fp)
35262
35263 static void read_symtabs(FILE *fp)
35264 {
35265 - int i,j;
35266 + unsigned int i,j;
35267 for (i = 0; i < ehdr.e_shnum; i++) {
35268 struct section *sec = &secs[i];
35269 if (sec->shdr.sh_type != SHT_SYMTAB) {
35270 @@ -476,9 +509,11 @@ static void read_symtabs(FILE *fp)
35271 }
35272
35273
35274 -static void read_relocs(FILE *fp)
35275 +static void read_relocs(FILE *fp, int use_real_mode)
35276 {
35277 - int i,j;
35278 + unsigned int i,j;
35279 + uint32_t base;
35280 +
35281 for (i = 0; i < ehdr.e_shnum; i++) {
35282 struct section *sec = &secs[i];
35283 if (sec->shdr.sh_type != SHT_REL_TYPE) {
35284 @@ -498,9 +533,22 @@ static void read_relocs(FILE *fp)
35285 die("Cannot read symbol table: %s\n",
35286 strerror(errno));
35287 }
35288 + base = 0;
35289 +
35290 +#ifdef CONFIG_X86_32
35291 + for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) {
35292 + if (phdr[j].p_type != PT_LOAD )
35293 + continue;
35294 + if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz)
35295 + continue;
35296 + base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr;
35297 + break;
35298 + }
35299 +#endif
35300 +
35301 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) {
35302 Elf_Rel *rel = &sec->reltab[j];
35303 - rel->r_offset = elf_addr_to_cpu(rel->r_offset);
35304 + rel->r_offset = elf_addr_to_cpu(rel->r_offset) + base;
35305 rel->r_info = elf_xword_to_cpu(rel->r_info);
35306 #if (SHT_REL_TYPE == SHT_RELA)
35307 rel->r_addend = elf_xword_to_cpu(rel->r_addend);
35308 @@ -512,7 +560,7 @@ static void read_relocs(FILE *fp)
35309
35310 static void print_absolute_symbols(void)
35311 {
35312 - int i;
35313 + unsigned int i;
35314 const char *format;
35315
35316 if (ELF_BITS == 64)
35317 @@ -525,7 +573,7 @@ static void print_absolute_symbols(void)
35318 for (i = 0; i < ehdr.e_shnum; i++) {
35319 struct section *sec = &secs[i];
35320 char *sym_strtab;
35321 - int j;
35322 + unsigned int j;
35323
35324 if (sec->shdr.sh_type != SHT_SYMTAB) {
35325 continue;
35326 @@ -552,7 +600,7 @@ static void print_absolute_symbols(void)
35327
35328 static void print_absolute_relocs(void)
35329 {
35330 - int i, printed = 0;
35331 + unsigned int i, printed = 0;
35332 const char *format;
35333
35334 if (ELF_BITS == 64)
35335 @@ -565,7 +613,7 @@ static void print_absolute_relocs(void)
35336 struct section *sec_applies, *sec_symtab;
35337 char *sym_strtab;
35338 Elf_Sym *sh_symtab;
35339 - int j;
35340 + unsigned int j;
35341 if (sec->shdr.sh_type != SHT_REL_TYPE) {
35342 continue;
35343 }
35344 @@ -642,13 +690,13 @@ static void add_reloc(struct relocs *r, uint32_t offset)
35345 static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel,
35346 Elf_Sym *sym, const char *symname))
35347 {
35348 - int i;
35349 + unsigned int i;
35350 /* Walk through the relocations */
35351 for (i = 0; i < ehdr.e_shnum; i++) {
35352 char *sym_strtab;
35353 Elf_Sym *sh_symtab;
35354 struct section *sec_applies, *sec_symtab;
35355 - int j;
35356 + unsigned int j;
35357 struct section *sec = &secs[i];
35358
35359 if (sec->shdr.sh_type != SHT_REL_TYPE) {
35360 @@ -822,6 +870,23 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, Elf_Sym *sym,
35361 {
35362 unsigned r_type = ELF32_R_TYPE(rel->r_info);
35363 int shn_abs = (sym->st_shndx == SHN_ABS) && !is_reloc(S_REL, symname);
35364 + char *sym_strtab = sec->link->link->strtab;
35365 +
35366 + /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */
35367 + if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load"))
35368 + return 0;
35369 +
35370 +#ifdef CONFIG_PAX_KERNEXEC
35371 + /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */
35372 + if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext"))
35373 + return 0;
35374 + if (!strcmp(sec_name(sym->st_shndx), ".init.text"))
35375 + return 0;
35376 + if (!strcmp(sec_name(sym->st_shndx), ".exit.text"))
35377 + return 0;
35378 + if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR"))
35379 + return 0;
35380 +#endif
35381
35382 switch (r_type) {
35383 case R_386_NONE:
35384 @@ -960,7 +1025,7 @@ static int write32_as_text(uint32_t v, FILE *f)
35385
35386 static void emit_relocs(int as_text, int use_real_mode)
35387 {
35388 - int i;
35389 + unsigned int i;
35390 int (*write_reloc)(uint32_t, FILE *) = write32;
35391 int (*do_reloc)(struct section *sec, Elf_Rel *rel, Elf_Sym *sym,
35392 const char *symname);
35393 @@ -1060,10 +1125,11 @@ void process(FILE *fp, int use_real_mode, int as_text,
35394 {
35395 regex_init(use_real_mode);
35396 read_ehdr(fp);
35397 + read_phdrs(fp);
35398 read_shdrs(fp);
35399 read_strtabs(fp);
35400 read_symtabs(fp);
35401 - read_relocs(fp);
35402 + read_relocs(fp, use_real_mode);
35403 if (ELF_BITS == 64)
35404 percpu_init();
35405 if (show_absolute_syms) {
35406 diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c
35407 index f40281e..92728c9 100644
35408 --- a/arch/x86/um/mem_32.c
35409 +++ b/arch/x86/um/mem_32.c
35410 @@ -21,7 +21,7 @@ static int __init gate_vma_init(void)
35411 gate_vma.vm_start = FIXADDR_USER_START;
35412 gate_vma.vm_end = FIXADDR_USER_END;
35413 gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
35414 - gate_vma.vm_page_prot = __P101;
35415 + gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags);
35416
35417 return 0;
35418 }
35419 diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c
35420 index 80ffa5b..a33bd15 100644
35421 --- a/arch/x86/um/tls_32.c
35422 +++ b/arch/x86/um/tls_32.c
35423 @@ -260,7 +260,7 @@ out:
35424 if (unlikely(task == current &&
35425 !t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].flushed)) {
35426 printk(KERN_ERR "get_tls_entry: task with pid %d got here "
35427 - "without flushed TLS.", current->pid);
35428 + "without flushed TLS.", task_pid_nr(current));
35429 }
35430
35431 return 0;
35432 diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
35433 index 5a4affe..9e2d522 100644
35434 --- a/arch/x86/vdso/Makefile
35435 +++ b/arch/x86/vdso/Makefile
35436 @@ -174,7 +174,7 @@ quiet_cmd_vdso = VDSO $@
35437 -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
35438 sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
35439
35440 -VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \
35441 +VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \
35442 $(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS)
35443 GCOV_PROFILE := n
35444
35445 diff --git a/arch/x86/vdso/vdso2c.h b/arch/x86/vdso/vdso2c.h
35446 index 0224987..c7d65a5 100644
35447 --- a/arch/x86/vdso/vdso2c.h
35448 +++ b/arch/x86/vdso/vdso2c.h
35449 @@ -12,7 +12,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
35450 unsigned long load_size = -1; /* Work around bogus warning */
35451 unsigned long mapping_size;
35452 ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr;
35453 - int i;
35454 + unsigned int i;
35455 unsigned long j;
35456 ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr,
35457 *alt_sec = NULL;
35458 diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
35459 index e904c27..b9eaa03 100644
35460 --- a/arch/x86/vdso/vdso32-setup.c
35461 +++ b/arch/x86/vdso/vdso32-setup.c
35462 @@ -14,6 +14,7 @@
35463 #include <asm/cpufeature.h>
35464 #include <asm/processor.h>
35465 #include <asm/vdso.h>
35466 +#include <asm/mman.h>
35467
35468 #ifdef CONFIG_COMPAT_VDSO
35469 #define VDSO_DEFAULT 0
35470 diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
35471 index 208c220..54f1447 100644
35472 --- a/arch/x86/vdso/vma.c
35473 +++ b/arch/x86/vdso/vma.c
35474 @@ -16,10 +16,9 @@
35475 #include <asm/vdso.h>
35476 #include <asm/page.h>
35477 #include <asm/hpet.h>
35478 +#include <asm/mman.h>
35479
35480 #if defined(CONFIG_X86_64)
35481 -unsigned int __read_mostly vdso64_enabled = 1;
35482 -
35483 extern unsigned short vdso_sync_cpuid;
35484 #endif
35485
35486 @@ -114,6 +113,11 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr)
35487 .pages = no_pages,
35488 };
35489
35490 +#ifdef CONFIG_PAX_RANDMMAP
35491 + if (mm->pax_flags & MF_PAX_RANDMMAP)
35492 + calculate_addr = false;
35493 +#endif
35494 +
35495 if (calculate_addr) {
35496 addr = vdso_addr(current->mm->start_stack,
35497 image->size - image->sym_vvar_start);
35498 @@ -124,14 +128,14 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr)
35499 down_write(&mm->mmap_sem);
35500
35501 addr = get_unmapped_area(NULL, addr,
35502 - image->size - image->sym_vvar_start, 0, 0);
35503 + image->size - image->sym_vvar_start, 0, MAP_EXECUTABLE);
35504 if (IS_ERR_VALUE(addr)) {
35505 ret = addr;
35506 goto up_fail;
35507 }
35508
35509 text_start = addr - image->sym_vvar_start;
35510 - current->mm->context.vdso = (void __user *)text_start;
35511 + mm->context.vdso = text_start;
35512
35513 /*
35514 * MAYWRITE to allow gdb to COW and set breakpoints
35515 @@ -176,15 +180,12 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr)
35516 hpet_address >> PAGE_SHIFT,
35517 PAGE_SIZE,
35518 pgprot_noncached(PAGE_READONLY));
35519 -
35520 - if (ret)
35521 - goto up_fail;
35522 }
35523 #endif
35524
35525 up_fail:
35526 if (ret)
35527 - current->mm->context.vdso = NULL;
35528 + current->mm->context.vdso = 0;
35529
35530 up_write(&mm->mmap_sem);
35531 return ret;
35532 @@ -204,8 +205,8 @@ static int load_vdso32(void)
35533
35534 if (selected_vdso32->sym_VDSO32_SYSENTER_RETURN)
35535 current_thread_info()->sysenter_return =
35536 - current->mm->context.vdso +
35537 - selected_vdso32->sym_VDSO32_SYSENTER_RETURN;
35538 + (void __force_user *)(current->mm->context.vdso +
35539 + selected_vdso32->sym_VDSO32_SYSENTER_RETURN);
35540
35541 return 0;
35542 }
35543 @@ -214,9 +215,6 @@ static int load_vdso32(void)
35544 #ifdef CONFIG_X86_64
35545 int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
35546 {
35547 - if (!vdso64_enabled)
35548 - return 0;
35549 -
35550 return map_vdso(&vdso_image_64, true);
35551 }
35552
35553 @@ -225,12 +223,8 @@ int compat_arch_setup_additional_pages(struct linux_binprm *bprm,
35554 int uses_interp)
35555 {
35556 #ifdef CONFIG_X86_X32_ABI
35557 - if (test_thread_flag(TIF_X32)) {
35558 - if (!vdso64_enabled)
35559 - return 0;
35560 -
35561 + if (test_thread_flag(TIF_X32))
35562 return map_vdso(&vdso_image_x32, true);
35563 - }
35564 #endif
35565
35566 return load_vdso32();
35567 @@ -242,12 +236,3 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
35568 return load_vdso32();
35569 }
35570 #endif
35571 -
35572 -#ifdef CONFIG_X86_64
35573 -static __init int vdso_setup(char *s)
35574 -{
35575 - vdso64_enabled = simple_strtoul(s, NULL, 0);
35576 - return 0;
35577 -}
35578 -__setup("vdso=", vdso_setup);
35579 -#endif
35580 diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
35581 index e88fda8..76ce7ce 100644
35582 --- a/arch/x86/xen/Kconfig
35583 +++ b/arch/x86/xen/Kconfig
35584 @@ -9,6 +9,7 @@ config XEN
35585 select XEN_HAVE_PVMMU
35586 depends on X86_64 || (X86_32 && X86_PAE)
35587 depends on X86_TSC
35588 + depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_XEN
35589 help
35590 This is the Linux Xen port. Enabling this will allow the
35591 kernel to boot in a paravirtualized environment under the
35592 diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
35593 index fac5e4f..89c3525 100644
35594 --- a/arch/x86/xen/enlighten.c
35595 +++ b/arch/x86/xen/enlighten.c
35596 @@ -123,8 +123,6 @@ EXPORT_SYMBOL_GPL(xen_start_info);
35597
35598 struct shared_info xen_dummy_shared_info;
35599
35600 -void *xen_initial_gdt;
35601 -
35602 RESERVE_BRK(shared_info_page_brk, PAGE_SIZE);
35603 __read_mostly int xen_have_vector_callback;
35604 EXPORT_SYMBOL_GPL(xen_have_vector_callback);
35605 @@ -542,8 +540,7 @@ static void xen_load_gdt(const struct desc_ptr *dtr)
35606 {
35607 unsigned long va = dtr->address;
35608 unsigned int size = dtr->size + 1;
35609 - unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
35610 - unsigned long frames[pages];
35611 + unsigned long frames[65536 / PAGE_SIZE];
35612 int f;
35613
35614 /*
35615 @@ -591,8 +588,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr)
35616 {
35617 unsigned long va = dtr->address;
35618 unsigned int size = dtr->size + 1;
35619 - unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
35620 - unsigned long frames[pages];
35621 + unsigned long frames[(GDT_SIZE + PAGE_SIZE - 1) / PAGE_SIZE];
35622 int f;
35623
35624 /*
35625 @@ -600,7 +596,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr)
35626 * 8-byte entries, or 16 4k pages..
35627 */
35628
35629 - BUG_ON(size > 65536);
35630 + BUG_ON(size > GDT_SIZE);
35631 BUG_ON(va & ~PAGE_MASK);
35632
35633 for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) {
35634 @@ -989,7 +985,7 @@ static u32 xen_safe_apic_wait_icr_idle(void)
35635 return 0;
35636 }
35637
35638 -static void set_xen_basic_apic_ops(void)
35639 +static void __init set_xen_basic_apic_ops(void)
35640 {
35641 apic->read = xen_apic_read;
35642 apic->write = xen_apic_write;
35643 @@ -1295,30 +1291,30 @@ static const struct pv_apic_ops xen_apic_ops __initconst = {
35644 #endif
35645 };
35646
35647 -static void xen_reboot(int reason)
35648 +static __noreturn void xen_reboot(int reason)
35649 {
35650 struct sched_shutdown r = { .reason = reason };
35651
35652 - if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
35653 - BUG();
35654 + HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
35655 + BUG();
35656 }
35657
35658 -static void xen_restart(char *msg)
35659 +static __noreturn void xen_restart(char *msg)
35660 {
35661 xen_reboot(SHUTDOWN_reboot);
35662 }
35663
35664 -static void xen_emergency_restart(void)
35665 +static __noreturn void xen_emergency_restart(void)
35666 {
35667 xen_reboot(SHUTDOWN_reboot);
35668 }
35669
35670 -static void xen_machine_halt(void)
35671 +static __noreturn void xen_machine_halt(void)
35672 {
35673 xen_reboot(SHUTDOWN_poweroff);
35674 }
35675
35676 -static void xen_machine_power_off(void)
35677 +static __noreturn void xen_machine_power_off(void)
35678 {
35679 if (pm_power_off)
35680 pm_power_off();
35681 @@ -1456,8 +1452,11 @@ static void __ref xen_setup_gdt(int cpu)
35682 pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot;
35683 pv_cpu_ops.load_gdt = xen_load_gdt_boot;
35684
35685 - setup_stack_canary_segment(0);
35686 - switch_to_new_gdt(0);
35687 + setup_stack_canary_segment(cpu);
35688 +#ifdef CONFIG_X86_64
35689 + load_percpu_segment(cpu);
35690 +#endif
35691 + switch_to_new_gdt(cpu);
35692
35693 pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry;
35694 pv_cpu_ops.load_gdt = xen_load_gdt;
35695 @@ -1573,7 +1572,17 @@ asmlinkage __visible void __init xen_start_kernel(void)
35696 __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
35697
35698 /* Work out if we support NX */
35699 - x86_configure_nx();
35700 +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
35701 + if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 &&
35702 + (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) {
35703 + unsigned l, h;
35704 +
35705 + __supported_pte_mask |= _PAGE_NX;
35706 + rdmsr(MSR_EFER, l, h);
35707 + l |= EFER_NX;
35708 + wrmsr(MSR_EFER, l, h);
35709 + }
35710 +#endif
35711
35712 /* Get mfn list */
35713 xen_build_dynamic_phys_to_machine();
35714 @@ -1601,13 +1610,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
35715
35716 machine_ops = xen_machine_ops;
35717
35718 - /*
35719 - * The only reliable way to retain the initial address of the
35720 - * percpu gdt_page is to remember it here, so we can go and
35721 - * mark it RW later, when the initial percpu area is freed.
35722 - */
35723 - xen_initial_gdt = &per_cpu(gdt_page, 0);
35724 -
35725 xen_smp_init();
35726
35727 #ifdef CONFIG_ACPI_NUMA
35728 diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
35729 index a8a1a3d..8216142 100644
35730 --- a/arch/x86/xen/mmu.c
35731 +++ b/arch/x86/xen/mmu.c
35732 @@ -379,7 +379,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val)
35733 return val;
35734 }
35735
35736 -static pteval_t pte_pfn_to_mfn(pteval_t val)
35737 +static pteval_t __intentional_overflow(-1) pte_pfn_to_mfn(pteval_t val)
35738 {
35739 if (val & _PAGE_PRESENT) {
35740 unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT;
35741 @@ -1867,7 +1867,11 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
35742 * L3_k[511] -> level2_fixmap_pgt */
35743 convert_pfn_mfn(level3_kernel_pgt);
35744
35745 + convert_pfn_mfn(level3_vmalloc_start_pgt);
35746 + convert_pfn_mfn(level3_vmalloc_end_pgt);
35747 + convert_pfn_mfn(level3_vmemmap_pgt);
35748 /* L3_k[511][506] -> level1_fixmap_pgt */
35749 + /* L3_k[511][507] -> level1_vsyscall_pgt */
35750 convert_pfn_mfn(level2_fixmap_pgt);
35751 }
35752 /* We get [511][511] and have Xen's version of level2_kernel_pgt */
35753 @@ -1892,11 +1896,16 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
35754 set_page_prot(init_level4_pgt, PAGE_KERNEL_RO);
35755 set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO);
35756 set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO);
35757 + set_page_prot(level3_vmalloc_start_pgt, PAGE_KERNEL_RO);
35758 + set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO);
35759 + set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO);
35760 set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO);
35761 set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO);
35762 + set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO);
35763 set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO);
35764 set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO);
35765 set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO);
35766 + set_page_prot(level1_vsyscall_pgt, PAGE_KERNEL_RO);
35767
35768 /* Pin down new L4 */
35769 pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE,
35770 @@ -2080,6 +2089,7 @@ static void __init xen_post_allocator_init(void)
35771 pv_mmu_ops.set_pud = xen_set_pud;
35772 #if PAGETABLE_LEVELS == 4
35773 pv_mmu_ops.set_pgd = xen_set_pgd;
35774 + pv_mmu_ops.set_pgd_batched = xen_set_pgd;
35775 #endif
35776
35777 /* This will work as long as patching hasn't happened yet
35778 @@ -2158,6 +2168,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = {
35779 .pud_val = PV_CALLEE_SAVE(xen_pud_val),
35780 .make_pud = PV_CALLEE_SAVE(xen_make_pud),
35781 .set_pgd = xen_set_pgd_hyper,
35782 + .set_pgd_batched = xen_set_pgd_hyper,
35783
35784 .alloc_pud = xen_alloc_pmd_init,
35785 .release_pud = xen_release_pmd_init,
35786 diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
35787 index 4c071ae..00e7049 100644
35788 --- a/arch/x86/xen/smp.c
35789 +++ b/arch/x86/xen/smp.c
35790 @@ -288,17 +288,13 @@ static void __init xen_smp_prepare_boot_cpu(void)
35791
35792 if (xen_pv_domain()) {
35793 if (!xen_feature(XENFEAT_writable_page_tables))
35794 - /* We've switched to the "real" per-cpu gdt, so make
35795 - * sure the old memory can be recycled. */
35796 - make_lowmem_page_readwrite(xen_initial_gdt);
35797 -
35798 #ifdef CONFIG_X86_32
35799 /*
35800 * Xen starts us with XEN_FLAT_RING1_DS, but linux code
35801 * expects __USER_DS
35802 */
35803 - loadsegment(ds, __USER_DS);
35804 - loadsegment(es, __USER_DS);
35805 + loadsegment(ds, __KERNEL_DS);
35806 + loadsegment(es, __KERNEL_DS);
35807 #endif
35808
35809 xen_filter_cpu_maps();
35810 @@ -379,7 +375,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
35811 #ifdef CONFIG_X86_32
35812 /* Note: PVH is not yet supported on x86_32. */
35813 ctxt->user_regs.fs = __KERNEL_PERCPU;
35814 - ctxt->user_regs.gs = __KERNEL_STACK_CANARY;
35815 + savesegment(gs, ctxt->user_regs.gs);
35816 #endif
35817 memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt));
35818
35819 @@ -387,8 +383,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
35820 ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle;
35821 ctxt->flags = VGCF_IN_KERNEL;
35822 ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */
35823 - ctxt->user_regs.ds = __USER_DS;
35824 - ctxt->user_regs.es = __USER_DS;
35825 + ctxt->user_regs.ds = __KERNEL_DS;
35826 + ctxt->user_regs.es = __KERNEL_DS;
35827 ctxt->user_regs.ss = __KERNEL_DS;
35828
35829 xen_copy_trap_info(ctxt->trap_ctxt);
35830 @@ -446,14 +442,13 @@ static int xen_cpu_up(unsigned int cpu, struct task_struct *idle)
35831 int rc;
35832
35833 per_cpu(current_task, cpu) = idle;
35834 + per_cpu(current_tinfo, cpu) = &idle->tinfo;
35835 #ifdef CONFIG_X86_32
35836 irq_ctx_init(cpu);
35837 #else
35838 clear_tsk_thread_flag(idle, TIF_FORK);
35839 #endif
35840 - per_cpu(kernel_stack, cpu) =
35841 - (unsigned long)task_stack_page(idle) -
35842 - KERNEL_STACK_OFFSET + THREAD_SIZE;
35843 + per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE;
35844
35845 xen_setup_runstate_info(cpu);
35846 xen_setup_timer(cpu);
35847 @@ -732,7 +727,7 @@ static const struct smp_ops xen_smp_ops __initconst = {
35848
35849 void __init xen_smp_init(void)
35850 {
35851 - smp_ops = xen_smp_ops;
35852 + memcpy((void *)&smp_ops, &xen_smp_ops, sizeof smp_ops);
35853 xen_fill_possible_map();
35854 }
35855
35856 diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
35857 index fd92a64..1f72641 100644
35858 --- a/arch/x86/xen/xen-asm_32.S
35859 +++ b/arch/x86/xen/xen-asm_32.S
35860 @@ -99,7 +99,7 @@ ENTRY(xen_iret)
35861 pushw %fs
35862 movl $(__KERNEL_PERCPU), %eax
35863 movl %eax, %fs
35864 - movl %fs:xen_vcpu, %eax
35865 + mov PER_CPU_VAR(xen_vcpu), %eax
35866 POP_FS
35867 #else
35868 movl %ss:xen_vcpu, %eax
35869 diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
35870 index 674b2225..f1f5dc1 100644
35871 --- a/arch/x86/xen/xen-head.S
35872 +++ b/arch/x86/xen/xen-head.S
35873 @@ -39,6 +39,17 @@ ENTRY(startup_xen)
35874 #ifdef CONFIG_X86_32
35875 mov %esi,xen_start_info
35876 mov $init_thread_union+THREAD_SIZE,%esp
35877 +#ifdef CONFIG_SMP
35878 + movl $cpu_gdt_table,%edi
35879 + movl $__per_cpu_load,%eax
35880 + movw %ax,__KERNEL_PERCPU + 2(%edi)
35881 + rorl $16,%eax
35882 + movb %al,__KERNEL_PERCPU + 4(%edi)
35883 + movb %ah,__KERNEL_PERCPU + 7(%edi)
35884 + movl $__per_cpu_end - 1,%eax
35885 + subl $__per_cpu_start,%eax
35886 + movw %ax,__KERNEL_PERCPU + 0(%edi)
35887 +#endif
35888 #else
35889 mov %rsi,xen_start_info
35890 mov $init_thread_union+THREAD_SIZE,%rsp
35891 diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
35892 index 28c7e0b..2acfec7 100644
35893 --- a/arch/x86/xen/xen-ops.h
35894 +++ b/arch/x86/xen/xen-ops.h
35895 @@ -10,8 +10,6 @@
35896 extern const char xen_hypervisor_callback[];
35897 extern const char xen_failsafe_callback[];
35898
35899 -extern void *xen_initial_gdt;
35900 -
35901 struct trap_info;
35902 void xen_copy_trap_info(struct trap_info *traps);
35903
35904 diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h
35905 index 525bd3d..ef888b1 100644
35906 --- a/arch/xtensa/variants/dc232b/include/variant/core.h
35907 +++ b/arch/xtensa/variants/dc232b/include/variant/core.h
35908 @@ -119,9 +119,9 @@
35909 ----------------------------------------------------------------------*/
35910
35911 #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */
35912 -#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */
35913 #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */
35914 #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */
35915 +#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
35916
35917 #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */
35918 #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
35919 diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h
35920 index 2f33760..835e50a 100644
35921 --- a/arch/xtensa/variants/fsf/include/variant/core.h
35922 +++ b/arch/xtensa/variants/fsf/include/variant/core.h
35923 @@ -11,6 +11,7 @@
35924 #ifndef _XTENSA_CORE_H
35925 #define _XTENSA_CORE_H
35926
35927 +#include <linux/const.h>
35928
35929 /****************************************************************************
35930 Parameters Useful for Any Code, USER or PRIVILEGED
35931 @@ -112,9 +113,9 @@
35932 ----------------------------------------------------------------------*/
35933
35934 #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
35935 -#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
35936 #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
35937 #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
35938 +#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
35939
35940 #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */
35941 #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */
35942 diff --git a/arch/xtensa/variants/s6000/include/variant/core.h b/arch/xtensa/variants/s6000/include/variant/core.h
35943 index af00795..2bb8105 100644
35944 --- a/arch/xtensa/variants/s6000/include/variant/core.h
35945 +++ b/arch/xtensa/variants/s6000/include/variant/core.h
35946 @@ -11,6 +11,7 @@
35947 #ifndef _XTENSA_CORE_CONFIGURATION_H
35948 #define _XTENSA_CORE_CONFIGURATION_H
35949
35950 +#include <linux/const.h>
35951
35952 /****************************************************************************
35953 Parameters Useful for Any Code, USER or PRIVILEGED
35954 @@ -118,9 +119,9 @@
35955 ----------------------------------------------------------------------*/
35956
35957 #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */
35958 -#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */
35959 #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */
35960 #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */
35961 +#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */
35962
35963 #define XCHAL_ICACHE_SIZE 32768 /* I-cache size in bytes or 0 */
35964 #define XCHAL_DCACHE_SIZE 32768 /* D-cache size in bytes or 0 */
35965 diff --git a/block/bio.c b/block/bio.c
35966 index 3e6e198..5c65199 100644
35967 --- a/block/bio.c
35968 +++ b/block/bio.c
35969 @@ -1163,7 +1163,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
35970 /*
35971 * Overflow, abort
35972 */
35973 - if (end < start)
35974 + if (end < start || end - start > INT_MAX - nr_pages)
35975 return ERR_PTR(-EINVAL);
35976
35977 nr_pages += end - start;
35978 @@ -1297,7 +1297,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
35979 /*
35980 * Overflow, abort
35981 */
35982 - if (end < start)
35983 + if (end < start || end - start > INT_MAX - nr_pages)
35984 return ERR_PTR(-EINVAL);
35985
35986 nr_pages += end - start;
35987 @@ -1559,7 +1559,7 @@ static void bio_copy_kern_endio(struct bio *bio, int err)
35988 const int read = bio_data_dir(bio) == READ;
35989 struct bio_map_data *bmd = bio->bi_private;
35990 int i;
35991 - char *p = bmd->sgvecs[0].iov_base;
35992 + char *p = (char __force_kernel *)bmd->sgvecs[0].iov_base;
35993
35994 bio_for_each_segment_all(bvec, bio, i) {
35995 char *addr = page_address(bvec->bv_page);
35996 diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c
35997 index 0736729..2ec3b48 100644
35998 --- a/block/blk-iopoll.c
35999 +++ b/block/blk-iopoll.c
36000 @@ -74,7 +74,7 @@ void blk_iopoll_complete(struct blk_iopoll *iop)
36001 }
36002 EXPORT_SYMBOL(blk_iopoll_complete);
36003
36004 -static void blk_iopoll_softirq(struct softirq_action *h)
36005 +static __latent_entropy void blk_iopoll_softirq(void)
36006 {
36007 struct list_head *list = this_cpu_ptr(&blk_cpu_iopoll);
36008 int rearm = 0, budget = blk_iopoll_budget;
36009 diff --git a/block/blk-map.c b/block/blk-map.c
36010 index f890d43..97b0482 100644
36011 --- a/block/blk-map.c
36012 +++ b/block/blk-map.c
36013 @@ -300,7 +300,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
36014 if (!len || !kbuf)
36015 return -EINVAL;
36016
36017 - do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);
36018 + do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf);
36019 if (do_copy)
36020 bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);
36021 else
36022 diff --git a/block/blk-softirq.c b/block/blk-softirq.c
36023 index 53b1737..08177d2e 100644
36024 --- a/block/blk-softirq.c
36025 +++ b/block/blk-softirq.c
36026 @@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
36027 * Softirq action handler - move entries to local list and loop over them
36028 * while passing them to the queue registered handler.
36029 */
36030 -static void blk_done_softirq(struct softirq_action *h)
36031 +static __latent_entropy void blk_done_softirq(void)
36032 {
36033 struct list_head *cpu_list, local_list;
36034
36035 diff --git a/block/bsg.c b/block/bsg.c
36036 index 276e869..6fe4c61 100644
36037 --- a/block/bsg.c
36038 +++ b/block/bsg.c
36039 @@ -176,16 +176,24 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
36040 struct sg_io_v4 *hdr, struct bsg_device *bd,
36041 fmode_t has_write_perm)
36042 {
36043 + unsigned char tmpcmd[sizeof(rq->__cmd)];
36044 + unsigned char *cmdptr;
36045 +
36046 if (hdr->request_len > BLK_MAX_CDB) {
36047 rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL);
36048 if (!rq->cmd)
36049 return -ENOMEM;
36050 - }
36051 + cmdptr = rq->cmd;
36052 + } else
36053 + cmdptr = tmpcmd;
36054
36055 - if (copy_from_user(rq->cmd, (void __user *)(unsigned long)hdr->request,
36056 + if (copy_from_user(cmdptr, (void __user *)(unsigned long)hdr->request,
36057 hdr->request_len))
36058 return -EFAULT;
36059
36060 + if (cmdptr != rq->cmd)
36061 + memcpy(rq->cmd, cmdptr, hdr->request_len);
36062 +
36063 if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) {
36064 if (blk_verify_command(rq->cmd, has_write_perm))
36065 return -EPERM;
36066 diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
36067 index f678c73..f35aa18 100644
36068 --- a/block/compat_ioctl.c
36069 +++ b/block/compat_ioctl.c
36070 @@ -156,7 +156,7 @@ static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode,
36071 cgc = compat_alloc_user_space(sizeof(*cgc));
36072 cgc32 = compat_ptr(arg);
36073
36074 - if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) ||
36075 + if (copy_in_user(cgc->cmd, cgc32->cmd, sizeof(cgc->cmd)) ||
36076 get_user(data, &cgc32->buffer) ||
36077 put_user(compat_ptr(data), &cgc->buffer) ||
36078 copy_in_user(&cgc->buflen, &cgc32->buflen,
36079 @@ -341,7 +341,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode,
36080 err |= __get_user(f->spec1, &uf->spec1);
36081 err |= __get_user(f->fmt_gap, &uf->fmt_gap);
36082 err |= __get_user(name, &uf->name);
36083 - f->name = compat_ptr(name);
36084 + f->name = (void __force_kernel *)compat_ptr(name);
36085 if (err) {
36086 err = -EFAULT;
36087 goto out;
36088 diff --git a/block/genhd.c b/block/genhd.c
36089 index 0a536dc..b8f7aca 100644
36090 --- a/block/genhd.c
36091 +++ b/block/genhd.c
36092 @@ -469,21 +469,24 @@ static char *bdevt_str(dev_t devt, char *buf)
36093
36094 /*
36095 * Register device numbers dev..(dev+range-1)
36096 - * range must be nonzero
36097 + * Noop if @range is zero.
36098 * The hash chain is sorted on range, so that subranges can override.
36099 */
36100 void blk_register_region(dev_t devt, unsigned long range, struct module *module,
36101 struct kobject *(*probe)(dev_t, int *, void *),
36102 int (*lock)(dev_t, void *), void *data)
36103 {
36104 - kobj_map(bdev_map, devt, range, module, probe, lock, data);
36105 + if (range)
36106 + kobj_map(bdev_map, devt, range, module, probe, lock, data);
36107 }
36108
36109 EXPORT_SYMBOL(blk_register_region);
36110
36111 +/* undo blk_register_region(), noop if @range is zero */
36112 void blk_unregister_region(dev_t devt, unsigned long range)
36113 {
36114 - kobj_unmap(bdev_map, devt, range);
36115 + if (range)
36116 + kobj_unmap(bdev_map, devt, range);
36117 }
36118
36119 EXPORT_SYMBOL(blk_unregister_region);
36120 diff --git a/block/partitions/efi.c b/block/partitions/efi.c
36121 index 56d08fd..2e07090 100644
36122 --- a/block/partitions/efi.c
36123 +++ b/block/partitions/efi.c
36124 @@ -293,14 +293,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,
36125 if (!gpt)
36126 return NULL;
36127
36128 + if (!le32_to_cpu(gpt->num_partition_entries))
36129 + return NULL;
36130 + pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL);
36131 + if (!pte)
36132 + return NULL;
36133 +
36134 count = le32_to_cpu(gpt->num_partition_entries) *
36135 le32_to_cpu(gpt->sizeof_partition_entry);
36136 - if (!count)
36137 - return NULL;
36138 - pte = kmalloc(count, GFP_KERNEL);
36139 - if (!pte)
36140 - return NULL;
36141 -
36142 if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba),
36143 (u8 *) pte, count) < count) {
36144 kfree(pte);
36145 diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
36146 index b0c2a61..10bb6ec 100644
36147 --- a/block/scsi_ioctl.c
36148 +++ b/block/scsi_ioctl.c
36149 @@ -67,7 +67,7 @@ static int scsi_get_bus(struct request_queue *q, int __user *p)
36150 return put_user(0, p);
36151 }
36152
36153 -static int sg_get_timeout(struct request_queue *q)
36154 +static int __intentional_overflow(-1) sg_get_timeout(struct request_queue *q)
36155 {
36156 return jiffies_to_clock_t(q->sg_timeout);
36157 }
36158 @@ -227,8 +227,20 @@ EXPORT_SYMBOL(blk_verify_command);
36159 static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
36160 struct sg_io_hdr *hdr, fmode_t mode)
36161 {
36162 - if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
36163 + unsigned char tmpcmd[sizeof(rq->__cmd)];
36164 + unsigned char *cmdptr;
36165 +
36166 + if (rq->cmd != rq->__cmd)
36167 + cmdptr = rq->cmd;
36168 + else
36169 + cmdptr = tmpcmd;
36170 +
36171 + if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len))
36172 return -EFAULT;
36173 +
36174 + if (cmdptr != rq->cmd)
36175 + memcpy(rq->cmd, cmdptr, hdr->cmd_len);
36176 +
36177 if (blk_verify_command(rq->cmd, mode & FMODE_WRITE))
36178 return -EPERM;
36179
36180 @@ -431,6 +443,8 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
36181 int err;
36182 unsigned int in_len, out_len, bytes, opcode, cmdlen;
36183 char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
36184 + unsigned char tmpcmd[sizeof(rq->__cmd)];
36185 + unsigned char *cmdptr;
36186
36187 if (!sic)
36188 return -EINVAL;
36189 @@ -469,9 +483,18 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
36190 */
36191 err = -EFAULT;
36192 rq->cmd_len = cmdlen;
36193 - if (copy_from_user(rq->cmd, sic->data, cmdlen))
36194 +
36195 + if (rq->cmd != rq->__cmd)
36196 + cmdptr = rq->cmd;
36197 + else
36198 + cmdptr = tmpcmd;
36199 +
36200 + if (copy_from_user(cmdptr, sic->data, cmdlen))
36201 goto error;
36202
36203 + if (rq->cmd != cmdptr)
36204 + memcpy(rq->cmd, cmdptr, cmdlen);
36205 +
36206 if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
36207 goto error;
36208
36209 diff --git a/crypto/cryptd.c b/crypto/cryptd.c
36210 index 650afac1..f3307de 100644
36211 --- a/crypto/cryptd.c
36212 +++ b/crypto/cryptd.c
36213 @@ -63,7 +63,7 @@ struct cryptd_blkcipher_ctx {
36214
36215 struct cryptd_blkcipher_request_ctx {
36216 crypto_completion_t complete;
36217 -};
36218 +} __no_const;
36219
36220 struct cryptd_hash_ctx {
36221 struct crypto_shash *child;
36222 @@ -80,7 +80,7 @@ struct cryptd_aead_ctx {
36223
36224 struct cryptd_aead_request_ctx {
36225 crypto_completion_t complete;
36226 -};
36227 +} __no_const;
36228
36229 static void cryptd_queue_worker(struct work_struct *work);
36230
36231 diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
36232 index c305d41..a96de79 100644
36233 --- a/crypto/pcrypt.c
36234 +++ b/crypto/pcrypt.c
36235 @@ -440,7 +440,7 @@ static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name)
36236 int ret;
36237
36238 pinst->kobj.kset = pcrypt_kset;
36239 - ret = kobject_add(&pinst->kobj, NULL, name);
36240 + ret = kobject_add(&pinst->kobj, NULL, "%s", name);
36241 if (!ret)
36242 kobject_uevent(&pinst->kobj, KOBJ_ADD);
36243
36244 diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
36245 index 6921c7f..78e1af7 100644
36246 --- a/drivers/acpi/acpica/hwxfsleep.c
36247 +++ b/drivers/acpi/acpica/hwxfsleep.c
36248 @@ -63,11 +63,12 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id);
36249 /* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */
36250
36251 static struct acpi_sleep_functions acpi_sleep_dispatch[] = {
36252 - {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep),
36253 - acpi_hw_extended_sleep},
36254 - {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep),
36255 - acpi_hw_extended_wake_prep},
36256 - {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), acpi_hw_extended_wake}
36257 + {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep),
36258 + .extended_function = acpi_hw_extended_sleep},
36259 + {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep),
36260 + .extended_function = acpi_hw_extended_wake_prep},
36261 + {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake),
36262 + .extended_function = acpi_hw_extended_wake}
36263 };
36264
36265 /*
36266 diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
36267 index 16129c7..8b675cd 100644
36268 --- a/drivers/acpi/apei/apei-internal.h
36269 +++ b/drivers/acpi/apei/apei-internal.h
36270 @@ -19,7 +19,7 @@ typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
36271 struct apei_exec_ins_type {
36272 u32 flags;
36273 apei_exec_ins_func_t run;
36274 -};
36275 +} __do_const;
36276
36277 struct apei_exec_context {
36278 u32 ip;
36279 diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
36280 index fc5f780..e5ac91a 100644
36281 --- a/drivers/acpi/apei/ghes.c
36282 +++ b/drivers/acpi/apei/ghes.c
36283 @@ -478,7 +478,7 @@ static void __ghes_print_estatus(const char *pfx,
36284 const struct acpi_hest_generic *generic,
36285 const struct acpi_hest_generic_status *estatus)
36286 {
36287 - static atomic_t seqno;
36288 + static atomic_unchecked_t seqno;
36289 unsigned int curr_seqno;
36290 char pfx_seq[64];
36291
36292 @@ -489,7 +489,7 @@ static void __ghes_print_estatus(const char *pfx,
36293 else
36294 pfx = KERN_ERR;
36295 }
36296 - curr_seqno = atomic_inc_return(&seqno);
36297 + curr_seqno = atomic_inc_return_unchecked(&seqno);
36298 snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}" HW_ERR, pfx, curr_seqno);
36299 printk("%s""Hardware error from APEI Generic Hardware Error Source: %d\n",
36300 pfx_seq, generic->header.source_id);
36301 diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
36302 index a83e3c6..c3d617f 100644
36303 --- a/drivers/acpi/bgrt.c
36304 +++ b/drivers/acpi/bgrt.c
36305 @@ -86,8 +86,10 @@ static int __init bgrt_init(void)
36306 if (!bgrt_image)
36307 return -ENODEV;
36308
36309 - bin_attr_image.private = bgrt_image;
36310 - bin_attr_image.size = bgrt_image_size;
36311 + pax_open_kernel();
36312 + *(void **)&bin_attr_image.private = bgrt_image;
36313 + *(size_t *)&bin_attr_image.size = bgrt_image_size;
36314 + pax_close_kernel();
36315
36316 bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj);
36317 if (!bgrt_kobj)
36318 diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
36319 index 7556e7c..89a96bd 100644
36320 --- a/drivers/acpi/blacklist.c
36321 +++ b/drivers/acpi/blacklist.c
36322 @@ -51,7 +51,7 @@ struct acpi_blacklist_item {
36323 u32 is_critical_error;
36324 };
36325
36326 -static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
36327 +static const struct dmi_system_id acpi_osi_dmi_table[] __initconst;
36328
36329 /*
36330 * POLICY: If *anything* doesn't work, put it on the blacklist.
36331 @@ -163,7 +163,7 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
36332 return 0;
36333 }
36334
36335 -static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
36336 +static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = {
36337 {
36338 .callback = dmi_disable_osi_vista,
36339 .ident = "Fujitsu Siemens",
36340 diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
36341 index c68e724..e863008 100644
36342 --- a/drivers/acpi/custom_method.c
36343 +++ b/drivers/acpi/custom_method.c
36344 @@ -29,6 +29,10 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
36345 struct acpi_table_header table;
36346 acpi_status status;
36347
36348 +#ifdef CONFIG_GRKERNSEC_KMEM
36349 + return -EPERM;
36350 +#endif
36351 +
36352 if (!(*ppos)) {
36353 /* parse the table header to get the table length */
36354 if (count <= sizeof(struct acpi_table_header))
36355 diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
36356 index 6341e66..ebcf59c 100644
36357 --- a/drivers/acpi/device_pm.c
36358 +++ b/drivers/acpi/device_pm.c
36359 @@ -1029,6 +1029,8 @@ EXPORT_SYMBOL_GPL(acpi_subsys_freeze);
36360
36361 #endif /* CONFIG_PM_SLEEP */
36362
36363 +static void acpi_dev_pm_detach(struct device *dev, bool power_off);
36364 +
36365 static struct dev_pm_domain acpi_general_pm_domain = {
36366 .ops = {
36367 #ifdef CONFIG_PM_RUNTIME
36368 @@ -1047,6 +1049,7 @@ static struct dev_pm_domain acpi_general_pm_domain = {
36369 .restore_early = acpi_subsys_resume_early,
36370 #endif
36371 },
36372 + .detach = acpi_dev_pm_detach
36373 };
36374
36375 /**
36376 @@ -1116,7 +1119,6 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on)
36377 acpi_device_wakeup(adev, ACPI_STATE_S0, false);
36378 }
36379
36380 - dev->pm_domain->detach = acpi_dev_pm_detach;
36381 return 0;
36382 }
36383 EXPORT_SYMBOL_GPL(acpi_dev_pm_attach);
36384 diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
36385 index 17f9ec5..d9a455e 100644
36386 --- a/drivers/acpi/processor_idle.c
36387 +++ b/drivers/acpi/processor_idle.c
36388 @@ -952,7 +952,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
36389 {
36390 int i, count = CPUIDLE_DRIVER_STATE_START;
36391 struct acpi_processor_cx *cx;
36392 - struct cpuidle_state *state;
36393 + cpuidle_state_no_const *state;
36394 struct cpuidle_driver *drv = &acpi_idle_driver;
36395
36396 if (!pr->flags.power_setup_done)
36397 diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
36398 index 13e577c..cef11ee 100644
36399 --- a/drivers/acpi/sysfs.c
36400 +++ b/drivers/acpi/sysfs.c
36401 @@ -423,11 +423,11 @@ static u32 num_counters;
36402 static struct attribute **all_attrs;
36403 static u32 acpi_gpe_count;
36404
36405 -static struct attribute_group interrupt_stats_attr_group = {
36406 +static attribute_group_no_const interrupt_stats_attr_group = {
36407 .name = "interrupts",
36408 };
36409
36410 -static struct kobj_attribute *counter_attrs;
36411 +static kobj_attribute_no_const *counter_attrs;
36412
36413 static void delete_gpe_attr_array(void)
36414 {
36415 diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
36416 index 97683e4..655f6ba 100644
36417 --- a/drivers/ata/libahci.c
36418 +++ b/drivers/ata/libahci.c
36419 @@ -1252,7 +1252,7 @@ int ahci_kick_engine(struct ata_port *ap)
36420 }
36421 EXPORT_SYMBOL_GPL(ahci_kick_engine);
36422
36423 -static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
36424 +static int __intentional_overflow(-1) ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
36425 struct ata_taskfile *tf, int is_cmd, u16 flags,
36426 unsigned long timeout_msec)
36427 {
36428 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
36429 index 485f7ea..9a8df4a 100644
36430 --- a/drivers/ata/libata-core.c
36431 +++ b/drivers/ata/libata-core.c
36432 @@ -99,7 +99,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
36433 static void ata_dev_xfermask(struct ata_device *dev);
36434 static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
36435
36436 -atomic_t ata_print_id = ATOMIC_INIT(0);
36437 +atomic_unchecked_t ata_print_id = ATOMIC_INIT(0);
36438
36439 struct ata_force_param {
36440 const char *name;
36441 @@ -4800,7 +4800,7 @@ void ata_qc_free(struct ata_queued_cmd *qc)
36442 struct ata_port *ap;
36443 unsigned int tag;
36444
36445 - WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
36446 + BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
36447 ap = qc->ap;
36448
36449 qc->flags = 0;
36450 @@ -4816,7 +4816,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc)
36451 struct ata_port *ap;
36452 struct ata_link *link;
36453
36454 - WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
36455 + BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
36456 WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE));
36457 ap = qc->ap;
36458 link = qc->dev->link;
36459 @@ -5920,6 +5920,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
36460 return;
36461
36462 spin_lock(&lock);
36463 + pax_open_kernel();
36464
36465 for (cur = ops->inherits; cur; cur = cur->inherits) {
36466 void **inherit = (void **)cur;
36467 @@ -5933,8 +5934,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops)
36468 if (IS_ERR(*pp))
36469 *pp = NULL;
36470
36471 - ops->inherits = NULL;
36472 + *(struct ata_port_operations **)&ops->inherits = NULL;
36473
36474 + pax_close_kernel();
36475 spin_unlock(&lock);
36476 }
36477
36478 @@ -6130,7 +6132,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
36479
36480 /* give ports names and add SCSI hosts */
36481 for (i = 0; i < host->n_ports; i++) {
36482 - host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
36483 + host->ports[i]->print_id = atomic_inc_return_unchecked(&ata_print_id);
36484 host->ports[i]->local_port_no = i + 1;
36485 }
36486
36487 diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
36488 index 0586f66..1a8f74a 100644
36489 --- a/drivers/ata/libata-scsi.c
36490 +++ b/drivers/ata/libata-scsi.c
36491 @@ -4151,7 +4151,7 @@ int ata_sas_port_init(struct ata_port *ap)
36492
36493 if (rc)
36494 return rc;
36495 - ap->print_id = atomic_inc_return(&ata_print_id);
36496 + ap->print_id = atomic_inc_return_unchecked(&ata_print_id);
36497 return 0;
36498 }
36499 EXPORT_SYMBOL_GPL(ata_sas_port_init);
36500 diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
36501 index 5f4e0cc..ff2c347 100644
36502 --- a/drivers/ata/libata.h
36503 +++ b/drivers/ata/libata.h
36504 @@ -53,7 +53,7 @@ enum {
36505 ATA_DNXFER_QUIET = (1 << 31),
36506 };
36507
36508 -extern atomic_t ata_print_id;
36509 +extern atomic_unchecked_t ata_print_id;
36510 extern int atapi_passthru16;
36511 extern int libata_fua;
36512 extern int libata_noacpi;
36513 diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
36514 index 38216b9..4ec6aeb 100644
36515 --- a/drivers/ata/pata_arasan_cf.c
36516 +++ b/drivers/ata/pata_arasan_cf.c
36517 @@ -865,7 +865,9 @@ static int arasan_cf_probe(struct platform_device *pdev)
36518 /* Handle platform specific quirks */
36519 if (quirk) {
36520 if (quirk & CF_BROKEN_PIO) {
36521 - ap->ops->set_piomode = NULL;
36522 + pax_open_kernel();
36523 + *(void **)&ap->ops->set_piomode = NULL;
36524 + pax_close_kernel();
36525 ap->pio_mask = 0;
36526 }
36527 if (quirk & CF_BROKEN_MWDMA)
36528 diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
36529 index f9b983a..887b9d8 100644
36530 --- a/drivers/atm/adummy.c
36531 +++ b/drivers/atm/adummy.c
36532 @@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb)
36533 vcc->pop(vcc, skb);
36534 else
36535 dev_kfree_skb_any(skb);
36536 - atomic_inc(&vcc->stats->tx);
36537 + atomic_inc_unchecked(&vcc->stats->tx);
36538
36539 return 0;
36540 }
36541 diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
36542 index f1a9198..f466a4a 100644
36543 --- a/drivers/atm/ambassador.c
36544 +++ b/drivers/atm/ambassador.c
36545 @@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) {
36546 PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx);
36547
36548 // VC layer stats
36549 - atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
36550 + atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
36551
36552 // free the descriptor
36553 kfree (tx_descr);
36554 @@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
36555 dump_skb ("<<<", vc, skb);
36556
36557 // VC layer stats
36558 - atomic_inc(&atm_vcc->stats->rx);
36559 + atomic_inc_unchecked(&atm_vcc->stats->rx);
36560 __net_timestamp(skb);
36561 // end of our responsibility
36562 atm_vcc->push (atm_vcc, skb);
36563 @@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
36564 } else {
36565 PRINTK (KERN_INFO, "dropped over-size frame");
36566 // should we count this?
36567 - atomic_inc(&atm_vcc->stats->rx_drop);
36568 + atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
36569 }
36570
36571 } else {
36572 @@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) {
36573 }
36574
36575 if (check_area (skb->data, skb->len)) {
36576 - atomic_inc(&atm_vcc->stats->tx_err);
36577 + atomic_inc_unchecked(&atm_vcc->stats->tx_err);
36578 return -ENOMEM; // ?
36579 }
36580
36581 diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
36582 index 480fa6f..947067c 100644
36583 --- a/drivers/atm/atmtcp.c
36584 +++ b/drivers/atm/atmtcp.c
36585 @@ -206,7 +206,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
36586 if (vcc->pop) vcc->pop(vcc,skb);
36587 else dev_kfree_skb(skb);
36588 if (dev_data) return 0;
36589 - atomic_inc(&vcc->stats->tx_err);
36590 + atomic_inc_unchecked(&vcc->stats->tx_err);
36591 return -ENOLINK;
36592 }
36593 size = skb->len+sizeof(struct atmtcp_hdr);
36594 @@ -214,7 +214,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
36595 if (!new_skb) {
36596 if (vcc->pop) vcc->pop(vcc,skb);
36597 else dev_kfree_skb(skb);
36598 - atomic_inc(&vcc->stats->tx_err);
36599 + atomic_inc_unchecked(&vcc->stats->tx_err);
36600 return -ENOBUFS;
36601 }
36602 hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr));
36603 @@ -225,8 +225,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb)
36604 if (vcc->pop) vcc->pop(vcc,skb);
36605 else dev_kfree_skb(skb);
36606 out_vcc->push(out_vcc,new_skb);
36607 - atomic_inc(&vcc->stats->tx);
36608 - atomic_inc(&out_vcc->stats->rx);
36609 + atomic_inc_unchecked(&vcc->stats->tx);
36610 + atomic_inc_unchecked(&out_vcc->stats->rx);
36611 return 0;
36612 }
36613
36614 @@ -300,7 +300,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
36615 read_unlock(&vcc_sklist_lock);
36616 if (!out_vcc) {
36617 result = -EUNATCH;
36618 - atomic_inc(&vcc->stats->tx_err);
36619 + atomic_inc_unchecked(&vcc->stats->tx_err);
36620 goto done;
36621 }
36622 skb_pull(skb,sizeof(struct atmtcp_hdr));
36623 @@ -312,8 +312,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
36624 __net_timestamp(new_skb);
36625 skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len);
36626 out_vcc->push(out_vcc,new_skb);
36627 - atomic_inc(&vcc->stats->tx);
36628 - atomic_inc(&out_vcc->stats->rx);
36629 + atomic_inc_unchecked(&vcc->stats->tx);
36630 + atomic_inc_unchecked(&out_vcc->stats->rx);
36631 done:
36632 if (vcc->pop) vcc->pop(vcc,skb);
36633 else dev_kfree_skb(skb);
36634 diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
36635 index d65975a..0b87e20 100644
36636 --- a/drivers/atm/eni.c
36637 +++ b/drivers/atm/eni.c
36638 @@ -522,7 +522,7 @@ static int rx_aal0(struct atm_vcc *vcc)
36639 DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n",
36640 vcc->dev->number);
36641 length = 0;
36642 - atomic_inc(&vcc->stats->rx_err);
36643 + atomic_inc_unchecked(&vcc->stats->rx_err);
36644 }
36645 else {
36646 length = ATM_CELL_SIZE-1; /* no HEC */
36647 @@ -577,7 +577,7 @@ static int rx_aal5(struct atm_vcc *vcc)
36648 size);
36649 }
36650 eff = length = 0;
36651 - atomic_inc(&vcc->stats->rx_err);
36652 + atomic_inc_unchecked(&vcc->stats->rx_err);
36653 }
36654 else {
36655 size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2);
36656 @@ -594,7 +594,7 @@ static int rx_aal5(struct atm_vcc *vcc)
36657 "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n",
36658 vcc->dev->number,vcc->vci,length,size << 2,descr);
36659 length = eff = 0;
36660 - atomic_inc(&vcc->stats->rx_err);
36661 + atomic_inc_unchecked(&vcc->stats->rx_err);
36662 }
36663 }
36664 skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL;
36665 @@ -767,7 +767,7 @@ rx_dequeued++;
36666 vcc->push(vcc,skb);
36667 pushed++;
36668 }
36669 - atomic_inc(&vcc->stats->rx);
36670 + atomic_inc_unchecked(&vcc->stats->rx);
36671 }
36672 wake_up(&eni_dev->rx_wait);
36673 }
36674 @@ -1227,7 +1227,7 @@ static void dequeue_tx(struct atm_dev *dev)
36675 PCI_DMA_TODEVICE);
36676 if (vcc->pop) vcc->pop(vcc,skb);
36677 else dev_kfree_skb_irq(skb);
36678 - atomic_inc(&vcc->stats->tx);
36679 + atomic_inc_unchecked(&vcc->stats->tx);
36680 wake_up(&eni_dev->tx_wait);
36681 dma_complete++;
36682 }
36683 diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
36684 index 82f2ae0..f205c02 100644
36685 --- a/drivers/atm/firestream.c
36686 +++ b/drivers/atm/firestream.c
36687 @@ -749,7 +749,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q)
36688 }
36689 }
36690
36691 - atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
36692 + atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
36693
36694 fs_dprintk (FS_DEBUG_TXMEM, "i");
36695 fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb);
36696 @@ -816,7 +816,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
36697 #endif
36698 skb_put (skb, qe->p1 & 0xffff);
36699 ATM_SKB(skb)->vcc = atm_vcc;
36700 - atomic_inc(&atm_vcc->stats->rx);
36701 + atomic_inc_unchecked(&atm_vcc->stats->rx);
36702 __net_timestamp(skb);
36703 fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb);
36704 atm_vcc->push (atm_vcc, skb);
36705 @@ -837,12 +837,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
36706 kfree (pe);
36707 }
36708 if (atm_vcc)
36709 - atomic_inc(&atm_vcc->stats->rx_drop);
36710 + atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
36711 break;
36712 case 0x1f: /* Reassembly abort: no buffers. */
36713 /* Silently increment error counter. */
36714 if (atm_vcc)
36715 - atomic_inc(&atm_vcc->stats->rx_drop);
36716 + atomic_inc_unchecked(&atm_vcc->stats->rx_drop);
36717 break;
36718 default: /* Hmm. Haven't written the code to handle the others yet... -- REW */
36719 printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n",
36720 diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
36721 index d4725fc..2d4ea65 100644
36722 --- a/drivers/atm/fore200e.c
36723 +++ b/drivers/atm/fore200e.c
36724 @@ -931,9 +931,9 @@ fore200e_tx_irq(struct fore200e* fore200e)
36725 #endif
36726 /* check error condition */
36727 if (*entry->status & STATUS_ERROR)
36728 - atomic_inc(&vcc->stats->tx_err);
36729 + atomic_inc_unchecked(&vcc->stats->tx_err);
36730 else
36731 - atomic_inc(&vcc->stats->tx);
36732 + atomic_inc_unchecked(&vcc->stats->tx);
36733 }
36734 }
36735
36736 @@ -1082,7 +1082,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
36737 if (skb == NULL) {
36738 DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len);
36739
36740 - atomic_inc(&vcc->stats->rx_drop);
36741 + atomic_inc_unchecked(&vcc->stats->rx_drop);
36742 return -ENOMEM;
36743 }
36744
36745 @@ -1125,14 +1125,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
36746
36747 dev_kfree_skb_any(skb);
36748
36749 - atomic_inc(&vcc->stats->rx_drop);
36750 + atomic_inc_unchecked(&vcc->stats->rx_drop);
36751 return -ENOMEM;
36752 }
36753
36754 ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
36755
36756 vcc->push(vcc, skb);
36757 - atomic_inc(&vcc->stats->rx);
36758 + atomic_inc_unchecked(&vcc->stats->rx);
36759
36760 ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0);
36761
36762 @@ -1210,7 +1210,7 @@ fore200e_rx_irq(struct fore200e* fore200e)
36763 DPRINTK(2, "damaged PDU on %d.%d.%d\n",
36764 fore200e->atm_dev->number,
36765 entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci);
36766 - atomic_inc(&vcc->stats->rx_err);
36767 + atomic_inc_unchecked(&vcc->stats->rx_err);
36768 }
36769 }
36770
36771 @@ -1655,7 +1655,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb)
36772 goto retry_here;
36773 }
36774
36775 - atomic_inc(&vcc->stats->tx_err);
36776 + atomic_inc_unchecked(&vcc->stats->tx_err);
36777
36778 fore200e->tx_sat++;
36779 DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n",
36780 diff --git a/drivers/atm/he.c b/drivers/atm/he.c
36781 index c39702b..785b73b 100644
36782 --- a/drivers/atm/he.c
36783 +++ b/drivers/atm/he.c
36784 @@ -1689,7 +1689,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
36785
36786 if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) {
36787 hprintk("HBUF_ERR! (cid 0x%x)\n", cid);
36788 - atomic_inc(&vcc->stats->rx_drop);
36789 + atomic_inc_unchecked(&vcc->stats->rx_drop);
36790 goto return_host_buffers;
36791 }
36792
36793 @@ -1716,7 +1716,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
36794 RBRQ_LEN_ERR(he_dev->rbrq_head)
36795 ? "LEN_ERR" : "",
36796 vcc->vpi, vcc->vci);
36797 - atomic_inc(&vcc->stats->rx_err);
36798 + atomic_inc_unchecked(&vcc->stats->rx_err);
36799 goto return_host_buffers;
36800 }
36801
36802 @@ -1768,7 +1768,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
36803 vcc->push(vcc, skb);
36804 spin_lock(&he_dev->global_lock);
36805
36806 - atomic_inc(&vcc->stats->rx);
36807 + atomic_inc_unchecked(&vcc->stats->rx);
36808
36809 return_host_buffers:
36810 ++pdus_assembled;
36811 @@ -2094,7 +2094,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid)
36812 tpd->vcc->pop(tpd->vcc, tpd->skb);
36813 else
36814 dev_kfree_skb_any(tpd->skb);
36815 - atomic_inc(&tpd->vcc->stats->tx_err);
36816 + atomic_inc_unchecked(&tpd->vcc->stats->tx_err);
36817 }
36818 pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
36819 return;
36820 @@ -2506,7 +2506,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
36821 vcc->pop(vcc, skb);
36822 else
36823 dev_kfree_skb_any(skb);
36824 - atomic_inc(&vcc->stats->tx_err);
36825 + atomic_inc_unchecked(&vcc->stats->tx_err);
36826 return -EINVAL;
36827 }
36828
36829 @@ -2517,7 +2517,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
36830 vcc->pop(vcc, skb);
36831 else
36832 dev_kfree_skb_any(skb);
36833 - atomic_inc(&vcc->stats->tx_err);
36834 + atomic_inc_unchecked(&vcc->stats->tx_err);
36835 return -EINVAL;
36836 }
36837 #endif
36838 @@ -2529,7 +2529,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
36839 vcc->pop(vcc, skb);
36840 else
36841 dev_kfree_skb_any(skb);
36842 - atomic_inc(&vcc->stats->tx_err);
36843 + atomic_inc_unchecked(&vcc->stats->tx_err);
36844 spin_unlock_irqrestore(&he_dev->global_lock, flags);
36845 return -ENOMEM;
36846 }
36847 @@ -2571,7 +2571,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
36848 vcc->pop(vcc, skb);
36849 else
36850 dev_kfree_skb_any(skb);
36851 - atomic_inc(&vcc->stats->tx_err);
36852 + atomic_inc_unchecked(&vcc->stats->tx_err);
36853 spin_unlock_irqrestore(&he_dev->global_lock, flags);
36854 return -ENOMEM;
36855 }
36856 @@ -2602,7 +2602,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb)
36857 __enqueue_tpd(he_dev, tpd, cid);
36858 spin_unlock_irqrestore(&he_dev->global_lock, flags);
36859
36860 - atomic_inc(&vcc->stats->tx);
36861 + atomic_inc_unchecked(&vcc->stats->tx);
36862
36863 return 0;
36864 }
36865 diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
36866 index 1dc0519..1aadaf7 100644
36867 --- a/drivers/atm/horizon.c
36868 +++ b/drivers/atm/horizon.c
36869 @@ -1034,7 +1034,7 @@ static void rx_schedule (hrz_dev * dev, int irq) {
36870 {
36871 struct atm_vcc * vcc = ATM_SKB(skb)->vcc;
36872 // VC layer stats
36873 - atomic_inc(&vcc->stats->rx);
36874 + atomic_inc_unchecked(&vcc->stats->rx);
36875 __net_timestamp(skb);
36876 // end of our responsibility
36877 vcc->push (vcc, skb);
36878 @@ -1186,7 +1186,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) {
36879 dev->tx_iovec = NULL;
36880
36881 // VC layer stats
36882 - atomic_inc(&ATM_SKB(skb)->vcc->stats->tx);
36883 + atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx);
36884
36885 // free the skb
36886 hrz_kfree_skb (skb);
36887 diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
36888 index 2b24ed0..b3d6acc 100644
36889 --- a/drivers/atm/idt77252.c
36890 +++ b/drivers/atm/idt77252.c
36891 @@ -810,7 +810,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc)
36892 else
36893 dev_kfree_skb(skb);
36894
36895 - atomic_inc(&vcc->stats->tx);
36896 + atomic_inc_unchecked(&vcc->stats->tx);
36897 }
36898
36899 atomic_dec(&scq->used);
36900 @@ -1072,13 +1072,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36901 if ((sb = dev_alloc_skb(64)) == NULL) {
36902 printk("%s: Can't allocate buffers for aal0.\n",
36903 card->name);
36904 - atomic_add(i, &vcc->stats->rx_drop);
36905 + atomic_add_unchecked(i, &vcc->stats->rx_drop);
36906 break;
36907 }
36908 if (!atm_charge(vcc, sb->truesize)) {
36909 RXPRINTK("%s: atm_charge() dropped aal0 packets.\n",
36910 card->name);
36911 - atomic_add(i - 1, &vcc->stats->rx_drop);
36912 + atomic_add_unchecked(i - 1, &vcc->stats->rx_drop);
36913 dev_kfree_skb(sb);
36914 break;
36915 }
36916 @@ -1095,7 +1095,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36917 ATM_SKB(sb)->vcc = vcc;
36918 __net_timestamp(sb);
36919 vcc->push(vcc, sb);
36920 - atomic_inc(&vcc->stats->rx);
36921 + atomic_inc_unchecked(&vcc->stats->rx);
36922
36923 cell += ATM_CELL_PAYLOAD;
36924 }
36925 @@ -1132,13 +1132,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36926 "(CDC: %08x)\n",
36927 card->name, len, rpp->len, readl(SAR_REG_CDC));
36928 recycle_rx_pool_skb(card, rpp);
36929 - atomic_inc(&vcc->stats->rx_err);
36930 + atomic_inc_unchecked(&vcc->stats->rx_err);
36931 return;
36932 }
36933 if (stat & SAR_RSQE_CRC) {
36934 RXPRINTK("%s: AAL5 CRC error.\n", card->name);
36935 recycle_rx_pool_skb(card, rpp);
36936 - atomic_inc(&vcc->stats->rx_err);
36937 + atomic_inc_unchecked(&vcc->stats->rx_err);
36938 return;
36939 }
36940 if (skb_queue_len(&rpp->queue) > 1) {
36941 @@ -1149,7 +1149,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36942 RXPRINTK("%s: Can't alloc RX skb.\n",
36943 card->name);
36944 recycle_rx_pool_skb(card, rpp);
36945 - atomic_inc(&vcc->stats->rx_err);
36946 + atomic_inc_unchecked(&vcc->stats->rx_err);
36947 return;
36948 }
36949 if (!atm_charge(vcc, skb->truesize)) {
36950 @@ -1168,7 +1168,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36951 __net_timestamp(skb);
36952
36953 vcc->push(vcc, skb);
36954 - atomic_inc(&vcc->stats->rx);
36955 + atomic_inc_unchecked(&vcc->stats->rx);
36956
36957 return;
36958 }
36959 @@ -1190,7 +1190,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
36960 __net_timestamp(skb);
36961
36962 vcc->push(vcc, skb);
36963 - atomic_inc(&vcc->stats->rx);
36964 + atomic_inc_unchecked(&vcc->stats->rx);
36965
36966 if (skb->truesize > SAR_FB_SIZE_3)
36967 add_rx_skb(card, 3, SAR_FB_SIZE_3, 1);
36968 @@ -1301,14 +1301,14 @@ idt77252_rx_raw(struct idt77252_dev *card)
36969 if (vcc->qos.aal != ATM_AAL0) {
36970 RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n",
36971 card->name, vpi, vci);
36972 - atomic_inc(&vcc->stats->rx_drop);
36973 + atomic_inc_unchecked(&vcc->stats->rx_drop);
36974 goto drop;
36975 }
36976
36977 if ((sb = dev_alloc_skb(64)) == NULL) {
36978 printk("%s: Can't allocate buffers for AAL0.\n",
36979 card->name);
36980 - atomic_inc(&vcc->stats->rx_err);
36981 + atomic_inc_unchecked(&vcc->stats->rx_err);
36982 goto drop;
36983 }
36984
36985 @@ -1327,7 +1327,7 @@ idt77252_rx_raw(struct idt77252_dev *card)
36986 ATM_SKB(sb)->vcc = vcc;
36987 __net_timestamp(sb);
36988 vcc->push(vcc, sb);
36989 - atomic_inc(&vcc->stats->rx);
36990 + atomic_inc_unchecked(&vcc->stats->rx);
36991
36992 drop:
36993 skb_pull(queue, 64);
36994 @@ -1952,13 +1952,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
36995
36996 if (vc == NULL) {
36997 printk("%s: NULL connection in send().\n", card->name);
36998 - atomic_inc(&vcc->stats->tx_err);
36999 + atomic_inc_unchecked(&vcc->stats->tx_err);
37000 dev_kfree_skb(skb);
37001 return -EINVAL;
37002 }
37003 if (!test_bit(VCF_TX, &vc->flags)) {
37004 printk("%s: Trying to transmit on a non-tx VC.\n", card->name);
37005 - atomic_inc(&vcc->stats->tx_err);
37006 + atomic_inc_unchecked(&vcc->stats->tx_err);
37007 dev_kfree_skb(skb);
37008 return -EINVAL;
37009 }
37010 @@ -1970,14 +1970,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
37011 break;
37012 default:
37013 printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal);
37014 - atomic_inc(&vcc->stats->tx_err);
37015 + atomic_inc_unchecked(&vcc->stats->tx_err);
37016 dev_kfree_skb(skb);
37017 return -EINVAL;
37018 }
37019
37020 if (skb_shinfo(skb)->nr_frags != 0) {
37021 printk("%s: No scatter-gather yet.\n", card->name);
37022 - atomic_inc(&vcc->stats->tx_err);
37023 + atomic_inc_unchecked(&vcc->stats->tx_err);
37024 dev_kfree_skb(skb);
37025 return -EINVAL;
37026 }
37027 @@ -1985,7 +1985,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam)
37028
37029 err = queue_skb(card, vc, skb, oam);
37030 if (err) {
37031 - atomic_inc(&vcc->stats->tx_err);
37032 + atomic_inc_unchecked(&vcc->stats->tx_err);
37033 dev_kfree_skb(skb);
37034 return err;
37035 }
37036 @@ -2008,7 +2008,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags)
37037 skb = dev_alloc_skb(64);
37038 if (!skb) {
37039 printk("%s: Out of memory in send_oam().\n", card->name);
37040 - atomic_inc(&vcc->stats->tx_err);
37041 + atomic_inc_unchecked(&vcc->stats->tx_err);
37042 return -ENOMEM;
37043 }
37044 atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
37045 diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
37046 index 4217f29..88f547a 100644
37047 --- a/drivers/atm/iphase.c
37048 +++ b/drivers/atm/iphase.c
37049 @@ -1145,7 +1145,7 @@ static int rx_pkt(struct atm_dev *dev)
37050 status = (u_short) (buf_desc_ptr->desc_mode);
37051 if (status & (RX_CER | RX_PTE | RX_OFL))
37052 {
37053 - atomic_inc(&vcc->stats->rx_err);
37054 + atomic_inc_unchecked(&vcc->stats->rx_err);
37055 IF_ERR(printk("IA: bad packet, dropping it");)
37056 if (status & RX_CER) {
37057 IF_ERR(printk(" cause: packet CRC error\n");)
37058 @@ -1168,7 +1168,7 @@ static int rx_pkt(struct atm_dev *dev)
37059 len = dma_addr - buf_addr;
37060 if (len > iadev->rx_buf_sz) {
37061 printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz);
37062 - atomic_inc(&vcc->stats->rx_err);
37063 + atomic_inc_unchecked(&vcc->stats->rx_err);
37064 goto out_free_desc;
37065 }
37066
37067 @@ -1318,7 +1318,7 @@ static void rx_dle_intr(struct atm_dev *dev)
37068 ia_vcc = INPH_IA_VCC(vcc);
37069 if (ia_vcc == NULL)
37070 {
37071 - atomic_inc(&vcc->stats->rx_err);
37072 + atomic_inc_unchecked(&vcc->stats->rx_err);
37073 atm_return(vcc, skb->truesize);
37074 dev_kfree_skb_any(skb);
37075 goto INCR_DLE;
37076 @@ -1330,7 +1330,7 @@ static void rx_dle_intr(struct atm_dev *dev)
37077 if ((length > iadev->rx_buf_sz) || (length >
37078 (skb->len - sizeof(struct cpcs_trailer))))
37079 {
37080 - atomic_inc(&vcc->stats->rx_err);
37081 + atomic_inc_unchecked(&vcc->stats->rx_err);
37082 IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)",
37083 length, skb->len);)
37084 atm_return(vcc, skb->truesize);
37085 @@ -1346,7 +1346,7 @@ static void rx_dle_intr(struct atm_dev *dev)
37086
37087 IF_RX(printk("rx_dle_intr: skb push");)
37088 vcc->push(vcc,skb);
37089 - atomic_inc(&vcc->stats->rx);
37090 + atomic_inc_unchecked(&vcc->stats->rx);
37091 iadev->rx_pkt_cnt++;
37092 }
37093 INCR_DLE:
37094 @@ -2826,15 +2826,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
37095 {
37096 struct k_sonet_stats *stats;
37097 stats = &PRIV(_ia_dev[board])->sonet_stats;
37098 - printk("section_bip: %d\n", atomic_read(&stats->section_bip));
37099 - printk("line_bip : %d\n", atomic_read(&stats->line_bip));
37100 - printk("path_bip : %d\n", atomic_read(&stats->path_bip));
37101 - printk("line_febe : %d\n", atomic_read(&stats->line_febe));
37102 - printk("path_febe : %d\n", atomic_read(&stats->path_febe));
37103 - printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs));
37104 - printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs));
37105 - printk("tx_cells : %d\n", atomic_read(&stats->tx_cells));
37106 - printk("rx_cells : %d\n", atomic_read(&stats->rx_cells));
37107 + printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip));
37108 + printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip));
37109 + printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip));
37110 + printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe));
37111 + printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe));
37112 + printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs));
37113 + printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs));
37114 + printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells));
37115 + printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells));
37116 }
37117 ia_cmds.status = 0;
37118 break;
37119 @@ -2939,7 +2939,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
37120 if ((desc == 0) || (desc > iadev->num_tx_desc))
37121 {
37122 IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);)
37123 - atomic_inc(&vcc->stats->tx);
37124 + atomic_inc_unchecked(&vcc->stats->tx);
37125 if (vcc->pop)
37126 vcc->pop(vcc, skb);
37127 else
37128 @@ -3044,14 +3044,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
37129 ATM_DESC(skb) = vcc->vci;
37130 skb_queue_tail(&iadev->tx_dma_q, skb);
37131
37132 - atomic_inc(&vcc->stats->tx);
37133 + atomic_inc_unchecked(&vcc->stats->tx);
37134 iadev->tx_pkt_cnt++;
37135 /* Increment transaction counter */
37136 writel(2, iadev->dma+IPHASE5575_TX_COUNTER);
37137
37138 #if 0
37139 /* add flow control logic */
37140 - if (atomic_read(&vcc->stats->tx) % 20 == 0) {
37141 + if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) {
37142 if (iavcc->vc_desc_cnt > 10) {
37143 vcc->tx_quota = vcc->tx_quota * 3 / 4;
37144 printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota );
37145 diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
37146 index 93eaf8d..b4ca7da 100644
37147 --- a/drivers/atm/lanai.c
37148 +++ b/drivers/atm/lanai.c
37149 @@ -1303,7 +1303,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai,
37150 vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0);
37151 lanai_endtx(lanai, lvcc);
37152 lanai_free_skb(lvcc->tx.atmvcc, skb);
37153 - atomic_inc(&lvcc->tx.atmvcc->stats->tx);
37154 + atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx);
37155 }
37156
37157 /* Try to fill the buffer - don't call unless there is backlog */
37158 @@ -1426,7 +1426,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr)
37159 ATM_SKB(skb)->vcc = lvcc->rx.atmvcc;
37160 __net_timestamp(skb);
37161 lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb);
37162 - atomic_inc(&lvcc->rx.atmvcc->stats->rx);
37163 + atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx);
37164 out:
37165 lvcc->rx.buf.ptr = end;
37166 cardvcc_write(lvcc, endptr, vcc_rxreadptr);
37167 @@ -1667,7 +1667,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
37168 DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 "
37169 "vcc %d\n", lanai->number, (unsigned int) s, vci);
37170 lanai->stats.service_rxnotaal5++;
37171 - atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
37172 + atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
37173 return 0;
37174 }
37175 if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) {
37176 @@ -1679,7 +1679,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
37177 int bytes;
37178 read_unlock(&vcc_sklist_lock);
37179 DPRINTK("got trashed rx pdu on vci %d\n", vci);
37180 - atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
37181 + atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
37182 lvcc->stats.x.aal5.service_trash++;
37183 bytes = (SERVICE_GET_END(s) * 16) -
37184 (((unsigned long) lvcc->rx.buf.ptr) -
37185 @@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
37186 }
37187 if (s & SERVICE_STREAM) {
37188 read_unlock(&vcc_sklist_lock);
37189 - atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
37190 + atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
37191 lvcc->stats.x.aal5.service_stream++;
37192 printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream "
37193 "PDU on VCI %d!\n", lanai->number, vci);
37194 @@ -1699,7 +1699,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s)
37195 return 0;
37196 }
37197 DPRINTK("got rx crc error on vci %d\n", vci);
37198 - atomic_inc(&lvcc->rx.atmvcc->stats->rx_err);
37199 + atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err);
37200 lvcc->stats.x.aal5.service_rxcrc++;
37201 lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4];
37202 cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr);
37203 diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
37204 index 9988ac9..7c52585 100644
37205 --- a/drivers/atm/nicstar.c
37206 +++ b/drivers/atm/nicstar.c
37207 @@ -1640,7 +1640,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
37208 if ((vc = (vc_map *) vcc->dev_data) == NULL) {
37209 printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n",
37210 card->index);
37211 - atomic_inc(&vcc->stats->tx_err);
37212 + atomic_inc_unchecked(&vcc->stats->tx_err);
37213 dev_kfree_skb_any(skb);
37214 return -EINVAL;
37215 }
37216 @@ -1648,7 +1648,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
37217 if (!vc->tx) {
37218 printk("nicstar%d: Trying to transmit on a non-tx VC.\n",
37219 card->index);
37220 - atomic_inc(&vcc->stats->tx_err);
37221 + atomic_inc_unchecked(&vcc->stats->tx_err);
37222 dev_kfree_skb_any(skb);
37223 return -EINVAL;
37224 }
37225 @@ -1656,14 +1656,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
37226 if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) {
37227 printk("nicstar%d: Only AAL0 and AAL5 are supported.\n",
37228 card->index);
37229 - atomic_inc(&vcc->stats->tx_err);
37230 + atomic_inc_unchecked(&vcc->stats->tx_err);
37231 dev_kfree_skb_any(skb);
37232 return -EINVAL;
37233 }
37234
37235 if (skb_shinfo(skb)->nr_frags != 0) {
37236 printk("nicstar%d: No scatter-gather yet.\n", card->index);
37237 - atomic_inc(&vcc->stats->tx_err);
37238 + atomic_inc_unchecked(&vcc->stats->tx_err);
37239 dev_kfree_skb_any(skb);
37240 return -EINVAL;
37241 }
37242 @@ -1711,11 +1711,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb)
37243 }
37244
37245 if (push_scqe(card, vc, scq, &scqe, skb) != 0) {
37246 - atomic_inc(&vcc->stats->tx_err);
37247 + atomic_inc_unchecked(&vcc->stats->tx_err);
37248 dev_kfree_skb_any(skb);
37249 return -EIO;
37250 }
37251 - atomic_inc(&vcc->stats->tx);
37252 + atomic_inc_unchecked(&vcc->stats->tx);
37253
37254 return 0;
37255 }
37256 @@ -2032,14 +2032,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37257 printk
37258 ("nicstar%d: Can't allocate buffers for aal0.\n",
37259 card->index);
37260 - atomic_add(i, &vcc->stats->rx_drop);
37261 + atomic_add_unchecked(i, &vcc->stats->rx_drop);
37262 break;
37263 }
37264 if (!atm_charge(vcc, sb->truesize)) {
37265 RXPRINTK
37266 ("nicstar%d: atm_charge() dropped aal0 packets.\n",
37267 card->index);
37268 - atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
37269 + atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */
37270 dev_kfree_skb_any(sb);
37271 break;
37272 }
37273 @@ -2054,7 +2054,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37274 ATM_SKB(sb)->vcc = vcc;
37275 __net_timestamp(sb);
37276 vcc->push(vcc, sb);
37277 - atomic_inc(&vcc->stats->rx);
37278 + atomic_inc_unchecked(&vcc->stats->rx);
37279 cell += ATM_CELL_PAYLOAD;
37280 }
37281
37282 @@ -2071,7 +2071,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37283 if (iovb == NULL) {
37284 printk("nicstar%d: Out of iovec buffers.\n",
37285 card->index);
37286 - atomic_inc(&vcc->stats->rx_drop);
37287 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37288 recycle_rx_buf(card, skb);
37289 return;
37290 }
37291 @@ -2095,7 +2095,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37292 small or large buffer itself. */
37293 } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) {
37294 printk("nicstar%d: received too big AAL5 SDU.\n", card->index);
37295 - atomic_inc(&vcc->stats->rx_err);
37296 + atomic_inc_unchecked(&vcc->stats->rx_err);
37297 recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
37298 NS_MAX_IOVECS);
37299 NS_PRV_IOVCNT(iovb) = 0;
37300 @@ -2115,7 +2115,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37301 ("nicstar%d: Expected a small buffer, and this is not one.\n",
37302 card->index);
37303 which_list(card, skb);
37304 - atomic_inc(&vcc->stats->rx_err);
37305 + atomic_inc_unchecked(&vcc->stats->rx_err);
37306 recycle_rx_buf(card, skb);
37307 vc->rx_iov = NULL;
37308 recycle_iov_buf(card, iovb);
37309 @@ -2128,7 +2128,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37310 ("nicstar%d: Expected a large buffer, and this is not one.\n",
37311 card->index);
37312 which_list(card, skb);
37313 - atomic_inc(&vcc->stats->rx_err);
37314 + atomic_inc_unchecked(&vcc->stats->rx_err);
37315 recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
37316 NS_PRV_IOVCNT(iovb));
37317 vc->rx_iov = NULL;
37318 @@ -2151,7 +2151,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37319 printk(" - PDU size mismatch.\n");
37320 else
37321 printk(".\n");
37322 - atomic_inc(&vcc->stats->rx_err);
37323 + atomic_inc_unchecked(&vcc->stats->rx_err);
37324 recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data,
37325 NS_PRV_IOVCNT(iovb));
37326 vc->rx_iov = NULL;
37327 @@ -2165,7 +2165,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37328 /* skb points to a small buffer */
37329 if (!atm_charge(vcc, skb->truesize)) {
37330 push_rxbufs(card, skb);
37331 - atomic_inc(&vcc->stats->rx_drop);
37332 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37333 } else {
37334 skb_put(skb, len);
37335 dequeue_sm_buf(card, skb);
37336 @@ -2175,7 +2175,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37337 ATM_SKB(skb)->vcc = vcc;
37338 __net_timestamp(skb);
37339 vcc->push(vcc, skb);
37340 - atomic_inc(&vcc->stats->rx);
37341 + atomic_inc_unchecked(&vcc->stats->rx);
37342 }
37343 } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */
37344 struct sk_buff *sb;
37345 @@ -2186,7 +2186,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37346 if (len <= NS_SMBUFSIZE) {
37347 if (!atm_charge(vcc, sb->truesize)) {
37348 push_rxbufs(card, sb);
37349 - atomic_inc(&vcc->stats->rx_drop);
37350 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37351 } else {
37352 skb_put(sb, len);
37353 dequeue_sm_buf(card, sb);
37354 @@ -2196,7 +2196,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37355 ATM_SKB(sb)->vcc = vcc;
37356 __net_timestamp(sb);
37357 vcc->push(vcc, sb);
37358 - atomic_inc(&vcc->stats->rx);
37359 + atomic_inc_unchecked(&vcc->stats->rx);
37360 }
37361
37362 push_rxbufs(card, skb);
37363 @@ -2205,7 +2205,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37364
37365 if (!atm_charge(vcc, skb->truesize)) {
37366 push_rxbufs(card, skb);
37367 - atomic_inc(&vcc->stats->rx_drop);
37368 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37369 } else {
37370 dequeue_lg_buf(card, skb);
37371 #ifdef NS_USE_DESTRUCTORS
37372 @@ -2218,7 +2218,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37373 ATM_SKB(skb)->vcc = vcc;
37374 __net_timestamp(skb);
37375 vcc->push(vcc, skb);
37376 - atomic_inc(&vcc->stats->rx);
37377 + atomic_inc_unchecked(&vcc->stats->rx);
37378 }
37379
37380 push_rxbufs(card, sb);
37381 @@ -2239,7 +2239,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37382 printk
37383 ("nicstar%d: Out of huge buffers.\n",
37384 card->index);
37385 - atomic_inc(&vcc->stats->rx_drop);
37386 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37387 recycle_iovec_rx_bufs(card,
37388 (struct iovec *)
37389 iovb->data,
37390 @@ -2290,7 +2290,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37391 card->hbpool.count++;
37392 } else
37393 dev_kfree_skb_any(hb);
37394 - atomic_inc(&vcc->stats->rx_drop);
37395 + atomic_inc_unchecked(&vcc->stats->rx_drop);
37396 } else {
37397 /* Copy the small buffer to the huge buffer */
37398 sb = (struct sk_buff *)iov->iov_base;
37399 @@ -2327,7 +2327,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe)
37400 #endif /* NS_USE_DESTRUCTORS */
37401 __net_timestamp(hb);
37402 vcc->push(vcc, hb);
37403 - atomic_inc(&vcc->stats->rx);
37404 + atomic_inc_unchecked(&vcc->stats->rx);
37405 }
37406 }
37407
37408 diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
37409 index 21b0bc6..b5f40ba 100644
37410 --- a/drivers/atm/solos-pci.c
37411 +++ b/drivers/atm/solos-pci.c
37412 @@ -838,7 +838,7 @@ static void solos_bh(unsigned long card_arg)
37413 }
37414 atm_charge(vcc, skb->truesize);
37415 vcc->push(vcc, skb);
37416 - atomic_inc(&vcc->stats->rx);
37417 + atomic_inc_unchecked(&vcc->stats->rx);
37418 break;
37419
37420 case PKT_STATUS:
37421 @@ -1116,7 +1116,7 @@ static uint32_t fpga_tx(struct solos_card *card)
37422 vcc = SKB_CB(oldskb)->vcc;
37423
37424 if (vcc) {
37425 - atomic_inc(&vcc->stats->tx);
37426 + atomic_inc_unchecked(&vcc->stats->tx);
37427 solos_pop(vcc, oldskb);
37428 } else {
37429 dev_kfree_skb_irq(oldskb);
37430 diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c
37431 index 0215934..ce9f5b1 100644
37432 --- a/drivers/atm/suni.c
37433 +++ b/drivers/atm/suni.c
37434 @@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock);
37435
37436
37437 #define ADD_LIMITED(s,v) \
37438 - atomic_add((v),&stats->s); \
37439 - if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX);
37440 + atomic_add_unchecked((v),&stats->s); \
37441 + if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX);
37442
37443
37444 static void suni_hz(unsigned long from_timer)
37445 diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c
37446 index 5120a96..e2572bd 100644
37447 --- a/drivers/atm/uPD98402.c
37448 +++ b/drivers/atm/uPD98402.c
37449 @@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze
37450 struct sonet_stats tmp;
37451 int error = 0;
37452
37453 - atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
37454 + atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs);
37455 sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp);
37456 if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp));
37457 if (zero && !error) {
37458 @@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
37459
37460
37461 #define ADD_LIMITED(s,v) \
37462 - { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \
37463 - if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \
37464 - atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); }
37465 + { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \
37466 + if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \
37467 + atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); }
37468
37469
37470 static void stat_event(struct atm_dev *dev)
37471 @@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev)
37472 if (reason & uPD98402_INT_PFM) stat_event(dev);
37473 if (reason & uPD98402_INT_PCO) {
37474 (void) GET(PCOCR); /* clear interrupt cause */
37475 - atomic_add(GET(HECCT),
37476 + atomic_add_unchecked(GET(HECCT),
37477 &PRIV(dev)->sonet_stats.uncorr_hcs);
37478 }
37479 if ((reason & uPD98402_INT_RFO) &&
37480 @@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev)
37481 PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO |
37482 uPD98402_INT_LOS),PIMR); /* enable them */
37483 (void) fetch_stats(dev,NULL,1); /* clear kernel counters */
37484 - atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1);
37485 - atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1);
37486 - atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1);
37487 + atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1);
37488 + atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1);
37489 + atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1);
37490 return 0;
37491 }
37492
37493 diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
37494 index 969c3c2..9b72956 100644
37495 --- a/drivers/atm/zatm.c
37496 +++ b/drivers/atm/zatm.c
37497 @@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
37498 }
37499 if (!size) {
37500 dev_kfree_skb_irq(skb);
37501 - if (vcc) atomic_inc(&vcc->stats->rx_err);
37502 + if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err);
37503 continue;
37504 }
37505 if (!atm_charge(vcc,skb->truesize)) {
37506 @@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
37507 skb->len = size;
37508 ATM_SKB(skb)->vcc = vcc;
37509 vcc->push(vcc,skb);
37510 - atomic_inc(&vcc->stats->rx);
37511 + atomic_inc_unchecked(&vcc->stats->rx);
37512 }
37513 zout(pos & 0xffff,MTA(mbx));
37514 #if 0 /* probably a stupid idea */
37515 @@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP |
37516 skb_queue_head(&zatm_vcc->backlog,skb);
37517 break;
37518 }
37519 - atomic_inc(&vcc->stats->tx);
37520 + atomic_inc_unchecked(&vcc->stats->tx);
37521 wake_up(&zatm_vcc->tx_wait);
37522 }
37523
37524 diff --git a/drivers/base/bus.c b/drivers/base/bus.c
37525 index 876bae5..8978785 100644
37526 --- a/drivers/base/bus.c
37527 +++ b/drivers/base/bus.c
37528 @@ -1126,7 +1126,7 @@ int subsys_interface_register(struct subsys_interface *sif)
37529 return -EINVAL;
37530
37531 mutex_lock(&subsys->p->mutex);
37532 - list_add_tail(&sif->node, &subsys->p->interfaces);
37533 + pax_list_add_tail((struct list_head *)&sif->node, &subsys->p->interfaces);
37534 if (sif->add_dev) {
37535 subsys_dev_iter_init(&iter, subsys, NULL, NULL);
37536 while ((dev = subsys_dev_iter_next(&iter)))
37537 @@ -1151,7 +1151,7 @@ void subsys_interface_unregister(struct subsys_interface *sif)
37538 subsys = sif->subsys;
37539
37540 mutex_lock(&subsys->p->mutex);
37541 - list_del_init(&sif->node);
37542 + pax_list_del_init((struct list_head *)&sif->node);
37543 if (sif->remove_dev) {
37544 subsys_dev_iter_init(&iter, subsys, NULL, NULL);
37545 while ((dev = subsys_dev_iter_next(&iter)))
37546 diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
37547 index 25798db..15f130e 100644
37548 --- a/drivers/base/devtmpfs.c
37549 +++ b/drivers/base/devtmpfs.c
37550 @@ -354,7 +354,7 @@ int devtmpfs_mount(const char *mntdir)
37551 if (!thread)
37552 return 0;
37553
37554 - err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL);
37555 + err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL);
37556 if (err)
37557 printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
37558 else
37559 @@ -380,11 +380,11 @@ static int devtmpfsd(void *p)
37560 *err = sys_unshare(CLONE_NEWNS);
37561 if (*err)
37562 goto out;
37563 - *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options);
37564 + *err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)"/", (char __force_user *)"devtmpfs", MS_SILENT, (char __force_user *)options);
37565 if (*err)
37566 goto out;
37567 - sys_chdir("/.."); /* will traverse into overmounted root */
37568 - sys_chroot(".");
37569 + sys_chdir((char __force_user *)"/.."); /* will traverse into overmounted root */
37570 + sys_chroot((char __force_user *)".");
37571 complete(&setup_done);
37572 while (1) {
37573 spin_lock(&req_lock);
37574 diff --git a/drivers/base/node.c b/drivers/base/node.c
37575 index 472168c..4af587e 100644
37576 --- a/drivers/base/node.c
37577 +++ b/drivers/base/node.c
37578 @@ -620,7 +620,7 @@ static ssize_t print_nodes_state(enum node_states state, char *buf)
37579 struct node_attr {
37580 struct device_attribute attr;
37581 enum node_states state;
37582 -};
37583 +} __do_const;
37584
37585 static ssize_t show_node_state(struct device *dev,
37586 struct device_attribute *attr, char *buf)
37587 diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
37588 index fb83d4a..e1797b3 100644
37589 --- a/drivers/base/power/domain.c
37590 +++ b/drivers/base/power/domain.c
37591 @@ -1725,7 +1725,7 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
37592 {
37593 struct cpuidle_driver *cpuidle_drv;
37594 struct gpd_cpuidle_data *cpuidle_data;
37595 - struct cpuidle_state *idle_state;
37596 + cpuidle_state_no_const *idle_state;
37597 int ret = 0;
37598
37599 if (IS_ERR_OR_NULL(genpd) || state < 0)
37600 @@ -1793,7 +1793,7 @@ int pm_genpd_name_attach_cpuidle(const char *name, int state)
37601 int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd)
37602 {
37603 struct gpd_cpuidle_data *cpuidle_data;
37604 - struct cpuidle_state *idle_state;
37605 + cpuidle_state_no_const *idle_state;
37606 int ret = 0;
37607
37608 if (IS_ERR_OR_NULL(genpd))
37609 @@ -2215,7 +2215,9 @@ int genpd_dev_pm_attach(struct device *dev)
37610 return ret;
37611 }
37612
37613 - dev->pm_domain->detach = genpd_dev_pm_detach;
37614 + pax_open_kernel();
37615 + *(void **)&dev->pm_domain->detach = genpd_dev_pm_detach;
37616 + pax_close_kernel();
37617
37618 return 0;
37619 }
37620 diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
37621 index a9d26ed..74b8405 100644
37622 --- a/drivers/base/power/sysfs.c
37623 +++ b/drivers/base/power/sysfs.c
37624 @@ -182,7 +182,7 @@ static ssize_t rtpm_status_show(struct device *dev,
37625 return -EIO;
37626 }
37627 }
37628 - return sprintf(buf, p);
37629 + return sprintf(buf, "%s", p);
37630 }
37631
37632 static DEVICE_ATTR(runtime_status, 0444, rtpm_status_show, NULL);
37633 diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
37634 index c2744b3..08fac19 100644
37635 --- a/drivers/base/power/wakeup.c
37636 +++ b/drivers/base/power/wakeup.c
37637 @@ -32,14 +32,14 @@ static bool pm_abort_suspend __read_mostly;
37638 * They need to be modified together atomically, so it's better to use one
37639 * atomic variable to hold them both.
37640 */
37641 -static atomic_t combined_event_count = ATOMIC_INIT(0);
37642 +static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0);
37643
37644 #define IN_PROGRESS_BITS (sizeof(int) * 4)
37645 #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1)
37646
37647 static void split_counters(unsigned int *cnt, unsigned int *inpr)
37648 {
37649 - unsigned int comb = atomic_read(&combined_event_count);
37650 + unsigned int comb = atomic_read_unchecked(&combined_event_count);
37651
37652 *cnt = (comb >> IN_PROGRESS_BITS);
37653 *inpr = comb & MAX_IN_PROGRESS;
37654 @@ -404,7 +404,7 @@ static void wakeup_source_activate(struct wakeup_source *ws)
37655 ws->start_prevent_time = ws->last_time;
37656
37657 /* Increment the counter of events in progress. */
37658 - cec = atomic_inc_return(&combined_event_count);
37659 + cec = atomic_inc_return_unchecked(&combined_event_count);
37660
37661 trace_wakeup_source_activate(ws->name, cec);
37662 }
37663 @@ -530,7 +530,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws)
37664 * Increment the counter of registered wakeup events and decrement the
37665 * couter of wakeup events in progress simultaneously.
37666 */
37667 - cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count);
37668 + cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count);
37669 trace_wakeup_source_deactivate(ws->name, cec);
37670
37671 split_counters(&cnt, &inpr);
37672 diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c
37673 index 8d98a32..61d3165 100644
37674 --- a/drivers/base/syscore.c
37675 +++ b/drivers/base/syscore.c
37676 @@ -22,7 +22,7 @@ static DEFINE_MUTEX(syscore_ops_lock);
37677 void register_syscore_ops(struct syscore_ops *ops)
37678 {
37679 mutex_lock(&syscore_ops_lock);
37680 - list_add_tail(&ops->node, &syscore_ops_list);
37681 + pax_list_add_tail((struct list_head *)&ops->node, &syscore_ops_list);
37682 mutex_unlock(&syscore_ops_lock);
37683 }
37684 EXPORT_SYMBOL_GPL(register_syscore_ops);
37685 @@ -34,7 +34,7 @@ EXPORT_SYMBOL_GPL(register_syscore_ops);
37686 void unregister_syscore_ops(struct syscore_ops *ops)
37687 {
37688 mutex_lock(&syscore_ops_lock);
37689 - list_del(&ops->node);
37690 + pax_list_del((struct list_head *)&ops->node);
37691 mutex_unlock(&syscore_ops_lock);
37692 }
37693 EXPORT_SYMBOL_GPL(unregister_syscore_ops);
37694 diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
37695 index ff20f19..018f1da 100644
37696 --- a/drivers/block/cciss.c
37697 +++ b/drivers/block/cciss.c
37698 @@ -3008,7 +3008,7 @@ static void start_io(ctlr_info_t *h)
37699 while (!list_empty(&h->reqQ)) {
37700 c = list_entry(h->reqQ.next, CommandList_struct, list);
37701 /* can't do anything if fifo is full */
37702 - if ((h->access.fifo_full(h))) {
37703 + if ((h->access->fifo_full(h))) {
37704 dev_warn(&h->pdev->dev, "fifo full\n");
37705 break;
37706 }
37707 @@ -3018,7 +3018,7 @@ static void start_io(ctlr_info_t *h)
37708 h->Qdepth--;
37709
37710 /* Tell the controller execute command */
37711 - h->access.submit_command(h, c);
37712 + h->access->submit_command(h, c);
37713
37714 /* Put job onto the completed Q */
37715 addQ(&h->cmpQ, c);
37716 @@ -3444,17 +3444,17 @@ startio:
37717
37718 static inline unsigned long get_next_completion(ctlr_info_t *h)
37719 {
37720 - return h->access.command_completed(h);
37721 + return h->access->command_completed(h);
37722 }
37723
37724 static inline int interrupt_pending(ctlr_info_t *h)
37725 {
37726 - return h->access.intr_pending(h);
37727 + return h->access->intr_pending(h);
37728 }
37729
37730 static inline long interrupt_not_for_us(ctlr_info_t *h)
37731 {
37732 - return ((h->access.intr_pending(h) == 0) ||
37733 + return ((h->access->intr_pending(h) == 0) ||
37734 (h->interrupts_enabled == 0));
37735 }
37736
37737 @@ -3487,7 +3487,7 @@ static inline u32 next_command(ctlr_info_t *h)
37738 u32 a;
37739
37740 if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
37741 - return h->access.command_completed(h);
37742 + return h->access->command_completed(h);
37743
37744 if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
37745 a = *(h->reply_pool_head); /* Next cmd in ring buffer */
37746 @@ -4044,7 +4044,7 @@ static void cciss_put_controller_into_performant_mode(ctlr_info_t *h)
37747 trans_support & CFGTBL_Trans_use_short_tags);
37748
37749 /* Change the access methods to the performant access methods */
37750 - h->access = SA5_performant_access;
37751 + h->access = &SA5_performant_access;
37752 h->transMethod = CFGTBL_Trans_Performant;
37753
37754 return;
37755 @@ -4318,7 +4318,7 @@ static int cciss_pci_init(ctlr_info_t *h)
37756 if (prod_index < 0)
37757 return -ENODEV;
37758 h->product_name = products[prod_index].product_name;
37759 - h->access = *(products[prod_index].access);
37760 + h->access = products[prod_index].access;
37761
37762 if (cciss_board_disabled(h)) {
37763 dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
37764 @@ -5050,7 +5050,7 @@ reinit_after_soft_reset:
37765 }
37766
37767 /* make sure the board interrupts are off */
37768 - h->access.set_intr_mask(h, CCISS_INTR_OFF);
37769 + h->access->set_intr_mask(h, CCISS_INTR_OFF);
37770 rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx);
37771 if (rc)
37772 goto clean2;
37773 @@ -5100,7 +5100,7 @@ reinit_after_soft_reset:
37774 * fake ones to scoop up any residual completions.
37775 */
37776 spin_lock_irqsave(&h->lock, flags);
37777 - h->access.set_intr_mask(h, CCISS_INTR_OFF);
37778 + h->access->set_intr_mask(h, CCISS_INTR_OFF);
37779 spin_unlock_irqrestore(&h->lock, flags);
37780 free_irq(h->intr[h->intr_mode], h);
37781 rc = cciss_request_irq(h, cciss_msix_discard_completions,
37782 @@ -5120,9 +5120,9 @@ reinit_after_soft_reset:
37783 dev_info(&h->pdev->dev, "Board READY.\n");
37784 dev_info(&h->pdev->dev,
37785 "Waiting for stale completions to drain.\n");
37786 - h->access.set_intr_mask(h, CCISS_INTR_ON);
37787 + h->access->set_intr_mask(h, CCISS_INTR_ON);
37788 msleep(10000);
37789 - h->access.set_intr_mask(h, CCISS_INTR_OFF);
37790 + h->access->set_intr_mask(h, CCISS_INTR_OFF);
37791
37792 rc = controller_reset_failed(h->cfgtable);
37793 if (rc)
37794 @@ -5145,7 +5145,7 @@ reinit_after_soft_reset:
37795 cciss_scsi_setup(h);
37796
37797 /* Turn the interrupts on so we can service requests */
37798 - h->access.set_intr_mask(h, CCISS_INTR_ON);
37799 + h->access->set_intr_mask(h, CCISS_INTR_ON);
37800
37801 /* Get the firmware version */
37802 inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
37803 @@ -5217,7 +5217,7 @@ static void cciss_shutdown(struct pci_dev *pdev)
37804 kfree(flush_buf);
37805 if (return_code != IO_OK)
37806 dev_warn(&h->pdev->dev, "Error flushing cache\n");
37807 - h->access.set_intr_mask(h, CCISS_INTR_OFF);
37808 + h->access->set_intr_mask(h, CCISS_INTR_OFF);
37809 free_irq(h->intr[h->intr_mode], h);
37810 }
37811
37812 diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
37813 index 7fda30e..2f27946 100644
37814 --- a/drivers/block/cciss.h
37815 +++ b/drivers/block/cciss.h
37816 @@ -101,7 +101,7 @@ struct ctlr_info
37817 /* information about each logical volume */
37818 drive_info_struct *drv[CISS_MAX_LUN];
37819
37820 - struct access_method access;
37821 + struct access_method *access;
37822
37823 /* queue and queue Info */
37824 struct list_head reqQ;
37825 @@ -402,27 +402,27 @@ static bool SA5_performant_intr_pending(ctlr_info_t *h)
37826 }
37827
37828 static struct access_method SA5_access = {
37829 - SA5_submit_command,
37830 - SA5_intr_mask,
37831 - SA5_fifo_full,
37832 - SA5_intr_pending,
37833 - SA5_completed,
37834 + .submit_command = SA5_submit_command,
37835 + .set_intr_mask = SA5_intr_mask,
37836 + .fifo_full = SA5_fifo_full,
37837 + .intr_pending = SA5_intr_pending,
37838 + .command_completed = SA5_completed,
37839 };
37840
37841 static struct access_method SA5B_access = {
37842 - SA5_submit_command,
37843 - SA5B_intr_mask,
37844 - SA5_fifo_full,
37845 - SA5B_intr_pending,
37846 - SA5_completed,
37847 + .submit_command = SA5_submit_command,
37848 + .set_intr_mask = SA5B_intr_mask,
37849 + .fifo_full = SA5_fifo_full,
37850 + .intr_pending = SA5B_intr_pending,
37851 + .command_completed = SA5_completed,
37852 };
37853
37854 static struct access_method SA5_performant_access = {
37855 - SA5_submit_command,
37856 - SA5_performant_intr_mask,
37857 - SA5_fifo_full,
37858 - SA5_performant_intr_pending,
37859 - SA5_performant_completed,
37860 + .submit_command = SA5_submit_command,
37861 + .set_intr_mask = SA5_performant_intr_mask,
37862 + .fifo_full = SA5_fifo_full,
37863 + .intr_pending = SA5_performant_intr_pending,
37864 + .command_completed = SA5_performant_completed,
37865 };
37866
37867 struct board_type {
37868 diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
37869 index 2b94403..fd6ad1f 100644
37870 --- a/drivers/block/cpqarray.c
37871 +++ b/drivers/block/cpqarray.c
37872 @@ -404,7 +404,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev)
37873 if (register_blkdev(COMPAQ_SMART2_MAJOR+i, hba[i]->devname)) {
37874 goto Enomem4;
37875 }
37876 - hba[i]->access.set_intr_mask(hba[i], 0);
37877 + hba[i]->access->set_intr_mask(hba[i], 0);
37878 if (request_irq(hba[i]->intr, do_ida_intr,
37879 IRQF_DISABLED|IRQF_SHARED, hba[i]->devname, hba[i]))
37880 {
37881 @@ -459,7 +459,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev)
37882 add_timer(&hba[i]->timer);
37883
37884 /* Enable IRQ now that spinlock and rate limit timer are set up */
37885 - hba[i]->access.set_intr_mask(hba[i], FIFO_NOT_EMPTY);
37886 + hba[i]->access->set_intr_mask(hba[i], FIFO_NOT_EMPTY);
37887
37888 for(j=0; j<NWD; j++) {
37889 struct gendisk *disk = ida_gendisk[i][j];
37890 @@ -694,7 +694,7 @@ DBGINFO(
37891 for(i=0; i<NR_PRODUCTS; i++) {
37892 if (board_id == products[i].board_id) {
37893 c->product_name = products[i].product_name;
37894 - c->access = *(products[i].access);
37895 + c->access = products[i].access;
37896 break;
37897 }
37898 }
37899 @@ -792,7 +792,7 @@ static int cpqarray_eisa_detect(void)
37900 hba[ctlr]->intr = intr;
37901 sprintf(hba[ctlr]->devname, "ida%d", nr_ctlr);
37902 hba[ctlr]->product_name = products[j].product_name;
37903 - hba[ctlr]->access = *(products[j].access);
37904 + hba[ctlr]->access = products[j].access;
37905 hba[ctlr]->ctlr = ctlr;
37906 hba[ctlr]->board_id = board_id;
37907 hba[ctlr]->pci_dev = NULL; /* not PCI */
37908 @@ -978,7 +978,7 @@ static void start_io(ctlr_info_t *h)
37909
37910 while((c = h->reqQ) != NULL) {
37911 /* Can't do anything if we're busy */
37912 - if (h->access.fifo_full(h) == 0)
37913 + if (h->access->fifo_full(h) == 0)
37914 return;
37915
37916 /* Get the first entry from the request Q */
37917 @@ -986,7 +986,7 @@ static void start_io(ctlr_info_t *h)
37918 h->Qdepth--;
37919
37920 /* Tell the controller to do our bidding */
37921 - h->access.submit_command(h, c);
37922 + h->access->submit_command(h, c);
37923
37924 /* Get onto the completion Q */
37925 addQ(&h->cmpQ, c);
37926 @@ -1048,7 +1048,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
37927 unsigned long flags;
37928 __u32 a,a1;
37929
37930 - istat = h->access.intr_pending(h);
37931 + istat = h->access->intr_pending(h);
37932 /* Is this interrupt for us? */
37933 if (istat == 0)
37934 return IRQ_NONE;
37935 @@ -1059,7 +1059,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id)
37936 */
37937 spin_lock_irqsave(IDA_LOCK(h->ctlr), flags);
37938 if (istat & FIFO_NOT_EMPTY) {
37939 - while((a = h->access.command_completed(h))) {
37940 + while((a = h->access->command_completed(h))) {
37941 a1 = a; a &= ~3;
37942 if ((c = h->cmpQ) == NULL)
37943 {
37944 @@ -1448,11 +1448,11 @@ static int sendcmd(
37945 /*
37946 * Disable interrupt
37947 */
37948 - info_p->access.set_intr_mask(info_p, 0);
37949 + info_p->access->set_intr_mask(info_p, 0);
37950 /* Make sure there is room in the command FIFO */
37951 /* Actually it should be completely empty at this time. */
37952 for (i = 200000; i > 0; i--) {
37953 - temp = info_p->access.fifo_full(info_p);
37954 + temp = info_p->access->fifo_full(info_p);
37955 if (temp != 0) {
37956 break;
37957 }
37958 @@ -1465,7 +1465,7 @@ DBG(
37959 /*
37960 * Send the cmd
37961 */
37962 - info_p->access.submit_command(info_p, c);
37963 + info_p->access->submit_command(info_p, c);
37964 complete = pollcomplete(ctlr);
37965
37966 pci_unmap_single(info_p->pci_dev, (dma_addr_t) c->req.sg[0].addr,
37967 @@ -1548,9 +1548,9 @@ static int revalidate_allvol(ctlr_info_t *host)
37968 * we check the new geometry. Then turn interrupts back on when
37969 * we're done.
37970 */
37971 - host->access.set_intr_mask(host, 0);
37972 + host->access->set_intr_mask(host, 0);
37973 getgeometry(ctlr);
37974 - host->access.set_intr_mask(host, FIFO_NOT_EMPTY);
37975 + host->access->set_intr_mask(host, FIFO_NOT_EMPTY);
37976
37977 for(i=0; i<NWD; i++) {
37978 struct gendisk *disk = ida_gendisk[ctlr][i];
37979 @@ -1590,7 +1590,7 @@ static int pollcomplete(int ctlr)
37980 /* Wait (up to 2 seconds) for a command to complete */
37981
37982 for (i = 200000; i > 0; i--) {
37983 - done = hba[ctlr]->access.command_completed(hba[ctlr]);
37984 + done = hba[ctlr]->access->command_completed(hba[ctlr]);
37985 if (done == 0) {
37986 udelay(10); /* a short fixed delay */
37987 } else
37988 diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h
37989 index be73e9d..7fbf140 100644
37990 --- a/drivers/block/cpqarray.h
37991 +++ b/drivers/block/cpqarray.h
37992 @@ -99,7 +99,7 @@ struct ctlr_info {
37993 drv_info_t drv[NWD];
37994 struct proc_dir_entry *proc;
37995
37996 - struct access_method access;
37997 + struct access_method *access;
37998
37999 cmdlist_t *reqQ;
38000 cmdlist_t *cmpQ;
38001 diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
38002 index 434c77d..6d3219a 100644
38003 --- a/drivers/block/drbd/drbd_bitmap.c
38004 +++ b/drivers/block/drbd/drbd_bitmap.c
38005 @@ -1036,7 +1036,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
38006 submit_bio(rw, bio);
38007 /* this should not count as user activity and cause the
38008 * resync to throttle -- see drbd_rs_should_slow_down(). */
38009 - atomic_add(len >> 9, &device->rs_sect_ev);
38010 + atomic_add_unchecked(len >> 9, &device->rs_sect_ev);
38011 }
38012 }
38013
38014 diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
38015 index 9b22f8f..f2932af 100644
38016 --- a/drivers/block/drbd/drbd_int.h
38017 +++ b/drivers/block/drbd/drbd_int.h
38018 @@ -385,7 +385,7 @@ struct drbd_epoch {
38019 struct drbd_connection *connection;
38020 struct list_head list;
38021 unsigned int barrier_nr;
38022 - atomic_t epoch_size; /* increased on every request added. */
38023 + atomic_unchecked_t epoch_size; /* increased on every request added. */
38024 atomic_t active; /* increased on every req. added, and dec on every finished. */
38025 unsigned long flags;
38026 };
38027 @@ -946,7 +946,7 @@ struct drbd_device {
38028 unsigned int al_tr_number;
38029 int al_tr_cycle;
38030 wait_queue_head_t seq_wait;
38031 - atomic_t packet_seq;
38032 + atomic_unchecked_t packet_seq;
38033 unsigned int peer_seq;
38034 spinlock_t peer_seq_lock;
38035 unsigned long comm_bm_set; /* communicated number of set bits. */
38036 @@ -955,8 +955,8 @@ struct drbd_device {
38037 struct mutex own_state_mutex;
38038 struct mutex *state_mutex; /* either own_state_mutex or first_peer_device(device)->connection->cstate_mutex */
38039 char congestion_reason; /* Why we where congested... */
38040 - atomic_t rs_sect_in; /* for incoming resync data rate, SyncTarget */
38041 - atomic_t rs_sect_ev; /* for submitted resync data rate, both */
38042 + atomic_unchecked_t rs_sect_in; /* for incoming resync data rate, SyncTarget */
38043 + atomic_unchecked_t rs_sect_ev; /* for submitted resync data rate, both */
38044 int rs_last_sect_ev; /* counter to compare with */
38045 int rs_last_events; /* counter of read or write "events" (unit sectors)
38046 * on the lower level device when we last looked. */
38047 @@ -1567,7 +1567,7 @@ static inline int drbd_setsockopt(struct socket *sock, int level, int optname,
38048 char __user *uoptval;
38049 int err;
38050
38051 - uoptval = (char __user __force *)optval;
38052 + uoptval = (char __force_user *)optval;
38053
38054 set_fs(KERNEL_DS);
38055 if (level == SOL_SOCKET)
38056 diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
38057 index 973c185..05d8b1a 100644
38058 --- a/drivers/block/drbd/drbd_main.c
38059 +++ b/drivers/block/drbd/drbd_main.c
38060 @@ -1328,7 +1328,7 @@ static int _drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet
38061 p->sector = sector;
38062 p->block_id = block_id;
38063 p->blksize = blksize;
38064 - p->seq_num = cpu_to_be32(atomic_inc_return(&peer_device->device->packet_seq));
38065 + p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&peer_device->device->packet_seq));
38066 return drbd_send_command(peer_device, sock, cmd, sizeof(*p), NULL, 0);
38067 }
38068
38069 @@ -1634,7 +1634,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request *
38070 return -EIO;
38071 p->sector = cpu_to_be64(req->i.sector);
38072 p->block_id = (unsigned long)req;
38073 - p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq));
38074 + p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&device->packet_seq));
38075 dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw);
38076 if (device->state.conn >= C_SYNC_SOURCE &&
38077 device->state.conn <= C_PAUSED_SYNC_T)
38078 @@ -1915,8 +1915,8 @@ void drbd_init_set_defaults(struct drbd_device *device)
38079 atomic_set(&device->unacked_cnt, 0);
38080 atomic_set(&device->local_cnt, 0);
38081 atomic_set(&device->pp_in_use_by_net, 0);
38082 - atomic_set(&device->rs_sect_in, 0);
38083 - atomic_set(&device->rs_sect_ev, 0);
38084 + atomic_set_unchecked(&device->rs_sect_in, 0);
38085 + atomic_set_unchecked(&device->rs_sect_ev, 0);
38086 atomic_set(&device->ap_in_flight, 0);
38087 atomic_set(&device->md_io.in_use, 0);
38088
38089 @@ -2688,8 +2688,8 @@ void drbd_destroy_connection(struct kref *kref)
38090 struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref);
38091 struct drbd_resource *resource = connection->resource;
38092
38093 - if (atomic_read(&connection->current_epoch->epoch_size) != 0)
38094 - drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size));
38095 + if (atomic_read_unchecked(&connection->current_epoch->epoch_size) != 0)
38096 + drbd_err(connection, "epoch_size:%d\n", atomic_read_unchecked(&connection->current_epoch->epoch_size));
38097 kfree(connection->current_epoch);
38098
38099 idr_destroy(&connection->peer_devices);
38100 diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
38101 index 1cd47df..57c53c0 100644
38102 --- a/drivers/block/drbd/drbd_nl.c
38103 +++ b/drivers/block/drbd/drbd_nl.c
38104 @@ -3645,13 +3645,13 @@ finish:
38105
38106 void drbd_bcast_event(struct drbd_device *device, const struct sib_info *sib)
38107 {
38108 - static atomic_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */
38109 + static atomic_unchecked_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */
38110 struct sk_buff *msg;
38111 struct drbd_genlmsghdr *d_out;
38112 unsigned seq;
38113 int err = -ENOMEM;
38114
38115 - seq = atomic_inc_return(&drbd_genl_seq);
38116 + seq = atomic_inc_return_unchecked(&drbd_genl_seq);
38117 msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO);
38118 if (!msg)
38119 goto failed;
38120 diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
38121 index 6960fb0..215d76b 100644
38122 --- a/drivers/block/drbd/drbd_receiver.c
38123 +++ b/drivers/block/drbd/drbd_receiver.c
38124 @@ -870,7 +870,7 @@ int drbd_connected(struct drbd_peer_device *peer_device)
38125 struct drbd_device *device = peer_device->device;
38126 int err;
38127
38128 - atomic_set(&device->packet_seq, 0);
38129 + atomic_set_unchecked(&device->packet_seq, 0);
38130 device->peer_seq = 0;
38131
38132 device->state_mutex = peer_device->connection->agreed_pro_version < 100 ?
38133 @@ -1233,7 +1233,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio
38134 do {
38135 next_epoch = NULL;
38136
38137 - epoch_size = atomic_read(&epoch->epoch_size);
38138 + epoch_size = atomic_read_unchecked(&epoch->epoch_size);
38139
38140 switch (ev & ~EV_CLEANUP) {
38141 case EV_PUT:
38142 @@ -1273,7 +1273,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio
38143 rv = FE_DESTROYED;
38144 } else {
38145 epoch->flags = 0;
38146 - atomic_set(&epoch->epoch_size, 0);
38147 + atomic_set_unchecked(&epoch->epoch_size, 0);
38148 /* atomic_set(&epoch->active, 0); is already zero */
38149 if (rv == FE_STILL_LIVE)
38150 rv = FE_RECYCLED;
38151 @@ -1550,7 +1550,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf
38152 conn_wait_active_ee_empty(connection);
38153 drbd_flush(connection);
38154
38155 - if (atomic_read(&connection->current_epoch->epoch_size)) {
38156 + if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) {
38157 epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
38158 if (epoch)
38159 break;
38160 @@ -1564,11 +1564,11 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf
38161 }
38162
38163 epoch->flags = 0;
38164 - atomic_set(&epoch->epoch_size, 0);
38165 + atomic_set_unchecked(&epoch->epoch_size, 0);
38166 atomic_set(&epoch->active, 0);
38167
38168 spin_lock(&connection->epoch_lock);
38169 - if (atomic_read(&connection->current_epoch->epoch_size)) {
38170 + if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) {
38171 list_add(&epoch->list, &connection->current_epoch->list);
38172 connection->current_epoch = epoch;
38173 connection->epochs++;
38174 @@ -1802,7 +1802,7 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto
38175 list_add_tail(&peer_req->w.list, &device->sync_ee);
38176 spin_unlock_irq(&device->resource->req_lock);
38177
38178 - atomic_add(pi->size >> 9, &device->rs_sect_ev);
38179 + atomic_add_unchecked(pi->size >> 9, &device->rs_sect_ev);
38180 if (drbd_submit_peer_request(device, peer_req, WRITE, DRBD_FAULT_RS_WR) == 0)
38181 return 0;
38182
38183 @@ -1900,7 +1900,7 @@ static int receive_RSDataReply(struct drbd_connection *connection, struct packet
38184 drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size);
38185 }
38186
38187 - atomic_add(pi->size >> 9, &device->rs_sect_in);
38188 + atomic_add_unchecked(pi->size >> 9, &device->rs_sect_in);
38189
38190 return err;
38191 }
38192 @@ -2290,7 +2290,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
38193
38194 err = wait_for_and_update_peer_seq(peer_device, peer_seq);
38195 drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size);
38196 - atomic_inc(&connection->current_epoch->epoch_size);
38197 + atomic_inc_unchecked(&connection->current_epoch->epoch_size);
38198 err2 = drbd_drain_block(peer_device, pi->size);
38199 if (!err)
38200 err = err2;
38201 @@ -2334,7 +2334,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
38202
38203 spin_lock(&connection->epoch_lock);
38204 peer_req->epoch = connection->current_epoch;
38205 - atomic_inc(&peer_req->epoch->epoch_size);
38206 + atomic_inc_unchecked(&peer_req->epoch->epoch_size);
38207 atomic_inc(&peer_req->epoch->active);
38208 spin_unlock(&connection->epoch_lock);
38209
38210 @@ -2479,7 +2479,7 @@ bool drbd_rs_c_min_rate_throttle(struct drbd_device *device)
38211
38212 curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
38213 (int)part_stat_read(&disk->part0, sectors[1]) -
38214 - atomic_read(&device->rs_sect_ev);
38215 + atomic_read_unchecked(&device->rs_sect_ev);
38216
38217 if (atomic_read(&device->ap_actlog_cnt)
38218 || !device->rs_last_events || curr_events - device->rs_last_events > 64) {
38219 @@ -2618,7 +2618,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet
38220 device->use_csums = true;
38221 } else if (pi->cmd == P_OV_REPLY) {
38222 /* track progress, we may need to throttle */
38223 - atomic_add(size >> 9, &device->rs_sect_in);
38224 + atomic_add_unchecked(size >> 9, &device->rs_sect_in);
38225 peer_req->w.cb = w_e_end_ov_reply;
38226 dec_rs_pending(device);
38227 /* drbd_rs_begin_io done when we sent this request,
38228 @@ -2691,7 +2691,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet
38229 goto out_free_e;
38230
38231 submit_for_resync:
38232 - atomic_add(size >> 9, &device->rs_sect_ev);
38233 + atomic_add_unchecked(size >> 9, &device->rs_sect_ev);
38234
38235 submit:
38236 update_receiver_timing_details(connection, drbd_submit_peer_request);
38237 @@ -4564,7 +4564,7 @@ struct data_cmd {
38238 int expect_payload;
38239 size_t pkt_size;
38240 int (*fn)(struct drbd_connection *, struct packet_info *);
38241 -};
38242 +} __do_const;
38243
38244 static struct data_cmd drbd_cmd_handler[] = {
38245 [P_DATA] = { 1, sizeof(struct p_data), receive_Data },
38246 @@ -4678,7 +4678,7 @@ static void conn_disconnect(struct drbd_connection *connection)
38247 if (!list_empty(&connection->current_epoch->list))
38248 drbd_err(connection, "ASSERTION FAILED: connection->current_epoch->list not empty\n");
38249 /* ok, no more ee's on the fly, it is safe to reset the epoch_size */
38250 - atomic_set(&connection->current_epoch->epoch_size, 0);
38251 + atomic_set_unchecked(&connection->current_epoch->epoch_size, 0);
38252 connection->send.seen_any_write_yet = false;
38253
38254 drbd_info(connection, "Connection closed\n");
38255 @@ -5182,7 +5182,7 @@ static int got_IsInSync(struct drbd_connection *connection, struct packet_info *
38256 put_ldev(device);
38257 }
38258 dec_rs_pending(device);
38259 - atomic_add(blksize >> 9, &device->rs_sect_in);
38260 + atomic_add_unchecked(blksize >> 9, &device->rs_sect_in);
38261
38262 return 0;
38263 }
38264 @@ -5470,7 +5470,7 @@ static int connection_finish_peer_reqs(struct drbd_connection *connection)
38265 struct asender_cmd {
38266 size_t pkt_size;
38267 int (*fn)(struct drbd_connection *connection, struct packet_info *);
38268 -};
38269 +} __do_const;
38270
38271 static struct asender_cmd asender_tbl[] = {
38272 [P_PING] = { 0, got_Ping },
38273 diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
38274 index d2d1f97..6a1188f 100644
38275 --- a/drivers/block/drbd/drbd_worker.c
38276 +++ b/drivers/block/drbd/drbd_worker.c
38277 @@ -408,7 +408,7 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector,
38278 list_add_tail(&peer_req->w.list, &device->read_ee);
38279 spin_unlock_irq(&device->resource->req_lock);
38280
38281 - atomic_add(size >> 9, &device->rs_sect_ev);
38282 + atomic_add_unchecked(size >> 9, &device->rs_sect_ev);
38283 if (drbd_submit_peer_request(device, peer_req, READ, DRBD_FAULT_RS_RD) == 0)
38284 return 0;
38285
38286 @@ -553,7 +553,7 @@ static int drbd_rs_number_requests(struct drbd_device *device)
38287 unsigned int sect_in; /* Number of sectors that came in since the last turn */
38288 int number, mxb;
38289
38290 - sect_in = atomic_xchg(&device->rs_sect_in, 0);
38291 + sect_in = atomic_xchg_unchecked(&device->rs_sect_in, 0);
38292 device->rs_in_flight -= sect_in;
38293
38294 rcu_read_lock();
38295 @@ -1594,8 +1594,8 @@ void drbd_rs_controller_reset(struct drbd_device *device)
38296 {
38297 struct fifo_buffer *plan;
38298
38299 - atomic_set(&device->rs_sect_in, 0);
38300 - atomic_set(&device->rs_sect_ev, 0);
38301 + atomic_set_unchecked(&device->rs_sect_in, 0);
38302 + atomic_set_unchecked(&device->rs_sect_ev, 0);
38303 device->rs_in_flight = 0;
38304
38305 /* Updating the RCU protected object in place is necessary since
38306 diff --git a/drivers/block/loop.c b/drivers/block/loop.c
38307 index 6cb1beb..bf490f7 100644
38308 --- a/drivers/block/loop.c
38309 +++ b/drivers/block/loop.c
38310 @@ -232,7 +232,7 @@ static int __do_lo_send_write(struct file *file,
38311
38312 file_start_write(file);
38313 set_fs(get_ds());
38314 - bw = file->f_op->write(file, buf, len, &pos);
38315 + bw = file->f_op->write(file, (const char __force_user *)buf, len, &pos);
38316 set_fs(old_fs);
38317 file_end_write(file);
38318 if (likely(bw == len))
38319 diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
38320 index e2bb8af..44b8aef 100644
38321 --- a/drivers/block/nvme-core.c
38322 +++ b/drivers/block/nvme-core.c
38323 @@ -73,7 +73,6 @@ static LIST_HEAD(dev_list);
38324 static struct task_struct *nvme_thread;
38325 static struct workqueue_struct *nvme_workq;
38326 static wait_queue_head_t nvme_kthread_wait;
38327 -static struct notifier_block nvme_nb;
38328
38329 static void nvme_reset_failed_dev(struct work_struct *ws);
38330
38331 @@ -2926,6 +2925,10 @@ static struct pci_driver nvme_driver = {
38332 .err_handler = &nvme_err_handler,
38333 };
38334
38335 +static struct notifier_block nvme_nb = {
38336 + .notifier_call = &nvme_cpu_notify,
38337 +};
38338 +
38339 static int __init nvme_init(void)
38340 {
38341 int result;
38342 @@ -2942,7 +2945,6 @@ static int __init nvme_init(void)
38343 else if (result > 0)
38344 nvme_major = result;
38345
38346 - nvme_nb.notifier_call = &nvme_cpu_notify;
38347 result = register_hotcpu_notifier(&nvme_nb);
38348 if (result)
38349 goto unregister_blkdev;
38350 diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
38351 index 09e628da..7607aaa 100644
38352 --- a/drivers/block/pktcdvd.c
38353 +++ b/drivers/block/pktcdvd.c
38354 @@ -108,7 +108,7 @@ static int pkt_seq_show(struct seq_file *m, void *p);
38355
38356 static sector_t get_zone(sector_t sector, struct pktcdvd_device *pd)
38357 {
38358 - return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1);
38359 + return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1UL);
38360 }
38361
38362 /*
38363 @@ -1890,7 +1890,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
38364 return -EROFS;
38365 }
38366 pd->settings.fp = ti.fp;
38367 - pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1);
38368 + pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1UL);
38369
38370 if (ti.nwa_v) {
38371 pd->nwa = be32_to_cpu(ti.next_writable);
38372 diff --git a/drivers/block/smart1,2.h b/drivers/block/smart1,2.h
38373 index e5565fb..71be10b4 100644
38374 --- a/drivers/block/smart1,2.h
38375 +++ b/drivers/block/smart1,2.h
38376 @@ -108,11 +108,11 @@ static unsigned long smart4_intr_pending(ctlr_info_t *h)
38377 }
38378
38379 static struct access_method smart4_access = {
38380 - smart4_submit_command,
38381 - smart4_intr_mask,
38382 - smart4_fifo_full,
38383 - smart4_intr_pending,
38384 - smart4_completed,
38385 + .submit_command = smart4_submit_command,
38386 + .set_intr_mask = smart4_intr_mask,
38387 + .fifo_full = smart4_fifo_full,
38388 + .intr_pending = smart4_intr_pending,
38389 + .command_completed = smart4_completed,
38390 };
38391
38392 /*
38393 @@ -144,11 +144,11 @@ static unsigned long smart2_intr_pending(ctlr_info_t *h)
38394 }
38395
38396 static struct access_method smart2_access = {
38397 - smart2_submit_command,
38398 - smart2_intr_mask,
38399 - smart2_fifo_full,
38400 - smart2_intr_pending,
38401 - smart2_completed,
38402 + .submit_command = smart2_submit_command,
38403 + .set_intr_mask = smart2_intr_mask,
38404 + .fifo_full = smart2_fifo_full,
38405 + .intr_pending = smart2_intr_pending,
38406 + .command_completed = smart2_completed,
38407 };
38408
38409 /*
38410 @@ -180,11 +180,11 @@ static unsigned long smart2e_intr_pending(ctlr_info_t *h)
38411 }
38412
38413 static struct access_method smart2e_access = {
38414 - smart2e_submit_command,
38415 - smart2e_intr_mask,
38416 - smart2e_fifo_full,
38417 - smart2e_intr_pending,
38418 - smart2e_completed,
38419 + .submit_command = smart2e_submit_command,
38420 + .set_intr_mask = smart2e_intr_mask,
38421 + .fifo_full = smart2e_fifo_full,
38422 + .intr_pending = smart2e_intr_pending,
38423 + .command_completed = smart2e_completed,
38424 };
38425
38426 /*
38427 @@ -270,9 +270,9 @@ static unsigned long smart1_intr_pending(ctlr_info_t *h)
38428 }
38429
38430 static struct access_method smart1_access = {
38431 - smart1_submit_command,
38432 - smart1_intr_mask,
38433 - smart1_fifo_full,
38434 - smart1_intr_pending,
38435 - smart1_completed,
38436 + .submit_command = smart1_submit_command,
38437 + .set_intr_mask = smart1_intr_mask,
38438 + .fifo_full = smart1_fifo_full,
38439 + .intr_pending = smart1_intr_pending,
38440 + .command_completed = smart1_completed,
38441 };
38442 diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
38443 index f038dba..bb74c08 100644
38444 --- a/drivers/bluetooth/btwilink.c
38445 +++ b/drivers/bluetooth/btwilink.c
38446 @@ -288,7 +288,7 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
38447
38448 static int bt_ti_probe(struct platform_device *pdev)
38449 {
38450 - static struct ti_st *hst;
38451 + struct ti_st *hst;
38452 struct hci_dev *hdev;
38453 int err;
38454
38455 diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
38456 index 5d28a45..a538f90 100644
38457 --- a/drivers/cdrom/cdrom.c
38458 +++ b/drivers/cdrom/cdrom.c
38459 @@ -610,7 +610,6 @@ int register_cdrom(struct cdrom_device_info *cdi)
38460 ENSURE(reset, CDC_RESET);
38461 ENSURE(generic_packet, CDC_GENERIC_PACKET);
38462 cdi->mc_flags = 0;
38463 - cdo->n_minors = 0;
38464 cdi->options = CDO_USE_FFLAGS;
38465
38466 if (autoclose == 1 && CDROM_CAN(CDC_CLOSE_TRAY))
38467 @@ -630,8 +629,11 @@ int register_cdrom(struct cdrom_device_info *cdi)
38468 else
38469 cdi->cdda_method = CDDA_OLD;
38470
38471 - if (!cdo->generic_packet)
38472 - cdo->generic_packet = cdrom_dummy_generic_packet;
38473 + if (!cdo->generic_packet) {
38474 + pax_open_kernel();
38475 + *(void **)&cdo->generic_packet = cdrom_dummy_generic_packet;
38476 + pax_close_kernel();
38477 + }
38478
38479 cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name);
38480 mutex_lock(&cdrom_mutex);
38481 @@ -652,7 +654,6 @@ void unregister_cdrom(struct cdrom_device_info *cdi)
38482 if (cdi->exit)
38483 cdi->exit(cdi);
38484
38485 - cdi->ops->n_minors--;
38486 cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" unregistered\n", cdi->name);
38487 }
38488
38489 @@ -2126,7 +2127,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
38490 */
38491 nr = nframes;
38492 do {
38493 - cgc.buffer = kmalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL);
38494 + cgc.buffer = kzalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL);
38495 if (cgc.buffer)
38496 break;
38497
38498 @@ -3434,7 +3435,7 @@ static int cdrom_print_info(const char *header, int val, char *info,
38499 struct cdrom_device_info *cdi;
38500 int ret;
38501
38502 - ret = scnprintf(info + *pos, max_size - *pos, header);
38503 + ret = scnprintf(info + *pos, max_size - *pos, "%s", header);
38504 if (!ret)
38505 return 1;
38506
38507 diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
38508 index 584bc31..e64a12c 100644
38509 --- a/drivers/cdrom/gdrom.c
38510 +++ b/drivers/cdrom/gdrom.c
38511 @@ -491,7 +491,6 @@ static struct cdrom_device_ops gdrom_ops = {
38512 .audio_ioctl = gdrom_audio_ioctl,
38513 .capability = CDC_MULTI_SESSION | CDC_MEDIA_CHANGED |
38514 CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R,
38515 - .n_minors = 1,
38516 };
38517
38518 static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode)
38519 diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
38520 index efefd12..4f1d494 100644
38521 --- a/drivers/char/Kconfig
38522 +++ b/drivers/char/Kconfig
38523 @@ -8,7 +8,8 @@ source "drivers/tty/Kconfig"
38524
38525 config DEVKMEM
38526 bool "/dev/kmem virtual device support"
38527 - default y
38528 + default n
38529 + depends on !GRKERNSEC_KMEM
38530 help
38531 Say Y here if you want to support the /dev/kmem device. The
38532 /dev/kmem device is rarely used, but can be used for certain
38533 @@ -577,6 +578,7 @@ config DEVPORT
38534 bool
38535 depends on !M68K
38536 depends on ISA || PCI
38537 + depends on !GRKERNSEC_KMEM
38538 default y
38539
38540 source "drivers/s390/char/Kconfig"
38541 diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c
38542 index a48e05b..6bac831 100644
38543 --- a/drivers/char/agp/compat_ioctl.c
38544 +++ b/drivers/char/agp/compat_ioctl.c
38545 @@ -108,7 +108,7 @@ static int compat_agpioc_reserve_wrap(struct agp_file_private *priv, void __user
38546 return -ENOMEM;
38547 }
38548
38549 - if (copy_from_user(usegment, (void __user *) ureserve.seg_list,
38550 + if (copy_from_user(usegment, (void __force_user *) ureserve.seg_list,
38551 sizeof(*usegment) * ureserve.seg_count)) {
38552 kfree(usegment);
38553 kfree(ksegment);
38554 diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
38555 index 09f17eb..8531d2f 100644
38556 --- a/drivers/char/agp/frontend.c
38557 +++ b/drivers/char/agp/frontend.c
38558 @@ -806,7 +806,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
38559 if (copy_from_user(&reserve, arg, sizeof(struct agp_region)))
38560 return -EFAULT;
38561
38562 - if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment))
38563 + if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv))
38564 return -EFAULT;
38565
38566 client = agp_find_client_by_pid(reserve.pid);
38567 @@ -836,7 +836,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
38568 if (segment == NULL)
38569 return -ENOMEM;
38570
38571 - if (copy_from_user(segment, (void __user *) reserve.seg_list,
38572 + if (copy_from_user(segment, (void __force_user *) reserve.seg_list,
38573 sizeof(struct agp_segment) * reserve.seg_count)) {
38574 kfree(segment);
38575 return -EFAULT;
38576 diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
38577 index 4f94375..413694e 100644
38578 --- a/drivers/char/genrtc.c
38579 +++ b/drivers/char/genrtc.c
38580 @@ -273,6 +273,7 @@ static int gen_rtc_ioctl(struct file *file,
38581 switch (cmd) {
38582
38583 case RTC_PLL_GET:
38584 + memset(&pll, 0, sizeof(pll));
38585 if (get_rtc_pll(&pll))
38586 return -EINVAL;
38587 else
38588 diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
38589 index d5d4cd8..22d561d 100644
38590 --- a/drivers/char/hpet.c
38591 +++ b/drivers/char/hpet.c
38592 @@ -575,7 +575,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets,
38593 }
38594
38595 static int
38596 -hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg,
38597 +hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg,
38598 struct hpet_info *info)
38599 {
38600 struct hpet_timer __iomem *timer;
38601 diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
38602 index f816211..89eadea 100644
38603 --- a/drivers/char/ipmi/ipmi_msghandler.c
38604 +++ b/drivers/char/ipmi/ipmi_msghandler.c
38605 @@ -438,7 +438,7 @@ struct ipmi_smi {
38606 struct proc_dir_entry *proc_dir;
38607 char proc_dir_name[10];
38608
38609 - atomic_t stats[IPMI_NUM_STATS];
38610 + atomic_unchecked_t stats[IPMI_NUM_STATS];
38611
38612 /*
38613 * run_to_completion duplicate of smb_info, smi_info
38614 @@ -470,9 +470,9 @@ static LIST_HEAD(smi_watchers);
38615 static DEFINE_MUTEX(smi_watchers_mutex);
38616
38617 #define ipmi_inc_stat(intf, stat) \
38618 - atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat])
38619 + atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])
38620 #define ipmi_get_stat(intf, stat) \
38621 - ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat]))
38622 + ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]))
38623
38624 static int is_lan_addr(struct ipmi_addr *addr)
38625 {
38626 @@ -2925,7 +2925,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
38627 INIT_LIST_HEAD(&intf->cmd_rcvrs);
38628 init_waitqueue_head(&intf->waitq);
38629 for (i = 0; i < IPMI_NUM_STATS; i++)
38630 - atomic_set(&intf->stats[i], 0);
38631 + atomic_set_unchecked(&intf->stats[i], 0);
38632
38633 intf->proc_dir = NULL;
38634
38635 diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
38636 index 5c4e1f6..0ea58f9 100644
38637 --- a/drivers/char/ipmi/ipmi_si_intf.c
38638 +++ b/drivers/char/ipmi/ipmi_si_intf.c
38639 @@ -285,7 +285,7 @@ struct smi_info {
38640 unsigned char slave_addr;
38641
38642 /* Counters and things for the proc filesystem. */
38643 - atomic_t stats[SI_NUM_STATS];
38644 + atomic_unchecked_t stats[SI_NUM_STATS];
38645
38646 struct task_struct *thread;
38647
38648 @@ -294,9 +294,9 @@ struct smi_info {
38649 };
38650
38651 #define smi_inc_stat(smi, stat) \
38652 - atomic_inc(&(smi)->stats[SI_STAT_ ## stat])
38653 + atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat])
38654 #define smi_get_stat(smi, stat) \
38655 - ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat]))
38656 + ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat]))
38657
38658 #define SI_MAX_PARMS 4
38659
38660 @@ -3377,7 +3377,7 @@ static int try_smi_init(struct smi_info *new_smi)
38661 atomic_set(&new_smi->req_events, 0);
38662 new_smi->run_to_completion = false;
38663 for (i = 0; i < SI_NUM_STATS; i++)
38664 - atomic_set(&new_smi->stats[i], 0);
38665 + atomic_set_unchecked(&new_smi->stats[i], 0);
38666
38667 new_smi->interrupt_disabled = true;
38668 atomic_set(&new_smi->stop_operation, 0);
38669 diff --git a/drivers/char/mem.c b/drivers/char/mem.c
38670 index 524b707..29d07c1 100644
38671 --- a/drivers/char/mem.c
38672 +++ b/drivers/char/mem.c
38673 @@ -18,6 +18,7 @@
38674 #include <linux/raw.h>
38675 #include <linux/tty.h>
38676 #include <linux/capability.h>
38677 +#include <linux/security.h>
38678 #include <linux/ptrace.h>
38679 #include <linux/device.h>
38680 #include <linux/highmem.h>
38681 @@ -36,6 +37,10 @@
38682
38683 #define DEVPORT_MINOR 4
38684
38685 +#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
38686 +extern const struct file_operations grsec_fops;
38687 +#endif
38688 +
38689 static inline unsigned long size_inside_page(unsigned long start,
38690 unsigned long size)
38691 {
38692 @@ -67,9 +72,13 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
38693
38694 while (cursor < to) {
38695 if (!devmem_is_allowed(pfn)) {
38696 +#ifdef CONFIG_GRKERNSEC_KMEM
38697 + gr_handle_mem_readwrite(from, to);
38698 +#else
38699 printk(KERN_INFO
38700 "Program %s tried to access /dev/mem between %Lx->%Lx.\n",
38701 current->comm, from, to);
38702 +#endif
38703 return 0;
38704 }
38705 cursor += PAGE_SIZE;
38706 @@ -77,6 +86,11 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
38707 }
38708 return 1;
38709 }
38710 +#elif defined(CONFIG_GRKERNSEC_KMEM)
38711 +static inline int range_is_allowed(unsigned long pfn, unsigned long size)
38712 +{
38713 + return 0;
38714 +}
38715 #else
38716 static inline int range_is_allowed(unsigned long pfn, unsigned long size)
38717 {
38718 @@ -122,6 +136,7 @@ static ssize_t read_mem(struct file *file, char __user *buf,
38719
38720 while (count > 0) {
38721 unsigned long remaining;
38722 + char *temp;
38723
38724 sz = size_inside_page(p, count);
38725
38726 @@ -137,7 +152,23 @@ static ssize_t read_mem(struct file *file, char __user *buf,
38727 if (!ptr)
38728 return -EFAULT;
38729
38730 - remaining = copy_to_user(buf, ptr, sz);
38731 +#ifdef CONFIG_PAX_USERCOPY
38732 + temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
38733 + if (!temp) {
38734 + unxlate_dev_mem_ptr(p, ptr);
38735 + return -ENOMEM;
38736 + }
38737 + memcpy(temp, ptr, sz);
38738 +#else
38739 + temp = ptr;
38740 +#endif
38741 +
38742 + remaining = copy_to_user(buf, temp, sz);
38743 +
38744 +#ifdef CONFIG_PAX_USERCOPY
38745 + kfree(temp);
38746 +#endif
38747 +
38748 unxlate_dev_mem_ptr(p, ptr);
38749 if (remaining)
38750 return -EFAULT;
38751 @@ -369,9 +400,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
38752 size_t count, loff_t *ppos)
38753 {
38754 unsigned long p = *ppos;
38755 - ssize_t low_count, read, sz;
38756 + ssize_t low_count, read, sz, err = 0;
38757 char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */
38758 - int err = 0;
38759
38760 read = 0;
38761 if (p < (unsigned long) high_memory) {
38762 @@ -393,6 +423,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
38763 }
38764 #endif
38765 while (low_count > 0) {
38766 + char *temp;
38767 +
38768 sz = size_inside_page(p, low_count);
38769
38770 /*
38771 @@ -402,7 +434,22 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
38772 */
38773 kbuf = xlate_dev_kmem_ptr((char *)p);
38774
38775 - if (copy_to_user(buf, kbuf, sz))
38776 +#ifdef CONFIG_PAX_USERCOPY
38777 + temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY);
38778 + if (!temp)
38779 + return -ENOMEM;
38780 + memcpy(temp, kbuf, sz);
38781 +#else
38782 + temp = kbuf;
38783 +#endif
38784 +
38785 + err = copy_to_user(buf, temp, sz);
38786 +
38787 +#ifdef CONFIG_PAX_USERCOPY
38788 + kfree(temp);
38789 +#endif
38790 +
38791 + if (err)
38792 return -EFAULT;
38793 buf += sz;
38794 p += sz;
38795 @@ -797,6 +844,9 @@ static const struct memdev {
38796 #ifdef CONFIG_PRINTK
38797 [11] = { "kmsg", 0644, &kmsg_fops, NULL },
38798 #endif
38799 +#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
38800 + [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, NULL },
38801 +#endif
38802 };
38803
38804 static int memory_open(struct inode *inode, struct file *filp)
38805 @@ -868,7 +918,7 @@ static int __init chr_dev_init(void)
38806 continue;
38807
38808 device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor),
38809 - NULL, devlist[minor].name);
38810 + NULL, "%s", devlist[minor].name);
38811 }
38812
38813 return tty_init();
38814 diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
38815 index 9df78e2..01ba9ae 100644
38816 --- a/drivers/char/nvram.c
38817 +++ b/drivers/char/nvram.c
38818 @@ -247,7 +247,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf,
38819
38820 spin_unlock_irq(&rtc_lock);
38821
38822 - if (copy_to_user(buf, contents, tmp - contents))
38823 + if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents))
38824 return -EFAULT;
38825
38826 *ppos = i;
38827 diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
38828 index 0ea9986..e7b07e4 100644
38829 --- a/drivers/char/pcmcia/synclink_cs.c
38830 +++ b/drivers/char/pcmcia/synclink_cs.c
38831 @@ -2345,7 +2345,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
38832
38833 if (debug_level >= DEBUG_LEVEL_INFO)
38834 printk("%s(%d):mgslpc_close(%s) entry, count=%d\n",
38835 - __FILE__, __LINE__, info->device_name, port->count);
38836 + __FILE__, __LINE__, info->device_name, atomic_read(&port->count));
38837
38838 if (tty_port_close_start(port, tty, filp) == 0)
38839 goto cleanup;
38840 @@ -2363,7 +2363,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
38841 cleanup:
38842 if (debug_level >= DEBUG_LEVEL_INFO)
38843 printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__, __LINE__,
38844 - tty->driver->name, port->count);
38845 + tty->driver->name, atomic_read(&port->count));
38846 }
38847
38848 /* Wait until the transmitter is empty.
38849 @@ -2505,7 +2505,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
38850
38851 if (debug_level >= DEBUG_LEVEL_INFO)
38852 printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
38853 - __FILE__, __LINE__, tty->driver->name, port->count);
38854 + __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count));
38855
38856 /* If port is closing, signal caller to try again */
38857 if (port->flags & ASYNC_CLOSING){
38858 @@ -2525,11 +2525,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
38859 goto cleanup;
38860 }
38861 spin_lock(&port->lock);
38862 - port->count++;
38863 + atomic_inc(&port->count);
38864 spin_unlock(&port->lock);
38865 spin_unlock_irqrestore(&info->netlock, flags);
38866
38867 - if (port->count == 1) {
38868 + if (atomic_read(&port->count) == 1) {
38869 /* 1st open on this device, init hardware */
38870 retval = startup(info, tty);
38871 if (retval < 0)
38872 @@ -3918,7 +3918,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
38873 unsigned short new_crctype;
38874
38875 /* return error if TTY interface open */
38876 - if (info->port.count)
38877 + if (atomic_read(&info->port.count))
38878 return -EBUSY;
38879
38880 switch (encoding)
38881 @@ -4022,7 +4022,7 @@ static int hdlcdev_open(struct net_device *dev)
38882
38883 /* arbitrate between network and tty opens */
38884 spin_lock_irqsave(&info->netlock, flags);
38885 - if (info->port.count != 0 || info->netcount != 0) {
38886 + if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
38887 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
38888 spin_unlock_irqrestore(&info->netlock, flags);
38889 return -EBUSY;
38890 @@ -4112,7 +4112,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
38891 printk("%s:hdlcdev_ioctl(%s)\n", __FILE__, dev->name);
38892
38893 /* return error if TTY interface open */
38894 - if (info->port.count)
38895 + if (atomic_read(&info->port.count))
38896 return -EBUSY;
38897
38898 if (cmd != SIOCWANDEV)
38899 diff --git a/drivers/char/random.c b/drivers/char/random.c
38900 index 04645c0..560e350 100644
38901 --- a/drivers/char/random.c
38902 +++ b/drivers/char/random.c
38903 @@ -289,9 +289,6 @@
38904 /*
38905 * To allow fractional bits to be tracked, the entropy_count field is
38906 * denominated in units of 1/8th bits.
38907 - *
38908 - * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in
38909 - * credit_entropy_bits() needs to be 64 bits wide.
38910 */
38911 #define ENTROPY_SHIFT 3
38912 #define ENTROPY_BITS(r) ((r)->entropy_count >> ENTROPY_SHIFT)
38913 @@ -439,9 +436,9 @@ struct entropy_store {
38914 };
38915
38916 static void push_to_pool(struct work_struct *work);
38917 -static __u32 input_pool_data[INPUT_POOL_WORDS];
38918 -static __u32 blocking_pool_data[OUTPUT_POOL_WORDS];
38919 -static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS];
38920 +static __u32 input_pool_data[INPUT_POOL_WORDS] __latent_entropy;
38921 +static __u32 blocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy;
38922 +static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy;
38923
38924 static struct entropy_store input_pool = {
38925 .poolinfo = &poolinfo_table[0],
38926 @@ -635,7 +632,7 @@ retry:
38927 /* The +2 corresponds to the /4 in the denominator */
38928
38929 do {
38930 - unsigned int anfrac = min(pnfrac, pool_size/2);
38931 + u64 anfrac = min(pnfrac, pool_size/2);
38932 unsigned int add =
38933 ((pool_size - entropy_count)*anfrac*3) >> s;
38934
38935 @@ -1207,7 +1204,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
38936
38937 extract_buf(r, tmp);
38938 i = min_t(int, nbytes, EXTRACT_SIZE);
38939 - if (copy_to_user(buf, tmp, i)) {
38940 + if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) {
38941 ret = -EFAULT;
38942 break;
38943 }
38944 @@ -1590,7 +1587,7 @@ static char sysctl_bootid[16];
38945 static int proc_do_uuid(struct ctl_table *table, int write,
38946 void __user *buffer, size_t *lenp, loff_t *ppos)
38947 {
38948 - struct ctl_table fake_table;
38949 + ctl_table_no_const fake_table;
38950 unsigned char buf[64], tmp_uuid[16], *uuid;
38951
38952 uuid = table->data;
38953 @@ -1620,7 +1617,7 @@ static int proc_do_uuid(struct ctl_table *table, int write,
38954 static int proc_do_entropy(struct ctl_table *table, int write,
38955 void __user *buffer, size_t *lenp, loff_t *ppos)
38956 {
38957 - struct ctl_table fake_table;
38958 + ctl_table_no_const fake_table;
38959 int entropy_count;
38960
38961 entropy_count = *(int *)table->data >> ENTROPY_SHIFT;
38962 diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
38963 index 7cc1fe22..b602d6b 100644
38964 --- a/drivers/char/sonypi.c
38965 +++ b/drivers/char/sonypi.c
38966 @@ -54,6 +54,7 @@
38967
38968 #include <asm/uaccess.h>
38969 #include <asm/io.h>
38970 +#include <asm/local.h>
38971
38972 #include <linux/sonypi.h>
38973
38974 @@ -490,7 +491,7 @@ static struct sonypi_device {
38975 spinlock_t fifo_lock;
38976 wait_queue_head_t fifo_proc_list;
38977 struct fasync_struct *fifo_async;
38978 - int open_count;
38979 + local_t open_count;
38980 int model;
38981 struct input_dev *input_jog_dev;
38982 struct input_dev *input_key_dev;
38983 @@ -892,7 +893,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on)
38984 static int sonypi_misc_release(struct inode *inode, struct file *file)
38985 {
38986 mutex_lock(&sonypi_device.lock);
38987 - sonypi_device.open_count--;
38988 + local_dec(&sonypi_device.open_count);
38989 mutex_unlock(&sonypi_device.lock);
38990 return 0;
38991 }
38992 @@ -901,9 +902,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file)
38993 {
38994 mutex_lock(&sonypi_device.lock);
38995 /* Flush input queue on first open */
38996 - if (!sonypi_device.open_count)
38997 + if (!local_read(&sonypi_device.open_count))
38998 kfifo_reset(&sonypi_device.fifo);
38999 - sonypi_device.open_count++;
39000 + local_inc(&sonypi_device.open_count);
39001 mutex_unlock(&sonypi_device.lock);
39002
39003 return 0;
39004 diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c
39005 index 565a947..dcdc06e 100644
39006 --- a/drivers/char/tpm/tpm_acpi.c
39007 +++ b/drivers/char/tpm/tpm_acpi.c
39008 @@ -98,11 +98,12 @@ int read_log(struct tpm_bios_log *log)
39009 virt = acpi_os_map_iomem(start, len);
39010 if (!virt) {
39011 kfree(log->bios_event_log);
39012 + log->bios_event_log = NULL;
39013 printk("%s: ERROR - Unable to map memory\n", __func__);
39014 return -EIO;
39015 }
39016
39017 - memcpy_fromio(log->bios_event_log, virt, len);
39018 + memcpy_fromio(log->bios_event_log, (const char __force_kernel *)virt, len);
39019
39020 acpi_os_unmap_iomem(virt, len);
39021 return 0;
39022 diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
39023 index 3a56a13..f8cbd25 100644
39024 --- a/drivers/char/tpm/tpm_eventlog.c
39025 +++ b/drivers/char/tpm/tpm_eventlog.c
39026 @@ -95,7 +95,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos)
39027 event = addr;
39028
39029 if ((event->event_type == 0 && event->event_size == 0) ||
39030 - ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit))
39031 + (event->event_size >= limit - addr - sizeof(struct tcpa_event)))
39032 return NULL;
39033
39034 return addr;
39035 @@ -120,7 +120,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v,
39036 return NULL;
39037
39038 if ((event->event_type == 0 && event->event_size == 0) ||
39039 - ((v + sizeof(struct tcpa_event) + event->event_size) >= limit))
39040 + (event->event_size >= limit - v - sizeof(struct tcpa_event)))
39041 return NULL;
39042
39043 (*pos)++;
39044 @@ -213,7 +213,8 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
39045 int i;
39046
39047 for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++)
39048 - seq_putc(m, data[i]);
39049 + if (!seq_putc(m, data[i]))
39050 + return -EFAULT;
39051
39052 return 0;
39053 }
39054 diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
39055 index cf7a561..c319ce0 100644
39056 --- a/drivers/char/virtio_console.c
39057 +++ b/drivers/char/virtio_console.c
39058 @@ -684,7 +684,7 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count,
39059 if (to_user) {
39060 ssize_t ret;
39061
39062 - ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count);
39063 + ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count);
39064 if (ret)
39065 return -EFAULT;
39066 } else {
39067 @@ -787,7 +787,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
39068 if (!port_has_data(port) && !port->host_connected)
39069 return 0;
39070
39071 - return fill_readbuf(port, ubuf, count, true);
39072 + return fill_readbuf(port, (char __force_kernel *)ubuf, count, true);
39073 }
39074
39075 static int wait_port_writable(struct port *port, bool nonblock)
39076 diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
39077 index b9355da..9611f4e 100644
39078 --- a/drivers/clk/clk-composite.c
39079 +++ b/drivers/clk/clk-composite.c
39080 @@ -191,7 +191,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name,
39081 struct clk *clk;
39082 struct clk_init_data init;
39083 struct clk_composite *composite;
39084 - struct clk_ops *clk_composite_ops;
39085 + clk_ops_no_const *clk_composite_ops;
39086
39087 composite = kzalloc(sizeof(*composite), GFP_KERNEL);
39088 if (!composite) {
39089 diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
39090 index dd3a78c..386d49c 100644
39091 --- a/drivers/clk/socfpga/clk-gate.c
39092 +++ b/drivers/clk/socfpga/clk-gate.c
39093 @@ -22,6 +22,7 @@
39094 #include <linux/mfd/syscon.h>
39095 #include <linux/of.h>
39096 #include <linux/regmap.h>
39097 +#include <asm/pgtable.h>
39098
39099 #include "clk.h"
39100
39101 @@ -174,7 +175,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk)
39102 return 0;
39103 }
39104
39105 -static struct clk_ops gateclk_ops = {
39106 +static clk_ops_no_const gateclk_ops __read_only = {
39107 .prepare = socfpga_clk_prepare,
39108 .recalc_rate = socfpga_clk_recalc_rate,
39109 .get_parent = socfpga_clk_get_parent,
39110 @@ -208,8 +209,10 @@ static void __init __socfpga_gate_init(struct device_node *node,
39111 socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0];
39112 socfpga_clk->hw.bit_idx = clk_gate[1];
39113
39114 - gateclk_ops.enable = clk_gate_ops.enable;
39115 - gateclk_ops.disable = clk_gate_ops.disable;
39116 + pax_open_kernel();
39117 + *(void **)&gateclk_ops.enable = clk_gate_ops.enable;
39118 + *(void **)&gateclk_ops.disable = clk_gate_ops.disable;
39119 + pax_close_kernel();
39120 }
39121
39122 rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
39123 diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
39124 index de6da95..c98278b 100644
39125 --- a/drivers/clk/socfpga/clk-pll.c
39126 +++ b/drivers/clk/socfpga/clk-pll.c
39127 @@ -21,6 +21,7 @@
39128 #include <linux/io.h>
39129 #include <linux/of.h>
39130 #include <linux/of_address.h>
39131 +#include <asm/pgtable.h>
39132
39133 #include "clk.h"
39134
39135 @@ -76,7 +77,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk)
39136 CLK_MGR_PLL_CLK_SRC_MASK;
39137 }
39138
39139 -static struct clk_ops clk_pll_ops = {
39140 +static clk_ops_no_const clk_pll_ops __read_only = {
39141 .recalc_rate = clk_pll_recalc_rate,
39142 .get_parent = clk_pll_get_parent,
39143 };
39144 @@ -120,8 +121,10 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node,
39145 pll_clk->hw.hw.init = &init;
39146
39147 pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
39148 - clk_pll_ops.enable = clk_gate_ops.enable;
39149 - clk_pll_ops.disable = clk_gate_ops.disable;
39150 + pax_open_kernel();
39151 + *(void **)&clk_pll_ops.enable = clk_gate_ops.enable;
39152 + *(void **)&clk_pll_ops.disable = clk_gate_ops.disable;
39153 + pax_close_kernel();
39154
39155 clk = clk_register(NULL, &pll_clk->hw.hw);
39156 if (WARN_ON(IS_ERR(clk))) {
39157 diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
39158 index b0c18ed..1713a80 100644
39159 --- a/drivers/cpufreq/acpi-cpufreq.c
39160 +++ b/drivers/cpufreq/acpi-cpufreq.c
39161 @@ -675,8 +675,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
39162 data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu);
39163 per_cpu(acfreq_data, cpu) = data;
39164
39165 - if (cpu_has(c, X86_FEATURE_CONSTANT_TSC))
39166 - acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
39167 + if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
39168 + pax_open_kernel();
39169 + *(u8 *)&acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
39170 + pax_close_kernel();
39171 + }
39172
39173 result = acpi_processor_register_performance(data->acpi_data, cpu);
39174 if (result)
39175 @@ -809,7 +812,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
39176 policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu);
39177 break;
39178 case ACPI_ADR_SPACE_FIXED_HARDWARE:
39179 - acpi_cpufreq_driver.get = get_cur_freq_on_cpu;
39180 + pax_open_kernel();
39181 + *(void **)&acpi_cpufreq_driver.get = get_cur_freq_on_cpu;
39182 + pax_close_kernel();
39183 break;
39184 default:
39185 break;
39186 @@ -903,8 +908,10 @@ static void __init acpi_cpufreq_boost_init(void)
39187 if (!msrs)
39188 return;
39189
39190 - acpi_cpufreq_driver.boost_supported = true;
39191 - acpi_cpufreq_driver.boost_enabled = boost_state(0);
39192 + pax_open_kernel();
39193 + *(bool *)&acpi_cpufreq_driver.boost_supported = true;
39194 + *(bool *)&acpi_cpufreq_driver.boost_enabled = boost_state(0);
39195 + pax_close_kernel();
39196
39197 cpu_notifier_register_begin();
39198
39199 diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
39200 index f657c57..31d97ae 100644
39201 --- a/drivers/cpufreq/cpufreq-dt.c
39202 +++ b/drivers/cpufreq/cpufreq-dt.c
39203 @@ -362,7 +362,9 @@ static int dt_cpufreq_probe(struct platform_device *pdev)
39204 if (!IS_ERR(cpu_reg))
39205 regulator_put(cpu_reg);
39206
39207 - dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev);
39208 + pax_open_kernel();
39209 + *(void **)&dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev);
39210 + pax_close_kernel();
39211
39212 ret = cpufreq_register_driver(&dt_cpufreq_driver);
39213 if (ret)
39214 diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
39215 index 4473eba..a4c9dc2 100644
39216 --- a/drivers/cpufreq/cpufreq.c
39217 +++ b/drivers/cpufreq/cpufreq.c
39218 @@ -2122,7 +2122,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor)
39219 }
39220
39221 mutex_lock(&cpufreq_governor_mutex);
39222 - list_del(&governor->governor_list);
39223 + pax_list_del(&governor->governor_list);
39224 mutex_unlock(&cpufreq_governor_mutex);
39225 return;
39226 }
39227 @@ -2338,7 +2338,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb,
39228 return NOTIFY_OK;
39229 }
39230
39231 -static struct notifier_block __refdata cpufreq_cpu_notifier = {
39232 +static struct notifier_block cpufreq_cpu_notifier = {
39233 .notifier_call = cpufreq_cpu_callback,
39234 };
39235
39236 @@ -2378,13 +2378,17 @@ int cpufreq_boost_trigger_state(int state)
39237 return 0;
39238
39239 write_lock_irqsave(&cpufreq_driver_lock, flags);
39240 - cpufreq_driver->boost_enabled = state;
39241 + pax_open_kernel();
39242 + *(bool *)&cpufreq_driver->boost_enabled = state;
39243 + pax_close_kernel();
39244 write_unlock_irqrestore(&cpufreq_driver_lock, flags);
39245
39246 ret = cpufreq_driver->set_boost(state);
39247 if (ret) {
39248 write_lock_irqsave(&cpufreq_driver_lock, flags);
39249 - cpufreq_driver->boost_enabled = !state;
39250 + pax_open_kernel();
39251 + *(bool *)&cpufreq_driver->boost_enabled = !state;
39252 + pax_close_kernel();
39253 write_unlock_irqrestore(&cpufreq_driver_lock, flags);
39254
39255 pr_err("%s: Cannot %s BOOST\n",
39256 @@ -2441,8 +2445,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
39257
39258 pr_debug("trying to register driver %s\n", driver_data->name);
39259
39260 - if (driver_data->setpolicy)
39261 - driver_data->flags |= CPUFREQ_CONST_LOOPS;
39262 + if (driver_data->setpolicy) {
39263 + pax_open_kernel();
39264 + *(u8 *)&driver_data->flags |= CPUFREQ_CONST_LOOPS;
39265 + pax_close_kernel();
39266 + }
39267
39268 write_lock_irqsave(&cpufreq_driver_lock, flags);
39269 if (cpufreq_driver) {
39270 @@ -2457,8 +2464,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
39271 * Check if driver provides function to enable boost -
39272 * if not, use cpufreq_boost_set_sw as default
39273 */
39274 - if (!cpufreq_driver->set_boost)
39275 - cpufreq_driver->set_boost = cpufreq_boost_set_sw;
39276 + if (!cpufreq_driver->set_boost) {
39277 + pax_open_kernel();
39278 + *(void **)&cpufreq_driver->set_boost = cpufreq_boost_set_sw;
39279 + pax_close_kernel();
39280 + }
39281
39282 ret = cpufreq_sysfs_create_file(&boost.attr);
39283 if (ret) {
39284 diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
39285 index 1b44496..b80ff5e 100644
39286 --- a/drivers/cpufreq/cpufreq_governor.c
39287 +++ b/drivers/cpufreq/cpufreq_governor.c
39288 @@ -245,7 +245,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
39289 struct dbs_data *dbs_data;
39290 struct od_cpu_dbs_info_s *od_dbs_info = NULL;
39291 struct cs_cpu_dbs_info_s *cs_dbs_info = NULL;
39292 - struct od_ops *od_ops = NULL;
39293 + const struct od_ops *od_ops = NULL;
39294 struct od_dbs_tuners *od_tuners = NULL;
39295 struct cs_dbs_tuners *cs_tuners = NULL;
39296 struct cpu_dbs_common_info *cpu_cdbs;
39297 @@ -311,7 +311,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
39298
39299 if ((cdata->governor == GOV_CONSERVATIVE) &&
39300 (!policy->governor->initialized)) {
39301 - struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
39302 + const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
39303
39304 cpufreq_register_notifier(cs_ops->notifier_block,
39305 CPUFREQ_TRANSITION_NOTIFIER);
39306 @@ -331,7 +331,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
39307
39308 if ((dbs_data->cdata->governor == GOV_CONSERVATIVE) &&
39309 (policy->governor->initialized == 1)) {
39310 - struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
39311 + const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
39312
39313 cpufreq_unregister_notifier(cs_ops->notifier_block,
39314 CPUFREQ_TRANSITION_NOTIFIER);
39315 diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
39316 index cc401d1..8197340 100644
39317 --- a/drivers/cpufreq/cpufreq_governor.h
39318 +++ b/drivers/cpufreq/cpufreq_governor.h
39319 @@ -212,7 +212,7 @@ struct common_dbs_data {
39320 void (*exit)(struct dbs_data *dbs_data);
39321
39322 /* Governor specific ops, see below */
39323 - void *gov_ops;
39324 + const void *gov_ops;
39325 };
39326
39327 /* Governor Per policy data */
39328 @@ -232,7 +232,7 @@ struct od_ops {
39329 unsigned int (*powersave_bias_target)(struct cpufreq_policy *policy,
39330 unsigned int freq_next, unsigned int relation);
39331 void (*freq_increase)(struct cpufreq_policy *policy, unsigned int freq);
39332 -};
39333 +} __no_const;
39334
39335 struct cs_ops {
39336 struct notifier_block *notifier_block;
39337 diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
39338 index ad3f38f..8f086cd 100644
39339 --- a/drivers/cpufreq/cpufreq_ondemand.c
39340 +++ b/drivers/cpufreq/cpufreq_ondemand.c
39341 @@ -524,7 +524,7 @@ static void od_exit(struct dbs_data *dbs_data)
39342
39343 define_get_cpu_dbs_routines(od_cpu_dbs_info);
39344
39345 -static struct od_ops od_ops = {
39346 +static struct od_ops od_ops __read_only = {
39347 .powersave_bias_init_cpu = ondemand_powersave_bias_init_cpu,
39348 .powersave_bias_target = generic_powersave_bias_target,
39349 .freq_increase = dbs_freq_increase,
39350 @@ -579,14 +579,18 @@ void od_register_powersave_bias_handler(unsigned int (*f)
39351 (struct cpufreq_policy *, unsigned int, unsigned int),
39352 unsigned int powersave_bias)
39353 {
39354 - od_ops.powersave_bias_target = f;
39355 + pax_open_kernel();
39356 + *(void **)&od_ops.powersave_bias_target = f;
39357 + pax_close_kernel();
39358 od_set_powersave_bias(powersave_bias);
39359 }
39360 EXPORT_SYMBOL_GPL(od_register_powersave_bias_handler);
39361
39362 void od_unregister_powersave_bias_handler(void)
39363 {
39364 - od_ops.powersave_bias_target = generic_powersave_bias_target;
39365 + pax_open_kernel();
39366 + *(void **)&od_ops.powersave_bias_target = generic_powersave_bias_target;
39367 + pax_close_kernel();
39368 od_set_powersave_bias(0);
39369 }
39370 EXPORT_SYMBOL_GPL(od_unregister_powersave_bias_handler);
39371 diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
39372 index 27bb6d3..4cf595c 100644
39373 --- a/drivers/cpufreq/intel_pstate.c
39374 +++ b/drivers/cpufreq/intel_pstate.c
39375 @@ -133,10 +133,10 @@ struct pstate_funcs {
39376 struct cpu_defaults {
39377 struct pstate_adjust_policy pid_policy;
39378 struct pstate_funcs funcs;
39379 -};
39380 +} __do_const;
39381
39382 static struct pstate_adjust_policy pid_params;
39383 -static struct pstate_funcs pstate_funcs;
39384 +static struct pstate_funcs *pstate_funcs;
39385
39386 struct perf_limits {
39387 int no_turbo;
39388 @@ -594,18 +594,18 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
39389
39390 cpu->pstate.current_pstate = pstate;
39391
39392 - pstate_funcs.set(cpu, pstate);
39393 + pstate_funcs->set(cpu, pstate);
39394 }
39395
39396 static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
39397 {
39398 - cpu->pstate.min_pstate = pstate_funcs.get_min();
39399 - cpu->pstate.max_pstate = pstate_funcs.get_max();
39400 - cpu->pstate.turbo_pstate = pstate_funcs.get_turbo();
39401 - cpu->pstate.scaling = pstate_funcs.get_scaling();
39402 + cpu->pstate.min_pstate = pstate_funcs->get_min();
39403 + cpu->pstate.max_pstate = pstate_funcs->get_max();
39404 + cpu->pstate.turbo_pstate = pstate_funcs->get_turbo();
39405 + cpu->pstate.scaling = pstate_funcs->get_scaling();
39406
39407 - if (pstate_funcs.get_vid)
39408 - pstate_funcs.get_vid(cpu);
39409 + if (pstate_funcs->get_vid)
39410 + pstate_funcs->get_vid(cpu);
39411 intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate);
39412 }
39413
39414 @@ -875,9 +875,9 @@ static int intel_pstate_msrs_not_valid(void)
39415 rdmsrl(MSR_IA32_APERF, aperf);
39416 rdmsrl(MSR_IA32_MPERF, mperf);
39417
39418 - if (!pstate_funcs.get_max() ||
39419 - !pstate_funcs.get_min() ||
39420 - !pstate_funcs.get_turbo())
39421 + if (!pstate_funcs->get_max() ||
39422 + !pstate_funcs->get_min() ||
39423 + !pstate_funcs->get_turbo())
39424 return -ENODEV;
39425
39426 rdmsrl(MSR_IA32_APERF, tmp);
39427 @@ -891,7 +891,7 @@ static int intel_pstate_msrs_not_valid(void)
39428 return 0;
39429 }
39430
39431 -static void copy_pid_params(struct pstate_adjust_policy *policy)
39432 +static void copy_pid_params(const struct pstate_adjust_policy *policy)
39433 {
39434 pid_params.sample_rate_ms = policy->sample_rate_ms;
39435 pid_params.p_gain_pct = policy->p_gain_pct;
39436 @@ -903,12 +903,7 @@ static void copy_pid_params(struct pstate_adjust_policy *policy)
39437
39438 static void copy_cpu_funcs(struct pstate_funcs *funcs)
39439 {
39440 - pstate_funcs.get_max = funcs->get_max;
39441 - pstate_funcs.get_min = funcs->get_min;
39442 - pstate_funcs.get_turbo = funcs->get_turbo;
39443 - pstate_funcs.get_scaling = funcs->get_scaling;
39444 - pstate_funcs.set = funcs->set;
39445 - pstate_funcs.get_vid = funcs->get_vid;
39446 + pstate_funcs = funcs;
39447 }
39448
39449 #if IS_ENABLED(CONFIG_ACPI)
39450 diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c
39451 index 529cfd9..0e28fff 100644
39452 --- a/drivers/cpufreq/p4-clockmod.c
39453 +++ b/drivers/cpufreq/p4-clockmod.c
39454 @@ -134,10 +134,14 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
39455 case 0x0F: /* Core Duo */
39456 case 0x16: /* Celeron Core */
39457 case 0x1C: /* Atom */
39458 - p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39459 + pax_open_kernel();
39460 + *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39461 + pax_close_kernel();
39462 return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE);
39463 case 0x0D: /* Pentium M (Dothan) */
39464 - p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39465 + pax_open_kernel();
39466 + *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39467 + pax_close_kernel();
39468 /* fall through */
39469 case 0x09: /* Pentium M (Banias) */
39470 return speedstep_get_frequency(SPEEDSTEP_CPU_PM);
39471 @@ -149,7 +153,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
39472
39473 /* on P-4s, the TSC runs with constant frequency independent whether
39474 * throttling is active or not. */
39475 - p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39476 + pax_open_kernel();
39477 + *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
39478 + pax_close_kernel();
39479
39480 if (speedstep_detect_processor() == SPEEDSTEP_CPU_P4M) {
39481 printk(KERN_WARNING PFX "Warning: Pentium 4-M detected. "
39482 diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c
39483 index 9bb42ba..b01b4a2 100644
39484 --- a/drivers/cpufreq/sparc-us3-cpufreq.c
39485 +++ b/drivers/cpufreq/sparc-us3-cpufreq.c
39486 @@ -18,14 +18,12 @@
39487 #include <asm/head.h>
39488 #include <asm/timer.h>
39489
39490 -static struct cpufreq_driver *cpufreq_us3_driver;
39491 -
39492 struct us3_freq_percpu_info {
39493 struct cpufreq_frequency_table table[4];
39494 };
39495
39496 /* Indexed by cpu number. */
39497 -static struct us3_freq_percpu_info *us3_freq_table;
39498 +static struct us3_freq_percpu_info us3_freq_table[NR_CPUS];
39499
39500 /* UltraSPARC-III has three dividers: 1, 2, and 32. These are controlled
39501 * in the Safari config register.
39502 @@ -156,16 +154,27 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
39503
39504 static int us3_freq_cpu_exit(struct cpufreq_policy *policy)
39505 {
39506 - if (cpufreq_us3_driver)
39507 - us3_freq_target(policy, 0);
39508 + us3_freq_target(policy, 0);
39509
39510 return 0;
39511 }
39512
39513 +static int __init us3_freq_init(void);
39514 +static void __exit us3_freq_exit(void);
39515 +
39516 +static struct cpufreq_driver cpufreq_us3_driver = {
39517 + .init = us3_freq_cpu_init,
39518 + .verify = cpufreq_generic_frequency_table_verify,
39519 + .target_index = us3_freq_target,
39520 + .get = us3_freq_get,
39521 + .exit = us3_freq_cpu_exit,
39522 + .name = "UltraSPARC-III",
39523 +
39524 +};
39525 +
39526 static int __init us3_freq_init(void)
39527 {
39528 unsigned long manuf, impl, ver;
39529 - int ret;
39530
39531 if (tlb_type != cheetah && tlb_type != cheetah_plus)
39532 return -ENODEV;
39533 @@ -178,55 +187,15 @@ static int __init us3_freq_init(void)
39534 (impl == CHEETAH_IMPL ||
39535 impl == CHEETAH_PLUS_IMPL ||
39536 impl == JAGUAR_IMPL ||
39537 - impl == PANTHER_IMPL)) {
39538 - struct cpufreq_driver *driver;
39539 -
39540 - ret = -ENOMEM;
39541 - driver = kzalloc(sizeof(*driver), GFP_KERNEL);
39542 - if (!driver)
39543 - goto err_out;
39544 -
39545 - us3_freq_table = kzalloc((NR_CPUS * sizeof(*us3_freq_table)),
39546 - GFP_KERNEL);
39547 - if (!us3_freq_table)
39548 - goto err_out;
39549 -
39550 - driver->init = us3_freq_cpu_init;
39551 - driver->verify = cpufreq_generic_frequency_table_verify;
39552 - driver->target_index = us3_freq_target;
39553 - driver->get = us3_freq_get;
39554 - driver->exit = us3_freq_cpu_exit;
39555 - strcpy(driver->name, "UltraSPARC-III");
39556 -
39557 - cpufreq_us3_driver = driver;
39558 - ret = cpufreq_register_driver(driver);
39559 - if (ret)
39560 - goto err_out;
39561 -
39562 - return 0;
39563 -
39564 -err_out:
39565 - if (driver) {
39566 - kfree(driver);
39567 - cpufreq_us3_driver = NULL;
39568 - }
39569 - kfree(us3_freq_table);
39570 - us3_freq_table = NULL;
39571 - return ret;
39572 - }
39573 + impl == PANTHER_IMPL))
39574 + return cpufreq_register_driver(&cpufreq_us3_driver);
39575
39576 return -ENODEV;
39577 }
39578
39579 static void __exit us3_freq_exit(void)
39580 {
39581 - if (cpufreq_us3_driver) {
39582 - cpufreq_unregister_driver(cpufreq_us3_driver);
39583 - kfree(cpufreq_us3_driver);
39584 - cpufreq_us3_driver = NULL;
39585 - kfree(us3_freq_table);
39586 - us3_freq_table = NULL;
39587 - }
39588 + cpufreq_unregister_driver(&cpufreq_us3_driver);
39589 }
39590
39591 MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
39592 diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c
39593 index 7d4a315..21bb886 100644
39594 --- a/drivers/cpufreq/speedstep-centrino.c
39595 +++ b/drivers/cpufreq/speedstep-centrino.c
39596 @@ -351,8 +351,11 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
39597 !cpu_has(cpu, X86_FEATURE_EST))
39598 return -ENODEV;
39599
39600 - if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC))
39601 - centrino_driver.flags |= CPUFREQ_CONST_LOOPS;
39602 + if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) {
39603 + pax_open_kernel();
39604 + *(u8 *)&centrino_driver.flags |= CPUFREQ_CONST_LOOPS;
39605 + pax_close_kernel();
39606 + }
39607
39608 if (policy->cpu != 0)
39609 return -ENODEV;
39610 diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
39611 index e431d11..d0b997e 100644
39612 --- a/drivers/cpuidle/driver.c
39613 +++ b/drivers/cpuidle/driver.c
39614 @@ -194,7 +194,7 @@ static int poll_idle(struct cpuidle_device *dev,
39615
39616 static void poll_idle_init(struct cpuidle_driver *drv)
39617 {
39618 - struct cpuidle_state *state = &drv->states[0];
39619 + cpuidle_state_no_const *state = &drv->states[0];
39620
39621 snprintf(state->name, CPUIDLE_NAME_LEN, "POLL");
39622 snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE");
39623 diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
39624 index fb9f511..213e6cc 100644
39625 --- a/drivers/cpuidle/governor.c
39626 +++ b/drivers/cpuidle/governor.c
39627 @@ -87,7 +87,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
39628 mutex_lock(&cpuidle_lock);
39629 if (__cpuidle_find_governor(gov->name) == NULL) {
39630 ret = 0;
39631 - list_add_tail(&gov->governor_list, &cpuidle_governors);
39632 + pax_list_add_tail((struct list_head *)&gov->governor_list, &cpuidle_governors);
39633 if (!cpuidle_curr_governor ||
39634 cpuidle_curr_governor->rating < gov->rating)
39635 cpuidle_switch_governor(gov);
39636 diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
39637 index 97c5903..023ad23 100644
39638 --- a/drivers/cpuidle/sysfs.c
39639 +++ b/drivers/cpuidle/sysfs.c
39640 @@ -135,7 +135,7 @@ static struct attribute *cpuidle_switch_attrs[] = {
39641 NULL
39642 };
39643
39644 -static struct attribute_group cpuidle_attr_group = {
39645 +static attribute_group_no_const cpuidle_attr_group = {
39646 .attrs = cpuidle_default_attrs,
39647 .name = "cpuidle",
39648 };
39649 diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
39650 index 8d2a772..33826c9 100644
39651 --- a/drivers/crypto/hifn_795x.c
39652 +++ b/drivers/crypto/hifn_795x.c
39653 @@ -51,7 +51,7 @@ module_param_string(hifn_pll_ref, hifn_pll_ref, sizeof(hifn_pll_ref), 0444);
39654 MODULE_PARM_DESC(hifn_pll_ref,
39655 "PLL reference clock (pci[freq] or ext[freq], default ext)");
39656
39657 -static atomic_t hifn_dev_number;
39658 +static atomic_unchecked_t hifn_dev_number;
39659
39660 #define ACRYPTO_OP_DECRYPT 0
39661 #define ACRYPTO_OP_ENCRYPT 1
39662 @@ -2577,7 +2577,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)
39663 goto err_out_disable_pci_device;
39664
39665 snprintf(name, sizeof(name), "hifn%d",
39666 - atomic_inc_return(&hifn_dev_number)-1);
39667 + atomic_inc_return_unchecked(&hifn_dev_number)-1);
39668
39669 err = pci_request_regions(pdev, name);
39670 if (err)
39671 diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
39672 index 30b538d8..1610d75 100644
39673 --- a/drivers/devfreq/devfreq.c
39674 +++ b/drivers/devfreq/devfreq.c
39675 @@ -673,7 +673,7 @@ int devfreq_add_governor(struct devfreq_governor *governor)
39676 goto err_out;
39677 }
39678
39679 - list_add(&governor->node, &devfreq_governor_list);
39680 + pax_list_add((struct list_head *)&governor->node, &devfreq_governor_list);
39681
39682 list_for_each_entry(devfreq, &devfreq_list, node) {
39683 int ret = 0;
39684 @@ -761,7 +761,7 @@ int devfreq_remove_governor(struct devfreq_governor *governor)
39685 }
39686 }
39687
39688 - list_del(&governor->node);
39689 + pax_list_del((struct list_head *)&governor->node);
39690 err_out:
39691 mutex_unlock(&devfreq_list_lock);
39692
39693 diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
39694 index 42d4974..2714f36 100644
39695 --- a/drivers/dma/sh/shdma-base.c
39696 +++ b/drivers/dma/sh/shdma-base.c
39697 @@ -228,8 +228,8 @@ static int shdma_alloc_chan_resources(struct dma_chan *chan)
39698 schan->slave_id = -EINVAL;
39699 }
39700
39701 - schan->desc = kcalloc(NR_DESCS_PER_CHANNEL,
39702 - sdev->desc_size, GFP_KERNEL);
39703 + schan->desc = kcalloc(sdev->desc_size,
39704 + NR_DESCS_PER_CHANNEL, GFP_KERNEL);
39705 if (!schan->desc) {
39706 ret = -ENOMEM;
39707 goto edescalloc;
39708 diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
39709 index 58eb857..d7e42c8 100644
39710 --- a/drivers/dma/sh/shdmac.c
39711 +++ b/drivers/dma/sh/shdmac.c
39712 @@ -513,7 +513,7 @@ static int sh_dmae_nmi_handler(struct notifier_block *self,
39713 return ret;
39714 }
39715
39716 -static struct notifier_block sh_dmae_nmi_notifier __read_mostly = {
39717 +static struct notifier_block sh_dmae_nmi_notifier = {
39718 .notifier_call = sh_dmae_nmi_handler,
39719
39720 /* Run before NMI debug handler and KGDB */
39721 diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
39722 index 592af5f..bb1d583 100644
39723 --- a/drivers/edac/edac_device.c
39724 +++ b/drivers/edac/edac_device.c
39725 @@ -477,9 +477,9 @@ void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev,
39726 */
39727 int edac_device_alloc_index(void)
39728 {
39729 - static atomic_t device_indexes = ATOMIC_INIT(0);
39730 + static atomic_unchecked_t device_indexes = ATOMIC_INIT(0);
39731
39732 - return atomic_inc_return(&device_indexes) - 1;
39733 + return atomic_inc_return_unchecked(&device_indexes) - 1;
39734 }
39735 EXPORT_SYMBOL_GPL(edac_device_alloc_index);
39736
39737 diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
39738 index a6cd361..7bdbf53 100644
39739 --- a/drivers/edac/edac_mc_sysfs.c
39740 +++ b/drivers/edac/edac_mc_sysfs.c
39741 @@ -154,7 +154,7 @@ static const char * const edac_caps[] = {
39742 struct dev_ch_attribute {
39743 struct device_attribute attr;
39744 int channel;
39745 -};
39746 +} __do_const;
39747
39748 #define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \
39749 struct dev_ch_attribute dev_attr_legacy_##_name = \
39750 @@ -1011,14 +1011,16 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
39751 }
39752
39753 if (mci->set_sdram_scrub_rate || mci->get_sdram_scrub_rate) {
39754 + pax_open_kernel();
39755 if (mci->get_sdram_scrub_rate) {
39756 - dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO;
39757 - dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show;
39758 + *(umode_t *)&dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO;
39759 + *(void **)&dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show;
39760 }
39761 if (mci->set_sdram_scrub_rate) {
39762 - dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR;
39763 - dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store;
39764 + *(umode_t *)&dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR;
39765 + *(void **)&dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store;
39766 }
39767 + pax_close_kernel();
39768 err = device_create_file(&mci->dev,
39769 &dev_attr_sdram_scrub_rate);
39770 if (err) {
39771 diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c
39772 index 2cf44b4d..6dd2dc7 100644
39773 --- a/drivers/edac/edac_pci.c
39774 +++ b/drivers/edac/edac_pci.c
39775 @@ -29,7 +29,7 @@
39776
39777 static DEFINE_MUTEX(edac_pci_ctls_mutex);
39778 static LIST_HEAD(edac_pci_list);
39779 -static atomic_t pci_indexes = ATOMIC_INIT(0);
39780 +static atomic_unchecked_t pci_indexes = ATOMIC_INIT(0);
39781
39782 /*
39783 * edac_pci_alloc_ctl_info
39784 @@ -315,7 +315,7 @@ EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period);
39785 */
39786 int edac_pci_alloc_index(void)
39787 {
39788 - return atomic_inc_return(&pci_indexes) - 1;
39789 + return atomic_inc_return_unchecked(&pci_indexes) - 1;
39790 }
39791 EXPORT_SYMBOL_GPL(edac_pci_alloc_index);
39792
39793 diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
39794 index e8658e4..22746d6 100644
39795 --- a/drivers/edac/edac_pci_sysfs.c
39796 +++ b/drivers/edac/edac_pci_sysfs.c
39797 @@ -26,8 +26,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */
39798 static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */
39799 static int edac_pci_poll_msec = 1000; /* one second workq period */
39800
39801 -static atomic_t pci_parity_count = ATOMIC_INIT(0);
39802 -static atomic_t pci_nonparity_count = ATOMIC_INIT(0);
39803 +static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0);
39804 +static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0);
39805
39806 static struct kobject *edac_pci_top_main_kobj;
39807 static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0);
39808 @@ -235,7 +235,7 @@ struct edac_pci_dev_attribute {
39809 void *value;
39810 ssize_t(*show) (void *, char *);
39811 ssize_t(*store) (void *, const char *, size_t);
39812 -};
39813 +} __do_const;
39814
39815 /* Set of show/store abstract level functions for PCI Parity object */
39816 static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr,
39817 @@ -579,7 +579,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39818 edac_printk(KERN_CRIT, EDAC_PCI,
39819 "Signaled System Error on %s\n",
39820 pci_name(dev));
39821 - atomic_inc(&pci_nonparity_count);
39822 + atomic_inc_unchecked(&pci_nonparity_count);
39823 }
39824
39825 if (status & (PCI_STATUS_PARITY)) {
39826 @@ -587,7 +587,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39827 "Master Data Parity Error on %s\n",
39828 pci_name(dev));
39829
39830 - atomic_inc(&pci_parity_count);
39831 + atomic_inc_unchecked(&pci_parity_count);
39832 }
39833
39834 if (status & (PCI_STATUS_DETECTED_PARITY)) {
39835 @@ -595,7 +595,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39836 "Detected Parity Error on %s\n",
39837 pci_name(dev));
39838
39839 - atomic_inc(&pci_parity_count);
39840 + atomic_inc_unchecked(&pci_parity_count);
39841 }
39842 }
39843
39844 @@ -618,7 +618,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39845 edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
39846 "Signaled System Error on %s\n",
39847 pci_name(dev));
39848 - atomic_inc(&pci_nonparity_count);
39849 + atomic_inc_unchecked(&pci_nonparity_count);
39850 }
39851
39852 if (status & (PCI_STATUS_PARITY)) {
39853 @@ -626,7 +626,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39854 "Master Data Parity Error on "
39855 "%s\n", pci_name(dev));
39856
39857 - atomic_inc(&pci_parity_count);
39858 + atomic_inc_unchecked(&pci_parity_count);
39859 }
39860
39861 if (status & (PCI_STATUS_DETECTED_PARITY)) {
39862 @@ -634,7 +634,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
39863 "Detected Parity Error on %s\n",
39864 pci_name(dev));
39865
39866 - atomic_inc(&pci_parity_count);
39867 + atomic_inc_unchecked(&pci_parity_count);
39868 }
39869 }
39870 }
39871 @@ -672,7 +672,7 @@ void edac_pci_do_parity_check(void)
39872 if (!check_pci_errors)
39873 return;
39874
39875 - before_count = atomic_read(&pci_parity_count);
39876 + before_count = atomic_read_unchecked(&pci_parity_count);
39877
39878 /* scan all PCI devices looking for a Parity Error on devices and
39879 * bridges.
39880 @@ -684,7 +684,7 @@ void edac_pci_do_parity_check(void)
39881 /* Only if operator has selected panic on PCI Error */
39882 if (edac_pci_get_panic_on_pe()) {
39883 /* If the count is different 'after' from 'before' */
39884 - if (before_count != atomic_read(&pci_parity_count))
39885 + if (before_count != atomic_read_unchecked(&pci_parity_count))
39886 panic("EDAC: PCI Parity Error");
39887 }
39888 }
39889 diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
39890 index 51b7e3a..aa8a3e8 100644
39891 --- a/drivers/edac/mce_amd.h
39892 +++ b/drivers/edac/mce_amd.h
39893 @@ -77,7 +77,7 @@ struct amd_decoder_ops {
39894 bool (*mc0_mce)(u16, u8);
39895 bool (*mc1_mce)(u16, u8);
39896 bool (*mc2_mce)(u16, u8);
39897 -};
39898 +} __no_const;
39899
39900 void amd_report_gart_errors(bool);
39901 void amd_register_ecc_decoder(void (*f)(int, struct mce *));
39902 diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
39903 index 57ea7f4..af06b76 100644
39904 --- a/drivers/firewire/core-card.c
39905 +++ b/drivers/firewire/core-card.c
39906 @@ -528,9 +528,9 @@ void fw_card_initialize(struct fw_card *card,
39907 const struct fw_card_driver *driver,
39908 struct device *device)
39909 {
39910 - static atomic_t index = ATOMIC_INIT(-1);
39911 + static atomic_unchecked_t index = ATOMIC_INIT(-1);
39912
39913 - card->index = atomic_inc_return(&index);
39914 + card->index = atomic_inc_return_unchecked(&index);
39915 card->driver = driver;
39916 card->device = device;
39917 card->current_tlabel = 0;
39918 @@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
39919
39920 void fw_core_remove_card(struct fw_card *card)
39921 {
39922 - struct fw_card_driver dummy_driver = dummy_driver_template;
39923 + fw_card_driver_no_const dummy_driver = dummy_driver_template;
39924
39925 card->driver->update_phy_reg(card, 4,
39926 PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
39927 diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
39928 index 2c6d5e1..a2cca6b 100644
39929 --- a/drivers/firewire/core-device.c
39930 +++ b/drivers/firewire/core-device.c
39931 @@ -253,7 +253,7 @@ EXPORT_SYMBOL(fw_device_enable_phys_dma);
39932 struct config_rom_attribute {
39933 struct device_attribute attr;
39934 u32 key;
39935 -};
39936 +} __do_const;
39937
39938 static ssize_t show_immediate(struct device *dev,
39939 struct device_attribute *dattr, char *buf)
39940 diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
39941 index eb6935c..3cc2bfa 100644
39942 --- a/drivers/firewire/core-transaction.c
39943 +++ b/drivers/firewire/core-transaction.c
39944 @@ -38,6 +38,7 @@
39945 #include <linux/timer.h>
39946 #include <linux/types.h>
39947 #include <linux/workqueue.h>
39948 +#include <linux/sched.h>
39949
39950 #include <asm/byteorder.h>
39951
39952 diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
39953 index e1480ff6..1a429bd 100644
39954 --- a/drivers/firewire/core.h
39955 +++ b/drivers/firewire/core.h
39956 @@ -111,6 +111,7 @@ struct fw_card_driver {
39957
39958 int (*stop_iso)(struct fw_iso_context *ctx);
39959 };
39960 +typedef struct fw_card_driver __no_const fw_card_driver_no_const;
39961
39962 void fw_card_initialize(struct fw_card *card,
39963 const struct fw_card_driver *driver, struct device *device);
39964 diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
39965 index a66a321..f6caf20 100644
39966 --- a/drivers/firewire/ohci.c
39967 +++ b/drivers/firewire/ohci.c
39968 @@ -2056,10 +2056,12 @@ static void bus_reset_work(struct work_struct *work)
39969 be32_to_cpu(ohci->next_header));
39970 }
39971
39972 +#ifndef CONFIG_GRKERNSEC
39973 if (param_remote_dma) {
39974 reg_write(ohci, OHCI1394_PhyReqFilterHiSet, ~0);
39975 reg_write(ohci, OHCI1394_PhyReqFilterLoSet, ~0);
39976 }
39977 +#endif
39978
39979 spin_unlock_irq(&ohci->lock);
39980
39981 @@ -2591,8 +2593,10 @@ static int ohci_enable_phys_dma(struct fw_card *card,
39982 unsigned long flags;
39983 int n, ret = 0;
39984
39985 +#ifndef CONFIG_GRKERNSEC
39986 if (param_remote_dma)
39987 return 0;
39988 +#endif
39989
39990 /*
39991 * FIXME: Make sure this bitmask is cleared when we clear the busReset
39992 diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
39993 index 94a58a0..f5eba42 100644
39994 --- a/drivers/firmware/dmi-id.c
39995 +++ b/drivers/firmware/dmi-id.c
39996 @@ -16,7 +16,7 @@
39997 struct dmi_device_attribute{
39998 struct device_attribute dev_attr;
39999 int field;
40000 -};
40001 +} __do_const;
40002 #define to_dmi_dev_attr(_dev_attr) \
40003 container_of(_dev_attr, struct dmi_device_attribute, dev_attr)
40004
40005 diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
40006 index 17afc51..0ef90cd 100644
40007 --- a/drivers/firmware/dmi_scan.c
40008 +++ b/drivers/firmware/dmi_scan.c
40009 @@ -835,7 +835,7 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *),
40010 if (buf == NULL)
40011 return -1;
40012
40013 - dmi_table(buf, dmi_len, dmi_num, decode, private_data);
40014 + dmi_table((char __force_kernel *)buf, dmi_len, dmi_num, decode, private_data);
40015
40016 dmi_unmap(buf);
40017 return 0;
40018 diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
40019 index 5b53d61..72cee96 100644
40020 --- a/drivers/firmware/efi/cper.c
40021 +++ b/drivers/firmware/efi/cper.c
40022 @@ -44,12 +44,12 @@ static char rcd_decode_str[CPER_REC_LEN];
40023 */
40024 u64 cper_next_record_id(void)
40025 {
40026 - static atomic64_t seq;
40027 + static atomic64_unchecked_t seq;
40028
40029 - if (!atomic64_read(&seq))
40030 - atomic64_set(&seq, ((u64)get_seconds()) << 32);
40031 + if (!atomic64_read_unchecked(&seq))
40032 + atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32);
40033
40034 - return atomic64_inc_return(&seq);
40035 + return atomic64_inc_return_unchecked(&seq);
40036 }
40037 EXPORT_SYMBOL_GPL(cper_next_record_id);
40038
40039 diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
40040 index 8590099..d83627a 100644
40041 --- a/drivers/firmware/efi/efi.c
40042 +++ b/drivers/firmware/efi/efi.c
40043 @@ -148,14 +148,16 @@ static struct attribute_group efi_subsys_attr_group = {
40044 };
40045
40046 static struct efivars generic_efivars;
40047 -static struct efivar_operations generic_ops;
40048 +static efivar_operations_no_const generic_ops __read_only;
40049
40050 static int generic_ops_register(void)
40051 {
40052 - generic_ops.get_variable = efi.get_variable;
40053 - generic_ops.set_variable = efi.set_variable;
40054 - generic_ops.get_next_variable = efi.get_next_variable;
40055 - generic_ops.query_variable_store = efi_query_variable_store;
40056 + pax_open_kernel();
40057 + *(void **)&generic_ops.get_variable = efi.get_variable;
40058 + *(void **)&generic_ops.set_variable = efi.set_variable;
40059 + *(void **)&generic_ops.get_next_variable = efi.get_next_variable;
40060 + *(void **)&generic_ops.query_variable_store = efi_query_variable_store;
40061 + pax_close_kernel();
40062
40063 return efivars_register(&generic_efivars, &generic_ops, efi_kobj);
40064 }
40065 diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
40066 index f256ecd..387dcb1 100644
40067 --- a/drivers/firmware/efi/efivars.c
40068 +++ b/drivers/firmware/efi/efivars.c
40069 @@ -589,7 +589,7 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
40070 static int
40071 create_efivars_bin_attributes(void)
40072 {
40073 - struct bin_attribute *attr;
40074 + bin_attribute_no_const *attr;
40075 int error;
40076
40077 /* new_var */
40078 diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c
40079 index 2f569aa..c95f4fb 100644
40080 --- a/drivers/firmware/google/memconsole.c
40081 +++ b/drivers/firmware/google/memconsole.c
40082 @@ -155,7 +155,10 @@ static int __init memconsole_init(void)
40083 if (!found_memconsole())
40084 return -ENODEV;
40085
40086 - memconsole_bin_attr.size = memconsole_length;
40087 + pax_open_kernel();
40088 + *(size_t *)&memconsole_bin_attr.size = memconsole_length;
40089 + pax_close_kernel();
40090 +
40091 return sysfs_create_bin_file(firmware_kobj, &memconsole_bin_attr);
40092 }
40093
40094 diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
40095 index fe49ec3..1ade794 100644
40096 --- a/drivers/gpio/gpio-em.c
40097 +++ b/drivers/gpio/gpio-em.c
40098 @@ -278,7 +278,7 @@ static int em_gio_probe(struct platform_device *pdev)
40099 struct em_gio_priv *p;
40100 struct resource *io[2], *irq[2];
40101 struct gpio_chip *gpio_chip;
40102 - struct irq_chip *irq_chip;
40103 + irq_chip_no_const *irq_chip;
40104 const char *name = dev_name(&pdev->dev);
40105 int ret;
40106
40107 diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
40108 index 3784e81..73637b5 100644
40109 --- a/drivers/gpio/gpio-ich.c
40110 +++ b/drivers/gpio/gpio-ich.c
40111 @@ -94,7 +94,7 @@ struct ichx_desc {
40112 * this option allows driver caching written output values
40113 */
40114 bool use_outlvl_cache;
40115 -};
40116 +} __do_const;
40117
40118 static struct {
40119 spinlock_t lock;
40120 diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
40121 index 415682f..08438b8 100644
40122 --- a/drivers/gpio/gpio-omap.c
40123 +++ b/drivers/gpio/gpio-omap.c
40124 @@ -1162,7 +1162,7 @@ static int omap_gpio_probe(struct platform_device *pdev)
40125 const struct omap_gpio_platform_data *pdata;
40126 struct resource *res;
40127 struct gpio_bank *bank;
40128 - struct irq_chip *irqc;
40129 + irq_chip_no_const *irqc;
40130 int ret;
40131
40132 match = of_match_device(of_match_ptr(omap_gpio_match), dev);
40133 diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
40134 index bf6c094..6573caf 100644
40135 --- a/drivers/gpio/gpio-rcar.c
40136 +++ b/drivers/gpio/gpio-rcar.c
40137 @@ -357,7 +357,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
40138 struct gpio_rcar_priv *p;
40139 struct resource *io, *irq;
40140 struct gpio_chip *gpio_chip;
40141 - struct irq_chip *irq_chip;
40142 + irq_chip_no_const *irq_chip;
40143 struct device *dev = &pdev->dev;
40144 const char *name = dev_name(dev);
40145 int ret;
40146 diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c
40147 index dbf28fa..04dad4e 100644
40148 --- a/drivers/gpio/gpio-vr41xx.c
40149 +++ b/drivers/gpio/gpio-vr41xx.c
40150 @@ -224,7 +224,7 @@ static int giu_get_irq(unsigned int irq)
40151 printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n",
40152 maskl, pendl, maskh, pendh);
40153
40154 - atomic_inc(&irq_err_count);
40155 + atomic_inc_unchecked(&irq_err_count);
40156
40157 return -EINVAL;
40158 }
40159 diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
40160 index c81bda0..a8ccd9f 100644
40161 --- a/drivers/gpio/gpiolib.c
40162 +++ b/drivers/gpio/gpiolib.c
40163 @@ -539,8 +539,10 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip)
40164 }
40165
40166 if (gpiochip->irqchip) {
40167 - gpiochip->irqchip->irq_request_resources = NULL;
40168 - gpiochip->irqchip->irq_release_resources = NULL;
40169 + pax_open_kernel();
40170 + *(void **)&gpiochip->irqchip->irq_request_resources = NULL;
40171 + *(void **)&gpiochip->irqchip->irq_release_resources = NULL;
40172 + pax_close_kernel();
40173 gpiochip->irqchip = NULL;
40174 }
40175 }
40176 @@ -606,8 +608,11 @@ int gpiochip_irqchip_add(struct gpio_chip *gpiochip,
40177 gpiochip->irqchip = NULL;
40178 return -EINVAL;
40179 }
40180 - irqchip->irq_request_resources = gpiochip_irq_reqres;
40181 - irqchip->irq_release_resources = gpiochip_irq_relres;
40182 +
40183 + pax_open_kernel();
40184 + *(void **)&irqchip->irq_request_resources = gpiochip_irq_reqres;
40185 + *(void **)&irqchip->irq_release_resources = gpiochip_irq_relres;
40186 + pax_close_kernel();
40187
40188 /*
40189 * Prepare the mapping since the irqchip shall be orthogonal to
40190 diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
40191 index e79c8d3..a9370bc 100644
40192 --- a/drivers/gpu/drm/drm_crtc.c
40193 +++ b/drivers/gpu/drm/drm_crtc.c
40194 @@ -3900,7 +3900,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
40195 goto done;
40196 }
40197
40198 - if (copy_to_user(&enum_ptr[copied].name,
40199 + if (copy_to_user(enum_ptr[copied].name,
40200 &prop_enum->name, DRM_PROP_NAME_LEN)) {
40201 ret = -EFAULT;
40202 goto done;
40203 diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
40204 index bc3da32..7289357 100644
40205 --- a/drivers/gpu/drm/drm_drv.c
40206 +++ b/drivers/gpu/drm/drm_drv.c
40207 @@ -443,7 +443,7 @@ void drm_unplug_dev(struct drm_device *dev)
40208
40209 drm_device_set_unplugged(dev);
40210
40211 - if (dev->open_count == 0) {
40212 + if (local_read(&dev->open_count) == 0) {
40213 drm_put_dev(dev);
40214 }
40215 mutex_unlock(&drm_global_mutex);
40216 diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
40217 index ef757f7..98f720c 100644
40218 --- a/drivers/gpu/drm/drm_fb_helper.c
40219 +++ b/drivers/gpu/drm/drm_fb_helper.c
40220 @@ -741,7 +741,9 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info)
40221 int i, j, rc = 0;
40222 int start;
40223
40224 - drm_modeset_lock_all(dev);
40225 + if (__drm_modeset_lock_all(dev, !!oops_in_progress)) {
40226 + return -EBUSY;
40227 + }
40228 if (!drm_fb_helper_is_bound(fb_helper)) {
40229 drm_modeset_unlock_all(dev);
40230 return -EBUSY;
40231 @@ -915,7 +917,9 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
40232 int ret = 0;
40233 int i;
40234
40235 - drm_modeset_lock_all(dev);
40236 + if (__drm_modeset_lock_all(dev, !!oops_in_progress)) {
40237 + return -EBUSY;
40238 + }
40239 if (!drm_fb_helper_is_bound(fb_helper)) {
40240 drm_modeset_unlock_all(dev);
40241 return -EBUSY;
40242 diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
40243 index ed7bc68..0d536af 100644
40244 --- a/drivers/gpu/drm/drm_fops.c
40245 +++ b/drivers/gpu/drm/drm_fops.c
40246 @@ -89,7 +89,7 @@ int drm_open(struct inode *inode, struct file *filp)
40247 return PTR_ERR(minor);
40248
40249 dev = minor->dev;
40250 - if (!dev->open_count++)
40251 + if (local_inc_return(&dev->open_count) == 1)
40252 need_setup = 1;
40253
40254 /* share address_space across all char-devs of a single device */
40255 @@ -106,7 +106,7 @@ int drm_open(struct inode *inode, struct file *filp)
40256 return 0;
40257
40258 err_undo:
40259 - dev->open_count--;
40260 + local_dec(&dev->open_count);
40261 drm_minor_release(minor);
40262 return retcode;
40263 }
40264 @@ -376,7 +376,7 @@ int drm_release(struct inode *inode, struct file *filp)
40265
40266 mutex_lock(&drm_global_mutex);
40267
40268 - DRM_DEBUG("open_count = %d\n", dev->open_count);
40269 + DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count));
40270
40271 mutex_lock(&dev->struct_mutex);
40272 list_del(&file_priv->lhead);
40273 @@ -389,10 +389,10 @@ int drm_release(struct inode *inode, struct file *filp)
40274 * Begin inline drm_release
40275 */
40276
40277 - DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
40278 + DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n",
40279 task_pid_nr(current),
40280 (long)old_encode_dev(file_priv->minor->kdev->devt),
40281 - dev->open_count);
40282 + local_read(&dev->open_count));
40283
40284 /* Release any auth tokens that might point to this file_priv,
40285 (do that under the drm_global_mutex) */
40286 @@ -465,7 +465,7 @@ int drm_release(struct inode *inode, struct file *filp)
40287 * End inline drm_release
40288 */
40289
40290 - if (!--dev->open_count) {
40291 + if (local_dec_and_test(&dev->open_count)) {
40292 retcode = drm_lastclose(dev);
40293 if (drm_device_is_unplugged(dev))
40294 drm_put_dev(dev);
40295 diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
40296 index 3d2e91c..d31c4c9 100644
40297 --- a/drivers/gpu/drm/drm_global.c
40298 +++ b/drivers/gpu/drm/drm_global.c
40299 @@ -36,7 +36,7 @@
40300 struct drm_global_item {
40301 struct mutex mutex;
40302 void *object;
40303 - int refcount;
40304 + atomic_t refcount;
40305 };
40306
40307 static struct drm_global_item glob[DRM_GLOBAL_NUM];
40308 @@ -49,7 +49,7 @@ void drm_global_init(void)
40309 struct drm_global_item *item = &glob[i];
40310 mutex_init(&item->mutex);
40311 item->object = NULL;
40312 - item->refcount = 0;
40313 + atomic_set(&item->refcount, 0);
40314 }
40315 }
40316
40317 @@ -59,7 +59,7 @@ void drm_global_release(void)
40318 for (i = 0; i < DRM_GLOBAL_NUM; ++i) {
40319 struct drm_global_item *item = &glob[i];
40320 BUG_ON(item->object != NULL);
40321 - BUG_ON(item->refcount != 0);
40322 + BUG_ON(atomic_read(&item->refcount) != 0);
40323 }
40324 }
40325
40326 @@ -69,7 +69,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
40327 struct drm_global_item *item = &glob[ref->global_type];
40328
40329 mutex_lock(&item->mutex);
40330 - if (item->refcount == 0) {
40331 + if (atomic_read(&item->refcount) == 0) {
40332 item->object = kzalloc(ref->size, GFP_KERNEL);
40333 if (unlikely(item->object == NULL)) {
40334 ret = -ENOMEM;
40335 @@ -82,7 +82,7 @@ int drm_global_item_ref(struct drm_global_reference *ref)
40336 goto out_err;
40337
40338 }
40339 - ++item->refcount;
40340 + atomic_inc(&item->refcount);
40341 ref->object = item->object;
40342 mutex_unlock(&item->mutex);
40343 return 0;
40344 @@ -98,9 +98,9 @@ void drm_global_item_unref(struct drm_global_reference *ref)
40345 struct drm_global_item *item = &glob[ref->global_type];
40346
40347 mutex_lock(&item->mutex);
40348 - BUG_ON(item->refcount == 0);
40349 + BUG_ON(atomic_read(&item->refcount) == 0);
40350 BUG_ON(ref->object != item->object);
40351 - if (--item->refcount == 0) {
40352 + if (atomic_dec_and_test(&item->refcount)) {
40353 ref->release(ref);
40354 item->object = NULL;
40355 }
40356 diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
40357 index 51efebd..2b70935 100644
40358 --- a/drivers/gpu/drm/drm_info.c
40359 +++ b/drivers/gpu/drm/drm_info.c
40360 @@ -76,10 +76,13 @@ int drm_vm_info(struct seq_file *m, void *data)
40361 struct drm_local_map *map;
40362 struct drm_map_list *r_list;
40363
40364 - /* Hardcoded from _DRM_FRAME_BUFFER,
40365 - _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
40366 - _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
40367 - const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
40368 + static const char * const types[] = {
40369 + [_DRM_FRAME_BUFFER] = "FB",
40370 + [_DRM_REGISTERS] = "REG",
40371 + [_DRM_SHM] = "SHM",
40372 + [_DRM_AGP] = "AGP",
40373 + [_DRM_SCATTER_GATHER] = "SG",
40374 + [_DRM_CONSISTENT] = "PCI"};
40375 const char *type;
40376 int i;
40377
40378 @@ -90,7 +93,7 @@ int drm_vm_info(struct seq_file *m, void *data)
40379 map = r_list->map;
40380 if (!map)
40381 continue;
40382 - if (map->type < 0 || map->type > 5)
40383 + if (map->type >= ARRAY_SIZE(types))
40384 type = "??";
40385 else
40386 type = types[map->type];
40387 diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
40388 index 2f4c4343..dd12cd2 100644
40389 --- a/drivers/gpu/drm/drm_ioc32.c
40390 +++ b/drivers/gpu/drm/drm_ioc32.c
40391 @@ -457,7 +457,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd,
40392 request = compat_alloc_user_space(nbytes);
40393 if (!access_ok(VERIFY_WRITE, request, nbytes))
40394 return -EFAULT;
40395 - list = (struct drm_buf_desc *) (request + 1);
40396 + list = (struct drm_buf_desc __user *) (request + 1);
40397
40398 if (__put_user(count, &request->count)
40399 || __put_user(list, &request->list))
40400 @@ -518,7 +518,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
40401 request = compat_alloc_user_space(nbytes);
40402 if (!access_ok(VERIFY_WRITE, request, nbytes))
40403 return -EFAULT;
40404 - list = (struct drm_buf_pub *) (request + 1);
40405 + list = (struct drm_buf_pub __user *) (request + 1);
40406
40407 if (__put_user(count, &request->count)
40408 || __put_user(list, &request->list))
40409 @@ -1016,7 +1016,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd,
40410 return 0;
40411 }
40412
40413 -drm_ioctl_compat_t *drm_compat_ioctls[] = {
40414 +drm_ioctl_compat_t drm_compat_ioctls[] = {
40415 [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version,
40416 [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique,
40417 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap,
40418 @@ -1062,7 +1062,6 @@ drm_ioctl_compat_t *drm_compat_ioctls[] = {
40419 long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
40420 {
40421 unsigned int nr = DRM_IOCTL_NR(cmd);
40422 - drm_ioctl_compat_t *fn;
40423 int ret;
40424
40425 /* Assume that ioctls without an explicit compat routine will just
40426 @@ -1072,10 +1071,8 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
40427 if (nr >= ARRAY_SIZE(drm_compat_ioctls))
40428 return drm_ioctl(filp, cmd, arg);
40429
40430 - fn = drm_compat_ioctls[nr];
40431 -
40432 - if (fn != NULL)
40433 - ret = (*fn) (filp, cmd, arg);
40434 + if (drm_compat_ioctls[nr] != NULL)
40435 + ret = (*drm_compat_ioctls[nr]) (filp, cmd, arg);
40436 else
40437 ret = drm_ioctl(filp, cmd, arg);
40438
40439 diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
40440 index 00587a1..57a65ca 100644
40441 --- a/drivers/gpu/drm/drm_ioctl.c
40442 +++ b/drivers/gpu/drm/drm_ioctl.c
40443 @@ -642,7 +642,7 @@ long drm_ioctl(struct file *filp,
40444 struct drm_file *file_priv = filp->private_data;
40445 struct drm_device *dev;
40446 const struct drm_ioctl_desc *ioctl = NULL;
40447 - drm_ioctl_t *func;
40448 + drm_ioctl_no_const_t func;
40449 unsigned int nr = DRM_IOCTL_NR(cmd);
40450 int retcode = -EINVAL;
40451 char stack_kdata[128];
40452 diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h
40453 index 93ec5dc..82acbaf 100644
40454 --- a/drivers/gpu/drm/i810/i810_drv.h
40455 +++ b/drivers/gpu/drm/i810/i810_drv.h
40456 @@ -110,8 +110,8 @@ typedef struct drm_i810_private {
40457 int page_flipping;
40458
40459 wait_queue_head_t irq_queue;
40460 - atomic_t irq_received;
40461 - atomic_t irq_emitted;
40462 + atomic_unchecked_t irq_received;
40463 + atomic_unchecked_t irq_emitted;
40464
40465 int front_offset;
40466 } drm_i810_private_t;
40467 diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
40468 index 318ade9..1f5de55 100644
40469 --- a/drivers/gpu/drm/i915/i915_dma.c
40470 +++ b/drivers/gpu/drm/i915/i915_dma.c
40471 @@ -1294,7 +1294,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
40472 * locking inversion with the driver load path. And the access here is
40473 * completely racy anyway. So don't bother with locking for now.
40474 */
40475 - return dev->open_count == 0;
40476 + return local_read(&dev->open_count) == 0;
40477 }
40478
40479 static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
40480 diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
40481 index 1a0611b..dd1fbfc 100644
40482 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
40483 +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
40484 @@ -866,12 +866,12 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec)
40485 static int
40486 validate_exec_list(struct drm_device *dev,
40487 struct drm_i915_gem_exec_object2 *exec,
40488 - int count)
40489 + unsigned int count)
40490 {
40491 unsigned relocs_total = 0;
40492 unsigned relocs_max = UINT_MAX / sizeof(struct drm_i915_gem_relocation_entry);
40493 unsigned invalid_flags;
40494 - int i;
40495 + unsigned int i;
40496
40497 invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS;
40498 if (USES_FULL_PPGTT(dev))
40499 diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c
40500 index 2e0613e..a8b94d9 100644
40501 --- a/drivers/gpu/drm/i915/i915_ioc32.c
40502 +++ b/drivers/gpu/drm/i915/i915_ioc32.c
40503 @@ -181,7 +181,7 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd,
40504 (unsigned long)request);
40505 }
40506
40507 -static drm_ioctl_compat_t *i915_compat_ioctls[] = {
40508 +static drm_ioctl_compat_t i915_compat_ioctls[] = {
40509 [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer,
40510 [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer,
40511 [DRM_I915_GETPARAM] = compat_i915_getparam,
40512 @@ -202,18 +202,15 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = {
40513 long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
40514 {
40515 unsigned int nr = DRM_IOCTL_NR(cmd);
40516 - drm_ioctl_compat_t *fn = NULL;
40517 int ret;
40518
40519 if (nr < DRM_COMMAND_BASE)
40520 return drm_compat_ioctl(filp, cmd, arg);
40521
40522 - if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls))
40523 - fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE];
40524 -
40525 - if (fn != NULL)
40526 + if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) {
40527 + drm_ioctl_compat_t fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE];
40528 ret = (*fn) (filp, cmd, arg);
40529 - else
40530 + } else
40531 ret = drm_ioctl(filp, cmd, arg);
40532
40533 return ret;
40534 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
40535 index 31b9664..5d478d3 100644
40536 --- a/drivers/gpu/drm/i915/intel_display.c
40537 +++ b/drivers/gpu/drm/i915/intel_display.c
40538 @@ -12811,13 +12811,13 @@ struct intel_quirk {
40539 int subsystem_vendor;
40540 int subsystem_device;
40541 void (*hook)(struct drm_device *dev);
40542 -};
40543 +} __do_const;
40544
40545 /* For systems that don't have a meaningful PCI subdevice/subvendor ID */
40546 struct intel_dmi_quirk {
40547 void (*hook)(struct drm_device *dev);
40548 const struct dmi_system_id (*dmi_id_list)[];
40549 -};
40550 +} __do_const;
40551
40552 static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
40553 {
40554 @@ -12825,18 +12825,20 @@ static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
40555 return 1;
40556 }
40557
40558 -static const struct intel_dmi_quirk intel_dmi_quirks[] = {
40559 +static const struct dmi_system_id intel_dmi_quirks_table[] = {
40560 {
40561 - .dmi_id_list = &(const struct dmi_system_id[]) {
40562 - {
40563 - .callback = intel_dmi_reverse_brightness,
40564 - .ident = "NCR Corporation",
40565 - .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
40566 - DMI_MATCH(DMI_PRODUCT_NAME, ""),
40567 - },
40568 - },
40569 - { } /* terminating entry */
40570 + .callback = intel_dmi_reverse_brightness,
40571 + .ident = "NCR Corporation",
40572 + .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
40573 + DMI_MATCH(DMI_PRODUCT_NAME, ""),
40574 },
40575 + },
40576 + { } /* terminating entry */
40577 +};
40578 +
40579 +static const struct intel_dmi_quirk intel_dmi_quirks[] = {
40580 + {
40581 + .dmi_id_list = &intel_dmi_quirks_table,
40582 .hook = quirk_invert_brightness,
40583 },
40584 };
40585 diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
40586 index b4a2014..219ab78 100644
40587 --- a/drivers/gpu/drm/mga/mga_drv.h
40588 +++ b/drivers/gpu/drm/mga/mga_drv.h
40589 @@ -122,9 +122,9 @@ typedef struct drm_mga_private {
40590 u32 clear_cmd;
40591 u32 maccess;
40592
40593 - atomic_t vbl_received; /**< Number of vblanks received. */
40594 + atomic_unchecked_t vbl_received; /**< Number of vblanks received. */
40595 wait_queue_head_t fence_queue;
40596 - atomic_t last_fence_retired;
40597 + atomic_unchecked_t last_fence_retired;
40598 u32 next_fence_to_post;
40599
40600 unsigned int fb_cpp;
40601 diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c
40602 index 729bfd5..ead8823 100644
40603 --- a/drivers/gpu/drm/mga/mga_ioc32.c
40604 +++ b/drivers/gpu/drm/mga/mga_ioc32.c
40605 @@ -190,7 +190,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd,
40606 return 0;
40607 }
40608
40609 -drm_ioctl_compat_t *mga_compat_ioctls[] = {
40610 +drm_ioctl_compat_t mga_compat_ioctls[] = {
40611 [DRM_MGA_INIT] = compat_mga_init,
40612 [DRM_MGA_GETPARAM] = compat_mga_getparam,
40613 [DRM_MGA_DMA_BOOTSTRAP] = compat_mga_dma_bootstrap,
40614 @@ -208,18 +208,15 @@ drm_ioctl_compat_t *mga_compat_ioctls[] = {
40615 long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
40616 {
40617 unsigned int nr = DRM_IOCTL_NR(cmd);
40618 - drm_ioctl_compat_t *fn = NULL;
40619 int ret;
40620
40621 if (nr < DRM_COMMAND_BASE)
40622 return drm_compat_ioctl(filp, cmd, arg);
40623
40624 - if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls))
40625 - fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE];
40626 -
40627 - if (fn != NULL)
40628 + if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls)) {
40629 + drm_ioctl_compat_t fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE];
40630 ret = (*fn) (filp, cmd, arg);
40631 - else
40632 + } else
40633 ret = drm_ioctl(filp, cmd, arg);
40634
40635 return ret;
40636 diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
40637 index 1b071b8..de8601a 100644
40638 --- a/drivers/gpu/drm/mga/mga_irq.c
40639 +++ b/drivers/gpu/drm/mga/mga_irq.c
40640 @@ -43,7 +43,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
40641 if (crtc != 0)
40642 return 0;
40643
40644 - return atomic_read(&dev_priv->vbl_received);
40645 + return atomic_read_unchecked(&dev_priv->vbl_received);
40646 }
40647
40648
40649 @@ -59,7 +59,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg)
40650 /* VBLANK interrupt */
40651 if (status & MGA_VLINEPEN) {
40652 MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
40653 - atomic_inc(&dev_priv->vbl_received);
40654 + atomic_inc_unchecked(&dev_priv->vbl_received);
40655 drm_handle_vblank(dev, 0);
40656 handled = 1;
40657 }
40658 @@ -78,7 +78,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg)
40659 if ((prim_start & ~0x03) != (prim_end & ~0x03))
40660 MGA_WRITE(MGA_PRIMEND, prim_end);
40661
40662 - atomic_inc(&dev_priv->last_fence_retired);
40663 + atomic_inc_unchecked(&dev_priv->last_fence_retired);
40664 wake_up(&dev_priv->fence_queue);
40665 handled = 1;
40666 }
40667 @@ -129,7 +129,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence)
40668 * using fences.
40669 */
40670 DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * HZ,
40671 - (((cur_fence = atomic_read(&dev_priv->last_fence_retired))
40672 + (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired))
40673 - *sequence) <= (1 << 23)));
40674
40675 *sequence = cur_fence;
40676 diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
40677 index dae2c96..324dbe4 100644
40678 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c
40679 +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
40680 @@ -963,7 +963,7 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios,
40681 struct bit_table {
40682 const char id;
40683 int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *);
40684 -};
40685 +} __no_const;
40686
40687 #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry })
40688
40689 diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
40690 index 8ae36f2..1147a30 100644
40691 --- a/drivers/gpu/drm/nouveau/nouveau_drm.h
40692 +++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
40693 @@ -121,7 +121,6 @@ struct nouveau_drm {
40694 struct drm_global_reference mem_global_ref;
40695 struct ttm_bo_global_ref bo_global_ref;
40696 struct ttm_bo_device bdev;
40697 - atomic_t validate_sequence;
40698 int (*move)(struct nouveau_channel *,
40699 struct ttm_buffer_object *,
40700 struct ttm_mem_reg *, struct ttm_mem_reg *);
40701 diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c
40702 index 462679a..88e32a7 100644
40703 --- a/drivers/gpu/drm/nouveau/nouveau_ioc32.c
40704 +++ b/drivers/gpu/drm/nouveau/nouveau_ioc32.c
40705 @@ -50,7 +50,7 @@ long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
40706 unsigned long arg)
40707 {
40708 unsigned int nr = DRM_IOCTL_NR(cmd);
40709 - drm_ioctl_compat_t *fn = NULL;
40710 + drm_ioctl_compat_t fn = NULL;
40711 int ret;
40712
40713 if (nr < DRM_COMMAND_BASE)
40714 diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
40715 index 3d1cfcb..0542700 100644
40716 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
40717 +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
40718 @@ -127,11 +127,11 @@ nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
40719 }
40720
40721 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
40722 - nouveau_vram_manager_init,
40723 - nouveau_vram_manager_fini,
40724 - nouveau_vram_manager_new,
40725 - nouveau_vram_manager_del,
40726 - nouveau_vram_manager_debug
40727 + .init = nouveau_vram_manager_init,
40728 + .takedown = nouveau_vram_manager_fini,
40729 + .get_node = nouveau_vram_manager_new,
40730 + .put_node = nouveau_vram_manager_del,
40731 + .debug = nouveau_vram_manager_debug
40732 };
40733
40734 static int
40735 @@ -195,11 +195,11 @@ nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
40736 }
40737
40738 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
40739 - nouveau_gart_manager_init,
40740 - nouveau_gart_manager_fini,
40741 - nouveau_gart_manager_new,
40742 - nouveau_gart_manager_del,
40743 - nouveau_gart_manager_debug
40744 + .init = nouveau_gart_manager_init,
40745 + .takedown = nouveau_gart_manager_fini,
40746 + .get_node = nouveau_gart_manager_new,
40747 + .put_node = nouveau_gart_manager_del,
40748 + .debug = nouveau_gart_manager_debug
40749 };
40750
40751 /*XXX*/
40752 @@ -268,11 +268,11 @@ nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
40753 }
40754
40755 const struct ttm_mem_type_manager_func nv04_gart_manager = {
40756 - nv04_gart_manager_init,
40757 - nv04_gart_manager_fini,
40758 - nv04_gart_manager_new,
40759 - nv04_gart_manager_del,
40760 - nv04_gart_manager_debug
40761 + .init = nv04_gart_manager_init,
40762 + .takedown = nv04_gart_manager_fini,
40763 + .get_node = nv04_gart_manager_new,
40764 + .put_node = nv04_gart_manager_del,
40765 + .debug = nv04_gart_manager_debug
40766 };
40767
40768 int
40769 diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
40770 index c7592ec..dd45ebc 100644
40771 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c
40772 +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
40773 @@ -72,7 +72,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev)
40774 * locking inversion with the driver load path. And the access here is
40775 * completely racy anyway. So don't bother with locking for now.
40776 */
40777 - return dev->open_count == 0;
40778 + return local_read(&dev->open_count) == 0;
40779 }
40780
40781 static const struct vga_switcheroo_client_ops
40782 diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
40783 index 9782364..89bd954 100644
40784 --- a/drivers/gpu/drm/qxl/qxl_cmd.c
40785 +++ b/drivers/gpu/drm/qxl/qxl_cmd.c
40786 @@ -285,27 +285,27 @@ static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port,
40787 int ret;
40788
40789 mutex_lock(&qdev->async_io_mutex);
40790 - irq_num = atomic_read(&qdev->irq_received_io_cmd);
40791 + irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd);
40792 if (qdev->last_sent_io_cmd > irq_num) {
40793 if (intr)
40794 ret = wait_event_interruptible_timeout(qdev->io_cmd_event,
40795 - atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40796 + atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40797 else
40798 ret = wait_event_timeout(qdev->io_cmd_event,
40799 - atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40800 + atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40801 /* 0 is timeout, just bail the "hw" has gone away */
40802 if (ret <= 0)
40803 goto out;
40804 - irq_num = atomic_read(&qdev->irq_received_io_cmd);
40805 + irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd);
40806 }
40807 outb(val, addr);
40808 qdev->last_sent_io_cmd = irq_num + 1;
40809 if (intr)
40810 ret = wait_event_interruptible_timeout(qdev->io_cmd_event,
40811 - atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40812 + atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40813 else
40814 ret = wait_event_timeout(qdev->io_cmd_event,
40815 - atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40816 + atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ);
40817 out:
40818 if (ret > 0)
40819 ret = 0;
40820 diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
40821 index 6911b8c..89d6867 100644
40822 --- a/drivers/gpu/drm/qxl/qxl_debugfs.c
40823 +++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
40824 @@ -42,10 +42,10 @@ qxl_debugfs_irq_received(struct seq_file *m, void *data)
40825 struct drm_info_node *node = (struct drm_info_node *) m->private;
40826 struct qxl_device *qdev = node->minor->dev->dev_private;
40827
40828 - seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
40829 - seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
40830 - seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));
40831 - seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));
40832 + seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received));
40833 + seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_display));
40834 + seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_cursor));
40835 + seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_io_cmd));
40836 seq_printf(m, "%d\n", qdev->irq_received_error);
40837 return 0;
40838 }
40839 diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
40840 index 7c6cafe..460f542 100644
40841 --- a/drivers/gpu/drm/qxl/qxl_drv.h
40842 +++ b/drivers/gpu/drm/qxl/qxl_drv.h
40843 @@ -290,10 +290,10 @@ struct qxl_device {
40844 unsigned int last_sent_io_cmd;
40845
40846 /* interrupt handling */
40847 - atomic_t irq_received;
40848 - atomic_t irq_received_display;
40849 - atomic_t irq_received_cursor;
40850 - atomic_t irq_received_io_cmd;
40851 + atomic_unchecked_t irq_received;
40852 + atomic_unchecked_t irq_received_display;
40853 + atomic_unchecked_t irq_received_cursor;
40854 + atomic_unchecked_t irq_received_io_cmd;
40855 unsigned irq_received_error;
40856 wait_queue_head_t display_event;
40857 wait_queue_head_t cursor_event;
40858 diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
40859 index b110883..dd06418 100644
40860 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c
40861 +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
40862 @@ -181,7 +181,7 @@ static int qxl_process_single_command(struct qxl_device *qdev,
40863
40864 /* TODO copy slow path code from i915 */
40865 fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE));
40866 - unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void *)(unsigned long)cmd->command, cmd->command_size);
40867 + unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void __force_user *)(unsigned long)cmd->command, cmd->command_size);
40868
40869 {
40870 struct qxl_drawable *draw = fb_cmd;
40871 @@ -201,7 +201,7 @@ static int qxl_process_single_command(struct qxl_device *qdev,
40872 struct drm_qxl_reloc reloc;
40873
40874 if (copy_from_user(&reloc,
40875 - &((struct drm_qxl_reloc *)(uintptr_t)cmd->relocs)[i],
40876 + &((struct drm_qxl_reloc __force_user *)(uintptr_t)cmd->relocs)[i],
40877 sizeof(reloc))) {
40878 ret = -EFAULT;
40879 goto out_free_bos;
40880 @@ -294,10 +294,10 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
40881
40882 for (cmd_num = 0; cmd_num < execbuffer->commands_num; ++cmd_num) {
40883
40884 - struct drm_qxl_command *commands =
40885 - (struct drm_qxl_command *)(uintptr_t)execbuffer->commands;
40886 + struct drm_qxl_command __user *commands =
40887 + (struct drm_qxl_command __user *)(uintptr_t)execbuffer->commands;
40888
40889 - if (copy_from_user(&user_cmd, &commands[cmd_num],
40890 + if (copy_from_user(&user_cmd, (struct drm_qxl_command __force_user *)&commands[cmd_num],
40891 sizeof(user_cmd)))
40892 return -EFAULT;
40893
40894 diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
40895 index 0bf1e20..42a7310 100644
40896 --- a/drivers/gpu/drm/qxl/qxl_irq.c
40897 +++ b/drivers/gpu/drm/qxl/qxl_irq.c
40898 @@ -36,19 +36,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg)
40899 if (!pending)
40900 return IRQ_NONE;
40901
40902 - atomic_inc(&qdev->irq_received);
40903 + atomic_inc_unchecked(&qdev->irq_received);
40904
40905 if (pending & QXL_INTERRUPT_DISPLAY) {
40906 - atomic_inc(&qdev->irq_received_display);
40907 + atomic_inc_unchecked(&qdev->irq_received_display);
40908 wake_up_all(&qdev->display_event);
40909 qxl_queue_garbage_collect(qdev, false);
40910 }
40911 if (pending & QXL_INTERRUPT_CURSOR) {
40912 - atomic_inc(&qdev->irq_received_cursor);
40913 + atomic_inc_unchecked(&qdev->irq_received_cursor);
40914 wake_up_all(&qdev->cursor_event);
40915 }
40916 if (pending & QXL_INTERRUPT_IO_CMD) {
40917 - atomic_inc(&qdev->irq_received_io_cmd);
40918 + atomic_inc_unchecked(&qdev->irq_received_io_cmd);
40919 wake_up_all(&qdev->io_cmd_event);
40920 }
40921 if (pending & QXL_INTERRUPT_ERROR) {
40922 @@ -85,10 +85,10 @@ int qxl_irq_init(struct qxl_device *qdev)
40923 init_waitqueue_head(&qdev->io_cmd_event);
40924 INIT_WORK(&qdev->client_monitors_config_work,
40925 qxl_client_monitors_config_work_func);
40926 - atomic_set(&qdev->irq_received, 0);
40927 - atomic_set(&qdev->irq_received_display, 0);
40928 - atomic_set(&qdev->irq_received_cursor, 0);
40929 - atomic_set(&qdev->irq_received_io_cmd, 0);
40930 + atomic_set_unchecked(&qdev->irq_received, 0);
40931 + atomic_set_unchecked(&qdev->irq_received_display, 0);
40932 + atomic_set_unchecked(&qdev->irq_received_cursor, 0);
40933 + atomic_set_unchecked(&qdev->irq_received_io_cmd, 0);
40934 qdev->irq_received_error = 0;
40935 ret = drm_irq_install(qdev->ddev, qdev->ddev->pdev->irq);
40936 qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
40937 diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
40938 index 0cbc4c9..0e46686 100644
40939 --- a/drivers/gpu/drm/qxl/qxl_ttm.c
40940 +++ b/drivers/gpu/drm/qxl/qxl_ttm.c
40941 @@ -103,7 +103,7 @@ static void qxl_ttm_global_fini(struct qxl_device *qdev)
40942 }
40943 }
40944
40945 -static struct vm_operations_struct qxl_ttm_vm_ops;
40946 +static vm_operations_struct_no_const qxl_ttm_vm_ops __read_only;
40947 static const struct vm_operations_struct *ttm_vm_ops;
40948
40949 static int qxl_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
40950 @@ -145,8 +145,10 @@ int qxl_mmap(struct file *filp, struct vm_area_struct *vma)
40951 return r;
40952 if (unlikely(ttm_vm_ops == NULL)) {
40953 ttm_vm_ops = vma->vm_ops;
40954 + pax_open_kernel();
40955 qxl_ttm_vm_ops = *ttm_vm_ops;
40956 qxl_ttm_vm_ops.fault = &qxl_ttm_fault;
40957 + pax_close_kernel();
40958 }
40959 vma->vm_ops = &qxl_ttm_vm_ops;
40960 return 0;
40961 @@ -464,25 +466,23 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data)
40962 static int qxl_ttm_debugfs_init(struct qxl_device *qdev)
40963 {
40964 #if defined(CONFIG_DEBUG_FS)
40965 - static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
40966 - static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32];
40967 - unsigned i;
40968 + static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES] = {
40969 + {
40970 + .name = "qxl_mem_mm",
40971 + .show = &qxl_mm_dump_table,
40972 + },
40973 + {
40974 + .name = "qxl_surf_mm",
40975 + .show = &qxl_mm_dump_table,
40976 + }
40977 + };
40978
40979 - for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) {
40980 - if (i == 0)
40981 - sprintf(qxl_mem_types_names[i], "qxl_mem_mm");
40982 - else
40983 - sprintf(qxl_mem_types_names[i], "qxl_surf_mm");
40984 - qxl_mem_types_list[i].name = qxl_mem_types_names[i];
40985 - qxl_mem_types_list[i].show = &qxl_mm_dump_table;
40986 - qxl_mem_types_list[i].driver_features = 0;
40987 - if (i == 0)
40988 - qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
40989 - else
40990 - qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv;
40991 + pax_open_kernel();
40992 + *(void **)&qxl_mem_types_list[0].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
40993 + *(void **)&qxl_mem_types_list[1].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv;
40994 + pax_close_kernel();
40995
40996 - }
40997 - return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
40998 + return qxl_debugfs_add_files(qdev, qxl_mem_types_list, QXL_DEBUGFS_MEM_TYPES);
40999 #else
41000 return 0;
41001 #endif
41002 diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
41003 index 2c45ac9..5d740f8 100644
41004 --- a/drivers/gpu/drm/r128/r128_cce.c
41005 +++ b/drivers/gpu/drm/r128/r128_cce.c
41006 @@ -377,7 +377,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init)
41007
41008 /* GH: Simple idle check.
41009 */
41010 - atomic_set(&dev_priv->idle_count, 0);
41011 + atomic_set_unchecked(&dev_priv->idle_count, 0);
41012
41013 /* We don't support anything other than bus-mastering ring mode,
41014 * but the ring can be in either AGP or PCI space for the ring
41015 diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
41016 index 723e5d6..102dbaf 100644
41017 --- a/drivers/gpu/drm/r128/r128_drv.h
41018 +++ b/drivers/gpu/drm/r128/r128_drv.h
41019 @@ -93,14 +93,14 @@ typedef struct drm_r128_private {
41020 int is_pci;
41021 unsigned long cce_buffers_offset;
41022
41023 - atomic_t idle_count;
41024 + atomic_unchecked_t idle_count;
41025
41026 int page_flipping;
41027 int current_page;
41028 u32 crtc_offset;
41029 u32 crtc_offset_cntl;
41030
41031 - atomic_t vbl_received;
41032 + atomic_unchecked_t vbl_received;
41033
41034 u32 color_fmt;
41035 unsigned int front_offset;
41036 diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c
41037 index 663f38c..c689495 100644
41038 --- a/drivers/gpu/drm/r128/r128_ioc32.c
41039 +++ b/drivers/gpu/drm/r128/r128_ioc32.c
41040 @@ -178,7 +178,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd,
41041 return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
41042 }
41043
41044 -drm_ioctl_compat_t *r128_compat_ioctls[] = {
41045 +drm_ioctl_compat_t r128_compat_ioctls[] = {
41046 [DRM_R128_INIT] = compat_r128_init,
41047 [DRM_R128_DEPTH] = compat_r128_depth,
41048 [DRM_R128_STIPPLE] = compat_r128_stipple,
41049 @@ -197,18 +197,15 @@ drm_ioctl_compat_t *r128_compat_ioctls[] = {
41050 long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
41051 {
41052 unsigned int nr = DRM_IOCTL_NR(cmd);
41053 - drm_ioctl_compat_t *fn = NULL;
41054 int ret;
41055
41056 if (nr < DRM_COMMAND_BASE)
41057 return drm_compat_ioctl(filp, cmd, arg);
41058
41059 - if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls))
41060 - fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE];
41061 -
41062 - if (fn != NULL)
41063 + if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) {
41064 + drm_ioctl_compat_t fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE];
41065 ret = (*fn) (filp, cmd, arg);
41066 - else
41067 + } else
41068 ret = drm_ioctl(filp, cmd, arg);
41069
41070 return ret;
41071 diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c
41072 index c2ae496..30b5993 100644
41073 --- a/drivers/gpu/drm/r128/r128_irq.c
41074 +++ b/drivers/gpu/drm/r128/r128_irq.c
41075 @@ -41,7 +41,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
41076 if (crtc != 0)
41077 return 0;
41078
41079 - return atomic_read(&dev_priv->vbl_received);
41080 + return atomic_read_unchecked(&dev_priv->vbl_received);
41081 }
41082
41083 irqreturn_t r128_driver_irq_handler(int irq, void *arg)
41084 @@ -55,7 +55,7 @@ irqreturn_t r128_driver_irq_handler(int irq, void *arg)
41085 /* VBLANK interrupt */
41086 if (status & R128_CRTC_VBLANK_INT) {
41087 R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
41088 - atomic_inc(&dev_priv->vbl_received);
41089 + atomic_inc_unchecked(&dev_priv->vbl_received);
41090 drm_handle_vblank(dev, 0);
41091 return IRQ_HANDLED;
41092 }
41093 diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c
41094 index 575e986..66e62ca 100644
41095 --- a/drivers/gpu/drm/r128/r128_state.c
41096 +++ b/drivers/gpu/drm/r128/r128_state.c
41097 @@ -320,10 +320,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv,
41098
41099 static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv)
41100 {
41101 - if (atomic_read(&dev_priv->idle_count) == 0)
41102 + if (atomic_read_unchecked(&dev_priv->idle_count) == 0)
41103 r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
41104 else
41105 - atomic_set(&dev_priv->idle_count, 0);
41106 + atomic_set_unchecked(&dev_priv->idle_count, 0);
41107 }
41108
41109 #endif
41110 diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
41111 index 4a85bb6..aaea819 100644
41112 --- a/drivers/gpu/drm/radeon/mkregtable.c
41113 +++ b/drivers/gpu/drm/radeon/mkregtable.c
41114 @@ -624,14 +624,14 @@ static int parser_auth(struct table *t, const char *filename)
41115 regex_t mask_rex;
41116 regmatch_t match[4];
41117 char buf[1024];
41118 - size_t end;
41119 + long end;
41120 int len;
41121 int done = 0;
41122 int r;
41123 unsigned o;
41124 struct offset *offset;
41125 char last_reg_s[10];
41126 - int last_reg;
41127 + unsigned long last_reg;
41128
41129 if (regcomp
41130 (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) {
41131 diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
41132 index 995a8b1..b7cb898 100644
41133 --- a/drivers/gpu/drm/radeon/radeon_device.c
41134 +++ b/drivers/gpu/drm/radeon/radeon_device.c
41135 @@ -1214,7 +1214,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev)
41136 * locking inversion with the driver load path. And the access here is
41137 * completely racy anyway. So don't bother with locking for now.
41138 */
41139 - return dev->open_count == 0;
41140 + return local_read(&dev->open_count) == 0;
41141 }
41142
41143 static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = {
41144 diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
41145 index 46bd393..6ae4719 100644
41146 --- a/drivers/gpu/drm/radeon/radeon_drv.h
41147 +++ b/drivers/gpu/drm/radeon/radeon_drv.h
41148 @@ -264,7 +264,7 @@ typedef struct drm_radeon_private {
41149
41150 /* SW interrupt */
41151 wait_queue_head_t swi_queue;
41152 - atomic_t swi_emitted;
41153 + atomic_unchecked_t swi_emitted;
41154 int vblank_crtc;
41155 uint32_t irq_enable_reg;
41156 uint32_t r500_disp_irq_reg;
41157 diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c
41158 index 0b98ea1..0881827 100644
41159 --- a/drivers/gpu/drm/radeon/radeon_ioc32.c
41160 +++ b/drivers/gpu/drm/radeon/radeon_ioc32.c
41161 @@ -358,7 +358,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
41162 request = compat_alloc_user_space(sizeof(*request));
41163 if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
41164 || __put_user(req32.param, &request->param)
41165 - || __put_user((void __user *)(unsigned long)req32.value,
41166 + || __put_user((unsigned long)req32.value,
41167 &request->value))
41168 return -EFAULT;
41169
41170 @@ -368,7 +368,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
41171 #define compat_radeon_cp_setparam NULL
41172 #endif /* X86_64 || IA64 */
41173
41174 -static drm_ioctl_compat_t *radeon_compat_ioctls[] = {
41175 +static drm_ioctl_compat_t radeon_compat_ioctls[] = {
41176 [DRM_RADEON_CP_INIT] = compat_radeon_cp_init,
41177 [DRM_RADEON_CLEAR] = compat_radeon_cp_clear,
41178 [DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple,
41179 @@ -393,18 +393,15 @@ static drm_ioctl_compat_t *radeon_compat_ioctls[] = {
41180 long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
41181 {
41182 unsigned int nr = DRM_IOCTL_NR(cmd);
41183 - drm_ioctl_compat_t *fn = NULL;
41184 int ret;
41185
41186 if (nr < DRM_COMMAND_BASE)
41187 return drm_compat_ioctl(filp, cmd, arg);
41188
41189 - if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls))
41190 - fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
41191 -
41192 - if (fn != NULL)
41193 + if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls)) {
41194 + drm_ioctl_compat_t fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
41195 ret = (*fn) (filp, cmd, arg);
41196 - else
41197 + } else
41198 ret = drm_ioctl(filp, cmd, arg);
41199
41200 return ret;
41201 diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
41202 index 244b19b..c19226d 100644
41203 --- a/drivers/gpu/drm/radeon/radeon_irq.c
41204 +++ b/drivers/gpu/drm/radeon/radeon_irq.c
41205 @@ -226,8 +226,8 @@ static int radeon_emit_irq(struct drm_device * dev)
41206 unsigned int ret;
41207 RING_LOCALS;
41208
41209 - atomic_inc(&dev_priv->swi_emitted);
41210 - ret = atomic_read(&dev_priv->swi_emitted);
41211 + atomic_inc_unchecked(&dev_priv->swi_emitted);
41212 + ret = atomic_read_unchecked(&dev_priv->swi_emitted);
41213
41214 BEGIN_RING(4);
41215 OUT_RING_REG(RADEON_LAST_SWI_REG, ret);
41216 @@ -353,7 +353,7 @@ int radeon_driver_irq_postinstall(struct drm_device *dev)
41217 drm_radeon_private_t *dev_priv =
41218 (drm_radeon_private_t *) dev->dev_private;
41219
41220 - atomic_set(&dev_priv->swi_emitted, 0);
41221 + atomic_set_unchecked(&dev_priv->swi_emitted, 0);
41222 init_waitqueue_head(&dev_priv->swi_queue);
41223
41224 dev->max_vblank_count = 0x001fffff;
41225 diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
41226 index 535403e..5dd655b 100644
41227 --- a/drivers/gpu/drm/radeon/radeon_state.c
41228 +++ b/drivers/gpu/drm/radeon/radeon_state.c
41229 @@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *
41230 if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
41231 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
41232
41233 - if (copy_from_user(&depth_boxes, clear->depth_boxes,
41234 + if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || copy_from_user(&depth_boxes, clear->depth_boxes,
41235 sarea_priv->nbox * sizeof(depth_boxes[0])))
41236 return -EFAULT;
41237
41238 @@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil
41239 {
41240 drm_radeon_private_t *dev_priv = dev->dev_private;
41241 drm_radeon_getparam_t *param = data;
41242 - int value;
41243 + int value = 0;
41244
41245 DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
41246
41247 diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
41248 index d2510cf..63bd4ed 100644
41249 --- a/drivers/gpu/drm/radeon/radeon_ttm.c
41250 +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
41251 @@ -936,7 +936,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size)
41252 man->size = size >> PAGE_SHIFT;
41253 }
41254
41255 -static struct vm_operations_struct radeon_ttm_vm_ops;
41256 +static vm_operations_struct_no_const radeon_ttm_vm_ops __read_only;
41257 static const struct vm_operations_struct *ttm_vm_ops = NULL;
41258
41259 static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
41260 @@ -977,8 +977,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
41261 }
41262 if (unlikely(ttm_vm_ops == NULL)) {
41263 ttm_vm_ops = vma->vm_ops;
41264 + pax_open_kernel();
41265 radeon_ttm_vm_ops = *ttm_vm_ops;
41266 radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
41267 + pax_close_kernel();
41268 }
41269 vma->vm_ops = &radeon_ttm_vm_ops;
41270 return 0;
41271 diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
41272 index 054a79f..30d9ac4 100644
41273 --- a/drivers/gpu/drm/tegra/dc.c
41274 +++ b/drivers/gpu/drm/tegra/dc.c
41275 @@ -1242,7 +1242,7 @@ static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor)
41276 }
41277
41278 for (i = 0; i < ARRAY_SIZE(debugfs_files); i++)
41279 - dc->debugfs_files[i].data = dc;
41280 + *(void **)&dc->debugfs_files[i].data = dc;
41281
41282 err = drm_debugfs_create_files(dc->debugfs_files,
41283 ARRAY_SIZE(debugfs_files),
41284 diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
41285 index f787445..2df2c65 100644
41286 --- a/drivers/gpu/drm/tegra/dsi.c
41287 +++ b/drivers/gpu/drm/tegra/dsi.c
41288 @@ -41,7 +41,7 @@ struct tegra_dsi {
41289 struct clk *clk_lp;
41290 struct clk *clk;
41291
41292 - struct drm_info_list *debugfs_files;
41293 + drm_info_list_no_const *debugfs_files;
41294 struct drm_minor *minor;
41295 struct dentry *debugfs;
41296
41297 diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
41298 index ffe2654..03c7b1c 100644
41299 --- a/drivers/gpu/drm/tegra/hdmi.c
41300 +++ b/drivers/gpu/drm/tegra/hdmi.c
41301 @@ -60,7 +60,7 @@ struct tegra_hdmi {
41302 bool stereo;
41303 bool dvi;
41304
41305 - struct drm_info_list *debugfs_files;
41306 + drm_info_list_no_const *debugfs_files;
41307 struct drm_minor *minor;
41308 struct dentry *debugfs;
41309 };
41310 diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c
41311 index 964387f..4eafc00 100644
41312 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c
41313 +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c
41314 @@ -146,10 +146,10 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
41315 }
41316
41317 const struct ttm_mem_type_manager_func ttm_bo_manager_func = {
41318 - ttm_bo_man_init,
41319 - ttm_bo_man_takedown,
41320 - ttm_bo_man_get_node,
41321 - ttm_bo_man_put_node,
41322 - ttm_bo_man_debug
41323 + .init = ttm_bo_man_init,
41324 + .takedown = ttm_bo_man_takedown,
41325 + .get_node = ttm_bo_man_get_node,
41326 + .put_node = ttm_bo_man_put_node,
41327 + .debug = ttm_bo_man_debug
41328 };
41329 EXPORT_SYMBOL(ttm_bo_manager_func);
41330 diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
41331 index a1803fb..c53f6b0 100644
41332 --- a/drivers/gpu/drm/ttm/ttm_memory.c
41333 +++ b/drivers/gpu/drm/ttm/ttm_memory.c
41334 @@ -264,7 +264,7 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob,
41335 zone->glob = glob;
41336 glob->zone_kernel = zone;
41337 ret = kobject_init_and_add(
41338 - &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
41339 + &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name);
41340 if (unlikely(ret != 0)) {
41341 kobject_put(&zone->kobj);
41342 return ret;
41343 @@ -348,7 +348,7 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob,
41344 zone->glob = glob;
41345 glob->zone_dma32 = zone;
41346 ret = kobject_init_and_add(
41347 - &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
41348 + &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name);
41349 if (unlikely(ret != 0)) {
41350 kobject_put(&zone->kobj);
41351 return ret;
41352 diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
41353 index 025c429..314062f 100644
41354 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
41355 +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
41356 @@ -54,7 +54,7 @@
41357
41358 #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *))
41359 #define SMALL_ALLOCATION 16
41360 -#define FREE_ALL_PAGES (~0U)
41361 +#define FREE_ALL_PAGES (~0UL)
41362 /* times are in msecs */
41363 #define PAGE_FREE_INTERVAL 1000
41364
41365 @@ -299,15 +299,14 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool,
41366 * @free_all: If set to true will free all pages in pool
41367 * @use_static: Safe to use static buffer
41368 **/
41369 -static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free,
41370 +static unsigned long ttm_page_pool_free(struct ttm_page_pool *pool, unsigned long nr_free,
41371 bool use_static)
41372 {
41373 static struct page *static_buf[NUM_PAGES_TO_ALLOC];
41374 unsigned long irq_flags;
41375 struct page *p;
41376 struct page **pages_to_free;
41377 - unsigned freed_pages = 0,
41378 - npages_to_free = nr_free;
41379 + unsigned long freed_pages = 0, npages_to_free = nr_free;
41380
41381 if (NUM_PAGES_TO_ALLOC < nr_free)
41382 npages_to_free = NUM_PAGES_TO_ALLOC;
41383 @@ -371,7 +370,8 @@ restart:
41384 __list_del(&p->lru, &pool->list);
41385
41386 ttm_pool_update_free_locked(pool, freed_pages);
41387 - nr_free -= freed_pages;
41388 + if (likely(nr_free != FREE_ALL_PAGES))
41389 + nr_free -= freed_pages;
41390 }
41391
41392 spin_unlock_irqrestore(&pool->lock, irq_flags);
41393 @@ -399,7 +399,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
41394 unsigned i;
41395 unsigned pool_offset;
41396 struct ttm_page_pool *pool;
41397 - int shrink_pages = sc->nr_to_scan;
41398 + unsigned long shrink_pages = sc->nr_to_scan;
41399 unsigned long freed = 0;
41400
41401 if (!mutex_trylock(&lock))
41402 @@ -407,7 +407,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
41403 pool_offset = ++start_pool % NUM_POOLS;
41404 /* select start pool in round robin fashion */
41405 for (i = 0; i < NUM_POOLS; ++i) {
41406 - unsigned nr_free = shrink_pages;
41407 + unsigned long nr_free = shrink_pages;
41408 if (shrink_pages == 0)
41409 break;
41410 pool = &_manager->pools[(i + pool_offset)%NUM_POOLS];
41411 @@ -673,7 +673,7 @@ out:
41412 }
41413
41414 /* Put all pages in pages list to correct pool to wait for reuse */
41415 -static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
41416 +static void ttm_put_pages(struct page **pages, unsigned long npages, int flags,
41417 enum ttm_caching_state cstate)
41418 {
41419 unsigned long irq_flags;
41420 @@ -728,7 +728,7 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
41421 struct list_head plist;
41422 struct page *p = NULL;
41423 gfp_t gfp_flags = GFP_USER;
41424 - unsigned count;
41425 + unsigned long count;
41426 int r;
41427
41428 /* set zero flag for page allocation if required */
41429 diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
41430 index 01e1d27..aaa018a 100644
41431 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
41432 +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
41433 @@ -56,7 +56,7 @@
41434
41435 #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *))
41436 #define SMALL_ALLOCATION 4
41437 -#define FREE_ALL_PAGES (~0U)
41438 +#define FREE_ALL_PAGES (~0UL)
41439 /* times are in msecs */
41440 #define IS_UNDEFINED (0)
41441 #define IS_WC (1<<1)
41442 @@ -413,7 +413,7 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page)
41443 * @nr_free: If set to true will free all pages in pool
41444 * @use_static: Safe to use static buffer
41445 **/
41446 -static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free,
41447 +static unsigned long ttm_dma_page_pool_free(struct dma_pool *pool, unsigned long nr_free,
41448 bool use_static)
41449 {
41450 static struct page *static_buf[NUM_PAGES_TO_ALLOC];
41451 @@ -421,8 +421,7 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free,
41452 struct dma_page *dma_p, *tmp;
41453 struct page **pages_to_free;
41454 struct list_head d_pages;
41455 - unsigned freed_pages = 0,
41456 - npages_to_free = nr_free;
41457 + unsigned long freed_pages = 0, npages_to_free = nr_free;
41458
41459 if (NUM_PAGES_TO_ALLOC < nr_free)
41460 npages_to_free = NUM_PAGES_TO_ALLOC;
41461 @@ -499,7 +498,8 @@ restart:
41462 /* remove range of pages from the pool */
41463 if (freed_pages) {
41464 ttm_pool_update_free_locked(pool, freed_pages);
41465 - nr_free -= freed_pages;
41466 + if (likely(nr_free != FREE_ALL_PAGES))
41467 + nr_free -= freed_pages;
41468 }
41469
41470 spin_unlock_irqrestore(&pool->lock, irq_flags);
41471 @@ -936,7 +936,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev)
41472 struct dma_page *d_page, *next;
41473 enum pool_type type;
41474 bool is_cached = false;
41475 - unsigned count = 0, i, npages = 0;
41476 + unsigned long count = 0, i, npages = 0;
41477 unsigned long irq_flags;
41478
41479 type = ttm_to_type(ttm->page_flags, ttm->caching_state);
41480 @@ -1012,7 +1012,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
41481 static unsigned start_pool;
41482 unsigned idx = 0;
41483 unsigned pool_offset;
41484 - unsigned shrink_pages = sc->nr_to_scan;
41485 + unsigned long shrink_pages = sc->nr_to_scan;
41486 struct device_pools *p;
41487 unsigned long freed = 0;
41488
41489 @@ -1025,7 +1025,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
41490 goto out;
41491 pool_offset = ++start_pool % _manager->npools;
41492 list_for_each_entry(p, &_manager->pools, pools) {
41493 - unsigned nr_free;
41494 + unsigned long nr_free;
41495
41496 if (!p->dev)
41497 continue;
41498 @@ -1039,7 +1039,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
41499 shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true);
41500 freed += nr_free - shrink_pages;
41501
41502 - pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n",
41503 + pr_debug("%s: (%s:%d) Asked to shrink %lu, have %lu more to go\n",
41504 p->pool->dev_name, p->pool->name, current->pid,
41505 nr_free, shrink_pages);
41506 }
41507 diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
41508 index 8cbcb45..a4d9cf7 100644
41509 --- a/drivers/gpu/drm/udl/udl_fb.c
41510 +++ b/drivers/gpu/drm/udl/udl_fb.c
41511 @@ -367,7 +367,6 @@ static int udl_fb_release(struct fb_info *info, int user)
41512 fb_deferred_io_cleanup(info);
41513 kfree(info->fbdefio);
41514 info->fbdefio = NULL;
41515 - info->fbops->fb_mmap = udl_fb_mmap;
41516 }
41517
41518 pr_warn("released /dev/fb%d user=%d count=%d\n",
41519 diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
41520 index ef8c500..01030c8 100644
41521 --- a/drivers/gpu/drm/via/via_drv.h
41522 +++ b/drivers/gpu/drm/via/via_drv.h
41523 @@ -53,7 +53,7 @@ typedef struct drm_via_ring_buffer {
41524 typedef uint32_t maskarray_t[5];
41525
41526 typedef struct drm_via_irq {
41527 - atomic_t irq_received;
41528 + atomic_unchecked_t irq_received;
41529 uint32_t pending_mask;
41530 uint32_t enable_mask;
41531 wait_queue_head_t irq_queue;
41532 @@ -77,7 +77,7 @@ typedef struct drm_via_private {
41533 struct timeval last_vblank;
41534 int last_vblank_valid;
41535 unsigned usec_per_vblank;
41536 - atomic_t vbl_received;
41537 + atomic_unchecked_t vbl_received;
41538 drm_via_state_t hc_state;
41539 char pci_buf[VIA_PCI_BUF_SIZE];
41540 const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
41541 diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
41542 index 1319433..a993b0c 100644
41543 --- a/drivers/gpu/drm/via/via_irq.c
41544 +++ b/drivers/gpu/drm/via/via_irq.c
41545 @@ -101,7 +101,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
41546 if (crtc != 0)
41547 return 0;
41548
41549 - return atomic_read(&dev_priv->vbl_received);
41550 + return atomic_read_unchecked(&dev_priv->vbl_received);
41551 }
41552
41553 irqreturn_t via_driver_irq_handler(int irq, void *arg)
41554 @@ -116,8 +116,8 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg)
41555
41556 status = VIA_READ(VIA_REG_INTERRUPT);
41557 if (status & VIA_IRQ_VBLANK_PENDING) {
41558 - atomic_inc(&dev_priv->vbl_received);
41559 - if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
41560 + atomic_inc_unchecked(&dev_priv->vbl_received);
41561 + if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) {
41562 do_gettimeofday(&cur_vblank);
41563 if (dev_priv->last_vblank_valid) {
41564 dev_priv->usec_per_vblank =
41565 @@ -127,7 +127,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg)
41566 dev_priv->last_vblank = cur_vblank;
41567 dev_priv->last_vblank_valid = 1;
41568 }
41569 - if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
41570 + if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) {
41571 DRM_DEBUG("US per vblank is: %u\n",
41572 dev_priv->usec_per_vblank);
41573 }
41574 @@ -137,7 +137,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg)
41575
41576 for (i = 0; i < dev_priv->num_irqs; ++i) {
41577 if (status & cur_irq->pending_mask) {
41578 - atomic_inc(&cur_irq->irq_received);
41579 + atomic_inc_unchecked(&cur_irq->irq_received);
41580 wake_up(&cur_irq->irq_queue);
41581 handled = 1;
41582 if (dev_priv->irq_map[drm_via_irq_dma0_td] == i)
41583 @@ -242,11 +242,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence
41584 DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ,
41585 ((VIA_READ(masks[irq][2]) & masks[irq][3]) ==
41586 masks[irq][4]));
41587 - cur_irq_sequence = atomic_read(&cur_irq->irq_received);
41588 + cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received);
41589 } else {
41590 DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ,
41591 (((cur_irq_sequence =
41592 - atomic_read(&cur_irq->irq_received)) -
41593 + atomic_read_unchecked(&cur_irq->irq_received)) -
41594 *sequence) <= (1 << 23)));
41595 }
41596 *sequence = cur_irq_sequence;
41597 @@ -284,7 +284,7 @@ void via_driver_irq_preinstall(struct drm_device *dev)
41598 }
41599
41600 for (i = 0; i < dev_priv->num_irqs; ++i) {
41601 - atomic_set(&cur_irq->irq_received, 0);
41602 + atomic_set_unchecked(&cur_irq->irq_received, 0);
41603 cur_irq->enable_mask = dev_priv->irq_masks[i][0];
41604 cur_irq->pending_mask = dev_priv->irq_masks[i][1];
41605 init_waitqueue_head(&cur_irq->irq_queue);
41606 @@ -366,7 +366,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
41607 switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) {
41608 case VIA_IRQ_RELATIVE:
41609 irqwait->request.sequence +=
41610 - atomic_read(&cur_irq->irq_received);
41611 + atomic_read_unchecked(&cur_irq->irq_received);
41612 irqwait->request.type &= ~_DRM_VBLANK_RELATIVE;
41613 case VIA_IRQ_ABSOLUTE:
41614 break;
41615 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
41616 index 4ee799b..69fc0d1 100644
41617 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
41618 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
41619 @@ -446,7 +446,7 @@ struct vmw_private {
41620 * Fencing and IRQs.
41621 */
41622
41623 - atomic_t marker_seq;
41624 + atomic_unchecked_t marker_seq;
41625 wait_queue_head_t fence_queue;
41626 wait_queue_head_t fifo_queue;
41627 int fence_queue_waiters; /* Protected by hw_mutex */
41628 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
41629 index 09e10ae..cb76c60 100644
41630 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
41631 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
41632 @@ -154,7 +154,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
41633 (unsigned int) min,
41634 (unsigned int) fifo->capabilities);
41635
41636 - atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno);
41637 + atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno);
41638 iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE);
41639 vmw_marker_queue_init(&fifo->marker_queue);
41640 return vmw_fifo_send_fence(dev_priv, &dummy);
41641 @@ -378,7 +378,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
41642 if (reserveable)
41643 iowrite32(bytes, fifo_mem +
41644 SVGA_FIFO_RESERVED);
41645 - return fifo_mem + (next_cmd >> 2);
41646 + return (__le32 __force_kernel *)fifo_mem + (next_cmd >> 2);
41647 } else {
41648 need_bounce = true;
41649 }
41650 @@ -498,7 +498,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
41651
41652 fm = vmw_fifo_reserve(dev_priv, bytes);
41653 if (unlikely(fm == NULL)) {
41654 - *seqno = atomic_read(&dev_priv->marker_seq);
41655 + *seqno = atomic_read_unchecked(&dev_priv->marker_seq);
41656 ret = -ENOMEM;
41657 (void)vmw_fallback_wait(dev_priv, false, true, *seqno,
41658 false, 3*HZ);
41659 @@ -506,7 +506,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
41660 }
41661
41662 do {
41663 - *seqno = atomic_add_return(1, &dev_priv->marker_seq);
41664 + *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq);
41665 } while (*seqno == 0);
41666
41667 if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) {
41668 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
41669 index 170b61b..fec7348 100644
41670 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
41671 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
41672 @@ -164,9 +164,9 @@ static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man,
41673 }
41674
41675 const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = {
41676 - vmw_gmrid_man_init,
41677 - vmw_gmrid_man_takedown,
41678 - vmw_gmrid_man_get_node,
41679 - vmw_gmrid_man_put_node,
41680 - vmw_gmrid_man_debug
41681 + .init = vmw_gmrid_man_init,
41682 + .takedown = vmw_gmrid_man_takedown,
41683 + .get_node = vmw_gmrid_man_get_node,
41684 + .put_node = vmw_gmrid_man_put_node,
41685 + .debug = vmw_gmrid_man_debug
41686 };
41687 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
41688 index 37881ec..319065d 100644
41689 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
41690 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
41691 @@ -235,7 +235,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
41692 int ret;
41693
41694 num_clips = arg->num_clips;
41695 - clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
41696 + clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
41697
41698 if (unlikely(num_clips == 0))
41699 return 0;
41700 @@ -318,7 +318,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
41701 int ret;
41702
41703 num_clips = arg->num_clips;
41704 - clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
41705 + clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
41706
41707 if (unlikely(num_clips == 0))
41708 return 0;
41709 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
41710 index 0c42376..6febe77 100644
41711 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
41712 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
41713 @@ -107,7 +107,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv,
41714 * emitted. Then the fence is stale and signaled.
41715 */
41716
41717 - ret = ((atomic_read(&dev_priv->marker_seq) - seqno)
41718 + ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno)
41719 > VMW_FENCE_WRAP);
41720
41721 return ret;
41722 @@ -138,7 +138,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
41723
41724 if (fifo_idle)
41725 down_read(&fifo_state->rwsem);
41726 - signal_seq = atomic_read(&dev_priv->marker_seq);
41727 + signal_seq = atomic_read_unchecked(&dev_priv->marker_seq);
41728 ret = 0;
41729
41730 for (;;) {
41731 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
41732 index efd1ffd..0ae13ca 100644
41733 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
41734 +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
41735 @@ -135,7 +135,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv,
41736 while (!vmw_lag_lt(queue, us)) {
41737 spin_lock(&queue->lock);
41738 if (list_empty(&queue->head))
41739 - seqno = atomic_read(&dev_priv->marker_seq);
41740 + seqno = atomic_read_unchecked(&dev_priv->marker_seq);
41741 else {
41742 marker = list_first_entry(&queue->head,
41743 struct vmw_marker, head);
41744 diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
41745 index 37ac7b5..d52a5c9 100644
41746 --- a/drivers/gpu/vga/vga_switcheroo.c
41747 +++ b/drivers/gpu/vga/vga_switcheroo.c
41748 @@ -644,7 +644,7 @@ static int vga_switcheroo_runtime_resume(struct device *dev)
41749
41750 /* this version is for the case where the power switch is separate
41751 to the device being powered down. */
41752 -int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain)
41753 +int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain)
41754 {
41755 /* copy over all the bus versions */
41756 if (dev->bus && dev->bus->pm) {
41757 @@ -695,7 +695,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev)
41758 return ret;
41759 }
41760
41761 -int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain)
41762 +int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain)
41763 {
41764 /* copy over all the bus versions */
41765 if (dev->bus && dev->bus->pm) {
41766 diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
41767 index dfaccfc..bfea740 100644
41768 --- a/drivers/hid/hid-core.c
41769 +++ b/drivers/hid/hid-core.c
41770 @@ -2507,7 +2507,7 @@ EXPORT_SYMBOL_GPL(hid_ignore);
41771
41772 int hid_add_device(struct hid_device *hdev)
41773 {
41774 - static atomic_t id = ATOMIC_INIT(0);
41775 + static atomic_unchecked_t id = ATOMIC_INIT(0);
41776 int ret;
41777
41778 if (WARN_ON(hdev->status & HID_STAT_ADDED))
41779 @@ -2549,7 +2549,7 @@ int hid_add_device(struct hid_device *hdev)
41780 /* XXX hack, any other cleaner solution after the driver core
41781 * is converted to allow more than 20 bytes as the device name? */
41782 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
41783 - hdev->vendor, hdev->product, atomic_inc_return(&id));
41784 + hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id));
41785
41786 hid_debug_register(hdev, dev_name(&hdev->dev));
41787 ret = device_add(&hdev->dev);
41788 diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
41789 index 71f5692..147d3da 100644
41790 --- a/drivers/hid/hid-logitech-dj.c
41791 +++ b/drivers/hid/hid-logitech-dj.c
41792 @@ -658,6 +658,12 @@ static int logi_dj_raw_event(struct hid_device *hdev,
41793 * device (via hid_input_report() ) and return 1 so hid-core does not do
41794 * anything else with it.
41795 */
41796 + if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) ||
41797 + (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
41798 + dev_err(&hdev->dev, "%s: invalid device index:%d\n",
41799 + __func__, dj_report->device_index);
41800 + return false;
41801 + }
41802
41803 /* case 1) */
41804 if (data[0] != REPORT_ID_DJ_SHORT)
41805 diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
41806 index bc4269e..b6e6102 100644
41807 --- a/drivers/hid/hid-sony.c
41808 +++ b/drivers/hid/hid-sony.c
41809 @@ -798,6 +798,12 @@ union sixaxis_output_report_01 {
41810 __u8 buf[36];
41811 };
41812
41813 +#define DS4_REPORT_0x02_SIZE 37
41814 +#define DS4_REPORT_0x05_SIZE 32
41815 +#define DS4_REPORT_0x11_SIZE 78
41816 +#define DS4_REPORT_0x81_SIZE 7
41817 +#define SIXAXIS_REPORT_0xF2_SIZE 18
41818 +
41819 static spinlock_t sony_dev_list_lock;
41820 static LIST_HEAD(sony_device_list);
41821 static DEFINE_IDA(sony_device_id_allocator);
41822 @@ -811,6 +817,7 @@ struct sony_sc {
41823 struct work_struct state_worker;
41824 struct power_supply battery;
41825 int device_id;
41826 + __u8 *output_report_dmabuf;
41827
41828 #ifdef CONFIG_SONY_FF
41829 __u8 left;
41830 @@ -1142,9 +1149,20 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
41831
41832 static int sixaxis_set_operational_bt(struct hid_device *hdev)
41833 {
41834 - unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
41835 - return hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
41836 + static const __u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
41837 + __u8 *buf;
41838 + int ret;
41839 +
41840 + buf = kmemdup(report, sizeof(report), GFP_KERNEL);
41841 + if (!buf)
41842 + return -ENOMEM;
41843 +
41844 + ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report),
41845 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
41846 +
41847 + kfree(buf);
41848 +
41849 + return ret;
41850 }
41851
41852 /*
41853 @@ -1153,10 +1171,19 @@ static int sixaxis_set_operational_bt(struct hid_device *hdev)
41854 */
41855 static int dualshock4_set_operational_bt(struct hid_device *hdev)
41856 {
41857 - __u8 buf[37] = { 0 };
41858 + __u8 *buf;
41859 + int ret;
41860
41861 - return hid_hw_raw_request(hdev, 0x02, buf, sizeof(buf),
41862 + buf = kmalloc(DS4_REPORT_0x02_SIZE, GFP_KERNEL);
41863 + if (!buf)
41864 + return -ENOMEM;
41865 +
41866 + ret = hid_hw_raw_request(hdev, 0x02, buf, DS4_REPORT_0x02_SIZE,
41867 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
41868 +
41869 + kfree(buf);
41870 +
41871 + return ret;
41872 }
41873
41874 static void sixaxis_set_leds_from_id(int id, __u8 values[MAX_LEDS])
41875 @@ -1471,9 +1498,7 @@ error_leds:
41876
41877 static void sixaxis_state_worker(struct work_struct *work)
41878 {
41879 - struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
41880 - int n;
41881 - union sixaxis_output_report_01 report = {
41882 + static const union sixaxis_output_report_01 default_report = {
41883 .buf = {
41884 0x01,
41885 0x00, 0xff, 0x00, 0xff, 0x00,
41886 @@ -1485,20 +1510,27 @@ static void sixaxis_state_worker(struct work_struct *work)
41887 0x00, 0x00, 0x00, 0x00, 0x00
41888 }
41889 };
41890 + struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
41891 + struct sixaxis_output_report *report =
41892 + (struct sixaxis_output_report *)sc->output_report_dmabuf;
41893 + int n;
41894 +
41895 + /* Initialize the report with default values */
41896 + memcpy(report, &default_report, sizeof(struct sixaxis_output_report));
41897
41898 #ifdef CONFIG_SONY_FF
41899 - report.data.rumble.right_motor_on = sc->right ? 1 : 0;
41900 - report.data.rumble.left_motor_force = sc->left;
41901 + report->rumble.right_motor_on = sc->right ? 1 : 0;
41902 + report->rumble.left_motor_force = sc->left;
41903 #endif
41904
41905 - report.data.leds_bitmap |= sc->led_state[0] << 1;
41906 - report.data.leds_bitmap |= sc->led_state[1] << 2;
41907 - report.data.leds_bitmap |= sc->led_state[2] << 3;
41908 - report.data.leds_bitmap |= sc->led_state[3] << 4;
41909 + report->leds_bitmap |= sc->led_state[0] << 1;
41910 + report->leds_bitmap |= sc->led_state[1] << 2;
41911 + report->leds_bitmap |= sc->led_state[2] << 3;
41912 + report->leds_bitmap |= sc->led_state[3] << 4;
41913
41914 /* Set flag for all leds off, required for 3rd party INTEC controller */
41915 - if ((report.data.leds_bitmap & 0x1E) == 0)
41916 - report.data.leds_bitmap |= 0x20;
41917 + if ((report->leds_bitmap & 0x1E) == 0)
41918 + report->leds_bitmap |= 0x20;
41919
41920 /*
41921 * The LEDs in the report are indexed in reverse order to their
41922 @@ -1511,28 +1543,30 @@ static void sixaxis_state_worker(struct work_struct *work)
41923 */
41924 for (n = 0; n < 4; n++) {
41925 if (sc->led_delay_on[n] || sc->led_delay_off[n]) {
41926 - report.data.led[3 - n].duty_off = sc->led_delay_off[n];
41927 - report.data.led[3 - n].duty_on = sc->led_delay_on[n];
41928 + report->led[3 - n].duty_off = sc->led_delay_off[n];
41929 + report->led[3 - n].duty_on = sc->led_delay_on[n];
41930 }
41931 }
41932
41933 - hid_hw_raw_request(sc->hdev, report.data.report_id, report.buf,
41934 - sizeof(report), HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
41935 + hid_hw_raw_request(sc->hdev, report->report_id, (__u8 *)report,
41936 + sizeof(struct sixaxis_output_report),
41937 + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
41938 }
41939
41940 static void dualshock4_state_worker(struct work_struct *work)
41941 {
41942 struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
41943 struct hid_device *hdev = sc->hdev;
41944 + __u8 *buf = sc->output_report_dmabuf;
41945 int offset;
41946
41947 - __u8 buf[78] = { 0 };
41948 -
41949 if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
41950 + memset(buf, 0, DS4_REPORT_0x05_SIZE);
41951 buf[0] = 0x05;
41952 buf[1] = 0xFF;
41953 offset = 4;
41954 } else {
41955 + memset(buf, 0, DS4_REPORT_0x11_SIZE);
41956 buf[0] = 0x11;
41957 buf[1] = 0xB0;
41958 buf[3] = 0x0F;
41959 @@ -1560,12 +1594,33 @@ static void dualshock4_state_worker(struct work_struct *work)
41960 buf[offset++] = sc->led_delay_off[3];
41961
41962 if (sc->quirks & DUALSHOCK4_CONTROLLER_USB)
41963 - hid_hw_output_report(hdev, buf, 32);
41964 + hid_hw_output_report(hdev, buf, DS4_REPORT_0x05_SIZE);
41965 else
41966 - hid_hw_raw_request(hdev, 0x11, buf, 78,
41967 + hid_hw_raw_request(hdev, 0x11, buf, DS4_REPORT_0x11_SIZE,
41968 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
41969 }
41970
41971 +static int sony_allocate_output_report(struct sony_sc *sc)
41972 +{
41973 + if (sc->quirks & SIXAXIS_CONTROLLER)
41974 + sc->output_report_dmabuf =
41975 + kmalloc(sizeof(union sixaxis_output_report_01),
41976 + GFP_KERNEL);
41977 + else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
41978 + sc->output_report_dmabuf = kmalloc(DS4_REPORT_0x11_SIZE,
41979 + GFP_KERNEL);
41980 + else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB)
41981 + sc->output_report_dmabuf = kmalloc(DS4_REPORT_0x05_SIZE,
41982 + GFP_KERNEL);
41983 + else
41984 + return 0;
41985 +
41986 + if (!sc->output_report_dmabuf)
41987 + return -ENOMEM;
41988 +
41989 + return 0;
41990 +}
41991 +
41992 #ifdef CONFIG_SONY_FF
41993 static int sony_play_effect(struct input_dev *dev, void *data,
41994 struct ff_effect *effect)
41995 @@ -1754,6 +1809,7 @@ static int sony_get_bt_devaddr(struct sony_sc *sc)
41996
41997 static int sony_check_add(struct sony_sc *sc)
41998 {
41999 + __u8 *buf = NULL;
42000 int n, ret;
42001
42002 if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
42003 @@ -1769,36 +1825,44 @@ static int sony_check_add(struct sony_sc *sc)
42004 return 0;
42005 }
42006 } else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
42007 - __u8 buf[7];
42008 + buf = kmalloc(DS4_REPORT_0x81_SIZE, GFP_KERNEL);
42009 + if (!buf)
42010 + return -ENOMEM;
42011
42012 /*
42013 * The MAC address of a DS4 controller connected via USB can be
42014 * retrieved with feature report 0x81. The address begins at
42015 * offset 1.
42016 */
42017 - ret = hid_hw_raw_request(sc->hdev, 0x81, buf, sizeof(buf),
42018 - HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
42019 + ret = hid_hw_raw_request(sc->hdev, 0x81, buf,
42020 + DS4_REPORT_0x81_SIZE, HID_FEATURE_REPORT,
42021 + HID_REQ_GET_REPORT);
42022
42023 - if (ret != 7) {
42024 + if (ret != DS4_REPORT_0x81_SIZE) {
42025 hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
42026 - return ret < 0 ? ret : -EINVAL;
42027 + ret = ret < 0 ? ret : -EINVAL;
42028 + goto out_free;
42029 }
42030
42031 memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
42032 } else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
42033 - __u8 buf[18];
42034 + buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
42035 + if (!buf)
42036 + return -ENOMEM;
42037
42038 /*
42039 * The MAC address of a Sixaxis controller connected via USB can
42040 * be retrieved with feature report 0xf2. The address begins at
42041 * offset 4.
42042 */
42043 - ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, sizeof(buf),
42044 - HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
42045 + ret = hid_hw_raw_request(sc->hdev, 0xf2, buf,
42046 + SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT,
42047 + HID_REQ_GET_REPORT);
42048
42049 - if (ret != 18) {
42050 + if (ret != SIXAXIS_REPORT_0xF2_SIZE) {
42051 hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
42052 - return ret < 0 ? ret : -EINVAL;
42053 + ret = ret < 0 ? ret : -EINVAL;
42054 + goto out_free;
42055 }
42056
42057 /*
42058 @@ -1811,7 +1875,13 @@ static int sony_check_add(struct sony_sc *sc)
42059 return 0;
42060 }
42061
42062 - return sony_check_add_dev_list(sc);
42063 + ret = sony_check_add_dev_list(sc);
42064 +
42065 +out_free:
42066 +
42067 + kfree(buf);
42068 +
42069 + return ret;
42070 }
42071
42072 static int sony_set_device_id(struct sony_sc *sc)
42073 @@ -1895,6 +1965,12 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
42074 return ret;
42075 }
42076
42077 + ret = sony_allocate_output_report(sc);
42078 + if (ret < 0) {
42079 + hid_err(hdev, "failed to allocate the output report buffer\n");
42080 + goto err_stop;
42081 + }
42082 +
42083 ret = sony_set_device_id(sc);
42084 if (ret < 0) {
42085 hid_err(hdev, "failed to allocate the device id\n");
42086 @@ -1984,6 +2060,7 @@ err_stop:
42087 if (sc->quirks & SONY_BATTERY_SUPPORT)
42088 sony_battery_remove(sc);
42089 sony_cancel_work_sync(sc);
42090 + kfree(sc->output_report_dmabuf);
42091 sony_remove_dev_list(sc);
42092 sony_release_device_id(sc);
42093 hid_hw_stop(hdev);
42094 @@ -2004,6 +2081,8 @@ static void sony_remove(struct hid_device *hdev)
42095
42096 sony_cancel_work_sync(sc);
42097
42098 + kfree(sc->output_report_dmabuf);
42099 +
42100 sony_remove_dev_list(sc);
42101
42102 sony_release_device_id(sc);
42103 diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
42104 index c13fb5b..55a3802 100644
42105 --- a/drivers/hid/hid-wiimote-debug.c
42106 +++ b/drivers/hid/hid-wiimote-debug.c
42107 @@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
42108 else if (size == 0)
42109 return -EIO;
42110
42111 - if (copy_to_user(u, buf, size))
42112 + if (size > sizeof(buf) || copy_to_user(u, buf, size))
42113 return -EFAULT;
42114
42115 *off += size;
42116 diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
42117 index 433f72a..2926005 100644
42118 --- a/drivers/hv/channel.c
42119 +++ b/drivers/hv/channel.c
42120 @@ -366,8 +366,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
42121 unsigned long flags;
42122 int ret = 0;
42123
42124 - next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle);
42125 - atomic_inc(&vmbus_connection.next_gpadl_handle);
42126 + next_gpadl_handle = atomic_read_unchecked(&vmbus_connection.next_gpadl_handle);
42127 + atomic_inc_unchecked(&vmbus_connection.next_gpadl_handle);
42128
42129 ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount);
42130 if (ret)
42131 diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
42132 index 3e4235c..877d0e5 100644
42133 --- a/drivers/hv/hv.c
42134 +++ b/drivers/hv/hv.c
42135 @@ -112,7 +112,7 @@ static u64 do_hypercall(u64 control, void *input, void *output)
42136 u64 output_address = (output) ? virt_to_phys(output) : 0;
42137 u32 output_address_hi = output_address >> 32;
42138 u32 output_address_lo = output_address & 0xFFFFFFFF;
42139 - void *hypercall_page = hv_context.hypercall_page;
42140 + void *hypercall_page = ktva_ktla(hv_context.hypercall_page);
42141
42142 __asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi),
42143 "=a"(hv_status_lo) : "d" (control_hi),
42144 @@ -156,7 +156,7 @@ int hv_init(void)
42145 /* See if the hypercall page is already set */
42146 rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
42147
42148 - virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC);
42149 + virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX);
42150
42151 if (!virtaddr)
42152 goto cleanup;
42153 diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
42154 index 5e90c5d..d8fcefb 100644
42155 --- a/drivers/hv/hv_balloon.c
42156 +++ b/drivers/hv/hv_balloon.c
42157 @@ -470,7 +470,7 @@ MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add");
42158
42159 module_param(pressure_report_delay, uint, (S_IRUGO | S_IWUSR));
42160 MODULE_PARM_DESC(pressure_report_delay, "Delay in secs in reporting pressure");
42161 -static atomic_t trans_id = ATOMIC_INIT(0);
42162 +static atomic_unchecked_t trans_id = ATOMIC_INIT(0);
42163
42164 static int dm_ring_size = (5 * PAGE_SIZE);
42165
42166 @@ -893,7 +893,7 @@ static void hot_add_req(struct work_struct *dummy)
42167 pr_info("Memory hot add failed\n");
42168
42169 dm->state = DM_INITIALIZED;
42170 - resp.hdr.trans_id = atomic_inc_return(&trans_id);
42171 + resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42172 vmbus_sendpacket(dm->dev->channel, &resp,
42173 sizeof(struct dm_hot_add_response),
42174 (unsigned long)NULL,
42175 @@ -973,7 +973,7 @@ static void post_status(struct hv_dynmem_device *dm)
42176 memset(&status, 0, sizeof(struct dm_status));
42177 status.hdr.type = DM_STATUS_REPORT;
42178 status.hdr.size = sizeof(struct dm_status);
42179 - status.hdr.trans_id = atomic_inc_return(&trans_id);
42180 + status.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42181
42182 /*
42183 * The host expects the guest to report free memory.
42184 @@ -993,7 +993,7 @@ static void post_status(struct hv_dynmem_device *dm)
42185 * send the status. This can happen if we were interrupted
42186 * after we picked our transaction ID.
42187 */
42188 - if (status.hdr.trans_id != atomic_read(&trans_id))
42189 + if (status.hdr.trans_id != atomic_read_unchecked(&trans_id))
42190 return;
42191
42192 /*
42193 @@ -1129,7 +1129,7 @@ static void balloon_up(struct work_struct *dummy)
42194 */
42195
42196 do {
42197 - bl_resp->hdr.trans_id = atomic_inc_return(&trans_id);
42198 + bl_resp->hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42199 ret = vmbus_sendpacket(dm_device.dev->channel,
42200 bl_resp,
42201 bl_resp->hdr.size,
42202 @@ -1175,7 +1175,7 @@ static void balloon_down(struct hv_dynmem_device *dm,
42203
42204 memset(&resp, 0, sizeof(struct dm_unballoon_response));
42205 resp.hdr.type = DM_UNBALLOON_RESPONSE;
42206 - resp.hdr.trans_id = atomic_inc_return(&trans_id);
42207 + resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42208 resp.hdr.size = sizeof(struct dm_unballoon_response);
42209
42210 vmbus_sendpacket(dm_device.dev->channel, &resp,
42211 @@ -1239,7 +1239,7 @@ static void version_resp(struct hv_dynmem_device *dm,
42212 memset(&version_req, 0, sizeof(struct dm_version_request));
42213 version_req.hdr.type = DM_VERSION_REQUEST;
42214 version_req.hdr.size = sizeof(struct dm_version_request);
42215 - version_req.hdr.trans_id = atomic_inc_return(&trans_id);
42216 + version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42217 version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN7;
42218 version_req.is_last_attempt = 1;
42219
42220 @@ -1409,7 +1409,7 @@ static int balloon_probe(struct hv_device *dev,
42221 memset(&version_req, 0, sizeof(struct dm_version_request));
42222 version_req.hdr.type = DM_VERSION_REQUEST;
42223 version_req.hdr.size = sizeof(struct dm_version_request);
42224 - version_req.hdr.trans_id = atomic_inc_return(&trans_id);
42225 + version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42226 version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN8;
42227 version_req.is_last_attempt = 0;
42228
42229 @@ -1440,7 +1440,7 @@ static int balloon_probe(struct hv_device *dev,
42230 memset(&cap_msg, 0, sizeof(struct dm_capabilities));
42231 cap_msg.hdr.type = DM_CAPABILITIES_REPORT;
42232 cap_msg.hdr.size = sizeof(struct dm_capabilities);
42233 - cap_msg.hdr.trans_id = atomic_inc_return(&trans_id);
42234 + cap_msg.hdr.trans_id = atomic_inc_return_unchecked(&trans_id);
42235
42236 cap_msg.caps.cap_bits.balloon = 1;
42237 cap_msg.caps.cap_bits.hot_add = 1;
42238 diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
42239 index c386d8d..d6004c4 100644
42240 --- a/drivers/hv/hyperv_vmbus.h
42241 +++ b/drivers/hv/hyperv_vmbus.h
42242 @@ -611,7 +611,7 @@ enum vmbus_connect_state {
42243 struct vmbus_connection {
42244 enum vmbus_connect_state conn_state;
42245
42246 - atomic_t next_gpadl_handle;
42247 + atomic_unchecked_t next_gpadl_handle;
42248
42249 /*
42250 * Represents channel interrupts. Each bit position represents a
42251 diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
42252 index 4d6b269..2e23b86 100644
42253 --- a/drivers/hv/vmbus_drv.c
42254 +++ b/drivers/hv/vmbus_drv.c
42255 @@ -807,10 +807,10 @@ int vmbus_device_register(struct hv_device *child_device_obj)
42256 {
42257 int ret = 0;
42258
42259 - static atomic_t device_num = ATOMIC_INIT(0);
42260 + static atomic_unchecked_t device_num = ATOMIC_INIT(0);
42261
42262 dev_set_name(&child_device_obj->device, "vmbus_0_%d",
42263 - atomic_inc_return(&device_num));
42264 + atomic_inc_return_unchecked(&device_num));
42265
42266 child_device_obj->device.bus = &hv_bus;
42267 child_device_obj->device.parent = &hv_acpi_dev->dev;
42268 diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
42269 index 579bdf9..75118b5 100644
42270 --- a/drivers/hwmon/acpi_power_meter.c
42271 +++ b/drivers/hwmon/acpi_power_meter.c
42272 @@ -116,7 +116,7 @@ struct sensor_template {
42273 struct device_attribute *devattr,
42274 const char *buf, size_t count);
42275 int index;
42276 -};
42277 +} __do_const;
42278
42279 /* Averaging interval */
42280 static int update_avg_interval(struct acpi_power_meter_resource *resource)
42281 @@ -631,7 +631,7 @@ static int register_attrs(struct acpi_power_meter_resource *resource,
42282 struct sensor_template *attrs)
42283 {
42284 struct device *dev = &resource->acpi_dev->dev;
42285 - struct sensor_device_attribute *sensors =
42286 + sensor_device_attribute_no_const *sensors =
42287 &resource->sensors[resource->num_sensors];
42288 int res = 0;
42289
42290 diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
42291 index 3288f13..71cfb4e 100644
42292 --- a/drivers/hwmon/applesmc.c
42293 +++ b/drivers/hwmon/applesmc.c
42294 @@ -1106,7 +1106,7 @@ static int applesmc_create_nodes(struct applesmc_node_group *groups, int num)
42295 {
42296 struct applesmc_node_group *grp;
42297 struct applesmc_dev_attr *node;
42298 - struct attribute *attr;
42299 + attribute_no_const *attr;
42300 int ret, i;
42301
42302 for (grp = groups; grp->format; grp++) {
42303 diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
42304 index cccef87..06ce8ec 100644
42305 --- a/drivers/hwmon/asus_atk0110.c
42306 +++ b/drivers/hwmon/asus_atk0110.c
42307 @@ -147,10 +147,10 @@ MODULE_DEVICE_TABLE(acpi, atk_ids);
42308 struct atk_sensor_data {
42309 struct list_head list;
42310 struct atk_data *data;
42311 - struct device_attribute label_attr;
42312 - struct device_attribute input_attr;
42313 - struct device_attribute limit1_attr;
42314 - struct device_attribute limit2_attr;
42315 + device_attribute_no_const label_attr;
42316 + device_attribute_no_const input_attr;
42317 + device_attribute_no_const limit1_attr;
42318 + device_attribute_no_const limit2_attr;
42319 char label_attr_name[ATTR_NAME_SIZE];
42320 char input_attr_name[ATTR_NAME_SIZE];
42321 char limit1_attr_name[ATTR_NAME_SIZE];
42322 @@ -270,7 +270,7 @@ static ssize_t atk_name_show(struct device *dev,
42323 static struct device_attribute atk_name_attr =
42324 __ATTR(name, 0444, atk_name_show, NULL);
42325
42326 -static void atk_init_attribute(struct device_attribute *attr, char *name,
42327 +static void atk_init_attribute(device_attribute_no_const *attr, char *name,
42328 sysfs_show_func show)
42329 {
42330 sysfs_attr_init(&attr->attr);
42331 diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
42332 index d76f0b7..55ae976 100644
42333 --- a/drivers/hwmon/coretemp.c
42334 +++ b/drivers/hwmon/coretemp.c
42335 @@ -784,7 +784,7 @@ static int coretemp_cpu_callback(struct notifier_block *nfb,
42336 return NOTIFY_OK;
42337 }
42338
42339 -static struct notifier_block coretemp_cpu_notifier __refdata = {
42340 +static struct notifier_block coretemp_cpu_notifier = {
42341 .notifier_call = coretemp_cpu_callback,
42342 };
42343
42344 diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
42345 index 7a8a6fb..015c1fd 100644
42346 --- a/drivers/hwmon/ibmaem.c
42347 +++ b/drivers/hwmon/ibmaem.c
42348 @@ -924,7 +924,7 @@ static int aem_register_sensors(struct aem_data *data,
42349 struct aem_rw_sensor_template *rw)
42350 {
42351 struct device *dev = &data->pdev->dev;
42352 - struct sensor_device_attribute *sensors = data->sensors;
42353 + sensor_device_attribute_no_const *sensors = data->sensors;
42354 int err;
42355
42356 /* Set up read-only sensors */
42357 diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c
42358 index 14c82da..09b25d7 100644
42359 --- a/drivers/hwmon/iio_hwmon.c
42360 +++ b/drivers/hwmon/iio_hwmon.c
42361 @@ -61,7 +61,7 @@ static int iio_hwmon_probe(struct platform_device *pdev)
42362 {
42363 struct device *dev = &pdev->dev;
42364 struct iio_hwmon_state *st;
42365 - struct sensor_device_attribute *a;
42366 + sensor_device_attribute_no_const *a;
42367 int ret, i;
42368 int in_i = 1, temp_i = 1, curr_i = 1;
42369 enum iio_chan_type type;
42370 diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c
42371 index 7710f46..427a28d 100644
42372 --- a/drivers/hwmon/nct6683.c
42373 +++ b/drivers/hwmon/nct6683.c
42374 @@ -397,11 +397,11 @@ static struct attribute_group *
42375 nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg,
42376 int repeat)
42377 {
42378 - struct sensor_device_attribute_2 *a2;
42379 - struct sensor_device_attribute *a;
42380 + sensor_device_attribute_2_no_const *a2;
42381 + sensor_device_attribute_no_const *a;
42382 struct sensor_device_template **t;
42383 struct sensor_device_attr_u *su;
42384 - struct attribute_group *group;
42385 + attribute_group_no_const *group;
42386 struct attribute **attrs;
42387 int i, j, count;
42388
42389 diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
42390 index 504cbdd..35d6f25 100644
42391 --- a/drivers/hwmon/nct6775.c
42392 +++ b/drivers/hwmon/nct6775.c
42393 @@ -943,10 +943,10 @@ static struct attribute_group *
42394 nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
42395 int repeat)
42396 {
42397 - struct attribute_group *group;
42398 + attribute_group_no_const *group;
42399 struct sensor_device_attr_u *su;
42400 - struct sensor_device_attribute *a;
42401 - struct sensor_device_attribute_2 *a2;
42402 + sensor_device_attribute_no_const *a;
42403 + sensor_device_attribute_2_no_const *a2;
42404 struct attribute **attrs;
42405 struct sensor_device_template **t;
42406 int i, count;
42407 diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
42408 index 291d11f..3f0dbbd 100644
42409 --- a/drivers/hwmon/pmbus/pmbus_core.c
42410 +++ b/drivers/hwmon/pmbus/pmbus_core.c
42411 @@ -783,7 +783,7 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr)
42412 return 0;
42413 }
42414
42415 -static void pmbus_dev_attr_init(struct device_attribute *dev_attr,
42416 +static void pmbus_dev_attr_init(device_attribute_no_const *dev_attr,
42417 const char *name,
42418 umode_t mode,
42419 ssize_t (*show)(struct device *dev,
42420 @@ -800,7 +800,7 @@ static void pmbus_dev_attr_init(struct device_attribute *dev_attr,
42421 dev_attr->store = store;
42422 }
42423
42424 -static void pmbus_attr_init(struct sensor_device_attribute *a,
42425 +static void pmbus_attr_init(sensor_device_attribute_no_const *a,
42426 const char *name,
42427 umode_t mode,
42428 ssize_t (*show)(struct device *dev,
42429 @@ -822,7 +822,7 @@ static int pmbus_add_boolean(struct pmbus_data *data,
42430 u16 reg, u8 mask)
42431 {
42432 struct pmbus_boolean *boolean;
42433 - struct sensor_device_attribute *a;
42434 + sensor_device_attribute_no_const *a;
42435
42436 boolean = devm_kzalloc(data->dev, sizeof(*boolean), GFP_KERNEL);
42437 if (!boolean)
42438 @@ -847,7 +847,7 @@ static struct pmbus_sensor *pmbus_add_sensor(struct pmbus_data *data,
42439 bool update, bool readonly)
42440 {
42441 struct pmbus_sensor *sensor;
42442 - struct device_attribute *a;
42443 + device_attribute_no_const *a;
42444
42445 sensor = devm_kzalloc(data->dev, sizeof(*sensor), GFP_KERNEL);
42446 if (!sensor)
42447 @@ -878,7 +878,7 @@ static int pmbus_add_label(struct pmbus_data *data,
42448 const char *lstring, int index)
42449 {
42450 struct pmbus_label *label;
42451 - struct device_attribute *a;
42452 + device_attribute_no_const *a;
42453
42454 label = devm_kzalloc(data->dev, sizeof(*label), GFP_KERNEL);
42455 if (!label)
42456 diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
42457 index 97cd45a..ac54d8b 100644
42458 --- a/drivers/hwmon/sht15.c
42459 +++ b/drivers/hwmon/sht15.c
42460 @@ -169,7 +169,7 @@ struct sht15_data {
42461 int supply_uv;
42462 bool supply_uv_valid;
42463 struct work_struct update_supply_work;
42464 - atomic_t interrupt_handled;
42465 + atomic_unchecked_t interrupt_handled;
42466 };
42467
42468 /**
42469 @@ -542,13 +542,13 @@ static int sht15_measurement(struct sht15_data *data,
42470 ret = gpio_direction_input(data->pdata->gpio_data);
42471 if (ret)
42472 return ret;
42473 - atomic_set(&data->interrupt_handled, 0);
42474 + atomic_set_unchecked(&data->interrupt_handled, 0);
42475
42476 enable_irq(gpio_to_irq(data->pdata->gpio_data));
42477 if (gpio_get_value(data->pdata->gpio_data) == 0) {
42478 disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));
42479 /* Only relevant if the interrupt hasn't occurred. */
42480 - if (!atomic_read(&data->interrupt_handled))
42481 + if (!atomic_read_unchecked(&data->interrupt_handled))
42482 schedule_work(&data->read_work);
42483 }
42484 ret = wait_event_timeout(data->wait_queue,
42485 @@ -820,7 +820,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d)
42486
42487 /* First disable the interrupt */
42488 disable_irq_nosync(irq);
42489 - atomic_inc(&data->interrupt_handled);
42490 + atomic_inc_unchecked(&data->interrupt_handled);
42491 /* Then schedule a reading work struct */
42492 if (data->state != SHT15_READING_NOTHING)
42493 schedule_work(&data->read_work);
42494 @@ -842,11 +842,11 @@ static void sht15_bh_read_data(struct work_struct *work_s)
42495 * If not, then start the interrupt again - care here as could
42496 * have gone low in meantime so verify it hasn't!
42497 */
42498 - atomic_set(&data->interrupt_handled, 0);
42499 + atomic_set_unchecked(&data->interrupt_handled, 0);
42500 enable_irq(gpio_to_irq(data->pdata->gpio_data));
42501 /* If still not occurred or another handler was scheduled */
42502 if (gpio_get_value(data->pdata->gpio_data)
42503 - || atomic_read(&data->interrupt_handled))
42504 + || atomic_read_unchecked(&data->interrupt_handled))
42505 return;
42506 }
42507
42508 diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c
42509 index 8df43c5..b07b91d 100644
42510 --- a/drivers/hwmon/via-cputemp.c
42511 +++ b/drivers/hwmon/via-cputemp.c
42512 @@ -296,7 +296,7 @@ static int via_cputemp_cpu_callback(struct notifier_block *nfb,
42513 return NOTIFY_OK;
42514 }
42515
42516 -static struct notifier_block via_cputemp_cpu_notifier __refdata = {
42517 +static struct notifier_block via_cputemp_cpu_notifier = {
42518 .notifier_call = via_cputemp_cpu_callback,
42519 };
42520
42521 diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
42522 index 65e3240..e6c511d 100644
42523 --- a/drivers/i2c/busses/i2c-amd756-s4882.c
42524 +++ b/drivers/i2c/busses/i2c-amd756-s4882.c
42525 @@ -39,7 +39,7 @@
42526 extern struct i2c_adapter amd756_smbus;
42527
42528 static struct i2c_adapter *s4882_adapter;
42529 -static struct i2c_algorithm *s4882_algo;
42530 +static i2c_algorithm_no_const *s4882_algo;
42531
42532 /* Wrapper access functions for multiplexed SMBus */
42533 static DEFINE_MUTEX(amd756_lock);
42534 diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
42535 index b19a310..d6eece0 100644
42536 --- a/drivers/i2c/busses/i2c-diolan-u2c.c
42537 +++ b/drivers/i2c/busses/i2c-diolan-u2c.c
42538 @@ -98,7 +98,7 @@ MODULE_PARM_DESC(frequency, "I2C clock frequency in hertz");
42539 /* usb layer */
42540
42541 /* Send command to device, and get response. */
42542 -static int diolan_usb_transfer(struct i2c_diolan_u2c *dev)
42543 +static int __intentional_overflow(-1) diolan_usb_transfer(struct i2c_diolan_u2c *dev)
42544 {
42545 int ret = 0;
42546 int actual;
42547 diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c
42548 index 88eda09..cf40434 100644
42549 --- a/drivers/i2c/busses/i2c-nforce2-s4985.c
42550 +++ b/drivers/i2c/busses/i2c-nforce2-s4985.c
42551 @@ -37,7 +37,7 @@
42552 extern struct i2c_adapter *nforce2_smbus;
42553
42554 static struct i2c_adapter *s4985_adapter;
42555 -static struct i2c_algorithm *s4985_algo;
42556 +static i2c_algorithm_no_const *s4985_algo;
42557
42558 /* Wrapper access functions for multiplexed SMBus */
42559 static DEFINE_MUTEX(nforce2_lock);
42560 diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
42561 index 71c7a39..71dd3e0 100644
42562 --- a/drivers/i2c/i2c-dev.c
42563 +++ b/drivers/i2c/i2c-dev.c
42564 @@ -272,7 +272,7 @@ static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client,
42565 break;
42566 }
42567
42568 - data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf;
42569 + data_ptrs[i] = (u8 __force_user *)rdwr_pa[i].buf;
42570 rdwr_pa[i].buf = memdup_user(data_ptrs[i], rdwr_pa[i].len);
42571 if (IS_ERR(rdwr_pa[i].buf)) {
42572 res = PTR_ERR(rdwr_pa[i].buf);
42573 diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
42574 index 0b510ba..4fbb5085 100644
42575 --- a/drivers/ide/ide-cd.c
42576 +++ b/drivers/ide/ide-cd.c
42577 @@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
42578 alignment = queue_dma_alignment(q) | q->dma_pad_mask;
42579 if ((unsigned long)buf & alignment
42580 || blk_rq_bytes(rq) & q->dma_pad_mask
42581 - || object_is_on_stack(buf))
42582 + || object_starts_on_stack(buf))
42583 drive->dma = 0;
42584 }
42585 }
42586 diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
42587 index af3e76d..96dfe5e 100644
42588 --- a/drivers/iio/industrialio-core.c
42589 +++ b/drivers/iio/industrialio-core.c
42590 @@ -555,7 +555,7 @@ static ssize_t iio_write_channel_info(struct device *dev,
42591 }
42592
42593 static
42594 -int __iio_device_attr_init(struct device_attribute *dev_attr,
42595 +int __iio_device_attr_init(device_attribute_no_const *dev_attr,
42596 const char *postfix,
42597 struct iio_chan_spec const *chan,
42598 ssize_t (*readfunc)(struct device *dev,
42599 diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
42600 index e28a494..f7c2671 100644
42601 --- a/drivers/infiniband/core/cm.c
42602 +++ b/drivers/infiniband/core/cm.c
42603 @@ -115,7 +115,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS]
42604
42605 struct cm_counter_group {
42606 struct kobject obj;
42607 - atomic_long_t counter[CM_ATTR_COUNT];
42608 + atomic_long_unchecked_t counter[CM_ATTR_COUNT];
42609 };
42610
42611 struct cm_counter_attribute {
42612 @@ -1398,7 +1398,7 @@ static void cm_dup_req_handler(struct cm_work *work,
42613 struct ib_mad_send_buf *msg = NULL;
42614 int ret;
42615
42616 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42617 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42618 counter[CM_REQ_COUNTER]);
42619
42620 /* Quick state check to discard duplicate REQs. */
42621 @@ -1785,7 +1785,7 @@ static void cm_dup_rep_handler(struct cm_work *work)
42622 if (!cm_id_priv)
42623 return;
42624
42625 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42626 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42627 counter[CM_REP_COUNTER]);
42628 ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg);
42629 if (ret)
42630 @@ -1952,7 +1952,7 @@ static int cm_rtu_handler(struct cm_work *work)
42631 if (cm_id_priv->id.state != IB_CM_REP_SENT &&
42632 cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) {
42633 spin_unlock_irq(&cm_id_priv->lock);
42634 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42635 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42636 counter[CM_RTU_COUNTER]);
42637 goto out;
42638 }
42639 @@ -2135,7 +2135,7 @@ static int cm_dreq_handler(struct cm_work *work)
42640 cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id,
42641 dreq_msg->local_comm_id);
42642 if (!cm_id_priv) {
42643 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42644 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42645 counter[CM_DREQ_COUNTER]);
42646 cm_issue_drep(work->port, work->mad_recv_wc);
42647 return -EINVAL;
42648 @@ -2160,7 +2160,7 @@ static int cm_dreq_handler(struct cm_work *work)
42649 case IB_CM_MRA_REP_RCVD:
42650 break;
42651 case IB_CM_TIMEWAIT:
42652 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42653 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42654 counter[CM_DREQ_COUNTER]);
42655 if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
42656 goto unlock;
42657 @@ -2174,7 +2174,7 @@ static int cm_dreq_handler(struct cm_work *work)
42658 cm_free_msg(msg);
42659 goto deref;
42660 case IB_CM_DREQ_RCVD:
42661 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42662 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42663 counter[CM_DREQ_COUNTER]);
42664 goto unlock;
42665 default:
42666 @@ -2541,7 +2541,7 @@ static int cm_mra_handler(struct cm_work *work)
42667 ib_modify_mad(cm_id_priv->av.port->mad_agent,
42668 cm_id_priv->msg, timeout)) {
42669 if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD)
42670 - atomic_long_inc(&work->port->
42671 + atomic_long_inc_unchecked(&work->port->
42672 counter_group[CM_RECV_DUPLICATES].
42673 counter[CM_MRA_COUNTER]);
42674 goto out;
42675 @@ -2550,7 +2550,7 @@ static int cm_mra_handler(struct cm_work *work)
42676 break;
42677 case IB_CM_MRA_REQ_RCVD:
42678 case IB_CM_MRA_REP_RCVD:
42679 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42680 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42681 counter[CM_MRA_COUNTER]);
42682 /* fall through */
42683 default:
42684 @@ -2712,7 +2712,7 @@ static int cm_lap_handler(struct cm_work *work)
42685 case IB_CM_LAP_IDLE:
42686 break;
42687 case IB_CM_MRA_LAP_SENT:
42688 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42689 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42690 counter[CM_LAP_COUNTER]);
42691 if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
42692 goto unlock;
42693 @@ -2728,7 +2728,7 @@ static int cm_lap_handler(struct cm_work *work)
42694 cm_free_msg(msg);
42695 goto deref;
42696 case IB_CM_LAP_RCVD:
42697 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42698 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42699 counter[CM_LAP_COUNTER]);
42700 goto unlock;
42701 default:
42702 @@ -3012,7 +3012,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
42703 cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv);
42704 if (cur_cm_id_priv) {
42705 spin_unlock_irq(&cm.lock);
42706 - atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
42707 + atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES].
42708 counter[CM_SIDR_REQ_COUNTER]);
42709 goto out; /* Duplicate message. */
42710 }
42711 @@ -3224,10 +3224,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent,
42712 if (!msg->context[0] && (attr_index != CM_REJ_COUNTER))
42713 msg->retries = 1;
42714
42715 - atomic_long_add(1 + msg->retries,
42716 + atomic_long_add_unchecked(1 + msg->retries,
42717 &port->counter_group[CM_XMIT].counter[attr_index]);
42718 if (msg->retries)
42719 - atomic_long_add(msg->retries,
42720 + atomic_long_add_unchecked(msg->retries,
42721 &port->counter_group[CM_XMIT_RETRIES].
42722 counter[attr_index]);
42723
42724 @@ -3437,7 +3437,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
42725 }
42726
42727 attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id);
42728 - atomic_long_inc(&port->counter_group[CM_RECV].
42729 + atomic_long_inc_unchecked(&port->counter_group[CM_RECV].
42730 counter[attr_id - CM_ATTR_ID_OFFSET]);
42731
42732 work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths,
42733 @@ -3668,7 +3668,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
42734 cm_attr = container_of(attr, struct cm_counter_attribute, attr);
42735
42736 return sprintf(buf, "%ld\n",
42737 - atomic_long_read(&group->counter[cm_attr->index]));
42738 + atomic_long_read_unchecked(&group->counter[cm_attr->index]));
42739 }
42740
42741 static const struct sysfs_ops cm_counter_ops = {
42742 diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
42743 index 9f5ad7c..588cd84 100644
42744 --- a/drivers/infiniband/core/fmr_pool.c
42745 +++ b/drivers/infiniband/core/fmr_pool.c
42746 @@ -98,8 +98,8 @@ struct ib_fmr_pool {
42747
42748 struct task_struct *thread;
42749
42750 - atomic_t req_ser;
42751 - atomic_t flush_ser;
42752 + atomic_unchecked_t req_ser;
42753 + atomic_unchecked_t flush_ser;
42754
42755 wait_queue_head_t force_wait;
42756 };
42757 @@ -179,10 +179,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
42758 struct ib_fmr_pool *pool = pool_ptr;
42759
42760 do {
42761 - if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) {
42762 + if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) {
42763 ib_fmr_batch_release(pool);
42764
42765 - atomic_inc(&pool->flush_ser);
42766 + atomic_inc_unchecked(&pool->flush_ser);
42767 wake_up_interruptible(&pool->force_wait);
42768
42769 if (pool->flush_function)
42770 @@ -190,7 +190,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
42771 }
42772
42773 set_current_state(TASK_INTERRUPTIBLE);
42774 - if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 &&
42775 + if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 &&
42776 !kthread_should_stop())
42777 schedule();
42778 __set_current_state(TASK_RUNNING);
42779 @@ -282,8 +282,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd,
42780 pool->dirty_watermark = params->dirty_watermark;
42781 pool->dirty_len = 0;
42782 spin_lock_init(&pool->pool_lock);
42783 - atomic_set(&pool->req_ser, 0);
42784 - atomic_set(&pool->flush_ser, 0);
42785 + atomic_set_unchecked(&pool->req_ser, 0);
42786 + atomic_set_unchecked(&pool->flush_ser, 0);
42787 init_waitqueue_head(&pool->force_wait);
42788
42789 pool->thread = kthread_run(ib_fmr_cleanup_thread,
42790 @@ -411,11 +411,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool)
42791 }
42792 spin_unlock_irq(&pool->pool_lock);
42793
42794 - serial = atomic_inc_return(&pool->req_ser);
42795 + serial = atomic_inc_return_unchecked(&pool->req_ser);
42796 wake_up_process(pool->thread);
42797
42798 if (wait_event_interruptible(pool->force_wait,
42799 - atomic_read(&pool->flush_ser) - serial >= 0))
42800 + atomic_read_unchecked(&pool->flush_ser) - serial >= 0))
42801 return -EINTR;
42802
42803 return 0;
42804 @@ -525,7 +525,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr)
42805 } else {
42806 list_add_tail(&fmr->list, &pool->dirty_list);
42807 if (++pool->dirty_len >= pool->dirty_watermark) {
42808 - atomic_inc(&pool->req_ser);
42809 + atomic_inc_unchecked(&pool->req_ser);
42810 wake_up_process(pool->thread);
42811 }
42812 }
42813 diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
42814 index ec7a298..8742e59 100644
42815 --- a/drivers/infiniband/hw/cxgb4/mem.c
42816 +++ b/drivers/infiniband/hw/cxgb4/mem.c
42817 @@ -249,7 +249,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
42818 int err;
42819 struct fw_ri_tpte tpt;
42820 u32 stag_idx;
42821 - static atomic_t key;
42822 + static atomic_unchecked_t key;
42823
42824 if (c4iw_fatal_error(rdev))
42825 return -EIO;
42826 @@ -270,7 +270,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry,
42827 if (rdev->stats.stag.cur > rdev->stats.stag.max)
42828 rdev->stats.stag.max = rdev->stats.stag.cur;
42829 mutex_unlock(&rdev->stats.lock);
42830 - *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff);
42831 + *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff);
42832 }
42833 PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n",
42834 __func__, stag_state, type, pdid, stag_idx);
42835 diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
42836 index 79b3dbc..96e5fcc 100644
42837 --- a/drivers/infiniband/hw/ipath/ipath_rc.c
42838 +++ b/drivers/infiniband/hw/ipath/ipath_rc.c
42839 @@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
42840 struct ib_atomic_eth *ateth;
42841 struct ipath_ack_entry *e;
42842 u64 vaddr;
42843 - atomic64_t *maddr;
42844 + atomic64_unchecked_t *maddr;
42845 u64 sdata;
42846 u32 rkey;
42847 u8 next;
42848 @@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
42849 IB_ACCESS_REMOTE_ATOMIC)))
42850 goto nack_acc_unlck;
42851 /* Perform atomic OP and save result. */
42852 - maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
42853 + maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
42854 sdata = be64_to_cpu(ateth->swap_data);
42855 e = &qp->s_ack_queue[qp->r_head_ack_queue];
42856 e->atomic_data = (opcode == OP(FETCH_ADD)) ?
42857 - (u64) atomic64_add_return(sdata, maddr) - sdata :
42858 + (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
42859 (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
42860 be64_to_cpu(ateth->compare_data),
42861 sdata);
42862 diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
42863 index 1f95bba..9530f87 100644
42864 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c
42865 +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
42866 @@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
42867 unsigned long flags;
42868 struct ib_wc wc;
42869 u64 sdata;
42870 - atomic64_t *maddr;
42871 + atomic64_unchecked_t *maddr;
42872 enum ib_wc_status send_status;
42873
42874 /*
42875 @@ -382,11 +382,11 @@ again:
42876 IB_ACCESS_REMOTE_ATOMIC)))
42877 goto acc_err;
42878 /* Perform atomic OP and save result. */
42879 - maddr = (atomic64_t *) qp->r_sge.sge.vaddr;
42880 + maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr;
42881 sdata = wqe->wr.wr.atomic.compare_add;
42882 *(u64 *) sqp->s_sge.sge.vaddr =
42883 (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ?
42884 - (u64) atomic64_add_return(sdata, maddr) - sdata :
42885 + (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata :
42886 (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr,
42887 sdata, wqe->wr.wr.atomic.swap);
42888 goto send_comp;
42889 diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
42890 index 82a7dd8..8fb6ba6 100644
42891 --- a/drivers/infiniband/hw/mlx4/mad.c
42892 +++ b/drivers/infiniband/hw/mlx4/mad.c
42893 @@ -98,7 +98,7 @@ __be64 mlx4_ib_gen_node_guid(void)
42894
42895 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx)
42896 {
42897 - return cpu_to_be64(atomic_inc_return(&ctx->tid)) |
42898 + return cpu_to_be64(atomic_inc_return_unchecked(&ctx->tid)) |
42899 cpu_to_be64(0xff00000000000000LL);
42900 }
42901
42902 diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
42903 index ed327e6..ca1739e0 100644
42904 --- a/drivers/infiniband/hw/mlx4/mcg.c
42905 +++ b/drivers/infiniband/hw/mlx4/mcg.c
42906 @@ -1041,7 +1041,7 @@ int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx)
42907 {
42908 char name[20];
42909
42910 - atomic_set(&ctx->tid, 0);
42911 + atomic_set_unchecked(&ctx->tid, 0);
42912 sprintf(name, "mlx4_ib_mcg%d", ctx->port);
42913 ctx->mcg_wq = create_singlethread_workqueue(name);
42914 if (!ctx->mcg_wq)
42915 diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
42916 index 6eb743f..a7b0f6d 100644
42917 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
42918 +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
42919 @@ -426,7 +426,7 @@ struct mlx4_ib_demux_ctx {
42920 struct list_head mcg_mgid0_list;
42921 struct workqueue_struct *mcg_wq;
42922 struct mlx4_ib_demux_pv_ctx **tun;
42923 - atomic_t tid;
42924 + atomic_unchecked_t tid;
42925 int flushing; /* flushing the work queue */
42926 };
42927
42928 diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
42929 index 9d3e5c1..6f166df 100644
42930 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c
42931 +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
42932 @@ -772,7 +772,7 @@ static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base)
42933 mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n");
42934 }
42935
42936 -int mthca_QUERY_FW(struct mthca_dev *dev)
42937 +int __intentional_overflow(-1) mthca_QUERY_FW(struct mthca_dev *dev)
42938 {
42939 struct mthca_mailbox *mailbox;
42940 u32 *outbox;
42941 @@ -1612,7 +1612,7 @@ int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
42942 CMD_TIME_CLASS_B);
42943 }
42944
42945 -int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
42946 +int __intentional_overflow(-1) mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
42947 int num_mtt)
42948 {
42949 return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT,
42950 @@ -1634,7 +1634,7 @@ int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
42951 0, CMD_MAP_EQ, CMD_TIME_CLASS_B);
42952 }
42953
42954 -int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
42955 +int __intentional_overflow(-1) mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
42956 int eq_num)
42957 {
42958 return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ,
42959 @@ -1857,7 +1857,7 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn)
42960 CMD_TIME_CLASS_B);
42961 }
42962
42963 -int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
42964 +int __intentional_overflow(-1) mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
42965 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
42966 void *in_mad, void *response_mad)
42967 {
42968 diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
42969 index ded76c1..0cf0a08 100644
42970 --- a/drivers/infiniband/hw/mthca/mthca_main.c
42971 +++ b/drivers/infiniband/hw/mthca/mthca_main.c
42972 @@ -692,7 +692,7 @@ err_close:
42973 return err;
42974 }
42975
42976 -static int mthca_setup_hca(struct mthca_dev *dev)
42977 +static int __intentional_overflow(-1) mthca_setup_hca(struct mthca_dev *dev)
42978 {
42979 int err;
42980
42981 diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
42982 index ed9a989..6aa5dc2 100644
42983 --- a/drivers/infiniband/hw/mthca/mthca_mr.c
42984 +++ b/drivers/infiniband/hw/mthca/mthca_mr.c
42985 @@ -81,7 +81,7 @@ struct mthca_mpt_entry {
42986 * through the bitmaps)
42987 */
42988
42989 -static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order)
42990 +static u32 __intentional_overflow(-1) mthca_buddy_alloc(struct mthca_buddy *buddy, int order)
42991 {
42992 int o;
42993 int m;
42994 @@ -426,7 +426,7 @@ static inline u32 adjust_key(struct mthca_dev *dev, u32 key)
42995 return key;
42996 }
42997
42998 -int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
42999 +int __intentional_overflow(-1) mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
43000 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr)
43001 {
43002 struct mthca_mailbox *mailbox;
43003 @@ -516,7 +516,7 @@ int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
43004 return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr);
43005 }
43006
43007 -int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
43008 +int __intentional_overflow(-1) mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
43009 u64 *buffer_list, int buffer_size_shift,
43010 int list_len, u64 iova, u64 total_size,
43011 u32 access, struct mthca_mr *mr)
43012 diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
43013 index 415f8e1..e34214e 100644
43014 --- a/drivers/infiniband/hw/mthca/mthca_provider.c
43015 +++ b/drivers/infiniband/hw/mthca/mthca_provider.c
43016 @@ -764,7 +764,7 @@ unlock:
43017 return 0;
43018 }
43019
43020 -static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
43021 +static int __intentional_overflow(-1) mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
43022 {
43023 struct mthca_dev *dev = to_mdev(ibcq->device);
43024 struct mthca_cq *cq = to_mcq(ibcq);
43025 diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
43026 index 3b2a6dc..bce26ff 100644
43027 --- a/drivers/infiniband/hw/nes/nes.c
43028 +++ b/drivers/infiniband/hw/nes/nes.c
43029 @@ -97,7 +97,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
43030 LIST_HEAD(nes_adapter_list);
43031 static LIST_HEAD(nes_dev_list);
43032
43033 -atomic_t qps_destroyed;
43034 +atomic_unchecked_t qps_destroyed;
43035
43036 static unsigned int ee_flsh_adapter;
43037 static unsigned int sysfs_nonidx_addr;
43038 @@ -278,7 +278,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
43039 struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
43040 struct nes_adapter *nesadapter = nesdev->nesadapter;
43041
43042 - atomic_inc(&qps_destroyed);
43043 + atomic_inc_unchecked(&qps_destroyed);
43044
43045 /* Free the control structures */
43046
43047 diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
43048 index bd9d132..70d84f4 100644
43049 --- a/drivers/infiniband/hw/nes/nes.h
43050 +++ b/drivers/infiniband/hw/nes/nes.h
43051 @@ -180,17 +180,17 @@ extern unsigned int nes_debug_level;
43052 extern unsigned int wqm_quanta;
43053 extern struct list_head nes_adapter_list;
43054
43055 -extern atomic_t cm_connects;
43056 -extern atomic_t cm_accepts;
43057 -extern atomic_t cm_disconnects;
43058 -extern atomic_t cm_closes;
43059 -extern atomic_t cm_connecteds;
43060 -extern atomic_t cm_connect_reqs;
43061 -extern atomic_t cm_rejects;
43062 -extern atomic_t mod_qp_timouts;
43063 -extern atomic_t qps_created;
43064 -extern atomic_t qps_destroyed;
43065 -extern atomic_t sw_qps_destroyed;
43066 +extern atomic_unchecked_t cm_connects;
43067 +extern atomic_unchecked_t cm_accepts;
43068 +extern atomic_unchecked_t cm_disconnects;
43069 +extern atomic_unchecked_t cm_closes;
43070 +extern atomic_unchecked_t cm_connecteds;
43071 +extern atomic_unchecked_t cm_connect_reqs;
43072 +extern atomic_unchecked_t cm_rejects;
43073 +extern atomic_unchecked_t mod_qp_timouts;
43074 +extern atomic_unchecked_t qps_created;
43075 +extern atomic_unchecked_t qps_destroyed;
43076 +extern atomic_unchecked_t sw_qps_destroyed;
43077 extern u32 mh_detected;
43078 extern u32 mh_pauses_sent;
43079 extern u32 cm_packets_sent;
43080 @@ -199,16 +199,16 @@ extern u32 cm_packets_created;
43081 extern u32 cm_packets_received;
43082 extern u32 cm_packets_dropped;
43083 extern u32 cm_packets_retrans;
43084 -extern atomic_t cm_listens_created;
43085 -extern atomic_t cm_listens_destroyed;
43086 +extern atomic_unchecked_t cm_listens_created;
43087 +extern atomic_unchecked_t cm_listens_destroyed;
43088 extern u32 cm_backlog_drops;
43089 -extern atomic_t cm_loopbacks;
43090 -extern atomic_t cm_nodes_created;
43091 -extern atomic_t cm_nodes_destroyed;
43092 -extern atomic_t cm_accel_dropped_pkts;
43093 -extern atomic_t cm_resets_recvd;
43094 -extern atomic_t pau_qps_created;
43095 -extern atomic_t pau_qps_destroyed;
43096 +extern atomic_unchecked_t cm_loopbacks;
43097 +extern atomic_unchecked_t cm_nodes_created;
43098 +extern atomic_unchecked_t cm_nodes_destroyed;
43099 +extern atomic_unchecked_t cm_accel_dropped_pkts;
43100 +extern atomic_unchecked_t cm_resets_recvd;
43101 +extern atomic_unchecked_t pau_qps_created;
43102 +extern atomic_unchecked_t pau_qps_destroyed;
43103
43104 extern u32 int_mod_timer_init;
43105 extern u32 int_mod_cq_depth_256;
43106 diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
43107 index 6f09a72..cf4399d 100644
43108 --- a/drivers/infiniband/hw/nes/nes_cm.c
43109 +++ b/drivers/infiniband/hw/nes/nes_cm.c
43110 @@ -69,14 +69,14 @@ u32 cm_packets_dropped;
43111 u32 cm_packets_retrans;
43112 u32 cm_packets_created;
43113 u32 cm_packets_received;
43114 -atomic_t cm_listens_created;
43115 -atomic_t cm_listens_destroyed;
43116 +atomic_unchecked_t cm_listens_created;
43117 +atomic_unchecked_t cm_listens_destroyed;
43118 u32 cm_backlog_drops;
43119 -atomic_t cm_loopbacks;
43120 -atomic_t cm_nodes_created;
43121 -atomic_t cm_nodes_destroyed;
43122 -atomic_t cm_accel_dropped_pkts;
43123 -atomic_t cm_resets_recvd;
43124 +atomic_unchecked_t cm_loopbacks;
43125 +atomic_unchecked_t cm_nodes_created;
43126 +atomic_unchecked_t cm_nodes_destroyed;
43127 +atomic_unchecked_t cm_accel_dropped_pkts;
43128 +atomic_unchecked_t cm_resets_recvd;
43129
43130 static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *);
43131 static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *);
43132 @@ -135,28 +135,28 @@ static void record_ird_ord(struct nes_cm_node *, u16, u16);
43133 /* instance of function pointers for client API */
43134 /* set address of this instance to cm_core->cm_ops at cm_core alloc */
43135 static struct nes_cm_ops nes_cm_api = {
43136 - mini_cm_accelerated,
43137 - mini_cm_listen,
43138 - mini_cm_del_listen,
43139 - mini_cm_connect,
43140 - mini_cm_close,
43141 - mini_cm_accept,
43142 - mini_cm_reject,
43143 - mini_cm_recv_pkt,
43144 - mini_cm_dealloc_core,
43145 - mini_cm_get,
43146 - mini_cm_set
43147 + .accelerated = mini_cm_accelerated,
43148 + .listen = mini_cm_listen,
43149 + .stop_listener = mini_cm_del_listen,
43150 + .connect = mini_cm_connect,
43151 + .close = mini_cm_close,
43152 + .accept = mini_cm_accept,
43153 + .reject = mini_cm_reject,
43154 + .recv_pkt = mini_cm_recv_pkt,
43155 + .destroy_cm_core = mini_cm_dealloc_core,
43156 + .get = mini_cm_get,
43157 + .set = mini_cm_set
43158 };
43159
43160 static struct nes_cm_core *g_cm_core;
43161
43162 -atomic_t cm_connects;
43163 -atomic_t cm_accepts;
43164 -atomic_t cm_disconnects;
43165 -atomic_t cm_closes;
43166 -atomic_t cm_connecteds;
43167 -atomic_t cm_connect_reqs;
43168 -atomic_t cm_rejects;
43169 +atomic_unchecked_t cm_connects;
43170 +atomic_unchecked_t cm_accepts;
43171 +atomic_unchecked_t cm_disconnects;
43172 +atomic_unchecked_t cm_closes;
43173 +atomic_unchecked_t cm_connecteds;
43174 +atomic_unchecked_t cm_connect_reqs;
43175 +atomic_unchecked_t cm_rejects;
43176
43177 int nes_add_ref_cm_node(struct nes_cm_node *cm_node)
43178 {
43179 @@ -1436,7 +1436,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
43180 kfree(listener);
43181 listener = NULL;
43182 ret = 0;
43183 - atomic_inc(&cm_listens_destroyed);
43184 + atomic_inc_unchecked(&cm_listens_destroyed);
43185 } else {
43186 spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
43187 }
43188 @@ -1637,7 +1637,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core,
43189 cm_node->rem_mac);
43190
43191 add_hte_node(cm_core, cm_node);
43192 - atomic_inc(&cm_nodes_created);
43193 + atomic_inc_unchecked(&cm_nodes_created);
43194
43195 return cm_node;
43196 }
43197 @@ -1698,7 +1698,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core,
43198 }
43199
43200 atomic_dec(&cm_core->node_cnt);
43201 - atomic_inc(&cm_nodes_destroyed);
43202 + atomic_inc_unchecked(&cm_nodes_destroyed);
43203 nesqp = cm_node->nesqp;
43204 if (nesqp) {
43205 nesqp->cm_node = NULL;
43206 @@ -1762,7 +1762,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc,
43207
43208 static void drop_packet(struct sk_buff *skb)
43209 {
43210 - atomic_inc(&cm_accel_dropped_pkts);
43211 + atomic_inc_unchecked(&cm_accel_dropped_pkts);
43212 dev_kfree_skb_any(skb);
43213 }
43214
43215 @@ -1825,7 +1825,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
43216 {
43217
43218 int reset = 0; /* whether to send reset in case of err.. */
43219 - atomic_inc(&cm_resets_recvd);
43220 + atomic_inc_unchecked(&cm_resets_recvd);
43221 nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u."
43222 " refcnt=%d\n", cm_node, cm_node->state,
43223 atomic_read(&cm_node->ref_count));
43224 @@ -2492,7 +2492,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
43225 rem_ref_cm_node(cm_node->cm_core, cm_node);
43226 return NULL;
43227 }
43228 - atomic_inc(&cm_loopbacks);
43229 + atomic_inc_unchecked(&cm_loopbacks);
43230 loopbackremotenode->loopbackpartner = cm_node;
43231 loopbackremotenode->tcp_cntxt.rcv_wscale =
43232 NES_CM_DEFAULT_RCV_WND_SCALE;
43233 @@ -2773,7 +2773,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
43234 nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp);
43235 else {
43236 rem_ref_cm_node(cm_core, cm_node);
43237 - atomic_inc(&cm_accel_dropped_pkts);
43238 + atomic_inc_unchecked(&cm_accel_dropped_pkts);
43239 dev_kfree_skb_any(skb);
43240 }
43241 break;
43242 @@ -3081,7 +3081,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
43243
43244 if ((cm_id) && (cm_id->event_handler)) {
43245 if (issue_disconn) {
43246 - atomic_inc(&cm_disconnects);
43247 + atomic_inc_unchecked(&cm_disconnects);
43248 cm_event.event = IW_CM_EVENT_DISCONNECT;
43249 cm_event.status = disconn_status;
43250 cm_event.local_addr = cm_id->local_addr;
43251 @@ -3103,7 +3103,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
43252 }
43253
43254 if (issue_close) {
43255 - atomic_inc(&cm_closes);
43256 + atomic_inc_unchecked(&cm_closes);
43257 nes_disconnect(nesqp, 1);
43258
43259 cm_id->provider_data = nesqp;
43260 @@ -3241,7 +3241,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
43261
43262 nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n",
43263 nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener);
43264 - atomic_inc(&cm_accepts);
43265 + atomic_inc_unchecked(&cm_accepts);
43266
43267 nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n",
43268 netdev_refcnt_read(nesvnic->netdev));
43269 @@ -3439,7 +3439,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
43270 struct nes_cm_core *cm_core;
43271 u8 *start_buff;
43272
43273 - atomic_inc(&cm_rejects);
43274 + atomic_inc_unchecked(&cm_rejects);
43275 cm_node = (struct nes_cm_node *)cm_id->provider_data;
43276 loopback = cm_node->loopbackpartner;
43277 cm_core = cm_node->cm_core;
43278 @@ -3504,7 +3504,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
43279 ntohs(raddr->sin_port), ntohl(laddr->sin_addr.s_addr),
43280 ntohs(laddr->sin_port));
43281
43282 - atomic_inc(&cm_connects);
43283 + atomic_inc_unchecked(&cm_connects);
43284 nesqp->active_conn = 1;
43285
43286 /* cache the cm_id in the qp */
43287 @@ -3649,7 +3649,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
43288 g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node);
43289 return err;
43290 }
43291 - atomic_inc(&cm_listens_created);
43292 + atomic_inc_unchecked(&cm_listens_created);
43293 }
43294
43295 cm_id->add_ref(cm_id);
43296 @@ -3756,7 +3756,7 @@ static void cm_event_connected(struct nes_cm_event *event)
43297
43298 if (nesqp->destroyed)
43299 return;
43300 - atomic_inc(&cm_connecteds);
43301 + atomic_inc_unchecked(&cm_connecteds);
43302 nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on"
43303 " local port 0x%04X. jiffies = %lu.\n",
43304 nesqp->hwqp.qp_id, ntohl(raddr->sin_addr.s_addr),
43305 @@ -3941,7 +3941,7 @@ static void cm_event_reset(struct nes_cm_event *event)
43306
43307 cm_id->add_ref(cm_id);
43308 ret = cm_id->event_handler(cm_id, &cm_event);
43309 - atomic_inc(&cm_closes);
43310 + atomic_inc_unchecked(&cm_closes);
43311 cm_event.event = IW_CM_EVENT_CLOSE;
43312 cm_event.status = 0;
43313 cm_event.provider_data = cm_id->provider_data;
43314 @@ -3981,7 +3981,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event)
43315 return;
43316 cm_id = cm_node->cm_id;
43317
43318 - atomic_inc(&cm_connect_reqs);
43319 + atomic_inc_unchecked(&cm_connect_reqs);
43320 nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
43321 cm_node, cm_id, jiffies);
43322
43323 @@ -4030,7 +4030,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event)
43324 return;
43325 cm_id = cm_node->cm_id;
43326
43327 - atomic_inc(&cm_connect_reqs);
43328 + atomic_inc_unchecked(&cm_connect_reqs);
43329 nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n",
43330 cm_node, cm_id, jiffies);
43331
43332 diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c
43333 index 4166452..fc952c3 100644
43334 --- a/drivers/infiniband/hw/nes/nes_mgt.c
43335 +++ b/drivers/infiniband/hw/nes/nes_mgt.c
43336 @@ -40,8 +40,8 @@
43337 #include "nes.h"
43338 #include "nes_mgt.h"
43339
43340 -atomic_t pau_qps_created;
43341 -atomic_t pau_qps_destroyed;
43342 +atomic_unchecked_t pau_qps_created;
43343 +atomic_unchecked_t pau_qps_destroyed;
43344
43345 static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic)
43346 {
43347 @@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp)
43348 {
43349 struct sk_buff *skb;
43350 unsigned long flags;
43351 - atomic_inc(&pau_qps_destroyed);
43352 + atomic_inc_unchecked(&pau_qps_destroyed);
43353
43354 /* Free packets that have not yet been forwarded */
43355 /* Lock is acquired by skb_dequeue when removing the skb */
43356 @@ -810,7 +810,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *
43357 cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]);
43358 skb_queue_head_init(&nesqp->pau_list);
43359 spin_lock_init(&nesqp->pau_lock);
43360 - atomic_inc(&pau_qps_created);
43361 + atomic_inc_unchecked(&pau_qps_created);
43362 nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp);
43363 }
43364
43365 diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
43366 index 49eb511..a774366 100644
43367 --- a/drivers/infiniband/hw/nes/nes_nic.c
43368 +++ b/drivers/infiniband/hw/nes/nes_nic.c
43369 @@ -1273,39 +1273,39 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
43370 target_stat_values[++index] = mh_detected;
43371 target_stat_values[++index] = mh_pauses_sent;
43372 target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
43373 - target_stat_values[++index] = atomic_read(&cm_connects);
43374 - target_stat_values[++index] = atomic_read(&cm_accepts);
43375 - target_stat_values[++index] = atomic_read(&cm_disconnects);
43376 - target_stat_values[++index] = atomic_read(&cm_connecteds);
43377 - target_stat_values[++index] = atomic_read(&cm_connect_reqs);
43378 - target_stat_values[++index] = atomic_read(&cm_rejects);
43379 - target_stat_values[++index] = atomic_read(&mod_qp_timouts);
43380 - target_stat_values[++index] = atomic_read(&qps_created);
43381 - target_stat_values[++index] = atomic_read(&sw_qps_destroyed);
43382 - target_stat_values[++index] = atomic_read(&qps_destroyed);
43383 - target_stat_values[++index] = atomic_read(&cm_closes);
43384 + target_stat_values[++index] = atomic_read_unchecked(&cm_connects);
43385 + target_stat_values[++index] = atomic_read_unchecked(&cm_accepts);
43386 + target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects);
43387 + target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds);
43388 + target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs);
43389 + target_stat_values[++index] = atomic_read_unchecked(&cm_rejects);
43390 + target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts);
43391 + target_stat_values[++index] = atomic_read_unchecked(&qps_created);
43392 + target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed);
43393 + target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed);
43394 + target_stat_values[++index] = atomic_read_unchecked(&cm_closes);
43395 target_stat_values[++index] = cm_packets_sent;
43396 target_stat_values[++index] = cm_packets_bounced;
43397 target_stat_values[++index] = cm_packets_created;
43398 target_stat_values[++index] = cm_packets_received;
43399 target_stat_values[++index] = cm_packets_dropped;
43400 target_stat_values[++index] = cm_packets_retrans;
43401 - target_stat_values[++index] = atomic_read(&cm_listens_created);
43402 - target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
43403 + target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created);
43404 + target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed);
43405 target_stat_values[++index] = cm_backlog_drops;
43406 - target_stat_values[++index] = atomic_read(&cm_loopbacks);
43407 - target_stat_values[++index] = atomic_read(&cm_nodes_created);
43408 - target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
43409 - target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
43410 - target_stat_values[++index] = atomic_read(&cm_resets_recvd);
43411 + target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks);
43412 + target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created);
43413 + target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed);
43414 + target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts);
43415 + target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd);
43416 target_stat_values[++index] = nesadapter->free_4kpbl;
43417 target_stat_values[++index] = nesadapter->free_256pbl;
43418 target_stat_values[++index] = int_mod_timer_init;
43419 target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
43420 target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
43421 target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
43422 - target_stat_values[++index] = atomic_read(&pau_qps_created);
43423 - target_stat_values[++index] = atomic_read(&pau_qps_destroyed);
43424 + target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created);
43425 + target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed);
43426 }
43427
43428 /**
43429 diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
43430 index fef067c..6a25ccd 100644
43431 --- a/drivers/infiniband/hw/nes/nes_verbs.c
43432 +++ b/drivers/infiniband/hw/nes/nes_verbs.c
43433 @@ -46,9 +46,9 @@
43434
43435 #include <rdma/ib_umem.h>
43436
43437 -atomic_t mod_qp_timouts;
43438 -atomic_t qps_created;
43439 -atomic_t sw_qps_destroyed;
43440 +atomic_unchecked_t mod_qp_timouts;
43441 +atomic_unchecked_t qps_created;
43442 +atomic_unchecked_t sw_qps_destroyed;
43443
43444 static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
43445
43446 @@ -1134,7 +1134,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
43447 if (init_attr->create_flags)
43448 return ERR_PTR(-EINVAL);
43449
43450 - atomic_inc(&qps_created);
43451 + atomic_inc_unchecked(&qps_created);
43452 switch (init_attr->qp_type) {
43453 case IB_QPT_RC:
43454 if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) {
43455 @@ -1468,7 +1468,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp)
43456 struct iw_cm_event cm_event;
43457 int ret = 0;
43458
43459 - atomic_inc(&sw_qps_destroyed);
43460 + atomic_inc_unchecked(&sw_qps_destroyed);
43461 nesqp->destroyed = 1;
43462
43463 /* Blow away the connection if it exists. */
43464 diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
43465 index c00ae09..04e91be 100644
43466 --- a/drivers/infiniband/hw/qib/qib.h
43467 +++ b/drivers/infiniband/hw/qib/qib.h
43468 @@ -52,6 +52,7 @@
43469 #include <linux/kref.h>
43470 #include <linux/sched.h>
43471 #include <linux/kthread.h>
43472 +#include <linux/slab.h>
43473
43474 #include "qib_common.h"
43475 #include "qib_verbs.h"
43476 diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
43477 index cdc7df4..a2fdfdb 100644
43478 --- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
43479 +++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
43480 @@ -156,7 +156,7 @@ static size_t ipoib_get_size(const struct net_device *dev)
43481 nla_total_size(2); /* IFLA_IPOIB_UMCAST */
43482 }
43483
43484 -static struct rtnl_link_ops ipoib_link_ops __read_mostly = {
43485 +static struct rtnl_link_ops ipoib_link_ops = {
43486 .kind = "ipoib",
43487 .maxtype = IFLA_IPOIB_MAX,
43488 .policy = ipoib_policy,
43489 diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
43490 index e29c04e..adbf68c 100644
43491 --- a/drivers/input/gameport/gameport.c
43492 +++ b/drivers/input/gameport/gameport.c
43493 @@ -527,14 +527,14 @@ EXPORT_SYMBOL(gameport_set_phys);
43494 */
43495 static void gameport_init_port(struct gameport *gameport)
43496 {
43497 - static atomic_t gameport_no = ATOMIC_INIT(0);
43498 + static atomic_unchecked_t gameport_no = ATOMIC_INIT(0);
43499
43500 __module_get(THIS_MODULE);
43501
43502 mutex_init(&gameport->drv_mutex);
43503 device_initialize(&gameport->dev);
43504 dev_set_name(&gameport->dev, "gameport%lu",
43505 - (unsigned long)atomic_inc_return(&gameport_no) - 1);
43506 + (unsigned long)atomic_inc_return_unchecked(&gameport_no) - 1);
43507 gameport->dev.bus = &gameport_bus;
43508 gameport->dev.release = gameport_release_port;
43509 if (gameport->parent)
43510 diff --git a/drivers/input/input.c b/drivers/input/input.c
43511 index 0f175f5..4c481c0 100644
43512 --- a/drivers/input/input.c
43513 +++ b/drivers/input/input.c
43514 @@ -1775,7 +1775,7 @@ EXPORT_SYMBOL_GPL(input_class);
43515 */
43516 struct input_dev *input_allocate_device(void)
43517 {
43518 - static atomic_t input_no = ATOMIC_INIT(0);
43519 + static atomic_unchecked_t input_no = ATOMIC_INIT(0);
43520 struct input_dev *dev;
43521
43522 dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
43523 @@ -1790,7 +1790,7 @@ struct input_dev *input_allocate_device(void)
43524 INIT_LIST_HEAD(&dev->node);
43525
43526 dev_set_name(&dev->dev, "input%lu",
43527 - (unsigned long) atomic_inc_return(&input_no) - 1);
43528 + (unsigned long) atomic_inc_return_unchecked(&input_no) - 1);
43529
43530 __module_get(THIS_MODULE);
43531 }
43532 diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
43533 index 4a95b22..874c182 100644
43534 --- a/drivers/input/joystick/sidewinder.c
43535 +++ b/drivers/input/joystick/sidewinder.c
43536 @@ -30,6 +30,7 @@
43537 #include <linux/kernel.h>
43538 #include <linux/module.h>
43539 #include <linux/slab.h>
43540 +#include <linux/sched.h>
43541 #include <linux/input.h>
43542 #include <linux/gameport.h>
43543 #include <linux/jiffies.h>
43544 diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
43545 index fc55f0d..11e2aa6 100644
43546 --- a/drivers/input/joystick/xpad.c
43547 +++ b/drivers/input/joystick/xpad.c
43548 @@ -886,7 +886,7 @@ static void xpad_led_set(struct led_classdev *led_cdev,
43549
43550 static int xpad_led_probe(struct usb_xpad *xpad)
43551 {
43552 - static atomic_t led_seq = ATOMIC_INIT(0);
43553 + static atomic_unchecked_t led_seq = ATOMIC_INIT(0);
43554 long led_no;
43555 struct xpad_led *led;
43556 struct led_classdev *led_cdev;
43557 @@ -899,7 +899,7 @@ static int xpad_led_probe(struct usb_xpad *xpad)
43558 if (!led)
43559 return -ENOMEM;
43560
43561 - led_no = (long)atomic_inc_return(&led_seq) - 1;
43562 + led_no = (long)atomic_inc_return_unchecked(&led_seq) - 1;
43563
43564 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
43565 led->xpad = xpad;
43566 diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
43567 index afed8e2..3aa8a18 100644
43568 --- a/drivers/input/misc/ims-pcu.c
43569 +++ b/drivers/input/misc/ims-pcu.c
43570 @@ -1851,7 +1851,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id)
43571
43572 static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
43573 {
43574 - static atomic_t device_no = ATOMIC_INIT(0);
43575 + static atomic_unchecked_t device_no = ATOMIC_INIT(0);
43576
43577 const struct ims_pcu_device_info *info;
43578 int error;
43579 @@ -1882,7 +1882,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
43580 }
43581
43582 /* Device appears to be operable, complete initialization */
43583 - pcu->device_no = atomic_inc_return(&device_no) - 1;
43584 + pcu->device_no = atomic_inc_return_unchecked(&device_no) - 1;
43585
43586 /*
43587 * PCU-B devices, both GEN_1 and GEN_2 do not have OFN sensor
43588 diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
43589 index f4cf664..3204fda 100644
43590 --- a/drivers/input/mouse/psmouse.h
43591 +++ b/drivers/input/mouse/psmouse.h
43592 @@ -117,7 +117,7 @@ struct psmouse_attribute {
43593 ssize_t (*set)(struct psmouse *psmouse, void *data,
43594 const char *buf, size_t count);
43595 bool protect;
43596 -};
43597 +} __do_const;
43598 #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
43599
43600 ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
43601 diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
43602 index b604564..3f14ae4 100644
43603 --- a/drivers/input/mousedev.c
43604 +++ b/drivers/input/mousedev.c
43605 @@ -744,7 +744,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer,
43606
43607 spin_unlock_irq(&client->packet_lock);
43608
43609 - if (copy_to_user(buffer, data, count))
43610 + if (count > sizeof(data) || copy_to_user(buffer, data, count))
43611 return -EFAULT;
43612
43613 return count;
43614 diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
43615 index d399b8b..4913ede 100644
43616 --- a/drivers/input/serio/serio.c
43617 +++ b/drivers/input/serio/serio.c
43618 @@ -514,7 +514,7 @@ static void serio_release_port(struct device *dev)
43619 */
43620 static void serio_init_port(struct serio *serio)
43621 {
43622 - static atomic_t serio_no = ATOMIC_INIT(0);
43623 + static atomic_unchecked_t serio_no = ATOMIC_INIT(0);
43624
43625 __module_get(THIS_MODULE);
43626
43627 @@ -525,7 +525,7 @@ static void serio_init_port(struct serio *serio)
43628 mutex_init(&serio->drv_mutex);
43629 device_initialize(&serio->dev);
43630 dev_set_name(&serio->dev, "serio%lu",
43631 - (unsigned long)atomic_inc_return(&serio_no) - 1);
43632 + (unsigned long)atomic_inc_return_unchecked(&serio_no) - 1);
43633 serio->dev.bus = &serio_bus;
43634 serio->dev.release = serio_release_port;
43635 serio->dev.groups = serio_device_attr_groups;
43636 diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
43637 index c9a02fe..0debc75 100644
43638 --- a/drivers/input/serio/serio_raw.c
43639 +++ b/drivers/input/serio/serio_raw.c
43640 @@ -292,7 +292,7 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data,
43641
43642 static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
43643 {
43644 - static atomic_t serio_raw_no = ATOMIC_INIT(0);
43645 + static atomic_unchecked_t serio_raw_no = ATOMIC_INIT(0);
43646 struct serio_raw *serio_raw;
43647 int err;
43648
43649 @@ -303,7 +303,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
43650 }
43651
43652 snprintf(serio_raw->name, sizeof(serio_raw->name),
43653 - "serio_raw%ld", (long)atomic_inc_return(&serio_raw_no) - 1);
43654 + "serio_raw%ld", (long)atomic_inc_return_unchecked(&serio_raw_no) - 1);
43655 kref_init(&serio_raw->kref);
43656 INIT_LIST_HEAD(&serio_raw->client_list);
43657 init_waitqueue_head(&serio_raw->wait);
43658 diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
43659 index 505a9ad..356734c 100644
43660 --- a/drivers/iommu/amd_iommu.c
43661 +++ b/drivers/iommu/amd_iommu.c
43662 @@ -823,11 +823,21 @@ static void copy_cmd_to_buffer(struct amd_iommu *iommu,
43663
43664 static void build_completion_wait(struct iommu_cmd *cmd, u64 address)
43665 {
43666 + phys_addr_t physaddr;
43667 WARN_ON(address & 0x7ULL);
43668
43669 memset(cmd, 0, sizeof(*cmd));
43670 - cmd->data[0] = lower_32_bits(__pa(address)) | CMD_COMPL_WAIT_STORE_MASK;
43671 - cmd->data[1] = upper_32_bits(__pa(address));
43672 +
43673 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
43674 + if (object_starts_on_stack((void *)address)) {
43675 + void *adjbuf = (void *)address - current->stack + current->lowmem_stack;
43676 + physaddr = __pa((u64)adjbuf);
43677 + } else
43678 +#endif
43679 + physaddr = __pa(address);
43680 +
43681 + cmd->data[0] = lower_32_bits(physaddr) | CMD_COMPL_WAIT_STORE_MASK;
43682 + cmd->data[1] = upper_32_bits(physaddr);
43683 cmd->data[2] = 1;
43684 CMD_SET_TYPE(cmd, CMD_COMPL_WAIT);
43685 }
43686 diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
43687 index 60558f7..5a02369 100644
43688 --- a/drivers/iommu/arm-smmu.c
43689 +++ b/drivers/iommu/arm-smmu.c
43690 @@ -934,7 +934,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain,
43691 cfg->irptndx = cfg->cbndx;
43692 }
43693
43694 - ACCESS_ONCE(smmu_domain->smmu) = smmu;
43695 + ACCESS_ONCE_RW(smmu_domain->smmu) = smmu;
43696 arm_smmu_init_context_bank(smmu_domain);
43697 spin_unlock_irqrestore(&smmu_domain->lock, flags);
43698
43699 diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
43700 index ed8b048..7fbcc01 100644
43701 --- a/drivers/iommu/iommu.c
43702 +++ b/drivers/iommu/iommu.c
43703 @@ -802,7 +802,7 @@ static int iommu_bus_notifier(struct notifier_block *nb,
43704 static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops)
43705 {
43706 int err;
43707 - struct notifier_block *nb;
43708 + notifier_block_no_const *nb;
43709 struct iommu_callback_data cb = {
43710 .ops = ops,
43711 };
43712 diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
43713 index 74a1767..5a359e8 100644
43714 --- a/drivers/iommu/irq_remapping.c
43715 +++ b/drivers/iommu/irq_remapping.c
43716 @@ -361,7 +361,7 @@ int setup_hpet_msi_remapped(unsigned int irq, unsigned int id)
43717 void panic_if_irq_remap(const char *msg)
43718 {
43719 if (irq_remapping_enabled)
43720 - panic(msg);
43721 + panic("%s", msg);
43722 }
43723
43724 static void ir_ack_apic_edge(struct irq_data *data)
43725 @@ -382,10 +382,12 @@ static void ir_print_prefix(struct irq_data *data, struct seq_file *p)
43726
43727 void irq_remap_modify_chip_defaults(struct irq_chip *chip)
43728 {
43729 - chip->irq_print_chip = ir_print_prefix;
43730 - chip->irq_ack = ir_ack_apic_edge;
43731 - chip->irq_eoi = ir_ack_apic_level;
43732 - chip->irq_set_affinity = x86_io_apic_ops.set_affinity;
43733 + pax_open_kernel();
43734 + *(void **)&chip->irq_print_chip = ir_print_prefix;
43735 + *(void **)&chip->irq_ack = ir_ack_apic_edge;
43736 + *(void **)&chip->irq_eoi = ir_ack_apic_level;
43737 + *(void **)&chip->irq_set_affinity = x86_io_apic_ops.set_affinity;
43738 + pax_close_kernel();
43739 }
43740
43741 bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip)
43742 diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
43743 index 38493ff..001538b 100644
43744 --- a/drivers/irqchip/irq-gic.c
43745 +++ b/drivers/irqchip/irq-gic.c
43746 @@ -84,7 +84,7 @@ static u8 gic_cpu_map[NR_GIC_CPU_IF] __read_mostly;
43747 * Supported arch specific GIC irq extension.
43748 * Default make them NULL.
43749 */
43750 -struct irq_chip gic_arch_extn = {
43751 +irq_chip_no_const gic_arch_extn = {
43752 .irq_eoi = NULL,
43753 .irq_mask = NULL,
43754 .irq_unmask = NULL,
43755 @@ -311,7 +311,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
43756 chained_irq_exit(chip, desc);
43757 }
43758
43759 -static struct irq_chip gic_chip = {
43760 +static irq_chip_no_const gic_chip __read_only = {
43761 .name = "GIC",
43762 .irq_mask = gic_mask_irq,
43763 .irq_unmask = gic_unmask_irq,
43764 diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
43765 index 542e850..1bb094c 100644
43766 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c
43767 +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
43768 @@ -353,7 +353,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
43769 struct intc_irqpin_iomem *i;
43770 struct resource *io[INTC_IRQPIN_REG_NR];
43771 struct resource *irq;
43772 - struct irq_chip *irq_chip;
43773 + irq_chip_no_const *irq_chip;
43774 void (*enable_fn)(struct irq_data *d);
43775 void (*disable_fn)(struct irq_data *d);
43776 const char *name = dev_name(dev);
43777 diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
43778 index 8777065..a4a9967 100644
43779 --- a/drivers/irqchip/irq-renesas-irqc.c
43780 +++ b/drivers/irqchip/irq-renesas-irqc.c
43781 @@ -151,7 +151,7 @@ static int irqc_probe(struct platform_device *pdev)
43782 struct irqc_priv *p;
43783 struct resource *io;
43784 struct resource *irq;
43785 - struct irq_chip *irq_chip;
43786 + irq_chip_no_const *irq_chip;
43787 const char *name = dev_name(&pdev->dev);
43788 int ret;
43789 int k;
43790 diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
43791 index 6a2df32..dc962f1 100644
43792 --- a/drivers/isdn/capi/capi.c
43793 +++ b/drivers/isdn/capi/capi.c
43794 @@ -81,8 +81,8 @@ struct capiminor {
43795
43796 struct capi20_appl *ap;
43797 u32 ncci;
43798 - atomic_t datahandle;
43799 - atomic_t msgid;
43800 + atomic_unchecked_t datahandle;
43801 + atomic_unchecked_t msgid;
43802
43803 struct tty_port port;
43804 int ttyinstop;
43805 @@ -391,7 +391,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
43806 capimsg_setu16(s, 2, mp->ap->applid);
43807 capimsg_setu8 (s, 4, CAPI_DATA_B3);
43808 capimsg_setu8 (s, 5, CAPI_RESP);
43809 - capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid));
43810 + capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid));
43811 capimsg_setu32(s, 8, mp->ncci);
43812 capimsg_setu16(s, 12, datahandle);
43813 }
43814 @@ -512,14 +512,14 @@ static void handle_minor_send(struct capiminor *mp)
43815 mp->outbytes -= len;
43816 spin_unlock_bh(&mp->outlock);
43817
43818 - datahandle = atomic_inc_return(&mp->datahandle);
43819 + datahandle = atomic_inc_return_unchecked(&mp->datahandle);
43820 skb_push(skb, CAPI_DATA_B3_REQ_LEN);
43821 memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
43822 capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
43823 capimsg_setu16(skb->data, 2, mp->ap->applid);
43824 capimsg_setu8 (skb->data, 4, CAPI_DATA_B3);
43825 capimsg_setu8 (skb->data, 5, CAPI_REQ);
43826 - capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid));
43827 + capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid));
43828 capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */
43829 capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */
43830 capimsg_setu16(skb->data, 16, len); /* Data length */
43831 diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
43832 index aecec6d..11e13c5 100644
43833 --- a/drivers/isdn/gigaset/bas-gigaset.c
43834 +++ b/drivers/isdn/gigaset/bas-gigaset.c
43835 @@ -2565,22 +2565,22 @@ static int gigaset_post_reset(struct usb_interface *intf)
43836
43837
43838 static const struct gigaset_ops gigops = {
43839 - gigaset_write_cmd,
43840 - gigaset_write_room,
43841 - gigaset_chars_in_buffer,
43842 - gigaset_brkchars,
43843 - gigaset_init_bchannel,
43844 - gigaset_close_bchannel,
43845 - gigaset_initbcshw,
43846 - gigaset_freebcshw,
43847 - gigaset_reinitbcshw,
43848 - gigaset_initcshw,
43849 - gigaset_freecshw,
43850 - gigaset_set_modem_ctrl,
43851 - gigaset_baud_rate,
43852 - gigaset_set_line_ctrl,
43853 - gigaset_isoc_send_skb,
43854 - gigaset_isoc_input,
43855 + .write_cmd = gigaset_write_cmd,
43856 + .write_room = gigaset_write_room,
43857 + .chars_in_buffer = gigaset_chars_in_buffer,
43858 + .brkchars = gigaset_brkchars,
43859 + .init_bchannel = gigaset_init_bchannel,
43860 + .close_bchannel = gigaset_close_bchannel,
43861 + .initbcshw = gigaset_initbcshw,
43862 + .freebcshw = gigaset_freebcshw,
43863 + .reinitbcshw = gigaset_reinitbcshw,
43864 + .initcshw = gigaset_initcshw,
43865 + .freecshw = gigaset_freecshw,
43866 + .set_modem_ctrl = gigaset_set_modem_ctrl,
43867 + .baud_rate = gigaset_baud_rate,
43868 + .set_line_ctrl = gigaset_set_line_ctrl,
43869 + .send_skb = gigaset_isoc_send_skb,
43870 + .handle_input = gigaset_isoc_input,
43871 };
43872
43873 /* bas_gigaset_init
43874 diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
43875 index 600c79b..3752bab 100644
43876 --- a/drivers/isdn/gigaset/interface.c
43877 +++ b/drivers/isdn/gigaset/interface.c
43878 @@ -130,9 +130,9 @@ static int if_open(struct tty_struct *tty, struct file *filp)
43879 }
43880 tty->driver_data = cs;
43881
43882 - ++cs->port.count;
43883 + atomic_inc(&cs->port.count);
43884
43885 - if (cs->port.count == 1) {
43886 + if (atomic_read(&cs->port.count) == 1) {
43887 tty_port_tty_set(&cs->port, tty);
43888 cs->port.low_latency = 1;
43889 }
43890 @@ -156,9 +156,9 @@ static void if_close(struct tty_struct *tty, struct file *filp)
43891
43892 if (!cs->connected)
43893 gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */
43894 - else if (!cs->port.count)
43895 + else if (!atomic_read(&cs->port.count))
43896 dev_warn(cs->dev, "%s: device not opened\n", __func__);
43897 - else if (!--cs->port.count)
43898 + else if (!atomic_dec_return(&cs->port.count))
43899 tty_port_tty_set(&cs->port, NULL);
43900
43901 mutex_unlock(&cs->mutex);
43902 diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
43903 index 8c91fd5..14f13ce 100644
43904 --- a/drivers/isdn/gigaset/ser-gigaset.c
43905 +++ b/drivers/isdn/gigaset/ser-gigaset.c
43906 @@ -453,22 +453,22 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
43907 }
43908
43909 static const struct gigaset_ops ops = {
43910 - gigaset_write_cmd,
43911 - gigaset_write_room,
43912 - gigaset_chars_in_buffer,
43913 - gigaset_brkchars,
43914 - gigaset_init_bchannel,
43915 - gigaset_close_bchannel,
43916 - gigaset_initbcshw,
43917 - gigaset_freebcshw,
43918 - gigaset_reinitbcshw,
43919 - gigaset_initcshw,
43920 - gigaset_freecshw,
43921 - gigaset_set_modem_ctrl,
43922 - gigaset_baud_rate,
43923 - gigaset_set_line_ctrl,
43924 - gigaset_m10x_send_skb, /* asyncdata.c */
43925 - gigaset_m10x_input, /* asyncdata.c */
43926 + .write_cmd = gigaset_write_cmd,
43927 + .write_room = gigaset_write_room,
43928 + .chars_in_buffer = gigaset_chars_in_buffer,
43929 + .brkchars = gigaset_brkchars,
43930 + .init_bchannel = gigaset_init_bchannel,
43931 + .close_bchannel = gigaset_close_bchannel,
43932 + .initbcshw = gigaset_initbcshw,
43933 + .freebcshw = gigaset_freebcshw,
43934 + .reinitbcshw = gigaset_reinitbcshw,
43935 + .initcshw = gigaset_initcshw,
43936 + .freecshw = gigaset_freecshw,
43937 + .set_modem_ctrl = gigaset_set_modem_ctrl,
43938 + .baud_rate = gigaset_baud_rate,
43939 + .set_line_ctrl = gigaset_set_line_ctrl,
43940 + .send_skb = gigaset_m10x_send_skb, /* asyncdata.c */
43941 + .handle_input = gigaset_m10x_input, /* asyncdata.c */
43942 };
43943
43944
43945 diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
43946 index a8e652d..edadaa4 100644
43947 --- a/drivers/isdn/gigaset/usb-gigaset.c
43948 +++ b/drivers/isdn/gigaset/usb-gigaset.c
43949 @@ -548,7 +548,7 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
43950 gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf);
43951 memcpy(cs->hw.usb->bchars, buf, 6);
43952 return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41,
43953 - 0, 0, &buf, 6, 2000);
43954 + 0, 0, buf, 6, 2000);
43955 }
43956
43957 static void gigaset_freebcshw(struct bc_state *bcs)
43958 @@ -867,22 +867,22 @@ static int gigaset_pre_reset(struct usb_interface *intf)
43959 }
43960
43961 static const struct gigaset_ops ops = {
43962 - gigaset_write_cmd,
43963 - gigaset_write_room,
43964 - gigaset_chars_in_buffer,
43965 - gigaset_brkchars,
43966 - gigaset_init_bchannel,
43967 - gigaset_close_bchannel,
43968 - gigaset_initbcshw,
43969 - gigaset_freebcshw,
43970 - gigaset_reinitbcshw,
43971 - gigaset_initcshw,
43972 - gigaset_freecshw,
43973 - gigaset_set_modem_ctrl,
43974 - gigaset_baud_rate,
43975 - gigaset_set_line_ctrl,
43976 - gigaset_m10x_send_skb,
43977 - gigaset_m10x_input,
43978 + .write_cmd = gigaset_write_cmd,
43979 + .write_room = gigaset_write_room,
43980 + .chars_in_buffer = gigaset_chars_in_buffer,
43981 + .brkchars = gigaset_brkchars,
43982 + .init_bchannel = gigaset_init_bchannel,
43983 + .close_bchannel = gigaset_close_bchannel,
43984 + .initbcshw = gigaset_initbcshw,
43985 + .freebcshw = gigaset_freebcshw,
43986 + .reinitbcshw = gigaset_reinitbcshw,
43987 + .initcshw = gigaset_initcshw,
43988 + .freecshw = gigaset_freecshw,
43989 + .set_modem_ctrl = gigaset_set_modem_ctrl,
43990 + .baud_rate = gigaset_baud_rate,
43991 + .set_line_ctrl = gigaset_set_line_ctrl,
43992 + .send_skb = gigaset_m10x_send_skb,
43993 + .handle_input = gigaset_m10x_input,
43994 };
43995
43996 /*
43997 diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
43998 index 4d9b195..455075c 100644
43999 --- a/drivers/isdn/hardware/avm/b1.c
44000 +++ b/drivers/isdn/hardware/avm/b1.c
44001 @@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file)
44002 }
44003 if (left) {
44004 if (t4file->user) {
44005 - if (copy_from_user(buf, dp, left))
44006 + if (left > sizeof buf || copy_from_user(buf, dp, left))
44007 return -EFAULT;
44008 } else {
44009 memcpy(buf, dp, left);
44010 @@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config)
44011 }
44012 if (left) {
44013 if (config->user) {
44014 - if (copy_from_user(buf, dp, left))
44015 + if (left > sizeof buf || copy_from_user(buf, dp, left))
44016 return -EFAULT;
44017 } else {
44018 memcpy(buf, dp, left);
44019 diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
44020 index 9b856e1..fa03c92 100644
44021 --- a/drivers/isdn/i4l/isdn_common.c
44022 +++ b/drivers/isdn/i4l/isdn_common.c
44023 @@ -1654,6 +1654,8 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
44024 } else
44025 return -EINVAL;
44026 case IIOCDBGVAR:
44027 + if (!capable(CAP_SYS_RAWIO))
44028 + return -EPERM;
44029 if (arg) {
44030 if (copy_to_user(argp, &dev, sizeof(ulong)))
44031 return -EFAULT;
44032 diff --git a/drivers/isdn/i4l/isdn_concap.c b/drivers/isdn/i4l/isdn_concap.c
44033 index 91d5730..336523e 100644
44034 --- a/drivers/isdn/i4l/isdn_concap.c
44035 +++ b/drivers/isdn/i4l/isdn_concap.c
44036 @@ -80,9 +80,9 @@ static int isdn_concap_dl_disconn_req(struct concap_proto *concap)
44037 }
44038
44039 struct concap_device_ops isdn_concap_reliable_dl_dops = {
44040 - &isdn_concap_dl_data_req,
44041 - &isdn_concap_dl_connect_req,
44042 - &isdn_concap_dl_disconn_req
44043 + .data_req = &isdn_concap_dl_data_req,
44044 + .connect_req = &isdn_concap_dl_connect_req,
44045 + .disconn_req = &isdn_concap_dl_disconn_req
44046 };
44047
44048 /* The following should better go into a dedicated source file such that
44049 diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
44050 index bc91261..2ef7e36 100644
44051 --- a/drivers/isdn/i4l/isdn_tty.c
44052 +++ b/drivers/isdn/i4l/isdn_tty.c
44053 @@ -1503,9 +1503,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
44054
44055 #ifdef ISDN_DEBUG_MODEM_OPEN
44056 printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name,
44057 - port->count);
44058 + atomic_read(&port->count));
44059 #endif
44060 - port->count++;
44061 + atomic_inc(&port->count);
44062 port->tty = tty;
44063 /*
44064 * Start up serial port
44065 @@ -1549,7 +1549,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
44066 #endif
44067 return;
44068 }
44069 - if ((tty->count == 1) && (port->count != 1)) {
44070 + if ((tty->count == 1) && (atomic_read(&port->count) != 1)) {
44071 /*
44072 * Uh, oh. tty->count is 1, which means that the tty
44073 * structure will be freed. Info->count should always
44074 @@ -1558,15 +1558,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
44075 * serial port won't be shutdown.
44076 */
44077 printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, "
44078 - "info->count is %d\n", port->count);
44079 - port->count = 1;
44080 + "info->count is %d\n", atomic_read(&port->count));
44081 + atomic_set(&port->count, 1);
44082 }
44083 - if (--port->count < 0) {
44084 + if (atomic_dec_return(&port->count) < 0) {
44085 printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n",
44086 - info->line, port->count);
44087 - port->count = 0;
44088 + info->line, atomic_read(&port->count));
44089 + atomic_set(&port->count, 0);
44090 }
44091 - if (port->count) {
44092 + if (atomic_read(&port->count)) {
44093 #ifdef ISDN_DEBUG_MODEM_OPEN
44094 printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n");
44095 #endif
44096 @@ -1620,7 +1620,7 @@ isdn_tty_hangup(struct tty_struct *tty)
44097 if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup"))
44098 return;
44099 isdn_tty_shutdown(info);
44100 - port->count = 0;
44101 + atomic_set(&port->count, 0);
44102 port->flags &= ~ASYNC_NORMAL_ACTIVE;
44103 port->tty = NULL;
44104 wake_up_interruptible(&port->open_wait);
44105 @@ -1965,7 +1965,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
44106 for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
44107 modem_info *info = &dev->mdm.info[i];
44108
44109 - if (info->port.count == 0)
44110 + if (atomic_read(&info->port.count) == 0)
44111 continue;
44112 if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */
44113 (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */
44114 diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c
44115 index e2d4e58..40cd045 100644
44116 --- a/drivers/isdn/i4l/isdn_x25iface.c
44117 +++ b/drivers/isdn/i4l/isdn_x25iface.c
44118 @@ -53,14 +53,14 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *);
44119
44120
44121 static struct concap_proto_ops ix25_pops = {
44122 - &isdn_x25iface_proto_new,
44123 - &isdn_x25iface_proto_del,
44124 - &isdn_x25iface_proto_restart,
44125 - &isdn_x25iface_proto_close,
44126 - &isdn_x25iface_xmit,
44127 - &isdn_x25iface_receive,
44128 - &isdn_x25iface_connect_ind,
44129 - &isdn_x25iface_disconn_ind
44130 + .proto_new = &isdn_x25iface_proto_new,
44131 + .proto_del = &isdn_x25iface_proto_del,
44132 + .restart = &isdn_x25iface_proto_restart,
44133 + .close = &isdn_x25iface_proto_close,
44134 + .encap_and_xmit = &isdn_x25iface_xmit,
44135 + .data_ind = &isdn_x25iface_receive,
44136 + .connect_ind = &isdn_x25iface_connect_ind,
44137 + .disconn_ind = &isdn_x25iface_disconn_ind
44138 };
44139
44140 /* error message helper function */
44141 diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
44142 index 6a7447c..cae33fe 100644
44143 --- a/drivers/isdn/icn/icn.c
44144 +++ b/drivers/isdn/icn/icn.c
44145 @@ -1045,7 +1045,7 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card)
44146 if (count > len)
44147 count = len;
44148 if (user) {
44149 - if (copy_from_user(msg, buf, count))
44150 + if (count > sizeof msg || copy_from_user(msg, buf, count))
44151 return -EFAULT;
44152 } else
44153 memcpy(msg, buf, count);
44154 diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
44155 index 87f7dff..7300125 100644
44156 --- a/drivers/isdn/mISDN/dsp_cmx.c
44157 +++ b/drivers/isdn/mISDN/dsp_cmx.c
44158 @@ -1625,7 +1625,7 @@ unsigned long dsp_spl_jiffies; /* calculate the next time to fire */
44159 static u16 dsp_count; /* last sample count */
44160 static int dsp_count_valid; /* if we have last sample count */
44161
44162 -void
44163 +void __intentional_overflow(-1)
44164 dsp_cmx_send(void *arg)
44165 {
44166 struct dsp_conf *conf;
44167 diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
44168 index f58a354..fbae176 100644
44169 --- a/drivers/leds/leds-clevo-mail.c
44170 +++ b/drivers/leds/leds-clevo-mail.c
44171 @@ -40,7 +40,7 @@ static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id)
44172 * detected as working, but in reality it is not) as low as
44173 * possible.
44174 */
44175 -static struct dmi_system_id clevo_mail_led_dmi_table[] __initdata = {
44176 +static struct dmi_system_id clevo_mail_led_dmi_table[] __initconst = {
44177 {
44178 .callback = clevo_mail_led_dmi_callback,
44179 .ident = "Clevo D410J",
44180 diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
44181 index 046cb70..6b20d39 100644
44182 --- a/drivers/leds/leds-ss4200.c
44183 +++ b/drivers/leds/leds-ss4200.c
44184 @@ -91,7 +91,7 @@ MODULE_PARM_DESC(nodetect, "Skip DMI-based hardware detection");
44185 * detected as working, but in reality it is not) as low as
44186 * possible.
44187 */
44188 -static struct dmi_system_id nas_led_whitelist[] __initdata = {
44189 +static struct dmi_system_id nas_led_whitelist[] __initconst = {
44190 {
44191 .callback = ss4200_led_dmi_callback,
44192 .ident = "Intel SS4200-E",
44193 diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
44194 index 6590558..a74c5dd 100644
44195 --- a/drivers/lguest/core.c
44196 +++ b/drivers/lguest/core.c
44197 @@ -96,9 +96,17 @@ static __init int map_switcher(void)
44198 * The end address needs +1 because __get_vm_area allocates an
44199 * extra guard page, so we need space for that.
44200 */
44201 +
44202 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
44203 + switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
44204 + VM_ALLOC | VM_KERNEXEC, switcher_addr, switcher_addr
44205 + + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
44206 +#else
44207 switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE,
44208 VM_ALLOC, switcher_addr, switcher_addr
44209 + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE);
44210 +#endif
44211 +
44212 if (!switcher_vma) {
44213 err = -ENOMEM;
44214 printk("lguest: could not map switcher pages high\n");
44215 @@ -121,7 +129,7 @@ static __init int map_switcher(void)
44216 * Now the Switcher is mapped at the right address, we can't fail!
44217 * Copy in the compiled-in Switcher code (from x86/switcher_32.S).
44218 */
44219 - memcpy(switcher_vma->addr, start_switcher_text,
44220 + memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text),
44221 end_switcher_text - start_switcher_text);
44222
44223 printk(KERN_INFO "lguest: mapped switcher at %p\n",
44224 diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
44225 index e8b55c3..3514c37 100644
44226 --- a/drivers/lguest/page_tables.c
44227 +++ b/drivers/lguest/page_tables.c
44228 @@ -559,7 +559,7 @@ void pin_page(struct lg_cpu *cpu, unsigned long vaddr)
44229 /*:*/
44230
44231 #ifdef CONFIG_X86_PAE
44232 -static void release_pmd(pmd_t *spmd)
44233 +static void __intentional_overflow(-1) release_pmd(pmd_t *spmd)
44234 {
44235 /* If the entry's not present, there's nothing to release. */
44236 if (pmd_flags(*spmd) & _PAGE_PRESENT) {
44237 diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
44238 index 922a1ac..9dd0c2a 100644
44239 --- a/drivers/lguest/x86/core.c
44240 +++ b/drivers/lguest/x86/core.c
44241 @@ -59,7 +59,7 @@ static struct {
44242 /* Offset from where switcher.S was compiled to where we've copied it */
44243 static unsigned long switcher_offset(void)
44244 {
44245 - return switcher_addr - (unsigned long)start_switcher_text;
44246 + return switcher_addr - (unsigned long)ktla_ktva(start_switcher_text);
44247 }
44248
44249 /* This cpu's struct lguest_pages (after the Switcher text page) */
44250 @@ -99,7 +99,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages)
44251 * These copies are pretty cheap, so we do them unconditionally: */
44252 /* Save the current Host top-level page directory.
44253 */
44254 +
44255 +#ifdef CONFIG_PAX_PER_CPU_PGD
44256 + pages->state.host_cr3 = read_cr3();
44257 +#else
44258 pages->state.host_cr3 = __pa(current->mm->pgd);
44259 +#endif
44260 +
44261 /*
44262 * Set up the Guest's page tables to see this CPU's pages (and no
44263 * other CPU's pages).
44264 @@ -477,7 +483,7 @@ void __init lguest_arch_host_init(void)
44265 * compiled-in switcher code and the high-mapped copy we just made.
44266 */
44267 for (i = 0; i < IDT_ENTRIES; i++)
44268 - default_idt_entries[i] += switcher_offset();
44269 + default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset();
44270
44271 /*
44272 * Set up the Switcher's per-cpu areas.
44273 @@ -560,7 +566,7 @@ void __init lguest_arch_host_init(void)
44274 * it will be undisturbed when we switch. To change %cs and jump we
44275 * need this structure to feed to Intel's "lcall" instruction.
44276 */
44277 - lguest_entry.offset = (long)switch_to_guest + switcher_offset();
44278 + lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset();
44279 lguest_entry.segment = LGUEST_CS;
44280
44281 /*
44282 diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S
44283 index 40634b0..4f5855e 100644
44284 --- a/drivers/lguest/x86/switcher_32.S
44285 +++ b/drivers/lguest/x86/switcher_32.S
44286 @@ -87,6 +87,7 @@
44287 #include <asm/page.h>
44288 #include <asm/segment.h>
44289 #include <asm/lguest.h>
44290 +#include <asm/processor-flags.h>
44291
44292 // We mark the start of the code to copy
44293 // It's placed in .text tho it's never run here
44294 @@ -149,6 +150,13 @@ ENTRY(switch_to_guest)
44295 // Changes type when we load it: damn Intel!
44296 // For after we switch over our page tables
44297 // That entry will be read-only: we'd crash.
44298 +
44299 +#ifdef CONFIG_PAX_KERNEXEC
44300 + mov %cr0, %edx
44301 + xor $X86_CR0_WP, %edx
44302 + mov %edx, %cr0
44303 +#endif
44304 +
44305 movl $(GDT_ENTRY_TSS*8), %edx
44306 ltr %dx
44307
44308 @@ -157,9 +165,15 @@ ENTRY(switch_to_guest)
44309 // Let's clear it again for our return.
44310 // The GDT descriptor of the Host
44311 // Points to the table after two "size" bytes
44312 - movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx
44313 + movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax
44314 // Clear "used" from type field (byte 5, bit 2)
44315 - andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx)
44316 + andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax)
44317 +
44318 +#ifdef CONFIG_PAX_KERNEXEC
44319 + mov %cr0, %eax
44320 + xor $X86_CR0_WP, %eax
44321 + mov %eax, %cr0
44322 +#endif
44323
44324 // Once our page table's switched, the Guest is live!
44325 // The Host fades as we run this final step.
44326 @@ -295,13 +309,12 @@ deliver_to_host:
44327 // I consulted gcc, and it gave
44328 // These instructions, which I gladly credit:
44329 leal (%edx,%ebx,8), %eax
44330 - movzwl (%eax),%edx
44331 - movl 4(%eax), %eax
44332 - xorw %ax, %ax
44333 - orl %eax, %edx
44334 + movl 4(%eax), %edx
44335 + movw (%eax), %dx
44336 // Now the address of the handler's in %edx
44337 // We call it now: its "iret" drops us home.
44338 - jmp *%edx
44339 + ljmp $__KERNEL_CS, $1f
44340 +1: jmp *%edx
44341
44342 // Every interrupt can come to us here
44343 // But we must truly tell each apart.
44344 diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h
44345 index a08e3ee..df8ade2 100644
44346 --- a/drivers/md/bcache/closure.h
44347 +++ b/drivers/md/bcache/closure.h
44348 @@ -238,7 +238,7 @@ static inline void closure_set_stopped(struct closure *cl)
44349 static inline void set_closure_fn(struct closure *cl, closure_fn *fn,
44350 struct workqueue_struct *wq)
44351 {
44352 - BUG_ON(object_is_on_stack(cl));
44353 + BUG_ON(object_starts_on_stack(cl));
44354 closure_set_ip(cl);
44355 cl->fn = fn;
44356 cl->wq = wq;
44357 diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
44358 index da3604e..7789cb4c 100644
44359 --- a/drivers/md/bitmap.c
44360 +++ b/drivers/md/bitmap.c
44361 @@ -1771,7 +1771,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
44362 chunk_kb ? "KB" : "B");
44363 if (bitmap->storage.file) {
44364 seq_printf(seq, ", file: ");
44365 - seq_path(seq, &bitmap->storage.file->f_path, " \t\n");
44366 + seq_path(seq, &bitmap->storage.file->f_path, " \t\n\\");
44367 }
44368
44369 seq_printf(seq, "\n");
44370 diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
44371 index 0be9381..114262b 100644
44372 --- a/drivers/md/dm-ioctl.c
44373 +++ b/drivers/md/dm-ioctl.c
44374 @@ -1769,7 +1769,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
44375 cmd == DM_LIST_VERSIONS_CMD)
44376 return 0;
44377
44378 - if ((cmd == DM_DEV_CREATE_CMD)) {
44379 + if (cmd == DM_DEV_CREATE_CMD) {
44380 if (!*param->name) {
44381 DMWARN("name not supplied when creating device");
44382 return -EINVAL;
44383 diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
44384 index 7dfdb5c..4caada6 100644
44385 --- a/drivers/md/dm-raid1.c
44386 +++ b/drivers/md/dm-raid1.c
44387 @@ -40,7 +40,7 @@ enum dm_raid1_error {
44388
44389 struct mirror {
44390 struct mirror_set *ms;
44391 - atomic_t error_count;
44392 + atomic_unchecked_t error_count;
44393 unsigned long error_type;
44394 struct dm_dev *dev;
44395 sector_t offset;
44396 @@ -186,7 +186,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms)
44397 struct mirror *m;
44398
44399 for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++)
44400 - if (!atomic_read(&m->error_count))
44401 + if (!atomic_read_unchecked(&m->error_count))
44402 return m;
44403
44404 return NULL;
44405 @@ -218,7 +218,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type)
44406 * simple way to tell if a device has encountered
44407 * errors.
44408 */
44409 - atomic_inc(&m->error_count);
44410 + atomic_inc_unchecked(&m->error_count);
44411
44412 if (test_and_set_bit(error_type, &m->error_type))
44413 return;
44414 @@ -409,7 +409,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector)
44415 struct mirror *m = get_default_mirror(ms);
44416
44417 do {
44418 - if (likely(!atomic_read(&m->error_count)))
44419 + if (likely(!atomic_read_unchecked(&m->error_count)))
44420 return m;
44421
44422 if (m-- == ms->mirror)
44423 @@ -423,7 +423,7 @@ static int default_ok(struct mirror *m)
44424 {
44425 struct mirror *default_mirror = get_default_mirror(m->ms);
44426
44427 - return !atomic_read(&default_mirror->error_count);
44428 + return !atomic_read_unchecked(&default_mirror->error_count);
44429 }
44430
44431 static int mirror_available(struct mirror_set *ms, struct bio *bio)
44432 @@ -560,7 +560,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
44433 */
44434 if (likely(region_in_sync(ms, region, 1)))
44435 m = choose_mirror(ms, bio->bi_iter.bi_sector);
44436 - else if (m && atomic_read(&m->error_count))
44437 + else if (m && atomic_read_unchecked(&m->error_count))
44438 m = NULL;
44439
44440 if (likely(m))
44441 @@ -927,7 +927,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
44442 }
44443
44444 ms->mirror[mirror].ms = ms;
44445 - atomic_set(&(ms->mirror[mirror].error_count), 0);
44446 + atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0);
44447 ms->mirror[mirror].error_type = 0;
44448 ms->mirror[mirror].offset = offset;
44449
44450 @@ -1342,7 +1342,7 @@ static void mirror_resume(struct dm_target *ti)
44451 */
44452 static char device_status_char(struct mirror *m)
44453 {
44454 - if (!atomic_read(&(m->error_count)))
44455 + if (!atomic_read_unchecked(&(m->error_count)))
44456 return 'A';
44457
44458 return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' :
44459 diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
44460 index 87f86c7..a1a4100 100644
44461 --- a/drivers/md/dm-stats.c
44462 +++ b/drivers/md/dm-stats.c
44463 @@ -382,7 +382,7 @@ do_sync_free:
44464 synchronize_rcu_expedited();
44465 dm_stat_free(&s->rcu_head);
44466 } else {
44467 - ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1;
44468 + ACCESS_ONCE_RW(dm_stat_need_rcu_barrier) = 1;
44469 call_rcu(&s->rcu_head, dm_stat_free);
44470 }
44471 return 0;
44472 @@ -554,8 +554,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw,
44473 ((bi_rw & (REQ_WRITE | REQ_DISCARD)) ==
44474 (ACCESS_ONCE(last->last_rw) & (REQ_WRITE | REQ_DISCARD)))
44475 ));
44476 - ACCESS_ONCE(last->last_sector) = end_sector;
44477 - ACCESS_ONCE(last->last_rw) = bi_rw;
44478 + ACCESS_ONCE_RW(last->last_sector) = end_sector;
44479 + ACCESS_ONCE_RW(last->last_rw) = bi_rw;
44480 }
44481
44482 rcu_read_lock();
44483 diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
44484 index f8b37d4..5c5cafd 100644
44485 --- a/drivers/md/dm-stripe.c
44486 +++ b/drivers/md/dm-stripe.c
44487 @@ -21,7 +21,7 @@ struct stripe {
44488 struct dm_dev *dev;
44489 sector_t physical_start;
44490
44491 - atomic_t error_count;
44492 + atomic_unchecked_t error_count;
44493 };
44494
44495 struct stripe_c {
44496 @@ -188,7 +188,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
44497 kfree(sc);
44498 return r;
44499 }
44500 - atomic_set(&(sc->stripe[i].error_count), 0);
44501 + atomic_set_unchecked(&(sc->stripe[i].error_count), 0);
44502 }
44503
44504 ti->private = sc;
44505 @@ -332,7 +332,7 @@ static void stripe_status(struct dm_target *ti, status_type_t type,
44506 DMEMIT("%d ", sc->stripes);
44507 for (i = 0; i < sc->stripes; i++) {
44508 DMEMIT("%s ", sc->stripe[i].dev->name);
44509 - buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ?
44510 + buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ?
44511 'D' : 'A';
44512 }
44513 buffer[i] = '\0';
44514 @@ -377,8 +377,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error)
44515 */
44516 for (i = 0; i < sc->stripes; i++)
44517 if (!strcmp(sc->stripe[i].dev->name, major_minor)) {
44518 - atomic_inc(&(sc->stripe[i].error_count));
44519 - if (atomic_read(&(sc->stripe[i].error_count)) <
44520 + atomic_inc_unchecked(&(sc->stripe[i].error_count));
44521 + if (atomic_read_unchecked(&(sc->stripe[i].error_count)) <
44522 DM_IO_ERROR_THRESHOLD)
44523 schedule_work(&sc->trigger_event);
44524 }
44525 diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
44526 index b2bd1eb..38f7a44 100644
44527 --- a/drivers/md/dm-table.c
44528 +++ b/drivers/md/dm-table.c
44529 @@ -303,7 +303,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
44530 if (!dev_size)
44531 return 0;
44532
44533 - if ((start >= dev_size) || (start + len > dev_size)) {
44534 + if ((start >= dev_size) || (len > dev_size - start)) {
44535 DMWARN("%s: %s too small for target: "
44536 "start=%llu, len=%llu, dev_size=%llu",
44537 dm_device_name(ti->table->md), bdevname(bdev, b),
44538 diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
44539 index e9d33ad..dae9880d 100644
44540 --- a/drivers/md/dm-thin-metadata.c
44541 +++ b/drivers/md/dm-thin-metadata.c
44542 @@ -404,7 +404,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
44543 {
44544 pmd->info.tm = pmd->tm;
44545 pmd->info.levels = 2;
44546 - pmd->info.value_type.context = pmd->data_sm;
44547 + pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
44548 pmd->info.value_type.size = sizeof(__le64);
44549 pmd->info.value_type.inc = data_block_inc;
44550 pmd->info.value_type.dec = data_block_dec;
44551 @@ -423,7 +423,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
44552
44553 pmd->bl_info.tm = pmd->tm;
44554 pmd->bl_info.levels = 1;
44555 - pmd->bl_info.value_type.context = pmd->data_sm;
44556 + pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm;
44557 pmd->bl_info.value_type.size = sizeof(__le64);
44558 pmd->bl_info.value_type.inc = data_block_inc;
44559 pmd->bl_info.value_type.dec = data_block_dec;
44560 diff --git a/drivers/md/dm.c b/drivers/md/dm.c
44561 index 62c5136..aede7f1 100644
44562 --- a/drivers/md/dm.c
44563 +++ b/drivers/md/dm.c
44564 @@ -183,9 +183,9 @@ struct mapped_device {
44565 /*
44566 * Event handling.
44567 */
44568 - atomic_t event_nr;
44569 + atomic_unchecked_t event_nr;
44570 wait_queue_head_t eventq;
44571 - atomic_t uevent_seq;
44572 + atomic_unchecked_t uevent_seq;
44573 struct list_head uevent_list;
44574 spinlock_t uevent_lock; /* Protect access to uevent_list */
44575
44576 @@ -2071,8 +2071,8 @@ static struct mapped_device *alloc_dev(int minor)
44577 spin_lock_init(&md->deferred_lock);
44578 atomic_set(&md->holders, 1);
44579 atomic_set(&md->open_count, 0);
44580 - atomic_set(&md->event_nr, 0);
44581 - atomic_set(&md->uevent_seq, 0);
44582 + atomic_set_unchecked(&md->event_nr, 0);
44583 + atomic_set_unchecked(&md->uevent_seq, 0);
44584 INIT_LIST_HEAD(&md->uevent_list);
44585 INIT_LIST_HEAD(&md->table_devices);
44586 spin_lock_init(&md->uevent_lock);
44587 @@ -2228,7 +2228,7 @@ static void event_callback(void *context)
44588
44589 dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj);
44590
44591 - atomic_inc(&md->event_nr);
44592 + atomic_inc_unchecked(&md->event_nr);
44593 wake_up(&md->eventq);
44594 }
44595
44596 @@ -2921,18 +2921,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
44597
44598 uint32_t dm_next_uevent_seq(struct mapped_device *md)
44599 {
44600 - return atomic_add_return(1, &md->uevent_seq);
44601 + return atomic_add_return_unchecked(1, &md->uevent_seq);
44602 }
44603
44604 uint32_t dm_get_event_nr(struct mapped_device *md)
44605 {
44606 - return atomic_read(&md->event_nr);
44607 + return atomic_read_unchecked(&md->event_nr);
44608 }
44609
44610 int dm_wait_event(struct mapped_device *md, int event_nr)
44611 {
44612 return wait_event_interruptible(md->eventq,
44613 - (event_nr != atomic_read(&md->event_nr)));
44614 + (event_nr != atomic_read_unchecked(&md->event_nr)));
44615 }
44616
44617 void dm_uevent_add(struct mapped_device *md, struct list_head *elist)
44618 diff --git a/drivers/md/md.c b/drivers/md/md.c
44619 index 9233c71..ed5243a 100644
44620 --- a/drivers/md/md.c
44621 +++ b/drivers/md/md.c
44622 @@ -190,10 +190,10 @@ EXPORT_SYMBOL_GPL(bio_clone_mddev);
44623 * start build, activate spare
44624 */
44625 static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
44626 -static atomic_t md_event_count;
44627 +static atomic_unchecked_t md_event_count;
44628 void md_new_event(struct mddev *mddev)
44629 {
44630 - atomic_inc(&md_event_count);
44631 + atomic_inc_unchecked(&md_event_count);
44632 wake_up(&md_event_waiters);
44633 }
44634 EXPORT_SYMBOL_GPL(md_new_event);
44635 @@ -203,7 +203,7 @@ EXPORT_SYMBOL_GPL(md_new_event);
44636 */
44637 static void md_new_event_inintr(struct mddev *mddev)
44638 {
44639 - atomic_inc(&md_event_count);
44640 + atomic_inc_unchecked(&md_event_count);
44641 wake_up(&md_event_waiters);
44642 }
44643
44644 @@ -1426,7 +1426,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
44645 if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) &&
44646 (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET))
44647 rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset);
44648 - atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
44649 + atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read));
44650
44651 rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256;
44652 bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
44653 @@ -1677,7 +1677,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
44654 else
44655 sb->resync_offset = cpu_to_le64(0);
44656
44657 - sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors));
44658 + sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors));
44659
44660 sb->raid_disks = cpu_to_le32(mddev->raid_disks);
44661 sb->size = cpu_to_le64(mddev->dev_sectors);
44662 @@ -2547,7 +2547,7 @@ __ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
44663 static ssize_t
44664 errors_show(struct md_rdev *rdev, char *page)
44665 {
44666 - return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
44667 + return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors));
44668 }
44669
44670 static ssize_t
44671 @@ -2556,7 +2556,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len)
44672 char *e;
44673 unsigned long n = simple_strtoul(buf, &e, 10);
44674 if (*buf && (*e == 0 || *e == '\n')) {
44675 - atomic_set(&rdev->corrected_errors, n);
44676 + atomic_set_unchecked(&rdev->corrected_errors, n);
44677 return len;
44678 }
44679 return -EINVAL;
44680 @@ -3000,8 +3000,8 @@ int md_rdev_init(struct md_rdev *rdev)
44681 rdev->sb_loaded = 0;
44682 rdev->bb_page = NULL;
44683 atomic_set(&rdev->nr_pending, 0);
44684 - atomic_set(&rdev->read_errors, 0);
44685 - atomic_set(&rdev->corrected_errors, 0);
44686 + atomic_set_unchecked(&rdev->read_errors, 0);
44687 + atomic_set_unchecked(&rdev->corrected_errors, 0);
44688
44689 INIT_LIST_HEAD(&rdev->same_set);
44690 init_waitqueue_head(&rdev->blocked_wait);
44691 @@ -6855,7 +6855,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
44692
44693 spin_unlock(&pers_lock);
44694 seq_printf(seq, "\n");
44695 - seq->poll_event = atomic_read(&md_event_count);
44696 + seq->poll_event = atomic_read_unchecked(&md_event_count);
44697 return 0;
44698 }
44699 if (v == (void*)2) {
44700 @@ -6958,7 +6958,7 @@ static int md_seq_open(struct inode *inode, struct file *file)
44701 return error;
44702
44703 seq = file->private_data;
44704 - seq->poll_event = atomic_read(&md_event_count);
44705 + seq->poll_event = atomic_read_unchecked(&md_event_count);
44706 return error;
44707 }
44708
44709 @@ -6975,7 +6975,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
44710 /* always allow read */
44711 mask = POLLIN | POLLRDNORM;
44712
44713 - if (seq->poll_event != atomic_read(&md_event_count))
44714 + if (seq->poll_event != atomic_read_unchecked(&md_event_count))
44715 mask |= POLLERR | POLLPRI;
44716 return mask;
44717 }
44718 @@ -7022,7 +7022,7 @@ static int is_mddev_idle(struct mddev *mddev, int init)
44719 struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
44720 curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
44721 (int)part_stat_read(&disk->part0, sectors[1]) -
44722 - atomic_read(&disk->sync_io);
44723 + atomic_read_unchecked(&disk->sync_io);
44724 /* sync IO will cause sync_io to increase before the disk_stats
44725 * as sync_io is counted when a request starts, and
44726 * disk_stats is counted when it completes.
44727 diff --git a/drivers/md/md.h b/drivers/md/md.h
44728 index 03cec5b..0a658c1 100644
44729 --- a/drivers/md/md.h
44730 +++ b/drivers/md/md.h
44731 @@ -94,13 +94,13 @@ struct md_rdev {
44732 * only maintained for arrays that
44733 * support hot removal
44734 */
44735 - atomic_t read_errors; /* number of consecutive read errors that
44736 + atomic_unchecked_t read_errors; /* number of consecutive read errors that
44737 * we have tried to ignore.
44738 */
44739 struct timespec last_read_error; /* monotonic time since our
44740 * last read error
44741 */
44742 - atomic_t corrected_errors; /* number of corrected read errors,
44743 + atomic_unchecked_t corrected_errors; /* number of corrected read errors,
44744 * for reporting to userspace and storing
44745 * in superblock.
44746 */
44747 @@ -448,7 +448,7 @@ static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
44748
44749 static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors)
44750 {
44751 - atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
44752 + atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io);
44753 }
44754
44755 struct md_personality
44756 diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
44757 index f4e22bc..8f83114 100644
44758 --- a/drivers/md/persistent-data/dm-space-map-metadata.c
44759 +++ b/drivers/md/persistent-data/dm-space-map-metadata.c
44760 @@ -681,7 +681,7 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
44761 * Flick into a mode where all blocks get allocated in the new area.
44762 */
44763 smm->begin = old_len;
44764 - memcpy(sm, &bootstrap_ops, sizeof(*sm));
44765 + memcpy((void *)sm, &bootstrap_ops, sizeof(*sm));
44766
44767 /*
44768 * Extend.
44769 @@ -712,7 +712,7 @@ out:
44770 /*
44771 * Switch back to normal behaviour.
44772 */
44773 - memcpy(sm, &ops, sizeof(*sm));
44774 + memcpy((void *)sm, &ops, sizeof(*sm));
44775 return r;
44776 }
44777
44778 diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h
44779 index 3e6d115..ffecdeb 100644
44780 --- a/drivers/md/persistent-data/dm-space-map.h
44781 +++ b/drivers/md/persistent-data/dm-space-map.h
44782 @@ -71,6 +71,7 @@ struct dm_space_map {
44783 dm_sm_threshold_fn fn,
44784 void *context);
44785 };
44786 +typedef struct dm_space_map __no_const dm_space_map_no_const;
44787
44788 /*----------------------------------------------------------------*/
44789
44790 diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
44791 index 40b35be..a327e11 100644
44792 --- a/drivers/md/raid1.c
44793 +++ b/drivers/md/raid1.c
44794 @@ -1931,7 +1931,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
44795 if (r1_sync_page_io(rdev, sect, s,
44796 bio->bi_io_vec[idx].bv_page,
44797 READ) != 0)
44798 - atomic_add(s, &rdev->corrected_errors);
44799 + atomic_add_unchecked(s, &rdev->corrected_errors);
44800 }
44801 sectors -= s;
44802 sect += s;
44803 @@ -2164,7 +2164,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk,
44804 !test_bit(Faulty, &rdev->flags)) {
44805 if (r1_sync_page_io(rdev, sect, s,
44806 conf->tmppage, READ)) {
44807 - atomic_add(s, &rdev->corrected_errors);
44808 + atomic_add_unchecked(s, &rdev->corrected_errors);
44809 printk(KERN_INFO
44810 "md/raid1:%s: read error corrected "
44811 "(%d sectors at %llu on %s)\n",
44812 diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
44813 index 32e282f..5cec803 100644
44814 --- a/drivers/md/raid10.c
44815 +++ b/drivers/md/raid10.c
44816 @@ -1944,7 +1944,7 @@ static void end_sync_read(struct bio *bio, int error)
44817 /* The write handler will notice the lack of
44818 * R10BIO_Uptodate and record any errors etc
44819 */
44820 - atomic_add(r10_bio->sectors,
44821 + atomic_add_unchecked(r10_bio->sectors,
44822 &conf->mirrors[d].rdev->corrected_errors);
44823
44824 /* for reconstruct, we always reschedule after a read.
44825 @@ -2301,7 +2301,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
44826 {
44827 struct timespec cur_time_mon;
44828 unsigned long hours_since_last;
44829 - unsigned int read_errors = atomic_read(&rdev->read_errors);
44830 + unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors);
44831
44832 ktime_get_ts(&cur_time_mon);
44833
44834 @@ -2323,9 +2323,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
44835 * overflowing the shift of read_errors by hours_since_last.
44836 */
44837 if (hours_since_last >= 8 * sizeof(read_errors))
44838 - atomic_set(&rdev->read_errors, 0);
44839 + atomic_set_unchecked(&rdev->read_errors, 0);
44840 else
44841 - atomic_set(&rdev->read_errors, read_errors >> hours_since_last);
44842 + atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last);
44843 }
44844
44845 static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
44846 @@ -2379,8 +2379,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
44847 return;
44848
44849 check_decay_read_errors(mddev, rdev);
44850 - atomic_inc(&rdev->read_errors);
44851 - if (atomic_read(&rdev->read_errors) > max_read_errors) {
44852 + atomic_inc_unchecked(&rdev->read_errors);
44853 + if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) {
44854 char b[BDEVNAME_SIZE];
44855 bdevname(rdev->bdev, b);
44856
44857 @@ -2388,7 +2388,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
44858 "md/raid10:%s: %s: Raid device exceeded "
44859 "read_error threshold [cur %d:max %d]\n",
44860 mdname(mddev), b,
44861 - atomic_read(&rdev->read_errors), max_read_errors);
44862 + atomic_read_unchecked(&rdev->read_errors), max_read_errors);
44863 printk(KERN_NOTICE
44864 "md/raid10:%s: %s: Failing raid device\n",
44865 mdname(mddev), b);
44866 @@ -2543,7 +2543,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
44867 sect +
44868 choose_data_offset(r10_bio, rdev)),
44869 bdevname(rdev->bdev, b));
44870 - atomic_add(s, &rdev->corrected_errors);
44871 + atomic_add_unchecked(s, &rdev->corrected_errors);
44872 }
44873
44874 rdev_dec_pending(rdev, mddev);
44875 diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
44876 index c1b0d52..07a0a5d 100644
44877 --- a/drivers/md/raid5.c
44878 +++ b/drivers/md/raid5.c
44879 @@ -1730,6 +1730,10 @@ static int grow_one_stripe(struct r5conf *conf, int hash)
44880 return 1;
44881 }
44882
44883 +#ifdef CONFIG_GRKERNSEC_HIDESYM
44884 +static atomic_unchecked_t raid5_cache_id = ATOMIC_INIT(0);
44885 +#endif
44886 +
44887 static int grow_stripes(struct r5conf *conf, int num)
44888 {
44889 struct kmem_cache *sc;
44890 @@ -1741,7 +1745,11 @@ static int grow_stripes(struct r5conf *conf, int num)
44891 "raid%d-%s", conf->level, mdname(conf->mddev));
44892 else
44893 sprintf(conf->cache_name[0],
44894 +#ifdef CONFIG_GRKERNSEC_HIDESYM
44895 + "raid%d-%08lx", conf->level, atomic_inc_return_unchecked(&raid5_cache_id));
44896 +#else
44897 "raid%d-%p", conf->level, conf->mddev);
44898 +#endif
44899 sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]);
44900
44901 conf->active_name = 0;
44902 @@ -2017,21 +2025,21 @@ static void raid5_end_read_request(struct bio * bi, int error)
44903 mdname(conf->mddev), STRIPE_SECTORS,
44904 (unsigned long long)s,
44905 bdevname(rdev->bdev, b));
44906 - atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
44907 + atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors);
44908 clear_bit(R5_ReadError, &sh->dev[i].flags);
44909 clear_bit(R5_ReWrite, &sh->dev[i].flags);
44910 } else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags))
44911 clear_bit(R5_ReadNoMerge, &sh->dev[i].flags);
44912
44913 - if (atomic_read(&rdev->read_errors))
44914 - atomic_set(&rdev->read_errors, 0);
44915 + if (atomic_read_unchecked(&rdev->read_errors))
44916 + atomic_set_unchecked(&rdev->read_errors, 0);
44917 } else {
44918 const char *bdn = bdevname(rdev->bdev, b);
44919 int retry = 0;
44920 int set_bad = 0;
44921
44922 clear_bit(R5_UPTODATE, &sh->dev[i].flags);
44923 - atomic_inc(&rdev->read_errors);
44924 + atomic_inc_unchecked(&rdev->read_errors);
44925 if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
44926 printk_ratelimited(
44927 KERN_WARNING
44928 @@ -2059,7 +2067,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
44929 mdname(conf->mddev),
44930 (unsigned long long)s,
44931 bdn);
44932 - } else if (atomic_read(&rdev->read_errors)
44933 + } else if (atomic_read_unchecked(&rdev->read_errors)
44934 > conf->max_nr_stripes)
44935 printk(KERN_WARNING
44936 "md/raid:%s: Too many read errors, failing device %s.\n",
44937 diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
44938 index 983db75..ef9248c 100644
44939 --- a/drivers/media/dvb-core/dvbdev.c
44940 +++ b/drivers/media/dvb-core/dvbdev.c
44941 @@ -185,7 +185,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
44942 const struct dvb_device *template, void *priv, int type)
44943 {
44944 struct dvb_device *dvbdev;
44945 - struct file_operations *dvbdevfops;
44946 + file_operations_no_const *dvbdevfops;
44947 struct device *clsdev;
44948 int minor;
44949 int id;
44950 diff --git a/drivers/media/dvb-frontends/af9033.h b/drivers/media/dvb-frontends/af9033.h
44951 index 6ad22b6..6e90e2a 100644
44952 --- a/drivers/media/dvb-frontends/af9033.h
44953 +++ b/drivers/media/dvb-frontends/af9033.h
44954 @@ -96,6 +96,6 @@ struct af9033_ops {
44955 int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff);
44956 int (*pid_filter)(struct dvb_frontend *fe, int index, u16 pid,
44957 int onoff);
44958 -};
44959 +} __no_const;
44960
44961 #endif /* AF9033_H */
44962 diff --git a/drivers/media/dvb-frontends/dib3000.h b/drivers/media/dvb-frontends/dib3000.h
44963 index 9b6c3bb..baeb5c7 100644
44964 --- a/drivers/media/dvb-frontends/dib3000.h
44965 +++ b/drivers/media/dvb-frontends/dib3000.h
44966 @@ -39,7 +39,7 @@ struct dib_fe_xfer_ops
44967 int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
44968 int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
44969 int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
44970 -};
44971 +} __no_const;
44972
44973 #if IS_ENABLED(CONFIG_DVB_DIB3000MB)
44974 extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
44975 diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h
44976 index 1fea0e9..321ce8f 100644
44977 --- a/drivers/media/dvb-frontends/dib7000p.h
44978 +++ b/drivers/media/dvb-frontends/dib7000p.h
44979 @@ -64,7 +64,7 @@ struct dib7000p_ops {
44980 int (*get_adc_power)(struct dvb_frontend *fe);
44981 int (*slave_reset)(struct dvb_frontend *fe);
44982 struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg);
44983 -};
44984 +} __no_const;
44985
44986 #if IS_ENABLED(CONFIG_DVB_DIB7000P)
44987 void *dib7000p_attach(struct dib7000p_ops *ops);
44988 diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h
44989 index 84cc103..5780c54 100644
44990 --- a/drivers/media/dvb-frontends/dib8000.h
44991 +++ b/drivers/media/dvb-frontends/dib8000.h
44992 @@ -61,7 +61,7 @@ struct dib8000_ops {
44993 int (*pid_filter_ctrl)(struct dvb_frontend *fe, u8 onoff);
44994 int (*pid_filter)(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff);
44995 struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg);
44996 -};
44997 +} __no_const;
44998
44999 #if IS_ENABLED(CONFIG_DVB_DIB8000)
45000 void *dib8000_attach(struct dib8000_ops *ops);
45001 diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
45002 index ce27e6d..b70435a 100644
45003 --- a/drivers/media/pci/cx88/cx88-video.c
45004 +++ b/drivers/media/pci/cx88/cx88-video.c
45005 @@ -50,9 +50,9 @@ MODULE_VERSION(CX88_VERSION);
45006
45007 /* ------------------------------------------------------------------ */
45008
45009 -static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45010 -static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45011 -static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45012 +static int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45013 +static int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45014 +static int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
45015
45016 module_param_array(video_nr, int, NULL, 0444);
45017 module_param_array(vbi_nr, int, NULL, 0444);
45018 diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
45019 index 802642d..5534900 100644
45020 --- a/drivers/media/pci/ivtv/ivtv-driver.c
45021 +++ b/drivers/media/pci/ivtv/ivtv-driver.c
45022 @@ -83,7 +83,7 @@ static struct pci_device_id ivtv_pci_tbl[] = {
45023 MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
45024
45025 /* ivtv instance counter */
45026 -static atomic_t ivtv_instance = ATOMIC_INIT(0);
45027 +static atomic_unchecked_t ivtv_instance = ATOMIC_INIT(0);
45028
45029 /* Parameter declarations */
45030 static int cardtype[IVTV_MAX_CARDS];
45031 diff --git a/drivers/media/pci/solo6x10/solo6x10-core.c b/drivers/media/pci/solo6x10/solo6x10-core.c
45032 index 8cbe6b4..ea3601c 100644
45033 --- a/drivers/media/pci/solo6x10/solo6x10-core.c
45034 +++ b/drivers/media/pci/solo6x10/solo6x10-core.c
45035 @@ -424,7 +424,7 @@ static void solo_device_release(struct device *dev)
45036
45037 static int solo_sysfs_init(struct solo_dev *solo_dev)
45038 {
45039 - struct bin_attribute *sdram_attr = &solo_dev->sdram_attr;
45040 + bin_attribute_no_const *sdram_attr = &solo_dev->sdram_attr;
45041 struct device *dev = &solo_dev->dev;
45042 const char *driver;
45043 int i;
45044 diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c
45045 index c7141f2..5301fec 100644
45046 --- a/drivers/media/pci/solo6x10/solo6x10-g723.c
45047 +++ b/drivers/media/pci/solo6x10/solo6x10-g723.c
45048 @@ -351,7 +351,7 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev)
45049
45050 int solo_g723_init(struct solo_dev *solo_dev)
45051 {
45052 - static struct snd_device_ops ops = { NULL };
45053 + static struct snd_device_ops ops = { };
45054 struct snd_card *card;
45055 struct snd_kcontrol_new kctl;
45056 char name[32];
45057 diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c b/drivers/media/pci/solo6x10/solo6x10-p2m.c
45058 index 8c84846..27b4f83 100644
45059 --- a/drivers/media/pci/solo6x10/solo6x10-p2m.c
45060 +++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c
45061 @@ -73,7 +73,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev,
45062
45063 /* Get next ID. According to Softlogic, 6110 has problems on !=0 P2M */
45064 if (solo_dev->type != SOLO_DEV_6110 && multi_p2m) {
45065 - p2m_id = atomic_inc_return(&solo_dev->p2m_count) % SOLO_NR_P2M;
45066 + p2m_id = atomic_inc_return_unchecked(&solo_dev->p2m_count) % SOLO_NR_P2M;
45067 if (p2m_id < 0)
45068 p2m_id = -p2m_id;
45069 }
45070 diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h
45071 index 72017b7..dd37ae6 100644
45072 --- a/drivers/media/pci/solo6x10/solo6x10.h
45073 +++ b/drivers/media/pci/solo6x10/solo6x10.h
45074 @@ -219,7 +219,7 @@ struct solo_dev {
45075
45076 /* P2M DMA Engine */
45077 struct solo_p2m_dev p2m_dev[SOLO_NR_P2M];
45078 - atomic_t p2m_count;
45079 + atomic_unchecked_t p2m_count;
45080 int p2m_jiffies;
45081 unsigned int p2m_timeouts;
45082
45083 diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c
45084 index 63f0b64..a017c1c 100644
45085 --- a/drivers/media/pci/tw68/tw68-core.c
45086 +++ b/drivers/media/pci/tw68/tw68-core.c
45087 @@ -60,7 +60,7 @@ static unsigned int card[] = {[0 ... (TW68_MAXBOARDS - 1)] = UNSET };
45088 module_param_array(card, int, NULL, 0444);
45089 MODULE_PARM_DESC(card, "card type");
45090
45091 -static atomic_t tw68_instance = ATOMIC_INIT(0);
45092 +static atomic_unchecked_t tw68_instance = ATOMIC_INIT(0);
45093
45094 /* ------------------------------------------------------------------ */
45095
45096 diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
45097 index 64ab6fb..ef4a8b9 100644
45098 --- a/drivers/media/platform/omap/omap_vout.c
45099 +++ b/drivers/media/platform/omap/omap_vout.c
45100 @@ -63,7 +63,6 @@ enum omap_vout_channels {
45101 OMAP_VIDEO2,
45102 };
45103
45104 -static struct videobuf_queue_ops video_vbq_ops;
45105 /* Variables configurable through module params*/
45106 static u32 video1_numbuffers = 3;
45107 static u32 video2_numbuffers = 3;
45108 @@ -1012,6 +1011,12 @@ static int omap_vout_open(struct file *file)
45109 {
45110 struct videobuf_queue *q;
45111 struct omap_vout_device *vout = NULL;
45112 + static struct videobuf_queue_ops video_vbq_ops = {
45113 + .buf_setup = omap_vout_buffer_setup,
45114 + .buf_prepare = omap_vout_buffer_prepare,
45115 + .buf_release = omap_vout_buffer_release,
45116 + .buf_queue = omap_vout_buffer_queue,
45117 + };
45118
45119 vout = video_drvdata(file);
45120 v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);
45121 @@ -1029,10 +1034,6 @@ static int omap_vout_open(struct file *file)
45122 vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
45123
45124 q = &vout->vbq;
45125 - video_vbq_ops.buf_setup = omap_vout_buffer_setup;
45126 - video_vbq_ops.buf_prepare = omap_vout_buffer_prepare;
45127 - video_vbq_ops.buf_release = omap_vout_buffer_release;
45128 - video_vbq_ops.buf_queue = omap_vout_buffer_queue;
45129 spin_lock_init(&vout->vbq_lock);
45130
45131 videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
45132 diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h
45133 index fb2acc5..a2fcbdc4 100644
45134 --- a/drivers/media/platform/s5p-tv/mixer.h
45135 +++ b/drivers/media/platform/s5p-tv/mixer.h
45136 @@ -156,7 +156,7 @@ struct mxr_layer {
45137 /** layer index (unique identifier) */
45138 int idx;
45139 /** callbacks for layer methods */
45140 - struct mxr_layer_ops ops;
45141 + struct mxr_layer_ops *ops;
45142 /** format array */
45143 const struct mxr_format **fmt_array;
45144 /** size of format array */
45145 diff --git a/drivers/media/platform/s5p-tv/mixer_grp_layer.c b/drivers/media/platform/s5p-tv/mixer_grp_layer.c
45146 index 74344c7..a39e70e 100644
45147 --- a/drivers/media/platform/s5p-tv/mixer_grp_layer.c
45148 +++ b/drivers/media/platform/s5p-tv/mixer_grp_layer.c
45149 @@ -235,7 +235,7 @@ struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx)
45150 {
45151 struct mxr_layer *layer;
45152 int ret;
45153 - struct mxr_layer_ops ops = {
45154 + static struct mxr_layer_ops ops = {
45155 .release = mxr_graph_layer_release,
45156 .buffer_set = mxr_graph_buffer_set,
45157 .stream_set = mxr_graph_stream_set,
45158 diff --git a/drivers/media/platform/s5p-tv/mixer_reg.c b/drivers/media/platform/s5p-tv/mixer_reg.c
45159 index b713403..53cb5ad 100644
45160 --- a/drivers/media/platform/s5p-tv/mixer_reg.c
45161 +++ b/drivers/media/platform/s5p-tv/mixer_reg.c
45162 @@ -276,7 +276,7 @@ static void mxr_irq_layer_handle(struct mxr_layer *layer)
45163 layer->update_buf = next;
45164 }
45165
45166 - layer->ops.buffer_set(layer, layer->update_buf);
45167 + layer->ops->buffer_set(layer, layer->update_buf);
45168
45169 if (done && done != layer->shadow_buf)
45170 vb2_buffer_done(&done->vb, VB2_BUF_STATE_DONE);
45171 diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c
45172 index b4d2696..91df48e 100644
45173 --- a/drivers/media/platform/s5p-tv/mixer_video.c
45174 +++ b/drivers/media/platform/s5p-tv/mixer_video.c
45175 @@ -210,7 +210,7 @@ static void mxr_layer_default_geo(struct mxr_layer *layer)
45176 layer->geo.src.height = layer->geo.src.full_height;
45177
45178 mxr_geometry_dump(mdev, &layer->geo);
45179 - layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
45180 + layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
45181 mxr_geometry_dump(mdev, &layer->geo);
45182 }
45183
45184 @@ -228,7 +228,7 @@ static void mxr_layer_update_output(struct mxr_layer *layer)
45185 layer->geo.dst.full_width = mbus_fmt.width;
45186 layer->geo.dst.full_height = mbus_fmt.height;
45187 layer->geo.dst.field = mbus_fmt.field;
45188 - layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
45189 + layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
45190
45191 mxr_geometry_dump(mdev, &layer->geo);
45192 }
45193 @@ -334,7 +334,7 @@ static int mxr_s_fmt(struct file *file, void *priv,
45194 /* set source size to highest accepted value */
45195 geo->src.full_width = max(geo->dst.full_width, pix->width);
45196 geo->src.full_height = max(geo->dst.full_height, pix->height);
45197 - layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
45198 + layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
45199 mxr_geometry_dump(mdev, &layer->geo);
45200 /* set cropping to total visible screen */
45201 geo->src.width = pix->width;
45202 @@ -342,12 +342,12 @@ static int mxr_s_fmt(struct file *file, void *priv,
45203 geo->src.x_offset = 0;
45204 geo->src.y_offset = 0;
45205 /* assure consistency of geometry */
45206 - layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET);
45207 + layer->ops->fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET);
45208 mxr_geometry_dump(mdev, &layer->geo);
45209 /* set full size to lowest possible value */
45210 geo->src.full_width = 0;
45211 geo->src.full_height = 0;
45212 - layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
45213 + layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
45214 mxr_geometry_dump(mdev, &layer->geo);
45215
45216 /* returning results */
45217 @@ -474,7 +474,7 @@ static int mxr_s_selection(struct file *file, void *fh,
45218 target->width = s->r.width;
45219 target->height = s->r.height;
45220
45221 - layer->ops.fix_geometry(layer, stage, s->flags);
45222 + layer->ops->fix_geometry(layer, stage, s->flags);
45223
45224 /* retrieve update selection rectangle */
45225 res.left = target->x_offset;
45226 @@ -954,13 +954,13 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
45227 mxr_output_get(mdev);
45228
45229 mxr_layer_update_output(layer);
45230 - layer->ops.format_set(layer);
45231 + layer->ops->format_set(layer);
45232 /* enabling layer in hardware */
45233 spin_lock_irqsave(&layer->enq_slock, flags);
45234 layer->state = MXR_LAYER_STREAMING;
45235 spin_unlock_irqrestore(&layer->enq_slock, flags);
45236
45237 - layer->ops.stream_set(layer, MXR_ENABLE);
45238 + layer->ops->stream_set(layer, MXR_ENABLE);
45239 mxr_streamer_get(mdev);
45240
45241 return 0;
45242 @@ -1030,7 +1030,7 @@ static void stop_streaming(struct vb2_queue *vq)
45243 spin_unlock_irqrestore(&layer->enq_slock, flags);
45244
45245 /* disabling layer in hardware */
45246 - layer->ops.stream_set(layer, MXR_DISABLE);
45247 + layer->ops->stream_set(layer, MXR_DISABLE);
45248 /* remove one streamer */
45249 mxr_streamer_put(mdev);
45250 /* allow changes in output configuration */
45251 @@ -1068,8 +1068,8 @@ void mxr_base_layer_unregister(struct mxr_layer *layer)
45252
45253 void mxr_layer_release(struct mxr_layer *layer)
45254 {
45255 - if (layer->ops.release)
45256 - layer->ops.release(layer);
45257 + if (layer->ops->release)
45258 + layer->ops->release(layer);
45259 }
45260
45261 void mxr_base_layer_release(struct mxr_layer *layer)
45262 @@ -1095,7 +1095,7 @@ struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev,
45263
45264 layer->mdev = mdev;
45265 layer->idx = idx;
45266 - layer->ops = *ops;
45267 + layer->ops = ops;
45268
45269 spin_lock_init(&layer->enq_slock);
45270 INIT_LIST_HEAD(&layer->enq_list);
45271 diff --git a/drivers/media/platform/s5p-tv/mixer_vp_layer.c b/drivers/media/platform/s5p-tv/mixer_vp_layer.c
45272 index c9388c4..ce71ece 100644
45273 --- a/drivers/media/platform/s5p-tv/mixer_vp_layer.c
45274 +++ b/drivers/media/platform/s5p-tv/mixer_vp_layer.c
45275 @@ -206,7 +206,7 @@ struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx)
45276 {
45277 struct mxr_layer *layer;
45278 int ret;
45279 - struct mxr_layer_ops ops = {
45280 + static struct mxr_layer_ops ops = {
45281 .release = mxr_vp_layer_release,
45282 .buffer_set = mxr_vp_buffer_set,
45283 .stream_set = mxr_vp_stream_set,
45284 diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
45285 index 82affae..42833ec 100644
45286 --- a/drivers/media/radio/radio-cadet.c
45287 +++ b/drivers/media/radio/radio-cadet.c
45288 @@ -333,6 +333,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
45289 unsigned char readbuf[RDS_BUFFER];
45290 int i = 0;
45291
45292 + if (count > RDS_BUFFER)
45293 + return -EFAULT;
45294 mutex_lock(&dev->lock);
45295 if (dev->rdsstat == 0)
45296 cadet_start_rds(dev);
45297 @@ -349,8 +351,9 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo
45298 readbuf[i++] = dev->rdsbuf[dev->rdsout++];
45299 mutex_unlock(&dev->lock);
45300
45301 - if (i && copy_to_user(data, readbuf, i))
45302 - return -EFAULT;
45303 + if (i > sizeof(readbuf) || (i && copy_to_user(data, readbuf, i)))
45304 + i = -EFAULT;
45305 +
45306 return i;
45307 }
45308
45309 diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c
45310 index 5236035..c622c74 100644
45311 --- a/drivers/media/radio/radio-maxiradio.c
45312 +++ b/drivers/media/radio/radio-maxiradio.c
45313 @@ -61,7 +61,7 @@ MODULE_PARM_DESC(radio_nr, "Radio device number");
45314 /* TEA5757 pin mappings */
45315 static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16;
45316
45317 -static atomic_t maxiradio_instance = ATOMIC_INIT(0);
45318 +static atomic_unchecked_t maxiradio_instance = ATOMIC_INIT(0);
45319
45320 #define PCI_VENDOR_ID_GUILLEMOT 0x5046
45321 #define PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO 0x1001
45322 diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c
45323 index 050b3bb..79f62b9 100644
45324 --- a/drivers/media/radio/radio-shark.c
45325 +++ b/drivers/media/radio/radio-shark.c
45326 @@ -79,7 +79,7 @@ struct shark_device {
45327 u32 last_val;
45328 };
45329
45330 -static atomic_t shark_instance = ATOMIC_INIT(0);
45331 +static atomic_unchecked_t shark_instance = ATOMIC_INIT(0);
45332
45333 static void shark_write_val(struct snd_tea575x *tea, u32 val)
45334 {
45335 diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c
45336 index 8654e0d..0608a64 100644
45337 --- a/drivers/media/radio/radio-shark2.c
45338 +++ b/drivers/media/radio/radio-shark2.c
45339 @@ -74,7 +74,7 @@ struct shark_device {
45340 u8 *transfer_buffer;
45341 };
45342
45343 -static atomic_t shark_instance = ATOMIC_INIT(0);
45344 +static atomic_unchecked_t shark_instance = ATOMIC_INIT(0);
45345
45346 static int shark_write_reg(struct radio_tea5777 *tea, u64 reg)
45347 {
45348 diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
45349 index 633022b..7f10754 100644
45350 --- a/drivers/media/radio/radio-si476x.c
45351 +++ b/drivers/media/radio/radio-si476x.c
45352 @@ -1445,7 +1445,7 @@ static int si476x_radio_probe(struct platform_device *pdev)
45353 struct si476x_radio *radio;
45354 struct v4l2_ctrl *ctrl;
45355
45356 - static atomic_t instance = ATOMIC_INIT(0);
45357 + static atomic_unchecked_t instance = ATOMIC_INIT(0);
45358
45359 radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL);
45360 if (!radio)
45361 diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c
45362 index 9fd1527..8927230 100644
45363 --- a/drivers/media/usb/dvb-usb/cinergyT2-core.c
45364 +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c
45365 @@ -50,29 +50,73 @@ static struct dvb_usb_device_properties cinergyt2_properties;
45366
45367 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
45368 {
45369 - char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
45370 - char result[64];
45371 - return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
45372 - sizeof(result), 0);
45373 + char *buf;
45374 + char *result;
45375 + int retval;
45376 +
45377 + buf = kmalloc(2, GFP_KERNEL);
45378 + if (buf == NULL)
45379 + return -ENOMEM;
45380 + result = kmalloc(64, GFP_KERNEL);
45381 + if (result == NULL) {
45382 + kfree(buf);
45383 + return -ENOMEM;
45384 + }
45385 +
45386 + buf[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER;
45387 + buf[1] = enable ? 1 : 0;
45388 +
45389 + retval = dvb_usb_generic_rw(adap->dev, buf, 2, result, 64, 0);
45390 +
45391 + kfree(buf);
45392 + kfree(result);
45393 + return retval;
45394 }
45395
45396 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
45397 {
45398 - char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
45399 - char state[3];
45400 - return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
45401 + char *buf;
45402 + char *state;
45403 + int retval;
45404 +
45405 + buf = kmalloc(2, GFP_KERNEL);
45406 + if (buf == NULL)
45407 + return -ENOMEM;
45408 + state = kmalloc(3, GFP_KERNEL);
45409 + if (state == NULL) {
45410 + kfree(buf);
45411 + return -ENOMEM;
45412 + }
45413 +
45414 + buf[0] = CINERGYT2_EP1_SLEEP_MODE;
45415 + buf[1] = enable ? 1 : 0;
45416 +
45417 + retval = dvb_usb_generic_rw(d, buf, 2, state, 3, 0);
45418 +
45419 + kfree(buf);
45420 + kfree(state);
45421 + return retval;
45422 }
45423
45424 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
45425 {
45426 - char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
45427 - char state[3];
45428 + char *query;
45429 + char *state;
45430 int ret;
45431 + query = kmalloc(1, GFP_KERNEL);
45432 + if (query == NULL)
45433 + return -ENOMEM;
45434 + state = kmalloc(3, GFP_KERNEL);
45435 + if (state == NULL) {
45436 + kfree(query);
45437 + return -ENOMEM;
45438 + }
45439 +
45440 + query[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
45441
45442 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
45443
45444 - ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
45445 - sizeof(state), 0);
45446 + ret = dvb_usb_generic_rw(adap->dev, query, 1, state, 3, 0);
45447 if (ret < 0) {
45448 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
45449 "state info\n");
45450 @@ -80,7 +124,8 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
45451
45452 /* Copy this pointer as we are gonna need it in the release phase */
45453 cinergyt2_usb_device = adap->dev;
45454 -
45455 + kfree(query);
45456 + kfree(state);
45457 return 0;
45458 }
45459
45460 @@ -141,12 +186,23 @@ static int repeatable_keys[] = {
45461 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
45462 {
45463 struct cinergyt2_state *st = d->priv;
45464 - u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
45465 + u8 *key, *cmd;
45466 int i;
45467
45468 + cmd = kmalloc(1, GFP_KERNEL);
45469 + if (cmd == NULL)
45470 + return -EINVAL;
45471 + key = kzalloc(5, GFP_KERNEL);
45472 + if (key == NULL) {
45473 + kfree(cmd);
45474 + return -EINVAL;
45475 + }
45476 +
45477 + cmd[0] = CINERGYT2_EP1_GET_RC_EVENTS;
45478 +
45479 *state = REMOTE_NO_KEY_PRESSED;
45480
45481 - dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
45482 + dvb_usb_generic_rw(d, cmd, 1, key, 5, 0);
45483 if (key[4] == 0xff) {
45484 /* key repeat */
45485 st->rc_counter++;
45486 @@ -157,12 +213,12 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
45487 *event = d->last_event;
45488 deb_rc("repeat key, event %x\n",
45489 *event);
45490 - return 0;
45491 + goto out;
45492 }
45493 }
45494 deb_rc("repeated key (non repeatable)\n");
45495 }
45496 - return 0;
45497 + goto out;
45498 }
45499
45500 /* hack to pass checksum on the custom field */
45501 @@ -174,6 +230,9 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
45502
45503 deb_rc("key: %*ph\n", 5, key);
45504 }
45505 +out:
45506 + kfree(cmd);
45507 + kfree(key);
45508 return 0;
45509 }
45510
45511 diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
45512 index c890fe4..f9b2ae6 100644
45513 --- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c
45514 +++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
45515 @@ -145,103 +145,176 @@ static int cinergyt2_fe_read_status(struct dvb_frontend *fe,
45516 fe_status_t *status)
45517 {
45518 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45519 - struct dvbt_get_status_msg result;
45520 - u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
45521 + struct dvbt_get_status_msg *result;
45522 + u8 *cmd;
45523 int ret;
45524
45525 - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result,
45526 - sizeof(result), 0);
45527 + cmd = kmalloc(1, GFP_KERNEL);
45528 + if (cmd == NULL)
45529 + return -ENOMEM;
45530 + result = kmalloc(sizeof(*result), GFP_KERNEL);
45531 + if (result == NULL) {
45532 + kfree(cmd);
45533 + return -ENOMEM;
45534 + }
45535 +
45536 + cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS;
45537 +
45538 + ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)result,
45539 + sizeof(*result), 0);
45540 if (ret < 0)
45541 - return ret;
45542 + goto out;
45543
45544 *status = 0;
45545
45546 - if (0xffff - le16_to_cpu(result.gain) > 30)
45547 + if (0xffff - le16_to_cpu(result->gain) > 30)
45548 *status |= FE_HAS_SIGNAL;
45549 - if (result.lock_bits & (1 << 6))
45550 + if (result->lock_bits & (1 << 6))
45551 *status |= FE_HAS_LOCK;
45552 - if (result.lock_bits & (1 << 5))
45553 + if (result->lock_bits & (1 << 5))
45554 *status |= FE_HAS_SYNC;
45555 - if (result.lock_bits & (1 << 4))
45556 + if (result->lock_bits & (1 << 4))
45557 *status |= FE_HAS_CARRIER;
45558 - if (result.lock_bits & (1 << 1))
45559 + if (result->lock_bits & (1 << 1))
45560 *status |= FE_HAS_VITERBI;
45561
45562 if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
45563 (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
45564 *status &= ~FE_HAS_LOCK;
45565
45566 - return 0;
45567 +out:
45568 + kfree(cmd);
45569 + kfree(result);
45570 + return ret;
45571 }
45572
45573 static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
45574 {
45575 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45576 - struct dvbt_get_status_msg status;
45577 - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
45578 + struct dvbt_get_status_msg *status;
45579 + char *cmd;
45580 int ret;
45581
45582 - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
45583 - sizeof(status), 0);
45584 + cmd = kmalloc(1, GFP_KERNEL);
45585 + if (cmd == NULL)
45586 + return -ENOMEM;
45587 + status = kmalloc(sizeof(*status), GFP_KERNEL);
45588 + if (status == NULL) {
45589 + kfree(cmd);
45590 + return -ENOMEM;
45591 + }
45592 +
45593 + cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS;
45594 +
45595 + ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status,
45596 + sizeof(*status), 0);
45597 if (ret < 0)
45598 - return ret;
45599 + goto out;
45600
45601 - *ber = le32_to_cpu(status.viterbi_error_rate);
45602 + *ber = le32_to_cpu(status->viterbi_error_rate);
45603 +out:
45604 + kfree(cmd);
45605 + kfree(status);
45606 return 0;
45607 }
45608
45609 static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc)
45610 {
45611 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45612 - struct dvbt_get_status_msg status;
45613 - u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
45614 + struct dvbt_get_status_msg *status;
45615 + u8 *cmd;
45616 int ret;
45617
45618 - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status,
45619 - sizeof(status), 0);
45620 + cmd = kmalloc(1, GFP_KERNEL);
45621 + if (cmd == NULL)
45622 + return -ENOMEM;
45623 + status = kmalloc(sizeof(*status), GFP_KERNEL);
45624 + if (status == NULL) {
45625 + kfree(cmd);
45626 + return -ENOMEM;
45627 + }
45628 +
45629 + cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS;
45630 +
45631 + ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)status,
45632 + sizeof(*status), 0);
45633 if (ret < 0) {
45634 err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n",
45635 ret);
45636 - return ret;
45637 + goto out;
45638 }
45639 - *unc = le32_to_cpu(status.uncorrected_block_count);
45640 - return 0;
45641 + *unc = le32_to_cpu(status->uncorrected_block_count);
45642 +
45643 +out:
45644 + kfree(cmd);
45645 + kfree(status);
45646 + return ret;
45647 }
45648
45649 static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe,
45650 u16 *strength)
45651 {
45652 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45653 - struct dvbt_get_status_msg status;
45654 - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
45655 + struct dvbt_get_status_msg *status;
45656 + char *cmd;
45657 int ret;
45658
45659 - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
45660 - sizeof(status), 0);
45661 + cmd = kmalloc(1, GFP_KERNEL);
45662 + if (cmd == NULL)
45663 + return -ENOMEM;
45664 + status = kmalloc(sizeof(*status), GFP_KERNEL);
45665 + if (status == NULL) {
45666 + kfree(cmd);
45667 + return -ENOMEM;
45668 + }
45669 +
45670 + cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS;
45671 +
45672 + ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status,
45673 + sizeof(*status), 0);
45674 if (ret < 0) {
45675 err("cinergyt2_fe_read_signal_strength() Failed!"
45676 " (Error=%d)\n", ret);
45677 - return ret;
45678 + goto out;
45679 }
45680 - *strength = (0xffff - le16_to_cpu(status.gain));
45681 + *strength = (0xffff - le16_to_cpu(status->gain));
45682 +
45683 +out:
45684 + kfree(cmd);
45685 + kfree(status);
45686 return 0;
45687 }
45688
45689 static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
45690 {
45691 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45692 - struct dvbt_get_status_msg status;
45693 - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
45694 + struct dvbt_get_status_msg *status;
45695 + char *cmd;
45696 int ret;
45697
45698 - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
45699 - sizeof(status), 0);
45700 + cmd = kmalloc(1, GFP_KERNEL);
45701 + if (cmd == NULL)
45702 + return -ENOMEM;
45703 + status = kmalloc(sizeof(*status), GFP_KERNEL);
45704 + if (status == NULL) {
45705 + kfree(cmd);
45706 + return -ENOMEM;
45707 + }
45708 +
45709 + cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS;
45710 +
45711 + ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status,
45712 + sizeof(*status), 0);
45713 if (ret < 0) {
45714 err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret);
45715 - return ret;
45716 + goto out;
45717 }
45718 - *snr = (status.snr << 8) | status.snr;
45719 - return 0;
45720 + *snr = (status->snr << 8) | status->snr;
45721 +
45722 +out:
45723 + kfree(cmd);
45724 + kfree(status);
45725 + return ret;
45726 }
45727
45728 static int cinergyt2_fe_init(struct dvb_frontend *fe)
45729 @@ -266,35 +339,46 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe)
45730 {
45731 struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
45732 struct cinergyt2_fe_state *state = fe->demodulator_priv;
45733 - struct dvbt_set_parameters_msg param;
45734 - char result[2];
45735 + struct dvbt_set_parameters_msg *param;
45736 + char *result;
45737 int err;
45738
45739 - param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
45740 - param.tps = cpu_to_le16(compute_tps(fep));
45741 - param.freq = cpu_to_le32(fep->frequency / 1000);
45742 - param.flags = 0;
45743 + result = kmalloc(2, GFP_KERNEL);
45744 + if (result == NULL)
45745 + return -ENOMEM;
45746 + param = kmalloc(sizeof(*param), GFP_KERNEL);
45747 + if (param == NULL) {
45748 + kfree(result);
45749 + return -ENOMEM;
45750 + }
45751 +
45752 + param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
45753 + param->tps = cpu_to_le16(compute_tps(fep));
45754 + param->freq = cpu_to_le32(fep->frequency / 1000);
45755 + param->flags = 0;
45756
45757 switch (fep->bandwidth_hz) {
45758 default:
45759 case 8000000:
45760 - param.bandwidth = 8;
45761 + param->bandwidth = 8;
45762 break;
45763 case 7000000:
45764 - param.bandwidth = 7;
45765 + param->bandwidth = 7;
45766 break;
45767 case 6000000:
45768 - param.bandwidth = 6;
45769 + param->bandwidth = 6;
45770 break;
45771 }
45772
45773 err = dvb_usb_generic_rw(state->d,
45774 - (char *)&param, sizeof(param),
45775 - result, sizeof(result), 0);
45776 + (char *)param, sizeof(*param),
45777 + result, 2, 0);
45778 if (err < 0)
45779 err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err);
45780
45781 - return (err < 0) ? err : 0;
45782 + kfree(result);
45783 + kfree(param);
45784 + return err;
45785 }
45786
45787 static void cinergyt2_fe_release(struct dvb_frontend *fe)
45788 diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
45789 index 733a7ff..f8b52e3 100644
45790 --- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
45791 +++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c
45792 @@ -35,42 +35,57 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le
45793
45794 int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type)
45795 {
45796 - struct hexline hx;
45797 - u8 reset;
45798 + struct hexline *hx;
45799 + u8 *reset;
45800 int ret,pos=0;
45801
45802 + reset = kmalloc(1, GFP_KERNEL);
45803 + if (reset == NULL)
45804 + return -ENOMEM;
45805 +
45806 + hx = kmalloc(sizeof(struct hexline), GFP_KERNEL);
45807 + if (hx == NULL) {
45808 + kfree(reset);
45809 + return -ENOMEM;
45810 + }
45811 +
45812 /* stop the CPU */
45813 - reset = 1;
45814 - if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1)
45815 + reset[0] = 1;
45816 + if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1)) != 1)
45817 err("could not stop the USB controller CPU.");
45818
45819 - while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) {
45820 - deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk);
45821 - ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len);
45822 + while ((ret = dvb_usb_get_hexline(fw,hx,&pos)) > 0) {
45823 + deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx->addr,hx->len,hx->chk);
45824 + ret = usb_cypress_writemem(udev,hx->addr,hx->data,hx->len);
45825
45826 - if (ret != hx.len) {
45827 + if (ret != hx->len) {
45828 err("error while transferring firmware "
45829 "(transferred size: %d, block size: %d)",
45830 - ret,hx.len);
45831 + ret,hx->len);
45832 ret = -EINVAL;
45833 break;
45834 }
45835 }
45836 if (ret < 0) {
45837 err("firmware download failed at %d with %d",pos,ret);
45838 + kfree(reset);
45839 + kfree(hx);
45840 return ret;
45841 }
45842
45843 if (ret == 0) {
45844 /* restart the CPU */
45845 - reset = 0;
45846 - if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) {
45847 + reset[0] = 0;
45848 + if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1) != 1) {
45849 err("could not restart the USB controller CPU.");
45850 ret = -EINVAL;
45851 }
45852 } else
45853 ret = -EIO;
45854
45855 + kfree(reset);
45856 + kfree(hx);
45857 +
45858 return ret;
45859 }
45860 EXPORT_SYMBOL(usb_cypress_load_firmware);
45861 diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
45862 index 1a3df10..57997a5 100644
45863 --- a/drivers/media/usb/dvb-usb/dw2102.c
45864 +++ b/drivers/media/usb/dvb-usb/dw2102.c
45865 @@ -118,7 +118,7 @@ struct su3000_state {
45866
45867 struct s6x0_state {
45868 int (*old_set_voltage)(struct dvb_frontend *f, fe_sec_voltage_t v);
45869 -};
45870 +} __no_const;
45871
45872 /* debug */
45873 static int dvb_usb_dw2102_debug;
45874 diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
45875 index 6b0b8b6b..4038398 100644
45876 --- a/drivers/media/usb/dvb-usb/technisat-usb2.c
45877 +++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
45878 @@ -87,8 +87,11 @@ struct technisat_usb2_state {
45879 static int technisat_usb2_i2c_access(struct usb_device *udev,
45880 u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen)
45881 {
45882 - u8 b[64];
45883 - int ret, actual_length;
45884 + u8 *b = kmalloc(64, GFP_KERNEL);
45885 + int ret, actual_length, error = 0;
45886 +
45887 + if (b == NULL)
45888 + return -ENOMEM;
45889
45890 deb_i2c("i2c-access: %02x, tx: ", device_addr);
45891 debug_dump(tx, txlen, deb_i2c);
45892 @@ -121,7 +124,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev,
45893
45894 if (ret < 0) {
45895 err("i2c-error: out failed %02x = %d", device_addr, ret);
45896 - return -ENODEV;
45897 + error = -ENODEV;
45898 + goto out;
45899 }
45900
45901 ret = usb_bulk_msg(udev,
45902 @@ -129,7 +133,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev,
45903 b, 64, &actual_length, 1000);
45904 if (ret < 0) {
45905 err("i2c-error: in failed %02x = %d", device_addr, ret);
45906 - return -ENODEV;
45907 + error = -ENODEV;
45908 + goto out;
45909 }
45910
45911 if (b[0] != I2C_STATUS_OK) {
45912 @@ -137,8 +142,10 @@ static int technisat_usb2_i2c_access(struct usb_device *udev,
45913 /* handle tuner-i2c-nak */
45914 if (!(b[0] == I2C_STATUS_NAK &&
45915 device_addr == 0x60
45916 - /* && device_is_technisat_usb2 */))
45917 - return -ENODEV;
45918 + /* && device_is_technisat_usb2 */)) {
45919 + error = -ENODEV;
45920 + goto out;
45921 + }
45922 }
45923
45924 deb_i2c("status: %d, ", b[0]);
45925 @@ -152,7 +159,9 @@ static int technisat_usb2_i2c_access(struct usb_device *udev,
45926
45927 deb_i2c("\n");
45928
45929 - return 0;
45930 +out:
45931 + kfree(b);
45932 + return error;
45933 }
45934
45935 static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg,
45936 @@ -224,14 +233,16 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni
45937 {
45938 int ret;
45939
45940 - u8 led[8] = {
45941 - red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST,
45942 - 0
45943 - };
45944 + u8 *led = kzalloc(8, GFP_KERNEL);
45945 +
45946 + if (led == NULL)
45947 + return -ENOMEM;
45948
45949 if (disable_led_control && state != TECH_LED_OFF)
45950 return 0;
45951
45952 + led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST;
45953 +
45954 switch (state) {
45955 case TECH_LED_ON:
45956 led[1] = 0x82;
45957 @@ -263,16 +274,22 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni
45958 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST,
45959 USB_TYPE_VENDOR | USB_DIR_OUT,
45960 0, 0,
45961 - led, sizeof(led), 500);
45962 + led, 8, 500);
45963
45964 mutex_unlock(&d->i2c_mutex);
45965 +
45966 + kfree(led);
45967 +
45968 return ret;
45969 }
45970
45971 static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green)
45972 {
45973 int ret;
45974 - u8 b = 0;
45975 + u8 *b = kzalloc(1, GFP_KERNEL);
45976 +
45977 + if (b == NULL)
45978 + return -ENOMEM;
45979
45980 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
45981 return -EAGAIN;
45982 @@ -281,10 +298,12 @@ static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 gre
45983 SET_LED_TIMER_DIVIDER_VENDOR_REQUEST,
45984 USB_TYPE_VENDOR | USB_DIR_OUT,
45985 (red << 8) | green, 0,
45986 - &b, 1, 500);
45987 + b, 1, 500);
45988
45989 mutex_unlock(&d->i2c_mutex);
45990
45991 + kfree(b);
45992 +
45993 return ret;
45994 }
45995
45996 @@ -328,7 +347,7 @@ static int technisat_usb2_identify_state(struct usb_device *udev,
45997 struct dvb_usb_device_description **desc, int *cold)
45998 {
45999 int ret;
46000 - u8 version[3];
46001 + u8 *version = kmalloc(3, GFP_KERNEL);
46002
46003 /* first select the interface */
46004 if (usb_set_interface(udev, 0, 1) != 0)
46005 @@ -338,11 +357,14 @@ static int technisat_usb2_identify_state(struct usb_device *udev,
46006
46007 *cold = 0; /* by default do not download a firmware - just in case something is wrong */
46008
46009 + if (version == NULL)
46010 + return 0;
46011 +
46012 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
46013 GET_VERSION_INFO_VENDOR_REQUEST,
46014 USB_TYPE_VENDOR | USB_DIR_IN,
46015 0, 0,
46016 - version, sizeof(version), 500);
46017 + version, 3, 500);
46018
46019 if (ret < 0)
46020 *cold = 1;
46021 @@ -351,6 +373,8 @@ static int technisat_usb2_identify_state(struct usb_device *udev,
46022 *cold = 0;
46023 }
46024
46025 + kfree(version);
46026 +
46027 return 0;
46028 }
46029
46030 @@ -591,10 +615,15 @@ static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a)
46031
46032 static int technisat_usb2_get_ir(struct dvb_usb_device *d)
46033 {
46034 - u8 buf[62], *b;
46035 + u8 *buf, *b;
46036 int ret;
46037 struct ir_raw_event ev;
46038
46039 + buf = kmalloc(62, GFP_KERNEL);
46040 +
46041 + if (buf == NULL)
46042 + return -ENOMEM;
46043 +
46044 buf[0] = GET_IR_DATA_VENDOR_REQUEST;
46045 buf[1] = 0x08;
46046 buf[2] = 0x8f;
46047 @@ -617,16 +646,20 @@ static int technisat_usb2_get_ir(struct dvb_usb_device *d)
46048 GET_IR_DATA_VENDOR_REQUEST,
46049 USB_TYPE_VENDOR | USB_DIR_IN,
46050 0x8080, 0,
46051 - buf, sizeof(buf), 500);
46052 + buf, 62, 500);
46053
46054 unlock:
46055 mutex_unlock(&d->i2c_mutex);
46056
46057 - if (ret < 0)
46058 + if (ret < 0) {
46059 + kfree(buf);
46060 return ret;
46061 + }
46062
46063 - if (ret == 1)
46064 + if (ret == 1) {
46065 + kfree(buf);
46066 return 0; /* no key pressed */
46067 + }
46068
46069 /* decoding */
46070 b = buf+1;
46071 @@ -653,6 +686,8 @@ unlock:
46072
46073 ir_raw_event_handle(d->rc_dev);
46074
46075 + kfree(buf);
46076 +
46077 return 1;
46078 }
46079
46080 diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
46081 index e502a5f..2a27f40 100644
46082 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
46083 +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
46084 @@ -427,7 +427,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
46085 * by passing a very big num_planes value */
46086 uplane = compat_alloc_user_space(num_planes *
46087 sizeof(struct v4l2_plane));
46088 - kp->m.planes = (__force struct v4l2_plane *)uplane;
46089 + kp->m.planes = (__force_kernel struct v4l2_plane *)uplane;
46090
46091 while (--num_planes >= 0) {
46092 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
46093 @@ -498,7 +498,7 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
46094 if (num_planes == 0)
46095 return 0;
46096
46097 - uplane = (__force struct v4l2_plane __user *)kp->m.planes;
46098 + uplane = (struct v4l2_plane __force_user *)kp->m.planes;
46099 if (get_user(p, &up->m.planes))
46100 return -EFAULT;
46101 uplane32 = compat_ptr(p);
46102 @@ -562,7 +562,7 @@ static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_frame
46103 get_user(kp->flags, &up->flags) ||
46104 copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
46105 return -EFAULT;
46106 - kp->base = (__force void *)compat_ptr(tmp);
46107 + kp->base = (__force_kernel void *)compat_ptr(tmp);
46108 return 0;
46109 }
46110
46111 @@ -667,7 +667,7 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext
46112 n * sizeof(struct v4l2_ext_control32)))
46113 return -EFAULT;
46114 kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control));
46115 - kp->controls = (__force struct v4l2_ext_control *)kcontrols;
46116 + kp->controls = (__force_kernel struct v4l2_ext_control *)kcontrols;
46117 while (--n >= 0) {
46118 u32 id;
46119
46120 @@ -694,7 +694,7 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext
46121 {
46122 struct v4l2_ext_control32 __user *ucontrols;
46123 struct v4l2_ext_control __user *kcontrols =
46124 - (__force struct v4l2_ext_control __user *)kp->controls;
46125 + (struct v4l2_ext_control __force_user *)kp->controls;
46126 int n = kp->count;
46127 compat_caddr_t p;
46128
46129 @@ -778,7 +778,7 @@ static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up)
46130 get_user(tmp, &up->edid) ||
46131 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
46132 return -EFAULT;
46133 - kp->edid = (__force u8 *)compat_ptr(tmp);
46134 + kp->edid = (__force_kernel u8 *)compat_ptr(tmp);
46135 return 0;
46136 }
46137
46138 diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c
46139 index 015f92a..59e311e 100644
46140 --- a/drivers/media/v4l2-core/v4l2-device.c
46141 +++ b/drivers/media/v4l2-core/v4l2-device.c
46142 @@ -75,9 +75,9 @@ int v4l2_device_put(struct v4l2_device *v4l2_dev)
46143 EXPORT_SYMBOL_GPL(v4l2_device_put);
46144
46145 int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename,
46146 - atomic_t *instance)
46147 + atomic_unchecked_t *instance)
46148 {
46149 - int num = atomic_inc_return(instance) - 1;
46150 + int num = atomic_inc_return_unchecked(instance) - 1;
46151 int len = strlen(basename);
46152
46153 if (basename[len - 1] >= '0' && basename[len - 1] <= '9')
46154 diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
46155 index 9ccb19a..d131468 100644
46156 --- a/drivers/media/v4l2-core/v4l2-ioctl.c
46157 +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
46158 @@ -2142,7 +2142,8 @@ struct v4l2_ioctl_info {
46159 struct file *file, void *fh, void *p);
46160 } u;
46161 void (*debug)(const void *arg, bool write_only);
46162 -};
46163 +} __do_const;
46164 +typedef struct v4l2_ioctl_info __no_const v4l2_ioctl_info_no_const;
46165
46166 /* This control needs a priority check */
46167 #define INFO_FL_PRIO (1 << 0)
46168 @@ -2326,7 +2327,7 @@ static long __video_do_ioctl(struct file *file,
46169 struct video_device *vfd = video_devdata(file);
46170 const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
46171 bool write_only = false;
46172 - struct v4l2_ioctl_info default_info;
46173 + v4l2_ioctl_info_no_const default_info;
46174 const struct v4l2_ioctl_info *info;
46175 void *fh = file->private_data;
46176 struct v4l2_fh *vfh = NULL;
46177 @@ -2413,7 +2414,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
46178 ret = -EINVAL;
46179 break;
46180 }
46181 - *user_ptr = (void __user *)buf->m.planes;
46182 + *user_ptr = (void __force_user *)buf->m.planes;
46183 *kernel_ptr = (void **)&buf->m.planes;
46184 *array_size = sizeof(struct v4l2_plane) * buf->length;
46185 ret = 1;
46186 @@ -2430,7 +2431,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
46187 ret = -EINVAL;
46188 break;
46189 }
46190 - *user_ptr = (void __user *)edid->edid;
46191 + *user_ptr = (void __force_user *)edid->edid;
46192 *kernel_ptr = (void **)&edid->edid;
46193 *array_size = edid->blocks * 128;
46194 ret = 1;
46195 @@ -2448,7 +2449,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
46196 ret = -EINVAL;
46197 break;
46198 }
46199 - *user_ptr = (void __user *)ctrls->controls;
46200 + *user_ptr = (void __force_user *)ctrls->controls;
46201 *kernel_ptr = (void **)&ctrls->controls;
46202 *array_size = sizeof(struct v4l2_ext_control)
46203 * ctrls->count;
46204 @@ -2549,7 +2550,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
46205 }
46206
46207 if (has_array_args) {
46208 - *kernel_ptr = (void __force *)user_ptr;
46209 + *kernel_ptr = (void __force_kernel *)user_ptr;
46210 if (copy_to_user(user_ptr, mbuf, array_size))
46211 err = -EFAULT;
46212 goto out_array_args;
46213 diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
46214 index 187f836..679544b 100644
46215 --- a/drivers/message/fusion/mptbase.c
46216 +++ b/drivers/message/fusion/mptbase.c
46217 @@ -6746,8 +6746,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
46218 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
46219 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
46220
46221 +#ifdef CONFIG_GRKERNSEC_HIDESYM
46222 + seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL);
46223 +#else
46224 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
46225 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
46226 +#endif
46227 +
46228 /*
46229 * Rounding UP to nearest 4-kB boundary here...
46230 */
46231 @@ -6760,7 +6765,11 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
46232 ioc->facts.GlobalCredits);
46233
46234 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n",
46235 +#ifdef CONFIG_GRKERNSEC_HIDESYM
46236 + NULL, NULL);
46237 +#else
46238 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
46239 +#endif
46240 sz = (ioc->reply_sz * ioc->reply_depth) + 128;
46241 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
46242 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
46243 diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
46244 index 0707fa2..70ca794 100644
46245 --- a/drivers/message/fusion/mptsas.c
46246 +++ b/drivers/message/fusion/mptsas.c
46247 @@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached)
46248 return 0;
46249 }
46250
46251 +static inline void
46252 +mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
46253 +{
46254 + if (phy_info->port_details) {
46255 + phy_info->port_details->rphy = rphy;
46256 + dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
46257 + ioc->name, rphy));
46258 + }
46259 +
46260 + if (rphy) {
46261 + dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
46262 + &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
46263 + dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
46264 + ioc->name, rphy, rphy->dev.release));
46265 + }
46266 +}
46267 +
46268 /* no mutex */
46269 static void
46270 mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
46271 @@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
46272 return NULL;
46273 }
46274
46275 -static inline void
46276 -mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
46277 -{
46278 - if (phy_info->port_details) {
46279 - phy_info->port_details->rphy = rphy;
46280 - dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
46281 - ioc->name, rphy));
46282 - }
46283 -
46284 - if (rphy) {
46285 - dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
46286 - &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
46287 - dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
46288 - ioc->name, rphy, rphy->dev.release));
46289 - }
46290 -}
46291 -
46292 static inline struct sas_port *
46293 mptsas_get_port(struct mptsas_phyinfo *phy_info)
46294 {
46295 diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c
46296 index b7d87cd..3fb36da 100644
46297 --- a/drivers/message/i2o/i2o_proc.c
46298 +++ b/drivers/message/i2o/i2o_proc.c
46299 @@ -255,12 +255,6 @@ static char *scsi_devices[] = {
46300 "Array Controller Device"
46301 };
46302
46303 -static char *chtostr(char *tmp, u8 *chars, int n)
46304 -{
46305 - tmp[0] = 0;
46306 - return strncat(tmp, (char *)chars, n);
46307 -}
46308 -
46309 static int i2o_report_query_status(struct seq_file *seq, int block_status,
46310 char *group)
46311 {
46312 @@ -707,9 +701,9 @@ static int i2o_seq_show_status(struct seq_file *seq, void *v)
46313 static int i2o_seq_show_hw(struct seq_file *seq, void *v)
46314 {
46315 struct i2o_controller *c = (struct i2o_controller *)seq->private;
46316 - static u32 work32[5];
46317 - static u8 *work8 = (u8 *) work32;
46318 - static u16 *work16 = (u16 *) work32;
46319 + u32 work32[5];
46320 + u8 *work8 = (u8 *) work32;
46321 + u16 *work16 = (u16 *) work32;
46322 int token;
46323 u32 hwcap;
46324
46325 @@ -790,7 +784,6 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
46326 } *result;
46327
46328 i2o_exec_execute_ddm_table ddm_table;
46329 - char tmp[28 + 1];
46330
46331 result = kmalloc(sizeof(*result), GFP_KERNEL);
46332 if (!result)
46333 @@ -825,8 +818,7 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
46334
46335 seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id);
46336 seq_printf(seq, "%-#8x", ddm_table.module_id);
46337 - seq_printf(seq, "%-29s",
46338 - chtostr(tmp, ddm_table.module_name_version, 28));
46339 + seq_printf(seq, "%-.28s", ddm_table.module_name_version);
46340 seq_printf(seq, "%9d ", ddm_table.data_size);
46341 seq_printf(seq, "%8d", ddm_table.code_size);
46342
46343 @@ -893,7 +885,6 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
46344
46345 i2o_driver_result_table *result;
46346 i2o_driver_store_table *dst;
46347 - char tmp[28 + 1];
46348
46349 result = kmalloc(sizeof(i2o_driver_result_table), GFP_KERNEL);
46350 if (result == NULL)
46351 @@ -928,9 +919,8 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
46352
46353 seq_printf(seq, "%-#7x", dst->i2o_vendor_id);
46354 seq_printf(seq, "%-#8x", dst->module_id);
46355 - seq_printf(seq, "%-29s",
46356 - chtostr(tmp, dst->module_name_version, 28));
46357 - seq_printf(seq, "%-9s", chtostr(tmp, dst->date, 8));
46358 + seq_printf(seq, "%-.28s", dst->module_name_version);
46359 + seq_printf(seq, "%-.8s", dst->date);
46360 seq_printf(seq, "%8d ", dst->module_size);
46361 seq_printf(seq, "%8d ", dst->mpb_size);
46362 seq_printf(seq, "0x%04x", dst->module_flags);
46363 @@ -1246,11 +1236,10 @@ static int i2o_seq_show_authorized_users(struct seq_file *seq, void *v)
46364 static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
46365 {
46366 struct i2o_device *d = (struct i2o_device *)seq->private;
46367 - static u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number
46368 + u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number
46369 // == (allow) 512d bytes (max)
46370 - static u16 *work16 = (u16 *) work32;
46371 + u16 *work16 = (u16 *) work32;
46372 int token;
46373 - char tmp[16 + 1];
46374
46375 token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32));
46376
46377 @@ -1262,14 +1251,10 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
46378 seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0]));
46379 seq_printf(seq, "Owner TID : %0#5x\n", work16[2]);
46380 seq_printf(seq, "Parent TID : %0#5x\n", work16[3]);
46381 - seq_printf(seq, "Vendor info : %s\n",
46382 - chtostr(tmp, (u8 *) (work32 + 2), 16));
46383 - seq_printf(seq, "Product info : %s\n",
46384 - chtostr(tmp, (u8 *) (work32 + 6), 16));
46385 - seq_printf(seq, "Description : %s\n",
46386 - chtostr(tmp, (u8 *) (work32 + 10), 16));
46387 - seq_printf(seq, "Product rev. : %s\n",
46388 - chtostr(tmp, (u8 *) (work32 + 14), 8));
46389 + seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2));
46390 + seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6));
46391 + seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10));
46392 + seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14));
46393
46394 seq_printf(seq, "Serial number : ");
46395 print_serial_number(seq, (u8 *) (work32 + 16),
46396 @@ -1306,8 +1291,6 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
46397 u8 pad[256]; // allow up to 256 byte (max) serial number
46398 } result;
46399
46400 - char tmp[24 + 1];
46401 -
46402 token = i2o_parm_field_get(d, 0xF101, -1, &result, sizeof(result));
46403
46404 if (token < 0) {
46405 @@ -1316,10 +1299,8 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
46406 }
46407
46408 seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid);
46409 - seq_printf(seq, "Module name : %s\n",
46410 - chtostr(tmp, result.module_name, 24));
46411 - seq_printf(seq, "Module revision : %s\n",
46412 - chtostr(tmp, result.module_rev, 8));
46413 + seq_printf(seq, "Module name : %.24s\n", result.module_name);
46414 + seq_printf(seq, "Module revision : %.8s\n", result.module_rev);
46415
46416 seq_printf(seq, "Serial number : ");
46417 print_serial_number(seq, result.serial_number, sizeof(result) - 36);
46418 @@ -1343,8 +1324,6 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
46419 u8 instance_number[4];
46420 } result;
46421
46422 - char tmp[64 + 1];
46423 -
46424 token = i2o_parm_field_get(d, 0xF102, -1, &result, sizeof(result));
46425
46426 if (token < 0) {
46427 @@ -1352,14 +1331,10 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
46428 return 0;
46429 }
46430
46431 - seq_printf(seq, "Device name : %s\n",
46432 - chtostr(tmp, result.device_name, 64));
46433 - seq_printf(seq, "Service name : %s\n",
46434 - chtostr(tmp, result.service_name, 64));
46435 - seq_printf(seq, "Physical name : %s\n",
46436 - chtostr(tmp, result.physical_location, 64));
46437 - seq_printf(seq, "Instance number : %s\n",
46438 - chtostr(tmp, result.instance_number, 4));
46439 + seq_printf(seq, "Device name : %.64s\n", result.device_name);
46440 + seq_printf(seq, "Service name : %.64s\n", result.service_name);
46441 + seq_printf(seq, "Physical name : %.64s\n", result.physical_location);
46442 + seq_printf(seq, "Instance number : %.4s\n", result.instance_number);
46443
46444 return 0;
46445 }
46446 @@ -1368,9 +1343,9 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
46447 static int i2o_seq_show_sgl_limits(struct seq_file *seq, void *v)
46448 {
46449 struct i2o_device *d = (struct i2o_device *)seq->private;
46450 - static u32 work32[12];
46451 - static u16 *work16 = (u16 *) work32;
46452 - static u8 *work8 = (u8 *) work32;
46453 + u32 work32[12];
46454 + u16 *work16 = (u16 *) work32;
46455 + u8 *work8 = (u8 *) work32;
46456 int token;
46457
46458 token = i2o_parm_field_get(d, 0xF103, -1, &work32, sizeof(work32));
46459 diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
46460 index 92752fb..a7494f6 100644
46461 --- a/drivers/message/i2o/iop.c
46462 +++ b/drivers/message/i2o/iop.c
46463 @@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_controller * c, void *ptr)
46464
46465 spin_lock_irqsave(&c->context_list_lock, flags);
46466
46467 - if (unlikely(atomic_inc_and_test(&c->context_list_counter)))
46468 - atomic_inc(&c->context_list_counter);
46469 + if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter)))
46470 + atomic_inc_unchecked(&c->context_list_counter);
46471
46472 - entry->context = atomic_read(&c->context_list_counter);
46473 + entry->context = atomic_read_unchecked(&c->context_list_counter);
46474
46475 list_add(&entry->list, &c->context_list);
46476
46477 @@ -1076,7 +1076,7 @@ struct i2o_controller *i2o_iop_alloc(void)
46478
46479 #if BITS_PER_LONG == 64
46480 spin_lock_init(&c->context_list_lock);
46481 - atomic_set(&c->context_list_counter, 0);
46482 + atomic_set_unchecked(&c->context_list_counter, 0);
46483 INIT_LIST_HEAD(&c->context_list);
46484 #endif
46485
46486 diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
46487 index b2c7e3b..85aa4764 100644
46488 --- a/drivers/mfd/ab8500-debugfs.c
46489 +++ b/drivers/mfd/ab8500-debugfs.c
46490 @@ -100,7 +100,7 @@ static int irq_last;
46491 static u32 *irq_count;
46492 static int num_irqs;
46493
46494 -static struct device_attribute **dev_attr;
46495 +static device_attribute_no_const **dev_attr;
46496 static char **event_name;
46497
46498 static u8 avg_sample = SAMPLE_16;
46499 diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
46500 index c880c89..45a7c68 100644
46501 --- a/drivers/mfd/max8925-i2c.c
46502 +++ b/drivers/mfd/max8925-i2c.c
46503 @@ -152,7 +152,7 @@ static int max8925_probe(struct i2c_client *client,
46504 const struct i2c_device_id *id)
46505 {
46506 struct max8925_platform_data *pdata = dev_get_platdata(&client->dev);
46507 - static struct max8925_chip *chip;
46508 + struct max8925_chip *chip;
46509 struct device_node *node = client->dev.of_node;
46510
46511 if (node && !pdata) {
46512 diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
46513 index 7612d89..70549c2 100644
46514 --- a/drivers/mfd/tps65910.c
46515 +++ b/drivers/mfd/tps65910.c
46516 @@ -230,7 +230,7 @@ static int tps65910_irq_init(struct tps65910 *tps65910, int irq,
46517 struct tps65910_platform_data *pdata)
46518 {
46519 int ret = 0;
46520 - static struct regmap_irq_chip *tps6591x_irqs_chip;
46521 + struct regmap_irq_chip *tps6591x_irqs_chip;
46522
46523 if (!irq) {
46524 dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n");
46525 diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
46526 index 1b772ef..01e77d33 100644
46527 --- a/drivers/mfd/twl4030-irq.c
46528 +++ b/drivers/mfd/twl4030-irq.c
46529 @@ -34,6 +34,7 @@
46530 #include <linux/of.h>
46531 #include <linux/irqdomain.h>
46532 #include <linux/i2c/twl.h>
46533 +#include <asm/pgtable.h>
46534
46535 #include "twl-core.h"
46536
46537 @@ -729,10 +730,12 @@ int twl4030_init_irq(struct device *dev, int irq_num)
46538 * Install an irq handler for each of the SIH modules;
46539 * clone dummy irq_chip since PIH can't *do* anything
46540 */
46541 - twl4030_irq_chip = dummy_irq_chip;
46542 - twl4030_irq_chip.name = "twl4030";
46543 + pax_open_kernel();
46544 + memcpy((void *)&twl4030_irq_chip, &dummy_irq_chip, sizeof twl4030_irq_chip);
46545 + *(const char **)&twl4030_irq_chip.name = "twl4030";
46546
46547 - twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack;
46548 + *(void **)&twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack;
46549 + pax_close_kernel();
46550
46551 for (i = irq_base; i < irq_end; i++) {
46552 irq_set_chip_and_handler(i, &twl4030_irq_chip,
46553 diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
46554 index 464419b..64bae8d 100644
46555 --- a/drivers/misc/c2port/core.c
46556 +++ b/drivers/misc/c2port/core.c
46557 @@ -922,7 +922,9 @@ struct c2port_device *c2port_device_register(char *name,
46558 goto error_idr_alloc;
46559 c2dev->id = ret;
46560
46561 - bin_attr_flash_data.size = ops->blocks_num * ops->block_size;
46562 + pax_open_kernel();
46563 + *(size_t *)&bin_attr_flash_data.size = ops->blocks_num * ops->block_size;
46564 + pax_close_kernel();
46565
46566 c2dev->dev = device_create(c2port_class, NULL, 0, c2dev,
46567 "c2port%d", c2dev->id);
46568 diff --git a/drivers/misc/eeprom/sunxi_sid.c b/drivers/misc/eeprom/sunxi_sid.c
46569 index 3f2b625..945e179 100644
46570 --- a/drivers/misc/eeprom/sunxi_sid.c
46571 +++ b/drivers/misc/eeprom/sunxi_sid.c
46572 @@ -126,7 +126,9 @@ static int sunxi_sid_probe(struct platform_device *pdev)
46573
46574 platform_set_drvdata(pdev, sid_data);
46575
46576 - sid_bin_attr.size = sid_data->keysize;
46577 + pax_open_kernel();
46578 + *(size_t *)&sid_bin_attr.size = sid_data->keysize;
46579 + pax_close_kernel();
46580 if (device_create_bin_file(&pdev->dev, &sid_bin_attr))
46581 return -ENODEV;
46582
46583 diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
46584 index 36f5d52..32311c3 100644
46585 --- a/drivers/misc/kgdbts.c
46586 +++ b/drivers/misc/kgdbts.c
46587 @@ -834,7 +834,7 @@ static void run_plant_and_detach_test(int is_early)
46588 char before[BREAK_INSTR_SIZE];
46589 char after[BREAK_INSTR_SIZE];
46590
46591 - probe_kernel_read(before, (char *)kgdbts_break_test,
46592 + probe_kernel_read(before, ktla_ktva((char *)kgdbts_break_test),
46593 BREAK_INSTR_SIZE);
46594 init_simple_test();
46595 ts.tst = plant_and_detach_test;
46596 @@ -842,7 +842,7 @@ static void run_plant_and_detach_test(int is_early)
46597 /* Activate test with initial breakpoint */
46598 if (!is_early)
46599 kgdb_breakpoint();
46600 - probe_kernel_read(after, (char *)kgdbts_break_test,
46601 + probe_kernel_read(after, ktla_ktva((char *)kgdbts_break_test),
46602 BREAK_INSTR_SIZE);
46603 if (memcmp(before, after, BREAK_INSTR_SIZE)) {
46604 printk(KERN_CRIT "kgdbts: ERROR kgdb corrupted memory\n");
46605 diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
46606 index 3ef4627..8d00486 100644
46607 --- a/drivers/misc/lis3lv02d/lis3lv02d.c
46608 +++ b/drivers/misc/lis3lv02d/lis3lv02d.c
46609 @@ -497,7 +497,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data)
46610 * the lid is closed. This leads to interrupts as soon as a little move
46611 * is done.
46612 */
46613 - atomic_inc(&lis3->count);
46614 + atomic_inc_unchecked(&lis3->count);
46615
46616 wake_up_interruptible(&lis3->misc_wait);
46617 kill_fasync(&lis3->async_queue, SIGIO, POLL_IN);
46618 @@ -583,7 +583,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
46619 if (lis3->pm_dev)
46620 pm_runtime_get_sync(lis3->pm_dev);
46621
46622 - atomic_set(&lis3->count, 0);
46623 + atomic_set_unchecked(&lis3->count, 0);
46624 return 0;
46625 }
46626
46627 @@ -615,7 +615,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
46628 add_wait_queue(&lis3->misc_wait, &wait);
46629 while (true) {
46630 set_current_state(TASK_INTERRUPTIBLE);
46631 - data = atomic_xchg(&lis3->count, 0);
46632 + data = atomic_xchg_unchecked(&lis3->count, 0);
46633 if (data)
46634 break;
46635
46636 @@ -656,7 +656,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)
46637 struct lis3lv02d, miscdev);
46638
46639 poll_wait(file, &lis3->misc_wait, wait);
46640 - if (atomic_read(&lis3->count))
46641 + if (atomic_read_unchecked(&lis3->count))
46642 return POLLIN | POLLRDNORM;
46643 return 0;
46644 }
46645 diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
46646 index c439c82..1f20f57 100644
46647 --- a/drivers/misc/lis3lv02d/lis3lv02d.h
46648 +++ b/drivers/misc/lis3lv02d/lis3lv02d.h
46649 @@ -297,7 +297,7 @@ struct lis3lv02d {
46650 struct input_polled_dev *idev; /* input device */
46651 struct platform_device *pdev; /* platform device */
46652 struct regulator_bulk_data regulators[2];
46653 - atomic_t count; /* interrupt count after last read */
46654 + atomic_unchecked_t count; /* interrupt count after last read */
46655 union axis_conversion ac; /* hw -> logical axis */
46656 int mapped_btns[3];
46657
46658 diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c
46659 index 2f30bad..c4c13d0 100644
46660 --- a/drivers/misc/sgi-gru/gruhandles.c
46661 +++ b/drivers/misc/sgi-gru/gruhandles.c
46662 @@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks)
46663 unsigned long nsec;
46664
46665 nsec = CLKS2NSEC(clks);
46666 - atomic_long_inc(&mcs_op_statistics[op].count);
46667 - atomic_long_add(nsec, &mcs_op_statistics[op].total);
46668 + atomic_long_inc_unchecked(&mcs_op_statistics[op].count);
46669 + atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total);
46670 if (mcs_op_statistics[op].max < nsec)
46671 mcs_op_statistics[op].max = nsec;
46672 }
46673 diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
46674 index 4f76359..cdfcb2e 100644
46675 --- a/drivers/misc/sgi-gru/gruprocfs.c
46676 +++ b/drivers/misc/sgi-gru/gruprocfs.c
46677 @@ -32,9 +32,9 @@
46678
46679 #define printstat(s, f) printstat_val(s, &gru_stats.f, #f)
46680
46681 -static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
46682 +static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id)
46683 {
46684 - unsigned long val = atomic_long_read(v);
46685 + unsigned long val = atomic_long_read_unchecked(v);
46686
46687 seq_printf(s, "%16lu %s\n", val, id);
46688 }
46689 @@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
46690
46691 seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
46692 for (op = 0; op < mcsop_last; op++) {
46693 - count = atomic_long_read(&mcs_op_statistics[op].count);
46694 - total = atomic_long_read(&mcs_op_statistics[op].total);
46695 + count = atomic_long_read_unchecked(&mcs_op_statistics[op].count);
46696 + total = atomic_long_read_unchecked(&mcs_op_statistics[op].total);
46697 max = mcs_op_statistics[op].max;
46698 seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count,
46699 count ? total / count : 0, max);
46700 diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
46701 index 5c3ce24..4915ccb 100644
46702 --- a/drivers/misc/sgi-gru/grutables.h
46703 +++ b/drivers/misc/sgi-gru/grutables.h
46704 @@ -167,82 +167,82 @@ extern unsigned int gru_max_gids;
46705 * GRU statistics.
46706 */
46707 struct gru_stats_s {
46708 - atomic_long_t vdata_alloc;
46709 - atomic_long_t vdata_free;
46710 - atomic_long_t gts_alloc;
46711 - atomic_long_t gts_free;
46712 - atomic_long_t gms_alloc;
46713 - atomic_long_t gms_free;
46714 - atomic_long_t gts_double_allocate;
46715 - atomic_long_t assign_context;
46716 - atomic_long_t assign_context_failed;
46717 - atomic_long_t free_context;
46718 - atomic_long_t load_user_context;
46719 - atomic_long_t load_kernel_context;
46720 - atomic_long_t lock_kernel_context;
46721 - atomic_long_t unlock_kernel_context;
46722 - atomic_long_t steal_user_context;
46723 - atomic_long_t steal_kernel_context;
46724 - atomic_long_t steal_context_failed;
46725 - atomic_long_t nopfn;
46726 - atomic_long_t asid_new;
46727 - atomic_long_t asid_next;
46728 - atomic_long_t asid_wrap;
46729 - atomic_long_t asid_reuse;
46730 - atomic_long_t intr;
46731 - atomic_long_t intr_cbr;
46732 - atomic_long_t intr_tfh;
46733 - atomic_long_t intr_spurious;
46734 - atomic_long_t intr_mm_lock_failed;
46735 - atomic_long_t call_os;
46736 - atomic_long_t call_os_wait_queue;
46737 - atomic_long_t user_flush_tlb;
46738 - atomic_long_t user_unload_context;
46739 - atomic_long_t user_exception;
46740 - atomic_long_t set_context_option;
46741 - atomic_long_t check_context_retarget_intr;
46742 - atomic_long_t check_context_unload;
46743 - atomic_long_t tlb_dropin;
46744 - atomic_long_t tlb_preload_page;
46745 - atomic_long_t tlb_dropin_fail_no_asid;
46746 - atomic_long_t tlb_dropin_fail_upm;
46747 - atomic_long_t tlb_dropin_fail_invalid;
46748 - atomic_long_t tlb_dropin_fail_range_active;
46749 - atomic_long_t tlb_dropin_fail_idle;
46750 - atomic_long_t tlb_dropin_fail_fmm;
46751 - atomic_long_t tlb_dropin_fail_no_exception;
46752 - atomic_long_t tfh_stale_on_fault;
46753 - atomic_long_t mmu_invalidate_range;
46754 - atomic_long_t mmu_invalidate_page;
46755 - atomic_long_t flush_tlb;
46756 - atomic_long_t flush_tlb_gru;
46757 - atomic_long_t flush_tlb_gru_tgh;
46758 - atomic_long_t flush_tlb_gru_zero_asid;
46759 + atomic_long_unchecked_t vdata_alloc;
46760 + atomic_long_unchecked_t vdata_free;
46761 + atomic_long_unchecked_t gts_alloc;
46762 + atomic_long_unchecked_t gts_free;
46763 + atomic_long_unchecked_t gms_alloc;
46764 + atomic_long_unchecked_t gms_free;
46765 + atomic_long_unchecked_t gts_double_allocate;
46766 + atomic_long_unchecked_t assign_context;
46767 + atomic_long_unchecked_t assign_context_failed;
46768 + atomic_long_unchecked_t free_context;
46769 + atomic_long_unchecked_t load_user_context;
46770 + atomic_long_unchecked_t load_kernel_context;
46771 + atomic_long_unchecked_t lock_kernel_context;
46772 + atomic_long_unchecked_t unlock_kernel_context;
46773 + atomic_long_unchecked_t steal_user_context;
46774 + atomic_long_unchecked_t steal_kernel_context;
46775 + atomic_long_unchecked_t steal_context_failed;
46776 + atomic_long_unchecked_t nopfn;
46777 + atomic_long_unchecked_t asid_new;
46778 + atomic_long_unchecked_t asid_next;
46779 + atomic_long_unchecked_t asid_wrap;
46780 + atomic_long_unchecked_t asid_reuse;
46781 + atomic_long_unchecked_t intr;
46782 + atomic_long_unchecked_t intr_cbr;
46783 + atomic_long_unchecked_t intr_tfh;
46784 + atomic_long_unchecked_t intr_spurious;
46785 + atomic_long_unchecked_t intr_mm_lock_failed;
46786 + atomic_long_unchecked_t call_os;
46787 + atomic_long_unchecked_t call_os_wait_queue;
46788 + atomic_long_unchecked_t user_flush_tlb;
46789 + atomic_long_unchecked_t user_unload_context;
46790 + atomic_long_unchecked_t user_exception;
46791 + atomic_long_unchecked_t set_context_option;
46792 + atomic_long_unchecked_t check_context_retarget_intr;
46793 + atomic_long_unchecked_t check_context_unload;
46794 + atomic_long_unchecked_t tlb_dropin;
46795 + atomic_long_unchecked_t tlb_preload_page;
46796 + atomic_long_unchecked_t tlb_dropin_fail_no_asid;
46797 + atomic_long_unchecked_t tlb_dropin_fail_upm;
46798 + atomic_long_unchecked_t tlb_dropin_fail_invalid;
46799 + atomic_long_unchecked_t tlb_dropin_fail_range_active;
46800 + atomic_long_unchecked_t tlb_dropin_fail_idle;
46801 + atomic_long_unchecked_t tlb_dropin_fail_fmm;
46802 + atomic_long_unchecked_t tlb_dropin_fail_no_exception;
46803 + atomic_long_unchecked_t tfh_stale_on_fault;
46804 + atomic_long_unchecked_t mmu_invalidate_range;
46805 + atomic_long_unchecked_t mmu_invalidate_page;
46806 + atomic_long_unchecked_t flush_tlb;
46807 + atomic_long_unchecked_t flush_tlb_gru;
46808 + atomic_long_unchecked_t flush_tlb_gru_tgh;
46809 + atomic_long_unchecked_t flush_tlb_gru_zero_asid;
46810
46811 - atomic_long_t copy_gpa;
46812 - atomic_long_t read_gpa;
46813 + atomic_long_unchecked_t copy_gpa;
46814 + atomic_long_unchecked_t read_gpa;
46815
46816 - atomic_long_t mesq_receive;
46817 - atomic_long_t mesq_receive_none;
46818 - atomic_long_t mesq_send;
46819 - atomic_long_t mesq_send_failed;
46820 - atomic_long_t mesq_noop;
46821 - atomic_long_t mesq_send_unexpected_error;
46822 - atomic_long_t mesq_send_lb_overflow;
46823 - atomic_long_t mesq_send_qlimit_reached;
46824 - atomic_long_t mesq_send_amo_nacked;
46825 - atomic_long_t mesq_send_put_nacked;
46826 - atomic_long_t mesq_page_overflow;
46827 - atomic_long_t mesq_qf_locked;
46828 - atomic_long_t mesq_qf_noop_not_full;
46829 - atomic_long_t mesq_qf_switch_head_failed;
46830 - atomic_long_t mesq_qf_unexpected_error;
46831 - atomic_long_t mesq_noop_unexpected_error;
46832 - atomic_long_t mesq_noop_lb_overflow;
46833 - atomic_long_t mesq_noop_qlimit_reached;
46834 - atomic_long_t mesq_noop_amo_nacked;
46835 - atomic_long_t mesq_noop_put_nacked;
46836 - atomic_long_t mesq_noop_page_overflow;
46837 + atomic_long_unchecked_t mesq_receive;
46838 + atomic_long_unchecked_t mesq_receive_none;
46839 + atomic_long_unchecked_t mesq_send;
46840 + atomic_long_unchecked_t mesq_send_failed;
46841 + atomic_long_unchecked_t mesq_noop;
46842 + atomic_long_unchecked_t mesq_send_unexpected_error;
46843 + atomic_long_unchecked_t mesq_send_lb_overflow;
46844 + atomic_long_unchecked_t mesq_send_qlimit_reached;
46845 + atomic_long_unchecked_t mesq_send_amo_nacked;
46846 + atomic_long_unchecked_t mesq_send_put_nacked;
46847 + atomic_long_unchecked_t mesq_page_overflow;
46848 + atomic_long_unchecked_t mesq_qf_locked;
46849 + atomic_long_unchecked_t mesq_qf_noop_not_full;
46850 + atomic_long_unchecked_t mesq_qf_switch_head_failed;
46851 + atomic_long_unchecked_t mesq_qf_unexpected_error;
46852 + atomic_long_unchecked_t mesq_noop_unexpected_error;
46853 + atomic_long_unchecked_t mesq_noop_lb_overflow;
46854 + atomic_long_unchecked_t mesq_noop_qlimit_reached;
46855 + atomic_long_unchecked_t mesq_noop_amo_nacked;
46856 + atomic_long_unchecked_t mesq_noop_put_nacked;
46857 + atomic_long_unchecked_t mesq_noop_page_overflow;
46858
46859 };
46860
46861 @@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync,
46862 tghop_invalidate, mcsop_last};
46863
46864 struct mcs_op_statistic {
46865 - atomic_long_t count;
46866 - atomic_long_t total;
46867 + atomic_long_unchecked_t count;
46868 + atomic_long_unchecked_t total;
46869 unsigned long max;
46870 };
46871
46872 @@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
46873
46874 #define STAT(id) do { \
46875 if (gru_options & OPT_STATS) \
46876 - atomic_long_inc(&gru_stats.id); \
46877 + atomic_long_inc_unchecked(&gru_stats.id); \
46878 } while (0)
46879
46880 #ifdef CONFIG_SGI_GRU_DEBUG
46881 diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
46882 index c862cd4..0d176fe 100644
46883 --- a/drivers/misc/sgi-xp/xp.h
46884 +++ b/drivers/misc/sgi-xp/xp.h
46885 @@ -288,7 +288,7 @@ struct xpc_interface {
46886 xpc_notify_func, void *);
46887 void (*received) (short, int, void *);
46888 enum xp_retval (*partid_to_nasids) (short, void *);
46889 -};
46890 +} __no_const;
46891
46892 extern struct xpc_interface xpc_interface;
46893
46894 diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
46895 index 01be66d..e3a0c7e 100644
46896 --- a/drivers/misc/sgi-xp/xp_main.c
46897 +++ b/drivers/misc/sgi-xp/xp_main.c
46898 @@ -78,13 +78,13 @@ xpc_notloaded(void)
46899 }
46900
46901 struct xpc_interface xpc_interface = {
46902 - (void (*)(int))xpc_notloaded,
46903 - (void (*)(int))xpc_notloaded,
46904 - (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded,
46905 - (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func,
46906 + .connect = (void (*)(int))xpc_notloaded,
46907 + .disconnect = (void (*)(int))xpc_notloaded,
46908 + .send = (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded,
46909 + .send_notify = (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func,
46910 void *))xpc_notloaded,
46911 - (void (*)(short, int, void *))xpc_notloaded,
46912 - (enum xp_retval(*)(short, void *))xpc_notloaded
46913 + .received = (void (*)(short, int, void *))xpc_notloaded,
46914 + .partid_to_nasids = (enum xp_retval(*)(short, void *))xpc_notloaded
46915 };
46916 EXPORT_SYMBOL_GPL(xpc_interface);
46917
46918 diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
46919 index b94d5f7..7f494c5 100644
46920 --- a/drivers/misc/sgi-xp/xpc.h
46921 +++ b/drivers/misc/sgi-xp/xpc.h
46922 @@ -835,6 +835,7 @@ struct xpc_arch_operations {
46923 void (*received_payload) (struct xpc_channel *, void *);
46924 void (*notify_senders_of_disconnect) (struct xpc_channel *);
46925 };
46926 +typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const;
46927
46928 /* struct xpc_partition act_state values (for XPC HB) */
46929
46930 @@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[];
46931 /* found in xpc_main.c */
46932 extern struct device *xpc_part;
46933 extern struct device *xpc_chan;
46934 -extern struct xpc_arch_operations xpc_arch_ops;
46935 +extern xpc_arch_operations_no_const xpc_arch_ops;
46936 extern int xpc_disengage_timelimit;
46937 extern int xpc_disengage_timedout;
46938 extern int xpc_activate_IRQ_rcvd;
46939 diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
46940 index 82dc574..8539ab2 100644
46941 --- a/drivers/misc/sgi-xp/xpc_main.c
46942 +++ b/drivers/misc/sgi-xp/xpc_main.c
46943 @@ -166,7 +166,7 @@ static struct notifier_block xpc_die_notifier = {
46944 .notifier_call = xpc_system_die,
46945 };
46946
46947 -struct xpc_arch_operations xpc_arch_ops;
46948 +xpc_arch_operations_no_const xpc_arch_ops;
46949
46950 /*
46951 * Timer function to enforce the timelimit on the partition disengage.
46952 @@ -1210,7 +1210,7 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args)
46953
46954 if (((die_args->trapnr == X86_TRAP_MF) ||
46955 (die_args->trapnr == X86_TRAP_XF)) &&
46956 - !user_mode_vm(die_args->regs))
46957 + !user_mode(die_args->regs))
46958 xpc_die_deactivate();
46959
46960 break;
46961 diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
46962 index a11451f..9e1bbad 100644
46963 --- a/drivers/mmc/card/block.c
46964 +++ b/drivers/mmc/card/block.c
46965 @@ -574,7 +574,7 @@ static int mmc_blk_ioctl_cmd(struct block_device *bdev,
46966 if (idata->ic.postsleep_min_us)
46967 usleep_range(idata->ic.postsleep_min_us, idata->ic.postsleep_max_us);
46968
46969 - if (copy_to_user(&(ic_ptr->response), cmd.resp, sizeof(cmd.resp))) {
46970 + if (copy_to_user(ic_ptr->response, cmd.resp, sizeof(cmd.resp))) {
46971 err = -EFAULT;
46972 goto cmd_rel_host;
46973 }
46974 diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
46975 index 7911e05..d0f9dda 100644
46976 --- a/drivers/mmc/core/mmc_ops.c
46977 +++ b/drivers/mmc/core/mmc_ops.c
46978 @@ -267,7 +267,7 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
46979 void *data_buf;
46980 int is_on_stack;
46981
46982 - is_on_stack = object_is_on_stack(buf);
46983 + is_on_stack = object_starts_on_stack(buf);
46984 if (is_on_stack) {
46985 /*
46986 * dma onto stack is unsafe/nonportable, but callers to this
46987 diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
46988 index 01b99e8..5c325e3 100644
46989 --- a/drivers/mmc/host/dw_mmc.h
46990 +++ b/drivers/mmc/host/dw_mmc.h
46991 @@ -265,5 +265,5 @@ struct dw_mci_drv_data {
46992 int (*parse_dt)(struct dw_mci *host);
46993 int (*execute_tuning)(struct dw_mci_slot *slot, u32 opcode,
46994 struct dw_mci_tuning_data *tuning_data);
46995 -};
46996 +} __do_const;
46997 #endif /* _DW_MMC_H_ */
46998 diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
46999 index 43af791..86f4c48 100644
47000 --- a/drivers/mmc/host/mmci.c
47001 +++ b/drivers/mmc/host/mmci.c
47002 @@ -1628,7 +1628,9 @@ static int mmci_probe(struct amba_device *dev,
47003 mmc->caps |= MMC_CAP_CMD23;
47004
47005 if (variant->busy_detect) {
47006 - mmci_ops.card_busy = mmci_card_busy;
47007 + pax_open_kernel();
47008 + *(void **)&mmci_ops.card_busy = mmci_card_busy;
47009 + pax_close_kernel();
47010 mmci_write_datactrlreg(host, MCI_ST_DPSM_BUSYMODE);
47011 mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
47012 mmc->max_busy_timeout = 0;
47013 diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
47014 index 9c2b9cb..cebb09a 100644
47015 --- a/drivers/mmc/host/omap_hsmmc.c
47016 +++ b/drivers/mmc/host/omap_hsmmc.c
47017 @@ -2113,7 +2113,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
47018
47019 if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) {
47020 dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n");
47021 - omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk;
47022 + pax_open_kernel();
47023 + *(void **)&omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk;
47024 + pax_close_kernel();
47025 }
47026
47027 pm_runtime_enable(host->dev);
47028 diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
47029 index 587ee0e..b3bbcab 100644
47030 --- a/drivers/mmc/host/sdhci-esdhc-imx.c
47031 +++ b/drivers/mmc/host/sdhci-esdhc-imx.c
47032 @@ -1054,9 +1054,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
47033 host->mmc->caps |= MMC_CAP_1_8V_DDR;
47034 }
47035
47036 - if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING)
47037 - sdhci_esdhc_ops.platform_execute_tuning =
47038 + if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) {
47039 + pax_open_kernel();
47040 + *(void **)&sdhci_esdhc_ops.platform_execute_tuning =
47041 esdhc_executing_tuning;
47042 + pax_close_kernel();
47043 + }
47044
47045 if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING)
47046 writel(readl(host->ioaddr + ESDHC_TUNING_CTRL) |
47047 diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
47048 index 0ce6eb1..8dcce1b 100644
47049 --- a/drivers/mmc/host/sdhci-s3c.c
47050 +++ b/drivers/mmc/host/sdhci-s3c.c
47051 @@ -584,9 +584,11 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
47052 * we can use overriding functions instead of default.
47053 */
47054 if (sc->no_divider) {
47055 - sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock;
47056 - sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock;
47057 - sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
47058 + pax_open_kernel();
47059 + *(void **)&sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock;
47060 + *(void **)&sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock;
47061 + *(void **)&sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
47062 + pax_close_kernel();
47063 }
47064
47065 /* It supports additional host capabilities if needed */
47066 diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
47067 index 423666b..81ff5eb 100644
47068 --- a/drivers/mtd/chips/cfi_cmdset_0020.c
47069 +++ b/drivers/mtd/chips/cfi_cmdset_0020.c
47070 @@ -666,7 +666,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
47071 size_t totlen = 0, thislen;
47072 int ret = 0;
47073 size_t buflen = 0;
47074 - static char *buffer;
47075 + char *buffer;
47076
47077 if (!ECCBUF_SIZE) {
47078 /* We should fall back to a general writev implementation.
47079 diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
47080 index b3b7ca1..5dd4634 100644
47081 --- a/drivers/mtd/nand/denali.c
47082 +++ b/drivers/mtd/nand/denali.c
47083 @@ -24,6 +24,7 @@
47084 #include <linux/slab.h>
47085 #include <linux/mtd/mtd.h>
47086 #include <linux/module.h>
47087 +#include <linux/slab.h>
47088
47089 #include "denali.h"
47090
47091 diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
47092 index 959cb9b..8520fe5 100644
47093 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
47094 +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
47095 @@ -386,7 +386,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr)
47096
47097 /* first try to map the upper buffer directly */
47098 if (virt_addr_valid(this->upper_buf) &&
47099 - !object_is_on_stack(this->upper_buf)) {
47100 + !object_starts_on_stack(this->upper_buf)) {
47101 sg_init_one(sgl, this->upper_buf, this->upper_len);
47102 ret = dma_map_sg(this->dev, sgl, 1, dr);
47103 if (ret == 0)
47104 diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
47105 index 51b9d6a..52af9a7 100644
47106 --- a/drivers/mtd/nftlmount.c
47107 +++ b/drivers/mtd/nftlmount.c
47108 @@ -24,6 +24,7 @@
47109 #include <asm/errno.h>
47110 #include <linux/delay.h>
47111 #include <linux/slab.h>
47112 +#include <linux/sched.h>
47113 #include <linux/mtd/mtd.h>
47114 #include <linux/mtd/nand.h>
47115 #include <linux/mtd/nftl.h>
47116 diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
47117 index c23184a..4115c41 100644
47118 --- a/drivers/mtd/sm_ftl.c
47119 +++ b/drivers/mtd/sm_ftl.c
47120 @@ -56,7 +56,7 @@ static ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr,
47121 #define SM_CIS_VENDOR_OFFSET 0x59
47122 static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl)
47123 {
47124 - struct attribute_group *attr_group;
47125 + attribute_group_no_const *attr_group;
47126 struct attribute **attributes;
47127 struct sm_sysfs_attribute *vendor_attribute;
47128 char *vendor;
47129 diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
47130 index a5115fb..81b03f6 100644
47131 --- a/drivers/net/bonding/bond_main.c
47132 +++ b/drivers/net/bonding/bond_main.c
47133 @@ -3749,7 +3749,7 @@ int bond_3ad_xor_xmit(struct sk_buff *skb, struct net_device *dev)
47134 bond_dev_queue_xmit(bond, skb, slave->dev);
47135 } else {
47136 dev_kfree_skb_any(skb);
47137 - atomic_long_inc(&dev->tx_dropped);
47138 + atomic_long_inc_unchecked(&dev->tx_dropped);
47139 }
47140
47141 return NETDEV_TX_OK;
47142 diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
47143 index 45f09a6..f154f8d 100644
47144 --- a/drivers/net/bonding/bond_netlink.c
47145 +++ b/drivers/net/bonding/bond_netlink.c
47146 @@ -585,7 +585,7 @@ nla_put_failure:
47147 return -EMSGSIZE;
47148 }
47149
47150 -struct rtnl_link_ops bond_link_ops __read_mostly = {
47151 +struct rtnl_link_ops bond_link_ops = {
47152 .kind = "bond",
47153 .priv_size = sizeof(struct bonding),
47154 .setup = bond_setup,
47155 diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
47156 index 5e40a8b..126bfda 100644
47157 --- a/drivers/net/caif/caif_hsi.c
47158 +++ b/drivers/net/caif/caif_hsi.c
47159 @@ -1445,7 +1445,7 @@ err:
47160 return -ENODEV;
47161 }
47162
47163 -static struct rtnl_link_ops caif_hsi_link_ops __read_mostly = {
47164 +static struct rtnl_link_ops caif_hsi_link_ops = {
47165 .kind = "cfhsi",
47166 .priv_size = sizeof(struct cfhsi),
47167 .setup = cfhsi_setup,
47168 diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
47169 index 98d73aa..63ef9da 100644
47170 --- a/drivers/net/can/Kconfig
47171 +++ b/drivers/net/can/Kconfig
47172 @@ -98,7 +98,7 @@ config CAN_JANZ_ICAN3
47173
47174 config CAN_FLEXCAN
47175 tristate "Support for Freescale FLEXCAN based chips"
47176 - depends on ARM || PPC
47177 + depends on (ARM && CPU_LITTLE_ENDIAN) || PPC
47178 ---help---
47179 Say Y here if you want to support for Freescale FlexCAN.
47180
47181 diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
47182 index 4b008c9..2b1151f 100644
47183 --- a/drivers/net/can/dev.c
47184 +++ b/drivers/net/can/dev.c
47185 @@ -872,7 +872,7 @@ static int can_newlink(struct net *src_net, struct net_device *dev,
47186 return -EOPNOTSUPP;
47187 }
47188
47189 -static struct rtnl_link_ops can_link_ops __read_mostly = {
47190 +static struct rtnl_link_ops can_link_ops = {
47191 .kind = "can",
47192 .maxtype = IFLA_CAN_MAX,
47193 .policy = can_policy,
47194 diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c
47195 index 4e94057..32032ff 100644
47196 --- a/drivers/net/can/vcan.c
47197 +++ b/drivers/net/can/vcan.c
47198 @@ -166,7 +166,7 @@ static void vcan_setup(struct net_device *dev)
47199 dev->destructor = free_netdev;
47200 }
47201
47202 -static struct rtnl_link_ops vcan_link_ops __read_mostly = {
47203 +static struct rtnl_link_ops vcan_link_ops = {
47204 .kind = "vcan",
47205 .setup = vcan_setup,
47206 };
47207 diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
47208 index ff435fb..d408b1f 100644
47209 --- a/drivers/net/dummy.c
47210 +++ b/drivers/net/dummy.c
47211 @@ -149,7 +149,7 @@ static int dummy_validate(struct nlattr *tb[], struct nlattr *data[])
47212 return 0;
47213 }
47214
47215 -static struct rtnl_link_ops dummy_link_ops __read_mostly = {
47216 +static struct rtnl_link_ops dummy_link_ops = {
47217 .kind = "dummy",
47218 .setup = dummy_setup,
47219 .validate = dummy_validate,
47220 diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
47221 index 1d162cc..b546a75 100644
47222 --- a/drivers/net/ethernet/8390/ax88796.c
47223 +++ b/drivers/net/ethernet/8390/ax88796.c
47224 @@ -889,9 +889,11 @@ static int ax_probe(struct platform_device *pdev)
47225 if (ax->plat->reg_offsets)
47226 ei_local->reg_offset = ax->plat->reg_offsets;
47227 else {
47228 + resource_size_t _mem_size = mem_size;
47229 + do_div(_mem_size, 0x18);
47230 ei_local->reg_offset = ax->reg_offsets;
47231 for (ret = 0; ret < 0x18; ret++)
47232 - ax->reg_offsets[ret] = (mem_size / 0x18) * ret;
47233 + ax->reg_offsets[ret] = _mem_size * ret;
47234 }
47235
47236 if (!request_mem_region(mem->start, mem_size, pdev->name)) {
47237 diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
47238 index 4efc435..4ab9e14 100644
47239 --- a/drivers/net/ethernet/altera/altera_tse_main.c
47240 +++ b/drivers/net/ethernet/altera/altera_tse_main.c
47241 @@ -1224,7 +1224,7 @@ static int tse_shutdown(struct net_device *dev)
47242 return 0;
47243 }
47244
47245 -static struct net_device_ops altera_tse_netdev_ops = {
47246 +static net_device_ops_no_const altera_tse_netdev_ops __read_only = {
47247 .ndo_open = tse_open,
47248 .ndo_stop = tse_shutdown,
47249 .ndo_start_xmit = tse_start_xmit,
47250 @@ -1461,11 +1461,13 @@ static int altera_tse_probe(struct platform_device *pdev)
47251 ndev->netdev_ops = &altera_tse_netdev_ops;
47252 altera_tse_set_ethtool_ops(ndev);
47253
47254 + pax_open_kernel();
47255 altera_tse_netdev_ops.ndo_set_rx_mode = tse_set_rx_mode;
47256
47257 if (priv->hash_filter)
47258 altera_tse_netdev_ops.ndo_set_rx_mode =
47259 tse_set_rx_mode_hashfilter;
47260 + pax_close_kernel();
47261
47262 /* Scatter/gather IO is not supported,
47263 * so it is turned off
47264 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
47265 index caade30..3e257d9 100644
47266 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
47267 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
47268 @@ -1072,14 +1072,14 @@ do { \
47269 * operations, everything works on mask values.
47270 */
47271 #define XMDIO_READ(_pdata, _mmd, _reg) \
47272 - ((_pdata)->hw_if.read_mmd_regs((_pdata), 0, \
47273 + ((_pdata)->hw_if->read_mmd_regs((_pdata), 0, \
47274 MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff)))
47275
47276 #define XMDIO_READ_BITS(_pdata, _mmd, _reg, _mask) \
47277 (XMDIO_READ((_pdata), _mmd, _reg) & _mask)
47278
47279 #define XMDIO_WRITE(_pdata, _mmd, _reg, _val) \
47280 - ((_pdata)->hw_if.write_mmd_regs((_pdata), 0, \
47281 + ((_pdata)->hw_if->write_mmd_regs((_pdata), 0, \
47282 MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff), (_val)))
47283
47284 #define XMDIO_WRITE_BITS(_pdata, _mmd, _reg, _mask, _val) \
47285 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
47286 index 8a50b01..39c1ad0 100644
47287 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
47288 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
47289 @@ -187,7 +187,7 @@ static int xgbe_dcb_ieee_setets(struct net_device *netdev,
47290
47291 memcpy(pdata->ets, ets, sizeof(*pdata->ets));
47292
47293 - pdata->hw_if.config_dcb_tc(pdata);
47294 + pdata->hw_if->config_dcb_tc(pdata);
47295
47296 return 0;
47297 }
47298 @@ -226,7 +226,7 @@ static int xgbe_dcb_ieee_setpfc(struct net_device *netdev,
47299
47300 memcpy(pdata->pfc, pfc, sizeof(*pdata->pfc));
47301
47302 - pdata->hw_if.config_dcb_pfc(pdata);
47303 + pdata->hw_if->config_dcb_pfc(pdata);
47304
47305 return 0;
47306 }
47307 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
47308 index 6fc5da0..61ac2cb 100644
47309 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
47310 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
47311 @@ -235,7 +235,7 @@ err_ring:
47312
47313 static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata)
47314 {
47315 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47316 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47317 struct xgbe_channel *channel;
47318 struct xgbe_ring *ring;
47319 struct xgbe_ring_data *rdata;
47320 @@ -276,7 +276,7 @@ static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata)
47321
47322 static void xgbe_wrapper_rx_descriptor_init(struct xgbe_prv_data *pdata)
47323 {
47324 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47325 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47326 struct xgbe_channel *channel;
47327 struct xgbe_ring *ring;
47328 struct xgbe_ring_desc *rdesc;
47329 @@ -505,7 +505,7 @@ err_out:
47330 static void xgbe_realloc_skb(struct xgbe_channel *channel)
47331 {
47332 struct xgbe_prv_data *pdata = channel->pdata;
47333 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47334 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47335 struct xgbe_ring *ring = channel->rx_ring;
47336 struct xgbe_ring_data *rdata;
47337 struct sk_buff *skb = NULL;
47338 @@ -546,17 +546,12 @@ static void xgbe_realloc_skb(struct xgbe_channel *channel)
47339 DBGPR("<--xgbe_realloc_skb\n");
47340 }
47341
47342 -void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *desc_if)
47343 -{
47344 - DBGPR("-->xgbe_init_function_ptrs_desc\n");
47345 -
47346 - desc_if->alloc_ring_resources = xgbe_alloc_ring_resources;
47347 - desc_if->free_ring_resources = xgbe_free_ring_resources;
47348 - desc_if->map_tx_skb = xgbe_map_tx_skb;
47349 - desc_if->realloc_skb = xgbe_realloc_skb;
47350 - desc_if->unmap_skb = xgbe_unmap_skb;
47351 - desc_if->wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init;
47352 - desc_if->wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init;
47353 -
47354 - DBGPR("<--xgbe_init_function_ptrs_desc\n");
47355 -}
47356 +const struct xgbe_desc_if default_xgbe_desc_if = {
47357 + .alloc_ring_resources = xgbe_alloc_ring_resources,
47358 + .free_ring_resources = xgbe_free_ring_resources,
47359 + .map_tx_skb = xgbe_map_tx_skb,
47360 + .realloc_skb = xgbe_realloc_skb,
47361 + .unmap_skb = xgbe_unmap_skb,
47362 + .wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init,
47363 + .wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init,
47364 +};
47365 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
47366 index 9da3a03..022f15c 100644
47367 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
47368 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
47369 @@ -2462,7 +2462,7 @@ static void xgbe_powerdown_rx(struct xgbe_prv_data *pdata)
47370
47371 static int xgbe_init(struct xgbe_prv_data *pdata)
47372 {
47373 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47374 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47375 int ret;
47376
47377 DBGPR("-->xgbe_init\n");
47378 @@ -2524,101 +2524,96 @@ static int xgbe_init(struct xgbe_prv_data *pdata)
47379 return 0;
47380 }
47381
47382 -void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if)
47383 -{
47384 - DBGPR("-->xgbe_init_function_ptrs\n");
47385 -
47386 - hw_if->tx_complete = xgbe_tx_complete;
47387 -
47388 - hw_if->set_promiscuous_mode = xgbe_set_promiscuous_mode;
47389 - hw_if->set_all_multicast_mode = xgbe_set_all_multicast_mode;
47390 - hw_if->add_mac_addresses = xgbe_add_mac_addresses;
47391 - hw_if->set_mac_address = xgbe_set_mac_address;
47392 -
47393 - hw_if->enable_rx_csum = xgbe_enable_rx_csum;
47394 - hw_if->disable_rx_csum = xgbe_disable_rx_csum;
47395 -
47396 - hw_if->enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping;
47397 - hw_if->disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping;
47398 - hw_if->enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering;
47399 - hw_if->disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering;
47400 - hw_if->update_vlan_hash_table = xgbe_update_vlan_hash_table;
47401 -
47402 - hw_if->read_mmd_regs = xgbe_read_mmd_regs;
47403 - hw_if->write_mmd_regs = xgbe_write_mmd_regs;
47404 -
47405 - hw_if->set_gmii_speed = xgbe_set_gmii_speed;
47406 - hw_if->set_gmii_2500_speed = xgbe_set_gmii_2500_speed;
47407 - hw_if->set_xgmii_speed = xgbe_set_xgmii_speed;
47408 -
47409 - hw_if->enable_tx = xgbe_enable_tx;
47410 - hw_if->disable_tx = xgbe_disable_tx;
47411 - hw_if->enable_rx = xgbe_enable_rx;
47412 - hw_if->disable_rx = xgbe_disable_rx;
47413 -
47414 - hw_if->powerup_tx = xgbe_powerup_tx;
47415 - hw_if->powerdown_tx = xgbe_powerdown_tx;
47416 - hw_if->powerup_rx = xgbe_powerup_rx;
47417 - hw_if->powerdown_rx = xgbe_powerdown_rx;
47418 -
47419 - hw_if->pre_xmit = xgbe_pre_xmit;
47420 - hw_if->dev_read = xgbe_dev_read;
47421 - hw_if->enable_int = xgbe_enable_int;
47422 - hw_if->disable_int = xgbe_disable_int;
47423 - hw_if->init = xgbe_init;
47424 - hw_if->exit = xgbe_exit;
47425 +const struct xgbe_hw_if default_xgbe_hw_if = {
47426 + .tx_complete = xgbe_tx_complete,
47427 +
47428 + .set_promiscuous_mode = xgbe_set_promiscuous_mode,
47429 + .set_all_multicast_mode = xgbe_set_all_multicast_mode,
47430 + .add_mac_addresses = xgbe_add_mac_addresses,
47431 + .set_mac_address = xgbe_set_mac_address,
47432 +
47433 + .enable_rx_csum = xgbe_enable_rx_csum,
47434 + .disable_rx_csum = xgbe_disable_rx_csum,
47435 +
47436 + .enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping,
47437 + .disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping,
47438 + .enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering,
47439 + .disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering,
47440 + .update_vlan_hash_table = xgbe_update_vlan_hash_table,
47441 +
47442 + .read_mmd_regs = xgbe_read_mmd_regs,
47443 + .write_mmd_regs = xgbe_write_mmd_regs,
47444 +
47445 + .set_gmii_speed = xgbe_set_gmii_speed,
47446 + .set_gmii_2500_speed = xgbe_set_gmii_2500_speed,
47447 + .set_xgmii_speed = xgbe_set_xgmii_speed,
47448 +
47449 + .enable_tx = xgbe_enable_tx,
47450 + .disable_tx = xgbe_disable_tx,
47451 + .enable_rx = xgbe_enable_rx,
47452 + .disable_rx = xgbe_disable_rx,
47453 +
47454 + .powerup_tx = xgbe_powerup_tx,
47455 + .powerdown_tx = xgbe_powerdown_tx,
47456 + .powerup_rx = xgbe_powerup_rx,
47457 + .powerdown_rx = xgbe_powerdown_rx,
47458 +
47459 + .pre_xmit = xgbe_pre_xmit,
47460 + .dev_read = xgbe_dev_read,
47461 + .enable_int = xgbe_enable_int,
47462 + .disable_int = xgbe_disable_int,
47463 + .init = xgbe_init,
47464 + .exit = xgbe_exit,
47465
47466 /* Descriptor related Sequences have to be initialized here */
47467 - hw_if->tx_desc_init = xgbe_tx_desc_init;
47468 - hw_if->rx_desc_init = xgbe_rx_desc_init;
47469 - hw_if->tx_desc_reset = xgbe_tx_desc_reset;
47470 - hw_if->rx_desc_reset = xgbe_rx_desc_reset;
47471 - hw_if->is_last_desc = xgbe_is_last_desc;
47472 - hw_if->is_context_desc = xgbe_is_context_desc;
47473 + .tx_desc_init = xgbe_tx_desc_init,
47474 + .rx_desc_init = xgbe_rx_desc_init,
47475 + .tx_desc_reset = xgbe_tx_desc_reset,
47476 + .rx_desc_reset = xgbe_rx_desc_reset,
47477 + .is_last_desc = xgbe_is_last_desc,
47478 + .is_context_desc = xgbe_is_context_desc,
47479
47480 /* For FLOW ctrl */
47481 - hw_if->config_tx_flow_control = xgbe_config_tx_flow_control;
47482 - hw_if->config_rx_flow_control = xgbe_config_rx_flow_control;
47483 + .config_tx_flow_control = xgbe_config_tx_flow_control,
47484 + .config_rx_flow_control = xgbe_config_rx_flow_control,
47485
47486 /* For RX coalescing */
47487 - hw_if->config_rx_coalesce = xgbe_config_rx_coalesce;
47488 - hw_if->config_tx_coalesce = xgbe_config_tx_coalesce;
47489 - hw_if->usec_to_riwt = xgbe_usec_to_riwt;
47490 - hw_if->riwt_to_usec = xgbe_riwt_to_usec;
47491 + .config_rx_coalesce = xgbe_config_rx_coalesce,
47492 + .config_tx_coalesce = xgbe_config_tx_coalesce,
47493 + .usec_to_riwt = xgbe_usec_to_riwt,
47494 + .riwt_to_usec = xgbe_riwt_to_usec,
47495
47496 /* For RX and TX threshold config */
47497 - hw_if->config_rx_threshold = xgbe_config_rx_threshold;
47498 - hw_if->config_tx_threshold = xgbe_config_tx_threshold;
47499 + .config_rx_threshold = xgbe_config_rx_threshold,
47500 + .config_tx_threshold = xgbe_config_tx_threshold,
47501
47502 /* For RX and TX Store and Forward Mode config */
47503 - hw_if->config_rsf_mode = xgbe_config_rsf_mode;
47504 - hw_if->config_tsf_mode = xgbe_config_tsf_mode;
47505 + .config_rsf_mode = xgbe_config_rsf_mode,
47506 + .config_tsf_mode = xgbe_config_tsf_mode,
47507
47508 /* For TX DMA Operating on Second Frame config */
47509 - hw_if->config_osp_mode = xgbe_config_osp_mode;
47510 + .config_osp_mode = xgbe_config_osp_mode,
47511
47512 /* For RX and TX PBL config */
47513 - hw_if->config_rx_pbl_val = xgbe_config_rx_pbl_val;
47514 - hw_if->get_rx_pbl_val = xgbe_get_rx_pbl_val;
47515 - hw_if->config_tx_pbl_val = xgbe_config_tx_pbl_val;
47516 - hw_if->get_tx_pbl_val = xgbe_get_tx_pbl_val;
47517 - hw_if->config_pblx8 = xgbe_config_pblx8;
47518 + .config_rx_pbl_val = xgbe_config_rx_pbl_val,
47519 + .get_rx_pbl_val = xgbe_get_rx_pbl_val,
47520 + .config_tx_pbl_val = xgbe_config_tx_pbl_val,
47521 + .get_tx_pbl_val = xgbe_get_tx_pbl_val,
47522 + .config_pblx8 = xgbe_config_pblx8,
47523
47524 /* For MMC statistics support */
47525 - hw_if->tx_mmc_int = xgbe_tx_mmc_int;
47526 - hw_if->rx_mmc_int = xgbe_rx_mmc_int;
47527 - hw_if->read_mmc_stats = xgbe_read_mmc_stats;
47528 + .tx_mmc_int = xgbe_tx_mmc_int,
47529 + .rx_mmc_int = xgbe_rx_mmc_int,
47530 + .read_mmc_stats = xgbe_read_mmc_stats,
47531
47532 /* For PTP config */
47533 - hw_if->config_tstamp = xgbe_config_tstamp;
47534 - hw_if->update_tstamp_addend = xgbe_update_tstamp_addend;
47535 - hw_if->set_tstamp_time = xgbe_set_tstamp_time;
47536 - hw_if->get_tstamp_time = xgbe_get_tstamp_time;
47537 - hw_if->get_tx_tstamp = xgbe_get_tx_tstamp;
47538 + .config_tstamp = xgbe_config_tstamp,
47539 + .update_tstamp_addend = xgbe_update_tstamp_addend,
47540 + .set_tstamp_time = xgbe_set_tstamp_time,
47541 + .get_tstamp_time = xgbe_get_tstamp_time,
47542 + .get_tx_tstamp = xgbe_get_tx_tstamp,
47543
47544 /* For Data Center Bridging config */
47545 - hw_if->config_dcb_tc = xgbe_config_dcb_tc;
47546 - hw_if->config_dcb_pfc = xgbe_config_dcb_pfc;
47547 -
47548 - DBGPR("<--xgbe_init_function_ptrs\n");
47549 -}
47550 + .config_dcb_tc = xgbe_config_dcb_tc,
47551 + .config_dcb_pfc = xgbe_config_dcb_pfc,
47552 +};
47553 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
47554 index 2349ea9..a83a677 100644
47555 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
47556 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
47557 @@ -154,7 +154,7 @@ static int xgbe_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu)
47558
47559 static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata)
47560 {
47561 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47562 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47563 struct xgbe_channel *channel;
47564 enum xgbe_int int_id;
47565 unsigned int i;
47566 @@ -176,7 +176,7 @@ static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata)
47567
47568 static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
47569 {
47570 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47571 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47572 struct xgbe_channel *channel;
47573 enum xgbe_int int_id;
47574 unsigned int i;
47575 @@ -199,7 +199,7 @@ static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata)
47576 static irqreturn_t xgbe_isr(int irq, void *data)
47577 {
47578 struct xgbe_prv_data *pdata = data;
47579 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47580 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47581 struct xgbe_channel *channel;
47582 unsigned int dma_isr, dma_ch_isr;
47583 unsigned int mac_isr, mac_tssr;
47584 @@ -446,7 +446,7 @@ static void xgbe_napi_disable(struct xgbe_prv_data *pdata, unsigned int del)
47585
47586 void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata)
47587 {
47588 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47589 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47590
47591 DBGPR("-->xgbe_init_tx_coalesce\n");
47592
47593 @@ -460,7 +460,7 @@ void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata)
47594
47595 void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata)
47596 {
47597 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47598 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47599
47600 DBGPR("-->xgbe_init_rx_coalesce\n");
47601
47602 @@ -474,7 +474,7 @@ void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata)
47603
47604 static void xgbe_free_tx_skbuff(struct xgbe_prv_data *pdata)
47605 {
47606 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47607 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47608 struct xgbe_channel *channel;
47609 struct xgbe_ring *ring;
47610 struct xgbe_ring_data *rdata;
47611 @@ -499,7 +499,7 @@ static void xgbe_free_tx_skbuff(struct xgbe_prv_data *pdata)
47612
47613 static void xgbe_free_rx_skbuff(struct xgbe_prv_data *pdata)
47614 {
47615 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47616 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47617 struct xgbe_channel *channel;
47618 struct xgbe_ring *ring;
47619 struct xgbe_ring_data *rdata;
47620 @@ -525,7 +525,7 @@ static void xgbe_free_rx_skbuff(struct xgbe_prv_data *pdata)
47621 static void xgbe_adjust_link(struct net_device *netdev)
47622 {
47623 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47624 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47625 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47626 struct phy_device *phydev = pdata->phydev;
47627 int new_state = 0;
47628
47629 @@ -633,7 +633,7 @@ static void xgbe_phy_exit(struct xgbe_prv_data *pdata)
47630 int xgbe_powerdown(struct net_device *netdev, unsigned int caller)
47631 {
47632 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47633 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47634 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47635 unsigned long flags;
47636
47637 DBGPR("-->xgbe_powerdown\n");
47638 @@ -671,7 +671,7 @@ int xgbe_powerdown(struct net_device *netdev, unsigned int caller)
47639 int xgbe_powerup(struct net_device *netdev, unsigned int caller)
47640 {
47641 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47642 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47643 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47644 unsigned long flags;
47645
47646 DBGPR("-->xgbe_powerup\n");
47647 @@ -708,7 +708,7 @@ int xgbe_powerup(struct net_device *netdev, unsigned int caller)
47648
47649 static int xgbe_start(struct xgbe_prv_data *pdata)
47650 {
47651 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47652 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47653 struct net_device *netdev = pdata->netdev;
47654
47655 DBGPR("-->xgbe_start\n");
47656 @@ -734,7 +734,7 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
47657
47658 static void xgbe_stop(struct xgbe_prv_data *pdata)
47659 {
47660 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47661 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47662 struct net_device *netdev = pdata->netdev;
47663
47664 DBGPR("-->xgbe_stop\n");
47665 @@ -754,7 +754,7 @@ static void xgbe_stop(struct xgbe_prv_data *pdata)
47666
47667 static void xgbe_restart_dev(struct xgbe_prv_data *pdata, unsigned int reset)
47668 {
47669 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47670 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47671
47672 DBGPR("-->xgbe_restart_dev\n");
47673
47674 @@ -951,7 +951,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata,
47675 return -ERANGE;
47676 }
47677
47678 - pdata->hw_if.config_tstamp(pdata, mac_tscr);
47679 + pdata->hw_if->config_tstamp(pdata, mac_tscr);
47680
47681 memcpy(&pdata->tstamp_config, &config, sizeof(config));
47682
47683 @@ -1089,8 +1089,8 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata,
47684 static int xgbe_open(struct net_device *netdev)
47685 {
47686 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47687 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47688 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47689 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47690 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47691 int ret;
47692
47693 DBGPR("-->xgbe_open\n");
47694 @@ -1170,8 +1170,8 @@ err_phy_init:
47695 static int xgbe_close(struct net_device *netdev)
47696 {
47697 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47698 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47699 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47700 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47701 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47702
47703 DBGPR("-->xgbe_close\n");
47704
47705 @@ -1205,8 +1205,8 @@ static int xgbe_close(struct net_device *netdev)
47706 static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev)
47707 {
47708 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47709 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47710 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47711 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47712 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47713 struct xgbe_channel *channel;
47714 struct xgbe_ring *ring;
47715 struct xgbe_packet_data *packet;
47716 @@ -1275,7 +1275,7 @@ tx_netdev_return:
47717 static void xgbe_set_rx_mode(struct net_device *netdev)
47718 {
47719 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47720 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47721 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47722 unsigned int pr_mode, am_mode;
47723
47724 DBGPR("-->xgbe_set_rx_mode\n");
47725 @@ -1294,7 +1294,7 @@ static void xgbe_set_rx_mode(struct net_device *netdev)
47726 static int xgbe_set_mac_address(struct net_device *netdev, void *addr)
47727 {
47728 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47729 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47730 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47731 struct sockaddr *saddr = addr;
47732
47733 DBGPR("-->xgbe_set_mac_address\n");
47734 @@ -1361,7 +1361,7 @@ static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev,
47735
47736 DBGPR("-->%s\n", __func__);
47737
47738 - pdata->hw_if.read_mmc_stats(pdata);
47739 + pdata->hw_if->read_mmc_stats(pdata);
47740
47741 s->rx_packets = pstats->rxframecount_gb;
47742 s->rx_bytes = pstats->rxoctetcount_gb;
47743 @@ -1388,7 +1388,7 @@ static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto,
47744 u16 vid)
47745 {
47746 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47747 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47748 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47749
47750 DBGPR("-->%s\n", __func__);
47751
47752 @@ -1404,7 +1404,7 @@ static int xgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto,
47753 u16 vid)
47754 {
47755 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47756 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47757 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47758
47759 DBGPR("-->%s\n", __func__);
47760
47761 @@ -1464,7 +1464,7 @@ static int xgbe_set_features(struct net_device *netdev,
47762 netdev_features_t features)
47763 {
47764 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47765 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47766 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47767 netdev_features_t rxcsum, rxvlan, rxvlan_filter;
47768
47769 rxcsum = pdata->netdev_features & NETIF_F_RXCSUM;
47770 @@ -1520,7 +1520,7 @@ struct net_device_ops *xgbe_get_netdev_ops(void)
47771 static void xgbe_rx_refresh(struct xgbe_channel *channel)
47772 {
47773 struct xgbe_prv_data *pdata = channel->pdata;
47774 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47775 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47776 struct xgbe_ring *ring = channel->rx_ring;
47777 struct xgbe_ring_data *rdata;
47778
47779 @@ -1536,8 +1536,8 @@ static void xgbe_rx_refresh(struct xgbe_channel *channel)
47780 static int xgbe_tx_poll(struct xgbe_channel *channel)
47781 {
47782 struct xgbe_prv_data *pdata = channel->pdata;
47783 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47784 - struct xgbe_desc_if *desc_if = &pdata->desc_if;
47785 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47786 + struct xgbe_desc_if *desc_if = pdata->desc_if;
47787 struct xgbe_ring *ring = channel->tx_ring;
47788 struct xgbe_ring_data *rdata;
47789 struct xgbe_ring_desc *rdesc;
47790 @@ -1589,7 +1589,7 @@ static int xgbe_tx_poll(struct xgbe_channel *channel)
47791 static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
47792 {
47793 struct xgbe_prv_data *pdata = channel->pdata;
47794 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47795 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47796 struct xgbe_ring *ring = channel->rx_ring;
47797 struct xgbe_ring_data *rdata;
47798 struct xgbe_packet_data *packet;
47799 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
47800 index 49508ec..2617cca 100644
47801 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
47802 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
47803 @@ -203,7 +203,7 @@ static void xgbe_get_ethtool_stats(struct net_device *netdev,
47804
47805 DBGPR("-->%s\n", __func__);
47806
47807 - pdata->hw_if.read_mmc_stats(pdata);
47808 + pdata->hw_if->read_mmc_stats(pdata);
47809 for (i = 0; i < XGBE_STATS_COUNT; i++) {
47810 stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
47811 *data++ = *(u64 *)stat;
47812 @@ -378,7 +378,7 @@ static int xgbe_get_coalesce(struct net_device *netdev,
47813 struct ethtool_coalesce *ec)
47814 {
47815 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47816 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47817 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47818 unsigned int riwt;
47819
47820 DBGPR("-->xgbe_get_coalesce\n");
47821 @@ -401,7 +401,7 @@ static int xgbe_set_coalesce(struct net_device *netdev,
47822 struct ethtool_coalesce *ec)
47823 {
47824 struct xgbe_prv_data *pdata = netdev_priv(netdev);
47825 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47826 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47827 unsigned int rx_frames, rx_riwt, rx_usecs;
47828 unsigned int tx_frames, tx_usecs;
47829
47830 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
47831 index f5a8fa0..0bb58ff 100644
47832 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c
47833 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
47834 @@ -209,12 +209,6 @@ static void xgbe_default_config(struct xgbe_prv_data *pdata)
47835 DBGPR("<--xgbe_default_config\n");
47836 }
47837
47838 -static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
47839 -{
47840 - xgbe_init_function_ptrs_dev(&pdata->hw_if);
47841 - xgbe_init_function_ptrs_desc(&pdata->desc_if);
47842 -}
47843 -
47844 static int xgbe_probe(struct platform_device *pdev)
47845 {
47846 struct xgbe_prv_data *pdata;
47847 @@ -327,9 +321,8 @@ static int xgbe_probe(struct platform_device *pdev)
47848 netdev->base_addr = (unsigned long)pdata->xgmac_regs;
47849
47850 /* Set all the function pointers */
47851 - xgbe_init_all_fptrs(pdata);
47852 - hw_if = &pdata->hw_if;
47853 - desc_if = &pdata->desc_if;
47854 + hw_if = pdata->hw_if = &default_xgbe_hw_if;
47855 + desc_if = pdata->desc_if = &default_xgbe_desc_if;
47856
47857 /* Issue software reset to device */
47858 hw_if->exit(pdata);
47859 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
47860 index 363b210..b241389 100644
47861 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
47862 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
47863 @@ -126,7 +126,7 @@
47864 static int xgbe_mdio_read(struct mii_bus *mii, int prtad, int mmd_reg)
47865 {
47866 struct xgbe_prv_data *pdata = mii->priv;
47867 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47868 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47869 int mmd_data;
47870
47871 DBGPR_MDIO("-->xgbe_mdio_read: prtad=%#x mmd_reg=%#x\n",
47872 @@ -143,7 +143,7 @@ static int xgbe_mdio_write(struct mii_bus *mii, int prtad, int mmd_reg,
47873 u16 mmd_val)
47874 {
47875 struct xgbe_prv_data *pdata = mii->priv;
47876 - struct xgbe_hw_if *hw_if = &pdata->hw_if;
47877 + struct xgbe_hw_if *hw_if = pdata->hw_if;
47878 int mmd_data = mmd_val;
47879
47880 DBGPR_MDIO("-->xgbe_mdio_write: prtad=%#x mmd_reg=%#x mmd_data=%#x\n",
47881 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
47882 index a1bf9d1c..84adcab 100644
47883 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
47884 +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c
47885 @@ -129,7 +129,7 @@ static cycle_t xgbe_cc_read(const struct cyclecounter *cc)
47886 tstamp_cc);
47887 u64 nsec;
47888
47889 - nsec = pdata->hw_if.get_tstamp_time(pdata);
47890 + nsec = pdata->hw_if->get_tstamp_time(pdata);
47891
47892 return nsec;
47893 }
47894 @@ -158,7 +158,7 @@ static int xgbe_adjfreq(struct ptp_clock_info *info, s32 delta)
47895
47896 spin_lock_irqsave(&pdata->tstamp_lock, flags);
47897
47898 - pdata->hw_if.update_tstamp_addend(pdata, addend);
47899 + pdata->hw_if->update_tstamp_addend(pdata, addend);
47900
47901 spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
47902
47903 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
47904 index 789957d..d7d0245 100644
47905 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h
47906 +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
47907 @@ -583,8 +583,8 @@ struct xgbe_prv_data {
47908
47909 int irq_number;
47910
47911 - struct xgbe_hw_if hw_if;
47912 - struct xgbe_desc_if desc_if;
47913 + const struct xgbe_hw_if *hw_if;
47914 + const struct xgbe_desc_if *desc_if;
47915
47916 /* AXI DMA settings */
47917 unsigned int axdomain;
47918 @@ -697,6 +697,9 @@ struct xgbe_prv_data {
47919 #endif
47920 };
47921
47922 +extern const struct xgbe_hw_if default_xgbe_hw_if;
47923 +extern const struct xgbe_desc_if default_xgbe_desc_if;
47924 +
47925 /* Function prototypes*/
47926
47927 void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *);
47928 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
47929 index adcacda..fa6e0ae 100644
47930 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
47931 +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
47932 @@ -1065,7 +1065,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
47933 static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
47934 {
47935 /* RX_MODE controlling object */
47936 - bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
47937 + bnx2x_init_rx_mode_obj(bp);
47938
47939 /* multicast configuration controlling object */
47940 bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
47941 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
47942 index 7bc2924..2112002 100644
47943 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
47944 +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
47945 @@ -2329,15 +2329,14 @@ int bnx2x_config_rx_mode(struct bnx2x *bp,
47946 return rc;
47947 }
47948
47949 -void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
47950 - struct bnx2x_rx_mode_obj *o)
47951 +void bnx2x_init_rx_mode_obj(struct bnx2x *bp)
47952 {
47953 if (CHIP_IS_E1x(bp)) {
47954 - o->wait_comp = bnx2x_empty_rx_mode_wait;
47955 - o->config_rx_mode = bnx2x_set_rx_mode_e1x;
47956 + bp->rx_mode_obj.wait_comp = bnx2x_empty_rx_mode_wait;
47957 + bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e1x;
47958 } else {
47959 - o->wait_comp = bnx2x_wait_rx_mode_comp_e2;
47960 - o->config_rx_mode = bnx2x_set_rx_mode_e2;
47961 + bp->rx_mode_obj.wait_comp = bnx2x_wait_rx_mode_comp_e2;
47962 + bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e2;
47963 }
47964 }
47965
47966 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
47967 index e97275f..52e28bc 100644
47968 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
47969 +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
47970 @@ -1409,8 +1409,7 @@ int bnx2x_vlan_mac_move(struct bnx2x *bp,
47971
47972 /********************* RX MODE ****************/
47973
47974 -void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
47975 - struct bnx2x_rx_mode_obj *o);
47976 +void bnx2x_init_rx_mode_obj(struct bnx2x *bp);
47977
47978 /**
47979 * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters.
47980 diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
47981 index 31c9f82..e65e986 100644
47982 --- a/drivers/net/ethernet/broadcom/tg3.h
47983 +++ b/drivers/net/ethernet/broadcom/tg3.h
47984 @@ -150,6 +150,7 @@
47985 #define CHIPREV_ID_5750_A0 0x4000
47986 #define CHIPREV_ID_5750_A1 0x4001
47987 #define CHIPREV_ID_5750_A3 0x4003
47988 +#define CHIPREV_ID_5750_C1 0x4201
47989 #define CHIPREV_ID_5750_C2 0x4202
47990 #define CHIPREV_ID_5752_A0_HW 0x5000
47991 #define CHIPREV_ID_5752_A0 0x6000
47992 diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c
47993 index 903466e..b285864 100644
47994 --- a/drivers/net/ethernet/brocade/bna/bna_enet.c
47995 +++ b/drivers/net/ethernet/brocade/bna/bna_enet.c
47996 @@ -1693,10 +1693,10 @@ bna_cb_ioceth_reset(void *arg)
47997 }
47998
47999 static struct bfa_ioc_cbfn bna_ioceth_cbfn = {
48000 - bna_cb_ioceth_enable,
48001 - bna_cb_ioceth_disable,
48002 - bna_cb_ioceth_hbfail,
48003 - bna_cb_ioceth_reset
48004 + .enable_cbfn = bna_cb_ioceth_enable,
48005 + .disable_cbfn = bna_cb_ioceth_disable,
48006 + .hbfail_cbfn = bna_cb_ioceth_hbfail,
48007 + .reset_cbfn = bna_cb_ioceth_reset
48008 };
48009
48010 static void bna_attr_init(struct bna_ioceth *ioceth)
48011 diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
48012 index 8cffcdf..aadf043 100644
48013 --- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h
48014 +++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
48015 @@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
48016 */
48017 struct l2t_skb_cb {
48018 arp_failure_handler_func arp_failure_handler;
48019 -};
48020 +} __no_const;
48021
48022 #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb)
48023
48024 diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
48025 index 279873c..11e1921 100644
48026 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
48027 +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
48028 @@ -2365,7 +2365,7 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
48029
48030 int i;
48031 struct adapter *ap = netdev2adap(dev);
48032 - static const unsigned int *reg_ranges;
48033 + const unsigned int *reg_ranges;
48034 int arr_size = 0, buf_size = 0;
48035
48036 if (is_t4(ap->params.chip)) {
48037 diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
48038 index cf8b6ff..274271e 100644
48039 --- a/drivers/net/ethernet/dec/tulip/de4x5.c
48040 +++ b/drivers/net/ethernet/dec/tulip/de4x5.c
48041 @@ -5387,7 +5387,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
48042 for (i=0; i<ETH_ALEN; i++) {
48043 tmp.addr[i] = dev->dev_addr[i];
48044 }
48045 - if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
48046 + if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT;
48047 break;
48048
48049 case DE4X5_SET_HWADDR: /* Set the hardware address */
48050 @@ -5427,7 +5427,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
48051 spin_lock_irqsave(&lp->lock, flags);
48052 memcpy(&statbuf, &lp->pktStats, ioc->len);
48053 spin_unlock_irqrestore(&lp->lock, flags);
48054 - if (copy_to_user(ioc->data, &statbuf, ioc->len))
48055 + if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len))
48056 return -EFAULT;
48057 break;
48058 }
48059 diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
48060 index d2975fa..8aaec07 100644
48061 --- a/drivers/net/ethernet/emulex/benet/be_main.c
48062 +++ b/drivers/net/ethernet/emulex/benet/be_main.c
48063 @@ -537,7 +537,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val)
48064
48065 if (wrapped)
48066 newacc += 65536;
48067 - ACCESS_ONCE(*acc) = newacc;
48068 + ACCESS_ONCE_RW(*acc) = newacc;
48069 }
48070
48071 static void populate_erx_stats(struct be_adapter *adapter,
48072 diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
48073 index c77fa4a..7fd42fc 100644
48074 --- a/drivers/net/ethernet/faraday/ftgmac100.c
48075 +++ b/drivers/net/ethernet/faraday/ftgmac100.c
48076 @@ -30,6 +30,8 @@
48077 #include <linux/netdevice.h>
48078 #include <linux/phy.h>
48079 #include <linux/platform_device.h>
48080 +#include <linux/interrupt.h>
48081 +#include <linux/irqreturn.h>
48082 #include <net/ip.h>
48083
48084 #include "ftgmac100.h"
48085 diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c
48086 index 4ff1adc..0ea6bf4 100644
48087 --- a/drivers/net/ethernet/faraday/ftmac100.c
48088 +++ b/drivers/net/ethernet/faraday/ftmac100.c
48089 @@ -31,6 +31,8 @@
48090 #include <linux/module.h>
48091 #include <linux/netdevice.h>
48092 #include <linux/platform_device.h>
48093 +#include <linux/interrupt.h>
48094 +#include <linux/irqreturn.h>
48095
48096 #include "ftmac100.h"
48097
48098 diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
48099 index 537b621..07f87ce 100644
48100 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c
48101 +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
48102 @@ -401,7 +401,7 @@ void i40e_ptp_set_increment(struct i40e_pf *pf)
48103 wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32);
48104
48105 /* Update the base adjustement value. */
48106 - ACCESS_ONCE(pf->ptp_base_adj) = incval;
48107 + ACCESS_ONCE_RW(pf->ptp_base_adj) = incval;
48108 smp_mb(); /* Force the above update. */
48109 }
48110
48111 diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
48112 index 5fd4b52..87aa34b 100644
48113 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
48114 +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
48115 @@ -794,7 +794,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter)
48116 }
48117
48118 /* update the base incval used to calculate frequency adjustment */
48119 - ACCESS_ONCE(adapter->base_incval) = incval;
48120 + ACCESS_ONCE_RW(adapter->base_incval) = incval;
48121 smp_mb();
48122
48123 /* need lock to prevent incorrect read while modifying cyclecounter */
48124 diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
48125 index 11ff28b..375d659 100644
48126 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
48127 +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
48128 @@ -458,8 +458,8 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
48129 wmb();
48130
48131 /* we want to dirty this cache line once */
48132 - ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb;
48133 - ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped;
48134 + ACCESS_ONCE_RW(ring->last_nr_txbb) = last_nr_txbb;
48135 + ACCESS_ONCE_RW(ring->cons) = ring_cons + txbbs_skipped;
48136
48137 netdev_tx_completed_queue(ring->tx_queue, packets, bytes);
48138
48139 diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c
48140 index f5e4b82..db0c7a9 100644
48141 --- a/drivers/net/ethernet/neterion/s2io.c
48142 +++ b/drivers/net/ethernet/neterion/s2io.c
48143 @@ -6987,7 +6987,9 @@ static int s2io_add_isr(struct s2io_nic *sp)
48144 if (sp->s2io_entries[i].in_use == MSIX_FLG) {
48145 if (sp->s2io_entries[i].type ==
48146 MSIX_RING_TYPE) {
48147 - sprintf(sp->desc[i], "%s:MSI-X-%d-RX",
48148 + snprintf(sp->desc[i],
48149 + sizeof(sp->desc[i]),
48150 + "%s:MSI-X-%d-RX",
48151 dev->name, i);
48152 err = request_irq(sp->entries[i].vector,
48153 s2io_msix_ring_handle,
48154 @@ -6996,7 +6998,9 @@ static int s2io_add_isr(struct s2io_nic *sp)
48155 sp->s2io_entries[i].arg);
48156 } else if (sp->s2io_entries[i].type ==
48157 MSIX_ALARM_TYPE) {
48158 - sprintf(sp->desc[i], "%s:MSI-X-%d-TX",
48159 + snprintf(sp->desc[i],
48160 + sizeof(sp->desc[i]),
48161 + "%s:MSI-X-%d-TX",
48162 dev->name, i);
48163 err = request_irq(sp->entries[i].vector,
48164 s2io_msix_fifo_handle,
48165 @@ -8154,7 +8158,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
48166 "%s: UDP Fragmentation Offload(UFO) enabled\n",
48167 dev->name);
48168 /* Initialize device name */
48169 - sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name);
48170 + snprintf(sp->name, sizeof(sp->name), "%s Neterion %s", dev->name,
48171 + sp->product_name);
48172
48173 if (vlan_tag_strip)
48174 sp->vlan_strip_flag = 1;
48175 diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c
48176 index 2bbd01f..e8baa64 100644
48177 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.c
48178 +++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c
48179 @@ -3457,7 +3457,10 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp,
48180 struct __vxge_hw_fifo *fifo;
48181 struct vxge_hw_fifo_config *config;
48182 u32 txdl_size, txdl_per_memblock;
48183 - struct vxge_hw_mempool_cbs fifo_mp_callback;
48184 + static struct vxge_hw_mempool_cbs fifo_mp_callback = {
48185 + .item_func_alloc = __vxge_hw_fifo_mempool_item_alloc,
48186 + };
48187 +
48188 struct __vxge_hw_virtualpath *vpath;
48189
48190 if ((vp == NULL) || (attr == NULL)) {
48191 @@ -3540,8 +3543,6 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp,
48192 goto exit;
48193 }
48194
48195 - fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc;
48196 -
48197 fifo->mempool =
48198 __vxge_hw_mempool_create(vpath->hldev,
48199 fifo->config->memblock_size,
48200 diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
48201 index 2bb48d5..d1a865d 100644
48202 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
48203 +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
48204 @@ -2324,7 +2324,9 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
48205 max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS;
48206 } else if (ret == QLC_83XX_DEFAULT_OPMODE) {
48207 ahw->nic_mode = QLCNIC_DEFAULT_MODE;
48208 - adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
48209 + pax_open_kernel();
48210 + *(void **)&adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
48211 + pax_close_kernel();
48212 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
48213 max_sds_rings = QLCNIC_MAX_SDS_RINGS;
48214 max_tx_rings = QLCNIC_MAX_TX_RINGS;
48215 diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
48216 index be7d7a6..a8983f8 100644
48217 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
48218 +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
48219 @@ -207,17 +207,23 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)
48220 case QLCNIC_NON_PRIV_FUNC:
48221 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
48222 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
48223 - nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;
48224 + pax_open_kernel();
48225 + *(void **)&nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;
48226 + pax_close_kernel();
48227 break;
48228 case QLCNIC_PRIV_FUNC:
48229 ahw->op_mode = QLCNIC_PRIV_FUNC;
48230 ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry;
48231 - nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;
48232 + pax_open_kernel();
48233 + *(void **)&nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;
48234 + pax_close_kernel();
48235 break;
48236 case QLCNIC_MGMT_FUNC:
48237 ahw->op_mode = QLCNIC_MGMT_FUNC;
48238 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
48239 - nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;
48240 + pax_open_kernel();
48241 + *(void **)&nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;
48242 + pax_close_kernel();
48243 break;
48244 default:
48245 dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n");
48246 diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
48247 index c9f57fb..208bdc1 100644
48248 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
48249 +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
48250 @@ -1285,7 +1285,7 @@ flash_temp:
48251 int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
48252 {
48253 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
48254 - static const struct qlcnic_dump_operations *fw_dump_ops;
48255 + const struct qlcnic_dump_operations *fw_dump_ops;
48256 struct qlcnic_83xx_dump_template_hdr *hdr_83xx;
48257 u32 entry_offset, dump, no_entries, buf_offset = 0;
48258 int i, k, ops_cnt, ops_index, dump_size = 0;
48259 diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
48260 index cf154f7..c948d1b 100644
48261 --- a/drivers/net/ethernet/realtek/r8169.c
48262 +++ b/drivers/net/ethernet/realtek/r8169.c
48263 @@ -788,22 +788,22 @@ struct rtl8169_private {
48264 struct mdio_ops {
48265 void (*write)(struct rtl8169_private *, int, int);
48266 int (*read)(struct rtl8169_private *, int);
48267 - } mdio_ops;
48268 + } __no_const mdio_ops;
48269
48270 struct pll_power_ops {
48271 void (*down)(struct rtl8169_private *);
48272 void (*up)(struct rtl8169_private *);
48273 - } pll_power_ops;
48274 + } __no_const pll_power_ops;
48275
48276 struct jumbo_ops {
48277 void (*enable)(struct rtl8169_private *);
48278 void (*disable)(struct rtl8169_private *);
48279 - } jumbo_ops;
48280 + } __no_const jumbo_ops;
48281
48282 struct csi_ops {
48283 void (*write)(struct rtl8169_private *, int, int);
48284 u32 (*read)(struct rtl8169_private *, int);
48285 - } csi_ops;
48286 + } __no_const csi_ops;
48287
48288 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
48289 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
48290 diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
48291 index 6b861e3..204ac86 100644
48292 --- a/drivers/net/ethernet/sfc/ptp.c
48293 +++ b/drivers/net/ethernet/sfc/ptp.c
48294 @@ -822,7 +822,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings)
48295 ptp->start.dma_addr);
48296
48297 /* Clear flag that signals MC ready */
48298 - ACCESS_ONCE(*start) = 0;
48299 + ACCESS_ONCE_RW(*start) = 0;
48300 rc = efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf,
48301 MC_CMD_PTP_IN_SYNCHRONIZE_LEN);
48302 EFX_BUG_ON_PARANOID(rc);
48303 diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
48304 index 08c483b..2c4a553 100644
48305 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
48306 +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
48307 @@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode)
48308
48309 writel(value, ioaddr + MMC_CNTRL);
48310
48311 - pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
48312 - MMC_CNTRL, value);
48313 +// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
48314 +// MMC_CNTRL, value);
48315 }
48316
48317 /* To mask all all interrupts.*/
48318 diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
48319 index 2f48f79..8ae1a1a 100644
48320 --- a/drivers/net/hyperv/hyperv_net.h
48321 +++ b/drivers/net/hyperv/hyperv_net.h
48322 @@ -171,7 +171,7 @@ struct rndis_device {
48323 enum rndis_device_state state;
48324 bool link_state;
48325 bool link_change;
48326 - atomic_t new_req_id;
48327 + atomic_unchecked_t new_req_id;
48328
48329 spinlock_t request_lock;
48330 struct list_head req_list;
48331 diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
48332 index 7d76c95..63d7a64 100644
48333 --- a/drivers/net/hyperv/netvsc.c
48334 +++ b/drivers/net/hyperv/netvsc.c
48335 @@ -716,7 +716,7 @@ int netvsc_send(struct hv_device *device,
48336 u64 req_id;
48337 unsigned int section_index = NETVSC_INVALID_INDEX;
48338 u32 msg_size = 0;
48339 - struct sk_buff *skb;
48340 + struct sk_buff *skb = NULL;
48341 u16 q_idx = packet->q_idx;
48342
48343
48344 @@ -743,8 +743,6 @@ int netvsc_send(struct hv_device *device,
48345 packet);
48346 skb = (struct sk_buff *)
48347 (unsigned long)packet->send_completion_tid;
48348 - if (skb)
48349 - dev_kfree_skb_any(skb);
48350 packet->page_buf_cnt = 0;
48351 }
48352 }
48353 @@ -807,6 +805,13 @@ int netvsc_send(struct hv_device *device,
48354 packet, ret);
48355 }
48356
48357 + if (ret != 0) {
48358 + if (section_index != NETVSC_INVALID_INDEX)
48359 + netvsc_free_send_slot(net_device, section_index);
48360 + } else if (skb) {
48361 + dev_kfree_skb_any(skb);
48362 + }
48363 +
48364 return ret;
48365 }
48366
48367 diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
48368 index 2b86f0b..ecc996f 100644
48369 --- a/drivers/net/hyperv/rndis_filter.c
48370 +++ b/drivers/net/hyperv/rndis_filter.c
48371 @@ -102,7 +102,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev,
48372 * template
48373 */
48374 set = &rndis_msg->msg.set_req;
48375 - set->req_id = atomic_inc_return(&dev->new_req_id);
48376 + set->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
48377
48378 /* Add to the request list */
48379 spin_lock_irqsave(&dev->request_lock, flags);
48380 @@ -911,7 +911,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev)
48381
48382 /* Setup the rndis set */
48383 halt = &request->request_msg.msg.halt_req;
48384 - halt->req_id = atomic_inc_return(&dev->new_req_id);
48385 + halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id);
48386
48387 /* Ignore return since this msg is optional. */
48388 rndis_filter_send_request(dev, request);
48389 diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c
48390 index 6cbc56a..5f7e6c8 100644
48391 --- a/drivers/net/ieee802154/fakehard.c
48392 +++ b/drivers/net/ieee802154/fakehard.c
48393 @@ -365,7 +365,7 @@ static int ieee802154fake_probe(struct platform_device *pdev)
48394 phy->transmit_power = 0xbf;
48395
48396 dev->netdev_ops = &fake_ops;
48397 - dev->ml_priv = &fake_mlme;
48398 + dev->ml_priv = (void *)&fake_mlme;
48399
48400 priv = netdev_priv(dev);
48401 priv->phy = phy;
48402 diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
48403 index 34f846b..4a0d5b1 100644
48404 --- a/drivers/net/ifb.c
48405 +++ b/drivers/net/ifb.c
48406 @@ -253,7 +253,7 @@ static int ifb_validate(struct nlattr *tb[], struct nlattr *data[])
48407 return 0;
48408 }
48409
48410 -static struct rtnl_link_ops ifb_link_ops __read_mostly = {
48411 +static struct rtnl_link_ops ifb_link_ops = {
48412 .kind = "ifb",
48413 .priv_size = sizeof(struct ifb_private),
48414 .setup = ifb_setup,
48415 diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
48416 index bfb0b6e..5c396ce 100644
48417 --- a/drivers/net/macvlan.c
48418 +++ b/drivers/net/macvlan.c
48419 @@ -335,7 +335,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port,
48420 free_nskb:
48421 kfree_skb(nskb);
48422 err:
48423 - atomic_long_inc(&skb->dev->rx_dropped);
48424 + atomic_long_inc_unchecked(&skb->dev->rx_dropped);
48425 }
48426
48427 static void macvlan_flush_sources(struct macvlan_port *port,
48428 @@ -1454,13 +1454,15 @@ static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = {
48429 int macvlan_link_register(struct rtnl_link_ops *ops)
48430 {
48431 /* common fields */
48432 - ops->priv_size = sizeof(struct macvlan_dev);
48433 - ops->validate = macvlan_validate;
48434 - ops->maxtype = IFLA_MACVLAN_MAX;
48435 - ops->policy = macvlan_policy;
48436 - ops->changelink = macvlan_changelink;
48437 - ops->get_size = macvlan_get_size;
48438 - ops->fill_info = macvlan_fill_info;
48439 + pax_open_kernel();
48440 + *(size_t *)&ops->priv_size = sizeof(struct macvlan_dev);
48441 + *(void **)&ops->validate = macvlan_validate;
48442 + *(int *)&ops->maxtype = IFLA_MACVLAN_MAX;
48443 + *(const void **)&ops->policy = macvlan_policy;
48444 + *(void **)&ops->changelink = macvlan_changelink;
48445 + *(void **)&ops->get_size = macvlan_get_size;
48446 + *(void **)&ops->fill_info = macvlan_fill_info;
48447 + pax_close_kernel();
48448
48449 return rtnl_link_register(ops);
48450 };
48451 @@ -1540,7 +1542,7 @@ static int macvlan_device_event(struct notifier_block *unused,
48452 return NOTIFY_DONE;
48453 }
48454
48455 -static struct notifier_block macvlan_notifier_block __read_mostly = {
48456 +static struct notifier_block macvlan_notifier_block = {
48457 .notifier_call = macvlan_device_event,
48458 };
48459
48460 diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
48461 index 880cc09..6a68ba6 100644
48462 --- a/drivers/net/macvtap.c
48463 +++ b/drivers/net/macvtap.c
48464 @@ -422,7 +422,7 @@ static void macvtap_setup(struct net_device *dev)
48465 dev->tx_queue_len = TUN_READQ_SIZE;
48466 }
48467
48468 -static struct rtnl_link_ops macvtap_link_ops __read_mostly = {
48469 +static struct rtnl_link_ops macvtap_link_ops = {
48470 .kind = "macvtap",
48471 .setup = macvtap_setup,
48472 .newlink = macvtap_newlink,
48473 @@ -1020,7 +1020,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
48474 }
48475
48476 ret = 0;
48477 - if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) ||
48478 + if (copy_to_user(ifr->ifr_name, vlan->dev->name, IFNAMSIZ) ||
48479 put_user(q->flags, &ifr->ifr_flags))
48480 ret = -EFAULT;
48481 macvtap_put_vlan(vlan);
48482 @@ -1190,7 +1190,7 @@ static int macvtap_device_event(struct notifier_block *unused,
48483 return NOTIFY_DONE;
48484 }
48485
48486 -static struct notifier_block macvtap_notifier_block __read_mostly = {
48487 +static struct notifier_block macvtap_notifier_block = {
48488 .notifier_call = macvtap_device_event,
48489 };
48490
48491 diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c
48492 index 34924df..a747360 100644
48493 --- a/drivers/net/nlmon.c
48494 +++ b/drivers/net/nlmon.c
48495 @@ -154,7 +154,7 @@ static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[])
48496 return 0;
48497 }
48498
48499 -static struct rtnl_link_ops nlmon_link_ops __read_mostly = {
48500 +static struct rtnl_link_ops nlmon_link_ops = {
48501 .kind = "nlmon",
48502 .priv_size = sizeof(struct nlmon),
48503 .setup = nlmon_setup,
48504 diff --git a/drivers/net/ppp/ppp_deflate.c b/drivers/net/ppp/ppp_deflate.c
48505 index 602c625..b5edc7f 100644
48506 --- a/drivers/net/ppp/ppp_deflate.c
48507 +++ b/drivers/net/ppp/ppp_deflate.c
48508 @@ -246,7 +246,7 @@ static int z_compress(void *arg, unsigned char *rptr, unsigned char *obuf,
48509 /*
48510 * See if we managed to reduce the size of the packet.
48511 */
48512 - if (olen < isize) {
48513 + if (olen < isize && olen <= osize) {
48514 state->stats.comp_bytes += olen;
48515 state->stats.comp_packets++;
48516 } else {
48517 diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
48518 index 794a473..9fd437b 100644
48519 --- a/drivers/net/ppp/ppp_generic.c
48520 +++ b/drivers/net/ppp/ppp_generic.c
48521 @@ -1020,7 +1020,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
48522 void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data;
48523 struct ppp_stats stats;
48524 struct ppp_comp_stats cstats;
48525 - char *vers;
48526
48527 switch (cmd) {
48528 case SIOCGPPPSTATS:
48529 @@ -1042,8 +1041,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
48530 break;
48531
48532 case SIOCGPPPVER:
48533 - vers = PPP_VERSION;
48534 - if (copy_to_user(addr, vers, strlen(vers) + 1))
48535 + if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION)))
48536 break;
48537 err = 0;
48538 break;
48539 diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c
48540 index 079f7ad..b2a2bfa7 100644
48541 --- a/drivers/net/slip/slhc.c
48542 +++ b/drivers/net/slip/slhc.c
48543 @@ -487,7 +487,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
48544 register struct tcphdr *thp;
48545 register struct iphdr *ip;
48546 register struct cstate *cs;
48547 - int len, hdrlen;
48548 + long len, hdrlen;
48549 unsigned char *cp = icp;
48550
48551 /* We've got a compressed packet; read the change byte */
48552 diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
48553 index 9c505c4..5d0c879 100644
48554 --- a/drivers/net/team/team.c
48555 +++ b/drivers/net/team/team.c
48556 @@ -2102,7 +2102,7 @@ static unsigned int team_get_num_rx_queues(void)
48557 return TEAM_DEFAULT_NUM_RX_QUEUES;
48558 }
48559
48560 -static struct rtnl_link_ops team_link_ops __read_mostly = {
48561 +static struct rtnl_link_ops team_link_ops = {
48562 .kind = DRV_NAME,
48563 .priv_size = sizeof(struct team),
48564 .setup = team_setup,
48565 @@ -2892,7 +2892,7 @@ static int team_device_event(struct notifier_block *unused,
48566 return NOTIFY_DONE;
48567 }
48568
48569 -static struct notifier_block team_notifier_block __read_mostly = {
48570 +static struct notifier_block team_notifier_block = {
48571 .notifier_call = team_device_event,
48572 };
48573
48574 diff --git a/drivers/net/tun.c b/drivers/net/tun.c
48575 index 9dd3746..74f191e 100644
48576 --- a/drivers/net/tun.c
48577 +++ b/drivers/net/tun.c
48578 @@ -1426,7 +1426,7 @@ static int tun_validate(struct nlattr *tb[], struct nlattr *data[])
48579 return -EINVAL;
48580 }
48581
48582 -static struct rtnl_link_ops tun_link_ops __read_mostly = {
48583 +static struct rtnl_link_ops tun_link_ops = {
48584 .kind = DRV_NAME,
48585 .priv_size = sizeof(struct tun_struct),
48586 .setup = tun_setup,
48587 @@ -1868,7 +1868,7 @@ unlock:
48588 }
48589
48590 static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
48591 - unsigned long arg, int ifreq_len)
48592 + unsigned long arg, size_t ifreq_len)
48593 {
48594 struct tun_file *tfile = file->private_data;
48595 struct tun_struct *tun;
48596 @@ -1881,6 +1881,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
48597 unsigned int ifindex;
48598 int ret;
48599
48600 + if (ifreq_len > sizeof ifr)
48601 + return -EFAULT;
48602 +
48603 if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) {
48604 if (copy_from_user(&ifr, argp, ifreq_len))
48605 return -EFAULT;
48606 diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
48607 index babda7d..e40c90a 100644
48608 --- a/drivers/net/usb/hso.c
48609 +++ b/drivers/net/usb/hso.c
48610 @@ -71,7 +71,7 @@
48611 #include <asm/byteorder.h>
48612 #include <linux/serial_core.h>
48613 #include <linux/serial.h>
48614 -
48615 +#include <asm/local.h>
48616
48617 #define MOD_AUTHOR "Option Wireless"
48618 #define MOD_DESCRIPTION "USB High Speed Option driver"
48619 @@ -1178,7 +1178,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial)
48620 struct urb *urb;
48621
48622 urb = serial->rx_urb[0];
48623 - if (serial->port.count > 0) {
48624 + if (atomic_read(&serial->port.count) > 0) {
48625 count = put_rxbuf_data(urb, serial);
48626 if (count == -1)
48627 return;
48628 @@ -1216,7 +1216,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
48629 DUMP1(urb->transfer_buffer, urb->actual_length);
48630
48631 /* Anyone listening? */
48632 - if (serial->port.count == 0)
48633 + if (atomic_read(&serial->port.count) == 0)
48634 return;
48635
48636 if (serial->parent->port_spec & HSO_INFO_CRC_BUG)
48637 @@ -1278,8 +1278,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
48638 tty_port_tty_set(&serial->port, tty);
48639
48640 /* check for port already opened, if not set the termios */
48641 - serial->port.count++;
48642 - if (serial->port.count == 1) {
48643 + if (atomic_inc_return(&serial->port.count) == 1) {
48644 serial->rx_state = RX_IDLE;
48645 /* Force default termio settings */
48646 _hso_serial_set_termios(tty, NULL);
48647 @@ -1289,7 +1288,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
48648 result = hso_start_serial_device(serial->parent, GFP_KERNEL);
48649 if (result) {
48650 hso_stop_serial_device(serial->parent);
48651 - serial->port.count--;
48652 + atomic_dec(&serial->port.count);
48653 kref_put(&serial->parent->ref, hso_serial_ref_free);
48654 }
48655 } else {
48656 @@ -1326,10 +1325,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
48657
48658 /* reset the rts and dtr */
48659 /* do the actual close */
48660 - serial->port.count--;
48661 + atomic_dec(&serial->port.count);
48662
48663 - if (serial->port.count <= 0) {
48664 - serial->port.count = 0;
48665 + if (atomic_read(&serial->port.count) <= 0) {
48666 + atomic_set(&serial->port.count, 0);
48667 tty_port_tty_set(&serial->port, NULL);
48668 if (!usb_gone)
48669 hso_stop_serial_device(serial->parent);
48670 @@ -1404,7 +1403,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old)
48671
48672 /* the actual setup */
48673 spin_lock_irqsave(&serial->serial_lock, flags);
48674 - if (serial->port.count)
48675 + if (atomic_read(&serial->port.count))
48676 _hso_serial_set_termios(tty, old);
48677 else
48678 tty->termios = *old;
48679 @@ -1873,7 +1872,7 @@ static void intr_callback(struct urb *urb)
48680 D1("Pending read interrupt on port %d\n", i);
48681 spin_lock(&serial->serial_lock);
48682 if (serial->rx_state == RX_IDLE &&
48683 - serial->port.count > 0) {
48684 + atomic_read(&serial->port.count) > 0) {
48685 /* Setup and send a ctrl req read on
48686 * port i */
48687 if (!serial->rx_urb_filled[0]) {
48688 @@ -3047,7 +3046,7 @@ static int hso_resume(struct usb_interface *iface)
48689 /* Start all serial ports */
48690 for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
48691 if (serial_table[i] && (serial_table[i]->interface == iface)) {
48692 - if (dev2ser(serial_table[i])->port.count) {
48693 + if (atomic_read(&dev2ser(serial_table[i])->port.count)) {
48694 result =
48695 hso_start_serial_device(serial_table[i], GFP_NOIO);
48696 hso_kick_transmit(dev2ser(serial_table[i]));
48697 diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
48698 index c6554c7..7e2ebd7 100644
48699 --- a/drivers/net/usb/r8152.c
48700 +++ b/drivers/net/usb/r8152.c
48701 @@ -577,7 +577,7 @@ struct r8152 {
48702 void (*unload)(struct r8152 *);
48703 int (*eee_get)(struct r8152 *, struct ethtool_eee *);
48704 int (*eee_set)(struct r8152 *, struct ethtool_eee *);
48705 - } rtl_ops;
48706 + } __no_const rtl_ops;
48707
48708 int intr_interval;
48709 u32 saved_wolopts;
48710 diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
48711 index a2515887..6d13233 100644
48712 --- a/drivers/net/usb/sierra_net.c
48713 +++ b/drivers/net/usb/sierra_net.c
48714 @@ -51,7 +51,7 @@ static const char driver_name[] = "sierra_net";
48715 /* atomic counter partially included in MAC address to make sure 2 devices
48716 * do not end up with the same MAC - concept breaks in case of > 255 ifaces
48717 */
48718 -static atomic_t iface_counter = ATOMIC_INIT(0);
48719 +static atomic_unchecked_t iface_counter = ATOMIC_INIT(0);
48720
48721 /*
48722 * SYNC Timer Delay definition used to set the expiry time
48723 @@ -697,7 +697,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
48724 dev->net->netdev_ops = &sierra_net_device_ops;
48725
48726 /* change MAC addr to include, ifacenum, and to be unique */
48727 - dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter);
48728 + dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return_unchecked(&iface_counter);
48729 dev->net->dev_addr[ETH_ALEN-1] = ifacenum;
48730
48731 /* we will have to manufacture ethernet headers, prepare template */
48732 diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
48733 index b0bc8ea..3af931b5 100644
48734 --- a/drivers/net/virtio_net.c
48735 +++ b/drivers/net/virtio_net.c
48736 @@ -48,7 +48,7 @@ module_param(gso, bool, 0444);
48737 #define RECEIVE_AVG_WEIGHT 64
48738
48739 /* Minimum alignment for mergeable packet buffers. */
48740 -#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256)
48741 +#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256UL)
48742
48743 #define VIRTNET_DRIVER_VERSION "1.0.0"
48744
48745 diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
48746 index 42b2d6a5..2a2cb41 100644
48747 --- a/drivers/net/vxlan.c
48748 +++ b/drivers/net/vxlan.c
48749 @@ -2695,7 +2695,7 @@ nla_put_failure:
48750 return -EMSGSIZE;
48751 }
48752
48753 -static struct rtnl_link_ops vxlan_link_ops __read_mostly = {
48754 +static struct rtnl_link_ops vxlan_link_ops = {
48755 .kind = "vxlan",
48756 .maxtype = IFLA_VXLAN_MAX,
48757 .policy = vxlan_policy,
48758 @@ -2742,7 +2742,7 @@ static int vxlan_lowerdev_event(struct notifier_block *unused,
48759 return NOTIFY_DONE;
48760 }
48761
48762 -static struct notifier_block vxlan_notifier_block __read_mostly = {
48763 +static struct notifier_block vxlan_notifier_block = {
48764 .notifier_call = vxlan_lowerdev_event,
48765 };
48766
48767 diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c
48768 index 5920c99..ff2e4a5 100644
48769 --- a/drivers/net/wan/lmc/lmc_media.c
48770 +++ b/drivers/net/wan/lmc/lmc_media.c
48771 @@ -95,62 +95,63 @@ static inline void write_av9110_bit (lmc_softc_t *, int);
48772 static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32);
48773
48774 lmc_media_t lmc_ds3_media = {
48775 - lmc_ds3_init, /* special media init stuff */
48776 - lmc_ds3_default, /* reset to default state */
48777 - lmc_ds3_set_status, /* reset status to state provided */
48778 - lmc_dummy_set_1, /* set clock source */
48779 - lmc_dummy_set2_1, /* set line speed */
48780 - lmc_ds3_set_100ft, /* set cable length */
48781 - lmc_ds3_set_scram, /* set scrambler */
48782 - lmc_ds3_get_link_status, /* get link status */
48783 - lmc_dummy_set_1, /* set link status */
48784 - lmc_ds3_set_crc_length, /* set CRC length */
48785 - lmc_dummy_set_1, /* set T1 or E1 circuit type */
48786 - lmc_ds3_watchdog
48787 + .init = lmc_ds3_init, /* special media init stuff */
48788 + .defaults = lmc_ds3_default, /* reset to default state */
48789 + .set_status = lmc_ds3_set_status, /* reset status to state provided */
48790 + .set_clock_source = lmc_dummy_set_1, /* set clock source */
48791 + .set_speed = lmc_dummy_set2_1, /* set line speed */
48792 + .set_cable_length = lmc_ds3_set_100ft, /* set cable length */
48793 + .set_scrambler = lmc_ds3_set_scram, /* set scrambler */
48794 + .get_link_status = lmc_ds3_get_link_status, /* get link status */
48795 + .set_link_status = lmc_dummy_set_1, /* set link status */
48796 + .set_crc_length = lmc_ds3_set_crc_length, /* set CRC length */
48797 + .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */
48798 + .watchdog = lmc_ds3_watchdog
48799 };
48800
48801 lmc_media_t lmc_hssi_media = {
48802 - lmc_hssi_init, /* special media init stuff */
48803 - lmc_hssi_default, /* reset to default state */
48804 - lmc_hssi_set_status, /* reset status to state provided */
48805 - lmc_hssi_set_clock, /* set clock source */
48806 - lmc_dummy_set2_1, /* set line speed */
48807 - lmc_dummy_set_1, /* set cable length */
48808 - lmc_dummy_set_1, /* set scrambler */
48809 - lmc_hssi_get_link_status, /* get link status */
48810 - lmc_hssi_set_link_status, /* set link status */
48811 - lmc_hssi_set_crc_length, /* set CRC length */
48812 - lmc_dummy_set_1, /* set T1 or E1 circuit type */
48813 - lmc_hssi_watchdog
48814 + .init = lmc_hssi_init, /* special media init stuff */
48815 + .defaults = lmc_hssi_default, /* reset to default state */
48816 + .set_status = lmc_hssi_set_status, /* reset status to state provided */
48817 + .set_clock_source = lmc_hssi_set_clock, /* set clock source */
48818 + .set_speed = lmc_dummy_set2_1, /* set line speed */
48819 + .set_cable_length = lmc_dummy_set_1, /* set cable length */
48820 + .set_scrambler = lmc_dummy_set_1, /* set scrambler */
48821 + .get_link_status = lmc_hssi_get_link_status, /* get link status */
48822 + .set_link_status = lmc_hssi_set_link_status, /* set link status */
48823 + .set_crc_length = lmc_hssi_set_crc_length, /* set CRC length */
48824 + .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */
48825 + .watchdog = lmc_hssi_watchdog
48826 };
48827
48828 -lmc_media_t lmc_ssi_media = { lmc_ssi_init, /* special media init stuff */
48829 - lmc_ssi_default, /* reset to default state */
48830 - lmc_ssi_set_status, /* reset status to state provided */
48831 - lmc_ssi_set_clock, /* set clock source */
48832 - lmc_ssi_set_speed, /* set line speed */
48833 - lmc_dummy_set_1, /* set cable length */
48834 - lmc_dummy_set_1, /* set scrambler */
48835 - lmc_ssi_get_link_status, /* get link status */
48836 - lmc_ssi_set_link_status, /* set link status */
48837 - lmc_ssi_set_crc_length, /* set CRC length */
48838 - lmc_dummy_set_1, /* set T1 or E1 circuit type */
48839 - lmc_ssi_watchdog
48840 +lmc_media_t lmc_ssi_media = {
48841 + .init = lmc_ssi_init, /* special media init stuff */
48842 + .defaults = lmc_ssi_default, /* reset to default state */
48843 + .set_status = lmc_ssi_set_status, /* reset status to state provided */
48844 + .set_clock_source = lmc_ssi_set_clock, /* set clock source */
48845 + .set_speed = lmc_ssi_set_speed, /* set line speed */
48846 + .set_cable_length = lmc_dummy_set_1, /* set cable length */
48847 + .set_scrambler = lmc_dummy_set_1, /* set scrambler */
48848 + .get_link_status = lmc_ssi_get_link_status, /* get link status */
48849 + .set_link_status = lmc_ssi_set_link_status, /* set link status */
48850 + .set_crc_length = lmc_ssi_set_crc_length, /* set CRC length */
48851 + .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */
48852 + .watchdog = lmc_ssi_watchdog
48853 };
48854
48855 lmc_media_t lmc_t1_media = {
48856 - lmc_t1_init, /* special media init stuff */
48857 - lmc_t1_default, /* reset to default state */
48858 - lmc_t1_set_status, /* reset status to state provided */
48859 - lmc_t1_set_clock, /* set clock source */
48860 - lmc_dummy_set2_1, /* set line speed */
48861 - lmc_dummy_set_1, /* set cable length */
48862 - lmc_dummy_set_1, /* set scrambler */
48863 - lmc_t1_get_link_status, /* get link status */
48864 - lmc_dummy_set_1, /* set link status */
48865 - lmc_t1_set_crc_length, /* set CRC length */
48866 - lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */
48867 - lmc_t1_watchdog
48868 + .init = lmc_t1_init, /* special media init stuff */
48869 + .defaults = lmc_t1_default, /* reset to default state */
48870 + .set_status = lmc_t1_set_status, /* reset status to state provided */
48871 + .set_clock_source = lmc_t1_set_clock, /* set clock source */
48872 + .set_speed = lmc_dummy_set2_1, /* set line speed */
48873 + .set_cable_length = lmc_dummy_set_1, /* set cable length */
48874 + .set_scrambler = lmc_dummy_set_1, /* set scrambler */
48875 + .get_link_status = lmc_t1_get_link_status, /* get link status */
48876 + .set_link_status = lmc_dummy_set_1, /* set link status */
48877 + .set_crc_length = lmc_t1_set_crc_length, /* set CRC length */
48878 + .set_circuit_type = lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */
48879 + .watchdog = lmc_t1_watchdog
48880 };
48881
48882 static void
48883 diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
48884 index feacc3b..5bac0de 100644
48885 --- a/drivers/net/wan/z85230.c
48886 +++ b/drivers/net/wan/z85230.c
48887 @@ -485,9 +485,9 @@ static void z8530_status(struct z8530_channel *chan)
48888
48889 struct z8530_irqhandler z8530_sync =
48890 {
48891 - z8530_rx,
48892 - z8530_tx,
48893 - z8530_status
48894 + .rx = z8530_rx,
48895 + .tx = z8530_tx,
48896 + .status = z8530_status
48897 };
48898
48899 EXPORT_SYMBOL(z8530_sync);
48900 @@ -605,15 +605,15 @@ static void z8530_dma_status(struct z8530_channel *chan)
48901 }
48902
48903 static struct z8530_irqhandler z8530_dma_sync = {
48904 - z8530_dma_rx,
48905 - z8530_dma_tx,
48906 - z8530_dma_status
48907 + .rx = z8530_dma_rx,
48908 + .tx = z8530_dma_tx,
48909 + .status = z8530_dma_status
48910 };
48911
48912 static struct z8530_irqhandler z8530_txdma_sync = {
48913 - z8530_rx,
48914 - z8530_dma_tx,
48915 - z8530_dma_status
48916 + .rx = z8530_rx,
48917 + .tx = z8530_dma_tx,
48918 + .status = z8530_dma_status
48919 };
48920
48921 /**
48922 @@ -680,9 +680,9 @@ static void z8530_status_clear(struct z8530_channel *chan)
48923
48924 struct z8530_irqhandler z8530_nop=
48925 {
48926 - z8530_rx_clear,
48927 - z8530_tx_clear,
48928 - z8530_status_clear
48929 + .rx = z8530_rx_clear,
48930 + .tx = z8530_tx_clear,
48931 + .status = z8530_status_clear
48932 };
48933
48934
48935 diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
48936 index 0b60295..b8bfa5b 100644
48937 --- a/drivers/net/wimax/i2400m/rx.c
48938 +++ b/drivers/net/wimax/i2400m/rx.c
48939 @@ -1359,7 +1359,7 @@ int i2400m_rx_setup(struct i2400m *i2400m)
48940 if (i2400m->rx_roq == NULL)
48941 goto error_roq_alloc;
48942
48943 - rd = kcalloc(I2400M_RO_CIN + 1, sizeof(*i2400m->rx_roq[0].log),
48944 + rd = kcalloc(sizeof(*i2400m->rx_roq[0].log), I2400M_RO_CIN + 1,
48945 GFP_KERNEL);
48946 if (rd == NULL) {
48947 result = -ENOMEM;
48948 diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
48949 index e71a2ce..2268d61 100644
48950 --- a/drivers/net/wireless/airo.c
48951 +++ b/drivers/net/wireless/airo.c
48952 @@ -7846,7 +7846,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) {
48953 struct airo_info *ai = dev->ml_priv;
48954 int ridcode;
48955 int enabled;
48956 - static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
48957 + int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
48958 unsigned char *iobuf;
48959
48960 /* Only super-user can write RIDs */
48961 diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
48962 index da92bfa..5a9001a 100644
48963 --- a/drivers/net/wireless/at76c50x-usb.c
48964 +++ b/drivers/net/wireless/at76c50x-usb.c
48965 @@ -353,7 +353,7 @@ static int at76_dfu_get_state(struct usb_device *udev, u8 *state)
48966 }
48967
48968 /* Convert timeout from the DFU status to jiffies */
48969 -static inline unsigned long at76_get_timeout(struct dfu_status *s)
48970 +static inline unsigned long __intentional_overflow(-1) at76_get_timeout(struct dfu_status *s)
48971 {
48972 return msecs_to_jiffies((s->poll_timeout[2] << 16)
48973 | (s->poll_timeout[1] << 8)
48974 diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
48975 index 676bd4e..0b807a3 100644
48976 --- a/drivers/net/wireless/ath/ath10k/htc.c
48977 +++ b/drivers/net/wireless/ath/ath10k/htc.c
48978 @@ -848,7 +848,10 @@ int ath10k_htc_start(struct ath10k_htc *htc)
48979 /* registered target arrival callback from the HIF layer */
48980 int ath10k_htc_init(struct ath10k *ar)
48981 {
48982 - struct ath10k_hif_cb htc_callbacks;
48983 + static struct ath10k_hif_cb htc_callbacks = {
48984 + .rx_completion = ath10k_htc_rx_completion_handler,
48985 + .tx_completion = ath10k_htc_tx_completion_handler,
48986 + };
48987 struct ath10k_htc_ep *ep = NULL;
48988 struct ath10k_htc *htc = &ar->htc;
48989
48990 @@ -857,8 +860,6 @@ int ath10k_htc_init(struct ath10k *ar)
48991 ath10k_htc_reset_endpoint_states(htc);
48992
48993 /* setup HIF layer callbacks */
48994 - htc_callbacks.rx_completion = ath10k_htc_rx_completion_handler;
48995 - htc_callbacks.tx_completion = ath10k_htc_tx_completion_handler;
48996 htc->ar = ar;
48997
48998 /* Get HIF default pipe for HTC message exchange */
48999 diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h
49000 index 527179c..a890150 100644
49001 --- a/drivers/net/wireless/ath/ath10k/htc.h
49002 +++ b/drivers/net/wireless/ath/ath10k/htc.h
49003 @@ -270,13 +270,13 @@ enum ath10k_htc_ep_id {
49004
49005 struct ath10k_htc_ops {
49006 void (*target_send_suspend_complete)(struct ath10k *ar);
49007 -};
49008 +} __no_const;
49009
49010 struct ath10k_htc_ep_ops {
49011 void (*ep_tx_complete)(struct ath10k *, struct sk_buff *);
49012 void (*ep_rx_complete)(struct ath10k *, struct sk_buff *);
49013 void (*ep_tx_credits)(struct ath10k *);
49014 -};
49015 +} __no_const;
49016
49017 /* service connection information */
49018 struct ath10k_htc_svc_conn_req {
49019 diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
49020 index 2a93519..7052786 100644
49021 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
49022 +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
49023 @@ -220,8 +220,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49024 ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
49025 ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
49026
49027 - ACCESS_ONCE(ads->ds_link) = i->link;
49028 - ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];
49029 + ACCESS_ONCE_RW(ads->ds_link) = i->link;
49030 + ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0];
49031
49032 ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
49033 ctl6 = SM(i->keytype, AR_EncrType);
49034 @@ -235,26 +235,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49035
49036 if ((i->is_first || i->is_last) &&
49037 i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
49038 - ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
49039 + ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0)
49040 | set11nTries(i->rates, 1)
49041 | set11nTries(i->rates, 2)
49042 | set11nTries(i->rates, 3)
49043 | (i->dur_update ? AR_DurUpdateEna : 0)
49044 | SM(0, AR_BurstDur);
49045
49046 - ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
49047 + ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0)
49048 | set11nRate(i->rates, 1)
49049 | set11nRate(i->rates, 2)
49050 | set11nRate(i->rates, 3);
49051 } else {
49052 - ACCESS_ONCE(ads->ds_ctl2) = 0;
49053 - ACCESS_ONCE(ads->ds_ctl3) = 0;
49054 + ACCESS_ONCE_RW(ads->ds_ctl2) = 0;
49055 + ACCESS_ONCE_RW(ads->ds_ctl3) = 0;
49056 }
49057
49058 if (!i->is_first) {
49059 - ACCESS_ONCE(ads->ds_ctl0) = 0;
49060 - ACCESS_ONCE(ads->ds_ctl1) = ctl1;
49061 - ACCESS_ONCE(ads->ds_ctl6) = ctl6;
49062 + ACCESS_ONCE_RW(ads->ds_ctl0) = 0;
49063 + ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
49064 + ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
49065 return;
49066 }
49067
49068 @@ -279,7 +279,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49069 break;
49070 }
49071
49072 - ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
49073 + ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
49074 | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
49075 | SM(i->txpower, AR_XmitPower0)
49076 | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
49077 @@ -289,27 +289,27 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49078 | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
49079 (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
49080
49081 - ACCESS_ONCE(ads->ds_ctl1) = ctl1;
49082 - ACCESS_ONCE(ads->ds_ctl6) = ctl6;
49083 + ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1;
49084 + ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6;
49085
49086 if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
49087 return;
49088
49089 - ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
49090 + ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
49091 | set11nPktDurRTSCTS(i->rates, 1);
49092
49093 - ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
49094 + ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
49095 | set11nPktDurRTSCTS(i->rates, 3);
49096
49097 - ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
49098 + ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
49099 | set11nRateFlags(i->rates, 1)
49100 | set11nRateFlags(i->rates, 2)
49101 | set11nRateFlags(i->rates, 3)
49102 | SM(i->rtscts_rate, AR_RTSCTSRate);
49103
49104 - ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
49105 - ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
49106 - ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
49107 + ACCESS_ONCE_RW(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
49108 + ACCESS_ONCE_RW(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
49109 + ACCESS_ONCE_RW(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
49110 }
49111
49112 static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
49113 diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
49114 index 057b165..98ae88f 100644
49115 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
49116 +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
49117 @@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49118 (i->qcu << AR_TxQcuNum_S) | desc_len;
49119
49120 checksum += val;
49121 - ACCESS_ONCE(ads->info) = val;
49122 + ACCESS_ONCE_RW(ads->info) = val;
49123
49124 checksum += i->link;
49125 - ACCESS_ONCE(ads->link) = i->link;
49126 + ACCESS_ONCE_RW(ads->link) = i->link;
49127
49128 checksum += i->buf_addr[0];
49129 - ACCESS_ONCE(ads->data0) = i->buf_addr[0];
49130 + ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0];
49131 checksum += i->buf_addr[1];
49132 - ACCESS_ONCE(ads->data1) = i->buf_addr[1];
49133 + ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1];
49134 checksum += i->buf_addr[2];
49135 - ACCESS_ONCE(ads->data2) = i->buf_addr[2];
49136 + ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2];
49137 checksum += i->buf_addr[3];
49138 - ACCESS_ONCE(ads->data3) = i->buf_addr[3];
49139 + ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3];
49140
49141 checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
49142 - ACCESS_ONCE(ads->ctl3) = val;
49143 + ACCESS_ONCE_RW(ads->ctl3) = val;
49144 checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
49145 - ACCESS_ONCE(ads->ctl5) = val;
49146 + ACCESS_ONCE_RW(ads->ctl5) = val;
49147 checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
49148 - ACCESS_ONCE(ads->ctl7) = val;
49149 + ACCESS_ONCE_RW(ads->ctl7) = val;
49150 checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
49151 - ACCESS_ONCE(ads->ctl9) = val;
49152 + ACCESS_ONCE_RW(ads->ctl9) = val;
49153
49154 checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
49155 - ACCESS_ONCE(ads->ctl10) = checksum;
49156 + ACCESS_ONCE_RW(ads->ctl10) = checksum;
49157
49158 if (i->is_first || i->is_last) {
49159 - ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
49160 + ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0)
49161 | set11nTries(i->rates, 1)
49162 | set11nTries(i->rates, 2)
49163 | set11nTries(i->rates, 3)
49164 | (i->dur_update ? AR_DurUpdateEna : 0)
49165 | SM(0, AR_BurstDur);
49166
49167 - ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
49168 + ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0)
49169 | set11nRate(i->rates, 1)
49170 | set11nRate(i->rates, 2)
49171 | set11nRate(i->rates, 3);
49172 } else {
49173 - ACCESS_ONCE(ads->ctl13) = 0;
49174 - ACCESS_ONCE(ads->ctl14) = 0;
49175 + ACCESS_ONCE_RW(ads->ctl13) = 0;
49176 + ACCESS_ONCE_RW(ads->ctl14) = 0;
49177 }
49178
49179 ads->ctl20 = 0;
49180 @@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49181
49182 ctl17 = SM(i->keytype, AR_EncrType);
49183 if (!i->is_first) {
49184 - ACCESS_ONCE(ads->ctl11) = 0;
49185 - ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
49186 - ACCESS_ONCE(ads->ctl15) = 0;
49187 - ACCESS_ONCE(ads->ctl16) = 0;
49188 - ACCESS_ONCE(ads->ctl17) = ctl17;
49189 - ACCESS_ONCE(ads->ctl18) = 0;
49190 - ACCESS_ONCE(ads->ctl19) = 0;
49191 + ACCESS_ONCE_RW(ads->ctl11) = 0;
49192 + ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
49193 + ACCESS_ONCE_RW(ads->ctl15) = 0;
49194 + ACCESS_ONCE_RW(ads->ctl16) = 0;
49195 + ACCESS_ONCE_RW(ads->ctl17) = ctl17;
49196 + ACCESS_ONCE_RW(ads->ctl18) = 0;
49197 + ACCESS_ONCE_RW(ads->ctl19) = 0;
49198 return;
49199 }
49200
49201 - ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
49202 + ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen)
49203 | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
49204 | SM(i->txpower, AR_XmitPower0)
49205 | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
49206 @@ -135,26 +135,26 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
49207 val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
49208 ctl12 |= SM(val, AR_PAPRDChainMask);
49209
49210 - ACCESS_ONCE(ads->ctl12) = ctl12;
49211 - ACCESS_ONCE(ads->ctl17) = ctl17;
49212 + ACCESS_ONCE_RW(ads->ctl12) = ctl12;
49213 + ACCESS_ONCE_RW(ads->ctl17) = ctl17;
49214
49215 - ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
49216 + ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
49217 | set11nPktDurRTSCTS(i->rates, 1);
49218
49219 - ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
49220 + ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
49221 | set11nPktDurRTSCTS(i->rates, 3);
49222
49223 - ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
49224 + ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0)
49225 | set11nRateFlags(i->rates, 1)
49226 | set11nRateFlags(i->rates, 2)
49227 | set11nRateFlags(i->rates, 3)
49228 | SM(i->rtscts_rate, AR_RTSCTSRate);
49229
49230 - ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
49231 + ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding;
49232
49233 - ACCESS_ONCE(ads->ctl20) = SM(i->txpower, AR_XmitPower1);
49234 - ACCESS_ONCE(ads->ctl21) = SM(i->txpower, AR_XmitPower2);
49235 - ACCESS_ONCE(ads->ctl22) = SM(i->txpower, AR_XmitPower3);
49236 + ACCESS_ONCE_RW(ads->ctl20) = SM(i->txpower, AR_XmitPower1);
49237 + ACCESS_ONCE_RW(ads->ctl21) = SM(i->txpower, AR_XmitPower2);
49238 + ACCESS_ONCE_RW(ads->ctl22) = SM(i->txpower, AR_XmitPower3);
49239 }
49240
49241 static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
49242 diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
49243 index e8e8dd2..030f80e 100644
49244 --- a/drivers/net/wireless/ath/ath9k/hw.h
49245 +++ b/drivers/net/wireless/ath/ath9k/hw.h
49246 @@ -630,7 +630,7 @@ struct ath_hw_private_ops {
49247
49248 /* ANI */
49249 void (*ani_cache_ini_regs)(struct ath_hw *ah);
49250 -};
49251 +} __no_const;
49252
49253 /**
49254 * struct ath_spec_scan - parameters for Atheros spectral scan
49255 @@ -708,7 +708,7 @@ struct ath_hw_ops {
49256 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
49257 void (*set_bt_ant_diversity)(struct ath_hw *hw, bool enable);
49258 #endif
49259 -};
49260 +} __no_const;
49261
49262 struct ath_nf_limits {
49263 s16 max;
49264 diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
49265 index 4f18a6b..b07d92f 100644
49266 --- a/drivers/net/wireless/ath/ath9k/main.c
49267 +++ b/drivers/net/wireless/ath/ath9k/main.c
49268 @@ -2454,16 +2454,18 @@ void ath9k_fill_chanctx_ops(void)
49269 if (!ath9k_is_chanctx_enabled())
49270 return;
49271
49272 - ath9k_ops.hw_scan = ath9k_hw_scan;
49273 - ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan;
49274 - ath9k_ops.remain_on_channel = ath9k_remain_on_channel;
49275 - ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel;
49276 - ath9k_ops.add_chanctx = ath9k_add_chanctx;
49277 - ath9k_ops.remove_chanctx = ath9k_remove_chanctx;
49278 - ath9k_ops.change_chanctx = ath9k_change_chanctx;
49279 - ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx;
49280 - ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx;
49281 - ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx;
49282 + pax_open_kernel();
49283 + *(void **)&ath9k_ops.hw_scan = ath9k_hw_scan;
49284 + *(void **)&ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan;
49285 + *(void **)&ath9k_ops.remain_on_channel = ath9k_remain_on_channel;
49286 + *(void **)&ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel;
49287 + *(void **)&ath9k_ops.add_chanctx = ath9k_add_chanctx;
49288 + *(void **)&ath9k_ops.remove_chanctx = ath9k_remove_chanctx;
49289 + *(void **)&ath9k_ops.change_chanctx = ath9k_change_chanctx;
49290 + *(void **)&ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx;
49291 + *(void **)&ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx;
49292 + *(void **)&ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx;
49293 + pax_close_kernel();
49294 }
49295
49296 #endif
49297 diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
49298 index 058a9f2..d5cb1ba 100644
49299 --- a/drivers/net/wireless/b43/phy_lp.c
49300 +++ b/drivers/net/wireless/b43/phy_lp.c
49301 @@ -2502,7 +2502,7 @@ static int lpphy_b2063_tune(struct b43_wldev *dev,
49302 {
49303 struct ssb_bus *bus = dev->dev->sdev->bus;
49304
49305 - static const struct b206x_channel *chandata = NULL;
49306 + const struct b206x_channel *chandata = NULL;
49307 u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000;
49308 u32 freqref, vco_freq, val1, val2, val3, timeout, timeoutref, count;
49309 u16 old_comm15, scale;
49310 diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
49311 index dc1d20c..f7a4f06 100644
49312 --- a/drivers/net/wireless/iwlegacy/3945-mac.c
49313 +++ b/drivers/net/wireless/iwlegacy/3945-mac.c
49314 @@ -3633,7 +3633,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
49315 */
49316 if (il3945_mod_params.disable_hw_scan) {
49317 D_INFO("Disabling hw_scan\n");
49318 - il3945_mac_ops.hw_scan = NULL;
49319 + pax_open_kernel();
49320 + *(void **)&il3945_mac_ops.hw_scan = NULL;
49321 + pax_close_kernel();
49322 }
49323
49324 D_INFO("*** LOAD DRIVER ***\n");
49325 diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
49326 index 0ffb6ff..c0b7f0e 100644
49327 --- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
49328 +++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
49329 @@ -188,7 +188,7 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file,
49330 {
49331 struct iwl_priv *priv = file->private_data;
49332 char buf[64];
49333 - int buf_size;
49334 + size_t buf_size;
49335 u32 offset, len;
49336
49337 memset(buf, 0, sizeof(buf));
49338 @@ -458,7 +458,7 @@ static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
49339 struct iwl_priv *priv = file->private_data;
49340
49341 char buf[8];
49342 - int buf_size;
49343 + size_t buf_size;
49344 u32 reset_flag;
49345
49346 memset(buf, 0, sizeof(buf));
49347 @@ -539,7 +539,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
49348 {
49349 struct iwl_priv *priv = file->private_data;
49350 char buf[8];
49351 - int buf_size;
49352 + size_t buf_size;
49353 int ht40;
49354
49355 memset(buf, 0, sizeof(buf));
49356 @@ -591,7 +591,7 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
49357 {
49358 struct iwl_priv *priv = file->private_data;
49359 char buf[8];
49360 - int buf_size;
49361 + size_t buf_size;
49362 int value;
49363
49364 memset(buf, 0, sizeof(buf));
49365 @@ -683,10 +683,10 @@ DEBUGFS_READ_FILE_OPS(temperature);
49366 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
49367 DEBUGFS_READ_FILE_OPS(current_sleep_command);
49368
49369 -static const char *fmt_value = " %-30s %10u\n";
49370 -static const char *fmt_hex = " %-30s 0x%02X\n";
49371 -static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
49372 -static const char *fmt_header =
49373 +static const char fmt_value[] = " %-30s %10u\n";
49374 +static const char fmt_hex[] = " %-30s 0x%02X\n";
49375 +static const char fmt_table[] = " %-30s %10u %10u %10u %10u\n";
49376 +static const char fmt_header[] =
49377 "%-32s current cumulative delta max\n";
49378
49379 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
49380 @@ -1856,7 +1856,7 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
49381 {
49382 struct iwl_priv *priv = file->private_data;
49383 char buf[8];
49384 - int buf_size;
49385 + size_t buf_size;
49386 int clear;
49387
49388 memset(buf, 0, sizeof(buf));
49389 @@ -1901,7 +1901,7 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
49390 {
49391 struct iwl_priv *priv = file->private_data;
49392 char buf[8];
49393 - int buf_size;
49394 + size_t buf_size;
49395 int trace;
49396
49397 memset(buf, 0, sizeof(buf));
49398 @@ -1972,7 +1972,7 @@ static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
49399 {
49400 struct iwl_priv *priv = file->private_data;
49401 char buf[8];
49402 - int buf_size;
49403 + size_t buf_size;
49404 int missed;
49405
49406 memset(buf, 0, sizeof(buf));
49407 @@ -2013,7 +2013,7 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
49408
49409 struct iwl_priv *priv = file->private_data;
49410 char buf[8];
49411 - int buf_size;
49412 + size_t buf_size;
49413 int plcp;
49414
49415 memset(buf, 0, sizeof(buf));
49416 @@ -2073,7 +2073,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
49417
49418 struct iwl_priv *priv = file->private_data;
49419 char buf[8];
49420 - int buf_size;
49421 + size_t buf_size;
49422 int flush;
49423
49424 memset(buf, 0, sizeof(buf));
49425 @@ -2163,7 +2163,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
49426
49427 struct iwl_priv *priv = file->private_data;
49428 char buf[8];
49429 - int buf_size;
49430 + size_t buf_size;
49431 int rts;
49432
49433 if (!priv->cfg->ht_params)
49434 @@ -2204,7 +2204,7 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
49435 {
49436 struct iwl_priv *priv = file->private_data;
49437 char buf[8];
49438 - int buf_size;
49439 + size_t buf_size;
49440
49441 memset(buf, 0, sizeof(buf));
49442 buf_size = min(count, sizeof(buf) - 1);
49443 @@ -2238,7 +2238,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file,
49444 struct iwl_priv *priv = file->private_data;
49445 u32 event_log_flag;
49446 char buf[8];
49447 - int buf_size;
49448 + size_t buf_size;
49449
49450 /* check that the interface is up */
49451 if (!iwl_is_ready(priv))
49452 @@ -2292,7 +2292,7 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
49453 struct iwl_priv *priv = file->private_data;
49454 char buf[8];
49455 u32 calib_disabled;
49456 - int buf_size;
49457 + size_t buf_size;
49458
49459 memset(buf, 0, sizeof(buf));
49460 buf_size = min(count, sizeof(buf) - 1);
49461 diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
49462 index dd2f3f8..fb1ae88 100644
49463 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c
49464 +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
49465 @@ -1689,7 +1689,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
49466 struct isr_statistics *isr_stats = &trans_pcie->isr_stats;
49467
49468 char buf[8];
49469 - int buf_size;
49470 + size_t buf_size;
49471 u32 reset_flag;
49472
49473 memset(buf, 0, sizeof(buf));
49474 @@ -1710,7 +1710,7 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file,
49475 {
49476 struct iwl_trans *trans = file->private_data;
49477 char buf[8];
49478 - int buf_size;
49479 + size_t buf_size;
49480 int csr;
49481
49482 memset(buf, 0, sizeof(buf));
49483 diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
49484 index c9ad4cf..49a2fa0 100644
49485 --- a/drivers/net/wireless/mac80211_hwsim.c
49486 +++ b/drivers/net/wireless/mac80211_hwsim.c
49487 @@ -2577,20 +2577,20 @@ static int __init init_mac80211_hwsim(void)
49488 if (channels < 1)
49489 return -EINVAL;
49490
49491 - mac80211_hwsim_mchan_ops = mac80211_hwsim_ops;
49492 - mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan;
49493 - mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan;
49494 - mac80211_hwsim_mchan_ops.sw_scan_start = NULL;
49495 - mac80211_hwsim_mchan_ops.sw_scan_complete = NULL;
49496 - mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc;
49497 - mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc;
49498 - mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx;
49499 - mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx;
49500 - mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx;
49501 - mac80211_hwsim_mchan_ops.assign_vif_chanctx =
49502 - mac80211_hwsim_assign_vif_chanctx;
49503 - mac80211_hwsim_mchan_ops.unassign_vif_chanctx =
49504 - mac80211_hwsim_unassign_vif_chanctx;
49505 + pax_open_kernel();
49506 + memcpy((void *)&mac80211_hwsim_mchan_ops, &mac80211_hwsim_ops, sizeof mac80211_hwsim_mchan_ops);
49507 + *(void **)&mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan;
49508 + *(void **)&mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan;
49509 + *(void **)&mac80211_hwsim_mchan_ops.sw_scan_start = NULL;
49510 + *(void **)&mac80211_hwsim_mchan_ops.sw_scan_complete = NULL;
49511 + *(void **)&mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc;
49512 + *(void **)&mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc;
49513 + *(void **)&mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx;
49514 + *(void **)&mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx;
49515 + *(void **)&mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx;
49516 + *(void **)&mac80211_hwsim_mchan_ops.assign_vif_chanctx = mac80211_hwsim_assign_vif_chanctx;
49517 + *(void **)&mac80211_hwsim_mchan_ops.unassign_vif_chanctx = mac80211_hwsim_unassign_vif_chanctx;
49518 + pax_close_kernel();
49519
49520 spin_lock_init(&hwsim_radio_lock);
49521 INIT_LIST_HEAD(&hwsim_radios);
49522 diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
49523 index 1a4facd..a2ecbbd 100644
49524 --- a/drivers/net/wireless/rndis_wlan.c
49525 +++ b/drivers/net/wireless/rndis_wlan.c
49526 @@ -1236,7 +1236,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
49527
49528 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
49529
49530 - if (rts_threshold < 0 || rts_threshold > 2347)
49531 + if (rts_threshold > 2347)
49532 rts_threshold = 2347;
49533
49534 tmp = cpu_to_le32(rts_threshold);
49535 diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
49536 index d13f25c..2573994 100644
49537 --- a/drivers/net/wireless/rt2x00/rt2x00.h
49538 +++ b/drivers/net/wireless/rt2x00/rt2x00.h
49539 @@ -375,7 +375,7 @@ struct rt2x00_intf {
49540 * for hardware which doesn't support hardware
49541 * sequence counting.
49542 */
49543 - atomic_t seqno;
49544 + atomic_unchecked_t seqno;
49545 };
49546
49547 static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
49548 diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
49549 index 66ff364..3ce34f7 100644
49550 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c
49551 +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
49552 @@ -224,9 +224,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
49553 * sequence counter given by mac80211.
49554 */
49555 if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
49556 - seqno = atomic_add_return(0x10, &intf->seqno);
49557 + seqno = atomic_add_return_unchecked(0x10, &intf->seqno);
49558 else
49559 - seqno = atomic_read(&intf->seqno);
49560 + seqno = atomic_read_unchecked(&intf->seqno);
49561
49562 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
49563 hdr->seq_ctrl |= cpu_to_le16(seqno);
49564 diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c
49565 index b661f896..ddf7d2b 100644
49566 --- a/drivers/net/wireless/ti/wl1251/sdio.c
49567 +++ b/drivers/net/wireless/ti/wl1251/sdio.c
49568 @@ -282,13 +282,17 @@ static int wl1251_sdio_probe(struct sdio_func *func,
49569
49570 irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
49571
49572 - wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
49573 - wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;
49574 + pax_open_kernel();
49575 + *(void **)&wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
49576 + *(void **)&wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;
49577 + pax_close_kernel();
49578
49579 wl1251_info("using dedicated interrupt line");
49580 } else {
49581 - wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
49582 - wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;
49583 + pax_open_kernel();
49584 + *(void **)&wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
49585 + *(void **)&wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;
49586 + pax_close_kernel();
49587
49588 wl1251_info("using SDIO interrupt");
49589 }
49590 diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
49591 index 0bccf12..3d95068 100644
49592 --- a/drivers/net/wireless/ti/wl12xx/main.c
49593 +++ b/drivers/net/wireless/ti/wl12xx/main.c
49594 @@ -656,7 +656,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
49595 sizeof(wl->conf.mem));
49596
49597 /* read data preparation is only needed by wl127x */
49598 - wl->ops->prepare_read = wl127x_prepare_read;
49599 + pax_open_kernel();
49600 + *(void **)&wl->ops->prepare_read = wl127x_prepare_read;
49601 + pax_close_kernel();
49602
49603 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER,
49604 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER,
49605 @@ -681,7 +683,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
49606 sizeof(wl->conf.mem));
49607
49608 /* read data preparation is only needed by wl127x */
49609 - wl->ops->prepare_read = wl127x_prepare_read;
49610 + pax_open_kernel();
49611 + *(void **)&wl->ops->prepare_read = wl127x_prepare_read;
49612 + pax_close_kernel();
49613
49614 wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER,
49615 WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER,
49616 diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
49617 index 7af1936..128bb35 100644
49618 --- a/drivers/net/wireless/ti/wl18xx/main.c
49619 +++ b/drivers/net/wireless/ti/wl18xx/main.c
49620 @@ -1916,8 +1916,10 @@ static int wl18xx_setup(struct wl1271 *wl)
49621 }
49622
49623 if (!checksum_param) {
49624 - wl18xx_ops.set_rx_csum = NULL;
49625 - wl18xx_ops.init_vif = NULL;
49626 + pax_open_kernel();
49627 + *(void **)&wl18xx_ops.set_rx_csum = NULL;
49628 + *(void **)&wl18xx_ops.init_vif = NULL;
49629 + pax_close_kernel();
49630 }
49631
49632 /* Enable 11a Band only if we have 5G antennas */
49633 diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
49634 index a912dc0..a8225ba 100644
49635 --- a/drivers/net/wireless/zd1211rw/zd_usb.c
49636 +++ b/drivers/net/wireless/zd1211rw/zd_usb.c
49637 @@ -385,7 +385,7 @@ static inline void handle_regs_int(struct urb *urb)
49638 {
49639 struct zd_usb *usb = urb->context;
49640 struct zd_usb_interrupt *intr = &usb->intr;
49641 - int len;
49642 + unsigned int len;
49643 u16 int_num;
49644
49645 ZD_ASSERT(in_interrupt());
49646 diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c
49647 index 683671a..4519fc2 100644
49648 --- a/drivers/nfc/nfcwilink.c
49649 +++ b/drivers/nfc/nfcwilink.c
49650 @@ -497,7 +497,7 @@ static struct nci_ops nfcwilink_ops = {
49651
49652 static int nfcwilink_probe(struct platform_device *pdev)
49653 {
49654 - static struct nfcwilink *drv;
49655 + struct nfcwilink *drv;
49656 int rc;
49657 __u32 protocols;
49658
49659 diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
49660 index d93b2b6..ae50401 100644
49661 --- a/drivers/oprofile/buffer_sync.c
49662 +++ b/drivers/oprofile/buffer_sync.c
49663 @@ -332,7 +332,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm)
49664 if (cookie == NO_COOKIE)
49665 offset = pc;
49666 if (cookie == INVALID_COOKIE) {
49667 - atomic_inc(&oprofile_stats.sample_lost_no_mapping);
49668 + atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
49669 offset = pc;
49670 }
49671 if (cookie != last_cookie) {
49672 @@ -376,14 +376,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel)
49673 /* add userspace sample */
49674
49675 if (!mm) {
49676 - atomic_inc(&oprofile_stats.sample_lost_no_mm);
49677 + atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm);
49678 return 0;
49679 }
49680
49681 cookie = lookup_dcookie(mm, s->eip, &offset);
49682
49683 if (cookie == INVALID_COOKIE) {
49684 - atomic_inc(&oprofile_stats.sample_lost_no_mapping);
49685 + atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping);
49686 return 0;
49687 }
49688
49689 @@ -552,7 +552,7 @@ void sync_buffer(int cpu)
49690 /* ignore backtraces if failed to add a sample */
49691 if (state == sb_bt_start) {
49692 state = sb_bt_ignore;
49693 - atomic_inc(&oprofile_stats.bt_lost_no_mapping);
49694 + atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping);
49695 }
49696 }
49697 release_mm(mm);
49698 diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
49699 index c0cc4e7..44d4e54 100644
49700 --- a/drivers/oprofile/event_buffer.c
49701 +++ b/drivers/oprofile/event_buffer.c
49702 @@ -53,7 +53,7 @@ void add_event_entry(unsigned long value)
49703 }
49704
49705 if (buffer_pos == buffer_size) {
49706 - atomic_inc(&oprofile_stats.event_lost_overflow);
49707 + atomic_inc_unchecked(&oprofile_stats.event_lost_overflow);
49708 return;
49709 }
49710
49711 diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
49712 index ed2c3ec..deda85a 100644
49713 --- a/drivers/oprofile/oprof.c
49714 +++ b/drivers/oprofile/oprof.c
49715 @@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work)
49716 if (oprofile_ops.switch_events())
49717 return;
49718
49719 - atomic_inc(&oprofile_stats.multiplex_counter);
49720 + atomic_inc_unchecked(&oprofile_stats.multiplex_counter);
49721 start_switch_worker();
49722 }
49723
49724 diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
49725 index ee2cfce..7f8f699 100644
49726 --- a/drivers/oprofile/oprofile_files.c
49727 +++ b/drivers/oprofile/oprofile_files.c
49728 @@ -27,7 +27,7 @@ unsigned long oprofile_time_slice;
49729
49730 #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
49731
49732 -static ssize_t timeout_read(struct file *file, char __user *buf,
49733 +static ssize_t __intentional_overflow(-1) timeout_read(struct file *file, char __user *buf,
49734 size_t count, loff_t *offset)
49735 {
49736 return oprofilefs_ulong_to_user(jiffies_to_msecs(oprofile_time_slice),
49737 diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
49738 index 59659ce..6c860a0 100644
49739 --- a/drivers/oprofile/oprofile_stats.c
49740 +++ b/drivers/oprofile/oprofile_stats.c
49741 @@ -30,11 +30,11 @@ void oprofile_reset_stats(void)
49742 cpu_buf->sample_invalid_eip = 0;
49743 }
49744
49745 - atomic_set(&oprofile_stats.sample_lost_no_mm, 0);
49746 - atomic_set(&oprofile_stats.sample_lost_no_mapping, 0);
49747 - atomic_set(&oprofile_stats.event_lost_overflow, 0);
49748 - atomic_set(&oprofile_stats.bt_lost_no_mapping, 0);
49749 - atomic_set(&oprofile_stats.multiplex_counter, 0);
49750 + atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0);
49751 + atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0);
49752 + atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0);
49753 + atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0);
49754 + atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0);
49755 }
49756
49757
49758 diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h
49759 index 1fc622b..8c48fc3 100644
49760 --- a/drivers/oprofile/oprofile_stats.h
49761 +++ b/drivers/oprofile/oprofile_stats.h
49762 @@ -13,11 +13,11 @@
49763 #include <linux/atomic.h>
49764
49765 struct oprofile_stat_struct {
49766 - atomic_t sample_lost_no_mm;
49767 - atomic_t sample_lost_no_mapping;
49768 - atomic_t bt_lost_no_mapping;
49769 - atomic_t event_lost_overflow;
49770 - atomic_t multiplex_counter;
49771 + atomic_unchecked_t sample_lost_no_mm;
49772 + atomic_unchecked_t sample_lost_no_mapping;
49773 + atomic_unchecked_t bt_lost_no_mapping;
49774 + atomic_unchecked_t event_lost_overflow;
49775 + atomic_unchecked_t multiplex_counter;
49776 };
49777
49778 extern struct oprofile_stat_struct oprofile_stats;
49779 diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
49780 index 3f49345..c750d0b 100644
49781 --- a/drivers/oprofile/oprofilefs.c
49782 +++ b/drivers/oprofile/oprofilefs.c
49783 @@ -176,8 +176,8 @@ int oprofilefs_create_ro_ulong(struct dentry *root,
49784
49785 static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset)
49786 {
49787 - atomic_t *val = file->private_data;
49788 - return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset);
49789 + atomic_unchecked_t *val = file->private_data;
49790 + return oprofilefs_ulong_to_user(atomic_read_unchecked(val), buf, count, offset);
49791 }
49792
49793
49794 @@ -189,7 +189,7 @@ static const struct file_operations atomic_ro_fops = {
49795
49796
49797 int oprofilefs_create_ro_atomic(struct dentry *root,
49798 - char const *name, atomic_t *val)
49799 + char const *name, atomic_unchecked_t *val)
49800 {
49801 return __oprofilefs_create_file(root, name,
49802 &atomic_ro_fops, 0444, val);
49803 diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
49804 index bdef916..88c7dee 100644
49805 --- a/drivers/oprofile/timer_int.c
49806 +++ b/drivers/oprofile/timer_int.c
49807 @@ -93,7 +93,7 @@ static int oprofile_cpu_notify(struct notifier_block *self,
49808 return NOTIFY_OK;
49809 }
49810
49811 -static struct notifier_block __refdata oprofile_cpu_notifier = {
49812 +static struct notifier_block oprofile_cpu_notifier = {
49813 .notifier_call = oprofile_cpu_notify,
49814 };
49815
49816 diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
49817 index 3b47080..6cd05dd 100644
49818 --- a/drivers/parport/procfs.c
49819 +++ b/drivers/parport/procfs.c
49820 @@ -64,7 +64,7 @@ static int do_active_device(struct ctl_table *table, int write,
49821
49822 *ppos += len;
49823
49824 - return copy_to_user(result, buffer, len) ? -EFAULT : 0;
49825 + return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0;
49826 }
49827
49828 #ifdef CONFIG_PARPORT_1284
49829 @@ -106,7 +106,7 @@ static int do_autoprobe(struct ctl_table *table, int write,
49830
49831 *ppos += len;
49832
49833 - return copy_to_user (result, buffer, len) ? -EFAULT : 0;
49834 + return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0;
49835 }
49836 #endif /* IEEE1284.3 support. */
49837
49838 diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
49839 index 6ca2399..68d866b 100644
49840 --- a/drivers/pci/hotplug/acpiphp_ibm.c
49841 +++ b/drivers/pci/hotplug/acpiphp_ibm.c
49842 @@ -452,7 +452,9 @@ static int __init ibm_acpiphp_init(void)
49843 goto init_cleanup;
49844 }
49845
49846 - ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL);
49847 + pax_open_kernel();
49848 + *(size_t *)&ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL);
49849 + pax_close_kernel();
49850 retval = sysfs_create_bin_file(sysdir, &ibm_apci_table_attr);
49851
49852 return retval;
49853 diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c
49854 index 66b7bbe..26bee78 100644
49855 --- a/drivers/pci/hotplug/cpcihp_generic.c
49856 +++ b/drivers/pci/hotplug/cpcihp_generic.c
49857 @@ -73,7 +73,6 @@ static u16 port;
49858 static unsigned int enum_bit;
49859 static u8 enum_mask;
49860
49861 -static struct cpci_hp_controller_ops generic_hpc_ops;
49862 static struct cpci_hp_controller generic_hpc;
49863
49864 static int __init validate_parameters(void)
49865 @@ -139,6 +138,10 @@ static int query_enum(void)
49866 return ((value & enum_mask) == enum_mask);
49867 }
49868
49869 +static struct cpci_hp_controller_ops generic_hpc_ops = {
49870 + .query_enum = query_enum,
49871 +};
49872 +
49873 static int __init cpcihp_generic_init(void)
49874 {
49875 int status;
49876 @@ -165,7 +168,6 @@ static int __init cpcihp_generic_init(void)
49877 pci_dev_put(dev);
49878
49879 memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller));
49880 - generic_hpc_ops.query_enum = query_enum;
49881 generic_hpc.ops = &generic_hpc_ops;
49882
49883 status = cpci_hp_register_controller(&generic_hpc);
49884 diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
49885 index 7ecf34e..effed62 100644
49886 --- a/drivers/pci/hotplug/cpcihp_zt5550.c
49887 +++ b/drivers/pci/hotplug/cpcihp_zt5550.c
49888 @@ -59,7 +59,6 @@
49889 /* local variables */
49890 static bool debug;
49891 static bool poll;
49892 -static struct cpci_hp_controller_ops zt5550_hpc_ops;
49893 static struct cpci_hp_controller zt5550_hpc;
49894
49895 /* Primary cPCI bus bridge device */
49896 @@ -204,6 +203,10 @@ static int zt5550_hc_disable_irq(void)
49897 return 0;
49898 }
49899
49900 +static struct cpci_hp_controller_ops zt5550_hpc_ops = {
49901 + .query_enum = zt5550_hc_query_enum,
49902 +};
49903 +
49904 static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
49905 {
49906 int status;
49907 @@ -215,16 +218,17 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id
49908 dbg("returned from zt5550_hc_config");
49909
49910 memset(&zt5550_hpc, 0, sizeof (struct cpci_hp_controller));
49911 - zt5550_hpc_ops.query_enum = zt5550_hc_query_enum;
49912 zt5550_hpc.ops = &zt5550_hpc_ops;
49913 if (!poll) {
49914 zt5550_hpc.irq = hc_dev->irq;
49915 zt5550_hpc.irq_flags = IRQF_SHARED;
49916 zt5550_hpc.dev_id = hc_dev;
49917
49918 - zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq;
49919 - zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq;
49920 - zt5550_hpc_ops.check_irq = zt5550_hc_check_irq;
49921 + pax_open_kernel();
49922 + *(void **)&zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq;
49923 + *(void **)&zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq;
49924 + *(void **)&zt5550_hpc_ops.check_irq = zt5550_hc_check_irq;
49925 + pax_open_kernel();
49926 } else {
49927 info("using ENUM# polling mode");
49928 }
49929 diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c
49930 index 1e08ff8c..3cd145f 100644
49931 --- a/drivers/pci/hotplug/cpqphp_nvram.c
49932 +++ b/drivers/pci/hotplug/cpqphp_nvram.c
49933 @@ -425,8 +425,10 @@ static u32 store_HRT (void __iomem *rom_start)
49934
49935 void compaq_nvram_init (void __iomem *rom_start)
49936 {
49937 +#ifndef CONFIG_PAX_KERNEXEC
49938 if (rom_start)
49939 compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR);
49940 +#endif
49941
49942 dbg("int15 entry = %p\n", compaq_int15_entry_point);
49943
49944 diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
49945 index 56d8486..f26113f 100644
49946 --- a/drivers/pci/hotplug/pci_hotplug_core.c
49947 +++ b/drivers/pci/hotplug/pci_hotplug_core.c
49948 @@ -436,8 +436,10 @@ int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus,
49949 return -EINVAL;
49950 }
49951
49952 - slot->ops->owner = owner;
49953 - slot->ops->mod_name = mod_name;
49954 + pax_open_kernel();
49955 + *(struct module **)&slot->ops->owner = owner;
49956 + *(const char **)&slot->ops->mod_name = mod_name;
49957 + pax_close_kernel();
49958
49959 mutex_lock(&pci_hp_mutex);
49960 /*
49961 diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
49962 index 07aa722..84514b4 100644
49963 --- a/drivers/pci/hotplug/pciehp_core.c
49964 +++ b/drivers/pci/hotplug/pciehp_core.c
49965 @@ -92,7 +92,7 @@ static int init_slot(struct controller *ctrl)
49966 struct slot *slot = ctrl->slot;
49967 struct hotplug_slot *hotplug = NULL;
49968 struct hotplug_slot_info *info = NULL;
49969 - struct hotplug_slot_ops *ops = NULL;
49970 + hotplug_slot_ops_no_const *ops = NULL;
49971 char name[SLOT_NAME_SIZE];
49972 int retval = -ENOMEM;
49973
49974 diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
49975 index 084587d..4a8f9df 100644
49976 --- a/drivers/pci/msi.c
49977 +++ b/drivers/pci/msi.c
49978 @@ -488,8 +488,8 @@ static int populate_msi_sysfs(struct pci_dev *pdev)
49979 {
49980 struct attribute **msi_attrs;
49981 struct attribute *msi_attr;
49982 - struct device_attribute *msi_dev_attr;
49983 - struct attribute_group *msi_irq_group;
49984 + device_attribute_no_const *msi_dev_attr;
49985 + attribute_group_no_const *msi_irq_group;
49986 const struct attribute_group **msi_irq_groups;
49987 struct msi_desc *entry;
49988 int ret = -ENOMEM;
49989 @@ -549,7 +549,7 @@ error_attrs:
49990 count = 0;
49991 msi_attr = msi_attrs[count];
49992 while (msi_attr) {
49993 - msi_dev_attr = container_of(msi_attr, struct device_attribute, attr);
49994 + msi_dev_attr = container_of(msi_attr, device_attribute_no_const, attr);
49995 kfree(msi_attr->name);
49996 kfree(msi_dev_attr);
49997 ++count;
49998 diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
49999 index 2c6643f..3a6d8e0 100644
50000 --- a/drivers/pci/pci-sysfs.c
50001 +++ b/drivers/pci/pci-sysfs.c
50002 @@ -1133,7 +1133,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine)
50003 {
50004 /* allocate attribute structure, piggyback attribute name */
50005 int name_len = write_combine ? 13 : 10;
50006 - struct bin_attribute *res_attr;
50007 + bin_attribute_no_const *res_attr;
50008 int retval;
50009
50010 res_attr = kzalloc(sizeof(*res_attr) + name_len, GFP_ATOMIC);
50011 @@ -1310,7 +1310,7 @@ static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_stor
50012 static int pci_create_capabilities_sysfs(struct pci_dev *dev)
50013 {
50014 int retval;
50015 - struct bin_attribute *attr;
50016 + bin_attribute_no_const *attr;
50017
50018 /* If the device has VPD, try to expose it in sysfs. */
50019 if (dev->vpd) {
50020 @@ -1357,7 +1357,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev)
50021 {
50022 int retval;
50023 int rom_size = 0;
50024 - struct bin_attribute *attr;
50025 + bin_attribute_no_const *attr;
50026
50027 if (!sysfs_initialized)
50028 return -EACCES;
50029 diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
50030 index b5defca..e3664cc 100644
50031 --- a/drivers/pci/pci.h
50032 +++ b/drivers/pci/pci.h
50033 @@ -93,7 +93,7 @@ struct pci_vpd_ops {
50034 struct pci_vpd {
50035 unsigned int len;
50036 const struct pci_vpd_ops *ops;
50037 - struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
50038 + bin_attribute_no_const *attr; /* descriptor for sysfs VPD entry */
50039 };
50040
50041 int pci_vpd_pci22_init(struct pci_dev *dev);
50042 diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
50043 index e1e7026..d28dd33 100644
50044 --- a/drivers/pci/pcie/aspm.c
50045 +++ b/drivers/pci/pcie/aspm.c
50046 @@ -27,9 +27,9 @@
50047 #define MODULE_PARAM_PREFIX "pcie_aspm."
50048
50049 /* Note: those are not register definitions */
50050 -#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */
50051 -#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */
50052 -#define ASPM_STATE_L1 (4) /* L1 state */
50053 +#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */
50054 +#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */
50055 +#define ASPM_STATE_L1 (4U) /* L1 state */
50056 #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW)
50057 #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1)
50058
50059 diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
50060 index 3010ffc..5e2e133 100644
50061 --- a/drivers/pci/probe.c
50062 +++ b/drivers/pci/probe.c
50063 @@ -177,7 +177,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
50064 struct pci_bus_region region, inverted_region;
50065 bool bar_too_big = false, bar_too_high = false, bar_invalid = false;
50066
50067 - mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
50068 + mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0;
50069
50070 /* No printks while decoding is disabled! */
50071 if (!dev->mmio_always_on) {
50072 diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
50073 index 3f155e7..0f4b1f0 100644
50074 --- a/drivers/pci/proc.c
50075 +++ b/drivers/pci/proc.c
50076 @@ -434,7 +434,16 @@ static const struct file_operations proc_bus_pci_dev_operations = {
50077 static int __init pci_proc_init(void)
50078 {
50079 struct pci_dev *dev = NULL;
50080 +
50081 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
50082 +#ifdef CONFIG_GRKERNSEC_PROC_USER
50083 + proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL);
50084 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
50085 + proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
50086 +#endif
50087 +#else
50088 proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
50089 +#endif
50090 proc_create("devices", 0, proc_bus_pci_dir,
50091 &proc_bus_pci_dev_operations);
50092 proc_initialized = 1;
50093 diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
50094 index d866db8..c827d1f 100644
50095 --- a/drivers/platform/chrome/chromeos_laptop.c
50096 +++ b/drivers/platform/chrome/chromeos_laptop.c
50097 @@ -479,7 +479,7 @@ static struct chromeos_laptop cr48 = {
50098 .callback = chromeos_laptop_dmi_matched, \
50099 .driver_data = (void *)&board_
50100
50101 -static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = {
50102 +static struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = {
50103 {
50104 .ident = "Samsung Series 5 550",
50105 .matches = {
50106 diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
50107 index c5af23b..3d62d5e 100644
50108 --- a/drivers/platform/x86/alienware-wmi.c
50109 +++ b/drivers/platform/x86/alienware-wmi.c
50110 @@ -150,7 +150,7 @@ struct wmax_led_args {
50111 } __packed;
50112
50113 static struct platform_device *platform_device;
50114 -static struct device_attribute *zone_dev_attrs;
50115 +static device_attribute_no_const *zone_dev_attrs;
50116 static struct attribute **zone_attrs;
50117 static struct platform_zone *zone_data;
50118
50119 @@ -161,7 +161,7 @@ static struct platform_driver platform_driver = {
50120 }
50121 };
50122
50123 -static struct attribute_group zone_attribute_group = {
50124 +static attribute_group_no_const zone_attribute_group = {
50125 .name = "rgb_zones",
50126 };
50127
50128 diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
50129 index 21fc932..ee9394a 100644
50130 --- a/drivers/platform/x86/asus-wmi.c
50131 +++ b/drivers/platform/x86/asus-wmi.c
50132 @@ -1590,6 +1590,10 @@ static int show_dsts(struct seq_file *m, void *data)
50133 int err;
50134 u32 retval = -1;
50135
50136 +#ifdef CONFIG_GRKERNSEC_KMEM
50137 + return -EPERM;
50138 +#endif
50139 +
50140 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
50141
50142 if (err < 0)
50143 @@ -1606,6 +1610,10 @@ static int show_devs(struct seq_file *m, void *data)
50144 int err;
50145 u32 retval = -1;
50146
50147 +#ifdef CONFIG_GRKERNSEC_KMEM
50148 + return -EPERM;
50149 +#endif
50150 +
50151 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
50152 &retval);
50153
50154 @@ -1630,6 +1638,10 @@ static int show_call(struct seq_file *m, void *data)
50155 union acpi_object *obj;
50156 acpi_status status;
50157
50158 +#ifdef CONFIG_GRKERNSEC_KMEM
50159 + return -EPERM;
50160 +#endif
50161 +
50162 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
50163 1, asus->debug.method_id,
50164 &input, &output);
50165 diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
50166 index 62f8030..c7f2a45 100644
50167 --- a/drivers/platform/x86/msi-laptop.c
50168 +++ b/drivers/platform/x86/msi-laptop.c
50169 @@ -1000,12 +1000,14 @@ static int __init load_scm_model_init(struct platform_device *sdev)
50170
50171 if (!quirks->ec_read_only) {
50172 /* allow userland write sysfs file */
50173 - dev_attr_bluetooth.store = store_bluetooth;
50174 - dev_attr_wlan.store = store_wlan;
50175 - dev_attr_threeg.store = store_threeg;
50176 - dev_attr_bluetooth.attr.mode |= S_IWUSR;
50177 - dev_attr_wlan.attr.mode |= S_IWUSR;
50178 - dev_attr_threeg.attr.mode |= S_IWUSR;
50179 + pax_open_kernel();
50180 + *(void **)&dev_attr_bluetooth.store = store_bluetooth;
50181 + *(void **)&dev_attr_wlan.store = store_wlan;
50182 + *(void **)&dev_attr_threeg.store = store_threeg;
50183 + *(umode_t *)&dev_attr_bluetooth.attr.mode |= S_IWUSR;
50184 + *(umode_t *)&dev_attr_wlan.attr.mode |= S_IWUSR;
50185 + *(umode_t *)&dev_attr_threeg.attr.mode |= S_IWUSR;
50186 + pax_close_kernel();
50187 }
50188
50189 /* disable hardware control by fn key */
50190 diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
50191 index 70222f2..8c8ce66 100644
50192 --- a/drivers/platform/x86/msi-wmi.c
50193 +++ b/drivers/platform/x86/msi-wmi.c
50194 @@ -183,7 +183,7 @@ static const struct backlight_ops msi_backlight_ops = {
50195 static void msi_wmi_notify(u32 value, void *context)
50196 {
50197 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
50198 - static struct key_entry *key;
50199 + struct key_entry *key;
50200 union acpi_object *obj;
50201 acpi_status status;
50202
50203 diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
50204 index 26ad9ff..7c52909 100644
50205 --- a/drivers/platform/x86/sony-laptop.c
50206 +++ b/drivers/platform/x86/sony-laptop.c
50207 @@ -2527,7 +2527,7 @@ static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
50208 }
50209
50210 /* High speed charging function */
50211 -static struct device_attribute *hsc_handle;
50212 +static device_attribute_no_const *hsc_handle;
50213
50214 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
50215 struct device_attribute *attr,
50216 @@ -2601,7 +2601,7 @@ static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
50217 }
50218
50219 /* low battery function */
50220 -static struct device_attribute *lowbatt_handle;
50221 +static device_attribute_no_const *lowbatt_handle;
50222
50223 static ssize_t sony_nc_lowbatt_store(struct device *dev,
50224 struct device_attribute *attr,
50225 @@ -2667,7 +2667,7 @@ static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
50226 }
50227
50228 /* fan speed function */
50229 -static struct device_attribute *fan_handle, *hsf_handle;
50230 +static device_attribute_no_const *fan_handle, *hsf_handle;
50231
50232 static ssize_t sony_nc_hsfan_store(struct device *dev,
50233 struct device_attribute *attr,
50234 @@ -2774,7 +2774,7 @@ static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
50235 }
50236
50237 /* USB charge function */
50238 -static struct device_attribute *uc_handle;
50239 +static device_attribute_no_const *uc_handle;
50240
50241 static ssize_t sony_nc_usb_charge_store(struct device *dev,
50242 struct device_attribute *attr,
50243 @@ -2848,7 +2848,7 @@ static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
50244 }
50245
50246 /* Panel ID function */
50247 -static struct device_attribute *panel_handle;
50248 +static device_attribute_no_const *panel_handle;
50249
50250 static ssize_t sony_nc_panelid_show(struct device *dev,
50251 struct device_attribute *attr, char *buffer)
50252 @@ -2895,7 +2895,7 @@ static void sony_nc_panelid_cleanup(struct platform_device *pd)
50253 }
50254
50255 /* smart connect function */
50256 -static struct device_attribute *sc_handle;
50257 +static device_attribute_no_const *sc_handle;
50258
50259 static ssize_t sony_nc_smart_conn_store(struct device *dev,
50260 struct device_attribute *attr,
50261 diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
50262 index cf0f893..5955997 100644
50263 --- a/drivers/platform/x86/thinkpad_acpi.c
50264 +++ b/drivers/platform/x86/thinkpad_acpi.c
50265 @@ -2094,7 +2094,7 @@ static int hotkey_mask_get(void)
50266 return 0;
50267 }
50268
50269 -void static hotkey_mask_warn_incomplete_mask(void)
50270 +static void hotkey_mask_warn_incomplete_mask(void)
50271 {
50272 /* log only what the user can fix... */
50273 const u32 wantedmask = hotkey_driver_mask &
50274 @@ -2438,10 +2438,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
50275 && !tp_features.bright_unkfw)
50276 TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
50277 }
50278 +}
50279
50280 #undef TPACPI_COMPARE_KEY
50281 #undef TPACPI_MAY_SEND_KEY
50282 -}
50283
50284 /*
50285 * Polling driver
50286 diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
50287 index 438d4c7..ca8a2fb 100644
50288 --- a/drivers/pnp/pnpbios/bioscalls.c
50289 +++ b/drivers/pnp/pnpbios/bioscalls.c
50290 @@ -59,7 +59,7 @@ do { \
50291 set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
50292 } while(0)
50293
50294 -static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
50295 +static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093,
50296 (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1);
50297
50298 /*
50299 @@ -96,7 +96,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
50300
50301 cpu = get_cpu();
50302 save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8];
50303 +
50304 + pax_open_kernel();
50305 get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc;
50306 + pax_close_kernel();
50307
50308 /* On some boxes IRQ's during PnP BIOS calls are deadly. */
50309 spin_lock_irqsave(&pnp_bios_lock, flags);
50310 @@ -134,7 +137,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3,
50311 :"memory");
50312 spin_unlock_irqrestore(&pnp_bios_lock, flags);
50313
50314 + pax_open_kernel();
50315 get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40;
50316 + pax_close_kernel();
50317 +
50318 put_cpu();
50319
50320 /* If we get here and this is set then the PnP BIOS faulted on us. */
50321 @@ -468,7 +474,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base)
50322 return status;
50323 }
50324
50325 -void pnpbios_calls_init(union pnp_bios_install_struct *header)
50326 +void __init pnpbios_calls_init(union pnp_bios_install_struct *header)
50327 {
50328 int i;
50329
50330 @@ -476,6 +482,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
50331 pnp_bios_callpoint.offset = header->fields.pm16offset;
50332 pnp_bios_callpoint.segment = PNP_CS16;
50333
50334 + pax_open_kernel();
50335 +
50336 for_each_possible_cpu(i) {
50337 struct desc_struct *gdt = get_cpu_gdt_table(i);
50338 if (!gdt)
50339 @@ -487,4 +495,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
50340 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS],
50341 (unsigned long)__va(header->fields.pm16dseg));
50342 }
50343 +
50344 + pax_close_kernel();
50345 }
50346 diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
50347 index 0c52e2a..3421ab7 100644
50348 --- a/drivers/power/pda_power.c
50349 +++ b/drivers/power/pda_power.c
50350 @@ -37,7 +37,11 @@ static int polling;
50351
50352 #if IS_ENABLED(CONFIG_USB_PHY)
50353 static struct usb_phy *transceiver;
50354 -static struct notifier_block otg_nb;
50355 +static int otg_handle_notification(struct notifier_block *nb,
50356 + unsigned long event, void *unused);
50357 +static struct notifier_block otg_nb = {
50358 + .notifier_call = otg_handle_notification
50359 +};
50360 #endif
50361
50362 static struct regulator *ac_draw;
50363 @@ -369,7 +373,6 @@ static int pda_power_probe(struct platform_device *pdev)
50364
50365 #if IS_ENABLED(CONFIG_USB_PHY)
50366 if (!IS_ERR_OR_NULL(transceiver) && pdata->use_otg_notifier) {
50367 - otg_nb.notifier_call = otg_handle_notification;
50368 ret = usb_register_notifier(transceiver, &otg_nb);
50369 if (ret) {
50370 dev_err(dev, "failure to register otg notifier\n");
50371 diff --git a/drivers/power/power_supply.h b/drivers/power/power_supply.h
50372 index cc439fd..8fa30df 100644
50373 --- a/drivers/power/power_supply.h
50374 +++ b/drivers/power/power_supply.h
50375 @@ -16,12 +16,12 @@ struct power_supply;
50376
50377 #ifdef CONFIG_SYSFS
50378
50379 -extern void power_supply_init_attrs(struct device_type *dev_type);
50380 +extern void power_supply_init_attrs(void);
50381 extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env);
50382
50383 #else
50384
50385 -static inline void power_supply_init_attrs(struct device_type *dev_type) {}
50386 +static inline void power_supply_init_attrs(void) {}
50387 #define power_supply_uevent NULL
50388
50389 #endif /* CONFIG_SYSFS */
50390 diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
50391 index 694e8cd..9f03483 100644
50392 --- a/drivers/power/power_supply_core.c
50393 +++ b/drivers/power/power_supply_core.c
50394 @@ -28,7 +28,10 @@ EXPORT_SYMBOL_GPL(power_supply_class);
50395 ATOMIC_NOTIFIER_HEAD(power_supply_notifier);
50396 EXPORT_SYMBOL_GPL(power_supply_notifier);
50397
50398 -static struct device_type power_supply_dev_type;
50399 +extern const struct attribute_group *power_supply_attr_groups[];
50400 +static struct device_type power_supply_dev_type = {
50401 + .groups = power_supply_attr_groups,
50402 +};
50403
50404 static bool __power_supply_is_supplied_by(struct power_supply *supplier,
50405 struct power_supply *supply)
50406 @@ -637,7 +640,7 @@ static int __init power_supply_class_init(void)
50407 return PTR_ERR(power_supply_class);
50408
50409 power_supply_class->dev_uevent = power_supply_uevent;
50410 - power_supply_init_attrs(&power_supply_dev_type);
50411 + power_supply_init_attrs();
50412
50413 return 0;
50414 }
50415 diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
50416 index 62653f5..d0bb485 100644
50417 --- a/drivers/power/power_supply_sysfs.c
50418 +++ b/drivers/power/power_supply_sysfs.c
50419 @@ -238,17 +238,15 @@ static struct attribute_group power_supply_attr_group = {
50420 .is_visible = power_supply_attr_is_visible,
50421 };
50422
50423 -static const struct attribute_group *power_supply_attr_groups[] = {
50424 +const struct attribute_group *power_supply_attr_groups[] = {
50425 &power_supply_attr_group,
50426 NULL,
50427 };
50428
50429 -void power_supply_init_attrs(struct device_type *dev_type)
50430 +void power_supply_init_attrs(void)
50431 {
50432 int i;
50433
50434 - dev_type->groups = power_supply_attr_groups;
50435 -
50436 for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++)
50437 __power_supply_attrs[i] = &power_supply_attrs[i].attr;
50438 }
50439 diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c
50440 index 84419af..268ede8 100644
50441 --- a/drivers/powercap/powercap_sys.c
50442 +++ b/drivers/powercap/powercap_sys.c
50443 @@ -154,8 +154,77 @@ struct powercap_constraint_attr {
50444 struct device_attribute name_attr;
50445 };
50446
50447 +static ssize_t show_constraint_name(struct device *dev,
50448 + struct device_attribute *dev_attr,
50449 + char *buf);
50450 +
50451 static struct powercap_constraint_attr
50452 - constraint_attrs[MAX_CONSTRAINTS_PER_ZONE];
50453 + constraint_attrs[MAX_CONSTRAINTS_PER_ZONE] = {
50454 + [0 ... MAX_CONSTRAINTS_PER_ZONE - 1] = {
50455 + .power_limit_attr = {
50456 + .attr = {
50457 + .name = NULL,
50458 + .mode = S_IWUSR | S_IRUGO
50459 + },
50460 + .show = show_constraint_power_limit_uw,
50461 + .store = store_constraint_power_limit_uw
50462 + },
50463 +
50464 + .time_window_attr = {
50465 + .attr = {
50466 + .name = NULL,
50467 + .mode = S_IWUSR | S_IRUGO
50468 + },
50469 + .show = show_constraint_time_window_us,
50470 + .store = store_constraint_time_window_us
50471 + },
50472 +
50473 + .max_power_attr = {
50474 + .attr = {
50475 + .name = NULL,
50476 + .mode = S_IRUGO
50477 + },
50478 + .show = show_constraint_max_power_uw,
50479 + .store = NULL
50480 + },
50481 +
50482 + .min_power_attr = {
50483 + .attr = {
50484 + .name = NULL,
50485 + .mode = S_IRUGO
50486 + },
50487 + .show = show_constraint_min_power_uw,
50488 + .store = NULL
50489 + },
50490 +
50491 + .max_time_window_attr = {
50492 + .attr = {
50493 + .name = NULL,
50494 + .mode = S_IRUGO
50495 + },
50496 + .show = show_constraint_max_time_window_us,
50497 + .store = NULL
50498 + },
50499 +
50500 + .min_time_window_attr = {
50501 + .attr = {
50502 + .name = NULL,
50503 + .mode = S_IRUGO
50504 + },
50505 + .show = show_constraint_min_time_window_us,
50506 + .store = NULL
50507 + },
50508 +
50509 + .name_attr = {
50510 + .attr = {
50511 + .name = NULL,
50512 + .mode = S_IRUGO
50513 + },
50514 + .show = show_constraint_name,
50515 + .store = NULL
50516 + }
50517 + }
50518 +};
50519
50520 /* A list of powercap control_types */
50521 static LIST_HEAD(powercap_cntrl_list);
50522 @@ -193,23 +262,16 @@ static ssize_t show_constraint_name(struct device *dev,
50523 }
50524
50525 static int create_constraint_attribute(int id, const char *name,
50526 - int mode,
50527 - struct device_attribute *dev_attr,
50528 - ssize_t (*show)(struct device *,
50529 - struct device_attribute *, char *),
50530 - ssize_t (*store)(struct device *,
50531 - struct device_attribute *,
50532 - const char *, size_t)
50533 - )
50534 + struct device_attribute *dev_attr)
50535 {
50536 + name = kasprintf(GFP_KERNEL, "constraint_%d_%s", id, name);
50537
50538 - dev_attr->attr.name = kasprintf(GFP_KERNEL, "constraint_%d_%s",
50539 - id, name);
50540 - if (!dev_attr->attr.name)
50541 + if (!name)
50542 return -ENOMEM;
50543 - dev_attr->attr.mode = mode;
50544 - dev_attr->show = show;
50545 - dev_attr->store = store;
50546 +
50547 + pax_open_kernel();
50548 + *(const char **)&dev_attr->attr.name = name;
50549 + pax_close_kernel();
50550
50551 return 0;
50552 }
50553 @@ -236,49 +298,31 @@ static int seed_constraint_attributes(void)
50554
50555 for (i = 0; i < MAX_CONSTRAINTS_PER_ZONE; ++i) {
50556 ret = create_constraint_attribute(i, "power_limit_uw",
50557 - S_IWUSR | S_IRUGO,
50558 - &constraint_attrs[i].power_limit_attr,
50559 - show_constraint_power_limit_uw,
50560 - store_constraint_power_limit_uw);
50561 + &constraint_attrs[i].power_limit_attr);
50562 if (ret)
50563 goto err_alloc;
50564 ret = create_constraint_attribute(i, "time_window_us",
50565 - S_IWUSR | S_IRUGO,
50566 - &constraint_attrs[i].time_window_attr,
50567 - show_constraint_time_window_us,
50568 - store_constraint_time_window_us);
50569 + &constraint_attrs[i].time_window_attr);
50570 if (ret)
50571 goto err_alloc;
50572 - ret = create_constraint_attribute(i, "name", S_IRUGO,
50573 - &constraint_attrs[i].name_attr,
50574 - show_constraint_name,
50575 - NULL);
50576 + ret = create_constraint_attribute(i, "name",
50577 + &constraint_attrs[i].name_attr);
50578 if (ret)
50579 goto err_alloc;
50580 - ret = create_constraint_attribute(i, "max_power_uw", S_IRUGO,
50581 - &constraint_attrs[i].max_power_attr,
50582 - show_constraint_max_power_uw,
50583 - NULL);
50584 + ret = create_constraint_attribute(i, "max_power_uw",
50585 + &constraint_attrs[i].max_power_attr);
50586 if (ret)
50587 goto err_alloc;
50588 - ret = create_constraint_attribute(i, "min_power_uw", S_IRUGO,
50589 - &constraint_attrs[i].min_power_attr,
50590 - show_constraint_min_power_uw,
50591 - NULL);
50592 + ret = create_constraint_attribute(i, "min_power_uw",
50593 + &constraint_attrs[i].min_power_attr);
50594 if (ret)
50595 goto err_alloc;
50596 ret = create_constraint_attribute(i, "max_time_window_us",
50597 - S_IRUGO,
50598 - &constraint_attrs[i].max_time_window_attr,
50599 - show_constraint_max_time_window_us,
50600 - NULL);
50601 + &constraint_attrs[i].max_time_window_attr);
50602 if (ret)
50603 goto err_alloc;
50604 ret = create_constraint_attribute(i, "min_time_window_us",
50605 - S_IRUGO,
50606 - &constraint_attrs[i].min_time_window_attr,
50607 - show_constraint_min_time_window_us,
50608 - NULL);
50609 + &constraint_attrs[i].min_time_window_attr);
50610 if (ret)
50611 goto err_alloc;
50612
50613 @@ -378,10 +422,12 @@ static void create_power_zone_common_attributes(
50614 power_zone->zone_dev_attrs[count++] =
50615 &dev_attr_max_energy_range_uj.attr;
50616 if (power_zone->ops->get_energy_uj) {
50617 + pax_open_kernel();
50618 if (power_zone->ops->reset_energy_uj)
50619 - dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO;
50620 + *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO;
50621 else
50622 - dev_attr_energy_uj.attr.mode = S_IRUGO;
50623 + *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IRUGO;
50624 + pax_close_kernel();
50625 power_zone->zone_dev_attrs[count++] =
50626 &dev_attr_energy_uj.attr;
50627 }
50628 diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
50629 index 9c5d414..c7900ce 100644
50630 --- a/drivers/ptp/ptp_private.h
50631 +++ b/drivers/ptp/ptp_private.h
50632 @@ -51,7 +51,7 @@ struct ptp_clock {
50633 struct mutex pincfg_mux; /* protect concurrent info->pin_config access */
50634 wait_queue_head_t tsev_wq;
50635 int defunct; /* tells readers to go away when clock is being removed */
50636 - struct device_attribute *pin_dev_attr;
50637 + device_attribute_no_const *pin_dev_attr;
50638 struct attribute **pin_attr;
50639 struct attribute_group pin_attr_group;
50640 };
50641 diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c
50642 index 302e626..12579af 100644
50643 --- a/drivers/ptp/ptp_sysfs.c
50644 +++ b/drivers/ptp/ptp_sysfs.c
50645 @@ -280,7 +280,7 @@ static int ptp_populate_pins(struct ptp_clock *ptp)
50646 goto no_pin_attr;
50647
50648 for (i = 0; i < n_pins; i++) {
50649 - struct device_attribute *da = &ptp->pin_dev_attr[i];
50650 + device_attribute_no_const *da = &ptp->pin_dev_attr[i];
50651 sysfs_attr_init(&da->attr);
50652 da->attr.name = info->pin_config[i].name;
50653 da->attr.mode = 0644;
50654 diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
50655 index cd87c0c..715ecbe 100644
50656 --- a/drivers/regulator/core.c
50657 +++ b/drivers/regulator/core.c
50658 @@ -3567,7 +3567,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
50659 {
50660 const struct regulation_constraints *constraints = NULL;
50661 const struct regulator_init_data *init_data;
50662 - static atomic_t regulator_no = ATOMIC_INIT(0);
50663 + static atomic_unchecked_t regulator_no = ATOMIC_INIT(0);
50664 struct regulator_dev *rdev;
50665 struct device *dev;
50666 int ret, i;
50667 @@ -3641,7 +3641,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
50668 rdev->dev.class = &regulator_class;
50669 rdev->dev.parent = dev;
50670 dev_set_name(&rdev->dev, "regulator.%d",
50671 - atomic_inc_return(&regulator_no) - 1);
50672 + atomic_inc_return_unchecked(&regulator_no) - 1);
50673 ret = device_register(&rdev->dev);
50674 if (ret != 0) {
50675 put_device(&rdev->dev);
50676 diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
50677 index 7eee2ca..4024513 100644
50678 --- a/drivers/regulator/max8660.c
50679 +++ b/drivers/regulator/max8660.c
50680 @@ -424,8 +424,10 @@ static int max8660_probe(struct i2c_client *client,
50681 max8660->shadow_regs[MAX8660_OVER1] = 5;
50682 } else {
50683 /* Otherwise devices can be toggled via software */
50684 - max8660_dcdc_ops.enable = max8660_dcdc_enable;
50685 - max8660_dcdc_ops.disable = max8660_dcdc_disable;
50686 + pax_open_kernel();
50687 + *(void **)&max8660_dcdc_ops.enable = max8660_dcdc_enable;
50688 + *(void **)&max8660_dcdc_ops.disable = max8660_dcdc_disable;
50689 + pax_close_kernel();
50690 }
50691
50692 /*
50693 diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
50694 index dbedf17..18ff6b7 100644
50695 --- a/drivers/regulator/max8973-regulator.c
50696 +++ b/drivers/regulator/max8973-regulator.c
50697 @@ -403,9 +403,11 @@ static int max8973_probe(struct i2c_client *client,
50698 if (!pdata || !pdata->enable_ext_control) {
50699 max->desc.enable_reg = MAX8973_VOUT;
50700 max->desc.enable_mask = MAX8973_VOUT_ENABLE;
50701 - max->ops.enable = regulator_enable_regmap;
50702 - max->ops.disable = regulator_disable_regmap;
50703 - max->ops.is_enabled = regulator_is_enabled_regmap;
50704 + pax_open_kernel();
50705 + *(void **)&max->ops.enable = regulator_enable_regmap;
50706 + *(void **)&max->ops.disable = regulator_disable_regmap;
50707 + *(void **)&max->ops.is_enabled = regulator_is_enabled_regmap;
50708 + pax_close_kernel();
50709 }
50710
50711 if (pdata) {
50712 diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
50713 index 793b662..85f74cd 100644
50714 --- a/drivers/regulator/mc13892-regulator.c
50715 +++ b/drivers/regulator/mc13892-regulator.c
50716 @@ -584,10 +584,12 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
50717 mc13xxx_unlock(mc13892);
50718
50719 /* update mc13892_vcam ops */
50720 + pax_open_kernel();
50721 memcpy(&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops,
50722 sizeof(struct regulator_ops));
50723 - mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode,
50724 - mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode,
50725 + *(void **)&mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode,
50726 + *(void **)&mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode,
50727 + pax_close_kernel();
50728 mc13892_regulators[MC13892_VCAM].desc.ops = &mc13892_vcam_ops;
50729
50730 mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
50731 diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
50732 index 5b2e761..c8c8a4a 100644
50733 --- a/drivers/rtc/rtc-cmos.c
50734 +++ b/drivers/rtc/rtc-cmos.c
50735 @@ -789,7 +789,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
50736 hpet_rtc_timer_init();
50737
50738 /* export at least the first block of NVRAM */
50739 - nvram.size = address_space - NVRAM_OFFSET;
50740 + pax_open_kernel();
50741 + *(size_t *)&nvram.size = address_space - NVRAM_OFFSET;
50742 + pax_close_kernel();
50743 retval = sysfs_create_bin_file(&dev->kobj, &nvram);
50744 if (retval < 0) {
50745 dev_dbg(dev, "can't create nvram file? %d\n", retval);
50746 diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
50747 index d049393..bb20be0 100644
50748 --- a/drivers/rtc/rtc-dev.c
50749 +++ b/drivers/rtc/rtc-dev.c
50750 @@ -16,6 +16,7 @@
50751 #include <linux/module.h>
50752 #include <linux/rtc.h>
50753 #include <linux/sched.h>
50754 +#include <linux/grsecurity.h>
50755 #include "rtc-core.h"
50756
50757 static dev_t rtc_devt;
50758 @@ -347,6 +348,8 @@ static long rtc_dev_ioctl(struct file *file,
50759 if (copy_from_user(&tm, uarg, sizeof(tm)))
50760 return -EFAULT;
50761
50762 + gr_log_timechange();
50763 +
50764 return rtc_set_time(rtc, &tm);
50765
50766 case RTC_PIE_ON:
50767 diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
50768 index bb43cf7..ee4d274 100644
50769 --- a/drivers/rtc/rtc-ds1307.c
50770 +++ b/drivers/rtc/rtc-ds1307.c
50771 @@ -107,7 +107,7 @@ struct ds1307 {
50772 u8 offset; /* register's offset */
50773 u8 regs[11];
50774 u16 nvram_offset;
50775 - struct bin_attribute *nvram;
50776 + bin_attribute_no_const *nvram;
50777 enum ds_type type;
50778 unsigned long flags;
50779 #define HAS_NVRAM 0 /* bit 0 == sysfs file active */
50780 diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
50781 index 11880c1..b823aa4 100644
50782 --- a/drivers/rtc/rtc-m48t59.c
50783 +++ b/drivers/rtc/rtc-m48t59.c
50784 @@ -483,7 +483,9 @@ static int m48t59_rtc_probe(struct platform_device *pdev)
50785 if (IS_ERR(m48t59->rtc))
50786 return PTR_ERR(m48t59->rtc);
50787
50788 - m48t59_nvram_attr.size = pdata->offset;
50789 + pax_open_kernel();
50790 + *(size_t *)&m48t59_nvram_attr.size = pdata->offset;
50791 + pax_close_kernel();
50792
50793 ret = sysfs_create_bin_file(&pdev->dev.kobj, &m48t59_nvram_attr);
50794 if (ret)
50795 diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
50796 index e693af6..2e525b6 100644
50797 --- a/drivers/scsi/bfa/bfa_fcpim.h
50798 +++ b/drivers/scsi/bfa/bfa_fcpim.h
50799 @@ -36,7 +36,7 @@ struct bfa_iotag_s {
50800
50801 struct bfa_itn_s {
50802 bfa_isr_func_t isr;
50803 -};
50804 +} __no_const;
50805
50806 void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
50807 void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m));
50808 diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
50809 index 0f19455..ef7adb5 100644
50810 --- a/drivers/scsi/bfa/bfa_fcs.c
50811 +++ b/drivers/scsi/bfa/bfa_fcs.c
50812 @@ -38,10 +38,21 @@ struct bfa_fcs_mod_s {
50813 #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
50814
50815 static struct bfa_fcs_mod_s fcs_modules[] = {
50816 - { bfa_fcs_port_attach, NULL, NULL },
50817 - { bfa_fcs_uf_attach, NULL, NULL },
50818 - { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit,
50819 - bfa_fcs_fabric_modexit },
50820 + {
50821 + .attach = bfa_fcs_port_attach,
50822 + .modinit = NULL,
50823 + .modexit = NULL
50824 + },
50825 + {
50826 + .attach = bfa_fcs_uf_attach,
50827 + .modinit = NULL,
50828 + .modexit = NULL
50829 + },
50830 + {
50831 + .attach = bfa_fcs_fabric_attach,
50832 + .modinit = bfa_fcs_fabric_modinit,
50833 + .modexit = bfa_fcs_fabric_modexit
50834 + },
50835 };
50836
50837 /*
50838 diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
50839 index ff75ef8..2dfe00a 100644
50840 --- a/drivers/scsi/bfa/bfa_fcs_lport.c
50841 +++ b/drivers/scsi/bfa/bfa_fcs_lport.c
50842 @@ -89,15 +89,26 @@ static struct {
50843 void (*offline) (struct bfa_fcs_lport_s *port);
50844 } __port_action[] = {
50845 {
50846 - bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
50847 - bfa_fcs_lport_unknown_offline}, {
50848 - bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
50849 - bfa_fcs_lport_fab_offline}, {
50850 - bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
50851 - bfa_fcs_lport_n2n_offline}, {
50852 - bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
50853 - bfa_fcs_lport_loop_offline},
50854 - };
50855 + .init = bfa_fcs_lport_unknown_init,
50856 + .online = bfa_fcs_lport_unknown_online,
50857 + .offline = bfa_fcs_lport_unknown_offline
50858 + },
50859 + {
50860 + .init = bfa_fcs_lport_fab_init,
50861 + .online = bfa_fcs_lport_fab_online,
50862 + .offline = bfa_fcs_lport_fab_offline
50863 + },
50864 + {
50865 + .init = bfa_fcs_lport_n2n_init,
50866 + .online = bfa_fcs_lport_n2n_online,
50867 + .offline = bfa_fcs_lport_n2n_offline
50868 + },
50869 + {
50870 + .init = bfa_fcs_lport_loop_init,
50871 + .online = bfa_fcs_lport_loop_online,
50872 + .offline = bfa_fcs_lport_loop_offline
50873 + },
50874 +};
50875
50876 /*
50877 * fcs_port_sm FCS logical port state machine
50878 diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
50879 index a38aafa0..fe8f03b 100644
50880 --- a/drivers/scsi/bfa/bfa_ioc.h
50881 +++ b/drivers/scsi/bfa/bfa_ioc.h
50882 @@ -258,7 +258,7 @@ struct bfa_ioc_cbfn_s {
50883 bfa_ioc_disable_cbfn_t disable_cbfn;
50884 bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
50885 bfa_ioc_reset_cbfn_t reset_cbfn;
50886 -};
50887 +} __no_const;
50888
50889 /*
50890 * IOC event notification mechanism.
50891 @@ -352,7 +352,7 @@ struct bfa_ioc_hwif_s {
50892 void (*ioc_set_alt_fwstate) (struct bfa_ioc_s *ioc,
50893 enum bfi_ioc_state fwstate);
50894 enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc_s *ioc);
50895 -};
50896 +} __no_const;
50897
50898 /*
50899 * Queue element to wait for room in request queue. FIFO order is
50900 diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
50901 index a14c784..6de6790 100644
50902 --- a/drivers/scsi/bfa/bfa_modules.h
50903 +++ b/drivers/scsi/bfa/bfa_modules.h
50904 @@ -78,12 +78,12 @@ enum {
50905 \
50906 extern struct bfa_module_s hal_mod_ ## __mod; \
50907 struct bfa_module_s hal_mod_ ## __mod = { \
50908 - bfa_ ## __mod ## _meminfo, \
50909 - bfa_ ## __mod ## _attach, \
50910 - bfa_ ## __mod ## _detach, \
50911 - bfa_ ## __mod ## _start, \
50912 - bfa_ ## __mod ## _stop, \
50913 - bfa_ ## __mod ## _iocdisable, \
50914 + .meminfo = bfa_ ## __mod ## _meminfo, \
50915 + .attach = bfa_ ## __mod ## _attach, \
50916 + .detach = bfa_ ## __mod ## _detach, \
50917 + .start = bfa_ ## __mod ## _start, \
50918 + .stop = bfa_ ## __mod ## _stop, \
50919 + .iocdisable = bfa_ ## __mod ## _iocdisable, \
50920 }
50921
50922 #define BFA_CACHELINE_SZ (256)
50923 diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
50924 index 045c4e1..13de803 100644
50925 --- a/drivers/scsi/fcoe/fcoe_sysfs.c
50926 +++ b/drivers/scsi/fcoe/fcoe_sysfs.c
50927 @@ -33,8 +33,8 @@
50928 */
50929 #include "libfcoe.h"
50930
50931 -static atomic_t ctlr_num;
50932 -static atomic_t fcf_num;
50933 +static atomic_unchecked_t ctlr_num;
50934 +static atomic_unchecked_t fcf_num;
50935
50936 /*
50937 * fcoe_fcf_dev_loss_tmo: the default number of seconds that fcoe sysfs
50938 @@ -685,7 +685,7 @@ struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent,
50939 if (!ctlr)
50940 goto out;
50941
50942 - ctlr->id = atomic_inc_return(&ctlr_num) - 1;
50943 + ctlr->id = atomic_inc_return_unchecked(&ctlr_num) - 1;
50944 ctlr->f = f;
50945 ctlr->mode = FIP_CONN_TYPE_FABRIC;
50946 INIT_LIST_HEAD(&ctlr->fcfs);
50947 @@ -902,7 +902,7 @@ struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *ctlr,
50948 fcf->dev.parent = &ctlr->dev;
50949 fcf->dev.bus = &fcoe_bus_type;
50950 fcf->dev.type = &fcoe_fcf_device_type;
50951 - fcf->id = atomic_inc_return(&fcf_num) - 1;
50952 + fcf->id = atomic_inc_return_unchecked(&fcf_num) - 1;
50953 fcf->state = FCOE_FCF_STATE_UNKNOWN;
50954
50955 fcf->dev_loss_tmo = ctlr->fcf_dev_loss_tmo;
50956 @@ -938,8 +938,8 @@ int __init fcoe_sysfs_setup(void)
50957 {
50958 int error;
50959
50960 - atomic_set(&ctlr_num, 0);
50961 - atomic_set(&fcf_num, 0);
50962 + atomic_set_unchecked(&ctlr_num, 0);
50963 + atomic_set_unchecked(&fcf_num, 0);
50964
50965 error = bus_register(&fcoe_bus_type);
50966 if (error)
50967 diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
50968 index 6de80e3..a11e0ac 100644
50969 --- a/drivers/scsi/hosts.c
50970 +++ b/drivers/scsi/hosts.c
50971 @@ -42,7 +42,7 @@
50972 #include "scsi_logging.h"
50973
50974
50975 -static atomic_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */
50976 +static atomic_unchecked_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */
50977
50978
50979 static void scsi_host_cls_release(struct device *dev)
50980 @@ -392,7 +392,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
50981 * subtract one because we increment first then return, but we need to
50982 * know what the next host number was before increment
50983 */
50984 - shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1;
50985 + shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1;
50986 shost->dma_channel = 0xff;
50987
50988 /* These three are default values which can be overridden */
50989 diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
50990 index cef5d49..01e280e 100644
50991 --- a/drivers/scsi/hpsa.c
50992 +++ b/drivers/scsi/hpsa.c
50993 @@ -701,10 +701,10 @@ static inline u32 next_command(struct ctlr_info *h, u8 q)
50994 unsigned long flags;
50995
50996 if (h->transMethod & CFGTBL_Trans_io_accel1)
50997 - return h->access.command_completed(h, q);
50998 + return h->access->command_completed(h, q);
50999
51000 if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
51001 - return h->access.command_completed(h, q);
51002 + return h->access->command_completed(h, q);
51003
51004 if ((rq->head[rq->current_entry] & 1) == rq->wraparound) {
51005 a = rq->head[rq->current_entry];
51006 @@ -5454,7 +5454,7 @@ static void start_io(struct ctlr_info *h, unsigned long *flags)
51007 while (!list_empty(&h->reqQ)) {
51008 c = list_entry(h->reqQ.next, struct CommandList, list);
51009 /* can't do anything if fifo is full */
51010 - if ((h->access.fifo_full(h))) {
51011 + if ((h->access->fifo_full(h))) {
51012 h->fifo_recently_full = 1;
51013 dev_warn(&h->pdev->dev, "fifo full\n");
51014 break;
51015 @@ -5476,7 +5476,7 @@ static void start_io(struct ctlr_info *h, unsigned long *flags)
51016
51017 /* Tell the controller execute command */
51018 spin_unlock_irqrestore(&h->lock, *flags);
51019 - h->access.submit_command(h, c);
51020 + h->access->submit_command(h, c);
51021 spin_lock_irqsave(&h->lock, *flags);
51022 }
51023 }
51024 @@ -5492,17 +5492,17 @@ static void lock_and_start_io(struct ctlr_info *h)
51025
51026 static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q)
51027 {
51028 - return h->access.command_completed(h, q);
51029 + return h->access->command_completed(h, q);
51030 }
51031
51032 static inline bool interrupt_pending(struct ctlr_info *h)
51033 {
51034 - return h->access.intr_pending(h);
51035 + return h->access->intr_pending(h);
51036 }
51037
51038 static inline long interrupt_not_for_us(struct ctlr_info *h)
51039 {
51040 - return (h->access.intr_pending(h) == 0) ||
51041 + return (h->access->intr_pending(h) == 0) ||
51042 (h->interrupts_enabled == 0);
51043 }
51044
51045 @@ -6445,7 +6445,7 @@ static int hpsa_pci_init(struct ctlr_info *h)
51046 if (prod_index < 0)
51047 return -ENODEV;
51048 h->product_name = products[prod_index].product_name;
51049 - h->access = *(products[prod_index].access);
51050 + h->access = products[prod_index].access;
51051
51052 pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
51053 PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
51054 @@ -6790,7 +6790,7 @@ static void controller_lockup_detected(struct ctlr_info *h)
51055 unsigned long flags;
51056 u32 lockup_detected;
51057
51058 - h->access.set_intr_mask(h, HPSA_INTR_OFF);
51059 + h->access->set_intr_mask(h, HPSA_INTR_OFF);
51060 spin_lock_irqsave(&h->lock, flags);
51061 lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
51062 if (!lockup_detected) {
51063 @@ -7037,7 +7037,7 @@ reinit_after_soft_reset:
51064 }
51065
51066 /* make sure the board interrupts are off */
51067 - h->access.set_intr_mask(h, HPSA_INTR_OFF);
51068 + h->access->set_intr_mask(h, HPSA_INTR_OFF);
51069
51070 if (hpsa_request_irq(h, do_hpsa_intr_msi, do_hpsa_intr_intx))
51071 goto clean2;
51072 @@ -7072,7 +7072,7 @@ reinit_after_soft_reset:
51073 * fake ones to scoop up any residual completions.
51074 */
51075 spin_lock_irqsave(&h->lock, flags);
51076 - h->access.set_intr_mask(h, HPSA_INTR_OFF);
51077 + h->access->set_intr_mask(h, HPSA_INTR_OFF);
51078 spin_unlock_irqrestore(&h->lock, flags);
51079 free_irqs(h);
51080 rc = hpsa_request_irq(h, hpsa_msix_discard_completions,
51081 @@ -7091,9 +7091,9 @@ reinit_after_soft_reset:
51082 dev_info(&h->pdev->dev, "Board READY.\n");
51083 dev_info(&h->pdev->dev,
51084 "Waiting for stale completions to drain.\n");
51085 - h->access.set_intr_mask(h, HPSA_INTR_ON);
51086 + h->access->set_intr_mask(h, HPSA_INTR_ON);
51087 msleep(10000);
51088 - h->access.set_intr_mask(h, HPSA_INTR_OFF);
51089 + h->access->set_intr_mask(h, HPSA_INTR_OFF);
51090
51091 rc = controller_reset_failed(h->cfgtable);
51092 if (rc)
51093 @@ -7119,7 +7119,7 @@ reinit_after_soft_reset:
51094 h->drv_req_rescan = 0;
51095
51096 /* Turn the interrupts on so we can service requests */
51097 - h->access.set_intr_mask(h, HPSA_INTR_ON);
51098 + h->access->set_intr_mask(h, HPSA_INTR_ON);
51099
51100 hpsa_hba_inquiry(h);
51101 hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */
51102 @@ -7184,7 +7184,7 @@ static void hpsa_shutdown(struct pci_dev *pdev)
51103 * To write all data in the battery backed cache to disks
51104 */
51105 hpsa_flush_cache(h);
51106 - h->access.set_intr_mask(h, HPSA_INTR_OFF);
51107 + h->access->set_intr_mask(h, HPSA_INTR_OFF);
51108 hpsa_free_irqs_and_disable_msix(h);
51109 }
51110
51111 @@ -7302,7 +7302,7 @@ static void hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support)
51112 CFGTBL_Trans_enable_directed_msix |
51113 (trans_support & (CFGTBL_Trans_io_accel1 |
51114 CFGTBL_Trans_io_accel2));
51115 - struct access_method access = SA5_performant_access;
51116 + struct access_method *access = &SA5_performant_access;
51117
51118 /* This is a bit complicated. There are 8 registers on
51119 * the controller which we write to to tell it 8 different
51120 @@ -7344,7 +7344,7 @@ static void hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support)
51121 * perform the superfluous readl() after each command submission.
51122 */
51123 if (trans_support & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2))
51124 - access = SA5_performant_access_no_read;
51125 + access = &SA5_performant_access_no_read;
51126
51127 /* Controller spec: zero out this buffer. */
51128 for (i = 0; i < h->nreply_queues; i++)
51129 @@ -7374,12 +7374,12 @@ static void hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support)
51130 * enable outbound interrupt coalescing in accelerator mode;
51131 */
51132 if (trans_support & CFGTBL_Trans_io_accel1) {
51133 - access = SA5_ioaccel_mode1_access;
51134 + access = &SA5_ioaccel_mode1_access;
51135 writel(10, &h->cfgtable->HostWrite.CoalIntDelay);
51136 writel(4, &h->cfgtable->HostWrite.CoalIntCount);
51137 } else {
51138 if (trans_support & CFGTBL_Trans_io_accel2) {
51139 - access = SA5_ioaccel_mode2_access;
51140 + access = &SA5_ioaccel_mode2_access;
51141 writel(10, &h->cfgtable->HostWrite.CoalIntDelay);
51142 writel(4, &h->cfgtable->HostWrite.CoalIntCount);
51143 }
51144 diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
51145 index 24472ce..8782caf 100644
51146 --- a/drivers/scsi/hpsa.h
51147 +++ b/drivers/scsi/hpsa.h
51148 @@ -127,7 +127,7 @@ struct ctlr_info {
51149 unsigned int msix_vector;
51150 unsigned int msi_vector;
51151 int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */
51152 - struct access_method access;
51153 + struct access_method *access;
51154 char hba_mode_enabled;
51155
51156 /* queue and queue Info */
51157 @@ -536,43 +536,43 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q)
51158 }
51159
51160 static struct access_method SA5_access = {
51161 - SA5_submit_command,
51162 - SA5_intr_mask,
51163 - SA5_fifo_full,
51164 - SA5_intr_pending,
51165 - SA5_completed,
51166 + .submit_command = SA5_submit_command,
51167 + .set_intr_mask = SA5_intr_mask,
51168 + .fifo_full = SA5_fifo_full,
51169 + .intr_pending = SA5_intr_pending,
51170 + .command_completed = SA5_completed,
51171 };
51172
51173 static struct access_method SA5_ioaccel_mode1_access = {
51174 - SA5_submit_command,
51175 - SA5_performant_intr_mask,
51176 - SA5_fifo_full,
51177 - SA5_ioaccel_mode1_intr_pending,
51178 - SA5_ioaccel_mode1_completed,
51179 + .submit_command = SA5_submit_command,
51180 + .set_intr_mask = SA5_performant_intr_mask,
51181 + .fifo_full = SA5_fifo_full,
51182 + .intr_pending = SA5_ioaccel_mode1_intr_pending,
51183 + .command_completed = SA5_ioaccel_mode1_completed,
51184 };
51185
51186 static struct access_method SA5_ioaccel_mode2_access = {
51187 - SA5_submit_command_ioaccel2,
51188 - SA5_performant_intr_mask,
51189 - SA5_fifo_full,
51190 - SA5_performant_intr_pending,
51191 - SA5_performant_completed,
51192 + .submit_command = SA5_submit_command_ioaccel2,
51193 + .set_intr_mask = SA5_performant_intr_mask,
51194 + .fifo_full = SA5_fifo_full,
51195 + .intr_pending = SA5_performant_intr_pending,
51196 + .command_completed = SA5_performant_completed,
51197 };
51198
51199 static struct access_method SA5_performant_access = {
51200 - SA5_submit_command,
51201 - SA5_performant_intr_mask,
51202 - SA5_fifo_full,
51203 - SA5_performant_intr_pending,
51204 - SA5_performant_completed,
51205 + .submit_command = SA5_submit_command,
51206 + .set_intr_mask = SA5_performant_intr_mask,
51207 + .fifo_full = SA5_fifo_full,
51208 + .intr_pending = SA5_performant_intr_pending,
51209 + .command_completed = SA5_performant_completed,
51210 };
51211
51212 static struct access_method SA5_performant_access_no_read = {
51213 - SA5_submit_command_no_read,
51214 - SA5_performant_intr_mask,
51215 - SA5_fifo_full,
51216 - SA5_performant_intr_pending,
51217 - SA5_performant_completed,
51218 + .submit_command = SA5_submit_command_no_read,
51219 + .set_intr_mask = SA5_performant_intr_mask,
51220 + .fifo_full = SA5_fifo_full,
51221 + .intr_pending = SA5_performant_intr_pending,
51222 + .command_completed = SA5_performant_completed,
51223 };
51224
51225 struct board_type {
51226 diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
51227 index 1b3a094..068e683 100644
51228 --- a/drivers/scsi/libfc/fc_exch.c
51229 +++ b/drivers/scsi/libfc/fc_exch.c
51230 @@ -101,12 +101,12 @@ struct fc_exch_mgr {
51231 u16 pool_max_index;
51232
51233 struct {
51234 - atomic_t no_free_exch;
51235 - atomic_t no_free_exch_xid;
51236 - atomic_t xid_not_found;
51237 - atomic_t xid_busy;
51238 - atomic_t seq_not_found;
51239 - atomic_t non_bls_resp;
51240 + atomic_unchecked_t no_free_exch;
51241 + atomic_unchecked_t no_free_exch_xid;
51242 + atomic_unchecked_t xid_not_found;
51243 + atomic_unchecked_t xid_busy;
51244 + atomic_unchecked_t seq_not_found;
51245 + atomic_unchecked_t non_bls_resp;
51246 } stats;
51247 };
51248
51249 @@ -811,7 +811,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,
51250 /* allocate memory for exchange */
51251 ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC);
51252 if (!ep) {
51253 - atomic_inc(&mp->stats.no_free_exch);
51254 + atomic_inc_unchecked(&mp->stats.no_free_exch);
51255 goto out;
51256 }
51257 memset(ep, 0, sizeof(*ep));
51258 @@ -874,7 +874,7 @@ out:
51259 return ep;
51260 err:
51261 spin_unlock_bh(&pool->lock);
51262 - atomic_inc(&mp->stats.no_free_exch_xid);
51263 + atomic_inc_unchecked(&mp->stats.no_free_exch_xid);
51264 mempool_free(ep, mp->ep_pool);
51265 return NULL;
51266 }
51267 @@ -1023,7 +1023,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
51268 xid = ntohs(fh->fh_ox_id); /* we originated exch */
51269 ep = fc_exch_find(mp, xid);
51270 if (!ep) {
51271 - atomic_inc(&mp->stats.xid_not_found);
51272 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51273 reject = FC_RJT_OX_ID;
51274 goto out;
51275 }
51276 @@ -1053,7 +1053,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
51277 ep = fc_exch_find(mp, xid);
51278 if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) {
51279 if (ep) {
51280 - atomic_inc(&mp->stats.xid_busy);
51281 + atomic_inc_unchecked(&mp->stats.xid_busy);
51282 reject = FC_RJT_RX_ID;
51283 goto rel;
51284 }
51285 @@ -1064,7 +1064,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
51286 }
51287 xid = ep->xid; /* get our XID */
51288 } else if (!ep) {
51289 - atomic_inc(&mp->stats.xid_not_found);
51290 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51291 reject = FC_RJT_RX_ID; /* XID not found */
51292 goto out;
51293 }
51294 @@ -1082,7 +1082,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
51295 } else {
51296 sp = &ep->seq;
51297 if (sp->id != fh->fh_seq_id) {
51298 - atomic_inc(&mp->stats.seq_not_found);
51299 + atomic_inc_unchecked(&mp->stats.seq_not_found);
51300 if (f_ctl & FC_FC_END_SEQ) {
51301 /*
51302 * Update sequence_id based on incoming last
51303 @@ -1533,22 +1533,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
51304
51305 ep = fc_exch_find(mp, ntohs(fh->fh_ox_id));
51306 if (!ep) {
51307 - atomic_inc(&mp->stats.xid_not_found);
51308 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51309 goto out;
51310 }
51311 if (ep->esb_stat & ESB_ST_COMPLETE) {
51312 - atomic_inc(&mp->stats.xid_not_found);
51313 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51314 goto rel;
51315 }
51316 if (ep->rxid == FC_XID_UNKNOWN)
51317 ep->rxid = ntohs(fh->fh_rx_id);
51318 if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) {
51319 - atomic_inc(&mp->stats.xid_not_found);
51320 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51321 goto rel;
51322 }
51323 if (ep->did != ntoh24(fh->fh_s_id) &&
51324 ep->did != FC_FID_FLOGI) {
51325 - atomic_inc(&mp->stats.xid_not_found);
51326 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51327 goto rel;
51328 }
51329 sof = fr_sof(fp);
51330 @@ -1557,7 +1557,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
51331 sp->ssb_stat |= SSB_ST_RESP;
51332 sp->id = fh->fh_seq_id;
51333 } else if (sp->id != fh->fh_seq_id) {
51334 - atomic_inc(&mp->stats.seq_not_found);
51335 + atomic_inc_unchecked(&mp->stats.seq_not_found);
51336 goto rel;
51337 }
51338
51339 @@ -1619,9 +1619,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
51340 sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */
51341
51342 if (!sp)
51343 - atomic_inc(&mp->stats.xid_not_found);
51344 + atomic_inc_unchecked(&mp->stats.xid_not_found);
51345 else
51346 - atomic_inc(&mp->stats.non_bls_resp);
51347 + atomic_inc_unchecked(&mp->stats.non_bls_resp);
51348
51349 fc_frame_free(fp);
51350 }
51351 @@ -2261,13 +2261,13 @@ void fc_exch_update_stats(struct fc_lport *lport)
51352
51353 list_for_each_entry(ema, &lport->ema_list, ema_list) {
51354 mp = ema->mp;
51355 - st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch);
51356 + st->fc_no_free_exch += atomic_read_unchecked(&mp->stats.no_free_exch);
51357 st->fc_no_free_exch_xid +=
51358 - atomic_read(&mp->stats.no_free_exch_xid);
51359 - st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found);
51360 - st->fc_xid_busy += atomic_read(&mp->stats.xid_busy);
51361 - st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found);
51362 - st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp);
51363 + atomic_read_unchecked(&mp->stats.no_free_exch_xid);
51364 + st->fc_xid_not_found += atomic_read_unchecked(&mp->stats.xid_not_found);
51365 + st->fc_xid_busy += atomic_read_unchecked(&mp->stats.xid_busy);
51366 + st->fc_seq_not_found += atomic_read_unchecked(&mp->stats.seq_not_found);
51367 + st->fc_non_bls_resp += atomic_read_unchecked(&mp->stats.non_bls_resp);
51368 }
51369 }
51370 EXPORT_SYMBOL(fc_exch_update_stats);
51371 diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
51372 index 766098a..1c6c971 100644
51373 --- a/drivers/scsi/libsas/sas_ata.c
51374 +++ b/drivers/scsi/libsas/sas_ata.c
51375 @@ -554,7 +554,7 @@ static struct ata_port_operations sas_sata_ops = {
51376 .postreset = ata_std_postreset,
51377 .error_handler = ata_std_error_handler,
51378 .post_internal_cmd = sas_ata_post_internal,
51379 - .qc_defer = ata_std_qc_defer,
51380 + .qc_defer = ata_std_qc_defer,
51381 .qc_prep = ata_noop_qc_prep,
51382 .qc_issue = sas_ata_qc_issue,
51383 .qc_fill_rtf = sas_ata_qc_fill_rtf,
51384 diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
51385 index 434e903..5a4a79b 100644
51386 --- a/drivers/scsi/lpfc/lpfc.h
51387 +++ b/drivers/scsi/lpfc/lpfc.h
51388 @@ -430,7 +430,7 @@ struct lpfc_vport {
51389 struct dentry *debug_nodelist;
51390 struct dentry *vport_debugfs_root;
51391 struct lpfc_debugfs_trc *disc_trc;
51392 - atomic_t disc_trc_cnt;
51393 + atomic_unchecked_t disc_trc_cnt;
51394 #endif
51395 uint8_t stat_data_enabled;
51396 uint8_t stat_data_blocked;
51397 @@ -880,8 +880,8 @@ struct lpfc_hba {
51398 struct timer_list fabric_block_timer;
51399 unsigned long bit_flags;
51400 #define FABRIC_COMANDS_BLOCKED 0
51401 - atomic_t num_rsrc_err;
51402 - atomic_t num_cmd_success;
51403 + atomic_unchecked_t num_rsrc_err;
51404 + atomic_unchecked_t num_cmd_success;
51405 unsigned long last_rsrc_error_time;
51406 unsigned long last_ramp_down_time;
51407 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
51408 @@ -916,7 +916,7 @@ struct lpfc_hba {
51409
51410 struct dentry *debug_slow_ring_trc;
51411 struct lpfc_debugfs_trc *slow_ring_trc;
51412 - atomic_t slow_ring_trc_cnt;
51413 + atomic_unchecked_t slow_ring_trc_cnt;
51414 /* iDiag debugfs sub-directory */
51415 struct dentry *idiag_root;
51416 struct dentry *idiag_pci_cfg;
51417 diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
51418 index 786a2af..562c6a2 100644
51419 --- a/drivers/scsi/lpfc/lpfc_debugfs.c
51420 +++ b/drivers/scsi/lpfc/lpfc_debugfs.c
51421 @@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
51422
51423 #include <linux/debugfs.h>
51424
51425 -static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
51426 +static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
51427 static unsigned long lpfc_debugfs_start_time = 0L;
51428
51429 /* iDiag */
51430 @@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
51431 lpfc_debugfs_enable = 0;
51432
51433 len = 0;
51434 - index = (atomic_read(&vport->disc_trc_cnt) + 1) &
51435 + index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) &
51436 (lpfc_debugfs_max_disc_trc - 1);
51437 for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
51438 dtp = vport->disc_trc + i;
51439 @@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
51440 lpfc_debugfs_enable = 0;
51441
51442 len = 0;
51443 - index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
51444 + index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) &
51445 (lpfc_debugfs_max_slow_ring_trc - 1);
51446 for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
51447 dtp = phba->slow_ring_trc + i;
51448 @@ -646,14 +646,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
51449 !vport || !vport->disc_trc)
51450 return;
51451
51452 - index = atomic_inc_return(&vport->disc_trc_cnt) &
51453 + index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) &
51454 (lpfc_debugfs_max_disc_trc - 1);
51455 dtp = vport->disc_trc + index;
51456 dtp->fmt = fmt;
51457 dtp->data1 = data1;
51458 dtp->data2 = data2;
51459 dtp->data3 = data3;
51460 - dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
51461 + dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
51462 dtp->jif = jiffies;
51463 #endif
51464 return;
51465 @@ -684,14 +684,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
51466 !phba || !phba->slow_ring_trc)
51467 return;
51468
51469 - index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
51470 + index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) &
51471 (lpfc_debugfs_max_slow_ring_trc - 1);
51472 dtp = phba->slow_ring_trc + index;
51473 dtp->fmt = fmt;
51474 dtp->data1 = data1;
51475 dtp->data2 = data2;
51476 dtp->data3 = data3;
51477 - dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
51478 + dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt);
51479 dtp->jif = jiffies;
51480 #endif
51481 return;
51482 @@ -4268,7 +4268,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
51483 "slow_ring buffer\n");
51484 goto debug_failed;
51485 }
51486 - atomic_set(&phba->slow_ring_trc_cnt, 0);
51487 + atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0);
51488 memset(phba->slow_ring_trc, 0,
51489 (sizeof(struct lpfc_debugfs_trc) *
51490 lpfc_debugfs_max_slow_ring_trc));
51491 @@ -4314,7 +4314,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
51492 "buffer\n");
51493 goto debug_failed;
51494 }
51495 - atomic_set(&vport->disc_trc_cnt, 0);
51496 + atomic_set_unchecked(&vport->disc_trc_cnt, 0);
51497
51498 snprintf(name, sizeof(name), "discovery_trace");
51499 vport->debug_disc_trc =
51500 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
51501 index 0b2c53a..aec2b45 100644
51502 --- a/drivers/scsi/lpfc/lpfc_init.c
51503 +++ b/drivers/scsi/lpfc/lpfc_init.c
51504 @@ -11290,8 +11290,10 @@ lpfc_init(void)
51505 "misc_register returned with status %d", error);
51506
51507 if (lpfc_enable_npiv) {
51508 - lpfc_transport_functions.vport_create = lpfc_vport_create;
51509 - lpfc_transport_functions.vport_delete = lpfc_vport_delete;
51510 + pax_open_kernel();
51511 + *(void **)&lpfc_transport_functions.vport_create = lpfc_vport_create;
51512 + *(void **)&lpfc_transport_functions.vport_delete = lpfc_vport_delete;
51513 + pax_close_kernel();
51514 }
51515 lpfc_transport_template =
51516 fc_attach_transport(&lpfc_transport_functions);
51517 diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
51518 index b99399f..d29dc75 100644
51519 --- a/drivers/scsi/lpfc/lpfc_scsi.c
51520 +++ b/drivers/scsi/lpfc/lpfc_scsi.c
51521 @@ -383,7 +383,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba)
51522 unsigned long expires;
51523
51524 spin_lock_irqsave(&phba->hbalock, flags);
51525 - atomic_inc(&phba->num_rsrc_err);
51526 + atomic_inc_unchecked(&phba->num_rsrc_err);
51527 phba->last_rsrc_error_time = jiffies;
51528
51529 expires = phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL;
51530 @@ -425,8 +425,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
51531 unsigned long num_rsrc_err, num_cmd_success;
51532 int i;
51533
51534 - num_rsrc_err = atomic_read(&phba->num_rsrc_err);
51535 - num_cmd_success = atomic_read(&phba->num_cmd_success);
51536 + num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err);
51537 + num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success);
51538
51539 /*
51540 * The error and success command counters are global per
51541 @@ -454,8 +454,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
51542 }
51543 }
51544 lpfc_destroy_vport_work_array(phba, vports);
51545 - atomic_set(&phba->num_rsrc_err, 0);
51546 - atomic_set(&phba->num_cmd_success, 0);
51547 + atomic_set_unchecked(&phba->num_rsrc_err, 0);
51548 + atomic_set_unchecked(&phba->num_cmd_success, 0);
51549 }
51550
51551 /**
51552 diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
51553 index c80ed04..e674f01 100644
51554 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
51555 +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
51556 @@ -1561,7 +1561,7 @@ _scsih_get_resync(struct device *dev)
51557 {
51558 struct scsi_device *sdev = to_scsi_device(dev);
51559 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
51560 - static struct _raid_device *raid_device;
51561 + struct _raid_device *raid_device;
51562 unsigned long flags;
51563 Mpi2RaidVolPage0_t vol_pg0;
51564 Mpi2ConfigReply_t mpi_reply;
51565 @@ -1613,7 +1613,7 @@ _scsih_get_state(struct device *dev)
51566 {
51567 struct scsi_device *sdev = to_scsi_device(dev);
51568 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
51569 - static struct _raid_device *raid_device;
51570 + struct _raid_device *raid_device;
51571 unsigned long flags;
51572 Mpi2RaidVolPage0_t vol_pg0;
51573 Mpi2ConfigReply_t mpi_reply;
51574 @@ -6663,7 +6663,7 @@ _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
51575 Mpi2EventDataIrOperationStatus_t *event_data =
51576 (Mpi2EventDataIrOperationStatus_t *)
51577 fw_event->event_data;
51578 - static struct _raid_device *raid_device;
51579 + struct _raid_device *raid_device;
51580 unsigned long flags;
51581 u16 handle;
51582
51583 @@ -7134,7 +7134,7 @@ _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc)
51584 u64 sas_address;
51585 struct _sas_device *sas_device;
51586 struct _sas_node *expander_device;
51587 - static struct _raid_device *raid_device;
51588 + struct _raid_device *raid_device;
51589 u8 retry_count;
51590 unsigned long flags;
51591
51592 diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
51593 index bcb64eb..f08cf71 100644
51594 --- a/drivers/scsi/pmcraid.c
51595 +++ b/drivers/scsi/pmcraid.c
51596 @@ -200,8 +200,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
51597 res->scsi_dev = scsi_dev;
51598 scsi_dev->hostdata = res;
51599 res->change_detected = 0;
51600 - atomic_set(&res->read_failures, 0);
51601 - atomic_set(&res->write_failures, 0);
51602 + atomic_set_unchecked(&res->read_failures, 0);
51603 + atomic_set_unchecked(&res->write_failures, 0);
51604 rc = 0;
51605 }
51606 spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags);
51607 @@ -2687,9 +2687,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
51608
51609 /* If this was a SCSI read/write command keep count of errors */
51610 if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD)
51611 - atomic_inc(&res->read_failures);
51612 + atomic_inc_unchecked(&res->read_failures);
51613 else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD)
51614 - atomic_inc(&res->write_failures);
51615 + atomic_inc_unchecked(&res->write_failures);
51616
51617 if (!RES_IS_GSCSI(res->cfg_entry) &&
51618 masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) {
51619 @@ -3545,7 +3545,7 @@ static int pmcraid_queuecommand_lck(
51620 * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
51621 * hrrq_id assigned here in queuecommand
51622 */
51623 - ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
51624 + ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
51625 pinstance->num_hrrq;
51626 cmd->cmd_done = pmcraid_io_done;
51627
51628 @@ -3857,7 +3857,7 @@ static long pmcraid_ioctl_passthrough(
51629 * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
51630 * hrrq_id assigned here in queuecommand
51631 */
51632 - ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
51633 + ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) %
51634 pinstance->num_hrrq;
51635
51636 if (request_size) {
51637 @@ -4495,7 +4495,7 @@ static void pmcraid_worker_function(struct work_struct *workp)
51638
51639 pinstance = container_of(workp, struct pmcraid_instance, worker_q);
51640 /* add resources only after host is added into system */
51641 - if (!atomic_read(&pinstance->expose_resources))
51642 + if (!atomic_read_unchecked(&pinstance->expose_resources))
51643 return;
51644
51645 fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
51646 @@ -5312,8 +5312,8 @@ static int pmcraid_init_instance(struct pci_dev *pdev, struct Scsi_Host *host,
51647 init_waitqueue_head(&pinstance->reset_wait_q);
51648
51649 atomic_set(&pinstance->outstanding_cmds, 0);
51650 - atomic_set(&pinstance->last_message_id, 0);
51651 - atomic_set(&pinstance->expose_resources, 0);
51652 + atomic_set_unchecked(&pinstance->last_message_id, 0);
51653 + atomic_set_unchecked(&pinstance->expose_resources, 0);
51654
51655 INIT_LIST_HEAD(&pinstance->free_res_q);
51656 INIT_LIST_HEAD(&pinstance->used_res_q);
51657 @@ -6026,7 +6026,7 @@ static int pmcraid_probe(struct pci_dev *pdev,
51658 /* Schedule worker thread to handle CCN and take care of adding and
51659 * removing devices to OS
51660 */
51661 - atomic_set(&pinstance->expose_resources, 1);
51662 + atomic_set_unchecked(&pinstance->expose_resources, 1);
51663 schedule_work(&pinstance->worker_q);
51664 return rc;
51665
51666 diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
51667 index e1d150f..6c6df44 100644
51668 --- a/drivers/scsi/pmcraid.h
51669 +++ b/drivers/scsi/pmcraid.h
51670 @@ -748,7 +748,7 @@ struct pmcraid_instance {
51671 struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS];
51672
51673 /* Message id as filled in last fired IOARCB, used to identify HRRQ */
51674 - atomic_t last_message_id;
51675 + atomic_unchecked_t last_message_id;
51676
51677 /* configuration table */
51678 struct pmcraid_config_table *cfg_table;
51679 @@ -777,7 +777,7 @@ struct pmcraid_instance {
51680 atomic_t outstanding_cmds;
51681
51682 /* should add/delete resources to mid-layer now ?*/
51683 - atomic_t expose_resources;
51684 + atomic_unchecked_t expose_resources;
51685
51686
51687
51688 @@ -813,8 +813,8 @@ struct pmcraid_resource_entry {
51689 struct pmcraid_config_table_entry_ext cfg_entry_ext;
51690 };
51691 struct scsi_device *scsi_dev; /* Link scsi_device structure */
51692 - atomic_t read_failures; /* count of failed READ commands */
51693 - atomic_t write_failures; /* count of failed WRITE commands */
51694 + atomic_unchecked_t read_failures; /* count of failed READ commands */
51695 + atomic_unchecked_t write_failures; /* count of failed WRITE commands */
51696
51697 /* To indicate add/delete/modify during CCN */
51698 u8 change_detected;
51699 diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
51700 index 82b92c4..3178171 100644
51701 --- a/drivers/scsi/qla2xxx/qla_attr.c
51702 +++ b/drivers/scsi/qla2xxx/qla_attr.c
51703 @@ -2192,7 +2192,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
51704 return 0;
51705 }
51706
51707 -struct fc_function_template qla2xxx_transport_functions = {
51708 +fc_function_template_no_const qla2xxx_transport_functions = {
51709
51710 .show_host_node_name = 1,
51711 .show_host_port_name = 1,
51712 @@ -2240,7 +2240,7 @@ struct fc_function_template qla2xxx_transport_functions = {
51713 .bsg_timeout = qla24xx_bsg_timeout,
51714 };
51715
51716 -struct fc_function_template qla2xxx_transport_vport_functions = {
51717 +fc_function_template_no_const qla2xxx_transport_vport_functions = {
51718
51719 .show_host_node_name = 1,
51720 .show_host_port_name = 1,
51721 diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
51722 index b1865a7..a7723d3 100644
51723 --- a/drivers/scsi/qla2xxx/qla_gbl.h
51724 +++ b/drivers/scsi/qla2xxx/qla_gbl.h
51725 @@ -571,8 +571,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *, size_t);
51726 struct device_attribute;
51727 extern struct device_attribute *qla2x00_host_attrs[];
51728 struct fc_function_template;
51729 -extern struct fc_function_template qla2xxx_transport_functions;
51730 -extern struct fc_function_template qla2xxx_transport_vport_functions;
51731 +extern fc_function_template_no_const qla2xxx_transport_functions;
51732 +extern fc_function_template_no_const qla2xxx_transport_vport_functions;
51733 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
51734 extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *, bool);
51735 extern void qla2x00_init_host_attr(scsi_qla_host_t *);
51736 diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
51737 index db3dbd9..2492392 100644
51738 --- a/drivers/scsi/qla2xxx/qla_os.c
51739 +++ b/drivers/scsi/qla2xxx/qla_os.c
51740 @@ -1507,8 +1507,10 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha)
51741 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
51742 /* Ok, a 64bit DMA mask is applicable. */
51743 ha->flags.enable_64bit_addressing = 1;
51744 - ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
51745 - ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
51746 + pax_open_kernel();
51747 + *(void **)&ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
51748 + *(void **)&ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
51749 + pax_close_kernel();
51750 return;
51751 }
51752 }
51753 diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
51754 index 8f6d0fb..1b21097 100644
51755 --- a/drivers/scsi/qla4xxx/ql4_def.h
51756 +++ b/drivers/scsi/qla4xxx/ql4_def.h
51757 @@ -305,7 +305,7 @@ struct ddb_entry {
51758 * (4000 only) */
51759 atomic_t relogin_timer; /* Max Time to wait for
51760 * relogin to complete */
51761 - atomic_t relogin_retry_count; /* Num of times relogin has been
51762 + atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been
51763 * retried */
51764 uint32_t default_time2wait; /* Default Min time between
51765 * relogins (+aens) */
51766 diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
51767 index 199fcf7..3c3a918 100644
51768 --- a/drivers/scsi/qla4xxx/ql4_os.c
51769 +++ b/drivers/scsi/qla4xxx/ql4_os.c
51770 @@ -4496,12 +4496,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
51771 */
51772 if (!iscsi_is_session_online(cls_sess)) {
51773 /* Reset retry relogin timer */
51774 - atomic_inc(&ddb_entry->relogin_retry_count);
51775 + atomic_inc_unchecked(&ddb_entry->relogin_retry_count);
51776 DEBUG2(ql4_printk(KERN_INFO, ha,
51777 "%s: index[%d] relogin timed out-retrying"
51778 " relogin (%d), retry (%d)\n", __func__,
51779 ddb_entry->fw_ddb_index,
51780 - atomic_read(&ddb_entry->relogin_retry_count),
51781 + atomic_read_unchecked(&ddb_entry->relogin_retry_count),
51782 ddb_entry->default_time2wait + 4));
51783 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
51784 atomic_set(&ddb_entry->retry_relogin_timer,
51785 @@ -6609,7 +6609,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
51786
51787 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
51788 atomic_set(&ddb_entry->relogin_timer, 0);
51789 - atomic_set(&ddb_entry->relogin_retry_count, 0);
51790 + atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0);
51791 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
51792 ddb_entry->default_relogin_timeout =
51793 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
51794 diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
51795 index 79c77b4..ef6ec0b 100644
51796 --- a/drivers/scsi/scsi.c
51797 +++ b/drivers/scsi/scsi.c
51798 @@ -645,7 +645,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
51799 struct Scsi_Host *host = cmd->device->host;
51800 int rtn = 0;
51801
51802 - atomic_inc(&cmd->device->iorequest_cnt);
51803 + atomic_inc_unchecked(&cmd->device->iorequest_cnt);
51804
51805 /* check if the device is still usable */
51806 if (unlikely(cmd->device->sdev_state == SDEV_DEL)) {
51807 diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
51808 index 17fb051..937fbbd 100644
51809 --- a/drivers/scsi/scsi_lib.c
51810 +++ b/drivers/scsi/scsi_lib.c
51811 @@ -1583,7 +1583,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
51812 shost = sdev->host;
51813 scsi_init_cmd_errh(cmd);
51814 cmd->result = DID_NO_CONNECT << 16;
51815 - atomic_inc(&cmd->device->iorequest_cnt);
51816 + atomic_inc_unchecked(&cmd->device->iorequest_cnt);
51817
51818 /*
51819 * SCSI request completion path will do scsi_device_unbusy(),
51820 @@ -1606,9 +1606,9 @@ static void scsi_softirq_done(struct request *rq)
51821
51822 INIT_LIST_HEAD(&cmd->eh_entry);
51823
51824 - atomic_inc(&cmd->device->iodone_cnt);
51825 + atomic_inc_unchecked(&cmd->device->iodone_cnt);
51826 if (cmd->result)
51827 - atomic_inc(&cmd->device->ioerr_cnt);
51828 + atomic_inc_unchecked(&cmd->device->ioerr_cnt);
51829
51830 disposition = scsi_decide_disposition(cmd);
51831 if (disposition != SUCCESS &&
51832 diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
51833 index f4cb7b3..dfa79c4 100644
51834 --- a/drivers/scsi/scsi_sysfs.c
51835 +++ b/drivers/scsi/scsi_sysfs.c
51836 @@ -805,7 +805,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \
51837 char *buf) \
51838 { \
51839 struct scsi_device *sdev = to_scsi_device(dev); \
51840 - unsigned long long count = atomic_read(&sdev->field); \
51841 + unsigned long long count = atomic_read_unchecked(&sdev->field); \
51842 return snprintf(buf, 20, "0x%llx\n", count); \
51843 } \
51844 static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)
51845 diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
51846 index 5d6f348..18778a6b 100644
51847 --- a/drivers/scsi/scsi_transport_fc.c
51848 +++ b/drivers/scsi/scsi_transport_fc.c
51849 @@ -501,7 +501,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class,
51850 * Netlink Infrastructure
51851 */
51852
51853 -static atomic_t fc_event_seq;
51854 +static atomic_unchecked_t fc_event_seq;
51855
51856 /**
51857 * fc_get_event_number - Obtain the next sequential FC event number
51858 @@ -514,7 +514,7 @@ static atomic_t fc_event_seq;
51859 u32
51860 fc_get_event_number(void)
51861 {
51862 - return atomic_add_return(1, &fc_event_seq);
51863 + return atomic_add_return_unchecked(1, &fc_event_seq);
51864 }
51865 EXPORT_SYMBOL(fc_get_event_number);
51866
51867 @@ -658,7 +658,7 @@ static __init int fc_transport_init(void)
51868 {
51869 int error;
51870
51871 - atomic_set(&fc_event_seq, 0);
51872 + atomic_set_unchecked(&fc_event_seq, 0);
51873
51874 error = transport_class_register(&fc_host_class);
51875 if (error)
51876 @@ -848,7 +848,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val)
51877 char *cp;
51878
51879 *val = simple_strtoul(buf, &cp, 0);
51880 - if ((*cp && (*cp != '\n')) || (*val < 0))
51881 + if (*cp && (*cp != '\n'))
51882 return -EINVAL;
51883 /*
51884 * Check for overflow; dev_loss_tmo is u32
51885 diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
51886 index 67d43e3..8cee73c 100644
51887 --- a/drivers/scsi/scsi_transport_iscsi.c
51888 +++ b/drivers/scsi/scsi_transport_iscsi.c
51889 @@ -79,7 +79,7 @@ struct iscsi_internal {
51890 struct transport_container session_cont;
51891 };
51892
51893 -static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
51894 +static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */
51895 static struct workqueue_struct *iscsi_eh_timer_workq;
51896
51897 static DEFINE_IDA(iscsi_sess_ida);
51898 @@ -2071,7 +2071,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
51899 int err;
51900
51901 ihost = shost->shost_data;
51902 - session->sid = atomic_add_return(1, &iscsi_session_nr);
51903 + session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr);
51904
51905 if (target_id == ISCSI_MAX_TARGET) {
51906 id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL);
51907 @@ -4515,7 +4515,7 @@ static __init int iscsi_transport_init(void)
51908 printk(KERN_INFO "Loading iSCSI transport class v%s.\n",
51909 ISCSI_TRANSPORT_VERSION);
51910
51911 - atomic_set(&iscsi_session_nr, 0);
51912 + atomic_set_unchecked(&iscsi_session_nr, 0);
51913
51914 err = class_register(&iscsi_transport_class);
51915 if (err)
51916 diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
51917 index ae45bd9..c32a586 100644
51918 --- a/drivers/scsi/scsi_transport_srp.c
51919 +++ b/drivers/scsi/scsi_transport_srp.c
51920 @@ -35,7 +35,7 @@
51921 #include "scsi_priv.h"
51922
51923 struct srp_host_attrs {
51924 - atomic_t next_port_id;
51925 + atomic_unchecked_t next_port_id;
51926 };
51927 #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data)
51928
51929 @@ -100,7 +100,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev,
51930 struct Scsi_Host *shost = dev_to_shost(dev);
51931 struct srp_host_attrs *srp_host = to_srp_host_attrs(shost);
51932
51933 - atomic_set(&srp_host->next_port_id, 0);
51934 + atomic_set_unchecked(&srp_host->next_port_id, 0);
51935 return 0;
51936 }
51937
51938 @@ -734,7 +734,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost,
51939 rport_fast_io_fail_timedout);
51940 INIT_DELAYED_WORK(&rport->dev_loss_work, rport_dev_loss_timedout);
51941
51942 - id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id);
51943 + id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id);
51944 dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id);
51945
51946 transport_setup_device(&rport->dev);
51947 diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
51948 index cfba74c..415f09b 100644
51949 --- a/drivers/scsi/sd.c
51950 +++ b/drivers/scsi/sd.c
51951 @@ -3022,7 +3022,7 @@ static int sd_probe(struct device *dev)
51952 sdkp->disk = gd;
51953 sdkp->index = index;
51954 atomic_set(&sdkp->openers, 0);
51955 - atomic_set(&sdkp->device->ioerr_cnt, 0);
51956 + atomic_set_unchecked(&sdkp->device->ioerr_cnt, 0);
51957
51958 if (!sdp->request_queue->rq_timeout) {
51959 if (sdp->type != TYPE_MOD)
51960 diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
51961 index 6035444..c82edd4 100644
51962 --- a/drivers/scsi/sg.c
51963 +++ b/drivers/scsi/sg.c
51964 @@ -1138,7 +1138,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
51965 sdp->disk->disk_name,
51966 MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
51967 NULL,
51968 - (char *)arg);
51969 + (char __user *)arg);
51970 case BLKTRACESTART:
51971 return blk_trace_startstop(sdp->device->request_queue, 1);
51972 case BLKTRACESTOP:
51973 diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
51974 index 11a5043..e36f04c 100644
51975 --- a/drivers/soc/tegra/fuse/fuse-tegra.c
51976 +++ b/drivers/soc/tegra/fuse/fuse-tegra.c
51977 @@ -70,7 +70,7 @@ static ssize_t fuse_read(struct file *fd, struct kobject *kobj,
51978 return i;
51979 }
51980
51981 -static struct bin_attribute fuse_bin_attr = {
51982 +static bin_attribute_no_const fuse_bin_attr = {
51983 .attr = { .name = "fuse", .mode = S_IRUGO, },
51984 .read = fuse_read,
51985 };
51986 diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
51987 index 50f20f2..6bd81e0 100644
51988 --- a/drivers/spi/spi.c
51989 +++ b/drivers/spi/spi.c
51990 @@ -2224,7 +2224,7 @@ int spi_bus_unlock(struct spi_master *master)
51991 EXPORT_SYMBOL_GPL(spi_bus_unlock);
51992
51993 /* portable code must never pass more than 32 bytes */
51994 -#define SPI_BUFSIZ max(32, SMP_CACHE_BYTES)
51995 +#define SPI_BUFSIZ max(32UL, SMP_CACHE_BYTES)
51996
51997 static u8 *buf;
51998
51999 diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c
52000 index b41429f..2de5373 100644
52001 --- a/drivers/staging/android/timed_output.c
52002 +++ b/drivers/staging/android/timed_output.c
52003 @@ -25,7 +25,7 @@
52004 #include "timed_output.h"
52005
52006 static struct class *timed_output_class;
52007 -static atomic_t device_count;
52008 +static atomic_unchecked_t device_count;
52009
52010 static ssize_t enable_show(struct device *dev, struct device_attribute *attr,
52011 char *buf)
52012 @@ -65,7 +65,7 @@ static int create_timed_output_class(void)
52013 timed_output_class = class_create(THIS_MODULE, "timed_output");
52014 if (IS_ERR(timed_output_class))
52015 return PTR_ERR(timed_output_class);
52016 - atomic_set(&device_count, 0);
52017 + atomic_set_unchecked(&device_count, 0);
52018 timed_output_class->dev_groups = timed_output_groups;
52019 }
52020
52021 @@ -83,7 +83,7 @@ int timed_output_dev_register(struct timed_output_dev *tdev)
52022 if (ret < 0)
52023 return ret;
52024
52025 - tdev->index = atomic_inc_return(&device_count);
52026 + tdev->index = atomic_inc_return_unchecked(&device_count);
52027 tdev->dev = device_create(timed_output_class, NULL,
52028 MKDEV(0, tdev->index), NULL, "%s", tdev->name);
52029 if (IS_ERR(tdev->dev))
52030 diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c
52031 index 001348c..cfaac8a 100644
52032 --- a/drivers/staging/gdm724x/gdm_tty.c
52033 +++ b/drivers/staging/gdm724x/gdm_tty.c
52034 @@ -44,7 +44,7 @@
52035 #define gdm_tty_send_control(n, r, v, d, l) (\
52036 n->tty_dev->send_control(n->tty_dev->priv_dev, r, v, d, l))
52037
52038 -#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count)
52039 +#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && atomic_read(&gdm->port.count))
52040
52041 static struct tty_driver *gdm_driver[TTY_MAX_COUNT];
52042 static struct gdm *gdm_table[TTY_MAX_COUNT][GDM_TTY_MINOR];
52043 diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
52044 index 9cb222e..8766f26 100644
52045 --- a/drivers/staging/imx-drm/imx-drm-core.c
52046 +++ b/drivers/staging/imx-drm/imx-drm-core.c
52047 @@ -357,7 +357,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc,
52048 if (imxdrm->pipes >= MAX_CRTC)
52049 return -EINVAL;
52050
52051 - if (imxdrm->drm->open_count)
52052 + if (local_read(&imxdrm->drm->open_count))
52053 return -EBUSY;
52054
52055 imx_drm_crtc = kzalloc(sizeof(*imx_drm_crtc), GFP_KERNEL);
52056 diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
52057 index 503b2d7..c904931 100644
52058 --- a/drivers/staging/line6/driver.c
52059 +++ b/drivers/staging/line6/driver.c
52060 @@ -463,7 +463,7 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data,
52061 {
52062 struct usb_device *usbdev = line6->usbdev;
52063 int ret;
52064 - unsigned char len;
52065 + unsigned char *plen;
52066
52067 /* query the serial number: */
52068 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
52069 @@ -476,27 +476,34 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data,
52070 return ret;
52071 }
52072
52073 + plen = kmalloc(1, GFP_KERNEL);
52074 + if (plen == NULL)
52075 + return -ENOMEM;
52076 +
52077 /* Wait for data length. We'll get 0xff until length arrives. */
52078 do {
52079 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
52080 USB_TYPE_VENDOR | USB_RECIP_DEVICE |
52081 USB_DIR_IN,
52082 - 0x0012, 0x0000, &len, 1,
52083 + 0x0012, 0x0000, plen, 1,
52084 LINE6_TIMEOUT * HZ);
52085 if (ret < 0) {
52086 dev_err(line6->ifcdev,
52087 "receive length failed (error %d)\n", ret);
52088 + kfree(plen);
52089 return ret;
52090 }
52091 - } while (len == 0xff);
52092 + } while (*plen == 0xff);
52093
52094 - if (len != datalen) {
52095 + if (*plen != datalen) {
52096 /* should be equal or something went wrong */
52097 dev_err(line6->ifcdev,
52098 "length mismatch (expected %d, got %d)\n",
52099 - (int)datalen, (int)len);
52100 + (int)datalen, (int)*plen);
52101 + kfree(plen);
52102 return -EINVAL;
52103 }
52104 + kfree(plen);
52105
52106 /* receive the result: */
52107 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
52108 @@ -520,7 +527,7 @@ int line6_write_data(struct usb_line6 *line6, int address, void *data,
52109 {
52110 struct usb_device *usbdev = line6->usbdev;
52111 int ret;
52112 - unsigned char status;
52113 + unsigned char *status;
52114
52115 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67,
52116 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
52117 @@ -533,26 +540,34 @@ int line6_write_data(struct usb_line6 *line6, int address, void *data,
52118 return ret;
52119 }
52120
52121 + status = kmalloc(1, GFP_KERNEL);
52122 + if (status == NULL)
52123 + return -ENOMEM;
52124 +
52125 do {
52126 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
52127 0x67,
52128 USB_TYPE_VENDOR | USB_RECIP_DEVICE |
52129 USB_DIR_IN,
52130 0x0012, 0x0000,
52131 - &status, 1, LINE6_TIMEOUT * HZ);
52132 + status, 1, LINE6_TIMEOUT * HZ);
52133
52134 if (ret < 0) {
52135 dev_err(line6->ifcdev,
52136 "receiving status failed (error %d)\n", ret);
52137 + kfree(status);
52138 return ret;
52139 }
52140 - } while (status == 0xff);
52141 + } while (*status == 0xff);
52142
52143 - if (status != 0) {
52144 + if (*status != 0) {
52145 dev_err(line6->ifcdev, "write failed (error %d)\n", ret);
52146 + kfree(status);
52147 return -EINVAL;
52148 }
52149
52150 + kfree(status);
52151 +
52152 return 0;
52153 }
52154
52155 diff --git a/drivers/staging/line6/toneport.c b/drivers/staging/line6/toneport.c
52156 index 6943715..0a93632 100644
52157 --- a/drivers/staging/line6/toneport.c
52158 +++ b/drivers/staging/line6/toneport.c
52159 @@ -11,6 +11,7 @@
52160 */
52161
52162 #include <linux/wait.h>
52163 +#include <linux/slab.h>
52164 #include <sound/control.h>
52165
52166 #include "audio.h"
52167 @@ -307,14 +308,20 @@ static void toneport_destruct(struct usb_interface *interface)
52168 */
52169 static void toneport_setup(struct usb_line6_toneport *toneport)
52170 {
52171 - int ticks;
52172 + int *ticks;
52173 struct usb_line6 *line6 = &toneport->line6;
52174 struct usb_device *usbdev = line6->usbdev;
52175 u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
52176
52177 + ticks = kmalloc(sizeof(int), GFP_KERNEL);
52178 + if (ticks == NULL)
52179 + return;
52180 +
52181 /* sync time on device with host: */
52182 - ticks = (int)get_seconds();
52183 - line6_write_data(line6, 0x80c6, &ticks, 4);
52184 + *ticks = (int)get_seconds();
52185 + line6_write_data(line6, 0x80c6, ticks, sizeof(int));
52186 +
52187 + kfree(ticks);
52188
52189 /* enable device: */
52190 toneport_send_cmd(usbdev, 0x0301, 0x0000);
52191 diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c
52192 index a94f336..6a1924d 100644
52193 --- a/drivers/staging/lustre/lnet/selftest/brw_test.c
52194 +++ b/drivers/staging/lustre/lnet/selftest/brw_test.c
52195 @@ -488,13 +488,11 @@ brw_server_handle(struct srpc_server_rpc *rpc)
52196 return 0;
52197 }
52198
52199 -sfw_test_client_ops_t brw_test_client;
52200 -void brw_init_test_client(void)
52201 -{
52202 - brw_test_client.tso_init = brw_client_init;
52203 - brw_test_client.tso_fini = brw_client_fini;
52204 - brw_test_client.tso_prep_rpc = brw_client_prep_rpc;
52205 - brw_test_client.tso_done_rpc = brw_client_done_rpc;
52206 +sfw_test_client_ops_t brw_test_client = {
52207 + .tso_init = brw_client_init,
52208 + .tso_fini = brw_client_fini,
52209 + .tso_prep_rpc = brw_client_prep_rpc,
52210 + .tso_done_rpc = brw_client_done_rpc,
52211 };
52212
52213 srpc_service_t brw_test_service;
52214 diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c
52215 index df04ab7..1deb1ac 100644
52216 --- a/drivers/staging/lustre/lnet/selftest/framework.c
52217 +++ b/drivers/staging/lustre/lnet/selftest/framework.c
52218 @@ -1632,12 +1632,10 @@ static srpc_service_t sfw_services[] = {
52219
52220 extern sfw_test_client_ops_t ping_test_client;
52221 extern srpc_service_t ping_test_service;
52222 -extern void ping_init_test_client(void);
52223 extern void ping_init_test_service(void);
52224
52225 extern sfw_test_client_ops_t brw_test_client;
52226 extern srpc_service_t brw_test_service;
52227 -extern void brw_init_test_client(void);
52228 extern void brw_init_test_service(void);
52229
52230
52231 @@ -1681,12 +1679,10 @@ sfw_startup (void)
52232 INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs);
52233 INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions);
52234
52235 - brw_init_test_client();
52236 brw_init_test_service();
52237 rc = sfw_register_test(&brw_test_service, &brw_test_client);
52238 LASSERT (rc == 0);
52239
52240 - ping_init_test_client();
52241 ping_init_test_service();
52242 rc = sfw_register_test(&ping_test_service, &ping_test_client);
52243 LASSERT (rc == 0);
52244 diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c
52245 index 750cac4..e4d751f 100644
52246 --- a/drivers/staging/lustre/lnet/selftest/ping_test.c
52247 +++ b/drivers/staging/lustre/lnet/selftest/ping_test.c
52248 @@ -211,14 +211,12 @@ ping_server_handle(struct srpc_server_rpc *rpc)
52249 return 0;
52250 }
52251
52252 -sfw_test_client_ops_t ping_test_client;
52253 -void ping_init_test_client(void)
52254 -{
52255 - ping_test_client.tso_init = ping_client_init;
52256 - ping_test_client.tso_fini = ping_client_fini;
52257 - ping_test_client.tso_prep_rpc = ping_client_prep_rpc;
52258 - ping_test_client.tso_done_rpc = ping_client_done_rpc;
52259 -}
52260 +sfw_test_client_ops_t ping_test_client = {
52261 + .tso_init = ping_client_init,
52262 + .tso_fini = ping_client_fini,
52263 + .tso_prep_rpc = ping_client_prep_rpc,
52264 + .tso_done_rpc = ping_client_done_rpc,
52265 +};
52266
52267 srpc_service_t ping_test_service;
52268 void ping_init_test_service(void)
52269 diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h
52270 index 14ac46f..eca2c16 100644
52271 --- a/drivers/staging/lustre/lustre/include/lustre_dlm.h
52272 +++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h
52273 @@ -1139,7 +1139,7 @@ struct ldlm_callback_suite {
52274 ldlm_completion_callback lcs_completion;
52275 ldlm_blocking_callback lcs_blocking;
52276 ldlm_glimpse_callback lcs_glimpse;
52277 -};
52278 +} __no_const;
52279
52280 /* ldlm_lockd.c */
52281 int ldlm_del_waiting_lock(struct ldlm_lock *lock);
52282 diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h
52283 index 2a88b80..62e7e5f 100644
52284 --- a/drivers/staging/lustre/lustre/include/obd.h
52285 +++ b/drivers/staging/lustre/lustre/include/obd.h
52286 @@ -1362,7 +1362,7 @@ struct md_ops {
52287 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
52288 * wrapper function in include/linux/obd_class.h.
52289 */
52290 -};
52291 +} __no_const;
52292
52293 struct lsm_operations {
52294 void (*lsm_free)(struct lov_stripe_md *);
52295 diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
52296 index b798daa..b28ca8f 100644
52297 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
52298 +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
52299 @@ -258,7 +258,7 @@ ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, int first_enq,
52300 int added = (mode == LCK_NL);
52301 int overlaps = 0;
52302 int splitted = 0;
52303 - const struct ldlm_callback_suite null_cbs = { NULL };
52304 + const struct ldlm_callback_suite null_cbs = { };
52305
52306 CDEBUG(D_DLMTRACE, "flags %#llx owner %llu pid %u mode %u start %llu end %llu\n",
52307 *flags, new->l_policy_data.l_flock.owner,
52308 diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-proc.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-proc.c
52309 index bbe2c68..c6b4275 100644
52310 --- a/drivers/staging/lustre/lustre/libcfs/linux/linux-proc.c
52311 +++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-proc.c
52312 @@ -236,7 +236,7 @@ int proc_console_max_delay_cs(struct ctl_table *table, int write,
52313 void __user *buffer, size_t *lenp, loff_t *ppos)
52314 {
52315 int rc, max_delay_cs;
52316 - struct ctl_table dummy = *table;
52317 + ctl_table_no_const dummy = *table;
52318 long d;
52319
52320 dummy.data = &max_delay_cs;
52321 @@ -268,7 +268,7 @@ int proc_console_min_delay_cs(struct ctl_table *table, int write,
52322 void __user *buffer, size_t *lenp, loff_t *ppos)
52323 {
52324 int rc, min_delay_cs;
52325 - struct ctl_table dummy = *table;
52326 + ctl_table_no_const dummy = *table;
52327 long d;
52328
52329 dummy.data = &min_delay_cs;
52330 @@ -300,7 +300,7 @@ int proc_console_backoff(struct ctl_table *table, int write,
52331 void __user *buffer, size_t *lenp, loff_t *ppos)
52332 {
52333 int rc, backoff;
52334 - struct ctl_table dummy = *table;
52335 + ctl_table_no_const dummy = *table;
52336
52337 dummy.data = &backoff;
52338 dummy.proc_handler = &proc_dointvec;
52339 diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c
52340 index 2c4fc74..b04ca79 100644
52341 --- a/drivers/staging/lustre/lustre/libcfs/module.c
52342 +++ b/drivers/staging/lustre/lustre/libcfs/module.c
52343 @@ -315,11 +315,11 @@ out:
52344
52345
52346 struct cfs_psdev_ops libcfs_psdev_ops = {
52347 - libcfs_psdev_open,
52348 - libcfs_psdev_release,
52349 - NULL,
52350 - NULL,
52351 - libcfs_ioctl
52352 + .p_open = libcfs_psdev_open,
52353 + .p_close = libcfs_psdev_release,
52354 + .p_read = NULL,
52355 + .p_write = NULL,
52356 + .p_ioctl = libcfs_ioctl
52357 };
52358
52359 extern int insert_proc(void);
52360 diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
52361 index b0bb709..0117c96 100644
52362 --- a/drivers/staging/lustre/lustre/llite/dir.c
52363 +++ b/drivers/staging/lustre/lustre/llite/dir.c
52364 @@ -661,7 +661,7 @@ int ll_dir_setdirstripe(struct inode *dir, struct lmv_user_md *lump,
52365 int mode;
52366 int err;
52367
52368 - mode = (0755 & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
52369 + mode = (0755 & (S_IRWXUGO|S_ISVTX) & ~current_umask()) | S_IFDIR;
52370 op_data = ll_prep_md_op_data(NULL, dir, NULL, filename,
52371 strlen(filename), mode, LUSTRE_OPC_MKDIR,
52372 lump);
52373 diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
52374 index b2b6c3c..302e4e4 100644
52375 --- a/drivers/staging/octeon/ethernet-rx.c
52376 +++ b/drivers/staging/octeon/ethernet-rx.c
52377 @@ -416,11 +416,11 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
52378 /* Increment RX stats for virtual ports */
52379 if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) {
52380 #ifdef CONFIG_64BIT
52381 - atomic64_add(1, (atomic64_t *)&priv->stats.rx_packets);
52382 - atomic64_add(skb->len, (atomic64_t *)&priv->stats.rx_bytes);
52383 + atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_packets);
52384 + atomic64_add_unchecked(skb->len, (atomic64_unchecked_t *)&priv->stats.rx_bytes);
52385 #else
52386 - atomic_add(1, (atomic_t *)&priv->stats.rx_packets);
52387 - atomic_add(skb->len, (atomic_t *)&priv->stats.rx_bytes);
52388 + atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_packets);
52389 + atomic_add_unchecked(skb->len, (atomic_unchecked_t *)&priv->stats.rx_bytes);
52390 #endif
52391 }
52392 netif_receive_skb(skb);
52393 @@ -431,9 +431,9 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
52394 dev->name);
52395 */
52396 #ifdef CONFIG_64BIT
52397 - atomic64_add(1, (atomic64_t *)&priv->stats.rx_dropped);
52398 + atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_dropped);
52399 #else
52400 - atomic_add(1, (atomic_t *)&priv->stats.rx_dropped);
52401 + atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_dropped);
52402 #endif
52403 dev_kfree_skb_irq(skb);
52404 }
52405 diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
52406 index 8f9e3fb..d283fb9 100644
52407 --- a/drivers/staging/octeon/ethernet.c
52408 +++ b/drivers/staging/octeon/ethernet.c
52409 @@ -247,11 +247,11 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
52410 * since the RX tasklet also increments it.
52411 */
52412 #ifdef CONFIG_64BIT
52413 - atomic64_add(rx_status.dropped_packets,
52414 - (atomic64_t *)&priv->stats.rx_dropped);
52415 + atomic64_add_unchecked(rx_status.dropped_packets,
52416 + (atomic64_unchecked_t *)&priv->stats.rx_dropped);
52417 #else
52418 - atomic_add(rx_status.dropped_packets,
52419 - (atomic_t *)&priv->stats.rx_dropped);
52420 + atomic_add_unchecked(rx_status.dropped_packets,
52421 + (atomic_unchecked_t *)&priv->stats.rx_dropped);
52422 #endif
52423 }
52424
52425 diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h
52426 index 9191993..30e9817 100644
52427 --- a/drivers/staging/rtl8188eu/include/hal_intf.h
52428 +++ b/drivers/staging/rtl8188eu/include/hal_intf.h
52429 @@ -225,7 +225,7 @@ struct hal_ops {
52430
52431 void (*hal_notch_filter)(struct adapter *adapter, bool enable);
52432 void (*hal_reset_security_engine)(struct adapter *adapter);
52433 -};
52434 +} __no_const;
52435
52436 enum rt_eeprom_type {
52437 EEPROM_93C46,
52438 diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h
52439 index 070cc03..6806e37 100644
52440 --- a/drivers/staging/rtl8712/rtl871x_io.h
52441 +++ b/drivers/staging/rtl8712/rtl871x_io.h
52442 @@ -108,7 +108,7 @@ struct _io_ops {
52443 u8 *pmem);
52444 u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
52445 u8 *pmem);
52446 -};
52447 +} __no_const;
52448
52449 struct io_req {
52450 struct list_head list;
52451 diff --git a/drivers/staging/unisys/visorchipset/visorchipset.h b/drivers/staging/unisys/visorchipset/visorchipset.h
52452 index 2bf2e2f..84421c9 100644
52453 --- a/drivers/staging/unisys/visorchipset/visorchipset.h
52454 +++ b/drivers/staging/unisys/visorchipset/visorchipset.h
52455 @@ -228,7 +228,7 @@ typedef struct {
52456 void (*device_resume)(ulong busNo, ulong devNo);
52457 int (*get_channel_info)(uuid_le typeGuid, ulong *minSize,
52458 ulong *maxSize);
52459 -} VISORCHIPSET_BUSDEV_NOTIFIERS;
52460 +} __no_const VISORCHIPSET_BUSDEV_NOTIFIERS;
52461
52462 /* These functions live inside visorchipset, and will be called to indicate
52463 * responses to specific events (by code outside of visorchipset).
52464 @@ -243,7 +243,7 @@ typedef struct {
52465 void (*device_destroy)(ulong busNo, ulong devNo, int response);
52466 void (*device_pause)(ulong busNo, ulong devNo, int response);
52467 void (*device_resume)(ulong busNo, ulong devNo, int response);
52468 -} VISORCHIPSET_BUSDEV_RESPONDERS;
52469 +} __no_const VISORCHIPSET_BUSDEV_RESPONDERS;
52470
52471 /** Register functions (in the bus driver) to get called by visorchipset
52472 * whenever a bus or device appears for which this service partition is
52473 diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
52474 index ae0dade..803d53a 100644
52475 --- a/drivers/staging/vt6655/hostap.c
52476 +++ b/drivers/staging/vt6655/hostap.c
52477 @@ -65,14 +65,13 @@
52478 *
52479 */
52480
52481 +static net_device_ops_no_const apdev_netdev_ops;
52482 +
52483 static int hostap_enable_hostapd(struct vnt_private *pDevice, int rtnl_locked)
52484 {
52485 struct vnt_private *apdev_priv;
52486 struct net_device *dev = pDevice->dev;
52487 int ret;
52488 - const struct net_device_ops apdev_netdev_ops = {
52489 - .ndo_start_xmit = pDevice->tx_80211,
52490 - };
52491
52492 pr_debug("%s: Enabling hostapd mode\n", dev->name);
52493
52494 @@ -84,6 +83,8 @@ static int hostap_enable_hostapd(struct vnt_private *pDevice, int rtnl_locked)
52495 *apdev_priv = *pDevice;
52496 eth_hw_addr_inherit(pDevice->apdev, dev);
52497
52498 + /* only half broken now */
52499 + apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211;
52500 pDevice->apdev->netdev_ops = &apdev_netdev_ops;
52501
52502 pDevice->apdev->type = ARPHRD_IEEE80211;
52503 diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
52504 index e7e9372..161f530 100644
52505 --- a/drivers/target/sbp/sbp_target.c
52506 +++ b/drivers/target/sbp/sbp_target.c
52507 @@ -62,7 +62,7 @@ static const u32 sbp_unit_directory_template[] = {
52508
52509 #define SESSION_MAINTENANCE_INTERVAL HZ
52510
52511 -static atomic_t login_id = ATOMIC_INIT(0);
52512 +static atomic_unchecked_t login_id = ATOMIC_INIT(0);
52513
52514 static void session_maintenance_work(struct work_struct *);
52515 static int sbp_run_transaction(struct fw_card *, int, int, int, int,
52516 @@ -444,7 +444,7 @@ static void sbp_management_request_login(
52517 login->lun = se_lun;
52518 login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo);
52519 login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc));
52520 - login->login_id = atomic_inc_return(&login_id);
52521 + login->login_id = atomic_inc_return_unchecked(&login_id);
52522
52523 login->tgt_agt = sbp_target_agent_register(login);
52524 if (IS_ERR(login->tgt_agt)) {
52525 diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
52526 index 24fa5d1..fae56f1 100644
52527 --- a/drivers/target/target_core_device.c
52528 +++ b/drivers/target/target_core_device.c
52529 @@ -1532,7 +1532,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
52530 spin_lock_init(&dev->se_tmr_lock);
52531 spin_lock_init(&dev->qf_cmd_lock);
52532 sema_init(&dev->caw_sem, 1);
52533 - atomic_set(&dev->dev_ordered_id, 0);
52534 + atomic_set_unchecked(&dev->dev_ordered_id, 0);
52535 INIT_LIST_HEAD(&dev->t10_wwn.t10_vpd_list);
52536 spin_lock_init(&dev->t10_wwn.t10_vpd_lock);
52537 INIT_LIST_HEAD(&dev->t10_pr.registration_list);
52538 diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
52539 index be877bf..7be9cd4 100644
52540 --- a/drivers/target/target_core_transport.c
52541 +++ b/drivers/target/target_core_transport.c
52542 @@ -1168,7 +1168,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd)
52543 * Used to determine when ORDERED commands should go from
52544 * Dormant to Active status.
52545 */
52546 - cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id);
52547 + cmd->se_ordered_id = atomic_inc_return_unchecked(&dev->dev_ordered_id);
52548 pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n",
52549 cmd->se_ordered_id, cmd->sam_task_attr,
52550 dev->transport->name);
52551 diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c
52552 index edc1cce..769e4cb 100644
52553 --- a/drivers/thermal/int340x_thermal/int3400_thermal.c
52554 +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c
52555 @@ -209,8 +209,10 @@ static int int3400_thermal_probe(struct platform_device *pdev)
52556 platform_set_drvdata(pdev, priv);
52557
52558 if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) {
52559 - int3400_thermal_ops.get_mode = int3400_thermal_get_mode;
52560 - int3400_thermal_ops.set_mode = int3400_thermal_set_mode;
52561 + pax_open_kernel();
52562 + *(void **)&int3400_thermal_ops.get_mode = int3400_thermal_get_mode;
52563 + *(void **)&int3400_thermal_ops.set_mode = int3400_thermal_set_mode;
52564 + pax_close_kernel();
52565 }
52566 priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0,
52567 priv, &int3400_thermal_ops,
52568 diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
52569 index 62143ba..ae21165 100644
52570 --- a/drivers/thermal/of-thermal.c
52571 +++ b/drivers/thermal/of-thermal.c
52572 @@ -30,6 +30,7 @@
52573 #include <linux/err.h>
52574 #include <linux/export.h>
52575 #include <linux/string.h>
52576 +#include <linux/mm.h>
52577
52578 #include "thermal_core.h"
52579
52580 @@ -341,8 +342,10 @@ thermal_zone_of_add_sensor(struct device_node *zone,
52581 tz->get_trend = get_trend;
52582 tz->sensor_data = data;
52583
52584 - tzd->ops->get_temp = of_thermal_get_temp;
52585 - tzd->ops->get_trend = of_thermal_get_trend;
52586 + pax_open_kernel();
52587 + *(void **)&tzd->ops->get_temp = of_thermal_get_temp;
52588 + *(void **)&tzd->ops->get_trend = of_thermal_get_trend;
52589 + pax_close_kernel();
52590 mutex_unlock(&tzd->lock);
52591
52592 return tzd;
52593 @@ -473,8 +476,10 @@ void thermal_zone_of_sensor_unregister(struct device *dev,
52594 return;
52595
52596 mutex_lock(&tzd->lock);
52597 - tzd->ops->get_temp = NULL;
52598 - tzd->ops->get_trend = NULL;
52599 + pax_open_kernel();
52600 + *(void **)&tzd->ops->get_temp = NULL;
52601 + *(void **)&tzd->ops->get_trend = NULL;
52602 + pax_close_kernel();
52603
52604 tz->get_temp = NULL;
52605 tz->get_trend = NULL;
52606 diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
52607 index fd66f57..48e6376 100644
52608 --- a/drivers/tty/cyclades.c
52609 +++ b/drivers/tty/cyclades.c
52610 @@ -1570,10 +1570,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
52611 printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line,
52612 info->port.count);
52613 #endif
52614 - info->port.count++;
52615 + atomic_inc(&info->port.count);
52616 #ifdef CY_DEBUG_COUNT
52617 printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n",
52618 - current->pid, info->port.count);
52619 + current->pid, atomic_read(&info->port.count));
52620 #endif
52621
52622 /*
52623 @@ -3974,7 +3974,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v)
52624 for (j = 0; j < cy_card[i].nports; j++) {
52625 info = &cy_card[i].ports[j];
52626
52627 - if (info->port.count) {
52628 + if (atomic_read(&info->port.count)) {
52629 /* XXX is the ldisc num worth this? */
52630 struct tty_struct *tty;
52631 struct tty_ldisc *ld;
52632 diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
52633 index 4fcec1d..5a036f7 100644
52634 --- a/drivers/tty/hvc/hvc_console.c
52635 +++ b/drivers/tty/hvc/hvc_console.c
52636 @@ -342,7 +342,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
52637
52638 spin_lock_irqsave(&hp->port.lock, flags);
52639 /* Check and then increment for fast path open. */
52640 - if (hp->port.count++ > 0) {
52641 + if (atomic_inc_return(&hp->port.count) > 1) {
52642 spin_unlock_irqrestore(&hp->port.lock, flags);
52643 hvc_kick();
52644 return 0;
52645 @@ -397,7 +397,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
52646
52647 spin_lock_irqsave(&hp->port.lock, flags);
52648
52649 - if (--hp->port.count == 0) {
52650 + if (atomic_dec_return(&hp->port.count) == 0) {
52651 spin_unlock_irqrestore(&hp->port.lock, flags);
52652 /* We are done with the tty pointer now. */
52653 tty_port_tty_set(&hp->port, NULL);
52654 @@ -419,9 +419,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
52655 */
52656 tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT);
52657 } else {
52658 - if (hp->port.count < 0)
52659 + if (atomic_read(&hp->port.count) < 0)
52660 printk(KERN_ERR "hvc_close %X: oops, count is %d\n",
52661 - hp->vtermno, hp->port.count);
52662 + hp->vtermno, atomic_read(&hp->port.count));
52663 spin_unlock_irqrestore(&hp->port.lock, flags);
52664 }
52665 }
52666 @@ -451,12 +451,12 @@ static void hvc_hangup(struct tty_struct *tty)
52667 * open->hangup case this can be called after the final close so prevent
52668 * that from happening for now.
52669 */
52670 - if (hp->port.count <= 0) {
52671 + if (atomic_read(&hp->port.count) <= 0) {
52672 spin_unlock_irqrestore(&hp->port.lock, flags);
52673 return;
52674 }
52675
52676 - hp->port.count = 0;
52677 + atomic_set(&hp->port.count, 0);
52678 spin_unlock_irqrestore(&hp->port.lock, flags);
52679 tty_port_tty_set(&hp->port, NULL);
52680
52681 @@ -504,7 +504,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count
52682 return -EPIPE;
52683
52684 /* FIXME what's this (unprotected) check for? */
52685 - if (hp->port.count <= 0)
52686 + if (atomic_read(&hp->port.count) <= 0)
52687 return -EIO;
52688
52689 spin_lock_irqsave(&hp->lock, flags);
52690 diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
52691 index 81e939e..95ead10 100644
52692 --- a/drivers/tty/hvc/hvcs.c
52693 +++ b/drivers/tty/hvc/hvcs.c
52694 @@ -83,6 +83,7 @@
52695 #include <asm/hvcserver.h>
52696 #include <asm/uaccess.h>
52697 #include <asm/vio.h>
52698 +#include <asm/local.h>
52699
52700 /*
52701 * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00).
52702 @@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut
52703
52704 spin_lock_irqsave(&hvcsd->lock, flags);
52705
52706 - if (hvcsd->port.count > 0) {
52707 + if (atomic_read(&hvcsd->port.count) > 0) {
52708 spin_unlock_irqrestore(&hvcsd->lock, flags);
52709 printk(KERN_INFO "HVCS: vterm state unchanged. "
52710 "The hvcs device node is still in use.\n");
52711 @@ -1127,7 +1128,7 @@ static int hvcs_install(struct tty_driver *driver, struct tty_struct *tty)
52712 }
52713 }
52714
52715 - hvcsd->port.count = 0;
52716 + atomic_set(&hvcsd->port.count, 0);
52717 hvcsd->port.tty = tty;
52718 tty->driver_data = hvcsd;
52719
52720 @@ -1180,7 +1181,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp)
52721 unsigned long flags;
52722
52723 spin_lock_irqsave(&hvcsd->lock, flags);
52724 - hvcsd->port.count++;
52725 + atomic_inc(&hvcsd->port.count);
52726 hvcsd->todo_mask |= HVCS_SCHED_READ;
52727 spin_unlock_irqrestore(&hvcsd->lock, flags);
52728
52729 @@ -1216,7 +1217,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
52730 hvcsd = tty->driver_data;
52731
52732 spin_lock_irqsave(&hvcsd->lock, flags);
52733 - if (--hvcsd->port.count == 0) {
52734 + if (atomic_dec_and_test(&hvcsd->port.count)) {
52735
52736 vio_disable_interrupts(hvcsd->vdev);
52737
52738 @@ -1241,10 +1242,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp)
52739
52740 free_irq(irq, hvcsd);
52741 return;
52742 - } else if (hvcsd->port.count < 0) {
52743 + } else if (atomic_read(&hvcsd->port.count) < 0) {
52744 printk(KERN_ERR "HVCS: vty-server@%X open_count: %d"
52745 " is missmanaged.\n",
52746 - hvcsd->vdev->unit_address, hvcsd->port.count);
52747 + hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count));
52748 }
52749
52750 spin_unlock_irqrestore(&hvcsd->lock, flags);
52751 @@ -1266,7 +1267,7 @@ static void hvcs_hangup(struct tty_struct * tty)
52752
52753 spin_lock_irqsave(&hvcsd->lock, flags);
52754 /* Preserve this so that we know how many kref refs to put */
52755 - temp_open_count = hvcsd->port.count;
52756 + temp_open_count = atomic_read(&hvcsd->port.count);
52757
52758 /*
52759 * Don't kref put inside the spinlock because the destruction
52760 @@ -1281,7 +1282,7 @@ static void hvcs_hangup(struct tty_struct * tty)
52761 tty->driver_data = NULL;
52762 hvcsd->port.tty = NULL;
52763
52764 - hvcsd->port.count = 0;
52765 + atomic_set(&hvcsd->port.count, 0);
52766
52767 /* This will drop any buffered data on the floor which is OK in a hangup
52768 * scenario. */
52769 @@ -1352,7 +1353,7 @@ static int hvcs_write(struct tty_struct *tty,
52770 * the middle of a write operation? This is a crummy place to do this
52771 * but we want to keep it all in the spinlock.
52772 */
52773 - if (hvcsd->port.count <= 0) {
52774 + if (atomic_read(&hvcsd->port.count) <= 0) {
52775 spin_unlock_irqrestore(&hvcsd->lock, flags);
52776 return -ENODEV;
52777 }
52778 @@ -1426,7 +1427,7 @@ static int hvcs_write_room(struct tty_struct *tty)
52779 {
52780 struct hvcs_struct *hvcsd = tty->driver_data;
52781
52782 - if (!hvcsd || hvcsd->port.count <= 0)
52783 + if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0)
52784 return 0;
52785
52786 return HVCS_BUFF_LEN - hvcsd->chars_in_buffer;
52787 diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c
52788 index 4190199..06d5bfa 100644
52789 --- a/drivers/tty/hvc/hvsi.c
52790 +++ b/drivers/tty/hvc/hvsi.c
52791 @@ -85,7 +85,7 @@ struct hvsi_struct {
52792 int n_outbuf;
52793 uint32_t vtermno;
52794 uint32_t virq;
52795 - atomic_t seqno; /* HVSI packet sequence number */
52796 + atomic_unchecked_t seqno; /* HVSI packet sequence number */
52797 uint16_t mctrl;
52798 uint8_t state; /* HVSI protocol state */
52799 uint8_t flags;
52800 @@ -295,7 +295,7 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno)
52801
52802 packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER;
52803 packet.hdr.len = sizeof(struct hvsi_query_response);
52804 - packet.hdr.seqno = atomic_inc_return(&hp->seqno);
52805 + packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno);
52806 packet.verb = VSV_SEND_VERSION_NUMBER;
52807 packet.u.version = HVSI_VERSION;
52808 packet.query_seqno = query_seqno+1;
52809 @@ -555,7 +555,7 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb)
52810
52811 packet.hdr.type = VS_QUERY_PACKET_HEADER;
52812 packet.hdr.len = sizeof(struct hvsi_query);
52813 - packet.hdr.seqno = atomic_inc_return(&hp->seqno);
52814 + packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno);
52815 packet.verb = verb;
52816
52817 pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len);
52818 @@ -597,7 +597,7 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl)
52819 int wrote;
52820
52821 packet.hdr.type = VS_CONTROL_PACKET_HEADER,
52822 - packet.hdr.seqno = atomic_inc_return(&hp->seqno);
52823 + packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno);
52824 packet.hdr.len = sizeof(struct hvsi_control);
52825 packet.verb = VSV_SET_MODEM_CTL;
52826 packet.mask = HVSI_TSDTR;
52827 @@ -680,7 +680,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count)
52828 BUG_ON(count > HVSI_MAX_OUTGOING_DATA);
52829
52830 packet.hdr.type = VS_DATA_PACKET_HEADER;
52831 - packet.hdr.seqno = atomic_inc_return(&hp->seqno);
52832 + packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno);
52833 packet.hdr.len = count + sizeof(struct hvsi_header);
52834 memcpy(&packet.data, buf, count);
52835
52836 @@ -697,7 +697,7 @@ static void hvsi_close_protocol(struct hvsi_struct *hp)
52837 struct hvsi_control packet __ALIGNED__;
52838
52839 packet.hdr.type = VS_CONTROL_PACKET_HEADER;
52840 - packet.hdr.seqno = atomic_inc_return(&hp->seqno);
52841 + packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno);
52842 packet.hdr.len = 6;
52843 packet.verb = VSV_CLOSE_PROTOCOL;
52844
52845 @@ -725,7 +725,7 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp)
52846
52847 tty_port_tty_set(&hp->port, tty);
52848 spin_lock_irqsave(&hp->lock, flags);
52849 - hp->port.count++;
52850 + atomic_inc(&hp->port.count);
52851 atomic_set(&hp->seqno, 0);
52852 h_vio_signal(hp->vtermno, VIO_IRQ_ENABLE);
52853 spin_unlock_irqrestore(&hp->lock, flags);
52854 @@ -782,7 +782,7 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp)
52855
52856 spin_lock_irqsave(&hp->lock, flags);
52857
52858 - if (--hp->port.count == 0) {
52859 + if (atomic_dec_return(&hp->port.count) == 0) {
52860 tty_port_tty_set(&hp->port, NULL);
52861 hp->inbuf_end = hp->inbuf; /* discard remaining partial packets */
52862
52863 @@ -815,9 +815,9 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp)
52864
52865 spin_lock_irqsave(&hp->lock, flags);
52866 }
52867 - } else if (hp->port.count < 0)
52868 + } else if (atomic_read(&hp->port.count) < 0)
52869 printk(KERN_ERR "hvsi_close %lu: oops, count is %d\n",
52870 - hp - hvsi_ports, hp->port.count);
52871 + hp - hvsi_ports, atomic_read(&hp->port.count));
52872
52873 spin_unlock_irqrestore(&hp->lock, flags);
52874 }
52875 @@ -832,7 +832,7 @@ static void hvsi_hangup(struct tty_struct *tty)
52876 tty_port_tty_set(&hp->port, NULL);
52877
52878 spin_lock_irqsave(&hp->lock, flags);
52879 - hp->port.count = 0;
52880 + atomic_set(&hp->port.count, 0);
52881 hp->n_outbuf = 0;
52882 spin_unlock_irqrestore(&hp->lock, flags);
52883 }
52884 diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c
52885 index 7ae6c29..05c6dba 100644
52886 --- a/drivers/tty/hvc/hvsi_lib.c
52887 +++ b/drivers/tty/hvc/hvsi_lib.c
52888 @@ -8,7 +8,7 @@
52889
52890 static int hvsi_send_packet(struct hvsi_priv *pv, struct hvsi_header *packet)
52891 {
52892 - packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno));
52893 + packet->seqno = cpu_to_be16(atomic_inc_return_unchecked(&pv->seqno));
52894
52895 /* Assumes that always succeeds, works in practice */
52896 return pv->put_chars(pv->termno, (char *)packet, packet->len);
52897 @@ -20,7 +20,7 @@ static void hvsi_start_handshake(struct hvsi_priv *pv)
52898
52899 /* Reset state */
52900 pv->established = 0;
52901 - atomic_set(&pv->seqno, 0);
52902 + atomic_set_unchecked(&pv->seqno, 0);
52903
52904 pr_devel("HVSI@%x: Handshaking started\n", pv->termno);
52905
52906 diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
52907 index 345cebb..d5a1e9e 100644
52908 --- a/drivers/tty/ipwireless/tty.c
52909 +++ b/drivers/tty/ipwireless/tty.c
52910 @@ -28,6 +28,7 @@
52911 #include <linux/tty_driver.h>
52912 #include <linux/tty_flip.h>
52913 #include <linux/uaccess.h>
52914 +#include <asm/local.h>
52915
52916 #include "tty.h"
52917 #include "network.h"
52918 @@ -93,10 +94,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
52919 return -ENODEV;
52920
52921 mutex_lock(&tty->ipw_tty_mutex);
52922 - if (tty->port.count == 0)
52923 + if (atomic_read(&tty->port.count) == 0)
52924 tty->tx_bytes_queued = 0;
52925
52926 - tty->port.count++;
52927 + atomic_inc(&tty->port.count);
52928
52929 tty->port.tty = linux_tty;
52930 linux_tty->driver_data = tty;
52931 @@ -112,9 +113,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
52932
52933 static void do_ipw_close(struct ipw_tty *tty)
52934 {
52935 - tty->port.count--;
52936 -
52937 - if (tty->port.count == 0) {
52938 + if (atomic_dec_return(&tty->port.count) == 0) {
52939 struct tty_struct *linux_tty = tty->port.tty;
52940
52941 if (linux_tty != NULL) {
52942 @@ -135,7 +134,7 @@ static void ipw_hangup(struct tty_struct *linux_tty)
52943 return;
52944
52945 mutex_lock(&tty->ipw_tty_mutex);
52946 - if (tty->port.count == 0) {
52947 + if (atomic_read(&tty->port.count) == 0) {
52948 mutex_unlock(&tty->ipw_tty_mutex);
52949 return;
52950 }
52951 @@ -158,7 +157,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data,
52952
52953 mutex_lock(&tty->ipw_tty_mutex);
52954
52955 - if (!tty->port.count) {
52956 + if (!atomic_read(&tty->port.count)) {
52957 mutex_unlock(&tty->ipw_tty_mutex);
52958 return;
52959 }
52960 @@ -197,7 +196,7 @@ static int ipw_write(struct tty_struct *linux_tty,
52961 return -ENODEV;
52962
52963 mutex_lock(&tty->ipw_tty_mutex);
52964 - if (!tty->port.count) {
52965 + if (!atomic_read(&tty->port.count)) {
52966 mutex_unlock(&tty->ipw_tty_mutex);
52967 return -EINVAL;
52968 }
52969 @@ -237,7 +236,7 @@ static int ipw_write_room(struct tty_struct *linux_tty)
52970 if (!tty)
52971 return -ENODEV;
52972
52973 - if (!tty->port.count)
52974 + if (!atomic_read(&tty->port.count))
52975 return -EINVAL;
52976
52977 room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued;
52978 @@ -279,7 +278,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty)
52979 if (!tty)
52980 return 0;
52981
52982 - if (!tty->port.count)
52983 + if (!atomic_read(&tty->port.count))
52984 return 0;
52985
52986 return tty->tx_bytes_queued;
52987 @@ -360,7 +359,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty)
52988 if (!tty)
52989 return -ENODEV;
52990
52991 - if (!tty->port.count)
52992 + if (!atomic_read(&tty->port.count))
52993 return -EINVAL;
52994
52995 return get_control_lines(tty);
52996 @@ -376,7 +375,7 @@ ipw_tiocmset(struct tty_struct *linux_tty,
52997 if (!tty)
52998 return -ENODEV;
52999
53000 - if (!tty->port.count)
53001 + if (!atomic_read(&tty->port.count))
53002 return -EINVAL;
53003
53004 return set_control_lines(tty, set, clear);
53005 @@ -390,7 +389,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty,
53006 if (!tty)
53007 return -ENODEV;
53008
53009 - if (!tty->port.count)
53010 + if (!atomic_read(&tty->port.count))
53011 return -EINVAL;
53012
53013 /* FIXME: Exactly how is the tty object locked here .. */
53014 @@ -546,7 +545,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
53015 * are gone */
53016 mutex_lock(&ttyj->ipw_tty_mutex);
53017 }
53018 - while (ttyj->port.count)
53019 + while (atomic_read(&ttyj->port.count))
53020 do_ipw_close(ttyj);
53021 ipwireless_disassociate_network_ttys(network,
53022 ttyj->channel_idx);
53023 diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
53024 index 14c54e0..1efd4f2 100644
53025 --- a/drivers/tty/moxa.c
53026 +++ b/drivers/tty/moxa.c
53027 @@ -1189,7 +1189,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
53028 }
53029
53030 ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
53031 - ch->port.count++;
53032 + atomic_inc(&ch->port.count);
53033 tty->driver_data = ch;
53034 tty_port_tty_set(&ch->port, tty);
53035 mutex_lock(&ch->port.mutex);
53036 diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
53037 index c434376..114ce13 100644
53038 --- a/drivers/tty/n_gsm.c
53039 +++ b/drivers/tty/n_gsm.c
53040 @@ -1644,7 +1644,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr)
53041 spin_lock_init(&dlci->lock);
53042 mutex_init(&dlci->mutex);
53043 dlci->fifo = &dlci->_fifo;
53044 - if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) {
53045 + if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) {
53046 kfree(dlci);
53047 return NULL;
53048 }
53049 @@ -2958,7 +2958,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
53050 struct gsm_dlci *dlci = tty->driver_data;
53051 struct tty_port *port = &dlci->port;
53052
53053 - port->count++;
53054 + atomic_inc(&port->count);
53055 tty_port_tty_set(port, tty);
53056
53057 dlci->modem_rx = 0;
53058 diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
53059 index 47ca0f3..3c0b803 100644
53060 --- a/drivers/tty/n_tty.c
53061 +++ b/drivers/tty/n_tty.c
53062 @@ -115,7 +115,7 @@ struct n_tty_data {
53063 int minimum_to_wake;
53064
53065 /* consumer-published */
53066 - size_t read_tail;
53067 + size_t read_tail __intentional_overflow(-1);
53068 size_t line_start;
53069
53070 /* protected by output lock */
53071 @@ -2523,6 +2523,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
53072 {
53073 *ops = tty_ldisc_N_TTY;
53074 ops->owner = NULL;
53075 - ops->refcount = ops->flags = 0;
53076 + atomic_set(&ops->refcount, 0);
53077 + ops->flags = 0;
53078 }
53079 EXPORT_SYMBOL_GPL(n_tty_inherit_ops);
53080 diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
53081 index 7c4447a..70fbc1e 100644
53082 --- a/drivers/tty/pty.c
53083 +++ b/drivers/tty/pty.c
53084 @@ -830,8 +830,10 @@ static void __init unix98_pty_init(void)
53085 panic("Couldn't register Unix98 pts driver");
53086
53087 /* Now create the /dev/ptmx special device */
53088 + pax_open_kernel();
53089 tty_default_fops(&ptmx_fops);
53090 - ptmx_fops.open = ptmx_open;
53091 + *(void **)&ptmx_fops.open = ptmx_open;
53092 + pax_close_kernel();
53093
53094 cdev_init(&ptmx_cdev, &ptmx_fops);
53095 if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) ||
53096 diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
53097 index 383c4c7..d408e21 100644
53098 --- a/drivers/tty/rocket.c
53099 +++ b/drivers/tty/rocket.c
53100 @@ -914,7 +914,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
53101 tty->driver_data = info;
53102 tty_port_tty_set(port, tty);
53103
53104 - if (port->count++ == 0) {
53105 + if (atomic_inc_return(&port->count) == 1) {
53106 atomic_inc(&rp_num_ports_open);
53107
53108 #ifdef ROCKET_DEBUG_OPEN
53109 @@ -923,7 +923,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp)
53110 #endif
53111 }
53112 #ifdef ROCKET_DEBUG_OPEN
53113 - printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count);
53114 + printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic-read(&info->port.count));
53115 #endif
53116
53117 /*
53118 @@ -1515,7 +1515,7 @@ static void rp_hangup(struct tty_struct *tty)
53119 spin_unlock_irqrestore(&info->port.lock, flags);
53120 return;
53121 }
53122 - if (info->port.count)
53123 + if (atomic_read(&info->port.count))
53124 atomic_dec(&rp_num_ports_open);
53125 clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
53126 spin_unlock_irqrestore(&info->port.lock, flags);
53127 diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c
53128 index aa28209..e08fb85 100644
53129 --- a/drivers/tty/serial/ioc4_serial.c
53130 +++ b/drivers/tty/serial/ioc4_serial.c
53131 @@ -437,7 +437,7 @@ struct ioc4_soft {
53132 } is_intr_info[MAX_IOC4_INTR_ENTS];
53133
53134 /* Number of entries active in the above array */
53135 - atomic_t is_num_intrs;
53136 + atomic_unchecked_t is_num_intrs;
53137 } is_intr_type[IOC4_NUM_INTR_TYPES];
53138
53139 /* is_ir_lock must be held while
53140 @@ -974,7 +974,7 @@ intr_connect(struct ioc4_soft *soft, int type,
53141 BUG_ON(!((type == IOC4_SIO_INTR_TYPE)
53142 || (type == IOC4_OTHER_INTR_TYPE)));
53143
53144 - i = atomic_inc_return(&soft-> is_intr_type[type].is_num_intrs) - 1;
53145 + i = atomic_inc_return_unchecked(&soft-> is_intr_type[type].is_num_intrs) - 1;
53146 BUG_ON(!(i < MAX_IOC4_INTR_ENTS || (printk("i %d\n", i), 0)));
53147
53148 /* Save off the lower level interrupt handler */
53149 @@ -1001,7 +1001,7 @@ static irqreturn_t ioc4_intr(int irq, void *arg)
53150
53151 soft = arg;
53152 for (intr_type = 0; intr_type < IOC4_NUM_INTR_TYPES; intr_type++) {
53153 - num_intrs = (int)atomic_read(
53154 + num_intrs = (int)atomic_read_unchecked(
53155 &soft->is_intr_type[intr_type].is_num_intrs);
53156
53157 this_mir = this_ir = pending_intrs(soft, intr_type);
53158 diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c
53159 index 129dc5b..1da5bb8 100644
53160 --- a/drivers/tty/serial/kgdb_nmi.c
53161 +++ b/drivers/tty/serial/kgdb_nmi.c
53162 @@ -53,7 +53,9 @@ static int kgdb_nmi_console_setup(struct console *co, char *options)
53163 * I/O utilities that messages sent to the console will automatically
53164 * be displayed on the dbg_io.
53165 */
53166 - dbg_io_ops->is_console = true;
53167 + pax_open_kernel();
53168 + *(int *)&dbg_io_ops->is_console = true;
53169 + pax_close_kernel();
53170
53171 return 0;
53172 }
53173 diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
53174 index a260cde..6b2b5ce 100644
53175 --- a/drivers/tty/serial/kgdboc.c
53176 +++ b/drivers/tty/serial/kgdboc.c
53177 @@ -24,8 +24,9 @@
53178 #define MAX_CONFIG_LEN 40
53179
53180 static struct kgdb_io kgdboc_io_ops;
53181 +static struct kgdb_io kgdboc_io_ops_console;
53182
53183 -/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */
53184 +/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */
53185 static int configured = -1;
53186
53187 static char config[MAX_CONFIG_LEN];
53188 @@ -151,6 +152,8 @@ static void cleanup_kgdboc(void)
53189 kgdboc_unregister_kbd();
53190 if (configured == 1)
53191 kgdb_unregister_io_module(&kgdboc_io_ops);
53192 + else if (configured == 2)
53193 + kgdb_unregister_io_module(&kgdboc_io_ops_console);
53194 }
53195
53196 static int configure_kgdboc(void)
53197 @@ -160,13 +163,13 @@ static int configure_kgdboc(void)
53198 int err;
53199 char *cptr = config;
53200 struct console *cons;
53201 + int is_console = 0;
53202
53203 err = kgdboc_option_setup(config);
53204 if (err || !strlen(config) || isspace(config[0]))
53205 goto noconfig;
53206
53207 err = -ENODEV;
53208 - kgdboc_io_ops.is_console = 0;
53209 kgdb_tty_driver = NULL;
53210
53211 kgdboc_use_kms = 0;
53212 @@ -187,7 +190,7 @@ static int configure_kgdboc(void)
53213 int idx;
53214 if (cons->device && cons->device(cons, &idx) == p &&
53215 idx == tty_line) {
53216 - kgdboc_io_ops.is_console = 1;
53217 + is_console = 1;
53218 break;
53219 }
53220 cons = cons->next;
53221 @@ -197,7 +200,13 @@ static int configure_kgdboc(void)
53222 kgdb_tty_line = tty_line;
53223
53224 do_register:
53225 - err = kgdb_register_io_module(&kgdboc_io_ops);
53226 + if (is_console) {
53227 + err = kgdb_register_io_module(&kgdboc_io_ops_console);
53228 + configured = 2;
53229 + } else {
53230 + err = kgdb_register_io_module(&kgdboc_io_ops);
53231 + configured = 1;
53232 + }
53233 if (err)
53234 goto noconfig;
53235
53236 @@ -205,8 +214,6 @@ do_register:
53237 if (err)
53238 goto nmi_con_failed;
53239
53240 - configured = 1;
53241 -
53242 return 0;
53243
53244 nmi_con_failed:
53245 @@ -223,7 +230,7 @@ noconfig:
53246 static int __init init_kgdboc(void)
53247 {
53248 /* Already configured? */
53249 - if (configured == 1)
53250 + if (configured >= 1)
53251 return 0;
53252
53253 return configure_kgdboc();
53254 @@ -272,7 +279,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
53255 if (config[len - 1] == '\n')
53256 config[len - 1] = '\0';
53257
53258 - if (configured == 1)
53259 + if (configured >= 1)
53260 cleanup_kgdboc();
53261
53262 /* Go and configure with the new params. */
53263 @@ -312,6 +319,15 @@ static struct kgdb_io kgdboc_io_ops = {
53264 .post_exception = kgdboc_post_exp_handler,
53265 };
53266
53267 +static struct kgdb_io kgdboc_io_ops_console = {
53268 + .name = "kgdboc",
53269 + .read_char = kgdboc_get_char,
53270 + .write_char = kgdboc_put_char,
53271 + .pre_exception = kgdboc_pre_exp_handler,
53272 + .post_exception = kgdboc_post_exp_handler,
53273 + .is_console = 1
53274 +};
53275 +
53276 #ifdef CONFIG_KGDB_SERIAL_CONSOLE
53277 /* This is only available if kgdboc is a built in for early debugging */
53278 static int __init kgdboc_early_init(char *opt)
53279 diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
53280 index 4b6c783..9a19db3 100644
53281 --- a/drivers/tty/serial/msm_serial.c
53282 +++ b/drivers/tty/serial/msm_serial.c
53283 @@ -1028,7 +1028,7 @@ static struct uart_driver msm_uart_driver = {
53284 .cons = MSM_CONSOLE,
53285 };
53286
53287 -static atomic_t msm_uart_next_id = ATOMIC_INIT(0);
53288 +static atomic_unchecked_t msm_uart_next_id = ATOMIC_INIT(0);
53289
53290 static const struct of_device_id msm_uartdm_table[] = {
53291 { .compatible = "qcom,msm-uartdm-v1.1", .data = (void *)UARTDM_1P1 },
53292 @@ -1047,7 +1047,7 @@ static int msm_serial_probe(struct platform_device *pdev)
53293 int irq;
53294
53295 if (pdev->id == -1)
53296 - pdev->id = atomic_inc_return(&msm_uart_next_id) - 1;
53297 + pdev->id = atomic_inc_return_unchecked(&msm_uart_next_id) - 1;
53298
53299 if (unlikely(pdev->id < 0 || pdev->id >= UART_NR))
53300 return -ENXIO;
53301 diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
53302 index 587d63b..48423a6 100644
53303 --- a/drivers/tty/serial/samsung.c
53304 +++ b/drivers/tty/serial/samsung.c
53305 @@ -478,11 +478,16 @@ static void s3c24xx_serial_shutdown(struct uart_port *port)
53306 }
53307 }
53308
53309 +static int s3c64xx_serial_startup(struct uart_port *port);
53310 static int s3c24xx_serial_startup(struct uart_port *port)
53311 {
53312 struct s3c24xx_uart_port *ourport = to_ourport(port);
53313 int ret;
53314
53315 + /* Startup sequence is different for s3c64xx and higher SoC's */
53316 + if (s3c24xx_serial_has_interrupt_mask(port))
53317 + return s3c64xx_serial_startup(port);
53318 +
53319 dbg("s3c24xx_serial_startup: port=%p (%08llx,%p)\n",
53320 port, (unsigned long long)port->mapbase, port->membase);
53321
53322 @@ -1159,10 +1164,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
53323 /* setup info for port */
53324 port->dev = &platdev->dev;
53325
53326 - /* Startup sequence is different for s3c64xx and higher SoC's */
53327 - if (s3c24xx_serial_has_interrupt_mask(port))
53328 - s3c24xx_serial_ops.startup = s3c64xx_serial_startup;
53329 -
53330 port->uartclk = 1;
53331
53332 if (cfg->uart_flags & UPF_CONS_FLOW) {
53333 diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
53334 index a28dee9..168ba47 100644
53335 --- a/drivers/tty/serial/serial_core.c
53336 +++ b/drivers/tty/serial/serial_core.c
53337 @@ -1339,7 +1339,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
53338
53339 pr_debug("uart_close(%d) called\n", uport ? uport->line : -1);
53340
53341 - if (!port->count || tty_port_close_start(port, tty, filp) == 0)
53342 + if (!atomic_read(&port->count) || tty_port_close_start(port, tty, filp) == 0)
53343 return;
53344
53345 /*
53346 @@ -1466,7 +1466,7 @@ static void uart_hangup(struct tty_struct *tty)
53347 uart_flush_buffer(tty);
53348 uart_shutdown(tty, state);
53349 spin_lock_irqsave(&port->lock, flags);
53350 - port->count = 0;
53351 + atomic_set(&port->count, 0);
53352 clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
53353 spin_unlock_irqrestore(&port->lock, flags);
53354 tty_port_tty_set(port, NULL);
53355 @@ -1564,7 +1564,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
53356 goto end;
53357 }
53358
53359 - port->count++;
53360 + atomic_inc(&port->count);
53361 if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
53362 retval = -ENXIO;
53363 goto err_dec_count;
53364 @@ -1596,7 +1596,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
53365 end:
53366 return retval;
53367 err_dec_count:
53368 - port->count--;
53369 + atomic_dec(&port->count);
53370 mutex_unlock(&port->mutex);
53371 goto end;
53372 }
53373 diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
53374 index b799170..87dafd5 100644
53375 --- a/drivers/tty/synclink.c
53376 +++ b/drivers/tty/synclink.c
53377 @@ -3090,7 +3090,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
53378
53379 if (debug_level >= DEBUG_LEVEL_INFO)
53380 printk("%s(%d):mgsl_close(%s) entry, count=%d\n",
53381 - __FILE__,__LINE__, info->device_name, info->port.count);
53382 + __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
53383
53384 if (tty_port_close_start(&info->port, tty, filp) == 0)
53385 goto cleanup;
53386 @@ -3108,7 +3108,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
53387 cleanup:
53388 if (debug_level >= DEBUG_LEVEL_INFO)
53389 printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__,
53390 - tty->driver->name, info->port.count);
53391 + tty->driver->name, atomic_read(&info->port.count));
53392
53393 } /* end of mgsl_close() */
53394
53395 @@ -3207,8 +3207,8 @@ static void mgsl_hangup(struct tty_struct *tty)
53396
53397 mgsl_flush_buffer(tty);
53398 shutdown(info);
53399 -
53400 - info->port.count = 0;
53401 +
53402 + atomic_set(&info->port.count, 0);
53403 info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
53404 info->port.tty = NULL;
53405
53406 @@ -3296,10 +3296,10 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
53407
53408 if (debug_level >= DEBUG_LEVEL_INFO)
53409 printk("%s(%d):block_til_ready before block on %s count=%d\n",
53410 - __FILE__,__LINE__, tty->driver->name, port->count );
53411 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53412
53413 spin_lock_irqsave(&info->irq_spinlock, flags);
53414 - port->count--;
53415 + atomic_dec(&port->count);
53416 spin_unlock_irqrestore(&info->irq_spinlock, flags);
53417 port->blocked_open++;
53418
53419 @@ -3327,7 +3327,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
53420
53421 if (debug_level >= DEBUG_LEVEL_INFO)
53422 printk("%s(%d):block_til_ready blocking on %s count=%d\n",
53423 - __FILE__,__LINE__, tty->driver->name, port->count );
53424 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53425
53426 tty_unlock(tty);
53427 schedule();
53428 @@ -3339,12 +3339,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
53429
53430 /* FIXME: Racy on hangup during close wait */
53431 if (!tty_hung_up_p(filp))
53432 - port->count++;
53433 + atomic_inc(&port->count);
53434 port->blocked_open--;
53435
53436 if (debug_level >= DEBUG_LEVEL_INFO)
53437 printk("%s(%d):block_til_ready after blocking on %s count=%d\n",
53438 - __FILE__,__LINE__, tty->driver->name, port->count );
53439 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53440
53441 if (!retval)
53442 port->flags |= ASYNC_NORMAL_ACTIVE;
53443 @@ -3396,7 +3396,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
53444
53445 if (debug_level >= DEBUG_LEVEL_INFO)
53446 printk("%s(%d):mgsl_open(%s), old ref count = %d\n",
53447 - __FILE__,__LINE__,tty->driver->name, info->port.count);
53448 + __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
53449
53450 /* If port is closing, signal caller to try again */
53451 if (info->port.flags & ASYNC_CLOSING){
53452 @@ -3415,10 +3415,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
53453 spin_unlock_irqrestore(&info->netlock, flags);
53454 goto cleanup;
53455 }
53456 - info->port.count++;
53457 + atomic_inc(&info->port.count);
53458 spin_unlock_irqrestore(&info->netlock, flags);
53459
53460 - if (info->port.count == 1) {
53461 + if (atomic_read(&info->port.count) == 1) {
53462 /* 1st open on this device, init hardware */
53463 retval = startup(info);
53464 if (retval < 0)
53465 @@ -3442,8 +3442,8 @@ cleanup:
53466 if (retval) {
53467 if (tty->count == 1)
53468 info->port.tty = NULL; /* tty layer will release tty struct */
53469 - if(info->port.count)
53470 - info->port.count--;
53471 + if (atomic_read(&info->port.count))
53472 + atomic_dec(&info->port.count);
53473 }
53474
53475 return retval;
53476 @@ -7661,7 +7661,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
53477 unsigned short new_crctype;
53478
53479 /* return error if TTY interface open */
53480 - if (info->port.count)
53481 + if (atomic_read(&info->port.count))
53482 return -EBUSY;
53483
53484 switch (encoding)
53485 @@ -7756,7 +7756,7 @@ static int hdlcdev_open(struct net_device *dev)
53486
53487 /* arbitrate between network and tty opens */
53488 spin_lock_irqsave(&info->netlock, flags);
53489 - if (info->port.count != 0 || info->netcount != 0) {
53490 + if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
53491 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
53492 spin_unlock_irqrestore(&info->netlock, flags);
53493 return -EBUSY;
53494 @@ -7842,7 +7842,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
53495 printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
53496
53497 /* return error if TTY interface open */
53498 - if (info->port.count)
53499 + if (atomic_read(&info->port.count))
53500 return -EBUSY;
53501
53502 if (cmd != SIOCWANDEV)
53503 diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
53504 index 0e8c39b..e0cb171 100644
53505 --- a/drivers/tty/synclink_gt.c
53506 +++ b/drivers/tty/synclink_gt.c
53507 @@ -670,7 +670,7 @@ static int open(struct tty_struct *tty, struct file *filp)
53508 tty->driver_data = info;
53509 info->port.tty = tty;
53510
53511 - DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count));
53512 + DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count)));
53513
53514 /* If port is closing, signal caller to try again */
53515 if (info->port.flags & ASYNC_CLOSING){
53516 @@ -691,10 +691,10 @@ static int open(struct tty_struct *tty, struct file *filp)
53517 mutex_unlock(&info->port.mutex);
53518 goto cleanup;
53519 }
53520 - info->port.count++;
53521 + atomic_inc(&info->port.count);
53522 spin_unlock_irqrestore(&info->netlock, flags);
53523
53524 - if (info->port.count == 1) {
53525 + if (atomic_read(&info->port.count) == 1) {
53526 /* 1st open on this device, init hardware */
53527 retval = startup(info);
53528 if (retval < 0) {
53529 @@ -715,8 +715,8 @@ cleanup:
53530 if (retval) {
53531 if (tty->count == 1)
53532 info->port.tty = NULL; /* tty layer will release tty struct */
53533 - if(info->port.count)
53534 - info->port.count--;
53535 + if(atomic_read(&info->port.count))
53536 + atomic_dec(&info->port.count);
53537 }
53538
53539 DBGINFO(("%s open rc=%d\n", info->device_name, retval));
53540 @@ -729,7 +729,7 @@ static void close(struct tty_struct *tty, struct file *filp)
53541
53542 if (sanity_check(info, tty->name, "close"))
53543 return;
53544 - DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count));
53545 + DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count)));
53546
53547 if (tty_port_close_start(&info->port, tty, filp) == 0)
53548 goto cleanup;
53549 @@ -746,7 +746,7 @@ static void close(struct tty_struct *tty, struct file *filp)
53550 tty_port_close_end(&info->port, tty);
53551 info->port.tty = NULL;
53552 cleanup:
53553 - DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count));
53554 + DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count)));
53555 }
53556
53557 static void hangup(struct tty_struct *tty)
53558 @@ -764,7 +764,7 @@ static void hangup(struct tty_struct *tty)
53559 shutdown(info);
53560
53561 spin_lock_irqsave(&info->port.lock, flags);
53562 - info->port.count = 0;
53563 + atomic_set(&info->port.count, 0);
53564 info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
53565 info->port.tty = NULL;
53566 spin_unlock_irqrestore(&info->port.lock, flags);
53567 @@ -1449,7 +1449,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
53568 unsigned short new_crctype;
53569
53570 /* return error if TTY interface open */
53571 - if (info->port.count)
53572 + if (atomic_read(&info->port.count))
53573 return -EBUSY;
53574
53575 DBGINFO(("%s hdlcdev_attach\n", info->device_name));
53576 @@ -1544,7 +1544,7 @@ static int hdlcdev_open(struct net_device *dev)
53577
53578 /* arbitrate between network and tty opens */
53579 spin_lock_irqsave(&info->netlock, flags);
53580 - if (info->port.count != 0 || info->netcount != 0) {
53581 + if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
53582 DBGINFO(("%s hdlc_open busy\n", dev->name));
53583 spin_unlock_irqrestore(&info->netlock, flags);
53584 return -EBUSY;
53585 @@ -1629,7 +1629,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
53586 DBGINFO(("%s hdlcdev_ioctl\n", dev->name));
53587
53588 /* return error if TTY interface open */
53589 - if (info->port.count)
53590 + if (atomic_read(&info->port.count))
53591 return -EBUSY;
53592
53593 if (cmd != SIOCWANDEV)
53594 @@ -2413,7 +2413,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id)
53595 if (port == NULL)
53596 continue;
53597 spin_lock(&port->lock);
53598 - if ((port->port.count || port->netcount) &&
53599 + if ((atomic_read(&port->port.count) || port->netcount) &&
53600 port->pending_bh && !port->bh_running &&
53601 !port->bh_requested) {
53602 DBGISR(("%s bh queued\n", port->device_name));
53603 @@ -3299,7 +3299,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
53604 add_wait_queue(&port->open_wait, &wait);
53605
53606 spin_lock_irqsave(&info->lock, flags);
53607 - port->count--;
53608 + atomic_dec(&port->count);
53609 spin_unlock_irqrestore(&info->lock, flags);
53610 port->blocked_open++;
53611
53612 @@ -3335,7 +3335,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
53613 remove_wait_queue(&port->open_wait, &wait);
53614
53615 if (!tty_hung_up_p(filp))
53616 - port->count++;
53617 + atomic_inc(&port->count);
53618 port->blocked_open--;
53619
53620 if (!retval)
53621 diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
53622 index c3f9091..abe4601 100644
53623 --- a/drivers/tty/synclinkmp.c
53624 +++ b/drivers/tty/synclinkmp.c
53625 @@ -750,7 +750,7 @@ static int open(struct tty_struct *tty, struct file *filp)
53626
53627 if (debug_level >= DEBUG_LEVEL_INFO)
53628 printk("%s(%d):%s open(), old ref count = %d\n",
53629 - __FILE__,__LINE__,tty->driver->name, info->port.count);
53630 + __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count));
53631
53632 /* If port is closing, signal caller to try again */
53633 if (info->port.flags & ASYNC_CLOSING){
53634 @@ -769,10 +769,10 @@ static int open(struct tty_struct *tty, struct file *filp)
53635 spin_unlock_irqrestore(&info->netlock, flags);
53636 goto cleanup;
53637 }
53638 - info->port.count++;
53639 + atomic_inc(&info->port.count);
53640 spin_unlock_irqrestore(&info->netlock, flags);
53641
53642 - if (info->port.count == 1) {
53643 + if (atomic_read(&info->port.count) == 1) {
53644 /* 1st open on this device, init hardware */
53645 retval = startup(info);
53646 if (retval < 0)
53647 @@ -796,8 +796,8 @@ cleanup:
53648 if (retval) {
53649 if (tty->count == 1)
53650 info->port.tty = NULL; /* tty layer will release tty struct */
53651 - if(info->port.count)
53652 - info->port.count--;
53653 + if(atomic_read(&info->port.count))
53654 + atomic_dec(&info->port.count);
53655 }
53656
53657 return retval;
53658 @@ -815,7 +815,7 @@ static void close(struct tty_struct *tty, struct file *filp)
53659
53660 if (debug_level >= DEBUG_LEVEL_INFO)
53661 printk("%s(%d):%s close() entry, count=%d\n",
53662 - __FILE__,__LINE__, info->device_name, info->port.count);
53663 + __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count));
53664
53665 if (tty_port_close_start(&info->port, tty, filp) == 0)
53666 goto cleanup;
53667 @@ -834,7 +834,7 @@ static void close(struct tty_struct *tty, struct file *filp)
53668 cleanup:
53669 if (debug_level >= DEBUG_LEVEL_INFO)
53670 printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
53671 - tty->driver->name, info->port.count);
53672 + tty->driver->name, atomic_read(&info->port.count));
53673 }
53674
53675 /* Called by tty_hangup() when a hangup is signaled.
53676 @@ -857,7 +857,7 @@ static void hangup(struct tty_struct *tty)
53677 shutdown(info);
53678
53679 spin_lock_irqsave(&info->port.lock, flags);
53680 - info->port.count = 0;
53681 + atomic_set(&info->port.count, 0);
53682 info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
53683 info->port.tty = NULL;
53684 spin_unlock_irqrestore(&info->port.lock, flags);
53685 @@ -1565,7 +1565,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
53686 unsigned short new_crctype;
53687
53688 /* return error if TTY interface open */
53689 - if (info->port.count)
53690 + if (atomic_read(&info->port.count))
53691 return -EBUSY;
53692
53693 switch (encoding)
53694 @@ -1660,7 +1660,7 @@ static int hdlcdev_open(struct net_device *dev)
53695
53696 /* arbitrate between network and tty opens */
53697 spin_lock_irqsave(&info->netlock, flags);
53698 - if (info->port.count != 0 || info->netcount != 0) {
53699 + if (atomic_read(&info->port.count) != 0 || info->netcount != 0) {
53700 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
53701 spin_unlock_irqrestore(&info->netlock, flags);
53702 return -EBUSY;
53703 @@ -1746,7 +1746,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
53704 printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
53705
53706 /* return error if TTY interface open */
53707 - if (info->port.count)
53708 + if (atomic_read(&info->port.count))
53709 return -EBUSY;
53710
53711 if (cmd != SIOCWANDEV)
53712 @@ -2621,7 +2621,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id)
53713 * do not request bottom half processing if the
53714 * device is not open in a normal mode.
53715 */
53716 - if ( port && (port->port.count || port->netcount) &&
53717 + if ( port && (atomic_read(&port->port.count) || port->netcount) &&
53718 port->pending_bh && !port->bh_running &&
53719 !port->bh_requested ) {
53720 if ( debug_level >= DEBUG_LEVEL_ISR )
53721 @@ -3318,10 +3318,10 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
53722
53723 if (debug_level >= DEBUG_LEVEL_INFO)
53724 printk("%s(%d):%s block_til_ready() before block, count=%d\n",
53725 - __FILE__,__LINE__, tty->driver->name, port->count );
53726 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53727
53728 spin_lock_irqsave(&info->lock, flags);
53729 - port->count--;
53730 + atomic_dec(&port->count);
53731 spin_unlock_irqrestore(&info->lock, flags);
53732 port->blocked_open++;
53733
53734 @@ -3349,7 +3349,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
53735
53736 if (debug_level >= DEBUG_LEVEL_INFO)
53737 printk("%s(%d):%s block_til_ready() count=%d\n",
53738 - __FILE__,__LINE__, tty->driver->name, port->count );
53739 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53740
53741 tty_unlock(tty);
53742 schedule();
53743 @@ -3359,12 +3359,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
53744 set_current_state(TASK_RUNNING);
53745 remove_wait_queue(&port->open_wait, &wait);
53746 if (!tty_hung_up_p(filp))
53747 - port->count++;
53748 + atomic_inc(&port->count);
53749 port->blocked_open--;
53750
53751 if (debug_level >= DEBUG_LEVEL_INFO)
53752 printk("%s(%d):%s block_til_ready() after, count=%d\n",
53753 - __FILE__,__LINE__, tty->driver->name, port->count );
53754 + __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count));
53755
53756 if (!retval)
53757 port->flags |= ASYNC_NORMAL_ACTIVE;
53758 diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
53759 index 42bad18..447d7a2 100644
53760 --- a/drivers/tty/sysrq.c
53761 +++ b/drivers/tty/sysrq.c
53762 @@ -1084,7 +1084,7 @@ EXPORT_SYMBOL(unregister_sysrq_key);
53763 static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
53764 size_t count, loff_t *ppos)
53765 {
53766 - if (count) {
53767 + if (count && capable(CAP_SYS_ADMIN)) {
53768 char c;
53769
53770 if (get_user(c, buf))
53771 diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
53772 index 0508a1d..b610592 100644
53773 --- a/drivers/tty/tty_io.c
53774 +++ b/drivers/tty/tty_io.c
53775 @@ -3498,7 +3498,7 @@ EXPORT_SYMBOL_GPL(get_current_tty);
53776
53777 void tty_default_fops(struct file_operations *fops)
53778 {
53779 - *fops = tty_fops;
53780 + memcpy((void *)fops, &tty_fops, sizeof(tty_fops));
53781 }
53782
53783 /*
53784 diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
53785 index 2d822aa..a566234 100644
53786 --- a/drivers/tty/tty_ldisc.c
53787 +++ b/drivers/tty/tty_ldisc.c
53788 @@ -71,7 +71,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)
53789 raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
53790 tty_ldiscs[disc] = new_ldisc;
53791 new_ldisc->num = disc;
53792 - new_ldisc->refcount = 0;
53793 + atomic_set(&new_ldisc->refcount, 0);
53794 raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags);
53795
53796 return ret;
53797 @@ -99,7 +99,7 @@ int tty_unregister_ldisc(int disc)
53798 return -EINVAL;
53799
53800 raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
53801 - if (tty_ldiscs[disc]->refcount)
53802 + if (atomic_read(&tty_ldiscs[disc]->refcount))
53803 ret = -EBUSY;
53804 else
53805 tty_ldiscs[disc] = NULL;
53806 @@ -120,7 +120,7 @@ static struct tty_ldisc_ops *get_ldops(int disc)
53807 if (ldops) {
53808 ret = ERR_PTR(-EAGAIN);
53809 if (try_module_get(ldops->owner)) {
53810 - ldops->refcount++;
53811 + atomic_inc(&ldops->refcount);
53812 ret = ldops;
53813 }
53814 }
53815 @@ -133,7 +133,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
53816 unsigned long flags;
53817
53818 raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
53819 - ldops->refcount--;
53820 + atomic_dec(&ldops->refcount);
53821 module_put(ldops->owner);
53822 raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags);
53823 }
53824 diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
53825 index 1b93357..ea9f82c 100644
53826 --- a/drivers/tty/tty_port.c
53827 +++ b/drivers/tty/tty_port.c
53828 @@ -237,7 +237,7 @@ void tty_port_hangup(struct tty_port *port)
53829 unsigned long flags;
53830
53831 spin_lock_irqsave(&port->lock, flags);
53832 - port->count = 0;
53833 + atomic_set(&port->count, 0);
53834 port->flags &= ~ASYNC_NORMAL_ACTIVE;
53835 tty = port->tty;
53836 if (tty)
53837 @@ -399,7 +399,7 @@ int tty_port_block_til_ready(struct tty_port *port,
53838
53839 /* The port lock protects the port counts */
53840 spin_lock_irqsave(&port->lock, flags);
53841 - port->count--;
53842 + atomic_dec(&port->count);
53843 port->blocked_open++;
53844 spin_unlock_irqrestore(&port->lock, flags);
53845
53846 @@ -441,7 +441,7 @@ int tty_port_block_til_ready(struct tty_port *port,
53847 we must not mess that up further */
53848 spin_lock_irqsave(&port->lock, flags);
53849 if (!tty_hung_up_p(filp))
53850 - port->count++;
53851 + atomic_inc(&port->count);
53852 port->blocked_open--;
53853 if (retval == 0)
53854 port->flags |= ASYNC_NORMAL_ACTIVE;
53855 @@ -479,19 +479,19 @@ int tty_port_close_start(struct tty_port *port,
53856 return 0;
53857 }
53858
53859 - if (tty->count == 1 && port->count != 1) {
53860 + if (tty->count == 1 && atomic_read(&port->count) != 1) {
53861 printk(KERN_WARNING
53862 "tty_port_close_start: tty->count = 1 port count = %d.\n",
53863 - port->count);
53864 - port->count = 1;
53865 + atomic_read(&port->count));
53866 + atomic_set(&port->count, 1);
53867 }
53868 - if (--port->count < 0) {
53869 + if (atomic_dec_return(&port->count) < 0) {
53870 printk(KERN_WARNING "tty_port_close_start: count = %d\n",
53871 - port->count);
53872 - port->count = 0;
53873 + atomic_read(&port->count));
53874 + atomic_set(&port->count, 0);
53875 }
53876
53877 - if (port->count) {
53878 + if (atomic_read(&port->count)) {
53879 spin_unlock_irqrestore(&port->lock, flags);
53880 return 0;
53881 }
53882 @@ -592,7 +592,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty,
53883 struct file *filp)
53884 {
53885 spin_lock_irq(&port->lock);
53886 - ++port->count;
53887 + atomic_inc(&port->count);
53888 spin_unlock_irq(&port->lock);
53889 tty_port_tty_set(port, tty);
53890
53891 diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
53892 index c039cfe..0b463b0 100644
53893 --- a/drivers/tty/vt/keyboard.c
53894 +++ b/drivers/tty/vt/keyboard.c
53895 @@ -641,6 +641,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag)
53896 kbd->kbdmode == VC_OFF) &&
53897 value != KVAL(K_SAK))
53898 return; /* SAK is allowed even in raw mode */
53899 +
53900 +#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
53901 + {
53902 + void *func = fn_handler[value];
53903 + if (func == fn_show_state || func == fn_show_ptregs ||
53904 + func == fn_show_mem)
53905 + return;
53906 + }
53907 +#endif
53908 +
53909 fn_handler[value](vc);
53910 }
53911
53912 @@ -1776,9 +1786,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
53913 if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry)))
53914 return -EFAULT;
53915
53916 - if (!capable(CAP_SYS_TTY_CONFIG))
53917 - perm = 0;
53918 -
53919 switch (cmd) {
53920 case KDGKBENT:
53921 /* Ensure another thread doesn't free it under us */
53922 @@ -1793,6 +1800,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
53923 spin_unlock_irqrestore(&kbd_event_lock, flags);
53924 return put_user(val, &user_kbe->kb_value);
53925 case KDSKBENT:
53926 + if (!capable(CAP_SYS_TTY_CONFIG))
53927 + perm = 0;
53928 +
53929 if (!perm)
53930 return -EPERM;
53931 if (!i && v == K_NOSUCHMAP) {
53932 @@ -1883,9 +1893,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
53933 int i, j, k;
53934 int ret;
53935
53936 - if (!capable(CAP_SYS_TTY_CONFIG))
53937 - perm = 0;
53938 -
53939 kbs = kmalloc(sizeof(*kbs), GFP_KERNEL);
53940 if (!kbs) {
53941 ret = -ENOMEM;
53942 @@ -1919,6 +1926,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
53943 kfree(kbs);
53944 return ((p && *p) ? -EOVERFLOW : 0);
53945 case KDSKBSENT:
53946 + if (!capable(CAP_SYS_TTY_CONFIG))
53947 + perm = 0;
53948 +
53949 if (!perm) {
53950 ret = -EPERM;
53951 goto reterr;
53952 diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
53953 index 60fa627..7214965 100644
53954 --- a/drivers/uio/uio.c
53955 +++ b/drivers/uio/uio.c
53956 @@ -25,6 +25,7 @@
53957 #include <linux/kobject.h>
53958 #include <linux/cdev.h>
53959 #include <linux/uio_driver.h>
53960 +#include <asm/local.h>
53961
53962 #define UIO_MAX_DEVICES (1U << MINORBITS)
53963
53964 @@ -231,7 +232,7 @@ static ssize_t event_show(struct device *dev,
53965 struct device_attribute *attr, char *buf)
53966 {
53967 struct uio_device *idev = dev_get_drvdata(dev);
53968 - return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event));
53969 + return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event));
53970 }
53971 static DEVICE_ATTR_RO(event);
53972
53973 @@ -393,7 +394,7 @@ void uio_event_notify(struct uio_info *info)
53974 {
53975 struct uio_device *idev = info->uio_dev;
53976
53977 - atomic_inc(&idev->event);
53978 + atomic_inc_unchecked(&idev->event);
53979 wake_up_interruptible(&idev->wait);
53980 kill_fasync(&idev->async_queue, SIGIO, POLL_IN);
53981 }
53982 @@ -446,7 +447,7 @@ static int uio_open(struct inode *inode, struct file *filep)
53983 }
53984
53985 listener->dev = idev;
53986 - listener->event_count = atomic_read(&idev->event);
53987 + listener->event_count = atomic_read_unchecked(&idev->event);
53988 filep->private_data = listener;
53989
53990 if (idev->info->open) {
53991 @@ -497,7 +498,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait)
53992 return -EIO;
53993
53994 poll_wait(filep, &idev->wait, wait);
53995 - if (listener->event_count != atomic_read(&idev->event))
53996 + if (listener->event_count != atomic_read_unchecked(&idev->event))
53997 return POLLIN | POLLRDNORM;
53998 return 0;
53999 }
54000 @@ -522,7 +523,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf,
54001 do {
54002 set_current_state(TASK_INTERRUPTIBLE);
54003
54004 - event_count = atomic_read(&idev->event);
54005 + event_count = atomic_read_unchecked(&idev->event);
54006 if (event_count != listener->event_count) {
54007 if (copy_to_user(buf, &event_count, count))
54008 retval = -EFAULT;
54009 @@ -579,9 +580,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
54010 static int uio_find_mem_index(struct vm_area_struct *vma)
54011 {
54012 struct uio_device *idev = vma->vm_private_data;
54013 + unsigned long size;
54014
54015 if (vma->vm_pgoff < MAX_UIO_MAPS) {
54016 - if (idev->info->mem[vma->vm_pgoff].size == 0)
54017 + size = idev->info->mem[vma->vm_pgoff].size;
54018 + if (size == 0)
54019 + return -1;
54020 + if (vma->vm_end - vma->vm_start > size)
54021 return -1;
54022 return (int)vma->vm_pgoff;
54023 }
54024 @@ -813,7 +818,7 @@ int __uio_register_device(struct module *owner,
54025 idev->owner = owner;
54026 idev->info = info;
54027 init_waitqueue_head(&idev->wait);
54028 - atomic_set(&idev->event, 0);
54029 + atomic_set_unchecked(&idev->event, 0);
54030
54031 ret = uio_get_minor(idev);
54032 if (ret)
54033 diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
54034 index 813d4d3..a71934f 100644
54035 --- a/drivers/usb/atm/cxacru.c
54036 +++ b/drivers/usb/atm/cxacru.c
54037 @@ -472,7 +472,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
54038 ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp);
54039 if (ret < 2)
54040 return -EINVAL;
54041 - if (index < 0 || index > 0x7f)
54042 + if (index > 0x7f)
54043 return -EINVAL;
54044 pos += tmp;
54045
54046 diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
54047 index dada014..1d0d517 100644
54048 --- a/drivers/usb/atm/usbatm.c
54049 +++ b/drivers/usb/atm/usbatm.c
54050 @@ -331,7 +331,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
54051 if (printk_ratelimit())
54052 atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n",
54053 __func__, vpi, vci);
54054 - atomic_inc(&vcc->stats->rx_err);
54055 + atomic_inc_unchecked(&vcc->stats->rx_err);
54056 return;
54057 }
54058
54059 @@ -358,7 +358,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
54060 if (length > ATM_MAX_AAL5_PDU) {
54061 atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n",
54062 __func__, length, vcc);
54063 - atomic_inc(&vcc->stats->rx_err);
54064 + atomic_inc_unchecked(&vcc->stats->rx_err);
54065 goto out;
54066 }
54067
54068 @@ -367,14 +367,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
54069 if (sarb->len < pdu_length) {
54070 atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n",
54071 __func__, pdu_length, sarb->len, vcc);
54072 - atomic_inc(&vcc->stats->rx_err);
54073 + atomic_inc_unchecked(&vcc->stats->rx_err);
54074 goto out;
54075 }
54076
54077 if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) {
54078 atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n",
54079 __func__, vcc);
54080 - atomic_inc(&vcc->stats->rx_err);
54081 + atomic_inc_unchecked(&vcc->stats->rx_err);
54082 goto out;
54083 }
54084
54085 @@ -386,7 +386,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
54086 if (printk_ratelimit())
54087 atm_err(instance, "%s: no memory for skb (length: %u)!\n",
54088 __func__, length);
54089 - atomic_inc(&vcc->stats->rx_drop);
54090 + atomic_inc_unchecked(&vcc->stats->rx_drop);
54091 goto out;
54092 }
54093
54094 @@ -414,7 +414,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
54095
54096 vcc->push(vcc, skb);
54097
54098 - atomic_inc(&vcc->stats->rx);
54099 + atomic_inc_unchecked(&vcc->stats->rx);
54100 out:
54101 skb_trim(sarb, 0);
54102 }
54103 @@ -612,7 +612,7 @@ static void usbatm_tx_process(unsigned long data)
54104 struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc;
54105
54106 usbatm_pop(vcc, skb);
54107 - atomic_inc(&vcc->stats->tx);
54108 + atomic_inc_unchecked(&vcc->stats->tx);
54109
54110 skb = skb_dequeue(&instance->sndqueue);
54111 }
54112 @@ -756,11 +756,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t *pos, char *page
54113 if (!left--)
54114 return sprintf(page,
54115 "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n",
54116 - atomic_read(&atm_dev->stats.aal5.tx),
54117 - atomic_read(&atm_dev->stats.aal5.tx_err),
54118 - atomic_read(&atm_dev->stats.aal5.rx),
54119 - atomic_read(&atm_dev->stats.aal5.rx_err),
54120 - atomic_read(&atm_dev->stats.aal5.rx_drop));
54121 + atomic_read_unchecked(&atm_dev->stats.aal5.tx),
54122 + atomic_read_unchecked(&atm_dev->stats.aal5.tx_err),
54123 + atomic_read_unchecked(&atm_dev->stats.aal5.rx),
54124 + atomic_read_unchecked(&atm_dev->stats.aal5.rx_err),
54125 + atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop));
54126
54127 if (!left--) {
54128 if (instance->disconnected)
54129 diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
54130 index 2a3bbdf..91d72cf 100644
54131 --- a/drivers/usb/core/devices.c
54132 +++ b/drivers/usb/core/devices.c
54133 @@ -126,7 +126,7 @@ static const char format_endpt[] =
54134 * time it gets called.
54135 */
54136 static struct device_connect_event {
54137 - atomic_t count;
54138 + atomic_unchecked_t count;
54139 wait_queue_head_t wait;
54140 } device_event = {
54141 .count = ATOMIC_INIT(1),
54142 @@ -164,7 +164,7 @@ static const struct class_info clas_info[] = {
54143
54144 void usbfs_conn_disc_event(void)
54145 {
54146 - atomic_add(2, &device_event.count);
54147 + atomic_add_unchecked(2, &device_event.count);
54148 wake_up(&device_event.wait);
54149 }
54150
54151 @@ -652,7 +652,7 @@ static unsigned int usb_device_poll(struct file *file,
54152
54153 poll_wait(file, &device_event.wait, wait);
54154
54155 - event_count = atomic_read(&device_event.count);
54156 + event_count = atomic_read_unchecked(&device_event.count);
54157 if (file->f_version != event_count) {
54158 file->f_version = event_count;
54159 return POLLIN | POLLRDNORM;
54160 diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
54161 index 0b59731..46ee7d1 100644
54162 --- a/drivers/usb/core/devio.c
54163 +++ b/drivers/usb/core/devio.c
54164 @@ -187,7 +187,7 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes,
54165 struct usb_dev_state *ps = file->private_data;
54166 struct usb_device *dev = ps->dev;
54167 ssize_t ret = 0;
54168 - unsigned len;
54169 + size_t len;
54170 loff_t pos;
54171 int i;
54172
54173 @@ -229,22 +229,22 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes,
54174 for (i = 0; nbytes && i < dev->descriptor.bNumConfigurations; i++) {
54175 struct usb_config_descriptor *config =
54176 (struct usb_config_descriptor *)dev->rawdescriptors[i];
54177 - unsigned int length = le16_to_cpu(config->wTotalLength);
54178 + size_t length = le16_to_cpu(config->wTotalLength);
54179
54180 if (*ppos < pos + length) {
54181
54182 /* The descriptor may claim to be longer than it
54183 * really is. Here is the actual allocated length. */
54184 - unsigned alloclen =
54185 + size_t alloclen =
54186 le16_to_cpu(dev->config[i].desc.wTotalLength);
54187
54188 - len = length - (*ppos - pos);
54189 + len = length + pos - *ppos;
54190 if (len > nbytes)
54191 len = nbytes;
54192
54193 /* Simply don't write (skip over) unallocated parts */
54194 if (alloclen > (*ppos - pos)) {
54195 - alloclen -= (*ppos - pos);
54196 + alloclen = alloclen + pos - *ppos;
54197 if (copy_to_user(buf,
54198 dev->rawdescriptors[i] + (*ppos - pos),
54199 min(len, alloclen))) {
54200 diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
54201 index a6efb41..6f72549b 100644
54202 --- a/drivers/usb/core/hcd.c
54203 +++ b/drivers/usb/core/hcd.c
54204 @@ -1551,7 +1551,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
54205 */
54206 usb_get_urb(urb);
54207 atomic_inc(&urb->use_count);
54208 - atomic_inc(&urb->dev->urbnum);
54209 + atomic_inc_unchecked(&urb->dev->urbnum);
54210 usbmon_urb_submit(&hcd->self, urb);
54211
54212 /* NOTE requirements on root-hub callers (usbfs and the hub
54213 @@ -1578,7 +1578,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
54214 urb->hcpriv = NULL;
54215 INIT_LIST_HEAD(&urb->urb_list);
54216 atomic_dec(&urb->use_count);
54217 - atomic_dec(&urb->dev->urbnum);
54218 + atomic_dec_unchecked(&urb->dev->urbnum);
54219 if (atomic_read(&urb->reject))
54220 wake_up(&usb_kill_urb_queue);
54221 usb_put_urb(urb);
54222 diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
54223 index b649fef..c7107a0 100644
54224 --- a/drivers/usb/core/hub.c
54225 +++ b/drivers/usb/core/hub.c
54226 @@ -26,6 +26,7 @@
54227 #include <linux/mutex.h>
54228 #include <linux/random.h>
54229 #include <linux/pm_qos.h>
54230 +#include <linux/grsecurity.h>
54231
54232 #include <asm/uaccess.h>
54233 #include <asm/byteorder.h>
54234 @@ -4666,6 +4667,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
54235 goto done;
54236 return;
54237 }
54238 +
54239 + if (gr_handle_new_usb())
54240 + goto done;
54241 +
54242 if (hub_is_superspeed(hub->hdev))
54243 unit_load = 150;
54244 else
54245 diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
54246 index f7b7713..23d07ec 100644
54247 --- a/drivers/usb/core/message.c
54248 +++ b/drivers/usb/core/message.c
54249 @@ -128,7 +128,7 @@ static int usb_internal_control_msg(struct usb_device *usb_dev,
54250 * Return: If successful, the number of bytes transferred. Otherwise, a negative
54251 * error number.
54252 */
54253 -int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
54254 +int __intentional_overflow(-1) usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
54255 __u8 requesttype, __u16 value, __u16 index, void *data,
54256 __u16 size, int timeout)
54257 {
54258 @@ -180,7 +180,7 @@ EXPORT_SYMBOL_GPL(usb_control_msg);
54259 * If successful, 0. Otherwise a negative error number. The number of actual
54260 * bytes transferred will be stored in the @actual_length parameter.
54261 */
54262 -int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe,
54263 +int __intentional_overflow(-1) usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe,
54264 void *data, int len, int *actual_length, int timeout)
54265 {
54266 return usb_bulk_msg(usb_dev, pipe, data, len, actual_length, timeout);
54267 @@ -220,7 +220,7 @@ EXPORT_SYMBOL_GPL(usb_interrupt_msg);
54268 * bytes transferred will be stored in the @actual_length parameter.
54269 *
54270 */
54271 -int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
54272 +int __intentional_overflow(-1) usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
54273 void *data, int len, int *actual_length, int timeout)
54274 {
54275 struct urb *urb;
54276 diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
54277 index 1236c60..d47a51c 100644
54278 --- a/drivers/usb/core/sysfs.c
54279 +++ b/drivers/usb/core/sysfs.c
54280 @@ -244,7 +244,7 @@ static ssize_t urbnum_show(struct device *dev, struct device_attribute *attr,
54281 struct usb_device *udev;
54282
54283 udev = to_usb_device(dev);
54284 - return sprintf(buf, "%d\n", atomic_read(&udev->urbnum));
54285 + return sprintf(buf, "%d\n", atomic_read_unchecked(&udev->urbnum));
54286 }
54287 static DEVICE_ATTR_RO(urbnum);
54288
54289 diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
54290 index 2dd2362..1135437 100644
54291 --- a/drivers/usb/core/usb.c
54292 +++ b/drivers/usb/core/usb.c
54293 @@ -433,7 +433,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
54294 set_dev_node(&dev->dev, dev_to_node(bus->controller));
54295 dev->state = USB_STATE_ATTACHED;
54296 dev->lpm_disable_count = 1;
54297 - atomic_set(&dev->urbnum, 0);
54298 + atomic_set_unchecked(&dev->urbnum, 0);
54299
54300 INIT_LIST_HEAD(&dev->ep0.urb_list);
54301 dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE;
54302 diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
54303 index 8cfc319..4868255 100644
54304 --- a/drivers/usb/early/ehci-dbgp.c
54305 +++ b/drivers/usb/early/ehci-dbgp.c
54306 @@ -98,7 +98,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len)
54307
54308 #ifdef CONFIG_KGDB
54309 static struct kgdb_io kgdbdbgp_io_ops;
54310 -#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops)
54311 +static struct kgdb_io kgdbdbgp_io_ops_console;
54312 +#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console)
54313 #else
54314 #define dbgp_kgdb_mode (0)
54315 #endif
54316 @@ -1043,6 +1044,13 @@ static struct kgdb_io kgdbdbgp_io_ops = {
54317 .write_char = kgdbdbgp_write_char,
54318 };
54319
54320 +static struct kgdb_io kgdbdbgp_io_ops_console = {
54321 + .name = "kgdbdbgp",
54322 + .read_char = kgdbdbgp_read_char,
54323 + .write_char = kgdbdbgp_write_char,
54324 + .is_console = 1
54325 +};
54326 +
54327 static int kgdbdbgp_wait_time;
54328
54329 static int __init kgdbdbgp_parse_config(char *str)
54330 @@ -1058,8 +1066,10 @@ static int __init kgdbdbgp_parse_config(char *str)
54331 ptr++;
54332 kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10);
54333 }
54334 - kgdb_register_io_module(&kgdbdbgp_io_ops);
54335 - kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1;
54336 + if (early_dbgp_console.index != -1)
54337 + kgdb_register_io_module(&kgdbdbgp_io_ops_console);
54338 + else
54339 + kgdb_register_io_module(&kgdbdbgp_io_ops);
54340
54341 return 0;
54342 }
54343 diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
54344 index f7b2032..fbb340c 100644
54345 --- a/drivers/usb/gadget/function/f_uac1.c
54346 +++ b/drivers/usb/gadget/function/f_uac1.c
54347 @@ -14,6 +14,7 @@
54348 #include <linux/module.h>
54349 #include <linux/device.h>
54350 #include <linux/atomic.h>
54351 +#include <linux/module.h>
54352
54353 #include "u_uac1.h"
54354
54355 diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
54356 index 491082a..dfd7d17 100644
54357 --- a/drivers/usb/gadget/function/u_serial.c
54358 +++ b/drivers/usb/gadget/function/u_serial.c
54359 @@ -729,9 +729,9 @@ static int gs_open(struct tty_struct *tty, struct file *file)
54360 spin_lock_irq(&port->port_lock);
54361
54362 /* already open? Great. */
54363 - if (port->port.count) {
54364 + if (atomic_read(&port->port.count)) {
54365 status = 0;
54366 - port->port.count++;
54367 + atomic_inc(&port->port.count);
54368
54369 /* currently opening/closing? wait ... */
54370 } else if (port->openclose) {
54371 @@ -790,7 +790,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
54372 tty->driver_data = port;
54373 port->port.tty = tty;
54374
54375 - port->port.count = 1;
54376 + atomic_set(&port->port.count, 1);
54377 port->openclose = false;
54378
54379 /* if connected, start the I/O stream */
54380 @@ -832,11 +832,11 @@ static void gs_close(struct tty_struct *tty, struct file *file)
54381
54382 spin_lock_irq(&port->port_lock);
54383
54384 - if (port->port.count != 1) {
54385 - if (port->port.count == 0)
54386 + if (atomic_read(&port->port.count) != 1) {
54387 + if (atomic_read(&port->port.count) == 0)
54388 WARN_ON(1);
54389 else
54390 - --port->port.count;
54391 + atomic_dec(&port->port.count);
54392 goto exit;
54393 }
54394
54395 @@ -846,7 +846,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
54396 * and sleep if necessary
54397 */
54398 port->openclose = true;
54399 - port->port.count = 0;
54400 + atomic_set(&port->port.count, 0);
54401
54402 gser = port->port_usb;
54403 if (gser && gser->disconnect)
54404 @@ -1062,7 +1062,7 @@ static int gs_closed(struct gs_port *port)
54405 int cond;
54406
54407 spin_lock_irq(&port->port_lock);
54408 - cond = (port->port.count == 0) && !port->openclose;
54409 + cond = (atomic_read(&port->port.count) == 0) && !port->openclose;
54410 spin_unlock_irq(&port->port_lock);
54411 return cond;
54412 }
54413 @@ -1205,7 +1205,7 @@ int gserial_connect(struct gserial *gser, u8 port_num)
54414 /* if it's already open, start I/O ... and notify the serial
54415 * protocol about open/close status (connect/disconnect).
54416 */
54417 - if (port->port.count) {
54418 + if (atomic_read(&port->port.count)) {
54419 pr_debug("gserial_connect: start ttyGS%d\n", port->port_num);
54420 gs_start_io(port);
54421 if (gser->connect)
54422 @@ -1252,7 +1252,7 @@ void gserial_disconnect(struct gserial *gser)
54423
54424 port->port_usb = NULL;
54425 gser->ioport = NULL;
54426 - if (port->port.count > 0 || port->openclose) {
54427 + if (atomic_read(&port->port.count) > 0 || port->openclose) {
54428 wake_up_interruptible(&port->drain_wait);
54429 if (port->port.tty)
54430 tty_hangup(port->port.tty);
54431 @@ -1268,7 +1268,7 @@ void gserial_disconnect(struct gserial *gser)
54432
54433 /* finally, free any unused/unusable I/O buffers */
54434 spin_lock_irqsave(&port->port_lock, flags);
54435 - if (port->port.count == 0 && !port->openclose)
54436 + if (atomic_read(&port->port.count) == 0 && !port->openclose)
54437 gs_buf_free(&port->port_write_buf);
54438 gs_free_requests(gser->out, &port->read_pool, NULL);
54439 gs_free_requests(gser->out, &port->read_queue, NULL);
54440 diff --git a/drivers/usb/gadget/function/u_uac1.c b/drivers/usb/gadget/function/u_uac1.c
54441 index a44a07f..ecea924 100644
54442 --- a/drivers/usb/gadget/function/u_uac1.c
54443 +++ b/drivers/usb/gadget/function/u_uac1.c
54444 @@ -17,6 +17,7 @@
54445 #include <linux/ctype.h>
54446 #include <linux/random.h>
54447 #include <linux/syscalls.h>
54448 +#include <linux/module.h>
54449
54450 #include "u_uac1.h"
54451
54452 diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
54453 index 5728829..fefc6bf 100644
54454 --- a/drivers/usb/host/ehci-hub.c
54455 +++ b/drivers/usb/host/ehci-hub.c
54456 @@ -771,7 +771,7 @@ static struct urb *request_single_step_set_feature_urb(
54457 urb->transfer_flags = URB_DIR_IN;
54458 usb_get_urb(urb);
54459 atomic_inc(&urb->use_count);
54460 - atomic_inc(&urb->dev->urbnum);
54461 + atomic_inc_unchecked(&urb->dev->urbnum);
54462 urb->setup_dma = dma_map_single(
54463 hcd->self.controller,
54464 urb->setup_packet,
54465 @@ -838,7 +838,7 @@ static int ehset_single_step_set_feature(struct usb_hcd *hcd, int port)
54466 urb->status = -EINPROGRESS;
54467 usb_get_urb(urb);
54468 atomic_inc(&urb->use_count);
54469 - atomic_inc(&urb->dev->urbnum);
54470 + atomic_inc_unchecked(&urb->dev->urbnum);
54471 retval = submit_single_step_set_feature(hcd, urb, 0);
54472 if (!retval && !wait_for_completion_timeout(&done,
54473 msecs_to_jiffies(2000))) {
54474 diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
54475 index 1db0626..4948782 100644
54476 --- a/drivers/usb/host/hwa-hc.c
54477 +++ b/drivers/usb/host/hwa-hc.c
54478 @@ -337,7 +337,10 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index,
54479 struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
54480 struct wahc *wa = &hwahc->wa;
54481 struct device *dev = &wa->usb_iface->dev;
54482 - u8 mas_le[UWB_NUM_MAS/8];
54483 + u8 *mas_le = kmalloc(UWB_NUM_MAS/8, GFP_KERNEL);
54484 +
54485 + if (mas_le == NULL)
54486 + return -ENOMEM;
54487
54488 /* Set the stream index */
54489 result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
54490 @@ -356,10 +359,12 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index,
54491 WUSB_REQ_SET_WUSB_MAS,
54492 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
54493 0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
54494 - mas_le, 32, USB_CTRL_SET_TIMEOUT);
54495 + mas_le, UWB_NUM_MAS/8, USB_CTRL_SET_TIMEOUT);
54496 if (result < 0)
54497 dev_err(dev, "Cannot set WUSB MAS allocation: %d\n", result);
54498 out:
54499 + kfree(mas_le);
54500 +
54501 return result;
54502 }
54503
54504 diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
54505 index b3d245e..99549ed 100644
54506 --- a/drivers/usb/misc/appledisplay.c
54507 +++ b/drivers/usb/misc/appledisplay.c
54508 @@ -84,7 +84,7 @@ struct appledisplay {
54509 struct mutex sysfslock; /* concurrent read and write */
54510 };
54511
54512 -static atomic_t count_displays = ATOMIC_INIT(0);
54513 +static atomic_unchecked_t count_displays = ATOMIC_INIT(0);
54514 static struct workqueue_struct *wq;
54515
54516 static void appledisplay_complete(struct urb *urb)
54517 @@ -288,7 +288,7 @@ static int appledisplay_probe(struct usb_interface *iface,
54518
54519 /* Register backlight device */
54520 snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
54521 - atomic_inc_return(&count_displays) - 1);
54522 + atomic_inc_return_unchecked(&count_displays) - 1);
54523 memset(&props, 0, sizeof(struct backlight_properties));
54524 props.type = BACKLIGHT_RAW;
54525 props.max_brightness = 0xff;
54526 diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
54527 index 29fa1c3..a57b08e 100644
54528 --- a/drivers/usb/serial/console.c
54529 +++ b/drivers/usb/serial/console.c
54530 @@ -125,7 +125,7 @@ static int usb_console_setup(struct console *co, char *options)
54531
54532 info->port = port;
54533
54534 - ++port->port.count;
54535 + atomic_inc(&port->port.count);
54536 if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) {
54537 if (serial->type->set_termios) {
54538 /*
54539 @@ -173,7 +173,7 @@ static int usb_console_setup(struct console *co, char *options)
54540 }
54541 /* Now that any required fake tty operations are completed restore
54542 * the tty port count */
54543 - --port->port.count;
54544 + atomic_dec(&port->port.count);
54545 /* The console is special in terms of closing the device so
54546 * indicate this port is now acting as a system console. */
54547 port->port.console = 1;
54548 @@ -186,7 +186,7 @@ static int usb_console_setup(struct console *co, char *options)
54549 put_tty:
54550 tty_kref_put(tty);
54551 reset_open_count:
54552 - port->port.count = 0;
54553 + atomic_set(&port->port.count, 0);
54554 usb_autopm_put_interface(serial->interface);
54555 error_get_interface:
54556 usb_serial_put(serial);
54557 @@ -197,7 +197,7 @@ static int usb_console_setup(struct console *co, char *options)
54558 static void usb_console_write(struct console *co,
54559 const char *buf, unsigned count)
54560 {
54561 - static struct usbcons_info *info = &usbcons_info;
54562 + struct usbcons_info *info = &usbcons_info;
54563 struct usb_serial_port *port = info->port;
54564 struct usb_serial *serial;
54565 int retval = -ENODEV;
54566 diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
54567 index 307e339..6aa97cb 100644
54568 --- a/drivers/usb/storage/usb.h
54569 +++ b/drivers/usb/storage/usb.h
54570 @@ -63,7 +63,7 @@ struct us_unusual_dev {
54571 __u8 useProtocol;
54572 __u8 useTransport;
54573 int (*initFunction)(struct us_data *);
54574 -};
54575 +} __do_const;
54576
54577
54578 /* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */
54579 diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h
54580 index a863a98..d272795 100644
54581 --- a/drivers/usb/usbip/vhci.h
54582 +++ b/drivers/usb/usbip/vhci.h
54583 @@ -83,7 +83,7 @@ struct vhci_hcd {
54584 unsigned resuming:1;
54585 unsigned long re_timeout;
54586
54587 - atomic_t seqnum;
54588 + atomic_unchecked_t seqnum;
54589
54590 /*
54591 * NOTE:
54592 diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
54593 index c02374b..32d47a9 100644
54594 --- a/drivers/usb/usbip/vhci_hcd.c
54595 +++ b/drivers/usb/usbip/vhci_hcd.c
54596 @@ -439,7 +439,7 @@ static void vhci_tx_urb(struct urb *urb)
54597
54598 spin_lock(&vdev->priv_lock);
54599
54600 - priv->seqnum = atomic_inc_return(&the_controller->seqnum);
54601 + priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
54602 if (priv->seqnum == 0xffff)
54603 dev_info(&urb->dev->dev, "seqnum max\n");
54604
54605 @@ -686,7 +686,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
54606 return -ENOMEM;
54607 }
54608
54609 - unlink->seqnum = atomic_inc_return(&the_controller->seqnum);
54610 + unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum);
54611 if (unlink->seqnum == 0xffff)
54612 pr_info("seqnum max\n");
54613
54614 @@ -891,7 +891,7 @@ static int vhci_start(struct usb_hcd *hcd)
54615 vdev->rhport = rhport;
54616 }
54617
54618 - atomic_set(&vhci->seqnum, 0);
54619 + atomic_set_unchecked(&vhci->seqnum, 0);
54620 spin_lock_init(&vhci->lock);
54621
54622 hcd->power_budget = 0; /* no limit */
54623 diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
54624 index 00e4a54..d676f85 100644
54625 --- a/drivers/usb/usbip/vhci_rx.c
54626 +++ b/drivers/usb/usbip/vhci_rx.c
54627 @@ -80,7 +80,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
54628 if (!urb) {
54629 pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
54630 pr_info("max seqnum %d\n",
54631 - atomic_read(&the_controller->seqnum));
54632 + atomic_read_unchecked(&the_controller->seqnum));
54633 usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
54634 return;
54635 }
54636 diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h
54637 index edc7267..9f65ce2 100644
54638 --- a/drivers/usb/wusbcore/wa-hc.h
54639 +++ b/drivers/usb/wusbcore/wa-hc.h
54640 @@ -240,7 +240,7 @@ struct wahc {
54641 spinlock_t xfer_list_lock;
54642 struct work_struct xfer_enqueue_work;
54643 struct work_struct xfer_error_work;
54644 - atomic_t xfer_id_count;
54645 + atomic_unchecked_t xfer_id_count;
54646
54647 kernel_ulong_t quirks;
54648 };
54649 @@ -305,7 +305,7 @@ static inline void wa_init(struct wahc *wa)
54650 INIT_WORK(&wa->xfer_enqueue_work, wa_urb_enqueue_run);
54651 INIT_WORK(&wa->xfer_error_work, wa_process_errored_transfers_run);
54652 wa->dto_in_use = 0;
54653 - atomic_set(&wa->xfer_id_count, 1);
54654 + atomic_set_unchecked(&wa->xfer_id_count, 1);
54655 /* init the buf in URBs */
54656 for (index = 0; index < WA_MAX_BUF_IN_URBS; ++index)
54657 usb_init_urb(&(wa->buf_in_urbs[index]));
54658 diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
54659 index 69af4fd..da390d7 100644
54660 --- a/drivers/usb/wusbcore/wa-xfer.c
54661 +++ b/drivers/usb/wusbcore/wa-xfer.c
54662 @@ -314,7 +314,7 @@ static void wa_xfer_completion(struct wa_xfer *xfer)
54663 */
54664 static void wa_xfer_id_init(struct wa_xfer *xfer)
54665 {
54666 - xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
54667 + xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count);
54668 }
54669
54670 /* Return the xfer's ID. */
54671 diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
54672 index f018d8d..ccab63f 100644
54673 --- a/drivers/vfio/vfio.c
54674 +++ b/drivers/vfio/vfio.c
54675 @@ -481,7 +481,7 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev)
54676 return 0;
54677
54678 /* TODO Prevent device auto probing */
54679 - WARN("Device %s added to live group %d!\n", dev_name(dev),
54680 + WARN(1, "Device %s added to live group %d!\n", dev_name(dev),
54681 iommu_group_id(group->iommu_group));
54682
54683 return 0;
54684 diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
54685 index 5174eba..451e6bc 100644
54686 --- a/drivers/vhost/vringh.c
54687 +++ b/drivers/vhost/vringh.c
54688 @@ -530,17 +530,17 @@ static inline void __vringh_notify_disable(struct vringh *vrh,
54689 /* Userspace access helpers: in this case, addresses are really userspace. */
54690 static inline int getu16_user(u16 *val, const u16 *p)
54691 {
54692 - return get_user(*val, (__force u16 __user *)p);
54693 + return get_user(*val, (u16 __force_user *)p);
54694 }
54695
54696 static inline int putu16_user(u16 *p, u16 val)
54697 {
54698 - return put_user(val, (__force u16 __user *)p);
54699 + return put_user(val, (u16 __force_user *)p);
54700 }
54701
54702 static inline int copydesc_user(void *dst, const void *src, size_t len)
54703 {
54704 - return copy_from_user(dst, (__force void __user *)src, len) ?
54705 + return copy_from_user(dst, (void __force_user *)src, len) ?
54706 -EFAULT : 0;
54707 }
54708
54709 @@ -548,19 +548,19 @@ static inline int putused_user(struct vring_used_elem *dst,
54710 const struct vring_used_elem *src,
54711 unsigned int num)
54712 {
54713 - return copy_to_user((__force void __user *)dst, src,
54714 + return copy_to_user((void __force_user *)dst, src,
54715 sizeof(*dst) * num) ? -EFAULT : 0;
54716 }
54717
54718 static inline int xfer_from_user(void *src, void *dst, size_t len)
54719 {
54720 - return copy_from_user(dst, (__force void __user *)src, len) ?
54721 + return copy_from_user(dst, (void __force_user *)src, len) ?
54722 -EFAULT : 0;
54723 }
54724
54725 static inline int xfer_to_user(void *dst, void *src, size_t len)
54726 {
54727 - return copy_to_user((__force void __user *)dst, src, len) ?
54728 + return copy_to_user((void __force_user *)dst, src, len) ?
54729 -EFAULT : 0;
54730 }
54731
54732 @@ -596,9 +596,9 @@ int vringh_init_user(struct vringh *vrh, u32 features,
54733 vrh->last_used_idx = 0;
54734 vrh->vring.num = num;
54735 /* vring expects kernel addresses, but only used via accessors. */
54736 - vrh->vring.desc = (__force struct vring_desc *)desc;
54737 - vrh->vring.avail = (__force struct vring_avail *)avail;
54738 - vrh->vring.used = (__force struct vring_used *)used;
54739 + vrh->vring.desc = (__force_kernel struct vring_desc *)desc;
54740 + vrh->vring.avail = (__force_kernel struct vring_avail *)avail;
54741 + vrh->vring.used = (__force_kernel struct vring_used *)used;
54742 return 0;
54743 }
54744 EXPORT_SYMBOL(vringh_init_user);
54745 @@ -800,7 +800,7 @@ static inline int getu16_kern(u16 *val, const u16 *p)
54746
54747 static inline int putu16_kern(u16 *p, u16 val)
54748 {
54749 - ACCESS_ONCE(*p) = val;
54750 + ACCESS_ONCE_RW(*p) = val;
54751 return 0;
54752 }
54753
54754 diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
54755 index 84a110a..96312c3 100644
54756 --- a/drivers/video/backlight/kb3886_bl.c
54757 +++ b/drivers/video/backlight/kb3886_bl.c
54758 @@ -78,7 +78,7 @@ static struct kb3886bl_machinfo *bl_machinfo;
54759 static unsigned long kb3886bl_flags;
54760 #define KB3886BL_SUSPENDED 0x01
54761
54762 -static struct dmi_system_id kb3886bl_device_table[] __initdata = {
54763 +static const struct dmi_system_id kb3886bl_device_table[] __initconst = {
54764 {
54765 .ident = "Sahara Touch-iT",
54766 .matches = {
54767 diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c
54768 index 1b0b233..6f34c2c 100644
54769 --- a/drivers/video/fbdev/arcfb.c
54770 +++ b/drivers/video/fbdev/arcfb.c
54771 @@ -458,7 +458,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf,
54772 return -ENOSPC;
54773
54774 err = 0;
54775 - if ((count + p) > fbmemlength) {
54776 + if (count > (fbmemlength - p)) {
54777 count = fbmemlength - p;
54778 err = -ENOSPC;
54779 }
54780 diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
54781 index aedf2fb..47c9aca 100644
54782 --- a/drivers/video/fbdev/aty/aty128fb.c
54783 +++ b/drivers/video/fbdev/aty/aty128fb.c
54784 @@ -149,7 +149,7 @@ enum {
54785 };
54786
54787 /* Must match above enum */
54788 -static char * const r128_family[] = {
54789 +static const char * const r128_family[] = {
54790 "AGP",
54791 "PCI",
54792 "PRO AGP",
54793 diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
54794 index 37ec09b..98f8862 100644
54795 --- a/drivers/video/fbdev/aty/atyfb_base.c
54796 +++ b/drivers/video/fbdev/aty/atyfb_base.c
54797 @@ -1326,10 +1326,14 @@ static int atyfb_set_par(struct fb_info *info)
54798 par->accel_flags = var->accel_flags; /* hack */
54799
54800 if (var->accel_flags) {
54801 - info->fbops->fb_sync = atyfb_sync;
54802 + pax_open_kernel();
54803 + *(void **)&info->fbops->fb_sync = atyfb_sync;
54804 + pax_close_kernel();
54805 info->flags &= ~FBINFO_HWACCEL_DISABLED;
54806 } else {
54807 - info->fbops->fb_sync = NULL;
54808 + pax_open_kernel();
54809 + *(void **)&info->fbops->fb_sync = NULL;
54810 + pax_close_kernel();
54811 info->flags |= FBINFO_HWACCEL_DISABLED;
54812 }
54813
54814 diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c
54815 index 2fa0317..4983f2a 100644
54816 --- a/drivers/video/fbdev/aty/mach64_cursor.c
54817 +++ b/drivers/video/fbdev/aty/mach64_cursor.c
54818 @@ -8,6 +8,7 @@
54819 #include "../core/fb_draw.h"
54820
54821 #include <asm/io.h>
54822 +#include <asm/pgtable.h>
54823
54824 #ifdef __sparc__
54825 #include <asm/fbio.h>
54826 @@ -218,7 +219,9 @@ int aty_init_cursor(struct fb_info *info)
54827 info->sprite.buf_align = 16; /* and 64 lines tall. */
54828 info->sprite.flags = FB_PIXMAP_IO;
54829
54830 - info->fbops->fb_cursor = atyfb_cursor;
54831 + pax_open_kernel();
54832 + *(void **)&info->fbops->fb_cursor = atyfb_cursor;
54833 + pax_close_kernel();
54834
54835 return 0;
54836 }
54837 diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
54838 index d6cab1f..112f680 100644
54839 --- a/drivers/video/fbdev/core/fb_defio.c
54840 +++ b/drivers/video/fbdev/core/fb_defio.c
54841 @@ -207,7 +207,9 @@ void fb_deferred_io_init(struct fb_info *info)
54842
54843 BUG_ON(!fbdefio);
54844 mutex_init(&fbdefio->lock);
54845 - info->fbops->fb_mmap = fb_deferred_io_mmap;
54846 + pax_open_kernel();
54847 + *(void **)&info->fbops->fb_mmap = fb_deferred_io_mmap;
54848 + pax_close_kernel();
54849 INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work);
54850 INIT_LIST_HEAD(&fbdefio->pagelist);
54851 if (fbdefio->delay == 0) /* set a default of 1 s */
54852 @@ -238,7 +240,7 @@ void fb_deferred_io_cleanup(struct fb_info *info)
54853 page->mapping = NULL;
54854 }
54855
54856 - info->fbops->fb_mmap = NULL;
54857 + *(void **)&info->fbops->fb_mmap = NULL;
54858 mutex_destroy(&fbdefio->lock);
54859 }
54860 EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
54861 diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
54862 index 0705d88..d9429bf 100644
54863 --- a/drivers/video/fbdev/core/fbmem.c
54864 +++ b/drivers/video/fbdev/core/fbmem.c
54865 @@ -1301,7 +1301,7 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix,
54866 __u32 data;
54867 int err;
54868
54869 - err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id));
54870 + err = copy_to_user(fix32->id, &fix->id, sizeof(fix32->id));
54871
54872 data = (__u32) (unsigned long) fix->smem_start;
54873 err |= put_user(data, &fix32->smem_start);
54874 diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
54875 index 4254336..282567e 100644
54876 --- a/drivers/video/fbdev/hyperv_fb.c
54877 +++ b/drivers/video/fbdev/hyperv_fb.c
54878 @@ -240,7 +240,7 @@ static uint screen_fb_size;
54879 static inline int synthvid_send(struct hv_device *hdev,
54880 struct synthvid_msg *msg)
54881 {
54882 - static atomic64_t request_id = ATOMIC64_INIT(0);
54883 + static atomic64_unchecked_t request_id = ATOMIC64_INIT(0);
54884 int ret;
54885
54886 msg->pipe_hdr.type = PIPE_MSG_DATA;
54887 @@ -248,7 +248,7 @@ static inline int synthvid_send(struct hv_device *hdev,
54888
54889 ret = vmbus_sendpacket(hdev->channel, msg,
54890 msg->vid_hdr.size + sizeof(struct pipe_msg_hdr),
54891 - atomic64_inc_return(&request_id),
54892 + atomic64_inc_return_unchecked(&request_id),
54893 VM_PKT_DATA_INBAND, 0);
54894
54895 if (ret)
54896 diff --git a/drivers/video/fbdev/i810/i810_accel.c b/drivers/video/fbdev/i810/i810_accel.c
54897 index 7672d2e..b56437f 100644
54898 --- a/drivers/video/fbdev/i810/i810_accel.c
54899 +++ b/drivers/video/fbdev/i810/i810_accel.c
54900 @@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space)
54901 }
54902 }
54903 printk("ringbuffer lockup!!!\n");
54904 + printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space);
54905 i810_report_error(mmio);
54906 par->dev_flags |= LOCKUP;
54907 info->pixmap.scan_align = 1;
54908 diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c
54909 index a01147f..5d896f8 100644
54910 --- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c
54911 +++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c
54912 @@ -1088,14 +1088,20 @@ static void MGAG100_restore(struct matrox_fb_info *minfo)
54913
54914 #ifdef CONFIG_FB_MATROX_MYSTIQUE
54915 struct matrox_switch matrox_mystique = {
54916 - MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore,
54917 + .preinit = MGA1064_preinit,
54918 + .reset = MGA1064_reset,
54919 + .init = MGA1064_init,
54920 + .restore = MGA1064_restore,
54921 };
54922 EXPORT_SYMBOL(matrox_mystique);
54923 #endif
54924
54925 #ifdef CONFIG_FB_MATROX_G
54926 struct matrox_switch matrox_G100 = {
54927 - MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore,
54928 + .preinit = MGAG100_preinit,
54929 + .reset = MGAG100_reset,
54930 + .init = MGAG100_init,
54931 + .restore = MGAG100_restore,
54932 };
54933 EXPORT_SYMBOL(matrox_G100);
54934 #endif
54935 diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c
54936 index 195ad7c..09743fc 100644
54937 --- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c
54938 +++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c
54939 @@ -738,7 +738,10 @@ static int Ti3026_preinit(struct matrox_fb_info *minfo)
54940 }
54941
54942 struct matrox_switch matrox_millennium = {
54943 - Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore
54944 + .preinit = Ti3026_preinit,
54945 + .reset = Ti3026_reset,
54946 + .init = Ti3026_init,
54947 + .restore = Ti3026_restore
54948 };
54949 EXPORT_SYMBOL(matrox_millennium);
54950 #endif
54951 diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
54952 index fe92eed..106e085 100644
54953 --- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
54954 +++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
54955 @@ -312,14 +312,18 @@ void mb862xxfb_init_accel(struct fb_info *info, int xres)
54956 struct mb862xxfb_par *par = info->par;
54957
54958 if (info->var.bits_per_pixel == 32) {
54959 - info->fbops->fb_fillrect = cfb_fillrect;
54960 - info->fbops->fb_copyarea = cfb_copyarea;
54961 - info->fbops->fb_imageblit = cfb_imageblit;
54962 + pax_open_kernel();
54963 + *(void **)&info->fbops->fb_fillrect = cfb_fillrect;
54964 + *(void **)&info->fbops->fb_copyarea = cfb_copyarea;
54965 + *(void **)&info->fbops->fb_imageblit = cfb_imageblit;
54966 + pax_close_kernel();
54967 } else {
54968 outreg(disp, GC_L0EM, 3);
54969 - info->fbops->fb_fillrect = mb86290fb_fillrect;
54970 - info->fbops->fb_copyarea = mb86290fb_copyarea;
54971 - info->fbops->fb_imageblit = mb86290fb_imageblit;
54972 + pax_open_kernel();
54973 + *(void **)&info->fbops->fb_fillrect = mb86290fb_fillrect;
54974 + *(void **)&info->fbops->fb_copyarea = mb86290fb_copyarea;
54975 + *(void **)&info->fbops->fb_imageblit = mb86290fb_imageblit;
54976 + pax_close_kernel();
54977 }
54978 outreg(draw, GDC_REG_DRAW_BASE, 0);
54979 outreg(draw, GDC_REG_MODE_MISC, 0x8000);
54980 diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c
54981 index def0412..fed6529 100644
54982 --- a/drivers/video/fbdev/nvidia/nvidia.c
54983 +++ b/drivers/video/fbdev/nvidia/nvidia.c
54984 @@ -669,19 +669,23 @@ static int nvidiafb_set_par(struct fb_info *info)
54985 info->fix.line_length = (info->var.xres_virtual *
54986 info->var.bits_per_pixel) >> 3;
54987 if (info->var.accel_flags) {
54988 - info->fbops->fb_imageblit = nvidiafb_imageblit;
54989 - info->fbops->fb_fillrect = nvidiafb_fillrect;
54990 - info->fbops->fb_copyarea = nvidiafb_copyarea;
54991 - info->fbops->fb_sync = nvidiafb_sync;
54992 + pax_open_kernel();
54993 + *(void **)&info->fbops->fb_imageblit = nvidiafb_imageblit;
54994 + *(void **)&info->fbops->fb_fillrect = nvidiafb_fillrect;
54995 + *(void **)&info->fbops->fb_copyarea = nvidiafb_copyarea;
54996 + *(void **)&info->fbops->fb_sync = nvidiafb_sync;
54997 + pax_close_kernel();
54998 info->pixmap.scan_align = 4;
54999 info->flags &= ~FBINFO_HWACCEL_DISABLED;
55000 info->flags |= FBINFO_READS_FAST;
55001 NVResetGraphics(info);
55002 } else {
55003 - info->fbops->fb_imageblit = cfb_imageblit;
55004 - info->fbops->fb_fillrect = cfb_fillrect;
55005 - info->fbops->fb_copyarea = cfb_copyarea;
55006 - info->fbops->fb_sync = NULL;
55007 + pax_open_kernel();
55008 + *(void **)&info->fbops->fb_imageblit = cfb_imageblit;
55009 + *(void **)&info->fbops->fb_fillrect = cfb_fillrect;
55010 + *(void **)&info->fbops->fb_copyarea = cfb_copyarea;
55011 + *(void **)&info->fbops->fb_sync = NULL;
55012 + pax_close_kernel();
55013 info->pixmap.scan_align = 1;
55014 info->flags |= FBINFO_HWACCEL_DISABLED;
55015 info->flags &= ~FBINFO_READS_FAST;
55016 @@ -1173,8 +1177,11 @@ static int nvidia_set_fbinfo(struct fb_info *info)
55017 info->pixmap.size = 8 * 1024;
55018 info->pixmap.flags = FB_PIXMAP_SYSTEM;
55019
55020 - if (!hwcur)
55021 - info->fbops->fb_cursor = NULL;
55022 + if (!hwcur) {
55023 + pax_open_kernel();
55024 + *(void **)&info->fbops->fb_cursor = NULL;
55025 + pax_close_kernel();
55026 + }
55027
55028 info->var.accel_flags = (!noaccel);
55029
55030 diff --git a/drivers/video/fbdev/omap2/dss/display.c b/drivers/video/fbdev/omap2/dss/display.c
55031 index 2412a0d..294215b 100644
55032 --- a/drivers/video/fbdev/omap2/dss/display.c
55033 +++ b/drivers/video/fbdev/omap2/dss/display.c
55034 @@ -161,12 +161,14 @@ int omapdss_register_display(struct omap_dss_device *dssdev)
55035 if (dssdev->name == NULL)
55036 dssdev->name = dssdev->alias;
55037
55038 + pax_open_kernel();
55039 if (drv && drv->get_resolution == NULL)
55040 - drv->get_resolution = omapdss_default_get_resolution;
55041 + *(void **)&drv->get_resolution = omapdss_default_get_resolution;
55042 if (drv && drv->get_recommended_bpp == NULL)
55043 - drv->get_recommended_bpp = omapdss_default_get_recommended_bpp;
55044 + *(void **)&drv->get_recommended_bpp = omapdss_default_get_recommended_bpp;
55045 if (drv && drv->get_timings == NULL)
55046 - drv->get_timings = omapdss_default_get_timings;
55047 + *(void **)&drv->get_timings = omapdss_default_get_timings;
55048 + pax_close_kernel();
55049
55050 mutex_lock(&panel_list_mutex);
55051 list_add_tail(&dssdev->panel_list, &panel_list);
55052 diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c
55053 index 83433cb..71e9b98 100644
55054 --- a/drivers/video/fbdev/s1d13xxxfb.c
55055 +++ b/drivers/video/fbdev/s1d13xxxfb.c
55056 @@ -881,8 +881,10 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
55057
55058 switch(prod_id) {
55059 case S1D13506_PROD_ID: /* activate acceleration */
55060 - s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill;
55061 - s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea;
55062 + pax_open_kernel();
55063 + *(void **)&s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill;
55064 + *(void **)&s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea;
55065 + pax_close_kernel();
55066 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
55067 FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA;
55068 break;
55069 diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c
55070 index 2bcc84a..29dd1ea 100644
55071 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
55072 +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
55073 @@ -439,9 +439,9 @@ static unsigned long lcdc_sys_read_data(void *handle)
55074 }
55075
55076 static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
55077 - lcdc_sys_write_index,
55078 - lcdc_sys_write_data,
55079 - lcdc_sys_read_data,
55080 + .write_index = lcdc_sys_write_index,
55081 + .write_data = lcdc_sys_write_data,
55082 + .read_data = lcdc_sys_read_data,
55083 };
55084
55085 static int sh_mobile_lcdc_sginit(struct fb_info *info,
55086 diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
55087 index d513ed6..90b0de9 100644
55088 --- a/drivers/video/fbdev/smscufx.c
55089 +++ b/drivers/video/fbdev/smscufx.c
55090 @@ -1175,7 +1175,9 @@ static int ufx_ops_release(struct fb_info *info, int user)
55091 fb_deferred_io_cleanup(info);
55092 kfree(info->fbdefio);
55093 info->fbdefio = NULL;
55094 - info->fbops->fb_mmap = ufx_ops_mmap;
55095 + pax_open_kernel();
55096 + *(void **)&info->fbops->fb_mmap = ufx_ops_mmap;
55097 + pax_close_kernel();
55098 }
55099
55100 pr_debug("released /dev/fb%d user=%d count=%d",
55101 diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
55102 index 046d51d..be564da 100644
55103 --- a/drivers/video/fbdev/udlfb.c
55104 +++ b/drivers/video/fbdev/udlfb.c
55105 @@ -623,11 +623,11 @@ static int dlfb_handle_damage(struct dlfb_data *dev, int x, int y,
55106 dlfb_urb_completion(urb);
55107
55108 error:
55109 - atomic_add(bytes_sent, &dev->bytes_sent);
55110 - atomic_add(bytes_identical, &dev->bytes_identical);
55111 - atomic_add(width*height*2, &dev->bytes_rendered);
55112 + atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
55113 + atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
55114 + atomic_add_unchecked(width*height*2, &dev->bytes_rendered);
55115 end_cycles = get_cycles();
55116 - atomic_add(((unsigned int) ((end_cycles - start_cycles)
55117 + atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
55118 >> 10)), /* Kcycles */
55119 &dev->cpu_kcycles_used);
55120
55121 @@ -748,11 +748,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info,
55122 dlfb_urb_completion(urb);
55123
55124 error:
55125 - atomic_add(bytes_sent, &dev->bytes_sent);
55126 - atomic_add(bytes_identical, &dev->bytes_identical);
55127 - atomic_add(bytes_rendered, &dev->bytes_rendered);
55128 + atomic_add_unchecked(bytes_sent, &dev->bytes_sent);
55129 + atomic_add_unchecked(bytes_identical, &dev->bytes_identical);
55130 + atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered);
55131 end_cycles = get_cycles();
55132 - atomic_add(((unsigned int) ((end_cycles - start_cycles)
55133 + atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles)
55134 >> 10)), /* Kcycles */
55135 &dev->cpu_kcycles_used);
55136 }
55137 @@ -993,7 +993,9 @@ static int dlfb_ops_release(struct fb_info *info, int user)
55138 fb_deferred_io_cleanup(info);
55139 kfree(info->fbdefio);
55140 info->fbdefio = NULL;
55141 - info->fbops->fb_mmap = dlfb_ops_mmap;
55142 + pax_open_kernel();
55143 + *(void **)&info->fbops->fb_mmap = dlfb_ops_mmap;
55144 + pax_close_kernel();
55145 }
55146
55147 pr_warn("released /dev/fb%d user=%d count=%d\n",
55148 @@ -1376,7 +1378,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev,
55149 struct fb_info *fb_info = dev_get_drvdata(fbdev);
55150 struct dlfb_data *dev = fb_info->par;
55151 return snprintf(buf, PAGE_SIZE, "%u\n",
55152 - atomic_read(&dev->bytes_rendered));
55153 + atomic_read_unchecked(&dev->bytes_rendered));
55154 }
55155
55156 static ssize_t metrics_bytes_identical_show(struct device *fbdev,
55157 @@ -1384,7 +1386,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev,
55158 struct fb_info *fb_info = dev_get_drvdata(fbdev);
55159 struct dlfb_data *dev = fb_info->par;
55160 return snprintf(buf, PAGE_SIZE, "%u\n",
55161 - atomic_read(&dev->bytes_identical));
55162 + atomic_read_unchecked(&dev->bytes_identical));
55163 }
55164
55165 static ssize_t metrics_bytes_sent_show(struct device *fbdev,
55166 @@ -1392,7 +1394,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev,
55167 struct fb_info *fb_info = dev_get_drvdata(fbdev);
55168 struct dlfb_data *dev = fb_info->par;
55169 return snprintf(buf, PAGE_SIZE, "%u\n",
55170 - atomic_read(&dev->bytes_sent));
55171 + atomic_read_unchecked(&dev->bytes_sent));
55172 }
55173
55174 static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
55175 @@ -1400,7 +1402,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
55176 struct fb_info *fb_info = dev_get_drvdata(fbdev);
55177 struct dlfb_data *dev = fb_info->par;
55178 return snprintf(buf, PAGE_SIZE, "%u\n",
55179 - atomic_read(&dev->cpu_kcycles_used));
55180 + atomic_read_unchecked(&dev->cpu_kcycles_used));
55181 }
55182
55183 static ssize_t edid_show(
55184 @@ -1460,10 +1462,10 @@ static ssize_t metrics_reset_store(struct device *fbdev,
55185 struct fb_info *fb_info = dev_get_drvdata(fbdev);
55186 struct dlfb_data *dev = fb_info->par;
55187
55188 - atomic_set(&dev->bytes_rendered, 0);
55189 - atomic_set(&dev->bytes_identical, 0);
55190 - atomic_set(&dev->bytes_sent, 0);
55191 - atomic_set(&dev->cpu_kcycles_used, 0);
55192 + atomic_set_unchecked(&dev->bytes_rendered, 0);
55193 + atomic_set_unchecked(&dev->bytes_identical, 0);
55194 + atomic_set_unchecked(&dev->bytes_sent, 0);
55195 + atomic_set_unchecked(&dev->cpu_kcycles_used, 0);
55196
55197 return count;
55198 }
55199 diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
55200 index 509d452..7c9d2de 100644
55201 --- a/drivers/video/fbdev/uvesafb.c
55202 +++ b/drivers/video/fbdev/uvesafb.c
55203 @@ -19,6 +19,7 @@
55204 #include <linux/io.h>
55205 #include <linux/mutex.h>
55206 #include <linux/slab.h>
55207 +#include <linux/moduleloader.h>
55208 #include <video/edid.h>
55209 #include <video/uvesafb.h>
55210 #ifdef CONFIG_X86
55211 @@ -565,10 +566,32 @@ static int uvesafb_vbe_getpmi(struct uvesafb_ktask *task,
55212 if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) {
55213 par->pmi_setpal = par->ypan = 0;
55214 } else {
55215 +
55216 +#ifdef CONFIG_PAX_KERNEXEC
55217 +#ifdef CONFIG_MODULES
55218 + par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx);
55219 +#endif
55220 + if (!par->pmi_code) {
55221 + par->pmi_setpal = par->ypan = 0;
55222 + return 0;
55223 + }
55224 +#endif
55225 +
55226 par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4)
55227 + task->t.regs.edi);
55228 +
55229 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55230 + pax_open_kernel();
55231 + memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx);
55232 + pax_close_kernel();
55233 +
55234 + par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]);
55235 + par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]);
55236 +#else
55237 par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1];
55238 par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2];
55239 +#endif
55240 +
55241 printk(KERN_INFO "uvesafb: protected mode interface info at "
55242 "%04x:%04x\n",
55243 (u16)task->t.regs.es, (u16)task->t.regs.edi);
55244 @@ -813,13 +836,14 @@ static int uvesafb_vbe_init(struct fb_info *info)
55245 par->ypan = ypan;
55246
55247 if (par->pmi_setpal || par->ypan) {
55248 +#if !defined(CONFIG_MODULES) || !defined(CONFIG_PAX_KERNEXEC)
55249 if (__supported_pte_mask & _PAGE_NX) {
55250 par->pmi_setpal = par->ypan = 0;
55251 printk(KERN_WARNING "uvesafb: NX protection is active, "
55252 "better not use the PMI.\n");
55253 - } else {
55254 + } else
55255 +#endif
55256 uvesafb_vbe_getpmi(task, par);
55257 - }
55258 }
55259 #else
55260 /* The protected mode interface is not available on non-x86. */
55261 @@ -1453,8 +1477,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode)
55262 info->fix.ywrapstep = (par->ypan > 1) ? 1 : 0;
55263
55264 /* Disable blanking if the user requested so. */
55265 - if (!blank)
55266 - info->fbops->fb_blank = NULL;
55267 + if (!blank) {
55268 + pax_open_kernel();
55269 + *(void **)&info->fbops->fb_blank = NULL;
55270 + pax_close_kernel();
55271 + }
55272
55273 /*
55274 * Find out how much IO memory is required for the mode with
55275 @@ -1525,8 +1552,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode)
55276 info->flags = FBINFO_FLAG_DEFAULT |
55277 (par->ypan ? FBINFO_HWACCEL_YPAN : 0);
55278
55279 - if (!par->ypan)
55280 - info->fbops->fb_pan_display = NULL;
55281 + if (!par->ypan) {
55282 + pax_open_kernel();
55283 + *(void **)&info->fbops->fb_pan_display = NULL;
55284 + pax_close_kernel();
55285 + }
55286 }
55287
55288 static void uvesafb_init_mtrr(struct fb_info *info)
55289 @@ -1787,6 +1817,11 @@ out_mode:
55290 out:
55291 kfree(par->vbe_modes);
55292
55293 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55294 + if (par->pmi_code)
55295 + module_free_exec(NULL, par->pmi_code);
55296 +#endif
55297 +
55298 framebuffer_release(info);
55299 return err;
55300 }
55301 @@ -1811,6 +1846,11 @@ static int uvesafb_remove(struct platform_device *dev)
55302 kfree(par->vbe_state_orig);
55303 kfree(par->vbe_state_saved);
55304
55305 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55306 + if (par->pmi_code)
55307 + module_free_exec(NULL, par->pmi_code);
55308 +#endif
55309 +
55310 framebuffer_release(info);
55311 }
55312 return 0;
55313 diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
55314 index 6170e7f..dd63031 100644
55315 --- a/drivers/video/fbdev/vesafb.c
55316 +++ b/drivers/video/fbdev/vesafb.c
55317 @@ -9,6 +9,7 @@
55318 */
55319
55320 #include <linux/module.h>
55321 +#include <linux/moduleloader.h>
55322 #include <linux/kernel.h>
55323 #include <linux/errno.h>
55324 #include <linux/string.h>
55325 @@ -52,8 +53,8 @@ static int vram_remap; /* Set amount of memory to be used */
55326 static int vram_total; /* Set total amount of memory */
55327 static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */
55328 static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */
55329 -static void (*pmi_start)(void) __read_mostly;
55330 -static void (*pmi_pal) (void) __read_mostly;
55331 +static void (*pmi_start)(void) __read_only;
55332 +static void (*pmi_pal) (void) __read_only;
55333 static int depth __read_mostly;
55334 static int vga_compat __read_mostly;
55335 /* --------------------------------------------------------------------- */
55336 @@ -233,6 +234,7 @@ static int vesafb_probe(struct platform_device *dev)
55337 unsigned int size_remap;
55338 unsigned int size_total;
55339 char *option = NULL;
55340 + void *pmi_code = NULL;
55341
55342 /* ignore error return of fb_get_options */
55343 fb_get_options("vesafb", &option);
55344 @@ -279,10 +281,6 @@ static int vesafb_probe(struct platform_device *dev)
55345 size_remap = size_total;
55346 vesafb_fix.smem_len = size_remap;
55347
55348 -#ifndef __i386__
55349 - screen_info.vesapm_seg = 0;
55350 -#endif
55351 -
55352 if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) {
55353 printk(KERN_WARNING
55354 "vesafb: cannot reserve video memory at 0x%lx\n",
55355 @@ -312,9 +310,21 @@ static int vesafb_probe(struct platform_device *dev)
55356 printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
55357 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages);
55358
55359 +#ifdef __i386__
55360 +
55361 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55362 + pmi_code = module_alloc_exec(screen_info.vesapm_size);
55363 + if (!pmi_code)
55364 +#elif !defined(CONFIG_PAX_KERNEXEC)
55365 + if (0)
55366 +#endif
55367 +
55368 +#endif
55369 + screen_info.vesapm_seg = 0;
55370 +
55371 if (screen_info.vesapm_seg) {
55372 - printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n",
55373 - screen_info.vesapm_seg,screen_info.vesapm_off);
55374 + printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n",
55375 + screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size);
55376 }
55377
55378 if (screen_info.vesapm_seg < 0xc000)
55379 @@ -322,9 +332,25 @@ static int vesafb_probe(struct platform_device *dev)
55380
55381 if (ypan || pmi_setpal) {
55382 unsigned short *pmi_base;
55383 +
55384 pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
55385 - pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
55386 - pmi_pal = (void*)((char*)pmi_base + pmi_base[2]);
55387 +
55388 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55389 + pax_open_kernel();
55390 + memcpy(pmi_code, pmi_base, screen_info.vesapm_size);
55391 +#else
55392 + pmi_code = pmi_base;
55393 +#endif
55394 +
55395 + pmi_start = (void*)((char*)pmi_code + pmi_base[1]);
55396 + pmi_pal = (void*)((char*)pmi_code + pmi_base[2]);
55397 +
55398 +#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55399 + pmi_start = ktva_ktla(pmi_start);
55400 + pmi_pal = ktva_ktla(pmi_pal);
55401 + pax_close_kernel();
55402 +#endif
55403 +
55404 printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal);
55405 if (pmi_base[3]) {
55406 printk(KERN_INFO "vesafb: pmi: ports = ");
55407 @@ -477,8 +503,11 @@ static int vesafb_probe(struct platform_device *dev)
55408 info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |
55409 (ypan ? FBINFO_HWACCEL_YPAN : 0);
55410
55411 - if (!ypan)
55412 - info->fbops->fb_pan_display = NULL;
55413 + if (!ypan) {
55414 + pax_open_kernel();
55415 + *(void **)&info->fbops->fb_pan_display = NULL;
55416 + pax_close_kernel();
55417 + }
55418
55419 if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
55420 err = -ENOMEM;
55421 @@ -492,6 +521,11 @@ static int vesafb_probe(struct platform_device *dev)
55422 fb_info(info, "%s frame buffer device\n", info->fix.id);
55423 return 0;
55424 err:
55425 +
55426 +#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC)
55427 + module_free_exec(NULL, pmi_code);
55428 +#endif
55429 +
55430 if (info->screen_base)
55431 iounmap(info->screen_base);
55432 framebuffer_release(info);
55433 diff --git a/drivers/video/fbdev/via/via_clock.h b/drivers/video/fbdev/via/via_clock.h
55434 index 88714ae..16c2e11 100644
55435 --- a/drivers/video/fbdev/via/via_clock.h
55436 +++ b/drivers/video/fbdev/via/via_clock.h
55437 @@ -56,7 +56,7 @@ struct via_clock {
55438
55439 void (*set_engine_pll_state)(u8 state);
55440 void (*set_engine_pll)(struct via_pll_config config);
55441 -};
55442 +} __no_const;
55443
55444
55445 static inline u32 get_pll_internal_frequency(u32 ref_freq,
55446 diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm
55447 index 3c14e43..2630570 100644
55448 --- a/drivers/video/logo/logo_linux_clut224.ppm
55449 +++ b/drivers/video/logo/logo_linux_clut224.ppm
55450 @@ -2,1603 +2,1123 @@ P3
55451 # Standard 224-color Linux logo
55452 80 80
55453 255
55454 - 0 0 0 0 0 0 0 0 0 0 0 0
55455 - 0 0 0 0 0 0 0 0 0 0 0 0
55456 - 0 0 0 0 0 0 0 0 0 0 0 0
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55464 - 10 10 10 6 6 6 6 6 6 6 6 6
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55471 - 0 0 0 0 0 0 0 0 0 0 0 0
55472 - 0 0 0 0 0 0 0 0 0 0 0 0
55473 - 0 0 0 0 0 0 0 0 0 0 0 0
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55480 - 0 0 0 0 0 0 0 0 0 0 0 0
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55483 - 22 22 22 26 26 26 30 30 30 34 34 34
55484 - 30 30 30 30 30 30 26 26 26 18 18 18
55485 - 14 14 14 10 10 10 6 6 6 0 0 0
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55487 - 0 0 0 0 0 0 0 0 0 0 0 0
55488 - 0 0 0 0 0 0 0 0 0 0 0 0
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55680 - 0 0 0 0 0 0 0 0 0 10 10 10
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55682 - 2 2 6 2 2 6 2 2 6 2 2 6
55683 - 2 2 6 2 2 6 2 2 6 2 2 6
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55685 - 2 2 6 2 2 6 2 2 6 2 2 6
55686 - 2 2 6 2 2 6 2 2 6 54 54 54
55687 - 66 66 66 26 26 26 6 6 6 0 0 0
55688 - 0 0 0 0 0 0 0 0 0 0 0 0
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55691 - 0 0 0 0 0 0 0 0 0 0 0 0
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55694 - 0 0 0 0 0 0 0 0 0 0 0 0
55695 - 0 0 0 0 0 1 0 0 1 0 0 0
55696 - 0 0 0 0 0 0 0 0 0 0 0 0
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58039 +193 200 203 174 174 174 193 200 203 167 166 167 125 124 125 6 6 6
58040 +6 6 6 6 6 6 4 0 0 6 6 6 6 6 6 5 5 5
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58145 +4 4 4 4 4 4
58146 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58147 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58148 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58149 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58150 +4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 6 6 6
58151 +5 5 5 4 3 3 4 3 3 4 3 3 5 5 5 5 5 5
58152 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58153 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58154 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58155 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58156 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58157 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58158 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58159 +4 4 4 4 4 4
58160 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58161 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58162 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58163 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58164 +4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 4 3 3
58165 +5 5 5 4 3 3 5 5 5 5 5 5 4 4 4 4 4 4
58166 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58167 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58168 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58169 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58170 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58171 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58172 +4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
58173 +4 4 4 4 4 4
58174 diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c
58175 index fef20db..d28b1ab 100644
58176 --- a/drivers/xen/xenfs/xenstored.c
58177 +++ b/drivers/xen/xenfs/xenstored.c
58178 @@ -24,7 +24,12 @@ static int xsd_release(struct inode *inode, struct file *file)
58179 static int xsd_kva_open(struct inode *inode, struct file *file)
58180 {
58181 file->private_data = (void *)kasprintf(GFP_KERNEL, "0x%p",
58182 +#ifdef CONFIG_GRKERNSEC_HIDESYM
58183 + NULL);
58184 +#else
58185 xen_store_interface);
58186 +#endif
58187 +
58188 if (!file->private_data)
58189 return -ENOMEM;
58190 return 0;
58191 diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
58192 index eb14e05..5156de7 100644
58193 --- a/fs/9p/vfs_addr.c
58194 +++ b/fs/9p/vfs_addr.c
58195 @@ -187,7 +187,7 @@ static int v9fs_vfs_writepage_locked(struct page *page)
58196
58197 retval = v9fs_file_write_internal(inode,
58198 v9inode->writeback_fid,
58199 - (__force const char __user *)buffer,
58200 + (const char __force_user *)buffer,
58201 len, &offset, 0);
58202 if (retval > 0)
58203 retval = 0;
58204 diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
58205 index 296482f..183ddc3 100644
58206 --- a/fs/9p/vfs_inode.c
58207 +++ b/fs/9p/vfs_inode.c
58208 @@ -1312,7 +1312,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
58209 void
58210 v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
58211 {
58212 - char *s = nd_get_link(nd);
58213 + const char *s = nd_get_link(nd);
58214
58215 p9_debug(P9_DEBUG_VFS, " %pd %s\n",
58216 dentry, IS_ERR(s) ? "<error>" : s);
58217 diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
58218 index 370b24c..ff0be7b 100644
58219 --- a/fs/Kconfig.binfmt
58220 +++ b/fs/Kconfig.binfmt
58221 @@ -103,7 +103,7 @@ config HAVE_AOUT
58222
58223 config BINFMT_AOUT
58224 tristate "Kernel support for a.out and ECOFF binaries"
58225 - depends on HAVE_AOUT
58226 + depends on HAVE_AOUT && BROKEN
58227 ---help---
58228 A.out (Assembler.OUTput) is a set of formats for libraries and
58229 executables used in the earliest versions of UNIX. Linux used
58230 diff --git a/fs/afs/inode.c b/fs/afs/inode.c
58231 index 2946712..f737435 100644
58232 --- a/fs/afs/inode.c
58233 +++ b/fs/afs/inode.c
58234 @@ -141,7 +141,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name,
58235 struct afs_vnode *vnode;
58236 struct super_block *sb;
58237 struct inode *inode;
58238 - static atomic_t afs_autocell_ino;
58239 + static atomic_unchecked_t afs_autocell_ino;
58240
58241 _enter("{%x:%u},%*.*s,",
58242 AFS_FS_I(dir)->fid.vid, AFS_FS_I(dir)->fid.vnode,
58243 @@ -154,7 +154,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name,
58244 data.fid.unique = 0;
58245 data.fid.vnode = 0;
58246
58247 - inode = iget5_locked(sb, atomic_inc_return(&afs_autocell_ino),
58248 + inode = iget5_locked(sb, atomic_inc_return_unchecked(&afs_autocell_ino),
58249 afs_iget5_autocell_test, afs_iget5_set,
58250 &data);
58251 if (!inode) {
58252 diff --git a/fs/aio.c b/fs/aio.c
58253 index 14b9315..365980f 100644
58254 --- a/fs/aio.c
58255 +++ b/fs/aio.c
58256 @@ -388,7 +388,7 @@ static int aio_setup_ring(struct kioctx *ctx)
58257 size += sizeof(struct io_event) * nr_events;
58258
58259 nr_pages = PFN_UP(size);
58260 - if (nr_pages < 0)
58261 + if (nr_pages <= 0)
58262 return -EINVAL;
58263
58264 file = aio_private_file(ctx, nr_pages);
58265 diff --git a/fs/attr.c b/fs/attr.c
58266 index 6530ced..4a827e2 100644
58267 --- a/fs/attr.c
58268 +++ b/fs/attr.c
58269 @@ -102,6 +102,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset)
58270 unsigned long limit;
58271
58272 limit = rlimit(RLIMIT_FSIZE);
58273 + gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1);
58274 if (limit != RLIM_INFINITY && offset > limit)
58275 goto out_sig;
58276 if (offset > inode->i_sb->s_maxbytes)
58277 diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
58278 index 116fd38..c04182da 100644
58279 --- a/fs/autofs4/waitq.c
58280 +++ b/fs/autofs4/waitq.c
58281 @@ -59,7 +59,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
58282 {
58283 unsigned long sigpipe, flags;
58284 mm_segment_t fs;
58285 - const char *data = (const char *)addr;
58286 + const char __user *data = (const char __force_user *)addr;
58287 ssize_t wr = 0;
58288
58289 sigpipe = sigismember(&current->pending.signal, SIGPIPE);
58290 @@ -340,6 +340,10 @@ static int validate_request(struct autofs_wait_queue **wait,
58291 return 1;
58292 }
58293
58294 +#ifdef CONFIG_GRKERNSEC_HIDESYM
58295 +static atomic_unchecked_t autofs_dummy_name_id = ATOMIC_INIT(0);
58296 +#endif
58297 +
58298 int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
58299 enum autofs_notify notify)
58300 {
58301 @@ -385,7 +389,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
58302
58303 /* If this is a direct mount request create a dummy name */
58304 if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type))
58305 +#ifdef CONFIG_GRKERNSEC_HIDESYM
58306 + /* this name does get written to userland via autofs4_write() */
58307 + qstr.len = sprintf(name, "%08x", atomic_inc_return_unchecked(&autofs_dummy_name_id));
58308 +#else
58309 qstr.len = sprintf(name, "%p", dentry);
58310 +#endif
58311 else {
58312 qstr.len = autofs4_getpath(sbi, dentry, &name);
58313 if (!qstr.len) {
58314 diff --git a/fs/befs/endian.h b/fs/befs/endian.h
58315 index 2722387..56059b5 100644
58316 --- a/fs/befs/endian.h
58317 +++ b/fs/befs/endian.h
58318 @@ -11,7 +11,7 @@
58319
58320 #include <asm/byteorder.h>
58321
58322 -static inline u64
58323 +static inline u64 __intentional_overflow(-1)
58324 fs64_to_cpu(const struct super_block *sb, fs64 n)
58325 {
58326 if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
58327 @@ -29,7 +29,7 @@ cpu_to_fs64(const struct super_block *sb, u64 n)
58328 return (__force fs64)cpu_to_be64(n);
58329 }
58330
58331 -static inline u32
58332 +static inline u32 __intentional_overflow(-1)
58333 fs32_to_cpu(const struct super_block *sb, fs32 n)
58334 {
58335 if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
58336 @@ -47,7 +47,7 @@ cpu_to_fs32(const struct super_block *sb, u32 n)
58337 return (__force fs32)cpu_to_be32(n);
58338 }
58339
58340 -static inline u16
58341 +static inline u16 __intentional_overflow(-1)
58342 fs16_to_cpu(const struct super_block *sb, fs16 n)
58343 {
58344 if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
58345 diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
58346 index 929dec0..84bd914 100644
58347 --- a/fs/binfmt_aout.c
58348 +++ b/fs/binfmt_aout.c
58349 @@ -16,6 +16,7 @@
58350 #include <linux/string.h>
58351 #include <linux/fs.h>
58352 #include <linux/file.h>
58353 +#include <linux/security.h>
58354 #include <linux/stat.h>
58355 #include <linux/fcntl.h>
58356 #include <linux/ptrace.h>
58357 @@ -58,6 +59,8 @@ static int aout_core_dump(struct coredump_params *cprm)
58358 #endif
58359 # define START_STACK(u) ((void __user *)u.start_stack)
58360
58361 + memset(&dump, 0, sizeof(dump));
58362 +
58363 fs = get_fs();
58364 set_fs(KERNEL_DS);
58365 has_dumped = 1;
58366 @@ -68,10 +71,12 @@ static int aout_core_dump(struct coredump_params *cprm)
58367
58368 /* If the size of the dump file exceeds the rlimit, then see what would happen
58369 if we wrote the stack, but not the data area. */
58370 + gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1);
58371 if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit)
58372 dump.u_dsize = 0;
58373
58374 /* Make sure we have enough room to write the stack and data areas. */
58375 + gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1);
58376 if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit)
58377 dump.u_ssize = 0;
58378
58379 @@ -232,6 +237,8 @@ static int load_aout_binary(struct linux_binprm * bprm)
58380 rlim = rlimit(RLIMIT_DATA);
58381 if (rlim >= RLIM_INFINITY)
58382 rlim = ~0;
58383 +
58384 + gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1);
58385 if (ex.a_data + ex.a_bss > rlim)
58386 return -ENOMEM;
58387
58388 @@ -261,6 +268,27 @@ static int load_aout_binary(struct linux_binprm * bprm)
58389
58390 install_exec_creds(bprm);
58391
58392 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
58393 + current->mm->pax_flags = 0UL;
58394 +#endif
58395 +
58396 +#ifdef CONFIG_PAX_PAGEEXEC
58397 + if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) {
58398 + current->mm->pax_flags |= MF_PAX_PAGEEXEC;
58399 +
58400 +#ifdef CONFIG_PAX_EMUTRAMP
58401 + if (N_FLAGS(ex) & F_PAX_EMUTRAMP)
58402 + current->mm->pax_flags |= MF_PAX_EMUTRAMP;
58403 +#endif
58404 +
58405 +#ifdef CONFIG_PAX_MPROTECT
58406 + if (!(N_FLAGS(ex) & F_PAX_MPROTECT))
58407 + current->mm->pax_flags |= MF_PAX_MPROTECT;
58408 +#endif
58409 +
58410 + }
58411 +#endif
58412 +
58413 if (N_MAGIC(ex) == OMAGIC) {
58414 unsigned long text_addr, map_size;
58415 loff_t pos;
58416 @@ -312,7 +340,7 @@ static int load_aout_binary(struct linux_binprm * bprm)
58417 return error;
58418
58419 error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
58420 - PROT_READ | PROT_WRITE | PROT_EXEC,
58421 + PROT_READ | PROT_WRITE,
58422 MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE,
58423 fd_offset + ex.a_text);
58424 if (error != N_DATADDR(ex))
58425 diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
58426 index d8fc060..cbd44d5 100644
58427 --- a/fs/binfmt_elf.c
58428 +++ b/fs/binfmt_elf.c
58429 @@ -34,6 +34,7 @@
58430 #include <linux/utsname.h>
58431 #include <linux/coredump.h>
58432 #include <linux/sched.h>
58433 +#include <linux/xattr.h>
58434 #include <asm/uaccess.h>
58435 #include <asm/param.h>
58436 #include <asm/page.h>
58437 @@ -47,7 +48,7 @@
58438
58439 static int load_elf_binary(struct linux_binprm *bprm);
58440 static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *,
58441 - int, int, unsigned long);
58442 + int, int, unsigned long) __intentional_overflow(-1);
58443
58444 #ifdef CONFIG_USELIB
58445 static int load_elf_library(struct file *);
58446 @@ -65,6 +66,14 @@ static int elf_core_dump(struct coredump_params *cprm);
58447 #define elf_core_dump NULL
58448 #endif
58449
58450 +#ifdef CONFIG_PAX_MPROTECT
58451 +static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags);
58452 +#endif
58453 +
58454 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
58455 +static void elf_handle_mmap(struct file *file);
58456 +#endif
58457 +
58458 #if ELF_EXEC_PAGESIZE > PAGE_SIZE
58459 #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE
58460 #else
58461 @@ -84,6 +93,15 @@ static struct linux_binfmt elf_format = {
58462 .load_binary = load_elf_binary,
58463 .load_shlib = load_elf_library,
58464 .core_dump = elf_core_dump,
58465 +
58466 +#ifdef CONFIG_PAX_MPROTECT
58467 + .handle_mprotect= elf_handle_mprotect,
58468 +#endif
58469 +
58470 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
58471 + .handle_mmap = elf_handle_mmap,
58472 +#endif
58473 +
58474 .min_coredump = ELF_EXEC_PAGESIZE,
58475 };
58476
58477 @@ -91,6 +109,8 @@ static struct linux_binfmt elf_format = {
58478
58479 static int set_brk(unsigned long start, unsigned long end)
58480 {
58481 + unsigned long e = end;
58482 +
58483 start = ELF_PAGEALIGN(start);
58484 end = ELF_PAGEALIGN(end);
58485 if (end > start) {
58486 @@ -99,7 +119,7 @@ static int set_brk(unsigned long start, unsigned long end)
58487 if (BAD_ADDR(addr))
58488 return addr;
58489 }
58490 - current->mm->start_brk = current->mm->brk = end;
58491 + current->mm->start_brk = current->mm->brk = e;
58492 return 0;
58493 }
58494
58495 @@ -160,12 +180,13 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
58496 elf_addr_t __user *u_rand_bytes;
58497 const char *k_platform = ELF_PLATFORM;
58498 const char *k_base_platform = ELF_BASE_PLATFORM;
58499 - unsigned char k_rand_bytes[16];
58500 + u32 k_rand_bytes[4];
58501 int items;
58502 elf_addr_t *elf_info;
58503 int ei_index = 0;
58504 const struct cred *cred = current_cred();
58505 struct vm_area_struct *vma;
58506 + unsigned long saved_auxv[AT_VECTOR_SIZE];
58507
58508 /*
58509 * In some cases (e.g. Hyper-Threading), we want to avoid L1
58510 @@ -207,8 +228,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
58511 * Generate 16 random bytes for userspace PRNG seeding.
58512 */
58513 get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes));
58514 - u_rand_bytes = (elf_addr_t __user *)
58515 - STACK_ALLOC(p, sizeof(k_rand_bytes));
58516 + prandom_seed(k_rand_bytes[0] ^ prandom_u32());
58517 + prandom_seed(k_rand_bytes[1] ^ prandom_u32());
58518 + prandom_seed(k_rand_bytes[2] ^ prandom_u32());
58519 + prandom_seed(k_rand_bytes[3] ^ prandom_u32());
58520 + p = STACK_ROUND(p, sizeof(k_rand_bytes));
58521 + u_rand_bytes = (elf_addr_t __user *) p;
58522 if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
58523 return -EFAULT;
58524
58525 @@ -323,9 +348,11 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
58526 return -EFAULT;
58527 current->mm->env_end = p;
58528
58529 + memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t));
58530 +
58531 /* Put the elf_info on the stack in the right place. */
58532 sp = (elf_addr_t __user *)envp + 1;
58533 - if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t)))
58534 + if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t)))
58535 return -EFAULT;
58536 return 0;
58537 }
58538 @@ -393,15 +420,14 @@ static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr)
58539 an ELF header */
58540
58541 static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
58542 - struct file *interpreter, unsigned long *interp_map_addr,
58543 - unsigned long no_base)
58544 + struct file *interpreter, unsigned long no_base)
58545 {
58546 struct elf_phdr *elf_phdata;
58547 struct elf_phdr *eppnt;
58548 - unsigned long load_addr = 0;
58549 + unsigned long load_addr = 0, pax_task_size = TASK_SIZE;
58550 int load_addr_set = 0;
58551 unsigned long last_bss = 0, elf_bss = 0;
58552 - unsigned long error = ~0UL;
58553 + unsigned long error = -EINVAL;
58554 unsigned long total_size;
58555 int retval, i, size;
58556
58557 @@ -447,6 +473,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
58558 goto out_close;
58559 }
58560
58561 +#ifdef CONFIG_PAX_SEGMEXEC
58562 + if (current->mm->pax_flags & MF_PAX_SEGMEXEC)
58563 + pax_task_size = SEGMEXEC_TASK_SIZE;
58564 +#endif
58565 +
58566 eppnt = elf_phdata;
58567 for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
58568 if (eppnt->p_type == PT_LOAD) {
58569 @@ -470,8 +501,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
58570 map_addr = elf_map(interpreter, load_addr + vaddr,
58571 eppnt, elf_prot, elf_type, total_size);
58572 total_size = 0;
58573 - if (!*interp_map_addr)
58574 - *interp_map_addr = map_addr;
58575 error = map_addr;
58576 if (BAD_ADDR(map_addr))
58577 goto out_close;
58578 @@ -490,8 +519,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
58579 k = load_addr + eppnt->p_vaddr;
58580 if (BAD_ADDR(k) ||
58581 eppnt->p_filesz > eppnt->p_memsz ||
58582 - eppnt->p_memsz > TASK_SIZE ||
58583 - TASK_SIZE - eppnt->p_memsz < k) {
58584 + eppnt->p_memsz > pax_task_size ||
58585 + pax_task_size - eppnt->p_memsz < k) {
58586 error = -ENOMEM;
58587 goto out_close;
58588 }
58589 @@ -530,9 +559,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
58590 elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1);
58591
58592 /* Map the last of the bss segment */
58593 - error = vm_brk(elf_bss, last_bss - elf_bss);
58594 - if (BAD_ADDR(error))
58595 - goto out_close;
58596 + if (last_bss > elf_bss) {
58597 + error = vm_brk(elf_bss, last_bss - elf_bss);
58598 + if (BAD_ADDR(error))
58599 + goto out_close;
58600 + }
58601 }
58602
58603 error = load_addr;
58604 @@ -543,6 +574,336 @@ out:
58605 return error;
58606 }
58607
58608 +#ifdef CONFIG_PAX_PT_PAX_FLAGS
58609 +#ifdef CONFIG_PAX_SOFTMODE
58610 +static unsigned long pax_parse_pt_pax_softmode(const struct elf_phdr * const elf_phdata)
58611 +{
58612 + unsigned long pax_flags = 0UL;
58613 +
58614 +#ifdef CONFIG_PAX_PAGEEXEC
58615 + if (elf_phdata->p_flags & PF_PAGEEXEC)
58616 + pax_flags |= MF_PAX_PAGEEXEC;
58617 +#endif
58618 +
58619 +#ifdef CONFIG_PAX_SEGMEXEC
58620 + if (elf_phdata->p_flags & PF_SEGMEXEC)
58621 + pax_flags |= MF_PAX_SEGMEXEC;
58622 +#endif
58623 +
58624 +#ifdef CONFIG_PAX_EMUTRAMP
58625 + if ((elf_phdata->p_flags & PF_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)))
58626 + pax_flags |= MF_PAX_EMUTRAMP;
58627 +#endif
58628 +
58629 +#ifdef CONFIG_PAX_MPROTECT
58630 + if (elf_phdata->p_flags & PF_MPROTECT)
58631 + pax_flags |= MF_PAX_MPROTECT;
58632 +#endif
58633 +
58634 +#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
58635 + if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP))
58636 + pax_flags |= MF_PAX_RANDMMAP;
58637 +#endif
58638 +
58639 + return pax_flags;
58640 +}
58641 +#endif
58642 +
58643 +static unsigned long pax_parse_pt_pax_hardmode(const struct elf_phdr * const elf_phdata)
58644 +{
58645 + unsigned long pax_flags = 0UL;
58646 +
58647 +#ifdef CONFIG_PAX_PAGEEXEC
58648 + if (!(elf_phdata->p_flags & PF_NOPAGEEXEC))
58649 + pax_flags |= MF_PAX_PAGEEXEC;
58650 +#endif
58651 +
58652 +#ifdef CONFIG_PAX_SEGMEXEC
58653 + if (!(elf_phdata->p_flags & PF_NOSEGMEXEC))
58654 + pax_flags |= MF_PAX_SEGMEXEC;
58655 +#endif
58656 +
58657 +#ifdef CONFIG_PAX_EMUTRAMP
58658 + if (!(elf_phdata->p_flags & PF_NOEMUTRAMP))
58659 + pax_flags |= MF_PAX_EMUTRAMP;
58660 +#endif
58661 +
58662 +#ifdef CONFIG_PAX_MPROTECT
58663 + if (!(elf_phdata->p_flags & PF_NOMPROTECT))
58664 + pax_flags |= MF_PAX_MPROTECT;
58665 +#endif
58666 +
58667 +#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
58668 + if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP))
58669 + pax_flags |= MF_PAX_RANDMMAP;
58670 +#endif
58671 +
58672 + return pax_flags;
58673 +}
58674 +#endif
58675 +
58676 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
58677 +#ifdef CONFIG_PAX_SOFTMODE
58678 +static unsigned long pax_parse_xattr_pax_softmode(unsigned long pax_flags_softmode)
58679 +{
58680 + unsigned long pax_flags = 0UL;
58681 +
58682 +#ifdef CONFIG_PAX_PAGEEXEC
58683 + if (pax_flags_softmode & MF_PAX_PAGEEXEC)
58684 + pax_flags |= MF_PAX_PAGEEXEC;
58685 +#endif
58686 +
58687 +#ifdef CONFIG_PAX_SEGMEXEC
58688 + if (pax_flags_softmode & MF_PAX_SEGMEXEC)
58689 + pax_flags |= MF_PAX_SEGMEXEC;
58690 +#endif
58691 +
58692 +#ifdef CONFIG_PAX_EMUTRAMP
58693 + if ((pax_flags_softmode & MF_PAX_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)))
58694 + pax_flags |= MF_PAX_EMUTRAMP;
58695 +#endif
58696 +
58697 +#ifdef CONFIG_PAX_MPROTECT
58698 + if (pax_flags_softmode & MF_PAX_MPROTECT)
58699 + pax_flags |= MF_PAX_MPROTECT;
58700 +#endif
58701 +
58702 +#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
58703 + if (randomize_va_space && (pax_flags_softmode & MF_PAX_RANDMMAP))
58704 + pax_flags |= MF_PAX_RANDMMAP;
58705 +#endif
58706 +
58707 + return pax_flags;
58708 +}
58709 +#endif
58710 +
58711 +static unsigned long pax_parse_xattr_pax_hardmode(unsigned long pax_flags_hardmode)
58712 +{
58713 + unsigned long pax_flags = 0UL;
58714 +
58715 +#ifdef CONFIG_PAX_PAGEEXEC
58716 + if (!(pax_flags_hardmode & MF_PAX_PAGEEXEC))
58717 + pax_flags |= MF_PAX_PAGEEXEC;
58718 +#endif
58719 +
58720 +#ifdef CONFIG_PAX_SEGMEXEC
58721 + if (!(pax_flags_hardmode & MF_PAX_SEGMEXEC))
58722 + pax_flags |= MF_PAX_SEGMEXEC;
58723 +#endif
58724 +
58725 +#ifdef CONFIG_PAX_EMUTRAMP
58726 + if (!(pax_flags_hardmode & MF_PAX_EMUTRAMP))
58727 + pax_flags |= MF_PAX_EMUTRAMP;
58728 +#endif
58729 +
58730 +#ifdef CONFIG_PAX_MPROTECT
58731 + if (!(pax_flags_hardmode & MF_PAX_MPROTECT))
58732 + pax_flags |= MF_PAX_MPROTECT;
58733 +#endif
58734 +
58735 +#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)
58736 + if (randomize_va_space && !(pax_flags_hardmode & MF_PAX_RANDMMAP))
58737 + pax_flags |= MF_PAX_RANDMMAP;
58738 +#endif
58739 +
58740 + return pax_flags;
58741 +}
58742 +#endif
58743 +
58744 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
58745 +static unsigned long pax_parse_defaults(void)
58746 +{
58747 + unsigned long pax_flags = 0UL;
58748 +
58749 +#ifdef CONFIG_PAX_SOFTMODE
58750 + if (pax_softmode)
58751 + return pax_flags;
58752 +#endif
58753 +
58754 +#ifdef CONFIG_PAX_PAGEEXEC
58755 + pax_flags |= MF_PAX_PAGEEXEC;
58756 +#endif
58757 +
58758 +#ifdef CONFIG_PAX_SEGMEXEC
58759 + pax_flags |= MF_PAX_SEGMEXEC;
58760 +#endif
58761 +
58762 +#ifdef CONFIG_PAX_MPROTECT
58763 + pax_flags |= MF_PAX_MPROTECT;
58764 +#endif
58765 +
58766 +#ifdef CONFIG_PAX_RANDMMAP
58767 + if (randomize_va_space)
58768 + pax_flags |= MF_PAX_RANDMMAP;
58769 +#endif
58770 +
58771 + return pax_flags;
58772 +}
58773 +
58774 +static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex)
58775 +{
58776 + unsigned long pax_flags = PAX_PARSE_FLAGS_FALLBACK;
58777 +
58778 +#ifdef CONFIG_PAX_EI_PAX
58779 +
58780 +#ifdef CONFIG_PAX_SOFTMODE
58781 + if (pax_softmode)
58782 + return pax_flags;
58783 +#endif
58784 +
58785 + pax_flags = 0UL;
58786 +
58787 +#ifdef CONFIG_PAX_PAGEEXEC
58788 + if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC))
58789 + pax_flags |= MF_PAX_PAGEEXEC;
58790 +#endif
58791 +
58792 +#ifdef CONFIG_PAX_SEGMEXEC
58793 + if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC))
58794 + pax_flags |= MF_PAX_SEGMEXEC;
58795 +#endif
58796 +
58797 +#ifdef CONFIG_PAX_EMUTRAMP
58798 + if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP))
58799 + pax_flags |= MF_PAX_EMUTRAMP;
58800 +#endif
58801 +
58802 +#ifdef CONFIG_PAX_MPROTECT
58803 + if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT))
58804 + pax_flags |= MF_PAX_MPROTECT;
58805 +#endif
58806 +
58807 +#ifdef CONFIG_PAX_ASLR
58808 + if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP))
58809 + pax_flags |= MF_PAX_RANDMMAP;
58810 +#endif
58811 +
58812 +#endif
58813 +
58814 + return pax_flags;
58815 +
58816 +}
58817 +
58818 +static unsigned long pax_parse_pt_pax(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata)
58819 +{
58820 +
58821 +#ifdef CONFIG_PAX_PT_PAX_FLAGS
58822 + unsigned long i;
58823 +
58824 + for (i = 0UL; i < elf_ex->e_phnum; i++)
58825 + if (elf_phdata[i].p_type == PT_PAX_FLAGS) {
58826 + if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) ||
58827 + ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) ||
58828 + ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) ||
58829 + ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) ||
58830 + ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP)))
58831 + return PAX_PARSE_FLAGS_FALLBACK;
58832 +
58833 +#ifdef CONFIG_PAX_SOFTMODE
58834 + if (pax_softmode)
58835 + return pax_parse_pt_pax_softmode(&elf_phdata[i]);
58836 + else
58837 +#endif
58838 +
58839 + return pax_parse_pt_pax_hardmode(&elf_phdata[i]);
58840 + break;
58841 + }
58842 +#endif
58843 +
58844 + return PAX_PARSE_FLAGS_FALLBACK;
58845 +}
58846 +
58847 +static unsigned long pax_parse_xattr_pax(struct file * const file)
58848 +{
58849 +
58850 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
58851 + ssize_t xattr_size, i;
58852 + unsigned char xattr_value[sizeof("pemrs") - 1];
58853 + unsigned long pax_flags_hardmode = 0UL, pax_flags_softmode = 0UL;
58854 +
58855 + xattr_size = pax_getxattr(file->f_path.dentry, xattr_value, sizeof xattr_value);
58856 + if (xattr_size < 0 || xattr_size > sizeof xattr_value)
58857 + return PAX_PARSE_FLAGS_FALLBACK;
58858 +
58859 + for (i = 0; i < xattr_size; i++)
58860 + switch (xattr_value[i]) {
58861 + default:
58862 + return PAX_PARSE_FLAGS_FALLBACK;
58863 +
58864 +#define parse_flag(option1, option2, flag) \
58865 + case option1: \
58866 + if (pax_flags_hardmode & MF_PAX_##flag) \
58867 + return PAX_PARSE_FLAGS_FALLBACK;\
58868 + pax_flags_hardmode |= MF_PAX_##flag; \
58869 + break; \
58870 + case option2: \
58871 + if (pax_flags_softmode & MF_PAX_##flag) \
58872 + return PAX_PARSE_FLAGS_FALLBACK;\
58873 + pax_flags_softmode |= MF_PAX_##flag; \
58874 + break;
58875 +
58876 + parse_flag('p', 'P', PAGEEXEC);
58877 + parse_flag('e', 'E', EMUTRAMP);
58878 + parse_flag('m', 'M', MPROTECT);
58879 + parse_flag('r', 'R', RANDMMAP);
58880 + parse_flag('s', 'S', SEGMEXEC);
58881 +
58882 +#undef parse_flag
58883 + }
58884 +
58885 + if (pax_flags_hardmode & pax_flags_softmode)
58886 + return PAX_PARSE_FLAGS_FALLBACK;
58887 +
58888 +#ifdef CONFIG_PAX_SOFTMODE
58889 + if (pax_softmode)
58890 + return pax_parse_xattr_pax_softmode(pax_flags_softmode);
58891 + else
58892 +#endif
58893 +
58894 + return pax_parse_xattr_pax_hardmode(pax_flags_hardmode);
58895 +#else
58896 + return PAX_PARSE_FLAGS_FALLBACK;
58897 +#endif
58898 +
58899 +}
58900 +
58901 +static long pax_parse_pax_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata, struct file * const file)
58902 +{
58903 + unsigned long pax_flags, ei_pax_flags, pt_pax_flags, xattr_pax_flags;
58904 +
58905 + pax_flags = pax_parse_defaults();
58906 + ei_pax_flags = pax_parse_ei_pax(elf_ex);
58907 + pt_pax_flags = pax_parse_pt_pax(elf_ex, elf_phdata);
58908 + xattr_pax_flags = pax_parse_xattr_pax(file);
58909 +
58910 + if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK &&
58911 + xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK &&
58912 + pt_pax_flags != xattr_pax_flags)
58913 + return -EINVAL;
58914 + if (xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK)
58915 + pax_flags = xattr_pax_flags;
58916 + else if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK)
58917 + pax_flags = pt_pax_flags;
58918 + else if (ei_pax_flags != PAX_PARSE_FLAGS_FALLBACK)
58919 + pax_flags = ei_pax_flags;
58920 +
58921 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC)
58922 + if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
58923 + if ((__supported_pte_mask & _PAGE_NX))
58924 + pax_flags &= ~MF_PAX_SEGMEXEC;
58925 + else
58926 + pax_flags &= ~MF_PAX_PAGEEXEC;
58927 + }
58928 +#endif
58929 +
58930 + if (0 > pax_check_flags(&pax_flags))
58931 + return -EINVAL;
58932 +
58933 + current->mm->pax_flags = pax_flags;
58934 + return 0;
58935 +}
58936 +#endif
58937 +
58938 /*
58939 * These are the functions used to load ELF style executables and shared
58940 * libraries. There is no binary dependent code anywhere else.
58941 @@ -556,6 +917,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top)
58942 {
58943 unsigned int random_variable = 0;
58944
58945 +#ifdef CONFIG_PAX_RANDUSTACK
58946 + if (current->mm->pax_flags & MF_PAX_RANDMMAP)
58947 + return stack_top - current->mm->delta_stack;
58948 +#endif
58949 +
58950 if ((current->flags & PF_RANDOMIZE) &&
58951 !(current->personality & ADDR_NO_RANDOMIZE)) {
58952 random_variable = get_random_int() & STACK_RND_MASK;
58953 @@ -574,7 +940,7 @@ static int load_elf_binary(struct linux_binprm *bprm)
58954 unsigned long load_addr = 0, load_bias = 0;
58955 int load_addr_set = 0;
58956 char * elf_interpreter = NULL;
58957 - unsigned long error;
58958 + unsigned long error = 0;
58959 struct elf_phdr *elf_ppnt, *elf_phdata;
58960 unsigned long elf_bss, elf_brk;
58961 int retval, i;
58962 @@ -589,6 +955,7 @@ static int load_elf_binary(struct linux_binprm *bprm)
58963 struct elfhdr elf_ex;
58964 struct elfhdr interp_elf_ex;
58965 } *loc;
58966 + unsigned long pax_task_size;
58967
58968 loc = kmalloc(sizeof(*loc), GFP_KERNEL);
58969 if (!loc) {
58970 @@ -726,6 +1093,77 @@ static int load_elf_binary(struct linux_binprm *bprm)
58971 /* Do this immediately, since STACK_TOP as used in setup_arg_pages
58972 may depend on the personality. */
58973 SET_PERSONALITY(loc->elf_ex);
58974 +
58975 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
58976 + current->mm->pax_flags = 0UL;
58977 +#endif
58978 +
58979 +#ifdef CONFIG_PAX_DLRESOLVE
58980 + current->mm->call_dl_resolve = 0UL;
58981 +#endif
58982 +
58983 +#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
58984 + current->mm->call_syscall = 0UL;
58985 +#endif
58986 +
58987 +#ifdef CONFIG_PAX_ASLR
58988 + current->mm->delta_mmap = 0UL;
58989 + current->mm->delta_stack = 0UL;
58990 +#endif
58991 +
58992 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
58993 + if (0 > pax_parse_pax_flags(&loc->elf_ex, elf_phdata, bprm->file)) {
58994 + send_sig(SIGKILL, current, 0);
58995 + goto out_free_dentry;
58996 + }
58997 +#endif
58998 +
58999 +#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
59000 + pax_set_initial_flags(bprm);
59001 +#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
59002 + if (pax_set_initial_flags_func)
59003 + (pax_set_initial_flags_func)(bprm);
59004 +#endif
59005 +
59006 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
59007 + if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) {
59008 + current->mm->context.user_cs_limit = PAGE_SIZE;
59009 + current->mm->def_flags |= VM_PAGEEXEC | VM_NOHUGEPAGE;
59010 + }
59011 +#endif
59012 +
59013 +#ifdef CONFIG_PAX_SEGMEXEC
59014 + if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
59015 + current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE;
59016 + current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE;
59017 + pax_task_size = SEGMEXEC_TASK_SIZE;
59018 + current->mm->def_flags |= VM_NOHUGEPAGE;
59019 + } else
59020 +#endif
59021 +
59022 + pax_task_size = TASK_SIZE;
59023 +
59024 +#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC)
59025 + if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
59026 + set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu());
59027 + put_cpu();
59028 + }
59029 +#endif
59030 +
59031 +#ifdef CONFIG_PAX_ASLR
59032 + if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
59033 + current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT;
59034 + current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT;
59035 + }
59036 +#endif
59037 +
59038 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
59039 + if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
59040 + executable_stack = EXSTACK_DISABLE_X;
59041 + current->personality &= ~READ_IMPLIES_EXEC;
59042 + } else
59043 +#endif
59044 +
59045 if (elf_read_implies_exec(loc->elf_ex, executable_stack))
59046 current->personality |= READ_IMPLIES_EXEC;
59047
59048 @@ -811,6 +1249,20 @@ static int load_elf_binary(struct linux_binprm *bprm)
59049 #else
59050 load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
59051 #endif
59052 +
59053 +#ifdef CONFIG_PAX_RANDMMAP
59054 + /* PaX: randomize base address at the default exe base if requested */
59055 + if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) {
59056 +#ifdef CONFIG_SPARC64
59057 + load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1);
59058 +#else
59059 + load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT;
59060 +#endif
59061 + load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias);
59062 + elf_flags |= MAP_FIXED;
59063 + }
59064 +#endif
59065 +
59066 }
59067
59068 error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
59069 @@ -842,9 +1294,9 @@ static int load_elf_binary(struct linux_binprm *bprm)
59070 * allowed task size. Note that p_filesz must always be
59071 * <= p_memsz so it is only necessary to check p_memsz.
59072 */
59073 - if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
59074 - elf_ppnt->p_memsz > TASK_SIZE ||
59075 - TASK_SIZE - elf_ppnt->p_memsz < k) {
59076 + if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
59077 + elf_ppnt->p_memsz > pax_task_size ||
59078 + pax_task_size - elf_ppnt->p_memsz < k) {
59079 /* set_brk can never work. Avoid overflows. */
59080 retval = -EINVAL;
59081 goto out_free_dentry;
59082 @@ -880,16 +1332,43 @@ static int load_elf_binary(struct linux_binprm *bprm)
59083 if (retval)
59084 goto out_free_dentry;
59085 if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
59086 - retval = -EFAULT; /* Nobody gets to see this, but.. */
59087 - goto out_free_dentry;
59088 + /*
59089 + * This bss-zeroing can fail if the ELF
59090 + * file specifies odd protections. So
59091 + * we don't check the return value
59092 + */
59093 }
59094
59095 +#ifdef CONFIG_PAX_RANDMMAP
59096 + if (current->mm->pax_flags & MF_PAX_RANDMMAP) {
59097 + unsigned long start, size, flags;
59098 + vm_flags_t vm_flags;
59099 +
59100 + start = ELF_PAGEALIGN(elf_brk);
59101 + size = PAGE_SIZE + ((pax_get_random_long() & ((1UL << 22) - 1UL)) << 4);
59102 + flags = MAP_FIXED | MAP_PRIVATE;
59103 + vm_flags = VM_DONTEXPAND | VM_DONTDUMP;
59104 +
59105 + down_write(&current->mm->mmap_sem);
59106 + start = get_unmapped_area(NULL, start, PAGE_ALIGN(size), 0, flags);
59107 + retval = -ENOMEM;
59108 + if (!IS_ERR_VALUE(start) && !find_vma_intersection(current->mm, start, start + size + PAGE_SIZE)) {
59109 +// if (current->personality & ADDR_NO_RANDOMIZE)
59110 +// vm_flags |= VM_READ | VM_MAYREAD;
59111 + start = mmap_region(NULL, start, PAGE_ALIGN(size), vm_flags, 0);
59112 + retval = IS_ERR_VALUE(start) ? start : 0;
59113 + }
59114 + up_write(&current->mm->mmap_sem);
59115 + if (retval == 0)
59116 + retval = set_brk(start + size, start + size + PAGE_SIZE);
59117 + if (retval < 0)
59118 + goto out_free_dentry;
59119 + }
59120 +#endif
59121 +
59122 if (elf_interpreter) {
59123 - unsigned long interp_map_addr = 0;
59124 -
59125 elf_entry = load_elf_interp(&loc->interp_elf_ex,
59126 interpreter,
59127 - &interp_map_addr,
59128 load_bias);
59129 if (!IS_ERR((void *)elf_entry)) {
59130 /*
59131 @@ -1115,7 +1594,7 @@ static bool always_dump_vma(struct vm_area_struct *vma)
59132 * Decide what to dump of a segment, part, all or none.
59133 */
59134 static unsigned long vma_dump_size(struct vm_area_struct *vma,
59135 - unsigned long mm_flags)
59136 + unsigned long mm_flags, long signr)
59137 {
59138 #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type))
59139
59140 @@ -1153,7 +1632,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
59141 if (vma->vm_file == NULL)
59142 return 0;
59143
59144 - if (FILTER(MAPPED_PRIVATE))
59145 + if (signr == SIGKILL || FILTER(MAPPED_PRIVATE))
59146 goto whole;
59147
59148 /*
59149 @@ -1360,9 +1839,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
59150 {
59151 elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv;
59152 int i = 0;
59153 - do
59154 + do {
59155 i += 2;
59156 - while (auxv[i - 2] != AT_NULL);
59157 + } while (auxv[i - 2] != AT_NULL);
59158 fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
59159 }
59160
59161 @@ -1371,7 +1850,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
59162 {
59163 mm_segment_t old_fs = get_fs();
59164 set_fs(KERNEL_DS);
59165 - copy_siginfo_to_user((user_siginfo_t __user *) csigdata, siginfo);
59166 + copy_siginfo_to_user((user_siginfo_t __force_user *) csigdata, siginfo);
59167 set_fs(old_fs);
59168 fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata);
59169 }
59170 @@ -1995,14 +2474,14 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
59171 }
59172
59173 static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma,
59174 - unsigned long mm_flags)
59175 + struct coredump_params *cprm)
59176 {
59177 struct vm_area_struct *vma;
59178 size_t size = 0;
59179
59180 for (vma = first_vma(current, gate_vma); vma != NULL;
59181 vma = next_vma(vma, gate_vma))
59182 - size += vma_dump_size(vma, mm_flags);
59183 + size += vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo);
59184 return size;
59185 }
59186
59187 @@ -2093,7 +2572,7 @@ static int elf_core_dump(struct coredump_params *cprm)
59188
59189 dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
59190
59191 - offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags);
59192 + offset += elf_core_vma_data_size(gate_vma, cprm);
59193 offset += elf_core_extra_data_size();
59194 e_shoff = offset;
59195
59196 @@ -2121,7 +2600,7 @@ static int elf_core_dump(struct coredump_params *cprm)
59197 phdr.p_offset = offset;
59198 phdr.p_vaddr = vma->vm_start;
59199 phdr.p_paddr = 0;
59200 - phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags);
59201 + phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo);
59202 phdr.p_memsz = vma->vm_end - vma->vm_start;
59203 offset += phdr.p_filesz;
59204 phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
59205 @@ -2154,7 +2633,7 @@ static int elf_core_dump(struct coredump_params *cprm)
59206 unsigned long addr;
59207 unsigned long end;
59208
59209 - end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags);
59210 + end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo);
59211
59212 for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) {
59213 struct page *page;
59214 @@ -2195,6 +2674,167 @@ out:
59215
59216 #endif /* CONFIG_ELF_CORE */
59217
59218 +#ifdef CONFIG_PAX_MPROTECT
59219 +/* PaX: non-PIC ELF libraries need relocations on their executable segments
59220 + * therefore we'll grant them VM_MAYWRITE once during their life. Similarly
59221 + * we'll remove VM_MAYWRITE for good on RELRO segments.
59222 + *
59223 + * The checks favour ld-linux.so behaviour which operates on a per ELF segment
59224 + * basis because we want to allow the common case and not the special ones.
59225 + */
59226 +static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags)
59227 +{
59228 + struct elfhdr elf_h;
59229 + struct elf_phdr elf_p;
59230 + unsigned long i;
59231 + unsigned long oldflags;
59232 + bool is_textrel_rw, is_textrel_rx, is_relro;
59233 +
59234 + if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT) || !vma->vm_file)
59235 + return;
59236 +
59237 + oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ);
59238 + newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ;
59239 +
59240 +#ifdef CONFIG_PAX_ELFRELOCS
59241 + /* possible TEXTREL */
59242 + is_textrel_rw = !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ);
59243 + is_textrel_rx = vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ);
59244 +#else
59245 + is_textrel_rw = false;
59246 + is_textrel_rx = false;
59247 +#endif
59248 +
59249 + /* possible RELRO */
59250 + is_relro = vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ);
59251 +
59252 + if (!is_textrel_rw && !is_textrel_rx && !is_relro)
59253 + return;
59254 +
59255 + if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) ||
59256 + memcmp(elf_h.e_ident, ELFMAG, SELFMAG) ||
59257 +
59258 +#ifdef CONFIG_PAX_ETEXECRELOCS
59259 + ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
59260 +#else
59261 + ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) ||
59262 +#endif
59263 +
59264 + (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) ||
59265 + !elf_check_arch(&elf_h) ||
59266 + elf_h.e_phentsize != sizeof(struct elf_phdr) ||
59267 + elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr))
59268 + return;
59269 +
59270 + for (i = 0UL; i < elf_h.e_phnum; i++) {
59271 + if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p)))
59272 + return;
59273 + switch (elf_p.p_type) {
59274 + case PT_DYNAMIC:
59275 + if (!is_textrel_rw && !is_textrel_rx)
59276 + continue;
59277 + i = 0UL;
59278 + while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) {
59279 + elf_dyn dyn;
59280 +
59281 + if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn)))
59282 + break;
59283 + if (dyn.d_tag == DT_NULL)
59284 + break;
59285 + if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) {
59286 + gr_log_textrel(vma);
59287 + if (is_textrel_rw)
59288 + vma->vm_flags |= VM_MAYWRITE;
59289 + else
59290 + /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */
59291 + vma->vm_flags &= ~VM_MAYWRITE;
59292 + break;
59293 + }
59294 + i++;
59295 + }
59296 + is_textrel_rw = false;
59297 + is_textrel_rx = false;
59298 + continue;
59299 +
59300 + case PT_GNU_RELRO:
59301 + if (!is_relro)
59302 + continue;
59303 + if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start)
59304 + vma->vm_flags &= ~VM_MAYWRITE;
59305 + is_relro = false;
59306 + continue;
59307 +
59308 +#ifdef CONFIG_PAX_PT_PAX_FLAGS
59309 + case PT_PAX_FLAGS: {
59310 + const char *msg_mprotect = "", *msg_emutramp = "";
59311 + char *buffer_lib, *buffer_exe;
59312 +
59313 + if (elf_p.p_flags & PF_NOMPROTECT)
59314 + msg_mprotect = "MPROTECT disabled";
59315 +
59316 +#ifdef CONFIG_PAX_EMUTRAMP
59317 + if (!(vma->vm_mm->pax_flags & MF_PAX_EMUTRAMP) && !(elf_p.p_flags & PF_NOEMUTRAMP))
59318 + msg_emutramp = "EMUTRAMP enabled";
59319 +#endif
59320 +
59321 + if (!msg_mprotect[0] && !msg_emutramp[0])
59322 + continue;
59323 +
59324 + if (!printk_ratelimit())
59325 + continue;
59326 +
59327 + buffer_lib = (char *)__get_free_page(GFP_KERNEL);
59328 + buffer_exe = (char *)__get_free_page(GFP_KERNEL);
59329 + if (buffer_lib && buffer_exe) {
59330 + char *path_lib, *path_exe;
59331 +
59332 + path_lib = pax_get_path(&vma->vm_file->f_path, buffer_lib, PAGE_SIZE);
59333 + path_exe = pax_get_path(&vma->vm_mm->exe_file->f_path, buffer_exe, PAGE_SIZE);
59334 +
59335 + pr_info("PAX: %s wants %s%s%s on %s\n", path_lib, msg_mprotect,
59336 + (msg_mprotect[0] && msg_emutramp[0] ? " and " : ""), msg_emutramp, path_exe);
59337 +
59338 + }
59339 + free_page((unsigned long)buffer_exe);
59340 + free_page((unsigned long)buffer_lib);
59341 + continue;
59342 + }
59343 +#endif
59344 +
59345 + }
59346 + }
59347 +}
59348 +#endif
59349 +
59350 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
59351 +
59352 +extern int grsec_enable_log_rwxmaps;
59353 +
59354 +static void elf_handle_mmap(struct file *file)
59355 +{
59356 + struct elfhdr elf_h;
59357 + struct elf_phdr elf_p;
59358 + unsigned long i;
59359 +
59360 + if (!grsec_enable_log_rwxmaps)
59361 + return;
59362 +
59363 + if (sizeof(elf_h) != kernel_read(file, 0UL, (char *)&elf_h, sizeof(elf_h)) ||
59364 + memcmp(elf_h.e_ident, ELFMAG, SELFMAG) ||
59365 + (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC) || !elf_check_arch(&elf_h) ||
59366 + elf_h.e_phentsize != sizeof(struct elf_phdr) ||
59367 + elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr))
59368 + return;
59369 +
59370 + for (i = 0UL; i < elf_h.e_phnum; i++) {
59371 + if (sizeof(elf_p) != kernel_read(file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p)))
59372 + return;
59373 + if (elf_p.p_type == PT_GNU_STACK && (elf_p.p_flags & PF_X))
59374 + gr_log_ptgnustack(file);
59375 + }
59376 +}
59377 +#endif
59378 +
59379 static int __init init_elf_binfmt(void)
59380 {
59381 register_binfmt(&elf_format);
59382 diff --git a/fs/block_dev.c b/fs/block_dev.c
59383 index 1d9c9f3..2905786 100644
59384 --- a/fs/block_dev.c
59385 +++ b/fs/block_dev.c
59386 @@ -697,7 +697,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
59387 else if (bdev->bd_contains == bdev)
59388 return true; /* is a whole device which isn't held */
59389
59390 - else if (whole->bd_holder == bd_may_claim)
59391 + else if (whole->bd_holder == (void *)bd_may_claim)
59392 return true; /* is a partition of a device that is being partitioned */
59393 else if (whole->bd_holder != NULL)
59394 return false; /* is a partition of a held device */
59395 diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
59396 index 150822e..75bb326 100644
59397 --- a/fs/btrfs/ctree.c
59398 +++ b/fs/btrfs/ctree.c
59399 @@ -1173,9 +1173,12 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
59400 free_extent_buffer(buf);
59401 add_root_to_dirty_list(root);
59402 } else {
59403 - if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID)
59404 - parent_start = parent->start;
59405 - else
59406 + if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
59407 + if (parent)
59408 + parent_start = parent->start;
59409 + else
59410 + parent_start = 0;
59411 + } else
59412 parent_start = 0;
59413
59414 WARN_ON(trans->transid != btrfs_header_generation(parent));
59415 diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
59416 index de4e70f..b41dc45 100644
59417 --- a/fs/btrfs/delayed-inode.c
59418 +++ b/fs/btrfs/delayed-inode.c
59419 @@ -462,7 +462,7 @@ static int __btrfs_add_delayed_deletion_item(struct btrfs_delayed_node *node,
59420
59421 static void finish_one_item(struct btrfs_delayed_root *delayed_root)
59422 {
59423 - int seq = atomic_inc_return(&delayed_root->items_seq);
59424 + int seq = atomic_inc_return_unchecked(&delayed_root->items_seq);
59425 if ((atomic_dec_return(&delayed_root->items) <
59426 BTRFS_DELAYED_BACKGROUND || seq % BTRFS_DELAYED_BATCH == 0) &&
59427 waitqueue_active(&delayed_root->wait))
59428 @@ -1412,7 +1412,7 @@ void btrfs_assert_delayed_root_empty(struct btrfs_root *root)
59429
59430 static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq)
59431 {
59432 - int val = atomic_read(&delayed_root->items_seq);
59433 + int val = atomic_read_unchecked(&delayed_root->items_seq);
59434
59435 if (val < seq || val >= seq + BTRFS_DELAYED_BATCH)
59436 return 1;
59437 @@ -1436,7 +1436,7 @@ void btrfs_balance_delayed_items(struct btrfs_root *root)
59438 int seq;
59439 int ret;
59440
59441 - seq = atomic_read(&delayed_root->items_seq);
59442 + seq = atomic_read_unchecked(&delayed_root->items_seq);
59443
59444 ret = btrfs_wq_run_delayed_node(delayed_root, root, 0);
59445 if (ret)
59446 diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
59447 index f70119f..ab5894d 100644
59448 --- a/fs/btrfs/delayed-inode.h
59449 +++ b/fs/btrfs/delayed-inode.h
59450 @@ -43,7 +43,7 @@ struct btrfs_delayed_root {
59451 */
59452 struct list_head prepare_list;
59453 atomic_t items; /* for delayed items */
59454 - atomic_t items_seq; /* for delayed items */
59455 + atomic_unchecked_t items_seq; /* for delayed items */
59456 int nodes; /* for delayed nodes */
59457 wait_queue_head_t wait;
59458 };
59459 @@ -90,7 +90,7 @@ static inline void btrfs_init_delayed_root(
59460 struct btrfs_delayed_root *delayed_root)
59461 {
59462 atomic_set(&delayed_root->items, 0);
59463 - atomic_set(&delayed_root->items_seq, 0);
59464 + atomic_set_unchecked(&delayed_root->items_seq, 0);
59465 delayed_root->nodes = 0;
59466 spin_lock_init(&delayed_root->lock);
59467 init_waitqueue_head(&delayed_root->wait);
59468 diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
59469 index 4399f0c..a34d8b4 100644
59470 --- a/fs/btrfs/ioctl.c
59471 +++ b/fs/btrfs/ioctl.c
59472 @@ -3953,9 +3953,12 @@ static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
59473 for (i = 0; i < num_types; i++) {
59474 struct btrfs_space_info *tmp;
59475
59476 + /* Don't copy in more than we allocated */
59477 if (!slot_count)
59478 break;
59479
59480 + slot_count--;
59481 +
59482 info = NULL;
59483 rcu_read_lock();
59484 list_for_each_entry_rcu(tmp, &root->fs_info->space_info,
59485 @@ -3977,10 +3980,7 @@ static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
59486 memcpy(dest, &space, sizeof(space));
59487 dest++;
59488 space_args.total_spaces++;
59489 - slot_count--;
59490 }
59491 - if (!slot_count)
59492 - break;
59493 }
59494 up_read(&info->groups_sem);
59495 }
59496 diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
59497 index cde9c03..ad4d4db 100644
59498 --- a/fs/btrfs/super.c
59499 +++ b/fs/btrfs/super.c
59500 @@ -271,7 +271,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
59501 function, line, errstr);
59502 return;
59503 }
59504 - ACCESS_ONCE(trans->transaction->aborted) = errno;
59505 + ACCESS_ONCE_RW(trans->transaction->aborted) = errno;
59506 /* Wake up anybody who may be waiting on this transaction */
59507 wake_up(&root->fs_info->transaction_wait);
59508 wake_up(&root->fs_info->transaction_blocked_wait);
59509 diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
59510 index b2e7bb4..3719201 100644
59511 --- a/fs/btrfs/sysfs.c
59512 +++ b/fs/btrfs/sysfs.c
59513 @@ -480,7 +480,7 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add)
59514 for (set = 0; set < FEAT_MAX; set++) {
59515 int i;
59516 struct attribute *attrs[2];
59517 - struct attribute_group agroup = {
59518 + attribute_group_no_const agroup = {
59519 .name = "features",
59520 .attrs = attrs,
59521 };
59522 diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
59523 index 2299bfd..4098e72 100644
59524 --- a/fs/btrfs/tests/free-space-tests.c
59525 +++ b/fs/btrfs/tests/free-space-tests.c
59526 @@ -463,7 +463,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
59527 * extent entry.
59528 */
59529 use_bitmap_op = cache->free_space_ctl->op->use_bitmap;
59530 - cache->free_space_ctl->op->use_bitmap = test_use_bitmap;
59531 + pax_open_kernel();
59532 + *(void **)&cache->free_space_ctl->op->use_bitmap = test_use_bitmap;
59533 + pax_close_kernel();
59534
59535 /*
59536 * Extent entry covering free space range [128Mb - 256Kb, 128Mb - 128Kb[
59537 @@ -870,7 +872,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
59538 if (ret)
59539 return ret;
59540
59541 - cache->free_space_ctl->op->use_bitmap = use_bitmap_op;
59542 + pax_open_kernel();
59543 + *(void **)&cache->free_space_ctl->op->use_bitmap = use_bitmap_op;
59544 + pax_close_kernel();
59545 __btrfs_remove_free_space_cache(cache->free_space_ctl);
59546
59547 return 0;
59548 diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h
59549 index 154990c..d0cf699 100644
59550 --- a/fs/btrfs/tree-log.h
59551 +++ b/fs/btrfs/tree-log.h
59552 @@ -43,7 +43,7 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx)
59553 static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
59554 struct btrfs_trans_handle *trans)
59555 {
59556 - ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid;
59557 + ACCESS_ONCE_RW(fs_info->last_trans_log_full_commit) = trans->transid;
59558 }
59559
59560 static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info,
59561 diff --git a/fs/buffer.c b/fs/buffer.c
59562 index 20805db..2e8fc69 100644
59563 --- a/fs/buffer.c
59564 +++ b/fs/buffer.c
59565 @@ -3417,7 +3417,7 @@ void __init buffer_init(void)
59566 bh_cachep = kmem_cache_create("buffer_head",
59567 sizeof(struct buffer_head), 0,
59568 (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
59569 - SLAB_MEM_SPREAD),
59570 + SLAB_MEM_SPREAD|SLAB_NO_SANITIZE),
59571 NULL);
59572
59573 /*
59574 diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
59575 index fbb08e9..0fda764 100644
59576 --- a/fs/cachefiles/bind.c
59577 +++ b/fs/cachefiles/bind.c
59578 @@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args)
59579 args);
59580
59581 /* start by checking things over */
59582 - ASSERT(cache->fstop_percent >= 0 &&
59583 - cache->fstop_percent < cache->fcull_percent &&
59584 + ASSERT(cache->fstop_percent < cache->fcull_percent &&
59585 cache->fcull_percent < cache->frun_percent &&
59586 cache->frun_percent < 100);
59587
59588 - ASSERT(cache->bstop_percent >= 0 &&
59589 - cache->bstop_percent < cache->bcull_percent &&
59590 + ASSERT(cache->bstop_percent < cache->bcull_percent &&
59591 cache->bcull_percent < cache->brun_percent &&
59592 cache->brun_percent < 100);
59593
59594 diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
59595 index ce1b115..4a6852c 100644
59596 --- a/fs/cachefiles/daemon.c
59597 +++ b/fs/cachefiles/daemon.c
59598 @@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(struct file *file, char __user *_buffer,
59599 if (n > buflen)
59600 return -EMSGSIZE;
59601
59602 - if (copy_to_user(_buffer, buffer, n) != 0)
59603 + if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0)
59604 return -EFAULT;
59605
59606 return n;
59607 @@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(struct file *file,
59608 if (test_bit(CACHEFILES_DEAD, &cache->flags))
59609 return -EIO;
59610
59611 - if (datalen < 0 || datalen > PAGE_SIZE - 1)
59612 + if (datalen > PAGE_SIZE - 1)
59613 return -EOPNOTSUPP;
59614
59615 /* drag the command string into the kernel so we can parse it */
59616 @@ -385,7 +385,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
59617 if (args[0] != '%' || args[1] != '\0')
59618 return -EINVAL;
59619
59620 - if (fstop < 0 || fstop >= cache->fcull_percent)
59621 + if (fstop >= cache->fcull_percent)
59622 return cachefiles_daemon_range_error(cache, args);
59623
59624 cache->fstop_percent = fstop;
59625 @@ -457,7 +457,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
59626 if (args[0] != '%' || args[1] != '\0')
59627 return -EINVAL;
59628
59629 - if (bstop < 0 || bstop >= cache->bcull_percent)
59630 + if (bstop >= cache->bcull_percent)
59631 return cachefiles_daemon_range_error(cache, args);
59632
59633 cache->bstop_percent = bstop;
59634 diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
59635 index 8c52472..c4e3a69 100644
59636 --- a/fs/cachefiles/internal.h
59637 +++ b/fs/cachefiles/internal.h
59638 @@ -66,7 +66,7 @@ struct cachefiles_cache {
59639 wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */
59640 struct rb_root active_nodes; /* active nodes (can't be culled) */
59641 rwlock_t active_lock; /* lock for active_nodes */
59642 - atomic_t gravecounter; /* graveyard uniquifier */
59643 + atomic_unchecked_t gravecounter; /* graveyard uniquifier */
59644 unsigned frun_percent; /* when to stop culling (% files) */
59645 unsigned fcull_percent; /* when to start culling (% files) */
59646 unsigned fstop_percent; /* when to stop allocating (% files) */
59647 @@ -178,19 +178,19 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache,
59648 * proc.c
59649 */
59650 #ifdef CONFIG_CACHEFILES_HISTOGRAM
59651 -extern atomic_t cachefiles_lookup_histogram[HZ];
59652 -extern atomic_t cachefiles_mkdir_histogram[HZ];
59653 -extern atomic_t cachefiles_create_histogram[HZ];
59654 +extern atomic_unchecked_t cachefiles_lookup_histogram[HZ];
59655 +extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
59656 +extern atomic_unchecked_t cachefiles_create_histogram[HZ];
59657
59658 extern int __init cachefiles_proc_init(void);
59659 extern void cachefiles_proc_cleanup(void);
59660 static inline
59661 -void cachefiles_hist(atomic_t histogram[], unsigned long start_jif)
59662 +void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif)
59663 {
59664 unsigned long jif = jiffies - start_jif;
59665 if (jif >= HZ)
59666 jif = HZ - 1;
59667 - atomic_inc(&histogram[jif]);
59668 + atomic_inc_unchecked(&histogram[jif]);
59669 }
59670
59671 #else
59672 diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
59673 index e12f189..ed17244 100644
59674 --- a/fs/cachefiles/namei.c
59675 +++ b/fs/cachefiles/namei.c
59676 @@ -312,7 +312,7 @@ try_again:
59677 /* first step is to make up a grave dentry in the graveyard */
59678 sprintf(nbuffer, "%08x%08x",
59679 (uint32_t) get_seconds(),
59680 - (uint32_t) atomic_inc_return(&cache->gravecounter));
59681 + (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter));
59682
59683 /* do the multiway lock magic */
59684 trap = lock_rename(cache->graveyard, dir);
59685 diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c
59686 index eccd339..4c1d995 100644
59687 --- a/fs/cachefiles/proc.c
59688 +++ b/fs/cachefiles/proc.c
59689 @@ -14,9 +14,9 @@
59690 #include <linux/seq_file.h>
59691 #include "internal.h"
59692
59693 -atomic_t cachefiles_lookup_histogram[HZ];
59694 -atomic_t cachefiles_mkdir_histogram[HZ];
59695 -atomic_t cachefiles_create_histogram[HZ];
59696 +atomic_unchecked_t cachefiles_lookup_histogram[HZ];
59697 +atomic_unchecked_t cachefiles_mkdir_histogram[HZ];
59698 +atomic_unchecked_t cachefiles_create_histogram[HZ];
59699
59700 /*
59701 * display the latency histogram
59702 @@ -35,9 +35,9 @@ static int cachefiles_histogram_show(struct seq_file *m, void *v)
59703 return 0;
59704 default:
59705 index = (unsigned long) v - 3;
59706 - x = atomic_read(&cachefiles_lookup_histogram[index]);
59707 - y = atomic_read(&cachefiles_mkdir_histogram[index]);
59708 - z = atomic_read(&cachefiles_create_histogram[index]);
59709 + x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]);
59710 + y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]);
59711 + z = atomic_read_unchecked(&cachefiles_create_histogram[index]);
59712 if (x == 0 && y == 0 && z == 0)
59713 return 0;
59714
59715 diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
59716 index 695e788..f4a9d4d 100644
59717 --- a/fs/ceph/dir.c
59718 +++ b/fs/ceph/dir.c
59719 @@ -129,6 +129,8 @@ static int __dcache_readdir(struct file *file, struct dir_context *ctx,
59720 struct dentry *dentry, *last;
59721 struct ceph_dentry_info *di;
59722 int err = 0;
59723 + char d_name[DNAME_INLINE_LEN];
59724 + const unsigned char *name;
59725
59726 /* claim ref on last dentry we returned */
59727 last = fi->dentry;
59728 @@ -192,7 +194,12 @@ more:
59729
59730 dout(" %llu (%llu) dentry %p %.*s %p\n", di->offset, ctx->pos,
59731 dentry, dentry->d_name.len, dentry->d_name.name, dentry->d_inode);
59732 - if (!dir_emit(ctx, dentry->d_name.name,
59733 + name = dentry->d_name.name;
59734 + if (name == dentry->d_iname) {
59735 + memcpy(d_name, name, dentry->d_name.len);
59736 + name = d_name;
59737 + }
59738 + if (!dir_emit(ctx, name,
59739 dentry->d_name.len,
59740 ceph_translate_ino(dentry->d_sb, dentry->d_inode->i_ino),
59741 dentry->d_inode->i_mode >> 12)) {
59742 @@ -250,7 +257,7 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx)
59743 struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
59744 struct ceph_mds_client *mdsc = fsc->mdsc;
59745 unsigned frag = fpos_frag(ctx->pos);
59746 - int off = fpos_off(ctx->pos);
59747 + unsigned int off = fpos_off(ctx->pos);
59748 int err;
59749 u32 ftype;
59750 struct ceph_mds_reply_info_parsed *rinfo;
59751 diff --git a/fs/ceph/super.c b/fs/ceph/super.c
59752 index f6e1237..796ffd1 100644
59753 --- a/fs/ceph/super.c
59754 +++ b/fs/ceph/super.c
59755 @@ -895,7 +895,7 @@ static int ceph_compare_super(struct super_block *sb, void *data)
59756 /*
59757 * construct our own bdi so we can control readahead, etc.
59758 */
59759 -static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0);
59760 +static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0);
59761
59762 static int ceph_register_bdi(struct super_block *sb,
59763 struct ceph_fs_client *fsc)
59764 @@ -912,7 +912,7 @@ static int ceph_register_bdi(struct super_block *sb,
59765 default_backing_dev_info.ra_pages;
59766
59767 err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld",
59768 - atomic_long_inc_return(&bdi_seq));
59769 + atomic_long_inc_return_unchecked(&bdi_seq));
59770 if (!err)
59771 sb->s_bdi = &fsc->backing_dev_info;
59772 return err;
59773 diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
59774 index 44ec726..bcb06a3 100644
59775 --- a/fs/cifs/cifs_debug.c
59776 +++ b/fs/cifs/cifs_debug.c
59777 @@ -286,8 +286,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
59778
59779 if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
59780 #ifdef CONFIG_CIFS_STATS2
59781 - atomic_set(&totBufAllocCount, 0);
59782 - atomic_set(&totSmBufAllocCount, 0);
59783 + atomic_set_unchecked(&totBufAllocCount, 0);
59784 + atomic_set_unchecked(&totSmBufAllocCount, 0);
59785 #endif /* CONFIG_CIFS_STATS2 */
59786 spin_lock(&cifs_tcp_ses_lock);
59787 list_for_each(tmp1, &cifs_tcp_ses_list) {
59788 @@ -300,7 +300,7 @@ static ssize_t cifs_stats_proc_write(struct file *file,
59789 tcon = list_entry(tmp3,
59790 struct cifs_tcon,
59791 tcon_list);
59792 - atomic_set(&tcon->num_smbs_sent, 0);
59793 + atomic_set_unchecked(&tcon->num_smbs_sent, 0);
59794 if (server->ops->clear_stats)
59795 server->ops->clear_stats(tcon);
59796 }
59797 @@ -332,8 +332,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
59798 smBufAllocCount.counter, cifs_min_small);
59799 #ifdef CONFIG_CIFS_STATS2
59800 seq_printf(m, "Total Large %d Small %d Allocations\n",
59801 - atomic_read(&totBufAllocCount),
59802 - atomic_read(&totSmBufAllocCount));
59803 + atomic_read_unchecked(&totBufAllocCount),
59804 + atomic_read_unchecked(&totSmBufAllocCount));
59805 #endif /* CONFIG_CIFS_STATS2 */
59806
59807 seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
59808 @@ -362,7 +362,7 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
59809 if (tcon->need_reconnect)
59810 seq_puts(m, "\tDISCONNECTED ");
59811 seq_printf(m, "\nSMBs: %d",
59812 - atomic_read(&tcon->num_smbs_sent));
59813 + atomic_read_unchecked(&tcon->num_smbs_sent));
59814 if (server->ops->print_stats)
59815 server->ops->print_stats(m, tcon);
59816 }
59817 diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
59818 index 9d7996e..35ad5cf4 100644
59819 --- a/fs/cifs/cifsfs.c
59820 +++ b/fs/cifs/cifsfs.c
59821 @@ -1093,7 +1093,7 @@ cifs_init_request_bufs(void)
59822 */
59823 cifs_req_cachep = kmem_cache_create("cifs_request",
59824 CIFSMaxBufSize + max_hdr_size, 0,
59825 - SLAB_HWCACHE_ALIGN, NULL);
59826 + SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, NULL);
59827 if (cifs_req_cachep == NULL)
59828 return -ENOMEM;
59829
59830 @@ -1120,7 +1120,7 @@ cifs_init_request_bufs(void)
59831 efficient to alloc 1 per page off the slab compared to 17K (5page)
59832 alloc of large cifs buffers even when page debugging is on */
59833 cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq",
59834 - MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN,
59835 + MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN | SLAB_USERCOPY,
59836 NULL);
59837 if (cifs_sm_req_cachep == NULL) {
59838 mempool_destroy(cifs_req_poolp);
59839 @@ -1205,8 +1205,8 @@ init_cifs(void)
59840 atomic_set(&bufAllocCount, 0);
59841 atomic_set(&smBufAllocCount, 0);
59842 #ifdef CONFIG_CIFS_STATS2
59843 - atomic_set(&totBufAllocCount, 0);
59844 - atomic_set(&totSmBufAllocCount, 0);
59845 + atomic_set_unchecked(&totBufAllocCount, 0);
59846 + atomic_set_unchecked(&totSmBufAllocCount, 0);
59847 #endif /* CONFIG_CIFS_STATS2 */
59848
59849 atomic_set(&midCount, 0);
59850 diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
59851 index 02a33e5..3a28b5a 100644
59852 --- a/fs/cifs/cifsglob.h
59853 +++ b/fs/cifs/cifsglob.h
59854 @@ -823,35 +823,35 @@ struct cifs_tcon {
59855 __u16 Flags; /* optional support bits */
59856 enum statusEnum tidStatus;
59857 #ifdef CONFIG_CIFS_STATS
59858 - atomic_t num_smbs_sent;
59859 + atomic_unchecked_t num_smbs_sent;
59860 union {
59861 struct {
59862 - atomic_t num_writes;
59863 - atomic_t num_reads;
59864 - atomic_t num_flushes;
59865 - atomic_t num_oplock_brks;
59866 - atomic_t num_opens;
59867 - atomic_t num_closes;
59868 - atomic_t num_deletes;
59869 - atomic_t num_mkdirs;
59870 - atomic_t num_posixopens;
59871 - atomic_t num_posixmkdirs;
59872 - atomic_t num_rmdirs;
59873 - atomic_t num_renames;
59874 - atomic_t num_t2renames;
59875 - atomic_t num_ffirst;
59876 - atomic_t num_fnext;
59877 - atomic_t num_fclose;
59878 - atomic_t num_hardlinks;
59879 - atomic_t num_symlinks;
59880 - atomic_t num_locks;
59881 - atomic_t num_acl_get;
59882 - atomic_t num_acl_set;
59883 + atomic_unchecked_t num_writes;
59884 + atomic_unchecked_t num_reads;
59885 + atomic_unchecked_t num_flushes;
59886 + atomic_unchecked_t num_oplock_brks;
59887 + atomic_unchecked_t num_opens;
59888 + atomic_unchecked_t num_closes;
59889 + atomic_unchecked_t num_deletes;
59890 + atomic_unchecked_t num_mkdirs;
59891 + atomic_unchecked_t num_posixopens;
59892 + atomic_unchecked_t num_posixmkdirs;
59893 + atomic_unchecked_t num_rmdirs;
59894 + atomic_unchecked_t num_renames;
59895 + atomic_unchecked_t num_t2renames;
59896 + atomic_unchecked_t num_ffirst;
59897 + atomic_unchecked_t num_fnext;
59898 + atomic_unchecked_t num_fclose;
59899 + atomic_unchecked_t num_hardlinks;
59900 + atomic_unchecked_t num_symlinks;
59901 + atomic_unchecked_t num_locks;
59902 + atomic_unchecked_t num_acl_get;
59903 + atomic_unchecked_t num_acl_set;
59904 } cifs_stats;
59905 #ifdef CONFIG_CIFS_SMB2
59906 struct {
59907 - atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
59908 - atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
59909 + atomic_unchecked_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
59910 + atomic_unchecked_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
59911 } smb2_stats;
59912 #endif /* CONFIG_CIFS_SMB2 */
59913 } stats;
59914 @@ -1192,7 +1192,7 @@ convert_delimiter(char *path, char delim)
59915 }
59916
59917 #ifdef CONFIG_CIFS_STATS
59918 -#define cifs_stats_inc atomic_inc
59919 +#define cifs_stats_inc atomic_inc_unchecked
59920
59921 static inline void cifs_stats_bytes_written(struct cifs_tcon *tcon,
59922 unsigned int bytes)
59923 @@ -1559,8 +1559,8 @@ GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
59924 /* Various Debug counters */
59925 GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */
59926 #ifdef CONFIG_CIFS_STATS2
59927 -GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
59928 -GLOBAL_EXTERN atomic_t totSmBufAllocCount;
59929 +GLOBAL_EXTERN atomic_unchecked_t totBufAllocCount; /* total allocated over all time */
59930 +GLOBAL_EXTERN atomic_unchecked_t totSmBufAllocCount;
59931 #endif
59932 GLOBAL_EXTERN atomic_t smBufAllocCount;
59933 GLOBAL_EXTERN atomic_t midCount;
59934 diff --git a/fs/cifs/file.c b/fs/cifs/file.c
59935 index 3e4d00a..38a122d 100644
59936 --- a/fs/cifs/file.c
59937 +++ b/fs/cifs/file.c
59938 @@ -2056,10 +2056,14 @@ static int cifs_writepages(struct address_space *mapping,
59939 index = mapping->writeback_index; /* Start from prev offset */
59940 end = -1;
59941 } else {
59942 - index = wbc->range_start >> PAGE_CACHE_SHIFT;
59943 - end = wbc->range_end >> PAGE_CACHE_SHIFT;
59944 - if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
59945 + if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) {
59946 range_whole = true;
59947 + index = 0;
59948 + end = ULONG_MAX;
59949 + } else {
59950 + index = wbc->range_start >> PAGE_CACHE_SHIFT;
59951 + end = wbc->range_end >> PAGE_CACHE_SHIFT;
59952 + }
59953 scanned = true;
59954 }
59955 server = cifs_sb_master_tcon(cifs_sb)->ses->server;
59956 diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
59957 index b7415d5..3984ec0 100644
59958 --- a/fs/cifs/misc.c
59959 +++ b/fs/cifs/misc.c
59960 @@ -170,7 +170,7 @@ cifs_buf_get(void)
59961 memset(ret_buf, 0, buf_size + 3);
59962 atomic_inc(&bufAllocCount);
59963 #ifdef CONFIG_CIFS_STATS2
59964 - atomic_inc(&totBufAllocCount);
59965 + atomic_inc_unchecked(&totBufAllocCount);
59966 #endif /* CONFIG_CIFS_STATS2 */
59967 }
59968
59969 @@ -205,7 +205,7 @@ cifs_small_buf_get(void)
59970 /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
59971 atomic_inc(&smBufAllocCount);
59972 #ifdef CONFIG_CIFS_STATS2
59973 - atomic_inc(&totSmBufAllocCount);
59974 + atomic_inc_unchecked(&totSmBufAllocCount);
59975 #endif /* CONFIG_CIFS_STATS2 */
59976
59977 }
59978 diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
59979 index d297903..1cb7516 100644
59980 --- a/fs/cifs/smb1ops.c
59981 +++ b/fs/cifs/smb1ops.c
59982 @@ -622,27 +622,27 @@ static void
59983 cifs_clear_stats(struct cifs_tcon *tcon)
59984 {
59985 #ifdef CONFIG_CIFS_STATS
59986 - atomic_set(&tcon->stats.cifs_stats.num_writes, 0);
59987 - atomic_set(&tcon->stats.cifs_stats.num_reads, 0);
59988 - atomic_set(&tcon->stats.cifs_stats.num_flushes, 0);
59989 - atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0);
59990 - atomic_set(&tcon->stats.cifs_stats.num_opens, 0);
59991 - atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0);
59992 - atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0);
59993 - atomic_set(&tcon->stats.cifs_stats.num_closes, 0);
59994 - atomic_set(&tcon->stats.cifs_stats.num_deletes, 0);
59995 - atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0);
59996 - atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0);
59997 - atomic_set(&tcon->stats.cifs_stats.num_renames, 0);
59998 - atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0);
59999 - atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0);
60000 - atomic_set(&tcon->stats.cifs_stats.num_fnext, 0);
60001 - atomic_set(&tcon->stats.cifs_stats.num_fclose, 0);
60002 - atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0);
60003 - atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0);
60004 - atomic_set(&tcon->stats.cifs_stats.num_locks, 0);
60005 - atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0);
60006 - atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0);
60007 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_writes, 0);
60008 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_reads, 0);
60009 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_flushes, 0);
60010 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_oplock_brks, 0);
60011 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_opens, 0);
60012 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixopens, 0);
60013 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs, 0);
60014 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_closes, 0);
60015 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_deletes, 0);
60016 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_mkdirs, 0);
60017 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_rmdirs, 0);
60018 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_renames, 0);
60019 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_t2renames, 0);
60020 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_ffirst, 0);
60021 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_fnext, 0);
60022 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_fclose, 0);
60023 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_hardlinks, 0);
60024 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_symlinks, 0);
60025 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_locks, 0);
60026 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_get, 0);
60027 + atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_set, 0);
60028 #endif
60029 }
60030
60031 @@ -651,36 +651,36 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
60032 {
60033 #ifdef CONFIG_CIFS_STATS
60034 seq_printf(m, " Oplocks breaks: %d",
60035 - atomic_read(&tcon->stats.cifs_stats.num_oplock_brks));
60036 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_oplock_brks));
60037 seq_printf(m, "\nReads: %d Bytes: %llu",
60038 - atomic_read(&tcon->stats.cifs_stats.num_reads),
60039 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_reads),
60040 (long long)(tcon->bytes_read));
60041 seq_printf(m, "\nWrites: %d Bytes: %llu",
60042 - atomic_read(&tcon->stats.cifs_stats.num_writes),
60043 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_writes),
60044 (long long)(tcon->bytes_written));
60045 seq_printf(m, "\nFlushes: %d",
60046 - atomic_read(&tcon->stats.cifs_stats.num_flushes));
60047 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_flushes));
60048 seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d",
60049 - atomic_read(&tcon->stats.cifs_stats.num_locks),
60050 - atomic_read(&tcon->stats.cifs_stats.num_hardlinks),
60051 - atomic_read(&tcon->stats.cifs_stats.num_symlinks));
60052 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_locks),
60053 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_hardlinks),
60054 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_symlinks));
60055 seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d",
60056 - atomic_read(&tcon->stats.cifs_stats.num_opens),
60057 - atomic_read(&tcon->stats.cifs_stats.num_closes),
60058 - atomic_read(&tcon->stats.cifs_stats.num_deletes));
60059 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_opens),
60060 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_closes),
60061 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_deletes));
60062 seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d",
60063 - atomic_read(&tcon->stats.cifs_stats.num_posixopens),
60064 - atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs));
60065 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixopens),
60066 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs));
60067 seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
60068 - atomic_read(&tcon->stats.cifs_stats.num_mkdirs),
60069 - atomic_read(&tcon->stats.cifs_stats.num_rmdirs));
60070 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_mkdirs),
60071 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_rmdirs));
60072 seq_printf(m, "\nRenames: %d T2 Renames %d",
60073 - atomic_read(&tcon->stats.cifs_stats.num_renames),
60074 - atomic_read(&tcon->stats.cifs_stats.num_t2renames));
60075 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_renames),
60076 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_t2renames));
60077 seq_printf(m, "\nFindFirst: %d FNext %d FClose %d",
60078 - atomic_read(&tcon->stats.cifs_stats.num_ffirst),
60079 - atomic_read(&tcon->stats.cifs_stats.num_fnext),
60080 - atomic_read(&tcon->stats.cifs_stats.num_fclose));
60081 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_ffirst),
60082 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_fnext),
60083 + atomic_read_unchecked(&tcon->stats.cifs_stats.num_fclose));
60084 #endif
60085 }
60086
60087 diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
60088 index c5f521b..1a40865 100644
60089 --- a/fs/cifs/smb2ops.c
60090 +++ b/fs/cifs/smb2ops.c
60091 @@ -417,8 +417,8 @@ smb2_clear_stats(struct cifs_tcon *tcon)
60092 #ifdef CONFIG_CIFS_STATS
60093 int i;
60094 for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
60095 - atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
60096 - atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
60097 + atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
60098 + atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
60099 }
60100 #endif
60101 }
60102 @@ -458,65 +458,65 @@ static void
60103 smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
60104 {
60105 #ifdef CONFIG_CIFS_STATS
60106 - atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
60107 - atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
60108 + atomic_unchecked_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
60109 + atomic_unchecked_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
60110 seq_printf(m, "\nNegotiates: %d sent %d failed",
60111 - atomic_read(&sent[SMB2_NEGOTIATE_HE]),
60112 - atomic_read(&failed[SMB2_NEGOTIATE_HE]));
60113 + atomic_read_unchecked(&sent[SMB2_NEGOTIATE_HE]),
60114 + atomic_read_unchecked(&failed[SMB2_NEGOTIATE_HE]));
60115 seq_printf(m, "\nSessionSetups: %d sent %d failed",
60116 - atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
60117 - atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
60118 + atomic_read_unchecked(&sent[SMB2_SESSION_SETUP_HE]),
60119 + atomic_read_unchecked(&failed[SMB2_SESSION_SETUP_HE]));
60120 seq_printf(m, "\nLogoffs: %d sent %d failed",
60121 - atomic_read(&sent[SMB2_LOGOFF_HE]),
60122 - atomic_read(&failed[SMB2_LOGOFF_HE]));
60123 + atomic_read_unchecked(&sent[SMB2_LOGOFF_HE]),
60124 + atomic_read_unchecked(&failed[SMB2_LOGOFF_HE]));
60125 seq_printf(m, "\nTreeConnects: %d sent %d failed",
60126 - atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
60127 - atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
60128 + atomic_read_unchecked(&sent[SMB2_TREE_CONNECT_HE]),
60129 + atomic_read_unchecked(&failed[SMB2_TREE_CONNECT_HE]));
60130 seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
60131 - atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
60132 - atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
60133 + atomic_read_unchecked(&sent[SMB2_TREE_DISCONNECT_HE]),
60134 + atomic_read_unchecked(&failed[SMB2_TREE_DISCONNECT_HE]));
60135 seq_printf(m, "\nCreates: %d sent %d failed",
60136 - atomic_read(&sent[SMB2_CREATE_HE]),
60137 - atomic_read(&failed[SMB2_CREATE_HE]));
60138 + atomic_read_unchecked(&sent[SMB2_CREATE_HE]),
60139 + atomic_read_unchecked(&failed[SMB2_CREATE_HE]));
60140 seq_printf(m, "\nCloses: %d sent %d failed",
60141 - atomic_read(&sent[SMB2_CLOSE_HE]),
60142 - atomic_read(&failed[SMB2_CLOSE_HE]));
60143 + atomic_read_unchecked(&sent[SMB2_CLOSE_HE]),
60144 + atomic_read_unchecked(&failed[SMB2_CLOSE_HE]));
60145 seq_printf(m, "\nFlushes: %d sent %d failed",
60146 - atomic_read(&sent[SMB2_FLUSH_HE]),
60147 - atomic_read(&failed[SMB2_FLUSH_HE]));
60148 + atomic_read_unchecked(&sent[SMB2_FLUSH_HE]),
60149 + atomic_read_unchecked(&failed[SMB2_FLUSH_HE]));
60150 seq_printf(m, "\nReads: %d sent %d failed",
60151 - atomic_read(&sent[SMB2_READ_HE]),
60152 - atomic_read(&failed[SMB2_READ_HE]));
60153 + atomic_read_unchecked(&sent[SMB2_READ_HE]),
60154 + atomic_read_unchecked(&failed[SMB2_READ_HE]));
60155 seq_printf(m, "\nWrites: %d sent %d failed",
60156 - atomic_read(&sent[SMB2_WRITE_HE]),
60157 - atomic_read(&failed[SMB2_WRITE_HE]));
60158 + atomic_read_unchecked(&sent[SMB2_WRITE_HE]),
60159 + atomic_read_unchecked(&failed[SMB2_WRITE_HE]));
60160 seq_printf(m, "\nLocks: %d sent %d failed",
60161 - atomic_read(&sent[SMB2_LOCK_HE]),
60162 - atomic_read(&failed[SMB2_LOCK_HE]));
60163 + atomic_read_unchecked(&sent[SMB2_LOCK_HE]),
60164 + atomic_read_unchecked(&failed[SMB2_LOCK_HE]));
60165 seq_printf(m, "\nIOCTLs: %d sent %d failed",
60166 - atomic_read(&sent[SMB2_IOCTL_HE]),
60167 - atomic_read(&failed[SMB2_IOCTL_HE]));
60168 + atomic_read_unchecked(&sent[SMB2_IOCTL_HE]),
60169 + atomic_read_unchecked(&failed[SMB2_IOCTL_HE]));
60170 seq_printf(m, "\nCancels: %d sent %d failed",
60171 - atomic_read(&sent[SMB2_CANCEL_HE]),
60172 - atomic_read(&failed[SMB2_CANCEL_HE]));
60173 + atomic_read_unchecked(&sent[SMB2_CANCEL_HE]),
60174 + atomic_read_unchecked(&failed[SMB2_CANCEL_HE]));
60175 seq_printf(m, "\nEchos: %d sent %d failed",
60176 - atomic_read(&sent[SMB2_ECHO_HE]),
60177 - atomic_read(&failed[SMB2_ECHO_HE]));
60178 + atomic_read_unchecked(&sent[SMB2_ECHO_HE]),
60179 + atomic_read_unchecked(&failed[SMB2_ECHO_HE]));
60180 seq_printf(m, "\nQueryDirectories: %d sent %d failed",
60181 - atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
60182 - atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
60183 + atomic_read_unchecked(&sent[SMB2_QUERY_DIRECTORY_HE]),
60184 + atomic_read_unchecked(&failed[SMB2_QUERY_DIRECTORY_HE]));
60185 seq_printf(m, "\nChangeNotifies: %d sent %d failed",
60186 - atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
60187 - atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
60188 + atomic_read_unchecked(&sent[SMB2_CHANGE_NOTIFY_HE]),
60189 + atomic_read_unchecked(&failed[SMB2_CHANGE_NOTIFY_HE]));
60190 seq_printf(m, "\nQueryInfos: %d sent %d failed",
60191 - atomic_read(&sent[SMB2_QUERY_INFO_HE]),
60192 - atomic_read(&failed[SMB2_QUERY_INFO_HE]));
60193 + atomic_read_unchecked(&sent[SMB2_QUERY_INFO_HE]),
60194 + atomic_read_unchecked(&failed[SMB2_QUERY_INFO_HE]));
60195 seq_printf(m, "\nSetInfos: %d sent %d failed",
60196 - atomic_read(&sent[SMB2_SET_INFO_HE]),
60197 - atomic_read(&failed[SMB2_SET_INFO_HE]));
60198 + atomic_read_unchecked(&sent[SMB2_SET_INFO_HE]),
60199 + atomic_read_unchecked(&failed[SMB2_SET_INFO_HE]));
60200 seq_printf(m, "\nOplockBreaks: %d sent %d failed",
60201 - atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
60202 - atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
60203 + atomic_read_unchecked(&sent[SMB2_OPLOCK_BREAK_HE]),
60204 + atomic_read_unchecked(&failed[SMB2_OPLOCK_BREAK_HE]));
60205 #endif
60206 }
60207
60208 diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
60209 index 8f1672b..af339c07 100644
60210 --- a/fs/cifs/smb2pdu.c
60211 +++ b/fs/cifs/smb2pdu.c
60212 @@ -2145,8 +2145,7 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
60213 default:
60214 cifs_dbg(VFS, "info level %u isn't supported\n",
60215 srch_inf->info_level);
60216 - rc = -EINVAL;
60217 - goto qdir_exit;
60218 + return -EINVAL;
60219 }
60220
60221 req->FileIndex = cpu_to_le32(index);
60222 diff --git a/fs/coda/cache.c b/fs/coda/cache.c
60223 index 46ee6f2..89a9e7f 100644
60224 --- a/fs/coda/cache.c
60225 +++ b/fs/coda/cache.c
60226 @@ -24,7 +24,7 @@
60227 #include "coda_linux.h"
60228 #include "coda_cache.h"
60229
60230 -static atomic_t permission_epoch = ATOMIC_INIT(0);
60231 +static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0);
60232
60233 /* replace or extend an acl cache hit */
60234 void coda_cache_enter(struct inode *inode, int mask)
60235 @@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inode, int mask)
60236 struct coda_inode_info *cii = ITOC(inode);
60237
60238 spin_lock(&cii->c_lock);
60239 - cii->c_cached_epoch = atomic_read(&permission_epoch);
60240 + cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch);
60241 if (!uid_eq(cii->c_uid, current_fsuid())) {
60242 cii->c_uid = current_fsuid();
60243 cii->c_cached_perm = mask;
60244 @@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode *inode)
60245 {
60246 struct coda_inode_info *cii = ITOC(inode);
60247 spin_lock(&cii->c_lock);
60248 - cii->c_cached_epoch = atomic_read(&permission_epoch) - 1;
60249 + cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1;
60250 spin_unlock(&cii->c_lock);
60251 }
60252
60253 /* remove all acl caches */
60254 void coda_cache_clear_all(struct super_block *sb)
60255 {
60256 - atomic_inc(&permission_epoch);
60257 + atomic_inc_unchecked(&permission_epoch);
60258 }
60259
60260
60261 @@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode, int mask)
60262 spin_lock(&cii->c_lock);
60263 hit = (mask & cii->c_cached_perm) == mask &&
60264 uid_eq(cii->c_uid, current_fsuid()) &&
60265 - cii->c_cached_epoch == atomic_read(&permission_epoch);
60266 + cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch);
60267 spin_unlock(&cii->c_lock);
60268
60269 return hit;
60270 diff --git a/fs/compat.c b/fs/compat.c
60271 index b13df99..6f6f4a3 100644
60272 --- a/fs/compat.c
60273 +++ b/fs/compat.c
60274 @@ -54,7 +54,7 @@
60275 #include <asm/ioctls.h>
60276 #include "internal.h"
60277
60278 -int compat_log = 1;
60279 +int compat_log = 0;
60280
60281 int compat_printk(const char *fmt, ...)
60282 {
60283 @@ -512,7 +512,7 @@ COMPAT_SYSCALL_DEFINE2(io_setup, unsigned, nr_reqs, u32 __user *, ctx32p)
60284
60285 set_fs(KERNEL_DS);
60286 /* The __user pointer cast is valid because of the set_fs() */
60287 - ret = sys_io_setup(nr_reqs, (aio_context_t __user *) &ctx64);
60288 + ret = sys_io_setup(nr_reqs, (aio_context_t __force_user *) &ctx64);
60289 set_fs(oldfs);
60290 /* truncating is ok because it's a user address */
60291 if (!ret)
60292 @@ -562,7 +562,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
60293 goto out;
60294
60295 ret = -EINVAL;
60296 - if (nr_segs > UIO_MAXIOV || nr_segs < 0)
60297 + if (nr_segs > UIO_MAXIOV)
60298 goto out;
60299 if (nr_segs > fast_segs) {
60300 ret = -ENOMEM;
60301 @@ -844,6 +844,7 @@ struct compat_old_linux_dirent {
60302 struct compat_readdir_callback {
60303 struct dir_context ctx;
60304 struct compat_old_linux_dirent __user *dirent;
60305 + struct file * file;
60306 int result;
60307 };
60308
60309 @@ -861,6 +862,10 @@ static int compat_fillonedir(void *__buf, const char *name, int namlen,
60310 buf->result = -EOVERFLOW;
60311 return -EOVERFLOW;
60312 }
60313 +
60314 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
60315 + return 0;
60316 +
60317 buf->result++;
60318 dirent = buf->dirent;
60319 if (!access_ok(VERIFY_WRITE, dirent,
60320 @@ -892,6 +897,7 @@ COMPAT_SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
60321 if (!f.file)
60322 return -EBADF;
60323
60324 + buf.file = f.file;
60325 error = iterate_dir(f.file, &buf.ctx);
60326 if (buf.result)
60327 error = buf.result;
60328 @@ -911,6 +917,7 @@ struct compat_getdents_callback {
60329 struct dir_context ctx;
60330 struct compat_linux_dirent __user *current_dir;
60331 struct compat_linux_dirent __user *previous;
60332 + struct file * file;
60333 int count;
60334 int error;
60335 };
60336 @@ -932,6 +939,10 @@ static int compat_filldir(void *__buf, const char *name, int namlen,
60337 buf->error = -EOVERFLOW;
60338 return -EOVERFLOW;
60339 }
60340 +
60341 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
60342 + return 0;
60343 +
60344 dirent = buf->previous;
60345 if (dirent) {
60346 if (__put_user(offset, &dirent->d_off))
60347 @@ -977,6 +988,7 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd,
60348 if (!f.file)
60349 return -EBADF;
60350
60351 + buf.file = f.file;
60352 error = iterate_dir(f.file, &buf.ctx);
60353 if (error >= 0)
60354 error = buf.error;
60355 @@ -997,6 +1009,7 @@ struct compat_getdents_callback64 {
60356 struct dir_context ctx;
60357 struct linux_dirent64 __user *current_dir;
60358 struct linux_dirent64 __user *previous;
60359 + struct file * file;
60360 int count;
60361 int error;
60362 };
60363 @@ -1013,6 +1026,10 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t
60364 buf->error = -EINVAL; /* only used if we fail.. */
60365 if (reclen > buf->count)
60366 return -EINVAL;
60367 +
60368 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
60369 + return 0;
60370 +
60371 dirent = buf->previous;
60372
60373 if (dirent) {
60374 @@ -1062,6 +1079,7 @@ COMPAT_SYSCALL_DEFINE3(getdents64, unsigned int, fd,
60375 if (!f.file)
60376 return -EBADF;
60377
60378 + buf.file = f.file;
60379 error = iterate_dir(f.file, &buf.ctx);
60380 if (error >= 0)
60381 error = buf.error;
60382 diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
60383 index 4d24d17..4f8c09e 100644
60384 --- a/fs/compat_binfmt_elf.c
60385 +++ b/fs/compat_binfmt_elf.c
60386 @@ -30,11 +30,13 @@
60387 #undef elf_phdr
60388 #undef elf_shdr
60389 #undef elf_note
60390 +#undef elf_dyn
60391 #undef elf_addr_t
60392 #define elfhdr elf32_hdr
60393 #define elf_phdr elf32_phdr
60394 #define elf_shdr elf32_shdr
60395 #define elf_note elf32_note
60396 +#define elf_dyn Elf32_Dyn
60397 #define elf_addr_t Elf32_Addr
60398
60399 /*
60400 diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
60401 index afec645..9c65620 100644
60402 --- a/fs/compat_ioctl.c
60403 +++ b/fs/compat_ioctl.c
60404 @@ -621,7 +621,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
60405 return -EFAULT;
60406 if (__get_user(udata, &ss32->iomem_base))
60407 return -EFAULT;
60408 - ss.iomem_base = compat_ptr(udata);
60409 + ss.iomem_base = (unsigned char __force_kernel *)compat_ptr(udata);
60410 if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
60411 __get_user(ss.port_high, &ss32->port_high))
60412 return -EFAULT;
60413 @@ -703,8 +703,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
60414 for (i = 0; i < nmsgs; i++) {
60415 if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
60416 return -EFAULT;
60417 - if (get_user(datap, &umsgs[i].buf) ||
60418 - put_user(compat_ptr(datap), &tmsgs[i].buf))
60419 + if (get_user(datap, (compat_caddr_t __user *)&umsgs[i].buf) ||
60420 + put_user(compat_ptr(datap), (u8 __user * __user *)&tmsgs[i].buf))
60421 return -EFAULT;
60422 }
60423 return sys_ioctl(fd, cmd, (unsigned long)tdata);
60424 @@ -797,7 +797,7 @@ static int compat_ioctl_preallocate(struct file *file,
60425 copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
60426 copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
60427 copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
60428 - copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
60429 + copy_in_user(p->l_pad, p32->l_pad, 4*sizeof(u32)))
60430 return -EFAULT;
60431
60432 return ioctl_preallocate(file, p);
60433 @@ -1618,8 +1618,8 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
60434 static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
60435 {
60436 unsigned int a, b;
60437 - a = *(unsigned int *)p;
60438 - b = *(unsigned int *)q;
60439 + a = *(const unsigned int *)p;
60440 + b = *(const unsigned int *)q;
60441 if (a > b)
60442 return 1;
60443 if (a < b)
60444 diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
60445 index 668dcab..daebcd6 100644
60446 --- a/fs/configfs/dir.c
60447 +++ b/fs/configfs/dir.c
60448 @@ -1548,7 +1548,8 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx)
60449 }
60450 for (p = q->next; p != &parent_sd->s_children; p = p->next) {
60451 struct configfs_dirent *next;
60452 - const char *name;
60453 + const unsigned char * name;
60454 + char d_name[sizeof(next->s_dentry->d_iname)];
60455 int len;
60456 struct inode *inode = NULL;
60457
60458 @@ -1557,7 +1558,12 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx)
60459 continue;
60460
60461 name = configfs_get_name(next);
60462 - len = strlen(name);
60463 + if (next->s_dentry && name == next->s_dentry->d_iname) {
60464 + len = next->s_dentry->d_name.len;
60465 + memcpy(d_name, name, len);
60466 + name = d_name;
60467 + } else
60468 + len = strlen(name);
60469
60470 /*
60471 * We'll have a dentry and an inode for
60472 diff --git a/fs/coredump.c b/fs/coredump.c
60473 index b5c86ff..0dac262 100644
60474 --- a/fs/coredump.c
60475 +++ b/fs/coredump.c
60476 @@ -450,8 +450,8 @@ static void wait_for_dump_helpers(struct file *file)
60477 struct pipe_inode_info *pipe = file->private_data;
60478
60479 pipe_lock(pipe);
60480 - pipe->readers++;
60481 - pipe->writers--;
60482 + atomic_inc(&pipe->readers);
60483 + atomic_dec(&pipe->writers);
60484 wake_up_interruptible_sync(&pipe->wait);
60485 kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
60486 pipe_unlock(pipe);
60487 @@ -460,11 +460,11 @@ static void wait_for_dump_helpers(struct file *file)
60488 * We actually want wait_event_freezable() but then we need
60489 * to clear TIF_SIGPENDING and improve dump_interrupted().
60490 */
60491 - wait_event_interruptible(pipe->wait, pipe->readers == 1);
60492 + wait_event_interruptible(pipe->wait, atomic_read(&pipe->readers) == 1);
60493
60494 pipe_lock(pipe);
60495 - pipe->readers--;
60496 - pipe->writers++;
60497 + atomic_dec(&pipe->readers);
60498 + atomic_inc(&pipe->writers);
60499 pipe_unlock(pipe);
60500 }
60501
60502 @@ -511,7 +511,9 @@ void do_coredump(const siginfo_t *siginfo)
60503 struct files_struct *displaced;
60504 bool need_nonrelative = false;
60505 bool core_dumped = false;
60506 - static atomic_t core_dump_count = ATOMIC_INIT(0);
60507 + static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0);
60508 + long signr = siginfo->si_signo;
60509 + int dumpable;
60510 struct coredump_params cprm = {
60511 .siginfo = siginfo,
60512 .regs = signal_pt_regs(),
60513 @@ -524,12 +526,17 @@ void do_coredump(const siginfo_t *siginfo)
60514 .mm_flags = mm->flags,
60515 };
60516
60517 - audit_core_dumps(siginfo->si_signo);
60518 + audit_core_dumps(signr);
60519 +
60520 + dumpable = __get_dumpable(cprm.mm_flags);
60521 +
60522 + if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL)
60523 + gr_handle_brute_attach(dumpable);
60524
60525 binfmt = mm->binfmt;
60526 if (!binfmt || !binfmt->core_dump)
60527 goto fail;
60528 - if (!__get_dumpable(cprm.mm_flags))
60529 + if (!dumpable)
60530 goto fail;
60531
60532 cred = prepare_creds();
60533 @@ -548,7 +555,7 @@ void do_coredump(const siginfo_t *siginfo)
60534 need_nonrelative = true;
60535 }
60536
60537 - retval = coredump_wait(siginfo->si_signo, &core_state);
60538 + retval = coredump_wait(signr, &core_state);
60539 if (retval < 0)
60540 goto fail_creds;
60541
60542 @@ -591,7 +598,7 @@ void do_coredump(const siginfo_t *siginfo)
60543 }
60544 cprm.limit = RLIM_INFINITY;
60545
60546 - dump_count = atomic_inc_return(&core_dump_count);
60547 + dump_count = atomic_inc_return_unchecked(&core_dump_count);
60548 if (core_pipe_limit && (core_pipe_limit < dump_count)) {
60549 printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n",
60550 task_tgid_vnr(current), current->comm);
60551 @@ -623,6 +630,8 @@ void do_coredump(const siginfo_t *siginfo)
60552 } else {
60553 struct inode *inode;
60554
60555 + gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1);
60556 +
60557 if (cprm.limit < binfmt->min_coredump)
60558 goto fail_unlock;
60559
60560 @@ -681,7 +690,7 @@ close_fail:
60561 filp_close(cprm.file, NULL);
60562 fail_dropcount:
60563 if (ispipe)
60564 - atomic_dec(&core_dump_count);
60565 + atomic_dec_unchecked(&core_dump_count);
60566 fail_unlock:
60567 kfree(cn.corename);
60568 coredump_finish(mm, core_dumped);
60569 @@ -702,6 +711,8 @@ int dump_emit(struct coredump_params *cprm, const void *addr, int nr)
60570 struct file *file = cprm->file;
60571 loff_t pos = file->f_pos;
60572 ssize_t n;
60573 +
60574 + gr_learn_resource(current, RLIMIT_CORE, cprm->written + nr, 1);
60575 if (cprm->written + nr > cprm->limit)
60576 return 0;
60577 while (nr) {
60578 diff --git a/fs/dcache.c b/fs/dcache.c
60579 index 03dca3c..15f326d 100644
60580 --- a/fs/dcache.c
60581 +++ b/fs/dcache.c
60582 @@ -508,7 +508,7 @@ static void __dentry_kill(struct dentry *dentry)
60583 * dentry_iput drops the locks, at which point nobody (except
60584 * transient RCU lookups) can reach this dentry.
60585 */
60586 - BUG_ON((int)dentry->d_lockref.count > 0);
60587 + BUG_ON((int)__lockref_read(&dentry->d_lockref) > 0);
60588 this_cpu_dec(nr_dentry);
60589 if (dentry->d_op && dentry->d_op->d_release)
60590 dentry->d_op->d_release(dentry);
60591 @@ -561,7 +561,7 @@ static inline struct dentry *lock_parent(struct dentry *dentry)
60592 struct dentry *parent = dentry->d_parent;
60593 if (IS_ROOT(dentry))
60594 return NULL;
60595 - if (unlikely((int)dentry->d_lockref.count < 0))
60596 + if (unlikely((int)__lockref_read(&dentry->d_lockref) < 0))
60597 return NULL;
60598 if (likely(spin_trylock(&parent->d_lock)))
60599 return parent;
60600 @@ -638,7 +638,7 @@ repeat:
60601 dentry->d_flags |= DCACHE_REFERENCED;
60602 dentry_lru_add(dentry);
60603
60604 - dentry->d_lockref.count--;
60605 + __lockref_dec(&dentry->d_lockref);
60606 spin_unlock(&dentry->d_lock);
60607 return;
60608
60609 @@ -653,7 +653,7 @@ EXPORT_SYMBOL(dput);
60610 /* This must be called with d_lock held */
60611 static inline void __dget_dlock(struct dentry *dentry)
60612 {
60613 - dentry->d_lockref.count++;
60614 + __lockref_inc(&dentry->d_lockref);
60615 }
60616
60617 static inline void __dget(struct dentry *dentry)
60618 @@ -694,8 +694,8 @@ repeat:
60619 goto repeat;
60620 }
60621 rcu_read_unlock();
60622 - BUG_ON(!ret->d_lockref.count);
60623 - ret->d_lockref.count++;
60624 + BUG_ON(!__lockref_read(&ret->d_lockref));
60625 + __lockref_inc(&ret->d_lockref);
60626 spin_unlock(&ret->d_lock);
60627 return ret;
60628 }
60629 @@ -773,9 +773,9 @@ restart:
60630 spin_lock(&inode->i_lock);
60631 hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
60632 spin_lock(&dentry->d_lock);
60633 - if (!dentry->d_lockref.count) {
60634 + if (!__lockref_read(&dentry->d_lockref)) {
60635 struct dentry *parent = lock_parent(dentry);
60636 - if (likely(!dentry->d_lockref.count)) {
60637 + if (likely(!__lockref_read(&dentry->d_lockref))) {
60638 __dentry_kill(dentry);
60639 dput(parent);
60640 goto restart;
60641 @@ -810,7 +810,7 @@ static void shrink_dentry_list(struct list_head *list)
60642 * We found an inuse dentry which was not removed from
60643 * the LRU because of laziness during lookup. Do not free it.
60644 */
60645 - if ((int)dentry->d_lockref.count > 0) {
60646 + if ((int)__lockref_read(&dentry->d_lockref) > 0) {
60647 spin_unlock(&dentry->d_lock);
60648 if (parent)
60649 spin_unlock(&parent->d_lock);
60650 @@ -848,8 +848,8 @@ static void shrink_dentry_list(struct list_head *list)
60651 dentry = parent;
60652 while (dentry && !lockref_put_or_lock(&dentry->d_lockref)) {
60653 parent = lock_parent(dentry);
60654 - if (dentry->d_lockref.count != 1) {
60655 - dentry->d_lockref.count--;
60656 + if (__lockref_read(&dentry->d_lockref) != 1) {
60657 + __lockref_inc(&dentry->d_lockref);
60658 spin_unlock(&dentry->d_lock);
60659 if (parent)
60660 spin_unlock(&parent->d_lock);
60661 @@ -889,7 +889,7 @@ dentry_lru_isolate(struct list_head *item, spinlock_t *lru_lock, void *arg)
60662 * counts, just remove them from the LRU. Otherwise give them
60663 * another pass through the LRU.
60664 */
60665 - if (dentry->d_lockref.count) {
60666 + if (__lockref_read(&dentry->d_lockref) > 0) {
60667 d_lru_isolate(dentry);
60668 spin_unlock(&dentry->d_lock);
60669 return LRU_REMOVED;
60670 @@ -1225,7 +1225,7 @@ static enum d_walk_ret select_collect(void *_data, struct dentry *dentry)
60671 } else {
60672 if (dentry->d_flags & DCACHE_LRU_LIST)
60673 d_lru_del(dentry);
60674 - if (!dentry->d_lockref.count) {
60675 + if (!__lockref_read(&dentry->d_lockref)) {
60676 d_shrink_add(dentry, &data->dispose);
60677 data->found++;
60678 }
60679 @@ -1273,7 +1273,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry)
60680 return D_WALK_CONTINUE;
60681
60682 /* root with refcount 1 is fine */
60683 - if (dentry == _data && dentry->d_lockref.count == 1)
60684 + if (dentry == _data && __lockref_read(&dentry->d_lockref) == 1)
60685 return D_WALK_CONTINUE;
60686
60687 printk(KERN_ERR "BUG: Dentry %p{i=%lx,n=%pd} "
60688 @@ -1282,7 +1282,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry)
60689 dentry->d_inode ?
60690 dentry->d_inode->i_ino : 0UL,
60691 dentry,
60692 - dentry->d_lockref.count,
60693 + __lockref_read(&dentry->d_lockref),
60694 dentry->d_sb->s_type->name,
60695 dentry->d_sb->s_id);
60696 WARN_ON(1);
60697 @@ -1423,7 +1423,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
60698 dentry->d_iname[DNAME_INLINE_LEN-1] = 0;
60699 if (name->len > DNAME_INLINE_LEN-1) {
60700 size_t size = offsetof(struct external_name, name[1]);
60701 - struct external_name *p = kmalloc(size + name->len, GFP_KERNEL);
60702 + struct external_name *p = kmalloc(round_up(size + name->len, sizeof(unsigned long)), GFP_KERNEL);
60703 if (!p) {
60704 kmem_cache_free(dentry_cache, dentry);
60705 return NULL;
60706 @@ -1443,7 +1443,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
60707 smp_wmb();
60708 dentry->d_name.name = dname;
60709
60710 - dentry->d_lockref.count = 1;
60711 + __lockref_set(&dentry->d_lockref, 1);
60712 dentry->d_flags = 0;
60713 spin_lock_init(&dentry->d_lock);
60714 seqcount_init(&dentry->d_seq);
60715 @@ -1452,6 +1452,9 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
60716 dentry->d_sb = sb;
60717 dentry->d_op = NULL;
60718 dentry->d_fsdata = NULL;
60719 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
60720 + atomic_set(&dentry->chroot_refcnt, 0);
60721 +#endif
60722 INIT_HLIST_BL_NODE(&dentry->d_hash);
60723 INIT_LIST_HEAD(&dentry->d_lru);
60724 INIT_LIST_HEAD(&dentry->d_subdirs);
60725 @@ -2183,7 +2186,7 @@ struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name)
60726 goto next;
60727 }
60728
60729 - dentry->d_lockref.count++;
60730 + __lockref_inc(&dentry->d_lockref);
60731 found = dentry;
60732 spin_unlock(&dentry->d_lock);
60733 break;
60734 @@ -2282,7 +2285,7 @@ again:
60735 spin_lock(&dentry->d_lock);
60736 inode = dentry->d_inode;
60737 isdir = S_ISDIR(inode->i_mode);
60738 - if (dentry->d_lockref.count == 1) {
60739 + if (__lockref_read(&dentry->d_lockref) == 1) {
60740 if (!spin_trylock(&inode->i_lock)) {
60741 spin_unlock(&dentry->d_lock);
60742 cpu_relax();
60743 @@ -3308,7 +3311,7 @@ static enum d_walk_ret d_genocide_kill(void *data, struct dentry *dentry)
60744
60745 if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
60746 dentry->d_flags |= DCACHE_GENOCIDE;
60747 - dentry->d_lockref.count--;
60748 + __lockref_dec(&dentry->d_lockref);
60749 }
60750 }
60751 return D_WALK_CONTINUE;
60752 @@ -3424,7 +3427,8 @@ void __init vfs_caches_init(unsigned long mempages)
60753 mempages -= reserve;
60754
60755 names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0,
60756 - SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
60757 + SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY|
60758 + SLAB_NO_SANITIZE, NULL);
60759
60760 dcache_init();
60761 inode_init();
60762 diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
60763 index 05f2960..b012481 100644
60764 --- a/fs/debugfs/inode.c
60765 +++ b/fs/debugfs/inode.c
60766 @@ -416,7 +416,11 @@ EXPORT_SYMBOL_GPL(debugfs_create_file);
60767 */
60768 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
60769 {
60770 +#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
60771 + return __create_file(name, S_IFDIR | S_IRWXU,
60772 +#else
60773 return __create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
60774 +#endif
60775 parent, NULL, NULL);
60776 }
60777 EXPORT_SYMBOL_GPL(debugfs_create_dir);
60778 diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
60779 index 1686dc2..9611c50 100644
60780 --- a/fs/ecryptfs/inode.c
60781 +++ b/fs/ecryptfs/inode.c
60782 @@ -664,7 +664,7 @@ static char *ecryptfs_readlink_lower(struct dentry *dentry, size_t *bufsiz)
60783 old_fs = get_fs();
60784 set_fs(get_ds());
60785 rc = lower_dentry->d_inode->i_op->readlink(lower_dentry,
60786 - (char __user *)lower_buf,
60787 + (char __force_user *)lower_buf,
60788 PATH_MAX);
60789 set_fs(old_fs);
60790 if (rc < 0)
60791 diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
60792 index e4141f2..d8263e8 100644
60793 --- a/fs/ecryptfs/miscdev.c
60794 +++ b/fs/ecryptfs/miscdev.c
60795 @@ -304,7 +304,7 @@ check_list:
60796 goto out_unlock_msg_ctx;
60797 i = PKT_TYPE_SIZE + PKT_CTR_SIZE;
60798 if (msg_ctx->msg) {
60799 - if (copy_to_user(&buf[i], packet_length, packet_length_size))
60800 + if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size))
60801 goto out_unlock_msg_ctx;
60802 i += packet_length_size;
60803 if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size))
60804 diff --git a/fs/exec.c b/fs/exec.c
60805 index 7302b75..b917171 100644
60806 --- a/fs/exec.c
60807 +++ b/fs/exec.c
60808 @@ -56,8 +56,20 @@
60809 #include <linux/pipe_fs_i.h>
60810 #include <linux/oom.h>
60811 #include <linux/compat.h>
60812 +#include <linux/random.h>
60813 +#include <linux/seq_file.h>
60814 +#include <linux/coredump.h>
60815 +#include <linux/mman.h>
60816 +
60817 +#ifdef CONFIG_PAX_REFCOUNT
60818 +#include <linux/kallsyms.h>
60819 +#include <linux/kdebug.h>
60820 +#endif
60821 +
60822 +#include <trace/events/fs.h>
60823
60824 #include <asm/uaccess.h>
60825 +#include <asm/sections.h>
60826 #include <asm/mmu_context.h>
60827 #include <asm/tlb.h>
60828
60829 @@ -66,19 +78,34 @@
60830
60831 #include <trace/events/sched.h>
60832
60833 +#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
60834 +void __weak pax_set_initial_flags(struct linux_binprm *bprm)
60835 +{
60836 + pr_warn_once("PAX: PAX_HAVE_ACL_FLAGS was enabled without providing the pax_set_initial_flags callback, this is probably not what you wanted.\n");
60837 +}
60838 +#endif
60839 +
60840 +#ifdef CONFIG_PAX_HOOK_ACL_FLAGS
60841 +void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
60842 +EXPORT_SYMBOL(pax_set_initial_flags_func);
60843 +#endif
60844 +
60845 int suid_dumpable = 0;
60846
60847 static LIST_HEAD(formats);
60848 static DEFINE_RWLOCK(binfmt_lock);
60849
60850 +extern int gr_process_kernel_exec_ban(void);
60851 +extern int gr_process_suid_exec_ban(const struct linux_binprm *bprm);
60852 +
60853 void __register_binfmt(struct linux_binfmt * fmt, int insert)
60854 {
60855 BUG_ON(!fmt);
60856 if (WARN_ON(!fmt->load_binary))
60857 return;
60858 write_lock(&binfmt_lock);
60859 - insert ? list_add(&fmt->lh, &formats) :
60860 - list_add_tail(&fmt->lh, &formats);
60861 + insert ? pax_list_add((struct list_head *)&fmt->lh, &formats) :
60862 + pax_list_add_tail((struct list_head *)&fmt->lh, &formats);
60863 write_unlock(&binfmt_lock);
60864 }
60865
60866 @@ -87,7 +114,7 @@ EXPORT_SYMBOL(__register_binfmt);
60867 void unregister_binfmt(struct linux_binfmt * fmt)
60868 {
60869 write_lock(&binfmt_lock);
60870 - list_del(&fmt->lh);
60871 + pax_list_del((struct list_head *)&fmt->lh);
60872 write_unlock(&binfmt_lock);
60873 }
60874
60875 @@ -183,18 +210,10 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
60876 int write)
60877 {
60878 struct page *page;
60879 - int ret;
60880
60881 -#ifdef CONFIG_STACK_GROWSUP
60882 - if (write) {
60883 - ret = expand_downwards(bprm->vma, pos);
60884 - if (ret < 0)
60885 - return NULL;
60886 - }
60887 -#endif
60888 - ret = get_user_pages(current, bprm->mm, pos,
60889 - 1, write, 1, &page, NULL);
60890 - if (ret <= 0)
60891 + if (0 > expand_downwards(bprm->vma, pos))
60892 + return NULL;
60893 + if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL))
60894 return NULL;
60895
60896 if (write) {
60897 @@ -210,6 +229,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
60898 if (size <= ARG_MAX)
60899 return page;
60900
60901 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
60902 + // only allow 512KB for argv+env on suid/sgid binaries
60903 + // to prevent easy ASLR exhaustion
60904 + if (((!uid_eq(bprm->cred->euid, current_euid())) ||
60905 + (!gid_eq(bprm->cred->egid, current_egid()))) &&
60906 + (size > (512 * 1024))) {
60907 + put_page(page);
60908 + return NULL;
60909 + }
60910 +#endif
60911 +
60912 /*
60913 * Limit to 1/4-th the stack size for the argv+env strings.
60914 * This ensures that:
60915 @@ -269,6 +299,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
60916 vma->vm_end = STACK_TOP_MAX;
60917 vma->vm_start = vma->vm_end - PAGE_SIZE;
60918 vma->vm_flags = VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
60919 +
60920 +#ifdef CONFIG_PAX_SEGMEXEC
60921 + vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
60922 +#endif
60923 +
60924 vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
60925 INIT_LIST_HEAD(&vma->anon_vma_chain);
60926
60927 @@ -279,6 +314,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
60928 mm->stack_vm = mm->total_vm = 1;
60929 up_write(&mm->mmap_sem);
60930 bprm->p = vma->vm_end - sizeof(void *);
60931 +
60932 +#ifdef CONFIG_PAX_RANDUSTACK
60933 + if (randomize_va_space)
60934 + bprm->p ^= prandom_u32() & ~PAGE_MASK;
60935 +#endif
60936 +
60937 return 0;
60938 err:
60939 up_write(&mm->mmap_sem);
60940 @@ -395,7 +436,7 @@ struct user_arg_ptr {
60941 } ptr;
60942 };
60943
60944 -static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
60945 +const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
60946 {
60947 const char __user *native;
60948
60949 @@ -404,14 +445,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
60950 compat_uptr_t compat;
60951
60952 if (get_user(compat, argv.ptr.compat + nr))
60953 - return ERR_PTR(-EFAULT);
60954 + return (const char __force_user *)ERR_PTR(-EFAULT);
60955
60956 return compat_ptr(compat);
60957 }
60958 #endif
60959
60960 if (get_user(native, argv.ptr.native + nr))
60961 - return ERR_PTR(-EFAULT);
60962 + return (const char __force_user *)ERR_PTR(-EFAULT);
60963
60964 return native;
60965 }
60966 @@ -430,7 +471,7 @@ static int count(struct user_arg_ptr argv, int max)
60967 if (!p)
60968 break;
60969
60970 - if (IS_ERR(p))
60971 + if (IS_ERR((const char __force_kernel *)p))
60972 return -EFAULT;
60973
60974 if (i >= max)
60975 @@ -465,7 +506,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
60976
60977 ret = -EFAULT;
60978 str = get_user_arg_ptr(argv, argc);
60979 - if (IS_ERR(str))
60980 + if (IS_ERR((const char __force_kernel *)str))
60981 goto out;
60982
60983 len = strnlen_user(str, MAX_ARG_STRLEN);
60984 @@ -547,7 +588,7 @@ int copy_strings_kernel(int argc, const char *const *__argv,
60985 int r;
60986 mm_segment_t oldfs = get_fs();
60987 struct user_arg_ptr argv = {
60988 - .ptr.native = (const char __user *const __user *)__argv,
60989 + .ptr.native = (const char __user * const __force_user *)__argv,
60990 };
60991
60992 set_fs(KERNEL_DS);
60993 @@ -582,7 +623,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
60994 unsigned long new_end = old_end - shift;
60995 struct mmu_gather tlb;
60996
60997 - BUG_ON(new_start > new_end);
60998 + if (new_start >= new_end || new_start < mmap_min_addr)
60999 + return -ENOMEM;
61000
61001 /*
61002 * ensure there are no vmas between where we want to go
61003 @@ -591,6 +633,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
61004 if (vma != find_vma(mm, new_start))
61005 return -EFAULT;
61006
61007 +#ifdef CONFIG_PAX_SEGMEXEC
61008 + BUG_ON(pax_find_mirror_vma(vma));
61009 +#endif
61010 +
61011 /*
61012 * cover the whole range: [new_start, old_end)
61013 */
61014 @@ -671,10 +717,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
61015 stack_top = arch_align_stack(stack_top);
61016 stack_top = PAGE_ALIGN(stack_top);
61017
61018 - if (unlikely(stack_top < mmap_min_addr) ||
61019 - unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr))
61020 - return -ENOMEM;
61021 -
61022 stack_shift = vma->vm_end - stack_top;
61023
61024 bprm->p -= stack_shift;
61025 @@ -686,8 +728,28 @@ int setup_arg_pages(struct linux_binprm *bprm,
61026 bprm->exec -= stack_shift;
61027
61028 down_write(&mm->mmap_sem);
61029 +
61030 + /* Move stack pages down in memory. */
61031 + if (stack_shift) {
61032 + ret = shift_arg_pages(vma, stack_shift);
61033 + if (ret)
61034 + goto out_unlock;
61035 + }
61036 +
61037 vm_flags = VM_STACK_FLAGS;
61038
61039 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
61040 + if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
61041 + vm_flags &= ~VM_EXEC;
61042 +
61043 +#ifdef CONFIG_PAX_MPROTECT
61044 + if (mm->pax_flags & MF_PAX_MPROTECT)
61045 + vm_flags &= ~VM_MAYEXEC;
61046 +#endif
61047 +
61048 + }
61049 +#endif
61050 +
61051 /*
61052 * Adjust stack execute permissions; explicitly enable for
61053 * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone
61054 @@ -706,13 +768,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
61055 goto out_unlock;
61056 BUG_ON(prev != vma);
61057
61058 - /* Move stack pages down in memory. */
61059 - if (stack_shift) {
61060 - ret = shift_arg_pages(vma, stack_shift);
61061 - if (ret)
61062 - goto out_unlock;
61063 - }
61064 -
61065 /* mprotect_fixup is overkill to remove the temporary stack flags */
61066 vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
61067
61068 @@ -736,6 +791,27 @@ int setup_arg_pages(struct linux_binprm *bprm,
61069 #endif
61070 current->mm->start_stack = bprm->p;
61071 ret = expand_stack(vma, stack_base);
61072 +
61073 +#if !defined(CONFIG_STACK_GROWSUP) && defined(CONFIG_PAX_RANDMMAP)
61074 + if (!ret && (mm->pax_flags & MF_PAX_RANDMMAP) && STACK_TOP <= 0xFFFFFFFFU && STACK_TOP > vma->vm_end) {
61075 + unsigned long size;
61076 + vm_flags_t vm_flags;
61077 +
61078 + size = STACK_TOP - vma->vm_end;
61079 + vm_flags = VM_NONE | VM_DONTEXPAND | VM_DONTDUMP;
61080 +
61081 + ret = vma->vm_end != mmap_region(NULL, vma->vm_end, size, vm_flags, 0);
61082 +
61083 +#ifdef CONFIG_X86
61084 + if (!ret) {
61085 + size = PAGE_SIZE + mmap_min_addr + ((mm->delta_mmap ^ mm->delta_stack) & (0xFFUL << PAGE_SHIFT));
61086 + ret = 0 != mmap_region(NULL, 0, PAGE_ALIGN(size), vm_flags, 0);
61087 + }
61088 +#endif
61089 +
61090 + }
61091 +#endif
61092 +
61093 if (ret)
61094 ret = -EFAULT;
61095
61096 @@ -771,6 +847,8 @@ static struct file *do_open_exec(struct filename *name)
61097
61098 fsnotify_open(file);
61099
61100 + trace_open_exec(name->name);
61101 +
61102 err = deny_write_access(file);
61103 if (err)
61104 goto exit;
61105 @@ -800,7 +878,7 @@ int kernel_read(struct file *file, loff_t offset,
61106 old_fs = get_fs();
61107 set_fs(get_ds());
61108 /* The cast to a user pointer is valid due to the set_fs() */
61109 - result = vfs_read(file, (void __user *)addr, count, &pos);
61110 + result = vfs_read(file, (void __force_user *)addr, count, &pos);
61111 set_fs(old_fs);
61112 return result;
61113 }
61114 @@ -845,6 +923,7 @@ static int exec_mmap(struct mm_struct *mm)
61115 tsk->mm = mm;
61116 tsk->active_mm = mm;
61117 activate_mm(active_mm, mm);
61118 + populate_stack();
61119 tsk->mm->vmacache_seqnum = 0;
61120 vmacache_flush(tsk);
61121 task_unlock(tsk);
61122 @@ -1243,7 +1322,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm)
61123 }
61124 rcu_read_unlock();
61125
61126 - if (p->fs->users > n_fs)
61127 + if (atomic_read(&p->fs->users) > n_fs)
61128 bprm->unsafe |= LSM_UNSAFE_SHARE;
61129 else
61130 p->fs->in_exec = 1;
61131 @@ -1424,6 +1503,31 @@ static int exec_binprm(struct linux_binprm *bprm)
61132 return ret;
61133 }
61134
61135 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
61136 +static DEFINE_PER_CPU(u64, exec_counter);
61137 +static int __init init_exec_counters(void)
61138 +{
61139 + unsigned int cpu;
61140 +
61141 + for_each_possible_cpu(cpu) {
61142 + per_cpu(exec_counter, cpu) = (u64)cpu;
61143 + }
61144 +
61145 + return 0;
61146 +}
61147 +early_initcall(init_exec_counters);
61148 +static inline void increment_exec_counter(void)
61149 +{
61150 + BUILD_BUG_ON(NR_CPUS > (1 << 16));
61151 + current->exec_id = this_cpu_add_return(exec_counter, 1 << 16);
61152 +}
61153 +#else
61154 +static inline void increment_exec_counter(void) {}
61155 +#endif
61156 +
61157 +extern void gr_handle_exec_args(struct linux_binprm *bprm,
61158 + struct user_arg_ptr argv);
61159 +
61160 /*
61161 * sys_execve() executes a new program.
61162 */
61163 @@ -1431,6 +1535,11 @@ static int do_execve_common(struct filename *filename,
61164 struct user_arg_ptr argv,
61165 struct user_arg_ptr envp)
61166 {
61167 +#ifdef CONFIG_GRKERNSEC
61168 + struct file *old_exec_file;
61169 + struct acl_subject_label *old_acl;
61170 + struct rlimit old_rlim[RLIM_NLIMITS];
61171 +#endif
61172 struct linux_binprm *bprm;
61173 struct file *file;
61174 struct files_struct *displaced;
61175 @@ -1439,6 +1548,8 @@ static int do_execve_common(struct filename *filename,
61176 if (IS_ERR(filename))
61177 return PTR_ERR(filename);
61178
61179 + gr_learn_resource(current, RLIMIT_NPROC, atomic_read(&current_user()->processes), 1);
61180 +
61181 /*
61182 * We move the actual failure in case of RLIMIT_NPROC excess from
61183 * set*uid() to execve() because too many poorly written programs
61184 @@ -1476,11 +1587,21 @@ static int do_execve_common(struct filename *filename,
61185 if (IS_ERR(file))
61186 goto out_unmark;
61187
61188 + if (gr_ptrace_readexec(file, bprm->unsafe)) {
61189 + retval = -EPERM;
61190 + goto out_unmark;
61191 + }
61192 +
61193 sched_exec();
61194
61195 bprm->file = file;
61196 bprm->filename = bprm->interp = filename->name;
61197
61198 + if (!gr_acl_handle_execve(file->f_path.dentry, file->f_path.mnt)) {
61199 + retval = -EACCES;
61200 + goto out_unmark;
61201 + }
61202 +
61203 retval = bprm_mm_init(bprm);
61204 if (retval)
61205 goto out_unmark;
61206 @@ -1497,24 +1618,70 @@ static int do_execve_common(struct filename *filename,
61207 if (retval < 0)
61208 goto out;
61209
61210 +#ifdef CONFIG_GRKERNSEC
61211 + old_acl = current->acl;
61212 + memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim));
61213 + old_exec_file = current->exec_file;
61214 + get_file(file);
61215 + current->exec_file = file;
61216 +#endif
61217 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
61218 + /* limit suid stack to 8MB
61219 + * we saved the old limits above and will restore them if this exec fails
61220 + */
61221 + if (((!uid_eq(bprm->cred->euid, current_euid())) || (!gid_eq(bprm->cred->egid, current_egid()))) &&
61222 + (old_rlim[RLIMIT_STACK].rlim_cur > (8 * 1024 * 1024)))
61223 + current->signal->rlim[RLIMIT_STACK].rlim_cur = 8 * 1024 * 1024;
61224 +#endif
61225 +
61226 + if (gr_process_kernel_exec_ban() || gr_process_suid_exec_ban(bprm)) {
61227 + retval = -EPERM;
61228 + goto out_fail;
61229 + }
61230 +
61231 + if (!gr_tpe_allow(file)) {
61232 + retval = -EACCES;
61233 + goto out_fail;
61234 + }
61235 +
61236 + if (gr_check_crash_exec(file)) {
61237 + retval = -EACCES;
61238 + goto out_fail;
61239 + }
61240 +
61241 + retval = gr_set_proc_label(file->f_path.dentry, file->f_path.mnt,
61242 + bprm->unsafe);
61243 + if (retval < 0)
61244 + goto out_fail;
61245 +
61246 retval = copy_strings_kernel(1, &bprm->filename, bprm);
61247 if (retval < 0)
61248 - goto out;
61249 + goto out_fail;
61250
61251 bprm->exec = bprm->p;
61252 retval = copy_strings(bprm->envc, envp, bprm);
61253 if (retval < 0)
61254 - goto out;
61255 + goto out_fail;
61256
61257 retval = copy_strings(bprm->argc, argv, bprm);
61258 if (retval < 0)
61259 - goto out;
61260 + goto out_fail;
61261 +
61262 + gr_log_chroot_exec(file->f_path.dentry, file->f_path.mnt);
61263 +
61264 + gr_handle_exec_args(bprm, argv);
61265
61266 retval = exec_binprm(bprm);
61267 if (retval < 0)
61268 - goto out;
61269 + goto out_fail;
61270 +#ifdef CONFIG_GRKERNSEC
61271 + if (old_exec_file)
61272 + fput(old_exec_file);
61273 +#endif
61274
61275 /* execve succeeded */
61276 +
61277 + increment_exec_counter();
61278 current->fs->in_exec = 0;
61279 current->in_execve = 0;
61280 acct_update_integrals(current);
61281 @@ -1525,6 +1692,14 @@ static int do_execve_common(struct filename *filename,
61282 put_files_struct(displaced);
61283 return retval;
61284
61285 +out_fail:
61286 +#ifdef CONFIG_GRKERNSEC
61287 + current->acl = old_acl;
61288 + memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim));
61289 + fput(current->exec_file);
61290 + current->exec_file = old_exec_file;
61291 +#endif
61292 +
61293 out:
61294 if (bprm->mm) {
61295 acct_arg_size(bprm, 0);
61296 @@ -1616,3 +1791,312 @@ COMPAT_SYSCALL_DEFINE3(execve, const char __user *, filename,
61297 return compat_do_execve(getname(filename), argv, envp);
61298 }
61299 #endif
61300 +
61301 +int pax_check_flags(unsigned long *flags)
61302 +{
61303 + int retval = 0;
61304 +
61305 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC)
61306 + if (*flags & MF_PAX_SEGMEXEC)
61307 + {
61308 + *flags &= ~MF_PAX_SEGMEXEC;
61309 + retval = -EINVAL;
61310 + }
61311 +#endif
61312 +
61313 + if ((*flags & MF_PAX_PAGEEXEC)
61314 +
61315 +#ifdef CONFIG_PAX_PAGEEXEC
61316 + && (*flags & MF_PAX_SEGMEXEC)
61317 +#endif
61318 +
61319 + )
61320 + {
61321 + *flags &= ~MF_PAX_PAGEEXEC;
61322 + retval = -EINVAL;
61323 + }
61324 +
61325 + if ((*flags & MF_PAX_MPROTECT)
61326 +
61327 +#ifdef CONFIG_PAX_MPROTECT
61328 + && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
61329 +#endif
61330 +
61331 + )
61332 + {
61333 + *flags &= ~MF_PAX_MPROTECT;
61334 + retval = -EINVAL;
61335 + }
61336 +
61337 + if ((*flags & MF_PAX_EMUTRAMP)
61338 +
61339 +#ifdef CONFIG_PAX_EMUTRAMP
61340 + && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))
61341 +#endif
61342 +
61343 + )
61344 + {
61345 + *flags &= ~MF_PAX_EMUTRAMP;
61346 + retval = -EINVAL;
61347 + }
61348 +
61349 + return retval;
61350 +}
61351 +
61352 +EXPORT_SYMBOL(pax_check_flags);
61353 +
61354 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
61355 +char *pax_get_path(const struct path *path, char *buf, int buflen)
61356 +{
61357 + char *pathname = d_path(path, buf, buflen);
61358 +
61359 + if (IS_ERR(pathname))
61360 + goto toolong;
61361 +
61362 + pathname = mangle_path(buf, pathname, "\t\n\\");
61363 + if (!pathname)
61364 + goto toolong;
61365 +
61366 + *pathname = 0;
61367 + return buf;
61368 +
61369 +toolong:
61370 + return "<path too long>";
61371 +}
61372 +EXPORT_SYMBOL(pax_get_path);
61373 +
61374 +void pax_report_fault(struct pt_regs *regs, void *pc, void *sp)
61375 +{
61376 + struct task_struct *tsk = current;
61377 + struct mm_struct *mm = current->mm;
61378 + char *buffer_exec = (char *)__get_free_page(GFP_KERNEL);
61379 + char *buffer_fault = (char *)__get_free_page(GFP_KERNEL);
61380 + char *path_exec = NULL;
61381 + char *path_fault = NULL;
61382 + unsigned long start = 0UL, end = 0UL, offset = 0UL;
61383 + siginfo_t info = { };
61384 +
61385 + if (buffer_exec && buffer_fault) {
61386 + struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL;
61387 +
61388 + down_read(&mm->mmap_sem);
61389 + vma = mm->mmap;
61390 + while (vma && (!vma_exec || !vma_fault)) {
61391 + if (vma->vm_file && mm->exe_file == vma->vm_file && (vma->vm_flags & VM_EXEC))
61392 + vma_exec = vma;
61393 + if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end)
61394 + vma_fault = vma;
61395 + vma = vma->vm_next;
61396 + }
61397 + if (vma_exec)
61398 + path_exec = pax_get_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE);
61399 + if (vma_fault) {
61400 + start = vma_fault->vm_start;
61401 + end = vma_fault->vm_end;
61402 + offset = vma_fault->vm_pgoff << PAGE_SHIFT;
61403 + if (vma_fault->vm_file)
61404 + path_fault = pax_get_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE);
61405 + else if ((unsigned long)pc >= mm->start_brk && (unsigned long)pc < mm->brk)
61406 + path_fault = "<heap>";
61407 + else if (vma_fault->vm_flags & (VM_GROWSDOWN | VM_GROWSUP))
61408 + path_fault = "<stack>";
61409 + else
61410 + path_fault = "<anonymous mapping>";
61411 + }
61412 + up_read(&mm->mmap_sem);
61413 + }
61414 + if (tsk->signal->curr_ip)
61415 + printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset);
61416 + else
61417 + printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset);
61418 + printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk),
61419 + from_kuid_munged(&init_user_ns, task_uid(tsk)), from_kuid_munged(&init_user_ns, task_euid(tsk)), pc, sp);
61420 + free_page((unsigned long)buffer_exec);
61421 + free_page((unsigned long)buffer_fault);
61422 + pax_report_insns(regs, pc, sp);
61423 + info.si_signo = SIGKILL;
61424 + info.si_errno = 0;
61425 + info.si_code = SI_KERNEL;
61426 + info.si_pid = 0;
61427 + info.si_uid = 0;
61428 + do_coredump(&info);
61429 +}
61430 +#endif
61431 +
61432 +#ifdef CONFIG_PAX_REFCOUNT
61433 +void pax_report_refcount_overflow(struct pt_regs *regs)
61434 +{
61435 + if (current->signal->curr_ip)
61436 + printk(KERN_ERR "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
61437 + &current->signal->curr_ip, current->comm, task_pid_nr(current),
61438 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
61439 + else
61440 + printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", current->comm, task_pid_nr(current),
61441 + from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()));
61442 + print_symbol(KERN_ERR "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs));
61443 + preempt_disable();
61444 + show_regs(regs);
61445 + preempt_enable();
61446 + force_sig_info(SIGKILL, SEND_SIG_FORCED, current);
61447 +}
61448 +#endif
61449 +
61450 +#ifdef CONFIG_PAX_USERCOPY
61451 +/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */
61452 +static noinline int check_stack_object(const void *obj, unsigned long len)
61453 +{
61454 + const void * const stack = task_stack_page(current);
61455 + const void * const stackend = stack + THREAD_SIZE;
61456 +
61457 +#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
61458 + const void *frame = NULL;
61459 + const void *oldframe;
61460 +#endif
61461 +
61462 + if (obj + len < obj)
61463 + return -1;
61464 +
61465 + if (obj + len <= stack || stackend <= obj)
61466 + return 0;
61467 +
61468 + if (obj < stack || stackend < obj + len)
61469 + return -1;
61470 +
61471 +#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86)
61472 + oldframe = __builtin_frame_address(1);
61473 + if (oldframe)
61474 + frame = __builtin_frame_address(2);
61475 + /*
61476 + low ----------------------------------------------> high
61477 + [saved bp][saved ip][args][local vars][saved bp][saved ip]
61478 + ^----------------^
61479 + allow copies only within here
61480 + */
61481 + while (stack <= frame && frame < stackend) {
61482 + /* if obj + len extends past the last frame, this
61483 + check won't pass and the next frame will be 0,
61484 + causing us to bail out and correctly report
61485 + the copy as invalid
61486 + */
61487 + if (obj + len <= frame)
61488 + return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1;
61489 + oldframe = frame;
61490 + frame = *(const void * const *)frame;
61491 + }
61492 + return -1;
61493 +#else
61494 + return 1;
61495 +#endif
61496 +}
61497 +
61498 +static __noreturn void pax_report_usercopy(const void *ptr, unsigned long len, bool to_user, const char *type)
61499 +{
61500 + if (current->signal->curr_ip)
61501 + printk(KERN_ERR "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
61502 + &current->signal->curr_ip, to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len);
61503 + else
61504 + printk(KERN_ERR "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n",
61505 + to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len);
61506 + dump_stack();
61507 + gr_handle_kernel_exploit();
61508 + do_group_exit(SIGKILL);
61509 +}
61510 +#endif
61511 +
61512 +#ifdef CONFIG_PAX_USERCOPY
61513 +
61514 +static inline bool check_kernel_text_object(unsigned long low, unsigned long high)
61515 +{
61516 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
61517 + unsigned long textlow = ktla_ktva((unsigned long)_stext);
61518 +#ifdef CONFIG_MODULES
61519 + unsigned long texthigh = (unsigned long)MODULES_EXEC_VADDR;
61520 +#else
61521 + unsigned long texthigh = ktla_ktva((unsigned long)_etext);
61522 +#endif
61523 +
61524 +#else
61525 + unsigned long textlow = (unsigned long)_stext;
61526 + unsigned long texthigh = (unsigned long)_etext;
61527 +
61528 +#ifdef CONFIG_X86_64
61529 + /* check against linear mapping as well */
61530 + if (high > (unsigned long)__va(__pa(textlow)) &&
61531 + low < (unsigned long)__va(__pa(texthigh)))
61532 + return true;
61533 +#endif
61534 +
61535 +#endif
61536 +
61537 + if (high <= textlow || low >= texthigh)
61538 + return false;
61539 + else
61540 + return true;
61541 +}
61542 +#endif
61543 +
61544 +void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size)
61545 +{
61546 +#ifdef CONFIG_PAX_USERCOPY
61547 + const char *type;
61548 +#endif
61549 +
61550 +#ifndef CONFIG_STACK_GROWSUP
61551 + unsigned long stackstart = (unsigned long)task_stack_page(current);
61552 + unsigned long currentsp = (unsigned long)&stackstart;
61553 + if (unlikely((currentsp < stackstart + 512 ||
61554 + currentsp >= stackstart + THREAD_SIZE) && !in_interrupt()))
61555 + BUG();
61556 +#endif
61557 +
61558 +#ifndef CONFIG_PAX_USERCOPY_DEBUG
61559 + if (const_size)
61560 + return;
61561 +#endif
61562 +
61563 +#ifdef CONFIG_PAX_USERCOPY
61564 + if (!n)
61565 + return;
61566 +
61567 + type = check_heap_object(ptr, n);
61568 + if (!type) {
61569 + int ret = check_stack_object(ptr, n);
61570 + if (ret == 1 || ret == 2)
61571 + return;
61572 + if (ret == 0) {
61573 + if (check_kernel_text_object((unsigned long)ptr, (unsigned long)ptr + n))
61574 + type = "<kernel text>";
61575 + else
61576 + return;
61577 + } else
61578 + type = "<process stack>";
61579 + }
61580 +
61581 + pax_report_usercopy(ptr, n, to_user, type);
61582 +#endif
61583 +
61584 +}
61585 +EXPORT_SYMBOL(__check_object_size);
61586 +
61587 +#ifdef CONFIG_PAX_MEMORY_STACKLEAK
61588 +void pax_track_stack(void)
61589 +{
61590 + unsigned long sp = (unsigned long)&sp;
61591 + if (sp < current_thread_info()->lowest_stack &&
61592 + sp >= (unsigned long)task_stack_page(current) + 2 * sizeof(unsigned long))
61593 + current_thread_info()->lowest_stack = sp;
61594 + if (unlikely((sp & ~(THREAD_SIZE - 1)) < (THREAD_SIZE/16)))
61595 + BUG();
61596 +}
61597 +EXPORT_SYMBOL(pax_track_stack);
61598 +#endif
61599 +
61600 +#ifdef CONFIG_PAX_SIZE_OVERFLOW
61601 +void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
61602 +{
61603 + printk(KERN_ERR "PAX: size overflow detected in function %s %s:%u %s", func, file, line, ssa_name);
61604 + dump_stack();
61605 + do_group_exit(SIGKILL);
61606 +}
61607 +EXPORT_SYMBOL(report_size_overflow);
61608 +#endif
61609 diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
61610 index 9f9992b..8b59411 100644
61611 --- a/fs/ext2/balloc.c
61612 +++ b/fs/ext2/balloc.c
61613 @@ -1184,10 +1184,10 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
61614
61615 free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
61616 root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
61617 - if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
61618 + if (free_blocks < root_blocks + 1 &&
61619 !uid_eq(sbi->s_resuid, current_fsuid()) &&
61620 (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
61621 - !in_group_p (sbi->s_resgid))) {
61622 + !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
61623 return 0;
61624 }
61625 return 1;
61626 diff --git a/fs/ext2/super.c b/fs/ext2/super.c
61627 index 170dc41..62f6b18 100644
61628 --- a/fs/ext2/super.c
61629 +++ b/fs/ext2/super.c
61630 @@ -264,10 +264,8 @@ static int ext2_show_options(struct seq_file *seq, struct dentry *root)
61631 #ifdef CONFIG_EXT2_FS_XATTR
61632 if (test_opt(sb, XATTR_USER))
61633 seq_puts(seq, ",user_xattr");
61634 - if (!test_opt(sb, XATTR_USER) &&
61635 - (def_mount_opts & EXT2_DEFM_XATTR_USER)) {
61636 + if (!test_opt(sb, XATTR_USER))
61637 seq_puts(seq, ",nouser_xattr");
61638 - }
61639 #endif
61640
61641 #ifdef CONFIG_EXT2_FS_POSIX_ACL
61642 @@ -841,8 +839,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
61643 if (def_mount_opts & EXT2_DEFM_UID16)
61644 set_opt(sbi->s_mount_opt, NO_UID32);
61645 #ifdef CONFIG_EXT2_FS_XATTR
61646 - if (def_mount_opts & EXT2_DEFM_XATTR_USER)
61647 - set_opt(sbi->s_mount_opt, XATTR_USER);
61648 + /* always enable user xattrs */
61649 + set_opt(sbi->s_mount_opt, XATTR_USER);
61650 #endif
61651 #ifdef CONFIG_EXT2_FS_POSIX_ACL
61652 if (def_mount_opts & EXT2_DEFM_ACL)
61653 diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
61654 index 9142614..97484fa 100644
61655 --- a/fs/ext2/xattr.c
61656 +++ b/fs/ext2/xattr.c
61657 @@ -247,7 +247,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size)
61658 struct buffer_head *bh = NULL;
61659 struct ext2_xattr_entry *entry;
61660 char *end;
61661 - size_t rest = buffer_size;
61662 + size_t rest = buffer_size, total_size = 0;
61663 int error;
61664
61665 ea_idebug(inode, "buffer=%p, buffer_size=%ld",
61666 @@ -305,9 +305,10 @@ bad_block: ext2_error(inode->i_sb, "ext2_xattr_list",
61667 buffer += size;
61668 }
61669 rest -= size;
61670 + total_size += size;
61671 }
61672 }
61673 - error = buffer_size - rest; /* total size */
61674 + error = total_size;
61675
61676 cleanup:
61677 brelse(bh);
61678 diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
61679 index 158b5d4..2432610 100644
61680 --- a/fs/ext3/balloc.c
61681 +++ b/fs/ext3/balloc.c
61682 @@ -1438,10 +1438,10 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi, int use_reservation)
61683
61684 free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
61685 root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
61686 - if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
61687 + if (free_blocks < root_blocks + 1 &&
61688 !use_reservation && !uid_eq(sbi->s_resuid, current_fsuid()) &&
61689 (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) ||
61690 - !in_group_p (sbi->s_resgid))) {
61691 + !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) {
61692 return 0;
61693 }
61694 return 1;
61695 diff --git a/fs/ext3/super.c b/fs/ext3/super.c
61696 index eb742d0..c19f705 100644
61697 --- a/fs/ext3/super.c
61698 +++ b/fs/ext3/super.c
61699 @@ -649,10 +649,8 @@ static int ext3_show_options(struct seq_file *seq, struct dentry *root)
61700 #ifdef CONFIG_EXT3_FS_XATTR
61701 if (test_opt(sb, XATTR_USER))
61702 seq_puts(seq, ",user_xattr");
61703 - if (!test_opt(sb, XATTR_USER) &&
61704 - (def_mount_opts & EXT3_DEFM_XATTR_USER)) {
61705 + if (!test_opt(sb, XATTR_USER))
61706 seq_puts(seq, ",nouser_xattr");
61707 - }
61708 #endif
61709 #ifdef CONFIG_EXT3_FS_POSIX_ACL
61710 if (test_opt(sb, POSIX_ACL))
61711 @@ -1749,8 +1747,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
61712 if (def_mount_opts & EXT3_DEFM_UID16)
61713 set_opt(sbi->s_mount_opt, NO_UID32);
61714 #ifdef CONFIG_EXT3_FS_XATTR
61715 - if (def_mount_opts & EXT3_DEFM_XATTR_USER)
61716 - set_opt(sbi->s_mount_opt, XATTR_USER);
61717 + /* always enable user xattrs */
61718 + set_opt(sbi->s_mount_opt, XATTR_USER);
61719 #endif
61720 #ifdef CONFIG_EXT3_FS_POSIX_ACL
61721 if (def_mount_opts & EXT3_DEFM_ACL)
61722 diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
61723 index c6874be..f8a6ae8 100644
61724 --- a/fs/ext3/xattr.c
61725 +++ b/fs/ext3/xattr.c
61726 @@ -330,7 +330,7 @@ static int
61727 ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry,
61728 char *buffer, size_t buffer_size)
61729 {
61730 - size_t rest = buffer_size;
61731 + size_t rest = buffer_size, total_size = 0;
61732
61733 for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) {
61734 const struct xattr_handler *handler =
61735 @@ -347,9 +347,10 @@ ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry,
61736 buffer += size;
61737 }
61738 rest -= size;
61739 + total_size += size;
61740 }
61741 }
61742 - return buffer_size - rest;
61743 + return total_size;
61744 }
61745
61746 static int
61747 diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
61748 index 83a6f49..d4e4d03 100644
61749 --- a/fs/ext4/balloc.c
61750 +++ b/fs/ext4/balloc.c
61751 @@ -557,8 +557,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
61752 /* Hm, nope. Are (enough) root reserved clusters available? */
61753 if (uid_eq(sbi->s_resuid, current_fsuid()) ||
61754 (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) ||
61755 - capable(CAP_SYS_RESOURCE) ||
61756 - (flags & EXT4_MB_USE_ROOT_BLOCKS)) {
61757 + (flags & EXT4_MB_USE_ROOT_BLOCKS) ||
61758 + capable_nolog(CAP_SYS_RESOURCE)) {
61759
61760 if (free_clusters >= (nclusters + dirty_clusters +
61761 resv_clusters))
61762 diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
61763 index c55a1fa..9904ebb 100644
61764 --- a/fs/ext4/ext4.h
61765 +++ b/fs/ext4/ext4.h
61766 @@ -1279,19 +1279,19 @@ struct ext4_sb_info {
61767 unsigned long s_mb_last_start;
61768
61769 /* stats for buddy allocator */
61770 - atomic_t s_bal_reqs; /* number of reqs with len > 1 */
61771 - atomic_t s_bal_success; /* we found long enough chunks */
61772 - atomic_t s_bal_allocated; /* in blocks */
61773 - atomic_t s_bal_ex_scanned; /* total extents scanned */
61774 - atomic_t s_bal_goals; /* goal hits */
61775 - atomic_t s_bal_breaks; /* too long searches */
61776 - atomic_t s_bal_2orders; /* 2^order hits */
61777 + atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */
61778 + atomic_unchecked_t s_bal_success; /* we found long enough chunks */
61779 + atomic_unchecked_t s_bal_allocated; /* in blocks */
61780 + atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */
61781 + atomic_unchecked_t s_bal_goals; /* goal hits */
61782 + atomic_unchecked_t s_bal_breaks; /* too long searches */
61783 + atomic_unchecked_t s_bal_2orders; /* 2^order hits */
61784 spinlock_t s_bal_lock;
61785 unsigned long s_mb_buddies_generated;
61786 unsigned long long s_mb_generation_time;
61787 - atomic_t s_mb_lost_chunks;
61788 - atomic_t s_mb_preallocated;
61789 - atomic_t s_mb_discarded;
61790 + atomic_unchecked_t s_mb_lost_chunks;
61791 + atomic_unchecked_t s_mb_preallocated;
61792 + atomic_unchecked_t s_mb_discarded;
61793 atomic_t s_lock_busy;
61794
61795 /* locality groups */
61796 diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
61797 index dbfe15c..9a6ee8d 100644
61798 --- a/fs/ext4/mballoc.c
61799 +++ b/fs/ext4/mballoc.c
61800 @@ -1901,7 +1901,7 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac,
61801 BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len);
61802
61803 if (EXT4_SB(sb)->s_mb_stats)
61804 - atomic_inc(&EXT4_SB(sb)->s_bal_2orders);
61805 + atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders);
61806
61807 break;
61808 }
61809 @@ -2211,7 +2211,7 @@ repeat:
61810 ac->ac_status = AC_STATUS_CONTINUE;
61811 ac->ac_flags |= EXT4_MB_HINT_FIRST;
61812 cr = 3;
61813 - atomic_inc(&sbi->s_mb_lost_chunks);
61814 + atomic_inc_unchecked(&sbi->s_mb_lost_chunks);
61815 goto repeat;
61816 }
61817 }
61818 @@ -2717,25 +2717,25 @@ int ext4_mb_release(struct super_block *sb)
61819 if (sbi->s_mb_stats) {
61820 ext4_msg(sb, KERN_INFO,
61821 "mballoc: %u blocks %u reqs (%u success)",
61822 - atomic_read(&sbi->s_bal_allocated),
61823 - atomic_read(&sbi->s_bal_reqs),
61824 - atomic_read(&sbi->s_bal_success));
61825 + atomic_read_unchecked(&sbi->s_bal_allocated),
61826 + atomic_read_unchecked(&sbi->s_bal_reqs),
61827 + atomic_read_unchecked(&sbi->s_bal_success));
61828 ext4_msg(sb, KERN_INFO,
61829 "mballoc: %u extents scanned, %u goal hits, "
61830 "%u 2^N hits, %u breaks, %u lost",
61831 - atomic_read(&sbi->s_bal_ex_scanned),
61832 - atomic_read(&sbi->s_bal_goals),
61833 - atomic_read(&sbi->s_bal_2orders),
61834 - atomic_read(&sbi->s_bal_breaks),
61835 - atomic_read(&sbi->s_mb_lost_chunks));
61836 + atomic_read_unchecked(&sbi->s_bal_ex_scanned),
61837 + atomic_read_unchecked(&sbi->s_bal_goals),
61838 + atomic_read_unchecked(&sbi->s_bal_2orders),
61839 + atomic_read_unchecked(&sbi->s_bal_breaks),
61840 + atomic_read_unchecked(&sbi->s_mb_lost_chunks));
61841 ext4_msg(sb, KERN_INFO,
61842 "mballoc: %lu generated and it took %Lu",
61843 sbi->s_mb_buddies_generated,
61844 sbi->s_mb_generation_time);
61845 ext4_msg(sb, KERN_INFO,
61846 "mballoc: %u preallocated, %u discarded",
61847 - atomic_read(&sbi->s_mb_preallocated),
61848 - atomic_read(&sbi->s_mb_discarded));
61849 + atomic_read_unchecked(&sbi->s_mb_preallocated),
61850 + atomic_read_unchecked(&sbi->s_mb_discarded));
61851 }
61852
61853 free_percpu(sbi->s_locality_groups);
61854 @@ -3191,16 +3191,16 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac)
61855 struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
61856
61857 if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) {
61858 - atomic_inc(&sbi->s_bal_reqs);
61859 - atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
61860 + atomic_inc_unchecked(&sbi->s_bal_reqs);
61861 + atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated);
61862 if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len)
61863 - atomic_inc(&sbi->s_bal_success);
61864 - atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned);
61865 + atomic_inc_unchecked(&sbi->s_bal_success);
61866 + atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned);
61867 if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start &&
61868 ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group)
61869 - atomic_inc(&sbi->s_bal_goals);
61870 + atomic_inc_unchecked(&sbi->s_bal_goals);
61871 if (ac->ac_found > sbi->s_mb_max_to_scan)
61872 - atomic_inc(&sbi->s_bal_breaks);
61873 + atomic_inc_unchecked(&sbi->s_bal_breaks);
61874 }
61875
61876 if (ac->ac_op == EXT4_MB_HISTORY_ALLOC)
61877 @@ -3627,7 +3627,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
61878 trace_ext4_mb_new_inode_pa(ac, pa);
61879
61880 ext4_mb_use_inode_pa(ac, pa);
61881 - atomic_add(pa->pa_free, &sbi->s_mb_preallocated);
61882 + atomic_add_unchecked(pa->pa_free, &sbi->s_mb_preallocated);
61883
61884 ei = EXT4_I(ac->ac_inode);
61885 grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
61886 @@ -3687,7 +3687,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
61887 trace_ext4_mb_new_group_pa(ac, pa);
61888
61889 ext4_mb_use_group_pa(ac, pa);
61890 - atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
61891 + atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated);
61892
61893 grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group);
61894 lg = ac->ac_lg;
61895 @@ -3776,7 +3776,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
61896 * from the bitmap and continue.
61897 */
61898 }
61899 - atomic_add(free, &sbi->s_mb_discarded);
61900 + atomic_add_unchecked(free, &sbi->s_mb_discarded);
61901
61902 return err;
61903 }
61904 @@ -3794,7 +3794,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
61905 ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
61906 BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
61907 mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len);
61908 - atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
61909 + atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
61910 trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len);
61911
61912 return 0;
61913 diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
61914 index 8313ca3..8a37d08 100644
61915 --- a/fs/ext4/mmp.c
61916 +++ b/fs/ext4/mmp.c
61917 @@ -111,7 +111,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh,
61918 void __dump_mmp_msg(struct super_block *sb, struct mmp_struct *mmp,
61919 const char *function, unsigned int line, const char *msg)
61920 {
61921 - __ext4_warning(sb, function, line, msg);
61922 + __ext4_warning(sb, function, line, "%s", msg);
61923 __ext4_warning(sb, function, line,
61924 "MMP failure info: last update time: %llu, last update "
61925 "node: %s, last update device: %s\n",
61926 diff --git a/fs/ext4/super.c b/fs/ext4/super.c
61927 index 2c9e686..6a40edc 100644
61928 --- a/fs/ext4/super.c
61929 +++ b/fs/ext4/super.c
61930 @@ -1254,7 +1254,7 @@ static ext4_fsblk_t get_sb_block(void **data)
61931 }
61932
61933 #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
61934 -static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n"
61935 +static const char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n"
61936 "Contact linux-ext4@vger.kernel.org if you think we should keep it.\n";
61937
61938 #ifdef CONFIG_QUOTA
61939 @@ -2434,7 +2434,7 @@ struct ext4_attr {
61940 int offset;
61941 int deprecated_val;
61942 } u;
61943 -};
61944 +} __do_const;
61945
61946 static int parse_strtoull(const char *buf,
61947 unsigned long long max, unsigned long long *value)
61948 diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
61949 index 1e09fc7..0400dd4 100644
61950 --- a/fs/ext4/xattr.c
61951 +++ b/fs/ext4/xattr.c
61952 @@ -399,7 +399,7 @@ static int
61953 ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry,
61954 char *buffer, size_t buffer_size)
61955 {
61956 - size_t rest = buffer_size;
61957 + size_t rest = buffer_size, total_size = 0;
61958
61959 for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
61960 const struct xattr_handler *handler =
61961 @@ -416,9 +416,10 @@ ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry,
61962 buffer += size;
61963 }
61964 rest -= size;
61965 + total_size += size;
61966 }
61967 }
61968 - return buffer_size - rest;
61969 + return total_size;
61970 }
61971
61972 static int
61973 diff --git a/fs/fcntl.c b/fs/fcntl.c
61974 index 99d440a..eb979d1 100644
61975 --- a/fs/fcntl.c
61976 +++ b/fs/fcntl.c
61977 @@ -102,6 +102,10 @@ void __f_setown(struct file *filp, struct pid *pid, enum pid_type type,
61978 int force)
61979 {
61980 security_file_set_fowner(filp);
61981 + if (gr_handle_chroot_fowner(pid, type))
61982 + return;
61983 + if (gr_check_protected_task_fowner(pid, type))
61984 + return;
61985 f_modown(filp, pid, type, force);
61986 }
61987 EXPORT_SYMBOL(__f_setown);
61988 diff --git a/fs/fhandle.c b/fs/fhandle.c
61989 index 999ff5c..2281df9 100644
61990 --- a/fs/fhandle.c
61991 +++ b/fs/fhandle.c
61992 @@ -8,6 +8,7 @@
61993 #include <linux/fs_struct.h>
61994 #include <linux/fsnotify.h>
61995 #include <linux/personality.h>
61996 +#include <linux/grsecurity.h>
61997 #include <asm/uaccess.h>
61998 #include "internal.h"
61999 #include "mount.h"
62000 @@ -67,8 +68,7 @@ static long do_sys_name_to_handle(struct path *path,
62001 } else
62002 retval = 0;
62003 /* copy the mount id */
62004 - if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id,
62005 - sizeof(*mnt_id)) ||
62006 + if (put_user(real_mount(path->mnt)->mnt_id, mnt_id) ||
62007 copy_to_user(ufh, handle,
62008 sizeof(struct file_handle) + handle_bytes))
62009 retval = -EFAULT;
62010 @@ -175,7 +175,7 @@ static int handle_to_path(int mountdirfd, struct file_handle __user *ufh,
62011 * the directory. Ideally we would like CAP_DAC_SEARCH.
62012 * But we don't have that
62013 */
62014 - if (!capable(CAP_DAC_READ_SEARCH)) {
62015 + if (!capable(CAP_DAC_READ_SEARCH) || !gr_chroot_fhandle()) {
62016 retval = -EPERM;
62017 goto out_err;
62018 }
62019 @@ -195,8 +195,9 @@ static int handle_to_path(int mountdirfd, struct file_handle __user *ufh,
62020 goto out_err;
62021 }
62022 /* copy the full handle */
62023 - if (copy_from_user(handle, ufh,
62024 - sizeof(struct file_handle) +
62025 + *handle = f_handle;
62026 + if (copy_from_user(&handle->f_handle,
62027 + &ufh->f_handle,
62028 f_handle.handle_bytes)) {
62029 retval = -EFAULT;
62030 goto out_handle;
62031 diff --git a/fs/file.c b/fs/file.c
62032 index ab3eb6a..8de2392 100644
62033 --- a/fs/file.c
62034 +++ b/fs/file.c
62035 @@ -16,6 +16,7 @@
62036 #include <linux/slab.h>
62037 #include <linux/vmalloc.h>
62038 #include <linux/file.h>
62039 +#include <linux/security.h>
62040 #include <linux/fdtable.h>
62041 #include <linux/bitops.h>
62042 #include <linux/interrupt.h>
62043 @@ -139,7 +140,7 @@ out:
62044 * Return <0 error code on error; 1 on successful completion.
62045 * The files->file_lock should be held on entry, and will be held on exit.
62046 */
62047 -static int expand_fdtable(struct files_struct *files, int nr)
62048 +static int expand_fdtable(struct files_struct *files, unsigned int nr)
62049 __releases(files->file_lock)
62050 __acquires(files->file_lock)
62051 {
62052 @@ -184,7 +185,7 @@ static int expand_fdtable(struct files_struct *files, int nr)
62053 * expanded and execution may have blocked.
62054 * The files->file_lock should be held on entry, and will be held on exit.
62055 */
62056 -static int expand_files(struct files_struct *files, int nr)
62057 +static int expand_files(struct files_struct *files, unsigned int nr)
62058 {
62059 struct fdtable *fdt;
62060
62061 @@ -800,6 +801,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags)
62062 if (!file)
62063 return __close_fd(files, fd);
62064
62065 + gr_learn_resource(current, RLIMIT_NOFILE, fd, 0);
62066 if (fd >= rlimit(RLIMIT_NOFILE))
62067 return -EBADF;
62068
62069 @@ -826,6 +828,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
62070 if (unlikely(oldfd == newfd))
62071 return -EINVAL;
62072
62073 + gr_learn_resource(current, RLIMIT_NOFILE, newfd, 0);
62074 if (newfd >= rlimit(RLIMIT_NOFILE))
62075 return -EBADF;
62076
62077 @@ -881,6 +884,7 @@ SYSCALL_DEFINE1(dup, unsigned int, fildes)
62078 int f_dupfd(unsigned int from, struct file *file, unsigned flags)
62079 {
62080 int err;
62081 + gr_learn_resource(current, RLIMIT_NOFILE, from, 0);
62082 if (from >= rlimit(RLIMIT_NOFILE))
62083 return -EINVAL;
62084 err = alloc_fd(from, flags);
62085 diff --git a/fs/filesystems.c b/fs/filesystems.c
62086 index 5797d45..7d7d79a 100644
62087 --- a/fs/filesystems.c
62088 +++ b/fs/filesystems.c
62089 @@ -275,7 +275,11 @@ struct file_system_type *get_fs_type(const char *name)
62090 int len = dot ? dot - name : strlen(name);
62091
62092 fs = __get_fs_type(name, len);
62093 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
62094 + if (!fs && (___request_module(true, "grsec_modharden_fs", "fs-%.*s", len, name) == 0))
62095 +#else
62096 if (!fs && (request_module("fs-%.*s", len, name) == 0))
62097 +#endif
62098 fs = __get_fs_type(name, len);
62099
62100 if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
62101 diff --git a/fs/fs_struct.c b/fs/fs_struct.c
62102 index 7dca743..f5e007d 100644
62103 --- a/fs/fs_struct.c
62104 +++ b/fs/fs_struct.c
62105 @@ -4,6 +4,7 @@
62106 #include <linux/path.h>
62107 #include <linux/slab.h>
62108 #include <linux/fs_struct.h>
62109 +#include <linux/grsecurity.h>
62110 #include "internal.h"
62111
62112 /*
62113 @@ -15,14 +16,18 @@ void set_fs_root(struct fs_struct *fs, const struct path *path)
62114 struct path old_root;
62115
62116 path_get(path);
62117 + gr_inc_chroot_refcnts(path->dentry, path->mnt);
62118 spin_lock(&fs->lock);
62119 write_seqcount_begin(&fs->seq);
62120 old_root = fs->root;
62121 fs->root = *path;
62122 + gr_set_chroot_entries(current, path);
62123 write_seqcount_end(&fs->seq);
62124 spin_unlock(&fs->lock);
62125 - if (old_root.dentry)
62126 + if (old_root.dentry) {
62127 + gr_inc_chroot_refcnts(old_root.dentry, old_root.mnt);
62128 path_put(&old_root);
62129 + }
62130 }
62131
62132 /*
62133 @@ -67,6 +72,10 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root)
62134 int hits = 0;
62135 spin_lock(&fs->lock);
62136 write_seqcount_begin(&fs->seq);
62137 + /* this root replacement is only done by pivot_root,
62138 + leave grsec's chroot tagging alone for this task
62139 + so that a pivoted root isn't treated as a chroot
62140 + */
62141 hits += replace_path(&fs->root, old_root, new_root);
62142 hits += replace_path(&fs->pwd, old_root, new_root);
62143 write_seqcount_end(&fs->seq);
62144 @@ -85,6 +94,7 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root)
62145
62146 void free_fs_struct(struct fs_struct *fs)
62147 {
62148 + gr_dec_chroot_refcnts(fs->root.dentry, fs->root.mnt);
62149 path_put(&fs->root);
62150 path_put(&fs->pwd);
62151 kmem_cache_free(fs_cachep, fs);
62152 @@ -99,7 +109,8 @@ void exit_fs(struct task_struct *tsk)
62153 task_lock(tsk);
62154 spin_lock(&fs->lock);
62155 tsk->fs = NULL;
62156 - kill = !--fs->users;
62157 + gr_clear_chroot_entries(tsk);
62158 + kill = !atomic_dec_return(&fs->users);
62159 spin_unlock(&fs->lock);
62160 task_unlock(tsk);
62161 if (kill)
62162 @@ -112,7 +123,7 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
62163 struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL);
62164 /* We don't need to lock fs - think why ;-) */
62165 if (fs) {
62166 - fs->users = 1;
62167 + atomic_set(&fs->users, 1);
62168 fs->in_exec = 0;
62169 spin_lock_init(&fs->lock);
62170 seqcount_init(&fs->seq);
62171 @@ -121,6 +132,9 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old)
62172 spin_lock(&old->lock);
62173 fs->root = old->root;
62174 path_get(&fs->root);
62175 + /* instead of calling gr_set_chroot_entries here,
62176 + we call it from every caller of this function
62177 + */
62178 fs->pwd = old->pwd;
62179 path_get(&fs->pwd);
62180 spin_unlock(&old->lock);
62181 @@ -139,8 +153,9 @@ int unshare_fs_struct(void)
62182
62183 task_lock(current);
62184 spin_lock(&fs->lock);
62185 - kill = !--fs->users;
62186 + kill = !atomic_dec_return(&fs->users);
62187 current->fs = new_fs;
62188 + gr_set_chroot_entries(current, &new_fs->root);
62189 spin_unlock(&fs->lock);
62190 task_unlock(current);
62191
62192 @@ -153,13 +168,13 @@ EXPORT_SYMBOL_GPL(unshare_fs_struct);
62193
62194 int current_umask(void)
62195 {
62196 - return current->fs->umask;
62197 + return current->fs->umask | gr_acl_umask();
62198 }
62199 EXPORT_SYMBOL(current_umask);
62200
62201 /* to be mentioned only in INIT_TASK */
62202 struct fs_struct init_fs = {
62203 - .users = 1,
62204 + .users = ATOMIC_INIT(1),
62205 .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock),
62206 .seq = SEQCNT_ZERO(init_fs.seq),
62207 .umask = 0022,
62208 diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
62209 index 89acec7..a575262 100644
62210 --- a/fs/fscache/cookie.c
62211 +++ b/fs/fscache/cookie.c
62212 @@ -19,7 +19,7 @@
62213
62214 struct kmem_cache *fscache_cookie_jar;
62215
62216 -static atomic_t fscache_object_debug_id = ATOMIC_INIT(0);
62217 +static atomic_unchecked_t fscache_object_debug_id = ATOMIC_INIT(0);
62218
62219 static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie);
62220 static int fscache_alloc_object(struct fscache_cache *cache,
62221 @@ -69,11 +69,11 @@ struct fscache_cookie *__fscache_acquire_cookie(
62222 parent ? (char *) parent->def->name : "<no-parent>",
62223 def->name, netfs_data, enable);
62224
62225 - fscache_stat(&fscache_n_acquires);
62226 + fscache_stat_unchecked(&fscache_n_acquires);
62227
62228 /* if there's no parent cookie, then we don't create one here either */
62229 if (!parent) {
62230 - fscache_stat(&fscache_n_acquires_null);
62231 + fscache_stat_unchecked(&fscache_n_acquires_null);
62232 _leave(" [no parent]");
62233 return NULL;
62234 }
62235 @@ -88,7 +88,7 @@ struct fscache_cookie *__fscache_acquire_cookie(
62236 /* allocate and initialise a cookie */
62237 cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL);
62238 if (!cookie) {
62239 - fscache_stat(&fscache_n_acquires_oom);
62240 + fscache_stat_unchecked(&fscache_n_acquires_oom);
62241 _leave(" [ENOMEM]");
62242 return NULL;
62243 }
62244 @@ -115,13 +115,13 @@ struct fscache_cookie *__fscache_acquire_cookie(
62245
62246 switch (cookie->def->type) {
62247 case FSCACHE_COOKIE_TYPE_INDEX:
62248 - fscache_stat(&fscache_n_cookie_index);
62249 + fscache_stat_unchecked(&fscache_n_cookie_index);
62250 break;
62251 case FSCACHE_COOKIE_TYPE_DATAFILE:
62252 - fscache_stat(&fscache_n_cookie_data);
62253 + fscache_stat_unchecked(&fscache_n_cookie_data);
62254 break;
62255 default:
62256 - fscache_stat(&fscache_n_cookie_special);
62257 + fscache_stat_unchecked(&fscache_n_cookie_special);
62258 break;
62259 }
62260
62261 @@ -135,7 +135,7 @@ struct fscache_cookie *__fscache_acquire_cookie(
62262 } else {
62263 atomic_dec(&parent->n_children);
62264 __fscache_cookie_put(cookie);
62265 - fscache_stat(&fscache_n_acquires_nobufs);
62266 + fscache_stat_unchecked(&fscache_n_acquires_nobufs);
62267 _leave(" = NULL");
62268 return NULL;
62269 }
62270 @@ -144,7 +144,7 @@ struct fscache_cookie *__fscache_acquire_cookie(
62271 }
62272 }
62273
62274 - fscache_stat(&fscache_n_acquires_ok);
62275 + fscache_stat_unchecked(&fscache_n_acquires_ok);
62276 _leave(" = %p", cookie);
62277 return cookie;
62278 }
62279 @@ -213,7 +213,7 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie)
62280 cache = fscache_select_cache_for_object(cookie->parent);
62281 if (!cache) {
62282 up_read(&fscache_addremove_sem);
62283 - fscache_stat(&fscache_n_acquires_no_cache);
62284 + fscache_stat_unchecked(&fscache_n_acquires_no_cache);
62285 _leave(" = -ENOMEDIUM [no cache]");
62286 return -ENOMEDIUM;
62287 }
62288 @@ -297,14 +297,14 @@ static int fscache_alloc_object(struct fscache_cache *cache,
62289 object = cache->ops->alloc_object(cache, cookie);
62290 fscache_stat_d(&fscache_n_cop_alloc_object);
62291 if (IS_ERR(object)) {
62292 - fscache_stat(&fscache_n_object_no_alloc);
62293 + fscache_stat_unchecked(&fscache_n_object_no_alloc);
62294 ret = PTR_ERR(object);
62295 goto error;
62296 }
62297
62298 - fscache_stat(&fscache_n_object_alloc);
62299 + fscache_stat_unchecked(&fscache_n_object_alloc);
62300
62301 - object->debug_id = atomic_inc_return(&fscache_object_debug_id);
62302 + object->debug_id = atomic_inc_return_unchecked(&fscache_object_debug_id);
62303
62304 _debug("ALLOC OBJ%x: %s {%lx}",
62305 object->debug_id, cookie->def->name, object->events);
62306 @@ -418,7 +418,7 @@ void __fscache_invalidate(struct fscache_cookie *cookie)
62307
62308 _enter("{%s}", cookie->def->name);
62309
62310 - fscache_stat(&fscache_n_invalidates);
62311 + fscache_stat_unchecked(&fscache_n_invalidates);
62312
62313 /* Only permit invalidation of data files. Invalidating an index will
62314 * require the caller to release all its attachments to the tree rooted
62315 @@ -476,10 +476,10 @@ void __fscache_update_cookie(struct fscache_cookie *cookie)
62316 {
62317 struct fscache_object *object;
62318
62319 - fscache_stat(&fscache_n_updates);
62320 + fscache_stat_unchecked(&fscache_n_updates);
62321
62322 if (!cookie) {
62323 - fscache_stat(&fscache_n_updates_null);
62324 + fscache_stat_unchecked(&fscache_n_updates_null);
62325 _leave(" [no cookie]");
62326 return;
62327 }
62328 @@ -580,12 +580,12 @@ EXPORT_SYMBOL(__fscache_disable_cookie);
62329 */
62330 void __fscache_relinquish_cookie(struct fscache_cookie *cookie, bool retire)
62331 {
62332 - fscache_stat(&fscache_n_relinquishes);
62333 + fscache_stat_unchecked(&fscache_n_relinquishes);
62334 if (retire)
62335 - fscache_stat(&fscache_n_relinquishes_retire);
62336 + fscache_stat_unchecked(&fscache_n_relinquishes_retire);
62337
62338 if (!cookie) {
62339 - fscache_stat(&fscache_n_relinquishes_null);
62340 + fscache_stat_unchecked(&fscache_n_relinquishes_null);
62341 _leave(" [no cookie]");
62342 return;
62343 }
62344 @@ -686,7 +686,7 @@ int __fscache_check_consistency(struct fscache_cookie *cookie)
62345 if (test_bit(FSCACHE_IOERROR, &object->cache->flags))
62346 goto inconsistent;
62347
62348 - op->debug_id = atomic_inc_return(&fscache_op_debug_id);
62349 + op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
62350
62351 __fscache_use_cookie(cookie);
62352 if (fscache_submit_op(object, op) < 0)
62353 diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
62354 index 7872a62..d91b19f 100644
62355 --- a/fs/fscache/internal.h
62356 +++ b/fs/fscache/internal.h
62357 @@ -137,8 +137,8 @@ extern void fscache_operation_gc(struct work_struct *);
62358 extern int fscache_wait_for_deferred_lookup(struct fscache_cookie *);
62359 extern int fscache_wait_for_operation_activation(struct fscache_object *,
62360 struct fscache_operation *,
62361 - atomic_t *,
62362 - atomic_t *,
62363 + atomic_unchecked_t *,
62364 + atomic_unchecked_t *,
62365 void (*)(struct fscache_operation *));
62366 extern void fscache_invalidate_writes(struct fscache_cookie *);
62367
62368 @@ -157,101 +157,101 @@ extern void fscache_proc_cleanup(void);
62369 * stats.c
62370 */
62371 #ifdef CONFIG_FSCACHE_STATS
62372 -extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
62373 -extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS];
62374 +extern atomic_unchecked_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
62375 +extern atomic_unchecked_t fscache_n_objs_processed[FSCACHE_MAX_THREADS];
62376
62377 -extern atomic_t fscache_n_op_pend;
62378 -extern atomic_t fscache_n_op_run;
62379 -extern atomic_t fscache_n_op_enqueue;
62380 -extern atomic_t fscache_n_op_deferred_release;
62381 -extern atomic_t fscache_n_op_release;
62382 -extern atomic_t fscache_n_op_gc;
62383 -extern atomic_t fscache_n_op_cancelled;
62384 -extern atomic_t fscache_n_op_rejected;
62385 +extern atomic_unchecked_t fscache_n_op_pend;
62386 +extern atomic_unchecked_t fscache_n_op_run;
62387 +extern atomic_unchecked_t fscache_n_op_enqueue;
62388 +extern atomic_unchecked_t fscache_n_op_deferred_release;
62389 +extern atomic_unchecked_t fscache_n_op_release;
62390 +extern atomic_unchecked_t fscache_n_op_gc;
62391 +extern atomic_unchecked_t fscache_n_op_cancelled;
62392 +extern atomic_unchecked_t fscache_n_op_rejected;
62393
62394 -extern atomic_t fscache_n_attr_changed;
62395 -extern atomic_t fscache_n_attr_changed_ok;
62396 -extern atomic_t fscache_n_attr_changed_nobufs;
62397 -extern atomic_t fscache_n_attr_changed_nomem;
62398 -extern atomic_t fscache_n_attr_changed_calls;
62399 +extern atomic_unchecked_t fscache_n_attr_changed;
62400 +extern atomic_unchecked_t fscache_n_attr_changed_ok;
62401 +extern atomic_unchecked_t fscache_n_attr_changed_nobufs;
62402 +extern atomic_unchecked_t fscache_n_attr_changed_nomem;
62403 +extern atomic_unchecked_t fscache_n_attr_changed_calls;
62404
62405 -extern atomic_t fscache_n_allocs;
62406 -extern atomic_t fscache_n_allocs_ok;
62407 -extern atomic_t fscache_n_allocs_wait;
62408 -extern atomic_t fscache_n_allocs_nobufs;
62409 -extern atomic_t fscache_n_allocs_intr;
62410 -extern atomic_t fscache_n_allocs_object_dead;
62411 -extern atomic_t fscache_n_alloc_ops;
62412 -extern atomic_t fscache_n_alloc_op_waits;
62413 +extern atomic_unchecked_t fscache_n_allocs;
62414 +extern atomic_unchecked_t fscache_n_allocs_ok;
62415 +extern atomic_unchecked_t fscache_n_allocs_wait;
62416 +extern atomic_unchecked_t fscache_n_allocs_nobufs;
62417 +extern atomic_unchecked_t fscache_n_allocs_intr;
62418 +extern atomic_unchecked_t fscache_n_allocs_object_dead;
62419 +extern atomic_unchecked_t fscache_n_alloc_ops;
62420 +extern atomic_unchecked_t fscache_n_alloc_op_waits;
62421
62422 -extern atomic_t fscache_n_retrievals;
62423 -extern atomic_t fscache_n_retrievals_ok;
62424 -extern atomic_t fscache_n_retrievals_wait;
62425 -extern atomic_t fscache_n_retrievals_nodata;
62426 -extern atomic_t fscache_n_retrievals_nobufs;
62427 -extern atomic_t fscache_n_retrievals_intr;
62428 -extern atomic_t fscache_n_retrievals_nomem;
62429 -extern atomic_t fscache_n_retrievals_object_dead;
62430 -extern atomic_t fscache_n_retrieval_ops;
62431 -extern atomic_t fscache_n_retrieval_op_waits;
62432 +extern atomic_unchecked_t fscache_n_retrievals;
62433 +extern atomic_unchecked_t fscache_n_retrievals_ok;
62434 +extern atomic_unchecked_t fscache_n_retrievals_wait;
62435 +extern atomic_unchecked_t fscache_n_retrievals_nodata;
62436 +extern atomic_unchecked_t fscache_n_retrievals_nobufs;
62437 +extern atomic_unchecked_t fscache_n_retrievals_intr;
62438 +extern atomic_unchecked_t fscache_n_retrievals_nomem;
62439 +extern atomic_unchecked_t fscache_n_retrievals_object_dead;
62440 +extern atomic_unchecked_t fscache_n_retrieval_ops;
62441 +extern atomic_unchecked_t fscache_n_retrieval_op_waits;
62442
62443 -extern atomic_t fscache_n_stores;
62444 -extern atomic_t fscache_n_stores_ok;
62445 -extern atomic_t fscache_n_stores_again;
62446 -extern atomic_t fscache_n_stores_nobufs;
62447 -extern atomic_t fscache_n_stores_oom;
62448 -extern atomic_t fscache_n_store_ops;
62449 -extern atomic_t fscache_n_store_calls;
62450 -extern atomic_t fscache_n_store_pages;
62451 -extern atomic_t fscache_n_store_radix_deletes;
62452 -extern atomic_t fscache_n_store_pages_over_limit;
62453 +extern atomic_unchecked_t fscache_n_stores;
62454 +extern atomic_unchecked_t fscache_n_stores_ok;
62455 +extern atomic_unchecked_t fscache_n_stores_again;
62456 +extern atomic_unchecked_t fscache_n_stores_nobufs;
62457 +extern atomic_unchecked_t fscache_n_stores_oom;
62458 +extern atomic_unchecked_t fscache_n_store_ops;
62459 +extern atomic_unchecked_t fscache_n_store_calls;
62460 +extern atomic_unchecked_t fscache_n_store_pages;
62461 +extern atomic_unchecked_t fscache_n_store_radix_deletes;
62462 +extern atomic_unchecked_t fscache_n_store_pages_over_limit;
62463
62464 -extern atomic_t fscache_n_store_vmscan_not_storing;
62465 -extern atomic_t fscache_n_store_vmscan_gone;
62466 -extern atomic_t fscache_n_store_vmscan_busy;
62467 -extern atomic_t fscache_n_store_vmscan_cancelled;
62468 -extern atomic_t fscache_n_store_vmscan_wait;
62469 +extern atomic_unchecked_t fscache_n_store_vmscan_not_storing;
62470 +extern atomic_unchecked_t fscache_n_store_vmscan_gone;
62471 +extern atomic_unchecked_t fscache_n_store_vmscan_busy;
62472 +extern atomic_unchecked_t fscache_n_store_vmscan_cancelled;
62473 +extern atomic_unchecked_t fscache_n_store_vmscan_wait;
62474
62475 -extern atomic_t fscache_n_marks;
62476 -extern atomic_t fscache_n_uncaches;
62477 +extern atomic_unchecked_t fscache_n_marks;
62478 +extern atomic_unchecked_t fscache_n_uncaches;
62479
62480 -extern atomic_t fscache_n_acquires;
62481 -extern atomic_t fscache_n_acquires_null;
62482 -extern atomic_t fscache_n_acquires_no_cache;
62483 -extern atomic_t fscache_n_acquires_ok;
62484 -extern atomic_t fscache_n_acquires_nobufs;
62485 -extern atomic_t fscache_n_acquires_oom;
62486 +extern atomic_unchecked_t fscache_n_acquires;
62487 +extern atomic_unchecked_t fscache_n_acquires_null;
62488 +extern atomic_unchecked_t fscache_n_acquires_no_cache;
62489 +extern atomic_unchecked_t fscache_n_acquires_ok;
62490 +extern atomic_unchecked_t fscache_n_acquires_nobufs;
62491 +extern atomic_unchecked_t fscache_n_acquires_oom;
62492
62493 -extern atomic_t fscache_n_invalidates;
62494 -extern atomic_t fscache_n_invalidates_run;
62495 +extern atomic_unchecked_t fscache_n_invalidates;
62496 +extern atomic_unchecked_t fscache_n_invalidates_run;
62497
62498 -extern atomic_t fscache_n_updates;
62499 -extern atomic_t fscache_n_updates_null;
62500 -extern atomic_t fscache_n_updates_run;
62501 +extern atomic_unchecked_t fscache_n_updates;
62502 +extern atomic_unchecked_t fscache_n_updates_null;
62503 +extern atomic_unchecked_t fscache_n_updates_run;
62504
62505 -extern atomic_t fscache_n_relinquishes;
62506 -extern atomic_t fscache_n_relinquishes_null;
62507 -extern atomic_t fscache_n_relinquishes_waitcrt;
62508 -extern atomic_t fscache_n_relinquishes_retire;
62509 +extern atomic_unchecked_t fscache_n_relinquishes;
62510 +extern atomic_unchecked_t fscache_n_relinquishes_null;
62511 +extern atomic_unchecked_t fscache_n_relinquishes_waitcrt;
62512 +extern atomic_unchecked_t fscache_n_relinquishes_retire;
62513
62514 -extern atomic_t fscache_n_cookie_index;
62515 -extern atomic_t fscache_n_cookie_data;
62516 -extern atomic_t fscache_n_cookie_special;
62517 +extern atomic_unchecked_t fscache_n_cookie_index;
62518 +extern atomic_unchecked_t fscache_n_cookie_data;
62519 +extern atomic_unchecked_t fscache_n_cookie_special;
62520
62521 -extern atomic_t fscache_n_object_alloc;
62522 -extern atomic_t fscache_n_object_no_alloc;
62523 -extern atomic_t fscache_n_object_lookups;
62524 -extern atomic_t fscache_n_object_lookups_negative;
62525 -extern atomic_t fscache_n_object_lookups_positive;
62526 -extern atomic_t fscache_n_object_lookups_timed_out;
62527 -extern atomic_t fscache_n_object_created;
62528 -extern atomic_t fscache_n_object_avail;
62529 -extern atomic_t fscache_n_object_dead;
62530 +extern atomic_unchecked_t fscache_n_object_alloc;
62531 +extern atomic_unchecked_t fscache_n_object_no_alloc;
62532 +extern atomic_unchecked_t fscache_n_object_lookups;
62533 +extern atomic_unchecked_t fscache_n_object_lookups_negative;
62534 +extern atomic_unchecked_t fscache_n_object_lookups_positive;
62535 +extern atomic_unchecked_t fscache_n_object_lookups_timed_out;
62536 +extern atomic_unchecked_t fscache_n_object_created;
62537 +extern atomic_unchecked_t fscache_n_object_avail;
62538 +extern atomic_unchecked_t fscache_n_object_dead;
62539
62540 -extern atomic_t fscache_n_checkaux_none;
62541 -extern atomic_t fscache_n_checkaux_okay;
62542 -extern atomic_t fscache_n_checkaux_update;
62543 -extern atomic_t fscache_n_checkaux_obsolete;
62544 +extern atomic_unchecked_t fscache_n_checkaux_none;
62545 +extern atomic_unchecked_t fscache_n_checkaux_okay;
62546 +extern atomic_unchecked_t fscache_n_checkaux_update;
62547 +extern atomic_unchecked_t fscache_n_checkaux_obsolete;
62548
62549 extern atomic_t fscache_n_cop_alloc_object;
62550 extern atomic_t fscache_n_cop_lookup_object;
62551 @@ -276,6 +276,11 @@ static inline void fscache_stat(atomic_t *stat)
62552 atomic_inc(stat);
62553 }
62554
62555 +static inline void fscache_stat_unchecked(atomic_unchecked_t *stat)
62556 +{
62557 + atomic_inc_unchecked(stat);
62558 +}
62559 +
62560 static inline void fscache_stat_d(atomic_t *stat)
62561 {
62562 atomic_dec(stat);
62563 @@ -288,6 +293,7 @@ extern const struct file_operations fscache_stats_fops;
62564
62565 #define __fscache_stat(stat) (NULL)
62566 #define fscache_stat(stat) do {} while (0)
62567 +#define fscache_stat_unchecked(stat) do {} while (0)
62568 #define fscache_stat_d(stat) do {} while (0)
62569 #endif
62570
62571 diff --git a/fs/fscache/object.c b/fs/fscache/object.c
62572 index da032da..0076ce7 100644
62573 --- a/fs/fscache/object.c
62574 +++ b/fs/fscache/object.c
62575 @@ -454,7 +454,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object
62576 _debug("LOOKUP \"%s\" in \"%s\"",
62577 cookie->def->name, object->cache->tag->name);
62578
62579 - fscache_stat(&fscache_n_object_lookups);
62580 + fscache_stat_unchecked(&fscache_n_object_lookups);
62581 fscache_stat(&fscache_n_cop_lookup_object);
62582 ret = object->cache->ops->lookup_object(object);
62583 fscache_stat_d(&fscache_n_cop_lookup_object);
62584 @@ -464,7 +464,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object
62585 if (ret == -ETIMEDOUT) {
62586 /* probably stuck behind another object, so move this one to
62587 * the back of the queue */
62588 - fscache_stat(&fscache_n_object_lookups_timed_out);
62589 + fscache_stat_unchecked(&fscache_n_object_lookups_timed_out);
62590 _leave(" [timeout]");
62591 return NO_TRANSIT;
62592 }
62593 @@ -492,7 +492,7 @@ void fscache_object_lookup_negative(struct fscache_object *object)
62594 _enter("{OBJ%x,%s}", object->debug_id, object->state->name);
62595
62596 if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) {
62597 - fscache_stat(&fscache_n_object_lookups_negative);
62598 + fscache_stat_unchecked(&fscache_n_object_lookups_negative);
62599
62600 /* Allow write requests to begin stacking up and read requests to begin
62601 * returning ENODATA.
62602 @@ -527,7 +527,7 @@ void fscache_obtained_object(struct fscache_object *object)
62603 /* if we were still looking up, then we must have a positive lookup
62604 * result, in which case there may be data available */
62605 if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) {
62606 - fscache_stat(&fscache_n_object_lookups_positive);
62607 + fscache_stat_unchecked(&fscache_n_object_lookups_positive);
62608
62609 /* We do (presumably) have data */
62610 clear_bit_unlock(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags);
62611 @@ -539,7 +539,7 @@ void fscache_obtained_object(struct fscache_object *object)
62612 clear_bit_unlock(FSCACHE_COOKIE_LOOKING_UP, &cookie->flags);
62613 wake_up_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP);
62614 } else {
62615 - fscache_stat(&fscache_n_object_created);
62616 + fscache_stat_unchecked(&fscache_n_object_created);
62617 }
62618
62619 set_bit(FSCACHE_OBJECT_IS_AVAILABLE, &object->flags);
62620 @@ -575,7 +575,7 @@ static const struct fscache_state *fscache_object_available(struct fscache_objec
62621 fscache_stat_d(&fscache_n_cop_lookup_complete);
62622
62623 fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif);
62624 - fscache_stat(&fscache_n_object_avail);
62625 + fscache_stat_unchecked(&fscache_n_object_avail);
62626
62627 _leave("");
62628 return transit_to(JUMPSTART_DEPS);
62629 @@ -722,7 +722,7 @@ static const struct fscache_state *fscache_drop_object(struct fscache_object *ob
62630
62631 /* this just shifts the object release to the work processor */
62632 fscache_put_object(object);
62633 - fscache_stat(&fscache_n_object_dead);
62634 + fscache_stat_unchecked(&fscache_n_object_dead);
62635
62636 _leave("");
62637 return transit_to(OBJECT_DEAD);
62638 @@ -887,7 +887,7 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
62639 enum fscache_checkaux result;
62640
62641 if (!object->cookie->def->check_aux) {
62642 - fscache_stat(&fscache_n_checkaux_none);
62643 + fscache_stat_unchecked(&fscache_n_checkaux_none);
62644 return FSCACHE_CHECKAUX_OKAY;
62645 }
62646
62647 @@ -896,17 +896,17 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
62648 switch (result) {
62649 /* entry okay as is */
62650 case FSCACHE_CHECKAUX_OKAY:
62651 - fscache_stat(&fscache_n_checkaux_okay);
62652 + fscache_stat_unchecked(&fscache_n_checkaux_okay);
62653 break;
62654
62655 /* entry requires update */
62656 case FSCACHE_CHECKAUX_NEEDS_UPDATE:
62657 - fscache_stat(&fscache_n_checkaux_update);
62658 + fscache_stat_unchecked(&fscache_n_checkaux_update);
62659 break;
62660
62661 /* entry requires deletion */
62662 case FSCACHE_CHECKAUX_OBSOLETE:
62663 - fscache_stat(&fscache_n_checkaux_obsolete);
62664 + fscache_stat_unchecked(&fscache_n_checkaux_obsolete);
62665 break;
62666
62667 default:
62668 @@ -993,7 +993,7 @@ static const struct fscache_state *fscache_invalidate_object(struct fscache_obje
62669 {
62670 const struct fscache_state *s;
62671
62672 - fscache_stat(&fscache_n_invalidates_run);
62673 + fscache_stat_unchecked(&fscache_n_invalidates_run);
62674 fscache_stat(&fscache_n_cop_invalidate_object);
62675 s = _fscache_invalidate_object(object, event);
62676 fscache_stat_d(&fscache_n_cop_invalidate_object);
62677 @@ -1008,7 +1008,7 @@ static const struct fscache_state *fscache_update_object(struct fscache_object *
62678 {
62679 _enter("{OBJ%x},%d", object->debug_id, event);
62680
62681 - fscache_stat(&fscache_n_updates_run);
62682 + fscache_stat_unchecked(&fscache_n_updates_run);
62683 fscache_stat(&fscache_n_cop_update_object);
62684 object->cache->ops->update_object(object);
62685 fscache_stat_d(&fscache_n_cop_update_object);
62686 diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
62687 index e7b87a0..a85d47a 100644
62688 --- a/fs/fscache/operation.c
62689 +++ b/fs/fscache/operation.c
62690 @@ -17,7 +17,7 @@
62691 #include <linux/slab.h>
62692 #include "internal.h"
62693
62694 -atomic_t fscache_op_debug_id;
62695 +atomic_unchecked_t fscache_op_debug_id;
62696 EXPORT_SYMBOL(fscache_op_debug_id);
62697
62698 /**
62699 @@ -39,7 +39,7 @@ void fscache_enqueue_operation(struct fscache_operation *op)
62700 ASSERTCMP(atomic_read(&op->usage), >, 0);
62701 ASSERTCMP(op->state, ==, FSCACHE_OP_ST_IN_PROGRESS);
62702
62703 - fscache_stat(&fscache_n_op_enqueue);
62704 + fscache_stat_unchecked(&fscache_n_op_enqueue);
62705 switch (op->flags & FSCACHE_OP_TYPE) {
62706 case FSCACHE_OP_ASYNC:
62707 _debug("queue async");
62708 @@ -72,7 +72,7 @@ static void fscache_run_op(struct fscache_object *object,
62709 wake_up_bit(&op->flags, FSCACHE_OP_WAITING);
62710 if (op->processor)
62711 fscache_enqueue_operation(op);
62712 - fscache_stat(&fscache_n_op_run);
62713 + fscache_stat_unchecked(&fscache_n_op_run);
62714 }
62715
62716 /*
62717 @@ -104,11 +104,11 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
62718 if (object->n_in_progress > 0) {
62719 atomic_inc(&op->usage);
62720 list_add_tail(&op->pend_link, &object->pending_ops);
62721 - fscache_stat(&fscache_n_op_pend);
62722 + fscache_stat_unchecked(&fscache_n_op_pend);
62723 } else if (!list_empty(&object->pending_ops)) {
62724 atomic_inc(&op->usage);
62725 list_add_tail(&op->pend_link, &object->pending_ops);
62726 - fscache_stat(&fscache_n_op_pend);
62727 + fscache_stat_unchecked(&fscache_n_op_pend);
62728 fscache_start_operations(object);
62729 } else {
62730 ASSERTCMP(object->n_in_progress, ==, 0);
62731 @@ -124,7 +124,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object,
62732 object->n_exclusive++; /* reads and writes must wait */
62733 atomic_inc(&op->usage);
62734 list_add_tail(&op->pend_link, &object->pending_ops);
62735 - fscache_stat(&fscache_n_op_pend);
62736 + fscache_stat_unchecked(&fscache_n_op_pend);
62737 ret = 0;
62738 } else {
62739 /* If we're in any other state, there must have been an I/O
62740 @@ -211,11 +211,11 @@ int fscache_submit_op(struct fscache_object *object,
62741 if (object->n_exclusive > 0) {
62742 atomic_inc(&op->usage);
62743 list_add_tail(&op->pend_link, &object->pending_ops);
62744 - fscache_stat(&fscache_n_op_pend);
62745 + fscache_stat_unchecked(&fscache_n_op_pend);
62746 } else if (!list_empty(&object->pending_ops)) {
62747 atomic_inc(&op->usage);
62748 list_add_tail(&op->pend_link, &object->pending_ops);
62749 - fscache_stat(&fscache_n_op_pend);
62750 + fscache_stat_unchecked(&fscache_n_op_pend);
62751 fscache_start_operations(object);
62752 } else {
62753 ASSERTCMP(object->n_exclusive, ==, 0);
62754 @@ -227,10 +227,10 @@ int fscache_submit_op(struct fscache_object *object,
62755 object->n_ops++;
62756 atomic_inc(&op->usage);
62757 list_add_tail(&op->pend_link, &object->pending_ops);
62758 - fscache_stat(&fscache_n_op_pend);
62759 + fscache_stat_unchecked(&fscache_n_op_pend);
62760 ret = 0;
62761 } else if (fscache_object_is_dying(object)) {
62762 - fscache_stat(&fscache_n_op_rejected);
62763 + fscache_stat_unchecked(&fscache_n_op_rejected);
62764 op->state = FSCACHE_OP_ST_CANCELLED;
62765 ret = -ENOBUFS;
62766 } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) {
62767 @@ -309,7 +309,7 @@ int fscache_cancel_op(struct fscache_operation *op,
62768 ret = -EBUSY;
62769 if (op->state == FSCACHE_OP_ST_PENDING) {
62770 ASSERT(!list_empty(&op->pend_link));
62771 - fscache_stat(&fscache_n_op_cancelled);
62772 + fscache_stat_unchecked(&fscache_n_op_cancelled);
62773 list_del_init(&op->pend_link);
62774 if (do_cancel)
62775 do_cancel(op);
62776 @@ -341,7 +341,7 @@ void fscache_cancel_all_ops(struct fscache_object *object)
62777 while (!list_empty(&object->pending_ops)) {
62778 op = list_entry(object->pending_ops.next,
62779 struct fscache_operation, pend_link);
62780 - fscache_stat(&fscache_n_op_cancelled);
62781 + fscache_stat_unchecked(&fscache_n_op_cancelled);
62782 list_del_init(&op->pend_link);
62783
62784 ASSERTCMP(op->state, ==, FSCACHE_OP_ST_PENDING);
62785 @@ -413,7 +413,7 @@ void fscache_put_operation(struct fscache_operation *op)
62786 op->state, ==, FSCACHE_OP_ST_CANCELLED);
62787 op->state = FSCACHE_OP_ST_DEAD;
62788
62789 - fscache_stat(&fscache_n_op_release);
62790 + fscache_stat_unchecked(&fscache_n_op_release);
62791
62792 if (op->release) {
62793 op->release(op);
62794 @@ -432,7 +432,7 @@ void fscache_put_operation(struct fscache_operation *op)
62795 * lock, and defer it otherwise */
62796 if (!spin_trylock(&object->lock)) {
62797 _debug("defer put");
62798 - fscache_stat(&fscache_n_op_deferred_release);
62799 + fscache_stat_unchecked(&fscache_n_op_deferred_release);
62800
62801 cache = object->cache;
62802 spin_lock(&cache->op_gc_list_lock);
62803 @@ -485,7 +485,7 @@ void fscache_operation_gc(struct work_struct *work)
62804
62805 _debug("GC DEFERRED REL OBJ%x OP%x",
62806 object->debug_id, op->debug_id);
62807 - fscache_stat(&fscache_n_op_gc);
62808 + fscache_stat_unchecked(&fscache_n_op_gc);
62809
62810 ASSERTCMP(atomic_read(&op->usage), ==, 0);
62811 ASSERTCMP(op->state, ==, FSCACHE_OP_ST_DEAD);
62812 diff --git a/fs/fscache/page.c b/fs/fscache/page.c
62813 index de33b3f..8be4d29 100644
62814 --- a/fs/fscache/page.c
62815 +++ b/fs/fscache/page.c
62816 @@ -74,7 +74,7 @@ try_again:
62817 val = radix_tree_lookup(&cookie->stores, page->index);
62818 if (!val) {
62819 rcu_read_unlock();
62820 - fscache_stat(&fscache_n_store_vmscan_not_storing);
62821 + fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing);
62822 __fscache_uncache_page(cookie, page);
62823 return true;
62824 }
62825 @@ -104,11 +104,11 @@ try_again:
62826 spin_unlock(&cookie->stores_lock);
62827
62828 if (xpage) {
62829 - fscache_stat(&fscache_n_store_vmscan_cancelled);
62830 - fscache_stat(&fscache_n_store_radix_deletes);
62831 + fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled);
62832 + fscache_stat_unchecked(&fscache_n_store_radix_deletes);
62833 ASSERTCMP(xpage, ==, page);
62834 } else {
62835 - fscache_stat(&fscache_n_store_vmscan_gone);
62836 + fscache_stat_unchecked(&fscache_n_store_vmscan_gone);
62837 }
62838
62839 wake_up_bit(&cookie->flags, 0);
62840 @@ -123,11 +123,11 @@ page_busy:
62841 * sleeping on memory allocation, so we may need to impose a timeout
62842 * too. */
62843 if (!(gfp & __GFP_WAIT) || !(gfp & __GFP_FS)) {
62844 - fscache_stat(&fscache_n_store_vmscan_busy);
62845 + fscache_stat_unchecked(&fscache_n_store_vmscan_busy);
62846 return false;
62847 }
62848
62849 - fscache_stat(&fscache_n_store_vmscan_wait);
62850 + fscache_stat_unchecked(&fscache_n_store_vmscan_wait);
62851 if (!release_page_wait_timeout(cookie, page))
62852 _debug("fscache writeout timeout page: %p{%lx}",
62853 page, page->index);
62854 @@ -156,7 +156,7 @@ static void fscache_end_page_write(struct fscache_object *object,
62855 FSCACHE_COOKIE_STORING_TAG);
62856 if (!radix_tree_tag_get(&cookie->stores, page->index,
62857 FSCACHE_COOKIE_PENDING_TAG)) {
62858 - fscache_stat(&fscache_n_store_radix_deletes);
62859 + fscache_stat_unchecked(&fscache_n_store_radix_deletes);
62860 xpage = radix_tree_delete(&cookie->stores, page->index);
62861 }
62862 spin_unlock(&cookie->stores_lock);
62863 @@ -177,7 +177,7 @@ static void fscache_attr_changed_op(struct fscache_operation *op)
62864
62865 _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id);
62866
62867 - fscache_stat(&fscache_n_attr_changed_calls);
62868 + fscache_stat_unchecked(&fscache_n_attr_changed_calls);
62869
62870 if (fscache_object_is_active(object)) {
62871 fscache_stat(&fscache_n_cop_attr_changed);
62872 @@ -204,11 +204,11 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
62873
62874 ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
62875
62876 - fscache_stat(&fscache_n_attr_changed);
62877 + fscache_stat_unchecked(&fscache_n_attr_changed);
62878
62879 op = kzalloc(sizeof(*op), GFP_KERNEL);
62880 if (!op) {
62881 - fscache_stat(&fscache_n_attr_changed_nomem);
62882 + fscache_stat_unchecked(&fscache_n_attr_changed_nomem);
62883 _leave(" = -ENOMEM");
62884 return -ENOMEM;
62885 }
62886 @@ -230,7 +230,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie)
62887 if (fscache_submit_exclusive_op(object, op) < 0)
62888 goto nobufs_dec;
62889 spin_unlock(&cookie->lock);
62890 - fscache_stat(&fscache_n_attr_changed_ok);
62891 + fscache_stat_unchecked(&fscache_n_attr_changed_ok);
62892 fscache_put_operation(op);
62893 _leave(" = 0");
62894 return 0;
62895 @@ -242,7 +242,7 @@ nobufs:
62896 kfree(op);
62897 if (wake_cookie)
62898 __fscache_wake_unused_cookie(cookie);
62899 - fscache_stat(&fscache_n_attr_changed_nobufs);
62900 + fscache_stat_unchecked(&fscache_n_attr_changed_nobufs);
62901 _leave(" = %d", -ENOBUFS);
62902 return -ENOBUFS;
62903 }
62904 @@ -281,7 +281,7 @@ static struct fscache_retrieval *fscache_alloc_retrieval(
62905 /* allocate a retrieval operation and attempt to submit it */
62906 op = kzalloc(sizeof(*op), GFP_NOIO);
62907 if (!op) {
62908 - fscache_stat(&fscache_n_retrievals_nomem);
62909 + fscache_stat_unchecked(&fscache_n_retrievals_nomem);
62910 return NULL;
62911 }
62912
62913 @@ -311,12 +311,12 @@ int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie)
62914 return 0;
62915 }
62916
62917 - fscache_stat(&fscache_n_retrievals_wait);
62918 + fscache_stat_unchecked(&fscache_n_retrievals_wait);
62919
62920 jif = jiffies;
62921 if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP,
62922 TASK_INTERRUPTIBLE) != 0) {
62923 - fscache_stat(&fscache_n_retrievals_intr);
62924 + fscache_stat_unchecked(&fscache_n_retrievals_intr);
62925 _leave(" = -ERESTARTSYS");
62926 return -ERESTARTSYS;
62927 }
62928 @@ -345,8 +345,8 @@ static void fscache_do_cancel_retrieval(struct fscache_operation *_op)
62929 */
62930 int fscache_wait_for_operation_activation(struct fscache_object *object,
62931 struct fscache_operation *op,
62932 - atomic_t *stat_op_waits,
62933 - atomic_t *stat_object_dead,
62934 + atomic_unchecked_t *stat_op_waits,
62935 + atomic_unchecked_t *stat_object_dead,
62936 void (*do_cancel)(struct fscache_operation *))
62937 {
62938 int ret;
62939 @@ -356,7 +356,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object,
62940
62941 _debug(">>> WT");
62942 if (stat_op_waits)
62943 - fscache_stat(stat_op_waits);
62944 + fscache_stat_unchecked(stat_op_waits);
62945 if (wait_on_bit(&op->flags, FSCACHE_OP_WAITING,
62946 TASK_INTERRUPTIBLE) != 0) {
62947 ret = fscache_cancel_op(op, do_cancel);
62948 @@ -373,7 +373,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object,
62949 check_if_dead:
62950 if (op->state == FSCACHE_OP_ST_CANCELLED) {
62951 if (stat_object_dead)
62952 - fscache_stat(stat_object_dead);
62953 + fscache_stat_unchecked(stat_object_dead);
62954 _leave(" = -ENOBUFS [cancelled]");
62955 return -ENOBUFS;
62956 }
62957 @@ -381,7 +381,7 @@ check_if_dead:
62958 pr_err("%s() = -ENOBUFS [obj dead %d]\n", __func__, op->state);
62959 fscache_cancel_op(op, do_cancel);
62960 if (stat_object_dead)
62961 - fscache_stat(stat_object_dead);
62962 + fscache_stat_unchecked(stat_object_dead);
62963 return -ENOBUFS;
62964 }
62965 return 0;
62966 @@ -409,7 +409,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
62967
62968 _enter("%p,%p,,,", cookie, page);
62969
62970 - fscache_stat(&fscache_n_retrievals);
62971 + fscache_stat_unchecked(&fscache_n_retrievals);
62972
62973 if (hlist_empty(&cookie->backing_objects))
62974 goto nobufs;
62975 @@ -451,7 +451,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
62976 goto nobufs_unlock_dec;
62977 spin_unlock(&cookie->lock);
62978
62979 - fscache_stat(&fscache_n_retrieval_ops);
62980 + fscache_stat_unchecked(&fscache_n_retrieval_ops);
62981
62982 /* pin the netfs read context in case we need to do the actual netfs
62983 * read because we've encountered a cache read failure */
62984 @@ -482,15 +482,15 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie,
62985
62986 error:
62987 if (ret == -ENOMEM)
62988 - fscache_stat(&fscache_n_retrievals_nomem);
62989 + fscache_stat_unchecked(&fscache_n_retrievals_nomem);
62990 else if (ret == -ERESTARTSYS)
62991 - fscache_stat(&fscache_n_retrievals_intr);
62992 + fscache_stat_unchecked(&fscache_n_retrievals_intr);
62993 else if (ret == -ENODATA)
62994 - fscache_stat(&fscache_n_retrievals_nodata);
62995 + fscache_stat_unchecked(&fscache_n_retrievals_nodata);
62996 else if (ret < 0)
62997 - fscache_stat(&fscache_n_retrievals_nobufs);
62998 + fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
62999 else
63000 - fscache_stat(&fscache_n_retrievals_ok);
63001 + fscache_stat_unchecked(&fscache_n_retrievals_ok);
63002
63003 fscache_put_retrieval(op);
63004 _leave(" = %d", ret);
63005 @@ -505,7 +505,7 @@ nobufs_unlock:
63006 __fscache_wake_unused_cookie(cookie);
63007 kfree(op);
63008 nobufs:
63009 - fscache_stat(&fscache_n_retrievals_nobufs);
63010 + fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
63011 _leave(" = -ENOBUFS");
63012 return -ENOBUFS;
63013 }
63014 @@ -544,7 +544,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
63015
63016 _enter("%p,,%d,,,", cookie, *nr_pages);
63017
63018 - fscache_stat(&fscache_n_retrievals);
63019 + fscache_stat_unchecked(&fscache_n_retrievals);
63020
63021 if (hlist_empty(&cookie->backing_objects))
63022 goto nobufs;
63023 @@ -582,7 +582,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
63024 goto nobufs_unlock_dec;
63025 spin_unlock(&cookie->lock);
63026
63027 - fscache_stat(&fscache_n_retrieval_ops);
63028 + fscache_stat_unchecked(&fscache_n_retrieval_ops);
63029
63030 /* pin the netfs read context in case we need to do the actual netfs
63031 * read because we've encountered a cache read failure */
63032 @@ -613,15 +613,15 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
63033
63034 error:
63035 if (ret == -ENOMEM)
63036 - fscache_stat(&fscache_n_retrievals_nomem);
63037 + fscache_stat_unchecked(&fscache_n_retrievals_nomem);
63038 else if (ret == -ERESTARTSYS)
63039 - fscache_stat(&fscache_n_retrievals_intr);
63040 + fscache_stat_unchecked(&fscache_n_retrievals_intr);
63041 else if (ret == -ENODATA)
63042 - fscache_stat(&fscache_n_retrievals_nodata);
63043 + fscache_stat_unchecked(&fscache_n_retrievals_nodata);
63044 else if (ret < 0)
63045 - fscache_stat(&fscache_n_retrievals_nobufs);
63046 + fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
63047 else
63048 - fscache_stat(&fscache_n_retrievals_ok);
63049 + fscache_stat_unchecked(&fscache_n_retrievals_ok);
63050
63051 fscache_put_retrieval(op);
63052 _leave(" = %d", ret);
63053 @@ -636,7 +636,7 @@ nobufs_unlock:
63054 if (wake_cookie)
63055 __fscache_wake_unused_cookie(cookie);
63056 nobufs:
63057 - fscache_stat(&fscache_n_retrievals_nobufs);
63058 + fscache_stat_unchecked(&fscache_n_retrievals_nobufs);
63059 _leave(" = -ENOBUFS");
63060 return -ENOBUFS;
63061 }
63062 @@ -661,7 +661,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
63063
63064 _enter("%p,%p,,,", cookie, page);
63065
63066 - fscache_stat(&fscache_n_allocs);
63067 + fscache_stat_unchecked(&fscache_n_allocs);
63068
63069 if (hlist_empty(&cookie->backing_objects))
63070 goto nobufs;
63071 @@ -695,7 +695,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
63072 goto nobufs_unlock_dec;
63073 spin_unlock(&cookie->lock);
63074
63075 - fscache_stat(&fscache_n_alloc_ops);
63076 + fscache_stat_unchecked(&fscache_n_alloc_ops);
63077
63078 ret = fscache_wait_for_operation_activation(
63079 object, &op->op,
63080 @@ -712,11 +712,11 @@ int __fscache_alloc_page(struct fscache_cookie *cookie,
63081
63082 error:
63083 if (ret == -ERESTARTSYS)
63084 - fscache_stat(&fscache_n_allocs_intr);
63085 + fscache_stat_unchecked(&fscache_n_allocs_intr);
63086 else if (ret < 0)
63087 - fscache_stat(&fscache_n_allocs_nobufs);
63088 + fscache_stat_unchecked(&fscache_n_allocs_nobufs);
63089 else
63090 - fscache_stat(&fscache_n_allocs_ok);
63091 + fscache_stat_unchecked(&fscache_n_allocs_ok);
63092
63093 fscache_put_retrieval(op);
63094 _leave(" = %d", ret);
63095 @@ -730,7 +730,7 @@ nobufs_unlock:
63096 if (wake_cookie)
63097 __fscache_wake_unused_cookie(cookie);
63098 nobufs:
63099 - fscache_stat(&fscache_n_allocs_nobufs);
63100 + fscache_stat_unchecked(&fscache_n_allocs_nobufs);
63101 _leave(" = -ENOBUFS");
63102 return -ENOBUFS;
63103 }
63104 @@ -806,7 +806,7 @@ static void fscache_write_op(struct fscache_operation *_op)
63105
63106 spin_lock(&cookie->stores_lock);
63107
63108 - fscache_stat(&fscache_n_store_calls);
63109 + fscache_stat_unchecked(&fscache_n_store_calls);
63110
63111 /* find a page to store */
63112 page = NULL;
63113 @@ -817,7 +817,7 @@ static void fscache_write_op(struct fscache_operation *_op)
63114 page = results[0];
63115 _debug("gang %d [%lx]", n, page->index);
63116 if (page->index > op->store_limit) {
63117 - fscache_stat(&fscache_n_store_pages_over_limit);
63118 + fscache_stat_unchecked(&fscache_n_store_pages_over_limit);
63119 goto superseded;
63120 }
63121
63122 @@ -829,7 +829,7 @@ static void fscache_write_op(struct fscache_operation *_op)
63123 spin_unlock(&cookie->stores_lock);
63124 spin_unlock(&object->lock);
63125
63126 - fscache_stat(&fscache_n_store_pages);
63127 + fscache_stat_unchecked(&fscache_n_store_pages);
63128 fscache_stat(&fscache_n_cop_write_page);
63129 ret = object->cache->ops->write_page(op, page);
63130 fscache_stat_d(&fscache_n_cop_write_page);
63131 @@ -933,7 +933,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
63132 ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
63133 ASSERT(PageFsCache(page));
63134
63135 - fscache_stat(&fscache_n_stores);
63136 + fscache_stat_unchecked(&fscache_n_stores);
63137
63138 if (test_bit(FSCACHE_COOKIE_INVALIDATING, &cookie->flags)) {
63139 _leave(" = -ENOBUFS [invalidating]");
63140 @@ -992,7 +992,7 @@ int __fscache_write_page(struct fscache_cookie *cookie,
63141 spin_unlock(&cookie->stores_lock);
63142 spin_unlock(&object->lock);
63143
63144 - op->op.debug_id = atomic_inc_return(&fscache_op_debug_id);
63145 + op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
63146 op->store_limit = object->store_limit;
63147
63148 __fscache_use_cookie(cookie);
63149 @@ -1001,8 +1001,8 @@ int __fscache_write_page(struct fscache_cookie *cookie,
63150
63151 spin_unlock(&cookie->lock);
63152 radix_tree_preload_end();
63153 - fscache_stat(&fscache_n_store_ops);
63154 - fscache_stat(&fscache_n_stores_ok);
63155 + fscache_stat_unchecked(&fscache_n_store_ops);
63156 + fscache_stat_unchecked(&fscache_n_stores_ok);
63157
63158 /* the work queue now carries its own ref on the object */
63159 fscache_put_operation(&op->op);
63160 @@ -1010,14 +1010,14 @@ int __fscache_write_page(struct fscache_cookie *cookie,
63161 return 0;
63162
63163 already_queued:
63164 - fscache_stat(&fscache_n_stores_again);
63165 + fscache_stat_unchecked(&fscache_n_stores_again);
63166 already_pending:
63167 spin_unlock(&cookie->stores_lock);
63168 spin_unlock(&object->lock);
63169 spin_unlock(&cookie->lock);
63170 radix_tree_preload_end();
63171 kfree(op);
63172 - fscache_stat(&fscache_n_stores_ok);
63173 + fscache_stat_unchecked(&fscache_n_stores_ok);
63174 _leave(" = 0");
63175 return 0;
63176
63177 @@ -1039,14 +1039,14 @@ nobufs:
63178 kfree(op);
63179 if (wake_cookie)
63180 __fscache_wake_unused_cookie(cookie);
63181 - fscache_stat(&fscache_n_stores_nobufs);
63182 + fscache_stat_unchecked(&fscache_n_stores_nobufs);
63183 _leave(" = -ENOBUFS");
63184 return -ENOBUFS;
63185
63186 nomem_free:
63187 kfree(op);
63188 nomem:
63189 - fscache_stat(&fscache_n_stores_oom);
63190 + fscache_stat_unchecked(&fscache_n_stores_oom);
63191 _leave(" = -ENOMEM");
63192 return -ENOMEM;
63193 }
63194 @@ -1064,7 +1064,7 @@ void __fscache_uncache_page(struct fscache_cookie *cookie, struct page *page)
63195 ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX);
63196 ASSERTCMP(page, !=, NULL);
63197
63198 - fscache_stat(&fscache_n_uncaches);
63199 + fscache_stat_unchecked(&fscache_n_uncaches);
63200
63201 /* cache withdrawal may beat us to it */
63202 if (!PageFsCache(page))
63203 @@ -1115,7 +1115,7 @@ void fscache_mark_page_cached(struct fscache_retrieval *op, struct page *page)
63204 struct fscache_cookie *cookie = op->op.object->cookie;
63205
63206 #ifdef CONFIG_FSCACHE_STATS
63207 - atomic_inc(&fscache_n_marks);
63208 + atomic_inc_unchecked(&fscache_n_marks);
63209 #endif
63210
63211 _debug("- mark %p{%lx}", page, page->index);
63212 diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
63213 index 40d13c7..ddf52b9 100644
63214 --- a/fs/fscache/stats.c
63215 +++ b/fs/fscache/stats.c
63216 @@ -18,99 +18,99 @@
63217 /*
63218 * operation counters
63219 */
63220 -atomic_t fscache_n_op_pend;
63221 -atomic_t fscache_n_op_run;
63222 -atomic_t fscache_n_op_enqueue;
63223 -atomic_t fscache_n_op_requeue;
63224 -atomic_t fscache_n_op_deferred_release;
63225 -atomic_t fscache_n_op_release;
63226 -atomic_t fscache_n_op_gc;
63227 -atomic_t fscache_n_op_cancelled;
63228 -atomic_t fscache_n_op_rejected;
63229 +atomic_unchecked_t fscache_n_op_pend;
63230 +atomic_unchecked_t fscache_n_op_run;
63231 +atomic_unchecked_t fscache_n_op_enqueue;
63232 +atomic_unchecked_t fscache_n_op_requeue;
63233 +atomic_unchecked_t fscache_n_op_deferred_release;
63234 +atomic_unchecked_t fscache_n_op_release;
63235 +atomic_unchecked_t fscache_n_op_gc;
63236 +atomic_unchecked_t fscache_n_op_cancelled;
63237 +atomic_unchecked_t fscache_n_op_rejected;
63238
63239 -atomic_t fscache_n_attr_changed;
63240 -atomic_t fscache_n_attr_changed_ok;
63241 -atomic_t fscache_n_attr_changed_nobufs;
63242 -atomic_t fscache_n_attr_changed_nomem;
63243 -atomic_t fscache_n_attr_changed_calls;
63244 +atomic_unchecked_t fscache_n_attr_changed;
63245 +atomic_unchecked_t fscache_n_attr_changed_ok;
63246 +atomic_unchecked_t fscache_n_attr_changed_nobufs;
63247 +atomic_unchecked_t fscache_n_attr_changed_nomem;
63248 +atomic_unchecked_t fscache_n_attr_changed_calls;
63249
63250 -atomic_t fscache_n_allocs;
63251 -atomic_t fscache_n_allocs_ok;
63252 -atomic_t fscache_n_allocs_wait;
63253 -atomic_t fscache_n_allocs_nobufs;
63254 -atomic_t fscache_n_allocs_intr;
63255 -atomic_t fscache_n_allocs_object_dead;
63256 -atomic_t fscache_n_alloc_ops;
63257 -atomic_t fscache_n_alloc_op_waits;
63258 +atomic_unchecked_t fscache_n_allocs;
63259 +atomic_unchecked_t fscache_n_allocs_ok;
63260 +atomic_unchecked_t fscache_n_allocs_wait;
63261 +atomic_unchecked_t fscache_n_allocs_nobufs;
63262 +atomic_unchecked_t fscache_n_allocs_intr;
63263 +atomic_unchecked_t fscache_n_allocs_object_dead;
63264 +atomic_unchecked_t fscache_n_alloc_ops;
63265 +atomic_unchecked_t fscache_n_alloc_op_waits;
63266
63267 -atomic_t fscache_n_retrievals;
63268 -atomic_t fscache_n_retrievals_ok;
63269 -atomic_t fscache_n_retrievals_wait;
63270 -atomic_t fscache_n_retrievals_nodata;
63271 -atomic_t fscache_n_retrievals_nobufs;
63272 -atomic_t fscache_n_retrievals_intr;
63273 -atomic_t fscache_n_retrievals_nomem;
63274 -atomic_t fscache_n_retrievals_object_dead;
63275 -atomic_t fscache_n_retrieval_ops;
63276 -atomic_t fscache_n_retrieval_op_waits;
63277 +atomic_unchecked_t fscache_n_retrievals;
63278 +atomic_unchecked_t fscache_n_retrievals_ok;
63279 +atomic_unchecked_t fscache_n_retrievals_wait;
63280 +atomic_unchecked_t fscache_n_retrievals_nodata;
63281 +atomic_unchecked_t fscache_n_retrievals_nobufs;
63282 +atomic_unchecked_t fscache_n_retrievals_intr;
63283 +atomic_unchecked_t fscache_n_retrievals_nomem;
63284 +atomic_unchecked_t fscache_n_retrievals_object_dead;
63285 +atomic_unchecked_t fscache_n_retrieval_ops;
63286 +atomic_unchecked_t fscache_n_retrieval_op_waits;
63287
63288 -atomic_t fscache_n_stores;
63289 -atomic_t fscache_n_stores_ok;
63290 -atomic_t fscache_n_stores_again;
63291 -atomic_t fscache_n_stores_nobufs;
63292 -atomic_t fscache_n_stores_oom;
63293 -atomic_t fscache_n_store_ops;
63294 -atomic_t fscache_n_store_calls;
63295 -atomic_t fscache_n_store_pages;
63296 -atomic_t fscache_n_store_radix_deletes;
63297 -atomic_t fscache_n_store_pages_over_limit;
63298 +atomic_unchecked_t fscache_n_stores;
63299 +atomic_unchecked_t fscache_n_stores_ok;
63300 +atomic_unchecked_t fscache_n_stores_again;
63301 +atomic_unchecked_t fscache_n_stores_nobufs;
63302 +atomic_unchecked_t fscache_n_stores_oom;
63303 +atomic_unchecked_t fscache_n_store_ops;
63304 +atomic_unchecked_t fscache_n_store_calls;
63305 +atomic_unchecked_t fscache_n_store_pages;
63306 +atomic_unchecked_t fscache_n_store_radix_deletes;
63307 +atomic_unchecked_t fscache_n_store_pages_over_limit;
63308
63309 -atomic_t fscache_n_store_vmscan_not_storing;
63310 -atomic_t fscache_n_store_vmscan_gone;
63311 -atomic_t fscache_n_store_vmscan_busy;
63312 -atomic_t fscache_n_store_vmscan_cancelled;
63313 -atomic_t fscache_n_store_vmscan_wait;
63314 +atomic_unchecked_t fscache_n_store_vmscan_not_storing;
63315 +atomic_unchecked_t fscache_n_store_vmscan_gone;
63316 +atomic_unchecked_t fscache_n_store_vmscan_busy;
63317 +atomic_unchecked_t fscache_n_store_vmscan_cancelled;
63318 +atomic_unchecked_t fscache_n_store_vmscan_wait;
63319
63320 -atomic_t fscache_n_marks;
63321 -atomic_t fscache_n_uncaches;
63322 +atomic_unchecked_t fscache_n_marks;
63323 +atomic_unchecked_t fscache_n_uncaches;
63324
63325 -atomic_t fscache_n_acquires;
63326 -atomic_t fscache_n_acquires_null;
63327 -atomic_t fscache_n_acquires_no_cache;
63328 -atomic_t fscache_n_acquires_ok;
63329 -atomic_t fscache_n_acquires_nobufs;
63330 -atomic_t fscache_n_acquires_oom;
63331 +atomic_unchecked_t fscache_n_acquires;
63332 +atomic_unchecked_t fscache_n_acquires_null;
63333 +atomic_unchecked_t fscache_n_acquires_no_cache;
63334 +atomic_unchecked_t fscache_n_acquires_ok;
63335 +atomic_unchecked_t fscache_n_acquires_nobufs;
63336 +atomic_unchecked_t fscache_n_acquires_oom;
63337
63338 -atomic_t fscache_n_invalidates;
63339 -atomic_t fscache_n_invalidates_run;
63340 +atomic_unchecked_t fscache_n_invalidates;
63341 +atomic_unchecked_t fscache_n_invalidates_run;
63342
63343 -atomic_t fscache_n_updates;
63344 -atomic_t fscache_n_updates_null;
63345 -atomic_t fscache_n_updates_run;
63346 +atomic_unchecked_t fscache_n_updates;
63347 +atomic_unchecked_t fscache_n_updates_null;
63348 +atomic_unchecked_t fscache_n_updates_run;
63349
63350 -atomic_t fscache_n_relinquishes;
63351 -atomic_t fscache_n_relinquishes_null;
63352 -atomic_t fscache_n_relinquishes_waitcrt;
63353 -atomic_t fscache_n_relinquishes_retire;
63354 +atomic_unchecked_t fscache_n_relinquishes;
63355 +atomic_unchecked_t fscache_n_relinquishes_null;
63356 +atomic_unchecked_t fscache_n_relinquishes_waitcrt;
63357 +atomic_unchecked_t fscache_n_relinquishes_retire;
63358
63359 -atomic_t fscache_n_cookie_index;
63360 -atomic_t fscache_n_cookie_data;
63361 -atomic_t fscache_n_cookie_special;
63362 +atomic_unchecked_t fscache_n_cookie_index;
63363 +atomic_unchecked_t fscache_n_cookie_data;
63364 +atomic_unchecked_t fscache_n_cookie_special;
63365
63366 -atomic_t fscache_n_object_alloc;
63367 -atomic_t fscache_n_object_no_alloc;
63368 -atomic_t fscache_n_object_lookups;
63369 -atomic_t fscache_n_object_lookups_negative;
63370 -atomic_t fscache_n_object_lookups_positive;
63371 -atomic_t fscache_n_object_lookups_timed_out;
63372 -atomic_t fscache_n_object_created;
63373 -atomic_t fscache_n_object_avail;
63374 -atomic_t fscache_n_object_dead;
63375 +atomic_unchecked_t fscache_n_object_alloc;
63376 +atomic_unchecked_t fscache_n_object_no_alloc;
63377 +atomic_unchecked_t fscache_n_object_lookups;
63378 +atomic_unchecked_t fscache_n_object_lookups_negative;
63379 +atomic_unchecked_t fscache_n_object_lookups_positive;
63380 +atomic_unchecked_t fscache_n_object_lookups_timed_out;
63381 +atomic_unchecked_t fscache_n_object_created;
63382 +atomic_unchecked_t fscache_n_object_avail;
63383 +atomic_unchecked_t fscache_n_object_dead;
63384
63385 -atomic_t fscache_n_checkaux_none;
63386 -atomic_t fscache_n_checkaux_okay;
63387 -atomic_t fscache_n_checkaux_update;
63388 -atomic_t fscache_n_checkaux_obsolete;
63389 +atomic_unchecked_t fscache_n_checkaux_none;
63390 +atomic_unchecked_t fscache_n_checkaux_okay;
63391 +atomic_unchecked_t fscache_n_checkaux_update;
63392 +atomic_unchecked_t fscache_n_checkaux_obsolete;
63393
63394 atomic_t fscache_n_cop_alloc_object;
63395 atomic_t fscache_n_cop_lookup_object;
63396 @@ -138,118 +138,118 @@ static int fscache_stats_show(struct seq_file *m, void *v)
63397 seq_puts(m, "FS-Cache statistics\n");
63398
63399 seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n",
63400 - atomic_read(&fscache_n_cookie_index),
63401 - atomic_read(&fscache_n_cookie_data),
63402 - atomic_read(&fscache_n_cookie_special));
63403 + atomic_read_unchecked(&fscache_n_cookie_index),
63404 + atomic_read_unchecked(&fscache_n_cookie_data),
63405 + atomic_read_unchecked(&fscache_n_cookie_special));
63406
63407 seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n",
63408 - atomic_read(&fscache_n_object_alloc),
63409 - atomic_read(&fscache_n_object_no_alloc),
63410 - atomic_read(&fscache_n_object_avail),
63411 - atomic_read(&fscache_n_object_dead));
63412 + atomic_read_unchecked(&fscache_n_object_alloc),
63413 + atomic_read_unchecked(&fscache_n_object_no_alloc),
63414 + atomic_read_unchecked(&fscache_n_object_avail),
63415 + atomic_read_unchecked(&fscache_n_object_dead));
63416 seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n",
63417 - atomic_read(&fscache_n_checkaux_none),
63418 - atomic_read(&fscache_n_checkaux_okay),
63419 - atomic_read(&fscache_n_checkaux_update),
63420 - atomic_read(&fscache_n_checkaux_obsolete));
63421 + atomic_read_unchecked(&fscache_n_checkaux_none),
63422 + atomic_read_unchecked(&fscache_n_checkaux_okay),
63423 + atomic_read_unchecked(&fscache_n_checkaux_update),
63424 + atomic_read_unchecked(&fscache_n_checkaux_obsolete));
63425
63426 seq_printf(m, "Pages : mrk=%u unc=%u\n",
63427 - atomic_read(&fscache_n_marks),
63428 - atomic_read(&fscache_n_uncaches));
63429 + atomic_read_unchecked(&fscache_n_marks),
63430 + atomic_read_unchecked(&fscache_n_uncaches));
63431
63432 seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
63433 " oom=%u\n",
63434 - atomic_read(&fscache_n_acquires),
63435 - atomic_read(&fscache_n_acquires_null),
63436 - atomic_read(&fscache_n_acquires_no_cache),
63437 - atomic_read(&fscache_n_acquires_ok),
63438 - atomic_read(&fscache_n_acquires_nobufs),
63439 - atomic_read(&fscache_n_acquires_oom));
63440 + atomic_read_unchecked(&fscache_n_acquires),
63441 + atomic_read_unchecked(&fscache_n_acquires_null),
63442 + atomic_read_unchecked(&fscache_n_acquires_no_cache),
63443 + atomic_read_unchecked(&fscache_n_acquires_ok),
63444 + atomic_read_unchecked(&fscache_n_acquires_nobufs),
63445 + atomic_read_unchecked(&fscache_n_acquires_oom));
63446
63447 seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n",
63448 - atomic_read(&fscache_n_object_lookups),
63449 - atomic_read(&fscache_n_object_lookups_negative),
63450 - atomic_read(&fscache_n_object_lookups_positive),
63451 - atomic_read(&fscache_n_object_created),
63452 - atomic_read(&fscache_n_object_lookups_timed_out));
63453 + atomic_read_unchecked(&fscache_n_object_lookups),
63454 + atomic_read_unchecked(&fscache_n_object_lookups_negative),
63455 + atomic_read_unchecked(&fscache_n_object_lookups_positive),
63456 + atomic_read_unchecked(&fscache_n_object_created),
63457 + atomic_read_unchecked(&fscache_n_object_lookups_timed_out));
63458
63459 seq_printf(m, "Invals : n=%u run=%u\n",
63460 - atomic_read(&fscache_n_invalidates),
63461 - atomic_read(&fscache_n_invalidates_run));
63462 + atomic_read_unchecked(&fscache_n_invalidates),
63463 + atomic_read_unchecked(&fscache_n_invalidates_run));
63464
63465 seq_printf(m, "Updates: n=%u nul=%u run=%u\n",
63466 - atomic_read(&fscache_n_updates),
63467 - atomic_read(&fscache_n_updates_null),
63468 - atomic_read(&fscache_n_updates_run));
63469 + atomic_read_unchecked(&fscache_n_updates),
63470 + atomic_read_unchecked(&fscache_n_updates_null),
63471 + atomic_read_unchecked(&fscache_n_updates_run));
63472
63473 seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n",
63474 - atomic_read(&fscache_n_relinquishes),
63475 - atomic_read(&fscache_n_relinquishes_null),
63476 - atomic_read(&fscache_n_relinquishes_waitcrt),
63477 - atomic_read(&fscache_n_relinquishes_retire));
63478 + atomic_read_unchecked(&fscache_n_relinquishes),
63479 + atomic_read_unchecked(&fscache_n_relinquishes_null),
63480 + atomic_read_unchecked(&fscache_n_relinquishes_waitcrt),
63481 + atomic_read_unchecked(&fscache_n_relinquishes_retire));
63482
63483 seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n",
63484 - atomic_read(&fscache_n_attr_changed),
63485 - atomic_read(&fscache_n_attr_changed_ok),
63486 - atomic_read(&fscache_n_attr_changed_nobufs),
63487 - atomic_read(&fscache_n_attr_changed_nomem),
63488 - atomic_read(&fscache_n_attr_changed_calls));
63489 + atomic_read_unchecked(&fscache_n_attr_changed),
63490 + atomic_read_unchecked(&fscache_n_attr_changed_ok),
63491 + atomic_read_unchecked(&fscache_n_attr_changed_nobufs),
63492 + atomic_read_unchecked(&fscache_n_attr_changed_nomem),
63493 + atomic_read_unchecked(&fscache_n_attr_changed_calls));
63494
63495 seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n",
63496 - atomic_read(&fscache_n_allocs),
63497 - atomic_read(&fscache_n_allocs_ok),
63498 - atomic_read(&fscache_n_allocs_wait),
63499 - atomic_read(&fscache_n_allocs_nobufs),
63500 - atomic_read(&fscache_n_allocs_intr));
63501 + atomic_read_unchecked(&fscache_n_allocs),
63502 + atomic_read_unchecked(&fscache_n_allocs_ok),
63503 + atomic_read_unchecked(&fscache_n_allocs_wait),
63504 + atomic_read_unchecked(&fscache_n_allocs_nobufs),
63505 + atomic_read_unchecked(&fscache_n_allocs_intr));
63506 seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n",
63507 - atomic_read(&fscache_n_alloc_ops),
63508 - atomic_read(&fscache_n_alloc_op_waits),
63509 - atomic_read(&fscache_n_allocs_object_dead));
63510 + atomic_read_unchecked(&fscache_n_alloc_ops),
63511 + atomic_read_unchecked(&fscache_n_alloc_op_waits),
63512 + atomic_read_unchecked(&fscache_n_allocs_object_dead));
63513
63514 seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u"
63515 " int=%u oom=%u\n",
63516 - atomic_read(&fscache_n_retrievals),
63517 - atomic_read(&fscache_n_retrievals_ok),
63518 - atomic_read(&fscache_n_retrievals_wait),
63519 - atomic_read(&fscache_n_retrievals_nodata),
63520 - atomic_read(&fscache_n_retrievals_nobufs),
63521 - atomic_read(&fscache_n_retrievals_intr),
63522 - atomic_read(&fscache_n_retrievals_nomem));
63523 + atomic_read_unchecked(&fscache_n_retrievals),
63524 + atomic_read_unchecked(&fscache_n_retrievals_ok),
63525 + atomic_read_unchecked(&fscache_n_retrievals_wait),
63526 + atomic_read_unchecked(&fscache_n_retrievals_nodata),
63527 + atomic_read_unchecked(&fscache_n_retrievals_nobufs),
63528 + atomic_read_unchecked(&fscache_n_retrievals_intr),
63529 + atomic_read_unchecked(&fscache_n_retrievals_nomem));
63530 seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n",
63531 - atomic_read(&fscache_n_retrieval_ops),
63532 - atomic_read(&fscache_n_retrieval_op_waits),
63533 - atomic_read(&fscache_n_retrievals_object_dead));
63534 + atomic_read_unchecked(&fscache_n_retrieval_ops),
63535 + atomic_read_unchecked(&fscache_n_retrieval_op_waits),
63536 + atomic_read_unchecked(&fscache_n_retrievals_object_dead));
63537
63538 seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n",
63539 - atomic_read(&fscache_n_stores),
63540 - atomic_read(&fscache_n_stores_ok),
63541 - atomic_read(&fscache_n_stores_again),
63542 - atomic_read(&fscache_n_stores_nobufs),
63543 - atomic_read(&fscache_n_stores_oom));
63544 + atomic_read_unchecked(&fscache_n_stores),
63545 + atomic_read_unchecked(&fscache_n_stores_ok),
63546 + atomic_read_unchecked(&fscache_n_stores_again),
63547 + atomic_read_unchecked(&fscache_n_stores_nobufs),
63548 + atomic_read_unchecked(&fscache_n_stores_oom));
63549 seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n",
63550 - atomic_read(&fscache_n_store_ops),
63551 - atomic_read(&fscache_n_store_calls),
63552 - atomic_read(&fscache_n_store_pages),
63553 - atomic_read(&fscache_n_store_radix_deletes),
63554 - atomic_read(&fscache_n_store_pages_over_limit));
63555 + atomic_read_unchecked(&fscache_n_store_ops),
63556 + atomic_read_unchecked(&fscache_n_store_calls),
63557 + atomic_read_unchecked(&fscache_n_store_pages),
63558 + atomic_read_unchecked(&fscache_n_store_radix_deletes),
63559 + atomic_read_unchecked(&fscache_n_store_pages_over_limit));
63560
63561 seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u wt=%u\n",
63562 - atomic_read(&fscache_n_store_vmscan_not_storing),
63563 - atomic_read(&fscache_n_store_vmscan_gone),
63564 - atomic_read(&fscache_n_store_vmscan_busy),
63565 - atomic_read(&fscache_n_store_vmscan_cancelled),
63566 - atomic_read(&fscache_n_store_vmscan_wait));
63567 + atomic_read_unchecked(&fscache_n_store_vmscan_not_storing),
63568 + atomic_read_unchecked(&fscache_n_store_vmscan_gone),
63569 + atomic_read_unchecked(&fscache_n_store_vmscan_busy),
63570 + atomic_read_unchecked(&fscache_n_store_vmscan_cancelled),
63571 + atomic_read_unchecked(&fscache_n_store_vmscan_wait));
63572
63573 seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n",
63574 - atomic_read(&fscache_n_op_pend),
63575 - atomic_read(&fscache_n_op_run),
63576 - atomic_read(&fscache_n_op_enqueue),
63577 - atomic_read(&fscache_n_op_cancelled),
63578 - atomic_read(&fscache_n_op_rejected));
63579 + atomic_read_unchecked(&fscache_n_op_pend),
63580 + atomic_read_unchecked(&fscache_n_op_run),
63581 + atomic_read_unchecked(&fscache_n_op_enqueue),
63582 + atomic_read_unchecked(&fscache_n_op_cancelled),
63583 + atomic_read_unchecked(&fscache_n_op_rejected));
63584 seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n",
63585 - atomic_read(&fscache_n_op_deferred_release),
63586 - atomic_read(&fscache_n_op_release),
63587 - atomic_read(&fscache_n_op_gc));
63588 + atomic_read_unchecked(&fscache_n_op_deferred_release),
63589 + atomic_read_unchecked(&fscache_n_op_release),
63590 + atomic_read_unchecked(&fscache_n_op_gc));
63591
63592 seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n",
63593 atomic_read(&fscache_n_cop_alloc_object),
63594 diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
63595 index 966ace8..030a03a 100644
63596 --- a/fs/fuse/cuse.c
63597 +++ b/fs/fuse/cuse.c
63598 @@ -611,10 +611,12 @@ static int __init cuse_init(void)
63599 INIT_LIST_HEAD(&cuse_conntbl[i]);
63600
63601 /* inherit and extend fuse_dev_operations */
63602 - cuse_channel_fops = fuse_dev_operations;
63603 - cuse_channel_fops.owner = THIS_MODULE;
63604 - cuse_channel_fops.open = cuse_channel_open;
63605 - cuse_channel_fops.release = cuse_channel_release;
63606 + pax_open_kernel();
63607 + memcpy((void *)&cuse_channel_fops, &fuse_dev_operations, sizeof(fuse_dev_operations));
63608 + *(void **)&cuse_channel_fops.owner = THIS_MODULE;
63609 + *(void **)&cuse_channel_fops.open = cuse_channel_open;
63610 + *(void **)&cuse_channel_fops.release = cuse_channel_release;
63611 + pax_close_kernel();
63612
63613 cuse_class = class_create(THIS_MODULE, "cuse");
63614 if (IS_ERR(cuse_class))
63615 diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
63616 index ca88731..8e9c55d 100644
63617 --- a/fs/fuse/dev.c
63618 +++ b/fs/fuse/dev.c
63619 @@ -1318,7 +1318,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
63620 ret = 0;
63621 pipe_lock(pipe);
63622
63623 - if (!pipe->readers) {
63624 + if (!atomic_read(&pipe->readers)) {
63625 send_sig(SIGPIPE, current, 0);
63626 if (!ret)
63627 ret = -EPIPE;
63628 @@ -1347,7 +1347,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos,
63629 page_nr++;
63630 ret += buf->len;
63631
63632 - if (pipe->files)
63633 + if (atomic_read(&pipe->files))
63634 do_wakeup = 1;
63635 }
63636
63637 diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
63638 index dbab798..fefa22b 100644
63639 --- a/fs/fuse/dir.c
63640 +++ b/fs/fuse/dir.c
63641 @@ -1474,7 +1474,7 @@ static char *read_link(struct dentry *dentry)
63642 return link;
63643 }
63644
63645 -static void free_link(char *link)
63646 +static void free_link(const char *link)
63647 {
63648 if (!IS_ERR(link))
63649 free_page((unsigned long) link);
63650 diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
63651 index fd62cae..3494dfa 100644
63652 --- a/fs/hostfs/hostfs_kern.c
63653 +++ b/fs/hostfs/hostfs_kern.c
63654 @@ -908,7 +908,7 @@ static void *hostfs_follow_link(struct dentry *dentry, struct nameidata *nd)
63655
63656 static void hostfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
63657 {
63658 - char *s = nd_get_link(nd);
63659 + const char *s = nd_get_link(nd);
63660 if (!IS_ERR(s))
63661 __putname(s);
63662 }
63663 diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
63664 index 1e2872b..7aea000 100644
63665 --- a/fs/hugetlbfs/inode.c
63666 +++ b/fs/hugetlbfs/inode.c
63667 @@ -154,6 +154,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
63668 struct mm_struct *mm = current->mm;
63669 struct vm_area_struct *vma;
63670 struct hstate *h = hstate_file(file);
63671 + unsigned long offset = gr_rand_threadstack_offset(mm, file, flags);
63672 struct vm_unmapped_area_info info;
63673
63674 if (len & ~huge_page_mask(h))
63675 @@ -167,17 +168,26 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
63676 return addr;
63677 }
63678
63679 +#ifdef CONFIG_PAX_RANDMMAP
63680 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
63681 +#endif
63682 +
63683 if (addr) {
63684 addr = ALIGN(addr, huge_page_size(h));
63685 vma = find_vma(mm, addr);
63686 - if (TASK_SIZE - len >= addr &&
63687 - (!vma || addr + len <= vma->vm_start))
63688 + if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset))
63689 return addr;
63690 }
63691
63692 info.flags = 0;
63693 info.length = len;
63694 info.low_limit = TASK_UNMAPPED_BASE;
63695 +
63696 +#ifdef CONFIG_PAX_RANDMMAP
63697 + if (mm->pax_flags & MF_PAX_RANDMMAP)
63698 + info.low_limit += mm->delta_mmap;
63699 +#endif
63700 +
63701 info.high_limit = TASK_SIZE;
63702 info.align_mask = PAGE_MASK & ~huge_page_mask(h);
63703 info.align_offset = 0;
63704 @@ -919,7 +929,7 @@ static struct file_system_type hugetlbfs_fs_type = {
63705 };
63706 MODULE_ALIAS_FS("hugetlbfs");
63707
63708 -static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
63709 +struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
63710
63711 static int can_do_hugetlb_shm(void)
63712 {
63713 diff --git a/fs/inode.c b/fs/inode.c
63714 index 26753ba..d19eb34 100644
63715 --- a/fs/inode.c
63716 +++ b/fs/inode.c
63717 @@ -840,16 +840,20 @@ unsigned int get_next_ino(void)
63718 unsigned int *p = &get_cpu_var(last_ino);
63719 unsigned int res = *p;
63720
63721 +start:
63722 +
63723 #ifdef CONFIG_SMP
63724 if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) {
63725 - static atomic_t shared_last_ino;
63726 - int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino);
63727 + static atomic_unchecked_t shared_last_ino;
63728 + int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino);
63729
63730 res = next - LAST_INO_BATCH;
63731 }
63732 #endif
63733
63734 - *p = ++res;
63735 + if (unlikely(!++res))
63736 + goto start; /* never zero */
63737 + *p = res;
63738 put_cpu_var(last_ino);
63739 return res;
63740 }
63741 diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
63742 index 4a6cf28..d3a29d3 100644
63743 --- a/fs/jffs2/erase.c
63744 +++ b/fs/jffs2/erase.c
63745 @@ -452,7 +452,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
63746 struct jffs2_unknown_node marker = {
63747 .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK),
63748 .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
63749 - .totlen = cpu_to_je32(c->cleanmarker_size)
63750 + .totlen = cpu_to_je32(c->cleanmarker_size),
63751 + .hdr_crc = cpu_to_je32(0)
63752 };
63753
63754 jffs2_prealloc_raw_node_refs(c, jeb, 1);
63755 diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
63756 index 09ed551..45684f8 100644
63757 --- a/fs/jffs2/wbuf.c
63758 +++ b/fs/jffs2/wbuf.c
63759 @@ -1023,7 +1023,8 @@ static const struct jffs2_unknown_node oob_cleanmarker =
63760 {
63761 .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK),
63762 .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER),
63763 - .totlen = constant_cpu_to_je32(8)
63764 + .totlen = constant_cpu_to_je32(8),
63765 + .hdr_crc = constant_cpu_to_je32(0)
63766 };
63767
63768 /*
63769 diff --git a/fs/jfs/super.c b/fs/jfs/super.c
63770 index 93e897e..a863de4 100644
63771 --- a/fs/jfs/super.c
63772 +++ b/fs/jfs/super.c
63773 @@ -893,7 +893,7 @@ static int __init init_jfs_fs(void)
63774
63775 jfs_inode_cachep =
63776 kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
63777 - SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
63778 + SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY,
63779 init_once);
63780 if (jfs_inode_cachep == NULL)
63781 return -ENOMEM;
63782 diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
63783 index 1c77193..ba73e66 100644
63784 --- a/fs/kernfs/dir.c
63785 +++ b/fs/kernfs/dir.c
63786 @@ -182,7 +182,7 @@ struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)
63787 *
63788 * Returns 31 bit hash of ns + name (so it fits in an off_t )
63789 */
63790 -static unsigned int kernfs_name_hash(const char *name, const void *ns)
63791 +static unsigned int kernfs_name_hash(const unsigned char *name, const void *ns)
63792 {
63793 unsigned long hash = init_name_hash();
63794 unsigned int len = strlen(name);
63795 @@ -829,6 +829,12 @@ static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry,
63796 ret = scops->mkdir(parent, dentry->d_name.name, mode);
63797
63798 kernfs_put_active(parent);
63799 +
63800 + if (!ret) {
63801 + struct dentry *dentry_ret = kernfs_iop_lookup(dir, dentry, 0);
63802 + ret = PTR_ERR_OR_ZERO(dentry_ret);
63803 + }
63804 +
63805 return ret;
63806 }
63807
63808 diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
63809 index 4429d6d..9831f52 100644
63810 --- a/fs/kernfs/file.c
63811 +++ b/fs/kernfs/file.c
63812 @@ -34,7 +34,7 @@ static DEFINE_MUTEX(kernfs_open_file_mutex);
63813
63814 struct kernfs_open_node {
63815 atomic_t refcnt;
63816 - atomic_t event;
63817 + atomic_unchecked_t event;
63818 wait_queue_head_t poll;
63819 struct list_head files; /* goes through kernfs_open_file.list */
63820 };
63821 @@ -163,7 +163,7 @@ static int kernfs_seq_show(struct seq_file *sf, void *v)
63822 {
63823 struct kernfs_open_file *of = sf->private;
63824
63825 - of->event = atomic_read(&of->kn->attr.open->event);
63826 + of->event = atomic_read_unchecked(&of->kn->attr.open->event);
63827
63828 return of->kn->attr.ops->seq_show(sf, v);
63829 }
63830 @@ -375,12 +375,12 @@ static int kernfs_vma_page_mkwrite(struct vm_area_struct *vma,
63831 return ret;
63832 }
63833
63834 -static int kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr,
63835 - void *buf, int len, int write)
63836 +static ssize_t kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr,
63837 + void *buf, size_t len, int write)
63838 {
63839 struct file *file = vma->vm_file;
63840 struct kernfs_open_file *of = kernfs_of(file);
63841 - int ret;
63842 + ssize_t ret;
63843
63844 if (!of->vm_ops)
63845 return -EINVAL;
63846 @@ -581,7 +581,7 @@ static int kernfs_get_open_node(struct kernfs_node *kn,
63847 return -ENOMEM;
63848
63849 atomic_set(&new_on->refcnt, 0);
63850 - atomic_set(&new_on->event, 1);
63851 + atomic_set_unchecked(&new_on->event, 1);
63852 init_waitqueue_head(&new_on->poll);
63853 INIT_LIST_HEAD(&new_on->files);
63854 goto retry;
63855 @@ -787,7 +787,7 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait)
63856
63857 kernfs_put_active(kn);
63858
63859 - if (of->event != atomic_read(&on->event))
63860 + if (of->event != atomic_read_unchecked(&on->event))
63861 goto trigger;
63862
63863 return DEFAULT_POLLMASK;
63864 @@ -818,7 +818,7 @@ repeat:
63865
63866 on = kn->attr.open;
63867 if (on) {
63868 - atomic_inc(&on->event);
63869 + atomic_inc_unchecked(&on->event);
63870 wake_up_interruptible(&on->poll);
63871 }
63872
63873 diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
63874 index 8a19889..4c3069a 100644
63875 --- a/fs/kernfs/symlink.c
63876 +++ b/fs/kernfs/symlink.c
63877 @@ -128,7 +128,7 @@ static void *kernfs_iop_follow_link(struct dentry *dentry, struct nameidata *nd)
63878 static void kernfs_iop_put_link(struct dentry *dentry, struct nameidata *nd,
63879 void *cookie)
63880 {
63881 - char *page = nd_get_link(nd);
63882 + const char *page = nd_get_link(nd);
63883 if (!IS_ERR(page))
63884 free_page((unsigned long)page);
63885 }
63886 diff --git a/fs/libfs.c b/fs/libfs.c
63887 index 005843c..06c4191 100644
63888 --- a/fs/libfs.c
63889 +++ b/fs/libfs.c
63890 @@ -160,6 +160,9 @@ int dcache_readdir(struct file *file, struct dir_context *ctx)
63891
63892 for (p = q->next; p != &dentry->d_subdirs; p = p->next) {
63893 struct dentry *next = list_entry(p, struct dentry, d_child);
63894 + char d_name[sizeof(next->d_iname)];
63895 + const unsigned char *name;
63896 +
63897 spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
63898 if (!simple_positive(next)) {
63899 spin_unlock(&next->d_lock);
63900 @@ -168,7 +171,12 @@ int dcache_readdir(struct file *file, struct dir_context *ctx)
63901
63902 spin_unlock(&next->d_lock);
63903 spin_unlock(&dentry->d_lock);
63904 - if (!dir_emit(ctx, next->d_name.name, next->d_name.len,
63905 + name = next->d_name.name;
63906 + if (name == next->d_iname) {
63907 + memcpy(d_name, name, next->d_name.len);
63908 + name = d_name;
63909 + }
63910 + if (!dir_emit(ctx, name, next->d_name.len,
63911 next->d_inode->i_ino, dt_type(next->d_inode)))
63912 return 0;
63913 spin_lock(&dentry->d_lock);
63914 @@ -1027,7 +1035,7 @@ EXPORT_SYMBOL(noop_fsync);
63915 void kfree_put_link(struct dentry *dentry, struct nameidata *nd,
63916 void *cookie)
63917 {
63918 - char *s = nd_get_link(nd);
63919 + const char *s = nd_get_link(nd);
63920 if (!IS_ERR(s))
63921 kfree(s);
63922 }
63923 diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
63924 index acd3947..1f896e2 100644
63925 --- a/fs/lockd/clntproc.c
63926 +++ b/fs/lockd/clntproc.c
63927 @@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt_cancel_ops;
63928 /*
63929 * Cookie counter for NLM requests
63930 */
63931 -static atomic_t nlm_cookie = ATOMIC_INIT(0x1234);
63932 +static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234);
63933
63934 void nlmclnt_next_cookie(struct nlm_cookie *c)
63935 {
63936 - u32 cookie = atomic_inc_return(&nlm_cookie);
63937 + u32 cookie = atomic_inc_return_unchecked(&nlm_cookie);
63938
63939 memcpy(c->data, &cookie, 4);
63940 c->len=4;
63941 diff --git a/fs/locks.c b/fs/locks.c
63942 index 59e2f90..bd69071 100644
63943 --- a/fs/locks.c
63944 +++ b/fs/locks.c
63945 @@ -2374,7 +2374,7 @@ void locks_remove_file(struct file *filp)
63946 locks_remove_posix(filp, filp);
63947
63948 if (filp->f_op->flock) {
63949 - struct file_lock fl = {
63950 + struct file_lock flock = {
63951 .fl_owner = filp,
63952 .fl_pid = current->tgid,
63953 .fl_file = filp,
63954 @@ -2382,9 +2382,9 @@ void locks_remove_file(struct file *filp)
63955 .fl_type = F_UNLCK,
63956 .fl_end = OFFSET_MAX,
63957 };
63958 - filp->f_op->flock(filp, F_SETLKW, &fl);
63959 - if (fl.fl_ops && fl.fl_ops->fl_release_private)
63960 - fl.fl_ops->fl_release_private(&fl);
63961 + filp->f_op->flock(filp, F_SETLKW, &flock);
63962 + if (flock.fl_ops && flock.fl_ops->fl_release_private)
63963 + flock.fl_ops->fl_release_private(&flock);
63964 }
63965
63966 spin_lock(&inode->i_lock);
63967 diff --git a/fs/mount.h b/fs/mount.h
63968 index f82c628..9492b99 100644
63969 --- a/fs/mount.h
63970 +++ b/fs/mount.h
63971 @@ -11,7 +11,7 @@ struct mnt_namespace {
63972 u64 seq; /* Sequence number to prevent loops */
63973 wait_queue_head_t poll;
63974 u64 event;
63975 -};
63976 +} __randomize_layout;
63977
63978 struct mnt_pcp {
63979 int mnt_count;
63980 @@ -62,7 +62,7 @@ struct mount {
63981 int mnt_expiry_mark; /* true if marked for expiry */
63982 struct hlist_head mnt_pins;
63983 struct path mnt_ex_mountpoint;
63984 -};
63985 +} __randomize_layout;
63986
63987 #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
63988
63989 diff --git a/fs/namei.c b/fs/namei.c
63990 index db5fe86..ac769e4 100644
63991 --- a/fs/namei.c
63992 +++ b/fs/namei.c
63993 @@ -331,17 +331,32 @@ int generic_permission(struct inode *inode, int mask)
63994 if (ret != -EACCES)
63995 return ret;
63996
63997 +#ifdef CONFIG_GRKERNSEC
63998 + /* we'll block if we have to log due to a denied capability use */
63999 + if (mask & MAY_NOT_BLOCK)
64000 + return -ECHILD;
64001 +#endif
64002 +
64003 if (S_ISDIR(inode->i_mode)) {
64004 /* DACs are overridable for directories */
64005 - if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE))
64006 - return 0;
64007 if (!(mask & MAY_WRITE))
64008 - if (capable_wrt_inode_uidgid(inode,
64009 - CAP_DAC_READ_SEARCH))
64010 + if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) ||
64011 + capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH))
64012 return 0;
64013 + if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE))
64014 + return 0;
64015 return -EACCES;
64016 }
64017 /*
64018 + * Searching includes executable on directories, else just read.
64019 + */
64020 + mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
64021 + if (mask == MAY_READ)
64022 + if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) ||
64023 + capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH))
64024 + return 0;
64025 +
64026 + /*
64027 * Read/write DACs are always overridable.
64028 * Executable DACs are overridable when there is
64029 * at least one exec bit set.
64030 @@ -350,14 +365,6 @@ int generic_permission(struct inode *inode, int mask)
64031 if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE))
64032 return 0;
64033
64034 - /*
64035 - * Searching includes executable on directories, else just read.
64036 - */
64037 - mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
64038 - if (mask == MAY_READ)
64039 - if (capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH))
64040 - return 0;
64041 -
64042 return -EACCES;
64043 }
64044 EXPORT_SYMBOL(generic_permission);
64045 @@ -824,7 +831,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
64046 {
64047 struct dentry *dentry = link->dentry;
64048 int error;
64049 - char *s;
64050 + const char *s;
64051
64052 BUG_ON(nd->flags & LOOKUP_RCU);
64053
64054 @@ -845,6 +852,12 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
64055 if (error)
64056 goto out_put_nd_path;
64057
64058 + if (gr_handle_follow_link(dentry->d_parent->d_inode,
64059 + dentry->d_inode, dentry, nd->path.mnt)) {
64060 + error = -EACCES;
64061 + goto out_put_nd_path;
64062 + }
64063 +
64064 nd->last_type = LAST_BIND;
64065 *p = dentry->d_inode->i_op->follow_link(dentry, nd);
64066 error = PTR_ERR(*p);
64067 @@ -1608,6 +1621,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd)
64068 if (res)
64069 break;
64070 res = walk_component(nd, path, LOOKUP_FOLLOW);
64071 + if (res >= 0 && gr_handle_symlink_owner(&link, nd->inode))
64072 + res = -EACCES;
64073 put_link(nd, &link, cookie);
64074 } while (res > 0);
64075
64076 @@ -1680,7 +1695,7 @@ EXPORT_SYMBOL(full_name_hash);
64077 static inline u64 hash_name(const char *name)
64078 {
64079 unsigned long a, b, adata, bdata, mask, hash, len;
64080 - const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
64081 + static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
64082
64083 hash = a = 0;
64084 len = -sizeof(unsigned long);
64085 @@ -1969,6 +1984,8 @@ static int path_lookupat(int dfd, const char *name,
64086 if (err)
64087 break;
64088 err = lookup_last(nd, &path);
64089 + if (!err && gr_handle_symlink_owner(&link, nd->inode))
64090 + err = -EACCES;
64091 put_link(nd, &link, cookie);
64092 }
64093 }
64094 @@ -1976,6 +1993,13 @@ static int path_lookupat(int dfd, const char *name,
64095 if (!err)
64096 err = complete_walk(nd);
64097
64098 + if (!err && !(nd->flags & LOOKUP_PARENT)) {
64099 + if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
64100 + path_put(&nd->path);
64101 + err = -ENOENT;
64102 + }
64103 + }
64104 +
64105 if (!err && nd->flags & LOOKUP_DIRECTORY) {
64106 if (!d_can_lookup(nd->path.dentry)) {
64107 path_put(&nd->path);
64108 @@ -2004,8 +2028,15 @@ static int filename_lookup(int dfd, struct filename *name,
64109 retval = path_lookupat(dfd, name->name,
64110 flags | LOOKUP_REVAL, nd);
64111
64112 - if (likely(!retval))
64113 + if (likely(!retval)) {
64114 audit_inode(name, nd->path.dentry, flags & LOOKUP_PARENT);
64115 + if (name->name[0] != '/' && nd->path.dentry && nd->inode) {
64116 + if (!gr_chroot_fchdir(nd->path.dentry, nd->path.mnt)) {
64117 + path_put(&nd->path);
64118 + return -ENOENT;
64119 + }
64120 + }
64121 + }
64122 return retval;
64123 }
64124
64125 @@ -2582,6 +2613,13 @@ static int may_open(struct path *path, int acc_mode, int flag)
64126 if (flag & O_NOATIME && !inode_owner_or_capable(inode))
64127 return -EPERM;
64128
64129 + if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode))
64130 + return -EPERM;
64131 + if (gr_handle_rawio(inode))
64132 + return -EPERM;
64133 + if (!gr_acl_handle_open(dentry, path->mnt, acc_mode))
64134 + return -EACCES;
64135 +
64136 return 0;
64137 }
64138
64139 @@ -2813,7 +2851,7 @@ looked_up:
64140 * cleared otherwise prior to returning.
64141 */
64142 static int lookup_open(struct nameidata *nd, struct path *path,
64143 - struct file *file,
64144 + struct path *link, struct file *file,
64145 const struct open_flags *op,
64146 bool got_write, int *opened)
64147 {
64148 @@ -2848,6 +2886,17 @@ static int lookup_open(struct nameidata *nd, struct path *path,
64149 /* Negative dentry, just create the file */
64150 if (!dentry->d_inode && (op->open_flag & O_CREAT)) {
64151 umode_t mode = op->mode;
64152 +
64153 + if (link && gr_handle_symlink_owner(link, dir->d_inode)) {
64154 + error = -EACCES;
64155 + goto out_dput;
64156 + }
64157 +
64158 + if (!gr_acl_handle_creat(dentry, dir, nd->path.mnt, op->open_flag, op->acc_mode, mode)) {
64159 + error = -EACCES;
64160 + goto out_dput;
64161 + }
64162 +
64163 if (!IS_POSIXACL(dir->d_inode))
64164 mode &= ~current_umask();
64165 /*
64166 @@ -2869,6 +2918,8 @@ static int lookup_open(struct nameidata *nd, struct path *path,
64167 nd->flags & LOOKUP_EXCL);
64168 if (error)
64169 goto out_dput;
64170 + else
64171 + gr_handle_create(dentry, nd->path.mnt);
64172 }
64173 out_no_open:
64174 path->dentry = dentry;
64175 @@ -2883,7 +2934,7 @@ out_dput:
64176 /*
64177 * Handle the last step of open()
64178 */
64179 -static int do_last(struct nameidata *nd, struct path *path,
64180 +static int do_last(struct nameidata *nd, struct path *path, struct path *link,
64181 struct file *file, const struct open_flags *op,
64182 int *opened, struct filename *name)
64183 {
64184 @@ -2933,6 +2984,15 @@ static int do_last(struct nameidata *nd, struct path *path,
64185 if (error)
64186 return error;
64187
64188 + if (!gr_acl_handle_hidden_file(dir, nd->path.mnt)) {
64189 + error = -ENOENT;
64190 + goto out;
64191 + }
64192 + if (link && gr_handle_symlink_owner(link, nd->inode)) {
64193 + error = -EACCES;
64194 + goto out;
64195 + }
64196 +
64197 audit_inode(name, dir, LOOKUP_PARENT);
64198 error = -EISDIR;
64199 /* trailing slashes? */
64200 @@ -2952,7 +3012,7 @@ retry_lookup:
64201 */
64202 }
64203 mutex_lock(&dir->d_inode->i_mutex);
64204 - error = lookup_open(nd, path, file, op, got_write, opened);
64205 + error = lookup_open(nd, path, link, file, op, got_write, opened);
64206 mutex_unlock(&dir->d_inode->i_mutex);
64207
64208 if (error <= 0) {
64209 @@ -2976,11 +3036,28 @@ retry_lookup:
64210 goto finish_open_created;
64211 }
64212
64213 + if (!gr_acl_handle_hidden_file(path->dentry, nd->path.mnt)) {
64214 + error = -ENOENT;
64215 + goto exit_dput;
64216 + }
64217 + if (link && gr_handle_symlink_owner(link, path->dentry->d_inode)) {
64218 + error = -EACCES;
64219 + goto exit_dput;
64220 + }
64221 +
64222 /*
64223 * create/update audit record if it already exists.
64224 */
64225 - if (d_is_positive(path->dentry))
64226 + if (d_is_positive(path->dentry)) {
64227 + /* only check if O_CREAT is specified, all other checks need to go
64228 + into may_open */
64229 + if (gr_handle_fifo(path->dentry, path->mnt, dir, open_flag, acc_mode)) {
64230 + error = -EACCES;
64231 + goto exit_dput;
64232 + }
64233 +
64234 audit_inode(name, path->dentry, 0);
64235 + }
64236
64237 /*
64238 * If atomic_open() acquired write access it is dropped now due to
64239 @@ -3021,6 +3098,11 @@ finish_lookup:
64240 }
64241 }
64242 BUG_ON(inode != path->dentry->d_inode);
64243 + /* if we're resolving a symlink to another symlink */
64244 + if (link && gr_handle_symlink_owner(link, inode)) {
64245 + error = -EACCES;
64246 + goto out;
64247 + }
64248 return 1;
64249 }
64250
64251 @@ -3040,7 +3122,18 @@ finish_open:
64252 path_put(&save_parent);
64253 return error;
64254 }
64255 +
64256 + if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) {
64257 + error = -ENOENT;
64258 + goto out;
64259 + }
64260 + if (link && gr_handle_symlink_owner(link, nd->inode)) {
64261 + error = -EACCES;
64262 + goto out;
64263 + }
64264 +
64265 audit_inode(name, nd->path.dentry, 0);
64266 +
64267 error = -EISDIR;
64268 if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry))
64269 goto out;
64270 @@ -3207,7 +3300,7 @@ static struct file *path_openat(int dfd, struct filename *pathname,
64271 if (unlikely(error))
64272 goto out;
64273
64274 - error = do_last(nd, &path, file, op, &opened, pathname);
64275 + error = do_last(nd, &path, NULL, file, op, &opened, pathname);
64276 while (unlikely(error > 0)) { /* trailing symlink */
64277 struct path link = path;
64278 void *cookie;
64279 @@ -3225,7 +3318,7 @@ static struct file *path_openat(int dfd, struct filename *pathname,
64280 error = follow_link(&link, nd, &cookie);
64281 if (unlikely(error))
64282 break;
64283 - error = do_last(nd, &path, file, op, &opened, pathname);
64284 + error = do_last(nd, &path, &link, file, op, &opened, pathname);
64285 put_link(nd, &link, cookie);
64286 }
64287 out:
64288 @@ -3325,9 +3418,11 @@ struct dentry *kern_path_create(int dfd, const char *pathname,
64289 goto unlock;
64290
64291 error = -EEXIST;
64292 - if (d_is_positive(dentry))
64293 + if (d_is_positive(dentry)) {
64294 + if (!gr_acl_handle_hidden_file(dentry, nd.path.mnt))
64295 + error = -ENOENT;
64296 goto fail;
64297 -
64298 + }
64299 /*
64300 * Special case - lookup gave negative, but... we had foo/bar/
64301 * From the vfs_mknod() POV we just have a negative dentry -
64302 @@ -3379,6 +3474,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname,
64303 }
64304 EXPORT_SYMBOL(user_path_create);
64305
64306 +static struct dentry *user_path_create_with_name(int dfd, const char __user *pathname, struct path *path, struct filename **to, unsigned int lookup_flags)
64307 +{
64308 + struct filename *tmp = getname(pathname);
64309 + struct dentry *res;
64310 + if (IS_ERR(tmp))
64311 + return ERR_CAST(tmp);
64312 + res = kern_path_create(dfd, tmp->name, path, lookup_flags);
64313 + if (IS_ERR(res))
64314 + putname(tmp);
64315 + else
64316 + *to = tmp;
64317 + return res;
64318 +}
64319 +
64320 int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
64321 {
64322 int error = may_create(dir, dentry);
64323 @@ -3442,6 +3551,17 @@ retry:
64324
64325 if (!IS_POSIXACL(path.dentry->d_inode))
64326 mode &= ~current_umask();
64327 +
64328 + if (gr_handle_chroot_mknod(dentry, path.mnt, mode)) {
64329 + error = -EPERM;
64330 + goto out;
64331 + }
64332 +
64333 + if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
64334 + error = -EACCES;
64335 + goto out;
64336 + }
64337 +
64338 error = security_path_mknod(&path, dentry, mode, dev);
64339 if (error)
64340 goto out;
64341 @@ -3457,6 +3577,8 @@ retry:
64342 error = vfs_mknod(path.dentry->d_inode,dentry,mode,0);
64343 break;
64344 }
64345 + if (!error)
64346 + gr_handle_create(dentry, path.mnt);
64347 out:
64348 done_path_create(&path, dentry);
64349 if (retry_estale(error, lookup_flags)) {
64350 @@ -3511,9 +3633,16 @@ retry:
64351
64352 if (!IS_POSIXACL(path.dentry->d_inode))
64353 mode &= ~current_umask();
64354 + if (!gr_acl_handle_mkdir(dentry, path.dentry, path.mnt)) {
64355 + error = -EACCES;
64356 + goto out;
64357 + }
64358 error = security_path_mkdir(&path, dentry, mode);
64359 if (!error)
64360 error = vfs_mkdir(path.dentry->d_inode, dentry, mode);
64361 + if (!error)
64362 + gr_handle_create(dentry, path.mnt);
64363 +out:
64364 done_path_create(&path, dentry);
64365 if (retry_estale(error, lookup_flags)) {
64366 lookup_flags |= LOOKUP_REVAL;
64367 @@ -3597,6 +3726,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
64368 struct filename *name;
64369 struct dentry *dentry;
64370 struct nameidata nd;
64371 + ino_t saved_ino = 0;
64372 + dev_t saved_dev = 0;
64373 unsigned int lookup_flags = 0;
64374 retry:
64375 name = user_path_parent(dfd, pathname, &nd, lookup_flags);
64376 @@ -3629,10 +3760,21 @@ retry:
64377 error = -ENOENT;
64378 goto exit3;
64379 }
64380 +
64381 + saved_ino = dentry->d_inode->i_ino;
64382 + saved_dev = gr_get_dev_from_dentry(dentry);
64383 +
64384 + if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) {
64385 + error = -EACCES;
64386 + goto exit3;
64387 + }
64388 +
64389 error = security_path_rmdir(&nd.path, dentry);
64390 if (error)
64391 goto exit3;
64392 error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
64393 + if (!error && (saved_dev || saved_ino))
64394 + gr_handle_delete(saved_ino, saved_dev);
64395 exit3:
64396 dput(dentry);
64397 exit2:
64398 @@ -3725,6 +3867,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
64399 struct nameidata nd;
64400 struct inode *inode = NULL;
64401 struct inode *delegated_inode = NULL;
64402 + ino_t saved_ino = 0;
64403 + dev_t saved_dev = 0;
64404 unsigned int lookup_flags = 0;
64405 retry:
64406 name = user_path_parent(dfd, pathname, &nd, lookup_flags);
64407 @@ -3751,10 +3895,22 @@ retry_deleg:
64408 if (d_is_negative(dentry))
64409 goto slashes;
64410 ihold(inode);
64411 +
64412 + if (inode->i_nlink <= 1) {
64413 + saved_ino = inode->i_ino;
64414 + saved_dev = gr_get_dev_from_dentry(dentry);
64415 + }
64416 + if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) {
64417 + error = -EACCES;
64418 + goto exit2;
64419 + }
64420 +
64421 error = security_path_unlink(&nd.path, dentry);
64422 if (error)
64423 goto exit2;
64424 error = vfs_unlink(nd.path.dentry->d_inode, dentry, &delegated_inode);
64425 + if (!error && (saved_ino || saved_dev))
64426 + gr_handle_delete(saved_ino, saved_dev);
64427 exit2:
64428 dput(dentry);
64429 }
64430 @@ -3843,9 +3999,17 @@ retry:
64431 if (IS_ERR(dentry))
64432 goto out_putname;
64433
64434 + if (!gr_acl_handle_symlink(dentry, path.dentry, path.mnt, from)) {
64435 + error = -EACCES;
64436 + goto out;
64437 + }
64438 +
64439 error = security_path_symlink(&path, dentry, from->name);
64440 if (!error)
64441 error = vfs_symlink(path.dentry->d_inode, dentry, from->name);
64442 + if (!error)
64443 + gr_handle_create(dentry, path.mnt);
64444 +out:
64445 done_path_create(&path, dentry);
64446 if (retry_estale(error, lookup_flags)) {
64447 lookup_flags |= LOOKUP_REVAL;
64448 @@ -3949,6 +4113,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
64449 struct dentry *new_dentry;
64450 struct path old_path, new_path;
64451 struct inode *delegated_inode = NULL;
64452 + struct filename *to = NULL;
64453 int how = 0;
64454 int error;
64455
64456 @@ -3972,7 +4137,7 @@ retry:
64457 if (error)
64458 return error;
64459
64460 - new_dentry = user_path_create(newdfd, newname, &new_path,
64461 + new_dentry = user_path_create_with_name(newdfd, newname, &new_path, &to,
64462 (how & LOOKUP_REVAL));
64463 error = PTR_ERR(new_dentry);
64464 if (IS_ERR(new_dentry))
64465 @@ -3984,11 +4149,28 @@ retry:
64466 error = may_linkat(&old_path);
64467 if (unlikely(error))
64468 goto out_dput;
64469 +
64470 + if (gr_handle_hardlink(old_path.dentry, old_path.mnt,
64471 + old_path.dentry->d_inode,
64472 + old_path.dentry->d_inode->i_mode, to)) {
64473 + error = -EACCES;
64474 + goto out_dput;
64475 + }
64476 +
64477 + if (!gr_acl_handle_link(new_dentry, new_path.dentry, new_path.mnt,
64478 + old_path.dentry, old_path.mnt, to)) {
64479 + error = -EACCES;
64480 + goto out_dput;
64481 + }
64482 +
64483 error = security_path_link(old_path.dentry, &new_path, new_dentry);
64484 if (error)
64485 goto out_dput;
64486 error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry, &delegated_inode);
64487 + if (!error)
64488 + gr_handle_create(new_dentry, new_path.mnt);
64489 out_dput:
64490 + putname(to);
64491 done_path_create(&new_path, new_dentry);
64492 if (delegated_inode) {
64493 error = break_deleg_wait(&delegated_inode);
64494 @@ -4304,6 +4486,20 @@ retry_deleg:
64495 if (new_dentry == trap)
64496 goto exit5;
64497
64498 + if (gr_bad_chroot_rename(old_dentry, oldnd.path.mnt, new_dentry, newnd.path.mnt)) {
64499 + /* use EXDEV error to cause 'mv' to switch to an alternative
64500 + * method for usability
64501 + */
64502 + error = -EXDEV;
64503 + goto exit5;
64504 + }
64505 +
64506 + error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt,
64507 + old_dentry, old_dir->d_inode, oldnd.path.mnt,
64508 + to, flags);
64509 + if (error)
64510 + goto exit5;
64511 +
64512 error = security_path_rename(&oldnd.path, old_dentry,
64513 &newnd.path, new_dentry, flags);
64514 if (error)
64515 @@ -4311,6 +4507,9 @@ retry_deleg:
64516 error = vfs_rename(old_dir->d_inode, old_dentry,
64517 new_dir->d_inode, new_dentry,
64518 &delegated_inode, flags);
64519 + if (!error)
64520 + gr_handle_rename(old_dir->d_inode, new_dir->d_inode, old_dentry,
64521 + new_dentry, oldnd.path.mnt, new_dentry->d_inode ? 1 : 0, flags);
64522 exit5:
64523 dput(new_dentry);
64524 exit4:
64525 @@ -4367,14 +4566,24 @@ EXPORT_SYMBOL(vfs_whiteout);
64526
64527 int readlink_copy(char __user *buffer, int buflen, const char *link)
64528 {
64529 + char tmpbuf[64];
64530 + const char *newlink;
64531 int len = PTR_ERR(link);
64532 +
64533 if (IS_ERR(link))
64534 goto out;
64535
64536 len = strlen(link);
64537 if (len > (unsigned) buflen)
64538 len = buflen;
64539 - if (copy_to_user(buffer, link, len))
64540 +
64541 + if (len < sizeof(tmpbuf)) {
64542 + memcpy(tmpbuf, link, len);
64543 + newlink = tmpbuf;
64544 + } else
64545 + newlink = link;
64546 +
64547 + if (copy_to_user(buffer, newlink, len))
64548 len = -EFAULT;
64549 out:
64550 return len;
64551 diff --git a/fs/namespace.c b/fs/namespace.c
64552 index bbde147..f4deeba 100644
64553 --- a/fs/namespace.c
64554 +++ b/fs/namespace.c
64555 @@ -1447,6 +1447,9 @@ static int do_umount(struct mount *mnt, int flags)
64556 if (!(sb->s_flags & MS_RDONLY))
64557 retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
64558 up_write(&sb->s_umount);
64559 +
64560 + gr_log_remount(mnt->mnt_devname, retval);
64561 +
64562 return retval;
64563 }
64564
64565 @@ -1469,6 +1472,9 @@ static int do_umount(struct mount *mnt, int flags)
64566 }
64567 unlock_mount_hash();
64568 namespace_unlock();
64569 +
64570 + gr_log_unmount(mnt->mnt_devname, retval);
64571 +
64572 return retval;
64573 }
64574
64575 @@ -1519,7 +1525,7 @@ static inline bool may_mount(void)
64576 * unixes. Our API is identical to OSF/1 to avoid making a mess of AMD
64577 */
64578
64579 -SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
64580 +SYSCALL_DEFINE2(umount, const char __user *, name, int, flags)
64581 {
64582 struct path path;
64583 struct mount *mnt;
64584 @@ -1564,7 +1570,7 @@ out:
64585 /*
64586 * The 2.0 compatible umount. No flags.
64587 */
64588 -SYSCALL_DEFINE1(oldumount, char __user *, name)
64589 +SYSCALL_DEFINE1(oldumount, const char __user *, name)
64590 {
64591 return sys_umount(name, 0);
64592 }
64593 @@ -2632,6 +2638,16 @@ long do_mount(const char *dev_name, const char __user *dir_name,
64594 MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
64595 MS_STRICTATIME);
64596
64597 + if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) {
64598 + retval = -EPERM;
64599 + goto dput_out;
64600 + }
64601 +
64602 + if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) {
64603 + retval = -EPERM;
64604 + goto dput_out;
64605 + }
64606 +
64607 if (flags & MS_REMOUNT)
64608 retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
64609 data_page);
64610 @@ -2645,7 +2661,10 @@ long do_mount(const char *dev_name, const char __user *dir_name,
64611 retval = do_new_mount(&path, type_page, flags, mnt_flags,
64612 dev_name, data_page);
64613 dput_out:
64614 + gr_log_mount(dev_name, &path, retval);
64615 +
64616 path_put(&path);
64617 +
64618 return retval;
64619 }
64620
64621 @@ -2663,7 +2682,7 @@ static void free_mnt_ns(struct mnt_namespace *ns)
64622 * number incrementing at 10Ghz will take 12,427 years to wrap which
64623 * is effectively never, so we can ignore the possibility.
64624 */
64625 -static atomic64_t mnt_ns_seq = ATOMIC64_INIT(1);
64626 +static atomic64_unchecked_t mnt_ns_seq = ATOMIC64_INIT(1);
64627
64628 static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns)
64629 {
64630 @@ -2678,7 +2697,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns)
64631 kfree(new_ns);
64632 return ERR_PTR(ret);
64633 }
64634 - new_ns->seq = atomic64_add_return(1, &mnt_ns_seq);
64635 + new_ns->seq = atomic64_inc_return_unchecked(&mnt_ns_seq);
64636 atomic_set(&new_ns->count, 1);
64637 new_ns->root = NULL;
64638 INIT_LIST_HEAD(&new_ns->list);
64639 @@ -2688,7 +2707,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns)
64640 return new_ns;
64641 }
64642
64643 -struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns,
64644 +__latent_entropy struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns,
64645 struct user_namespace *user_ns, struct fs_struct *new_fs)
64646 {
64647 struct mnt_namespace *new_ns;
64648 @@ -2809,8 +2828,8 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
64649 }
64650 EXPORT_SYMBOL(mount_subtree);
64651
64652 -SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
64653 - char __user *, type, unsigned long, flags, void __user *, data)
64654 +SYSCALL_DEFINE5(mount, const char __user *, dev_name, const char __user *, dir_name,
64655 + const char __user *, type, unsigned long, flags, void __user *, data)
64656 {
64657 int ret;
64658 char *kernel_type;
64659 @@ -2916,6 +2935,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
64660 if (error)
64661 goto out2;
64662
64663 + if (gr_handle_chroot_pivot()) {
64664 + error = -EPERM;
64665 + goto out2;
64666 + }
64667 +
64668 get_fs_root(current->fs, &root);
64669 old_mp = lock_mount(&old);
64670 error = PTR_ERR(old_mp);
64671 @@ -3187,7 +3211,7 @@ static int mntns_install(struct nsproxy *nsproxy, void *ns)
64672 !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
64673 return -EPERM;
64674
64675 - if (fs->users != 1)
64676 + if (atomic_read(&fs->users) != 1)
64677 return -EINVAL;
64678
64679 get_mnt_ns(mnt_ns);
64680 diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
64681 index f4ccfe6..a5cf064 100644
64682 --- a/fs/nfs/callback_xdr.c
64683 +++ b/fs/nfs/callback_xdr.c
64684 @@ -51,7 +51,7 @@ struct callback_op {
64685 callback_decode_arg_t decode_args;
64686 callback_encode_res_t encode_res;
64687 long res_maxsize;
64688 -};
64689 +} __do_const;
64690
64691 static struct callback_op callback_ops[];
64692
64693 diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
64694 index 00689a8..b162632 100644
64695 --- a/fs/nfs/inode.c
64696 +++ b/fs/nfs/inode.c
64697 @@ -1232,16 +1232,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt
64698 return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
64699 }
64700
64701 -static atomic_long_t nfs_attr_generation_counter;
64702 +static atomic_long_unchecked_t nfs_attr_generation_counter;
64703
64704 static unsigned long nfs_read_attr_generation_counter(void)
64705 {
64706 - return atomic_long_read(&nfs_attr_generation_counter);
64707 + return atomic_long_read_unchecked(&nfs_attr_generation_counter);
64708 }
64709
64710 unsigned long nfs_inc_attr_generation_counter(void)
64711 {
64712 - return atomic_long_inc_return(&nfs_attr_generation_counter);
64713 + return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter);
64714 }
64715
64716 void nfs_fattr_init(struct nfs_fattr *fattr)
64717 diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
64718 index 0beb023..3f685ec 100644
64719 --- a/fs/nfsd/nfs4proc.c
64720 +++ b/fs/nfsd/nfs4proc.c
64721 @@ -1198,7 +1198,7 @@ struct nfsd4_operation {
64722 nfsd4op_rsize op_rsize_bop;
64723 stateid_getter op_get_currentstateid;
64724 stateid_setter op_set_currentstateid;
64725 -};
64726 +} __do_const;
64727
64728 static struct nfsd4_operation nfsd4_ops[];
64729
64730 diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
64731 index 2a77603..68e0e37 100644
64732 --- a/fs/nfsd/nfs4xdr.c
64733 +++ b/fs/nfsd/nfs4xdr.c
64734 @@ -1543,7 +1543,7 @@ nfsd4_decode_notsupp(struct nfsd4_compoundargs *argp, void *p)
64735
64736 typedef __be32(*nfsd4_dec)(struct nfsd4_compoundargs *argp, void *);
64737
64738 -static nfsd4_dec nfsd4_dec_ops[] = {
64739 +static const nfsd4_dec nfsd4_dec_ops[] = {
64740 [OP_ACCESS] = (nfsd4_dec)nfsd4_decode_access,
64741 [OP_CLOSE] = (nfsd4_dec)nfsd4_decode_close,
64742 [OP_COMMIT] = (nfsd4_dec)nfsd4_decode_commit,
64743 diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
64744 index 122f691..a00e2e0 100644
64745 --- a/fs/nfsd/nfscache.c
64746 +++ b/fs/nfsd/nfscache.c
64747 @@ -537,7 +537,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
64748 struct kvec *resv = &rqstp->rq_res.head[0], *cachv;
64749 u32 hash;
64750 struct nfsd_drc_bucket *b;
64751 - int len;
64752 + long len;
64753 size_t bufsize = 0;
64754
64755 if (!rp)
64756 @@ -546,11 +546,14 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
64757 hash = nfsd_cache_hash(rp->c_xid);
64758 b = &drc_hashtbl[hash];
64759
64760 - len = resv->iov_len - ((char*)statp - (char*)resv->iov_base);
64761 - len >>= 2;
64762 + if (statp) {
64763 + len = (char*)statp - (char*)resv->iov_base;
64764 + len = resv->iov_len - len;
64765 + len >>= 2;
64766 + }
64767
64768 /* Don't cache excessive amounts of data and XDR failures */
64769 - if (!statp || len > (256 >> 2)) {
64770 + if (!statp || len > (256 >> 2) || len < 0) {
64771 nfsd_reply_cache_free(b, rp);
64772 return;
64773 }
64774 @@ -558,7 +561,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
64775 switch (cachetype) {
64776 case RC_REPLSTAT:
64777 if (len != 1)
64778 - printk("nfsd: RC_REPLSTAT/reply len %d!\n",len);
64779 + printk("nfsd: RC_REPLSTAT/reply len %ld!\n",len);
64780 rp->c_replstat = *statp;
64781 break;
64782 case RC_REPLBUFF:
64783 diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
64784 index 989129e..42e019e 100644
64785 --- a/fs/nfsd/vfs.c
64786 +++ b/fs/nfsd/vfs.c
64787 @@ -872,7 +872,7 @@ __be32 nfsd_readv(struct file *file, loff_t offset, struct kvec *vec, int vlen,
64788
64789 oldfs = get_fs();
64790 set_fs(KERNEL_DS);
64791 - host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset);
64792 + host_err = vfs_readv(file, (struct iovec __force_user *)vec, vlen, &offset);
64793 set_fs(oldfs);
64794 return nfsd_finish_read(file, count, host_err);
64795 }
64796 @@ -960,7 +960,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
64797
64798 /* Write the data. */
64799 oldfs = get_fs(); set_fs(KERNEL_DS);
64800 - host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &pos);
64801 + host_err = vfs_writev(file, (struct iovec __force_user *)vec, vlen, &pos);
64802 set_fs(oldfs);
64803 if (host_err < 0)
64804 goto out_nfserr;
64805 @@ -1502,7 +1502,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
64806 */
64807
64808 oldfs = get_fs(); set_fs(KERNEL_DS);
64809 - host_err = inode->i_op->readlink(path.dentry, (char __user *)buf, *lenp);
64810 + host_err = inode->i_op->readlink(path.dentry, (char __force_user *)buf, *lenp);
64811 set_fs(oldfs);
64812
64813 if (host_err < 0)
64814 diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
64815 index 52ccd34..7a6b202 100644
64816 --- a/fs/nls/nls_base.c
64817 +++ b/fs/nls/nls_base.c
64818 @@ -234,21 +234,25 @@ EXPORT_SYMBOL(utf16s_to_utf8s);
64819
64820 int __register_nls(struct nls_table *nls, struct module *owner)
64821 {
64822 - struct nls_table ** tmp = &tables;
64823 + struct nls_table *tmp = tables;
64824
64825 if (nls->next)
64826 return -EBUSY;
64827
64828 - nls->owner = owner;
64829 + pax_open_kernel();
64830 + *(void **)&nls->owner = owner;
64831 + pax_close_kernel();
64832 spin_lock(&nls_lock);
64833 - while (*tmp) {
64834 - if (nls == *tmp) {
64835 + while (tmp) {
64836 + if (nls == tmp) {
64837 spin_unlock(&nls_lock);
64838 return -EBUSY;
64839 }
64840 - tmp = &(*tmp)->next;
64841 + tmp = tmp->next;
64842 }
64843 - nls->next = tables;
64844 + pax_open_kernel();
64845 + *(struct nls_table **)&nls->next = tables;
64846 + pax_close_kernel();
64847 tables = nls;
64848 spin_unlock(&nls_lock);
64849 return 0;
64850 @@ -257,12 +261,14 @@ EXPORT_SYMBOL(__register_nls);
64851
64852 int unregister_nls(struct nls_table * nls)
64853 {
64854 - struct nls_table ** tmp = &tables;
64855 + struct nls_table * const * tmp = &tables;
64856
64857 spin_lock(&nls_lock);
64858 while (*tmp) {
64859 if (nls == *tmp) {
64860 - *tmp = nls->next;
64861 + pax_open_kernel();
64862 + *(struct nls_table **)tmp = nls->next;
64863 + pax_close_kernel();
64864 spin_unlock(&nls_lock);
64865 return 0;
64866 }
64867 @@ -272,7 +278,7 @@ int unregister_nls(struct nls_table * nls)
64868 return -EINVAL;
64869 }
64870
64871 -static struct nls_table *find_nls(char *charset)
64872 +static struct nls_table *find_nls(const char *charset)
64873 {
64874 struct nls_table *nls;
64875 spin_lock(&nls_lock);
64876 @@ -288,7 +294,7 @@ static struct nls_table *find_nls(char *charset)
64877 return nls;
64878 }
64879
64880 -struct nls_table *load_nls(char *charset)
64881 +struct nls_table *load_nls(const char *charset)
64882 {
64883 return try_then_request_module(find_nls(charset), "nls_%s", charset);
64884 }
64885 diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c
64886 index 162b3f1..6076a7c 100644
64887 --- a/fs/nls/nls_euc-jp.c
64888 +++ b/fs/nls/nls_euc-jp.c
64889 @@ -560,8 +560,10 @@ static int __init init_nls_euc_jp(void)
64890 p_nls = load_nls("cp932");
64891
64892 if (p_nls) {
64893 - table.charset2upper = p_nls->charset2upper;
64894 - table.charset2lower = p_nls->charset2lower;
64895 + pax_open_kernel();
64896 + *(const unsigned char **)&table.charset2upper = p_nls->charset2upper;
64897 + *(const unsigned char **)&table.charset2lower = p_nls->charset2lower;
64898 + pax_close_kernel();
64899 return register_nls(&table);
64900 }
64901
64902 diff --git a/fs/nls/nls_koi8-ru.c b/fs/nls/nls_koi8-ru.c
64903 index a80a741..7b96e1b 100644
64904 --- a/fs/nls/nls_koi8-ru.c
64905 +++ b/fs/nls/nls_koi8-ru.c
64906 @@ -62,8 +62,10 @@ static int __init init_nls_koi8_ru(void)
64907 p_nls = load_nls("koi8-u");
64908
64909 if (p_nls) {
64910 - table.charset2upper = p_nls->charset2upper;
64911 - table.charset2lower = p_nls->charset2lower;
64912 + pax_open_kernel();
64913 + *(const unsigned char **)&table.charset2upper = p_nls->charset2upper;
64914 + *(const unsigned char **)&table.charset2lower = p_nls->charset2lower;
64915 + pax_close_kernel();
64916 return register_nls(&table);
64917 }
64918
64919 diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
64920 index c991616..5ae51af 100644
64921 --- a/fs/notify/fanotify/fanotify_user.c
64922 +++ b/fs/notify/fanotify/fanotify_user.c
64923 @@ -216,8 +216,8 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
64924
64925 fd = fanotify_event_metadata.fd;
64926 ret = -EFAULT;
64927 - if (copy_to_user(buf, &fanotify_event_metadata,
64928 - fanotify_event_metadata.event_len))
64929 + if (fanotify_event_metadata.event_len > sizeof fanotify_event_metadata ||
64930 + copy_to_user(buf, &fanotify_event_metadata, fanotify_event_metadata.event_len))
64931 goto out_close_fd;
64932
64933 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
64934 diff --git a/fs/notify/notification.c b/fs/notify/notification.c
64935 index a95d8e0..a91a5fd 100644
64936 --- a/fs/notify/notification.c
64937 +++ b/fs/notify/notification.c
64938 @@ -48,7 +48,7 @@
64939 #include <linux/fsnotify_backend.h>
64940 #include "fsnotify.h"
64941
64942 -static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
64943 +static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0);
64944
64945 /**
64946 * fsnotify_get_cookie - return a unique cookie for use in synchronizing events.
64947 @@ -56,7 +56,7 @@ static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0);
64948 */
64949 u32 fsnotify_get_cookie(void)
64950 {
64951 - return atomic_inc_return(&fsnotify_sync_cookie);
64952 + return atomic_inc_return_unchecked(&fsnotify_sync_cookie);
64953 }
64954 EXPORT_SYMBOL_GPL(fsnotify_get_cookie);
64955
64956 diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
64957 index 9e38daf..5727cae 100644
64958 --- a/fs/ntfs/dir.c
64959 +++ b/fs/ntfs/dir.c
64960 @@ -1310,7 +1310,7 @@ find_next_index_buffer:
64961 ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK &
64962 ~(s64)(ndir->itype.index.block_size - 1)));
64963 /* Bounds checks. */
64964 - if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
64965 + if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
64966 ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
64967 "inode 0x%lx or driver bug.", vdir->i_ino);
64968 goto err_out;
64969 diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
64970 index 643faa4..ef9027e 100644
64971 --- a/fs/ntfs/file.c
64972 +++ b/fs/ntfs/file.c
64973 @@ -1280,7 +1280,7 @@ static inline size_t ntfs_copy_from_user(struct page **pages,
64974 char *addr;
64975 size_t total = 0;
64976 unsigned len;
64977 - int left;
64978 + unsigned left;
64979
64980 do {
64981 len = PAGE_CACHE_SIZE - ofs;
64982 diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
64983 index 9e1e112..241a52a 100644
64984 --- a/fs/ntfs/super.c
64985 +++ b/fs/ntfs/super.c
64986 @@ -688,7 +688,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb,
64987 if (!silent)
64988 ntfs_error(sb, "Primary boot sector is invalid.");
64989 } else if (!silent)
64990 - ntfs_error(sb, read_err_str, "primary");
64991 + ntfs_error(sb, read_err_str, "%s", "primary");
64992 if (!(NTFS_SB(sb)->on_errors & ON_ERRORS_RECOVER)) {
64993 if (bh_primary)
64994 brelse(bh_primary);
64995 @@ -704,7 +704,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb,
64996 goto hotfix_primary_boot_sector;
64997 brelse(bh_backup);
64998 } else if (!silent)
64999 - ntfs_error(sb, read_err_str, "backup");
65000 + ntfs_error(sb, read_err_str, "%s", "backup");
65001 /* Try to read NT3.51- backup boot sector. */
65002 if ((bh_backup = sb_bread(sb, nr_blocks >> 1))) {
65003 if (is_boot_sector_ntfs(sb, (NTFS_BOOT_SECTOR*)
65004 @@ -715,7 +715,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb,
65005 "sector.");
65006 brelse(bh_backup);
65007 } else if (!silent)
65008 - ntfs_error(sb, read_err_str, "backup");
65009 + ntfs_error(sb, read_err_str, "%s", "backup");
65010 /* We failed. Cleanup and return. */
65011 if (bh_primary)
65012 brelse(bh_primary);
65013 diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
65014 index 0440134..d52c93a 100644
65015 --- a/fs/ocfs2/localalloc.c
65016 +++ b/fs/ocfs2/localalloc.c
65017 @@ -1320,7 +1320,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
65018 goto bail;
65019 }
65020
65021 - atomic_inc(&osb->alloc_stats.moves);
65022 + atomic_inc_unchecked(&osb->alloc_stats.moves);
65023
65024 bail:
65025 if (handle)
65026 diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
65027 index bbec539..7b266d5 100644
65028 --- a/fs/ocfs2/ocfs2.h
65029 +++ b/fs/ocfs2/ocfs2.h
65030 @@ -236,11 +236,11 @@ enum ocfs2_vol_state
65031
65032 struct ocfs2_alloc_stats
65033 {
65034 - atomic_t moves;
65035 - atomic_t local_data;
65036 - atomic_t bitmap_data;
65037 - atomic_t bg_allocs;
65038 - atomic_t bg_extends;
65039 + atomic_unchecked_t moves;
65040 + atomic_unchecked_t local_data;
65041 + atomic_unchecked_t bitmap_data;
65042 + atomic_unchecked_t bg_allocs;
65043 + atomic_unchecked_t bg_extends;
65044 };
65045
65046 enum ocfs2_local_alloc_state
65047 diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
65048 index 0cb889a..6a26b24 100644
65049 --- a/fs/ocfs2/suballoc.c
65050 +++ b/fs/ocfs2/suballoc.c
65051 @@ -867,7 +867,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
65052 mlog_errno(status);
65053 goto bail;
65054 }
65055 - atomic_inc(&osb->alloc_stats.bg_extends);
65056 + atomic_inc_unchecked(&osb->alloc_stats.bg_extends);
65057
65058 /* You should never ask for this much metadata */
65059 BUG_ON(bits_wanted >
65060 @@ -2014,7 +2014,7 @@ int ocfs2_claim_metadata(handle_t *handle,
65061 mlog_errno(status);
65062 goto bail;
65063 }
65064 - atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65065 + atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65066
65067 *suballoc_loc = res.sr_bg_blkno;
65068 *suballoc_bit_start = res.sr_bit_offset;
65069 @@ -2180,7 +2180,7 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle,
65070 trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno,
65071 res->sr_bits);
65072
65073 - atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65074 + atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65075
65076 BUG_ON(res->sr_bits != 1);
65077
65078 @@ -2222,7 +2222,7 @@ int ocfs2_claim_new_inode(handle_t *handle,
65079 mlog_errno(status);
65080 goto bail;
65081 }
65082 - atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65083 + atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
65084
65085 BUG_ON(res.sr_bits != 1);
65086
65087 @@ -2326,7 +2326,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
65088 cluster_start,
65089 num_clusters);
65090 if (!status)
65091 - atomic_inc(&osb->alloc_stats.local_data);
65092 + atomic_inc_unchecked(&osb->alloc_stats.local_data);
65093 } else {
65094 if (min_clusters > (osb->bitmap_cpg - 1)) {
65095 /* The only paths asking for contiguousness
65096 @@ -2352,7 +2352,7 @@ int __ocfs2_claim_clusters(handle_t *handle,
65097 ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode,
65098 res.sr_bg_blkno,
65099 res.sr_bit_offset);
65100 - atomic_inc(&osb->alloc_stats.bitmap_data);
65101 + atomic_inc_unchecked(&osb->alloc_stats.bitmap_data);
65102 *num_clusters = res.sr_bits;
65103 }
65104 }
65105 diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
65106 index 93c85bc..02f68a4 100644
65107 --- a/fs/ocfs2/super.c
65108 +++ b/fs/ocfs2/super.c
65109 @@ -300,11 +300,11 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
65110 "%10s => GlobalAllocs: %d LocalAllocs: %d "
65111 "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n",
65112 "Stats",
65113 - atomic_read(&osb->alloc_stats.bitmap_data),
65114 - atomic_read(&osb->alloc_stats.local_data),
65115 - atomic_read(&osb->alloc_stats.bg_allocs),
65116 - atomic_read(&osb->alloc_stats.moves),
65117 - atomic_read(&osb->alloc_stats.bg_extends));
65118 + atomic_read_unchecked(&osb->alloc_stats.bitmap_data),
65119 + atomic_read_unchecked(&osb->alloc_stats.local_data),
65120 + atomic_read_unchecked(&osb->alloc_stats.bg_allocs),
65121 + atomic_read_unchecked(&osb->alloc_stats.moves),
65122 + atomic_read_unchecked(&osb->alloc_stats.bg_extends));
65123
65124 out += snprintf(buf + out, len - out,
65125 "%10s => State: %u Descriptor: %llu Size: %u bits "
65126 @@ -2104,11 +2104,11 @@ static int ocfs2_initialize_super(struct super_block *sb,
65127
65128 mutex_init(&osb->system_file_mutex);
65129
65130 - atomic_set(&osb->alloc_stats.moves, 0);
65131 - atomic_set(&osb->alloc_stats.local_data, 0);
65132 - atomic_set(&osb->alloc_stats.bitmap_data, 0);
65133 - atomic_set(&osb->alloc_stats.bg_allocs, 0);
65134 - atomic_set(&osb->alloc_stats.bg_extends, 0);
65135 + atomic_set_unchecked(&osb->alloc_stats.moves, 0);
65136 + atomic_set_unchecked(&osb->alloc_stats.local_data, 0);
65137 + atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0);
65138 + atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0);
65139 + atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0);
65140
65141 /* Copy the blockcheck stats from the superblock probe */
65142 osb->osb_ecc_stats = *stats;
65143 diff --git a/fs/open.c b/fs/open.c
65144 index de92c13..52d2a6c 100644
65145 --- a/fs/open.c
65146 +++ b/fs/open.c
65147 @@ -32,6 +32,8 @@
65148 #include <linux/dnotify.h>
65149 #include <linux/compat.h>
65150
65151 +#define CREATE_TRACE_POINTS
65152 +#include <trace/events/fs.h>
65153 #include "internal.h"
65154
65155 int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
65156 @@ -103,6 +105,8 @@ long vfs_truncate(struct path *path, loff_t length)
65157 error = locks_verify_truncate(inode, NULL, length);
65158 if (!error)
65159 error = security_path_truncate(path);
65160 + if (!error && !gr_acl_handle_truncate(path->dentry, path->mnt))
65161 + error = -EACCES;
65162 if (!error)
65163 error = do_truncate(path->dentry, length, 0, NULL);
65164
65165 @@ -187,6 +191,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
65166 error = locks_verify_truncate(inode, f.file, length);
65167 if (!error)
65168 error = security_path_truncate(&f.file->f_path);
65169 + if (!error && !gr_acl_handle_truncate(f.file->f_path.dentry, f.file->f_path.mnt))
65170 + error = -EACCES;
65171 if (!error)
65172 error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file);
65173 sb_end_write(inode->i_sb);
65174 @@ -380,6 +386,9 @@ retry:
65175 if (__mnt_is_readonly(path.mnt))
65176 res = -EROFS;
65177
65178 + if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode))
65179 + res = -EACCES;
65180 +
65181 out_path_release:
65182 path_put(&path);
65183 if (retry_estale(res, lookup_flags)) {
65184 @@ -411,6 +420,8 @@ retry:
65185 if (error)
65186 goto dput_and_out;
65187
65188 + gr_log_chdir(path.dentry, path.mnt);
65189 +
65190 set_fs_pwd(current->fs, &path);
65191
65192 dput_and_out:
65193 @@ -440,6 +451,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd)
65194 goto out_putf;
65195
65196 error = inode_permission(inode, MAY_EXEC | MAY_CHDIR);
65197 +
65198 + if (!error && !gr_chroot_fchdir(f.file->f_path.dentry, f.file->f_path.mnt))
65199 + error = -EPERM;
65200 +
65201 + if (!error)
65202 + gr_log_chdir(f.file->f_path.dentry, f.file->f_path.mnt);
65203 +
65204 if (!error)
65205 set_fs_pwd(current->fs, &f.file->f_path);
65206 out_putf:
65207 @@ -469,7 +487,13 @@ retry:
65208 if (error)
65209 goto dput_and_out;
65210
65211 + if (gr_handle_chroot_chroot(path.dentry, path.mnt))
65212 + goto dput_and_out;
65213 +
65214 set_fs_root(current->fs, &path);
65215 +
65216 + gr_handle_chroot_chdir(&path);
65217 +
65218 error = 0;
65219 dput_and_out:
65220 path_put(&path);
65221 @@ -493,6 +517,16 @@ static int chmod_common(struct path *path, umode_t mode)
65222 return error;
65223 retry_deleg:
65224 mutex_lock(&inode->i_mutex);
65225 +
65226 + if (!gr_acl_handle_chmod(path->dentry, path->mnt, &mode)) {
65227 + error = -EACCES;
65228 + goto out_unlock;
65229 + }
65230 + if (gr_handle_chroot_chmod(path->dentry, path->mnt, mode)) {
65231 + error = -EACCES;
65232 + goto out_unlock;
65233 + }
65234 +
65235 error = security_path_chmod(path, mode);
65236 if (error)
65237 goto out_unlock;
65238 @@ -558,6 +592,9 @@ static int chown_common(struct path *path, uid_t user, gid_t group)
65239 uid = make_kuid(current_user_ns(), user);
65240 gid = make_kgid(current_user_ns(), group);
65241
65242 + if (!gr_acl_handle_chown(path->dentry, path->mnt))
65243 + return -EACCES;
65244 +
65245 newattrs.ia_valid = ATTR_CTIME;
65246 if (user != (uid_t) -1) {
65247 if (!uid_valid(uid))
65248 @@ -1002,6 +1039,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode)
65249 } else {
65250 fsnotify_open(f);
65251 fd_install(fd, f);
65252 + trace_do_sys_open(tmp->name, flags, mode);
65253 }
65254 }
65255 putname(tmp);
65256 diff --git a/fs/pipe.c b/fs/pipe.c
65257 index 21981e5..3d5f55c 100644
65258 --- a/fs/pipe.c
65259 +++ b/fs/pipe.c
65260 @@ -56,7 +56,7 @@ unsigned int pipe_min_size = PAGE_SIZE;
65261
65262 static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass)
65263 {
65264 - if (pipe->files)
65265 + if (atomic_read(&pipe->files))
65266 mutex_lock_nested(&pipe->mutex, subclass);
65267 }
65268
65269 @@ -71,7 +71,7 @@ EXPORT_SYMBOL(pipe_lock);
65270
65271 void pipe_unlock(struct pipe_inode_info *pipe)
65272 {
65273 - if (pipe->files)
65274 + if (atomic_read(&pipe->files))
65275 mutex_unlock(&pipe->mutex);
65276 }
65277 EXPORT_SYMBOL(pipe_unlock);
65278 @@ -292,9 +292,9 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
65279 }
65280 if (bufs) /* More to do? */
65281 continue;
65282 - if (!pipe->writers)
65283 + if (!atomic_read(&pipe->writers))
65284 break;
65285 - if (!pipe->waiting_writers) {
65286 + if (!atomic_read(&pipe->waiting_writers)) {
65287 /* syscall merging: Usually we must not sleep
65288 * if O_NONBLOCK is set, or if we got some data.
65289 * But if a writer sleeps in kernel space, then
65290 @@ -351,7 +351,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
65291
65292 __pipe_lock(pipe);
65293
65294 - if (!pipe->readers) {
65295 + if (!atomic_read(&pipe->readers)) {
65296 send_sig(SIGPIPE, current, 0);
65297 ret = -EPIPE;
65298 goto out;
65299 @@ -387,7 +387,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
65300 for (;;) {
65301 int bufs;
65302
65303 - if (!pipe->readers) {
65304 + if (!atomic_read(&pipe->readers)) {
65305 send_sig(SIGPIPE, current, 0);
65306 if (!ret)
65307 ret = -EPIPE;
65308 @@ -455,9 +455,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
65309 kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
65310 do_wakeup = 0;
65311 }
65312 - pipe->waiting_writers++;
65313 + atomic_inc(&pipe->waiting_writers);
65314 pipe_wait(pipe);
65315 - pipe->waiting_writers--;
65316 + atomic_dec(&pipe->waiting_writers);
65317 }
65318 out:
65319 __pipe_unlock(pipe);
65320 @@ -512,7 +512,7 @@ pipe_poll(struct file *filp, poll_table *wait)
65321 mask = 0;
65322 if (filp->f_mode & FMODE_READ) {
65323 mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0;
65324 - if (!pipe->writers && filp->f_version != pipe->w_counter)
65325 + if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter)
65326 mask |= POLLHUP;
65327 }
65328
65329 @@ -522,7 +522,7 @@ pipe_poll(struct file *filp, poll_table *wait)
65330 * Most Unices do not set POLLERR for FIFOs but on Linux they
65331 * behave exactly like pipes for poll().
65332 */
65333 - if (!pipe->readers)
65334 + if (!atomic_read(&pipe->readers))
65335 mask |= POLLERR;
65336 }
65337
65338 @@ -534,7 +534,7 @@ static void put_pipe_info(struct inode *inode, struct pipe_inode_info *pipe)
65339 int kill = 0;
65340
65341 spin_lock(&inode->i_lock);
65342 - if (!--pipe->files) {
65343 + if (atomic_dec_and_test(&pipe->files)) {
65344 inode->i_pipe = NULL;
65345 kill = 1;
65346 }
65347 @@ -551,11 +551,11 @@ pipe_release(struct inode *inode, struct file *file)
65348
65349 __pipe_lock(pipe);
65350 if (file->f_mode & FMODE_READ)
65351 - pipe->readers--;
65352 + atomic_dec(&pipe->readers);
65353 if (file->f_mode & FMODE_WRITE)
65354 - pipe->writers--;
65355 + atomic_dec(&pipe->writers);
65356
65357 - if (pipe->readers || pipe->writers) {
65358 + if (atomic_read(&pipe->readers) || atomic_read(&pipe->writers)) {
65359 wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP);
65360 kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
65361 kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
65362 @@ -620,7 +620,7 @@ void free_pipe_info(struct pipe_inode_info *pipe)
65363 kfree(pipe);
65364 }
65365
65366 -static struct vfsmount *pipe_mnt __read_mostly;
65367 +struct vfsmount *pipe_mnt __read_mostly;
65368
65369 /*
65370 * pipefs_dname() is called from d_path().
65371 @@ -650,8 +650,9 @@ static struct inode * get_pipe_inode(void)
65372 goto fail_iput;
65373
65374 inode->i_pipe = pipe;
65375 - pipe->files = 2;
65376 - pipe->readers = pipe->writers = 1;
65377 + atomic_set(&pipe->files, 2);
65378 + atomic_set(&pipe->readers, 1);
65379 + atomic_set(&pipe->writers, 1);
65380 inode->i_fop = &pipefifo_fops;
65381
65382 /*
65383 @@ -830,17 +831,17 @@ static int fifo_open(struct inode *inode, struct file *filp)
65384 spin_lock(&inode->i_lock);
65385 if (inode->i_pipe) {
65386 pipe = inode->i_pipe;
65387 - pipe->files++;
65388 + atomic_inc(&pipe->files);
65389 spin_unlock(&inode->i_lock);
65390 } else {
65391 spin_unlock(&inode->i_lock);
65392 pipe = alloc_pipe_info();
65393 if (!pipe)
65394 return -ENOMEM;
65395 - pipe->files = 1;
65396 + atomic_set(&pipe->files, 1);
65397 spin_lock(&inode->i_lock);
65398 if (unlikely(inode->i_pipe)) {
65399 - inode->i_pipe->files++;
65400 + atomic_inc(&inode->i_pipe->files);
65401 spin_unlock(&inode->i_lock);
65402 free_pipe_info(pipe);
65403 pipe = inode->i_pipe;
65404 @@ -865,10 +866,10 @@ static int fifo_open(struct inode *inode, struct file *filp)
65405 * opened, even when there is no process writing the FIFO.
65406 */
65407 pipe->r_counter++;
65408 - if (pipe->readers++ == 0)
65409 + if (atomic_inc_return(&pipe->readers) == 1)
65410 wake_up_partner(pipe);
65411
65412 - if (!is_pipe && !pipe->writers) {
65413 + if (!is_pipe && !atomic_read(&pipe->writers)) {
65414 if ((filp->f_flags & O_NONBLOCK)) {
65415 /* suppress POLLHUP until we have
65416 * seen a writer */
65417 @@ -887,14 +888,14 @@ static int fifo_open(struct inode *inode, struct file *filp)
65418 * errno=ENXIO when there is no process reading the FIFO.
65419 */
65420 ret = -ENXIO;
65421 - if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers)
65422 + if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers))
65423 goto err;
65424
65425 pipe->w_counter++;
65426 - if (!pipe->writers++)
65427 + if (atomic_inc_return(&pipe->writers) == 1)
65428 wake_up_partner(pipe);
65429
65430 - if (!is_pipe && !pipe->readers) {
65431 + if (!is_pipe && !atomic_read(&pipe->readers)) {
65432 if (wait_for_partner(pipe, &pipe->r_counter))
65433 goto err_wr;
65434 }
65435 @@ -908,11 +909,11 @@ static int fifo_open(struct inode *inode, struct file *filp)
65436 * the process can at least talk to itself.
65437 */
65438
65439 - pipe->readers++;
65440 - pipe->writers++;
65441 + atomic_inc(&pipe->readers);
65442 + atomic_inc(&pipe->writers);
65443 pipe->r_counter++;
65444 pipe->w_counter++;
65445 - if (pipe->readers == 1 || pipe->writers == 1)
65446 + if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1)
65447 wake_up_partner(pipe);
65448 break;
65449
65450 @@ -926,13 +927,13 @@ static int fifo_open(struct inode *inode, struct file *filp)
65451 return 0;
65452
65453 err_rd:
65454 - if (!--pipe->readers)
65455 + if (atomic_dec_and_test(&pipe->readers))
65456 wake_up_interruptible(&pipe->wait);
65457 ret = -ERESTARTSYS;
65458 goto err;
65459
65460 err_wr:
65461 - if (!--pipe->writers)
65462 + if (atomic_dec_and_test(&pipe->writers))
65463 wake_up_interruptible(&pipe->wait);
65464 ret = -ERESTARTSYS;
65465 goto err;
65466 diff --git a/fs/posix_acl.c b/fs/posix_acl.c
65467 index 0855f77..6787d50 100644
65468 --- a/fs/posix_acl.c
65469 +++ b/fs/posix_acl.c
65470 @@ -20,6 +20,7 @@
65471 #include <linux/xattr.h>
65472 #include <linux/export.h>
65473 #include <linux/user_namespace.h>
65474 +#include <linux/grsecurity.h>
65475
65476 struct posix_acl **acl_by_type(struct inode *inode, int type)
65477 {
65478 @@ -277,7 +278,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p)
65479 }
65480 }
65481 if (mode_p)
65482 - *mode_p = (*mode_p & ~S_IRWXUGO) | mode;
65483 + *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask();
65484 return not_equiv;
65485 }
65486 EXPORT_SYMBOL(posix_acl_equiv_mode);
65487 @@ -427,7 +428,7 @@ static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p)
65488 mode &= (group_obj->e_perm << 3) | ~S_IRWXG;
65489 }
65490
65491 - *mode_p = (*mode_p & ~S_IRWXUGO) | mode;
65492 + *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask();
65493 return not_equiv;
65494 }
65495
65496 @@ -485,6 +486,8 @@ __posix_acl_create(struct posix_acl **acl, gfp_t gfp, umode_t *mode_p)
65497 struct posix_acl *clone = posix_acl_clone(*acl, gfp);
65498 int err = -ENOMEM;
65499 if (clone) {
65500 + *mode_p &= ~gr_acl_umask();
65501 +
65502 err = posix_acl_create_masq(clone, mode_p);
65503 if (err < 0) {
65504 posix_acl_release(clone);
65505 @@ -659,11 +662,12 @@ struct posix_acl *
65506 posix_acl_from_xattr(struct user_namespace *user_ns,
65507 const void *value, size_t size)
65508 {
65509 - posix_acl_xattr_header *header = (posix_acl_xattr_header *)value;
65510 - posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end;
65511 + const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value;
65512 + const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end;
65513 int count;
65514 struct posix_acl *acl;
65515 struct posix_acl_entry *acl_e;
65516 + umode_t umask = gr_acl_umask();
65517
65518 if (!value)
65519 return NULL;
65520 @@ -689,12 +693,18 @@ posix_acl_from_xattr(struct user_namespace *user_ns,
65521
65522 switch(acl_e->e_tag) {
65523 case ACL_USER_OBJ:
65524 + acl_e->e_perm &= ~((umask & S_IRWXU) >> 6);
65525 + break;
65526 case ACL_GROUP_OBJ:
65527 case ACL_MASK:
65528 + acl_e->e_perm &= ~((umask & S_IRWXG) >> 3);
65529 + break;
65530 case ACL_OTHER:
65531 + acl_e->e_perm &= ~(umask & S_IRWXO);
65532 break;
65533
65534 case ACL_USER:
65535 + acl_e->e_perm &= ~((umask & S_IRWXU) >> 6);
65536 acl_e->e_uid =
65537 make_kuid(user_ns,
65538 le32_to_cpu(entry->e_id));
65539 @@ -702,6 +712,7 @@ posix_acl_from_xattr(struct user_namespace *user_ns,
65540 goto fail;
65541 break;
65542 case ACL_GROUP:
65543 + acl_e->e_perm &= ~((umask & S_IRWXG) >> 3);
65544 acl_e->e_gid =
65545 make_kgid(user_ns,
65546 le32_to_cpu(entry->e_id));
65547 diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
65548 index 2183fcf..3c32a98 100644
65549 --- a/fs/proc/Kconfig
65550 +++ b/fs/proc/Kconfig
65551 @@ -30,7 +30,7 @@ config PROC_FS
65552
65553 config PROC_KCORE
65554 bool "/proc/kcore support" if !ARM
65555 - depends on PROC_FS && MMU
65556 + depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD
65557 help
65558 Provides a virtual ELF core file of the live kernel. This can
65559 be read with gdb and other ELF tools. No modifications can be
65560 @@ -38,8 +38,8 @@ config PROC_KCORE
65561
65562 config PROC_VMCORE
65563 bool "/proc/vmcore support"
65564 - depends on PROC_FS && CRASH_DUMP
65565 - default y
65566 + depends on PROC_FS && CRASH_DUMP && !GRKERNSEC
65567 + default n
65568 help
65569 Exports the dump image of crashed kernel in ELF format.
65570
65571 @@ -63,8 +63,8 @@ config PROC_SYSCTL
65572 limited in memory.
65573
65574 config PROC_PAGE_MONITOR
65575 - default y
65576 - depends on PROC_FS && MMU
65577 + default n
65578 + depends on PROC_FS && MMU && !GRKERNSEC
65579 bool "Enable /proc page monitoring" if EXPERT
65580 help
65581 Various /proc files exist to monitor process memory utilization:
65582 diff --git a/fs/proc/array.c b/fs/proc/array.c
65583 index cd3653e..9b9b79a 100644
65584 --- a/fs/proc/array.c
65585 +++ b/fs/proc/array.c
65586 @@ -60,6 +60,7 @@
65587 #include <linux/tty.h>
65588 #include <linux/string.h>
65589 #include <linux/mman.h>
65590 +#include <linux/grsecurity.h>
65591 #include <linux/proc_fs.h>
65592 #include <linux/ioport.h>
65593 #include <linux/uaccess.h>
65594 @@ -347,6 +348,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
65595 seq_putc(m, '\n');
65596 }
65597
65598 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
65599 +static inline void task_pax(struct seq_file *m, struct task_struct *p)
65600 +{
65601 + if (p->mm)
65602 + seq_printf(m, "PaX:\t%c%c%c%c%c\n",
65603 + p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p',
65604 + p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e',
65605 + p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm',
65606 + p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r',
65607 + p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's');
65608 + else
65609 + seq_printf(m, "PaX:\t-----\n");
65610 +}
65611 +#endif
65612 +
65613 int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
65614 struct pid *pid, struct task_struct *task)
65615 {
65616 @@ -365,9 +381,24 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
65617 task_cpus_allowed(m, task);
65618 cpuset_task_status_allowed(m, task);
65619 task_context_switch_counts(m, task);
65620 +
65621 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
65622 + task_pax(m, task);
65623 +#endif
65624 +
65625 +#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC)
65626 + task_grsec_rbac(m, task);
65627 +#endif
65628 +
65629 return 0;
65630 }
65631
65632 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65633 +#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
65634 + (_mm->pax_flags & MF_PAX_RANDMMAP || \
65635 + _mm->pax_flags & MF_PAX_SEGMEXEC))
65636 +#endif
65637 +
65638 static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
65639 struct pid *pid, struct task_struct *task, int whole)
65640 {
65641 @@ -389,6 +420,13 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
65642 char tcomm[sizeof(task->comm)];
65643 unsigned long flags;
65644
65645 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65646 + if (current->exec_id != m->exec_id) {
65647 + gr_log_badprocpid("stat");
65648 + return 0;
65649 + }
65650 +#endif
65651 +
65652 state = *get_task_state(task);
65653 vsize = eip = esp = 0;
65654 permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
65655 @@ -459,6 +497,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
65656 gtime = task_gtime(task);
65657 }
65658
65659 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65660 + if (PAX_RAND_FLAGS(mm)) {
65661 + eip = 0;
65662 + esp = 0;
65663 + wchan = 0;
65664 + }
65665 +#endif
65666 +#ifdef CONFIG_GRKERNSEC_HIDESYM
65667 + wchan = 0;
65668 + eip =0;
65669 + esp =0;
65670 +#endif
65671 +
65672 /* scale priority and nice values from timeslices to -20..20 */
65673 /* to make it look like a "normal" Unix priority/nice value */
65674 priority = task_prio(task);
65675 @@ -490,9 +541,15 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
65676 seq_put_decimal_ull(m, ' ', vsize);
65677 seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0);
65678 seq_put_decimal_ull(m, ' ', rsslim);
65679 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65680 + seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0));
65681 + seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0));
65682 + seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0));
65683 +#else
65684 seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0);
65685 seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0);
65686 seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0);
65687 +#endif
65688 seq_put_decimal_ull(m, ' ', esp);
65689 seq_put_decimal_ull(m, ' ', eip);
65690 /* The signal information here is obsolete.
65691 @@ -514,7 +571,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
65692 seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime));
65693 seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime));
65694
65695 - if (mm && permitted) {
65696 + if (mm && permitted
65697 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65698 + && !PAX_RAND_FLAGS(mm)
65699 +#endif
65700 + ) {
65701 seq_put_decimal_ull(m, ' ', mm->start_data);
65702 seq_put_decimal_ull(m, ' ', mm->end_data);
65703 seq_put_decimal_ull(m, ' ', mm->start_brk);
65704 @@ -552,8 +613,15 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
65705 struct pid *pid, struct task_struct *task)
65706 {
65707 unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0;
65708 - struct mm_struct *mm = get_task_mm(task);
65709 + struct mm_struct *mm;
65710
65711 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65712 + if (current->exec_id != m->exec_id) {
65713 + gr_log_badprocpid("statm");
65714 + return 0;
65715 + }
65716 +#endif
65717 + mm = get_task_mm(task);
65718 if (mm) {
65719 size = task_statm(mm, &shared, &text, &data, &resident);
65720 mmput(mm);
65721 @@ -576,6 +644,20 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
65722 return 0;
65723 }
65724
65725 +#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
65726 +int proc_pid_ipaddr(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task)
65727 +{
65728 + unsigned long flags;
65729 + u32 curr_ip = 0;
65730 +
65731 + if (lock_task_sighand(task, &flags)) {
65732 + curr_ip = task->signal->curr_ip;
65733 + unlock_task_sighand(task, &flags);
65734 + }
65735 + return seq_printf(m, "%pI4\n", &curr_ip);
65736 +}
65737 +#endif
65738 +
65739 #ifdef CONFIG_CHECKPOINT_RESTORE
65740 static struct pid *
65741 get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos)
65742 diff --git a/fs/proc/base.c b/fs/proc/base.c
65743 index 7dc3ea8..a08077e 100644
65744 --- a/fs/proc/base.c
65745 +++ b/fs/proc/base.c
65746 @@ -113,6 +113,14 @@ struct pid_entry {
65747 union proc_op op;
65748 };
65749
65750 +struct getdents_callback {
65751 + struct linux_dirent __user * current_dir;
65752 + struct linux_dirent __user * previous;
65753 + struct file * file;
65754 + int count;
65755 + int error;
65756 +};
65757 +
65758 #define NOD(NAME, MODE, IOP, FOP, OP) { \
65759 .name = (NAME), \
65760 .len = sizeof(NAME) - 1, \
65761 @@ -208,12 +216,28 @@ static int proc_pid_cmdline(struct seq_file *m, struct pid_namespace *ns,
65762 return 0;
65763 }
65764
65765 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65766 +#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
65767 + (_mm->pax_flags & MF_PAX_RANDMMAP || \
65768 + _mm->pax_flags & MF_PAX_SEGMEXEC))
65769 +#endif
65770 +
65771 static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns,
65772 struct pid *pid, struct task_struct *task)
65773 {
65774 struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ);
65775 if (mm && !IS_ERR(mm)) {
65776 unsigned int nwords = 0;
65777 +
65778 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65779 + /* allow if we're currently ptracing this task */
65780 + if (PAX_RAND_FLAGS(mm) &&
65781 + (!(task->ptrace & PT_PTRACED) || (task->parent != current))) {
65782 + mmput(mm);
65783 + return 0;
65784 + }
65785 +#endif
65786 +
65787 do {
65788 nwords += 2;
65789 } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */
65790 @@ -225,7 +249,7 @@ static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns,
65791 }
65792
65793
65794 -#ifdef CONFIG_KALLSYMS
65795 +#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
65796 /*
65797 * Provides a wchan file via kallsyms in a proper one-value-per-file format.
65798 * Returns the resolved symbol. If that fails, simply return the address.
65799 @@ -265,7 +289,7 @@ static void unlock_trace(struct task_struct *task)
65800 mutex_unlock(&task->signal->cred_guard_mutex);
65801 }
65802
65803 -#ifdef CONFIG_STACKTRACE
65804 +#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
65805
65806 #define MAX_STACK_TRACE_DEPTH 64
65807
65808 @@ -456,7 +480,7 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns,
65809 return 0;
65810 }
65811
65812 -#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
65813 +#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
65814 static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns,
65815 struct pid *pid, struct task_struct *task)
65816 {
65817 @@ -486,7 +510,7 @@ static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns,
65818 /************************************************************************/
65819
65820 /* permission checks */
65821 -static int proc_fd_access_allowed(struct inode *inode)
65822 +static int proc_fd_access_allowed(struct inode *inode, unsigned int log)
65823 {
65824 struct task_struct *task;
65825 int allowed = 0;
65826 @@ -496,7 +520,10 @@ static int proc_fd_access_allowed(struct inode *inode)
65827 */
65828 task = get_proc_task(inode);
65829 if (task) {
65830 - allowed = ptrace_may_access(task, PTRACE_MODE_READ);
65831 + if (log)
65832 + allowed = ptrace_may_access(task, PTRACE_MODE_READ);
65833 + else
65834 + allowed = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
65835 put_task_struct(task);
65836 }
65837 return allowed;
65838 @@ -527,10 +554,35 @@ static bool has_pid_permissions(struct pid_namespace *pid,
65839 struct task_struct *task,
65840 int hide_pid_min)
65841 {
65842 + if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
65843 + return false;
65844 +
65845 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
65846 + rcu_read_lock();
65847 + {
65848 + const struct cred *tmpcred = current_cred();
65849 + const struct cred *cred = __task_cred(task);
65850 +
65851 + if (uid_eq(tmpcred->uid, GLOBAL_ROOT_UID) || uid_eq(tmpcred->uid, cred->uid)
65852 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
65853 + || in_group_p(grsec_proc_gid)
65854 +#endif
65855 + ) {
65856 + rcu_read_unlock();
65857 + return true;
65858 + }
65859 + }
65860 + rcu_read_unlock();
65861 +
65862 + if (!pid->hide_pid)
65863 + return false;
65864 +#endif
65865 +
65866 if (pid->hide_pid < hide_pid_min)
65867 return true;
65868 if (in_group_p(pid->pid_gid))
65869 return true;
65870 +
65871 return ptrace_may_access(task, PTRACE_MODE_READ);
65872 }
65873
65874 @@ -548,7 +600,11 @@ static int proc_pid_permission(struct inode *inode, int mask)
65875 put_task_struct(task);
65876
65877 if (!has_perms) {
65878 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
65879 + {
65880 +#else
65881 if (pid->hide_pid == 2) {
65882 +#endif
65883 /*
65884 * Let's make getdents(), stat(), and open()
65885 * consistent with each other. If a process
65886 @@ -609,6 +665,10 @@ struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode)
65887
65888 if (task) {
65889 mm = mm_access(task, mode);
65890 + if (!IS_ERR_OR_NULL(mm) && gr_acl_handle_procpidmem(task)) {
65891 + mmput(mm);
65892 + mm = ERR_PTR(-EPERM);
65893 + }
65894 put_task_struct(task);
65895
65896 if (!IS_ERR_OR_NULL(mm)) {
65897 @@ -630,6 +690,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
65898 return PTR_ERR(mm);
65899
65900 file->private_data = mm;
65901 +
65902 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65903 + file->f_version = current->exec_id;
65904 +#endif
65905 +
65906 return 0;
65907 }
65908
65909 @@ -651,6 +716,17 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
65910 ssize_t copied;
65911 char *page;
65912
65913 +#ifdef CONFIG_GRKERNSEC
65914 + if (write)
65915 + return -EPERM;
65916 +#endif
65917 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65918 + if (file->f_version != current->exec_id) {
65919 + gr_log_badprocpid("mem");
65920 + return 0;
65921 + }
65922 +#endif
65923 +
65924 if (!mm)
65925 return 0;
65926
65927 @@ -663,7 +739,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
65928 goto free;
65929
65930 while (count > 0) {
65931 - int this_len = min_t(int, count, PAGE_SIZE);
65932 + ssize_t this_len = min_t(ssize_t, count, PAGE_SIZE);
65933
65934 if (write && copy_from_user(page, buf, this_len)) {
65935 copied = -EFAULT;
65936 @@ -755,6 +831,13 @@ static ssize_t environ_read(struct file *file, char __user *buf,
65937 if (!mm)
65938 return 0;
65939
65940 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
65941 + if (file->f_version != current->exec_id) {
65942 + gr_log_badprocpid("environ");
65943 + return 0;
65944 + }
65945 +#endif
65946 +
65947 page = (char *)__get_free_page(GFP_TEMPORARY);
65948 if (!page)
65949 return -ENOMEM;
65950 @@ -764,7 +847,7 @@ static ssize_t environ_read(struct file *file, char __user *buf,
65951 goto free;
65952 while (count > 0) {
65953 size_t this_len, max_len;
65954 - int retval;
65955 + ssize_t retval;
65956
65957 if (src >= (mm->env_end - mm->env_start))
65958 break;
65959 @@ -1378,7 +1461,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
65960 int error = -EACCES;
65961
65962 /* Are we allowed to snoop on the tasks file descriptors? */
65963 - if (!proc_fd_access_allowed(inode))
65964 + if (!proc_fd_access_allowed(inode, 0))
65965 goto out;
65966
65967 error = PROC_I(inode)->op.proc_get_link(dentry, &path);
65968 @@ -1422,8 +1505,18 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
65969 struct path path;
65970
65971 /* Are we allowed to snoop on the tasks file descriptors? */
65972 - if (!proc_fd_access_allowed(inode))
65973 - goto out;
65974 + /* logging this is needed for learning on chromium to work properly,
65975 + but we don't want to flood the logs from 'ps' which does a readlink
65976 + on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn
65977 + CAP_SYS_PTRACE as it's not necessary for its basic functionality
65978 + */
65979 + if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') {
65980 + if (!proc_fd_access_allowed(inode,0))
65981 + goto out;
65982 + } else {
65983 + if (!proc_fd_access_allowed(inode,1))
65984 + goto out;
65985 + }
65986
65987 error = PROC_I(inode)->op.proc_get_link(dentry, &path);
65988 if (error)
65989 @@ -1473,7 +1566,11 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t
65990 rcu_read_lock();
65991 cred = __task_cred(task);
65992 inode->i_uid = cred->euid;
65993 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
65994 + inode->i_gid = grsec_proc_gid;
65995 +#else
65996 inode->i_gid = cred->egid;
65997 +#endif
65998 rcu_read_unlock();
65999 }
66000 security_task_to_inode(task, inode);
66001 @@ -1509,10 +1606,19 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
66002 return -ENOENT;
66003 }
66004 if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
66005 +#ifdef CONFIG_GRKERNSEC_PROC_USER
66006 + (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
66007 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
66008 + (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
66009 +#endif
66010 task_dumpable(task)) {
66011 cred = __task_cred(task);
66012 stat->uid = cred->euid;
66013 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
66014 + stat->gid = grsec_proc_gid;
66015 +#else
66016 stat->gid = cred->egid;
66017 +#endif
66018 }
66019 }
66020 rcu_read_unlock();
66021 @@ -1550,11 +1656,20 @@ int pid_revalidate(struct dentry *dentry, unsigned int flags)
66022
66023 if (task) {
66024 if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
66025 +#ifdef CONFIG_GRKERNSEC_PROC_USER
66026 + (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
66027 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
66028 + (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) ||
66029 +#endif
66030 task_dumpable(task)) {
66031 rcu_read_lock();
66032 cred = __task_cred(task);
66033 inode->i_uid = cred->euid;
66034 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
66035 + inode->i_gid = grsec_proc_gid;
66036 +#else
66037 inode->i_gid = cred->egid;
66038 +#endif
66039 rcu_read_unlock();
66040 } else {
66041 inode->i_uid = GLOBAL_ROOT_UID;
66042 @@ -2085,6 +2200,9 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
66043 if (!task)
66044 goto out_no_task;
66045
66046 + if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
66047 + goto out;
66048 +
66049 /*
66050 * Yes, it does not scale. And it should not. Don't add
66051 * new entries into /proc/<tgid>/ without very good reasons.
66052 @@ -2115,6 +2233,9 @@ static int proc_pident_readdir(struct file *file, struct dir_context *ctx,
66053 if (!task)
66054 return -ENOENT;
66055
66056 + if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
66057 + goto out;
66058 +
66059 if (!dir_emit_dots(file, ctx))
66060 goto out;
66061
66062 @@ -2557,7 +2678,7 @@ static const struct pid_entry tgid_base_stuff[] = {
66063 REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations),
66064 #endif
66065 REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
66066 -#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
66067 +#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
66068 ONE("syscall", S_IRUSR, proc_pid_syscall),
66069 #endif
66070 ONE("cmdline", S_IRUGO, proc_pid_cmdline),
66071 @@ -2582,10 +2703,10 @@ static const struct pid_entry tgid_base_stuff[] = {
66072 #ifdef CONFIG_SECURITY
66073 DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
66074 #endif
66075 -#ifdef CONFIG_KALLSYMS
66076 +#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
66077 ONE("wchan", S_IRUGO, proc_pid_wchan),
66078 #endif
66079 -#ifdef CONFIG_STACKTRACE
66080 +#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
66081 ONE("stack", S_IRUSR, proc_pid_stack),
66082 #endif
66083 #ifdef CONFIG_SCHEDSTATS
66084 @@ -2619,6 +2740,9 @@ static const struct pid_entry tgid_base_stuff[] = {
66085 #ifdef CONFIG_HARDWALL
66086 ONE("hardwall", S_IRUGO, proc_pid_hardwall),
66087 #endif
66088 +#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
66089 + ONE("ipaddr", S_IRUSR, proc_pid_ipaddr),
66090 +#endif
66091 #ifdef CONFIG_USER_NS
66092 REG("uid_map", S_IRUGO|S_IWUSR, proc_uid_map_operations),
66093 REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
66094 @@ -2748,7 +2872,14 @@ static int proc_pid_instantiate(struct inode *dir,
66095 if (!inode)
66096 goto out;
66097
66098 +#ifdef CONFIG_GRKERNSEC_PROC_USER
66099 + inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR;
66100 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
66101 + inode->i_gid = grsec_proc_gid;
66102 + inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP;
66103 +#else
66104 inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
66105 +#endif
66106 inode->i_op = &proc_tgid_base_inode_operations;
66107 inode->i_fop = &proc_tgid_base_operations;
66108 inode->i_flags|=S_IMMUTABLE;
66109 @@ -2786,7 +2917,11 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsign
66110 if (!task)
66111 goto out;
66112
66113 + if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
66114 + goto out_put_task;
66115 +
66116 result = proc_pid_instantiate(dir, dentry, task, NULL);
66117 +out_put_task:
66118 put_task_struct(task);
66119 out:
66120 return ERR_PTR(result);
66121 @@ -2900,7 +3035,7 @@ static const struct pid_entry tid_base_stuff[] = {
66122 REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
66123 #endif
66124 REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
66125 -#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
66126 +#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP)
66127 ONE("syscall", S_IRUSR, proc_pid_syscall),
66128 #endif
66129 ONE("cmdline", S_IRUGO, proc_pid_cmdline),
66130 @@ -2927,10 +3062,10 @@ static const struct pid_entry tid_base_stuff[] = {
66131 #ifdef CONFIG_SECURITY
66132 DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
66133 #endif
66134 -#ifdef CONFIG_KALLSYMS
66135 +#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
66136 ONE("wchan", S_IRUGO, proc_pid_wchan),
66137 #endif
66138 -#ifdef CONFIG_STACKTRACE
66139 +#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM)
66140 ONE("stack", S_IRUSR, proc_pid_stack),
66141 #endif
66142 #ifdef CONFIG_SCHEDSTATS
66143 diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
66144 index cbd82df..c0407d2 100644
66145 --- a/fs/proc/cmdline.c
66146 +++ b/fs/proc/cmdline.c
66147 @@ -23,7 +23,11 @@ static const struct file_operations cmdline_proc_fops = {
66148
66149 static int __init proc_cmdline_init(void)
66150 {
66151 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
66152 + proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops);
66153 +#else
66154 proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
66155 +#endif
66156 return 0;
66157 }
66158 fs_initcall(proc_cmdline_init);
66159 diff --git a/fs/proc/devices.c b/fs/proc/devices.c
66160 index 50493ed..248166b 100644
66161 --- a/fs/proc/devices.c
66162 +++ b/fs/proc/devices.c
66163 @@ -64,7 +64,11 @@ static const struct file_operations proc_devinfo_operations = {
66164
66165 static int __init proc_devices_init(void)
66166 {
66167 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
66168 + proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations);
66169 +#else
66170 proc_create("devices", 0, NULL, &proc_devinfo_operations);
66171 +#endif
66172 return 0;
66173 }
66174 fs_initcall(proc_devices_init);
66175 diff --git a/fs/proc/fd.c b/fs/proc/fd.c
66176 index e11d7c5..9128ce06 100644
66177 --- a/fs/proc/fd.c
66178 +++ b/fs/proc/fd.c
66179 @@ -26,7 +26,8 @@ static int seq_show(struct seq_file *m, void *v)
66180 if (!task)
66181 return -ENOENT;
66182
66183 - files = get_files_struct(task);
66184 + if (!gr_acl_handle_procpidmem(task))
66185 + files = get_files_struct(task);
66186 put_task_struct(task);
66187
66188 if (files) {
66189 @@ -283,11 +284,21 @@ static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry,
66190 */
66191 int proc_fd_permission(struct inode *inode, int mask)
66192 {
66193 + struct task_struct *task;
66194 int rv = generic_permission(inode, mask);
66195 - if (rv == 0)
66196 - return 0;
66197 +
66198 if (task_tgid(current) == proc_pid(inode))
66199 rv = 0;
66200 +
66201 + task = get_proc_task(inode);
66202 + if (task == NULL)
66203 + return rv;
66204 +
66205 + if (gr_acl_handle_procpidmem(task))
66206 + rv = -EACCES;
66207 +
66208 + put_task_struct(task);
66209 +
66210 return rv;
66211 }
66212
66213 diff --git a/fs/proc/generic.c b/fs/proc/generic.c
66214 index 317b726..e329aed 100644
66215 --- a/fs/proc/generic.c
66216 +++ b/fs/proc/generic.c
66217 @@ -23,6 +23,7 @@
66218 #include <linux/bitops.h>
66219 #include <linux/spinlock.h>
66220 #include <linux/completion.h>
66221 +#include <linux/grsecurity.h>
66222 #include <asm/uaccess.h>
66223
66224 #include "internal.h"
66225 @@ -207,6 +208,15 @@ struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry,
66226 return proc_lookup_de(PDE(dir), dir, dentry);
66227 }
66228
66229 +struct dentry *proc_lookup_restrict(struct inode *dir, struct dentry *dentry,
66230 + unsigned int flags)
66231 +{
66232 + if (gr_proc_is_restricted())
66233 + return ERR_PTR(-EACCES);
66234 +
66235 + return proc_lookup_de(PDE(dir), dir, dentry);
66236 +}
66237 +
66238 /*
66239 * This returns non-zero if at EOF, so that the /proc
66240 * root directory can use this and check if it should
66241 @@ -264,6 +274,16 @@ int proc_readdir(struct file *file, struct dir_context *ctx)
66242 return proc_readdir_de(PDE(inode), file, ctx);
66243 }
66244
66245 +int proc_readdir_restrict(struct file *file, struct dir_context *ctx)
66246 +{
66247 + struct inode *inode = file_inode(file);
66248 +
66249 + if (gr_proc_is_restricted())
66250 + return -EACCES;
66251 +
66252 + return proc_readdir_de(PDE(inode), file, ctx);
66253 +}
66254 +
66255 /*
66256 * These are the generic /proc directory operations. They
66257 * use the in-memory "struct proc_dir_entry" tree to parse
66258 @@ -275,6 +295,12 @@ static const struct file_operations proc_dir_operations = {
66259 .iterate = proc_readdir,
66260 };
66261
66262 +static const struct file_operations proc_dir_restricted_operations = {
66263 + .llseek = generic_file_llseek,
66264 + .read = generic_read_dir,
66265 + .iterate = proc_readdir_restrict,
66266 +};
66267 +
66268 /*
66269 * proc directories can do almost nothing..
66270 */
66271 @@ -284,6 +310,12 @@ static const struct inode_operations proc_dir_inode_operations = {
66272 .setattr = proc_notify_change,
66273 };
66274
66275 +static const struct inode_operations proc_dir_restricted_inode_operations = {
66276 + .lookup = proc_lookup_restrict,
66277 + .getattr = proc_getattr,
66278 + .setattr = proc_notify_change,
66279 +};
66280 +
66281 static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp)
66282 {
66283 struct proc_dir_entry *tmp;
66284 @@ -294,8 +326,13 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
66285 return ret;
66286
66287 if (S_ISDIR(dp->mode)) {
66288 - dp->proc_fops = &proc_dir_operations;
66289 - dp->proc_iops = &proc_dir_inode_operations;
66290 + if (dp->restricted) {
66291 + dp->proc_fops = &proc_dir_restricted_operations;
66292 + dp->proc_iops = &proc_dir_restricted_inode_operations;
66293 + } else {
66294 + dp->proc_fops = &proc_dir_operations;
66295 + dp->proc_iops = &proc_dir_inode_operations;
66296 + }
66297 dir->nlink++;
66298 } else if (S_ISLNK(dp->mode)) {
66299 dp->proc_iops = &proc_link_inode_operations;
66300 @@ -407,6 +444,27 @@ struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode,
66301 }
66302 EXPORT_SYMBOL_GPL(proc_mkdir_data);
66303
66304 +struct proc_dir_entry *proc_mkdir_data_restrict(const char *name, umode_t mode,
66305 + struct proc_dir_entry *parent, void *data)
66306 +{
66307 + struct proc_dir_entry *ent;
66308 +
66309 + if (mode == 0)
66310 + mode = S_IRUGO | S_IXUGO;
66311 +
66312 + ent = __proc_create(&parent, name, S_IFDIR | mode, 2);
66313 + if (ent) {
66314 + ent->data = data;
66315 + ent->restricted = 1;
66316 + if (proc_register(parent, ent) < 0) {
66317 + kfree(ent);
66318 + ent = NULL;
66319 + }
66320 + }
66321 + return ent;
66322 +}
66323 +EXPORT_SYMBOL_GPL(proc_mkdir_data_restrict);
66324 +
66325 struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
66326 struct proc_dir_entry *parent)
66327 {
66328 @@ -421,6 +479,13 @@ struct proc_dir_entry *proc_mkdir(const char *name,
66329 }
66330 EXPORT_SYMBOL(proc_mkdir);
66331
66332 +struct proc_dir_entry *proc_mkdir_restrict(const char *name,
66333 + struct proc_dir_entry *parent)
66334 +{
66335 + return proc_mkdir_data_restrict(name, 0, parent, NULL);
66336 +}
66337 +EXPORT_SYMBOL(proc_mkdir_restrict);
66338 +
66339 struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
66340 struct proc_dir_entry *parent,
66341 const struct file_operations *proc_fops,
66342 diff --git a/fs/proc/inode.c b/fs/proc/inode.c
66343 index 333080d..0a35ec4 100644
66344 --- a/fs/proc/inode.c
66345 +++ b/fs/proc/inode.c
66346 @@ -23,11 +23,17 @@
66347 #include <linux/slab.h>
66348 #include <linux/mount.h>
66349 #include <linux/magic.h>
66350 +#include <linux/grsecurity.h>
66351
66352 #include <asm/uaccess.h>
66353
66354 #include "internal.h"
66355
66356 +#ifdef CONFIG_PROC_SYSCTL
66357 +extern const struct inode_operations proc_sys_inode_operations;
66358 +extern const struct inode_operations proc_sys_dir_operations;
66359 +#endif
66360 +
66361 static void proc_evict_inode(struct inode *inode)
66362 {
66363 struct proc_dir_entry *de;
66364 @@ -55,6 +61,13 @@ static void proc_evict_inode(struct inode *inode)
66365 ns = PROC_I(inode)->ns.ns;
66366 if (ns_ops && ns)
66367 ns_ops->put(ns);
66368 +
66369 +#ifdef CONFIG_PROC_SYSCTL
66370 + if (inode->i_op == &proc_sys_inode_operations ||
66371 + inode->i_op == &proc_sys_dir_operations)
66372 + gr_handle_delete(inode->i_ino, inode->i_sb->s_dev);
66373 +#endif
66374 +
66375 }
66376
66377 static struct kmem_cache * proc_inode_cachep;
66378 @@ -413,7 +426,11 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
66379 if (de->mode) {
66380 inode->i_mode = de->mode;
66381 inode->i_uid = de->uid;
66382 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
66383 + inode->i_gid = grsec_proc_gid;
66384 +#else
66385 inode->i_gid = de->gid;
66386 +#endif
66387 }
66388 if (de->size)
66389 inode->i_size = de->size;
66390 diff --git a/fs/proc/internal.h b/fs/proc/internal.h
66391 index aa7a0ee..f2318df 100644
66392 --- a/fs/proc/internal.h
66393 +++ b/fs/proc/internal.h
66394 @@ -46,9 +46,10 @@ struct proc_dir_entry {
66395 struct completion *pde_unload_completion;
66396 struct list_head pde_openers; /* who did ->open, but not ->release */
66397 spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
66398 + u8 restricted; /* a directory in /proc/net that should be restricted via GRKERNSEC_PROC */
66399 u8 namelen;
66400 char name[];
66401 -};
66402 +} __randomize_layout;
66403
66404 union proc_op {
66405 int (*proc_get_link)(struct dentry *, struct path *);
66406 @@ -66,7 +67,7 @@ struct proc_inode {
66407 struct ctl_table *sysctl_entry;
66408 struct proc_ns ns;
66409 struct inode vfs_inode;
66410 -};
66411 +} __randomize_layout;
66412
66413 /*
66414 * General functions
66415 @@ -154,6 +155,10 @@ extern int proc_pid_status(struct seq_file *, struct pid_namespace *,
66416 struct pid *, struct task_struct *);
66417 extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
66418 struct pid *, struct task_struct *);
66419 +#ifdef CONFIG_GRKERNSEC_PROC_IPADDR
66420 +extern int proc_pid_ipaddr(struct seq_file *, struct pid_namespace *,
66421 + struct pid *, struct task_struct *);
66422 +#endif
66423
66424 /*
66425 * base.c
66426 @@ -178,9 +183,11 @@ extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, i
66427 * generic.c
66428 */
66429 extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int);
66430 +extern struct dentry *proc_lookup_restrict(struct inode *, struct dentry *, unsigned int);
66431 extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *,
66432 struct dentry *);
66433 extern int proc_readdir(struct file *, struct dir_context *);
66434 +extern int proc_readdir_restrict(struct file *, struct dir_context *);
66435 extern int proc_readdir_de(struct proc_dir_entry *, struct file *, struct dir_context *);
66436
66437 static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde)
66438 diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
66439 index a352d57..cb94a5c 100644
66440 --- a/fs/proc/interrupts.c
66441 +++ b/fs/proc/interrupts.c
66442 @@ -47,7 +47,11 @@ static const struct file_operations proc_interrupts_operations = {
66443
66444 static int __init proc_interrupts_init(void)
66445 {
66446 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
66447 + proc_create_grsec("interrupts", 0, NULL, &proc_interrupts_operations);
66448 +#else
66449 proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
66450 +#endif
66451 return 0;
66452 }
66453 fs_initcall(proc_interrupts_init);
66454 diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
66455 index 91a4e64..cb007c0 100644
66456 --- a/fs/proc/kcore.c
66457 +++ b/fs/proc/kcore.c
66458 @@ -483,9 +483,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
66459 * the addresses in the elf_phdr on our list.
66460 */
66461 start = kc_offset_to_vaddr(*fpos - elf_buflen);
66462 - if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)
66463 + tsz = PAGE_SIZE - (start & ~PAGE_MASK);
66464 + if (tsz > buflen)
66465 tsz = buflen;
66466 -
66467 +
66468 while (buflen) {
66469 struct kcore_list *m;
66470
66471 @@ -514,20 +515,23 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
66472 kfree(elf_buf);
66473 } else {
66474 if (kern_addr_valid(start)) {
66475 - unsigned long n;
66476 + char *elf_buf;
66477 + mm_segment_t oldfs;
66478
66479 - n = copy_to_user(buffer, (char *)start, tsz);
66480 - /*
66481 - * We cannot distinguish between fault on source
66482 - * and fault on destination. When this happens
66483 - * we clear too and hope it will trigger the
66484 - * EFAULT again.
66485 - */
66486 - if (n) {
66487 - if (clear_user(buffer + tsz - n,
66488 - n))
66489 + elf_buf = kmalloc(tsz, GFP_KERNEL);
66490 + if (!elf_buf)
66491 + return -ENOMEM;
66492 + oldfs = get_fs();
66493 + set_fs(KERNEL_DS);
66494 + if (!__copy_from_user(elf_buf, (const void __user *)start, tsz)) {
66495 + set_fs(oldfs);
66496 + if (copy_to_user(buffer, elf_buf, tsz)) {
66497 + kfree(elf_buf);
66498 return -EFAULT;
66499 + }
66500 }
66501 + set_fs(oldfs);
66502 + kfree(elf_buf);
66503 } else {
66504 if (clear_user(buffer, tsz))
66505 return -EFAULT;
66506 @@ -547,6 +551,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
66507
66508 static int open_kcore(struct inode *inode, struct file *filp)
66509 {
66510 +#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
66511 + return -EPERM;
66512 +#endif
66513 if (!capable(CAP_SYS_RAWIO))
66514 return -EPERM;
66515 if (kcore_need_update)
66516 diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
66517 index aa1eee0..03dda72 100644
66518 --- a/fs/proc/meminfo.c
66519 +++ b/fs/proc/meminfo.c
66520 @@ -187,7 +187,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
66521 vmi.used >> 10,
66522 vmi.largest_chunk >> 10
66523 #ifdef CONFIG_MEMORY_FAILURE
66524 - ,atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10)
66525 + ,atomic_long_read_unchecked(&num_poisoned_pages) << (PAGE_SHIFT - 10)
66526 #endif
66527 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
66528 ,K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) *
66529 diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
66530 index d4a3574..b421ce9 100644
66531 --- a/fs/proc/nommu.c
66532 +++ b/fs/proc/nommu.c
66533 @@ -64,7 +64,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
66534
66535 if (file) {
66536 seq_pad(m, ' ');
66537 - seq_path(m, &file->f_path, "");
66538 + seq_path(m, &file->f_path, "\n\\");
66539 }
66540
66541 seq_putc(m, '\n');
66542 diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
66543 index a63af3e..b4f262a 100644
66544 --- a/fs/proc/proc_net.c
66545 +++ b/fs/proc/proc_net.c
66546 @@ -23,9 +23,27 @@
66547 #include <linux/nsproxy.h>
66548 #include <net/net_namespace.h>
66549 #include <linux/seq_file.h>
66550 +#include <linux/grsecurity.h>
66551
66552 #include "internal.h"
66553
66554 +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
66555 +static struct seq_operations *ipv6_seq_ops_addr;
66556 +
66557 +void register_ipv6_seq_ops_addr(struct seq_operations *addr)
66558 +{
66559 + ipv6_seq_ops_addr = addr;
66560 +}
66561 +
66562 +void unregister_ipv6_seq_ops_addr(void)
66563 +{
66564 + ipv6_seq_ops_addr = NULL;
66565 +}
66566 +
66567 +EXPORT_SYMBOL_GPL(register_ipv6_seq_ops_addr);
66568 +EXPORT_SYMBOL_GPL(unregister_ipv6_seq_ops_addr);
66569 +#endif
66570 +
66571 static inline struct net *PDE_NET(struct proc_dir_entry *pde)
66572 {
66573 return pde->parent->data;
66574 @@ -36,6 +54,8 @@ static struct net *get_proc_net(const struct inode *inode)
66575 return maybe_get_net(PDE_NET(PDE(inode)));
66576 }
66577
66578 +extern const struct seq_operations dev_seq_ops;
66579 +
66580 int seq_open_net(struct inode *ino, struct file *f,
66581 const struct seq_operations *ops, int size)
66582 {
66583 @@ -44,6 +64,14 @@ int seq_open_net(struct inode *ino, struct file *f,
66584
66585 BUG_ON(size < sizeof(*p));
66586
66587 + /* only permit access to /proc/net/dev */
66588 + if (
66589 +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
66590 + ops != ipv6_seq_ops_addr &&
66591 +#endif
66592 + ops != &dev_seq_ops && gr_proc_is_restricted())
66593 + return -EACCES;
66594 +
66595 net = get_proc_net(ino);
66596 if (net == NULL)
66597 return -ENXIO;
66598 @@ -66,6 +94,9 @@ int single_open_net(struct inode *inode, struct file *file,
66599 int err;
66600 struct net *net;
66601
66602 + if (gr_proc_is_restricted())
66603 + return -EACCES;
66604 +
66605 err = -ENXIO;
66606 net = get_proc_net(inode);
66607 if (net == NULL)
66608 diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
66609 index f92d5dd..26398ac 100644
66610 --- a/fs/proc/proc_sysctl.c
66611 +++ b/fs/proc/proc_sysctl.c
66612 @@ -11,13 +11,21 @@
66613 #include <linux/namei.h>
66614 #include <linux/mm.h>
66615 #include <linux/module.h>
66616 +#include <linux/nsproxy.h>
66617 +#ifdef CONFIG_GRKERNSEC
66618 +#include <net/net_namespace.h>
66619 +#endif
66620 #include "internal.h"
66621
66622 +extern int gr_handle_chroot_sysctl(const int op);
66623 +extern int gr_handle_sysctl_mod(const char *dirname, const char *name,
66624 + const int op);
66625 +
66626 static const struct dentry_operations proc_sys_dentry_operations;
66627 static const struct file_operations proc_sys_file_operations;
66628 -static const struct inode_operations proc_sys_inode_operations;
66629 +const struct inode_operations proc_sys_inode_operations;
66630 static const struct file_operations proc_sys_dir_file_operations;
66631 -static const struct inode_operations proc_sys_dir_operations;
66632 +const struct inode_operations proc_sys_dir_operations;
66633
66634 void proc_sys_poll_notify(struct ctl_table_poll *poll)
66635 {
66636 @@ -467,6 +475,9 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
66637
66638 err = NULL;
66639 d_set_d_op(dentry, &proc_sys_dentry_operations);
66640 +
66641 + gr_handle_proc_create(dentry, inode);
66642 +
66643 d_add(dentry, inode);
66644
66645 out:
66646 @@ -482,6 +493,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
66647 struct inode *inode = file_inode(filp);
66648 struct ctl_table_header *head = grab_header(inode);
66649 struct ctl_table *table = PROC_I(inode)->sysctl_entry;
66650 + int op = write ? MAY_WRITE : MAY_READ;
66651 ssize_t error;
66652 size_t res;
66653
66654 @@ -493,7 +505,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
66655 * and won't be until we finish.
66656 */
66657 error = -EPERM;
66658 - if (sysctl_perm(head, table, write ? MAY_WRITE : MAY_READ))
66659 + if (sysctl_perm(head, table, op))
66660 goto out;
66661
66662 /* if that can happen at all, it should be -EINVAL, not -EISDIR */
66663 @@ -501,6 +513,27 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
66664 if (!table->proc_handler)
66665 goto out;
66666
66667 +#ifdef CONFIG_GRKERNSEC
66668 + error = -EPERM;
66669 + if (gr_handle_chroot_sysctl(op))
66670 + goto out;
66671 + dget(filp->f_path.dentry);
66672 + if (gr_handle_sysctl_mod(filp->f_path.dentry->d_parent->d_name.name, table->procname, op)) {
66673 + dput(filp->f_path.dentry);
66674 + goto out;
66675 + }
66676 + dput(filp->f_path.dentry);
66677 + if (!gr_acl_handle_open(filp->f_path.dentry, filp->f_path.mnt, op))
66678 + goto out;
66679 + if (write) {
66680 + if (current->nsproxy->net_ns != table->extra2) {
66681 + if (!capable(CAP_SYS_ADMIN))
66682 + goto out;
66683 + } else if (!ns_capable(current->nsproxy->net_ns->user_ns, CAP_NET_ADMIN))
66684 + goto out;
66685 + }
66686 +#endif
66687 +
66688 /* careful: calling conventions are nasty here */
66689 res = count;
66690 error = table->proc_handler(table, write, buf, &res, ppos);
66691 @@ -598,6 +631,9 @@ static bool proc_sys_fill_cache(struct file *file,
66692 return false;
66693 } else {
66694 d_set_d_op(child, &proc_sys_dentry_operations);
66695 +
66696 + gr_handle_proc_create(child, inode);
66697 +
66698 d_add(child, inode);
66699 }
66700 } else {
66701 @@ -641,6 +677,9 @@ static int scan(struct ctl_table_header *head, struct ctl_table *table,
66702 if ((*pos)++ < ctx->pos)
66703 return true;
66704
66705 + if (!gr_acl_handle_hidden_file(file->f_path.dentry, file->f_path.mnt))
66706 + return 0;
66707 +
66708 if (unlikely(S_ISLNK(table->mode)))
66709 res = proc_sys_link_fill_cache(file, ctx, head, table);
66710 else
66711 @@ -734,6 +773,9 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct
66712 if (IS_ERR(head))
66713 return PTR_ERR(head);
66714
66715 + if (table && !gr_acl_handle_hidden_file(dentry, mnt))
66716 + return -ENOENT;
66717 +
66718 generic_fillattr(inode, stat);
66719 if (table)
66720 stat->mode = (stat->mode & S_IFMT) | table->mode;
66721 @@ -756,13 +798,13 @@ static const struct file_operations proc_sys_dir_file_operations = {
66722 .llseek = generic_file_llseek,
66723 };
66724
66725 -static const struct inode_operations proc_sys_inode_operations = {
66726 +const struct inode_operations proc_sys_inode_operations = {
66727 .permission = proc_sys_permission,
66728 .setattr = proc_sys_setattr,
66729 .getattr = proc_sys_getattr,
66730 };
66731
66732 -static const struct inode_operations proc_sys_dir_operations = {
66733 +const struct inode_operations proc_sys_dir_operations = {
66734 .lookup = proc_sys_lookup,
66735 .permission = proc_sys_permission,
66736 .setattr = proc_sys_setattr,
66737 @@ -839,7 +881,7 @@ static struct ctl_dir *find_subdir(struct ctl_dir *dir,
66738 static struct ctl_dir *new_dir(struct ctl_table_set *set,
66739 const char *name, int namelen)
66740 {
66741 - struct ctl_table *table;
66742 + ctl_table_no_const *table;
66743 struct ctl_dir *new;
66744 struct ctl_node *node;
66745 char *new_name;
66746 @@ -851,7 +893,7 @@ static struct ctl_dir *new_dir(struct ctl_table_set *set,
66747 return NULL;
66748
66749 node = (struct ctl_node *)(new + 1);
66750 - table = (struct ctl_table *)(node + 1);
66751 + table = (ctl_table_no_const *)(node + 1);
66752 new_name = (char *)(table + 2);
66753 memcpy(new_name, name, namelen);
66754 new_name[namelen] = '\0';
66755 @@ -1020,7 +1062,8 @@ static int sysctl_check_table(const char *path, struct ctl_table *table)
66756 static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table,
66757 struct ctl_table_root *link_root)
66758 {
66759 - struct ctl_table *link_table, *entry, *link;
66760 + ctl_table_no_const *link_table, *link;
66761 + struct ctl_table *entry;
66762 struct ctl_table_header *links;
66763 struct ctl_node *node;
66764 char *link_name;
66765 @@ -1043,7 +1086,7 @@ static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table
66766 return NULL;
66767
66768 node = (struct ctl_node *)(links + 1);
66769 - link_table = (struct ctl_table *)(node + nr_entries);
66770 + link_table = (ctl_table_no_const *)(node + nr_entries);
66771 link_name = (char *)&link_table[nr_entries + 1];
66772
66773 for (link = link_table, entry = table; entry->procname; link++, entry++) {
66774 @@ -1291,8 +1334,8 @@ static int register_leaf_sysctl_tables(const char *path, char *pos,
66775 struct ctl_table_header ***subheader, struct ctl_table_set *set,
66776 struct ctl_table *table)
66777 {
66778 - struct ctl_table *ctl_table_arg = NULL;
66779 - struct ctl_table *entry, *files;
66780 + ctl_table_no_const *ctl_table_arg = NULL, *files = NULL;
66781 + struct ctl_table *entry;
66782 int nr_files = 0;
66783 int nr_dirs = 0;
66784 int err = -ENOMEM;
66785 @@ -1304,10 +1347,9 @@ static int register_leaf_sysctl_tables(const char *path, char *pos,
66786 nr_files++;
66787 }
66788
66789 - files = table;
66790 /* If there are mixed files and directories we need a new table */
66791 if (nr_dirs && nr_files) {
66792 - struct ctl_table *new;
66793 + ctl_table_no_const *new;
66794 files = kzalloc(sizeof(struct ctl_table) * (nr_files + 1),
66795 GFP_KERNEL);
66796 if (!files)
66797 @@ -1325,7 +1367,7 @@ static int register_leaf_sysctl_tables(const char *path, char *pos,
66798 /* Register everything except a directory full of subdirectories */
66799 if (nr_files || !nr_dirs) {
66800 struct ctl_table_header *header;
66801 - header = __register_sysctl_table(set, path, files);
66802 + header = __register_sysctl_table(set, path, files ? files : table);
66803 if (!header) {
66804 kfree(ctl_table_arg);
66805 goto out;
66806 diff --git a/fs/proc/root.c b/fs/proc/root.c
66807 index 094e44d..085a877 100644
66808 --- a/fs/proc/root.c
66809 +++ b/fs/proc/root.c
66810 @@ -188,7 +188,15 @@ void __init proc_root_init(void)
66811 proc_mkdir("openprom", NULL);
66812 #endif
66813 proc_tty_init();
66814 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
66815 +#ifdef CONFIG_GRKERNSEC_PROC_USER
66816 + proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL);
66817 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
66818 + proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL);
66819 +#endif
66820 +#else
66821 proc_mkdir("bus", NULL);
66822 +#endif
66823 proc_sys_init();
66824 }
66825
66826 diff --git a/fs/proc/stat.c b/fs/proc/stat.c
66827 index 510413eb..34d9a8c 100644
66828 --- a/fs/proc/stat.c
66829 +++ b/fs/proc/stat.c
66830 @@ -11,6 +11,7 @@
66831 #include <linux/irqnr.h>
66832 #include <linux/cputime.h>
66833 #include <linux/tick.h>
66834 +#include <linux/grsecurity.h>
66835
66836 #ifndef arch_irq_stat_cpu
66837 #define arch_irq_stat_cpu(cpu) 0
66838 @@ -87,6 +88,18 @@ static int show_stat(struct seq_file *p, void *v)
66839 u64 sum_softirq = 0;
66840 unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
66841 struct timespec boottime;
66842 + int unrestricted = 1;
66843 +
66844 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
66845 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
66846 + if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)
66847 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
66848 + && !in_group_p(grsec_proc_gid)
66849 +#endif
66850 + )
66851 + unrestricted = 0;
66852 +#endif
66853 +#endif
66854
66855 user = nice = system = idle = iowait =
66856 irq = softirq = steal = 0;
66857 @@ -99,23 +112,25 @@ static int show_stat(struct seq_file *p, void *v)
66858 nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
66859 system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
66860 idle += get_idle_time(i);
66861 - iowait += get_iowait_time(i);
66862 - irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
66863 - softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
66864 - steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
66865 - guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
66866 - guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
66867 - sum += kstat_cpu_irqs_sum(i);
66868 - sum += arch_irq_stat_cpu(i);
66869 + if (unrestricted) {
66870 + iowait += get_iowait_time(i);
66871 + irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
66872 + softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
66873 + steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
66874 + guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
66875 + guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
66876 + sum += kstat_cpu_irqs_sum(i);
66877 + sum += arch_irq_stat_cpu(i);
66878 + for (j = 0; j < NR_SOFTIRQS; j++) {
66879 + unsigned int softirq_stat = kstat_softirqs_cpu(j, i);
66880
66881 - for (j = 0; j < NR_SOFTIRQS; j++) {
66882 - unsigned int softirq_stat = kstat_softirqs_cpu(j, i);
66883 -
66884 - per_softirq_sums[j] += softirq_stat;
66885 - sum_softirq += softirq_stat;
66886 + per_softirq_sums[j] += softirq_stat;
66887 + sum_softirq += softirq_stat;
66888 + }
66889 }
66890 }
66891 - sum += arch_irq_stat();
66892 + if (unrestricted)
66893 + sum += arch_irq_stat();
66894
66895 seq_puts(p, "cpu ");
66896 seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
66897 @@ -136,12 +151,14 @@ static int show_stat(struct seq_file *p, void *v)
66898 nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
66899 system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
66900 idle = get_idle_time(i);
66901 - iowait = get_iowait_time(i);
66902 - irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
66903 - softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
66904 - steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
66905 - guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
66906 - guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
66907 + if (unrestricted) {
66908 + iowait = get_iowait_time(i);
66909 + irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
66910 + softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
66911 + steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
66912 + guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
66913 + guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
66914 + }
66915 seq_printf(p, "cpu%d", i);
66916 seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
66917 seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
66918 @@ -159,7 +176,7 @@ static int show_stat(struct seq_file *p, void *v)
66919
66920 /* sum again ? it could be updated? */
66921 for_each_irq_nr(j)
66922 - seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j));
66923 + seq_put_decimal_ull(p, ' ', unrestricted ? kstat_irqs_usr(j) : 0ULL);
66924
66925 seq_printf(p,
66926 "\nctxt %llu\n"
66927 @@ -167,11 +184,11 @@ static int show_stat(struct seq_file *p, void *v)
66928 "processes %lu\n"
66929 "procs_running %lu\n"
66930 "procs_blocked %lu\n",
66931 - nr_context_switches(),
66932 + unrestricted ? nr_context_switches() : 0ULL,
66933 (unsigned long)jif,
66934 - total_forks,
66935 - nr_running(),
66936 - nr_iowait());
66937 + unrestricted ? total_forks : 0UL,
66938 + unrestricted ? nr_running() : 0UL,
66939 + unrestricted ? nr_iowait() : 0UL);
66940
66941 seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);
66942
66943 diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
66944 index 4e0388c..fc6a0e1 100644
66945 --- a/fs/proc/task_mmu.c
66946 +++ b/fs/proc/task_mmu.c
66947 @@ -13,12 +13,19 @@
66948 #include <linux/swap.h>
66949 #include <linux/swapops.h>
66950 #include <linux/mmu_notifier.h>
66951 +#include <linux/grsecurity.h>
66952
66953 #include <asm/elf.h>
66954 #include <asm/uaccess.h>
66955 #include <asm/tlbflush.h>
66956 #include "internal.h"
66957
66958 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
66959 +#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \
66960 + (_mm->pax_flags & MF_PAX_RANDMMAP || \
66961 + _mm->pax_flags & MF_PAX_SEGMEXEC))
66962 +#endif
66963 +
66964 void task_mem(struct seq_file *m, struct mm_struct *mm)
66965 {
66966 unsigned long data, text, lib, swap;
66967 @@ -54,8 +61,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
66968 "VmExe:\t%8lu kB\n"
66969 "VmLib:\t%8lu kB\n"
66970 "VmPTE:\t%8lu kB\n"
66971 - "VmSwap:\t%8lu kB\n",
66972 - hiwater_vm << (PAGE_SHIFT-10),
66973 + "VmSwap:\t%8lu kB\n"
66974 +
66975 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
66976 + "CsBase:\t%8lx\nCsLim:\t%8lx\n"
66977 +#endif
66978 +
66979 + ,hiwater_vm << (PAGE_SHIFT-10),
66980 total_vm << (PAGE_SHIFT-10),
66981 mm->locked_vm << (PAGE_SHIFT-10),
66982 mm->pinned_vm << (PAGE_SHIFT-10),
66983 @@ -65,7 +77,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
66984 mm->stack_vm << (PAGE_SHIFT-10), text, lib,
66985 (PTRS_PER_PTE * sizeof(pte_t) *
66986 atomic_long_read(&mm->nr_ptes)) >> 10,
66987 - swap << (PAGE_SHIFT-10));
66988 + swap << (PAGE_SHIFT-10)
66989 +
66990 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
66991 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
66992 + , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_base
66993 + , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_limit
66994 +#else
66995 + , mm->context.user_cs_base
66996 + , mm->context.user_cs_limit
66997 +#endif
66998 +#endif
66999 +
67000 + );
67001 }
67002
67003 unsigned long task_vsize(struct mm_struct *mm)
67004 @@ -282,13 +306,13 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
67005 pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
67006 }
67007
67008 - /* We don't show the stack guard page in /proc/maps */
67009 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67010 + start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start;
67011 + end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end;
67012 +#else
67013 start = vma->vm_start;
67014 - if (stack_guard_page_start(vma, start))
67015 - start += PAGE_SIZE;
67016 end = vma->vm_end;
67017 - if (stack_guard_page_end(vma, end))
67018 - end -= PAGE_SIZE;
67019 +#endif
67020
67021 seq_setwidth(m, 25 + sizeof(void *) * 6 - 1);
67022 seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ",
67023 @@ -298,7 +322,11 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
67024 flags & VM_WRITE ? 'w' : '-',
67025 flags & VM_EXEC ? 'x' : '-',
67026 flags & VM_MAYSHARE ? 's' : 'p',
67027 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67028 + PAX_RAND_FLAGS(mm) ? 0UL : pgoff,
67029 +#else
67030 pgoff,
67031 +#endif
67032 MAJOR(dev), MINOR(dev), ino);
67033
67034 /*
67035 @@ -307,7 +335,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
67036 */
67037 if (file) {
67038 seq_pad(m, ' ');
67039 - seq_path(m, &file->f_path, "\n");
67040 + seq_path(m, &file->f_path, "\n\\");
67041 goto done;
67042 }
67043
67044 @@ -338,8 +366,9 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
67045 * Thread stack in /proc/PID/task/TID/maps or
67046 * the main process stack.
67047 */
67048 - if (!is_pid || (vma->vm_start <= mm->start_stack &&
67049 - vma->vm_end >= mm->start_stack)) {
67050 + if (!is_pid || (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) ||
67051 + (vma->vm_start <= mm->start_stack &&
67052 + vma->vm_end >= mm->start_stack)) {
67053 name = "[stack]";
67054 } else {
67055 /* Thread stack in /proc/PID/maps */
67056 @@ -359,6 +388,12 @@ done:
67057
67058 static int show_map(struct seq_file *m, void *v, int is_pid)
67059 {
67060 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67061 + if (current->exec_id != m->exec_id) {
67062 + gr_log_badprocpid("maps");
67063 + return 0;
67064 + }
67065 +#endif
67066 show_map_vma(m, v, is_pid);
67067 m_cache_vma(m, v);
67068 return 0;
67069 @@ -594,12 +629,23 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
67070 .private = &mss,
67071 };
67072
67073 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67074 + if (current->exec_id != m->exec_id) {
67075 + gr_log_badprocpid("smaps");
67076 + return 0;
67077 + }
67078 +#endif
67079 memset(&mss, 0, sizeof mss);
67080 - mss.vma = vma;
67081 - /* mmap_sem is held in m_start */
67082 - if (vma->vm_mm && !is_vm_hugetlb_page(vma))
67083 - walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
67084 -
67085 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67086 + if (!PAX_RAND_FLAGS(vma->vm_mm)) {
67087 +#endif
67088 + mss.vma = vma;
67089 + /* mmap_sem is held in m_start */
67090 + if (vma->vm_mm && !is_vm_hugetlb_page(vma))
67091 + walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
67092 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67093 + }
67094 +#endif
67095 show_map_vma(m, vma, is_pid);
67096
67097 seq_printf(m,
67098 @@ -617,7 +663,11 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
67099 "KernelPageSize: %8lu kB\n"
67100 "MMUPageSize: %8lu kB\n"
67101 "Locked: %8lu kB\n",
67102 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67103 + PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10,
67104 +#else
67105 (vma->vm_end - vma->vm_start) >> 10,
67106 +#endif
67107 mss.resident >> 10,
67108 (unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
67109 mss.shared_clean >> 10,
67110 @@ -1447,6 +1497,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
67111 char buffer[64];
67112 int nid;
67113
67114 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67115 + if (current->exec_id != m->exec_id) {
67116 + gr_log_badprocpid("numa_maps");
67117 + return 0;
67118 + }
67119 +#endif
67120 +
67121 if (!mm)
67122 return 0;
67123
67124 @@ -1468,11 +1525,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
67125 mpol_to_str(buffer, sizeof(buffer), proc_priv->task_mempolicy);
67126 }
67127
67128 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67129 + seq_printf(m, "%08lx %s", PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : vma->vm_start, buffer);
67130 +#else
67131 seq_printf(m, "%08lx %s", vma->vm_start, buffer);
67132 +#endif
67133
67134 if (file) {
67135 seq_puts(m, " file=");
67136 - seq_path(m, &file->f_path, "\n\t= ");
67137 + seq_path(m, &file->f_path, "\n\t\\= ");
67138 } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
67139 seq_puts(m, " heap");
67140 } else {
67141 diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
67142 index 599ec2e..f1413ae 100644
67143 --- a/fs/proc/task_nommu.c
67144 +++ b/fs/proc/task_nommu.c
67145 @@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
67146 else
67147 bytes += kobjsize(mm);
67148
67149 - if (current->fs && current->fs->users > 1)
67150 + if (current->fs && atomic_read(&current->fs->users) > 1)
67151 sbytes += kobjsize(current->fs);
67152 else
67153 bytes += kobjsize(current->fs);
67154 @@ -180,7 +180,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
67155
67156 if (file) {
67157 seq_pad(m, ' ');
67158 - seq_path(m, &file->f_path, "");
67159 + seq_path(m, &file->f_path, "\n\\");
67160 } else if (mm) {
67161 pid_t tid = pid_of_stack(priv, vma, is_pid);
67162
67163 diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
67164 index a90d6d35..d08047c 100644
67165 --- a/fs/proc/vmcore.c
67166 +++ b/fs/proc/vmcore.c
67167 @@ -105,9 +105,13 @@ static ssize_t read_from_oldmem(char *buf, size_t count,
67168 nr_bytes = count;
67169
67170 /* If pfn is not ram, return zeros for sparse dump files */
67171 - if (pfn_is_ram(pfn) == 0)
67172 - memset(buf, 0, nr_bytes);
67173 - else {
67174 + if (pfn_is_ram(pfn) == 0) {
67175 + if (userbuf) {
67176 + if (clear_user((char __force_user *)buf, nr_bytes))
67177 + return -EFAULT;
67178 + } else
67179 + memset(buf, 0, nr_bytes);
67180 + } else {
67181 tmp = copy_oldmem_page(pfn, buf, nr_bytes,
67182 offset, userbuf);
67183 if (tmp < 0)
67184 @@ -170,7 +174,7 @@ int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma,
67185 static int copy_to(void *target, void *src, size_t size, int userbuf)
67186 {
67187 if (userbuf) {
67188 - if (copy_to_user((char __user *) target, src, size))
67189 + if (copy_to_user((char __force_user *) target, src, size))
67190 return -EFAULT;
67191 } else {
67192 memcpy(target, src, size);
67193 @@ -233,7 +237,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos,
67194 if (*fpos < m->offset + m->size) {
67195 tsz = min_t(size_t, m->offset + m->size - *fpos, buflen);
67196 start = m->paddr + *fpos - m->offset;
67197 - tmp = read_from_oldmem(buffer, tsz, &start, userbuf);
67198 + tmp = read_from_oldmem((char __force_kernel *)buffer, tsz, &start, userbuf);
67199 if (tmp < 0)
67200 return tmp;
67201 buflen -= tsz;
67202 @@ -253,7 +257,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos,
67203 static ssize_t read_vmcore(struct file *file, char __user *buffer,
67204 size_t buflen, loff_t *fpos)
67205 {
67206 - return __read_vmcore((__force char *) buffer, buflen, fpos, 1);
67207 + return __read_vmcore((__force_kernel char *) buffer, buflen, fpos, 1);
67208 }
67209
67210 /*
67211 diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h
67212 index d3fb2b6..43a8140 100644
67213 --- a/fs/qnx6/qnx6.h
67214 +++ b/fs/qnx6/qnx6.h
67215 @@ -74,7 +74,7 @@ enum {
67216 BYTESEX_BE,
67217 };
67218
67219 -static inline __u64 fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n)
67220 +static inline __u64 __intentional_overflow(-1) fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n)
67221 {
67222 if (sbi->s_bytesex == BYTESEX_LE)
67223 return le64_to_cpu((__force __le64)n);
67224 @@ -90,7 +90,7 @@ static inline __fs64 cpu_to_fs64(struct qnx6_sb_info *sbi, __u64 n)
67225 return (__force __fs64)cpu_to_be64(n);
67226 }
67227
67228 -static inline __u32 fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n)
67229 +static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n)
67230 {
67231 if (sbi->s_bytesex == BYTESEX_LE)
67232 return le32_to_cpu((__force __le32)n);
67233 diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
67234 index bb2869f..d34ada8 100644
67235 --- a/fs/quota/netlink.c
67236 +++ b/fs/quota/netlink.c
67237 @@ -44,7 +44,7 @@ static struct genl_family quota_genl_family = {
67238 void quota_send_warning(struct kqid qid, dev_t dev,
67239 const char warntype)
67240 {
67241 - static atomic_t seq;
67242 + static atomic_unchecked_t seq;
67243 struct sk_buff *skb;
67244 void *msg_head;
67245 int ret;
67246 @@ -60,7 +60,7 @@ void quota_send_warning(struct kqid qid, dev_t dev,
67247 "VFS: Not enough memory to send quota warning.\n");
67248 return;
67249 }
67250 - msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq),
67251 + msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq),
67252 &quota_genl_family, 0, QUOTA_NL_C_WARNING);
67253 if (!msg_head) {
67254 printk(KERN_ERR
67255 diff --git a/fs/read_write.c b/fs/read_write.c
67256 index 7d9318c..51b336f 100644
67257 --- a/fs/read_write.c
67258 +++ b/fs/read_write.c
67259 @@ -495,7 +495,7 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t
67260
67261 old_fs = get_fs();
67262 set_fs(get_ds());
67263 - p = (__force const char __user *)buf;
67264 + p = (const char __force_user *)buf;
67265 if (count > MAX_RW_COUNT)
67266 count = MAX_RW_COUNT;
67267 if (file->f_op->write)
67268 diff --git a/fs/readdir.c b/fs/readdir.c
67269 index 33fd922..e0d6094 100644
67270 --- a/fs/readdir.c
67271 +++ b/fs/readdir.c
67272 @@ -18,6 +18,7 @@
67273 #include <linux/security.h>
67274 #include <linux/syscalls.h>
67275 #include <linux/unistd.h>
67276 +#include <linux/namei.h>
67277
67278 #include <asm/uaccess.h>
67279
67280 @@ -71,6 +72,7 @@ struct old_linux_dirent {
67281 struct readdir_callback {
67282 struct dir_context ctx;
67283 struct old_linux_dirent __user * dirent;
67284 + struct file * file;
67285 int result;
67286 };
67287
67288 @@ -88,6 +90,10 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset
67289 buf->result = -EOVERFLOW;
67290 return -EOVERFLOW;
67291 }
67292 +
67293 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
67294 + return 0;
67295 +
67296 buf->result++;
67297 dirent = buf->dirent;
67298 if (!access_ok(VERIFY_WRITE, dirent,
67299 @@ -119,6 +125,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
67300 if (!f.file)
67301 return -EBADF;
67302
67303 + buf.file = f.file;
67304 error = iterate_dir(f.file, &buf.ctx);
67305 if (buf.result)
67306 error = buf.result;
67307 @@ -144,6 +151,7 @@ struct getdents_callback {
67308 struct dir_context ctx;
67309 struct linux_dirent __user * current_dir;
67310 struct linux_dirent __user * previous;
67311 + struct file * file;
67312 int count;
67313 int error;
67314 };
67315 @@ -165,6 +173,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
67316 buf->error = -EOVERFLOW;
67317 return -EOVERFLOW;
67318 }
67319 +
67320 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
67321 + return 0;
67322 +
67323 dirent = buf->previous;
67324 if (dirent) {
67325 if (__put_user(offset, &dirent->d_off))
67326 @@ -210,6 +222,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
67327 if (!f.file)
67328 return -EBADF;
67329
67330 + buf.file = f.file;
67331 error = iterate_dir(f.file, &buf.ctx);
67332 if (error >= 0)
67333 error = buf.error;
67334 @@ -228,6 +241,7 @@ struct getdents_callback64 {
67335 struct dir_context ctx;
67336 struct linux_dirent64 __user * current_dir;
67337 struct linux_dirent64 __user * previous;
67338 + struct file *file;
67339 int count;
67340 int error;
67341 };
67342 @@ -243,6 +257,10 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset,
67343 buf->error = -EINVAL; /* only used if we fail.. */
67344 if (reclen > buf->count)
67345 return -EINVAL;
67346 +
67347 + if (!gr_acl_handle_filldir(buf->file, name, namlen, ino))
67348 + return 0;
67349 +
67350 dirent = buf->previous;
67351 if (dirent) {
67352 if (__put_user(offset, &dirent->d_off))
67353 @@ -290,6 +308,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
67354 if (!f.file)
67355 return -EBADF;
67356
67357 + buf.file = f.file;
67358 error = iterate_dir(f.file, &buf.ctx);
67359 if (error >= 0)
67360 error = buf.error;
67361 diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
67362 index 9c02d96..6562c10 100644
67363 --- a/fs/reiserfs/do_balan.c
67364 +++ b/fs/reiserfs/do_balan.c
67365 @@ -1887,7 +1887,7 @@ void do_balance(struct tree_balance *tb, struct item_head *ih,
67366 return;
67367 }
67368
67369 - atomic_inc(&fs_generation(tb->tb_sb));
67370 + atomic_inc_unchecked(&fs_generation(tb->tb_sb));
67371 do_balance_starts(tb);
67372
67373 /*
67374 diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c
67375 index aca73dd..e3c558d 100644
67376 --- a/fs/reiserfs/item_ops.c
67377 +++ b/fs/reiserfs/item_ops.c
67378 @@ -724,18 +724,18 @@ static void errcatch_print_vi(struct virtual_item *vi)
67379 }
67380
67381 static struct item_operations errcatch_ops = {
67382 - errcatch_bytes_number,
67383 - errcatch_decrement_key,
67384 - errcatch_is_left_mergeable,
67385 - errcatch_print_item,
67386 - errcatch_check_item,
67387 + .bytes_number = errcatch_bytes_number,
67388 + .decrement_key = errcatch_decrement_key,
67389 + .is_left_mergeable = errcatch_is_left_mergeable,
67390 + .print_item = errcatch_print_item,
67391 + .check_item = errcatch_check_item,
67392
67393 - errcatch_create_vi,
67394 - errcatch_check_left,
67395 - errcatch_check_right,
67396 - errcatch_part_size,
67397 - errcatch_unit_num,
67398 - errcatch_print_vi
67399 + .create_vi = errcatch_create_vi,
67400 + .check_left = errcatch_check_left,
67401 + .check_right = errcatch_check_right,
67402 + .part_size = errcatch_part_size,
67403 + .unit_num = errcatch_unit_num,
67404 + .print_vi = errcatch_print_vi
67405 };
67406
67407 #if ! (TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3)
67408 diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
67409 index 621b9f3..af527fd 100644
67410 --- a/fs/reiserfs/procfs.c
67411 +++ b/fs/reiserfs/procfs.c
67412 @@ -114,7 +114,7 @@ static int show_super(struct seq_file *m, void *unused)
67413 "SMALL_TAILS " : "NO_TAILS ",
67414 replay_only(sb) ? "REPLAY_ONLY " : "",
67415 convert_reiserfs(sb) ? "CONV " : "",
67416 - atomic_read(&r->s_generation_counter),
67417 + atomic_read_unchecked(&r->s_generation_counter),
67418 SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes),
67419 SF(s_do_balance), SF(s_unneeded_left_neighbor),
67420 SF(s_good_search_by_key_reada), SF(s_bmaps),
67421 diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
67422 index 1894d96..1dfd1c2 100644
67423 --- a/fs/reiserfs/reiserfs.h
67424 +++ b/fs/reiserfs/reiserfs.h
67425 @@ -576,7 +576,7 @@ struct reiserfs_sb_info {
67426 /* Comment? -Hans */
67427 wait_queue_head_t s_wait;
67428 /* increased by one every time the tree gets re-balanced */
67429 - atomic_t s_generation_counter;
67430 + atomic_unchecked_t s_generation_counter;
67431
67432 /* File system properties. Currently holds on-disk FS format */
67433 unsigned long s_properties;
67434 @@ -2297,7 +2297,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode)
67435 #define REISERFS_USER_MEM 1 /* user memory mode */
67436
67437 #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter)
67438 -#define get_generation(s) atomic_read (&fs_generation(s))
67439 +#define get_generation(s) atomic_read_unchecked (&fs_generation(s))
67440 #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen)
67441 #define __fs_changed(gen,s) (gen != get_generation (s))
67442 #define fs_changed(gen,s) \
67443 diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
67444 index b27ef35..d9c6c18 100644
67445 --- a/fs/reiserfs/super.c
67446 +++ b/fs/reiserfs/super.c
67447 @@ -1857,6 +1857,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
67448 sbi->s_mount_opt |= (1 << REISERFS_SMALLTAIL);
67449 sbi->s_mount_opt |= (1 << REISERFS_ERROR_RO);
67450 sbi->s_mount_opt |= (1 << REISERFS_BARRIER_FLUSH);
67451 +#ifdef CONFIG_REISERFS_FS_XATTR
67452 + /* turn on user xattrs by default */
67453 + sbi->s_mount_opt |= (1 << REISERFS_XATTRS_USER);
67454 +#endif
67455 /* no preallocation minimum, be smart in reiserfs_file_write instead */
67456 sbi->s_alloc_options.preallocmin = 0;
67457 /* Preallocate by 16 blocks (17-1) at once */
67458 diff --git a/fs/select.c b/fs/select.c
67459 index 467bb1c..cf9d65a 100644
67460 --- a/fs/select.c
67461 +++ b/fs/select.c
67462 @@ -20,6 +20,7 @@
67463 #include <linux/export.h>
67464 #include <linux/slab.h>
67465 #include <linux/poll.h>
67466 +#include <linux/security.h>
67467 #include <linux/personality.h> /* for STICKY_TIMEOUTS */
67468 #include <linux/file.h>
67469 #include <linux/fdtable.h>
67470 @@ -880,6 +881,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
67471 struct poll_list *walk = head;
67472 unsigned long todo = nfds;
67473
67474 + gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1);
67475 if (nfds > rlimit(RLIMIT_NOFILE))
67476 return -EINVAL;
67477
67478 diff --git a/fs/seq_file.c b/fs/seq_file.c
67479 index 3857b72..0b7281e 100644
67480 --- a/fs/seq_file.c
67481 +++ b/fs/seq_file.c
67482 @@ -12,6 +12,8 @@
67483 #include <linux/slab.h>
67484 #include <linux/cred.h>
67485 #include <linux/mm.h>
67486 +#include <linux/sched.h>
67487 +#include <linux/grsecurity.h>
67488
67489 #include <asm/uaccess.h>
67490 #include <asm/page.h>
67491 @@ -34,12 +36,7 @@ static void seq_set_overflow(struct seq_file *m)
67492
67493 static void *seq_buf_alloc(unsigned long size)
67494 {
67495 - void *buf;
67496 -
67497 - buf = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
67498 - if (!buf && size > PAGE_SIZE)
67499 - buf = vmalloc(size);
67500 - return buf;
67501 + return kmalloc(size, GFP_KERNEL | GFP_USERCOPY);
67502 }
67503
67504 /**
67505 @@ -72,6 +69,9 @@ int seq_open(struct file *file, const struct seq_operations *op)
67506 #ifdef CONFIG_USER_NS
67507 p->user_ns = file->f_cred->user_ns;
67508 #endif
67509 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
67510 + p->exec_id = current->exec_id;
67511 +#endif
67512
67513 /*
67514 * Wrappers around seq_open(e.g. swaps_open) need to be
67515 @@ -94,6 +94,16 @@ int seq_open(struct file *file, const struct seq_operations *op)
67516 }
67517 EXPORT_SYMBOL(seq_open);
67518
67519 +
67520 +int seq_open_restrict(struct file *file, const struct seq_operations *op)
67521 +{
67522 + if (gr_proc_is_restricted())
67523 + return -EACCES;
67524 +
67525 + return seq_open(file, op);
67526 +}
67527 +EXPORT_SYMBOL(seq_open_restrict);
67528 +
67529 static int traverse(struct seq_file *m, loff_t offset)
67530 {
67531 loff_t pos = 0, index;
67532 @@ -165,7 +175,7 @@ Eoverflow:
67533 ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
67534 {
67535 struct seq_file *m = file->private_data;
67536 - size_t copied = 0;
67537 + ssize_t copied = 0;
67538 loff_t pos;
67539 size_t n;
67540 void *p;
67541 @@ -596,7 +606,7 @@ static void single_stop(struct seq_file *p, void *v)
67542 int single_open(struct file *file, int (*show)(struct seq_file *, void *),
67543 void *data)
67544 {
67545 - struct seq_operations *op = kmalloc(sizeof(*op), GFP_KERNEL);
67546 + seq_operations_no_const *op = kzalloc(sizeof(*op), GFP_KERNEL);
67547 int res = -ENOMEM;
67548
67549 if (op) {
67550 @@ -632,6 +642,17 @@ int single_open_size(struct file *file, int (*show)(struct seq_file *, void *),
67551 }
67552 EXPORT_SYMBOL(single_open_size);
67553
67554 +int single_open_restrict(struct file *file, int (*show)(struct seq_file *, void *),
67555 + void *data)
67556 +{
67557 + if (gr_proc_is_restricted())
67558 + return -EACCES;
67559 +
67560 + return single_open(file, show, data);
67561 +}
67562 +EXPORT_SYMBOL(single_open_restrict);
67563 +
67564 +
67565 int single_release(struct inode *inode, struct file *file)
67566 {
67567 const struct seq_operations *op = ((struct seq_file *)file->private_data)->op;
67568 diff --git a/fs/splice.c b/fs/splice.c
67569 index 75c6058..770d40c 100644
67570 --- a/fs/splice.c
67571 +++ b/fs/splice.c
67572 @@ -193,7 +193,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
67573 pipe_lock(pipe);
67574
67575 for (;;) {
67576 - if (!pipe->readers) {
67577 + if (!atomic_read(&pipe->readers)) {
67578 send_sig(SIGPIPE, current, 0);
67579 if (!ret)
67580 ret = -EPIPE;
67581 @@ -216,7 +216,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
67582 page_nr++;
67583 ret += buf->len;
67584
67585 - if (pipe->files)
67586 + if (atomic_read(&pipe->files))
67587 do_wakeup = 1;
67588
67589 if (!--spd->nr_pages)
67590 @@ -247,9 +247,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
67591 do_wakeup = 0;
67592 }
67593
67594 - pipe->waiting_writers++;
67595 + atomic_inc(&pipe->waiting_writers);
67596 pipe_wait(pipe);
67597 - pipe->waiting_writers--;
67598 + atomic_dec(&pipe->waiting_writers);
67599 }
67600
67601 pipe_unlock(pipe);
67602 @@ -576,7 +576,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec,
67603 old_fs = get_fs();
67604 set_fs(get_ds());
67605 /* The cast to a user pointer is valid due to the set_fs() */
67606 - res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos);
67607 + res = vfs_readv(file, (const struct iovec __force_user *)vec, vlen, &pos);
67608 set_fs(old_fs);
67609
67610 return res;
67611 @@ -591,7 +591,7 @@ ssize_t kernel_write(struct file *file, const char *buf, size_t count,
67612 old_fs = get_fs();
67613 set_fs(get_ds());
67614 /* The cast to a user pointer is valid due to the set_fs() */
67615 - res = vfs_write(file, (__force const char __user *)buf, count, &pos);
67616 + res = vfs_write(file, (const char __force_user *)buf, count, &pos);
67617 set_fs(old_fs);
67618
67619 return res;
67620 @@ -644,7 +644,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
67621 goto err;
67622
67623 this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset);
67624 - vec[i].iov_base = (void __user *) page_address(page);
67625 + vec[i].iov_base = (void __force_user *) page_address(page);
67626 vec[i].iov_len = this_len;
67627 spd.pages[i] = page;
67628 spd.nr_pages++;
67629 @@ -783,7 +783,7 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des
67630 ops->release(pipe, buf);
67631 pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
67632 pipe->nrbufs--;
67633 - if (pipe->files)
67634 + if (atomic_read(&pipe->files))
67635 sd->need_wakeup = true;
67636 }
67637
67638 @@ -807,10 +807,10 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des
67639 static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd)
67640 {
67641 while (!pipe->nrbufs) {
67642 - if (!pipe->writers)
67643 + if (!atomic_read(&pipe->writers))
67644 return 0;
67645
67646 - if (!pipe->waiting_writers && sd->num_spliced)
67647 + if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced)
67648 return 0;
67649
67650 if (sd->flags & SPLICE_F_NONBLOCK)
67651 @@ -1040,7 +1040,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
67652 ops->release(pipe, buf);
67653 pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1);
67654 pipe->nrbufs--;
67655 - if (pipe->files)
67656 + if (atomic_read(&pipe->files))
67657 sd.need_wakeup = true;
67658 } else {
67659 buf->offset += ret;
67660 @@ -1200,7 +1200,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
67661 * out of the pipe right after the splice_to_pipe(). So set
67662 * PIPE_READERS appropriately.
67663 */
67664 - pipe->readers = 1;
67665 + atomic_set(&pipe->readers, 1);
67666
67667 current->splice_pipe = pipe;
67668 }
67669 @@ -1497,6 +1497,7 @@ static int get_iovec_page_array(const struct iovec __user *iov,
67670
67671 partial[buffers].offset = off;
67672 partial[buffers].len = plen;
67673 + partial[buffers].private = 0;
67674
67675 off = 0;
67676 len -= plen;
67677 @@ -1733,9 +1734,9 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
67678 ret = -ERESTARTSYS;
67679 break;
67680 }
67681 - if (!pipe->writers)
67682 + if (!atomic_read(&pipe->writers))
67683 break;
67684 - if (!pipe->waiting_writers) {
67685 + if (!atomic_read(&pipe->waiting_writers)) {
67686 if (flags & SPLICE_F_NONBLOCK) {
67687 ret = -EAGAIN;
67688 break;
67689 @@ -1767,7 +1768,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
67690 pipe_lock(pipe);
67691
67692 while (pipe->nrbufs >= pipe->buffers) {
67693 - if (!pipe->readers) {
67694 + if (!atomic_read(&pipe->readers)) {
67695 send_sig(SIGPIPE, current, 0);
67696 ret = -EPIPE;
67697 break;
67698 @@ -1780,9 +1781,9 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
67699 ret = -ERESTARTSYS;
67700 break;
67701 }
67702 - pipe->waiting_writers++;
67703 + atomic_inc(&pipe->waiting_writers);
67704 pipe_wait(pipe);
67705 - pipe->waiting_writers--;
67706 + atomic_dec(&pipe->waiting_writers);
67707 }
67708
67709 pipe_unlock(pipe);
67710 @@ -1818,14 +1819,14 @@ retry:
67711 pipe_double_lock(ipipe, opipe);
67712
67713 do {
67714 - if (!opipe->readers) {
67715 + if (!atomic_read(&opipe->readers)) {
67716 send_sig(SIGPIPE, current, 0);
67717 if (!ret)
67718 ret = -EPIPE;
67719 break;
67720 }
67721
67722 - if (!ipipe->nrbufs && !ipipe->writers)
67723 + if (!ipipe->nrbufs && !atomic_read(&ipipe->writers))
67724 break;
67725
67726 /*
67727 @@ -1922,7 +1923,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
67728 pipe_double_lock(ipipe, opipe);
67729
67730 do {
67731 - if (!opipe->readers) {
67732 + if (!atomic_read(&opipe->readers)) {
67733 send_sig(SIGPIPE, current, 0);
67734 if (!ret)
67735 ret = -EPIPE;
67736 @@ -1967,7 +1968,7 @@ static int link_pipe(struct pipe_inode_info *ipipe,
67737 * return EAGAIN if we have the potential of some data in the
67738 * future, otherwise just return 0
67739 */
67740 - if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK))
67741 + if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK))
67742 ret = -EAGAIN;
67743
67744 pipe_unlock(ipipe);
67745 diff --git a/fs/stat.c b/fs/stat.c
67746 index ae0c3ce..9ee641c 100644
67747 --- a/fs/stat.c
67748 +++ b/fs/stat.c
67749 @@ -28,8 +28,13 @@ void generic_fillattr(struct inode *inode, struct kstat *stat)
67750 stat->gid = inode->i_gid;
67751 stat->rdev = inode->i_rdev;
67752 stat->size = i_size_read(inode);
67753 - stat->atime = inode->i_atime;
67754 - stat->mtime = inode->i_mtime;
67755 + if (is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) {
67756 + stat->atime = inode->i_ctime;
67757 + stat->mtime = inode->i_ctime;
67758 + } else {
67759 + stat->atime = inode->i_atime;
67760 + stat->mtime = inode->i_mtime;
67761 + }
67762 stat->ctime = inode->i_ctime;
67763 stat->blksize = (1 << inode->i_blkbits);
67764 stat->blocks = inode->i_blocks;
67765 @@ -52,9 +57,16 @@ EXPORT_SYMBOL(generic_fillattr);
67766 int vfs_getattr_nosec(struct path *path, struct kstat *stat)
67767 {
67768 struct inode *inode = path->dentry->d_inode;
67769 + int retval;
67770
67771 - if (inode->i_op->getattr)
67772 - return inode->i_op->getattr(path->mnt, path->dentry, stat);
67773 + if (inode->i_op->getattr) {
67774 + retval = inode->i_op->getattr(path->mnt, path->dentry, stat);
67775 + if (!retval && is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) {
67776 + stat->atime = stat->ctime;
67777 + stat->mtime = stat->ctime;
67778 + }
67779 + return retval;
67780 + }
67781
67782 generic_fillattr(inode, stat);
67783 return 0;
67784 diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
67785 index 0b45ff4..847de5b 100644
67786 --- a/fs/sysfs/dir.c
67787 +++ b/fs/sysfs/dir.c
67788 @@ -41,9 +41,16 @@ void sysfs_warn_dup(struct kernfs_node *parent, const char *name)
67789 int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
67790 {
67791 struct kernfs_node *parent, *kn;
67792 + const char *name;
67793 + umode_t mode = S_IRWXU | S_IRUGO | S_IXUGO;
67794 +#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
67795 + const char *parent_name;
67796 +#endif
67797
67798 BUG_ON(!kobj);
67799
67800 + name = kobject_name(kobj);
67801 +
67802 if (kobj->parent)
67803 parent = kobj->parent->sd;
67804 else
67805 @@ -52,11 +59,22 @@ int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
67806 if (!parent)
67807 return -ENOENT;
67808
67809 - kn = kernfs_create_dir_ns(parent, kobject_name(kobj),
67810 - S_IRWXU | S_IRUGO | S_IXUGO, kobj, ns);
67811 +#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT
67812 + parent_name = parent->name;
67813 + mode = S_IRWXU;
67814 +
67815 + if ((!strcmp(parent_name, "") && (!strcmp(name, "devices") || !strcmp(name, "fs"))) ||
67816 + (!strcmp(parent_name, "devices") && !strcmp(name, "system")) ||
67817 + (!strcmp(parent_name, "fs") && (!strcmp(name, "selinux") || !strcmp(name, "fuse") || !strcmp(name, "ecryptfs"))) ||
67818 + (!strcmp(parent_name, "system") && !strcmp(name, "cpu")))
67819 + mode = S_IRWXU | S_IRUGO | S_IXUGO;
67820 +#endif
67821 +
67822 + kn = kernfs_create_dir_ns(parent, name,
67823 + mode, kobj, ns);
67824 if (IS_ERR(kn)) {
67825 if (PTR_ERR(kn) == -EEXIST)
67826 - sysfs_warn_dup(parent, kobject_name(kobj));
67827 + sysfs_warn_dup(parent, name);
67828 return PTR_ERR(kn);
67829 }
67830
67831 diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
67832 index 69d4889..a810bd4 100644
67833 --- a/fs/sysv/sysv.h
67834 +++ b/fs/sysv/sysv.h
67835 @@ -188,7 +188,7 @@ static inline u32 PDP_swab(u32 x)
67836 #endif
67837 }
67838
67839 -static inline __u32 fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n)
67840 +static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n)
67841 {
67842 if (sbi->s_bytesex == BYTESEX_PDP)
67843 return PDP_swab((__force __u32)n);
67844 diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
67845 index fb08b0c..65fcc7e 100644
67846 --- a/fs/ubifs/io.c
67847 +++ b/fs/ubifs/io.c
67848 @@ -155,7 +155,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len)
67849 return err;
67850 }
67851
67852 -int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
67853 +int __intentional_overflow(-1) ubifs_leb_unmap(struct ubifs_info *c, int lnum)
67854 {
67855 int err;
67856
67857 diff --git a/fs/udf/misc.c b/fs/udf/misc.c
67858 index c175b4d..8f36a16 100644
67859 --- a/fs/udf/misc.c
67860 +++ b/fs/udf/misc.c
67861 @@ -289,7 +289,7 @@ void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
67862
67863 u8 udf_tag_checksum(const struct tag *t)
67864 {
67865 - u8 *data = (u8 *)t;
67866 + const u8 *data = (const u8 *)t;
67867 u8 checksum = 0;
67868 int i;
67869 for (i = 0; i < sizeof(struct tag); ++i)
67870 diff --git a/fs/ufs/swab.h b/fs/ufs/swab.h
67871 index 8d974c4..b82f6ec 100644
67872 --- a/fs/ufs/swab.h
67873 +++ b/fs/ufs/swab.h
67874 @@ -22,7 +22,7 @@ enum {
67875 BYTESEX_BE
67876 };
67877
67878 -static inline u64
67879 +static inline u64 __intentional_overflow(-1)
67880 fs64_to_cpu(struct super_block *sbp, __fs64 n)
67881 {
67882 if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
67883 @@ -40,7 +40,7 @@ cpu_to_fs64(struct super_block *sbp, u64 n)
67884 return (__force __fs64)cpu_to_be64(n);
67885 }
67886
67887 -static inline u32
67888 +static inline u32 __intentional_overflow(-1)
67889 fs32_to_cpu(struct super_block *sbp, __fs32 n)
67890 {
67891 if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
67892 diff --git a/fs/utimes.c b/fs/utimes.c
67893 index aa138d6..5f3a811 100644
67894 --- a/fs/utimes.c
67895 +++ b/fs/utimes.c
67896 @@ -1,6 +1,7 @@
67897 #include <linux/compiler.h>
67898 #include <linux/file.h>
67899 #include <linux/fs.h>
67900 +#include <linux/security.h>
67901 #include <linux/linkage.h>
67902 #include <linux/mount.h>
67903 #include <linux/namei.h>
67904 @@ -103,6 +104,12 @@ static int utimes_common(struct path *path, struct timespec *times)
67905 }
67906 }
67907 retry_deleg:
67908 +
67909 + if (!gr_acl_handle_utime(path->dentry, path->mnt)) {
67910 + error = -EACCES;
67911 + goto mnt_drop_write_and_out;
67912 + }
67913 +
67914 mutex_lock(&inode->i_mutex);
67915 error = notify_change(path->dentry, &newattrs, &delegated_inode);
67916 mutex_unlock(&inode->i_mutex);
67917 diff --git a/fs/xattr.c b/fs/xattr.c
67918 index 64e83ef..b6be154 100644
67919 --- a/fs/xattr.c
67920 +++ b/fs/xattr.c
67921 @@ -227,6 +227,27 @@ int vfs_xattr_cmp(struct dentry *dentry, const char *xattr_name,
67922 return rc;
67923 }
67924
67925 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
67926 +ssize_t
67927 +pax_getxattr(struct dentry *dentry, void *value, size_t size)
67928 +{
67929 + struct inode *inode = dentry->d_inode;
67930 + ssize_t error;
67931 +
67932 + error = inode_permission(inode, MAY_EXEC);
67933 + if (error)
67934 + return error;
67935 +
67936 + if (inode->i_op->getxattr)
67937 + error = inode->i_op->getxattr(dentry, XATTR_NAME_PAX_FLAGS, value, size);
67938 + else
67939 + error = -EOPNOTSUPP;
67940 +
67941 + return error;
67942 +}
67943 +EXPORT_SYMBOL(pax_getxattr);
67944 +#endif
67945 +
67946 ssize_t
67947 vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
67948 {
67949 @@ -319,7 +340,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr);
67950 * Extended attribute SET operations
67951 */
67952 static long
67953 -setxattr(struct dentry *d, const char __user *name, const void __user *value,
67954 +setxattr(struct path *path, const char __user *name, const void __user *value,
67955 size_t size, int flags)
67956 {
67957 int error;
67958 @@ -355,7 +376,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
67959 posix_acl_fix_xattr_from_user(kvalue, size);
67960 }
67961
67962 - error = vfs_setxattr(d, kname, kvalue, size, flags);
67963 + if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) {
67964 + error = -EACCES;
67965 + goto out;
67966 + }
67967 +
67968 + error = vfs_setxattr(path->dentry, kname, kvalue, size, flags);
67969 out:
67970 if (vvalue)
67971 vfree(vvalue);
67972 @@ -376,7 +402,7 @@ retry:
67973 return error;
67974 error = mnt_want_write(path.mnt);
67975 if (!error) {
67976 - error = setxattr(path.dentry, name, value, size, flags);
67977 + error = setxattr(&path, name, value, size, flags);
67978 mnt_drop_write(path.mnt);
67979 }
67980 path_put(&path);
67981 @@ -405,16 +431,14 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
67982 const void __user *,value, size_t, size, int, flags)
67983 {
67984 struct fd f = fdget(fd);
67985 - struct dentry *dentry;
67986 int error = -EBADF;
67987
67988 if (!f.file)
67989 return error;
67990 - dentry = f.file->f_path.dentry;
67991 - audit_inode(NULL, dentry, 0);
67992 + audit_inode(NULL, f.file->f_path.dentry, 0);
67993 error = mnt_want_write_file(f.file);
67994 if (!error) {
67995 - error = setxattr(dentry, name, value, size, flags);
67996 + error = setxattr(&f.file->f_path, name, value, size, flags);
67997 mnt_drop_write_file(f.file);
67998 }
67999 fdput(f);
68000 @@ -600,7 +624,7 @@ SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size)
68001 * Extended attribute REMOVE operations
68002 */
68003 static long
68004 -removexattr(struct dentry *d, const char __user *name)
68005 +removexattr(struct path *path, const char __user *name)
68006 {
68007 int error;
68008 char kname[XATTR_NAME_MAX + 1];
68009 @@ -611,7 +635,10 @@ removexattr(struct dentry *d, const char __user *name)
68010 if (error < 0)
68011 return error;
68012
68013 - return vfs_removexattr(d, kname);
68014 + if (!gr_acl_handle_removexattr(path->dentry, path->mnt))
68015 + return -EACCES;
68016 +
68017 + return vfs_removexattr(path->dentry, kname);
68018 }
68019
68020 static int path_removexattr(const char __user *pathname,
68021 @@ -625,7 +652,7 @@ retry:
68022 return error;
68023 error = mnt_want_write(path.mnt);
68024 if (!error) {
68025 - error = removexattr(path.dentry, name);
68026 + error = removexattr(&path, name);
68027 mnt_drop_write(path.mnt);
68028 }
68029 path_put(&path);
68030 @@ -651,16 +678,16 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname,
68031 SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
68032 {
68033 struct fd f = fdget(fd);
68034 - struct dentry *dentry;
68035 + struct path *path;
68036 int error = -EBADF;
68037
68038 if (!f.file)
68039 return error;
68040 - dentry = f.file->f_path.dentry;
68041 - audit_inode(NULL, dentry, 0);
68042 + path = &f.file->f_path;
68043 + audit_inode(NULL, path->dentry, 0);
68044 error = mnt_want_write_file(f.file);
68045 if (!error) {
68046 - error = removexattr(dentry, name);
68047 + error = removexattr(path, name);
68048 mnt_drop_write_file(f.file);
68049 }
68050 fdput(f);
68051 diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
68052 index 79c9819..22226b4 100644
68053 --- a/fs/xfs/libxfs/xfs_bmap.c
68054 +++ b/fs/xfs/libxfs/xfs_bmap.c
68055 @@ -583,7 +583,7 @@ xfs_bmap_validate_ret(
68056
68057 #else
68058 #define xfs_bmap_check_leaf_extents(cur, ip, whichfork) do { } while (0)
68059 -#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)
68060 +#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do { } while (0)
68061 #endif /* DEBUG */
68062
68063 /*
68064 diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
68065 index f1b69ed..3d0222f 100644
68066 --- a/fs/xfs/xfs_dir2_readdir.c
68067 +++ b/fs/xfs/xfs_dir2_readdir.c
68068 @@ -159,7 +159,12 @@ xfs_dir2_sf_getdents(
68069 ino = dp->d_ops->sf_get_ino(sfp, sfep);
68070 filetype = dp->d_ops->sf_get_ftype(sfep);
68071 ctx->pos = off & 0x7fffffff;
68072 - if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino,
68073 + if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) {
68074 + char name[sfep->namelen];
68075 + memcpy(name, sfep->name, sfep->namelen);
68076 + if (!dir_emit(ctx, name, sfep->namelen, ino, xfs_dir3_get_dtype(dp->i_mount, filetype)))
68077 + return 0;
68078 + } else if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino,
68079 xfs_dir3_get_dtype(dp->i_mount, filetype)))
68080 return 0;
68081 sfep = dp->d_ops->sf_nextentry(sfp, sfep);
68082 diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
68083 index 24c926b6..8726af88 100644
68084 --- a/fs/xfs/xfs_ioctl.c
68085 +++ b/fs/xfs/xfs_ioctl.c
68086 @@ -122,7 +122,7 @@ xfs_find_handle(
68087 }
68088
68089 error = -EFAULT;
68090 - if (copy_to_user(hreq->ohandle, &handle, hsize) ||
68091 + if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) ||
68092 copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
68093 goto out_put;
68094
68095 diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
68096 index 6a51619..9592e1b 100644
68097 --- a/fs/xfs/xfs_linux.h
68098 +++ b/fs/xfs/xfs_linux.h
68099 @@ -234,7 +234,7 @@ static inline kgid_t xfs_gid_to_kgid(__uint32_t gid)
68100 * of the compiler which do not like us using do_div in the middle
68101 * of large functions.
68102 */
68103 -static inline __u32 xfs_do_div(void *a, __u32 b, int n)
68104 +static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n)
68105 {
68106 __u32 mod;
68107
68108 @@ -290,7 +290,7 @@ static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
68109 return 0;
68110 }
68111 #else
68112 -static inline __u32 xfs_do_div(void *a, __u32 b, int n)
68113 +static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n)
68114 {
68115 __u32 mod;
68116
68117 diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig
68118 new file mode 100644
68119 index 0000000..31f8fe4
68120 --- /dev/null
68121 +++ b/grsecurity/Kconfig
68122 @@ -0,0 +1,1182 @@
68123 +#
68124 +# grecurity configuration
68125 +#
68126 +menu "Memory Protections"
68127 +depends on GRKERNSEC
68128 +
68129 +config GRKERNSEC_KMEM
68130 + bool "Deny reading/writing to /dev/kmem, /dev/mem, and /dev/port"
68131 + default y if GRKERNSEC_CONFIG_AUTO
68132 + select STRICT_DEVMEM if (X86 || ARM || TILE || S390)
68133 + help
68134 + If you say Y here, /dev/kmem and /dev/mem won't be allowed to
68135 + be written to or read from to modify or leak the contents of the running
68136 + kernel. /dev/port will also not be allowed to be opened, writing to
68137 + /dev/cpu/*/msr will be prevented, and support for kexec will be removed.
68138 + If you have module support disabled, enabling this will close up several
68139 + ways that are currently used to insert malicious code into the running
68140 + kernel.
68141 +
68142 + Even with this feature enabled, we still highly recommend that
68143 + you use the RBAC system, as it is still possible for an attacker to
68144 + modify the running kernel through other more obscure methods.
68145 +
68146 + It is highly recommended that you say Y here if you meet all the
68147 + conditions above.
68148 +
68149 +config GRKERNSEC_VM86
68150 + bool "Restrict VM86 mode"
68151 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
68152 + depends on X86_32
68153 +
68154 + help
68155 + If you say Y here, only processes with CAP_SYS_RAWIO will be able to
68156 + make use of a special execution mode on 32bit x86 processors called
68157 + Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain
68158 + video cards and will still work with this option enabled. The purpose
68159 + of the option is to prevent exploitation of emulation errors in
68160 + virtualization of vm86 mode like the one discovered in VMWare in 2009.
68161 + Nearly all users should be able to enable this option.
68162 +
68163 +config GRKERNSEC_IO
68164 + bool "Disable privileged I/O"
68165 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
68166 + depends on X86
68167 + select RTC_CLASS
68168 + select RTC_INTF_DEV
68169 + select RTC_DRV_CMOS
68170 +
68171 + help
68172 + If you say Y here, all ioperm and iopl calls will return an error.
68173 + Ioperm and iopl can be used to modify the running kernel.
68174 + Unfortunately, some programs need this access to operate properly,
68175 + the most notable of which are XFree86 and hwclock. hwclock can be
68176 + remedied by having RTC support in the kernel, so real-time
68177 + clock support is enabled if this option is enabled, to ensure
68178 + that hwclock operates correctly. If hwclock still does not work,
68179 + either update udev or symlink /dev/rtc to /dev/rtc0.
68180 +
68181 + If you're using XFree86 or a version of Xorg from 2012 or earlier,
68182 + you may not be able to boot into a graphical environment with this
68183 + option enabled. In this case, you should use the RBAC system instead.
68184 +
68185 +config GRKERNSEC_BPF_HARDEN
68186 + bool "Harden BPF interpreter"
68187 + default y if GRKERNSEC_CONFIG_AUTO
68188 + help
68189 + Unlike previous versions of grsecurity that hardened both the BPF
68190 + interpreted code against corruption at rest as well as the JIT code
68191 + against JIT-spray attacks and attacker-controlled immediate values
68192 + for ROP, this feature will enforce disabling of the new eBPF JIT engine
68193 + and will ensure the interpreted code is read-only at rest. This feature
68194 + may be removed at a later time when eBPF stabilizes to entirely revert
68195 + back to the more secure pre-3.16 BPF interpreter/JIT.
68196 +
68197 + If you're using KERNEXEC, it's recommended that you enable this option
68198 + to supplement the hardening of the kernel.
68199 +
68200 +config GRKERNSEC_PERF_HARDEN
68201 + bool "Disable unprivileged PERF_EVENTS usage by default"
68202 + default y if GRKERNSEC_CONFIG_AUTO
68203 + depends on PERF_EVENTS
68204 + help
68205 + If you say Y here, the range of acceptable values for the
68206 + /proc/sys/kernel/perf_event_paranoid sysctl will be expanded to allow and
68207 + default to a new value: 3. When the sysctl is set to this value, no
68208 + unprivileged use of the PERF_EVENTS syscall interface will be permitted.
68209 +
68210 + Though PERF_EVENTS can be used legitimately for performance monitoring
68211 + and low-level application profiling, it is forced on regardless of
68212 + configuration, has been at fault for several vulnerabilities, and
68213 + creates new opportunities for side channels and other information leaks.
68214 +
68215 + This feature puts PERF_EVENTS into a secure default state and permits
68216 + the administrator to change out of it temporarily if unprivileged
68217 + application profiling is needed.
68218 +
68219 +config GRKERNSEC_RAND_THREADSTACK
68220 + bool "Insert random gaps between thread stacks"
68221 + default y if GRKERNSEC_CONFIG_AUTO
68222 + depends on PAX_RANDMMAP && !PPC
68223 + help
68224 + If you say Y here, a random-sized gap will be enforced between allocated
68225 + thread stacks. Glibc's NPTL and other threading libraries that
68226 + pass MAP_STACK to the kernel for thread stack allocation are supported.
68227 + The implementation currently provides 8 bits of entropy for the gap.
68228 +
68229 + Many distributions do not compile threaded remote services with the
68230 + -fstack-check argument to GCC, causing the variable-sized stack-based
68231 + allocator, alloca(), to not probe the stack on allocation. This
68232 + permits an unbounded alloca() to skip over any guard page and potentially
68233 + modify another thread's stack reliably. An enforced random gap
68234 + reduces the reliability of such an attack and increases the chance
68235 + that such a read/write to another thread's stack instead lands in
68236 + an unmapped area, causing a crash and triggering grsecurity's
68237 + anti-bruteforcing logic.
68238 +
68239 +config GRKERNSEC_PROC_MEMMAP
68240 + bool "Harden ASLR against information leaks and entropy reduction"
68241 + default y if (GRKERNSEC_CONFIG_AUTO || PAX_NOEXEC || PAX_ASLR)
68242 + depends on PAX_NOEXEC || PAX_ASLR
68243 + help
68244 + If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will
68245 + give no information about the addresses of its mappings if
68246 + PaX features that rely on random addresses are enabled on the task.
68247 + In addition to sanitizing this information and disabling other
68248 + dangerous sources of information, this option causes reads of sensitive
68249 + /proc/<pid> entries where the file descriptor was opened in a different
68250 + task than the one performing the read. Such attempts are logged.
68251 + This option also limits argv/env strings for suid/sgid binaries
68252 + to 512KB to prevent a complete exhaustion of the stack entropy provided
68253 + by ASLR. Finally, it places an 8MB stack resource limit on suid/sgid
68254 + binaries to prevent alternative mmap layouts from being abused.
68255 +
68256 + If you use PaX it is essential that you say Y here as it closes up
68257 + several holes that make full ASLR useless locally.
68258 +
68259 +
68260 +config GRKERNSEC_KSTACKOVERFLOW
68261 + bool "Prevent kernel stack overflows"
68262 + default y if GRKERNSEC_CONFIG_AUTO
68263 + depends on !IA64 && 64BIT
68264 + help
68265 + If you say Y here, the kernel's process stacks will be allocated
68266 + with vmalloc instead of the kernel's default allocator. This
68267 + introduces guard pages that in combination with the alloca checking
68268 + of the STACKLEAK feature prevents all forms of kernel process stack
68269 + overflow abuse. Note that this is different from kernel stack
68270 + buffer overflows.
68271 +
68272 +config GRKERNSEC_BRUTE
68273 + bool "Deter exploit bruteforcing"
68274 + default y if GRKERNSEC_CONFIG_AUTO
68275 + help
68276 + If you say Y here, attempts to bruteforce exploits against forking
68277 + daemons such as apache or sshd, as well as against suid/sgid binaries
68278 + will be deterred. When a child of a forking daemon is killed by PaX
68279 + or crashes due to an illegal instruction or other suspicious signal,
68280 + the parent process will be delayed 30 seconds upon every subsequent
68281 + fork until the administrator is able to assess the situation and
68282 + restart the daemon.
68283 + In the suid/sgid case, the attempt is logged, the user has all their
68284 + existing instances of the suid/sgid binary terminated and will
68285 + be unable to execute any suid/sgid binaries for 15 minutes.
68286 +
68287 + It is recommended that you also enable signal logging in the auditing
68288 + section so that logs are generated when a process triggers a suspicious
68289 + signal.
68290 + If the sysctl option is enabled, a sysctl option with name
68291 + "deter_bruteforce" is created.
68292 +
68293 +config GRKERNSEC_MODHARDEN
68294 + bool "Harden module auto-loading"
68295 + default y if GRKERNSEC_CONFIG_AUTO
68296 + depends on MODULES
68297 + help
68298 + If you say Y here, module auto-loading in response to use of some
68299 + feature implemented by an unloaded module will be restricted to
68300 + root users. Enabling this option helps defend against attacks
68301 + by unprivileged users who abuse the auto-loading behavior to
68302 + cause a vulnerable module to load that is then exploited.
68303 +
68304 + If this option prevents a legitimate use of auto-loading for a
68305 + non-root user, the administrator can execute modprobe manually
68306 + with the exact name of the module mentioned in the alert log.
68307 + Alternatively, the administrator can add the module to the list
68308 + of modules loaded at boot by modifying init scripts.
68309 +
68310 + Modification of init scripts will most likely be needed on
68311 + Ubuntu servers with encrypted home directory support enabled,
68312 + as the first non-root user logging in will cause the ecb(aes),
68313 + ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded.
68314 +
68315 +config GRKERNSEC_HIDESYM
68316 + bool "Hide kernel symbols"
68317 + default y if GRKERNSEC_CONFIG_AUTO
68318 + select PAX_USERCOPY_SLABS
68319 + help
68320 + If you say Y here, getting information on loaded modules, and
68321 + displaying all kernel symbols through a syscall will be restricted
68322 + to users with CAP_SYS_MODULE. For software compatibility reasons,
68323 + /proc/kallsyms will be restricted to the root user. The RBAC
68324 + system can hide that entry even from root.
68325 +
68326 + This option also prevents leaking of kernel addresses through
68327 + several /proc entries.
68328 +
68329 + Note that this option is only effective provided the following
68330 + conditions are met:
68331 + 1) The kernel using grsecurity is not precompiled by some distribution
68332 + 2) You have also enabled GRKERNSEC_DMESG
68333 + 3) You are using the RBAC system and hiding other files such as your
68334 + kernel image and System.map. Alternatively, enabling this option
68335 + causes the permissions on /boot, /lib/modules, and the kernel
68336 + source directory to change at compile time to prevent
68337 + reading by non-root users.
68338 + If the above conditions are met, this option will aid in providing a
68339 + useful protection against local kernel exploitation of overflows
68340 + and arbitrary read/write vulnerabilities.
68341 +
68342 + It is highly recommended that you enable GRKERNSEC_PERF_HARDEN
68343 + in addition to this feature.
68344 +
68345 +config GRKERNSEC_RANDSTRUCT
68346 + bool "Randomize layout of sensitive kernel structures"
68347 + default y if GRKERNSEC_CONFIG_AUTO
68348 + select GRKERNSEC_HIDESYM
68349 + select MODVERSIONS if MODULES
68350 + help
68351 + If you say Y here, the layouts of a number of sensitive kernel
68352 + structures (task, fs, cred, etc) and all structures composed entirely
68353 + of function pointers (aka "ops" structs) will be randomized at compile-time.
68354 + This can introduce the requirement of an additional infoleak
68355 + vulnerability for exploits targeting these structure types.
68356 +
68357 + Enabling this feature will introduce some performance impact, slightly
68358 + increase memory usage, and prevent the use of forensic tools like
68359 + Volatility against the system (unless the kernel source tree isn't
68360 + cleaned after kernel installation).
68361 +
68362 + The seed used for compilation is located at tools/gcc/randomize_layout_seed.h.
68363 + It remains after a make clean to allow for external modules to be compiled
68364 + with the existing seed and will be removed by a make mrproper or
68365 + make distclean.
68366 +
68367 + Note that the implementation requires gcc 4.6.4. or newer. You may need
68368 + to install the supporting headers explicitly in addition to the normal
68369 + gcc package.
68370 +
68371 +config GRKERNSEC_RANDSTRUCT_PERFORMANCE
68372 + bool "Use cacheline-aware structure randomization"
68373 + depends on GRKERNSEC_RANDSTRUCT
68374 + default y if GRKERNSEC_CONFIG_PRIORITY_PERF
68375 + help
68376 + If you say Y here, the RANDSTRUCT randomization will make a best effort
68377 + at restricting randomization to cacheline-sized groups of elements. It
68378 + will further not randomize bitfields in structures. This reduces the
68379 + performance hit of RANDSTRUCT at the cost of weakened randomization.
68380 +
68381 +config GRKERNSEC_KERN_LOCKOUT
68382 + bool "Active kernel exploit response"
68383 + default y if GRKERNSEC_CONFIG_AUTO
68384 + depends on X86 || ARM || PPC || SPARC
68385 + help
68386 + If you say Y here, when a PaX alert is triggered due to suspicious
68387 + activity in the kernel (from KERNEXEC/UDEREF/USERCOPY)
68388 + or an OOPS occurs due to bad memory accesses, instead of just
68389 + terminating the offending process (and potentially allowing
68390 + a subsequent exploit from the same user), we will take one of two
68391 + actions:
68392 + If the user was root, we will panic the system
68393 + If the user was non-root, we will log the attempt, terminate
68394 + all processes owned by the user, then prevent them from creating
68395 + any new processes until the system is restarted
68396 + This deters repeated kernel exploitation/bruteforcing attempts
68397 + and is useful for later forensics.
68398 +
68399 +config GRKERNSEC_OLD_ARM_USERLAND
68400 + bool "Old ARM userland compatibility"
68401 + depends on ARM && (CPU_V6 || CPU_V6K || CPU_V7)
68402 + help
68403 + If you say Y here, stubs of executable code to perform such operations
68404 + as "compare-exchange" will be placed at fixed locations in the ARM vector
68405 + table. This is unfortunately needed for old ARM userland meant to run
68406 + across a wide range of processors. Without this option enabled,
68407 + the get_tls and data memory barrier stubs will be emulated by the kernel,
68408 + which is enough for Linaro userlands or other userlands designed for v6
68409 + and newer ARM CPUs. It's recommended that you try without this option enabled
68410 + first, and only enable it if your userland does not boot (it will likely fail
68411 + at init time).
68412 +
68413 +endmenu
68414 +menu "Role Based Access Control Options"
68415 +depends on GRKERNSEC
68416 +
68417 +config GRKERNSEC_RBAC_DEBUG
68418 + bool
68419 +
68420 +config GRKERNSEC_NO_RBAC
68421 + bool "Disable RBAC system"
68422 + help
68423 + If you say Y here, the /dev/grsec device will be removed from the kernel,
68424 + preventing the RBAC system from being enabled. You should only say Y
68425 + here if you have no intention of using the RBAC system, so as to prevent
68426 + an attacker with root access from misusing the RBAC system to hide files
68427 + and processes when loadable module support and /dev/[k]mem have been
68428 + locked down.
68429 +
68430 +config GRKERNSEC_ACL_HIDEKERN
68431 + bool "Hide kernel processes"
68432 + help
68433 + If you say Y here, all kernel threads will be hidden to all
68434 + processes but those whose subject has the "view hidden processes"
68435 + flag.
68436 +
68437 +config GRKERNSEC_ACL_MAXTRIES
68438 + int "Maximum tries before password lockout"
68439 + default 3
68440 + help
68441 + This option enforces the maximum number of times a user can attempt
68442 + to authorize themselves with the grsecurity RBAC system before being
68443 + denied the ability to attempt authorization again for a specified time.
68444 + The lower the number, the harder it will be to brute-force a password.
68445 +
68446 +config GRKERNSEC_ACL_TIMEOUT
68447 + int "Time to wait after max password tries, in seconds"
68448 + default 30
68449 + help
68450 + This option specifies the time the user must wait after attempting to
68451 + authorize to the RBAC system with the maximum number of invalid
68452 + passwords. The higher the number, the harder it will be to brute-force
68453 + a password.
68454 +
68455 +endmenu
68456 +menu "Filesystem Protections"
68457 +depends on GRKERNSEC
68458 +
68459 +config GRKERNSEC_PROC
68460 + bool "Proc restrictions"
68461 + default y if GRKERNSEC_CONFIG_AUTO
68462 + help
68463 + If you say Y here, the permissions of the /proc filesystem
68464 + will be altered to enhance system security and privacy. You MUST
68465 + choose either a user only restriction or a user and group restriction.
68466 + Depending upon the option you choose, you can either restrict users to
68467 + see only the processes they themselves run, or choose a group that can
68468 + view all processes and files normally restricted to root if you choose
68469 + the "restrict to user only" option. NOTE: If you're running identd or
68470 + ntpd as a non-root user, you will have to run it as the group you
68471 + specify here.
68472 +
68473 +config GRKERNSEC_PROC_USER
68474 + bool "Restrict /proc to user only"
68475 + depends on GRKERNSEC_PROC
68476 + help
68477 + If you say Y here, non-root users will only be able to view their own
68478 + processes, and restricts them from viewing network-related information,
68479 + and viewing kernel symbol and module information.
68480 +
68481 +config GRKERNSEC_PROC_USERGROUP
68482 + bool "Allow special group"
68483 + default y if GRKERNSEC_CONFIG_AUTO
68484 + depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER
68485 + help
68486 + If you say Y here, you will be able to select a group that will be
68487 + able to view all processes and network-related information. If you've
68488 + enabled GRKERNSEC_HIDESYM, kernel and symbol information may still
68489 + remain hidden. This option is useful if you want to run identd as
68490 + a non-root user. The group you select may also be chosen at boot time
68491 + via "grsec_proc_gid=" on the kernel commandline.
68492 +
68493 +config GRKERNSEC_PROC_GID
68494 + int "GID for special group"
68495 + depends on GRKERNSEC_PROC_USERGROUP
68496 + default 1001
68497 +
68498 +config GRKERNSEC_PROC_ADD
68499 + bool "Additional restrictions"
68500 + default y if GRKERNSEC_CONFIG_AUTO
68501 + depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP
68502 + help
68503 + If you say Y here, additional restrictions will be placed on
68504 + /proc that keep normal users from viewing device information and
68505 + slabinfo information that could be useful for exploits.
68506 +
68507 +config GRKERNSEC_LINK
68508 + bool "Linking restrictions"
68509 + default y if GRKERNSEC_CONFIG_AUTO
68510 + help
68511 + If you say Y here, /tmp race exploits will be prevented, since users
68512 + will no longer be able to follow symlinks owned by other users in
68513 + world-writable +t directories (e.g. /tmp), unless the owner of the
68514 + symlink is the owner of the directory. users will also not be
68515 + able to hardlink to files they do not own. If the sysctl option is
68516 + enabled, a sysctl option with name "linking_restrictions" is created.
68517 +
68518 +config GRKERNSEC_SYMLINKOWN
68519 + bool "Kernel-enforced SymlinksIfOwnerMatch"
68520 + default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
68521 + help
68522 + Apache's SymlinksIfOwnerMatch option has an inherent race condition
68523 + that prevents it from being used as a security feature. As Apache
68524 + verifies the symlink by performing a stat() against the target of
68525 + the symlink before it is followed, an attacker can setup a symlink
68526 + to point to a same-owned file, then replace the symlink with one
68527 + that targets another user's file just after Apache "validates" the
68528 + symlink -- a classic TOCTOU race. If you say Y here, a complete,
68529 + race-free replacement for Apache's "SymlinksIfOwnerMatch" option
68530 + will be in place for the group you specify. If the sysctl option
68531 + is enabled, a sysctl option with name "enforce_symlinksifowner" is
68532 + created.
68533 +
68534 +config GRKERNSEC_SYMLINKOWN_GID
68535 + int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
68536 + depends on GRKERNSEC_SYMLINKOWN
68537 + default 1006
68538 + help
68539 + Setting this GID determines what group kernel-enforced
68540 + SymlinksIfOwnerMatch will be enabled for. If the sysctl option
68541 + is enabled, a sysctl option with name "symlinkown_gid" is created.
68542 +
68543 +config GRKERNSEC_FIFO
68544 + bool "FIFO restrictions"
68545 + default y if GRKERNSEC_CONFIG_AUTO
68546 + help
68547 + If you say Y here, users will not be able to write to FIFOs they don't
68548 + own in world-writable +t directories (e.g. /tmp), unless the owner of
68549 + the FIFO is the same owner of the directory it's held in. If the sysctl
68550 + option is enabled, a sysctl option with name "fifo_restrictions" is
68551 + created.
68552 +
68553 +config GRKERNSEC_SYSFS_RESTRICT
68554 + bool "Sysfs/debugfs restriction"
68555 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER)
68556 + depends on SYSFS
68557 + help
68558 + If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and
68559 + any filesystem normally mounted under it (e.g. debugfs) will be
68560 + mostly accessible only by root. These filesystems generally provide access
68561 + to hardware and debug information that isn't appropriate for unprivileged
68562 + users of the system. Sysfs and debugfs have also become a large source
68563 + of new vulnerabilities, ranging from infoleaks to local compromise.
68564 + There has been very little oversight with an eye toward security involved
68565 + in adding new exporters of information to these filesystems, so their
68566 + use is discouraged.
68567 + For reasons of compatibility, a few directories have been whitelisted
68568 + for access by non-root users:
68569 + /sys/fs/selinux
68570 + /sys/fs/fuse
68571 + /sys/devices/system/cpu
68572 +
68573 +config GRKERNSEC_ROFS
68574 + bool "Runtime read-only mount protection"
68575 + depends on SYSCTL
68576 + help
68577 + If you say Y here, a sysctl option with name "romount_protect" will
68578 + be created. By setting this option to 1 at runtime, filesystems
68579 + will be protected in the following ways:
68580 + * No new writable mounts will be allowed
68581 + * Existing read-only mounts won't be able to be remounted read/write
68582 + * Write operations will be denied on all block devices
68583 + This option acts independently of grsec_lock: once it is set to 1,
68584 + it cannot be turned off. Therefore, please be mindful of the resulting
68585 + behavior if this option is enabled in an init script on a read-only
68586 + filesystem.
68587 + Also be aware that as with other root-focused features, GRKERNSEC_KMEM
68588 + and GRKERNSEC_IO should be enabled and module loading disabled via
68589 + config or at runtime.
68590 + This feature is mainly intended for secure embedded systems.
68591 +
68592 +
68593 +config GRKERNSEC_DEVICE_SIDECHANNEL
68594 + bool "Eliminate stat/notify-based device sidechannels"
68595 + default y if GRKERNSEC_CONFIG_AUTO
68596 + help
68597 + If you say Y here, timing analyses on block or character
68598 + devices like /dev/ptmx using stat or inotify/dnotify/fanotify
68599 + will be thwarted for unprivileged users. If a process without
68600 + CAP_MKNOD stats such a device, the last access and last modify times
68601 + will match the device's create time. No access or modify events
68602 + will be triggered through inotify/dnotify/fanotify for such devices.
68603 + This feature will prevent attacks that may at a minimum
68604 + allow an attacker to determine the administrator's password length.
68605 +
68606 +config GRKERNSEC_CHROOT
68607 + bool "Chroot jail restrictions"
68608 + default y if GRKERNSEC_CONFIG_AUTO
68609 + help
68610 + If you say Y here, you will be able to choose several options that will
68611 + make breaking out of a chrooted jail much more difficult. If you
68612 + encounter no software incompatibilities with the following options, it
68613 + is recommended that you enable each one.
68614 +
68615 + Note that the chroot restrictions are not intended to apply to "chroots"
68616 + to directories that are simple bind mounts of the global root filesystem.
68617 + For several other reasons, a user shouldn't expect any significant
68618 + security by performing such a chroot.
68619 +
68620 +config GRKERNSEC_CHROOT_MOUNT
68621 + bool "Deny mounts"
68622 + default y if GRKERNSEC_CONFIG_AUTO
68623 + depends on GRKERNSEC_CHROOT
68624 + help
68625 + If you say Y here, processes inside a chroot will not be able to
68626 + mount or remount filesystems. If the sysctl option is enabled, a
68627 + sysctl option with name "chroot_deny_mount" is created.
68628 +
68629 +config GRKERNSEC_CHROOT_DOUBLE
68630 + bool "Deny double-chroots"
68631 + default y if GRKERNSEC_CONFIG_AUTO
68632 + depends on GRKERNSEC_CHROOT
68633 + help
68634 + If you say Y here, processes inside a chroot will not be able to chroot
68635 + again outside the chroot. This is a widely used method of breaking
68636 + out of a chroot jail and should not be allowed. If the sysctl
68637 + option is enabled, a sysctl option with name
68638 + "chroot_deny_chroot" is created.
68639 +
68640 +config GRKERNSEC_CHROOT_PIVOT
68641 + bool "Deny pivot_root in chroot"
68642 + default y if GRKERNSEC_CONFIG_AUTO
68643 + depends on GRKERNSEC_CHROOT
68644 + help
68645 + If you say Y here, processes inside a chroot will not be able to use
68646 + a function called pivot_root() that was introduced in Linux 2.3.41. It
68647 + works similar to chroot in that it changes the root filesystem. This
68648 + function could be misused in a chrooted process to attempt to break out
68649 + of the chroot, and therefore should not be allowed. If the sysctl
68650 + option is enabled, a sysctl option with name "chroot_deny_pivot" is
68651 + created.
68652 +
68653 +config GRKERNSEC_CHROOT_CHDIR
68654 + bool "Enforce chdir(\"/\") on all chroots"
68655 + default y if GRKERNSEC_CONFIG_AUTO
68656 + depends on GRKERNSEC_CHROOT
68657 + help
68658 + If you say Y here, the current working directory of all newly-chrooted
68659 + applications will be set to the the root directory of the chroot.
68660 + The man page on chroot(2) states:
68661 + Note that this call does not change the current working
68662 + directory, so that `.' can be outside the tree rooted at
68663 + `/'. In particular, the super-user can escape from a
68664 + `chroot jail' by doing `mkdir foo; chroot foo; cd ..'.
68665 +
68666 + It is recommended that you say Y here, since it's not known to break
68667 + any software. If the sysctl option is enabled, a sysctl option with
68668 + name "chroot_enforce_chdir" is created.
68669 +
68670 +config GRKERNSEC_CHROOT_CHMOD
68671 + bool "Deny (f)chmod +s"
68672 + default y if GRKERNSEC_CONFIG_AUTO
68673 + depends on GRKERNSEC_CHROOT
68674 + help
68675 + If you say Y here, processes inside a chroot will not be able to chmod
68676 + or fchmod files to make them have suid or sgid bits. This protects
68677 + against another published method of breaking a chroot. If the sysctl
68678 + option is enabled, a sysctl option with name "chroot_deny_chmod" is
68679 + created.
68680 +
68681 +config GRKERNSEC_CHROOT_FCHDIR
68682 + bool "Deny fchdir and fhandle out of chroot"
68683 + default y if GRKERNSEC_CONFIG_AUTO
68684 + depends on GRKERNSEC_CHROOT
68685 + help
68686 + If you say Y here, a well-known method of breaking chroots by fchdir'ing
68687 + to a file descriptor of the chrooting process that points to a directory
68688 + outside the filesystem will be stopped. Additionally, this option prevents
68689 + use of the recently-created syscall for opening files by a guessable "file
68690 + handle" inside a chroot. If the sysctl option is enabled, a sysctl option
68691 + with name "chroot_deny_fchdir" is created.
68692 +
68693 +config GRKERNSEC_CHROOT_MKNOD
68694 + bool "Deny mknod"
68695 + default y if GRKERNSEC_CONFIG_AUTO
68696 + depends on GRKERNSEC_CHROOT
68697 + help
68698 + If you say Y here, processes inside a chroot will not be allowed to
68699 + mknod. The problem with using mknod inside a chroot is that it
68700 + would allow an attacker to create a device entry that is the same
68701 + as one on the physical root of your system, which could range from
68702 + anything from the console device to a device for your harddrive (which
68703 + they could then use to wipe the drive or steal data). It is recommended
68704 + that you say Y here, unless you run into software incompatibilities.
68705 + If the sysctl option is enabled, a sysctl option with name
68706 + "chroot_deny_mknod" is created.
68707 +
68708 +config GRKERNSEC_CHROOT_SHMAT
68709 + bool "Deny shmat() out of chroot"
68710 + default y if GRKERNSEC_CONFIG_AUTO
68711 + depends on GRKERNSEC_CHROOT
68712 + help
68713 + If you say Y here, processes inside a chroot will not be able to attach
68714 + to shared memory segments that were created outside of the chroot jail.
68715 + It is recommended that you say Y here. If the sysctl option is enabled,
68716 + a sysctl option with name "chroot_deny_shmat" is created.
68717 +
68718 +config GRKERNSEC_CHROOT_UNIX
68719 + bool "Deny access to abstract AF_UNIX sockets out of chroot"
68720 + default y if GRKERNSEC_CONFIG_AUTO
68721 + depends on GRKERNSEC_CHROOT
68722 + help
68723 + If you say Y here, processes inside a chroot will not be able to
68724 + connect to abstract (meaning not belonging to a filesystem) Unix
68725 + domain sockets that were bound outside of a chroot. It is recommended
68726 + that you say Y here. If the sysctl option is enabled, a sysctl option
68727 + with name "chroot_deny_unix" is created.
68728 +
68729 +config GRKERNSEC_CHROOT_FINDTASK
68730 + bool "Protect outside processes"
68731 + default y if GRKERNSEC_CONFIG_AUTO
68732 + depends on GRKERNSEC_CHROOT
68733 + help
68734 + If you say Y here, processes inside a chroot will not be able to
68735 + kill, send signals with fcntl, ptrace, capget, getpgid, setpgid,
68736 + getsid, or view any process outside of the chroot. If the sysctl
68737 + option is enabled, a sysctl option with name "chroot_findtask" is
68738 + created.
68739 +
68740 +config GRKERNSEC_CHROOT_NICE
68741 + bool "Restrict priority changes"
68742 + default y if GRKERNSEC_CONFIG_AUTO
68743 + depends on GRKERNSEC_CHROOT
68744 + help
68745 + If you say Y here, processes inside a chroot will not be able to raise
68746 + the priority of processes in the chroot, or alter the priority of
68747 + processes outside the chroot. This provides more security than simply
68748 + removing CAP_SYS_NICE from the process' capability set. If the
68749 + sysctl option is enabled, a sysctl option with name "chroot_restrict_nice"
68750 + is created.
68751 +
68752 +config GRKERNSEC_CHROOT_SYSCTL
68753 + bool "Deny sysctl writes"
68754 + default y if GRKERNSEC_CONFIG_AUTO
68755 + depends on GRKERNSEC_CHROOT
68756 + help
68757 + If you say Y here, an attacker in a chroot will not be able to
68758 + write to sysctl entries, either by sysctl(2) or through a /proc
68759 + interface. It is strongly recommended that you say Y here. If the
68760 + sysctl option is enabled, a sysctl option with name
68761 + "chroot_deny_sysctl" is created.
68762 +
68763 +config GRKERNSEC_CHROOT_RENAME
68764 + bool "Deny bad renames"
68765 + default y if GRKERNSEC_CONFIG_AUTO
68766 + depends on GRKERNSEC_CHROOT
68767 + help
68768 + If you say Y here, an attacker in a chroot will not be able to
68769 + abuse the ability to create double chroots to break out of the
68770 + chroot by exploiting a race condition between a rename of a directory
68771 + within a chroot against an open of a symlink with relative path
68772 + components. This feature will likewise prevent an accomplice outside
68773 + a chroot from enabling a user inside the chroot to break out and make
68774 + use of their credentials on the global filesystem. Enabling this
68775 + feature is essential to prevent root users from breaking out of a
68776 + chroot. If the sysctl option is enabled, a sysctl option with name
68777 + "chroot_deny_bad_rename" is created.
68778 +
68779 +config GRKERNSEC_CHROOT_CAPS
68780 + bool "Capability restrictions"
68781 + default y if GRKERNSEC_CONFIG_AUTO
68782 + depends on GRKERNSEC_CHROOT
68783 + help
68784 + If you say Y here, the capabilities on all processes within a
68785 + chroot jail will be lowered to stop module insertion, raw i/o,
68786 + system and net admin tasks, rebooting the system, modifying immutable
68787 + files, modifying IPC owned by another, and changing the system time.
68788 + This is left an option because it can break some apps. Disable this
68789 + if your chrooted apps are having problems performing those kinds of
68790 + tasks. If the sysctl option is enabled, a sysctl option with
68791 + name "chroot_caps" is created.
68792 +
68793 +config GRKERNSEC_CHROOT_INITRD
68794 + bool "Exempt initrd tasks from restrictions"
68795 + default y if GRKERNSEC_CONFIG_AUTO
68796 + depends on GRKERNSEC_CHROOT && BLK_DEV_INITRD
68797 + help
68798 + If you say Y here, tasks started prior to init will be exempted from
68799 + grsecurity's chroot restrictions. This option is mainly meant to
68800 + resolve Plymouth's performing privileged operations unnecessarily
68801 + in a chroot.
68802 +
68803 +endmenu
68804 +menu "Kernel Auditing"
68805 +depends on GRKERNSEC
68806 +
68807 +config GRKERNSEC_AUDIT_GROUP
68808 + bool "Single group for auditing"
68809 + help
68810 + If you say Y here, the exec and chdir logging features will only operate
68811 + on a group you specify. This option is recommended if you only want to
68812 + watch certain users instead of having a large amount of logs from the
68813 + entire system. If the sysctl option is enabled, a sysctl option with
68814 + name "audit_group" is created.
68815 +
68816 +config GRKERNSEC_AUDIT_GID
68817 + int "GID for auditing"
68818 + depends on GRKERNSEC_AUDIT_GROUP
68819 + default 1007
68820 +
68821 +config GRKERNSEC_EXECLOG
68822 + bool "Exec logging"
68823 + help
68824 + If you say Y here, all execve() calls will be logged (since the
68825 + other exec*() calls are frontends to execve(), all execution
68826 + will be logged). Useful for shell-servers that like to keep track
68827 + of their users. If the sysctl option is enabled, a sysctl option with
68828 + name "exec_logging" is created.
68829 + WARNING: This option when enabled will produce a LOT of logs, especially
68830 + on an active system.
68831 +
68832 +config GRKERNSEC_RESLOG
68833 + bool "Resource logging"
68834 + default y if GRKERNSEC_CONFIG_AUTO
68835 + help
68836 + If you say Y here, all attempts to overstep resource limits will
68837 + be logged with the resource name, the requested size, and the current
68838 + limit. It is highly recommended that you say Y here. If the sysctl
68839 + option is enabled, a sysctl option with name "resource_logging" is
68840 + created. If the RBAC system is enabled, the sysctl value is ignored.
68841 +
68842 +config GRKERNSEC_CHROOT_EXECLOG
68843 + bool "Log execs within chroot"
68844 + help
68845 + If you say Y here, all executions inside a chroot jail will be logged
68846 + to syslog. This can cause a large amount of logs if certain
68847 + applications (eg. djb's daemontools) are installed on the system, and
68848 + is therefore left as an option. If the sysctl option is enabled, a
68849 + sysctl option with name "chroot_execlog" is created.
68850 +
68851 +config GRKERNSEC_AUDIT_PTRACE
68852 + bool "Ptrace logging"
68853 + help
68854 + If you say Y here, all attempts to attach to a process via ptrace
68855 + will be logged. If the sysctl option is enabled, a sysctl option
68856 + with name "audit_ptrace" is created.
68857 +
68858 +config GRKERNSEC_AUDIT_CHDIR
68859 + bool "Chdir logging"
68860 + help
68861 + If you say Y here, all chdir() calls will be logged. If the sysctl
68862 + option is enabled, a sysctl option with name "audit_chdir" is created.
68863 +
68864 +config GRKERNSEC_AUDIT_MOUNT
68865 + bool "(Un)Mount logging"
68866 + help
68867 + If you say Y here, all mounts and unmounts will be logged. If the
68868 + sysctl option is enabled, a sysctl option with name "audit_mount" is
68869 + created.
68870 +
68871 +config GRKERNSEC_SIGNAL
68872 + bool "Signal logging"
68873 + default y if GRKERNSEC_CONFIG_AUTO
68874 + help
68875 + If you say Y here, certain important signals will be logged, such as
68876 + SIGSEGV, which will as a result inform you of when a error in a program
68877 + occurred, which in some cases could mean a possible exploit attempt.
68878 + If the sysctl option is enabled, a sysctl option with name
68879 + "signal_logging" is created.
68880 +
68881 +config GRKERNSEC_FORKFAIL
68882 + bool "Fork failure logging"
68883 + help
68884 + If you say Y here, all failed fork() attempts will be logged.
68885 + This could suggest a fork bomb, or someone attempting to overstep
68886 + their process limit. If the sysctl option is enabled, a sysctl option
68887 + with name "forkfail_logging" is created.
68888 +
68889 +config GRKERNSEC_TIME
68890 + bool "Time change logging"
68891 + default y if GRKERNSEC_CONFIG_AUTO
68892 + help
68893 + If you say Y here, any changes of the system clock will be logged.
68894 + If the sysctl option is enabled, a sysctl option with name
68895 + "timechange_logging" is created.
68896 +
68897 +config GRKERNSEC_PROC_IPADDR
68898 + bool "/proc/<pid>/ipaddr support"
68899 + default y if GRKERNSEC_CONFIG_AUTO
68900 + help
68901 + If you say Y here, a new entry will be added to each /proc/<pid>
68902 + directory that contains the IP address of the person using the task.
68903 + The IP is carried across local TCP and AF_UNIX stream sockets.
68904 + This information can be useful for IDS/IPSes to perform remote response
68905 + to a local attack. The entry is readable by only the owner of the
68906 + process (and root if he has CAP_DAC_OVERRIDE, which can be removed via
68907 + the RBAC system), and thus does not create privacy concerns.
68908 +
68909 +config GRKERNSEC_RWXMAP_LOG
68910 + bool 'Denied RWX mmap/mprotect logging'
68911 + default y if GRKERNSEC_CONFIG_AUTO
68912 + depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT
68913 + help
68914 + If you say Y here, calls to mmap() and mprotect() with explicit
68915 + usage of PROT_WRITE and PROT_EXEC together will be logged when
68916 + denied by the PAX_MPROTECT feature. This feature will also
68917 + log other problematic scenarios that can occur when PAX_MPROTECT
68918 + is enabled on a binary, like textrels and PT_GNU_STACK. If the
68919 + sysctl option is enabled, a sysctl option with name "rwxmap_logging"
68920 + is created.
68921 +
68922 +endmenu
68923 +
68924 +menu "Executable Protections"
68925 +depends on GRKERNSEC
68926 +
68927 +config GRKERNSEC_DMESG
68928 + bool "Dmesg(8) restriction"
68929 + default y if GRKERNSEC_CONFIG_AUTO
68930 + help
68931 + If you say Y here, non-root users will not be able to use dmesg(8)
68932 + to view the contents of the kernel's circular log buffer.
68933 + The kernel's log buffer often contains kernel addresses and other
68934 + identifying information useful to an attacker in fingerprinting a
68935 + system for a targeted exploit.
68936 + If the sysctl option is enabled, a sysctl option with name "dmesg" is
68937 + created.
68938 +
68939 +config GRKERNSEC_HARDEN_PTRACE
68940 + bool "Deter ptrace-based process snooping"
68941 + default y if GRKERNSEC_CONFIG_AUTO
68942 + help
68943 + If you say Y here, TTY sniffers and other malicious monitoring
68944 + programs implemented through ptrace will be defeated. If you
68945 + have been using the RBAC system, this option has already been
68946 + enabled for several years for all users, with the ability to make
68947 + fine-grained exceptions.
68948 +
68949 + This option only affects the ability of non-root users to ptrace
68950 + processes that are not a descendent of the ptracing process.
68951 + This means that strace ./binary and gdb ./binary will still work,
68952 + but attaching to arbitrary processes will not. If the sysctl
68953 + option is enabled, a sysctl option with name "harden_ptrace" is
68954 + created.
68955 +
68956 +config GRKERNSEC_PTRACE_READEXEC
68957 + bool "Require read access to ptrace sensitive binaries"
68958 + default y if GRKERNSEC_CONFIG_AUTO
68959 + help
68960 + If you say Y here, unprivileged users will not be able to ptrace unreadable
68961 + binaries. This option is useful in environments that
68962 + remove the read bits (e.g. file mode 4711) from suid binaries to
68963 + prevent infoleaking of their contents. This option adds
68964 + consistency to the use of that file mode, as the binary could normally
68965 + be read out when run without privileges while ptracing.
68966 +
68967 + If the sysctl option is enabled, a sysctl option with name "ptrace_readexec"
68968 + is created.
68969 +
68970 +config GRKERNSEC_SETXID
68971 + bool "Enforce consistent multithreaded privileges"
68972 + default y if GRKERNSEC_CONFIG_AUTO
68973 + depends on (X86 || SPARC64 || PPC || ARM || MIPS)
68974 + help
68975 + If you say Y here, a change from a root uid to a non-root uid
68976 + in a multithreaded application will cause the resulting uids,
68977 + gids, supplementary groups, and capabilities in that thread
68978 + to be propagated to the other threads of the process. In most
68979 + cases this is unnecessary, as glibc will emulate this behavior
68980 + on behalf of the application. Other libcs do not act in the
68981 + same way, allowing the other threads of the process to continue
68982 + running with root privileges. If the sysctl option is enabled,
68983 + a sysctl option with name "consistent_setxid" is created.
68984 +
68985 +config GRKERNSEC_HARDEN_IPC
68986 + bool "Disallow access to overly-permissive IPC objects"
68987 + default y if GRKERNSEC_CONFIG_AUTO
68988 + depends on SYSVIPC
68989 + help
68990 + If you say Y here, access to overly-permissive IPC objects (shared
68991 + memory, message queues, and semaphores) will be denied for processes
68992 + given the following criteria beyond normal permission checks:
68993 + 1) If the IPC object is world-accessible and the euid doesn't match
68994 + that of the creator or current uid for the IPC object
68995 + 2) If the IPC object is group-accessible and the egid doesn't
68996 + match that of the creator or current gid for the IPC object
68997 + It's a common error to grant too much permission to these objects,
68998 + with impact ranging from denial of service and information leaking to
68999 + privilege escalation. This feature was developed in response to
69000 + research by Tim Brown:
69001 + http://labs.portcullis.co.uk/whitepapers/memory-squatting-attacks-on-system-v-shared-memory/
69002 + who found hundreds of such insecure usages. Processes with
69003 + CAP_IPC_OWNER are still permitted to access these IPC objects.
69004 + If the sysctl option is enabled, a sysctl option with name
69005 + "harden_ipc" is created.
69006 +
69007 +config GRKERNSEC_TPE
69008 + bool "Trusted Path Execution (TPE)"
69009 + default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER
69010 + help
69011 + If you say Y here, you will be able to choose a gid to add to the
69012 + supplementary groups of users you want to mark as "untrusted."
69013 + These users will not be able to execute any files that are not in
69014 + root-owned directories writable only by root. If the sysctl option
69015 + is enabled, a sysctl option with name "tpe" is created.
69016 +
69017 +config GRKERNSEC_TPE_ALL
69018 + bool "Partially restrict all non-root users"
69019 + depends on GRKERNSEC_TPE
69020 + help
69021 + If you say Y here, all non-root users will be covered under
69022 + a weaker TPE restriction. This is separate from, and in addition to,
69023 + the main TPE options that you have selected elsewhere. Thus, if a
69024 + "trusted" GID is chosen, this restriction applies to even that GID.
69025 + Under this restriction, all non-root users will only be allowed to
69026 + execute files in directories they own that are not group or
69027 + world-writable, or in directories owned by root and writable only by
69028 + root. If the sysctl option is enabled, a sysctl option with name
69029 + "tpe_restrict_all" is created.
69030 +
69031 +config GRKERNSEC_TPE_INVERT
69032 + bool "Invert GID option"
69033 + depends on GRKERNSEC_TPE
69034 + help
69035 + If you say Y here, the group you specify in the TPE configuration will
69036 + decide what group TPE restrictions will be *disabled* for. This
69037 + option is useful if you want TPE restrictions to be applied to most
69038 + users on the system. If the sysctl option is enabled, a sysctl option
69039 + with name "tpe_invert" is created. Unlike other sysctl options, this
69040 + entry will default to on for backward-compatibility.
69041 +
69042 +config GRKERNSEC_TPE_GID
69043 + int
69044 + default GRKERNSEC_TPE_UNTRUSTED_GID if (GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT)
69045 + default GRKERNSEC_TPE_TRUSTED_GID if (GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT)
69046 +
69047 +config GRKERNSEC_TPE_UNTRUSTED_GID
69048 + int "GID for TPE-untrusted users"
69049 + depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT
69050 + default 1005
69051 + help
69052 + Setting this GID determines what group TPE restrictions will be
69053 + *enabled* for. If the sysctl option is enabled, a sysctl option
69054 + with name "tpe_gid" is created.
69055 +
69056 +config GRKERNSEC_TPE_TRUSTED_GID
69057 + int "GID for TPE-trusted users"
69058 + depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT
69059 + default 1005
69060 + help
69061 + Setting this GID determines what group TPE restrictions will be
69062 + *disabled* for. If the sysctl option is enabled, a sysctl option
69063 + with name "tpe_gid" is created.
69064 +
69065 +endmenu
69066 +menu "Network Protections"
69067 +depends on GRKERNSEC
69068 +
69069 +config GRKERNSEC_BLACKHOLE
69070 + bool "TCP/UDP blackhole and LAST_ACK DoS prevention"
69071 + default y if GRKERNSEC_CONFIG_AUTO
69072 + depends on NET
69073 + help
69074 + If you say Y here, neither TCP resets nor ICMP
69075 + destination-unreachable packets will be sent in response to packets
69076 + sent to ports for which no associated listening process exists.
69077 + It will also prevent the sending of ICMP protocol unreachable packets
69078 + in response to packets with unknown protocols.
69079 + This feature supports both IPV4 and IPV6 and exempts the
69080 + loopback interface from blackholing. Enabling this feature
69081 + makes a host more resilient to DoS attacks and reduces network
69082 + visibility against scanners.
69083 +
69084 + The blackhole feature as-implemented is equivalent to the FreeBSD
69085 + blackhole feature, as it prevents RST responses to all packets, not
69086 + just SYNs. Under most application behavior this causes no
69087 + problems, but applications (like haproxy) may not close certain
69088 + connections in a way that cleanly terminates them on the remote
69089 + end, leaving the remote host in LAST_ACK state. Because of this
69090 + side-effect and to prevent intentional LAST_ACK DoSes, this
69091 + feature also adds automatic mitigation against such attacks.
69092 + The mitigation drastically reduces the amount of time a socket
69093 + can spend in LAST_ACK state. If you're using haproxy and not
69094 + all servers it connects to have this option enabled, consider
69095 + disabling this feature on the haproxy host.
69096 +
69097 + If the sysctl option is enabled, two sysctl options with names
69098 + "ip_blackhole" and "lastack_retries" will be created.
69099 + While "ip_blackhole" takes the standard zero/non-zero on/off
69100 + toggle, "lastack_retries" uses the same kinds of values as
69101 + "tcp_retries1" and "tcp_retries2". The default value of 4
69102 + prevents a socket from lasting more than 45 seconds in LAST_ACK
69103 + state.
69104 +
69105 +config GRKERNSEC_NO_SIMULT_CONNECT
69106 + bool "Disable TCP Simultaneous Connect"
69107 + default y if GRKERNSEC_CONFIG_AUTO
69108 + depends on NET
69109 + help
69110 + If you say Y here, a feature by Willy Tarreau will be enabled that
69111 + removes a weakness in Linux's strict implementation of TCP that
69112 + allows two clients to connect to each other without either entering
69113 + a listening state. The weakness allows an attacker to easily prevent
69114 + a client from connecting to a known server provided the source port
69115 + for the connection is guessed correctly.
69116 +
69117 + As the weakness could be used to prevent an antivirus or IPS from
69118 + fetching updates, or prevent an SSL gateway from fetching a CRL,
69119 + it should be eliminated by enabling this option. Though Linux is
69120 + one of few operating systems supporting simultaneous connect, it
69121 + has no legitimate use in practice and is rarely supported by firewalls.
69122 +
69123 +config GRKERNSEC_SOCKET
69124 + bool "Socket restrictions"
69125 + depends on NET
69126 + help
69127 + If you say Y here, you will be able to choose from several options.
69128 + If you assign a GID on your system and add it to the supplementary
69129 + groups of users you want to restrict socket access to, this patch
69130 + will perform up to three things, based on the option(s) you choose.
69131 +
69132 +config GRKERNSEC_SOCKET_ALL
69133 + bool "Deny any sockets to group"
69134 + depends on GRKERNSEC_SOCKET
69135 + help
69136 + If you say Y here, you will be able to choose a GID of whose users will
69137 + be unable to connect to other hosts from your machine or run server
69138 + applications from your machine. If the sysctl option is enabled, a
69139 + sysctl option with name "socket_all" is created.
69140 +
69141 +config GRKERNSEC_SOCKET_ALL_GID
69142 + int "GID to deny all sockets for"
69143 + depends on GRKERNSEC_SOCKET_ALL
69144 + default 1004
69145 + help
69146 + Here you can choose the GID to disable socket access for. Remember to
69147 + add the users you want socket access disabled for to the GID
69148 + specified here. If the sysctl option is enabled, a sysctl option
69149 + with name "socket_all_gid" is created.
69150 +
69151 +config GRKERNSEC_SOCKET_CLIENT
69152 + bool "Deny client sockets to group"
69153 + depends on GRKERNSEC_SOCKET
69154 + help
69155 + If you say Y here, you will be able to choose a GID of whose users will
69156 + be unable to connect to other hosts from your machine, but will be
69157 + able to run servers. If this option is enabled, all users in the group
69158 + you specify will have to use passive mode when initiating ftp transfers
69159 + from the shell on your machine. If the sysctl option is enabled, a
69160 + sysctl option with name "socket_client" is created.
69161 +
69162 +config GRKERNSEC_SOCKET_CLIENT_GID
69163 + int "GID to deny client sockets for"
69164 + depends on GRKERNSEC_SOCKET_CLIENT
69165 + default 1003
69166 + help
69167 + Here you can choose the GID to disable client socket access for.
69168 + Remember to add the users you want client socket access disabled for to
69169 + the GID specified here. If the sysctl option is enabled, a sysctl
69170 + option with name "socket_client_gid" is created.
69171 +
69172 +config GRKERNSEC_SOCKET_SERVER
69173 + bool "Deny server sockets to group"
69174 + depends on GRKERNSEC_SOCKET
69175 + help
69176 + If you say Y here, you will be able to choose a GID of whose users will
69177 + be unable to run server applications from your machine. If the sysctl
69178 + option is enabled, a sysctl option with name "socket_server" is created.
69179 +
69180 +config GRKERNSEC_SOCKET_SERVER_GID
69181 + int "GID to deny server sockets for"
69182 + depends on GRKERNSEC_SOCKET_SERVER
69183 + default 1002
69184 + help
69185 + Here you can choose the GID to disable server socket access for.
69186 + Remember to add the users you want server socket access disabled for to
69187 + the GID specified here. If the sysctl option is enabled, a sysctl
69188 + option with name "socket_server_gid" is created.
69189 +
69190 +endmenu
69191 +
69192 +menu "Physical Protections"
69193 +depends on GRKERNSEC
69194 +
69195 +config GRKERNSEC_DENYUSB
69196 + bool "Deny new USB connections after toggle"
69197 + default y if GRKERNSEC_CONFIG_AUTO
69198 + depends on SYSCTL && USB_SUPPORT
69199 + help
69200 + If you say Y here, a new sysctl option with name "deny_new_usb"
69201 + will be created. Setting its value to 1 will prevent any new
69202 + USB devices from being recognized by the OS. Any attempted USB
69203 + device insertion will be logged. This option is intended to be
69204 + used against custom USB devices designed to exploit vulnerabilities
69205 + in various USB device drivers.
69206 +
69207 + For greatest effectiveness, this sysctl should be set after any
69208 + relevant init scripts. This option is safe to enable in distros
69209 + as each user can choose whether or not to toggle the sysctl.
69210 +
69211 +config GRKERNSEC_DENYUSB_FORCE
69212 + bool "Reject all USB devices not connected at boot"
69213 + select USB
69214 + depends on GRKERNSEC_DENYUSB
69215 + help
69216 + If you say Y here, a variant of GRKERNSEC_DENYUSB will be enabled
69217 + that doesn't involve a sysctl entry. This option should only be
69218 + enabled if you're sure you want to deny all new USB connections
69219 + at runtime and don't want to modify init scripts. This should not
69220 + be enabled by distros. It forces the core USB code to be built
69221 + into the kernel image so that all devices connected at boot time
69222 + can be recognized and new USB device connections can be prevented
69223 + prior to init running.
69224 +
69225 +endmenu
69226 +
69227 +menu "Sysctl Support"
69228 +depends on GRKERNSEC && SYSCTL
69229 +
69230 +config GRKERNSEC_SYSCTL
69231 + bool "Sysctl support"
69232 + default y if GRKERNSEC_CONFIG_AUTO
69233 + help
69234 + If you say Y here, you will be able to change the options that
69235 + grsecurity runs with at bootup, without having to recompile your
69236 + kernel. You can echo values to files in /proc/sys/kernel/grsecurity
69237 + to enable (1) or disable (0) various features. All the sysctl entries
69238 + are mutable until the "grsec_lock" entry is set to a non-zero value.
69239 + All features enabled in the kernel configuration are disabled at boot
69240 + if you do not say Y to the "Turn on features by default" option.
69241 + All options should be set at startup, and the grsec_lock entry should
69242 + be set to a non-zero value after all the options are set.
69243 + *THIS IS EXTREMELY IMPORTANT*
69244 +
69245 +config GRKERNSEC_SYSCTL_DISTRO
69246 + bool "Extra sysctl support for distro makers (READ HELP)"
69247 + depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO
69248 + help
69249 + If you say Y here, additional sysctl options will be created
69250 + for features that affect processes running as root. Therefore,
69251 + it is critical when using this option that the grsec_lock entry be
69252 + enabled after boot. Only distros with prebuilt kernel packages
69253 + with this option enabled that can ensure grsec_lock is enabled
69254 + after boot should use this option.
69255 + *Failure to set grsec_lock after boot makes all grsec features
69256 + this option covers useless*
69257 +
69258 + Currently this option creates the following sysctl entries:
69259 + "Disable Privileged I/O": "disable_priv_io"
69260 +
69261 +config GRKERNSEC_SYSCTL_ON
69262 + bool "Turn on features by default"
69263 + default y if GRKERNSEC_CONFIG_AUTO
69264 + depends on GRKERNSEC_SYSCTL
69265 + help
69266 + If you say Y here, instead of having all features enabled in the
69267 + kernel configuration disabled at boot time, the features will be
69268 + enabled at boot time. It is recommended you say Y here unless
69269 + there is some reason you would want all sysctl-tunable features to
69270 + be disabled by default. As mentioned elsewhere, it is important
69271 + to enable the grsec_lock entry once you have finished modifying
69272 + the sysctl entries.
69273 +
69274 +endmenu
69275 +menu "Logging Options"
69276 +depends on GRKERNSEC
69277 +
69278 +config GRKERNSEC_FLOODTIME
69279 + int "Seconds in between log messages (minimum)"
69280 + default 10
69281 + help
69282 + This option allows you to enforce the number of seconds between
69283 + grsecurity log messages. The default should be suitable for most
69284 + people, however, if you choose to change it, choose a value small enough
69285 + to allow informative logs to be produced, but large enough to
69286 + prevent flooding.
69287 +
69288 + Setting both this value and GRKERNSEC_FLOODBURST to 0 will disable
69289 + any rate limiting on grsecurity log messages.
69290 +
69291 +config GRKERNSEC_FLOODBURST
69292 + int "Number of messages in a burst (maximum)"
69293 + default 6
69294 + help
69295 + This option allows you to choose the maximum number of messages allowed
69296 + within the flood time interval you chose in a separate option. The
69297 + default should be suitable for most people, however if you find that
69298 + many of your logs are being interpreted as flooding, you may want to
69299 + raise this value.
69300 +
69301 + Setting both this value and GRKERNSEC_FLOODTIME to 0 will disable
69302 + any rate limiting on grsecurity log messages.
69303 +
69304 +endmenu
69305 diff --git a/grsecurity/Makefile b/grsecurity/Makefile
69306 new file mode 100644
69307 index 0000000..30ababb
69308 --- /dev/null
69309 +++ b/grsecurity/Makefile
69310 @@ -0,0 +1,54 @@
69311 +# grsecurity – access control and security hardening for Linux
69312 +# All code in this directory and various hooks located throughout the Linux kernel are
69313 +# Copyright (C) 2001-2014 Bradley Spengler, Open Source Security, Inc.
69314 +# http://www.grsecurity.net spender@grsecurity.net
69315 +#
69316 +# This program is free software; you can redistribute it and/or
69317 +# modify it under the terms of the GNU General Public License version 2
69318 +# as published by the Free Software Foundation.
69319 +#
69320 +# This program is distributed in the hope that it will be useful,
69321 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
69322 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
69323 +# GNU General Public License for more details.
69324 +#
69325 +# You should have received a copy of the GNU General Public License
69326 +# along with this program; if not, write to the Free Software
69327 +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
69328 +
69329 +KBUILD_CFLAGS += -Werror
69330 +
69331 +obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \
69332 + grsec_mount.o grsec_sig.o grsec_sysctl.o \
69333 + grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o \
69334 + grsec_usb.o grsec_ipc.o grsec_proc.o
69335 +
69336 +obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \
69337 + gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \
69338 + gracl_learn.o grsec_log.o gracl_policy.o
69339 +ifdef CONFIG_COMPAT
69340 +obj-$(CONFIG_GRKERNSEC) += gracl_compat.o
69341 +endif
69342 +
69343 +obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o
69344 +
69345 +ifdef CONFIG_NET
69346 +obj-y += grsec_sock.o
69347 +obj-$(CONFIG_GRKERNSEC) += gracl_ip.o
69348 +endif
69349 +
69350 +ifndef CONFIG_GRKERNSEC
69351 +obj-y += grsec_disabled.o
69352 +endif
69353 +
69354 +ifdef CONFIG_GRKERNSEC_HIDESYM
69355 +extra-y := grsec_hidesym.o
69356 +$(obj)/grsec_hidesym.o:
69357 + @-chmod -f 500 /boot
69358 + @-chmod -f 500 /lib/modules
69359 + @-chmod -f 500 /lib64/modules
69360 + @-chmod -f 500 /lib32/modules
69361 + @-chmod -f 700 .
69362 + @-chmod -f 700 $(objtree)
69363 + @echo ' grsec: protected kernel image paths'
69364 +endif
69365 diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c
69366 new file mode 100644
69367 index 0000000..9c2d930
69368 --- /dev/null
69369 +++ b/grsecurity/gracl.c
69370 @@ -0,0 +1,2721 @@
69371 +#include <linux/kernel.h>
69372 +#include <linux/module.h>
69373 +#include <linux/sched.h>
69374 +#include <linux/mm.h>
69375 +#include <linux/file.h>
69376 +#include <linux/fs.h>
69377 +#include <linux/namei.h>
69378 +#include <linux/mount.h>
69379 +#include <linux/tty.h>
69380 +#include <linux/proc_fs.h>
69381 +#include <linux/lglock.h>
69382 +#include <linux/slab.h>
69383 +#include <linux/vmalloc.h>
69384 +#include <linux/types.h>
69385 +#include <linux/sysctl.h>
69386 +#include <linux/netdevice.h>
69387 +#include <linux/ptrace.h>
69388 +#include <linux/gracl.h>
69389 +#include <linux/gralloc.h>
69390 +#include <linux/security.h>
69391 +#include <linux/grinternal.h>
69392 +#include <linux/pid_namespace.h>
69393 +#include <linux/stop_machine.h>
69394 +#include <linux/fdtable.h>
69395 +#include <linux/percpu.h>
69396 +#include <linux/lglock.h>
69397 +#include <linux/hugetlb.h>
69398 +#include <linux/posix-timers.h>
69399 +#include <linux/prefetch.h>
69400 +#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE)
69401 +#include <linux/magic.h>
69402 +#include <linux/pagemap.h>
69403 +#include "../fs/btrfs/async-thread.h"
69404 +#include "../fs/btrfs/ctree.h"
69405 +#include "../fs/btrfs/btrfs_inode.h"
69406 +#endif
69407 +#include "../fs/mount.h"
69408 +
69409 +#include <asm/uaccess.h>
69410 +#include <asm/errno.h>
69411 +#include <asm/mman.h>
69412 +
69413 +#define FOR_EACH_ROLE_START(role) \
69414 + role = running_polstate.role_list; \
69415 + while (role) {
69416 +
69417 +#define FOR_EACH_ROLE_END(role) \
69418 + role = role->prev; \
69419 + }
69420 +
69421 +extern struct path gr_real_root;
69422 +
69423 +static struct gr_policy_state running_polstate;
69424 +struct gr_policy_state *polstate = &running_polstate;
69425 +extern struct gr_alloc_state *current_alloc_state;
69426 +
69427 +extern char *gr_shared_page[4];
69428 +DEFINE_RWLOCK(gr_inode_lock);
69429 +
69430 +static unsigned int gr_status __read_only = GR_STATUS_INIT;
69431 +
69432 +#ifdef CONFIG_NET
69433 +extern struct vfsmount *sock_mnt;
69434 +#endif
69435 +
69436 +extern struct vfsmount *pipe_mnt;
69437 +extern struct vfsmount *shm_mnt;
69438 +
69439 +#ifdef CONFIG_HUGETLBFS
69440 +extern struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
69441 +#endif
69442 +
69443 +extern u16 acl_sp_role_value;
69444 +extern struct acl_object_label *fakefs_obj_rw;
69445 +extern struct acl_object_label *fakefs_obj_rwx;
69446 +
69447 +int gr_acl_is_enabled(void)
69448 +{
69449 + return (gr_status & GR_READY);
69450 +}
69451 +
69452 +void gr_enable_rbac_system(void)
69453 +{
69454 + pax_open_kernel();
69455 + gr_status |= GR_READY;
69456 + pax_close_kernel();
69457 +}
69458 +
69459 +int gr_rbac_disable(void *unused)
69460 +{
69461 + pax_open_kernel();
69462 + gr_status &= ~GR_READY;
69463 + pax_close_kernel();
69464 +
69465 + return 0;
69466 +}
69467 +
69468 +static inline dev_t __get_dev(const struct dentry *dentry)
69469 +{
69470 +#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE)
69471 + if (dentry->d_sb->s_magic == BTRFS_SUPER_MAGIC)
69472 + return BTRFS_I(dentry->d_inode)->root->anon_dev;
69473 + else
69474 +#endif
69475 + return dentry->d_sb->s_dev;
69476 +}
69477 +
69478 +dev_t gr_get_dev_from_dentry(struct dentry *dentry)
69479 +{
69480 + return __get_dev(dentry);
69481 +}
69482 +
69483 +static char gr_task_roletype_to_char(struct task_struct *task)
69484 +{
69485 + switch (task->role->roletype &
69486 + (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP |
69487 + GR_ROLE_SPECIAL)) {
69488 + case GR_ROLE_DEFAULT:
69489 + return 'D';
69490 + case GR_ROLE_USER:
69491 + return 'U';
69492 + case GR_ROLE_GROUP:
69493 + return 'G';
69494 + case GR_ROLE_SPECIAL:
69495 + return 'S';
69496 + }
69497 +
69498 + return 'X';
69499 +}
69500 +
69501 +char gr_roletype_to_char(void)
69502 +{
69503 + return gr_task_roletype_to_char(current);
69504 +}
69505 +
69506 +__inline__ int
69507 +gr_acl_tpe_check(void)
69508 +{
69509 + if (unlikely(!(gr_status & GR_READY)))
69510 + return 0;
69511 + if (current->role->roletype & GR_ROLE_TPE)
69512 + return 1;
69513 + else
69514 + return 0;
69515 +}
69516 +
69517 +int
69518 +gr_handle_rawio(const struct inode *inode)
69519 +{
69520 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
69521 + if (inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR)) &&
69522 + grsec_enable_chroot_caps && proc_is_chrooted(current) &&
69523 + !capable(CAP_SYS_RAWIO))
69524 + return 1;
69525 +#endif
69526 + return 0;
69527 +}
69528 +
69529 +int
69530 +gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb)
69531 +{
69532 + if (likely(lena != lenb))
69533 + return 0;
69534 +
69535 + return !memcmp(a, b, lena);
69536 +}
69537 +
69538 +static int prepend(char **buffer, int *buflen, const char *str, int namelen)
69539 +{
69540 + *buflen -= namelen;
69541 + if (*buflen < 0)
69542 + return -ENAMETOOLONG;
69543 + *buffer -= namelen;
69544 + memcpy(*buffer, str, namelen);
69545 + return 0;
69546 +}
69547 +
69548 +static int prepend_name(char **buffer, int *buflen, struct qstr *name)
69549 +{
69550 + return prepend(buffer, buflen, name->name, name->len);
69551 +}
69552 +
69553 +static int prepend_path(const struct path *path, struct path *root,
69554 + char **buffer, int *buflen)
69555 +{
69556 + struct dentry *dentry = path->dentry;
69557 + struct vfsmount *vfsmnt = path->mnt;
69558 + struct mount *mnt = real_mount(vfsmnt);
69559 + bool slash = false;
69560 + int error = 0;
69561 +
69562 + while (dentry != root->dentry || vfsmnt != root->mnt) {
69563 + struct dentry * parent;
69564 +
69565 + if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) {
69566 + /* Global root? */
69567 + if (!mnt_has_parent(mnt)) {
69568 + goto out;
69569 + }
69570 + dentry = mnt->mnt_mountpoint;
69571 + mnt = mnt->mnt_parent;
69572 + vfsmnt = &mnt->mnt;
69573 + continue;
69574 + }
69575 + parent = dentry->d_parent;
69576 + prefetch(parent);
69577 + spin_lock(&dentry->d_lock);
69578 + error = prepend_name(buffer, buflen, &dentry->d_name);
69579 + spin_unlock(&dentry->d_lock);
69580 + if (!error)
69581 + error = prepend(buffer, buflen, "/", 1);
69582 + if (error)
69583 + break;
69584 +
69585 + slash = true;
69586 + dentry = parent;
69587 + }
69588 +
69589 +out:
69590 + if (!error && !slash)
69591 + error = prepend(buffer, buflen, "/", 1);
69592 +
69593 + return error;
69594 +}
69595 +
69596 +/* this must be called with mount_lock and rename_lock held */
69597 +
69598 +static char *__our_d_path(const struct path *path, struct path *root,
69599 + char *buf, int buflen)
69600 +{
69601 + char *res = buf + buflen;
69602 + int error;
69603 +
69604 + prepend(&res, &buflen, "\0", 1);
69605 + error = prepend_path(path, root, &res, &buflen);
69606 + if (error)
69607 + return ERR_PTR(error);
69608 +
69609 + return res;
69610 +}
69611 +
69612 +static char *
69613 +gen_full_path(struct path *path, struct path *root, char *buf, int buflen)
69614 +{
69615 + char *retval;
69616 +
69617 + retval = __our_d_path(path, root, buf, buflen);
69618 + if (unlikely(IS_ERR(retval)))
69619 + retval = strcpy(buf, "<path too long>");
69620 + else if (unlikely(retval[1] == '/' && retval[2] == '\0'))
69621 + retval[1] = '\0';
69622 +
69623 + return retval;
69624 +}
69625 +
69626 +static char *
69627 +__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
69628 + char *buf, int buflen)
69629 +{
69630 + struct path path;
69631 + char *res;
69632 +
69633 + path.dentry = (struct dentry *)dentry;
69634 + path.mnt = (struct vfsmount *)vfsmnt;
69635 +
69636 + /* we can use gr_real_root.dentry, gr_real_root.mnt, because this is only called
69637 + by the RBAC system */
69638 + res = gen_full_path(&path, &gr_real_root, buf, buflen);
69639 +
69640 + return res;
69641 +}
69642 +
69643 +static char *
69644 +d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt,
69645 + char *buf, int buflen)
69646 +{
69647 + char *res;
69648 + struct path path;
69649 + struct path root;
69650 + struct task_struct *reaper = init_pid_ns.child_reaper;
69651 +
69652 + path.dentry = (struct dentry *)dentry;
69653 + path.mnt = (struct vfsmount *)vfsmnt;
69654 +
69655 + /* we can't use gr_real_root.dentry, gr_real_root.mnt, because they belong only to the RBAC system */
69656 + get_fs_root(reaper->fs, &root);
69657 +
69658 + read_seqlock_excl(&mount_lock);
69659 + write_seqlock(&rename_lock);
69660 + res = gen_full_path(&path, &root, buf, buflen);
69661 + write_sequnlock(&rename_lock);
69662 + read_sequnlock_excl(&mount_lock);
69663 +
69664 + path_put(&root);
69665 + return res;
69666 +}
69667 +
69668 +char *
69669 +gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
69670 +{
69671 + char *ret;
69672 + read_seqlock_excl(&mount_lock);
69673 + write_seqlock(&rename_lock);
69674 + ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
69675 + PAGE_SIZE);
69676 + write_sequnlock(&rename_lock);
69677 + read_sequnlock_excl(&mount_lock);
69678 + return ret;
69679 +}
69680 +
69681 +static char *
69682 +gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt)
69683 +{
69684 + char *ret;
69685 + char *buf;
69686 + int buflen;
69687 +
69688 + read_seqlock_excl(&mount_lock);
69689 + write_seqlock(&rename_lock);
69690 + buf = per_cpu_ptr(gr_shared_page[0], smp_processor_id());
69691 + ret = __d_real_path(dentry, mnt, buf, PAGE_SIZE - 6);
69692 + buflen = (int)(ret - buf);
69693 + if (buflen >= 5)
69694 + prepend(&ret, &buflen, "/proc", 5);
69695 + else
69696 + ret = strcpy(buf, "<path too long>");
69697 + write_sequnlock(&rename_lock);
69698 + read_sequnlock_excl(&mount_lock);
69699 + return ret;
69700 +}
69701 +
69702 +char *
69703 +gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt)
69704 +{
69705 + return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()),
69706 + PAGE_SIZE);
69707 +}
69708 +
69709 +char *
69710 +gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt)
69711 +{
69712 + return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
69713 + PAGE_SIZE);
69714 +}
69715 +
69716 +char *
69717 +gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt)
69718 +{
69719 + return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()),
69720 + PAGE_SIZE);
69721 +}
69722 +
69723 +char *
69724 +gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt)
69725 +{
69726 + return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()),
69727 + PAGE_SIZE);
69728 +}
69729 +
69730 +char *
69731 +gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt)
69732 +{
69733 + return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()),
69734 + PAGE_SIZE);
69735 +}
69736 +
69737 +__inline__ __u32
69738 +to_gr_audit(const __u32 reqmode)
69739 +{
69740 + /* masks off auditable permission flags, then shifts them to create
69741 + auditing flags, and adds the special case of append auditing if
69742 + we're requesting write */
69743 + return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0));
69744 +}
69745 +
69746 +struct acl_role_label *
69747 +__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid,
69748 + const gid_t gid)
69749 +{
69750 + unsigned int index = gr_rhash(uid, GR_ROLE_USER, state->acl_role_set.r_size);
69751 + struct acl_role_label *match;
69752 + struct role_allowed_ip *ipp;
69753 + unsigned int x;
69754 + u32 curr_ip = task->signal->saved_ip;
69755 +
69756 + match = state->acl_role_set.r_hash[index];
69757 +
69758 + while (match) {
69759 + if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) {
69760 + for (x = 0; x < match->domain_child_num; x++) {
69761 + if (match->domain_children[x] == uid)
69762 + goto found;
69763 + }
69764 + } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER)
69765 + break;
69766 + match = match->next;
69767 + }
69768 +found:
69769 + if (match == NULL) {
69770 + try_group:
69771 + index = gr_rhash(gid, GR_ROLE_GROUP, state->acl_role_set.r_size);
69772 + match = state->acl_role_set.r_hash[index];
69773 +
69774 + while (match) {
69775 + if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) {
69776 + for (x = 0; x < match->domain_child_num; x++) {
69777 + if (match->domain_children[x] == gid)
69778 + goto found2;
69779 + }
69780 + } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP)
69781 + break;
69782 + match = match->next;
69783 + }
69784 +found2:
69785 + if (match == NULL)
69786 + match = state->default_role;
69787 + if (match->allowed_ips == NULL)
69788 + return match;
69789 + else {
69790 + for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
69791 + if (likely
69792 + ((ntohl(curr_ip) & ipp->netmask) ==
69793 + (ntohl(ipp->addr) & ipp->netmask)))
69794 + return match;
69795 + }
69796 + match = state->default_role;
69797 + }
69798 + } else if (match->allowed_ips == NULL) {
69799 + return match;
69800 + } else {
69801 + for (ipp = match->allowed_ips; ipp; ipp = ipp->next) {
69802 + if (likely
69803 + ((ntohl(curr_ip) & ipp->netmask) ==
69804 + (ntohl(ipp->addr) & ipp->netmask)))
69805 + return match;
69806 + }
69807 + goto try_group;
69808 + }
69809 +
69810 + return match;
69811 +}
69812 +
69813 +static struct acl_role_label *
69814 +lookup_acl_role_label(const struct task_struct *task, const uid_t uid,
69815 + const gid_t gid)
69816 +{
69817 + return __lookup_acl_role_label(&running_polstate, task, uid, gid);
69818 +}
69819 +
69820 +struct acl_subject_label *
69821 +lookup_acl_subj_label(const ino_t ino, const dev_t dev,
69822 + const struct acl_role_label *role)
69823 +{
69824 + unsigned int index = gr_fhash(ino, dev, role->subj_hash_size);
69825 + struct acl_subject_label *match;
69826 +
69827 + match = role->subj_hash[index];
69828 +
69829 + while (match && (match->inode != ino || match->device != dev ||
69830 + (match->mode & GR_DELETED))) {
69831 + match = match->next;
69832 + }
69833 +
69834 + if (match && !(match->mode & GR_DELETED))
69835 + return match;
69836 + else
69837 + return NULL;
69838 +}
69839 +
69840 +struct acl_subject_label *
69841 +lookup_acl_subj_label_deleted(const ino_t ino, const dev_t dev,
69842 + const struct acl_role_label *role)
69843 +{
69844 + unsigned int index = gr_fhash(ino, dev, role->subj_hash_size);
69845 + struct acl_subject_label *match;
69846 +
69847 + match = role->subj_hash[index];
69848 +
69849 + while (match && (match->inode != ino || match->device != dev ||
69850 + !(match->mode & GR_DELETED))) {
69851 + match = match->next;
69852 + }
69853 +
69854 + if (match && (match->mode & GR_DELETED))
69855 + return match;
69856 + else
69857 + return NULL;
69858 +}
69859 +
69860 +static struct acl_object_label *
69861 +lookup_acl_obj_label(const ino_t ino, const dev_t dev,
69862 + const struct acl_subject_label *subj)
69863 +{
69864 + unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size);
69865 + struct acl_object_label *match;
69866 +
69867 + match = subj->obj_hash[index];
69868 +
69869 + while (match && (match->inode != ino || match->device != dev ||
69870 + (match->mode & GR_DELETED))) {
69871 + match = match->next;
69872 + }
69873 +
69874 + if (match && !(match->mode & GR_DELETED))
69875 + return match;
69876 + else
69877 + return NULL;
69878 +}
69879 +
69880 +static struct acl_object_label *
69881 +lookup_acl_obj_label_create(const ino_t ino, const dev_t dev,
69882 + const struct acl_subject_label *subj)
69883 +{
69884 + unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size);
69885 + struct acl_object_label *match;
69886 +
69887 + match = subj->obj_hash[index];
69888 +
69889 + while (match && (match->inode != ino || match->device != dev ||
69890 + !(match->mode & GR_DELETED))) {
69891 + match = match->next;
69892 + }
69893 +
69894 + if (match && (match->mode & GR_DELETED))
69895 + return match;
69896 +
69897 + match = subj->obj_hash[index];
69898 +
69899 + while (match && (match->inode != ino || match->device != dev ||
69900 + (match->mode & GR_DELETED))) {
69901 + match = match->next;
69902 + }
69903 +
69904 + if (match && !(match->mode & GR_DELETED))
69905 + return match;
69906 + else
69907 + return NULL;
69908 +}
69909 +
69910 +struct name_entry *
69911 +__lookup_name_entry(const struct gr_policy_state *state, const char *name)
69912 +{
69913 + unsigned int len = strlen(name);
69914 + unsigned int key = full_name_hash(name, len);
69915 + unsigned int index = key % state->name_set.n_size;
69916 + struct name_entry *match;
69917 +
69918 + match = state->name_set.n_hash[index];
69919 +
69920 + while (match && (match->key != key || !gr_streq(match->name, name, match->len, len)))
69921 + match = match->next;
69922 +
69923 + return match;
69924 +}
69925 +
69926 +static struct name_entry *
69927 +lookup_name_entry(const char *name)
69928 +{
69929 + return __lookup_name_entry(&running_polstate, name);
69930 +}
69931 +
69932 +static struct name_entry *
69933 +lookup_name_entry_create(const char *name)
69934 +{
69935 + unsigned int len = strlen(name);
69936 + unsigned int key = full_name_hash(name, len);
69937 + unsigned int index = key % running_polstate.name_set.n_size;
69938 + struct name_entry *match;
69939 +
69940 + match = running_polstate.name_set.n_hash[index];
69941 +
69942 + while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
69943 + !match->deleted))
69944 + match = match->next;
69945 +
69946 + if (match && match->deleted)
69947 + return match;
69948 +
69949 + match = running_polstate.name_set.n_hash[index];
69950 +
69951 + while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) ||
69952 + match->deleted))
69953 + match = match->next;
69954 +
69955 + if (match && !match->deleted)
69956 + return match;
69957 + else
69958 + return NULL;
69959 +}
69960 +
69961 +static struct inodev_entry *
69962 +lookup_inodev_entry(const ino_t ino, const dev_t dev)
69963 +{
69964 + unsigned int index = gr_fhash(ino, dev, running_polstate.inodev_set.i_size);
69965 + struct inodev_entry *match;
69966 +
69967 + match = running_polstate.inodev_set.i_hash[index];
69968 +
69969 + while (match && (match->nentry->inode != ino || match->nentry->device != dev))
69970 + match = match->next;
69971 +
69972 + return match;
69973 +}
69974 +
69975 +void
69976 +__insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry)
69977 +{
69978 + unsigned int index = gr_fhash(entry->nentry->inode, entry->nentry->device,
69979 + state->inodev_set.i_size);
69980 + struct inodev_entry **curr;
69981 +
69982 + entry->prev = NULL;
69983 +
69984 + curr = &state->inodev_set.i_hash[index];
69985 + if (*curr != NULL)
69986 + (*curr)->prev = entry;
69987 +
69988 + entry->next = *curr;
69989 + *curr = entry;
69990 +
69991 + return;
69992 +}
69993 +
69994 +static void
69995 +insert_inodev_entry(struct inodev_entry *entry)
69996 +{
69997 + __insert_inodev_entry(&running_polstate, entry);
69998 +}
69999 +
70000 +void
70001 +insert_acl_obj_label(struct acl_object_label *obj,
70002 + struct acl_subject_label *subj)
70003 +{
70004 + unsigned int index =
70005 + gr_fhash(obj->inode, obj->device, subj->obj_hash_size);
70006 + struct acl_object_label **curr;
70007 +
70008 + obj->prev = NULL;
70009 +
70010 + curr = &subj->obj_hash[index];
70011 + if (*curr != NULL)
70012 + (*curr)->prev = obj;
70013 +
70014 + obj->next = *curr;
70015 + *curr = obj;
70016 +
70017 + return;
70018 +}
70019 +
70020 +void
70021 +insert_acl_subj_label(struct acl_subject_label *obj,
70022 + struct acl_role_label *role)
70023 +{
70024 + unsigned int index = gr_fhash(obj->inode, obj->device, role->subj_hash_size);
70025 + struct acl_subject_label **curr;
70026 +
70027 + obj->prev = NULL;
70028 +
70029 + curr = &role->subj_hash[index];
70030 + if (*curr != NULL)
70031 + (*curr)->prev = obj;
70032 +
70033 + obj->next = *curr;
70034 + *curr = obj;
70035 +
70036 + return;
70037 +}
70038 +
70039 +/* derived from glibc fnmatch() 0: match, 1: no match*/
70040 +
70041 +static int
70042 +glob_match(const char *p, const char *n)
70043 +{
70044 + char c;
70045 +
70046 + while ((c = *p++) != '\0') {
70047 + switch (c) {
70048 + case '?':
70049 + if (*n == '\0')
70050 + return 1;
70051 + else if (*n == '/')
70052 + return 1;
70053 + break;
70054 + case '\\':
70055 + if (*n != c)
70056 + return 1;
70057 + break;
70058 + case '*':
70059 + for (c = *p++; c == '?' || c == '*'; c = *p++) {
70060 + if (*n == '/')
70061 + return 1;
70062 + else if (c == '?') {
70063 + if (*n == '\0')
70064 + return 1;
70065 + else
70066 + ++n;
70067 + }
70068 + }
70069 + if (c == '\0') {
70070 + return 0;
70071 + } else {
70072 + const char *endp;
70073 +
70074 + if ((endp = strchr(n, '/')) == NULL)
70075 + endp = n + strlen(n);
70076 +
70077 + if (c == '[') {
70078 + for (--p; n < endp; ++n)
70079 + if (!glob_match(p, n))
70080 + return 0;
70081 + } else if (c == '/') {
70082 + while (*n != '\0' && *n != '/')
70083 + ++n;
70084 + if (*n == '/' && !glob_match(p, n + 1))
70085 + return 0;
70086 + } else {
70087 + for (--p; n < endp; ++n)
70088 + if (*n == c && !glob_match(p, n))
70089 + return 0;
70090 + }
70091 +
70092 + return 1;
70093 + }
70094 + case '[':
70095 + {
70096 + int not;
70097 + char cold;
70098 +
70099 + if (*n == '\0' || *n == '/')
70100 + return 1;
70101 +
70102 + not = (*p == '!' || *p == '^');
70103 + if (not)
70104 + ++p;
70105 +
70106 + c = *p++;
70107 + for (;;) {
70108 + unsigned char fn = (unsigned char)*n;
70109 +
70110 + if (c == '\0')
70111 + return 1;
70112 + else {
70113 + if (c == fn)
70114 + goto matched;
70115 + cold = c;
70116 + c = *p++;
70117 +
70118 + if (c == '-' && *p != ']') {
70119 + unsigned char cend = *p++;
70120 +
70121 + if (cend == '\0')
70122 + return 1;
70123 +
70124 + if (cold <= fn && fn <= cend)
70125 + goto matched;
70126 +
70127 + c = *p++;
70128 + }
70129 + }
70130 +
70131 + if (c == ']')
70132 + break;
70133 + }
70134 + if (!not)
70135 + return 1;
70136 + break;
70137 + matched:
70138 + while (c != ']') {
70139 + if (c == '\0')
70140 + return 1;
70141 +
70142 + c = *p++;
70143 + }
70144 + if (not)
70145 + return 1;
70146 + }
70147 + break;
70148 + default:
70149 + if (c != *n)
70150 + return 1;
70151 + }
70152 +
70153 + ++n;
70154 + }
70155 +
70156 + if (*n == '\0')
70157 + return 0;
70158 +
70159 + if (*n == '/')
70160 + return 0;
70161 +
70162 + return 1;
70163 +}
70164 +
70165 +static struct acl_object_label *
70166 +chk_glob_label(struct acl_object_label *globbed,
70167 + const struct dentry *dentry, const struct vfsmount *mnt, char **path)
70168 +{
70169 + struct acl_object_label *tmp;
70170 +
70171 + if (*path == NULL)
70172 + *path = gr_to_filename_nolock(dentry, mnt);
70173 +
70174 + tmp = globbed;
70175 +
70176 + while (tmp) {
70177 + if (!glob_match(tmp->filename, *path))
70178 + return tmp;
70179 + tmp = tmp->next;
70180 + }
70181 +
70182 + return NULL;
70183 +}
70184 +
70185 +static struct acl_object_label *
70186 +__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
70187 + const ino_t curr_ino, const dev_t curr_dev,
70188 + const struct acl_subject_label *subj, char **path, const int checkglob)
70189 +{
70190 + struct acl_subject_label *tmpsubj;
70191 + struct acl_object_label *retval;
70192 + struct acl_object_label *retval2;
70193 +
70194 + tmpsubj = (struct acl_subject_label *) subj;
70195 + read_lock(&gr_inode_lock);
70196 + do {
70197 + retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj);
70198 + if (retval) {
70199 + if (checkglob && retval->globbed) {
70200 + retval2 = chk_glob_label(retval->globbed, orig_dentry, orig_mnt, path);
70201 + if (retval2)
70202 + retval = retval2;
70203 + }
70204 + break;
70205 + }
70206 + } while ((tmpsubj = tmpsubj->parent_subject));
70207 + read_unlock(&gr_inode_lock);
70208 +
70209 + return retval;
70210 +}
70211 +
70212 +static __inline__ struct acl_object_label *
70213 +full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt,
70214 + struct dentry *curr_dentry,
70215 + const struct acl_subject_label *subj, char **path, const int checkglob)
70216 +{
70217 + int newglob = checkglob;
70218 + ino_t inode;
70219 + dev_t device;
70220 +
70221 + /* if we aren't checking a subdirectory of the original path yet, don't do glob checking
70222 + as we don't want a / * rule to match instead of the / object
70223 + don't do this for create lookups that call this function though, since they're looking up
70224 + on the parent and thus need globbing checks on all paths
70225 + */
70226 + if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB)
70227 + newglob = GR_NO_GLOB;
70228 +
70229 + spin_lock(&curr_dentry->d_lock);
70230 + inode = curr_dentry->d_inode->i_ino;
70231 + device = __get_dev(curr_dentry);
70232 + spin_unlock(&curr_dentry->d_lock);
70233 +
70234 + return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob);
70235 +}
70236 +
70237 +#ifdef CONFIG_HUGETLBFS
70238 +static inline bool
70239 +is_hugetlbfs_mnt(const struct vfsmount *mnt)
70240 +{
70241 + int i;
70242 + for (i = 0; i < HUGE_MAX_HSTATE; i++) {
70243 + if (unlikely(hugetlbfs_vfsmount[i] == mnt))
70244 + return true;
70245 + }
70246 +
70247 + return false;
70248 +}
70249 +#endif
70250 +
70251 +static struct acl_object_label *
70252 +__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
70253 + const struct acl_subject_label *subj, char *path, const int checkglob)
70254 +{
70255 + struct dentry *dentry = (struct dentry *) l_dentry;
70256 + struct vfsmount *mnt = (struct vfsmount *) l_mnt;
70257 + struct mount *real_mnt = real_mount(mnt);
70258 + struct acl_object_label *retval;
70259 + struct dentry *parent;
70260 +
70261 + read_seqlock_excl(&mount_lock);
70262 + write_seqlock(&rename_lock);
70263 +
70264 + if (unlikely((mnt == shm_mnt && dentry->d_inode->i_nlink == 0) || mnt == pipe_mnt ||
70265 +#ifdef CONFIG_NET
70266 + mnt == sock_mnt ||
70267 +#endif
70268 +#ifdef CONFIG_HUGETLBFS
70269 + (is_hugetlbfs_mnt(mnt) && dentry->d_inode->i_nlink == 0) ||
70270 +#endif
70271 + /* ignore Eric Biederman */
70272 + IS_PRIVATE(l_dentry->d_inode))) {
70273 + retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw;
70274 + goto out;
70275 + }
70276 +
70277 + for (;;) {
70278 + if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt)
70279 + break;
70280 +
70281 + if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
70282 + if (!mnt_has_parent(real_mnt))
70283 + break;
70284 +
70285 + retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
70286 + if (retval != NULL)
70287 + goto out;
70288 +
70289 + dentry = real_mnt->mnt_mountpoint;
70290 + real_mnt = real_mnt->mnt_parent;
70291 + mnt = &real_mnt->mnt;
70292 + continue;
70293 + }
70294 +
70295 + parent = dentry->d_parent;
70296 + retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
70297 + if (retval != NULL)
70298 + goto out;
70299 +
70300 + dentry = parent;
70301 + }
70302 +
70303 + retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob);
70304 +
70305 + /* gr_real_root is pinned so we don't have to hold a reference */
70306 + if (retval == NULL)
70307 + retval = full_lookup(l_dentry, l_mnt, gr_real_root.dentry, subj, &path, checkglob);
70308 +out:
70309 + write_sequnlock(&rename_lock);
70310 + read_sequnlock_excl(&mount_lock);
70311 +
70312 + BUG_ON(retval == NULL);
70313 +
70314 + return retval;
70315 +}
70316 +
70317 +static __inline__ struct acl_object_label *
70318 +chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
70319 + const struct acl_subject_label *subj)
70320 +{
70321 + char *path = NULL;
70322 + return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB);
70323 +}
70324 +
70325 +static __inline__ struct acl_object_label *
70326 +chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
70327 + const struct acl_subject_label *subj)
70328 +{
70329 + char *path = NULL;
70330 + return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB);
70331 +}
70332 +
70333 +static __inline__ struct acl_object_label *
70334 +chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
70335 + const struct acl_subject_label *subj, char *path)
70336 +{
70337 + return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB);
70338 +}
70339 +
70340 +struct acl_subject_label *
70341 +chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt,
70342 + const struct acl_role_label *role)
70343 +{
70344 + struct dentry *dentry = (struct dentry *) l_dentry;
70345 + struct vfsmount *mnt = (struct vfsmount *) l_mnt;
70346 + struct mount *real_mnt = real_mount(mnt);
70347 + struct acl_subject_label *retval;
70348 + struct dentry *parent;
70349 +
70350 + read_seqlock_excl(&mount_lock);
70351 + write_seqlock(&rename_lock);
70352 +
70353 + for (;;) {
70354 + if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt)
70355 + break;
70356 + if (dentry == mnt->mnt_root || IS_ROOT(dentry)) {
70357 + if (!mnt_has_parent(real_mnt))
70358 + break;
70359 +
70360 + spin_lock(&dentry->d_lock);
70361 + read_lock(&gr_inode_lock);
70362 + retval =
70363 + lookup_acl_subj_label(dentry->d_inode->i_ino,
70364 + __get_dev(dentry), role);
70365 + read_unlock(&gr_inode_lock);
70366 + spin_unlock(&dentry->d_lock);
70367 + if (retval != NULL)
70368 + goto out;
70369 +
70370 + dentry = real_mnt->mnt_mountpoint;
70371 + real_mnt = real_mnt->mnt_parent;
70372 + mnt = &real_mnt->mnt;
70373 + continue;
70374 + }
70375 +
70376 + spin_lock(&dentry->d_lock);
70377 + read_lock(&gr_inode_lock);
70378 + retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
70379 + __get_dev(dentry), role);
70380 + read_unlock(&gr_inode_lock);
70381 + parent = dentry->d_parent;
70382 + spin_unlock(&dentry->d_lock);
70383 +
70384 + if (retval != NULL)
70385 + goto out;
70386 +
70387 + dentry = parent;
70388 + }
70389 +
70390 + spin_lock(&dentry->d_lock);
70391 + read_lock(&gr_inode_lock);
70392 + retval = lookup_acl_subj_label(dentry->d_inode->i_ino,
70393 + __get_dev(dentry), role);
70394 + read_unlock(&gr_inode_lock);
70395 + spin_unlock(&dentry->d_lock);
70396 +
70397 + if (unlikely(retval == NULL)) {
70398 + /* gr_real_root is pinned, we don't need to hold a reference */
70399 + read_lock(&gr_inode_lock);
70400 + retval = lookup_acl_subj_label(gr_real_root.dentry->d_inode->i_ino,
70401 + __get_dev(gr_real_root.dentry), role);
70402 + read_unlock(&gr_inode_lock);
70403 + }
70404 +out:
70405 + write_sequnlock(&rename_lock);
70406 + read_sequnlock_excl(&mount_lock);
70407 +
70408 + BUG_ON(retval == NULL);
70409 +
70410 + return retval;
70411 +}
70412 +
70413 +void
70414 +assign_special_role(const char *rolename)
70415 +{
70416 + struct acl_object_label *obj;
70417 + struct acl_role_label *r;
70418 + struct acl_role_label *assigned = NULL;
70419 + struct task_struct *tsk;
70420 + struct file *filp;
70421 +
70422 + FOR_EACH_ROLE_START(r)
70423 + if (!strcmp(rolename, r->rolename) &&
70424 + (r->roletype & GR_ROLE_SPECIAL)) {
70425 + assigned = r;
70426 + break;
70427 + }
70428 + FOR_EACH_ROLE_END(r)
70429 +
70430 + if (!assigned)
70431 + return;
70432 +
70433 + read_lock(&tasklist_lock);
70434 + read_lock(&grsec_exec_file_lock);
70435 +
70436 + tsk = current->real_parent;
70437 + if (tsk == NULL)
70438 + goto out_unlock;
70439 +
70440 + filp = tsk->exec_file;
70441 + if (filp == NULL)
70442 + goto out_unlock;
70443 +
70444 + tsk->is_writable = 0;
70445 + tsk->inherited = 0;
70446 +
70447 + tsk->acl_sp_role = 1;
70448 + tsk->acl_role_id = ++acl_sp_role_value;
70449 + tsk->role = assigned;
70450 + tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role);
70451 +
70452 + /* ignore additional mmap checks for processes that are writable
70453 + by the default ACL */
70454 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label);
70455 + if (unlikely(obj->mode & GR_WRITE))
70456 + tsk->is_writable = 1;
70457 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label);
70458 + if (unlikely(obj->mode & GR_WRITE))
70459 + tsk->is_writable = 1;
70460 +
70461 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
70462 + printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename,
70463 + tsk->acl->filename, tsk->comm, task_pid_nr(tsk));
70464 +#endif
70465 +
70466 +out_unlock:
70467 + read_unlock(&grsec_exec_file_lock);
70468 + read_unlock(&tasklist_lock);
70469 + return;
70470 +}
70471 +
70472 +
70473 +static void
70474 +gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode)
70475 +{
70476 + struct task_struct *task = current;
70477 + const struct cred *cred = current_cred();
70478 +
70479 + security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype,
70480 + GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
70481 + task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
70482 + 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip);
70483 +
70484 + return;
70485 +}
70486 +
70487 +static void
70488 +gr_log_learn_uid_change(const kuid_t real, const kuid_t effective, const kuid_t fs)
70489 +{
70490 + struct task_struct *task = current;
70491 + const struct cred *cred = current_cred();
70492 +
70493 + security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype,
70494 + GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
70495 + task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
70496 + 'u', GR_GLOBAL_UID(real), GR_GLOBAL_UID(effective), GR_GLOBAL_UID(fs), &task->signal->saved_ip);
70497 +
70498 + return;
70499 +}
70500 +
70501 +static void
70502 +gr_log_learn_gid_change(const kgid_t real, const kgid_t effective, const kgid_t fs)
70503 +{
70504 + struct task_struct *task = current;
70505 + const struct cred *cred = current_cred();
70506 +
70507 + security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype,
70508 + GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry,
70509 + task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename,
70510 + 'g', GR_GLOBAL_GID(real), GR_GLOBAL_GID(effective), GR_GLOBAL_GID(fs), &task->signal->saved_ip);
70511 +
70512 + return;
70513 +}
70514 +
70515 +static void
70516 +gr_set_proc_res(struct task_struct *task)
70517 +{
70518 + struct acl_subject_label *proc;
70519 + unsigned short i;
70520 +
70521 + proc = task->acl;
70522 +
70523 + if (proc->mode & (GR_LEARN | GR_INHERITLEARN))
70524 + return;
70525 +
70526 + for (i = 0; i < RLIM_NLIMITS; i++) {
70527 + if (!(proc->resmask & (1U << i)))
70528 + continue;
70529 +
70530 + task->signal->rlim[i].rlim_cur = proc->res[i].rlim_cur;
70531 + task->signal->rlim[i].rlim_max = proc->res[i].rlim_max;
70532 +
70533 + if (i == RLIMIT_CPU)
70534 + update_rlimit_cpu(task, proc->res[i].rlim_cur);
70535 + }
70536 +
70537 + return;
70538 +}
70539 +
70540 +/* both of the below must be called with
70541 + rcu_read_lock();
70542 + read_lock(&tasklist_lock);
70543 + read_lock(&grsec_exec_file_lock);
70544 + except in the case of gr_set_role_label() (for __gr_get_subject_for_task)
70545 +*/
70546 +
70547 +struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback)
70548 +{
70549 + char *tmpname;
70550 + struct acl_subject_label *tmpsubj;
70551 + struct file *filp;
70552 + struct name_entry *nmatch;
70553 +
70554 + filp = task->exec_file;
70555 + if (filp == NULL)
70556 + return NULL;
70557 +
70558 + /* the following is to apply the correct subject
70559 + on binaries running when the RBAC system
70560 + is enabled, when the binaries have been
70561 + replaced or deleted since their execution
70562 + -----
70563 + when the RBAC system starts, the inode/dev
70564 + from exec_file will be one the RBAC system
70565 + is unaware of. It only knows the inode/dev
70566 + of the present file on disk, or the absence
70567 + of it.
70568 + */
70569 +
70570 + if (filename)
70571 + nmatch = __lookup_name_entry(state, filename);
70572 + else {
70573 + preempt_disable();
70574 + tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt);
70575 +
70576 + nmatch = __lookup_name_entry(state, tmpname);
70577 + preempt_enable();
70578 + }
70579 + tmpsubj = NULL;
70580 + if (nmatch) {
70581 + if (nmatch->deleted)
70582 + tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role);
70583 + else
70584 + tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role);
70585 + }
70586 + /* this also works for the reload case -- if we don't match a potentially inherited subject
70587 + then we fall back to a normal lookup based on the binary's ino/dev
70588 + */
70589 + if (tmpsubj == NULL && fallback)
70590 + tmpsubj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, task->role);
70591 +
70592 + return tmpsubj;
70593 +}
70594 +
70595 +static struct acl_subject_label *gr_get_subject_for_task(struct task_struct *task, const char *filename, int fallback)
70596 +{
70597 + return __gr_get_subject_for_task(&running_polstate, task, filename, fallback);
70598 +}
70599 +
70600 +void __gr_apply_subject_to_task(const struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj)
70601 +{
70602 + struct acl_object_label *obj;
70603 + struct file *filp;
70604 +
70605 + filp = task->exec_file;
70606 +
70607 + task->acl = subj;
70608 + task->is_writable = 0;
70609 + /* ignore additional mmap checks for processes that are writable
70610 + by the default ACL */
70611 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, state->default_role->root_label);
70612 + if (unlikely(obj->mode & GR_WRITE))
70613 + task->is_writable = 1;
70614 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
70615 + if (unlikely(obj->mode & GR_WRITE))
70616 + task->is_writable = 1;
70617 +
70618 + gr_set_proc_res(task);
70619 +
70620 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
70621 + printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename);
70622 +#endif
70623 +}
70624 +
70625 +static void gr_apply_subject_to_task(struct task_struct *task, struct acl_subject_label *subj)
70626 +{
70627 + __gr_apply_subject_to_task(&running_polstate, task, subj);
70628 +}
70629 +
70630 +__u32
70631 +gr_search_file(const struct dentry * dentry, const __u32 mode,
70632 + const struct vfsmount * mnt)
70633 +{
70634 + __u32 retval = mode;
70635 + struct acl_subject_label *curracl;
70636 + struct acl_object_label *currobj;
70637 +
70638 + if (unlikely(!(gr_status & GR_READY)))
70639 + return (mode & ~GR_AUDITS);
70640 +
70641 + curracl = current->acl;
70642 +
70643 + currobj = chk_obj_label(dentry, mnt, curracl);
70644 + retval = currobj->mode & mode;
70645 +
70646 + /* if we're opening a specified transfer file for writing
70647 + (e.g. /dev/initctl), then transfer our role to init
70648 + */
70649 + if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE &&
70650 + current->role->roletype & GR_ROLE_PERSIST)) {
70651 + struct task_struct *task = init_pid_ns.child_reaper;
70652 +
70653 + if (task->role != current->role) {
70654 + struct acl_subject_label *subj;
70655 +
70656 + task->acl_sp_role = 0;
70657 + task->acl_role_id = current->acl_role_id;
70658 + task->role = current->role;
70659 + rcu_read_lock();
70660 + read_lock(&grsec_exec_file_lock);
70661 + subj = gr_get_subject_for_task(task, NULL, 1);
70662 + gr_apply_subject_to_task(task, subj);
70663 + read_unlock(&grsec_exec_file_lock);
70664 + rcu_read_unlock();
70665 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG);
70666 + }
70667 + }
70668 +
70669 + if (unlikely
70670 + ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE)
70671 + && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) {
70672 + __u32 new_mode = mode;
70673 +
70674 + new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
70675 +
70676 + retval = new_mode;
70677 +
70678 + if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN)
70679 + new_mode |= GR_INHERIT;
70680 +
70681 + if (!(mode & GR_NOLEARN))
70682 + gr_log_learn(dentry, mnt, new_mode);
70683 + }
70684 +
70685 + return retval;
70686 +}
70687 +
70688 +struct acl_object_label *gr_get_create_object(const struct dentry *new_dentry,
70689 + const struct dentry *parent,
70690 + const struct vfsmount *mnt)
70691 +{
70692 + struct name_entry *match;
70693 + struct acl_object_label *matchpo;
70694 + struct acl_subject_label *curracl;
70695 + char *path;
70696 +
70697 + if (unlikely(!(gr_status & GR_READY)))
70698 + return NULL;
70699 +
70700 + preempt_disable();
70701 + path = gr_to_filename_rbac(new_dentry, mnt);
70702 + match = lookup_name_entry_create(path);
70703 +
70704 + curracl = current->acl;
70705 +
70706 + if (match) {
70707 + read_lock(&gr_inode_lock);
70708 + matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl);
70709 + read_unlock(&gr_inode_lock);
70710 +
70711 + if (matchpo) {
70712 + preempt_enable();
70713 + return matchpo;
70714 + }
70715 + }
70716 +
70717 + // lookup parent
70718 +
70719 + matchpo = chk_obj_create_label(parent, mnt, curracl, path);
70720 +
70721 + preempt_enable();
70722 + return matchpo;
70723 +}
70724 +
70725 +__u32
70726 +gr_check_create(const struct dentry * new_dentry, const struct dentry * parent,
70727 + const struct vfsmount * mnt, const __u32 mode)
70728 +{
70729 + struct acl_object_label *matchpo;
70730 + __u32 retval;
70731 +
70732 + if (unlikely(!(gr_status & GR_READY)))
70733 + return (mode & ~GR_AUDITS);
70734 +
70735 + matchpo = gr_get_create_object(new_dentry, parent, mnt);
70736 +
70737 + retval = matchpo->mode & mode;
70738 +
70739 + if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS)))
70740 + && (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
70741 + __u32 new_mode = mode;
70742 +
70743 + new_mode &= ~(GR_AUDITS | GR_SUPPRESS);
70744 +
70745 + gr_log_learn(new_dentry, mnt, new_mode);
70746 + return new_mode;
70747 + }
70748 +
70749 + return retval;
70750 +}
70751 +
70752 +__u32
70753 +gr_check_link(const struct dentry * new_dentry,
70754 + const struct dentry * parent_dentry,
70755 + const struct vfsmount * parent_mnt,
70756 + const struct dentry * old_dentry, const struct vfsmount * old_mnt)
70757 +{
70758 + struct acl_object_label *obj;
70759 + __u32 oldmode, newmode;
70760 + __u32 needmode;
70761 + __u32 checkmodes = GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | GR_SETID | GR_READ |
70762 + GR_DELETE | GR_INHERIT;
70763 +
70764 + if (unlikely(!(gr_status & GR_READY)))
70765 + return (GR_CREATE | GR_LINK);
70766 +
70767 + obj = chk_obj_label(old_dentry, old_mnt, current->acl);
70768 + oldmode = obj->mode;
70769 +
70770 + obj = gr_get_create_object(new_dentry, parent_dentry, parent_mnt);
70771 + newmode = obj->mode;
70772 +
70773 + needmode = newmode & checkmodes;
70774 +
70775 + // old name for hardlink must have at least the permissions of the new name
70776 + if ((oldmode & needmode) != needmode)
70777 + goto bad;
70778 +
70779 + // if old name had restrictions/auditing, make sure the new name does as well
70780 + needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS);
70781 +
70782 + // don't allow hardlinking of suid/sgid/fcapped files without permission
70783 + if (is_privileged_binary(old_dentry))
70784 + needmode |= GR_SETID;
70785 +
70786 + if ((newmode & needmode) != needmode)
70787 + goto bad;
70788 +
70789 + // enforce minimum permissions
70790 + if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK))
70791 + return newmode;
70792 +bad:
70793 + needmode = oldmode;
70794 + if (is_privileged_binary(old_dentry))
70795 + needmode |= GR_SETID;
70796 +
70797 + if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) {
70798 + gr_log_learn(old_dentry, old_mnt, needmode | GR_CREATE | GR_LINK);
70799 + return (GR_CREATE | GR_LINK);
70800 + } else if (newmode & GR_SUPPRESS)
70801 + return GR_SUPPRESS;
70802 + else
70803 + return 0;
70804 +}
70805 +
70806 +int
70807 +gr_check_hidden_task(const struct task_struct *task)
70808 +{
70809 + if (unlikely(!(gr_status & GR_READY)))
70810 + return 0;
70811 +
70812 + if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW))
70813 + return 1;
70814 +
70815 + return 0;
70816 +}
70817 +
70818 +int
70819 +gr_check_protected_task(const struct task_struct *task)
70820 +{
70821 + if (unlikely(!(gr_status & GR_READY) || !task))
70822 + return 0;
70823 +
70824 + if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
70825 + task->acl != current->acl)
70826 + return 1;
70827 +
70828 + return 0;
70829 +}
70830 +
70831 +int
70832 +gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
70833 +{
70834 + struct task_struct *p;
70835 + int ret = 0;
70836 +
70837 + if (unlikely(!(gr_status & GR_READY) || !pid))
70838 + return ret;
70839 +
70840 + read_lock(&tasklist_lock);
70841 + do_each_pid_task(pid, type, p) {
70842 + if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) &&
70843 + p->acl != current->acl) {
70844 + ret = 1;
70845 + goto out;
70846 + }
70847 + } while_each_pid_task(pid, type, p);
70848 +out:
70849 + read_unlock(&tasklist_lock);
70850 +
70851 + return ret;
70852 +}
70853 +
70854 +void
70855 +gr_copy_label(struct task_struct *tsk)
70856 +{
70857 + struct task_struct *p = current;
70858 +
70859 + tsk->inherited = p->inherited;
70860 + tsk->acl_sp_role = 0;
70861 + tsk->acl_role_id = p->acl_role_id;
70862 + tsk->acl = p->acl;
70863 + tsk->role = p->role;
70864 + tsk->signal->used_accept = 0;
70865 + tsk->signal->curr_ip = p->signal->curr_ip;
70866 + tsk->signal->saved_ip = p->signal->saved_ip;
70867 + if (p->exec_file)
70868 + get_file(p->exec_file);
70869 + tsk->exec_file = p->exec_file;
70870 + tsk->is_writable = p->is_writable;
70871 + if (unlikely(p->signal->used_accept)) {
70872 + p->signal->curr_ip = 0;
70873 + p->signal->saved_ip = 0;
70874 + }
70875 +
70876 + return;
70877 +}
70878 +
70879 +extern int gr_process_kernel_setuid_ban(struct user_struct *user);
70880 +
70881 +int
70882 +gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs)
70883 +{
70884 + unsigned int i;
70885 + __u16 num;
70886 + uid_t *uidlist;
70887 + uid_t curuid;
70888 + int realok = 0;
70889 + int effectiveok = 0;
70890 + int fsok = 0;
70891 + uid_t globalreal, globaleffective, globalfs;
70892 +
70893 +#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT)
70894 + struct user_struct *user;
70895 +
70896 + if (!uid_valid(real))
70897 + goto skipit;
70898 +
70899 + /* find user based on global namespace */
70900 +
70901 + globalreal = GR_GLOBAL_UID(real);
70902 +
70903 + user = find_user(make_kuid(&init_user_ns, globalreal));
70904 + if (user == NULL)
70905 + goto skipit;
70906 +
70907 + if (gr_process_kernel_setuid_ban(user)) {
70908 + /* for find_user */
70909 + free_uid(user);
70910 + return 1;
70911 + }
70912 +
70913 + /* for find_user */
70914 + free_uid(user);
70915 +
70916 +skipit:
70917 +#endif
70918 +
70919 + if (unlikely(!(gr_status & GR_READY)))
70920 + return 0;
70921 +
70922 + if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
70923 + gr_log_learn_uid_change(real, effective, fs);
70924 +
70925 + num = current->acl->user_trans_num;
70926 + uidlist = current->acl->user_transitions;
70927 +
70928 + if (uidlist == NULL)
70929 + return 0;
70930 +
70931 + if (!uid_valid(real)) {
70932 + realok = 1;
70933 + globalreal = (uid_t)-1;
70934 + } else {
70935 + globalreal = GR_GLOBAL_UID(real);
70936 + }
70937 + if (!uid_valid(effective)) {
70938 + effectiveok = 1;
70939 + globaleffective = (uid_t)-1;
70940 + } else {
70941 + globaleffective = GR_GLOBAL_UID(effective);
70942 + }
70943 + if (!uid_valid(fs)) {
70944 + fsok = 1;
70945 + globalfs = (uid_t)-1;
70946 + } else {
70947 + globalfs = GR_GLOBAL_UID(fs);
70948 + }
70949 +
70950 + if (current->acl->user_trans_type & GR_ID_ALLOW) {
70951 + for (i = 0; i < num; i++) {
70952 + curuid = uidlist[i];
70953 + if (globalreal == curuid)
70954 + realok = 1;
70955 + if (globaleffective == curuid)
70956 + effectiveok = 1;
70957 + if (globalfs == curuid)
70958 + fsok = 1;
70959 + }
70960 + } else if (current->acl->user_trans_type & GR_ID_DENY) {
70961 + for (i = 0; i < num; i++) {
70962 + curuid = uidlist[i];
70963 + if (globalreal == curuid)
70964 + break;
70965 + if (globaleffective == curuid)
70966 + break;
70967 + if (globalfs == curuid)
70968 + break;
70969 + }
70970 + /* not in deny list */
70971 + if (i == num) {
70972 + realok = 1;
70973 + effectiveok = 1;
70974 + fsok = 1;
70975 + }
70976 + }
70977 +
70978 + if (realok && effectiveok && fsok)
70979 + return 0;
70980 + else {
70981 + gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal);
70982 + return 1;
70983 + }
70984 +}
70985 +
70986 +int
70987 +gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs)
70988 +{
70989 + unsigned int i;
70990 + __u16 num;
70991 + gid_t *gidlist;
70992 + gid_t curgid;
70993 + int realok = 0;
70994 + int effectiveok = 0;
70995 + int fsok = 0;
70996 + gid_t globalreal, globaleffective, globalfs;
70997 +
70998 + if (unlikely(!(gr_status & GR_READY)))
70999 + return 0;
71000 +
71001 + if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))
71002 + gr_log_learn_gid_change(real, effective, fs);
71003 +
71004 + num = current->acl->group_trans_num;
71005 + gidlist = current->acl->group_transitions;
71006 +
71007 + if (gidlist == NULL)
71008 + return 0;
71009 +
71010 + if (!gid_valid(real)) {
71011 + realok = 1;
71012 + globalreal = (gid_t)-1;
71013 + } else {
71014 + globalreal = GR_GLOBAL_GID(real);
71015 + }
71016 + if (!gid_valid(effective)) {
71017 + effectiveok = 1;
71018 + globaleffective = (gid_t)-1;
71019 + } else {
71020 + globaleffective = GR_GLOBAL_GID(effective);
71021 + }
71022 + if (!gid_valid(fs)) {
71023 + fsok = 1;
71024 + globalfs = (gid_t)-1;
71025 + } else {
71026 + globalfs = GR_GLOBAL_GID(fs);
71027 + }
71028 +
71029 + if (current->acl->group_trans_type & GR_ID_ALLOW) {
71030 + for (i = 0; i < num; i++) {
71031 + curgid = gidlist[i];
71032 + if (globalreal == curgid)
71033 + realok = 1;
71034 + if (globaleffective == curgid)
71035 + effectiveok = 1;
71036 + if (globalfs == curgid)
71037 + fsok = 1;
71038 + }
71039 + } else if (current->acl->group_trans_type & GR_ID_DENY) {
71040 + for (i = 0; i < num; i++) {
71041 + curgid = gidlist[i];
71042 + if (globalreal == curgid)
71043 + break;
71044 + if (globaleffective == curgid)
71045 + break;
71046 + if (globalfs == curgid)
71047 + break;
71048 + }
71049 + /* not in deny list */
71050 + if (i == num) {
71051 + realok = 1;
71052 + effectiveok = 1;
71053 + fsok = 1;
71054 + }
71055 + }
71056 +
71057 + if (realok && effectiveok && fsok)
71058 + return 0;
71059 + else {
71060 + gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal);
71061 + return 1;
71062 + }
71063 +}
71064 +
71065 +extern int gr_acl_is_capable(const int cap);
71066 +
71067 +void
71068 +gr_set_role_label(struct task_struct *task, const kuid_t kuid, const kgid_t kgid)
71069 +{
71070 + struct acl_role_label *role = task->role;
71071 + struct acl_role_label *origrole = role;
71072 + struct acl_subject_label *subj = NULL;
71073 + struct acl_object_label *obj;
71074 + struct file *filp;
71075 + uid_t uid;
71076 + gid_t gid;
71077 +
71078 + if (unlikely(!(gr_status & GR_READY)))
71079 + return;
71080 +
71081 + uid = GR_GLOBAL_UID(kuid);
71082 + gid = GR_GLOBAL_GID(kgid);
71083 +
71084 + filp = task->exec_file;
71085 +
71086 + /* kernel process, we'll give them the kernel role */
71087 + if (unlikely(!filp)) {
71088 + task->role = running_polstate.kernel_role;
71089 + task->acl = running_polstate.kernel_role->root_label;
71090 + return;
71091 + } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL)) {
71092 + /* save the current ip at time of role lookup so that the proper
71093 + IP will be learned for role_allowed_ip */
71094 + task->signal->saved_ip = task->signal->curr_ip;
71095 + role = lookup_acl_role_label(task, uid, gid);
71096 + }
71097 +
71098 + /* don't change the role if we're not a privileged process */
71099 + if (role && task->role != role &&
71100 + (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) ||
71101 + ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID))))
71102 + return;
71103 +
71104 + task->role = role;
71105 +
71106 + if (task->inherited) {
71107 + /* if we reached our subject through inheritance, then first see
71108 + if there's a subject of the same name in the new role that has
71109 + an object that would result in the same inherited subject
71110 + */
71111 + subj = gr_get_subject_for_task(task, task->acl->filename, 0);
71112 + if (subj) {
71113 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, subj);
71114 + if (!(obj->mode & GR_INHERIT))
71115 + subj = NULL;
71116 + }
71117 +
71118 + }
71119 + if (subj == NULL) {
71120 + /* otherwise:
71121 + perform subject lookup in possibly new role
71122 + we can use this result below in the case where role == task->role
71123 + */
71124 + subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role);
71125 + }
71126 +
71127 + /* if we changed uid/gid, but result in the same role
71128 + and are using inheritance, don't lose the inherited subject
71129 + if current subject is other than what normal lookup
71130 + would result in, we arrived via inheritance, don't
71131 + lose subject
71132 + */
71133 + if (role != origrole || (!(task->acl->mode & GR_INHERITLEARN) &&
71134 + (subj == task->acl)))
71135 + task->acl = subj;
71136 +
71137 + /* leave task->inherited unaffected */
71138 +
71139 + task->is_writable = 0;
71140 +
71141 + /* ignore additional mmap checks for processes that are writable
71142 + by the default ACL */
71143 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label);
71144 + if (unlikely(obj->mode & GR_WRITE))
71145 + task->is_writable = 1;
71146 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label);
71147 + if (unlikely(obj->mode & GR_WRITE))
71148 + task->is_writable = 1;
71149 +
71150 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
71151 + printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename);
71152 +#endif
71153 +
71154 + gr_set_proc_res(task);
71155 +
71156 + return;
71157 +}
71158 +
71159 +int
71160 +gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
71161 + const int unsafe_flags)
71162 +{
71163 + struct task_struct *task = current;
71164 + struct acl_subject_label *newacl;
71165 + struct acl_object_label *obj;
71166 + __u32 retmode;
71167 +
71168 + if (unlikely(!(gr_status & GR_READY)))
71169 + return 0;
71170 +
71171 + newacl = chk_subj_label(dentry, mnt, task->role);
71172 +
71173 + /* special handling for if we did an strace -f -p <pid> from an admin role, where pid then
71174 + did an exec
71175 + */
71176 + rcu_read_lock();
71177 + read_lock(&tasklist_lock);
71178 + if (task->ptrace && task->parent && ((task->parent->role->roletype & GR_ROLE_GOD) ||
71179 + (task->parent->acl->mode & GR_POVERRIDE))) {
71180 + read_unlock(&tasklist_lock);
71181 + rcu_read_unlock();
71182 + goto skip_check;
71183 + }
71184 + read_unlock(&tasklist_lock);
71185 + rcu_read_unlock();
71186 +
71187 + if (unsafe_flags && !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) &&
71188 + !(task->role->roletype & GR_ROLE_GOD) &&
71189 + !gr_search_file(dentry, GR_PTRACERD, mnt) &&
71190 + !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN))) {
71191 + if (unsafe_flags & LSM_UNSAFE_SHARE)
71192 + gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt);
71193 + else
71194 + gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt);
71195 + return -EACCES;
71196 + }
71197 +
71198 +skip_check:
71199 +
71200 + obj = chk_obj_label(dentry, mnt, task->acl);
71201 + retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT);
71202 +
71203 + if (!(task->acl->mode & GR_INHERITLEARN) &&
71204 + ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) {
71205 + if (obj->nested)
71206 + task->acl = obj->nested;
71207 + else
71208 + task->acl = newacl;
71209 + task->inherited = 0;
71210 + } else {
71211 + task->inherited = 1;
71212 + if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT)
71213 + gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt);
71214 + }
71215 +
71216 + task->is_writable = 0;
71217 +
71218 + /* ignore additional mmap checks for processes that are writable
71219 + by the default ACL */
71220 + obj = chk_obj_label(dentry, mnt, running_polstate.default_role->root_label);
71221 + if (unlikely(obj->mode & GR_WRITE))
71222 + task->is_writable = 1;
71223 + obj = chk_obj_label(dentry, mnt, task->role->root_label);
71224 + if (unlikely(obj->mode & GR_WRITE))
71225 + task->is_writable = 1;
71226 +
71227 + gr_set_proc_res(task);
71228 +
71229 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
71230 + printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename);
71231 +#endif
71232 + return 0;
71233 +}
71234 +
71235 +/* always called with valid inodev ptr */
71236 +static void
71237 +do_handle_delete(struct inodev_entry *inodev, const ino_t ino, const dev_t dev)
71238 +{
71239 + struct acl_object_label *matchpo;
71240 + struct acl_subject_label *matchps;
71241 + struct acl_subject_label *subj;
71242 + struct acl_role_label *role;
71243 + unsigned int x;
71244 +
71245 + FOR_EACH_ROLE_START(role)
71246 + FOR_EACH_SUBJECT_START(role, subj, x)
71247 + if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL)
71248 + matchpo->mode |= GR_DELETED;
71249 + FOR_EACH_SUBJECT_END(subj,x)
71250 + FOR_EACH_NESTED_SUBJECT_START(role, subj)
71251 + /* nested subjects aren't in the role's subj_hash table */
71252 + if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL)
71253 + matchpo->mode |= GR_DELETED;
71254 + FOR_EACH_NESTED_SUBJECT_END(subj)
71255 + if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL)
71256 + matchps->mode |= GR_DELETED;
71257 + FOR_EACH_ROLE_END(role)
71258 +
71259 + inodev->nentry->deleted = 1;
71260 +
71261 + return;
71262 +}
71263 +
71264 +void
71265 +gr_handle_delete(const ino_t ino, const dev_t dev)
71266 +{
71267 + struct inodev_entry *inodev;
71268 +
71269 + if (unlikely(!(gr_status & GR_READY)))
71270 + return;
71271 +
71272 + write_lock(&gr_inode_lock);
71273 + inodev = lookup_inodev_entry(ino, dev);
71274 + if (inodev != NULL)
71275 + do_handle_delete(inodev, ino, dev);
71276 + write_unlock(&gr_inode_lock);
71277 +
71278 + return;
71279 +}
71280 +
71281 +static void
71282 +update_acl_obj_label(const ino_t oldinode, const dev_t olddevice,
71283 + const ino_t newinode, const dev_t newdevice,
71284 + struct acl_subject_label *subj)
71285 +{
71286 + unsigned int index = gr_fhash(oldinode, olddevice, subj->obj_hash_size);
71287 + struct acl_object_label *match;
71288 +
71289 + match = subj->obj_hash[index];
71290 +
71291 + while (match && (match->inode != oldinode ||
71292 + match->device != olddevice ||
71293 + !(match->mode & GR_DELETED)))
71294 + match = match->next;
71295 +
71296 + if (match && (match->inode == oldinode)
71297 + && (match->device == olddevice)
71298 + && (match->mode & GR_DELETED)) {
71299 + if (match->prev == NULL) {
71300 + subj->obj_hash[index] = match->next;
71301 + if (match->next != NULL)
71302 + match->next->prev = NULL;
71303 + } else {
71304 + match->prev->next = match->next;
71305 + if (match->next != NULL)
71306 + match->next->prev = match->prev;
71307 + }
71308 + match->prev = NULL;
71309 + match->next = NULL;
71310 + match->inode = newinode;
71311 + match->device = newdevice;
71312 + match->mode &= ~GR_DELETED;
71313 +
71314 + insert_acl_obj_label(match, subj);
71315 + }
71316 +
71317 + return;
71318 +}
71319 +
71320 +static void
71321 +update_acl_subj_label(const ino_t oldinode, const dev_t olddevice,
71322 + const ino_t newinode, const dev_t newdevice,
71323 + struct acl_role_label *role)
71324 +{
71325 + unsigned int index = gr_fhash(oldinode, olddevice, role->subj_hash_size);
71326 + struct acl_subject_label *match;
71327 +
71328 + match = role->subj_hash[index];
71329 +
71330 + while (match && (match->inode != oldinode ||
71331 + match->device != olddevice ||
71332 + !(match->mode & GR_DELETED)))
71333 + match = match->next;
71334 +
71335 + if (match && (match->inode == oldinode)
71336 + && (match->device == olddevice)
71337 + && (match->mode & GR_DELETED)) {
71338 + if (match->prev == NULL) {
71339 + role->subj_hash[index] = match->next;
71340 + if (match->next != NULL)
71341 + match->next->prev = NULL;
71342 + } else {
71343 + match->prev->next = match->next;
71344 + if (match->next != NULL)
71345 + match->next->prev = match->prev;
71346 + }
71347 + match->prev = NULL;
71348 + match->next = NULL;
71349 + match->inode = newinode;
71350 + match->device = newdevice;
71351 + match->mode &= ~GR_DELETED;
71352 +
71353 + insert_acl_subj_label(match, role);
71354 + }
71355 +
71356 + return;
71357 +}
71358 +
71359 +static void
71360 +update_inodev_entry(const ino_t oldinode, const dev_t olddevice,
71361 + const ino_t newinode, const dev_t newdevice)
71362 +{
71363 + unsigned int index = gr_fhash(oldinode, olddevice, running_polstate.inodev_set.i_size);
71364 + struct inodev_entry *match;
71365 +
71366 + match = running_polstate.inodev_set.i_hash[index];
71367 +
71368 + while (match && (match->nentry->inode != oldinode ||
71369 + match->nentry->device != olddevice || !match->nentry->deleted))
71370 + match = match->next;
71371 +
71372 + if (match && (match->nentry->inode == oldinode)
71373 + && (match->nentry->device == olddevice) &&
71374 + match->nentry->deleted) {
71375 + if (match->prev == NULL) {
71376 + running_polstate.inodev_set.i_hash[index] = match->next;
71377 + if (match->next != NULL)
71378 + match->next->prev = NULL;
71379 + } else {
71380 + match->prev->next = match->next;
71381 + if (match->next != NULL)
71382 + match->next->prev = match->prev;
71383 + }
71384 + match->prev = NULL;
71385 + match->next = NULL;
71386 + match->nentry->inode = newinode;
71387 + match->nentry->device = newdevice;
71388 + match->nentry->deleted = 0;
71389 +
71390 + insert_inodev_entry(match);
71391 + }
71392 +
71393 + return;
71394 +}
71395 +
71396 +static void
71397 +__do_handle_create(const struct name_entry *matchn, ino_t ino, dev_t dev)
71398 +{
71399 + struct acl_subject_label *subj;
71400 + struct acl_role_label *role;
71401 + unsigned int x;
71402 +
71403 + FOR_EACH_ROLE_START(role)
71404 + update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role);
71405 +
71406 + FOR_EACH_NESTED_SUBJECT_START(role, subj)
71407 + if ((subj->inode == ino) && (subj->device == dev)) {
71408 + subj->inode = ino;
71409 + subj->device = dev;
71410 + }
71411 + /* nested subjects aren't in the role's subj_hash table */
71412 + update_acl_obj_label(matchn->inode, matchn->device,
71413 + ino, dev, subj);
71414 + FOR_EACH_NESTED_SUBJECT_END(subj)
71415 + FOR_EACH_SUBJECT_START(role, subj, x)
71416 + update_acl_obj_label(matchn->inode, matchn->device,
71417 + ino, dev, subj);
71418 + FOR_EACH_SUBJECT_END(subj,x)
71419 + FOR_EACH_ROLE_END(role)
71420 +
71421 + update_inodev_entry(matchn->inode, matchn->device, ino, dev);
71422 +
71423 + return;
71424 +}
71425 +
71426 +static void
71427 +do_handle_create(const struct name_entry *matchn, const struct dentry *dentry,
71428 + const struct vfsmount *mnt)
71429 +{
71430 + ino_t ino = dentry->d_inode->i_ino;
71431 + dev_t dev = __get_dev(dentry);
71432 +
71433 + __do_handle_create(matchn, ino, dev);
71434 +
71435 + return;
71436 +}
71437 +
71438 +void
71439 +gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
71440 +{
71441 + struct name_entry *matchn;
71442 +
71443 + if (unlikely(!(gr_status & GR_READY)))
71444 + return;
71445 +
71446 + preempt_disable();
71447 + matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt));
71448 +
71449 + if (unlikely((unsigned long)matchn)) {
71450 + write_lock(&gr_inode_lock);
71451 + do_handle_create(matchn, dentry, mnt);
71452 + write_unlock(&gr_inode_lock);
71453 + }
71454 + preempt_enable();
71455 +
71456 + return;
71457 +}
71458 +
71459 +void
71460 +gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
71461 +{
71462 + struct name_entry *matchn;
71463 +
71464 + if (unlikely(!(gr_status & GR_READY)))
71465 + return;
71466 +
71467 + preempt_disable();
71468 + matchn = lookup_name_entry(gr_to_proc_filename_rbac(dentry, init_pid_ns.proc_mnt));
71469 +
71470 + if (unlikely((unsigned long)matchn)) {
71471 + write_lock(&gr_inode_lock);
71472 + __do_handle_create(matchn, inode->i_ino, inode->i_sb->s_dev);
71473 + write_unlock(&gr_inode_lock);
71474 + }
71475 + preempt_enable();
71476 +
71477 + return;
71478 +}
71479 +
71480 +void
71481 +gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
71482 + struct dentry *old_dentry,
71483 + struct dentry *new_dentry,
71484 + struct vfsmount *mnt, const __u8 replace, unsigned int flags)
71485 +{
71486 + struct name_entry *matchn;
71487 + struct name_entry *matchn2 = NULL;
71488 + struct inodev_entry *inodev;
71489 + struct inode *inode = new_dentry->d_inode;
71490 + ino_t old_ino = old_dentry->d_inode->i_ino;
71491 + dev_t old_dev = __get_dev(old_dentry);
71492 + unsigned int exchange = flags & RENAME_EXCHANGE;
71493 +
71494 + /* vfs_rename swaps the name and parent link for old_dentry and
71495 + new_dentry
71496 + at this point, old_dentry has the new name, parent link, and inode
71497 + for the renamed file
71498 + if a file is being replaced by a rename, new_dentry has the inode
71499 + and name for the replaced file
71500 + */
71501 +
71502 + if (unlikely(!(gr_status & GR_READY)))
71503 + return;
71504 +
71505 + preempt_disable();
71506 + matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt));
71507 +
71508 + /* exchange cases:
71509 + a filename exists for the source, but not dest
71510 + do a recreate on source
71511 + a filename exists for the dest, but not source
71512 + do a recreate on dest
71513 + a filename exists for both source and dest
71514 + delete source and dest, then create source and dest
71515 + a filename exists for neither source nor dest
71516 + no updates needed
71517 +
71518 + the name entry lookups get us the old inode/dev associated with
71519 + each name, so do the deletes first (if possible) so that when
71520 + we do the create, we pick up on the right entries
71521 + */
71522 +
71523 + if (exchange)
71524 + matchn2 = lookup_name_entry(gr_to_filename_rbac(new_dentry, mnt));
71525 +
71526 + /* we wouldn't have to check d_inode if it weren't for
71527 + NFS silly-renaming
71528 + */
71529 +
71530 + write_lock(&gr_inode_lock);
71531 + if (unlikely((replace || exchange) && inode)) {
71532 + ino_t new_ino = inode->i_ino;
71533 + dev_t new_dev = __get_dev(new_dentry);
71534 +
71535 + inodev = lookup_inodev_entry(new_ino, new_dev);
71536 + if (inodev != NULL && ((inode->i_nlink <= 1) || S_ISDIR(inode->i_mode)))
71537 + do_handle_delete(inodev, new_ino, new_dev);
71538 + }
71539 +
71540 + inodev = lookup_inodev_entry(old_ino, old_dev);
71541 + if (inodev != NULL && ((old_dentry->d_inode->i_nlink <= 1) || S_ISDIR(old_dentry->d_inode->i_mode)))
71542 + do_handle_delete(inodev, old_ino, old_dev);
71543 +
71544 + if (unlikely(matchn != NULL))
71545 + do_handle_create(matchn, old_dentry, mnt);
71546 +
71547 + if (unlikely(matchn2 != NULL))
71548 + do_handle_create(matchn2, new_dentry, mnt);
71549 +
71550 + write_unlock(&gr_inode_lock);
71551 + preempt_enable();
71552 +
71553 + return;
71554 +}
71555 +
71556 +#if defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC)
71557 +static const unsigned long res_learn_bumps[GR_NLIMITS] = {
71558 + [RLIMIT_CPU] = GR_RLIM_CPU_BUMP,
71559 + [RLIMIT_FSIZE] = GR_RLIM_FSIZE_BUMP,
71560 + [RLIMIT_DATA] = GR_RLIM_DATA_BUMP,
71561 + [RLIMIT_STACK] = GR_RLIM_STACK_BUMP,
71562 + [RLIMIT_CORE] = GR_RLIM_CORE_BUMP,
71563 + [RLIMIT_RSS] = GR_RLIM_RSS_BUMP,
71564 + [RLIMIT_NPROC] = GR_RLIM_NPROC_BUMP,
71565 + [RLIMIT_NOFILE] = GR_RLIM_NOFILE_BUMP,
71566 + [RLIMIT_MEMLOCK] = GR_RLIM_MEMLOCK_BUMP,
71567 + [RLIMIT_AS] = GR_RLIM_AS_BUMP,
71568 + [RLIMIT_LOCKS] = GR_RLIM_LOCKS_BUMP,
71569 + [RLIMIT_SIGPENDING] = GR_RLIM_SIGPENDING_BUMP,
71570 + [RLIMIT_MSGQUEUE] = GR_RLIM_MSGQUEUE_BUMP,
71571 + [RLIMIT_NICE] = GR_RLIM_NICE_BUMP,
71572 + [RLIMIT_RTPRIO] = GR_RLIM_RTPRIO_BUMP,
71573 + [RLIMIT_RTTIME] = GR_RLIM_RTTIME_BUMP
71574 +};
71575 +
71576 +void
71577 +gr_learn_resource(const struct task_struct *task,
71578 + const int res, const unsigned long wanted, const int gt)
71579 +{
71580 + struct acl_subject_label *acl;
71581 + const struct cred *cred;
71582 +
71583 + if (unlikely((gr_status & GR_READY) &&
71584 + task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))))
71585 + goto skip_reslog;
71586 +
71587 + gr_log_resource(task, res, wanted, gt);
71588 +skip_reslog:
71589 +
71590 + if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS))
71591 + return;
71592 +
71593 + acl = task->acl;
71594 +
71595 + if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) ||
71596 + !(acl->resmask & (1U << (unsigned short) res))))
71597 + return;
71598 +
71599 + if (wanted >= acl->res[res].rlim_cur) {
71600 + unsigned long res_add;
71601 +
71602 + res_add = wanted + res_learn_bumps[res];
71603 +
71604 + acl->res[res].rlim_cur = res_add;
71605 +
71606 + if (wanted > acl->res[res].rlim_max)
71607 + acl->res[res].rlim_max = res_add;
71608 +
71609 + /* only log the subject filename, since resource logging is supported for
71610 + single-subject learning only */
71611 + rcu_read_lock();
71612 + cred = __task_cred(task);
71613 + security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
71614 + task->role->roletype, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), acl->filename,
71615 + acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max,
71616 + "", (unsigned long) res, &task->signal->saved_ip);
71617 + rcu_read_unlock();
71618 + }
71619 +
71620 + return;
71621 +}
71622 +EXPORT_SYMBOL_GPL(gr_learn_resource);
71623 +#endif
71624 +
71625 +#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR))
71626 +void
71627 +pax_set_initial_flags(struct linux_binprm *bprm)
71628 +{
71629 + struct task_struct *task = current;
71630 + struct acl_subject_label *proc;
71631 + unsigned long flags;
71632 +
71633 + if (unlikely(!(gr_status & GR_READY)))
71634 + return;
71635 +
71636 + flags = pax_get_flags(task);
71637 +
71638 + proc = task->acl;
71639 +
71640 + if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC)
71641 + flags &= ~MF_PAX_PAGEEXEC;
71642 + if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC)
71643 + flags &= ~MF_PAX_SEGMEXEC;
71644 + if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP)
71645 + flags &= ~MF_PAX_RANDMMAP;
71646 + if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP)
71647 + flags &= ~MF_PAX_EMUTRAMP;
71648 + if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT)
71649 + flags &= ~MF_PAX_MPROTECT;
71650 +
71651 + if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC)
71652 + flags |= MF_PAX_PAGEEXEC;
71653 + if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC)
71654 + flags |= MF_PAX_SEGMEXEC;
71655 + if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP)
71656 + flags |= MF_PAX_RANDMMAP;
71657 + if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP)
71658 + flags |= MF_PAX_EMUTRAMP;
71659 + if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT)
71660 + flags |= MF_PAX_MPROTECT;
71661 +
71662 + pax_set_flags(task, flags);
71663 +
71664 + return;
71665 +}
71666 +#endif
71667 +
71668 +int
71669 +gr_handle_proc_ptrace(struct task_struct *task)
71670 +{
71671 + struct file *filp;
71672 + struct task_struct *tmp = task;
71673 + struct task_struct *curtemp = current;
71674 + __u32 retmode;
71675 +
71676 +#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
71677 + if (unlikely(!(gr_status & GR_READY)))
71678 + return 0;
71679 +#endif
71680 +
71681 + read_lock(&tasklist_lock);
71682 + read_lock(&grsec_exec_file_lock);
71683 + filp = task->exec_file;
71684 +
71685 + while (task_pid_nr(tmp) > 0) {
71686 + if (tmp == curtemp)
71687 + break;
71688 + tmp = tmp->real_parent;
71689 + }
71690 +
71691 + if (!filp || (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) ||
71692 + ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) {
71693 + read_unlock(&grsec_exec_file_lock);
71694 + read_unlock(&tasklist_lock);
71695 + return 1;
71696 + }
71697 +
71698 +#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
71699 + if (!(gr_status & GR_READY)) {
71700 + read_unlock(&grsec_exec_file_lock);
71701 + read_unlock(&tasklist_lock);
71702 + return 0;
71703 + }
71704 +#endif
71705 +
71706 + retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt);
71707 + read_unlock(&grsec_exec_file_lock);
71708 + read_unlock(&tasklist_lock);
71709 +
71710 + if (retmode & GR_NOPTRACE)
71711 + return 1;
71712 +
71713 + if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD)
71714 + && (current->acl != task->acl || (current->acl != current->role->root_label
71715 + && task_pid_nr(current) != task_pid_nr(task))))
71716 + return 1;
71717 +
71718 + return 0;
71719 +}
71720 +
71721 +void task_grsec_rbac(struct seq_file *m, struct task_struct *p)
71722 +{
71723 + if (unlikely(!(gr_status & GR_READY)))
71724 + return;
71725 +
71726 + if (!(current->role->roletype & GR_ROLE_GOD))
71727 + return;
71728 +
71729 + seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n",
71730 + p->role->rolename, gr_task_roletype_to_char(p),
71731 + p->acl->filename);
71732 +}
71733 +
71734 +int
71735 +gr_handle_ptrace(struct task_struct *task, const long request)
71736 +{
71737 + struct task_struct *tmp = task;
71738 + struct task_struct *curtemp = current;
71739 + __u32 retmode;
71740 +
71741 +#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE
71742 + if (unlikely(!(gr_status & GR_READY)))
71743 + return 0;
71744 +#endif
71745 + if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
71746 + read_lock(&tasklist_lock);
71747 + while (task_pid_nr(tmp) > 0) {
71748 + if (tmp == curtemp)
71749 + break;
71750 + tmp = tmp->real_parent;
71751 + }
71752 +
71753 + if (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) ||
71754 + ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) {
71755 + read_unlock(&tasklist_lock);
71756 + gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
71757 + return 1;
71758 + }
71759 + read_unlock(&tasklist_lock);
71760 + }
71761 +
71762 +#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
71763 + if (!(gr_status & GR_READY))
71764 + return 0;
71765 +#endif
71766 +
71767 + read_lock(&grsec_exec_file_lock);
71768 + if (unlikely(!task->exec_file)) {
71769 + read_unlock(&grsec_exec_file_lock);
71770 + return 0;
71771 + }
71772 +
71773 + retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt);
71774 + read_unlock(&grsec_exec_file_lock);
71775 +
71776 + if (retmode & GR_NOPTRACE) {
71777 + gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
71778 + return 1;
71779 + }
71780 +
71781 + if (retmode & GR_PTRACERD) {
71782 + switch (request) {
71783 + case PTRACE_SEIZE:
71784 + case PTRACE_POKETEXT:
71785 + case PTRACE_POKEDATA:
71786 + case PTRACE_POKEUSR:
71787 +#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64)
71788 + case PTRACE_SETREGS:
71789 + case PTRACE_SETFPREGS:
71790 +#endif
71791 +#ifdef CONFIG_X86
71792 + case PTRACE_SETFPXREGS:
71793 +#endif
71794 +#ifdef CONFIG_ALTIVEC
71795 + case PTRACE_SETVRREGS:
71796 +#endif
71797 + return 1;
71798 + default:
71799 + return 0;
71800 + }
71801 + } else if (!(current->acl->mode & GR_POVERRIDE) &&
71802 + !(current->role->roletype & GR_ROLE_GOD) &&
71803 + (current->acl != task->acl)) {
71804 + gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task);
71805 + return 1;
71806 + }
71807 +
71808 + return 0;
71809 +}
71810 +
71811 +static int is_writable_mmap(const struct file *filp)
71812 +{
71813 + struct task_struct *task = current;
71814 + struct acl_object_label *obj, *obj2;
71815 +
71816 + if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) &&
71817 + !task->is_writable && S_ISREG(filp->f_path.dentry->d_inode->i_mode) && (filp->f_path.mnt != shm_mnt || (filp->f_path.dentry->d_inode->i_nlink > 0))) {
71818 + obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label);
71819 + obj2 = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt,
71820 + task->role->root_label);
71821 + if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) {
71822 + gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, filp->f_path.dentry, filp->f_path.mnt);
71823 + return 1;
71824 + }
71825 + }
71826 + return 0;
71827 +}
71828 +
71829 +int
71830 +gr_acl_handle_mmap(const struct file *file, const unsigned long prot)
71831 +{
71832 + __u32 mode;
71833 +
71834 + if (unlikely(!file || !(prot & PROT_EXEC)))
71835 + return 1;
71836 +
71837 + if (is_writable_mmap(file))
71838 + return 0;
71839 +
71840 + mode =
71841 + gr_search_file(file->f_path.dentry,
71842 + GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
71843 + file->f_path.mnt);
71844 +
71845 + if (!gr_tpe_allow(file))
71846 + return 0;
71847 +
71848 + if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
71849 + gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
71850 + return 0;
71851 + } else if (unlikely(!(mode & GR_EXEC))) {
71852 + return 0;
71853 + } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
71854 + gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
71855 + return 1;
71856 + }
71857 +
71858 + return 1;
71859 +}
71860 +
71861 +int
71862 +gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
71863 +{
71864 + __u32 mode;
71865 +
71866 + if (unlikely(!file || !(prot & PROT_EXEC)))
71867 + return 1;
71868 +
71869 + if (is_writable_mmap(file))
71870 + return 0;
71871 +
71872 + mode =
71873 + gr_search_file(file->f_path.dentry,
71874 + GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS,
71875 + file->f_path.mnt);
71876 +
71877 + if (!gr_tpe_allow(file))
71878 + return 0;
71879 +
71880 + if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) {
71881 + gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
71882 + return 0;
71883 + } else if (unlikely(!(mode & GR_EXEC))) {
71884 + return 0;
71885 + } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) {
71886 + gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt);
71887 + return 1;
71888 + }
71889 +
71890 + return 1;
71891 +}
71892 +
71893 +void
71894 +gr_acl_handle_psacct(struct task_struct *task, const long code)
71895 +{
71896 + unsigned long runtime, cputime;
71897 + cputime_t utime, stime;
71898 + unsigned int wday, cday;
71899 + __u8 whr, chr;
71900 + __u8 wmin, cmin;
71901 + __u8 wsec, csec;
71902 + struct timespec curtime, starttime;
71903 +
71904 + if (unlikely(!(gr_status & GR_READY) || !task->acl ||
71905 + !(task->acl->mode & GR_PROCACCT)))
71906 + return;
71907 +
71908 + curtime = ns_to_timespec(ktime_get_ns());
71909 + starttime = ns_to_timespec(task->start_time);
71910 + runtime = curtime.tv_sec - starttime.tv_sec;
71911 + wday = runtime / (60 * 60 * 24);
71912 + runtime -= wday * (60 * 60 * 24);
71913 + whr = runtime / (60 * 60);
71914 + runtime -= whr * (60 * 60);
71915 + wmin = runtime / 60;
71916 + runtime -= wmin * 60;
71917 + wsec = runtime;
71918 +
71919 + task_cputime(task, &utime, &stime);
71920 + cputime = cputime_to_secs(utime + stime);
71921 + cday = cputime / (60 * 60 * 24);
71922 + cputime -= cday * (60 * 60 * 24);
71923 + chr = cputime / (60 * 60);
71924 + cputime -= chr * (60 * 60);
71925 + cmin = cputime / 60;
71926 + cputime -= cmin * 60;
71927 + csec = cputime;
71928 +
71929 + gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code);
71930 +
71931 + return;
71932 +}
71933 +
71934 +#ifdef CONFIG_TASKSTATS
71935 +int gr_is_taskstats_denied(int pid)
71936 +{
71937 + struct task_struct *task;
71938 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
71939 + const struct cred *cred;
71940 +#endif
71941 + int ret = 0;
71942 +
71943 + /* restrict taskstats viewing to un-chrooted root users
71944 + who have the 'view' subject flag if the RBAC system is enabled
71945 + */
71946 +
71947 + rcu_read_lock();
71948 + read_lock(&tasklist_lock);
71949 + task = find_task_by_vpid(pid);
71950 + if (task) {
71951 +#ifdef CONFIG_GRKERNSEC_CHROOT
71952 + if (proc_is_chrooted(task))
71953 + ret = -EACCES;
71954 +#endif
71955 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
71956 + cred = __task_cred(task);
71957 +#ifdef CONFIG_GRKERNSEC_PROC_USER
71958 + if (gr_is_global_nonroot(cred->uid))
71959 + ret = -EACCES;
71960 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
71961 + if (gr_is_global_nonroot(cred->uid) && !groups_search(cred->group_info, grsec_proc_gid))
71962 + ret = -EACCES;
71963 +#endif
71964 +#endif
71965 + if (gr_status & GR_READY) {
71966 + if (!(task->acl->mode & GR_VIEW))
71967 + ret = -EACCES;
71968 + }
71969 + } else
71970 + ret = -ENOENT;
71971 +
71972 + read_unlock(&tasklist_lock);
71973 + rcu_read_unlock();
71974 +
71975 + return ret;
71976 +}
71977 +#endif
71978 +
71979 +/* AUXV entries are filled via a descendant of search_binary_handler
71980 + after we've already applied the subject for the target
71981 +*/
71982 +int gr_acl_enable_at_secure(void)
71983 +{
71984 + if (unlikely(!(gr_status & GR_READY)))
71985 + return 0;
71986 +
71987 + if (current->acl->mode & GR_ATSECURE)
71988 + return 1;
71989 +
71990 + return 0;
71991 +}
71992 +
71993 +int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const ino_t ino)
71994 +{
71995 + struct task_struct *task = current;
71996 + struct dentry *dentry = file->f_path.dentry;
71997 + struct vfsmount *mnt = file->f_path.mnt;
71998 + struct acl_object_label *obj, *tmp;
71999 + struct acl_subject_label *subj;
72000 + unsigned int bufsize;
72001 + int is_not_root;
72002 + char *path;
72003 + dev_t dev = __get_dev(dentry);
72004 +
72005 + if (unlikely(!(gr_status & GR_READY)))
72006 + return 1;
72007 +
72008 + if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN))
72009 + return 1;
72010 +
72011 + /* ignore Eric Biederman */
72012 + if (IS_PRIVATE(dentry->d_inode))
72013 + return 1;
72014 +
72015 + subj = task->acl;
72016 + read_lock(&gr_inode_lock);
72017 + do {
72018 + obj = lookup_acl_obj_label(ino, dev, subj);
72019 + if (obj != NULL) {
72020 + read_unlock(&gr_inode_lock);
72021 + return (obj->mode & GR_FIND) ? 1 : 0;
72022 + }
72023 + } while ((subj = subj->parent_subject));
72024 + read_unlock(&gr_inode_lock);
72025 +
72026 + /* this is purely an optimization since we're looking for an object
72027 + for the directory we're doing a readdir on
72028 + if it's possible for any globbed object to match the entry we're
72029 + filling into the directory, then the object we find here will be
72030 + an anchor point with attached globbed objects
72031 + */
72032 + obj = chk_obj_label_noglob(dentry, mnt, task->acl);
72033 + if (obj->globbed == NULL)
72034 + return (obj->mode & GR_FIND) ? 1 : 0;
72035 +
72036 + is_not_root = ((obj->filename[0] == '/') &&
72037 + (obj->filename[1] == '\0')) ? 0 : 1;
72038 + bufsize = PAGE_SIZE - namelen - is_not_root;
72039 +
72040 + /* check bufsize > PAGE_SIZE || bufsize == 0 */
72041 + if (unlikely((bufsize - 1) > (PAGE_SIZE - 1)))
72042 + return 1;
72043 +
72044 + preempt_disable();
72045 + path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()),
72046 + bufsize);
72047 +
72048 + bufsize = strlen(path);
72049 +
72050 + /* if base is "/", don't append an additional slash */
72051 + if (is_not_root)
72052 + *(path + bufsize) = '/';
72053 + memcpy(path + bufsize + is_not_root, name, namelen);
72054 + *(path + bufsize + namelen + is_not_root) = '\0';
72055 +
72056 + tmp = obj->globbed;
72057 + while (tmp) {
72058 + if (!glob_match(tmp->filename, path)) {
72059 + preempt_enable();
72060 + return (tmp->mode & GR_FIND) ? 1 : 0;
72061 + }
72062 + tmp = tmp->next;
72063 + }
72064 + preempt_enable();
72065 + return (obj->mode & GR_FIND) ? 1 : 0;
72066 +}
72067 +
72068 +void gr_put_exec_file(struct task_struct *task)
72069 +{
72070 + struct file *filp;
72071 +
72072 + write_lock(&grsec_exec_file_lock);
72073 + filp = task->exec_file;
72074 + task->exec_file = NULL;
72075 + write_unlock(&grsec_exec_file_lock);
72076 +
72077 + if (filp)
72078 + fput(filp);
72079 +
72080 + return;
72081 +}
72082 +
72083 +
72084 +#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE
72085 +EXPORT_SYMBOL_GPL(gr_acl_is_enabled);
72086 +#endif
72087 +#ifdef CONFIG_SECURITY
72088 +EXPORT_SYMBOL_GPL(gr_check_user_change);
72089 +EXPORT_SYMBOL_GPL(gr_check_group_change);
72090 +#endif
72091 +
72092 diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c
72093 new file mode 100644
72094 index 0000000..18ffbbd
72095 --- /dev/null
72096 +++ b/grsecurity/gracl_alloc.c
72097 @@ -0,0 +1,105 @@
72098 +#include <linux/kernel.h>
72099 +#include <linux/mm.h>
72100 +#include <linux/slab.h>
72101 +#include <linux/vmalloc.h>
72102 +#include <linux/gracl.h>
72103 +#include <linux/grsecurity.h>
72104 +
72105 +static struct gr_alloc_state __current_alloc_state = { 1, 1, NULL };
72106 +struct gr_alloc_state *current_alloc_state = &__current_alloc_state;
72107 +
72108 +static __inline__ int
72109 +alloc_pop(void)
72110 +{
72111 + if (current_alloc_state->alloc_stack_next == 1)
72112 + return 0;
72113 +
72114 + kfree(current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 2]);
72115 +
72116 + current_alloc_state->alloc_stack_next--;
72117 +
72118 + return 1;
72119 +}
72120 +
72121 +static __inline__ int
72122 +alloc_push(void *buf)
72123 +{
72124 + if (current_alloc_state->alloc_stack_next >= current_alloc_state->alloc_stack_size)
72125 + return 1;
72126 +
72127 + current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 1] = buf;
72128 +
72129 + current_alloc_state->alloc_stack_next++;
72130 +
72131 + return 0;
72132 +}
72133 +
72134 +void *
72135 +acl_alloc(unsigned long len)
72136 +{
72137 + void *ret = NULL;
72138 +
72139 + if (!len || len > PAGE_SIZE)
72140 + goto out;
72141 +
72142 + ret = kmalloc(len, GFP_KERNEL);
72143 +
72144 + if (ret) {
72145 + if (alloc_push(ret)) {
72146 + kfree(ret);
72147 + ret = NULL;
72148 + }
72149 + }
72150 +
72151 +out:
72152 + return ret;
72153 +}
72154 +
72155 +void *
72156 +acl_alloc_num(unsigned long num, unsigned long len)
72157 +{
72158 + if (!len || (num > (PAGE_SIZE / len)))
72159 + return NULL;
72160 +
72161 + return acl_alloc(num * len);
72162 +}
72163 +
72164 +void
72165 +acl_free_all(void)
72166 +{
72167 + if (!current_alloc_state->alloc_stack)
72168 + return;
72169 +
72170 + while (alloc_pop()) ;
72171 +
72172 + if (current_alloc_state->alloc_stack) {
72173 + if ((current_alloc_state->alloc_stack_size * sizeof (void *)) <= PAGE_SIZE)
72174 + kfree(current_alloc_state->alloc_stack);
72175 + else
72176 + vfree(current_alloc_state->alloc_stack);
72177 + }
72178 +
72179 + current_alloc_state->alloc_stack = NULL;
72180 + current_alloc_state->alloc_stack_size = 1;
72181 + current_alloc_state->alloc_stack_next = 1;
72182 +
72183 + return;
72184 +}
72185 +
72186 +int
72187 +acl_alloc_stack_init(unsigned long size)
72188 +{
72189 + if ((size * sizeof (void *)) <= PAGE_SIZE)
72190 + current_alloc_state->alloc_stack =
72191 + (void **) kmalloc(size * sizeof (void *), GFP_KERNEL);
72192 + else
72193 + current_alloc_state->alloc_stack = (void **) vmalloc(size * sizeof (void *));
72194 +
72195 + current_alloc_state->alloc_stack_size = size;
72196 + current_alloc_state->alloc_stack_next = 1;
72197 +
72198 + if (!current_alloc_state->alloc_stack)
72199 + return 0;
72200 + else
72201 + return 1;
72202 +}
72203 diff --git a/grsecurity/gracl_cap.c b/grsecurity/gracl_cap.c
72204 new file mode 100644
72205 index 0000000..1a94c11
72206 --- /dev/null
72207 +++ b/grsecurity/gracl_cap.c
72208 @@ -0,0 +1,127 @@
72209 +#include <linux/kernel.h>
72210 +#include <linux/module.h>
72211 +#include <linux/sched.h>
72212 +#include <linux/gracl.h>
72213 +#include <linux/grsecurity.h>
72214 +#include <linux/grinternal.h>
72215 +
72216 +extern const char *captab_log[];
72217 +extern int captab_log_entries;
72218 +
72219 +int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap)
72220 +{
72221 + struct acl_subject_label *curracl;
72222 +
72223 + if (!gr_acl_is_enabled())
72224 + return 1;
72225 +
72226 + curracl = task->acl;
72227 +
72228 + if (curracl->mode & (GR_LEARN | GR_INHERITLEARN)) {
72229 + security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename,
72230 + task->role->roletype, GR_GLOBAL_UID(cred->uid),
72231 + GR_GLOBAL_GID(cred->gid), task->exec_file ?
72232 + gr_to_filename(task->exec_file->f_path.dentry,
72233 + task->exec_file->f_path.mnt) : curracl->filename,
72234 + curracl->filename, 0UL,
72235 + 0UL, "", (unsigned long) cap, &task->signal->saved_ip);
72236 + return 1;
72237 + }
72238 +
72239 + return 0;
72240 +}
72241 +
72242 +int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
72243 +{
72244 + struct acl_subject_label *curracl;
72245 + kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
72246 + kernel_cap_t cap_audit = __cap_empty_set;
72247 +
72248 + if (!gr_acl_is_enabled())
72249 + return 1;
72250 +
72251 + curracl = task->acl;
72252 +
72253 + cap_drop = curracl->cap_lower;
72254 + cap_mask = curracl->cap_mask;
72255 + cap_audit = curracl->cap_invert_audit;
72256 +
72257 + while ((curracl = curracl->parent_subject)) {
72258 + /* if the cap isn't specified in the current computed mask but is specified in the
72259 + current level subject, and is lowered in the current level subject, then add
72260 + it to the set of dropped capabilities
72261 + otherwise, add the current level subject's mask to the current computed mask
72262 + */
72263 + if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
72264 + cap_raise(cap_mask, cap);
72265 + if (cap_raised(curracl->cap_lower, cap))
72266 + cap_raise(cap_drop, cap);
72267 + if (cap_raised(curracl->cap_invert_audit, cap))
72268 + cap_raise(cap_audit, cap);
72269 + }
72270 + }
72271 +
72272 + if (!cap_raised(cap_drop, cap)) {
72273 + if (cap_raised(cap_audit, cap))
72274 + gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]);
72275 + return 1;
72276 + }
72277 +
72278 + /* only learn the capability use if the process has the capability in the
72279 + general case, the two uses in sys.c of gr_learn_cap are an exception
72280 + to this rule to ensure any role transition involves what the full-learned
72281 + policy believes in a privileged process
72282 + */
72283 + if (cap_raised(cred->cap_effective, cap) && gr_learn_cap(task, cred, cap))
72284 + return 1;
72285 +
72286 + if ((cap >= 0) && (cap < captab_log_entries) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap))
72287 + gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]);
72288 +
72289 + return 0;
72290 +}
72291 +
72292 +int
72293 +gr_acl_is_capable(const int cap)
72294 +{
72295 + return gr_task_acl_is_capable(current, current_cred(), cap);
72296 +}
72297 +
72298 +int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap)
72299 +{
72300 + struct acl_subject_label *curracl;
72301 + kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set;
72302 +
72303 + if (!gr_acl_is_enabled())
72304 + return 1;
72305 +
72306 + curracl = task->acl;
72307 +
72308 + cap_drop = curracl->cap_lower;
72309 + cap_mask = curracl->cap_mask;
72310 +
72311 + while ((curracl = curracl->parent_subject)) {
72312 + /* if the cap isn't specified in the current computed mask but is specified in the
72313 + current level subject, and is lowered in the current level subject, then add
72314 + it to the set of dropped capabilities
72315 + otherwise, add the current level subject's mask to the current computed mask
72316 + */
72317 + if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) {
72318 + cap_raise(cap_mask, cap);
72319 + if (cap_raised(curracl->cap_lower, cap))
72320 + cap_raise(cap_drop, cap);
72321 + }
72322 + }
72323 +
72324 + if (!cap_raised(cap_drop, cap))
72325 + return 1;
72326 +
72327 + return 0;
72328 +}
72329 +
72330 +int
72331 +gr_acl_is_capable_nolog(const int cap)
72332 +{
72333 + return gr_task_acl_is_capable_nolog(current, cap);
72334 +}
72335 +
72336 diff --git a/grsecurity/gracl_compat.c b/grsecurity/gracl_compat.c
72337 new file mode 100644
72338 index 0000000..ca25605
72339 --- /dev/null
72340 +++ b/grsecurity/gracl_compat.c
72341 @@ -0,0 +1,270 @@
72342 +#include <linux/kernel.h>
72343 +#include <linux/gracl.h>
72344 +#include <linux/compat.h>
72345 +#include <linux/gracl_compat.h>
72346 +
72347 +#include <asm/uaccess.h>
72348 +
72349 +int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap)
72350 +{
72351 + struct gr_arg_wrapper_compat uwrapcompat;
72352 +
72353 + if (copy_from_user(&uwrapcompat, buf, sizeof(uwrapcompat)))
72354 + return -EFAULT;
72355 +
72356 + if (((uwrapcompat.version != GRSECURITY_VERSION) &&
72357 + (uwrapcompat.version != 0x2901)) ||
72358 + (uwrapcompat.size != sizeof(struct gr_arg_compat)))
72359 + return -EINVAL;
72360 +
72361 + uwrap->arg = compat_ptr(uwrapcompat.arg);
72362 + uwrap->version = uwrapcompat.version;
72363 + uwrap->size = sizeof(struct gr_arg);
72364 +
72365 + return 0;
72366 +}
72367 +
72368 +int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg)
72369 +{
72370 + struct gr_arg_compat argcompat;
72371 +
72372 + if (copy_from_user(&argcompat, buf, sizeof(argcompat)))
72373 + return -EFAULT;
72374 +
72375 + arg->role_db.r_table = compat_ptr(argcompat.role_db.r_table);
72376 + arg->role_db.num_pointers = argcompat.role_db.num_pointers;
72377 + arg->role_db.num_roles = argcompat.role_db.num_roles;
72378 + arg->role_db.num_domain_children = argcompat.role_db.num_domain_children;
72379 + arg->role_db.num_subjects = argcompat.role_db.num_subjects;
72380 + arg->role_db.num_objects = argcompat.role_db.num_objects;
72381 +
72382 + memcpy(&arg->pw, &argcompat.pw, sizeof(arg->pw));
72383 + memcpy(&arg->salt, &argcompat.salt, sizeof(arg->salt));
72384 + memcpy(&arg->sum, &argcompat.sum, sizeof(arg->sum));
72385 + memcpy(&arg->sp_role, &argcompat.sp_role, sizeof(arg->sp_role));
72386 + arg->sprole_pws = compat_ptr(argcompat.sprole_pws);
72387 + arg->segv_device = argcompat.segv_device;
72388 + arg->segv_inode = argcompat.segv_inode;
72389 + arg->segv_uid = argcompat.segv_uid;
72390 + arg->num_sprole_pws = argcompat.num_sprole_pws;
72391 + arg->mode = argcompat.mode;
72392 +
72393 + return 0;
72394 +}
72395 +
72396 +int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp)
72397 +{
72398 + struct acl_object_label_compat objcompat;
72399 +
72400 + if (copy_from_user(&objcompat, userp, sizeof(objcompat)))
72401 + return -EFAULT;
72402 +
72403 + obj->filename = compat_ptr(objcompat.filename);
72404 + obj->inode = objcompat.inode;
72405 + obj->device = objcompat.device;
72406 + obj->mode = objcompat.mode;
72407 +
72408 + obj->nested = compat_ptr(objcompat.nested);
72409 + obj->globbed = compat_ptr(objcompat.globbed);
72410 +
72411 + obj->prev = compat_ptr(objcompat.prev);
72412 + obj->next = compat_ptr(objcompat.next);
72413 +
72414 + return 0;
72415 +}
72416 +
72417 +int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp)
72418 +{
72419 + unsigned int i;
72420 + struct acl_subject_label_compat subjcompat;
72421 +
72422 + if (copy_from_user(&subjcompat, userp, sizeof(subjcompat)))
72423 + return -EFAULT;
72424 +
72425 + subj->filename = compat_ptr(subjcompat.filename);
72426 + subj->inode = subjcompat.inode;
72427 + subj->device = subjcompat.device;
72428 + subj->mode = subjcompat.mode;
72429 + subj->cap_mask = subjcompat.cap_mask;
72430 + subj->cap_lower = subjcompat.cap_lower;
72431 + subj->cap_invert_audit = subjcompat.cap_invert_audit;
72432 +
72433 + for (i = 0; i < GR_NLIMITS; i++) {
72434 + if (subjcompat.res[i].rlim_cur == COMPAT_RLIM_INFINITY)
72435 + subj->res[i].rlim_cur = RLIM_INFINITY;
72436 + else
72437 + subj->res[i].rlim_cur = subjcompat.res[i].rlim_cur;
72438 + if (subjcompat.res[i].rlim_max == COMPAT_RLIM_INFINITY)
72439 + subj->res[i].rlim_max = RLIM_INFINITY;
72440 + else
72441 + subj->res[i].rlim_max = subjcompat.res[i].rlim_max;
72442 + }
72443 + subj->resmask = subjcompat.resmask;
72444 +
72445 + subj->user_trans_type = subjcompat.user_trans_type;
72446 + subj->group_trans_type = subjcompat.group_trans_type;
72447 + subj->user_transitions = compat_ptr(subjcompat.user_transitions);
72448 + subj->group_transitions = compat_ptr(subjcompat.group_transitions);
72449 + subj->user_trans_num = subjcompat.user_trans_num;
72450 + subj->group_trans_num = subjcompat.group_trans_num;
72451 +
72452 + memcpy(&subj->sock_families, &subjcompat.sock_families, sizeof(subj->sock_families));
72453 + memcpy(&subj->ip_proto, &subjcompat.ip_proto, sizeof(subj->ip_proto));
72454 + subj->ip_type = subjcompat.ip_type;
72455 + subj->ips = compat_ptr(subjcompat.ips);
72456 + subj->ip_num = subjcompat.ip_num;
72457 + subj->inaddr_any_override = subjcompat.inaddr_any_override;
72458 +
72459 + subj->crashes = subjcompat.crashes;
72460 + subj->expires = subjcompat.expires;
72461 +
72462 + subj->parent_subject = compat_ptr(subjcompat.parent_subject);
72463 + subj->hash = compat_ptr(subjcompat.hash);
72464 + subj->prev = compat_ptr(subjcompat.prev);
72465 + subj->next = compat_ptr(subjcompat.next);
72466 +
72467 + subj->obj_hash = compat_ptr(subjcompat.obj_hash);
72468 + subj->obj_hash_size = subjcompat.obj_hash_size;
72469 + subj->pax_flags = subjcompat.pax_flags;
72470 +
72471 + return 0;
72472 +}
72473 +
72474 +int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp)
72475 +{
72476 + struct acl_role_label_compat rolecompat;
72477 +
72478 + if (copy_from_user(&rolecompat, userp, sizeof(rolecompat)))
72479 + return -EFAULT;
72480 +
72481 + role->rolename = compat_ptr(rolecompat.rolename);
72482 + role->uidgid = rolecompat.uidgid;
72483 + role->roletype = rolecompat.roletype;
72484 +
72485 + role->auth_attempts = rolecompat.auth_attempts;
72486 + role->expires = rolecompat.expires;
72487 +
72488 + role->root_label = compat_ptr(rolecompat.root_label);
72489 + role->hash = compat_ptr(rolecompat.hash);
72490 +
72491 + role->prev = compat_ptr(rolecompat.prev);
72492 + role->next = compat_ptr(rolecompat.next);
72493 +
72494 + role->transitions = compat_ptr(rolecompat.transitions);
72495 + role->allowed_ips = compat_ptr(rolecompat.allowed_ips);
72496 + role->domain_children = compat_ptr(rolecompat.domain_children);
72497 + role->domain_child_num = rolecompat.domain_child_num;
72498 +
72499 + role->umask = rolecompat.umask;
72500 +
72501 + role->subj_hash = compat_ptr(rolecompat.subj_hash);
72502 + role->subj_hash_size = rolecompat.subj_hash_size;
72503 +
72504 + return 0;
72505 +}
72506 +
72507 +int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp)
72508 +{
72509 + struct role_allowed_ip_compat roleip_compat;
72510 +
72511 + if (copy_from_user(&roleip_compat, userp, sizeof(roleip_compat)))
72512 + return -EFAULT;
72513 +
72514 + roleip->addr = roleip_compat.addr;
72515 + roleip->netmask = roleip_compat.netmask;
72516 +
72517 + roleip->prev = compat_ptr(roleip_compat.prev);
72518 + roleip->next = compat_ptr(roleip_compat.next);
72519 +
72520 + return 0;
72521 +}
72522 +
72523 +int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp)
72524 +{
72525 + struct role_transition_compat trans_compat;
72526 +
72527 + if (copy_from_user(&trans_compat, userp, sizeof(trans_compat)))
72528 + return -EFAULT;
72529 +
72530 + trans->rolename = compat_ptr(trans_compat.rolename);
72531 +
72532 + trans->prev = compat_ptr(trans_compat.prev);
72533 + trans->next = compat_ptr(trans_compat.next);
72534 +
72535 + return 0;
72536 +
72537 +}
72538 +
72539 +int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp)
72540 +{
72541 + struct gr_hash_struct_compat hash_compat;
72542 +
72543 + if (copy_from_user(&hash_compat, userp, sizeof(hash_compat)))
72544 + return -EFAULT;
72545 +
72546 + hash->table = compat_ptr(hash_compat.table);
72547 + hash->nametable = compat_ptr(hash_compat.nametable);
72548 + hash->first = compat_ptr(hash_compat.first);
72549 +
72550 + hash->table_size = hash_compat.table_size;
72551 + hash->used_size = hash_compat.used_size;
72552 +
72553 + hash->type = hash_compat.type;
72554 +
72555 + return 0;
72556 +}
72557 +
72558 +int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp)
72559 +{
72560 + compat_uptr_t ptrcompat;
72561 +
72562 + if (copy_from_user(&ptrcompat, userp + (idx * sizeof(ptrcompat)), sizeof(ptrcompat)))
72563 + return -EFAULT;
72564 +
72565 + *(void **)ptr = compat_ptr(ptrcompat);
72566 +
72567 + return 0;
72568 +}
72569 +
72570 +int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp)
72571 +{
72572 + struct acl_ip_label_compat ip_compat;
72573 +
72574 + if (copy_from_user(&ip_compat, userp, sizeof(ip_compat)))
72575 + return -EFAULT;
72576 +
72577 + ip->iface = compat_ptr(ip_compat.iface);
72578 + ip->addr = ip_compat.addr;
72579 + ip->netmask = ip_compat.netmask;
72580 + ip->low = ip_compat.low;
72581 + ip->high = ip_compat.high;
72582 + ip->mode = ip_compat.mode;
72583 + ip->type = ip_compat.type;
72584 +
72585 + memcpy(&ip->proto, &ip_compat.proto, sizeof(ip->proto));
72586 +
72587 + ip->prev = compat_ptr(ip_compat.prev);
72588 + ip->next = compat_ptr(ip_compat.next);
72589 +
72590 + return 0;
72591 +}
72592 +
72593 +int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp)
72594 +{
72595 + struct sprole_pw_compat pw_compat;
72596 +
72597 + if (copy_from_user(&pw_compat, (const void *)userp + (sizeof(pw_compat) * idx), sizeof(pw_compat)))
72598 + return -EFAULT;
72599 +
72600 + pw->rolename = compat_ptr(pw_compat.rolename);
72601 + memcpy(&pw->salt, pw_compat.salt, sizeof(pw->salt));
72602 + memcpy(&pw->sum, pw_compat.sum, sizeof(pw->sum));
72603 +
72604 + return 0;
72605 +}
72606 +
72607 +size_t get_gr_arg_wrapper_size_compat(void)
72608 +{
72609 + return sizeof(struct gr_arg_wrapper_compat);
72610 +}
72611 +
72612 diff --git a/grsecurity/gracl_fs.c b/grsecurity/gracl_fs.c
72613 new file mode 100644
72614 index 0000000..8ee8e4f
72615 --- /dev/null
72616 +++ b/grsecurity/gracl_fs.c
72617 @@ -0,0 +1,447 @@
72618 +#include <linux/kernel.h>
72619 +#include <linux/sched.h>
72620 +#include <linux/types.h>
72621 +#include <linux/fs.h>
72622 +#include <linux/file.h>
72623 +#include <linux/stat.h>
72624 +#include <linux/grsecurity.h>
72625 +#include <linux/grinternal.h>
72626 +#include <linux/gracl.h>
72627 +
72628 +umode_t
72629 +gr_acl_umask(void)
72630 +{
72631 + if (unlikely(!gr_acl_is_enabled()))
72632 + return 0;
72633 +
72634 + return current->role->umask;
72635 +}
72636 +
72637 +__u32
72638 +gr_acl_handle_hidden_file(const struct dentry * dentry,
72639 + const struct vfsmount * mnt)
72640 +{
72641 + __u32 mode;
72642 +
72643 + if (unlikely(d_is_negative(dentry)))
72644 + return GR_FIND;
72645 +
72646 + mode =
72647 + gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt);
72648 +
72649 + if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) {
72650 + gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
72651 + return mode;
72652 + } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) {
72653 + gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt);
72654 + return 0;
72655 + } else if (unlikely(!(mode & GR_FIND)))
72656 + return 0;
72657 +
72658 + return GR_FIND;
72659 +}
72660 +
72661 +__u32
72662 +gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
72663 + int acc_mode)
72664 +{
72665 + __u32 reqmode = GR_FIND;
72666 + __u32 mode;
72667 +
72668 + if (unlikely(d_is_negative(dentry)))
72669 + return reqmode;
72670 +
72671 + if (acc_mode & MAY_APPEND)
72672 + reqmode |= GR_APPEND;
72673 + else if (acc_mode & MAY_WRITE)
72674 + reqmode |= GR_WRITE;
72675 + if ((acc_mode & MAY_READ) && !S_ISDIR(dentry->d_inode->i_mode))
72676 + reqmode |= GR_READ;
72677 +
72678 + mode =
72679 + gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
72680 + mnt);
72681 +
72682 + if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
72683 + gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
72684 + reqmode & GR_READ ? " reading" : "",
72685 + reqmode & GR_WRITE ? " writing" : reqmode &
72686 + GR_APPEND ? " appending" : "");
72687 + return reqmode;
72688 + } else
72689 + if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
72690 + {
72691 + gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt,
72692 + reqmode & GR_READ ? " reading" : "",
72693 + reqmode & GR_WRITE ? " writing" : reqmode &
72694 + GR_APPEND ? " appending" : "");
72695 + return 0;
72696 + } else if (unlikely((mode & reqmode) != reqmode))
72697 + return 0;
72698 +
72699 + return reqmode;
72700 +}
72701 +
72702 +__u32
72703 +gr_acl_handle_creat(const struct dentry * dentry,
72704 + const struct dentry * p_dentry,
72705 + const struct vfsmount * p_mnt, int open_flags, int acc_mode,
72706 + const int imode)
72707 +{
72708 + __u32 reqmode = GR_WRITE | GR_CREATE;
72709 + __u32 mode;
72710 +
72711 + if (acc_mode & MAY_APPEND)
72712 + reqmode |= GR_APPEND;
72713 + // if a directory was required or the directory already exists, then
72714 + // don't count this open as a read
72715 + if ((acc_mode & MAY_READ) &&
72716 + !((open_flags & O_DIRECTORY) || (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode))))
72717 + reqmode |= GR_READ;
72718 + if ((open_flags & O_CREAT) &&
72719 + ((imode & S_ISUID) || ((imode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
72720 + reqmode |= GR_SETID;
72721 +
72722 + mode =
72723 + gr_check_create(dentry, p_dentry, p_mnt,
72724 + reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
72725 +
72726 + if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
72727 + gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
72728 + reqmode & GR_READ ? " reading" : "",
72729 + reqmode & GR_WRITE ? " writing" : reqmode &
72730 + GR_APPEND ? " appending" : "");
72731 + return reqmode;
72732 + } else
72733 + if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
72734 + {
72735 + gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt,
72736 + reqmode & GR_READ ? " reading" : "",
72737 + reqmode & GR_WRITE ? " writing" : reqmode &
72738 + GR_APPEND ? " appending" : "");
72739 + return 0;
72740 + } else if (unlikely((mode & reqmode) != reqmode))
72741 + return 0;
72742 +
72743 + return reqmode;
72744 +}
72745 +
72746 +__u32
72747 +gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt,
72748 + const int fmode)
72749 +{
72750 + __u32 mode, reqmode = GR_FIND;
72751 +
72752 + if ((fmode & S_IXOTH) && !S_ISDIR(dentry->d_inode->i_mode))
72753 + reqmode |= GR_EXEC;
72754 + if (fmode & S_IWOTH)
72755 + reqmode |= GR_WRITE;
72756 + if (fmode & S_IROTH)
72757 + reqmode |= GR_READ;
72758 +
72759 + mode =
72760 + gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS,
72761 + mnt);
72762 +
72763 + if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) {
72764 + gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
72765 + reqmode & GR_READ ? " reading" : "",
72766 + reqmode & GR_WRITE ? " writing" : "",
72767 + reqmode & GR_EXEC ? " executing" : "");
72768 + return reqmode;
72769 + } else
72770 + if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS)))
72771 + {
72772 + gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt,
72773 + reqmode & GR_READ ? " reading" : "",
72774 + reqmode & GR_WRITE ? " writing" : "",
72775 + reqmode & GR_EXEC ? " executing" : "");
72776 + return 0;
72777 + } else if (unlikely((mode & reqmode) != reqmode))
72778 + return 0;
72779 +
72780 + return reqmode;
72781 +}
72782 +
72783 +static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt)
72784 +{
72785 + __u32 mode;
72786 +
72787 + mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt);
72788 +
72789 + if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
72790 + gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt);
72791 + return mode;
72792 + } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
72793 + gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt);
72794 + return 0;
72795 + } else if (unlikely((mode & (reqmode)) != (reqmode)))
72796 + return 0;
72797 +
72798 + return (reqmode);
72799 +}
72800 +
72801 +__u32
72802 +gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
72803 +{
72804 + return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG);
72805 +}
72806 +
72807 +__u32
72808 +gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt)
72809 +{
72810 + return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG);
72811 +}
72812 +
72813 +__u32
72814 +gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt)
72815 +{
72816 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG);
72817 +}
72818 +
72819 +__u32
72820 +gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt)
72821 +{
72822 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG);
72823 +}
72824 +
72825 +__u32
72826 +gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt,
72827 + umode_t *modeptr)
72828 +{
72829 + umode_t mode;
72830 +
72831 + *modeptr &= ~gr_acl_umask();
72832 + mode = *modeptr;
72833 +
72834 + if (unlikely(dentry->d_inode && S_ISSOCK(dentry->d_inode->i_mode)))
72835 + return 1;
72836 +
72837 + if (unlikely(dentry->d_inode && !S_ISDIR(dentry->d_inode->i_mode) &&
72838 + ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))) {
72839 + return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID,
72840 + GR_CHMOD_ACL_MSG);
72841 + } else {
72842 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG);
72843 + }
72844 +}
72845 +
72846 +__u32
72847 +gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt)
72848 +{
72849 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG);
72850 +}
72851 +
72852 +__u32
72853 +gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt)
72854 +{
72855 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG);
72856 +}
72857 +
72858 +__u32
72859 +gr_acl_handle_removexattr(const struct dentry *dentry, const struct vfsmount *mnt)
72860 +{
72861 + return generic_fs_handler(dentry, mnt, GR_WRITE, GR_REMOVEXATTR_ACL_MSG);
72862 +}
72863 +
72864 +__u32
72865 +gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt)
72866 +{
72867 + return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG);
72868 +}
72869 +
72870 +__u32
72871 +gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt)
72872 +{
72873 + return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE,
72874 + GR_UNIXCONNECT_ACL_MSG);
72875 +}
72876 +
72877 +/* hardlinks require at minimum create and link permission,
72878 + any additional privilege required is based on the
72879 + privilege of the file being linked to
72880 +*/
72881 +__u32
72882 +gr_acl_handle_link(const struct dentry * new_dentry,
72883 + const struct dentry * parent_dentry,
72884 + const struct vfsmount * parent_mnt,
72885 + const struct dentry * old_dentry,
72886 + const struct vfsmount * old_mnt, const struct filename *to)
72887 +{
72888 + __u32 mode;
72889 + __u32 needmode = GR_CREATE | GR_LINK;
72890 + __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK;
72891 +
72892 + mode =
72893 + gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry,
72894 + old_mnt);
72895 +
72896 + if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) {
72897 + gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name);
72898 + return mode;
72899 + } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
72900 + gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name);
72901 + return 0;
72902 + } else if (unlikely((mode & needmode) != needmode))
72903 + return 0;
72904 +
72905 + return 1;
72906 +}
72907 +
72908 +__u32
72909 +gr_acl_handle_symlink(const struct dentry * new_dentry,
72910 + const struct dentry * parent_dentry,
72911 + const struct vfsmount * parent_mnt, const struct filename *from)
72912 +{
72913 + __u32 needmode = GR_WRITE | GR_CREATE;
72914 + __u32 mode;
72915 +
72916 + mode =
72917 + gr_check_create(new_dentry, parent_dentry, parent_mnt,
72918 + GR_CREATE | GR_AUDIT_CREATE |
72919 + GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS);
72920 +
72921 + if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) {
72922 + gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt);
72923 + return mode;
72924 + } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) {
72925 + gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt);
72926 + return 0;
72927 + } else if (unlikely((mode & needmode) != needmode))
72928 + return 0;
72929 +
72930 + return (GR_WRITE | GR_CREATE);
72931 +}
72932 +
72933 +static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt)
72934 +{
72935 + __u32 mode;
72936 +
72937 + mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS);
72938 +
72939 + if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) {
72940 + gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt);
72941 + return mode;
72942 + } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) {
72943 + gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt);
72944 + return 0;
72945 + } else if (unlikely((mode & (reqmode)) != (reqmode)))
72946 + return 0;
72947 +
72948 + return (reqmode);
72949 +}
72950 +
72951 +__u32
72952 +gr_acl_handle_mknod(const struct dentry * new_dentry,
72953 + const struct dentry * parent_dentry,
72954 + const struct vfsmount * parent_mnt,
72955 + const int mode)
72956 +{
72957 + __u32 reqmode = GR_WRITE | GR_CREATE;
72958 + if (unlikely((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))
72959 + reqmode |= GR_SETID;
72960 +
72961 + return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
72962 + reqmode, GR_MKNOD_ACL_MSG);
72963 +}
72964 +
72965 +__u32
72966 +gr_acl_handle_mkdir(const struct dentry *new_dentry,
72967 + const struct dentry *parent_dentry,
72968 + const struct vfsmount *parent_mnt)
72969 +{
72970 + return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt,
72971 + GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG);
72972 +}
72973 +
72974 +#define RENAME_CHECK_SUCCESS(old, new) \
72975 + (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \
72976 + ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)))
72977 +
72978 +int
72979 +gr_acl_handle_rename(struct dentry *new_dentry,
72980 + struct dentry *parent_dentry,
72981 + const struct vfsmount *parent_mnt,
72982 + struct dentry *old_dentry,
72983 + struct inode *old_parent_inode,
72984 + struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags)
72985 +{
72986 + __u32 comp1, comp2;
72987 + int error = 0;
72988 +
72989 + if (unlikely(!gr_acl_is_enabled()))
72990 + return 0;
72991 +
72992 + if (flags & RENAME_EXCHANGE) {
72993 + comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE |
72994 + GR_AUDIT_READ | GR_AUDIT_WRITE |
72995 + GR_SUPPRESS, parent_mnt);
72996 + comp2 =
72997 + gr_search_file(old_dentry,
72998 + GR_READ | GR_WRITE | GR_AUDIT_READ |
72999 + GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt);
73000 + } else if (d_is_negative(new_dentry)) {
73001 + comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt,
73002 + GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ |
73003 + GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS);
73004 + comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE |
73005 + GR_DELETE | GR_AUDIT_DELETE |
73006 + GR_AUDIT_READ | GR_AUDIT_WRITE |
73007 + GR_SUPPRESS, old_mnt);
73008 + } else {
73009 + comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE |
73010 + GR_CREATE | GR_DELETE |
73011 + GR_AUDIT_CREATE | GR_AUDIT_DELETE |
73012 + GR_AUDIT_READ | GR_AUDIT_WRITE |
73013 + GR_SUPPRESS, parent_mnt);
73014 + comp2 =
73015 + gr_search_file(old_dentry,
73016 + GR_READ | GR_WRITE | GR_AUDIT_READ |
73017 + GR_DELETE | GR_AUDIT_DELETE |
73018 + GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt);
73019 + }
73020 +
73021 + if (RENAME_CHECK_SUCCESS(comp1, comp2) &&
73022 + ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS)))
73023 + gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name);
73024 + else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS)
73025 + && !(comp2 & GR_SUPPRESS)) {
73026 + gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name);
73027 + error = -EACCES;
73028 + } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2)))
73029 + error = -EACCES;
73030 +
73031 + return error;
73032 +}
73033 +
73034 +void
73035 +gr_acl_handle_exit(void)
73036 +{
73037 + u16 id;
73038 + char *rolename;
73039 +
73040 + if (unlikely(current->acl_sp_role && gr_acl_is_enabled() &&
73041 + !(current->role->roletype & GR_ROLE_PERSIST))) {
73042 + id = current->acl_role_id;
73043 + rolename = current->role->rolename;
73044 + gr_set_acls(1);
73045 + gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id);
73046 + }
73047 +
73048 + gr_put_exec_file(current);
73049 + return;
73050 +}
73051 +
73052 +int
73053 +gr_acl_handle_procpidmem(const struct task_struct *task)
73054 +{
73055 + if (unlikely(!gr_acl_is_enabled()))
73056 + return 0;
73057 +
73058 + if (task != current && (task->acl->mode & GR_PROTPROCFD) &&
73059 + !(current->acl->mode & GR_POVERRIDE) &&
73060 + !(current->role->roletype & GR_ROLE_GOD))
73061 + return -EACCES;
73062 +
73063 + return 0;
73064 +}
73065 diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c
73066 new file mode 100644
73067 index 0000000..f056b81
73068 --- /dev/null
73069 +++ b/grsecurity/gracl_ip.c
73070 @@ -0,0 +1,386 @@
73071 +#include <linux/kernel.h>
73072 +#include <asm/uaccess.h>
73073 +#include <asm/errno.h>
73074 +#include <net/sock.h>
73075 +#include <linux/file.h>
73076 +#include <linux/fs.h>
73077 +#include <linux/net.h>
73078 +#include <linux/in.h>
73079 +#include <linux/skbuff.h>
73080 +#include <linux/ip.h>
73081 +#include <linux/udp.h>
73082 +#include <linux/types.h>
73083 +#include <linux/sched.h>
73084 +#include <linux/netdevice.h>
73085 +#include <linux/inetdevice.h>
73086 +#include <linux/gracl.h>
73087 +#include <linux/grsecurity.h>
73088 +#include <linux/grinternal.h>
73089 +
73090 +#define GR_BIND 0x01
73091 +#define GR_CONNECT 0x02
73092 +#define GR_INVERT 0x04
73093 +#define GR_BINDOVERRIDE 0x08
73094 +#define GR_CONNECTOVERRIDE 0x10
73095 +#define GR_SOCK_FAMILY 0x20
73096 +
73097 +static const char * gr_protocols[IPPROTO_MAX] = {
73098 + "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt",
73099 + "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet",
73100 + "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1",
73101 + "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp",
73102 + "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++",
73103 + "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre",
73104 + "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile",
73105 + "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63",
73106 + "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv",
73107 + "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak",
73108 + "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf",
73109 + "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp",
73110 + "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim",
73111 + "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip",
73112 + "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp",
73113 + "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup",
73114 + "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135",
73115 + "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143",
73116 + "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151",
73117 + "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159",
73118 + "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167",
73119 + "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175",
73120 + "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183",
73121 + "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191",
73122 + "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199",
73123 + "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207",
73124 + "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215",
73125 + "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223",
73126 + "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231",
73127 + "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239",
73128 + "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247",
73129 + "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255",
73130 + };
73131 +
73132 +static const char * gr_socktypes[SOCK_MAX] = {
73133 + "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6",
73134 + "unknown:7", "unknown:8", "unknown:9", "packet"
73135 + };
73136 +
73137 +static const char * gr_sockfamilies[AF_MAX+1] = {
73138 + "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25",
73139 + "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash",
73140 + "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28",
73141 + "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf"
73142 + };
73143 +
73144 +const char *
73145 +gr_proto_to_name(unsigned char proto)
73146 +{
73147 + return gr_protocols[proto];
73148 +}
73149 +
73150 +const char *
73151 +gr_socktype_to_name(unsigned char type)
73152 +{
73153 + return gr_socktypes[type];
73154 +}
73155 +
73156 +const char *
73157 +gr_sockfamily_to_name(unsigned char family)
73158 +{
73159 + return gr_sockfamilies[family];
73160 +}
73161 +
73162 +extern const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly;
73163 +
73164 +int
73165 +gr_search_socket(const int domain, const int type, const int protocol)
73166 +{
73167 + struct acl_subject_label *curr;
73168 + const struct cred *cred = current_cred();
73169 +
73170 + if (unlikely(!gr_acl_is_enabled()))
73171 + goto exit;
73172 +
73173 + if ((domain < 0) || (type < 0) || (protocol < 0) ||
73174 + (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX))
73175 + goto exit; // let the kernel handle it
73176 +
73177 + curr = current->acl;
73178 +
73179 + if (curr->sock_families[domain / 32] & (1U << (domain % 32))) {
73180 + /* the family is allowed, if this is PF_INET allow it only if
73181 + the extra sock type/protocol checks pass */
73182 + if (domain == PF_INET)
73183 + goto inet_check;
73184 + goto exit;
73185 + } else {
73186 + if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
73187 + __u32 fakeip = 0;
73188 + security_learn(GR_IP_LEARN_MSG, current->role->rolename,
73189 + current->role->roletype, GR_GLOBAL_UID(cred->uid),
73190 + GR_GLOBAL_GID(cred->gid), current->exec_file ?
73191 + gr_to_filename(current->exec_file->f_path.dentry,
73192 + current->exec_file->f_path.mnt) :
73193 + curr->filename, curr->filename,
73194 + &fakeip, domain, 0, 0, GR_SOCK_FAMILY,
73195 + &current->signal->saved_ip);
73196 + goto exit;
73197 + }
73198 + goto exit_fail;
73199 + }
73200 +
73201 +inet_check:
73202 + /* the rest of this checking is for IPv4 only */
73203 + if (!curr->ips)
73204 + goto exit;
73205 +
73206 + if ((curr->ip_type & (1U << type)) &&
73207 + (curr->ip_proto[protocol / 32] & (1U << (protocol % 32))))
73208 + goto exit;
73209 +
73210 + if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
73211 + /* we don't place acls on raw sockets , and sometimes
73212 + dgram/ip sockets are opened for ioctl and not
73213 + bind/connect, so we'll fake a bind learn log */
73214 + if (type == SOCK_RAW || type == SOCK_PACKET) {
73215 + __u32 fakeip = 0;
73216 + security_learn(GR_IP_LEARN_MSG, current->role->rolename,
73217 + current->role->roletype, GR_GLOBAL_UID(cred->uid),
73218 + GR_GLOBAL_GID(cred->gid), current->exec_file ?
73219 + gr_to_filename(current->exec_file->f_path.dentry,
73220 + current->exec_file->f_path.mnt) :
73221 + curr->filename, curr->filename,
73222 + &fakeip, 0, type,
73223 + protocol, GR_CONNECT, &current->signal->saved_ip);
73224 + } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) {
73225 + __u32 fakeip = 0;
73226 + security_learn(GR_IP_LEARN_MSG, current->role->rolename,
73227 + current->role->roletype, GR_GLOBAL_UID(cred->uid),
73228 + GR_GLOBAL_GID(cred->gid), current->exec_file ?
73229 + gr_to_filename(current->exec_file->f_path.dentry,
73230 + current->exec_file->f_path.mnt) :
73231 + curr->filename, curr->filename,
73232 + &fakeip, 0, type,
73233 + protocol, GR_BIND, &current->signal->saved_ip);
73234 + }
73235 + /* we'll log when they use connect or bind */
73236 + goto exit;
73237 + }
73238 +
73239 +exit_fail:
73240 + if (domain == PF_INET)
73241 + gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain),
73242 + gr_socktype_to_name(type), gr_proto_to_name(protocol));
73243 + else if (rcu_access_pointer(net_families[domain]) != NULL)
73244 + gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain),
73245 + gr_socktype_to_name(type), protocol);
73246 +
73247 + return 0;
73248 +exit:
73249 + return 1;
73250 +}
73251 +
73252 +int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask)
73253 +{
73254 + if ((ip->mode & mode) &&
73255 + (ip_port >= ip->low) &&
73256 + (ip_port <= ip->high) &&
73257 + ((ntohl(ip_addr) & our_netmask) ==
73258 + (ntohl(our_addr) & our_netmask))
73259 + && (ip->proto[protocol / 32] & (1U << (protocol % 32)))
73260 + && (ip->type & (1U << type))) {
73261 + if (ip->mode & GR_INVERT)
73262 + return 2; // specifically denied
73263 + else
73264 + return 1; // allowed
73265 + }
73266 +
73267 + return 0; // not specifically allowed, may continue parsing
73268 +}
73269 +
73270 +static int
73271 +gr_search_connectbind(const int full_mode, struct sock *sk,
73272 + struct sockaddr_in *addr, const int type)
73273 +{
73274 + char iface[IFNAMSIZ] = {0};
73275 + struct acl_subject_label *curr;
73276 + struct acl_ip_label *ip;
73277 + struct inet_sock *isk;
73278 + struct net_device *dev;
73279 + struct in_device *idev;
73280 + unsigned long i;
73281 + int ret;
73282 + int mode = full_mode & (GR_BIND | GR_CONNECT);
73283 + __u32 ip_addr = 0;
73284 + __u32 our_addr;
73285 + __u32 our_netmask;
73286 + char *p;
73287 + __u16 ip_port = 0;
73288 + const struct cred *cred = current_cred();
73289 +
73290 + if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET))
73291 + return 0;
73292 +
73293 + curr = current->acl;
73294 + isk = inet_sk(sk);
73295 +
73296 + /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */
73297 + if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0)
73298 + addr->sin_addr.s_addr = curr->inaddr_any_override;
73299 + if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) {
73300 + struct sockaddr_in saddr;
73301 + int err;
73302 +
73303 + saddr.sin_family = AF_INET;
73304 + saddr.sin_addr.s_addr = curr->inaddr_any_override;
73305 + saddr.sin_port = isk->inet_sport;
73306 +
73307 + err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
73308 + if (err)
73309 + return err;
73310 +
73311 + err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in));
73312 + if (err)
73313 + return err;
73314 + }
73315 +
73316 + if (!curr->ips)
73317 + return 0;
73318 +
73319 + ip_addr = addr->sin_addr.s_addr;
73320 + ip_port = ntohs(addr->sin_port);
73321 +
73322 + if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) {
73323 + security_learn(GR_IP_LEARN_MSG, current->role->rolename,
73324 + current->role->roletype, GR_GLOBAL_UID(cred->uid),
73325 + GR_GLOBAL_GID(cred->gid), current->exec_file ?
73326 + gr_to_filename(current->exec_file->f_path.dentry,
73327 + current->exec_file->f_path.mnt) :
73328 + curr->filename, curr->filename,
73329 + &ip_addr, ip_port, type,
73330 + sk->sk_protocol, mode, &current->signal->saved_ip);
73331 + return 0;
73332 + }
73333 +
73334 + for (i = 0; i < curr->ip_num; i++) {
73335 + ip = *(curr->ips + i);
73336 + if (ip->iface != NULL) {
73337 + strncpy(iface, ip->iface, IFNAMSIZ - 1);
73338 + p = strchr(iface, ':');
73339 + if (p != NULL)
73340 + *p = '\0';
73341 + dev = dev_get_by_name(sock_net(sk), iface);
73342 + if (dev == NULL)
73343 + continue;
73344 + idev = in_dev_get(dev);
73345 + if (idev == NULL) {
73346 + dev_put(dev);
73347 + continue;
73348 + }
73349 + rcu_read_lock();
73350 + for_ifa(idev) {
73351 + if (!strcmp(ip->iface, ifa->ifa_label)) {
73352 + our_addr = ifa->ifa_address;
73353 + our_netmask = 0xffffffff;
73354 + ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
73355 + if (ret == 1) {
73356 + rcu_read_unlock();
73357 + in_dev_put(idev);
73358 + dev_put(dev);
73359 + return 0;
73360 + } else if (ret == 2) {
73361 + rcu_read_unlock();
73362 + in_dev_put(idev);
73363 + dev_put(dev);
73364 + goto denied;
73365 + }
73366 + }
73367 + } endfor_ifa(idev);
73368 + rcu_read_unlock();
73369 + in_dev_put(idev);
73370 + dev_put(dev);
73371 + } else {
73372 + our_addr = ip->addr;
73373 + our_netmask = ip->netmask;
73374 + ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask);
73375 + if (ret == 1)
73376 + return 0;
73377 + else if (ret == 2)
73378 + goto denied;
73379 + }
73380 + }
73381 +
73382 +denied:
73383 + if (mode == GR_BIND)
73384 + gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
73385 + else if (mode == GR_CONNECT)
73386 + gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol));
73387 +
73388 + return -EACCES;
73389 +}
73390 +
73391 +int
73392 +gr_search_connect(struct socket *sock, struct sockaddr_in *addr)
73393 +{
73394 + /* always allow disconnection of dgram sockets with connect */
73395 + if (addr->sin_family == AF_UNSPEC)
73396 + return 0;
73397 + return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type);
73398 +}
73399 +
73400 +int
73401 +gr_search_bind(struct socket *sock, struct sockaddr_in *addr)
73402 +{
73403 + return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type);
73404 +}
73405 +
73406 +int gr_search_listen(struct socket *sock)
73407 +{
73408 + struct sock *sk = sock->sk;
73409 + struct sockaddr_in addr;
73410 +
73411 + addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
73412 + addr.sin_port = inet_sk(sk)->inet_sport;
73413 +
73414 + return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
73415 +}
73416 +
73417 +int gr_search_accept(struct socket *sock)
73418 +{
73419 + struct sock *sk = sock->sk;
73420 + struct sockaddr_in addr;
73421 +
73422 + addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr;
73423 + addr.sin_port = inet_sk(sk)->inet_sport;
73424 +
73425 + return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type);
73426 +}
73427 +
73428 +int
73429 +gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr)
73430 +{
73431 + if (addr)
73432 + return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM);
73433 + else {
73434 + struct sockaddr_in sin;
73435 + const struct inet_sock *inet = inet_sk(sk);
73436 +
73437 + sin.sin_addr.s_addr = inet->inet_daddr;
73438 + sin.sin_port = inet->inet_dport;
73439 +
73440 + return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
73441 + }
73442 +}
73443 +
73444 +int
73445 +gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb)
73446 +{
73447 + struct sockaddr_in sin;
73448 +
73449 + if (unlikely(skb->len < sizeof (struct udphdr)))
73450 + return 0; // skip this packet
73451 +
73452 + sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
73453 + sin.sin_port = udp_hdr(skb)->source;
73454 +
73455 + return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM);
73456 +}
73457 diff --git a/grsecurity/gracl_learn.c b/grsecurity/gracl_learn.c
73458 new file mode 100644
73459 index 0000000..25f54ef
73460 --- /dev/null
73461 +++ b/grsecurity/gracl_learn.c
73462 @@ -0,0 +1,207 @@
73463 +#include <linux/kernel.h>
73464 +#include <linux/mm.h>
73465 +#include <linux/sched.h>
73466 +#include <linux/poll.h>
73467 +#include <linux/string.h>
73468 +#include <linux/file.h>
73469 +#include <linux/types.h>
73470 +#include <linux/vmalloc.h>
73471 +#include <linux/grinternal.h>
73472 +
73473 +extern ssize_t write_grsec_handler(struct file * file, const char __user * buf,
73474 + size_t count, loff_t *ppos);
73475 +extern int gr_acl_is_enabled(void);
73476 +
73477 +static DECLARE_WAIT_QUEUE_HEAD(learn_wait);
73478 +static int gr_learn_attached;
73479 +
73480 +/* use a 512k buffer */
73481 +#define LEARN_BUFFER_SIZE (512 * 1024)
73482 +
73483 +static DEFINE_SPINLOCK(gr_learn_lock);
73484 +static DEFINE_MUTEX(gr_learn_user_mutex);
73485 +
73486 +/* we need to maintain two buffers, so that the kernel context of grlearn
73487 + uses a semaphore around the userspace copying, and the other kernel contexts
73488 + use a spinlock when copying into the buffer, since they cannot sleep
73489 +*/
73490 +static char *learn_buffer;
73491 +static char *learn_buffer_user;
73492 +static int learn_buffer_len;
73493 +static int learn_buffer_user_len;
73494 +
73495 +static ssize_t
73496 +read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos)
73497 +{
73498 + DECLARE_WAITQUEUE(wait, current);
73499 + ssize_t retval = 0;
73500 +
73501 + add_wait_queue(&learn_wait, &wait);
73502 + set_current_state(TASK_INTERRUPTIBLE);
73503 + do {
73504 + mutex_lock(&gr_learn_user_mutex);
73505 + spin_lock(&gr_learn_lock);
73506 + if (learn_buffer_len)
73507 + break;
73508 + spin_unlock(&gr_learn_lock);
73509 + mutex_unlock(&gr_learn_user_mutex);
73510 + if (file->f_flags & O_NONBLOCK) {
73511 + retval = -EAGAIN;
73512 + goto out;
73513 + }
73514 + if (signal_pending(current)) {
73515 + retval = -ERESTARTSYS;
73516 + goto out;
73517 + }
73518 +
73519 + schedule();
73520 + } while (1);
73521 +
73522 + memcpy(learn_buffer_user, learn_buffer, learn_buffer_len);
73523 + learn_buffer_user_len = learn_buffer_len;
73524 + retval = learn_buffer_len;
73525 + learn_buffer_len = 0;
73526 +
73527 + spin_unlock(&gr_learn_lock);
73528 +
73529 + if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len))
73530 + retval = -EFAULT;
73531 +
73532 + mutex_unlock(&gr_learn_user_mutex);
73533 +out:
73534 + set_current_state(TASK_RUNNING);
73535 + remove_wait_queue(&learn_wait, &wait);
73536 + return retval;
73537 +}
73538 +
73539 +static unsigned int
73540 +poll_learn(struct file * file, poll_table * wait)
73541 +{
73542 + poll_wait(file, &learn_wait, wait);
73543 +
73544 + if (learn_buffer_len)
73545 + return (POLLIN | POLLRDNORM);
73546 +
73547 + return 0;
73548 +}
73549 +
73550 +void
73551 +gr_clear_learn_entries(void)
73552 +{
73553 + char *tmp;
73554 +
73555 + mutex_lock(&gr_learn_user_mutex);
73556 + spin_lock(&gr_learn_lock);
73557 + tmp = learn_buffer;
73558 + learn_buffer = NULL;
73559 + spin_unlock(&gr_learn_lock);
73560 + if (tmp)
73561 + vfree(tmp);
73562 + if (learn_buffer_user != NULL) {
73563 + vfree(learn_buffer_user);
73564 + learn_buffer_user = NULL;
73565 + }
73566 + learn_buffer_len = 0;
73567 + mutex_unlock(&gr_learn_user_mutex);
73568 +
73569 + return;
73570 +}
73571 +
73572 +void
73573 +gr_add_learn_entry(const char *fmt, ...)
73574 +{
73575 + va_list args;
73576 + unsigned int len;
73577 +
73578 + if (!gr_learn_attached)
73579 + return;
73580 +
73581 + spin_lock(&gr_learn_lock);
73582 +
73583 + /* leave a gap at the end so we know when it's "full" but don't have to
73584 + compute the exact length of the string we're trying to append
73585 + */
73586 + if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) {
73587 + spin_unlock(&gr_learn_lock);
73588 + wake_up_interruptible(&learn_wait);
73589 + return;
73590 + }
73591 + if (learn_buffer == NULL) {
73592 + spin_unlock(&gr_learn_lock);
73593 + return;
73594 + }
73595 +
73596 + va_start(args, fmt);
73597 + len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args);
73598 + va_end(args);
73599 +
73600 + learn_buffer_len += len + 1;
73601 +
73602 + spin_unlock(&gr_learn_lock);
73603 + wake_up_interruptible(&learn_wait);
73604 +
73605 + return;
73606 +}
73607 +
73608 +static int
73609 +open_learn(struct inode *inode, struct file *file)
73610 +{
73611 + if (file->f_mode & FMODE_READ && gr_learn_attached)
73612 + return -EBUSY;
73613 + if (file->f_mode & FMODE_READ) {
73614 + int retval = 0;
73615 + mutex_lock(&gr_learn_user_mutex);
73616 + if (learn_buffer == NULL)
73617 + learn_buffer = vmalloc(LEARN_BUFFER_SIZE);
73618 + if (learn_buffer_user == NULL)
73619 + learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE);
73620 + if (learn_buffer == NULL) {
73621 + retval = -ENOMEM;
73622 + goto out_error;
73623 + }
73624 + if (learn_buffer_user == NULL) {
73625 + retval = -ENOMEM;
73626 + goto out_error;
73627 + }
73628 + learn_buffer_len = 0;
73629 + learn_buffer_user_len = 0;
73630 + gr_learn_attached = 1;
73631 +out_error:
73632 + mutex_unlock(&gr_learn_user_mutex);
73633 + return retval;
73634 + }
73635 + return 0;
73636 +}
73637 +
73638 +static int
73639 +close_learn(struct inode *inode, struct file *file)
73640 +{
73641 + if (file->f_mode & FMODE_READ) {
73642 + char *tmp = NULL;
73643 + mutex_lock(&gr_learn_user_mutex);
73644 + spin_lock(&gr_learn_lock);
73645 + tmp = learn_buffer;
73646 + learn_buffer = NULL;
73647 + spin_unlock(&gr_learn_lock);
73648 + if (tmp)
73649 + vfree(tmp);
73650 + if (learn_buffer_user != NULL) {
73651 + vfree(learn_buffer_user);
73652 + learn_buffer_user = NULL;
73653 + }
73654 + learn_buffer_len = 0;
73655 + learn_buffer_user_len = 0;
73656 + gr_learn_attached = 0;
73657 + mutex_unlock(&gr_learn_user_mutex);
73658 + }
73659 +
73660 + return 0;
73661 +}
73662 +
73663 +const struct file_operations grsec_fops = {
73664 + .read = read_learn,
73665 + .write = write_grsec_handler,
73666 + .open = open_learn,
73667 + .release = close_learn,
73668 + .poll = poll_learn,
73669 +};
73670 diff --git a/grsecurity/gracl_policy.c b/grsecurity/gracl_policy.c
73671 new file mode 100644
73672 index 0000000..7949dcd
73673 --- /dev/null
73674 +++ b/grsecurity/gracl_policy.c
73675 @@ -0,0 +1,1782 @@
73676 +#include <linux/kernel.h>
73677 +#include <linux/module.h>
73678 +#include <linux/sched.h>
73679 +#include <linux/mm.h>
73680 +#include <linux/file.h>
73681 +#include <linux/fs.h>
73682 +#include <linux/namei.h>
73683 +#include <linux/mount.h>
73684 +#include <linux/tty.h>
73685 +#include <linux/proc_fs.h>
73686 +#include <linux/lglock.h>
73687 +#include <linux/slab.h>
73688 +#include <linux/vmalloc.h>
73689 +#include <linux/types.h>
73690 +#include <linux/sysctl.h>
73691 +#include <linux/netdevice.h>
73692 +#include <linux/ptrace.h>
73693 +#include <linux/gracl.h>
73694 +#include <linux/gralloc.h>
73695 +#include <linux/security.h>
73696 +#include <linux/grinternal.h>
73697 +#include <linux/pid_namespace.h>
73698 +#include <linux/stop_machine.h>
73699 +#include <linux/fdtable.h>
73700 +#include <linux/percpu.h>
73701 +#include <linux/lglock.h>
73702 +#include <linux/hugetlb.h>
73703 +#include <linux/posix-timers.h>
73704 +#include "../fs/mount.h"
73705 +
73706 +#include <asm/uaccess.h>
73707 +#include <asm/errno.h>
73708 +#include <asm/mman.h>
73709 +
73710 +extern struct gr_policy_state *polstate;
73711 +
73712 +#define FOR_EACH_ROLE_START(role) \
73713 + role = polstate->role_list; \
73714 + while (role) {
73715 +
73716 +#define FOR_EACH_ROLE_END(role) \
73717 + role = role->prev; \
73718 + }
73719 +
73720 +struct path gr_real_root;
73721 +
73722 +extern struct gr_alloc_state *current_alloc_state;
73723 +
73724 +u16 acl_sp_role_value;
73725 +
73726 +static DEFINE_MUTEX(gr_dev_mutex);
73727 +
73728 +extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum);
73729 +extern void gr_clear_learn_entries(void);
73730 +
73731 +struct gr_arg *gr_usermode __read_only;
73732 +unsigned char *gr_system_salt __read_only;
73733 +unsigned char *gr_system_sum __read_only;
73734 +
73735 +static unsigned int gr_auth_attempts = 0;
73736 +static unsigned long gr_auth_expires = 0UL;
73737 +
73738 +struct acl_object_label *fakefs_obj_rw;
73739 +struct acl_object_label *fakefs_obj_rwx;
73740 +
73741 +extern int gr_init_uidset(void);
73742 +extern void gr_free_uidset(void);
73743 +extern void gr_remove_uid(uid_t uid);
73744 +extern int gr_find_uid(uid_t uid);
73745 +
73746 +extern struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback);
73747 +extern void __gr_apply_subject_to_task(struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj);
73748 +extern int gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb);
73749 +extern void __insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry);
73750 +extern struct acl_role_label *__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid, const gid_t gid);
73751 +extern void insert_acl_obj_label(struct acl_object_label *obj, struct acl_subject_label *subj);
73752 +extern void insert_acl_subj_label(struct acl_subject_label *obj, struct acl_role_label *role);
73753 +extern struct name_entry * __lookup_name_entry(const struct gr_policy_state *state, const char *name);
73754 +extern char *gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt);
73755 +extern struct acl_subject_label *lookup_acl_subj_label(const ino_t ino, const dev_t dev, const struct acl_role_label *role);
73756 +extern struct acl_subject_label *lookup_acl_subj_label_deleted(const ino_t ino, const dev_t dev, const struct acl_role_label *role);
73757 +extern void assign_special_role(const char *rolename);
73758 +extern struct acl_subject_label *chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, const struct acl_role_label *role);
73759 +extern int gr_rbac_disable(void *unused);
73760 +extern void gr_enable_rbac_system(void);
73761 +
73762 +static int copy_acl_object_label_normal(struct acl_object_label *obj, const struct acl_object_label *userp)
73763 +{
73764 + if (copy_from_user(obj, userp, sizeof(struct acl_object_label)))
73765 + return -EFAULT;
73766 +
73767 + return 0;
73768 +}
73769 +
73770 +static int copy_acl_ip_label_normal(struct acl_ip_label *ip, const struct acl_ip_label *userp)
73771 +{
73772 + if (copy_from_user(ip, userp, sizeof(struct acl_ip_label)))
73773 + return -EFAULT;
73774 +
73775 + return 0;
73776 +}
73777 +
73778 +static int copy_acl_subject_label_normal(struct acl_subject_label *subj, const struct acl_subject_label *userp)
73779 +{
73780 + if (copy_from_user(subj, userp, sizeof(struct acl_subject_label)))
73781 + return -EFAULT;
73782 +
73783 + return 0;
73784 +}
73785 +
73786 +static int copy_acl_role_label_normal(struct acl_role_label *role, const struct acl_role_label *userp)
73787 +{
73788 + if (copy_from_user(role, userp, sizeof(struct acl_role_label)))
73789 + return -EFAULT;
73790 +
73791 + return 0;
73792 +}
73793 +
73794 +static int copy_role_allowed_ip_normal(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp)
73795 +{
73796 + if (copy_from_user(roleip, userp, sizeof(struct role_allowed_ip)))
73797 + return -EFAULT;
73798 +
73799 + return 0;
73800 +}
73801 +
73802 +static int copy_sprole_pw_normal(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp)
73803 +{
73804 + if (copy_from_user(pw, userp + idx, sizeof(struct sprole_pw)))
73805 + return -EFAULT;
73806 +
73807 + return 0;
73808 +}
73809 +
73810 +static int copy_gr_hash_struct_normal(struct gr_hash_struct *hash, const struct gr_hash_struct *userp)
73811 +{
73812 + if (copy_from_user(hash, userp, sizeof(struct gr_hash_struct)))
73813 + return -EFAULT;
73814 +
73815 + return 0;
73816 +}
73817 +
73818 +static int copy_role_transition_normal(struct role_transition *trans, const struct role_transition *userp)
73819 +{
73820 + if (copy_from_user(trans, userp, sizeof(struct role_transition)))
73821 + return -EFAULT;
73822 +
73823 + return 0;
73824 +}
73825 +
73826 +int copy_pointer_from_array_normal(void *ptr, unsigned long idx, const void *userp)
73827 +{
73828 + if (copy_from_user(ptr, userp + (idx * sizeof(void *)), sizeof(void *)))
73829 + return -EFAULT;
73830 +
73831 + return 0;
73832 +}
73833 +
73834 +static int copy_gr_arg_wrapper_normal(const char __user *buf, struct gr_arg_wrapper *uwrap)
73835 +{
73836 + if (copy_from_user(uwrap, buf, sizeof (struct gr_arg_wrapper)))
73837 + return -EFAULT;
73838 +
73839 + if (((uwrap->version != GRSECURITY_VERSION) &&
73840 + (uwrap->version != 0x2901)) ||
73841 + (uwrap->size != sizeof(struct gr_arg)))
73842 + return -EINVAL;
73843 +
73844 + return 0;
73845 +}
73846 +
73847 +static int copy_gr_arg_normal(const struct gr_arg __user *buf, struct gr_arg *arg)
73848 +{
73849 + if (copy_from_user(arg, buf, sizeof (struct gr_arg)))
73850 + return -EFAULT;
73851 +
73852 + return 0;
73853 +}
73854 +
73855 +static size_t get_gr_arg_wrapper_size_normal(void)
73856 +{
73857 + return sizeof(struct gr_arg_wrapper);
73858 +}
73859 +
73860 +#ifdef CONFIG_COMPAT
73861 +extern int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap);
73862 +extern int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg);
73863 +extern int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp);
73864 +extern int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp);
73865 +extern int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp);
73866 +extern int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp);
73867 +extern int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp);
73868 +extern int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp);
73869 +extern int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp);
73870 +extern int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp);
73871 +extern int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp);
73872 +extern size_t get_gr_arg_wrapper_size_compat(void);
73873 +
73874 +int (* copy_gr_arg_wrapper)(const char *buf, struct gr_arg_wrapper *uwrap) __read_only;
73875 +int (* copy_gr_arg)(const struct gr_arg *buf, struct gr_arg *arg) __read_only;
73876 +int (* copy_acl_object_label)(struct acl_object_label *obj, const struct acl_object_label *userp) __read_only;
73877 +int (* copy_acl_subject_label)(struct acl_subject_label *subj, const struct acl_subject_label *userp) __read_only;
73878 +int (* copy_acl_role_label)(struct acl_role_label *role, const struct acl_role_label *userp) __read_only;
73879 +int (* copy_acl_ip_label)(struct acl_ip_label *ip, const struct acl_ip_label *userp) __read_only;
73880 +int (* copy_pointer_from_array)(void *ptr, unsigned long idx, const void *userp) __read_only;
73881 +int (* copy_sprole_pw)(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) __read_only;
73882 +int (* copy_gr_hash_struct)(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) __read_only;
73883 +int (* copy_role_transition)(struct role_transition *trans, const struct role_transition *userp) __read_only;
73884 +int (* copy_role_allowed_ip)(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) __read_only;
73885 +size_t (* get_gr_arg_wrapper_size)(void) __read_only;
73886 +
73887 +#else
73888 +#define copy_gr_arg_wrapper copy_gr_arg_wrapper_normal
73889 +#define copy_gr_arg copy_gr_arg_normal
73890 +#define copy_gr_hash_struct copy_gr_hash_struct_normal
73891 +#define copy_acl_object_label copy_acl_object_label_normal
73892 +#define copy_acl_subject_label copy_acl_subject_label_normal
73893 +#define copy_acl_role_label copy_acl_role_label_normal
73894 +#define copy_acl_ip_label copy_acl_ip_label_normal
73895 +#define copy_pointer_from_array copy_pointer_from_array_normal
73896 +#define copy_sprole_pw copy_sprole_pw_normal
73897 +#define copy_role_transition copy_role_transition_normal
73898 +#define copy_role_allowed_ip copy_role_allowed_ip_normal
73899 +#define get_gr_arg_wrapper_size get_gr_arg_wrapper_size_normal
73900 +#endif
73901 +
73902 +static struct acl_subject_label *
73903 +lookup_subject_map(const struct acl_subject_label *userp)
73904 +{
73905 + unsigned int index = gr_shash(userp, polstate->subj_map_set.s_size);
73906 + struct subject_map *match;
73907 +
73908 + match = polstate->subj_map_set.s_hash[index];
73909 +
73910 + while (match && match->user != userp)
73911 + match = match->next;
73912 +
73913 + if (match != NULL)
73914 + return match->kernel;
73915 + else
73916 + return NULL;
73917 +}
73918 +
73919 +static void
73920 +insert_subj_map_entry(struct subject_map *subjmap)
73921 +{
73922 + unsigned int index = gr_shash(subjmap->user, polstate->subj_map_set.s_size);
73923 + struct subject_map **curr;
73924 +
73925 + subjmap->prev = NULL;
73926 +
73927 + curr = &polstate->subj_map_set.s_hash[index];
73928 + if (*curr != NULL)
73929 + (*curr)->prev = subjmap;
73930 +
73931 + subjmap->next = *curr;
73932 + *curr = subjmap;
73933 +
73934 + return;
73935 +}
73936 +
73937 +static void
73938 +__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid)
73939 +{
73940 + unsigned int index =
73941 + gr_rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), polstate->acl_role_set.r_size);
73942 + struct acl_role_label **curr;
73943 + struct acl_role_label *tmp, *tmp2;
73944 +
73945 + curr = &polstate->acl_role_set.r_hash[index];
73946 +
73947 + /* simple case, slot is empty, just set it to our role */
73948 + if (*curr == NULL) {
73949 + *curr = role;
73950 + } else {
73951 + /* example:
73952 + 1 -> 2 -> 3 (adding 2 -> 3 to here)
73953 + 2 -> 3
73954 + */
73955 + /* first check to see if we can already be reached via this slot */
73956 + tmp = *curr;
73957 + while (tmp && tmp != role)
73958 + tmp = tmp->next;
73959 + if (tmp == role) {
73960 + /* we don't need to add ourselves to this slot's chain */
73961 + return;
73962 + }
73963 + /* we need to add ourselves to this chain, two cases */
73964 + if (role->next == NULL) {
73965 + /* simple case, append the current chain to our role */
73966 + role->next = *curr;
73967 + *curr = role;
73968 + } else {
73969 + /* 1 -> 2 -> 3 -> 4
73970 + 2 -> 3 -> 4
73971 + 3 -> 4 (adding 1 -> 2 -> 3 -> 4 to here)
73972 + */
73973 + /* trickier case: walk our role's chain until we find
73974 + the role for the start of the current slot's chain */
73975 + tmp = role;
73976 + tmp2 = *curr;
73977 + while (tmp->next && tmp->next != tmp2)
73978 + tmp = tmp->next;
73979 + if (tmp->next == tmp2) {
73980 + /* from example above, we found 3, so just
73981 + replace this slot's chain with ours */
73982 + *curr = role;
73983 + } else {
73984 + /* we didn't find a subset of our role's chain
73985 + in the current slot's chain, so append their
73986 + chain to ours, and set us as the first role in
73987 + the slot's chain
73988 +
73989 + we could fold this case with the case above,
73990 + but making it explicit for clarity
73991 + */
73992 + tmp->next = tmp2;
73993 + *curr = role;
73994 + }
73995 + }
73996 + }
73997 +
73998 + return;
73999 +}
74000 +
74001 +static void
74002 +insert_acl_role_label(struct acl_role_label *role)
74003 +{
74004 + int i;
74005 +
74006 + if (polstate->role_list == NULL) {
74007 + polstate->role_list = role;
74008 + role->prev = NULL;
74009 + } else {
74010 + role->prev = polstate->role_list;
74011 + polstate->role_list = role;
74012 + }
74013 +
74014 + /* used for hash chains */
74015 + role->next = NULL;
74016 +
74017 + if (role->roletype & GR_ROLE_DOMAIN) {
74018 + for (i = 0; i < role->domain_child_num; i++)
74019 + __insert_acl_role_label(role, role->domain_children[i]);
74020 + } else
74021 + __insert_acl_role_label(role, role->uidgid);
74022 +}
74023 +
74024 +static int
74025 +insert_name_entry(char *name, const ino_t inode, const dev_t device, __u8 deleted)
74026 +{
74027 + struct name_entry **curr, *nentry;
74028 + struct inodev_entry *ientry;
74029 + unsigned int len = strlen(name);
74030 + unsigned int key = full_name_hash(name, len);
74031 + unsigned int index = key % polstate->name_set.n_size;
74032 +
74033 + curr = &polstate->name_set.n_hash[index];
74034 +
74035 + while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len)))
74036 + curr = &((*curr)->next);
74037 +
74038 + if (*curr != NULL)
74039 + return 1;
74040 +
74041 + nentry = acl_alloc(sizeof (struct name_entry));
74042 + if (nentry == NULL)
74043 + return 0;
74044 + ientry = acl_alloc(sizeof (struct inodev_entry));
74045 + if (ientry == NULL)
74046 + return 0;
74047 + ientry->nentry = nentry;
74048 +
74049 + nentry->key = key;
74050 + nentry->name = name;
74051 + nentry->inode = inode;
74052 + nentry->device = device;
74053 + nentry->len = len;
74054 + nentry->deleted = deleted;
74055 +
74056 + nentry->prev = NULL;
74057 + curr = &polstate->name_set.n_hash[index];
74058 + if (*curr != NULL)
74059 + (*curr)->prev = nentry;
74060 + nentry->next = *curr;
74061 + *curr = nentry;
74062 +
74063 + /* insert us into the table searchable by inode/dev */
74064 + __insert_inodev_entry(polstate, ientry);
74065 +
74066 + return 1;
74067 +}
74068 +
74069 +/* allocating chained hash tables, so optimal size is where lambda ~ 1 */
74070 +
74071 +static void *
74072 +create_table(__u32 * len, int elementsize)
74073 +{
74074 + unsigned int table_sizes[] = {
74075 + 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381,
74076 + 32749, 65521, 131071, 262139, 524287, 1048573, 2097143,
74077 + 4194301, 8388593, 16777213, 33554393, 67108859
74078 + };
74079 + void *newtable = NULL;
74080 + unsigned int pwr = 0;
74081 +
74082 + while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) &&
74083 + table_sizes[pwr] <= *len)
74084 + pwr++;
74085 +
74086 + if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize))
74087 + return newtable;
74088 +
74089 + if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE)
74090 + newtable =
74091 + kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL);
74092 + else
74093 + newtable = vmalloc(table_sizes[pwr] * elementsize);
74094 +
74095 + *len = table_sizes[pwr];
74096 +
74097 + return newtable;
74098 +}
74099 +
74100 +static int
74101 +init_variables(const struct gr_arg *arg, bool reload)
74102 +{
74103 + struct task_struct *reaper = init_pid_ns.child_reaper;
74104 + unsigned int stacksize;
74105 +
74106 + polstate->subj_map_set.s_size = arg->role_db.num_subjects;
74107 + polstate->acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children;
74108 + polstate->name_set.n_size = arg->role_db.num_objects;
74109 + polstate->inodev_set.i_size = arg->role_db.num_objects;
74110 +
74111 + if (!polstate->subj_map_set.s_size || !polstate->acl_role_set.r_size ||
74112 + !polstate->name_set.n_size || !polstate->inodev_set.i_size)
74113 + return 1;
74114 +
74115 + if (!reload) {
74116 + if (!gr_init_uidset())
74117 + return 1;
74118 + }
74119 +
74120 + /* set up the stack that holds allocation info */
74121 +
74122 + stacksize = arg->role_db.num_pointers + 5;
74123 +
74124 + if (!acl_alloc_stack_init(stacksize))
74125 + return 1;
74126 +
74127 + if (!reload) {
74128 + /* grab reference for the real root dentry and vfsmount */
74129 + get_fs_root(reaper->fs, &gr_real_root);
74130 +
74131 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
74132 + printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", __get_dev(gr_real_root.dentry), gr_real_root.dentry->d_inode->i_ino);
74133 +#endif
74134 +
74135 + fakefs_obj_rw = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL);
74136 + if (fakefs_obj_rw == NULL)
74137 + return 1;
74138 + fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE;
74139 +
74140 + fakefs_obj_rwx = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL);
74141 + if (fakefs_obj_rwx == NULL)
74142 + return 1;
74143 + fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC;
74144 + }
74145 +
74146 + polstate->subj_map_set.s_hash =
74147 + (struct subject_map **) create_table(&polstate->subj_map_set.s_size, sizeof(void *));
74148 + polstate->acl_role_set.r_hash =
74149 + (struct acl_role_label **) create_table(&polstate->acl_role_set.r_size, sizeof(void *));
74150 + polstate->name_set.n_hash = (struct name_entry **) create_table(&polstate->name_set.n_size, sizeof(void *));
74151 + polstate->inodev_set.i_hash =
74152 + (struct inodev_entry **) create_table(&polstate->inodev_set.i_size, sizeof(void *));
74153 +
74154 + if (!polstate->subj_map_set.s_hash || !polstate->acl_role_set.r_hash ||
74155 + !polstate->name_set.n_hash || !polstate->inodev_set.i_hash)
74156 + return 1;
74157 +
74158 + memset(polstate->subj_map_set.s_hash, 0,
74159 + sizeof(struct subject_map *) * polstate->subj_map_set.s_size);
74160 + memset(polstate->acl_role_set.r_hash, 0,
74161 + sizeof (struct acl_role_label *) * polstate->acl_role_set.r_size);
74162 + memset(polstate->name_set.n_hash, 0,
74163 + sizeof (struct name_entry *) * polstate->name_set.n_size);
74164 + memset(polstate->inodev_set.i_hash, 0,
74165 + sizeof (struct inodev_entry *) * polstate->inodev_set.i_size);
74166 +
74167 + return 0;
74168 +}
74169 +
74170 +/* free information not needed after startup
74171 + currently contains user->kernel pointer mappings for subjects
74172 +*/
74173 +
74174 +static void
74175 +free_init_variables(void)
74176 +{
74177 + __u32 i;
74178 +
74179 + if (polstate->subj_map_set.s_hash) {
74180 + for (i = 0; i < polstate->subj_map_set.s_size; i++) {
74181 + if (polstate->subj_map_set.s_hash[i]) {
74182 + kfree(polstate->subj_map_set.s_hash[i]);
74183 + polstate->subj_map_set.s_hash[i] = NULL;
74184 + }
74185 + }
74186 +
74187 + if ((polstate->subj_map_set.s_size * sizeof (struct subject_map *)) <=
74188 + PAGE_SIZE)
74189 + kfree(polstate->subj_map_set.s_hash);
74190 + else
74191 + vfree(polstate->subj_map_set.s_hash);
74192 + }
74193 +
74194 + return;
74195 +}
74196 +
74197 +static void
74198 +free_variables(bool reload)
74199 +{
74200 + struct acl_subject_label *s;
74201 + struct acl_role_label *r;
74202 + struct task_struct *task, *task2;
74203 + unsigned int x;
74204 +
74205 + if (!reload) {
74206 + gr_clear_learn_entries();
74207 +
74208 + read_lock(&tasklist_lock);
74209 + do_each_thread(task2, task) {
74210 + task->acl_sp_role = 0;
74211 + task->acl_role_id = 0;
74212 + task->inherited = 0;
74213 + task->acl = NULL;
74214 + task->role = NULL;
74215 + } while_each_thread(task2, task);
74216 + read_unlock(&tasklist_lock);
74217 +
74218 + kfree(fakefs_obj_rw);
74219 + fakefs_obj_rw = NULL;
74220 + kfree(fakefs_obj_rwx);
74221 + fakefs_obj_rwx = NULL;
74222 +
74223 + /* release the reference to the real root dentry and vfsmount */
74224 + path_put(&gr_real_root);
74225 + memset(&gr_real_root, 0, sizeof(gr_real_root));
74226 + }
74227 +
74228 + /* free all object hash tables */
74229 +
74230 + FOR_EACH_ROLE_START(r)
74231 + if (r->subj_hash == NULL)
74232 + goto next_role;
74233 + FOR_EACH_SUBJECT_START(r, s, x)
74234 + if (s->obj_hash == NULL)
74235 + break;
74236 + if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
74237 + kfree(s->obj_hash);
74238 + else
74239 + vfree(s->obj_hash);
74240 + FOR_EACH_SUBJECT_END(s, x)
74241 + FOR_EACH_NESTED_SUBJECT_START(r, s)
74242 + if (s->obj_hash == NULL)
74243 + break;
74244 + if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE)
74245 + kfree(s->obj_hash);
74246 + else
74247 + vfree(s->obj_hash);
74248 + FOR_EACH_NESTED_SUBJECT_END(s)
74249 + if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE)
74250 + kfree(r->subj_hash);
74251 + else
74252 + vfree(r->subj_hash);
74253 + r->subj_hash = NULL;
74254 +next_role:
74255 + FOR_EACH_ROLE_END(r)
74256 +
74257 + acl_free_all();
74258 +
74259 + if (polstate->acl_role_set.r_hash) {
74260 + if ((polstate->acl_role_set.r_size * sizeof (struct acl_role_label *)) <=
74261 + PAGE_SIZE)
74262 + kfree(polstate->acl_role_set.r_hash);
74263 + else
74264 + vfree(polstate->acl_role_set.r_hash);
74265 + }
74266 + if (polstate->name_set.n_hash) {
74267 + if ((polstate->name_set.n_size * sizeof (struct name_entry *)) <=
74268 + PAGE_SIZE)
74269 + kfree(polstate->name_set.n_hash);
74270 + else
74271 + vfree(polstate->name_set.n_hash);
74272 + }
74273 +
74274 + if (polstate->inodev_set.i_hash) {
74275 + if ((polstate->inodev_set.i_size * sizeof (struct inodev_entry *)) <=
74276 + PAGE_SIZE)
74277 + kfree(polstate->inodev_set.i_hash);
74278 + else
74279 + vfree(polstate->inodev_set.i_hash);
74280 + }
74281 +
74282 + if (!reload)
74283 + gr_free_uidset();
74284 +
74285 + memset(&polstate->name_set, 0, sizeof (struct name_db));
74286 + memset(&polstate->inodev_set, 0, sizeof (struct inodev_db));
74287 + memset(&polstate->acl_role_set, 0, sizeof (struct acl_role_db));
74288 + memset(&polstate->subj_map_set, 0, sizeof (struct acl_subj_map_db));
74289 +
74290 + polstate->default_role = NULL;
74291 + polstate->kernel_role = NULL;
74292 + polstate->role_list = NULL;
74293 +
74294 + return;
74295 +}
74296 +
74297 +static struct acl_subject_label *
74298 +do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied);
74299 +
74300 +static int alloc_and_copy_string(char **name, unsigned int maxlen)
74301 +{
74302 + unsigned int len = strnlen_user(*name, maxlen);
74303 + char *tmp;
74304 +
74305 + if (!len || len >= maxlen)
74306 + return -EINVAL;
74307 +
74308 + if ((tmp = (char *) acl_alloc(len)) == NULL)
74309 + return -ENOMEM;
74310 +
74311 + if (copy_from_user(tmp, *name, len))
74312 + return -EFAULT;
74313 +
74314 + tmp[len-1] = '\0';
74315 + *name = tmp;
74316 +
74317 + return 0;
74318 +}
74319 +
74320 +static int
74321 +copy_user_glob(struct acl_object_label *obj)
74322 +{
74323 + struct acl_object_label *g_tmp, **guser;
74324 + int error;
74325 +
74326 + if (obj->globbed == NULL)
74327 + return 0;
74328 +
74329 + guser = &obj->globbed;
74330 + while (*guser) {
74331 + g_tmp = (struct acl_object_label *)
74332 + acl_alloc(sizeof (struct acl_object_label));
74333 + if (g_tmp == NULL)
74334 + return -ENOMEM;
74335 +
74336 + if (copy_acl_object_label(g_tmp, *guser))
74337 + return -EFAULT;
74338 +
74339 + error = alloc_and_copy_string(&g_tmp->filename, PATH_MAX);
74340 + if (error)
74341 + return error;
74342 +
74343 + *guser = g_tmp;
74344 + guser = &(g_tmp->next);
74345 + }
74346 +
74347 + return 0;
74348 +}
74349 +
74350 +static int
74351 +copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj,
74352 + struct acl_role_label *role)
74353 +{
74354 + struct acl_object_label *o_tmp;
74355 + int ret;
74356 +
74357 + while (userp) {
74358 + if ((o_tmp = (struct acl_object_label *)
74359 + acl_alloc(sizeof (struct acl_object_label))) == NULL)
74360 + return -ENOMEM;
74361 +
74362 + if (copy_acl_object_label(o_tmp, userp))
74363 + return -EFAULT;
74364 +
74365 + userp = o_tmp->prev;
74366 +
74367 + ret = alloc_and_copy_string(&o_tmp->filename, PATH_MAX);
74368 + if (ret)
74369 + return ret;
74370 +
74371 + insert_acl_obj_label(o_tmp, subj);
74372 + if (!insert_name_entry(o_tmp->filename, o_tmp->inode,
74373 + o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0))
74374 + return -ENOMEM;
74375 +
74376 + ret = copy_user_glob(o_tmp);
74377 + if (ret)
74378 + return ret;
74379 +
74380 + if (o_tmp->nested) {
74381 + int already_copied;
74382 +
74383 + o_tmp->nested = do_copy_user_subj(o_tmp->nested, role, &already_copied);
74384 + if (IS_ERR(o_tmp->nested))
74385 + return PTR_ERR(o_tmp->nested);
74386 +
74387 + /* insert into nested subject list if we haven't copied this one yet
74388 + to prevent duplicate entries */
74389 + if (!already_copied) {
74390 + o_tmp->nested->next = role->hash->first;
74391 + role->hash->first = o_tmp->nested;
74392 + }
74393 + }
74394 + }
74395 +
74396 + return 0;
74397 +}
74398 +
74399 +static __u32
74400 +count_user_subjs(struct acl_subject_label *userp)
74401 +{
74402 + struct acl_subject_label s_tmp;
74403 + __u32 num = 0;
74404 +
74405 + while (userp) {
74406 + if (copy_acl_subject_label(&s_tmp, userp))
74407 + break;
74408 +
74409 + userp = s_tmp.prev;
74410 + }
74411 +
74412 + return num;
74413 +}
74414 +
74415 +static int
74416 +copy_user_allowedips(struct acl_role_label *rolep)
74417 +{
74418 + struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast;
74419 +
74420 + ruserip = rolep->allowed_ips;
74421 +
74422 + while (ruserip) {
74423 + rlast = rtmp;
74424 +
74425 + if ((rtmp = (struct role_allowed_ip *)
74426 + acl_alloc(sizeof (struct role_allowed_ip))) == NULL)
74427 + return -ENOMEM;
74428 +
74429 + if (copy_role_allowed_ip(rtmp, ruserip))
74430 + return -EFAULT;
74431 +
74432 + ruserip = rtmp->prev;
74433 +
74434 + if (!rlast) {
74435 + rtmp->prev = NULL;
74436 + rolep->allowed_ips = rtmp;
74437 + } else {
74438 + rlast->next = rtmp;
74439 + rtmp->prev = rlast;
74440 + }
74441 +
74442 + if (!ruserip)
74443 + rtmp->next = NULL;
74444 + }
74445 +
74446 + return 0;
74447 +}
74448 +
74449 +static int
74450 +copy_user_transitions(struct acl_role_label *rolep)
74451 +{
74452 + struct role_transition *rusertp, *rtmp = NULL, *rlast;
74453 + int error;
74454 +
74455 + rusertp = rolep->transitions;
74456 +
74457 + while (rusertp) {
74458 + rlast = rtmp;
74459 +
74460 + if ((rtmp = (struct role_transition *)
74461 + acl_alloc(sizeof (struct role_transition))) == NULL)
74462 + return -ENOMEM;
74463 +
74464 + if (copy_role_transition(rtmp, rusertp))
74465 + return -EFAULT;
74466 +
74467 + rusertp = rtmp->prev;
74468 +
74469 + error = alloc_and_copy_string(&rtmp->rolename, GR_SPROLE_LEN);
74470 + if (error)
74471 + return error;
74472 +
74473 + if (!rlast) {
74474 + rtmp->prev = NULL;
74475 + rolep->transitions = rtmp;
74476 + } else {
74477 + rlast->next = rtmp;
74478 + rtmp->prev = rlast;
74479 + }
74480 +
74481 + if (!rusertp)
74482 + rtmp->next = NULL;
74483 + }
74484 +
74485 + return 0;
74486 +}
74487 +
74488 +static __u32 count_user_objs(const struct acl_object_label __user *userp)
74489 +{
74490 + struct acl_object_label o_tmp;
74491 + __u32 num = 0;
74492 +
74493 + while (userp) {
74494 + if (copy_acl_object_label(&o_tmp, userp))
74495 + break;
74496 +
74497 + userp = o_tmp.prev;
74498 + num++;
74499 + }
74500 +
74501 + return num;
74502 +}
74503 +
74504 +static struct acl_subject_label *
74505 +do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied)
74506 +{
74507 + struct acl_subject_label *s_tmp = NULL, *s_tmp2;
74508 + __u32 num_objs;
74509 + struct acl_ip_label **i_tmp, *i_utmp2;
74510 + struct gr_hash_struct ghash;
74511 + struct subject_map *subjmap;
74512 + unsigned int i_num;
74513 + int err;
74514 +
74515 + if (already_copied != NULL)
74516 + *already_copied = 0;
74517 +
74518 + s_tmp = lookup_subject_map(userp);
74519 +
74520 + /* we've already copied this subject into the kernel, just return
74521 + the reference to it, and don't copy it over again
74522 + */
74523 + if (s_tmp) {
74524 + if (already_copied != NULL)
74525 + *already_copied = 1;
74526 + return(s_tmp);
74527 + }
74528 +
74529 + if ((s_tmp = (struct acl_subject_label *)
74530 + acl_alloc(sizeof (struct acl_subject_label))) == NULL)
74531 + return ERR_PTR(-ENOMEM);
74532 +
74533 + subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL);
74534 + if (subjmap == NULL)
74535 + return ERR_PTR(-ENOMEM);
74536 +
74537 + subjmap->user = userp;
74538 + subjmap->kernel = s_tmp;
74539 + insert_subj_map_entry(subjmap);
74540 +
74541 + if (copy_acl_subject_label(s_tmp, userp))
74542 + return ERR_PTR(-EFAULT);
74543 +
74544 + err = alloc_and_copy_string(&s_tmp->filename, PATH_MAX);
74545 + if (err)
74546 + return ERR_PTR(err);
74547 +
74548 + if (!strcmp(s_tmp->filename, "/"))
74549 + role->root_label = s_tmp;
74550 +
74551 + if (copy_gr_hash_struct(&ghash, s_tmp->hash))
74552 + return ERR_PTR(-EFAULT);
74553 +
74554 + /* copy user and group transition tables */
74555 +
74556 + if (s_tmp->user_trans_num) {
74557 + uid_t *uidlist;
74558 +
74559 + uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t));
74560 + if (uidlist == NULL)
74561 + return ERR_PTR(-ENOMEM);
74562 + if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t)))
74563 + return ERR_PTR(-EFAULT);
74564 +
74565 + s_tmp->user_transitions = uidlist;
74566 + }
74567 +
74568 + if (s_tmp->group_trans_num) {
74569 + gid_t *gidlist;
74570 +
74571 + gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t));
74572 + if (gidlist == NULL)
74573 + return ERR_PTR(-ENOMEM);
74574 + if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t)))
74575 + return ERR_PTR(-EFAULT);
74576 +
74577 + s_tmp->group_transitions = gidlist;
74578 + }
74579 +
74580 + /* set up object hash table */
74581 + num_objs = count_user_objs(ghash.first);
74582 +
74583 + s_tmp->obj_hash_size = num_objs;
74584 + s_tmp->obj_hash =
74585 + (struct acl_object_label **)
74586 + create_table(&(s_tmp->obj_hash_size), sizeof(void *));
74587 +
74588 + if (!s_tmp->obj_hash)
74589 + return ERR_PTR(-ENOMEM);
74590 +
74591 + memset(s_tmp->obj_hash, 0,
74592 + s_tmp->obj_hash_size *
74593 + sizeof (struct acl_object_label *));
74594 +
74595 + /* add in objects */
74596 + err = copy_user_objs(ghash.first, s_tmp, role);
74597 +
74598 + if (err)
74599 + return ERR_PTR(err);
74600 +
74601 + /* set pointer for parent subject */
74602 + if (s_tmp->parent_subject) {
74603 + s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role, NULL);
74604 +
74605 + if (IS_ERR(s_tmp2))
74606 + return s_tmp2;
74607 +
74608 + s_tmp->parent_subject = s_tmp2;
74609 + }
74610 +
74611 + /* add in ip acls */
74612 +
74613 + if (!s_tmp->ip_num) {
74614 + s_tmp->ips = NULL;
74615 + goto insert;
74616 + }
74617 +
74618 + i_tmp =
74619 + (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num,
74620 + sizeof (struct acl_ip_label *));
74621 +
74622 + if (!i_tmp)
74623 + return ERR_PTR(-ENOMEM);
74624 +
74625 + for (i_num = 0; i_num < s_tmp->ip_num; i_num++) {
74626 + *(i_tmp + i_num) =
74627 + (struct acl_ip_label *)
74628 + acl_alloc(sizeof (struct acl_ip_label));
74629 + if (!*(i_tmp + i_num))
74630 + return ERR_PTR(-ENOMEM);
74631 +
74632 + if (copy_pointer_from_array(&i_utmp2, i_num, s_tmp->ips))
74633 + return ERR_PTR(-EFAULT);
74634 +
74635 + if (copy_acl_ip_label(*(i_tmp + i_num), i_utmp2))
74636 + return ERR_PTR(-EFAULT);
74637 +
74638 + if ((*(i_tmp + i_num))->iface == NULL)
74639 + continue;
74640 +
74641 + err = alloc_and_copy_string(&(*(i_tmp + i_num))->iface, IFNAMSIZ);
74642 + if (err)
74643 + return ERR_PTR(err);
74644 + }
74645 +
74646 + s_tmp->ips = i_tmp;
74647 +
74648 +insert:
74649 + if (!insert_name_entry(s_tmp->filename, s_tmp->inode,
74650 + s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0))
74651 + return ERR_PTR(-ENOMEM);
74652 +
74653 + return s_tmp;
74654 +}
74655 +
74656 +static int
74657 +copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role)
74658 +{
74659 + struct acl_subject_label s_pre;
74660 + struct acl_subject_label * ret;
74661 + int err;
74662 +
74663 + while (userp) {
74664 + if (copy_acl_subject_label(&s_pre, userp))
74665 + return -EFAULT;
74666 +
74667 + ret = do_copy_user_subj(userp, role, NULL);
74668 +
74669 + err = PTR_ERR(ret);
74670 + if (IS_ERR(ret))
74671 + return err;
74672 +
74673 + insert_acl_subj_label(ret, role);
74674 +
74675 + userp = s_pre.prev;
74676 + }
74677 +
74678 + return 0;
74679 +}
74680 +
74681 +static int
74682 +copy_user_acl(struct gr_arg *arg)
74683 +{
74684 + struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2;
74685 + struct acl_subject_label *subj_list;
74686 + struct sprole_pw *sptmp;
74687 + struct gr_hash_struct *ghash;
74688 + uid_t *domainlist;
74689 + unsigned int r_num;
74690 + int err = 0;
74691 + __u16 i;
74692 + __u32 num_subjs;
74693 +
74694 + /* we need a default and kernel role */
74695 + if (arg->role_db.num_roles < 2)
74696 + return -EINVAL;
74697 +
74698 + /* copy special role authentication info from userspace */
74699 +
74700 + polstate->num_sprole_pws = arg->num_sprole_pws;
74701 + polstate->acl_special_roles = (struct sprole_pw **) acl_alloc_num(polstate->num_sprole_pws, sizeof(struct sprole_pw *));
74702 +
74703 + if (!polstate->acl_special_roles && polstate->num_sprole_pws)
74704 + return -ENOMEM;
74705 +
74706 + for (i = 0; i < polstate->num_sprole_pws; i++) {
74707 + sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw));
74708 + if (!sptmp)
74709 + return -ENOMEM;
74710 + if (copy_sprole_pw(sptmp, i, arg->sprole_pws))
74711 + return -EFAULT;
74712 +
74713 + err = alloc_and_copy_string((char **)&sptmp->rolename, GR_SPROLE_LEN);
74714 + if (err)
74715 + return err;
74716 +
74717 +#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG
74718 + printk(KERN_ALERT "Copying special role %s\n", sptmp->rolename);
74719 +#endif
74720 +
74721 + polstate->acl_special_roles[i] = sptmp;
74722 + }
74723 +
74724 + r_utmp = (struct acl_role_label **) arg->role_db.r_table;
74725 +
74726 + for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) {
74727 + r_tmp = acl_alloc(sizeof (struct acl_role_label));
74728 +
74729 + if (!r_tmp)
74730 + return -ENOMEM;
74731 +
74732 + if (copy_pointer_from_array(&r_utmp2, r_num, r_utmp))
74733 + return -EFAULT;
74734 +
74735 + if (copy_acl_role_label(r_tmp, r_utmp2))
74736 + return -EFAULT;
74737 +
74738 + err = alloc_and_copy_string(&r_tmp->rolename, GR_SPROLE_LEN);
74739 + if (err)
74740 + return err;
74741 +
74742 + if (!strcmp(r_tmp->rolename, "default")
74743 + && (r_tmp->roletype & GR_ROLE_DEFAULT)) {
74744 + polstate->default_role = r_tmp;
74745 + } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) {
74746 + polstate->kernel_role = r_tmp;
74747 + }
74748 +
74749 + if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL)
74750 + return -ENOMEM;
74751 +
74752 + if (copy_gr_hash_struct(ghash, r_tmp->hash))
74753 + return -EFAULT;
74754 +
74755 + r_tmp->hash = ghash;
74756 +
74757 + num_subjs = count_user_subjs(r_tmp->hash->first);
74758 +
74759 + r_tmp->subj_hash_size = num_subjs;
74760 + r_tmp->subj_hash =
74761 + (struct acl_subject_label **)
74762 + create_table(&(r_tmp->subj_hash_size), sizeof(void *));
74763 +
74764 + if (!r_tmp->subj_hash)
74765 + return -ENOMEM;
74766 +
74767 + err = copy_user_allowedips(r_tmp);
74768 + if (err)
74769 + return err;
74770 +
74771 + /* copy domain info */
74772 + if (r_tmp->domain_children != NULL) {
74773 + domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t));
74774 + if (domainlist == NULL)
74775 + return -ENOMEM;
74776 +
74777 + if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t)))
74778 + return -EFAULT;
74779 +
74780 + r_tmp->domain_children = domainlist;
74781 + }
74782 +
74783 + err = copy_user_transitions(r_tmp);
74784 + if (err)
74785 + return err;
74786 +
74787 + memset(r_tmp->subj_hash, 0,
74788 + r_tmp->subj_hash_size *
74789 + sizeof (struct acl_subject_label *));
74790 +
74791 + /* acquire the list of subjects, then NULL out
74792 + the list prior to parsing the subjects for this role,
74793 + as during this parsing the list is replaced with a list
74794 + of *nested* subjects for the role
74795 + */
74796 + subj_list = r_tmp->hash->first;
74797 +
74798 + /* set nested subject list to null */
74799 + r_tmp->hash->first = NULL;
74800 +
74801 + err = copy_user_subjs(subj_list, r_tmp);
74802 +
74803 + if (err)
74804 + return err;
74805 +
74806 + insert_acl_role_label(r_tmp);
74807 + }
74808 +
74809 + if (polstate->default_role == NULL || polstate->kernel_role == NULL)
74810 + return -EINVAL;
74811 +
74812 + return err;
74813 +}
74814 +
74815 +static int gracl_reload_apply_policies(void *reload)
74816 +{
74817 + struct gr_reload_state *reload_state = (struct gr_reload_state *)reload;
74818 + struct task_struct *task, *task2;
74819 + struct acl_role_label *role, *rtmp;
74820 + struct acl_subject_label *subj;
74821 + const struct cred *cred;
74822 + int role_applied;
74823 + int ret = 0;
74824 +
74825 + memcpy(&reload_state->oldpolicy, reload_state->oldpolicy_ptr, sizeof(struct gr_policy_state));
74826 + memcpy(&reload_state->oldalloc, reload_state->oldalloc_ptr, sizeof(struct gr_alloc_state));
74827 +
74828 + /* first make sure we'll be able to apply the new policy cleanly */
74829 + do_each_thread(task2, task) {
74830 + if (task->exec_file == NULL)
74831 + continue;
74832 + role_applied = 0;
74833 + if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) {
74834 + /* preserve special roles */
74835 + FOR_EACH_ROLE_START(role)
74836 + if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) {
74837 + rtmp = task->role;
74838 + task->role = role;
74839 + role_applied = 1;
74840 + break;
74841 + }
74842 + FOR_EACH_ROLE_END(role)
74843 + }
74844 + if (!role_applied) {
74845 + cred = __task_cred(task);
74846 + rtmp = task->role;
74847 + task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid));
74848 + }
74849 + /* this handles non-nested inherited subjects, nested subjects will still
74850 + be dropped currently */
74851 + subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1);
74852 + task->tmpacl = __gr_get_subject_for_task(polstate, task, NULL, 1);
74853 + /* change the role back so that we've made no modifications to the policy */
74854 + task->role = rtmp;
74855 +
74856 + if (subj == NULL || task->tmpacl == NULL) {
74857 + ret = -EINVAL;
74858 + goto out;
74859 + }
74860 + } while_each_thread(task2, task);
74861 +
74862 + /* now actually apply the policy */
74863 +
74864 + do_each_thread(task2, task) {
74865 + if (task->exec_file) {
74866 + role_applied = 0;
74867 + if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) {
74868 + /* preserve special roles */
74869 + FOR_EACH_ROLE_START(role)
74870 + if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) {
74871 + task->role = role;
74872 + role_applied = 1;
74873 + break;
74874 + }
74875 + FOR_EACH_ROLE_END(role)
74876 + }
74877 + if (!role_applied) {
74878 + cred = __task_cred(task);
74879 + task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid));
74880 + }
74881 + /* this handles non-nested inherited subjects, nested subjects will still
74882 + be dropped currently */
74883 + if (!reload_state->oldmode && task->inherited)
74884 + subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1);
74885 + else {
74886 + /* looked up and tagged to the task previously */
74887 + subj = task->tmpacl;
74888 + }
74889 + /* subj will be non-null */
74890 + __gr_apply_subject_to_task(polstate, task, subj);
74891 + if (reload_state->oldmode) {
74892 + task->acl_role_id = 0;
74893 + task->acl_sp_role = 0;
74894 + task->inherited = 0;
74895 + }
74896 + } else {
74897 + // it's a kernel process
74898 + task->role = polstate->kernel_role;
74899 + task->acl = polstate->kernel_role->root_label;
74900 +#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN
74901 + task->acl->mode &= ~GR_PROCFIND;
74902 +#endif
74903 + }
74904 + } while_each_thread(task2, task);
74905 +
74906 + memcpy(reload_state->oldpolicy_ptr, &reload_state->newpolicy, sizeof(struct gr_policy_state));
74907 + memcpy(reload_state->oldalloc_ptr, &reload_state->newalloc, sizeof(struct gr_alloc_state));
74908 +
74909 +out:
74910 +
74911 + return ret;
74912 +}
74913 +
74914 +static int gracl_reload(struct gr_arg *args, unsigned char oldmode)
74915 +{
74916 + struct gr_reload_state new_reload_state = { };
74917 + int err;
74918 +
74919 + new_reload_state.oldpolicy_ptr = polstate;
74920 + new_reload_state.oldalloc_ptr = current_alloc_state;
74921 + new_reload_state.oldmode = oldmode;
74922 +
74923 + current_alloc_state = &new_reload_state.newalloc;
74924 + polstate = &new_reload_state.newpolicy;
74925 +
74926 + /* everything relevant is now saved off, copy in the new policy */
74927 + if (init_variables(args, true)) {
74928 + gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION);
74929 + err = -ENOMEM;
74930 + goto error;
74931 + }
74932 +
74933 + err = copy_user_acl(args);
74934 + free_init_variables();
74935 + if (err)
74936 + goto error;
74937 + /* the new policy is copied in, with the old policy available via saved_state
74938 + first go through applying roles, making sure to preserve special roles
74939 + then apply new subjects, making sure to preserve inherited and nested subjects,
74940 + though currently only inherited subjects will be preserved
74941 + */
74942 + err = stop_machine(gracl_reload_apply_policies, &new_reload_state, NULL);
74943 + if (err)
74944 + goto error;
74945 +
74946 + /* we've now applied the new policy, so restore the old policy state to free it */
74947 + polstate = &new_reload_state.oldpolicy;
74948 + current_alloc_state = &new_reload_state.oldalloc;
74949 + free_variables(true);
74950 +
74951 + /* oldpolicy/oldalloc_ptr point to the new policy/alloc states as they were copied
74952 + to running_polstate/current_alloc_state inside stop_machine
74953 + */
74954 + err = 0;
74955 + goto out;
74956 +error:
74957 + /* on error of loading the new policy, we'll just keep the previous
74958 + policy set around
74959 + */
74960 + free_variables(true);
74961 +
74962 + /* doesn't affect runtime, but maintains consistent state */
74963 +out:
74964 + polstate = new_reload_state.oldpolicy_ptr;
74965 + current_alloc_state = new_reload_state.oldalloc_ptr;
74966 +
74967 + return err;
74968 +}
74969 +
74970 +static int
74971 +gracl_init(struct gr_arg *args)
74972 +{
74973 + int error = 0;
74974 +
74975 + memcpy(gr_system_salt, args->salt, GR_SALT_LEN);
74976 + memcpy(gr_system_sum, args->sum, GR_SHA_LEN);
74977 +
74978 + if (init_variables(args, false)) {
74979 + gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION);
74980 + error = -ENOMEM;
74981 + goto out;
74982 + }
74983 +
74984 + error = copy_user_acl(args);
74985 + free_init_variables();
74986 + if (error)
74987 + goto out;
74988 +
74989 + error = gr_set_acls(0);
74990 + if (error)
74991 + goto out;
74992 +
74993 + gr_enable_rbac_system();
74994 +
74995 + return 0;
74996 +
74997 +out:
74998 + free_variables(false);
74999 + return error;
75000 +}
75001 +
75002 +static int
75003 +lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt,
75004 + unsigned char **sum)
75005 +{
75006 + struct acl_role_label *r;
75007 + struct role_allowed_ip *ipp;
75008 + struct role_transition *trans;
75009 + unsigned int i;
75010 + int found = 0;
75011 + u32 curr_ip = current->signal->curr_ip;
75012 +
75013 + current->signal->saved_ip = curr_ip;
75014 +
75015 + /* check transition table */
75016 +
75017 + for (trans = current->role->transitions; trans; trans = trans->next) {
75018 + if (!strcmp(rolename, trans->rolename)) {
75019 + found = 1;
75020 + break;
75021 + }
75022 + }
75023 +
75024 + if (!found)
75025 + return 0;
75026 +
75027 + /* handle special roles that do not require authentication
75028 + and check ip */
75029 +
75030 + FOR_EACH_ROLE_START(r)
75031 + if (!strcmp(rolename, r->rolename) &&
75032 + (r->roletype & GR_ROLE_SPECIAL)) {
75033 + found = 0;
75034 + if (r->allowed_ips != NULL) {
75035 + for (ipp = r->allowed_ips; ipp; ipp = ipp->next) {
75036 + if ((ntohl(curr_ip) & ipp->netmask) ==
75037 + (ntohl(ipp->addr) & ipp->netmask))
75038 + found = 1;
75039 + }
75040 + } else
75041 + found = 2;
75042 + if (!found)
75043 + return 0;
75044 +
75045 + if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) ||
75046 + ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) {
75047 + *salt = NULL;
75048 + *sum = NULL;
75049 + return 1;
75050 + }
75051 + }
75052 + FOR_EACH_ROLE_END(r)
75053 +
75054 + for (i = 0; i < polstate->num_sprole_pws; i++) {
75055 + if (!strcmp(rolename, polstate->acl_special_roles[i]->rolename)) {
75056 + *salt = polstate->acl_special_roles[i]->salt;
75057 + *sum = polstate->acl_special_roles[i]->sum;
75058 + return 1;
75059 + }
75060 + }
75061 +
75062 + return 0;
75063 +}
75064 +
75065 +int gr_check_secure_terminal(struct task_struct *task)
75066 +{
75067 + struct task_struct *p, *p2, *p3;
75068 + struct files_struct *files;
75069 + struct fdtable *fdt;
75070 + struct file *our_file = NULL, *file;
75071 + int i;
75072 +
75073 + if (task->signal->tty == NULL)
75074 + return 1;
75075 +
75076 + files = get_files_struct(task);
75077 + if (files != NULL) {
75078 + rcu_read_lock();
75079 + fdt = files_fdtable(files);
75080 + for (i=0; i < fdt->max_fds; i++) {
75081 + file = fcheck_files(files, i);
75082 + if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) {
75083 + get_file(file);
75084 + our_file = file;
75085 + }
75086 + }
75087 + rcu_read_unlock();
75088 + put_files_struct(files);
75089 + }
75090 +
75091 + if (our_file == NULL)
75092 + return 1;
75093 +
75094 + read_lock(&tasklist_lock);
75095 + do_each_thread(p2, p) {
75096 + files = get_files_struct(p);
75097 + if (files == NULL ||
75098 + (p->signal && p->signal->tty == task->signal->tty)) {
75099 + if (files != NULL)
75100 + put_files_struct(files);
75101 + continue;
75102 + }
75103 + rcu_read_lock();
75104 + fdt = files_fdtable(files);
75105 + for (i=0; i < fdt->max_fds; i++) {
75106 + file = fcheck_files(files, i);
75107 + if (file && S_ISCHR(file->f_path.dentry->d_inode->i_mode) &&
75108 + file->f_path.dentry->d_inode->i_rdev == our_file->f_path.dentry->d_inode->i_rdev) {
75109 + p3 = task;
75110 + while (task_pid_nr(p3) > 0) {
75111 + if (p3 == p)
75112 + break;
75113 + p3 = p3->real_parent;
75114 + }
75115 + if (p3 == p)
75116 + break;
75117 + gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p);
75118 + gr_handle_alertkill(p);
75119 + rcu_read_unlock();
75120 + put_files_struct(files);
75121 + read_unlock(&tasklist_lock);
75122 + fput(our_file);
75123 + return 0;
75124 + }
75125 + }
75126 + rcu_read_unlock();
75127 + put_files_struct(files);
75128 + } while_each_thread(p2, p);
75129 + read_unlock(&tasklist_lock);
75130 +
75131 + fput(our_file);
75132 + return 1;
75133 +}
75134 +
75135 +ssize_t
75136 +write_grsec_handler(struct file *file, const char __user * buf, size_t count, loff_t *ppos)
75137 +{
75138 + struct gr_arg_wrapper uwrap;
75139 + unsigned char *sprole_salt = NULL;
75140 + unsigned char *sprole_sum = NULL;
75141 + int error = 0;
75142 + int error2 = 0;
75143 + size_t req_count = 0;
75144 + unsigned char oldmode = 0;
75145 +
75146 + mutex_lock(&gr_dev_mutex);
75147 +
75148 + if (gr_acl_is_enabled() && !(current->acl->mode & GR_KERNELAUTH)) {
75149 + error = -EPERM;
75150 + goto out;
75151 + }
75152 +
75153 +#ifdef CONFIG_COMPAT
75154 + pax_open_kernel();
75155 + if (is_compat_task()) {
75156 + copy_gr_arg_wrapper = &copy_gr_arg_wrapper_compat;
75157 + copy_gr_arg = &copy_gr_arg_compat;
75158 + copy_acl_object_label = &copy_acl_object_label_compat;
75159 + copy_acl_subject_label = &copy_acl_subject_label_compat;
75160 + copy_acl_role_label = &copy_acl_role_label_compat;
75161 + copy_acl_ip_label = &copy_acl_ip_label_compat;
75162 + copy_role_allowed_ip = &copy_role_allowed_ip_compat;
75163 + copy_role_transition = &copy_role_transition_compat;
75164 + copy_sprole_pw = &copy_sprole_pw_compat;
75165 + copy_gr_hash_struct = &copy_gr_hash_struct_compat;
75166 + copy_pointer_from_array = &copy_pointer_from_array_compat;
75167 + get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_compat;
75168 + } else {
75169 + copy_gr_arg_wrapper = &copy_gr_arg_wrapper_normal;
75170 + copy_gr_arg = &copy_gr_arg_normal;
75171 + copy_acl_object_label = &copy_acl_object_label_normal;
75172 + copy_acl_subject_label = &copy_acl_subject_label_normal;
75173 + copy_acl_role_label = &copy_acl_role_label_normal;
75174 + copy_acl_ip_label = &copy_acl_ip_label_normal;
75175 + copy_role_allowed_ip = &copy_role_allowed_ip_normal;
75176 + copy_role_transition = &copy_role_transition_normal;
75177 + copy_sprole_pw = &copy_sprole_pw_normal;
75178 + copy_gr_hash_struct = &copy_gr_hash_struct_normal;
75179 + copy_pointer_from_array = &copy_pointer_from_array_normal;
75180 + get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_normal;
75181 + }
75182 + pax_close_kernel();
75183 +#endif
75184 +
75185 + req_count = get_gr_arg_wrapper_size();
75186 +
75187 + if (count != req_count) {
75188 + gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)req_count);
75189 + error = -EINVAL;
75190 + goto out;
75191 + }
75192 +
75193 +
75194 + if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) {
75195 + gr_auth_expires = 0;
75196 + gr_auth_attempts = 0;
75197 + }
75198 +
75199 + error = copy_gr_arg_wrapper(buf, &uwrap);
75200 + if (error)
75201 + goto out;
75202 +
75203 + error = copy_gr_arg(uwrap.arg, gr_usermode);
75204 + if (error)
75205 + goto out;
75206 +
75207 + if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM &&
75208 + gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
75209 + time_after(gr_auth_expires, get_seconds())) {
75210 + error = -EBUSY;
75211 + goto out;
75212 + }
75213 +
75214 + /* if non-root trying to do anything other than use a special role,
75215 + do not attempt authentication, do not count towards authentication
75216 + locking
75217 + */
75218 +
75219 + if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS &&
75220 + gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM &&
75221 + gr_is_global_nonroot(current_uid())) {
75222 + error = -EPERM;
75223 + goto out;
75224 + }
75225 +
75226 + /* ensure pw and special role name are null terminated */
75227 +
75228 + gr_usermode->pw[GR_PW_LEN - 1] = '\0';
75229 + gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0';
75230 +
75231 + /* Okay.
75232 + * We have our enough of the argument structure..(we have yet
75233 + * to copy_from_user the tables themselves) . Copy the tables
75234 + * only if we need them, i.e. for loading operations. */
75235 +
75236 + switch (gr_usermode->mode) {
75237 + case GR_STATUS:
75238 + if (gr_acl_is_enabled()) {
75239 + error = 1;
75240 + if (!gr_check_secure_terminal(current))
75241 + error = 3;
75242 + } else
75243 + error = 2;
75244 + goto out;
75245 + case GR_SHUTDOWN:
75246 + if (gr_acl_is_enabled() && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
75247 + stop_machine(gr_rbac_disable, NULL, NULL);
75248 + free_variables(false);
75249 + memset(gr_usermode, 0, sizeof(struct gr_arg));
75250 + memset(gr_system_salt, 0, GR_SALT_LEN);
75251 + memset(gr_system_sum, 0, GR_SHA_LEN);
75252 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG);
75253 + } else if (gr_acl_is_enabled()) {
75254 + gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG);
75255 + error = -EPERM;
75256 + } else {
75257 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG);
75258 + error = -EAGAIN;
75259 + }
75260 + break;
75261 + case GR_ENABLE:
75262 + if (!gr_acl_is_enabled() && !(error2 = gracl_init(gr_usermode)))
75263 + gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION);
75264 + else {
75265 + if (gr_acl_is_enabled())
75266 + error = -EAGAIN;
75267 + else
75268 + error = error2;
75269 + gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION);
75270 + }
75271 + break;
75272 + case GR_OLDRELOAD:
75273 + oldmode = 1;
75274 + case GR_RELOAD:
75275 + if (!gr_acl_is_enabled()) {
75276 + gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION);
75277 + error = -EAGAIN;
75278 + } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
75279 + error2 = gracl_reload(gr_usermode, oldmode);
75280 + if (!error2)
75281 + gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION);
75282 + else {
75283 + gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
75284 + error = error2;
75285 + }
75286 + } else {
75287 + gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION);
75288 + error = -EPERM;
75289 + }
75290 + break;
75291 + case GR_SEGVMOD:
75292 + if (unlikely(!gr_acl_is_enabled())) {
75293 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG);
75294 + error = -EAGAIN;
75295 + break;
75296 + }
75297 +
75298 + if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) {
75299 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG);
75300 + if (gr_usermode->segv_device && gr_usermode->segv_inode) {
75301 + struct acl_subject_label *segvacl;
75302 + segvacl =
75303 + lookup_acl_subj_label(gr_usermode->segv_inode,
75304 + gr_usermode->segv_device,
75305 + current->role);
75306 + if (segvacl) {
75307 + segvacl->crashes = 0;
75308 + segvacl->expires = 0;
75309 + }
75310 + } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) {
75311 + gr_remove_uid(gr_usermode->segv_uid);
75312 + }
75313 + } else {
75314 + gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG);
75315 + error = -EPERM;
75316 + }
75317 + break;
75318 + case GR_SPROLE:
75319 + case GR_SPROLEPAM:
75320 + if (unlikely(!gr_acl_is_enabled())) {
75321 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG);
75322 + error = -EAGAIN;
75323 + break;
75324 + }
75325 +
75326 + if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) {
75327 + current->role->expires = 0;
75328 + current->role->auth_attempts = 0;
75329 + }
75330 +
75331 + if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES &&
75332 + time_after(current->role->expires, get_seconds())) {
75333 + error = -EBUSY;
75334 + goto out;
75335 + }
75336 +
75337 + if (lookup_special_role_auth
75338 + (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum)
75339 + && ((!sprole_salt && !sprole_sum)
75340 + || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) {
75341 + char *p = "";
75342 + assign_special_role(gr_usermode->sp_role);
75343 + read_lock(&tasklist_lock);
75344 + if (current->real_parent)
75345 + p = current->real_parent->role->rolename;
75346 + read_unlock(&tasklist_lock);
75347 + gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG,
75348 + p, acl_sp_role_value);
75349 + } else {
75350 + gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role);
75351 + error = -EPERM;
75352 + if(!(current->role->auth_attempts++))
75353 + current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
75354 +
75355 + goto out;
75356 + }
75357 + break;
75358 + case GR_UNSPROLE:
75359 + if (unlikely(!gr_acl_is_enabled())) {
75360 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG);
75361 + error = -EAGAIN;
75362 + break;
75363 + }
75364 +
75365 + if (current->role->roletype & GR_ROLE_SPECIAL) {
75366 + char *p = "";
75367 + int i = 0;
75368 +
75369 + read_lock(&tasklist_lock);
75370 + if (current->real_parent) {
75371 + p = current->real_parent->role->rolename;
75372 + i = current->real_parent->acl_role_id;
75373 + }
75374 + read_unlock(&tasklist_lock);
75375 +
75376 + gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i);
75377 + gr_set_acls(1);
75378 + } else {
75379 + error = -EPERM;
75380 + goto out;
75381 + }
75382 + break;
75383 + default:
75384 + gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode);
75385 + error = -EINVAL;
75386 + break;
75387 + }
75388 +
75389 + if (error != -EPERM)
75390 + goto out;
75391 +
75392 + if(!(gr_auth_attempts++))
75393 + gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT;
75394 +
75395 + out:
75396 + mutex_unlock(&gr_dev_mutex);
75397 +
75398 + if (!error)
75399 + error = req_count;
75400 +
75401 + return error;
75402 +}
75403 +
75404 +int
75405 +gr_set_acls(const int type)
75406 +{
75407 + struct task_struct *task, *task2;
75408 + struct acl_role_label *role = current->role;
75409 + struct acl_subject_label *subj;
75410 + __u16 acl_role_id = current->acl_role_id;
75411 + const struct cred *cred;
75412 + int ret;
75413 +
75414 + rcu_read_lock();
75415 + read_lock(&tasklist_lock);
75416 + read_lock(&grsec_exec_file_lock);
75417 + do_each_thread(task2, task) {
75418 + /* check to see if we're called from the exit handler,
75419 + if so, only replace ACLs that have inherited the admin
75420 + ACL */
75421 +
75422 + if (type && (task->role != role ||
75423 + task->acl_role_id != acl_role_id))
75424 + continue;
75425 +
75426 + task->acl_role_id = 0;
75427 + task->acl_sp_role = 0;
75428 + task->inherited = 0;
75429 +
75430 + if (task->exec_file) {
75431 + cred = __task_cred(task);
75432 + task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid));
75433 + subj = __gr_get_subject_for_task(polstate, task, NULL, 1);
75434 + if (subj == NULL) {
75435 + ret = -EINVAL;
75436 + read_unlock(&grsec_exec_file_lock);
75437 + read_unlock(&tasklist_lock);
75438 + rcu_read_unlock();
75439 + gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task_pid_nr(task));
75440 + return ret;
75441 + }
75442 + __gr_apply_subject_to_task(polstate, task, subj);
75443 + } else {
75444 + // it's a kernel process
75445 + task->role = polstate->kernel_role;
75446 + task->acl = polstate->kernel_role->root_label;
75447 +#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN
75448 + task->acl->mode &= ~GR_PROCFIND;
75449 +#endif
75450 + }
75451 + } while_each_thread(task2, task);
75452 + read_unlock(&grsec_exec_file_lock);
75453 + read_unlock(&tasklist_lock);
75454 + rcu_read_unlock();
75455 +
75456 + return 0;
75457 +}
75458 diff --git a/grsecurity/gracl_res.c b/grsecurity/gracl_res.c
75459 new file mode 100644
75460 index 0000000..39645c9
75461 --- /dev/null
75462 +++ b/grsecurity/gracl_res.c
75463 @@ -0,0 +1,68 @@
75464 +#include <linux/kernel.h>
75465 +#include <linux/sched.h>
75466 +#include <linux/gracl.h>
75467 +#include <linux/grinternal.h>
75468 +
75469 +static const char *restab_log[] = {
75470 + [RLIMIT_CPU] = "RLIMIT_CPU",
75471 + [RLIMIT_FSIZE] = "RLIMIT_FSIZE",
75472 + [RLIMIT_DATA] = "RLIMIT_DATA",
75473 + [RLIMIT_STACK] = "RLIMIT_STACK",
75474 + [RLIMIT_CORE] = "RLIMIT_CORE",
75475 + [RLIMIT_RSS] = "RLIMIT_RSS",
75476 + [RLIMIT_NPROC] = "RLIMIT_NPROC",
75477 + [RLIMIT_NOFILE] = "RLIMIT_NOFILE",
75478 + [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK",
75479 + [RLIMIT_AS] = "RLIMIT_AS",
75480 + [RLIMIT_LOCKS] = "RLIMIT_LOCKS",
75481 + [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING",
75482 + [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE",
75483 + [RLIMIT_NICE] = "RLIMIT_NICE",
75484 + [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO",
75485 + [RLIMIT_RTTIME] = "RLIMIT_RTTIME",
75486 + [GR_CRASH_RES] = "RLIMIT_CRASH"
75487 +};
75488 +
75489 +void
75490 +gr_log_resource(const struct task_struct *task,
75491 + const int res, const unsigned long wanted, const int gt)
75492 +{
75493 + const struct cred *cred;
75494 + unsigned long rlim;
75495 +
75496 + if (!gr_acl_is_enabled() && !grsec_resource_logging)
75497 + return;
75498 +
75499 + // not yet supported resource
75500 + if (unlikely(!restab_log[res]))
75501 + return;
75502 +
75503 + if (res == RLIMIT_CPU || res == RLIMIT_RTTIME)
75504 + rlim = task_rlimit_max(task, res);
75505 + else
75506 + rlim = task_rlimit(task, res);
75507 +
75508 + if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim)))
75509 + return;
75510 +
75511 + rcu_read_lock();
75512 + cred = __task_cred(task);
75513 +
75514 + if (res == RLIMIT_NPROC &&
75515 + (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) ||
75516 + cap_raised(cred->cap_effective, CAP_SYS_RESOURCE)))
75517 + goto out_rcu_unlock;
75518 + else if (res == RLIMIT_MEMLOCK &&
75519 + cap_raised(cred->cap_effective, CAP_IPC_LOCK))
75520 + goto out_rcu_unlock;
75521 + else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE))
75522 + goto out_rcu_unlock;
75523 + rcu_read_unlock();
75524 +
75525 + gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim);
75526 +
75527 + return;
75528 +out_rcu_unlock:
75529 + rcu_read_unlock();
75530 + return;
75531 +}
75532 diff --git a/grsecurity/gracl_segv.c b/grsecurity/gracl_segv.c
75533 new file mode 100644
75534 index 0000000..2040e61
75535 --- /dev/null
75536 +++ b/grsecurity/gracl_segv.c
75537 @@ -0,0 +1,313 @@
75538 +#include <linux/kernel.h>
75539 +#include <linux/mm.h>
75540 +#include <asm/uaccess.h>
75541 +#include <asm/errno.h>
75542 +#include <asm/mman.h>
75543 +#include <net/sock.h>
75544 +#include <linux/file.h>
75545 +#include <linux/fs.h>
75546 +#include <linux/net.h>
75547 +#include <linux/in.h>
75548 +#include <linux/slab.h>
75549 +#include <linux/types.h>
75550 +#include <linux/sched.h>
75551 +#include <linux/timer.h>
75552 +#include <linux/gracl.h>
75553 +#include <linux/grsecurity.h>
75554 +#include <linux/grinternal.h>
75555 +#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE)
75556 +#include <linux/magic.h>
75557 +#include <linux/pagemap.h>
75558 +#include "../fs/btrfs/async-thread.h"
75559 +#include "../fs/btrfs/ctree.h"
75560 +#include "../fs/btrfs/btrfs_inode.h"
75561 +#endif
75562 +
75563 +static struct crash_uid *uid_set;
75564 +static unsigned short uid_used;
75565 +static DEFINE_SPINLOCK(gr_uid_lock);
75566 +extern rwlock_t gr_inode_lock;
75567 +extern struct acl_subject_label *
75568 + lookup_acl_subj_label(const ino_t inode, const dev_t dev,
75569 + struct acl_role_label *role);
75570 +
75571 +static inline dev_t __get_dev(const struct dentry *dentry)
75572 +{
75573 +#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE)
75574 + if (dentry->d_sb->s_magic == BTRFS_SUPER_MAGIC)
75575 + return BTRFS_I(dentry->d_inode)->root->anon_dev;
75576 + else
75577 +#endif
75578 + return dentry->d_sb->s_dev;
75579 +}
75580 +
75581 +int
75582 +gr_init_uidset(void)
75583 +{
75584 + uid_set =
75585 + kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL);
75586 + uid_used = 0;
75587 +
75588 + return uid_set ? 1 : 0;
75589 +}
75590 +
75591 +void
75592 +gr_free_uidset(void)
75593 +{
75594 + if (uid_set) {
75595 + struct crash_uid *tmpset;
75596 + spin_lock(&gr_uid_lock);
75597 + tmpset = uid_set;
75598 + uid_set = NULL;
75599 + uid_used = 0;
75600 + spin_unlock(&gr_uid_lock);
75601 + if (tmpset)
75602 + kfree(tmpset);
75603 + }
75604 +
75605 + return;
75606 +}
75607 +
75608 +int
75609 +gr_find_uid(const uid_t uid)
75610 +{
75611 + struct crash_uid *tmp = uid_set;
75612 + uid_t buid;
75613 + int low = 0, high = uid_used - 1, mid;
75614 +
75615 + while (high >= low) {
75616 + mid = (low + high) >> 1;
75617 + buid = tmp[mid].uid;
75618 + if (buid == uid)
75619 + return mid;
75620 + if (buid > uid)
75621 + high = mid - 1;
75622 + if (buid < uid)
75623 + low = mid + 1;
75624 + }
75625 +
75626 + return -1;
75627 +}
75628 +
75629 +static __inline__ void
75630 +gr_insertsort(void)
75631 +{
75632 + unsigned short i, j;
75633 + struct crash_uid index;
75634 +
75635 + for (i = 1; i < uid_used; i++) {
75636 + index = uid_set[i];
75637 + j = i;
75638 + while ((j > 0) && uid_set[j - 1].uid > index.uid) {
75639 + uid_set[j] = uid_set[j - 1];
75640 + j--;
75641 + }
75642 + uid_set[j] = index;
75643 + }
75644 +
75645 + return;
75646 +}
75647 +
75648 +static __inline__ void
75649 +gr_insert_uid(const kuid_t kuid, const unsigned long expires)
75650 +{
75651 + int loc;
75652 + uid_t uid = GR_GLOBAL_UID(kuid);
75653 +
75654 + if (uid_used == GR_UIDTABLE_MAX)
75655 + return;
75656 +
75657 + loc = gr_find_uid(uid);
75658 +
75659 + if (loc >= 0) {
75660 + uid_set[loc].expires = expires;
75661 + return;
75662 + }
75663 +
75664 + uid_set[uid_used].uid = uid;
75665 + uid_set[uid_used].expires = expires;
75666 + uid_used++;
75667 +
75668 + gr_insertsort();
75669 +
75670 + return;
75671 +}
75672 +
75673 +void
75674 +gr_remove_uid(const unsigned short loc)
75675 +{
75676 + unsigned short i;
75677 +
75678 + for (i = loc + 1; i < uid_used; i++)
75679 + uid_set[i - 1] = uid_set[i];
75680 +
75681 + uid_used--;
75682 +
75683 + return;
75684 +}
75685 +
75686 +int
75687 +gr_check_crash_uid(const kuid_t kuid)
75688 +{
75689 + int loc;
75690 + int ret = 0;
75691 + uid_t uid;
75692 +
75693 + if (unlikely(!gr_acl_is_enabled()))
75694 + return 0;
75695 +
75696 + uid = GR_GLOBAL_UID(kuid);
75697 +
75698 + spin_lock(&gr_uid_lock);
75699 + loc = gr_find_uid(uid);
75700 +
75701 + if (loc < 0)
75702 + goto out_unlock;
75703 +
75704 + if (time_before_eq(uid_set[loc].expires, get_seconds()))
75705 + gr_remove_uid(loc);
75706 + else
75707 + ret = 1;
75708 +
75709 +out_unlock:
75710 + spin_unlock(&gr_uid_lock);
75711 + return ret;
75712 +}
75713 +
75714 +static __inline__ int
75715 +proc_is_setxid(const struct cred *cred)
75716 +{
75717 + if (!uid_eq(cred->uid, cred->euid) || !uid_eq(cred->uid, cred->suid) ||
75718 + !uid_eq(cred->uid, cred->fsuid))
75719 + return 1;
75720 + if (!gid_eq(cred->gid, cred->egid) || !gid_eq(cred->gid, cred->sgid) ||
75721 + !gid_eq(cred->gid, cred->fsgid))
75722 + return 1;
75723 +
75724 + return 0;
75725 +}
75726 +
75727 +extern int gr_fake_force_sig(int sig, struct task_struct *t);
75728 +
75729 +void
75730 +gr_handle_crash(struct task_struct *task, const int sig)
75731 +{
75732 + struct acl_subject_label *curr;
75733 + struct task_struct *tsk, *tsk2;
75734 + const struct cred *cred;
75735 + const struct cred *cred2;
75736 +
75737 + if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL)
75738 + return;
75739 +
75740 + if (unlikely(!gr_acl_is_enabled()))
75741 + return;
75742 +
75743 + curr = task->acl;
75744 +
75745 + if (!(curr->resmask & (1U << GR_CRASH_RES)))
75746 + return;
75747 +
75748 + if (time_before_eq(curr->expires, get_seconds())) {
75749 + curr->expires = 0;
75750 + curr->crashes = 0;
75751 + }
75752 +
75753 + curr->crashes++;
75754 +
75755 + if (!curr->expires)
75756 + curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max;
75757 +
75758 + if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
75759 + time_after(curr->expires, get_seconds())) {
75760 + rcu_read_lock();
75761 + cred = __task_cred(task);
75762 + if (gr_is_global_nonroot(cred->uid) && proc_is_setxid(cred)) {
75763 + gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
75764 + spin_lock(&gr_uid_lock);
75765 + gr_insert_uid(cred->uid, curr->expires);
75766 + spin_unlock(&gr_uid_lock);
75767 + curr->expires = 0;
75768 + curr->crashes = 0;
75769 + read_lock(&tasklist_lock);
75770 + do_each_thread(tsk2, tsk) {
75771 + cred2 = __task_cred(tsk);
75772 + if (tsk != task && uid_eq(cred2->uid, cred->uid))
75773 + gr_fake_force_sig(SIGKILL, tsk);
75774 + } while_each_thread(tsk2, tsk);
75775 + read_unlock(&tasklist_lock);
75776 + } else {
75777 + gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max);
75778 + read_lock(&tasklist_lock);
75779 + read_lock(&grsec_exec_file_lock);
75780 + do_each_thread(tsk2, tsk) {
75781 + if (likely(tsk != task)) {
75782 + // if this thread has the same subject as the one that triggered
75783 + // RES_CRASH and it's the same binary, kill it
75784 + if (tsk->acl == task->acl && gr_is_same_file(tsk->exec_file, task->exec_file))
75785 + gr_fake_force_sig(SIGKILL, tsk);
75786 + }
75787 + } while_each_thread(tsk2, tsk);
75788 + read_unlock(&grsec_exec_file_lock);
75789 + read_unlock(&tasklist_lock);
75790 + }
75791 + rcu_read_unlock();
75792 + }
75793 +
75794 + return;
75795 +}
75796 +
75797 +int
75798 +gr_check_crash_exec(const struct file *filp)
75799 +{
75800 + struct acl_subject_label *curr;
75801 +
75802 + if (unlikely(!gr_acl_is_enabled()))
75803 + return 0;
75804 +
75805 + read_lock(&gr_inode_lock);
75806 + curr = lookup_acl_subj_label(filp->f_path.dentry->d_inode->i_ino,
75807 + __get_dev(filp->f_path.dentry),
75808 + current->role);
75809 + read_unlock(&gr_inode_lock);
75810 +
75811 + if (!curr || !(curr->resmask & (1U << GR_CRASH_RES)) ||
75812 + (!curr->crashes && !curr->expires))
75813 + return 0;
75814 +
75815 + if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) &&
75816 + time_after(curr->expires, get_seconds()))
75817 + return 1;
75818 + else if (time_before_eq(curr->expires, get_seconds())) {
75819 + curr->crashes = 0;
75820 + curr->expires = 0;
75821 + }
75822 +
75823 + return 0;
75824 +}
75825 +
75826 +void
75827 +gr_handle_alertkill(struct task_struct *task)
75828 +{
75829 + struct acl_subject_label *curracl;
75830 + __u32 curr_ip;
75831 + struct task_struct *p, *p2;
75832 +
75833 + if (unlikely(!gr_acl_is_enabled()))
75834 + return;
75835 +
75836 + curracl = task->acl;
75837 + curr_ip = task->signal->curr_ip;
75838 +
75839 + if ((curracl->mode & GR_KILLIPPROC) && curr_ip) {
75840 + read_lock(&tasklist_lock);
75841 + do_each_thread(p2, p) {
75842 + if (p->signal->curr_ip == curr_ip)
75843 + gr_fake_force_sig(SIGKILL, p);
75844 + } while_each_thread(p2, p);
75845 + read_unlock(&tasklist_lock);
75846 + } else if (curracl->mode & GR_KILLPROC)
75847 + gr_fake_force_sig(SIGKILL, task);
75848 +
75849 + return;
75850 +}
75851 diff --git a/grsecurity/gracl_shm.c b/grsecurity/gracl_shm.c
75852 new file mode 100644
75853 index 0000000..6b0c9cc
75854 --- /dev/null
75855 +++ b/grsecurity/gracl_shm.c
75856 @@ -0,0 +1,40 @@
75857 +#include <linux/kernel.h>
75858 +#include <linux/mm.h>
75859 +#include <linux/sched.h>
75860 +#include <linux/file.h>
75861 +#include <linux/ipc.h>
75862 +#include <linux/gracl.h>
75863 +#include <linux/grsecurity.h>
75864 +#include <linux/grinternal.h>
75865 +
75866 +int
75867 +gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
75868 + const u64 shm_createtime, const kuid_t cuid, const int shmid)
75869 +{
75870 + struct task_struct *task;
75871 +
75872 + if (!gr_acl_is_enabled())
75873 + return 1;
75874 +
75875 + rcu_read_lock();
75876 + read_lock(&tasklist_lock);
75877 +
75878 + task = find_task_by_vpid(shm_cprid);
75879 +
75880 + if (unlikely(!task))
75881 + task = find_task_by_vpid(shm_lapid);
75882 +
75883 + if (unlikely(task && (time_before_eq64(task->start_time, shm_createtime) ||
75884 + (task_pid_nr(task) == shm_lapid)) &&
75885 + (task->acl->mode & GR_PROTSHM) &&
75886 + (task->acl != current->acl))) {
75887 + read_unlock(&tasklist_lock);
75888 + rcu_read_unlock();
75889 + gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, GR_GLOBAL_UID(cuid), shm_cprid, shmid);
75890 + return 0;
75891 + }
75892 + read_unlock(&tasklist_lock);
75893 + rcu_read_unlock();
75894 +
75895 + return 1;
75896 +}
75897 diff --git a/grsecurity/grsec_chdir.c b/grsecurity/grsec_chdir.c
75898 new file mode 100644
75899 index 0000000..bc0be01
75900 --- /dev/null
75901 +++ b/grsecurity/grsec_chdir.c
75902 @@ -0,0 +1,19 @@
75903 +#include <linux/kernel.h>
75904 +#include <linux/sched.h>
75905 +#include <linux/fs.h>
75906 +#include <linux/file.h>
75907 +#include <linux/grsecurity.h>
75908 +#include <linux/grinternal.h>
75909 +
75910 +void
75911 +gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt)
75912 +{
75913 +#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
75914 + if ((grsec_enable_chdir && grsec_enable_group &&
75915 + in_group_p(grsec_audit_gid)) || (grsec_enable_chdir &&
75916 + !grsec_enable_group)) {
75917 + gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt);
75918 + }
75919 +#endif
75920 + return;
75921 +}
75922 diff --git a/grsecurity/grsec_chroot.c b/grsecurity/grsec_chroot.c
75923 new file mode 100644
75924 index 0000000..114ea4f
75925 --- /dev/null
75926 +++ b/grsecurity/grsec_chroot.c
75927 @@ -0,0 +1,467 @@
75928 +#include <linux/kernel.h>
75929 +#include <linux/module.h>
75930 +#include <linux/sched.h>
75931 +#include <linux/file.h>
75932 +#include <linux/fs.h>
75933 +#include <linux/mount.h>
75934 +#include <linux/types.h>
75935 +#include "../fs/mount.h"
75936 +#include <linux/grsecurity.h>
75937 +#include <linux/grinternal.h>
75938 +
75939 +#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD
75940 +int gr_init_ran;
75941 +#endif
75942 +
75943 +void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt)
75944 +{
75945 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
75946 + struct dentry *tmpd = dentry;
75947 +
75948 + read_seqlock_excl(&mount_lock);
75949 + write_seqlock(&rename_lock);
75950 +
75951 + while (tmpd != mnt->mnt_root) {
75952 + atomic_inc(&tmpd->chroot_refcnt);
75953 + tmpd = tmpd->d_parent;
75954 + }
75955 + atomic_inc(&tmpd->chroot_refcnt);
75956 +
75957 + write_sequnlock(&rename_lock);
75958 + read_sequnlock_excl(&mount_lock);
75959 +#endif
75960 +}
75961 +
75962 +void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt)
75963 +{
75964 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
75965 + struct dentry *tmpd = dentry;
75966 +
75967 + read_seqlock_excl(&mount_lock);
75968 + write_seqlock(&rename_lock);
75969 +
75970 + while (tmpd != mnt->mnt_root) {
75971 + atomic_dec(&tmpd->chroot_refcnt);
75972 + tmpd = tmpd->d_parent;
75973 + }
75974 + atomic_dec(&tmpd->chroot_refcnt);
75975 +
75976 + write_sequnlock(&rename_lock);
75977 + read_sequnlock_excl(&mount_lock);
75978 +#endif
75979 +}
75980 +
75981 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
75982 +static struct dentry *get_closest_chroot(struct dentry *dentry)
75983 +{
75984 + write_seqlock(&rename_lock);
75985 + do {
75986 + if (atomic_read(&dentry->chroot_refcnt)) {
75987 + write_sequnlock(&rename_lock);
75988 + return dentry;
75989 + }
75990 + dentry = dentry->d_parent;
75991 + } while (!IS_ROOT(dentry));
75992 + write_sequnlock(&rename_lock);
75993 + return NULL;
75994 +}
75995 +#endif
75996 +
75997 +int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt,
75998 + struct dentry *newdentry, struct vfsmount *newmnt)
75999 +{
76000 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
76001 + struct dentry *chroot;
76002 +
76003 + if (unlikely(!grsec_enable_chroot_rename))
76004 + return 0;
76005 +
76006 + if (likely(!proc_is_chrooted(current) && gr_is_global_root(current_uid())))
76007 + return 0;
76008 +
76009 + chroot = get_closest_chroot(olddentry);
76010 +
76011 + if (chroot == NULL)
76012 + return 0;
76013 +
76014 + if (is_subdir(newdentry, chroot))
76015 + return 0;
76016 +
76017 + gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_RENAME_MSG, olddentry, oldmnt);
76018 +
76019 + return 1;
76020 +#else
76021 + return 0;
76022 +#endif
76023 +}
76024 +
76025 +void gr_set_chroot_entries(struct task_struct *task, const struct path *path)
76026 +{
76027 +#ifdef CONFIG_GRKERNSEC
76028 + if (task_pid_nr(task) > 1 && path->dentry != init_task.fs->root.dentry &&
76029 + path->dentry != task->nsproxy->mnt_ns->root->mnt.mnt_root
76030 +#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD
76031 + && gr_init_ran
76032 +#endif
76033 + )
76034 + task->gr_is_chrooted = 1;
76035 + else {
76036 +#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD
76037 + if (task_pid_nr(task) == 1 && !gr_init_ran)
76038 + gr_init_ran = 1;
76039 +#endif
76040 + task->gr_is_chrooted = 0;
76041 + }
76042 +
76043 + task->gr_chroot_dentry = path->dentry;
76044 +#endif
76045 + return;
76046 +}
76047 +
76048 +void gr_clear_chroot_entries(struct task_struct *task)
76049 +{
76050 +#ifdef CONFIG_GRKERNSEC
76051 + task->gr_is_chrooted = 0;
76052 + task->gr_chroot_dentry = NULL;
76053 +#endif
76054 + return;
76055 +}
76056 +
76057 +int
76058 +gr_handle_chroot_unix(const pid_t pid)
76059 +{
76060 +#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
76061 + struct task_struct *p;
76062 +
76063 + if (unlikely(!grsec_enable_chroot_unix))
76064 + return 1;
76065 +
76066 + if (likely(!proc_is_chrooted(current)))
76067 + return 1;
76068 +
76069 + rcu_read_lock();
76070 + read_lock(&tasklist_lock);
76071 + p = find_task_by_vpid_unrestricted(pid);
76072 + if (unlikely(p && !have_same_root(current, p))) {
76073 + read_unlock(&tasklist_lock);
76074 + rcu_read_unlock();
76075 + gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG);
76076 + return 0;
76077 + }
76078 + read_unlock(&tasklist_lock);
76079 + rcu_read_unlock();
76080 +#endif
76081 + return 1;
76082 +}
76083 +
76084 +int
76085 +gr_handle_chroot_nice(void)
76086 +{
76087 +#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
76088 + if (grsec_enable_chroot_nice && proc_is_chrooted(current)) {
76089 + gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG);
76090 + return -EPERM;
76091 + }
76092 +#endif
76093 + return 0;
76094 +}
76095 +
76096 +int
76097 +gr_handle_chroot_setpriority(struct task_struct *p, const int niceval)
76098 +{
76099 +#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
76100 + if (grsec_enable_chroot_nice && (niceval < task_nice(p))
76101 + && proc_is_chrooted(current)) {
76102 + gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, task_pid_nr(p));
76103 + return -EACCES;
76104 + }
76105 +#endif
76106 + return 0;
76107 +}
76108 +
76109 +int
76110 +gr_handle_chroot_fowner(struct pid *pid, enum pid_type type)
76111 +{
76112 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
76113 + struct task_struct *p;
76114 + int ret = 0;
76115 + if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid)
76116 + return ret;
76117 +
76118 + read_lock(&tasklist_lock);
76119 + do_each_pid_task(pid, type, p) {
76120 + if (!have_same_root(current, p)) {
76121 + ret = 1;
76122 + goto out;
76123 + }
76124 + } while_each_pid_task(pid, type, p);
76125 +out:
76126 + read_unlock(&tasklist_lock);
76127 + return ret;
76128 +#endif
76129 + return 0;
76130 +}
76131 +
76132 +int
76133 +gr_pid_is_chrooted(struct task_struct *p)
76134 +{
76135 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
76136 + if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL)
76137 + return 0;
76138 +
76139 + if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) ||
76140 + !have_same_root(current, p)) {
76141 + return 1;
76142 + }
76143 +#endif
76144 + return 0;
76145 +}
76146 +
76147 +EXPORT_SYMBOL_GPL(gr_pid_is_chrooted);
76148 +
76149 +#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR)
76150 +int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt)
76151 +{
76152 + struct path path, currentroot;
76153 + int ret = 0;
76154 +
76155 + path.dentry = (struct dentry *)u_dentry;
76156 + path.mnt = (struct vfsmount *)u_mnt;
76157 + get_fs_root(current->fs, &currentroot);
76158 + if (path_is_under(&path, &currentroot))
76159 + ret = 1;
76160 + path_put(&currentroot);
76161 +
76162 + return ret;
76163 +}
76164 +#endif
76165 +
76166 +int
76167 +gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt)
76168 +{
76169 +#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
76170 + if (!grsec_enable_chroot_fchdir)
76171 + return 1;
76172 +
76173 + if (!proc_is_chrooted(current))
76174 + return 1;
76175 + else if (!gr_is_outside_chroot(u_dentry, u_mnt)) {
76176 + gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt);
76177 + return 0;
76178 + }
76179 +#endif
76180 + return 1;
76181 +}
76182 +
76183 +int
76184 +gr_chroot_fhandle(void)
76185 +{
76186 +#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
76187 + if (!grsec_enable_chroot_fchdir)
76188 + return 1;
76189 +
76190 + if (!proc_is_chrooted(current))
76191 + return 1;
76192 + else {
76193 + gr_log_noargs(GR_DONT_AUDIT, GR_CHROOT_FHANDLE_MSG);
76194 + return 0;
76195 + }
76196 +#endif
76197 + return 1;
76198 +}
76199 +
76200 +int
76201 +gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
76202 + const u64 shm_createtime)
76203 +{
76204 +#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
76205 + struct task_struct *p;
76206 +
76207 + if (unlikely(!grsec_enable_chroot_shmat))
76208 + return 1;
76209 +
76210 + if (likely(!proc_is_chrooted(current)))
76211 + return 1;
76212 +
76213 + rcu_read_lock();
76214 + read_lock(&tasklist_lock);
76215 +
76216 + if ((p = find_task_by_vpid_unrestricted(shm_cprid))) {
76217 + if (time_before_eq64(p->start_time, shm_createtime)) {
76218 + if (have_same_root(current, p)) {
76219 + goto allow;
76220 + } else {
76221 + read_unlock(&tasklist_lock);
76222 + rcu_read_unlock();
76223 + gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
76224 + return 0;
76225 + }
76226 + }
76227 + /* creator exited, pid reuse, fall through to next check */
76228 + }
76229 + if ((p = find_task_by_vpid_unrestricted(shm_lapid))) {
76230 + if (unlikely(!have_same_root(current, p))) {
76231 + read_unlock(&tasklist_lock);
76232 + rcu_read_unlock();
76233 + gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG);
76234 + return 0;
76235 + }
76236 + }
76237 +
76238 +allow:
76239 + read_unlock(&tasklist_lock);
76240 + rcu_read_unlock();
76241 +#endif
76242 + return 1;
76243 +}
76244 +
76245 +void
76246 +gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt)
76247 +{
76248 +#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
76249 + if (grsec_enable_chroot_execlog && proc_is_chrooted(current))
76250 + gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt);
76251 +#endif
76252 + return;
76253 +}
76254 +
76255 +int
76256 +gr_handle_chroot_mknod(const struct dentry *dentry,
76257 + const struct vfsmount *mnt, const int mode)
76258 +{
76259 +#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
76260 + if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) &&
76261 + proc_is_chrooted(current)) {
76262 + gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt);
76263 + return -EPERM;
76264 + }
76265 +#endif
76266 + return 0;
76267 +}
76268 +
76269 +int
76270 +gr_handle_chroot_mount(const struct dentry *dentry,
76271 + const struct vfsmount *mnt, const char *dev_name)
76272 +{
76273 +#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
76274 + if (grsec_enable_chroot_mount && proc_is_chrooted(current)) {
76275 + gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt);
76276 + return -EPERM;
76277 + }
76278 +#endif
76279 + return 0;
76280 +}
76281 +
76282 +int
76283 +gr_handle_chroot_pivot(void)
76284 +{
76285 +#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
76286 + if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) {
76287 + gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG);
76288 + return -EPERM;
76289 + }
76290 +#endif
76291 + return 0;
76292 +}
76293 +
76294 +int
76295 +gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt)
76296 +{
76297 +#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
76298 + if (grsec_enable_chroot_double && proc_is_chrooted(current) &&
76299 + !gr_is_outside_chroot(dentry, mnt)) {
76300 + gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt);
76301 + return -EPERM;
76302 + }
76303 +#endif
76304 + return 0;
76305 +}
76306 +
76307 +extern const char *captab_log[];
76308 +extern int captab_log_entries;
76309 +
76310 +int
76311 +gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
76312 +{
76313 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
76314 + if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
76315 + kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
76316 + if (cap_raised(chroot_caps, cap)) {
76317 + if (cap_raised(cred->cap_effective, cap) && cap < captab_log_entries) {
76318 + gr_log_cap(GR_DONT_AUDIT, GR_CAP_CHROOT_MSG, task, captab_log[cap]);
76319 + }
76320 + return 0;
76321 + }
76322 + }
76323 +#endif
76324 + return 1;
76325 +}
76326 +
76327 +int
76328 +gr_chroot_is_capable(const int cap)
76329 +{
76330 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
76331 + return gr_task_chroot_is_capable(current, current_cred(), cap);
76332 +#endif
76333 + return 1;
76334 +}
76335 +
76336 +int
76337 +gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap)
76338 +{
76339 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
76340 + if (grsec_enable_chroot_caps && proc_is_chrooted(task)) {
76341 + kernel_cap_t chroot_caps = GR_CHROOT_CAPS;
76342 + if (cap_raised(chroot_caps, cap)) {
76343 + return 0;
76344 + }
76345 + }
76346 +#endif
76347 + return 1;
76348 +}
76349 +
76350 +int
76351 +gr_chroot_is_capable_nolog(const int cap)
76352 +{
76353 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
76354 + return gr_task_chroot_is_capable_nolog(current, cap);
76355 +#endif
76356 + return 1;
76357 +}
76358 +
76359 +int
76360 +gr_handle_chroot_sysctl(const int op)
76361 +{
76362 +#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
76363 + if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) &&
76364 + proc_is_chrooted(current))
76365 + return -EACCES;
76366 +#endif
76367 + return 0;
76368 +}
76369 +
76370 +void
76371 +gr_handle_chroot_chdir(const struct path *path)
76372 +{
76373 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
76374 + if (grsec_enable_chroot_chdir)
76375 + set_fs_pwd(current->fs, path);
76376 +#endif
76377 + return;
76378 +}
76379 +
76380 +int
76381 +gr_handle_chroot_chmod(const struct dentry *dentry,
76382 + const struct vfsmount *mnt, const int mode)
76383 +{
76384 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
76385 + /* allow chmod +s on directories, but not files */
76386 + if (grsec_enable_chroot_chmod && !S_ISDIR(dentry->d_inode->i_mode) &&
76387 + ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) &&
76388 + proc_is_chrooted(current)) {
76389 + gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt);
76390 + return -EPERM;
76391 + }
76392 +#endif
76393 + return 0;
76394 +}
76395 diff --git a/grsecurity/grsec_disabled.c b/grsecurity/grsec_disabled.c
76396 new file mode 100644
76397 index 0000000..0f9ac91
76398 --- /dev/null
76399 +++ b/grsecurity/grsec_disabled.c
76400 @@ -0,0 +1,440 @@
76401 +#include <linux/kernel.h>
76402 +#include <linux/module.h>
76403 +#include <linux/sched.h>
76404 +#include <linux/file.h>
76405 +#include <linux/fs.h>
76406 +#include <linux/kdev_t.h>
76407 +#include <linux/net.h>
76408 +#include <linux/in.h>
76409 +#include <linux/ip.h>
76410 +#include <linux/skbuff.h>
76411 +#include <linux/sysctl.h>
76412 +
76413 +#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
76414 +void
76415 +pax_set_initial_flags(struct linux_binprm *bprm)
76416 +{
76417 + return;
76418 +}
76419 +#endif
76420 +
76421 +#ifdef CONFIG_SYSCTL
76422 +__u32
76423 +gr_handle_sysctl(const struct ctl_table * table, const int op)
76424 +{
76425 + return 0;
76426 +}
76427 +#endif
76428 +
76429 +#ifdef CONFIG_TASKSTATS
76430 +int gr_is_taskstats_denied(int pid)
76431 +{
76432 + return 0;
76433 +}
76434 +#endif
76435 +
76436 +int
76437 +gr_acl_is_enabled(void)
76438 +{
76439 + return 0;
76440 +}
76441 +
76442 +int
76443 +gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap)
76444 +{
76445 + return 0;
76446 +}
76447 +
76448 +void
76449 +gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode)
76450 +{
76451 + return;
76452 +}
76453 +
76454 +int
76455 +gr_handle_rawio(const struct inode *inode)
76456 +{
76457 + return 0;
76458 +}
76459 +
76460 +void
76461 +gr_acl_handle_psacct(struct task_struct *task, const long code)
76462 +{
76463 + return;
76464 +}
76465 +
76466 +int
76467 +gr_handle_ptrace(struct task_struct *task, const long request)
76468 +{
76469 + return 0;
76470 +}
76471 +
76472 +int
76473 +gr_handle_proc_ptrace(struct task_struct *task)
76474 +{
76475 + return 0;
76476 +}
76477 +
76478 +int
76479 +gr_set_acls(const int type)
76480 +{
76481 + return 0;
76482 +}
76483 +
76484 +int
76485 +gr_check_hidden_task(const struct task_struct *tsk)
76486 +{
76487 + return 0;
76488 +}
76489 +
76490 +int
76491 +gr_check_protected_task(const struct task_struct *task)
76492 +{
76493 + return 0;
76494 +}
76495 +
76496 +int
76497 +gr_check_protected_task_fowner(struct pid *pid, enum pid_type type)
76498 +{
76499 + return 0;
76500 +}
76501 +
76502 +void
76503 +gr_copy_label(struct task_struct *tsk)
76504 +{
76505 + return;
76506 +}
76507 +
76508 +void
76509 +gr_set_pax_flags(struct task_struct *task)
76510 +{
76511 + return;
76512 +}
76513 +
76514 +int
76515 +gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt,
76516 + const int unsafe_share)
76517 +{
76518 + return 0;
76519 +}
76520 +
76521 +void
76522 +gr_handle_delete(const ino_t ino, const dev_t dev)
76523 +{
76524 + return;
76525 +}
76526 +
76527 +void
76528 +gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt)
76529 +{
76530 + return;
76531 +}
76532 +
76533 +void
76534 +gr_handle_crash(struct task_struct *task, const int sig)
76535 +{
76536 + return;
76537 +}
76538 +
76539 +int
76540 +gr_check_crash_exec(const struct file *filp)
76541 +{
76542 + return 0;
76543 +}
76544 +
76545 +int
76546 +gr_check_crash_uid(const kuid_t uid)
76547 +{
76548 + return 0;
76549 +}
76550 +
76551 +void
76552 +gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
76553 + struct dentry *old_dentry,
76554 + struct dentry *new_dentry,
76555 + struct vfsmount *mnt, const __u8 replace, unsigned int flags)
76556 +{
76557 + return;
76558 +}
76559 +
76560 +int
76561 +gr_search_socket(const int family, const int type, const int protocol)
76562 +{
76563 + return 1;
76564 +}
76565 +
76566 +int
76567 +gr_search_connectbind(const int mode, const struct socket *sock,
76568 + const struct sockaddr_in *addr)
76569 +{
76570 + return 0;
76571 +}
76572 +
76573 +void
76574 +gr_handle_alertkill(struct task_struct *task)
76575 +{
76576 + return;
76577 +}
76578 +
76579 +__u32
76580 +gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt)
76581 +{
76582 + return 1;
76583 +}
76584 +
76585 +__u32
76586 +gr_acl_handle_hidden_file(const struct dentry * dentry,
76587 + const struct vfsmount * mnt)
76588 +{
76589 + return 1;
76590 +}
76591 +
76592 +__u32
76593 +gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt,
76594 + int acc_mode)
76595 +{
76596 + return 1;
76597 +}
76598 +
76599 +__u32
76600 +gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt)
76601 +{
76602 + return 1;
76603 +}
76604 +
76605 +__u32
76606 +gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt)
76607 +{
76608 + return 1;
76609 +}
76610 +
76611 +int
76612 +gr_acl_handle_mmap(const struct file *file, const unsigned long prot,
76613 + unsigned int *vm_flags)
76614 +{
76615 + return 1;
76616 +}
76617 +
76618 +__u32
76619 +gr_acl_handle_truncate(const struct dentry * dentry,
76620 + const struct vfsmount * mnt)
76621 +{
76622 + return 1;
76623 +}
76624 +
76625 +__u32
76626 +gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt)
76627 +{
76628 + return 1;
76629 +}
76630 +
76631 +__u32
76632 +gr_acl_handle_access(const struct dentry * dentry,
76633 + const struct vfsmount * mnt, const int fmode)
76634 +{
76635 + return 1;
76636 +}
76637 +
76638 +__u32
76639 +gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt,
76640 + umode_t *mode)
76641 +{
76642 + return 1;
76643 +}
76644 +
76645 +__u32
76646 +gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt)
76647 +{
76648 + return 1;
76649 +}
76650 +
76651 +__u32
76652 +gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt)
76653 +{
76654 + return 1;
76655 +}
76656 +
76657 +__u32
76658 +gr_acl_handle_removexattr(const struct dentry * dentry, const struct vfsmount * mnt)
76659 +{
76660 + return 1;
76661 +}
76662 +
76663 +void
76664 +grsecurity_init(void)
76665 +{
76666 + return;
76667 +}
76668 +
76669 +umode_t gr_acl_umask(void)
76670 +{
76671 + return 0;
76672 +}
76673 +
76674 +__u32
76675 +gr_acl_handle_mknod(const struct dentry * new_dentry,
76676 + const struct dentry * parent_dentry,
76677 + const struct vfsmount * parent_mnt,
76678 + const int mode)
76679 +{
76680 + return 1;
76681 +}
76682 +
76683 +__u32
76684 +gr_acl_handle_mkdir(const struct dentry * new_dentry,
76685 + const struct dentry * parent_dentry,
76686 + const struct vfsmount * parent_mnt)
76687 +{
76688 + return 1;
76689 +}
76690 +
76691 +__u32
76692 +gr_acl_handle_symlink(const struct dentry * new_dentry,
76693 + const struct dentry * parent_dentry,
76694 + const struct vfsmount * parent_mnt, const struct filename *from)
76695 +{
76696 + return 1;
76697 +}
76698 +
76699 +__u32
76700 +gr_acl_handle_link(const struct dentry * new_dentry,
76701 + const struct dentry * parent_dentry,
76702 + const struct vfsmount * parent_mnt,
76703 + const struct dentry * old_dentry,
76704 + const struct vfsmount * old_mnt, const struct filename *to)
76705 +{
76706 + return 1;
76707 +}
76708 +
76709 +int
76710 +gr_acl_handle_rename(const struct dentry *new_dentry,
76711 + const struct dentry *parent_dentry,
76712 + const struct vfsmount *parent_mnt,
76713 + const struct dentry *old_dentry,
76714 + const struct inode *old_parent_inode,
76715 + const struct vfsmount *old_mnt, const struct filename *newname,
76716 + unsigned int flags)
76717 +{
76718 + return 0;
76719 +}
76720 +
76721 +int
76722 +gr_acl_handle_filldir(const struct file *file, const char *name,
76723 + const int namelen, const ino_t ino)
76724 +{
76725 + return 1;
76726 +}
76727 +
76728 +int
76729 +gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
76730 + const u64 shm_createtime, const kuid_t cuid, const int shmid)
76731 +{
76732 + return 1;
76733 +}
76734 +
76735 +int
76736 +gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr)
76737 +{
76738 + return 0;
76739 +}
76740 +
76741 +int
76742 +gr_search_accept(const struct socket *sock)
76743 +{
76744 + return 0;
76745 +}
76746 +
76747 +int
76748 +gr_search_listen(const struct socket *sock)
76749 +{
76750 + return 0;
76751 +}
76752 +
76753 +int
76754 +gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr)
76755 +{
76756 + return 0;
76757 +}
76758 +
76759 +__u32
76760 +gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt)
76761 +{
76762 + return 1;
76763 +}
76764 +
76765 +__u32
76766 +gr_acl_handle_creat(const struct dentry * dentry,
76767 + const struct dentry * p_dentry,
76768 + const struct vfsmount * p_mnt, int open_flags, int acc_mode,
76769 + const int imode)
76770 +{
76771 + return 1;
76772 +}
76773 +
76774 +void
76775 +gr_acl_handle_exit(void)
76776 +{
76777 + return;
76778 +}
76779 +
76780 +int
76781 +gr_acl_handle_mprotect(const struct file *file, const unsigned long prot)
76782 +{
76783 + return 1;
76784 +}
76785 +
76786 +void
76787 +gr_set_role_label(const kuid_t uid, const kgid_t gid)
76788 +{
76789 + return;
76790 +}
76791 +
76792 +int
76793 +gr_acl_handle_procpidmem(const struct task_struct *task)
76794 +{
76795 + return 0;
76796 +}
76797 +
76798 +int
76799 +gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb)
76800 +{
76801 + return 0;
76802 +}
76803 +
76804 +int
76805 +gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr)
76806 +{
76807 + return 0;
76808 +}
76809 +
76810 +int
76811 +gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs)
76812 +{
76813 + return 0;
76814 +}
76815 +
76816 +int
76817 +gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs)
76818 +{
76819 + return 0;
76820 +}
76821 +
76822 +int gr_acl_enable_at_secure(void)
76823 +{
76824 + return 0;
76825 +}
76826 +
76827 +dev_t gr_get_dev_from_dentry(struct dentry *dentry)
76828 +{
76829 + return dentry->d_sb->s_dev;
76830 +}
76831 +
76832 +void gr_put_exec_file(struct task_struct *task)
76833 +{
76834 + return;
76835 +}
76836 +
76837 +#ifdef CONFIG_SECURITY
76838 +EXPORT_SYMBOL_GPL(gr_check_user_change);
76839 +EXPORT_SYMBOL_GPL(gr_check_group_change);
76840 +#endif
76841 diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c
76842 new file mode 100644
76843 index 0000000..14638ff
76844 --- /dev/null
76845 +++ b/grsecurity/grsec_exec.c
76846 @@ -0,0 +1,188 @@
76847 +#include <linux/kernel.h>
76848 +#include <linux/sched.h>
76849 +#include <linux/file.h>
76850 +#include <linux/binfmts.h>
76851 +#include <linux/fs.h>
76852 +#include <linux/types.h>
76853 +#include <linux/grdefs.h>
76854 +#include <linux/grsecurity.h>
76855 +#include <linux/grinternal.h>
76856 +#include <linux/capability.h>
76857 +#include <linux/module.h>
76858 +#include <linux/compat.h>
76859 +
76860 +#include <asm/uaccess.h>
76861 +
76862 +#ifdef CONFIG_GRKERNSEC_EXECLOG
76863 +static char gr_exec_arg_buf[132];
76864 +static DEFINE_MUTEX(gr_exec_arg_mutex);
76865 +#endif
76866 +
76867 +struct user_arg_ptr {
76868 +#ifdef CONFIG_COMPAT
76869 + bool is_compat;
76870 +#endif
76871 + union {
76872 + const char __user *const __user *native;
76873 +#ifdef CONFIG_COMPAT
76874 + const compat_uptr_t __user *compat;
76875 +#endif
76876 + } ptr;
76877 +};
76878 +
76879 +extern const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr);
76880 +
76881 +void
76882 +gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv)
76883 +{
76884 +#ifdef CONFIG_GRKERNSEC_EXECLOG
76885 + char *grarg = gr_exec_arg_buf;
76886 + unsigned int i, x, execlen = 0;
76887 + char c;
76888 +
76889 + if (!((grsec_enable_execlog && grsec_enable_group &&
76890 + in_group_p(grsec_audit_gid))
76891 + || (grsec_enable_execlog && !grsec_enable_group)))
76892 + return;
76893 +
76894 + mutex_lock(&gr_exec_arg_mutex);
76895 + memset(grarg, 0, sizeof(gr_exec_arg_buf));
76896 +
76897 + for (i = 0; i < bprm->argc && execlen < 128; i++) {
76898 + const char __user *p;
76899 + unsigned int len;
76900 +
76901 + p = get_user_arg_ptr(argv, i);
76902 + if (IS_ERR(p))
76903 + goto log;
76904 +
76905 + len = strnlen_user(p, 128 - execlen);
76906 + if (len > 128 - execlen)
76907 + len = 128 - execlen;
76908 + else if (len > 0)
76909 + len--;
76910 + if (copy_from_user(grarg + execlen, p, len))
76911 + goto log;
76912 +
76913 + /* rewrite unprintable characters */
76914 + for (x = 0; x < len; x++) {
76915 + c = *(grarg + execlen + x);
76916 + if (c < 32 || c > 126)
76917 + *(grarg + execlen + x) = ' ';
76918 + }
76919 +
76920 + execlen += len;
76921 + *(grarg + execlen) = ' ';
76922 + *(grarg + execlen + 1) = '\0';
76923 + execlen++;
76924 + }
76925 +
76926 + log:
76927 + gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry,
76928 + bprm->file->f_path.mnt, grarg);
76929 + mutex_unlock(&gr_exec_arg_mutex);
76930 +#endif
76931 + return;
76932 +}
76933 +
76934 +#ifdef CONFIG_GRKERNSEC
76935 +extern int gr_acl_is_capable(const int cap);
76936 +extern int gr_acl_is_capable_nolog(const int cap);
76937 +extern int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
76938 +extern int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap);
76939 +extern int gr_chroot_is_capable(const int cap);
76940 +extern int gr_chroot_is_capable_nolog(const int cap);
76941 +extern int gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
76942 +extern int gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap);
76943 +#endif
76944 +
76945 +const char *captab_log[] = {
76946 + "CAP_CHOWN",
76947 + "CAP_DAC_OVERRIDE",
76948 + "CAP_DAC_READ_SEARCH",
76949 + "CAP_FOWNER",
76950 + "CAP_FSETID",
76951 + "CAP_KILL",
76952 + "CAP_SETGID",
76953 + "CAP_SETUID",
76954 + "CAP_SETPCAP",
76955 + "CAP_LINUX_IMMUTABLE",
76956 + "CAP_NET_BIND_SERVICE",
76957 + "CAP_NET_BROADCAST",
76958 + "CAP_NET_ADMIN",
76959 + "CAP_NET_RAW",
76960 + "CAP_IPC_LOCK",
76961 + "CAP_IPC_OWNER",
76962 + "CAP_SYS_MODULE",
76963 + "CAP_SYS_RAWIO",
76964 + "CAP_SYS_CHROOT",
76965 + "CAP_SYS_PTRACE",
76966 + "CAP_SYS_PACCT",
76967 + "CAP_SYS_ADMIN",
76968 + "CAP_SYS_BOOT",
76969 + "CAP_SYS_NICE",
76970 + "CAP_SYS_RESOURCE",
76971 + "CAP_SYS_TIME",
76972 + "CAP_SYS_TTY_CONFIG",
76973 + "CAP_MKNOD",
76974 + "CAP_LEASE",
76975 + "CAP_AUDIT_WRITE",
76976 + "CAP_AUDIT_CONTROL",
76977 + "CAP_SETFCAP",
76978 + "CAP_MAC_OVERRIDE",
76979 + "CAP_MAC_ADMIN",
76980 + "CAP_SYSLOG",
76981 + "CAP_WAKE_ALARM",
76982 + "CAP_BLOCK_SUSPEND"
76983 +};
76984 +
76985 +int captab_log_entries = sizeof(captab_log)/sizeof(captab_log[0]);
76986 +
76987 +int gr_is_capable(const int cap)
76988 +{
76989 +#ifdef CONFIG_GRKERNSEC
76990 + if (gr_acl_is_capable(cap) && gr_chroot_is_capable(cap))
76991 + return 1;
76992 + return 0;
76993 +#else
76994 + return 1;
76995 +#endif
76996 +}
76997 +
76998 +int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap)
76999 +{
77000 +#ifdef CONFIG_GRKERNSEC
77001 + if (gr_task_acl_is_capable(task, cred, cap) && gr_task_chroot_is_capable(task, cred, cap))
77002 + return 1;
77003 + return 0;
77004 +#else
77005 + return 1;
77006 +#endif
77007 +}
77008 +
77009 +int gr_is_capable_nolog(const int cap)
77010 +{
77011 +#ifdef CONFIG_GRKERNSEC
77012 + if (gr_acl_is_capable_nolog(cap) && gr_chroot_is_capable_nolog(cap))
77013 + return 1;
77014 + return 0;
77015 +#else
77016 + return 1;
77017 +#endif
77018 +}
77019 +
77020 +int gr_task_is_capable_nolog(const struct task_struct *task, const int cap)
77021 +{
77022 +#ifdef CONFIG_GRKERNSEC
77023 + if (gr_task_acl_is_capable_nolog(task, cap) && gr_task_chroot_is_capable_nolog(task, cap))
77024 + return 1;
77025 + return 0;
77026 +#else
77027 + return 1;
77028 +#endif
77029 +}
77030 +
77031 +EXPORT_SYMBOL_GPL(gr_is_capable);
77032 +EXPORT_SYMBOL_GPL(gr_is_capable_nolog);
77033 +EXPORT_SYMBOL_GPL(gr_task_is_capable);
77034 +EXPORT_SYMBOL_GPL(gr_task_is_capable_nolog);
77035 diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c
77036 new file mode 100644
77037 index 0000000..06cc6ea
77038 --- /dev/null
77039 +++ b/grsecurity/grsec_fifo.c
77040 @@ -0,0 +1,24 @@
77041 +#include <linux/kernel.h>
77042 +#include <linux/sched.h>
77043 +#include <linux/fs.h>
77044 +#include <linux/file.h>
77045 +#include <linux/grinternal.h>
77046 +
77047 +int
77048 +gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt,
77049 + const struct dentry *dir, const int flag, const int acc_mode)
77050 +{
77051 +#ifdef CONFIG_GRKERNSEC_FIFO
77052 + const struct cred *cred = current_cred();
77053 +
77054 + if (grsec_enable_fifo && S_ISFIFO(dentry->d_inode->i_mode) &&
77055 + !(flag & O_EXCL) && (dir->d_inode->i_mode & S_ISVTX) &&
77056 + !uid_eq(dentry->d_inode->i_uid, dir->d_inode->i_uid) &&
77057 + !uid_eq(cred->fsuid, dentry->d_inode->i_uid)) {
77058 + if (!inode_permission(dentry->d_inode, acc_mode))
77059 + gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, GR_GLOBAL_UID(dentry->d_inode->i_uid), GR_GLOBAL_GID(dentry->d_inode->i_gid));
77060 + return -EACCES;
77061 + }
77062 +#endif
77063 + return 0;
77064 +}
77065 diff --git a/grsecurity/grsec_fork.c b/grsecurity/grsec_fork.c
77066 new file mode 100644
77067 index 0000000..8ca18bf
77068 --- /dev/null
77069 +++ b/grsecurity/grsec_fork.c
77070 @@ -0,0 +1,23 @@
77071 +#include <linux/kernel.h>
77072 +#include <linux/sched.h>
77073 +#include <linux/grsecurity.h>
77074 +#include <linux/grinternal.h>
77075 +#include <linux/errno.h>
77076 +
77077 +void
77078 +gr_log_forkfail(const int retval)
77079 +{
77080 +#ifdef CONFIG_GRKERNSEC_FORKFAIL
77081 + if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) {
77082 + switch (retval) {
77083 + case -EAGAIN:
77084 + gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN");
77085 + break;
77086 + case -ENOMEM:
77087 + gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM");
77088 + break;
77089 + }
77090 + }
77091 +#endif
77092 + return;
77093 +}
77094 diff --git a/grsecurity/grsec_init.c b/grsecurity/grsec_init.c
77095 new file mode 100644
77096 index 0000000..4ed9e7d
77097 --- /dev/null
77098 +++ b/grsecurity/grsec_init.c
77099 @@ -0,0 +1,290 @@
77100 +#include <linux/kernel.h>
77101 +#include <linux/sched.h>
77102 +#include <linux/mm.h>
77103 +#include <linux/gracl.h>
77104 +#include <linux/slab.h>
77105 +#include <linux/vmalloc.h>
77106 +#include <linux/percpu.h>
77107 +#include <linux/module.h>
77108 +
77109 +int grsec_enable_ptrace_readexec;
77110 +int grsec_enable_setxid;
77111 +int grsec_enable_symlinkown;
77112 +kgid_t grsec_symlinkown_gid;
77113 +int grsec_enable_brute;
77114 +int grsec_enable_link;
77115 +int grsec_enable_dmesg;
77116 +int grsec_enable_harden_ptrace;
77117 +int grsec_enable_harden_ipc;
77118 +int grsec_enable_fifo;
77119 +int grsec_enable_execlog;
77120 +int grsec_enable_signal;
77121 +int grsec_enable_forkfail;
77122 +int grsec_enable_audit_ptrace;
77123 +int grsec_enable_time;
77124 +int grsec_enable_group;
77125 +kgid_t grsec_audit_gid;
77126 +int grsec_enable_chdir;
77127 +int grsec_enable_mount;
77128 +int grsec_enable_rofs;
77129 +int grsec_deny_new_usb;
77130 +int grsec_enable_chroot_findtask;
77131 +int grsec_enable_chroot_mount;
77132 +int grsec_enable_chroot_shmat;
77133 +int grsec_enable_chroot_fchdir;
77134 +int grsec_enable_chroot_double;
77135 +int grsec_enable_chroot_pivot;
77136 +int grsec_enable_chroot_chdir;
77137 +int grsec_enable_chroot_chmod;
77138 +int grsec_enable_chroot_mknod;
77139 +int grsec_enable_chroot_nice;
77140 +int grsec_enable_chroot_execlog;
77141 +int grsec_enable_chroot_caps;
77142 +int grsec_enable_chroot_rename;
77143 +int grsec_enable_chroot_sysctl;
77144 +int grsec_enable_chroot_unix;
77145 +int grsec_enable_tpe;
77146 +kgid_t grsec_tpe_gid;
77147 +int grsec_enable_blackhole;
77148 +#ifdef CONFIG_IPV6_MODULE
77149 +EXPORT_SYMBOL_GPL(grsec_enable_blackhole);
77150 +#endif
77151 +int grsec_lastack_retries;
77152 +int grsec_enable_tpe_all;
77153 +int grsec_enable_tpe_invert;
77154 +int grsec_enable_socket_all;
77155 +kgid_t grsec_socket_all_gid;
77156 +int grsec_enable_socket_client;
77157 +kgid_t grsec_socket_client_gid;
77158 +int grsec_enable_socket_server;
77159 +kgid_t grsec_socket_server_gid;
77160 +int grsec_resource_logging;
77161 +int grsec_disable_privio;
77162 +int grsec_enable_log_rwxmaps;
77163 +int grsec_lock;
77164 +
77165 +DEFINE_SPINLOCK(grsec_alert_lock);
77166 +unsigned long grsec_alert_wtime = 0;
77167 +unsigned long grsec_alert_fyet = 0;
77168 +
77169 +DEFINE_SPINLOCK(grsec_audit_lock);
77170 +
77171 +DEFINE_RWLOCK(grsec_exec_file_lock);
77172 +
77173 +char *gr_shared_page[4];
77174 +
77175 +char *gr_alert_log_fmt;
77176 +char *gr_audit_log_fmt;
77177 +char *gr_alert_log_buf;
77178 +char *gr_audit_log_buf;
77179 +
77180 +extern struct gr_arg *gr_usermode;
77181 +extern unsigned char *gr_system_salt;
77182 +extern unsigned char *gr_system_sum;
77183 +
77184 +void __init
77185 +grsecurity_init(void)
77186 +{
77187 + int j;
77188 + /* create the per-cpu shared pages */
77189 +
77190 +#ifdef CONFIG_X86
77191 + memset((char *)(0x41a + PAGE_OFFSET), 0, 36);
77192 +#endif
77193 +
77194 + for (j = 0; j < 4; j++) {
77195 + gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long));
77196 + if (gr_shared_page[j] == NULL) {
77197 + panic("Unable to allocate grsecurity shared page");
77198 + return;
77199 + }
77200 + }
77201 +
77202 + /* allocate log buffers */
77203 + gr_alert_log_fmt = kmalloc(512, GFP_KERNEL);
77204 + if (!gr_alert_log_fmt) {
77205 + panic("Unable to allocate grsecurity alert log format buffer");
77206 + return;
77207 + }
77208 + gr_audit_log_fmt = kmalloc(512, GFP_KERNEL);
77209 + if (!gr_audit_log_fmt) {
77210 + panic("Unable to allocate grsecurity audit log format buffer");
77211 + return;
77212 + }
77213 + gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
77214 + if (!gr_alert_log_buf) {
77215 + panic("Unable to allocate grsecurity alert log buffer");
77216 + return;
77217 + }
77218 + gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL);
77219 + if (!gr_audit_log_buf) {
77220 + panic("Unable to allocate grsecurity audit log buffer");
77221 + return;
77222 + }
77223 +
77224 + /* allocate memory for authentication structure */
77225 + gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL);
77226 + gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL);
77227 + gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL);
77228 +
77229 + if (!gr_usermode || !gr_system_salt || !gr_system_sum) {
77230 + panic("Unable to allocate grsecurity authentication structure");
77231 + return;
77232 + }
77233 +
77234 +#ifdef CONFIG_GRKERNSEC_IO
77235 +#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO)
77236 + grsec_disable_privio = 1;
77237 +#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON)
77238 + grsec_disable_privio = 1;
77239 +#else
77240 + grsec_disable_privio = 0;
77241 +#endif
77242 +#endif
77243 +
77244 +#ifdef CONFIG_GRKERNSEC_TPE_INVERT
77245 + /* for backward compatibility, tpe_invert always defaults to on if
77246 + enabled in the kernel
77247 + */
77248 + grsec_enable_tpe_invert = 1;
77249 +#endif
77250 +
77251 +#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON)
77252 +#ifndef CONFIG_GRKERNSEC_SYSCTL
77253 + grsec_lock = 1;
77254 +#endif
77255 +
77256 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
77257 + grsec_enable_log_rwxmaps = 1;
77258 +#endif
77259 +#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
77260 + grsec_enable_group = 1;
77261 + grsec_audit_gid = KGIDT_INIT(CONFIG_GRKERNSEC_AUDIT_GID);
77262 +#endif
77263 +#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
77264 + grsec_enable_ptrace_readexec = 1;
77265 +#endif
77266 +#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
77267 + grsec_enable_chdir = 1;
77268 +#endif
77269 +#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
77270 + grsec_enable_harden_ptrace = 1;
77271 +#endif
77272 +#ifdef CONFIG_GRKERNSEC_HARDEN_IPC
77273 + grsec_enable_harden_ipc = 1;
77274 +#endif
77275 +#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
77276 + grsec_enable_mount = 1;
77277 +#endif
77278 +#ifdef CONFIG_GRKERNSEC_LINK
77279 + grsec_enable_link = 1;
77280 +#endif
77281 +#ifdef CONFIG_GRKERNSEC_BRUTE
77282 + grsec_enable_brute = 1;
77283 +#endif
77284 +#ifdef CONFIG_GRKERNSEC_DMESG
77285 + grsec_enable_dmesg = 1;
77286 +#endif
77287 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
77288 + grsec_enable_blackhole = 1;
77289 + grsec_lastack_retries = 4;
77290 +#endif
77291 +#ifdef CONFIG_GRKERNSEC_FIFO
77292 + grsec_enable_fifo = 1;
77293 +#endif
77294 +#ifdef CONFIG_GRKERNSEC_EXECLOG
77295 + grsec_enable_execlog = 1;
77296 +#endif
77297 +#ifdef CONFIG_GRKERNSEC_SETXID
77298 + grsec_enable_setxid = 1;
77299 +#endif
77300 +#ifdef CONFIG_GRKERNSEC_SIGNAL
77301 + grsec_enable_signal = 1;
77302 +#endif
77303 +#ifdef CONFIG_GRKERNSEC_FORKFAIL
77304 + grsec_enable_forkfail = 1;
77305 +#endif
77306 +#ifdef CONFIG_GRKERNSEC_TIME
77307 + grsec_enable_time = 1;
77308 +#endif
77309 +#ifdef CONFIG_GRKERNSEC_RESLOG
77310 + grsec_resource_logging = 1;
77311 +#endif
77312 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
77313 + grsec_enable_chroot_findtask = 1;
77314 +#endif
77315 +#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
77316 + grsec_enable_chroot_unix = 1;
77317 +#endif
77318 +#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
77319 + grsec_enable_chroot_mount = 1;
77320 +#endif
77321 +#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
77322 + grsec_enable_chroot_fchdir = 1;
77323 +#endif
77324 +#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
77325 + grsec_enable_chroot_shmat = 1;
77326 +#endif
77327 +#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
77328 + grsec_enable_audit_ptrace = 1;
77329 +#endif
77330 +#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
77331 + grsec_enable_chroot_double = 1;
77332 +#endif
77333 +#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
77334 + grsec_enable_chroot_pivot = 1;
77335 +#endif
77336 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
77337 + grsec_enable_chroot_chdir = 1;
77338 +#endif
77339 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
77340 + grsec_enable_chroot_chmod = 1;
77341 +#endif
77342 +#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
77343 + grsec_enable_chroot_mknod = 1;
77344 +#endif
77345 +#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
77346 + grsec_enable_chroot_nice = 1;
77347 +#endif
77348 +#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
77349 + grsec_enable_chroot_execlog = 1;
77350 +#endif
77351 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
77352 + grsec_enable_chroot_caps = 1;
77353 +#endif
77354 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
77355 + grsec_enable_chroot_rename = 1;
77356 +#endif
77357 +#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
77358 + grsec_enable_chroot_sysctl = 1;
77359 +#endif
77360 +#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
77361 + grsec_enable_symlinkown = 1;
77362 + grsec_symlinkown_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SYMLINKOWN_GID);
77363 +#endif
77364 +#ifdef CONFIG_GRKERNSEC_TPE
77365 + grsec_enable_tpe = 1;
77366 + grsec_tpe_gid = KGIDT_INIT(CONFIG_GRKERNSEC_TPE_GID);
77367 +#ifdef CONFIG_GRKERNSEC_TPE_ALL
77368 + grsec_enable_tpe_all = 1;
77369 +#endif
77370 +#endif
77371 +#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
77372 + grsec_enable_socket_all = 1;
77373 + grsec_socket_all_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_ALL_GID);
77374 +#endif
77375 +#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
77376 + grsec_enable_socket_client = 1;
77377 + grsec_socket_client_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_CLIENT_GID);
77378 +#endif
77379 +#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
77380 + grsec_enable_socket_server = 1;
77381 + grsec_socket_server_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_SERVER_GID);
77382 +#endif
77383 +#endif
77384 +#ifdef CONFIG_GRKERNSEC_DENYUSB_FORCE
77385 + grsec_deny_new_usb = 1;
77386 +#endif
77387 +
77388 + return;
77389 +}
77390 diff --git a/grsecurity/grsec_ipc.c b/grsecurity/grsec_ipc.c
77391 new file mode 100644
77392 index 0000000..1773300
77393 --- /dev/null
77394 +++ b/grsecurity/grsec_ipc.c
77395 @@ -0,0 +1,48 @@
77396 +#include <linux/kernel.h>
77397 +#include <linux/mm.h>
77398 +#include <linux/sched.h>
77399 +#include <linux/file.h>
77400 +#include <linux/ipc.h>
77401 +#include <linux/ipc_namespace.h>
77402 +#include <linux/grsecurity.h>
77403 +#include <linux/grinternal.h>
77404 +
77405 +int
77406 +gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode)
77407 +{
77408 +#ifdef CONFIG_GRKERNSEC_HARDEN_IPC
77409 + int write;
77410 + int orig_granted_mode;
77411 + kuid_t euid;
77412 + kgid_t egid;
77413 +
77414 + if (!grsec_enable_harden_ipc)
77415 + return 1;
77416 +
77417 + euid = current_euid();
77418 + egid = current_egid();
77419 +
77420 + write = requested_mode & 00002;
77421 + orig_granted_mode = ipcp->mode;
77422 +
77423 + if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid))
77424 + orig_granted_mode >>= 6;
77425 + else {
77426 + /* if likely wrong permissions, lock to user */
77427 + if (orig_granted_mode & 0007)
77428 + orig_granted_mode = 0;
77429 + /* otherwise do a egid-only check */
77430 + else if (gid_eq(egid, ipcp->cgid) || gid_eq(egid, ipcp->gid))
77431 + orig_granted_mode >>= 3;
77432 + /* otherwise, no access */
77433 + else
77434 + orig_granted_mode = 0;
77435 + }
77436 + if (!(requested_mode & ~granted_mode & 0007) && (requested_mode & ~orig_granted_mode & 0007) &&
77437 + !ns_capable_nolog(ns->user_ns, CAP_IPC_OWNER)) {
77438 + gr_log_str_int(GR_DONT_AUDIT, GR_IPC_DENIED_MSG, write ? "write" : "read", GR_GLOBAL_UID(ipcp->cuid));
77439 + return 0;
77440 + }
77441 +#endif
77442 + return 1;
77443 +}
77444 diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c
77445 new file mode 100644
77446 index 0000000..5e05e20
77447 --- /dev/null
77448 +++ b/grsecurity/grsec_link.c
77449 @@ -0,0 +1,58 @@
77450 +#include <linux/kernel.h>
77451 +#include <linux/sched.h>
77452 +#include <linux/fs.h>
77453 +#include <linux/file.h>
77454 +#include <linux/grinternal.h>
77455 +
77456 +int gr_handle_symlink_owner(const struct path *link, const struct inode *target)
77457 +{
77458 +#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
77459 + const struct inode *link_inode = link->dentry->d_inode;
77460 +
77461 + if (grsec_enable_symlinkown && in_group_p(grsec_symlinkown_gid) &&
77462 + /* ignore root-owned links, e.g. /proc/self */
77463 + gr_is_global_nonroot(link_inode->i_uid) && target &&
77464 + !uid_eq(link_inode->i_uid, target->i_uid)) {
77465 + gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINKOWNER_MSG, link->dentry, link->mnt, link_inode->i_uid, target->i_uid);
77466 + return 1;
77467 + }
77468 +#endif
77469 + return 0;
77470 +}
77471 +
77472 +int
77473 +gr_handle_follow_link(const struct inode *parent,
77474 + const struct inode *inode,
77475 + const struct dentry *dentry, const struct vfsmount *mnt)
77476 +{
77477 +#ifdef CONFIG_GRKERNSEC_LINK
77478 + const struct cred *cred = current_cred();
77479 +
77480 + if (grsec_enable_link && S_ISLNK(inode->i_mode) &&
77481 + (parent->i_mode & S_ISVTX) && !uid_eq(parent->i_uid, inode->i_uid) &&
77482 + (parent->i_mode & S_IWOTH) && !uid_eq(cred->fsuid, inode->i_uid)) {
77483 + gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid);
77484 + return -EACCES;
77485 + }
77486 +#endif
77487 + return 0;
77488 +}
77489 +
77490 +int
77491 +gr_handle_hardlink(const struct dentry *dentry,
77492 + const struct vfsmount *mnt,
77493 + struct inode *inode, const int mode, const struct filename *to)
77494 +{
77495 +#ifdef CONFIG_GRKERNSEC_LINK
77496 + const struct cred *cred = current_cred();
77497 +
77498 + if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) &&
77499 + (!S_ISREG(mode) || is_privileged_binary(dentry) ||
77500 + (inode_permission(inode, MAY_READ | MAY_WRITE))) &&
77501 + !capable(CAP_FOWNER) && gr_is_global_nonroot(cred->uid)) {
77502 + gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to->name);
77503 + return -EPERM;
77504 + }
77505 +#endif
77506 + return 0;
77507 +}
77508 diff --git a/grsecurity/grsec_log.c b/grsecurity/grsec_log.c
77509 new file mode 100644
77510 index 0000000..dbe0a6b
77511 --- /dev/null
77512 +++ b/grsecurity/grsec_log.c
77513 @@ -0,0 +1,341 @@
77514 +#include <linux/kernel.h>
77515 +#include <linux/sched.h>
77516 +#include <linux/file.h>
77517 +#include <linux/tty.h>
77518 +#include <linux/fs.h>
77519 +#include <linux/mm.h>
77520 +#include <linux/grinternal.h>
77521 +
77522 +#ifdef CONFIG_TREE_PREEMPT_RCU
77523 +#define DISABLE_PREEMPT() preempt_disable()
77524 +#define ENABLE_PREEMPT() preempt_enable()
77525 +#else
77526 +#define DISABLE_PREEMPT()
77527 +#define ENABLE_PREEMPT()
77528 +#endif
77529 +
77530 +#define BEGIN_LOCKS(x) \
77531 + DISABLE_PREEMPT(); \
77532 + rcu_read_lock(); \
77533 + read_lock(&tasklist_lock); \
77534 + read_lock(&grsec_exec_file_lock); \
77535 + if (x != GR_DO_AUDIT) \
77536 + spin_lock(&grsec_alert_lock); \
77537 + else \
77538 + spin_lock(&grsec_audit_lock)
77539 +
77540 +#define END_LOCKS(x) \
77541 + if (x != GR_DO_AUDIT) \
77542 + spin_unlock(&grsec_alert_lock); \
77543 + else \
77544 + spin_unlock(&grsec_audit_lock); \
77545 + read_unlock(&grsec_exec_file_lock); \
77546 + read_unlock(&tasklist_lock); \
77547 + rcu_read_unlock(); \
77548 + ENABLE_PREEMPT(); \
77549 + if (x == GR_DONT_AUDIT) \
77550 + gr_handle_alertkill(current)
77551 +
77552 +enum {
77553 + FLOODING,
77554 + NO_FLOODING
77555 +};
77556 +
77557 +extern char *gr_alert_log_fmt;
77558 +extern char *gr_audit_log_fmt;
77559 +extern char *gr_alert_log_buf;
77560 +extern char *gr_audit_log_buf;
77561 +
77562 +static int gr_log_start(int audit)
77563 +{
77564 + char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT;
77565 + char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt;
77566 + char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
77567 +#if (CONFIG_GRKERNSEC_FLOODTIME > 0 && CONFIG_GRKERNSEC_FLOODBURST > 0)
77568 + unsigned long curr_secs = get_seconds();
77569 +
77570 + if (audit == GR_DO_AUDIT)
77571 + goto set_fmt;
77572 +
77573 + if (!grsec_alert_wtime || time_after(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)) {
77574 + grsec_alert_wtime = curr_secs;
77575 + grsec_alert_fyet = 0;
77576 + } else if (time_before_eq(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)
77577 + && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) {
77578 + grsec_alert_fyet++;
77579 + } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) {
77580 + grsec_alert_wtime = curr_secs;
77581 + grsec_alert_fyet++;
77582 + printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME);
77583 + return FLOODING;
77584 + }
77585 + else return FLOODING;
77586 +
77587 +set_fmt:
77588 +#endif
77589 + memset(buf, 0, PAGE_SIZE);
77590 + if (current->signal->curr_ip && gr_acl_is_enabled()) {
77591 + sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) ");
77592 + snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
77593 + } else if (current->signal->curr_ip) {
77594 + sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: ");
77595 + snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip);
77596 + } else if (gr_acl_is_enabled()) {
77597 + sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) ");
77598 + snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename);
77599 + } else {
77600 + sprintf(fmt, "%s%s", loglevel, "grsec: ");
77601 + strcpy(buf, fmt);
77602 + }
77603 +
77604 + return NO_FLOODING;
77605 +}
77606 +
77607 +static void gr_log_middle(int audit, const char *msg, va_list ap)
77608 + __attribute__ ((format (printf, 2, 0)));
77609 +
77610 +static void gr_log_middle(int audit, const char *msg, va_list ap)
77611 +{
77612 + char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
77613 + unsigned int len = strlen(buf);
77614 +
77615 + vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
77616 +
77617 + return;
77618 +}
77619 +
77620 +static void gr_log_middle_varargs(int audit, const char *msg, ...)
77621 + __attribute__ ((format (printf, 2, 3)));
77622 +
77623 +static void gr_log_middle_varargs(int audit, const char *msg, ...)
77624 +{
77625 + char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
77626 + unsigned int len = strlen(buf);
77627 + va_list ap;
77628 +
77629 + va_start(ap, msg);
77630 + vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap);
77631 + va_end(ap);
77632 +
77633 + return;
77634 +}
77635 +
77636 +static void gr_log_end(int audit, int append_default)
77637 +{
77638 + char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf;
77639 + if (append_default) {
77640 + struct task_struct *task = current;
77641 + struct task_struct *parent = task->real_parent;
77642 + const struct cred *cred = __task_cred(task);
77643 + const struct cred *pcred = __task_cred(parent);
77644 + unsigned int len = strlen(buf);
77645 +
77646 + snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid));
77647 + }
77648 +
77649 + printk("%s\n", buf);
77650 +
77651 + return;
77652 +}
77653 +
77654 +void gr_log_varargs(int audit, const char *msg, int argtypes, ...)
77655 +{
77656 + int logtype;
77657 + char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied";
77658 + char *str1 = NULL, *str2 = NULL, *str3 = NULL;
77659 + void *voidptr = NULL;
77660 + int num1 = 0, num2 = 0;
77661 + unsigned long ulong1 = 0, ulong2 = 0;
77662 + struct dentry *dentry = NULL;
77663 + struct vfsmount *mnt = NULL;
77664 + struct file *file = NULL;
77665 + struct task_struct *task = NULL;
77666 + struct vm_area_struct *vma = NULL;
77667 + const struct cred *cred, *pcred;
77668 + va_list ap;
77669 +
77670 + BEGIN_LOCKS(audit);
77671 + logtype = gr_log_start(audit);
77672 + if (logtype == FLOODING) {
77673 + END_LOCKS(audit);
77674 + return;
77675 + }
77676 + va_start(ap, argtypes);
77677 + switch (argtypes) {
77678 + case GR_TTYSNIFF:
77679 + task = va_arg(ap, struct task_struct *);
77680 + gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task_pid_nr(task), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent));
77681 + break;
77682 + case GR_SYSCTL_HIDDEN:
77683 + str1 = va_arg(ap, char *);
77684 + gr_log_middle_varargs(audit, msg, result, str1);
77685 + break;
77686 + case GR_RBAC:
77687 + dentry = va_arg(ap, struct dentry *);
77688 + mnt = va_arg(ap, struct vfsmount *);
77689 + gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt));
77690 + break;
77691 + case GR_RBAC_STR:
77692 + dentry = va_arg(ap, struct dentry *);
77693 + mnt = va_arg(ap, struct vfsmount *);
77694 + str1 = va_arg(ap, char *);
77695 + gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1);
77696 + break;
77697 + case GR_STR_RBAC:
77698 + str1 = va_arg(ap, char *);
77699 + dentry = va_arg(ap, struct dentry *);
77700 + mnt = va_arg(ap, struct vfsmount *);
77701 + gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt));
77702 + break;
77703 + case GR_RBAC_MODE2:
77704 + dentry = va_arg(ap, struct dentry *);
77705 + mnt = va_arg(ap, struct vfsmount *);
77706 + str1 = va_arg(ap, char *);
77707 + str2 = va_arg(ap, char *);
77708 + gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2);
77709 + break;
77710 + case GR_RBAC_MODE3:
77711 + dentry = va_arg(ap, struct dentry *);
77712 + mnt = va_arg(ap, struct vfsmount *);
77713 + str1 = va_arg(ap, char *);
77714 + str2 = va_arg(ap, char *);
77715 + str3 = va_arg(ap, char *);
77716 + gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3);
77717 + break;
77718 + case GR_FILENAME:
77719 + dentry = va_arg(ap, struct dentry *);
77720 + mnt = va_arg(ap, struct vfsmount *);
77721 + gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt));
77722 + break;
77723 + case GR_STR_FILENAME:
77724 + str1 = va_arg(ap, char *);
77725 + dentry = va_arg(ap, struct dentry *);
77726 + mnt = va_arg(ap, struct vfsmount *);
77727 + gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt));
77728 + break;
77729 + case GR_FILENAME_STR:
77730 + dentry = va_arg(ap, struct dentry *);
77731 + mnt = va_arg(ap, struct vfsmount *);
77732 + str1 = va_arg(ap, char *);
77733 + gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1);
77734 + break;
77735 + case GR_FILENAME_TWO_INT:
77736 + dentry = va_arg(ap, struct dentry *);
77737 + mnt = va_arg(ap, struct vfsmount *);
77738 + num1 = va_arg(ap, int);
77739 + num2 = va_arg(ap, int);
77740 + gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2);
77741 + break;
77742 + case GR_FILENAME_TWO_INT_STR:
77743 + dentry = va_arg(ap, struct dentry *);
77744 + mnt = va_arg(ap, struct vfsmount *);
77745 + num1 = va_arg(ap, int);
77746 + num2 = va_arg(ap, int);
77747 + str1 = va_arg(ap, char *);
77748 + gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1);
77749 + break;
77750 + case GR_TEXTREL:
77751 + file = va_arg(ap, struct file *);
77752 + ulong1 = va_arg(ap, unsigned long);
77753 + ulong2 = va_arg(ap, unsigned long);
77754 + gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2);
77755 + break;
77756 + case GR_PTRACE:
77757 + task = va_arg(ap, struct task_struct *);
77758 + gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task_pid_nr(task));
77759 + break;
77760 + case GR_RESOURCE:
77761 + task = va_arg(ap, struct task_struct *);
77762 + cred = __task_cred(task);
77763 + pcred = __task_cred(task->real_parent);
77764 + ulong1 = va_arg(ap, unsigned long);
77765 + str1 = va_arg(ap, char *);
77766 + ulong2 = va_arg(ap, unsigned long);
77767 + gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid));
77768 + break;
77769 + case GR_CAP:
77770 + task = va_arg(ap, struct task_struct *);
77771 + cred = __task_cred(task);
77772 + pcred = __task_cred(task->real_parent);
77773 + str1 = va_arg(ap, char *);
77774 + gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid));
77775 + break;
77776 + case GR_SIG:
77777 + str1 = va_arg(ap, char *);
77778 + voidptr = va_arg(ap, void *);
77779 + gr_log_middle_varargs(audit, msg, str1, voidptr);
77780 + break;
77781 + case GR_SIG2:
77782 + task = va_arg(ap, struct task_struct *);
77783 + cred = __task_cred(task);
77784 + pcred = __task_cred(task->real_parent);
77785 + num1 = va_arg(ap, int);
77786 + gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid));
77787 + break;
77788 + case GR_CRASH1:
77789 + task = va_arg(ap, struct task_struct *);
77790 + cred = __task_cred(task);
77791 + pcred = __task_cred(task->real_parent);
77792 + ulong1 = va_arg(ap, unsigned long);
77793 + gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), GR_GLOBAL_UID(cred->uid), ulong1);
77794 + break;
77795 + case GR_CRASH2:
77796 + task = va_arg(ap, struct task_struct *);
77797 + cred = __task_cred(task);
77798 + pcred = __task_cred(task->real_parent);
77799 + ulong1 = va_arg(ap, unsigned long);
77800 + gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), ulong1);
77801 + break;
77802 + case GR_RWXMAP:
77803 + file = va_arg(ap, struct file *);
77804 + gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>");
77805 + break;
77806 + case GR_RWXMAPVMA:
77807 + vma = va_arg(ap, struct vm_area_struct *);
77808 + if (vma->vm_file)
77809 + str1 = gr_to_filename(vma->vm_file->f_path.dentry, vma->vm_file->f_path.mnt);
77810 + else if (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP))
77811 + str1 = "<stack>";
77812 + else if (vma->vm_start <= current->mm->brk &&
77813 + vma->vm_end >= current->mm->start_brk)
77814 + str1 = "<heap>";
77815 + else
77816 + str1 = "<anonymous mapping>";
77817 + gr_log_middle_varargs(audit, msg, str1);
77818 + break;
77819 + case GR_PSACCT:
77820 + {
77821 + unsigned int wday, cday;
77822 + __u8 whr, chr;
77823 + __u8 wmin, cmin;
77824 + __u8 wsec, csec;
77825 + char cur_tty[64] = { 0 };
77826 + char parent_tty[64] = { 0 };
77827 +
77828 + task = va_arg(ap, struct task_struct *);
77829 + wday = va_arg(ap, unsigned int);
77830 + cday = va_arg(ap, unsigned int);
77831 + whr = va_arg(ap, int);
77832 + chr = va_arg(ap, int);
77833 + wmin = va_arg(ap, int);
77834 + cmin = va_arg(ap, int);
77835 + wsec = va_arg(ap, int);
77836 + csec = va_arg(ap, int);
77837 + ulong1 = va_arg(ap, unsigned long);
77838 + cred = __task_cred(task);
77839 + pcred = __task_cred(task->real_parent);
77840 +
77841 + gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid));
77842 + }
77843 + break;
77844 + default:
77845 + gr_log_middle(audit, msg, ap);
77846 + }
77847 + va_end(ap);
77848 + // these don't need DEFAULTSECARGS printed on the end
77849 + if (argtypes == GR_CRASH1 || argtypes == GR_CRASH2)
77850 + gr_log_end(audit, 0);
77851 + else
77852 + gr_log_end(audit, 1);
77853 + END_LOCKS(audit);
77854 +}
77855 diff --git a/grsecurity/grsec_mem.c b/grsecurity/grsec_mem.c
77856 new file mode 100644
77857 index 0000000..0e39d8c
77858 --- /dev/null
77859 +++ b/grsecurity/grsec_mem.c
77860 @@ -0,0 +1,48 @@
77861 +#include <linux/kernel.h>
77862 +#include <linux/sched.h>
77863 +#include <linux/mm.h>
77864 +#include <linux/mman.h>
77865 +#include <linux/module.h>
77866 +#include <linux/grinternal.h>
77867 +
77868 +void gr_handle_msr_write(void)
77869 +{
77870 + gr_log_noargs(GR_DONT_AUDIT, GR_MSRWRITE_MSG);
77871 + return;
77872 +}
77873 +EXPORT_SYMBOL_GPL(gr_handle_msr_write);
77874 +
77875 +void
77876 +gr_handle_ioperm(void)
77877 +{
77878 + gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG);
77879 + return;
77880 +}
77881 +
77882 +void
77883 +gr_handle_iopl(void)
77884 +{
77885 + gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG);
77886 + return;
77887 +}
77888 +
77889 +void
77890 +gr_handle_mem_readwrite(u64 from, u64 to)
77891 +{
77892 + gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to);
77893 + return;
77894 +}
77895 +
77896 +void
77897 +gr_handle_vm86(void)
77898 +{
77899 + gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG);
77900 + return;
77901 +}
77902 +
77903 +void
77904 +gr_log_badprocpid(const char *entry)
77905 +{
77906 + gr_log_str(GR_DONT_AUDIT, GR_BADPROCPID_MSG, entry);
77907 + return;
77908 +}
77909 diff --git a/grsecurity/grsec_mount.c b/grsecurity/grsec_mount.c
77910 new file mode 100644
77911 index 0000000..6f9eb73
77912 --- /dev/null
77913 +++ b/grsecurity/grsec_mount.c
77914 @@ -0,0 +1,65 @@
77915 +#include <linux/kernel.h>
77916 +#include <linux/sched.h>
77917 +#include <linux/mount.h>
77918 +#include <linux/major.h>
77919 +#include <linux/grsecurity.h>
77920 +#include <linux/grinternal.h>
77921 +
77922 +void
77923 +gr_log_remount(const char *devname, const int retval)
77924 +{
77925 +#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
77926 + if (grsec_enable_mount && (retval >= 0))
77927 + gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none");
77928 +#endif
77929 + return;
77930 +}
77931 +
77932 +void
77933 +gr_log_unmount(const char *devname, const int retval)
77934 +{
77935 +#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
77936 + if (grsec_enable_mount && (retval >= 0))
77937 + gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none");
77938 +#endif
77939 + return;
77940 +}
77941 +
77942 +void
77943 +gr_log_mount(const char *from, struct path *to, const int retval)
77944 +{
77945 +#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
77946 + if (grsec_enable_mount && (retval >= 0))
77947 + gr_log_str_fs(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to->dentry, to->mnt);
77948 +#endif
77949 + return;
77950 +}
77951 +
77952 +int
77953 +gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags)
77954 +{
77955 +#ifdef CONFIG_GRKERNSEC_ROFS
77956 + if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) {
77957 + gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt);
77958 + return -EPERM;
77959 + } else
77960 + return 0;
77961 +#endif
77962 + return 0;
77963 +}
77964 +
77965 +int
77966 +gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode)
77967 +{
77968 +#ifdef CONFIG_GRKERNSEC_ROFS
77969 + struct inode *inode = dentry->d_inode;
77970 +
77971 + if (grsec_enable_rofs && (acc_mode & MAY_WRITE) &&
77972 + inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR))) {
77973 + gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt);
77974 + return -EPERM;
77975 + } else
77976 + return 0;
77977 +#endif
77978 + return 0;
77979 +}
77980 diff --git a/grsecurity/grsec_pax.c b/grsecurity/grsec_pax.c
77981 new file mode 100644
77982 index 0000000..6ee9d50
77983 --- /dev/null
77984 +++ b/grsecurity/grsec_pax.c
77985 @@ -0,0 +1,45 @@
77986 +#include <linux/kernel.h>
77987 +#include <linux/sched.h>
77988 +#include <linux/mm.h>
77989 +#include <linux/file.h>
77990 +#include <linux/grinternal.h>
77991 +#include <linux/grsecurity.h>
77992 +
77993 +void
77994 +gr_log_textrel(struct vm_area_struct * vma)
77995 +{
77996 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
77997 + if (grsec_enable_log_rwxmaps)
77998 + gr_log_textrel_ulong_ulong(GR_DONT_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff);
77999 +#endif
78000 + return;
78001 +}
78002 +
78003 +void gr_log_ptgnustack(struct file *file)
78004 +{
78005 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
78006 + if (grsec_enable_log_rwxmaps)
78007 + gr_log_rwxmap(GR_DONT_AUDIT, GR_PTGNUSTACK_MSG, file);
78008 +#endif
78009 + return;
78010 +}
78011 +
78012 +void
78013 +gr_log_rwxmmap(struct file *file)
78014 +{
78015 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
78016 + if (grsec_enable_log_rwxmaps)
78017 + gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file);
78018 +#endif
78019 + return;
78020 +}
78021 +
78022 +void
78023 +gr_log_rwxmprotect(struct vm_area_struct *vma)
78024 +{
78025 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
78026 + if (grsec_enable_log_rwxmaps)
78027 + gr_log_rwxmap_vma(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, vma);
78028 +#endif
78029 + return;
78030 +}
78031 diff --git a/grsecurity/grsec_proc.c b/grsecurity/grsec_proc.c
78032 new file mode 100644
78033 index 0000000..2005a3a
78034 --- /dev/null
78035 +++ b/grsecurity/grsec_proc.c
78036 @@ -0,0 +1,20 @@
78037 +#include <linux/kernel.h>
78038 +#include <linux/sched.h>
78039 +#include <linux/grsecurity.h>
78040 +#include <linux/grinternal.h>
78041 +
78042 +int gr_proc_is_restricted(void)
78043 +{
78044 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
78045 + const struct cred *cred = current_cred();
78046 +#endif
78047 +
78048 +#ifdef CONFIG_GRKERNSEC_PROC_USER
78049 + if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID))
78050 + return -EACCES;
78051 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
78052 + if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID) && !in_group_p(grsec_proc_gid))
78053 + return -EACCES;
78054 +#endif
78055 + return 0;
78056 +}
78057 diff --git a/grsecurity/grsec_ptrace.c b/grsecurity/grsec_ptrace.c
78058 new file mode 100644
78059 index 0000000..f7f29aa
78060 --- /dev/null
78061 +++ b/grsecurity/grsec_ptrace.c
78062 @@ -0,0 +1,30 @@
78063 +#include <linux/kernel.h>
78064 +#include <linux/sched.h>
78065 +#include <linux/grinternal.h>
78066 +#include <linux/security.h>
78067 +
78068 +void
78069 +gr_audit_ptrace(struct task_struct *task)
78070 +{
78071 +#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
78072 + if (grsec_enable_audit_ptrace)
78073 + gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task);
78074 +#endif
78075 + return;
78076 +}
78077 +
78078 +int
78079 +gr_ptrace_readexec(struct file *file, int unsafe_flags)
78080 +{
78081 +#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
78082 + const struct dentry *dentry = file->f_path.dentry;
78083 + const struct vfsmount *mnt = file->f_path.mnt;
78084 +
78085 + if (grsec_enable_ptrace_readexec && (unsafe_flags & LSM_UNSAFE_PTRACE) &&
78086 + (inode_permission(dentry->d_inode, MAY_READ) || !gr_acl_handle_open(dentry, mnt, MAY_READ))) {
78087 + gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_READEXEC_MSG, dentry, mnt);
78088 + return -EACCES;
78089 + }
78090 +#endif
78091 + return 0;
78092 +}
78093 diff --git a/grsecurity/grsec_sig.c b/grsecurity/grsec_sig.c
78094 new file mode 100644
78095 index 0000000..3860c7e
78096 --- /dev/null
78097 +++ b/grsecurity/grsec_sig.c
78098 @@ -0,0 +1,236 @@
78099 +#include <linux/kernel.h>
78100 +#include <linux/sched.h>
78101 +#include <linux/fs.h>
78102 +#include <linux/delay.h>
78103 +#include <linux/grsecurity.h>
78104 +#include <linux/grinternal.h>
78105 +#include <linux/hardirq.h>
78106 +
78107 +char *signames[] = {
78108 + [SIGSEGV] = "Segmentation fault",
78109 + [SIGILL] = "Illegal instruction",
78110 + [SIGABRT] = "Abort",
78111 + [SIGBUS] = "Invalid alignment/Bus error"
78112 +};
78113 +
78114 +void
78115 +gr_log_signal(const int sig, const void *addr, const struct task_struct *t)
78116 +{
78117 +#ifdef CONFIG_GRKERNSEC_SIGNAL
78118 + if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) ||
78119 + (sig == SIGABRT) || (sig == SIGBUS))) {
78120 + if (task_pid_nr(t) == task_pid_nr(current)) {
78121 + gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr);
78122 + } else {
78123 + gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig);
78124 + }
78125 + }
78126 +#endif
78127 + return;
78128 +}
78129 +
78130 +int
78131 +gr_handle_signal(const struct task_struct *p, const int sig)
78132 +{
78133 +#ifdef CONFIG_GRKERNSEC
78134 + /* ignore the 0 signal for protected task checks */
78135 + if (task_pid_nr(current) > 1 && sig && gr_check_protected_task(p)) {
78136 + gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig);
78137 + return -EPERM;
78138 + } else if (gr_pid_is_chrooted((struct task_struct *)p)) {
78139 + return -EPERM;
78140 + }
78141 +#endif
78142 + return 0;
78143 +}
78144 +
78145 +#ifdef CONFIG_GRKERNSEC
78146 +extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t);
78147 +
78148 +int gr_fake_force_sig(int sig, struct task_struct *t)
78149 +{
78150 + unsigned long int flags;
78151 + int ret, blocked, ignored;
78152 + struct k_sigaction *action;
78153 +
78154 + spin_lock_irqsave(&t->sighand->siglock, flags);
78155 + action = &t->sighand->action[sig-1];
78156 + ignored = action->sa.sa_handler == SIG_IGN;
78157 + blocked = sigismember(&t->blocked, sig);
78158 + if (blocked || ignored) {
78159 + action->sa.sa_handler = SIG_DFL;
78160 + if (blocked) {
78161 + sigdelset(&t->blocked, sig);
78162 + recalc_sigpending_and_wake(t);
78163 + }
78164 + }
78165 + if (action->sa.sa_handler == SIG_DFL)
78166 + t->signal->flags &= ~SIGNAL_UNKILLABLE;
78167 + ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t);
78168 +
78169 + spin_unlock_irqrestore(&t->sighand->siglock, flags);
78170 +
78171 + return ret;
78172 +}
78173 +#endif
78174 +
78175 +#define GR_USER_BAN_TIME (15 * 60)
78176 +#define GR_DAEMON_BRUTE_TIME (30 * 60)
78177 +
78178 +void gr_handle_brute_attach(int dumpable)
78179 +{
78180 +#ifdef CONFIG_GRKERNSEC_BRUTE
78181 + struct task_struct *p = current;
78182 + kuid_t uid = GLOBAL_ROOT_UID;
78183 + int daemon = 0;
78184 +
78185 + if (!grsec_enable_brute)
78186 + return;
78187 +
78188 + rcu_read_lock();
78189 + read_lock(&tasklist_lock);
78190 + read_lock(&grsec_exec_file_lock);
78191 + if (p->real_parent && gr_is_same_file(p->real_parent->exec_file, p->exec_file)) {
78192 + p->real_parent->brute_expires = get_seconds() + GR_DAEMON_BRUTE_TIME;
78193 + p->real_parent->brute = 1;
78194 + daemon = 1;
78195 + } else {
78196 + const struct cred *cred = __task_cred(p), *cred2;
78197 + struct task_struct *tsk, *tsk2;
78198 +
78199 + if (dumpable != SUID_DUMP_USER && gr_is_global_nonroot(cred->uid)) {
78200 + struct user_struct *user;
78201 +
78202 + uid = cred->uid;
78203 +
78204 + /* this is put upon execution past expiration */
78205 + user = find_user(uid);
78206 + if (user == NULL)
78207 + goto unlock;
78208 + user->suid_banned = 1;
78209 + user->suid_ban_expires = get_seconds() + GR_USER_BAN_TIME;
78210 + if (user->suid_ban_expires == ~0UL)
78211 + user->suid_ban_expires--;
78212 +
78213 + /* only kill other threads of the same binary, from the same user */
78214 + do_each_thread(tsk2, tsk) {
78215 + cred2 = __task_cred(tsk);
78216 + if (tsk != p && uid_eq(cred2->uid, uid) && gr_is_same_file(tsk->exec_file, p->exec_file))
78217 + gr_fake_force_sig(SIGKILL, tsk);
78218 + } while_each_thread(tsk2, tsk);
78219 + }
78220 + }
78221 +unlock:
78222 + read_unlock(&grsec_exec_file_lock);
78223 + read_unlock(&tasklist_lock);
78224 + rcu_read_unlock();
78225 +
78226 + if (gr_is_global_nonroot(uid))
78227 + gr_log_fs_int2(GR_DONT_AUDIT, GR_BRUTE_SUID_MSG, p->exec_file->f_path.dentry, p->exec_file->f_path.mnt, GR_GLOBAL_UID(uid), GR_USER_BAN_TIME / 60);
78228 + else if (daemon)
78229 + gr_log_noargs(GR_DONT_AUDIT, GR_BRUTE_DAEMON_MSG);
78230 +
78231 +#endif
78232 + return;
78233 +}
78234 +
78235 +void gr_handle_brute_check(void)
78236 +{
78237 +#ifdef CONFIG_GRKERNSEC_BRUTE
78238 + struct task_struct *p = current;
78239 +
78240 + if (unlikely(p->brute)) {
78241 + if (!grsec_enable_brute)
78242 + p->brute = 0;
78243 + else if (time_before(get_seconds(), p->brute_expires))
78244 + msleep(30 * 1000);
78245 + }
78246 +#endif
78247 + return;
78248 +}
78249 +
78250 +void gr_handle_kernel_exploit(void)
78251 +{
78252 +#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
78253 + const struct cred *cred;
78254 + struct task_struct *tsk, *tsk2;
78255 + struct user_struct *user;
78256 + kuid_t uid;
78257 +
78258 + if (in_irq() || in_serving_softirq() || in_nmi())
78259 + panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context");
78260 +
78261 + uid = current_uid();
78262 +
78263 + if (gr_is_global_root(uid))
78264 + panic("grsec: halting the system due to suspicious kernel crash caused by root");
78265 + else {
78266 + /* kill all the processes of this user, hold a reference
78267 + to their creds struct, and prevent them from creating
78268 + another process until system reset
78269 + */
78270 + printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n",
78271 + GR_GLOBAL_UID(uid));
78272 + /* we intentionally leak this ref */
78273 + user = get_uid(current->cred->user);
78274 + if (user)
78275 + user->kernel_banned = 1;
78276 +
78277 + /* kill all processes of this user */
78278 + read_lock(&tasklist_lock);
78279 + do_each_thread(tsk2, tsk) {
78280 + cred = __task_cred(tsk);
78281 + if (uid_eq(cred->uid, uid))
78282 + gr_fake_force_sig(SIGKILL, tsk);
78283 + } while_each_thread(tsk2, tsk);
78284 + read_unlock(&tasklist_lock);
78285 + }
78286 +#endif
78287 +}
78288 +
78289 +#ifdef CONFIG_GRKERNSEC_BRUTE
78290 +static bool suid_ban_expired(struct user_struct *user)
78291 +{
78292 + if (user->suid_ban_expires != ~0UL && time_after_eq(get_seconds(), user->suid_ban_expires)) {
78293 + user->suid_banned = 0;
78294 + user->suid_ban_expires = 0;
78295 + free_uid(user);
78296 + return true;
78297 + }
78298 +
78299 + return false;
78300 +}
78301 +#endif
78302 +
78303 +int gr_process_kernel_exec_ban(void)
78304 +{
78305 +#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
78306 + if (unlikely(current->cred->user->kernel_banned))
78307 + return -EPERM;
78308 +#endif
78309 + return 0;
78310 +}
78311 +
78312 +int gr_process_kernel_setuid_ban(struct user_struct *user)
78313 +{
78314 +#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
78315 + if (unlikely(user->kernel_banned))
78316 + gr_fake_force_sig(SIGKILL, current);
78317 +#endif
78318 + return 0;
78319 +}
78320 +
78321 +int gr_process_suid_exec_ban(const struct linux_binprm *bprm)
78322 +{
78323 +#ifdef CONFIG_GRKERNSEC_BRUTE
78324 + struct user_struct *user = current->cred->user;
78325 + if (unlikely(user->suid_banned)) {
78326 + if (suid_ban_expired(user))
78327 + return 0;
78328 + /* disallow execution of suid binaries only */
78329 + else if (!uid_eq(bprm->cred->euid, current->cred->uid))
78330 + return -EPERM;
78331 + }
78332 +#endif
78333 + return 0;
78334 +}
78335 diff --git a/grsecurity/grsec_sock.c b/grsecurity/grsec_sock.c
78336 new file mode 100644
78337 index 0000000..e3650b6
78338 --- /dev/null
78339 +++ b/grsecurity/grsec_sock.c
78340 @@ -0,0 +1,244 @@
78341 +#include <linux/kernel.h>
78342 +#include <linux/module.h>
78343 +#include <linux/sched.h>
78344 +#include <linux/file.h>
78345 +#include <linux/net.h>
78346 +#include <linux/in.h>
78347 +#include <linux/ip.h>
78348 +#include <net/sock.h>
78349 +#include <net/inet_sock.h>
78350 +#include <linux/grsecurity.h>
78351 +#include <linux/grinternal.h>
78352 +#include <linux/gracl.h>
78353 +
78354 +extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb);
78355 +extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr);
78356 +
78357 +EXPORT_SYMBOL_GPL(gr_search_udp_recvmsg);
78358 +EXPORT_SYMBOL_GPL(gr_search_udp_sendmsg);
78359 +
78360 +#ifdef CONFIG_UNIX_MODULE
78361 +EXPORT_SYMBOL_GPL(gr_acl_handle_unix);
78362 +EXPORT_SYMBOL_GPL(gr_acl_handle_mknod);
78363 +EXPORT_SYMBOL_GPL(gr_handle_chroot_unix);
78364 +EXPORT_SYMBOL_GPL(gr_handle_create);
78365 +#endif
78366 +
78367 +#ifdef CONFIG_GRKERNSEC
78368 +#define gr_conn_table_size 32749
78369 +struct conn_table_entry {
78370 + struct conn_table_entry *next;
78371 + struct signal_struct *sig;
78372 +};
78373 +
78374 +struct conn_table_entry *gr_conn_table[gr_conn_table_size];
78375 +DEFINE_SPINLOCK(gr_conn_table_lock);
78376 +
78377 +extern const char * gr_socktype_to_name(unsigned char type);
78378 +extern const char * gr_proto_to_name(unsigned char proto);
78379 +extern const char * gr_sockfamily_to_name(unsigned char family);
78380 +
78381 +static __inline__ int
78382 +conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size)
78383 +{
78384 + return ((daddr + saddr + (sport << 8) + (dport << 16)) % size);
78385 +}
78386 +
78387 +static __inline__ int
78388 +conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr,
78389 + __u16 sport, __u16 dport)
78390 +{
78391 + if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr &&
78392 + sig->gr_sport == sport && sig->gr_dport == dport))
78393 + return 1;
78394 + else
78395 + return 0;
78396 +}
78397 +
78398 +static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent)
78399 +{
78400 + struct conn_table_entry **match;
78401 + unsigned int index;
78402 +
78403 + index = conn_hash(sig->gr_saddr, sig->gr_daddr,
78404 + sig->gr_sport, sig->gr_dport,
78405 + gr_conn_table_size);
78406 +
78407 + newent->sig = sig;
78408 +
78409 + match = &gr_conn_table[index];
78410 + newent->next = *match;
78411 + *match = newent;
78412 +
78413 + return;
78414 +}
78415 +
78416 +static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig)
78417 +{
78418 + struct conn_table_entry *match, *last = NULL;
78419 + unsigned int index;
78420 +
78421 + index = conn_hash(sig->gr_saddr, sig->gr_daddr,
78422 + sig->gr_sport, sig->gr_dport,
78423 + gr_conn_table_size);
78424 +
78425 + match = gr_conn_table[index];
78426 + while (match && !conn_match(match->sig,
78427 + sig->gr_saddr, sig->gr_daddr, sig->gr_sport,
78428 + sig->gr_dport)) {
78429 + last = match;
78430 + match = match->next;
78431 + }
78432 +
78433 + if (match) {
78434 + if (last)
78435 + last->next = match->next;
78436 + else
78437 + gr_conn_table[index] = NULL;
78438 + kfree(match);
78439 + }
78440 +
78441 + return;
78442 +}
78443 +
78444 +static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr,
78445 + __u16 sport, __u16 dport)
78446 +{
78447 + struct conn_table_entry *match;
78448 + unsigned int index;
78449 +
78450 + index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size);
78451 +
78452 + match = gr_conn_table[index];
78453 + while (match && !conn_match(match->sig, saddr, daddr, sport, dport))
78454 + match = match->next;
78455 +
78456 + if (match)
78457 + return match->sig;
78458 + else
78459 + return NULL;
78460 +}
78461 +
78462 +#endif
78463 +
78464 +void gr_update_task_in_ip_table(const struct inet_sock *inet)
78465 +{
78466 +#ifdef CONFIG_GRKERNSEC
78467 + struct signal_struct *sig = current->signal;
78468 + struct conn_table_entry *newent;
78469 +
78470 + newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC);
78471 + if (newent == NULL)
78472 + return;
78473 + /* no bh lock needed since we are called with bh disabled */
78474 + spin_lock(&gr_conn_table_lock);
78475 + gr_del_task_from_ip_table_nolock(sig);
78476 + sig->gr_saddr = inet->inet_rcv_saddr;
78477 + sig->gr_daddr = inet->inet_daddr;
78478 + sig->gr_sport = inet->inet_sport;
78479 + sig->gr_dport = inet->inet_dport;
78480 + gr_add_to_task_ip_table_nolock(sig, newent);
78481 + spin_unlock(&gr_conn_table_lock);
78482 +#endif
78483 + return;
78484 +}
78485 +
78486 +void gr_del_task_from_ip_table(struct task_struct *task)
78487 +{
78488 +#ifdef CONFIG_GRKERNSEC
78489 + spin_lock_bh(&gr_conn_table_lock);
78490 + gr_del_task_from_ip_table_nolock(task->signal);
78491 + spin_unlock_bh(&gr_conn_table_lock);
78492 +#endif
78493 + return;
78494 +}
78495 +
78496 +void
78497 +gr_attach_curr_ip(const struct sock *sk)
78498 +{
78499 +#ifdef CONFIG_GRKERNSEC
78500 + struct signal_struct *p, *set;
78501 + const struct inet_sock *inet = inet_sk(sk);
78502 +
78503 + if (unlikely(sk->sk_protocol != IPPROTO_TCP))
78504 + return;
78505 +
78506 + set = current->signal;
78507 +
78508 + spin_lock_bh(&gr_conn_table_lock);
78509 + p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr,
78510 + inet->inet_dport, inet->inet_sport);
78511 + if (unlikely(p != NULL)) {
78512 + set->curr_ip = p->curr_ip;
78513 + set->used_accept = 1;
78514 + gr_del_task_from_ip_table_nolock(p);
78515 + spin_unlock_bh(&gr_conn_table_lock);
78516 + return;
78517 + }
78518 + spin_unlock_bh(&gr_conn_table_lock);
78519 +
78520 + set->curr_ip = inet->inet_daddr;
78521 + set->used_accept = 1;
78522 +#endif
78523 + return;
78524 +}
78525 +
78526 +int
78527 +gr_handle_sock_all(const int family, const int type, const int protocol)
78528 +{
78529 +#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
78530 + if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) &&
78531 + (family != AF_UNIX)) {
78532 + if (family == AF_INET)
78533 + gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol));
78534 + else
78535 + gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol);
78536 + return -EACCES;
78537 + }
78538 +#endif
78539 + return 0;
78540 +}
78541 +
78542 +int
78543 +gr_handle_sock_server(const struct sockaddr *sck)
78544 +{
78545 +#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
78546 + if (grsec_enable_socket_server &&
78547 + in_group_p(grsec_socket_server_gid) &&
78548 + sck && (sck->sa_family != AF_UNIX) &&
78549 + (sck->sa_family != AF_LOCAL)) {
78550 + gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
78551 + return -EACCES;
78552 + }
78553 +#endif
78554 + return 0;
78555 +}
78556 +
78557 +int
78558 +gr_handle_sock_server_other(const struct sock *sck)
78559 +{
78560 +#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
78561 + if (grsec_enable_socket_server &&
78562 + in_group_p(grsec_socket_server_gid) &&
78563 + sck && (sck->sk_family != AF_UNIX) &&
78564 + (sck->sk_family != AF_LOCAL)) {
78565 + gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG);
78566 + return -EACCES;
78567 + }
78568 +#endif
78569 + return 0;
78570 +}
78571 +
78572 +int
78573 +gr_handle_sock_client(const struct sockaddr *sck)
78574 +{
78575 +#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
78576 + if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) &&
78577 + sck && (sck->sa_family != AF_UNIX) &&
78578 + (sck->sa_family != AF_LOCAL)) {
78579 + gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG);
78580 + return -EACCES;
78581 + }
78582 +#endif
78583 + return 0;
78584 +}
78585 diff --git a/grsecurity/grsec_sysctl.c b/grsecurity/grsec_sysctl.c
78586 new file mode 100644
78587 index 0000000..cce889e
78588 --- /dev/null
78589 +++ b/grsecurity/grsec_sysctl.c
78590 @@ -0,0 +1,488 @@
78591 +#include <linux/kernel.h>
78592 +#include <linux/sched.h>
78593 +#include <linux/sysctl.h>
78594 +#include <linux/grsecurity.h>
78595 +#include <linux/grinternal.h>
78596 +
78597 +int
78598 +gr_handle_sysctl_mod(const char *dirname, const char *name, const int op)
78599 +{
78600 +#ifdef CONFIG_GRKERNSEC_SYSCTL
78601 + if (dirname == NULL || name == NULL)
78602 + return 0;
78603 + if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) {
78604 + gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name);
78605 + return -EACCES;
78606 + }
78607 +#endif
78608 + return 0;
78609 +}
78610 +
78611 +#if defined(CONFIG_GRKERNSEC_ROFS) || defined(CONFIG_GRKERNSEC_DENYUSB)
78612 +static int __maybe_unused __read_only one = 1;
78613 +#endif
78614 +
78615 +#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) || \
78616 + defined(CONFIG_GRKERNSEC_DENYUSB)
78617 +struct ctl_table grsecurity_table[] = {
78618 +#ifdef CONFIG_GRKERNSEC_SYSCTL
78619 +#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO
78620 +#ifdef CONFIG_GRKERNSEC_IO
78621 + {
78622 + .procname = "disable_priv_io",
78623 + .data = &grsec_disable_privio,
78624 + .maxlen = sizeof(int),
78625 + .mode = 0600,
78626 + .proc_handler = &proc_dointvec,
78627 + },
78628 +#endif
78629 +#endif
78630 +#ifdef CONFIG_GRKERNSEC_LINK
78631 + {
78632 + .procname = "linking_restrictions",
78633 + .data = &grsec_enable_link,
78634 + .maxlen = sizeof(int),
78635 + .mode = 0600,
78636 + .proc_handler = &proc_dointvec,
78637 + },
78638 +#endif
78639 +#ifdef CONFIG_GRKERNSEC_SYMLINKOWN
78640 + {
78641 + .procname = "enforce_symlinksifowner",
78642 + .data = &grsec_enable_symlinkown,
78643 + .maxlen = sizeof(int),
78644 + .mode = 0600,
78645 + .proc_handler = &proc_dointvec,
78646 + },
78647 + {
78648 + .procname = "symlinkown_gid",
78649 + .data = &grsec_symlinkown_gid,
78650 + .maxlen = sizeof(int),
78651 + .mode = 0600,
78652 + .proc_handler = &proc_dointvec,
78653 + },
78654 +#endif
78655 +#ifdef CONFIG_GRKERNSEC_BRUTE
78656 + {
78657 + .procname = "deter_bruteforce",
78658 + .data = &grsec_enable_brute,
78659 + .maxlen = sizeof(int),
78660 + .mode = 0600,
78661 + .proc_handler = &proc_dointvec,
78662 + },
78663 +#endif
78664 +#ifdef CONFIG_GRKERNSEC_FIFO
78665 + {
78666 + .procname = "fifo_restrictions",
78667 + .data = &grsec_enable_fifo,
78668 + .maxlen = sizeof(int),
78669 + .mode = 0600,
78670 + .proc_handler = &proc_dointvec,
78671 + },
78672 +#endif
78673 +#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC
78674 + {
78675 + .procname = "ptrace_readexec",
78676 + .data = &grsec_enable_ptrace_readexec,
78677 + .maxlen = sizeof(int),
78678 + .mode = 0600,
78679 + .proc_handler = &proc_dointvec,
78680 + },
78681 +#endif
78682 +#ifdef CONFIG_GRKERNSEC_SETXID
78683 + {
78684 + .procname = "consistent_setxid",
78685 + .data = &grsec_enable_setxid,
78686 + .maxlen = sizeof(int),
78687 + .mode = 0600,
78688 + .proc_handler = &proc_dointvec,
78689 + },
78690 +#endif
78691 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
78692 + {
78693 + .procname = "ip_blackhole",
78694 + .data = &grsec_enable_blackhole,
78695 + .maxlen = sizeof(int),
78696 + .mode = 0600,
78697 + .proc_handler = &proc_dointvec,
78698 + },
78699 + {
78700 + .procname = "lastack_retries",
78701 + .data = &grsec_lastack_retries,
78702 + .maxlen = sizeof(int),
78703 + .mode = 0600,
78704 + .proc_handler = &proc_dointvec,
78705 + },
78706 +#endif
78707 +#ifdef CONFIG_GRKERNSEC_EXECLOG
78708 + {
78709 + .procname = "exec_logging",
78710 + .data = &grsec_enable_execlog,
78711 + .maxlen = sizeof(int),
78712 + .mode = 0600,
78713 + .proc_handler = &proc_dointvec,
78714 + },
78715 +#endif
78716 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
78717 + {
78718 + .procname = "rwxmap_logging",
78719 + .data = &grsec_enable_log_rwxmaps,
78720 + .maxlen = sizeof(int),
78721 + .mode = 0600,
78722 + .proc_handler = &proc_dointvec,
78723 + },
78724 +#endif
78725 +#ifdef CONFIG_GRKERNSEC_SIGNAL
78726 + {
78727 + .procname = "signal_logging",
78728 + .data = &grsec_enable_signal,
78729 + .maxlen = sizeof(int),
78730 + .mode = 0600,
78731 + .proc_handler = &proc_dointvec,
78732 + },
78733 +#endif
78734 +#ifdef CONFIG_GRKERNSEC_FORKFAIL
78735 + {
78736 + .procname = "forkfail_logging",
78737 + .data = &grsec_enable_forkfail,
78738 + .maxlen = sizeof(int),
78739 + .mode = 0600,
78740 + .proc_handler = &proc_dointvec,
78741 + },
78742 +#endif
78743 +#ifdef CONFIG_GRKERNSEC_TIME
78744 + {
78745 + .procname = "timechange_logging",
78746 + .data = &grsec_enable_time,
78747 + .maxlen = sizeof(int),
78748 + .mode = 0600,
78749 + .proc_handler = &proc_dointvec,
78750 + },
78751 +#endif
78752 +#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT
78753 + {
78754 + .procname = "chroot_deny_shmat",
78755 + .data = &grsec_enable_chroot_shmat,
78756 + .maxlen = sizeof(int),
78757 + .mode = 0600,
78758 + .proc_handler = &proc_dointvec,
78759 + },
78760 +#endif
78761 +#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX
78762 + {
78763 + .procname = "chroot_deny_unix",
78764 + .data = &grsec_enable_chroot_unix,
78765 + .maxlen = sizeof(int),
78766 + .mode = 0600,
78767 + .proc_handler = &proc_dointvec,
78768 + },
78769 +#endif
78770 +#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT
78771 + {
78772 + .procname = "chroot_deny_mount",
78773 + .data = &grsec_enable_chroot_mount,
78774 + .maxlen = sizeof(int),
78775 + .mode = 0600,
78776 + .proc_handler = &proc_dointvec,
78777 + },
78778 +#endif
78779 +#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR
78780 + {
78781 + .procname = "chroot_deny_fchdir",
78782 + .data = &grsec_enable_chroot_fchdir,
78783 + .maxlen = sizeof(int),
78784 + .mode = 0600,
78785 + .proc_handler = &proc_dointvec,
78786 + },
78787 +#endif
78788 +#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE
78789 + {
78790 + .procname = "chroot_deny_chroot",
78791 + .data = &grsec_enable_chroot_double,
78792 + .maxlen = sizeof(int),
78793 + .mode = 0600,
78794 + .proc_handler = &proc_dointvec,
78795 + },
78796 +#endif
78797 +#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT
78798 + {
78799 + .procname = "chroot_deny_pivot",
78800 + .data = &grsec_enable_chroot_pivot,
78801 + .maxlen = sizeof(int),
78802 + .mode = 0600,
78803 + .proc_handler = &proc_dointvec,
78804 + },
78805 +#endif
78806 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR
78807 + {
78808 + .procname = "chroot_enforce_chdir",
78809 + .data = &grsec_enable_chroot_chdir,
78810 + .maxlen = sizeof(int),
78811 + .mode = 0600,
78812 + .proc_handler = &proc_dointvec,
78813 + },
78814 +#endif
78815 +#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD
78816 + {
78817 + .procname = "chroot_deny_chmod",
78818 + .data = &grsec_enable_chroot_chmod,
78819 + .maxlen = sizeof(int),
78820 + .mode = 0600,
78821 + .proc_handler = &proc_dointvec,
78822 + },
78823 +#endif
78824 +#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD
78825 + {
78826 + .procname = "chroot_deny_mknod",
78827 + .data = &grsec_enable_chroot_mknod,
78828 + .maxlen = sizeof(int),
78829 + .mode = 0600,
78830 + .proc_handler = &proc_dointvec,
78831 + },
78832 +#endif
78833 +#ifdef CONFIG_GRKERNSEC_CHROOT_NICE
78834 + {
78835 + .procname = "chroot_restrict_nice",
78836 + .data = &grsec_enable_chroot_nice,
78837 + .maxlen = sizeof(int),
78838 + .mode = 0600,
78839 + .proc_handler = &proc_dointvec,
78840 + },
78841 +#endif
78842 +#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG
78843 + {
78844 + .procname = "chroot_execlog",
78845 + .data = &grsec_enable_chroot_execlog,
78846 + .maxlen = sizeof(int),
78847 + .mode = 0600,
78848 + .proc_handler = &proc_dointvec,
78849 + },
78850 +#endif
78851 +#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS
78852 + {
78853 + .procname = "chroot_caps",
78854 + .data = &grsec_enable_chroot_caps,
78855 + .maxlen = sizeof(int),
78856 + .mode = 0600,
78857 + .proc_handler = &proc_dointvec,
78858 + },
78859 +#endif
78860 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
78861 + {
78862 + .procname = "chroot_deny_bad_rename",
78863 + .data = &grsec_enable_chroot_rename,
78864 + .maxlen = sizeof(int),
78865 + .mode = 0600,
78866 + .proc_handler = &proc_dointvec,
78867 + },
78868 +#endif
78869 +#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL
78870 + {
78871 + .procname = "chroot_deny_sysctl",
78872 + .data = &grsec_enable_chroot_sysctl,
78873 + .maxlen = sizeof(int),
78874 + .mode = 0600,
78875 + .proc_handler = &proc_dointvec,
78876 + },
78877 +#endif
78878 +#ifdef CONFIG_GRKERNSEC_TPE
78879 + {
78880 + .procname = "tpe",
78881 + .data = &grsec_enable_tpe,
78882 + .maxlen = sizeof(int),
78883 + .mode = 0600,
78884 + .proc_handler = &proc_dointvec,
78885 + },
78886 + {
78887 + .procname = "tpe_gid",
78888 + .data = &grsec_tpe_gid,
78889 + .maxlen = sizeof(int),
78890 + .mode = 0600,
78891 + .proc_handler = &proc_dointvec,
78892 + },
78893 +#endif
78894 +#ifdef CONFIG_GRKERNSEC_TPE_INVERT
78895 + {
78896 + .procname = "tpe_invert",
78897 + .data = &grsec_enable_tpe_invert,
78898 + .maxlen = sizeof(int),
78899 + .mode = 0600,
78900 + .proc_handler = &proc_dointvec,
78901 + },
78902 +#endif
78903 +#ifdef CONFIG_GRKERNSEC_TPE_ALL
78904 + {
78905 + .procname = "tpe_restrict_all",
78906 + .data = &grsec_enable_tpe_all,
78907 + .maxlen = sizeof(int),
78908 + .mode = 0600,
78909 + .proc_handler = &proc_dointvec,
78910 + },
78911 +#endif
78912 +#ifdef CONFIG_GRKERNSEC_SOCKET_ALL
78913 + {
78914 + .procname = "socket_all",
78915 + .data = &grsec_enable_socket_all,
78916 + .maxlen = sizeof(int),
78917 + .mode = 0600,
78918 + .proc_handler = &proc_dointvec,
78919 + },
78920 + {
78921 + .procname = "socket_all_gid",
78922 + .data = &grsec_socket_all_gid,
78923 + .maxlen = sizeof(int),
78924 + .mode = 0600,
78925 + .proc_handler = &proc_dointvec,
78926 + },
78927 +#endif
78928 +#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT
78929 + {
78930 + .procname = "socket_client",
78931 + .data = &grsec_enable_socket_client,
78932 + .maxlen = sizeof(int),
78933 + .mode = 0600,
78934 + .proc_handler = &proc_dointvec,
78935 + },
78936 + {
78937 + .procname = "socket_client_gid",
78938 + .data = &grsec_socket_client_gid,
78939 + .maxlen = sizeof(int),
78940 + .mode = 0600,
78941 + .proc_handler = &proc_dointvec,
78942 + },
78943 +#endif
78944 +#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER
78945 + {
78946 + .procname = "socket_server",
78947 + .data = &grsec_enable_socket_server,
78948 + .maxlen = sizeof(int),
78949 + .mode = 0600,
78950 + .proc_handler = &proc_dointvec,
78951 + },
78952 + {
78953 + .procname = "socket_server_gid",
78954 + .data = &grsec_socket_server_gid,
78955 + .maxlen = sizeof(int),
78956 + .mode = 0600,
78957 + .proc_handler = &proc_dointvec,
78958 + },
78959 +#endif
78960 +#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP
78961 + {
78962 + .procname = "audit_group",
78963 + .data = &grsec_enable_group,
78964 + .maxlen = sizeof(int),
78965 + .mode = 0600,
78966 + .proc_handler = &proc_dointvec,
78967 + },
78968 + {
78969 + .procname = "audit_gid",
78970 + .data = &grsec_audit_gid,
78971 + .maxlen = sizeof(int),
78972 + .mode = 0600,
78973 + .proc_handler = &proc_dointvec,
78974 + },
78975 +#endif
78976 +#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR
78977 + {
78978 + .procname = "audit_chdir",
78979 + .data = &grsec_enable_chdir,
78980 + .maxlen = sizeof(int),
78981 + .mode = 0600,
78982 + .proc_handler = &proc_dointvec,
78983 + },
78984 +#endif
78985 +#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT
78986 + {
78987 + .procname = "audit_mount",
78988 + .data = &grsec_enable_mount,
78989 + .maxlen = sizeof(int),
78990 + .mode = 0600,
78991 + .proc_handler = &proc_dointvec,
78992 + },
78993 +#endif
78994 +#ifdef CONFIG_GRKERNSEC_DMESG
78995 + {
78996 + .procname = "dmesg",
78997 + .data = &grsec_enable_dmesg,
78998 + .maxlen = sizeof(int),
78999 + .mode = 0600,
79000 + .proc_handler = &proc_dointvec,
79001 + },
79002 +#endif
79003 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
79004 + {
79005 + .procname = "chroot_findtask",
79006 + .data = &grsec_enable_chroot_findtask,
79007 + .maxlen = sizeof(int),
79008 + .mode = 0600,
79009 + .proc_handler = &proc_dointvec,
79010 + },
79011 +#endif
79012 +#ifdef CONFIG_GRKERNSEC_RESLOG
79013 + {
79014 + .procname = "resource_logging",
79015 + .data = &grsec_resource_logging,
79016 + .maxlen = sizeof(int),
79017 + .mode = 0600,
79018 + .proc_handler = &proc_dointvec,
79019 + },
79020 +#endif
79021 +#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE
79022 + {
79023 + .procname = "audit_ptrace",
79024 + .data = &grsec_enable_audit_ptrace,
79025 + .maxlen = sizeof(int),
79026 + .mode = 0600,
79027 + .proc_handler = &proc_dointvec,
79028 + },
79029 +#endif
79030 +#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE
79031 + {
79032 + .procname = "harden_ptrace",
79033 + .data = &grsec_enable_harden_ptrace,
79034 + .maxlen = sizeof(int),
79035 + .mode = 0600,
79036 + .proc_handler = &proc_dointvec,
79037 + },
79038 +#endif
79039 +#ifdef CONFIG_GRKERNSEC_HARDEN_IPC
79040 + {
79041 + .procname = "harden_ipc",
79042 + .data = &grsec_enable_harden_ipc,
79043 + .maxlen = sizeof(int),
79044 + .mode = 0600,
79045 + .proc_handler = &proc_dointvec,
79046 + },
79047 +#endif
79048 + {
79049 + .procname = "grsec_lock",
79050 + .data = &grsec_lock,
79051 + .maxlen = sizeof(int),
79052 + .mode = 0600,
79053 + .proc_handler = &proc_dointvec,
79054 + },
79055 +#endif
79056 +#ifdef CONFIG_GRKERNSEC_ROFS
79057 + {
79058 + .procname = "romount_protect",
79059 + .data = &grsec_enable_rofs,
79060 + .maxlen = sizeof(int),
79061 + .mode = 0600,
79062 + .proc_handler = &proc_dointvec_minmax,
79063 + .extra1 = &one,
79064 + .extra2 = &one,
79065 + },
79066 +#endif
79067 +#if defined(CONFIG_GRKERNSEC_DENYUSB) && !defined(CONFIG_GRKERNSEC_DENYUSB_FORCE)
79068 + {
79069 + .procname = "deny_new_usb",
79070 + .data = &grsec_deny_new_usb,
79071 + .maxlen = sizeof(int),
79072 + .mode = 0600,
79073 + .proc_handler = &proc_dointvec,
79074 + },
79075 +#endif
79076 + { }
79077 +};
79078 +#endif
79079 diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c
79080 new file mode 100644
79081 index 0000000..61b514e
79082 --- /dev/null
79083 +++ b/grsecurity/grsec_time.c
79084 @@ -0,0 +1,16 @@
79085 +#include <linux/kernel.h>
79086 +#include <linux/sched.h>
79087 +#include <linux/grinternal.h>
79088 +#include <linux/module.h>
79089 +
79090 +void
79091 +gr_log_timechange(void)
79092 +{
79093 +#ifdef CONFIG_GRKERNSEC_TIME
79094 + if (grsec_enable_time)
79095 + gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG);
79096 +#endif
79097 + return;
79098 +}
79099 +
79100 +EXPORT_SYMBOL_GPL(gr_log_timechange);
79101 diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c
79102 new file mode 100644
79103 index 0000000..d1953de
79104 --- /dev/null
79105 +++ b/grsecurity/grsec_tpe.c
79106 @@ -0,0 +1,78 @@
79107 +#include <linux/kernel.h>
79108 +#include <linux/sched.h>
79109 +#include <linux/file.h>
79110 +#include <linux/fs.h>
79111 +#include <linux/grinternal.h>
79112 +
79113 +extern int gr_acl_tpe_check(void);
79114 +
79115 +int
79116 +gr_tpe_allow(const struct file *file)
79117 +{
79118 +#ifdef CONFIG_GRKERNSEC
79119 + struct inode *inode = file->f_path.dentry->d_parent->d_inode;
79120 + struct inode *file_inode = file->f_path.dentry->d_inode;
79121 + const struct cred *cred = current_cred();
79122 + char *msg = NULL;
79123 + char *msg2 = NULL;
79124 +
79125 + // never restrict root
79126 + if (gr_is_global_root(cred->uid))
79127 + return 1;
79128 +
79129 + if (grsec_enable_tpe) {
79130 +#ifdef CONFIG_GRKERNSEC_TPE_INVERT
79131 + if (grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid))
79132 + msg = "not being in trusted group";
79133 + else if (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid))
79134 + msg = "being in untrusted group";
79135 +#else
79136 + if (in_group_p(grsec_tpe_gid))
79137 + msg = "being in untrusted group";
79138 +#endif
79139 + }
79140 + if (!msg && gr_acl_tpe_check())
79141 + msg = "being in untrusted role";
79142 +
79143 + // not in any affected group/role
79144 + if (!msg)
79145 + goto next_check;
79146 +
79147 + if (gr_is_global_nonroot(inode->i_uid))
79148 + msg2 = "file in non-root-owned directory";
79149 + else if (inode->i_mode & S_IWOTH)
79150 + msg2 = "file in world-writable directory";
79151 + else if (inode->i_mode & S_IWGRP)
79152 + msg2 = "file in group-writable directory";
79153 + else if (file_inode->i_mode & S_IWOTH)
79154 + msg2 = "file is world-writable";
79155 +
79156 + if (msg && msg2) {
79157 + char fullmsg[70] = {0};
79158 + snprintf(fullmsg, sizeof(fullmsg)-1, "%s and %s", msg, msg2);
79159 + gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, fullmsg, file->f_path.dentry, file->f_path.mnt);
79160 + return 0;
79161 + }
79162 + msg = NULL;
79163 +next_check:
79164 +#ifdef CONFIG_GRKERNSEC_TPE_ALL
79165 + if (!grsec_enable_tpe || !grsec_enable_tpe_all)
79166 + return 1;
79167 +
79168 + if (gr_is_global_nonroot(inode->i_uid) && !uid_eq(inode->i_uid, cred->uid))
79169 + msg = "directory not owned by user";
79170 + else if (inode->i_mode & S_IWOTH)
79171 + msg = "file in world-writable directory";
79172 + else if (inode->i_mode & S_IWGRP)
79173 + msg = "file in group-writable directory";
79174 + else if (file_inode->i_mode & S_IWOTH)
79175 + msg = "file is world-writable";
79176 +
79177 + if (msg) {
79178 + gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, msg, file->f_path.dentry, file->f_path.mnt);
79179 + return 0;
79180 + }
79181 +#endif
79182 +#endif
79183 + return 1;
79184 +}
79185 diff --git a/grsecurity/grsec_usb.c b/grsecurity/grsec_usb.c
79186 new file mode 100644
79187 index 0000000..ae02d8e
79188 --- /dev/null
79189 +++ b/grsecurity/grsec_usb.c
79190 @@ -0,0 +1,15 @@
79191 +#include <linux/kernel.h>
79192 +#include <linux/grinternal.h>
79193 +#include <linux/module.h>
79194 +
79195 +int gr_handle_new_usb(void)
79196 +{
79197 +#ifdef CONFIG_GRKERNSEC_DENYUSB
79198 + if (grsec_deny_new_usb) {
79199 + printk(KERN_ALERT "grsec: denied insert of new USB device\n");
79200 + return 1;
79201 + }
79202 +#endif
79203 + return 0;
79204 +}
79205 +EXPORT_SYMBOL_GPL(gr_handle_new_usb);
79206 diff --git a/grsecurity/grsum.c b/grsecurity/grsum.c
79207 new file mode 100644
79208 index 0000000..158b330
79209 --- /dev/null
79210 +++ b/grsecurity/grsum.c
79211 @@ -0,0 +1,64 @@
79212 +#include <linux/err.h>
79213 +#include <linux/kernel.h>
79214 +#include <linux/sched.h>
79215 +#include <linux/mm.h>
79216 +#include <linux/scatterlist.h>
79217 +#include <linux/crypto.h>
79218 +#include <linux/gracl.h>
79219 +
79220 +
79221 +#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE)
79222 +#error "crypto and sha256 must be built into the kernel"
79223 +#endif
79224 +
79225 +int
79226 +chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum)
79227 +{
79228 + struct crypto_hash *tfm;
79229 + struct hash_desc desc;
79230 + struct scatterlist sg[2];
79231 + unsigned char temp_sum[GR_SHA_LEN] __attribute__((aligned(__alignof__(unsigned long))));
79232 + unsigned long *tmpsumptr = (unsigned long *)temp_sum;
79233 + unsigned long *sumptr = (unsigned long *)sum;
79234 + int cryptres;
79235 + int retval = 1;
79236 + volatile int mismatched = 0;
79237 + volatile int dummy = 0;
79238 + unsigned int i;
79239 +
79240 + tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC);
79241 + if (IS_ERR(tfm)) {
79242 + /* should never happen, since sha256 should be built in */
79243 + memset(entry->pw, 0, GR_PW_LEN);
79244 + return 1;
79245 + }
79246 +
79247 + sg_init_table(sg, 2);
79248 + sg_set_buf(&sg[0], salt, GR_SALT_LEN);
79249 + sg_set_buf(&sg[1], entry->pw, strlen(entry->pw));
79250 +
79251 + desc.tfm = tfm;
79252 + desc.flags = 0;
79253 +
79254 + cryptres = crypto_hash_digest(&desc, sg, GR_SALT_LEN + strlen(entry->pw),
79255 + temp_sum);
79256 +
79257 + memset(entry->pw, 0, GR_PW_LEN);
79258 +
79259 + if (cryptres)
79260 + goto out;
79261 +
79262 + for (i = 0; i < GR_SHA_LEN/sizeof(tmpsumptr[0]); i++)
79263 + if (sumptr[i] != tmpsumptr[i])
79264 + mismatched = 1;
79265 + else
79266 + dummy = 1; // waste a cycle
79267 +
79268 + if (!mismatched)
79269 + retval = dummy - 1;
79270 +
79271 +out:
79272 + crypto_free_hash(tfm);
79273 +
79274 + return retval;
79275 +}
79276 diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
79277 index 77ff547..181834f 100644
79278 --- a/include/asm-generic/4level-fixup.h
79279 +++ b/include/asm-generic/4level-fixup.h
79280 @@ -13,8 +13,10 @@
79281 #define pmd_alloc(mm, pud, address) \
79282 ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
79283 NULL: pmd_offset(pud, address))
79284 +#define pmd_alloc_kernel(mm, pud, address) pmd_alloc((mm), (pud), (address))
79285
79286 #define pud_alloc(mm, pgd, address) (pgd)
79287 +#define pud_alloc_kernel(mm, pgd, address) pud_alloc((mm), (pgd), (address))
79288 #define pud_offset(pgd, start) (pgd)
79289 #define pud_none(pud) 0
79290 #define pud_bad(pud) 0
79291 diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
79292 index b7babf0..1e4b4f1 100644
79293 --- a/include/asm-generic/atomic-long.h
79294 +++ b/include/asm-generic/atomic-long.h
79295 @@ -22,6 +22,12 @@
79296
79297 typedef atomic64_t atomic_long_t;
79298
79299 +#ifdef CONFIG_PAX_REFCOUNT
79300 +typedef atomic64_unchecked_t atomic_long_unchecked_t;
79301 +#else
79302 +typedef atomic64_t atomic_long_unchecked_t;
79303 +#endif
79304 +
79305 #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
79306
79307 static inline long atomic_long_read(atomic_long_t *l)
79308 @@ -31,6 +37,15 @@ static inline long atomic_long_read(atomic_long_t *l)
79309 return (long)atomic64_read(v);
79310 }
79311
79312 +#ifdef CONFIG_PAX_REFCOUNT
79313 +static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
79314 +{
79315 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79316 +
79317 + return (long)atomic64_read_unchecked(v);
79318 +}
79319 +#endif
79320 +
79321 static inline void atomic_long_set(atomic_long_t *l, long i)
79322 {
79323 atomic64_t *v = (atomic64_t *)l;
79324 @@ -38,6 +53,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
79325 atomic64_set(v, i);
79326 }
79327
79328 +#ifdef CONFIG_PAX_REFCOUNT
79329 +static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
79330 +{
79331 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79332 +
79333 + atomic64_set_unchecked(v, i);
79334 +}
79335 +#endif
79336 +
79337 static inline void atomic_long_inc(atomic_long_t *l)
79338 {
79339 atomic64_t *v = (atomic64_t *)l;
79340 @@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
79341 atomic64_inc(v);
79342 }
79343
79344 +#ifdef CONFIG_PAX_REFCOUNT
79345 +static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
79346 +{
79347 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79348 +
79349 + atomic64_inc_unchecked(v);
79350 +}
79351 +#endif
79352 +
79353 static inline void atomic_long_dec(atomic_long_t *l)
79354 {
79355 atomic64_t *v = (atomic64_t *)l;
79356 @@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
79357 atomic64_dec(v);
79358 }
79359
79360 +#ifdef CONFIG_PAX_REFCOUNT
79361 +static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
79362 +{
79363 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79364 +
79365 + atomic64_dec_unchecked(v);
79366 +}
79367 +#endif
79368 +
79369 static inline void atomic_long_add(long i, atomic_long_t *l)
79370 {
79371 atomic64_t *v = (atomic64_t *)l;
79372 @@ -59,6 +101,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
79373 atomic64_add(i, v);
79374 }
79375
79376 +#ifdef CONFIG_PAX_REFCOUNT
79377 +static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
79378 +{
79379 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79380 +
79381 + atomic64_add_unchecked(i, v);
79382 +}
79383 +#endif
79384 +
79385 static inline void atomic_long_sub(long i, atomic_long_t *l)
79386 {
79387 atomic64_t *v = (atomic64_t *)l;
79388 @@ -66,6 +117,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
79389 atomic64_sub(i, v);
79390 }
79391
79392 +#ifdef CONFIG_PAX_REFCOUNT
79393 +static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
79394 +{
79395 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79396 +
79397 + atomic64_sub_unchecked(i, v);
79398 +}
79399 +#endif
79400 +
79401 static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
79402 {
79403 atomic64_t *v = (atomic64_t *)l;
79404 @@ -94,13 +154,22 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l)
79405 return atomic64_add_negative(i, v);
79406 }
79407
79408 -static inline long atomic_long_add_return(long i, atomic_long_t *l)
79409 +static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l)
79410 {
79411 atomic64_t *v = (atomic64_t *)l;
79412
79413 return (long)atomic64_add_return(i, v);
79414 }
79415
79416 +#ifdef CONFIG_PAX_REFCOUNT
79417 +static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l)
79418 +{
79419 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79420 +
79421 + return (long)atomic64_add_return_unchecked(i, v);
79422 +}
79423 +#endif
79424 +
79425 static inline long atomic_long_sub_return(long i, atomic_long_t *l)
79426 {
79427 atomic64_t *v = (atomic64_t *)l;
79428 @@ -115,6 +184,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
79429 return (long)atomic64_inc_return(v);
79430 }
79431
79432 +#ifdef CONFIG_PAX_REFCOUNT
79433 +static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
79434 +{
79435 + atomic64_unchecked_t *v = (atomic64_unchecked_t *)l;
79436 +
79437 + return (long)atomic64_inc_return_unchecked(v);
79438 +}
79439 +#endif
79440 +
79441 static inline long atomic_long_dec_return(atomic_long_t *l)
79442 {
79443 atomic64_t *v = (atomic64_t *)l;
79444 @@ -140,6 +218,12 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
79445
79446 typedef atomic_t atomic_long_t;
79447
79448 +#ifdef CONFIG_PAX_REFCOUNT
79449 +typedef atomic_unchecked_t atomic_long_unchecked_t;
79450 +#else
79451 +typedef atomic_t atomic_long_unchecked_t;
79452 +#endif
79453 +
79454 #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
79455 static inline long atomic_long_read(atomic_long_t *l)
79456 {
79457 @@ -148,6 +232,15 @@ static inline long atomic_long_read(atomic_long_t *l)
79458 return (long)atomic_read(v);
79459 }
79460
79461 +#ifdef CONFIG_PAX_REFCOUNT
79462 +static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l)
79463 +{
79464 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79465 +
79466 + return (long)atomic_read_unchecked(v);
79467 +}
79468 +#endif
79469 +
79470 static inline void atomic_long_set(atomic_long_t *l, long i)
79471 {
79472 atomic_t *v = (atomic_t *)l;
79473 @@ -155,6 +248,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i)
79474 atomic_set(v, i);
79475 }
79476
79477 +#ifdef CONFIG_PAX_REFCOUNT
79478 +static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i)
79479 +{
79480 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79481 +
79482 + atomic_set_unchecked(v, i);
79483 +}
79484 +#endif
79485 +
79486 static inline void atomic_long_inc(atomic_long_t *l)
79487 {
79488 atomic_t *v = (atomic_t *)l;
79489 @@ -162,6 +264,15 @@ static inline void atomic_long_inc(atomic_long_t *l)
79490 atomic_inc(v);
79491 }
79492
79493 +#ifdef CONFIG_PAX_REFCOUNT
79494 +static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l)
79495 +{
79496 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79497 +
79498 + atomic_inc_unchecked(v);
79499 +}
79500 +#endif
79501 +
79502 static inline void atomic_long_dec(atomic_long_t *l)
79503 {
79504 atomic_t *v = (atomic_t *)l;
79505 @@ -169,6 +280,15 @@ static inline void atomic_long_dec(atomic_long_t *l)
79506 atomic_dec(v);
79507 }
79508
79509 +#ifdef CONFIG_PAX_REFCOUNT
79510 +static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l)
79511 +{
79512 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79513 +
79514 + atomic_dec_unchecked(v);
79515 +}
79516 +#endif
79517 +
79518 static inline void atomic_long_add(long i, atomic_long_t *l)
79519 {
79520 atomic_t *v = (atomic_t *)l;
79521 @@ -176,6 +296,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l)
79522 atomic_add(i, v);
79523 }
79524
79525 +#ifdef CONFIG_PAX_REFCOUNT
79526 +static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l)
79527 +{
79528 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79529 +
79530 + atomic_add_unchecked(i, v);
79531 +}
79532 +#endif
79533 +
79534 static inline void atomic_long_sub(long i, atomic_long_t *l)
79535 {
79536 atomic_t *v = (atomic_t *)l;
79537 @@ -183,6 +312,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
79538 atomic_sub(i, v);
79539 }
79540
79541 +#ifdef CONFIG_PAX_REFCOUNT
79542 +static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l)
79543 +{
79544 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79545 +
79546 + atomic_sub_unchecked(i, v);
79547 +}
79548 +#endif
79549 +
79550 static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
79551 {
79552 atomic_t *v = (atomic_t *)l;
79553 @@ -211,13 +349,23 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l)
79554 return atomic_add_negative(i, v);
79555 }
79556
79557 -static inline long atomic_long_add_return(long i, atomic_long_t *l)
79558 +static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l)
79559 {
79560 atomic_t *v = (atomic_t *)l;
79561
79562 return (long)atomic_add_return(i, v);
79563 }
79564
79565 +#ifdef CONFIG_PAX_REFCOUNT
79566 +static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l)
79567 +{
79568 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79569 +
79570 + return (long)atomic_add_return_unchecked(i, v);
79571 +}
79572 +
79573 +#endif
79574 +
79575 static inline long atomic_long_sub_return(long i, atomic_long_t *l)
79576 {
79577 atomic_t *v = (atomic_t *)l;
79578 @@ -232,6 +380,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l)
79579 return (long)atomic_inc_return(v);
79580 }
79581
79582 +#ifdef CONFIG_PAX_REFCOUNT
79583 +static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l)
79584 +{
79585 + atomic_unchecked_t *v = (atomic_unchecked_t *)l;
79586 +
79587 + return (long)atomic_inc_return_unchecked(v);
79588 +}
79589 +#endif
79590 +
79591 static inline long atomic_long_dec_return(atomic_long_t *l)
79592 {
79593 atomic_t *v = (atomic_t *)l;
79594 @@ -255,4 +412,57 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
79595
79596 #endif /* BITS_PER_LONG == 64 */
79597
79598 +#ifdef CONFIG_PAX_REFCOUNT
79599 +static inline void pax_refcount_needs_these_functions(void)
79600 +{
79601 + atomic_read_unchecked((atomic_unchecked_t *)NULL);
79602 + atomic_set_unchecked((atomic_unchecked_t *)NULL, 0);
79603 + atomic_add_unchecked(0, (atomic_unchecked_t *)NULL);
79604 + atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL);
79605 + atomic_inc_unchecked((atomic_unchecked_t *)NULL);
79606 + (void)atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL);
79607 + atomic_inc_return_unchecked((atomic_unchecked_t *)NULL);
79608 + atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL);
79609 + atomic_dec_unchecked((atomic_unchecked_t *)NULL);
79610 + atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0);
79611 + (void)atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0);
79612 +#ifdef CONFIG_X86
79613 + atomic_clear_mask_unchecked(0, NULL);
79614 + atomic_set_mask_unchecked(0, NULL);
79615 +#endif
79616 +
79617 + atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL);
79618 + atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0);
79619 + atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL);
79620 + atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL);
79621 + atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL);
79622 + atomic_long_add_return_unchecked(0, (atomic_long_unchecked_t *)NULL);
79623 + atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL);
79624 + atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL);
79625 +}
79626 +#else
79627 +#define atomic_read_unchecked(v) atomic_read(v)
79628 +#define atomic_set_unchecked(v, i) atomic_set((v), (i))
79629 +#define atomic_add_unchecked(i, v) atomic_add((i), (v))
79630 +#define atomic_sub_unchecked(i, v) atomic_sub((i), (v))
79631 +#define atomic_inc_unchecked(v) atomic_inc(v)
79632 +#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v)
79633 +#define atomic_inc_return_unchecked(v) atomic_inc_return(v)
79634 +#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v))
79635 +#define atomic_dec_unchecked(v) atomic_dec(v)
79636 +#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n))
79637 +#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i))
79638 +#define atomic_clear_mask_unchecked(mask, v) atomic_clear_mask((mask), (v))
79639 +#define atomic_set_mask_unchecked(mask, v) atomic_set_mask((mask), (v))
79640 +
79641 +#define atomic_long_read_unchecked(v) atomic_long_read(v)
79642 +#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i))
79643 +#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v))
79644 +#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v))
79645 +#define atomic_long_inc_unchecked(v) atomic_long_inc(v)
79646 +#define atomic_long_add_return_unchecked(i, v) atomic_long_add_return((i), (v))
79647 +#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v)
79648 +#define atomic_long_dec_unchecked(v) atomic_long_dec(v)
79649 +#endif
79650 +
79651 #endif /* _ASM_GENERIC_ATOMIC_LONG_H */
79652 diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
79653 index 30ad9c8..c70c170 100644
79654 --- a/include/asm-generic/atomic64.h
79655 +++ b/include/asm-generic/atomic64.h
79656 @@ -16,6 +16,8 @@ typedef struct {
79657 long long counter;
79658 } atomic64_t;
79659
79660 +typedef atomic64_t atomic64_unchecked_t;
79661 +
79662 #define ATOMIC64_INIT(i) { (i) }
79663
79664 extern long long atomic64_read(const atomic64_t *v);
79665 @@ -51,4 +53,14 @@ extern int atomic64_add_unless(atomic64_t *v, long long a, long long u);
79666 #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
79667 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)
79668
79669 +#define atomic64_read_unchecked(v) atomic64_read(v)
79670 +#define atomic64_set_unchecked(v, i) atomic64_set((v), (i))
79671 +#define atomic64_add_unchecked(a, v) atomic64_add((a), (v))
79672 +#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v))
79673 +#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v))
79674 +#define atomic64_inc_unchecked(v) atomic64_inc(v)
79675 +#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v)
79676 +#define atomic64_dec_unchecked(v) atomic64_dec(v)
79677 +#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n))
79678 +
79679 #endif /* _ASM_GENERIC_ATOMIC64_H */
79680 diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
79681 index 1402fa8..025a736 100644
79682 --- a/include/asm-generic/barrier.h
79683 +++ b/include/asm-generic/barrier.h
79684 @@ -74,7 +74,7 @@
79685 do { \
79686 compiletime_assert_atomic_type(*p); \
79687 smp_mb(); \
79688 - ACCESS_ONCE(*p) = (v); \
79689 + ACCESS_ONCE_RW(*p) = (v); \
79690 } while (0)
79691
79692 #define smp_load_acquire(p) \
79693 diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h
79694 index a60a7cc..0fe12f2 100644
79695 --- a/include/asm-generic/bitops/__fls.h
79696 +++ b/include/asm-generic/bitops/__fls.h
79697 @@ -9,7 +9,7 @@
79698 *
79699 * Undefined if no set bit exists, so code should check against 0 first.
79700 */
79701 -static __always_inline unsigned long __fls(unsigned long word)
79702 +static __always_inline unsigned long __intentional_overflow(-1) __fls(unsigned long word)
79703 {
79704 int num = BITS_PER_LONG - 1;
79705
79706 diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h
79707 index 0576d1f..dad6c71 100644
79708 --- a/include/asm-generic/bitops/fls.h
79709 +++ b/include/asm-generic/bitops/fls.h
79710 @@ -9,7 +9,7 @@
79711 * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
79712 */
79713
79714 -static __always_inline int fls(int x)
79715 +static __always_inline int __intentional_overflow(-1) fls(int x)
79716 {
79717 int r = 32;
79718
79719 diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h
79720 index b097cf8..3d40e14 100644
79721 --- a/include/asm-generic/bitops/fls64.h
79722 +++ b/include/asm-generic/bitops/fls64.h
79723 @@ -15,7 +15,7 @@
79724 * at position 64.
79725 */
79726 #if BITS_PER_LONG == 32
79727 -static __always_inline int fls64(__u64 x)
79728 +static __always_inline int __intentional_overflow(-1) fls64(__u64 x)
79729 {
79730 __u32 h = x >> 32;
79731 if (h)
79732 @@ -23,7 +23,7 @@ static __always_inline int fls64(__u64 x)
79733 return fls(x);
79734 }
79735 #elif BITS_PER_LONG == 64
79736 -static __always_inline int fls64(__u64 x)
79737 +static __always_inline int __intentional_overflow(-1) fls64(__u64 x)
79738 {
79739 if (x == 0)
79740 return 0;
79741 diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h
79742 index 1bfcfe5..e04c5c9 100644
79743 --- a/include/asm-generic/cache.h
79744 +++ b/include/asm-generic/cache.h
79745 @@ -6,7 +6,7 @@
79746 * cache lines need to provide their own cache.h.
79747 */
79748
79749 -#define L1_CACHE_SHIFT 5
79750 -#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
79751 +#define L1_CACHE_SHIFT 5UL
79752 +#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT)
79753
79754 #endif /* __ASM_GENERIC_CACHE_H */
79755 diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h
79756 index 0d68a1e..b74a761 100644
79757 --- a/include/asm-generic/emergency-restart.h
79758 +++ b/include/asm-generic/emergency-restart.h
79759 @@ -1,7 +1,7 @@
79760 #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H
79761 #define _ASM_GENERIC_EMERGENCY_RESTART_H
79762
79763 -static inline void machine_emergency_restart(void)
79764 +static inline __noreturn void machine_emergency_restart(void)
79765 {
79766 machine_restart(NULL);
79767 }
79768 diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
79769 index b8fdc57..c6d5a5c 100644
79770 --- a/include/asm-generic/io.h
79771 +++ b/include/asm-generic/io.h
79772 @@ -289,7 +289,7 @@ static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p)
79773 * These are pretty trivial
79774 */
79775 #ifndef virt_to_phys
79776 -static inline unsigned long virt_to_phys(volatile void *address)
79777 +static inline unsigned long __intentional_overflow(-1) virt_to_phys(volatile void *address)
79778 {
79779 return __pa((unsigned long)address);
79780 }
79781 diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
79782 index 90f99c7..00ce236 100644
79783 --- a/include/asm-generic/kmap_types.h
79784 +++ b/include/asm-generic/kmap_types.h
79785 @@ -2,9 +2,9 @@
79786 #define _ASM_GENERIC_KMAP_TYPES_H
79787
79788 #ifdef __WITH_KM_FENCE
79789 -# define KM_TYPE_NR 41
79790 +# define KM_TYPE_NR 42
79791 #else
79792 -# define KM_TYPE_NR 20
79793 +# define KM_TYPE_NR 21
79794 #endif
79795
79796 #endif
79797 diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
79798 index 9ceb03b..62b0b8f 100644
79799 --- a/include/asm-generic/local.h
79800 +++ b/include/asm-generic/local.h
79801 @@ -23,24 +23,37 @@ typedef struct
79802 atomic_long_t a;
79803 } local_t;
79804
79805 +typedef struct {
79806 + atomic_long_unchecked_t a;
79807 +} local_unchecked_t;
79808 +
79809 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
79810
79811 #define local_read(l) atomic_long_read(&(l)->a)
79812 +#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a)
79813 #define local_set(l,i) atomic_long_set((&(l)->a),(i))
79814 +#define local_set_unchecked(l,i) atomic_long_set_unchecked((&(l)->a),(i))
79815 #define local_inc(l) atomic_long_inc(&(l)->a)
79816 +#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a)
79817 #define local_dec(l) atomic_long_dec(&(l)->a)
79818 +#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a)
79819 #define local_add(i,l) atomic_long_add((i),(&(l)->a))
79820 +#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a))
79821 #define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
79822 +#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a))
79823
79824 #define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a))
79825 #define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a)
79826 #define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a)
79827 #define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a))
79828 #define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
79829 +#define local_add_return_unchecked(i, l) atomic_long_add_return_unchecked((i), (&(l)->a))
79830 #define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a))
79831 #define local_inc_return(l) atomic_long_inc_return(&(l)->a)
79832 +#define local_dec_return(l) atomic_long_dec_return(&(l)->a)
79833
79834 #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
79835 +#define local_cmpxchg_unchecked(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
79836 #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
79837 #define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u))
79838 #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
79839 diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
79840 index 725612b..9cc513a 100644
79841 --- a/include/asm-generic/pgtable-nopmd.h
79842 +++ b/include/asm-generic/pgtable-nopmd.h
79843 @@ -1,14 +1,19 @@
79844 #ifndef _PGTABLE_NOPMD_H
79845 #define _PGTABLE_NOPMD_H
79846
79847 -#ifndef __ASSEMBLY__
79848 -
79849 #include <asm-generic/pgtable-nopud.h>
79850
79851 -struct mm_struct;
79852 -
79853 #define __PAGETABLE_PMD_FOLDED
79854
79855 +#define PMD_SHIFT PUD_SHIFT
79856 +#define PTRS_PER_PMD 1
79857 +#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT)
79858 +#define PMD_MASK (~(PMD_SIZE-1))
79859 +
79860 +#ifndef __ASSEMBLY__
79861 +
79862 +struct mm_struct;
79863 +
79864 /*
79865 * Having the pmd type consist of a pud gets the size right, and allows
79866 * us to conceptually access the pud entry that this pmd is folded into
79867 @@ -16,11 +21,6 @@ struct mm_struct;
79868 */
79869 typedef struct { pud_t pud; } pmd_t;
79870
79871 -#define PMD_SHIFT PUD_SHIFT
79872 -#define PTRS_PER_PMD 1
79873 -#define PMD_SIZE (1UL << PMD_SHIFT)
79874 -#define PMD_MASK (~(PMD_SIZE-1))
79875 -
79876 /*
79877 * The "pud_xxx()" functions here are trivial for a folded two-level
79878 * setup: the pmd is never bad, and a pmd always exists (as it's folded
79879 diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
79880 index 810431d..0ec4804f 100644
79881 --- a/include/asm-generic/pgtable-nopud.h
79882 +++ b/include/asm-generic/pgtable-nopud.h
79883 @@ -1,10 +1,15 @@
79884 #ifndef _PGTABLE_NOPUD_H
79885 #define _PGTABLE_NOPUD_H
79886
79887 -#ifndef __ASSEMBLY__
79888 -
79889 #define __PAGETABLE_PUD_FOLDED
79890
79891 +#define PUD_SHIFT PGDIR_SHIFT
79892 +#define PTRS_PER_PUD 1
79893 +#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT)
79894 +#define PUD_MASK (~(PUD_SIZE-1))
79895 +
79896 +#ifndef __ASSEMBLY__
79897 +
79898 /*
79899 * Having the pud type consist of a pgd gets the size right, and allows
79900 * us to conceptually access the pgd entry that this pud is folded into
79901 @@ -12,11 +17,6 @@
79902 */
79903 typedef struct { pgd_t pgd; } pud_t;
79904
79905 -#define PUD_SHIFT PGDIR_SHIFT
79906 -#define PTRS_PER_PUD 1
79907 -#define PUD_SIZE (1UL << PUD_SHIFT)
79908 -#define PUD_MASK (~(PUD_SIZE-1))
79909 -
79910 /*
79911 * The "pgd_xxx()" functions here are trivial for a folded two-level
79912 * setup: the pud is never bad, and a pud always exists (as it's folded
79913 @@ -29,6 +29,7 @@ static inline void pgd_clear(pgd_t *pgd) { }
79914 #define pud_ERROR(pud) (pgd_ERROR((pud).pgd))
79915
79916 #define pgd_populate(mm, pgd, pud) do { } while (0)
79917 +#define pgd_populate_kernel(mm, pgd, pud) do { } while (0)
79918 /*
79919 * (puds are folded into pgds so this doesn't get actually called,
79920 * but the define is needed for a generic inline function.)
79921 diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
79922 index 752e30d..87f172d 100644
79923 --- a/include/asm-generic/pgtable.h
79924 +++ b/include/asm-generic/pgtable.h
79925 @@ -828,6 +828,22 @@ static inline void pmdp_set_numa(struct mm_struct *mm, unsigned long addr,
79926 }
79927 #endif /* CONFIG_NUMA_BALANCING */
79928
79929 +#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL
79930 +#ifdef CONFIG_PAX_KERNEXEC
79931 +#error KERNEXEC requires pax_open_kernel
79932 +#else
79933 +static inline unsigned long pax_open_kernel(void) { return 0; }
79934 +#endif
79935 +#endif
79936 +
79937 +#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL
79938 +#ifdef CONFIG_PAX_KERNEXEC
79939 +#error KERNEXEC requires pax_close_kernel
79940 +#else
79941 +static inline unsigned long pax_close_kernel(void) { return 0; }
79942 +#endif
79943 +#endif
79944 +
79945 #endif /* CONFIG_MMU */
79946
79947 #endif /* !__ASSEMBLY__ */
79948 diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
79949 index 72d8803..cb9749c 100644
79950 --- a/include/asm-generic/uaccess.h
79951 +++ b/include/asm-generic/uaccess.h
79952 @@ -343,4 +343,20 @@ clear_user(void __user *to, unsigned long n)
79953 return __clear_user(to, n);
79954 }
79955
79956 +#ifndef __HAVE_ARCH_PAX_OPEN_USERLAND
79957 +#ifdef CONFIG_PAX_MEMORY_UDEREF
79958 +#error UDEREF requires pax_open_userland
79959 +#else
79960 +static inline unsigned long pax_open_userland(void) { return 0; }
79961 +#endif
79962 +#endif
79963 +
79964 +#ifndef __HAVE_ARCH_PAX_CLOSE_USERLAND
79965 +#ifdef CONFIG_PAX_MEMORY_UDEREF
79966 +#error UDEREF requires pax_close_userland
79967 +#else
79968 +static inline unsigned long pax_close_userland(void) { return 0; }
79969 +#endif
79970 +#endif
79971 +
79972 #endif /* __ASM_GENERIC_UACCESS_H */
79973 diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
79974 index aa70cbd..fd72c7a 100644
79975 --- a/include/asm-generic/vmlinux.lds.h
79976 +++ b/include/asm-generic/vmlinux.lds.h
79977 @@ -233,6 +233,7 @@
79978 .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
79979 VMLINUX_SYMBOL(__start_rodata) = .; \
79980 *(.rodata) *(.rodata.*) \
79981 + *(.data..read_only) \
79982 *(__vermagic) /* Kernel version magic */ \
79983 . = ALIGN(8); \
79984 VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \
79985 @@ -724,17 +725,18 @@
79986 * section in the linker script will go there too. @phdr should have
79987 * a leading colon.
79988 *
79989 - * Note that this macros defines __per_cpu_load as an absolute symbol.
79990 + * Note that this macros defines per_cpu_load as an absolute symbol.
79991 * If there is no need to put the percpu section at a predetermined
79992 * address, use PERCPU_SECTION.
79993 */
79994 #define PERCPU_VADDR(cacheline, vaddr, phdr) \
79995 - VMLINUX_SYMBOL(__per_cpu_load) = .; \
79996 - .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \
79997 + per_cpu_load = .; \
79998 + .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \
79999 - LOAD_OFFSET) { \
80000 + VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \
80001 PERCPU_INPUT(cacheline) \
80002 } phdr \
80003 - . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
80004 + . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu);
80005
80006 /**
80007 * PERCPU_SECTION - define output section for percpu area, simple version
80008 diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
80009 index 623a59c..1e79ab9 100644
80010 --- a/include/crypto/algapi.h
80011 +++ b/include/crypto/algapi.h
80012 @@ -34,7 +34,7 @@ struct crypto_type {
80013 unsigned int maskclear;
80014 unsigned int maskset;
80015 unsigned int tfmsize;
80016 -};
80017 +} __do_const;
80018
80019 struct crypto_instance {
80020 struct crypto_alg alg;
80021 diff --git a/include/drm/drmP.h b/include/drm/drmP.h
80022 index 53ed876..5bb09be 100644
80023 --- a/include/drm/drmP.h
80024 +++ b/include/drm/drmP.h
80025 @@ -59,6 +59,7 @@
80026
80027 #include <asm/mman.h>
80028 #include <asm/pgalloc.h>
80029 +#include <asm/local.h>
80030 #include <asm/uaccess.h>
80031
80032 #include <uapi/drm/drm.h>
80033 @@ -223,10 +224,12 @@ void drm_err(const char *func, const char *format, ...);
80034 * \param cmd command.
80035 * \param arg argument.
80036 */
80037 -typedef int drm_ioctl_t(struct drm_device *dev, void *data,
80038 +typedef int (* const drm_ioctl_t)(struct drm_device *dev, void *data,
80039 + struct drm_file *file_priv);
80040 +typedef int (* drm_ioctl_no_const_t)(struct drm_device *dev, void *data,
80041 struct drm_file *file_priv);
80042
80043 -typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
80044 +typedef int (* const drm_ioctl_compat_t)(struct file *filp, unsigned int cmd,
80045 unsigned long arg);
80046
80047 #define DRM_IOCTL_NR(n) _IOC_NR(n)
80048 @@ -242,10 +245,10 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
80049 struct drm_ioctl_desc {
80050 unsigned int cmd;
80051 int flags;
80052 - drm_ioctl_t *func;
80053 + drm_ioctl_t func;
80054 unsigned int cmd_drv;
80055 const char *name;
80056 -};
80057 +} __do_const;
80058
80059 /**
80060 * Creates a driver or general drm_ioctl_desc array entry for the given
80061 @@ -629,7 +632,8 @@ struct drm_info_list {
80062 int (*show)(struct seq_file*, void*); /** show callback */
80063 u32 driver_features; /**< Required driver features for this entry */
80064 void *data;
80065 -};
80066 +} __do_const;
80067 +typedef struct drm_info_list __no_const drm_info_list_no_const;
80068
80069 /**
80070 * debugfs node structure. This structure represents a debugfs file.
80071 @@ -713,7 +717,7 @@ struct drm_device {
80072
80073 /** \name Usage Counters */
80074 /*@{ */
80075 - int open_count; /**< Outstanding files open, protected by drm_global_mutex. */
80076 + local_t open_count; /**< Outstanding files open, protected by drm_global_mutex. */
80077 spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */
80078 int buf_use; /**< Buffers in use -- cannot alloc */
80079 atomic_t buf_alloc; /**< Buffer allocation in progress */
80080 diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
80081 index a3d75fe..6802f9c 100644
80082 --- a/include/drm/drm_crtc_helper.h
80083 +++ b/include/drm/drm_crtc_helper.h
80084 @@ -109,7 +109,7 @@ struct drm_encoder_helper_funcs {
80085 struct drm_connector *connector);
80086 /* disable encoder when not in use - more explicit than dpms off */
80087 void (*disable)(struct drm_encoder *encoder);
80088 -};
80089 +} __no_const;
80090
80091 /**
80092 * drm_connector_helper_funcs - helper operations for connectors
80093 diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
80094 index a70d456..6ea07cd 100644
80095 --- a/include/drm/i915_pciids.h
80096 +++ b/include/drm/i915_pciids.h
80097 @@ -37,7 +37,7 @@
80098 */
80099 #define INTEL_VGA_DEVICE(id, info) { \
80100 0x8086, id, \
80101 - ~0, ~0, \
80102 + PCI_ANY_ID, PCI_ANY_ID, \
80103 0x030000, 0xff0000, \
80104 (unsigned long) info }
80105
80106 diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
80107 index 72dcbe8..8db58d7 100644
80108 --- a/include/drm/ttm/ttm_memory.h
80109 +++ b/include/drm/ttm/ttm_memory.h
80110 @@ -48,7 +48,7 @@
80111
80112 struct ttm_mem_shrink {
80113 int (*do_shrink) (struct ttm_mem_shrink *);
80114 -};
80115 +} __no_const;
80116
80117 /**
80118 * struct ttm_mem_global - Global memory accounting structure.
80119 diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
80120 index 49a8284..9643967 100644
80121 --- a/include/drm/ttm/ttm_page_alloc.h
80122 +++ b/include/drm/ttm/ttm_page_alloc.h
80123 @@ -80,6 +80,7 @@ void ttm_dma_page_alloc_fini(void);
80124 */
80125 extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
80126
80127 +struct device;
80128 extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
80129 extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
80130
80131 diff --git a/include/keys/asymmetric-subtype.h b/include/keys/asymmetric-subtype.h
80132 index 4b840e8..155d235 100644
80133 --- a/include/keys/asymmetric-subtype.h
80134 +++ b/include/keys/asymmetric-subtype.h
80135 @@ -37,7 +37,7 @@ struct asymmetric_key_subtype {
80136 /* Verify the signature on a key of this subtype (optional) */
80137 int (*verify_signature)(const struct key *key,
80138 const struct public_key_signature *sig);
80139 -};
80140 +} __do_const;
80141
80142 /**
80143 * asymmetric_key_subtype - Get the subtype from an asymmetric key
80144 diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
80145 index c1da539..1dcec55 100644
80146 --- a/include/linux/atmdev.h
80147 +++ b/include/linux/atmdev.h
80148 @@ -28,7 +28,7 @@ struct compat_atm_iobuf {
80149 #endif
80150
80151 struct k_atm_aal_stats {
80152 -#define __HANDLE_ITEM(i) atomic_t i
80153 +#define __HANDLE_ITEM(i) atomic_unchecked_t i
80154 __AAL_STAT_ITEMS
80155 #undef __HANDLE_ITEM
80156 };
80157 @@ -200,7 +200,7 @@ struct atmdev_ops { /* only send is required */
80158 int (*change_qos)(struct atm_vcc *vcc,struct atm_qos *qos,int flags);
80159 int (*proc_read)(struct atm_dev *dev,loff_t *pos,char *page);
80160 struct module *owner;
80161 -};
80162 +} __do_const ;
80163
80164 struct atmphy_ops {
80165 int (*start)(struct atm_dev *dev);
80166 diff --git a/include/linux/audit.h b/include/linux/audit.h
80167 index 10f155b..6c73ffe 100644
80168 --- a/include/linux/audit.h
80169 +++ b/include/linux/audit.h
80170 @@ -219,7 +219,7 @@ static inline void audit_ptrace(struct task_struct *t)
80171 extern unsigned int audit_serial(void);
80172 extern int auditsc_get_stamp(struct audit_context *ctx,
80173 struct timespec *t, unsigned int *serial);
80174 -extern int audit_set_loginuid(kuid_t loginuid);
80175 +extern int __intentional_overflow(-1) audit_set_loginuid(kuid_t loginuid);
80176
80177 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
80178 {
80179 diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
80180 index 61f29e5..e67c658 100644
80181 --- a/include/linux/binfmts.h
80182 +++ b/include/linux/binfmts.h
80183 @@ -44,7 +44,7 @@ struct linux_binprm {
80184 unsigned interp_flags;
80185 unsigned interp_data;
80186 unsigned long loader, exec;
80187 -};
80188 +} __randomize_layout;
80189
80190 #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0
80191 #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT)
80192 @@ -73,8 +73,10 @@ struct linux_binfmt {
80193 int (*load_binary)(struct linux_binprm *);
80194 int (*load_shlib)(struct file *);
80195 int (*core_dump)(struct coredump_params *cprm);
80196 + void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags);
80197 + void (*handle_mmap)(struct file *);
80198 unsigned long min_coredump; /* minimal dump size */
80199 -};
80200 +} __do_const __randomize_layout;
80201
80202 extern void __register_binfmt(struct linux_binfmt *fmt, int insert);
80203
80204 diff --git a/include/linux/bitops.h b/include/linux/bitops.h
80205 index 5d858e0..336c1d9 100644
80206 --- a/include/linux/bitops.h
80207 +++ b/include/linux/bitops.h
80208 @@ -105,7 +105,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift)
80209 * @word: value to rotate
80210 * @shift: bits to roll
80211 */
80212 -static inline __u32 rol32(__u32 word, unsigned int shift)
80213 +static inline __u32 __intentional_overflow(-1) rol32(__u32 word, unsigned int shift)
80214 {
80215 return (word << shift) | (word >> (32 - shift));
80216 }
80217 @@ -115,7 +115,7 @@ static inline __u32 rol32(__u32 word, unsigned int shift)
80218 * @word: value to rotate
80219 * @shift: bits to roll
80220 */
80221 -static inline __u32 ror32(__u32 word, unsigned int shift)
80222 +static inline __u32 __intentional_overflow(-1) ror32(__u32 word, unsigned int shift)
80223 {
80224 return (word >> shift) | (word << (32 - shift));
80225 }
80226 @@ -171,7 +171,7 @@ static inline __s32 sign_extend32(__u32 value, int index)
80227 return (__s32)(value << shift) >> shift;
80228 }
80229
80230 -static inline unsigned fls_long(unsigned long l)
80231 +static inline unsigned __intentional_overflow(-1) fls_long(unsigned long l)
80232 {
80233 if (sizeof(l) == 4)
80234 return fls(l);
80235 diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
80236 index aac0f9e..73c9869 100644
80237 --- a/include/linux/blkdev.h
80238 +++ b/include/linux/blkdev.h
80239 @@ -1615,7 +1615,7 @@ struct block_device_operations {
80240 /* this callback is with swap_lock and sometimes page table lock held */
80241 void (*swap_slot_free_notify) (struct block_device *, unsigned long);
80242 struct module *owner;
80243 -};
80244 +} __do_const;
80245
80246 extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
80247 unsigned long);
80248 diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
80249 index afc1343..9735539 100644
80250 --- a/include/linux/blktrace_api.h
80251 +++ b/include/linux/blktrace_api.h
80252 @@ -25,7 +25,7 @@ struct blk_trace {
80253 struct dentry *dropped_file;
80254 struct dentry *msg_file;
80255 struct list_head running_list;
80256 - atomic_t dropped;
80257 + atomic_unchecked_t dropped;
80258 };
80259
80260 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
80261 diff --git a/include/linux/cache.h b/include/linux/cache.h
80262 index 17e7e82..1d7da26 100644
80263 --- a/include/linux/cache.h
80264 +++ b/include/linux/cache.h
80265 @@ -16,6 +16,14 @@
80266 #define __read_mostly
80267 #endif
80268
80269 +#ifndef __read_only
80270 +#ifdef CONFIG_PAX_KERNEXEC
80271 +#error KERNEXEC requires __read_only
80272 +#else
80273 +#define __read_only __read_mostly
80274 +#endif
80275 +#endif
80276 +
80277 #ifndef ____cacheline_aligned
80278 #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
80279 #endif
80280 diff --git a/include/linux/capability.h b/include/linux/capability.h
80281 index aa93e5e..985a1b0 100644
80282 --- a/include/linux/capability.h
80283 +++ b/include/linux/capability.h
80284 @@ -214,9 +214,14 @@ extern bool has_ns_capability_noaudit(struct task_struct *t,
80285 extern bool capable(int cap);
80286 extern bool ns_capable(struct user_namespace *ns, int cap);
80287 extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap);
80288 +extern bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap);
80289 extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
80290 +extern bool capable_nolog(int cap);
80291 +extern bool ns_capable_nolog(struct user_namespace *ns, int cap);
80292
80293 /* audit system wants to get cap info from files as well */
80294 extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
80295
80296 +extern int is_privileged_binary(const struct dentry *dentry);
80297 +
80298 #endif /* !_LINUX_CAPABILITY_H */
80299 diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
80300 index 8609d57..86e4d79 100644
80301 --- a/include/linux/cdrom.h
80302 +++ b/include/linux/cdrom.h
80303 @@ -87,7 +87,6 @@ struct cdrom_device_ops {
80304
80305 /* driver specifications */
80306 const int capability; /* capability flags */
80307 - int n_minors; /* number of active minor devices */
80308 /* handle uniform packets for scsi type devices (scsi,atapi) */
80309 int (*generic_packet) (struct cdrom_device_info *,
80310 struct packet_command *);
80311 diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
80312 index 4ce9056..86caac6 100644
80313 --- a/include/linux/cleancache.h
80314 +++ b/include/linux/cleancache.h
80315 @@ -31,7 +31,7 @@ struct cleancache_ops {
80316 void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);
80317 void (*invalidate_inode)(int, struct cleancache_filekey);
80318 void (*invalidate_fs)(int);
80319 -};
80320 +} __no_const;
80321
80322 extern struct cleancache_ops *
80323 cleancache_register_ops(struct cleancache_ops *ops);
80324 diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
80325 index 2839c63..5b06b6b 100644
80326 --- a/include/linux/clk-provider.h
80327 +++ b/include/linux/clk-provider.h
80328 @@ -191,6 +191,7 @@ struct clk_ops {
80329 void (*init)(struct clk_hw *hw);
80330 int (*debug_init)(struct clk_hw *hw, struct dentry *dentry);
80331 };
80332 +typedef struct clk_ops __no_const clk_ops_no_const;
80333
80334 /**
80335 * struct clk_init_data - holds init data that's common to all clocks and is
80336 diff --git a/include/linux/compat.h b/include/linux/compat.h
80337 index e649426..a74047b 100644
80338 --- a/include/linux/compat.h
80339 +++ b/include/linux/compat.h
80340 @@ -316,7 +316,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
80341 compat_size_t __user *len_ptr);
80342
80343 asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32);
80344 -asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
80345 +asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg) __intentional_overflow(0);
80346 asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
80347 asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
80348 compat_ssize_t msgsz, int msgflg);
80349 @@ -436,7 +436,7 @@ extern int compat_ptrace_request(struct task_struct *child,
80350 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
80351 compat_ulong_t addr, compat_ulong_t data);
80352 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
80353 - compat_long_t addr, compat_long_t data);
80354 + compat_ulong_t addr, compat_ulong_t data);
80355
80356 asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t);
80357 /*
80358 diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
80359 index d1a5582..4424efa 100644
80360 --- a/include/linux/compiler-gcc4.h
80361 +++ b/include/linux/compiler-gcc4.h
80362 @@ -39,9 +39,34 @@
80363 # define __compiletime_warning(message) __attribute__((warning(message)))
80364 # define __compiletime_error(message) __attribute__((error(message)))
80365 #endif /* __CHECKER__ */
80366 +
80367 +#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__)))
80368 +#define __bos(ptr, arg) __builtin_object_size((ptr), (arg))
80369 +#define __bos0(ptr) __bos((ptr), 0)
80370 +#define __bos1(ptr) __bos((ptr), 1)
80371 #endif /* GCC_VERSION >= 40300 */
80372
80373 #if GCC_VERSION >= 40500
80374 +
80375 +#ifdef RANDSTRUCT_PLUGIN
80376 +#define __randomize_layout __attribute__((randomize_layout))
80377 +#define __no_randomize_layout __attribute__((no_randomize_layout))
80378 +#endif
80379 +
80380 +#ifdef CONSTIFY_PLUGIN
80381 +#define __no_const __attribute__((no_const))
80382 +#define __do_const __attribute__((do_const))
80383 +#endif
80384 +
80385 +#ifdef SIZE_OVERFLOW_PLUGIN
80386 +#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__)))
80387 +#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__)))
80388 +#endif
80389 +
80390 +#ifdef LATENT_ENTROPY_PLUGIN
80391 +#define __latent_entropy __attribute__((latent_entropy))
80392 +#endif
80393 +
80394 /*
80395 * Mark a position in code as unreachable. This can be used to
80396 * suppress control flow warnings after asm blocks that transfer
80397 diff --git a/include/linux/compiler.h b/include/linux/compiler.h
80398 index d5ad7b1..3b74638 100644
80399 --- a/include/linux/compiler.h
80400 +++ b/include/linux/compiler.h
80401 @@ -5,11 +5,14 @@
80402
80403 #ifdef __CHECKER__
80404 # define __user __attribute__((noderef, address_space(1)))
80405 +# define __force_user __force __user
80406 # define __kernel __attribute__((address_space(0)))
80407 +# define __force_kernel __force __kernel
80408 # define __safe __attribute__((safe))
80409 # define __force __attribute__((force))
80410 # define __nocast __attribute__((nocast))
80411 # define __iomem __attribute__((noderef, address_space(2)))
80412 +# define __force_iomem __force __iomem
80413 # define __must_hold(x) __attribute__((context(x,1,1)))
80414 # define __acquires(x) __attribute__((context(x,0,1)))
80415 # define __releases(x) __attribute__((context(x,1,0)))
80416 @@ -17,20 +20,37 @@
80417 # define __release(x) __context__(x,-1)
80418 # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
80419 # define __percpu __attribute__((noderef, address_space(3)))
80420 +# define __force_percpu __force __percpu
80421 #ifdef CONFIG_SPARSE_RCU_POINTER
80422 # define __rcu __attribute__((noderef, address_space(4)))
80423 +# define __force_rcu __force __rcu
80424 #else
80425 # define __rcu
80426 +# define __force_rcu
80427 #endif
80428 extern void __chk_user_ptr(const volatile void __user *);
80429 extern void __chk_io_ptr(const volatile void __iomem *);
80430 #else
80431 -# define __user
80432 -# define __kernel
80433 +# ifdef CHECKER_PLUGIN
80434 +//# define __user
80435 +//# define __force_user
80436 +//# define __kernel
80437 +//# define __force_kernel
80438 +# else
80439 +# ifdef STRUCTLEAK_PLUGIN
80440 +# define __user __attribute__((user))
80441 +# else
80442 +# define __user
80443 +# endif
80444 +# define __force_user
80445 +# define __kernel
80446 +# define __force_kernel
80447 +# endif
80448 # define __safe
80449 # define __force
80450 # define __nocast
80451 # define __iomem
80452 +# define __force_iomem
80453 # define __chk_user_ptr(x) (void)0
80454 # define __chk_io_ptr(x) (void)0
80455 # define __builtin_warning(x, y...) (1)
80456 @@ -41,7 +61,9 @@ extern void __chk_io_ptr(const volatile void __iomem *);
80457 # define __release(x) (void)0
80458 # define __cond_lock(x,c) (c)
80459 # define __percpu
80460 +# define __force_percpu
80461 # define __rcu
80462 +# define __force_rcu
80463 #endif
80464
80465 /* Indirect macros required for expanded argument pasting, eg. __LINE__. */
80466 @@ -286,6 +308,34 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
80467 # define __attribute_const__ /* unimplemented */
80468 #endif
80469
80470 +#ifndef __randomize_layout
80471 +# define __randomize_layout
80472 +#endif
80473 +
80474 +#ifndef __no_randomize_layout
80475 +# define __no_randomize_layout
80476 +#endif
80477 +
80478 +#ifndef __no_const
80479 +# define __no_const
80480 +#endif
80481 +
80482 +#ifndef __do_const
80483 +# define __do_const
80484 +#endif
80485 +
80486 +#ifndef __size_overflow
80487 +# define __size_overflow(...)
80488 +#endif
80489 +
80490 +#ifndef __intentional_overflow
80491 +# define __intentional_overflow(...)
80492 +#endif
80493 +
80494 +#ifndef __latent_entropy
80495 +# define __latent_entropy
80496 +#endif
80497 +
80498 /*
80499 * Tell gcc if a function is cold. The compiler will assume any path
80500 * directly leading to the call is unlikely.
80501 @@ -295,6 +345,22 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
80502 #define __cold
80503 #endif
80504
80505 +#ifndef __alloc_size
80506 +#define __alloc_size(...)
80507 +#endif
80508 +
80509 +#ifndef __bos
80510 +#define __bos(ptr, arg)
80511 +#endif
80512 +
80513 +#ifndef __bos0
80514 +#define __bos0(ptr)
80515 +#endif
80516 +
80517 +#ifndef __bos1
80518 +#define __bos1(ptr)
80519 +#endif
80520 +
80521 /* Simple shorthand for a section definition */
80522 #ifndef __section
80523 # define __section(S) __attribute__ ((__section__(#S)))
80524 @@ -378,7 +444,8 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
80525 * use is to mediate communication between process-level code and irq/NMI
80526 * handlers, all running on the same CPU.
80527 */
80528 -#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
80529 +#define ACCESS_ONCE(x) (*(volatile const typeof(x) *)&(x))
80530 +#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x))
80531
80532 /* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */
80533 #ifdef CONFIG_KPROBES
80534 diff --git a/include/linux/completion.h b/include/linux/completion.h
80535 index 5d5aaae..0ea9b84 100644
80536 --- a/include/linux/completion.h
80537 +++ b/include/linux/completion.h
80538 @@ -90,16 +90,16 @@ static inline void reinit_completion(struct completion *x)
80539
80540 extern void wait_for_completion(struct completion *);
80541 extern void wait_for_completion_io(struct completion *);
80542 -extern int wait_for_completion_interruptible(struct completion *x);
80543 -extern int wait_for_completion_killable(struct completion *x);
80544 +extern int wait_for_completion_interruptible(struct completion *x) __intentional_overflow(-1);
80545 +extern int wait_for_completion_killable(struct completion *x) __intentional_overflow(-1);
80546 extern unsigned long wait_for_completion_timeout(struct completion *x,
80547 - unsigned long timeout);
80548 + unsigned long timeout) __intentional_overflow(-1);
80549 extern unsigned long wait_for_completion_io_timeout(struct completion *x,
80550 - unsigned long timeout);
80551 + unsigned long timeout) __intentional_overflow(-1);
80552 extern long wait_for_completion_interruptible_timeout(
80553 - struct completion *x, unsigned long timeout);
80554 + struct completion *x, unsigned long timeout) __intentional_overflow(-1);
80555 extern long wait_for_completion_killable_timeout(
80556 - struct completion *x, unsigned long timeout);
80557 + struct completion *x, unsigned long timeout) __intentional_overflow(-1);
80558 extern bool try_wait_for_completion(struct completion *x);
80559 extern bool completion_done(struct completion *x);
80560
80561 diff --git a/include/linux/configfs.h b/include/linux/configfs.h
80562 index 34025df..d94bbbc 100644
80563 --- a/include/linux/configfs.h
80564 +++ b/include/linux/configfs.h
80565 @@ -125,7 +125,7 @@ struct configfs_attribute {
80566 const char *ca_name;
80567 struct module *ca_owner;
80568 umode_t ca_mode;
80569 -};
80570 +} __do_const;
80571
80572 /*
80573 * Users often need to create attribute structures for their configurable
80574 diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
80575 index 503b085b..1638c9e 100644
80576 --- a/include/linux/cpufreq.h
80577 +++ b/include/linux/cpufreq.h
80578 @@ -206,6 +206,7 @@ struct global_attr {
80579 ssize_t (*store)(struct kobject *a, struct attribute *b,
80580 const char *c, size_t count);
80581 };
80582 +typedef struct global_attr __no_const global_attr_no_const;
80583
80584 #define define_one_global_ro(_name) \
80585 static struct global_attr _name = \
80586 @@ -273,7 +274,7 @@ struct cpufreq_driver {
80587 bool boost_supported;
80588 bool boost_enabled;
80589 int (*set_boost) (int state);
80590 -};
80591 +} __do_const;
80592
80593 /* flags */
80594 #define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if
80595 diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
80596 index 25e0df6..952dffd 100644
80597 --- a/include/linux/cpuidle.h
80598 +++ b/include/linux/cpuidle.h
80599 @@ -50,7 +50,8 @@ struct cpuidle_state {
80600 int index);
80601
80602 int (*enter_dead) (struct cpuidle_device *dev, int index);
80603 -};
80604 +} __do_const;
80605 +typedef struct cpuidle_state __no_const cpuidle_state_no_const;
80606
80607 /* Idle State Flags */
80608 #define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */
80609 @@ -209,7 +210,7 @@ struct cpuidle_governor {
80610 void (*reflect) (struct cpuidle_device *dev, int index);
80611
80612 struct module *owner;
80613 -};
80614 +} __do_const;
80615
80616 #ifdef CONFIG_CPU_IDLE
80617 extern int cpuidle_register_governor(struct cpuidle_governor *gov);
80618 diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
80619 index 0a9a6da..ea597ca 100644
80620 --- a/include/linux/cpumask.h
80621 +++ b/include/linux/cpumask.h
80622 @@ -118,17 +118,17 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp)
80623 }
80624
80625 /* Valid inputs for n are -1 and 0. */
80626 -static inline unsigned int cpumask_next(int n, const struct cpumask *srcp)
80627 +static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp)
80628 {
80629 return n+1;
80630 }
80631
80632 -static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
80633 +static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp)
80634 {
80635 return n+1;
80636 }
80637
80638 -static inline unsigned int cpumask_next_and(int n,
80639 +static inline unsigned int __intentional_overflow(-1) cpumask_next_and(int n,
80640 const struct cpumask *srcp,
80641 const struct cpumask *andp)
80642 {
80643 @@ -174,7 +174,7 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp)
80644 *
80645 * Returns >= nr_cpu_ids if no further cpus set.
80646 */
80647 -static inline unsigned int cpumask_next(int n, const struct cpumask *srcp)
80648 +static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp)
80649 {
80650 /* -1 is a legal arg here. */
80651 if (n != -1)
80652 @@ -189,7 +189,7 @@ static inline unsigned int cpumask_next(int n, const struct cpumask *srcp)
80653 *
80654 * Returns >= nr_cpu_ids if no further cpus unset.
80655 */
80656 -static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
80657 +static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp)
80658 {
80659 /* -1 is a legal arg here. */
80660 if (n != -1)
80661 @@ -197,7 +197,7 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
80662 return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1);
80663 }
80664
80665 -int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *);
80666 +int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *) __intentional_overflow(-1);
80667 int cpumask_any_but(const struct cpumask *mask, unsigned int cpu);
80668 int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp);
80669
80670 diff --git a/include/linux/cred.h b/include/linux/cred.h
80671 index 2fb2ca2..d6a3340 100644
80672 --- a/include/linux/cred.h
80673 +++ b/include/linux/cred.h
80674 @@ -35,7 +35,7 @@ struct group_info {
80675 int nblocks;
80676 kgid_t small_block[NGROUPS_SMALL];
80677 kgid_t *blocks[0];
80678 -};
80679 +} __randomize_layout;
80680
80681 /**
80682 * get_group_info - Get a reference to a group info structure
80683 @@ -137,7 +137,7 @@ struct cred {
80684 struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
80685 struct group_info *group_info; /* supplementary groups for euid/fsgid */
80686 struct rcu_head rcu; /* RCU deletion hook */
80687 -};
80688 +} __randomize_layout;
80689
80690 extern void __put_cred(struct cred *);
80691 extern void exit_creds(struct task_struct *);
80692 @@ -195,6 +195,9 @@ static inline void validate_creds_for_do_exit(struct task_struct *tsk)
80693 static inline void validate_process_creds(void)
80694 {
80695 }
80696 +static inline void validate_task_creds(struct task_struct *task)
80697 +{
80698 +}
80699 #endif
80700
80701 /**
80702 @@ -332,6 +335,7 @@ static inline void put_cred(const struct cred *_cred)
80703
80704 #define task_uid(task) (task_cred_xxx((task), uid))
80705 #define task_euid(task) (task_cred_xxx((task), euid))
80706 +#define task_securebits(task) (task_cred_xxx((task), securebits))
80707
80708 #define current_cred_xxx(xxx) \
80709 ({ \
80710 diff --git a/include/linux/crypto.h b/include/linux/crypto.h
80711 index dc34dfc..bdf9b5d 100644
80712 --- a/include/linux/crypto.h
80713 +++ b/include/linux/crypto.h
80714 @@ -386,7 +386,7 @@ struct cipher_tfm {
80715 const u8 *key, unsigned int keylen);
80716 void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
80717 void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
80718 -};
80719 +} __no_const;
80720
80721 struct hash_tfm {
80722 int (*init)(struct hash_desc *desc);
80723 @@ -407,13 +407,13 @@ struct compress_tfm {
80724 int (*cot_decompress)(struct crypto_tfm *tfm,
80725 const u8 *src, unsigned int slen,
80726 u8 *dst, unsigned int *dlen);
80727 -};
80728 +} __no_const;
80729
80730 struct rng_tfm {
80731 int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
80732 unsigned int dlen);
80733 int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
80734 -};
80735 +} __no_const;
80736
80737 #define crt_ablkcipher crt_u.ablkcipher
80738 #define crt_aead crt_u.aead
80739 diff --git a/include/linux/ctype.h b/include/linux/ctype.h
80740 index 653589e..4ef254a 100644
80741 --- a/include/linux/ctype.h
80742 +++ b/include/linux/ctype.h
80743 @@ -56,7 +56,7 @@ static inline unsigned char __toupper(unsigned char c)
80744 * Fast implementation of tolower() for internal usage. Do not use in your
80745 * code.
80746 */
80747 -static inline char _tolower(const char c)
80748 +static inline unsigned char _tolower(const unsigned char c)
80749 {
80750 return c | 0x20;
80751 }
80752 diff --git a/include/linux/dcache.h b/include/linux/dcache.h
80753 index 1c2f1b8..7b9f50c 100644
80754 --- a/include/linux/dcache.h
80755 +++ b/include/linux/dcache.h
80756 @@ -123,6 +123,9 @@ struct dentry {
80757 unsigned long d_time; /* used by d_revalidate */
80758 void *d_fsdata; /* fs-specific data */
80759
80760 +#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME
80761 + atomic_t chroot_refcnt; /* tracks use of directory in chroot */
80762 +#endif
80763 struct list_head d_lru; /* LRU list */
80764 struct list_head d_child; /* child of parent list */
80765 struct list_head d_subdirs; /* our children */
80766 @@ -133,7 +136,7 @@ struct dentry {
80767 struct hlist_node d_alias; /* inode alias list */
80768 struct rcu_head d_rcu;
80769 } d_u;
80770 -};
80771 +} __randomize_layout;
80772
80773 /*
80774 * dentry->d_lock spinlock nesting subclasses:
80775 diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
80776 index 7925bf0..d5143d2 100644
80777 --- a/include/linux/decompress/mm.h
80778 +++ b/include/linux/decompress/mm.h
80779 @@ -77,7 +77,7 @@ static void free(void *where)
80780 * warnings when not needed (indeed large_malloc / large_free are not
80781 * needed by inflate */
80782
80783 -#define malloc(a) kmalloc(a, GFP_KERNEL)
80784 +#define malloc(a) kmalloc((a), GFP_KERNEL)
80785 #define free(a) kfree(a)
80786
80787 #define large_malloc(a) vmalloc(a)
80788 diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
80789 index f1863dc..5c26074 100644
80790 --- a/include/linux/devfreq.h
80791 +++ b/include/linux/devfreq.h
80792 @@ -114,7 +114,7 @@ struct devfreq_governor {
80793 int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
80794 int (*event_handler)(struct devfreq *devfreq,
80795 unsigned int event, void *data);
80796 -};
80797 +} __do_const;
80798
80799 /**
80800 * struct devfreq - Device devfreq structure
80801 diff --git a/include/linux/device.h b/include/linux/device.h
80802 index ce1f2160..189bc33 100644
80803 --- a/include/linux/device.h
80804 +++ b/include/linux/device.h
80805 @@ -311,7 +311,7 @@ struct subsys_interface {
80806 struct list_head node;
80807 int (*add_dev)(struct device *dev, struct subsys_interface *sif);
80808 int (*remove_dev)(struct device *dev, struct subsys_interface *sif);
80809 -};
80810 +} __do_const;
80811
80812 int subsys_interface_register(struct subsys_interface *sif);
80813 void subsys_interface_unregister(struct subsys_interface *sif);
80814 @@ -507,7 +507,7 @@ struct device_type {
80815 void (*release)(struct device *dev);
80816
80817 const struct dev_pm_ops *pm;
80818 -};
80819 +} __do_const;
80820
80821 /* interface for exporting device attributes */
80822 struct device_attribute {
80823 @@ -517,11 +517,12 @@ struct device_attribute {
80824 ssize_t (*store)(struct device *dev, struct device_attribute *attr,
80825 const char *buf, size_t count);
80826 };
80827 +typedef struct device_attribute __no_const device_attribute_no_const;
80828
80829 struct dev_ext_attribute {
80830 struct device_attribute attr;
80831 void *var;
80832 -};
80833 +} __do_const;
80834
80835 ssize_t device_show_ulong(struct device *dev, struct device_attribute *attr,
80836 char *buf);
80837 diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
80838 index d5d3881..7ed54af 100644
80839 --- a/include/linux/dma-mapping.h
80840 +++ b/include/linux/dma-mapping.h
80841 @@ -60,7 +60,7 @@ struct dma_map_ops {
80842 u64 (*get_required_mask)(struct device *dev);
80843 #endif
80844 int is_phys;
80845 -};
80846 +} __do_const;
80847
80848 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
80849
80850 diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
80851 index 653a1fd..9133cd1 100644
80852 --- a/include/linux/dmaengine.h
80853 +++ b/include/linux/dmaengine.h
80854 @@ -1136,9 +1136,9 @@ struct dma_pinned_list {
80855 struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len);
80856 void dma_unpin_iovec_pages(struct dma_pinned_list* pinned_list);
80857
80858 -dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
80859 +dma_cookie_t __intentional_overflow(0) dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
80860 struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len);
80861 -dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
80862 +dma_cookie_t __intentional_overflow(0) dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
80863 struct dma_pinned_list *pinned_list, struct page *page,
80864 unsigned int offset, size_t len);
80865
80866 diff --git a/include/linux/efi.h b/include/linux/efi.h
80867 index 0949f9c..04cb9a5 100644
80868 --- a/include/linux/efi.h
80869 +++ b/include/linux/efi.h
80870 @@ -1050,6 +1050,7 @@ struct efivar_operations {
80871 efi_set_variable_nonblocking_t *set_variable_nonblocking;
80872 efi_query_variable_store_t *query_variable_store;
80873 };
80874 +typedef struct efivar_operations __no_const efivar_operations_no_const;
80875
80876 struct efivars {
80877 /*
80878 diff --git a/include/linux/elf.h b/include/linux/elf.h
80879 index 67a5fa7..b817372 100644
80880 --- a/include/linux/elf.h
80881 +++ b/include/linux/elf.h
80882 @@ -24,6 +24,7 @@ extern Elf32_Dyn _DYNAMIC [];
80883 #define elf_note elf32_note
80884 #define elf_addr_t Elf32_Off
80885 #define Elf_Half Elf32_Half
80886 +#define elf_dyn Elf32_Dyn
80887
80888 #else
80889
80890 @@ -34,6 +35,7 @@ extern Elf64_Dyn _DYNAMIC [];
80891 #define elf_note elf64_note
80892 #define elf_addr_t Elf64_Off
80893 #define Elf_Half Elf64_Half
80894 +#define elf_dyn Elf64_Dyn
80895
80896 #endif
80897
80898 diff --git a/include/linux/err.h b/include/linux/err.h
80899 index a729120..6ede2c9 100644
80900 --- a/include/linux/err.h
80901 +++ b/include/linux/err.h
80902 @@ -20,12 +20,12 @@
80903
80904 #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
80905
80906 -static inline void * __must_check ERR_PTR(long error)
80907 +static inline void * __must_check __intentional_overflow(-1) ERR_PTR(long error)
80908 {
80909 return (void *) error;
80910 }
80911
80912 -static inline long __must_check PTR_ERR(__force const void *ptr)
80913 +static inline long __must_check __intentional_overflow(-1) PTR_ERR(__force const void *ptr)
80914 {
80915 return (long) ptr;
80916 }
80917 diff --git a/include/linux/extcon.h b/include/linux/extcon.h
80918 index 36f49c4..a2a1f4c 100644
80919 --- a/include/linux/extcon.h
80920 +++ b/include/linux/extcon.h
80921 @@ -135,7 +135,7 @@ struct extcon_dev {
80922 /* /sys/class/extcon/.../mutually_exclusive/... */
80923 struct attribute_group attr_g_muex;
80924 struct attribute **attrs_muex;
80925 - struct device_attribute *d_attrs_muex;
80926 + device_attribute_no_const *d_attrs_muex;
80927 };
80928
80929 /**
80930 diff --git a/include/linux/fb.h b/include/linux/fb.h
80931 index 09bb7a1..d98870a 100644
80932 --- a/include/linux/fb.h
80933 +++ b/include/linux/fb.h
80934 @@ -305,7 +305,7 @@ struct fb_ops {
80935 /* called at KDB enter and leave time to prepare the console */
80936 int (*fb_debug_enter)(struct fb_info *info);
80937 int (*fb_debug_leave)(struct fb_info *info);
80938 -};
80939 +} __do_const;
80940
80941 #ifdef CONFIG_FB_TILEBLITTING
80942 #define FB_TILE_CURSOR_NONE 0
80943 diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
80944 index 230f87b..1fd0485 100644
80945 --- a/include/linux/fdtable.h
80946 +++ b/include/linux/fdtable.h
80947 @@ -100,7 +100,7 @@ struct files_struct *get_files_struct(struct task_struct *);
80948 void put_files_struct(struct files_struct *fs);
80949 void reset_files_struct(struct files_struct *);
80950 int unshare_files(struct files_struct **);
80951 -struct files_struct *dup_fd(struct files_struct *, int *);
80952 +struct files_struct *dup_fd(struct files_struct *, int *) __latent_entropy;
80953 void do_close_on_exec(struct files_struct *);
80954 int iterate_fd(struct files_struct *, unsigned,
80955 int (*)(const void *, struct file *, unsigned),
80956 diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
80957 index 8293262..2b3b8bd 100644
80958 --- a/include/linux/frontswap.h
80959 +++ b/include/linux/frontswap.h
80960 @@ -11,7 +11,7 @@ struct frontswap_ops {
80961 int (*load)(unsigned, pgoff_t, struct page *);
80962 void (*invalidate_page)(unsigned, pgoff_t);
80963 void (*invalidate_area)(unsigned);
80964 -};
80965 +} __no_const;
80966
80967 extern bool frontswap_enabled;
80968 extern struct frontswap_ops *
80969 diff --git a/include/linux/fs.h b/include/linux/fs.h
80970 index 9ab779e..0c636f2 100644
80971 --- a/include/linux/fs.h
80972 +++ b/include/linux/fs.h
80973 @@ -412,7 +412,7 @@ struct address_space {
80974 spinlock_t private_lock; /* for use by the address_space */
80975 struct list_head private_list; /* ditto */
80976 void *private_data; /* ditto */
80977 -} __attribute__((aligned(sizeof(long))));
80978 +} __attribute__((aligned(sizeof(long)))) __randomize_layout;
80979 /*
80980 * On most architectures that alignment is already the case; but
80981 * must be enforced here for CRIS, to let the least significant bit
80982 @@ -455,7 +455,7 @@ struct block_device {
80983 int bd_fsfreeze_count;
80984 /* Mutex for freeze */
80985 struct mutex bd_fsfreeze_mutex;
80986 -};
80987 +} __randomize_layout;
80988
80989 /*
80990 * Radix-tree tags, for tagging dirty and writeback pages within the pagecache
80991 @@ -624,7 +624,7 @@ struct inode {
80992 #endif
80993
80994 void *i_private; /* fs or device private pointer */
80995 -};
80996 +} __randomize_layout;
80997
80998 static inline int inode_unhashed(struct inode *inode)
80999 {
81000 @@ -820,7 +820,7 @@ struct file {
81001 struct list_head f_tfile_llink;
81002 #endif /* #ifdef CONFIG_EPOLL */
81003 struct address_space *f_mapping;
81004 -} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
81005 +} __attribute__((aligned(4))) __randomize_layout; /* lest something weird decides that 2 is OK */
81006
81007 struct file_handle {
81008 __u32 handle_bytes;
81009 @@ -945,7 +945,7 @@ struct file_lock {
81010 int state; /* state of grant or error if -ve */
81011 } afs;
81012 } fl_u;
81013 -};
81014 +} __randomize_layout;
81015
81016 /* The following constant reflects the upper bound of the file/locking space */
81017 #ifndef OFFSET_MAX
81018 @@ -1287,7 +1287,7 @@ struct super_block {
81019 * Indicates how deep in a filesystem stack this SB is
81020 */
81021 int s_stack_depth;
81022 -};
81023 +} __randomize_layout;
81024
81025 extern struct timespec current_fs_time(struct super_block *sb);
81026
81027 @@ -1514,7 +1514,8 @@ struct file_operations {
81028 long (*fallocate)(struct file *file, int mode, loff_t offset,
81029 loff_t len);
81030 int (*show_fdinfo)(struct seq_file *m, struct file *f);
81031 -};
81032 +} __do_const __randomize_layout;
81033 +typedef struct file_operations __no_const file_operations_no_const;
81034
81035 struct inode_operations {
81036 struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
81037 @@ -2823,4 +2824,14 @@ static inline bool dir_relax(struct inode *inode)
81038 return !IS_DEADDIR(inode);
81039 }
81040
81041 +static inline bool is_sidechannel_device(const struct inode *inode)
81042 +{
81043 +#ifdef CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL
81044 + umode_t mode = inode->i_mode;
81045 + return ((S_ISCHR(mode) || S_ISBLK(mode)) && (mode & (S_IROTH | S_IWOTH)));
81046 +#else
81047 + return false;
81048 +#endif
81049 +}
81050 +
81051 #endif /* _LINUX_FS_H */
81052 diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
81053 index 0efc3e6..fd23610 100644
81054 --- a/include/linux/fs_struct.h
81055 +++ b/include/linux/fs_struct.h
81056 @@ -6,13 +6,13 @@
81057 #include <linux/seqlock.h>
81058
81059 struct fs_struct {
81060 - int users;
81061 + atomic_t users;
81062 spinlock_t lock;
81063 seqcount_t seq;
81064 int umask;
81065 int in_exec;
81066 struct path root, pwd;
81067 -};
81068 +} __randomize_layout;
81069
81070 extern struct kmem_cache *fs_cachep;
81071
81072 diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
81073 index 7714849..a4a5c7a 100644
81074 --- a/include/linux/fscache-cache.h
81075 +++ b/include/linux/fscache-cache.h
81076 @@ -113,7 +113,7 @@ struct fscache_operation {
81077 fscache_operation_release_t release;
81078 };
81079
81080 -extern atomic_t fscache_op_debug_id;
81081 +extern atomic_unchecked_t fscache_op_debug_id;
81082 extern void fscache_op_work_func(struct work_struct *work);
81083
81084 extern void fscache_enqueue_operation(struct fscache_operation *);
81085 @@ -135,7 +135,7 @@ static inline void fscache_operation_init(struct fscache_operation *op,
81086 INIT_WORK(&op->work, fscache_op_work_func);
81087 atomic_set(&op->usage, 1);
81088 op->state = FSCACHE_OP_ST_INITIALISED;
81089 - op->debug_id = atomic_inc_return(&fscache_op_debug_id);
81090 + op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id);
81091 op->processor = processor;
81092 op->release = release;
81093 INIT_LIST_HEAD(&op->pend_link);
81094 diff --git a/include/linux/fscache.h b/include/linux/fscache.h
81095 index 115bb81..e7b812b 100644
81096 --- a/include/linux/fscache.h
81097 +++ b/include/linux/fscache.h
81098 @@ -152,7 +152,7 @@ struct fscache_cookie_def {
81099 * - this is mandatory for any object that may have data
81100 */
81101 void (*now_uncached)(void *cookie_netfs_data);
81102 -};
81103 +} __do_const;
81104
81105 /*
81106 * fscache cached network filesystem type
81107 diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
81108 index 1c804b0..1432c2b 100644
81109 --- a/include/linux/fsnotify.h
81110 +++ b/include/linux/fsnotify.h
81111 @@ -195,6 +195,9 @@ static inline void fsnotify_access(struct file *file)
81112 struct inode *inode = file_inode(file);
81113 __u32 mask = FS_ACCESS;
81114
81115 + if (is_sidechannel_device(inode))
81116 + return;
81117 +
81118 if (S_ISDIR(inode->i_mode))
81119 mask |= FS_ISDIR;
81120
81121 @@ -213,6 +216,9 @@ static inline void fsnotify_modify(struct file *file)
81122 struct inode *inode = file_inode(file);
81123 __u32 mask = FS_MODIFY;
81124
81125 + if (is_sidechannel_device(inode))
81126 + return;
81127 +
81128 if (S_ISDIR(inode->i_mode))
81129 mask |= FS_ISDIR;
81130
81131 @@ -315,7 +321,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
81132 */
81133 static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name)
81134 {
81135 - return kstrdup(name, GFP_KERNEL);
81136 + return (const unsigned char *)kstrdup((const char *)name, GFP_KERNEL);
81137 }
81138
81139 /*
81140 diff --git a/include/linux/genhd.h b/include/linux/genhd.h
81141 index ec274e0..e678159 100644
81142 --- a/include/linux/genhd.h
81143 +++ b/include/linux/genhd.h
81144 @@ -194,7 +194,7 @@ struct gendisk {
81145 struct kobject *slave_dir;
81146
81147 struct timer_rand_state *random;
81148 - atomic_t sync_io; /* RAID */
81149 + atomic_unchecked_t sync_io; /* RAID */
81150 struct disk_events *ev;
81151 #ifdef CONFIG_BLK_DEV_INTEGRITY
81152 struct blk_integrity *integrity;
81153 @@ -435,7 +435,7 @@ extern void disk_flush_events(struct gendisk *disk, unsigned int mask);
81154 extern unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask);
81155
81156 /* drivers/char/random.c */
81157 -extern void add_disk_randomness(struct gendisk *disk);
81158 +extern void add_disk_randomness(struct gendisk *disk) __latent_entropy;
81159 extern void rand_initialize_disk(struct gendisk *disk);
81160
81161 static inline sector_t get_start_sect(struct block_device *bdev)
81162 diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h
81163 index 667c311..abac2a7 100644
81164 --- a/include/linux/genl_magic_func.h
81165 +++ b/include/linux/genl_magic_func.h
81166 @@ -246,7 +246,7 @@ const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd)
81167 },
81168
81169 #define ZZZ_genl_ops CONCAT_(GENL_MAGIC_FAMILY, _genl_ops)
81170 -static struct genl_ops ZZZ_genl_ops[] __read_mostly = {
81171 +static struct genl_ops ZZZ_genl_ops[] = {
81172 #include GENL_MAGIC_INCLUDE_FILE
81173 };
81174
81175 diff --git a/include/linux/gfp.h b/include/linux/gfp.h
81176 index 41b30fd..a3718cf 100644
81177 --- a/include/linux/gfp.h
81178 +++ b/include/linux/gfp.h
81179 @@ -34,6 +34,13 @@ struct vm_area_struct;
81180 #define ___GFP_NO_KSWAPD 0x400000u
81181 #define ___GFP_OTHER_NODE 0x800000u
81182 #define ___GFP_WRITE 0x1000000u
81183 +
81184 +#ifdef CONFIG_PAX_USERCOPY_SLABS
81185 +#define ___GFP_USERCOPY 0x2000000u
81186 +#else
81187 +#define ___GFP_USERCOPY 0
81188 +#endif
81189 +
81190 /* If the above are modified, __GFP_BITS_SHIFT may need updating */
81191
81192 /*
81193 @@ -90,6 +97,7 @@ struct vm_area_struct;
81194 #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD)
81195 #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */
81196 #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */
81197 +#define __GFP_USERCOPY ((__force gfp_t)___GFP_USERCOPY)/* Allocator intends to copy page to/from userland */
81198
81199 /*
81200 * This may seem redundant, but it's a way of annotating false positives vs.
81201 @@ -97,7 +105,7 @@ struct vm_area_struct;
81202 */
81203 #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
81204
81205 -#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */
81206 +#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */
81207 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
81208
81209 /* This equals 0, but use constants in case they ever change */
81210 @@ -155,6 +163,8 @@ struct vm_area_struct;
81211 /* 4GB DMA on some platforms */
81212 #define GFP_DMA32 __GFP_DMA32
81213
81214 +#define GFP_USERCOPY __GFP_USERCOPY
81215 +
81216 /* Convert GFP flags to their corresponding migrate type */
81217 static inline int gfpflags_to_migratetype(const gfp_t gfp_flags)
81218 {
81219 diff --git a/include/linux/gracl.h b/include/linux/gracl.h
81220 new file mode 100644
81221 index 0000000..edb2cb6
81222 --- /dev/null
81223 +++ b/include/linux/gracl.h
81224 @@ -0,0 +1,340 @@
81225 +#ifndef GR_ACL_H
81226 +#define GR_ACL_H
81227 +
81228 +#include <linux/grdefs.h>
81229 +#include <linux/resource.h>
81230 +#include <linux/capability.h>
81231 +#include <linux/dcache.h>
81232 +#include <asm/resource.h>
81233 +
81234 +/* Major status information */
81235 +
81236 +#define GR_VERSION "grsecurity 3.0"
81237 +#define GRSECURITY_VERSION 0x3000
81238 +
81239 +enum {
81240 + GR_SHUTDOWN = 0,
81241 + GR_ENABLE = 1,
81242 + GR_SPROLE = 2,
81243 + GR_OLDRELOAD = 3,
81244 + GR_SEGVMOD = 4,
81245 + GR_STATUS = 5,
81246 + GR_UNSPROLE = 6,
81247 + GR_PASSSET = 7,
81248 + GR_SPROLEPAM = 8,
81249 + GR_RELOAD = 9,
81250 +};
81251 +
81252 +/* Password setup definitions
81253 + * kernel/grhash.c */
81254 +enum {
81255 + GR_PW_LEN = 128,
81256 + GR_SALT_LEN = 16,
81257 + GR_SHA_LEN = 32,
81258 +};
81259 +
81260 +enum {
81261 + GR_SPROLE_LEN = 64,
81262 +};
81263 +
81264 +enum {
81265 + GR_NO_GLOB = 0,
81266 + GR_REG_GLOB,
81267 + GR_CREATE_GLOB
81268 +};
81269 +
81270 +#define GR_NLIMITS 32
81271 +
81272 +/* Begin Data Structures */
81273 +
81274 +struct sprole_pw {
81275 + unsigned char *rolename;
81276 + unsigned char salt[GR_SALT_LEN];
81277 + unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */
81278 +};
81279 +
81280 +struct name_entry {
81281 + __u32 key;
81282 + ino_t inode;
81283 + dev_t device;
81284 + char *name;
81285 + __u16 len;
81286 + __u8 deleted;
81287 + struct name_entry *prev;
81288 + struct name_entry *next;
81289 +};
81290 +
81291 +struct inodev_entry {
81292 + struct name_entry *nentry;
81293 + struct inodev_entry *prev;
81294 + struct inodev_entry *next;
81295 +};
81296 +
81297 +struct acl_role_db {
81298 + struct acl_role_label **r_hash;
81299 + __u32 r_size;
81300 +};
81301 +
81302 +struct inodev_db {
81303 + struct inodev_entry **i_hash;
81304 + __u32 i_size;
81305 +};
81306 +
81307 +struct name_db {
81308 + struct name_entry **n_hash;
81309 + __u32 n_size;
81310 +};
81311 +
81312 +struct crash_uid {
81313 + uid_t uid;
81314 + unsigned long expires;
81315 +};
81316 +
81317 +struct gr_hash_struct {
81318 + void **table;
81319 + void **nametable;
81320 + void *first;
81321 + __u32 table_size;
81322 + __u32 used_size;
81323 + int type;
81324 +};
81325 +
81326 +/* Userspace Grsecurity ACL data structures */
81327 +
81328 +struct acl_subject_label {
81329 + char *filename;
81330 + ino_t inode;
81331 + dev_t device;
81332 + __u32 mode;
81333 + kernel_cap_t cap_mask;
81334 + kernel_cap_t cap_lower;
81335 + kernel_cap_t cap_invert_audit;
81336 +
81337 + struct rlimit res[GR_NLIMITS];
81338 + __u32 resmask;
81339 +
81340 + __u8 user_trans_type;
81341 + __u8 group_trans_type;
81342 + uid_t *user_transitions;
81343 + gid_t *group_transitions;
81344 + __u16 user_trans_num;
81345 + __u16 group_trans_num;
81346 +
81347 + __u32 sock_families[2];
81348 + __u32 ip_proto[8];
81349 + __u32 ip_type;
81350 + struct acl_ip_label **ips;
81351 + __u32 ip_num;
81352 + __u32 inaddr_any_override;
81353 +
81354 + __u32 crashes;
81355 + unsigned long expires;
81356 +
81357 + struct acl_subject_label *parent_subject;
81358 + struct gr_hash_struct *hash;
81359 + struct acl_subject_label *prev;
81360 + struct acl_subject_label *next;
81361 +
81362 + struct acl_object_label **obj_hash;
81363 + __u32 obj_hash_size;
81364 + __u16 pax_flags;
81365 +};
81366 +
81367 +struct role_allowed_ip {
81368 + __u32 addr;
81369 + __u32 netmask;
81370 +
81371 + struct role_allowed_ip *prev;
81372 + struct role_allowed_ip *next;
81373 +};
81374 +
81375 +struct role_transition {
81376 + char *rolename;
81377 +
81378 + struct role_transition *prev;
81379 + struct role_transition *next;
81380 +};
81381 +
81382 +struct acl_role_label {
81383 + char *rolename;
81384 + uid_t uidgid;
81385 + __u16 roletype;
81386 +
81387 + __u16 auth_attempts;
81388 + unsigned long expires;
81389 +
81390 + struct acl_subject_label *root_label;
81391 + struct gr_hash_struct *hash;
81392 +
81393 + struct acl_role_label *prev;
81394 + struct acl_role_label *next;
81395 +
81396 + struct role_transition *transitions;
81397 + struct role_allowed_ip *allowed_ips;
81398 + uid_t *domain_children;
81399 + __u16 domain_child_num;
81400 +
81401 + umode_t umask;
81402 +
81403 + struct acl_subject_label **subj_hash;
81404 + __u32 subj_hash_size;
81405 +};
81406 +
81407 +struct user_acl_role_db {
81408 + struct acl_role_label **r_table;
81409 + __u32 num_pointers; /* Number of allocations to track */
81410 + __u32 num_roles; /* Number of roles */
81411 + __u32 num_domain_children; /* Number of domain children */
81412 + __u32 num_subjects; /* Number of subjects */
81413 + __u32 num_objects; /* Number of objects */
81414 +};
81415 +
81416 +struct acl_object_label {
81417 + char *filename;
81418 + ino_t inode;
81419 + dev_t device;
81420 + __u32 mode;
81421 +
81422 + struct acl_subject_label *nested;
81423 + struct acl_object_label *globbed;
81424 +
81425 + /* next two structures not used */
81426 +
81427 + struct acl_object_label *prev;
81428 + struct acl_object_label *next;
81429 +};
81430 +
81431 +struct acl_ip_label {
81432 + char *iface;
81433 + __u32 addr;
81434 + __u32 netmask;
81435 + __u16 low, high;
81436 + __u8 mode;
81437 + __u32 type;
81438 + __u32 proto[8];
81439 +
81440 + /* next two structures not used */
81441 +
81442 + struct acl_ip_label *prev;
81443 + struct acl_ip_label *next;
81444 +};
81445 +
81446 +struct gr_arg {
81447 + struct user_acl_role_db role_db;
81448 + unsigned char pw[GR_PW_LEN];
81449 + unsigned char salt[GR_SALT_LEN];
81450 + unsigned char sum[GR_SHA_LEN];
81451 + unsigned char sp_role[GR_SPROLE_LEN];
81452 + struct sprole_pw *sprole_pws;
81453 + dev_t segv_device;
81454 + ino_t segv_inode;
81455 + uid_t segv_uid;
81456 + __u16 num_sprole_pws;
81457 + __u16 mode;
81458 +};
81459 +
81460 +struct gr_arg_wrapper {
81461 + struct gr_arg *arg;
81462 + __u32 version;
81463 + __u32 size;
81464 +};
81465 +
81466 +struct subject_map {
81467 + struct acl_subject_label *user;
81468 + struct acl_subject_label *kernel;
81469 + struct subject_map *prev;
81470 + struct subject_map *next;
81471 +};
81472 +
81473 +struct acl_subj_map_db {
81474 + struct subject_map **s_hash;
81475 + __u32 s_size;
81476 +};
81477 +
81478 +struct gr_policy_state {
81479 + struct sprole_pw **acl_special_roles;
81480 + __u16 num_sprole_pws;
81481 + struct acl_role_label *kernel_role;
81482 + struct acl_role_label *role_list;
81483 + struct acl_role_label *default_role;
81484 + struct acl_role_db acl_role_set;
81485 + struct acl_subj_map_db subj_map_set;
81486 + struct name_db name_set;
81487 + struct inodev_db inodev_set;
81488 +};
81489 +
81490 +struct gr_alloc_state {
81491 + unsigned long alloc_stack_next;
81492 + unsigned long alloc_stack_size;
81493 + void **alloc_stack;
81494 +};
81495 +
81496 +struct gr_reload_state {
81497 + struct gr_policy_state oldpolicy;
81498 + struct gr_alloc_state oldalloc;
81499 + struct gr_policy_state newpolicy;
81500 + struct gr_alloc_state newalloc;
81501 + struct gr_policy_state *oldpolicy_ptr;
81502 + struct gr_alloc_state *oldalloc_ptr;
81503 + unsigned char oldmode;
81504 +};
81505 +
81506 +/* End Data Structures Section */
81507 +
81508 +/* Hash functions generated by empirical testing by Brad Spengler
81509 + Makes good use of the low bits of the inode. Generally 0-1 times
81510 + in loop for successful match. 0-3 for unsuccessful match.
81511 + Shift/add algorithm with modulus of table size and an XOR*/
81512 +
81513 +static __inline__ unsigned int
81514 +gr_rhash(const uid_t uid, const __u16 type, const unsigned int sz)
81515 +{
81516 + return ((((uid + type) << (16 + type)) ^ uid) % sz);
81517 +}
81518 +
81519 + static __inline__ unsigned int
81520 +gr_shash(const struct acl_subject_label *userp, const unsigned int sz)
81521 +{
81522 + return ((const unsigned long)userp % sz);
81523 +}
81524 +
81525 +static __inline__ unsigned int
81526 +gr_fhash(const ino_t ino, const dev_t dev, const unsigned int sz)
81527 +{
81528 + return (((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9))) % sz);
81529 +}
81530 +
81531 +static __inline__ unsigned int
81532 +gr_nhash(const char *name, const __u16 len, const unsigned int sz)
81533 +{
81534 + return full_name_hash((const unsigned char *)name, len) % sz;
81535 +}
81536 +
81537 +#define FOR_EACH_SUBJECT_START(role,subj,iter) \
81538 + subj = NULL; \
81539 + iter = 0; \
81540 + while (iter < role->subj_hash_size) { \
81541 + if (subj == NULL) \
81542 + subj = role->subj_hash[iter]; \
81543 + if (subj == NULL) { \
81544 + iter++; \
81545 + continue; \
81546 + }
81547 +
81548 +#define FOR_EACH_SUBJECT_END(subj,iter) \
81549 + subj = subj->next; \
81550 + if (subj == NULL) \
81551 + iter++; \
81552 + }
81553 +
81554 +
81555 +#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \
81556 + subj = role->hash->first; \
81557 + while (subj != NULL) {
81558 +
81559 +#define FOR_EACH_NESTED_SUBJECT_END(subj) \
81560 + subj = subj->next; \
81561 + }
81562 +
81563 +#endif
81564 +
81565 diff --git a/include/linux/gracl_compat.h b/include/linux/gracl_compat.h
81566 new file mode 100644
81567 index 0000000..33ebd1f
81568 --- /dev/null
81569 +++ b/include/linux/gracl_compat.h
81570 @@ -0,0 +1,156 @@
81571 +#ifndef GR_ACL_COMPAT_H
81572 +#define GR_ACL_COMPAT_H
81573 +
81574 +#include <linux/resource.h>
81575 +#include <asm/resource.h>
81576 +
81577 +struct sprole_pw_compat {
81578 + compat_uptr_t rolename;
81579 + unsigned char salt[GR_SALT_LEN];
81580 + unsigned char sum[GR_SHA_LEN];
81581 +};
81582 +
81583 +struct gr_hash_struct_compat {
81584 + compat_uptr_t table;
81585 + compat_uptr_t nametable;
81586 + compat_uptr_t first;
81587 + __u32 table_size;
81588 + __u32 used_size;
81589 + int type;
81590 +};
81591 +
81592 +struct acl_subject_label_compat {
81593 + compat_uptr_t filename;
81594 + compat_ino_t inode;
81595 + __u32 device;
81596 + __u32 mode;
81597 + kernel_cap_t cap_mask;
81598 + kernel_cap_t cap_lower;
81599 + kernel_cap_t cap_invert_audit;
81600 +
81601 + struct compat_rlimit res[GR_NLIMITS];
81602 + __u32 resmask;
81603 +
81604 + __u8 user_trans_type;
81605 + __u8 group_trans_type;
81606 + compat_uptr_t user_transitions;
81607 + compat_uptr_t group_transitions;
81608 + __u16 user_trans_num;
81609 + __u16 group_trans_num;
81610 +
81611 + __u32 sock_families[2];
81612 + __u32 ip_proto[8];
81613 + __u32 ip_type;
81614 + compat_uptr_t ips;
81615 + __u32 ip_num;
81616 + __u32 inaddr_any_override;
81617 +
81618 + __u32 crashes;
81619 + compat_ulong_t expires;
81620 +
81621 + compat_uptr_t parent_subject;
81622 + compat_uptr_t hash;
81623 + compat_uptr_t prev;
81624 + compat_uptr_t next;
81625 +
81626 + compat_uptr_t obj_hash;
81627 + __u32 obj_hash_size;
81628 + __u16 pax_flags;
81629 +};
81630 +
81631 +struct role_allowed_ip_compat {
81632 + __u32 addr;
81633 + __u32 netmask;
81634 +
81635 + compat_uptr_t prev;
81636 + compat_uptr_t next;
81637 +};
81638 +
81639 +struct role_transition_compat {
81640 + compat_uptr_t rolename;
81641 +
81642 + compat_uptr_t prev;
81643 + compat_uptr_t next;
81644 +};
81645 +
81646 +struct acl_role_label_compat {
81647 + compat_uptr_t rolename;
81648 + uid_t uidgid;
81649 + __u16 roletype;
81650 +
81651 + __u16 auth_attempts;
81652 + compat_ulong_t expires;
81653 +
81654 + compat_uptr_t root_label;
81655 + compat_uptr_t hash;
81656 +
81657 + compat_uptr_t prev;
81658 + compat_uptr_t next;
81659 +
81660 + compat_uptr_t transitions;
81661 + compat_uptr_t allowed_ips;
81662 + compat_uptr_t domain_children;
81663 + __u16 domain_child_num;
81664 +
81665 + umode_t umask;
81666 +
81667 + compat_uptr_t subj_hash;
81668 + __u32 subj_hash_size;
81669 +};
81670 +
81671 +struct user_acl_role_db_compat {
81672 + compat_uptr_t r_table;
81673 + __u32 num_pointers;
81674 + __u32 num_roles;
81675 + __u32 num_domain_children;
81676 + __u32 num_subjects;
81677 + __u32 num_objects;
81678 +};
81679 +
81680 +struct acl_object_label_compat {
81681 + compat_uptr_t filename;
81682 + compat_ino_t inode;
81683 + __u32 device;
81684 + __u32 mode;
81685 +
81686 + compat_uptr_t nested;
81687 + compat_uptr_t globbed;
81688 +
81689 + compat_uptr_t prev;
81690 + compat_uptr_t next;
81691 +};
81692 +
81693 +struct acl_ip_label_compat {
81694 + compat_uptr_t iface;
81695 + __u32 addr;
81696 + __u32 netmask;
81697 + __u16 low, high;
81698 + __u8 mode;
81699 + __u32 type;
81700 + __u32 proto[8];
81701 +
81702 + compat_uptr_t prev;
81703 + compat_uptr_t next;
81704 +};
81705 +
81706 +struct gr_arg_compat {
81707 + struct user_acl_role_db_compat role_db;
81708 + unsigned char pw[GR_PW_LEN];
81709 + unsigned char salt[GR_SALT_LEN];
81710 + unsigned char sum[GR_SHA_LEN];
81711 + unsigned char sp_role[GR_SPROLE_LEN];
81712 + compat_uptr_t sprole_pws;
81713 + __u32 segv_device;
81714 + compat_ino_t segv_inode;
81715 + uid_t segv_uid;
81716 + __u16 num_sprole_pws;
81717 + __u16 mode;
81718 +};
81719 +
81720 +struct gr_arg_wrapper_compat {
81721 + compat_uptr_t arg;
81722 + __u32 version;
81723 + __u32 size;
81724 +};
81725 +
81726 +#endif
81727 diff --git a/include/linux/gralloc.h b/include/linux/gralloc.h
81728 new file mode 100644
81729 index 0000000..323ecf2
81730 --- /dev/null
81731 +++ b/include/linux/gralloc.h
81732 @@ -0,0 +1,9 @@
81733 +#ifndef __GRALLOC_H
81734 +#define __GRALLOC_H
81735 +
81736 +void acl_free_all(void);
81737 +int acl_alloc_stack_init(unsigned long size);
81738 +void *acl_alloc(unsigned long len);
81739 +void *acl_alloc_num(unsigned long num, unsigned long len);
81740 +
81741 +#endif
81742 diff --git a/include/linux/grdefs.h b/include/linux/grdefs.h
81743 new file mode 100644
81744 index 0000000..be66033
81745 --- /dev/null
81746 +++ b/include/linux/grdefs.h
81747 @@ -0,0 +1,140 @@
81748 +#ifndef GRDEFS_H
81749 +#define GRDEFS_H
81750 +
81751 +/* Begin grsecurity status declarations */
81752 +
81753 +enum {
81754 + GR_READY = 0x01,
81755 + GR_STATUS_INIT = 0x00 // disabled state
81756 +};
81757 +
81758 +/* Begin ACL declarations */
81759 +
81760 +/* Role flags */
81761 +
81762 +enum {
81763 + GR_ROLE_USER = 0x0001,
81764 + GR_ROLE_GROUP = 0x0002,
81765 + GR_ROLE_DEFAULT = 0x0004,
81766 + GR_ROLE_SPECIAL = 0x0008,
81767 + GR_ROLE_AUTH = 0x0010,
81768 + GR_ROLE_NOPW = 0x0020,
81769 + GR_ROLE_GOD = 0x0040,
81770 + GR_ROLE_LEARN = 0x0080,
81771 + GR_ROLE_TPE = 0x0100,
81772 + GR_ROLE_DOMAIN = 0x0200,
81773 + GR_ROLE_PAM = 0x0400,
81774 + GR_ROLE_PERSIST = 0x0800
81775 +};
81776 +
81777 +/* ACL Subject and Object mode flags */
81778 +enum {
81779 + GR_DELETED = 0x80000000
81780 +};
81781 +
81782 +/* ACL Object-only mode flags */
81783 +enum {
81784 + GR_READ = 0x00000001,
81785 + GR_APPEND = 0x00000002,
81786 + GR_WRITE = 0x00000004,
81787 + GR_EXEC = 0x00000008,
81788 + GR_FIND = 0x00000010,
81789 + GR_INHERIT = 0x00000020,
81790 + GR_SETID = 0x00000040,
81791 + GR_CREATE = 0x00000080,
81792 + GR_DELETE = 0x00000100,
81793 + GR_LINK = 0x00000200,
81794 + GR_AUDIT_READ = 0x00000400,
81795 + GR_AUDIT_APPEND = 0x00000800,
81796 + GR_AUDIT_WRITE = 0x00001000,
81797 + GR_AUDIT_EXEC = 0x00002000,
81798 + GR_AUDIT_FIND = 0x00004000,
81799 + GR_AUDIT_INHERIT= 0x00008000,
81800 + GR_AUDIT_SETID = 0x00010000,
81801 + GR_AUDIT_CREATE = 0x00020000,
81802 + GR_AUDIT_DELETE = 0x00040000,
81803 + GR_AUDIT_LINK = 0x00080000,
81804 + GR_PTRACERD = 0x00100000,
81805 + GR_NOPTRACE = 0x00200000,
81806 + GR_SUPPRESS = 0x00400000,
81807 + GR_NOLEARN = 0x00800000,
81808 + GR_INIT_TRANSFER= 0x01000000
81809 +};
81810 +
81811 +#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \
81812 + GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \
81813 + GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK)
81814 +
81815 +/* ACL subject-only mode flags */
81816 +enum {
81817 + GR_KILL = 0x00000001,
81818 + GR_VIEW = 0x00000002,
81819 + GR_PROTECTED = 0x00000004,
81820 + GR_LEARN = 0x00000008,
81821 + GR_OVERRIDE = 0x00000010,
81822 + /* just a placeholder, this mode is only used in userspace */
81823 + GR_DUMMY = 0x00000020,
81824 + GR_PROTSHM = 0x00000040,
81825 + GR_KILLPROC = 0x00000080,
81826 + GR_KILLIPPROC = 0x00000100,
81827 + /* just a placeholder, this mode is only used in userspace */
81828 + GR_NOTROJAN = 0x00000200,
81829 + GR_PROTPROCFD = 0x00000400,
81830 + GR_PROCACCT = 0x00000800,
81831 + GR_RELAXPTRACE = 0x00001000,
81832 + //GR_NESTED = 0x00002000,
81833 + GR_INHERITLEARN = 0x00004000,
81834 + GR_PROCFIND = 0x00008000,
81835 + GR_POVERRIDE = 0x00010000,
81836 + GR_KERNELAUTH = 0x00020000,
81837 + GR_ATSECURE = 0x00040000,
81838 + GR_SHMEXEC = 0x00080000
81839 +};
81840 +
81841 +enum {
81842 + GR_PAX_ENABLE_SEGMEXEC = 0x0001,
81843 + GR_PAX_ENABLE_PAGEEXEC = 0x0002,
81844 + GR_PAX_ENABLE_MPROTECT = 0x0004,
81845 + GR_PAX_ENABLE_RANDMMAP = 0x0008,
81846 + GR_PAX_ENABLE_EMUTRAMP = 0x0010,
81847 + GR_PAX_DISABLE_SEGMEXEC = 0x0100,
81848 + GR_PAX_DISABLE_PAGEEXEC = 0x0200,
81849 + GR_PAX_DISABLE_MPROTECT = 0x0400,
81850 + GR_PAX_DISABLE_RANDMMAP = 0x0800,
81851 + GR_PAX_DISABLE_EMUTRAMP = 0x1000,
81852 +};
81853 +
81854 +enum {
81855 + GR_ID_USER = 0x01,
81856 + GR_ID_GROUP = 0x02,
81857 +};
81858 +
81859 +enum {
81860 + GR_ID_ALLOW = 0x01,
81861 + GR_ID_DENY = 0x02,
81862 +};
81863 +
81864 +#define GR_CRASH_RES 31
81865 +#define GR_UIDTABLE_MAX 500
81866 +
81867 +/* begin resource learning section */
81868 +enum {
81869 + GR_RLIM_CPU_BUMP = 60,
81870 + GR_RLIM_FSIZE_BUMP = 50000,
81871 + GR_RLIM_DATA_BUMP = 10000,
81872 + GR_RLIM_STACK_BUMP = 1000,
81873 + GR_RLIM_CORE_BUMP = 10000,
81874 + GR_RLIM_RSS_BUMP = 500000,
81875 + GR_RLIM_NPROC_BUMP = 1,
81876 + GR_RLIM_NOFILE_BUMP = 5,
81877 + GR_RLIM_MEMLOCK_BUMP = 50000,
81878 + GR_RLIM_AS_BUMP = 500000,
81879 + GR_RLIM_LOCKS_BUMP = 2,
81880 + GR_RLIM_SIGPENDING_BUMP = 5,
81881 + GR_RLIM_MSGQUEUE_BUMP = 10000,
81882 + GR_RLIM_NICE_BUMP = 1,
81883 + GR_RLIM_RTPRIO_BUMP = 1,
81884 + GR_RLIM_RTTIME_BUMP = 1000000
81885 +};
81886 +
81887 +#endif
81888 diff --git a/include/linux/grinternal.h b/include/linux/grinternal.h
81889 new file mode 100644
81890 index 0000000..fb1de5d
81891 --- /dev/null
81892 +++ b/include/linux/grinternal.h
81893 @@ -0,0 +1,230 @@
81894 +#ifndef __GRINTERNAL_H
81895 +#define __GRINTERNAL_H
81896 +
81897 +#ifdef CONFIG_GRKERNSEC
81898 +
81899 +#include <linux/fs.h>
81900 +#include <linux/mnt_namespace.h>
81901 +#include <linux/nsproxy.h>
81902 +#include <linux/gracl.h>
81903 +#include <linux/grdefs.h>
81904 +#include <linux/grmsg.h>
81905 +
81906 +void gr_add_learn_entry(const char *fmt, ...)
81907 + __attribute__ ((format (printf, 1, 2)));
81908 +__u32 gr_search_file(const struct dentry *dentry, const __u32 mode,
81909 + const struct vfsmount *mnt);
81910 +__u32 gr_check_create(const struct dentry *new_dentry,
81911 + const struct dentry *parent,
81912 + const struct vfsmount *mnt, const __u32 mode);
81913 +int gr_check_protected_task(const struct task_struct *task);
81914 +__u32 to_gr_audit(const __u32 reqmode);
81915 +int gr_set_acls(const int type);
81916 +int gr_acl_is_enabled(void);
81917 +char gr_roletype_to_char(void);
81918 +
81919 +void gr_handle_alertkill(struct task_struct *task);
81920 +char *gr_to_filename(const struct dentry *dentry,
81921 + const struct vfsmount *mnt);
81922 +char *gr_to_filename1(const struct dentry *dentry,
81923 + const struct vfsmount *mnt);
81924 +char *gr_to_filename2(const struct dentry *dentry,
81925 + const struct vfsmount *mnt);
81926 +char *gr_to_filename3(const struct dentry *dentry,
81927 + const struct vfsmount *mnt);
81928 +
81929 +extern int grsec_enable_ptrace_readexec;
81930 +extern int grsec_enable_harden_ptrace;
81931 +extern int grsec_enable_link;
81932 +extern int grsec_enable_fifo;
81933 +extern int grsec_enable_execve;
81934 +extern int grsec_enable_shm;
81935 +extern int grsec_enable_execlog;
81936 +extern int grsec_enable_signal;
81937 +extern int grsec_enable_audit_ptrace;
81938 +extern int grsec_enable_forkfail;
81939 +extern int grsec_enable_time;
81940 +extern int grsec_enable_rofs;
81941 +extern int grsec_deny_new_usb;
81942 +extern int grsec_enable_chroot_shmat;
81943 +extern int grsec_enable_chroot_mount;
81944 +extern int grsec_enable_chroot_double;
81945 +extern int grsec_enable_chroot_pivot;
81946 +extern int grsec_enable_chroot_chdir;
81947 +extern int grsec_enable_chroot_chmod;
81948 +extern int grsec_enable_chroot_mknod;
81949 +extern int grsec_enable_chroot_fchdir;
81950 +extern int grsec_enable_chroot_nice;
81951 +extern int grsec_enable_chroot_execlog;
81952 +extern int grsec_enable_chroot_caps;
81953 +extern int grsec_enable_chroot_rename;
81954 +extern int grsec_enable_chroot_sysctl;
81955 +extern int grsec_enable_chroot_unix;
81956 +extern int grsec_enable_symlinkown;
81957 +extern kgid_t grsec_symlinkown_gid;
81958 +extern int grsec_enable_tpe;
81959 +extern kgid_t grsec_tpe_gid;
81960 +extern int grsec_enable_tpe_all;
81961 +extern int grsec_enable_tpe_invert;
81962 +extern int grsec_enable_socket_all;
81963 +extern kgid_t grsec_socket_all_gid;
81964 +extern int grsec_enable_socket_client;
81965 +extern kgid_t grsec_socket_client_gid;
81966 +extern int grsec_enable_socket_server;
81967 +extern kgid_t grsec_socket_server_gid;
81968 +extern kgid_t grsec_audit_gid;
81969 +extern int grsec_enable_group;
81970 +extern int grsec_enable_log_rwxmaps;
81971 +extern int grsec_enable_mount;
81972 +extern int grsec_enable_chdir;
81973 +extern int grsec_resource_logging;
81974 +extern int grsec_enable_blackhole;
81975 +extern int grsec_lastack_retries;
81976 +extern int grsec_enable_brute;
81977 +extern int grsec_enable_harden_ipc;
81978 +extern int grsec_lock;
81979 +
81980 +extern spinlock_t grsec_alert_lock;
81981 +extern unsigned long grsec_alert_wtime;
81982 +extern unsigned long grsec_alert_fyet;
81983 +
81984 +extern spinlock_t grsec_audit_lock;
81985 +
81986 +extern rwlock_t grsec_exec_file_lock;
81987 +
81988 +#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \
81989 + gr_to_filename2((tsk)->exec_file->f_path.dentry, \
81990 + (tsk)->exec_file->f_path.mnt) : "/")
81991 +
81992 +#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \
81993 + gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \
81994 + (tsk)->real_parent->exec_file->f_path.mnt) : "/")
81995 +
81996 +#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \
81997 + gr_to_filename((tsk)->exec_file->f_path.dentry, \
81998 + (tsk)->exec_file->f_path.mnt) : "/")
81999 +
82000 +#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \
82001 + gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \
82002 + (tsk)->real_parent->exec_file->f_path.mnt) : "/")
82003 +
82004 +#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted)
82005 +
82006 +#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry)
82007 +
82008 +static inline bool gr_is_same_file(const struct file *file1, const struct file *file2)
82009 +{
82010 + if (file1 && file2) {
82011 + const struct inode *inode1 = file1->f_path.dentry->d_inode;
82012 + const struct inode *inode2 = file2->f_path.dentry->d_inode;
82013 + if (inode1->i_ino == inode2->i_ino && inode1->i_sb->s_dev == inode2->i_sb->s_dev)
82014 + return true;
82015 + }
82016 +
82017 + return false;
82018 +}
82019 +
82020 +#define GR_CHROOT_CAPS {{ \
82021 + CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \
82022 + CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \
82023 + CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \
82024 + CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \
82025 + CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \
82026 + CAP_TO_MASK(CAP_IPC_OWNER) | CAP_TO_MASK(CAP_SETFCAP), \
82027 + CAP_TO_MASK(CAP_SYSLOG) | CAP_TO_MASK(CAP_MAC_ADMIN) }}
82028 +
82029 +#define security_learn(normal_msg,args...) \
82030 +({ \
82031 + read_lock(&grsec_exec_file_lock); \
82032 + gr_add_learn_entry(normal_msg "\n", ## args); \
82033 + read_unlock(&grsec_exec_file_lock); \
82034 +})
82035 +
82036 +enum {
82037 + GR_DO_AUDIT,
82038 + GR_DONT_AUDIT,
82039 + /* used for non-audit messages that we shouldn't kill the task on */
82040 + GR_DONT_AUDIT_GOOD
82041 +};
82042 +
82043 +enum {
82044 + GR_TTYSNIFF,
82045 + GR_RBAC,
82046 + GR_RBAC_STR,
82047 + GR_STR_RBAC,
82048 + GR_RBAC_MODE2,
82049 + GR_RBAC_MODE3,
82050 + GR_FILENAME,
82051 + GR_SYSCTL_HIDDEN,
82052 + GR_NOARGS,
82053 + GR_ONE_INT,
82054 + GR_ONE_INT_TWO_STR,
82055 + GR_ONE_STR,
82056 + GR_STR_INT,
82057 + GR_TWO_STR_INT,
82058 + GR_TWO_INT,
82059 + GR_TWO_U64,
82060 + GR_THREE_INT,
82061 + GR_FIVE_INT_TWO_STR,
82062 + GR_TWO_STR,
82063 + GR_THREE_STR,
82064 + GR_FOUR_STR,
82065 + GR_STR_FILENAME,
82066 + GR_FILENAME_STR,
82067 + GR_FILENAME_TWO_INT,
82068 + GR_FILENAME_TWO_INT_STR,
82069 + GR_TEXTREL,
82070 + GR_PTRACE,
82071 + GR_RESOURCE,
82072 + GR_CAP,
82073 + GR_SIG,
82074 + GR_SIG2,
82075 + GR_CRASH1,
82076 + GR_CRASH2,
82077 + GR_PSACCT,
82078 + GR_RWXMAP,
82079 + GR_RWXMAPVMA
82080 +};
82081 +
82082 +#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str)
82083 +#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task)
82084 +#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt)
82085 +#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str)
82086 +#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt)
82087 +#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2)
82088 +#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3)
82089 +#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt)
82090 +#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS)
82091 +#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num)
82092 +#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2)
82093 +#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str)
82094 +#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num)
82095 +#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2)
82096 +#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2)
82097 +#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3)
82098 +#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2)
82099 +#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2)
82100 +#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num)
82101 +#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3)
82102 +#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4)
82103 +#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt)
82104 +#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str)
82105 +#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2)
82106 +#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str)
82107 +#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2)
82108 +#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task)
82109 +#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2)
82110 +#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str)
82111 +#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr)
82112 +#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num)
82113 +#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong)
82114 +#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1)
82115 +#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9)
82116 +#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str)
82117 +#define gr_log_rwxmap_vma(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAPVMA, str)
82118 +
82119 +void gr_log_varargs(int audit, const char *msg, int argtypes, ...);
82120 +
82121 +#endif
82122 +
82123 +#endif
82124 diff --git a/include/linux/grmsg.h b/include/linux/grmsg.h
82125 new file mode 100644
82126 index 0000000..26ef560
82127 --- /dev/null
82128 +++ b/include/linux/grmsg.h
82129 @@ -0,0 +1,118 @@
82130 +#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u"
82131 +#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u"
82132 +#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by "
82133 +#define GR_STOPMOD_MSG "denied modification of module state by "
82134 +#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by "
82135 +#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by "
82136 +#define GR_IOPERM_MSG "denied use of ioperm() by "
82137 +#define GR_IOPL_MSG "denied use of iopl() by "
82138 +#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by "
82139 +#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by "
82140 +#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by "
82141 +#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by "
82142 +#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by "
82143 +#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4"
82144 +#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4"
82145 +#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by "
82146 +#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by "
82147 +#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by "
82148 +#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by "
82149 +#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by "
82150 +#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by "
82151 +#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by "
82152 +#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against "
82153 +#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by "
82154 +#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by "
82155 +#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by "
82156 +#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by "
82157 +#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for "
82158 +#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by "
82159 +#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by "
82160 +#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by "
82161 +#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by "
82162 +#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by "
82163 +#define GR_EXEC_ACL_MSG "%s execution of %.950s by "
82164 +#define GR_EXEC_TPE_MSG "denied untrusted exec (due to %.70s) of %.950s by "
82165 +#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds"
82166 +#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds"
82167 +#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by "
82168 +#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by "
82169 +#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by "
82170 +#define GR_ATIME_ACL_MSG "%s access time change of %.950s by "
82171 +#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by "
82172 +#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by "
82173 +#define GR_CHROOT_RENAME_MSG "denied bad rename of %.950s out of a chroot by "
82174 +#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by "
82175 +#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by "
82176 +#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by "
82177 +#define GR_CHROOT_FHANDLE_MSG "denied use of file handles inside chroot by "
82178 +#define GR_CHOWN_ACL_MSG "%s chown of %.950s by "
82179 +#define GR_SETXATTR_ACL_MSG "%s setting extended attribute of %.950s by "
82180 +#define GR_REMOVEXATTR_ACL_MSG "%s removing extended attribute of %.950s by "
82181 +#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by "
82182 +#define GR_INITF_ACL_MSG "init_variables() failed %s by "
82183 +#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader"
82184 +#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbage by "
82185 +#define GR_SHUTS_ACL_MSG "shutdown auth success for "
82186 +#define GR_SHUTF_ACL_MSG "shutdown auth failure for "
82187 +#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for "
82188 +#define GR_SEGVMODS_ACL_MSG "segvmod auth success for "
82189 +#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for "
82190 +#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for "
82191 +#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by "
82192 +#define GR_ENABLEF_ACL_MSG "unable to load %s for "
82193 +#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system"
82194 +#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by "
82195 +#define GR_RELOADF_ACL_MSG "failed reload of %s for "
82196 +#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for "
82197 +#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by "
82198 +#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by "
82199 +#define GR_SPROLEF_ACL_MSG "special role %s failure for "
82200 +#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for "
82201 +#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by "
82202 +#define GR_INVMODE_ACL_MSG "invalid mode %d by "
82203 +#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by "
82204 +#define GR_FAILFORK_MSG "failed fork with errno %s by "
82205 +#define GR_NICE_CHROOT_MSG "denied priority change by "
82206 +#define GR_UNISIGLOG_MSG "%.32s occurred at %p in "
82207 +#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by "
82208 +#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by "
82209 +#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by "
82210 +#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by "
82211 +#define GR_TIME_MSG "time set by "
82212 +#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by "
82213 +#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by "
82214 +#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by "
82215 +#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by "
82216 +#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by "
82217 +#define GR_BIND_MSG "denied bind() by "
82218 +#define GR_CONNECT_MSG "denied connect() by "
82219 +#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by "
82220 +#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by "
82221 +#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4"
82222 +#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process "
82223 +#define GR_CAP_ACL_MSG "use of %s denied for "
82224 +#define GR_CAP_CHROOT_MSG "use of %s in chroot denied for "
82225 +#define GR_CAP_ACL_MSG2 "use of %s permitted for "
82226 +#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for "
82227 +#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for "
82228 +#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by "
82229 +#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by "
82230 +#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by "
82231 +#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by "
82232 +#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by "
82233 +#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for "
82234 +#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by "
82235 +#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by "
82236 +#define GR_TEXTREL_AUDIT_MSG "denied text relocation in %.950s, VMA:0x%08lx 0x%08lx by "
82237 +#define GR_PTGNUSTACK_MSG "denied marking stack executable as requested by PT_GNU_STACK marking in %.950s by "
82238 +#define GR_VM86_MSG "denied use of vm86 by "
82239 +#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by "
82240 +#define GR_PTRACE_READEXEC_MSG "denied ptrace of unreadable binary %.950s by "
82241 +#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by "
82242 +#define GR_BADPROCPID_MSG "denied read of sensitive /proc/pid/%s entry via fd passed across exec by "
82243 +#define GR_SYMLINKOWNER_MSG "denied following symlink %.950s since symlink owner %u does not match target owner %u, by "
82244 +#define GR_BRUTE_DAEMON_MSG "bruteforce prevention initiated for the next 30 minutes or until service restarted, stalling each fork 30 seconds. Please investigate the crash report for "
82245 +#define GR_BRUTE_SUID_MSG "bruteforce prevention initiated due to crash of %.950s against uid %u, banning suid/sgid execs for %u minutes. Please investigate the crash report for "
82246 +#define GR_IPC_DENIED_MSG "denied %s of overly-permissive IPC object with creator uid %u by "
82247 +#define GR_MSRWRITE_MSG "denied write to CPU MSR by "
82248 diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h
82249 new file mode 100644
82250 index 0000000..6c76fcb
82251 --- /dev/null
82252 +++ b/include/linux/grsecurity.h
82253 @@ -0,0 +1,249 @@
82254 +#ifndef GR_SECURITY_H
82255 +#define GR_SECURITY_H
82256 +#include <linux/fs.h>
82257 +#include <linux/fs_struct.h>
82258 +#include <linux/binfmts.h>
82259 +#include <linux/gracl.h>
82260 +
82261 +/* notify of brain-dead configs */
82262 +#if defined(CONFIG_GRKERNSEC_PROC_USER) && defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
82263 +#error "CONFIG_GRKERNSEC_PROC_USER and CONFIG_GRKERNSEC_PROC_USERGROUP cannot both be enabled."
82264 +#endif
82265 +#if defined(CONFIG_GRKERNSEC_PROC) && !defined(CONFIG_GRKERNSEC_PROC_USER) && !defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
82266 +#error "CONFIG_GRKERNSEC_PROC enabled, but neither CONFIG_GRKERNSEC_PROC_USER nor CONFIG_GRKERNSEC_PROC_USERGROUP enabled"
82267 +#endif
82268 +#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC)
82269 +#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled."
82270 +#endif
82271 +#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP)
82272 +#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled."
82273 +#endif
82274 +#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR)
82275 +#error "CONFIG_PAX enabled, but no PaX options are enabled."
82276 +#endif
82277 +
82278 +int gr_handle_new_usb(void);
82279 +
82280 +void gr_handle_brute_attach(int dumpable);
82281 +void gr_handle_brute_check(void);
82282 +void gr_handle_kernel_exploit(void);
82283 +
82284 +char gr_roletype_to_char(void);
82285 +
82286 +int gr_proc_is_restricted(void);
82287 +
82288 +int gr_acl_enable_at_secure(void);
82289 +
82290 +int gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs);
82291 +int gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs);
82292 +
82293 +int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap);
82294 +
82295 +void gr_del_task_from_ip_table(struct task_struct *p);
82296 +
82297 +int gr_pid_is_chrooted(struct task_struct *p);
82298 +int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type);
82299 +int gr_handle_chroot_nice(void);
82300 +int gr_handle_chroot_sysctl(const int op);
82301 +int gr_handle_chroot_setpriority(struct task_struct *p,
82302 + const int niceval);
82303 +int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt);
82304 +int gr_chroot_fhandle(void);
82305 +int gr_handle_chroot_chroot(const struct dentry *dentry,
82306 + const struct vfsmount *mnt);
82307 +void gr_handle_chroot_chdir(const struct path *path);
82308 +int gr_handle_chroot_chmod(const struct dentry *dentry,
82309 + const struct vfsmount *mnt, const int mode);
82310 +int gr_handle_chroot_mknod(const struct dentry *dentry,
82311 + const struct vfsmount *mnt, const int mode);
82312 +int gr_handle_chroot_mount(const struct dentry *dentry,
82313 + const struct vfsmount *mnt,
82314 + const char *dev_name);
82315 +int gr_handle_chroot_pivot(void);
82316 +int gr_handle_chroot_unix(const pid_t pid);
82317 +
82318 +int gr_handle_rawio(const struct inode *inode);
82319 +
82320 +void gr_handle_ioperm(void);
82321 +void gr_handle_iopl(void);
82322 +void gr_handle_msr_write(void);
82323 +
82324 +umode_t gr_acl_umask(void);
82325 +
82326 +int gr_tpe_allow(const struct file *file);
82327 +
82328 +void gr_set_chroot_entries(struct task_struct *task, const struct path *path);
82329 +void gr_clear_chroot_entries(struct task_struct *task);
82330 +
82331 +void gr_log_forkfail(const int retval);
82332 +void gr_log_timechange(void);
82333 +void gr_log_signal(const int sig, const void *addr, const struct task_struct *t);
82334 +void gr_log_chdir(const struct dentry *dentry,
82335 + const struct vfsmount *mnt);
82336 +void gr_log_chroot_exec(const struct dentry *dentry,
82337 + const struct vfsmount *mnt);
82338 +void gr_log_remount(const char *devname, const int retval);
82339 +void gr_log_unmount(const char *devname, const int retval);
82340 +void gr_log_mount(const char *from, struct path *to, const int retval);
82341 +void gr_log_textrel(struct vm_area_struct *vma);
82342 +void gr_log_ptgnustack(struct file *file);
82343 +void gr_log_rwxmmap(struct file *file);
82344 +void gr_log_rwxmprotect(struct vm_area_struct *vma);
82345 +
82346 +int gr_handle_follow_link(const struct inode *parent,
82347 + const struct inode *inode,
82348 + const struct dentry *dentry,
82349 + const struct vfsmount *mnt);
82350 +int gr_handle_fifo(const struct dentry *dentry,
82351 + const struct vfsmount *mnt,
82352 + const struct dentry *dir, const int flag,
82353 + const int acc_mode);
82354 +int gr_handle_hardlink(const struct dentry *dentry,
82355 + const struct vfsmount *mnt,
82356 + struct inode *inode,
82357 + const int mode, const struct filename *to);
82358 +
82359 +int gr_is_capable(const int cap);
82360 +int gr_is_capable_nolog(const int cap);
82361 +int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap);
82362 +int gr_task_is_capable_nolog(const struct task_struct *task, const int cap);
82363 +
82364 +void gr_copy_label(struct task_struct *tsk);
82365 +void gr_handle_crash(struct task_struct *task, const int sig);
82366 +int gr_handle_signal(const struct task_struct *p, const int sig);
82367 +int gr_check_crash_uid(const kuid_t uid);
82368 +int gr_check_protected_task(const struct task_struct *task);
82369 +int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type);
82370 +int gr_acl_handle_mmap(const struct file *file,
82371 + const unsigned long prot);
82372 +int gr_acl_handle_mprotect(const struct file *file,
82373 + const unsigned long prot);
82374 +int gr_check_hidden_task(const struct task_struct *tsk);
82375 +__u32 gr_acl_handle_truncate(const struct dentry *dentry,
82376 + const struct vfsmount *mnt);
82377 +__u32 gr_acl_handle_utime(const struct dentry *dentry,
82378 + const struct vfsmount *mnt);
82379 +__u32 gr_acl_handle_access(const struct dentry *dentry,
82380 + const struct vfsmount *mnt, const int fmode);
82381 +__u32 gr_acl_handle_chmod(const struct dentry *dentry,
82382 + const struct vfsmount *mnt, umode_t *mode);
82383 +__u32 gr_acl_handle_chown(const struct dentry *dentry,
82384 + const struct vfsmount *mnt);
82385 +__u32 gr_acl_handle_setxattr(const struct dentry *dentry,
82386 + const struct vfsmount *mnt);
82387 +__u32 gr_acl_handle_removexattr(const struct dentry *dentry,
82388 + const struct vfsmount *mnt);
82389 +int gr_handle_ptrace(struct task_struct *task, const long request);
82390 +int gr_handle_proc_ptrace(struct task_struct *task);
82391 +__u32 gr_acl_handle_execve(const struct dentry *dentry,
82392 + const struct vfsmount *mnt);
82393 +int gr_check_crash_exec(const struct file *filp);
82394 +int gr_acl_is_enabled(void);
82395 +void gr_set_role_label(struct task_struct *task, const kuid_t uid,
82396 + const kgid_t gid);
82397 +int gr_set_proc_label(const struct dentry *dentry,
82398 + const struct vfsmount *mnt,
82399 + const int unsafe_flags);
82400 +__u32 gr_acl_handle_hidden_file(const struct dentry *dentry,
82401 + const struct vfsmount *mnt);
82402 +__u32 gr_acl_handle_open(const struct dentry *dentry,
82403 + const struct vfsmount *mnt, int acc_mode);
82404 +__u32 gr_acl_handle_creat(const struct dentry *dentry,
82405 + const struct dentry *p_dentry,
82406 + const struct vfsmount *p_mnt,
82407 + int open_flags, int acc_mode, const int imode);
82408 +void gr_handle_create(const struct dentry *dentry,
82409 + const struct vfsmount *mnt);
82410 +void gr_handle_proc_create(const struct dentry *dentry,
82411 + const struct inode *inode);
82412 +__u32 gr_acl_handle_mknod(const struct dentry *new_dentry,
82413 + const struct dentry *parent_dentry,
82414 + const struct vfsmount *parent_mnt,
82415 + const int mode);
82416 +__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry,
82417 + const struct dentry *parent_dentry,
82418 + const struct vfsmount *parent_mnt);
82419 +__u32 gr_acl_handle_rmdir(const struct dentry *dentry,
82420 + const struct vfsmount *mnt);
82421 +void gr_handle_delete(const ino_t ino, const dev_t dev);
82422 +__u32 gr_acl_handle_unlink(const struct dentry *dentry,
82423 + const struct vfsmount *mnt);
82424 +__u32 gr_acl_handle_symlink(const struct dentry *new_dentry,
82425 + const struct dentry *parent_dentry,
82426 + const struct vfsmount *parent_mnt,
82427 + const struct filename *from);
82428 +__u32 gr_acl_handle_link(const struct dentry *new_dentry,
82429 + const struct dentry *parent_dentry,
82430 + const struct vfsmount *parent_mnt,
82431 + const struct dentry *old_dentry,
82432 + const struct vfsmount *old_mnt, const struct filename *to);
82433 +int gr_handle_symlink_owner(const struct path *link, const struct inode *target);
82434 +int gr_acl_handle_rename(struct dentry *new_dentry,
82435 + struct dentry *parent_dentry,
82436 + const struct vfsmount *parent_mnt,
82437 + struct dentry *old_dentry,
82438 + struct inode *old_parent_inode,
82439 + struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags);
82440 +void gr_handle_rename(struct inode *old_dir, struct inode *new_dir,
82441 + struct dentry *old_dentry,
82442 + struct dentry *new_dentry,
82443 + struct vfsmount *mnt, const __u8 replace, unsigned int flags);
82444 +__u32 gr_check_link(const struct dentry *new_dentry,
82445 + const struct dentry *parent_dentry,
82446 + const struct vfsmount *parent_mnt,
82447 + const struct dentry *old_dentry,
82448 + const struct vfsmount *old_mnt);
82449 +int gr_acl_handle_filldir(const struct file *file, const char *name,
82450 + const unsigned int namelen, const ino_t ino);
82451 +
82452 +__u32 gr_acl_handle_unix(const struct dentry *dentry,
82453 + const struct vfsmount *mnt);
82454 +void gr_acl_handle_exit(void);
82455 +void gr_acl_handle_psacct(struct task_struct *task, const long code);
82456 +int gr_acl_handle_procpidmem(const struct task_struct *task);
82457 +int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags);
82458 +int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode);
82459 +void gr_audit_ptrace(struct task_struct *task);
82460 +dev_t gr_get_dev_from_dentry(struct dentry *dentry);
82461 +void gr_put_exec_file(struct task_struct *task);
82462 +
82463 +int gr_ptrace_readexec(struct file *file, int unsafe_flags);
82464 +
82465 +void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt);
82466 +void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt);
82467 +int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt,
82468 + struct dentry *newdentry, struct vfsmount *newmnt);
82469 +
82470 +#ifdef CONFIG_GRKERNSEC_RESLOG
82471 +extern void gr_log_resource(const struct task_struct *task, const int res,
82472 + const unsigned long wanted, const int gt);
82473 +#else
82474 +static inline void gr_log_resource(const struct task_struct *task, const int res,
82475 + const unsigned long wanted, const int gt)
82476 +{
82477 +}
82478 +#endif
82479 +
82480 +#ifdef CONFIG_GRKERNSEC
82481 +void task_grsec_rbac(struct seq_file *m, struct task_struct *p);
82482 +void gr_handle_vm86(void);
82483 +void gr_handle_mem_readwrite(u64 from, u64 to);
82484 +
82485 +void gr_log_badprocpid(const char *entry);
82486 +
82487 +extern int grsec_enable_dmesg;
82488 +extern int grsec_disable_privio;
82489 +
82490 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
82491 +extern kgid_t grsec_proc_gid;
82492 +#endif
82493 +
82494 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
82495 +extern int grsec_enable_chroot_findtask;
82496 +#endif
82497 +#ifdef CONFIG_GRKERNSEC_SETXID
82498 +extern int grsec_enable_setxid;
82499 +#endif
82500 +#endif
82501 +
82502 +#endif
82503 diff --git a/include/linux/grsock.h b/include/linux/grsock.h
82504 new file mode 100644
82505 index 0000000..e7ffaaf
82506 --- /dev/null
82507 +++ b/include/linux/grsock.h
82508 @@ -0,0 +1,19 @@
82509 +#ifndef __GRSOCK_H
82510 +#define __GRSOCK_H
82511 +
82512 +extern void gr_attach_curr_ip(const struct sock *sk);
82513 +extern int gr_handle_sock_all(const int family, const int type,
82514 + const int protocol);
82515 +extern int gr_handle_sock_server(const struct sockaddr *sck);
82516 +extern int gr_handle_sock_server_other(const struct sock *sck);
82517 +extern int gr_handle_sock_client(const struct sockaddr *sck);
82518 +extern int gr_search_connect(struct socket * sock,
82519 + struct sockaddr_in * addr);
82520 +extern int gr_search_bind(struct socket * sock,
82521 + struct sockaddr_in * addr);
82522 +extern int gr_search_listen(struct socket * sock);
82523 +extern int gr_search_accept(struct socket * sock);
82524 +extern int gr_search_socket(const int domain, const int type,
82525 + const int protocol);
82526 +
82527 +#endif
82528 diff --git a/include/linux/hash.h b/include/linux/hash.h
82529 index d0494c3..69b7715 100644
82530 --- a/include/linux/hash.h
82531 +++ b/include/linux/hash.h
82532 @@ -87,7 +87,7 @@ static inline u32 hash32_ptr(const void *ptr)
82533 struct fast_hash_ops {
82534 u32 (*hash)(const void *data, u32 len, u32 seed);
82535 u32 (*hash2)(const u32 *data, u32 len, u32 seed);
82536 -};
82537 +} __no_const;
82538
82539 /**
82540 * arch_fast_hash - Caclulates a hash over a given buffer that can have
82541 diff --git a/include/linux/highmem.h b/include/linux/highmem.h
82542 index 9286a46..373f27f 100644
82543 --- a/include/linux/highmem.h
82544 +++ b/include/linux/highmem.h
82545 @@ -189,6 +189,18 @@ static inline void clear_highpage(struct page *page)
82546 kunmap_atomic(kaddr);
82547 }
82548
82549 +static inline void sanitize_highpage(struct page *page)
82550 +{
82551 + void *kaddr;
82552 + unsigned long flags;
82553 +
82554 + local_irq_save(flags);
82555 + kaddr = kmap_atomic(page);
82556 + clear_page(kaddr);
82557 + kunmap_atomic(kaddr);
82558 + local_irq_restore(flags);
82559 +}
82560 +
82561 static inline void zero_user_segments(struct page *page,
82562 unsigned start1, unsigned end1,
82563 unsigned start2, unsigned end2)
82564 diff --git a/include/linux/hwmon-sysfs.h b/include/linux/hwmon-sysfs.h
82565 index 1c7b89a..7dda400 100644
82566 --- a/include/linux/hwmon-sysfs.h
82567 +++ b/include/linux/hwmon-sysfs.h
82568 @@ -25,7 +25,8 @@
82569 struct sensor_device_attribute{
82570 struct device_attribute dev_attr;
82571 int index;
82572 -};
82573 +} __do_const;
82574 +typedef struct sensor_device_attribute __no_const sensor_device_attribute_no_const;
82575 #define to_sensor_dev_attr(_dev_attr) \
82576 container_of(_dev_attr, struct sensor_device_attribute, dev_attr)
82577
82578 @@ -41,7 +42,8 @@ struct sensor_device_attribute_2 {
82579 struct device_attribute dev_attr;
82580 u8 index;
82581 u8 nr;
82582 -};
82583 +} __do_const;
82584 +typedef struct sensor_device_attribute_2 __no_const sensor_device_attribute_2_no_const;
82585 #define to_sensor_dev_attr_2(_dev_attr) \
82586 container_of(_dev_attr, struct sensor_device_attribute_2, dev_attr)
82587
82588 diff --git a/include/linux/i2c.h b/include/linux/i2c.h
82589 index b556e0a..c10a515 100644
82590 --- a/include/linux/i2c.h
82591 +++ b/include/linux/i2c.h
82592 @@ -378,6 +378,7 @@ struct i2c_algorithm {
82593 /* To determine what the adapter supports */
82594 u32 (*functionality) (struct i2c_adapter *);
82595 };
82596 +typedef struct i2c_algorithm __no_const i2c_algorithm_no_const;
82597
82598 /**
82599 * struct i2c_bus_recovery_info - I2C bus recovery information
82600 diff --git a/include/linux/i2o.h b/include/linux/i2o.h
82601 index d23c3c2..eb63c81 100644
82602 --- a/include/linux/i2o.h
82603 +++ b/include/linux/i2o.h
82604 @@ -565,7 +565,7 @@ struct i2o_controller {
82605 struct i2o_device *exec; /* Executive */
82606 #if BITS_PER_LONG == 64
82607 spinlock_t context_list_lock; /* lock for context_list */
82608 - atomic_t context_list_counter; /* needed for unique contexts */
82609 + atomic_unchecked_t context_list_counter; /* needed for unique contexts */
82610 struct list_head context_list; /* list of context id's
82611 and pointers */
82612 #endif
82613 diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h
82614 index aff7ad8..3942bbd 100644
82615 --- a/include/linux/if_pppox.h
82616 +++ b/include/linux/if_pppox.h
82617 @@ -76,7 +76,7 @@ struct pppox_proto {
82618 int (*ioctl)(struct socket *sock, unsigned int cmd,
82619 unsigned long arg);
82620 struct module *owner;
82621 -};
82622 +} __do_const;
82623
82624 extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp);
82625 extern void unregister_pppox_proto(int proto_num);
82626 diff --git a/include/linux/init.h b/include/linux/init.h
82627 index 2df8e8d..3e1280d 100644
82628 --- a/include/linux/init.h
82629 +++ b/include/linux/init.h
82630 @@ -37,9 +37,17 @@
82631 * section.
82632 */
82633
82634 +#define add_init_latent_entropy __latent_entropy
82635 +
82636 +#ifdef CONFIG_MEMORY_HOTPLUG
82637 +#define add_meminit_latent_entropy
82638 +#else
82639 +#define add_meminit_latent_entropy __latent_entropy
82640 +#endif
82641 +
82642 /* These are for everybody (although not all archs will actually
82643 discard it in modules) */
82644 -#define __init __section(.init.text) __cold notrace
82645 +#define __init __section(.init.text) __cold notrace add_init_latent_entropy
82646 #define __initdata __section(.init.data)
82647 #define __initconst __constsection(.init.rodata)
82648 #define __exitdata __section(.exit.data)
82649 @@ -100,7 +108,7 @@
82650 #define __cpuexitconst
82651
82652 /* Used for MEMORY_HOTPLUG */
82653 -#define __meminit __section(.meminit.text) __cold notrace
82654 +#define __meminit __section(.meminit.text) __cold notrace add_meminit_latent_entropy
82655 #define __meminitdata __section(.meminit.data)
82656 #define __meminitconst __constsection(.meminit.rodata)
82657 #define __memexit __section(.memexit.text) __exitused __cold notrace
82658 diff --git a/include/linux/init_task.h b/include/linux/init_task.h
82659 index 77fc43f..73caf92 100644
82660 --- a/include/linux/init_task.h
82661 +++ b/include/linux/init_task.h
82662 @@ -158,6 +158,12 @@ extern struct task_group root_task_group;
82663
82664 #define INIT_TASK_COMM "swapper"
82665
82666 +#ifdef CONFIG_X86
82667 +#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO,
82668 +#else
82669 +#define INIT_TASK_THREAD_INFO
82670 +#endif
82671 +
82672 #ifdef CONFIG_RT_MUTEXES
82673 # define INIT_RT_MUTEXES(tsk) \
82674 .pi_waiters = RB_ROOT, \
82675 @@ -205,6 +211,7 @@ extern struct task_group root_task_group;
82676 RCU_POINTER_INITIALIZER(cred, &init_cred), \
82677 .comm = INIT_TASK_COMM, \
82678 .thread = INIT_THREAD, \
82679 + INIT_TASK_THREAD_INFO \
82680 .fs = &init_fs, \
82681 .files = &init_files, \
82682 .signal = &init_signals, \
82683 diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
82684 index 69517a2..6b12d37 100644
82685 --- a/include/linux/interrupt.h
82686 +++ b/include/linux/interrupt.h
82687 @@ -413,8 +413,8 @@ extern const char * const softirq_to_name[NR_SOFTIRQS];
82688
82689 struct softirq_action
82690 {
82691 - void (*action)(struct softirq_action *);
82692 -};
82693 + void (*action)(void);
82694 +} __no_const;
82695
82696 asmlinkage void do_softirq(void);
82697 asmlinkage void __do_softirq(void);
82698 @@ -428,7 +428,7 @@ static inline void do_softirq_own_stack(void)
82699 }
82700 #endif
82701
82702 -extern void open_softirq(int nr, void (*action)(struct softirq_action *));
82703 +extern void open_softirq(int nr, void (*action)(void));
82704 extern void softirq_init(void);
82705 extern void __raise_softirq_irqoff(unsigned int nr);
82706
82707 diff --git a/include/linux/iommu.h b/include/linux/iommu.h
82708 index e6a7c9f..5804745 100644
82709 --- a/include/linux/iommu.h
82710 +++ b/include/linux/iommu.h
82711 @@ -133,7 +133,7 @@ struct iommu_ops {
82712 u32 (*domain_get_windows)(struct iommu_domain *domain);
82713
82714 unsigned long pgsize_bitmap;
82715 -};
82716 +} __do_const;
82717
82718 #define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */
82719 #define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */
82720 diff --git a/include/linux/ioport.h b/include/linux/ioport.h
82721 index 2c525022..345b106 100644
82722 --- a/include/linux/ioport.h
82723 +++ b/include/linux/ioport.h
82724 @@ -161,7 +161,7 @@ struct resource *lookup_resource(struct resource *root, resource_size_t start);
82725 int adjust_resource(struct resource *res, resource_size_t start,
82726 resource_size_t size);
82727 resource_size_t resource_alignment(struct resource *res);
82728 -static inline resource_size_t resource_size(const struct resource *res)
82729 +static inline resource_size_t __intentional_overflow(-1) resource_size(const struct resource *res)
82730 {
82731 return res->end - res->start + 1;
82732 }
82733 diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
82734 index 35e7eca..6afb7ad 100644
82735 --- a/include/linux/ipc_namespace.h
82736 +++ b/include/linux/ipc_namespace.h
82737 @@ -69,7 +69,7 @@ struct ipc_namespace {
82738 struct user_namespace *user_ns;
82739
82740 unsigned int proc_inum;
82741 -};
82742 +} __randomize_layout;
82743
82744 extern struct ipc_namespace init_ipc_ns;
82745 extern atomic_t nr_ipc_ns;
82746 diff --git a/include/linux/irq.h b/include/linux/irq.h
82747 index 03f48d9..e86af0c 100644
82748 --- a/include/linux/irq.h
82749 +++ b/include/linux/irq.h
82750 @@ -352,7 +352,8 @@ struct irq_chip {
82751 void (*irq_release_resources)(struct irq_data *data);
82752
82753 unsigned long flags;
82754 -};
82755 +} __do_const;
82756 +typedef struct irq_chip __no_const irq_chip_no_const;
82757
82758 /*
82759 * irq_chip specific flags
82760 diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
82761 index 13eed92..3261c86 100644
82762 --- a/include/linux/irqchip/arm-gic.h
82763 +++ b/include/linux/irqchip/arm-gic.h
82764 @@ -91,9 +91,11 @@
82765
82766 #ifndef __ASSEMBLY__
82767
82768 +#include <linux/irq.h>
82769 +
82770 struct device_node;
82771
82772 -extern struct irq_chip gic_arch_extn;
82773 +extern irq_chip_no_const gic_arch_extn;
82774
82775 void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
82776 u32 offset, struct device_node *);
82777 diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
82778 index c367cbd..c9b79e6 100644
82779 --- a/include/linux/jiffies.h
82780 +++ b/include/linux/jiffies.h
82781 @@ -280,20 +280,20 @@ extern unsigned long preset_lpj;
82782 /*
82783 * Convert various time units to each other:
82784 */
82785 -extern unsigned int jiffies_to_msecs(const unsigned long j);
82786 -extern unsigned int jiffies_to_usecs(const unsigned long j);
82787 +extern unsigned int jiffies_to_msecs(const unsigned long j) __intentional_overflow(-1);
82788 +extern unsigned int jiffies_to_usecs(const unsigned long j) __intentional_overflow(-1);
82789
82790 -static inline u64 jiffies_to_nsecs(const unsigned long j)
82791 +static inline u64 __intentional_overflow(-1) jiffies_to_nsecs(const unsigned long j)
82792 {
82793 return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC;
82794 }
82795
82796 -extern unsigned long msecs_to_jiffies(const unsigned int m);
82797 -extern unsigned long usecs_to_jiffies(const unsigned int u);
82798 +extern unsigned long msecs_to_jiffies(const unsigned int m) __intentional_overflow(-1);
82799 +extern unsigned long usecs_to_jiffies(const unsigned int u) __intentional_overflow(-1);
82800 extern unsigned long timespec_to_jiffies(const struct timespec *value);
82801 extern void jiffies_to_timespec(const unsigned long jiffies,
82802 - struct timespec *value);
82803 -extern unsigned long timeval_to_jiffies(const struct timeval *value);
82804 + struct timespec *value) __intentional_overflow(-1);
82805 +extern unsigned long timeval_to_jiffies(const struct timeval *value) __intentional_overflow(-1);
82806 extern void jiffies_to_timeval(const unsigned long jiffies,
82807 struct timeval *value);
82808
82809 diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
82810 index 6883e19..e854fcb 100644
82811 --- a/include/linux/kallsyms.h
82812 +++ b/include/linux/kallsyms.h
82813 @@ -15,7 +15,8 @@
82814
82815 struct module;
82816
82817 -#ifdef CONFIG_KALLSYMS
82818 +#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS)
82819 +#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
82820 /* Lookup the address for a symbol. Returns 0 if not found. */
82821 unsigned long kallsyms_lookup_name(const char *name);
82822
82823 @@ -106,6 +107,21 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u
82824 /* Stupid that this does nothing, but I didn't create this mess. */
82825 #define __print_symbol(fmt, addr)
82826 #endif /*CONFIG_KALLSYMS*/
82827 +#else /* when included by kallsyms.c, vsnprintf.c, kprobes.c, or
82828 + arch/x86/kernel/dumpstack.c, with HIDESYM enabled */
82829 +extern unsigned long kallsyms_lookup_name(const char *name);
82830 +extern void __print_symbol(const char *fmt, unsigned long address);
82831 +extern int sprint_backtrace(char *buffer, unsigned long address);
82832 +extern int sprint_symbol(char *buffer, unsigned long address);
82833 +extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
82834 +const char *kallsyms_lookup(unsigned long addr,
82835 + unsigned long *symbolsize,
82836 + unsigned long *offset,
82837 + char **modname, char *namebuf);
82838 +extern int kallsyms_lookup_size_offset(unsigned long addr,
82839 + unsigned long *symbolsize,
82840 + unsigned long *offset);
82841 +#endif
82842
82843 /* This macro allows us to keep printk typechecking */
82844 static __printf(1, 2)
82845 diff --git a/include/linux/key-type.h b/include/linux/key-type.h
82846 index ff9f1d3..6712be5 100644
82847 --- a/include/linux/key-type.h
82848 +++ b/include/linux/key-type.h
82849 @@ -152,7 +152,7 @@ struct key_type {
82850 /* internal fields */
82851 struct list_head link; /* link in types list */
82852 struct lock_class_key lock_class; /* key->sem lock class */
82853 -};
82854 +} __do_const;
82855
82856 extern struct key_type key_type_keyring;
82857
82858 diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
82859 index e465bb1..19f605fd 100644
82860 --- a/include/linux/kgdb.h
82861 +++ b/include/linux/kgdb.h
82862 @@ -52,7 +52,7 @@ extern int kgdb_connected;
82863 extern int kgdb_io_module_registered;
82864
82865 extern atomic_t kgdb_setting_breakpoint;
82866 -extern atomic_t kgdb_cpu_doing_single_step;
82867 +extern atomic_unchecked_t kgdb_cpu_doing_single_step;
82868
82869 extern struct task_struct *kgdb_usethread;
82870 extern struct task_struct *kgdb_contthread;
82871 @@ -254,7 +254,7 @@ struct kgdb_arch {
82872 void (*correct_hw_break)(void);
82873
82874 void (*enable_nmi)(bool on);
82875 -};
82876 +} __do_const;
82877
82878 /**
82879 * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB.
82880 @@ -279,7 +279,7 @@ struct kgdb_io {
82881 void (*pre_exception) (void);
82882 void (*post_exception) (void);
82883 int is_console;
82884 -};
82885 +} __do_const;
82886
82887 extern struct kgdb_arch arch_kgdb_ops;
82888
82889 diff --git a/include/linux/kmod.h b/include/linux/kmod.h
82890 index 0555cc6..40116ce 100644
82891 --- a/include/linux/kmod.h
82892 +++ b/include/linux/kmod.h
82893 @@ -34,6 +34,8 @@ extern char modprobe_path[]; /* for sysctl */
82894 * usually useless though. */
82895 extern __printf(2, 3)
82896 int __request_module(bool wait, const char *name, ...);
82897 +extern __printf(3, 4)
82898 +int ___request_module(bool wait, char *param_name, const char *name, ...);
82899 #define request_module(mod...) __request_module(true, mod)
82900 #define request_module_nowait(mod...) __request_module(false, mod)
82901 #define try_then_request_module(x, mod...) \
82902 @@ -57,6 +59,9 @@ struct subprocess_info {
82903 struct work_struct work;
82904 struct completion *complete;
82905 char *path;
82906 +#ifdef CONFIG_GRKERNSEC
82907 + char *origpath;
82908 +#endif
82909 char **argv;
82910 char **envp;
82911 int wait;
82912 diff --git a/include/linux/kobject.h b/include/linux/kobject.h
82913 index 2d61b90..a1d0a13 100644
82914 --- a/include/linux/kobject.h
82915 +++ b/include/linux/kobject.h
82916 @@ -118,7 +118,7 @@ struct kobj_type {
82917 struct attribute **default_attrs;
82918 const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
82919 const void *(*namespace)(struct kobject *kobj);
82920 -};
82921 +} __do_const;
82922
82923 struct kobj_uevent_env {
82924 char *argv[3];
82925 @@ -142,6 +142,7 @@ struct kobj_attribute {
82926 ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr,
82927 const char *buf, size_t count);
82928 };
82929 +typedef struct kobj_attribute __no_const kobj_attribute_no_const;
82930
82931 extern const struct sysfs_ops kobj_sysfs_ops;
82932
82933 @@ -169,7 +170,7 @@ struct kset {
82934 spinlock_t list_lock;
82935 struct kobject kobj;
82936 const struct kset_uevent_ops *uevent_ops;
82937 -};
82938 +} __randomize_layout;
82939
82940 extern void kset_init(struct kset *kset);
82941 extern int __must_check kset_register(struct kset *kset);
82942 diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h
82943 index df32d25..fb52e27 100644
82944 --- a/include/linux/kobject_ns.h
82945 +++ b/include/linux/kobject_ns.h
82946 @@ -44,7 +44,7 @@ struct kobj_ns_type_operations {
82947 const void *(*netlink_ns)(struct sock *sk);
82948 const void *(*initial_ns)(void);
82949 void (*drop_ns)(void *);
82950 -};
82951 +} __do_const;
82952
82953 int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
82954 int kobj_ns_type_registered(enum kobj_ns_type type);
82955 diff --git a/include/linux/kref.h b/include/linux/kref.h
82956 index 484604d..0f6c5b6 100644
82957 --- a/include/linux/kref.h
82958 +++ b/include/linux/kref.h
82959 @@ -68,7 +68,7 @@ static inline void kref_get(struct kref *kref)
82960 static inline int kref_sub(struct kref *kref, unsigned int count,
82961 void (*release)(struct kref *kref))
82962 {
82963 - WARN_ON(release == NULL);
82964 + BUG_ON(release == NULL);
82965
82966 if (atomic_sub_and_test((int) count, &kref->refcount)) {
82967 release(kref);
82968 diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
82969 index a6059bd..8126d5c 100644
82970 --- a/include/linux/kvm_host.h
82971 +++ b/include/linux/kvm_host.h
82972 @@ -460,7 +460,7 @@ static inline void kvm_irqfd_exit(void)
82973 {
82974 }
82975 #endif
82976 -int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
82977 +int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
82978 struct module *module);
82979 void kvm_exit(void);
82980
82981 @@ -629,7 +629,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
82982 struct kvm_guest_debug *dbg);
82983 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
82984
82985 -int kvm_arch_init(void *opaque);
82986 +int kvm_arch_init(const void *opaque);
82987 void kvm_arch_exit(void);
82988
82989 int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
82990 diff --git a/include/linux/libata.h b/include/linux/libata.h
82991 index fe0bf8d..c511ca6 100644
82992 --- a/include/linux/libata.h
82993 +++ b/include/linux/libata.h
82994 @@ -977,7 +977,7 @@ struct ata_port_operations {
82995 * fields must be pointers.
82996 */
82997 const struct ata_port_operations *inherits;
82998 -};
82999 +} __do_const;
83000
83001 struct ata_port_info {
83002 unsigned long flags;
83003 diff --git a/include/linux/linkage.h b/include/linux/linkage.h
83004 index a6a42dd..6c5ebce 100644
83005 --- a/include/linux/linkage.h
83006 +++ b/include/linux/linkage.h
83007 @@ -36,6 +36,7 @@
83008 #endif
83009
83010 #define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE)
83011 +#define __page_aligned_rodata __read_only __aligned(PAGE_SIZE)
83012 #define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE)
83013
83014 /*
83015 diff --git a/include/linux/list.h b/include/linux/list.h
83016 index f33f831..1ffe5e2 100644
83017 --- a/include/linux/list.h
83018 +++ b/include/linux/list.h
83019 @@ -113,6 +113,19 @@ extern void __list_del_entry(struct list_head *entry);
83020 extern void list_del(struct list_head *entry);
83021 #endif
83022
83023 +extern void __pax_list_add(struct list_head *new,
83024 + struct list_head *prev,
83025 + struct list_head *next);
83026 +static inline void pax_list_add(struct list_head *new, struct list_head *head)
83027 +{
83028 + __pax_list_add(new, head, head->next);
83029 +}
83030 +static inline void pax_list_add_tail(struct list_head *new, struct list_head *head)
83031 +{
83032 + __pax_list_add(new, head->prev, head);
83033 +}
83034 +extern void pax_list_del(struct list_head *entry);
83035 +
83036 /**
83037 * list_replace - replace old entry by new one
83038 * @old : the element to be replaced
83039 @@ -146,6 +159,8 @@ static inline void list_del_init(struct list_head *entry)
83040 INIT_LIST_HEAD(entry);
83041 }
83042
83043 +extern void pax_list_del_init(struct list_head *entry);
83044 +
83045 /**
83046 * list_move - delete from one list and add as another's head
83047 * @list: the entry to move
83048 diff --git a/include/linux/lockref.h b/include/linux/lockref.h
83049 index 4bfde0e..d6e2e09 100644
83050 --- a/include/linux/lockref.h
83051 +++ b/include/linux/lockref.h
83052 @@ -47,4 +47,36 @@ static inline int __lockref_is_dead(const struct lockref *l)
83053 return ((int)l->count < 0);
83054 }
83055
83056 +static inline unsigned int __lockref_read(struct lockref *lockref)
83057 +{
83058 + return lockref->count;
83059 +}
83060 +
83061 +static inline void __lockref_set(struct lockref *lockref, unsigned int count)
83062 +{
83063 + lockref->count = count;
83064 +}
83065 +
83066 +static inline void __lockref_inc(struct lockref *lockref)
83067 +{
83068 +
83069 +#ifdef CONFIG_PAX_REFCOUNT
83070 + atomic_inc((atomic_t *)&lockref->count);
83071 +#else
83072 + lockref->count++;
83073 +#endif
83074 +
83075 +}
83076 +
83077 +static inline void __lockref_dec(struct lockref *lockref)
83078 +{
83079 +
83080 +#ifdef CONFIG_PAX_REFCOUNT
83081 + atomic_dec((atomic_t *)&lockref->count);
83082 +#else
83083 + lockref->count--;
83084 +#endif
83085 +
83086 +}
83087 +
83088 #endif /* __LINUX_LOCKREF_H */
83089 diff --git a/include/linux/math64.h b/include/linux/math64.h
83090 index c45c089..298841c 100644
83091 --- a/include/linux/math64.h
83092 +++ b/include/linux/math64.h
83093 @@ -15,7 +15,7 @@
83094 * This is commonly provided by 32bit archs to provide an optimized 64bit
83095 * divide.
83096 */
83097 -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
83098 +static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
83099 {
83100 *remainder = dividend % divisor;
83101 return dividend / divisor;
83102 @@ -42,7 +42,7 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
83103 /**
83104 * div64_u64 - unsigned 64bit divide with 64bit divisor
83105 */
83106 -static inline u64 div64_u64(u64 dividend, u64 divisor)
83107 +static inline u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor)
83108 {
83109 return dividend / divisor;
83110 }
83111 @@ -61,7 +61,7 @@ static inline s64 div64_s64(s64 dividend, s64 divisor)
83112 #define div64_ul(x, y) div_u64((x), (y))
83113
83114 #ifndef div_u64_rem
83115 -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
83116 +static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
83117 {
83118 *remainder = do_div(dividend, divisor);
83119 return dividend;
83120 @@ -77,7 +77,7 @@ extern u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder);
83121 #endif
83122
83123 #ifndef div64_u64
83124 -extern u64 div64_u64(u64 dividend, u64 divisor);
83125 +extern u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor);
83126 #endif
83127
83128 #ifndef div64_s64
83129 @@ -94,7 +94,7 @@ extern s64 div64_s64(s64 dividend, s64 divisor);
83130 * divide.
83131 */
83132 #ifndef div_u64
83133 -static inline u64 div_u64(u64 dividend, u32 divisor)
83134 +static inline u64 __intentional_overflow(-1) div_u64(u64 dividend, u32 divisor)
83135 {
83136 u32 remainder;
83137 return div_u64_rem(dividend, divisor, &remainder);
83138 diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
83139 index 3d385c8..deacb6a 100644
83140 --- a/include/linux/mempolicy.h
83141 +++ b/include/linux/mempolicy.h
83142 @@ -91,6 +91,10 @@ static inline struct mempolicy *mpol_dup(struct mempolicy *pol)
83143 }
83144
83145 #define vma_policy(vma) ((vma)->vm_policy)
83146 +static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol)
83147 +{
83148 + vma->vm_policy = pol;
83149 +}
83150
83151 static inline void mpol_get(struct mempolicy *pol)
83152 {
83153 @@ -229,6 +233,9 @@ static inline void mpol_free_shared_policy(struct shared_policy *p)
83154 }
83155
83156 #define vma_policy(vma) NULL
83157 +static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol)
83158 +{
83159 +}
83160
83161 static inline int
83162 vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst)
83163 diff --git a/include/linux/mm.h b/include/linux/mm.h
83164 index 5ab2da9..5f0b3df 100644
83165 --- a/include/linux/mm.h
83166 +++ b/include/linux/mm.h
83167 @@ -128,6 +128,11 @@ extern unsigned int kobjsize(const void *objp);
83168 #define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */
83169 #define VM_NONLINEAR 0x00800000 /* Is non-linear (remap_file_pages) */
83170 #define VM_ARCH_1 0x01000000 /* Architecture-specific flag */
83171 +
83172 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
83173 +#define VM_PAGEEXEC 0x02000000 /* vma->vm_page_prot needs special handling */
83174 +#endif
83175 +
83176 #define VM_DONTDUMP 0x04000000 /* Do not include in the core dump */
83177
83178 #ifdef CONFIG_MEM_SOFT_DIRTY
83179 @@ -238,8 +243,8 @@ struct vm_operations_struct {
83180 /* called by access_process_vm when get_user_pages() fails, typically
83181 * for use by special VMAs that can switch between memory and hardware
83182 */
83183 - int (*access)(struct vm_area_struct *vma, unsigned long addr,
83184 - void *buf, int len, int write);
83185 + ssize_t (*access)(struct vm_area_struct *vma, unsigned long addr,
83186 + void *buf, size_t len, int write);
83187
83188 /* Called by the /proc/PID/maps code to ask the vma whether it
83189 * has a special name. Returning non-NULL will also cause this
83190 @@ -275,6 +280,7 @@ struct vm_operations_struct {
83191 int (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,
83192 unsigned long size, pgoff_t pgoff);
83193 };
83194 +typedef struct vm_operations_struct __no_const vm_operations_struct_no_const;
83195
83196 struct mmu_gather;
83197 struct inode;
83198 @@ -1165,8 +1171,8 @@ int follow_pfn(struct vm_area_struct *vma, unsigned long address,
83199 unsigned long *pfn);
83200 int follow_phys(struct vm_area_struct *vma, unsigned long address,
83201 unsigned int flags, unsigned long *prot, resource_size_t *phys);
83202 -int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
83203 - void *buf, int len, int write);
83204 +ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
83205 + void *buf, size_t len, int write);
83206
83207 static inline void unmap_shared_mapping_range(struct address_space *mapping,
83208 loff_t const holebegin, loff_t const holelen)
83209 @@ -1206,9 +1212,9 @@ static inline int fixup_user_fault(struct task_struct *tsk,
83210 }
83211 #endif
83212
83213 -extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
83214 -extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
83215 - void *buf, int len, int write);
83216 +extern ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write);
83217 +extern ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr,
83218 + void *buf, size_t len, int write);
83219
83220 long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
83221 unsigned long start, unsigned long nr_pages,
83222 @@ -1240,34 +1246,6 @@ int set_page_dirty_lock(struct page *page);
83223 int clear_page_dirty_for_io(struct page *page);
83224 int get_cmdline(struct task_struct *task, char *buffer, int buflen);
83225
83226 -/* Is the vma a continuation of the stack vma above it? */
83227 -static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
83228 -{
83229 - return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
83230 -}
83231 -
83232 -static inline int stack_guard_page_start(struct vm_area_struct *vma,
83233 - unsigned long addr)
83234 -{
83235 - return (vma->vm_flags & VM_GROWSDOWN) &&
83236 - (vma->vm_start == addr) &&
83237 - !vma_growsdown(vma->vm_prev, addr);
83238 -}
83239 -
83240 -/* Is the vma a continuation of the stack vma below it? */
83241 -static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)
83242 -{
83243 - return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);
83244 -}
83245 -
83246 -static inline int stack_guard_page_end(struct vm_area_struct *vma,
83247 - unsigned long addr)
83248 -{
83249 - return (vma->vm_flags & VM_GROWSUP) &&
83250 - (vma->vm_end == addr) &&
83251 - !vma_growsup(vma->vm_next, addr);
83252 -}
83253 -
83254 extern struct task_struct *task_of_stack(struct task_struct *task,
83255 struct vm_area_struct *vma, bool in_group);
83256
83257 @@ -1385,8 +1363,15 @@ static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd,
83258 {
83259 return 0;
83260 }
83261 +
83262 +static inline int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd,
83263 + unsigned long address)
83264 +{
83265 + return 0;
83266 +}
83267 #else
83268 int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
83269 +int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
83270 #endif
83271
83272 #ifdef __PAGETABLE_PMD_FOLDED
83273 @@ -1395,8 +1380,15 @@ static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
83274 {
83275 return 0;
83276 }
83277 +
83278 +static inline int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud,
83279 + unsigned long address)
83280 +{
83281 + return 0;
83282 +}
83283 #else
83284 int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
83285 +int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address);
83286 #endif
83287
83288 int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
83289 @@ -1414,11 +1406,23 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long a
83290 NULL: pud_offset(pgd, address);
83291 }
83292
83293 +static inline pud_t *pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
83294 +{
83295 + return (unlikely(pgd_none(*pgd)) && __pud_alloc_kernel(mm, pgd, address))?
83296 + NULL: pud_offset(pgd, address);
83297 +}
83298 +
83299 static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
83300 {
83301 return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
83302 NULL: pmd_offset(pud, address);
83303 }
83304 +
83305 +static inline pmd_t *pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
83306 +{
83307 + return (unlikely(pud_none(*pud)) && __pmd_alloc_kernel(mm, pud, address))?
83308 + NULL: pmd_offset(pud, address);
83309 +}
83310 #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
83311
83312 #if USE_SPLIT_PTE_PTLOCKS
83313 @@ -1801,12 +1805,23 @@ extern struct vm_area_struct *copy_vma(struct vm_area_struct **,
83314 bool *need_rmap_locks);
83315 extern void exit_mmap(struct mm_struct *);
83316
83317 +#if defined(CONFIG_GRKERNSEC) && (defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC))
83318 +extern void gr_learn_resource(const struct task_struct *task, const int res,
83319 + const unsigned long wanted, const int gt);
83320 +#else
83321 +static inline void gr_learn_resource(const struct task_struct *task, const int res,
83322 + const unsigned long wanted, const int gt)
83323 +{
83324 +}
83325 +#endif
83326 +
83327 static inline int check_data_rlimit(unsigned long rlim,
83328 unsigned long new,
83329 unsigned long start,
83330 unsigned long end_data,
83331 unsigned long start_data)
83332 {
83333 + gr_learn_resource(current, RLIMIT_DATA, (new - start) + (end_data - start_data), 1);
83334 if (rlim < RLIM_INFINITY) {
83335 if (((new - start) + (end_data - start_data)) > rlim)
83336 return -ENOSPC;
83337 @@ -1831,7 +1846,7 @@ extern int install_special_mapping(struct mm_struct *mm,
83338 unsigned long addr, unsigned long len,
83339 unsigned long flags, struct page **pages);
83340
83341 -extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
83342 +extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) __intentional_overflow(-1);
83343
83344 extern unsigned long mmap_region(struct file *file, unsigned long addr,
83345 unsigned long len, vm_flags_t vm_flags, unsigned long pgoff);
83346 @@ -1839,6 +1854,7 @@ extern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
83347 unsigned long len, unsigned long prot, unsigned long flags,
83348 unsigned long pgoff, unsigned long *populate);
83349 extern int do_munmap(struct mm_struct *, unsigned long, size_t);
83350 +extern int __do_munmap(struct mm_struct *, unsigned long, size_t);
83351
83352 #ifdef CONFIG_MMU
83353 extern int __mm_populate(unsigned long addr, unsigned long len,
83354 @@ -1867,10 +1883,11 @@ struct vm_unmapped_area_info {
83355 unsigned long high_limit;
83356 unsigned long align_mask;
83357 unsigned long align_offset;
83358 + unsigned long threadstack_offset;
83359 };
83360
83361 -extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);
83362 -extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);
83363 +extern unsigned long unmapped_area(const struct vm_unmapped_area_info *info);
83364 +extern unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info);
83365
83366 /*
83367 * Search for an unmapped address range.
83368 @@ -1882,7 +1899,7 @@ extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);
83369 * - satisfies (begin_addr & align_mask) == (align_offset & align_mask)
83370 */
83371 static inline unsigned long
83372 -vm_unmapped_area(struct vm_unmapped_area_info *info)
83373 +vm_unmapped_area(const struct vm_unmapped_area_info *info)
83374 {
83375 if (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))
83376 return unmapped_area(info);
83377 @@ -1944,6 +1961,10 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add
83378 extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
83379 struct vm_area_struct **pprev);
83380
83381 +extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma);
83382 +extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma);
83383 +extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl);
83384 +
83385 /* Look up the first VMA which intersects the interval start_addr..end_addr-1,
83386 NULL if none. Assume start_addr < end_addr. */
83387 static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)
83388 @@ -1973,10 +1994,10 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
83389 }
83390
83391 #ifdef CONFIG_MMU
83392 -pgprot_t vm_get_page_prot(unsigned long vm_flags);
83393 +pgprot_t vm_get_page_prot(vm_flags_t vm_flags);
83394 void vma_set_page_prot(struct vm_area_struct *vma);
83395 #else
83396 -static inline pgprot_t vm_get_page_prot(unsigned long vm_flags)
83397 +static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
83398 {
83399 return __pgprot(0);
83400 }
83401 @@ -2038,6 +2059,11 @@ void vm_stat_account(struct mm_struct *, unsigned long, struct file *, long);
83402 static inline void vm_stat_account(struct mm_struct *mm,
83403 unsigned long flags, struct file *file, long pages)
83404 {
83405 +
83406 +#ifdef CONFIG_PAX_RANDMMAP
83407 + if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)))
83408 +#endif
83409 +
83410 mm->total_vm += pages;
83411 }
83412 #endif /* CONFIG_PROC_FS */
83413 @@ -2126,7 +2152,7 @@ extern int unpoison_memory(unsigned long pfn);
83414 extern int sysctl_memory_failure_early_kill;
83415 extern int sysctl_memory_failure_recovery;
83416 extern void shake_page(struct page *p, int access);
83417 -extern atomic_long_t num_poisoned_pages;
83418 +extern atomic_long_unchecked_t num_poisoned_pages;
83419 extern int soft_offline_page(struct page *page, int flags);
83420
83421 #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)
83422 @@ -2161,5 +2187,11 @@ void __init setup_nr_node_ids(void);
83423 static inline void setup_nr_node_ids(void) {}
83424 #endif
83425
83426 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
83427 +extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot);
83428 +#else
83429 +static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {}
83430 +#endif
83431 +
83432 #endif /* __KERNEL__ */
83433 #endif /* _LINUX_MM_H */
83434 diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
83435 index 6e0b286..90d9c0d 100644
83436 --- a/include/linux/mm_types.h
83437 +++ b/include/linux/mm_types.h
83438 @@ -308,7 +308,9 @@ struct vm_area_struct {
83439 #ifdef CONFIG_NUMA
83440 struct mempolicy *vm_policy; /* NUMA policy for the VMA */
83441 #endif
83442 -};
83443 +
83444 + struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */
83445 +} __randomize_layout;
83446
83447 struct core_thread {
83448 struct task_struct *task;
83449 @@ -454,7 +456,25 @@ struct mm_struct {
83450 bool tlb_flush_pending;
83451 #endif
83452 struct uprobes_state uprobes_state;
83453 -};
83454 +
83455 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
83456 + unsigned long pax_flags;
83457 +#endif
83458 +
83459 +#ifdef CONFIG_PAX_DLRESOLVE
83460 + unsigned long call_dl_resolve;
83461 +#endif
83462 +
83463 +#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT)
83464 + unsigned long call_syscall;
83465 +#endif
83466 +
83467 +#ifdef CONFIG_PAX_ASLR
83468 + unsigned long delta_mmap; /* randomized offset */
83469 + unsigned long delta_stack; /* randomized offset */
83470 +#endif
83471 +
83472 +} __randomize_layout;
83473
83474 static inline void mm_init_cpumask(struct mm_struct *mm)
83475 {
83476 diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
83477 index c5d5278..f0b68c8 100644
83478 --- a/include/linux/mmiotrace.h
83479 +++ b/include/linux/mmiotrace.h
83480 @@ -46,7 +46,7 @@ extern int kmmio_handler(struct pt_regs *regs, unsigned long addr);
83481 /* Called from ioremap.c */
83482 extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
83483 void __iomem *addr);
83484 -extern void mmiotrace_iounmap(volatile void __iomem *addr);
83485 +extern void mmiotrace_iounmap(const volatile void __iomem *addr);
83486
83487 /* For anyone to insert markers. Remember trailing newline. */
83488 extern __printf(1, 2) int mmiotrace_printk(const char *fmt, ...);
83489 @@ -66,7 +66,7 @@ static inline void mmiotrace_ioremap(resource_size_t offset,
83490 {
83491 }
83492
83493 -static inline void mmiotrace_iounmap(volatile void __iomem *addr)
83494 +static inline void mmiotrace_iounmap(const volatile void __iomem *addr)
83495 {
83496 }
83497
83498 diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
83499 index ffe66e3..b310722 100644
83500 --- a/include/linux/mmzone.h
83501 +++ b/include/linux/mmzone.h
83502 @@ -527,7 +527,7 @@ struct zone {
83503
83504 ZONE_PADDING(_pad3_)
83505 /* Zone statistics */
83506 - atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
83507 + atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
83508 } ____cacheline_internodealigned_in_smp;
83509
83510 enum zone_flags {
83511 diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
83512 index 44eeef0..a92d3f9 100644
83513 --- a/include/linux/mod_devicetable.h
83514 +++ b/include/linux/mod_devicetable.h
83515 @@ -139,7 +139,7 @@ struct usb_device_id {
83516 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
83517 #define USB_DEVICE_ID_MATCH_INT_NUMBER 0x0400
83518
83519 -#define HID_ANY_ID (~0)
83520 +#define HID_ANY_ID (~0U)
83521 #define HID_BUS_ANY 0xffff
83522 #define HID_GROUP_ANY 0x0000
83523
83524 @@ -475,7 +475,7 @@ struct dmi_system_id {
83525 const char *ident;
83526 struct dmi_strmatch matches[4];
83527 void *driver_data;
83528 -};
83529 +} __do_const;
83530 /*
83531 * struct dmi_device_id appears during expansion of
83532 * "MODULE_DEVICE_TABLE(dmi, x)". Compiler doesn't look inside it
83533 diff --git a/include/linux/module.h b/include/linux/module.h
83534 index 71f282a..b2387e2 100644
83535 --- a/include/linux/module.h
83536 +++ b/include/linux/module.h
83537 @@ -17,9 +17,11 @@
83538 #include <linux/moduleparam.h>
83539 #include <linux/jump_label.h>
83540 #include <linux/export.h>
83541 +#include <linux/fs.h>
83542
83543 #include <linux/percpu.h>
83544 #include <asm/module.h>
83545 +#include <asm/pgtable.h>
83546
83547 /* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */
83548 #define MODULE_SIG_STRING "~Module signature appended~\n"
83549 @@ -42,7 +44,7 @@ struct module_kobject {
83550 struct kobject *drivers_dir;
83551 struct module_param_attrs *mp;
83552 struct completion *kobj_completion;
83553 -};
83554 +} __randomize_layout;
83555
83556 struct module_attribute {
83557 struct attribute attr;
83558 @@ -54,12 +56,13 @@ struct module_attribute {
83559 int (*test)(struct module *);
83560 void (*free)(struct module *);
83561 };
83562 +typedef struct module_attribute __no_const module_attribute_no_const;
83563
83564 struct module_version_attribute {
83565 struct module_attribute mattr;
83566 const char *module_name;
83567 const char *version;
83568 -} __attribute__ ((__aligned__(sizeof(void *))));
83569 +} __do_const __attribute__ ((__aligned__(sizeof(void *))));
83570
83571 extern ssize_t __modver_version_show(struct module_attribute *,
83572 struct module_kobject *, char *);
83573 @@ -235,7 +238,7 @@ struct module {
83574
83575 /* Sysfs stuff. */
83576 struct module_kobject mkobj;
83577 - struct module_attribute *modinfo_attrs;
83578 + module_attribute_no_const *modinfo_attrs;
83579 const char *version;
83580 const char *srcversion;
83581 struct kobject *holders_dir;
83582 @@ -284,19 +287,16 @@ struct module {
83583 int (*init)(void);
83584
83585 /* If this is non-NULL, vfree after init() returns */
83586 - void *module_init;
83587 + void *module_init_rx, *module_init_rw;
83588
83589 /* Here is the actual code + data, vfree'd on unload. */
83590 - void *module_core;
83591 + void *module_core_rx, *module_core_rw;
83592
83593 /* Here are the sizes of the init and core sections */
83594 - unsigned int init_size, core_size;
83595 + unsigned int init_size_rw, core_size_rw;
83596
83597 /* The size of the executable code in each section. */
83598 - unsigned int init_text_size, core_text_size;
83599 -
83600 - /* Size of RO sections of the module (text+rodata) */
83601 - unsigned int init_ro_size, core_ro_size;
83602 + unsigned int init_size_rx, core_size_rx;
83603
83604 /* Arch-specific module values */
83605 struct mod_arch_specific arch;
83606 @@ -352,6 +352,10 @@ struct module {
83607 #ifdef CONFIG_EVENT_TRACING
83608 struct ftrace_event_call **trace_events;
83609 unsigned int num_trace_events;
83610 + struct file_operations trace_id;
83611 + struct file_operations trace_enable;
83612 + struct file_operations trace_format;
83613 + struct file_operations trace_filter;
83614 #endif
83615 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
83616 unsigned int num_ftrace_callsites;
83617 @@ -375,7 +379,7 @@ struct module {
83618 ctor_fn_t *ctors;
83619 unsigned int num_ctors;
83620 #endif
83621 -};
83622 +} __randomize_layout;
83623 #ifndef MODULE_ARCH_INIT
83624 #define MODULE_ARCH_INIT {}
83625 #endif
83626 @@ -396,18 +400,48 @@ bool is_module_address(unsigned long addr);
83627 bool is_module_percpu_address(unsigned long addr);
83628 bool is_module_text_address(unsigned long addr);
83629
83630 +static inline int within_module_range(unsigned long addr, void *start, unsigned long size)
83631 +{
83632 +
83633 +#ifdef CONFIG_PAX_KERNEXEC
83634 + if (ktla_ktva(addr) >= (unsigned long)start &&
83635 + ktla_ktva(addr) < (unsigned long)start + size)
83636 + return 1;
83637 +#endif
83638 +
83639 + return ((void *)addr >= start && (void *)addr < start + size);
83640 +}
83641 +
83642 +static inline int within_module_core_rx(unsigned long addr, const struct module *mod)
83643 +{
83644 + return within_module_range(addr, mod->module_core_rx, mod->core_size_rx);
83645 +}
83646 +
83647 +static inline int within_module_core_rw(unsigned long addr, const struct module *mod)
83648 +{
83649 + return within_module_range(addr, mod->module_core_rw, mod->core_size_rw);
83650 +}
83651 +
83652 +static inline int within_module_init_rx(unsigned long addr, const struct module *mod)
83653 +{
83654 + return within_module_range(addr, mod->module_init_rx, mod->init_size_rx);
83655 +}
83656 +
83657 +static inline int within_module_init_rw(unsigned long addr, const struct module *mod)
83658 +{
83659 + return within_module_range(addr, mod->module_init_rw, mod->init_size_rw);
83660 +}
83661 +
83662 static inline bool within_module_core(unsigned long addr,
83663 const struct module *mod)
83664 {
83665 - return (unsigned long)mod->module_core <= addr &&
83666 - addr < (unsigned long)mod->module_core + mod->core_size;
83667 + return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod);
83668 }
83669
83670 static inline bool within_module_init(unsigned long addr,
83671 const struct module *mod)
83672 {
83673 - return (unsigned long)mod->module_init <= addr &&
83674 - addr < (unsigned long)mod->module_init + mod->init_size;
83675 + return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod);
83676 }
83677
83678 static inline bool within_module(unsigned long addr, const struct module *mod)
83679 diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
83680 index 7eeb9bb..68f37e0 100644
83681 --- a/include/linux/moduleloader.h
83682 +++ b/include/linux/moduleloader.h
83683 @@ -25,9 +25,21 @@ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
83684 sections. Returns NULL on failure. */
83685 void *module_alloc(unsigned long size);
83686
83687 +#ifdef CONFIG_PAX_KERNEXEC
83688 +void *module_alloc_exec(unsigned long size);
83689 +#else
83690 +#define module_alloc_exec(x) module_alloc(x)
83691 +#endif
83692 +
83693 /* Free memory returned from module_alloc. */
83694 void module_free(struct module *mod, void *module_region);
83695
83696 +#ifdef CONFIG_PAX_KERNEXEC
83697 +void module_free_exec(struct module *mod, void *module_region);
83698 +#else
83699 +#define module_free_exec(x, y) module_free((x), (y))
83700 +#endif
83701 +
83702 /*
83703 * Apply the given relocation to the (simplified) ELF. Return -error
83704 * or 0.
83705 @@ -45,8 +57,10 @@ static inline int apply_relocate(Elf_Shdr *sechdrs,
83706 unsigned int relsec,
83707 struct module *me)
83708 {
83709 +#ifdef CONFIG_MODULES
83710 printk(KERN_ERR "module %s: REL relocation unsupported\n",
83711 module_name(me));
83712 +#endif
83713 return -ENOEXEC;
83714 }
83715 #endif
83716 @@ -68,8 +82,10 @@ static inline int apply_relocate_add(Elf_Shdr *sechdrs,
83717 unsigned int relsec,
83718 struct module *me)
83719 {
83720 +#ifdef CONFIG_MODULES
83721 printk(KERN_ERR "module %s: REL relocation unsupported\n",
83722 module_name(me));
83723 +#endif
83724 return -ENOEXEC;
83725 }
83726 #endif
83727 diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
83728 index 1c9effa..1160bdd 100644
83729 --- a/include/linux/moduleparam.h
83730 +++ b/include/linux/moduleparam.h
83731 @@ -323,7 +323,7 @@ static inline void __kernel_param_unlock(void)
83732 * @len is usually just sizeof(string).
83733 */
83734 #define module_param_string(name, string, len, perm) \
83735 - static const struct kparam_string __param_string_##name \
83736 + static const struct kparam_string __param_string_##name __used \
83737 = { len, string }; \
83738 __module_param_call(MODULE_PARAM_PREFIX, name, \
83739 &param_ops_string, \
83740 @@ -467,7 +467,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp);
83741 */
83742 #define module_param_array_named(name, array, type, nump, perm) \
83743 param_check_##type(name, &(array)[0]); \
83744 - static const struct kparam_array __param_arr_##name \
83745 + static const struct kparam_array __param_arr_##name __used \
83746 = { .max = ARRAY_SIZE(array), .num = nump, \
83747 .ops = &param_ops_##type, \
83748 .elemsize = sizeof(array[0]), .elem = array }; \
83749 diff --git a/include/linux/mount.h b/include/linux/mount.h
83750 index c2c561d..a5f2a8c 100644
83751 --- a/include/linux/mount.h
83752 +++ b/include/linux/mount.h
83753 @@ -66,7 +66,7 @@ struct vfsmount {
83754 struct dentry *mnt_root; /* root of the mounted tree */
83755 struct super_block *mnt_sb; /* pointer to superblock */
83756 int mnt_flags;
83757 -};
83758 +} __randomize_layout;
83759
83760 struct file; /* forward dec */
83761 struct path;
83762 diff --git a/include/linux/namei.h b/include/linux/namei.h
83763 index 492de72..1bddcd4 100644
83764 --- a/include/linux/namei.h
83765 +++ b/include/linux/namei.h
83766 @@ -19,7 +19,7 @@ struct nameidata {
83767 unsigned seq, m_seq;
83768 int last_type;
83769 unsigned depth;
83770 - char *saved_names[MAX_NESTED_LINKS + 1];
83771 + const char *saved_names[MAX_NESTED_LINKS + 1];
83772 };
83773
83774 /*
83775 @@ -83,12 +83,12 @@ extern void unlock_rename(struct dentry *, struct dentry *);
83776
83777 extern void nd_jump_link(struct nameidata *nd, struct path *path);
83778
83779 -static inline void nd_set_link(struct nameidata *nd, char *path)
83780 +static inline void nd_set_link(struct nameidata *nd, const char *path)
83781 {
83782 nd->saved_names[nd->depth] = path;
83783 }
83784
83785 -static inline char *nd_get_link(struct nameidata *nd)
83786 +static inline const char *nd_get_link(const struct nameidata *nd)
83787 {
83788 return nd->saved_names[nd->depth];
83789 }
83790 diff --git a/include/linux/net.h b/include/linux/net.h
83791 index 17d8339..81656c0 100644
83792 --- a/include/linux/net.h
83793 +++ b/include/linux/net.h
83794 @@ -192,7 +192,7 @@ struct net_proto_family {
83795 int (*create)(struct net *net, struct socket *sock,
83796 int protocol, int kern);
83797 struct module *owner;
83798 -};
83799 +} __do_const;
83800
83801 struct iovec;
83802 struct kvec;
83803 diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
83804 index 22339b4..4b4d5b3 100644
83805 --- a/include/linux/netdevice.h
83806 +++ b/include/linux/netdevice.h
83807 @@ -1160,6 +1160,7 @@ struct net_device_ops {
83808 struct net_device *dev,
83809 netdev_features_t features);
83810 };
83811 +typedef struct net_device_ops __no_const net_device_ops_no_const;
83812
83813 /**
83814 * enum net_device_priv_flags - &struct net_device priv_flags
83815 @@ -1502,10 +1503,10 @@ struct net_device {
83816
83817 struct net_device_stats stats;
83818
83819 - atomic_long_t rx_dropped;
83820 - atomic_long_t tx_dropped;
83821 + atomic_long_unchecked_t rx_dropped;
83822 + atomic_long_unchecked_t tx_dropped;
83823
83824 - atomic_t carrier_changes;
83825 + atomic_unchecked_t carrier_changes;
83826
83827 #ifdef CONFIG_WIRELESS_EXT
83828 const struct iw_handler_def * wireless_handlers;
83829 diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
83830 index 2517ece..0bbfcfb 100644
83831 --- a/include/linux/netfilter.h
83832 +++ b/include/linux/netfilter.h
83833 @@ -85,7 +85,7 @@ struct nf_sockopt_ops {
83834 #endif
83835 /* Use the module struct to lock set/get code in place */
83836 struct module *owner;
83837 -};
83838 +} __do_const;
83839
83840 /* Function to register/unregister hook points. */
83841 int nf_register_hook(struct nf_hook_ops *reg);
83842 diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
83843 index e955d47..04a5338 100644
83844 --- a/include/linux/netfilter/nfnetlink.h
83845 +++ b/include/linux/netfilter/nfnetlink.h
83846 @@ -19,7 +19,7 @@ struct nfnl_callback {
83847 const struct nlattr * const cda[]);
83848 const struct nla_policy *policy; /* netlink attribute policy */
83849 const u_int16_t attr_count; /* number of nlattr's */
83850 -};
83851 +} __do_const;
83852
83853 struct nfnetlink_subsystem {
83854 const char *name;
83855 diff --git a/include/linux/netfilter/xt_gradm.h b/include/linux/netfilter/xt_gradm.h
83856 new file mode 100644
83857 index 0000000..33f4af8
83858 --- /dev/null
83859 +++ b/include/linux/netfilter/xt_gradm.h
83860 @@ -0,0 +1,9 @@
83861 +#ifndef _LINUX_NETFILTER_XT_GRADM_H
83862 +#define _LINUX_NETFILTER_XT_GRADM_H 1
83863 +
83864 +struct xt_gradm_mtinfo {
83865 + __u16 flags;
83866 + __u16 invflags;
83867 +};
83868 +
83869 +#endif
83870 diff --git a/include/linux/nls.h b/include/linux/nls.h
83871 index 520681b..2b7fabb 100644
83872 --- a/include/linux/nls.h
83873 +++ b/include/linux/nls.h
83874 @@ -31,7 +31,7 @@ struct nls_table {
83875 const unsigned char *charset2upper;
83876 struct module *owner;
83877 struct nls_table *next;
83878 -};
83879 +} __do_const;
83880
83881 /* this value hold the maximum octet of charset */
83882 #define NLS_MAX_CHARSET_SIZE 6 /* for UTF-8 */
83883 @@ -46,7 +46,7 @@ enum utf16_endian {
83884 /* nls_base.c */
83885 extern int __register_nls(struct nls_table *, struct module *);
83886 extern int unregister_nls(struct nls_table *);
83887 -extern struct nls_table *load_nls(char *);
83888 +extern struct nls_table *load_nls(const char *);
83889 extern void unload_nls(struct nls_table *);
83890 extern struct nls_table *load_nls_default(void);
83891 #define register_nls(nls) __register_nls((nls), THIS_MODULE)
83892 diff --git a/include/linux/notifier.h b/include/linux/notifier.h
83893 index d14a4c3..a078786 100644
83894 --- a/include/linux/notifier.h
83895 +++ b/include/linux/notifier.h
83896 @@ -54,7 +54,8 @@ struct notifier_block {
83897 notifier_fn_t notifier_call;
83898 struct notifier_block __rcu *next;
83899 int priority;
83900 -};
83901 +} __do_const;
83902 +typedef struct notifier_block __no_const notifier_block_no_const;
83903
83904 struct atomic_notifier_head {
83905 spinlock_t lock;
83906 diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
83907 index b2a0f15..4d7da32 100644
83908 --- a/include/linux/oprofile.h
83909 +++ b/include/linux/oprofile.h
83910 @@ -138,9 +138,9 @@ int oprofilefs_create_ulong(struct dentry * root,
83911 int oprofilefs_create_ro_ulong(struct dentry * root,
83912 char const * name, ulong * val);
83913
83914 -/** Create a file for read-only access to an atomic_t. */
83915 +/** Create a file for read-only access to an atomic_unchecked_t. */
83916 int oprofilefs_create_ro_atomic(struct dentry * root,
83917 - char const * name, atomic_t * val);
83918 + char const * name, atomic_unchecked_t * val);
83919
83920 /** create a directory */
83921 struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name);
83922 diff --git a/include/linux/padata.h b/include/linux/padata.h
83923 index 4386946..f50c615 100644
83924 --- a/include/linux/padata.h
83925 +++ b/include/linux/padata.h
83926 @@ -129,7 +129,7 @@ struct parallel_data {
83927 struct padata_serial_queue __percpu *squeue;
83928 atomic_t reorder_objects;
83929 atomic_t refcnt;
83930 - atomic_t seq_nr;
83931 + atomic_unchecked_t seq_nr;
83932 struct padata_cpumask cpumask;
83933 spinlock_t lock ____cacheline_aligned;
83934 unsigned int processed;
83935 diff --git a/include/linux/path.h b/include/linux/path.h
83936 index d137218..be0c176 100644
83937 --- a/include/linux/path.h
83938 +++ b/include/linux/path.h
83939 @@ -1,13 +1,15 @@
83940 #ifndef _LINUX_PATH_H
83941 #define _LINUX_PATH_H
83942
83943 +#include <linux/compiler.h>
83944 +
83945 struct dentry;
83946 struct vfsmount;
83947
83948 struct path {
83949 struct vfsmount *mnt;
83950 struct dentry *dentry;
83951 -};
83952 +} __randomize_layout;
83953
83954 extern void path_get(const struct path *);
83955 extern void path_put(const struct path *);
83956 diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
83957 index 2706ee9..e691f7c 100644
83958 --- a/include/linux/pci_hotplug.h
83959 +++ b/include/linux/pci_hotplug.h
83960 @@ -71,7 +71,8 @@ struct hotplug_slot_ops {
83961 int (*get_latch_status) (struct hotplug_slot *slot, u8 *value);
83962 int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value);
83963 int (*reset_slot) (struct hotplug_slot *slot, int probe);
83964 -};
83965 +} __do_const;
83966 +typedef struct hotplug_slot_ops __no_const hotplug_slot_ops_no_const;
83967
83968 /**
83969 * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot
83970 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
83971 index 893a0d0..d5f996e 100644
83972 --- a/include/linux/perf_event.h
83973 +++ b/include/linux/perf_event.h
83974 @@ -341,8 +341,8 @@ struct perf_event {
83975
83976 enum perf_event_active_state state;
83977 unsigned int attach_state;
83978 - local64_t count;
83979 - atomic64_t child_count;
83980 + local64_t count; /* PaX: fix it one day */
83981 + atomic64_unchecked_t child_count;
83982
83983 /*
83984 * These are the total time in nanoseconds that the event
83985 @@ -393,8 +393,8 @@ struct perf_event {
83986 * These accumulate total time (in nanoseconds) that children
83987 * events have been enabled and running, respectively.
83988 */
83989 - atomic64_t child_total_time_enabled;
83990 - atomic64_t child_total_time_running;
83991 + atomic64_unchecked_t child_total_time_enabled;
83992 + atomic64_unchecked_t child_total_time_running;
83993
83994 /*
83995 * Protect attach/detach and child_list:
83996 @@ -734,7 +734,7 @@ static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64
83997 entry->ip[entry->nr++] = ip;
83998 }
83999
84000 -extern int sysctl_perf_event_paranoid;
84001 +extern int sysctl_perf_event_legitimately_concerned;
84002 extern int sysctl_perf_event_mlock;
84003 extern int sysctl_perf_event_sample_rate;
84004 extern int sysctl_perf_cpu_time_max_percent;
84005 @@ -749,19 +749,24 @@ extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
84006 loff_t *ppos);
84007
84008
84009 +static inline bool perf_paranoid_any(void)
84010 +{
84011 + return sysctl_perf_event_legitimately_concerned > 2;
84012 +}
84013 +
84014 static inline bool perf_paranoid_tracepoint_raw(void)
84015 {
84016 - return sysctl_perf_event_paranoid > -1;
84017 + return sysctl_perf_event_legitimately_concerned > -1;
84018 }
84019
84020 static inline bool perf_paranoid_cpu(void)
84021 {
84022 - return sysctl_perf_event_paranoid > 0;
84023 + return sysctl_perf_event_legitimately_concerned > 0;
84024 }
84025
84026 static inline bool perf_paranoid_kernel(void)
84027 {
84028 - return sysctl_perf_event_paranoid > 1;
84029 + return sysctl_perf_event_legitimately_concerned > 1;
84030 }
84031
84032 extern void perf_event_init(void);
84033 @@ -892,7 +897,7 @@ struct perf_pmu_events_attr {
84034 struct device_attribute attr;
84035 u64 id;
84036 const char *event_str;
84037 -};
84038 +} __do_const;
84039
84040 #define PMU_EVENT_ATTR(_name, _var, _id, _show) \
84041 static struct perf_pmu_events_attr _var = { \
84042 diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
84043 index 1997ffc..4f1f44d 100644
84044 --- a/include/linux/pid_namespace.h
84045 +++ b/include/linux/pid_namespace.h
84046 @@ -44,7 +44,7 @@ struct pid_namespace {
84047 int hide_pid;
84048 int reboot; /* group exit code if this pidns was rebooted */
84049 unsigned int proc_inum;
84050 -};
84051 +} __randomize_layout;
84052
84053 extern struct pid_namespace init_pid_ns;
84054
84055 diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
84056 index eb8b8ac..62649e1 100644
84057 --- a/include/linux/pipe_fs_i.h
84058 +++ b/include/linux/pipe_fs_i.h
84059 @@ -47,10 +47,10 @@ struct pipe_inode_info {
84060 struct mutex mutex;
84061 wait_queue_head_t wait;
84062 unsigned int nrbufs, curbuf, buffers;
84063 - unsigned int readers;
84064 - unsigned int writers;
84065 - unsigned int files;
84066 - unsigned int waiting_writers;
84067 + atomic_t readers;
84068 + atomic_t writers;
84069 + atomic_t files;
84070 + atomic_t waiting_writers;
84071 unsigned int r_counter;
84072 unsigned int w_counter;
84073 struct page *tmp_page;
84074 diff --git a/include/linux/pm.h b/include/linux/pm.h
84075 index 383fd68..7a11504 100644
84076 --- a/include/linux/pm.h
84077 +++ b/include/linux/pm.h
84078 @@ -621,6 +621,7 @@ struct dev_pm_domain {
84079 struct dev_pm_ops ops;
84080 void (*detach)(struct device *dev, bool power_off);
84081 };
84082 +typedef struct dev_pm_domain __no_const dev_pm_domain_no_const;
84083
84084 /*
84085 * The PM_EVENT_ messages are also used by drivers implementing the legacy
84086 diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
84087 index 2e0e06d..824cc9b 100644
84088 --- a/include/linux/pm_domain.h
84089 +++ b/include/linux/pm_domain.h
84090 @@ -36,11 +36,11 @@ struct gpd_dev_ops {
84091 int (*save_state)(struct device *dev);
84092 int (*restore_state)(struct device *dev);
84093 bool (*active_wakeup)(struct device *dev);
84094 -};
84095 +} __no_const;
84096
84097 struct gpd_cpuidle_data {
84098 unsigned int saved_exit_latency;
84099 - struct cpuidle_state *idle_state;
84100 + cpuidle_state_no_const *idle_state;
84101 };
84102
84103 struct generic_pm_domain {
84104 diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
84105 index 367f49b..d2f5a14 100644
84106 --- a/include/linux/pm_runtime.h
84107 +++ b/include/linux/pm_runtime.h
84108 @@ -125,7 +125,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev)
84109
84110 static inline void pm_runtime_mark_last_busy(struct device *dev)
84111 {
84112 - ACCESS_ONCE(dev->power.last_busy) = jiffies;
84113 + ACCESS_ONCE_RW(dev->power.last_busy) = jiffies;
84114 }
84115
84116 #else /* !CONFIG_PM_RUNTIME */
84117 diff --git a/include/linux/pnp.h b/include/linux/pnp.h
84118 index 195aafc..49a7bc2 100644
84119 --- a/include/linux/pnp.h
84120 +++ b/include/linux/pnp.h
84121 @@ -297,7 +297,7 @@ static inline void pnp_set_drvdata(struct pnp_dev *pdev, void *data)
84122 struct pnp_fixup {
84123 char id[7];
84124 void (*quirk_function) (struct pnp_dev * dev); /* fixup function */
84125 -};
84126 +} __do_const;
84127
84128 /* config parameters */
84129 #define PNP_CONFIG_NORMAL 0x0001
84130 diff --git a/include/linux/poison.h b/include/linux/poison.h
84131 index 2110a81..13a11bb 100644
84132 --- a/include/linux/poison.h
84133 +++ b/include/linux/poison.h
84134 @@ -19,8 +19,8 @@
84135 * under normal circumstances, used to verify that nobody uses
84136 * non-initialized list entries.
84137 */
84138 -#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
84139 -#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)
84140 +#define LIST_POISON1 ((void *) (long)0xFFFFFF01)
84141 +#define LIST_POISON2 ((void *) (long)0xFFFFFF02)
84142
84143 /********** include/linux/timer.h **********/
84144 /*
84145 diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h
84146 index d8b187c3..9a9257a 100644
84147 --- a/include/linux/power/smartreflex.h
84148 +++ b/include/linux/power/smartreflex.h
84149 @@ -238,7 +238,7 @@ struct omap_sr_class_data {
84150 int (*notify)(struct omap_sr *sr, u32 status);
84151 u8 notify_flags;
84152 u8 class_type;
84153 -};
84154 +} __do_const;
84155
84156 /**
84157 * struct omap_sr_nvalue_table - Smartreflex n-target value info
84158 diff --git a/include/linux/ppp-comp.h b/include/linux/ppp-comp.h
84159 index 4ea1d37..80f4b33 100644
84160 --- a/include/linux/ppp-comp.h
84161 +++ b/include/linux/ppp-comp.h
84162 @@ -84,7 +84,7 @@ struct compressor {
84163 struct module *owner;
84164 /* Extra skb space needed by the compressor algorithm */
84165 unsigned int comp_extra;
84166 -};
84167 +} __do_const;
84168
84169 /*
84170 * The return value from decompress routine is the length of the
84171 diff --git a/include/linux/preempt.h b/include/linux/preempt.h
84172 index de83b4e..c4b997d 100644
84173 --- a/include/linux/preempt.h
84174 +++ b/include/linux/preempt.h
84175 @@ -27,11 +27,16 @@ extern void preempt_count_sub(int val);
84176 #define preempt_count_dec_and_test() __preempt_count_dec_and_test()
84177 #endif
84178
84179 +#define raw_preempt_count_add(val) __preempt_count_add(val)
84180 +#define raw_preempt_count_sub(val) __preempt_count_sub(val)
84181 +
84182 #define __preempt_count_inc() __preempt_count_add(1)
84183 #define __preempt_count_dec() __preempt_count_sub(1)
84184
84185 #define preempt_count_inc() preempt_count_add(1)
84186 +#define raw_preempt_count_inc() raw_preempt_count_add(1)
84187 #define preempt_count_dec() preempt_count_sub(1)
84188 +#define raw_preempt_count_dec() raw_preempt_count_sub(1)
84189
84190 #ifdef CONFIG_PREEMPT_COUNT
84191
84192 @@ -41,6 +46,12 @@ do { \
84193 barrier(); \
84194 } while (0)
84195
84196 +#define raw_preempt_disable() \
84197 +do { \
84198 + raw_preempt_count_inc(); \
84199 + barrier(); \
84200 +} while (0)
84201 +
84202 #define sched_preempt_enable_no_resched() \
84203 do { \
84204 barrier(); \
84205 @@ -49,6 +60,12 @@ do { \
84206
84207 #define preempt_enable_no_resched() sched_preempt_enable_no_resched()
84208
84209 +#define raw_preempt_enable_no_resched() \
84210 +do { \
84211 + barrier(); \
84212 + raw_preempt_count_dec(); \
84213 +} while (0)
84214 +
84215 #ifdef CONFIG_PREEMPT
84216 #define preempt_enable() \
84217 do { \
84218 @@ -113,8 +130,10 @@ do { \
84219 * region.
84220 */
84221 #define preempt_disable() barrier()
84222 +#define raw_preempt_disable() barrier()
84223 #define sched_preempt_enable_no_resched() barrier()
84224 #define preempt_enable_no_resched() barrier()
84225 +#define raw_preempt_enable_no_resched() barrier()
84226 #define preempt_enable() barrier()
84227 #define preempt_check_resched() do { } while (0)
84228
84229 @@ -128,11 +147,13 @@ do { \
84230 /*
84231 * Modules have no business playing preemption tricks.
84232 */
84233 +#ifndef CONFIG_PAX_KERNEXEC
84234 #undef sched_preempt_enable_no_resched
84235 #undef preempt_enable_no_resched
84236 #undef preempt_enable_no_resched_notrace
84237 #undef preempt_check_resched
84238 #endif
84239 +#endif
84240
84241 #define preempt_set_need_resched() \
84242 do { \
84243 diff --git a/include/linux/printk.h b/include/linux/printk.h
84244 index d78125f..7f36596 100644
84245 --- a/include/linux/printk.h
84246 +++ b/include/linux/printk.h
84247 @@ -124,6 +124,8 @@ static inline __printf(1, 2) __cold
84248 void early_printk(const char *s, ...) { }
84249 #endif
84250
84251 +extern int kptr_restrict;
84252 +
84253 #ifdef CONFIG_PRINTK
84254 asmlinkage __printf(5, 0)
84255 int vprintk_emit(int facility, int level,
84256 @@ -158,7 +160,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
84257
84258 extern int printk_delay_msec;
84259 extern int dmesg_restrict;
84260 -extern int kptr_restrict;
84261
84262 extern void wake_up_klogd(void);
84263
84264 diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
84265 index b97bf2e..f14c92d4 100644
84266 --- a/include/linux/proc_fs.h
84267 +++ b/include/linux/proc_fs.h
84268 @@ -17,8 +17,11 @@ extern void proc_flush_task(struct task_struct *);
84269 extern struct proc_dir_entry *proc_symlink(const char *,
84270 struct proc_dir_entry *, const char *);
84271 extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
84272 +extern struct proc_dir_entry *proc_mkdir_restrict(const char *, struct proc_dir_entry *);
84273 extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
84274 struct proc_dir_entry *, void *);
84275 +extern struct proc_dir_entry *proc_mkdir_data_restrict(const char *, umode_t,
84276 + struct proc_dir_entry *, void *);
84277 extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
84278 struct proc_dir_entry *);
84279
84280 @@ -34,6 +37,19 @@ static inline struct proc_dir_entry *proc_create(
84281 return proc_create_data(name, mode, parent, proc_fops, NULL);
84282 }
84283
84284 +static inline struct proc_dir_entry *proc_create_grsec(const char *name, umode_t mode,
84285 + struct proc_dir_entry *parent, const struct file_operations *proc_fops)
84286 +{
84287 +#ifdef CONFIG_GRKERNSEC_PROC_USER
84288 + return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL);
84289 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
84290 + return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL);
84291 +#else
84292 + return proc_create_data(name, mode, parent, proc_fops, NULL);
84293 +#endif
84294 +}
84295 +
84296 +
84297 extern void proc_set_size(struct proc_dir_entry *, loff_t);
84298 extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
84299 extern void *PDE_DATA(const struct inode *);
84300 @@ -56,8 +72,12 @@ static inline struct proc_dir_entry *proc_symlink(const char *name,
84301 struct proc_dir_entry *parent,const char *dest) { return NULL;}
84302 static inline struct proc_dir_entry *proc_mkdir(const char *name,
84303 struct proc_dir_entry *parent) {return NULL;}
84304 +static inline struct proc_dir_entry *proc_mkdir_restrict(const char *name,
84305 + struct proc_dir_entry *parent) { return NULL; }
84306 static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
84307 umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
84308 +static inline struct proc_dir_entry *proc_mkdir_data_restrict(const char *name,
84309 + umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
84310 static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
84311 umode_t mode, struct proc_dir_entry *parent) { return NULL; }
84312 #define proc_create(name, mode, parent, proc_fops) ({NULL;})
84313 @@ -79,7 +99,7 @@ struct net;
84314 static inline struct proc_dir_entry *proc_net_mkdir(
84315 struct net *net, const char *name, struct proc_dir_entry *parent)
84316 {
84317 - return proc_mkdir_data(name, 0, parent, net);
84318 + return proc_mkdir_data_restrict(name, 0, parent, net);
84319 }
84320
84321 #endif /* _LINUX_PROC_FS_H */
84322 diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
84323 index 34a1e10..70f6bde 100644
84324 --- a/include/linux/proc_ns.h
84325 +++ b/include/linux/proc_ns.h
84326 @@ -14,7 +14,7 @@ struct proc_ns_operations {
84327 void (*put)(void *ns);
84328 int (*install)(struct nsproxy *nsproxy, void *ns);
84329 unsigned int (*inum)(void *ns);
84330 -};
84331 +} __do_const __randomize_layout;
84332
84333 struct proc_ns {
84334 void *ns;
84335 diff --git a/include/linux/quota.h b/include/linux/quota.h
84336 index 80d345a..9e89a9a 100644
84337 --- a/include/linux/quota.h
84338 +++ b/include/linux/quota.h
84339 @@ -70,7 +70,7 @@ struct kqid { /* Type in which we store the quota identifier */
84340
84341 extern bool qid_eq(struct kqid left, struct kqid right);
84342 extern bool qid_lt(struct kqid left, struct kqid right);
84343 -extern qid_t from_kqid(struct user_namespace *to, struct kqid qid);
84344 +extern qid_t from_kqid(struct user_namespace *to, struct kqid qid) __intentional_overflow(-1);
84345 extern qid_t from_kqid_munged(struct user_namespace *to, struct kqid qid);
84346 extern bool qid_valid(struct kqid qid);
84347
84348 diff --git a/include/linux/random.h b/include/linux/random.h
84349 index b05856e..0a9f14e 100644
84350 --- a/include/linux/random.h
84351 +++ b/include/linux/random.h
84352 @@ -9,9 +9,19 @@
84353 #include <uapi/linux/random.h>
84354
84355 extern void add_device_randomness(const void *, unsigned int);
84356 +
84357 +static inline void add_latent_entropy(void)
84358 +{
84359 +
84360 +#ifdef LATENT_ENTROPY_PLUGIN
84361 + add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
84362 +#endif
84363 +
84364 +}
84365 +
84366 extern void add_input_randomness(unsigned int type, unsigned int code,
84367 - unsigned int value);
84368 -extern void add_interrupt_randomness(int irq, int irq_flags);
84369 + unsigned int value) __latent_entropy;
84370 +extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy;
84371
84372 extern void get_random_bytes(void *buf, int nbytes);
84373 extern void get_random_bytes_arch(void *buf, int nbytes);
84374 @@ -22,10 +32,10 @@ extern int random_int_secret_init(void);
84375 extern const struct file_operations random_fops, urandom_fops;
84376 #endif
84377
84378 -unsigned int get_random_int(void);
84379 +unsigned int __intentional_overflow(-1) get_random_int(void);
84380 unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len);
84381
84382 -u32 prandom_u32(void);
84383 +u32 prandom_u32(void) __intentional_overflow(-1);
84384 void prandom_bytes(void *buf, size_t nbytes);
84385 void prandom_seed(u32 seed);
84386 void prandom_reseed_late(void);
84387 @@ -37,6 +47,11 @@ struct rnd_state {
84388 u32 prandom_u32_state(struct rnd_state *state);
84389 void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes);
84390
84391 +static inline unsigned long __intentional_overflow(-1) pax_get_random_long(void)
84392 +{
84393 + return prandom_u32() + (sizeof(long) > 4 ? (unsigned long)prandom_u32() << 32 : 0);
84394 +}
84395 +
84396 /**
84397 * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro)
84398 * @ep_ro: right open interval endpoint
84399 @@ -49,7 +64,7 @@ void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes);
84400 *
84401 * Returns: pseudo-random number in interval [0, ep_ro)
84402 */
84403 -static inline u32 prandom_u32_max(u32 ep_ro)
84404 +static inline u32 __intentional_overflow(-1) prandom_u32_max(u32 ep_ro)
84405 {
84406 return (u32)(((u64) prandom_u32() * ep_ro) >> 32);
84407 }
84408 diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
84409 index 378c5ee..aa84a47 100644
84410 --- a/include/linux/rbtree_augmented.h
84411 +++ b/include/linux/rbtree_augmented.h
84412 @@ -90,7 +90,9 @@ rbname ## _rotate(struct rb_node *rb_old, struct rb_node *rb_new) \
84413 old->rbaugmented = rbcompute(old); \
84414 } \
84415 rbstatic const struct rb_augment_callbacks rbname = { \
84416 - rbname ## _propagate, rbname ## _copy, rbname ## _rotate \
84417 + .propagate = rbname ## _propagate, \
84418 + .copy = rbname ## _copy, \
84419 + .rotate = rbname ## _rotate \
84420 };
84421
84422
84423 diff --git a/include/linux/rculist.h b/include/linux/rculist.h
84424 index 372ad5e..d4373f8 100644
84425 --- a/include/linux/rculist.h
84426 +++ b/include/linux/rculist.h
84427 @@ -29,8 +29,8 @@
84428 */
84429 static inline void INIT_LIST_HEAD_RCU(struct list_head *list)
84430 {
84431 - ACCESS_ONCE(list->next) = list;
84432 - ACCESS_ONCE(list->prev) = list;
84433 + ACCESS_ONCE_RW(list->next) = list;
84434 + ACCESS_ONCE_RW(list->prev) = list;
84435 }
84436
84437 /*
84438 @@ -59,6 +59,9 @@ void __list_add_rcu(struct list_head *new,
84439 struct list_head *prev, struct list_head *next);
84440 #endif
84441
84442 +void __pax_list_add_rcu(struct list_head *new,
84443 + struct list_head *prev, struct list_head *next);
84444 +
84445 /**
84446 * list_add_rcu - add a new entry to rcu-protected list
84447 * @new: new entry to be added
84448 @@ -80,6 +83,11 @@ static inline void list_add_rcu(struct list_head *new, struct list_head *head)
84449 __list_add_rcu(new, head, head->next);
84450 }
84451
84452 +static inline void pax_list_add_rcu(struct list_head *new, struct list_head *head)
84453 +{
84454 + __pax_list_add_rcu(new, head, head->next);
84455 +}
84456 +
84457 /**
84458 * list_add_tail_rcu - add a new entry to rcu-protected list
84459 * @new: new entry to be added
84460 @@ -102,6 +110,12 @@ static inline void list_add_tail_rcu(struct list_head *new,
84461 __list_add_rcu(new, head->prev, head);
84462 }
84463
84464 +static inline void pax_list_add_tail_rcu(struct list_head *new,
84465 + struct list_head *head)
84466 +{
84467 + __pax_list_add_rcu(new, head->prev, head);
84468 +}
84469 +
84470 /**
84471 * list_del_rcu - deletes entry from list without re-initialization
84472 * @entry: the element to delete from the list.
84473 @@ -132,6 +146,8 @@ static inline void list_del_rcu(struct list_head *entry)
84474 entry->prev = LIST_POISON2;
84475 }
84476
84477 +extern void pax_list_del_rcu(struct list_head *entry);
84478 +
84479 /**
84480 * hlist_del_init_rcu - deletes entry from hash list with re-initialization
84481 * @n: the element to delete from the hash list.
84482 diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
84483 index 53ff1a7..c40f0ab 100644
84484 --- a/include/linux/rcupdate.h
84485 +++ b/include/linux/rcupdate.h
84486 @@ -332,7 +332,7 @@ extern struct srcu_struct tasks_rcu_exit_srcu;
84487 #define rcu_note_voluntary_context_switch(t) \
84488 do { \
84489 if (ACCESS_ONCE((t)->rcu_tasks_holdout)) \
84490 - ACCESS_ONCE((t)->rcu_tasks_holdout) = false; \
84491 + ACCESS_ONCE_RW((t)->rcu_tasks_holdout) = false; \
84492 } while (0)
84493 #else /* #ifdef CONFIG_TASKS_RCU */
84494 #define TASKS_RCU(x) do { } while (0)
84495 diff --git a/include/linux/reboot.h b/include/linux/reboot.h
84496 index 67fc8fc..a90f7d8 100644
84497 --- a/include/linux/reboot.h
84498 +++ b/include/linux/reboot.h
84499 @@ -47,9 +47,9 @@ extern void do_kernel_restart(char *cmd);
84500 */
84501
84502 extern void migrate_to_reboot_cpu(void);
84503 -extern void machine_restart(char *cmd);
84504 -extern void machine_halt(void);
84505 -extern void machine_power_off(void);
84506 +extern void machine_restart(char *cmd) __noreturn;
84507 +extern void machine_halt(void) __noreturn;
84508 +extern void machine_power_off(void) __noreturn;
84509
84510 extern void machine_shutdown(void);
84511 struct pt_regs;
84512 @@ -60,9 +60,9 @@ extern void machine_crash_shutdown(struct pt_regs *);
84513 */
84514
84515 extern void kernel_restart_prepare(char *cmd);
84516 -extern void kernel_restart(char *cmd);
84517 -extern void kernel_halt(void);
84518 -extern void kernel_power_off(void);
84519 +extern void kernel_restart(char *cmd) __noreturn;
84520 +extern void kernel_halt(void) __noreturn;
84521 +extern void kernel_power_off(void) __noreturn;
84522
84523 extern int C_A_D; /* for sysctl */
84524 void ctrl_alt_del(void);
84525 @@ -76,7 +76,7 @@ extern int orderly_poweroff(bool force);
84526 * Emergency restart, callable from an interrupt handler.
84527 */
84528
84529 -extern void emergency_restart(void);
84530 +extern void emergency_restart(void) __noreturn;
84531 #include <asm/emergency-restart.h>
84532
84533 #endif /* _LINUX_REBOOT_H */
84534 diff --git a/include/linux/regset.h b/include/linux/regset.h
84535 index 8e0c9fe..ac4d221 100644
84536 --- a/include/linux/regset.h
84537 +++ b/include/linux/regset.h
84538 @@ -161,7 +161,8 @@ struct user_regset {
84539 unsigned int align;
84540 unsigned int bias;
84541 unsigned int core_note_type;
84542 -};
84543 +} __do_const;
84544 +typedef struct user_regset __no_const user_regset_no_const;
84545
84546 /**
84547 * struct user_regset_view - available regsets
84548 diff --git a/include/linux/relay.h b/include/linux/relay.h
84549 index d7c8359..818daf5 100644
84550 --- a/include/linux/relay.h
84551 +++ b/include/linux/relay.h
84552 @@ -157,7 +157,7 @@ struct rchan_callbacks
84553 * The callback should return 0 if successful, negative if not.
84554 */
84555 int (*remove_buf_file)(struct dentry *dentry);
84556 -};
84557 +} __no_const;
84558
84559 /*
84560 * CONFIG_RELAY kernel API, kernel/relay.c
84561 diff --git a/include/linux/rio.h b/include/linux/rio.h
84562 index 6bda06f..bf39a9b 100644
84563 --- a/include/linux/rio.h
84564 +++ b/include/linux/rio.h
84565 @@ -358,7 +358,7 @@ struct rio_ops {
84566 int (*map_inb)(struct rio_mport *mport, dma_addr_t lstart,
84567 u64 rstart, u32 size, u32 flags);
84568 void (*unmap_inb)(struct rio_mport *mport, dma_addr_t lstart);
84569 -};
84570 +} __no_const;
84571
84572 #define RIO_RESOURCE_MEM 0x00000100
84573 #define RIO_RESOURCE_DOORBELL 0x00000200
84574 diff --git a/include/linux/rmap.h b/include/linux/rmap.h
84575 index c0c2bce..4813524 100644
84576 --- a/include/linux/rmap.h
84577 +++ b/include/linux/rmap.h
84578 @@ -144,8 +144,8 @@ static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)
84579 void anon_vma_init(void); /* create anon_vma_cachep */
84580 int anon_vma_prepare(struct vm_area_struct *);
84581 void unlink_anon_vmas(struct vm_area_struct *);
84582 -int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *);
84583 -int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *);
84584 +int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *);
84585 +int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *);
84586
84587 static inline void anon_vma_merge(struct vm_area_struct *vma,
84588 struct vm_area_struct *next)
84589 diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
84590 index ed8f9e7..999bc96 100644
84591 --- a/include/linux/scatterlist.h
84592 +++ b/include/linux/scatterlist.h
84593 @@ -1,6 +1,7 @@
84594 #ifndef _LINUX_SCATTERLIST_H
84595 #define _LINUX_SCATTERLIST_H
84596
84597 +#include <linux/sched.h>
84598 #include <linux/string.h>
84599 #include <linux/bug.h>
84600 #include <linux/mm.h>
84601 @@ -114,6 +115,12 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
84602 #ifdef CONFIG_DEBUG_SG
84603 BUG_ON(!virt_addr_valid(buf));
84604 #endif
84605 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
84606 + if (object_starts_on_stack(buf)) {
84607 + void *adjbuf = buf - current->stack + current->lowmem_stack;
84608 + sg_set_page(sg, virt_to_page(adjbuf), buflen, offset_in_page(adjbuf));
84609 + } else
84610 +#endif
84611 sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
84612 }
84613
84614 diff --git a/include/linux/sched.h b/include/linux/sched.h
84615 index 5e344bb..0743255 100644
84616 --- a/include/linux/sched.h
84617 +++ b/include/linux/sched.h
84618 @@ -133,6 +133,7 @@ struct fs_struct;
84619 struct perf_event_context;
84620 struct blk_plug;
84621 struct filename;
84622 +struct linux_binprm;
84623
84624 #define VMACACHE_BITS 2
84625 #define VMACACHE_SIZE (1U << VMACACHE_BITS)
84626 @@ -376,7 +377,7 @@ extern char __sched_text_start[], __sched_text_end[];
84627 extern int in_sched_functions(unsigned long addr);
84628
84629 #define MAX_SCHEDULE_TIMEOUT LONG_MAX
84630 -extern signed long schedule_timeout(signed long timeout);
84631 +extern signed long schedule_timeout(signed long timeout) __intentional_overflow(-1);
84632 extern signed long schedule_timeout_interruptible(signed long timeout);
84633 extern signed long schedule_timeout_killable(signed long timeout);
84634 extern signed long schedule_timeout_uninterruptible(signed long timeout);
84635 @@ -387,6 +388,19 @@ struct nsproxy;
84636 struct user_namespace;
84637
84638 #ifdef CONFIG_MMU
84639 +
84640 +#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK
84641 +extern unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags);
84642 +#else
84643 +static inline unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags)
84644 +{
84645 + return 0;
84646 +}
84647 +#endif
84648 +
84649 +extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset);
84650 +extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset);
84651 +
84652 extern void arch_pick_mmap_layout(struct mm_struct *mm);
84653 extern unsigned long
84654 arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
84655 @@ -685,6 +699,17 @@ struct signal_struct {
84656 #ifdef CONFIG_TASKSTATS
84657 struct taskstats *stats;
84658 #endif
84659 +
84660 +#ifdef CONFIG_GRKERNSEC
84661 + u32 curr_ip;
84662 + u32 saved_ip;
84663 + u32 gr_saddr;
84664 + u32 gr_daddr;
84665 + u16 gr_sport;
84666 + u16 gr_dport;
84667 + u8 used_accept:1;
84668 +#endif
84669 +
84670 #ifdef CONFIG_AUDIT
84671 unsigned audit_tty;
84672 unsigned audit_tty_log_passwd;
84673 @@ -711,7 +736,7 @@ struct signal_struct {
84674 struct mutex cred_guard_mutex; /* guard against foreign influences on
84675 * credential calculations
84676 * (notably. ptrace) */
84677 -};
84678 +} __randomize_layout;
84679
84680 /*
84681 * Bits in flags field of signal_struct.
84682 @@ -764,6 +789,14 @@ struct user_struct {
84683 struct key *session_keyring; /* UID's default session keyring */
84684 #endif
84685
84686 +#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT
84687 + unsigned char kernel_banned;
84688 +#endif
84689 +#ifdef CONFIG_GRKERNSEC_BRUTE
84690 + unsigned char suid_banned;
84691 + unsigned long suid_ban_expires;
84692 +#endif
84693 +
84694 /* Hash table maintenance information */
84695 struct hlist_node uidhash_node;
84696 kuid_t uid;
84697 @@ -771,7 +804,7 @@ struct user_struct {
84698 #ifdef CONFIG_PERF_EVENTS
84699 atomic_long_t locked_vm;
84700 #endif
84701 -};
84702 +} __randomize_layout;
84703
84704 extern int uids_sysfs_init(void);
84705
84706 @@ -1235,6 +1268,9 @@ enum perf_event_task_context {
84707 struct task_struct {
84708 volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
84709 void *stack;
84710 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
84711 + void *lowmem_stack;
84712 +#endif
84713 atomic_t usage;
84714 unsigned int flags; /* per process flags, defined below */
84715 unsigned int ptrace;
84716 @@ -1362,8 +1398,8 @@ struct task_struct {
84717 struct list_head thread_node;
84718
84719 struct completion *vfork_done; /* for vfork() */
84720 - int __user *set_child_tid; /* CLONE_CHILD_SETTID */
84721 - int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
84722 + pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */
84723 + pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
84724
84725 cputime_t utime, stime, utimescaled, stimescaled;
84726 cputime_t gtime;
84727 @@ -1388,11 +1424,6 @@ struct task_struct {
84728 struct task_cputime cputime_expires;
84729 struct list_head cpu_timers[3];
84730
84731 -/* process credentials */
84732 - const struct cred __rcu *real_cred; /* objective and real subjective task
84733 - * credentials (COW) */
84734 - const struct cred __rcu *cred; /* effective (overridable) subjective task
84735 - * credentials (COW) */
84736 char comm[TASK_COMM_LEN]; /* executable name excluding path
84737 - access with [gs]et_task_comm (which lock
84738 it with task_lock())
84739 @@ -1410,6 +1441,10 @@ struct task_struct {
84740 #endif
84741 /* CPU-specific state of this task */
84742 struct thread_struct thread;
84743 +/* thread_info moved to task_struct */
84744 +#ifdef CONFIG_X86
84745 + struct thread_info tinfo;
84746 +#endif
84747 /* filesystem information */
84748 struct fs_struct *fs;
84749 /* open file information */
84750 @@ -1484,6 +1519,10 @@ struct task_struct {
84751 gfp_t lockdep_reclaim_gfp;
84752 #endif
84753
84754 +/* process credentials */
84755 + const struct cred __rcu *real_cred; /* objective and real subjective task
84756 + * credentials (COW) */
84757 +
84758 /* journalling filesystem info */
84759 void *journal_info;
84760
84761 @@ -1522,6 +1561,10 @@ struct task_struct {
84762 /* cg_list protected by css_set_lock and tsk->alloc_lock */
84763 struct list_head cg_list;
84764 #endif
84765 +
84766 + const struct cred __rcu *cred; /* effective (overridable) subjective task
84767 + * credentials (COW) */
84768 +
84769 #ifdef CONFIG_FUTEX
84770 struct robust_list_head __user *robust_list;
84771 #ifdef CONFIG_COMPAT
84772 @@ -1635,7 +1678,7 @@ struct task_struct {
84773 * Number of functions that haven't been traced
84774 * because of depth overrun.
84775 */
84776 - atomic_t trace_overrun;
84777 + atomic_unchecked_t trace_overrun;
84778 /* Pause for the tracing */
84779 atomic_t tracing_graph_pause;
84780 #endif
84781 @@ -1661,7 +1704,78 @@ struct task_struct {
84782 unsigned int sequential_io;
84783 unsigned int sequential_io_avg;
84784 #endif
84785 -};
84786 +
84787 +#ifdef CONFIG_GRKERNSEC
84788 + /* grsecurity */
84789 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
84790 + u64 exec_id;
84791 +#endif
84792 +#ifdef CONFIG_GRKERNSEC_SETXID
84793 + const struct cred *delayed_cred;
84794 +#endif
84795 + struct dentry *gr_chroot_dentry;
84796 + struct acl_subject_label *acl;
84797 + struct acl_subject_label *tmpacl;
84798 + struct acl_role_label *role;
84799 + struct file *exec_file;
84800 + unsigned long brute_expires;
84801 + u16 acl_role_id;
84802 + u8 inherited;
84803 + /* is this the task that authenticated to the special role */
84804 + u8 acl_sp_role;
84805 + u8 is_writable;
84806 + u8 brute;
84807 + u8 gr_is_chrooted;
84808 +#endif
84809 +
84810 +} __randomize_layout;
84811 +
84812 +#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */
84813 +#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */
84814 +#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */
84815 +#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */
84816 +/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */
84817 +#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */
84818 +
84819 +#ifdef CONFIG_PAX_SOFTMODE
84820 +extern int pax_softmode;
84821 +#endif
84822 +
84823 +extern int pax_check_flags(unsigned long *);
84824 +#define PAX_PARSE_FLAGS_FALLBACK (~0UL)
84825 +
84826 +/* if tsk != current then task_lock must be held on it */
84827 +#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)
84828 +static inline unsigned long pax_get_flags(struct task_struct *tsk)
84829 +{
84830 + if (likely(tsk->mm))
84831 + return tsk->mm->pax_flags;
84832 + else
84833 + return 0UL;
84834 +}
84835 +
84836 +/* if tsk != current then task_lock must be held on it */
84837 +static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags)
84838 +{
84839 + if (likely(tsk->mm)) {
84840 + tsk->mm->pax_flags = flags;
84841 + return 0;
84842 + }
84843 + return -EINVAL;
84844 +}
84845 +#endif
84846 +
84847 +#ifdef CONFIG_PAX_HAVE_ACL_FLAGS
84848 +extern void pax_set_initial_flags(struct linux_binprm *bprm);
84849 +#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS)
84850 +extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
84851 +#endif
84852 +
84853 +struct path;
84854 +extern char *pax_get_path(const struct path *path, char *buf, int buflen);
84855 +extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp);
84856 +extern void pax_report_insns(struct pt_regs *regs, void *pc, void *sp);
84857 +extern void pax_report_refcount_overflow(struct pt_regs *regs);
84858
84859 /* Future-safe accessor for struct task_struct's cpus_allowed. */
84860 #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
84861 @@ -1743,7 +1857,7 @@ struct pid_namespace;
84862 pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
84863 struct pid_namespace *ns);
84864
84865 -static inline pid_t task_pid_nr(struct task_struct *tsk)
84866 +static inline pid_t task_pid_nr(const struct task_struct *tsk)
84867 {
84868 return tsk->pid;
84869 }
84870 @@ -2106,6 +2220,25 @@ extern u64 sched_clock_cpu(int cpu);
84871
84872 extern void sched_clock_init(void);
84873
84874 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
84875 +static inline void populate_stack(void)
84876 +{
84877 + struct task_struct *curtask = current;
84878 + int c;
84879 + int *ptr = curtask->stack;
84880 + int *end = curtask->stack + THREAD_SIZE;
84881 +
84882 + while (ptr < end) {
84883 + c = *(volatile int *)ptr;
84884 + ptr += PAGE_SIZE/sizeof(int);
84885 + }
84886 +}
84887 +#else
84888 +static inline void populate_stack(void)
84889 +{
84890 +}
84891 +#endif
84892 +
84893 #ifndef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
84894 static inline void sched_clock_tick(void)
84895 {
84896 @@ -2239,7 +2372,9 @@ void yield(void);
84897 extern struct exec_domain default_exec_domain;
84898
84899 union thread_union {
84900 +#ifndef CONFIG_X86
84901 struct thread_info thread_info;
84902 +#endif
84903 unsigned long stack[THREAD_SIZE/sizeof(long)];
84904 };
84905
84906 @@ -2272,6 +2407,7 @@ extern struct pid_namespace init_pid_ns;
84907 */
84908
84909 extern struct task_struct *find_task_by_vpid(pid_t nr);
84910 +extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr);
84911 extern struct task_struct *find_task_by_pid_ns(pid_t nr,
84912 struct pid_namespace *ns);
84913
84914 @@ -2436,7 +2572,7 @@ extern void __cleanup_sighand(struct sighand_struct *);
84915 extern void exit_itimers(struct signal_struct *);
84916 extern void flush_itimer_signals(void);
84917
84918 -extern void do_group_exit(int);
84919 +extern __noreturn void do_group_exit(int);
84920
84921 extern int do_execve(struct filename *,
84922 const char __user * const __user *,
84923 @@ -2653,9 +2789,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
84924 #define task_stack_end_corrupted(task) \
84925 (*(end_of_stack(task)) != STACK_END_MAGIC)
84926
84927 -static inline int object_is_on_stack(void *obj)
84928 +static inline int object_starts_on_stack(const void *obj)
84929 {
84930 - void *stack = task_stack_page(current);
84931 + const void *stack = task_stack_page(current);
84932
84933 return (obj >= stack) && (obj < (stack + THREAD_SIZE));
84934 }
84935 diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
84936 index 596a0e0..bea77ec 100644
84937 --- a/include/linux/sched/sysctl.h
84938 +++ b/include/linux/sched/sysctl.h
84939 @@ -34,6 +34,7 @@ enum { sysctl_hung_task_timeout_secs = 0 };
84940 #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
84941
84942 extern int sysctl_max_map_count;
84943 +extern unsigned long sysctl_heap_stack_gap;
84944
84945 extern unsigned int sysctl_sched_latency;
84946 extern unsigned int sysctl_sched_min_granularity;
84947 diff --git a/include/linux/security.h b/include/linux/security.h
84948 index ba96471..74fb3f6 100644
84949 --- a/include/linux/security.h
84950 +++ b/include/linux/security.h
84951 @@ -27,6 +27,7 @@
84952 #include <linux/slab.h>
84953 #include <linux/err.h>
84954 #include <linux/string.h>
84955 +#include <linux/grsecurity.h>
84956
84957 struct linux_binprm;
84958 struct cred;
84959 @@ -116,8 +117,6 @@ struct seq_file;
84960
84961 extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
84962
84963 -void reset_security_ops(void);
84964 -
84965 #ifdef CONFIG_MMU
84966 extern unsigned long mmap_min_addr;
84967 extern unsigned long dac_mmap_min_addr;
84968 @@ -1729,7 +1728,7 @@ struct security_operations {
84969 struct audit_context *actx);
84970 void (*audit_rule_free) (void *lsmrule);
84971 #endif /* CONFIG_AUDIT */
84972 -};
84973 +} __randomize_layout;
84974
84975 /* prototypes */
84976 extern int security_init(void);
84977 diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h
84978 index dc368b8..e895209 100644
84979 --- a/include/linux/semaphore.h
84980 +++ b/include/linux/semaphore.h
84981 @@ -37,7 +37,7 @@ static inline void sema_init(struct semaphore *sem, int val)
84982 }
84983
84984 extern void down(struct semaphore *sem);
84985 -extern int __must_check down_interruptible(struct semaphore *sem);
84986 +extern int __must_check down_interruptible(struct semaphore *sem) __intentional_overflow(-1);
84987 extern int __must_check down_killable(struct semaphore *sem);
84988 extern int __must_check down_trylock(struct semaphore *sem);
84989 extern int __must_check down_timeout(struct semaphore *sem, long jiffies);
84990 diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
84991 index 52e0097..383f21d 100644
84992 --- a/include/linux/seq_file.h
84993 +++ b/include/linux/seq_file.h
84994 @@ -27,6 +27,9 @@ struct seq_file {
84995 struct mutex lock;
84996 const struct seq_operations *op;
84997 int poll_event;
84998 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
84999 + u64 exec_id;
85000 +#endif
85001 #ifdef CONFIG_USER_NS
85002 struct user_namespace *user_ns;
85003 #endif
85004 @@ -39,6 +42,7 @@ struct seq_operations {
85005 void * (*next) (struct seq_file *m, void *v, loff_t *pos);
85006 int (*show) (struct seq_file *m, void *v);
85007 };
85008 +typedef struct seq_operations __no_const seq_operations_no_const;
85009
85010 #define SEQ_SKIP 1
85011
85012 @@ -96,6 +100,7 @@ void seq_pad(struct seq_file *m, char c);
85013
85014 char *mangle_path(char *s, const char *p, const char *esc);
85015 int seq_open(struct file *, const struct seq_operations *);
85016 +int seq_open_restrict(struct file *, const struct seq_operations *);
85017 ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
85018 loff_t seq_lseek(struct file *, loff_t, int);
85019 int seq_release(struct inode *, struct file *);
85020 @@ -138,6 +143,7 @@ static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
85021 }
85022
85023 int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
85024 +int single_open_restrict(struct file *, int (*)(struct seq_file *, void *), void *);
85025 int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t);
85026 int single_release(struct inode *, struct file *);
85027 void *__seq_open_private(struct file *, const struct seq_operations *, int);
85028 diff --git a/include/linux/shm.h b/include/linux/shm.h
85029 index 6fb8016..ab4465e 100644
85030 --- a/include/linux/shm.h
85031 +++ b/include/linux/shm.h
85032 @@ -22,6 +22,10 @@ struct shmid_kernel /* private to the kernel */
85033 /* The task created the shm object. NULL if the task is dead. */
85034 struct task_struct *shm_creator;
85035 struct list_head shm_clist; /* list by creator */
85036 +#ifdef CONFIG_GRKERNSEC
85037 + u64 shm_createtime;
85038 + pid_t shm_lapid;
85039 +#endif
85040 };
85041
85042 /* shm_mode upper byte flags */
85043 diff --git a/include/linux/signal.h b/include/linux/signal.h
85044 index ab1e039..ad4229e 100644
85045 --- a/include/linux/signal.h
85046 +++ b/include/linux/signal.h
85047 @@ -289,7 +289,7 @@ static inline void allow_signal(int sig)
85048 * know it'll be handled, so that they don't get converted to
85049 * SIGKILL or just silently dropped.
85050 */
85051 - kernel_sigaction(sig, (__force __sighandler_t)2);
85052 + kernel_sigaction(sig, (__force_user __sighandler_t)2);
85053 }
85054
85055 static inline void disallow_signal(int sig)
85056 diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
85057 index 6c8b6f6..5a0f4bd 100644
85058 --- a/include/linux/skbuff.h
85059 +++ b/include/linux/skbuff.h
85060 @@ -773,7 +773,7 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from,
85061 struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags,
85062 int node);
85063 struct sk_buff *build_skb(void *data, unsigned int frag_size);
85064 -static inline struct sk_buff *alloc_skb(unsigned int size,
85065 +static inline struct sk_buff * __intentional_overflow(0) alloc_skb(unsigned int size,
85066 gfp_t priority)
85067 {
85068 return __alloc_skb(size, priority, 0, NUMA_NO_NODE);
85069 @@ -1962,7 +1962,7 @@ static inline u32 skb_inner_network_header_len(const struct sk_buff *skb)
85070 return skb->inner_transport_header - skb->inner_network_header;
85071 }
85072
85073 -static inline int skb_network_offset(const struct sk_buff *skb)
85074 +static inline int __intentional_overflow(0) skb_network_offset(const struct sk_buff *skb)
85075 {
85076 return skb_network_header(skb) - skb->data;
85077 }
85078 @@ -2022,7 +2022,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
85079 * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
85080 */
85081 #ifndef NET_SKB_PAD
85082 -#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
85083 +#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES)
85084 #endif
85085
85086 int ___pskb_trim(struct sk_buff *skb, unsigned int len);
85087 @@ -2629,7 +2629,7 @@ struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock,
85088 int *err);
85089 unsigned int datagram_poll(struct file *file, struct socket *sock,
85090 struct poll_table_struct *wait);
85091 -int skb_copy_datagram_iovec(const struct sk_buff *from, int offset,
85092 +int __intentional_overflow(0) skb_copy_datagram_iovec(const struct sk_buff *from, int offset,
85093 struct iovec *to, int size);
85094 int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, int hlen,
85095 struct iovec *iov);
85096 @@ -3091,6 +3091,9 @@ static inline void nf_reset(struct sk_buff *skb)
85097 nf_bridge_put(skb->nf_bridge);
85098 skb->nf_bridge = NULL;
85099 #endif
85100 +#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)
85101 + skb->nf_trace = 0;
85102 +#endif
85103 }
85104
85105 static inline void nf_reset_trace(struct sk_buff *skb)
85106 diff --git a/include/linux/slab.h b/include/linux/slab.h
85107 index c265bec..4867d28 100644
85108 --- a/include/linux/slab.h
85109 +++ b/include/linux/slab.h
85110 @@ -14,15 +14,29 @@
85111 #include <linux/gfp.h>
85112 #include <linux/types.h>
85113 #include <linux/workqueue.h>
85114 -
85115 +#include <linux/err.h>
85116
85117 /*
85118 * Flags to pass to kmem_cache_create().
85119 * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set.
85120 */
85121 #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */
85122 +
85123 +#ifdef CONFIG_PAX_USERCOPY_SLABS
85124 +#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */
85125 +#else
85126 +#define SLAB_USERCOPY 0x00000000UL
85127 +#endif
85128 +
85129 #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */
85130 #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */
85131 +
85132 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
85133 +#define SLAB_NO_SANITIZE 0x00001000UL /* PaX: Do not sanitize objs on free */
85134 +#else
85135 +#define SLAB_NO_SANITIZE 0x00000000UL
85136 +#endif
85137 +
85138 #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */
85139 #define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */
85140 #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */
85141 @@ -98,10 +112,13 @@
85142 * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can.
85143 * Both make kfree a no-op.
85144 */
85145 -#define ZERO_SIZE_PTR ((void *)16)
85146 +#define ZERO_SIZE_PTR \
85147 +({ \
85148 + BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\
85149 + (void *)(-MAX_ERRNO-1L); \
85150 +})
85151
85152 -#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \
85153 - (unsigned long)ZERO_SIZE_PTR)
85154 +#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1)
85155
85156 #include <linux/kmemleak.h>
85157
85158 @@ -144,6 +161,8 @@ void * __must_check krealloc(const void *, size_t, gfp_t);
85159 void kfree(const void *);
85160 void kzfree(const void *);
85161 size_t ksize(const void *);
85162 +const char *check_heap_object(const void *ptr, unsigned long n);
85163 +bool is_usercopy_object(const void *ptr);
85164
85165 /*
85166 * Some archs want to perform DMA into kmalloc caches and need a guaranteed
85167 @@ -236,6 +255,10 @@ extern struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
85168 extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
85169 #endif
85170
85171 +#ifdef CONFIG_PAX_USERCOPY_SLABS
85172 +extern struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1];
85173 +#endif
85174 +
85175 /*
85176 * Figure out which kmalloc slab an allocation of a certain size
85177 * belongs to.
85178 @@ -244,7 +267,7 @@ extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
85179 * 2 = 120 .. 192 bytes
85180 * n = 2^(n-1) .. 2^n -1
85181 */
85182 -static __always_inline int kmalloc_index(size_t size)
85183 +static __always_inline __size_overflow(1) int kmalloc_index(size_t size)
85184 {
85185 if (!size)
85186 return 0;
85187 @@ -287,11 +310,11 @@ static __always_inline int kmalloc_index(size_t size)
85188 }
85189 #endif /* !CONFIG_SLOB */
85190
85191 -void *__kmalloc(size_t size, gfp_t flags);
85192 +void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1);
85193 void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags);
85194
85195 #ifdef CONFIG_NUMA
85196 -void *__kmalloc_node(size_t size, gfp_t flags, int node);
85197 +void *__kmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1);
85198 void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
85199 #else
85200 static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node)
85201 diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
85202 index b869d16..1453c73 100644
85203 --- a/include/linux/slab_def.h
85204 +++ b/include/linux/slab_def.h
85205 @@ -40,7 +40,7 @@ struct kmem_cache {
85206 /* 4) cache creation/removal */
85207 const char *name;
85208 struct list_head list;
85209 - int refcount;
85210 + atomic_t refcount;
85211 int object_size;
85212 int align;
85213
85214 @@ -56,10 +56,14 @@ struct kmem_cache {
85215 unsigned long node_allocs;
85216 unsigned long node_frees;
85217 unsigned long node_overflow;
85218 - atomic_t allochit;
85219 - atomic_t allocmiss;
85220 - atomic_t freehit;
85221 - atomic_t freemiss;
85222 + atomic_unchecked_t allochit;
85223 + atomic_unchecked_t allocmiss;
85224 + atomic_unchecked_t freehit;
85225 + atomic_unchecked_t freemiss;
85226 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
85227 + atomic_unchecked_t sanitized;
85228 + atomic_unchecked_t not_sanitized;
85229 +#endif
85230
85231 /*
85232 * If debugging is enabled, then the allocator can add additional
85233 diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
85234 index d82abd4..408c3a0 100644
85235 --- a/include/linux/slub_def.h
85236 +++ b/include/linux/slub_def.h
85237 @@ -74,7 +74,7 @@ struct kmem_cache {
85238 struct kmem_cache_order_objects max;
85239 struct kmem_cache_order_objects min;
85240 gfp_t allocflags; /* gfp flags to use on each alloc */
85241 - int refcount; /* Refcount for slab cache destroy */
85242 + atomic_t refcount; /* Refcount for slab cache destroy */
85243 void (*ctor)(void *);
85244 int inuse; /* Offset to metadata */
85245 int align; /* Alignment */
85246 diff --git a/include/linux/smp.h b/include/linux/smp.h
85247 index 93dff5f..933c561 100644
85248 --- a/include/linux/smp.h
85249 +++ b/include/linux/smp.h
85250 @@ -176,7 +176,9 @@ static inline void wake_up_all_idle_cpus(void) { }
85251 #endif
85252
85253 #define get_cpu() ({ preempt_disable(); smp_processor_id(); })
85254 +#define raw_get_cpu() ({ raw_preempt_disable(); raw_smp_processor_id(); })
85255 #define put_cpu() preempt_enable()
85256 +#define raw_put_cpu_no_resched() raw_preempt_enable_no_resched()
85257
85258 /*
85259 * Callback to arch code if there's nosmp or maxcpus=0 on the
85260 diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
85261 index 46cca4c..3323536 100644
85262 --- a/include/linux/sock_diag.h
85263 +++ b/include/linux/sock_diag.h
85264 @@ -11,7 +11,7 @@ struct sock;
85265 struct sock_diag_handler {
85266 __u8 family;
85267 int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
85268 -};
85269 +} __do_const;
85270
85271 int sock_diag_register(const struct sock_diag_handler *h);
85272 void sock_diag_unregister(const struct sock_diag_handler *h);
85273 diff --git a/include/linux/sonet.h b/include/linux/sonet.h
85274 index 680f9a3..f13aeb0 100644
85275 --- a/include/linux/sonet.h
85276 +++ b/include/linux/sonet.h
85277 @@ -7,7 +7,7 @@
85278 #include <uapi/linux/sonet.h>
85279
85280 struct k_sonet_stats {
85281 -#define __HANDLE_ITEM(i) atomic_t i
85282 +#define __HANDLE_ITEM(i) atomic_unchecked_t i
85283 __SONET_ITEMS
85284 #undef __HANDLE_ITEM
85285 };
85286 diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
85287 index 07d8e53..dc934c9 100644
85288 --- a/include/linux/sunrpc/addr.h
85289 +++ b/include/linux/sunrpc/addr.h
85290 @@ -23,9 +23,9 @@ static inline unsigned short rpc_get_port(const struct sockaddr *sap)
85291 {
85292 switch (sap->sa_family) {
85293 case AF_INET:
85294 - return ntohs(((struct sockaddr_in *)sap)->sin_port);
85295 + return ntohs(((const struct sockaddr_in *)sap)->sin_port);
85296 case AF_INET6:
85297 - return ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
85298 + return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port);
85299 }
85300 return 0;
85301 }
85302 @@ -58,7 +58,7 @@ static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1,
85303 static inline bool __rpc_copy_addr4(struct sockaddr *dst,
85304 const struct sockaddr *src)
85305 {
85306 - const struct sockaddr_in *ssin = (struct sockaddr_in *) src;
85307 + const struct sockaddr_in *ssin = (const struct sockaddr_in *) src;
85308 struct sockaddr_in *dsin = (struct sockaddr_in *) dst;
85309
85310 dsin->sin_family = ssin->sin_family;
85311 @@ -164,7 +164,7 @@ static inline u32 rpc_get_scope_id(const struct sockaddr *sa)
85312 if (sa->sa_family != AF_INET6)
85313 return 0;
85314
85315 - return ((struct sockaddr_in6 *) sa)->sin6_scope_id;
85316 + return ((const struct sockaddr_in6 *) sa)->sin6_scope_id;
85317 }
85318
85319 #endif /* _LINUX_SUNRPC_ADDR_H */
85320 diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
85321 index 70736b9..37f33db 100644
85322 --- a/include/linux/sunrpc/clnt.h
85323 +++ b/include/linux/sunrpc/clnt.h
85324 @@ -97,7 +97,7 @@ struct rpc_procinfo {
85325 unsigned int p_timer; /* Which RTT timer to use */
85326 u32 p_statidx; /* Which procedure to account */
85327 const char * p_name; /* name of procedure */
85328 -};
85329 +} __do_const;
85330
85331 #ifdef __KERNEL__
85332
85333 diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
85334 index 2167846..0648fc3 100644
85335 --- a/include/linux/sunrpc/svc.h
85336 +++ b/include/linux/sunrpc/svc.h
85337 @@ -416,7 +416,7 @@ struct svc_procedure {
85338 unsigned int pc_count; /* call count */
85339 unsigned int pc_cachetype; /* cache info (NFS) */
85340 unsigned int pc_xdrressize; /* maximum size of XDR reply */
85341 -};
85342 +} __do_const;
85343
85344 /*
85345 * Function prototypes.
85346 diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
85347 index 975da75..318c083 100644
85348 --- a/include/linux/sunrpc/svc_rdma.h
85349 +++ b/include/linux/sunrpc/svc_rdma.h
85350 @@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord;
85351 extern unsigned int svcrdma_max_requests;
85352 extern unsigned int svcrdma_max_req_size;
85353
85354 -extern atomic_t rdma_stat_recv;
85355 -extern atomic_t rdma_stat_read;
85356 -extern atomic_t rdma_stat_write;
85357 -extern atomic_t rdma_stat_sq_starve;
85358 -extern atomic_t rdma_stat_rq_starve;
85359 -extern atomic_t rdma_stat_rq_poll;
85360 -extern atomic_t rdma_stat_rq_prod;
85361 -extern atomic_t rdma_stat_sq_poll;
85362 -extern atomic_t rdma_stat_sq_prod;
85363 +extern atomic_unchecked_t rdma_stat_recv;
85364 +extern atomic_unchecked_t rdma_stat_read;
85365 +extern atomic_unchecked_t rdma_stat_write;
85366 +extern atomic_unchecked_t rdma_stat_sq_starve;
85367 +extern atomic_unchecked_t rdma_stat_rq_starve;
85368 +extern atomic_unchecked_t rdma_stat_rq_poll;
85369 +extern atomic_unchecked_t rdma_stat_rq_prod;
85370 +extern atomic_unchecked_t rdma_stat_sq_poll;
85371 +extern atomic_unchecked_t rdma_stat_sq_prod;
85372
85373 #define RPCRDMA_VERSION 1
85374
85375 diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
85376 index 8d71d65..f79586e 100644
85377 --- a/include/linux/sunrpc/svcauth.h
85378 +++ b/include/linux/sunrpc/svcauth.h
85379 @@ -120,7 +120,7 @@ struct auth_ops {
85380 int (*release)(struct svc_rqst *rq);
85381 void (*domain_release)(struct auth_domain *);
85382 int (*set_client)(struct svc_rqst *rq);
85383 -};
85384 +} __do_const;
85385
85386 #define SVC_GARBAGE 1
85387 #define SVC_SYSERR 2
85388 diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
85389 index e7a018e..49f8b17 100644
85390 --- a/include/linux/swiotlb.h
85391 +++ b/include/linux/swiotlb.h
85392 @@ -60,7 +60,8 @@ extern void
85393
85394 extern void
85395 swiotlb_free_coherent(struct device *hwdev, size_t size,
85396 - void *vaddr, dma_addr_t dma_handle);
85397 + void *vaddr, dma_addr_t dma_handle,
85398 + struct dma_attrs *attrs);
85399
85400 extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
85401 unsigned long offset, size_t size,
85402 diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
85403 index bda9b81..629e06e 100644
85404 --- a/include/linux/syscalls.h
85405 +++ b/include/linux/syscalls.h
85406 @@ -99,10 +99,16 @@ union bpf_attr;
85407 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
85408
85409 #define __SC_DECL(t, a) t a
85410 +#define __TYPE_IS_U(t) (__same_type((t)0, 0UL) || __same_type((t)0, 0U) || __same_type((t)0, (unsigned short)0) || __same_type((t)0, (unsigned char)0))
85411 #define __TYPE_IS_L(t) (__same_type((t)0, 0L))
85412 #define __TYPE_IS_UL(t) (__same_type((t)0, 0UL))
85413 #define __TYPE_IS_LL(t) (__same_type((t)0, 0LL) || __same_type((t)0, 0ULL))
85414 -#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
85415 +#define __SC_LONG(t, a) __typeof( \
85416 + __builtin_choose_expr( \
85417 + sizeof(t) > sizeof(int), \
85418 + (t) 0, \
85419 + __builtin_choose_expr(__TYPE_IS_U(t), 0UL, 0L) \
85420 + )) a
85421 #define __SC_CAST(t, a) (t) a
85422 #define __SC_ARGS(t, a) a
85423 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
85424 @@ -384,11 +390,11 @@ asmlinkage long sys_sync(void);
85425 asmlinkage long sys_fsync(unsigned int fd);
85426 asmlinkage long sys_fdatasync(unsigned int fd);
85427 asmlinkage long sys_bdflush(int func, long data);
85428 -asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
85429 - char __user *type, unsigned long flags,
85430 +asmlinkage long sys_mount(const char __user *dev_name, const char __user *dir_name,
85431 + const char __user *type, unsigned long flags,
85432 void __user *data);
85433 -asmlinkage long sys_umount(char __user *name, int flags);
85434 -asmlinkage long sys_oldumount(char __user *name);
85435 +asmlinkage long sys_umount(const char __user *name, int flags);
85436 +asmlinkage long sys_oldumount(const char __user *name);
85437 asmlinkage long sys_truncate(const char __user *path, long length);
85438 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
85439 asmlinkage long sys_stat(const char __user *filename,
85440 @@ -600,7 +606,7 @@ asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
85441 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
85442 asmlinkage long sys_send(int, void __user *, size_t, unsigned);
85443 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
85444 - struct sockaddr __user *, int);
85445 + struct sockaddr __user *, int) __intentional_overflow(0);
85446 asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
85447 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
85448 unsigned int vlen, unsigned flags);
85449 diff --git a/include/linux/syscore_ops.h b/include/linux/syscore_ops.h
85450 index 27b3b0b..e093dd9 100644
85451 --- a/include/linux/syscore_ops.h
85452 +++ b/include/linux/syscore_ops.h
85453 @@ -16,7 +16,7 @@ struct syscore_ops {
85454 int (*suspend)(void);
85455 void (*resume)(void);
85456 void (*shutdown)(void);
85457 -};
85458 +} __do_const;
85459
85460 extern void register_syscore_ops(struct syscore_ops *ops);
85461 extern void unregister_syscore_ops(struct syscore_ops *ops);
85462 diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
85463 index b7361f8..341a15a 100644
85464 --- a/include/linux/sysctl.h
85465 +++ b/include/linux/sysctl.h
85466 @@ -39,6 +39,8 @@ typedef int proc_handler (struct ctl_table *ctl, int write,
85467
85468 extern int proc_dostring(struct ctl_table *, int,
85469 void __user *, size_t *, loff_t *);
85470 +extern int proc_dostring_modpriv(struct ctl_table *, int,
85471 + void __user *, size_t *, loff_t *);
85472 extern int proc_dointvec(struct ctl_table *, int,
85473 void __user *, size_t *, loff_t *);
85474 extern int proc_dointvec_minmax(struct ctl_table *, int,
85475 @@ -113,7 +115,8 @@ struct ctl_table
85476 struct ctl_table_poll *poll;
85477 void *extra1;
85478 void *extra2;
85479 -};
85480 +} __do_const __randomize_layout;
85481 +typedef struct ctl_table __no_const ctl_table_no_const;
85482
85483 struct ctl_node {
85484 struct rb_node node;
85485 diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
85486 index f97d0db..c1187dc 100644
85487 --- a/include/linux/sysfs.h
85488 +++ b/include/linux/sysfs.h
85489 @@ -34,7 +34,8 @@ struct attribute {
85490 struct lock_class_key *key;
85491 struct lock_class_key skey;
85492 #endif
85493 -};
85494 +} __do_const;
85495 +typedef struct attribute __no_const attribute_no_const;
85496
85497 /**
85498 * sysfs_attr_init - initialize a dynamically allocated sysfs attribute
85499 @@ -63,7 +64,8 @@ struct attribute_group {
85500 struct attribute *, int);
85501 struct attribute **attrs;
85502 struct bin_attribute **bin_attrs;
85503 -};
85504 +} __do_const;
85505 +typedef struct attribute_group __no_const attribute_group_no_const;
85506
85507 /**
85508 * Use these macros to make defining attributes easier. See include/linux/device.h
85509 @@ -128,7 +130,8 @@ struct bin_attribute {
85510 char *, loff_t, size_t);
85511 int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
85512 struct vm_area_struct *vma);
85513 -};
85514 +} __do_const;
85515 +typedef struct bin_attribute __no_const bin_attribute_no_const;
85516
85517 /**
85518 * sysfs_bin_attr_init - initialize a dynamically allocated bin_attribute
85519 diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h
85520 index 387fa7d..3fcde6b 100644
85521 --- a/include/linux/sysrq.h
85522 +++ b/include/linux/sysrq.h
85523 @@ -16,6 +16,7 @@
85524
85525 #include <linux/errno.h>
85526 #include <linux/types.h>
85527 +#include <linux/compiler.h>
85528
85529 /* Possible values of bitmask for enabling sysrq functions */
85530 /* 0x0001 is reserved for enable everything */
85531 @@ -33,7 +34,7 @@ struct sysrq_key_op {
85532 char *help_msg;
85533 char *action_msg;
85534 int enable_mask;
85535 -};
85536 +} __do_const;
85537
85538 #ifdef CONFIG_MAGIC_SYSRQ
85539
85540 diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
85541 index ff307b5..f1a4468 100644
85542 --- a/include/linux/thread_info.h
85543 +++ b/include/linux/thread_info.h
85544 @@ -145,6 +145,13 @@ static inline bool test_and_clear_restore_sigmask(void)
85545 #error "no set_restore_sigmask() provided and default one won't work"
85546 #endif
85547
85548 +extern void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size);
85549 +
85550 +static inline void check_object_size(const void *ptr, unsigned long n, bool to_user)
85551 +{
85552 + __check_object_size(ptr, n, to_user, __builtin_constant_p(n));
85553 +}
85554 +
85555 #endif /* __KERNEL__ */
85556
85557 #endif /* _LINUX_THREAD_INFO_H */
85558 diff --git a/include/linux/tty.h b/include/linux/tty.h
85559 index 5171ef8..1048d83e 100644
85560 --- a/include/linux/tty.h
85561 +++ b/include/linux/tty.h
85562 @@ -202,7 +202,7 @@ struct tty_port {
85563 const struct tty_port_operations *ops; /* Port operations */
85564 spinlock_t lock; /* Lock protecting tty field */
85565 int blocked_open; /* Waiting to open */
85566 - int count; /* Usage count */
85567 + atomic_t count; /* Usage count */
85568 wait_queue_head_t open_wait; /* Open waiters */
85569 wait_queue_head_t close_wait; /* Close waiters */
85570 wait_queue_head_t delta_msr_wait; /* Modem status change */
85571 @@ -290,7 +290,7 @@ struct tty_struct {
85572 /* If the tty has a pending do_SAK, queue it here - akpm */
85573 struct work_struct SAK_work;
85574 struct tty_port *port;
85575 -};
85576 +} __randomize_layout;
85577
85578 /* Each of a tty's open files has private_data pointing to tty_file_private */
85579 struct tty_file_private {
85580 @@ -555,7 +555,7 @@ extern int tty_port_open(struct tty_port *port,
85581 struct tty_struct *tty, struct file *filp);
85582 static inline int tty_port_users(struct tty_port *port)
85583 {
85584 - return port->count + port->blocked_open;
85585 + return atomic_read(&port->count) + port->blocked_open;
85586 }
85587
85588 extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
85589 diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
85590 index 92e337c..f46757b 100644
85591 --- a/include/linux/tty_driver.h
85592 +++ b/include/linux/tty_driver.h
85593 @@ -291,7 +291,7 @@ struct tty_operations {
85594 void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
85595 #endif
85596 const struct file_operations *proc_fops;
85597 -};
85598 +} __do_const __randomize_layout;
85599
85600 struct tty_driver {
85601 int magic; /* magic number for this structure */
85602 @@ -325,7 +325,7 @@ struct tty_driver {
85603
85604 const struct tty_operations *ops;
85605 struct list_head tty_drivers;
85606 -};
85607 +} __randomize_layout;
85608
85609 extern struct list_head tty_drivers;
85610
85611 diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
85612 index 00c9d68..bc0188b 100644
85613 --- a/include/linux/tty_ldisc.h
85614 +++ b/include/linux/tty_ldisc.h
85615 @@ -215,7 +215,7 @@ struct tty_ldisc_ops {
85616
85617 struct module *owner;
85618
85619 - int refcount;
85620 + atomic_t refcount;
85621 };
85622
85623 struct tty_ldisc {
85624 diff --git a/include/linux/types.h b/include/linux/types.h
85625 index a0bb704..f511c77 100644
85626 --- a/include/linux/types.h
85627 +++ b/include/linux/types.h
85628 @@ -177,10 +177,26 @@ typedef struct {
85629 int counter;
85630 } atomic_t;
85631
85632 +#ifdef CONFIG_PAX_REFCOUNT
85633 +typedef struct {
85634 + int counter;
85635 +} atomic_unchecked_t;
85636 +#else
85637 +typedef atomic_t atomic_unchecked_t;
85638 +#endif
85639 +
85640 #ifdef CONFIG_64BIT
85641 typedef struct {
85642 long counter;
85643 } atomic64_t;
85644 +
85645 +#ifdef CONFIG_PAX_REFCOUNT
85646 +typedef struct {
85647 + long counter;
85648 +} atomic64_unchecked_t;
85649 +#else
85650 +typedef atomic64_t atomic64_unchecked_t;
85651 +#endif
85652 #endif
85653
85654 struct list_head {
85655 diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
85656 index ecd3319..8a36ded 100644
85657 --- a/include/linux/uaccess.h
85658 +++ b/include/linux/uaccess.h
85659 @@ -75,11 +75,11 @@ static inline unsigned long __copy_from_user_nocache(void *to,
85660 long ret; \
85661 mm_segment_t old_fs = get_fs(); \
85662 \
85663 - set_fs(KERNEL_DS); \
85664 pagefault_disable(); \
85665 - ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \
85666 - pagefault_enable(); \
85667 + set_fs(KERNEL_DS); \
85668 + ret = __copy_from_user_inatomic(&(retval), (typeof(retval) __force_user *)(addr), sizeof(retval)); \
85669 set_fs(old_fs); \
85670 + pagefault_enable(); \
85671 ret; \
85672 })
85673
85674 diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h
85675 index 2d1f9b6..d7a9fce 100644
85676 --- a/include/linux/uidgid.h
85677 +++ b/include/linux/uidgid.h
85678 @@ -175,4 +175,9 @@ static inline bool kgid_has_mapping(struct user_namespace *ns, kgid_t gid)
85679
85680 #endif /* CONFIG_USER_NS */
85681
85682 +#define GR_GLOBAL_UID(x) from_kuid_munged(&init_user_ns, (x))
85683 +#define GR_GLOBAL_GID(x) from_kgid_munged(&init_user_ns, (x))
85684 +#define gr_is_global_root(x) uid_eq((x), GLOBAL_ROOT_UID)
85685 +#define gr_is_global_nonroot(x) (!uid_eq((x), GLOBAL_ROOT_UID))
85686 +
85687 #endif /* _LINUX_UIDGID_H */
85688 diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
85689 index baa8171..9ca98ba 100644
85690 --- a/include/linux/uio_driver.h
85691 +++ b/include/linux/uio_driver.h
85692 @@ -67,7 +67,7 @@ struct uio_device {
85693 struct module *owner;
85694 struct device *dev;
85695 int minor;
85696 - atomic_t event;
85697 + atomic_unchecked_t event;
85698 struct fasync_struct *async_queue;
85699 wait_queue_head_t wait;
85700 struct uio_info *info;
85701 diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h
85702 index 99c1b4d..562e6f3 100644
85703 --- a/include/linux/unaligned/access_ok.h
85704 +++ b/include/linux/unaligned/access_ok.h
85705 @@ -4,34 +4,34 @@
85706 #include <linux/kernel.h>
85707 #include <asm/byteorder.h>
85708
85709 -static inline u16 get_unaligned_le16(const void *p)
85710 +static inline u16 __intentional_overflow(-1) get_unaligned_le16(const void *p)
85711 {
85712 - return le16_to_cpup((__le16 *)p);
85713 + return le16_to_cpup((const __le16 *)p);
85714 }
85715
85716 -static inline u32 get_unaligned_le32(const void *p)
85717 +static inline u32 __intentional_overflow(-1) get_unaligned_le32(const void *p)
85718 {
85719 - return le32_to_cpup((__le32 *)p);
85720 + return le32_to_cpup((const __le32 *)p);
85721 }
85722
85723 -static inline u64 get_unaligned_le64(const void *p)
85724 +static inline u64 __intentional_overflow(-1) get_unaligned_le64(const void *p)
85725 {
85726 - return le64_to_cpup((__le64 *)p);
85727 + return le64_to_cpup((const __le64 *)p);
85728 }
85729
85730 -static inline u16 get_unaligned_be16(const void *p)
85731 +static inline u16 __intentional_overflow(-1) get_unaligned_be16(const void *p)
85732 {
85733 - return be16_to_cpup((__be16 *)p);
85734 + return be16_to_cpup((const __be16 *)p);
85735 }
85736
85737 -static inline u32 get_unaligned_be32(const void *p)
85738 +static inline u32 __intentional_overflow(-1) get_unaligned_be32(const void *p)
85739 {
85740 - return be32_to_cpup((__be32 *)p);
85741 + return be32_to_cpup((const __be32 *)p);
85742 }
85743
85744 -static inline u64 get_unaligned_be64(const void *p)
85745 +static inline u64 __intentional_overflow(-1) get_unaligned_be64(const void *p)
85746 {
85747 - return be64_to_cpup((__be64 *)p);
85748 + return be64_to_cpup((const __be64 *)p);
85749 }
85750
85751 static inline void put_unaligned_le16(u16 val, void *p)
85752 diff --git a/include/linux/usb.h b/include/linux/usb.h
85753 index 447a7e2..9cea7e9 100644
85754 --- a/include/linux/usb.h
85755 +++ b/include/linux/usb.h
85756 @@ -571,7 +571,7 @@ struct usb_device {
85757 int maxchild;
85758
85759 u32 quirks;
85760 - atomic_t urbnum;
85761 + atomic_unchecked_t urbnum;
85762
85763 unsigned long active_duration;
85764
85765 @@ -1655,7 +1655,7 @@ void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in,
85766
85767 extern int usb_control_msg(struct usb_device *dev, unsigned int pipe,
85768 __u8 request, __u8 requesttype, __u16 value, __u16 index,
85769 - void *data, __u16 size, int timeout);
85770 + void *data, __u16 size, int timeout) __intentional_overflow(-1);
85771 extern int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe,
85772 void *data, int len, int *actual_length, int timeout);
85773 extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
85774 diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
85775 index d5952bb..9a626d4 100644
85776 --- a/include/linux/usb/renesas_usbhs.h
85777 +++ b/include/linux/usb/renesas_usbhs.h
85778 @@ -39,7 +39,7 @@ enum {
85779 */
85780 struct renesas_usbhs_driver_callback {
85781 int (*notify_hotplug)(struct platform_device *pdev);
85782 -};
85783 +} __no_const;
85784
85785 /*
85786 * callback functions for platform
85787 diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
85788 index 9f3579f..3b2afa5 100644
85789 --- a/include/linux/user_namespace.h
85790 +++ b/include/linux/user_namespace.h
85791 @@ -38,7 +38,7 @@ struct user_namespace {
85792 struct key *persistent_keyring_register;
85793 struct rw_semaphore persistent_keyring_register_sem;
85794 #endif
85795 -};
85796 +} __randomize_layout;
85797
85798 extern struct user_namespace init_user_ns;
85799
85800 diff --git a/include/linux/utsname.h b/include/linux/utsname.h
85801 index 239e277..22a5cf5 100644
85802 --- a/include/linux/utsname.h
85803 +++ b/include/linux/utsname.h
85804 @@ -24,7 +24,7 @@ struct uts_namespace {
85805 struct new_utsname name;
85806 struct user_namespace *user_ns;
85807 unsigned int proc_inum;
85808 -};
85809 +} __randomize_layout;
85810 extern struct uts_namespace init_uts_ns;
85811
85812 #ifdef CONFIG_UTS_NS
85813 diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
85814 index 6f8fbcf..4efc177 100644
85815 --- a/include/linux/vermagic.h
85816 +++ b/include/linux/vermagic.h
85817 @@ -25,9 +25,42 @@
85818 #define MODULE_ARCH_VERMAGIC ""
85819 #endif
85820
85821 +#ifdef CONFIG_PAX_REFCOUNT
85822 +#define MODULE_PAX_REFCOUNT "REFCOUNT "
85823 +#else
85824 +#define MODULE_PAX_REFCOUNT ""
85825 +#endif
85826 +
85827 +#ifdef CONSTIFY_PLUGIN
85828 +#define MODULE_CONSTIFY_PLUGIN "CONSTIFY_PLUGIN "
85829 +#else
85830 +#define MODULE_CONSTIFY_PLUGIN ""
85831 +#endif
85832 +
85833 +#ifdef STACKLEAK_PLUGIN
85834 +#define MODULE_STACKLEAK_PLUGIN "STACKLEAK_PLUGIN "
85835 +#else
85836 +#define MODULE_STACKLEAK_PLUGIN ""
85837 +#endif
85838 +
85839 +#ifdef RANDSTRUCT_PLUGIN
85840 +#include <generated/randomize_layout_hash.h>
85841 +#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED
85842 +#else
85843 +#define MODULE_RANDSTRUCT_PLUGIN
85844 +#endif
85845 +
85846 +#ifdef CONFIG_GRKERNSEC
85847 +#define MODULE_GRSEC "GRSEC "
85848 +#else
85849 +#define MODULE_GRSEC ""
85850 +#endif
85851 +
85852 #define VERMAGIC_STRING \
85853 UTS_RELEASE " " \
85854 MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
85855 MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
85856 - MODULE_ARCH_VERMAGIC
85857 + MODULE_ARCH_VERMAGIC \
85858 + MODULE_PAX_REFCOUNT MODULE_CONSTIFY_PLUGIN MODULE_STACKLEAK_PLUGIN \
85859 + MODULE_GRSEC MODULE_RANDSTRUCT_PLUGIN
85860
85861 diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
85862 index b483abd..af305ad 100644
85863 --- a/include/linux/vga_switcheroo.h
85864 +++ b/include/linux/vga_switcheroo.h
85865 @@ -63,9 +63,9 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev);
85866
85867 void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic);
85868
85869 -int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain);
85870 +int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain);
85871 void vga_switcheroo_fini_domain_pm_ops(struct device *dev);
85872 -int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain);
85873 +int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain);
85874 #else
85875
85876 static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {}
85877 @@ -82,9 +82,9 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return
85878
85879 static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {}
85880
85881 -static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
85882 +static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; }
85883 static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {}
85884 -static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
85885 +static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; }
85886
85887 #endif
85888 #endif /* _LINUX_VGA_SWITCHEROO_H_ */
85889 diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
85890 index b87696f..1d11de7 100644
85891 --- a/include/linux/vmalloc.h
85892 +++ b/include/linux/vmalloc.h
85893 @@ -16,6 +16,11 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */
85894 #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
85895 #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */
85896 #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */
85897 +
85898 +#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
85899 +#define VM_KERNEXEC 0x00000040 /* allocate from executable kernel memory range */
85900 +#endif
85901 +
85902 /* bits [20..32] reserved for arch specific ioremap internals */
85903
85904 /*
85905 @@ -82,6 +87,10 @@ extern void *vmap(struct page **pages, unsigned int count,
85906 unsigned long flags, pgprot_t prot);
85907 extern void vunmap(const void *addr);
85908
85909 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
85910 +extern void unmap_process_stacks(struct task_struct *task);
85911 +#endif
85912 +
85913 extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
85914 unsigned long uaddr, void *kaddr,
85915 unsigned long size);
85916 @@ -142,7 +151,7 @@ extern void free_vm_area(struct vm_struct *area);
85917
85918 /* for /dev/kmem */
85919 extern long vread(char *buf, char *addr, unsigned long count);
85920 -extern long vwrite(char *buf, char *addr, unsigned long count);
85921 +extern long vwrite(char *buf, char *addr, unsigned long count) __size_overflow(3);
85922
85923 /*
85924 * Internals. Dont't use..
85925 diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
85926 index 82e7db7..f8ce3d0 100644
85927 --- a/include/linux/vmstat.h
85928 +++ b/include/linux/vmstat.h
85929 @@ -108,18 +108,18 @@ static inline void vm_events_fold_cpu(int cpu)
85930 /*
85931 * Zone based page accounting with per cpu differentials.
85932 */
85933 -extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
85934 +extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
85935
85936 static inline void zone_page_state_add(long x, struct zone *zone,
85937 enum zone_stat_item item)
85938 {
85939 - atomic_long_add(x, &zone->vm_stat[item]);
85940 - atomic_long_add(x, &vm_stat[item]);
85941 + atomic_long_add_unchecked(x, &zone->vm_stat[item]);
85942 + atomic_long_add_unchecked(x, &vm_stat[item]);
85943 }
85944
85945 -static inline unsigned long global_page_state(enum zone_stat_item item)
85946 +static inline unsigned long __intentional_overflow(-1) global_page_state(enum zone_stat_item item)
85947 {
85948 - long x = atomic_long_read(&vm_stat[item]);
85949 + long x = atomic_long_read_unchecked(&vm_stat[item]);
85950 #ifdef CONFIG_SMP
85951 if (x < 0)
85952 x = 0;
85953 @@ -127,10 +127,10 @@ static inline unsigned long global_page_state(enum zone_stat_item item)
85954 return x;
85955 }
85956
85957 -static inline unsigned long zone_page_state(struct zone *zone,
85958 +static inline unsigned long __intentional_overflow(-1) zone_page_state(struct zone *zone,
85959 enum zone_stat_item item)
85960 {
85961 - long x = atomic_long_read(&zone->vm_stat[item]);
85962 + long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
85963 #ifdef CONFIG_SMP
85964 if (x < 0)
85965 x = 0;
85966 @@ -147,7 +147,7 @@ static inline unsigned long zone_page_state(struct zone *zone,
85967 static inline unsigned long zone_page_state_snapshot(struct zone *zone,
85968 enum zone_stat_item item)
85969 {
85970 - long x = atomic_long_read(&zone->vm_stat[item]);
85971 + long x = atomic_long_read_unchecked(&zone->vm_stat[item]);
85972
85973 #ifdef CONFIG_SMP
85974 int cpu;
85975 @@ -234,14 +234,14 @@ static inline void __mod_zone_page_state(struct zone *zone,
85976
85977 static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
85978 {
85979 - atomic_long_inc(&zone->vm_stat[item]);
85980 - atomic_long_inc(&vm_stat[item]);
85981 + atomic_long_inc_unchecked(&zone->vm_stat[item]);
85982 + atomic_long_inc_unchecked(&vm_stat[item]);
85983 }
85984
85985 static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
85986 {
85987 - atomic_long_dec(&zone->vm_stat[item]);
85988 - atomic_long_dec(&vm_stat[item]);
85989 + atomic_long_dec_unchecked(&zone->vm_stat[item]);
85990 + atomic_long_dec_unchecked(&vm_stat[item]);
85991 }
85992
85993 static inline void __inc_zone_page_state(struct page *page,
85994 diff --git a/include/linux/xattr.h b/include/linux/xattr.h
85995 index 91b0a68..0e9adf6 100644
85996 --- a/include/linux/xattr.h
85997 +++ b/include/linux/xattr.h
85998 @@ -28,7 +28,7 @@ struct xattr_handler {
85999 size_t size, int handler_flags);
86000 int (*set)(struct dentry *dentry, const char *name, const void *buffer,
86001 size_t size, int flags, int handler_flags);
86002 -};
86003 +} __do_const;
86004
86005 struct xattr {
86006 const char *name;
86007 @@ -37,6 +37,9 @@ struct xattr {
86008 };
86009
86010 ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t);
86011 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
86012 +ssize_t pax_getxattr(struct dentry *, void *, size_t);
86013 +#endif
86014 ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
86015 ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
86016 int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int);
86017 diff --git a/include/linux/zlib.h b/include/linux/zlib.h
86018 index 92dbbd3..13ab0b3 100644
86019 --- a/include/linux/zlib.h
86020 +++ b/include/linux/zlib.h
86021 @@ -31,6 +31,7 @@
86022 #define _ZLIB_H
86023
86024 #include <linux/zconf.h>
86025 +#include <linux/compiler.h>
86026
86027 /* zlib deflate based on ZLIB_VERSION "1.1.3" */
86028 /* zlib inflate based on ZLIB_VERSION "1.2.3" */
86029 @@ -179,7 +180,7 @@ typedef z_stream *z_streamp;
86030
86031 /* basic functions */
86032
86033 -extern int zlib_deflate_workspacesize (int windowBits, int memLevel);
86034 +extern int zlib_deflate_workspacesize (int windowBits, int memLevel) __intentional_overflow(0);
86035 /*
86036 Returns the number of bytes that needs to be allocated for a per-
86037 stream workspace with the specified parameters. A pointer to this
86038 diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
86039 index eb76cfd..9fd0e7c 100644
86040 --- a/include/media/v4l2-dev.h
86041 +++ b/include/media/v4l2-dev.h
86042 @@ -75,7 +75,7 @@ struct v4l2_file_operations {
86043 int (*mmap) (struct file *, struct vm_area_struct *);
86044 int (*open) (struct file *);
86045 int (*release) (struct file *);
86046 -};
86047 +} __do_const;
86048
86049 /*
86050 * Newer version of video_device, handled by videodev2.c
86051 diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
86052 index ffb69da..040393e 100644
86053 --- a/include/media/v4l2-device.h
86054 +++ b/include/media/v4l2-device.h
86055 @@ -95,7 +95,7 @@ int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4
86056 this function returns 0. If the name ends with a digit (e.g. cx18),
86057 then the name will be set to cx18-0 since cx180 looks really odd. */
86058 int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename,
86059 - atomic_t *instance);
86060 + atomic_unchecked_t *instance);
86061
86062 /* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects.
86063 Since the parent disappears this ensures that v4l2_dev doesn't have an
86064 diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
86065 index 2a25dec..bf6dd8a 100644
86066 --- a/include/net/9p/transport.h
86067 +++ b/include/net/9p/transport.h
86068 @@ -62,7 +62,7 @@ struct p9_trans_module {
86069 int (*cancelled)(struct p9_client *, struct p9_req_t *req);
86070 int (*zc_request)(struct p9_client *, struct p9_req_t *,
86071 char *, char *, int , int, int, int);
86072 -};
86073 +} __do_const;
86074
86075 void v9fs_register_trans(struct p9_trans_module *m);
86076 void v9fs_unregister_trans(struct p9_trans_module *m);
86077 diff --git a/include/net/af_unix.h b/include/net/af_unix.h
86078 index a175ba4..196eb8242 100644
86079 --- a/include/net/af_unix.h
86080 +++ b/include/net/af_unix.h
86081 @@ -36,7 +36,7 @@ struct unix_skb_parms {
86082 u32 secid; /* Security ID */
86083 #endif
86084 u32 consumed;
86085 -};
86086 +} __randomize_layout;
86087
86088 #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
86089 #define UNIXSID(skb) (&UNIXCB((skb)).secid)
86090 diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
86091 index ead99f0..6263c4b 100644
86092 --- a/include/net/bluetooth/l2cap.h
86093 +++ b/include/net/bluetooth/l2cap.h
86094 @@ -608,7 +608,7 @@ struct l2cap_ops {
86095 unsigned char *kdata,
86096 struct iovec *iov,
86097 int len);
86098 -};
86099 +} __do_const;
86100
86101 struct l2cap_conn {
86102 struct hci_conn *hcon;
86103 diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h
86104 index f2ae33d..c457cf0 100644
86105 --- a/include/net/caif/cfctrl.h
86106 +++ b/include/net/caif/cfctrl.h
86107 @@ -52,7 +52,7 @@ struct cfctrl_rsp {
86108 void (*radioset_rsp)(void);
86109 void (*reject_rsp)(struct cflayer *layer, u8 linkid,
86110 struct cflayer *client_layer);
86111 -};
86112 +} __no_const;
86113
86114 /* Link Setup Parameters for CAIF-Links. */
86115 struct cfctrl_link_param {
86116 @@ -101,8 +101,8 @@ struct cfctrl_request_info {
86117 struct cfctrl {
86118 struct cfsrvl serv;
86119 struct cfctrl_rsp res;
86120 - atomic_t req_seq_no;
86121 - atomic_t rsp_seq_no;
86122 + atomic_unchecked_t req_seq_no;
86123 + atomic_unchecked_t rsp_seq_no;
86124 struct list_head list;
86125 /* Protects from simultaneous access to first_req list */
86126 spinlock_t info_list_lock;
86127 diff --git a/include/net/flow.h b/include/net/flow.h
86128 index 8109a15..504466d 100644
86129 --- a/include/net/flow.h
86130 +++ b/include/net/flow.h
86131 @@ -231,6 +231,6 @@ void flow_cache_fini(struct net *net);
86132
86133 void flow_cache_flush(struct net *net);
86134 void flow_cache_flush_deferred(struct net *net);
86135 -extern atomic_t flow_cache_genid;
86136 +extern atomic_unchecked_t flow_cache_genid;
86137
86138 #endif
86139 diff --git a/include/net/genetlink.h b/include/net/genetlink.h
86140 index af10c2c..a431cc5 100644
86141 --- a/include/net/genetlink.h
86142 +++ b/include/net/genetlink.h
86143 @@ -120,7 +120,7 @@ struct genl_ops {
86144 u8 cmd;
86145 u8 internal_flags;
86146 u8 flags;
86147 -};
86148 +} __do_const;
86149
86150 int __genl_register_family(struct genl_family *family);
86151
86152 diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h
86153 index 734d9b5..48a9a4b 100644
86154 --- a/include/net/gro_cells.h
86155 +++ b/include/net/gro_cells.h
86156 @@ -29,7 +29,7 @@ static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *s
86157 cell += skb_get_rx_queue(skb) & gcells->gro_cells_mask;
86158
86159 if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) {
86160 - atomic_long_inc(&dev->rx_dropped);
86161 + atomic_long_inc_unchecked(&dev->rx_dropped);
86162 kfree_skb(skb);
86163 return;
86164 }
86165 diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
86166 index 848e85c..051c7de 100644
86167 --- a/include/net/inet_connection_sock.h
86168 +++ b/include/net/inet_connection_sock.h
86169 @@ -63,7 +63,7 @@ struct inet_connection_sock_af_ops {
86170 int (*bind_conflict)(const struct sock *sk,
86171 const struct inet_bind_bucket *tb, bool relax);
86172 void (*mtu_reduced)(struct sock *sk);
86173 -};
86174 +} __do_const;
86175
86176 /** inet_connection_sock - INET connection oriented sock
86177 *
86178 diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
86179 index 80479ab..0c3f647 100644
86180 --- a/include/net/inetpeer.h
86181 +++ b/include/net/inetpeer.h
86182 @@ -47,7 +47,7 @@ struct inet_peer {
86183 */
86184 union {
86185 struct {
86186 - atomic_t rid; /* Frag reception counter */
86187 + atomic_unchecked_t rid; /* Frag reception counter */
86188 };
86189 struct rcu_head rcu;
86190 struct inet_peer *gc_next;
86191 diff --git a/include/net/ip.h b/include/net/ip.h
86192 index 0bb6207..1f38247 100644
86193 --- a/include/net/ip.h
86194 +++ b/include/net/ip.h
86195 @@ -39,11 +39,12 @@ struct inet_skb_parm {
86196 struct ip_options opt; /* Compiled IP options */
86197 unsigned char flags;
86198
86199 -#define IPSKB_FORWARDED 1
86200 -#define IPSKB_XFRM_TUNNEL_SIZE 2
86201 -#define IPSKB_XFRM_TRANSFORMED 4
86202 -#define IPSKB_FRAG_COMPLETE 8
86203 -#define IPSKB_REROUTED 16
86204 +#define IPSKB_FORWARDED BIT(0)
86205 +#define IPSKB_XFRM_TUNNEL_SIZE BIT(1)
86206 +#define IPSKB_XFRM_TRANSFORMED BIT(2)
86207 +#define IPSKB_FRAG_COMPLETE BIT(3)
86208 +#define IPSKB_REROUTED BIT(4)
86209 +#define IPSKB_DOREDIRECT BIT(5)
86210
86211 u16 frag_max_size;
86212 };
86213 @@ -316,7 +317,7 @@ static inline unsigned int ip_skb_dst_mtu(const struct sk_buff *skb)
86214 }
86215 }
86216
86217 -u32 ip_idents_reserve(u32 hash, int segs);
86218 +u32 ip_idents_reserve(u32 hash, int segs) __intentional_overflow(-1);
86219 void __ip_select_ident(struct iphdr *iph, int segs);
86220
86221 static inline void ip_select_ident_segs(struct sk_buff *skb, struct sock *sk, int segs)
86222 diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
86223 index dc9d2a2..d985691 100644
86224 --- a/include/net/ip_fib.h
86225 +++ b/include/net/ip_fib.h
86226 @@ -170,7 +170,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
86227
86228 #define FIB_RES_SADDR(net, res) \
86229 ((FIB_RES_NH(res).nh_saddr_genid == \
86230 - atomic_read(&(net)->ipv4.dev_addr_genid)) ? \
86231 + atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \
86232 FIB_RES_NH(res).nh_saddr : \
86233 fib_info_update_nh_saddr((net), &FIB_RES_NH(res)))
86234 #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw)
86235 diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
86236 index 615b20b..fd4cbd8 100644
86237 --- a/include/net/ip_vs.h
86238 +++ b/include/net/ip_vs.h
86239 @@ -534,7 +534,7 @@ struct ip_vs_conn {
86240 struct ip_vs_conn *control; /* Master control connection */
86241 atomic_t n_control; /* Number of controlled ones */
86242 struct ip_vs_dest *dest; /* real server */
86243 - atomic_t in_pkts; /* incoming packet counter */
86244 + atomic_unchecked_t in_pkts; /* incoming packet counter */
86245
86246 /* Packet transmitter for different forwarding methods. If it
86247 * mangles the packet, it must return NF_DROP or better NF_STOLEN,
86248 @@ -682,7 +682,7 @@ struct ip_vs_dest {
86249 __be16 port; /* port number of the server */
86250 union nf_inet_addr addr; /* IP address of the server */
86251 volatile unsigned int flags; /* dest status flags */
86252 - atomic_t conn_flags; /* flags to copy to conn */
86253 + atomic_unchecked_t conn_flags; /* flags to copy to conn */
86254 atomic_t weight; /* server weight */
86255
86256 atomic_t refcnt; /* reference counter */
86257 @@ -928,11 +928,11 @@ struct netns_ipvs {
86258 /* ip_vs_lblc */
86259 int sysctl_lblc_expiration;
86260 struct ctl_table_header *lblc_ctl_header;
86261 - struct ctl_table *lblc_ctl_table;
86262 + ctl_table_no_const *lblc_ctl_table;
86263 /* ip_vs_lblcr */
86264 int sysctl_lblcr_expiration;
86265 struct ctl_table_header *lblcr_ctl_header;
86266 - struct ctl_table *lblcr_ctl_table;
86267 + ctl_table_no_const *lblcr_ctl_table;
86268 /* ip_vs_est */
86269 struct list_head est_list; /* estimator list */
86270 spinlock_t est_lock;
86271 diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h
86272 index 8d4f588..2e37ad2 100644
86273 --- a/include/net/irda/ircomm_tty.h
86274 +++ b/include/net/irda/ircomm_tty.h
86275 @@ -33,6 +33,7 @@
86276 #include <linux/termios.h>
86277 #include <linux/timer.h>
86278 #include <linux/tty.h> /* struct tty_struct */
86279 +#include <asm/local.h>
86280
86281 #include <net/irda/irias_object.h>
86282 #include <net/irda/ircomm_core.h>
86283 diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
86284 index 714cc9a..ea05f3e 100644
86285 --- a/include/net/iucv/af_iucv.h
86286 +++ b/include/net/iucv/af_iucv.h
86287 @@ -149,7 +149,7 @@ struct iucv_skb_cb {
86288 struct iucv_sock_list {
86289 struct hlist_head head;
86290 rwlock_t lock;
86291 - atomic_t autobind_name;
86292 + atomic_unchecked_t autobind_name;
86293 };
86294
86295 unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
86296 diff --git a/include/net/llc_c_ac.h b/include/net/llc_c_ac.h
86297 index f3be818..bf46196 100644
86298 --- a/include/net/llc_c_ac.h
86299 +++ b/include/net/llc_c_ac.h
86300 @@ -87,7 +87,7 @@
86301 #define LLC_CONN_AC_STOP_SENDACK_TMR 70
86302 #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71
86303
86304 -typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
86305 +typedef int (* const llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
86306
86307 int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
86308 int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
86309 diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h
86310 index 3948cf1..83b28c4 100644
86311 --- a/include/net/llc_c_ev.h
86312 +++ b/include/net/llc_c_ev.h
86313 @@ -125,8 +125,8 @@ static __inline__ struct llc_conn_state_ev *llc_conn_ev(struct sk_buff *skb)
86314 return (struct llc_conn_state_ev *)skb->cb;
86315 }
86316
86317 -typedef int (*llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb);
86318 -typedef int (*llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb);
86319 +typedef int (* const llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb);
86320 +typedef int (* const llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb);
86321
86322 int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb);
86323 int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb);
86324 diff --git a/include/net/llc_c_st.h b/include/net/llc_c_st.h
86325 index 0e79cfb..f46db31 100644
86326 --- a/include/net/llc_c_st.h
86327 +++ b/include/net/llc_c_st.h
86328 @@ -37,7 +37,7 @@ struct llc_conn_state_trans {
86329 u8 next_state;
86330 llc_conn_ev_qfyr_t *ev_qualifiers;
86331 llc_conn_action_t *ev_actions;
86332 -};
86333 +} __do_const;
86334
86335 struct llc_conn_state {
86336 u8 current_state;
86337 diff --git a/include/net/llc_s_ac.h b/include/net/llc_s_ac.h
86338 index a61b98c..aade1eb 100644
86339 --- a/include/net/llc_s_ac.h
86340 +++ b/include/net/llc_s_ac.h
86341 @@ -23,7 +23,7 @@
86342 #define SAP_ACT_TEST_IND 9
86343
86344 /* All action functions must look like this */
86345 -typedef int (*llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb);
86346 +typedef int (* const llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb);
86347
86348 int llc_sap_action_unitdata_ind(struct llc_sap *sap, struct sk_buff *skb);
86349 int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb);
86350 diff --git a/include/net/llc_s_st.h b/include/net/llc_s_st.h
86351 index 567c681..cd73ac02 100644
86352 --- a/include/net/llc_s_st.h
86353 +++ b/include/net/llc_s_st.h
86354 @@ -20,7 +20,7 @@ struct llc_sap_state_trans {
86355 llc_sap_ev_t ev;
86356 u8 next_state;
86357 llc_sap_action_t *ev_actions;
86358 -};
86359 +} __do_const;
86360
86361 struct llc_sap_state {
86362 u8 curr_state;
86363 diff --git a/include/net/mac80211.h b/include/net/mac80211.h
86364 index a9de1da..df72057 100644
86365 --- a/include/net/mac80211.h
86366 +++ b/include/net/mac80211.h
86367 @@ -4645,7 +4645,7 @@ struct rate_control_ops {
86368 void (*remove_sta_debugfs)(void *priv, void *priv_sta);
86369
86370 u32 (*get_expected_throughput)(void *priv_sta);
86371 -};
86372 +} __do_const;
86373
86374 static inline int rate_supported(struct ieee80211_sta *sta,
86375 enum ieee80211_band band,
86376 diff --git a/include/net/neighbour.h b/include/net/neighbour.h
86377 index f60558d..e5ed9bd 100644
86378 --- a/include/net/neighbour.h
86379 +++ b/include/net/neighbour.h
86380 @@ -163,7 +163,7 @@ struct neigh_ops {
86381 void (*error_report)(struct neighbour *, struct sk_buff *);
86382 int (*output)(struct neighbour *, struct sk_buff *);
86383 int (*connected_output)(struct neighbour *, struct sk_buff *);
86384 -};
86385 +} __do_const;
86386
86387 struct pneigh_entry {
86388 struct pneigh_entry *next;
86389 @@ -217,7 +217,7 @@ struct neigh_table {
86390 struct neigh_statistics __percpu *stats;
86391 struct neigh_hash_table __rcu *nht;
86392 struct pneigh_entry **phash_buckets;
86393 -};
86394 +} __randomize_layout;
86395
86396 static inline int neigh_parms_family(struct neigh_parms *p)
86397 {
86398 diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
86399 index e0d6466..e2f3003 100644
86400 --- a/include/net/net_namespace.h
86401 +++ b/include/net/net_namespace.h
86402 @@ -129,8 +129,8 @@ struct net {
86403 struct netns_ipvs *ipvs;
86404 #endif
86405 struct sock *diag_nlsk;
86406 - atomic_t fnhe_genid;
86407 -};
86408 + atomic_unchecked_t fnhe_genid;
86409 +} __randomize_layout;
86410
86411 #include <linux/seq_file_net.h>
86412
86413 @@ -286,7 +286,11 @@ static inline struct net *read_pnet(struct net * const *pnet)
86414 #define __net_init __init
86415 #define __net_exit __exit_refok
86416 #define __net_initdata __initdata
86417 +#ifdef CONSTIFY_PLUGIN
86418 #define __net_initconst __initconst
86419 +#else
86420 +#define __net_initconst __initdata
86421 +#endif
86422 #endif
86423
86424 struct pernet_operations {
86425 @@ -296,7 +300,7 @@ struct pernet_operations {
86426 void (*exit_batch)(struct list_head *net_exit_list);
86427 int *id;
86428 size_t size;
86429 -};
86430 +} __do_const;
86431
86432 /*
86433 * Use these carefully. If you implement a network device and it
86434 @@ -344,12 +348,12 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
86435
86436 static inline int rt_genid_ipv4(struct net *net)
86437 {
86438 - return atomic_read(&net->ipv4.rt_genid);
86439 + return atomic_read_unchecked(&net->ipv4.rt_genid);
86440 }
86441
86442 static inline void rt_genid_bump_ipv4(struct net *net)
86443 {
86444 - atomic_inc(&net->ipv4.rt_genid);
86445 + atomic_inc_unchecked(&net->ipv4.rt_genid);
86446 }
86447
86448 extern void (*__fib6_flush_trees)(struct net *net);
86449 @@ -376,12 +380,12 @@ static inline void rt_genid_bump_all(struct net *net)
86450
86451 static inline int fnhe_genid(struct net *net)
86452 {
86453 - return atomic_read(&net->fnhe_genid);
86454 + return atomic_read_unchecked(&net->fnhe_genid);
86455 }
86456
86457 static inline void fnhe_genid_bump(struct net *net)
86458 {
86459 - atomic_inc(&net->fnhe_genid);
86460 + atomic_inc_unchecked(&net->fnhe_genid);
86461 }
86462
86463 #endif /* __NET_NET_NAMESPACE_H */
86464 diff --git a/include/net/netlink.h b/include/net/netlink.h
86465 index 7b903e1..ad9ca4b 100644
86466 --- a/include/net/netlink.h
86467 +++ b/include/net/netlink.h
86468 @@ -521,7 +521,7 @@ static inline void *nlmsg_get_pos(struct sk_buff *skb)
86469 static inline void nlmsg_trim(struct sk_buff *skb, const void *mark)
86470 {
86471 if (mark)
86472 - skb_trim(skb, (unsigned char *) mark - skb->data);
86473 + skb_trim(skb, (const unsigned char *) mark - skb->data);
86474 }
86475
86476 /**
86477 diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
86478 index 29d6a94..235d3d84 100644
86479 --- a/include/net/netns/conntrack.h
86480 +++ b/include/net/netns/conntrack.h
86481 @@ -14,10 +14,10 @@ struct nf_conntrack_ecache;
86482 struct nf_proto_net {
86483 #ifdef CONFIG_SYSCTL
86484 struct ctl_table_header *ctl_table_header;
86485 - struct ctl_table *ctl_table;
86486 + ctl_table_no_const *ctl_table;
86487 #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
86488 struct ctl_table_header *ctl_compat_header;
86489 - struct ctl_table *ctl_compat_table;
86490 + ctl_table_no_const *ctl_compat_table;
86491 #endif
86492 #endif
86493 unsigned int users;
86494 @@ -60,7 +60,7 @@ struct nf_ip_net {
86495 struct nf_icmp_net icmpv6;
86496 #if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
86497 struct ctl_table_header *ctl_table_header;
86498 - struct ctl_table *ctl_table;
86499 + ctl_table_no_const *ctl_table;
86500 #endif
86501 };
86502
86503 diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
86504 index 24945ce..f19e42f 100644
86505 --- a/include/net/netns/ipv4.h
86506 +++ b/include/net/netns/ipv4.h
86507 @@ -83,7 +83,7 @@ struct netns_ipv4 {
86508
86509 struct ping_group_range ping_group_range;
86510
86511 - atomic_t dev_addr_genid;
86512 + atomic_unchecked_t dev_addr_genid;
86513
86514 #ifdef CONFIG_SYSCTL
86515 unsigned long *sysctl_local_reserved_ports;
86516 @@ -97,6 +97,6 @@ struct netns_ipv4 {
86517 struct fib_rules_ops *mr_rules_ops;
86518 #endif
86519 #endif
86520 - atomic_t rt_genid;
86521 + atomic_unchecked_t rt_genid;
86522 };
86523 #endif
86524 diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
86525 index 69ae41f..4f94868 100644
86526 --- a/include/net/netns/ipv6.h
86527 +++ b/include/net/netns/ipv6.h
86528 @@ -75,8 +75,8 @@ struct netns_ipv6 {
86529 struct fib_rules_ops *mr6_rules_ops;
86530 #endif
86531 #endif
86532 - atomic_t dev_addr_genid;
86533 - atomic_t fib6_sernum;
86534 + atomic_unchecked_t dev_addr_genid;
86535 + atomic_unchecked_t fib6_sernum;
86536 };
86537
86538 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
86539 diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
86540 index 9da7982..099321b9 100644
86541 --- a/include/net/netns/xfrm.h
86542 +++ b/include/net/netns/xfrm.h
86543 @@ -78,7 +78,7 @@ struct netns_xfrm {
86544
86545 /* flow cache part */
86546 struct flow_cache flow_cache_global;
86547 - atomic_t flow_cache_genid;
86548 + atomic_unchecked_t flow_cache_genid;
86549 struct list_head flow_cache_gc_list;
86550 spinlock_t flow_cache_gc_lock;
86551 struct work_struct flow_cache_gc_work;
86552 diff --git a/include/net/ping.h b/include/net/ping.h
86553 index 026479b..d9b2829 100644
86554 --- a/include/net/ping.h
86555 +++ b/include/net/ping.h
86556 @@ -54,7 +54,7 @@ struct ping_iter_state {
86557
86558 extern struct proto ping_prot;
86559 #if IS_ENABLED(CONFIG_IPV6)
86560 -extern struct pingv6_ops pingv6_ops;
86561 +extern struct pingv6_ops *pingv6_ops;
86562 #endif
86563
86564 struct pingfakehdr {
86565 diff --git a/include/net/protocol.h b/include/net/protocol.h
86566 index d6fcc1f..ca277058 100644
86567 --- a/include/net/protocol.h
86568 +++ b/include/net/protocol.h
86569 @@ -49,7 +49,7 @@ struct net_protocol {
86570 * socket lookup?
86571 */
86572 icmp_strict_tag_validation:1;
86573 -};
86574 +} __do_const;
86575
86576 #if IS_ENABLED(CONFIG_IPV6)
86577 struct inet6_protocol {
86578 @@ -62,7 +62,7 @@ struct inet6_protocol {
86579 u8 type, u8 code, int offset,
86580 __be32 info);
86581 unsigned int flags; /* INET6_PROTO_xxx */
86582 -};
86583 +} __do_const;
86584
86585 #define INET6_PROTO_NOPOLICY 0x1
86586 #define INET6_PROTO_FINAL 0x2
86587 diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
86588 index e21b9f9..0191ef0 100644
86589 --- a/include/net/rtnetlink.h
86590 +++ b/include/net/rtnetlink.h
86591 @@ -93,7 +93,7 @@ struct rtnl_link_ops {
86592 int (*fill_slave_info)(struct sk_buff *skb,
86593 const struct net_device *dev,
86594 const struct net_device *slave_dev);
86595 -};
86596 +} __do_const;
86597
86598 int __rtnl_link_register(struct rtnl_link_ops *ops);
86599 void __rtnl_link_unregister(struct rtnl_link_ops *ops);
86600 diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
86601 index 4a5b9a3..ca27d73 100644
86602 --- a/include/net/sctp/checksum.h
86603 +++ b/include/net/sctp/checksum.h
86604 @@ -61,8 +61,8 @@ static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
86605 unsigned int offset)
86606 {
86607 struct sctphdr *sh = sctp_hdr(skb);
86608 - __le32 ret, old = sh->checksum;
86609 - const struct skb_checksum_ops ops = {
86610 + __le32 ret, old = sh->checksum;
86611 + static const struct skb_checksum_ops ops = {
86612 .update = sctp_csum_update,
86613 .combine = sctp_csum_combine,
86614 };
86615 diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
86616 index 72a31db..aaa63d9 100644
86617 --- a/include/net/sctp/sm.h
86618 +++ b/include/net/sctp/sm.h
86619 @@ -80,7 +80,7 @@ typedef void (sctp_timer_event_t) (unsigned long);
86620 typedef struct {
86621 sctp_state_fn_t *fn;
86622 const char *name;
86623 -} sctp_sm_table_entry_t;
86624 +} __do_const sctp_sm_table_entry_t;
86625
86626 /* A naming convention of "sctp_sf_xxx" applies to all the state functions
86627 * currently in use.
86628 @@ -292,7 +292,7 @@ __u32 sctp_generate_tag(const struct sctp_endpoint *);
86629 __u32 sctp_generate_tsn(const struct sctp_endpoint *);
86630
86631 /* Extern declarations for major data structures. */
86632 -extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES];
86633 +extern sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES];
86634
86635
86636 /* Get the size of a DATA chunk payload. */
86637 diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
86638 index 4ff3f67..89ae38e 100644
86639 --- a/include/net/sctp/structs.h
86640 +++ b/include/net/sctp/structs.h
86641 @@ -509,7 +509,7 @@ struct sctp_pf {
86642 void (*to_sk_saddr)(union sctp_addr *, struct sock *sk);
86643 void (*to_sk_daddr)(union sctp_addr *, struct sock *sk);
86644 struct sctp_af *af;
86645 -};
86646 +} __do_const;
86647
86648
86649 /* Structure to track chunk fragments that have been acked, but peer
86650 diff --git a/include/net/sock.h b/include/net/sock.h
86651 index 7db3db1..a915cca 100644
86652 --- a/include/net/sock.h
86653 +++ b/include/net/sock.h
86654 @@ -355,7 +355,7 @@ struct sock {
86655 unsigned int sk_napi_id;
86656 unsigned int sk_ll_usec;
86657 #endif
86658 - atomic_t sk_drops;
86659 + atomic_unchecked_t sk_drops;
86660 int sk_rcvbuf;
86661
86662 struct sk_filter __rcu *sk_filter;
86663 @@ -1048,7 +1048,7 @@ struct proto {
86664 void (*destroy_cgroup)(struct mem_cgroup *memcg);
86665 struct cg_proto *(*proto_cgroup)(struct mem_cgroup *memcg);
86666 #endif
86667 -};
86668 +} __randomize_layout;
86669
86670 /*
86671 * Bits in struct cg_proto.flags
86672 @@ -1235,7 +1235,7 @@ static inline u64 memcg_memory_allocated_read(struct cg_proto *prot)
86673 return ret >> PAGE_SHIFT;
86674 }
86675
86676 -static inline long
86677 +static inline long __intentional_overflow(-1)
86678 sk_memory_allocated(const struct sock *sk)
86679 {
86680 struct proto *prot = sk->sk_prot;
86681 @@ -1380,7 +1380,7 @@ struct sock_iocb {
86682 struct scm_cookie *scm;
86683 struct msghdr *msg, async_msg;
86684 struct kiocb *kiocb;
86685 -};
86686 +} __randomize_layout;
86687
86688 static inline struct sock_iocb *kiocb_to_siocb(struct kiocb *iocb)
86689 {
86690 @@ -1820,7 +1820,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)
86691 }
86692
86693 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,
86694 - char __user *from, char *to,
86695 + char __user *from, unsigned char *to,
86696 int copy, int offset)
86697 {
86698 if (skb->ip_summed == CHECKSUM_NONE) {
86699 @@ -2092,7 +2092,7 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
86700 }
86701 }
86702
86703 -struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
86704 +struct sk_buff * __intentional_overflow(0) sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
86705
86706 /**
86707 * sk_page_frag - return an appropriate page_frag
86708 diff --git a/include/net/tcp.h b/include/net/tcp.h
86709 index 4062b4f..9ff45e7 100644
86710 --- a/include/net/tcp.h
86711 +++ b/include/net/tcp.h
86712 @@ -519,7 +519,7 @@ void tcp_retransmit_timer(struct sock *sk);
86713 void tcp_xmit_retransmit_queue(struct sock *);
86714 void tcp_simple_retransmit(struct sock *);
86715 int tcp_trim_head(struct sock *, struct sk_buff *, u32);
86716 -int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t);
86717 +int __intentional_overflow(3) tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t);
86718
86719 void tcp_send_probe0(struct sock *);
86720 void tcp_send_partial(struct sock *);
86721 @@ -692,8 +692,8 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb)
86722 * If this grows please adjust skbuff.h:skbuff->cb[xxx] size appropriately.
86723 */
86724 struct tcp_skb_cb {
86725 - __u32 seq; /* Starting sequence number */
86726 - __u32 end_seq; /* SEQ + FIN + SYN + datalen */
86727 + __u32 seq __intentional_overflow(0); /* Starting sequence number */
86728 + __u32 end_seq __intentional_overflow(0); /* SEQ + FIN + SYN + datalen */
86729 union {
86730 /* Note : tcp_tw_isn is used in input path only
86731 * (isn chosen by tcp_timewait_state_process())
86732 @@ -718,7 +718,7 @@ struct tcp_skb_cb {
86733
86734 __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */
86735 /* 1 byte hole */
86736 - __u32 ack_seq; /* Sequence number ACK'd */
86737 + __u32 ack_seq __intentional_overflow(0); /* Sequence number ACK'd */
86738 union {
86739 struct inet_skb_parm h4;
86740 #if IS_ENABLED(CONFIG_IPV6)
86741 diff --git a/include/net/xfrm.h b/include/net/xfrm.h
86742 index dc4865e..152ee4c 100644
86743 --- a/include/net/xfrm.h
86744 +++ b/include/net/xfrm.h
86745 @@ -285,7 +285,6 @@ struct xfrm_dst;
86746 struct xfrm_policy_afinfo {
86747 unsigned short family;
86748 struct dst_ops *dst_ops;
86749 - void (*garbage_collect)(struct net *net);
86750 struct dst_entry *(*dst_lookup)(struct net *net, int tos,
86751 const xfrm_address_t *saddr,
86752 const xfrm_address_t *daddr);
86753 @@ -303,7 +302,7 @@ struct xfrm_policy_afinfo {
86754 struct net_device *dev,
86755 const struct flowi *fl);
86756 struct dst_entry *(*blackhole_route)(struct net *net, struct dst_entry *orig);
86757 -};
86758 +} __do_const;
86759
86760 int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
86761 int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
86762 @@ -342,7 +341,7 @@ struct xfrm_state_afinfo {
86763 int (*transport_finish)(struct sk_buff *skb,
86764 int async);
86765 void (*local_error)(struct sk_buff *skb, u32 mtu);
86766 -};
86767 +} __do_const;
86768
86769 int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo);
86770 int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
86771 @@ -437,7 +436,7 @@ struct xfrm_mode {
86772 struct module *owner;
86773 unsigned int encap;
86774 int flags;
86775 -};
86776 +} __do_const;
86777
86778 /* Flags for xfrm_mode. */
86779 enum {
86780 @@ -534,7 +533,7 @@ struct xfrm_policy {
86781 struct timer_list timer;
86782
86783 struct flow_cache_object flo;
86784 - atomic_t genid;
86785 + atomic_unchecked_t genid;
86786 u32 priority;
86787 u32 index;
86788 struct xfrm_mark mark;
86789 @@ -1167,6 +1166,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk)
86790 }
86791
86792 void xfrm_garbage_collect(struct net *net);
86793 +void xfrm_garbage_collect_deferred(struct net *net);
86794
86795 #else
86796
86797 @@ -1205,6 +1205,9 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir,
86798 static inline void xfrm_garbage_collect(struct net *net)
86799 {
86800 }
86801 +static inline void xfrm_garbage_collect_deferred(struct net *net)
86802 +{
86803 +}
86804 #endif
86805
86806 static __inline__
86807 diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
86808 index 1017e0b..227aa4d 100644
86809 --- a/include/rdma/iw_cm.h
86810 +++ b/include/rdma/iw_cm.h
86811 @@ -122,7 +122,7 @@ struct iw_cm_verbs {
86812 int backlog);
86813
86814 int (*destroy_listen)(struct iw_cm_id *cm_id);
86815 -};
86816 +} __no_const;
86817
86818 /**
86819 * iw_create_cm_id - Create an IW CM identifier.
86820 diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
86821 index 52beadf..598734c 100644
86822 --- a/include/scsi/libfc.h
86823 +++ b/include/scsi/libfc.h
86824 @@ -771,6 +771,7 @@ struct libfc_function_template {
86825 */
86826 void (*disc_stop_final) (struct fc_lport *);
86827 };
86828 +typedef struct libfc_function_template __no_const libfc_function_template_no_const;
86829
86830 /**
86831 * struct fc_disc - Discovery context
86832 @@ -875,7 +876,7 @@ struct fc_lport {
86833 struct fc_vport *vport;
86834
86835 /* Operational Information */
86836 - struct libfc_function_template tt;
86837 + libfc_function_template_no_const tt;
86838 u8 link_up;
86839 u8 qfull;
86840 enum fc_lport_state state;
86841 diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
86842 index 27ecee7..5f42632 100644
86843 --- a/include/scsi/scsi_device.h
86844 +++ b/include/scsi/scsi_device.h
86845 @@ -186,9 +186,9 @@ struct scsi_device {
86846 unsigned int max_device_blocked; /* what device_blocked counts down from */
86847 #define SCSI_DEFAULT_DEVICE_BLOCKED 3
86848
86849 - atomic_t iorequest_cnt;
86850 - atomic_t iodone_cnt;
86851 - atomic_t ioerr_cnt;
86852 + atomic_unchecked_t iorequest_cnt;
86853 + atomic_unchecked_t iodone_cnt;
86854 + atomic_unchecked_t ioerr_cnt;
86855
86856 struct device sdev_gendev,
86857 sdev_dev;
86858 diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
86859 index 007a0bc..7188db8 100644
86860 --- a/include/scsi/scsi_transport_fc.h
86861 +++ b/include/scsi/scsi_transport_fc.h
86862 @@ -756,7 +756,8 @@ struct fc_function_template {
86863 unsigned long show_host_system_hostname:1;
86864
86865 unsigned long disable_target_scan:1;
86866 -};
86867 +} __do_const;
86868 +typedef struct fc_function_template __no_const fc_function_template_no_const;
86869
86870
86871 /**
86872 diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
86873 index ae6c3b8..fd748ac 100644
86874 --- a/include/sound/compress_driver.h
86875 +++ b/include/sound/compress_driver.h
86876 @@ -128,7 +128,7 @@ struct snd_compr_ops {
86877 struct snd_compr_caps *caps);
86878 int (*get_codec_caps) (struct snd_compr_stream *stream,
86879 struct snd_compr_codec_caps *codec);
86880 -};
86881 +} __no_const;
86882
86883 /**
86884 * struct snd_compr: Compressed device
86885 diff --git a/include/sound/soc.h b/include/sound/soc.h
86886 index 7ba7130..d46594d 100644
86887 --- a/include/sound/soc.h
86888 +++ b/include/sound/soc.h
86889 @@ -853,7 +853,7 @@ struct snd_soc_codec_driver {
86890 enum snd_soc_dapm_type, int);
86891
86892 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
86893 -};
86894 +} __do_const;
86895
86896 /* SoC platform interface */
86897 struct snd_soc_platform_driver {
86898 @@ -882,7 +882,7 @@ struct snd_soc_platform_driver {
86899 const struct snd_compr_ops *compr_ops;
86900
86901 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
86902 -};
86903 +} __do_const;
86904
86905 struct snd_soc_dai_link_component {
86906 const char *name;
86907 diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
86908 index 23c518a..d6ef510 100644
86909 --- a/include/target/target_core_base.h
86910 +++ b/include/target/target_core_base.h
86911 @@ -764,7 +764,7 @@ struct se_device {
86912 atomic_long_t write_bytes;
86913 /* Active commands on this virtual SE device */
86914 atomic_t simple_cmds;
86915 - atomic_t dev_ordered_id;
86916 + atomic_unchecked_t dev_ordered_id;
86917 atomic_t dev_ordered_sync;
86918 atomic_t dev_qf_count;
86919 int export_count;
86920 diff --git a/include/trace/events/fs.h b/include/trace/events/fs.h
86921 new file mode 100644
86922 index 0000000..fb634b7
86923 --- /dev/null
86924 +++ b/include/trace/events/fs.h
86925 @@ -0,0 +1,53 @@
86926 +#undef TRACE_SYSTEM
86927 +#define TRACE_SYSTEM fs
86928 +
86929 +#if !defined(_TRACE_FS_H) || defined(TRACE_HEADER_MULTI_READ)
86930 +#define _TRACE_FS_H
86931 +
86932 +#include <linux/fs.h>
86933 +#include <linux/tracepoint.h>
86934 +
86935 +TRACE_EVENT(do_sys_open,
86936 +
86937 + TP_PROTO(const char *filename, int flags, int mode),
86938 +
86939 + TP_ARGS(filename, flags, mode),
86940 +
86941 + TP_STRUCT__entry(
86942 + __string( filename, filename )
86943 + __field( int, flags )
86944 + __field( int, mode )
86945 + ),
86946 +
86947 + TP_fast_assign(
86948 + __assign_str(filename, filename);
86949 + __entry->flags = flags;
86950 + __entry->mode = mode;
86951 + ),
86952 +
86953 + TP_printk("\"%s\" %x %o",
86954 + __get_str(filename), __entry->flags, __entry->mode)
86955 +);
86956 +
86957 +TRACE_EVENT(open_exec,
86958 +
86959 + TP_PROTO(const char *filename),
86960 +
86961 + TP_ARGS(filename),
86962 +
86963 + TP_STRUCT__entry(
86964 + __string( filename, filename )
86965 + ),
86966 +
86967 + TP_fast_assign(
86968 + __assign_str(filename, filename);
86969 + ),
86970 +
86971 + TP_printk("\"%s\"",
86972 + __get_str(filename))
86973 +);
86974 +
86975 +#endif /* _TRACE_FS_H */
86976 +
86977 +/* This part must be outside protection */
86978 +#include <trace/define_trace.h>
86979 diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
86980 index 3608beb..df39d8a 100644
86981 --- a/include/trace/events/irq.h
86982 +++ b/include/trace/events/irq.h
86983 @@ -36,7 +36,7 @@ struct softirq_action;
86984 */
86985 TRACE_EVENT(irq_handler_entry,
86986
86987 - TP_PROTO(int irq, struct irqaction *action),
86988 + TP_PROTO(int irq, const struct irqaction *action),
86989
86990 TP_ARGS(irq, action),
86991
86992 @@ -66,7 +66,7 @@ TRACE_EVENT(irq_handler_entry,
86993 */
86994 TRACE_EVENT(irq_handler_exit,
86995
86996 - TP_PROTO(int irq, struct irqaction *action, int ret),
86997 + TP_PROTO(int irq, const struct irqaction *action, int ret),
86998
86999 TP_ARGS(irq, action, ret),
87000
87001 diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h
87002 index 7caf44c..23c6f27 100644
87003 --- a/include/uapi/linux/a.out.h
87004 +++ b/include/uapi/linux/a.out.h
87005 @@ -39,6 +39,14 @@ enum machine_type {
87006 M_MIPS2 = 152 /* MIPS R6000/R4000 binary */
87007 };
87008
87009 +/* Constants for the N_FLAGS field */
87010 +#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
87011 +#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */
87012 +#define F_PAX_MPROTECT 4 /* Restrict mprotect() */
87013 +#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */
87014 +/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
87015 +#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
87016 +
87017 #if !defined (N_MAGIC)
87018 #define N_MAGIC(exec) ((exec).a_info & 0xffff)
87019 #endif
87020 diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
87021 index 22b6ad3..aeba37e 100644
87022 --- a/include/uapi/linux/bcache.h
87023 +++ b/include/uapi/linux/bcache.h
87024 @@ -5,6 +5,7 @@
87025 * Bcache on disk data structures
87026 */
87027
87028 +#include <linux/compiler.h>
87029 #include <asm/types.h>
87030
87031 #define BITMASK(name, type, field, offset, size) \
87032 @@ -20,8 +21,8 @@ static inline void SET_##name(type *k, __u64 v) \
87033 /* Btree keys - all units are in sectors */
87034
87035 struct bkey {
87036 - __u64 high;
87037 - __u64 low;
87038 + __u64 high __intentional_overflow(-1);
87039 + __u64 low __intentional_overflow(-1);
87040 __u64 ptr[];
87041 };
87042
87043 diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h
87044 index d876736..ccce5c0 100644
87045 --- a/include/uapi/linux/byteorder/little_endian.h
87046 +++ b/include/uapi/linux/byteorder/little_endian.h
87047 @@ -42,51 +42,51 @@
87048
87049 static inline __le64 __cpu_to_le64p(const __u64 *p)
87050 {
87051 - return (__force __le64)*p;
87052 + return (__force const __le64)*p;
87053 }
87054 -static inline __u64 __le64_to_cpup(const __le64 *p)
87055 +static inline __u64 __intentional_overflow(-1) __le64_to_cpup(const __le64 *p)
87056 {
87057 - return (__force __u64)*p;
87058 + return (__force const __u64)*p;
87059 }
87060 static inline __le32 __cpu_to_le32p(const __u32 *p)
87061 {
87062 - return (__force __le32)*p;
87063 + return (__force const __le32)*p;
87064 }
87065 static inline __u32 __le32_to_cpup(const __le32 *p)
87066 {
87067 - return (__force __u32)*p;
87068 + return (__force const __u32)*p;
87069 }
87070 static inline __le16 __cpu_to_le16p(const __u16 *p)
87071 {
87072 - return (__force __le16)*p;
87073 + return (__force const __le16)*p;
87074 }
87075 static inline __u16 __le16_to_cpup(const __le16 *p)
87076 {
87077 - return (__force __u16)*p;
87078 + return (__force const __u16)*p;
87079 }
87080 static inline __be64 __cpu_to_be64p(const __u64 *p)
87081 {
87082 - return (__force __be64)__swab64p(p);
87083 + return (__force const __be64)__swab64p(p);
87084 }
87085 static inline __u64 __be64_to_cpup(const __be64 *p)
87086 {
87087 - return __swab64p((__u64 *)p);
87088 + return __swab64p((const __u64 *)p);
87089 }
87090 static inline __be32 __cpu_to_be32p(const __u32 *p)
87091 {
87092 - return (__force __be32)__swab32p(p);
87093 + return (__force const __be32)__swab32p(p);
87094 }
87095 -static inline __u32 __be32_to_cpup(const __be32 *p)
87096 +static inline __u32 __intentional_overflow(-1) __be32_to_cpup(const __be32 *p)
87097 {
87098 - return __swab32p((__u32 *)p);
87099 + return __swab32p((const __u32 *)p);
87100 }
87101 static inline __be16 __cpu_to_be16p(const __u16 *p)
87102 {
87103 - return (__force __be16)__swab16p(p);
87104 + return (__force const __be16)__swab16p(p);
87105 }
87106 static inline __u16 __be16_to_cpup(const __be16 *p)
87107 {
87108 - return __swab16p((__u16 *)p);
87109 + return __swab16p((const __u16 *)p);
87110 }
87111 #define __cpu_to_le64s(x) do { (void)(x); } while (0)
87112 #define __le64_to_cpus(x) do { (void)(x); } while (0)
87113 diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
87114 index ea9bf25..5140c61 100644
87115 --- a/include/uapi/linux/elf.h
87116 +++ b/include/uapi/linux/elf.h
87117 @@ -37,6 +37,17 @@ typedef __s64 Elf64_Sxword;
87118 #define PT_GNU_EH_FRAME 0x6474e550
87119
87120 #define PT_GNU_STACK (PT_LOOS + 0x474e551)
87121 +#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
87122 +
87123 +#define PT_PAX_FLAGS (PT_LOOS + 0x5041580)
87124 +
87125 +/* Constants for the e_flags field */
87126 +#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */
87127 +#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */
87128 +#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */
87129 +#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */
87130 +/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */
87131 +#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */
87132
87133 /*
87134 * Extended Numbering
87135 @@ -94,6 +105,8 @@ typedef __s64 Elf64_Sxword;
87136 #define DT_DEBUG 21
87137 #define DT_TEXTREL 22
87138 #define DT_JMPREL 23
87139 +#define DT_FLAGS 30
87140 + #define DF_TEXTREL 0x00000004
87141 #define DT_ENCODING 32
87142 #define OLD_DT_LOOS 0x60000000
87143 #define DT_LOOS 0x6000000d
87144 @@ -240,6 +253,19 @@ typedef struct elf64_hdr {
87145 #define PF_W 0x2
87146 #define PF_X 0x1
87147
87148 +#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */
87149 +#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */
87150 +#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */
87151 +#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */
87152 +#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */
87153 +#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */
87154 +/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */
87155 +/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */
87156 +#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */
87157 +#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */
87158 +#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */
87159 +#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */
87160 +
87161 typedef struct elf32_phdr{
87162 Elf32_Word p_type;
87163 Elf32_Off p_offset;
87164 @@ -332,6 +358,8 @@ typedef struct elf64_shdr {
87165 #define EI_OSABI 7
87166 #define EI_PAD 8
87167
87168 +#define EI_PAX 14
87169 +
87170 #define ELFMAG0 0x7f /* EI_MAG */
87171 #define ELFMAG1 'E'
87172 #define ELFMAG2 'L'
87173 diff --git a/include/uapi/linux/personality.h b/include/uapi/linux/personality.h
87174 index aa169c4..6a2771d 100644
87175 --- a/include/uapi/linux/personality.h
87176 +++ b/include/uapi/linux/personality.h
87177 @@ -30,6 +30,7 @@ enum {
87178 #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \
87179 ADDR_NO_RANDOMIZE | \
87180 ADDR_COMPAT_LAYOUT | \
87181 + ADDR_LIMIT_3GB | \
87182 MMAP_PAGE_ZERO)
87183
87184 /*
87185 diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h
87186 index 7530e74..e714828 100644
87187 --- a/include/uapi/linux/screen_info.h
87188 +++ b/include/uapi/linux/screen_info.h
87189 @@ -43,7 +43,8 @@ struct screen_info {
87190 __u16 pages; /* 0x32 */
87191 __u16 vesa_attributes; /* 0x34 */
87192 __u32 capabilities; /* 0x36 */
87193 - __u8 _reserved[6]; /* 0x3a */
87194 + __u16 vesapm_size; /* 0x3a */
87195 + __u8 _reserved[4]; /* 0x3c */
87196 } __attribute__((packed));
87197
87198 #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
87199 diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h
87200 index 0e011eb..82681b1 100644
87201 --- a/include/uapi/linux/swab.h
87202 +++ b/include/uapi/linux/swab.h
87203 @@ -43,7 +43,7 @@
87204 * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32
87205 */
87206
87207 -static inline __attribute_const__ __u16 __fswab16(__u16 val)
87208 +static inline __intentional_overflow(-1) __attribute_const__ __u16 __fswab16(__u16 val)
87209 {
87210 #ifdef __HAVE_BUILTIN_BSWAP16__
87211 return __builtin_bswap16(val);
87212 @@ -54,7 +54,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val)
87213 #endif
87214 }
87215
87216 -static inline __attribute_const__ __u32 __fswab32(__u32 val)
87217 +static inline __intentional_overflow(-1) __attribute_const__ __u32 __fswab32(__u32 val)
87218 {
87219 #ifdef __HAVE_BUILTIN_BSWAP32__
87220 return __builtin_bswap32(val);
87221 @@ -65,7 +65,7 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val)
87222 #endif
87223 }
87224
87225 -static inline __attribute_const__ __u64 __fswab64(__u64 val)
87226 +static inline __intentional_overflow(-1) __attribute_const__ __u64 __fswab64(__u64 val)
87227 {
87228 #ifdef __HAVE_BUILTIN_BSWAP64__
87229 return __builtin_bswap64(val);
87230 diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h
87231 index 43aaba1..1c30b48 100644
87232 --- a/include/uapi/linux/sysctl.h
87233 +++ b/include/uapi/linux/sysctl.h
87234 @@ -155,8 +155,6 @@ enum
87235 KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */
87236 };
87237
87238 -
87239 -
87240 /* CTL_VM names: */
87241 enum
87242 {
87243 diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
87244 index 1590c49..5eab462 100644
87245 --- a/include/uapi/linux/xattr.h
87246 +++ b/include/uapi/linux/xattr.h
87247 @@ -73,5 +73,9 @@
87248 #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default"
87249 #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT
87250
87251 +/* User namespace */
87252 +#define XATTR_PAX_PREFIX XATTR_USER_PREFIX "pax."
87253 +#define XATTR_PAX_FLAGS_SUFFIX "flags"
87254 +#define XATTR_NAME_PAX_FLAGS XATTR_PAX_PREFIX XATTR_PAX_FLAGS_SUFFIX
87255
87256 #endif /* _UAPI_LINUX_XATTR_H */
87257 diff --git a/include/video/udlfb.h b/include/video/udlfb.h
87258 index f9466fa..f4e2b81 100644
87259 --- a/include/video/udlfb.h
87260 +++ b/include/video/udlfb.h
87261 @@ -53,10 +53,10 @@ struct dlfb_data {
87262 u32 pseudo_palette[256];
87263 int blank_mode; /*one of FB_BLANK_ */
87264 /* blit-only rendering path metrics, exposed through sysfs */
87265 - atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
87266 - atomic_t bytes_identical; /* saved effort with backbuffer comparison */
87267 - atomic_t bytes_sent; /* to usb, after compression including overhead */
87268 - atomic_t cpu_kcycles_used; /* transpired during pixel processing */
87269 + atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */
87270 + atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */
87271 + atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */
87272 + atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */
87273 };
87274
87275 #define NR_USB_REQUEST_I2C_SUB_IO 0x02
87276 diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h
87277 index 30f5362..8ed8ac9 100644
87278 --- a/include/video/uvesafb.h
87279 +++ b/include/video/uvesafb.h
87280 @@ -122,6 +122,7 @@ struct uvesafb_par {
87281 u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */
87282 u8 pmi_setpal; /* PMI for palette changes */
87283 u16 *pmi_base; /* protected mode interface location */
87284 + u8 *pmi_code; /* protected mode code location */
87285 void *pmi_start;
87286 void *pmi_pal;
87287 u8 *vbe_state_orig; /*
87288 diff --git a/init/Kconfig b/init/Kconfig
87289 index 2081a4d..98d1149 100644
87290 --- a/init/Kconfig
87291 +++ b/init/Kconfig
87292 @@ -1150,6 +1150,7 @@ endif # CGROUPS
87293
87294 config CHECKPOINT_RESTORE
87295 bool "Checkpoint/restore support" if EXPERT
87296 + depends on !GRKERNSEC
87297 default n
87298 help
87299 Enables additional kernel features in a sake of checkpoint/restore.
87300 @@ -1659,7 +1660,7 @@ config SLUB_DEBUG
87301
87302 config COMPAT_BRK
87303 bool "Disable heap randomization"
87304 - default y
87305 + default n
87306 help
87307 Randomizing heap placement makes heap exploits harder, but it
87308 also breaks ancient binaries (including anything libc5 based).
87309 @@ -1990,7 +1991,7 @@ config INIT_ALL_POSSIBLE
87310 config STOP_MACHINE
87311 bool
87312 default y
87313 - depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU
87314 + depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU || GRKERNSEC
87315 help
87316 Need stop_machine() primitive.
87317
87318 diff --git a/init/Makefile b/init/Makefile
87319 index 7bc47ee..6da2dc7 100644
87320 --- a/init/Makefile
87321 +++ b/init/Makefile
87322 @@ -2,6 +2,9 @@
87323 # Makefile for the linux kernel.
87324 #
87325
87326 +ccflags-y := $(GCC_PLUGINS_CFLAGS)
87327 +asflags-y := $(GCC_PLUGINS_AFLAGS)
87328 +
87329 obj-y := main.o version.o mounts.o
87330 ifneq ($(CONFIG_BLK_DEV_INITRD),y)
87331 obj-y += noinitramfs.o
87332 diff --git a/init/do_mounts.c b/init/do_mounts.c
87333 index 9b3565c..3f90cf9 100644
87334 --- a/init/do_mounts.c
87335 +++ b/init/do_mounts.c
87336 @@ -360,11 +360,11 @@ static void __init get_fs_names(char *page)
87337 static int __init do_mount_root(char *name, char *fs, int flags, void *data)
87338 {
87339 struct super_block *s;
87340 - int err = sys_mount(name, "/root", fs, flags, data);
87341 + int err = sys_mount((char __force_user *)name, (char __force_user *)"/root", (char __force_user *)fs, flags, (void __force_user *)data);
87342 if (err)
87343 return err;
87344
87345 - sys_chdir("/root");
87346 + sys_chdir((const char __force_user *)"/root");
87347 s = current->fs->pwd.dentry->d_sb;
87348 ROOT_DEV = s->s_dev;
87349 printk(KERN_INFO
87350 @@ -485,18 +485,18 @@ void __init change_floppy(char *fmt, ...)
87351 va_start(args, fmt);
87352 vsprintf(buf, fmt, args);
87353 va_end(args);
87354 - fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
87355 + fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0);
87356 if (fd >= 0) {
87357 sys_ioctl(fd, FDEJECT, 0);
87358 sys_close(fd);
87359 }
87360 printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf);
87361 - fd = sys_open("/dev/console", O_RDWR, 0);
87362 + fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0);
87363 if (fd >= 0) {
87364 sys_ioctl(fd, TCGETS, (long)&termios);
87365 termios.c_lflag &= ~ICANON;
87366 sys_ioctl(fd, TCSETSF, (long)&termios);
87367 - sys_read(fd, &c, 1);
87368 + sys_read(fd, (char __user *)&c, 1);
87369 termios.c_lflag |= ICANON;
87370 sys_ioctl(fd, TCSETSF, (long)&termios);
87371 sys_close(fd);
87372 @@ -590,8 +590,8 @@ void __init prepare_namespace(void)
87373 mount_root();
87374 out:
87375 devtmpfs_mount("dev");
87376 - sys_mount(".", "/", NULL, MS_MOVE, NULL);
87377 - sys_chroot(".");
87378 + sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
87379 + sys_chroot((const char __force_user *)".");
87380 }
87381
87382 static bool is_tmpfs;
87383 diff --git a/init/do_mounts.h b/init/do_mounts.h
87384 index f5b978a..69dbfe8 100644
87385 --- a/init/do_mounts.h
87386 +++ b/init/do_mounts.h
87387 @@ -15,15 +15,15 @@ extern int root_mountflags;
87388
87389 static inline int create_dev(char *name, dev_t dev)
87390 {
87391 - sys_unlink(name);
87392 - return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
87393 + sys_unlink((char __force_user *)name);
87394 + return sys_mknod((char __force_user *)name, S_IFBLK|0600, new_encode_dev(dev));
87395 }
87396
87397 #if BITS_PER_LONG == 32
87398 static inline u32 bstat(char *name)
87399 {
87400 struct stat64 stat;
87401 - if (sys_stat64(name, &stat) != 0)
87402 + if (sys_stat64((char __force_user *)name, (struct stat64 __force_user *)&stat) != 0)
87403 return 0;
87404 if (!S_ISBLK(stat.st_mode))
87405 return 0;
87406 @@ -35,7 +35,7 @@ static inline u32 bstat(char *name)
87407 static inline u32 bstat(char *name)
87408 {
87409 struct stat stat;
87410 - if (sys_newstat(name, &stat) != 0)
87411 + if (sys_newstat((const char __force_user *)name, (struct stat __force_user *)&stat) != 0)
87412 return 0;
87413 if (!S_ISBLK(stat.st_mode))
87414 return 0;
87415 diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
87416 index 3e0878e..8a9d7a0 100644
87417 --- a/init/do_mounts_initrd.c
87418 +++ b/init/do_mounts_initrd.c
87419 @@ -37,13 +37,13 @@ static int init_linuxrc(struct subprocess_info *info, struct cred *new)
87420 {
87421 sys_unshare(CLONE_FS | CLONE_FILES);
87422 /* stdin/stdout/stderr for /linuxrc */
87423 - sys_open("/dev/console", O_RDWR, 0);
87424 + sys_open((const char __force_user *)"/dev/console", O_RDWR, 0);
87425 sys_dup(0);
87426 sys_dup(0);
87427 /* move initrd over / and chdir/chroot in initrd root */
87428 - sys_chdir("/root");
87429 - sys_mount(".", "/", NULL, MS_MOVE, NULL);
87430 - sys_chroot(".");
87431 + sys_chdir((const char __force_user *)"/root");
87432 + sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
87433 + sys_chroot((const char __force_user *)".");
87434 sys_setsid();
87435 return 0;
87436 }
87437 @@ -59,8 +59,8 @@ static void __init handle_initrd(void)
87438 create_dev("/dev/root.old", Root_RAM0);
87439 /* mount initrd on rootfs' /root */
87440 mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
87441 - sys_mkdir("/old", 0700);
87442 - sys_chdir("/old");
87443 + sys_mkdir((const char __force_user *)"/old", 0700);
87444 + sys_chdir((const char __force_user *)"/old");
87445
87446 /* try loading default modules from initrd */
87447 load_default_modules();
87448 @@ -80,31 +80,31 @@ static void __init handle_initrd(void)
87449 current->flags &= ~PF_FREEZER_SKIP;
87450
87451 /* move initrd to rootfs' /old */
87452 - sys_mount("..", ".", NULL, MS_MOVE, NULL);
87453 + sys_mount((char __force_user *)"..", (char __force_user *)".", NULL, MS_MOVE, NULL);
87454 /* switch root and cwd back to / of rootfs */
87455 - sys_chroot("..");
87456 + sys_chroot((const char __force_user *)"..");
87457
87458 if (new_decode_dev(real_root_dev) == Root_RAM0) {
87459 - sys_chdir("/old");
87460 + sys_chdir((const char __force_user *)"/old");
87461 return;
87462 }
87463
87464 - sys_chdir("/");
87465 + sys_chdir((const char __force_user *)"/");
87466 ROOT_DEV = new_decode_dev(real_root_dev);
87467 mount_root();
87468
87469 printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
87470 - error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
87471 + error = sys_mount((char __force_user *)"/old", (char __force_user *)"/root/initrd", NULL, MS_MOVE, NULL);
87472 if (!error)
87473 printk("okay\n");
87474 else {
87475 - int fd = sys_open("/dev/root.old", O_RDWR, 0);
87476 + int fd = sys_open((const char __force_user *)"/dev/root.old", O_RDWR, 0);
87477 if (error == -ENOENT)
87478 printk("/initrd does not exist. Ignored.\n");
87479 else
87480 printk("failed\n");
87481 printk(KERN_NOTICE "Unmounting old root\n");
87482 - sys_umount("/old", MNT_DETACH);
87483 + sys_umount((char __force_user *)"/old", MNT_DETACH);
87484 printk(KERN_NOTICE "Trying to free ramdisk memory ... ");
87485 if (fd < 0) {
87486 error = fd;
87487 @@ -127,11 +127,11 @@ int __init initrd_load(void)
87488 * mounted in the normal path.
87489 */
87490 if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) {
87491 - sys_unlink("/initrd.image");
87492 + sys_unlink((const char __force_user *)"/initrd.image");
87493 handle_initrd();
87494 return 1;
87495 }
87496 }
87497 - sys_unlink("/initrd.image");
87498 + sys_unlink((const char __force_user *)"/initrd.image");
87499 return 0;
87500 }
87501 diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
87502 index 8cb6db5..d729f50 100644
87503 --- a/init/do_mounts_md.c
87504 +++ b/init/do_mounts_md.c
87505 @@ -180,7 +180,7 @@ static void __init md_setup_drive(void)
87506 partitioned ? "_d" : "", minor,
87507 md_setup_args[ent].device_names);
87508
87509 - fd = sys_open(name, 0, 0);
87510 + fd = sys_open((char __force_user *)name, 0, 0);
87511 if (fd < 0) {
87512 printk(KERN_ERR "md: open failed - cannot start "
87513 "array %s\n", name);
87514 @@ -243,7 +243,7 @@ static void __init md_setup_drive(void)
87515 * array without it
87516 */
87517 sys_close(fd);
87518 - fd = sys_open(name, 0, 0);
87519 + fd = sys_open((char __force_user *)name, 0, 0);
87520 sys_ioctl(fd, BLKRRPART, 0);
87521 }
87522 sys_close(fd);
87523 @@ -293,7 +293,7 @@ static void __init autodetect_raid(void)
87524
87525 wait_for_device_probe();
87526
87527 - fd = sys_open("/dev/md0", 0, 0);
87528 + fd = sys_open((const char __force_user *) "/dev/md0", 0, 0);
87529 if (fd >= 0) {
87530 sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
87531 sys_close(fd);
87532 diff --git a/init/init_task.c b/init/init_task.c
87533 index ba0a7f36..2bcf1d5 100644
87534 --- a/init/init_task.c
87535 +++ b/init/init_task.c
87536 @@ -22,5 +22,9 @@ EXPORT_SYMBOL(init_task);
87537 * Initial thread structure. Alignment of this is handled by a special
87538 * linker map entry.
87539 */
87540 +#ifdef CONFIG_X86
87541 +union thread_union init_thread_union __init_task_data;
87542 +#else
87543 union thread_union init_thread_union __init_task_data =
87544 { INIT_THREAD_INFO(init_task) };
87545 +#endif
87546 diff --git a/init/initramfs.c b/init/initramfs.c
87547 index ad1bd77..dca2c1b 100644
87548 --- a/init/initramfs.c
87549 +++ b/init/initramfs.c
87550 @@ -25,7 +25,7 @@ static ssize_t __init xwrite(int fd, const char *p, size_t count)
87551
87552 /* sys_write only can write MAX_RW_COUNT aka 2G-4K bytes at most */
87553 while (count) {
87554 - ssize_t rv = sys_write(fd, p, count);
87555 + ssize_t rv = sys_write(fd, (char __force_user *)p, count);
87556
87557 if (rv < 0) {
87558 if (rv == -EINTR || rv == -EAGAIN)
87559 @@ -107,7 +107,7 @@ static void __init free_hash(void)
87560 }
87561 }
87562
87563 -static long __init do_utime(char *filename, time_t mtime)
87564 +static long __init do_utime(char __force_user *filename, time_t mtime)
87565 {
87566 struct timespec t[2];
87567
87568 @@ -142,7 +142,7 @@ static void __init dir_utime(void)
87569 struct dir_entry *de, *tmp;
87570 list_for_each_entry_safe(de, tmp, &dir_list, list) {
87571 list_del(&de->list);
87572 - do_utime(de->name, de->mtime);
87573 + do_utime((char __force_user *)de->name, de->mtime);
87574 kfree(de->name);
87575 kfree(de);
87576 }
87577 @@ -304,7 +304,7 @@ static int __init maybe_link(void)
87578 if (nlink >= 2) {
87579 char *old = find_link(major, minor, ino, mode, collected);
87580 if (old)
87581 - return (sys_link(old, collected) < 0) ? -1 : 1;
87582 + return (sys_link((char __force_user *)old, (char __force_user *)collected) < 0) ? -1 : 1;
87583 }
87584 return 0;
87585 }
87586 @@ -313,11 +313,11 @@ static void __init clean_path(char *path, umode_t fmode)
87587 {
87588 struct stat st;
87589
87590 - if (!sys_newlstat(path, &st) && (st.st_mode ^ fmode) & S_IFMT) {
87591 + if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode ^ fmode) & S_IFMT) {
87592 if (S_ISDIR(st.st_mode))
87593 - sys_rmdir(path);
87594 + sys_rmdir((char __force_user *)path);
87595 else
87596 - sys_unlink(path);
87597 + sys_unlink((char __force_user *)path);
87598 }
87599 }
87600
87601 @@ -338,7 +338,7 @@ static int __init do_name(void)
87602 int openflags = O_WRONLY|O_CREAT;
87603 if (ml != 1)
87604 openflags |= O_TRUNC;
87605 - wfd = sys_open(collected, openflags, mode);
87606 + wfd = sys_open((char __force_user *)collected, openflags, mode);
87607
87608 if (wfd >= 0) {
87609 sys_fchown(wfd, uid, gid);
87610 @@ -350,17 +350,17 @@ static int __init do_name(void)
87611 }
87612 }
87613 } else if (S_ISDIR(mode)) {
87614 - sys_mkdir(collected, mode);
87615 - sys_chown(collected, uid, gid);
87616 - sys_chmod(collected, mode);
87617 + sys_mkdir((char __force_user *)collected, mode);
87618 + sys_chown((char __force_user *)collected, uid, gid);
87619 + sys_chmod((char __force_user *)collected, mode);
87620 dir_add(collected, mtime);
87621 } else if (S_ISBLK(mode) || S_ISCHR(mode) ||
87622 S_ISFIFO(mode) || S_ISSOCK(mode)) {
87623 if (maybe_link() == 0) {
87624 - sys_mknod(collected, mode, rdev);
87625 - sys_chown(collected, uid, gid);
87626 - sys_chmod(collected, mode);
87627 - do_utime(collected, mtime);
87628 + sys_mknod((char __force_user *)collected, mode, rdev);
87629 + sys_chown((char __force_user *)collected, uid, gid);
87630 + sys_chmod((char __force_user *)collected, mode);
87631 + do_utime((char __force_user *)collected, mtime);
87632 }
87633 }
87634 return 0;
87635 @@ -372,7 +372,7 @@ static int __init do_copy(void)
87636 if (xwrite(wfd, victim, body_len) != body_len)
87637 error("write error");
87638 sys_close(wfd);
87639 - do_utime(vcollected, mtime);
87640 + do_utime((char __force_user *)vcollected, mtime);
87641 kfree(vcollected);
87642 eat(body_len);
87643 state = SkipIt;
87644 @@ -390,9 +390,9 @@ static int __init do_symlink(void)
87645 {
87646 collected[N_ALIGN(name_len) + body_len] = '\0';
87647 clean_path(collected, 0);
87648 - sys_symlink(collected + N_ALIGN(name_len), collected);
87649 - sys_lchown(collected, uid, gid);
87650 - do_utime(collected, mtime);
87651 + sys_symlink((char __force_user *)collected + N_ALIGN(name_len), (char __force_user *)collected);
87652 + sys_lchown((char __force_user *)collected, uid, gid);
87653 + do_utime((char __force_user *)collected, mtime);
87654 state = SkipIt;
87655 next_state = Reset;
87656 return 0;
87657 diff --git a/init/main.c b/init/main.c
87658 index 321d0ce..91b53e5 100644
87659 --- a/init/main.c
87660 +++ b/init/main.c
87661 @@ -98,6 +98,8 @@ extern void radix_tree_init(void);
87662 static inline void mark_rodata_ro(void) { }
87663 #endif
87664
87665 +extern void grsecurity_init(void);
87666 +
87667 /*
87668 * Debug helper: via this flag we know that we are in 'early bootup code'
87669 * where only the boot processor is running with IRQ disabled. This means
87670 @@ -159,6 +161,75 @@ static int __init set_reset_devices(char *str)
87671
87672 __setup("reset_devices", set_reset_devices);
87673
87674 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
87675 +kgid_t grsec_proc_gid = KGIDT_INIT(CONFIG_GRKERNSEC_PROC_GID);
87676 +static int __init setup_grsec_proc_gid(char *str)
87677 +{
87678 + grsec_proc_gid = KGIDT_INIT(simple_strtol(str, NULL, 0));
87679 + return 1;
87680 +}
87681 +__setup("grsec_proc_gid=", setup_grsec_proc_gid);
87682 +#endif
87683 +
87684 +#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
87685 +unsigned long pax_user_shadow_base __read_only;
87686 +EXPORT_SYMBOL(pax_user_shadow_base);
87687 +extern char pax_enter_kernel_user[];
87688 +extern char pax_exit_kernel_user[];
87689 +#endif
87690 +
87691 +#if defined(CONFIG_X86) && defined(CONFIG_PAX_MEMORY_UDEREF)
87692 +static int __init setup_pax_nouderef(char *str)
87693 +{
87694 +#ifdef CONFIG_X86_32
87695 + unsigned int cpu;
87696 + struct desc_struct *gdt;
87697 +
87698 + for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
87699 + gdt = get_cpu_gdt_table(cpu);
87700 + gdt[GDT_ENTRY_KERNEL_DS].type = 3;
87701 + gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf;
87702 + gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf;
87703 + gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf;
87704 + }
87705 + loadsegment(ds, __KERNEL_DS);
87706 + loadsegment(es, __KERNEL_DS);
87707 + loadsegment(ss, __KERNEL_DS);
87708 +#else
87709 + memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1);
87710 + memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1);
87711 + clone_pgd_mask = ~(pgdval_t)0UL;
87712 + pax_user_shadow_base = 0UL;
87713 + setup_clear_cpu_cap(X86_FEATURE_PCID);
87714 + setup_clear_cpu_cap(X86_FEATURE_INVPCID);
87715 +#endif
87716 +
87717 + return 0;
87718 +}
87719 +early_param("pax_nouderef", setup_pax_nouderef);
87720 +
87721 +#ifdef CONFIG_X86_64
87722 +static int __init setup_pax_weakuderef(char *str)
87723 +{
87724 + if (clone_pgd_mask != ~(pgdval_t)0UL)
87725 + pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT;
87726 + return 1;
87727 +}
87728 +__setup("pax_weakuderef", setup_pax_weakuderef);
87729 +#endif
87730 +#endif
87731 +
87732 +#ifdef CONFIG_PAX_SOFTMODE
87733 +int pax_softmode;
87734 +
87735 +static int __init setup_pax_softmode(char *str)
87736 +{
87737 + get_option(&str, &pax_softmode);
87738 + return 1;
87739 +}
87740 +__setup("pax_softmode=", setup_pax_softmode);
87741 +#endif
87742 +
87743 static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, };
87744 const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
87745 static const char *panic_later, *panic_param;
87746 @@ -728,7 +799,7 @@ static bool __init_or_module initcall_blacklisted(initcall_t fn)
87747 struct blacklist_entry *entry;
87748 char *fn_name;
87749
87750 - fn_name = kasprintf(GFP_KERNEL, "%pf", fn);
87751 + fn_name = kasprintf(GFP_KERNEL, "%pX", fn);
87752 if (!fn_name)
87753 return false;
87754
87755 @@ -780,7 +851,7 @@ int __init_or_module do_one_initcall(initcall_t fn)
87756 {
87757 int count = preempt_count();
87758 int ret;
87759 - char msgbuf[64];
87760 + const char *msg1 = "", *msg2 = "";
87761
87762 if (initcall_blacklisted(fn))
87763 return -EPERM;
87764 @@ -790,18 +861,17 @@ int __init_or_module do_one_initcall(initcall_t fn)
87765 else
87766 ret = fn();
87767
87768 - msgbuf[0] = 0;
87769 -
87770 if (preempt_count() != count) {
87771 - sprintf(msgbuf, "preemption imbalance ");
87772 + msg1 = " preemption imbalance";
87773 preempt_count_set(count);
87774 }
87775 if (irqs_disabled()) {
87776 - strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
87777 + msg2 = " disabled interrupts";
87778 local_irq_enable();
87779 }
87780 - WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf);
87781 + WARN(*msg1 || *msg2, "initcall %pF returned with%s%s\n", fn, msg1, msg2);
87782
87783 + add_latent_entropy();
87784 return ret;
87785 }
87786
87787 @@ -907,8 +977,8 @@ static int run_init_process(const char *init_filename)
87788 {
87789 argv_init[0] = init_filename;
87790 return do_execve(getname_kernel(init_filename),
87791 - (const char __user *const __user *)argv_init,
87792 - (const char __user *const __user *)envp_init);
87793 + (const char __user *const __force_user *)argv_init,
87794 + (const char __user *const __force_user *)envp_init);
87795 }
87796
87797 static int try_to_run_init_process(const char *init_filename)
87798 @@ -925,6 +995,10 @@ static int try_to_run_init_process(const char *init_filename)
87799 return ret;
87800 }
87801
87802 +#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD
87803 +extern int gr_init_ran;
87804 +#endif
87805 +
87806 static noinline void __init kernel_init_freeable(void);
87807
87808 static int __ref kernel_init(void *unused)
87809 @@ -949,6 +1023,11 @@ static int __ref kernel_init(void *unused)
87810 ramdisk_execute_command, ret);
87811 }
87812
87813 +#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD
87814 + /* if no initrd was used, be extra sure we enforce chroot restrictions */
87815 + gr_init_ran = 1;
87816 +#endif
87817 +
87818 /*
87819 * We try each of these until one succeeds.
87820 *
87821 @@ -1004,7 +1083,7 @@ static noinline void __init kernel_init_freeable(void)
87822 do_basic_setup();
87823
87824 /* Open the /dev/console on the rootfs, this should never fail */
87825 - if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
87826 + if (sys_open((const char __force_user *) "/dev/console", O_RDWR, 0) < 0)
87827 pr_err("Warning: unable to open an initial console.\n");
87828
87829 (void) sys_dup(0);
87830 @@ -1017,11 +1096,13 @@ static noinline void __init kernel_init_freeable(void)
87831 if (!ramdisk_execute_command)
87832 ramdisk_execute_command = "/init";
87833
87834 - if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
87835 + if (sys_access((const char __force_user *) ramdisk_execute_command, 0) != 0) {
87836 ramdisk_execute_command = NULL;
87837 prepare_namespace();
87838 }
87839
87840 + grsecurity_init();
87841 +
87842 /*
87843 * Ok, we have completed the initial bootup, and
87844 * we're essentially up and running. Get rid of the
87845 diff --git a/ipc/compat.c b/ipc/compat.c
87846 index 9b3c85f..1c4d897 100644
87847 --- a/ipc/compat.c
87848 +++ b/ipc/compat.c
87849 @@ -396,7 +396,7 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
87850 COMPAT_SHMLBA);
87851 if (err < 0)
87852 return err;
87853 - return put_user(raddr, (compat_ulong_t *)compat_ptr(third));
87854 + return put_user(raddr, (compat_ulong_t __user *)compat_ptr(third));
87855 }
87856 case SHMDT:
87857 return sys_shmdt(compat_ptr(ptr));
87858 diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
87859 index e8075b2..76f2c6a 100644
87860 --- a/ipc/ipc_sysctl.c
87861 +++ b/ipc/ipc_sysctl.c
87862 @@ -30,7 +30,7 @@ static void *get_ipc(struct ctl_table *table)
87863 static int proc_ipc_dointvec(struct ctl_table *table, int write,
87864 void __user *buffer, size_t *lenp, loff_t *ppos)
87865 {
87866 - struct ctl_table ipc_table;
87867 + ctl_table_no_const ipc_table;
87868
87869 memcpy(&ipc_table, table, sizeof(ipc_table));
87870 ipc_table.data = get_ipc(table);
87871 @@ -41,7 +41,7 @@ static int proc_ipc_dointvec(struct ctl_table *table, int write,
87872 static int proc_ipc_dointvec_minmax(struct ctl_table *table, int write,
87873 void __user *buffer, size_t *lenp, loff_t *ppos)
87874 {
87875 - struct ctl_table ipc_table;
87876 + ctl_table_no_const ipc_table;
87877
87878 memcpy(&ipc_table, table, sizeof(ipc_table));
87879 ipc_table.data = get_ipc(table);
87880 @@ -65,7 +65,7 @@ static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write,
87881 static int proc_ipc_callback_dointvec_minmax(struct ctl_table *table, int write,
87882 void __user *buffer, size_t *lenp, loff_t *ppos)
87883 {
87884 - struct ctl_table ipc_table;
87885 + ctl_table_no_const ipc_table;
87886 size_t lenp_bef = *lenp;
87887 int rc;
87888
87889 @@ -88,7 +88,7 @@ static int proc_ipc_callback_dointvec_minmax(struct ctl_table *table, int write,
87890 static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write,
87891 void __user *buffer, size_t *lenp, loff_t *ppos)
87892 {
87893 - struct ctl_table ipc_table;
87894 + ctl_table_no_const ipc_table;
87895 memcpy(&ipc_table, table, sizeof(ipc_table));
87896 ipc_table.data = get_ipc(table);
87897
87898 @@ -122,7 +122,7 @@ static void ipc_auto_callback(int val)
87899 static int proc_ipcauto_dointvec_minmax(struct ctl_table *table, int write,
87900 void __user *buffer, size_t *lenp, loff_t *ppos)
87901 {
87902 - struct ctl_table ipc_table;
87903 + ctl_table_no_const ipc_table;
87904 int oldval;
87905 int rc;
87906
87907 diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c
87908 index 68d4e95..1477ded 100644
87909 --- a/ipc/mq_sysctl.c
87910 +++ b/ipc/mq_sysctl.c
87911 @@ -25,7 +25,7 @@ static void *get_mq(struct ctl_table *table)
87912 static int proc_mq_dointvec(struct ctl_table *table, int write,
87913 void __user *buffer, size_t *lenp, loff_t *ppos)
87914 {
87915 - struct ctl_table mq_table;
87916 + ctl_table_no_const mq_table;
87917 memcpy(&mq_table, table, sizeof(mq_table));
87918 mq_table.data = get_mq(table);
87919
87920 @@ -35,7 +35,7 @@ static int proc_mq_dointvec(struct ctl_table *table, int write,
87921 static int proc_mq_dointvec_minmax(struct ctl_table *table, int write,
87922 void __user *buffer, size_t *lenp, loff_t *ppos)
87923 {
87924 - struct ctl_table mq_table;
87925 + ctl_table_no_const mq_table;
87926 memcpy(&mq_table, table, sizeof(mq_table));
87927 mq_table.data = get_mq(table);
87928
87929 diff --git a/ipc/mqueue.c b/ipc/mqueue.c
87930 index 4fcf39a..d3cc2ec 100644
87931 --- a/ipc/mqueue.c
87932 +++ b/ipc/mqueue.c
87933 @@ -278,6 +278,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
87934 mq_bytes = mq_treesize + (info->attr.mq_maxmsg *
87935 info->attr.mq_msgsize);
87936
87937 + gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1);
87938 spin_lock(&mq_lock);
87939 if (u->mq_bytes + mq_bytes < u->mq_bytes ||
87940 u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
87941 diff --git a/ipc/shm.c b/ipc/shm.c
87942 index 0145479..3d27947 100644
87943 --- a/ipc/shm.c
87944 +++ b/ipc/shm.c
87945 @@ -72,6 +72,14 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp);
87946 static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
87947 #endif
87948
87949 +#ifdef CONFIG_GRKERNSEC
87950 +extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
87951 + const u64 shm_createtime, const kuid_t cuid,
87952 + const int shmid);
87953 +extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid,
87954 + const u64 shm_createtime);
87955 +#endif
87956 +
87957 void shm_init_ns(struct ipc_namespace *ns)
87958 {
87959 ns->shm_ctlmax = SHMMAX;
87960 @@ -559,6 +567,9 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
87961 shp->shm_lprid = 0;
87962 shp->shm_atim = shp->shm_dtim = 0;
87963 shp->shm_ctim = get_seconds();
87964 +#ifdef CONFIG_GRKERNSEC
87965 + shp->shm_createtime = ktime_get_ns();
87966 +#endif
87967 shp->shm_segsz = size;
87968 shp->shm_nattch = 0;
87969 shp->shm_file = file;
87970 @@ -1095,6 +1106,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
87971 f_mode = FMODE_READ | FMODE_WRITE;
87972 }
87973 if (shmflg & SHM_EXEC) {
87974 +
87975 +#ifdef CONFIG_PAX_MPROTECT
87976 + if (current->mm->pax_flags & MF_PAX_MPROTECT)
87977 + goto out;
87978 +#endif
87979 +
87980 prot |= PROT_EXEC;
87981 acc_mode |= S_IXUGO;
87982 }
87983 @@ -1119,6 +1136,15 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
87984 if (err)
87985 goto out_unlock;
87986
87987 +#ifdef CONFIG_GRKERNSEC
87988 + if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime,
87989 + shp->shm_perm.cuid, shmid) ||
87990 + !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) {
87991 + err = -EACCES;
87992 + goto out_unlock;
87993 + }
87994 +#endif
87995 +
87996 ipc_lock_object(&shp->shm_perm);
87997
87998 /* check if shm_destroy() is tearing down shp */
87999 @@ -1131,6 +1157,9 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
88000 path = shp->shm_file->f_path;
88001 path_get(&path);
88002 shp->shm_nattch++;
88003 +#ifdef CONFIG_GRKERNSEC
88004 + shp->shm_lapid = current->pid;
88005 +#endif
88006 size = i_size_read(path.dentry->d_inode);
88007 ipc_unlock_object(&shp->shm_perm);
88008 rcu_read_unlock();
88009 diff --git a/ipc/util.c b/ipc/util.c
88010 index 88adc32..3867c68 100644
88011 --- a/ipc/util.c
88012 +++ b/ipc/util.c
88013 @@ -71,6 +71,8 @@ struct ipc_proc_iface {
88014 int (*show)(struct seq_file *, void *);
88015 };
88016
88017 +extern int gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode);
88018 +
88019 static void ipc_memory_notifier(struct work_struct *work)
88020 {
88021 ipcns_notify(IPCNS_MEMCHANGED);
88022 @@ -537,6 +539,10 @@ int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag)
88023 granted_mode >>= 6;
88024 else if (in_group_p(ipcp->cgid) || in_group_p(ipcp->gid))
88025 granted_mode >>= 3;
88026 +
88027 + if (!gr_ipc_permitted(ns, ipcp, requested_mode, granted_mode))
88028 + return -1;
88029 +
88030 /* is there some bit set in requested_mode but not in granted_mode? */
88031 if ((requested_mode & ~granted_mode & 0007) &&
88032 !ns_capable(ns->user_ns, CAP_IPC_OWNER))
88033 diff --git a/kernel/audit.c b/kernel/audit.c
88034 index c6df990..fde80b4 100644
88035 --- a/kernel/audit.c
88036 +++ b/kernel/audit.c
88037 @@ -122,7 +122,7 @@ u32 audit_sig_sid = 0;
88038 3) suppressed due to audit_rate_limit
88039 4) suppressed due to audit_backlog_limit
88040 */
88041 -static atomic_t audit_lost = ATOMIC_INIT(0);
88042 +static atomic_unchecked_t audit_lost = ATOMIC_INIT(0);
88043
88044 /* The netlink socket. */
88045 static struct sock *audit_sock;
88046 @@ -256,7 +256,7 @@ void audit_log_lost(const char *message)
88047 unsigned long now;
88048 int print;
88049
88050 - atomic_inc(&audit_lost);
88051 + atomic_inc_unchecked(&audit_lost);
88052
88053 print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit);
88054
88055 @@ -273,7 +273,7 @@ void audit_log_lost(const char *message)
88056 if (print) {
88057 if (printk_ratelimit())
88058 pr_warn("audit_lost=%u audit_rate_limit=%u audit_backlog_limit=%u\n",
88059 - atomic_read(&audit_lost),
88060 + atomic_read_unchecked(&audit_lost),
88061 audit_rate_limit,
88062 audit_backlog_limit);
88063 audit_panic(message);
88064 @@ -840,7 +840,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
88065 s.pid = audit_pid;
88066 s.rate_limit = audit_rate_limit;
88067 s.backlog_limit = audit_backlog_limit;
88068 - s.lost = atomic_read(&audit_lost);
88069 + s.lost = atomic_read_unchecked(&audit_lost);
88070 s.backlog = skb_queue_len(&audit_skb_queue);
88071 s.version = AUDIT_VERSION_LATEST;
88072 s.backlog_wait_time = audit_backlog_wait_time;
88073 diff --git a/kernel/auditsc.c b/kernel/auditsc.c
88074 index e420a0c..38137fa 100644
88075 --- a/kernel/auditsc.c
88076 +++ b/kernel/auditsc.c
88077 @@ -2014,7 +2014,7 @@ int auditsc_get_stamp(struct audit_context *ctx,
88078 }
88079
88080 /* global counter which is incremented every time something logs in */
88081 -static atomic_t session_id = ATOMIC_INIT(0);
88082 +static atomic_unchecked_t session_id = ATOMIC_INIT(0);
88083
88084 static int audit_set_loginuid_perm(kuid_t loginuid)
88085 {
88086 @@ -2081,7 +2081,7 @@ int audit_set_loginuid(kuid_t loginuid)
88087
88088 /* are we setting or clearing? */
88089 if (uid_valid(loginuid))
88090 - sessionid = (unsigned int)atomic_inc_return(&session_id);
88091 + sessionid = (unsigned int)atomic_inc_return_unchecked(&session_id);
88092
88093 task->sessionid = sessionid;
88094 task->loginuid = loginuid;
88095 diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
88096 index d6594e4..597264b 100644
88097 --- a/kernel/bpf/core.c
88098 +++ b/kernel/bpf/core.c
88099 @@ -143,14 +143,17 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
88100 * random section of illegal instructions.
88101 */
88102 size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE);
88103 - hdr = module_alloc(size);
88104 + hdr = module_alloc_exec(size);
88105 if (hdr == NULL)
88106 return NULL;
88107
88108 /* Fill space with illegal/arch-dep instructions. */
88109 bpf_fill_ill_insns(hdr, size);
88110
88111 + pax_open_kernel();
88112 hdr->pages = size / PAGE_SIZE;
88113 + pax_close_kernel();
88114 +
88115 hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
88116 PAGE_SIZE - sizeof(*hdr));
88117 start = (prandom_u32() % hole) & ~(alignment - 1);
88118 @@ -163,7 +166,7 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
88119
88120 void bpf_jit_binary_free(struct bpf_binary_header *hdr)
88121 {
88122 - module_free(NULL, hdr);
88123 + module_free_exec(NULL, hdr);
88124 }
88125 #endif /* CONFIG_BPF_JIT */
88126
88127 diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
88128 index ba61c8c..c60c486 100644
88129 --- a/kernel/bpf/syscall.c
88130 +++ b/kernel/bpf/syscall.c
88131 @@ -539,11 +539,15 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
88132 int err;
88133
88134 /* the syscall is limited to root temporarily. This restriction will be
88135 - * lifted when security audit is clean. Note that eBPF+tracing must have
88136 - * this restriction, since it may pass kernel data to user space
88137 + * lifted by upstream when a half-assed security audit is clean. Note
88138 + * that eBPF+tracing must have this restriction, since it may pass
88139 + * kernel data to user space
88140 */
88141 if (!capable(CAP_SYS_ADMIN))
88142 return -EPERM;
88143 +#ifdef CONFIG_GRKERNSEC
88144 + return -EPERM;
88145 +#endif
88146
88147 if (!access_ok(VERIFY_READ, uattr, 1))
88148 return -EFAULT;
88149 diff --git a/kernel/capability.c b/kernel/capability.c
88150 index 989f5bf..d317ca0 100644
88151 --- a/kernel/capability.c
88152 +++ b/kernel/capability.c
88153 @@ -192,6 +192,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr)
88154 * before modification is attempted and the application
88155 * fails.
88156 */
88157 + if (tocopy > ARRAY_SIZE(kdata))
88158 + return -EFAULT;
88159 +
88160 if (copy_to_user(dataptr, kdata, tocopy
88161 * sizeof(struct __user_cap_data_struct))) {
88162 return -EFAULT;
88163 @@ -297,10 +300,11 @@ bool has_ns_capability(struct task_struct *t,
88164 int ret;
88165
88166 rcu_read_lock();
88167 - ret = security_capable(__task_cred(t), ns, cap);
88168 + ret = security_capable(__task_cred(t), ns, cap) == 0 &&
88169 + gr_task_is_capable(t, __task_cred(t), cap);
88170 rcu_read_unlock();
88171
88172 - return (ret == 0);
88173 + return ret;
88174 }
88175
88176 /**
88177 @@ -337,10 +341,10 @@ bool has_ns_capability_noaudit(struct task_struct *t,
88178 int ret;
88179
88180 rcu_read_lock();
88181 - ret = security_capable_noaudit(__task_cred(t), ns, cap);
88182 + ret = security_capable_noaudit(__task_cred(t), ns, cap) == 0 && gr_task_is_capable_nolog(t, cap);
88183 rcu_read_unlock();
88184
88185 - return (ret == 0);
88186 + return ret;
88187 }
88188
88189 /**
88190 @@ -378,7 +382,7 @@ bool ns_capable(struct user_namespace *ns, int cap)
88191 BUG();
88192 }
88193
88194 - if (security_capable(current_cred(), ns, cap) == 0) {
88195 + if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable(cap)) {
88196 current->flags |= PF_SUPERPRIV;
88197 return true;
88198 }
88199 @@ -386,6 +390,21 @@ bool ns_capable(struct user_namespace *ns, int cap)
88200 }
88201 EXPORT_SYMBOL(ns_capable);
88202
88203 +bool ns_capable_nolog(struct user_namespace *ns, int cap)
88204 +{
88205 + if (unlikely(!cap_valid(cap))) {
88206 + printk(KERN_CRIT "capable_nolog() called with invalid cap=%u\n", cap);
88207 + BUG();
88208 + }
88209 +
88210 + if (security_capable_noaudit(current_cred(), ns, cap) == 0 && gr_is_capable_nolog(cap)) {
88211 + current->flags |= PF_SUPERPRIV;
88212 + return true;
88213 + }
88214 + return false;
88215 +}
88216 +EXPORT_SYMBOL(ns_capable_nolog);
88217 +
88218 /**
88219 * file_ns_capable - Determine if the file's opener had a capability in effect
88220 * @file: The file we want to check
88221 @@ -427,6 +446,12 @@ bool capable(int cap)
88222 }
88223 EXPORT_SYMBOL(capable);
88224
88225 +bool capable_nolog(int cap)
88226 +{
88227 + return ns_capable_nolog(&init_user_ns, cap);
88228 +}
88229 +EXPORT_SYMBOL(capable_nolog);
88230 +
88231 /**
88232 * capable_wrt_inode_uidgid - Check nsown_capable and uid and gid mapped
88233 * @inode: The inode in question
88234 @@ -444,3 +469,12 @@ bool capable_wrt_inode_uidgid(const struct inode *inode, int cap)
88235 kgid_has_mapping(ns, inode->i_gid);
88236 }
88237 EXPORT_SYMBOL(capable_wrt_inode_uidgid);
88238 +
88239 +bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap)
88240 +{
88241 + struct user_namespace *ns = current_user_ns();
88242 +
88243 + return ns_capable_nolog(ns, cap) && kuid_has_mapping(ns, inode->i_uid) &&
88244 + kgid_has_mapping(ns, inode->i_gid);
88245 +}
88246 +EXPORT_SYMBOL(capable_wrt_inode_uidgid_nolog);
88247 diff --git a/kernel/cgroup.c b/kernel/cgroup.c
88248 index 136ecea..45157a6 100644
88249 --- a/kernel/cgroup.c
88250 +++ b/kernel/cgroup.c
88251 @@ -5276,6 +5276,9 @@ static void cgroup_release_agent(struct work_struct *work)
88252 if (!pathbuf || !agentbuf)
88253 goto out;
88254
88255 + if (agentbuf[0] == '\0')
88256 + goto out;
88257 +
88258 path = cgroup_path(cgrp, pathbuf, PATH_MAX);
88259 if (!path)
88260 goto out;
88261 @@ -5461,7 +5464,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v)
88262 struct task_struct *task;
88263 int count = 0;
88264
88265 - seq_printf(seq, "css_set %p\n", cset);
88266 + seq_printf(seq, "css_set %pK\n", cset);
88267
88268 list_for_each_entry(task, &cset->tasks, cg_list) {
88269 if (count++ > MAX_TASKS_SHOWN_PER_CSS)
88270 diff --git a/kernel/compat.c b/kernel/compat.c
88271 index ebb3c36..1df606e 100644
88272 --- a/kernel/compat.c
88273 +++ b/kernel/compat.c
88274 @@ -13,6 +13,7 @@
88275
88276 #include <linux/linkage.h>
88277 #include <linux/compat.h>
88278 +#include <linux/module.h>
88279 #include <linux/errno.h>
88280 #include <linux/time.h>
88281 #include <linux/signal.h>
88282 @@ -220,7 +221,7 @@ static long compat_nanosleep_restart(struct restart_block *restart)
88283 mm_segment_t oldfs;
88284 long ret;
88285
88286 - restart->nanosleep.rmtp = (struct timespec __user *) &rmt;
88287 + restart->nanosleep.rmtp = (struct timespec __force_user *) &rmt;
88288 oldfs = get_fs();
88289 set_fs(KERNEL_DS);
88290 ret = hrtimer_nanosleep_restart(restart);
88291 @@ -252,7 +253,7 @@ COMPAT_SYSCALL_DEFINE2(nanosleep, struct compat_timespec __user *, rqtp,
88292 oldfs = get_fs();
88293 set_fs(KERNEL_DS);
88294 ret = hrtimer_nanosleep(&tu,
88295 - rmtp ? (struct timespec __user *)&rmt : NULL,
88296 + rmtp ? (struct timespec __force_user *)&rmt : NULL,
88297 HRTIMER_MODE_REL, CLOCK_MONOTONIC);
88298 set_fs(oldfs);
88299
88300 @@ -379,7 +380,7 @@ COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set)
88301 mm_segment_t old_fs = get_fs();
88302
88303 set_fs(KERNEL_DS);
88304 - ret = sys_sigpending((old_sigset_t __user *) &s);
88305 + ret = sys_sigpending((old_sigset_t __force_user *) &s);
88306 set_fs(old_fs);
88307 if (ret == 0)
88308 ret = put_user(s, set);
88309 @@ -469,7 +470,7 @@ COMPAT_SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource,
88310 mm_segment_t old_fs = get_fs();
88311
88312 set_fs(KERNEL_DS);
88313 - ret = sys_old_getrlimit(resource, (struct rlimit __user *)&r);
88314 + ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r);
88315 set_fs(old_fs);
88316
88317 if (!ret) {
88318 @@ -551,8 +552,8 @@ COMPAT_SYSCALL_DEFINE4(wait4,
88319 set_fs (KERNEL_DS);
88320 ret = sys_wait4(pid,
88321 (stat_addr ?
88322 - (unsigned int __user *) &status : NULL),
88323 - options, (struct rusage __user *) &r);
88324 + (unsigned int __force_user *) &status : NULL),
88325 + options, (struct rusage __force_user *) &r);
88326 set_fs (old_fs);
88327
88328 if (ret > 0) {
88329 @@ -578,8 +579,8 @@ COMPAT_SYSCALL_DEFINE5(waitid,
88330 memset(&info, 0, sizeof(info));
88331
88332 set_fs(KERNEL_DS);
88333 - ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options,
88334 - uru ? (struct rusage __user *)&ru : NULL);
88335 + ret = sys_waitid(which, pid, (siginfo_t __force_user *)&info, options,
88336 + uru ? (struct rusage __force_user *)&ru : NULL);
88337 set_fs(old_fs);
88338
88339 if ((ret < 0) || (info.si_signo == 0))
88340 @@ -713,8 +714,8 @@ COMPAT_SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags,
88341 oldfs = get_fs();
88342 set_fs(KERNEL_DS);
88343 err = sys_timer_settime(timer_id, flags,
88344 - (struct itimerspec __user *) &newts,
88345 - (struct itimerspec __user *) &oldts);
88346 + (struct itimerspec __force_user *) &newts,
88347 + (struct itimerspec __force_user *) &oldts);
88348 set_fs(oldfs);
88349 if (!err && old && put_compat_itimerspec(old, &oldts))
88350 return -EFAULT;
88351 @@ -731,7 +732,7 @@ COMPAT_SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id,
88352 oldfs = get_fs();
88353 set_fs(KERNEL_DS);
88354 err = sys_timer_gettime(timer_id,
88355 - (struct itimerspec __user *) &ts);
88356 + (struct itimerspec __force_user *) &ts);
88357 set_fs(oldfs);
88358 if (!err && put_compat_itimerspec(setting, &ts))
88359 return -EFAULT;
88360 @@ -750,7 +751,7 @@ COMPAT_SYSCALL_DEFINE2(clock_settime, clockid_t, which_clock,
88361 oldfs = get_fs();
88362 set_fs(KERNEL_DS);
88363 err = sys_clock_settime(which_clock,
88364 - (struct timespec __user *) &ts);
88365 + (struct timespec __force_user *) &ts);
88366 set_fs(oldfs);
88367 return err;
88368 }
88369 @@ -765,7 +766,7 @@ COMPAT_SYSCALL_DEFINE2(clock_gettime, clockid_t, which_clock,
88370 oldfs = get_fs();
88371 set_fs(KERNEL_DS);
88372 err = sys_clock_gettime(which_clock,
88373 - (struct timespec __user *) &ts);
88374 + (struct timespec __force_user *) &ts);
88375 set_fs(oldfs);
88376 if (!err && compat_put_timespec(&ts, tp))
88377 return -EFAULT;
88378 @@ -785,7 +786,7 @@ COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock,
88379
88380 oldfs = get_fs();
88381 set_fs(KERNEL_DS);
88382 - ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc);
88383 + ret = sys_clock_adjtime(which_clock, (struct timex __force_user *) &txc);
88384 set_fs(oldfs);
88385
88386 err = compat_put_timex(utp, &txc);
88387 @@ -805,7 +806,7 @@ COMPAT_SYSCALL_DEFINE2(clock_getres, clockid_t, which_clock,
88388 oldfs = get_fs();
88389 set_fs(KERNEL_DS);
88390 err = sys_clock_getres(which_clock,
88391 - (struct timespec __user *) &ts);
88392 + (struct timespec __force_user *) &ts);
88393 set_fs(oldfs);
88394 if (!err && tp && compat_put_timespec(&ts, tp))
88395 return -EFAULT;
88396 @@ -819,7 +820,7 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart)
88397 struct timespec tu;
88398 struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp;
88399
88400 - restart->nanosleep.rmtp = (struct timespec __user *) &tu;
88401 + restart->nanosleep.rmtp = (struct timespec __force_user *) &tu;
88402 oldfs = get_fs();
88403 set_fs(KERNEL_DS);
88404 err = clock_nanosleep_restart(restart);
88405 @@ -851,8 +852,8 @@ COMPAT_SYSCALL_DEFINE4(clock_nanosleep, clockid_t, which_clock, int, flags,
88406 oldfs = get_fs();
88407 set_fs(KERNEL_DS);
88408 err = sys_clock_nanosleep(which_clock, flags,
88409 - (struct timespec __user *) &in,
88410 - (struct timespec __user *) &out);
88411 + (struct timespec __force_user *) &in,
88412 + (struct timespec __force_user *) &out);
88413 set_fs(oldfs);
88414
88415 if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&
88416 @@ -1146,7 +1147,7 @@ COMPAT_SYSCALL_DEFINE2(sched_rr_get_interval,
88417 mm_segment_t old_fs = get_fs();
88418
88419 set_fs(KERNEL_DS);
88420 - ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
88421 + ret = sys_sched_rr_get_interval(pid, (struct timespec __force_user *)&t);
88422 set_fs(old_fs);
88423 if (compat_put_timespec(&t, interval))
88424 return -EFAULT;
88425 diff --git a/kernel/configs.c b/kernel/configs.c
88426 index c18b1f1..b9a0132 100644
88427 --- a/kernel/configs.c
88428 +++ b/kernel/configs.c
88429 @@ -74,8 +74,19 @@ static int __init ikconfig_init(void)
88430 struct proc_dir_entry *entry;
88431
88432 /* create the current config file */
88433 +#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM)
88434 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM)
88435 + entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL,
88436 + &ikconfig_file_ops);
88437 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
88438 + entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL,
88439 + &ikconfig_file_ops);
88440 +#endif
88441 +#else
88442 entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
88443 &ikconfig_file_ops);
88444 +#endif
88445 +
88446 if (!entry)
88447 return -ENOMEM;
88448
88449 diff --git a/kernel/cred.c b/kernel/cred.c
88450 index e0573a4..26c0fd3 100644
88451 --- a/kernel/cred.c
88452 +++ b/kernel/cred.c
88453 @@ -164,6 +164,16 @@ void exit_creds(struct task_struct *tsk)
88454 validate_creds(cred);
88455 alter_cred_subscribers(cred, -1);
88456 put_cred(cred);
88457 +
88458 +#ifdef CONFIG_GRKERNSEC_SETXID
88459 + cred = (struct cred *) tsk->delayed_cred;
88460 + if (cred != NULL) {
88461 + tsk->delayed_cred = NULL;
88462 + validate_creds(cred);
88463 + alter_cred_subscribers(cred, -1);
88464 + put_cred(cred);
88465 + }
88466 +#endif
88467 }
88468
88469 /**
88470 @@ -411,7 +421,7 @@ static bool cred_cap_issubset(const struct cred *set, const struct cred *subset)
88471 * Always returns 0 thus allowing this function to be tail-called at the end
88472 * of, say, sys_setgid().
88473 */
88474 -int commit_creds(struct cred *new)
88475 +static int __commit_creds(struct cred *new)
88476 {
88477 struct task_struct *task = current;
88478 const struct cred *old = task->real_cred;
88479 @@ -430,6 +440,8 @@ int commit_creds(struct cred *new)
88480
88481 get_cred(new); /* we will require a ref for the subj creds too */
88482
88483 + gr_set_role_label(task, new->uid, new->gid);
88484 +
88485 /* dumpability changes */
88486 if (!uid_eq(old->euid, new->euid) ||
88487 !gid_eq(old->egid, new->egid) ||
88488 @@ -479,6 +491,105 @@ int commit_creds(struct cred *new)
88489 put_cred(old);
88490 return 0;
88491 }
88492 +#ifdef CONFIG_GRKERNSEC_SETXID
88493 +extern int set_user(struct cred *new);
88494 +
88495 +void gr_delayed_cred_worker(void)
88496 +{
88497 + const struct cred *new = current->delayed_cred;
88498 + struct cred *ncred;
88499 +
88500 + current->delayed_cred = NULL;
88501 +
88502 + if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) && new != NULL) {
88503 + // from doing get_cred on it when queueing this
88504 + put_cred(new);
88505 + return;
88506 + } else if (new == NULL)
88507 + return;
88508 +
88509 + ncred = prepare_creds();
88510 + if (!ncred)
88511 + goto die;
88512 + // uids
88513 + ncred->uid = new->uid;
88514 + ncred->euid = new->euid;
88515 + ncred->suid = new->suid;
88516 + ncred->fsuid = new->fsuid;
88517 + // gids
88518 + ncred->gid = new->gid;
88519 + ncred->egid = new->egid;
88520 + ncred->sgid = new->sgid;
88521 + ncred->fsgid = new->fsgid;
88522 + // groups
88523 + set_groups(ncred, new->group_info);
88524 + // caps
88525 + ncred->securebits = new->securebits;
88526 + ncred->cap_inheritable = new->cap_inheritable;
88527 + ncred->cap_permitted = new->cap_permitted;
88528 + ncred->cap_effective = new->cap_effective;
88529 + ncred->cap_bset = new->cap_bset;
88530 +
88531 + if (set_user(ncred)) {
88532 + abort_creds(ncred);
88533 + goto die;
88534 + }
88535 +
88536 + // from doing get_cred on it when queueing this
88537 + put_cred(new);
88538 +
88539 + __commit_creds(ncred);
88540 + return;
88541 +die:
88542 + // from doing get_cred on it when queueing this
88543 + put_cred(new);
88544 + do_group_exit(SIGKILL);
88545 +}
88546 +#endif
88547 +
88548 +int commit_creds(struct cred *new)
88549 +{
88550 +#ifdef CONFIG_GRKERNSEC_SETXID
88551 + int ret;
88552 + int schedule_it = 0;
88553 + struct task_struct *t;
88554 + unsigned oldsecurebits = current_cred()->securebits;
88555 +
88556 + /* we won't get called with tasklist_lock held for writing
88557 + and interrupts disabled as the cred struct in that case is
88558 + init_cred
88559 + */
88560 + if (grsec_enable_setxid && !current_is_single_threaded() &&
88561 + uid_eq(current_uid(), GLOBAL_ROOT_UID) &&
88562 + !uid_eq(new->uid, GLOBAL_ROOT_UID)) {
88563 + schedule_it = 1;
88564 + }
88565 + ret = __commit_creds(new);
88566 + if (schedule_it) {
88567 + rcu_read_lock();
88568 + read_lock(&tasklist_lock);
88569 + for (t = next_thread(current); t != current;
88570 + t = next_thread(t)) {
88571 + /* we'll check if the thread has uid 0 in
88572 + * the delayed worker routine
88573 + */
88574 + if (task_securebits(t) == oldsecurebits &&
88575 + t->delayed_cred == NULL) {
88576 + t->delayed_cred = get_cred(new);
88577 + set_tsk_thread_flag(t, TIF_GRSEC_SETXID);
88578 + set_tsk_need_resched(t);
88579 + }
88580 + }
88581 + read_unlock(&tasklist_lock);
88582 + rcu_read_unlock();
88583 + }
88584 +
88585 + return ret;
88586 +#else
88587 + return __commit_creds(new);
88588 +#endif
88589 +}
88590 +
88591 EXPORT_SYMBOL(commit_creds);
88592
88593 /**
88594 diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
88595 index 1adf62b..7736e06 100644
88596 --- a/kernel/debug/debug_core.c
88597 +++ b/kernel/debug/debug_core.c
88598 @@ -124,7 +124,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_lock);
88599 */
88600 static atomic_t masters_in_kgdb;
88601 static atomic_t slaves_in_kgdb;
88602 -static atomic_t kgdb_break_tasklet_var;
88603 +static atomic_unchecked_t kgdb_break_tasklet_var;
88604 atomic_t kgdb_setting_breakpoint;
88605
88606 struct task_struct *kgdb_usethread;
88607 @@ -134,7 +134,7 @@ int kgdb_single_step;
88608 static pid_t kgdb_sstep_pid;
88609
88610 /* to keep track of the CPU which is doing the single stepping*/
88611 -atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
88612 +atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1);
88613
88614 /*
88615 * If you are debugging a problem where roundup (the collection of
88616 @@ -549,7 +549,7 @@ return_normal:
88617 * kernel will only try for the value of sstep_tries before
88618 * giving up and continuing on.
88619 */
88620 - if (atomic_read(&kgdb_cpu_doing_single_step) != -1 &&
88621 + if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 &&
88622 (kgdb_info[cpu].task &&
88623 kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
88624 atomic_set(&kgdb_active, -1);
88625 @@ -647,8 +647,8 @@ cpu_master_loop:
88626 }
88627
88628 kgdb_restore:
88629 - if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
88630 - int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step);
88631 + if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) {
88632 + int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step);
88633 if (kgdb_info[sstep_cpu].task)
88634 kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid;
88635 else
88636 @@ -925,18 +925,18 @@ static void kgdb_unregister_callbacks(void)
88637 static void kgdb_tasklet_bpt(unsigned long ing)
88638 {
88639 kgdb_breakpoint();
88640 - atomic_set(&kgdb_break_tasklet_var, 0);
88641 + atomic_set_unchecked(&kgdb_break_tasklet_var, 0);
88642 }
88643
88644 static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0);
88645
88646 void kgdb_schedule_breakpoint(void)
88647 {
88648 - if (atomic_read(&kgdb_break_tasklet_var) ||
88649 + if (atomic_read_unchecked(&kgdb_break_tasklet_var) ||
88650 atomic_read(&kgdb_active) != -1 ||
88651 atomic_read(&kgdb_setting_breakpoint))
88652 return;
88653 - atomic_inc(&kgdb_break_tasklet_var);
88654 + atomic_inc_unchecked(&kgdb_break_tasklet_var);
88655 tasklet_schedule(&kgdb_tasklet_breakpoint);
88656 }
88657 EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint);
88658 diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
88659 index 379650b..30c5180 100644
88660 --- a/kernel/debug/kdb/kdb_main.c
88661 +++ b/kernel/debug/kdb/kdb_main.c
88662 @@ -1977,7 +1977,7 @@ static int kdb_lsmod(int argc, const char **argv)
88663 continue;
88664
88665 kdb_printf("%-20s%8u 0x%p ", mod->name,
88666 - mod->core_size, (void *)mod);
88667 + mod->core_size_rx + mod->core_size_rw, (void *)mod);
88668 #ifdef CONFIG_MODULE_UNLOAD
88669 kdb_printf("%4ld ", module_refcount(mod));
88670 #endif
88671 @@ -1987,7 +1987,7 @@ static int kdb_lsmod(int argc, const char **argv)
88672 kdb_printf(" (Loading)");
88673 else
88674 kdb_printf(" (Live)");
88675 - kdb_printf(" 0x%p", mod->module_core);
88676 + kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw);
88677
88678 #ifdef CONFIG_MODULE_UNLOAD
88679 {
88680 diff --git a/kernel/events/core.c b/kernel/events/core.c
88681 index 2ab0238..bf89262f5 100644
88682 --- a/kernel/events/core.c
88683 +++ b/kernel/events/core.c
88684 @@ -170,8 +170,15 @@ static struct srcu_struct pmus_srcu;
88685 * 0 - disallow raw tracepoint access for unpriv
88686 * 1 - disallow cpu events for unpriv
88687 * 2 - disallow kernel profiling for unpriv
88688 + * 3 - disallow all unpriv perf event use
88689 */
88690 -int sysctl_perf_event_paranoid __read_mostly = 1;
88691 +#ifdef CONFIG_GRKERNSEC_PERF_HARDEN
88692 +int sysctl_perf_event_legitimately_concerned __read_mostly = 3;
88693 +#elif defined(CONFIG_GRKERNSEC_HIDESYM)
88694 +int sysctl_perf_event_legitimately_concerned __read_mostly = 2;
88695 +#else
88696 +int sysctl_perf_event_legitimately_concerned __read_mostly = 1;
88697 +#endif
88698
88699 /* Minimum for 512 kiB + 1 user control page */
88700 int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */
88701 @@ -197,7 +204,7 @@ void update_perf_cpu_limits(void)
88702
88703 tmp *= sysctl_perf_cpu_time_max_percent;
88704 do_div(tmp, 100);
88705 - ACCESS_ONCE(perf_sample_allowed_ns) = tmp;
88706 + ACCESS_ONCE_RW(perf_sample_allowed_ns) = tmp;
88707 }
88708
88709 static int perf_rotate_context(struct perf_cpu_context *cpuctx);
88710 @@ -303,7 +310,7 @@ void perf_sample_event_took(u64 sample_len_ns)
88711 }
88712 }
88713
88714 -static atomic64_t perf_event_id;
88715 +static atomic64_unchecked_t perf_event_id;
88716
88717 static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx,
88718 enum event_type_t event_type);
88719 @@ -3102,7 +3109,7 @@ static void __perf_event_read(void *info)
88720
88721 static inline u64 perf_event_count(struct perf_event *event)
88722 {
88723 - return local64_read(&event->count) + atomic64_read(&event->child_count);
88724 + return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count);
88725 }
88726
88727 static u64 perf_event_read(struct perf_event *event)
88728 @@ -3528,9 +3535,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running)
88729 mutex_lock(&event->child_mutex);
88730 total += perf_event_read(event);
88731 *enabled += event->total_time_enabled +
88732 - atomic64_read(&event->child_total_time_enabled);
88733 + atomic64_read_unchecked(&event->child_total_time_enabled);
88734 *running += event->total_time_running +
88735 - atomic64_read(&event->child_total_time_running);
88736 + atomic64_read_unchecked(&event->child_total_time_running);
88737
88738 list_for_each_entry(child, &event->child_list, child_list) {
88739 total += perf_event_read(child);
88740 @@ -3994,10 +4001,10 @@ void perf_event_update_userpage(struct perf_event *event)
88741 userpg->offset -= local64_read(&event->hw.prev_count);
88742
88743 userpg->time_enabled = enabled +
88744 - atomic64_read(&event->child_total_time_enabled);
88745 + atomic64_read_unchecked(&event->child_total_time_enabled);
88746
88747 userpg->time_running = running +
88748 - atomic64_read(&event->child_total_time_running);
88749 + atomic64_read_unchecked(&event->child_total_time_running);
88750
88751 arch_perf_update_userpage(userpg, now);
88752
88753 @@ -4561,7 +4568,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size,
88754
88755 /* Data. */
88756 sp = perf_user_stack_pointer(regs);
88757 - rem = __output_copy_user(handle, (void *) sp, dump_size);
88758 + rem = __output_copy_user(handle, (void __user *) sp, dump_size);
88759 dyn_size = dump_size - rem;
88760
88761 perf_output_skip(handle, rem);
88762 @@ -4652,11 +4659,11 @@ static void perf_output_read_one(struct perf_output_handle *handle,
88763 values[n++] = perf_event_count(event);
88764 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
88765 values[n++] = enabled +
88766 - atomic64_read(&event->child_total_time_enabled);
88767 + atomic64_read_unchecked(&event->child_total_time_enabled);
88768 }
88769 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
88770 values[n++] = running +
88771 - atomic64_read(&event->child_total_time_running);
88772 + atomic64_read_unchecked(&event->child_total_time_running);
88773 }
88774 if (read_format & PERF_FORMAT_ID)
88775 values[n++] = primary_event_id(event);
88776 @@ -6958,7 +6965,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
88777 event->parent = parent_event;
88778
88779 event->ns = get_pid_ns(task_active_pid_ns(current));
88780 - event->id = atomic64_inc_return(&perf_event_id);
88781 + event->id = atomic64_inc_return_unchecked(&perf_event_id);
88782
88783 event->state = PERF_EVENT_STATE_INACTIVE;
88784
88785 @@ -7237,6 +7244,11 @@ SYSCALL_DEFINE5(perf_event_open,
88786 if (flags & ~PERF_FLAG_ALL)
88787 return -EINVAL;
88788
88789 +#ifdef CONFIG_GRKERNSEC_PERF_HARDEN
88790 + if (perf_paranoid_any() && !capable(CAP_SYS_ADMIN))
88791 + return -EACCES;
88792 +#endif
88793 +
88794 err = perf_copy_attr(attr_uptr, &attr);
88795 if (err)
88796 return err;
88797 @@ -7592,10 +7604,10 @@ static void sync_child_event(struct perf_event *child_event,
88798 /*
88799 * Add back the child's count to the parent's count:
88800 */
88801 - atomic64_add(child_val, &parent_event->child_count);
88802 - atomic64_add(child_event->total_time_enabled,
88803 + atomic64_add_unchecked(child_val, &parent_event->child_count);
88804 + atomic64_add_unchecked(child_event->total_time_enabled,
88805 &parent_event->child_total_time_enabled);
88806 - atomic64_add(child_event->total_time_running,
88807 + atomic64_add_unchecked(child_event->total_time_running,
88808 &parent_event->child_total_time_running);
88809
88810 /*
88811 diff --git a/kernel/events/internal.h b/kernel/events/internal.h
88812 index 569b2187..19940d9 100644
88813 --- a/kernel/events/internal.h
88814 +++ b/kernel/events/internal.h
88815 @@ -81,10 +81,10 @@ static inline unsigned long perf_data_size(struct ring_buffer *rb)
88816 return rb->nr_pages << (PAGE_SHIFT + page_order(rb));
88817 }
88818
88819 -#define DEFINE_OUTPUT_COPY(func_name, memcpy_func) \
88820 +#define DEFINE_OUTPUT_COPY(func_name, memcpy_func, user) \
88821 static inline unsigned long \
88822 func_name(struct perf_output_handle *handle, \
88823 - const void *buf, unsigned long len) \
88824 + const void user *buf, unsigned long len) \
88825 { \
88826 unsigned long size, written; \
88827 \
88828 @@ -117,7 +117,7 @@ memcpy_common(void *dst, const void *src, unsigned long n)
88829 return 0;
88830 }
88831
88832 -DEFINE_OUTPUT_COPY(__output_copy, memcpy_common)
88833 +DEFINE_OUTPUT_COPY(__output_copy, memcpy_common, )
88834
88835 static inline unsigned long
88836 memcpy_skip(void *dst, const void *src, unsigned long n)
88837 @@ -125,7 +125,7 @@ memcpy_skip(void *dst, const void *src, unsigned long n)
88838 return 0;
88839 }
88840
88841 -DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip)
88842 +DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip, )
88843
88844 #ifndef arch_perf_out_copy_user
88845 #define arch_perf_out_copy_user arch_perf_out_copy_user
88846 @@ -143,7 +143,7 @@ arch_perf_out_copy_user(void *dst, const void *src, unsigned long n)
88847 }
88848 #endif
88849
88850 -DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user)
88851 +DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user, __user)
88852
88853 /* Callchain handling */
88854 extern struct perf_callchain_entry *
88855 diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
88856 index ed8f2cd..fe8030c 100644
88857 --- a/kernel/events/uprobes.c
88858 +++ b/kernel/events/uprobes.c
88859 @@ -1670,7 +1670,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsigned long vaddr)
88860 {
88861 struct page *page;
88862 uprobe_opcode_t opcode;
88863 - int result;
88864 + long result;
88865
88866 pagefault_disable();
88867 result = __copy_from_user_inatomic(&opcode, (void __user*)vaddr,
88868 diff --git a/kernel/exit.c b/kernel/exit.c
88869 index 2116aac..d95df2a 100644
88870 --- a/kernel/exit.c
88871 +++ b/kernel/exit.c
88872 @@ -174,6 +174,10 @@ void release_task(struct task_struct *p)
88873 struct task_struct *leader;
88874 int zap_leader;
88875 repeat:
88876 +#ifdef CONFIG_NET
88877 + gr_del_task_from_ip_table(p);
88878 +#endif
88879 +
88880 /* don't need to get the RCU readlock here - the process is dead and
88881 * can't be modifying its own credentials. But shut RCU-lockdep up */
88882 rcu_read_lock();
88883 @@ -670,6 +674,8 @@ void do_exit(long code)
88884 int group_dead;
88885 TASKS_RCU(int tasks_rcu_i);
88886
88887 + set_fs(USER_DS);
88888 +
88889 profile_task_exit(tsk);
88890
88891 WARN_ON(blk_needs_flush_plug(tsk));
88892 @@ -686,7 +692,6 @@ void do_exit(long code)
88893 * mm_release()->clear_child_tid() from writing to a user-controlled
88894 * kernel address.
88895 */
88896 - set_fs(USER_DS);
88897
88898 ptrace_event(PTRACE_EVENT_EXIT, code);
88899
88900 @@ -744,6 +749,9 @@ void do_exit(long code)
88901 tsk->exit_code = code;
88902 taskstats_exit(tsk, group_dead);
88903
88904 + gr_acl_handle_psacct(tsk, code);
88905 + gr_acl_handle_exit();
88906 +
88907 exit_mm(tsk);
88908
88909 if (group_dead)
88910 @@ -863,7 +871,7 @@ SYSCALL_DEFINE1(exit, int, error_code)
88911 * Take down every thread in the group. This is called by fatal signals
88912 * as well as by sys_exit_group (below).
88913 */
88914 -void
88915 +__noreturn void
88916 do_group_exit(int exit_code)
88917 {
88918 struct signal_struct *sig = current->signal;
88919 diff --git a/kernel/fork.c b/kernel/fork.c
88920 index 9b7d746..5b898ab 100644
88921 --- a/kernel/fork.c
88922 +++ b/kernel/fork.c
88923 @@ -183,6 +183,48 @@ void thread_info_cache_init(void)
88924 # endif
88925 #endif
88926
88927 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
88928 +static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk,
88929 + int node, void **lowmem_stack)
88930 +{
88931 + struct page *pages[THREAD_SIZE / PAGE_SIZE];
88932 + void *ret = NULL;
88933 + unsigned int i;
88934 +
88935 + *lowmem_stack = alloc_thread_info_node(tsk, node);
88936 + if (*lowmem_stack == NULL)
88937 + goto out;
88938 +
88939 + for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++)
88940 + pages[i] = virt_to_page(*lowmem_stack + (i * PAGE_SIZE));
88941 +
88942 + /* use VM_IOREMAP to gain THREAD_SIZE alignment */
88943 + ret = vmap(pages, THREAD_SIZE / PAGE_SIZE, VM_IOREMAP, PAGE_KERNEL);
88944 + if (ret == NULL) {
88945 + free_thread_info(*lowmem_stack);
88946 + *lowmem_stack = NULL;
88947 + }
88948 +
88949 +out:
88950 + return ret;
88951 +}
88952 +
88953 +static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti)
88954 +{
88955 + unmap_process_stacks(tsk);
88956 +}
88957 +#else
88958 +static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk,
88959 + int node, void **lowmem_stack)
88960 +{
88961 + return alloc_thread_info_node(tsk, node);
88962 +}
88963 +static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti)
88964 +{
88965 + free_thread_info(ti);
88966 +}
88967 +#endif
88968 +
88969 /* SLAB cache for signal_struct structures (tsk->signal) */
88970 static struct kmem_cache *signal_cachep;
88971
88972 @@ -201,18 +243,22 @@ struct kmem_cache *vm_area_cachep;
88973 /* SLAB cache for mm_struct structures (tsk->mm) */
88974 static struct kmem_cache *mm_cachep;
88975
88976 -static void account_kernel_stack(struct thread_info *ti, int account)
88977 +static void account_kernel_stack(struct task_struct *tsk, struct thread_info *ti, int account)
88978 {
88979 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
88980 + struct zone *zone = page_zone(virt_to_page(tsk->lowmem_stack));
88981 +#else
88982 struct zone *zone = page_zone(virt_to_page(ti));
88983 +#endif
88984
88985 mod_zone_page_state(zone, NR_KERNEL_STACK, account);
88986 }
88987
88988 void free_task(struct task_struct *tsk)
88989 {
88990 - account_kernel_stack(tsk->stack, -1);
88991 + account_kernel_stack(tsk, tsk->stack, -1);
88992 arch_release_thread_info(tsk->stack);
88993 - free_thread_info(tsk->stack);
88994 + gr_free_thread_info(tsk, tsk->stack);
88995 rt_mutex_debug_task_free(tsk);
88996 ftrace_graph_exit_task(tsk);
88997 put_seccomp_filter(tsk);
88998 @@ -306,6 +352,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
88999 {
89000 struct task_struct *tsk;
89001 struct thread_info *ti;
89002 + void *lowmem_stack;
89003 int node = tsk_fork_get_node(orig);
89004 int err;
89005
89006 @@ -313,7 +360,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
89007 if (!tsk)
89008 return NULL;
89009
89010 - ti = alloc_thread_info_node(tsk, node);
89011 + ti = gr_alloc_thread_info_node(tsk, node, &lowmem_stack);
89012 if (!ti)
89013 goto free_tsk;
89014
89015 @@ -322,6 +369,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
89016 goto free_ti;
89017
89018 tsk->stack = ti;
89019 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
89020 + tsk->lowmem_stack = lowmem_stack;
89021 +#endif
89022 #ifdef CONFIG_SECCOMP
89023 /*
89024 * We must handle setting up seccomp filters once we're under
89025 @@ -338,7 +388,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
89026 set_task_stack_end_magic(tsk);
89027
89028 #ifdef CONFIG_CC_STACKPROTECTOR
89029 - tsk->stack_canary = get_random_int();
89030 + tsk->stack_canary = pax_get_random_long();
89031 #endif
89032
89033 /*
89034 @@ -352,24 +402,92 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
89035 tsk->splice_pipe = NULL;
89036 tsk->task_frag.page = NULL;
89037
89038 - account_kernel_stack(ti, 1);
89039 + account_kernel_stack(tsk, ti, 1);
89040
89041 return tsk;
89042
89043 free_ti:
89044 - free_thread_info(ti);
89045 + gr_free_thread_info(tsk, ti);
89046 free_tsk:
89047 free_task_struct(tsk);
89048 return NULL;
89049 }
89050
89051 #ifdef CONFIG_MMU
89052 -static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
89053 +static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct mm_struct *oldmm, struct vm_area_struct *mpnt)
89054 +{
89055 + struct vm_area_struct *tmp;
89056 + unsigned long charge;
89057 + struct file *file;
89058 + int retval;
89059 +
89060 + charge = 0;
89061 + if (mpnt->vm_flags & VM_ACCOUNT) {
89062 + unsigned long len = vma_pages(mpnt);
89063 +
89064 + if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
89065 + goto fail_nomem;
89066 + charge = len;
89067 + }
89068 + tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
89069 + if (!tmp)
89070 + goto fail_nomem;
89071 + *tmp = *mpnt;
89072 + tmp->vm_mm = mm;
89073 + INIT_LIST_HEAD(&tmp->anon_vma_chain);
89074 + retval = vma_dup_policy(mpnt, tmp);
89075 + if (retval)
89076 + goto fail_nomem_policy;
89077 + if (anon_vma_fork(tmp, mpnt))
89078 + goto fail_nomem_anon_vma_fork;
89079 + tmp->vm_flags &= ~VM_LOCKED;
89080 + tmp->vm_next = tmp->vm_prev = NULL;
89081 + tmp->vm_mirror = NULL;
89082 + file = tmp->vm_file;
89083 + if (file) {
89084 + struct inode *inode = file_inode(file);
89085 + struct address_space *mapping = file->f_mapping;
89086 +
89087 + get_file(file);
89088 + if (tmp->vm_flags & VM_DENYWRITE)
89089 + atomic_dec(&inode->i_writecount);
89090 + mutex_lock(&mapping->i_mmap_mutex);
89091 + if (tmp->vm_flags & VM_SHARED)
89092 + atomic_inc(&mapping->i_mmap_writable);
89093 + flush_dcache_mmap_lock(mapping);
89094 + /* insert tmp into the share list, just after mpnt */
89095 + if (unlikely(tmp->vm_flags & VM_NONLINEAR))
89096 + vma_nonlinear_insert(tmp, &mapping->i_mmap_nonlinear);
89097 + else
89098 + vma_interval_tree_insert_after(tmp, mpnt, &mapping->i_mmap);
89099 + flush_dcache_mmap_unlock(mapping);
89100 + mutex_unlock(&mapping->i_mmap_mutex);
89101 + }
89102 +
89103 + /*
89104 + * Clear hugetlb-related page reserves for children. This only
89105 + * affects MAP_PRIVATE mappings. Faults generated by the child
89106 + * are not guaranteed to succeed, even if read-only
89107 + */
89108 + if (is_vm_hugetlb_page(tmp))
89109 + reset_vma_resv_huge_pages(tmp);
89110 +
89111 + return tmp;
89112 +
89113 +fail_nomem_anon_vma_fork:
89114 + mpol_put(vma_policy(tmp));
89115 +fail_nomem_policy:
89116 + kmem_cache_free(vm_area_cachep, tmp);
89117 +fail_nomem:
89118 + vm_unacct_memory(charge);
89119 + return NULL;
89120 +}
89121 +
89122 +static __latent_entropy int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
89123 {
89124 struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
89125 struct rb_node **rb_link, *rb_parent;
89126 int retval;
89127 - unsigned long charge;
89128
89129 uprobe_start_dup_mmap();
89130 down_write(&oldmm->mmap_sem);
89131 @@ -397,55 +515,15 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
89132
89133 prev = NULL;
89134 for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {
89135 - struct file *file;
89136 -
89137 if (mpnt->vm_flags & VM_DONTCOPY) {
89138 vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
89139 -vma_pages(mpnt));
89140 continue;
89141 }
89142 - charge = 0;
89143 - if (mpnt->vm_flags & VM_ACCOUNT) {
89144 - unsigned long len = vma_pages(mpnt);
89145 -
89146 - if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
89147 - goto fail_nomem;
89148 - charge = len;
89149 - }
89150 - tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
89151 - if (!tmp)
89152 - goto fail_nomem;
89153 - *tmp = *mpnt;
89154 - INIT_LIST_HEAD(&tmp->anon_vma_chain);
89155 - retval = vma_dup_policy(mpnt, tmp);
89156 - if (retval)
89157 - goto fail_nomem_policy;
89158 - tmp->vm_mm = mm;
89159 - if (anon_vma_fork(tmp, mpnt))
89160 - goto fail_nomem_anon_vma_fork;
89161 - tmp->vm_flags &= ~VM_LOCKED;
89162 - tmp->vm_next = tmp->vm_prev = NULL;
89163 - file = tmp->vm_file;
89164 - if (file) {
89165 - struct inode *inode = file_inode(file);
89166 - struct address_space *mapping = file->f_mapping;
89167 -
89168 - get_file(file);
89169 - if (tmp->vm_flags & VM_DENYWRITE)
89170 - atomic_dec(&inode->i_writecount);
89171 - mutex_lock(&mapping->i_mmap_mutex);
89172 - if (tmp->vm_flags & VM_SHARED)
89173 - atomic_inc(&mapping->i_mmap_writable);
89174 - flush_dcache_mmap_lock(mapping);
89175 - /* insert tmp into the share list, just after mpnt */
89176 - if (unlikely(tmp->vm_flags & VM_NONLINEAR))
89177 - vma_nonlinear_insert(tmp,
89178 - &mapping->i_mmap_nonlinear);
89179 - else
89180 - vma_interval_tree_insert_after(tmp, mpnt,
89181 - &mapping->i_mmap);
89182 - flush_dcache_mmap_unlock(mapping);
89183 - mutex_unlock(&mapping->i_mmap_mutex);
89184 + tmp = dup_vma(mm, oldmm, mpnt);
89185 + if (!tmp) {
89186 + retval = -ENOMEM;
89187 + goto out;
89188 }
89189
89190 /*
89191 @@ -477,6 +555,31 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
89192 if (retval)
89193 goto out;
89194 }
89195 +
89196 +#ifdef CONFIG_PAX_SEGMEXEC
89197 + if (oldmm->pax_flags & MF_PAX_SEGMEXEC) {
89198 + struct vm_area_struct *mpnt_m;
89199 +
89200 + for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) {
89201 + BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm);
89202 +
89203 + if (!mpnt->vm_mirror)
89204 + continue;
89205 +
89206 + if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) {
89207 + BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt);
89208 + mpnt->vm_mirror = mpnt_m;
89209 + } else {
89210 + BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm);
89211 + mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror;
89212 + mpnt_m->vm_mirror->vm_mirror = mpnt_m;
89213 + mpnt->vm_mirror->vm_mirror = mpnt;
89214 + }
89215 + }
89216 + BUG_ON(mpnt_m);
89217 + }
89218 +#endif
89219 +
89220 /* a new mm has just been created */
89221 arch_dup_mmap(oldmm, mm);
89222 retval = 0;
89223 @@ -486,14 +589,6 @@ out:
89224 up_write(&oldmm->mmap_sem);
89225 uprobe_end_dup_mmap();
89226 return retval;
89227 -fail_nomem_anon_vma_fork:
89228 - mpol_put(vma_policy(tmp));
89229 -fail_nomem_policy:
89230 - kmem_cache_free(vm_area_cachep, tmp);
89231 -fail_nomem:
89232 - retval = -ENOMEM;
89233 - vm_unacct_memory(charge);
89234 - goto out;
89235 }
89236
89237 static inline int mm_alloc_pgd(struct mm_struct *mm)
89238 @@ -734,8 +829,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
89239 return ERR_PTR(err);
89240
89241 mm = get_task_mm(task);
89242 - if (mm && mm != current->mm &&
89243 - !ptrace_may_access(task, mode)) {
89244 + if (mm && ((mm != current->mm && !ptrace_may_access(task, mode)) ||
89245 + (mode == PTRACE_MODE_ATTACH && (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task))))) {
89246 mmput(mm);
89247 mm = ERR_PTR(-EACCES);
89248 }
89249 @@ -938,13 +1033,20 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
89250 spin_unlock(&fs->lock);
89251 return -EAGAIN;
89252 }
89253 - fs->users++;
89254 + atomic_inc(&fs->users);
89255 spin_unlock(&fs->lock);
89256 return 0;
89257 }
89258 tsk->fs = copy_fs_struct(fs);
89259 if (!tsk->fs)
89260 return -ENOMEM;
89261 + /* Carry through gr_chroot_dentry and is_chrooted instead
89262 + of recomputing it here. Already copied when the task struct
89263 + is duplicated. This allows pivot_root to not be treated as
89264 + a chroot
89265 + */
89266 + //gr_set_chroot_entries(tsk, &tsk->fs->root);
89267 +
89268 return 0;
89269 }
89270
89271 @@ -1179,7 +1281,7 @@ init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid)
89272 * parts of the process environment (as per the clone
89273 * flags). The actual kick-off is left to the caller.
89274 */
89275 -static struct task_struct *copy_process(unsigned long clone_flags,
89276 +static __latent_entropy struct task_struct *copy_process(unsigned long clone_flags,
89277 unsigned long stack_start,
89278 unsigned long stack_size,
89279 int __user *child_tidptr,
89280 @@ -1250,6 +1352,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
89281 DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
89282 #endif
89283 retval = -EAGAIN;
89284 +
89285 + gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0);
89286 +
89287 if (atomic_read(&p->real_cred->user->processes) >=
89288 task_rlimit(p, RLIMIT_NPROC)) {
89289 if (p->real_cred->user != INIT_USER &&
89290 @@ -1499,6 +1604,11 @@ static struct task_struct *copy_process(unsigned long clone_flags,
89291 goto bad_fork_free_pid;
89292 }
89293
89294 + /* synchronizes with gr_set_acls()
89295 + we need to call this past the point of no return for fork()
89296 + */
89297 + gr_copy_label(p);
89298 +
89299 if (likely(p->pid)) {
89300 ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace);
89301
89302 @@ -1589,6 +1699,8 @@ bad_fork_cleanup_count:
89303 bad_fork_free:
89304 free_task(p);
89305 fork_out:
89306 + gr_log_forkfail(retval);
89307 +
89308 return ERR_PTR(retval);
89309 }
89310
89311 @@ -1650,6 +1762,7 @@ long do_fork(unsigned long clone_flags,
89312
89313 p = copy_process(clone_flags, stack_start, stack_size,
89314 child_tidptr, NULL, trace);
89315 + add_latent_entropy();
89316 /*
89317 * Do this prior waking up the new thread - the thread pointer
89318 * might get invalid after that point, if the thread exits quickly.
89319 @@ -1666,6 +1779,8 @@ long do_fork(unsigned long clone_flags,
89320 if (clone_flags & CLONE_PARENT_SETTID)
89321 put_user(nr, parent_tidptr);
89322
89323 + gr_handle_brute_check();
89324 +
89325 if (clone_flags & CLONE_VFORK) {
89326 p->vfork_done = &vfork;
89327 init_completion(&vfork);
89328 @@ -1784,7 +1899,7 @@ void __init proc_caches_init(void)
89329 mm_cachep = kmem_cache_create("mm_struct",
89330 sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
89331 SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL);
89332 - vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC);
89333 + vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC | SLAB_NO_SANITIZE);
89334 mmap_init();
89335 nsproxy_cache_init();
89336 }
89337 @@ -1824,7 +1939,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp)
89338 return 0;
89339
89340 /* don't need lock here; in the worst case we'll do useless copy */
89341 - if (fs->users == 1)
89342 + if (atomic_read(&fs->users) == 1)
89343 return 0;
89344
89345 *new_fsp = copy_fs_struct(fs);
89346 @@ -1936,7 +2051,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
89347 fs = current->fs;
89348 spin_lock(&fs->lock);
89349 current->fs = new_fs;
89350 - if (--fs->users)
89351 + gr_set_chroot_entries(current, &current->fs->root);
89352 + if (atomic_dec_return(&fs->users))
89353 new_fs = NULL;
89354 else
89355 new_fs = fs;
89356 diff --git a/kernel/futex.c b/kernel/futex.c
89357 index 63678b5..512f9af 100644
89358 --- a/kernel/futex.c
89359 +++ b/kernel/futex.c
89360 @@ -201,7 +201,7 @@ struct futex_pi_state {
89361 atomic_t refcount;
89362
89363 union futex_key key;
89364 -};
89365 +} __randomize_layout;
89366
89367 /**
89368 * struct futex_q - The hashed futex queue entry, one per waiting task
89369 @@ -235,7 +235,7 @@ struct futex_q {
89370 struct rt_mutex_waiter *rt_waiter;
89371 union futex_key *requeue_pi_key;
89372 u32 bitset;
89373 -};
89374 +} __randomize_layout;
89375
89376 static const struct futex_q futex_q_init = {
89377 /* list gets initialized in queue_me()*/
89378 @@ -402,6 +402,11 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, int rw)
89379 struct page *page, *page_head;
89380 int err, ro = 0;
89381
89382 +#ifdef CONFIG_PAX_SEGMEXEC
89383 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE)
89384 + return -EFAULT;
89385 +#endif
89386 +
89387 /*
89388 * The futex address must be "naturally" aligned.
89389 */
89390 @@ -601,7 +606,7 @@ static int cmpxchg_futex_value_locked(u32 *curval, u32 __user *uaddr,
89391
89392 static int get_futex_value_locked(u32 *dest, u32 __user *from)
89393 {
89394 - int ret;
89395 + unsigned long ret;
89396
89397 pagefault_disable();
89398 ret = __copy_from_user_inatomic(dest, from, sizeof(u32));
89399 @@ -3006,6 +3011,7 @@ static void __init futex_detect_cmpxchg(void)
89400 {
89401 #ifndef CONFIG_HAVE_FUTEX_CMPXCHG
89402 u32 curval;
89403 + mm_segment_t oldfs;
89404
89405 /*
89406 * This will fail and we want it. Some arch implementations do
89407 @@ -3017,8 +3023,11 @@ static void __init futex_detect_cmpxchg(void)
89408 * implementation, the non-functional ones will return
89409 * -ENOSYS.
89410 */
89411 + oldfs = get_fs();
89412 + set_fs(USER_DS);
89413 if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT)
89414 futex_cmpxchg_enabled = 1;
89415 + set_fs(oldfs);
89416 #endif
89417 }
89418
89419 diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
89420 index 55c8c93..9ba7ad6 100644
89421 --- a/kernel/futex_compat.c
89422 +++ b/kernel/futex_compat.c
89423 @@ -32,7 +32,7 @@ fetch_robust_entry(compat_uptr_t *uentry, struct robust_list __user **entry,
89424 return 0;
89425 }
89426
89427 -static void __user *futex_uaddr(struct robust_list __user *entry,
89428 +static void __user __intentional_overflow(-1) *futex_uaddr(struct robust_list __user *entry,
89429 compat_long_t futex_offset)
89430 {
89431 compat_uptr_t base = ptr_to_compat(entry);
89432 diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
89433 index b358a80..fc25240 100644
89434 --- a/kernel/gcov/base.c
89435 +++ b/kernel/gcov/base.c
89436 @@ -114,11 +114,6 @@ void gcov_enable_events(void)
89437 }
89438
89439 #ifdef CONFIG_MODULES
89440 -static inline int within(void *addr, void *start, unsigned long size)
89441 -{
89442 - return ((addr >= start) && (addr < start + size));
89443 -}
89444 -
89445 /* Update list and generate events when modules are unloaded. */
89446 static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
89447 void *data)
89448 @@ -133,7 +128,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
89449
89450 /* Remove entries located in module from linked list. */
89451 while ((info = gcov_info_next(info))) {
89452 - if (within(info, mod->module_core, mod->core_size)) {
89453 + if (within_module_core_rw((unsigned long)info, mod)) {
89454 gcov_info_unlink(prev, info);
89455 if (gcov_events_enabled)
89456 gcov_event(GCOV_REMOVE, info);
89457 diff --git a/kernel/jump_label.c b/kernel/jump_label.c
89458 index 9019f15..9a3c42e 100644
89459 --- a/kernel/jump_label.c
89460 +++ b/kernel/jump_label.c
89461 @@ -14,6 +14,7 @@
89462 #include <linux/err.h>
89463 #include <linux/static_key.h>
89464 #include <linux/jump_label_ratelimit.h>
89465 +#include <linux/mm.h>
89466
89467 #ifdef HAVE_JUMP_LABEL
89468
89469 @@ -51,7 +52,9 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop)
89470
89471 size = (((unsigned long)stop - (unsigned long)start)
89472 / sizeof(struct jump_entry));
89473 + pax_open_kernel();
89474 sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL);
89475 + pax_close_kernel();
89476 }
89477
89478 static void jump_label_update(struct static_key *key, int enable);
89479 @@ -363,10 +366,12 @@ static void jump_label_invalidate_module_init(struct module *mod)
89480 struct jump_entry *iter_stop = iter_start + mod->num_jump_entries;
89481 struct jump_entry *iter;
89482
89483 + pax_open_kernel();
89484 for (iter = iter_start; iter < iter_stop; iter++) {
89485 if (within_module_init(iter->code, mod))
89486 iter->code = 0;
89487 }
89488 + pax_close_kernel();
89489 }
89490
89491 static int
89492 diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
89493 index 5c5987f..bc502b0 100644
89494 --- a/kernel/kallsyms.c
89495 +++ b/kernel/kallsyms.c
89496 @@ -11,6 +11,9 @@
89497 * Changed the compression method from stem compression to "table lookup"
89498 * compression (see scripts/kallsyms.c for a more complete description)
89499 */
89500 +#ifdef CONFIG_GRKERNSEC_HIDESYM
89501 +#define __INCLUDED_BY_HIDESYM 1
89502 +#endif
89503 #include <linux/kallsyms.h>
89504 #include <linux/module.h>
89505 #include <linux/init.h>
89506 @@ -54,12 +57,33 @@ extern const unsigned long kallsyms_markers[] __weak;
89507
89508 static inline int is_kernel_inittext(unsigned long addr)
89509 {
89510 + if (system_state != SYSTEM_BOOTING)
89511 + return 0;
89512 +
89513 if (addr >= (unsigned long)_sinittext
89514 && addr <= (unsigned long)_einittext)
89515 return 1;
89516 return 0;
89517 }
89518
89519 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
89520 +#ifdef CONFIG_MODULES
89521 +static inline int is_module_text(unsigned long addr)
89522 +{
89523 + if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END)
89524 + return 1;
89525 +
89526 + addr = ktla_ktva(addr);
89527 + return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END;
89528 +}
89529 +#else
89530 +static inline int is_module_text(unsigned long addr)
89531 +{
89532 + return 0;
89533 +}
89534 +#endif
89535 +#endif
89536 +
89537 static inline int is_kernel_text(unsigned long addr)
89538 {
89539 if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) ||
89540 @@ -70,13 +94,28 @@ static inline int is_kernel_text(unsigned long addr)
89541
89542 static inline int is_kernel(unsigned long addr)
89543 {
89544 +
89545 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
89546 + if (is_kernel_text(addr) || is_kernel_inittext(addr))
89547 + return 1;
89548 +
89549 + if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end)
89550 +#else
89551 if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
89552 +#endif
89553 +
89554 return 1;
89555 return in_gate_area_no_mm(addr);
89556 }
89557
89558 static int is_ksym_addr(unsigned long addr)
89559 {
89560 +
89561 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
89562 + if (is_module_text(addr))
89563 + return 0;
89564 +#endif
89565 +
89566 if (all_var)
89567 return is_kernel(addr);
89568
89569 @@ -481,7 +520,6 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter)
89570
89571 static void reset_iter(struct kallsym_iter *iter, loff_t new_pos)
89572 {
89573 - iter->name[0] = '\0';
89574 iter->nameoff = get_symbol_offset(new_pos);
89575 iter->pos = new_pos;
89576 }
89577 @@ -529,6 +567,11 @@ static int s_show(struct seq_file *m, void *p)
89578 {
89579 struct kallsym_iter *iter = m->private;
89580
89581 +#ifdef CONFIG_GRKERNSEC_HIDESYM
89582 + if (!uid_eq(current_uid(), GLOBAL_ROOT_UID))
89583 + return 0;
89584 +#endif
89585 +
89586 /* Some debugging symbols have no name. Ignore them. */
89587 if (!iter->name[0])
89588 return 0;
89589 @@ -542,6 +585,7 @@ static int s_show(struct seq_file *m, void *p)
89590 */
89591 type = iter->exported ? toupper(iter->type) :
89592 tolower(iter->type);
89593 +
89594 seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value,
89595 type, iter->name, iter->module_name);
89596 } else
89597 diff --git a/kernel/kcmp.c b/kernel/kcmp.c
89598 index 0aa69ea..a7fcafb 100644
89599 --- a/kernel/kcmp.c
89600 +++ b/kernel/kcmp.c
89601 @@ -100,6 +100,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
89602 struct task_struct *task1, *task2;
89603 int ret;
89604
89605 +#ifdef CONFIG_GRKERNSEC
89606 + return -ENOSYS;
89607 +#endif
89608 +
89609 rcu_read_lock();
89610
89611 /*
89612 diff --git a/kernel/kexec.c b/kernel/kexec.c
89613 index 2abf9f6..c40cf85 100644
89614 --- a/kernel/kexec.c
89615 +++ b/kernel/kexec.c
89616 @@ -1349,7 +1349,8 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry,
89617 compat_ulong_t, flags)
89618 {
89619 struct compat_kexec_segment in;
89620 - struct kexec_segment out, __user *ksegments;
89621 + struct kexec_segment out;
89622 + struct kexec_segment __user *ksegments;
89623 unsigned long i, result;
89624
89625 /* Don't allow clients that don't understand the native
89626 diff --git a/kernel/kmod.c b/kernel/kmod.c
89627 index 80f7a6d..3c476d3 100644
89628 --- a/kernel/kmod.c
89629 +++ b/kernel/kmod.c
89630 @@ -75,7 +75,7 @@ static void free_modprobe_argv(struct subprocess_info *info)
89631 kfree(info->argv);
89632 }
89633
89634 -static int call_modprobe(char *module_name, int wait)
89635 +static int call_modprobe(char *module_name, char *module_param, int wait)
89636 {
89637 struct subprocess_info *info;
89638 static char *envp[] = {
89639 @@ -85,7 +85,7 @@ static int call_modprobe(char *module_name, int wait)
89640 NULL
89641 };
89642
89643 - char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL);
89644 + char **argv = kmalloc(sizeof(char *[6]), GFP_KERNEL);
89645 if (!argv)
89646 goto out;
89647
89648 @@ -97,7 +97,8 @@ static int call_modprobe(char *module_name, int wait)
89649 argv[1] = "-q";
89650 argv[2] = "--";
89651 argv[3] = module_name; /* check free_modprobe_argv() */
89652 - argv[4] = NULL;
89653 + argv[4] = module_param;
89654 + argv[5] = NULL;
89655
89656 info = call_usermodehelper_setup(modprobe_path, argv, envp, GFP_KERNEL,
89657 NULL, free_modprobe_argv, NULL);
89658 @@ -129,9 +130,8 @@ out:
89659 * If module auto-loading support is disabled then this function
89660 * becomes a no-operation.
89661 */
89662 -int __request_module(bool wait, const char *fmt, ...)
89663 +static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap)
89664 {
89665 - va_list args;
89666 char module_name[MODULE_NAME_LEN];
89667 unsigned int max_modprobes;
89668 int ret;
89669 @@ -150,9 +150,7 @@ int __request_module(bool wait, const char *fmt, ...)
89670 if (!modprobe_path[0])
89671 return 0;
89672
89673 - va_start(args, fmt);
89674 - ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args);
89675 - va_end(args);
89676 + ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap);
89677 if (ret >= MODULE_NAME_LEN)
89678 return -ENAMETOOLONG;
89679
89680 @@ -160,6 +158,20 @@ int __request_module(bool wait, const char *fmt, ...)
89681 if (ret)
89682 return ret;
89683
89684 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
89685 + if (uid_eq(current_uid(), GLOBAL_ROOT_UID)) {
89686 + /* hack to workaround consolekit/udisks stupidity */
89687 + read_lock(&tasklist_lock);
89688 + if (!strcmp(current->comm, "mount") &&
89689 + current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) {
89690 + read_unlock(&tasklist_lock);
89691 + printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name);
89692 + return -EPERM;
89693 + }
89694 + read_unlock(&tasklist_lock);
89695 + }
89696 +#endif
89697 +
89698 /* If modprobe needs a service that is in a module, we get a recursive
89699 * loop. Limit the number of running kmod threads to max_threads/2 or
89700 * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method
89701 @@ -188,16 +200,61 @@ int __request_module(bool wait, const char *fmt, ...)
89702
89703 trace_module_request(module_name, wait, _RET_IP_);
89704
89705 - ret = call_modprobe(module_name, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
89706 + ret = call_modprobe(module_name, module_param, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC);
89707
89708 atomic_dec(&kmod_concurrent);
89709 return ret;
89710 }
89711 +
89712 +int ___request_module(bool wait, char *module_param, const char *fmt, ...)
89713 +{
89714 + va_list args;
89715 + int ret;
89716 +
89717 + va_start(args, fmt);
89718 + ret = ____request_module(wait, module_param, fmt, args);
89719 + va_end(args);
89720 +
89721 + return ret;
89722 +}
89723 +
89724 +int __request_module(bool wait, const char *fmt, ...)
89725 +{
89726 + va_list args;
89727 + int ret;
89728 +
89729 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
89730 + if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)) {
89731 + char module_param[MODULE_NAME_LEN];
89732 +
89733 + memset(module_param, 0, sizeof(module_param));
89734 +
89735 + snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", GR_GLOBAL_UID(current_uid()));
89736 +
89737 + va_start(args, fmt);
89738 + ret = ____request_module(wait, module_param, fmt, args);
89739 + va_end(args);
89740 +
89741 + return ret;
89742 + }
89743 +#endif
89744 +
89745 + va_start(args, fmt);
89746 + ret = ____request_module(wait, NULL, fmt, args);
89747 + va_end(args);
89748 +
89749 + return ret;
89750 +}
89751 +
89752 EXPORT_SYMBOL(__request_module);
89753 #endif /* CONFIG_MODULES */
89754
89755 static void call_usermodehelper_freeinfo(struct subprocess_info *info)
89756 {
89757 +#ifdef CONFIG_GRKERNSEC
89758 + kfree(info->path);
89759 + info->path = info->origpath;
89760 +#endif
89761 if (info->cleanup)
89762 (*info->cleanup)(info);
89763 kfree(info);
89764 @@ -240,6 +297,20 @@ static int ____call_usermodehelper(void *data)
89765 */
89766 set_user_nice(current, 0);
89767
89768 +#ifdef CONFIG_GRKERNSEC
89769 + /* this is race-free as far as userland is concerned as we copied
89770 + out the path to be used prior to this point and are now operating
89771 + on that copy
89772 + */
89773 + if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/usr/lib/", 9) &&
89774 + strncmp(sub_info->path, "/lib/", 5) && strncmp(sub_info->path, "/lib64/", 7) &&
89775 + strcmp(sub_info->path, "/usr/share/apport/apport")) || strstr(sub_info->path, "..")) {
89776 + printk(KERN_ALERT "grsec: denied exec of usermode helper binary %.950s located outside of /sbin and system library paths\n", sub_info->path);
89777 + retval = -EPERM;
89778 + goto out;
89779 + }
89780 +#endif
89781 +
89782 retval = -ENOMEM;
89783 new = prepare_kernel_cred(current);
89784 if (!new)
89785 @@ -262,8 +333,8 @@ static int ____call_usermodehelper(void *data)
89786 commit_creds(new);
89787
89788 retval = do_execve(getname_kernel(sub_info->path),
89789 - (const char __user *const __user *)sub_info->argv,
89790 - (const char __user *const __user *)sub_info->envp);
89791 + (const char __user *const __force_user *)sub_info->argv,
89792 + (const char __user *const __force_user *)sub_info->envp);
89793 out:
89794 sub_info->retval = retval;
89795 /* wait_for_helper() will call umh_complete if UHM_WAIT_PROC. */
89796 @@ -303,7 +374,7 @@ static int wait_for_helper(void *data)
89797 *
89798 * Thus the __user pointer cast is valid here.
89799 */
89800 - sys_wait4(pid, (int __user *)&ret, 0, NULL);
89801 + sys_wait4(pid, (int __force_user *)&ret, 0, NULL);
89802
89803 /*
89804 * If ret is 0, either ____call_usermodehelper failed and the
89805 @@ -532,7 +603,12 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
89806 goto out;
89807
89808 INIT_WORK(&sub_info->work, __call_usermodehelper);
89809 +#ifdef CONFIG_GRKERNSEC
89810 + sub_info->origpath = path;
89811 + sub_info->path = kstrdup(path, gfp_mask);
89812 +#else
89813 sub_info->path = path;
89814 +#endif
89815 sub_info->argv = argv;
89816 sub_info->envp = envp;
89817
89818 @@ -645,7 +721,7 @@ EXPORT_SYMBOL(call_usermodehelper);
89819 static int proc_cap_handler(struct ctl_table *table, int write,
89820 void __user *buffer, size_t *lenp, loff_t *ppos)
89821 {
89822 - struct ctl_table t;
89823 + ctl_table_no_const t;
89824 unsigned long cap_array[_KERNEL_CAPABILITY_U32S];
89825 kernel_cap_t new_cap;
89826 int err, i;
89827 diff --git a/kernel/kprobes.c b/kernel/kprobes.c
89828 index 3995f54..e247879 100644
89829 --- a/kernel/kprobes.c
89830 +++ b/kernel/kprobes.c
89831 @@ -31,6 +31,9 @@
89832 * <jkenisto@us.ibm.com> and Prasanna S Panchamukhi
89833 * <prasanna@in.ibm.com> added function-return probes.
89834 */
89835 +#ifdef CONFIG_GRKERNSEC_HIDESYM
89836 +#define __INCLUDED_BY_HIDESYM 1
89837 +#endif
89838 #include <linux/kprobes.h>
89839 #include <linux/hash.h>
89840 #include <linux/init.h>
89841 @@ -122,12 +125,12 @@ enum kprobe_slot_state {
89842
89843 static void *alloc_insn_page(void)
89844 {
89845 - return module_alloc(PAGE_SIZE);
89846 + return module_alloc_exec(PAGE_SIZE);
89847 }
89848
89849 static void free_insn_page(void *page)
89850 {
89851 - module_free(NULL, page);
89852 + module_free_exec(NULL, page);
89853 }
89854
89855 struct kprobe_insn_cache kprobe_insn_slots = {
89856 @@ -2187,11 +2190,11 @@ static void report_probe(struct seq_file *pi, struct kprobe *p,
89857 kprobe_type = "k";
89858
89859 if (sym)
89860 - seq_printf(pi, "%p %s %s+0x%x %s ",
89861 + seq_printf(pi, "%pK %s %s+0x%x %s ",
89862 p->addr, kprobe_type, sym, offset,
89863 (modname ? modname : " "));
89864 else
89865 - seq_printf(pi, "%p %s %p ",
89866 + seq_printf(pi, "%pK %s %pK ",
89867 p->addr, kprobe_type, p->addr);
89868
89869 if (!pp)
89870 diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
89871 index 6683cce..daf8999 100644
89872 --- a/kernel/ksysfs.c
89873 +++ b/kernel/ksysfs.c
89874 @@ -50,6 +50,8 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
89875 {
89876 if (count+1 > UEVENT_HELPER_PATH_LEN)
89877 return -ENOENT;
89878 + if (!capable(CAP_SYS_ADMIN))
89879 + return -EPERM;
89880 memcpy(uevent_helper, buf, count);
89881 uevent_helper[count] = '\0';
89882 if (count && uevent_helper[count-1] == '\n')
89883 @@ -176,7 +178,7 @@ static ssize_t notes_read(struct file *filp, struct kobject *kobj,
89884 return count;
89885 }
89886
89887 -static struct bin_attribute notes_attr = {
89888 +static bin_attribute_no_const notes_attr __read_only = {
89889 .attr = {
89890 .name = "notes",
89891 .mode = S_IRUGO,
89892 diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
89893 index 88d0d44..e9ce0ee 100644
89894 --- a/kernel/locking/lockdep.c
89895 +++ b/kernel/locking/lockdep.c
89896 @@ -599,6 +599,10 @@ static int static_obj(void *obj)
89897 end = (unsigned long) &_end,
89898 addr = (unsigned long) obj;
89899
89900 +#ifdef CONFIG_PAX_KERNEXEC
89901 + start = ktla_ktva(start);
89902 +#endif
89903 +
89904 /*
89905 * static variable?
89906 */
89907 @@ -740,6 +744,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
89908 if (!static_obj(lock->key)) {
89909 debug_locks_off();
89910 printk("INFO: trying to register non-static key.\n");
89911 + printk("lock:%pS key:%pS.\n", lock, lock->key);
89912 printk("the code is fine but needs lockdep annotation.\n");
89913 printk("turning off the locking correctness validator.\n");
89914 dump_stack();
89915 @@ -3081,7 +3086,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
89916 if (!class)
89917 return 0;
89918 }
89919 - atomic_inc((atomic_t *)&class->ops);
89920 + atomic_long_inc_unchecked((atomic_long_unchecked_t *)&class->ops);
89921 if (very_verbose(class)) {
89922 printk("\nacquire class [%p] %s", class->key, class->name);
89923 if (class->name_version > 1)
89924 diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c
89925 index ef43ac4..2720dfa 100644
89926 --- a/kernel/locking/lockdep_proc.c
89927 +++ b/kernel/locking/lockdep_proc.c
89928 @@ -65,7 +65,7 @@ static int l_show(struct seq_file *m, void *v)
89929 return 0;
89930 }
89931
89932 - seq_printf(m, "%p", class->key);
89933 + seq_printf(m, "%pK", class->key);
89934 #ifdef CONFIG_DEBUG_LOCKDEP
89935 seq_printf(m, " OPS:%8ld", class->ops);
89936 #endif
89937 @@ -83,7 +83,7 @@ static int l_show(struct seq_file *m, void *v)
89938
89939 list_for_each_entry(entry, &class->locks_after, entry) {
89940 if (entry->distance == 1) {
89941 - seq_printf(m, " -> [%p] ", entry->class->key);
89942 + seq_printf(m, " -> [%pK] ", entry->class->key);
89943 print_name(m, entry->class);
89944 seq_puts(m, "\n");
89945 }
89946 @@ -152,7 +152,7 @@ static int lc_show(struct seq_file *m, void *v)
89947 if (!class->key)
89948 continue;
89949
89950 - seq_printf(m, "[%p] ", class->key);
89951 + seq_printf(m, "[%pK] ", class->key);
89952 print_name(m, class);
89953 seq_puts(m, "\n");
89954 }
89955 @@ -496,7 +496,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
89956 if (!i)
89957 seq_line(m, '-', 40-namelen, namelen);
89958
89959 - snprintf(ip, sizeof(ip), "[<%p>]",
89960 + snprintf(ip, sizeof(ip), "[<%pK>]",
89961 (void *)class->contention_point[i]);
89962 seq_printf(m, "%40s %14lu %29s %pS\n",
89963 name, stats->contention_point[i],
89964 @@ -511,7 +511,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
89965 if (!i)
89966 seq_line(m, '-', 40-namelen, namelen);
89967
89968 - snprintf(ip, sizeof(ip), "[<%p>]",
89969 + snprintf(ip, sizeof(ip), "[<%pK>]",
89970 (void *)class->contending_point[i]);
89971 seq_printf(m, "%40s %14lu %29s %pS\n",
89972 name, stats->contending_point[i],
89973 diff --git a/kernel/locking/mcs_spinlock.c b/kernel/locking/mcs_spinlock.c
89974 index 9887a90..0cd2b1d 100644
89975 --- a/kernel/locking/mcs_spinlock.c
89976 +++ b/kernel/locking/mcs_spinlock.c
89977 @@ -100,7 +100,7 @@ bool osq_lock(struct optimistic_spin_queue *lock)
89978
89979 prev = decode_cpu(old);
89980 node->prev = prev;
89981 - ACCESS_ONCE(prev->next) = node;
89982 + ACCESS_ONCE_RW(prev->next) = node;
89983
89984 /*
89985 * Normally @prev is untouchable after the above store; because at that
89986 @@ -172,8 +172,8 @@ unqueue:
89987 * it will wait in Step-A.
89988 */
89989
89990 - ACCESS_ONCE(next->prev) = prev;
89991 - ACCESS_ONCE(prev->next) = next;
89992 + ACCESS_ONCE_RW(next->prev) = prev;
89993 + ACCESS_ONCE_RW(prev->next) = next;
89994
89995 return false;
89996 }
89997 @@ -195,13 +195,13 @@ void osq_unlock(struct optimistic_spin_queue *lock)
89998 node = this_cpu_ptr(&osq_node);
89999 next = xchg(&node->next, NULL);
90000 if (next) {
90001 - ACCESS_ONCE(next->locked) = 1;
90002 + ACCESS_ONCE_RW(next->locked) = 1;
90003 return;
90004 }
90005
90006 next = osq_wait_next(lock, node, NULL);
90007 if (next)
90008 - ACCESS_ONCE(next->locked) = 1;
90009 + ACCESS_ONCE_RW(next->locked) = 1;
90010 }
90011
90012 #endif
90013 diff --git a/kernel/locking/mcs_spinlock.h b/kernel/locking/mcs_spinlock.h
90014 index 4d60986..5d351c1 100644
90015 --- a/kernel/locking/mcs_spinlock.h
90016 +++ b/kernel/locking/mcs_spinlock.h
90017 @@ -78,7 +78,7 @@ void mcs_spin_lock(struct mcs_spinlock **lock, struct mcs_spinlock *node)
90018 */
90019 return;
90020 }
90021 - ACCESS_ONCE(prev->next) = node;
90022 + ACCESS_ONCE_RW(prev->next) = node;
90023
90024 /* Wait until the lock holder passes the lock down. */
90025 arch_mcs_spin_lock_contended(&node->locked);
90026 diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c
90027 index 5cf6731..ce3bc5a 100644
90028 --- a/kernel/locking/mutex-debug.c
90029 +++ b/kernel/locking/mutex-debug.c
90030 @@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter)
90031 }
90032
90033 void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
90034 - struct thread_info *ti)
90035 + struct task_struct *task)
90036 {
90037 SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock));
90038
90039 /* Mark the current thread as blocked on the lock: */
90040 - ti->task->blocked_on = waiter;
90041 + task->blocked_on = waiter;
90042 }
90043
90044 void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
90045 - struct thread_info *ti)
90046 + struct task_struct *task)
90047 {
90048 DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list));
90049 - DEBUG_LOCKS_WARN_ON(waiter->task != ti->task);
90050 - DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter);
90051 - ti->task->blocked_on = NULL;
90052 + DEBUG_LOCKS_WARN_ON(waiter->task != task);
90053 + DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter);
90054 + task->blocked_on = NULL;
90055
90056 list_del_init(&waiter->list);
90057 waiter->task = NULL;
90058 diff --git a/kernel/locking/mutex-debug.h b/kernel/locking/mutex-debug.h
90059 index 0799fd3..d06ae3b 100644
90060 --- a/kernel/locking/mutex-debug.h
90061 +++ b/kernel/locking/mutex-debug.h
90062 @@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock,
90063 extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
90064 extern void debug_mutex_add_waiter(struct mutex *lock,
90065 struct mutex_waiter *waiter,
90066 - struct thread_info *ti);
90067 + struct task_struct *task);
90068 extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
90069 - struct thread_info *ti);
90070 + struct task_struct *task);
90071 extern void debug_mutex_unlock(struct mutex *lock);
90072 extern void debug_mutex_init(struct mutex *lock, const char *name,
90073 struct lock_class_key *key);
90074 diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
90075 index dadbf88..4500507 100644
90076 --- a/kernel/locking/mutex.c
90077 +++ b/kernel/locking/mutex.c
90078 @@ -518,7 +518,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
90079 goto skip_wait;
90080
90081 debug_mutex_lock_common(lock, &waiter);
90082 - debug_mutex_add_waiter(lock, &waiter, task_thread_info(task));
90083 + debug_mutex_add_waiter(lock, &waiter, task);
90084
90085 /* add waiting tasks to the end of the waitqueue (FIFO): */
90086 list_add_tail(&waiter.list, &lock->wait_list);
90087 @@ -563,7 +563,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
90088 schedule_preempt_disabled();
90089 spin_lock_mutex(&lock->wait_lock, flags);
90090 }
90091 - mutex_remove_waiter(lock, &waiter, current_thread_info());
90092 + mutex_remove_waiter(lock, &waiter, task);
90093 /* set it to 0 if there are no waiters left: */
90094 if (likely(list_empty(&lock->wait_list)))
90095 atomic_set(&lock->count, 0);
90096 @@ -600,7 +600,7 @@ skip_wait:
90097 return 0;
90098
90099 err:
90100 - mutex_remove_waiter(lock, &waiter, task_thread_info(task));
90101 + mutex_remove_waiter(lock, &waiter, task);
90102 spin_unlock_mutex(&lock->wait_lock, flags);
90103 debug_mutex_free_waiter(&waiter);
90104 mutex_release(&lock->dep_map, 1, ip);
90105 diff --git a/kernel/locking/rtmutex-tester.c b/kernel/locking/rtmutex-tester.c
90106 index 1d96dd0..994ff19 100644
90107 --- a/kernel/locking/rtmutex-tester.c
90108 +++ b/kernel/locking/rtmutex-tester.c
90109 @@ -22,7 +22,7 @@
90110 #define MAX_RT_TEST_MUTEXES 8
90111
90112 static spinlock_t rttest_lock;
90113 -static atomic_t rttest_event;
90114 +static atomic_unchecked_t rttest_event;
90115
90116 struct test_thread_data {
90117 int opcode;
90118 @@ -63,7 +63,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
90119
90120 case RTTEST_LOCKCONT:
90121 td->mutexes[td->opdata] = 1;
90122 - td->event = atomic_add_return(1, &rttest_event);
90123 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90124 return 0;
90125
90126 case RTTEST_RESET:
90127 @@ -76,7 +76,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
90128 return 0;
90129
90130 case RTTEST_RESETEVENT:
90131 - atomic_set(&rttest_event, 0);
90132 + atomic_set_unchecked(&rttest_event, 0);
90133 return 0;
90134
90135 default:
90136 @@ -93,9 +93,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
90137 return ret;
90138
90139 td->mutexes[id] = 1;
90140 - td->event = atomic_add_return(1, &rttest_event);
90141 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90142 rt_mutex_lock(&mutexes[id]);
90143 - td->event = atomic_add_return(1, &rttest_event);
90144 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90145 td->mutexes[id] = 4;
90146 return 0;
90147
90148 @@ -106,9 +106,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
90149 return ret;
90150
90151 td->mutexes[id] = 1;
90152 - td->event = atomic_add_return(1, &rttest_event);
90153 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90154 ret = rt_mutex_lock_interruptible(&mutexes[id], 0);
90155 - td->event = atomic_add_return(1, &rttest_event);
90156 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90157 td->mutexes[id] = ret ? 0 : 4;
90158 return ret ? -EINTR : 0;
90159
90160 @@ -117,9 +117,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
90161 if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4)
90162 return ret;
90163
90164 - td->event = atomic_add_return(1, &rttest_event);
90165 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90166 rt_mutex_unlock(&mutexes[id]);
90167 - td->event = atomic_add_return(1, &rttest_event);
90168 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90169 td->mutexes[id] = 0;
90170 return 0;
90171
90172 @@ -166,7 +166,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
90173 break;
90174
90175 td->mutexes[dat] = 2;
90176 - td->event = atomic_add_return(1, &rttest_event);
90177 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90178 break;
90179
90180 default:
90181 @@ -186,7 +186,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
90182 return;
90183
90184 td->mutexes[dat] = 3;
90185 - td->event = atomic_add_return(1, &rttest_event);
90186 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90187 break;
90188
90189 case RTTEST_LOCKNOWAIT:
90190 @@ -198,7 +198,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex)
90191 return;
90192
90193 td->mutexes[dat] = 1;
90194 - td->event = atomic_add_return(1, &rttest_event);
90195 + td->event = atomic_add_return_unchecked(1, &rttest_event);
90196 return;
90197
90198 default:
90199 diff --git a/kernel/module.c b/kernel/module.c
90200 index 88cec1d..d097c28 100644
90201 --- a/kernel/module.c
90202 +++ b/kernel/module.c
90203 @@ -60,6 +60,7 @@
90204 #include <linux/jump_label.h>
90205 #include <linux/pfn.h>
90206 #include <linux/bsearch.h>
90207 +#include <linux/grsecurity.h>
90208 #include <uapi/linux/module.h>
90209 #include "module-internal.h"
90210
90211 @@ -156,7 +157,8 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list);
90212
90213 /* Bounds of module allocation, for speeding __module_address.
90214 * Protected by module_mutex. */
90215 -static unsigned long module_addr_min = -1UL, module_addr_max = 0;
90216 +static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0;
90217 +static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0;
90218
90219 int register_module_notifier(struct notifier_block * nb)
90220 {
90221 @@ -323,7 +325,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
90222 return true;
90223
90224 list_for_each_entry_rcu(mod, &modules, list) {
90225 - struct symsearch arr[] = {
90226 + struct symsearch modarr[] = {
90227 { mod->syms, mod->syms + mod->num_syms, mod->crcs,
90228 NOT_GPL_ONLY, false },
90229 { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms,
90230 @@ -348,7 +350,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
90231 if (mod->state == MODULE_STATE_UNFORMED)
90232 continue;
90233
90234 - if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data))
90235 + if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data))
90236 return true;
90237 }
90238 return false;
90239 @@ -488,7 +490,7 @@ static int percpu_modalloc(struct module *mod, struct load_info *info)
90240 if (!pcpusec->sh_size)
90241 return 0;
90242
90243 - if (align > PAGE_SIZE) {
90244 + if (align-1 >= PAGE_SIZE) {
90245 pr_warn("%s: per-cpu alignment %li > %li\n",
90246 mod->name, align, PAGE_SIZE);
90247 align = PAGE_SIZE;
90248 @@ -1060,7 +1062,7 @@ struct module_attribute module_uevent =
90249 static ssize_t show_coresize(struct module_attribute *mattr,
90250 struct module_kobject *mk, char *buffer)
90251 {
90252 - return sprintf(buffer, "%u\n", mk->mod->core_size);
90253 + return sprintf(buffer, "%u\n", mk->mod->core_size_rx + mk->mod->core_size_rw);
90254 }
90255
90256 static struct module_attribute modinfo_coresize =
90257 @@ -1069,7 +1071,7 @@ static struct module_attribute modinfo_coresize =
90258 static ssize_t show_initsize(struct module_attribute *mattr,
90259 struct module_kobject *mk, char *buffer)
90260 {
90261 - return sprintf(buffer, "%u\n", mk->mod->init_size);
90262 + return sprintf(buffer, "%u\n", mk->mod->init_size_rx + mk->mod->init_size_rw);
90263 }
90264
90265 static struct module_attribute modinfo_initsize =
90266 @@ -1161,12 +1163,29 @@ static int check_version(Elf_Shdr *sechdrs,
90267 goto bad_version;
90268 }
90269
90270 +#ifdef CONFIG_GRKERNSEC_RANDSTRUCT
90271 + /*
90272 + * avoid potentially printing jibberish on attempted load
90273 + * of a module randomized with a different seed
90274 + */
90275 + pr_warn("no symbol version for %s\n", symname);
90276 +#else
90277 pr_warn("%s: no symbol version for %s\n", mod->name, symname);
90278 +#endif
90279 return 0;
90280
90281 bad_version:
90282 +#ifdef CONFIG_GRKERNSEC_RANDSTRUCT
90283 + /*
90284 + * avoid potentially printing jibberish on attempted load
90285 + * of a module randomized with a different seed
90286 + */
90287 + printk("attempted module disagrees about version of symbol %s\n",
90288 + symname);
90289 +#else
90290 printk("%s: disagrees about version of symbol %s\n",
90291 mod->name, symname);
90292 +#endif
90293 return 0;
90294 }
90295
90296 @@ -1282,7 +1301,7 @@ resolve_symbol_wait(struct module *mod,
90297 */
90298 #ifdef CONFIG_SYSFS
90299
90300 -#ifdef CONFIG_KALLSYMS
90301 +#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM)
90302 static inline bool sect_empty(const Elf_Shdr *sect)
90303 {
90304 return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0;
90305 @@ -1422,7 +1441,7 @@ static void add_notes_attrs(struct module *mod, const struct load_info *info)
90306 {
90307 unsigned int notes, loaded, i;
90308 struct module_notes_attrs *notes_attrs;
90309 - struct bin_attribute *nattr;
90310 + bin_attribute_no_const *nattr;
90311
90312 /* failed to create section attributes, so can't create notes */
90313 if (!mod->sect_attrs)
90314 @@ -1534,7 +1553,7 @@ static void del_usage_links(struct module *mod)
90315 static int module_add_modinfo_attrs(struct module *mod)
90316 {
90317 struct module_attribute *attr;
90318 - struct module_attribute *temp_attr;
90319 + module_attribute_no_const *temp_attr;
90320 int error = 0;
90321 int i;
90322
90323 @@ -1755,21 +1774,21 @@ static void set_section_ro_nx(void *base,
90324
90325 static void unset_module_core_ro_nx(struct module *mod)
90326 {
90327 - set_page_attributes(mod->module_core + mod->core_text_size,
90328 - mod->module_core + mod->core_size,
90329 + set_page_attributes(mod->module_core_rw,
90330 + mod->module_core_rw + mod->core_size_rw,
90331 set_memory_x);
90332 - set_page_attributes(mod->module_core,
90333 - mod->module_core + mod->core_ro_size,
90334 + set_page_attributes(mod->module_core_rx,
90335 + mod->module_core_rx + mod->core_size_rx,
90336 set_memory_rw);
90337 }
90338
90339 static void unset_module_init_ro_nx(struct module *mod)
90340 {
90341 - set_page_attributes(mod->module_init + mod->init_text_size,
90342 - mod->module_init + mod->init_size,
90343 + set_page_attributes(mod->module_init_rw,
90344 + mod->module_init_rw + mod->init_size_rw,
90345 set_memory_x);
90346 - set_page_attributes(mod->module_init,
90347 - mod->module_init + mod->init_ro_size,
90348 + set_page_attributes(mod->module_init_rx,
90349 + mod->module_init_rx + mod->init_size_rx,
90350 set_memory_rw);
90351 }
90352
90353 @@ -1782,14 +1801,14 @@ void set_all_modules_text_rw(void)
90354 list_for_each_entry_rcu(mod, &modules, list) {
90355 if (mod->state == MODULE_STATE_UNFORMED)
90356 continue;
90357 - if ((mod->module_core) && (mod->core_text_size)) {
90358 - set_page_attributes(mod->module_core,
90359 - mod->module_core + mod->core_text_size,
90360 + if ((mod->module_core_rx) && (mod->core_size_rx)) {
90361 + set_page_attributes(mod->module_core_rx,
90362 + mod->module_core_rx + mod->core_size_rx,
90363 set_memory_rw);
90364 }
90365 - if ((mod->module_init) && (mod->init_text_size)) {
90366 - set_page_attributes(mod->module_init,
90367 - mod->module_init + mod->init_text_size,
90368 + if ((mod->module_init_rx) && (mod->init_size_rx)) {
90369 + set_page_attributes(mod->module_init_rx,
90370 + mod->module_init_rx + mod->init_size_rx,
90371 set_memory_rw);
90372 }
90373 }
90374 @@ -1805,14 +1824,14 @@ void set_all_modules_text_ro(void)
90375 list_for_each_entry_rcu(mod, &modules, list) {
90376 if (mod->state == MODULE_STATE_UNFORMED)
90377 continue;
90378 - if ((mod->module_core) && (mod->core_text_size)) {
90379 - set_page_attributes(mod->module_core,
90380 - mod->module_core + mod->core_text_size,
90381 + if ((mod->module_core_rx) && (mod->core_size_rx)) {
90382 + set_page_attributes(mod->module_core_rx,
90383 + mod->module_core_rx + mod->core_size_rx,
90384 set_memory_ro);
90385 }
90386 - if ((mod->module_init) && (mod->init_text_size)) {
90387 - set_page_attributes(mod->module_init,
90388 - mod->module_init + mod->init_text_size,
90389 + if ((mod->module_init_rx) && (mod->init_size_rx)) {
90390 + set_page_attributes(mod->module_init_rx,
90391 + mod->module_init_rx + mod->init_size_rx,
90392 set_memory_ro);
90393 }
90394 }
90395 @@ -1865,16 +1884,19 @@ static void free_module(struct module *mod)
90396
90397 /* This may be NULL, but that's OK */
90398 unset_module_init_ro_nx(mod);
90399 - module_free(mod, mod->module_init);
90400 + module_free(mod, mod->module_init_rw);
90401 + module_free_exec(mod, mod->module_init_rx);
90402 kfree(mod->args);
90403 percpu_modfree(mod);
90404
90405 /* Free lock-classes: */
90406 - lockdep_free_key_range(mod->module_core, mod->core_size);
90407 + lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx);
90408 + lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw);
90409
90410 /* Finally, free the core (containing the module structure) */
90411 unset_module_core_ro_nx(mod);
90412 - module_free(mod, mod->module_core);
90413 + module_free_exec(mod, mod->module_core_rx);
90414 + module_free(mod, mod->module_core_rw);
90415
90416 #ifdef CONFIG_MPU
90417 update_protections(current->mm);
90418 @@ -1943,9 +1965,31 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
90419 int ret = 0;
90420 const struct kernel_symbol *ksym;
90421
90422 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
90423 + int is_fs_load = 0;
90424 + int register_filesystem_found = 0;
90425 + char *p;
90426 +
90427 + p = strstr(mod->args, "grsec_modharden_fs");
90428 + if (p) {
90429 + char *endptr = p + sizeof("grsec_modharden_fs") - 1;
90430 + /* copy \0 as well */
90431 + memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1);
90432 + is_fs_load = 1;
90433 + }
90434 +#endif
90435 +
90436 for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) {
90437 const char *name = info->strtab + sym[i].st_name;
90438
90439 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
90440 + /* it's a real shame this will never get ripped and copied
90441 + upstream! ;(
90442 + */
90443 + if (is_fs_load && !strcmp(name, "register_filesystem"))
90444 + register_filesystem_found = 1;
90445 +#endif
90446 +
90447 switch (sym[i].st_shndx) {
90448 case SHN_COMMON:
90449 /* Ignore common symbols */
90450 @@ -1970,7 +2014,9 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
90451 ksym = resolve_symbol_wait(mod, info, name);
90452 /* Ok if resolved. */
90453 if (ksym && !IS_ERR(ksym)) {
90454 + pax_open_kernel();
90455 sym[i].st_value = ksym->value;
90456 + pax_close_kernel();
90457 break;
90458 }
90459
90460 @@ -1989,11 +2035,20 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
90461 secbase = (unsigned long)mod_percpu(mod);
90462 else
90463 secbase = info->sechdrs[sym[i].st_shndx].sh_addr;
90464 + pax_open_kernel();
90465 sym[i].st_value += secbase;
90466 + pax_close_kernel();
90467 break;
90468 }
90469 }
90470
90471 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
90472 + if (is_fs_load && !register_filesystem_found) {
90473 + printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name);
90474 + ret = -EPERM;
90475 + }
90476 +#endif
90477 +
90478 return ret;
90479 }
90480
90481 @@ -2077,22 +2132,12 @@ static void layout_sections(struct module *mod, struct load_info *info)
90482 || s->sh_entsize != ~0UL
90483 || strstarts(sname, ".init"))
90484 continue;
90485 - s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
90486 + if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
90487 + s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i);
90488 + else
90489 + s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i);
90490 pr_debug("\t%s\n", sname);
90491 }
90492 - switch (m) {
90493 - case 0: /* executable */
90494 - mod->core_size = debug_align(mod->core_size);
90495 - mod->core_text_size = mod->core_size;
90496 - break;
90497 - case 1: /* RO: text and ro-data */
90498 - mod->core_size = debug_align(mod->core_size);
90499 - mod->core_ro_size = mod->core_size;
90500 - break;
90501 - case 3: /* whole core */
90502 - mod->core_size = debug_align(mod->core_size);
90503 - break;
90504 - }
90505 }
90506
90507 pr_debug("Init section allocation order:\n");
90508 @@ -2106,23 +2151,13 @@ static void layout_sections(struct module *mod, struct load_info *info)
90509 || s->sh_entsize != ~0UL
90510 || !strstarts(sname, ".init"))
90511 continue;
90512 - s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
90513 - | INIT_OFFSET_MASK);
90514 + if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC))
90515 + s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i);
90516 + else
90517 + s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i);
90518 + s->sh_entsize |= INIT_OFFSET_MASK;
90519 pr_debug("\t%s\n", sname);
90520 }
90521 - switch (m) {
90522 - case 0: /* executable */
90523 - mod->init_size = debug_align(mod->init_size);
90524 - mod->init_text_size = mod->init_size;
90525 - break;
90526 - case 1: /* RO: text and ro-data */
90527 - mod->init_size = debug_align(mod->init_size);
90528 - mod->init_ro_size = mod->init_size;
90529 - break;
90530 - case 3: /* whole init */
90531 - mod->init_size = debug_align(mod->init_size);
90532 - break;
90533 - }
90534 }
90535 }
90536
90537 @@ -2295,7 +2330,7 @@ static void layout_symtab(struct module *mod, struct load_info *info)
90538
90539 /* Put symbol section at end of init part of module. */
90540 symsect->sh_flags |= SHF_ALLOC;
90541 - symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect,
90542 + symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect,
90543 info->index.sym) | INIT_OFFSET_MASK;
90544 pr_debug("\t%s\n", info->secstrings + symsect->sh_name);
90545
90546 @@ -2312,13 +2347,13 @@ static void layout_symtab(struct module *mod, struct load_info *info)
90547 }
90548
90549 /* Append room for core symbols at end of core part. */
90550 - info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1);
90551 - info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym);
90552 - mod->core_size += strtab_size;
90553 + info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1);
90554 + info->stroffs = mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym);
90555 + mod->core_size_rx += strtab_size;
90556
90557 /* Put string table section at end of init part of module. */
90558 strsect->sh_flags |= SHF_ALLOC;
90559 - strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect,
90560 + strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect,
90561 info->index.str) | INIT_OFFSET_MASK;
90562 pr_debug("\t%s\n", info->secstrings + strsect->sh_name);
90563 }
90564 @@ -2336,12 +2371,14 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
90565 /* Make sure we get permanent strtab: don't use info->strtab. */
90566 mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr;
90567
90568 + pax_open_kernel();
90569 +
90570 /* Set types up while we still have access to sections. */
90571 for (i = 0; i < mod->num_symtab; i++)
90572 mod->symtab[i].st_info = elf_type(&mod->symtab[i], info);
90573
90574 - mod->core_symtab = dst = mod->module_core + info->symoffs;
90575 - mod->core_strtab = s = mod->module_core + info->stroffs;
90576 + mod->core_symtab = dst = mod->module_core_rx + info->symoffs;
90577 + mod->core_strtab = s = mod->module_core_rx + info->stroffs;
90578 src = mod->symtab;
90579 for (ndst = i = 0; i < mod->num_symtab; i++) {
90580 if (i == 0 ||
90581 @@ -2353,6 +2390,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
90582 }
90583 }
90584 mod->core_num_syms = ndst;
90585 +
90586 + pax_close_kernel();
90587 }
90588 #else
90589 static inline void layout_symtab(struct module *mod, struct load_info *info)
90590 @@ -2386,17 +2425,33 @@ void * __weak module_alloc(unsigned long size)
90591 return vmalloc_exec(size);
90592 }
90593
90594 -static void *module_alloc_update_bounds(unsigned long size)
90595 +static void *module_alloc_update_bounds_rw(unsigned long size)
90596 {
90597 void *ret = module_alloc(size);
90598
90599 if (ret) {
90600 mutex_lock(&module_mutex);
90601 /* Update module bounds. */
90602 - if ((unsigned long)ret < module_addr_min)
90603 - module_addr_min = (unsigned long)ret;
90604 - if ((unsigned long)ret + size > module_addr_max)
90605 - module_addr_max = (unsigned long)ret + size;
90606 + if ((unsigned long)ret < module_addr_min_rw)
90607 + module_addr_min_rw = (unsigned long)ret;
90608 + if ((unsigned long)ret + size > module_addr_max_rw)
90609 + module_addr_max_rw = (unsigned long)ret + size;
90610 + mutex_unlock(&module_mutex);
90611 + }
90612 + return ret;
90613 +}
90614 +
90615 +static void *module_alloc_update_bounds_rx(unsigned long size)
90616 +{
90617 + void *ret = module_alloc_exec(size);
90618 +
90619 + if (ret) {
90620 + mutex_lock(&module_mutex);
90621 + /* Update module bounds. */
90622 + if ((unsigned long)ret < module_addr_min_rx)
90623 + module_addr_min_rx = (unsigned long)ret;
90624 + if ((unsigned long)ret + size > module_addr_max_rx)
90625 + module_addr_max_rx = (unsigned long)ret + size;
90626 mutex_unlock(&module_mutex);
90627 }
90628 return ret;
90629 @@ -2650,7 +2705,15 @@ static struct module *setup_load_info(struct load_info *info, int flags)
90630 mod = (void *)info->sechdrs[info->index.mod].sh_addr;
90631
90632 if (info->index.sym == 0) {
90633 +#ifdef CONFIG_GRKERNSEC_RANDSTRUCT
90634 + /*
90635 + * avoid potentially printing jibberish on attempted load
90636 + * of a module randomized with a different seed
90637 + */
90638 + pr_warn("module has no symbols (stripped?)\n");
90639 +#else
90640 pr_warn("%s: module has no symbols (stripped?)\n", mod->name);
90641 +#endif
90642 return ERR_PTR(-ENOEXEC);
90643 }
90644
90645 @@ -2666,8 +2729,14 @@ static struct module *setup_load_info(struct load_info *info, int flags)
90646 static int check_modinfo(struct module *mod, struct load_info *info, int flags)
90647 {
90648 const char *modmagic = get_modinfo(info, "vermagic");
90649 + const char *license = get_modinfo(info, "license");
90650 int err;
90651
90652 +#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR
90653 + if (!license || !license_is_gpl_compatible(license))
90654 + return -ENOEXEC;
90655 +#endif
90656 +
90657 if (flags & MODULE_INIT_IGNORE_VERMAGIC)
90658 modmagic = NULL;
90659
90660 @@ -2692,7 +2761,7 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
90661 }
90662
90663 /* Set up license info based on the info section */
90664 - set_license(mod, get_modinfo(info, "license"));
90665 + set_license(mod, license);
90666
90667 return 0;
90668 }
90669 @@ -2786,7 +2855,7 @@ static int move_module(struct module *mod, struct load_info *info)
90670 void *ptr;
90671
90672 /* Do the allocs. */
90673 - ptr = module_alloc_update_bounds(mod->core_size);
90674 + ptr = module_alloc_update_bounds_rw(mod->core_size_rw);
90675 /*
90676 * The pointer to this block is stored in the module structure
90677 * which is inside the block. Just mark it as not being a
90678 @@ -2796,11 +2865,11 @@ static int move_module(struct module *mod, struct load_info *info)
90679 if (!ptr)
90680 return -ENOMEM;
90681
90682 - memset(ptr, 0, mod->core_size);
90683 - mod->module_core = ptr;
90684 + memset(ptr, 0, mod->core_size_rw);
90685 + mod->module_core_rw = ptr;
90686
90687 - if (mod->init_size) {
90688 - ptr = module_alloc_update_bounds(mod->init_size);
90689 + if (mod->init_size_rw) {
90690 + ptr = module_alloc_update_bounds_rw(mod->init_size_rw);
90691 /*
90692 * The pointer to this block is stored in the module structure
90693 * which is inside the block. This block doesn't need to be
90694 @@ -2809,13 +2878,45 @@ static int move_module(struct module *mod, struct load_info *info)
90695 */
90696 kmemleak_ignore(ptr);
90697 if (!ptr) {
90698 - module_free(mod, mod->module_core);
90699 + module_free(mod, mod->module_core_rw);
90700 return -ENOMEM;
90701 }
90702 - memset(ptr, 0, mod->init_size);
90703 - mod->module_init = ptr;
90704 + memset(ptr, 0, mod->init_size_rw);
90705 + mod->module_init_rw = ptr;
90706 } else
90707 - mod->module_init = NULL;
90708 + mod->module_init_rw = NULL;
90709 +
90710 + ptr = module_alloc_update_bounds_rx(mod->core_size_rx);
90711 + kmemleak_not_leak(ptr);
90712 + if (!ptr) {
90713 + if (mod->module_init_rw)
90714 + module_free(mod, mod->module_init_rw);
90715 + module_free(mod, mod->module_core_rw);
90716 + return -ENOMEM;
90717 + }
90718 +
90719 + pax_open_kernel();
90720 + memset(ptr, 0, mod->core_size_rx);
90721 + pax_close_kernel();
90722 + mod->module_core_rx = ptr;
90723 +
90724 + if (mod->init_size_rx) {
90725 + ptr = module_alloc_update_bounds_rx(mod->init_size_rx);
90726 + kmemleak_ignore(ptr);
90727 + if (!ptr && mod->init_size_rx) {
90728 + module_free_exec(mod, mod->module_core_rx);
90729 + if (mod->module_init_rw)
90730 + module_free(mod, mod->module_init_rw);
90731 + module_free(mod, mod->module_core_rw);
90732 + return -ENOMEM;
90733 + }
90734 +
90735 + pax_open_kernel();
90736 + memset(ptr, 0, mod->init_size_rx);
90737 + pax_close_kernel();
90738 + mod->module_init_rx = ptr;
90739 + } else
90740 + mod->module_init_rx = NULL;
90741
90742 /* Transfer each section which specifies SHF_ALLOC */
90743 pr_debug("final section addresses:\n");
90744 @@ -2826,16 +2927,45 @@ static int move_module(struct module *mod, struct load_info *info)
90745 if (!(shdr->sh_flags & SHF_ALLOC))
90746 continue;
90747
90748 - if (shdr->sh_entsize & INIT_OFFSET_MASK)
90749 - dest = mod->module_init
90750 - + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
90751 - else
90752 - dest = mod->module_core + shdr->sh_entsize;
90753 + if (shdr->sh_entsize & INIT_OFFSET_MASK) {
90754 + if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
90755 + dest = mod->module_init_rw
90756 + + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
90757 + else
90758 + dest = mod->module_init_rx
90759 + + (shdr->sh_entsize & ~INIT_OFFSET_MASK);
90760 + } else {
90761 + if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC))
90762 + dest = mod->module_core_rw + shdr->sh_entsize;
90763 + else
90764 + dest = mod->module_core_rx + shdr->sh_entsize;
90765 + }
90766 +
90767 + if (shdr->sh_type != SHT_NOBITS) {
90768 +
90769 +#ifdef CONFIG_PAX_KERNEXEC
90770 +#ifdef CONFIG_X86_64
90771 + if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR))
90772 + set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT);
90773 +#endif
90774 + if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) {
90775 + pax_open_kernel();
90776 + memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
90777 + pax_close_kernel();
90778 + } else
90779 +#endif
90780
90781 - if (shdr->sh_type != SHT_NOBITS)
90782 memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
90783 + }
90784 /* Update sh_addr to point to copy in image. */
90785 - shdr->sh_addr = (unsigned long)dest;
90786 +
90787 +#ifdef CONFIG_PAX_KERNEXEC
90788 + if (shdr->sh_flags & SHF_EXECINSTR)
90789 + shdr->sh_addr = ktva_ktla((unsigned long)dest);
90790 + else
90791 +#endif
90792 +
90793 + shdr->sh_addr = (unsigned long)dest;
90794 pr_debug("\t0x%lx %s\n",
90795 (long)shdr->sh_addr, info->secstrings + shdr->sh_name);
90796 }
90797 @@ -2892,12 +3022,12 @@ static void flush_module_icache(const struct module *mod)
90798 * Do it before processing of module parameters, so the module
90799 * can provide parameter accessor functions of its own.
90800 */
90801 - if (mod->module_init)
90802 - flush_icache_range((unsigned long)mod->module_init,
90803 - (unsigned long)mod->module_init
90804 - + mod->init_size);
90805 - flush_icache_range((unsigned long)mod->module_core,
90806 - (unsigned long)mod->module_core + mod->core_size);
90807 + if (mod->module_init_rx)
90808 + flush_icache_range((unsigned long)mod->module_init_rx,
90809 + (unsigned long)mod->module_init_rx
90810 + + mod->init_size_rx);
90811 + flush_icache_range((unsigned long)mod->module_core_rx,
90812 + (unsigned long)mod->module_core_rx + mod->core_size_rx);
90813
90814 set_fs(old_fs);
90815 }
90816 @@ -2954,8 +3084,10 @@ static struct module *layout_and_allocate(struct load_info *info, int flags)
90817 static void module_deallocate(struct module *mod, struct load_info *info)
90818 {
90819 percpu_modfree(mod);
90820 - module_free(mod, mod->module_init);
90821 - module_free(mod, mod->module_core);
90822 + module_free_exec(mod, mod->module_init_rx);
90823 + module_free_exec(mod, mod->module_core_rx);
90824 + module_free(mod, mod->module_init_rw);
90825 + module_free(mod, mod->module_core_rw);
90826 }
90827
90828 int __weak module_finalize(const Elf_Ehdr *hdr,
90829 @@ -2968,7 +3100,9 @@ int __weak module_finalize(const Elf_Ehdr *hdr,
90830 static int post_relocation(struct module *mod, const struct load_info *info)
90831 {
90832 /* Sort exception table now relocations are done. */
90833 + pax_open_kernel();
90834 sort_extable(mod->extable, mod->extable + mod->num_exentries);
90835 + pax_close_kernel();
90836
90837 /* Copy relocated percpu area over. */
90838 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr,
90839 @@ -3077,11 +3211,12 @@ static int do_init_module(struct module *mod)
90840 mod->strtab = mod->core_strtab;
90841 #endif
90842 unset_module_init_ro_nx(mod);
90843 - module_free(mod, mod->module_init);
90844 - mod->module_init = NULL;
90845 - mod->init_size = 0;
90846 - mod->init_ro_size = 0;
90847 - mod->init_text_size = 0;
90848 + module_free(mod, mod->module_init_rw);
90849 + module_free_exec(mod, mod->module_init_rx);
90850 + mod->module_init_rw = NULL;
90851 + mod->module_init_rx = NULL;
90852 + mod->init_size_rw = 0;
90853 + mod->init_size_rx = 0;
90854 mutex_unlock(&module_mutex);
90855 wake_up_all(&module_wq);
90856
90857 @@ -3149,16 +3284,16 @@ static int complete_formation(struct module *mod, struct load_info *info)
90858 module_bug_finalize(info->hdr, info->sechdrs, mod);
90859
90860 /* Set RO and NX regions for core */
90861 - set_section_ro_nx(mod->module_core,
90862 - mod->core_text_size,
90863 - mod->core_ro_size,
90864 - mod->core_size);
90865 + set_section_ro_nx(mod->module_core_rx,
90866 + mod->core_size_rx,
90867 + mod->core_size_rx,
90868 + mod->core_size_rx);
90869
90870 /* Set RO and NX regions for init */
90871 - set_section_ro_nx(mod->module_init,
90872 - mod->init_text_size,
90873 - mod->init_ro_size,
90874 - mod->init_size);
90875 + set_section_ro_nx(mod->module_init_rx,
90876 + mod->init_size_rx,
90877 + mod->init_size_rx,
90878 + mod->init_size_rx);
90879
90880 /* Mark state as coming so strong_try_module_get() ignores us,
90881 * but kallsyms etc. can see us. */
90882 @@ -3242,9 +3377,38 @@ static int load_module(struct load_info *info, const char __user *uargs,
90883 if (err)
90884 goto free_unload;
90885
90886 + /* Now copy in args */
90887 + mod->args = strndup_user(uargs, ~0UL >> 1);
90888 + if (IS_ERR(mod->args)) {
90889 + err = PTR_ERR(mod->args);
90890 + goto free_unload;
90891 + }
90892 +
90893 /* Set up MODINFO_ATTR fields */
90894 setup_modinfo(mod, info);
90895
90896 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
90897 + {
90898 + char *p, *p2;
90899 +
90900 + if (strstr(mod->args, "grsec_modharden_netdev")) {
90901 + printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name);
90902 + err = -EPERM;
90903 + goto free_modinfo;
90904 + } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) {
90905 + p += sizeof("grsec_modharden_normal") - 1;
90906 + p2 = strstr(p, "_");
90907 + if (p2) {
90908 + *p2 = '\0';
90909 + printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p);
90910 + *p2 = '_';
90911 + }
90912 + err = -EPERM;
90913 + goto free_modinfo;
90914 + }
90915 + }
90916 +#endif
90917 +
90918 /* Fix up syms, so that st_value is a pointer to location. */
90919 err = simplify_symbols(mod, info);
90920 if (err < 0)
90921 @@ -3260,13 +3424,6 @@ static int load_module(struct load_info *info, const char __user *uargs,
90922
90923 flush_module_icache(mod);
90924
90925 - /* Now copy in args */
90926 - mod->args = strndup_user(uargs, ~0UL >> 1);
90927 - if (IS_ERR(mod->args)) {
90928 - err = PTR_ERR(mod->args);
90929 - goto free_arch_cleanup;
90930 - }
90931 -
90932 dynamic_debug_setup(info->debug, info->num_debug);
90933
90934 /* Ftrace init must be called in the MODULE_STATE_UNFORMED state */
90935 @@ -3314,11 +3471,10 @@ static int load_module(struct load_info *info, const char __user *uargs,
90936 ddebug_cleanup:
90937 dynamic_debug_remove(info->debug);
90938 synchronize_sched();
90939 - kfree(mod->args);
90940 - free_arch_cleanup:
90941 module_arch_cleanup(mod);
90942 free_modinfo:
90943 free_modinfo(mod);
90944 + kfree(mod->args);
90945 free_unload:
90946 module_unload_free(mod);
90947 unlink_mod:
90948 @@ -3403,10 +3559,16 @@ static const char *get_ksymbol(struct module *mod,
90949 unsigned long nextval;
90950
90951 /* At worse, next value is at end of module */
90952 - if (within_module_init(addr, mod))
90953 - nextval = (unsigned long)mod->module_init+mod->init_text_size;
90954 + if (within_module_init_rx(addr, mod))
90955 + nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx;
90956 + else if (within_module_init_rw(addr, mod))
90957 + nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw;
90958 + else if (within_module_core_rx(addr, mod))
90959 + nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx;
90960 + else if (within_module_core_rw(addr, mod))
90961 + nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw;
90962 else
90963 - nextval = (unsigned long)mod->module_core+mod->core_text_size;
90964 + return NULL;
90965
90966 /* Scan for closest preceding symbol, and next symbol. (ELF
90967 starts real symbols at 1). */
90968 @@ -3654,7 +3816,7 @@ static int m_show(struct seq_file *m, void *p)
90969 return 0;
90970
90971 seq_printf(m, "%s %u",
90972 - mod->name, mod->init_size + mod->core_size);
90973 + mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw);
90974 print_unload_info(m, mod);
90975
90976 /* Informative for users. */
90977 @@ -3663,7 +3825,7 @@ static int m_show(struct seq_file *m, void *p)
90978 mod->state == MODULE_STATE_COMING ? "Loading":
90979 "Live");
90980 /* Used by oprofile and other similar tools. */
90981 - seq_printf(m, " 0x%pK", mod->module_core);
90982 + seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw);
90983
90984 /* Taints info */
90985 if (mod->taints)
90986 @@ -3699,7 +3861,17 @@ static const struct file_operations proc_modules_operations = {
90987
90988 static int __init proc_modules_init(void)
90989 {
90990 +#ifndef CONFIG_GRKERNSEC_HIDESYM
90991 +#ifdef CONFIG_GRKERNSEC_PROC_USER
90992 + proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
90993 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
90994 + proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations);
90995 +#else
90996 proc_create("modules", 0, NULL, &proc_modules_operations);
90997 +#endif
90998 +#else
90999 + proc_create("modules", S_IRUSR, NULL, &proc_modules_operations);
91000 +#endif
91001 return 0;
91002 }
91003 module_init(proc_modules_init);
91004 @@ -3760,7 +3932,8 @@ struct module *__module_address(unsigned long addr)
91005 {
91006 struct module *mod;
91007
91008 - if (addr < module_addr_min || addr > module_addr_max)
91009 + if ((addr < module_addr_min_rx || addr > module_addr_max_rx) &&
91010 + (addr < module_addr_min_rw || addr > module_addr_max_rw))
91011 return NULL;
91012
91013 list_for_each_entry_rcu(mod, &modules, list) {
91014 @@ -3801,11 +3974,20 @@ bool is_module_text_address(unsigned long addr)
91015 */
91016 struct module *__module_text_address(unsigned long addr)
91017 {
91018 - struct module *mod = __module_address(addr);
91019 + struct module *mod;
91020 +
91021 +#ifdef CONFIG_X86_32
91022 + addr = ktla_ktva(addr);
91023 +#endif
91024 +
91025 + if (addr < module_addr_min_rx || addr > module_addr_max_rx)
91026 + return NULL;
91027 +
91028 + mod = __module_address(addr);
91029 +
91030 if (mod) {
91031 /* Make sure it's within the text section. */
91032 - if (!within(addr, mod->module_init, mod->init_text_size)
91033 - && !within(addr, mod->module_core, mod->core_text_size))
91034 + if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod))
91035 mod = NULL;
91036 }
91037 return mod;
91038 diff --git a/kernel/notifier.c b/kernel/notifier.c
91039 index 4803da6..1c5eea6 100644
91040 --- a/kernel/notifier.c
91041 +++ b/kernel/notifier.c
91042 @@ -5,6 +5,7 @@
91043 #include <linux/rcupdate.h>
91044 #include <linux/vmalloc.h>
91045 #include <linux/reboot.h>
91046 +#include <linux/mm.h>
91047
91048 /*
91049 * Notifier list for kernel code which wants to be called
91050 @@ -24,10 +25,12 @@ static int notifier_chain_register(struct notifier_block **nl,
91051 while ((*nl) != NULL) {
91052 if (n->priority > (*nl)->priority)
91053 break;
91054 - nl = &((*nl)->next);
91055 + nl = (struct notifier_block **)&((*nl)->next);
91056 }
91057 - n->next = *nl;
91058 + pax_open_kernel();
91059 + *(const void **)&n->next = *nl;
91060 rcu_assign_pointer(*nl, n);
91061 + pax_close_kernel();
91062 return 0;
91063 }
91064
91065 @@ -39,10 +42,12 @@ static int notifier_chain_cond_register(struct notifier_block **nl,
91066 return 0;
91067 if (n->priority > (*nl)->priority)
91068 break;
91069 - nl = &((*nl)->next);
91070 + nl = (struct notifier_block **)&((*nl)->next);
91071 }
91072 - n->next = *nl;
91073 + pax_open_kernel();
91074 + *(const void **)&n->next = *nl;
91075 rcu_assign_pointer(*nl, n);
91076 + pax_close_kernel();
91077 return 0;
91078 }
91079
91080 @@ -51,10 +56,12 @@ static int notifier_chain_unregister(struct notifier_block **nl,
91081 {
91082 while ((*nl) != NULL) {
91083 if ((*nl) == n) {
91084 + pax_open_kernel();
91085 rcu_assign_pointer(*nl, n->next);
91086 + pax_close_kernel();
91087 return 0;
91088 }
91089 - nl = &((*nl)->next);
91090 + nl = (struct notifier_block **)&((*nl)->next);
91091 }
91092 return -ENOENT;
91093 }
91094 diff --git a/kernel/padata.c b/kernel/padata.c
91095 index 161402f..598814c 100644
91096 --- a/kernel/padata.c
91097 +++ b/kernel/padata.c
91098 @@ -54,7 +54,7 @@ static int padata_cpu_hash(struct parallel_data *pd)
91099 * seq_nr mod. number of cpus in use.
91100 */
91101
91102 - seq_nr = atomic_inc_return(&pd->seq_nr);
91103 + seq_nr = atomic_inc_return_unchecked(&pd->seq_nr);
91104 cpu_index = seq_nr % cpumask_weight(pd->cpumask.pcpu);
91105
91106 return padata_index_to_cpu(pd, cpu_index);
91107 @@ -428,7 +428,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
91108 padata_init_pqueues(pd);
91109 padata_init_squeues(pd);
91110 setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd);
91111 - atomic_set(&pd->seq_nr, -1);
91112 + atomic_set_unchecked(&pd->seq_nr, -1);
91113 atomic_set(&pd->reorder_objects, 0);
91114 atomic_set(&pd->refcnt, 0);
91115 pd->pinst = pinst;
91116 diff --git a/kernel/panic.c b/kernel/panic.c
91117 index cf80672..f6771b2 100644
91118 --- a/kernel/panic.c
91119 +++ b/kernel/panic.c
91120 @@ -53,7 +53,7 @@ EXPORT_SYMBOL(panic_blink);
91121 /*
91122 * Stop ourself in panic -- architecture code may override this
91123 */
91124 -void __weak panic_smp_self_stop(void)
91125 +void __weak __noreturn panic_smp_self_stop(void)
91126 {
91127 while (1)
91128 cpu_relax();
91129 @@ -422,7 +422,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller,
91130 disable_trace_on_warning();
91131
91132 pr_warn("------------[ cut here ]------------\n");
91133 - pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pS()\n",
91134 + pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pA()\n",
91135 raw_smp_processor_id(), current->pid, file, line, caller);
91136
91137 if (args)
91138 @@ -476,7 +476,8 @@ EXPORT_SYMBOL(warn_slowpath_null);
91139 */
91140 __visible void __stack_chk_fail(void)
91141 {
91142 - panic("stack-protector: Kernel stack is corrupted in: %p\n",
91143 + dump_stack();
91144 + panic("stack-protector: Kernel stack is corrupted in: %pA\n",
91145 __builtin_return_address(0));
91146 }
91147 EXPORT_SYMBOL(__stack_chk_fail);
91148 diff --git a/kernel/pid.c b/kernel/pid.c
91149 index 82430c8..53d7793 100644
91150 --- a/kernel/pid.c
91151 +++ b/kernel/pid.c
91152 @@ -33,6 +33,7 @@
91153 #include <linux/rculist.h>
91154 #include <linux/bootmem.h>
91155 #include <linux/hash.h>
91156 +#include <linux/security.h>
91157 #include <linux/pid_namespace.h>
91158 #include <linux/init_task.h>
91159 #include <linux/syscalls.h>
91160 @@ -47,7 +48,7 @@ struct pid init_struct_pid = INIT_STRUCT_PID;
91161
91162 int pid_max = PID_MAX_DEFAULT;
91163
91164 -#define RESERVED_PIDS 300
91165 +#define RESERVED_PIDS 500
91166
91167 int pid_max_min = RESERVED_PIDS + 1;
91168 int pid_max_max = PID_MAX_LIMIT;
91169 @@ -447,10 +448,18 @@ EXPORT_SYMBOL(pid_task);
91170 */
91171 struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
91172 {
91173 + struct task_struct *task;
91174 +
91175 rcu_lockdep_assert(rcu_read_lock_held(),
91176 "find_task_by_pid_ns() needs rcu_read_lock()"
91177 " protection");
91178 - return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
91179 +
91180 + task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
91181 +
91182 + if (gr_pid_is_chrooted(task))
91183 + return NULL;
91184 +
91185 + return task;
91186 }
91187
91188 struct task_struct *find_task_by_vpid(pid_t vnr)
91189 @@ -458,6 +467,14 @@ struct task_struct *find_task_by_vpid(pid_t vnr)
91190 return find_task_by_pid_ns(vnr, task_active_pid_ns(current));
91191 }
91192
91193 +struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr)
91194 +{
91195 + rcu_lockdep_assert(rcu_read_lock_held(),
91196 + "find_task_by_pid_ns() needs rcu_read_lock()"
91197 + " protection");
91198 + return pid_task(find_pid_ns(vnr, task_active_pid_ns(current)), PIDTYPE_PID);
91199 +}
91200 +
91201 struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
91202 {
91203 struct pid *pid;
91204 diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
91205 index db95d8e..a0ca23f 100644
91206 --- a/kernel/pid_namespace.c
91207 +++ b/kernel/pid_namespace.c
91208 @@ -253,7 +253,7 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write,
91209 void __user *buffer, size_t *lenp, loff_t *ppos)
91210 {
91211 struct pid_namespace *pid_ns = task_active_pid_ns(current);
91212 - struct ctl_table tmp = *table;
91213 + ctl_table_no_const tmp = *table;
91214
91215 if (write && !ns_capable(pid_ns->user_ns, CAP_SYS_ADMIN))
91216 return -EPERM;
91217 diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
91218 index bbef57f..5f94462 100644
91219 --- a/kernel/power/Kconfig
91220 +++ b/kernel/power/Kconfig
91221 @@ -24,6 +24,8 @@ config HIBERNATE_CALLBACKS
91222 config HIBERNATION
91223 bool "Hibernation (aka 'suspend to disk')"
91224 depends on SWAP && ARCH_HIBERNATION_POSSIBLE
91225 + depends on !GRKERNSEC_KMEM
91226 + depends on !PAX_MEMORY_SANITIZE
91227 select HIBERNATE_CALLBACKS
91228 select LZO_COMPRESS
91229 select LZO_DECOMPRESS
91230 diff --git a/kernel/power/process.c b/kernel/power/process.c
91231 index 5a6ec86..3a8c884 100644
91232 --- a/kernel/power/process.c
91233 +++ b/kernel/power/process.c
91234 @@ -35,6 +35,7 @@ static int try_to_freeze_tasks(bool user_only)
91235 unsigned int elapsed_msecs;
91236 bool wakeup = false;
91237 int sleep_usecs = USEC_PER_MSEC;
91238 + bool timedout = false;
91239
91240 do_gettimeofday(&start);
91241
91242 @@ -45,13 +46,20 @@ static int try_to_freeze_tasks(bool user_only)
91243
91244 while (true) {
91245 todo = 0;
91246 + if (time_after(jiffies, end_time))
91247 + timedout = true;
91248 read_lock(&tasklist_lock);
91249 for_each_process_thread(g, p) {
91250 if (p == current || !freeze_task(p))
91251 continue;
91252
91253 - if (!freezer_should_skip(p))
91254 + if (!freezer_should_skip(p)) {
91255 todo++;
91256 + if (timedout) {
91257 + printk(KERN_ERR "Task refusing to freeze:\n");
91258 + sched_show_task(p);
91259 + }
91260 + }
91261 }
91262 read_unlock(&tasklist_lock);
91263
91264 @@ -60,7 +68,7 @@ static int try_to_freeze_tasks(bool user_only)
91265 todo += wq_busy;
91266 }
91267
91268 - if (!todo || time_after(jiffies, end_time))
91269 + if (!todo || timedout)
91270 break;
91271
91272 if (pm_wakeup_pending()) {
91273 diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
91274 index ced2b84..ffc4791 100644
91275 --- a/kernel/printk/printk.c
91276 +++ b/kernel/printk/printk.c
91277 @@ -489,6 +489,11 @@ static int check_syslog_permissions(int type, bool from_file)
91278 if (from_file && type != SYSLOG_ACTION_OPEN)
91279 return 0;
91280
91281 +#ifdef CONFIG_GRKERNSEC_DMESG
91282 + if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN))
91283 + return -EPERM;
91284 +#endif
91285 +
91286 if (syslog_action_restricted(type)) {
91287 if (capable(CAP_SYSLOG))
91288 return 0;
91289 diff --git a/kernel/profile.c b/kernel/profile.c
91290 index 54bf5ba..df6e0a2 100644
91291 --- a/kernel/profile.c
91292 +++ b/kernel/profile.c
91293 @@ -37,7 +37,7 @@ struct profile_hit {
91294 #define NR_PROFILE_HIT (PAGE_SIZE/sizeof(struct profile_hit))
91295 #define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ)
91296
91297 -static atomic_t *prof_buffer;
91298 +static atomic_unchecked_t *prof_buffer;
91299 static unsigned long prof_len, prof_shift;
91300
91301 int prof_on __read_mostly;
91302 @@ -256,7 +256,7 @@ static void profile_flip_buffers(void)
91303 hits[i].pc = 0;
91304 continue;
91305 }
91306 - atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
91307 + atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
91308 hits[i].hits = hits[i].pc = 0;
91309 }
91310 }
91311 @@ -317,9 +317,9 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
91312 * Add the current hit(s) and flush the write-queue out
91313 * to the global buffer:
91314 */
91315 - atomic_add(nr_hits, &prof_buffer[pc]);
91316 + atomic_add_unchecked(nr_hits, &prof_buffer[pc]);
91317 for (i = 0; i < NR_PROFILE_HIT; ++i) {
91318 - atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]);
91319 + atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]);
91320 hits[i].pc = hits[i].hits = 0;
91321 }
91322 out:
91323 @@ -394,7 +394,7 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits)
91324 {
91325 unsigned long pc;
91326 pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift;
91327 - atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
91328 + atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]);
91329 }
91330 #endif /* !CONFIG_SMP */
91331
91332 @@ -490,7 +490,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
91333 return -EFAULT;
91334 buf++; p++; count--; read++;
91335 }
91336 - pnt = (char *)prof_buffer + p - sizeof(atomic_t);
91337 + pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t);
91338 if (copy_to_user(buf, (void *)pnt, count))
91339 return -EFAULT;
91340 read += count;
91341 @@ -521,7 +521,7 @@ static ssize_t write_profile(struct file *file, const char __user *buf,
91342 }
91343 #endif
91344 profile_discard_flip_buffers();
91345 - memset(prof_buffer, 0, prof_len * sizeof(atomic_t));
91346 + memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t));
91347 return count;
91348 }
91349
91350 diff --git a/kernel/ptrace.c b/kernel/ptrace.c
91351 index 54e7522..5b82dd6 100644
91352 --- a/kernel/ptrace.c
91353 +++ b/kernel/ptrace.c
91354 @@ -321,7 +321,7 @@ static int ptrace_attach(struct task_struct *task, long request,
91355 if (seize)
91356 flags |= PT_SEIZED;
91357 rcu_read_lock();
91358 - if (ns_capable(__task_cred(task)->user_ns, CAP_SYS_PTRACE))
91359 + if (ns_capable_nolog(__task_cred(task)->user_ns, CAP_SYS_PTRACE))
91360 flags |= PT_PTRACE_CAP;
91361 rcu_read_unlock();
91362 task->ptrace = flags;
91363 @@ -532,7 +532,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst
91364 break;
91365 return -EIO;
91366 }
91367 - if (copy_to_user(dst, buf, retval))
91368 + if (retval > sizeof(buf) || copy_to_user(dst, buf, retval))
91369 return -EFAULT;
91370 copied += retval;
91371 src += retval;
91372 @@ -800,7 +800,7 @@ int ptrace_request(struct task_struct *child, long request,
91373 bool seized = child->ptrace & PT_SEIZED;
91374 int ret = -EIO;
91375 siginfo_t siginfo, *si;
91376 - void __user *datavp = (void __user *) data;
91377 + void __user *datavp = (__force void __user *) data;
91378 unsigned long __user *datalp = datavp;
91379 unsigned long flags;
91380
91381 @@ -1046,14 +1046,21 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
91382 goto out;
91383 }
91384
91385 + if (gr_handle_ptrace(child, request)) {
91386 + ret = -EPERM;
91387 + goto out_put_task_struct;
91388 + }
91389 +
91390 if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
91391 ret = ptrace_attach(child, request, addr, data);
91392 /*
91393 * Some architectures need to do book-keeping after
91394 * a ptrace attach.
91395 */
91396 - if (!ret)
91397 + if (!ret) {
91398 arch_ptrace_attach(child);
91399 + gr_audit_ptrace(child);
91400 + }
91401 goto out_put_task_struct;
91402 }
91403
91404 @@ -1081,7 +1088,7 @@ int generic_ptrace_peekdata(struct task_struct *tsk, unsigned long addr,
91405 copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0);
91406 if (copied != sizeof(tmp))
91407 return -EIO;
91408 - return put_user(tmp, (unsigned long __user *)data);
91409 + return put_user(tmp, (__force unsigned long __user *)data);
91410 }
91411
91412 int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr,
91413 @@ -1175,7 +1182,7 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request,
91414 }
91415
91416 COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid,
91417 - compat_long_t, addr, compat_long_t, data)
91418 + compat_ulong_t, addr, compat_ulong_t, data)
91419 {
91420 struct task_struct *child;
91421 long ret;
91422 @@ -1191,14 +1198,21 @@ COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid,
91423 goto out;
91424 }
91425
91426 + if (gr_handle_ptrace(child, request)) {
91427 + ret = -EPERM;
91428 + goto out_put_task_struct;
91429 + }
91430 +
91431 if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
91432 ret = ptrace_attach(child, request, addr, data);
91433 /*
91434 * Some architectures need to do book-keeping after
91435 * a ptrace attach.
91436 */
91437 - if (!ret)
91438 + if (!ret) {
91439 arch_ptrace_attach(child);
91440 + gr_audit_ptrace(child);
91441 + }
91442 goto out_put_task_struct;
91443 }
91444
91445 diff --git a/kernel/range.c b/kernel/range.c
91446 index 322ea8e..82cfc28 100644
91447 --- a/kernel/range.c
91448 +++ b/kernel/range.c
91449 @@ -113,12 +113,12 @@ static int cmp_range(const void *x1, const void *x2)
91450 {
91451 const struct range *r1 = x1;
91452 const struct range *r2 = x2;
91453 - s64 start1, start2;
91454
91455 - start1 = r1->start;
91456 - start2 = r2->start;
91457 -
91458 - return start1 - start2;
91459 + if (r1->start < r2->start)
91460 + return -1;
91461 + if (r1->start > r2->start)
91462 + return 1;
91463 + return 0;
91464 }
91465
91466 int clean_sort_range(struct range *range, int az)
91467 diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
91468 index 240fa90..5fa56bd 100644
91469 --- a/kernel/rcu/rcutorture.c
91470 +++ b/kernel/rcu/rcutorture.c
91471 @@ -134,12 +134,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1],
91472 rcu_torture_count) = { 0 };
91473 static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1],
91474 rcu_torture_batch) = { 0 };
91475 -static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
91476 -static atomic_t n_rcu_torture_alloc;
91477 -static atomic_t n_rcu_torture_alloc_fail;
91478 -static atomic_t n_rcu_torture_free;
91479 -static atomic_t n_rcu_torture_mberror;
91480 -static atomic_t n_rcu_torture_error;
91481 +static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
91482 +static atomic_unchecked_t n_rcu_torture_alloc;
91483 +static atomic_unchecked_t n_rcu_torture_alloc_fail;
91484 +static atomic_unchecked_t n_rcu_torture_free;
91485 +static atomic_unchecked_t n_rcu_torture_mberror;
91486 +static atomic_unchecked_t n_rcu_torture_error;
91487 static long n_rcu_torture_barrier_error;
91488 static long n_rcu_torture_boost_ktrerror;
91489 static long n_rcu_torture_boost_rterror;
91490 @@ -148,7 +148,7 @@ static long n_rcu_torture_boosts;
91491 static long n_rcu_torture_timers;
91492 static long n_barrier_attempts;
91493 static long n_barrier_successes;
91494 -static atomic_long_t n_cbfloods;
91495 +static atomic_long_unchecked_t n_cbfloods;
91496 static struct list_head rcu_torture_removed;
91497
91498 static int rcu_torture_writer_state;
91499 @@ -211,11 +211,11 @@ rcu_torture_alloc(void)
91500
91501 spin_lock_bh(&rcu_torture_lock);
91502 if (list_empty(&rcu_torture_freelist)) {
91503 - atomic_inc(&n_rcu_torture_alloc_fail);
91504 + atomic_inc_unchecked(&n_rcu_torture_alloc_fail);
91505 spin_unlock_bh(&rcu_torture_lock);
91506 return NULL;
91507 }
91508 - atomic_inc(&n_rcu_torture_alloc);
91509 + atomic_inc_unchecked(&n_rcu_torture_alloc);
91510 p = rcu_torture_freelist.next;
91511 list_del_init(p);
91512 spin_unlock_bh(&rcu_torture_lock);
91513 @@ -228,7 +228,7 @@ rcu_torture_alloc(void)
91514 static void
91515 rcu_torture_free(struct rcu_torture *p)
91516 {
91517 - atomic_inc(&n_rcu_torture_free);
91518 + atomic_inc_unchecked(&n_rcu_torture_free);
91519 spin_lock_bh(&rcu_torture_lock);
91520 list_add_tail(&p->rtort_free, &rcu_torture_freelist);
91521 spin_unlock_bh(&rcu_torture_lock);
91522 @@ -312,7 +312,7 @@ rcu_torture_pipe_update_one(struct rcu_torture *rp)
91523 i = rp->rtort_pipe_count;
91524 if (i > RCU_TORTURE_PIPE_LEN)
91525 i = RCU_TORTURE_PIPE_LEN;
91526 - atomic_inc(&rcu_torture_wcount[i]);
91527 + atomic_inc_unchecked(&rcu_torture_wcount[i]);
91528 if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) {
91529 rp->rtort_mbtest = 0;
91530 return true;
91531 @@ -799,7 +799,7 @@ rcu_torture_cbflood(void *arg)
91532 VERBOSE_TOROUT_STRING("rcu_torture_cbflood task started");
91533 do {
91534 schedule_timeout_interruptible(cbflood_inter_holdoff);
91535 - atomic_long_inc(&n_cbfloods);
91536 + atomic_long_inc_unchecked(&n_cbfloods);
91537 WARN_ON(signal_pending(current));
91538 for (i = 0; i < cbflood_n_burst; i++) {
91539 for (j = 0; j < cbflood_n_per_burst; j++) {
91540 @@ -917,7 +917,7 @@ rcu_torture_writer(void *arg)
91541 i = old_rp->rtort_pipe_count;
91542 if (i > RCU_TORTURE_PIPE_LEN)
91543 i = RCU_TORTURE_PIPE_LEN;
91544 - atomic_inc(&rcu_torture_wcount[i]);
91545 + atomic_inc_unchecked(&rcu_torture_wcount[i]);
91546 old_rp->rtort_pipe_count++;
91547 switch (synctype[torture_random(&rand) % nsynctypes]) {
91548 case RTWS_DEF_FREE:
91549 @@ -1035,7 +1035,7 @@ static void rcu_torture_timer(unsigned long unused)
91550 return;
91551 }
91552 if (p->rtort_mbtest == 0)
91553 - atomic_inc(&n_rcu_torture_mberror);
91554 + atomic_inc_unchecked(&n_rcu_torture_mberror);
91555 spin_lock(&rand_lock);
91556 cur_ops->read_delay(&rand);
91557 n_rcu_torture_timers++;
91558 @@ -1105,7 +1105,7 @@ rcu_torture_reader(void *arg)
91559 continue;
91560 }
91561 if (p->rtort_mbtest == 0)
91562 - atomic_inc(&n_rcu_torture_mberror);
91563 + atomic_inc_unchecked(&n_rcu_torture_mberror);
91564 cur_ops->read_delay(&rand);
91565 preempt_disable();
91566 pipe_count = p->rtort_pipe_count;
91567 @@ -1172,11 +1172,11 @@ rcu_torture_stats_print(void)
91568 rcu_torture_current,
91569 rcu_torture_current_version,
91570 list_empty(&rcu_torture_freelist),
91571 - atomic_read(&n_rcu_torture_alloc),
91572 - atomic_read(&n_rcu_torture_alloc_fail),
91573 - atomic_read(&n_rcu_torture_free));
91574 + atomic_read_unchecked(&n_rcu_torture_alloc),
91575 + atomic_read_unchecked(&n_rcu_torture_alloc_fail),
91576 + atomic_read_unchecked(&n_rcu_torture_free));
91577 pr_cont("rtmbe: %d rtbke: %ld rtbre: %ld ",
91578 - atomic_read(&n_rcu_torture_mberror),
91579 + atomic_read_unchecked(&n_rcu_torture_mberror),
91580 n_rcu_torture_boost_ktrerror,
91581 n_rcu_torture_boost_rterror);
91582 pr_cont("rtbf: %ld rtb: %ld nt: %ld ",
91583 @@ -1188,17 +1188,17 @@ rcu_torture_stats_print(void)
91584 n_barrier_successes,
91585 n_barrier_attempts,
91586 n_rcu_torture_barrier_error);
91587 - pr_cont("cbflood: %ld\n", atomic_long_read(&n_cbfloods));
91588 + pr_cont("cbflood: %ld\n", atomic_long_read_unchecked(&n_cbfloods));
91589
91590 pr_alert("%s%s ", torture_type, TORTURE_FLAG);
91591 - if (atomic_read(&n_rcu_torture_mberror) != 0 ||
91592 + if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 ||
91593 n_rcu_torture_barrier_error != 0 ||
91594 n_rcu_torture_boost_ktrerror != 0 ||
91595 n_rcu_torture_boost_rterror != 0 ||
91596 n_rcu_torture_boost_failure != 0 ||
91597 i > 1) {
91598 pr_cont("%s", "!!! ");
91599 - atomic_inc(&n_rcu_torture_error);
91600 + atomic_inc_unchecked(&n_rcu_torture_error);
91601 WARN_ON_ONCE(1);
91602 }
91603 pr_cont("Reader Pipe: ");
91604 @@ -1215,7 +1215,7 @@ rcu_torture_stats_print(void)
91605 pr_alert("%s%s ", torture_type, TORTURE_FLAG);
91606 pr_cont("Free-Block Circulation: ");
91607 for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
91608 - pr_cont(" %d", atomic_read(&rcu_torture_wcount[i]));
91609 + pr_cont(" %d", atomic_read_unchecked(&rcu_torture_wcount[i]));
91610 }
91611 pr_cont("\n");
91612
91613 @@ -1559,7 +1559,7 @@ rcu_torture_cleanup(void)
91614
91615 rcu_torture_stats_print(); /* -After- the stats thread is stopped! */
91616
91617 - if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
91618 + if (atomic_read_unchecked(&n_rcu_torture_error) || n_rcu_torture_barrier_error)
91619 rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE");
91620 else if (torture_onoff_failures())
91621 rcu_torture_print_module_parms(cur_ops,
91622 @@ -1684,18 +1684,18 @@ rcu_torture_init(void)
91623
91624 rcu_torture_current = NULL;
91625 rcu_torture_current_version = 0;
91626 - atomic_set(&n_rcu_torture_alloc, 0);
91627 - atomic_set(&n_rcu_torture_alloc_fail, 0);
91628 - atomic_set(&n_rcu_torture_free, 0);
91629 - atomic_set(&n_rcu_torture_mberror, 0);
91630 - atomic_set(&n_rcu_torture_error, 0);
91631 + atomic_set_unchecked(&n_rcu_torture_alloc, 0);
91632 + atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0);
91633 + atomic_set_unchecked(&n_rcu_torture_free, 0);
91634 + atomic_set_unchecked(&n_rcu_torture_mberror, 0);
91635 + atomic_set_unchecked(&n_rcu_torture_error, 0);
91636 n_rcu_torture_barrier_error = 0;
91637 n_rcu_torture_boost_ktrerror = 0;
91638 n_rcu_torture_boost_rterror = 0;
91639 n_rcu_torture_boost_failure = 0;
91640 n_rcu_torture_boosts = 0;
91641 for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++)
91642 - atomic_set(&rcu_torture_wcount[i], 0);
91643 + atomic_set_unchecked(&rcu_torture_wcount[i], 0);
91644 for_each_possible_cpu(cpu) {
91645 for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
91646 per_cpu(rcu_torture_count, cpu)[i] = 0;
91647 diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
91648 index c0623fc..329c091 100644
91649 --- a/kernel/rcu/tiny.c
91650 +++ b/kernel/rcu/tiny.c
91651 @@ -42,7 +42,7 @@
91652 /* Forward declarations for tiny_plugin.h. */
91653 struct rcu_ctrlblk;
91654 static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp);
91655 -static void rcu_process_callbacks(struct softirq_action *unused);
91656 +static void rcu_process_callbacks(void);
91657 static void __call_rcu(struct rcu_head *head,
91658 void (*func)(struct rcu_head *rcu),
91659 struct rcu_ctrlblk *rcp);
91660 @@ -310,7 +310,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
91661 false));
91662 }
91663
91664 -static void rcu_process_callbacks(struct softirq_action *unused)
91665 +static __latent_entropy void rcu_process_callbacks(void)
91666 {
91667 __rcu_process_callbacks(&rcu_sched_ctrlblk);
91668 __rcu_process_callbacks(&rcu_bh_ctrlblk);
91669 diff --git a/kernel/rcu/tiny_plugin.h b/kernel/rcu/tiny_plugin.h
91670 index 858c565..7efd915 100644
91671 --- a/kernel/rcu/tiny_plugin.h
91672 +++ b/kernel/rcu/tiny_plugin.h
91673 @@ -152,17 +152,17 @@ static void check_cpu_stall(struct rcu_ctrlblk *rcp)
91674 dump_stack();
91675 }
91676 if (*rcp->curtail && ULONG_CMP_GE(j, js))
91677 - ACCESS_ONCE(rcp->jiffies_stall) = jiffies +
91678 + ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies +
91679 3 * rcu_jiffies_till_stall_check() + 3;
91680 else if (ULONG_CMP_GE(j, js))
91681 - ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check();
91682 + ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check();
91683 }
91684
91685 static void reset_cpu_stall_ticks(struct rcu_ctrlblk *rcp)
91686 {
91687 rcp->ticks_this_gp = 0;
91688 rcp->gp_start = jiffies;
91689 - ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check();
91690 + ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check();
91691 }
91692
91693 static void check_cpu_stalls(void)
91694 diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
91695 index 9815447..2cdf92a 100644
91696 --- a/kernel/rcu/tree.c
91697 +++ b/kernel/rcu/tree.c
91698 @@ -274,7 +274,7 @@ static void rcu_momentary_dyntick_idle(void)
91699 */
91700 rdtp = this_cpu_ptr(&rcu_dynticks);
91701 smp_mb__before_atomic(); /* Earlier stuff before QS. */
91702 - atomic_add(2, &rdtp->dynticks); /* QS. */
91703 + atomic_add_unchecked(2, &rdtp->dynticks); /* QS. */
91704 smp_mb__after_atomic(); /* Later stuff after QS. */
91705 break;
91706 }
91707 @@ -534,9 +534,9 @@ static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval,
91708 rcu_prepare_for_idle(smp_processor_id());
91709 /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
91710 smp_mb__before_atomic(); /* See above. */
91711 - atomic_inc(&rdtp->dynticks);
91712 + atomic_inc_unchecked(&rdtp->dynticks);
91713 smp_mb__after_atomic(); /* Force ordering with next sojourn. */
91714 - WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
91715 + WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
91716 rcu_dynticks_task_enter();
91717
91718 /*
91719 @@ -656,10 +656,10 @@ static void rcu_eqs_exit_common(struct rcu_dynticks *rdtp, long long oldval,
91720 {
91721 rcu_dynticks_task_exit();
91722 smp_mb__before_atomic(); /* Force ordering w/previous sojourn. */
91723 - atomic_inc(&rdtp->dynticks);
91724 + atomic_inc_unchecked(&rdtp->dynticks);
91725 /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
91726 smp_mb__after_atomic(); /* See above. */
91727 - WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
91728 + WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
91729 rcu_cleanup_after_idle(smp_processor_id());
91730 trace_rcu_dyntick(TPS("End"), oldval, rdtp->dynticks_nesting);
91731 if (!user && !is_idle_task(current)) {
91732 @@ -780,14 +780,14 @@ void rcu_nmi_enter(void)
91733 struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks);
91734
91735 if (rdtp->dynticks_nmi_nesting == 0 &&
91736 - (atomic_read(&rdtp->dynticks) & 0x1))
91737 + (atomic_read_unchecked(&rdtp->dynticks) & 0x1))
91738 return;
91739 rdtp->dynticks_nmi_nesting++;
91740 smp_mb__before_atomic(); /* Force delay from prior write. */
91741 - atomic_inc(&rdtp->dynticks);
91742 + atomic_inc_unchecked(&rdtp->dynticks);
91743 /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */
91744 smp_mb__after_atomic(); /* See above. */
91745 - WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1));
91746 + WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1));
91747 }
91748
91749 /**
91750 @@ -806,9 +806,9 @@ void rcu_nmi_exit(void)
91751 return;
91752 /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */
91753 smp_mb__before_atomic(); /* See above. */
91754 - atomic_inc(&rdtp->dynticks);
91755 + atomic_inc_unchecked(&rdtp->dynticks);
91756 smp_mb__after_atomic(); /* Force delay to next write. */
91757 - WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1);
91758 + WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1);
91759 }
91760
91761 /**
91762 @@ -821,7 +821,7 @@ void rcu_nmi_exit(void)
91763 */
91764 bool notrace __rcu_is_watching(void)
91765 {
91766 - return atomic_read(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1;
91767 + return atomic_read_unchecked(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1;
91768 }
91769
91770 /**
91771 @@ -904,7 +904,7 @@ static int rcu_is_cpu_rrupt_from_idle(void)
91772 static int dyntick_save_progress_counter(struct rcu_data *rdp,
91773 bool *isidle, unsigned long *maxj)
91774 {
91775 - rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks);
91776 + rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
91777 rcu_sysidle_check_cpu(rdp, isidle, maxj);
91778 if ((rdp->dynticks_snap & 0x1) == 0) {
91779 trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("dti"));
91780 @@ -933,7 +933,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp,
91781 int *rcrmp;
91782 unsigned int snap;
91783
91784 - curr = (unsigned int)atomic_add_return(0, &rdp->dynticks->dynticks);
91785 + curr = (unsigned int)atomic_add_return_unchecked(0, &rdp->dynticks->dynticks);
91786 snap = (unsigned int)rdp->dynticks_snap;
91787
91788 /*
91789 @@ -996,10 +996,10 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp,
91790 rdp->rsp->gp_start + jiffies_till_sched_qs) ||
91791 ULONG_CMP_GE(jiffies, rdp->rsp->jiffies_resched)) {
91792 if (!(ACCESS_ONCE(*rcrmp) & rdp->rsp->flavor_mask)) {
91793 - ACCESS_ONCE(rdp->cond_resched_completed) =
91794 + ACCESS_ONCE_RW(rdp->cond_resched_completed) =
91795 ACCESS_ONCE(rdp->mynode->completed);
91796 smp_mb(); /* ->cond_resched_completed before *rcrmp. */
91797 - ACCESS_ONCE(*rcrmp) =
91798 + ACCESS_ONCE_RW(*rcrmp) =
91799 ACCESS_ONCE(*rcrmp) + rdp->rsp->flavor_mask;
91800 resched_cpu(rdp->cpu); /* Force CPU into scheduler. */
91801 rdp->rsp->jiffies_resched += 5; /* Enable beating. */
91802 @@ -1021,7 +1021,7 @@ static void record_gp_stall_check_time(struct rcu_state *rsp)
91803 rsp->gp_start = j;
91804 smp_wmb(); /* Record start time before stall time. */
91805 j1 = rcu_jiffies_till_stall_check();
91806 - ACCESS_ONCE(rsp->jiffies_stall) = j + j1;
91807 + ACCESS_ONCE_RW(rsp->jiffies_stall) = j + j1;
91808 rsp->jiffies_resched = j + j1 / 2;
91809 }
91810
91811 @@ -1062,7 +1062,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp)
91812 raw_spin_unlock_irqrestore(&rnp->lock, flags);
91813 return;
91814 }
91815 - ACCESS_ONCE(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3;
91816 + ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3;
91817 raw_spin_unlock_irqrestore(&rnp->lock, flags);
91818
91819 /*
91820 @@ -1139,7 +1139,7 @@ static void print_cpu_stall(struct rcu_state *rsp)
91821
91822 raw_spin_lock_irqsave(&rnp->lock, flags);
91823 if (ULONG_CMP_GE(jiffies, ACCESS_ONCE(rsp->jiffies_stall)))
91824 - ACCESS_ONCE(rsp->jiffies_stall) = jiffies +
91825 + ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies +
91826 3 * rcu_jiffies_till_stall_check() + 3;
91827 raw_spin_unlock_irqrestore(&rnp->lock, flags);
91828
91829 @@ -1223,7 +1223,7 @@ void rcu_cpu_stall_reset(void)
91830 struct rcu_state *rsp;
91831
91832 for_each_rcu_flavor(rsp)
91833 - ACCESS_ONCE(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2;
91834 + ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2;
91835 }
91836
91837 /*
91838 @@ -1609,7 +1609,7 @@ static int rcu_gp_init(struct rcu_state *rsp)
91839 raw_spin_unlock_irq(&rnp->lock);
91840 return 0;
91841 }
91842 - ACCESS_ONCE(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */
91843 + ACCESS_ONCE_RW(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */
91844
91845 if (WARN_ON_ONCE(rcu_gp_in_progress(rsp))) {
91846 /*
91847 @@ -1650,9 +1650,9 @@ static int rcu_gp_init(struct rcu_state *rsp)
91848 rdp = this_cpu_ptr(rsp->rda);
91849 rcu_preempt_check_blocked_tasks(rnp);
91850 rnp->qsmask = rnp->qsmaskinit;
91851 - ACCESS_ONCE(rnp->gpnum) = rsp->gpnum;
91852 + ACCESS_ONCE_RW(rnp->gpnum) = rsp->gpnum;
91853 WARN_ON_ONCE(rnp->completed != rsp->completed);
91854 - ACCESS_ONCE(rnp->completed) = rsp->completed;
91855 + ACCESS_ONCE_RW(rnp->completed) = rsp->completed;
91856 if (rnp == rdp->mynode)
91857 (void)__note_gp_changes(rsp, rnp, rdp);
91858 rcu_preempt_boost_start_gp(rnp);
91859 @@ -1697,7 +1697,7 @@ static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in)
91860 if (ACCESS_ONCE(rsp->gp_flags) & RCU_GP_FLAG_FQS) {
91861 raw_spin_lock_irq(&rnp->lock);
91862 smp_mb__after_unlock_lock();
91863 - ACCESS_ONCE(rsp->gp_flags) =
91864 + ACCESS_ONCE_RW(rsp->gp_flags) =
91865 ACCESS_ONCE(rsp->gp_flags) & ~RCU_GP_FLAG_FQS;
91866 raw_spin_unlock_irq(&rnp->lock);
91867 }
91868 @@ -1743,7 +1743,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp)
91869 rcu_for_each_node_breadth_first(rsp, rnp) {
91870 raw_spin_lock_irq(&rnp->lock);
91871 smp_mb__after_unlock_lock();
91872 - ACCESS_ONCE(rnp->completed) = rsp->gpnum;
91873 + ACCESS_ONCE_RW(rnp->completed) = rsp->gpnum;
91874 rdp = this_cpu_ptr(rsp->rda);
91875 if (rnp == rdp->mynode)
91876 needgp = __note_gp_changes(rsp, rnp, rdp) || needgp;
91877 @@ -1758,14 +1758,14 @@ static void rcu_gp_cleanup(struct rcu_state *rsp)
91878 rcu_nocb_gp_set(rnp, nocb);
91879
91880 /* Declare grace period done. */
91881 - ACCESS_ONCE(rsp->completed) = rsp->gpnum;
91882 + ACCESS_ONCE_RW(rsp->completed) = rsp->gpnum;
91883 trace_rcu_grace_period(rsp->name, rsp->completed, TPS("end"));
91884 rsp->fqs_state = RCU_GP_IDLE;
91885 rdp = this_cpu_ptr(rsp->rda);
91886 /* Advance CBs to reduce false positives below. */
91887 needgp = rcu_advance_cbs(rsp, rnp, rdp) || needgp;
91888 if (needgp || cpu_needs_another_gp(rsp, rdp)) {
91889 - ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT;
91890 + ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT;
91891 trace_rcu_grace_period(rsp->name,
91892 ACCESS_ONCE(rsp->gpnum),
91893 TPS("newreq"));
91894 @@ -1890,7 +1890,7 @@ rcu_start_gp_advanced(struct rcu_state *rsp, struct rcu_node *rnp,
91895 */
91896 return false;
91897 }
91898 - ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT;
91899 + ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT;
91900 trace_rcu_grace_period(rsp->name, ACCESS_ONCE(rsp->gpnum),
91901 TPS("newreq"));
91902
91903 @@ -2111,7 +2111,7 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp,
91904 rsp->qlen += rdp->qlen;
91905 rdp->n_cbs_orphaned += rdp->qlen;
91906 rdp->qlen_lazy = 0;
91907 - ACCESS_ONCE(rdp->qlen) = 0;
91908 + ACCESS_ONCE_RW(rdp->qlen) = 0;
91909 }
91910
91911 /*
91912 @@ -2356,7 +2356,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
91913 }
91914 smp_mb(); /* List handling before counting for rcu_barrier(). */
91915 rdp->qlen_lazy -= count_lazy;
91916 - ACCESS_ONCE(rdp->qlen) = rdp->qlen - count;
91917 + ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen - count;
91918 rdp->n_cbs_invoked += count;
91919
91920 /* Reinstate batch limit if we have worked down the excess. */
91921 @@ -2519,7 +2519,7 @@ static void force_quiescent_state(struct rcu_state *rsp)
91922 raw_spin_unlock_irqrestore(&rnp_old->lock, flags);
91923 return; /* Someone beat us to it. */
91924 }
91925 - ACCESS_ONCE(rsp->gp_flags) =
91926 + ACCESS_ONCE_RW(rsp->gp_flags) =
91927 ACCESS_ONCE(rsp->gp_flags) | RCU_GP_FLAG_FQS;
91928 raw_spin_unlock_irqrestore(&rnp_old->lock, flags);
91929 rcu_gp_kthread_wake(rsp);
91930 @@ -2565,7 +2565,7 @@ __rcu_process_callbacks(struct rcu_state *rsp)
91931 /*
91932 * Do RCU core processing for the current CPU.
91933 */
91934 -static void rcu_process_callbacks(struct softirq_action *unused)
91935 +static void rcu_process_callbacks(void)
91936 {
91937 struct rcu_state *rsp;
91938
91939 @@ -2677,7 +2677,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
91940 WARN_ON_ONCE((unsigned long)head & 0x1); /* Misaligned rcu_head! */
91941 if (debug_rcu_head_queue(head)) {
91942 /* Probable double call_rcu(), so leak the callback. */
91943 - ACCESS_ONCE(head->func) = rcu_leak_callback;
91944 + ACCESS_ONCE_RW(head->func) = rcu_leak_callback;
91945 WARN_ONCE(1, "__call_rcu(): Leaked duplicate callback\n");
91946 return;
91947 }
91948 @@ -2705,7 +2705,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
91949 local_irq_restore(flags);
91950 return;
91951 }
91952 - ACCESS_ONCE(rdp->qlen) = rdp->qlen + 1;
91953 + ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen + 1;
91954 if (lazy)
91955 rdp->qlen_lazy++;
91956 else
91957 @@ -2975,11 +2975,11 @@ void synchronize_sched_expedited(void)
91958 * counter wrap on a 32-bit system. Quite a few more CPUs would of
91959 * course be required on a 64-bit system.
91960 */
91961 - if (ULONG_CMP_GE((ulong)atomic_long_read(&rsp->expedited_start),
91962 + if (ULONG_CMP_GE((ulong)atomic_long_read_unchecked(&rsp->expedited_start),
91963 (ulong)atomic_long_read(&rsp->expedited_done) +
91964 ULONG_MAX / 8)) {
91965 synchronize_sched();
91966 - atomic_long_inc(&rsp->expedited_wrap);
91967 + atomic_long_inc_unchecked(&rsp->expedited_wrap);
91968 return;
91969 }
91970
91971 @@ -2987,12 +2987,12 @@ void synchronize_sched_expedited(void)
91972 * Take a ticket. Note that atomic_inc_return() implies a
91973 * full memory barrier.
91974 */
91975 - snap = atomic_long_inc_return(&rsp->expedited_start);
91976 + snap = atomic_long_inc_return_unchecked(&rsp->expedited_start);
91977 firstsnap = snap;
91978 if (!try_get_online_cpus()) {
91979 /* CPU hotplug operation in flight, fall back to normal GP. */
91980 wait_rcu_gp(call_rcu_sched);
91981 - atomic_long_inc(&rsp->expedited_normal);
91982 + atomic_long_inc_unchecked(&rsp->expedited_normal);
91983 return;
91984 }
91985 WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id()));
91986 @@ -3005,14 +3005,14 @@ void synchronize_sched_expedited(void)
91987 synchronize_sched_expedited_cpu_stop,
91988 NULL) == -EAGAIN) {
91989 put_online_cpus();
91990 - atomic_long_inc(&rsp->expedited_tryfail);
91991 + atomic_long_inc_unchecked(&rsp->expedited_tryfail);
91992
91993 /* Check to see if someone else did our work for us. */
91994 s = atomic_long_read(&rsp->expedited_done);
91995 if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) {
91996 /* ensure test happens before caller kfree */
91997 smp_mb__before_atomic(); /* ^^^ */
91998 - atomic_long_inc(&rsp->expedited_workdone1);
91999 + atomic_long_inc_unchecked(&rsp->expedited_workdone1);
92000 return;
92001 }
92002
92003 @@ -3021,7 +3021,7 @@ void synchronize_sched_expedited(void)
92004 udelay(trycount * num_online_cpus());
92005 } else {
92006 wait_rcu_gp(call_rcu_sched);
92007 - atomic_long_inc(&rsp->expedited_normal);
92008 + atomic_long_inc_unchecked(&rsp->expedited_normal);
92009 return;
92010 }
92011
92012 @@ -3030,7 +3030,7 @@ void synchronize_sched_expedited(void)
92013 if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) {
92014 /* ensure test happens before caller kfree */
92015 smp_mb__before_atomic(); /* ^^^ */
92016 - atomic_long_inc(&rsp->expedited_workdone2);
92017 + atomic_long_inc_unchecked(&rsp->expedited_workdone2);
92018 return;
92019 }
92020
92021 @@ -3044,13 +3044,13 @@ void synchronize_sched_expedited(void)
92022 if (!try_get_online_cpus()) {
92023 /* CPU hotplug operation in flight, use normal GP. */
92024 wait_rcu_gp(call_rcu_sched);
92025 - atomic_long_inc(&rsp->expedited_normal);
92026 + atomic_long_inc_unchecked(&rsp->expedited_normal);
92027 return;
92028 }
92029 - snap = atomic_long_read(&rsp->expedited_start);
92030 + snap = atomic_long_read_unchecked(&rsp->expedited_start);
92031 smp_mb(); /* ensure read is before try_stop_cpus(). */
92032 }
92033 - atomic_long_inc(&rsp->expedited_stoppedcpus);
92034 + atomic_long_inc_unchecked(&rsp->expedited_stoppedcpus);
92035
92036 /*
92037 * Everyone up to our most recent fetch is covered by our grace
92038 @@ -3059,16 +3059,16 @@ void synchronize_sched_expedited(void)
92039 * than we did already did their update.
92040 */
92041 do {
92042 - atomic_long_inc(&rsp->expedited_done_tries);
92043 + atomic_long_inc_unchecked(&rsp->expedited_done_tries);
92044 s = atomic_long_read(&rsp->expedited_done);
92045 if (ULONG_CMP_GE((ulong)s, (ulong)snap)) {
92046 /* ensure test happens before caller kfree */
92047 smp_mb__before_atomic(); /* ^^^ */
92048 - atomic_long_inc(&rsp->expedited_done_lost);
92049 + atomic_long_inc_unchecked(&rsp->expedited_done_lost);
92050 break;
92051 }
92052 } while (atomic_long_cmpxchg(&rsp->expedited_done, s, snap) != s);
92053 - atomic_long_inc(&rsp->expedited_done_exit);
92054 + atomic_long_inc_unchecked(&rsp->expedited_done_exit);
92055
92056 put_online_cpus();
92057 }
92058 @@ -3274,7 +3274,7 @@ static void _rcu_barrier(struct rcu_state *rsp)
92059 * ACCESS_ONCE() to prevent the compiler from speculating
92060 * the increment to precede the early-exit check.
92061 */
92062 - ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1;
92063 + ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1;
92064 WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 1);
92065 _rcu_barrier_trace(rsp, "Inc1", -1, rsp->n_barrier_done);
92066 smp_mb(); /* Order ->n_barrier_done increment with below mechanism. */
92067 @@ -3329,7 +3329,7 @@ static void _rcu_barrier(struct rcu_state *rsp)
92068
92069 /* Increment ->n_barrier_done to prevent duplicate work. */
92070 smp_mb(); /* Keep increment after above mechanism. */
92071 - ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1;
92072 + ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1;
92073 WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 0);
92074 _rcu_barrier_trace(rsp, "Inc2", -1, rsp->n_barrier_done);
92075 smp_mb(); /* Keep increment before caller's subsequent code. */
92076 @@ -3374,10 +3374,10 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
92077 rdp->grpmask = 1UL << (cpu - rdp->mynode->grplo);
92078 init_callback_list(rdp);
92079 rdp->qlen_lazy = 0;
92080 - ACCESS_ONCE(rdp->qlen) = 0;
92081 + ACCESS_ONCE_RW(rdp->qlen) = 0;
92082 rdp->dynticks = &per_cpu(rcu_dynticks, cpu);
92083 WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE);
92084 - WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1);
92085 + WARN_ON_ONCE(atomic_read_unchecked(&rdp->dynticks->dynticks) != 1);
92086 rdp->cpu = cpu;
92087 rdp->rsp = rsp;
92088 rcu_boot_init_nocb_percpu_data(rdp);
92089 @@ -3410,8 +3410,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp)
92090 init_callback_list(rdp); /* Re-enable callbacks on this CPU. */
92091 rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE;
92092 rcu_sysidle_init_percpu_data(rdp->dynticks);
92093 - atomic_set(&rdp->dynticks->dynticks,
92094 - (atomic_read(&rdp->dynticks->dynticks) & ~0x1) + 1);
92095 + atomic_set_unchecked(&rdp->dynticks->dynticks,
92096 + (atomic_read_unchecked(&rdp->dynticks->dynticks) & ~0x1) + 1);
92097 raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */
92098
92099 /* Add CPU to rcu_node bitmasks. */
92100 diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
92101 index bbdc45d..c882ccb 100644
92102 --- a/kernel/rcu/tree.h
92103 +++ b/kernel/rcu/tree.h
92104 @@ -87,11 +87,11 @@ struct rcu_dynticks {
92105 long long dynticks_nesting; /* Track irq/process nesting level. */
92106 /* Process level is worth LLONG_MAX/2. */
92107 int dynticks_nmi_nesting; /* Track NMI nesting level. */
92108 - atomic_t dynticks; /* Even value for idle, else odd. */
92109 + atomic_unchecked_t dynticks;/* Even value for idle, else odd. */
92110 #ifdef CONFIG_NO_HZ_FULL_SYSIDLE
92111 long long dynticks_idle_nesting;
92112 /* irq/process nesting level from idle. */
92113 - atomic_t dynticks_idle; /* Even value for idle, else odd. */
92114 + atomic_unchecked_t dynticks_idle;/* Even value for idle, else odd. */
92115 /* "Idle" excludes userspace execution. */
92116 unsigned long dynticks_idle_jiffies;
92117 /* End of last non-NMI non-idle period. */
92118 @@ -466,17 +466,17 @@ struct rcu_state {
92119 /* _rcu_barrier(). */
92120 /* End of fields guarded by barrier_mutex. */
92121
92122 - atomic_long_t expedited_start; /* Starting ticket. */
92123 - atomic_long_t expedited_done; /* Done ticket. */
92124 - atomic_long_t expedited_wrap; /* # near-wrap incidents. */
92125 - atomic_long_t expedited_tryfail; /* # acquisition failures. */
92126 - atomic_long_t expedited_workdone1; /* # done by others #1. */
92127 - atomic_long_t expedited_workdone2; /* # done by others #2. */
92128 - atomic_long_t expedited_normal; /* # fallbacks to normal. */
92129 - atomic_long_t expedited_stoppedcpus; /* # successful stop_cpus. */
92130 - atomic_long_t expedited_done_tries; /* # tries to update _done. */
92131 - atomic_long_t expedited_done_lost; /* # times beaten to _done. */
92132 - atomic_long_t expedited_done_exit; /* # times exited _done loop. */
92133 + atomic_long_unchecked_t expedited_start; /* Starting ticket. */
92134 + atomic_long_t expedited_done; /* Done ticket. */
92135 + atomic_long_unchecked_t expedited_wrap; /* # near-wrap incidents. */
92136 + atomic_long_unchecked_t expedited_tryfail; /* # acquisition failures. */
92137 + atomic_long_unchecked_t expedited_workdone1; /* # done by others #1. */
92138 + atomic_long_unchecked_t expedited_workdone2; /* # done by others #2. */
92139 + atomic_long_unchecked_t expedited_normal; /* # fallbacks to normal. */
92140 + atomic_long_unchecked_t expedited_stoppedcpus; /* # successful stop_cpus. */
92141 + atomic_long_unchecked_t expedited_done_tries; /* # tries to update _done. */
92142 + atomic_long_unchecked_t expedited_done_lost; /* # times beaten to _done. */
92143 + atomic_long_unchecked_t expedited_done_exit; /* # times exited _done loop. */
92144
92145 unsigned long jiffies_force_qs; /* Time at which to invoke */
92146 /* force_quiescent_state(). */
92147 diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
92148 index c1d7f27..a64bf49 100644
92149 --- a/kernel/rcu/tree_plugin.h
92150 +++ b/kernel/rcu/tree_plugin.h
92151 @@ -709,7 +709,7 @@ static int rcu_preempted_readers_exp(struct rcu_node *rnp)
92152 static int sync_rcu_preempt_exp_done(struct rcu_node *rnp)
92153 {
92154 return !rcu_preempted_readers_exp(rnp) &&
92155 - ACCESS_ONCE(rnp->expmask) == 0;
92156 + ACCESS_ONCE_RW(rnp->expmask) == 0;
92157 }
92158
92159 /*
92160 @@ -870,7 +870,7 @@ void synchronize_rcu_expedited(void)
92161
92162 /* Clean up and exit. */
92163 smp_mb(); /* ensure expedited GP seen before counter increment. */
92164 - ACCESS_ONCE(sync_rcu_preempt_exp_count) =
92165 + ACCESS_ONCE_RW(sync_rcu_preempt_exp_count) =
92166 sync_rcu_preempt_exp_count + 1;
92167 unlock_mb_ret:
92168 mutex_unlock(&sync_rcu_preempt_exp_mutex);
92169 @@ -1426,7 +1426,7 @@ static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu)
92170 free_cpumask_var(cm);
92171 }
92172
92173 -static struct smp_hotplug_thread rcu_cpu_thread_spec = {
92174 +static struct smp_hotplug_thread rcu_cpu_thread_spec __read_only = {
92175 .store = &rcu_cpu_kthread_task,
92176 .thread_should_run = rcu_cpu_kthread_should_run,
92177 .thread_fn = rcu_cpu_kthread,
92178 @@ -1900,7 +1900,7 @@ static void print_cpu_stall_info(struct rcu_state *rsp, int cpu)
92179 print_cpu_stall_fast_no_hz(fast_no_hz, cpu);
92180 pr_err("\t%d: (%lu %s) idle=%03x/%llx/%d softirq=%u/%u %s\n",
92181 cpu, ticks_value, ticks_title,
92182 - atomic_read(&rdtp->dynticks) & 0xfff,
92183 + atomic_read_unchecked(&rdtp->dynticks) & 0xfff,
92184 rdtp->dynticks_nesting, rdtp->dynticks_nmi_nesting,
92185 rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu),
92186 fast_no_hz);
92187 @@ -2044,7 +2044,7 @@ static void wake_nocb_leader(struct rcu_data *rdp, bool force)
92188 return;
92189 if (ACCESS_ONCE(rdp_leader->nocb_leader_sleep) || force) {
92190 /* Prior smp_mb__after_atomic() orders against prior enqueue. */
92191 - ACCESS_ONCE(rdp_leader->nocb_leader_sleep) = false;
92192 + ACCESS_ONCE_RW(rdp_leader->nocb_leader_sleep) = false;
92193 wake_up(&rdp_leader->nocb_wq);
92194 }
92195 }
92196 @@ -2096,7 +2096,7 @@ static void __call_rcu_nocb_enqueue(struct rcu_data *rdp,
92197
92198 /* Enqueue the callback on the nocb list and update counts. */
92199 old_rhpp = xchg(&rdp->nocb_tail, rhtp);
92200 - ACCESS_ONCE(*old_rhpp) = rhp;
92201 + ACCESS_ONCE_RW(*old_rhpp) = rhp;
92202 atomic_long_add(rhcount, &rdp->nocb_q_count);
92203 atomic_long_add(rhcount_lazy, &rdp->nocb_q_count_lazy);
92204 smp_mb__after_atomic(); /* Store *old_rhpp before _wake test. */
92205 @@ -2286,7 +2286,7 @@ wait_again:
92206 continue; /* No CBs here, try next follower. */
92207
92208 /* Move callbacks to wait-for-GP list, which is empty. */
92209 - ACCESS_ONCE(rdp->nocb_head) = NULL;
92210 + ACCESS_ONCE_RW(rdp->nocb_head) = NULL;
92211 rdp->nocb_gp_tail = xchg(&rdp->nocb_tail, &rdp->nocb_head);
92212 rdp->nocb_gp_count = atomic_long_xchg(&rdp->nocb_q_count, 0);
92213 rdp->nocb_gp_count_lazy =
92214 @@ -2413,7 +2413,7 @@ static int rcu_nocb_kthread(void *arg)
92215 list = ACCESS_ONCE(rdp->nocb_follower_head);
92216 BUG_ON(!list);
92217 trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, "WokeNonEmpty");
92218 - ACCESS_ONCE(rdp->nocb_follower_head) = NULL;
92219 + ACCESS_ONCE_RW(rdp->nocb_follower_head) = NULL;
92220 tail = xchg(&rdp->nocb_follower_tail, &rdp->nocb_follower_head);
92221 c = atomic_long_xchg(&rdp->nocb_follower_count, 0);
92222 cl = atomic_long_xchg(&rdp->nocb_follower_count_lazy, 0);
92223 @@ -2443,8 +2443,8 @@ static int rcu_nocb_kthread(void *arg)
92224 list = next;
92225 }
92226 trace_rcu_batch_end(rdp->rsp->name, c, !!list, 0, 0, 1);
92227 - ACCESS_ONCE(rdp->nocb_p_count) = rdp->nocb_p_count - c;
92228 - ACCESS_ONCE(rdp->nocb_p_count_lazy) =
92229 + ACCESS_ONCE_RW(rdp->nocb_p_count) = rdp->nocb_p_count - c;
92230 + ACCESS_ONCE_RW(rdp->nocb_p_count_lazy) =
92231 rdp->nocb_p_count_lazy - cl;
92232 rdp->n_nocbs_invoked += c;
92233 }
92234 @@ -2465,7 +2465,7 @@ static void do_nocb_deferred_wakeup(struct rcu_data *rdp)
92235 if (!rcu_nocb_need_deferred_wakeup(rdp))
92236 return;
92237 ndw = ACCESS_ONCE(rdp->nocb_defer_wakeup);
92238 - ACCESS_ONCE(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT;
92239 + ACCESS_ONCE_RW(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT;
92240 wake_nocb_leader(rdp, ndw == RCU_NOGP_WAKE_FORCE);
92241 trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, TPS("DeferredWake"));
92242 }
92243 @@ -2584,7 +2584,7 @@ static void rcu_spawn_one_nocb_kthread(struct rcu_state *rsp, int cpu)
92244 t = kthread_run(rcu_nocb_kthread, rdp_spawn,
92245 "rcuo%c/%d", rsp->abbr, cpu);
92246 BUG_ON(IS_ERR(t));
92247 - ACCESS_ONCE(rdp_spawn->nocb_kthread) = t;
92248 + ACCESS_ONCE_RW(rdp_spawn->nocb_kthread) = t;
92249 }
92250
92251 /*
92252 @@ -2788,11 +2788,11 @@ static void rcu_sysidle_enter(struct rcu_dynticks *rdtp, int irq)
92253
92254 /* Record start of fully idle period. */
92255 j = jiffies;
92256 - ACCESS_ONCE(rdtp->dynticks_idle_jiffies) = j;
92257 + ACCESS_ONCE_RW(rdtp->dynticks_idle_jiffies) = j;
92258 smp_mb__before_atomic();
92259 - atomic_inc(&rdtp->dynticks_idle);
92260 + atomic_inc_unchecked(&rdtp->dynticks_idle);
92261 smp_mb__after_atomic();
92262 - WARN_ON_ONCE(atomic_read(&rdtp->dynticks_idle) & 0x1);
92263 + WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1);
92264 }
92265
92266 /*
92267 @@ -2861,9 +2861,9 @@ static void rcu_sysidle_exit(struct rcu_dynticks *rdtp, int irq)
92268
92269 /* Record end of idle period. */
92270 smp_mb__before_atomic();
92271 - atomic_inc(&rdtp->dynticks_idle);
92272 + atomic_inc_unchecked(&rdtp->dynticks_idle);
92273 smp_mb__after_atomic();
92274 - WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks_idle) & 0x1));
92275 + WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1));
92276
92277 /*
92278 * If we are the timekeeping CPU, we are permitted to be non-idle
92279 @@ -2908,7 +2908,7 @@ static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle,
92280 WARN_ON_ONCE(smp_processor_id() != tick_do_timer_cpu);
92281
92282 /* Pick up current idle and NMI-nesting counter and check. */
92283 - cur = atomic_read(&rdtp->dynticks_idle);
92284 + cur = atomic_read_unchecked(&rdtp->dynticks_idle);
92285 if (cur & 0x1) {
92286 *isidle = false; /* We are not idle! */
92287 return;
92288 @@ -2957,7 +2957,7 @@ static void rcu_sysidle(unsigned long j)
92289 case RCU_SYSIDLE_NOT:
92290
92291 /* First time all are idle, so note a short idle period. */
92292 - ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_SHORT;
92293 + ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_SHORT;
92294 break;
92295
92296 case RCU_SYSIDLE_SHORT:
92297 @@ -2995,7 +2995,7 @@ static void rcu_sysidle_cancel(void)
92298 {
92299 smp_mb();
92300 if (full_sysidle_state > RCU_SYSIDLE_SHORT)
92301 - ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_NOT;
92302 + ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_NOT;
92303 }
92304
92305 /*
92306 @@ -3047,7 +3047,7 @@ static void rcu_sysidle_cb(struct rcu_head *rhp)
92307 smp_mb(); /* grace period precedes setting inuse. */
92308
92309 rshp = container_of(rhp, struct rcu_sysidle_head, rh);
92310 - ACCESS_ONCE(rshp->inuse) = 0;
92311 + ACCESS_ONCE_RW(rshp->inuse) = 0;
92312 }
92313
92314 /*
92315 @@ -3200,7 +3200,7 @@ static void rcu_bind_gp_kthread(void)
92316 static void rcu_dynticks_task_enter(void)
92317 {
92318 #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL)
92319 - ACCESS_ONCE(current->rcu_tasks_idle_cpu) = smp_processor_id();
92320 + ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = smp_processor_id();
92321 #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */
92322 }
92323
92324 @@ -3208,6 +3208,6 @@ static void rcu_dynticks_task_enter(void)
92325 static void rcu_dynticks_task_exit(void)
92326 {
92327 #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL)
92328 - ACCESS_ONCE(current->rcu_tasks_idle_cpu) = -1;
92329 + ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = -1;
92330 #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */
92331 }
92332 diff --git a/kernel/rcu/tree_trace.c b/kernel/rcu/tree_trace.c
92333 index 5cdc62e..cc52e88 100644
92334 --- a/kernel/rcu/tree_trace.c
92335 +++ b/kernel/rcu/tree_trace.c
92336 @@ -121,7 +121,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
92337 ulong2long(rdp->completed), ulong2long(rdp->gpnum),
92338 rdp->passed_quiesce, rdp->qs_pending);
92339 seq_printf(m, " dt=%d/%llx/%d df=%lu",
92340 - atomic_read(&rdp->dynticks->dynticks),
92341 + atomic_read_unchecked(&rdp->dynticks->dynticks),
92342 rdp->dynticks->dynticks_nesting,
92343 rdp->dynticks->dynticks_nmi_nesting,
92344 rdp->dynticks_fqs);
92345 @@ -182,17 +182,17 @@ static int show_rcuexp(struct seq_file *m, void *v)
92346 struct rcu_state *rsp = (struct rcu_state *)m->private;
92347
92348 seq_printf(m, "s=%lu d=%lu w=%lu tf=%lu wd1=%lu wd2=%lu n=%lu sc=%lu dt=%lu dl=%lu dx=%lu\n",
92349 - atomic_long_read(&rsp->expedited_start),
92350 + atomic_long_read_unchecked(&rsp->expedited_start),
92351 atomic_long_read(&rsp->expedited_done),
92352 - atomic_long_read(&rsp->expedited_wrap),
92353 - atomic_long_read(&rsp->expedited_tryfail),
92354 - atomic_long_read(&rsp->expedited_workdone1),
92355 - atomic_long_read(&rsp->expedited_workdone2),
92356 - atomic_long_read(&rsp->expedited_normal),
92357 - atomic_long_read(&rsp->expedited_stoppedcpus),
92358 - atomic_long_read(&rsp->expedited_done_tries),
92359 - atomic_long_read(&rsp->expedited_done_lost),
92360 - atomic_long_read(&rsp->expedited_done_exit));
92361 + atomic_long_read_unchecked(&rsp->expedited_wrap),
92362 + atomic_long_read_unchecked(&rsp->expedited_tryfail),
92363 + atomic_long_read_unchecked(&rsp->expedited_workdone1),
92364 + atomic_long_read_unchecked(&rsp->expedited_workdone2),
92365 + atomic_long_read_unchecked(&rsp->expedited_normal),
92366 + atomic_long_read_unchecked(&rsp->expedited_stoppedcpus),
92367 + atomic_long_read_unchecked(&rsp->expedited_done_tries),
92368 + atomic_long_read_unchecked(&rsp->expedited_done_lost),
92369 + atomic_long_read_unchecked(&rsp->expedited_done_exit));
92370 return 0;
92371 }
92372
92373 diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
92374 index 3ef8ba5..8c5ebfb6 100644
92375 --- a/kernel/rcu/update.c
92376 +++ b/kernel/rcu/update.c
92377 @@ -342,10 +342,10 @@ int rcu_jiffies_till_stall_check(void)
92378 * for CONFIG_RCU_CPU_STALL_TIMEOUT.
92379 */
92380 if (till_stall_check < 3) {
92381 - ACCESS_ONCE(rcu_cpu_stall_timeout) = 3;
92382 + ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 3;
92383 till_stall_check = 3;
92384 } else if (till_stall_check > 300) {
92385 - ACCESS_ONCE(rcu_cpu_stall_timeout) = 300;
92386 + ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 300;
92387 till_stall_check = 300;
92388 }
92389 return till_stall_check * HZ + RCU_STALL_DELAY_DELTA;
92390 @@ -501,7 +501,7 @@ static void check_holdout_task(struct task_struct *t,
92391 !ACCESS_ONCE(t->on_rq) ||
92392 (IS_ENABLED(CONFIG_NO_HZ_FULL) &&
92393 !is_idle_task(t) && t->rcu_tasks_idle_cpu >= 0)) {
92394 - ACCESS_ONCE(t->rcu_tasks_holdout) = false;
92395 + ACCESS_ONCE_RW(t->rcu_tasks_holdout) = false;
92396 list_del_init(&t->rcu_tasks_holdout_list);
92397 put_task_struct(t);
92398 return;
92399 @@ -588,7 +588,7 @@ static int __noreturn rcu_tasks_kthread(void *arg)
92400 !is_idle_task(t)) {
92401 get_task_struct(t);
92402 t->rcu_tasks_nvcsw = ACCESS_ONCE(t->nvcsw);
92403 - ACCESS_ONCE(t->rcu_tasks_holdout) = true;
92404 + ACCESS_ONCE_RW(t->rcu_tasks_holdout) = true;
92405 list_add(&t->rcu_tasks_holdout_list,
92406 &rcu_tasks_holdouts);
92407 }
92408 @@ -685,7 +685,7 @@ static void rcu_spawn_tasks_kthread(void)
92409 t = kthread_run(rcu_tasks_kthread, NULL, "rcu_tasks_kthread");
92410 BUG_ON(IS_ERR(t));
92411 smp_mb(); /* Ensure others see full kthread. */
92412 - ACCESS_ONCE(rcu_tasks_kthread_ptr) = t;
92413 + ACCESS_ONCE_RW(rcu_tasks_kthread_ptr) = t;
92414 mutex_unlock(&rcu_tasks_kthread_mutex);
92415 }
92416
92417 diff --git a/kernel/resource.c b/kernel/resource.c
92418 index 0bcebff..e7cd5b2 100644
92419 --- a/kernel/resource.c
92420 +++ b/kernel/resource.c
92421 @@ -161,8 +161,18 @@ static const struct file_operations proc_iomem_operations = {
92422
92423 static int __init ioresources_init(void)
92424 {
92425 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
92426 +#ifdef CONFIG_GRKERNSEC_PROC_USER
92427 + proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations);
92428 + proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations);
92429 +#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
92430 + proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations);
92431 + proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations);
92432 +#endif
92433 +#else
92434 proc_create("ioports", 0, NULL, &proc_ioports_operations);
92435 proc_create("iomem", 0, NULL, &proc_iomem_operations);
92436 +#endif
92437 return 0;
92438 }
92439 __initcall(ioresources_init);
92440 diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c
92441 index 8a2e230..6020954 100644
92442 --- a/kernel/sched/auto_group.c
92443 +++ b/kernel/sched/auto_group.c
92444 @@ -11,7 +11,7 @@
92445
92446 unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
92447 static struct autogroup autogroup_default;
92448 -static atomic_t autogroup_seq_nr;
92449 +static atomic_unchecked_t autogroup_seq_nr;
92450
92451 void __init autogroup_init(struct task_struct *init_task)
92452 {
92453 @@ -79,7 +79,7 @@ static inline struct autogroup *autogroup_create(void)
92454
92455 kref_init(&ag->kref);
92456 init_rwsem(&ag->lock);
92457 - ag->id = atomic_inc_return(&autogroup_seq_nr);
92458 + ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr);
92459 ag->tg = tg;
92460 #ifdef CONFIG_RT_GROUP_SCHED
92461 /*
92462 diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
92463 index a63f4dc..349bbb0 100644
92464 --- a/kernel/sched/completion.c
92465 +++ b/kernel/sched/completion.c
92466 @@ -204,7 +204,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible);
92467 * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1,
92468 * or number of jiffies left till timeout) if completed.
92469 */
92470 -long __sched
92471 +long __sched __intentional_overflow(-1)
92472 wait_for_completion_interruptible_timeout(struct completion *x,
92473 unsigned long timeout)
92474 {
92475 @@ -221,7 +221,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout);
92476 *
92477 * Return: -ERESTARTSYS if interrupted, 0 if completed.
92478 */
92479 -int __sched wait_for_completion_killable(struct completion *x)
92480 +int __sched __intentional_overflow(-1) wait_for_completion_killable(struct completion *x)
92481 {
92482 long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE);
92483 if (t == -ERESTARTSYS)
92484 @@ -242,7 +242,7 @@ EXPORT_SYMBOL(wait_for_completion_killable);
92485 * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1,
92486 * or number of jiffies left till timeout) if completed.
92487 */
92488 -long __sched
92489 +long __sched __intentional_overflow(-1)
92490 wait_for_completion_killable_timeout(struct completion *x,
92491 unsigned long timeout)
92492 {
92493 diff --git a/kernel/sched/core.c b/kernel/sched/core.c
92494 index efdca2f..e361dfb 100644
92495 --- a/kernel/sched/core.c
92496 +++ b/kernel/sched/core.c
92497 @@ -1890,7 +1890,7 @@ void set_numabalancing_state(bool enabled)
92498 int sysctl_numa_balancing(struct ctl_table *table, int write,
92499 void __user *buffer, size_t *lenp, loff_t *ppos)
92500 {
92501 - struct ctl_table t;
92502 + ctl_table_no_const t;
92503 int err;
92504 int state = numabalancing_enabled;
92505
92506 @@ -2353,8 +2353,10 @@ context_switch(struct rq *rq, struct task_struct *prev,
92507 next->active_mm = oldmm;
92508 atomic_inc(&oldmm->mm_count);
92509 enter_lazy_tlb(oldmm, next);
92510 - } else
92511 + } else {
92512 switch_mm(oldmm, mm, next);
92513 + populate_stack();
92514 + }
92515
92516 if (!prev->mm) {
92517 prev->active_mm = NULL;
92518 @@ -3165,6 +3167,8 @@ int can_nice(const struct task_struct *p, const int nice)
92519 /* convert nice value [19,-20] to rlimit style value [1,40] */
92520 int nice_rlim = nice_to_rlimit(nice);
92521
92522 + gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1);
92523 +
92524 return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
92525 capable(CAP_SYS_NICE));
92526 }
92527 @@ -3191,7 +3195,8 @@ SYSCALL_DEFINE1(nice, int, increment)
92528 nice = task_nice(current) + increment;
92529
92530 nice = clamp_val(nice, MIN_NICE, MAX_NICE);
92531 - if (increment < 0 && !can_nice(current, nice))
92532 + if (increment < 0 && (!can_nice(current, nice) ||
92533 + gr_handle_chroot_nice()))
92534 return -EPERM;
92535
92536 retval = security_task_setnice(current, nice);
92537 @@ -3470,6 +3475,7 @@ recheck:
92538 if (policy != p->policy && !rlim_rtprio)
92539 return -EPERM;
92540
92541 + gr_learn_resource(p, RLIMIT_RTPRIO, attr->sched_priority, 1);
92542 /* can't increase priority */
92543 if (attr->sched_priority > p->rt_priority &&
92544 attr->sched_priority > rlim_rtprio)
92545 @@ -4890,6 +4896,7 @@ void idle_task_exit(void)
92546
92547 if (mm != &init_mm) {
92548 switch_mm(mm, &init_mm, current);
92549 + populate_stack();
92550 finish_arch_post_lock_switch();
92551 }
92552 mmdrop(mm);
92553 @@ -4985,7 +4992,7 @@ static void migrate_tasks(unsigned int dead_cpu)
92554
92555 #if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_SYSCTL)
92556
92557 -static struct ctl_table sd_ctl_dir[] = {
92558 +static ctl_table_no_const sd_ctl_dir[] __read_only = {
92559 {
92560 .procname = "sched_domain",
92561 .mode = 0555,
92562 @@ -5002,17 +5009,17 @@ static struct ctl_table sd_ctl_root[] = {
92563 {}
92564 };
92565
92566 -static struct ctl_table *sd_alloc_ctl_entry(int n)
92567 +static ctl_table_no_const *sd_alloc_ctl_entry(int n)
92568 {
92569 - struct ctl_table *entry =
92570 + ctl_table_no_const *entry =
92571 kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL);
92572
92573 return entry;
92574 }
92575
92576 -static void sd_free_ctl_entry(struct ctl_table **tablep)
92577 +static void sd_free_ctl_entry(ctl_table_no_const *tablep)
92578 {
92579 - struct ctl_table *entry;
92580 + ctl_table_no_const *entry;
92581
92582 /*
92583 * In the intermediate directories, both the child directory and
92584 @@ -5020,22 +5027,25 @@ static void sd_free_ctl_entry(struct ctl_table **tablep)
92585 * will always be set. In the lowest directory the names are
92586 * static strings and all have proc handlers.
92587 */
92588 - for (entry = *tablep; entry->mode; entry++) {
92589 - if (entry->child)
92590 - sd_free_ctl_entry(&entry->child);
92591 + for (entry = tablep; entry->mode; entry++) {
92592 + if (entry->child) {
92593 + sd_free_ctl_entry(entry->child);
92594 + pax_open_kernel();
92595 + entry->child = NULL;
92596 + pax_close_kernel();
92597 + }
92598 if (entry->proc_handler == NULL)
92599 kfree(entry->procname);
92600 }
92601
92602 - kfree(*tablep);
92603 - *tablep = NULL;
92604 + kfree(tablep);
92605 }
92606
92607 static int min_load_idx = 0;
92608 static int max_load_idx = CPU_LOAD_IDX_MAX-1;
92609
92610 static void
92611 -set_table_entry(struct ctl_table *entry,
92612 +set_table_entry(ctl_table_no_const *entry,
92613 const char *procname, void *data, int maxlen,
92614 umode_t mode, proc_handler *proc_handler,
92615 bool load_idx)
92616 @@ -5055,7 +5065,7 @@ set_table_entry(struct ctl_table *entry,
92617 static struct ctl_table *
92618 sd_alloc_ctl_domain_table(struct sched_domain *sd)
92619 {
92620 - struct ctl_table *table = sd_alloc_ctl_entry(14);
92621 + ctl_table_no_const *table = sd_alloc_ctl_entry(14);
92622
92623 if (table == NULL)
92624 return NULL;
92625 @@ -5093,9 +5103,9 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd)
92626 return table;
92627 }
92628
92629 -static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu)
92630 +static ctl_table_no_const *sd_alloc_ctl_cpu_table(int cpu)
92631 {
92632 - struct ctl_table *entry, *table;
92633 + ctl_table_no_const *entry, *table;
92634 struct sched_domain *sd;
92635 int domain_num = 0, i;
92636 char buf[32];
92637 @@ -5122,11 +5132,13 @@ static struct ctl_table_header *sd_sysctl_header;
92638 static void register_sched_domain_sysctl(void)
92639 {
92640 int i, cpu_num = num_possible_cpus();
92641 - struct ctl_table *entry = sd_alloc_ctl_entry(cpu_num + 1);
92642 + ctl_table_no_const *entry = sd_alloc_ctl_entry(cpu_num + 1);
92643 char buf[32];
92644
92645 WARN_ON(sd_ctl_dir[0].child);
92646 + pax_open_kernel();
92647 sd_ctl_dir[0].child = entry;
92648 + pax_close_kernel();
92649
92650 if (entry == NULL)
92651 return;
92652 @@ -5149,8 +5161,12 @@ static void unregister_sched_domain_sysctl(void)
92653 if (sd_sysctl_header)
92654 unregister_sysctl_table(sd_sysctl_header);
92655 sd_sysctl_header = NULL;
92656 - if (sd_ctl_dir[0].child)
92657 - sd_free_ctl_entry(&sd_ctl_dir[0].child);
92658 + if (sd_ctl_dir[0].child) {
92659 + sd_free_ctl_entry(sd_ctl_dir[0].child);
92660 + pax_open_kernel();
92661 + sd_ctl_dir[0].child = NULL;
92662 + pax_close_kernel();
92663 + }
92664 }
92665 #else
92666 static void register_sched_domain_sysctl(void)
92667 diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
92668 index ef2b104..69961f6 100644
92669 --- a/kernel/sched/fair.c
92670 +++ b/kernel/sched/fair.c
92671 @@ -1906,7 +1906,7 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags)
92672
92673 static void reset_ptenuma_scan(struct task_struct *p)
92674 {
92675 - ACCESS_ONCE(p->mm->numa_scan_seq)++;
92676 + ACCESS_ONCE_RW(p->mm->numa_scan_seq)++;
92677 p->mm->numa_scan_offset = 0;
92678 }
92679
92680 @@ -7465,7 +7465,7 @@ static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { }
92681 * run_rebalance_domains is triggered when needed from the scheduler tick.
92682 * Also triggered for nohz idle balancing (with nohz_balancing_kick set).
92683 */
92684 -static void run_rebalance_domains(struct softirq_action *h)
92685 +static __latent_entropy void run_rebalance_domains(void)
92686 {
92687 struct rq *this_rq = this_rq();
92688 enum cpu_idle_type idle = this_rq->idle_balance ?
92689 diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
92690 index 2df8ef0..aae070f 100644
92691 --- a/kernel/sched/sched.h
92692 +++ b/kernel/sched/sched.h
92693 @@ -1140,7 +1140,7 @@ struct sched_class {
92694 #ifdef CONFIG_FAIR_GROUP_SCHED
92695 void (*task_move_group) (struct task_struct *p, int on_rq);
92696 #endif
92697 -};
92698 +} __do_const;
92699
92700 static inline void put_prev_task(struct rq *rq, struct task_struct *prev)
92701 {
92702 diff --git a/kernel/signal.c b/kernel/signal.c
92703 index 8f0876f..1153a5a 100644
92704 --- a/kernel/signal.c
92705 +++ b/kernel/signal.c
92706 @@ -53,12 +53,12 @@ static struct kmem_cache *sigqueue_cachep;
92707
92708 int print_fatal_signals __read_mostly;
92709
92710 -static void __user *sig_handler(struct task_struct *t, int sig)
92711 +static __sighandler_t sig_handler(struct task_struct *t, int sig)
92712 {
92713 return t->sighand->action[sig - 1].sa.sa_handler;
92714 }
92715
92716 -static int sig_handler_ignored(void __user *handler, int sig)
92717 +static int sig_handler_ignored(__sighandler_t handler, int sig)
92718 {
92719 /* Is it explicitly or implicitly ignored? */
92720 return handler == SIG_IGN ||
92721 @@ -67,7 +67,7 @@ static int sig_handler_ignored(void __user *handler, int sig)
92722
92723 static int sig_task_ignored(struct task_struct *t, int sig, bool force)
92724 {
92725 - void __user *handler;
92726 + __sighandler_t handler;
92727
92728 handler = sig_handler(t, sig);
92729
92730 @@ -372,6 +372,9 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi
92731 atomic_inc(&user->sigpending);
92732 rcu_read_unlock();
92733
92734 + if (!override_rlimit)
92735 + gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1);
92736 +
92737 if (override_rlimit ||
92738 atomic_read(&user->sigpending) <=
92739 task_rlimit(t, RLIMIT_SIGPENDING)) {
92740 @@ -499,7 +502,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
92741
92742 int unhandled_signal(struct task_struct *tsk, int sig)
92743 {
92744 - void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler;
92745 + __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler;
92746 if (is_global_init(tsk))
92747 return 1;
92748 if (handler != SIG_IGN && handler != SIG_DFL)
92749 @@ -793,6 +796,13 @@ static int check_kill_permission(int sig, struct siginfo *info,
92750 }
92751 }
92752
92753 + /* allow glibc communication via tgkill to other threads in our
92754 + thread group */
92755 + if ((info == SEND_SIG_NOINFO || info->si_code != SI_TKILL ||
92756 + sig != (SIGRTMIN+1) || task_tgid_vnr(t) != info->si_pid)
92757 + && gr_handle_signal(t, sig))
92758 + return -EPERM;
92759 +
92760 return security_task_kill(t, info, sig, 0);
92761 }
92762
92763 @@ -1176,7 +1186,7 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
92764 return send_signal(sig, info, p, 1);
92765 }
92766
92767 -static int
92768 +int
92769 specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
92770 {
92771 return send_signal(sig, info, t, 0);
92772 @@ -1213,6 +1223,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
92773 unsigned long int flags;
92774 int ret, blocked, ignored;
92775 struct k_sigaction *action;
92776 + int is_unhandled = 0;
92777
92778 spin_lock_irqsave(&t->sighand->siglock, flags);
92779 action = &t->sighand->action[sig-1];
92780 @@ -1227,9 +1238,18 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
92781 }
92782 if (action->sa.sa_handler == SIG_DFL)
92783 t->signal->flags &= ~SIGNAL_UNKILLABLE;
92784 + if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL)
92785 + is_unhandled = 1;
92786 ret = specific_send_sig_info(sig, info, t);
92787 spin_unlock_irqrestore(&t->sighand->siglock, flags);
92788
92789 + /* only deal with unhandled signals, java etc trigger SIGSEGV during
92790 + normal operation */
92791 + if (is_unhandled) {
92792 + gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t);
92793 + gr_handle_crash(t, sig);
92794 + }
92795 +
92796 return ret;
92797 }
92798
92799 @@ -1300,8 +1320,11 @@ int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
92800 ret = check_kill_permission(sig, info, p);
92801 rcu_read_unlock();
92802
92803 - if (!ret && sig)
92804 + if (!ret && sig) {
92805 ret = do_send_sig_info(sig, info, p, true);
92806 + if (!ret)
92807 + gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p);
92808 + }
92809
92810 return ret;
92811 }
92812 @@ -2903,7 +2926,15 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info)
92813 int error = -ESRCH;
92814
92815 rcu_read_lock();
92816 - p = find_task_by_vpid(pid);
92817 +#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK
92818 + /* allow glibc communication via tgkill to other threads in our
92819 + thread group */
92820 + if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL &&
92821 + sig == (SIGRTMIN+1) && tgid == info->si_pid)
92822 + p = find_task_by_vpid_unrestricted(pid);
92823 + else
92824 +#endif
92825 + p = find_task_by_vpid(pid);
92826 if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) {
92827 error = check_kill_permission(sig, info, p);
92828 /*
92829 @@ -3236,8 +3267,8 @@ COMPAT_SYSCALL_DEFINE2(sigaltstack,
92830 }
92831 seg = get_fs();
92832 set_fs(KERNEL_DS);
92833 - ret = do_sigaltstack((stack_t __force __user *) (uss_ptr ? &uss : NULL),
92834 - (stack_t __force __user *) &uoss,
92835 + ret = do_sigaltstack((stack_t __force_user *) (uss_ptr ? &uss : NULL),
92836 + (stack_t __force_user *) &uoss,
92837 compat_user_stack_pointer());
92838 set_fs(seg);
92839 if (ret >= 0 && uoss_ptr) {
92840 diff --git a/kernel/smpboot.c b/kernel/smpboot.c
92841 index eb89e18..a4e6792 100644
92842 --- a/kernel/smpboot.c
92843 +++ b/kernel/smpboot.c
92844 @@ -288,7 +288,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
92845 }
92846 smpboot_unpark_thread(plug_thread, cpu);
92847 }
92848 - list_add(&plug_thread->list, &hotplug_threads);
92849 + pax_list_add(&plug_thread->list, &hotplug_threads);
92850 out:
92851 mutex_unlock(&smpboot_threads_lock);
92852 return ret;
92853 @@ -305,7 +305,7 @@ void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread)
92854 {
92855 get_online_cpus();
92856 mutex_lock(&smpboot_threads_lock);
92857 - list_del(&plug_thread->list);
92858 + pax_list_del(&plug_thread->list);
92859 smpboot_destroy_threads(plug_thread);
92860 mutex_unlock(&smpboot_threads_lock);
92861 put_online_cpus();
92862 diff --git a/kernel/softirq.c b/kernel/softirq.c
92863 index 0699add..d365ad8 100644
92864 --- a/kernel/softirq.c
92865 +++ b/kernel/softirq.c
92866 @@ -53,7 +53,7 @@ irq_cpustat_t irq_stat[NR_CPUS] ____cacheline_aligned;
92867 EXPORT_SYMBOL(irq_stat);
92868 #endif
92869
92870 -static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp;
92871 +static struct softirq_action softirq_vec[NR_SOFTIRQS] __read_only __aligned(PAGE_SIZE);
92872
92873 DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
92874
92875 @@ -266,7 +266,7 @@ restart:
92876 kstat_incr_softirqs_this_cpu(vec_nr);
92877
92878 trace_softirq_entry(vec_nr);
92879 - h->action(h);
92880 + h->action();
92881 trace_softirq_exit(vec_nr);
92882 if (unlikely(prev_count != preempt_count())) {
92883 pr_err("huh, entered softirq %u %s %p with preempt_count %08x, exited with %08x?\n",
92884 @@ -426,7 +426,7 @@ void __raise_softirq_irqoff(unsigned int nr)
92885 or_softirq_pending(1UL << nr);
92886 }
92887
92888 -void open_softirq(int nr, void (*action)(struct softirq_action *))
92889 +void __init open_softirq(int nr, void (*action)(void))
92890 {
92891 softirq_vec[nr].action = action;
92892 }
92893 @@ -478,7 +478,7 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t)
92894 }
92895 EXPORT_SYMBOL(__tasklet_hi_schedule_first);
92896
92897 -static void tasklet_action(struct softirq_action *a)
92898 +static void tasklet_action(void)
92899 {
92900 struct tasklet_struct *list;
92901
92902 @@ -514,7 +514,7 @@ static void tasklet_action(struct softirq_action *a)
92903 }
92904 }
92905
92906 -static void tasklet_hi_action(struct softirq_action *a)
92907 +static __latent_entropy void tasklet_hi_action(void)
92908 {
92909 struct tasklet_struct *list;
92910
92911 @@ -741,7 +741,7 @@ static struct notifier_block cpu_nfb = {
92912 .notifier_call = cpu_callback
92913 };
92914
92915 -static struct smp_hotplug_thread softirq_threads = {
92916 +static struct smp_hotplug_thread softirq_threads __read_only = {
92917 .store = &ksoftirqd,
92918 .thread_should_run = ksoftirqd_should_run,
92919 .thread_fn = run_ksoftirqd,
92920 diff --git a/kernel/sys.c b/kernel/sys.c
92921 index 1eaa2f0..d80d27c 100644
92922 --- a/kernel/sys.c
92923 +++ b/kernel/sys.c
92924 @@ -148,6 +148,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error)
92925 error = -EACCES;
92926 goto out;
92927 }
92928 +
92929 + if (gr_handle_chroot_setpriority(p, niceval)) {
92930 + error = -EACCES;
92931 + goto out;
92932 + }
92933 +
92934 no_nice = security_task_setnice(p, niceval);
92935 if (no_nice) {
92936 error = no_nice;
92937 @@ -353,6 +359,20 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid)
92938 goto error;
92939 }
92940
92941 + if (gr_check_group_change(new->gid, new->egid, INVALID_GID))
92942 + goto error;
92943 +
92944 + if (!gid_eq(new->gid, old->gid)) {
92945 + /* make sure we generate a learn log for what will
92946 + end up being a role transition after a full-learning
92947 + policy is generated
92948 + CAP_SETGID is required to perform a transition
92949 + we may not log a CAP_SETGID check above, e.g.
92950 + in the case where new rgid = old egid
92951 + */
92952 + gr_learn_cap(current, new, CAP_SETGID);
92953 + }
92954 +
92955 if (rgid != (gid_t) -1 ||
92956 (egid != (gid_t) -1 && !gid_eq(kegid, old->gid)))
92957 new->sgid = new->egid;
92958 @@ -388,6 +408,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid)
92959 old = current_cred();
92960
92961 retval = -EPERM;
92962 +
92963 + if (gr_check_group_change(kgid, kgid, kgid))
92964 + goto error;
92965 +
92966 if (ns_capable(old->user_ns, CAP_SETGID))
92967 new->gid = new->egid = new->sgid = new->fsgid = kgid;
92968 else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid))
92969 @@ -405,7 +429,7 @@ error:
92970 /*
92971 * change the user struct in a credentials set to match the new UID
92972 */
92973 -static int set_user(struct cred *new)
92974 +int set_user(struct cred *new)
92975 {
92976 struct user_struct *new_user;
92977
92978 @@ -485,7 +509,18 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid)
92979 goto error;
92980 }
92981
92982 + if (gr_check_user_change(new->uid, new->euid, INVALID_UID))
92983 + goto error;
92984 +
92985 if (!uid_eq(new->uid, old->uid)) {
92986 + /* make sure we generate a learn log for what will
92987 + end up being a role transition after a full-learning
92988 + policy is generated
92989 + CAP_SETUID is required to perform a transition
92990 + we may not log a CAP_SETUID check above, e.g.
92991 + in the case where new ruid = old euid
92992 + */
92993 + gr_learn_cap(current, new, CAP_SETUID);
92994 retval = set_user(new);
92995 if (retval < 0)
92996 goto error;
92997 @@ -535,6 +570,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid)
92998 old = current_cred();
92999
93000 retval = -EPERM;
93001 +
93002 + if (gr_check_crash_uid(kuid))
93003 + goto error;
93004 + if (gr_check_user_change(kuid, kuid, kuid))
93005 + goto error;
93006 +
93007 if (ns_capable(old->user_ns, CAP_SETUID)) {
93008 new->suid = new->uid = kuid;
93009 if (!uid_eq(kuid, old->uid)) {
93010 @@ -604,6 +645,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
93011 goto error;
93012 }
93013
93014 + if (gr_check_user_change(kruid, keuid, INVALID_UID))
93015 + goto error;
93016 +
93017 if (ruid != (uid_t) -1) {
93018 new->uid = kruid;
93019 if (!uid_eq(kruid, old->uid)) {
93020 @@ -688,6 +732,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
93021 goto error;
93022 }
93023
93024 + if (gr_check_group_change(krgid, kegid, INVALID_GID))
93025 + goto error;
93026 +
93027 if (rgid != (gid_t) -1)
93028 new->gid = krgid;
93029 if (egid != (gid_t) -1)
93030 @@ -752,12 +799,16 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
93031 uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) ||
93032 ns_capable(old->user_ns, CAP_SETUID)) {
93033 if (!uid_eq(kuid, old->fsuid)) {
93034 + if (gr_check_user_change(INVALID_UID, INVALID_UID, kuid))
93035 + goto error;
93036 +
93037 new->fsuid = kuid;
93038 if (security_task_fix_setuid(new, old, LSM_SETID_FS) == 0)
93039 goto change_okay;
93040 }
93041 }
93042
93043 +error:
93044 abort_creds(new);
93045 return old_fsuid;
93046
93047 @@ -790,12 +841,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid)
93048 if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->egid) ||
93049 gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) ||
93050 ns_capable(old->user_ns, CAP_SETGID)) {
93051 + if (gr_check_group_change(INVALID_GID, INVALID_GID, kgid))
93052 + goto error;
93053 +
93054 if (!gid_eq(kgid, old->fsgid)) {
93055 new->fsgid = kgid;
93056 goto change_okay;
93057 }
93058 }
93059
93060 +error:
93061 abort_creds(new);
93062 return old_fsgid;
93063
93064 @@ -1172,19 +1227,19 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
93065 return -EFAULT;
93066
93067 down_read(&uts_sem);
93068 - error = __copy_to_user(&name->sysname, &utsname()->sysname,
93069 + error = __copy_to_user(name->sysname, &utsname()->sysname,
93070 __OLD_UTS_LEN);
93071 error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
93072 - error |= __copy_to_user(&name->nodename, &utsname()->nodename,
93073 + error |= __copy_to_user(name->nodename, &utsname()->nodename,
93074 __OLD_UTS_LEN);
93075 error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
93076 - error |= __copy_to_user(&name->release, &utsname()->release,
93077 + error |= __copy_to_user(name->release, &utsname()->release,
93078 __OLD_UTS_LEN);
93079 error |= __put_user(0, name->release + __OLD_UTS_LEN);
93080 - error |= __copy_to_user(&name->version, &utsname()->version,
93081 + error |= __copy_to_user(name->version, &utsname()->version,
93082 __OLD_UTS_LEN);
93083 error |= __put_user(0, name->version + __OLD_UTS_LEN);
93084 - error |= __copy_to_user(&name->machine, &utsname()->machine,
93085 + error |= __copy_to_user(name->machine, &utsname()->machine,
93086 __OLD_UTS_LEN);
93087 error |= __put_user(0, name->machine + __OLD_UTS_LEN);
93088 up_read(&uts_sem);
93089 @@ -1385,6 +1440,13 @@ int do_prlimit(struct task_struct *tsk, unsigned int resource,
93090 */
93091 new_rlim->rlim_cur = 1;
93092 }
93093 + /* Handle the case where a fork and setuid occur and then RLIMIT_NPROC
93094 + is changed to a lower value. Since tasks can be created by the same
93095 + user in between this limit change and an execve by this task, force
93096 + a recheck only for this task by setting PF_NPROC_EXCEEDED
93097 + */
93098 + if (resource == RLIMIT_NPROC && tsk->real_cred->user != INIT_USER)
93099 + tsk->flags |= PF_NPROC_EXCEEDED;
93100 }
93101 if (!retval) {
93102 if (old_rlim)
93103 diff --git a/kernel/sysctl.c b/kernel/sysctl.c
93104 index 15f2511..181b356 100644
93105 --- a/kernel/sysctl.c
93106 +++ b/kernel/sysctl.c
93107 @@ -94,7 +94,6 @@
93108
93109
93110 #if defined(CONFIG_SYSCTL)
93111 -
93112 /* External variables not in a header file. */
93113 extern int max_threads;
93114 extern int suid_dumpable;
93115 @@ -115,19 +114,20 @@ extern int sysctl_nr_trim_pages;
93116
93117 /* Constants used for minimum and maximum */
93118 #ifdef CONFIG_LOCKUP_DETECTOR
93119 -static int sixty = 60;
93120 +static int sixty __read_only = 60;
93121 #endif
93122
93123 -static int __maybe_unused neg_one = -1;
93124 +static int __maybe_unused neg_one __read_only = -1;
93125
93126 -static int zero;
93127 -static int __maybe_unused one = 1;
93128 -static int __maybe_unused two = 2;
93129 -static int __maybe_unused four = 4;
93130 -static unsigned long one_ul = 1;
93131 -static int one_hundred = 100;
93132 +static int zero __read_only = 0;
93133 +static int __maybe_unused one __read_only = 1;
93134 +static int __maybe_unused two __read_only = 2;
93135 +static int __maybe_unused three __read_only = 3;
93136 +static int __maybe_unused four __read_only = 4;
93137 +static unsigned long one_ul __read_only = 1;
93138 +static int one_hundred __read_only = 100;
93139 #ifdef CONFIG_PRINTK
93140 -static int ten_thousand = 10000;
93141 +static int ten_thousand __read_only = 10000;
93142 #endif
93143
93144 /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
93145 @@ -181,10 +181,8 @@ static int proc_taint(struct ctl_table *table, int write,
93146 void __user *buffer, size_t *lenp, loff_t *ppos);
93147 #endif
93148
93149 -#ifdef CONFIG_PRINTK
93150 static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
93151 void __user *buffer, size_t *lenp, loff_t *ppos);
93152 -#endif
93153
93154 static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
93155 void __user *buffer, size_t *lenp, loff_t *ppos);
93156 @@ -215,6 +213,8 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write,
93157
93158 #endif
93159
93160 +extern struct ctl_table grsecurity_table[];
93161 +
93162 static struct ctl_table kern_table[];
93163 static struct ctl_table vm_table[];
93164 static struct ctl_table fs_table[];
93165 @@ -229,6 +229,20 @@ extern struct ctl_table epoll_table[];
93166 int sysctl_legacy_va_layout;
93167 #endif
93168
93169 +#ifdef CONFIG_PAX_SOFTMODE
93170 +static struct ctl_table pax_table[] = {
93171 + {
93172 + .procname = "softmode",
93173 + .data = &pax_softmode,
93174 + .maxlen = sizeof(unsigned int),
93175 + .mode = 0600,
93176 + .proc_handler = &proc_dointvec,
93177 + },
93178 +
93179 + { }
93180 +};
93181 +#endif
93182 +
93183 /* The default sysctl tables: */
93184
93185 static struct ctl_table sysctl_base_table[] = {
93186 @@ -277,6 +291,22 @@ static int max_extfrag_threshold = 1000;
93187 #endif
93188
93189 static struct ctl_table kern_table[] = {
93190 +#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS)
93191 + {
93192 + .procname = "grsecurity",
93193 + .mode = 0500,
93194 + .child = grsecurity_table,
93195 + },
93196 +#endif
93197 +
93198 +#ifdef CONFIG_PAX_SOFTMODE
93199 + {
93200 + .procname = "pax",
93201 + .mode = 0500,
93202 + .child = pax_table,
93203 + },
93204 +#endif
93205 +
93206 {
93207 .procname = "sched_child_runs_first",
93208 .data = &sysctl_sched_child_runs_first,
93209 @@ -642,7 +672,7 @@ static struct ctl_table kern_table[] = {
93210 .data = &modprobe_path,
93211 .maxlen = KMOD_PATH_LEN,
93212 .mode = 0644,
93213 - .proc_handler = proc_dostring,
93214 + .proc_handler = proc_dostring_modpriv,
93215 },
93216 {
93217 .procname = "modules_disabled",
93218 @@ -809,16 +839,20 @@ static struct ctl_table kern_table[] = {
93219 .extra1 = &zero,
93220 .extra2 = &one,
93221 },
93222 +#endif
93223 {
93224 .procname = "kptr_restrict",
93225 .data = &kptr_restrict,
93226 .maxlen = sizeof(int),
93227 .mode = 0644,
93228 .proc_handler = proc_dointvec_minmax_sysadmin,
93229 +#ifdef CONFIG_GRKERNSEC_HIDESYM
93230 + .extra1 = &two,
93231 +#else
93232 .extra1 = &zero,
93233 +#endif
93234 .extra2 = &two,
93235 },
93236 -#endif
93237 {
93238 .procname = "ngroups_max",
93239 .data = &ngroups_max,
93240 @@ -1065,10 +1099,17 @@ static struct ctl_table kern_table[] = {
93241 */
93242 {
93243 .procname = "perf_event_paranoid",
93244 - .data = &sysctl_perf_event_paranoid,
93245 - .maxlen = sizeof(sysctl_perf_event_paranoid),
93246 + .data = &sysctl_perf_event_legitimately_concerned,
93247 + .maxlen = sizeof(sysctl_perf_event_legitimately_concerned),
93248 .mode = 0644,
93249 - .proc_handler = proc_dointvec,
93250 + /* go ahead, be a hero */
93251 + .proc_handler = proc_dointvec_minmax_sysadmin,
93252 + .extra1 = &neg_one,
93253 +#ifdef CONFIG_GRKERNSEC_PERF_HARDEN
93254 + .extra2 = &three,
93255 +#else
93256 + .extra2 = &two,
93257 +#endif
93258 },
93259 {
93260 .procname = "perf_event_mlock_kb",
93261 @@ -1327,6 +1368,13 @@ static struct ctl_table vm_table[] = {
93262 .proc_handler = proc_dointvec_minmax,
93263 .extra1 = &zero,
93264 },
93265 + {
93266 + .procname = "heap_stack_gap",
93267 + .data = &sysctl_heap_stack_gap,
93268 + .maxlen = sizeof(sysctl_heap_stack_gap),
93269 + .mode = 0644,
93270 + .proc_handler = proc_doulongvec_minmax,
93271 + },
93272 #else
93273 {
93274 .procname = "nr_trim_pages",
93275 @@ -1809,6 +1857,16 @@ int proc_dostring(struct ctl_table *table, int write,
93276 (char __user *)buffer, lenp, ppos);
93277 }
93278
93279 +int proc_dostring_modpriv(struct ctl_table *table, int write,
93280 + void __user *buffer, size_t *lenp, loff_t *ppos)
93281 +{
93282 + if (write && !capable(CAP_SYS_MODULE))
93283 + return -EPERM;
93284 +
93285 + return _proc_do_string(table->data, table->maxlen, write,
93286 + buffer, lenp, ppos);
93287 +}
93288 +
93289 static size_t proc_skip_spaces(char **buf)
93290 {
93291 size_t ret;
93292 @@ -1914,6 +1972,8 @@ static int proc_put_long(void __user **buf, size_t *size, unsigned long val,
93293 len = strlen(tmp);
93294 if (len > *size)
93295 len = *size;
93296 + if (len > sizeof(tmp))
93297 + len = sizeof(tmp);
93298 if (copy_to_user(*buf, tmp, len))
93299 return -EFAULT;
93300 *size -= len;
93301 @@ -2091,7 +2151,7 @@ int proc_dointvec(struct ctl_table *table, int write,
93302 static int proc_taint(struct ctl_table *table, int write,
93303 void __user *buffer, size_t *lenp, loff_t *ppos)
93304 {
93305 - struct ctl_table t;
93306 + ctl_table_no_const t;
93307 unsigned long tmptaint = get_taint();
93308 int err;
93309
93310 @@ -2119,7 +2179,6 @@ static int proc_taint(struct ctl_table *table, int write,
93311 return err;
93312 }
93313
93314 -#ifdef CONFIG_PRINTK
93315 static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
93316 void __user *buffer, size_t *lenp, loff_t *ppos)
93317 {
93318 @@ -2128,7 +2187,6 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
93319
93320 return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
93321 }
93322 -#endif
93323
93324 struct do_proc_dointvec_minmax_conv_param {
93325 int *min;
93326 @@ -2688,6 +2746,12 @@ int proc_dostring(struct ctl_table *table, int write,
93327 return -ENOSYS;
93328 }
93329
93330 +int proc_dostring_modpriv(struct ctl_table *table, int write,
93331 + void __user *buffer, size_t *lenp, loff_t *ppos)
93332 +{
93333 + return -ENOSYS;
93334 +}
93335 +
93336 int proc_dointvec(struct ctl_table *table, int write,
93337 void __user *buffer, size_t *lenp, loff_t *ppos)
93338 {
93339 @@ -2744,5 +2808,6 @@ EXPORT_SYMBOL(proc_dointvec_minmax);
93340 EXPORT_SYMBOL(proc_dointvec_userhz_jiffies);
93341 EXPORT_SYMBOL(proc_dointvec_ms_jiffies);
93342 EXPORT_SYMBOL(proc_dostring);
93343 +EXPORT_SYMBOL(proc_dostring_modpriv);
93344 EXPORT_SYMBOL(proc_doulongvec_minmax);
93345 EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax);
93346 diff --git a/kernel/taskstats.c b/kernel/taskstats.c
93347 index b312fcc7..753d72d 100644
93348 --- a/kernel/taskstats.c
93349 +++ b/kernel/taskstats.c
93350 @@ -28,9 +28,12 @@
93351 #include <linux/fs.h>
93352 #include <linux/file.h>
93353 #include <linux/pid_namespace.h>
93354 +#include <linux/grsecurity.h>
93355 #include <net/genetlink.h>
93356 #include <linux/atomic.h>
93357
93358 +extern int gr_is_taskstats_denied(int pid);
93359 +
93360 /*
93361 * Maximum length of a cpumask that can be specified in
93362 * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute
93363 @@ -576,6 +579,9 @@ err:
93364
93365 static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info)
93366 {
93367 + if (gr_is_taskstats_denied(current->pid))
93368 + return -EACCES;
93369 +
93370 if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK])
93371 return cmd_attr_register_cpumask(info);
93372 else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK])
93373 diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
93374 index a7077d3..dd48a49 100644
93375 --- a/kernel/time/alarmtimer.c
93376 +++ b/kernel/time/alarmtimer.c
93377 @@ -823,7 +823,7 @@ static int __init alarmtimer_init(void)
93378 struct platform_device *pdev;
93379 int error = 0;
93380 int i;
93381 - struct k_clock alarm_clock = {
93382 + static struct k_clock alarm_clock = {
93383 .clock_getres = alarm_clock_getres,
93384 .clock_get = alarm_clock_get,
93385 .timer_create = alarm_timer_create,
93386 diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
93387 index 37e50aa..57a9501 100644
93388 --- a/kernel/time/hrtimer.c
93389 +++ b/kernel/time/hrtimer.c
93390 @@ -1399,7 +1399,7 @@ void hrtimer_peek_ahead_timers(void)
93391 local_irq_restore(flags);
93392 }
93393
93394 -static void run_hrtimer_softirq(struct softirq_action *h)
93395 +static __latent_entropy void run_hrtimer_softirq(void)
93396 {
93397 hrtimer_peek_ahead_timers();
93398 }
93399 diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
93400 index a16b678..8c5bd9d 100644
93401 --- a/kernel/time/posix-cpu-timers.c
93402 +++ b/kernel/time/posix-cpu-timers.c
93403 @@ -1450,14 +1450,14 @@ struct k_clock clock_posix_cpu = {
93404
93405 static __init int init_posix_cpu_timers(void)
93406 {
93407 - struct k_clock process = {
93408 + static struct k_clock process = {
93409 .clock_getres = process_cpu_clock_getres,
93410 .clock_get = process_cpu_clock_get,
93411 .timer_create = process_cpu_timer_create,
93412 .nsleep = process_cpu_nsleep,
93413 .nsleep_restart = process_cpu_nsleep_restart,
93414 };
93415 - struct k_clock thread = {
93416 + static struct k_clock thread = {
93417 .clock_getres = thread_cpu_clock_getres,
93418 .clock_get = thread_cpu_clock_get,
93419 .timer_create = thread_cpu_timer_create,
93420 diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
93421 index 31ea01f..7fc61ef 100644
93422 --- a/kernel/time/posix-timers.c
93423 +++ b/kernel/time/posix-timers.c
93424 @@ -43,6 +43,7 @@
93425 #include <linux/hash.h>
93426 #include <linux/posix-clock.h>
93427 #include <linux/posix-timers.h>
93428 +#include <linux/grsecurity.h>
93429 #include <linux/syscalls.h>
93430 #include <linux/wait.h>
93431 #include <linux/workqueue.h>
93432 @@ -124,7 +125,7 @@ static DEFINE_SPINLOCK(hash_lock);
93433 * which we beg off on and pass to do_sys_settimeofday().
93434 */
93435
93436 -static struct k_clock posix_clocks[MAX_CLOCKS];
93437 +static struct k_clock *posix_clocks[MAX_CLOCKS];
93438
93439 /*
93440 * These ones are defined below.
93441 @@ -277,7 +278,7 @@ static int posix_get_tai(clockid_t which_clock, struct timespec *tp)
93442 */
93443 static __init int init_posix_timers(void)
93444 {
93445 - struct k_clock clock_realtime = {
93446 + static struct k_clock clock_realtime = {
93447 .clock_getres = hrtimer_get_res,
93448 .clock_get = posix_clock_realtime_get,
93449 .clock_set = posix_clock_realtime_set,
93450 @@ -289,7 +290,7 @@ static __init int init_posix_timers(void)
93451 .timer_get = common_timer_get,
93452 .timer_del = common_timer_del,
93453 };
93454 - struct k_clock clock_monotonic = {
93455 + static struct k_clock clock_monotonic = {
93456 .clock_getres = hrtimer_get_res,
93457 .clock_get = posix_ktime_get_ts,
93458 .nsleep = common_nsleep,
93459 @@ -299,19 +300,19 @@ static __init int init_posix_timers(void)
93460 .timer_get = common_timer_get,
93461 .timer_del = common_timer_del,
93462 };
93463 - struct k_clock clock_monotonic_raw = {
93464 + static struct k_clock clock_monotonic_raw = {
93465 .clock_getres = hrtimer_get_res,
93466 .clock_get = posix_get_monotonic_raw,
93467 };
93468 - struct k_clock clock_realtime_coarse = {
93469 + static struct k_clock clock_realtime_coarse = {
93470 .clock_getres = posix_get_coarse_res,
93471 .clock_get = posix_get_realtime_coarse,
93472 };
93473 - struct k_clock clock_monotonic_coarse = {
93474 + static struct k_clock clock_monotonic_coarse = {
93475 .clock_getres = posix_get_coarse_res,
93476 .clock_get = posix_get_monotonic_coarse,
93477 };
93478 - struct k_clock clock_tai = {
93479 + static struct k_clock clock_tai = {
93480 .clock_getres = hrtimer_get_res,
93481 .clock_get = posix_get_tai,
93482 .nsleep = common_nsleep,
93483 @@ -321,7 +322,7 @@ static __init int init_posix_timers(void)
93484 .timer_get = common_timer_get,
93485 .timer_del = common_timer_del,
93486 };
93487 - struct k_clock clock_boottime = {
93488 + static struct k_clock clock_boottime = {
93489 .clock_getres = hrtimer_get_res,
93490 .clock_get = posix_get_boottime,
93491 .nsleep = common_nsleep,
93492 @@ -533,7 +534,7 @@ void posix_timers_register_clock(const clockid_t clock_id,
93493 return;
93494 }
93495
93496 - posix_clocks[clock_id] = *new_clock;
93497 + posix_clocks[clock_id] = new_clock;
93498 }
93499 EXPORT_SYMBOL_GPL(posix_timers_register_clock);
93500
93501 @@ -579,9 +580,9 @@ static struct k_clock *clockid_to_kclock(const clockid_t id)
93502 return (id & CLOCKFD_MASK) == CLOCKFD ?
93503 &clock_posix_dynamic : &clock_posix_cpu;
93504
93505 - if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres)
93506 + if (id >= MAX_CLOCKS || !posix_clocks[id] || !posix_clocks[id]->clock_getres)
93507 return NULL;
93508 - return &posix_clocks[id];
93509 + return posix_clocks[id];
93510 }
93511
93512 static int common_timer_create(struct k_itimer *new_timer)
93513 @@ -599,7 +600,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
93514 struct k_clock *kc = clockid_to_kclock(which_clock);
93515 struct k_itimer *new_timer;
93516 int error, new_timer_id;
93517 - sigevent_t event;
93518 + sigevent_t event = { };
93519 int it_id_set = IT_ID_NOT_SET;
93520
93521 if (!kc)
93522 @@ -1014,6 +1015,13 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
93523 if (copy_from_user(&new_tp, tp, sizeof (*tp)))
93524 return -EFAULT;
93525
93526 + /* only the CLOCK_REALTIME clock can be set, all other clocks
93527 + have their clock_set fptr set to a nosettime dummy function
93528 + CLOCK_REALTIME has a NULL clock_set fptr which causes it to
93529 + call common_clock_set, which calls do_sys_settimeofday, which
93530 + we hook
93531 + */
93532 +
93533 return kc->clock_set(which_clock, &new_tp);
93534 }
93535
93536 diff --git a/kernel/time/time.c b/kernel/time/time.c
93537 index 22d5d3b..70caeb2 100644
93538 --- a/kernel/time/time.c
93539 +++ b/kernel/time/time.c
93540 @@ -173,6 +173,11 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz)
93541 return error;
93542
93543 if (tz) {
93544 + /* we log in do_settimeofday called below, so don't log twice
93545 + */
93546 + if (!tv)
93547 + gr_log_timechange();
93548 +
93549 sys_tz = *tz;
93550 update_vsyscall_tz();
93551 if (firsttime) {
93552 diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
93553 index ec1791f..6a086cd 100644
93554 --- a/kernel/time/timekeeping.c
93555 +++ b/kernel/time/timekeeping.c
93556 @@ -15,6 +15,7 @@
93557 #include <linux/init.h>
93558 #include <linux/mm.h>
93559 #include <linux/sched.h>
93560 +#include <linux/grsecurity.h>
93561 #include <linux/syscore_ops.h>
93562 #include <linux/clocksource.h>
93563 #include <linux/jiffies.h>
93564 @@ -717,6 +718,8 @@ int do_settimeofday(const struct timespec *tv)
93565 if (!timespec_valid_strict(tv))
93566 return -EINVAL;
93567
93568 + gr_log_timechange();
93569 +
93570 raw_spin_lock_irqsave(&timekeeper_lock, flags);
93571 write_seqcount_begin(&tk_core.seq);
93572
93573 diff --git a/kernel/time/timer.c b/kernel/time/timer.c
93574 index 3260ffd..c93cd5e 100644
93575 --- a/kernel/time/timer.c
93576 +++ b/kernel/time/timer.c
93577 @@ -1394,7 +1394,7 @@ void update_process_times(int user_tick)
93578 /*
93579 * This function runs timers and the timer-tq in bottom half context.
93580 */
93581 -static void run_timer_softirq(struct softirq_action *h)
93582 +static __latent_entropy void run_timer_softirq(void)
93583 {
93584 struct tvec_base *base = __this_cpu_read(tvec_bases);
93585
93586 @@ -1457,7 +1457,7 @@ static void process_timeout(unsigned long __data)
93587 *
93588 * In all cases the return value is guaranteed to be non-negative.
93589 */
93590 -signed long __sched schedule_timeout(signed long timeout)
93591 +signed long __sched __intentional_overflow(-1) schedule_timeout(signed long timeout)
93592 {
93593 struct timer_list timer;
93594 unsigned long expire;
93595 diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
93596 index 61ed862..3b52c65 100644
93597 --- a/kernel/time/timer_list.c
93598 +++ b/kernel/time/timer_list.c
93599 @@ -45,12 +45,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases);
93600
93601 static void print_name_offset(struct seq_file *m, void *sym)
93602 {
93603 +#ifdef CONFIG_GRKERNSEC_HIDESYM
93604 + SEQ_printf(m, "<%p>", NULL);
93605 +#else
93606 char symname[KSYM_NAME_LEN];
93607
93608 if (lookup_symbol_name((unsigned long)sym, symname) < 0)
93609 SEQ_printf(m, "<%pK>", sym);
93610 else
93611 SEQ_printf(m, "%s", symname);
93612 +#endif
93613 }
93614
93615 static void
93616 @@ -119,7 +123,11 @@ next_one:
93617 static void
93618 print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
93619 {
93620 +#ifdef CONFIG_GRKERNSEC_HIDESYM
93621 + SEQ_printf(m, " .base: %p\n", NULL);
93622 +#else
93623 SEQ_printf(m, " .base: %pK\n", base);
93624 +#endif
93625 SEQ_printf(m, " .index: %d\n",
93626 base->index);
93627 SEQ_printf(m, " .resolution: %Lu nsecs\n",
93628 @@ -362,7 +370,11 @@ static int __init init_timer_list_procfs(void)
93629 {
93630 struct proc_dir_entry *pe;
93631
93632 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
93633 + pe = proc_create("timer_list", 0400, NULL, &timer_list_fops);
93634 +#else
93635 pe = proc_create("timer_list", 0444, NULL, &timer_list_fops);
93636 +#endif
93637 if (!pe)
93638 return -ENOMEM;
93639 return 0;
93640 diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
93641 index 1fb08f2..ca4bb1e 100644
93642 --- a/kernel/time/timer_stats.c
93643 +++ b/kernel/time/timer_stats.c
93644 @@ -116,7 +116,7 @@ static ktime_t time_start, time_stop;
93645 static unsigned long nr_entries;
93646 static struct entry entries[MAX_ENTRIES];
93647
93648 -static atomic_t overflow_count;
93649 +static atomic_unchecked_t overflow_count;
93650
93651 /*
93652 * The entries are in a hash-table, for fast lookup:
93653 @@ -140,7 +140,7 @@ static void reset_entries(void)
93654 nr_entries = 0;
93655 memset(entries, 0, sizeof(entries));
93656 memset(tstat_hash_table, 0, sizeof(tstat_hash_table));
93657 - atomic_set(&overflow_count, 0);
93658 + atomic_set_unchecked(&overflow_count, 0);
93659 }
93660
93661 static struct entry *alloc_entry(void)
93662 @@ -261,7 +261,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
93663 if (likely(entry))
93664 entry->count++;
93665 else
93666 - atomic_inc(&overflow_count);
93667 + atomic_inc_unchecked(&overflow_count);
93668
93669 out_unlock:
93670 raw_spin_unlock_irqrestore(lock, flags);
93671 @@ -269,12 +269,16 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
93672
93673 static void print_name_offset(struct seq_file *m, unsigned long addr)
93674 {
93675 +#ifdef CONFIG_GRKERNSEC_HIDESYM
93676 + seq_printf(m, "<%p>", NULL);
93677 +#else
93678 char symname[KSYM_NAME_LEN];
93679
93680 if (lookup_symbol_name(addr, symname) < 0)
93681 - seq_printf(m, "<%p>", (void *)addr);
93682 + seq_printf(m, "<%pK>", (void *)addr);
93683 else
93684 seq_printf(m, "%s", symname);
93685 +#endif
93686 }
93687
93688 static int tstats_show(struct seq_file *m, void *v)
93689 @@ -300,8 +304,8 @@ static int tstats_show(struct seq_file *m, void *v)
93690
93691 seq_puts(m, "Timer Stats Version: v0.3\n");
93692 seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms);
93693 - if (atomic_read(&overflow_count))
93694 - seq_printf(m, "Overflow: %d entries\n", atomic_read(&overflow_count));
93695 + if (atomic_read_unchecked(&overflow_count))
93696 + seq_printf(m, "Overflow: %d entries\n", atomic_read_unchecked(&overflow_count));
93697 seq_printf(m, "Collection: %s\n", timer_stats_active ? "active" : "inactive");
93698
93699 for (i = 0; i < nr_entries; i++) {
93700 @@ -417,7 +421,11 @@ static int __init init_tstats_procfs(void)
93701 {
93702 struct proc_dir_entry *pe;
93703
93704 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
93705 + pe = proc_create("timer_stats", 0600, NULL, &tstats_fops);
93706 +#else
93707 pe = proc_create("timer_stats", 0644, NULL, &tstats_fops);
93708 +#endif
93709 if (!pe)
93710 return -ENOMEM;
93711 return 0;
93712 diff --git a/kernel/torture.c b/kernel/torture.c
93713 index dd70993..0bf694b 100644
93714 --- a/kernel/torture.c
93715 +++ b/kernel/torture.c
93716 @@ -482,7 +482,7 @@ static int torture_shutdown_notify(struct notifier_block *unused1,
93717 mutex_lock(&fullstop_mutex);
93718 if (ACCESS_ONCE(fullstop) == FULLSTOP_DONTSTOP) {
93719 VERBOSE_TOROUT_STRING("Unscheduled system shutdown detected");
93720 - ACCESS_ONCE(fullstop) = FULLSTOP_SHUTDOWN;
93721 + ACCESS_ONCE_RW(fullstop) = FULLSTOP_SHUTDOWN;
93722 } else {
93723 pr_warn("Concurrent rmmod and shutdown illegal!\n");
93724 }
93725 @@ -549,14 +549,14 @@ static int torture_stutter(void *arg)
93726 if (!torture_must_stop()) {
93727 if (stutter > 1) {
93728 schedule_timeout_interruptible(stutter - 1);
93729 - ACCESS_ONCE(stutter_pause_test) = 2;
93730 + ACCESS_ONCE_RW(stutter_pause_test) = 2;
93731 }
93732 schedule_timeout_interruptible(1);
93733 - ACCESS_ONCE(stutter_pause_test) = 1;
93734 + ACCESS_ONCE_RW(stutter_pause_test) = 1;
93735 }
93736 if (!torture_must_stop())
93737 schedule_timeout_interruptible(stutter);
93738 - ACCESS_ONCE(stutter_pause_test) = 0;
93739 + ACCESS_ONCE_RW(stutter_pause_test) = 0;
93740 torture_shutdown_absorb("torture_stutter");
93741 } while (!torture_must_stop());
93742 torture_kthread_stopping("torture_stutter");
93743 @@ -648,7 +648,7 @@ bool torture_cleanup_begin(void)
93744 schedule_timeout_uninterruptible(10);
93745 return true;
93746 }
93747 - ACCESS_ONCE(fullstop) = FULLSTOP_RMMOD;
93748 + ACCESS_ONCE_RW(fullstop) = FULLSTOP_RMMOD;
93749 mutex_unlock(&fullstop_mutex);
93750 torture_shutdown_cleanup();
93751 torture_shuffle_cleanup();
93752 diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
93753 index c1bd4ad..4b861dc 100644
93754 --- a/kernel/trace/blktrace.c
93755 +++ b/kernel/trace/blktrace.c
93756 @@ -328,7 +328,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
93757 struct blk_trace *bt = filp->private_data;
93758 char buf[16];
93759
93760 - snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped));
93761 + snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped));
93762
93763 return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
93764 }
93765 @@ -386,7 +386,7 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf,
93766 return 1;
93767
93768 bt = buf->chan->private_data;
93769 - atomic_inc(&bt->dropped);
93770 + atomic_inc_unchecked(&bt->dropped);
93771 return 0;
93772 }
93773
93774 @@ -487,7 +487,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
93775
93776 bt->dir = dir;
93777 bt->dev = dev;
93778 - atomic_set(&bt->dropped, 0);
93779 + atomic_set_unchecked(&bt->dropped, 0);
93780 INIT_LIST_HEAD(&bt->running_list);
93781
93782 ret = -EIO;
93783 diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
93784 index 124e2c7..762ca29 100644
93785 --- a/kernel/trace/ftrace.c
93786 +++ b/kernel/trace/ftrace.c
93787 @@ -2183,12 +2183,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec)
93788 if (unlikely(ftrace_disabled))
93789 return 0;
93790
93791 + ret = ftrace_arch_code_modify_prepare();
93792 + FTRACE_WARN_ON(ret);
93793 + if (ret)
93794 + return 0;
93795 +
93796 ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
93797 + FTRACE_WARN_ON(ftrace_arch_code_modify_post_process());
93798 if (ret) {
93799 ftrace_bug(ret, ip);
93800 - return 0;
93801 }
93802 - return 1;
93803 + return ret ? 0 : 1;
93804 }
93805
93806 /*
93807 @@ -4529,8 +4534,10 @@ static int ftrace_process_locs(struct module *mod,
93808 if (!count)
93809 return 0;
93810
93811 + pax_open_kernel();
93812 sort(start, count, sizeof(*start),
93813 ftrace_cmp_ips, ftrace_swap_ips);
93814 + pax_close_kernel();
93815
93816 start_pg = ftrace_allocate_pages(count);
93817 if (!start_pg)
93818 @@ -5377,7 +5384,7 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list)
93819
93820 if (t->ret_stack == NULL) {
93821 atomic_set(&t->tracing_graph_pause, 0);
93822 - atomic_set(&t->trace_overrun, 0);
93823 + atomic_set_unchecked(&t->trace_overrun, 0);
93824 t->curr_ret_stack = -1;
93825 /* Make sure the tasks see the -1 first: */
93826 smp_wmb();
93827 @@ -5590,7 +5597,7 @@ static void
93828 graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack)
93829 {
93830 atomic_set(&t->tracing_graph_pause, 0);
93831 - atomic_set(&t->trace_overrun, 0);
93832 + atomic_set_unchecked(&t->trace_overrun, 0);
93833 t->ftrace_timestamp = 0;
93834 /* make curr_ret_stack visible before we add the ret_stack */
93835 smp_wmb();
93836 diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
93837 index a56e07c..d46f0ba 100644
93838 --- a/kernel/trace/ring_buffer.c
93839 +++ b/kernel/trace/ring_buffer.c
93840 @@ -352,9 +352,9 @@ struct buffer_data_page {
93841 */
93842 struct buffer_page {
93843 struct list_head list; /* list of buffer pages */
93844 - local_t write; /* index for next write */
93845 + local_unchecked_t write; /* index for next write */
93846 unsigned read; /* index for next read */
93847 - local_t entries; /* entries on this page */
93848 + local_unchecked_t entries; /* entries on this page */
93849 unsigned long real_end; /* real end of data */
93850 struct buffer_data_page *page; /* Actual data page */
93851 };
93852 @@ -473,8 +473,8 @@ struct ring_buffer_per_cpu {
93853 unsigned long last_overrun;
93854 local_t entries_bytes;
93855 local_t entries;
93856 - local_t overrun;
93857 - local_t commit_overrun;
93858 + local_unchecked_t overrun;
93859 + local_unchecked_t commit_overrun;
93860 local_t dropped_events;
93861 local_t committing;
93862 local_t commits;
93863 @@ -1032,8 +1032,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
93864 *
93865 * We add a counter to the write field to denote this.
93866 */
93867 - old_write = local_add_return(RB_WRITE_INTCNT, &next_page->write);
93868 - old_entries = local_add_return(RB_WRITE_INTCNT, &next_page->entries);
93869 + old_write = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->write);
93870 + old_entries = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->entries);
93871
93872 /*
93873 * Just make sure we have seen our old_write and synchronize
93874 @@ -1061,8 +1061,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
93875 * cmpxchg to only update if an interrupt did not already
93876 * do it for us. If the cmpxchg fails, we don't care.
93877 */
93878 - (void)local_cmpxchg(&next_page->write, old_write, val);
93879 - (void)local_cmpxchg(&next_page->entries, old_entries, eval);
93880 + (void)local_cmpxchg_unchecked(&next_page->write, old_write, val);
93881 + (void)local_cmpxchg_unchecked(&next_page->entries, old_entries, eval);
93882
93883 /*
93884 * No need to worry about races with clearing out the commit.
93885 @@ -1429,12 +1429,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer);
93886
93887 static inline unsigned long rb_page_entries(struct buffer_page *bpage)
93888 {
93889 - return local_read(&bpage->entries) & RB_WRITE_MASK;
93890 + return local_read_unchecked(&bpage->entries) & RB_WRITE_MASK;
93891 }
93892
93893 static inline unsigned long rb_page_write(struct buffer_page *bpage)
93894 {
93895 - return local_read(&bpage->write) & RB_WRITE_MASK;
93896 + return local_read_unchecked(&bpage->write) & RB_WRITE_MASK;
93897 }
93898
93899 static int
93900 @@ -1529,7 +1529,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
93901 * bytes consumed in ring buffer from here.
93902 * Increment overrun to account for the lost events.
93903 */
93904 - local_add(page_entries, &cpu_buffer->overrun);
93905 + local_add_unchecked(page_entries, &cpu_buffer->overrun);
93906 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
93907 }
93908
93909 @@ -2091,7 +2091,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer,
93910 * it is our responsibility to update
93911 * the counters.
93912 */
93913 - local_add(entries, &cpu_buffer->overrun);
93914 + local_add_unchecked(entries, &cpu_buffer->overrun);
93915 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
93916
93917 /*
93918 @@ -2241,7 +2241,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
93919 if (tail == BUF_PAGE_SIZE)
93920 tail_page->real_end = 0;
93921
93922 - local_sub(length, &tail_page->write);
93923 + local_sub_unchecked(length, &tail_page->write);
93924 return;
93925 }
93926
93927 @@ -2276,7 +2276,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
93928 rb_event_set_padding(event);
93929
93930 /* Set the write back to the previous setting */
93931 - local_sub(length, &tail_page->write);
93932 + local_sub_unchecked(length, &tail_page->write);
93933 return;
93934 }
93935
93936 @@ -2288,7 +2288,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer,
93937
93938 /* Set write to end of buffer */
93939 length = (tail + length) - BUF_PAGE_SIZE;
93940 - local_sub(length, &tail_page->write);
93941 + local_sub_unchecked(length, &tail_page->write);
93942 }
93943
93944 /*
93945 @@ -2314,7 +2314,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
93946 * about it.
93947 */
93948 if (unlikely(next_page == commit_page)) {
93949 - local_inc(&cpu_buffer->commit_overrun);
93950 + local_inc_unchecked(&cpu_buffer->commit_overrun);
93951 goto out_reset;
93952 }
93953
93954 @@ -2370,7 +2370,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
93955 cpu_buffer->tail_page) &&
93956 (cpu_buffer->commit_page ==
93957 cpu_buffer->reader_page))) {
93958 - local_inc(&cpu_buffer->commit_overrun);
93959 + local_inc_unchecked(&cpu_buffer->commit_overrun);
93960 goto out_reset;
93961 }
93962 }
93963 @@ -2418,7 +2418,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
93964 length += RB_LEN_TIME_EXTEND;
93965
93966 tail_page = cpu_buffer->tail_page;
93967 - write = local_add_return(length, &tail_page->write);
93968 + write = local_add_return_unchecked(length, &tail_page->write);
93969
93970 /* set write to only the index of the write */
93971 write &= RB_WRITE_MASK;
93972 @@ -2442,7 +2442,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
93973 kmemcheck_annotate_bitfield(event, bitfield);
93974 rb_update_event(cpu_buffer, event, length, add_timestamp, delta);
93975
93976 - local_inc(&tail_page->entries);
93977 + local_inc_unchecked(&tail_page->entries);
93978
93979 /*
93980 * If this is the first commit on the page, then update
93981 @@ -2475,7 +2475,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
93982
93983 if (bpage->page == (void *)addr && rb_page_write(bpage) == old_index) {
93984 unsigned long write_mask =
93985 - local_read(&bpage->write) & ~RB_WRITE_MASK;
93986 + local_read_unchecked(&bpage->write) & ~RB_WRITE_MASK;
93987 unsigned long event_length = rb_event_length(event);
93988 /*
93989 * This is on the tail page. It is possible that
93990 @@ -2485,7 +2485,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
93991 */
93992 old_index += write_mask;
93993 new_index += write_mask;
93994 - index = local_cmpxchg(&bpage->write, old_index, new_index);
93995 + index = local_cmpxchg_unchecked(&bpage->write, old_index, new_index);
93996 if (index == old_index) {
93997 /* update counters */
93998 local_sub(event_length, &cpu_buffer->entries_bytes);
93999 @@ -2877,7 +2877,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
94000
94001 /* Do the likely case first */
94002 if (likely(bpage->page == (void *)addr)) {
94003 - local_dec(&bpage->entries);
94004 + local_dec_unchecked(&bpage->entries);
94005 return;
94006 }
94007
94008 @@ -2889,7 +2889,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer,
94009 start = bpage;
94010 do {
94011 if (bpage->page == (void *)addr) {
94012 - local_dec(&bpage->entries);
94013 + local_dec_unchecked(&bpage->entries);
94014 return;
94015 }
94016 rb_inc_page(cpu_buffer, &bpage);
94017 @@ -3173,7 +3173,7 @@ static inline unsigned long
94018 rb_num_of_entries(struct ring_buffer_per_cpu *cpu_buffer)
94019 {
94020 return local_read(&cpu_buffer->entries) -
94021 - (local_read(&cpu_buffer->overrun) + cpu_buffer->read);
94022 + (local_read_unchecked(&cpu_buffer->overrun) + cpu_buffer->read);
94023 }
94024
94025 /**
94026 @@ -3262,7 +3262,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu)
94027 return 0;
94028
94029 cpu_buffer = buffer->buffers[cpu];
94030 - ret = local_read(&cpu_buffer->overrun);
94031 + ret = local_read_unchecked(&cpu_buffer->overrun);
94032
94033 return ret;
94034 }
94035 @@ -3285,7 +3285,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu)
94036 return 0;
94037
94038 cpu_buffer = buffer->buffers[cpu];
94039 - ret = local_read(&cpu_buffer->commit_overrun);
94040 + ret = local_read_unchecked(&cpu_buffer->commit_overrun);
94041
94042 return ret;
94043 }
94044 @@ -3370,7 +3370,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer)
94045 /* if you care about this being correct, lock the buffer */
94046 for_each_buffer_cpu(buffer, cpu) {
94047 cpu_buffer = buffer->buffers[cpu];
94048 - overruns += local_read(&cpu_buffer->overrun);
94049 + overruns += local_read_unchecked(&cpu_buffer->overrun);
94050 }
94051
94052 return overruns;
94053 @@ -3541,8 +3541,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
94054 /*
94055 * Reset the reader page to size zero.
94056 */
94057 - local_set(&cpu_buffer->reader_page->write, 0);
94058 - local_set(&cpu_buffer->reader_page->entries, 0);
94059 + local_set_unchecked(&cpu_buffer->reader_page->write, 0);
94060 + local_set_unchecked(&cpu_buffer->reader_page->entries, 0);
94061 local_set(&cpu_buffer->reader_page->page->commit, 0);
94062 cpu_buffer->reader_page->real_end = 0;
94063
94064 @@ -3576,7 +3576,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
94065 * want to compare with the last_overrun.
94066 */
94067 smp_mb();
94068 - overwrite = local_read(&(cpu_buffer->overrun));
94069 + overwrite = local_read_unchecked(&(cpu_buffer->overrun));
94070
94071 /*
94072 * Here's the tricky part.
94073 @@ -4148,8 +4148,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
94074
94075 cpu_buffer->head_page
94076 = list_entry(cpu_buffer->pages, struct buffer_page, list);
94077 - local_set(&cpu_buffer->head_page->write, 0);
94078 - local_set(&cpu_buffer->head_page->entries, 0);
94079 + local_set_unchecked(&cpu_buffer->head_page->write, 0);
94080 + local_set_unchecked(&cpu_buffer->head_page->entries, 0);
94081 local_set(&cpu_buffer->head_page->page->commit, 0);
94082
94083 cpu_buffer->head_page->read = 0;
94084 @@ -4159,14 +4159,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
94085
94086 INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
94087 INIT_LIST_HEAD(&cpu_buffer->new_pages);
94088 - local_set(&cpu_buffer->reader_page->write, 0);
94089 - local_set(&cpu_buffer->reader_page->entries, 0);
94090 + local_set_unchecked(&cpu_buffer->reader_page->write, 0);
94091 + local_set_unchecked(&cpu_buffer->reader_page->entries, 0);
94092 local_set(&cpu_buffer->reader_page->page->commit, 0);
94093 cpu_buffer->reader_page->read = 0;
94094
94095 local_set(&cpu_buffer->entries_bytes, 0);
94096 - local_set(&cpu_buffer->overrun, 0);
94097 - local_set(&cpu_buffer->commit_overrun, 0);
94098 + local_set_unchecked(&cpu_buffer->overrun, 0);
94099 + local_set_unchecked(&cpu_buffer->commit_overrun, 0);
94100 local_set(&cpu_buffer->dropped_events, 0);
94101 local_set(&cpu_buffer->entries, 0);
94102 local_set(&cpu_buffer->committing, 0);
94103 @@ -4571,8 +4571,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
94104 rb_init_page(bpage);
94105 bpage = reader->page;
94106 reader->page = *data_page;
94107 - local_set(&reader->write, 0);
94108 - local_set(&reader->entries, 0);
94109 + local_set_unchecked(&reader->write, 0);
94110 + local_set_unchecked(&reader->entries, 0);
94111 reader->read = 0;
94112 *data_page = bpage;
94113
94114 diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
94115 index 426962b..e8e2d9a 100644
94116 --- a/kernel/trace/trace.c
94117 +++ b/kernel/trace/trace.c
94118 @@ -3488,7 +3488,7 @@ int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set)
94119 return 0;
94120 }
94121
94122 -int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled)
94123 +int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled)
94124 {
94125 /* do nothing if flag is already set */
94126 if (!!(trace_flags & mask) == !!enabled)
94127 diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
94128 index 385391f..8d2250f 100644
94129 --- a/kernel/trace/trace.h
94130 +++ b/kernel/trace/trace.h
94131 @@ -1280,7 +1280,7 @@ extern const char *__stop___tracepoint_str[];
94132 void trace_printk_init_buffers(void);
94133 void trace_printk_start_comm(void);
94134 int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set);
94135 -int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled);
94136 +int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled);
94137
94138 /*
94139 * Normal trace_printk() and friends allocates special buffers
94140 diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
94141 index 57b67b1..66082a9 100644
94142 --- a/kernel/trace/trace_clock.c
94143 +++ b/kernel/trace/trace_clock.c
94144 @@ -124,7 +124,7 @@ u64 notrace trace_clock_global(void)
94145 return now;
94146 }
94147
94148 -static atomic64_t trace_counter;
94149 +static atomic64_unchecked_t trace_counter;
94150
94151 /*
94152 * trace_clock_counter(): simply an atomic counter.
94153 @@ -133,5 +133,5 @@ static atomic64_t trace_counter;
94154 */
94155 u64 notrace trace_clock_counter(void)
94156 {
94157 - return atomic64_add_return(1, &trace_counter);
94158 + return atomic64_inc_return_unchecked(&trace_counter);
94159 }
94160 diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
94161 index 1b0df1e..4ebb965 100644
94162 --- a/kernel/trace/trace_events.c
94163 +++ b/kernel/trace/trace_events.c
94164 @@ -1720,7 +1720,6 @@ __trace_early_add_new_event(struct ftrace_event_call *call,
94165 return 0;
94166 }
94167
94168 -struct ftrace_module_file_ops;
94169 static void __add_event_to_tracers(struct ftrace_event_call *call);
94170
94171 /* Add an additional event_call dynamically */
94172 diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
94173 index f0a0c98..3692dc8 100644
94174 --- a/kernel/trace/trace_functions_graph.c
94175 +++ b/kernel/trace/trace_functions_graph.c
94176 @@ -133,7 +133,7 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth,
94177
94178 /* The return trace stack is full */
94179 if (current->curr_ret_stack == FTRACE_RETFUNC_DEPTH - 1) {
94180 - atomic_inc(&current->trace_overrun);
94181 + atomic_inc_unchecked(&current->trace_overrun);
94182 return -EBUSY;
94183 }
94184
94185 @@ -230,7 +230,7 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret,
94186 *ret = current->ret_stack[index].ret;
94187 trace->func = current->ret_stack[index].func;
94188 trace->calltime = current->ret_stack[index].calltime;
94189 - trace->overrun = atomic_read(&current->trace_overrun);
94190 + trace->overrun = atomic_read_unchecked(&current->trace_overrun);
94191 trace->depth = index;
94192 }
94193
94194 diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
94195 index 0abd9b8..6a663a2 100644
94196 --- a/kernel/trace/trace_mmiotrace.c
94197 +++ b/kernel/trace/trace_mmiotrace.c
94198 @@ -24,7 +24,7 @@ struct header_iter {
94199 static struct trace_array *mmio_trace_array;
94200 static bool overrun_detected;
94201 static unsigned long prev_overruns;
94202 -static atomic_t dropped_count;
94203 +static atomic_unchecked_t dropped_count;
94204
94205 static void mmio_reset_data(struct trace_array *tr)
94206 {
94207 @@ -127,7 +127,7 @@ static void mmio_close(struct trace_iterator *iter)
94208
94209 static unsigned long count_overruns(struct trace_iterator *iter)
94210 {
94211 - unsigned long cnt = atomic_xchg(&dropped_count, 0);
94212 + unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0);
94213 unsigned long over = ring_buffer_overruns(iter->trace_buffer->buffer);
94214
94215 if (over > prev_overruns)
94216 @@ -317,7 +317,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
94217 event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
94218 sizeof(*entry), 0, pc);
94219 if (!event) {
94220 - atomic_inc(&dropped_count);
94221 + atomic_inc_unchecked(&dropped_count);
94222 return;
94223 }
94224 entry = ring_buffer_event_data(event);
94225 @@ -347,7 +347,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
94226 event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
94227 sizeof(*entry), 0, pc);
94228 if (!event) {
94229 - atomic_inc(&dropped_count);
94230 + atomic_inc_unchecked(&dropped_count);
94231 return;
94232 }
94233 entry = ring_buffer_event_data(event);
94234 diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
94235 index c6977d5..d243785 100644
94236 --- a/kernel/trace/trace_output.c
94237 +++ b/kernel/trace/trace_output.c
94238 @@ -712,14 +712,16 @@ int register_ftrace_event(struct trace_event *event)
94239 goto out;
94240 }
94241
94242 + pax_open_kernel();
94243 if (event->funcs->trace == NULL)
94244 - event->funcs->trace = trace_nop_print;
94245 + *(void **)&event->funcs->trace = trace_nop_print;
94246 if (event->funcs->raw == NULL)
94247 - event->funcs->raw = trace_nop_print;
94248 + *(void **)&event->funcs->raw = trace_nop_print;
94249 if (event->funcs->hex == NULL)
94250 - event->funcs->hex = trace_nop_print;
94251 + *(void **)&event->funcs->hex = trace_nop_print;
94252 if (event->funcs->binary == NULL)
94253 - event->funcs->binary = trace_nop_print;
94254 + *(void **)&event->funcs->binary = trace_nop_print;
94255 + pax_close_kernel();
94256
94257 key = event->type & (EVENT_HASHSIZE - 1);
94258
94259 diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c
94260 index 1f24ed9..10407ec 100644
94261 --- a/kernel/trace/trace_seq.c
94262 +++ b/kernel/trace/trace_seq.c
94263 @@ -367,7 +367,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path)
94264
94265 p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len);
94266 if (!IS_ERR(p)) {
94267 - p = mangle_path(s->buffer + s->len, p, "\n");
94268 + p = mangle_path(s->buffer + s->len, p, "\n\\");
94269 if (p) {
94270 s->len = p - s->buffer;
94271 return 1;
94272 diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
94273 index 16eddb3..758b308 100644
94274 --- a/kernel/trace/trace_stack.c
94275 +++ b/kernel/trace/trace_stack.c
94276 @@ -90,7 +90,7 @@ check_stack(unsigned long ip, unsigned long *stack)
94277 return;
94278
94279 /* we do not handle interrupt stacks yet */
94280 - if (!object_is_on_stack(stack))
94281 + if (!object_starts_on_stack(stack))
94282 return;
94283
94284 local_irq_save(flags);
94285 diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
94286 index 29228c4..301bc8c 100644
94287 --- a/kernel/trace/trace_syscalls.c
94288 +++ b/kernel/trace/trace_syscalls.c
94289 @@ -602,6 +602,8 @@ static int perf_sysenter_enable(struct ftrace_event_call *call)
94290 int num;
94291
94292 num = ((struct syscall_metadata *)call->data)->syscall_nr;
94293 + if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
94294 + return -EINVAL;
94295
94296 mutex_lock(&syscall_trace_lock);
94297 if (!sys_perf_refcount_enter)
94298 @@ -622,6 +624,8 @@ static void perf_sysenter_disable(struct ftrace_event_call *call)
94299 int num;
94300
94301 num = ((struct syscall_metadata *)call->data)->syscall_nr;
94302 + if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
94303 + return;
94304
94305 mutex_lock(&syscall_trace_lock);
94306 sys_perf_refcount_enter--;
94307 @@ -674,6 +678,8 @@ static int perf_sysexit_enable(struct ftrace_event_call *call)
94308 int num;
94309
94310 num = ((struct syscall_metadata *)call->data)->syscall_nr;
94311 + if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
94312 + return -EINVAL;
94313
94314 mutex_lock(&syscall_trace_lock);
94315 if (!sys_perf_refcount_exit)
94316 @@ -694,6 +700,8 @@ static void perf_sysexit_disable(struct ftrace_event_call *call)
94317 int num;
94318
94319 num = ((struct syscall_metadata *)call->data)->syscall_nr;
94320 + if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
94321 + return;
94322
94323 mutex_lock(&syscall_trace_lock);
94324 sys_perf_refcount_exit--;
94325 diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
94326 index a2e37c5..4fa859b 100644
94327 --- a/kernel/user_namespace.c
94328 +++ b/kernel/user_namespace.c
94329 @@ -83,6 +83,21 @@ int create_user_ns(struct cred *new)
94330 !kgid_has_mapping(parent_ns, group))
94331 return -EPERM;
94332
94333 +#ifdef CONFIG_GRKERNSEC
94334 + /*
94335 + * This doesn't really inspire confidence:
94336 + * http://marc.info/?l=linux-kernel&m=135543612731939&w=2
94337 + * http://marc.info/?l=linux-kernel&m=135545831607095&w=2
94338 + * Increases kernel attack surface in areas developers
94339 + * previously cared little about ("low importance due
94340 + * to requiring "root" capability")
94341 + * To be removed when this code receives *proper* review
94342 + */
94343 + if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SETUID) ||
94344 + !capable(CAP_SETGID))
94345 + return -EPERM;
94346 +#endif
94347 +
94348 ns = kmem_cache_zalloc(user_ns_cachep, GFP_KERNEL);
94349 if (!ns)
94350 return -ENOMEM;
94351 @@ -974,7 +989,7 @@ static int userns_install(struct nsproxy *nsproxy, void *ns)
94352 if (atomic_read(&current->mm->mm_users) > 1)
94353 return -EINVAL;
94354
94355 - if (current->fs->users != 1)
94356 + if (atomic_read(&current->fs->users) != 1)
94357 return -EINVAL;
94358
94359 if (!ns_capable(user_ns, CAP_SYS_ADMIN))
94360 diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c
94361 index c8eac43..4b5f08f 100644
94362 --- a/kernel/utsname_sysctl.c
94363 +++ b/kernel/utsname_sysctl.c
94364 @@ -47,7 +47,7 @@ static void put_uts(struct ctl_table *table, int write, void *which)
94365 static int proc_do_uts_string(struct ctl_table *table, int write,
94366 void __user *buffer, size_t *lenp, loff_t *ppos)
94367 {
94368 - struct ctl_table uts_table;
94369 + ctl_table_no_const uts_table;
94370 int r;
94371 memcpy(&uts_table, table, sizeof(uts_table));
94372 uts_table.data = get_uts(table, write);
94373 diff --git a/kernel/watchdog.c b/kernel/watchdog.c
94374 index 70bf118..4be3c37 100644
94375 --- a/kernel/watchdog.c
94376 +++ b/kernel/watchdog.c
94377 @@ -572,7 +572,7 @@ static int watchdog_nmi_enable(unsigned int cpu) { return 0; }
94378 static void watchdog_nmi_disable(unsigned int cpu) { return; }
94379 #endif /* CONFIG_HARDLOCKUP_DETECTOR */
94380
94381 -static struct smp_hotplug_thread watchdog_threads = {
94382 +static struct smp_hotplug_thread watchdog_threads __read_only = {
94383 .store = &softlockup_watchdog,
94384 .thread_should_run = watchdog_should_run,
94385 .thread_fn = watchdog,
94386 diff --git a/kernel/workqueue.c b/kernel/workqueue.c
94387 index 66940a5..a44fed0 100644
94388 --- a/kernel/workqueue.c
94389 +++ b/kernel/workqueue.c
94390 @@ -4499,7 +4499,7 @@ static void rebind_workers(struct worker_pool *pool)
94391 WARN_ON_ONCE(!(worker_flags & WORKER_UNBOUND));
94392 worker_flags |= WORKER_REBOUND;
94393 worker_flags &= ~WORKER_UNBOUND;
94394 - ACCESS_ONCE(worker->flags) = worker_flags;
94395 + ACCESS_ONCE_RW(worker->flags) = worker_flags;
94396 }
94397
94398 spin_unlock_irq(&pool->lock);
94399 diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
94400 index 4e35a5d..8a1f3f0 100644
94401 --- a/lib/Kconfig.debug
94402 +++ b/lib/Kconfig.debug
94403 @@ -894,7 +894,7 @@ config DEBUG_MUTEXES
94404
94405 config DEBUG_WW_MUTEX_SLOWPATH
94406 bool "Wait/wound mutex debugging: Slowpath testing"
94407 - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
94408 + depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN
94409 select DEBUG_LOCK_ALLOC
94410 select DEBUG_SPINLOCK
94411 select DEBUG_MUTEXES
94412 @@ -911,7 +911,7 @@ config DEBUG_WW_MUTEX_SLOWPATH
94413
94414 config DEBUG_LOCK_ALLOC
94415 bool "Lock debugging: detect incorrect freeing of live locks"
94416 - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
94417 + depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN
94418 select DEBUG_SPINLOCK
94419 select DEBUG_MUTEXES
94420 select LOCKDEP
94421 @@ -925,7 +925,7 @@ config DEBUG_LOCK_ALLOC
94422
94423 config PROVE_LOCKING
94424 bool "Lock debugging: prove locking correctness"
94425 - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
94426 + depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN
94427 select LOCKDEP
94428 select DEBUG_SPINLOCK
94429 select DEBUG_MUTEXES
94430 @@ -976,7 +976,7 @@ config LOCKDEP
94431
94432 config LOCK_STAT
94433 bool "Lock usage statistics"
94434 - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
94435 + depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN
94436 select LOCKDEP
94437 select DEBUG_SPINLOCK
94438 select DEBUG_MUTEXES
94439 @@ -1449,6 +1449,7 @@ config LATENCYTOP
94440 depends on DEBUG_KERNEL
94441 depends on STACKTRACE_SUPPORT
94442 depends on PROC_FS
94443 + depends on !GRKERNSEC_HIDESYM
94444 select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC
94445 select KALLSYMS
94446 select KALLSYMS_ALL
94447 @@ -1465,7 +1466,7 @@ config ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
94448 config DEBUG_STRICT_USER_COPY_CHECKS
94449 bool "Strict user copy size checks"
94450 depends on ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
94451 - depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING
94452 + depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING && !PAX_SIZE_OVERFLOW
94453 help
94454 Enabling this option turns a certain set of sanity checks for user
94455 copy operations into compile time failures.
94456 @@ -1593,7 +1594,7 @@ endmenu # runtime tests
94457
94458 config PROVIDE_OHCI1394_DMA_INIT
94459 bool "Remote debugging over FireWire early on boot"
94460 - depends on PCI && X86
94461 + depends on PCI && X86 && !GRKERNSEC
94462 help
94463 If you want to debug problems which hang or crash the kernel early
94464 on boot and the crashing machine has a FireWire port, you can use
94465 diff --git a/lib/Makefile b/lib/Makefile
94466 index 0211d2b..93f5cc3 100644
94467 --- a/lib/Makefile
94468 +++ b/lib/Makefile
94469 @@ -55,7 +55,7 @@ obj-$(CONFIG_BTREE) += btree.o
94470 obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
94471 obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
94472 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
94473 -obj-$(CONFIG_DEBUG_LIST) += list_debug.o
94474 +obj-y += list_debug.o
94475 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
94476
94477 ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
94478 diff --git a/lib/average.c b/lib/average.c
94479 index 114d1be..ab0350c 100644
94480 --- a/lib/average.c
94481 +++ b/lib/average.c
94482 @@ -55,7 +55,7 @@ struct ewma *ewma_add(struct ewma *avg, unsigned long val)
94483 {
94484 unsigned long internal = ACCESS_ONCE(avg->internal);
94485
94486 - ACCESS_ONCE(avg->internal) = internal ?
94487 + ACCESS_ONCE_RW(avg->internal) = internal ?
94488 (((internal << avg->weight) - internal) +
94489 (val << avg->factor)) >> avg->weight :
94490 (val << avg->factor);
94491 diff --git a/lib/bitmap.c b/lib/bitmap.c
94492 index b499ab6..fbdb76c 100644
94493 --- a/lib/bitmap.c
94494 +++ b/lib/bitmap.c
94495 @@ -433,7 +433,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
94496 {
94497 int c, old_c, totaldigits, ndigits, nchunks, nbits;
94498 u32 chunk;
94499 - const char __user __force *ubuf = (const char __user __force *)buf;
94500 + const char __user *ubuf = (const char __force_user *)buf;
94501
94502 bitmap_zero(maskp, nmaskbits);
94503
94504 @@ -518,7 +518,7 @@ int bitmap_parse_user(const char __user *ubuf,
94505 {
94506 if (!access_ok(VERIFY_READ, ubuf, ulen))
94507 return -EFAULT;
94508 - return __bitmap_parse((const char __force *)ubuf,
94509 + return __bitmap_parse((const char __force_kernel *)ubuf,
94510 ulen, 1, maskp, nmaskbits);
94511
94512 }
94513 @@ -609,7 +609,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen,
94514 {
94515 unsigned a, b;
94516 int c, old_c, totaldigits;
94517 - const char __user __force *ubuf = (const char __user __force *)buf;
94518 + const char __user *ubuf = (const char __force_user *)buf;
94519 int exp_digit, in_range;
94520
94521 totaldigits = c = 0;
94522 @@ -704,7 +704,7 @@ int bitmap_parselist_user(const char __user *ubuf,
94523 {
94524 if (!access_ok(VERIFY_READ, ubuf, ulen))
94525 return -EFAULT;
94526 - return __bitmap_parselist((const char __force *)ubuf,
94527 + return __bitmap_parselist((const char __force_kernel *)ubuf,
94528 ulen, 1, maskp, nmaskbits);
94529 }
94530 EXPORT_SYMBOL(bitmap_parselist_user);
94531 diff --git a/lib/bug.c b/lib/bug.c
94532 index d1d7c78..b354235 100644
94533 --- a/lib/bug.c
94534 +++ b/lib/bug.c
94535 @@ -137,6 +137,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
94536 return BUG_TRAP_TYPE_NONE;
94537
94538 bug = find_bug(bugaddr);
94539 + if (!bug)
94540 + return BUG_TRAP_TYPE_NONE;
94541
94542 file = NULL;
94543 line = 0;
94544 diff --git a/lib/debugobjects.c b/lib/debugobjects.c
94545 index 547f7f9..a6d4ba0 100644
94546 --- a/lib/debugobjects.c
94547 +++ b/lib/debugobjects.c
94548 @@ -289,7 +289,7 @@ static void debug_object_is_on_stack(void *addr, int onstack)
94549 if (limit > 4)
94550 return;
94551
94552 - is_on_stack = object_is_on_stack(addr);
94553 + is_on_stack = object_starts_on_stack(addr);
94554 if (is_on_stack == onstack)
94555 return;
94556
94557 diff --git a/lib/div64.c b/lib/div64.c
94558 index 4382ad7..08aa558 100644
94559 --- a/lib/div64.c
94560 +++ b/lib/div64.c
94561 @@ -59,7 +59,7 @@ uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
94562 EXPORT_SYMBOL(__div64_32);
94563
94564 #ifndef div_s64_rem
94565 -s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
94566 +s64 __intentional_overflow(-1) div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
94567 {
94568 u64 quotient;
94569
94570 @@ -130,7 +130,7 @@ EXPORT_SYMBOL(div64_u64_rem);
94571 * 'http://www.hackersdelight.org/HDcode/newCode/divDouble.c.txt'
94572 */
94573 #ifndef div64_u64
94574 -u64 div64_u64(u64 dividend, u64 divisor)
94575 +u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor)
94576 {
94577 u32 high = divisor >> 32;
94578 u64 quot;
94579 diff --git a/lib/dma-debug.c b/lib/dma-debug.c
94580 index add80cc..0d27550 100644
94581 --- a/lib/dma-debug.c
94582 +++ b/lib/dma-debug.c
94583 @@ -971,7 +971,7 @@ static int dma_debug_device_change(struct notifier_block *nb, unsigned long acti
94584
94585 void dma_debug_add_bus(struct bus_type *bus)
94586 {
94587 - struct notifier_block *nb;
94588 + notifier_block_no_const *nb;
94589
94590 if (global_disable)
94591 return;
94592 @@ -1148,7 +1148,7 @@ static void check_unmap(struct dma_debug_entry *ref)
94593
94594 static void check_for_stack(struct device *dev, void *addr)
94595 {
94596 - if (object_is_on_stack(addr))
94597 + if (object_starts_on_stack(addr))
94598 err_printk(dev, NULL, "DMA-API: device driver maps memory from "
94599 "stack [addr=%p]\n", addr);
94600 }
94601 diff --git a/lib/hash.c b/lib/hash.c
94602 index fea973f..386626f 100644
94603 --- a/lib/hash.c
94604 +++ b/lib/hash.c
94605 @@ -14,7 +14,7 @@
94606 #include <linux/hash.h>
94607 #include <linux/cache.h>
94608
94609 -static struct fast_hash_ops arch_hash_ops __read_mostly = {
94610 +static struct fast_hash_ops arch_hash_ops __read_only = {
94611 .hash = jhash,
94612 .hash2 = jhash2,
94613 };
94614 diff --git a/lib/inflate.c b/lib/inflate.c
94615 index 013a761..c28f3fc 100644
94616 --- a/lib/inflate.c
94617 +++ b/lib/inflate.c
94618 @@ -269,7 +269,7 @@ static void free(void *where)
94619 malloc_ptr = free_mem_ptr;
94620 }
94621 #else
94622 -#define malloc(a) kmalloc(a, GFP_KERNEL)
94623 +#define malloc(a) kmalloc((a), GFP_KERNEL)
94624 #define free(a) kfree(a)
94625 #endif
94626
94627 diff --git a/lib/ioremap.c b/lib/ioremap.c
94628 index 0c9216c..863bd89 100644
94629 --- a/lib/ioremap.c
94630 +++ b/lib/ioremap.c
94631 @@ -38,7 +38,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
94632 unsigned long next;
94633
94634 phys_addr -= addr;
94635 - pmd = pmd_alloc(&init_mm, pud, addr);
94636 + pmd = pmd_alloc_kernel(&init_mm, pud, addr);
94637 if (!pmd)
94638 return -ENOMEM;
94639 do {
94640 @@ -56,7 +56,7 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr,
94641 unsigned long next;
94642
94643 phys_addr -= addr;
94644 - pud = pud_alloc(&init_mm, pgd, addr);
94645 + pud = pud_alloc_kernel(&init_mm, pgd, addr);
94646 if (!pud)
94647 return -ENOMEM;
94648 do {
94649 diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c
94650 index bd2bea9..6b3c95e 100644
94651 --- a/lib/is_single_threaded.c
94652 +++ b/lib/is_single_threaded.c
94653 @@ -22,6 +22,9 @@ bool current_is_single_threaded(void)
94654 struct task_struct *p, *t;
94655 bool ret;
94656
94657 + if (!mm)
94658 + return true;
94659 +
94660 if (atomic_read(&task->signal->live) != 1)
94661 return false;
94662
94663 diff --git a/lib/kobject.c b/lib/kobject.c
94664 index 58751bb..93a1853 100644
94665 --- a/lib/kobject.c
94666 +++ b/lib/kobject.c
94667 @@ -931,9 +931,9 @@ EXPORT_SYMBOL_GPL(kset_create_and_add);
94668
94669
94670 static DEFINE_SPINLOCK(kobj_ns_type_lock);
94671 -static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES];
94672 +static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES] __read_only;
94673
94674 -int kobj_ns_type_register(const struct kobj_ns_type_operations *ops)
94675 +int __init kobj_ns_type_register(const struct kobj_ns_type_operations *ops)
94676 {
94677 enum kobj_ns_type type = ops->type;
94678 int error;
94679 diff --git a/lib/list_debug.c b/lib/list_debug.c
94680 index c24c2f7..f0296f4 100644
94681 --- a/lib/list_debug.c
94682 +++ b/lib/list_debug.c
94683 @@ -11,7 +11,9 @@
94684 #include <linux/bug.h>
94685 #include <linux/kernel.h>
94686 #include <linux/rculist.h>
94687 +#include <linux/mm.h>
94688
94689 +#ifdef CONFIG_DEBUG_LIST
94690 /*
94691 * Insert a new entry between two known consecutive entries.
94692 *
94693 @@ -19,21 +21,40 @@
94694 * the prev/next entries already!
94695 */
94696
94697 +static bool __list_add_debug(struct list_head *new,
94698 + struct list_head *prev,
94699 + struct list_head *next)
94700 +{
94701 + if (unlikely(next->prev != prev)) {
94702 + printk(KERN_ERR "list_add corruption. next->prev should be "
94703 + "prev (%p), but was %p. (next=%p).\n",
94704 + prev, next->prev, next);
94705 + BUG();
94706 + return false;
94707 + }
94708 + if (unlikely(prev->next != next)) {
94709 + printk(KERN_ERR "list_add corruption. prev->next should be "
94710 + "next (%p), but was %p. (prev=%p).\n",
94711 + next, prev->next, prev);
94712 + BUG();
94713 + return false;
94714 + }
94715 + if (unlikely(new == prev || new == next)) {
94716 + printk(KERN_ERR "list_add double add: new=%p, prev=%p, next=%p.\n",
94717 + new, prev, next);
94718 + BUG();
94719 + return false;
94720 + }
94721 + return true;
94722 +}
94723 +
94724 void __list_add(struct list_head *new,
94725 - struct list_head *prev,
94726 - struct list_head *next)
94727 + struct list_head *prev,
94728 + struct list_head *next)
94729 {
94730 - WARN(next->prev != prev,
94731 - "list_add corruption. next->prev should be "
94732 - "prev (%p), but was %p. (next=%p).\n",
94733 - prev, next->prev, next);
94734 - WARN(prev->next != next,
94735 - "list_add corruption. prev->next should be "
94736 - "next (%p), but was %p. (prev=%p).\n",
94737 - next, prev->next, prev);
94738 - WARN(new == prev || new == next,
94739 - "list_add double add: new=%p, prev=%p, next=%p.\n",
94740 - new, prev, next);
94741 + if (!__list_add_debug(new, prev, next))
94742 + return;
94743 +
94744 next->prev = new;
94745 new->next = next;
94746 new->prev = prev;
94747 @@ -41,28 +62,46 @@ void __list_add(struct list_head *new,
94748 }
94749 EXPORT_SYMBOL(__list_add);
94750
94751 -void __list_del_entry(struct list_head *entry)
94752 +static bool __list_del_entry_debug(struct list_head *entry)
94753 {
94754 struct list_head *prev, *next;
94755
94756 prev = entry->prev;
94757 next = entry->next;
94758
94759 - if (WARN(next == LIST_POISON1,
94760 - "list_del corruption, %p->next is LIST_POISON1 (%p)\n",
94761 - entry, LIST_POISON1) ||
94762 - WARN(prev == LIST_POISON2,
94763 - "list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
94764 - entry, LIST_POISON2) ||
94765 - WARN(prev->next != entry,
94766 - "list_del corruption. prev->next should be %p, "
94767 - "but was %p\n", entry, prev->next) ||
94768 - WARN(next->prev != entry,
94769 - "list_del corruption. next->prev should be %p, "
94770 - "but was %p\n", entry, next->prev))
94771 + if (unlikely(next == LIST_POISON1)) {
94772 + printk(KERN_ERR "list_del corruption, %p->next is LIST_POISON1 (%p)\n",
94773 + entry, LIST_POISON1);
94774 + BUG();
94775 + return false;
94776 + }
94777 + if (unlikely(prev == LIST_POISON2)) {
94778 + printk(KERN_ERR "list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
94779 + entry, LIST_POISON2);
94780 + BUG();
94781 + return false;
94782 + }
94783 + if (unlikely(entry->prev->next != entry)) {
94784 + printk(KERN_ERR "list_del corruption. prev->next should be %p, "
94785 + "but was %p\n", entry, prev->next);
94786 + BUG();
94787 + return false;
94788 + }
94789 + if (unlikely(entry->next->prev != entry)) {
94790 + printk(KERN_ERR "list_del corruption. next->prev should be %p, "
94791 + "but was %p\n", entry, next->prev);
94792 + BUG();
94793 + return false;
94794 + }
94795 + return true;
94796 +}
94797 +
94798 +void __list_del_entry(struct list_head *entry)
94799 +{
94800 + if (!__list_del_entry_debug(entry))
94801 return;
94802
94803 - __list_del(prev, next);
94804 + __list_del(entry->prev, entry->next);
94805 }
94806 EXPORT_SYMBOL(__list_del_entry);
94807
94808 @@ -86,15 +125,85 @@ EXPORT_SYMBOL(list_del);
94809 void __list_add_rcu(struct list_head *new,
94810 struct list_head *prev, struct list_head *next)
94811 {
94812 - WARN(next->prev != prev,
94813 - "list_add_rcu corruption. next->prev should be prev (%p), but was %p. (next=%p).\n",
94814 - prev, next->prev, next);
94815 - WARN(prev->next != next,
94816 - "list_add_rcu corruption. prev->next should be next (%p), but was %p. (prev=%p).\n",
94817 - next, prev->next, prev);
94818 + if (!__list_add_debug(new, prev, next))
94819 + return;
94820 +
94821 new->next = next;
94822 new->prev = prev;
94823 rcu_assign_pointer(list_next_rcu(prev), new);
94824 next->prev = new;
94825 }
94826 EXPORT_SYMBOL(__list_add_rcu);
94827 +#endif
94828 +
94829 +void __pax_list_add(struct list_head *new, struct list_head *prev, struct list_head *next)
94830 +{
94831 +#ifdef CONFIG_DEBUG_LIST
94832 + if (!__list_add_debug(new, prev, next))
94833 + return;
94834 +#endif
94835 +
94836 + pax_open_kernel();
94837 + next->prev = new;
94838 + new->next = next;
94839 + new->prev = prev;
94840 + prev->next = new;
94841 + pax_close_kernel();
94842 +}
94843 +EXPORT_SYMBOL(__pax_list_add);
94844 +
94845 +void pax_list_del(struct list_head *entry)
94846 +{
94847 +#ifdef CONFIG_DEBUG_LIST
94848 + if (!__list_del_entry_debug(entry))
94849 + return;
94850 +#endif
94851 +
94852 + pax_open_kernel();
94853 + __list_del(entry->prev, entry->next);
94854 + entry->next = LIST_POISON1;
94855 + entry->prev = LIST_POISON2;
94856 + pax_close_kernel();
94857 +}
94858 +EXPORT_SYMBOL(pax_list_del);
94859 +
94860 +void pax_list_del_init(struct list_head *entry)
94861 +{
94862 + pax_open_kernel();
94863 + __list_del(entry->prev, entry->next);
94864 + INIT_LIST_HEAD(entry);
94865 + pax_close_kernel();
94866 +}
94867 +EXPORT_SYMBOL(pax_list_del_init);
94868 +
94869 +void __pax_list_add_rcu(struct list_head *new,
94870 + struct list_head *prev, struct list_head *next)
94871 +{
94872 +#ifdef CONFIG_DEBUG_LIST
94873 + if (!__list_add_debug(new, prev, next))
94874 + return;
94875 +#endif
94876 +
94877 + pax_open_kernel();
94878 + new->next = next;
94879 + new->prev = prev;
94880 + rcu_assign_pointer(list_next_rcu(prev), new);
94881 + next->prev = new;
94882 + pax_close_kernel();
94883 +}
94884 +EXPORT_SYMBOL(__pax_list_add_rcu);
94885 +
94886 +void pax_list_del_rcu(struct list_head *entry)
94887 +{
94888 +#ifdef CONFIG_DEBUG_LIST
94889 + if (!__list_del_entry_debug(entry))
94890 + return;
94891 +#endif
94892 +
94893 + pax_open_kernel();
94894 + __list_del(entry->prev, entry->next);
94895 + entry->next = LIST_POISON1;
94896 + entry->prev = LIST_POISON2;
94897 + pax_close_kernel();
94898 +}
94899 +EXPORT_SYMBOL(pax_list_del_rcu);
94900 diff --git a/lib/lockref.c b/lib/lockref.c
94901 index d2233de..fa1a2f6 100644
94902 --- a/lib/lockref.c
94903 +++ b/lib/lockref.c
94904 @@ -48,13 +48,13 @@
94905 void lockref_get(struct lockref *lockref)
94906 {
94907 CMPXCHG_LOOP(
94908 - new.count++;
94909 + __lockref_inc(&new);
94910 ,
94911 return;
94912 );
94913
94914 spin_lock(&lockref->lock);
94915 - lockref->count++;
94916 + __lockref_inc(lockref);
94917 spin_unlock(&lockref->lock);
94918 }
94919 EXPORT_SYMBOL(lockref_get);
94920 @@ -69,7 +69,7 @@ int lockref_get_not_zero(struct lockref *lockref)
94921 int retval;
94922
94923 CMPXCHG_LOOP(
94924 - new.count++;
94925 + __lockref_inc(&new);
94926 if (!old.count)
94927 return 0;
94928 ,
94929 @@ -79,7 +79,7 @@ int lockref_get_not_zero(struct lockref *lockref)
94930 spin_lock(&lockref->lock);
94931 retval = 0;
94932 if (lockref->count) {
94933 - lockref->count++;
94934 + __lockref_inc(lockref);
94935 retval = 1;
94936 }
94937 spin_unlock(&lockref->lock);
94938 @@ -96,7 +96,7 @@ EXPORT_SYMBOL(lockref_get_not_zero);
94939 int lockref_get_or_lock(struct lockref *lockref)
94940 {
94941 CMPXCHG_LOOP(
94942 - new.count++;
94943 + __lockref_inc(&new);
94944 if (!old.count)
94945 break;
94946 ,
94947 @@ -106,7 +106,7 @@ int lockref_get_or_lock(struct lockref *lockref)
94948 spin_lock(&lockref->lock);
94949 if (!lockref->count)
94950 return 0;
94951 - lockref->count++;
94952 + __lockref_inc(lockref);
94953 spin_unlock(&lockref->lock);
94954 return 1;
94955 }
94956 @@ -120,7 +120,7 @@ EXPORT_SYMBOL(lockref_get_or_lock);
94957 int lockref_put_or_lock(struct lockref *lockref)
94958 {
94959 CMPXCHG_LOOP(
94960 - new.count--;
94961 + __lockref_dec(&new);
94962 if (old.count <= 1)
94963 break;
94964 ,
94965 @@ -130,7 +130,7 @@ int lockref_put_or_lock(struct lockref *lockref)
94966 spin_lock(&lockref->lock);
94967 if (lockref->count <= 1)
94968 return 0;
94969 - lockref->count--;
94970 + __lockref_dec(lockref);
94971 spin_unlock(&lockref->lock);
94972 return 1;
94973 }
94974 @@ -157,7 +157,7 @@ int lockref_get_not_dead(struct lockref *lockref)
94975 int retval;
94976
94977 CMPXCHG_LOOP(
94978 - new.count++;
94979 + __lockref_inc(&new);
94980 if ((int)old.count < 0)
94981 return 0;
94982 ,
94983 @@ -167,7 +167,7 @@ int lockref_get_not_dead(struct lockref *lockref)
94984 spin_lock(&lockref->lock);
94985 retval = 0;
94986 if ((int) lockref->count >= 0) {
94987 - lockref->count++;
94988 + __lockref_inc(lockref);
94989 retval = 1;
94990 }
94991 spin_unlock(&lockref->lock);
94992 diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
94993 index 6111bcb..02e816b 100644
94994 --- a/lib/percpu-refcount.c
94995 +++ b/lib/percpu-refcount.c
94996 @@ -31,7 +31,7 @@
94997 * atomic_long_t can't hit 0 before we've added up all the percpu refs.
94998 */
94999
95000 -#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 1))
95001 +#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 2))
95002
95003 static DECLARE_WAIT_QUEUE_HEAD(percpu_ref_switch_waitq);
95004
95005 diff --git a/lib/radix-tree.c b/lib/radix-tree.c
95006 index 3291a8e..346a91e 100644
95007 --- a/lib/radix-tree.c
95008 +++ b/lib/radix-tree.c
95009 @@ -67,7 +67,7 @@ struct radix_tree_preload {
95010 int nr;
95011 struct radix_tree_node *nodes[RADIX_TREE_PRELOAD_SIZE];
95012 };
95013 -static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
95014 +static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads);
95015
95016 static inline void *ptr_to_indirect(void *ptr)
95017 {
95018 diff --git a/lib/random32.c b/lib/random32.c
95019 index 0bee183..526f12f 100644
95020 --- a/lib/random32.c
95021 +++ b/lib/random32.c
95022 @@ -47,7 +47,7 @@ static inline void prandom_state_selftest(void)
95023 }
95024 #endif
95025
95026 -static DEFINE_PER_CPU(struct rnd_state, net_rand_state);
95027 +static DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy;
95028
95029 /**
95030 * prandom_u32_state - seeded pseudo-random number generator.
95031 diff --git a/lib/rbtree.c b/lib/rbtree.c
95032 index c16c81a..4dcbda1 100644
95033 --- a/lib/rbtree.c
95034 +++ b/lib/rbtree.c
95035 @@ -380,7 +380,9 @@ static inline void dummy_copy(struct rb_node *old, struct rb_node *new) {}
95036 static inline void dummy_rotate(struct rb_node *old, struct rb_node *new) {}
95037
95038 static const struct rb_augment_callbacks dummy_callbacks = {
95039 - dummy_propagate, dummy_copy, dummy_rotate
95040 + .propagate = dummy_propagate,
95041 + .copy = dummy_copy,
95042 + .rotate = dummy_rotate
95043 };
95044
95045 void rb_insert_color(struct rb_node *node, struct rb_root *root)
95046 diff --git a/lib/show_mem.c b/lib/show_mem.c
95047 index 5e25627..3ed9d7f 100644
95048 --- a/lib/show_mem.c
95049 +++ b/lib/show_mem.c
95050 @@ -44,6 +44,6 @@ void show_mem(unsigned int filter)
95051 quicklist_total_size());
95052 #endif
95053 #ifdef CONFIG_MEMORY_FAILURE
95054 - printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
95055 + printk("%lu pages hwpoisoned\n", atomic_long_read_unchecked(&num_poisoned_pages));
95056 #endif
95057 }
95058 diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
95059 index bb2b201..46abaf9 100644
95060 --- a/lib/strncpy_from_user.c
95061 +++ b/lib/strncpy_from_user.c
95062 @@ -21,7 +21,7 @@
95063 */
95064 static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max)
95065 {
95066 - const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
95067 + static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
95068 long res = 0;
95069
95070 /*
95071 diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
95072 index a28df52..3d55877 100644
95073 --- a/lib/strnlen_user.c
95074 +++ b/lib/strnlen_user.c
95075 @@ -26,7 +26,7 @@
95076 */
95077 static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max)
95078 {
95079 - const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
95080 + static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
95081 long align, res = 0;
95082 unsigned long c;
95083
95084 diff --git a/lib/swiotlb.c b/lib/swiotlb.c
95085 index 4abda07..b9d3765 100644
95086 --- a/lib/swiotlb.c
95087 +++ b/lib/swiotlb.c
95088 @@ -682,7 +682,7 @@ EXPORT_SYMBOL(swiotlb_alloc_coherent);
95089
95090 void
95091 swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
95092 - dma_addr_t dev_addr)
95093 + dma_addr_t dev_addr, struct dma_attrs *attrs)
95094 {
95095 phys_addr_t paddr = dma_to_phys(hwdev, dev_addr);
95096
95097 diff --git a/lib/usercopy.c b/lib/usercopy.c
95098 index 4f5b1dd..7cab418 100644
95099 --- a/lib/usercopy.c
95100 +++ b/lib/usercopy.c
95101 @@ -7,3 +7,9 @@ void copy_from_user_overflow(void)
95102 WARN(1, "Buffer overflow detected!\n");
95103 }
95104 EXPORT_SYMBOL(copy_from_user_overflow);
95105 +
95106 +void copy_to_user_overflow(void)
95107 +{
95108 + WARN(1, "Buffer overflow detected!\n");
95109 +}
95110 +EXPORT_SYMBOL(copy_to_user_overflow);
95111 diff --git a/lib/vsprintf.c b/lib/vsprintf.c
95112 index ec337f6..8484eb2 100644
95113 --- a/lib/vsprintf.c
95114 +++ b/lib/vsprintf.c
95115 @@ -16,6 +16,9 @@
95116 * - scnprintf and vscnprintf
95117 */
95118
95119 +#ifdef CONFIG_GRKERNSEC_HIDESYM
95120 +#define __INCLUDED_BY_HIDESYM 1
95121 +#endif
95122 #include <stdarg.h>
95123 #include <linux/module.h> /* for KSYM_SYMBOL_LEN */
95124 #include <linux/types.h>
95125 @@ -625,7 +628,7 @@ char *symbol_string(char *buf, char *end, void *ptr,
95126 #ifdef CONFIG_KALLSYMS
95127 if (*fmt == 'B')
95128 sprint_backtrace(sym, value);
95129 - else if (*fmt != 'f' && *fmt != 's')
95130 + else if (*fmt != 'f' && *fmt != 's' && *fmt != 'X')
95131 sprint_symbol(sym, value);
95132 else
95133 sprint_symbol_no_offset(sym, value);
95134 @@ -1240,7 +1243,11 @@ char *address_val(char *buf, char *end, const void *addr,
95135 return number(buf, end, num, spec);
95136 }
95137
95138 +#ifdef CONFIG_GRKERNSEC_HIDESYM
95139 +int kptr_restrict __read_mostly = 2;
95140 +#else
95141 int kptr_restrict __read_mostly;
95142 +#endif
95143
95144 /*
95145 * Show a '%p' thing. A kernel extension is that the '%p' is followed
95146 @@ -1251,8 +1258,10 @@ int kptr_restrict __read_mostly;
95147 *
95148 * - 'F' For symbolic function descriptor pointers with offset
95149 * - 'f' For simple symbolic function names without offset
95150 + * - 'X' For simple symbolic function names without offset approved for use with GRKERNSEC_HIDESYM
95151 * - 'S' For symbolic direct pointers with offset
95152 * - 's' For symbolic direct pointers without offset
95153 + * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM
95154 * - '[FfSs]R' as above with __builtin_extract_return_addr() translation
95155 * - 'B' For backtraced symbolic direct pointers with offset
95156 * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref]
95157 @@ -1331,12 +1340,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
95158
95159 if (!ptr && *fmt != 'K') {
95160 /*
95161 - * Print (null) with the same width as a pointer so it makes
95162 + * Print (nil) with the same width as a pointer so it makes
95163 * tabular output look nice.
95164 */
95165 if (spec.field_width == -1)
95166 spec.field_width = default_width;
95167 - return string(buf, end, "(null)", spec);
95168 + return string(buf, end, "(nil)", spec);
95169 }
95170
95171 switch (*fmt) {
95172 @@ -1346,6 +1355,14 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
95173 /* Fallthrough */
95174 case 'S':
95175 case 's':
95176 +#ifdef CONFIG_GRKERNSEC_HIDESYM
95177 + break;
95178 +#else
95179 + return symbol_string(buf, end, ptr, spec, fmt);
95180 +#endif
95181 + case 'X':
95182 + ptr = dereference_function_descriptor(ptr);
95183 + case 'A':
95184 case 'B':
95185 return symbol_string(buf, end, ptr, spec, fmt);
95186 case 'R':
95187 @@ -1403,6 +1420,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
95188 va_end(va);
95189 return buf;
95190 }
95191 + case 'P':
95192 + break;
95193 case 'K':
95194 /*
95195 * %pK cannot be used in IRQ context because its test
95196 @@ -1460,6 +1479,22 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
95197 ((const struct file *)ptr)->f_path.dentry,
95198 spec, fmt);
95199 }
95200 +
95201 +#ifdef CONFIG_GRKERNSEC_HIDESYM
95202 + /* 'P' = approved pointers to copy to userland,
95203 + as in the /proc/kallsyms case, as we make it display nothing
95204 + for non-root users, and the real contents for root users
95205 + 'X' = approved simple symbols
95206 + Also ignore 'K' pointers, since we force their NULLing for non-root users
95207 + above
95208 + */
95209 + if ((unsigned long)ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'X' && *fmt != 'K' && is_usercopy_object(buf)) {
95210 + printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender@grsecurity.net.\n");
95211 + dump_stack();
95212 + ptr = NULL;
95213 + }
95214 +#endif
95215 +
95216 spec.flags |= SMALL;
95217 if (spec.field_width == -1) {
95218 spec.field_width = default_width;
95219 @@ -2160,11 +2195,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
95220 typeof(type) value; \
95221 if (sizeof(type) == 8) { \
95222 args = PTR_ALIGN(args, sizeof(u32)); \
95223 - *(u32 *)&value = *(u32 *)args; \
95224 - *((u32 *)&value + 1) = *(u32 *)(args + 4); \
95225 + *(u32 *)&value = *(const u32 *)args; \
95226 + *((u32 *)&value + 1) = *(const u32 *)(args + 4); \
95227 } else { \
95228 args = PTR_ALIGN(args, sizeof(type)); \
95229 - value = *(typeof(type) *)args; \
95230 + value = *(const typeof(type) *)args; \
95231 } \
95232 args += sizeof(type); \
95233 value; \
95234 @@ -2227,7 +2262,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
95235 case FORMAT_TYPE_STR: {
95236 const char *str_arg = args;
95237 args += strlen(str_arg) + 1;
95238 - str = string(str, end, (char *)str_arg, spec);
95239 + str = string(str, end, str_arg, spec);
95240 break;
95241 }
95242
95243 diff --git a/localversion-grsec b/localversion-grsec
95244 new file mode 100644
95245 index 0000000..7cd6065
95246 --- /dev/null
95247 +++ b/localversion-grsec
95248 @@ -0,0 +1 @@
95249 +-grsec
95250 diff --git a/mm/Kconfig b/mm/Kconfig
95251 index 1d1ae6b..0f05885 100644
95252 --- a/mm/Kconfig
95253 +++ b/mm/Kconfig
95254 @@ -341,10 +341,11 @@ config KSM
95255 root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set).
95256
95257 config DEFAULT_MMAP_MIN_ADDR
95258 - int "Low address space to protect from user allocation"
95259 + int "Low address space to protect from user allocation"
95260 depends on MMU
95261 - default 4096
95262 - help
95263 + default 32768 if ALPHA || ARM || PARISC || SPARC32
95264 + default 65536
95265 + help
95266 This is the portion of low virtual memory which should be protected
95267 from userspace allocation. Keeping a user from writing to low pages
95268 can help reduce the impact of kernel NULL pointer bugs.
95269 @@ -375,7 +376,7 @@ config MEMORY_FAILURE
95270
95271 config HWPOISON_INJECT
95272 tristate "HWPoison pages injector"
95273 - depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS
95274 + depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS && !GRKERNSEC
95275 select PROC_PAGE_MONITOR
95276
95277 config NOMMU_INITIAL_TRIM_EXCESS
95278 diff --git a/mm/backing-dev.c b/mm/backing-dev.c
95279 index 0ae0df5..82ac56b 100644
95280 --- a/mm/backing-dev.c
95281 +++ b/mm/backing-dev.c
95282 @@ -12,7 +12,7 @@
95283 #include <linux/device.h>
95284 #include <trace/events/writeback.h>
95285
95286 -static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0);
95287 +static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0);
95288
95289 struct backing_dev_info default_backing_dev_info = {
95290 .name = "default",
95291 @@ -525,7 +525,7 @@ int bdi_setup_and_register(struct backing_dev_info *bdi, char *name,
95292 return err;
95293
95294 err = bdi_register(bdi, NULL, "%.28s-%ld", name,
95295 - atomic_long_inc_return(&bdi_seq));
95296 + atomic_long_inc_return_unchecked(&bdi_seq));
95297 if (err) {
95298 bdi_destroy(bdi);
95299 return err;
95300 diff --git a/mm/filemap.c b/mm/filemap.c
95301 index 37beab9..2c55a85 100644
95302 --- a/mm/filemap.c
95303 +++ b/mm/filemap.c
95304 @@ -2097,7 +2097,7 @@ int generic_file_mmap(struct file * file, struct vm_area_struct * vma)
95305 struct address_space *mapping = file->f_mapping;
95306
95307 if (!mapping->a_ops->readpage)
95308 - return -ENOEXEC;
95309 + return -ENODEV;
95310 file_accessed(file);
95311 vma->vm_ops = &generic_file_vm_ops;
95312 return 0;
95313 @@ -2275,6 +2275,7 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i
95314 *pos = i_size_read(inode);
95315
95316 if (limit != RLIM_INFINITY) {
95317 + gr_learn_resource(current, RLIMIT_FSIZE,*pos, 0);
95318 if (*pos >= limit) {
95319 send_sig(SIGXFSZ, current, 0);
95320 return -EFBIG;
95321 diff --git a/mm/fremap.c b/mm/fremap.c
95322 index 72b8fa3..c5b39f1 100644
95323 --- a/mm/fremap.c
95324 +++ b/mm/fremap.c
95325 @@ -180,6 +180,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
95326 retry:
95327 vma = find_vma(mm, start);
95328
95329 +#ifdef CONFIG_PAX_SEGMEXEC
95330 + if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC))
95331 + goto out;
95332 +#endif
95333 +
95334 /*
95335 * Make sure the vma is shared, that it supports prefaulting,
95336 * and that the remapped range is valid and fully within
95337 diff --git a/mm/gup.c b/mm/gup.c
95338 index cd62c8c..3bb2053 100644
95339 --- a/mm/gup.c
95340 +++ b/mm/gup.c
95341 @@ -274,11 +274,6 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma,
95342 unsigned int fault_flags = 0;
95343 int ret;
95344
95345 - /* For mlock, just skip the stack guard page. */
95346 - if ((*flags & FOLL_MLOCK) &&
95347 - (stack_guard_page_start(vma, address) ||
95348 - stack_guard_page_end(vma, address + PAGE_SIZE)))
95349 - return -ENOENT;
95350 if (*flags & FOLL_WRITE)
95351 fault_flags |= FAULT_FLAG_WRITE;
95352 if (nonblocking)
95353 @@ -444,14 +439,14 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
95354 if (!(gup_flags & FOLL_FORCE))
95355 gup_flags |= FOLL_NUMA;
95356
95357 - do {
95358 + while (nr_pages) {
95359 struct page *page;
95360 unsigned int foll_flags = gup_flags;
95361 unsigned int page_increm;
95362
95363 /* first iteration or cross vma bound */
95364 if (!vma || start >= vma->vm_end) {
95365 - vma = find_extend_vma(mm, start);
95366 + vma = find_vma(mm, start);
95367 if (!vma && in_gate_area(mm, start)) {
95368 int ret;
95369 ret = get_gate_page(mm, start & PAGE_MASK,
95370 @@ -463,7 +458,7 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
95371 goto next_page;
95372 }
95373
95374 - if (!vma || check_vma_flags(vma, gup_flags))
95375 + if (!vma || start < vma->vm_start || check_vma_flags(vma, gup_flags))
95376 return i ? : -EFAULT;
95377 if (is_vm_hugetlb_page(vma)) {
95378 i = follow_hugetlb_page(mm, vma, pages, vmas,
95379 @@ -518,7 +513,7 @@ next_page:
95380 i += page_increm;
95381 start += page_increm * PAGE_SIZE;
95382 nr_pages -= page_increm;
95383 - } while (nr_pages);
95384 + }
95385 return i;
95386 }
95387 EXPORT_SYMBOL(__get_user_pages);
95388 diff --git a/mm/highmem.c b/mm/highmem.c
95389 index 123bcd3..0de52ba 100644
95390 --- a/mm/highmem.c
95391 +++ b/mm/highmem.c
95392 @@ -195,8 +195,9 @@ static void flush_all_zero_pkmaps(void)
95393 * So no dangers, even with speculative execution.
95394 */
95395 page = pte_page(pkmap_page_table[i]);
95396 + pax_open_kernel();
95397 pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]);
95398 -
95399 + pax_close_kernel();
95400 set_page_address(page, NULL);
95401 need_flush = 1;
95402 }
95403 @@ -259,9 +260,11 @@ start:
95404 }
95405 }
95406 vaddr = PKMAP_ADDR(last_pkmap_nr);
95407 +
95408 + pax_open_kernel();
95409 set_pte_at(&init_mm, vaddr,
95410 &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot));
95411 -
95412 + pax_close_kernel();
95413 pkmap_count[last_pkmap_nr] = 1;
95414 set_page_address(page, (void *)vaddr);
95415
95416 diff --git a/mm/hugetlb.c b/mm/hugetlb.c
95417 index 9fd7227..5628939 100644
95418 --- a/mm/hugetlb.c
95419 +++ b/mm/hugetlb.c
95420 @@ -2258,6 +2258,7 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy,
95421 struct ctl_table *table, int write,
95422 void __user *buffer, size_t *length, loff_t *ppos)
95423 {
95424 + ctl_table_no_const t;
95425 struct hstate *h = &default_hstate;
95426 unsigned long tmp = h->max_huge_pages;
95427 int ret;
95428 @@ -2265,9 +2266,10 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy,
95429 if (!hugepages_supported())
95430 return -ENOTSUPP;
95431
95432 - table->data = &tmp;
95433 - table->maxlen = sizeof(unsigned long);
95434 - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos);
95435 + t = *table;
95436 + t.data = &tmp;
95437 + t.maxlen = sizeof(unsigned long);
95438 + ret = proc_doulongvec_minmax(&t, write, buffer, length, ppos);
95439 if (ret)
95440 goto out;
95441
95442 @@ -2302,6 +2304,7 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write,
95443 struct hstate *h = &default_hstate;
95444 unsigned long tmp;
95445 int ret;
95446 + ctl_table_no_const hugetlb_table;
95447
95448 if (!hugepages_supported())
95449 return -ENOTSUPP;
95450 @@ -2311,9 +2314,10 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write,
95451 if (write && hstate_is_gigantic(h))
95452 return -EINVAL;
95453
95454 - table->data = &tmp;
95455 - table->maxlen = sizeof(unsigned long);
95456 - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos);
95457 + hugetlb_table = *table;
95458 + hugetlb_table.data = &tmp;
95459 + hugetlb_table.maxlen = sizeof(unsigned long);
95460 + ret = proc_doulongvec_minmax(&hugetlb_table, write, buffer, length, ppos);
95461 if (ret)
95462 goto out;
95463
95464 @@ -2792,6 +2796,27 @@ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
95465 mutex_unlock(&mapping->i_mmap_mutex);
95466 }
95467
95468 +#ifdef CONFIG_PAX_SEGMEXEC
95469 +static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m)
95470 +{
95471 + struct mm_struct *mm = vma->vm_mm;
95472 + struct vm_area_struct *vma_m;
95473 + unsigned long address_m;
95474 + pte_t *ptep_m;
95475 +
95476 + vma_m = pax_find_mirror_vma(vma);
95477 + if (!vma_m)
95478 + return;
95479 +
95480 + BUG_ON(address >= SEGMEXEC_TASK_SIZE);
95481 + address_m = address + SEGMEXEC_TASK_SIZE;
95482 + ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK);
95483 + get_page(page_m);
95484 + hugepage_add_anon_rmap(page_m, vma_m, address_m);
95485 + set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0));
95486 +}
95487 +#endif
95488 +
95489 /*
95490 * Hugetlb_cow() should be called with page lock of the original hugepage held.
95491 * Called with hugetlb_instantiation_mutex held and pte_page locked so we
95492 @@ -2903,6 +2928,11 @@ retry_avoidcopy:
95493 make_huge_pte(vma, new_page, 1));
95494 page_remove_rmap(old_page);
95495 hugepage_add_new_anon_rmap(new_page, vma, address);
95496 +
95497 +#ifdef CONFIG_PAX_SEGMEXEC
95498 + pax_mirror_huge_pte(vma, address, new_page);
95499 +#endif
95500 +
95501 /* Make the old page be freed below */
95502 new_page = old_page;
95503 }
95504 @@ -3063,6 +3093,10 @@ retry:
95505 && (vma->vm_flags & VM_SHARED)));
95506 set_huge_pte_at(mm, address, ptep, new_pte);
95507
95508 +#ifdef CONFIG_PAX_SEGMEXEC
95509 + pax_mirror_huge_pte(vma, address, page);
95510 +#endif
95511 +
95512 if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
95513 /* Optimization, do the COW without a second fault */
95514 ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page, ptl);
95515 @@ -3129,6 +3163,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
95516 struct hstate *h = hstate_vma(vma);
95517 struct address_space *mapping;
95518
95519 +#ifdef CONFIG_PAX_SEGMEXEC
95520 + struct vm_area_struct *vma_m;
95521 +#endif
95522 +
95523 address &= huge_page_mask(h);
95524
95525 ptep = huge_pte_offset(mm, address);
95526 @@ -3142,6 +3180,26 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
95527 VM_FAULT_SET_HINDEX(hstate_index(h));
95528 }
95529
95530 +#ifdef CONFIG_PAX_SEGMEXEC
95531 + vma_m = pax_find_mirror_vma(vma);
95532 + if (vma_m) {
95533 + unsigned long address_m;
95534 +
95535 + if (vma->vm_start > vma_m->vm_start) {
95536 + address_m = address;
95537 + address -= SEGMEXEC_TASK_SIZE;
95538 + vma = vma_m;
95539 + h = hstate_vma(vma);
95540 + } else
95541 + address_m = address + SEGMEXEC_TASK_SIZE;
95542 +
95543 + if (!huge_pte_alloc(mm, address_m, huge_page_size(h)))
95544 + return VM_FAULT_OOM;
95545 + address_m &= HPAGE_MASK;
95546 + unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL);
95547 + }
95548 +#endif
95549 +
95550 ptep = huge_pte_alloc(mm, address, huge_page_size(h));
95551 if (!ptep)
95552 return VM_FAULT_OOM;
95553 diff --git a/mm/internal.h b/mm/internal.h
95554 index a4f90ba..fbdc32b 100644
95555 --- a/mm/internal.h
95556 +++ b/mm/internal.h
95557 @@ -134,6 +134,7 @@ __find_buddy_index(unsigned long page_idx, unsigned int order)
95558
95559 extern int __isolate_free_page(struct page *page, unsigned int order);
95560 extern void __free_pages_bootmem(struct page *page, unsigned int order);
95561 +extern void free_compound_page(struct page *page);
95562 extern void prep_compound_page(struct page *page, unsigned long order);
95563 #ifdef CONFIG_MEMORY_FAILURE
95564 extern bool is_free_buddy_page(struct page *page);
95565 @@ -390,7 +391,7 @@ extern u32 hwpoison_filter_enable;
95566
95567 extern unsigned long vm_mmap_pgoff(struct file *, unsigned long,
95568 unsigned long, unsigned long,
95569 - unsigned long, unsigned long);
95570 + unsigned long, unsigned long) __intentional_overflow(-1);
95571
95572 extern void set_pageblock_order(void);
95573 unsigned long reclaim_clean_pages_from_list(struct zone *zone,
95574 diff --git a/mm/iov_iter.c b/mm/iov_iter.c
95575 index e34a3cb..a810efe 100644
95576 --- a/mm/iov_iter.c
95577 +++ b/mm/iov_iter.c
95578 @@ -307,7 +307,7 @@ static size_t __iovec_copy_from_user_inatomic(char *vaddr,
95579
95580 while (bytes) {
95581 char __user *buf = iov->iov_base + base;
95582 - int copy = min(bytes, iov->iov_len - base);
95583 + size_t copy = min(bytes, iov->iov_len - base);
95584
95585 base = 0;
95586 left = __copy_from_user_inatomic(vaddr, buf, copy);
95587 @@ -335,7 +335,7 @@ static size_t copy_from_user_atomic_iovec(struct page *page,
95588
95589 kaddr = kmap_atomic(page);
95590 if (likely(i->nr_segs == 1)) {
95591 - int left;
95592 + size_t left;
95593 char __user *buf = i->iov->iov_base + i->iov_offset;
95594 left = __copy_from_user_inatomic(kaddr + offset, buf, bytes);
95595 copied = bytes - left;
95596 @@ -365,7 +365,7 @@ static void advance_iovec(struct iov_iter *i, size_t bytes)
95597 * zero-length segments (without overruning the iovec).
95598 */
95599 while (bytes || unlikely(i->count && !iov->iov_len)) {
95600 - int copy;
95601 + size_t copy;
95602
95603 copy = min(bytes, iov->iov_len - base);
95604 BUG_ON(!i->count || i->count < copy);
95605 diff --git a/mm/kmemleak.c b/mm/kmemleak.c
95606 index 3cda50c..032ba634 100644
95607 --- a/mm/kmemleak.c
95608 +++ b/mm/kmemleak.c
95609 @@ -364,7 +364,7 @@ static void print_unreferenced(struct seq_file *seq,
95610
95611 for (i = 0; i < object->trace_len; i++) {
95612 void *ptr = (void *)object->trace[i];
95613 - seq_printf(seq, " [<%p>] %pS\n", ptr, ptr);
95614 + seq_printf(seq, " [<%pP>] %pA\n", ptr, ptr);
95615 }
95616 }
95617
95618 @@ -1905,7 +1905,7 @@ static int __init kmemleak_late_init(void)
95619 return -ENOMEM;
95620 }
95621
95622 - dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL,
95623 + dentry = debugfs_create_file("kmemleak", S_IRUSR, NULL, NULL,
95624 &kmemleak_fops);
95625 if (!dentry)
95626 pr_warning("Failed to create the debugfs kmemleak file\n");
95627 diff --git a/mm/maccess.c b/mm/maccess.c
95628 index d53adf9..03a24bf 100644
95629 --- a/mm/maccess.c
95630 +++ b/mm/maccess.c
95631 @@ -26,7 +26,7 @@ long __probe_kernel_read(void *dst, const void *src, size_t size)
95632 set_fs(KERNEL_DS);
95633 pagefault_disable();
95634 ret = __copy_from_user_inatomic(dst,
95635 - (__force const void __user *)src, size);
95636 + (const void __force_user *)src, size);
95637 pagefault_enable();
95638 set_fs(old_fs);
95639
95640 @@ -53,7 +53,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size)
95641
95642 set_fs(KERNEL_DS);
95643 pagefault_disable();
95644 - ret = __copy_to_user_inatomic((__force void __user *)dst, src, size);
95645 + ret = __copy_to_user_inatomic((void __force_user *)dst, src, size);
95646 pagefault_enable();
95647 set_fs(old_fs);
95648
95649 diff --git a/mm/madvise.c b/mm/madvise.c
95650 index 0938b30..199abe8 100644
95651 --- a/mm/madvise.c
95652 +++ b/mm/madvise.c
95653 @@ -51,6 +51,10 @@ static long madvise_behavior(struct vm_area_struct *vma,
95654 pgoff_t pgoff;
95655 unsigned long new_flags = vma->vm_flags;
95656
95657 +#ifdef CONFIG_PAX_SEGMEXEC
95658 + struct vm_area_struct *vma_m;
95659 +#endif
95660 +
95661 switch (behavior) {
95662 case MADV_NORMAL:
95663 new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;
95664 @@ -126,6 +130,13 @@ success:
95665 /*
95666 * vm_flags is protected by the mmap_sem held in write mode.
95667 */
95668 +
95669 +#ifdef CONFIG_PAX_SEGMEXEC
95670 + vma_m = pax_find_mirror_vma(vma);
95671 + if (vma_m)
95672 + vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT);
95673 +#endif
95674 +
95675 vma->vm_flags = new_flags;
95676
95677 out:
95678 @@ -274,6 +285,11 @@ static long madvise_dontneed(struct vm_area_struct *vma,
95679 struct vm_area_struct **prev,
95680 unsigned long start, unsigned long end)
95681 {
95682 +
95683 +#ifdef CONFIG_PAX_SEGMEXEC
95684 + struct vm_area_struct *vma_m;
95685 +#endif
95686 +
95687 *prev = vma;
95688 if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP))
95689 return -EINVAL;
95690 @@ -286,6 +302,21 @@ static long madvise_dontneed(struct vm_area_struct *vma,
95691 zap_page_range(vma, start, end - start, &details);
95692 } else
95693 zap_page_range(vma, start, end - start, NULL);
95694 +
95695 +#ifdef CONFIG_PAX_SEGMEXEC
95696 + vma_m = pax_find_mirror_vma(vma);
95697 + if (vma_m) {
95698 + if (unlikely(vma->vm_flags & VM_NONLINEAR)) {
95699 + struct zap_details details = {
95700 + .nonlinear_vma = vma_m,
95701 + .last_index = ULONG_MAX,
95702 + };
95703 + zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, &details);
95704 + } else
95705 + zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, NULL);
95706 + }
95707 +#endif
95708 +
95709 return 0;
95710 }
95711
95712 @@ -488,6 +519,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
95713 if (end < start)
95714 return error;
95715
95716 +#ifdef CONFIG_PAX_SEGMEXEC
95717 + if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
95718 + if (end > SEGMEXEC_TASK_SIZE)
95719 + return error;
95720 + } else
95721 +#endif
95722 +
95723 + if (end > TASK_SIZE)
95724 + return error;
95725 +
95726 error = 0;
95727 if (end == start)
95728 return error;
95729 diff --git a/mm/memory-failure.c b/mm/memory-failure.c
95730 index 8639f6b..b623882a 100644
95731 --- a/mm/memory-failure.c
95732 +++ b/mm/memory-failure.c
95733 @@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0;
95734
95735 int sysctl_memory_failure_recovery __read_mostly = 1;
95736
95737 -atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0);
95738 +atomic_long_unchecked_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0);
95739
95740 #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
95741
95742 @@ -198,7 +198,7 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno,
95743 pfn, t->comm, t->pid);
95744 si.si_signo = SIGBUS;
95745 si.si_errno = 0;
95746 - si.si_addr = (void *)addr;
95747 + si.si_addr = (void __user *)addr;
95748 #ifdef __ARCH_SI_TRAPNO
95749 si.si_trapno = trapno;
95750 #endif
95751 @@ -791,7 +791,7 @@ static struct page_state {
95752 unsigned long res;
95753 char *msg;
95754 int (*action)(struct page *p, unsigned long pfn);
95755 -} error_states[] = {
95756 +} __do_const error_states[] = {
95757 { reserved, reserved, "reserved kernel", me_kernel },
95758 /*
95759 * free pages are specially detected outside this table:
95760 @@ -1099,7 +1099,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
95761 nr_pages = 1 << compound_order(hpage);
95762 else /* normal page or thp */
95763 nr_pages = 1;
95764 - atomic_long_add(nr_pages, &num_poisoned_pages);
95765 + atomic_long_add_unchecked(nr_pages, &num_poisoned_pages);
95766
95767 /*
95768 * We need/can do nothing about count=0 pages.
95769 @@ -1128,7 +1128,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
95770 if (PageHWPoison(hpage)) {
95771 if ((hwpoison_filter(p) && TestClearPageHWPoison(p))
95772 || (p != hpage && TestSetPageHWPoison(hpage))) {
95773 - atomic_long_sub(nr_pages, &num_poisoned_pages);
95774 + atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages);
95775 unlock_page(hpage);
95776 return 0;
95777 }
95778 @@ -1196,14 +1196,14 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
95779 */
95780 if (!PageHWPoison(p)) {
95781 printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn);
95782 - atomic_long_sub(nr_pages, &num_poisoned_pages);
95783 + atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages);
95784 put_page(hpage);
95785 res = 0;
95786 goto out;
95787 }
95788 if (hwpoison_filter(p)) {
95789 if (TestClearPageHWPoison(p))
95790 - atomic_long_sub(nr_pages, &num_poisoned_pages);
95791 + atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages);
95792 unlock_page(hpage);
95793 put_page(hpage);
95794 return 0;
95795 @@ -1433,7 +1433,7 @@ int unpoison_memory(unsigned long pfn)
95796 return 0;
95797 }
95798 if (TestClearPageHWPoison(p))
95799 - atomic_long_dec(&num_poisoned_pages);
95800 + atomic_long_dec_unchecked(&num_poisoned_pages);
95801 pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
95802 return 0;
95803 }
95804 @@ -1447,7 +1447,7 @@ int unpoison_memory(unsigned long pfn)
95805 */
95806 if (TestClearPageHWPoison(page)) {
95807 pr_info("MCE: Software-unpoisoned page %#lx\n", pfn);
95808 - atomic_long_sub(nr_pages, &num_poisoned_pages);
95809 + atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages);
95810 freeit = 1;
95811 if (PageHuge(page))
95812 clear_page_hwpoison_huge_page(page);
95813 @@ -1572,11 +1572,11 @@ static int soft_offline_huge_page(struct page *page, int flags)
95814 if (PageHuge(page)) {
95815 set_page_hwpoison_huge_page(hpage);
95816 dequeue_hwpoisoned_huge_page(hpage);
95817 - atomic_long_add(1 << compound_order(hpage),
95818 + atomic_long_add_unchecked(1 << compound_order(hpage),
95819 &num_poisoned_pages);
95820 } else {
95821 SetPageHWPoison(page);
95822 - atomic_long_inc(&num_poisoned_pages);
95823 + atomic_long_inc_unchecked(&num_poisoned_pages);
95824 }
95825 }
95826 return ret;
95827 @@ -1615,7 +1615,7 @@ static int __soft_offline_page(struct page *page, int flags)
95828 put_page(page);
95829 pr_info("soft_offline: %#lx: invalidated\n", pfn);
95830 SetPageHWPoison(page);
95831 - atomic_long_inc(&num_poisoned_pages);
95832 + atomic_long_inc_unchecked(&num_poisoned_pages);
95833 return 0;
95834 }
95835
95836 @@ -1666,7 +1666,7 @@ static int __soft_offline_page(struct page *page, int flags)
95837 if (!is_free_buddy_page(page))
95838 pr_info("soft offline: %#lx: page leaked\n",
95839 pfn);
95840 - atomic_long_inc(&num_poisoned_pages);
95841 + atomic_long_inc_unchecked(&num_poisoned_pages);
95842 }
95843 } else {
95844 pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n",
95845 @@ -1736,11 +1736,11 @@ int soft_offline_page(struct page *page, int flags)
95846 if (PageHuge(page)) {
95847 set_page_hwpoison_huge_page(hpage);
95848 dequeue_hwpoisoned_huge_page(hpage);
95849 - atomic_long_add(1 << compound_order(hpage),
95850 + atomic_long_add_unchecked(1 << compound_order(hpage),
95851 &num_poisoned_pages);
95852 } else {
95853 SetPageHWPoison(page);
95854 - atomic_long_inc(&num_poisoned_pages);
95855 + atomic_long_inc_unchecked(&num_poisoned_pages);
95856 }
95857 }
95858 unset_migratetype_isolate(page, MIGRATE_MOVABLE);
95859 diff --git a/mm/memory.c b/mm/memory.c
95860 index 7f86cf6..0600e22 100644
95861 --- a/mm/memory.c
95862 +++ b/mm/memory.c
95863 @@ -415,6 +415,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
95864 free_pte_range(tlb, pmd, addr);
95865 } while (pmd++, addr = next, addr != end);
95866
95867 +#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD)
95868 start &= PUD_MASK;
95869 if (start < floor)
95870 return;
95871 @@ -429,6 +430,8 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
95872 pmd = pmd_offset(pud, start);
95873 pud_clear(pud);
95874 pmd_free_tlb(tlb, pmd, start);
95875 +#endif
95876 +
95877 }
95878
95879 static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
95880 @@ -448,6 +451,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
95881 free_pmd_range(tlb, pud, addr, next, floor, ceiling);
95882 } while (pud++, addr = next, addr != end);
95883
95884 +#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD)
95885 start &= PGDIR_MASK;
95886 if (start < floor)
95887 return;
95888 @@ -462,6 +466,8 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
95889 pud = pud_offset(pgd, start);
95890 pgd_clear(pgd);
95891 pud_free_tlb(tlb, pud, start);
95892 +#endif
95893 +
95894 }
95895
95896 /*
95897 @@ -691,10 +697,10 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
95898 * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y
95899 */
95900 if (vma->vm_ops)
95901 - printk(KERN_ALERT "vma->vm_ops->fault: %pSR\n",
95902 + printk(KERN_ALERT "vma->vm_ops->fault: %pAR\n",
95903 vma->vm_ops->fault);
95904 if (vma->vm_file)
95905 - printk(KERN_ALERT "vma->vm_file->f_op->mmap: %pSR\n",
95906 + printk(KERN_ALERT "vma->vm_file->f_op->mmap: %pAR\n",
95907 vma->vm_file->f_op->mmap);
95908 dump_stack();
95909 add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
95910 @@ -1501,6 +1507,10 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
95911 page_add_file_rmap(page);
95912 set_pte_at(mm, addr, pte, mk_pte(page, prot));
95913
95914 +#ifdef CONFIG_PAX_SEGMEXEC
95915 + pax_mirror_file_pte(vma, addr, page, ptl);
95916 +#endif
95917 +
95918 retval = 0;
95919 pte_unmap_unlock(pte, ptl);
95920 return retval;
95921 @@ -1545,9 +1555,21 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
95922 if (!page_count(page))
95923 return -EINVAL;
95924 if (!(vma->vm_flags & VM_MIXEDMAP)) {
95925 +
95926 +#ifdef CONFIG_PAX_SEGMEXEC
95927 + struct vm_area_struct *vma_m;
95928 +#endif
95929 +
95930 BUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem));
95931 BUG_ON(vma->vm_flags & VM_PFNMAP);
95932 vma->vm_flags |= VM_MIXEDMAP;
95933 +
95934 +#ifdef CONFIG_PAX_SEGMEXEC
95935 + vma_m = pax_find_mirror_vma(vma);
95936 + if (vma_m)
95937 + vma_m->vm_flags |= VM_MIXEDMAP;
95938 +#endif
95939 +
95940 }
95941 return insert_page(vma, addr, page, vma->vm_page_prot);
95942 }
95943 @@ -1630,6 +1652,7 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
95944 unsigned long pfn)
95945 {
95946 BUG_ON(!(vma->vm_flags & VM_MIXEDMAP));
95947 + BUG_ON(vma->vm_mirror);
95948
95949 if (addr < vma->vm_start || addr >= vma->vm_end)
95950 return -EFAULT;
95951 @@ -1877,7 +1900,9 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud,
95952
95953 BUG_ON(pud_huge(*pud));
95954
95955 - pmd = pmd_alloc(mm, pud, addr);
95956 + pmd = (mm == &init_mm) ?
95957 + pmd_alloc_kernel(mm, pud, addr) :
95958 + pmd_alloc(mm, pud, addr);
95959 if (!pmd)
95960 return -ENOMEM;
95961 do {
95962 @@ -1897,7 +1922,9 @@ static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd,
95963 unsigned long next;
95964 int err;
95965
95966 - pud = pud_alloc(mm, pgd, addr);
95967 + pud = (mm == &init_mm) ?
95968 + pud_alloc_kernel(mm, pgd, addr) :
95969 + pud_alloc(mm, pgd, addr);
95970 if (!pud)
95971 return -ENOMEM;
95972 do {
95973 @@ -2019,6 +2046,186 @@ static int do_page_mkwrite(struct vm_area_struct *vma, struct page *page,
95974 return ret;
95975 }
95976
95977 +#ifdef CONFIG_PAX_SEGMEXEC
95978 +static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd)
95979 +{
95980 + struct mm_struct *mm = vma->vm_mm;
95981 + spinlock_t *ptl;
95982 + pte_t *pte, entry;
95983 +
95984 + pte = pte_offset_map_lock(mm, pmd, address, &ptl);
95985 + entry = *pte;
95986 + if (!pte_present(entry)) {
95987 + if (!pte_none(entry)) {
95988 + BUG_ON(pte_file(entry));
95989 + free_swap_and_cache(pte_to_swp_entry(entry));
95990 + pte_clear_not_present_full(mm, address, pte, 0);
95991 + }
95992 + } else {
95993 + struct page *page;
95994 +
95995 + flush_cache_page(vma, address, pte_pfn(entry));
95996 + entry = ptep_clear_flush(vma, address, pte);
95997 + BUG_ON(pte_dirty(entry));
95998 + page = vm_normal_page(vma, address, entry);
95999 + if (page) {
96000 + update_hiwater_rss(mm);
96001 + if (PageAnon(page))
96002 + dec_mm_counter_fast(mm, MM_ANONPAGES);
96003 + else
96004 + dec_mm_counter_fast(mm, MM_FILEPAGES);
96005 + page_remove_rmap(page);
96006 + page_cache_release(page);
96007 + }
96008 + }
96009 + pte_unmap_unlock(pte, ptl);
96010 +}
96011 +
96012 +/* PaX: if vma is mirrored, synchronize the mirror's PTE
96013 + *
96014 + * the ptl of the lower mapped page is held on entry and is not released on exit
96015 + * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc)
96016 + */
96017 +static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
96018 +{
96019 + struct mm_struct *mm = vma->vm_mm;
96020 + unsigned long address_m;
96021 + spinlock_t *ptl_m;
96022 + struct vm_area_struct *vma_m;
96023 + pmd_t *pmd_m;
96024 + pte_t *pte_m, entry_m;
96025 +
96026 + BUG_ON(!page_m || !PageAnon(page_m));
96027 +
96028 + vma_m = pax_find_mirror_vma(vma);
96029 + if (!vma_m)
96030 + return;
96031 +
96032 + BUG_ON(!PageLocked(page_m));
96033 + BUG_ON(address >= SEGMEXEC_TASK_SIZE);
96034 + address_m = address + SEGMEXEC_TASK_SIZE;
96035 + pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
96036 + pte_m = pte_offset_map(pmd_m, address_m);
96037 + ptl_m = pte_lockptr(mm, pmd_m);
96038 + if (ptl != ptl_m) {
96039 + spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
96040 + if (!pte_none(*pte_m))
96041 + goto out;
96042 + }
96043 +
96044 + entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
96045 + page_cache_get(page_m);
96046 + page_add_anon_rmap(page_m, vma_m, address_m);
96047 + inc_mm_counter_fast(mm, MM_ANONPAGES);
96048 + set_pte_at(mm, address_m, pte_m, entry_m);
96049 + update_mmu_cache(vma_m, address_m, pte_m);
96050 +out:
96051 + if (ptl != ptl_m)
96052 + spin_unlock(ptl_m);
96053 + pte_unmap(pte_m);
96054 + unlock_page(page_m);
96055 +}
96056 +
96057 +void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl)
96058 +{
96059 + struct mm_struct *mm = vma->vm_mm;
96060 + unsigned long address_m;
96061 + spinlock_t *ptl_m;
96062 + struct vm_area_struct *vma_m;
96063 + pmd_t *pmd_m;
96064 + pte_t *pte_m, entry_m;
96065 +
96066 + BUG_ON(!page_m || PageAnon(page_m));
96067 +
96068 + vma_m = pax_find_mirror_vma(vma);
96069 + if (!vma_m)
96070 + return;
96071 +
96072 + BUG_ON(address >= SEGMEXEC_TASK_SIZE);
96073 + address_m = address + SEGMEXEC_TASK_SIZE;
96074 + pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
96075 + pte_m = pte_offset_map(pmd_m, address_m);
96076 + ptl_m = pte_lockptr(mm, pmd_m);
96077 + if (ptl != ptl_m) {
96078 + spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
96079 + if (!pte_none(*pte_m))
96080 + goto out;
96081 + }
96082 +
96083 + entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot);
96084 + page_cache_get(page_m);
96085 + page_add_file_rmap(page_m);
96086 + inc_mm_counter_fast(mm, MM_FILEPAGES);
96087 + set_pte_at(mm, address_m, pte_m, entry_m);
96088 + update_mmu_cache(vma_m, address_m, pte_m);
96089 +out:
96090 + if (ptl != ptl_m)
96091 + spin_unlock(ptl_m);
96092 + pte_unmap(pte_m);
96093 +}
96094 +
96095 +static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl)
96096 +{
96097 + struct mm_struct *mm = vma->vm_mm;
96098 + unsigned long address_m;
96099 + spinlock_t *ptl_m;
96100 + struct vm_area_struct *vma_m;
96101 + pmd_t *pmd_m;
96102 + pte_t *pte_m, entry_m;
96103 +
96104 + vma_m = pax_find_mirror_vma(vma);
96105 + if (!vma_m)
96106 + return;
96107 +
96108 + BUG_ON(address >= SEGMEXEC_TASK_SIZE);
96109 + address_m = address + SEGMEXEC_TASK_SIZE;
96110 + pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m);
96111 + pte_m = pte_offset_map(pmd_m, address_m);
96112 + ptl_m = pte_lockptr(mm, pmd_m);
96113 + if (ptl != ptl_m) {
96114 + spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING);
96115 + if (!pte_none(*pte_m))
96116 + goto out;
96117 + }
96118 +
96119 + entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot);
96120 + set_pte_at(mm, address_m, pte_m, entry_m);
96121 +out:
96122 + if (ptl != ptl_m)
96123 + spin_unlock(ptl_m);
96124 + pte_unmap(pte_m);
96125 +}
96126 +
96127 +static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl)
96128 +{
96129 + struct page *page_m;
96130 + pte_t entry;
96131 +
96132 + if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC))
96133 + goto out;
96134 +
96135 + entry = *pte;
96136 + page_m = vm_normal_page(vma, address, entry);
96137 + if (!page_m)
96138 + pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl);
96139 + else if (PageAnon(page_m)) {
96140 + if (pax_find_mirror_vma(vma)) {
96141 + pte_unmap_unlock(pte, ptl);
96142 + lock_page(page_m);
96143 + pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl);
96144 + if (pte_same(entry, *pte))
96145 + pax_mirror_anon_pte(vma, address, page_m, ptl);
96146 + else
96147 + unlock_page(page_m);
96148 + }
96149 + } else
96150 + pax_mirror_file_pte(vma, address, page_m, ptl);
96151 +
96152 +out:
96153 + pte_unmap_unlock(pte, ptl);
96154 +}
96155 +#endif
96156 +
96157 /*
96158 * This routine handles present pages, when users try to write
96159 * to a shared page. It is done by copying the page to a new address
96160 @@ -2225,6 +2432,12 @@ gotten:
96161 */
96162 page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
96163 if (likely(pte_same(*page_table, orig_pte))) {
96164 +
96165 +#ifdef CONFIG_PAX_SEGMEXEC
96166 + if (pax_find_mirror_vma(vma))
96167 + BUG_ON(!trylock_page(new_page));
96168 +#endif
96169 +
96170 if (old_page) {
96171 if (!PageAnon(old_page)) {
96172 dec_mm_counter_fast(mm, MM_FILEPAGES);
96173 @@ -2278,6 +2491,10 @@ gotten:
96174 page_remove_rmap(old_page);
96175 }
96176
96177 +#ifdef CONFIG_PAX_SEGMEXEC
96178 + pax_mirror_anon_pte(vma, address, new_page, ptl);
96179 +#endif
96180 +
96181 /* Free the old page.. */
96182 new_page = old_page;
96183 ret |= VM_FAULT_WRITE;
96184 @@ -2552,6 +2769,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
96185 swap_free(entry);
96186 if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
96187 try_to_free_swap(page);
96188 +
96189 +#ifdef CONFIG_PAX_SEGMEXEC
96190 + if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma))
96191 +#endif
96192 +
96193 unlock_page(page);
96194 if (page != swapcache) {
96195 /*
96196 @@ -2575,6 +2797,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
96197
96198 /* No need to invalidate - it was non-present before */
96199 update_mmu_cache(vma, address, page_table);
96200 +
96201 +#ifdef CONFIG_PAX_SEGMEXEC
96202 + pax_mirror_anon_pte(vma, address, page, ptl);
96203 +#endif
96204 +
96205 unlock:
96206 pte_unmap_unlock(page_table, ptl);
96207 out:
96208 @@ -2594,40 +2821,6 @@ out_release:
96209 }
96210
96211 /*
96212 - * This is like a special single-page "expand_{down|up}wards()",
96213 - * except we must first make sure that 'address{-|+}PAGE_SIZE'
96214 - * doesn't hit another vma.
96215 - */
96216 -static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)
96217 -{
96218 - address &= PAGE_MASK;
96219 - if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {
96220 - struct vm_area_struct *prev = vma->vm_prev;
96221 -
96222 - /*
96223 - * Is there a mapping abutting this one below?
96224 - *
96225 - * That's only ok if it's the same stack mapping
96226 - * that has gotten split..
96227 - */
96228 - if (prev && prev->vm_end == address)
96229 - return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;
96230 -
96231 - return expand_downwards(vma, address - PAGE_SIZE);
96232 - }
96233 - if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {
96234 - struct vm_area_struct *next = vma->vm_next;
96235 -
96236 - /* As VM_GROWSDOWN but s/below/above/ */
96237 - if (next && next->vm_start == address + PAGE_SIZE)
96238 - return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;
96239 -
96240 - return expand_upwards(vma, address + PAGE_SIZE);
96241 - }
96242 - return 0;
96243 -}
96244 -
96245 -/*
96246 * We enter with non-exclusive mmap_sem (to exclude vma changes,
96247 * but allow concurrent faults), and pte mapped but not yet locked.
96248 * We return with mmap_sem still held, but pte unmapped and unlocked.
96249 @@ -2637,27 +2830,23 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
96250 unsigned int flags)
96251 {
96252 struct mem_cgroup *memcg;
96253 - struct page *page;
96254 + struct page *page = NULL;
96255 spinlock_t *ptl;
96256 pte_t entry;
96257
96258 - pte_unmap(page_table);
96259 -
96260 - /* Check if we need to add a guard page to the stack */
96261 - if (check_stack_guard_page(vma, address) < 0)
96262 - return VM_FAULT_SIGBUS;
96263 -
96264 - /* Use the zero-page for reads */
96265 if (!(flags & FAULT_FLAG_WRITE)) {
96266 entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
96267 vma->vm_page_prot));
96268 - page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
96269 + ptl = pte_lockptr(mm, pmd);
96270 + spin_lock(ptl);
96271 if (!pte_none(*page_table))
96272 goto unlock;
96273 goto setpte;
96274 }
96275
96276 /* Allocate our own private page. */
96277 + pte_unmap(page_table);
96278 +
96279 if (unlikely(anon_vma_prepare(vma)))
96280 goto oom;
96281 page = alloc_zeroed_user_highpage_movable(vma, address);
96282 @@ -2681,6 +2870,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
96283 if (!pte_none(*page_table))
96284 goto release;
96285
96286 +#ifdef CONFIG_PAX_SEGMEXEC
96287 + if (pax_find_mirror_vma(vma))
96288 + BUG_ON(!trylock_page(page));
96289 +#endif
96290 +
96291 inc_mm_counter_fast(mm, MM_ANONPAGES);
96292 page_add_new_anon_rmap(page, vma, address);
96293 mem_cgroup_commit_charge(page, memcg, false);
96294 @@ -2690,6 +2884,12 @@ setpte:
96295
96296 /* No need to invalidate - it was non-present before */
96297 update_mmu_cache(vma, address, page_table);
96298 +
96299 +#ifdef CONFIG_PAX_SEGMEXEC
96300 + if (page)
96301 + pax_mirror_anon_pte(vma, address, page, ptl);
96302 +#endif
96303 +
96304 unlock:
96305 pte_unmap_unlock(page_table, ptl);
96306 return 0;
96307 @@ -2920,6 +3120,11 @@ static int do_read_fault(struct mm_struct *mm, struct vm_area_struct *vma,
96308 return ret;
96309 }
96310 do_set_pte(vma, address, fault_page, pte, false, false);
96311 +
96312 +#ifdef CONFIG_PAX_SEGMEXEC
96313 + pax_mirror_file_pte(vma, address, fault_page, ptl);
96314 +#endif
96315 +
96316 unlock_page(fault_page);
96317 unlock_out:
96318 pte_unmap_unlock(pte, ptl);
96319 @@ -2962,7 +3167,18 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma,
96320 page_cache_release(fault_page);
96321 goto uncharge_out;
96322 }
96323 +
96324 +#ifdef CONFIG_PAX_SEGMEXEC
96325 + if (pax_find_mirror_vma(vma))
96326 + BUG_ON(!trylock_page(new_page));
96327 +#endif
96328 +
96329 do_set_pte(vma, address, new_page, pte, true, true);
96330 +
96331 +#ifdef CONFIG_PAX_SEGMEXEC
96332 + pax_mirror_anon_pte(vma, address, new_page, ptl);
96333 +#endif
96334 +
96335 mem_cgroup_commit_charge(new_page, memcg, false);
96336 lru_cache_add_active_or_unevictable(new_page, vma);
96337 pte_unmap_unlock(pte, ptl);
96338 @@ -3012,6 +3228,11 @@ static int do_shared_fault(struct mm_struct *mm, struct vm_area_struct *vma,
96339 return ret;
96340 }
96341 do_set_pte(vma, address, fault_page, pte, true, false);
96342 +
96343 +#ifdef CONFIG_PAX_SEGMEXEC
96344 + pax_mirror_file_pte(vma, address, fault_page, ptl);
96345 +#endif
96346 +
96347 pte_unmap_unlock(pte, ptl);
96348
96349 if (set_page_dirty(fault_page))
96350 @@ -3253,6 +3474,12 @@ static int handle_pte_fault(struct mm_struct *mm,
96351 if (flags & FAULT_FLAG_WRITE)
96352 flush_tlb_fix_spurious_fault(vma, address);
96353 }
96354 +
96355 +#ifdef CONFIG_PAX_SEGMEXEC
96356 + pax_mirror_pte(vma, address, pte, pmd, ptl);
96357 + return 0;
96358 +#endif
96359 +
96360 unlock:
96361 pte_unmap_unlock(pte, ptl);
96362 return 0;
96363 @@ -3272,9 +3499,41 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
96364 pmd_t *pmd;
96365 pte_t *pte;
96366
96367 +#ifdef CONFIG_PAX_SEGMEXEC
96368 + struct vm_area_struct *vma_m;
96369 +#endif
96370 +
96371 if (unlikely(is_vm_hugetlb_page(vma)))
96372 return hugetlb_fault(mm, vma, address, flags);
96373
96374 +#ifdef CONFIG_PAX_SEGMEXEC
96375 + vma_m = pax_find_mirror_vma(vma);
96376 + if (vma_m) {
96377 + unsigned long address_m;
96378 + pgd_t *pgd_m;
96379 + pud_t *pud_m;
96380 + pmd_t *pmd_m;
96381 +
96382 + if (vma->vm_start > vma_m->vm_start) {
96383 + address_m = address;
96384 + address -= SEGMEXEC_TASK_SIZE;
96385 + vma = vma_m;
96386 + } else
96387 + address_m = address + SEGMEXEC_TASK_SIZE;
96388 +
96389 + pgd_m = pgd_offset(mm, address_m);
96390 + pud_m = pud_alloc(mm, pgd_m, address_m);
96391 + if (!pud_m)
96392 + return VM_FAULT_OOM;
96393 + pmd_m = pmd_alloc(mm, pud_m, address_m);
96394 + if (!pmd_m)
96395 + return VM_FAULT_OOM;
96396 + if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m))
96397 + return VM_FAULT_OOM;
96398 + pax_unmap_mirror_pte(vma_m, address_m, pmd_m);
96399 + }
96400 +#endif
96401 +
96402 pgd = pgd_offset(mm, address);
96403 pud = pud_alloc(mm, pgd, address);
96404 if (!pud)
96405 @@ -3408,6 +3667,23 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
96406 spin_unlock(&mm->page_table_lock);
96407 return 0;
96408 }
96409 +
96410 +int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
96411 +{
96412 + pud_t *new = pud_alloc_one(mm, address);
96413 + if (!new)
96414 + return -ENOMEM;
96415 +
96416 + smp_wmb(); /* See comment in __pte_alloc */
96417 +
96418 + spin_lock(&mm->page_table_lock);
96419 + if (pgd_present(*pgd)) /* Another has populated it */
96420 + pud_free(mm, new);
96421 + else
96422 + pgd_populate_kernel(mm, pgd, new);
96423 + spin_unlock(&mm->page_table_lock);
96424 + return 0;
96425 +}
96426 #endif /* __PAGETABLE_PUD_FOLDED */
96427
96428 #ifndef __PAGETABLE_PMD_FOLDED
96429 @@ -3438,6 +3714,30 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
96430 spin_unlock(&mm->page_table_lock);
96431 return 0;
96432 }
96433 +
96434 +int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address)
96435 +{
96436 + pmd_t *new = pmd_alloc_one(mm, address);
96437 + if (!new)
96438 + return -ENOMEM;
96439 +
96440 + smp_wmb(); /* See comment in __pte_alloc */
96441 +
96442 + spin_lock(&mm->page_table_lock);
96443 +#ifndef __ARCH_HAS_4LEVEL_HACK
96444 + if (pud_present(*pud)) /* Another has populated it */
96445 + pmd_free(mm, new);
96446 + else
96447 + pud_populate_kernel(mm, pud, new);
96448 +#else
96449 + if (pgd_present(*pud)) /* Another has populated it */
96450 + pmd_free(mm, new);
96451 + else
96452 + pgd_populate_kernel(mm, pud, new);
96453 +#endif /* __ARCH_HAS_4LEVEL_HACK */
96454 + spin_unlock(&mm->page_table_lock);
96455 + return 0;
96456 +}
96457 #endif /* __PAGETABLE_PMD_FOLDED */
96458
96459 static int __follow_pte(struct mm_struct *mm, unsigned long address,
96460 @@ -3547,8 +3847,8 @@ out:
96461 return ret;
96462 }
96463
96464 -int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
96465 - void *buf, int len, int write)
96466 +ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
96467 + void *buf, size_t len, int write)
96468 {
96469 resource_size_t phys_addr;
96470 unsigned long prot = 0;
96471 @@ -3574,8 +3874,8 @@ EXPORT_SYMBOL_GPL(generic_access_phys);
96472 * Access another process' address space as given in mm. If non-NULL, use the
96473 * given task for page fault accounting.
96474 */
96475 -static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
96476 - unsigned long addr, void *buf, int len, int write)
96477 +static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
96478 + unsigned long addr, void *buf, size_t len, int write)
96479 {
96480 struct vm_area_struct *vma;
96481 void *old_buf = buf;
96482 @@ -3583,7 +3883,7 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
96483 down_read(&mm->mmap_sem);
96484 /* ignore errors, just check how much was successfully transferred */
96485 while (len) {
96486 - int bytes, ret, offset;
96487 + ssize_t bytes, ret, offset;
96488 void *maddr;
96489 struct page *page = NULL;
96490
96491 @@ -3644,8 +3944,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
96492 *
96493 * The caller must hold a reference on @mm.
96494 */
96495 -int access_remote_vm(struct mm_struct *mm, unsigned long addr,
96496 - void *buf, int len, int write)
96497 +ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr,
96498 + void *buf, size_t len, int write)
96499 {
96500 return __access_remote_vm(NULL, mm, addr, buf, len, write);
96501 }
96502 @@ -3655,11 +3955,11 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr,
96503 * Source/target buffer must be kernel space,
96504 * Do not walk the page table directly, use get_user_pages
96505 */
96506 -int access_process_vm(struct task_struct *tsk, unsigned long addr,
96507 - void *buf, int len, int write)
96508 +ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr,
96509 + void *buf, size_t len, int write)
96510 {
96511 struct mm_struct *mm;
96512 - int ret;
96513 + ssize_t ret;
96514
96515 mm = get_task_mm(tsk);
96516 if (!mm)
96517 diff --git a/mm/mempolicy.c b/mm/mempolicy.c
96518 index e58725a..e0be017 100644
96519 --- a/mm/mempolicy.c
96520 +++ b/mm/mempolicy.c
96521 @@ -750,6 +750,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
96522 unsigned long vmstart;
96523 unsigned long vmend;
96524
96525 +#ifdef CONFIG_PAX_SEGMEXEC
96526 + struct vm_area_struct *vma_m;
96527 +#endif
96528 +
96529 vma = find_vma(mm, start);
96530 if (!vma || vma->vm_start > start)
96531 return -EFAULT;
96532 @@ -793,6 +797,16 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
96533 err = vma_replace_policy(vma, new_pol);
96534 if (err)
96535 goto out;
96536 +
96537 +#ifdef CONFIG_PAX_SEGMEXEC
96538 + vma_m = pax_find_mirror_vma(vma);
96539 + if (vma_m) {
96540 + err = vma_replace_policy(vma_m, new_pol);
96541 + if (err)
96542 + goto out;
96543 + }
96544 +#endif
96545 +
96546 }
96547
96548 out:
96549 @@ -1212,6 +1226,17 @@ static long do_mbind(unsigned long start, unsigned long len,
96550
96551 if (end < start)
96552 return -EINVAL;
96553 +
96554 +#ifdef CONFIG_PAX_SEGMEXEC
96555 + if (mm->pax_flags & MF_PAX_SEGMEXEC) {
96556 + if (end > SEGMEXEC_TASK_SIZE)
96557 + return -EINVAL;
96558 + } else
96559 +#endif
96560 +
96561 + if (end > TASK_SIZE)
96562 + return -EINVAL;
96563 +
96564 if (end == start)
96565 return 0;
96566
96567 @@ -1437,8 +1462,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
96568 */
96569 tcred = __task_cred(task);
96570 if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
96571 - !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
96572 - !capable(CAP_SYS_NICE)) {
96573 + !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) {
96574 rcu_read_unlock();
96575 err = -EPERM;
96576 goto out_put;
96577 @@ -1469,6 +1493,15 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
96578 goto out;
96579 }
96580
96581 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
96582 + if (mm != current->mm &&
96583 + (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) {
96584 + mmput(mm);
96585 + err = -EPERM;
96586 + goto out;
96587 + }
96588 +#endif
96589 +
96590 err = do_migrate_pages(mm, old, new,
96591 capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
96592
96593 diff --git a/mm/migrate.c b/mm/migrate.c
96594 index 0143995..b294728 100644
96595 --- a/mm/migrate.c
96596 +++ b/mm/migrate.c
96597 @@ -1495,8 +1495,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
96598 */
96599 tcred = __task_cred(task);
96600 if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
96601 - !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
96602 - !capable(CAP_SYS_NICE)) {
96603 + !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) {
96604 rcu_read_unlock();
96605 err = -EPERM;
96606 goto out;
96607 diff --git a/mm/mlock.c b/mm/mlock.c
96608 index 73cf098..ab547c7 100644
96609 --- a/mm/mlock.c
96610 +++ b/mm/mlock.c
96611 @@ -14,6 +14,7 @@
96612 #include <linux/pagevec.h>
96613 #include <linux/mempolicy.h>
96614 #include <linux/syscalls.h>
96615 +#include <linux/security.h>
96616 #include <linux/sched.h>
96617 #include <linux/export.h>
96618 #include <linux/rmap.h>
96619 @@ -613,7 +614,7 @@ static int do_mlock(unsigned long start, size_t len, int on)
96620 {
96621 unsigned long nstart, end, tmp;
96622 struct vm_area_struct * vma, * prev;
96623 - int error;
96624 + int error = 0;
96625
96626 VM_BUG_ON(start & ~PAGE_MASK);
96627 VM_BUG_ON(len != PAGE_ALIGN(len));
96628 @@ -622,6 +623,9 @@ static int do_mlock(unsigned long start, size_t len, int on)
96629 return -EINVAL;
96630 if (end == start)
96631 return 0;
96632 + if (end > TASK_SIZE)
96633 + return -EINVAL;
96634 +
96635 vma = find_vma(current->mm, start);
96636 if (!vma || vma->vm_start > start)
96637 return -ENOMEM;
96638 @@ -633,6 +637,11 @@ static int do_mlock(unsigned long start, size_t len, int on)
96639 for (nstart = start ; ; ) {
96640 vm_flags_t newflags;
96641
96642 +#ifdef CONFIG_PAX_SEGMEXEC
96643 + if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
96644 + break;
96645 +#endif
96646 +
96647 /* Here we know that vma->vm_start <= nstart < vma->vm_end. */
96648
96649 newflags = vma->vm_flags & ~VM_LOCKED;
96650 @@ -746,6 +755,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
96651 locked += current->mm->locked_vm;
96652
96653 /* check against resource limits */
96654 + gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1);
96655 if ((locked <= lock_limit) || capable(CAP_IPC_LOCK))
96656 error = do_mlock(start, len, 1);
96657
96658 @@ -783,6 +793,11 @@ static int do_mlockall(int flags)
96659 for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {
96660 vm_flags_t newflags;
96661
96662 +#ifdef CONFIG_PAX_SEGMEXEC
96663 + if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE))
96664 + break;
96665 +#endif
96666 +
96667 newflags = vma->vm_flags & ~VM_LOCKED;
96668 if (flags & MCL_CURRENT)
96669 newflags |= VM_LOCKED;
96670 @@ -814,8 +829,10 @@ SYSCALL_DEFINE1(mlockall, int, flags)
96671 lock_limit >>= PAGE_SHIFT;
96672
96673 ret = -ENOMEM;
96674 +
96675 + gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1);
96676 +
96677 down_write(&current->mm->mmap_sem);
96678 -
96679 if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) ||
96680 capable(CAP_IPC_LOCK))
96681 ret = do_mlockall(flags);
96682 diff --git a/mm/mmap.c b/mm/mmap.c
96683 index 1620adb..348da48 100644
96684 --- a/mm/mmap.c
96685 +++ b/mm/mmap.c
96686 @@ -41,6 +41,7 @@
96687 #include <linux/notifier.h>
96688 #include <linux/memory.h>
96689 #include <linux/printk.h>
96690 +#include <linux/random.h>
96691
96692 #include <asm/uaccess.h>
96693 #include <asm/cacheflush.h>
96694 @@ -57,6 +58,16 @@
96695 #define arch_rebalance_pgtables(addr, len) (addr)
96696 #endif
96697
96698 +static inline void verify_mm_writelocked(struct mm_struct *mm)
96699 +{
96700 +#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX)
96701 + if (unlikely(down_read_trylock(&mm->mmap_sem))) {
96702 + up_read(&mm->mmap_sem);
96703 + BUG();
96704 + }
96705 +#endif
96706 +}
96707 +
96708 static void unmap_region(struct mm_struct *mm,
96709 struct vm_area_struct *vma, struct vm_area_struct *prev,
96710 unsigned long start, unsigned long end);
96711 @@ -76,16 +87,25 @@ static void unmap_region(struct mm_struct *mm,
96712 * x: (no) no x: (no) yes x: (no) yes x: (yes) yes
96713 *
96714 */
96715 -pgprot_t protection_map[16] = {
96716 +pgprot_t protection_map[16] __read_only = {
96717 __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
96718 __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
96719 };
96720
96721 -pgprot_t vm_get_page_prot(unsigned long vm_flags)
96722 +pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
96723 {
96724 - return __pgprot(pgprot_val(protection_map[vm_flags &
96725 + pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags &
96726 (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) |
96727 pgprot_val(arch_vm_get_page_prot(vm_flags)));
96728 +
96729 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
96730 + if (!(__supported_pte_mask & _PAGE_NX) &&
96731 + (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC &&
96732 + (vm_flags & (VM_READ | VM_WRITE)))
96733 + prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot)))));
96734 +#endif
96735 +
96736 + return prot;
96737 }
96738 EXPORT_SYMBOL(vm_get_page_prot);
96739
96740 @@ -114,6 +134,7 @@ unsigned long sysctl_overcommit_kbytes __read_mostly;
96741 int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
96742 unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */
96743 unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */
96744 +unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024;
96745 /*
96746 * Make sure vm_committed_as in one cacheline and not cacheline shared with
96747 * other variables. It can be updated by several CPUs frequently.
96748 @@ -274,6 +295,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
96749 struct vm_area_struct *next = vma->vm_next;
96750
96751 might_sleep();
96752 + BUG_ON(vma->vm_mirror);
96753 if (vma->vm_ops && vma->vm_ops->close)
96754 vma->vm_ops->close(vma);
96755 if (vma->vm_file)
96756 @@ -287,6 +309,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len);
96757
96758 SYSCALL_DEFINE1(brk, unsigned long, brk)
96759 {
96760 + unsigned long rlim;
96761 unsigned long retval;
96762 unsigned long newbrk, oldbrk;
96763 struct mm_struct *mm = current->mm;
96764 @@ -317,7 +340,13 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
96765 * segment grow beyond its set limit the in case where the limit is
96766 * not page aligned -Ram Gupta
96767 */
96768 - if (check_data_rlimit(rlimit(RLIMIT_DATA), brk, mm->start_brk,
96769 + rlim = rlimit(RLIMIT_DATA);
96770 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
96771 + /* force a minimum 16MB brk heap on setuid/setgid binaries */
96772 + if (rlim < PAGE_SIZE && (get_dumpable(mm) != SUID_DUMP_USER) && gr_is_global_nonroot(current_uid()))
96773 + rlim = 4096 * PAGE_SIZE;
96774 +#endif
96775 + if (check_data_rlimit(rlim, brk, mm->start_brk,
96776 mm->end_data, mm->start_data))
96777 goto out;
96778
96779 @@ -976,6 +1005,12 @@ static int
96780 can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags,
96781 struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
96782 {
96783 +
96784 +#ifdef CONFIG_PAX_SEGMEXEC
96785 + if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE)
96786 + return 0;
96787 +#endif
96788 +
96789 if (is_mergeable_vma(vma, file, vm_flags) &&
96790 is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
96791 if (vma->vm_pgoff == vm_pgoff)
96792 @@ -995,6 +1030,12 @@ static int
96793 can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
96794 struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff)
96795 {
96796 +
96797 +#ifdef CONFIG_PAX_SEGMEXEC
96798 + if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE)
96799 + return 0;
96800 +#endif
96801 +
96802 if (is_mergeable_vma(vma, file, vm_flags) &&
96803 is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
96804 pgoff_t vm_pglen;
96805 @@ -1044,6 +1085,13 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
96806 struct vm_area_struct *area, *next;
96807 int err;
96808
96809 +#ifdef CONFIG_PAX_SEGMEXEC
96810 + unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE;
96811 + struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL;
96812 +
96813 + BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end);
96814 +#endif
96815 +
96816 /*
96817 * We later require that vma->vm_flags == vm_flags,
96818 * so this tests vma->vm_flags & VM_SPECIAL, too.
96819 @@ -1059,6 +1107,15 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
96820 if (next && next->vm_end == end) /* cases 6, 7, 8 */
96821 next = next->vm_next;
96822
96823 +#ifdef CONFIG_PAX_SEGMEXEC
96824 + if (prev)
96825 + prev_m = pax_find_mirror_vma(prev);
96826 + if (area)
96827 + area_m = pax_find_mirror_vma(area);
96828 + if (next)
96829 + next_m = pax_find_mirror_vma(next);
96830 +#endif
96831 +
96832 /*
96833 * Can it merge with the predecessor?
96834 */
96835 @@ -1078,9 +1135,24 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
96836 /* cases 1, 6 */
96837 err = vma_adjust(prev, prev->vm_start,
96838 next->vm_end, prev->vm_pgoff, NULL);
96839 - } else /* cases 2, 5, 7 */
96840 +
96841 +#ifdef CONFIG_PAX_SEGMEXEC
96842 + if (!err && prev_m)
96843 + err = vma_adjust(prev_m, prev_m->vm_start,
96844 + next_m->vm_end, prev_m->vm_pgoff, NULL);
96845 +#endif
96846 +
96847 + } else { /* cases 2, 5, 7 */
96848 err = vma_adjust(prev, prev->vm_start,
96849 end, prev->vm_pgoff, NULL);
96850 +
96851 +#ifdef CONFIG_PAX_SEGMEXEC
96852 + if (!err && prev_m)
96853 + err = vma_adjust(prev_m, prev_m->vm_start,
96854 + end_m, prev_m->vm_pgoff, NULL);
96855 +#endif
96856 +
96857 + }
96858 if (err)
96859 return NULL;
96860 khugepaged_enter_vma_merge(prev, vm_flags);
96861 @@ -1094,12 +1166,27 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
96862 mpol_equal(policy, vma_policy(next)) &&
96863 can_vma_merge_before(next, vm_flags,
96864 anon_vma, file, pgoff+pglen)) {
96865 - if (prev && addr < prev->vm_end) /* case 4 */
96866 + if (prev && addr < prev->vm_end) { /* case 4 */
96867 err = vma_adjust(prev, prev->vm_start,
96868 addr, prev->vm_pgoff, NULL);
96869 - else /* cases 3, 8 */
96870 +
96871 +#ifdef CONFIG_PAX_SEGMEXEC
96872 + if (!err && prev_m)
96873 + err = vma_adjust(prev_m, prev_m->vm_start,
96874 + addr_m, prev_m->vm_pgoff, NULL);
96875 +#endif
96876 +
96877 + } else { /* cases 3, 8 */
96878 err = vma_adjust(area, addr, next->vm_end,
96879 next->vm_pgoff - pglen, NULL);
96880 +
96881 +#ifdef CONFIG_PAX_SEGMEXEC
96882 + if (!err && area_m)
96883 + err = vma_adjust(area_m, addr_m, next_m->vm_end,
96884 + next_m->vm_pgoff - pglen, NULL);
96885 +#endif
96886 +
96887 + }
96888 if (err)
96889 return NULL;
96890 khugepaged_enter_vma_merge(area, vm_flags);
96891 @@ -1208,8 +1295,10 @@ none:
96892 void vm_stat_account(struct mm_struct *mm, unsigned long flags,
96893 struct file *file, long pages)
96894 {
96895 - const unsigned long stack_flags
96896 - = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN);
96897 +
96898 +#ifdef CONFIG_PAX_RANDMMAP
96899 + if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)))
96900 +#endif
96901
96902 mm->total_vm += pages;
96903
96904 @@ -1217,7 +1306,7 @@ void vm_stat_account(struct mm_struct *mm, unsigned long flags,
96905 mm->shared_vm += pages;
96906 if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC)
96907 mm->exec_vm += pages;
96908 - } else if (flags & stack_flags)
96909 + } else if (flags & (VM_GROWSUP|VM_GROWSDOWN))
96910 mm->stack_vm += pages;
96911 }
96912 #endif /* CONFIG_PROC_FS */
96913 @@ -1247,6 +1336,7 @@ static inline int mlock_future_check(struct mm_struct *mm,
96914 locked += mm->locked_vm;
96915 lock_limit = rlimit(RLIMIT_MEMLOCK);
96916 lock_limit >>= PAGE_SHIFT;
96917 + gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
96918 if (locked > lock_limit && !capable(CAP_IPC_LOCK))
96919 return -EAGAIN;
96920 }
96921 @@ -1273,7 +1363,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
96922 * (the exception is when the underlying filesystem is noexec
96923 * mounted, in which case we dont add PROT_EXEC.)
96924 */
96925 - if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
96926 + if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
96927 if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC)))
96928 prot |= PROT_EXEC;
96929
96930 @@ -1299,7 +1389,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
96931 /* Obtain the address to map to. we verify (or select) it and ensure
96932 * that it represents a valid section of the address space.
96933 */
96934 - addr = get_unmapped_area(file, addr, len, pgoff, flags);
96935 + addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0));
96936 if (addr & ~PAGE_MASK)
96937 return addr;
96938
96939 @@ -1310,6 +1400,43 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
96940 vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) |
96941 mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
96942
96943 +#ifdef CONFIG_PAX_MPROTECT
96944 + if (mm->pax_flags & MF_PAX_MPROTECT) {
96945 +
96946 +#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG
96947 + if (file && !pgoff && (vm_flags & VM_EXEC) && mm->binfmt &&
96948 + mm->binfmt->handle_mmap)
96949 + mm->binfmt->handle_mmap(file);
96950 +#endif
96951 +
96952 +#ifndef CONFIG_PAX_MPROTECT_COMPAT
96953 + if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) {
96954 + gr_log_rwxmmap(file);
96955 +
96956 +#ifdef CONFIG_PAX_EMUPLT
96957 + vm_flags &= ~VM_EXEC;
96958 +#else
96959 + return -EPERM;
96960 +#endif
96961 +
96962 + }
96963 +
96964 + if (!(vm_flags & VM_EXEC))
96965 + vm_flags &= ~VM_MAYEXEC;
96966 +#else
96967 + if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
96968 + vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
96969 +#endif
96970 + else
96971 + vm_flags &= ~VM_MAYWRITE;
96972 + }
96973 +#endif
96974 +
96975 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
96976 + if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file)
96977 + vm_flags &= ~VM_PAGEEXEC;
96978 +#endif
96979 +
96980 if (flags & MAP_LOCKED)
96981 if (!can_do_mlock())
96982 return -EPERM;
96983 @@ -1397,6 +1524,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
96984 vm_flags |= VM_NORESERVE;
96985 }
96986
96987 + if (!gr_acl_handle_mmap(file, prot))
96988 + return -EACCES;
96989 +
96990 addr = mmap_region(file, addr, len, vm_flags, pgoff);
96991 if (!IS_ERR_VALUE(addr) &&
96992 ((vm_flags & VM_LOCKED) ||
96993 @@ -1490,7 +1620,7 @@ int vma_wants_writenotify(struct vm_area_struct *vma)
96994 vm_flags_t vm_flags = vma->vm_flags;
96995
96996 /* If it was private or non-writable, the write bit is already clear */
96997 - if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED)))
96998 + if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED))
96999 return 0;
97000
97001 /* The backer wishes to know when pages are first written to? */
97002 @@ -1541,7 +1671,22 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
97003 struct rb_node **rb_link, *rb_parent;
97004 unsigned long charged = 0;
97005
97006 +#ifdef CONFIG_PAX_SEGMEXEC
97007 + struct vm_area_struct *vma_m = NULL;
97008 +#endif
97009 +
97010 + /*
97011 + * mm->mmap_sem is required to protect against another thread
97012 + * changing the mappings in case we sleep.
97013 + */
97014 + verify_mm_writelocked(mm);
97015 +
97016 /* Check against address space limit. */
97017 +
97018 +#ifdef CONFIG_PAX_RANDMMAP
97019 + if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (vm_flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)))
97020 +#endif
97021 +
97022 if (!may_expand_vm(mm, len >> PAGE_SHIFT)) {
97023 unsigned long nr_pages;
97024
97025 @@ -1560,11 +1705,10 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
97026
97027 /* Clear old maps */
97028 error = -ENOMEM;
97029 -munmap_back:
97030 if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)) {
97031 if (do_munmap(mm, addr, len))
97032 return -ENOMEM;
97033 - goto munmap_back;
97034 + BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent));
97035 }
97036
97037 /*
97038 @@ -1595,6 +1739,16 @@ munmap_back:
97039 goto unacct_error;
97040 }
97041
97042 +#ifdef CONFIG_PAX_SEGMEXEC
97043 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) {
97044 + vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
97045 + if (!vma_m) {
97046 + error = -ENOMEM;
97047 + goto free_vma;
97048 + }
97049 + }
97050 +#endif
97051 +
97052 vma->vm_mm = mm;
97053 vma->vm_start = addr;
97054 vma->vm_end = addr + len;
97055 @@ -1625,6 +1779,13 @@ munmap_back:
97056 if (error)
97057 goto unmap_and_free_vma;
97058
97059 +#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32)
97060 + if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) {
97061 + vma->vm_flags |= VM_PAGEEXEC;
97062 + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
97063 + }
97064 +#endif
97065 +
97066 /* Can addr have changed??
97067 *
97068 * Answer: Yes, several device drivers can do it in their
97069 @@ -1643,6 +1804,12 @@ munmap_back:
97070 }
97071
97072 vma_link(mm, vma, prev, rb_link, rb_parent);
97073 +
97074 +#ifdef CONFIG_PAX_SEGMEXEC
97075 + if (vma_m)
97076 + BUG_ON(pax_mirror_vma(vma_m, vma));
97077 +#endif
97078 +
97079 /* Once vma denies write, undo our temporary denial count */
97080 if (file) {
97081 if (vm_flags & VM_SHARED)
97082 @@ -1655,6 +1822,7 @@ out:
97083 perf_event_mmap(vma);
97084
97085 vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
97086 + track_exec_limit(mm, addr, addr + len, vm_flags);
97087 if (vm_flags & VM_LOCKED) {
97088 if (!((vm_flags & VM_SPECIAL) || is_vm_hugetlb_page(vma) ||
97089 vma == get_gate_vma(current->mm)))
97090 @@ -1692,6 +1860,12 @@ allow_write_and_free_vma:
97091 if (vm_flags & VM_DENYWRITE)
97092 allow_write_access(file);
97093 free_vma:
97094 +
97095 +#ifdef CONFIG_PAX_SEGMEXEC
97096 + if (vma_m)
97097 + kmem_cache_free(vm_area_cachep, vma_m);
97098 +#endif
97099 +
97100 kmem_cache_free(vm_area_cachep, vma);
97101 unacct_error:
97102 if (charged)
97103 @@ -1699,7 +1873,63 @@ unacct_error:
97104 return error;
97105 }
97106
97107 -unsigned long unmapped_area(struct vm_unmapped_area_info *info)
97108 +#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK
97109 +unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags)
97110 +{
97111 + if ((mm->pax_flags & MF_PAX_RANDMMAP) && !filp && (flags & MAP_STACK))
97112 + return ((prandom_u32() & 0xFF) + 1) << PAGE_SHIFT;
97113 +
97114 + return 0;
97115 +}
97116 +#endif
97117 +
97118 +bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset)
97119 +{
97120 + if (!vma) {
97121 +#ifdef CONFIG_STACK_GROWSUP
97122 + if (addr > sysctl_heap_stack_gap)
97123 + vma = find_vma(current->mm, addr - sysctl_heap_stack_gap);
97124 + else
97125 + vma = find_vma(current->mm, 0);
97126 + if (vma && (vma->vm_flags & VM_GROWSUP))
97127 + return false;
97128 +#endif
97129 + return true;
97130 + }
97131 +
97132 + if (addr + len > vma->vm_start)
97133 + return false;
97134 +
97135 + if (vma->vm_flags & VM_GROWSDOWN)
97136 + return sysctl_heap_stack_gap <= vma->vm_start - addr - len;
97137 +#ifdef CONFIG_STACK_GROWSUP
97138 + else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP))
97139 + return addr - vma->vm_prev->vm_end >= sysctl_heap_stack_gap;
97140 +#endif
97141 + else if (offset)
97142 + return offset <= vma->vm_start - addr - len;
97143 +
97144 + return true;
97145 +}
97146 +
97147 +unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset)
97148 +{
97149 + if (vma->vm_start < len)
97150 + return -ENOMEM;
97151 +
97152 + if (!(vma->vm_flags & VM_GROWSDOWN)) {
97153 + if (offset <= vma->vm_start - len)
97154 + return vma->vm_start - len - offset;
97155 + else
97156 + return -ENOMEM;
97157 + }
97158 +
97159 + if (sysctl_heap_stack_gap <= vma->vm_start - len)
97160 + return vma->vm_start - len - sysctl_heap_stack_gap;
97161 + return -ENOMEM;
97162 +}
97163 +
97164 +unsigned long unmapped_area(const struct vm_unmapped_area_info *info)
97165 {
97166 /*
97167 * We implement the search by looking for an rbtree node that
97168 @@ -1747,11 +1977,29 @@ unsigned long unmapped_area(struct vm_unmapped_area_info *info)
97169 }
97170 }
97171
97172 - gap_start = vma->vm_prev ? vma->vm_prev->vm_end : 0;
97173 + gap_start = vma->vm_prev ? vma->vm_prev->vm_end: 0;
97174 check_current:
97175 /* Check if current node has a suitable gap */
97176 if (gap_start > high_limit)
97177 return -ENOMEM;
97178 +
97179 + if (gap_end - gap_start > info->threadstack_offset)
97180 + gap_start += info->threadstack_offset;
97181 + else
97182 + gap_start = gap_end;
97183 +
97184 + if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) {
97185 + if (gap_end - gap_start > sysctl_heap_stack_gap)
97186 + gap_start += sysctl_heap_stack_gap;
97187 + else
97188 + gap_start = gap_end;
97189 + }
97190 + if (vma->vm_flags & VM_GROWSDOWN) {
97191 + if (gap_end - gap_start > sysctl_heap_stack_gap)
97192 + gap_end -= sysctl_heap_stack_gap;
97193 + else
97194 + gap_end = gap_start;
97195 + }
97196 if (gap_end >= low_limit && gap_end - gap_start >= length)
97197 goto found;
97198
97199 @@ -1801,7 +2049,7 @@ found:
97200 return gap_start;
97201 }
97202
97203 -unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info)
97204 +unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info)
97205 {
97206 struct mm_struct *mm = current->mm;
97207 struct vm_area_struct *vma;
97208 @@ -1855,6 +2103,24 @@ check_current:
97209 gap_end = vma->vm_start;
97210 if (gap_end < low_limit)
97211 return -ENOMEM;
97212 +
97213 + if (gap_end - gap_start > info->threadstack_offset)
97214 + gap_end -= info->threadstack_offset;
97215 + else
97216 + gap_end = gap_start;
97217 +
97218 + if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) {
97219 + if (gap_end - gap_start > sysctl_heap_stack_gap)
97220 + gap_start += sysctl_heap_stack_gap;
97221 + else
97222 + gap_start = gap_end;
97223 + }
97224 + if (vma->vm_flags & VM_GROWSDOWN) {
97225 + if (gap_end - gap_start > sysctl_heap_stack_gap)
97226 + gap_end -= sysctl_heap_stack_gap;
97227 + else
97228 + gap_end = gap_start;
97229 + }
97230 if (gap_start <= high_limit && gap_end - gap_start >= length)
97231 goto found;
97232
97233 @@ -1918,6 +2184,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
97234 struct mm_struct *mm = current->mm;
97235 struct vm_area_struct *vma;
97236 struct vm_unmapped_area_info info;
97237 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
97238
97239 if (len > TASK_SIZE - mmap_min_addr)
97240 return -ENOMEM;
97241 @@ -1925,11 +2192,15 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
97242 if (flags & MAP_FIXED)
97243 return addr;
97244
97245 +#ifdef CONFIG_PAX_RANDMMAP
97246 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
97247 +#endif
97248 +
97249 if (addr) {
97250 addr = PAGE_ALIGN(addr);
97251 vma = find_vma(mm, addr);
97252 if (TASK_SIZE - len >= addr && addr >= mmap_min_addr &&
97253 - (!vma || addr + len <= vma->vm_start))
97254 + check_heap_stack_gap(vma, addr, len, offset))
97255 return addr;
97256 }
97257
97258 @@ -1938,6 +2209,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
97259 info.low_limit = mm->mmap_base;
97260 info.high_limit = TASK_SIZE;
97261 info.align_mask = 0;
97262 + info.threadstack_offset = offset;
97263 return vm_unmapped_area(&info);
97264 }
97265 #endif
97266 @@ -1956,6 +2228,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
97267 struct mm_struct *mm = current->mm;
97268 unsigned long addr = addr0;
97269 struct vm_unmapped_area_info info;
97270 + unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags);
97271
97272 /* requested length too big for entire address space */
97273 if (len > TASK_SIZE - mmap_min_addr)
97274 @@ -1964,12 +2237,16 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
97275 if (flags & MAP_FIXED)
97276 return addr;
97277
97278 +#ifdef CONFIG_PAX_RANDMMAP
97279 + if (!(mm->pax_flags & MF_PAX_RANDMMAP))
97280 +#endif
97281 +
97282 /* requesting a specific address */
97283 if (addr) {
97284 addr = PAGE_ALIGN(addr);
97285 vma = find_vma(mm, addr);
97286 if (TASK_SIZE - len >= addr && addr >= mmap_min_addr &&
97287 - (!vma || addr + len <= vma->vm_start))
97288 + check_heap_stack_gap(vma, addr, len, offset))
97289 return addr;
97290 }
97291
97292 @@ -1978,6 +2255,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
97293 info.low_limit = max(PAGE_SIZE, mmap_min_addr);
97294 info.high_limit = mm->mmap_base;
97295 info.align_mask = 0;
97296 + info.threadstack_offset = offset;
97297 addr = vm_unmapped_area(&info);
97298
97299 /*
97300 @@ -1990,6 +2268,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
97301 VM_BUG_ON(addr != -ENOMEM);
97302 info.flags = 0;
97303 info.low_limit = TASK_UNMAPPED_BASE;
97304 +
97305 +#ifdef CONFIG_PAX_RANDMMAP
97306 + if (mm->pax_flags & MF_PAX_RANDMMAP)
97307 + info.low_limit += mm->delta_mmap;
97308 +#endif
97309 +
97310 info.high_limit = TASK_SIZE;
97311 addr = vm_unmapped_area(&info);
97312 }
97313 @@ -2090,6 +2374,28 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr,
97314 return vma;
97315 }
97316
97317 +#ifdef CONFIG_PAX_SEGMEXEC
97318 +struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma)
97319 +{
97320 + struct vm_area_struct *vma_m;
97321 +
97322 + BUG_ON(!vma || vma->vm_start >= vma->vm_end);
97323 + if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) {
97324 + BUG_ON(vma->vm_mirror);
97325 + return NULL;
97326 + }
97327 + BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end);
97328 + vma_m = vma->vm_mirror;
97329 + BUG_ON(!vma_m || vma_m->vm_mirror != vma);
97330 + BUG_ON(vma->vm_file != vma_m->vm_file);
97331 + BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start);
97332 + BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff);
97333 + BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root);
97334 + BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED));
97335 + return vma_m;
97336 +}
97337 +#endif
97338 +
97339 /*
97340 * Verify that the stack growth is acceptable and
97341 * update accounting. This is shared with both the
97342 @@ -2107,8 +2413,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
97343
97344 /* Stack limit test */
97345 actual_size = size;
97346 - if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN)))
97347 - actual_size -= PAGE_SIZE;
97348 + gr_learn_resource(current, RLIMIT_STACK, actual_size, 1);
97349 if (actual_size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
97350 return -ENOMEM;
97351
97352 @@ -2119,6 +2424,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
97353 locked = mm->locked_vm + grow;
97354 limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
97355 limit >>= PAGE_SHIFT;
97356 + gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1);
97357 if (locked > limit && !capable(CAP_IPC_LOCK))
97358 return -ENOMEM;
97359 }
97360 @@ -2148,37 +2454,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
97361 * PA-RISC uses this for its stack; IA64 for its Register Backing Store.
97362 * vma is the last one with address > vma->vm_end. Have to extend vma.
97363 */
97364 +#ifndef CONFIG_IA64
97365 +static
97366 +#endif
97367 int expand_upwards(struct vm_area_struct *vma, unsigned long address)
97368 {
97369 int error;
97370 + bool locknext;
97371
97372 if (!(vma->vm_flags & VM_GROWSUP))
97373 return -EFAULT;
97374
97375 + /* Also guard against wrapping around to address 0. */
97376 + if (address < PAGE_ALIGN(address+1))
97377 + address = PAGE_ALIGN(address+1);
97378 + else
97379 + return -ENOMEM;
97380 +
97381 /*
97382 * We must make sure the anon_vma is allocated
97383 * so that the anon_vma locking is not a noop.
97384 */
97385 if (unlikely(anon_vma_prepare(vma)))
97386 return -ENOMEM;
97387 + locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN);
97388 + if (locknext && anon_vma_prepare(vma->vm_next))
97389 + return -ENOMEM;
97390 vma_lock_anon_vma(vma);
97391 + if (locknext)
97392 + vma_lock_anon_vma(vma->vm_next);
97393
97394 /*
97395 * vma->vm_start/vm_end cannot change under us because the caller
97396 * is required to hold the mmap_sem in read mode. We need the
97397 - * anon_vma lock to serialize against concurrent expand_stacks.
97398 - * Also guard against wrapping around to address 0.
97399 + * anon_vma locks to serialize against concurrent expand_stacks
97400 + * and expand_upwards.
97401 */
97402 - if (address < PAGE_ALIGN(address+4))
97403 - address = PAGE_ALIGN(address+4);
97404 - else {
97405 - vma_unlock_anon_vma(vma);
97406 - return -ENOMEM;
97407 - }
97408 error = 0;
97409
97410 /* Somebody else might have raced and expanded it already */
97411 - if (address > vma->vm_end) {
97412 + if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap)
97413 + error = -ENOMEM;
97414 + else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) {
97415 unsigned long size, grow;
97416
97417 size = address - vma->vm_start;
97418 @@ -2213,6 +2530,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
97419 }
97420 }
97421 }
97422 + if (locknext)
97423 + vma_unlock_anon_vma(vma->vm_next);
97424 vma_unlock_anon_vma(vma);
97425 khugepaged_enter_vma_merge(vma, vma->vm_flags);
97426 validate_mm(vma->vm_mm);
97427 @@ -2227,6 +2546,8 @@ int expand_downwards(struct vm_area_struct *vma,
97428 unsigned long address)
97429 {
97430 int error;
97431 + bool lockprev = false;
97432 + struct vm_area_struct *prev;
97433
97434 /*
97435 * We must make sure the anon_vma is allocated
97436 @@ -2240,6 +2561,15 @@ int expand_downwards(struct vm_area_struct *vma,
97437 if (error)
97438 return error;
97439
97440 + prev = vma->vm_prev;
97441 +#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64)
97442 + lockprev = prev && (prev->vm_flags & VM_GROWSUP);
97443 +#endif
97444 + if (lockprev && anon_vma_prepare(prev))
97445 + return -ENOMEM;
97446 + if (lockprev)
97447 + vma_lock_anon_vma(prev);
97448 +
97449 vma_lock_anon_vma(vma);
97450
97451 /*
97452 @@ -2249,9 +2579,17 @@ int expand_downwards(struct vm_area_struct *vma,
97453 */
97454
97455 /* Somebody else might have raced and expanded it already */
97456 - if (address < vma->vm_start) {
97457 + if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap)
97458 + error = -ENOMEM;
97459 + else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) {
97460 unsigned long size, grow;
97461
97462 +#ifdef CONFIG_PAX_SEGMEXEC
97463 + struct vm_area_struct *vma_m;
97464 +
97465 + vma_m = pax_find_mirror_vma(vma);
97466 +#endif
97467 +
97468 size = vma->vm_end - address;
97469 grow = (vma->vm_start - address) >> PAGE_SHIFT;
97470
97471 @@ -2276,13 +2614,27 @@ int expand_downwards(struct vm_area_struct *vma,
97472 vma->vm_pgoff -= grow;
97473 anon_vma_interval_tree_post_update_vma(vma);
97474 vma_gap_update(vma);
97475 +
97476 +#ifdef CONFIG_PAX_SEGMEXEC
97477 + if (vma_m) {
97478 + anon_vma_interval_tree_pre_update_vma(vma_m);
97479 + vma_m->vm_start -= grow << PAGE_SHIFT;
97480 + vma_m->vm_pgoff -= grow;
97481 + anon_vma_interval_tree_post_update_vma(vma_m);
97482 + vma_gap_update(vma_m);
97483 + }
97484 +#endif
97485 +
97486 spin_unlock(&vma->vm_mm->page_table_lock);
97487
97488 + track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags);
97489 perf_event_mmap(vma);
97490 }
97491 }
97492 }
97493 vma_unlock_anon_vma(vma);
97494 + if (lockprev)
97495 + vma_unlock_anon_vma(prev);
97496 khugepaged_enter_vma_merge(vma, vma->vm_flags);
97497 validate_mm(vma->vm_mm);
97498 return error;
97499 @@ -2380,6 +2732,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
97500 do {
97501 long nrpages = vma_pages(vma);
97502
97503 +#ifdef CONFIG_PAX_SEGMEXEC
97504 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) {
97505 + vma = remove_vma(vma);
97506 + continue;
97507 + }
97508 +#endif
97509 +
97510 if (vma->vm_flags & VM_ACCOUNT)
97511 nr_accounted += nrpages;
97512 vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
97513 @@ -2424,6 +2783,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
97514 insertion_point = (prev ? &prev->vm_next : &mm->mmap);
97515 vma->vm_prev = NULL;
97516 do {
97517 +
97518 +#ifdef CONFIG_PAX_SEGMEXEC
97519 + if (vma->vm_mirror) {
97520 + BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma);
97521 + vma->vm_mirror->vm_mirror = NULL;
97522 + vma->vm_mirror->vm_flags &= ~VM_EXEC;
97523 + vma->vm_mirror = NULL;
97524 + }
97525 +#endif
97526 +
97527 vma_rb_erase(vma, &mm->mm_rb);
97528 mm->map_count--;
97529 tail_vma = vma;
97530 @@ -2451,14 +2820,33 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97531 struct vm_area_struct *new;
97532 int err = -ENOMEM;
97533
97534 +#ifdef CONFIG_PAX_SEGMEXEC
97535 + struct vm_area_struct *vma_m, *new_m = NULL;
97536 + unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE;
97537 +#endif
97538 +
97539 if (is_vm_hugetlb_page(vma) && (addr &
97540 ~(huge_page_mask(hstate_vma(vma)))))
97541 return -EINVAL;
97542
97543 +#ifdef CONFIG_PAX_SEGMEXEC
97544 + vma_m = pax_find_mirror_vma(vma);
97545 +#endif
97546 +
97547 new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
97548 if (!new)
97549 goto out_err;
97550
97551 +#ifdef CONFIG_PAX_SEGMEXEC
97552 + if (vma_m) {
97553 + new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
97554 + if (!new_m) {
97555 + kmem_cache_free(vm_area_cachep, new);
97556 + goto out_err;
97557 + }
97558 + }
97559 +#endif
97560 +
97561 /* most fields are the same, copy all, and then fixup */
97562 *new = *vma;
97563
97564 @@ -2471,6 +2859,22 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97565 new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT);
97566 }
97567
97568 +#ifdef CONFIG_PAX_SEGMEXEC
97569 + if (vma_m) {
97570 + *new_m = *vma_m;
97571 + INIT_LIST_HEAD(&new_m->anon_vma_chain);
97572 + new_m->vm_mirror = new;
97573 + new->vm_mirror = new_m;
97574 +
97575 + if (new_below)
97576 + new_m->vm_end = addr_m;
97577 + else {
97578 + new_m->vm_start = addr_m;
97579 + new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT);
97580 + }
97581 + }
97582 +#endif
97583 +
97584 err = vma_dup_policy(vma, new);
97585 if (err)
97586 goto out_free_vma;
97587 @@ -2491,6 +2895,38 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97588 else
97589 err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
97590
97591 +#ifdef CONFIG_PAX_SEGMEXEC
97592 + if (!err && vma_m) {
97593 + struct mempolicy *pol = vma_policy(new);
97594 +
97595 + if (anon_vma_clone(new_m, vma_m))
97596 + goto out_free_mpol;
97597 +
97598 + mpol_get(pol);
97599 + set_vma_policy(new_m, pol);
97600 +
97601 + if (new_m->vm_file)
97602 + get_file(new_m->vm_file);
97603 +
97604 + if (new_m->vm_ops && new_m->vm_ops->open)
97605 + new_m->vm_ops->open(new_m);
97606 +
97607 + if (new_below)
97608 + err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff +
97609 + ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m);
97610 + else
97611 + err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m);
97612 +
97613 + if (err) {
97614 + if (new_m->vm_ops && new_m->vm_ops->close)
97615 + new_m->vm_ops->close(new_m);
97616 + if (new_m->vm_file)
97617 + fput(new_m->vm_file);
97618 + mpol_put(pol);
97619 + }
97620 + }
97621 +#endif
97622 +
97623 /* Success. */
97624 if (!err)
97625 return 0;
97626 @@ -2500,10 +2936,18 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97627 new->vm_ops->close(new);
97628 if (new->vm_file)
97629 fput(new->vm_file);
97630 - unlink_anon_vmas(new);
97631 out_free_mpol:
97632 mpol_put(vma_policy(new));
97633 out_free_vma:
97634 +
97635 +#ifdef CONFIG_PAX_SEGMEXEC
97636 + if (new_m) {
97637 + unlink_anon_vmas(new_m);
97638 + kmem_cache_free(vm_area_cachep, new_m);
97639 + }
97640 +#endif
97641 +
97642 + unlink_anon_vmas(new);
97643 kmem_cache_free(vm_area_cachep, new);
97644 out_err:
97645 return err;
97646 @@ -2516,6 +2960,15 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97647 int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97648 unsigned long addr, int new_below)
97649 {
97650 +
97651 +#ifdef CONFIG_PAX_SEGMEXEC
97652 + if (mm->pax_flags & MF_PAX_SEGMEXEC) {
97653 + BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE);
97654 + if (mm->map_count >= sysctl_max_map_count-1)
97655 + return -ENOMEM;
97656 + } else
97657 +#endif
97658 +
97659 if (mm->map_count >= sysctl_max_map_count)
97660 return -ENOMEM;
97661
97662 @@ -2527,11 +2980,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
97663 * work. This now handles partial unmappings.
97664 * Jeremy Fitzhardinge <jeremy@goop.org>
97665 */
97666 +#ifdef CONFIG_PAX_SEGMEXEC
97667 int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
97668 {
97669 + int ret = __do_munmap(mm, start, len);
97670 + if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC))
97671 + return ret;
97672 +
97673 + return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len);
97674 +}
97675 +
97676 +int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
97677 +#else
97678 +int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
97679 +#endif
97680 +{
97681 unsigned long end;
97682 struct vm_area_struct *vma, *prev, *last;
97683
97684 + /*
97685 + * mm->mmap_sem is required to protect against another thread
97686 + * changing the mappings in case we sleep.
97687 + */
97688 + verify_mm_writelocked(mm);
97689 +
97690 if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start)
97691 return -EINVAL;
97692
97693 @@ -2607,6 +3079,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
97694 /* Fix up all other VM information */
97695 remove_vma_list(mm, vma);
97696
97697 + track_exec_limit(mm, start, end, 0UL);
97698 +
97699 return 0;
97700 }
97701
97702 @@ -2615,6 +3089,13 @@ int vm_munmap(unsigned long start, size_t len)
97703 int ret;
97704 struct mm_struct *mm = current->mm;
97705
97706 +
97707 +#ifdef CONFIG_PAX_SEGMEXEC
97708 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) &&
97709 + (len > SEGMEXEC_TASK_SIZE || start > SEGMEXEC_TASK_SIZE-len))
97710 + return -EINVAL;
97711 +#endif
97712 +
97713 down_write(&mm->mmap_sem);
97714 ret = do_munmap(mm, start, len);
97715 up_write(&mm->mmap_sem);
97716 @@ -2628,16 +3109,6 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
97717 return vm_munmap(addr, len);
97718 }
97719
97720 -static inline void verify_mm_writelocked(struct mm_struct *mm)
97721 -{
97722 -#ifdef CONFIG_DEBUG_VM
97723 - if (unlikely(down_read_trylock(&mm->mmap_sem))) {
97724 - WARN_ON(1);
97725 - up_read(&mm->mmap_sem);
97726 - }
97727 -#endif
97728 -}
97729 -
97730 /*
97731 * this is really a simplified "do_mmap". it only handles
97732 * anonymous maps. eventually we may be able to do some
97733 @@ -2651,6 +3122,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
97734 struct rb_node **rb_link, *rb_parent;
97735 pgoff_t pgoff = addr >> PAGE_SHIFT;
97736 int error;
97737 + unsigned long charged;
97738
97739 len = PAGE_ALIGN(len);
97740 if (!len)
97741 @@ -2658,10 +3130,24 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
97742
97743 flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
97744
97745 +#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)
97746 + if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) {
97747 + flags &= ~VM_EXEC;
97748 +
97749 +#ifdef CONFIG_PAX_MPROTECT
97750 + if (mm->pax_flags & MF_PAX_MPROTECT)
97751 + flags &= ~VM_MAYEXEC;
97752 +#endif
97753 +
97754 + }
97755 +#endif
97756 +
97757 error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED);
97758 if (error & ~PAGE_MASK)
97759 return error;
97760
97761 + charged = len >> PAGE_SHIFT;
97762 +
97763 error = mlock_future_check(mm, mm->def_flags, len);
97764 if (error)
97765 return error;
97766 @@ -2675,21 +3161,20 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
97767 /*
97768 * Clear old maps. this also does some error checking for us
97769 */
97770 - munmap_back:
97771 if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)) {
97772 if (do_munmap(mm, addr, len))
97773 return -ENOMEM;
97774 - goto munmap_back;
97775 + BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent));
97776 }
97777
97778 /* Check against address space limits *after* clearing old maps... */
97779 - if (!may_expand_vm(mm, len >> PAGE_SHIFT))
97780 + if (!may_expand_vm(mm, charged))
97781 return -ENOMEM;
97782
97783 if (mm->map_count > sysctl_max_map_count)
97784 return -ENOMEM;
97785
97786 - if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT))
97787 + if (security_vm_enough_memory_mm(mm, charged))
97788 return -ENOMEM;
97789
97790 /* Can we just expand an old private anonymous mapping? */
97791 @@ -2703,7 +3188,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
97792 */
97793 vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
97794 if (!vma) {
97795 - vm_unacct_memory(len >> PAGE_SHIFT);
97796 + vm_unacct_memory(charged);
97797 return -ENOMEM;
97798 }
97799
97800 @@ -2717,10 +3202,11 @@ static unsigned long do_brk(unsigned long addr, unsigned long len)
97801 vma_link(mm, vma, prev, rb_link, rb_parent);
97802 out:
97803 perf_event_mmap(vma);
97804 - mm->total_vm += len >> PAGE_SHIFT;
97805 + mm->total_vm += charged;
97806 if (flags & VM_LOCKED)
97807 - mm->locked_vm += (len >> PAGE_SHIFT);
97808 + mm->locked_vm += charged;
97809 vma->vm_flags |= VM_SOFTDIRTY;
97810 + track_exec_limit(mm, addr, addr + len, flags);
97811 return addr;
97812 }
97813
97814 @@ -2782,6 +3268,7 @@ void exit_mmap(struct mm_struct *mm)
97815 while (vma) {
97816 if (vma->vm_flags & VM_ACCOUNT)
97817 nr_accounted += vma_pages(vma);
97818 + vma->vm_mirror = NULL;
97819 vma = remove_vma(vma);
97820 }
97821 vm_unacct_memory(nr_accounted);
97822 @@ -2799,6 +3286,13 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma)
97823 struct vm_area_struct *prev;
97824 struct rb_node **rb_link, *rb_parent;
97825
97826 +#ifdef CONFIG_PAX_SEGMEXEC
97827 + struct vm_area_struct *vma_m = NULL;
97828 +#endif
97829 +
97830 + if (security_mmap_addr(vma->vm_start))
97831 + return -EPERM;
97832 +
97833 /*
97834 * The vm_pgoff of a purely anonymous vma should be irrelevant
97835 * until its first write fault, when page's anon_vma and index
97836 @@ -2822,7 +3316,21 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma)
97837 security_vm_enough_memory_mm(mm, vma_pages(vma)))
97838 return -ENOMEM;
97839
97840 +#ifdef CONFIG_PAX_SEGMEXEC
97841 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) {
97842 + vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
97843 + if (!vma_m)
97844 + return -ENOMEM;
97845 + }
97846 +#endif
97847 +
97848 vma_link(mm, vma, prev, rb_link, rb_parent);
97849 +
97850 +#ifdef CONFIG_PAX_SEGMEXEC
97851 + if (vma_m)
97852 + BUG_ON(pax_mirror_vma(vma_m, vma));
97853 +#endif
97854 +
97855 return 0;
97856 }
97857
97858 @@ -2841,6 +3349,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
97859 struct rb_node **rb_link, *rb_parent;
97860 bool faulted_in_anon_vma = true;
97861
97862 + BUG_ON(vma->vm_mirror);
97863 +
97864 /*
97865 * If anonymous vma has not yet been faulted, update new pgoff
97866 * to match new location, to increase its chance of merging.
97867 @@ -2905,6 +3415,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
97868 return NULL;
97869 }
97870
97871 +#ifdef CONFIG_PAX_SEGMEXEC
97872 +long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma)
97873 +{
97874 + struct vm_area_struct *prev_m;
97875 + struct rb_node **rb_link_m, *rb_parent_m;
97876 + struct mempolicy *pol_m;
97877 +
97878 + BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC));
97879 + BUG_ON(vma->vm_mirror || vma_m->vm_mirror);
97880 + BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m)));
97881 + *vma_m = *vma;
97882 + INIT_LIST_HEAD(&vma_m->anon_vma_chain);
97883 + if (anon_vma_clone(vma_m, vma))
97884 + return -ENOMEM;
97885 + pol_m = vma_policy(vma_m);
97886 + mpol_get(pol_m);
97887 + set_vma_policy(vma_m, pol_m);
97888 + vma_m->vm_start += SEGMEXEC_TASK_SIZE;
97889 + vma_m->vm_end += SEGMEXEC_TASK_SIZE;
97890 + vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED);
97891 + vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags);
97892 + if (vma_m->vm_file)
97893 + get_file(vma_m->vm_file);
97894 + if (vma_m->vm_ops && vma_m->vm_ops->open)
97895 + vma_m->vm_ops->open(vma_m);
97896 + BUG_ON(find_vma_links(vma->vm_mm, vma_m->vm_start, vma_m->vm_end, &prev_m, &rb_link_m, &rb_parent_m));
97897 + vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m);
97898 + vma_m->vm_mirror = vma;
97899 + vma->vm_mirror = vma_m;
97900 + return 0;
97901 +}
97902 +#endif
97903 +
97904 /*
97905 * Return true if the calling process may expand its vm space by the passed
97906 * number of pages
97907 @@ -2916,6 +3459,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
97908
97909 lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT;
97910
97911 + gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1);
97912 if (cur + npages > lim)
97913 return 0;
97914 return 1;
97915 @@ -2998,6 +3542,22 @@ static struct vm_area_struct *__install_special_mapping(
97916 vma->vm_start = addr;
97917 vma->vm_end = addr + len;
97918
97919 +#ifdef CONFIG_PAX_MPROTECT
97920 + if (mm->pax_flags & MF_PAX_MPROTECT) {
97921 +#ifndef CONFIG_PAX_MPROTECT_COMPAT
97922 + if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC))
97923 + return ERR_PTR(-EPERM);
97924 + if (!(vm_flags & VM_EXEC))
97925 + vm_flags &= ~VM_MAYEXEC;
97926 +#else
97927 + if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC)
97928 + vm_flags &= ~(VM_EXEC | VM_MAYEXEC);
97929 +#endif
97930 + else
97931 + vm_flags &= ~VM_MAYWRITE;
97932 + }
97933 +#endif
97934 +
97935 vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY;
97936 vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
97937
97938 diff --git a/mm/mprotect.c b/mm/mprotect.c
97939 index ace9345..63320dc 100644
97940 --- a/mm/mprotect.c
97941 +++ b/mm/mprotect.c
97942 @@ -24,10 +24,18 @@
97943 #include <linux/migrate.h>
97944 #include <linux/perf_event.h>
97945 #include <linux/ksm.h>
97946 +#include <linux/sched/sysctl.h>
97947 +
97948 +#ifdef CONFIG_PAX_MPROTECT
97949 +#include <linux/elf.h>
97950 +#include <linux/binfmts.h>
97951 +#endif
97952 +
97953 #include <asm/uaccess.h>
97954 #include <asm/pgtable.h>
97955 #include <asm/cacheflush.h>
97956 #include <asm/tlbflush.h>
97957 +#include <asm/mmu_context.h>
97958
97959 /*
97960 * For a prot_numa update we only hold mmap_sem for read so there is a
97961 @@ -251,6 +259,48 @@ unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,
97962 return pages;
97963 }
97964
97965 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
97966 +/* called while holding the mmap semaphor for writing except stack expansion */
97967 +void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot)
97968 +{
97969 + unsigned long oldlimit, newlimit = 0UL;
97970 +
97971 + if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX))
97972 + return;
97973 +
97974 + spin_lock(&mm->page_table_lock);
97975 + oldlimit = mm->context.user_cs_limit;
97976 + if ((prot & VM_EXEC) && oldlimit < end)
97977 + /* USER_CS limit moved up */
97978 + newlimit = end;
97979 + else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end)
97980 + /* USER_CS limit moved down */
97981 + newlimit = start;
97982 +
97983 + if (newlimit) {
97984 + mm->context.user_cs_limit = newlimit;
97985 +
97986 +#ifdef CONFIG_SMP
97987 + wmb();
97988 + cpus_clear(mm->context.cpu_user_cs_mask);
97989 + cpu_set(smp_processor_id(), mm->context.cpu_user_cs_mask);
97990 +#endif
97991 +
97992 + set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id());
97993 + }
97994 + spin_unlock(&mm->page_table_lock);
97995 + if (newlimit == end) {
97996 + struct vm_area_struct *vma = find_vma(mm, oldlimit);
97997 +
97998 + for (; vma && vma->vm_start < end; vma = vma->vm_next)
97999 + if (is_vm_hugetlb_page(vma))
98000 + hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot);
98001 + else
98002 + change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma), 0);
98003 + }
98004 +}
98005 +#endif
98006 +
98007 int
98008 mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
98009 unsigned long start, unsigned long end, unsigned long newflags)
98010 @@ -263,11 +313,29 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
98011 int error;
98012 int dirty_accountable = 0;
98013
98014 +#ifdef CONFIG_PAX_SEGMEXEC
98015 + struct vm_area_struct *vma_m = NULL;
98016 + unsigned long start_m, end_m;
98017 +
98018 + start_m = start + SEGMEXEC_TASK_SIZE;
98019 + end_m = end + SEGMEXEC_TASK_SIZE;
98020 +#endif
98021 +
98022 if (newflags == oldflags) {
98023 *pprev = vma;
98024 return 0;
98025 }
98026
98027 + if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) {
98028 + struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next;
98029 +
98030 + if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end)
98031 + return -ENOMEM;
98032 +
98033 + if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end)
98034 + return -ENOMEM;
98035 + }
98036 +
98037 /*
98038 * If we make a private mapping writable we increase our commit;
98039 * but (without finer accounting) cannot reduce our commit if we
98040 @@ -284,6 +352,42 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
98041 }
98042 }
98043
98044 +#ifdef CONFIG_PAX_SEGMEXEC
98045 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) {
98046 + if (start != vma->vm_start) {
98047 + error = split_vma(mm, vma, start, 1);
98048 + if (error)
98049 + goto fail;
98050 + BUG_ON(!*pprev || (*pprev)->vm_next == vma);
98051 + *pprev = (*pprev)->vm_next;
98052 + }
98053 +
98054 + if (end != vma->vm_end) {
98055 + error = split_vma(mm, vma, end, 0);
98056 + if (error)
98057 + goto fail;
98058 + }
98059 +
98060 + if (pax_find_mirror_vma(vma)) {
98061 + error = __do_munmap(mm, start_m, end_m - start_m);
98062 + if (error)
98063 + goto fail;
98064 + } else {
98065 + vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
98066 + if (!vma_m) {
98067 + error = -ENOMEM;
98068 + goto fail;
98069 + }
98070 + vma->vm_flags = newflags;
98071 + error = pax_mirror_vma(vma_m, vma);
98072 + if (error) {
98073 + vma->vm_flags = oldflags;
98074 + goto fail;
98075 + }
98076 + }
98077 + }
98078 +#endif
98079 +
98080 /*
98081 * First try to merge with previous and/or next vma.
98082 */
98083 @@ -314,7 +418,19 @@ success:
98084 * vm_flags and vm_page_prot are protected by the mmap_sem
98085 * held in write mode.
98086 */
98087 +
98088 +#ifdef CONFIG_PAX_SEGMEXEC
98089 + if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ))
98090 + pax_find_mirror_vma(vma)->vm_flags ^= VM_READ;
98091 +#endif
98092 +
98093 vma->vm_flags = newflags;
98094 +
98095 +#ifdef CONFIG_PAX_MPROTECT
98096 + if (mm->binfmt && mm->binfmt->handle_mprotect)
98097 + mm->binfmt->handle_mprotect(vma, newflags);
98098 +#endif
98099 +
98100 dirty_accountable = vma_wants_writenotify(vma);
98101 vma_set_page_prot(vma);
98102
98103 @@ -350,6 +466,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
98104 end = start + len;
98105 if (end <= start)
98106 return -ENOMEM;
98107 +
98108 +#ifdef CONFIG_PAX_SEGMEXEC
98109 + if (current->mm->pax_flags & MF_PAX_SEGMEXEC) {
98110 + if (end > SEGMEXEC_TASK_SIZE)
98111 + return -EINVAL;
98112 + } else
98113 +#endif
98114 +
98115 + if (end > TASK_SIZE)
98116 + return -EINVAL;
98117 +
98118 if (!arch_validate_prot(prot))
98119 return -EINVAL;
98120
98121 @@ -357,7 +484,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
98122 /*
98123 * Does the application expect PROT_READ to imply PROT_EXEC:
98124 */
98125 - if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
98126 + if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC))
98127 prot |= PROT_EXEC;
98128
98129 vm_flags = calc_vm_prot_bits(prot);
98130 @@ -389,6 +516,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
98131 if (start > vma->vm_start)
98132 prev = vma;
98133
98134 +#ifdef CONFIG_PAX_MPROTECT
98135 + if (current->mm->binfmt && current->mm->binfmt->handle_mprotect)
98136 + current->mm->binfmt->handle_mprotect(vma, vm_flags);
98137 +#endif
98138 +
98139 for (nstart = start ; ; ) {
98140 unsigned long newflags;
98141
98142 @@ -399,6 +531,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
98143
98144 /* newflags >> 4 shift VM_MAY% in place of VM_% */
98145 if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) {
98146 + if (prot & (PROT_WRITE | PROT_EXEC))
98147 + gr_log_rwxmprotect(vma);
98148 +
98149 + error = -EACCES;
98150 + goto out;
98151 + }
98152 +
98153 + if (!gr_acl_handle_mprotect(vma->vm_file, prot)) {
98154 error = -EACCES;
98155 goto out;
98156 }
98157 @@ -413,6 +553,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
98158 error = mprotect_fixup(vma, &prev, nstart, tmp, newflags);
98159 if (error)
98160 goto out;
98161 +
98162 + track_exec_limit(current->mm, nstart, tmp, vm_flags);
98163 +
98164 nstart = tmp;
98165
98166 if (nstart < prev->vm_end)
98167 diff --git a/mm/mremap.c b/mm/mremap.c
98168 index b147f66..98a695a 100644
98169 --- a/mm/mremap.c
98170 +++ b/mm/mremap.c
98171 @@ -144,6 +144,12 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
98172 continue;
98173 pte = ptep_get_and_clear(mm, old_addr, old_pte);
98174 pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr);
98175 +
98176 +#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT
98177 + if (!(__supported_pte_mask & _PAGE_NX) && pte_present(pte) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC)
98178 + pte = pte_exprotect(pte);
98179 +#endif
98180 +
98181 pte = move_soft_dirty_pte(pte);
98182 set_pte_at(mm, new_addr, new_pte, pte);
98183 }
98184 @@ -345,6 +351,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
98185 if (is_vm_hugetlb_page(vma))
98186 goto Einval;
98187
98188 +#ifdef CONFIG_PAX_SEGMEXEC
98189 + if (pax_find_mirror_vma(vma))
98190 + goto Einval;
98191 +#endif
98192 +
98193 /* We can't remap across vm area boundaries */
98194 if (old_len > vma->vm_end - addr)
98195 goto Efault;
98196 @@ -400,20 +411,25 @@ static unsigned long mremap_to(unsigned long addr, unsigned long old_len,
98197 unsigned long ret = -EINVAL;
98198 unsigned long charged = 0;
98199 unsigned long map_flags;
98200 + unsigned long pax_task_size = TASK_SIZE;
98201
98202 if (new_addr & ~PAGE_MASK)
98203 goto out;
98204
98205 - if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)
98206 +#ifdef CONFIG_PAX_SEGMEXEC
98207 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
98208 + pax_task_size = SEGMEXEC_TASK_SIZE;
98209 +#endif
98210 +
98211 + pax_task_size -= PAGE_SIZE;
98212 +
98213 + if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len)
98214 goto out;
98215
98216 /* Check if the location we're moving into overlaps the
98217 * old location at all, and fail if it does.
98218 */
98219 - if ((new_addr <= addr) && (new_addr+new_len) > addr)
98220 - goto out;
98221 -
98222 - if ((addr <= new_addr) && (addr+old_len) > new_addr)
98223 + if (addr + old_len > new_addr && new_addr + new_len > addr)
98224 goto out;
98225
98226 ret = do_munmap(mm, new_addr, new_len);
98227 @@ -482,6 +498,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
98228 unsigned long ret = -EINVAL;
98229 unsigned long charged = 0;
98230 bool locked = false;
98231 + unsigned long pax_task_size = TASK_SIZE;
98232
98233 if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE))
98234 return ret;
98235 @@ -503,6 +520,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
98236 if (!new_len)
98237 return ret;
98238
98239 +#ifdef CONFIG_PAX_SEGMEXEC
98240 + if (mm->pax_flags & MF_PAX_SEGMEXEC)
98241 + pax_task_size = SEGMEXEC_TASK_SIZE;
98242 +#endif
98243 +
98244 + pax_task_size -= PAGE_SIZE;
98245 +
98246 + if (new_len > pax_task_size || addr > pax_task_size-new_len ||
98247 + old_len > pax_task_size || addr > pax_task_size-old_len)
98248 + return ret;
98249 +
98250 down_write(&current->mm->mmap_sem);
98251
98252 if (flags & MREMAP_FIXED) {
98253 @@ -553,6 +581,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
98254 new_addr = addr;
98255 }
98256 ret = addr;
98257 + track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags);
98258 goto out;
98259 }
98260 }
98261 @@ -576,7 +605,12 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
98262 goto out;
98263 }
98264
98265 + map_flags = vma->vm_flags;
98266 ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked);
98267 + if (!(ret & ~PAGE_MASK)) {
98268 + track_exec_limit(current->mm, addr, addr + old_len, 0UL);
98269 + track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags);
98270 + }
98271 }
98272 out:
98273 if (ret & ~PAGE_MASK)
98274 diff --git a/mm/nommu.c b/mm/nommu.c
98275 index bd1808e..b63d87c 100644
98276 --- a/mm/nommu.c
98277 +++ b/mm/nommu.c
98278 @@ -70,7 +70,6 @@ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT;
98279 int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS;
98280 unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */
98281 unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */
98282 -int heap_stack_gap = 0;
98283
98284 atomic_long_t mmap_pages_allocated;
98285
98286 @@ -857,15 +856,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
98287 EXPORT_SYMBOL(find_vma);
98288
98289 /*
98290 - * find a VMA
98291 - * - we don't extend stack VMAs under NOMMU conditions
98292 - */
98293 -struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr)
98294 -{
98295 - return find_vma(mm, addr);
98296 -}
98297 -
98298 -/*
98299 * expand a stack to a given address
98300 * - not supported under NOMMU conditions
98301 */
98302 @@ -1572,6 +1562,7 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
98303
98304 /* most fields are the same, copy all, and then fixup */
98305 *new = *vma;
98306 + INIT_LIST_HEAD(&new->anon_vma_chain);
98307 *region = *vma->vm_region;
98308 new->vm_region = region;
98309
98310 @@ -2002,8 +1993,8 @@ int generic_file_remap_pages(struct vm_area_struct *vma, unsigned long addr,
98311 }
98312 EXPORT_SYMBOL(generic_file_remap_pages);
98313
98314 -static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
98315 - unsigned long addr, void *buf, int len, int write)
98316 +static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
98317 + unsigned long addr, void *buf, size_t len, int write)
98318 {
98319 struct vm_area_struct *vma;
98320
98321 @@ -2044,8 +2035,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
98322 *
98323 * The caller must hold a reference on @mm.
98324 */
98325 -int access_remote_vm(struct mm_struct *mm, unsigned long addr,
98326 - void *buf, int len, int write)
98327 +ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr,
98328 + void *buf, size_t len, int write)
98329 {
98330 return __access_remote_vm(NULL, mm, addr, buf, len, write);
98331 }
98332 @@ -2054,7 +2045,7 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr,
98333 * Access another process' address space.
98334 * - source/target buffer must be kernel space
98335 */
98336 -int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write)
98337 +ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write)
98338 {
98339 struct mm_struct *mm;
98340
98341 diff --git a/mm/page-writeback.c b/mm/page-writeback.c
98342 index 437174a..8b86707 100644
98343 --- a/mm/page-writeback.c
98344 +++ b/mm/page-writeback.c
98345 @@ -664,7 +664,7 @@ static long long pos_ratio_polynom(unsigned long setpoint,
98346 * card's bdi_dirty may rush to many times higher than bdi_setpoint.
98347 * - the bdi dirty thresh drops quickly due to change of JBOD workload
98348 */
98349 -static unsigned long bdi_position_ratio(struct backing_dev_info *bdi,
98350 +static unsigned long __intentional_overflow(-1) bdi_position_ratio(struct backing_dev_info *bdi,
98351 unsigned long thresh,
98352 unsigned long bg_thresh,
98353 unsigned long dirty,
98354 diff --git a/mm/page_alloc.c b/mm/page_alloc.c
98355 index 616a2c9..0e755f6 100644
98356 --- a/mm/page_alloc.c
98357 +++ b/mm/page_alloc.c
98358 @@ -59,6 +59,7 @@
98359 #include <linux/page-debug-flags.h>
98360 #include <linux/hugetlb.h>
98361 #include <linux/sched/rt.h>
98362 +#include <linux/random.h>
98363
98364 #include <asm/sections.h>
98365 #include <asm/tlbflush.h>
98366 @@ -356,7 +357,7 @@ out:
98367 * This usage means that zero-order pages may not be compound.
98368 */
98369
98370 -static void free_compound_page(struct page *page)
98371 +void free_compound_page(struct page *page)
98372 {
98373 __free_pages_ok(page, compound_order(page));
98374 }
98375 @@ -741,6 +742,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
98376 int i;
98377 int bad = 0;
98378
98379 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98380 + unsigned long index = 1UL << order;
98381 +#endif
98382 +
98383 trace_mm_page_free(page, order);
98384 kmemcheck_free_shadow(page, order);
98385
98386 @@ -757,6 +762,12 @@ static bool free_pages_prepare(struct page *page, unsigned int order)
98387 debug_check_no_obj_freed(page_address(page),
98388 PAGE_SIZE << order);
98389 }
98390 +
98391 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98392 + for (; index; --index)
98393 + sanitize_highpage(page + index - 1);
98394 +#endif
98395 +
98396 arch_free_page(page, order);
98397 kernel_map_pages(page, 1 << order, 0);
98398
98399 @@ -780,6 +791,20 @@ static void __free_pages_ok(struct page *page, unsigned int order)
98400 local_irq_restore(flags);
98401 }
98402
98403 +#ifdef CONFIG_PAX_LATENT_ENTROPY
98404 +bool __meminitdata extra_latent_entropy;
98405 +
98406 +static int __init setup_pax_extra_latent_entropy(char *str)
98407 +{
98408 + extra_latent_entropy = true;
98409 + return 0;
98410 +}
98411 +early_param("pax_extra_latent_entropy", setup_pax_extra_latent_entropy);
98412 +
98413 +volatile u64 latent_entropy __latent_entropy;
98414 +EXPORT_SYMBOL(latent_entropy);
98415 +#endif
98416 +
98417 void __init __free_pages_bootmem(struct page *page, unsigned int order)
98418 {
98419 unsigned int nr_pages = 1 << order;
98420 @@ -795,6 +820,19 @@ void __init __free_pages_bootmem(struct page *page, unsigned int order)
98421 __ClearPageReserved(p);
98422 set_page_count(p, 0);
98423
98424 +#ifdef CONFIG_PAX_LATENT_ENTROPY
98425 + if (extra_latent_entropy && !PageHighMem(page) && page_to_pfn(page) < 0x100000) {
98426 + u64 hash = 0;
98427 + size_t index, end = PAGE_SIZE * nr_pages / sizeof hash;
98428 + const u64 *data = lowmem_page_address(page);
98429 +
98430 + for (index = 0; index < end; index++)
98431 + hash ^= hash + data[index];
98432 + latent_entropy ^= hash;
98433 + add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
98434 + }
98435 +#endif
98436 +
98437 page_zone(page)->managed_pages += nr_pages;
98438 set_page_refcounted(page);
98439 __free_pages(page, order);
98440 @@ -923,8 +961,10 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags)
98441 arch_alloc_page(page, order);
98442 kernel_map_pages(page, 1 << order, 1);
98443
98444 +#ifndef CONFIG_PAX_MEMORY_SANITIZE
98445 if (gfp_flags & __GFP_ZERO)
98446 prep_zero_page(page, order, gfp_flags);
98447 +#endif
98448
98449 if (order && (gfp_flags & __GFP_COMP))
98450 prep_compound_page(page, order);
98451 @@ -1602,7 +1642,7 @@ again:
98452 }
98453
98454 __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order));
98455 - if (atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 &&
98456 + if (atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 &&
98457 !test_bit(ZONE_FAIR_DEPLETED, &zone->flags))
98458 set_bit(ZONE_FAIR_DEPLETED, &zone->flags);
98459
98460 @@ -1923,7 +1963,7 @@ static void reset_alloc_batches(struct zone *preferred_zone)
98461 do {
98462 mod_zone_page_state(zone, NR_ALLOC_BATCH,
98463 high_wmark_pages(zone) - low_wmark_pages(zone) -
98464 - atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]));
98465 + atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH]));
98466 clear_bit(ZONE_FAIR_DEPLETED, &zone->flags);
98467 } while (zone++ != preferred_zone);
98468 }
98469 @@ -5698,7 +5738,7 @@ static void __setup_per_zone_wmarks(void)
98470
98471 __mod_zone_page_state(zone, NR_ALLOC_BATCH,
98472 high_wmark_pages(zone) - low_wmark_pages(zone) -
98473 - atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]));
98474 + atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH]));
98475
98476 setup_zone_migrate_reserve(zone);
98477 spin_unlock_irqrestore(&zone->lock, flags);
98478 diff --git a/mm/percpu.c b/mm/percpu.c
98479 index 014bab6..db5a76f 100644
98480 --- a/mm/percpu.c
98481 +++ b/mm/percpu.c
98482 @@ -131,7 +131,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly;
98483 static unsigned int pcpu_high_unit_cpu __read_mostly;
98484
98485 /* the address of the first chunk which starts with the kernel static area */
98486 -void *pcpu_base_addr __read_mostly;
98487 +void *pcpu_base_addr __read_only;
98488 EXPORT_SYMBOL_GPL(pcpu_base_addr);
98489
98490 static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */
98491 diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
98492 index 5077afc..846c9ef 100644
98493 --- a/mm/process_vm_access.c
98494 +++ b/mm/process_vm_access.c
98495 @@ -13,6 +13,7 @@
98496 #include <linux/uio.h>
98497 #include <linux/sched.h>
98498 #include <linux/highmem.h>
98499 +#include <linux/security.h>
98500 #include <linux/ptrace.h>
98501 #include <linux/slab.h>
98502 #include <linux/syscalls.h>
98503 @@ -157,19 +158,19 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter,
98504 ssize_t iov_len;
98505 size_t total_len = iov_iter_count(iter);
98506
98507 + return -ENOSYS; // PaX: until properly audited
98508 +
98509 /*
98510 * Work out how many pages of struct pages we're going to need
98511 * when eventually calling get_user_pages
98512 */
98513 for (i = 0; i < riovcnt; i++) {
98514 iov_len = rvec[i].iov_len;
98515 - if (iov_len > 0) {
98516 - nr_pages_iov = ((unsigned long)rvec[i].iov_base
98517 - + iov_len)
98518 - / PAGE_SIZE - (unsigned long)rvec[i].iov_base
98519 - / PAGE_SIZE + 1;
98520 - nr_pages = max(nr_pages, nr_pages_iov);
98521 - }
98522 + if (iov_len <= 0)
98523 + continue;
98524 + nr_pages_iov = ((unsigned long)rvec[i].iov_base + iov_len) / PAGE_SIZE -
98525 + (unsigned long)rvec[i].iov_base / PAGE_SIZE + 1;
98526 + nr_pages = max(nr_pages, nr_pages_iov);
98527 }
98528
98529 if (nr_pages == 0)
98530 @@ -197,6 +198,11 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter,
98531 goto free_proc_pages;
98532 }
98533
98534 + if (gr_handle_ptrace(task, vm_write ? PTRACE_POKETEXT : PTRACE_ATTACH)) {
98535 + rc = -EPERM;
98536 + goto put_task_struct;
98537 + }
98538 +
98539 mm = mm_access(task, PTRACE_MODE_ATTACH);
98540 if (!mm || IS_ERR(mm)) {
98541 rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
98542 diff --git a/mm/rmap.c b/mm/rmap.c
98543 index 3e4c721..a5e3e39 100644
98544 --- a/mm/rmap.c
98545 +++ b/mm/rmap.c
98546 @@ -164,6 +164,10 @@ int anon_vma_prepare(struct vm_area_struct *vma)
98547 struct anon_vma *anon_vma = vma->anon_vma;
98548 struct anon_vma_chain *avc;
98549
98550 +#ifdef CONFIG_PAX_SEGMEXEC
98551 + struct anon_vma_chain *avc_m = NULL;
98552 +#endif
98553 +
98554 might_sleep();
98555 if (unlikely(!anon_vma)) {
98556 struct mm_struct *mm = vma->vm_mm;
98557 @@ -173,6 +177,12 @@ int anon_vma_prepare(struct vm_area_struct *vma)
98558 if (!avc)
98559 goto out_enomem;
98560
98561 +#ifdef CONFIG_PAX_SEGMEXEC
98562 + avc_m = anon_vma_chain_alloc(GFP_KERNEL);
98563 + if (!avc_m)
98564 + goto out_enomem_free_avc;
98565 +#endif
98566 +
98567 anon_vma = find_mergeable_anon_vma(vma);
98568 allocated = NULL;
98569 if (!anon_vma) {
98570 @@ -186,6 +196,18 @@ int anon_vma_prepare(struct vm_area_struct *vma)
98571 /* page_table_lock to protect against threads */
98572 spin_lock(&mm->page_table_lock);
98573 if (likely(!vma->anon_vma)) {
98574 +
98575 +#ifdef CONFIG_PAX_SEGMEXEC
98576 + struct vm_area_struct *vma_m = pax_find_mirror_vma(vma);
98577 +
98578 + if (vma_m) {
98579 + BUG_ON(vma_m->anon_vma);
98580 + vma_m->anon_vma = anon_vma;
98581 + anon_vma_chain_link(vma_m, avc_m, anon_vma);
98582 + avc_m = NULL;
98583 + }
98584 +#endif
98585 +
98586 vma->anon_vma = anon_vma;
98587 anon_vma_chain_link(vma, avc, anon_vma);
98588 allocated = NULL;
98589 @@ -196,12 +218,24 @@ int anon_vma_prepare(struct vm_area_struct *vma)
98590
98591 if (unlikely(allocated))
98592 put_anon_vma(allocated);
98593 +
98594 +#ifdef CONFIG_PAX_SEGMEXEC
98595 + if (unlikely(avc_m))
98596 + anon_vma_chain_free(avc_m);
98597 +#endif
98598 +
98599 if (unlikely(avc))
98600 anon_vma_chain_free(avc);
98601 }
98602 return 0;
98603
98604 out_enomem_free_avc:
98605 +
98606 +#ifdef CONFIG_PAX_SEGMEXEC
98607 + if (avc_m)
98608 + anon_vma_chain_free(avc_m);
98609 +#endif
98610 +
98611 anon_vma_chain_free(avc);
98612 out_enomem:
98613 return -ENOMEM;
98614 @@ -237,7 +271,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root)
98615 * Attach the anon_vmas from src to dst.
98616 * Returns 0 on success, -ENOMEM on failure.
98617 */
98618 -int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
98619 +int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src)
98620 {
98621 struct anon_vma_chain *avc, *pavc;
98622 struct anon_vma *root = NULL;
98623 @@ -270,7 +304,7 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
98624 * the corresponding VMA in the parent process is attached to.
98625 * Returns 0 on success, non-zero on failure.
98626 */
98627 -int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
98628 +int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma)
98629 {
98630 struct anon_vma_chain *avc;
98631 struct anon_vma *anon_vma;
98632 @@ -376,8 +410,10 @@ static void anon_vma_ctor(void *data)
98633 void __init anon_vma_init(void)
98634 {
98635 anon_vma_cachep = kmem_cache_create("anon_vma", sizeof(struct anon_vma),
98636 - 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC, anon_vma_ctor);
98637 - anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, SLAB_PANIC);
98638 + 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC|SLAB_NO_SANITIZE,
98639 + anon_vma_ctor);
98640 + anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain,
98641 + SLAB_PANIC|SLAB_NO_SANITIZE);
98642 }
98643
98644 /*
98645 diff --git a/mm/shmem.c b/mm/shmem.c
98646 index 185836b..d7255a1 100644
98647 --- a/mm/shmem.c
98648 +++ b/mm/shmem.c
98649 @@ -33,7 +33,7 @@
98650 #include <linux/swap.h>
98651 #include <linux/aio.h>
98652
98653 -static struct vfsmount *shm_mnt;
98654 +struct vfsmount *shm_mnt;
98655
98656 #ifdef CONFIG_SHMEM
98657 /*
98658 @@ -80,7 +80,7 @@ static struct vfsmount *shm_mnt;
98659 #define BOGO_DIRENT_SIZE 20
98660
98661 /* Symlink up to this size is kmalloc'ed instead of using a swappable page */
98662 -#define SHORT_SYMLINK_LEN 128
98663 +#define SHORT_SYMLINK_LEN 64
98664
98665 /*
98666 * shmem_fallocate communicates with shmem_fault or shmem_writepage via
98667 @@ -2558,6 +2558,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = {
98668 static int shmem_xattr_validate(const char *name)
98669 {
98670 struct { const char *prefix; size_t len; } arr[] = {
98671 +
98672 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
98673 + { XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN},
98674 +#endif
98675 +
98676 { XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN },
98677 { XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN }
98678 };
98679 @@ -2613,6 +2618,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name,
98680 if (err)
98681 return err;
98682
98683 +#ifdef CONFIG_PAX_XATTR_PAX_FLAGS
98684 + if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN)) {
98685 + if (strcmp(name, XATTR_NAME_PAX_FLAGS))
98686 + return -EOPNOTSUPP;
98687 + if (size > 8)
98688 + return -EINVAL;
98689 + }
98690 +#endif
98691 +
98692 return simple_xattr_set(&info->xattrs, name, value, size, flags);
98693 }
98694
98695 @@ -2996,8 +3010,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
98696 int err = -ENOMEM;
98697
98698 /* Round up to L1_CACHE_BYTES to resist false sharing */
98699 - sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info),
98700 - L1_CACHE_BYTES), GFP_KERNEL);
98701 + sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL);
98702 if (!sbinfo)
98703 return -ENOMEM;
98704
98705 diff --git a/mm/slab.c b/mm/slab.c
98706 index f34e053..78a3839 100644
98707 --- a/mm/slab.c
98708 +++ b/mm/slab.c
98709 @@ -314,10 +314,12 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent)
98710 if ((x)->max_freeable < i) \
98711 (x)->max_freeable = i; \
98712 } while (0)
98713 -#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit)
98714 -#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss)
98715 -#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit)
98716 -#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss)
98717 +#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit)
98718 +#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss)
98719 +#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit)
98720 +#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss)
98721 +#define STATS_INC_SANITIZED(x) atomic_inc_unchecked(&(x)->sanitized)
98722 +#define STATS_INC_NOT_SANITIZED(x) atomic_inc_unchecked(&(x)->not_sanitized)
98723 #else
98724 #define STATS_INC_ACTIVE(x) do { } while (0)
98725 #define STATS_DEC_ACTIVE(x) do { } while (0)
98726 @@ -334,6 +336,8 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent)
98727 #define STATS_INC_ALLOCMISS(x) do { } while (0)
98728 #define STATS_INC_FREEHIT(x) do { } while (0)
98729 #define STATS_INC_FREEMISS(x) do { } while (0)
98730 +#define STATS_INC_SANITIZED(x) do { } while (0)
98731 +#define STATS_INC_NOT_SANITIZED(x) do { } while (0)
98732 #endif
98733
98734 #if DEBUG
98735 @@ -450,7 +454,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct page *page,
98736 * reciprocal_divide(offset, cache->reciprocal_buffer_size)
98737 */
98738 static inline unsigned int obj_to_index(const struct kmem_cache *cache,
98739 - const struct page *page, void *obj)
98740 + const struct page *page, const void *obj)
98741 {
98742 u32 offset = (obj - page->s_mem);
98743 return reciprocal_divide(offset, cache->reciprocal_buffer_size);
98744 @@ -1438,7 +1442,7 @@ void __init kmem_cache_init(void)
98745 * structures first. Without this, further allocations will bug.
98746 */
98747 kmalloc_caches[INDEX_NODE] = create_kmalloc_cache("kmalloc-node",
98748 - kmalloc_size(INDEX_NODE), ARCH_KMALLOC_FLAGS);
98749 + kmalloc_size(INDEX_NODE), SLAB_USERCOPY | ARCH_KMALLOC_FLAGS);
98750 slab_state = PARTIAL_NODE;
98751
98752 slab_early_init = 0;
98753 @@ -2059,7 +2063,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align,
98754
98755 cachep = find_mergeable(size, align, flags, name, ctor);
98756 if (cachep) {
98757 - cachep->refcount++;
98758 + atomic_inc(&cachep->refcount);
98759
98760 /*
98761 * Adjust the object sizes so that we clear
98762 @@ -3352,6 +3356,20 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp,
98763 struct array_cache *ac = cpu_cache_get(cachep);
98764
98765 check_irq_off();
98766 +
98767 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98768 + if (cachep->flags & (SLAB_POISON | SLAB_NO_SANITIZE))
98769 + STATS_INC_NOT_SANITIZED(cachep);
98770 + else {
98771 + memset(objp, PAX_MEMORY_SANITIZE_VALUE, cachep->object_size);
98772 +
98773 + if (cachep->ctor)
98774 + cachep->ctor(objp);
98775 +
98776 + STATS_INC_SANITIZED(cachep);
98777 + }
98778 +#endif
98779 +
98780 kmemleak_free_recursive(objp, cachep->flags);
98781 objp = cache_free_debugcheck(cachep, objp, caller);
98782
98783 @@ -3557,6 +3575,7 @@ void kfree(const void *objp)
98784
98785 if (unlikely(ZERO_OR_NULL_PTR(objp)))
98786 return;
98787 + VM_BUG_ON(!virt_addr_valid(objp));
98788 local_irq_save(flags);
98789 kfree_debugcheck(objp);
98790 c = virt_to_cache(objp);
98791 @@ -3979,14 +3998,22 @@ void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep)
98792 }
98793 /* cpu stats */
98794 {
98795 - unsigned long allochit = atomic_read(&cachep->allochit);
98796 - unsigned long allocmiss = atomic_read(&cachep->allocmiss);
98797 - unsigned long freehit = atomic_read(&cachep->freehit);
98798 - unsigned long freemiss = atomic_read(&cachep->freemiss);
98799 + unsigned long allochit = atomic_read_unchecked(&cachep->allochit);
98800 + unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss);
98801 + unsigned long freehit = atomic_read_unchecked(&cachep->freehit);
98802 + unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss);
98803
98804 seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu",
98805 allochit, allocmiss, freehit, freemiss);
98806 }
98807 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98808 + {
98809 + unsigned long sanitized = atomic_read_unchecked(&cachep->sanitized);
98810 + unsigned long not_sanitized = atomic_read_unchecked(&cachep->not_sanitized);
98811 +
98812 + seq_printf(m, " : pax %6lu %6lu", sanitized, not_sanitized);
98813 + }
98814 +#endif
98815 #endif
98816 }
98817
98818 @@ -4200,13 +4227,69 @@ static const struct file_operations proc_slabstats_operations = {
98819 static int __init slab_proc_init(void)
98820 {
98821 #ifdef CONFIG_DEBUG_SLAB_LEAK
98822 - proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
98823 + proc_create("slab_allocators", S_IRUSR, NULL, &proc_slabstats_operations);
98824 #endif
98825 return 0;
98826 }
98827 module_init(slab_proc_init);
98828 #endif
98829
98830 +bool is_usercopy_object(const void *ptr)
98831 +{
98832 + struct page *page;
98833 + struct kmem_cache *cachep;
98834 +
98835 + if (ZERO_OR_NULL_PTR(ptr))
98836 + return false;
98837 +
98838 + if (!slab_is_available())
98839 + return false;
98840 +
98841 + if (!virt_addr_valid(ptr))
98842 + return false;
98843 +
98844 + page = virt_to_head_page(ptr);
98845 +
98846 + if (!PageSlab(page))
98847 + return false;
98848 +
98849 + cachep = page->slab_cache;
98850 + return cachep->flags & SLAB_USERCOPY;
98851 +}
98852 +
98853 +#ifdef CONFIG_PAX_USERCOPY
98854 +const char *check_heap_object(const void *ptr, unsigned long n)
98855 +{
98856 + struct page *page;
98857 + struct kmem_cache *cachep;
98858 + unsigned int objnr;
98859 + unsigned long offset;
98860 +
98861 + if (ZERO_OR_NULL_PTR(ptr))
98862 + return "<null>";
98863 +
98864 + if (!virt_addr_valid(ptr))
98865 + return NULL;
98866 +
98867 + page = virt_to_head_page(ptr);
98868 +
98869 + if (!PageSlab(page))
98870 + return NULL;
98871 +
98872 + cachep = page->slab_cache;
98873 + if (!(cachep->flags & SLAB_USERCOPY))
98874 + return cachep->name;
98875 +
98876 + objnr = obj_to_index(cachep, page, ptr);
98877 + BUG_ON(objnr >= cachep->num);
98878 + offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep);
98879 + if (offset <= cachep->object_size && n <= cachep->object_size - offset)
98880 + return NULL;
98881 +
98882 + return cachep->name;
98883 +}
98884 +#endif
98885 +
98886 /**
98887 * ksize - get the actual amount of memory allocated for a given object
98888 * @objp: Pointer to the object
98889 diff --git a/mm/slab.h b/mm/slab.h
98890 index ab019e6..fbcac34 100644
98891 --- a/mm/slab.h
98892 +++ b/mm/slab.h
98893 @@ -22,7 +22,7 @@ struct kmem_cache {
98894 unsigned int align; /* Alignment as calculated */
98895 unsigned long flags; /* Active flags on the slab */
98896 const char *name; /* Slab name for sysfs */
98897 - int refcount; /* Use counter */
98898 + atomic_t refcount; /* Use counter */
98899 void (*ctor)(void *); /* Called on object slot creation */
98900 struct list_head list; /* List of all slab caches on the system */
98901 };
98902 @@ -66,6 +66,20 @@ extern struct list_head slab_caches;
98903 /* The slab cache that manages slab cache information */
98904 extern struct kmem_cache *kmem_cache;
98905
98906 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98907 +#ifdef CONFIG_X86_64
98908 +#define PAX_MEMORY_SANITIZE_VALUE '\xfe'
98909 +#else
98910 +#define PAX_MEMORY_SANITIZE_VALUE '\xff'
98911 +#endif
98912 +enum pax_sanitize_mode {
98913 + PAX_SANITIZE_SLAB_OFF = 0,
98914 + PAX_SANITIZE_SLAB_FAST,
98915 + PAX_SANITIZE_SLAB_FULL,
98916 +};
98917 +extern enum pax_sanitize_mode pax_sanitize_slab;
98918 +#endif
98919 +
98920 unsigned long calculate_alignment(unsigned long flags,
98921 unsigned long align, unsigned long size);
98922
98923 @@ -116,7 +130,8 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size,
98924
98925 /* Legal flag mask for kmem_cache_create(), for various configurations */
98926 #define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \
98927 - SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS )
98928 + SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS | \
98929 + SLAB_USERCOPY | SLAB_NO_SANITIZE)
98930
98931 #if defined(CONFIG_DEBUG_SLAB)
98932 #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER)
98933 @@ -300,6 +315,9 @@ static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x)
98934 return s;
98935
98936 page = virt_to_head_page(x);
98937 +
98938 + BUG_ON(!PageSlab(page));
98939 +
98940 cachep = page->slab_cache;
98941 if (slab_equal_or_root(cachep, s))
98942 return cachep;
98943 diff --git a/mm/slab_common.c b/mm/slab_common.c
98944 index dcdab81..3576646 100644
98945 --- a/mm/slab_common.c
98946 +++ b/mm/slab_common.c
98947 @@ -25,11 +25,35 @@
98948
98949 #include "slab.h"
98950
98951 -enum slab_state slab_state;
98952 +enum slab_state slab_state __read_only;
98953 LIST_HEAD(slab_caches);
98954 DEFINE_MUTEX(slab_mutex);
98955 struct kmem_cache *kmem_cache;
98956
98957 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
98958 +enum pax_sanitize_mode pax_sanitize_slab __read_only = PAX_SANITIZE_SLAB_FAST;
98959 +static int __init pax_sanitize_slab_setup(char *str)
98960 +{
98961 + if (!str)
98962 + return 0;
98963 +
98964 + if (!strcmp(str, "0") || !strcmp(str, "off")) {
98965 + pr_info("PaX slab sanitization: %s\n", "disabled");
98966 + pax_sanitize_slab = PAX_SANITIZE_SLAB_OFF;
98967 + } else if (!strcmp(str, "1") || !strcmp(str, "fast")) {
98968 + pr_info("PaX slab sanitization: %s\n", "fast");
98969 + pax_sanitize_slab = PAX_SANITIZE_SLAB_FAST;
98970 + } else if (!strcmp(str, "full")) {
98971 + pr_info("PaX slab sanitization: %s\n", "full");
98972 + pax_sanitize_slab = PAX_SANITIZE_SLAB_FULL;
98973 + } else
98974 + pr_err("PaX slab sanitization: unsupported option '%s'\n", str);
98975 +
98976 + return 0;
98977 +}
98978 +early_param("pax_sanitize_slab", pax_sanitize_slab_setup);
98979 +#endif
98980 +
98981 /*
98982 * Set of flags that will prevent slab merging
98983 */
98984 @@ -44,7 +68,7 @@ struct kmem_cache *kmem_cache;
98985 * Merge control. If this is set then no merging of slab caches will occur.
98986 * (Could be removed. This was introduced to pacify the merge skeptics.)
98987 */
98988 -static int slab_nomerge;
98989 +static int slab_nomerge = 1;
98990
98991 static int __init setup_slab_nomerge(char *str)
98992 {
98993 @@ -218,7 +242,7 @@ int slab_unmergeable(struct kmem_cache *s)
98994 /*
98995 * We may have set a slab to be unmergeable during bootstrap.
98996 */
98997 - if (s->refcount < 0)
98998 + if (atomic_read(&s->refcount) < 0)
98999 return 1;
99000
99001 return 0;
99002 @@ -322,7 +346,7 @@ do_kmem_cache_create(char *name, size_t object_size, size_t size, size_t align,
99003 if (err)
99004 goto out_free_cache;
99005
99006 - s->refcount = 1;
99007 + atomic_set(&s->refcount, 1);
99008 list_add(&s->list, &slab_caches);
99009 out:
99010 if (err)
99011 @@ -386,6 +410,13 @@ kmem_cache_create(const char *name, size_t size, size_t align,
99012 */
99013 flags &= CACHE_CREATE_MASK;
99014
99015 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99016 + if (pax_sanitize_slab == PAX_SANITIZE_SLAB_OFF || (flags & SLAB_DESTROY_BY_RCU))
99017 + flags |= SLAB_NO_SANITIZE;
99018 + else if (pax_sanitize_slab == PAX_SANITIZE_SLAB_FULL)
99019 + flags &= ~SLAB_NO_SANITIZE;
99020 +#endif
99021 +
99022 s = __kmem_cache_alias(name, size, align, flags, ctor);
99023 if (s)
99024 goto out_unlock;
99025 @@ -505,8 +536,7 @@ void kmem_cache_destroy(struct kmem_cache *s)
99026
99027 mutex_lock(&slab_mutex);
99028
99029 - s->refcount--;
99030 - if (s->refcount)
99031 + if (!atomic_dec_and_test(&s->refcount))
99032 goto out_unlock;
99033
99034 if (memcg_cleanup_cache_params(s) != 0)
99035 @@ -526,7 +556,7 @@ void kmem_cache_destroy(struct kmem_cache *s)
99036 rcu_barrier();
99037
99038 memcg_free_cache_params(s);
99039 -#ifdef SLAB_SUPPORTS_SYSFS
99040 +#if defined(SLAB_SUPPORTS_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99041 sysfs_slab_remove(s);
99042 #else
99043 slab_kmem_cache_release(s);
99044 @@ -582,7 +612,7 @@ void __init create_boot_cache(struct kmem_cache *s, const char *name, size_t siz
99045 panic("Creation of kmalloc slab %s size=%zu failed. Reason %d\n",
99046 name, size, err);
99047
99048 - s->refcount = -1; /* Exempt from merging for now */
99049 + atomic_set(&s->refcount, -1); /* Exempt from merging for now */
99050 }
99051
99052 struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size,
99053 @@ -595,7 +625,7 @@ struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size,
99054
99055 create_boot_cache(s, name, size, flags);
99056 list_add(&s->list, &slab_caches);
99057 - s->refcount = 1;
99058 + atomic_set(&s->refcount, 1);
99059 return s;
99060 }
99061
99062 @@ -607,6 +637,11 @@ struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
99063 EXPORT_SYMBOL(kmalloc_dma_caches);
99064 #endif
99065
99066 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99067 +struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1];
99068 +EXPORT_SYMBOL(kmalloc_usercopy_caches);
99069 +#endif
99070 +
99071 /*
99072 * Conversion table for small slabs sizes / 8 to the index in the
99073 * kmalloc array. This is necessary for slabs < 192 since we have non power
99074 @@ -671,6 +706,13 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
99075 return kmalloc_dma_caches[index];
99076
99077 #endif
99078 +
99079 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99080 + if (unlikely((flags & GFP_USERCOPY)))
99081 + return kmalloc_usercopy_caches[index];
99082 +
99083 +#endif
99084 +
99085 return kmalloc_caches[index];
99086 }
99087
99088 @@ -727,7 +769,7 @@ void __init create_kmalloc_caches(unsigned long flags)
99089 for (i = KMALLOC_SHIFT_LOW; i <= KMALLOC_SHIFT_HIGH; i++) {
99090 if (!kmalloc_caches[i]) {
99091 kmalloc_caches[i] = create_kmalloc_cache(NULL,
99092 - 1 << i, flags);
99093 + 1 << i, SLAB_USERCOPY | flags);
99094 }
99095
99096 /*
99097 @@ -736,10 +778,10 @@ void __init create_kmalloc_caches(unsigned long flags)
99098 * earlier power of two caches
99099 */
99100 if (KMALLOC_MIN_SIZE <= 32 && !kmalloc_caches[1] && i == 6)
99101 - kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, flags);
99102 + kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, SLAB_USERCOPY | flags);
99103
99104 if (KMALLOC_MIN_SIZE <= 64 && !kmalloc_caches[2] && i == 7)
99105 - kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, flags);
99106 + kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, SLAB_USERCOPY | flags);
99107 }
99108
99109 /* Kmalloc array is now usable */
99110 @@ -772,6 +814,23 @@ void __init create_kmalloc_caches(unsigned long flags)
99111 }
99112 }
99113 #endif
99114 +
99115 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99116 + for (i = 0; i <= KMALLOC_SHIFT_HIGH; i++) {
99117 + struct kmem_cache *s = kmalloc_caches[i];
99118 +
99119 + if (s) {
99120 + int size = kmalloc_size(i);
99121 + char *n = kasprintf(GFP_NOWAIT,
99122 + "usercopy-kmalloc-%d", size);
99123 +
99124 + BUG_ON(!n);
99125 + kmalloc_usercopy_caches[i] = create_kmalloc_cache(n,
99126 + size, SLAB_USERCOPY | flags);
99127 + }
99128 + }
99129 +#endif
99130 +
99131 }
99132 #endif /* !CONFIG_SLOB */
99133
99134 @@ -830,6 +889,9 @@ void print_slabinfo_header(struct seq_file *m)
99135 seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> "
99136 "<error> <maxfreeable> <nodeallocs> <remotefrees> <alienoverflow>");
99137 seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>");
99138 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99139 + seq_puts(m, " : pax <sanitized> <not_sanitized>");
99140 +#endif
99141 #endif
99142 seq_putc(m, '\n');
99143 }
99144 diff --git a/mm/slob.c b/mm/slob.c
99145 index 96a8620..3e7e663 100644
99146 --- a/mm/slob.c
99147 +++ b/mm/slob.c
99148 @@ -157,7 +157,7 @@ static void set_slob(slob_t *s, slobidx_t size, slob_t *next)
99149 /*
99150 * Return the size of a slob block.
99151 */
99152 -static slobidx_t slob_units(slob_t *s)
99153 +static slobidx_t slob_units(const slob_t *s)
99154 {
99155 if (s->units > 0)
99156 return s->units;
99157 @@ -167,7 +167,7 @@ static slobidx_t slob_units(slob_t *s)
99158 /*
99159 * Return the next free slob block pointer after this one.
99160 */
99161 -static slob_t *slob_next(slob_t *s)
99162 +static slob_t *slob_next(const slob_t *s)
99163 {
99164 slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK);
99165 slobidx_t next;
99166 @@ -182,14 +182,14 @@ static slob_t *slob_next(slob_t *s)
99167 /*
99168 * Returns true if s is the last free block in its page.
99169 */
99170 -static int slob_last(slob_t *s)
99171 +static int slob_last(const slob_t *s)
99172 {
99173 return !((unsigned long)slob_next(s) & ~PAGE_MASK);
99174 }
99175
99176 -static void *slob_new_pages(gfp_t gfp, int order, int node)
99177 +static struct page *slob_new_pages(gfp_t gfp, unsigned int order, int node)
99178 {
99179 - void *page;
99180 + struct page *page;
99181
99182 #ifdef CONFIG_NUMA
99183 if (node != NUMA_NO_NODE)
99184 @@ -201,14 +201,18 @@ static void *slob_new_pages(gfp_t gfp, int order, int node)
99185 if (!page)
99186 return NULL;
99187
99188 - return page_address(page);
99189 + __SetPageSlab(page);
99190 + return page;
99191 }
99192
99193 -static void slob_free_pages(void *b, int order)
99194 +static void slob_free_pages(struct page *sp, int order)
99195 {
99196 if (current->reclaim_state)
99197 current->reclaim_state->reclaimed_slab += 1 << order;
99198 - free_pages((unsigned long)b, order);
99199 + __ClearPageSlab(sp);
99200 + page_mapcount_reset(sp);
99201 + sp->private = 0;
99202 + __free_pages(sp, order);
99203 }
99204
99205 /*
99206 @@ -313,15 +317,15 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
99207
99208 /* Not enough space: must allocate a new page */
99209 if (!b) {
99210 - b = slob_new_pages(gfp & ~__GFP_ZERO, 0, node);
99211 - if (!b)
99212 + sp = slob_new_pages(gfp & ~__GFP_ZERO, 0, node);
99213 + if (!sp)
99214 return NULL;
99215 - sp = virt_to_page(b);
99216 - __SetPageSlab(sp);
99217 + b = page_address(sp);
99218
99219 spin_lock_irqsave(&slob_lock, flags);
99220 sp->units = SLOB_UNITS(PAGE_SIZE);
99221 sp->freelist = b;
99222 + sp->private = 0;
99223 INIT_LIST_HEAD(&sp->lru);
99224 set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE));
99225 set_slob_page_free(sp, slob_list);
99226 @@ -337,7 +341,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
99227 /*
99228 * slob_free: entry point into the slob allocator.
99229 */
99230 -static void slob_free(void *block, int size)
99231 +static void slob_free(struct kmem_cache *c, void *block, int size)
99232 {
99233 struct page *sp;
99234 slob_t *prev, *next, *b = (slob_t *)block;
99235 @@ -359,12 +363,15 @@ static void slob_free(void *block, int size)
99236 if (slob_page_free(sp))
99237 clear_slob_page_free(sp);
99238 spin_unlock_irqrestore(&slob_lock, flags);
99239 - __ClearPageSlab(sp);
99240 - page_mapcount_reset(sp);
99241 - slob_free_pages(b, 0);
99242 + slob_free_pages(sp, 0);
99243 return;
99244 }
99245
99246 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99247 + if (pax_sanitize_slab && !(c && (c->flags & SLAB_NO_SANITIZE)))
99248 + memset(block, PAX_MEMORY_SANITIZE_VALUE, size);
99249 +#endif
99250 +
99251 if (!slob_page_free(sp)) {
99252 /* This slob page is about to become partially free. Easy! */
99253 sp->units = units;
99254 @@ -424,11 +431,10 @@ out:
99255 */
99256
99257 static __always_inline void *
99258 -__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
99259 +__do_kmalloc_node_align(size_t size, gfp_t gfp, int node, unsigned long caller, int align)
99260 {
99261 - unsigned int *m;
99262 - int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
99263 - void *ret;
99264 + slob_t *m;
99265 + void *ret = NULL;
99266
99267 gfp &= gfp_allowed_mask;
99268
99269 @@ -442,23 +448,41 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
99270
99271 if (!m)
99272 return NULL;
99273 - *m = size;
99274 + BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT);
99275 + BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT);
99276 + m[0].units = size;
99277 + m[1].units = align;
99278 ret = (void *)m + align;
99279
99280 trace_kmalloc_node(caller, ret,
99281 size, size + align, gfp, node);
99282 } else {
99283 unsigned int order = get_order(size);
99284 + struct page *page;
99285
99286 if (likely(order))
99287 gfp |= __GFP_COMP;
99288 - ret = slob_new_pages(gfp, order, node);
99289 + page = slob_new_pages(gfp, order, node);
99290 + if (page) {
99291 + ret = page_address(page);
99292 + page->private = size;
99293 + }
99294
99295 trace_kmalloc_node(caller, ret,
99296 size, PAGE_SIZE << order, gfp, node);
99297 }
99298
99299 - kmemleak_alloc(ret, size, 1, gfp);
99300 + return ret;
99301 +}
99302 +
99303 +static __always_inline void *
99304 +__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
99305 +{
99306 + int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
99307 + void *ret = __do_kmalloc_node_align(size, gfp, node, caller, align);
99308 +
99309 + if (!ZERO_OR_NULL_PTR(ret))
99310 + kmemleak_alloc(ret, size, 1, gfp);
99311 return ret;
99312 }
99313
99314 @@ -491,34 +515,112 @@ void kfree(const void *block)
99315 return;
99316 kmemleak_free(block);
99317
99318 + VM_BUG_ON(!virt_addr_valid(block));
99319 sp = virt_to_page(block);
99320 - if (PageSlab(sp)) {
99321 + VM_BUG_ON(!PageSlab(sp));
99322 + if (!sp->private) {
99323 int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
99324 - unsigned int *m = (unsigned int *)(block - align);
99325 - slob_free(m, *m + align);
99326 - } else
99327 + slob_t *m = (slob_t *)(block - align);
99328 + slob_free(NULL, m, m[0].units + align);
99329 + } else {
99330 + __ClearPageSlab(sp);
99331 + page_mapcount_reset(sp);
99332 + sp->private = 0;
99333 __free_pages(sp, compound_order(sp));
99334 + }
99335 }
99336 EXPORT_SYMBOL(kfree);
99337
99338 +bool is_usercopy_object(const void *ptr)
99339 +{
99340 + if (!slab_is_available())
99341 + return false;
99342 +
99343 + // PAX: TODO
99344 +
99345 + return false;
99346 +}
99347 +
99348 +#ifdef CONFIG_PAX_USERCOPY
99349 +const char *check_heap_object(const void *ptr, unsigned long n)
99350 +{
99351 + struct page *page;
99352 + const slob_t *free;
99353 + const void *base;
99354 + unsigned long flags;
99355 +
99356 + if (ZERO_OR_NULL_PTR(ptr))
99357 + return "<null>";
99358 +
99359 + if (!virt_addr_valid(ptr))
99360 + return NULL;
99361 +
99362 + page = virt_to_head_page(ptr);
99363 + if (!PageSlab(page))
99364 + return NULL;
99365 +
99366 + if (page->private) {
99367 + base = page;
99368 + if (base <= ptr && n <= page->private - (ptr - base))
99369 + return NULL;
99370 + return "<slob>";
99371 + }
99372 +
99373 + /* some tricky double walking to find the chunk */
99374 + spin_lock_irqsave(&slob_lock, flags);
99375 + base = (void *)((unsigned long)ptr & PAGE_MASK);
99376 + free = page->freelist;
99377 +
99378 + while (!slob_last(free) && (void *)free <= ptr) {
99379 + base = free + slob_units(free);
99380 + free = slob_next(free);
99381 + }
99382 +
99383 + while (base < (void *)free) {
99384 + slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units;
99385 + int size = SLOB_UNIT * SLOB_UNITS(m + align);
99386 + int offset;
99387 +
99388 + if (ptr < base + align)
99389 + break;
99390 +
99391 + offset = ptr - base - align;
99392 + if (offset >= m) {
99393 + base += size;
99394 + continue;
99395 + }
99396 +
99397 + if (n > m - offset)
99398 + break;
99399 +
99400 + spin_unlock_irqrestore(&slob_lock, flags);
99401 + return NULL;
99402 + }
99403 +
99404 + spin_unlock_irqrestore(&slob_lock, flags);
99405 + return "<slob>";
99406 +}
99407 +#endif
99408 +
99409 /* can't use ksize for kmem_cache_alloc memory, only kmalloc */
99410 size_t ksize(const void *block)
99411 {
99412 struct page *sp;
99413 int align;
99414 - unsigned int *m;
99415 + slob_t *m;
99416
99417 BUG_ON(!block);
99418 if (unlikely(block == ZERO_SIZE_PTR))
99419 return 0;
99420
99421 sp = virt_to_page(block);
99422 - if (unlikely(!PageSlab(sp)))
99423 - return PAGE_SIZE << compound_order(sp);
99424 + VM_BUG_ON(!PageSlab(sp));
99425 + if (sp->private)
99426 + return sp->private;
99427
99428 align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
99429 - m = (unsigned int *)(block - align);
99430 - return SLOB_UNITS(*m) * SLOB_UNIT;
99431 + m = (slob_t *)(block - align);
99432 + return SLOB_UNITS(m[0].units) * SLOB_UNIT;
99433 }
99434 EXPORT_SYMBOL(ksize);
99435
99436 @@ -534,23 +636,33 @@ int __kmem_cache_create(struct kmem_cache *c, unsigned long flags)
99437
99438 void *slob_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
99439 {
99440 - void *b;
99441 + void *b = NULL;
99442
99443 flags &= gfp_allowed_mask;
99444
99445 lockdep_trace_alloc(flags);
99446
99447 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99448 + b = __do_kmalloc_node_align(c->size, flags, node, _RET_IP_, c->align);
99449 +#else
99450 if (c->size < PAGE_SIZE) {
99451 b = slob_alloc(c->size, flags, c->align, node);
99452 trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size,
99453 SLOB_UNITS(c->size) * SLOB_UNIT,
99454 flags, node);
99455 } else {
99456 - b = slob_new_pages(flags, get_order(c->size), node);
99457 + struct page *sp;
99458 +
99459 + sp = slob_new_pages(flags, get_order(c->size), node);
99460 + if (sp) {
99461 + b = page_address(sp);
99462 + sp->private = c->size;
99463 + }
99464 trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size,
99465 PAGE_SIZE << get_order(c->size),
99466 flags, node);
99467 }
99468 +#endif
99469
99470 if (b && c->ctor)
99471 c->ctor(b);
99472 @@ -580,12 +692,16 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t gfp, int node)
99473 EXPORT_SYMBOL(kmem_cache_alloc_node);
99474 #endif
99475
99476 -static void __kmem_cache_free(void *b, int size)
99477 +static void __kmem_cache_free(struct kmem_cache *c, void *b, int size)
99478 {
99479 - if (size < PAGE_SIZE)
99480 - slob_free(b, size);
99481 + struct page *sp;
99482 +
99483 + sp = virt_to_page(b);
99484 + BUG_ON(!PageSlab(sp));
99485 + if (!sp->private)
99486 + slob_free(c, b, size);
99487 else
99488 - slob_free_pages(b, get_order(size));
99489 + slob_free_pages(sp, get_order(size));
99490 }
99491
99492 static void kmem_rcu_free(struct rcu_head *head)
99493 @@ -593,22 +709,36 @@ static void kmem_rcu_free(struct rcu_head *head)
99494 struct slob_rcu *slob_rcu = (struct slob_rcu *)head;
99495 void *b = (void *)slob_rcu - (slob_rcu->size - sizeof(struct slob_rcu));
99496
99497 - __kmem_cache_free(b, slob_rcu->size);
99498 + __kmem_cache_free(NULL, b, slob_rcu->size);
99499 }
99500
99501 void kmem_cache_free(struct kmem_cache *c, void *b)
99502 {
99503 + int size = c->size;
99504 +
99505 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99506 + if (size + c->align < PAGE_SIZE) {
99507 + size += c->align;
99508 + b -= c->align;
99509 + }
99510 +#endif
99511 +
99512 kmemleak_free_recursive(b, c->flags);
99513 if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) {
99514 struct slob_rcu *slob_rcu;
99515 - slob_rcu = b + (c->size - sizeof(struct slob_rcu));
99516 - slob_rcu->size = c->size;
99517 + slob_rcu = b + (size - sizeof(struct slob_rcu));
99518 + slob_rcu->size = size;
99519 call_rcu(&slob_rcu->head, kmem_rcu_free);
99520 } else {
99521 - __kmem_cache_free(b, c->size);
99522 + __kmem_cache_free(c, b, size);
99523 }
99524
99525 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99526 + trace_kfree(_RET_IP_, b);
99527 +#else
99528 trace_kmem_cache_free(_RET_IP_, b);
99529 +#endif
99530 +
99531 }
99532 EXPORT_SYMBOL(kmem_cache_free);
99533
99534 diff --git a/mm/slub.c b/mm/slub.c
99535 index ae7b9f1..7b3fdbe 100644
99536 --- a/mm/slub.c
99537 +++ b/mm/slub.c
99538 @@ -197,7 +197,7 @@ struct track {
99539
99540 enum track_item { TRACK_ALLOC, TRACK_FREE };
99541
99542 -#ifdef CONFIG_SYSFS
99543 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99544 static int sysfs_slab_add(struct kmem_cache *);
99545 static int sysfs_slab_alias(struct kmem_cache *, const char *);
99546 static void memcg_propagate_slab_attrs(struct kmem_cache *s);
99547 @@ -535,7 +535,7 @@ static void print_track(const char *s, struct track *t)
99548 if (!t->addr)
99549 return;
99550
99551 - pr_err("INFO: %s in %pS age=%lu cpu=%u pid=%d\n",
99552 + pr_err("INFO: %s in %pA age=%lu cpu=%u pid=%d\n",
99553 s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid);
99554 #ifdef CONFIG_STACKTRACE
99555 {
99556 @@ -2645,6 +2645,14 @@ static __always_inline void slab_free(struct kmem_cache *s,
99557
99558 slab_free_hook(s, x);
99559
99560 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99561 + if (!(s->flags & SLAB_NO_SANITIZE)) {
99562 + memset(x, PAX_MEMORY_SANITIZE_VALUE, s->object_size);
99563 + if (s->ctor)
99564 + s->ctor(x);
99565 + }
99566 +#endif
99567 +
99568 redo:
99569 /*
99570 * Determine the currently cpus per cpu slab.
99571 @@ -2982,6 +2990,9 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
99572 s->inuse = size;
99573
99574 if (((flags & (SLAB_DESTROY_BY_RCU | SLAB_POISON)) ||
99575 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99576 + (!(flags & SLAB_NO_SANITIZE)) ||
99577 +#endif
99578 s->ctor)) {
99579 /*
99580 * Relocate free pointer after the object if it is not
99581 @@ -3301,6 +3312,59 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
99582 EXPORT_SYMBOL(__kmalloc_node);
99583 #endif
99584
99585 +bool is_usercopy_object(const void *ptr)
99586 +{
99587 + struct page *page;
99588 + struct kmem_cache *s;
99589 +
99590 + if (ZERO_OR_NULL_PTR(ptr))
99591 + return false;
99592 +
99593 + if (!slab_is_available())
99594 + return false;
99595 +
99596 + if (!virt_addr_valid(ptr))
99597 + return false;
99598 +
99599 + page = virt_to_head_page(ptr);
99600 +
99601 + if (!PageSlab(page))
99602 + return false;
99603 +
99604 + s = page->slab_cache;
99605 + return s->flags & SLAB_USERCOPY;
99606 +}
99607 +
99608 +#ifdef CONFIG_PAX_USERCOPY
99609 +const char *check_heap_object(const void *ptr, unsigned long n)
99610 +{
99611 + struct page *page;
99612 + struct kmem_cache *s;
99613 + unsigned long offset;
99614 +
99615 + if (ZERO_OR_NULL_PTR(ptr))
99616 + return "<null>";
99617 +
99618 + if (!virt_addr_valid(ptr))
99619 + return NULL;
99620 +
99621 + page = virt_to_head_page(ptr);
99622 +
99623 + if (!PageSlab(page))
99624 + return NULL;
99625 +
99626 + s = page->slab_cache;
99627 + if (!(s->flags & SLAB_USERCOPY))
99628 + return s->name;
99629 +
99630 + offset = (ptr - page_address(page)) % s->size;
99631 + if (offset <= s->object_size && n <= s->object_size - offset)
99632 + return NULL;
99633 +
99634 + return s->name;
99635 +}
99636 +#endif
99637 +
99638 size_t ksize(const void *object)
99639 {
99640 struct page *page;
99641 @@ -3329,6 +3393,7 @@ void kfree(const void *x)
99642 if (unlikely(ZERO_OR_NULL_PTR(x)))
99643 return;
99644
99645 + VM_BUG_ON(!virt_addr_valid(x));
99646 page = virt_to_head_page(x);
99647 if (unlikely(!PageSlab(page))) {
99648 BUG_ON(!PageCompound(page));
99649 @@ -3624,7 +3689,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align,
99650 int i;
99651 struct kmem_cache *c;
99652
99653 - s->refcount++;
99654 + atomic_inc(&s->refcount);
99655
99656 /*
99657 * Adjust the object sizes so that we clear
99658 @@ -3643,7 +3708,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align,
99659 }
99660
99661 if (sysfs_slab_alias(s, name)) {
99662 - s->refcount--;
99663 + atomic_dec(&s->refcount);
99664 s = NULL;
99665 }
99666 }
99667 @@ -3760,7 +3825,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
99668 }
99669 #endif
99670
99671 -#ifdef CONFIG_SYSFS
99672 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99673 static int count_inuse(struct page *page)
99674 {
99675 return page->inuse;
99676 @@ -4041,7 +4106,11 @@ static int list_locations(struct kmem_cache *s, char *buf,
99677 len += sprintf(buf + len, "%7ld ", l->count);
99678
99679 if (l->addr)
99680 +#ifdef CONFIG_GRKERNSEC_HIDESYM
99681 + len += sprintf(buf + len, "%pS", NULL);
99682 +#else
99683 len += sprintf(buf + len, "%pS", (void *)l->addr);
99684 +#endif
99685 else
99686 len += sprintf(buf + len, "<not-available>");
99687
99688 @@ -4143,12 +4212,12 @@ static void __init resiliency_test(void)
99689 validate_slab_cache(kmalloc_caches[9]);
99690 }
99691 #else
99692 -#ifdef CONFIG_SYSFS
99693 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99694 static void resiliency_test(void) {};
99695 #endif
99696 #endif
99697
99698 -#ifdef CONFIG_SYSFS
99699 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99700 enum slab_stat_type {
99701 SL_ALL, /* All slabs */
99702 SL_PARTIAL, /* Only partially allocated slabs */
99703 @@ -4385,13 +4454,17 @@ static ssize_t ctor_show(struct kmem_cache *s, char *buf)
99704 {
99705 if (!s->ctor)
99706 return 0;
99707 +#ifdef CONFIG_GRKERNSEC_HIDESYM
99708 + return sprintf(buf, "%pS\n", NULL);
99709 +#else
99710 return sprintf(buf, "%pS\n", s->ctor);
99711 +#endif
99712 }
99713 SLAB_ATTR_RO(ctor);
99714
99715 static ssize_t aliases_show(struct kmem_cache *s, char *buf)
99716 {
99717 - return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1);
99718 + return sprintf(buf, "%d\n", atomic_read(&s->refcount) < 0 ? 0 : atomic_read(&s->refcount) - 1);
99719 }
99720 SLAB_ATTR_RO(aliases);
99721
99722 @@ -4479,6 +4552,22 @@ static ssize_t cache_dma_show(struct kmem_cache *s, char *buf)
99723 SLAB_ATTR_RO(cache_dma);
99724 #endif
99725
99726 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99727 +static ssize_t usercopy_show(struct kmem_cache *s, char *buf)
99728 +{
99729 + return sprintf(buf, "%d\n", !!(s->flags & SLAB_USERCOPY));
99730 +}
99731 +SLAB_ATTR_RO(usercopy);
99732 +#endif
99733 +
99734 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99735 +static ssize_t sanitize_show(struct kmem_cache *s, char *buf)
99736 +{
99737 + return sprintf(buf, "%d\n", !(s->flags & SLAB_NO_SANITIZE));
99738 +}
99739 +SLAB_ATTR_RO(sanitize);
99740 +#endif
99741 +
99742 static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf)
99743 {
99744 return sprintf(buf, "%d\n", !!(s->flags & SLAB_DESTROY_BY_RCU));
99745 @@ -4534,7 +4623,7 @@ static ssize_t trace_store(struct kmem_cache *s, const char *buf,
99746 * as well as cause other issues like converting a mergeable
99747 * cache into an umergeable one.
99748 */
99749 - if (s->refcount > 1)
99750 + if (atomic_read(&s->refcount) > 1)
99751 return -EINVAL;
99752
99753 s->flags &= ~SLAB_TRACE;
99754 @@ -4654,7 +4743,7 @@ static ssize_t failslab_show(struct kmem_cache *s, char *buf)
99755 static ssize_t failslab_store(struct kmem_cache *s, const char *buf,
99756 size_t length)
99757 {
99758 - if (s->refcount > 1)
99759 + if (atomic_read(&s->refcount) > 1)
99760 return -EINVAL;
99761
99762 s->flags &= ~SLAB_FAILSLAB;
99763 @@ -4824,6 +4913,12 @@ static struct attribute *slab_attrs[] = {
99764 #ifdef CONFIG_ZONE_DMA
99765 &cache_dma_attr.attr,
99766 #endif
99767 +#ifdef CONFIG_PAX_USERCOPY_SLABS
99768 + &usercopy_attr.attr,
99769 +#endif
99770 +#ifdef CONFIG_PAX_MEMORY_SANITIZE
99771 + &sanitize_attr.attr,
99772 +#endif
99773 #ifdef CONFIG_NUMA
99774 &remote_node_defrag_ratio_attr.attr,
99775 #endif
99776 @@ -5068,6 +5163,7 @@ static char *create_unique_id(struct kmem_cache *s)
99777 return name;
99778 }
99779
99780 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99781 static int sysfs_slab_add(struct kmem_cache *s)
99782 {
99783 int err;
99784 @@ -5141,6 +5237,7 @@ void sysfs_slab_remove(struct kmem_cache *s)
99785 kobject_del(&s->kobj);
99786 kobject_put(&s->kobj);
99787 }
99788 +#endif
99789
99790 /*
99791 * Need to buffer aliases during bootup until sysfs becomes
99792 @@ -5154,6 +5251,7 @@ struct saved_alias {
99793
99794 static struct saved_alias *alias_list;
99795
99796 +#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD)
99797 static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
99798 {
99799 struct saved_alias *al;
99800 @@ -5176,6 +5274,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
99801 alias_list = al;
99802 return 0;
99803 }
99804 +#endif
99805
99806 static int __init slab_sysfs_init(void)
99807 {
99808 diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
99809 index 4cba9c2..b4f9fcc 100644
99810 --- a/mm/sparse-vmemmap.c
99811 +++ b/mm/sparse-vmemmap.c
99812 @@ -131,7 +131,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
99813 void *p = vmemmap_alloc_block(PAGE_SIZE, node);
99814 if (!p)
99815 return NULL;
99816 - pud_populate(&init_mm, pud, p);
99817 + pud_populate_kernel(&init_mm, pud, p);
99818 }
99819 return pud;
99820 }
99821 @@ -143,7 +143,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
99822 void *p = vmemmap_alloc_block(PAGE_SIZE, node);
99823 if (!p)
99824 return NULL;
99825 - pgd_populate(&init_mm, pgd, p);
99826 + pgd_populate_kernel(&init_mm, pgd, p);
99827 }
99828 return pgd;
99829 }
99830 diff --git a/mm/sparse.c b/mm/sparse.c
99831 index d1b48b6..6e8590e 100644
99832 --- a/mm/sparse.c
99833 +++ b/mm/sparse.c
99834 @@ -750,7 +750,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages)
99835
99836 for (i = 0; i < PAGES_PER_SECTION; i++) {
99837 if (PageHWPoison(&memmap[i])) {
99838 - atomic_long_sub(1, &num_poisoned_pages);
99839 + atomic_long_sub_unchecked(1, &num_poisoned_pages);
99840 ClearPageHWPoison(&memmap[i]);
99841 }
99842 }
99843 diff --git a/mm/swap.c b/mm/swap.c
99844 index 8a12b33..7068e78 100644
99845 --- a/mm/swap.c
99846 +++ b/mm/swap.c
99847 @@ -31,6 +31,7 @@
99848 #include <linux/memcontrol.h>
99849 #include <linux/gfp.h>
99850 #include <linux/uio.h>
99851 +#include <linux/hugetlb.h>
99852
99853 #include "internal.h"
99854
99855 @@ -77,6 +78,8 @@ static void __put_compound_page(struct page *page)
99856
99857 __page_cache_release(page);
99858 dtor = get_compound_page_dtor(page);
99859 + if (!PageHuge(page))
99860 + BUG_ON(dtor != free_compound_page);
99861 (*dtor)(page);
99862 }
99863
99864 diff --git a/mm/swapfile.c b/mm/swapfile.c
99865 index 8798b2e..348f9dd 100644
99866 --- a/mm/swapfile.c
99867 +++ b/mm/swapfile.c
99868 @@ -84,7 +84,7 @@ static DEFINE_MUTEX(swapon_mutex);
99869
99870 static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait);
99871 /* Activity counter to indicate that a swapon or swapoff has occurred */
99872 -static atomic_t proc_poll_event = ATOMIC_INIT(0);
99873 +static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0);
99874
99875 static inline unsigned char swap_count(unsigned char ent)
99876 {
99877 @@ -1944,7 +1944,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
99878 spin_unlock(&swap_lock);
99879
99880 err = 0;
99881 - atomic_inc(&proc_poll_event);
99882 + atomic_inc_unchecked(&proc_poll_event);
99883 wake_up_interruptible(&proc_poll_wait);
99884
99885 out_dput:
99886 @@ -1961,8 +1961,8 @@ static unsigned swaps_poll(struct file *file, poll_table *wait)
99887
99888 poll_wait(file, &proc_poll_wait, wait);
99889
99890 - if (seq->poll_event != atomic_read(&proc_poll_event)) {
99891 - seq->poll_event = atomic_read(&proc_poll_event);
99892 + if (seq->poll_event != atomic_read_unchecked(&proc_poll_event)) {
99893 + seq->poll_event = atomic_read_unchecked(&proc_poll_event);
99894 return POLLIN | POLLRDNORM | POLLERR | POLLPRI;
99895 }
99896
99897 @@ -2060,7 +2060,7 @@ static int swaps_open(struct inode *inode, struct file *file)
99898 return ret;
99899
99900 seq = file->private_data;
99901 - seq->poll_event = atomic_read(&proc_poll_event);
99902 + seq->poll_event = atomic_read_unchecked(&proc_poll_event);
99903 return 0;
99904 }
99905
99906 @@ -2520,7 +2520,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
99907 (frontswap_map) ? "FS" : "");
99908
99909 mutex_unlock(&swapon_mutex);
99910 - atomic_inc(&proc_poll_event);
99911 + atomic_inc_unchecked(&proc_poll_event);
99912 wake_up_interruptible(&proc_poll_wait);
99913
99914 if (S_ISREG(inode->i_mode))
99915 diff --git a/mm/util.c b/mm/util.c
99916 index fec39d4..3e60325 100644
99917 --- a/mm/util.c
99918 +++ b/mm/util.c
99919 @@ -195,6 +195,12 @@ struct task_struct *task_of_stack(struct task_struct *task,
99920 void arch_pick_mmap_layout(struct mm_struct *mm)
99921 {
99922 mm->mmap_base = TASK_UNMAPPED_BASE;
99923 +
99924 +#ifdef CONFIG_PAX_RANDMMAP
99925 + if (mm->pax_flags & MF_PAX_RANDMMAP)
99926 + mm->mmap_base += mm->delta_mmap;
99927 +#endif
99928 +
99929 mm->get_unmapped_area = arch_get_unmapped_area;
99930 }
99931 #endif
99932 @@ -371,6 +377,9 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen)
99933 if (!mm->arg_end)
99934 goto out_mm; /* Shh! No looking before we're done */
99935
99936 + if (gr_acl_handle_procpidmem(task))
99937 + goto out_mm;
99938 +
99939 len = mm->arg_end - mm->arg_start;
99940
99941 if (len > buflen)
99942 diff --git a/mm/vmalloc.c b/mm/vmalloc.c
99943 index 90520af..24231aa 100644
99944 --- a/mm/vmalloc.c
99945 +++ b/mm/vmalloc.c
99946 @@ -40,6 +40,21 @@ struct vfree_deferred {
99947 };
99948 static DEFINE_PER_CPU(struct vfree_deferred, vfree_deferred);
99949
99950 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
99951 +struct stack_deferred_llist {
99952 + struct llist_head list;
99953 + void *stack;
99954 + void *lowmem_stack;
99955 +};
99956 +
99957 +struct stack_deferred {
99958 + struct stack_deferred_llist list;
99959 + struct work_struct wq;
99960 +};
99961 +
99962 +static DEFINE_PER_CPU(struct stack_deferred, stack_deferred);
99963 +#endif
99964 +
99965 static void __vunmap(const void *, int);
99966
99967 static void free_work(struct work_struct *w)
99968 @@ -47,12 +62,30 @@ static void free_work(struct work_struct *w)
99969 struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq);
99970 struct llist_node *llnode = llist_del_all(&p->list);
99971 while (llnode) {
99972 - void *p = llnode;
99973 + void *x = llnode;
99974 llnode = llist_next(llnode);
99975 - __vunmap(p, 1);
99976 + __vunmap(x, 1);
99977 }
99978 }
99979
99980 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
99981 +static void unmap_work(struct work_struct *w)
99982 +{
99983 + struct stack_deferred *p = container_of(w, struct stack_deferred, wq);
99984 + struct llist_node *llnode = llist_del_all(&p->list.list);
99985 + while (llnode) {
99986 + struct stack_deferred_llist *x =
99987 + llist_entry((struct llist_head *)llnode,
99988 + struct stack_deferred_llist, list);
99989 + void *stack = ACCESS_ONCE(x->stack);
99990 + void *lowmem_stack = ACCESS_ONCE(x->lowmem_stack);
99991 + llnode = llist_next(llnode);
99992 + __vunmap(stack, 0);
99993 + free_kmem_pages((unsigned long)lowmem_stack, THREAD_SIZE_ORDER);
99994 + }
99995 +}
99996 +#endif
99997 +
99998 /*** Page table manipulation functions ***/
99999
100000 static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
100001 @@ -61,8 +94,19 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
100002
100003 pte = pte_offset_kernel(pmd, addr);
100004 do {
100005 - pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
100006 - WARN_ON(!pte_none(ptent) && !pte_present(ptent));
100007 +
100008 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
100009 + if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) {
100010 + BUG_ON(!pte_exec(*pte));
100011 + set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC));
100012 + continue;
100013 + }
100014 +#endif
100015 +
100016 + {
100017 + pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
100018 + WARN_ON(!pte_none(ptent) && !pte_present(ptent));
100019 + }
100020 } while (pte++, addr += PAGE_SIZE, addr != end);
100021 }
100022
100023 @@ -122,16 +166,29 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
100024 pte = pte_alloc_kernel(pmd, addr);
100025 if (!pte)
100026 return -ENOMEM;
100027 +
100028 + pax_open_kernel();
100029 do {
100030 struct page *page = pages[*nr];
100031
100032 - if (WARN_ON(!pte_none(*pte)))
100033 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
100034 + if (pgprot_val(prot) & _PAGE_NX)
100035 +#endif
100036 +
100037 + if (!pte_none(*pte)) {
100038 + pax_close_kernel();
100039 + WARN_ON(1);
100040 return -EBUSY;
100041 - if (WARN_ON(!page))
100042 + }
100043 + if (!page) {
100044 + pax_close_kernel();
100045 + WARN_ON(1);
100046 return -ENOMEM;
100047 + }
100048 set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
100049 (*nr)++;
100050 } while (pte++, addr += PAGE_SIZE, addr != end);
100051 + pax_close_kernel();
100052 return 0;
100053 }
100054
100055 @@ -141,7 +198,7 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
100056 pmd_t *pmd;
100057 unsigned long next;
100058
100059 - pmd = pmd_alloc(&init_mm, pud, addr);
100060 + pmd = pmd_alloc_kernel(&init_mm, pud, addr);
100061 if (!pmd)
100062 return -ENOMEM;
100063 do {
100064 @@ -158,7 +215,7 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
100065 pud_t *pud;
100066 unsigned long next;
100067
100068 - pud = pud_alloc(&init_mm, pgd, addr);
100069 + pud = pud_alloc_kernel(&init_mm, pgd, addr);
100070 if (!pud)
100071 return -ENOMEM;
100072 do {
100073 @@ -218,6 +275,12 @@ int is_vmalloc_or_module_addr(const void *x)
100074 if (addr >= MODULES_VADDR && addr < MODULES_END)
100075 return 1;
100076 #endif
100077 +
100078 +#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC)
100079 + if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END)
100080 + return 1;
100081 +#endif
100082 +
100083 return is_vmalloc_addr(x);
100084 }
100085
100086 @@ -238,8 +301,14 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
100087
100088 if (!pgd_none(*pgd)) {
100089 pud_t *pud = pud_offset(pgd, addr);
100090 +#ifdef CONFIG_X86
100091 + if (!pud_large(*pud))
100092 +#endif
100093 if (!pud_none(*pud)) {
100094 pmd_t *pmd = pmd_offset(pud, addr);
100095 +#ifdef CONFIG_X86
100096 + if (!pmd_large(*pmd))
100097 +#endif
100098 if (!pmd_none(*pmd)) {
100099 pte_t *ptep, pte;
100100
100101 @@ -1183,13 +1252,23 @@ void __init vmalloc_init(void)
100102 for_each_possible_cpu(i) {
100103 struct vmap_block_queue *vbq;
100104 struct vfree_deferred *p;
100105 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
100106 + struct stack_deferred *p2;
100107 +#endif
100108
100109 vbq = &per_cpu(vmap_block_queue, i);
100110 spin_lock_init(&vbq->lock);
100111 INIT_LIST_HEAD(&vbq->free);
100112 +
100113 p = &per_cpu(vfree_deferred, i);
100114 init_llist_head(&p->list);
100115 INIT_WORK(&p->wq, free_work);
100116 +
100117 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
100118 + p2 = &per_cpu(stack_deferred, i);
100119 + init_llist_head(&p2->list.list);
100120 + INIT_WORK(&p2->wq, unmap_work);
100121 +#endif
100122 }
100123
100124 /* Import existing vmlist entries. */
100125 @@ -1314,6 +1393,16 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
100126 struct vm_struct *area;
100127
100128 BUG_ON(in_interrupt());
100129 +
100130 +#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
100131 + if (flags & VM_KERNEXEC) {
100132 + if (start != VMALLOC_START || end != VMALLOC_END)
100133 + return NULL;
100134 + start = (unsigned long)MODULES_EXEC_VADDR;
100135 + end = (unsigned long)MODULES_EXEC_END;
100136 + }
100137 +#endif
100138 +
100139 if (flags & VM_IOREMAP)
100140 align = 1ul << clamp(fls(size), PAGE_SHIFT, IOREMAP_MAX_ORDER);
100141
100142 @@ -1519,6 +1608,23 @@ void vunmap(const void *addr)
100143 }
100144 EXPORT_SYMBOL(vunmap);
100145
100146 +#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW
100147 +void unmap_process_stacks(struct task_struct *task)
100148 +{
100149 + if (unlikely(in_interrupt())) {
100150 + struct stack_deferred *p = &__get_cpu_var(stack_deferred);
100151 + struct stack_deferred_llist *list = task->stack;
100152 + list->stack = task->stack;
100153 + list->lowmem_stack = task->lowmem_stack;
100154 + if (llist_add((struct llist_node *)&list->list, &p->list.list))
100155 + schedule_work(&p->wq);
100156 + } else {
100157 + __vunmap(task->stack, 0);
100158 + free_kmem_pages((unsigned long)task->lowmem_stack, THREAD_SIZE_ORDER);
100159 + }
100160 +}
100161 +#endif
100162 +
100163 /**
100164 * vmap - map an array of pages into virtually contiguous space
100165 * @pages: array of page pointers
100166 @@ -1539,6 +1645,11 @@ void *vmap(struct page **pages, unsigned int count,
100167 if (count > totalram_pages)
100168 return NULL;
100169
100170 +#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
100171 + if (!(pgprot_val(prot) & _PAGE_NX))
100172 + flags |= VM_KERNEXEC;
100173 +#endif
100174 +
100175 area = get_vm_area_caller((count << PAGE_SHIFT), flags,
100176 __builtin_return_address(0));
100177 if (!area)
100178 @@ -1641,6 +1752,13 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
100179 if (!size || (size >> PAGE_SHIFT) > totalram_pages)
100180 goto fail;
100181
100182 +#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC)
100183 + if (!(pgprot_val(prot) & _PAGE_NX))
100184 + area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNINITIALIZED | VM_KERNEXEC,
100185 + VMALLOC_START, VMALLOC_END, node, gfp_mask, caller);
100186 + else
100187 +#endif
100188 +
100189 area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNINITIALIZED,
100190 start, end, node, gfp_mask, caller);
100191 if (!area)
100192 @@ -1817,10 +1935,9 @@ EXPORT_SYMBOL(vzalloc_node);
100193 * For tight control over page level allocator and protection flags
100194 * use __vmalloc() instead.
100195 */
100196 -
100197 void *vmalloc_exec(unsigned long size)
100198 {
100199 - return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
100200 + return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC,
100201 NUMA_NO_NODE, __builtin_return_address(0));
100202 }
100203
100204 @@ -2127,6 +2244,8 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
100205 {
100206 struct vm_struct *area;
100207
100208 + BUG_ON(vma->vm_mirror);
100209 +
100210 size = PAGE_ALIGN(size);
100211
100212 if (!PAGE_ALIGNED(uaddr) || !PAGE_ALIGNED(kaddr))
100213 @@ -2609,7 +2728,11 @@ static int s_show(struct seq_file *m, void *p)
100214 v->addr, v->addr + v->size, v->size);
100215
100216 if (v->caller)
100217 +#ifdef CONFIG_GRKERNSEC_HIDESYM
100218 + seq_printf(m, " %pK", v->caller);
100219 +#else
100220 seq_printf(m, " %pS", v->caller);
100221 +#endif
100222
100223 if (v->nr_pages)
100224 seq_printf(m, " pages=%d", v->nr_pages);
100225 diff --git a/mm/vmstat.c b/mm/vmstat.c
100226 index 1b12d39..57b29b2 100644
100227 --- a/mm/vmstat.c
100228 +++ b/mm/vmstat.c
100229 @@ -22,6 +22,7 @@
100230 #include <linux/writeback.h>
100231 #include <linux/compaction.h>
100232 #include <linux/mm_inline.h>
100233 +#include <linux/grsecurity.h>
100234
100235 #include "internal.h"
100236
100237 @@ -81,7 +82,7 @@ void vm_events_fold_cpu(int cpu)
100238 *
100239 * vm_stat contains the global counters
100240 */
100241 -atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
100242 +atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
100243 EXPORT_SYMBOL(vm_stat);
100244
100245 #ifdef CONFIG_SMP
100246 @@ -433,7 +434,7 @@ static int fold_diff(int *diff)
100247
100248 for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
100249 if (diff[i]) {
100250 - atomic_long_add(diff[i], &vm_stat[i]);
100251 + atomic_long_add_unchecked(diff[i], &vm_stat[i]);
100252 changes++;
100253 }
100254 return changes;
100255 @@ -471,7 +472,7 @@ static int refresh_cpu_vm_stats(void)
100256 v = this_cpu_xchg(p->vm_stat_diff[i], 0);
100257 if (v) {
100258
100259 - atomic_long_add(v, &zone->vm_stat[i]);
100260 + atomic_long_add_unchecked(v, &zone->vm_stat[i]);
100261 global_diff[i] += v;
100262 #ifdef CONFIG_NUMA
100263 /* 3 seconds idle till flush */
100264 @@ -535,7 +536,7 @@ void cpu_vm_stats_fold(int cpu)
100265
100266 v = p->vm_stat_diff[i];
100267 p->vm_stat_diff[i] = 0;
100268 - atomic_long_add(v, &zone->vm_stat[i]);
100269 + atomic_long_add_unchecked(v, &zone->vm_stat[i]);
100270 global_diff[i] += v;
100271 }
100272 }
100273 @@ -555,8 +556,8 @@ void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset)
100274 if (pset->vm_stat_diff[i]) {
100275 int v = pset->vm_stat_diff[i];
100276 pset->vm_stat_diff[i] = 0;
100277 - atomic_long_add(v, &zone->vm_stat[i]);
100278 - atomic_long_add(v, &vm_stat[i]);
100279 + atomic_long_add_unchecked(v, &zone->vm_stat[i]);
100280 + atomic_long_add_unchecked(v, &vm_stat[i]);
100281 }
100282 }
100283 #endif
100284 @@ -1189,10 +1190,22 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos)
100285 stat_items_size += sizeof(struct vm_event_state);
100286 #endif
100287
100288 - v = kmalloc(stat_items_size, GFP_KERNEL);
100289 + v = kzalloc(stat_items_size, GFP_KERNEL);
100290 m->private = v;
100291 if (!v)
100292 return ERR_PTR(-ENOMEM);
100293 +
100294 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
100295 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
100296 + if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)
100297 +#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP
100298 + && !in_group_p(grsec_proc_gid)
100299 +#endif
100300 + )
100301 + return (unsigned long *)m->private + *pos;
100302 +#endif
100303 +#endif
100304 +
100305 for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
100306 v[i] = global_page_state(i);
100307 v += NR_VM_ZONE_STAT_ITEMS;
100308 @@ -1424,10 +1437,16 @@ static int __init setup_vmstat(void)
100309 cpu_notifier_register_done();
100310 #endif
100311 #ifdef CONFIG_PROC_FS
100312 - proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
100313 - proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
100314 - proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
100315 - proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
100316 + {
100317 + mode_t gr_mode = S_IRUGO;
100318 +#ifdef CONFIG_GRKERNSEC_PROC_ADD
100319 + gr_mode = S_IRUSR;
100320 +#endif
100321 + proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations);
100322 + proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops);
100323 + proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
100324 + proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations);
100325 + }
100326 #endif
100327 return 0;
100328 }
100329 diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
100330 index 64c6bed..b79a5de 100644
100331 --- a/net/8021q/vlan.c
100332 +++ b/net/8021q/vlan.c
100333 @@ -481,7 +481,7 @@ out:
100334 return NOTIFY_DONE;
100335 }
100336
100337 -static struct notifier_block vlan_notifier_block __read_mostly = {
100338 +static struct notifier_block vlan_notifier_block = {
100339 .notifier_call = vlan_device_event,
100340 };
100341
100342 @@ -556,8 +556,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg)
100343 err = -EPERM;
100344 if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
100345 break;
100346 - if ((args.u.name_type >= 0) &&
100347 - (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) {
100348 + if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) {
100349 struct vlan_net *vn;
100350
100351 vn = net_generic(net, vlan_net_id);
100352 diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
100353 index 8ac8a5c..991defc 100644
100354 --- a/net/8021q/vlan_netlink.c
100355 +++ b/net/8021q/vlan_netlink.c
100356 @@ -238,7 +238,7 @@ nla_put_failure:
100357 return -EMSGSIZE;
100358 }
100359
100360 -struct rtnl_link_ops vlan_link_ops __read_mostly = {
100361 +struct rtnl_link_ops vlan_link_ops = {
100362 .kind = "vlan",
100363 .maxtype = IFLA_VLAN_MAX,
100364 .policy = vlan_policy,
100365 diff --git a/net/9p/client.c b/net/9p/client.c
100366 index e86a9bea..e91f70e 100644
100367 --- a/net/9p/client.c
100368 +++ b/net/9p/client.c
100369 @@ -596,7 +596,7 @@ static int p9_check_zc_errors(struct p9_client *c, struct p9_req_t *req,
100370 len - inline_len);
100371 } else {
100372 err = copy_from_user(ename + inline_len,
100373 - uidata, len - inline_len);
100374 + (char __force_user *)uidata, len - inline_len);
100375 if (err) {
100376 err = -EFAULT;
100377 goto out_err;
100378 @@ -1570,7 +1570,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
100379 kernel_buf = 1;
100380 indata = data;
100381 } else
100382 - indata = (__force char *)udata;
100383 + indata = (__force_kernel char *)udata;
100384 /*
100385 * response header len is 11
100386 * PDU Header(7) + IO Size (4)
100387 @@ -1645,7 +1645,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
100388 kernel_buf = 1;
100389 odata = data;
100390 } else
100391 - odata = (char *)udata;
100392 + odata = (char __force_kernel *)udata;
100393 req = p9_client_zc_rpc(clnt, P9_TWRITE, NULL, odata, 0, rsize,
100394 P9_ZC_HDR_SZ, kernel_buf, "dqd",
100395 fid->fid, offset, rsize);
100396 diff --git a/net/9p/mod.c b/net/9p/mod.c
100397 index 6ab36ae..6f1841b 100644
100398 --- a/net/9p/mod.c
100399 +++ b/net/9p/mod.c
100400 @@ -84,7 +84,7 @@ static LIST_HEAD(v9fs_trans_list);
100401 void v9fs_register_trans(struct p9_trans_module *m)
100402 {
100403 spin_lock(&v9fs_trans_lock);
100404 - list_add_tail(&m->list, &v9fs_trans_list);
100405 + pax_list_add_tail((struct list_head *)&m->list, &v9fs_trans_list);
100406 spin_unlock(&v9fs_trans_lock);
100407 }
100408 EXPORT_SYMBOL(v9fs_register_trans);
100409 @@ -97,7 +97,7 @@ EXPORT_SYMBOL(v9fs_register_trans);
100410 void v9fs_unregister_trans(struct p9_trans_module *m)
100411 {
100412 spin_lock(&v9fs_trans_lock);
100413 - list_del_init(&m->list);
100414 + pax_list_del_init((struct list_head *)&m->list);
100415 spin_unlock(&v9fs_trans_lock);
100416 }
100417 EXPORT_SYMBOL(v9fs_unregister_trans);
100418 diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
100419 index 80d08f6..de63fd1 100644
100420 --- a/net/9p/trans_fd.c
100421 +++ b/net/9p/trans_fd.c
100422 @@ -428,7 +428,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len)
100423 oldfs = get_fs();
100424 set_fs(get_ds());
100425 /* The cast to a user pointer is valid due to the set_fs() */
100426 - ret = vfs_write(ts->wr, (__force void __user *)v, len, &ts->wr->f_pos);
100427 + ret = vfs_write(ts->wr, (void __force_user *)v, len, &ts->wr->f_pos);
100428 set_fs(oldfs);
100429
100430 if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
100431 diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c
100432 index af46bc4..f9adfcd 100644
100433 --- a/net/appletalk/atalk_proc.c
100434 +++ b/net/appletalk/atalk_proc.c
100435 @@ -256,7 +256,7 @@ int __init atalk_proc_init(void)
100436 struct proc_dir_entry *p;
100437 int rc = -ENOMEM;
100438
100439 - atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net);
100440 + atalk_proc_dir = proc_mkdir_restrict("atalk", init_net.proc_net);
100441 if (!atalk_proc_dir)
100442 goto out;
100443
100444 diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
100445 index 876fbe8..8bbea9f 100644
100446 --- a/net/atm/atm_misc.c
100447 +++ b/net/atm/atm_misc.c
100448 @@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int truesize)
100449 if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf)
100450 return 1;
100451 atm_return(vcc, truesize);
100452 - atomic_inc(&vcc->stats->rx_drop);
100453 + atomic_inc_unchecked(&vcc->stats->rx_drop);
100454 return 0;
100455 }
100456 EXPORT_SYMBOL(atm_charge);
100457 @@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc, int pdu_size,
100458 }
100459 }
100460 atm_return(vcc, guess);
100461 - atomic_inc(&vcc->stats->rx_drop);
100462 + atomic_inc_unchecked(&vcc->stats->rx_drop);
100463 return NULL;
100464 }
100465 EXPORT_SYMBOL(atm_alloc_charge);
100466 @@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal);
100467
100468 void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to)
100469 {
100470 -#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
100471 +#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
100472 __SONET_ITEMS
100473 #undef __HANDLE_ITEM
100474 }
100475 @@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats);
100476
100477 void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to)
100478 {
100479 -#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
100480 +#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i)
100481 __SONET_ITEMS
100482 #undef __HANDLE_ITEM
100483 }
100484 diff --git a/net/atm/lec.c b/net/atm/lec.c
100485 index 4b98f89..5a2f6cb 100644
100486 --- a/net/atm/lec.c
100487 +++ b/net/atm/lec.c
100488 @@ -111,9 +111,9 @@ static inline void lec_arp_put(struct lec_arp_table *entry)
100489 }
100490
100491 static struct lane2_ops lane2_ops = {
100492 - lane2_resolve, /* resolve, spec 3.1.3 */
100493 - lane2_associate_req, /* associate_req, spec 3.1.4 */
100494 - NULL /* associate indicator, spec 3.1.5 */
100495 + .resolve = lane2_resolve,
100496 + .associate_req = lane2_associate_req,
100497 + .associate_indicator = NULL
100498 };
100499
100500 static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
100501 diff --git a/net/atm/lec.h b/net/atm/lec.h
100502 index 4149db1..f2ab682 100644
100503 --- a/net/atm/lec.h
100504 +++ b/net/atm/lec.h
100505 @@ -48,7 +48,7 @@ struct lane2_ops {
100506 const u8 *tlvs, u32 sizeoftlvs);
100507 void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr,
100508 const u8 *tlvs, u32 sizeoftlvs);
100509 -};
100510 +} __no_const;
100511
100512 /*
100513 * ATM LAN Emulation supports both LLC & Dix Ethernet EtherType
100514 diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c
100515 index d1b2d9a..d549f7f 100644
100516 --- a/net/atm/mpoa_caches.c
100517 +++ b/net/atm/mpoa_caches.c
100518 @@ -535,30 +535,30 @@ static void eg_destroy_cache(struct mpoa_client *mpc)
100519
100520
100521 static struct in_cache_ops ingress_ops = {
100522 - in_cache_add_entry, /* add_entry */
100523 - in_cache_get, /* get */
100524 - in_cache_get_with_mask, /* get_with_mask */
100525 - in_cache_get_by_vcc, /* get_by_vcc */
100526 - in_cache_put, /* put */
100527 - in_cache_remove_entry, /* remove_entry */
100528 - cache_hit, /* cache_hit */
100529 - clear_count_and_expired, /* clear_count */
100530 - check_resolving_entries, /* check_resolving */
100531 - refresh_entries, /* refresh */
100532 - in_destroy_cache /* destroy_cache */
100533 + .add_entry = in_cache_add_entry,
100534 + .get = in_cache_get,
100535 + .get_with_mask = in_cache_get_with_mask,
100536 + .get_by_vcc = in_cache_get_by_vcc,
100537 + .put = in_cache_put,
100538 + .remove_entry = in_cache_remove_entry,
100539 + .cache_hit = cache_hit,
100540 + .clear_count = clear_count_and_expired,
100541 + .check_resolving = check_resolving_entries,
100542 + .refresh = refresh_entries,
100543 + .destroy_cache = in_destroy_cache
100544 };
100545
100546 static struct eg_cache_ops egress_ops = {
100547 - eg_cache_add_entry, /* add_entry */
100548 - eg_cache_get_by_cache_id, /* get_by_cache_id */
100549 - eg_cache_get_by_tag, /* get_by_tag */
100550 - eg_cache_get_by_vcc, /* get_by_vcc */
100551 - eg_cache_get_by_src_ip, /* get_by_src_ip */
100552 - eg_cache_put, /* put */
100553 - eg_cache_remove_entry, /* remove_entry */
100554 - update_eg_cache_entry, /* update */
100555 - clear_expired, /* clear_expired */
100556 - eg_destroy_cache /* destroy_cache */
100557 + .add_entry = eg_cache_add_entry,
100558 + .get_by_cache_id = eg_cache_get_by_cache_id,
100559 + .get_by_tag = eg_cache_get_by_tag,
100560 + .get_by_vcc = eg_cache_get_by_vcc,
100561 + .get_by_src_ip = eg_cache_get_by_src_ip,
100562 + .put = eg_cache_put,
100563 + .remove_entry = eg_cache_remove_entry,
100564 + .update = update_eg_cache_entry,
100565 + .clear_expired = clear_expired,
100566 + .destroy_cache = eg_destroy_cache
100567 };
100568
100569
100570 diff --git a/net/atm/proc.c b/net/atm/proc.c
100571 index bbb6461..cf04016 100644
100572 --- a/net/atm/proc.c
100573 +++ b/net/atm/proc.c
100574 @@ -45,9 +45,9 @@ static void add_stats(struct seq_file *seq, const char *aal,
100575 const struct k_atm_aal_stats *stats)
100576 {
100577 seq_printf(seq, "%s ( %d %d %d %d %d )", aal,
100578 - atomic_read(&stats->tx), atomic_read(&stats->tx_err),
100579 - atomic_read(&stats->rx), atomic_read(&stats->rx_err),
100580 - atomic_read(&stats->rx_drop));
100581 + atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err),
100582 + atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err),
100583 + atomic_read_unchecked(&stats->rx_drop));
100584 }
100585
100586 static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev)
100587 diff --git a/net/atm/resources.c b/net/atm/resources.c
100588 index 0447d5d..3cf4728 100644
100589 --- a/net/atm/resources.c
100590 +++ b/net/atm/resources.c
100591 @@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister);
100592 static void copy_aal_stats(struct k_atm_aal_stats *from,
100593 struct atm_aal_stats *to)
100594 {
100595 -#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i)
100596 +#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i)
100597 __AAL_STAT_ITEMS
100598 #undef __HANDLE_ITEM
100599 }
100600 @@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_aal_stats *from,
100601 static void subtract_aal_stats(struct k_atm_aal_stats *from,
100602 struct atm_aal_stats *to)
100603 {
100604 -#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i)
100605 +#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i)
100606 __AAL_STAT_ITEMS
100607 #undef __HANDLE_ITEM
100608 }
100609 diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
100610 index 919a5ce..cc6b444 100644
100611 --- a/net/ax25/sysctl_net_ax25.c
100612 +++ b/net/ax25/sysctl_net_ax25.c
100613 @@ -152,7 +152,7 @@ int ax25_register_dev_sysctl(ax25_dev *ax25_dev)
100614 {
100615 char path[sizeof("net/ax25/") + IFNAMSIZ];
100616 int k;
100617 - struct ctl_table *table;
100618 + ctl_table_no_const *table;
100619
100620 table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL);
100621 if (!table)
100622 diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
100623 index 1e80539..676c37a 100644
100624 --- a/net/batman-adv/bat_iv_ogm.c
100625 +++ b/net/batman-adv/bat_iv_ogm.c
100626 @@ -313,7 +313,7 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
100627
100628 /* randomize initial seqno to avoid collision */
100629 get_random_bytes(&random_seqno, sizeof(random_seqno));
100630 - atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno);
100631 + atomic_set_unchecked(&hard_iface->bat_iv.ogm_seqno, random_seqno);
100632
100633 hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN;
100634 ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC);
100635 @@ -918,9 +918,9 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
100636 batadv_ogm_packet->tvlv_len = htons(tvlv_len);
100637
100638 /* change sequence number to network order */
100639 - seqno = (uint32_t)atomic_read(&hard_iface->bat_iv.ogm_seqno);
100640 + seqno = (uint32_t)atomic_read_unchecked(&hard_iface->bat_iv.ogm_seqno);
100641 batadv_ogm_packet->seqno = htonl(seqno);
100642 - atomic_inc(&hard_iface->bat_iv.ogm_seqno);
100643 + atomic_inc_unchecked(&hard_iface->bat_iv.ogm_seqno);
100644
100645 batadv_iv_ogm_slide_own_bcast_window(hard_iface);
100646
100647 @@ -1597,7 +1597,7 @@ static void batadv_iv_ogm_process(const struct sk_buff *skb, int ogm_offset,
100648 return;
100649
100650 /* could be changed by schedule_own_packet() */
100651 - if_incoming_seqno = atomic_read(&if_incoming->bat_iv.ogm_seqno);
100652 + if_incoming_seqno = atomic_read_unchecked(&if_incoming->bat_iv.ogm_seqno);
100653
100654 if (ogm_packet->flags & BATADV_DIRECTLINK)
100655 has_directlink_flag = true;
100656 diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
100657 index 00f9e14..e1c7203 100644
100658 --- a/net/batman-adv/fragmentation.c
100659 +++ b/net/batman-adv/fragmentation.c
100660 @@ -450,7 +450,7 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
100661 frag_header.packet_type = BATADV_UNICAST_FRAG;
100662 frag_header.version = BATADV_COMPAT_VERSION;
100663 frag_header.ttl = BATADV_TTL;
100664 - frag_header.seqno = htons(atomic_inc_return(&bat_priv->frag_seqno));
100665 + frag_header.seqno = htons(atomic_inc_return_unchecked(&bat_priv->frag_seqno));
100666 frag_header.reserved = 0;
100667 frag_header.no = 0;
100668 frag_header.total_size = htons(skb->len);
100669 diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
100670 index 5467955..75ad4e3 100644
100671 --- a/net/batman-adv/soft-interface.c
100672 +++ b/net/batman-adv/soft-interface.c
100673 @@ -296,7 +296,7 @@ send:
100674 primary_if->net_dev->dev_addr);
100675
100676 /* set broadcast sequence number */
100677 - seqno = atomic_inc_return(&bat_priv->bcast_seqno);
100678 + seqno = atomic_inc_return_unchecked(&bat_priv->bcast_seqno);
100679 bcast_packet->seqno = htonl(seqno);
100680
100681 batadv_add_bcast_packet_to_list(bat_priv, skb, brd_delay);
100682 @@ -761,7 +761,7 @@ static int batadv_softif_init_late(struct net_device *dev)
100683 atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN);
100684
100685 atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
100686 - atomic_set(&bat_priv->bcast_seqno, 1);
100687 + atomic_set_unchecked(&bat_priv->bcast_seqno, 1);
100688 atomic_set(&bat_priv->tt.vn, 0);
100689 atomic_set(&bat_priv->tt.local_changes, 0);
100690 atomic_set(&bat_priv->tt.ogm_append_cnt, 0);
100691 @@ -775,7 +775,7 @@ static int batadv_softif_init_late(struct net_device *dev)
100692
100693 /* randomize initial seqno to avoid collision */
100694 get_random_bytes(&random_seqno, sizeof(random_seqno));
100695 - atomic_set(&bat_priv->frag_seqno, random_seqno);
100696 + atomic_set_unchecked(&bat_priv->frag_seqno, random_seqno);
100697
100698 bat_priv->primary_if = NULL;
100699 bat_priv->num_ifaces = 0;
100700 @@ -983,7 +983,7 @@ int batadv_softif_is_valid(const struct net_device *net_dev)
100701 return 0;
100702 }
100703
100704 -struct rtnl_link_ops batadv_link_ops __read_mostly = {
100705 +struct rtnl_link_ops batadv_link_ops = {
100706 .kind = "batadv",
100707 .priv_size = sizeof(struct batadv_priv),
100708 .setup = batadv_softif_init_early,
100709 diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
100710 index 8854c05..ee5d5497 100644
100711 --- a/net/batman-adv/types.h
100712 +++ b/net/batman-adv/types.h
100713 @@ -67,7 +67,7 @@ enum batadv_dhcp_recipient {
100714 struct batadv_hard_iface_bat_iv {
100715 unsigned char *ogm_buff;
100716 int ogm_buff_len;
100717 - atomic_t ogm_seqno;
100718 + atomic_unchecked_t ogm_seqno;
100719 };
100720
100721 /**
100722 @@ -768,7 +768,7 @@ struct batadv_priv {
100723 atomic_t bonding;
100724 atomic_t fragmentation;
100725 atomic_t packet_size_max;
100726 - atomic_t frag_seqno;
100727 + atomic_unchecked_t frag_seqno;
100728 #ifdef CONFIG_BATMAN_ADV_BLA
100729 atomic_t bridge_loop_avoidance;
100730 #endif
100731 @@ -787,7 +787,7 @@ struct batadv_priv {
100732 #endif
100733 uint32_t isolation_mark;
100734 uint32_t isolation_mark_mask;
100735 - atomic_t bcast_seqno;
100736 + atomic_unchecked_t bcast_seqno;
100737 atomic_t bcast_queue_left;
100738 atomic_t batman_queue_left;
100739 char num_ifaces;
100740 diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
100741 index cfbb39e..0bbfc9d 100644
100742 --- a/net/bluetooth/6lowpan.c
100743 +++ b/net/bluetooth/6lowpan.c
100744 @@ -367,7 +367,6 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
100745
100746 drop:
100747 dev->stats.rx_dropped++;
100748 - kfree_skb(skb);
100749 return NET_RX_DROP;
100750 }
100751
100752 diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
100753 index 85bcc21..ce82722d 100644
100754 --- a/net/bluetooth/bnep/core.c
100755 +++ b/net/bluetooth/bnep/core.c
100756 @@ -533,6 +533,9 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
100757
100758 BT_DBG("");
100759
100760 + if (!l2cap_is_socket(sock))
100761 + return -EBADFD;
100762 +
100763 baswap((void *) dst, &l2cap_pi(sock->sk)->chan->dst);
100764 baswap((void *) src, &l2cap_pi(sock->sk)->chan->src);
100765
100766 diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
100767 index 67fe5e8..278a194 100644
100768 --- a/net/bluetooth/cmtp/core.c
100769 +++ b/net/bluetooth/cmtp/core.c
100770 @@ -334,6 +334,9 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
100771
100772 BT_DBG("");
100773
100774 + if (!l2cap_is_socket(sock))
100775 + return -EBADFD;
100776 +
100777 session = kzalloc(sizeof(struct cmtp_session), GFP_KERNEL);
100778 if (!session)
100779 return -ENOMEM;
100780 diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
100781 index 115f149..f0ba286 100644
100782 --- a/net/bluetooth/hci_sock.c
100783 +++ b/net/bluetooth/hci_sock.c
100784 @@ -1067,7 +1067,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname,
100785 uf.event_mask[1] = *((u32 *) f->event_mask + 1);
100786 }
100787
100788 - len = min_t(unsigned int, len, sizeof(uf));
100789 + len = min((size_t)len, sizeof(uf));
100790 if (copy_from_user(&uf, optval, len)) {
100791 err = -EFAULT;
100792 break;
100793 diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
100794 index 1b7d605..02ebd10 100644
100795 --- a/net/bluetooth/hidp/core.c
100796 +++ b/net/bluetooth/hidp/core.c
100797 @@ -1318,13 +1318,14 @@ int hidp_connection_add(struct hidp_connadd_req *req,
100798 {
100799 struct hidp_session *session;
100800 struct l2cap_conn *conn;
100801 - struct l2cap_chan *chan = l2cap_pi(ctrl_sock->sk)->chan;
100802 + struct l2cap_chan *chan;
100803 int ret;
100804
100805 ret = hidp_verify_sockets(ctrl_sock, intr_sock);
100806 if (ret)
100807 return ret;
100808
100809 + chan = l2cap_pi(ctrl_sock->sk)->chan;
100810 conn = NULL;
100811 l2cap_chan_lock(chan);
100812 if (chan->conn)
100813 diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
100814 index b6f9777..36d3039 100644
100815 --- a/net/bluetooth/l2cap_core.c
100816 +++ b/net/bluetooth/l2cap_core.c
100817 @@ -3512,8 +3512,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
100818 break;
100819
100820 case L2CAP_CONF_RFC:
100821 - if (olen == sizeof(rfc))
100822 - memcpy(&rfc, (void *)val, olen);
100823 + if (olen != sizeof(rfc))
100824 + break;
100825 +
100826 + memcpy(&rfc, (void *)val, olen);
100827
100828 if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
100829 rfc.mode != chan->mode)
100830 diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
100831 index 31f106e..323f606 100644
100832 --- a/net/bluetooth/l2cap_sock.c
100833 +++ b/net/bluetooth/l2cap_sock.c
100834 @@ -628,7 +628,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
100835 struct sock *sk = sock->sk;
100836 struct l2cap_chan *chan = l2cap_pi(sk)->chan;
100837 struct l2cap_options opts;
100838 - int len, err = 0;
100839 + int err = 0;
100840 + size_t len = optlen;
100841 u32 opt;
100842
100843 BT_DBG("sk %p", sk);
100844 @@ -655,7 +656,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
100845 opts.max_tx = chan->max_tx;
100846 opts.txwin_size = chan->tx_win;
100847
100848 - len = min_t(unsigned int, sizeof(opts), optlen);
100849 + len = min(sizeof(opts), len);
100850 if (copy_from_user((char *) &opts, optval, len)) {
100851 err = -EFAULT;
100852 break;
100853 @@ -742,7 +743,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
100854 struct bt_security sec;
100855 struct bt_power pwr;
100856 struct l2cap_conn *conn;
100857 - int len, err = 0;
100858 + int err = 0;
100859 + size_t len = optlen;
100860 u32 opt;
100861
100862 BT_DBG("sk %p", sk);
100863 @@ -766,7 +768,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
100864
100865 sec.level = BT_SECURITY_LOW;
100866
100867 - len = min_t(unsigned int, sizeof(sec), optlen);
100868 + len = min(sizeof(sec), len);
100869 if (copy_from_user((char *) &sec, optval, len)) {
100870 err = -EFAULT;
100871 break;
100872 @@ -862,7 +864,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
100873
100874 pwr.force_active = BT_POWER_FORCE_ACTIVE_ON;
100875
100876 - len = min_t(unsigned int, sizeof(pwr), optlen);
100877 + len = min(sizeof(pwr), len);
100878 if (copy_from_user((char *) &pwr, optval, len)) {
100879 err = -EFAULT;
100880 break;
100881 diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
100882 index 8bbbb5e..6fc0950 100644
100883 --- a/net/bluetooth/rfcomm/sock.c
100884 +++ b/net/bluetooth/rfcomm/sock.c
100885 @@ -687,7 +687,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
100886 struct sock *sk = sock->sk;
100887 struct bt_security sec;
100888 int err = 0;
100889 - size_t len;
100890 + size_t len = optlen;
100891 u32 opt;
100892
100893 BT_DBG("sk %p", sk);
100894 @@ -709,7 +709,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
100895
100896 sec.level = BT_SECURITY_LOW;
100897
100898 - len = min_t(unsigned int, sizeof(sec), optlen);
100899 + len = min(sizeof(sec), len);
100900 if (copy_from_user((char *) &sec, optval, len)) {
100901 err = -EFAULT;
100902 break;
100903 diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
100904 index 8e385a0..a5bdd8e 100644
100905 --- a/net/bluetooth/rfcomm/tty.c
100906 +++ b/net/bluetooth/rfcomm/tty.c
100907 @@ -752,7 +752,7 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
100908 BT_DBG("tty %p id %d", tty, tty->index);
100909
100910 BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst,
100911 - dev->channel, dev->port.count);
100912 + dev->channel, atomic_read(&dev->port.count));
100913
100914 err = tty_port_open(&dev->port, tty, filp);
100915 if (err)
100916 @@ -775,7 +775,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
100917 struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;
100918
100919 BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,
100920 - dev->port.count);
100921 + atomic_read(&dev->port.count));
100922
100923 tty_port_close(&dev->port, tty, filp);
100924 }
100925 diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
100926 index e5ec470..cbfabd1 100644
100927 --- a/net/bridge/br_netlink.c
100928 +++ b/net/bridge/br_netlink.c
100929 @@ -564,7 +564,7 @@ static struct rtnl_af_ops br_af_ops = {
100930 .get_link_af_size = br_get_link_af_size,
100931 };
100932
100933 -struct rtnl_link_ops br_link_ops __read_mostly = {
100934 +struct rtnl_link_ops br_link_ops = {
100935 .kind = "bridge",
100936 .priv_size = sizeof(struct net_bridge),
100937 .setup = br_dev_setup,
100938 diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
100939 index d9a8c05..8dadc6c6 100644
100940 --- a/net/bridge/netfilter/ebtables.c
100941 +++ b/net/bridge/netfilter/ebtables.c
100942 @@ -1533,7 +1533,7 @@ static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
100943 tmp.valid_hooks = t->table->valid_hooks;
100944 }
100945 mutex_unlock(&ebt_mutex);
100946 - if (copy_to_user(user, &tmp, *len) != 0) {
100947 + if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) {
100948 BUGPRINT("c2u Didn't work\n");
100949 ret = -EFAULT;
100950 break;
100951 @@ -2339,7 +2339,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
100952 goto out;
100953 tmp.valid_hooks = t->valid_hooks;
100954
100955 - if (copy_to_user(user, &tmp, *len) != 0) {
100956 + if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) {
100957 ret = -EFAULT;
100958 break;
100959 }
100960 @@ -2350,7 +2350,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
100961 tmp.entries_size = t->table->entries_size;
100962 tmp.valid_hooks = t->table->valid_hooks;
100963
100964 - if (copy_to_user(user, &tmp, *len) != 0) {
100965 + if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) {
100966 ret = -EFAULT;
100967 break;
100968 }
100969 diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c
100970 index f5afda1..dcf770a 100644
100971 --- a/net/caif/cfctrl.c
100972 +++ b/net/caif/cfctrl.c
100973 @@ -10,6 +10,7 @@
100974 #include <linux/spinlock.h>
100975 #include <linux/slab.h>
100976 #include <linux/pkt_sched.h>
100977 +#include <linux/sched.h>
100978 #include <net/caif/caif_layer.h>
100979 #include <net/caif/cfpkt.h>
100980 #include <net/caif/cfctrl.h>
100981 @@ -43,8 +44,8 @@ struct cflayer *cfctrl_create(void)
100982 memset(&dev_info, 0, sizeof(dev_info));
100983 dev_info.id = 0xff;
100984 cfsrvl_init(&this->serv, 0, &dev_info, false);
100985 - atomic_set(&this->req_seq_no, 1);
100986 - atomic_set(&this->rsp_seq_no, 1);
100987 + atomic_set_unchecked(&this->req_seq_no, 1);
100988 + atomic_set_unchecked(&this->rsp_seq_no, 1);
100989 this->serv.layer.receive = cfctrl_recv;
100990 sprintf(this->serv.layer.name, "ctrl");
100991 this->serv.layer.ctrlcmd = cfctrl_ctrlcmd;
100992 @@ -130,8 +131,8 @@ static void cfctrl_insert_req(struct cfctrl *ctrl,
100993 struct cfctrl_request_info *req)
100994 {
100995 spin_lock_bh(&ctrl->info_list_lock);
100996 - atomic_inc(&ctrl->req_seq_no);
100997 - req->sequence_no = atomic_read(&ctrl->req_seq_no);
100998 + atomic_inc_unchecked(&ctrl->req_seq_no);
100999 + req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no);
101000 list_add_tail(&req->list, &ctrl->list);
101001 spin_unlock_bh(&ctrl->info_list_lock);
101002 }
101003 @@ -149,7 +150,7 @@ static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl,
101004 if (p != first)
101005 pr_warn("Requests are not received in order\n");
101006
101007 - atomic_set(&ctrl->rsp_seq_no,
101008 + atomic_set_unchecked(&ctrl->rsp_seq_no,
101009 p->sequence_no);
101010 list_del(&p->list);
101011 goto out;
101012 diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
101013 index 4589ff67..46d6b8f 100644
101014 --- a/net/caif/chnl_net.c
101015 +++ b/net/caif/chnl_net.c
101016 @@ -516,7 +516,7 @@ static const struct nla_policy ipcaif_policy[IFLA_CAIF_MAX + 1] = {
101017 };
101018
101019
101020 -static struct rtnl_link_ops ipcaif_link_ops __read_mostly = {
101021 +static struct rtnl_link_ops ipcaif_link_ops = {
101022 .kind = "caif",
101023 .priv_size = sizeof(struct chnl_net),
101024 .setup = ipcaif_net_setup,
101025 diff --git a/net/can/af_can.c b/net/can/af_can.c
101026 index ce82337..5d17b4d 100644
101027 --- a/net/can/af_can.c
101028 +++ b/net/can/af_can.c
101029 @@ -884,7 +884,7 @@ static const struct net_proto_family can_family_ops = {
101030 };
101031
101032 /* notifier block for netdevice event */
101033 -static struct notifier_block can_netdev_notifier __read_mostly = {
101034 +static struct notifier_block can_netdev_notifier = {
101035 .notifier_call = can_notifier,
101036 };
101037
101038 diff --git a/net/can/bcm.c b/net/can/bcm.c
101039 index dcb75c0..24b1b43 100644
101040 --- a/net/can/bcm.c
101041 +++ b/net/can/bcm.c
101042 @@ -1624,7 +1624,7 @@ static int __init bcm_module_init(void)
101043 }
101044
101045 /* create /proc/net/can-bcm directory */
101046 - proc_dir = proc_mkdir("can-bcm", init_net.proc_net);
101047 + proc_dir = proc_mkdir_restrict("can-bcm", init_net.proc_net);
101048 return 0;
101049 }
101050
101051 diff --git a/net/can/gw.c b/net/can/gw.c
101052 index 050a211..bb9fe33 100644
101053 --- a/net/can/gw.c
101054 +++ b/net/can/gw.c
101055 @@ -80,7 +80,6 @@ MODULE_PARM_DESC(max_hops,
101056 "default: " __stringify(CGW_DEFAULT_HOPS) ")");
101057
101058 static HLIST_HEAD(cgw_list);
101059 -static struct notifier_block notifier;
101060
101061 static struct kmem_cache *cgw_cache __read_mostly;
101062
101063 @@ -947,6 +946,10 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh)
101064 return err;
101065 }
101066
101067 +static struct notifier_block notifier = {
101068 + .notifier_call = cgw_notifier
101069 +};
101070 +
101071 static __init int cgw_module_init(void)
101072 {
101073 /* sanitize given module parameter */
101074 @@ -962,7 +965,6 @@ static __init int cgw_module_init(void)
101075 return -ENOMEM;
101076
101077 /* set notifier */
101078 - notifier.notifier_call = cgw_notifier;
101079 register_netdevice_notifier(&notifier);
101080
101081 if (__rtnl_register(PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, NULL)) {
101082 diff --git a/net/can/proc.c b/net/can/proc.c
101083 index 1a19b98..df2b4ec 100644
101084 --- a/net/can/proc.c
101085 +++ b/net/can/proc.c
101086 @@ -514,7 +514,7 @@ static void can_remove_proc_readentry(const char *name)
101087 void can_init_proc(void)
101088 {
101089 /* create /proc/net/can directory */
101090 - can_dir = proc_mkdir("can", init_net.proc_net);
101091 + can_dir = proc_mkdir_restrict("can", init_net.proc_net);
101092
101093 if (!can_dir) {
101094 printk(KERN_INFO "can: failed to create /proc/net/can . "
101095 diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
101096 index 8d1653c..77ad145 100644
101097 --- a/net/ceph/messenger.c
101098 +++ b/net/ceph/messenger.c
101099 @@ -188,7 +188,7 @@ static void con_fault(struct ceph_connection *con);
101100 #define MAX_ADDR_STR_LEN 64 /* 54 is enough */
101101
101102 static char addr_str[ADDR_STR_COUNT][MAX_ADDR_STR_LEN];
101103 -static atomic_t addr_str_seq = ATOMIC_INIT(0);
101104 +static atomic_unchecked_t addr_str_seq = ATOMIC_INIT(0);
101105
101106 static struct page *zero_page; /* used in certain error cases */
101107
101108 @@ -199,7 +199,7 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss)
101109 struct sockaddr_in *in4 = (struct sockaddr_in *) ss;
101110 struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) ss;
101111
101112 - i = atomic_inc_return(&addr_str_seq) & ADDR_STR_COUNT_MASK;
101113 + i = atomic_inc_return_unchecked(&addr_str_seq) & ADDR_STR_COUNT_MASK;
101114 s = addr_str[i];
101115
101116 switch (ss->ss_family) {
101117 diff --git a/net/compat.c b/net/compat.c
101118 index bc8aeef..f9c070c 100644
101119 --- a/net/compat.c
101120 +++ b/net/compat.c
101121 @@ -73,9 +73,9 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
101122 return -EFAULT;
101123 if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))
101124 kmsg->msg_namelen = sizeof(struct sockaddr_storage);
101125 - kmsg->msg_name = compat_ptr(tmp1);
101126 - kmsg->msg_iov = compat_ptr(tmp2);
101127 - kmsg->msg_control = compat_ptr(tmp3);
101128 + kmsg->msg_name = (void __force_kernel *)compat_ptr(tmp1);
101129 + kmsg->msg_iov = (void __force_kernel *)compat_ptr(tmp2);
101130 + kmsg->msg_control = (void __force_kernel *)compat_ptr(tmp3);
101131 return 0;
101132 }
101133
101134 @@ -87,7 +87,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
101135
101136 if (kern_msg->msg_name && kern_msg->msg_namelen) {
101137 if (mode == VERIFY_READ) {
101138 - int err = move_addr_to_kernel(kern_msg->msg_name,
101139 + int err = move_addr_to_kernel((void __force_user *)kern_msg->msg_name,
101140 kern_msg->msg_namelen,
101141 kern_address);
101142 if (err < 0)
101143 @@ -100,7 +100,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
101144 }
101145
101146 tot_len = iov_from_user_compat_to_kern(kern_iov,
101147 - (struct compat_iovec __user *)kern_msg->msg_iov,
101148 + (struct compat_iovec __force_user *)kern_msg->msg_iov,
101149 kern_msg->msg_iovlen);
101150 if (tot_len >= 0)
101151 kern_msg->msg_iov = kern_iov;
101152 @@ -120,20 +120,20 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
101153
101154 #define CMSG_COMPAT_FIRSTHDR(msg) \
101155 (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \
101156 - (struct compat_cmsghdr __user *)((msg)->msg_control) : \
101157 + (struct compat_cmsghdr __force_user *)((msg)->msg_control) : \
101158 (struct compat_cmsghdr __user *)NULL)
101159
101160 #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \
101161 ((ucmlen) >= sizeof(struct compat_cmsghdr) && \
101162 (ucmlen) <= (unsigned long) \
101163 ((mhdr)->msg_controllen - \
101164 - ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
101165 + ((char __force_kernel *)(ucmsg) - (char *)(mhdr)->msg_control)))
101166
101167 static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg,
101168 struct compat_cmsghdr __user *cmsg, int cmsg_len)
101169 {
101170 char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len);
101171 - if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) >
101172 + if ((unsigned long)(ptr + 1 - (char __force_user *)msg->msg_control) >
101173 msg->msg_controllen)
101174 return NULL;
101175 return (struct compat_cmsghdr __user *)ptr;
101176 @@ -223,7 +223,7 @@ Efault:
101177
101178 int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
101179 {
101180 - struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
101181 + struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
101182 struct compat_cmsghdr cmhdr;
101183 struct compat_timeval ctv;
101184 struct compat_timespec cts[3];
101185 @@ -279,7 +279,7 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
101186
101187 void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
101188 {
101189 - struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
101190 + struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control;
101191 int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int);
101192 int fdnum = scm->fp->count;
101193 struct file **fp = scm->fp->fp;
101194 @@ -367,7 +367,7 @@ static int do_set_sock_timeout(struct socket *sock, int level,
101195 return -EFAULT;
101196 old_fs = get_fs();
101197 set_fs(KERNEL_DS);
101198 - err = sock_setsockopt(sock, level, optname, (char *)&ktime, sizeof(ktime));
101199 + err = sock_setsockopt(sock, level, optname, (char __force_user *)&ktime, sizeof(ktime));
101200 set_fs(old_fs);
101201
101202 return err;
101203 @@ -428,7 +428,7 @@ static int do_get_sock_timeout(struct socket *sock, int level, int optname,
101204 len = sizeof(ktime);
101205 old_fs = get_fs();
101206 set_fs(KERNEL_DS);
101207 - err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len);
101208 + err = sock_getsockopt(sock, level, optname, (char __force_user *) &ktime, (int __force_user *)&len);
101209 set_fs(old_fs);
101210
101211 if (!err) {
101212 @@ -571,7 +571,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
101213 case MCAST_JOIN_GROUP:
101214 case MCAST_LEAVE_GROUP:
101215 {
101216 - struct compat_group_req __user *gr32 = (void *)optval;
101217 + struct compat_group_req __user *gr32 = (void __user *)optval;
101218 struct group_req __user *kgr =
101219 compat_alloc_user_space(sizeof(struct group_req));
101220 u32 interface;
101221 @@ -592,7 +592,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
101222 case MCAST_BLOCK_SOURCE:
101223 case MCAST_UNBLOCK_SOURCE:
101224 {
101225 - struct compat_group_source_req __user *gsr32 = (void *)optval;
101226 + struct compat_group_source_req __user *gsr32 = (void __user *)optval;
101227 struct group_source_req __user *kgsr = compat_alloc_user_space(
101228 sizeof(struct group_source_req));
101229 u32 interface;
101230 @@ -613,7 +613,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
101231 }
101232 case MCAST_MSFILTER:
101233 {
101234 - struct compat_group_filter __user *gf32 = (void *)optval;
101235 + struct compat_group_filter __user *gf32 = (void __user *)optval;
101236 struct group_filter __user *kgf;
101237 u32 interface, fmode, numsrc;
101238
101239 @@ -651,7 +651,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname,
101240 char __user *optval, int __user *optlen,
101241 int (*getsockopt)(struct sock *, int, int, char __user *, int __user *))
101242 {
101243 - struct compat_group_filter __user *gf32 = (void *)optval;
101244 + struct compat_group_filter __user *gf32 = (void __user *)optval;
101245 struct group_filter __user *kgf;
101246 int __user *koptlen;
101247 u32 interface, fmode, numsrc;
101248 @@ -804,7 +804,7 @@ COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args)
101249
101250 if (call < SYS_SOCKET || call > SYS_SENDMMSG)
101251 return -EINVAL;
101252 - if (copy_from_user(a, args, nas[call]))
101253 + if (nas[call] > sizeof a || copy_from_user(a, args, nas[call]))
101254 return -EFAULT;
101255 a0 = a[0];
101256 a1 = a[1];
101257 diff --git a/net/core/datagram.c b/net/core/datagram.c
101258 index fdbc9a8..cd6972c 100644
101259 --- a/net/core/datagram.c
101260 +++ b/net/core/datagram.c
101261 @@ -301,7 +301,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
101262 }
101263
101264 kfree_skb(skb);
101265 - atomic_inc(&sk->sk_drops);
101266 + atomic_inc_unchecked(&sk->sk_drops);
101267 sk_mem_reclaim_partial(sk);
101268
101269 return err;
101270 diff --git a/net/core/dev.c b/net/core/dev.c
101271 index 8440968..d1d6bea 100644
101272 --- a/net/core/dev.c
101273 +++ b/net/core/dev.c
101274 @@ -1683,14 +1683,14 @@ int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
101275 {
101276 if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
101277 if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
101278 - atomic_long_inc(&dev->rx_dropped);
101279 + atomic_long_inc_unchecked(&dev->rx_dropped);
101280 kfree_skb(skb);
101281 return NET_RX_DROP;
101282 }
101283 }
101284
101285 if (unlikely(!is_skb_forwardable(dev, skb))) {
101286 - atomic_long_inc(&dev->rx_dropped);
101287 + atomic_long_inc_unchecked(&dev->rx_dropped);
101288 kfree_skb(skb);
101289 return NET_RX_DROP;
101290 }
101291 @@ -2994,7 +2994,7 @@ recursion_alert:
101292 drop:
101293 rcu_read_unlock_bh();
101294
101295 - atomic_long_inc(&dev->tx_dropped);
101296 + atomic_long_inc_unchecked(&dev->tx_dropped);
101297 kfree_skb_list(skb);
101298 return rc;
101299 out:
101300 @@ -3337,7 +3337,7 @@ enqueue:
101301
101302 local_irq_restore(flags);
101303
101304 - atomic_long_inc(&skb->dev->rx_dropped);
101305 + atomic_long_inc_unchecked(&skb->dev->rx_dropped);
101306 kfree_skb(skb);
101307 return NET_RX_DROP;
101308 }
101309 @@ -3414,7 +3414,7 @@ int netif_rx_ni(struct sk_buff *skb)
101310 }
101311 EXPORT_SYMBOL(netif_rx_ni);
101312
101313 -static void net_tx_action(struct softirq_action *h)
101314 +static __latent_entropy void net_tx_action(void)
101315 {
101316 struct softnet_data *sd = this_cpu_ptr(&softnet_data);
101317
101318 @@ -3747,7 +3747,7 @@ ncls:
101319 ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
101320 } else {
101321 drop:
101322 - atomic_long_inc(&skb->dev->rx_dropped);
101323 + atomic_long_inc_unchecked(&skb->dev->rx_dropped);
101324 kfree_skb(skb);
101325 /* Jamal, now you will not able to escape explaining
101326 * me how you were going to use this. :-)
101327 @@ -4511,7 +4511,7 @@ void netif_napi_del(struct napi_struct *napi)
101328 }
101329 EXPORT_SYMBOL(netif_napi_del);
101330
101331 -static void net_rx_action(struct softirq_action *h)
101332 +static __latent_entropy void net_rx_action(void)
101333 {
101334 struct softnet_data *sd = this_cpu_ptr(&softnet_data);
101335 unsigned long time_limit = jiffies + 2;
101336 @@ -6557,8 +6557,8 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
101337 } else {
101338 netdev_stats_to_stats64(storage, &dev->stats);
101339 }
101340 - storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
101341 - storage->tx_dropped += atomic_long_read(&dev->tx_dropped);
101342 + storage->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped);
101343 + storage->tx_dropped += atomic_long_read_unchecked(&dev->tx_dropped);
101344 return storage;
101345 }
101346 EXPORT_SYMBOL(dev_get_stats);
101347 diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
101348 index 72e899a..79a9409 100644
101349 --- a/net/core/dev_ioctl.c
101350 +++ b/net/core/dev_ioctl.c
101351 @@ -365,8 +365,13 @@ void dev_load(struct net *net, const char *name)
101352 no_module = !dev;
101353 if (no_module && capable(CAP_NET_ADMIN))
101354 no_module = request_module("netdev-%s", name);
101355 - if (no_module && capable(CAP_SYS_MODULE))
101356 + if (no_module && capable(CAP_SYS_MODULE)) {
101357 +#ifdef CONFIG_GRKERNSEC_MODHARDEN
101358 + ___request_module(true, "grsec_modharden_netdev", "%s", name);
101359 +#else
101360 request_module("%s", name);
101361 +#endif
101362 + }
101363 }
101364 EXPORT_SYMBOL(dev_load);
101365
101366 diff --git a/net/core/filter.c b/net/core/filter.c
101367 index 647b122..18a7ff6 100644
101368 --- a/net/core/filter.c
101369 +++ b/net/core/filter.c
101370 @@ -532,7 +532,11 @@ do_pass:
101371
101372 /* Unkown instruction. */
101373 default:
101374 - goto err;
101375 + WARN(1, KERN_ALERT "Unknown sock filter code:%u jt:%u tf:%u k:%u\n",
101376 + fp->code, fp->jt, fp->jf, fp->k);
101377 + kfree(addrs);
101378 + BUG();
101379 + return -EINVAL;
101380 }
101381
101382 insn++;
101383 @@ -576,7 +580,7 @@ static int check_load_and_stores(const struct sock_filter *filter, int flen)
101384 u16 *masks, memvalid = 0; /* One bit per cell, 16 cells */
101385 int pc, ret = 0;
101386
101387 - BUILD_BUG_ON(BPF_MEMWORDS > 16);
101388 + BUILD_BUG_ON(BPF_MEMWORDS != 16);
101389
101390 masks = kmalloc_array(flen, sizeof(*masks), GFP_KERNEL);
101391 if (!masks)
101392 @@ -987,7 +991,7 @@ int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog)
101393 if (!fp)
101394 return -ENOMEM;
101395
101396 - memcpy(fp->insns, fprog->filter, fsize);
101397 + memcpy(fp->insns, (void __force_kernel *)fprog->filter, fsize);
101398
101399 fp->len = fprog->len;
101400 /* Since unattached filters are not copied back to user
101401 diff --git a/net/core/flow.c b/net/core/flow.c
101402 index a0348fd..6951c76 100644
101403 --- a/net/core/flow.c
101404 +++ b/net/core/flow.c
101405 @@ -65,7 +65,7 @@ static void flow_cache_new_hashrnd(unsigned long arg)
101406 static int flow_entry_valid(struct flow_cache_entry *fle,
101407 struct netns_xfrm *xfrm)
101408 {
101409 - if (atomic_read(&xfrm->flow_cache_genid) != fle->genid)
101410 + if (atomic_read_unchecked(&xfrm->flow_cache_genid) != fle->genid)
101411 return 0;
101412 if (fle->object && !fle->object->ops->check(fle->object))
101413 return 0;
101414 @@ -242,7 +242,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
101415 hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]);
101416 fcp->hash_count++;
101417 }
101418 - } else if (likely(fle->genid == atomic_read(&net->xfrm.flow_cache_genid))) {
101419 + } else if (likely(fle->genid == atomic_read_unchecked(&net->xfrm.flow_cache_genid))) {
101420 flo = fle->object;
101421 if (!flo)
101422 goto ret_object;
101423 @@ -263,7 +263,7 @@ nocache:
101424 }
101425 flo = resolver(net, key, family, dir, flo, ctx);
101426 if (fle) {
101427 - fle->genid = atomic_read(&net->xfrm.flow_cache_genid);
101428 + fle->genid = atomic_read_unchecked(&net->xfrm.flow_cache_genid);
101429 if (!IS_ERR(flo))
101430 fle->object = flo;
101431 else
101432 diff --git a/net/core/iovec.c b/net/core/iovec.c
101433 index e1ec45a..e5c6f16 100644
101434 --- a/net/core/iovec.c
101435 +++ b/net/core/iovec.c
101436 @@ -42,7 +42,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
101437 if (m->msg_name && m->msg_namelen) {
101438 if (mode == VERIFY_READ) {
101439 void __user *namep;
101440 - namep = (void __user __force *) m->msg_name;
101441 + namep = (void __force_user *) m->msg_name;
101442 err = move_addr_to_kernel(namep, m->msg_namelen,
101443 address);
101444 if (err < 0)
101445 @@ -55,7 +55,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a
101446 }
101447
101448 size = m->msg_iovlen * sizeof(struct iovec);
101449 - if (copy_from_user(iov, (void __user __force *) m->msg_iov, size))
101450 + if (copy_from_user(iov, (void __force_user *) m->msg_iov, size))
101451 return -EFAULT;
101452
101453 m->msg_iov = iov;
101454 diff --git a/net/core/neighbour.c b/net/core/neighbour.c
101455 index ef31fef..8be66d9 100644
101456 --- a/net/core/neighbour.c
101457 +++ b/net/core/neighbour.c
101458 @@ -2825,7 +2825,7 @@ static int proc_unres_qlen(struct ctl_table *ctl, int write,
101459 void __user *buffer, size_t *lenp, loff_t *ppos)
101460 {
101461 int size, ret;
101462 - struct ctl_table tmp = *ctl;
101463 + ctl_table_no_const tmp = *ctl;
101464
101465 tmp.extra1 = &zero;
101466 tmp.extra2 = &unres_qlen_max;
101467 @@ -2887,7 +2887,7 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write,
101468 void __user *buffer,
101469 size_t *lenp, loff_t *ppos)
101470 {
101471 - struct ctl_table tmp = *ctl;
101472 + ctl_table_no_const tmp = *ctl;
101473 int ret;
101474
101475 tmp.extra1 = &zero;
101476 diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
101477 index 2bf8329..2eb1423 100644
101478 --- a/net/core/net-procfs.c
101479 +++ b/net/core/net-procfs.c
101480 @@ -79,7 +79,13 @@ static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
101481 struct rtnl_link_stats64 temp;
101482 const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
101483
101484 - seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
101485 + if (gr_proc_is_restricted())
101486 + seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
101487 + "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
101488 + dev->name, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL,
101489 + 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL);
101490 + else
101491 + seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
101492 "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
101493 dev->name, stats->rx_bytes, stats->rx_packets,
101494 stats->rx_errors,
101495 @@ -166,7 +172,7 @@ static int softnet_seq_show(struct seq_file *seq, void *v)
101496 return 0;
101497 }
101498
101499 -static const struct seq_operations dev_seq_ops = {
101500 +const struct seq_operations dev_seq_ops = {
101501 .start = dev_seq_start,
101502 .next = dev_seq_next,
101503 .stop = dev_seq_stop,
101504 @@ -196,7 +202,7 @@ static const struct seq_operations softnet_seq_ops = {
101505
101506 static int softnet_seq_open(struct inode *inode, struct file *file)
101507 {
101508 - return seq_open(file, &softnet_seq_ops);
101509 + return seq_open_restrict(file, &softnet_seq_ops);
101510 }
101511
101512 static const struct file_operations softnet_seq_fops = {
101513 @@ -283,8 +289,13 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
101514 else
101515 seq_printf(seq, "%04x", ntohs(pt->type));
101516
101517 +#ifdef CONFIG_GRKERNSEC_HIDESYM
101518 + seq_printf(seq, " %-8s %pf\n",
101519 + pt->dev ? pt->dev->name : "", NULL);
101520 +#else
101521 seq_printf(seq, " %-8s %pf\n",
101522 pt->dev ? pt->dev->name : "", pt->func);
101523 +#endif
101524 }
101525
101526 return 0;
101527 diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
101528 index 9dd0669..c52fb1b 100644
101529 --- a/net/core/net-sysfs.c
101530 +++ b/net/core/net-sysfs.c
101531 @@ -278,7 +278,7 @@ static ssize_t carrier_changes_show(struct device *dev,
101532 {
101533 struct net_device *netdev = to_net_dev(dev);
101534 return sprintf(buf, fmt_dec,
101535 - atomic_read(&netdev->carrier_changes));
101536 + atomic_read_unchecked(&netdev->carrier_changes));
101537 }
101538 static DEVICE_ATTR_RO(carrier_changes);
101539
101540 diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
101541 index 7f15517..f7d65c0 100644
101542 --- a/net/core/net_namespace.c
101543 +++ b/net/core/net_namespace.c
101544 @@ -445,7 +445,7 @@ static int __register_pernet_operations(struct list_head *list,
101545 int error;
101546 LIST_HEAD(net_exit_list);
101547
101548 - list_add_tail(&ops->list, list);
101549 + pax_list_add_tail((struct list_head *)&ops->list, list);
101550 if (ops->init || (ops->id && ops->size)) {
101551 for_each_net(net) {
101552 error = ops_init(ops, net);
101553 @@ -458,7 +458,7 @@ static int __register_pernet_operations(struct list_head *list,
101554
101555 out_undo:
101556 /* If I have an error cleanup all namespaces I initialized */
101557 - list_del(&ops->list);
101558 + pax_list_del((struct list_head *)&ops->list);
101559 ops_exit_list(ops, &net_exit_list);
101560 ops_free_list(ops, &net_exit_list);
101561 return error;
101562 @@ -469,7 +469,7 @@ static void __unregister_pernet_operations(struct pernet_operations *ops)
101563 struct net *net;
101564 LIST_HEAD(net_exit_list);
101565
101566 - list_del(&ops->list);
101567 + pax_list_del((struct list_head *)&ops->list);
101568 for_each_net(net)
101569 list_add_tail(&net->exit_list, &net_exit_list);
101570 ops_exit_list(ops, &net_exit_list);
101571 @@ -603,7 +603,7 @@ int register_pernet_device(struct pernet_operations *ops)
101572 mutex_lock(&net_mutex);
101573 error = register_pernet_operations(&pernet_list, ops);
101574 if (!error && (first_device == &pernet_list))
101575 - first_device = &ops->list;
101576 + first_device = (struct list_head *)&ops->list;
101577 mutex_unlock(&net_mutex);
101578 return error;
101579 }
101580 diff --git a/net/core/netpoll.c b/net/core/netpoll.c
101581 index e6645b4..43e1af9 100644
101582 --- a/net/core/netpoll.c
101583 +++ b/net/core/netpoll.c
101584 @@ -379,7 +379,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
101585 struct udphdr *udph;
101586 struct iphdr *iph;
101587 struct ethhdr *eth;
101588 - static atomic_t ip_ident;
101589 + static atomic_unchecked_t ip_ident;
101590 struct ipv6hdr *ip6h;
101591
101592 udp_len = len + sizeof(*udph);
101593 @@ -450,7 +450,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
101594 put_unaligned(0x45, (unsigned char *)iph);
101595 iph->tos = 0;
101596 put_unaligned(htons(ip_len), &(iph->tot_len));
101597 - iph->id = htons(atomic_inc_return(&ip_ident));
101598 + iph->id = htons(atomic_inc_return_unchecked(&ip_ident));
101599 iph->frag_off = 0;
101600 iph->ttl = 64;
101601 iph->protocol = IPPROTO_UDP;
101602 diff --git a/net/core/pktgen.c b/net/core/pktgen.c
101603 index 443256b..bbff424 100644
101604 --- a/net/core/pktgen.c
101605 +++ b/net/core/pktgen.c
101606 @@ -3753,7 +3753,7 @@ static int __net_init pg_net_init(struct net *net)
101607 pn->net = net;
101608 INIT_LIST_HEAD(&pn->pktgen_threads);
101609 pn->pktgen_exiting = false;
101610 - pn->proc_dir = proc_mkdir(PG_PROC_DIR, pn->net->proc_net);
101611 + pn->proc_dir = proc_mkdir_restrict(PG_PROC_DIR, pn->net->proc_net);
101612 if (!pn->proc_dir) {
101613 pr_warn("cannot create /proc/net/%s\n", PG_PROC_DIR);
101614 return -ENODEV;
101615 diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
101616 index 76321ea..3129bd6 100644
101617 --- a/net/core/rtnetlink.c
101618 +++ b/net/core/rtnetlink.c
101619 @@ -58,7 +58,7 @@ struct rtnl_link {
101620 rtnl_doit_func doit;
101621 rtnl_dumpit_func dumpit;
101622 rtnl_calcit_func calcit;
101623 -};
101624 +} __no_const;
101625
101626 static DEFINE_MUTEX(rtnl_mutex);
101627
101628 @@ -304,10 +304,13 @@ int __rtnl_link_register(struct rtnl_link_ops *ops)
101629 * to use the ops for creating device. So do not
101630 * fill up dellink as well. That disables rtnl_dellink.
101631 */
101632 - if (ops->setup && !ops->dellink)
101633 - ops->dellink = unregister_netdevice_queue;
101634 + if (ops->setup && !ops->dellink) {
101635 + pax_open_kernel();
101636 + *(void **)&ops->dellink = unregister_netdevice_queue;
101637 + pax_close_kernel();
101638 + }
101639
101640 - list_add_tail(&ops->list, &link_ops);
101641 + pax_list_add_tail((struct list_head *)&ops->list, &link_ops);
101642 return 0;
101643 }
101644 EXPORT_SYMBOL_GPL(__rtnl_link_register);
101645 @@ -354,7 +357,7 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
101646 for_each_net(net) {
101647 __rtnl_kill_links(net, ops);
101648 }
101649 - list_del(&ops->list);
101650 + pax_list_del((struct list_head *)&ops->list);
101651 }
101652 EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
101653
101654 @@ -1014,7 +1017,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
101655 (dev->ifalias &&
101656 nla_put_string(skb, IFLA_IFALIAS, dev->ifalias)) ||
101657 nla_put_u32(skb, IFLA_CARRIER_CHANGES,
101658 - atomic_read(&dev->carrier_changes)))
101659 + atomic_read_unchecked(&dev->carrier_changes)))
101660 goto nla_put_failure;
101661
101662 if (1) {
101663 diff --git a/net/core/scm.c b/net/core/scm.c
101664 index b442e7e..6f5b5a2 100644
101665 --- a/net/core/scm.c
101666 +++ b/net/core/scm.c
101667 @@ -210,7 +210,7 @@ EXPORT_SYMBOL(__scm_send);
101668 int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
101669 {
101670 struct cmsghdr __user *cm
101671 - = (__force struct cmsghdr __user *)msg->msg_control;
101672 + = (struct cmsghdr __force_user *)msg->msg_control;
101673 struct cmsghdr cmhdr;
101674 int cmlen = CMSG_LEN(len);
101675 int err;
101676 @@ -233,7 +233,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
101677 err = -EFAULT;
101678 if (copy_to_user(cm, &cmhdr, sizeof cmhdr))
101679 goto out;
101680 - if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr)))
101681 + if (copy_to_user((void __force_user *)CMSG_DATA((void __force_kernel *)cm), data, cmlen - sizeof(struct cmsghdr)))
101682 goto out;
101683 cmlen = CMSG_SPACE(len);
101684 if (msg->msg_controllen < cmlen)
101685 @@ -249,7 +249,7 @@ EXPORT_SYMBOL(put_cmsg);
101686 void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
101687 {
101688 struct cmsghdr __user *cm
101689 - = (__force struct cmsghdr __user*)msg->msg_control;
101690 + = (struct cmsghdr __force_user *)msg->msg_control;
101691
101692 int fdmax = 0;
101693 int fdnum = scm->fp->count;
101694 @@ -269,7 +269,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
101695 if (fdnum < fdmax)
101696 fdmax = fdnum;
101697
101698 - for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax;
101699 + for (i=0, cmfptr=(int __force_user *)CMSG_DATA((void __force_kernel *)cm); i<fdmax;
101700 i++, cmfptr++)
101701 {
101702 struct socket *sock;
101703 diff --git a/net/core/skbuff.c b/net/core/skbuff.c
101704 index d7543d0..ff96aec 100644
101705 --- a/net/core/skbuff.c
101706 +++ b/net/core/skbuff.c
101707 @@ -2025,7 +2025,7 @@ EXPORT_SYMBOL(__skb_checksum);
101708 __wsum skb_checksum(const struct sk_buff *skb, int offset,
101709 int len, __wsum csum)
101710 {
101711 - const struct skb_checksum_ops ops = {
101712 + static const struct skb_checksum_ops ops = {
101713 .update = csum_partial_ext,
101714 .combine = csum_block_add_ext,
101715 };
101716 @@ -3255,12 +3255,14 @@ void __init skb_init(void)
101717 skbuff_head_cache = kmem_cache_create("skbuff_head_cache",
101718 sizeof(struct sk_buff),
101719 0,
101720 - SLAB_HWCACHE_ALIGN|SLAB_PANIC,
101721 + SLAB_HWCACHE_ALIGN|SLAB_PANIC|
101722 + SLAB_NO_SANITIZE,
101723 NULL);
101724 skbuff_fclone_cache = kmem_cache_create("skbuff_fclone_cache",
101725 sizeof(struct sk_buff_fclones),
101726 0,
101727 - SLAB_HWCACHE_ALIGN|SLAB_PANIC,
101728 + SLAB_HWCACHE_ALIGN|SLAB_PANIC|
101729 + SLAB_NO_SANITIZE,
101730 NULL);
101731 }
101732
101733 diff --git a/net/core/sock.c b/net/core/sock.c
101734 index 15e0c67..0310f4a 100644
101735 --- a/net/core/sock.c
101736 +++ b/net/core/sock.c
101737 @@ -441,7 +441,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
101738 struct sk_buff_head *list = &sk->sk_receive_queue;
101739
101740 if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
101741 - atomic_inc(&sk->sk_drops);
101742 + atomic_inc_unchecked(&sk->sk_drops);
101743 trace_sock_rcvqueue_full(sk, skb);
101744 return -ENOMEM;
101745 }
101746 @@ -451,7 +451,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
101747 return err;
101748
101749 if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
101750 - atomic_inc(&sk->sk_drops);
101751 + atomic_inc_unchecked(&sk->sk_drops);
101752 return -ENOBUFS;
101753 }
101754
101755 @@ -464,7 +464,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
101756 skb_dst_force(skb);
101757
101758 spin_lock_irqsave(&list->lock, flags);
101759 - skb->dropcount = atomic_read(&sk->sk_drops);
101760 + skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
101761 __skb_queue_tail(list, skb);
101762 spin_unlock_irqrestore(&list->lock, flags);
101763
101764 @@ -484,7 +484,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
101765 skb->dev = NULL;
101766
101767 if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
101768 - atomic_inc(&sk->sk_drops);
101769 + atomic_inc_unchecked(&sk->sk_drops);
101770 goto discard_and_relse;
101771 }
101772 if (nested)
101773 @@ -502,7 +502,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
101774 mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
101775 } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
101776 bh_unlock_sock(sk);
101777 - atomic_inc(&sk->sk_drops);
101778 + atomic_inc_unchecked(&sk->sk_drops);
101779 goto discard_and_relse;
101780 }
101781
101782 @@ -991,12 +991,12 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
101783 struct timeval tm;
101784 } v;
101785
101786 - int lv = sizeof(int);
101787 - int len;
101788 + unsigned int lv = sizeof(int);
101789 + unsigned int len;
101790
101791 if (get_user(len, optlen))
101792 return -EFAULT;
101793 - if (len < 0)
101794 + if (len > INT_MAX)
101795 return -EINVAL;
101796
101797 memset(&v, 0, sizeof(v));
101798 @@ -1134,11 +1134,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
101799
101800 case SO_PEERNAME:
101801 {
101802 - char address[128];
101803 + char address[_K_SS_MAXSIZE];
101804
101805 if (sock->ops->getname(sock, (struct sockaddr *)address, &lv, 2))
101806 return -ENOTCONN;
101807 - if (lv < len)
101808 + if (lv < len || sizeof address < len)
101809 return -EINVAL;
101810 if (copy_to_user(optval, address, len))
101811 return -EFAULT;
101812 @@ -1219,7 +1219,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
101813
101814 if (len > lv)
101815 len = lv;
101816 - if (copy_to_user(optval, &v, len))
101817 + if (len > sizeof(v) || copy_to_user(optval, &v, len))
101818 return -EFAULT;
101819 lenout:
101820 if (put_user(len, optlen))
101821 @@ -2315,7 +2315,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
101822 */
101823 smp_wmb();
101824 atomic_set(&sk->sk_refcnt, 1);
101825 - atomic_set(&sk->sk_drops, 0);
101826 + atomic_set_unchecked(&sk->sk_drops, 0);
101827 }
101828 EXPORT_SYMBOL(sock_init_data);
101829
101830 @@ -2443,6 +2443,7 @@ void sock_enable_timestamp(struct sock *sk, int flag)
101831 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len,
101832 int level, int type)
101833 {
101834 + struct sock_extended_err ee;
101835 struct sock_exterr_skb *serr;
101836 struct sk_buff *skb;
101837 int copied, err;
101838 @@ -2464,7 +2465,8 @@ int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len,
101839 sock_recv_timestamp(msg, sk, skb);
101840
101841 serr = SKB_EXT_ERR(skb);
101842 - put_cmsg(msg, level, type, sizeof(serr->ee), &serr->ee);
101843 + ee = serr->ee;
101844 + put_cmsg(msg, level, type, sizeof ee, &ee);
101845
101846 msg->msg_flags |= MSG_ERRQUEUE;
101847 err = copied;
101848 diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
101849 index ad704c7..ca48aff 100644
101850 --- a/net/core/sock_diag.c
101851 +++ b/net/core/sock_diag.c
101852 @@ -9,26 +9,33 @@
101853 #include <linux/inet_diag.h>
101854 #include <linux/sock_diag.h>
101855
101856 -static const struct sock_diag_handler *sock_diag_handlers[AF_MAX];
101857 +static const struct sock_diag_handler *sock_diag_handlers[AF_MAX] __read_only;
101858 static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh);
101859 static DEFINE_MUTEX(sock_diag_table_mutex);
101860
101861 int sock_diag_check_cookie(void *sk, __u32 *cookie)
101862 {
101863 +#ifndef CONFIG_GRKERNSEC_HIDESYM
101864 if ((cookie[0] != INET_DIAG_NOCOOKIE ||
101865 cookie[1] != INET_DIAG_NOCOOKIE) &&
101866 ((u32)(unsigned long)sk != cookie[0] ||
101867 (u32)((((unsigned long)sk) >> 31) >> 1) != cookie[1]))
101868 return -ESTALE;
101869 else
101870 +#endif
101871 return 0;
101872 }
101873 EXPORT_SYMBOL_GPL(sock_diag_check_cookie);
101874
101875 void sock_diag_save_cookie(void *sk, __u32 *cookie)
101876 {
101877 +#ifdef CONFIG_GRKERNSEC_HIDESYM
101878 + cookie[0] = 0;
101879 + cookie[1] = 0;
101880 +#else
101881 cookie[0] = (u32)(unsigned long)sk;
101882 cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
101883 +#endif
101884 }
101885 EXPORT_SYMBOL_GPL(sock_diag_save_cookie);
101886
101887 @@ -110,8 +117,11 @@ int sock_diag_register(const struct sock_diag_handler *hndl)
101888 mutex_lock(&sock_diag_table_mutex);
101889 if (sock_diag_handlers[hndl->family])
101890 err = -EBUSY;
101891 - else
101892 + else {
101893 + pax_open_kernel();
101894 sock_diag_handlers[hndl->family] = hndl;
101895 + pax_close_kernel();
101896 + }
101897 mutex_unlock(&sock_diag_table_mutex);
101898
101899 return err;
101900 @@ -127,7 +137,9 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld)
101901
101902 mutex_lock(&sock_diag_table_mutex);
101903 BUG_ON(sock_diag_handlers[family] != hnld);
101904 + pax_open_kernel();
101905 sock_diag_handlers[family] = NULL;
101906 + pax_close_kernel();
101907 mutex_unlock(&sock_diag_table_mutex);
101908 }
101909 EXPORT_SYMBOL_GPL(sock_diag_unregister);
101910 diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
101911 index cf9cd13..50683950 100644
101912 --- a/net/core/sysctl_net_core.c
101913 +++ b/net/core/sysctl_net_core.c
101914 @@ -32,7 +32,7 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write,
101915 {
101916 unsigned int orig_size, size;
101917 int ret, i;
101918 - struct ctl_table tmp = {
101919 + ctl_table_no_const tmp = {
101920 .data = &size,
101921 .maxlen = sizeof(size),
101922 .mode = table->mode
101923 @@ -200,7 +200,7 @@ static int set_default_qdisc(struct ctl_table *table, int write,
101924 void __user *buffer, size_t *lenp, loff_t *ppos)
101925 {
101926 char id[IFNAMSIZ];
101927 - struct ctl_table tbl = {
101928 + ctl_table_no_const tbl = {
101929 .data = id,
101930 .maxlen = IFNAMSIZ,
101931 };
101932 @@ -263,7 +263,7 @@ static struct ctl_table net_core_table[] = {
101933 .mode = 0644,
101934 .proc_handler = proc_dointvec
101935 },
101936 -#ifdef CONFIG_BPF_JIT
101937 +#if defined(CONFIG_BPF_JIT) && !defined(CONFIG_GRKERNSEC_BPF_HARDEN)
101938 {
101939 .procname = "bpf_jit_enable",
101940 .data = &bpf_jit_enable,
101941 @@ -379,13 +379,12 @@ static struct ctl_table netns_core_table[] = {
101942
101943 static __net_init int sysctl_core_net_init(struct net *net)
101944 {
101945 - struct ctl_table *tbl;
101946 + ctl_table_no_const *tbl = NULL;
101947
101948 net->core.sysctl_somaxconn = SOMAXCONN;
101949
101950 - tbl = netns_core_table;
101951 if (!net_eq(net, &init_net)) {
101952 - tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
101953 + tbl = kmemdup(netns_core_table, sizeof(netns_core_table), GFP_KERNEL);
101954 if (tbl == NULL)
101955 goto err_dup;
101956
101957 @@ -395,17 +394,16 @@ static __net_init int sysctl_core_net_init(struct net *net)
101958 if (net->user_ns != &init_user_ns) {
101959 tbl[0].procname = NULL;
101960 }
101961 - }
101962 -
101963 - net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl);
101964 + net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl);
101965 + } else
101966 + net->core.sysctl_hdr = register_net_sysctl(net, "net/core", netns_core_table);
101967 if (net->core.sysctl_hdr == NULL)
101968 goto err_reg;
101969
101970 return 0;
101971
101972 err_reg:
101973 - if (tbl != netns_core_table)
101974 - kfree(tbl);
101975 + kfree(tbl);
101976 err_dup:
101977 return -ENOMEM;
101978 }
101979 @@ -420,7 +418,7 @@ static __net_exit void sysctl_core_net_exit(struct net *net)
101980 kfree(tbl);
101981 }
101982
101983 -static __net_initdata struct pernet_operations sysctl_core_ops = {
101984 +static __net_initconst struct pernet_operations sysctl_core_ops = {
101985 .init = sysctl_core_net_init,
101986 .exit = sysctl_core_net_exit,
101987 };
101988 diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
101989 index 25733d5..b9360f0 100644
101990 --- a/net/decnet/af_decnet.c
101991 +++ b/net/decnet/af_decnet.c
101992 @@ -466,6 +466,7 @@ static struct proto dn_proto = {
101993 .sysctl_rmem = sysctl_decnet_rmem,
101994 .max_header = DN_MAX_NSP_DATA_HEADER + 64,
101995 .obj_size = sizeof(struct dn_sock),
101996 + .slab_flags = SLAB_USERCOPY,
101997 };
101998
101999 static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp)
102000 diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
102001 index 4400da7..3429972 100644
102002 --- a/net/decnet/dn_dev.c
102003 +++ b/net/decnet/dn_dev.c
102004 @@ -201,7 +201,7 @@ static struct dn_dev_sysctl_table {
102005 .extra1 = &min_t3,
102006 .extra2 = &max_t3
102007 },
102008 - {0}
102009 + { }
102010 },
102011 };
102012
102013 diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
102014 index 5325b54..a0d4d69 100644
102015 --- a/net/decnet/sysctl_net_decnet.c
102016 +++ b/net/decnet/sysctl_net_decnet.c
102017 @@ -174,7 +174,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
102018
102019 if (len > *lenp) len = *lenp;
102020
102021 - if (copy_to_user(buffer, addr, len))
102022 + if (len > sizeof addr || copy_to_user(buffer, addr, len))
102023 return -EFAULT;
102024
102025 *lenp = len;
102026 @@ -237,7 +237,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write,
102027
102028 if (len > *lenp) len = *lenp;
102029
102030 - if (copy_to_user(buffer, devname, len))
102031 + if (len > sizeof devname || copy_to_user(buffer, devname, len))
102032 return -EFAULT;
102033
102034 *lenp = len;
102035 diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
102036 index a2c7e4c..3dc9f67 100644
102037 --- a/net/hsr/hsr_netlink.c
102038 +++ b/net/hsr/hsr_netlink.c
102039 @@ -102,7 +102,7 @@ nla_put_failure:
102040 return -EMSGSIZE;
102041 }
102042
102043 -static struct rtnl_link_ops hsr_link_ops __read_mostly = {
102044 +static struct rtnl_link_ops hsr_link_ops = {
102045 .kind = "hsr",
102046 .maxtype = IFLA_HSR_MAX,
102047 .policy = hsr_policy,
102048 diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c
102049 index 4413629..dea596a 100644
102050 --- a/net/ieee802154/6lowpan_rtnl.c
102051 +++ b/net/ieee802154/6lowpan_rtnl.c
102052 @@ -635,7 +635,7 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head)
102053 dev_put(real_dev);
102054 }
102055
102056 -static struct rtnl_link_ops lowpan_link_ops __read_mostly = {
102057 +static struct rtnl_link_ops lowpan_link_ops = {
102058 .kind = "lowpan",
102059 .priv_size = sizeof(struct lowpan_dev_info),
102060 .setup = lowpan_setup,
102061 diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c
102062 index 7cfcd68..84ca5b7 100644
102063 --- a/net/ieee802154/reassembly.c
102064 +++ b/net/ieee802154/reassembly.c
102065 @@ -433,14 +433,13 @@ static struct ctl_table lowpan_frags_ctl_table[] = {
102066
102067 static int __net_init lowpan_frags_ns_sysctl_register(struct net *net)
102068 {
102069 - struct ctl_table *table;
102070 + ctl_table_no_const *table = NULL;
102071 struct ctl_table_header *hdr;
102072 struct netns_ieee802154_lowpan *ieee802154_lowpan =
102073 net_ieee802154_lowpan(net);
102074
102075 - table = lowpan_frags_ns_ctl_table;
102076 if (!net_eq(net, &init_net)) {
102077 - table = kmemdup(table, sizeof(lowpan_frags_ns_ctl_table),
102078 + table = kmemdup(lowpan_frags_ns_ctl_table, sizeof(lowpan_frags_ns_ctl_table),
102079 GFP_KERNEL);
102080 if (table == NULL)
102081 goto err_alloc;
102082 @@ -455,9 +454,9 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net)
102083 /* Don't export sysctls to unprivileged users */
102084 if (net->user_ns != &init_user_ns)
102085 table[0].procname = NULL;
102086 - }
102087 -
102088 - hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table);
102089 + hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table);
102090 + } else
102091 + hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", lowpan_frags_ns_ctl_table);
102092 if (hdr == NULL)
102093 goto err_reg;
102094
102095 @@ -465,8 +464,7 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net)
102096 return 0;
102097
102098 err_reg:
102099 - if (!net_eq(net, &init_net))
102100 - kfree(table);
102101 + kfree(table);
102102 err_alloc:
102103 return -ENOMEM;
102104 }
102105 diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
102106 index e67da4e..da217942 100644
102107 --- a/net/ipv4/af_inet.c
102108 +++ b/net/ipv4/af_inet.c
102109 @@ -1392,7 +1392,7 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
102110 return ip_recv_error(sk, msg, len, addr_len);
102111 #if IS_ENABLED(CONFIG_IPV6)
102112 if (sk->sk_family == AF_INET6)
102113 - return pingv6_ops.ipv6_recv_error(sk, msg, len, addr_len);
102114 + return pingv6_ops->ipv6_recv_error(sk, msg, len, addr_len);
102115 #endif
102116 return -EINVAL;
102117 }
102118 diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
102119 index 214882e..ec032f6 100644
102120 --- a/net/ipv4/devinet.c
102121 +++ b/net/ipv4/devinet.c
102122 @@ -69,7 +69,8 @@
102123
102124 static struct ipv4_devconf ipv4_devconf = {
102125 .data = {
102126 - [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
102127 + [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0,
102128 + [IPV4_DEVCONF_RP_FILTER - 1] = 1,
102129 [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1,
102130 [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
102131 [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
102132 @@ -80,7 +81,8 @@ static struct ipv4_devconf ipv4_devconf = {
102133
102134 static struct ipv4_devconf ipv4_devconf_dflt = {
102135 .data = {
102136 - [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
102137 + [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0,
102138 + [IPV4_DEVCONF_RP_FILTER - 1] = 1,
102139 [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1,
102140 [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1,
102141 [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1,
102142 @@ -1548,7 +1550,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
102143 idx = 0;
102144 head = &net->dev_index_head[h];
102145 rcu_read_lock();
102146 - cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^
102147 + cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^
102148 net->dev_base_seq;
102149 hlist_for_each_entry_rcu(dev, head, index_hlist) {
102150 if (idx < s_idx)
102151 @@ -1866,7 +1868,7 @@ static int inet_netconf_dump_devconf(struct sk_buff *skb,
102152 idx = 0;
102153 head = &net->dev_index_head[h];
102154 rcu_read_lock();
102155 - cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^
102156 + cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^
102157 net->dev_base_seq;
102158 hlist_for_each_entry_rcu(dev, head, index_hlist) {
102159 if (idx < s_idx)
102160 @@ -2101,7 +2103,7 @@ static int ipv4_doint_and_flush(struct ctl_table *ctl, int write,
102161 #define DEVINET_SYSCTL_FLUSHING_ENTRY(attr, name) \
102162 DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush)
102163
102164 -static struct devinet_sysctl_table {
102165 +static const struct devinet_sysctl_table {
102166 struct ctl_table_header *sysctl_header;
102167 struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX];
102168 } devinet_sysctl = {
102169 @@ -2233,7 +2235,7 @@ static __net_init int devinet_init_net(struct net *net)
102170 int err;
102171 struct ipv4_devconf *all, *dflt;
102172 #ifdef CONFIG_SYSCTL
102173 - struct ctl_table *tbl = ctl_forward_entry;
102174 + ctl_table_no_const *tbl = NULL;
102175 struct ctl_table_header *forw_hdr;
102176 #endif
102177
102178 @@ -2251,7 +2253,7 @@ static __net_init int devinet_init_net(struct net *net)
102179 goto err_alloc_dflt;
102180
102181 #ifdef CONFIG_SYSCTL
102182 - tbl = kmemdup(tbl, sizeof(ctl_forward_entry), GFP_KERNEL);
102183 + tbl = kmemdup(ctl_forward_entry, sizeof(ctl_forward_entry), GFP_KERNEL);
102184 if (tbl == NULL)
102185 goto err_alloc_ctl;
102186
102187 @@ -2271,7 +2273,10 @@ static __net_init int devinet_init_net(struct net *net)
102188 goto err_reg_dflt;
102189
102190 err = -ENOMEM;
102191 - forw_hdr = register_net_sysctl(net, "net/ipv4", tbl);
102192 + if (!net_eq(net, &init_net))
102193 + forw_hdr = register_net_sysctl(net, "net/ipv4", tbl);
102194 + else
102195 + forw_hdr = register_net_sysctl(net, "net/ipv4", ctl_forward_entry);
102196 if (forw_hdr == NULL)
102197 goto err_reg_ctl;
102198 net->ipv4.forw_hdr = forw_hdr;
102199 @@ -2287,8 +2292,7 @@ err_reg_ctl:
102200 err_reg_dflt:
102201 __devinet_sysctl_unregister(all);
102202 err_reg_all:
102203 - if (tbl != ctl_forward_entry)
102204 - kfree(tbl);
102205 + kfree(tbl);
102206 err_alloc_ctl:
102207 #endif
102208 if (dflt != &ipv4_devconf_dflt)
102209 diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
102210 index 23104a3..9f5570b 100644
102211 --- a/net/ipv4/fib_frontend.c
102212 +++ b/net/ipv4/fib_frontend.c
102213 @@ -1017,12 +1017,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
102214 #ifdef CONFIG_IP_ROUTE_MULTIPATH
102215 fib_sync_up(dev);
102216 #endif
102217 - atomic_inc(&net->ipv4.dev_addr_genid);
102218 + atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
102219 rt_cache_flush(dev_net(dev));
102220 break;
102221 case NETDEV_DOWN:
102222 fib_del_ifaddr(ifa, NULL);
102223 - atomic_inc(&net->ipv4.dev_addr_genid);
102224 + atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
102225 if (ifa->ifa_dev->ifa_list == NULL) {
102226 /* Last address was deleted from this interface.
102227 * Disable IP.
102228 @@ -1060,7 +1060,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
102229 #ifdef CONFIG_IP_ROUTE_MULTIPATH
102230 fib_sync_up(dev);
102231 #endif
102232 - atomic_inc(&net->ipv4.dev_addr_genid);
102233 + atomic_inc_unchecked(&net->ipv4.dev_addr_genid);
102234 rt_cache_flush(net);
102235 break;
102236 case NETDEV_DOWN:
102237 diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
102238 index f99f41b..1879da9 100644
102239 --- a/net/ipv4/fib_semantics.c
102240 +++ b/net/ipv4/fib_semantics.c
102241 @@ -770,7 +770,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
102242 nh->nh_saddr = inet_select_addr(nh->nh_dev,
102243 nh->nh_gw,
102244 nh->nh_parent->fib_scope);
102245 - nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
102246 + nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid);
102247
102248 return nh->nh_saddr;
102249 }
102250 diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
102251 index 9111a4e..3576905 100644
102252 --- a/net/ipv4/inet_hashtables.c
102253 +++ b/net/ipv4/inet_hashtables.c
102254 @@ -18,6 +18,7 @@
102255 #include <linux/sched.h>
102256 #include <linux/slab.h>
102257 #include <linux/wait.h>
102258 +#include <linux/security.h>
102259
102260 #include <net/inet_connection_sock.h>
102261 #include <net/inet_hashtables.h>
102262 @@ -49,6 +50,8 @@ static unsigned int inet_sk_ehashfn(const struct sock *sk)
102263 return inet_ehashfn(net, laddr, lport, faddr, fport);
102264 }
102265
102266 +extern void gr_update_task_in_ip_table(const struct inet_sock *inet);
102267 +
102268 /*
102269 * Allocate and initialize a new local port bind bucket.
102270 * The bindhash mutex for snum's hash chain must be held here.
102271 @@ -554,6 +557,8 @@ ok:
102272 twrefcnt += inet_twsk_bind_unhash(tw, hinfo);
102273 spin_unlock(&head->lock);
102274
102275 + gr_update_task_in_ip_table(inet_sk(sk));
102276 +
102277 if (tw) {
102278 inet_twsk_deschedule(tw, death_row);
102279 while (twrefcnt) {
102280 diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
102281 index 241afd7..31b95d5 100644
102282 --- a/net/ipv4/inetpeer.c
102283 +++ b/net/ipv4/inetpeer.c
102284 @@ -461,7 +461,7 @@ relookup:
102285 if (p) {
102286 p->daddr = *daddr;
102287 atomic_set(&p->refcnt, 1);
102288 - atomic_set(&p->rid, 0);
102289 + atomic_set_unchecked(&p->rid, 0);
102290 p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW;
102291 p->rate_tokens = 0;
102292 /* 60*HZ is arbitrary, but chosen enough high so that the first
102293 diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
102294 index 3a83ce5..787b3c2 100644
102295 --- a/net/ipv4/ip_forward.c
102296 +++ b/net/ipv4/ip_forward.c
102297 @@ -129,7 +129,8 @@ int ip_forward(struct sk_buff *skb)
102298 * We now generate an ICMP HOST REDIRECT giving the route
102299 * we calculated.
102300 */
102301 - if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb_sec_path(skb))
102302 + if (IPCB(skb)->flags & IPSKB_DOREDIRECT && !opt->srr &&
102303 + !skb_sec_path(skb))
102304 ip_rt_send_redirect(skb);
102305
102306 skb->priority = rt_tos2priority(iph->tos);
102307 diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
102308 index 2811cc1..ad5a534 100644
102309 --- a/net/ipv4/ip_fragment.c
102310 +++ b/net/ipv4/ip_fragment.c
102311 @@ -268,7 +268,7 @@ static inline int ip_frag_too_far(struct ipq *qp)
102312 return 0;
102313
102314 start = qp->rid;
102315 - end = atomic_inc_return(&peer->rid);
102316 + end = atomic_inc_return_unchecked(&peer->rid);
102317 qp->rid = end;
102318
102319 rc = qp->q.fragments && (end - start) > max;
102320 @@ -746,12 +746,11 @@ static struct ctl_table ip4_frags_ctl_table[] = {
102321
102322 static int __net_init ip4_frags_ns_ctl_register(struct net *net)
102323 {
102324 - struct ctl_table *table;
102325 + ctl_table_no_const *table = NULL;
102326 struct ctl_table_header *hdr;
102327
102328 - table = ip4_frags_ns_ctl_table;
102329 if (!net_eq(net, &init_net)) {
102330 - table = kmemdup(table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL);
102331 + table = kmemdup(ip4_frags_ns_ctl_table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL);
102332 if (table == NULL)
102333 goto err_alloc;
102334
102335 @@ -765,9 +764,10 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net)
102336 /* Don't export sysctls to unprivileged users */
102337 if (net->user_ns != &init_user_ns)
102338 table[0].procname = NULL;
102339 - }
102340 + hdr = register_net_sysctl(net, "net/ipv4", table);
102341 + } else
102342 + hdr = register_net_sysctl(net, "net/ipv4", ip4_frags_ns_ctl_table);
102343
102344 - hdr = register_net_sysctl(net, "net/ipv4", table);
102345 if (hdr == NULL)
102346 goto err_reg;
102347
102348 @@ -775,8 +775,7 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net)
102349 return 0;
102350
102351 err_reg:
102352 - if (!net_eq(net, &init_net))
102353 - kfree(table);
102354 + kfree(table);
102355 err_alloc:
102356 return -ENOMEM;
102357 }
102358 diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
102359 index 69aaf0a..8298c029 100644
102360 --- a/net/ipv4/ip_gre.c
102361 +++ b/net/ipv4/ip_gre.c
102362 @@ -115,7 +115,7 @@ static bool log_ecn_error = true;
102363 module_param(log_ecn_error, bool, 0644);
102364 MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN");
102365
102366 -static struct rtnl_link_ops ipgre_link_ops __read_mostly;
102367 +static struct rtnl_link_ops ipgre_link_ops;
102368 static int ipgre_tunnel_init(struct net_device *dev);
102369
102370 static int ipgre_net_id __read_mostly;
102371 @@ -816,7 +816,7 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = {
102372 [IFLA_GRE_ENCAP_DPORT] = { .type = NLA_U16 },
102373 };
102374
102375 -static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
102376 +static struct rtnl_link_ops ipgre_link_ops = {
102377 .kind = "gre",
102378 .maxtype = IFLA_GRE_MAX,
102379 .policy = ipgre_policy,
102380 @@ -830,7 +830,7 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
102381 .fill_info = ipgre_fill_info,
102382 };
102383
102384 -static struct rtnl_link_ops ipgre_tap_ops __read_mostly = {
102385 +static struct rtnl_link_ops ipgre_tap_ops = {
102386 .kind = "gretap",
102387 .maxtype = IFLA_GRE_MAX,
102388 .policy = ipgre_policy,
102389 diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
102390 index 3d4da2c..40f9c29 100644
102391 --- a/net/ipv4/ip_input.c
102392 +++ b/net/ipv4/ip_input.c
102393 @@ -147,6 +147,10 @@
102394 #include <linux/mroute.h>
102395 #include <linux/netlink.h>
102396
102397 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
102398 +extern int grsec_enable_blackhole;
102399 +#endif
102400 +
102401 /*
102402 * Process Router Attention IP option (RFC 2113)
102403 */
102404 @@ -223,6 +227,9 @@ static int ip_local_deliver_finish(struct sk_buff *skb)
102405 if (!raw) {
102406 if (xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
102407 IP_INC_STATS_BH(net, IPSTATS_MIB_INUNKNOWNPROTOS);
102408 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
102409 + if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
102410 +#endif
102411 icmp_send(skb, ICMP_DEST_UNREACH,
102412 ICMP_PROT_UNREACH, 0);
102413 }
102414 diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
102415 index bc6471d..c5e8a0c 100644
102416 --- a/net/ipv4/ip_output.c
102417 +++ b/net/ipv4/ip_output.c
102418 @@ -1517,6 +1517,7 @@ static DEFINE_PER_CPU(struct inet_sock, unicast_sock) = {
102419 .sk_wmem_alloc = ATOMIC_INIT(1),
102420 .sk_allocation = GFP_ATOMIC,
102421 .sk_flags = (1UL << SOCK_USE_WRITE_QUEUE),
102422 + .sk_pacing_rate = ~0U,
102423 },
102424 .pmtudisc = IP_PMTUDISC_WANT,
102425 .uc_ttl = -1,
102426 diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
102427 index 9daf217..373d454 100644
102428 --- a/net/ipv4/ip_sockglue.c
102429 +++ b/net/ipv4/ip_sockglue.c
102430 @@ -443,15 +443,12 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
102431
102432 memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
102433 sin = &errhdr.offender;
102434 - sin->sin_family = AF_UNSPEC;
102435 + memset(sin, 0, sizeof(*sin));
102436 +
102437 if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP) {
102438 - struct inet_sock *inet = inet_sk(sk);
102439 -
102440 sin->sin_family = AF_INET;
102441 sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
102442 - sin->sin_port = 0;
102443 - memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
102444 - if (inet->cmsg_flags)
102445 + if (inet_sk(sk)->cmsg_flags)
102446 ip_cmsg_recv(msg, skb);
102447 }
102448
102449 @@ -1177,7 +1174,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
102450 len = min_t(unsigned int, len, opt->optlen);
102451 if (put_user(len, optlen))
102452 return -EFAULT;
102453 - if (copy_to_user(optval, opt->__data, len))
102454 + if ((len > (sizeof(optbuf) - sizeof(struct ip_options))) ||
102455 + copy_to_user(optval, opt->__data, len))
102456 return -EFAULT;
102457 return 0;
102458 }
102459 @@ -1308,7 +1306,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
102460 if (sk->sk_type != SOCK_STREAM)
102461 return -ENOPROTOOPT;
102462
102463 - msg.msg_control = (__force void *) optval;
102464 + msg.msg_control = (__force_kernel void *) optval;
102465 msg.msg_controllen = len;
102466 msg.msg_flags = flags;
102467
102468 diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
102469 index 1a7e979..fd05aa4 100644
102470 --- a/net/ipv4/ip_vti.c
102471 +++ b/net/ipv4/ip_vti.c
102472 @@ -45,7 +45,7 @@
102473 #include <net/net_namespace.h>
102474 #include <net/netns/generic.h>
102475
102476 -static struct rtnl_link_ops vti_link_ops __read_mostly;
102477 +static struct rtnl_link_ops vti_link_ops;
102478
102479 static int vti_net_id __read_mostly;
102480 static int vti_tunnel_init(struct net_device *dev);
102481 @@ -519,7 +519,7 @@ static const struct nla_policy vti_policy[IFLA_VTI_MAX + 1] = {
102482 [IFLA_VTI_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) },
102483 };
102484
102485 -static struct rtnl_link_ops vti_link_ops __read_mostly = {
102486 +static struct rtnl_link_ops vti_link_ops = {
102487 .kind = "vti",
102488 .maxtype = IFLA_VTI_MAX,
102489 .policy = vti_policy,
102490 diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
102491 index 648fa14..97864d0 100644
102492 --- a/net/ipv4/ipconfig.c
102493 +++ b/net/ipv4/ipconfig.c
102494 @@ -333,7 +333,7 @@ static int __init ic_devinet_ioctl(unsigned int cmd, struct ifreq *arg)
102495
102496 mm_segment_t oldfs = get_fs();
102497 set_fs(get_ds());
102498 - res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
102499 + res = devinet_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
102500 set_fs(oldfs);
102501 return res;
102502 }
102503 @@ -344,7 +344,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg)
102504
102505 mm_segment_t oldfs = get_fs();
102506 set_fs(get_ds());
102507 - res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
102508 + res = dev_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg);
102509 set_fs(oldfs);
102510 return res;
102511 }
102512 @@ -355,7 +355,7 @@ static int __init ic_route_ioctl(unsigned int cmd, struct rtentry *arg)
102513
102514 mm_segment_t oldfs = get_fs();
102515 set_fs(get_ds());
102516 - res = ip_rt_ioctl(&init_net, cmd, (void __user *) arg);
102517 + res = ip_rt_ioctl(&init_net, cmd, (void __force_user *) arg);
102518 set_fs(oldfs);
102519 return res;
102520 }
102521 diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
102522 index 37096d6..86abb03 100644
102523 --- a/net/ipv4/ipip.c
102524 +++ b/net/ipv4/ipip.c
102525 @@ -124,7 +124,7 @@ MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN");
102526 static int ipip_net_id __read_mostly;
102527
102528 static int ipip_tunnel_init(struct net_device *dev);
102529 -static struct rtnl_link_ops ipip_link_ops __read_mostly;
102530 +static struct rtnl_link_ops ipip_link_ops;
102531
102532 static int ipip_err(struct sk_buff *skb, u32 info)
102533 {
102534 @@ -487,7 +487,7 @@ static const struct nla_policy ipip_policy[IFLA_IPTUN_MAX + 1] = {
102535 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NLA_U16 },
102536 };
102537
102538 -static struct rtnl_link_ops ipip_link_ops __read_mostly = {
102539 +static struct rtnl_link_ops ipip_link_ops = {
102540 .kind = "ipip",
102541 .maxtype = IFLA_IPTUN_MAX,
102542 .policy = ipip_policy,
102543 diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
102544 index f95b6f9..2ee2097 100644
102545 --- a/net/ipv4/netfilter/arp_tables.c
102546 +++ b/net/ipv4/netfilter/arp_tables.c
102547 @@ -885,14 +885,14 @@ static int compat_table_info(const struct xt_table_info *info,
102548 #endif
102549
102550 static int get_info(struct net *net, void __user *user,
102551 - const int *len, int compat)
102552 + int len, int compat)
102553 {
102554 char name[XT_TABLE_MAXNAMELEN];
102555 struct xt_table *t;
102556 int ret;
102557
102558 - if (*len != sizeof(struct arpt_getinfo)) {
102559 - duprintf("length %u != %Zu\n", *len,
102560 + if (len != sizeof(struct arpt_getinfo)) {
102561 + duprintf("length %u != %Zu\n", len,
102562 sizeof(struct arpt_getinfo));
102563 return -EINVAL;
102564 }
102565 @@ -929,7 +929,7 @@ static int get_info(struct net *net, void __user *user,
102566 info.size = private->size;
102567 strcpy(info.name, name);
102568
102569 - if (copy_to_user(user, &info, *len) != 0)
102570 + if (copy_to_user(user, &info, len) != 0)
102571 ret = -EFAULT;
102572 else
102573 ret = 0;
102574 @@ -1690,7 +1690,7 @@ static int compat_do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user,
102575
102576 switch (cmd) {
102577 case ARPT_SO_GET_INFO:
102578 - ret = get_info(sock_net(sk), user, len, 1);
102579 + ret = get_info(sock_net(sk), user, *len, 1);
102580 break;
102581 case ARPT_SO_GET_ENTRIES:
102582 ret = compat_get_entries(sock_net(sk), user, len);
102583 @@ -1735,7 +1735,7 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len
102584
102585 switch (cmd) {
102586 case ARPT_SO_GET_INFO:
102587 - ret = get_info(sock_net(sk), user, len, 0);
102588 + ret = get_info(sock_net(sk), user, *len, 0);
102589 break;
102590
102591 case ARPT_SO_GET_ENTRIES:
102592 diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
102593 index 99e810f..3711b81 100644
102594 --- a/net/ipv4/netfilter/ip_tables.c
102595 +++ b/net/ipv4/netfilter/ip_tables.c
102596 @@ -1073,14 +1073,14 @@ static int compat_table_info(const struct xt_table_info *info,
102597 #endif
102598
102599 static int get_info(struct net *net, void __user *user,
102600 - const int *len, int compat)
102601 + int len, int compat)
102602 {
102603 char name[XT_TABLE_MAXNAMELEN];
102604 struct xt_table *t;
102605 int ret;
102606
102607 - if (*len != sizeof(struct ipt_getinfo)) {
102608 - duprintf("length %u != %zu\n", *len,
102609 + if (len != sizeof(struct ipt_getinfo)) {
102610 + duprintf("length %u != %zu\n", len,
102611 sizeof(struct ipt_getinfo));
102612 return -EINVAL;
102613 }
102614 @@ -1117,7 +1117,7 @@ static int get_info(struct net *net, void __user *user,
102615 info.size = private->size;
102616 strcpy(info.name, name);
102617
102618 - if (copy_to_user(user, &info, *len) != 0)
102619 + if (copy_to_user(user, &info, len) != 0)
102620 ret = -EFAULT;
102621 else
102622 ret = 0;
102623 @@ -1973,7 +1973,7 @@ compat_do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
102624
102625 switch (cmd) {
102626 case IPT_SO_GET_INFO:
102627 - ret = get_info(sock_net(sk), user, len, 1);
102628 + ret = get_info(sock_net(sk), user, *len, 1);
102629 break;
102630 case IPT_SO_GET_ENTRIES:
102631 ret = compat_get_entries(sock_net(sk), user, len);
102632 @@ -2020,7 +2020,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
102633
102634 switch (cmd) {
102635 case IPT_SO_GET_INFO:
102636 - ret = get_info(sock_net(sk), user, len, 0);
102637 + ret = get_info(sock_net(sk), user, *len, 0);
102638 break;
102639
102640 case IPT_SO_GET_ENTRIES:
102641 diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
102642 index e90f83a..3e6acca 100644
102643 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
102644 +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
102645 @@ -720,7 +720,7 @@ static int clusterip_net_init(struct net *net)
102646 spin_lock_init(&cn->lock);
102647
102648 #ifdef CONFIG_PROC_FS
102649 - cn->procdir = proc_mkdir("ipt_CLUSTERIP", net->proc_net);
102650 + cn->procdir = proc_mkdir_restrict("ipt_CLUSTERIP", net->proc_net);
102651 if (!cn->procdir) {
102652 pr_err("Unable to proc dir entry\n");
102653 return -ENOMEM;
102654 diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
102655 index 5d740cc..22c8e65 100644
102656 --- a/net/ipv4/ping.c
102657 +++ b/net/ipv4/ping.c
102658 @@ -59,7 +59,7 @@ struct ping_table {
102659 };
102660
102661 static struct ping_table ping_table;
102662 -struct pingv6_ops pingv6_ops;
102663 +struct pingv6_ops *pingv6_ops;
102664 EXPORT_SYMBOL_GPL(pingv6_ops);
102665
102666 static u16 ping_port_rover;
102667 @@ -350,7 +350,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
102668 return -ENODEV;
102669 }
102670 }
102671 - has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev,
102672 + has_addr = pingv6_ops->ipv6_chk_addr(net, &addr->sin6_addr, dev,
102673 scoped);
102674 rcu_read_unlock();
102675
102676 @@ -558,7 +558,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info)
102677 }
102678 #if IS_ENABLED(CONFIG_IPV6)
102679 } else if (skb->protocol == htons(ETH_P_IPV6)) {
102680 - harderr = pingv6_ops.icmpv6_err_convert(type, code, &err);
102681 + harderr = pingv6_ops->icmpv6_err_convert(type, code, &err);
102682 #endif
102683 }
102684
102685 @@ -576,7 +576,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info)
102686 info, (u8 *)icmph);
102687 #if IS_ENABLED(CONFIG_IPV6)
102688 } else if (family == AF_INET6) {
102689 - pingv6_ops.ipv6_icmp_error(sk, skb, err, 0,
102690 + pingv6_ops->ipv6_icmp_error(sk, skb, err, 0,
102691 info, (u8 *)icmph);
102692 #endif
102693 }
102694 @@ -910,10 +910,10 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
102695 }
102696
102697 if (inet6_sk(sk)->rxopt.all)
102698 - pingv6_ops.ip6_datagram_recv_common_ctl(sk, msg, skb);
102699 + pingv6_ops->ip6_datagram_recv_common_ctl(sk, msg, skb);
102700 if (skb->protocol == htons(ETH_P_IPV6) &&
102701 inet6_sk(sk)->rxopt.all)
102702 - pingv6_ops.ip6_datagram_recv_specific_ctl(sk, msg, skb);
102703 + pingv6_ops->ip6_datagram_recv_specific_ctl(sk, msg, skb);
102704 else if (skb->protocol == htons(ETH_P_IP) && isk->cmsg_flags)
102705 ip_cmsg_recv(msg, skb);
102706 #endif
102707 @@ -965,8 +965,11 @@ void ping_rcv(struct sk_buff *skb)
102708
102709 sk = ping_lookup(net, skb, ntohs(icmph->un.echo.id));
102710 if (sk != NULL) {
102711 + struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
102712 +
102713 pr_debug("rcv on socket %p\n", sk);
102714 - ping_queue_rcv_skb(sk, skb_get(skb));
102715 + if (skb2)
102716 + ping_queue_rcv_skb(sk, skb2);
102717 sock_put(sk);
102718 return;
102719 }
102720 @@ -1105,7 +1108,7 @@ static void ping_v4_format_sock(struct sock *sp, struct seq_file *f,
102721 from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
102722 0, sock_i_ino(sp),
102723 atomic_read(&sp->sk_refcnt), sp,
102724 - atomic_read(&sp->sk_drops));
102725 + atomic_read_unchecked(&sp->sk_drops));
102726 }
102727
102728 static int ping_v4_seq_show(struct seq_file *seq, void *v)
102729 diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
102730 index 739db31..74f0210 100644
102731 --- a/net/ipv4/raw.c
102732 +++ b/net/ipv4/raw.c
102733 @@ -314,7 +314,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
102734 int raw_rcv(struct sock *sk, struct sk_buff *skb)
102735 {
102736 if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
102737 - atomic_inc(&sk->sk_drops);
102738 + atomic_inc_unchecked(&sk->sk_drops);
102739 kfree_skb(skb);
102740 return NET_RX_DROP;
102741 }
102742 @@ -755,16 +755,20 @@ static int raw_init(struct sock *sk)
102743
102744 static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen)
102745 {
102746 + struct icmp_filter filter;
102747 +
102748 if (optlen > sizeof(struct icmp_filter))
102749 optlen = sizeof(struct icmp_filter);
102750 - if (copy_from_user(&raw_sk(sk)->filter, optval, optlen))
102751 + if (copy_from_user(&filter, optval, optlen))
102752 return -EFAULT;
102753 + raw_sk(sk)->filter = filter;
102754 return 0;
102755 }
102756
102757 static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen)
102758 {
102759 int len, ret = -EFAULT;
102760 + struct icmp_filter filter;
102761
102762 if (get_user(len, optlen))
102763 goto out;
102764 @@ -774,8 +778,8 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o
102765 if (len > sizeof(struct icmp_filter))
102766 len = sizeof(struct icmp_filter);
102767 ret = -EFAULT;
102768 - if (put_user(len, optlen) ||
102769 - copy_to_user(optval, &raw_sk(sk)->filter, len))
102770 + filter = raw_sk(sk)->filter;
102771 + if (put_user(len, optlen) || len > sizeof filter || copy_to_user(optval, &filter, len))
102772 goto out;
102773 ret = 0;
102774 out: return ret;
102775 @@ -1004,7 +1008,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
102776 0, 0L, 0,
102777 from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
102778 0, sock_i_ino(sp),
102779 - atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
102780 + atomic_read(&sp->sk_refcnt), sp, atomic_read_unchecked(&sp->sk_drops));
102781 }
102782
102783 static int raw_seq_show(struct seq_file *seq, void *v)
102784 diff --git a/net/ipv4/route.c b/net/ipv4/route.c
102785 index 6a2155b..47de388 100644
102786 --- a/net/ipv4/route.c
102787 +++ b/net/ipv4/route.c
102788 @@ -228,7 +228,7 @@ static const struct seq_operations rt_cache_seq_ops = {
102789
102790 static int rt_cache_seq_open(struct inode *inode, struct file *file)
102791 {
102792 - return seq_open(file, &rt_cache_seq_ops);
102793 + return seq_open_restrict(file, &rt_cache_seq_ops);
102794 }
102795
102796 static const struct file_operations rt_cache_seq_fops = {
102797 @@ -319,7 +319,7 @@ static const struct seq_operations rt_cpu_seq_ops = {
102798
102799 static int rt_cpu_seq_open(struct inode *inode, struct file *file)
102800 {
102801 - return seq_open(file, &rt_cpu_seq_ops);
102802 + return seq_open_restrict(file, &rt_cpu_seq_ops);
102803 }
102804
102805 static const struct file_operations rt_cpu_seq_fops = {
102806 @@ -357,7 +357,7 @@ static int rt_acct_proc_show(struct seq_file *m, void *v)
102807
102808 static int rt_acct_proc_open(struct inode *inode, struct file *file)
102809 {
102810 - return single_open(file, rt_acct_proc_show, NULL);
102811 + return single_open_restrict(file, rt_acct_proc_show, NULL);
102812 }
102813
102814 static const struct file_operations rt_acct_proc_fops = {
102815 @@ -459,11 +459,11 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst,
102816
102817 #define IP_IDENTS_SZ 2048u
102818 struct ip_ident_bucket {
102819 - atomic_t id;
102820 + atomic_unchecked_t id;
102821 u32 stamp32;
102822 };
102823
102824 -static struct ip_ident_bucket *ip_idents __read_mostly;
102825 +static struct ip_ident_bucket ip_idents[IP_IDENTS_SZ] __read_mostly;
102826
102827 /* In order to protect privacy, we add a perturbation to identifiers
102828 * if one generator is seldom used. This makes hard for an attacker
102829 @@ -479,7 +479,7 @@ u32 ip_idents_reserve(u32 hash, int segs)
102830 if (old != now && cmpxchg(&bucket->stamp32, old, now) == old)
102831 delta = prandom_u32_max(now - old);
102832
102833 - return atomic_add_return(segs + delta, &bucket->id) - segs;
102834 + return atomic_add_return_unchecked(segs + delta, &bucket->id) - segs;
102835 }
102836 EXPORT_SYMBOL(ip_idents_reserve);
102837
102838 @@ -1554,11 +1554,10 @@ static int __mkroute_input(struct sk_buff *skb,
102839
102840 do_cache = res->fi && !itag;
102841 if (out_dev == in_dev && err && IN_DEV_TX_REDIRECTS(out_dev) &&
102842 + skb->protocol == htons(ETH_P_IP) &&
102843 (IN_DEV_SHARED_MEDIA(out_dev) ||
102844 - inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res)))) {
102845 - flags |= RTCF_DOREDIRECT;
102846 - do_cache = false;
102847 - }
102848 + inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
102849 + IPCB(skb)->flags |= IPSKB_DOREDIRECT;
102850
102851 if (skb->protocol != htons(ETH_P_IP)) {
102852 /* Not IP (i.e. ARP). Do not create route, if it is
102853 @@ -2303,6 +2302,8 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
102854 r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED;
102855 if (rt->rt_flags & RTCF_NOTIFY)
102856 r->rtm_flags |= RTM_F_NOTIFY;
102857 + if (IPCB(skb)->flags & IPSKB_DOREDIRECT)
102858 + r->rtm_flags |= RTCF_DOREDIRECT;
102859
102860 if (nla_put_be32(skb, RTA_DST, dst))
102861 goto nla_put_failure;
102862 @@ -2624,34 +2625,34 @@ static struct ctl_table ipv4_route_flush_table[] = {
102863 .maxlen = sizeof(int),
102864 .mode = 0200,
102865 .proc_handler = ipv4_sysctl_rtcache_flush,
102866 + .extra1 = &init_net,
102867 },
102868 { },
102869 };
102870
102871 static __net_init int sysctl_route_net_init(struct net *net)
102872 {
102873 - struct ctl_table *tbl;
102874 + ctl_table_no_const *tbl = NULL;
102875
102876 - tbl = ipv4_route_flush_table;
102877 if (!net_eq(net, &init_net)) {
102878 - tbl = kmemdup(tbl, sizeof(ipv4_route_flush_table), GFP_KERNEL);
102879 + tbl = kmemdup(ipv4_route_flush_table, sizeof(ipv4_route_flush_table), GFP_KERNEL);
102880 if (tbl == NULL)
102881 goto err_dup;
102882
102883 /* Don't export sysctls to unprivileged users */
102884 if (net->user_ns != &init_user_ns)
102885 tbl[0].procname = NULL;
102886 - }
102887 - tbl[0].extra1 = net;
102888 + tbl[0].extra1 = net;
102889 + net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl);
102890 + } else
102891 + net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", ipv4_route_flush_table);
102892
102893 - net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl);
102894 if (net->ipv4.route_hdr == NULL)
102895 goto err_reg;
102896 return 0;
102897
102898 err_reg:
102899 - if (tbl != ipv4_route_flush_table)
102900 - kfree(tbl);
102901 + kfree(tbl);
102902 err_dup:
102903 return -ENOMEM;
102904 }
102905 @@ -2674,8 +2675,8 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
102906
102907 static __net_init int rt_genid_init(struct net *net)
102908 {
102909 - atomic_set(&net->ipv4.rt_genid, 0);
102910 - atomic_set(&net->fnhe_genid, 0);
102911 + atomic_set_unchecked(&net->ipv4.rt_genid, 0);
102912 + atomic_set_unchecked(&net->fnhe_genid, 0);
102913 get_random_bytes(&net->ipv4.dev_addr_genid,
102914 sizeof(net->ipv4.dev_addr_genid));
102915 return 0;
102916 @@ -2718,11 +2719,7 @@ int __init ip_rt_init(void)
102917 {
102918 int rc = 0;
102919
102920 - ip_idents = kmalloc(IP_IDENTS_SZ * sizeof(*ip_idents), GFP_KERNEL);
102921 - if (!ip_idents)
102922 - panic("IP: failed to allocate ip_idents\n");
102923 -
102924 - prandom_bytes(ip_idents, IP_IDENTS_SZ * sizeof(*ip_idents));
102925 + prandom_bytes(ip_idents, sizeof(ip_idents));
102926
102927 #ifdef CONFIG_IP_ROUTE_CLASSID
102928 ip_rt_acct = __alloc_percpu(256 * sizeof(struct ip_rt_acct), __alignof__(struct ip_rt_acct));
102929 diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
102930 index b3c53c8..35cc18d 100644
102931 --- a/net/ipv4/sysctl_net_ipv4.c
102932 +++ b/net/ipv4/sysctl_net_ipv4.c
102933 @@ -60,7 +60,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write,
102934 container_of(table->data, struct net, ipv4.ip_local_ports.range);
102935 int ret;
102936 int range[2];
102937 - struct ctl_table tmp = {
102938 + ctl_table_no_const tmp = {
102939 .data = &range,
102940 .maxlen = sizeof(range),
102941 .mode = table->mode,
102942 @@ -118,7 +118,7 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write,
102943 int ret;
102944 gid_t urange[2];
102945 kgid_t low, high;
102946 - struct ctl_table tmp = {
102947 + ctl_table_no_const tmp = {
102948 .data = &urange,
102949 .maxlen = sizeof(urange),
102950 .mode = table->mode,
102951 @@ -149,7 +149,7 @@ static int proc_tcp_congestion_control(struct ctl_table *ctl, int write,
102952 void __user *buffer, size_t *lenp, loff_t *ppos)
102953 {
102954 char val[TCP_CA_NAME_MAX];
102955 - struct ctl_table tbl = {
102956 + ctl_table_no_const tbl = {
102957 .data = val,
102958 .maxlen = TCP_CA_NAME_MAX,
102959 };
102960 @@ -168,7 +168,7 @@ static int proc_tcp_available_congestion_control(struct ctl_table *ctl,
102961 void __user *buffer, size_t *lenp,
102962 loff_t *ppos)
102963 {
102964 - struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, };
102965 + ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX, };
102966 int ret;
102967
102968 tbl.data = kmalloc(tbl.maxlen, GFP_USER);
102969 @@ -185,7 +185,7 @@ static int proc_allowed_congestion_control(struct ctl_table *ctl,
102970 void __user *buffer, size_t *lenp,
102971 loff_t *ppos)
102972 {
102973 - struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
102974 + ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX };
102975 int ret;
102976
102977 tbl.data = kmalloc(tbl.maxlen, GFP_USER);
102978 @@ -204,7 +204,7 @@ static int proc_tcp_fastopen_key(struct ctl_table *ctl, int write,
102979 void __user *buffer, size_t *lenp,
102980 loff_t *ppos)
102981 {
102982 - struct ctl_table tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) };
102983 + ctl_table_no_const tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) };
102984 struct tcp_fastopen_context *ctxt;
102985 int ret;
102986 u32 user_key[4]; /* 16 bytes, matching TCP_FASTOPEN_KEY_LENGTH */
102987 @@ -874,13 +874,12 @@ static struct ctl_table ipv4_net_table[] = {
102988
102989 static __net_init int ipv4_sysctl_init_net(struct net *net)
102990 {
102991 - struct ctl_table *table;
102992 + ctl_table_no_const *table = NULL;
102993
102994 - table = ipv4_net_table;
102995 if (!net_eq(net, &init_net)) {
102996 int i;
102997
102998 - table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
102999 + table = kmemdup(ipv4_net_table, sizeof(ipv4_net_table), GFP_KERNEL);
103000 if (table == NULL)
103001 goto err_alloc;
103002
103003 @@ -889,7 +888,10 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
103004 table[i].data += (void *)net - (void *)&init_net;
103005 }
103006
103007 - net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
103008 + if (!net_eq(net, &init_net))
103009 + net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
103010 + else
103011 + net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", ipv4_net_table);
103012 if (net->ipv4.ipv4_hdr == NULL)
103013 goto err_reg;
103014
103015 diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
103016 index d107ee2..bcebf11 100644
103017 --- a/net/ipv4/tcp_input.c
103018 +++ b/net/ipv4/tcp_input.c
103019 @@ -765,7 +765,7 @@ static void tcp_update_pacing_rate(struct sock *sk)
103020 * without any lock. We want to make sure compiler wont store
103021 * intermediate values in this location.
103022 */
103023 - ACCESS_ONCE(sk->sk_pacing_rate) = min_t(u64, rate,
103024 + ACCESS_ONCE_RW(sk->sk_pacing_rate) = min_t(u64, rate,
103025 sk->sk_max_pacing_rate);
103026 }
103027
103028 @@ -4527,7 +4527,7 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
103029 * simplifies code)
103030 */
103031 static void
103032 -tcp_collapse(struct sock *sk, struct sk_buff_head *list,
103033 +__intentional_overflow(5,6) tcp_collapse(struct sock *sk, struct sk_buff_head *list,
103034 struct sk_buff *head, struct sk_buff *tail,
103035 u32 start, u32 end)
103036 {
103037 @@ -5506,6 +5506,7 @@ discard:
103038 tcp_paws_reject(&tp->rx_opt, 0))
103039 goto discard_and_undo;
103040
103041 +#ifndef CONFIG_GRKERNSEC_NO_SIMULT_CONNECT
103042 if (th->syn) {
103043 /* We see SYN without ACK. It is attempt of
103044 * simultaneous connect with crossed SYNs.
103045 @@ -5556,6 +5557,7 @@ discard:
103046 goto discard;
103047 #endif
103048 }
103049 +#endif
103050 /* "fifth, if neither of the SYN or RST bits is set then
103051 * drop the segment and return."
103052 */
103053 @@ -5602,7 +5604,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
103054 goto discard;
103055
103056 if (th->syn) {
103057 - if (th->fin)
103058 + if (th->fin || th->urg || th->psh)
103059 goto discard;
103060 if (icsk->icsk_af_ops->conn_request(sk, skb) < 0)
103061 return 1;
103062 diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
103063 index ef7089c..a3e65fb 100644
103064 --- a/net/ipv4/tcp_ipv4.c
103065 +++ b/net/ipv4/tcp_ipv4.c
103066 @@ -89,6 +89,10 @@ int sysctl_tcp_tw_reuse __read_mostly;
103067 int sysctl_tcp_low_latency __read_mostly;
103068 EXPORT_SYMBOL(sysctl_tcp_low_latency);
103069
103070 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103071 +extern int grsec_enable_blackhole;
103072 +#endif
103073 +
103074 #ifdef CONFIG_TCP_MD5SIG
103075 static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key,
103076 __be32 daddr, __be32 saddr, const struct tcphdr *th);
103077 @@ -1469,6 +1473,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
103078 return 0;
103079
103080 reset:
103081 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103082 + if (!grsec_enable_blackhole)
103083 +#endif
103084 tcp_v4_send_reset(rsk, skb);
103085 discard:
103086 kfree_skb(skb);
103087 @@ -1633,12 +1640,19 @@ int tcp_v4_rcv(struct sk_buff *skb)
103088 TCP_SKB_CB(skb)->sacked = 0;
103089
103090 sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest);
103091 - if (!sk)
103092 + if (!sk) {
103093 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103094 + ret = 1;
103095 +#endif
103096 goto no_tcp_socket;
103097 -
103098 + }
103099 process:
103100 - if (sk->sk_state == TCP_TIME_WAIT)
103101 + if (sk->sk_state == TCP_TIME_WAIT) {
103102 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103103 + ret = 2;
103104 +#endif
103105 goto do_time_wait;
103106 + }
103107
103108 if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
103109 NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
103110 @@ -1694,6 +1708,10 @@ csum_error:
103111 bad_packet:
103112 TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
103113 } else {
103114 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103115 + if (!grsec_enable_blackhole || (ret == 1 &&
103116 + (skb->dev->flags & IFF_LOOPBACK)))
103117 +#endif
103118 tcp_v4_send_reset(NULL, skb);
103119 }
103120
103121 diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
103122 index 63d2680..2db9d6b 100644
103123 --- a/net/ipv4/tcp_minisocks.c
103124 +++ b/net/ipv4/tcp_minisocks.c
103125 @@ -27,6 +27,10 @@
103126 #include <net/inet_common.h>
103127 #include <net/xfrm.h>
103128
103129 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103130 +extern int grsec_enable_blackhole;
103131 +#endif
103132 +
103133 int sysctl_tcp_syncookies __read_mostly = 1;
103134 EXPORT_SYMBOL(sysctl_tcp_syncookies);
103135
103136 @@ -739,7 +743,10 @@ embryonic_reset:
103137 * avoid becoming vulnerable to outside attack aiming at
103138 * resetting legit local connections.
103139 */
103140 - req->rsk_ops->send_reset(sk, skb);
103141 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103142 + if (!grsec_enable_blackhole)
103143 +#endif
103144 + req->rsk_ops->send_reset(sk, skb);
103145 } else if (fastopen) { /* received a valid RST pkt */
103146 reqsk_fastopen_remove(sk, req, true);
103147 tcp_reset(sk);
103148 diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
103149 index ebf5ff5..4d1ff32 100644
103150 --- a/net/ipv4/tcp_probe.c
103151 +++ b/net/ipv4/tcp_probe.c
103152 @@ -236,7 +236,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
103153 if (cnt + width >= len)
103154 break;
103155
103156 - if (copy_to_user(buf + cnt, tbuf, width))
103157 + if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width))
103158 return -EFAULT;
103159 cnt += width;
103160 }
103161 diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
103162 index 9b21ae8..4eb67df 100644
103163 --- a/net/ipv4/tcp_timer.c
103164 +++ b/net/ipv4/tcp_timer.c
103165 @@ -22,6 +22,10 @@
103166 #include <linux/gfp.h>
103167 #include <net/tcp.h>
103168
103169 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103170 +extern int grsec_lastack_retries;
103171 +#endif
103172 +
103173 int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES;
103174 int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES;
103175 int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME;
103176 @@ -191,6 +195,13 @@ static int tcp_write_timeout(struct sock *sk)
103177 }
103178 }
103179
103180 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103181 + if ((sk->sk_state == TCP_LAST_ACK) &&
103182 + (grsec_lastack_retries > 0) &&
103183 + (grsec_lastack_retries < retry_until))
103184 + retry_until = grsec_lastack_retries;
103185 +#endif
103186 +
103187 if (retransmits_timed_out(sk, retry_until,
103188 syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) {
103189 /* Has it gone just too far? */
103190 diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
103191 index cd0db54..93a6518 100644
103192 --- a/net/ipv4/udp.c
103193 +++ b/net/ipv4/udp.c
103194 @@ -87,6 +87,7 @@
103195 #include <linux/types.h>
103196 #include <linux/fcntl.h>
103197 #include <linux/module.h>
103198 +#include <linux/security.h>
103199 #include <linux/socket.h>
103200 #include <linux/sockios.h>
103201 #include <linux/igmp.h>
103202 @@ -114,6 +115,10 @@
103203 #include <net/busy_poll.h>
103204 #include "udp_impl.h"
103205
103206 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103207 +extern int grsec_enable_blackhole;
103208 +#endif
103209 +
103210 struct udp_table udp_table __read_mostly;
103211 EXPORT_SYMBOL(udp_table);
103212
103213 @@ -595,6 +600,9 @@ static inline bool __udp_is_mcast_sock(struct net *net, struct sock *sk,
103214 return true;
103215 }
103216
103217 +extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb);
103218 +extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr);
103219 +
103220 /*
103221 * This routine is called by the ICMP module when it gets some
103222 * sort of error condition. If err < 0 then the socket should
103223 @@ -932,9 +940,18 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
103224 dport = usin->sin_port;
103225 if (dport == 0)
103226 return -EINVAL;
103227 +
103228 + err = gr_search_udp_sendmsg(sk, usin);
103229 + if (err)
103230 + return err;
103231 } else {
103232 if (sk->sk_state != TCP_ESTABLISHED)
103233 return -EDESTADDRREQ;
103234 +
103235 + err = gr_search_udp_sendmsg(sk, NULL);
103236 + if (err)
103237 + return err;
103238 +
103239 daddr = inet->inet_daddr;
103240 dport = inet->inet_dport;
103241 /* Open fast path for connected socket.
103242 @@ -1182,7 +1199,7 @@ static unsigned int first_packet_length(struct sock *sk)
103243 IS_UDPLITE(sk));
103244 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
103245 IS_UDPLITE(sk));
103246 - atomic_inc(&sk->sk_drops);
103247 + atomic_inc_unchecked(&sk->sk_drops);
103248 __skb_unlink(skb, rcvq);
103249 __skb_queue_tail(&list_kill, skb);
103250 }
103251 @@ -1262,6 +1279,10 @@ try_again:
103252 if (!skb)
103253 goto out;
103254
103255 + err = gr_search_udp_recvmsg(sk, skb);
103256 + if (err)
103257 + goto out_free;
103258 +
103259 ulen = skb->len - sizeof(struct udphdr);
103260 copied = len;
103261 if (copied > ulen)
103262 @@ -1295,7 +1316,7 @@ try_again:
103263 if (unlikely(err)) {
103264 trace_kfree_skb(skb, udp_recvmsg);
103265 if (!peeked) {
103266 - atomic_inc(&sk->sk_drops);
103267 + atomic_inc_unchecked(&sk->sk_drops);
103268 UDP_INC_STATS_USER(sock_net(sk),
103269 UDP_MIB_INERRORS, is_udplite);
103270 }
103271 @@ -1592,7 +1613,7 @@ csum_error:
103272 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
103273 drop:
103274 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
103275 - atomic_inc(&sk->sk_drops);
103276 + atomic_inc_unchecked(&sk->sk_drops);
103277 kfree_skb(skb);
103278 return -1;
103279 }
103280 @@ -1611,7 +1632,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
103281 skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
103282
103283 if (!skb1) {
103284 - atomic_inc(&sk->sk_drops);
103285 + atomic_inc_unchecked(&sk->sk_drops);
103286 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
103287 IS_UDPLITE(sk));
103288 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
103289 @@ -1812,6 +1833,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
103290 goto csum_error;
103291
103292 UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
103293 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103294 + if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
103295 +#endif
103296 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
103297
103298 /*
103299 @@ -2398,7 +2422,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
103300 from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
103301 0, sock_i_ino(sp),
103302 atomic_read(&sp->sk_refcnt), sp,
103303 - atomic_read(&sp->sk_drops));
103304 + atomic_read_unchecked(&sp->sk_drops));
103305 }
103306
103307 int udp4_seq_show(struct seq_file *seq, void *v)
103308 diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
103309 index 6156f68..d6ab46d 100644
103310 --- a/net/ipv4/xfrm4_policy.c
103311 +++ b/net/ipv4/xfrm4_policy.c
103312 @@ -186,11 +186,11 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
103313 fl4->flowi4_tos = iph->tos;
103314 }
103315
103316 -static inline int xfrm4_garbage_collect(struct dst_ops *ops)
103317 +static int xfrm4_garbage_collect(struct dst_ops *ops)
103318 {
103319 struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops);
103320
103321 - xfrm4_policy_afinfo.garbage_collect(net);
103322 + xfrm_garbage_collect_deferred(net);
103323 return (dst_entries_get_slow(ops) > ops->gc_thresh * 2);
103324 }
103325
103326 @@ -269,19 +269,18 @@ static struct ctl_table xfrm4_policy_table[] = {
103327
103328 static int __net_init xfrm4_net_init(struct net *net)
103329 {
103330 - struct ctl_table *table;
103331 + ctl_table_no_const *table = NULL;
103332 struct ctl_table_header *hdr;
103333
103334 - table = xfrm4_policy_table;
103335 if (!net_eq(net, &init_net)) {
103336 - table = kmemdup(table, sizeof(xfrm4_policy_table), GFP_KERNEL);
103337 + table = kmemdup(xfrm4_policy_table, sizeof(xfrm4_policy_table), GFP_KERNEL);
103338 if (!table)
103339 goto err_alloc;
103340
103341 table[0].data = &net->xfrm.xfrm4_dst_ops.gc_thresh;
103342 - }
103343 -
103344 - hdr = register_net_sysctl(net, "net/ipv4", table);
103345 + hdr = register_net_sysctl(net, "net/ipv4", table);
103346 + } else
103347 + hdr = register_net_sysctl(net, "net/ipv4", xfrm4_policy_table);
103348 if (!hdr)
103349 goto err_reg;
103350
103351 @@ -289,8 +288,7 @@ static int __net_init xfrm4_net_init(struct net *net)
103352 return 0;
103353
103354 err_reg:
103355 - if (!net_eq(net, &init_net))
103356 - kfree(table);
103357 + kfree(table);
103358 err_alloc:
103359 return -ENOMEM;
103360 }
103361 diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
103362 index 0169ccf..50d7b04 100644
103363 --- a/net/ipv6/addrconf.c
103364 +++ b/net/ipv6/addrconf.c
103365 @@ -171,7 +171,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
103366 .hop_limit = IPV6_DEFAULT_HOPLIMIT,
103367 .mtu6 = IPV6_MIN_MTU,
103368 .accept_ra = 1,
103369 - .accept_redirects = 1,
103370 + .accept_redirects = 0,
103371 .autoconf = 1,
103372 .force_mld_version = 0,
103373 .mldv1_unsolicited_report_interval = 10 * HZ,
103374 @@ -208,7 +208,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
103375 .hop_limit = IPV6_DEFAULT_HOPLIMIT,
103376 .mtu6 = IPV6_MIN_MTU,
103377 .accept_ra = 1,
103378 - .accept_redirects = 1,
103379 + .accept_redirects = 0,
103380 .autoconf = 1,
103381 .force_mld_version = 0,
103382 .mldv1_unsolicited_report_interval = 10 * HZ,
103383 @@ -604,7 +604,7 @@ static int inet6_netconf_dump_devconf(struct sk_buff *skb,
103384 idx = 0;
103385 head = &net->dev_index_head[h];
103386 rcu_read_lock();
103387 - cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^
103388 + cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^
103389 net->dev_base_seq;
103390 hlist_for_each_entry_rcu(dev, head, index_hlist) {
103391 if (idx < s_idx)
103392 @@ -2396,7 +2396,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
103393 p.iph.ihl = 5;
103394 p.iph.protocol = IPPROTO_IPV6;
103395 p.iph.ttl = 64;
103396 - ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
103397 + ifr.ifr_ifru.ifru_data = (void __force_user *)&p;
103398
103399 if (ops->ndo_do_ioctl) {
103400 mm_segment_t oldfs = get_fs();
103401 @@ -3534,16 +3534,23 @@ static const struct file_operations if6_fops = {
103402 .release = seq_release_net,
103403 };
103404
103405 +extern void register_ipv6_seq_ops_addr(struct seq_operations *addr);
103406 +extern void unregister_ipv6_seq_ops_addr(void);
103407 +
103408 static int __net_init if6_proc_net_init(struct net *net)
103409 {
103410 - if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops))
103411 + register_ipv6_seq_ops_addr(&if6_seq_ops);
103412 + if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops)) {
103413 + unregister_ipv6_seq_ops_addr();
103414 return -ENOMEM;
103415 + }
103416 return 0;
103417 }
103418
103419 static void __net_exit if6_proc_net_exit(struct net *net)
103420 {
103421 remove_proc_entry("if_inet6", net->proc_net);
103422 + unregister_ipv6_seq_ops_addr();
103423 }
103424
103425 static struct pernet_operations if6_proc_net_ops = {
103426 @@ -4159,7 +4166,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
103427 s_ip_idx = ip_idx = cb->args[2];
103428
103429 rcu_read_lock();
103430 - cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq;
103431 + cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq;
103432 for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
103433 idx = 0;
103434 head = &net->dev_index_head[h];
103435 @@ -4788,7 +4795,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
103436 rt_genid_bump_ipv6(net);
103437 break;
103438 }
103439 - atomic_inc(&net->ipv6.dev_addr_genid);
103440 + atomic_inc_unchecked(&net->ipv6.dev_addr_genid);
103441 }
103442
103443 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
103444 @@ -4808,7 +4815,7 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
103445 int *valp = ctl->data;
103446 int val = *valp;
103447 loff_t pos = *ppos;
103448 - struct ctl_table lctl;
103449 + ctl_table_no_const lctl;
103450 int ret;
103451
103452 /*
103453 @@ -4893,7 +4900,7 @@ int addrconf_sysctl_disable(struct ctl_table *ctl, int write,
103454 int *valp = ctl->data;
103455 int val = *valp;
103456 loff_t pos = *ppos;
103457 - struct ctl_table lctl;
103458 + ctl_table_no_const lctl;
103459 int ret;
103460
103461 /*
103462 diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
103463 index e8c4400..a4cd5da 100644
103464 --- a/net/ipv6/af_inet6.c
103465 +++ b/net/ipv6/af_inet6.c
103466 @@ -766,7 +766,7 @@ static int __net_init inet6_net_init(struct net *net)
103467 net->ipv6.sysctl.icmpv6_time = 1*HZ;
103468 net->ipv6.sysctl.flowlabel_consistency = 1;
103469 net->ipv6.sysctl.auto_flowlabels = 0;
103470 - atomic_set(&net->ipv6.fib6_sernum, 1);
103471 + atomic_set_unchecked(&net->ipv6.fib6_sernum, 1);
103472
103473 err = ipv6_init_mibs(net);
103474 if (err)
103475 diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
103476 index 2cdc383..4f1b785 100644
103477 --- a/net/ipv6/datagram.c
103478 +++ b/net/ipv6/datagram.c
103479 @@ -383,11 +383,10 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
103480
103481 memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
103482 sin = &errhdr.offender;
103483 - sin->sin6_family = AF_UNSPEC;
103484 + memset(sin, 0, sizeof(*sin));
103485 +
103486 if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
103487 sin->sin6_family = AF_INET6;
103488 - sin->sin6_flowinfo = 0;
103489 - sin->sin6_port = 0;
103490 if (np->rxopt.all)
103491 ip6_datagram_recv_common_ctl(sk, msg, skb);
103492 if (skb->protocol == htons(ETH_P_IPV6)) {
103493 @@ -398,12 +397,9 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
103494 ipv6_iface_scope_id(&sin->sin6_addr,
103495 IP6CB(skb)->iif);
103496 } else {
103497 - struct inet_sock *inet = inet_sk(sk);
103498 -
103499 ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
103500 &sin->sin6_addr);
103501 - sin->sin6_scope_id = 0;
103502 - if (inet->cmsg_flags)
103503 + if (inet_sk(sk)->cmsg_flags)
103504 ip_cmsg_recv(msg, skb);
103505 }
103506 }
103507 @@ -928,5 +924,5 @@ void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
103508 0,
103509 sock_i_ino(sp),
103510 atomic_read(&sp->sk_refcnt), sp,
103511 - atomic_read(&sp->sk_drops));
103512 + atomic_read_unchecked(&sp->sk_drops));
103513 }
103514 diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
103515 index 97ae700..18dcae0 100644
103516 --- a/net/ipv6/icmp.c
103517 +++ b/net/ipv6/icmp.c
103518 @@ -997,7 +997,7 @@ static struct ctl_table ipv6_icmp_table_template[] = {
103519
103520 struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net)
103521 {
103522 - struct ctl_table *table;
103523 + ctl_table_no_const *table;
103524
103525 table = kmemdup(ipv6_icmp_table_template,
103526 sizeof(ipv6_icmp_table_template),
103527 diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
103528 index b2d1838..0194c04 100644
103529 --- a/net/ipv6/ip6_fib.c
103530 +++ b/net/ipv6/ip6_fib.c
103531 @@ -99,9 +99,9 @@ static int fib6_new_sernum(struct net *net)
103532 int new, old;
103533
103534 do {
103535 - old = atomic_read(&net->ipv6.fib6_sernum);
103536 + old = atomic_read_unchecked(&net->ipv6.fib6_sernum);
103537 new = old < INT_MAX ? old + 1 : 1;
103538 - } while (atomic_cmpxchg(&net->ipv6.fib6_sernum,
103539 + } while (atomic_cmpxchg_unchecked(&net->ipv6.fib6_sernum,
103540 old, new) != old);
103541 return new;
103542 }
103543 diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
103544 index 0e32d2e..98cbe65 100644
103545 --- a/net/ipv6/ip6_gre.c
103546 +++ b/net/ipv6/ip6_gre.c
103547 @@ -71,8 +71,8 @@ struct ip6gre_net {
103548 struct net_device *fb_tunnel_dev;
103549 };
103550
103551 -static struct rtnl_link_ops ip6gre_link_ops __read_mostly;
103552 -static struct rtnl_link_ops ip6gre_tap_ops __read_mostly;
103553 +static struct rtnl_link_ops ip6gre_link_ops;
103554 +static struct rtnl_link_ops ip6gre_tap_ops;
103555 static int ip6gre_tunnel_init(struct net_device *dev);
103556 static void ip6gre_tunnel_setup(struct net_device *dev);
103557 static void ip6gre_tunnel_link(struct ip6gre_net *ign, struct ip6_tnl *t);
103558 @@ -1289,7 +1289,7 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev)
103559 }
103560
103561
103562 -static struct inet6_protocol ip6gre_protocol __read_mostly = {
103563 +static struct inet6_protocol ip6gre_protocol = {
103564 .handler = ip6gre_rcv,
103565 .err_handler = ip6gre_err,
103566 .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
103567 @@ -1650,7 +1650,7 @@ static const struct nla_policy ip6gre_policy[IFLA_GRE_MAX + 1] = {
103568 [IFLA_GRE_FLAGS] = { .type = NLA_U32 },
103569 };
103570
103571 -static struct rtnl_link_ops ip6gre_link_ops __read_mostly = {
103572 +static struct rtnl_link_ops ip6gre_link_ops = {
103573 .kind = "ip6gre",
103574 .maxtype = IFLA_GRE_MAX,
103575 .policy = ip6gre_policy,
103576 @@ -1664,7 +1664,7 @@ static struct rtnl_link_ops ip6gre_link_ops __read_mostly = {
103577 .fill_info = ip6gre_fill_info,
103578 };
103579
103580 -static struct rtnl_link_ops ip6gre_tap_ops __read_mostly = {
103581 +static struct rtnl_link_ops ip6gre_tap_ops = {
103582 .kind = "ip6gretap",
103583 .maxtype = IFLA_GRE_MAX,
103584 .policy = ip6gre_policy,
103585 diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
103586 index 9cb94cf..5678108 100644
103587 --- a/net/ipv6/ip6_tunnel.c
103588 +++ b/net/ipv6/ip6_tunnel.c
103589 @@ -86,7 +86,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2)
103590
103591 static int ip6_tnl_dev_init(struct net_device *dev);
103592 static void ip6_tnl_dev_setup(struct net_device *dev);
103593 -static struct rtnl_link_ops ip6_link_ops __read_mostly;
103594 +static struct rtnl_link_ops ip6_link_ops;
103595
103596 static int ip6_tnl_net_id __read_mostly;
103597 struct ip6_tnl_net {
103598 @@ -1706,7 +1706,7 @@ static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = {
103599 [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
103600 };
103601
103602 -static struct rtnl_link_ops ip6_link_ops __read_mostly = {
103603 +static struct rtnl_link_ops ip6_link_ops = {
103604 .kind = "ip6tnl",
103605 .maxtype = IFLA_IPTUN_MAX,
103606 .policy = ip6_tnl_policy,
103607 diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
103608 index bcda14d..49378c9 100644
103609 --- a/net/ipv6/ip6_vti.c
103610 +++ b/net/ipv6/ip6_vti.c
103611 @@ -62,7 +62,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2)
103612
103613 static int vti6_dev_init(struct net_device *dev);
103614 static void vti6_dev_setup(struct net_device *dev);
103615 -static struct rtnl_link_ops vti6_link_ops __read_mostly;
103616 +static struct rtnl_link_ops vti6_link_ops;
103617
103618 static int vti6_net_id __read_mostly;
103619 struct vti6_net {
103620 @@ -981,7 +981,7 @@ static const struct nla_policy vti6_policy[IFLA_VTI_MAX + 1] = {
103621 [IFLA_VTI_OKEY] = { .type = NLA_U32 },
103622 };
103623
103624 -static struct rtnl_link_ops vti6_link_ops __read_mostly = {
103625 +static struct rtnl_link_ops vti6_link_ops = {
103626 .kind = "vti6",
103627 .maxtype = IFLA_VTI_MAX,
103628 .policy = vti6_policy,
103629 diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
103630 index e1a9583..7dd8f4d 100644
103631 --- a/net/ipv6/ipv6_sockglue.c
103632 +++ b/net/ipv6/ipv6_sockglue.c
103633 @@ -993,7 +993,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
103634 if (sk->sk_type != SOCK_STREAM)
103635 return -ENOPROTOOPT;
103636
103637 - msg.msg_control = optval;
103638 + msg.msg_control = (void __force_kernel *)optval;
103639 msg.msg_controllen = len;
103640 msg.msg_flags = flags;
103641
103642 diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
103643 index e080fbb..412b3cf 100644
103644 --- a/net/ipv6/netfilter/ip6_tables.c
103645 +++ b/net/ipv6/netfilter/ip6_tables.c
103646 @@ -1083,14 +1083,14 @@ static int compat_table_info(const struct xt_table_info *info,
103647 #endif
103648
103649 static int get_info(struct net *net, void __user *user,
103650 - const int *len, int compat)
103651 + int len, int compat)
103652 {
103653 char name[XT_TABLE_MAXNAMELEN];
103654 struct xt_table *t;
103655 int ret;
103656
103657 - if (*len != sizeof(struct ip6t_getinfo)) {
103658 - duprintf("length %u != %zu\n", *len,
103659 + if (len != sizeof(struct ip6t_getinfo)) {
103660 + duprintf("length %u != %zu\n", len,
103661 sizeof(struct ip6t_getinfo));
103662 return -EINVAL;
103663 }
103664 @@ -1127,7 +1127,7 @@ static int get_info(struct net *net, void __user *user,
103665 info.size = private->size;
103666 strcpy(info.name, name);
103667
103668 - if (copy_to_user(user, &info, *len) != 0)
103669 + if (copy_to_user(user, &info, len) != 0)
103670 ret = -EFAULT;
103671 else
103672 ret = 0;
103673 @@ -1983,7 +1983,7 @@ compat_do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
103674
103675 switch (cmd) {
103676 case IP6T_SO_GET_INFO:
103677 - ret = get_info(sock_net(sk), user, len, 1);
103678 + ret = get_info(sock_net(sk), user, *len, 1);
103679 break;
103680 case IP6T_SO_GET_ENTRIES:
103681 ret = compat_get_entries(sock_net(sk), user, len);
103682 @@ -2030,7 +2030,7 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
103683
103684 switch (cmd) {
103685 case IP6T_SO_GET_INFO:
103686 - ret = get_info(sock_net(sk), user, len, 0);
103687 + ret = get_info(sock_net(sk), user, *len, 0);
103688 break;
103689
103690 case IP6T_SO_GET_ENTRIES:
103691 diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
103692 index 6f187c8..34b367f 100644
103693 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c
103694 +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
103695 @@ -96,12 +96,11 @@ static struct ctl_table nf_ct_frag6_sysctl_table[] = {
103696
103697 static int nf_ct_frag6_sysctl_register(struct net *net)
103698 {
103699 - struct ctl_table *table;
103700 + ctl_table_no_const *table = NULL;
103701 struct ctl_table_header *hdr;
103702
103703 - table = nf_ct_frag6_sysctl_table;
103704 if (!net_eq(net, &init_net)) {
103705 - table = kmemdup(table, sizeof(nf_ct_frag6_sysctl_table),
103706 + table = kmemdup(nf_ct_frag6_sysctl_table, sizeof(nf_ct_frag6_sysctl_table),
103707 GFP_KERNEL);
103708 if (table == NULL)
103709 goto err_alloc;
103710 @@ -112,9 +111,9 @@ static int nf_ct_frag6_sysctl_register(struct net *net)
103711 table[2].data = &net->nf_frag.frags.high_thresh;
103712 table[2].extra1 = &net->nf_frag.frags.low_thresh;
103713 table[2].extra2 = &init_net.nf_frag.frags.high_thresh;
103714 - }
103715 -
103716 - hdr = register_net_sysctl(net, "net/netfilter", table);
103717 + hdr = register_net_sysctl(net, "net/netfilter", table);
103718 + } else
103719 + hdr = register_net_sysctl(net, "net/netfilter", nf_ct_frag6_sysctl_table);
103720 if (hdr == NULL)
103721 goto err_reg;
103722
103723 @@ -122,8 +121,7 @@ static int nf_ct_frag6_sysctl_register(struct net *net)
103724 return 0;
103725
103726 err_reg:
103727 - if (!net_eq(net, &init_net))
103728 - kfree(table);
103729 + kfree(table);
103730 err_alloc:
103731 return -ENOMEM;
103732 }
103733 diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
103734 index 5b7a1ed..d9da205 100644
103735 --- a/net/ipv6/ping.c
103736 +++ b/net/ipv6/ping.c
103737 @@ -240,6 +240,24 @@ static struct pernet_operations ping_v6_net_ops = {
103738 };
103739 #endif
103740
103741 +static struct pingv6_ops real_pingv6_ops = {
103742 + .ipv6_recv_error = ipv6_recv_error,
103743 + .ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl,
103744 + .ip6_datagram_recv_specific_ctl = ip6_datagram_recv_specific_ctl,
103745 + .icmpv6_err_convert = icmpv6_err_convert,
103746 + .ipv6_icmp_error = ipv6_icmp_error,
103747 + .ipv6_chk_addr = ipv6_chk_addr,
103748 +};
103749 +
103750 +static struct pingv6_ops dummy_pingv6_ops = {
103751 + .ipv6_recv_error = dummy_ipv6_recv_error,
103752 + .ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl,
103753 + .ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl,
103754 + .icmpv6_err_convert = dummy_icmpv6_err_convert,
103755 + .ipv6_icmp_error = dummy_ipv6_icmp_error,
103756 + .ipv6_chk_addr = dummy_ipv6_chk_addr,
103757 +};
103758 +
103759 int __init pingv6_init(void)
103760 {
103761 #ifdef CONFIG_PROC_FS
103762 @@ -247,13 +265,7 @@ int __init pingv6_init(void)
103763 if (ret)
103764 return ret;
103765 #endif
103766 - pingv6_ops.ipv6_recv_error = ipv6_recv_error;
103767 - pingv6_ops.ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl;
103768 - pingv6_ops.ip6_datagram_recv_specific_ctl =
103769 - ip6_datagram_recv_specific_ctl;
103770 - pingv6_ops.icmpv6_err_convert = icmpv6_err_convert;
103771 - pingv6_ops.ipv6_icmp_error = ipv6_icmp_error;
103772 - pingv6_ops.ipv6_chk_addr = ipv6_chk_addr;
103773 + pingv6_ops = &real_pingv6_ops;
103774 return inet6_register_protosw(&pingv6_protosw);
103775 }
103776
103777 @@ -262,14 +274,9 @@ int __init pingv6_init(void)
103778 */
103779 void pingv6_exit(void)
103780 {
103781 - pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error;
103782 - pingv6_ops.ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl;
103783 - pingv6_ops.ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl;
103784 - pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert;
103785 - pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error;
103786 - pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr;
103787 #ifdef CONFIG_PROC_FS
103788 unregister_pernet_subsys(&ping_v6_net_ops);
103789 #endif
103790 + pingv6_ops = &dummy_pingv6_ops;
103791 inet6_unregister_protosw(&pingv6_protosw);
103792 }
103793 diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
103794 index 1752cd0..3c6af41 100644
103795 --- a/net/ipv6/proc.c
103796 +++ b/net/ipv6/proc.c
103797 @@ -309,7 +309,7 @@ static int __net_init ipv6_proc_init_net(struct net *net)
103798 if (!proc_create("snmp6", S_IRUGO, net->proc_net, &snmp6_seq_fops))
103799 goto proc_snmp6_fail;
103800
103801 - net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net);
103802 + net->mib.proc_net_devsnmp6 = proc_mkdir_restrict("dev_snmp6", net->proc_net);
103803 if (!net->mib.proc_net_devsnmp6)
103804 goto proc_dev_snmp6_fail;
103805 return 0;
103806 diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
103807 index 896af88..6e2ba628 100644
103808 --- a/net/ipv6/raw.c
103809 +++ b/net/ipv6/raw.c
103810 @@ -388,7 +388,7 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
103811 {
103812 if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&
103813 skb_checksum_complete(skb)) {
103814 - atomic_inc(&sk->sk_drops);
103815 + atomic_inc_unchecked(&sk->sk_drops);
103816 kfree_skb(skb);
103817 return NET_RX_DROP;
103818 }
103819 @@ -416,7 +416,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
103820 struct raw6_sock *rp = raw6_sk(sk);
103821
103822 if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
103823 - atomic_inc(&sk->sk_drops);
103824 + atomic_inc_unchecked(&sk->sk_drops);
103825 kfree_skb(skb);
103826 return NET_RX_DROP;
103827 }
103828 @@ -440,7 +440,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
103829
103830 if (inet->hdrincl) {
103831 if (skb_checksum_complete(skb)) {
103832 - atomic_inc(&sk->sk_drops);
103833 + atomic_inc_unchecked(&sk->sk_drops);
103834 kfree_skb(skb);
103835 return NET_RX_DROP;
103836 }
103837 @@ -608,7 +608,7 @@ out:
103838 return err;
103839 }
103840
103841 -static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
103842 +static int rawv6_send_hdrinc(struct sock *sk, void *from, unsigned int length,
103843 struct flowi6 *fl6, struct dst_entry **dstp,
103844 unsigned int flags)
103845 {
103846 @@ -914,12 +914,15 @@ do_confirm:
103847 static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
103848 char __user *optval, int optlen)
103849 {
103850 + struct icmp6_filter filter;
103851 +
103852 switch (optname) {
103853 case ICMPV6_FILTER:
103854 if (optlen > sizeof(struct icmp6_filter))
103855 optlen = sizeof(struct icmp6_filter);
103856 - if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
103857 + if (copy_from_user(&filter, optval, optlen))
103858 return -EFAULT;
103859 + raw6_sk(sk)->filter = filter;
103860 return 0;
103861 default:
103862 return -ENOPROTOOPT;
103863 @@ -932,6 +935,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
103864 char __user *optval, int __user *optlen)
103865 {
103866 int len;
103867 + struct icmp6_filter filter;
103868
103869 switch (optname) {
103870 case ICMPV6_FILTER:
103871 @@ -943,7 +947,8 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
103872 len = sizeof(struct icmp6_filter);
103873 if (put_user(len, optlen))
103874 return -EFAULT;
103875 - if (copy_to_user(optval, &raw6_sk(sk)->filter, len))
103876 + filter = raw6_sk(sk)->filter;
103877 + if (len > sizeof filter || copy_to_user(optval, &filter, len))
103878 return -EFAULT;
103879 return 0;
103880 default:
103881 diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
103882 index 1a157ca..9fc05f4 100644
103883 --- a/net/ipv6/reassembly.c
103884 +++ b/net/ipv6/reassembly.c
103885 @@ -625,12 +625,11 @@ static struct ctl_table ip6_frags_ctl_table[] = {
103886
103887 static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
103888 {
103889 - struct ctl_table *table;
103890 + ctl_table_no_const *table = NULL;
103891 struct ctl_table_header *hdr;
103892
103893 - table = ip6_frags_ns_ctl_table;
103894 if (!net_eq(net, &init_net)) {
103895 - table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL);
103896 + table = kmemdup(ip6_frags_ns_ctl_table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL);
103897 if (table == NULL)
103898 goto err_alloc;
103899
103900 @@ -644,9 +643,10 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
103901 /* Don't export sysctls to unprivileged users */
103902 if (net->user_ns != &init_user_ns)
103903 table[0].procname = NULL;
103904 - }
103905 + hdr = register_net_sysctl(net, "net/ipv6", table);
103906 + } else
103907 + hdr = register_net_sysctl(net, "net/ipv6", ip6_frags_ns_ctl_table);
103908
103909 - hdr = register_net_sysctl(net, "net/ipv6", table);
103910 if (hdr == NULL)
103911 goto err_reg;
103912
103913 @@ -654,8 +654,7 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
103914 return 0;
103915
103916 err_reg:
103917 - if (!net_eq(net, &init_net))
103918 - kfree(table);
103919 + kfree(table);
103920 err_alloc:
103921 return -ENOMEM;
103922 }
103923 diff --git a/net/ipv6/route.c b/net/ipv6/route.c
103924 index a318dd89..42a612c 100644
103925 --- a/net/ipv6/route.c
103926 +++ b/net/ipv6/route.c
103927 @@ -1150,12 +1150,9 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
103928 struct net *net = dev_net(dst->dev);
103929
103930 rt6->rt6i_flags |= RTF_MODIFIED;
103931 - if (mtu < IPV6_MIN_MTU) {
103932 - u32 features = dst_metric(dst, RTAX_FEATURES);
103933 + if (mtu < IPV6_MIN_MTU)
103934 mtu = IPV6_MIN_MTU;
103935 - features |= RTAX_FEATURE_ALLFRAG;
103936 - dst_metric_set(dst, RTAX_FEATURES, features);
103937 - }
103938 +
103939 dst_metric_set(dst, RTAX_MTU, mtu);
103940 rt6_update_expires(rt6, net->ipv6.sysctl.ip6_rt_mtu_expires);
103941 }
103942 @@ -2965,7 +2962,7 @@ struct ctl_table ipv6_route_table_template[] = {
103943
103944 struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net)
103945 {
103946 - struct ctl_table *table;
103947 + ctl_table_no_const *table;
103948
103949 table = kmemdup(ipv6_route_table_template,
103950 sizeof(ipv6_route_table_template),
103951 diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
103952 index a24557a..00a9ed1 100644
103953 --- a/net/ipv6/sit.c
103954 +++ b/net/ipv6/sit.c
103955 @@ -74,7 +74,7 @@ static void ipip6_tunnel_setup(struct net_device *dev);
103956 static void ipip6_dev_free(struct net_device *dev);
103957 static bool check_6rd(struct ip_tunnel *tunnel, const struct in6_addr *v6dst,
103958 __be32 *v4dst);
103959 -static struct rtnl_link_ops sit_link_ops __read_mostly;
103960 +static struct rtnl_link_ops sit_link_ops;
103961
103962 static int sit_net_id __read_mostly;
103963 struct sit_net {
103964 @@ -1750,7 +1750,7 @@ static void ipip6_dellink(struct net_device *dev, struct list_head *head)
103965 unregister_netdevice_queue(dev, head);
103966 }
103967
103968 -static struct rtnl_link_ops sit_link_ops __read_mostly = {
103969 +static struct rtnl_link_ops sit_link_ops = {
103970 .kind = "sit",
103971 .maxtype = IFLA_IPTUN_MAX,
103972 .policy = ipip6_policy,
103973 diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
103974 index c5c10fa..2577d51 100644
103975 --- a/net/ipv6/sysctl_net_ipv6.c
103976 +++ b/net/ipv6/sysctl_net_ipv6.c
103977 @@ -78,7 +78,7 @@ static struct ctl_table ipv6_rotable[] = {
103978
103979 static int __net_init ipv6_sysctl_net_init(struct net *net)
103980 {
103981 - struct ctl_table *ipv6_table;
103982 + ctl_table_no_const *ipv6_table;
103983 struct ctl_table *ipv6_route_table;
103984 struct ctl_table *ipv6_icmp_table;
103985 int err;
103986 diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
103987 index c113602..0cccb46 100644
103988 --- a/net/ipv6/tcp_ipv6.c
103989 +++ b/net/ipv6/tcp_ipv6.c
103990 @@ -104,6 +104,10 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
103991 }
103992 }
103993
103994 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
103995 +extern int grsec_enable_blackhole;
103996 +#endif
103997 +
103998 static void tcp_v6_hash(struct sock *sk)
103999 {
104000 if (sk->sk_state != TCP_CLOSE) {
104001 @@ -1341,6 +1345,9 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
104002 return 0;
104003
104004 reset:
104005 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104006 + if (!grsec_enable_blackhole)
104007 +#endif
104008 tcp_v6_send_reset(sk, skb);
104009 discard:
104010 if (opt_skb)
104011 @@ -1441,12 +1448,20 @@ static int tcp_v6_rcv(struct sk_buff *skb)
104012
104013 sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest,
104014 inet6_iif(skb));
104015 - if (!sk)
104016 + if (!sk) {
104017 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104018 + ret = 1;
104019 +#endif
104020 goto no_tcp_socket;
104021 + }
104022
104023 process:
104024 - if (sk->sk_state == TCP_TIME_WAIT)
104025 + if (sk->sk_state == TCP_TIME_WAIT) {
104026 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104027 + ret = 2;
104028 +#endif
104029 goto do_time_wait;
104030 + }
104031
104032 if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) {
104033 NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
104034 @@ -1497,6 +1512,10 @@ csum_error:
104035 bad_packet:
104036 TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
104037 } else {
104038 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104039 + if (!grsec_enable_blackhole || (ret == 1 &&
104040 + (skb->dev->flags & IFF_LOOPBACK)))
104041 +#endif
104042 tcp_v6_send_reset(NULL, skb);
104043 }
104044
104045 diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
104046 index f6ba535..b41033f 100644
104047 --- a/net/ipv6/udp.c
104048 +++ b/net/ipv6/udp.c
104049 @@ -76,6 +76,10 @@ static unsigned int udp6_ehashfn(struct net *net,
104050 udp_ipv6_hash_secret + net_hash_mix(net));
104051 }
104052
104053 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104054 +extern int grsec_enable_blackhole;
104055 +#endif
104056 +
104057 int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
104058 {
104059 const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
104060 @@ -434,7 +438,7 @@ try_again:
104061 if (unlikely(err)) {
104062 trace_kfree_skb(skb, udpv6_recvmsg);
104063 if (!peeked) {
104064 - atomic_inc(&sk->sk_drops);
104065 + atomic_inc_unchecked(&sk->sk_drops);
104066 if (is_udp4)
104067 UDP_INC_STATS_USER(sock_net(sk),
104068 UDP_MIB_INERRORS,
104069 @@ -701,7 +705,7 @@ csum_error:
104070 UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
104071 drop:
104072 UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
104073 - atomic_inc(&sk->sk_drops);
104074 + atomic_inc_unchecked(&sk->sk_drops);
104075 kfree_skb(skb);
104076 return -1;
104077 }
104078 @@ -740,7 +744,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
104079 if (likely(skb1 == NULL))
104080 skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
104081 if (!skb1) {
104082 - atomic_inc(&sk->sk_drops);
104083 + atomic_inc_unchecked(&sk->sk_drops);
104084 UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
104085 IS_UDPLITE(sk));
104086 UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
104087 @@ -919,6 +923,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
104088 goto csum_error;
104089
104090 UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
104091 +#ifdef CONFIG_GRKERNSEC_BLACKHOLE
104092 + if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK))
104093 +#endif
104094 icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
104095
104096 kfree_skb(skb);
104097 diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
104098 index 5f98364..691985a 100644
104099 --- a/net/ipv6/xfrm6_policy.c
104100 +++ b/net/ipv6/xfrm6_policy.c
104101 @@ -130,12 +130,18 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
104102 {
104103 struct flowi6 *fl6 = &fl->u.ip6;
104104 int onlyproto = 0;
104105 - u16 offset = skb_network_header_len(skb);
104106 const struct ipv6hdr *hdr = ipv6_hdr(skb);
104107 + u16 offset = sizeof(*hdr);
104108 struct ipv6_opt_hdr *exthdr;
104109 const unsigned char *nh = skb_network_header(skb);
104110 - u8 nexthdr = nh[IP6CB(skb)->nhoff];
104111 + u16 nhoff = IP6CB(skb)->nhoff;
104112 int oif = 0;
104113 + u8 nexthdr;
104114 +
104115 + if (!nhoff)
104116 + nhoff = offsetof(struct ipv6hdr, nexthdr);
104117 +
104118 + nexthdr = nh[nhoff];
104119
104120 if (skb_dst(skb))
104121 oif = skb_dst(skb)->dev->ifindex;
104122 @@ -217,11 +223,11 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
104123 }
104124 }
104125
104126 -static inline int xfrm6_garbage_collect(struct dst_ops *ops)
104127 +static int xfrm6_garbage_collect(struct dst_ops *ops)
104128 {
104129 struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops);
104130
104131 - xfrm6_policy_afinfo.garbage_collect(net);
104132 + xfrm_garbage_collect_deferred(net);
104133 return dst_entries_get_fast(ops) > ops->gc_thresh * 2;
104134 }
104135
104136 @@ -334,19 +340,19 @@ static struct ctl_table xfrm6_policy_table[] = {
104137
104138 static int __net_init xfrm6_net_init(struct net *net)
104139 {
104140 - struct ctl_table *table;
104141 + ctl_table_no_const *table = NULL;
104142 struct ctl_table_header *hdr;
104143
104144 - table = xfrm6_policy_table;
104145 if (!net_eq(net, &init_net)) {
104146 - table = kmemdup(table, sizeof(xfrm6_policy_table), GFP_KERNEL);
104147 + table = kmemdup(xfrm6_policy_table, sizeof(xfrm6_policy_table), GFP_KERNEL);
104148 if (!table)
104149 goto err_alloc;
104150
104151 table[0].data = &net->xfrm.xfrm6_dst_ops.gc_thresh;
104152 - }
104153 + hdr = register_net_sysctl(net, "net/ipv6", table);
104154 + } else
104155 + hdr = register_net_sysctl(net, "net/ipv6", xfrm6_policy_table);
104156
104157 - hdr = register_net_sysctl(net, "net/ipv6", table);
104158 if (!hdr)
104159 goto err_reg;
104160
104161 @@ -354,8 +360,7 @@ static int __net_init xfrm6_net_init(struct net *net)
104162 return 0;
104163
104164 err_reg:
104165 - if (!net_eq(net, &init_net))
104166 - kfree(table);
104167 + kfree(table);
104168 err_alloc:
104169 return -ENOMEM;
104170 }
104171 diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c
104172 index e15c16a..7cf07aa 100644
104173 --- a/net/ipx/ipx_proc.c
104174 +++ b/net/ipx/ipx_proc.c
104175 @@ -289,7 +289,7 @@ int __init ipx_proc_init(void)
104176 struct proc_dir_entry *p;
104177 int rc = -ENOMEM;
104178
104179 - ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net);
104180 + ipx_proc_dir = proc_mkdir_restrict("ipx", init_net.proc_net);
104181
104182 if (!ipx_proc_dir)
104183 goto out;
104184 diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
104185 index 61ceb4c..e788eb8 100644
104186 --- a/net/irda/ircomm/ircomm_tty.c
104187 +++ b/net/irda/ircomm/ircomm_tty.c
104188 @@ -317,10 +317,10 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
104189 add_wait_queue(&port->open_wait, &wait);
104190
104191 IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n",
104192 - __FILE__, __LINE__, tty->driver->name, port->count);
104193 + __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count));
104194
104195 spin_lock_irqsave(&port->lock, flags);
104196 - port->count--;
104197 + atomic_dec(&port->count);
104198 port->blocked_open++;
104199 spin_unlock_irqrestore(&port->lock, flags);
104200
104201 @@ -355,7 +355,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
104202 }
104203
104204 IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n",
104205 - __FILE__, __LINE__, tty->driver->name, port->count);
104206 + __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count));
104207
104208 schedule();
104209 }
104210 @@ -365,12 +365,12 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
104211
104212 spin_lock_irqsave(&port->lock, flags);
104213 if (!tty_hung_up_p(filp))
104214 - port->count++;
104215 + atomic_inc(&port->count);
104216 port->blocked_open--;
104217 spin_unlock_irqrestore(&port->lock, flags);
104218
104219 IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n",
104220 - __FILE__, __LINE__, tty->driver->name, port->count);
104221 + __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count));
104222
104223 if (!retval)
104224 port->flags |= ASYNC_NORMAL_ACTIVE;
104225 @@ -444,12 +444,12 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
104226
104227 /* ++ is not atomic, so this should be protected - Jean II */
104228 spin_lock_irqsave(&self->port.lock, flags);
104229 - self->port.count++;
104230 + atomic_inc(&self->port.count);
104231 spin_unlock_irqrestore(&self->port.lock, flags);
104232 tty_port_tty_set(&self->port, tty);
104233
104234 IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name,
104235 - self->line, self->port.count);
104236 + self->line, atomic_read(&self->port.count));
104237
104238 /* Not really used by us, but lets do it anyway */
104239 self->port.low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
104240 @@ -985,7 +985,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty)
104241 tty_kref_put(port->tty);
104242 }
104243 port->tty = NULL;
104244 - port->count = 0;
104245 + atomic_set(&port->count, 0);
104246 spin_unlock_irqrestore(&port->lock, flags);
104247
104248 wake_up_interruptible(&port->open_wait);
104249 @@ -1342,7 +1342,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m)
104250 seq_putc(m, '\n');
104251
104252 seq_printf(m, "Role: %s\n", self->client ? "client" : "server");
104253 - seq_printf(m, "Open count: %d\n", self->port.count);
104254 + seq_printf(m, "Open count: %d\n", atomic_read(&self->port.count));
104255 seq_printf(m, "Max data size: %d\n", self->max_data_size);
104256 seq_printf(m, "Max header size: %d\n", self->max_header_size);
104257
104258 diff --git a/net/irda/irproc.c b/net/irda/irproc.c
104259 index b9ac598..f88cc56 100644
104260 --- a/net/irda/irproc.c
104261 +++ b/net/irda/irproc.c
104262 @@ -66,7 +66,7 @@ void __init irda_proc_register(void)
104263 {
104264 int i;
104265
104266 - proc_irda = proc_mkdir("irda", init_net.proc_net);
104267 + proc_irda = proc_mkdir_restrict("irda", init_net.proc_net);
104268 if (proc_irda == NULL)
104269 return;
104270
104271 diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
104272 index a089b6b..3ca3b60 100644
104273 --- a/net/iucv/af_iucv.c
104274 +++ b/net/iucv/af_iucv.c
104275 @@ -686,10 +686,10 @@ static void __iucv_auto_name(struct iucv_sock *iucv)
104276 {
104277 char name[12];
104278
104279 - sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name));
104280 + sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
104281 while (__iucv_get_sock_by_name(name)) {
104282 sprintf(name, "%08x",
104283 - atomic_inc_return(&iucv_sk_list.autobind_name));
104284 + atomic_inc_return_unchecked(&iucv_sk_list.autobind_name));
104285 }
104286 memcpy(iucv->src_name, name, 8);
104287 }
104288 diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
104289 index 2a6a1fd..6c112b0 100644
104290 --- a/net/iucv/iucv.c
104291 +++ b/net/iucv/iucv.c
104292 @@ -702,7 +702,7 @@ static int iucv_cpu_notify(struct notifier_block *self,
104293 return NOTIFY_OK;
104294 }
104295
104296 -static struct notifier_block __refdata iucv_cpu_notifier = {
104297 +static struct notifier_block iucv_cpu_notifier = {
104298 .notifier_call = iucv_cpu_notify,
104299 };
104300
104301 diff --git a/net/key/af_key.c b/net/key/af_key.c
104302 index 1847ec4..26ef732 100644
104303 --- a/net/key/af_key.c
104304 +++ b/net/key/af_key.c
104305 @@ -3049,10 +3049,10 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struc
104306 static u32 get_acqseq(void)
104307 {
104308 u32 res;
104309 - static atomic_t acqseq;
104310 + static atomic_unchecked_t acqseq;
104311
104312 do {
104313 - res = atomic_inc_return(&acqseq);
104314 + res = atomic_inc_return_unchecked(&acqseq);
104315 } while (!res);
104316 return res;
104317 }
104318 diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
104319 index edb78e6..8dc654a 100644
104320 --- a/net/l2tp/l2tp_eth.c
104321 +++ b/net/l2tp/l2tp_eth.c
104322 @@ -42,12 +42,12 @@ struct l2tp_eth {
104323 struct sock *tunnel_sock;
104324 struct l2tp_session *session;
104325 struct list_head list;
104326 - atomic_long_t tx_bytes;
104327 - atomic_long_t tx_packets;
104328 - atomic_long_t tx_dropped;
104329 - atomic_long_t rx_bytes;
104330 - atomic_long_t rx_packets;
104331 - atomic_long_t rx_errors;
104332 + atomic_long_unchecked_t tx_bytes;
104333 + atomic_long_unchecked_t tx_packets;
104334 + atomic_long_unchecked_t tx_dropped;
104335 + atomic_long_unchecked_t rx_bytes;
104336 + atomic_long_unchecked_t rx_packets;
104337 + atomic_long_unchecked_t rx_errors;
104338 };
104339
104340 /* via l2tp_session_priv() */
104341 @@ -98,10 +98,10 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
104342 int ret = l2tp_xmit_skb(session, skb, session->hdr_len);
104343
104344 if (likely(ret == NET_XMIT_SUCCESS)) {
104345 - atomic_long_add(len, &priv->tx_bytes);
104346 - atomic_long_inc(&priv->tx_packets);
104347 + atomic_long_add_unchecked(len, &priv->tx_bytes);
104348 + atomic_long_inc_unchecked(&priv->tx_packets);
104349 } else {
104350 - atomic_long_inc(&priv->tx_dropped);
104351 + atomic_long_inc_unchecked(&priv->tx_dropped);
104352 }
104353 return NETDEV_TX_OK;
104354 }
104355 @@ -111,12 +111,12 @@ static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev,
104356 {
104357 struct l2tp_eth *priv = netdev_priv(dev);
104358
104359 - stats->tx_bytes = atomic_long_read(&priv->tx_bytes);
104360 - stats->tx_packets = atomic_long_read(&priv->tx_packets);
104361 - stats->tx_dropped = atomic_long_read(&priv->tx_dropped);
104362 - stats->rx_bytes = atomic_long_read(&priv->rx_bytes);
104363 - stats->rx_packets = atomic_long_read(&priv->rx_packets);
104364 - stats->rx_errors = atomic_long_read(&priv->rx_errors);
104365 + stats->tx_bytes = atomic_long_read_unchecked(&priv->tx_bytes);
104366 + stats->tx_packets = atomic_long_read_unchecked(&priv->tx_packets);
104367 + stats->tx_dropped = atomic_long_read_unchecked(&priv->tx_dropped);
104368 + stats->rx_bytes = atomic_long_read_unchecked(&priv->rx_bytes);
104369 + stats->rx_packets = atomic_long_read_unchecked(&priv->rx_packets);
104370 + stats->rx_errors = atomic_long_read_unchecked(&priv->rx_errors);
104371 return stats;
104372 }
104373
104374 @@ -166,15 +166,15 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb,
104375 nf_reset(skb);
104376
104377 if (dev_forward_skb(dev, skb) == NET_RX_SUCCESS) {
104378 - atomic_long_inc(&priv->rx_packets);
104379 - atomic_long_add(data_len, &priv->rx_bytes);
104380 + atomic_long_inc_unchecked(&priv->rx_packets);
104381 + atomic_long_add_unchecked(data_len, &priv->rx_bytes);
104382 } else {
104383 - atomic_long_inc(&priv->rx_errors);
104384 + atomic_long_inc_unchecked(&priv->rx_errors);
104385 }
104386 return;
104387
104388 error:
104389 - atomic_long_inc(&priv->rx_errors);
104390 + atomic_long_inc_unchecked(&priv->rx_errors);
104391 kfree_skb(skb);
104392 }
104393
104394 diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
104395 index 1a3c7e0..80f8b0c 100644
104396 --- a/net/llc/llc_proc.c
104397 +++ b/net/llc/llc_proc.c
104398 @@ -247,7 +247,7 @@ int __init llc_proc_init(void)
104399 int rc = -ENOMEM;
104400 struct proc_dir_entry *p;
104401
104402 - llc_proc_dir = proc_mkdir("llc", init_net.proc_net);
104403 + llc_proc_dir = proc_mkdir_restrict("llc", init_net.proc_net);
104404 if (!llc_proc_dir)
104405 goto out;
104406
104407 diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
104408 index 343da1e..509873f 100644
104409 --- a/net/mac80211/cfg.c
104410 +++ b/net/mac80211/cfg.c
104411 @@ -541,7 +541,7 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
104412 ret = ieee80211_vif_use_channel(sdata, chandef,
104413 IEEE80211_CHANCTX_EXCLUSIVE);
104414 }
104415 - } else if (local->open_count == local->monitors) {
104416 + } else if (local_read(&local->open_count) == local->monitors) {
104417 local->_oper_chandef = *chandef;
104418 ieee80211_hw_config(local, 0);
104419 }
104420 @@ -3326,7 +3326,7 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
104421 else
104422 local->probe_req_reg--;
104423
104424 - if (!local->open_count)
104425 + if (!local_read(&local->open_count))
104426 break;
104427
104428 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
104429 @@ -3460,8 +3460,8 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
104430 if (chanctx_conf) {
104431 *chandef = sdata->vif.bss_conf.chandef;
104432 ret = 0;
104433 - } else if (local->open_count > 0 &&
104434 - local->open_count == local->monitors &&
104435 + } else if (local_read(&local->open_count) > 0 &&
104436 + local_read(&local->open_count) == local->monitors &&
104437 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
104438 if (local->use_chanctx)
104439 *chandef = local->monitor_chandef;
104440 diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
104441 index 8c68da3..0695016 100644
104442 --- a/net/mac80211/ieee80211_i.h
104443 +++ b/net/mac80211/ieee80211_i.h
104444 @@ -29,6 +29,7 @@
104445 #include <net/ieee80211_radiotap.h>
104446 #include <net/cfg80211.h>
104447 #include <net/mac80211.h>
104448 +#include <asm/local.h>
104449 #include "key.h"
104450 #include "sta_info.h"
104451 #include "debug.h"
104452 @@ -1057,7 +1058,7 @@ struct ieee80211_local {
104453 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
104454 spinlock_t queue_stop_reason_lock;
104455
104456 - int open_count;
104457 + local_t open_count;
104458 int monitors, cooked_mntrs;
104459 /* number of interfaces with corresponding FIF_ flags */
104460 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
104461 diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
104462 index eeae0ab..0f24585 100644
104463 --- a/net/mac80211/iface.c
104464 +++ b/net/mac80211/iface.c
104465 @@ -533,7 +533,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
104466 break;
104467 }
104468
104469 - if (local->open_count == 0) {
104470 + if (local_read(&local->open_count) == 0) {
104471 res = drv_start(local);
104472 if (res)
104473 goto err_del_bss;
104474 @@ -580,7 +580,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
104475 res = drv_add_interface(local, sdata);
104476 if (res)
104477 goto err_stop;
104478 - } else if (local->monitors == 0 && local->open_count == 0) {
104479 + } else if (local->monitors == 0 && local_read(&local->open_count) == 0) {
104480 res = ieee80211_add_virtual_monitor(local);
104481 if (res)
104482 goto err_stop;
104483 @@ -689,7 +689,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
104484 atomic_inc(&local->iff_promiscs);
104485
104486 if (coming_up)
104487 - local->open_count++;
104488 + local_inc(&local->open_count);
104489
104490 if (hw_reconf_flags)
104491 ieee80211_hw_config(local, hw_reconf_flags);
104492 @@ -727,7 +727,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
104493 err_del_interface:
104494 drv_remove_interface(local, sdata);
104495 err_stop:
104496 - if (!local->open_count)
104497 + if (!local_read(&local->open_count))
104498 drv_stop(local);
104499 err_del_bss:
104500 sdata->bss = NULL;
104501 @@ -893,7 +893,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
104502 }
104503
104504 if (going_down)
104505 - local->open_count--;
104506 + local_dec(&local->open_count);
104507
104508 switch (sdata->vif.type) {
104509 case NL80211_IFTYPE_AP_VLAN:
104510 @@ -955,7 +955,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
104511 }
104512 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
104513
104514 - if (local->open_count == 0)
104515 + if (local_read(&local->open_count) == 0)
104516 ieee80211_clear_tx_pending(local);
104517
104518 /*
104519 @@ -998,7 +998,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
104520 if (cancel_scan)
104521 flush_delayed_work(&local->scan_work);
104522
104523 - if (local->open_count == 0) {
104524 + if (local_read(&local->open_count) == 0) {
104525 ieee80211_stop_device(local);
104526
104527 /* no reconfiguring after stop! */
104528 @@ -1009,7 +1009,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
104529 ieee80211_configure_filter(local);
104530 ieee80211_hw_config(local, hw_reconf_flags);
104531
104532 - if (local->monitors == local->open_count)
104533 + if (local->monitors == local_read(&local->open_count))
104534 ieee80211_add_virtual_monitor(local);
104535 }
104536
104537 diff --git a/net/mac80211/main.c b/net/mac80211/main.c
104538 index 0de7c93..884b2ca 100644
104539 --- a/net/mac80211/main.c
104540 +++ b/net/mac80211/main.c
104541 @@ -175,7 +175,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
104542 changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL |
104543 IEEE80211_CONF_CHANGE_POWER);
104544
104545 - if (changed && local->open_count) {
104546 + if (changed && local_read(&local->open_count)) {
104547 ret = drv_config(local, changed);
104548 /*
104549 * Goal:
104550 diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
104551 index 4c5192e..04cc0d8 100644
104552 --- a/net/mac80211/pm.c
104553 +++ b/net/mac80211/pm.c
104554 @@ -12,7 +12,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
104555 struct ieee80211_sub_if_data *sdata;
104556 struct sta_info *sta;
104557
104558 - if (!local->open_count)
104559 + if (!local_read(&local->open_count))
104560 goto suspend;
104561
104562 ieee80211_scan_cancel(local);
104563 @@ -59,7 +59,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
104564 cancel_work_sync(&local->dynamic_ps_enable_work);
104565 del_timer_sync(&local->dynamic_ps_timer);
104566
104567 - local->wowlan = wowlan && local->open_count;
104568 + local->wowlan = wowlan && local_read(&local->open_count);
104569 if (local->wowlan) {
104570 int err = drv_suspend(local, wowlan);
104571 if (err < 0) {
104572 @@ -125,7 +125,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
104573 WARN_ON(!list_empty(&local->chanctx_list));
104574
104575 /* stop hardware - this must stop RX */
104576 - if (local->open_count)
104577 + if (local_read(&local->open_count))
104578 ieee80211_stop_device(local);
104579
104580 suspend:
104581 diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
104582 index 6081329..ab23834 100644
104583 --- a/net/mac80211/rate.c
104584 +++ b/net/mac80211/rate.c
104585 @@ -720,7 +720,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
104586
104587 ASSERT_RTNL();
104588
104589 - if (local->open_count)
104590 + if (local_read(&local->open_count))
104591 return -EBUSY;
104592
104593 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
104594 diff --git a/net/mac80211/util.c b/net/mac80211/util.c
104595 index 3c61060..7bed2e3 100644
104596 --- a/net/mac80211/util.c
104597 +++ b/net/mac80211/util.c
104598 @@ -1669,7 +1669,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
104599 }
104600 #endif
104601 /* everything else happens only if HW was up & running */
104602 - if (!local->open_count)
104603 + if (!local_read(&local->open_count))
104604 goto wake_up;
104605
104606 /*
104607 @@ -1895,7 +1895,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
104608 local->in_reconfig = false;
104609 barrier();
104610
104611 - if (local->monitors == local->open_count && local->monitors > 0)
104612 + if (local->monitors == local_read(&local->open_count) && local->monitors > 0)
104613 ieee80211_add_virtual_monitor(local);
104614
104615 /*
104616 diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
104617 index ae5096ab..e5aa70a 100644
104618 --- a/net/netfilter/Kconfig
104619 +++ b/net/netfilter/Kconfig
104620 @@ -1105,6 +1105,16 @@ config NETFILTER_XT_MATCH_ESP
104621
104622 To compile it as a module, choose M here. If unsure, say N.
104623
104624 +config NETFILTER_XT_MATCH_GRADM
104625 + tristate '"gradm" match support'
104626 + depends on NETFILTER_XTABLES && NETFILTER_ADVANCED
104627 + depends on GRKERNSEC && !GRKERNSEC_NO_RBAC
104628 + ---help---
104629 + The gradm match allows to match on grsecurity RBAC being enabled.
104630 + It is useful when iptables rules are applied early on bootup to
104631 + prevent connections to the machine (except from a trusted host)
104632 + while the RBAC system is disabled.
104633 +
104634 config NETFILTER_XT_MATCH_HASHLIMIT
104635 tristate '"hashlimit" match support'
104636 depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n)
104637 diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
104638 index a9571be..c59e173 100644
104639 --- a/net/netfilter/Makefile
104640 +++ b/net/netfilter/Makefile
104641 @@ -137,6 +137,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o
104642 obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o
104643 obj-$(CONFIG_NETFILTER_XT_MATCH_ECN) += xt_ecn.o
104644 obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o
104645 +obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o
104646 obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
104647 obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
104648 obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
104649 diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
104650 index d259da3..6a32b2c 100644
104651 --- a/net/netfilter/ipset/ip_set_core.c
104652 +++ b/net/netfilter/ipset/ip_set_core.c
104653 @@ -1952,7 +1952,7 @@ done:
104654 return ret;
104655 }
104656
104657 -static struct nf_sockopt_ops so_set __read_mostly = {
104658 +static struct nf_sockopt_ops so_set = {
104659 .pf = PF_INET,
104660 .get_optmin = SO_IP_SET,
104661 .get_optmax = SO_IP_SET + 1,
104662 diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
104663 index b0f7b62..0541842 100644
104664 --- a/net/netfilter/ipvs/ip_vs_conn.c
104665 +++ b/net/netfilter/ipvs/ip_vs_conn.c
104666 @@ -572,7 +572,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
104667 /* Increase the refcnt counter of the dest */
104668 ip_vs_dest_hold(dest);
104669
104670 - conn_flags = atomic_read(&dest->conn_flags);
104671 + conn_flags = atomic_read_unchecked(&dest->conn_flags);
104672 if (cp->protocol != IPPROTO_UDP)
104673 conn_flags &= ~IP_VS_CONN_F_ONE_PACKET;
104674 flags = cp->flags;
104675 @@ -922,7 +922,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,
104676
104677 cp->control = NULL;
104678 atomic_set(&cp->n_control, 0);
104679 - atomic_set(&cp->in_pkts, 0);
104680 + atomic_set_unchecked(&cp->in_pkts, 0);
104681
104682 cp->packet_xmit = NULL;
104683 cp->app = NULL;
104684 @@ -1229,7 +1229,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
104685
104686 /* Don't drop the entry if its number of incoming packets is not
104687 located in [0, 8] */
104688 - i = atomic_read(&cp->in_pkts);
104689 + i = atomic_read_unchecked(&cp->in_pkts);
104690 if (i > 8 || i < 0) return 0;
104691
104692 if (!todrop_rate[i]) return 0;
104693 diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
104694 index 990decb..5075248 100644
104695 --- a/net/netfilter/ipvs/ip_vs_core.c
104696 +++ b/net/netfilter/ipvs/ip_vs_core.c
104697 @@ -568,7 +568,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
104698 ret = cp->packet_xmit(skb, cp, pd->pp, iph);
104699 /* do not touch skb anymore */
104700
104701 - atomic_inc(&cp->in_pkts);
104702 + atomic_inc_unchecked(&cp->in_pkts);
104703 ip_vs_conn_put(cp);
104704 return ret;
104705 }
104706 @@ -1712,7 +1712,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
104707 if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
104708 pkts = sysctl_sync_threshold(ipvs);
104709 else
104710 - pkts = atomic_add_return(1, &cp->in_pkts);
104711 + pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
104712
104713 if (ipvs->sync_state & IP_VS_STATE_MASTER)
104714 ip_vs_sync_conn(net, cp, pkts);
104715 diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
104716 index ac7ba68..9735acb9 100644
104717 --- a/net/netfilter/ipvs/ip_vs_ctl.c
104718 +++ b/net/netfilter/ipvs/ip_vs_ctl.c
104719 @@ -800,7 +800,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
104720 */
104721 ip_vs_rs_hash(ipvs, dest);
104722 }
104723 - atomic_set(&dest->conn_flags, conn_flags);
104724 + atomic_set_unchecked(&dest->conn_flags, conn_flags);
104725
104726 /* bind the service */
104727 old_svc = rcu_dereference_protected(dest->svc, 1);
104728 @@ -1665,7 +1665,7 @@ proc_do_sync_ports(struct ctl_table *table, int write,
104729 * align with netns init in ip_vs_control_net_init()
104730 */
104731
104732 -static struct ctl_table vs_vars[] = {
104733 +static ctl_table_no_const vs_vars[] __read_only = {
104734 {
104735 .procname = "amemthresh",
104736 .maxlen = sizeof(int),
104737 @@ -2000,7 +2000,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
104738 " %-7s %-6d %-10d %-10d\n",
104739 &dest->addr.in6,
104740 ntohs(dest->port),
104741 - ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
104742 + ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
104743 atomic_read(&dest->weight),
104744 atomic_read(&dest->activeconns),
104745 atomic_read(&dest->inactconns));
104746 @@ -2011,7 +2011,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
104747 "%-7s %-6d %-10d %-10d\n",
104748 ntohl(dest->addr.ip),
104749 ntohs(dest->port),
104750 - ip_vs_fwd_name(atomic_read(&dest->conn_flags)),
104751 + ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)),
104752 atomic_read(&dest->weight),
104753 atomic_read(&dest->activeconns),
104754 atomic_read(&dest->inactconns));
104755 @@ -2500,7 +2500,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
104756
104757 entry.addr = dest->addr.ip;
104758 entry.port = dest->port;
104759 - entry.conn_flags = atomic_read(&dest->conn_flags);
104760 + entry.conn_flags = atomic_read_unchecked(&dest->conn_flags);
104761 entry.weight = atomic_read(&dest->weight);
104762 entry.u_threshold = dest->u_threshold;
104763 entry.l_threshold = dest->l_threshold;
104764 @@ -3040,7 +3040,7 @@ static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest)
104765 if (nla_put(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr) ||
104766 nla_put_be16(skb, IPVS_DEST_ATTR_PORT, dest->port) ||
104767 nla_put_u32(skb, IPVS_DEST_ATTR_FWD_METHOD,
104768 - (atomic_read(&dest->conn_flags) &
104769 + (atomic_read_unchecked(&dest->conn_flags) &
104770 IP_VS_CONN_F_FWD_MASK)) ||
104771 nla_put_u32(skb, IPVS_DEST_ATTR_WEIGHT,
104772 atomic_read(&dest->weight)) ||
104773 @@ -3673,7 +3673,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net)
104774 {
104775 int idx;
104776 struct netns_ipvs *ipvs = net_ipvs(net);
104777 - struct ctl_table *tbl;
104778 + ctl_table_no_const *tbl;
104779
104780 atomic_set(&ipvs->dropentry, 0);
104781 spin_lock_init(&ipvs->dropentry_lock);
104782 diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
104783 index 127f140..553d652 100644
104784 --- a/net/netfilter/ipvs/ip_vs_lblc.c
104785 +++ b/net/netfilter/ipvs/ip_vs_lblc.c
104786 @@ -118,7 +118,7 @@ struct ip_vs_lblc_table {
104787 * IPVS LBLC sysctl table
104788 */
104789 #ifdef CONFIG_SYSCTL
104790 -static struct ctl_table vs_vars_table[] = {
104791 +static ctl_table_no_const vs_vars_table[] __read_only = {
104792 {
104793 .procname = "lblc_expiration",
104794 .data = NULL,
104795 diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
104796 index 2229d2d..b32b785 100644
104797 --- a/net/netfilter/ipvs/ip_vs_lblcr.c
104798 +++ b/net/netfilter/ipvs/ip_vs_lblcr.c
104799 @@ -289,7 +289,7 @@ struct ip_vs_lblcr_table {
104800 * IPVS LBLCR sysctl table
104801 */
104802
104803 -static struct ctl_table vs_vars_table[] = {
104804 +static ctl_table_no_const vs_vars_table[] __read_only = {
104805 {
104806 .procname = "lblcr_expiration",
104807 .data = NULL,
104808 diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
104809 index 7162c86..9eeb60e 100644
104810 --- a/net/netfilter/ipvs/ip_vs_sync.c
104811 +++ b/net/netfilter/ipvs/ip_vs_sync.c
104812 @@ -609,7 +609,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
104813 cp = cp->control;
104814 if (cp) {
104815 if (cp->flags & IP_VS_CONN_F_TEMPLATE)
104816 - pkts = atomic_add_return(1, &cp->in_pkts);
104817 + pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
104818 else
104819 pkts = sysctl_sync_threshold(ipvs);
104820 ip_vs_sync_conn(net, cp->control, pkts);
104821 @@ -771,7 +771,7 @@ control:
104822 if (!cp)
104823 return;
104824 if (cp->flags & IP_VS_CONN_F_TEMPLATE)
104825 - pkts = atomic_add_return(1, &cp->in_pkts);
104826 + pkts = atomic_add_return_unchecked(1, &cp->in_pkts);
104827 else
104828 pkts = sysctl_sync_threshold(ipvs);
104829 goto sloop;
104830 @@ -901,7 +901,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
104831
104832 if (opt)
104833 memcpy(&cp->in_seq, opt, sizeof(*opt));
104834 - atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs));
104835 + atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs));
104836 cp->state = state;
104837 cp->old_state = cp->state;
104838 /*
104839 diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
104840 index bd90bf8..816a020d 100644
104841 --- a/net/netfilter/ipvs/ip_vs_xmit.c
104842 +++ b/net/netfilter/ipvs/ip_vs_xmit.c
104843 @@ -1215,7 +1215,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
104844 else
104845 rc = NF_ACCEPT;
104846 /* do not touch skb anymore */
104847 - atomic_inc(&cp->in_pkts);
104848 + atomic_inc_unchecked(&cp->in_pkts);
104849 goto out;
104850 }
104851
104852 @@ -1308,7 +1308,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
104853 else
104854 rc = NF_ACCEPT;
104855 /* do not touch skb anymore */
104856 - atomic_inc(&cp->in_pkts);
104857 + atomic_inc_unchecked(&cp->in_pkts);
104858 goto out;
104859 }
104860
104861 diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c
104862 index a4b5e2a..13b1de3 100644
104863 --- a/net/netfilter/nf_conntrack_acct.c
104864 +++ b/net/netfilter/nf_conntrack_acct.c
104865 @@ -62,7 +62,7 @@ static struct nf_ct_ext_type acct_extend __read_mostly = {
104866 #ifdef CONFIG_SYSCTL
104867 static int nf_conntrack_acct_init_sysctl(struct net *net)
104868 {
104869 - struct ctl_table *table;
104870 + ctl_table_no_const *table;
104871
104872 table = kmemdup(acct_sysctl_table, sizeof(acct_sysctl_table),
104873 GFP_KERNEL);
104874 diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
104875 index c588012..b0d4ef8 100644
104876 --- a/net/netfilter/nf_conntrack_core.c
104877 +++ b/net/netfilter/nf_conntrack_core.c
104878 @@ -1737,6 +1737,10 @@ void nf_conntrack_init_end(void)
104879 #define DYING_NULLS_VAL ((1<<30)+1)
104880 #define TEMPLATE_NULLS_VAL ((1<<30)+2)
104881
104882 +#ifdef CONFIG_GRKERNSEC_HIDESYM
104883 +static atomic_unchecked_t conntrack_cache_id = ATOMIC_INIT(0);
104884 +#endif
104885 +
104886 int nf_conntrack_init_net(struct net *net)
104887 {
104888 int ret = -ENOMEM;
104889 @@ -1762,7 +1766,11 @@ int nf_conntrack_init_net(struct net *net)
104890 if (!net->ct.stat)
104891 goto err_pcpu_lists;
104892
104893 +#ifdef CONFIG_GRKERNSEC_HIDESYM
104894 + net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08x", atomic_inc_return_unchecked(&conntrack_cache_id));
104895 +#else
104896 net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net);
104897 +#endif
104898 if (!net->ct.slabname)
104899 goto err_slabname;
104900
104901 diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
104902 index 4e78c57..ec8fb74 100644
104903 --- a/net/netfilter/nf_conntrack_ecache.c
104904 +++ b/net/netfilter/nf_conntrack_ecache.c
104905 @@ -264,7 +264,7 @@ static struct nf_ct_ext_type event_extend __read_mostly = {
104906 #ifdef CONFIG_SYSCTL
104907 static int nf_conntrack_event_init_sysctl(struct net *net)
104908 {
104909 - struct ctl_table *table;
104910 + ctl_table_no_const *table;
104911
104912 table = kmemdup(event_sysctl_table, sizeof(event_sysctl_table),
104913 GFP_KERNEL);
104914 diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
104915 index 5b3eae7..dd4b8fe 100644
104916 --- a/net/netfilter/nf_conntrack_helper.c
104917 +++ b/net/netfilter/nf_conntrack_helper.c
104918 @@ -57,7 +57,7 @@ static struct ctl_table helper_sysctl_table[] = {
104919
104920 static int nf_conntrack_helper_init_sysctl(struct net *net)
104921 {
104922 - struct ctl_table *table;
104923 + ctl_table_no_const *table;
104924
104925 table = kmemdup(helper_sysctl_table, sizeof(helper_sysctl_table),
104926 GFP_KERNEL);
104927 diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
104928 index b65d586..beec902 100644
104929 --- a/net/netfilter/nf_conntrack_proto.c
104930 +++ b/net/netfilter/nf_conntrack_proto.c
104931 @@ -52,7 +52,7 @@ nf_ct_register_sysctl(struct net *net,
104932
104933 static void
104934 nf_ct_unregister_sysctl(struct ctl_table_header **header,
104935 - struct ctl_table **table,
104936 + ctl_table_no_const **table,
104937 unsigned int users)
104938 {
104939 if (users > 0)
104940 diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
104941 index cf65a1e..2f291e9 100644
104942 --- a/net/netfilter/nf_conntrack_standalone.c
104943 +++ b/net/netfilter/nf_conntrack_standalone.c
104944 @@ -471,7 +471,7 @@ static struct ctl_table nf_ct_netfilter_table[] = {
104945
104946 static int nf_conntrack_standalone_init_sysctl(struct net *net)
104947 {
104948 - struct ctl_table *table;
104949 + ctl_table_no_const *table;
104950
104951 table = kmemdup(nf_ct_sysctl_table, sizeof(nf_ct_sysctl_table),
104952 GFP_KERNEL);
104953 diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c
104954 index 7a394df..bd91a8a 100644
104955 --- a/net/netfilter/nf_conntrack_timestamp.c
104956 +++ b/net/netfilter/nf_conntrack_timestamp.c
104957 @@ -42,7 +42,7 @@ static struct nf_ct_ext_type tstamp_extend __read_mostly = {
104958 #ifdef CONFIG_SYSCTL
104959 static int nf_conntrack_tstamp_init_sysctl(struct net *net)
104960 {
104961 - struct ctl_table *table;
104962 + ctl_table_no_const *table;
104963
104964 table = kmemdup(tstamp_sysctl_table, sizeof(tstamp_sysctl_table),
104965 GFP_KERNEL);
104966 diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
104967 index d719764..311bc60 100644
104968 --- a/net/netfilter/nf_log.c
104969 +++ b/net/netfilter/nf_log.c
104970 @@ -353,7 +353,7 @@ static const struct file_operations nflog_file_ops = {
104971
104972 #ifdef CONFIG_SYSCTL
104973 static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3];
104974 -static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1];
104975 +static ctl_table_no_const nf_log_sysctl_table[NFPROTO_NUMPROTO+1] __read_only;
104976
104977 static int nf_log_proc_dostring(struct ctl_table *table, int write,
104978 void __user *buffer, size_t *lenp, loff_t *ppos)
104979 @@ -384,14 +384,16 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write,
104980 rcu_assign_pointer(net->nf.nf_loggers[tindex], logger);
104981 mutex_unlock(&nf_log_mutex);
104982 } else {
104983 + ctl_table_no_const nf_log_table = *table;
104984 +
104985 mutex_lock(&nf_log_mutex);
104986 logger = rcu_dereference_protected(net->nf.nf_loggers[tindex],
104987 lockdep_is_held(&nf_log_mutex));
104988 if (!logger)
104989 - table->data = "NONE";
104990 + nf_log_table.data = "NONE";
104991 else
104992 - table->data = logger->name;
104993 - r = proc_dostring(table, write, buffer, lenp, ppos);
104994 + nf_log_table.data = logger->name;
104995 + r = proc_dostring(&nf_log_table, write, buffer, lenp, ppos);
104996 mutex_unlock(&nf_log_mutex);
104997 }
104998
104999 diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
105000 index c68c1e5..8b5d670 100644
105001 --- a/net/netfilter/nf_sockopt.c
105002 +++ b/net/netfilter/nf_sockopt.c
105003 @@ -43,7 +43,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg)
105004 }
105005 }
105006
105007 - list_add(&reg->list, &nf_sockopts);
105008 + pax_list_add((struct list_head *)&reg->list, &nf_sockopts);
105009 out:
105010 mutex_unlock(&nf_sockopt_mutex);
105011 return ret;
105012 @@ -53,7 +53,7 @@ EXPORT_SYMBOL(nf_register_sockopt);
105013 void nf_unregister_sockopt(struct nf_sockopt_ops *reg)
105014 {
105015 mutex_lock(&nf_sockopt_mutex);
105016 - list_del(&reg->list);
105017 + pax_list_del((struct list_head *)&reg->list);
105018 mutex_unlock(&nf_sockopt_mutex);
105019 }
105020 EXPORT_SYMBOL(nf_unregister_sockopt);
105021 diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
105022 index 5f1be5b..2cba8cd 100644
105023 --- a/net/netfilter/nfnetlink_log.c
105024 +++ b/net/netfilter/nfnetlink_log.c
105025 @@ -80,7 +80,7 @@ static int nfnl_log_net_id __read_mostly;
105026 struct nfnl_log_net {
105027 spinlock_t instances_lock;
105028 struct hlist_head instance_table[INSTANCE_BUCKETS];
105029 - atomic_t global_seq;
105030 + atomic_unchecked_t global_seq;
105031 };
105032
105033 static struct nfnl_log_net *nfnl_log_pernet(struct net *net)
105034 @@ -563,7 +563,7 @@ __build_packet_message(struct nfnl_log_net *log,
105035 /* global sequence number */
105036 if ((inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) &&
105037 nla_put_be32(inst->skb, NFULA_SEQ_GLOBAL,
105038 - htonl(atomic_inc_return(&log->global_seq))))
105039 + htonl(atomic_inc_return_unchecked(&log->global_seq))))
105040 goto nla_put_failure;
105041
105042 if (data_len) {
105043 diff --git a/net/netfilter/xt_gradm.c b/net/netfilter/xt_gradm.c
105044 new file mode 100644
105045 index 0000000..c566332
105046 --- /dev/null
105047 +++ b/net/netfilter/xt_gradm.c
105048 @@ -0,0 +1,51 @@
105049 +/*
105050 + * gradm match for netfilter
105051 + * Copyright © Zbigniew Krzystolik, 2010
105052 + *
105053 + * This program is free software; you can redistribute it and/or modify
105054 + * it under the terms of the GNU General Public License; either version
105055 + * 2 or 3 as published by the Free Software Foundation.
105056 + */
105057 +#include <linux/module.h>
105058 +#include <linux/moduleparam.h>
105059 +#include <linux/skbuff.h>
105060 +#include <linux/netfilter/x_tables.h>
105061 +#include <linux/grsecurity.h>
105062 +#include <linux/netfilter/xt_gradm.h>
105063 +
105064 +static bool
105065 +gradm_mt(const struct sk_buff *skb, struct xt_action_param *par)
105066 +{
105067 + const struct xt_gradm_mtinfo *info = par->matchinfo;
105068 + bool retval = false;
105069 + if (gr_acl_is_enabled())
105070 + retval = true;
105071 + return retval ^ info->invflags;
105072 +}
105073 +
105074 +static struct xt_match gradm_mt_reg __read_mostly = {
105075 + .name = "gradm",
105076 + .revision = 0,
105077 + .family = NFPROTO_UNSPEC,
105078 + .match = gradm_mt,
105079 + .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)),
105080 + .me = THIS_MODULE,
105081 +};
105082 +
105083 +static int __init gradm_mt_init(void)
105084 +{
105085 + return xt_register_match(&gradm_mt_reg);
105086 +}
105087 +
105088 +static void __exit gradm_mt_exit(void)
105089 +{
105090 + xt_unregister_match(&gradm_mt_reg);
105091 +}
105092 +
105093 +module_init(gradm_mt_init);
105094 +module_exit(gradm_mt_exit);
105095 +MODULE_AUTHOR("Zbigniew Krzystolik <zbyniu@destrukcja.pl>");
105096 +MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match");
105097 +MODULE_LICENSE("GPL");
105098 +MODULE_ALIAS("ipt_gradm");
105099 +MODULE_ALIAS("ip6t_gradm");
105100 diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
105101 index 05fbc2a..4424b5c 100644
105102 --- a/net/netfilter/xt_hashlimit.c
105103 +++ b/net/netfilter/xt_hashlimit.c
105104 @@ -871,11 +871,11 @@ static int __net_init hashlimit_proc_net_init(struct net *net)
105105 {
105106 struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
105107
105108 - hashlimit_net->ipt_hashlimit = proc_mkdir("ipt_hashlimit", net->proc_net);
105109 + hashlimit_net->ipt_hashlimit = proc_mkdir_restrict("ipt_hashlimit", net->proc_net);
105110 if (!hashlimit_net->ipt_hashlimit)
105111 return -ENOMEM;
105112 #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
105113 - hashlimit_net->ip6t_hashlimit = proc_mkdir("ip6t_hashlimit", net->proc_net);
105114 + hashlimit_net->ip6t_hashlimit = proc_mkdir_restrict("ip6t_hashlimit", net->proc_net);
105115 if (!hashlimit_net->ip6t_hashlimit) {
105116 remove_proc_entry("ipt_hashlimit", net->proc_net);
105117 return -ENOMEM;
105118 diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
105119 index a9faae8..1ea30e0 100644
105120 --- a/net/netfilter/xt_recent.c
105121 +++ b/net/netfilter/xt_recent.c
105122 @@ -615,7 +615,7 @@ static int __net_init recent_proc_net_init(struct net *net)
105123 {
105124 struct recent_net *recent_net = recent_pernet(net);
105125
105126 - recent_net->xt_recent = proc_mkdir("xt_recent", net->proc_net);
105127 + recent_net->xt_recent = proc_mkdir_restrict("xt_recent", net->proc_net);
105128 if (!recent_net->xt_recent)
105129 return -ENOMEM;
105130 return 0;
105131 diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c
105132 index 11de55e..f25e448 100644
105133 --- a/net/netfilter/xt_statistic.c
105134 +++ b/net/netfilter/xt_statistic.c
105135 @@ -19,7 +19,7 @@
105136 #include <linux/module.h>
105137
105138 struct xt_statistic_priv {
105139 - atomic_t count;
105140 + atomic_unchecked_t count;
105141 } ____cacheline_aligned_in_smp;
105142
105143 MODULE_LICENSE("GPL");
105144 @@ -42,9 +42,9 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par)
105145 break;
105146 case XT_STATISTIC_MODE_NTH:
105147 do {
105148 - oval = atomic_read(&info->master->count);
105149 + oval = atomic_read_unchecked(&info->master->count);
105150 nval = (oval == info->u.nth.every) ? 0 : oval + 1;
105151 - } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval);
105152 + } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval);
105153 if (nval == 0)
105154 ret = !ret;
105155 break;
105156 @@ -64,7 +64,7 @@ static int statistic_mt_check(const struct xt_mtchk_param *par)
105157 info->master = kzalloc(sizeof(*info->master), GFP_KERNEL);
105158 if (info->master == NULL)
105159 return -ENOMEM;
105160 - atomic_set(&info->master->count, info->u.nth.count);
105161 + atomic_set_unchecked(&info->master->count, info->u.nth.count);
105162
105163 return 0;
105164 }
105165 diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
105166 index 79c965a..ee2b76d 100644
105167 --- a/net/netlink/af_netlink.c
105168 +++ b/net/netlink/af_netlink.c
105169 @@ -273,7 +273,7 @@ static void netlink_overrun(struct sock *sk)
105170 sk->sk_error_report(sk);
105171 }
105172 }
105173 - atomic_inc(&sk->sk_drops);
105174 + atomic_inc_unchecked(&sk->sk_drops);
105175 }
105176
105177 static void netlink_rcv_wake(struct sock *sk)
105178 @@ -2990,7 +2990,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
105179 sk_wmem_alloc_get(s),
105180 nlk->cb_running,
105181 atomic_read(&s->sk_refcnt),
105182 - atomic_read(&s->sk_drops),
105183 + atomic_read_unchecked(&s->sk_drops),
105184 sock_i_ino(s)
105185 );
105186
105187 diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
105188 index 8451612..c8872bc 100644
105189 --- a/net/openvswitch/vport-internal_dev.c
105190 +++ b/net/openvswitch/vport-internal_dev.c
105191 @@ -122,7 +122,7 @@ static const struct net_device_ops internal_dev_netdev_ops = {
105192 .ndo_get_stats64 = internal_dev_get_stats,
105193 };
105194
105195 -static struct rtnl_link_ops internal_dev_link_ops __read_mostly = {
105196 +static struct rtnl_link_ops internal_dev_link_ops = {
105197 .kind = "openvswitch",
105198 };
105199
105200 diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
105201 index 6015802..e81e8bf 100644
105202 --- a/net/openvswitch/vport.c
105203 +++ b/net/openvswitch/vport.c
105204 @@ -269,10 +269,10 @@ void ovs_vport_get_stats(struct vport *vport, struct ovs_vport_stats *stats)
105205 * netdev-stats can be directly read over netlink-ioctl.
105206 */
105207
105208 - stats->rx_errors = atomic_long_read(&vport->err_stats.rx_errors);
105209 - stats->tx_errors = atomic_long_read(&vport->err_stats.tx_errors);
105210 - stats->tx_dropped = atomic_long_read(&vport->err_stats.tx_dropped);
105211 - stats->rx_dropped = atomic_long_read(&vport->err_stats.rx_dropped);
105212 + stats->rx_errors = atomic_long_read_unchecked(&vport->err_stats.rx_errors);
105213 + stats->tx_errors = atomic_long_read_unchecked(&vport->err_stats.tx_errors);
105214 + stats->tx_dropped = atomic_long_read_unchecked(&vport->err_stats.tx_dropped);
105215 + stats->rx_dropped = atomic_long_read_unchecked(&vport->err_stats.rx_dropped);
105216
105217 for_each_possible_cpu(i) {
105218 const struct pcpu_sw_netstats *percpu_stats;
105219 @@ -503,19 +503,19 @@ static void ovs_vport_record_error(struct vport *vport,
105220 {
105221 switch (err_type) {
105222 case VPORT_E_RX_DROPPED:
105223 - atomic_long_inc(&vport->err_stats.rx_dropped);
105224 + atomic_long_inc_unchecked(&vport->err_stats.rx_dropped);
105225 break;
105226
105227 case VPORT_E_RX_ERROR:
105228 - atomic_long_inc(&vport->err_stats.rx_errors);
105229 + atomic_long_inc_unchecked(&vport->err_stats.rx_errors);
105230 break;
105231
105232 case VPORT_E_TX_DROPPED:
105233 - atomic_long_inc(&vport->err_stats.tx_dropped);
105234 + atomic_long_inc_unchecked(&vport->err_stats.tx_dropped);
105235 break;
105236
105237 case VPORT_E_TX_ERROR:
105238 - atomic_long_inc(&vport->err_stats.tx_errors);
105239 + atomic_long_inc_unchecked(&vport->err_stats.tx_errors);
105240 break;
105241 }
105242
105243 diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
105244 index 8942125..03ed887 100644
105245 --- a/net/openvswitch/vport.h
105246 +++ b/net/openvswitch/vport.h
105247 @@ -61,10 +61,10 @@ int ovs_vport_send(struct vport *, struct sk_buff *);
105248 /* The following definitions are for implementers of vport devices: */
105249
105250 struct vport_err_stats {
105251 - atomic_long_t rx_dropped;
105252 - atomic_long_t rx_errors;
105253 - atomic_long_t tx_dropped;
105254 - atomic_long_t tx_errors;
105255 + atomic_long_unchecked_t rx_dropped;
105256 + atomic_long_unchecked_t rx_errors;
105257 + atomic_long_unchecked_t tx_dropped;
105258 + atomic_long_unchecked_t tx_errors;
105259 };
105260 /**
105261 * struct vport_portids - array of netlink portids of a vport.
105262 diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
105263 index 07c04a8..3ca11eb 100644
105264 --- a/net/packet/af_packet.c
105265 +++ b/net/packet/af_packet.c
105266 @@ -269,7 +269,7 @@ static int packet_direct_xmit(struct sk_buff *skb)
105267
105268 return ret;
105269 drop:
105270 - atomic_long_inc(&dev->tx_dropped);
105271 + atomic_long_inc_unchecked(&dev->tx_dropped);
105272 kfree_skb(skb);
105273 return NET_XMIT_DROP;
105274 }
105275 @@ -1836,7 +1836,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
105276
105277 spin_lock(&sk->sk_receive_queue.lock);
105278 po->stats.stats1.tp_packets++;
105279 - skb->dropcount = atomic_read(&sk->sk_drops);
105280 + skb->dropcount = atomic_read_unchecked(&sk->sk_drops);
105281 __skb_queue_tail(&sk->sk_receive_queue, skb);
105282 spin_unlock(&sk->sk_receive_queue.lock);
105283 sk->sk_data_ready(sk);
105284 @@ -1845,7 +1845,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
105285 drop_n_acct:
105286 spin_lock(&sk->sk_receive_queue.lock);
105287 po->stats.stats1.tp_drops++;
105288 - atomic_inc(&sk->sk_drops);
105289 + atomic_inc_unchecked(&sk->sk_drops);
105290 spin_unlock(&sk->sk_receive_queue.lock);
105291
105292 drop_n_restore:
105293 @@ -3460,7 +3460,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
105294 case PACKET_HDRLEN:
105295 if (len > sizeof(int))
105296 len = sizeof(int);
105297 - if (copy_from_user(&val, optval, len))
105298 + if (len > sizeof(val) || copy_from_user(&val, optval, len))
105299 return -EFAULT;
105300 switch (val) {
105301 case TPACKET_V1:
105302 @@ -3506,7 +3506,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
105303 len = lv;
105304 if (put_user(len, optlen))
105305 return -EFAULT;
105306 - if (copy_to_user(optval, data, len))
105307 + if (len > sizeof(st) || copy_to_user(optval, data, len))
105308 return -EFAULT;
105309 return 0;
105310 }
105311 diff --git a/net/phonet/pep.c b/net/phonet/pep.c
105312 index 70a547e..23477fe 100644
105313 --- a/net/phonet/pep.c
105314 +++ b/net/phonet/pep.c
105315 @@ -388,7 +388,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
105316
105317 case PNS_PEP_CTRL_REQ:
105318 if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) {
105319 - atomic_inc(&sk->sk_drops);
105320 + atomic_inc_unchecked(&sk->sk_drops);
105321 break;
105322 }
105323 __skb_pull(skb, 4);
105324 @@ -409,7 +409,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
105325 }
105326
105327 if (pn->rx_credits == 0) {
105328 - atomic_inc(&sk->sk_drops);
105329 + atomic_inc_unchecked(&sk->sk_drops);
105330 err = -ENOBUFS;
105331 break;
105332 }
105333 @@ -579,7 +579,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb)
105334 }
105335
105336 if (pn->rx_credits == 0) {
105337 - atomic_inc(&sk->sk_drops);
105338 + atomic_inc_unchecked(&sk->sk_drops);
105339 err = NET_RX_DROP;
105340 break;
105341 }
105342 diff --git a/net/phonet/socket.c b/net/phonet/socket.c
105343 index 008214a..bb68240 100644
105344 --- a/net/phonet/socket.c
105345 +++ b/net/phonet/socket.c
105346 @@ -611,7 +611,7 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
105347 from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
105348 sock_i_ino(sk),
105349 atomic_read(&sk->sk_refcnt), sk,
105350 - atomic_read(&sk->sk_drops));
105351 + atomic_read_unchecked(&sk->sk_drops));
105352 }
105353 seq_pad(seq, '\n');
105354 return 0;
105355 diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c
105356 index c02a8c4..3c5b600 100644
105357 --- a/net/phonet/sysctl.c
105358 +++ b/net/phonet/sysctl.c
105359 @@ -67,7 +67,7 @@ static int proc_local_port_range(struct ctl_table *table, int write,
105360 {
105361 int ret;
105362 int range[2] = {local_port_range[0], local_port_range[1]};
105363 - struct ctl_table tmp = {
105364 + ctl_table_no_const tmp = {
105365 .data = &range,
105366 .maxlen = sizeof(range),
105367 .mode = table->mode,
105368 diff --git a/net/rds/cong.c b/net/rds/cong.c
105369 index e5b65ac..f3b6fb7 100644
105370 --- a/net/rds/cong.c
105371 +++ b/net/rds/cong.c
105372 @@ -78,7 +78,7 @@
105373 * finds that the saved generation number is smaller than the global generation
105374 * number, it wakes up the process.
105375 */
105376 -static atomic_t rds_cong_generation = ATOMIC_INIT(0);
105377 +static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0);
105378
105379 /*
105380 * Congestion monitoring
105381 @@ -233,7 +233,7 @@ void rds_cong_map_updated(struct rds_cong_map *map, uint64_t portmask)
105382 rdsdebug("waking map %p for %pI4\n",
105383 map, &map->m_addr);
105384 rds_stats_inc(s_cong_update_received);
105385 - atomic_inc(&rds_cong_generation);
105386 + atomic_inc_unchecked(&rds_cong_generation);
105387 if (waitqueue_active(&map->m_waitq))
105388 wake_up(&map->m_waitq);
105389 if (waitqueue_active(&rds_poll_waitq))
105390 @@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated);
105391
105392 int rds_cong_updated_since(unsigned long *recent)
105393 {
105394 - unsigned long gen = atomic_read(&rds_cong_generation);
105395 + unsigned long gen = atomic_read_unchecked(&rds_cong_generation);
105396
105397 if (likely(*recent == gen))
105398 return 0;
105399 diff --git a/net/rds/ib.h b/net/rds/ib.h
105400 index 7280ab8..e04f4ea 100644
105401 --- a/net/rds/ib.h
105402 +++ b/net/rds/ib.h
105403 @@ -128,7 +128,7 @@ struct rds_ib_connection {
105404 /* sending acks */
105405 unsigned long i_ack_flags;
105406 #ifdef KERNEL_HAS_ATOMIC64
105407 - atomic64_t i_ack_next; /* next ACK to send */
105408 + atomic64_unchecked_t i_ack_next; /* next ACK to send */
105409 #else
105410 spinlock_t i_ack_lock; /* protect i_ack_next */
105411 u64 i_ack_next; /* next ACK to send */
105412 diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
105413 index 31b74f5..dc1fbfa 100644
105414 --- a/net/rds/ib_cm.c
105415 +++ b/net/rds/ib_cm.c
105416 @@ -717,7 +717,7 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
105417 /* Clear the ACK state */
105418 clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
105419 #ifdef KERNEL_HAS_ATOMIC64
105420 - atomic64_set(&ic->i_ack_next, 0);
105421 + atomic64_set_unchecked(&ic->i_ack_next, 0);
105422 #else
105423 ic->i_ack_next = 0;
105424 #endif
105425 diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
105426 index d67de45..73dbf51 100644
105427 --- a/net/rds/ib_recv.c
105428 +++ b/net/rds/ib_recv.c
105429 @@ -596,7 +596,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
105430 static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq,
105431 int ack_required)
105432 {
105433 - atomic64_set(&ic->i_ack_next, seq);
105434 + atomic64_set_unchecked(&ic->i_ack_next, seq);
105435 if (ack_required) {
105436 smp_mb__before_atomic();
105437 set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
105438 @@ -608,7 +608,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic)
105439 clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
105440 smp_mb__after_atomic();
105441
105442 - return atomic64_read(&ic->i_ack_next);
105443 + return atomic64_read_unchecked(&ic->i_ack_next);
105444 }
105445 #endif
105446
105447 diff --git a/net/rds/iw.h b/net/rds/iw.h
105448 index 04ce3b1..48119a6 100644
105449 --- a/net/rds/iw.h
105450 +++ b/net/rds/iw.h
105451 @@ -134,7 +134,7 @@ struct rds_iw_connection {
105452 /* sending acks */
105453 unsigned long i_ack_flags;
105454 #ifdef KERNEL_HAS_ATOMIC64
105455 - atomic64_t i_ack_next; /* next ACK to send */
105456 + atomic64_unchecked_t i_ack_next; /* next ACK to send */
105457 #else
105458 spinlock_t i_ack_lock; /* protect i_ack_next */
105459 u64 i_ack_next; /* next ACK to send */
105460 diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
105461 index a91e1db..cf3053f 100644
105462 --- a/net/rds/iw_cm.c
105463 +++ b/net/rds/iw_cm.c
105464 @@ -663,7 +663,7 @@ void rds_iw_conn_shutdown(struct rds_connection *conn)
105465 /* Clear the ACK state */
105466 clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags);
105467 #ifdef KERNEL_HAS_ATOMIC64
105468 - atomic64_set(&ic->i_ack_next, 0);
105469 + atomic64_set_unchecked(&ic->i_ack_next, 0);
105470 #else
105471 ic->i_ack_next = 0;
105472 #endif
105473 diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
105474 index aa8bf67..b70133c 100644
105475 --- a/net/rds/iw_recv.c
105476 +++ b/net/rds/iw_recv.c
105477 @@ -427,7 +427,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
105478 static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq,
105479 int ack_required)
105480 {
105481 - atomic64_set(&ic->i_ack_next, seq);
105482 + atomic64_set_unchecked(&ic->i_ack_next, seq);
105483 if (ack_required) {
105484 smp_mb__before_atomic();
105485 set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
105486 @@ -439,7 +439,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic)
105487 clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags);
105488 smp_mb__after_atomic();
105489
105490 - return atomic64_read(&ic->i_ack_next);
105491 + return atomic64_read_unchecked(&ic->i_ack_next);
105492 }
105493 #endif
105494
105495 diff --git a/net/rds/rds.h b/net/rds/rds.h
105496 index 48f8ffc..0ef3eec 100644
105497 --- a/net/rds/rds.h
105498 +++ b/net/rds/rds.h
105499 @@ -449,7 +449,7 @@ struct rds_transport {
105500 void (*sync_mr)(void *trans_private, int direction);
105501 void (*free_mr)(void *trans_private, int invalidate);
105502 void (*flush_mrs)(void);
105503 -};
105504 +} __do_const;
105505
105506 struct rds_sock {
105507 struct sock rs_sk;
105508 diff --git a/net/rds/tcp.c b/net/rds/tcp.c
105509 index edac9ef..16bcb98 100644
105510 --- a/net/rds/tcp.c
105511 +++ b/net/rds/tcp.c
105512 @@ -59,7 +59,7 @@ void rds_tcp_nonagle(struct socket *sock)
105513 int val = 1;
105514
105515 set_fs(KERNEL_DS);
105516 - sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __user *)&val,
105517 + sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __force_user *)&val,
105518 sizeof(val));
105519 set_fs(oldfs);
105520 }
105521 diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
105522 index 53b17ca..45463e7 100644
105523 --- a/net/rds/tcp_send.c
105524 +++ b/net/rds/tcp_send.c
105525 @@ -43,7 +43,7 @@ static void rds_tcp_cork(struct socket *sock, int val)
105526
105527 oldfs = get_fs();
105528 set_fs(KERNEL_DS);
105529 - sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __user *)&val,
105530 + sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __force_user *)&val,
105531 sizeof(val));
105532 set_fs(oldfs);
105533 }
105534 diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
105535 index 7b16704..9628ec6 100644
105536 --- a/net/rxrpc/af_rxrpc.c
105537 +++ b/net/rxrpc/af_rxrpc.c
105538 @@ -40,7 +40,7 @@ static const struct proto_ops rxrpc_rpc_ops;
105539 __be32 rxrpc_epoch;
105540
105541 /* current debugging ID */
105542 -atomic_t rxrpc_debug_id;
105543 +atomic_unchecked_t rxrpc_debug_id;
105544
105545 /* count of skbs currently in use */
105546 atomic_t rxrpc_n_skbs;
105547 diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
105548 index c6be17a..2a6200a 100644
105549 --- a/net/rxrpc/ar-ack.c
105550 +++ b/net/rxrpc/ar-ack.c
105551 @@ -223,7 +223,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
105552
105553 _enter("{%d,%d,%d,%d},",
105554 call->acks_hard, call->acks_unacked,
105555 - atomic_read(&call->sequence),
105556 + atomic_read_unchecked(&call->sequence),
105557 CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz));
105558
105559 stop = 0;
105560 @@ -247,7 +247,7 @@ static void rxrpc_resend(struct rxrpc_call *call)
105561
105562 /* each Tx packet has a new serial number */
105563 sp->hdr.serial =
105564 - htonl(atomic_inc_return(&call->conn->serial));
105565 + htonl(atomic_inc_return_unchecked(&call->conn->serial));
105566
105567 hdr = (struct rxrpc_header *) txb->head;
105568 hdr->serial = sp->hdr.serial;
105569 @@ -451,7 +451,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, u32 hard)
105570 */
105571 static void rxrpc_clear_tx_window(struct rxrpc_call *call)
105572 {
105573 - rxrpc_rotate_tx_window(call, atomic_read(&call->sequence));
105574 + rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence));
105575 }
105576
105577 /*
105578 @@ -677,7 +677,7 @@ process_further:
105579
105580 latest = ntohl(sp->hdr.serial);
105581 hard = ntohl(ack.firstPacket);
105582 - tx = atomic_read(&call->sequence);
105583 + tx = atomic_read_unchecked(&call->sequence);
105584
105585 _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
105586 latest,
105587 @@ -1209,7 +1209,7 @@ void rxrpc_process_call(struct work_struct *work)
105588 goto maybe_reschedule;
105589
105590 send_ACK_with_skew:
105591 - ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) -
105592 + ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) -
105593 ntohl(ack.serial));
105594 send_ACK:
105595 mtu = call->conn->trans->peer->if_mtu;
105596 @@ -1221,7 +1221,7 @@ send_ACK:
105597 ackinfo.rxMTU = htonl(rxrpc_rx_mtu);
105598 ackinfo.jumbo_max = htonl(rxrpc_rx_jumbo_max);
105599
105600 - hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
105601 + hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
105602 _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }",
105603 ntohl(hdr.serial),
105604 ntohs(ack.maxSkew),
105605 @@ -1239,7 +1239,7 @@ send_ACK:
105606 send_message:
105607 _debug("send message");
105608
105609 - hdr.serial = htonl(atomic_inc_return(&call->conn->serial));
105610 + hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial));
105611 _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial));
105612 send_message_2:
105613
105614 diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c
105615 index a9e05db..194e793 100644
105616 --- a/net/rxrpc/ar-call.c
105617 +++ b/net/rxrpc/ar-call.c
105618 @@ -232,7 +232,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp)
105619 spin_lock_init(&call->lock);
105620 rwlock_init(&call->state_lock);
105621 atomic_set(&call->usage, 1);
105622 - call->debug_id = atomic_inc_return(&rxrpc_debug_id);
105623 + call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
105624 call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
105625
105626 memset(&call->sock_node, 0xed, sizeof(call->sock_node));
105627 diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
105628 index 6631f4f..bfdf056 100644
105629 --- a/net/rxrpc/ar-connection.c
105630 +++ b/net/rxrpc/ar-connection.c
105631 @@ -210,7 +210,7 @@ static struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp)
105632 rwlock_init(&conn->lock);
105633 spin_lock_init(&conn->state_lock);
105634 atomic_set(&conn->usage, 1);
105635 - conn->debug_id = atomic_inc_return(&rxrpc_debug_id);
105636 + conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
105637 conn->avail_calls = RXRPC_MAXCALLS;
105638 conn->size_align = 4;
105639 conn->header_size = sizeof(struct rxrpc_header);
105640 diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c
105641 index e7ed43a..6afa140 100644
105642 --- a/net/rxrpc/ar-connevent.c
105643 +++ b/net/rxrpc/ar-connevent.c
105644 @@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
105645
105646 len = iov[0].iov_len + iov[1].iov_len;
105647
105648 - hdr.serial = htonl(atomic_inc_return(&conn->serial));
105649 + hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
105650 _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code);
105651
105652 ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
105653 diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c
105654 index 481f89f..ceeaf8d 100644
105655 --- a/net/rxrpc/ar-input.c
105656 +++ b/net/rxrpc/ar-input.c
105657 @@ -331,9 +331,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
105658 /* track the latest serial number on this connection for ACK packet
105659 * information */
105660 serial = ntohl(sp->hdr.serial);
105661 - hi_serial = atomic_read(&call->conn->hi_serial);
105662 + hi_serial = atomic_read_unchecked(&call->conn->hi_serial);
105663 while (serial > hi_serial)
105664 - hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial,
105665 + hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial,
105666 serial);
105667
105668 /* request ACK generation for any ACK or DATA packet that requests
105669 diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
105670 index ba9fd36..9bbfe01 100644
105671 --- a/net/rxrpc/ar-internal.h
105672 +++ b/net/rxrpc/ar-internal.h
105673 @@ -272,8 +272,8 @@ struct rxrpc_connection {
105674 int error; /* error code for local abort */
105675 int debug_id; /* debug ID for printks */
105676 unsigned int call_counter; /* call ID counter */
105677 - atomic_t serial; /* packet serial number counter */
105678 - atomic_t hi_serial; /* highest serial number received */
105679 + atomic_unchecked_t serial; /* packet serial number counter */
105680 + atomic_unchecked_t hi_serial; /* highest serial number received */
105681 u8 avail_calls; /* number of calls available */
105682 u8 size_align; /* data size alignment (for security) */
105683 u8 header_size; /* rxrpc + security header size */
105684 @@ -346,7 +346,7 @@ struct rxrpc_call {
105685 spinlock_t lock;
105686 rwlock_t state_lock; /* lock for state transition */
105687 atomic_t usage;
105688 - atomic_t sequence; /* Tx data packet sequence counter */
105689 + atomic_unchecked_t sequence; /* Tx data packet sequence counter */
105690 u32 abort_code; /* local/remote abort code */
105691 enum { /* current state of call */
105692 RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */
105693 @@ -431,7 +431,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
105694 */
105695 extern atomic_t rxrpc_n_skbs;
105696 extern __be32 rxrpc_epoch;
105697 -extern atomic_t rxrpc_debug_id;
105698 +extern atomic_unchecked_t rxrpc_debug_id;
105699 extern struct workqueue_struct *rxrpc_workqueue;
105700
105701 /*
105702 diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c
105703 index 87f7135..74d3703 100644
105704 --- a/net/rxrpc/ar-local.c
105705 +++ b/net/rxrpc/ar-local.c
105706 @@ -45,7 +45,7 @@ struct rxrpc_local *rxrpc_alloc_local(struct sockaddr_rxrpc *srx)
105707 spin_lock_init(&local->lock);
105708 rwlock_init(&local->services_lock);
105709 atomic_set(&local->usage, 1);
105710 - local->debug_id = atomic_inc_return(&rxrpc_debug_id);
105711 + local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
105712 memcpy(&local->srx, srx, sizeof(*srx));
105713 }
105714
105715 diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c
105716 index 0b4b9a7..966ffbb 100644
105717 --- a/net/rxrpc/ar-output.c
105718 +++ b/net/rxrpc/ar-output.c
105719 @@ -682,14 +682,14 @@ static int rxrpc_send_data(struct kiocb *iocb,
105720 memset(skb_put(skb, pad), 0, pad);
105721 }
105722
105723 - seq = atomic_inc_return(&call->sequence);
105724 + seq = atomic_inc_return_unchecked(&call->sequence);
105725
105726 sp->hdr.epoch = conn->epoch;
105727 sp->hdr.cid = call->cid;
105728 sp->hdr.callNumber = call->call_id;
105729 sp->hdr.seq = htonl(seq);
105730 sp->hdr.serial =
105731 - htonl(atomic_inc_return(&conn->serial));
105732 + htonl(atomic_inc_return_unchecked(&conn->serial));
105733 sp->hdr.type = RXRPC_PACKET_TYPE_DATA;
105734 sp->hdr.userStatus = 0;
105735 sp->hdr.securityIndex = conn->security_ix;
105736 diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
105737 index bebaa43..2644591 100644
105738 --- a/net/rxrpc/ar-peer.c
105739 +++ b/net/rxrpc/ar-peer.c
105740 @@ -72,7 +72,7 @@ static struct rxrpc_peer *rxrpc_alloc_peer(struct sockaddr_rxrpc *srx,
105741 INIT_LIST_HEAD(&peer->error_targets);
105742 spin_lock_init(&peer->lock);
105743 atomic_set(&peer->usage, 1);
105744 - peer->debug_id = atomic_inc_return(&rxrpc_debug_id);
105745 + peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
105746 memcpy(&peer->srx, srx, sizeof(*srx));
105747
105748 rxrpc_assess_MTU_size(peer);
105749 diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c
105750 index 38047f7..9f48511 100644
105751 --- a/net/rxrpc/ar-proc.c
105752 +++ b/net/rxrpc/ar-proc.c
105753 @@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
105754 atomic_read(&conn->usage),
105755 rxrpc_conn_states[conn->state],
105756 key_serial(conn->key),
105757 - atomic_read(&conn->serial),
105758 - atomic_read(&conn->hi_serial));
105759 + atomic_read_unchecked(&conn->serial),
105760 + atomic_read_unchecked(&conn->hi_serial));
105761
105762 return 0;
105763 }
105764 diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c
105765 index 1976dec..aa70be5 100644
105766 --- a/net/rxrpc/ar-transport.c
105767 +++ b/net/rxrpc/ar-transport.c
105768 @@ -51,7 +51,7 @@ static struct rxrpc_transport *rxrpc_alloc_transport(struct rxrpc_local *local,
105769 spin_lock_init(&trans->client_lock);
105770 rwlock_init(&trans->conn_lock);
105771 atomic_set(&trans->usage, 1);
105772 - trans->debug_id = atomic_inc_return(&rxrpc_debug_id);
105773 + trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id);
105774
105775 if (peer->srx.transport.family == AF_INET) {
105776 switch (peer->srx.transport_type) {
105777 diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
105778 index f226709..0e735a8 100644
105779 --- a/net/rxrpc/rxkad.c
105780 +++ b/net/rxrpc/rxkad.c
105781 @@ -610,7 +610,7 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn)
105782
105783 len = iov[0].iov_len + iov[1].iov_len;
105784
105785 - hdr.serial = htonl(atomic_inc_return(&conn->serial));
105786 + hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial));
105787 _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial));
105788
105789 ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
105790 @@ -660,7 +660,7 @@ static int rxkad_send_response(struct rxrpc_connection *conn,
105791
105792 len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len;
105793
105794 - hdr->serial = htonl(atomic_inc_return(&conn->serial));
105795 + hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial));
105796 _proto("Tx RESPONSE %%%u", ntohl(hdr->serial));
105797
105798 ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len);
105799 diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
105800 index eed49d1..ce22514 100644
105801 --- a/net/sched/cls_bpf.c
105802 +++ b/net/sched/cls_bpf.c
105803 @@ -191,6 +191,11 @@ static int cls_bpf_modify_existing(struct net *net, struct tcf_proto *tp,
105804 }
105805
105806 bpf_size = bpf_len * sizeof(*bpf_ops);
105807 + if (bpf_size != nla_len(tb[TCA_BPF_OPS])) {
105808 + ret = -EINVAL;
105809 + goto errout;
105810 + }
105811 +
105812 bpf_ops = kzalloc(bpf_size, GFP_KERNEL);
105813 if (bpf_ops == NULL) {
105814 ret = -ENOMEM;
105815 @@ -226,15 +231,21 @@ static u32 cls_bpf_grab_new_handle(struct tcf_proto *tp,
105816 struct cls_bpf_head *head)
105817 {
105818 unsigned int i = 0x80000000;
105819 + u32 handle;
105820
105821 do {
105822 if (++head->hgen == 0x7FFFFFFF)
105823 head->hgen = 1;
105824 } while (--i > 0 && cls_bpf_get(tp, head->hgen));
105825 - if (i == 0)
105826 +
105827 + if (unlikely(i == 0)) {
105828 pr_err("Insufficient number of handles\n");
105829 + handle = 0;
105830 + } else {
105831 + handle = head->hgen;
105832 + }
105833
105834 - return i;
105835 + return handle;
105836 }
105837
105838 static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
105839 diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
105840 index 6efca30..1259f82 100644
105841 --- a/net/sched/sch_generic.c
105842 +++ b/net/sched/sch_generic.c
105843 @@ -349,7 +349,7 @@ void netif_carrier_on(struct net_device *dev)
105844 if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
105845 if (dev->reg_state == NETREG_UNINITIALIZED)
105846 return;
105847 - atomic_inc(&dev->carrier_changes);
105848 + atomic_inc_unchecked(&dev->carrier_changes);
105849 linkwatch_fire_event(dev);
105850 if (netif_running(dev))
105851 __netdev_watchdog_up(dev);
105852 @@ -368,7 +368,7 @@ void netif_carrier_off(struct net_device *dev)
105853 if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
105854 if (dev->reg_state == NETREG_UNINITIALIZED)
105855 return;
105856 - atomic_inc(&dev->carrier_changes);
105857 + atomic_inc_unchecked(&dev->carrier_changes);
105858 linkwatch_fire_event(dev);
105859 }
105860 }
105861 diff --git a/net/sctp/associola.c b/net/sctp/associola.c
105862 index f791edd..26d06db 100644
105863 --- a/net/sctp/associola.c
105864 +++ b/net/sctp/associola.c
105865 @@ -1182,7 +1182,6 @@ void sctp_assoc_update(struct sctp_association *asoc,
105866 asoc->peer.peer_hmacs = new->peer.peer_hmacs;
105867 new->peer.peer_hmacs = NULL;
105868
105869 - sctp_auth_key_put(asoc->asoc_shared_key);
105870 sctp_auth_asoc_init_active_key(asoc, GFP_ATOMIC);
105871 }
105872
105873 diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
105874 index 0e4198e..f94193e 100644
105875 --- a/net/sctp/ipv6.c
105876 +++ b/net/sctp/ipv6.c
105877 @@ -972,7 +972,7 @@ static const struct inet6_protocol sctpv6_protocol = {
105878 .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
105879 };
105880
105881 -static struct sctp_af sctp_af_inet6 = {
105882 +static struct sctp_af sctp_af_inet6 __read_only = {
105883 .sa_family = AF_INET6,
105884 .sctp_xmit = sctp_v6_xmit,
105885 .setsockopt = ipv6_setsockopt,
105886 @@ -1002,7 +1002,7 @@ static struct sctp_af sctp_af_inet6 = {
105887 #endif
105888 };
105889
105890 -static struct sctp_pf sctp_pf_inet6 = {
105891 +static struct sctp_pf sctp_pf_inet6 __read_only = {
105892 .event_msgname = sctp_inet6_event_msgname,
105893 .skb_msgname = sctp_inet6_skb_msgname,
105894 .af_supported = sctp_inet6_af_supported,
105895 @@ -1029,7 +1029,7 @@ void sctp_v6_pf_init(void)
105896
105897 void sctp_v6_pf_exit(void)
105898 {
105899 - list_del(&sctp_af_inet6.list);
105900 + pax_list_del(&sctp_af_inet6.list);
105901 }
105902
105903 /* Initialize IPv6 support and register with socket layer. */
105904 diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
105905 index 8f34b27..b105385 100644
105906 --- a/net/sctp/protocol.c
105907 +++ b/net/sctp/protocol.c
105908 @@ -836,8 +836,10 @@ int sctp_register_af(struct sctp_af *af)
105909 return 0;
105910 }
105911
105912 + pax_open_kernel();
105913 INIT_LIST_HEAD(&af->list);
105914 - list_add_tail(&af->list, &sctp_address_families);
105915 + pax_close_kernel();
105916 + pax_list_add_tail(&af->list, &sctp_address_families);
105917 return 1;
105918 }
105919
105920 @@ -967,7 +969,7 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
105921
105922 static struct sctp_af sctp_af_inet;
105923
105924 -static struct sctp_pf sctp_pf_inet = {
105925 +static struct sctp_pf sctp_pf_inet __read_only = {
105926 .event_msgname = sctp_inet_event_msgname,
105927 .skb_msgname = sctp_inet_skb_msgname,
105928 .af_supported = sctp_inet_af_supported,
105929 @@ -1039,7 +1041,7 @@ static const struct net_protocol sctp_protocol = {
105930 };
105931
105932 /* IPv4 address related functions. */
105933 -static struct sctp_af sctp_af_inet = {
105934 +static struct sctp_af sctp_af_inet __read_only = {
105935 .sa_family = AF_INET,
105936 .sctp_xmit = sctp_v4_xmit,
105937 .setsockopt = ip_setsockopt,
105938 @@ -1123,7 +1125,7 @@ static void sctp_v4_pf_init(void)
105939
105940 static void sctp_v4_pf_exit(void)
105941 {
105942 - list_del(&sctp_af_inet.list);
105943 + pax_list_del(&sctp_af_inet.list);
105944 }
105945
105946 static int sctp_v4_protosw_init(void)
105947 diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
105948 index fef2acd..c705c4f 100644
105949 --- a/net/sctp/sm_sideeffect.c
105950 +++ b/net/sctp/sm_sideeffect.c
105951 @@ -439,7 +439,7 @@ static void sctp_generate_sack_event(unsigned long data)
105952 sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_SACK);
105953 }
105954
105955 -sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = {
105956 +sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = {
105957 NULL,
105958 sctp_generate_t1_cookie_event,
105959 sctp_generate_t1_init_event,
105960 diff --git a/net/sctp/socket.c b/net/sctp/socket.c
105961 index 634a2ab..8e93929 100644
105962 --- a/net/sctp/socket.c
105963 +++ b/net/sctp/socket.c
105964 @@ -2199,11 +2199,13 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
105965 {
105966 struct sctp_association *asoc;
105967 struct sctp_ulpevent *event;
105968 + struct sctp_event_subscribe subscribe;
105969
105970 if (optlen > sizeof(struct sctp_event_subscribe))
105971 return -EINVAL;
105972 - if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
105973 + if (copy_from_user(&subscribe, optval, optlen))
105974 return -EFAULT;
105975 + sctp_sk(sk)->subscribe = subscribe;
105976
105977 if (sctp_sk(sk)->subscribe.sctp_data_io_event)
105978 pr_warn_ratelimited(DEPRECATED "%s (pid %d) "
105979 @@ -4372,13 +4374,16 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
105980 static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
105981 int __user *optlen)
105982 {
105983 + struct sctp_event_subscribe subscribe;
105984 +
105985 if (len <= 0)
105986 return -EINVAL;
105987 if (len > sizeof(struct sctp_event_subscribe))
105988 len = sizeof(struct sctp_event_subscribe);
105989 if (put_user(len, optlen))
105990 return -EFAULT;
105991 - if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len))
105992 + subscribe = sctp_sk(sk)->subscribe;
105993 + if (copy_to_user(optval, &subscribe, len))
105994 return -EFAULT;
105995 return 0;
105996 }
105997 @@ -4396,6 +4401,8 @@ static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
105998 */
105999 static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optval, int __user *optlen)
106000 {
106001 + __u32 autoclose;
106002 +
106003 /* Applicable to UDP-style socket only */
106004 if (sctp_style(sk, TCP))
106005 return -EOPNOTSUPP;
106006 @@ -4404,7 +4411,8 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optv
106007 len = sizeof(int);
106008 if (put_user(len, optlen))
106009 return -EFAULT;
106010 - if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int)))
106011 + autoclose = sctp_sk(sk)->autoclose;
106012 + if (copy_to_user(optval, &autoclose, sizeof(int)))
106013 return -EFAULT;
106014 return 0;
106015 }
106016 @@ -4778,12 +4786,15 @@ static int sctp_getsockopt_delayed_ack(struct sock *sk, int len,
106017 */
106018 static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval, int __user *optlen)
106019 {
106020 + struct sctp_initmsg initmsg;
106021 +
106022 if (len < sizeof(struct sctp_initmsg))
106023 return -EINVAL;
106024 len = sizeof(struct sctp_initmsg);
106025 if (put_user(len, optlen))
106026 return -EFAULT;
106027 - if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len))
106028 + initmsg = sctp_sk(sk)->initmsg;
106029 + if (copy_to_user(optval, &initmsg, len))
106030 return -EFAULT;
106031 return 0;
106032 }
106033 @@ -4824,6 +4835,8 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
106034 ->addr_to_user(sp, &temp);
106035 if (space_left < addrlen)
106036 return -ENOMEM;
106037 + if (addrlen > sizeof(temp) || addrlen < 0)
106038 + return -EFAULT;
106039 if (copy_to_user(to, &temp, addrlen))
106040 return -EFAULT;
106041 to += addrlen;
106042 diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
106043 index 2e9ada1..40f425d 100644
106044 --- a/net/sctp/sysctl.c
106045 +++ b/net/sctp/sysctl.c
106046 @@ -321,7 +321,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
106047 loff_t *ppos)
106048 {
106049 struct net *net = current->nsproxy->net_ns;
106050 - struct ctl_table tbl;
106051 + ctl_table_no_const tbl;
106052 bool changed = false;
106053 char *none = "none";
106054 char tmp[8];
106055 @@ -369,7 +369,7 @@ static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
106056 struct net *net = current->nsproxy->net_ns;
106057 unsigned int min = *(unsigned int *) ctl->extra1;
106058 unsigned int max = *(unsigned int *) ctl->extra2;
106059 - struct ctl_table tbl;
106060 + ctl_table_no_const tbl;
106061 int ret, new_value;
106062
106063 memset(&tbl, 0, sizeof(struct ctl_table));
106064 @@ -398,7 +398,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
106065 struct net *net = current->nsproxy->net_ns;
106066 unsigned int min = *(unsigned int *) ctl->extra1;
106067 unsigned int max = *(unsigned int *) ctl->extra2;
106068 - struct ctl_table tbl;
106069 + ctl_table_no_const tbl;
106070 int ret, new_value;
106071
106072 memset(&tbl, 0, sizeof(struct ctl_table));
106073 @@ -436,7 +436,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
106074 loff_t *ppos)
106075 {
106076 struct net *net = current->nsproxy->net_ns;
106077 - struct ctl_table tbl;
106078 + ctl_table_no_const tbl;
106079 int new_value, ret;
106080
106081 memset(&tbl, 0, sizeof(struct ctl_table));
106082 @@ -463,7 +463,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
106083
106084 int sctp_sysctl_net_register(struct net *net)
106085 {
106086 - struct ctl_table *table;
106087 + ctl_table_no_const *table;
106088 int i;
106089
106090 table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
106091 diff --git a/net/socket.c b/net/socket.c
106092 index fe20c31..83a0ed6 100644
106093 --- a/net/socket.c
106094 +++ b/net/socket.c
106095 @@ -89,6 +89,7 @@
106096 #include <linux/magic.h>
106097 #include <linux/slab.h>
106098 #include <linux/xattr.h>
106099 +#include <linux/in.h>
106100
106101 #include <asm/uaccess.h>
106102 #include <asm/unistd.h>
106103 @@ -113,6 +114,8 @@ unsigned int sysctl_net_busy_read __read_mostly;
106104 unsigned int sysctl_net_busy_poll __read_mostly;
106105 #endif
106106
106107 +#include <linux/grsock.h>
106108 +
106109 static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
106110 static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
106111 unsigned long nr_segs, loff_t pos);
106112 @@ -164,7 +167,7 @@ static const struct file_operations socket_file_ops = {
106113 */
106114
106115 static DEFINE_SPINLOCK(net_family_lock);
106116 -static const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly;
106117 +const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly;
106118
106119 /*
106120 * Statistics counters of the socket lists
106121 @@ -330,7 +333,7 @@ static struct dentry *sockfs_mount(struct file_system_type *fs_type,
106122 &sockfs_dentry_operations, SOCKFS_MAGIC);
106123 }
106124
106125 -static struct vfsmount *sock_mnt __read_mostly;
106126 +struct vfsmount *sock_mnt __read_mostly;
106127
106128 static struct file_system_type sock_fs_type = {
106129 .name = "sockfs",
106130 @@ -1263,6 +1266,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
106131 return -EAFNOSUPPORT;
106132 if (type < 0 || type >= SOCK_MAX)
106133 return -EINVAL;
106134 + if (protocol < 0)
106135 + return -EINVAL;
106136
106137 /* Compatibility.
106138
106139 @@ -1283,6 +1288,20 @@ int __sock_create(struct net *net, int family, int type, int protocol,
106140 if (err)
106141 return err;
106142
106143 + if(!kern && !gr_search_socket(family, type, protocol)) {
106144 + if (rcu_access_pointer(net_families[family]) == NULL)
106145 + return -EAFNOSUPPORT;
106146 + else
106147 + return -EACCES;
106148 + }
106149 +
106150 + if (!kern && gr_handle_sock_all(family, type, protocol)) {
106151 + if (rcu_access_pointer(net_families[family]) == NULL)
106152 + return -EAFNOSUPPORT;
106153 + else
106154 + return -EACCES;
106155 + }
106156 +
106157 /*
106158 * Allocate the socket and allow the family to set things up. if
106159 * the protocol is 0, the family is instructed to select an appropriate
106160 @@ -1534,6 +1553,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
106161 if (sock) {
106162 err = move_addr_to_kernel(umyaddr, addrlen, &address);
106163 if (err >= 0) {
106164 + if (gr_handle_sock_server((struct sockaddr *)&address)) {
106165 + err = -EACCES;
106166 + goto error;
106167 + }
106168 + err = gr_search_bind(sock, (struct sockaddr_in *)&address);
106169 + if (err)
106170 + goto error;
106171 +
106172 err = security_socket_bind(sock,
106173 (struct sockaddr *)&address,
106174 addrlen);
106175 @@ -1542,6 +1569,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
106176 (struct sockaddr *)
106177 &address, addrlen);
106178 }
106179 +error:
106180 fput_light(sock->file, fput_needed);
106181 }
106182 return err;
106183 @@ -1565,10 +1593,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog)
106184 if ((unsigned int)backlog > somaxconn)
106185 backlog = somaxconn;
106186
106187 + if (gr_handle_sock_server_other(sock->sk)) {
106188 + err = -EPERM;
106189 + goto error;
106190 + }
106191 +
106192 + err = gr_search_listen(sock);
106193 + if (err)
106194 + goto error;
106195 +
106196 err = security_socket_listen(sock, backlog);
106197 if (!err)
106198 err = sock->ops->listen(sock, backlog);
106199
106200 +error:
106201 fput_light(sock->file, fput_needed);
106202 }
106203 return err;
106204 @@ -1612,6 +1650,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
106205 newsock->type = sock->type;
106206 newsock->ops = sock->ops;
106207
106208 + if (gr_handle_sock_server_other(sock->sk)) {
106209 + err = -EPERM;
106210 + sock_release(newsock);
106211 + goto out_put;
106212 + }
106213 +
106214 + err = gr_search_accept(sock);
106215 + if (err) {
106216 + sock_release(newsock);
106217 + goto out_put;
106218 + }
106219 +
106220 /*
106221 * We don't need try_module_get here, as the listening socket (sock)
106222 * has the protocol module (sock->ops->owner) held.
106223 @@ -1657,6 +1707,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
106224 fd_install(newfd, newfile);
106225 err = newfd;
106226
106227 + gr_attach_curr_ip(newsock->sk);
106228 +
106229 out_put:
106230 fput_light(sock->file, fput_needed);
106231 out:
106232 @@ -1689,6 +1741,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
106233 int, addrlen)
106234 {
106235 struct socket *sock;
106236 + struct sockaddr *sck;
106237 struct sockaddr_storage address;
106238 int err, fput_needed;
106239
106240 @@ -1699,6 +1752,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
106241 if (err < 0)
106242 goto out_put;
106243
106244 + sck = (struct sockaddr *)&address;
106245 +
106246 + if (gr_handle_sock_client(sck)) {
106247 + err = -EACCES;
106248 + goto out_put;
106249 + }
106250 +
106251 + err = gr_search_connect(sock, (struct sockaddr_in *)sck);
106252 + if (err)
106253 + goto out_put;
106254 +
106255 err =
106256 security_socket_connect(sock, (struct sockaddr *)&address, addrlen);
106257 if (err)
106258 @@ -1780,6 +1844,8 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,
106259 * the protocol.
106260 */
106261
106262 +asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, struct sockaddr __user *, int);
106263 +
106264 SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
106265 unsigned int, flags, struct sockaddr __user *, addr,
106266 int, addr_len)
106267 @@ -1846,7 +1912,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
106268 struct socket *sock;
106269 struct iovec iov;
106270 struct msghdr msg;
106271 - struct sockaddr_storage address;
106272 + struct sockaddr_storage address = { };
106273 int err, err2;
106274 int fput_needed;
106275
106276 @@ -2075,7 +2141,7 @@ static int ___sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
106277 * checking falls down on this.
106278 */
106279 if (copy_from_user(ctl_buf,
106280 - (void __user __force *)msg_sys->msg_control,
106281 + (void __force_user *)msg_sys->msg_control,
106282 ctl_len))
106283 goto out_freectl;
106284 msg_sys->msg_control = ctl_buf;
106285 @@ -2226,7 +2292,7 @@ static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
106286 int err, total_len, len;
106287
106288 /* kernel mode address */
106289 - struct sockaddr_storage addr;
106290 + struct sockaddr_storage addr = { };
106291
106292 /* user mode address pointers */
106293 struct sockaddr __user *uaddr;
106294 @@ -2255,7 +2321,7 @@ static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
106295 /* Save the user-mode address (verify_iovec will change the
106296 * kernel msghdr to use the kernel address space)
106297 */
106298 - uaddr = (__force void __user *)msg_sys->msg_name;
106299 + uaddr = (void __force_user *)msg_sys->msg_name;
106300 uaddr_len = COMPAT_NAMELEN(msg);
106301 if (MSG_CMSG_COMPAT & flags)
106302 err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
106303 @@ -2896,7 +2962,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
106304 ifr = compat_alloc_user_space(buf_size);
106305 rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8);
106306
106307 - if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
106308 + if (copy_in_user(ifr->ifr_name, ifr32->ifr_name, IFNAMSIZ))
106309 return -EFAULT;
106310
106311 if (put_user(convert_in ? rxnfc : compat_ptr(data),
106312 @@ -3007,7 +3073,7 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
106313 old_fs = get_fs();
106314 set_fs(KERNEL_DS);
106315 err = dev_ioctl(net, cmd,
106316 - (struct ifreq __user __force *) &kifr);
106317 + (struct ifreq __force_user *) &kifr);
106318 set_fs(old_fs);
106319
106320 return err;
106321 @@ -3100,7 +3166,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
106322
106323 old_fs = get_fs();
106324 set_fs(KERNEL_DS);
106325 - err = dev_ioctl(net, cmd, (void __user __force *)&ifr);
106326 + err = dev_ioctl(net, cmd, (void __force_user *)&ifr);
106327 set_fs(old_fs);
106328
106329 if (cmd == SIOCGIFMAP && !err) {
106330 @@ -3184,7 +3250,7 @@ static int routing_ioctl(struct net *net, struct socket *sock,
106331 ret |= get_user(rtdev, &(ur4->rt_dev));
106332 if (rtdev) {
106333 ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
106334 - r4.rt_dev = (char __user __force *)devname;
106335 + r4.rt_dev = (char __force_user *)devname;
106336 devname[15] = 0;
106337 } else
106338 r4.rt_dev = NULL;
106339 @@ -3411,8 +3477,8 @@ int kernel_getsockopt(struct socket *sock, int level, int optname,
106340 int __user *uoptlen;
106341 int err;
106342
106343 - uoptval = (char __user __force *) optval;
106344 - uoptlen = (int __user __force *) optlen;
106345 + uoptval = (char __force_user *) optval;
106346 + uoptlen = (int __force_user *) optlen;
106347
106348 set_fs(KERNEL_DS);
106349 if (level == SOL_SOCKET)
106350 @@ -3432,7 +3498,7 @@ int kernel_setsockopt(struct socket *sock, int level, int optname,
106351 char __user *uoptval;
106352 int err;
106353
106354 - uoptval = (char __user __force *) optval;
106355 + uoptval = (char __force_user *) optval;
106356
106357 set_fs(KERNEL_DS);
106358 if (level == SOL_SOCKET)
106359 diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
106360 index c548ab2..4e1b68b 100644
106361 --- a/net/sunrpc/auth_gss/svcauth_gss.c
106362 +++ b/net/sunrpc/auth_gss/svcauth_gss.c
106363 @@ -1140,7 +1140,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
106364 uint64_t *handle)
106365 {
106366 struct rsc rsci, *rscp = NULL;
106367 - static atomic64_t ctxhctr;
106368 + static atomic64_unchecked_t ctxhctr = ATOMIC64_INIT(0);
106369 long long ctxh;
106370 struct gss_api_mech *gm = NULL;
106371 time_t expiry;
106372 @@ -1151,7 +1151,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
106373 status = -ENOMEM;
106374 /* the handle needs to be just a unique id,
106375 * use a static counter */
106376 - ctxh = atomic64_inc_return(&ctxhctr);
106377 + ctxh = atomic64_inc_return_unchecked(&ctxhctr);
106378
106379 /* make a copy for the caller */
106380 *handle = ctxh;
106381 diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
106382 index 0663621..c4928d4 100644
106383 --- a/net/sunrpc/cache.c
106384 +++ b/net/sunrpc/cache.c
106385 @@ -1609,7 +1609,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net)
106386 struct sunrpc_net *sn;
106387
106388 sn = net_generic(net, sunrpc_net_id);
106389 - cd->u.procfs.proc_ent = proc_mkdir(cd->name, sn->proc_net_rpc);
106390 + cd->u.procfs.proc_ent = proc_mkdir_restrict(cd->name, sn->proc_net_rpc);
106391 if (cd->u.procfs.proc_ent == NULL)
106392 goto out_nomem;
106393 cd->u.procfs.channel_ent = NULL;
106394 diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
106395 index 9acd6ce..4353a72 100644
106396 --- a/net/sunrpc/clnt.c
106397 +++ b/net/sunrpc/clnt.c
106398 @@ -1428,7 +1428,9 @@ call_start(struct rpc_task *task)
106399 (RPC_IS_ASYNC(task) ? "async" : "sync"));
106400
106401 /* Increment call count */
106402 - task->tk_msg.rpc_proc->p_count++;
106403 + pax_open_kernel();
106404 + (*(unsigned int *)&task->tk_msg.rpc_proc->p_count)++;
106405 + pax_close_kernel();
106406 clnt->cl_stats->rpccnt++;
106407 task->tk_action = call_reserve;
106408 }
106409 diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
106410 index fe3441a..922c29e 100644
106411 --- a/net/sunrpc/sched.c
106412 +++ b/net/sunrpc/sched.c
106413 @@ -261,9 +261,9 @@ static int rpc_wait_bit_killable(struct wait_bit_key *key)
106414 #if defined(RPC_DEBUG) || defined(RPC_TRACEPOINTS)
106415 static void rpc_task_set_debuginfo(struct rpc_task *task)
106416 {
106417 - static atomic_t rpc_pid;
106418 + static atomic_unchecked_t rpc_pid;
106419
106420 - task->tk_pid = atomic_inc_return(&rpc_pid);
106421 + task->tk_pid = atomic_inc_return_unchecked(&rpc_pid);
106422 }
106423 #else
106424 static inline void rpc_task_set_debuginfo(struct rpc_task *task)
106425 diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
106426 index 5453049..465669a 100644
106427 --- a/net/sunrpc/stats.c
106428 +++ b/net/sunrpc/stats.c
106429 @@ -267,7 +267,7 @@ int rpc_proc_init(struct net *net)
106430
106431 dprintk("RPC: registering /proc/net/rpc\n");
106432 sn = net_generic(net, sunrpc_net_id);
106433 - sn->proc_net_rpc = proc_mkdir("rpc", net->proc_net);
106434 + sn->proc_net_rpc = proc_mkdir_restrict("rpc", net->proc_net);
106435 if (sn->proc_net_rpc == NULL)
106436 return -ENOMEM;
106437
106438 diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
106439 index ca8a795..ddfc41b 100644
106440 --- a/net/sunrpc/svc.c
106441 +++ b/net/sunrpc/svc.c
106442 @@ -1165,7 +1165,9 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
106443 svc_putnl(resv, RPC_SUCCESS);
106444
106445 /* Bump per-procedure stats counter */
106446 - procp->pc_count++;
106447 + pax_open_kernel();
106448 + (*(unsigned int *)&procp->pc_count)++;
106449 + pax_close_kernel();
106450
106451 /* Initialize storage for argp and resp */
106452 memset(rqstp->rq_argp, 0, procp->pc_argsize);
106453 diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
106454 index 621ca7b..59421dd 100644
106455 --- a/net/sunrpc/svcauth_unix.c
106456 +++ b/net/sunrpc/svcauth_unix.c
106457 @@ -414,7 +414,7 @@ struct unix_gid {
106458 struct group_info *gi;
106459 };
106460
106461 -static int unix_gid_hash(kuid_t uid)
106462 +static int __intentional_overflow(-1) unix_gid_hash(kuid_t uid)
106463 {
106464 return hash_long(from_kuid(&init_user_ns, uid), GID_HASHBITS);
106465 }
106466 @@ -470,7 +470,7 @@ static void unix_gid_request(struct cache_detail *cd,
106467 (*bpp)[-1] = '\n';
106468 }
106469
106470 -static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid);
106471 +static struct unix_gid * __intentional_overflow(-1) unix_gid_lookup(struct cache_detail *cd, kuid_t uid);
106472
106473 static int unix_gid_parse(struct cache_detail *cd,
106474 char *mesg, int mlen)
106475 diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
106476 index c1b6270..05089c1 100644
106477 --- a/net/sunrpc/xprtrdma/svc_rdma.c
106478 +++ b/net/sunrpc/xprtrdma/svc_rdma.c
106479 @@ -62,15 +62,15 @@ unsigned int svcrdma_max_req_size = RPCRDMA_MAX_REQ_SIZE;
106480 static unsigned int min_max_inline = 4096;
106481 static unsigned int max_max_inline = 65536;
106482
106483 -atomic_t rdma_stat_recv;
106484 -atomic_t rdma_stat_read;
106485 -atomic_t rdma_stat_write;
106486 -atomic_t rdma_stat_sq_starve;
106487 -atomic_t rdma_stat_rq_starve;
106488 -atomic_t rdma_stat_rq_poll;
106489 -atomic_t rdma_stat_rq_prod;
106490 -atomic_t rdma_stat_sq_poll;
106491 -atomic_t rdma_stat_sq_prod;
106492 +atomic_unchecked_t rdma_stat_recv;
106493 +atomic_unchecked_t rdma_stat_read;
106494 +atomic_unchecked_t rdma_stat_write;
106495 +atomic_unchecked_t rdma_stat_sq_starve;
106496 +atomic_unchecked_t rdma_stat_rq_starve;
106497 +atomic_unchecked_t rdma_stat_rq_poll;
106498 +atomic_unchecked_t rdma_stat_rq_prod;
106499 +atomic_unchecked_t rdma_stat_sq_poll;
106500 +atomic_unchecked_t rdma_stat_sq_prod;
106501
106502 /* Temporary NFS request map and context caches */
106503 struct kmem_cache *svc_rdma_map_cachep;
106504 @@ -110,7 +110,7 @@ static int read_reset_stat(struct ctl_table *table, int write,
106505 len -= *ppos;
106506 if (len > *lenp)
106507 len = *lenp;
106508 - if (len && copy_to_user(buffer, str_buf, len))
106509 + if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len)))
106510 return -EFAULT;
106511 *lenp = len;
106512 *ppos += len;
106513 @@ -151,63 +151,63 @@ static struct ctl_table svcrdma_parm_table[] = {
106514 {
106515 .procname = "rdma_stat_read",
106516 .data = &rdma_stat_read,
106517 - .maxlen = sizeof(atomic_t),
106518 + .maxlen = sizeof(atomic_unchecked_t),
106519 .mode = 0644,
106520 .proc_handler = read_reset_stat,
106521 },
106522 {
106523 .procname = "rdma_stat_recv",
106524 .data = &rdma_stat_recv,
106525 - .maxlen = sizeof(atomic_t),
106526 + .maxlen = sizeof(atomic_unchecked_t),
106527 .mode = 0644,
106528 .proc_handler = read_reset_stat,
106529 },
106530 {
106531 .procname = "rdma_stat_write",
106532 .data = &rdma_stat_write,
106533 - .maxlen = sizeof(atomic_t),
106534 + .maxlen = sizeof(atomic_unchecked_t),
106535 .mode = 0644,
106536 .proc_handler = read_reset_stat,
106537 },
106538 {
106539 .procname = "rdma_stat_sq_starve",
106540 .data = &rdma_stat_sq_starve,
106541 - .maxlen = sizeof(atomic_t),
106542 + .maxlen = sizeof(atomic_unchecked_t),
106543 .mode = 0644,
106544 .proc_handler = read_reset_stat,
106545 },
106546 {
106547 .procname = "rdma_stat_rq_starve",
106548 .data = &rdma_stat_rq_starve,
106549 - .maxlen = sizeof(atomic_t),
106550 + .maxlen = sizeof(atomic_unchecked_t),
106551 .mode = 0644,
106552 .proc_handler = read_reset_stat,
106553 },
106554 {
106555 .procname = "rdma_stat_rq_poll",
106556 .data = &rdma_stat_rq_poll,
106557 - .maxlen = sizeof(atomic_t),
106558 + .maxlen = sizeof(atomic_unchecked_t),
106559 .mode = 0644,
106560 .proc_handler = read_reset_stat,
106561 },
106562 {
106563 .procname = "rdma_stat_rq_prod",
106564 .data = &rdma_stat_rq_prod,
106565 - .maxlen = sizeof(atomic_t),
106566 + .maxlen = sizeof(atomic_unchecked_t),
106567 .mode = 0644,
106568 .proc_handler = read_reset_stat,
106569 },
106570 {
106571 .procname = "rdma_stat_sq_poll",
106572 .data = &rdma_stat_sq_poll,
106573 - .maxlen = sizeof(atomic_t),
106574 + .maxlen = sizeof(atomic_unchecked_t),
106575 .mode = 0644,
106576 .proc_handler = read_reset_stat,
106577 },
106578 {
106579 .procname = "rdma_stat_sq_prod",
106580 .data = &rdma_stat_sq_prod,
106581 - .maxlen = sizeof(atomic_t),
106582 + .maxlen = sizeof(atomic_unchecked_t),
106583 .mode = 0644,
106584 .proc_handler = read_reset_stat,
106585 },
106586 diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
106587 index e011027..9d3c4e1 100644
106588 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
106589 +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
106590 @@ -220,7 +220,7 @@ static int rdma_read_chunk_lcl(struct svcxprt_rdma *xprt,
106591 *page_no = pg_no;
106592 *page_offset = pg_off;
106593 ret = read;
106594 - atomic_inc(&rdma_stat_read);
106595 + atomic_inc_unchecked(&rdma_stat_read);
106596 return ret;
106597 err:
106598 svc_rdma_unmap_dma(ctxt);
106599 @@ -356,7 +356,7 @@ static int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
106600 *page_no = pg_no;
106601 *page_offset = pg_off;
106602 ret = read;
106603 - atomic_inc(&rdma_stat_read);
106604 + atomic_inc_unchecked(&rdma_stat_read);
106605 return ret;
106606 err:
106607 svc_rdma_unmap_dma(ctxt);
106608 @@ -540,7 +540,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
106609 dto_q);
106610 list_del_init(&ctxt->dto_q);
106611 } else {
106612 - atomic_inc(&rdma_stat_rq_starve);
106613 + atomic_inc_unchecked(&rdma_stat_rq_starve);
106614 clear_bit(XPT_DATA, &xprt->xpt_flags);
106615 ctxt = NULL;
106616 }
106617 @@ -559,7 +559,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
106618 dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n",
106619 ctxt, rdma_xprt, rqstp, ctxt->wc_status);
106620 BUG_ON(ctxt->wc_status != IB_WC_SUCCESS);
106621 - atomic_inc(&rdma_stat_recv);
106622 + atomic_inc_unchecked(&rdma_stat_recv);
106623
106624 /* Build up the XDR from the receive buffers. */
106625 rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len);
106626 diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
106627 index 9f1b506..2e0b321 100644
106628 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
106629 +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
106630 @@ -208,7 +208,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
106631 write_wr.wr.rdma.remote_addr = to;
106632
106633 /* Post It */
106634 - atomic_inc(&rdma_stat_write);
106635 + atomic_inc_unchecked(&rdma_stat_write);
106636 if (svc_rdma_send(xprt, &write_wr))
106637 goto err;
106638 return write_len - bc;
106639 diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
106640 index 4e61880..1f0d963 100644
106641 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
106642 +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
106643 @@ -295,7 +295,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
106644 return;
106645
106646 ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP);
106647 - atomic_inc(&rdma_stat_rq_poll);
106648 + atomic_inc_unchecked(&rdma_stat_rq_poll);
106649
106650 while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) {
106651 ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id;
106652 @@ -317,7 +317,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
106653 }
106654
106655 if (ctxt)
106656 - atomic_inc(&rdma_stat_rq_prod);
106657 + atomic_inc_unchecked(&rdma_stat_rq_prod);
106658
106659 set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
106660 /*
106661 @@ -392,7 +392,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
106662 return;
106663
106664 ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP);
106665 - atomic_inc(&rdma_stat_sq_poll);
106666 + atomic_inc_unchecked(&rdma_stat_sq_poll);
106667 while ((ret = ib_poll_cq(cq, ARRAY_SIZE(wc_a), wc_a)) > 0) {
106668 int i;
106669
106670 @@ -420,7 +420,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
106671 }
106672
106673 if (ctxt)
106674 - atomic_inc(&rdma_stat_sq_prod);
106675 + atomic_inc_unchecked(&rdma_stat_sq_prod);
106676 }
106677
106678 static void sq_comp_handler(struct ib_cq *cq, void *cq_context)
106679 @@ -1264,7 +1264,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
106680 spin_lock_bh(&xprt->sc_lock);
106681 if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) {
106682 spin_unlock_bh(&xprt->sc_lock);
106683 - atomic_inc(&rdma_stat_sq_starve);
106684 + atomic_inc_unchecked(&rdma_stat_sq_starve);
106685
106686 /* See if we can opportunistically reap SQ WR to make room */
106687 sq_cq_reap(xprt);
106688 diff --git a/net/sysctl_net.c b/net/sysctl_net.c
106689 index e7000be..e3b0ba7 100644
106690 --- a/net/sysctl_net.c
106691 +++ b/net/sysctl_net.c
106692 @@ -46,7 +46,7 @@ static int net_ctl_permissions(struct ctl_table_header *head,
106693 kgid_t root_gid = make_kgid(net->user_ns, 0);
106694
106695 /* Allow network administrator to have same access as root. */
106696 - if (ns_capable(net->user_ns, CAP_NET_ADMIN) ||
106697 + if (ns_capable_nolog(net->user_ns, CAP_NET_ADMIN) ||
106698 uid_eq(root_uid, current_euid())) {
106699 int mode = (table->mode >> 6) & 7;
106700 return (mode << 6) | (mode << 3) | mode;
106701 diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
106702 index 31b5cb2..566ff01 100644
106703 --- a/net/tipc/subscr.c
106704 +++ b/net/tipc/subscr.c
106705 @@ -96,7 +96,7 @@ static void subscr_send_event(struct tipc_subscription *sub, u32 found_lower,
106706 struct tipc_subscriber *subscriber = sub->subscriber;
106707 struct kvec msg_sect;
106708
106709 - msg_sect.iov_base = (void *)&sub->evt;
106710 + msg_sect.iov_base = &sub->evt;
106711 msg_sect.iov_len = sizeof(struct tipc_event);
106712 sub->evt.event = htohl(event, sub->swap);
106713 sub->evt.found_lower = htohl(found_lower, sub->swap);
106714 diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
106715 index e968843..bc95776 100644
106716 --- a/net/unix/af_unix.c
106717 +++ b/net/unix/af_unix.c
106718 @@ -791,6 +791,12 @@ static struct sock *unix_find_other(struct net *net,
106719 err = -ECONNREFUSED;
106720 if (!S_ISSOCK(inode->i_mode))
106721 goto put_fail;
106722 +
106723 + if (!gr_acl_handle_unix(path.dentry, path.mnt)) {
106724 + err = -EACCES;
106725 + goto put_fail;
106726 + }
106727 +
106728 u = unix_find_socket_byinode(inode);
106729 if (!u)
106730 goto put_fail;
106731 @@ -811,6 +817,13 @@ static struct sock *unix_find_other(struct net *net,
106732 if (u) {
106733 struct dentry *dentry;
106734 dentry = unix_sk(u)->path.dentry;
106735 +
106736 + if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) {
106737 + err = -EPERM;
106738 + sock_put(u);
106739 + goto fail;
106740 + }
106741 +
106742 if (dentry)
106743 touch_atime(&unix_sk(u)->path);
106744 } else
106745 @@ -844,12 +857,18 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
106746 */
106747 err = security_path_mknod(&path, dentry, mode, 0);
106748 if (!err) {
106749 + if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) {
106750 + err = -EACCES;
106751 + goto out;
106752 + }
106753 err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
106754 if (!err) {
106755 res->mnt = mntget(path.mnt);
106756 res->dentry = dget(dentry);
106757 + gr_handle_create(dentry, path.mnt);
106758 }
106759 }
106760 +out:
106761 done_path_create(&path, dentry);
106762 return err;
106763 }
106764 @@ -2350,9 +2369,13 @@ static int unix_seq_show(struct seq_file *seq, void *v)
106765 seq_puts(seq, "Num RefCount Protocol Flags Type St "
106766 "Inode Path\n");
106767 else {
106768 - struct sock *s = v;
106769 + struct sock *s = v, *peer;
106770 struct unix_sock *u = unix_sk(s);
106771 unix_state_lock(s);
106772 + peer = unix_peer(s);
106773 + unix_state_unlock(s);
106774 +
106775 + unix_state_double_lock(s, peer);
106776
106777 seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu",
106778 s,
106779 @@ -2379,8 +2402,10 @@ static int unix_seq_show(struct seq_file *seq, void *v)
106780 }
106781 for ( ; i < len; i++)
106782 seq_putc(seq, u->addr->name->sun_path[i]);
106783 - }
106784 - unix_state_unlock(s);
106785 + } else if (peer)
106786 + seq_printf(seq, " P%lu", sock_i_ino(peer));
106787 +
106788 + unix_state_double_unlock(s, peer);
106789 seq_putc(seq, '\n');
106790 }
106791
106792 diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
106793 index b3d5150..ff3a837 100644
106794 --- a/net/unix/sysctl_net_unix.c
106795 +++ b/net/unix/sysctl_net_unix.c
106796 @@ -28,7 +28,7 @@ static struct ctl_table unix_table[] = {
106797
106798 int __net_init unix_sysctl_register(struct net *net)
106799 {
106800 - struct ctl_table *table;
106801 + ctl_table_no_const *table;
106802
106803 table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
106804 if (table == NULL)
106805 diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c
106806 index 9b7f207..2596621 100644
106807 --- a/net/vmw_vsock/vmci_transport_notify.c
106808 +++ b/net/vmw_vsock/vmci_transport_notify.c
106809 @@ -662,19 +662,19 @@ static void vmci_transport_notify_pkt_process_negotiate(struct sock *sk)
106810
106811 /* Socket control packet based operations. */
106812 struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = {
106813 - vmci_transport_notify_pkt_socket_init,
106814 - vmci_transport_notify_pkt_socket_destruct,
106815 - vmci_transport_notify_pkt_poll_in,
106816 - vmci_transport_notify_pkt_poll_out,
106817 - vmci_transport_notify_pkt_handle_pkt,
106818 - vmci_transport_notify_pkt_recv_init,
106819 - vmci_transport_notify_pkt_recv_pre_block,
106820 - vmci_transport_notify_pkt_recv_pre_dequeue,
106821 - vmci_transport_notify_pkt_recv_post_dequeue,
106822 - vmci_transport_notify_pkt_send_init,
106823 - vmci_transport_notify_pkt_send_pre_block,
106824 - vmci_transport_notify_pkt_send_pre_enqueue,
106825 - vmci_transport_notify_pkt_send_post_enqueue,
106826 - vmci_transport_notify_pkt_process_request,
106827 - vmci_transport_notify_pkt_process_negotiate,
106828 + .socket_init = vmci_transport_notify_pkt_socket_init,
106829 + .socket_destruct = vmci_transport_notify_pkt_socket_destruct,
106830 + .poll_in = vmci_transport_notify_pkt_poll_in,
106831 + .poll_out = vmci_transport_notify_pkt_poll_out,
106832 + .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt,
106833 + .recv_init = vmci_transport_notify_pkt_recv_init,
106834 + .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block,
106835 + .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue,
106836 + .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue,
106837 + .send_init = vmci_transport_notify_pkt_send_init,
106838 + .send_pre_block = vmci_transport_notify_pkt_send_pre_block,
106839 + .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue,
106840 + .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue,
106841 + .process_request = vmci_transport_notify_pkt_process_request,
106842 + .process_negotiate = vmci_transport_notify_pkt_process_negotiate,
106843 };
106844 diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c
106845 index dc9c792..3089de0 100644
106846 --- a/net/vmw_vsock/vmci_transport_notify_qstate.c
106847 +++ b/net/vmw_vsock/vmci_transport_notify_qstate.c
106848 @@ -420,19 +420,19 @@ vmci_transport_notify_pkt_send_pre_enqueue(
106849
106850 /* Socket always on control packet based operations. */
106851 struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = {
106852 - vmci_transport_notify_pkt_socket_init,
106853 - vmci_transport_notify_pkt_socket_destruct,
106854 - vmci_transport_notify_pkt_poll_in,
106855 - vmci_transport_notify_pkt_poll_out,
106856 - vmci_transport_notify_pkt_handle_pkt,
106857 - vmci_transport_notify_pkt_recv_init,
106858 - vmci_transport_notify_pkt_recv_pre_block,
106859 - vmci_transport_notify_pkt_recv_pre_dequeue,
106860 - vmci_transport_notify_pkt_recv_post_dequeue,
106861 - vmci_transport_notify_pkt_send_init,
106862 - vmci_transport_notify_pkt_send_pre_block,
106863 - vmci_transport_notify_pkt_send_pre_enqueue,
106864 - vmci_transport_notify_pkt_send_post_enqueue,
106865 - vmci_transport_notify_pkt_process_request,
106866 - vmci_transport_notify_pkt_process_negotiate,
106867 + .socket_init = vmci_transport_notify_pkt_socket_init,
106868 + .socket_destruct = vmci_transport_notify_pkt_socket_destruct,
106869 + .poll_in = vmci_transport_notify_pkt_poll_in,
106870 + .poll_out = vmci_transport_notify_pkt_poll_out,
106871 + .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt,
106872 + .recv_init = vmci_transport_notify_pkt_recv_init,
106873 + .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block,
106874 + .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue,
106875 + .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue,
106876 + .send_init = vmci_transport_notify_pkt_send_init,
106877 + .send_pre_block = vmci_transport_notify_pkt_send_pre_block,
106878 + .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue,
106879 + .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue,
106880 + .process_request = vmci_transport_notify_pkt_process_request,
106881 + .process_negotiate = vmci_transport_notify_pkt_process_negotiate,
106882 };
106883 diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
106884 index c8717c1..08539f5 100644
106885 --- a/net/wireless/wext-core.c
106886 +++ b/net/wireless/wext-core.c
106887 @@ -748,8 +748,7 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
106888 */
106889
106890 /* Support for very large requests */
106891 - if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
106892 - (user_length > descr->max_tokens)) {
106893 + if (user_length > descr->max_tokens) {
106894 /* Allow userspace to GET more than max so
106895 * we can support any size GET requests.
106896 * There is still a limit : -ENOMEM.
106897 @@ -788,22 +787,6 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
106898 }
106899 }
106900
106901 - if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) {
106902 - /*
106903 - * If this is a GET, but not NOMAX, it means that the extra
106904 - * data is not bounded by userspace, but by max_tokens. Thus
106905 - * set the length to max_tokens. This matches the extra data
106906 - * allocation.
106907 - * The driver should fill it with the number of tokens it
106908 - * provided, and it may check iwp->length rather than having
106909 - * knowledge of max_tokens. If the driver doesn't change the
106910 - * iwp->length, this ioctl just copies back max_token tokens
106911 - * filled with zeroes. Hopefully the driver isn't claiming
106912 - * them to be valid data.
106913 - */
106914 - iwp->length = descr->max_tokens;
106915 - }
106916 -
106917 err = handler(dev, info, (union iwreq_data *) iwp, extra);
106918
106919 iwp->length += essid_compat;
106920 diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c
106921 index 4323952..a06dfe1 100644
106922 --- a/net/x25/sysctl_net_x25.c
106923 +++ b/net/x25/sysctl_net_x25.c
106924 @@ -70,7 +70,7 @@ static struct ctl_table x25_table[] = {
106925 .mode = 0644,
106926 .proc_handler = proc_dointvec,
106927 },
106928 - { 0, },
106929 + { },
106930 };
106931
106932 void __init x25_register_sysctl(void)
106933 diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c
106934 index 0917f04..f4e3d8c 100644
106935 --- a/net/x25/x25_proc.c
106936 +++ b/net/x25/x25_proc.c
106937 @@ -209,7 +209,7 @@ static const struct file_operations x25_seq_forward_fops = {
106938
106939 int __init x25_proc_init(void)
106940 {
106941 - if (!proc_mkdir("x25", init_net.proc_net))
106942 + if (!proc_mkdir_restrict("x25", init_net.proc_net))
106943 return -ENOMEM;
106944
106945 if (!proc_create("x25/route", S_IRUGO, init_net.proc_net,
106946 diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
106947 index 88bf289..7b0741b 100644
106948 --- a/net/xfrm/xfrm_policy.c
106949 +++ b/net/xfrm/xfrm_policy.c
106950 @@ -330,7 +330,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy)
106951 {
106952 policy->walk.dead = 1;
106953
106954 - atomic_inc(&policy->genid);
106955 + atomic_inc_unchecked(&policy->genid);
106956
106957 if (del_timer(&policy->polq.hold_timer))
106958 xfrm_pol_put(policy);
106959 @@ -781,7 +781,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
106960 hlist_add_head(&policy->bydst, chain);
106961 xfrm_pol_hold(policy);
106962 net->xfrm.policy_count[dir]++;
106963 - atomic_inc(&net->xfrm.flow_cache_genid);
106964 + atomic_inc_unchecked(&net->xfrm.flow_cache_genid);
106965
106966 /* After previous checking, family can either be AF_INET or AF_INET6 */
106967 if (policy->family == AF_INET)
106968 @@ -1871,7 +1871,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
106969
106970 xdst->num_pols = num_pols;
106971 memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols);
106972 - xdst->policy_genid = atomic_read(&pols[0]->genid);
106973 + xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid);
106974
106975 return xdst;
106976 }
106977 @@ -2685,10 +2685,11 @@ void xfrm_garbage_collect(struct net *net)
106978 }
106979 EXPORT_SYMBOL(xfrm_garbage_collect);
106980
106981 -static void xfrm_garbage_collect_deferred(struct net *net)
106982 +void xfrm_garbage_collect_deferred(struct net *net)
106983 {
106984 flow_cache_flush_deferred(net);
106985 }
106986 +EXPORT_SYMBOL(xfrm_garbage_collect_deferred);
106987
106988 static void xfrm_init_pmtu(struct dst_entry *dst)
106989 {
106990 @@ -2738,7 +2739,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first)
106991 if (xdst->xfrm_genid != dst->xfrm->genid)
106992 return 0;
106993 if (xdst->num_pols > 0 &&
106994 - xdst->policy_genid != atomic_read(&xdst->pols[0]->genid))
106995 + xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid))
106996 return 0;
106997
106998 mtu = dst_mtu(dst->child);
106999 @@ -2826,8 +2827,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
107000 dst_ops->link_failure = xfrm_link_failure;
107001 if (likely(dst_ops->neigh_lookup == NULL))
107002 dst_ops->neigh_lookup = xfrm_neigh_lookup;
107003 - if (likely(afinfo->garbage_collect == NULL))
107004 - afinfo->garbage_collect = xfrm_garbage_collect_deferred;
107005 rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo);
107006 }
107007 spin_unlock(&xfrm_policy_afinfo_lock);
107008 @@ -2881,7 +2880,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
107009 dst_ops->check = NULL;
107010 dst_ops->negative_advice = NULL;
107011 dst_ops->link_failure = NULL;
107012 - afinfo->garbage_collect = NULL;
107013 }
107014 return err;
107015 }
107016 @@ -3277,7 +3275,7 @@ static int xfrm_policy_migrate(struct xfrm_policy *pol,
107017 sizeof(pol->xfrm_vec[i].saddr));
107018 pol->xfrm_vec[i].encap_family = mp->new_family;
107019 /* flush bundles */
107020 - atomic_inc(&pol->genid);
107021 + atomic_inc_unchecked(&pol->genid);
107022 }
107023 }
107024
107025 diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
107026 index de971b6..b843409 100644
107027 --- a/net/xfrm/xfrm_state.c
107028 +++ b/net/xfrm/xfrm_state.c
107029 @@ -166,12 +166,14 @@ int xfrm_register_type(const struct xfrm_type *type, unsigned short family)
107030
107031 if (unlikely(afinfo == NULL))
107032 return -EAFNOSUPPORT;
107033 - typemap = afinfo->type_map;
107034 + typemap = (const struct xfrm_type **)afinfo->type_map;
107035 spin_lock_bh(&xfrm_type_lock);
107036
107037 - if (likely(typemap[type->proto] == NULL))
107038 + if (likely(typemap[type->proto] == NULL)) {
107039 + pax_open_kernel();
107040 typemap[type->proto] = type;
107041 - else
107042 + pax_close_kernel();
107043 + } else
107044 err = -EEXIST;
107045 spin_unlock_bh(&xfrm_type_lock);
107046 xfrm_state_put_afinfo(afinfo);
107047 @@ -187,13 +189,16 @@ int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family)
107048
107049 if (unlikely(afinfo == NULL))
107050 return -EAFNOSUPPORT;
107051 - typemap = afinfo->type_map;
107052 + typemap = (const struct xfrm_type **)afinfo->type_map;
107053 spin_lock_bh(&xfrm_type_lock);
107054
107055 if (unlikely(typemap[type->proto] != type))
107056 err = -ENOENT;
107057 - else
107058 + else {
107059 + pax_open_kernel();
107060 typemap[type->proto] = NULL;
107061 + pax_close_kernel();
107062 + }
107063 spin_unlock_bh(&xfrm_type_lock);
107064 xfrm_state_put_afinfo(afinfo);
107065 return err;
107066 @@ -203,7 +208,6 @@ EXPORT_SYMBOL(xfrm_unregister_type);
107067 static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
107068 {
107069 struct xfrm_state_afinfo *afinfo;
107070 - const struct xfrm_type **typemap;
107071 const struct xfrm_type *type;
107072 int modload_attempted = 0;
107073
107074 @@ -211,9 +215,8 @@ retry:
107075 afinfo = xfrm_state_get_afinfo(family);
107076 if (unlikely(afinfo == NULL))
107077 return NULL;
107078 - typemap = afinfo->type_map;
107079
107080 - type = typemap[proto];
107081 + type = afinfo->type_map[proto];
107082 if (unlikely(type && !try_module_get(type->owner)))
107083 type = NULL;
107084 if (!type && !modload_attempted) {
107085 @@ -247,7 +250,7 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family)
107086 return -EAFNOSUPPORT;
107087
107088 err = -EEXIST;
107089 - modemap = afinfo->mode_map;
107090 + modemap = (struct xfrm_mode **)afinfo->mode_map;
107091 spin_lock_bh(&xfrm_mode_lock);
107092 if (modemap[mode->encap])
107093 goto out;
107094 @@ -256,8 +259,10 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family)
107095 if (!try_module_get(afinfo->owner))
107096 goto out;
107097
107098 - mode->afinfo = afinfo;
107099 + pax_open_kernel();
107100 + *(const void **)&mode->afinfo = afinfo;
107101 modemap[mode->encap] = mode;
107102 + pax_close_kernel();
107103 err = 0;
107104
107105 out:
107106 @@ -281,10 +286,12 @@ int xfrm_unregister_mode(struct xfrm_mode *mode, int family)
107107 return -EAFNOSUPPORT;
107108
107109 err = -ENOENT;
107110 - modemap = afinfo->mode_map;
107111 + modemap = (struct xfrm_mode **)afinfo->mode_map;
107112 spin_lock_bh(&xfrm_mode_lock);
107113 if (likely(modemap[mode->encap] == mode)) {
107114 + pax_open_kernel();
107115 modemap[mode->encap] = NULL;
107116 + pax_close_kernel();
107117 module_put(mode->afinfo->owner);
107118 err = 0;
107119 }
107120 @@ -1505,10 +1512,10 @@ EXPORT_SYMBOL(xfrm_find_acq_byseq);
107121 u32 xfrm_get_acqseq(void)
107122 {
107123 u32 res;
107124 - static atomic_t acqseq;
107125 + static atomic_unchecked_t acqseq;
107126
107127 do {
107128 - res = atomic_inc_return(&acqseq);
107129 + res = atomic_inc_return_unchecked(&acqseq);
107130 } while (!res);
107131
107132 return res;
107133 diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c
107134 index 05a6e3d..6716ec9 100644
107135 --- a/net/xfrm/xfrm_sysctl.c
107136 +++ b/net/xfrm/xfrm_sysctl.c
107137 @@ -42,7 +42,7 @@ static struct ctl_table xfrm_table[] = {
107138
107139 int __net_init xfrm_sysctl_init(struct net *net)
107140 {
107141 - struct ctl_table *table;
107142 + ctl_table_no_const *table;
107143
107144 __xfrm_sysctl_init(net);
107145
107146 diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
107147 index 65e7b08..1b868d5 100644
107148 --- a/scripts/Kbuild.include
107149 +++ b/scripts/Kbuild.include
107150 @@ -144,7 +144,7 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
107151 # cc-ldoption
107152 # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
107153 cc-ldoption = $(call try-run,\
107154 - $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
107155 + $(CC) $(1) -Wl,-r -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
107156
107157 # ld-option
107158 # Usage: LDFLAGS += $(call ld-option, -X)
107159 diff --git a/scripts/Makefile.build b/scripts/Makefile.build
107160 index 649ce68..f6bc05c 100644
107161 --- a/scripts/Makefile.build
107162 +++ b/scripts/Makefile.build
107163 @@ -60,7 +60,7 @@ endif
107164 endif
107165
107166 # Do not include host rules unless needed
107167 -ifneq ($(hostprogs-y)$(hostprogs-m),)
107168 +ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
107169 include scripts/Makefile.host
107170 endif
107171
107172 diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
107173 index a609552..fde19cd 100644
107174 --- a/scripts/Makefile.clean
107175 +++ b/scripts/Makefile.clean
107176 @@ -41,7 +41,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
107177 __clean-files := $(extra-y) $(extra-m) $(extra-) \
107178 $(always) $(targets) $(clean-files) \
107179 $(host-progs) \
107180 - $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
107181 + $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
107182 + $(hostlibs-y) $(hostlibs-m) $(hostlibs-)
107183
107184 __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
107185
107186 diff --git a/scripts/Makefile.host b/scripts/Makefile.host
107187 index 133edfa..c9aa07f 100644
107188 --- a/scripts/Makefile.host
107189 +++ b/scripts/Makefile.host
107190 @@ -20,7 +20,19 @@
107191 # Will compile qconf as a C++ program, and menu as a C program.
107192 # They are linked as C++ code to the executable qconf
107193
107194 +# hostprogs-y := conf
107195 +# conf-objs := conf.o libkconfig.so
107196 +# libkconfig-objs := expr.o type.o
107197 +# Will create a shared library named libkconfig.so that consists of
107198 +# expr.o and type.o (they are both compiled as C code and the object files
107199 +# are made as position independent code).
107200 +# conf.c is compiled as a C program, and conf.o is linked together with
107201 +# libkconfig.so as the executable conf.
107202 +# Note: Shared libraries consisting of C++ files are not supported
107203 +
107204 __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
107205 +__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m))
107206 +__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
107207
107208 # C code
107209 # Executables compiled from a single .c file
107210 @@ -42,6 +54,19 @@ host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
107211 # C++ Object (.o) files compiled from .cc files
107212 host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
107213
107214 +# Shared libaries (only .c supported)
107215 +# Shared libraries (.so) - all .so files referenced in "xxx-objs"
107216 +host-cshlib := $(sort $(filter %.so, $(host-cobjs)))
107217 +host-cshlib += $(sort $(filter %.so, $(__hostlibs)))
107218 +host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs)))
107219 +# Remove .so files from "xxx-objs"
107220 +host-cobjs := $(filter-out %.so,$(host-cobjs))
107221 +host-cxxobjs := $(filter-out %.so,$(host-cxxobjs))
107222 +
107223 +# Object (.o) files used by the shared libaries
107224 +host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
107225 +host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
107226 +
107227 # output directory for programs/.o files
107228 # hostprogs-y := tools/build may have been specified.
107229 # Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
107230 @@ -56,6 +81,10 @@ host-cmulti := $(addprefix $(obj)/,$(host-cmulti))
107231 host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
107232 host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti))
107233 host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
107234 +host-cshlib := $(addprefix $(obj)/,$(host-cshlib))
107235 +host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib))
107236 +host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs))
107237 +host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs))
107238 host-objdirs := $(addprefix $(obj)/,$(host-objdirs))
107239
107240 obj-dirs += $(host-objdirs)
107241 @@ -124,5 +153,37 @@ quiet_cmd_host-cxxobjs = HOSTCXX $@
107242 $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
107243 $(call if_changed_dep,host-cxxobjs)
107244
107245 +# Compile .c file, create position independent .o file
107246 +# host-cshobjs -> .o
107247 +quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
107248 + cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
107249 +$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
107250 + $(call if_changed_dep,host-cshobjs)
107251 +
107252 +# Compile .c file, create position independent .o file
107253 +# host-cxxshobjs -> .o
107254 +quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
107255 + cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
107256 +$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
107257 + $(call if_changed_dep,host-cxxshobjs)
107258 +
107259 +# Link a shared library, based on position independent .o files
107260 +# *.o -> .so shared library (host-cshlib)
107261 +quiet_cmd_host-cshlib = HOSTLLD -shared $@
107262 + cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
107263 + $(addprefix $(obj)/,$($(@F:.so=-objs))) \
107264 + $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
107265 +$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
107266 + $(call if_changed,host-cshlib)
107267 +
107268 +# Link a shared library, based on position independent .o files
107269 +# *.o -> .so shared library (host-cxxshlib)
107270 +quiet_cmd_host-cxxshlib = HOSTLLD -shared $@
107271 + cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \
107272 + $(addprefix $(obj)/,$($(@F:.so=-objs))) \
107273 + $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
107274 +$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE
107275 + $(call if_changed,host-cxxshlib)
107276 +
107277 targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\
107278 - $(host-cxxmulti) $(host-cxxobjs)
107279 + $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs)
107280 diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
107281 index b304068..462d24e 100644
107282 --- a/scripts/basic/fixdep.c
107283 +++ b/scripts/basic/fixdep.c
107284 @@ -161,7 +161,7 @@ static unsigned int strhash(const char *str, unsigned int sz)
107285 /*
107286 * Lookup a value in the configuration string.
107287 */
107288 -static int is_defined_config(const char *name, int len, unsigned int hash)
107289 +static int is_defined_config(const char *name, unsigned int len, unsigned int hash)
107290 {
107291 struct item *aux;
107292
107293 @@ -211,10 +211,10 @@ static void clear_config(void)
107294 /*
107295 * Record the use of a CONFIG_* word.
107296 */
107297 -static void use_config(const char *m, int slen)
107298 +static void use_config(const char *m, unsigned int slen)
107299 {
107300 unsigned int hash = strhash(m, slen);
107301 - int c, i;
107302 + unsigned int c, i;
107303
107304 if (is_defined_config(m, slen, hash))
107305 return;
107306 @@ -235,9 +235,9 @@ static void use_config(const char *m, int slen)
107307
107308 static void parse_config_file(const char *map, size_t len)
107309 {
107310 - const int *end = (const int *) (map + len);
107311 + const unsigned int *end = (const unsigned int *) (map + len);
107312 /* start at +1, so that p can never be < map */
107313 - const int *m = (const int *) map + 1;
107314 + const unsigned int *m = (const unsigned int *) map + 1;
107315 const char *p, *q;
107316
107317 for (; m < end; m++) {
107318 @@ -435,7 +435,7 @@ static void print_deps(void)
107319 static void traps(void)
107320 {
107321 static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
107322 - int *p = (int *)test;
107323 + unsigned int *p = (unsigned int *)test;
107324
107325 if (*p != INT_CONF) {
107326 fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianness? %#x\n",
107327 diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh
107328 new file mode 100644
107329 index 0000000..42018ed
107330 --- /dev/null
107331 +++ b/scripts/gcc-plugin.sh
107332 @@ -0,0 +1,51 @@
107333 +#!/bin/sh
107334 +srctree=$(dirname "$0")
107335 +gccplugins_dir=$($3 -print-file-name=plugin)
107336 +plugincc=$($1 -E - -o /dev/null -I${srctree}/../tools/gcc -I${gccplugins_dir}/include 2>&1 <<EOF
107337 +#include "gcc-common.h"
107338 +#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)
107339 +#warning $2 CXX
107340 +#else
107341 +#warning $1 CC
107342 +#endif
107343 +EOF
107344 +)
107345 +
107346 +if [ $? -ne 0 ]
107347 +then
107348 + exit 1
107349 +fi
107350 +
107351 +case "$plugincc" in
107352 + *"$1 CC"*)
107353 + echo "$1"
107354 + exit 0
107355 + ;;
107356 +
107357 + *"$2 CXX"*)
107358 + # the c++ compiler needs another test, see below
107359 + ;;
107360 +
107361 + *)
107362 + exit 1
107363 + ;;
107364 +esac
107365 +
107366 +# we need a c++ compiler that supports the designated initializer GNU extension
107367 +plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I${srctree}/../tools/gcc -I${gccplugins_dir}/include 2>&1 <<EOF
107368 +#include "gcc-common.h"
107369 +class test {
107370 +public:
107371 + int test;
107372 +} test = {
107373 + .test = 1
107374 +};
107375 +EOF
107376 +)
107377 +
107378 +if [ $? -eq 0 ]
107379 +then
107380 + echo "$2"
107381 + exit 0
107382 +fi
107383 +exit 1
107384 diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
107385 index fdebd66..a349e33 100755
107386 --- a/scripts/headers_install.sh
107387 +++ b/scripts/headers_install.sh
107388 @@ -32,6 +32,7 @@ do
107389 FILE="$(basename "$i")"
107390 sed -r \
107391 -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \
107392 + -e 's/__intentional_overflow\([- \t,0-9]*\)//g' \
107393 -e 's/__attribute_const__([ \t]|$)/\1/g' \
107394 -e 's@^#include <linux/compiler.h>@@' \
107395 -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
107396 diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
107397 index 86a4fe7..99e91f9 100755
107398 --- a/scripts/link-vmlinux.sh
107399 +++ b/scripts/link-vmlinux.sh
107400 @@ -166,7 +166,7 @@ else
107401 fi;
107402
107403 # final build of init/
107404 -${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
107405 +${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" GCC_PLUGINS_AFLAGS="${GCC_PLUGINS_AFLAGS}"
107406
107407 kallsymso=""
107408 kallsyms_vmlinux=""
107409 diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
107410 index e614ef6..d9d2b01 100644
107411 --- a/scripts/mod/file2alias.c
107412 +++ b/scripts/mod/file2alias.c
107413 @@ -142,7 +142,7 @@ static void device_id_check(const char *modname, const char *device_id,
107414 unsigned long size, unsigned long id_size,
107415 void *symval)
107416 {
107417 - int i;
107418 + unsigned int i;
107419
107420 if (size % id_size || size < id_size) {
107421 fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
107422 @@ -171,7 +171,7 @@ static void device_id_check(const char *modname, const char *device_id,
107423 /* USB is special because the bcdDevice can be matched against a numeric range */
107424 /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
107425 static void do_usb_entry(void *symval,
107426 - unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
107427 + unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits,
107428 unsigned char range_lo, unsigned char range_hi,
107429 unsigned char max, struct module *mod)
107430 {
107431 @@ -281,7 +281,7 @@ static void do_usb_entry_multi(void *symval, struct module *mod)
107432 {
107433 unsigned int devlo, devhi;
107434 unsigned char chi, clo, max;
107435 - int ndigits;
107436 + unsigned int ndigits;
107437
107438 DEF_FIELD(symval, usb_device_id, match_flags);
107439 DEF_FIELD(symval, usb_device_id, idVendor);
107440 @@ -534,7 +534,7 @@ static void do_pnp_device_entry(void *symval, unsigned long size,
107441 for (i = 0; i < count; i++) {
107442 DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id);
107443 char acpi_id[sizeof(*id)];
107444 - int j;
107445 + unsigned int j;
107446
107447 buf_printf(&mod->dev_table_buf,
107448 "MODULE_ALIAS(\"pnp:d%s*\");\n", *id);
107449 @@ -563,7 +563,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
107450
107451 for (j = 0; j < PNP_MAX_DEVICES; j++) {
107452 const char *id = (char *)(*devs)[j].id;
107453 - int i2, j2;
107454 + unsigned int i2, j2;
107455 int dup = 0;
107456
107457 if (!id[0])
107458 @@ -589,7 +589,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
107459 /* add an individual alias for every device entry */
107460 if (!dup) {
107461 char acpi_id[PNP_ID_LEN];
107462 - int k;
107463 + unsigned int k;
107464
107465 buf_printf(&mod->dev_table_buf,
107466 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
107467 @@ -939,7 +939,7 @@ static void dmi_ascii_filter(char *d, const char *s)
107468 static int do_dmi_entry(const char *filename, void *symval,
107469 char *alias)
107470 {
107471 - int i, j;
107472 + unsigned int i, j;
107473 DEF_FIELD_ADDR(symval, dmi_system_id, matches);
107474 sprintf(alias, "dmi*");
107475
107476 diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
107477 index d439856..10c1eac 100644
107478 --- a/scripts/mod/modpost.c
107479 +++ b/scripts/mod/modpost.c
107480 @@ -921,6 +921,7 @@ enum mismatch {
107481 ANY_INIT_TO_ANY_EXIT,
107482 ANY_EXIT_TO_ANY_INIT,
107483 EXPORT_TO_INIT_EXIT,
107484 + DATA_TO_TEXT
107485 };
107486
107487 struct sectioncheck {
107488 @@ -1007,6 +1008,12 @@ static const struct sectioncheck sectioncheck[] = {
107489 .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL },
107490 .mismatch = EXPORT_TO_INIT_EXIT,
107491 .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
107492 +},
107493 +/* Do not reference code from writable data */
107494 +{
107495 + .fromsec = { DATA_SECTIONS, NULL },
107496 + .tosec = { TEXT_SECTIONS, NULL },
107497 + .mismatch = DATA_TO_TEXT
107498 }
107499 };
107500
107501 @@ -1127,10 +1134,10 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
107502 continue;
107503 if (ELF_ST_TYPE(sym->st_info) == STT_SECTION)
107504 continue;
107505 - if (sym->st_value == addr)
107506 - return sym;
107507 /* Find a symbol nearby - addr are maybe negative */
107508 d = sym->st_value - addr;
107509 + if (d == 0)
107510 + return sym;
107511 if (d < 0)
107512 d = addr - sym->st_value;
107513 if (d < distance) {
107514 @@ -1408,6 +1415,14 @@ static void report_sec_mismatch(const char *modname,
107515 tosym, prl_to, prl_to, tosym);
107516 free(prl_to);
107517 break;
107518 + case DATA_TO_TEXT:
107519 +#if 0
107520 + fprintf(stderr,
107521 + "The %s %s:%s references\n"
107522 + "the %s %s:%s%s\n",
107523 + from, fromsec, fromsym, to, tosec, tosym, to_p);
107524 +#endif
107525 + break;
107526 }
107527 fprintf(stderr, "\n");
107528 }
107529 @@ -1659,7 +1674,7 @@ static void section_rel(const char *modname, struct elf_info *elf,
107530 static void check_sec_ref(struct module *mod, const char *modname,
107531 struct elf_info *elf)
107532 {
107533 - int i;
107534 + unsigned int i;
107535 Elf_Shdr *sechdrs = elf->sechdrs;
107536
107537 /* Walk through all sections */
107538 @@ -1790,7 +1805,7 @@ void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf,
107539 va_end(ap);
107540 }
107541
107542 -void buf_write(struct buffer *buf, const char *s, int len)
107543 +void buf_write(struct buffer *buf, const char *s, unsigned int len)
107544 {
107545 if (buf->size - buf->pos < len) {
107546 buf->size += len + SZ;
107547 @@ -2009,7 +2024,7 @@ static void write_if_changed(struct buffer *b, const char *fname)
107548 if (fstat(fileno(file), &st) < 0)
107549 goto close_write;
107550
107551 - if (st.st_size != b->pos)
107552 + if (st.st_size != (off_t)b->pos)
107553 goto close_write;
107554
107555 tmp = NOFAIL(malloc(b->pos));
107556 diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
107557 index 168b43d..77914bf 100644
107558 --- a/scripts/mod/modpost.h
107559 +++ b/scripts/mod/modpost.h
107560 @@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *expr);
107561
107562 struct buffer {
107563 char *p;
107564 - int pos;
107565 - int size;
107566 + unsigned int pos;
107567 + unsigned int size;
107568 };
107569
107570 void __attribute__((format(printf, 2, 3)))
107571 buf_printf(struct buffer *buf, const char *fmt, ...);
107572
107573 void
107574 -buf_write(struct buffer *buf, const char *s, int len);
107575 +buf_write(struct buffer *buf, const char *s, unsigned int len);
107576
107577 struct module {
107578 struct module *next;
107579 diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
107580 index 944418d..15291e4 100644
107581 --- a/scripts/mod/sumversion.c
107582 +++ b/scripts/mod/sumversion.c
107583 @@ -470,7 +470,7 @@ static void write_version(const char *filename, const char *sum,
107584 goto out;
107585 }
107586
107587 - if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) {
107588 + if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) {
107589 warn("writing sum in %s failed: %s\n",
107590 filename, strerror(errno));
107591 goto out;
107592 diff --git a/scripts/module-common.lds b/scripts/module-common.lds
107593 index 0865b3e..7235dd4 100644
107594 --- a/scripts/module-common.lds
107595 +++ b/scripts/module-common.lds
107596 @@ -6,6 +6,10 @@
107597 SECTIONS {
107598 /DISCARD/ : { *(.discard) }
107599
107600 + .rodata : {
107601 + *(.rodata) *(.rodata.*)
107602 + *(.data..read_only)
107603 + }
107604 __ksymtab : { *(SORT(___ksymtab+*)) }
107605 __ksymtab_gpl : { *(SORT(___ksymtab_gpl+*)) }
107606 __ksymtab_unused : { *(SORT(___ksymtab_unused+*)) }
107607 diff --git a/scripts/package/Makefile b/scripts/package/Makefile
107608 index 99ca6e7..3a1a1a1 100644
107609 --- a/scripts/package/Makefile
107610 +++ b/scripts/package/Makefile
107611 @@ -46,7 +46,7 @@ rpm-pkg rpm: FORCE
107612 ln -sf $(srctree) $(KERNELPATH)
107613 $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec
107614 $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion
107615 - tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT)
107616 + tar --owner=root --group=root -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT)
107617 rm $(KERNELPATH)
107618 rm -f $(objtree)/.scmversion
107619 $(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
107620 diff --git a/scripts/package/builddeb b/scripts/package/builddeb
107621 index 5972624..4028795 100755
107622 --- a/scripts/package/builddeb
107623 +++ b/scripts/package/builddeb
107624 @@ -293,6 +293,7 @@ fi
107625 (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
107626 (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
107627 (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
107628 +(cd $objtree; find tools/gcc -name \*.so >> "$objtree/debian/hdrobjfiles")
107629 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
107630 mkdir -p "$destdir"
107631 (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
107632 diff --git a/scripts/package/mkspec b/scripts/package/mkspec
107633 index 1395760..bca2734 100755
107634 --- a/scripts/package/mkspec
107635 +++ b/scripts/package/mkspec
107636 @@ -121,29 +121,40 @@ echo 'rm -f $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE/{build,source}"
107637 echo "mkdir -p "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE"
107638 echo "EXCLUDES=\"$RCS_TAR_IGNORE --exclude .tmp_versions --exclude=*vmlinux* --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation --exclude=firmware --exclude .config.old --exclude .missing-syscalls.d\""
107639 echo "tar "'$EXCLUDES'" -cf- . | (cd "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE;tar xvf -)"
107640 -echo 'cd $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE"
107641 -echo "ln -sf /usr/src/kernels/$KERNELRELEASE build"
107642 -echo "ln -sf /usr/src/kernels/$KERNELRELEASE source"
107643
107644 echo ""
107645 echo "%clean"
107646 echo 'rm -rf $RPM_BUILD_ROOT'
107647 echo ""
107648 +echo "%pre"
107649 +echo 'chmod -f 0500 /boot'
107650 +echo 'if [ -d /lib/modules ]; then'
107651 +echo 'chmod -f 0500 /lib/modules'
107652 +echo 'fi'
107653 +echo 'if [ -d /lib32/modules ]; then'
107654 +echo 'chmod -f 0500 /lib32/modules'
107655 +echo 'fi'
107656 +echo 'if [ -d /lib64/modules ]; then'
107657 +echo 'chmod -f 0500 /lib64/modules'
107658 +echo 'fi'
107659 +echo ""
107660 +echo "%post devel"
107661 +echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/build"
107662 +echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/source"
107663 +echo ""
107664 echo "%post"
107665 -echo "if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then"
107666 -echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm"
107667 -echo "cp /boot/System.map-$KERNELRELEASE /boot/System.map-$KERNELRELEASE-rpm"
107668 -echo "rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE"
107669 -echo "/sbin/installkernel $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
107670 -echo "rm -f /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
107671 +echo "if [ -x /sbin/dracut ]; then"
107672 +echo '/sbin/new-kernel-pkg --dracut --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?'
107673 +echo "else"
107674 +echo '/sbin/new-kernel-pkg --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?'
107675 echo "fi"
107676 echo ""
107677 echo "%files"
107678 -echo '%defattr (-, root, root)'
107679 +echo '%defattr (400, root, root, 500)'
107680 echo "%dir /lib/modules"
107681 -echo "/lib/modules/$KERNELRELEASE"
107682 echo "%exclude /lib/modules/$KERNELRELEASE/build"
107683 echo "%exclude /lib/modules/$KERNELRELEASE/source"
107684 +echo "/lib/modules/$KERNELRELEASE"
107685 echo "/lib/firmware/$KERNELRELEASE"
107686 echo "/boot/*"
107687 echo ""
107688 @@ -152,8 +163,7 @@ echo '%defattr (-, root, root)'
107689 echo "/usr/include"
107690 echo ""
107691 echo "%files devel"
107692 -echo '%defattr (-, root, root)'
107693 +echo '%defattr (400, root, root, 500)'
107694 +echo "%dir /lib/modules/$KERNELRELEASE"
107695 echo "/usr/src/kernels/$KERNELRELEASE"
107696 -echo "/lib/modules/$KERNELRELEASE/build"
107697 -echo "/lib/modules/$KERNELRELEASE/source"
107698 echo ""
107699 diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c
107700 index 4718d78..9220d58 100644
107701 --- a/scripts/pnmtologo.c
107702 +++ b/scripts/pnmtologo.c
107703 @@ -244,14 +244,14 @@ static void write_header(void)
107704 fprintf(out, " * Linux logo %s\n", logoname);
107705 fputs(" */\n\n", out);
107706 fputs("#include <linux/linux_logo.h>\n\n", out);
107707 - fprintf(out, "static unsigned char %s_data[] __initdata = {\n",
107708 + fprintf(out, "static unsigned char %s_data[] = {\n",
107709 logoname);
107710 }
107711
107712 static void write_footer(void)
107713 {
107714 fputs("\n};\n\n", out);
107715 - fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname);
107716 + fprintf(out, "const struct linux_logo %s = {\n", logoname);
107717 fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]);
107718 fprintf(out, "\t.width\t\t= %d,\n", logo_width);
107719 fprintf(out, "\t.height\t\t= %d,\n", logo_height);
107720 @@ -381,7 +381,7 @@ static void write_logo_clut224(void)
107721 fputs("\n};\n\n", out);
107722
107723 /* write logo clut */
107724 - fprintf(out, "static unsigned char %s_clut[] __initdata = {\n",
107725 + fprintf(out, "static unsigned char %s_clut[] = {\n",
107726 logoname);
107727 write_hex_cnt = 0;
107728 for (i = 0; i < logo_clutsize; i++) {
107729 diff --git a/scripts/sortextable.h b/scripts/sortextable.h
107730 index ba87004..3f4852c 100644
107731 --- a/scripts/sortextable.h
107732 +++ b/scripts/sortextable.h
107733 @@ -108,9 +108,9 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort)
107734 const char *secstrtab;
107735 const char *strtab;
107736 char *extab_image;
107737 - int extab_index = 0;
107738 - int i;
107739 - int idx;
107740 + unsigned int extab_index = 0;
107741 + unsigned int i;
107742 + unsigned int idx;
107743 unsigned int num_sections;
107744 unsigned int secindex_strings;
107745
107746 diff --git a/scripts/tags.sh b/scripts/tags.sh
107747 index cdb491d..8d32bfc 100755
107748 --- a/scripts/tags.sh
107749 +++ b/scripts/tags.sh
107750 @@ -26,7 +26,7 @@ else
107751 fi
107752
107753 # ignore userspace tools
107754 -ignore="$ignore ( -path ${tree}tools ) -prune -o"
107755 +ignore="$ignore ( -path \"${tree}tools/[^g]*\" ) -prune -o"
107756
107757 # Find all available archs
107758 find_all_archs()
107759 diff --git a/security/Kconfig b/security/Kconfig
107760 index beb86b5..1a953b1 100644
107761 --- a/security/Kconfig
107762 +++ b/security/Kconfig
107763 @@ -4,6 +4,974 @@
107764
107765 menu "Security options"
107766
107767 +menu "Grsecurity"
107768 +
107769 + config ARCH_TRACK_EXEC_LIMIT
107770 + bool
107771 +
107772 + config PAX_KERNEXEC_PLUGIN
107773 + bool
107774 +
107775 + config PAX_PER_CPU_PGD
107776 + bool
107777 +
107778 + config TASK_SIZE_MAX_SHIFT
107779 + int
107780 + depends on X86_64
107781 + default 47 if !PAX_PER_CPU_PGD
107782 + default 42 if PAX_PER_CPU_PGD
107783 +
107784 + config PAX_ENABLE_PAE
107785 + bool
107786 + default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM))
107787 +
107788 + config PAX_USERCOPY_SLABS
107789 + bool
107790 +
107791 +config GRKERNSEC
107792 + bool "Grsecurity"
107793 + select CRYPTO
107794 + select CRYPTO_SHA256
107795 + select PROC_FS
107796 + select STOP_MACHINE
107797 + select TTY
107798 + select DEBUG_KERNEL
107799 + select DEBUG_LIST
107800 + help
107801 + If you say Y here, you will be able to configure many features
107802 + that will enhance the security of your system. It is highly
107803 + recommended that you say Y here and read through the help
107804 + for each option so that you fully understand the features and
107805 + can evaluate their usefulness for your machine.
107806 +
107807 +choice
107808 + prompt "Configuration Method"
107809 + depends on GRKERNSEC
107810 + default GRKERNSEC_CONFIG_CUSTOM
107811 + help
107812 +
107813 +config GRKERNSEC_CONFIG_AUTO
107814 + bool "Automatic"
107815 + help
107816 + If you choose this configuration method, you'll be able to answer a small
107817 + number of simple questions about how you plan to use this kernel.
107818 + The settings of grsecurity and PaX will be automatically configured for
107819 + the highest commonly-used settings within the provided constraints.
107820 +
107821 + If you require additional configuration, custom changes can still be made
107822 + from the "custom configuration" menu.
107823 +
107824 +config GRKERNSEC_CONFIG_CUSTOM
107825 + bool "Custom"
107826 + help
107827 + If you choose this configuration method, you'll be able to configure all
107828 + grsecurity and PaX settings manually. Via this method, no options are
107829 + automatically enabled.
107830 +
107831 +endchoice
107832 +
107833 +choice
107834 + prompt "Usage Type"
107835 + depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
107836 + default GRKERNSEC_CONFIG_SERVER
107837 + help
107838 +
107839 +config GRKERNSEC_CONFIG_SERVER
107840 + bool "Server"
107841 + help
107842 + Choose this option if you plan to use this kernel on a server.
107843 +
107844 +config GRKERNSEC_CONFIG_DESKTOP
107845 + bool "Desktop"
107846 + help
107847 + Choose this option if you plan to use this kernel on a desktop.
107848 +
107849 +endchoice
107850 +
107851 +choice
107852 + prompt "Virtualization Type"
107853 + depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO)
107854 + default GRKERNSEC_CONFIG_VIRT_NONE
107855 + help
107856 +
107857 +config GRKERNSEC_CONFIG_VIRT_NONE
107858 + bool "None"
107859 + help
107860 + Choose this option if this kernel will be run on bare metal.
107861 +
107862 +config GRKERNSEC_CONFIG_VIRT_GUEST
107863 + bool "Guest"
107864 + help
107865 + Choose this option if this kernel will be run as a VM guest.
107866 +
107867 +config GRKERNSEC_CONFIG_VIRT_HOST
107868 + bool "Host"
107869 + help
107870 + Choose this option if this kernel will be run as a VM host.
107871 +
107872 +endchoice
107873 +
107874 +choice
107875 + prompt "Virtualization Hardware"
107876 + depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
107877 + help
107878 +
107879 +config GRKERNSEC_CONFIG_VIRT_EPT
107880 + bool "EPT/RVI Processor Support"
107881 + depends on X86
107882 + help
107883 + Choose this option if your CPU supports the EPT or RVI features of 2nd-gen
107884 + hardware virtualization. This allows for additional kernel hardening protections
107885 + to operate without additional performance impact.
107886 +
107887 + To see if your Intel processor supports EPT, see:
107888 + http://ark.intel.com/Products/VirtualizationTechnology
107889 + (Most Core i3/5/7 support EPT)
107890 +
107891 + To see if your AMD processor supports RVI, see:
107892 + http://support.amd.com/us/kbarticles/Pages/GPU120AMDRVICPUsHyperVWin8.aspx
107893 +
107894 +config GRKERNSEC_CONFIG_VIRT_SOFT
107895 + bool "First-gen/No Hardware Virtualization"
107896 + help
107897 + Choose this option if you use an Atom/Pentium/Core 2 processor that either doesn't
107898 + support hardware virtualization or doesn't support the EPT/RVI extensions.
107899 +
107900 +endchoice
107901 +
107902 +choice
107903 + prompt "Virtualization Software"
107904 + depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST))
107905 + help
107906 +
107907 +config GRKERNSEC_CONFIG_VIRT_XEN
107908 + bool "Xen"
107909 + help
107910 + Choose this option if this kernel is running as a Xen guest or host.
107911 +
107912 +config GRKERNSEC_CONFIG_VIRT_VMWARE
107913 + bool "VMWare"
107914 + help
107915 + Choose this option if this kernel is running as a VMWare guest or host.
107916 +
107917 +config GRKERNSEC_CONFIG_VIRT_KVM
107918 + bool "KVM"
107919 + help
107920 + Choose this option if this kernel is running as a KVM guest or host.
107921 +
107922 +config GRKERNSEC_CONFIG_VIRT_VIRTUALBOX
107923 + bool "VirtualBox"
107924 + help
107925 + Choose this option if this kernel is running as a VirtualBox guest or host.
107926 +
107927 +config GRKERNSEC_CONFIG_VIRT_HYPERV
107928 + bool "Hyper-V"
107929 + help
107930 + Choose this option if this kernel is running as a Hyper-V guest.
107931 +
107932 +endchoice
107933 +
107934 +choice
107935 + prompt "Required Priorities"
107936 + depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
107937 + default GRKERNSEC_CONFIG_PRIORITY_PERF
107938 + help
107939 +
107940 +config GRKERNSEC_CONFIG_PRIORITY_PERF
107941 + bool "Performance"
107942 + help
107943 + Choose this option if performance is of highest priority for this deployment
107944 + of grsecurity. Features like UDEREF on a 64bit kernel, kernel stack clearing,
107945 + clearing of structures intended for userland, and freed memory sanitizing will
107946 + be disabled.
107947 +
107948 +config GRKERNSEC_CONFIG_PRIORITY_SECURITY
107949 + bool "Security"
107950 + help
107951 + Choose this option if security is of highest priority for this deployment of
107952 + grsecurity. UDEREF, kernel stack clearing, clearing of structures intended
107953 + for userland, and freed memory sanitizing will be enabled for this kernel.
107954 + In a worst-case scenario, these features can introduce a 20% performance hit
107955 + (UDEREF on x64 contributing half of this hit).
107956 +
107957 +endchoice
107958 +
107959 +menu "Default Special Groups"
107960 +depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO)
107961 +
107962 +config GRKERNSEC_PROC_GID
107963 + int "GID exempted from /proc restrictions"
107964 + default 1001
107965 + help
107966 + Setting this GID determines which group will be exempted from
107967 + grsecurity's /proc restrictions, allowing users of the specified
107968 + group to view network statistics and the existence of other users'
107969 + processes on the system. This GID may also be chosen at boot time
107970 + via "grsec_proc_gid=" on the kernel commandline.
107971 +
107972 +config GRKERNSEC_TPE_UNTRUSTED_GID
107973 + int "GID for TPE-untrusted users"
107974 + depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT
107975 + default 1005
107976 + help
107977 + Setting this GID determines which group untrusted users should
107978 + be added to. These users will be placed under grsecurity's Trusted Path
107979 + Execution mechanism, preventing them from executing their own binaries.
107980 + The users will only be able to execute binaries in directories owned and
107981 + writable only by the root user. If the sysctl option is enabled, a sysctl
107982 + option with name "tpe_gid" is created.
107983 +
107984 +config GRKERNSEC_TPE_TRUSTED_GID
107985 + int "GID for TPE-trusted users"
107986 + depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT
107987 + default 1005
107988 + help
107989 + Setting this GID determines what group TPE restrictions will be
107990 + *disabled* for. If the sysctl option is enabled, a sysctl option
107991 + with name "tpe_gid" is created.
107992 +
107993 +config GRKERNSEC_SYMLINKOWN_GID
107994 + int "GID for users with kernel-enforced SymlinksIfOwnerMatch"
107995 + depends on GRKERNSEC_CONFIG_SERVER
107996 + default 1006
107997 + help
107998 + Setting this GID determines what group kernel-enforced
107999 + SymlinksIfOwnerMatch will be enabled for. If the sysctl option
108000 + is enabled, a sysctl option with name "symlinkown_gid" is created.
108001 +
108002 +
108003 +endmenu
108004 +
108005 +menu "Customize Configuration"
108006 +depends on GRKERNSEC
108007 +
108008 +menu "PaX"
108009 +
108010 +config PAX
108011 + bool "Enable various PaX features"
108012 + default y if GRKERNSEC_CONFIG_AUTO
108013 + depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86)
108014 + help
108015 + This allows you to enable various PaX features. PaX adds
108016 + intrusion prevention mechanisms to the kernel that reduce
108017 + the risks posed by exploitable memory corruption bugs.
108018 +
108019 +menu "PaX Control"
108020 + depends on PAX
108021 +
108022 +config PAX_SOFTMODE
108023 + bool 'Support soft mode'
108024 + help
108025 + Enabling this option will allow you to run PaX in soft mode, that
108026 + is, PaX features will not be enforced by default, only on executables
108027 + marked explicitly. You must also enable PT_PAX_FLAGS or XATTR_PAX_FLAGS
108028 + support as they are the only way to mark executables for soft mode use.
108029 +
108030 + Soft mode can be activated by using the "pax_softmode=1" kernel command
108031 + line option on boot. Furthermore you can control various PaX features
108032 + at runtime via the entries in /proc/sys/kernel/pax.
108033 +
108034 +config PAX_EI_PAX
108035 + bool 'Use legacy ELF header marking'
108036 + default y if GRKERNSEC_CONFIG_AUTO
108037 + help
108038 + Enabling this option will allow you to control PaX features on
108039 + a per executable basis via the 'chpax' utility available at
108040 + http://pax.grsecurity.net/. The control flags will be read from
108041 + an otherwise reserved part of the ELF header. This marking has
108042 + numerous drawbacks (no support for soft-mode, toolchain does not
108043 + know about the non-standard use of the ELF header) therefore it
108044 + has been deprecated in favour of PT_PAX_FLAGS and XATTR_PAX_FLAGS
108045 + support.
108046 +
108047 + Note that if you enable PT_PAX_FLAGS or XATTR_PAX_FLAGS marking
108048 + support as well, they will override the legacy EI_PAX marks.
108049 +
108050 + If you enable none of the marking options then all applications
108051 + will run with PaX enabled on them by default.
108052 +
108053 +config PAX_PT_PAX_FLAGS
108054 + bool 'Use ELF program header marking'
108055 + default y if GRKERNSEC_CONFIG_AUTO
108056 + help
108057 + Enabling this option will allow you to control PaX features on
108058 + a per executable basis via the 'paxctl' utility available at
108059 + http://pax.grsecurity.net/. The control flags will be read from
108060 + a PaX specific ELF program header (PT_PAX_FLAGS). This marking
108061 + has the benefits of supporting both soft mode and being fully
108062 + integrated into the toolchain (the binutils patch is available
108063 + from http://pax.grsecurity.net).
108064 +
108065 + Note that if you enable the legacy EI_PAX marking support as well,
108066 + the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks.
108067 +
108068 + If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
108069 + must make sure that the marks are the same if a binary has both marks.
108070 +
108071 + If you enable none of the marking options then all applications
108072 + will run with PaX enabled on them by default.
108073 +
108074 +config PAX_XATTR_PAX_FLAGS
108075 + bool 'Use filesystem extended attributes marking'
108076 + default y if GRKERNSEC_CONFIG_AUTO
108077 + select CIFS_XATTR if CIFS
108078 + select F2FS_FS_XATTR if F2FS_FS
108079 + select EXT2_FS_XATTR if EXT2_FS
108080 + select EXT3_FS_XATTR if EXT3_FS
108081 + select JFFS2_FS_XATTR if JFFS2_FS
108082 + select REISERFS_FS_XATTR if REISERFS_FS
108083 + select SQUASHFS_XATTR if SQUASHFS
108084 + select TMPFS_XATTR if TMPFS
108085 + help
108086 + Enabling this option will allow you to control PaX features on
108087 + a per executable basis via the 'setfattr' utility. The control
108088 + flags will be read from the user.pax.flags extended attribute of
108089 + the file. This marking has the benefit of supporting binary-only
108090 + applications that self-check themselves (e.g., skype) and would
108091 + not tolerate chpax/paxctl changes. The main drawback is that
108092 + extended attributes are not supported by some filesystems (e.g.,
108093 + isofs, udf, vfat) so copying files through such filesystems will
108094 + lose the extended attributes and these PaX markings.
108095 +
108096 + Note that if you enable the legacy EI_PAX marking support as well,
108097 + the EI_PAX marks will be overridden by the XATTR_PAX_FLAGS marks.
108098 +
108099 + If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you
108100 + must make sure that the marks are the same if a binary has both marks.
108101 +
108102 + If you enable none of the marking options then all applications
108103 + will run with PaX enabled on them by default.
108104 +
108105 +choice
108106 + prompt 'MAC system integration'
108107 + default PAX_HAVE_ACL_FLAGS
108108 + help
108109 + Mandatory Access Control systems have the option of controlling
108110 + PaX flags on a per executable basis, choose the method supported
108111 + by your particular system.
108112 +
108113 + - "none": if your MAC system does not interact with PaX,
108114 + - "direct": if your MAC system defines pax_set_initial_flags() itself,
108115 + - "hook": if your MAC system uses the pax_set_initial_flags_func callback.
108116 +
108117 + NOTE: this option is for developers/integrators only.
108118 +
108119 + config PAX_NO_ACL_FLAGS
108120 + bool 'none'
108121 +
108122 + config PAX_HAVE_ACL_FLAGS
108123 + bool 'direct'
108124 +
108125 + config PAX_HOOK_ACL_FLAGS
108126 + bool 'hook'
108127 +endchoice
108128 +
108129 +endmenu
108130 +
108131 +menu "Non-executable pages"
108132 + depends on PAX
108133 +
108134 +config PAX_NOEXEC
108135 + bool "Enforce non-executable pages"
108136 + default y if GRKERNSEC_CONFIG_AUTO
108137 + depends on ALPHA || (ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86
108138 + help
108139 + By design some architectures do not allow for protecting memory
108140 + pages against execution or even if they do, Linux does not make
108141 + use of this feature. In practice this means that if a page is
108142 + readable (such as the stack or heap) it is also executable.
108143 +
108144 + There is a well known exploit technique that makes use of this
108145 + fact and a common programming mistake where an attacker can
108146 + introduce code of his choice somewhere in the attacked program's
108147 + memory (typically the stack or the heap) and then execute it.
108148 +
108149 + If the attacked program was running with different (typically
108150 + higher) privileges than that of the attacker, then he can elevate
108151 + his own privilege level (e.g. get a root shell, write to files for
108152 + which he does not have write access to, etc).
108153 +
108154 + Enabling this option will let you choose from various features
108155 + that prevent the injection and execution of 'foreign' code in
108156 + a program.
108157 +
108158 + This will also break programs that rely on the old behaviour and
108159 + expect that dynamically allocated memory via the malloc() family
108160 + of functions is executable (which it is not). Notable examples
108161 + are the XFree86 4.x server, the java runtime and wine.
108162 +
108163 +config PAX_PAGEEXEC
108164 + bool "Paging based non-executable pages"
108165 + default y if GRKERNSEC_CONFIG_AUTO
108166 + depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7)
108167 + select ARCH_TRACK_EXEC_LIMIT if X86_32
108168 + help
108169 + This implementation is based on the paging feature of the CPU.
108170 + On i386 without hardware non-executable bit support there is a
108171 + variable but usually low performance impact, however on Intel's
108172 + P4 core based CPUs it is very high so you should not enable this
108173 + for kernels meant to be used on such CPUs.
108174 +
108175 + On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386
108176 + with hardware non-executable bit support there is no performance
108177 + impact, on ppc the impact is negligible.
108178 +
108179 + Note that several architectures require various emulations due to
108180 + badly designed userland ABIs, this will cause a performance impact
108181 + but will disappear as soon as userland is fixed. For example, ppc
108182 + userland MUST have been built with secure-plt by a recent toolchain.
108183 +
108184 +config PAX_SEGMEXEC
108185 + bool "Segmentation based non-executable pages"
108186 + default y if GRKERNSEC_CONFIG_AUTO
108187 + depends on PAX_NOEXEC && X86_32
108188 + help
108189 + This implementation is based on the segmentation feature of the
108190 + CPU and has a very small performance impact, however applications
108191 + will be limited to a 1.5 GB address space instead of the normal
108192 + 3 GB.
108193 +
108194 +config PAX_EMUTRAMP
108195 + bool "Emulate trampolines"
108196 + default y if PARISC || GRKERNSEC_CONFIG_AUTO
108197 + depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86)
108198 + help
108199 + There are some programs and libraries that for one reason or
108200 + another attempt to execute special small code snippets from
108201 + non-executable memory pages. Most notable examples are the
108202 + signal handler return code generated by the kernel itself and
108203 + the GCC trampolines.
108204 +
108205 + If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then
108206 + such programs will no longer work under your kernel.
108207 +
108208 + As a remedy you can say Y here and use the 'chpax' or 'paxctl'
108209 + utilities to enable trampoline emulation for the affected programs
108210 + yet still have the protection provided by the non-executable pages.
108211 +
108212 + On parisc you MUST enable this option and EMUSIGRT as well, otherwise
108213 + your system will not even boot.
108214 +
108215 + Alternatively you can say N here and use the 'chpax' or 'paxctl'
108216 + utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC
108217 + for the affected files.
108218 +
108219 + NOTE: enabling this feature *may* open up a loophole in the
108220 + protection provided by non-executable pages that an attacker
108221 + could abuse. Therefore the best solution is to not have any
108222 + files on your system that would require this option. This can
108223 + be achieved by not using libc5 (which relies on the kernel
108224 + signal handler return code) and not using or rewriting programs
108225 + that make use of the nested function implementation of GCC.
108226 + Skilled users can just fix GCC itself so that it implements
108227 + nested function calls in a way that does not interfere with PaX.
108228 +
108229 +config PAX_EMUSIGRT
108230 + bool "Automatically emulate sigreturn trampolines"
108231 + depends on PAX_EMUTRAMP && PARISC
108232 + default y
108233 + help
108234 + Enabling this option will have the kernel automatically detect
108235 + and emulate signal return trampolines executing on the stack
108236 + that would otherwise lead to task termination.
108237 +
108238 + This solution is intended as a temporary one for users with
108239 + legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17,
108240 + Modula-3 runtime, etc) or executables linked to such, basically
108241 + everything that does not specify its own SA_RESTORER function in
108242 + normal executable memory like glibc 2.1+ does.
108243 +
108244 + On parisc you MUST enable this option, otherwise your system will
108245 + not even boot.
108246 +
108247 + NOTE: this feature cannot be disabled on a per executable basis
108248 + and since it *does* open up a loophole in the protection provided
108249 + by non-executable pages, the best solution is to not have any
108250 + files on your system that would require this option.
108251 +
108252 +config PAX_MPROTECT
108253 + bool "Restrict mprotect()"
108254 + default y if GRKERNSEC_CONFIG_AUTO
108255 + depends on (PAX_PAGEEXEC || PAX_SEGMEXEC)
108256 + help
108257 + Enabling this option will prevent programs from
108258 + - changing the executable status of memory pages that were
108259 + not originally created as executable,
108260 + - making read-only executable pages writable again,
108261 + - creating executable pages from anonymous memory,
108262 + - making read-only-after-relocations (RELRO) data pages writable again.
108263 +
108264 + You should say Y here to complete the protection provided by
108265 + the enforcement of non-executable pages.
108266 +
108267 + NOTE: you can use the 'chpax' or 'paxctl' utilities to control
108268 + this feature on a per file basis.
108269 +
108270 +config PAX_MPROTECT_COMPAT
108271 + bool "Use legacy/compat protection demoting (read help)"
108272 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
108273 + depends on PAX_MPROTECT
108274 + help
108275 + The current implementation of PAX_MPROTECT denies RWX allocations/mprotects
108276 + by sending the proper error code to the application. For some broken
108277 + userland, this can cause problems with Python or other applications. The
108278 + current implementation however allows for applications like clamav to
108279 + detect if JIT compilation/execution is allowed and to fall back gracefully
108280 + to an interpreter-based mode if it does not. While we encourage everyone
108281 + to use the current implementation as-is and push upstream to fix broken
108282 + userland (note that the RWX logging option can assist with this), in some
108283 + environments this may not be possible. Having to disable MPROTECT
108284 + completely on certain binaries reduces the security benefit of PaX,
108285 + so this option is provided for those environments to revert to the old
108286 + behavior.
108287 +
108288 +config PAX_ELFRELOCS
108289 + bool "Allow ELF text relocations (read help)"
108290 + depends on PAX_MPROTECT
108291 + default n
108292 + help
108293 + Non-executable pages and mprotect() restrictions are effective
108294 + in preventing the introduction of new executable code into an
108295 + attacked task's address space. There remain only two venues
108296 + for this kind of attack: if the attacker can execute already
108297 + existing code in the attacked task then he can either have it
108298 + create and mmap() a file containing his code or have it mmap()
108299 + an already existing ELF library that does not have position
108300 + independent code in it and use mprotect() on it to make it
108301 + writable and copy his code there. While protecting against
108302 + the former approach is beyond PaX, the latter can be prevented
108303 + by having only PIC ELF libraries on one's system (which do not
108304 + need to relocate their code). If you are sure this is your case,
108305 + as is the case with all modern Linux distributions, then leave
108306 + this option disabled. You should say 'n' here.
108307 +
108308 +config PAX_ETEXECRELOCS
108309 + bool "Allow ELF ET_EXEC text relocations"
108310 + depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC)
108311 + select PAX_ELFRELOCS
108312 + default y
108313 + help
108314 + On some architectures there are incorrectly created applications
108315 + that require text relocations and would not work without enabling
108316 + this option. If you are an alpha, ia64 or parisc user, you should
108317 + enable this option and disable it once you have made sure that
108318 + none of your applications need it.
108319 +
108320 +config PAX_EMUPLT
108321 + bool "Automatically emulate ELF PLT"
108322 + depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC)
108323 + default y
108324 + help
108325 + Enabling this option will have the kernel automatically detect
108326 + and emulate the Procedure Linkage Table entries in ELF files.
108327 + On some architectures such entries are in writable memory, and
108328 + become non-executable leading to task termination. Therefore
108329 + it is mandatory that you enable this option on alpha, parisc,
108330 + sparc and sparc64, otherwise your system would not even boot.
108331 +
108332 + NOTE: this feature *does* open up a loophole in the protection
108333 + provided by the non-executable pages, therefore the proper
108334 + solution is to modify the toolchain to produce a PLT that does
108335 + not need to be writable.
108336 +
108337 +config PAX_DLRESOLVE
108338 + bool 'Emulate old glibc resolver stub'
108339 + depends on PAX_EMUPLT && SPARC
108340 + default n
108341 + help
108342 + This option is needed if userland has an old glibc (before 2.4)
108343 + that puts a 'save' instruction into the runtime generated resolver
108344 + stub that needs special emulation.
108345 +
108346 +config PAX_KERNEXEC
108347 + bool "Enforce non-executable kernel pages"
108348 + default y if GRKERNSEC_CONFIG_AUTO && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_GUEST) || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_KVM))
108349 + depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !(ARM_LPAE && MODULES))) && !XEN
108350 + select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE)
108351 + select PAX_KERNEXEC_PLUGIN if X86_64
108352 + help
108353 + This is the kernel land equivalent of PAGEEXEC and MPROTECT,
108354 + that is, enabling this option will make it harder to inject
108355 + and execute 'foreign' code in kernel memory itself.
108356 +
108357 + Note that on amd64, CONFIG_EFI enabled with "efi=old_map" on
108358 + the kernel command-line will result in an RWX physical map.
108359 +
108360 + Likewise, the EFI runtime services are necessarily mapped as
108361 + RWX. If CONFIG_EFI is enabled on an EFI-capable system, it
108362 + is recommended that you boot with "noefi" on the kernel
108363 + command-line if possible to eliminate the mapping.
108364 +
108365 +choice
108366 + prompt "Return Address Instrumentation Method"
108367 + default PAX_KERNEXEC_PLUGIN_METHOD_BTS
108368 + depends on PAX_KERNEXEC_PLUGIN
108369 + help
108370 + Select the method used to instrument function pointer dereferences.
108371 + Note that binary modules cannot be instrumented by this approach.
108372 +
108373 + Note that the implementation requires a gcc with plugin support,
108374 + i.e., gcc 4.5 or newer. You may need to install the supporting
108375 + headers explicitly in addition to the normal gcc package.
108376 +
108377 + config PAX_KERNEXEC_PLUGIN_METHOD_BTS
108378 + bool "bts"
108379 + help
108380 + This method is compatible with binary only modules but has
108381 + a higher runtime overhead.
108382 +
108383 + config PAX_KERNEXEC_PLUGIN_METHOD_OR
108384 + bool "or"
108385 + depends on !PARAVIRT
108386 + help
108387 + This method is incompatible with binary only modules but has
108388 + a lower runtime overhead.
108389 +endchoice
108390 +
108391 +config PAX_KERNEXEC_PLUGIN_METHOD
108392 + string
108393 + default "bts" if PAX_KERNEXEC_PLUGIN_METHOD_BTS
108394 + default "or" if PAX_KERNEXEC_PLUGIN_METHOD_OR
108395 + default ""
108396 +
108397 +config PAX_KERNEXEC_MODULE_TEXT
108398 + int "Minimum amount of memory reserved for module code"
108399 + default "8" if (!GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_SERVER)
108400 + default "12" if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP)
108401 + depends on PAX_KERNEXEC && X86_32
108402 + help
108403 + Due to implementation details the kernel must reserve a fixed
108404 + amount of memory for runtime allocated code (such as modules)
108405 + at compile time that cannot be changed at runtime. Here you
108406 + can specify the minimum amount in MB that will be reserved.
108407 + Due to the same implementation details this size will always
108408 + be rounded up to the next 2/4 MB boundary (depends on PAE) so
108409 + the actually available memory for runtime allocated code will
108410 + usually be more than this minimum.
108411 +
108412 + The default 4 MB should be enough for most users but if you have
108413 + an excessive number of modules (e.g., most distribution configs
108414 + compile many drivers as modules) or use huge modules such as
108415 + nvidia's kernel driver, you will need to adjust this amount.
108416 + A good rule of thumb is to look at your currently loaded kernel
108417 + modules and add up their sizes.
108418 +
108419 +endmenu
108420 +
108421 +menu "Address Space Layout Randomization"
108422 + depends on PAX
108423 +
108424 +config PAX_ASLR
108425 + bool "Address Space Layout Randomization"
108426 + default y if GRKERNSEC_CONFIG_AUTO
108427 + help
108428 + Many if not most exploit techniques rely on the knowledge of
108429 + certain addresses in the attacked program. The following options
108430 + will allow the kernel to apply a certain amount of randomization
108431 + to specific parts of the program thereby forcing an attacker to
108432 + guess them in most cases. Any failed guess will most likely crash
108433 + the attacked program which allows the kernel to detect such attempts
108434 + and react on them. PaX itself provides no reaction mechanisms,
108435 + instead it is strongly encouraged that you make use of grsecurity's
108436 + (http://www.grsecurity.net/) built-in crash detection features or
108437 + develop one yourself.
108438 +
108439 + By saying Y here you can choose to randomize the following areas:
108440 + - top of the task's kernel stack
108441 + - top of the task's userland stack
108442 + - base address for mmap() requests that do not specify one
108443 + (this includes all libraries)
108444 + - base address of the main executable
108445 +
108446 + It is strongly recommended to say Y here as address space layout
108447 + randomization has negligible impact on performance yet it provides
108448 + a very effective protection.
108449 +
108450 + NOTE: you can use the 'chpax' or 'paxctl' utilities to control
108451 + this feature on a per file basis.
108452 +
108453 +config PAX_RANDKSTACK
108454 + bool "Randomize kernel stack base"
108455 + default y if GRKERNSEC_CONFIG_AUTO && !(GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_VIRTUALBOX)
108456 + depends on X86_TSC && X86
108457 + help
108458 + By saying Y here the kernel will randomize every task's kernel
108459 + stack on every system call. This will not only force an attacker
108460 + to guess it but also prevent him from making use of possible
108461 + leaked information about it.
108462 +
108463 + Since the kernel stack is a rather scarce resource, randomization
108464 + may cause unexpected stack overflows, therefore you should very
108465 + carefully test your system. Note that once enabled in the kernel
108466 + configuration, this feature cannot be disabled on a per file basis.
108467 +
108468 +config PAX_RANDUSTACK
108469 + bool
108470 +
108471 +config PAX_RANDMMAP
108472 + bool "Randomize user stack and mmap() bases"
108473 + default y if GRKERNSEC_CONFIG_AUTO
108474 + depends on PAX_ASLR
108475 + select PAX_RANDUSTACK
108476 + help
108477 + By saying Y here the kernel will randomize every task's userland
108478 + stack and use a randomized base address for mmap() requests that
108479 + do not specify one themselves.
108480 +
108481 + The stack randomization is done in two steps where the second
108482 + one may apply a big amount of shift to the top of the stack and
108483 + cause problems for programs that want to use lots of memory (more
108484 + than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is).
108485 +
108486 + As a result of mmap randomization all dynamically loaded libraries
108487 + will appear at random addresses and therefore be harder to exploit
108488 + by a technique where an attacker attempts to execute library code
108489 + for his purposes (e.g. spawn a shell from an exploited program that
108490 + is running at an elevated privilege level).
108491 +
108492 + Furthermore, if a program is relinked as a dynamic ELF file, its
108493 + base address will be randomized as well, completing the full
108494 + randomization of the address space layout. Attacking such programs
108495 + becomes a guess game. You can find an example of doing this at
108496 + http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at
108497 + http://www.grsecurity.net/grsec-gcc-specs.tar.gz .
108498 +
108499 + NOTE: you can use the 'chpax' or 'paxctl' utilities to control this
108500 + feature on a per file basis.
108501 +
108502 +endmenu
108503 +
108504 +menu "Miscellaneous hardening features"
108505 +
108506 +config PAX_MEMORY_SANITIZE
108507 + bool "Sanitize all freed memory"
108508 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
108509 + help
108510 + By saying Y here the kernel will erase memory pages and slab objects
108511 + as soon as they are freed. This in turn reduces the lifetime of data
108512 + stored in them, making it less likely that sensitive information such
108513 + as passwords, cryptographic secrets, etc stay in memory for too long.
108514 +
108515 + This is especially useful for programs whose runtime is short, long
108516 + lived processes and the kernel itself benefit from this as long as
108517 + they ensure timely freeing of memory that may hold sensitive
108518 + information.
108519 +
108520 + A nice side effect of the sanitization of slab objects is the
108521 + reduction of possible info leaks caused by padding bytes within the
108522 + leaky structures. Use-after-free bugs for structures containing
108523 + pointers can also be detected as dereferencing the sanitized pointer
108524 + will generate an access violation.
108525 +
108526 + The tradeoff is performance impact, on a single CPU system kernel
108527 + compilation sees a 3% slowdown, other systems and workloads may vary
108528 + and you are advised to test this feature on your expected workload
108529 + before deploying it.
108530 +
108531 + The slab sanitization feature excludes a few slab caches per default
108532 + for performance reasons. To extend the feature to cover those as
108533 + well, pass "pax_sanitize_slab=full" as kernel command line parameter.
108534 +
108535 + To reduce the performance penalty by sanitizing pages only, albeit
108536 + limiting the effectiveness of this feature at the same time, slab
108537 + sanitization can be disabled with the kernel command line parameter
108538 + "pax_sanitize_slab=off".
108539 +
108540 + Note that this feature does not protect data stored in live pages,
108541 + e.g., process memory swapped to disk may stay there for a long time.
108542 +
108543 +config PAX_MEMORY_STACKLEAK
108544 + bool "Sanitize kernel stack"
108545 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
108546 + depends on X86
108547 + help
108548 + By saying Y here the kernel will erase the kernel stack before it
108549 + returns from a system call. This in turn reduces the information
108550 + that a kernel stack leak bug can reveal.
108551 +
108552 + Note that such a bug can still leak information that was put on
108553 + the stack by the current system call (the one eventually triggering
108554 + the bug) but traces of earlier system calls on the kernel stack
108555 + cannot leak anymore.
108556 +
108557 + The tradeoff is performance impact: on a single CPU system kernel
108558 + compilation sees a 1% slowdown, other systems and workloads may vary
108559 + and you are advised to test this feature on your expected workload
108560 + before deploying it.
108561 +
108562 + Note that the full feature requires a gcc with plugin support,
108563 + i.e., gcc 4.5 or newer. You may need to install the supporting
108564 + headers explicitly in addition to the normal gcc package. Using
108565 + older gcc versions means that functions with large enough stack
108566 + frames may leave uninitialized memory behind that may be exposed
108567 + to a later syscall leaking the stack.
108568 +
108569 +config PAX_MEMORY_STRUCTLEAK
108570 + bool "Forcibly initialize local variables copied to userland"
108571 + default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY)
108572 + help
108573 + By saying Y here the kernel will zero initialize some local
108574 + variables that are going to be copied to userland. This in
108575 + turn prevents unintended information leakage from the kernel
108576 + stack should later code forget to explicitly set all parts of
108577 + the copied variable.
108578 +
108579 + The tradeoff is less performance impact than PAX_MEMORY_STACKLEAK
108580 + at a much smaller coverage.
108581 +
108582 + Note that the implementation requires a gcc with plugin support,
108583 + i.e., gcc 4.5 or newer. You may need to install the supporting
108584 + headers explicitly in addition to the normal gcc package.
108585 +
108586 +config PAX_MEMORY_UDEREF
108587 + bool "Prevent invalid userland pointer dereference"
108588 + default y if GRKERNSEC_CONFIG_AUTO && !(X86_64 && GRKERNSEC_CONFIG_PRIORITY_PERF) && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || GRKERNSEC_CONFIG_VIRT_EPT)
108589 + depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !ARM_LPAE)) && !UML_X86 && !XEN
108590 + select PAX_PER_CPU_PGD if X86_64
108591 + help
108592 + By saying Y here the kernel will be prevented from dereferencing
108593 + userland pointers in contexts where the kernel expects only kernel
108594 + pointers. This is both a useful runtime debugging feature and a
108595 + security measure that prevents exploiting a class of kernel bugs.
108596 +
108597 + The tradeoff is that some virtualization solutions may experience
108598 + a huge slowdown and therefore you should not enable this feature
108599 + for kernels meant to run in such environments. Whether a given VM
108600 + solution is affected or not is best determined by simply trying it
108601 + out, the performance impact will be obvious right on boot as this
108602 + mechanism engages from very early on. A good rule of thumb is that
108603 + VMs running on CPUs without hardware virtualization support (i.e.,
108604 + the majority of IA-32 CPUs) will likely experience the slowdown.
108605 +
108606 + On X86_64 the kernel will make use of PCID support when available
108607 + (Intel's Westmere, Sandy Bridge, etc) for better security (default)
108608 + or performance impact. Pass pax_weakuderef on the kernel command
108609 + line to choose the latter.
108610 +
108611 +config PAX_REFCOUNT
108612 + bool "Prevent various kernel object reference counter overflows"
108613 + default y if GRKERNSEC_CONFIG_AUTO
108614 + depends on GRKERNSEC && ((ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || MIPS || PPC || SPARC64 || X86)
108615 + help
108616 + By saying Y here the kernel will detect and prevent overflowing
108617 + various (but not all) kinds of object reference counters. Such
108618 + overflows can normally occur due to bugs only and are often, if
108619 + not always, exploitable.
108620 +
108621 + The tradeoff is that data structures protected by an overflowed
108622 + refcount will never be freed and therefore will leak memory. Note
108623 + that this leak also happens even without this protection but in
108624 + that case the overflow can eventually trigger the freeing of the
108625 + data structure while it is still being used elsewhere, resulting
108626 + in the exploitable situation that this feature prevents.
108627 +
108628 + Since this has a negligible performance impact, you should enable
108629 + this feature.
108630 +
108631 +config PAX_CONSTIFY_PLUGIN
108632 + bool "Automatically constify eligible structures"
108633 + default y
108634 + depends on !UML && PAX_KERNEXEC
108635 + help
108636 + By saying Y here the compiler will automatically constify a class
108637 + of types that contain only function pointers. This reduces the
108638 + kernel's attack surface and also produces a better memory layout.
108639 +
108640 + Note that the implementation requires a gcc with plugin support,
108641 + i.e., gcc 4.5 or newer. You may need to install the supporting
108642 + headers explicitly in addition to the normal gcc package.
108643 +
108644 + Note that if some code really has to modify constified variables
108645 + then the source code will have to be patched to allow it. Examples
108646 + can be found in PaX itself (the no_const attribute) and for some
108647 + out-of-tree modules at http://www.grsecurity.net/~paxguy1/ .
108648 +
108649 +config PAX_USERCOPY
108650 + bool "Harden heap object copies between kernel and userland"
108651 + default y if GRKERNSEC_CONFIG_AUTO
108652 + depends on ARM || IA64 || PPC || SPARC || X86
108653 + depends on GRKERNSEC && (SLAB || SLUB || SLOB)
108654 + select PAX_USERCOPY_SLABS
108655 + help
108656 + By saying Y here the kernel will enforce the size of heap objects
108657 + when they are copied in either direction between the kernel and
108658 + userland, even if only a part of the heap object is copied.
108659 +
108660 + Specifically, this checking prevents information leaking from the
108661 + kernel heap during kernel to userland copies (if the kernel heap
108662 + object is otherwise fully initialized) and prevents kernel heap
108663 + overflows during userland to kernel copies.
108664 +
108665 + Note that the current implementation provides the strictest bounds
108666 + checks for the SLUB allocator.
108667 +
108668 + Enabling this option also enables per-slab cache protection against
108669 + data in a given cache being copied into/out of via userland
108670 + accessors. Though the whitelist of regions will be reduced over
108671 + time, it notably protects important data structures like task structs.
108672 +
108673 + If frame pointers are enabled on x86, this option will also restrict
108674 + copies into and out of the kernel stack to local variables within a
108675 + single frame.
108676 +
108677 + Since this has a negligible performance impact, you should enable
108678 + this feature.
108679 +
108680 +config PAX_USERCOPY_DEBUG
108681 + bool
108682 + depends on X86 && PAX_USERCOPY
108683 + default n
108684 +
108685 +config PAX_SIZE_OVERFLOW
108686 + bool "Prevent various integer overflows in function size parameters"
108687 + default y if GRKERNSEC_CONFIG_AUTO
108688 + depends on X86
108689 + help
108690 + By saying Y here the kernel recomputes expressions of function
108691 + arguments marked by a size_overflow attribute with double integer
108692 + precision (DImode/TImode for 32/64 bit integer types).
108693 +
108694 + The recomputed argument is checked against TYPE_MAX and an event
108695 + is logged on overflow and the triggering process is killed.
108696 +
108697 + Homepage: http://www.grsecurity.net/~ephox/overflow_plugin/
108698 +
108699 + Note that the implementation requires a gcc with plugin support,
108700 + i.e., gcc 4.5 or newer. You may need to install the supporting
108701 + headers explicitly in addition to the normal gcc package.
108702 +
108703 +config PAX_LATENT_ENTROPY
108704 + bool "Generate some entropy during boot and runtime"
108705 + default y if GRKERNSEC_CONFIG_AUTO
108706 + help
108707 + By saying Y here the kernel will instrument some kernel code to
108708 + extract some entropy from both original and artificially created
108709 + program state. This will help especially embedded systems where
108710 + there is little 'natural' source of entropy normally. The cost
108711 + is some slowdown of the boot process and fork and irq processing.
108712 +
108713 + When pax_extra_latent_entropy is passed on the kernel command line,
108714 + entropy will be extracted from up to the first 4GB of RAM while the
108715 + runtime memory allocator is being initialized. This costs even more
108716 + slowdown of the boot process.
108717 +
108718 + Note that the implementation requires a gcc with plugin support,
108719 + i.e., gcc 4.5 or newer. You may need to install the supporting
108720 + headers explicitly in addition to the normal gcc package.
108721 +
108722 + Note that entropy extracted this way is not cryptographically
108723 + secure!
108724 +
108725 +endmenu
108726 +
108727 +endmenu
108728 +
108729 +source grsecurity/Kconfig
108730 +
108731 +endmenu
108732 +
108733 +endmenu
108734 +
108735 source security/keys/Kconfig
108736
108737 config SECURITY_DMESG_RESTRICT
108738 @@ -103,7 +1071,7 @@ config INTEL_TXT
108739 config LSM_MMAP_MIN_ADDR
108740 int "Low address space for LSM to protect from user allocation"
108741 depends on SECURITY && SECURITY_SELINUX
108742 - default 32768 if ARM || (ARM64 && COMPAT)
108743 + default 32768 if ALPHA || ARM || (ARM64 && COMPAT) || PARISC || SPARC32
108744 default 65536
108745 help
108746 This is the portion of low virtual memory which should be protected
108747 diff --git a/security/apparmor/file.c b/security/apparmor/file.c
108748 index fdaa50c..2761dcb 100644
108749 --- a/security/apparmor/file.c
108750 +++ b/security/apparmor/file.c
108751 @@ -348,8 +348,8 @@ static inline bool xindex_is_subset(u32 link, u32 target)
108752 int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry,
108753 struct path *new_dir, struct dentry *new_dentry)
108754 {
108755 - struct path link = { new_dir->mnt, new_dentry };
108756 - struct path target = { new_dir->mnt, old_dentry };
108757 + struct path link = { .mnt = new_dir->mnt, .dentry = new_dentry };
108758 + struct path target = { .mnt = new_dir->mnt, .dentry = old_dentry };
108759 struct path_cond cond = {
108760 old_dentry->d_inode->i_uid,
108761 old_dentry->d_inode->i_mode
108762 diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
108763 index 65ca451..ad6f22d 100644
108764 --- a/security/apparmor/lsm.c
108765 +++ b/security/apparmor/lsm.c
108766 @@ -186,7 +186,7 @@ static int common_perm_dir_dentry(int op, struct path *dir,
108767 struct dentry *dentry, u32 mask,
108768 struct path_cond *cond)
108769 {
108770 - struct path path = { dir->mnt, dentry };
108771 + struct path path = { .mnt = dir->mnt, .dentry = dentry };
108772
108773 return common_perm(op, &path, mask, cond);
108774 }
108775 @@ -203,7 +203,7 @@ static int common_perm_dir_dentry(int op, struct path *dir,
108776 static int common_perm_mnt_dentry(int op, struct vfsmount *mnt,
108777 struct dentry *dentry, u32 mask)
108778 {
108779 - struct path path = { mnt, dentry };
108780 + struct path path = { .mnt = mnt, .dentry = dentry };
108781 struct path_cond cond = { dentry->d_inode->i_uid,
108782 dentry->d_inode->i_mode
108783 };
108784 @@ -325,8 +325,8 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry,
108785
108786 profile = aa_current_profile();
108787 if (!unconfined(profile)) {
108788 - struct path old_path = { old_dir->mnt, old_dentry };
108789 - struct path new_path = { new_dir->mnt, new_dentry };
108790 + struct path old_path = { .mnt = old_dir->mnt, .dentry = old_dentry };
108791 + struct path new_path = { .mnt = new_dir->mnt, .dentry = new_dentry };
108792 struct path_cond cond = { old_dentry->d_inode->i_uid,
108793 old_dentry->d_inode->i_mode
108794 };
108795 @@ -615,7 +615,7 @@ static int apparmor_task_setrlimit(struct task_struct *task,
108796 return error;
108797 }
108798
108799 -static struct security_operations apparmor_ops = {
108800 +static struct security_operations apparmor_ops __read_only = {
108801 .name = "apparmor",
108802
108803 .ptrace_access_check = apparmor_ptrace_access_check,
108804 diff --git a/security/commoncap.c b/security/commoncap.c
108805 index bab0611..f9a0ff5 100644
108806 --- a/security/commoncap.c
108807 +++ b/security/commoncap.c
108808 @@ -427,6 +427,32 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
108809 return 0;
108810 }
108811
108812 +/* returns:
108813 + 1 for suid privilege
108814 + 2 for sgid privilege
108815 + 3 for fscap privilege
108816 +*/
108817 +int is_privileged_binary(const struct dentry *dentry)
108818 +{
108819 + struct cpu_vfs_cap_data capdata;
108820 + struct inode *inode = dentry->d_inode;
108821 +
108822 + if (!inode || S_ISDIR(inode->i_mode))
108823 + return 0;
108824 +
108825 + if (inode->i_mode & S_ISUID)
108826 + return 1;
108827 + if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))
108828 + return 2;
108829 +
108830 + if (!get_vfs_caps_from_disk(dentry, &capdata)) {
108831 + if (!cap_isclear(capdata.inheritable) || !cap_isclear(capdata.permitted))
108832 + return 3;
108833 + }
108834 +
108835 + return 0;
108836 +}
108837 +
108838 /*
108839 * Attempt to get the on-exec apply capability sets for an executable file from
108840 * its xattrs and, if present, apply them to the proposed credentials being
108841 @@ -595,6 +621,9 @@ int cap_bprm_secureexec(struct linux_binprm *bprm)
108842 const struct cred *cred = current_cred();
108843 kuid_t root_uid = make_kuid(cred->user_ns, 0);
108844
108845 + if (gr_acl_enable_at_secure())
108846 + return 1;
108847 +
108848 if (!uid_eq(cred->uid, root_uid)) {
108849 if (bprm->cap_effective)
108850 return 1;
108851 diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
108852 index 8ee997d..24c174b 100644
108853 --- a/security/integrity/ima/ima.h
108854 +++ b/security/integrity/ima/ima.h
108855 @@ -116,8 +116,8 @@ int ima_init_template(void);
108856 extern spinlock_t ima_queue_lock;
108857
108858 struct ima_h_table {
108859 - atomic_long_t len; /* number of stored measurements in the list */
108860 - atomic_long_t violations;
108861 + atomic_long_unchecked_t len; /* number of stored measurements in the list */
108862 + atomic_long_unchecked_t violations;
108863 struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE];
108864 };
108865 extern struct ima_h_table ima_htable;
108866 diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
108867 index 8688597..9fa80d2 100644
108868 --- a/security/integrity/ima/ima_api.c
108869 +++ b/security/integrity/ima/ima_api.c
108870 @@ -137,7 +137,7 @@ void ima_add_violation(struct file *file, const unsigned char *filename,
108871 int result;
108872
108873 /* can overflow, only indicator */
108874 - atomic_long_inc(&ima_htable.violations);
108875 + atomic_long_inc_unchecked(&ima_htable.violations);
108876
108877 result = ima_alloc_init_template(NULL, file, filename,
108878 NULL, 0, &entry);
108879 diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
108880 index da92fcc..8a5d390 100644
108881 --- a/security/integrity/ima/ima_fs.c
108882 +++ b/security/integrity/ima/ima_fs.c
108883 @@ -28,12 +28,12 @@
108884 static int valid_policy = 1;
108885 #define TMPBUFLEN 12
108886 static ssize_t ima_show_htable_value(char __user *buf, size_t count,
108887 - loff_t *ppos, atomic_long_t *val)
108888 + loff_t *ppos, atomic_long_unchecked_t *val)
108889 {
108890 char tmpbuf[TMPBUFLEN];
108891 ssize_t len;
108892
108893 - len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val));
108894 + len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val));
108895 return simple_read_from_buffer(buf, count, ppos, tmpbuf, len);
108896 }
108897
108898 diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c
108899 index 552705d..9920f4fb 100644
108900 --- a/security/integrity/ima/ima_queue.c
108901 +++ b/security/integrity/ima/ima_queue.c
108902 @@ -83,7 +83,7 @@ static int ima_add_digest_entry(struct ima_template_entry *entry)
108903 INIT_LIST_HEAD(&qe->later);
108904 list_add_tail_rcu(&qe->later, &ima_measurements);
108905
108906 - atomic_long_inc(&ima_htable.len);
108907 + atomic_long_inc_unchecked(&ima_htable.len);
108908 key = ima_hash_key(entry->digest);
108909 hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]);
108910 return 0;
108911 diff --git a/security/keys/compat.c b/security/keys/compat.c
108912 index 3478965..ec7bb9e 100644
108913 --- a/security/keys/compat.c
108914 +++ b/security/keys/compat.c
108915 @@ -44,7 +44,7 @@ static long compat_keyctl_instantiate_key_iov(
108916 if (ret == 0)
108917 goto no_payload_free;
108918
108919 - ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
108920 + ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
108921 err:
108922 if (iov != iovstack)
108923 kfree(iov);
108924 diff --git a/security/keys/internal.h b/security/keys/internal.h
108925 index 200e378..cdc74b5 100644
108926 --- a/security/keys/internal.h
108927 +++ b/security/keys/internal.h
108928 @@ -244,7 +244,7 @@ extern long keyctl_instantiate_key_iov(key_serial_t,
108929 extern long keyctl_invalidate_key(key_serial_t);
108930
108931 extern long keyctl_instantiate_key_common(key_serial_t,
108932 - const struct iovec *,
108933 + const struct iovec __user *,
108934 unsigned, size_t, key_serial_t);
108935 #ifdef CONFIG_PERSISTENT_KEYRINGS
108936 extern long keyctl_get_persistent(uid_t, key_serial_t);
108937 diff --git a/security/keys/key.c b/security/keys/key.c
108938 index e17ba6a..2cc04a6 100644
108939 --- a/security/keys/key.c
108940 +++ b/security/keys/key.c
108941 @@ -285,7 +285,7 @@ struct key *key_alloc(struct key_type *type, const char *desc,
108942
108943 atomic_set(&key->usage, 1);
108944 init_rwsem(&key->sem);
108945 - lockdep_set_class(&key->sem, &type->lock_class);
108946 + lockdep_set_class(&key->sem, (struct lock_class_key *)&type->lock_class);
108947 key->index_key.type = type;
108948 key->user = user;
108949 key->quotalen = quotalen;
108950 @@ -1075,7 +1075,9 @@ int register_key_type(struct key_type *ktype)
108951 struct key_type *p;
108952 int ret;
108953
108954 - memset(&ktype->lock_class, 0, sizeof(ktype->lock_class));
108955 + pax_open_kernel();
108956 + memset((void *)&ktype->lock_class, 0, sizeof(ktype->lock_class));
108957 + pax_close_kernel();
108958
108959 ret = -EEXIST;
108960 down_write(&key_types_sem);
108961 @@ -1087,7 +1089,7 @@ int register_key_type(struct key_type *ktype)
108962 }
108963
108964 /* store the type */
108965 - list_add(&ktype->link, &key_types_list);
108966 + pax_list_add((struct list_head *)&ktype->link, &key_types_list);
108967
108968 pr_notice("Key type %s registered\n", ktype->name);
108969 ret = 0;
108970 @@ -1109,7 +1111,7 @@ EXPORT_SYMBOL(register_key_type);
108971 void unregister_key_type(struct key_type *ktype)
108972 {
108973 down_write(&key_types_sem);
108974 - list_del_init(&ktype->link);
108975 + pax_list_del_init((struct list_head *)&ktype->link);
108976 downgrade_write(&key_types_sem);
108977 key_gc_keytype(ktype);
108978 pr_notice("Key type %s unregistered\n", ktype->name);
108979 @@ -1127,10 +1129,10 @@ void __init key_init(void)
108980 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
108981
108982 /* add the special key types */
108983 - list_add_tail(&key_type_keyring.link, &key_types_list);
108984 - list_add_tail(&key_type_dead.link, &key_types_list);
108985 - list_add_tail(&key_type_user.link, &key_types_list);
108986 - list_add_tail(&key_type_logon.link, &key_types_list);
108987 + pax_list_add_tail((struct list_head *)&key_type_keyring.link, &key_types_list);
108988 + pax_list_add_tail((struct list_head *)&key_type_dead.link, &key_types_list);
108989 + pax_list_add_tail((struct list_head *)&key_type_user.link, &key_types_list);
108990 + pax_list_add_tail((struct list_head *)&key_type_logon.link, &key_types_list);
108991
108992 /* record the root user tracking */
108993 rb_link_node(&root_key_user.node,
108994 diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
108995 index 4743d71..170a185 100644
108996 --- a/security/keys/keyctl.c
108997 +++ b/security/keys/keyctl.c
108998 @@ -1000,7 +1000,7 @@ static int keyctl_change_reqkey_auth(struct key *key)
108999 /*
109000 * Copy the iovec data from userspace
109001 */
109002 -static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
109003 +static long copy_from_user_iovec(void *buffer, const struct iovec __user *iov,
109004 unsigned ioc)
109005 {
109006 for (; ioc > 0; ioc--) {
109007 @@ -1022,7 +1022,7 @@ static long copy_from_user_iovec(void *buffer, const struct iovec *iov,
109008 * If successful, 0 will be returned.
109009 */
109010 long keyctl_instantiate_key_common(key_serial_t id,
109011 - const struct iovec *payload_iov,
109012 + const struct iovec __user *payload_iov,
109013 unsigned ioc,
109014 size_t plen,
109015 key_serial_t ringid)
109016 @@ -1117,7 +1117,7 @@ long keyctl_instantiate_key(key_serial_t id,
109017 [0].iov_len = plen
109018 };
109019
109020 - return keyctl_instantiate_key_common(id, iov, 1, plen, ringid);
109021 + return keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, 1, plen, ringid);
109022 }
109023
109024 return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid);
109025 @@ -1150,7 +1150,7 @@ long keyctl_instantiate_key_iov(key_serial_t id,
109026 if (ret == 0)
109027 goto no_payload_free;
109028
109029 - ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
109030 + ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid);
109031 err:
109032 if (iov != iovstack)
109033 kfree(iov);
109034 diff --git a/security/min_addr.c b/security/min_addr.c
109035 index f728728..6457a0c 100644
109036 --- a/security/min_addr.c
109037 +++ b/security/min_addr.c
109038 @@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
109039 */
109040 static void update_mmap_min_addr(void)
109041 {
109042 +#ifndef SPARC
109043 #ifdef CONFIG_LSM_MMAP_MIN_ADDR
109044 if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR)
109045 mmap_min_addr = dac_mmap_min_addr;
109046 @@ -22,6 +23,7 @@ static void update_mmap_min_addr(void)
109047 #else
109048 mmap_min_addr = dac_mmap_min_addr;
109049 #endif
109050 +#endif
109051 }
109052
109053 /*
109054 diff --git a/security/security.c b/security/security.c
109055 index 18b35c6..c9fbc92 100644
109056 --- a/security/security.c
109057 +++ b/security/security.c
109058 @@ -33,8 +33,8 @@
109059 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
109060 CONFIG_DEFAULT_SECURITY;
109061
109062 -static struct security_operations *security_ops;
109063 -static struct security_operations default_security_ops = {
109064 +struct security_operations *security_ops __read_only;
109065 +struct security_operations default_security_ops __read_only = {
109066 .name = "default",
109067 };
109068
109069 @@ -73,11 +73,6 @@ int __init security_init(void)
109070 return 0;
109071 }
109072
109073 -void reset_security_ops(void)
109074 -{
109075 - security_ops = &default_security_ops;
109076 -}
109077 -
109078 /* Save user chosen LSM */
109079 static int __init choose_lsm(char *str)
109080 {
109081 diff --git a/security/selinux/avc.c b/security/selinux/avc.c
109082 index a18f1fa..c9b9fc4 100644
109083 --- a/security/selinux/avc.c
109084 +++ b/security/selinux/avc.c
109085 @@ -59,7 +59,7 @@ struct avc_node {
109086 struct avc_cache {
109087 struct hlist_head slots[AVC_CACHE_SLOTS]; /* head for avc_node->list */
109088 spinlock_t slots_lock[AVC_CACHE_SLOTS]; /* lock for writes */
109089 - atomic_t lru_hint; /* LRU hint for reclaim scan */
109090 + atomic_unchecked_t lru_hint; /* LRU hint for reclaim scan */
109091 atomic_t active_nodes;
109092 u32 latest_notif; /* latest revocation notification */
109093 };
109094 @@ -167,7 +167,7 @@ void __init avc_init(void)
109095 spin_lock_init(&avc_cache.slots_lock[i]);
109096 }
109097 atomic_set(&avc_cache.active_nodes, 0);
109098 - atomic_set(&avc_cache.lru_hint, 0);
109099 + atomic_set_unchecked(&avc_cache.lru_hint, 0);
109100
109101 avc_node_cachep = kmem_cache_create("avc_node", sizeof(struct avc_node),
109102 0, SLAB_PANIC, NULL);
109103 @@ -242,7 +242,7 @@ static inline int avc_reclaim_node(void)
109104 spinlock_t *lock;
109105
109106 for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) {
109107 - hvalue = atomic_inc_return(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1);
109108 + hvalue = atomic_inc_return_unchecked(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1);
109109 head = &avc_cache.slots[hvalue];
109110 lock = &avc_cache.slots_lock[hvalue];
109111
109112 diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
109113 index c603b20..8716ec9 100644
109114 --- a/security/selinux/hooks.c
109115 +++ b/security/selinux/hooks.c
109116 @@ -95,8 +95,6 @@
109117 #include "audit.h"
109118 #include "avc_ss.h"
109119
109120 -extern struct security_operations *security_ops;
109121 -
109122 /* SECMARK reference count */
109123 static atomic_t selinux_secmark_refcount = ATOMIC_INIT(0);
109124
109125 @@ -5809,7 +5807,7 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
109126
109127 #endif
109128
109129 -static struct security_operations selinux_ops = {
109130 +static struct security_operations selinux_ops __read_only = {
109131 .name = "selinux",
109132
109133 .ptrace_access_check = selinux_ptrace_access_check,
109134 @@ -6150,6 +6148,9 @@ static void selinux_nf_ip_exit(void)
109135 #ifdef CONFIG_SECURITY_SELINUX_DISABLE
109136 static int selinux_disabled;
109137
109138 +extern struct security_operations *security_ops;
109139 +extern struct security_operations default_security_ops;
109140 +
109141 int selinux_disable(void)
109142 {
109143 if (ss_initialized) {
109144 @@ -6167,7 +6168,9 @@ int selinux_disable(void)
109145 selinux_disabled = 1;
109146 selinux_enabled = 0;
109147
109148 - reset_security_ops();
109149 + pax_open_kernel();
109150 + security_ops = &default_security_ops;
109151 + pax_close_kernel();
109152
109153 /* Try to destroy the avc node cache */
109154 avc_disable();
109155 diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
109156 index 1450f85..a91e0bc 100644
109157 --- a/security/selinux/include/xfrm.h
109158 +++ b/security/selinux/include/xfrm.h
109159 @@ -48,7 +48,7 @@ static inline void selinux_xfrm_notify_policyload(void)
109160
109161 rtnl_lock();
109162 for_each_net(net) {
109163 - atomic_inc(&net->xfrm.flow_cache_genid);
109164 + atomic_inc_unchecked(&net->xfrm.flow_cache_genid);
109165 rt_genid_bump_all(net);
109166 }
109167 rtnl_unlock();
109168 diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
109169 index d515ec2..8a4ca71 100644
109170 --- a/security/smack/smack_lsm.c
109171 +++ b/security/smack/smack_lsm.c
109172 @@ -4079,7 +4079,7 @@ static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
109173 return 0;
109174 }
109175
109176 -struct security_operations smack_ops = {
109177 +struct security_operations smack_ops __read_only = {
109178 .name = "smack",
109179
109180 .ptrace_access_check = smack_ptrace_access_check,
109181 diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
109182 index 4003907..13a2b55 100644
109183 --- a/security/tomoyo/file.c
109184 +++ b/security/tomoyo/file.c
109185 @@ -692,7 +692,7 @@ int tomoyo_path_number_perm(const u8 type, struct path *path,
109186 {
109187 struct tomoyo_request_info r;
109188 struct tomoyo_obj_info obj = {
109189 - .path1 = *path,
109190 + .path1 = { .mnt = path->mnt, .dentry = path->dentry },
109191 };
109192 int error = -ENOMEM;
109193 struct tomoyo_path_info buf;
109194 @@ -740,7 +740,7 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
109195 struct tomoyo_path_info buf;
109196 struct tomoyo_request_info r;
109197 struct tomoyo_obj_info obj = {
109198 - .path1 = *path,
109199 + .path1 = { .mnt = path->mnt, .dentry = path->dentry },
109200 };
109201 int idx;
109202
109203 @@ -786,7 +786,7 @@ int tomoyo_path_perm(const u8 operation, struct path *path, const char *target)
109204 {
109205 struct tomoyo_request_info r;
109206 struct tomoyo_obj_info obj = {
109207 - .path1 = *path,
109208 + .path1 = { .mnt = path->mnt, .dentry = path->dentry },
109209 };
109210 int error;
109211 struct tomoyo_path_info buf;
109212 @@ -843,7 +843,7 @@ int tomoyo_mkdev_perm(const u8 operation, struct path *path,
109213 {
109214 struct tomoyo_request_info r;
109215 struct tomoyo_obj_info obj = {
109216 - .path1 = *path,
109217 + .path1 = { .mnt = path->mnt, .dentry = path->dentry },
109218 };
109219 int error = -ENOMEM;
109220 struct tomoyo_path_info buf;
109221 @@ -890,8 +890,8 @@ int tomoyo_path2_perm(const u8 operation, struct path *path1,
109222 struct tomoyo_path_info buf2;
109223 struct tomoyo_request_info r;
109224 struct tomoyo_obj_info obj = {
109225 - .path1 = *path1,
109226 - .path2 = *path2,
109227 + .path1 = { .mnt = path1->mnt, .dentry = path1->dentry },
109228 + .path2 = { .mnt = path2->mnt, .dentry = path2->dentry }
109229 };
109230 int idx;
109231
109232 diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
109233 index 390c646..f2f8db3 100644
109234 --- a/security/tomoyo/mount.c
109235 +++ b/security/tomoyo/mount.c
109236 @@ -118,6 +118,10 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r,
109237 type == tomoyo_mounts[TOMOYO_MOUNT_MOVE]) {
109238 need_dev = -1; /* dev_name is a directory */
109239 } else {
109240 + if (!capable(CAP_SYS_ADMIN)) {
109241 + error = -EPERM;
109242 + goto out;
109243 + }
109244 fstype = get_fs_type(type);
109245 if (!fstype) {
109246 error = -ENODEV;
109247 diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
109248 index f0b756e..8aa497b 100644
109249 --- a/security/tomoyo/tomoyo.c
109250 +++ b/security/tomoyo/tomoyo.c
109251 @@ -146,7 +146,7 @@ static int tomoyo_bprm_check_security(struct linux_binprm *bprm)
109252 */
109253 static int tomoyo_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
109254 {
109255 - struct path path = { mnt, dentry };
109256 + struct path path = { .mnt = mnt, .dentry = dentry };
109257 return tomoyo_path_perm(TOMOYO_TYPE_GETATTR, &path, NULL);
109258 }
109259
109260 @@ -172,7 +172,7 @@ static int tomoyo_path_truncate(struct path *path)
109261 */
109262 static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry)
109263 {
109264 - struct path path = { parent->mnt, dentry };
109265 + struct path path = { .mnt = parent->mnt, .dentry = dentry };
109266 return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path, NULL);
109267 }
109268
109269 @@ -188,7 +188,7 @@ static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry)
109270 static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry,
109271 umode_t mode)
109272 {
109273 - struct path path = { parent->mnt, dentry };
109274 + struct path path = { .mnt = parent->mnt, .dentry = dentry };
109275 return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path,
109276 mode & S_IALLUGO);
109277 }
109278 @@ -203,7 +203,7 @@ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry,
109279 */
109280 static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry)
109281 {
109282 - struct path path = { parent->mnt, dentry };
109283 + struct path path = { .mnt = parent->mnt, .dentry = dentry };
109284 return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path, NULL);
109285 }
109286
109287 @@ -219,7 +219,7 @@ static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry)
109288 static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry,
109289 const char *old_name)
109290 {
109291 - struct path path = { parent->mnt, dentry };
109292 + struct path path = { .mnt = parent->mnt, .dentry = dentry };
109293 return tomoyo_path_perm(TOMOYO_TYPE_SYMLINK, &path, old_name);
109294 }
109295
109296 @@ -236,7 +236,7 @@ static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry,
109297 static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry,
109298 umode_t mode, unsigned int dev)
109299 {
109300 - struct path path = { parent->mnt, dentry };
109301 + struct path path = { .mnt = parent->mnt, .dentry = dentry };
109302 int type = TOMOYO_TYPE_CREATE;
109303 const unsigned int perm = mode & S_IALLUGO;
109304
109305 @@ -275,8 +275,8 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry,
109306 static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir,
109307 struct dentry *new_dentry)
109308 {
109309 - struct path path1 = { new_dir->mnt, old_dentry };
109310 - struct path path2 = { new_dir->mnt, new_dentry };
109311 + struct path path1 = { .mnt = new_dir->mnt, .dentry = old_dentry };
109312 + struct path path2 = { .mnt = new_dir->mnt, .dentry = new_dentry };
109313 return tomoyo_path2_perm(TOMOYO_TYPE_LINK, &path1, &path2);
109314 }
109315
109316 @@ -295,8 +295,8 @@ static int tomoyo_path_rename(struct path *old_parent,
109317 struct path *new_parent,
109318 struct dentry *new_dentry)
109319 {
109320 - struct path path1 = { old_parent->mnt, old_dentry };
109321 - struct path path2 = { new_parent->mnt, new_dentry };
109322 + struct path path1 = { .mnt = old_parent->mnt, .dentry = old_dentry };
109323 + struct path path2 = { .mnt = new_parent->mnt, .dentry = new_dentry };
109324 return tomoyo_path2_perm(TOMOYO_TYPE_RENAME, &path1, &path2);
109325 }
109326
109327 @@ -424,7 +424,7 @@ static int tomoyo_sb_mount(const char *dev_name, struct path *path,
109328 */
109329 static int tomoyo_sb_umount(struct vfsmount *mnt, int flags)
109330 {
109331 - struct path path = { mnt, mnt->mnt_root };
109332 + struct path path = { .mnt = mnt, .dentry = mnt->mnt_root };
109333 return tomoyo_path_perm(TOMOYO_TYPE_UMOUNT, &path, NULL);
109334 }
109335
109336 @@ -503,7 +503,7 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg,
109337 * tomoyo_security_ops is a "struct security_operations" which is used for
109338 * registering TOMOYO.
109339 */
109340 -static struct security_operations tomoyo_security_ops = {
109341 +static struct security_operations tomoyo_security_ops __read_only = {
109342 .name = "tomoyo",
109343 .cred_alloc_blank = tomoyo_cred_alloc_blank,
109344 .cred_prepare = tomoyo_cred_prepare,
109345 diff --git a/security/yama/Kconfig b/security/yama/Kconfig
109346 index 20ef514..4182bed 100644
109347 --- a/security/yama/Kconfig
109348 +++ b/security/yama/Kconfig
109349 @@ -1,6 +1,6 @@
109350 config SECURITY_YAMA
109351 bool "Yama support"
109352 - depends on SECURITY
109353 + depends on SECURITY && !GRKERNSEC
109354 select SECURITYFS
109355 select SECURITY_PATH
109356 default n
109357 diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
109358 index 13c88fbc..f8c115e 100644
109359 --- a/security/yama/yama_lsm.c
109360 +++ b/security/yama/yama_lsm.c
109361 @@ -365,7 +365,7 @@ int yama_ptrace_traceme(struct task_struct *parent)
109362 }
109363
109364 #ifndef CONFIG_SECURITY_YAMA_STACKED
109365 -static struct security_operations yama_ops = {
109366 +static struct security_operations yama_ops __read_only = {
109367 .name = "yama",
109368
109369 .ptrace_access_check = yama_ptrace_access_check,
109370 @@ -376,28 +376,24 @@ static struct security_operations yama_ops = {
109371 #endif
109372
109373 #ifdef CONFIG_SYSCTL
109374 +static int zero __read_only;
109375 +static int max_scope __read_only = YAMA_SCOPE_NO_ATTACH;
109376 +
109377 static int yama_dointvec_minmax(struct ctl_table *table, int write,
109378 void __user *buffer, size_t *lenp, loff_t *ppos)
109379 {
109380 - int rc;
109381 + ctl_table_no_const yama_table;
109382
109383 if (write && !capable(CAP_SYS_PTRACE))
109384 return -EPERM;
109385
109386 - rc = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
109387 - if (rc)
109388 - return rc;
109389 -
109390 + yama_table = *table;
109391 /* Lock the max value if it ever gets set. */
109392 - if (write && *(int *)table->data == *(int *)table->extra2)
109393 - table->extra1 = table->extra2;
109394 -
109395 - return rc;
109396 + if (ptrace_scope == max_scope)
109397 + yama_table.extra1 = &max_scope;
109398 + return proc_dointvec_minmax(&yama_table, write, buffer, lenp, ppos);
109399 }
109400
109401 -static int zero;
109402 -static int max_scope = YAMA_SCOPE_NO_ATTACH;
109403 -
109404 struct ctl_path yama_sysctl_path[] = {
109405 { .procname = "kernel", },
109406 { .procname = "yama", },
109407 diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
109408 index 401107b..b9c47c6 100644
109409 --- a/sound/aoa/codecs/onyx.c
109410 +++ b/sound/aoa/codecs/onyx.c
109411 @@ -54,7 +54,7 @@ struct onyx {
109412 spdif_locked:1,
109413 analog_locked:1,
109414 original_mute:2;
109415 - int open_count;
109416 + local_t open_count;
109417 struct codec_info *codec_info;
109418
109419 /* mutex serializes concurrent access to the device
109420 @@ -753,7 +753,7 @@ static int onyx_open(struct codec_info_item *cii,
109421 struct onyx *onyx = cii->codec_data;
109422
109423 mutex_lock(&onyx->mutex);
109424 - onyx->open_count++;
109425 + local_inc(&onyx->open_count);
109426 mutex_unlock(&onyx->mutex);
109427
109428 return 0;
109429 @@ -765,8 +765,7 @@ static int onyx_close(struct codec_info_item *cii,
109430 struct onyx *onyx = cii->codec_data;
109431
109432 mutex_lock(&onyx->mutex);
109433 - onyx->open_count--;
109434 - if (!onyx->open_count)
109435 + if (local_dec_and_test(&onyx->open_count))
109436 onyx->spdif_locked = onyx->analog_locked = 0;
109437 mutex_unlock(&onyx->mutex);
109438
109439 diff --git a/sound/aoa/codecs/onyx.h b/sound/aoa/codecs/onyx.h
109440 index ffd2025..df062c9 100644
109441 --- a/sound/aoa/codecs/onyx.h
109442 +++ b/sound/aoa/codecs/onyx.h
109443 @@ -11,6 +11,7 @@
109444 #include <linux/i2c.h>
109445 #include <asm/pmac_low_i2c.h>
109446 #include <asm/prom.h>
109447 +#include <asm/local.h>
109448
109449 /* PCM3052 register definitions */
109450
109451 diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
109452 index ada69d7..5f65386 100644
109453 --- a/sound/core/oss/pcm_oss.c
109454 +++ b/sound/core/oss/pcm_oss.c
109455 @@ -1190,10 +1190,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const
109456 if (in_kernel) {
109457 mm_segment_t fs;
109458 fs = snd_enter_user();
109459 - ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
109460 + ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
109461 snd_leave_user(fs);
109462 } else {
109463 - ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
109464 + ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames);
109465 }
109466 if (ret != -EPIPE && ret != -ESTRPIPE)
109467 break;
109468 @@ -1233,10 +1233,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p
109469 if (in_kernel) {
109470 mm_segment_t fs;
109471 fs = snd_enter_user();
109472 - ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
109473 + ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
109474 snd_leave_user(fs);
109475 } else {
109476 - ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
109477 + ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames);
109478 }
109479 if (ret == -EPIPE) {
109480 if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
109481 @@ -1332,7 +1332,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
109482 struct snd_pcm_plugin_channel *channels;
109483 size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
109484 if (!in_kernel) {
109485 - if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))
109486 + if (copy_from_user(runtime->oss.buffer, (const char __force_user *)buf, bytes))
109487 return -EFAULT;
109488 buf = runtime->oss.buffer;
109489 }
109490 @@ -1402,7 +1402,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
109491 }
109492 } else {
109493 tmp = snd_pcm_oss_write2(substream,
109494 - (const char __force *)buf,
109495 + (const char __force_kernel *)buf,
109496 runtime->oss.period_bytes, 0);
109497 if (tmp <= 0)
109498 goto err;
109499 @@ -1428,7 +1428,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
109500 struct snd_pcm_runtime *runtime = substream->runtime;
109501 snd_pcm_sframes_t frames, frames1;
109502 #ifdef CONFIG_SND_PCM_OSS_PLUGINS
109503 - char __user *final_dst = (char __force __user *)buf;
109504 + char __user *final_dst = (char __force_user *)buf;
109505 if (runtime->oss.plugin_first) {
109506 struct snd_pcm_plugin_channel *channels;
109507 size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8;
109508 @@ -1490,7 +1490,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
109509 xfer += tmp;
109510 runtime->oss.buffer_used -= tmp;
109511 } else {
109512 - tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
109513 + tmp = snd_pcm_oss_read2(substream, (char __force_kernel *)buf,
109514 runtime->oss.period_bytes, 0);
109515 if (tmp <= 0)
109516 goto err;
109517 @@ -1659,7 +1659,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
109518 size1);
109519 size1 /= runtime->channels; /* frames */
109520 fs = snd_enter_user();
109521 - snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1);
109522 + snd_pcm_lib_write(substream, (void __force_user *)runtime->oss.buffer, size1);
109523 snd_leave_user(fs);
109524 }
109525 } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
109526 diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
109527 index 2d957ba..fda022c 100644
109528 --- a/sound/core/pcm_compat.c
109529 +++ b/sound/core/pcm_compat.c
109530 @@ -31,7 +31,7 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
109531 int err;
109532
109533 fs = snd_enter_user();
109534 - err = snd_pcm_delay(substream, &delay);
109535 + err = snd_pcm_delay(substream, (snd_pcm_sframes_t __force_user *)&delay);
109536 snd_leave_user(fs);
109537 if (err < 0)
109538 return err;
109539 diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
109540 index 166d59c..89e3889 100644
109541 --- a/sound/core/pcm_native.c
109542 +++ b/sound/core/pcm_native.c
109543 @@ -2931,11 +2931,11 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
109544 switch (substream->stream) {
109545 case SNDRV_PCM_STREAM_PLAYBACK:
109546 result = snd_pcm_playback_ioctl1(NULL, substream, cmd,
109547 - (void __user *)arg);
109548 + (void __force_user *)arg);
109549 break;
109550 case SNDRV_PCM_STREAM_CAPTURE:
109551 result = snd_pcm_capture_ioctl1(NULL, substream, cmd,
109552 - (void __user *)arg);
109553 + (void __force_user *)arg);
109554 break;
109555 default:
109556 result = -EINVAL;
109557 diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
109558 index 16d4267..fe8b49b 100644
109559 --- a/sound/core/seq/oss/seq_oss.c
109560 +++ b/sound/core/seq/oss/seq_oss.c
109561 @@ -69,8 +69,8 @@ static int __init alsa_seq_oss_init(void)
109562 {
109563 int rc;
109564 static struct snd_seq_dev_ops ops = {
109565 - snd_seq_oss_synth_register,
109566 - snd_seq_oss_synth_unregister,
109567 + .init_device = snd_seq_oss_synth_register,
109568 + .free_device = snd_seq_oss_synth_unregister,
109569 };
109570
109571 snd_seq_autoload_lock();
109572 diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
109573 index 91a786a..4c07ed4 100644
109574 --- a/sound/core/seq/seq_device.c
109575 +++ b/sound/core/seq/seq_device.c
109576 @@ -64,7 +64,7 @@ struct ops_list {
109577 int argsize; /* argument size */
109578
109579 /* operators */
109580 - struct snd_seq_dev_ops ops;
109581 + struct snd_seq_dev_ops *ops;
109582
109583 /* registered devices */
109584 struct list_head dev_list; /* list of devices */
109585 @@ -333,7 +333,7 @@ int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry,
109586
109587 mutex_lock(&ops->reg_mutex);
109588 /* copy driver operators */
109589 - ops->ops = *entry;
109590 + ops->ops = entry;
109591 ops->driver |= DRIVER_LOADED;
109592 ops->argsize = argsize;
109593
109594 @@ -463,7 +463,7 @@ static int init_device(struct snd_seq_device *dev, struct ops_list *ops)
109595 dev->name, ops->id, ops->argsize, dev->argsize);
109596 return -EINVAL;
109597 }
109598 - if (ops->ops.init_device(dev) >= 0) {
109599 + if (ops->ops->init_device(dev) >= 0) {
109600 dev->status = SNDRV_SEQ_DEVICE_REGISTERED;
109601 ops->num_init_devices++;
109602 } else {
109603 @@ -490,7 +490,7 @@ static int free_device(struct snd_seq_device *dev, struct ops_list *ops)
109604 dev->name, ops->id, ops->argsize, dev->argsize);
109605 return -EINVAL;
109606 }
109607 - if ((result = ops->ops.free_device(dev)) >= 0 || result == -ENXIO) {
109608 + if ((result = ops->ops->free_device(dev)) >= 0 || result == -ENXIO) {
109609 dev->status = SNDRV_SEQ_DEVICE_FREE;
109610 dev->driver_data = NULL;
109611 ops->num_init_devices--;
109612 diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
109613 index a1fd77a..69cd659 100644
109614 --- a/sound/core/seq/seq_midi.c
109615 +++ b/sound/core/seq/seq_midi.c
109616 @@ -462,8 +462,8 @@ snd_seq_midisynth_unregister_port(struct snd_seq_device *dev)
109617 static int __init alsa_seq_midi_init(void)
109618 {
109619 static struct snd_seq_dev_ops ops = {
109620 - snd_seq_midisynth_register_port,
109621 - snd_seq_midisynth_unregister_port,
109622 + .init_device = snd_seq_midisynth_register_port,
109623 + .free_device = snd_seq_midisynth_unregister_port,
109624 };
109625 memset(&synths, 0, sizeof(synths));
109626 snd_seq_autoload_lock();
109627 diff --git a/sound/core/sound.c b/sound/core/sound.c
109628 index 38ad1a0..5010a40 100644
109629 --- a/sound/core/sound.c
109630 +++ b/sound/core/sound.c
109631 @@ -86,7 +86,7 @@ static void snd_request_other(int minor)
109632 case SNDRV_MINOR_TIMER: str = "snd-timer"; break;
109633 default: return;
109634 }
109635 - request_module(str);
109636 + request_module("%s", str);
109637 }
109638
109639 #endif /* modular kernel */
109640 diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
109641 index f5fd448..6ae276da 100644
109642 --- a/sound/drivers/mts64.c
109643 +++ b/sound/drivers/mts64.c
109644 @@ -29,6 +29,7 @@
109645 #include <sound/initval.h>
109646 #include <sound/rawmidi.h>
109647 #include <sound/control.h>
109648 +#include <asm/local.h>
109649
109650 #define CARD_NAME "Miditerminal 4140"
109651 #define DRIVER_NAME "MTS64"
109652 @@ -67,7 +68,7 @@ struct mts64 {
109653 struct pardevice *pardev;
109654 int pardev_claimed;
109655
109656 - int open_count;
109657 + local_t open_count;
109658 int current_midi_output_port;
109659 int current_midi_input_port;
109660 u8 mode[MTS64_NUM_INPUT_PORTS];
109661 @@ -697,7 +698,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
109662 {
109663 struct mts64 *mts = substream->rmidi->private_data;
109664
109665 - if (mts->open_count == 0) {
109666 + if (local_read(&mts->open_count) == 0) {
109667 /* We don't need a spinlock here, because this is just called
109668 if the device has not been opened before.
109669 So there aren't any IRQs from the device */
109670 @@ -705,7 +706,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream)
109671
109672 msleep(50);
109673 }
109674 - ++(mts->open_count);
109675 + local_inc(&mts->open_count);
109676
109677 return 0;
109678 }
109679 @@ -715,8 +716,7 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
109680 struct mts64 *mts = substream->rmidi->private_data;
109681 unsigned long flags;
109682
109683 - --(mts->open_count);
109684 - if (mts->open_count == 0) {
109685 + if (local_dec_return(&mts->open_count) == 0) {
109686 /* We need the spinlock_irqsave here because we can still
109687 have IRQs at this point */
109688 spin_lock_irqsave(&mts->lock, flags);
109689 @@ -725,8 +725,8 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream)
109690
109691 msleep(500);
109692
109693 - } else if (mts->open_count < 0)
109694 - mts->open_count = 0;
109695 + } else if (local_read(&mts->open_count) < 0)
109696 + local_set(&mts->open_count, 0);
109697
109698 return 0;
109699 }
109700 diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c
109701 index 6839953..7a0f4b9 100644
109702 --- a/sound/drivers/opl3/opl3_seq.c
109703 +++ b/sound/drivers/opl3/opl3_seq.c
109704 @@ -281,8 +281,8 @@ static int __init alsa_opl3_seq_init(void)
109705 {
109706 static struct snd_seq_dev_ops ops =
109707 {
109708 - snd_opl3_seq_new_device,
109709 - snd_opl3_seq_delete_device
109710 + .init_device = snd_opl3_seq_new_device,
109711 + .free_device = snd_opl3_seq_delete_device
109712 };
109713
109714 return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_OPL3, &ops,
109715 diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
109716 index b953fb4..1999c01 100644
109717 --- a/sound/drivers/opl4/opl4_lib.c
109718 +++ b/sound/drivers/opl4/opl4_lib.c
109719 @@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
109720 MODULE_DESCRIPTION("OPL4 driver");
109721 MODULE_LICENSE("GPL");
109722
109723 -static void inline snd_opl4_wait(struct snd_opl4 *opl4)
109724 +static inline void snd_opl4_wait(struct snd_opl4 *opl4)
109725 {
109726 int timeout = 10;
109727 while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0)
109728 diff --git a/sound/drivers/opl4/opl4_seq.c b/sound/drivers/opl4/opl4_seq.c
109729 index 9919769..d7de36c 100644
109730 --- a/sound/drivers/opl4/opl4_seq.c
109731 +++ b/sound/drivers/opl4/opl4_seq.c
109732 @@ -198,8 +198,8 @@ static int snd_opl4_seq_delete_device(struct snd_seq_device *dev)
109733 static int __init alsa_opl4_synth_init(void)
109734 {
109735 static struct snd_seq_dev_ops ops = {
109736 - snd_opl4_seq_new_device,
109737 - snd_opl4_seq_delete_device
109738 + .init_device = snd_opl4_seq_new_device,
109739 + .free_device = snd_opl4_seq_delete_device
109740 };
109741
109742 return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_OPL4, &ops,
109743 diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
109744 index 78ccfa4..7a0857b 100644
109745 --- a/sound/drivers/portman2x4.c
109746 +++ b/sound/drivers/portman2x4.c
109747 @@ -48,6 +48,7 @@
109748 #include <sound/initval.h>
109749 #include <sound/rawmidi.h>
109750 #include <sound/control.h>
109751 +#include <asm/local.h>
109752
109753 #define CARD_NAME "Portman 2x4"
109754 #define DRIVER_NAME "portman"
109755 @@ -85,7 +86,7 @@ struct portman {
109756 struct pardevice *pardev;
109757 int pardev_claimed;
109758
109759 - int open_count;
109760 + local_t open_count;
109761 int mode[PORTMAN_NUM_INPUT_PORTS];
109762 struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS];
109763 };
109764 diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c
109765 index 95fc2eaf..ea5d6a7 100644
109766 --- a/sound/firewire/amdtp.c
109767 +++ b/sound/firewire/amdtp.c
109768 @@ -521,7 +521,7 @@ static void update_pcm_pointers(struct amdtp_stream *s,
109769 ptr = s->pcm_buffer_pointer + frames;
109770 if (ptr >= pcm->runtime->buffer_size)
109771 ptr -= pcm->runtime->buffer_size;
109772 - ACCESS_ONCE(s->pcm_buffer_pointer) = ptr;
109773 + ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr;
109774
109775 s->pcm_period_pointer += frames;
109776 if (s->pcm_period_pointer >= pcm->runtime->period_size) {
109777 @@ -961,7 +961,7 @@ EXPORT_SYMBOL(amdtp_stream_pcm_pointer);
109778 */
109779 void amdtp_stream_update(struct amdtp_stream *s)
109780 {
109781 - ACCESS_ONCE(s->source_node_id_field) =
109782 + ACCESS_ONCE_RW(s->source_node_id_field) =
109783 (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24;
109784 }
109785 EXPORT_SYMBOL(amdtp_stream_update);
109786 diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
109787 index 4823c08..47a5f7c 100644
109788 --- a/sound/firewire/amdtp.h
109789 +++ b/sound/firewire/amdtp.h
109790 @@ -212,7 +212,7 @@ static inline bool amdtp_stream_pcm_running(struct amdtp_stream *s)
109791 static inline void amdtp_stream_pcm_trigger(struct amdtp_stream *s,
109792 struct snd_pcm_substream *pcm)
109793 {
109794 - ACCESS_ONCE(s->pcm) = pcm;
109795 + ACCESS_ONCE_RW(s->pcm) = pcm;
109796 }
109797
109798 /**
109799 @@ -230,7 +230,7 @@ static inline void amdtp_stream_midi_trigger(struct amdtp_stream *s,
109800 struct snd_rawmidi_substream *midi)
109801 {
109802 if (port < s->midi_ports)
109803 - ACCESS_ONCE(s->midi[port]) = midi;
109804 + ACCESS_ONCE_RW(s->midi[port]) = midi;
109805 }
109806
109807 static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc)
109808 diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
109809 index 7ac9443..0ec6274 100644
109810 --- a/sound/firewire/isight.c
109811 +++ b/sound/firewire/isight.c
109812 @@ -96,7 +96,7 @@ static void isight_update_pointers(struct isight *isight, unsigned int count)
109813 ptr += count;
109814 if (ptr >= runtime->buffer_size)
109815 ptr -= runtime->buffer_size;
109816 - ACCESS_ONCE(isight->buffer_pointer) = ptr;
109817 + ACCESS_ONCE_RW(isight->buffer_pointer) = ptr;
109818
109819 isight->period_counter += count;
109820 if (isight->period_counter >= runtime->period_size) {
109821 @@ -299,7 +299,7 @@ static int isight_hw_params(struct snd_pcm_substream *substream,
109822 if (err < 0)
109823 return err;
109824
109825 - ACCESS_ONCE(isight->pcm_active) = true;
109826 + ACCESS_ONCE_RW(isight->pcm_active) = true;
109827
109828 return 0;
109829 }
109830 @@ -337,7 +337,7 @@ static int isight_hw_free(struct snd_pcm_substream *substream)
109831 {
109832 struct isight *isight = substream->private_data;
109833
109834 - ACCESS_ONCE(isight->pcm_active) = false;
109835 + ACCESS_ONCE_RW(isight->pcm_active) = false;
109836
109837 mutex_lock(&isight->mutex);
109838 isight_stop_streaming(isight);
109839 @@ -430,10 +430,10 @@ static int isight_trigger(struct snd_pcm_substream *substream, int cmd)
109840
109841 switch (cmd) {
109842 case SNDRV_PCM_TRIGGER_START:
109843 - ACCESS_ONCE(isight->pcm_running) = true;
109844 + ACCESS_ONCE_RW(isight->pcm_running) = true;
109845 break;
109846 case SNDRV_PCM_TRIGGER_STOP:
109847 - ACCESS_ONCE(isight->pcm_running) = false;
109848 + ACCESS_ONCE_RW(isight->pcm_running) = false;
109849 break;
109850 default:
109851 return -EINVAL;
109852 diff --git a/sound/firewire/scs1x.c b/sound/firewire/scs1x.c
109853 index 2dba848..c682aef 100644
109854 --- a/sound/firewire/scs1x.c
109855 +++ b/sound/firewire/scs1x.c
109856 @@ -74,7 +74,7 @@ static void scs_output_trigger(struct snd_rawmidi_substream *stream, int up)
109857 {
109858 struct scs *scs = stream->rmidi->private_data;
109859
109860 - ACCESS_ONCE(scs->output) = up ? stream : NULL;
109861 + ACCESS_ONCE_RW(scs->output) = up ? stream : NULL;
109862 if (up) {
109863 scs->output_idle = false;
109864 tasklet_schedule(&scs->tasklet);
109865 @@ -257,7 +257,7 @@ static void scs_input_trigger(struct snd_rawmidi_substream *stream, int up)
109866 {
109867 struct scs *scs = stream->rmidi->private_data;
109868
109869 - ACCESS_ONCE(scs->input) = up ? stream : NULL;
109870 + ACCESS_ONCE_RW(scs->input) = up ? stream : NULL;
109871 }
109872
109873 static void scs_input_escaped_byte(struct snd_rawmidi_substream *stream,
109874 @@ -473,8 +473,8 @@ static void scs_remove(struct fw_unit *unit)
109875
109876 snd_card_disconnect(scs->card);
109877
109878 - ACCESS_ONCE(scs->output) = NULL;
109879 - ACCESS_ONCE(scs->input) = NULL;
109880 + ACCESS_ONCE_RW(scs->output) = NULL;
109881 + ACCESS_ONCE_RW(scs->input) = NULL;
109882
109883 wait_event(scs->idle_wait, scs->output_idle);
109884
109885 diff --git a/sound/isa/sb/emu8000_synth.c b/sound/isa/sb/emu8000_synth.c
109886 index 4e3fcfb..ab45a9d 100644
109887 --- a/sound/isa/sb/emu8000_synth.c
109888 +++ b/sound/isa/sb/emu8000_synth.c
109889 @@ -120,8 +120,8 @@ static int __init alsa_emu8000_init(void)
109890 {
109891
109892 static struct snd_seq_dev_ops ops = {
109893 - snd_emu8000_new_device,
109894 - snd_emu8000_delete_device,
109895 + .init_device = snd_emu8000_new_device,
109896 + .free_device = snd_emu8000_delete_device,
109897 };
109898 return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops,
109899 sizeof(struct snd_emu8000*));
109900 diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c
109901 index 048439a..3be9f6f 100644
109902 --- a/sound/oss/sb_audio.c
109903 +++ b/sound/oss/sb_audio.c
109904 @@ -904,7 +904,7 @@ sb16_copy_from_user(int dev,
109905 buf16 = (signed short *)(localbuf + localoffs);
109906 while (c)
109907 {
109908 - locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
109909 + locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c);
109910 if (copy_from_user(lbuf8,
109911 userbuf+useroffs + p,
109912 locallen))
109913 diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
109914 index a33e8ce..2262303 100644
109915 --- a/sound/oss/swarm_cs4297a.c
109916 +++ b/sound/oss/swarm_cs4297a.c
109917 @@ -2623,7 +2623,6 @@ static int __init cs4297a_init(void)
109918 {
109919 struct cs4297a_state *s;
109920 u32 pwr, id;
109921 - mm_segment_t fs;
109922 int rval;
109923 u64 cfg;
109924 int mdio_val;
109925 @@ -2709,22 +2708,23 @@ static int __init cs4297a_init(void)
109926 if (!rval) {
109927 char *sb1250_duart_present;
109928
109929 +#if 0
109930 + mm_segment_t fs;
109931 fs = get_fs();
109932 set_fs(KERNEL_DS);
109933 -#if 0
109934 val = SOUND_MASK_LINE;
109935 mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val);
109936 for (i = 0; i < ARRAY_SIZE(initvol); i++) {
109937 val = initvol[i].vol;
109938 mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val);
109939 }
109940 + set_fs(fs);
109941 // cs4297a_write_ac97(s, 0x18, 0x0808);
109942 #else
109943 // cs4297a_write_ac97(s, 0x5e, 0x180);
109944 cs4297a_write_ac97(s, 0x02, 0x0808);
109945 cs4297a_write_ac97(s, 0x18, 0x0808);
109946 #endif
109947 - set_fs(fs);
109948
109949 list_add(&s->list, &cs4297a_devs);
109950
109951 diff --git a/sound/pci/emu10k1/emu10k1_synth.c b/sound/pci/emu10k1/emu10k1_synth.c
109952 index 4c41c90..37f3631 100644
109953 --- a/sound/pci/emu10k1/emu10k1_synth.c
109954 +++ b/sound/pci/emu10k1/emu10k1_synth.c
109955 @@ -108,8 +108,8 @@ static int __init alsa_emu10k1_synth_init(void)
109956 {
109957
109958 static struct snd_seq_dev_ops ops = {
109959 - snd_emu10k1_synth_new_device,
109960 - snd_emu10k1_synth_delete_device,
109961 + .init_device = snd_emu10k1_synth_new_device,
109962 + .free_device = snd_emu10k1_synth_delete_device,
109963 };
109964 return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH, &ops,
109965 sizeof(struct snd_emu10k1_synth_arg));
109966 diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
109967 index e708368..764dffe 100644
109968 --- a/sound/pci/hda/hda_codec.c
109969 +++ b/sound/pci/hda/hda_codec.c
109970 @@ -968,14 +968,10 @@ find_codec_preset(struct hda_codec *codec)
109971 mutex_unlock(&preset_mutex);
109972
109973 if (mod_requested < HDA_MODREQ_MAX_COUNT) {
109974 - char name[32];
109975 if (!mod_requested)
109976 - snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
109977 - codec->vendor_id);
109978 + request_module("snd-hda-codec-id:%08x", codec->vendor_id);
109979 else
109980 - snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
109981 - (codec->vendor_id >> 16) & 0xffff);
109982 - request_module(name);
109983 + request_module("snd-hda-codec-id:%04x*", (codec->vendor_id >> 16) & 0xffff);
109984 mod_requested++;
109985 goto again;
109986 }
109987 @@ -2802,7 +2798,7 @@ static int get_kctl_0dB_offset(struct hda_codec *codec,
109988 /* FIXME: set_fs() hack for obtaining user-space TLV data */
109989 mm_segment_t fs = get_fs();
109990 set_fs(get_ds());
109991 - if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv))
109992 + if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), (unsigned int __force_user *)_tlv))
109993 tlv = _tlv;
109994 set_fs(fs);
109995 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
109996 diff --git a/sound/pci/ymfpci/ymfpci.h b/sound/pci/ymfpci/ymfpci.h
109997 index 4631a23..001ae57 100644
109998 --- a/sound/pci/ymfpci/ymfpci.h
109999 +++ b/sound/pci/ymfpci/ymfpci.h
110000 @@ -358,7 +358,7 @@ struct snd_ymfpci {
110001 spinlock_t reg_lock;
110002 spinlock_t voice_lock;
110003 wait_queue_head_t interrupt_sleep;
110004 - atomic_t interrupt_sleep_count;
110005 + atomic_unchecked_t interrupt_sleep_count;
110006 struct snd_info_entry *proc_entry;
110007 const struct firmware *dsp_microcode;
110008 const struct firmware *controller_microcode;
110009 diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
110010 index 81c916a..516f0bf 100644
110011 --- a/sound/pci/ymfpci/ymfpci_main.c
110012 +++ b/sound/pci/ymfpci/ymfpci_main.c
110013 @@ -204,8 +204,8 @@ static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
110014 if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
110015 break;
110016 }
110017 - if (atomic_read(&chip->interrupt_sleep_count)) {
110018 - atomic_set(&chip->interrupt_sleep_count, 0);
110019 + if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
110020 + atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
110021 wake_up(&chip->interrupt_sleep);
110022 }
110023 __end:
110024 @@ -789,7 +789,7 @@ static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
110025 continue;
110026 init_waitqueue_entry(&wait, current);
110027 add_wait_queue(&chip->interrupt_sleep, &wait);
110028 - atomic_inc(&chip->interrupt_sleep_count);
110029 + atomic_inc_unchecked(&chip->interrupt_sleep_count);
110030 schedule_timeout_uninterruptible(msecs_to_jiffies(50));
110031 remove_wait_queue(&chip->interrupt_sleep, &wait);
110032 }
110033 @@ -827,8 +827,8 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
110034 snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
110035 spin_unlock(&chip->reg_lock);
110036
110037 - if (atomic_read(&chip->interrupt_sleep_count)) {
110038 - atomic_set(&chip->interrupt_sleep_count, 0);
110039 + if (atomic_read_unchecked(&chip->interrupt_sleep_count)) {
110040 + atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
110041 wake_up(&chip->interrupt_sleep);
110042 }
110043 }
110044 @@ -2423,7 +2423,7 @@ int snd_ymfpci_create(struct snd_card *card,
110045 spin_lock_init(&chip->reg_lock);
110046 spin_lock_init(&chip->voice_lock);
110047 init_waitqueue_head(&chip->interrupt_sleep);
110048 - atomic_set(&chip->interrupt_sleep_count, 0);
110049 + atomic_set_unchecked(&chip->interrupt_sleep_count, 0);
110050 chip->card = card;
110051 chip->pci = pci;
110052 chip->irq = -1;
110053 diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
110054 index b60ff56..7307f0f 100644
110055 --- a/sound/soc/soc-core.c
110056 +++ b/sound/soc/soc-core.c
110057 @@ -2132,8 +2132,10 @@ int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
110058 if (ret)
110059 return ret;
110060
110061 - ops->warm_reset = snd_soc_ac97_warm_reset;
110062 - ops->reset = snd_soc_ac97_reset;
110063 + pax_open_kernel();
110064 + *(void **)&ops->warm_reset = snd_soc_ac97_warm_reset;
110065 + *(void **)&ops->reset = snd_soc_ac97_reset;
110066 + pax_close_kernel();
110067
110068 snd_ac97_rst_cfg = cfg;
110069 return 0;
110070 diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c
110071 index 7778b8e..3d619fc 100644
110072 --- a/sound/synth/emux/emux_seq.c
110073 +++ b/sound/synth/emux/emux_seq.c
110074 @@ -33,13 +33,13 @@ static int snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *inf
110075 * MIDI emulation operators
110076 */
110077 static struct snd_midi_op emux_ops = {
110078 - snd_emux_note_on,
110079 - snd_emux_note_off,
110080 - snd_emux_key_press,
110081 - snd_emux_terminate_note,
110082 - snd_emux_control,
110083 - snd_emux_nrpn,
110084 - snd_emux_sysex,
110085 + .note_on = snd_emux_note_on,
110086 + .note_off = snd_emux_note_off,
110087 + .key_press = snd_emux_key_press,
110088 + .note_terminate = snd_emux_terminate_note,
110089 + .control = snd_emux_control,
110090 + .nrpn = snd_emux_nrpn,
110091 + .sysex = snd_emux_sysex,
110092 };
110093
110094
110095 diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore
110096 new file mode 100644
110097 index 0000000..de92ed9
110098 --- /dev/null
110099 +++ b/tools/gcc/.gitignore
110100 @@ -0,0 +1 @@
110101 +randomize_layout_seed.h
110102 diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile
110103 new file mode 100644
110104 index 0000000..7b8921f
110105 --- /dev/null
110106 +++ b/tools/gcc/Makefile
110107 @@ -0,0 +1,52 @@
110108 +#CC := gcc
110109 +#PLUGIN_SOURCE_FILES := pax_plugin.c
110110 +#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES))
110111 +GCCPLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
110112 +#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -std=gnu99
110113 +
110114 +ifeq ($(PLUGINCC),$(HOSTCC))
110115 +HOSTLIBS := hostlibs
110116 +HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb
110117 +export HOST_EXTRACFLAGS
110118 +else
110119 +HOSTLIBS := hostcxxlibs
110120 +HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti -ggdb -Wno-unused-parameter -Wno-narrowing -Wno-unused-variable
110121 +export HOST_EXTRACXXFLAGS
110122 +endif
110123 +
110124 +export GCCPLUGINS_DIR HOSTLIBS
110125 +
110126 +$(HOSTLIBS)-$(CONFIG_PAX_CONSTIFY_PLUGIN) := constify_plugin.so
110127 +$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STACKLEAK) += stackleak_plugin.so
110128 +$(HOSTLIBS)-$(CONFIG_KALLOCSTAT_PLUGIN) += kallocstat_plugin.so
110129 +$(HOSTLIBS)-$(CONFIG_PAX_KERNEXEC_PLUGIN) += kernexec_plugin.so
110130 +$(HOSTLIBS)-$(CONFIG_CHECKER_PLUGIN) += checker_plugin.so
110131 +$(HOSTLIBS)-y += colorize_plugin.so
110132 +$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so
110133 +$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STRUCTLEAK) += structleak_plugin.so
110134 +$(HOSTLIBS)-$(CONFIG_GRKERNSEC_RANDSTRUCT) += randomize_layout_plugin.so
110135 +
110136 +subdir-$(CONFIG_PAX_SIZE_OVERFLOW) := size_overflow_plugin
110137 +subdir- += size_overflow_plugin
110138 +
110139 +always := $($(HOSTLIBS)-y)
110140 +
110141 +constify_plugin-objs := constify_plugin.o
110142 +stackleak_plugin-objs := stackleak_plugin.o
110143 +kallocstat_plugin-objs := kallocstat_plugin.o
110144 +kernexec_plugin-objs := kernexec_plugin.o
110145 +checker_plugin-objs := checker_plugin.o
110146 +colorize_plugin-objs := colorize_plugin.o
110147 +latent_entropy_plugin-objs := latent_entropy_plugin.o
110148 +structleak_plugin-objs := structleak_plugin.o
110149 +randomize_layout_plugin-objs := randomize_layout_plugin.o
110150 +
110151 +$(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h
110152 +
110153 +quiet_cmd_create_randomize_layout_seed = GENSEED $@
110154 + cmd_create_randomize_layout_seed = \
110155 + $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h
110156 +$(objtree)/$(obj)/randomize_layout_seed.h: FORCE
110157 + $(call if_changed,create_randomize_layout_seed)
110158 +
110159 +targets += randomize_layout_seed.h randomize_layout_hash.h
110160 diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c
110161 new file mode 100644
110162 index 0000000..5452feea
110163 --- /dev/null
110164 +++ b/tools/gcc/checker_plugin.c
110165 @@ -0,0 +1,150 @@
110166 +/*
110167 + * Copyright 2011-2014 by the PaX Team <pageexec@freemail.hu>
110168 + * Licensed under the GPL v2
110169 + *
110170 + * Note: the choice of the license means that the compilation process is
110171 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
110172 + * but for the kernel it doesn't matter since it doesn't link against
110173 + * any of the gcc libraries
110174 + *
110175 + * gcc plugin to implement various sparse (source code checker) features
110176 + *
110177 + * TODO:
110178 + * - define separate __iomem, __percpu and __rcu address spaces (lots of code to patch)
110179 + *
110180 + * BUGS:
110181 + * - none known
110182 + */
110183 +
110184 +#include "gcc-common.h"
110185 +
110186 +extern void c_register_addr_space (const char *str, addr_space_t as);
110187 +extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
110188 +extern enum machine_mode default_addr_space_address_mode (addr_space_t);
110189 +extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as);
110190 +extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as);
110191 +extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as);
110192 +
110193 +int plugin_is_GPL_compatible;
110194 +
110195 +static struct plugin_info checker_plugin_info = {
110196 + .version = "201304082245",
110197 + .help = NULL,
110198 +};
110199 +
110200 +#define ADDR_SPACE_KERNEL 0
110201 +#define ADDR_SPACE_FORCE_KERNEL 1
110202 +#define ADDR_SPACE_USER 2
110203 +#define ADDR_SPACE_FORCE_USER 3
110204 +#define ADDR_SPACE_IOMEM 0
110205 +#define ADDR_SPACE_FORCE_IOMEM 0
110206 +#define ADDR_SPACE_PERCPU 0
110207 +#define ADDR_SPACE_FORCE_PERCPU 0
110208 +#define ADDR_SPACE_RCU 0
110209 +#define ADDR_SPACE_FORCE_RCU 0
110210 +
110211 +static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace)
110212 +{
110213 + return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC);
110214 +}
110215 +
110216 +static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace)
110217 +{
110218 + return default_addr_space_address_mode(ADDR_SPACE_GENERIC);
110219 +}
110220 +
110221 +static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as)
110222 +{
110223 + return default_addr_space_valid_pointer_mode(mode, as);
110224 +}
110225 +
110226 +static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as)
110227 +{
110228 + return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC);
110229 +}
110230 +
110231 +static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as)
110232 +{
110233 + return default_addr_space_legitimize_address(x, oldx, mode, as);
110234 +}
110235 +
110236 +static bool checker_addr_space_subset_p(addr_space_t subset, addr_space_t superset)
110237 +{
110238 + if (subset == ADDR_SPACE_FORCE_KERNEL && superset == ADDR_SPACE_KERNEL)
110239 + return true;
110240 +
110241 + if (subset == ADDR_SPACE_FORCE_USER && superset == ADDR_SPACE_USER)
110242 + return true;
110243 +
110244 + if (subset == ADDR_SPACE_FORCE_IOMEM && superset == ADDR_SPACE_IOMEM)
110245 + return true;
110246 +
110247 + if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_USER)
110248 + return true;
110249 +
110250 + if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_IOMEM)
110251 + return true;
110252 +
110253 + if (subset == ADDR_SPACE_USER && superset == ADDR_SPACE_FORCE_KERNEL)
110254 + return true;
110255 +
110256 + if (subset == ADDR_SPACE_IOMEM && superset == ADDR_SPACE_FORCE_KERNEL)
110257 + return true;
110258 +
110259 + return subset == superset;
110260 +}
110261 +
110262 +static rtx checker_addr_space_convert(rtx op, tree from_type, tree to_type)
110263 +{
110264 +// addr_space_t from_as = TYPE_ADDR_SPACE(TREE_TYPE(from_type));
110265 +// addr_space_t to_as = TYPE_ADDR_SPACE(TREE_TYPE(to_type));
110266 +
110267 + return op;
110268 +}
110269 +
110270 +static void register_checker_address_spaces(void *event_data, void *data)
110271 +{
110272 + c_register_addr_space("__kernel", ADDR_SPACE_KERNEL);
110273 + c_register_addr_space("__force_kernel", ADDR_SPACE_FORCE_KERNEL);
110274 + c_register_addr_space("__user", ADDR_SPACE_USER);
110275 + c_register_addr_space("__force_user", ADDR_SPACE_FORCE_USER);
110276 +// c_register_addr_space("__iomem", ADDR_SPACE_IOMEM);
110277 +// c_register_addr_space("__force_iomem", ADDR_SPACE_FORCE_IOMEM);
110278 +// c_register_addr_space("__percpu", ADDR_SPACE_PERCPU);
110279 +// c_register_addr_space("__force_percpu", ADDR_SPACE_FORCE_PERCPU);
110280 +// c_register_addr_space("__rcu", ADDR_SPACE_RCU);
110281 +// c_register_addr_space("__force_rcu", ADDR_SPACE_FORCE_RCU);
110282 +
110283 + targetm.addr_space.pointer_mode = checker_addr_space_pointer_mode;
110284 + targetm.addr_space.address_mode = checker_addr_space_address_mode;
110285 + targetm.addr_space.valid_pointer_mode = checker_addr_space_valid_pointer_mode;
110286 + targetm.addr_space.legitimate_address_p = checker_addr_space_legitimate_address_p;
110287 +// targetm.addr_space.legitimize_address = checker_addr_space_legitimize_address;
110288 + targetm.addr_space.subset_p = checker_addr_space_subset_p;
110289 + targetm.addr_space.convert = checker_addr_space_convert;
110290 +}
110291 +
110292 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
110293 +{
110294 + const char * const plugin_name = plugin_info->base_name;
110295 + const int argc = plugin_info->argc;
110296 + const struct plugin_argument * const argv = plugin_info->argv;
110297 + int i;
110298 +
110299 + if (!plugin_default_version_check(version, &gcc_version)) {
110300 + error(G_("incompatible gcc/plugin versions"));
110301 + return 1;
110302 + }
110303 +
110304 + register_callback(plugin_name, PLUGIN_INFO, NULL, &checker_plugin_info);
110305 +
110306 + for (i = 0; i < argc; ++i)
110307 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
110308 +
110309 + if (TARGET_64BIT == 0)
110310 + return 0;
110311 +
110312 + register_callback(plugin_name, PLUGIN_PRAGMAS, register_checker_address_spaces, NULL);
110313 +
110314 + return 0;
110315 +}
110316 diff --git a/tools/gcc/colorize_plugin.c b/tools/gcc/colorize_plugin.c
110317 new file mode 100644
110318 index 0000000..54461af
110319 --- /dev/null
110320 +++ b/tools/gcc/colorize_plugin.c
110321 @@ -0,0 +1,210 @@
110322 +/*
110323 + * Copyright 2012-2014 by PaX Team <pageexec@freemail.hu>
110324 + * Licensed under the GPL v2
110325 + *
110326 + * Note: the choice of the license means that the compilation process is
110327 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
110328 + * but for the kernel it doesn't matter since it doesn't link against
110329 + * any of the gcc libraries
110330 + *
110331 + * gcc plugin to colorize diagnostic output
110332 + *
110333 + */
110334 +
110335 +#include "gcc-common.h"
110336 +
110337 +int plugin_is_GPL_compatible;
110338 +
110339 +static struct plugin_info colorize_plugin_info = {
110340 + .version = "201404202350",
110341 + .help = "color=[never|always|auto]\tdetermine when to colorize\n",
110342 +};
110343 +
110344 +#define GREEN "\033[32m\033[K"
110345 +#define LIGHTGREEN "\033[1;32m\033[K"
110346 +#define YELLOW "\033[33m\033[K"
110347 +#define LIGHTYELLOW "\033[1;33m\033[K"
110348 +#define RED "\033[31m\033[K"
110349 +#define LIGHTRED "\033[1;31m\033[K"
110350 +#define BLUE "\033[34m\033[K"
110351 +#define LIGHTBLUE "\033[1;34m\033[K"
110352 +#define BRIGHT "\033[1;m\033[K"
110353 +#define NORMAL "\033[m\033[K"
110354 +
110355 +static diagnostic_starter_fn old_starter;
110356 +static diagnostic_finalizer_fn old_finalizer;
110357 +
110358 +static void start_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
110359 +{
110360 + const char *color;
110361 + char *newprefix;
110362 +
110363 + switch (diagnostic->kind) {
110364 + case DK_NOTE:
110365 + color = LIGHTBLUE;
110366 + break;
110367 +
110368 + case DK_PEDWARN:
110369 + case DK_WARNING:
110370 + color = LIGHTYELLOW;
110371 + break;
110372 +
110373 + case DK_ERROR:
110374 + case DK_FATAL:
110375 + case DK_ICE:
110376 + case DK_PERMERROR:
110377 + case DK_SORRY:
110378 + color = LIGHTRED;
110379 + break;
110380 +
110381 + default:
110382 + color = NORMAL;
110383 + }
110384 +
110385 + old_starter(context, diagnostic);
110386 + if (-1 == asprintf(&newprefix, "%s%s" NORMAL, color, context->printer->prefix))
110387 + return;
110388 + pp_destroy_prefix(context->printer);
110389 + pp_set_prefix(context->printer, newprefix);
110390 +}
110391 +
110392 +static void finalize_colorize(diagnostic_context *context, diagnostic_info *diagnostic)
110393 +{
110394 + old_finalizer(context, diagnostic);
110395 +}
110396 +
110397 +static void colorize_arm(void)
110398 +{
110399 + old_starter = diagnostic_starter(global_dc);
110400 + old_finalizer = diagnostic_finalizer(global_dc);
110401 +
110402 + diagnostic_starter(global_dc) = start_colorize;
110403 + diagnostic_finalizer(global_dc) = finalize_colorize;
110404 +}
110405 +
110406 +static unsigned int execute_colorize_rearm(void)
110407 +{
110408 + if (diagnostic_starter(global_dc) == start_colorize)
110409 + return 0;
110410 +
110411 + colorize_arm();
110412 + return 0;
110413 +}
110414 +
110415 +#if BUILDING_GCC_VERSION >= 4009
110416 +static const struct pass_data colorize_rearm_pass_data = {
110417 +#else
110418 +struct simple_ipa_opt_pass colorize_rearm_pass = {
110419 + .pass = {
110420 +#endif
110421 + .type = SIMPLE_IPA_PASS,
110422 + .name = "colorize_rearm",
110423 +#if BUILDING_GCC_VERSION >= 4008
110424 + .optinfo_flags = OPTGROUP_NONE,
110425 +#endif
110426 +#if BUILDING_GCC_VERSION >= 4009
110427 + .has_gate = false,
110428 + .has_execute = true,
110429 +#else
110430 + .gate = NULL,
110431 + .execute = execute_colorize_rearm,
110432 + .sub = NULL,
110433 + .next = NULL,
110434 + .static_pass_number = 0,
110435 +#endif
110436 + .tv_id = TV_NONE,
110437 + .properties_required = 0,
110438 + .properties_provided = 0,
110439 + .properties_destroyed = 0,
110440 + .todo_flags_start = 0,
110441 + .todo_flags_finish = 0
110442 +#if BUILDING_GCC_VERSION < 4009
110443 + }
110444 +#endif
110445 +};
110446 +
110447 +#if BUILDING_GCC_VERSION >= 4009
110448 +namespace {
110449 +class colorize_rearm_pass : public simple_ipa_opt_pass {
110450 +public:
110451 + colorize_rearm_pass() : simple_ipa_opt_pass(colorize_rearm_pass_data, g) {}
110452 + unsigned int execute() { return execute_colorize_rearm(); }
110453 +};
110454 +}
110455 +
110456 +static opt_pass *make_colorize_rearm_pass(void)
110457 +{
110458 + return new colorize_rearm_pass();
110459 +}
110460 +#else
110461 +static struct opt_pass *make_colorize_rearm_pass(void)
110462 +{
110463 + return &colorize_rearm_pass.pass;
110464 +}
110465 +#endif
110466 +
110467 +static void colorize_start_unit(void *gcc_data, void *user_data)
110468 +{
110469 + colorize_arm();
110470 +}
110471 +
110472 +static bool should_colorize(void)
110473 +{
110474 +#if BUILDING_GCC_VERSION >= 4009
110475 + return false;
110476 +#else
110477 + char const *t = getenv("TERM");
110478 +
110479 + return t && strcmp(t, "dumb") && isatty(STDERR_FILENO);
110480 +#endif
110481 +}
110482 +
110483 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
110484 +{
110485 + const char * const plugin_name = plugin_info->base_name;
110486 + const int argc = plugin_info->argc;
110487 + const struct plugin_argument * const argv = plugin_info->argv;
110488 + int i;
110489 + struct register_pass_info colorize_rearm_pass_info;
110490 + bool colorize;
110491 +
110492 + colorize_rearm_pass_info.pass = make_colorize_rearm_pass();
110493 + colorize_rearm_pass_info.reference_pass_name = "*free_lang_data";
110494 + colorize_rearm_pass_info.ref_pass_instance_number = 1;
110495 + colorize_rearm_pass_info.pos_op = PASS_POS_INSERT_AFTER;
110496 +
110497 + if (!plugin_default_version_check(version, &gcc_version)) {
110498 + error(G_("incompatible gcc/plugin versions"));
110499 + return 1;
110500 + }
110501 +
110502 + register_callback(plugin_name, PLUGIN_INFO, NULL, &colorize_plugin_info);
110503 +
110504 + colorize = getenv("GCC_COLORS") ? should_colorize() : false;
110505 +
110506 + for (i = 0; i < argc; ++i) {
110507 + if (!strcmp(argv[i].key, "color")) {
110508 + if (!argv[i].value) {
110509 + error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
110510 + continue;
110511 + }
110512 + if (!strcmp(argv[i].value, "always"))
110513 + colorize = true;
110514 + else if (!strcmp(argv[i].value, "never"))
110515 + colorize = false;
110516 + else if (!strcmp(argv[i].value, "auto"))
110517 + colorize = should_colorize();
110518 + else
110519 + error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
110520 + continue;
110521 + }
110522 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
110523 + }
110524 +
110525 + if (colorize) {
110526 + // TODO: parse GCC_COLORS as used by gcc 4.9+
110527 + register_callback(plugin_name, PLUGIN_START_UNIT, &colorize_start_unit, NULL);
110528 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &colorize_rearm_pass_info);
110529 + }
110530 + return 0;
110531 +}
110532 diff --git a/tools/gcc/constify_plugin.c b/tools/gcc/constify_plugin.c
110533 new file mode 100644
110534 index 0000000..82bc5a8
110535 --- /dev/null
110536 +++ b/tools/gcc/constify_plugin.c
110537 @@ -0,0 +1,557 @@
110538 +/*
110539 + * Copyright 2011 by Emese Revfy <re.emese@gmail.com>
110540 + * Copyright 2011-2014 by PaX Team <pageexec@freemail.hu>
110541 + * Licensed under the GPL v2, or (at your option) v3
110542 + *
110543 + * This gcc plugin constifies all structures which contain only function pointers or are explicitly marked for constification.
110544 + *
110545 + * Homepage:
110546 + * http://www.grsecurity.net/~ephox/const_plugin/
110547 + *
110548 + * Usage:
110549 + * $ gcc -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -o constify_plugin.so constify_plugin.c
110550 + * $ gcc -fplugin=constify_plugin.so test.c -O2
110551 + */
110552 +
110553 +#include "gcc-common.h"
110554 +
110555 +// unused C type flag in all versions 4.5-4.9
110556 +#define TYPE_CONSTIFY_VISITED(TYPE) TYPE_LANG_FLAG_4(TYPE)
110557 +
110558 +int plugin_is_GPL_compatible;
110559 +
110560 +static struct plugin_info const_plugin_info = {
110561 + .version = "201401270210",
110562 + .help = "no-constify\tturn off constification\n",
110563 +};
110564 +
110565 +typedef struct {
110566 + bool has_fptr_field;
110567 + bool has_writable_field;
110568 + bool has_do_const_field;
110569 + bool has_no_const_field;
110570 +} constify_info;
110571 +
110572 +static const_tree get_field_type(const_tree field)
110573 +{
110574 + return strip_array_types(TREE_TYPE(field));
110575 +}
110576 +
110577 +static bool is_fptr(const_tree field)
110578 +{
110579 + const_tree ptr = get_field_type(field);
110580 +
110581 + if (TREE_CODE(ptr) != POINTER_TYPE)
110582 + return false;
110583 +
110584 + return TREE_CODE(TREE_TYPE(ptr)) == FUNCTION_TYPE;
110585 +}
110586 +
110587 +/*
110588 + * determine whether the given structure type meets the requirements for automatic constification,
110589 + * including the constification attributes on nested structure types
110590 + */
110591 +static void constifiable(const_tree node, constify_info *cinfo)
110592 +{
110593 + const_tree field;
110594 +
110595 + gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE);
110596 +
110597 + // e.g., pointer to structure fields while still constructing the structure type
110598 + if (TYPE_FIELDS(node) == NULL_TREE)
110599 + return;
110600 +
110601 + for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
110602 + const_tree type = get_field_type(field);
110603 + enum tree_code code = TREE_CODE(type);
110604 +
110605 + if (node == type)
110606 + continue;
110607 +
110608 + if (is_fptr(field))
110609 + cinfo->has_fptr_field = true;
110610 + else if (!TREE_READONLY(field))
110611 + cinfo->has_writable_field = true;
110612 +
110613 + if (code == RECORD_TYPE || code == UNION_TYPE) {
110614 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type)))
110615 + cinfo->has_do_const_field = true;
110616 + else if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type)))
110617 + cinfo->has_no_const_field = true;
110618 + else
110619 + constifiable(type, cinfo);
110620 + }
110621 + }
110622 +}
110623 +
110624 +static bool constified(const_tree node)
110625 +{
110626 + constify_info cinfo = {
110627 + .has_fptr_field = false,
110628 + .has_writable_field = false,
110629 + .has_do_const_field = false,
110630 + .has_no_const_field = false
110631 + };
110632 +
110633 + gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE);
110634 +
110635 + if (lookup_attribute("no_const", TYPE_ATTRIBUTES(node))) {
110636 +// gcc_assert(!TYPE_READONLY(node));
110637 + return false;
110638 + }
110639 +
110640 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(node))) {
110641 + gcc_assert(TYPE_READONLY(node));
110642 + return true;
110643 + }
110644 +
110645 + constifiable(node, &cinfo);
110646 + if ((!cinfo.has_fptr_field || cinfo.has_writable_field) && !cinfo.has_do_const_field)
110647 + return false;
110648 +
110649 + return TYPE_READONLY(node);
110650 +}
110651 +
110652 +static void deconstify_tree(tree node);
110653 +
110654 +static void deconstify_type(tree type)
110655 +{
110656 + tree field;
110657 +
110658 + gcc_assert(TREE_CODE(type) == RECORD_TYPE || TREE_CODE(type) == UNION_TYPE);
110659 +
110660 + for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) {
110661 + const_tree fieldtype = get_field_type(field);
110662 +
110663 + // special case handling of simple ptr-to-same-array-type members
110664 + if (TREE_CODE(TREE_TYPE(field)) == POINTER_TYPE) {
110665 + tree ptrtype = TREE_TYPE(TREE_TYPE(field));
110666 +
110667 + if (TREE_TYPE(TREE_TYPE(field)) == type)
110668 + continue;
110669 + if (TREE_CODE(ptrtype) != RECORD_TYPE && TREE_CODE(ptrtype) != UNION_TYPE)
110670 + continue;
110671 + if (!constified(ptrtype))
110672 + continue;
110673 + if (TYPE_MAIN_VARIANT(ptrtype) == TYPE_MAIN_VARIANT(type)) {
110674 + TREE_TYPE(field) = copy_node(TREE_TYPE(field));
110675 + TREE_TYPE(TREE_TYPE(field)) = build_qualified_type(type, TYPE_QUALS(ptrtype) & ~TYPE_QUAL_CONST);
110676 + }
110677 + continue;
110678 + }
110679 + if (TREE_CODE(fieldtype) != RECORD_TYPE && TREE_CODE(fieldtype) != UNION_TYPE)
110680 + continue;
110681 + if (!constified(fieldtype))
110682 + continue;
110683 +
110684 + deconstify_tree(field);
110685 + TREE_READONLY(field) = 0;
110686 + }
110687 + TYPE_READONLY(type) = 0;
110688 + C_TYPE_FIELDS_READONLY(type) = 0;
110689 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) {
110690 + TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type));
110691 + TYPE_ATTRIBUTES(type) = remove_attribute("do_const", TYPE_ATTRIBUTES(type));
110692 + }
110693 +}
110694 +
110695 +static void deconstify_tree(tree node)
110696 +{
110697 + tree old_type, new_type, field;
110698 +
110699 + old_type = TREE_TYPE(node);
110700 + while (TREE_CODE(old_type) == ARRAY_TYPE && TREE_CODE(TREE_TYPE(old_type)) != ARRAY_TYPE) {
110701 + node = TREE_TYPE(node) = copy_node(old_type);
110702 + old_type = TREE_TYPE(old_type);
110703 + }
110704 +
110705 + gcc_assert(TREE_CODE(old_type) == RECORD_TYPE || TREE_CODE(old_type) == UNION_TYPE);
110706 + gcc_assert(TYPE_READONLY(old_type) && (TYPE_QUALS(old_type) & TYPE_QUAL_CONST));
110707 +
110708 + new_type = build_qualified_type(old_type, TYPE_QUALS(old_type) & ~TYPE_QUAL_CONST);
110709 + TYPE_FIELDS(new_type) = copy_list(TYPE_FIELDS(new_type));
110710 + for (field = TYPE_FIELDS(new_type); field; field = TREE_CHAIN(field))
110711 + DECL_FIELD_CONTEXT(field) = new_type;
110712 +
110713 + deconstify_type(new_type);
110714 +
110715 + TREE_TYPE(node) = new_type;
110716 +}
110717 +
110718 +static tree handle_no_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
110719 +{
110720 + tree type;
110721 + constify_info cinfo = {
110722 + .has_fptr_field = false,
110723 + .has_writable_field = false,
110724 + .has_do_const_field = false,
110725 + .has_no_const_field = false
110726 + };
110727 +
110728 + *no_add_attrs = true;
110729 + if (TREE_CODE(*node) == FUNCTION_DECL) {
110730 + error("%qE attribute does not apply to functions (%qF)", name, *node);
110731 + return NULL_TREE;
110732 + }
110733 +
110734 + if (TREE_CODE(*node) == PARM_DECL) {
110735 + error("%qE attribute does not apply to function parameters (%qD)", name, *node);
110736 + return NULL_TREE;
110737 + }
110738 +
110739 + if (TREE_CODE(*node) == VAR_DECL) {
110740 + error("%qE attribute does not apply to variables (%qD)", name, *node);
110741 + return NULL_TREE;
110742 + }
110743 +
110744 + if (TYPE_P(*node)) {
110745 + type = *node;
110746 + } else {
110747 + gcc_assert(TREE_CODE(*node) == TYPE_DECL);
110748 + type = TREE_TYPE(*node);
110749 + }
110750 +
110751 + if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) {
110752 + error("%qE attribute used on %qT applies to struct and union types only", name, type);
110753 + return NULL_TREE;
110754 + }
110755 +
110756 + if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) {
110757 + error("%qE attribute is already applied to the type %qT", name, type);
110758 + return NULL_TREE;
110759 + }
110760 +
110761 + if (TYPE_P(*node)) {
110762 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type)))
110763 + error("%qE attribute used on type %qT is incompatible with 'do_const'", name, type);
110764 + else
110765 + *no_add_attrs = false;
110766 + return NULL_TREE;
110767 + }
110768 +
110769 + constifiable(type, &cinfo);
110770 + if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) {
110771 + deconstify_tree(*node);
110772 + TYPE_CONSTIFY_VISITED(TREE_TYPE(*node)) = 1;
110773 + return NULL_TREE;
110774 + }
110775 +
110776 + error("%qE attribute used on type %qT that is not constified", name, type);
110777 + return NULL_TREE;
110778 +}
110779 +
110780 +static void constify_type(tree type)
110781 +{
110782 + TYPE_READONLY(type) = 1;
110783 + C_TYPE_FIELDS_READONLY(type) = 1;
110784 + TYPE_CONSTIFY_VISITED(type) = 1;
110785 +// TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type));
110786 +// TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("do_const"), NULL_TREE, TYPE_ATTRIBUTES(type));
110787 +}
110788 +
110789 +static tree handle_do_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
110790 +{
110791 + *no_add_attrs = true;
110792 + if (!TYPE_P(*node)) {
110793 + error("%qE attribute applies to types only (%qD)", name, *node);
110794 + return NULL_TREE;
110795 + }
110796 +
110797 + if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) {
110798 + error("%qE attribute used on %qT applies to struct and union types only", name, *node);
110799 + return NULL_TREE;
110800 + }
110801 +
110802 + if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(*node))) {
110803 + error("%qE attribute used on %qT is already applied to the type", name, *node);
110804 + return NULL_TREE;
110805 + }
110806 +
110807 + if (lookup_attribute("no_const", TYPE_ATTRIBUTES(*node))) {
110808 + error("%qE attribute used on %qT is incompatible with 'no_const'", name, *node);
110809 + return NULL_TREE;
110810 + }
110811 +
110812 + *no_add_attrs = false;
110813 + return NULL_TREE;
110814 +}
110815 +
110816 +static struct attribute_spec no_const_attr = {
110817 + .name = "no_const",
110818 + .min_length = 0,
110819 + .max_length = 0,
110820 + .decl_required = false,
110821 + .type_required = false,
110822 + .function_type_required = false,
110823 + .handler = handle_no_const_attribute,
110824 +#if BUILDING_GCC_VERSION >= 4007
110825 + .affects_type_identity = true
110826 +#endif
110827 +};
110828 +
110829 +static struct attribute_spec do_const_attr = {
110830 + .name = "do_const",
110831 + .min_length = 0,
110832 + .max_length = 0,
110833 + .decl_required = false,
110834 + .type_required = false,
110835 + .function_type_required = false,
110836 + .handler = handle_do_const_attribute,
110837 +#if BUILDING_GCC_VERSION >= 4007
110838 + .affects_type_identity = true
110839 +#endif
110840 +};
110841 +
110842 +static void register_attributes(void *event_data, void *data)
110843 +{
110844 + register_attribute(&no_const_attr);
110845 + register_attribute(&do_const_attr);
110846 +}
110847 +
110848 +static void finish_type(void *event_data, void *data)
110849 +{
110850 + tree type = (tree)event_data;
110851 + constify_info cinfo = {
110852 + .has_fptr_field = false,
110853 + .has_writable_field = false,
110854 + .has_do_const_field = false,
110855 + .has_no_const_field = false
110856 + };
110857 +
110858 + if (type == NULL_TREE || type == error_mark_node)
110859 + return;
110860 +
110861 + if (TYPE_FIELDS(type) == NULL_TREE || TYPE_CONSTIFY_VISITED(type))
110862 + return;
110863 +
110864 + constifiable(type, &cinfo);
110865 +
110866 + if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type))) {
110867 + if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || cinfo.has_do_const_field) {
110868 + deconstify_type(type);
110869 + TYPE_CONSTIFY_VISITED(type) = 1;
110870 + } else
110871 + error("'no_const' attribute used on type %qT that is not constified", type);
110872 + return;
110873 + }
110874 +
110875 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) {
110876 + if (!cinfo.has_writable_field) {
110877 + error("'do_const' attribute used on type %qT that is%sconstified", type, cinfo.has_fptr_field ? " " : " not ");
110878 + return;
110879 + }
110880 + constify_type(type);
110881 + return;
110882 + }
110883 +
110884 + if (cinfo.has_fptr_field && !cinfo.has_writable_field) {
110885 + if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) {
110886 + error("'do_const' attribute used on type %qT that is constified", type);
110887 + return;
110888 + }
110889 + constify_type(type);
110890 + return;
110891 + }
110892 +
110893 + deconstify_type(type);
110894 + TYPE_CONSTIFY_VISITED(type) = 1;
110895 +}
110896 +
110897 +static void check_global_variables(void *event_data, void *data)
110898 +{
110899 +#if BUILDING_GCC_VERSION >= 4009
110900 + varpool_node *node;
110901 +#else
110902 + struct varpool_node *node;
110903 +#endif
110904 +
110905 + FOR_EACH_VARIABLE(node) {
110906 + tree var = NODE_DECL(node);
110907 + tree type = TREE_TYPE(var);
110908 +
110909 + if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
110910 + continue;
110911 +
110912 + if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type))
110913 + continue;
110914 +
110915 + if (!TYPE_CONSTIFY_VISITED(type))
110916 + continue;
110917 +
110918 + if (DECL_EXTERNAL(var))
110919 + continue;
110920 +
110921 + if (DECL_INITIAL(var))
110922 + continue;
110923 +
110924 + // this works around a gcc bug/feature where uninitialized globals
110925 + // are moved into the .bss section regardless of any constification
110926 + DECL_INITIAL(var) = build_constructor(type, NULL);
110927 +// inform(DECL_SOURCE_LOCATION(var), "constified variable %qE moved into .rodata", var);
110928 + }
110929 +}
110930 +
110931 +static unsigned int check_local_variables(void)
110932 +{
110933 + unsigned int ret = 0;
110934 + tree var;
110935 +
110936 + unsigned int i;
110937 +
110938 + FOR_EACH_LOCAL_DECL(cfun, i, var) {
110939 + tree type = TREE_TYPE(var);
110940 +
110941 + gcc_assert(DECL_P(var));
110942 + if (is_global_var(var))
110943 + continue;
110944 +
110945 + if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
110946 + continue;
110947 +
110948 + if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type))
110949 + continue;
110950 +
110951 + if (!TYPE_CONSTIFY_VISITED(type))
110952 + continue;
110953 +
110954 + error_at(DECL_SOURCE_LOCATION(var), "constified variable %qE cannot be local", var);
110955 + ret = 1;
110956 + }
110957 + return ret;
110958 +}
110959 +
110960 +#if BUILDING_GCC_VERSION >= 4009
110961 +static const struct pass_data check_local_variables_pass_data = {
110962 +#else
110963 +static struct gimple_opt_pass check_local_variables_pass = {
110964 + .pass = {
110965 +#endif
110966 + .type = GIMPLE_PASS,
110967 + .name = "check_local_variables",
110968 +#if BUILDING_GCC_VERSION >= 4008
110969 + .optinfo_flags = OPTGROUP_NONE,
110970 +#endif
110971 +#if BUILDING_GCC_VERSION >= 4009
110972 + .has_gate = false,
110973 + .has_execute = true,
110974 +#else
110975 + .gate = NULL,
110976 + .execute = check_local_variables,
110977 + .sub = NULL,
110978 + .next = NULL,
110979 + .static_pass_number = 0,
110980 +#endif
110981 + .tv_id = TV_NONE,
110982 + .properties_required = 0,
110983 + .properties_provided = 0,
110984 + .properties_destroyed = 0,
110985 + .todo_flags_start = 0,
110986 + .todo_flags_finish = 0
110987 +#if BUILDING_GCC_VERSION < 4009
110988 + }
110989 +#endif
110990 +};
110991 +
110992 +#if BUILDING_GCC_VERSION >= 4009
110993 +namespace {
110994 +class check_local_variables_pass : public gimple_opt_pass {
110995 +public:
110996 + check_local_variables_pass() : gimple_opt_pass(check_local_variables_pass_data, g) {}
110997 + unsigned int execute() { return check_local_variables(); }
110998 +};
110999 +}
111000 +
111001 +static opt_pass *make_check_local_variables_pass(void)
111002 +{
111003 + return new check_local_variables_pass();
111004 +}
111005 +#else
111006 +static struct opt_pass *make_check_local_variables_pass(void)
111007 +{
111008 + return &check_local_variables_pass.pass;
111009 +}
111010 +#endif
111011 +
111012 +static struct {
111013 + const char *name;
111014 + const char *asm_op;
111015 +} sections[] = {
111016 + {".init.rodata", "\t.section\t.init.rodata,\"a\""},
111017 + {".ref.rodata", "\t.section\t.ref.rodata,\"a\""},
111018 + {".devinit.rodata", "\t.section\t.devinit.rodata,\"a\""},
111019 + {".devexit.rodata", "\t.section\t.devexit.rodata,\"a\""},
111020 + {".cpuinit.rodata", "\t.section\t.cpuinit.rodata,\"a\""},
111021 + {".cpuexit.rodata", "\t.section\t.cpuexit.rodata,\"a\""},
111022 + {".meminit.rodata", "\t.section\t.meminit.rodata,\"a\""},
111023 + {".memexit.rodata", "\t.section\t.memexit.rodata,\"a\""},
111024 + {".data..read_only", "\t.section\t.data..read_only,\"a\""},
111025 +};
111026 +
111027 +static unsigned int (*old_section_type_flags)(tree decl, const char *name, int reloc);
111028 +
111029 +static unsigned int constify_section_type_flags(tree decl, const char *name, int reloc)
111030 +{
111031 + size_t i;
111032 +
111033 + for (i = 0; i < ARRAY_SIZE(sections); i++)
111034 + if (!strcmp(sections[i].name, name))
111035 + return 0;
111036 + return old_section_type_flags(decl, name, reloc);
111037 +}
111038 +
111039 +static void constify_start_unit(void *gcc_data, void *user_data)
111040 +{
111041 +// size_t i;
111042 +
111043 +// for (i = 0; i < ARRAY_SIZE(sections); i++)
111044 +// sections[i].section = get_unnamed_section(0, output_section_asm_op, sections[i].asm_op);
111045 +// sections[i].section = get_section(sections[i].name, 0, NULL);
111046 +
111047 + old_section_type_flags = targetm.section_type_flags;
111048 + targetm.section_type_flags = constify_section_type_flags;
111049 +}
111050 +
111051 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
111052 +{
111053 + const char * const plugin_name = plugin_info->base_name;
111054 + const int argc = plugin_info->argc;
111055 + const struct plugin_argument * const argv = plugin_info->argv;
111056 + int i;
111057 + bool constify = true;
111058 +
111059 + struct register_pass_info check_local_variables_pass_info;
111060 +
111061 + check_local_variables_pass_info.pass = make_check_local_variables_pass();
111062 + check_local_variables_pass_info.reference_pass_name = "ssa";
111063 + check_local_variables_pass_info.ref_pass_instance_number = 1;
111064 + check_local_variables_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
111065 +
111066 + if (!plugin_default_version_check(version, &gcc_version)) {
111067 + error(G_("incompatible gcc/plugin versions"));
111068 + return 1;
111069 + }
111070 +
111071 + for (i = 0; i < argc; ++i) {
111072 + if (!(strcmp(argv[i].key, "no-constify"))) {
111073 + constify = false;
111074 + continue;
111075 + }
111076 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
111077 + }
111078 +
111079 + if (strcmp(lang_hooks.name, "GNU C")) {
111080 + inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name);
111081 + constify = false;
111082 + }
111083 +
111084 + register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info);
111085 + if (constify) {
111086 + register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL);
111087 + register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL);
111088 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &check_local_variables_pass_info);
111089 + register_callback(plugin_name, PLUGIN_START_UNIT, constify_start_unit, NULL);
111090 + }
111091 + register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
111092 +
111093 + return 0;
111094 +}
111095 diff --git a/tools/gcc/gcc-common.h b/tools/gcc/gcc-common.h
111096 new file mode 100644
111097 index 0000000..e90c205
111098 --- /dev/null
111099 +++ b/tools/gcc/gcc-common.h
111100 @@ -0,0 +1,295 @@
111101 +#ifndef GCC_COMMON_H_INCLUDED
111102 +#define GCC_COMMON_H_INCLUDED
111103 +
111104 +#include "plugin.h"
111105 +#include "bversion.h"
111106 +#include "plugin-version.h"
111107 +#include "config.h"
111108 +#include "system.h"
111109 +#include "coretypes.h"
111110 +#include "tm.h"
111111 +#include "line-map.h"
111112 +#include "input.h"
111113 +#include "tree.h"
111114 +
111115 +#include "tree-inline.h"
111116 +#include "version.h"
111117 +#include "rtl.h"
111118 +#include "tm_p.h"
111119 +#include "flags.h"
111120 +//#include "insn-attr.h"
111121 +//#include "insn-config.h"
111122 +//#include "insn-flags.h"
111123 +#include "hard-reg-set.h"
111124 +//#include "recog.h"
111125 +#include "output.h"
111126 +#include "except.h"
111127 +#include "function.h"
111128 +#include "toplev.h"
111129 +//#include "expr.h"
111130 +#include "basic-block.h"
111131 +#include "intl.h"
111132 +#include "ggc.h"
111133 +//#include "regs.h"
111134 +#include "timevar.h"
111135 +
111136 +#include "params.h"
111137 +#include "pointer-set.h"
111138 +#include "emit-rtl.h"
111139 +//#include "reload.h"
111140 +//#include "ira.h"
111141 +//#include "dwarf2asm.h"
111142 +#include "debug.h"
111143 +#include "target.h"
111144 +#include "langhooks.h"
111145 +#include "cfgloop.h"
111146 +//#include "hosthooks.h"
111147 +#include "cgraph.h"
111148 +#include "opts.h"
111149 +//#include "coverage.h"
111150 +//#include "value-prof.h"
111151 +
111152 +#if BUILDING_GCC_VERSION >= 4007
111153 +#include "tree-pretty-print.h"
111154 +#include "gimple-pretty-print.h"
111155 +#include "c-tree.h"
111156 +//#include "alloc-pool.h"
111157 +#endif
111158 +
111159 +#if BUILDING_GCC_VERSION <= 4008
111160 +#include "tree-flow.h"
111161 +#else
111162 +#include "tree-cfgcleanup.h"
111163 +#endif
111164 +
111165 +#include "diagnostic.h"
111166 +//#include "tree-diagnostic.h"
111167 +#include "tree-dump.h"
111168 +#include "tree-pass.h"
111169 +//#include "df.h"
111170 +#include "predict.h"
111171 +#include "ipa-utils.h"
111172 +
111173 +#if BUILDING_GCC_VERSION >= 4009
111174 +#include "varasm.h"
111175 +#include "stor-layout.h"
111176 +#include "internal-fn.h"
111177 +#include "gimple-expr.h"
111178 +//#include "diagnostic-color.h"
111179 +#include "context.h"
111180 +#include "tree-ssa-alias.h"
111181 +#include "stringpool.h"
111182 +#include "tree-ssanames.h"
111183 +#include "print-tree.h"
111184 +#include "tree-eh.h"
111185 +#include "stmt.h"
111186 +#endif
111187 +
111188 +#include "gimple.h"
111189 +
111190 +#if BUILDING_GCC_VERSION >= 4009
111191 +#include "tree-ssa-operands.h"
111192 +#include "tree-phinodes.h"
111193 +#include "tree-cfg.h"
111194 +#include "gimple-iterator.h"
111195 +#include "gimple-ssa.h"
111196 +#include "ssa-iterators.h"
111197 +#endif
111198 +
111199 +//#include "lto/lto.h"
111200 +//#include "data-streamer.h"
111201 +//#include "lto-compress.h"
111202 +
111203 +//#include "expr.h" where are you...
111204 +extern rtx emit_move_insn(rtx x, rtx y);
111205 +
111206 +// missing from basic_block.h...
111207 +extern void debug_dominance_info(enum cdi_direction dir);
111208 +extern void debug_dominance_tree(enum cdi_direction dir, basic_block root);
111209 +
111210 +#define __unused __attribute__((__unused__))
111211 +
111212 +#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
111213 +#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
111214 +#define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
111215 +#define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
111216 +
111217 +#if BUILDING_GCC_VERSION == 4005
111218 +#define FOR_EACH_LOCAL_DECL(FUN, I, D) for (tree vars = (FUN)->local_decls; vars && (D = TREE_VALUE(vars)); vars = TREE_CHAIN(vars), I)
111219 +#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
111220 +#define FOR_EACH_VEC_ELT(T, V, I, P) for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I))
111221 +#define TODO_rebuild_cgraph_edges 0
111222 +
111223 +static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
111224 +{
111225 + tree fndecl;
111226 +
111227 + if (!is_gimple_call(stmt))
111228 + return false;
111229 + fndecl = gimple_call_fndecl(stmt);
111230 + if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
111231 + return false;
111232 +// print_node(stderr, "pax", fndecl, 4);
111233 + return DECL_FUNCTION_CODE(fndecl) == code;
111234 +}
111235 +
111236 +static inline bool is_simple_builtin(tree decl)
111237 +{
111238 + if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL)
111239 + return false;
111240 +
111241 + switch (DECL_FUNCTION_CODE(decl)) {
111242 + /* Builtins that expand to constants. */
111243 + case BUILT_IN_CONSTANT_P:
111244 + case BUILT_IN_EXPECT:
111245 + case BUILT_IN_OBJECT_SIZE:
111246 + case BUILT_IN_UNREACHABLE:
111247 + /* Simple register moves or loads from stack. */
111248 + case BUILT_IN_RETURN_ADDRESS:
111249 + case BUILT_IN_EXTRACT_RETURN_ADDR:
111250 + case BUILT_IN_FROB_RETURN_ADDR:
111251 + case BUILT_IN_RETURN:
111252 + case BUILT_IN_AGGREGATE_INCOMING_ADDRESS:
111253 + case BUILT_IN_FRAME_ADDRESS:
111254 + case BUILT_IN_VA_END:
111255 + case BUILT_IN_STACK_SAVE:
111256 + case BUILT_IN_STACK_RESTORE:
111257 + /* Exception state returns or moves registers around. */
111258 + case BUILT_IN_EH_FILTER:
111259 + case BUILT_IN_EH_POINTER:
111260 + case BUILT_IN_EH_COPY_VALUES:
111261 + return true;
111262 +
111263 + default:
111264 + return false;
111265 + }
111266 +}
111267 +#endif
111268 +
111269 +#if BUILDING_GCC_VERSION <= 4006
111270 +#define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN)
111271 +#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP)
111272 +
111273 +// should come from c-tree.h if only it were installed for gcc 4.5...
111274 +#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
111275 +
111276 +#define get_random_seed(noinit) ({ \
111277 + unsigned HOST_WIDE_INT seed; \
111278 + sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed); \
111279 + seed * seed; })
111280 +
111281 +static inline bool gimple_clobber_p(gimple s)
111282 +{
111283 + return false;
111284 +}
111285 +
111286 +static inline tree builtin_decl_implicit(enum built_in_function fncode)
111287 +{
111288 + return implicit_built_in_decls[fncode];
111289 +}
111290 +
111291 +static inline struct cgraph_node *cgraph_get_create_node(tree decl)
111292 +{
111293 + struct cgraph_node *node = cgraph_get_node(decl);
111294 +
111295 + return node ? node : cgraph_node(decl);
111296 +}
111297 +
111298 +static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node)
111299 +{
111300 + return node->analyzed && !node->thunk.thunk_p && !node->alias;
111301 +}
111302 +
111303 +static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void)
111304 +{
111305 + struct cgraph_node *node;
111306 +
111307 + for (node = cgraph_nodes; node; node = node->next)
111308 + if (cgraph_function_with_gimple_body_p(node))
111309 + return node;
111310 + return NULL;
111311 +}
111312 +
111313 +static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node)
111314 +{
111315 + for (node = node->next; node; node = node->next)
111316 + if (cgraph_function_with_gimple_body_p(node))
111317 + return node;
111318 + return NULL;
111319 +}
111320 +
111321 +#define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
111322 + for ((node) = cgraph_first_function_with_gimple_body(); (node); \
111323 + (node) = cgraph_next_function_with_gimple_body(node))
111324 +#endif
111325 +
111326 +#if BUILDING_GCC_VERSION == 4006
111327 +extern void debug_gimple_stmt(gimple);
111328 +extern void debug_gimple_seq(gimple_seq);
111329 +extern void print_gimple_seq(FILE *, gimple_seq, int, int);
111330 +extern void print_gimple_stmt(FILE *, gimple, int, int);
111331 +extern void print_gimple_expr(FILE *, gimple, int, int);
111332 +extern void dump_gimple_stmt(pretty_printer *, gimple, int, int);
111333 +#endif
111334 +
111335 +#if BUILDING_GCC_VERSION <= 4007
111336 +#define FOR_EACH_VARIABLE(node) for (node = varpool_nodes; node; node = node->next)
111337 +#define PROP_loops 0
111338 +
111339 +static inline int bb_loop_depth(const_basic_block bb)
111340 +{
111341 + return bb->loop_father ? loop_depth(bb->loop_father) : 0;
111342 +}
111343 +
111344 +static inline bool gimple_store_p(gimple gs)
111345 +{
111346 + tree lhs = gimple_get_lhs(gs);
111347 + return lhs && !is_gimple_reg(lhs);
111348 +}
111349 +#endif
111350 +
111351 +#if BUILDING_GCC_VERSION >= 4007
111352 +#define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
111353 + cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq))
111354 +#define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
111355 + cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
111356 +#endif
111357 +
111358 +#if BUILDING_GCC_VERSION <= 4008
111359 +#define ENTRY_BLOCK_PTR_FOR_FN(FN) ENTRY_BLOCK_PTR_FOR_FUNCTION(FN)
111360 +#define EXIT_BLOCK_PTR_FOR_FN(FN) EXIT_BLOCK_PTR_FOR_FUNCTION(FN)
111361 +#define basic_block_info_for_fn(FN) ((FN)->cfg->x_basic_block_info)
111362 +#define n_basic_blocks_for_fn(FN) ((FN)->cfg->x_n_basic_blocks)
111363 +#define n_edges_for_fn(FN) ((FN)->cfg->x_n_edges)
111364 +#define last_basic_block_for_fn(FN) ((FN)->cfg->x_last_basic_block)
111365 +#define label_to_block_map_for_fn(FN) ((FN)->cfg->x_label_to_block_map)
111366 +#define profile_status_for_fn(FN) ((FN)->cfg->x_profile_status)
111367 +
111368 +static inline const char *get_tree_code_name(enum tree_code code)
111369 +{
111370 + gcc_assert(code < MAX_TREE_CODES);
111371 + return tree_code_name[code];
111372 +}
111373 +
111374 +#define ipa_remove_stmt_references(cnode, stmt)
111375 +#endif
111376 +
111377 +#if BUILDING_GCC_VERSION == 4008
111378 +#define NODE_DECL(node) node->symbol.decl
111379 +#else
111380 +#define NODE_DECL(node) node->decl
111381 +#endif
111382 +
111383 +#if BUILDING_GCC_VERSION >= 4008
111384 +#define add_referenced_var(var)
111385 +#define mark_sym_for_renaming(var)
111386 +#define varpool_mark_needed_node(node)
111387 +#define TODO_dump_func 0
111388 +#define TODO_dump_cgraph 0
111389 +#endif
111390 +
111391 +#if BUILDING_GCC_VERSION >= 4009
111392 +#define TODO_ggc_collect 0
111393 +#endif
111394 +
111395 +#endif
111396 diff --git a/tools/gcc/gen-random-seed.sh b/tools/gcc/gen-random-seed.sh
111397 new file mode 100644
111398 index 0000000..7514850
111399 --- /dev/null
111400 +++ b/tools/gcc/gen-random-seed.sh
111401 @@ -0,0 +1,8 @@
111402 +#!/bin/sh
111403 +
111404 +if [ ! -f "$1" ]; then
111405 + SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'`
111406 + echo "const char *randstruct_seed = \"$SEED\";" > "$1"
111407 + HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'`
111408 + echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2"
111409 +fi
111410 diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c
111411 new file mode 100644
111412 index 0000000..d81c094
111413 --- /dev/null
111414 +++ b/tools/gcc/kallocstat_plugin.c
111415 @@ -0,0 +1,183 @@
111416 +/*
111417 + * Copyright 2011-2014 by the PaX Team <pageexec@freemail.hu>
111418 + * Licensed under the GPL v2
111419 + *
111420 + * Note: the choice of the license means that the compilation process is
111421 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
111422 + * but for the kernel it doesn't matter since it doesn't link against
111423 + * any of the gcc libraries
111424 + *
111425 + * gcc plugin to find the distribution of k*alloc sizes
111426 + *
111427 + * TODO:
111428 + *
111429 + * BUGS:
111430 + * - none known
111431 + */
111432 +
111433 +#include "gcc-common.h"
111434 +
111435 +int plugin_is_GPL_compatible;
111436 +
111437 +static struct plugin_info kallocstat_plugin_info = {
111438 + .version = "201401260140",
111439 + .help = NULL
111440 +};
111441 +
111442 +static const char * const kalloc_functions[] = {
111443 + "__kmalloc",
111444 + "kmalloc",
111445 + "kmalloc_large",
111446 + "kmalloc_node",
111447 + "kmalloc_order",
111448 + "kmalloc_order_trace",
111449 + "kmalloc_slab",
111450 + "kzalloc",
111451 + "kzalloc_node",
111452 +};
111453 +
111454 +static bool is_kalloc(const char *fnname)
111455 +{
111456 + size_t i;
111457 +
111458 + for (i = 0; i < ARRAY_SIZE(kalloc_functions); i++)
111459 + if (!strcmp(fnname, kalloc_functions[i]))
111460 + return true;
111461 + return false;
111462 +}
111463 +
111464 +static unsigned int execute_kallocstat(void)
111465 +{
111466 + basic_block bb;
111467 +
111468 + // 1. loop through BBs and GIMPLE statements
111469 + FOR_EACH_BB_FN(bb, cfun) {
111470 + gimple_stmt_iterator gsi;
111471 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
111472 + // gimple match:
111473 + tree fndecl, size;
111474 + gimple stmt;
111475 + const char *fnname;
111476 +
111477 + // is it a call
111478 + stmt = gsi_stmt(gsi);
111479 + if (!is_gimple_call(stmt))
111480 + continue;
111481 + fndecl = gimple_call_fndecl(stmt);
111482 + if (fndecl == NULL_TREE)
111483 + continue;
111484 + if (TREE_CODE(fndecl) != FUNCTION_DECL)
111485 + continue;
111486 +
111487 + // is it a call to k*alloc
111488 + fnname = DECL_NAME_POINTER(fndecl);
111489 + if (!is_kalloc(fnname))
111490 + continue;
111491 +
111492 + // is the size arg const or the result of a simple const assignment
111493 + size = gimple_call_arg(stmt, 0);
111494 + while (true) {
111495 + expanded_location xloc;
111496 + size_t size_val;
111497 +
111498 + if (TREE_CONSTANT(size)) {
111499 + xloc = expand_location(gimple_location(stmt));
111500 + if (!xloc.file)
111501 + xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
111502 + size_val = TREE_INT_CST_LOW(size);
111503 + fprintf(stderr, "kallocsize: %8zu %8zx %s %s:%u\n", size_val, size_val, fnname, xloc.file, xloc.line);
111504 + break;
111505 + }
111506 +
111507 + if (TREE_CODE(size) != SSA_NAME)
111508 + break;
111509 + stmt = SSA_NAME_DEF_STMT(size);
111510 +//debug_gimple_stmt(stmt);
111511 +//debug_tree(size);
111512 + if (!stmt || !is_gimple_assign(stmt))
111513 + break;
111514 + if (gimple_num_ops(stmt) != 2)
111515 + break;
111516 + size = gimple_assign_rhs1(stmt);
111517 + }
111518 +//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
111519 +//debug_tree(gimple_call_fn(call_stmt));
111520 +//print_node(stderr, "pax", fndecl, 4);
111521 + }
111522 + }
111523 +
111524 + return 0;
111525 +}
111526 +
111527 +#if BUILDING_GCC_VERSION >= 4009
111528 +static const struct pass_data kallocstat_pass_data = {
111529 +#else
111530 +static struct gimple_opt_pass kallocstat_pass = {
111531 + .pass = {
111532 +#endif
111533 + .type = GIMPLE_PASS,
111534 + .name = "kallocstat",
111535 +#if BUILDING_GCC_VERSION >= 4008
111536 + .optinfo_flags = OPTGROUP_NONE,
111537 +#endif
111538 +#if BUILDING_GCC_VERSION >= 4009
111539 + .has_gate = false,
111540 + .has_execute = true,
111541 +#else
111542 + .gate = NULL,
111543 + .execute = execute_kallocstat,
111544 + .sub = NULL,
111545 + .next = NULL,
111546 + .static_pass_number = 0,
111547 +#endif
111548 + .tv_id = TV_NONE,
111549 + .properties_required = 0,
111550 + .properties_provided = 0,
111551 + .properties_destroyed = 0,
111552 + .todo_flags_start = 0,
111553 + .todo_flags_finish = 0
111554 +#if BUILDING_GCC_VERSION < 4009
111555 + }
111556 +#endif
111557 +};
111558 +
111559 +#if BUILDING_GCC_VERSION >= 4009
111560 +namespace {
111561 +class kallocstat_pass : public gimple_opt_pass {
111562 +public:
111563 + kallocstat_pass() : gimple_opt_pass(kallocstat_pass_data, g) {}
111564 + unsigned int execute() { return execute_kallocstat(); }
111565 +};
111566 +}
111567 +
111568 +static opt_pass *make_kallocstat_pass(void)
111569 +{
111570 + return new kallocstat_pass();
111571 +}
111572 +#else
111573 +static struct opt_pass *make_kallocstat_pass(void)
111574 +{
111575 + return &kallocstat_pass.pass;
111576 +}
111577 +#endif
111578 +
111579 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
111580 +{
111581 + const char * const plugin_name = plugin_info->base_name;
111582 + struct register_pass_info kallocstat_pass_info;
111583 +
111584 + kallocstat_pass_info.pass = make_kallocstat_pass();
111585 + kallocstat_pass_info.reference_pass_name = "ssa";
111586 + kallocstat_pass_info.ref_pass_instance_number = 1;
111587 + kallocstat_pass_info.pos_op = PASS_POS_INSERT_AFTER;
111588 +
111589 + if (!plugin_default_version_check(version, &gcc_version)) {
111590 + error(G_("incompatible gcc/plugin versions"));
111591 + return 1;
111592 + }
111593 +
111594 + register_callback(plugin_name, PLUGIN_INFO, NULL, &kallocstat_plugin_info);
111595 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kallocstat_pass_info);
111596 +
111597 + return 0;
111598 +}
111599 diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c
111600 new file mode 100644
111601 index 0000000..89f256d
111602 --- /dev/null
111603 +++ b/tools/gcc/kernexec_plugin.c
111604 @@ -0,0 +1,522 @@
111605 +/*
111606 + * Copyright 2011-2014 by the PaX Team <pageexec@freemail.hu>
111607 + * Licensed under the GPL v2
111608 + *
111609 + * Note: the choice of the license means that the compilation process is
111610 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
111611 + * but for the kernel it doesn't matter since it doesn't link against
111612 + * any of the gcc libraries
111613 + *
111614 + * gcc plugin to make KERNEXEC/amd64 almost as good as it is on i386
111615 + *
111616 + * TODO:
111617 + *
111618 + * BUGS:
111619 + * - none known
111620 + */
111621 +
111622 +#include "gcc-common.h"
111623 +
111624 +int plugin_is_GPL_compatible;
111625 +
111626 +static struct plugin_info kernexec_plugin_info = {
111627 + .version = "201401260140",
111628 + .help = "method=[bts|or]\tinstrumentation method\n"
111629 +};
111630 +
111631 +static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *);
111632 +static void (*kernexec_instrument_retaddr)(rtx);
111633 +
111634 +/*
111635 + * add special KERNEXEC instrumentation: reload %r12 after it has been clobbered
111636 + */
111637 +static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi)
111638 +{
111639 + gimple asm_movabs_stmt;
111640 +
111641 + // build asm volatile("movabs $0x8000000000000000, %%r12\n\t" : : : );
111642 + asm_movabs_stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r12\n\t", NULL, NULL, NULL, NULL);
111643 + gimple_asm_set_volatile(asm_movabs_stmt, true);
111644 + gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING);
111645 + update_stmt(asm_movabs_stmt);
111646 +}
111647 +
111648 +/*
111649 + * find all asm() stmts that clobber r12 and add a reload of r12
111650 + */
111651 +static unsigned int execute_kernexec_reload(void)
111652 +{
111653 + basic_block bb;
111654 +
111655 + // 1. loop through BBs and GIMPLE statements
111656 + FOR_EACH_BB_FN(bb, cfun) {
111657 + gimple_stmt_iterator gsi;
111658 +
111659 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
111660 + // gimple match: __asm__ ("" : : : "r12");
111661 + gimple asm_stmt;
111662 + size_t nclobbers;
111663 +
111664 + // is it an asm ...
111665 + asm_stmt = gsi_stmt(gsi);
111666 + if (gimple_code(asm_stmt) != GIMPLE_ASM)
111667 + continue;
111668 +
111669 + // ... clobbering r12
111670 + nclobbers = gimple_asm_nclobbers(asm_stmt);
111671 + while (nclobbers--) {
111672 + tree op = gimple_asm_clobber_op(asm_stmt, nclobbers);
111673 + if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r12"))
111674 + continue;
111675 + kernexec_reload_fptr_mask(&gsi);
111676 +//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO);
111677 + break;
111678 + }
111679 + }
111680 + }
111681 +
111682 + return 0;
111683 +}
111684 +
111685 +/*
111686 + * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce
111687 + * a non-canonical address from a userland ptr and will just trigger a GPF on dereference
111688 + */
111689 +static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi)
111690 +{
111691 + gimple assign_intptr, assign_new_fptr, call_stmt;
111692 + tree intptr, orptr, old_fptr, new_fptr, kernexec_mask;
111693 +
111694 + call_stmt = gsi_stmt(*gsi);
111695 + old_fptr = gimple_call_fn(call_stmt);
111696 +
111697 + // create temporary unsigned long variable used for bitops and cast fptr to it
111698 + intptr = create_tmp_var(long_unsigned_type_node, "kernexec_bts");
111699 + add_referenced_var(intptr);
111700 + intptr = make_ssa_name(intptr, NULL);
111701 + assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr));
111702 + SSA_NAME_DEF_STMT(intptr) = assign_intptr;
111703 + gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
111704 + update_stmt(assign_intptr);
111705 +
111706 + // apply logical or to temporary unsigned long and bitmask
111707 + kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL);
111708 +// kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL);
111709 + orptr = fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask);
111710 + intptr = make_ssa_name(SSA_NAME_VAR(intptr), NULL);
111711 + assign_intptr = gimple_build_assign(intptr, orptr);
111712 + SSA_NAME_DEF_STMT(intptr) = assign_intptr;
111713 + gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
111714 + update_stmt(assign_intptr);
111715 +
111716 + // cast temporary unsigned long back to a temporary fptr variable
111717 + new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_fptr");
111718 + add_referenced_var(new_fptr);
111719 + new_fptr = make_ssa_name(new_fptr, NULL);
111720 + assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr));
111721 + SSA_NAME_DEF_STMT(new_fptr) = assign_new_fptr;
111722 + gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT);
111723 + update_stmt(assign_new_fptr);
111724 +
111725 + // replace call stmt fn with the new fptr
111726 + gimple_call_set_fn(call_stmt, new_fptr);
111727 + update_stmt(call_stmt);
111728 +}
111729 +
111730 +static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi)
111731 +{
111732 + gimple asm_or_stmt, call_stmt;
111733 + tree old_fptr, new_fptr, input, output;
111734 +#if BUILDING_GCC_VERSION <= 4007
111735 + VEC(tree, gc) *inputs = NULL;
111736 + VEC(tree, gc) *outputs = NULL;
111737 +#else
111738 + vec<tree, va_gc> *inputs = NULL;
111739 + vec<tree, va_gc> *outputs = NULL;
111740 +#endif
111741 +
111742 + call_stmt = gsi_stmt(*gsi);
111743 + old_fptr = gimple_call_fn(call_stmt);
111744 +
111745 + // create temporary fptr variable
111746 + new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_or");
111747 + add_referenced_var(new_fptr);
111748 + new_fptr = make_ssa_name(new_fptr, NULL);
111749 +
111750 + // build asm volatile("orq %%r12, %0\n\t" : "=r"(new_fptr) : "0"(old_fptr));
111751 + input = build_tree_list(NULL_TREE, build_string(1, "0"));
111752 + input = chainon(NULL_TREE, build_tree_list(input, old_fptr));
111753 + output = build_tree_list(NULL_TREE, build_string(2, "=r"));
111754 + output = chainon(NULL_TREE, build_tree_list(output, new_fptr));
111755 +#if BUILDING_GCC_VERSION <= 4007
111756 + VEC_safe_push(tree, gc, inputs, input);
111757 + VEC_safe_push(tree, gc, outputs, output);
111758 +#else
111759 + vec_safe_push(inputs, input);
111760 + vec_safe_push(outputs, output);
111761 +#endif
111762 + asm_or_stmt = gimple_build_asm_vec("orq %%r12, %0\n\t", inputs, outputs, NULL, NULL);
111763 + SSA_NAME_DEF_STMT(new_fptr) = asm_or_stmt;
111764 + gimple_asm_set_volatile(asm_or_stmt, true);
111765 + gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT);
111766 + update_stmt(asm_or_stmt);
111767 +
111768 + // replace call stmt fn with the new fptr
111769 + gimple_call_set_fn(call_stmt, new_fptr);
111770 + update_stmt(call_stmt);
111771 +}
111772 +
111773 +/*
111774 + * find all C level function pointer dereferences and forcibly set the highest bit of the pointer
111775 + */
111776 +static unsigned int execute_kernexec_fptr(void)
111777 +{
111778 + basic_block bb;
111779 +
111780 + // 1. loop through BBs and GIMPLE statements
111781 + FOR_EACH_BB_FN(bb, cfun) {
111782 + gimple_stmt_iterator gsi;
111783 +
111784 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
111785 + // gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D));
111786 + tree fn;
111787 + gimple call_stmt;
111788 +
111789 + // is it a call ...
111790 + call_stmt = gsi_stmt(gsi);
111791 + if (!is_gimple_call(call_stmt))
111792 + continue;
111793 + fn = gimple_call_fn(call_stmt);
111794 + if (TREE_CODE(fn) == ADDR_EXPR)
111795 + continue;
111796 + if (TREE_CODE(fn) != SSA_NAME)
111797 + gcc_unreachable();
111798 +
111799 + // ... through a function pointer
111800 + if (SSA_NAME_VAR(fn) != NULL_TREE) {
111801 + fn = SSA_NAME_VAR(fn);
111802 + if (TREE_CODE(fn) != VAR_DECL && TREE_CODE(fn) != PARM_DECL) {
111803 + debug_tree(fn);
111804 + gcc_unreachable();
111805 + }
111806 + }
111807 + fn = TREE_TYPE(fn);
111808 + if (TREE_CODE(fn) != POINTER_TYPE)
111809 + continue;
111810 + fn = TREE_TYPE(fn);
111811 + if (TREE_CODE(fn) != FUNCTION_TYPE)
111812 + continue;
111813 +
111814 + kernexec_instrument_fptr(&gsi);
111815 +
111816 +//debug_tree(gimple_call_fn(call_stmt));
111817 +//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
111818 + }
111819 + }
111820 +
111821 + return 0;
111822 +}
111823 +
111824 +// add special KERNEXEC instrumentation: btsq $63,(%rsp) just before retn
111825 +static void kernexec_instrument_retaddr_bts(rtx insn)
111826 +{
111827 + rtx btsq;
111828 + rtvec argvec, constraintvec, labelvec;
111829 + int line;
111830 +
111831 + // create asm volatile("btsq $63,(%%rsp)":::)
111832 + argvec = rtvec_alloc(0);
111833 + constraintvec = rtvec_alloc(0);
111834 + labelvec = rtvec_alloc(0);
111835 + line = expand_location(RTL_LOCATION(insn)).line;
111836 + btsq = gen_rtx_ASM_OPERANDS(VOIDmode, "btsq $63,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
111837 + MEM_VOLATILE_P(btsq) = 1;
111838 +// RTX_FRAME_RELATED_P(btsq) = 1; // not for ASM_OPERANDS
111839 + emit_insn_before(btsq, insn);
111840 +}
111841 +
111842 +// add special KERNEXEC instrumentation: orq %r12,(%rsp) just before retn
111843 +static void kernexec_instrument_retaddr_or(rtx insn)
111844 +{
111845 + rtx orq;
111846 + rtvec argvec, constraintvec, labelvec;
111847 + int line;
111848 +
111849 + // create asm volatile("orq %%r12,(%%rsp)":::)
111850 + argvec = rtvec_alloc(0);
111851 + constraintvec = rtvec_alloc(0);
111852 + labelvec = rtvec_alloc(0);
111853 + line = expand_location(RTL_LOCATION(insn)).line;
111854 + orq = gen_rtx_ASM_OPERANDS(VOIDmode, "orq %%r12,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line);
111855 + MEM_VOLATILE_P(orq) = 1;
111856 +// RTX_FRAME_RELATED_P(orq) = 1; // not for ASM_OPERANDS
111857 + emit_insn_before(orq, insn);
111858 +}
111859 +
111860 +/*
111861 + * find all asm level function returns and forcibly set the highest bit of the return address
111862 + */
111863 +static unsigned int execute_kernexec_retaddr(void)
111864 +{
111865 + rtx insn;
111866 +
111867 +// if (stack_realign_drap)
111868 +// inform(DECL_SOURCE_LOCATION(current_function_decl), "drap detected in %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl)));
111869 +
111870 + // 1. find function returns
111871 + for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
111872 + // rtl match: (jump_insn 41 40 42 2 (return) fptr.c:42 634 {return_internal} (nil))
111873 + // (jump_insn 12 9 11 2 (parallel [ (return) (unspec [ (0) ] UNSPEC_REP) ]) fptr.c:46 635 {return_internal_long} (nil))
111874 + // (jump_insn 97 96 98 6 (simple_return) fptr.c:50 -1 (nil) -> simple_return)
111875 + rtx body;
111876 +
111877 + // is it a retn
111878 + if (!JUMP_P(insn))
111879 + continue;
111880 + body = PATTERN(insn);
111881 + if (GET_CODE(body) == PARALLEL)
111882 + body = XVECEXP(body, 0, 0);
111883 + if (!ANY_RETURN_P(body))
111884 + continue;
111885 + kernexec_instrument_retaddr(insn);
111886 + }
111887 +
111888 +// print_simple_rtl(stderr, get_insns());
111889 +// print_rtl(stderr, get_insns());
111890 +
111891 + return 0;
111892 +}
111893 +
111894 +static bool kernexec_cmodel_check(void)
111895 +{
111896 + tree section;
111897 +
111898 + if (ix86_cmodel != CM_KERNEL)
111899 + return false;
111900 +
111901 + section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl));
111902 + if (!section || !TREE_VALUE(section))
111903 + return true;
111904 +
111905 + section = TREE_VALUE(TREE_VALUE(section));
111906 + if (strncmp(TREE_STRING_POINTER(section), ".vsyscall_", 10))
111907 + return true;
111908 +
111909 + return false;
111910 +}
111911 +
111912 +#if BUILDING_GCC_VERSION >= 4009
111913 +static const struct pass_data kernexec_reload_pass_data = {
111914 +#else
111915 +static struct gimple_opt_pass kernexec_reload_pass = {
111916 + .pass = {
111917 +#endif
111918 + .type = GIMPLE_PASS,
111919 + .name = "kernexec_reload",
111920 +#if BUILDING_GCC_VERSION >= 4008
111921 + .optinfo_flags = OPTGROUP_NONE,
111922 +#endif
111923 +#if BUILDING_GCC_VERSION >= 4009
111924 + .has_gate = true,
111925 + .has_execute = true,
111926 +#else
111927 + .gate = kernexec_cmodel_check,
111928 + .execute = execute_kernexec_reload,
111929 + .sub = NULL,
111930 + .next = NULL,
111931 + .static_pass_number = 0,
111932 +#endif
111933 + .tv_id = TV_NONE,
111934 + .properties_required = 0,
111935 + .properties_provided = 0,
111936 + .properties_destroyed = 0,
111937 + .todo_flags_start = 0,
111938 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
111939 +#if BUILDING_GCC_VERSION < 4009
111940 + }
111941 +#endif
111942 +};
111943 +
111944 +#if BUILDING_GCC_VERSION >= 4009
111945 +static const struct pass_data kernexec_fptr_pass_data = {
111946 +#else
111947 +static struct gimple_opt_pass kernexec_fptr_pass = {
111948 + .pass = {
111949 +#endif
111950 + .type = GIMPLE_PASS,
111951 + .name = "kernexec_fptr",
111952 +#if BUILDING_GCC_VERSION >= 4008
111953 + .optinfo_flags = OPTGROUP_NONE,
111954 +#endif
111955 +#if BUILDING_GCC_VERSION >= 4009
111956 + .has_gate = true,
111957 + .has_execute = true,
111958 +#else
111959 + .gate = kernexec_cmodel_check,
111960 + .execute = execute_kernexec_fptr,
111961 + .sub = NULL,
111962 + .next = NULL,
111963 + .static_pass_number = 0,
111964 +#endif
111965 + .tv_id = TV_NONE,
111966 + .properties_required = 0,
111967 + .properties_provided = 0,
111968 + .properties_destroyed = 0,
111969 + .todo_flags_start = 0,
111970 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
111971 +#if BUILDING_GCC_VERSION < 4009
111972 + }
111973 +#endif
111974 +};
111975 +
111976 +#if BUILDING_GCC_VERSION >= 4009
111977 +static const struct pass_data kernexec_retaddr_pass_data = {
111978 +#else
111979 +static struct rtl_opt_pass kernexec_retaddr_pass = {
111980 + .pass = {
111981 +#endif
111982 + .type = RTL_PASS,
111983 + .name = "kernexec_retaddr",
111984 +#if BUILDING_GCC_VERSION >= 4008
111985 + .optinfo_flags = OPTGROUP_NONE,
111986 +#endif
111987 +#if BUILDING_GCC_VERSION >= 4009
111988 + .has_gate = true,
111989 + .has_execute = true,
111990 +#else
111991 + .gate = kernexec_cmodel_check,
111992 + .execute = execute_kernexec_retaddr,
111993 + .sub = NULL,
111994 + .next = NULL,
111995 + .static_pass_number = 0,
111996 +#endif
111997 + .tv_id = TV_NONE,
111998 + .properties_required = 0,
111999 + .properties_provided = 0,
112000 + .properties_destroyed = 0,
112001 + .todo_flags_start = 0,
112002 + .todo_flags_finish = TODO_dump_func | TODO_ggc_collect
112003 +#if BUILDING_GCC_VERSION < 4009
112004 + }
112005 +#endif
112006 +};
112007 +
112008 +#if BUILDING_GCC_VERSION >= 4009
112009 +namespace {
112010 +class kernexec_reload_pass : public gimple_opt_pass {
112011 +public:
112012 + kernexec_reload_pass() : gimple_opt_pass(kernexec_reload_pass_data, g) {}
112013 + bool gate() { return kernexec_cmodel_check(); }
112014 + unsigned int execute() { return execute_kernexec_reload(); }
112015 +};
112016 +
112017 +class kernexec_fptr_pass : public gimple_opt_pass {
112018 +public:
112019 + kernexec_fptr_pass() : gimple_opt_pass(kernexec_fptr_pass_data, g) {}
112020 + bool gate() { return kernexec_cmodel_check(); }
112021 + unsigned int execute() { return execute_kernexec_fptr(); }
112022 +};
112023 +
112024 +class kernexec_retaddr_pass : public rtl_opt_pass {
112025 +public:
112026 + kernexec_retaddr_pass() : rtl_opt_pass(kernexec_retaddr_pass_data, g) {}
112027 + bool gate() { return kernexec_cmodel_check(); }
112028 + unsigned int execute() { return execute_kernexec_retaddr(); }
112029 +};
112030 +}
112031 +
112032 +static opt_pass *make_kernexec_reload_pass(void)
112033 +{
112034 + return new kernexec_reload_pass();
112035 +}
112036 +
112037 +static opt_pass *make_kernexec_fptr_pass(void)
112038 +{
112039 + return new kernexec_fptr_pass();
112040 +}
112041 +
112042 +static opt_pass *make_kernexec_retaddr_pass(void)
112043 +{
112044 + return new kernexec_retaddr_pass();
112045 +}
112046 +#else
112047 +static struct opt_pass *make_kernexec_reload_pass(void)
112048 +{
112049 + return &kernexec_reload_pass.pass;
112050 +}
112051 +
112052 +static struct opt_pass *make_kernexec_fptr_pass(void)
112053 +{
112054 + return &kernexec_fptr_pass.pass;
112055 +}
112056 +
112057 +static struct opt_pass *make_kernexec_retaddr_pass(void)
112058 +{
112059 + return &kernexec_retaddr_pass.pass;
112060 +}
112061 +#endif
112062 +
112063 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
112064 +{
112065 + const char * const plugin_name = plugin_info->base_name;
112066 + const int argc = plugin_info->argc;
112067 + const struct plugin_argument * const argv = plugin_info->argv;
112068 + int i;
112069 + struct register_pass_info kernexec_reload_pass_info;
112070 + struct register_pass_info kernexec_fptr_pass_info;
112071 + struct register_pass_info kernexec_retaddr_pass_info;
112072 +
112073 + kernexec_reload_pass_info.pass = make_kernexec_reload_pass();
112074 + kernexec_reload_pass_info.reference_pass_name = "ssa";
112075 + kernexec_reload_pass_info.ref_pass_instance_number = 1;
112076 + kernexec_reload_pass_info.pos_op = PASS_POS_INSERT_AFTER;
112077 +
112078 + kernexec_fptr_pass_info.pass = make_kernexec_fptr_pass();
112079 + kernexec_fptr_pass_info.reference_pass_name = "ssa";
112080 + kernexec_fptr_pass_info.ref_pass_instance_number = 1;
112081 + kernexec_fptr_pass_info.pos_op = PASS_POS_INSERT_AFTER;
112082 +
112083 + kernexec_retaddr_pass_info.pass = make_kernexec_retaddr_pass();
112084 + kernexec_retaddr_pass_info.reference_pass_name = "pro_and_epilogue";
112085 + kernexec_retaddr_pass_info.ref_pass_instance_number = 1;
112086 + kernexec_retaddr_pass_info.pos_op = PASS_POS_INSERT_AFTER;
112087 +
112088 + if (!plugin_default_version_check(version, &gcc_version)) {
112089 + error(G_("incompatible gcc/plugin versions"));
112090 + return 1;
112091 + }
112092 +
112093 + register_callback(plugin_name, PLUGIN_INFO, NULL, &kernexec_plugin_info);
112094 +
112095 + if (TARGET_64BIT == 0)
112096 + return 0;
112097 +
112098 + for (i = 0; i < argc; ++i) {
112099 + if (!strcmp(argv[i].key, "method")) {
112100 + if (!argv[i].value) {
112101 + error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
112102 + continue;
112103 + }
112104 + if (!strcmp(argv[i].value, "bts")) {
112105 + kernexec_instrument_fptr = kernexec_instrument_fptr_bts;
112106 + kernexec_instrument_retaddr = kernexec_instrument_retaddr_bts;
112107 + } else if (!strcmp(argv[i].value, "or")) {
112108 + kernexec_instrument_fptr = kernexec_instrument_fptr_or;
112109 + kernexec_instrument_retaddr = kernexec_instrument_retaddr_or;
112110 + fix_register("r12", 1, 1);
112111 + } else
112112 + error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
112113 + continue;
112114 + }
112115 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
112116 + }
112117 + if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr)
112118 + error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name);
112119 +
112120 + if (kernexec_instrument_fptr == kernexec_instrument_fptr_or)
112121 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info);
112122 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info);
112123 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info);
112124 +
112125 + return 0;
112126 +}
112127 diff --git a/tools/gcc/latent_entropy_plugin.c b/tools/gcc/latent_entropy_plugin.c
112128 new file mode 100644
112129 index 0000000..e48b323
112130 --- /dev/null
112131 +++ b/tools/gcc/latent_entropy_plugin.c
112132 @@ -0,0 +1,466 @@
112133 +/*
112134 + * Copyright 2012-2014 by the PaX Team <pageexec@freemail.hu>
112135 + * Licensed under the GPL v2
112136 + *
112137 + * Note: the choice of the license means that the compilation process is
112138 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
112139 + * but for the kernel it doesn't matter since it doesn't link against
112140 + * any of the gcc libraries
112141 + *
112142 + * gcc plugin to help generate a little bit of entropy from program state,
112143 + * used throughout the uptime of the kernel
112144 + *
112145 + * TODO:
112146 + * - add ipa pass to identify not explicitly marked candidate functions
112147 + * - mix in more program state (function arguments/return values, loop variables, etc)
112148 + * - more instrumentation control via attribute parameters
112149 + *
112150 + * BUGS:
112151 + * - LTO needs -flto-partition=none for now
112152 + */
112153 +
112154 +#include "gcc-common.h"
112155 +
112156 +int plugin_is_GPL_compatible;
112157 +
112158 +static tree latent_entropy_decl;
112159 +
112160 +static struct plugin_info latent_entropy_plugin_info = {
112161 + .version = "201409101820",
112162 + .help = NULL
112163 +};
112164 +
112165 +static unsigned HOST_WIDE_INT seed;
112166 +static unsigned HOST_WIDE_INT get_random_const(void)
112167 +{
112168 + unsigned int i;
112169 + unsigned HOST_WIDE_INT ret = 0;
112170 +
112171 + for (i = 0; i < 8 * sizeof ret; i++) {
112172 + ret = (ret << 1) | (seed & 1);
112173 + seed >>= 1;
112174 + if (ret & 1)
112175 + seed ^= 0xD800000000000000ULL;
112176 + }
112177 +
112178 + return ret;
112179 +}
112180 +
112181 +static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
112182 +{
112183 + tree type;
112184 + unsigned long long mask;
112185 +#if BUILDING_GCC_VERSION <= 4007
112186 + VEC(constructor_elt, gc) *vals;
112187 +#else
112188 + vec<constructor_elt, va_gc> *vals;
112189 +#endif
112190 +
112191 + switch (TREE_CODE(*node)) {
112192 + default:
112193 + *no_add_attrs = true;
112194 + error("%qE attribute only applies to functions and variables", name);
112195 + break;
112196 +
112197 + case VAR_DECL:
112198 + if (DECL_INITIAL(*node)) {
112199 + *no_add_attrs = true;
112200 + error("variable %qD with %qE attribute must not be initialized", *node, name);
112201 + break;
112202 + }
112203 +
112204 + if (!TREE_STATIC(*node)) {
112205 + *no_add_attrs = true;
112206 + error("variable %qD with %qE attribute must not be local", *node, name);
112207 + break;
112208 + }
112209 +
112210 + type = TREE_TYPE(*node);
112211 + switch (TREE_CODE(type)) {
112212 + default:
112213 + *no_add_attrs = true;
112214 + error("variable %qD with %qE attribute must be an integer or a fixed length integer array type or a fixed sized structure with integer fields", *node, name);
112215 + break;
112216 +
112217 + case RECORD_TYPE: {
112218 + tree field;
112219 + unsigned int nelt = 0;
112220 +
112221 + for (field = TYPE_FIELDS(type); field; nelt++, field = TREE_CHAIN(field)) {
112222 + tree fieldtype;
112223 +
112224 + fieldtype = TREE_TYPE(field);
112225 + if (TREE_CODE(fieldtype) != INTEGER_TYPE) {
112226 + *no_add_attrs = true;
112227 + error("structure variable %qD with %qE attribute has a non-integer field %qE", *node, name, field);
112228 + break;
112229 + }
112230 + }
112231 +
112232 + if (field)
112233 + break;
112234 +
112235 +#if BUILDING_GCC_VERSION <= 4007
112236 + vals = VEC_alloc(constructor_elt, gc, nelt);
112237 +#else
112238 + vec_alloc(vals, nelt);
112239 +#endif
112240 +
112241 + for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) {
112242 + tree fieldtype;
112243 +
112244 + fieldtype = TREE_TYPE(field);
112245 + mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(fieldtype)) - 1);
112246 + mask = 2 * (mask - 1) + 1;
112247 +
112248 + if (TYPE_UNSIGNED(fieldtype))
112249 + CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cstu(fieldtype, mask & get_random_const()));
112250 + else
112251 + CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cst(fieldtype, mask & get_random_const()));
112252 + }
112253 +
112254 + DECL_INITIAL(*node) = build_constructor(type, vals);
112255 +//debug_tree(DECL_INITIAL(*node));
112256 + break;
112257 + }
112258 +
112259 + case INTEGER_TYPE:
112260 + mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(type)) - 1);
112261 + mask = 2 * (mask - 1) + 1;
112262 +
112263 + if (TYPE_UNSIGNED(type))
112264 + DECL_INITIAL(*node) = build_int_cstu(type, mask & get_random_const());
112265 + else
112266 + DECL_INITIAL(*node) = build_int_cst(type, mask & get_random_const());
112267 + break;
112268 +
112269 + case ARRAY_TYPE: {
112270 + tree elt_type, array_size, elt_size;
112271 + unsigned int i, nelt;
112272 +
112273 + elt_type = TREE_TYPE(type);
112274 + elt_size = TYPE_SIZE_UNIT(TREE_TYPE(type));
112275 + array_size = TYPE_SIZE_UNIT(type);
112276 +
112277 + if (TREE_CODE(elt_type) != INTEGER_TYPE || !array_size || TREE_CODE(array_size) != INTEGER_CST) {
112278 + *no_add_attrs = true;
112279 + error("array variable %qD with %qE attribute must be a fixed length integer array type", *node, name);
112280 + break;
112281 + }
112282 +
112283 + nelt = TREE_INT_CST_LOW(array_size) / TREE_INT_CST_LOW(elt_size);
112284 +#if BUILDING_GCC_VERSION <= 4007
112285 + vals = VEC_alloc(constructor_elt, gc, nelt);
112286 +#else
112287 + vec_alloc(vals, nelt);
112288 +#endif
112289 +
112290 + mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(elt_type)) - 1);
112291 + mask = 2 * (mask - 1) + 1;
112292 +
112293 + for (i = 0; i < nelt; i++)
112294 + if (TYPE_UNSIGNED(elt_type))
112295 + CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cstu(elt_type, mask & get_random_const()));
112296 + else
112297 + CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cst(elt_type, mask & get_random_const()));
112298 +
112299 + DECL_INITIAL(*node) = build_constructor(type, vals);
112300 +//debug_tree(DECL_INITIAL(*node));
112301 + break;
112302 + }
112303 + }
112304 + break;
112305 +
112306 + case FUNCTION_DECL:
112307 + break;
112308 + }
112309 +
112310 + return NULL_TREE;
112311 +}
112312 +
112313 +static struct attribute_spec latent_entropy_attr = {
112314 + .name = "latent_entropy",
112315 + .min_length = 0,
112316 + .max_length = 0,
112317 + .decl_required = true,
112318 + .type_required = false,
112319 + .function_type_required = false,
112320 + .handler = handle_latent_entropy_attribute,
112321 +#if BUILDING_GCC_VERSION >= 4007
112322 + .affects_type_identity = false
112323 +#endif
112324 +};
112325 +
112326 +static void register_attributes(void *event_data, void *data)
112327 +{
112328 + register_attribute(&latent_entropy_attr);
112329 +}
112330 +
112331 +static bool gate_latent_entropy(void)
112332 +{
112333 + // don't bother with noreturn functions for now
112334 + if (TREE_THIS_VOLATILE(current_function_decl))
112335 + return false;
112336 +
112337 + // gcc-4.5 doesn't discover some trivial noreturn functions
112338 + if (EDGE_COUNT(EXIT_BLOCK_PTR_FOR_FN(cfun)->preds) == 0)
112339 + return false;
112340 +
112341 + return lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl)) != NULL_TREE;
112342 +}
112343 +
112344 +static enum tree_code get_op(tree *rhs)
112345 +{
112346 + static enum tree_code op;
112347 + unsigned HOST_WIDE_INT random_const;
112348 +
112349 + random_const = get_random_const();
112350 +
112351 + switch (op) {
112352 + case BIT_XOR_EXPR:
112353 + op = PLUS_EXPR;
112354 + break;
112355 +
112356 + case PLUS_EXPR:
112357 + if (rhs) {
112358 + op = LROTATE_EXPR;
112359 + random_const &= HOST_BITS_PER_WIDE_INT - 1;
112360 + break;
112361 + }
112362 +
112363 + case LROTATE_EXPR:
112364 + default:
112365 + op = BIT_XOR_EXPR;
112366 + break;
112367 + }
112368 + if (rhs)
112369 + *rhs = build_int_cstu(unsigned_intDI_type_node, random_const);
112370 + return op;
112371 +}
112372 +
112373 +static void perturb_local_entropy(basic_block bb, tree local_entropy)
112374 +{
112375 + gimple_stmt_iterator gsi;
112376 + gimple assign;
112377 + tree addxorrol, rhs;
112378 + enum tree_code op;
112379 +
112380 + op = get_op(&rhs);
112381 + addxorrol = fold_build2_loc(UNKNOWN_LOCATION, op, unsigned_intDI_type_node, local_entropy, rhs);
112382 + assign = gimple_build_assign(local_entropy, addxorrol);
112383 + gsi = gsi_after_labels(bb);
112384 + gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
112385 + update_stmt(assign);
112386 +//debug_bb(bb);
112387 +}
112388 +
112389 +static void perturb_latent_entropy(basic_block bb, tree rhs)
112390 +{
112391 + gimple_stmt_iterator gsi;
112392 + gimple assign;
112393 + tree addxorrol, temp;
112394 +
112395 + // 1. create temporary copy of latent_entropy
112396 + temp = create_tmp_var(unsigned_intDI_type_node, "temp_latent_entropy");
112397 + add_referenced_var(temp);
112398 +
112399 + // 2. read...
112400 + temp = make_ssa_name(temp, NULL);
112401 + assign = gimple_build_assign(temp, latent_entropy_decl);
112402 + SSA_NAME_DEF_STMT(temp) = assign;
112403 + add_referenced_var(latent_entropy_decl);
112404 + gsi = gsi_after_labels(bb);
112405 + gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
112406 + update_stmt(assign);
112407 +
112408 + // 3. ...modify...
112409 + addxorrol = fold_build2_loc(UNKNOWN_LOCATION, get_op(NULL), unsigned_intDI_type_node, temp, rhs);
112410 + temp = make_ssa_name(SSA_NAME_VAR(temp), NULL);
112411 + assign = gimple_build_assign(temp, addxorrol);
112412 + SSA_NAME_DEF_STMT(temp) = assign;
112413 + gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
112414 + update_stmt(assign);
112415 +
112416 + // 4. ...write latent_entropy
112417 + assign = gimple_build_assign(latent_entropy_decl, temp);
112418 + gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
112419 + update_stmt(assign);
112420 +}
112421 +
112422 +static unsigned int execute_latent_entropy(void)
112423 +{
112424 + basic_block bb;
112425 + gimple assign;
112426 + gimple_stmt_iterator gsi;
112427 + tree local_entropy;
112428 +
112429 + if (!latent_entropy_decl) {
112430 +#if BUILDING_GCC_VERSION >= 4009
112431 + varpool_node *node;
112432 +#else
112433 + struct varpool_node *node;
112434 +#endif
112435 +
112436 + FOR_EACH_VARIABLE(node) {
112437 + tree var = NODE_DECL(node);
112438 +
112439 + if (strcmp(IDENTIFIER_POINTER(DECL_NAME(var)), "latent_entropy"))
112440 + continue;
112441 + latent_entropy_decl = var;
112442 +// debug_tree(var);
112443 + break;
112444 + }
112445 + if (!latent_entropy_decl) {
112446 +// debug_tree(current_function_decl);
112447 + return 0;
112448 + }
112449 + }
112450 +
112451 +//fprintf(stderr, "latent_entropy: %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl)));
112452 +
112453 + // 1. create local entropy variable
112454 + local_entropy = create_tmp_var(unsigned_intDI_type_node, "local_entropy");
112455 + add_referenced_var(local_entropy);
112456 + mark_sym_for_renaming(local_entropy);
112457 +
112458 + // 2. initialize local entropy variable
112459 + bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest;
112460 + if (dom_info_available_p(CDI_DOMINATORS))
112461 + set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun));
112462 + gsi = gsi_start_bb(bb);
112463 +
112464 + assign = gimple_build_assign(local_entropy, build_int_cstu(unsigned_intDI_type_node, get_random_const()));
112465 +// gimple_set_location(assign, loc);
112466 + gsi_insert_after(&gsi, assign, GSI_NEW_STMT);
112467 + update_stmt(assign);
112468 +//debug_bb(bb);
112469 + gcc_assert(single_succ_p(bb));
112470 + bb = single_succ(bb);
112471 +
112472 + // 3. instrument each BB with an operation on the local entropy variable
112473 + while (bb != EXIT_BLOCK_PTR_FOR_FN(cfun)) {
112474 + perturb_local_entropy(bb, local_entropy);
112475 +//debug_bb(bb);
112476 + bb = bb->next_bb;
112477 + };
112478 +
112479 + // 4. mix local entropy into the global entropy variable
112480 + gcc_assert(single_pred_p(EXIT_BLOCK_PTR_FOR_FN(cfun)));
112481 + perturb_latent_entropy(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun)), local_entropy);
112482 +//debug_bb(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun)));
112483 + return 0;
112484 +}
112485 +
112486 +static void latent_entropy_start_unit(void *gcc_data, void *user_data)
112487 +{
112488 + tree latent_entropy_type;
112489 +
112490 + seed = get_random_seed(false);
112491 +
112492 + if (in_lto_p)
112493 + return;
112494 +
112495 + // extern volatile u64 latent_entropy
112496 + gcc_assert(TYPE_PRECISION(long_long_unsigned_type_node) == 64);
112497 + latent_entropy_type = build_qualified_type(long_long_unsigned_type_node, TYPE_QUALS(long_long_unsigned_type_node) | TYPE_QUAL_VOLATILE);
112498 + latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, get_identifier("latent_entropy"), latent_entropy_type);
112499 +
112500 + TREE_STATIC(latent_entropy_decl) = 1;
112501 + TREE_PUBLIC(latent_entropy_decl) = 1;
112502 + TREE_USED(latent_entropy_decl) = 1;
112503 + TREE_THIS_VOLATILE(latent_entropy_decl) = 1;
112504 + DECL_EXTERNAL(latent_entropy_decl) = 1;
112505 + DECL_ARTIFICIAL(latent_entropy_decl) = 1;
112506 + lang_hooks.decls.pushdecl(latent_entropy_decl);
112507 +// DECL_ASSEMBLER_NAME(latent_entropy_decl);
112508 +// varpool_finalize_decl(latent_entropy_decl);
112509 +// varpool_mark_needed_node(latent_entropy_decl);
112510 +}
112511 +
112512 +#if BUILDING_GCC_VERSION >= 4009
112513 +static const struct pass_data latent_entropy_pass_data = {
112514 +#else
112515 +static struct gimple_opt_pass latent_entropy_pass = {
112516 + .pass = {
112517 +#endif
112518 + .type = GIMPLE_PASS,
112519 + .name = "latent_entropy",
112520 +#if BUILDING_GCC_VERSION >= 4008
112521 + .optinfo_flags = OPTGROUP_NONE,
112522 +#endif
112523 +#if BUILDING_GCC_VERSION >= 4009
112524 + .has_gate = true,
112525 + .has_execute = true,
112526 +#else
112527 + .gate = gate_latent_entropy,
112528 + .execute = execute_latent_entropy,
112529 + .sub = NULL,
112530 + .next = NULL,
112531 + .static_pass_number = 0,
112532 +#endif
112533 + .tv_id = TV_NONE,
112534 + .properties_required = PROP_gimple_leh | PROP_cfg,
112535 + .properties_provided = 0,
112536 + .properties_destroyed = 0,
112537 + .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
112538 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa
112539 +#if BUILDING_GCC_VERSION < 4009
112540 + }
112541 +#endif
112542 +};
112543 +
112544 +#if BUILDING_GCC_VERSION >= 4009
112545 +namespace {
112546 +class latent_entropy_pass : public gimple_opt_pass {
112547 +public:
112548 + latent_entropy_pass() : gimple_opt_pass(latent_entropy_pass_data, g) {}
112549 + bool gate() { return gate_latent_entropy(); }
112550 + unsigned int execute() { return execute_latent_entropy(); }
112551 +};
112552 +}
112553 +
112554 +static opt_pass *make_latent_entropy_pass(void)
112555 +{
112556 + return new latent_entropy_pass();
112557 +}
112558 +#else
112559 +static struct opt_pass *make_latent_entropy_pass(void)
112560 +{
112561 + return &latent_entropy_pass.pass;
112562 +}
112563 +#endif
112564 +
112565 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
112566 +{
112567 + const char * const plugin_name = plugin_info->base_name;
112568 + struct register_pass_info latent_entropy_pass_info;
112569 +
112570 + latent_entropy_pass_info.pass = make_latent_entropy_pass();
112571 + latent_entropy_pass_info.reference_pass_name = "optimized";
112572 + latent_entropy_pass_info.ref_pass_instance_number = 1;
112573 + latent_entropy_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
112574 + static const struct ggc_root_tab gt_ggc_r_gt_latent_entropy[] = {
112575 + {
112576 + .base = &latent_entropy_decl,
112577 + .nelt = 1,
112578 + .stride = sizeof(latent_entropy_decl),
112579 + .cb = &gt_ggc_mx_tree_node,
112580 + .pchw = &gt_pch_nx_tree_node
112581 + },
112582 + LAST_GGC_ROOT_TAB
112583 + };
112584 +
112585 + if (!plugin_default_version_check(version, &gcc_version)) {
112586 + error(G_("incompatible gcc/plugin versions"));
112587 + return 1;
112588 + }
112589 +
112590 + register_callback(plugin_name, PLUGIN_INFO, NULL, &latent_entropy_plugin_info);
112591 + register_callback(plugin_name, PLUGIN_START_UNIT, &latent_entropy_start_unit, NULL);
112592 + if (!in_lto_p)
112593 + register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_latent_entropy);
112594 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &latent_entropy_pass_info);
112595 + register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
112596 +
112597 + return 0;
112598 +}
112599 diff --git a/tools/gcc/randomize_layout_plugin.c b/tools/gcc/randomize_layout_plugin.c
112600 new file mode 100644
112601 index 0000000..a5cb46b
112602 --- /dev/null
112603 +++ b/tools/gcc/randomize_layout_plugin.c
112604 @@ -0,0 +1,915 @@
112605 +/*
112606 + * Copyright 2014 by Open Source Security, Inc., Brad Spengler <spender@grsecurity.net>
112607 + * and PaX Team <pageexec@freemail.hu>
112608 + * Licensed under the GPL v2
112609 + *
112610 + * Usage:
112611 + * $ # for 4.5/4.6/C based 4.7
112612 + * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c
112613 + * $ # for C++ based 4.7/4.8+
112614 + * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c
112615 + * $ gcc -fplugin=./randomize_layout_plugin.so test.c -O2
112616 + */
112617 +
112618 +#include "gcc-common.h"
112619 +#include "randomize_layout_seed.h"
112620 +
112621 +#if BUILDING_GCC_MAJOR < 4 || BUILDING_GCC_MINOR < 6 || (BUILDING_GCC_MINOR == 6 && BUILDING_GCC_PATCHLEVEL < 4)
112622 +#error "The RANDSTRUCT plugin requires GCC 4.6.4 or newer."
112623 +#endif
112624 +
112625 +#define ORIG_TYPE_NAME(node) \
112626 + (TYPE_NAME(TYPE_MAIN_VARIANT(node)) != NULL_TREE ? ((const unsigned char *)IDENTIFIER_POINTER(TYPE_NAME(TYPE_MAIN_VARIANT(node)))) : (const unsigned char *)"anonymous")
112627 +
112628 +int plugin_is_GPL_compatible;
112629 +
112630 +static int performance_mode;
112631 +
112632 +static struct plugin_info randomize_layout_plugin_info = {
112633 + .version = "201402201816",
112634 + .help = "disable\t\t\tdo not activate plugin\n"
112635 + "performance-mode\tenable cacheline-aware layout randomization\n"
112636 +};
112637 +
112638 +/* from old Linux dcache.h */
112639 +static inline unsigned long
112640 +partial_name_hash(unsigned long c, unsigned long prevhash)
112641 +{
112642 + return (prevhash + (c << 4) + (c >> 4)) * 11;
112643 +}
112644 +static inline unsigned int
112645 +name_hash(const unsigned char *name)
112646 +{
112647 + unsigned long hash = 0;
112648 + unsigned int len = strlen((const char *)name);
112649 + while (len--)
112650 + hash = partial_name_hash(*name++, hash);
112651 + return (unsigned int)hash;
112652 +}
112653 +
112654 +static tree handle_randomize_layout_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
112655 +{
112656 + tree type;
112657 +
112658 + *no_add_attrs = true;
112659 + if (TREE_CODE(*node) == FUNCTION_DECL) {
112660 + error("%qE attribute does not apply to functions (%qF)", name, *node);
112661 + return NULL_TREE;
112662 + }
112663 +
112664 + if (TREE_CODE(*node) == PARM_DECL) {
112665 + error("%qE attribute does not apply to function parameters (%qD)", name, *node);
112666 + return NULL_TREE;
112667 + }
112668 +
112669 + if (TREE_CODE(*node) == VAR_DECL) {
112670 + error("%qE attribute does not apply to variables (%qD)", name, *node);
112671 + return NULL_TREE;
112672 + }
112673 +
112674 + if (TYPE_P(*node)) {
112675 + type = *node;
112676 + } else {
112677 + gcc_assert(TREE_CODE(*node) == TYPE_DECL);
112678 + type = TREE_TYPE(*node);
112679 + }
112680 +
112681 + if (TREE_CODE(type) != RECORD_TYPE) {
112682 + error("%qE attribute used on %qT applies to struct types only", name, type);
112683 + return NULL_TREE;
112684 + }
112685 +
112686 + if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) {
112687 + error("%qE attribute is already applied to the type %qT", name, type);
112688 + return NULL_TREE;
112689 + }
112690 +
112691 + *no_add_attrs = false;
112692 +
112693 + return NULL_TREE;
112694 +}
112695 +
112696 +/* set on complete types that we don't need to inspect further at all */
112697 +static tree handle_randomize_considered_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
112698 +{
112699 + *no_add_attrs = false;
112700 + return NULL_TREE;
112701 +}
112702 +
112703 +/*
112704 + * set on types that we've performed a shuffle on, to prevent re-shuffling
112705 + * this does not preclude us from inspecting its fields for potential shuffles
112706 + */
112707 +static tree handle_randomize_performed_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
112708 +{
112709 + *no_add_attrs = false;
112710 + return NULL_TREE;
112711 +}
112712 +
112713 +/*
112714 + * 64bit variant of Bob Jenkins' public domain PRNG
112715 + * 256 bits of internal state
112716 + */
112717 +
112718 +typedef unsigned long long u64;
112719 +
112720 +typedef struct ranctx { u64 a; u64 b; u64 c; u64 d; } ranctx;
112721 +
112722 +#define rot(x,k) (((x)<<(k))|((x)>>(64-(k))))
112723 +static u64 ranval(ranctx *x) {
112724 + u64 e = x->a - rot(x->b, 7);
112725 + x->a = x->b ^ rot(x->c, 13);
112726 + x->b = x->c + rot(x->d, 37);
112727 + x->c = x->d + e;
112728 + x->d = e + x->a;
112729 + return x->d;
112730 +}
112731 +
112732 +static void raninit(ranctx *x, u64 *seed) {
112733 + int i;
112734 +
112735 + x->a = seed[0];
112736 + x->b = seed[1];
112737 + x->c = seed[2];
112738 + x->d = seed[3];
112739 +
112740 + for (i=0; i < 30; ++i)
112741 + (void)ranval(x);
112742 +}
112743 +
112744 +static u64 shuffle_seed[4];
112745 +
112746 +struct partition_group {
112747 + tree tree_start;
112748 + unsigned long start;
112749 + unsigned long length;
112750 +};
112751 +
112752 +static void partition_struct(tree *fields, unsigned long length, struct partition_group *size_groups, unsigned long *num_groups)
112753 +{
112754 + unsigned long i;
112755 + unsigned long accum_size = 0;
112756 + unsigned long accum_length = 0;
112757 + unsigned long group_idx = 0;
112758 +
112759 + gcc_assert(length < INT_MAX);
112760 +
112761 + memset(size_groups, 0, sizeof(struct partition_group) * length);
112762 +
112763 + for (i = 0; i < length; i++) {
112764 + if (size_groups[group_idx].tree_start == NULL_TREE) {
112765 + size_groups[group_idx].tree_start = fields[i];
112766 + size_groups[group_idx].start = i;
112767 + accum_length = 0;
112768 + accum_size = 0;
112769 + }
112770 + accum_size += (unsigned long)int_size_in_bytes(TREE_TYPE(fields[i]));
112771 + accum_length++;
112772 + if (accum_size >= 64) {
112773 + size_groups[group_idx].length = accum_length;
112774 + accum_length = 0;
112775 + group_idx++;
112776 + }
112777 + }
112778 +
112779 + if (size_groups[group_idx].tree_start != NULL_TREE &&
112780 + !size_groups[group_idx].length) {
112781 + size_groups[group_idx].length = accum_length;
112782 + group_idx++;
112783 + }
112784 +
112785 + *num_groups = group_idx;
112786 +}
112787 +
112788 +static void performance_shuffle(tree *newtree, unsigned long length, ranctx *prng_state)
112789 +{
112790 + unsigned long i, x;
112791 + struct partition_group size_group[length];
112792 + unsigned long num_groups = 0;
112793 + unsigned long randnum;
112794 +
112795 + partition_struct(newtree, length, (struct partition_group *)&size_group, &num_groups);
112796 + for (i = num_groups - 1; i > 0; i--) {
112797 + struct partition_group tmp;
112798 + randnum = ranval(prng_state) % (i + 1);
112799 + tmp = size_group[i];
112800 + size_group[i] = size_group[randnum];
112801 + size_group[randnum] = tmp;
112802 + }
112803 +
112804 + for (x = 0; x < num_groups; x++) {
112805 + for (i = size_group[x].start + size_group[x].length - 1; i > size_group[x].start; i--) {
112806 + tree tmp;
112807 + if (DECL_BIT_FIELD_TYPE(newtree[i]))
112808 + continue;
112809 + randnum = ranval(prng_state) % (i + 1);
112810 + // we could handle this case differently if desired
112811 + if (DECL_BIT_FIELD_TYPE(newtree[randnum]))
112812 + continue;
112813 + tmp = newtree[i];
112814 + newtree[i] = newtree[randnum];
112815 + newtree[randnum] = tmp;
112816 + }
112817 + }
112818 +}
112819 +
112820 +static void full_shuffle(tree *newtree, unsigned long length, ranctx *prng_state)
112821 +{
112822 + unsigned long i, randnum;
112823 +
112824 + for (i = length - 1; i > 0; i--) {
112825 + tree tmp;
112826 + randnum = ranval(prng_state) % (i + 1);
112827 + tmp = newtree[i];
112828 + newtree[i] = newtree[randnum];
112829 + newtree[randnum] = tmp;
112830 + }
112831 +}
112832 +
112833 +/* modern in-place Fisher-Yates shuffle */
112834 +static void shuffle(const_tree type, tree *newtree, unsigned long length)
112835 +{
112836 + unsigned long i;
112837 + u64 seed[4];
112838 + ranctx prng_state;
112839 + const unsigned char *structname;
112840 +
112841 + if (length == 0)
112842 + return;
112843 +
112844 + gcc_assert(TREE_CODE(type) == RECORD_TYPE);
112845 +
112846 + structname = ORIG_TYPE_NAME(type);
112847 +
112848 +#ifdef __DEBUG_PLUGIN
112849 + fprintf(stderr, "Shuffling struct %s %p\n", (const char *)structname, type);
112850 +#ifdef __DEBUG_VERBOSE
112851 + debug_tree((tree)type);
112852 +#endif
112853 +#endif
112854 +
112855 + for (i = 0; i < 4; i++) {
112856 + seed[i] = shuffle_seed[i];
112857 + seed[i] ^= name_hash(structname);
112858 + }
112859 +
112860 + raninit(&prng_state, (u64 *)&seed);
112861 +
112862 + if (performance_mode)
112863 + performance_shuffle(newtree, length, &prng_state);
112864 + else
112865 + full_shuffle(newtree, length, &prng_state);
112866 +}
112867 +
112868 +static bool is_flexible_array(const_tree field)
112869 +{
112870 + const_tree fieldtype;
112871 + const_tree typesize;
112872 + const_tree elemtype;
112873 + const_tree elemsize;
112874 +
112875 + fieldtype = TREE_TYPE(field);
112876 + typesize = TYPE_SIZE(fieldtype);
112877 +
112878 + if (TREE_CODE(fieldtype) != ARRAY_TYPE)
112879 + return false;
112880 +
112881 + elemtype = TREE_TYPE(fieldtype);
112882 + elemsize = TYPE_SIZE(elemtype);
112883 +
112884 + /* size of type is represented in bits */
112885 +
112886 + if (typesize == NULL_TREE && TYPE_DOMAIN(fieldtype) != NULL_TREE &&
112887 + TYPE_MAX_VALUE(TYPE_DOMAIN(fieldtype)) == NULL_TREE)
112888 + return true;
112889 +
112890 + if (typesize != NULL_TREE &&
112891 + (TREE_CONSTANT(typesize) && (!TREE_INT_CST_LOW(typesize) ||
112892 + TREE_INT_CST_LOW(typesize) == TREE_INT_CST_LOW(elemsize))))
112893 + return true;
112894 +
112895 + return false;
112896 +}
112897 +
112898 +static int relayout_struct(tree type)
112899 +{
112900 + unsigned long num_fields = (unsigned long)list_length(TYPE_FIELDS(type));
112901 + unsigned long shuffle_length = num_fields;
112902 + tree field;
112903 + tree newtree[num_fields];
112904 + unsigned long i;
112905 + tree list;
112906 + tree variant;
112907 + expanded_location xloc;
112908 +
112909 + if (TYPE_FIELDS(type) == NULL_TREE)
112910 + return 0;
112911 +
112912 + if (num_fields < 2)
112913 + return 0;
112914 +
112915 + gcc_assert(TREE_CODE(type) == RECORD_TYPE);
112916 +
112917 + gcc_assert(num_fields < INT_MAX);
112918 +
112919 + if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type)) ||
112920 + lookup_attribute("no_randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type))))
112921 + return 0;
112922 +
112923 + /* Workaround for 3rd-party VirtualBox source that we can't modify ourselves */
112924 + if (!strcmp((const char *)ORIG_TYPE_NAME(type), "INTNETTRUNKFACTORY") ||
112925 + !strcmp((const char *)ORIG_TYPE_NAME(type), "RAWPCIFACTORY"))
112926 + return 0;
112927 +
112928 + /* throw out any structs in uapi */
112929 + xloc = expand_location(DECL_SOURCE_LOCATION(TYPE_FIELDS(type)));
112930 +
112931 + if (strstr(xloc.file, "/uapi/"))
112932 + error(G_("attempted to randomize userland API struct %s"), ORIG_TYPE_NAME(type));
112933 +
112934 + for (field = TYPE_FIELDS(type), i = 0; field; field = TREE_CHAIN(field), i++) {
112935 + gcc_assert(TREE_CODE(field) == FIELD_DECL);
112936 + newtree[i] = field;
112937 + }
112938 +
112939 + /*
112940 + * enforce that we don't randomize the layout of the last
112941 + * element of a struct if it's a 0 or 1-length array
112942 + * or a proper flexible array
112943 + */
112944 + if (is_flexible_array(newtree[num_fields - 1]))
112945 + shuffle_length--;
112946 +
112947 + shuffle(type, (tree *)newtree, shuffle_length);
112948 +
112949 + /*
112950 + * set up a bogus anonymous struct field designed to error out on unnamed struct initializers
112951 + * as gcc provides no other way to detect such code
112952 + */
112953 + list = make_node(FIELD_DECL);
112954 + TREE_CHAIN(list) = newtree[0];
112955 + TREE_TYPE(list) = void_type_node;
112956 + DECL_SIZE(list) = bitsize_zero_node;
112957 + DECL_NONADDRESSABLE_P(list) = 1;
112958 + DECL_FIELD_BIT_OFFSET(list) = bitsize_zero_node;
112959 + DECL_SIZE_UNIT(list) = size_zero_node;
112960 + DECL_FIELD_OFFSET(list) = size_zero_node;
112961 + // to satisfy the constify plugin
112962 + TREE_READONLY(list) = 1;
112963 +
112964 + for (i = 0; i < num_fields - 1; i++)
112965 + TREE_CHAIN(newtree[i]) = newtree[i+1];
112966 + TREE_CHAIN(newtree[num_fields - 1]) = NULL_TREE;
112967 +
112968 + for (variant = TYPE_MAIN_VARIANT(type); variant; variant = TYPE_NEXT_VARIANT(variant)) {
112969 + TYPE_FIELDS(variant) = list;
112970 + TYPE_ATTRIBUTES(variant) = copy_list(TYPE_ATTRIBUTES(variant));
112971 + TYPE_ATTRIBUTES(variant) = tree_cons(get_identifier("randomize_performed"), NULL_TREE, TYPE_ATTRIBUTES(variant));
112972 + // force a re-layout
112973 + TYPE_SIZE(variant) = NULL_TREE;
112974 + layout_type(variant);
112975 + }
112976 +
112977 + return 1;
112978 +}
112979 +
112980 +/* from constify plugin */
112981 +static const_tree get_field_type(const_tree field)
112982 +{
112983 + return strip_array_types(TREE_TYPE(field));
112984 +}
112985 +
112986 +/* from constify plugin */
112987 +static bool is_fptr(const_tree fieldtype)
112988 +{
112989 + if (TREE_CODE(fieldtype) != POINTER_TYPE)
112990 + return false;
112991 +
112992 + return TREE_CODE(TREE_TYPE(fieldtype)) == FUNCTION_TYPE;
112993 +}
112994 +
112995 +/* derived from constify plugin */
112996 +static int is_pure_ops_struct(const_tree node)
112997 +{
112998 + const_tree field;
112999 +
113000 + gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE);
113001 +
113002 + for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
113003 + const_tree fieldtype = get_field_type(field);
113004 + enum tree_code code = TREE_CODE(fieldtype);
113005 +
113006 + if (node == fieldtype)
113007 + continue;
113008 +
113009 + if (!is_fptr(fieldtype))
113010 + return 0;
113011 +
113012 + if (code != RECORD_TYPE && code != UNION_TYPE)
113013 + continue;
113014 +
113015 + if (!is_pure_ops_struct(fieldtype))
113016 + return 0;
113017 + }
113018 +
113019 + return 1;
113020 +}
113021 +
113022 +static void randomize_type(tree type)
113023 +{
113024 + tree variant;
113025 +
113026 + gcc_assert(TREE_CODE(type) == RECORD_TYPE);
113027 +
113028 + if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type)))
113029 + return;
113030 +
113031 + if (lookup_attribute("randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type))) || is_pure_ops_struct(type))
113032 + relayout_struct(type);
113033 +
113034 + for (variant = TYPE_MAIN_VARIANT(type); variant; variant = TYPE_NEXT_VARIANT(variant)) {
113035 + TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type));
113036 + TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("randomize_considered"), NULL_TREE, TYPE_ATTRIBUTES(type));
113037 + }
113038 +#ifdef __DEBUG_PLUGIN
113039 + fprintf(stderr, "Marking randomize_considered on struct %s\n", ORIG_TYPE_NAME(type));
113040 +#ifdef __DEBUG_VERBOSE
113041 + debug_tree(type);
113042 +#endif
113043 +#endif
113044 +}
113045 +
113046 +static void randomize_layout_finish_decl(void *event_data, void *data)
113047 +{
113048 + tree decl = (tree)event_data;
113049 + tree type;
113050 +
113051 + if (decl == NULL_TREE || decl == error_mark_node)
113052 + return;
113053 +
113054 + type = TREE_TYPE(decl);
113055 +
113056 + if (TREE_CODE(decl) != VAR_DECL)
113057 + return;
113058 +
113059 + if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
113060 + return;
113061 +
113062 + if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type)))
113063 + return;
113064 +
113065 + relayout_decl(decl);
113066 +}
113067 +
113068 +static void finish_type(void *event_data, void *data)
113069 +{
113070 + tree type = (tree)event_data;
113071 +
113072 + if (type == NULL_TREE || type == error_mark_node)
113073 + return;
113074 +
113075 + if (TREE_CODE(type) != RECORD_TYPE)
113076 + return;
113077 +
113078 + if (TYPE_FIELDS(type) == NULL_TREE)
113079 + return;
113080 +
113081 + if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type)))
113082 + return;
113083 +
113084 +#ifdef __DEBUG_PLUGIN
113085 + fprintf(stderr, "Calling randomize_type on %s\n", ORIG_TYPE_NAME(type));
113086 +#endif
113087 +#ifdef __DEBUG_VERBOSE
113088 + debug_tree(type);
113089 +#endif
113090 + randomize_type(type);
113091 +
113092 + return;
113093 +}
113094 +
113095 +static struct attribute_spec randomize_layout_attr = {
113096 + .name = "randomize_layout",
113097 + // related to args
113098 + .min_length = 0,
113099 + .max_length = 0,
113100 + .decl_required = false,
113101 + // need type declaration
113102 + .type_required = true,
113103 + .function_type_required = false,
113104 + .handler = handle_randomize_layout_attr,
113105 +#if BUILDING_GCC_VERSION >= 4007
113106 + .affects_type_identity = true
113107 +#endif
113108 +};
113109 +
113110 +static struct attribute_spec no_randomize_layout_attr = {
113111 + .name = "no_randomize_layout",
113112 + // related to args
113113 + .min_length = 0,
113114 + .max_length = 0,
113115 + .decl_required = false,
113116 + // need type declaration
113117 + .type_required = true,
113118 + .function_type_required = false,
113119 + .handler = handle_randomize_layout_attr,
113120 +#if BUILDING_GCC_VERSION >= 4007
113121 + .affects_type_identity = true
113122 +#endif
113123 +};
113124 +
113125 +static struct attribute_spec randomize_considered_attr = {
113126 + .name = "randomize_considered",
113127 + // related to args
113128 + .min_length = 0,
113129 + .max_length = 0,
113130 + .decl_required = false,
113131 + // need type declaration
113132 + .type_required = true,
113133 + .function_type_required = false,
113134 + .handler = handle_randomize_considered_attr,
113135 +#if BUILDING_GCC_VERSION >= 4007
113136 + .affects_type_identity = false
113137 +#endif
113138 +};
113139 +
113140 +static struct attribute_spec randomize_performed_attr = {
113141 + .name = "randomize_performed",
113142 + // related to args
113143 + .min_length = 0,
113144 + .max_length = 0,
113145 + .decl_required = false,
113146 + // need type declaration
113147 + .type_required = true,
113148 + .function_type_required = false,
113149 + .handler = handle_randomize_performed_attr,
113150 +#if BUILDING_GCC_VERSION >= 4007
113151 + .affects_type_identity = false
113152 +#endif
113153 +};
113154 +
113155 +static void register_attributes(void *event_data, void *data)
113156 +{
113157 + register_attribute(&randomize_layout_attr);
113158 + register_attribute(&no_randomize_layout_attr);
113159 + register_attribute(&randomize_considered_attr);
113160 + register_attribute(&randomize_performed_attr);
113161 +}
113162 +
113163 +static void check_bad_casts_in_constructor(tree var, tree init)
113164 +{
113165 + unsigned HOST_WIDE_INT idx;
113166 + tree field, val;
113167 + tree field_type, val_type;
113168 +
113169 + FOR_EACH_CONSTRUCTOR_ELT(CONSTRUCTOR_ELTS(init), idx, field, val) {
113170 + if (TREE_CODE(val) == CONSTRUCTOR) {
113171 + check_bad_casts_in_constructor(var, val);
113172 + continue;
113173 + }
113174 +
113175 + /* pipacs' plugin creates franken-arrays that differ from those produced by
113176 + normal code which all have valid 'field' trees. work around this */
113177 + if (field == NULL_TREE)
113178 + continue;
113179 + field_type = TREE_TYPE(field);
113180 + val_type = TREE_TYPE(val);
113181 +
113182 + if (TREE_CODE(field_type) != POINTER_TYPE || TREE_CODE(val_type) != POINTER_TYPE)
113183 + continue;
113184 +
113185 + if (field_type == val_type)
113186 + continue;
113187 +
113188 + field_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(field_type))));
113189 + val_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(val_type))));
113190 +
113191 + if (field_type == void_type_node)
113192 + continue;
113193 + if (field_type == val_type)
113194 + continue;
113195 + if (TREE_CODE(val_type) != RECORD_TYPE)
113196 + continue;
113197 +
113198 + if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(val_type)))
113199 + continue;
113200 + inform(DECL_SOURCE_LOCATION(var), "found mismatched struct pointer types: %qT and %qT\n", TYPE_MAIN_VARIANT(field_type), TYPE_MAIN_VARIANT(val_type));
113201 + }
113202 +}
113203 +
113204 +/* derived from the constify plugin */
113205 +static void check_global_variables(void *event_data, void *data)
113206 +{
113207 + struct varpool_node *node;
113208 + tree init;
113209 +
113210 + FOR_EACH_VARIABLE(node) {
113211 + tree var = NODE_DECL(node);
113212 + init = DECL_INITIAL(var);
113213 + if (init == NULL_TREE)
113214 + continue;
113215 +
113216 + if (TREE_CODE(init) != CONSTRUCTOR)
113217 + continue;
113218 +
113219 + check_bad_casts_in_constructor(var, init);
113220 + }
113221 +}
113222 +
113223 +static bool dominated_by_is_err(const_tree rhs, basic_block bb)
113224 +{
113225 + basic_block dom;
113226 + gimple dom_stmt;
113227 + gimple call_stmt;
113228 + const_tree dom_lhs;
113229 + const_tree poss_is_err_cond;
113230 + const_tree poss_is_err_func;
113231 + const_tree is_err_arg;
113232 +
113233 + dom = get_immediate_dominator(CDI_DOMINATORS, bb);
113234 + if (!dom)
113235 + return false;
113236 +
113237 + dom_stmt = last_stmt(dom);
113238 + if (!dom_stmt)
113239 + return false;
113240 +
113241 + if (gimple_code(dom_stmt) != GIMPLE_COND)
113242 + return false;
113243 +
113244 + if (gimple_cond_code(dom_stmt) != NE_EXPR)
113245 + return false;
113246 +
113247 + if (!integer_zerop(gimple_cond_rhs(dom_stmt)))
113248 + return false;
113249 +
113250 + poss_is_err_cond = gimple_cond_lhs(dom_stmt);
113251 +
113252 + if (TREE_CODE(poss_is_err_cond) != SSA_NAME)
113253 + return false;
113254 +
113255 + call_stmt = SSA_NAME_DEF_STMT(poss_is_err_cond);
113256 +
113257 + if (gimple_code(call_stmt) != GIMPLE_CALL)
113258 + return false;
113259 +
113260 + dom_lhs = gimple_get_lhs(call_stmt);
113261 + poss_is_err_func = gimple_call_fndecl(call_stmt);
113262 + if (!poss_is_err_func)
113263 + return false;
113264 + if (dom_lhs != poss_is_err_cond)
113265 + return false;
113266 + if (strcmp(DECL_NAME_POINTER(poss_is_err_func), "IS_ERR"))
113267 + return false;
113268 +
113269 + is_err_arg = gimple_call_arg(call_stmt, 0);
113270 + if (!is_err_arg)
113271 + return false;
113272 +
113273 + if (is_err_arg != rhs)
113274 + return false;
113275 +
113276 + return true;
113277 +}
113278 +
113279 +static void handle_local_var_initializers(void)
113280 +{
113281 + tree var;
113282 + unsigned int i;
113283 +
113284 + FOR_EACH_LOCAL_DECL(cfun, i, var) {
113285 + tree init = DECL_INITIAL(var);
113286 + if (!init)
113287 + continue;
113288 + if (TREE_CODE(init) != CONSTRUCTOR)
113289 + continue;
113290 + check_bad_casts_in_constructor(var, init);
113291 + }
113292 +}
113293 +
113294 +/*
113295 + * iterate over all statements to find "bad" casts:
113296 + * those where the address of the start of a structure is cast
113297 + * to a pointer of a structure of a different type, or a
113298 + * structure pointer type is cast to a different structure pointer type
113299 + */
113300 +static unsigned int find_bad_casts(void)
113301 +{
113302 + basic_block bb;
113303 +
113304 + handle_local_var_initializers();
113305 +
113306 + FOR_ALL_BB_FN(bb, cfun) {
113307 + gimple_stmt_iterator gsi;
113308 +
113309 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
113310 + gimple stmt;
113311 + const_tree lhs;
113312 + const_tree lhs_type;
113313 + const_tree rhs1;
113314 + const_tree rhs_type;
113315 + const_tree ptr_lhs_type;
113316 + const_tree ptr_rhs_type;
113317 + const_tree op0;
113318 + const_tree op0_type;
113319 + enum tree_code rhs_code;
113320 +
113321 + stmt = gsi_stmt(gsi);
113322 +
113323 +#ifdef __DEBUG_PLUGIN
113324 +#ifdef __DEBUG_VERBOSE
113325 + debug_gimple_stmt(stmt);
113326 + debug_tree(gimple_get_lhs(stmt));
113327 +#endif
113328 +#endif
113329 +
113330 + if (gimple_code(stmt) != GIMPLE_ASSIGN)
113331 + continue;
113332 +
113333 +#ifdef __DEBUG_PLUGIN
113334 +#ifdef __DEBUG_VERBOSE
113335 + debug_tree(gimple_assign_rhs1(stmt));
113336 +#endif
113337 +#endif
113338 +
113339 + rhs_code = gimple_assign_rhs_code(stmt);
113340 +
113341 + if (rhs_code != ADDR_EXPR && rhs_code != SSA_NAME)
113342 + continue;
113343 +
113344 + lhs = gimple_get_lhs(stmt);
113345 + lhs_type = TREE_TYPE(lhs);
113346 + rhs1 = gimple_assign_rhs1(stmt);
113347 + rhs_type = TREE_TYPE(rhs1);
113348 +
113349 + if (TREE_CODE(rhs_type) != POINTER_TYPE ||
113350 + TREE_CODE(lhs_type) != POINTER_TYPE)
113351 + continue;
113352 +
113353 + ptr_lhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(lhs_type))));
113354 + ptr_rhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(rhs_type))));
113355 +
113356 + if (ptr_rhs_type == void_type_node)
113357 + continue;
113358 +
113359 + if (ptr_lhs_type == void_type_node)
113360 + continue;
113361 +
113362 + if (dominated_by_is_err(rhs1, bb))
113363 + continue;
113364 +
113365 + if (TREE_CODE(ptr_rhs_type) != RECORD_TYPE) {
113366 +#ifndef __DEBUG_PLUGIN
113367 + if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_lhs_type)))
113368 +#endif
113369 + inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type);
113370 + continue;
113371 + }
113372 +
113373 + if (rhs_code == SSA_NAME && ptr_lhs_type == ptr_rhs_type)
113374 + continue;
113375 +
113376 + if (rhs_code == ADDR_EXPR) {
113377 + op0 = TREE_OPERAND(rhs1, 0);
113378 +
113379 + if (op0 == NULL_TREE)
113380 + continue;
113381 +
113382 + if (TREE_CODE(op0) != VAR_DECL)
113383 + continue;
113384 +
113385 + op0_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(op0))));
113386 + if (op0_type == ptr_lhs_type)
113387 + continue;
113388 +
113389 +#ifndef __DEBUG_PLUGIN
113390 + if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(op0_type)))
113391 +#endif
113392 + inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, op0_type);
113393 + } else {
113394 + const_tree ssa_name_var = SSA_NAME_VAR(rhs1);
113395 + /* skip bogus type casts introduced by container_of */
113396 + if (ssa_name_var != NULL_TREE && DECL_NAME(ssa_name_var) &&
113397 + !strcmp((const char *)DECL_NAME_POINTER(ssa_name_var), "__mptr"))
113398 + continue;
113399 +#ifndef __DEBUG_PLUGIN
113400 + if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_rhs_type)))
113401 +#endif
113402 + inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type);
113403 + }
113404 +
113405 + }
113406 + }
113407 + return 0;
113408 +}
113409 +
113410 +#if BUILDING_GCC_VERSION >= 4009
113411 +static const struct pass_data randomize_layout_bad_cast_data = {
113412 +#else
113413 +static struct gimple_opt_pass randomize_layout_bad_cast = {
113414 + .pass = {
113415 +#endif
113416 + .type = GIMPLE_PASS,
113417 + .name = "randomize_layout_bad_cast",
113418 +#if BUILDING_GCC_VERSION >= 4008
113419 + .optinfo_flags = OPTGROUP_NONE,
113420 +#endif
113421 +#if BUILDING_GCC_VERSION >= 4009
113422 + .has_gate = false,
113423 + .has_execute = true,
113424 +#else
113425 + .gate = NULL,
113426 + .execute = find_bad_casts,
113427 + .sub = NULL,
113428 + .next = NULL,
113429 + .static_pass_number = 0,
113430 +#endif
113431 + .tv_id = TV_NONE,
113432 + .properties_required = PROP_cfg,
113433 + .properties_provided = 0,
113434 + .properties_destroyed = 0,
113435 + .todo_flags_start = 0,
113436 + .todo_flags_finish = TODO_dump_func
113437 +#if BUILDING_GCC_VERSION < 4009
113438 + }
113439 +#endif
113440 +};
113441 +
113442 +#if BUILDING_GCC_VERSION >= 4009
113443 +namespace {
113444 +class randomize_layout_bad_cast : public gimple_opt_pass {
113445 +public:
113446 + randomize_layout_bad_cast() : gimple_opt_pass(randomize_layout_bad_cast_data, g) {}
113447 + unsigned int execute() { return find_bad_casts(); }
113448 +};
113449 +}
113450 +#endif
113451 +
113452 +static struct opt_pass *make_randomize_layout_bad_cast(void)
113453 +{
113454 +#if BUILDING_GCC_VERSION >= 4009
113455 + return new randomize_layout_bad_cast();
113456 +#else
113457 + return &randomize_layout_bad_cast.pass;
113458 +#endif
113459 +}
113460 +
113461 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
113462 +{
113463 + int i;
113464 + const char * const plugin_name = plugin_info->base_name;
113465 + const int argc = plugin_info->argc;
113466 + const struct plugin_argument * const argv = plugin_info->argv;
113467 + bool enable = true;
113468 + int obtained_seed = 0;
113469 + struct register_pass_info randomize_layout_bad_cast_info;
113470 +
113471 + randomize_layout_bad_cast_info.pass = make_randomize_layout_bad_cast();
113472 + randomize_layout_bad_cast_info.reference_pass_name = "ssa";
113473 + randomize_layout_bad_cast_info.ref_pass_instance_number = 1;
113474 + randomize_layout_bad_cast_info.pos_op = PASS_POS_INSERT_AFTER;
113475 +
113476 + if (!plugin_default_version_check(version, &gcc_version)) {
113477 + error(G_("incompatible gcc/plugin versions"));
113478 + return 1;
113479 + }
113480 +
113481 + if (strcmp(lang_hooks.name, "GNU C")) {
113482 + inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name);
113483 + enable = false;
113484 + }
113485 +
113486 + for (i = 0; i < argc; ++i) {
113487 + if (!strcmp(argv[i].key, "disable")) {
113488 + enable = false;
113489 + continue;
113490 + }
113491 + if (!strcmp(argv[i].key, "performance-mode")) {
113492 + performance_mode = 1;
113493 + continue;
113494 + }
113495 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
113496 + }
113497 +
113498 + if (strlen(randstruct_seed) != 64) {
113499 + error(G_("invalid seed value supplied for %s plugin"), plugin_name);
113500 + return 1;
113501 + }
113502 + obtained_seed = sscanf(randstruct_seed, "%016llx%016llx%016llx%016llx",
113503 + &shuffle_seed[0], &shuffle_seed[1], &shuffle_seed[2], &shuffle_seed[3]);
113504 + if (obtained_seed != 4) {
113505 + error(G_("Invalid seed supplied for %s plugin"), plugin_name);
113506 + return 1;
113507 + }
113508 +
113509 + register_callback(plugin_name, PLUGIN_INFO, NULL, &randomize_layout_plugin_info);
113510 + if (enable) {
113511 + register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL);
113512 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &randomize_layout_bad_cast_info);
113513 + register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL);
113514 + register_callback(plugin_name, PLUGIN_FINISH_DECL, randomize_layout_finish_decl, NULL);
113515 + }
113516 + register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
113517 +
113518 + return 0;
113519 +}
113520 diff --git a/tools/gcc/size_overflow_plugin/.gitignore b/tools/gcc/size_overflow_plugin/.gitignore
113521 new file mode 100644
113522 index 0000000..1f0214f
113523 --- /dev/null
113524 +++ b/tools/gcc/size_overflow_plugin/.gitignore
113525 @@ -0,0 +1,3 @@
113526 +randomize_layout_seed.h
113527 +size_overflow_hash.h
113528 +size_overflow_hash_aux.h
113529 diff --git a/tools/gcc/size_overflow_plugin/Makefile b/tools/gcc/size_overflow_plugin/Makefile
113530 new file mode 100644
113531 index 0000000..1ae2ed5
113532 --- /dev/null
113533 +++ b/tools/gcc/size_overflow_plugin/Makefile
113534 @@ -0,0 +1,20 @@
113535 +$(HOSTLIBS)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so
113536 +always := $($(HOSTLIBS)-y)
113537 +
113538 +size_overflow_plugin-objs := $(patsubst $(srctree)/$(src)/%.c,%.o,$(wildcard $(srctree)/$(src)/*.c))
113539 +
113540 +$(patsubst $(srctree)/$(src)/%.c,$(obj)/%.o,$(wildcard $(srctree)/$(src)/*.c)): $(objtree)/$(obj)/size_overflow_hash.h $(objtree)/$(obj)/size_overflow_hash_aux.h
113541 +
113542 +quiet_cmd_build_size_overflow_hash = GENHASH $@
113543 + cmd_build_size_overflow_hash = \
113544 + $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash -d $< -o $@
113545 +$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE
113546 + $(call if_changed,build_size_overflow_hash)
113547 +
113548 +quiet_cmd_build_size_overflow_hash_aux = GENHASH $@
113549 + cmd_build_size_overflow_hash_aux = \
113550 + $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash_aux -d $< -o $@
113551 +$(objtree)/$(obj)/size_overflow_hash_aux.h: $(src)/size_overflow_hash_aux.data FORCE
113552 + $(call if_changed,build_size_overflow_hash_aux)
113553 +
113554 +targets += size_overflow_hash.h size_overflow_hash_aux.h
113555 diff --git a/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh
113556 new file mode 100644
113557 index 0000000..12b1e3b
113558 --- /dev/null
113559 +++ b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh
113560 @@ -0,0 +1,102 @@
113561 +#!/bin/bash
113562 +
113563 +# This script generates the hash table (size_overflow_hash.h) for the size_overflow gcc plugin (size_overflow_plugin.c).
113564 +
113565 +header1="size_overflow_hash.h"
113566 +database="size_overflow_hash.data"
113567 +n=65536
113568 +hashtable_name="size_overflow_hash"
113569 +
113570 +usage() {
113571 +cat <<EOF
113572 +usage: $0 options
113573 +OPTIONS:
113574 + -h|--help help
113575 + -o header file
113576 + -d database file
113577 + -n hash array size
113578 + -s name of the hash table
113579 +EOF
113580 + return 0
113581 +}
113582 +
113583 +while true
113584 +do
113585 + case "$1" in
113586 + -h|--help) usage && exit 0;;
113587 + -n) n=$2; shift 2;;
113588 + -o) header1="$2"; shift 2;;
113589 + -d) database="$2"; shift 2;;
113590 + -s) hashtable_name="$2"; shift 2;;
113591 + --) shift 1; break ;;
113592 + *) break ;;
113593 + esac
113594 +done
113595 +
113596 +create_defines() {
113597 + for i in `seq 0 31`
113598 + do
113599 + echo -e "#define PARAM"$i" (1U << "$i")" >> "$header1"
113600 + done
113601 + echo >> "$header1"
113602 +}
113603 +
113604 +create_structs() {
113605 + rm -f "$header1"
113606 +
113607 + create_defines
113608 +
113609 + cat "$database" | while read data
113610 + do
113611 + data_array=($data)
113612 + struct_hash_name="${data_array[0]}"
113613 + funcn="${data_array[1]}"
113614 + params="${data_array[2]}"
113615 + next="${data_array[4]}"
113616 +
113617 + echo "const struct size_overflow_hash $struct_hash_name = {" >> "$header1"
113618 +
113619 + echo -e "\t.next\t= $next,\n\t.name\t= \"$funcn\"," >> "$header1"
113620 + echo -en "\t.param\t= " >> "$header1"
113621 + line=
113622 + for param_num in ${params//-/ };
113623 + do
113624 + line="${line}PARAM"$param_num"|"
113625 + done
113626 +
113627 + echo -e "${line%?},\n};\n" >> "$header1"
113628 + done
113629 +}
113630 +
113631 +create_headers() {
113632 + echo "const struct size_overflow_hash * const $hashtable_name[$n] = {" >> "$header1"
113633 +}
113634 +
113635 +create_array_elements() {
113636 + index=0
113637 + grep -v "nohasharray" $database | sort -n -k 4 | while read data
113638 + do
113639 + data_array=($data)
113640 + i="${data_array[3]}"
113641 + hash="${data_array[0]}"
113642 + while [[ $index -lt $i ]]
113643 + do
113644 + echo -e "\t["$index"]\t= NULL," >> "$header1"
113645 + index=$(($index + 1))
113646 + done
113647 + index=$(($index + 1))
113648 + echo -e "\t["$i"]\t= &"$hash"," >> "$header1"
113649 + done
113650 + echo '};' >> $header1
113651 +}
113652 +
113653 +size_overflow_plugin_dir=`dirname $header1`
113654 +if [ "$size_overflow_plugin_dir" != '.' ]; then
113655 + mkdir -p "$size_overflow_plugin_dir" 2> /dev/null
113656 +fi
113657 +
113658 +create_structs
113659 +create_headers
113660 +create_array_elements
113661 +
113662 +exit 0
113663 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c
113664 new file mode 100644
113665 index 0000000..c43901f
113666 --- /dev/null
113667 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c
113668 @@ -0,0 +1,748 @@
113669 +/*
113670 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
113671 + * Licensed under the GPL v2, or (at your option) v3
113672 + *
113673 + * Homepage:
113674 + * http://www.grsecurity.net/~ephox/overflow_plugin/
113675 + *
113676 + * Documentation:
113677 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
113678 + *
113679 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
113680 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
113681 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
113682 + *
113683 + * Usage:
113684 + * $ make
113685 + * $ make run
113686 + */
113687 +
113688 +#include "gcc-common.h"
113689 +#include "size_overflow.h"
113690 +
113691 +static void search_size_overflow_attribute(struct pointer_set_t *visited, tree lhs);
113692 +static enum mark search_intentional(struct pointer_set_t *visited, const_tree lhs);
113693 +
113694 +// data for the size_overflow asm stmt
113695 +struct asm_data {
113696 + gimple def_stmt;
113697 + tree input;
113698 + tree output;
113699 +};
113700 +
113701 +#if BUILDING_GCC_VERSION <= 4007
113702 +static VEC(tree, gc) *create_asm_io_list(tree string, tree io)
113703 +#else
113704 +static vec<tree, va_gc> *create_asm_io_list(tree string, tree io)
113705 +#endif
113706 +{
113707 + tree list;
113708 +#if BUILDING_GCC_VERSION <= 4007
113709 + VEC(tree, gc) *vec_list = NULL;
113710 +#else
113711 + vec<tree, va_gc> *vec_list = NULL;
113712 +#endif
113713 +
113714 + list = build_tree_list(NULL_TREE, string);
113715 + list = chainon(NULL_TREE, build_tree_list(list, io));
113716 +#if BUILDING_GCC_VERSION <= 4007
113717 + VEC_safe_push(tree, gc, vec_list, list);
113718 +#else
113719 + vec_safe_push(vec_list, list);
113720 +#endif
113721 + return vec_list;
113722 +}
113723 +
113724 +static void create_asm_stmt(const char *str, tree str_input, tree str_output, struct asm_data *asm_data)
113725 +{
113726 + gimple asm_stmt;
113727 + gimple_stmt_iterator gsi;
113728 +#if BUILDING_GCC_VERSION <= 4007
113729 + VEC(tree, gc) *input, *output = NULL;
113730 +#else
113731 + vec<tree, va_gc> *input, *output = NULL;
113732 +#endif
113733 +
113734 + input = create_asm_io_list(str_input, asm_data->input);
113735 +
113736 + if (asm_data->output)
113737 + output = create_asm_io_list(str_output, asm_data->output);
113738 +
113739 + asm_stmt = gimple_build_asm_vec(str, input, output, NULL, NULL);
113740 + gsi = gsi_for_stmt(asm_data->def_stmt);
113741 + gsi_insert_after(&gsi, asm_stmt, GSI_NEW_STMT);
113742 +
113743 + if (asm_data->output)
113744 + SSA_NAME_DEF_STMT(asm_data->output) = asm_stmt;
113745 +}
113746 +
113747 +static void replace_call_lhs(const struct asm_data *asm_data)
113748 +{
113749 + gimple_set_lhs(asm_data->def_stmt, asm_data->input);
113750 + update_stmt(asm_data->def_stmt);
113751 + SSA_NAME_DEF_STMT(asm_data->input) = asm_data->def_stmt;
113752 +}
113753 +
113754 +static enum mark search_intentional_phi(struct pointer_set_t *visited, const_tree result)
113755 +{
113756 + enum mark cur_fndecl_attr;
113757 + gimple phi = get_def_stmt(result);
113758 + unsigned int i, n = gimple_phi_num_args(phi);
113759 +
113760 + pointer_set_insert(visited, phi);
113761 + for (i = 0; i < n; i++) {
113762 + tree arg = gimple_phi_arg_def(phi, i);
113763 +
113764 + cur_fndecl_attr = search_intentional(visited, arg);
113765 + if (cur_fndecl_attr != MARK_NO)
113766 + return cur_fndecl_attr;
113767 + }
113768 + return MARK_NO;
113769 +}
113770 +
113771 +static enum mark search_intentional_binary(struct pointer_set_t *visited, const_tree lhs)
113772 +{
113773 + enum mark cur_fndecl_attr;
113774 + const_tree rhs1, rhs2;
113775 + gimple def_stmt = get_def_stmt(lhs);
113776 +
113777 + rhs1 = gimple_assign_rhs1(def_stmt);
113778 + rhs2 = gimple_assign_rhs2(def_stmt);
113779 +
113780 + cur_fndecl_attr = search_intentional(visited, rhs1);
113781 + if (cur_fndecl_attr != MARK_NO)
113782 + return cur_fndecl_attr;
113783 + return search_intentional(visited, rhs2);
113784 +}
113785 +
113786 +// Look up the intentional_overflow attribute on the caller and the callee functions.
113787 +static enum mark search_intentional(struct pointer_set_t *visited, const_tree lhs)
113788 +{
113789 + const_gimple def_stmt;
113790 +
113791 + if (TREE_CODE(lhs) != SSA_NAME)
113792 + return get_intentional_attr_type(lhs);
113793 +
113794 + def_stmt = get_def_stmt(lhs);
113795 + if (!def_stmt)
113796 + return MARK_NO;
113797 +
113798 + if (pointer_set_contains(visited, def_stmt))
113799 + return MARK_NO;
113800 +
113801 + switch (gimple_code(def_stmt)) {
113802 + case GIMPLE_NOP:
113803 + return search_intentional(visited, SSA_NAME_VAR(lhs));
113804 + case GIMPLE_ASM:
113805 + if (is_size_overflow_intentional_asm_turn_off(def_stmt))
113806 + return MARK_TURN_OFF;
113807 + return MARK_NO;
113808 + case GIMPLE_CALL:
113809 + return MARK_NO;
113810 + case GIMPLE_PHI:
113811 + return search_intentional_phi(visited, lhs);
113812 + case GIMPLE_ASSIGN:
113813 + switch (gimple_num_ops(def_stmt)) {
113814 + case 2:
113815 + return search_intentional(visited, gimple_assign_rhs1(def_stmt));
113816 + case 3:
113817 + return search_intentional_binary(visited, lhs);
113818 + }
113819 + case GIMPLE_RETURN:
113820 + return MARK_NO;
113821 + default:
113822 + debug_gimple_stmt((gimple)def_stmt);
113823 + error("%s: unknown gimple code", __func__);
113824 + gcc_unreachable();
113825 + }
113826 +}
113827 +
113828 +// Check the intentional_overflow attribute and create the asm comment string for the size_overflow asm stmt.
113829 +static enum mark check_intentional_attribute_gimple(const_tree arg, const_gimple stmt, unsigned int argnum)
113830 +{
113831 + const_tree fndecl;
113832 + struct pointer_set_t *visited;
113833 + enum mark cur_fndecl_attr, decl_attr = MARK_NO;
113834 +
113835 + fndecl = get_interesting_orig_fndecl(stmt, argnum);
113836 + if (is_end_intentional_intentional_attr(fndecl, argnum))
113837 + decl_attr = MARK_NOT_INTENTIONAL;
113838 + else if (is_yes_intentional_attr(fndecl, argnum))
113839 + decl_attr = MARK_YES;
113840 + else if (is_turn_off_intentional_attr(fndecl) || is_turn_off_intentional_attr(DECL_ORIGIN(current_function_decl))) {
113841 + return MARK_TURN_OFF;
113842 + }
113843 +
113844 + visited = pointer_set_create();
113845 + cur_fndecl_attr = search_intentional(visited, arg);
113846 + pointer_set_destroy(visited);
113847 +
113848 + switch (cur_fndecl_attr) {
113849 + case MARK_NO:
113850 + case MARK_TURN_OFF:
113851 + return cur_fndecl_attr;
113852 + default:
113853 + print_missing_intentional(decl_attr, cur_fndecl_attr, fndecl, argnum);
113854 + return MARK_YES;
113855 + }
113856 +}
113857 +
113858 +static void check_missing_size_overflow_attribute(tree var)
113859 +{
113860 + tree orig_fndecl;
113861 + unsigned int num;
113862 +
113863 + if (is_a_return_check(var))
113864 + orig_fndecl = DECL_ORIGIN(var);
113865 + else
113866 + orig_fndecl = DECL_ORIGIN(current_function_decl);
113867 +
113868 + num = get_function_num(var, orig_fndecl);
113869 + if (num == CANNOT_FIND_ARG)
113870 + return;
113871 +
113872 + is_missing_function(orig_fndecl, num);
113873 +}
113874 +
113875 +static void search_size_overflow_attribute_phi(struct pointer_set_t *visited, const_tree result)
113876 +{
113877 + gimple phi = get_def_stmt(result);
113878 + unsigned int i, n = gimple_phi_num_args(phi);
113879 +
113880 + pointer_set_insert(visited, phi);
113881 + for (i = 0; i < n; i++) {
113882 + tree arg = gimple_phi_arg_def(phi, i);
113883 +
113884 + search_size_overflow_attribute(visited, arg);
113885 + }
113886 +}
113887 +
113888 +static void search_size_overflow_attribute_binary(struct pointer_set_t *visited, const_tree lhs)
113889 +{
113890 + const_gimple def_stmt = get_def_stmt(lhs);
113891 + tree rhs1, rhs2;
113892 +
113893 + rhs1 = gimple_assign_rhs1(def_stmt);
113894 + rhs2 = gimple_assign_rhs2(def_stmt);
113895 +
113896 + search_size_overflow_attribute(visited, rhs1);
113897 + search_size_overflow_attribute(visited, rhs2);
113898 +}
113899 +
113900 +static void search_size_overflow_attribute(struct pointer_set_t *visited, tree lhs)
113901 +{
113902 + const_gimple def_stmt;
113903 +
113904 + if (TREE_CODE(lhs) == PARM_DECL) {
113905 + check_missing_size_overflow_attribute(lhs);
113906 + return;
113907 + }
113908 +
113909 + def_stmt = get_def_stmt(lhs);
113910 + if (!def_stmt)
113911 + return;
113912 +
113913 + if (pointer_set_insert(visited, def_stmt))
113914 + return;
113915 +
113916 + switch (gimple_code(def_stmt)) {
113917 + case GIMPLE_NOP:
113918 + return search_size_overflow_attribute(visited, SSA_NAME_VAR(lhs));
113919 + case GIMPLE_ASM:
113920 + return;
113921 + case GIMPLE_CALL: {
113922 + tree fndecl = gimple_call_fndecl(def_stmt);
113923 +
113924 + if (fndecl == NULL_TREE)
113925 + return;
113926 + check_missing_size_overflow_attribute(fndecl);
113927 + return;
113928 + }
113929 + case GIMPLE_PHI:
113930 + return search_size_overflow_attribute_phi(visited, lhs);
113931 + case GIMPLE_ASSIGN:
113932 + switch (gimple_num_ops(def_stmt)) {
113933 + case 2:
113934 + return search_size_overflow_attribute(visited, gimple_assign_rhs1(def_stmt));
113935 + case 3:
113936 + return search_size_overflow_attribute_binary(visited, lhs);
113937 + }
113938 + default:
113939 + debug_gimple_stmt((gimple)def_stmt);
113940 + error("%s: unknown gimple code", __func__);
113941 + gcc_unreachable();
113942 + }
113943 +}
113944 +
113945 +// Search missing entries in the hash table (invoked from the gimple pass)
113946 +static void search_missing_size_overflow_attribute_gimple(const_gimple stmt, unsigned int num)
113947 +{
113948 + tree fndecl = NULL_TREE;
113949 + tree lhs;
113950 + struct pointer_set_t *visited;
113951 +
113952 + if (is_turn_off_intentional_attr(DECL_ORIGIN(current_function_decl)))
113953 + return;
113954 +
113955 + if (num == 0) {
113956 + gcc_assert(gimple_code(stmt) == GIMPLE_RETURN);
113957 + lhs = gimple_return_retval(stmt);
113958 + } else {
113959 + gcc_assert(is_gimple_call(stmt));
113960 + lhs = gimple_call_arg(stmt, num - 1);
113961 + fndecl = gimple_call_fndecl(stmt);
113962 + }
113963 +
113964 + if (fndecl != NULL_TREE && is_turn_off_intentional_attr(DECL_ORIGIN(fndecl)))
113965 + return;
113966 +
113967 + visited = pointer_set_create();
113968 + search_size_overflow_attribute(visited, lhs);
113969 + pointer_set_destroy(visited);
113970 +}
113971 +
113972 +static void create_output_from_phi(gimple stmt, unsigned int argnum, struct asm_data *asm_data)
113973 +{
113974 + gimple_stmt_iterator gsi;
113975 + gimple assign;
113976 +
113977 + assign = gimple_build_assign(asm_data->input, asm_data->output);
113978 + gsi = gsi_for_stmt(stmt);
113979 + gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
113980 + asm_data->def_stmt = assign;
113981 +
113982 + asm_data->output = create_new_var(TREE_TYPE(asm_data->output));
113983 + asm_data->output = make_ssa_name(asm_data->output, stmt);
113984 + if (gimple_code(stmt) == GIMPLE_RETURN)
113985 + gimple_return_set_retval(stmt, asm_data->output);
113986 + else
113987 + gimple_call_set_arg(stmt, argnum - 1, asm_data->output);
113988 + update_stmt(stmt);
113989 +}
113990 +
113991 +static char *create_asm_comment(unsigned int argnum, const_gimple stmt , const char *mark_str)
113992 +{
113993 + const char *fn_name;
113994 + char *asm_comment;
113995 + unsigned int len;
113996 +
113997 + if (argnum == 0)
113998 + fn_name = DECL_NAME_POINTER(current_function_decl);
113999 + else
114000 + fn_name = DECL_NAME_POINTER(gimple_call_fndecl(stmt));
114001 +
114002 + len = asprintf(&asm_comment, "%s %s %u", mark_str, fn_name, argnum);
114003 + gcc_assert(len > 0);
114004 +
114005 + return asm_comment;
114006 +}
114007 +
114008 +static const char *convert_mark_to_str(enum mark mark)
114009 +{
114010 + switch (mark) {
114011 + case MARK_NO:
114012 + return OK_ASM_STR;
114013 + case MARK_YES:
114014 + case MARK_NOT_INTENTIONAL:
114015 + return YES_ASM_STR;
114016 + case MARK_TURN_OFF:
114017 + return TURN_OFF_ASM_STR;
114018 + }
114019 +
114020 + gcc_unreachable();
114021 +}
114022 +
114023 +/* Create the input of the size_overflow asm stmt.
114024 + * When the arg of the callee function is a parm_decl it creates this kind of size_overflow asm stmt:
114025 + * __asm__("# size_overflow MARK_YES" : : "rm" size_1(D));
114026 + * The input field in asm_data will be empty if there is no need for further size_overflow asm stmt insertion.
114027 + * otherwise create the input (for a phi stmt the output too) of the asm stmt.
114028 + */
114029 +static void create_asm_input(gimple stmt, unsigned int argnum, struct asm_data *asm_data)
114030 +{
114031 + if (!asm_data->def_stmt) {
114032 + asm_data->input = NULL_TREE;
114033 + return;
114034 + }
114035 +
114036 + asm_data->input = create_new_var(TREE_TYPE(asm_data->output));
114037 + asm_data->input = make_ssa_name(asm_data->input, asm_data->def_stmt);
114038 +
114039 + switch (gimple_code(asm_data->def_stmt)) {
114040 + case GIMPLE_ASSIGN:
114041 + case GIMPLE_CALL:
114042 + replace_call_lhs(asm_data);
114043 + break;
114044 + case GIMPLE_PHI:
114045 + create_output_from_phi(stmt, argnum, asm_data);
114046 + break;
114047 + case GIMPLE_NOP: {
114048 + enum mark mark;
114049 + const char *mark_str;
114050 + char *asm_comment;
114051 +
114052 + mark = check_intentional_attribute_gimple(asm_data->output, stmt, argnum);
114053 +
114054 + asm_data->input = asm_data->output;
114055 + asm_data->output = NULL;
114056 + asm_data->def_stmt = stmt;
114057 +
114058 + mark_str = convert_mark_to_str(mark);
114059 + asm_comment = create_asm_comment(argnum, stmt, mark_str);
114060 +
114061 + create_asm_stmt(asm_comment, build_string(3, "rm"), NULL, asm_data);
114062 + free(asm_comment);
114063 + asm_data->input = NULL_TREE;
114064 + break;
114065 + }
114066 + case GIMPLE_ASM:
114067 + if (is_size_overflow_asm(asm_data->def_stmt)) {
114068 + asm_data->input = NULL_TREE;
114069 + break;
114070 + }
114071 + default:
114072 + debug_gimple_stmt(asm_data->def_stmt);
114073 + gcc_unreachable();
114074 + }
114075 +}
114076 +
114077 +/* This is the gimple part of searching for a missing size_overflow attribute. If the intentional_overflow attribute type
114078 + * is of the right kind create the appropriate size_overflow asm stmts:
114079 + * __asm__("# size_overflow" : =rm" D.3344_8 : "0" cicus.4_16);
114080 + * __asm__("# size_overflow MARK_YES" : : "rm" size_1(D));
114081 + */
114082 +static void create_size_overflow_asm(gimple stmt, tree output_node, unsigned int argnum)
114083 +{
114084 + struct asm_data asm_data;
114085 + const char *mark_str;
114086 + char *asm_comment;
114087 + enum mark mark;
114088 +
114089 + if (is_gimple_constant(output_node))
114090 + return;
114091 +
114092 + asm_data.output = output_node;
114093 + mark = check_intentional_attribute_gimple(asm_data.output, stmt, argnum);
114094 + if (mark != MARK_TURN_OFF)
114095 + search_missing_size_overflow_attribute_gimple(stmt, argnum);
114096 +
114097 + asm_data.def_stmt = get_def_stmt(asm_data.output);
114098 + if (is_size_overflow_intentional_asm_turn_off(asm_data.def_stmt))
114099 + return;
114100 +
114101 + create_asm_input(stmt, argnum, &asm_data);
114102 + if (asm_data.input == NULL_TREE)
114103 + return;
114104 +
114105 + mark_str = convert_mark_to_str(mark);
114106 + asm_comment = create_asm_comment(argnum, stmt, mark_str);
114107 + create_asm_stmt(asm_comment, build_string(2, "0"), build_string(4, "=rm"), &asm_data);
114108 + free(asm_comment);
114109 +}
114110 +
114111 +// Insert an asm stmt with "MARK_TURN_OFF", "MARK_YES" or "MARK_NOT_INTENTIONAL".
114112 +static bool create_mark_asm(gimple stmt, enum mark mark)
114113 +{
114114 + struct asm_data asm_data;
114115 + const char *asm_str;
114116 +
114117 + switch (mark) {
114118 + case MARK_TURN_OFF:
114119 + asm_str = TURN_OFF_ASM_STR;
114120 + break;
114121 + case MARK_NOT_INTENTIONAL:
114122 + case MARK_YES:
114123 + asm_str = YES_ASM_STR;
114124 + break;
114125 + default:
114126 + gcc_unreachable();
114127 + }
114128 +
114129 + asm_data.def_stmt = stmt;
114130 + asm_data.output = gimple_call_lhs(stmt);
114131 +
114132 + if (asm_data.output == NULL_TREE) {
114133 + asm_data.input = gimple_call_arg(stmt, 0);
114134 + if (is_gimple_constant(asm_data.input))
114135 + return false;
114136 + asm_data.output = NULL;
114137 + create_asm_stmt(asm_str, build_string(3, "rm"), NULL, &asm_data);
114138 + return true;
114139 + }
114140 +
114141 + create_asm_input(stmt, 0, &asm_data);
114142 + gcc_assert(asm_data.input != NULL_TREE);
114143 +
114144 + create_asm_stmt(asm_str, build_string(2, "0"), build_string(4, "=rm"), &asm_data);
114145 + return true;
114146 +}
114147 +
114148 +static void walk_use_def_ptr(struct pointer_set_t *visited, const_tree lhs)
114149 +{
114150 + gimple def_stmt;
114151 +
114152 + def_stmt = get_def_stmt(lhs);
114153 + if (!def_stmt)
114154 + return;
114155 +
114156 + if (pointer_set_insert(visited, def_stmt))
114157 + return;
114158 +
114159 + switch (gimple_code(def_stmt)) {
114160 + case GIMPLE_NOP:
114161 + case GIMPLE_ASM:
114162 + case GIMPLE_CALL:
114163 + break;
114164 + case GIMPLE_PHI: {
114165 + unsigned int i, n = gimple_phi_num_args(def_stmt);
114166 +
114167 + pointer_set_insert(visited, def_stmt);
114168 +
114169 + for (i = 0; i < n; i++) {
114170 + tree arg = gimple_phi_arg_def(def_stmt, i);
114171 +
114172 + walk_use_def_ptr(visited, arg);
114173 + }
114174 + }
114175 + case GIMPLE_ASSIGN:
114176 + switch (gimple_num_ops(def_stmt)) {
114177 + case 2:
114178 + walk_use_def_ptr(visited, gimple_assign_rhs1(def_stmt));
114179 + return;
114180 + case 3:
114181 + walk_use_def_ptr(visited, gimple_assign_rhs1(def_stmt));
114182 + walk_use_def_ptr(visited, gimple_assign_rhs2(def_stmt));
114183 + return;
114184 + default:
114185 + return;
114186 + }
114187 + default:
114188 + debug_gimple_stmt((gimple)def_stmt);
114189 + error("%s: unknown gimple code", __func__);
114190 + gcc_unreachable();
114191 + }
114192 +}
114193 +
114194 +// Look for a ptr - ptr expression (e.g., cpuset_common_file_read() s - page)
114195 +static void insert_mark_not_intentional_asm_at_ptr(const_tree arg)
114196 +{
114197 + struct pointer_set_t *visited;
114198 +
114199 + visited = pointer_set_create();
114200 + walk_use_def_ptr(visited, arg);
114201 + pointer_set_destroy(visited);
114202 +}
114203 +
114204 +// Determine the return value and insert the asm stmt to mark the return stmt.
114205 +static void insert_asm_ret(gimple stmt)
114206 +{
114207 + tree ret;
114208 +
114209 + ret = gimple_return_retval(stmt);
114210 + create_size_overflow_asm(stmt, ret, 0);
114211 +}
114212 +
114213 +// Determine the correct arg index and arg and insert the asm stmt to mark the stmt.
114214 +static void insert_asm_arg(gimple stmt, unsigned int orig_argnum)
114215 +{
114216 + tree arg;
114217 + unsigned int argnum;
114218 +
114219 + argnum = get_correct_arg_count(orig_argnum, gimple_call_fndecl(stmt));
114220 + gcc_assert(argnum != 0);
114221 + if (argnum == CANNOT_FIND_ARG)
114222 + return;
114223 +
114224 + arg = gimple_call_arg(stmt, argnum - 1);
114225 + gcc_assert(arg != NULL_TREE);
114226 +
114227 + // skip all ptr - ptr expressions
114228 + insert_mark_not_intentional_asm_at_ptr(arg);
114229 +
114230 + create_size_overflow_asm(stmt, arg, argnum);
114231 +}
114232 +
114233 +// If a function arg or the return value is marked by the size_overflow attribute then set its index in the array.
114234 +static void set_argnum_attribute(const_tree attr, bool *argnums)
114235 +{
114236 + unsigned int argnum;
114237 + tree attr_value;
114238 +
114239 + for (attr_value = TREE_VALUE(attr); attr_value; attr_value = TREE_CHAIN(attr_value)) {
114240 + argnum = TREE_INT_CST_LOW(TREE_VALUE(attr_value));
114241 + argnums[argnum] = true;
114242 + }
114243 +}
114244 +
114245 +// If a function arg or the return value is in the hash table then set its index in the array.
114246 +static void set_argnum_hash(tree fndecl, bool *argnums)
114247 +{
114248 + unsigned int num;
114249 + const struct size_overflow_hash *hash;
114250 +
114251 + hash = get_function_hash(DECL_ORIGIN(fndecl));
114252 + if (!hash)
114253 + return;
114254 +
114255 + for (num = 0; num <= MAX_PARAM; num++) {
114256 + if (!(hash->param & (1U << num)))
114257 + continue;
114258 +
114259 + argnums[num] = true;
114260 + }
114261 +}
114262 +
114263 +static bool is_all_the_argnums_empty(bool *argnums)
114264 +{
114265 + unsigned int i;
114266 +
114267 + for (i = 0; i <= MAX_PARAM; i++)
114268 + if (argnums[i])
114269 + return false;
114270 + return true;
114271 +}
114272 +
114273 +// Check whether the arguments or the return value of the function are in the hash table or are marked by the size_overflow attribute.
114274 +static void search_interesting_args(tree fndecl, bool *argnums)
114275 +{
114276 + const_tree attr;
114277 +
114278 + set_argnum_hash(fndecl, argnums);
114279 + if (!is_all_the_argnums_empty(argnums))
114280 + return;
114281 +
114282 + attr = lookup_attribute("size_overflow", DECL_ATTRIBUTES(fndecl));
114283 + if (attr && TREE_VALUE(attr))
114284 + set_argnum_attribute(attr, argnums);
114285 +}
114286 +
114287 +/*
114288 + * Look up the intentional_overflow attribute that turns off ipa based duplication
114289 + * on the callee function.
114290 + */
114291 +static bool is_mark_turn_off_attribute(gimple stmt)
114292 +{
114293 + enum mark mark;
114294 + const_tree fndecl = gimple_call_fndecl(stmt);
114295 +
114296 + mark = get_intentional_attr_type(DECL_ORIGIN(fndecl));
114297 + if (mark == MARK_TURN_OFF)
114298 + return true;
114299 + return false;
114300 +}
114301 +
114302 +// If the argument(s) of the callee function is/are in the hash table or are marked by an attribute then mark the call stmt with an asm stmt
114303 +static void handle_interesting_function(gimple stmt)
114304 +{
114305 + unsigned int argnum;
114306 + tree fndecl;
114307 + bool orig_argnums[MAX_PARAM + 1] = {false};
114308 +
114309 + if (gimple_call_num_args(stmt) == 0)
114310 + return;
114311 + fndecl = gimple_call_fndecl(stmt);
114312 + if (fndecl == NULL_TREE)
114313 + return;
114314 + fndecl = DECL_ORIGIN(fndecl);
114315 +
114316 + if (is_mark_turn_off_attribute(stmt)) {
114317 + create_mark_asm(stmt, MARK_TURN_OFF);
114318 + return;
114319 + }
114320 +
114321 + search_interesting_args(fndecl, orig_argnums);
114322 +
114323 + for (argnum = 1; argnum < MAX_PARAM; argnum++)
114324 + if (orig_argnums[argnum])
114325 + insert_asm_arg(stmt, argnum);
114326 +}
114327 +
114328 +// If the return value of the caller function is in hash table (its index is 0) then mark the return stmt with an asm stmt
114329 +static void handle_interesting_ret(gimple stmt)
114330 +{
114331 + bool orig_argnums[MAX_PARAM + 1] = {false};
114332 +
114333 + search_interesting_args(current_function_decl, orig_argnums);
114334 +
114335 + if (orig_argnums[0])
114336 + insert_asm_ret(stmt);
114337 +}
114338 +
114339 +// Iterate over all the stmts and search for call and return stmts and mark them if they're in the hash table
114340 +static unsigned int search_interesting_functions(void)
114341 +{
114342 + basic_block bb;
114343 +
114344 + FOR_ALL_BB_FN(bb, cfun) {
114345 + gimple_stmt_iterator gsi;
114346 +
114347 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
114348 + gimple stmt = gsi_stmt(gsi);
114349 +
114350 + if (is_size_overflow_asm(stmt))
114351 + continue;
114352 +
114353 + if (is_gimple_call(stmt))
114354 + handle_interesting_function(stmt);
114355 + else if (gimple_code(stmt) == GIMPLE_RETURN)
114356 + handle_interesting_ret(stmt);
114357 + }
114358 + }
114359 + return 0;
114360 +}
114361 +
114362 +/*
114363 + * A lot of functions get inlined before the ipa passes so after the build_ssa gimple pass
114364 + * this pass inserts asm stmts to mark the interesting args
114365 + * that the ipa pass will detect and insert the size overflow checks for.
114366 + */
114367 +#if BUILDING_GCC_VERSION >= 4009
114368 +static const struct pass_data insert_size_overflow_asm_pass_data = {
114369 +#else
114370 +static struct gimple_opt_pass insert_size_overflow_asm_pass = {
114371 + .pass = {
114372 +#endif
114373 + .type = GIMPLE_PASS,
114374 + .name = "insert_size_overflow_asm",
114375 +#if BUILDING_GCC_VERSION >= 4008
114376 + .optinfo_flags = OPTGROUP_NONE,
114377 +#endif
114378 +#if BUILDING_GCC_VERSION >= 4009
114379 + .has_gate = false,
114380 + .has_execute = true,
114381 +#else
114382 + .gate = NULL,
114383 + .execute = search_interesting_functions,
114384 + .sub = NULL,
114385 + .next = NULL,
114386 + .static_pass_number = 0,
114387 +#endif
114388 + .tv_id = TV_NONE,
114389 + .properties_required = PROP_cfg,
114390 + .properties_provided = 0,
114391 + .properties_destroyed = 0,
114392 + .todo_flags_start = 0,
114393 + .todo_flags_finish = TODO_dump_func | TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow
114394 +#if BUILDING_GCC_VERSION < 4009
114395 + }
114396 +#endif
114397 +};
114398 +
114399 +#if BUILDING_GCC_VERSION >= 4009
114400 +namespace {
114401 +class insert_size_overflow_asm_pass : public gimple_opt_pass {
114402 +public:
114403 + insert_size_overflow_asm_pass() : gimple_opt_pass(insert_size_overflow_asm_pass_data, g) {}
114404 + unsigned int execute() { return search_interesting_functions(); }
114405 +};
114406 +}
114407 +#endif
114408 +
114409 +struct opt_pass *make_insert_size_overflow_asm_pass(void)
114410 +{
114411 +#if BUILDING_GCC_VERSION >= 4009
114412 + return new insert_size_overflow_asm_pass();
114413 +#else
114414 + return &insert_size_overflow_asm_pass.pass;
114415 +#endif
114416 +}
114417 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c
114418 new file mode 100644
114419 index 0000000..73f0a12
114420 --- /dev/null
114421 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_core.c
114422 @@ -0,0 +1,943 @@
114423 +/*
114424 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
114425 + * Licensed under the GPL v2, or (at your option) v3
114426 + *
114427 + * Homepage:
114428 + * http://www.grsecurity.net/~ephox/overflow_plugin/
114429 + *
114430 + * Documentation:
114431 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
114432 + *
114433 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
114434 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
114435 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
114436 + *
114437 + * Usage:
114438 + * $ make
114439 + * $ make run
114440 + */
114441 +
114442 +#include "gcc-common.h"
114443 +#include "size_overflow.h"
114444 +
114445 +#define MIN_CHECK true
114446 +#define MAX_CHECK false
114447 +
114448 +static tree get_size_overflow_type(struct visited *visited, const_gimple stmt, const_tree node)
114449 +{
114450 + const_tree type;
114451 + tree new_type;
114452 +
114453 + gcc_assert(node != NULL_TREE);
114454 +
114455 + type = TREE_TYPE(node);
114456 +
114457 + if (pointer_set_contains(visited->my_stmts, stmt))
114458 + return TREE_TYPE(node);
114459 +
114460 + switch (TYPE_MODE(type)) {
114461 + case QImode:
114462 + new_type = size_overflow_type_HI;
114463 + break;
114464 + case HImode:
114465 + new_type = size_overflow_type_SI;
114466 + break;
114467 + case SImode:
114468 + new_type = size_overflow_type_DI;
114469 + break;
114470 + case DImode:
114471 + if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode))
114472 + new_type = TYPE_UNSIGNED(type) ? unsigned_intDI_type_node : intDI_type_node;
114473 + else
114474 + new_type = size_overflow_type_TI;
114475 + break;
114476 + case TImode:
114477 + gcc_assert(!TYPE_UNSIGNED(type));
114478 + new_type = size_overflow_type_TI;
114479 + break;
114480 + default:
114481 + debug_tree((tree)node);
114482 + error("%s: unsupported gcc configuration (%qE).", __func__, current_function_decl);
114483 + gcc_unreachable();
114484 + }
114485 +
114486 + if (TYPE_QUALS(type) != 0)
114487 + return build_qualified_type(new_type, TYPE_QUALS(type));
114488 + return new_type;
114489 +}
114490 +
114491 +static tree get_lhs(const_gimple stmt)
114492 +{
114493 + switch (gimple_code(stmt)) {
114494 + case GIMPLE_ASSIGN:
114495 + case GIMPLE_CALL:
114496 + return gimple_get_lhs(stmt);
114497 + case GIMPLE_PHI:
114498 + return gimple_phi_result(stmt);
114499 + default:
114500 + return NULL_TREE;
114501 + }
114502 +}
114503 +
114504 +static tree cast_to_new_size_overflow_type(struct visited *visited, gimple stmt, tree rhs, tree size_overflow_type, bool before)
114505 +{
114506 + gimple_stmt_iterator gsi;
114507 + tree lhs;
114508 + gimple new_stmt;
114509 +
114510 + if (rhs == NULL_TREE)
114511 + return NULL_TREE;
114512 +
114513 + gsi = gsi_for_stmt(stmt);
114514 + new_stmt = build_cast_stmt(visited, size_overflow_type, rhs, CREATE_NEW_VAR, &gsi, before, false);
114515 + pointer_set_insert(visited->my_stmts, new_stmt);
114516 +
114517 + lhs = get_lhs(new_stmt);
114518 + gcc_assert(lhs != NULL_TREE);
114519 + return lhs;
114520 +}
114521 +
114522 +tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before)
114523 +{
114524 + tree lhs, dst_type;
114525 + gimple_stmt_iterator gsi;
114526 +
114527 + if (rhs1 == NULL_TREE) {
114528 + debug_gimple_stmt(oldstmt);
114529 + error("%s: rhs1 is NULL_TREE", __func__);
114530 + gcc_unreachable();
114531 + }
114532 +
114533 + switch (gimple_code(oldstmt)) {
114534 + case GIMPLE_ASM:
114535 + lhs = rhs1;
114536 + break;
114537 + case GIMPLE_CALL:
114538 + case GIMPLE_ASSIGN:
114539 + lhs = gimple_get_lhs(oldstmt);
114540 + break;
114541 + default:
114542 + debug_gimple_stmt(oldstmt);
114543 + gcc_unreachable();
114544 + }
114545 +
114546 + gsi = gsi_for_stmt(oldstmt);
114547 + pointer_set_insert(visited->stmts, oldstmt);
114548 + if (lookup_stmt_eh_lp(oldstmt) != 0) {
114549 + basic_block next_bb, cur_bb;
114550 + const_edge e;
114551 +
114552 + gcc_assert(before == false);
114553 + gcc_assert(stmt_can_throw_internal(oldstmt));
114554 + gcc_assert(gimple_code(oldstmt) == GIMPLE_CALL);
114555 + gcc_assert(!gsi_end_p(gsi));
114556 +
114557 + cur_bb = gimple_bb(oldstmt);
114558 + next_bb = cur_bb->next_bb;
114559 + e = find_edge(cur_bb, next_bb);
114560 + gcc_assert(e != NULL);
114561 + gcc_assert(e->flags & EDGE_FALLTHRU);
114562 +
114563 + gsi = gsi_after_labels(next_bb);
114564 + gcc_assert(!gsi_end_p(gsi));
114565 +
114566 + before = true;
114567 + oldstmt = gsi_stmt(gsi);
114568 + }
114569 +
114570 + dst_type = get_size_overflow_type(visited, oldstmt, lhs);
114571 +
114572 + if (is_gimple_constant(rhs1))
114573 + return cast_a_tree(dst_type, rhs1);
114574 + return cast_to_new_size_overflow_type(visited, oldstmt, rhs1, dst_type, before);
114575 +}
114576 +
114577 +tree dup_assign(struct visited *visited, gimple oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3)
114578 +{
114579 + gimple stmt;
114580 + gimple_stmt_iterator gsi;
114581 + tree size_overflow_type, new_var, lhs = gimple_assign_lhs(oldstmt);
114582 +
114583 + if (pointer_set_contains(visited->my_stmts, oldstmt))
114584 + return lhs;
114585 +
114586 + if (gimple_num_ops(oldstmt) != 4 && rhs1 == NULL_TREE) {
114587 + rhs1 = gimple_assign_rhs1(oldstmt);
114588 + rhs1 = create_assign(visited, oldstmt, rhs1, BEFORE_STMT);
114589 + }
114590 + if (gimple_num_ops(oldstmt) == 3 && rhs2 == NULL_TREE) {
114591 + rhs2 = gimple_assign_rhs2(oldstmt);
114592 + rhs2 = create_assign(visited, oldstmt, rhs2, BEFORE_STMT);
114593 + }
114594 +
114595 + stmt = gimple_copy(oldstmt);
114596 + gimple_set_location(stmt, gimple_location(oldstmt));
114597 + pointer_set_insert(visited->my_stmts, stmt);
114598 +
114599 + if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR)
114600 + gimple_assign_set_rhs_code(stmt, MULT_EXPR);
114601 +
114602 + size_overflow_type = get_size_overflow_type(visited, oldstmt, node);
114603 +
114604 + new_var = create_new_var(size_overflow_type);
114605 + new_var = make_ssa_name(new_var, stmt);
114606 + gimple_assign_set_lhs(stmt, new_var);
114607 +
114608 + if (rhs1 != NULL_TREE)
114609 + gimple_assign_set_rhs1(stmt, rhs1);
114610 +
114611 + if (rhs2 != NULL_TREE)
114612 + gimple_assign_set_rhs2(stmt, rhs2);
114613 +#if BUILDING_GCC_VERSION >= 4006
114614 + if (rhs3 != NULL_TREE)
114615 + gimple_assign_set_rhs3(stmt, rhs3);
114616 +#endif
114617 + gimple_set_vuse(stmt, gimple_vuse(oldstmt));
114618 + gimple_set_vdef(stmt, gimple_vdef(oldstmt));
114619 +
114620 + gsi = gsi_for_stmt(oldstmt);
114621 + gsi_insert_after(&gsi, stmt, GSI_SAME_STMT);
114622 + update_stmt(stmt);
114623 + pointer_set_insert(visited->stmts, oldstmt);
114624 + return gimple_assign_lhs(stmt);
114625 +}
114626 +
114627 +static tree cast_parm_decl(struct visited *visited, tree phi_ssa_name, tree arg, tree size_overflow_type, basic_block bb)
114628 +{
114629 + gimple assign;
114630 + gimple_stmt_iterator gsi;
114631 + basic_block first_bb;
114632 +
114633 + gcc_assert(SSA_NAME_IS_DEFAULT_DEF(arg));
114634 +
114635 + if (bb->index == 0) {
114636 + first_bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest;
114637 + gcc_assert(dom_info_available_p(CDI_DOMINATORS));
114638 + set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR_FOR_FN(cfun));
114639 + bb = first_bb;
114640 + }
114641 +
114642 + gsi = gsi_after_labels(bb);
114643 + assign = build_cast_stmt(visited, size_overflow_type, arg, phi_ssa_name, &gsi, BEFORE_STMT, false);
114644 + pointer_set_insert(visited->my_stmts, assign);
114645 +
114646 + return gimple_assign_lhs(assign);
114647 +}
114648 +
114649 +static tree use_phi_ssa_name(struct visited *visited, tree ssa_name_var, tree new_arg)
114650 +{
114651 + gimple_stmt_iterator gsi;
114652 + gimple assign, def_stmt = get_def_stmt(new_arg);
114653 +
114654 + if (gimple_code(def_stmt) == GIMPLE_PHI) {
114655 + gsi = gsi_after_labels(gimple_bb(def_stmt));
114656 + assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, BEFORE_STMT, true);
114657 + } else {
114658 + gsi = gsi_for_stmt(def_stmt);
114659 + assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, AFTER_STMT, true);
114660 + }
114661 +
114662 + pointer_set_insert(visited->my_stmts, assign);
114663 + return gimple_assign_lhs(assign);
114664 +}
114665 +
114666 +static tree cast_visited_phi_arg(struct visited *visited, tree ssa_name_var, tree arg, tree size_overflow_type)
114667 +{
114668 + basic_block bb;
114669 + gimple_stmt_iterator gsi;
114670 + const_gimple def_stmt;
114671 + gimple assign;
114672 +
114673 + def_stmt = get_def_stmt(arg);
114674 + bb = gimple_bb(def_stmt);
114675 + gcc_assert(bb->index != 0);
114676 + gsi = gsi_after_labels(bb);
114677 +
114678 + assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, BEFORE_STMT, false);
114679 + pointer_set_insert(visited->my_stmts, assign);
114680 + return gimple_assign_lhs(assign);
114681 +}
114682 +
114683 +static tree create_new_phi_arg(struct visited *visited, tree ssa_name_var, tree new_arg, gimple oldstmt, unsigned int i)
114684 +{
114685 + tree size_overflow_type;
114686 + tree arg;
114687 + const_gimple def_stmt;
114688 +
114689 + if (new_arg != NULL_TREE && is_gimple_constant(new_arg))
114690 + return new_arg;
114691 +
114692 + arg = gimple_phi_arg_def(oldstmt, i);
114693 + def_stmt = get_def_stmt(arg);
114694 + gcc_assert(def_stmt != NULL);
114695 + size_overflow_type = get_size_overflow_type(visited, oldstmt, arg);
114696 +
114697 + switch (gimple_code(def_stmt)) {
114698 + case GIMPLE_PHI:
114699 + return cast_visited_phi_arg(visited, ssa_name_var, arg, size_overflow_type);
114700 + case GIMPLE_NOP: {
114701 + basic_block bb;
114702 +
114703 + bb = gimple_phi_arg_edge(oldstmt, i)->src;
114704 + return cast_parm_decl(visited, ssa_name_var, arg, size_overflow_type, bb);
114705 + }
114706 + case GIMPLE_ASM: {
114707 + gimple_stmt_iterator gsi;
114708 + gimple assign, stmt = get_def_stmt(arg);
114709 +
114710 + gsi = gsi_for_stmt(stmt);
114711 + assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, AFTER_STMT, false);
114712 + pointer_set_insert(visited->my_stmts, assign);
114713 + return gimple_assign_lhs(assign);
114714 + }
114715 + default:
114716 + gcc_assert(new_arg != NULL_TREE);
114717 + gcc_assert(types_compatible_p(TREE_TYPE(new_arg), size_overflow_type));
114718 + return use_phi_ssa_name(visited, ssa_name_var, new_arg);
114719 + }
114720 +}
114721 +
114722 +static gimple overflow_create_phi_node(struct visited *visited, gimple oldstmt, tree result)
114723 +{
114724 + basic_block bb;
114725 + gimple phi;
114726 + gimple_seq seq;
114727 + gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt);
114728 +
114729 + bb = gsi_bb(gsi);
114730 +
114731 + if (result == NULL_TREE) {
114732 + tree old_result = gimple_phi_result(oldstmt);
114733 + tree size_overflow_type = get_size_overflow_type(visited, oldstmt, old_result);
114734 +
114735 + result = create_new_var(size_overflow_type);
114736 + }
114737 +
114738 + phi = create_phi_node(result, bb);
114739 + gimple_phi_set_result(phi, make_ssa_name(result, phi));
114740 + seq = phi_nodes(bb);
114741 + gsi = gsi_last(seq);
114742 + gsi_remove(&gsi, false);
114743 +
114744 + gsi = gsi_for_stmt(oldstmt);
114745 + gsi_insert_after(&gsi, phi, GSI_NEW_STMT);
114746 + gimple_set_bb(phi, bb);
114747 + return phi;
114748 +}
114749 +
114750 +#if BUILDING_GCC_VERSION <= 4007
114751 +static tree create_new_phi_node(struct visited *visited, VEC(tree, heap) **args, tree ssa_name_var, gimple oldstmt)
114752 +#else
114753 +static tree create_new_phi_node(struct visited *visited, vec<tree, va_heap, vl_embed> *&args, tree ssa_name_var, gimple oldstmt)
114754 +#endif
114755 +{
114756 + gimple new_phi;
114757 + unsigned int i;
114758 + tree arg, result;
114759 + location_t loc = gimple_location(oldstmt);
114760 +
114761 +#if BUILDING_GCC_VERSION <= 4007
114762 + gcc_assert(!VEC_empty(tree, *args));
114763 +#else
114764 + gcc_assert(!args->is_empty());
114765 +#endif
114766 +
114767 + new_phi = overflow_create_phi_node(visited, oldstmt, ssa_name_var);
114768 + result = gimple_phi_result(new_phi);
114769 + ssa_name_var = SSA_NAME_VAR(result);
114770 +
114771 +#if BUILDING_GCC_VERSION <= 4007
114772 + FOR_EACH_VEC_ELT(tree, *args, i, arg) {
114773 +#else
114774 + FOR_EACH_VEC_SAFE_ELT(args, i, arg) {
114775 +#endif
114776 + arg = create_new_phi_arg(visited, ssa_name_var, arg, oldstmt, i);
114777 + add_phi_arg(new_phi, arg, gimple_phi_arg_edge(oldstmt, i), loc);
114778 + }
114779 +
114780 +#if BUILDING_GCC_VERSION <= 4007
114781 + VEC_free(tree, heap, *args);
114782 +#else
114783 + vec_free(args);
114784 +#endif
114785 + update_stmt(new_phi);
114786 + pointer_set_insert(visited->my_stmts, new_phi);
114787 + return result;
114788 +}
114789 +
114790 +static tree handle_phi(struct visited *visited, struct cgraph_node *caller_node, tree orig_result)
114791 +{
114792 + tree ssa_name_var = NULL_TREE;
114793 +#if BUILDING_GCC_VERSION <= 4007
114794 + VEC(tree, heap) *args = NULL;
114795 +#else
114796 + vec<tree, va_heap, vl_embed> *args = NULL;
114797 +#endif
114798 + gimple oldstmt = get_def_stmt(orig_result);
114799 + unsigned int i, len = gimple_phi_num_args(oldstmt);
114800 +
114801 + pointer_set_insert(visited->stmts, oldstmt);
114802 + for (i = 0; i < len; i++) {
114803 + tree arg, new_arg;
114804 +
114805 + arg = gimple_phi_arg_def(oldstmt, i);
114806 + new_arg = expand(visited, caller_node, arg);
114807 +
114808 + if (ssa_name_var == NULL_TREE && new_arg != NULL_TREE)
114809 + ssa_name_var = SSA_NAME_VAR(new_arg);
114810 +
114811 + if (is_gimple_constant(arg)) {
114812 + tree size_overflow_type = get_size_overflow_type(visited, oldstmt, arg);
114813 +
114814 + new_arg = cast_a_tree(size_overflow_type, arg);
114815 + }
114816 +
114817 +#if BUILDING_GCC_VERSION <= 4007
114818 + VEC_safe_push(tree, heap, args, new_arg);
114819 +#else
114820 + vec_safe_push(args, new_arg);
114821 +#endif
114822 + }
114823 +
114824 +#if BUILDING_GCC_VERSION <= 4007
114825 + return create_new_phi_node(visited, &args, ssa_name_var, oldstmt);
114826 +#else
114827 + return create_new_phi_node(visited, args, ssa_name_var, oldstmt);
114828 +#endif
114829 +}
114830 +
114831 +static tree create_cast_assign(struct visited *visited, gimple stmt)
114832 +{
114833 + tree rhs1 = gimple_assign_rhs1(stmt);
114834 + tree lhs = gimple_assign_lhs(stmt);
114835 + const_tree rhs1_type = TREE_TYPE(rhs1);
114836 + const_tree lhs_type = TREE_TYPE(lhs);
114837 +
114838 + if (TYPE_UNSIGNED(rhs1_type) == TYPE_UNSIGNED(lhs_type))
114839 + return create_assign(visited, stmt, lhs, AFTER_STMT);
114840 +
114841 + return create_assign(visited, stmt, rhs1, AFTER_STMT);
114842 +}
114843 +
114844 +static bool skip_lhs_cast_check(const_gimple stmt)
114845 +{
114846 + const_tree rhs = gimple_assign_rhs1(stmt);
114847 + const_gimple def_stmt = get_def_stmt(rhs);
114848 +
114849 + // 3.8.2 kernel/futex_compat.c compat_exit_robust_list(): get_user() 64 ulong -> int (compat_long_t), int max
114850 + if (gimple_code(def_stmt) == GIMPLE_ASM)
114851 + return true;
114852 +
114853 + if (is_const_plus_unsigned_signed_truncation(rhs))
114854 + return true;
114855 +
114856 + return false;
114857 +}
114858 +
114859 +static tree create_string_param(tree string)
114860 +{
114861 + tree i_type, a_type;
114862 + const int length = TREE_STRING_LENGTH(string);
114863 +
114864 + gcc_assert(length > 0);
114865 +
114866 + i_type = build_index_type(build_int_cst(NULL_TREE, length - 1));
114867 + a_type = build_array_type(char_type_node, i_type);
114868 +
114869 + TREE_TYPE(string) = a_type;
114870 + TREE_CONSTANT(string) = 1;
114871 + TREE_READONLY(string) = 1;
114872 +
114873 + return build1(ADDR_EXPR, ptr_type_node, string);
114874 +}
114875 +
114876 +static void insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value)
114877 +{
114878 + gimple cond_stmt;
114879 + gimple_stmt_iterator gsi = gsi_last_bb(cond_bb);
114880 +
114881 + cond_stmt = gimple_build_cond(cond_code, arg, type_value, NULL_TREE, NULL_TREE);
114882 + gsi_insert_after(&gsi, cond_stmt, GSI_CONTINUE_LINKING);
114883 + update_stmt(cond_stmt);
114884 +}
114885 +
114886 +static void insert_cond_result(struct cgraph_node *caller_node, basic_block bb_true, const_gimple stmt, const_tree arg, bool min)
114887 +{
114888 + gimple func_stmt;
114889 + const_gimple def_stmt;
114890 + const_tree loc_line;
114891 + tree loc_file, ssa_name, current_func;
114892 + expanded_location xloc;
114893 + char *ssa_name_buf;
114894 + int len;
114895 + struct cgraph_edge *edge;
114896 + struct cgraph_node *callee_node;
114897 + int frequency;
114898 + gimple_stmt_iterator gsi = gsi_start_bb(bb_true);
114899 +
114900 + def_stmt = get_def_stmt(arg);
114901 + xloc = expand_location(gimple_location(def_stmt));
114902 +
114903 + if (!gimple_has_location(def_stmt)) {
114904 + xloc = expand_location(gimple_location(stmt));
114905 + if (!gimple_has_location(stmt))
114906 + xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
114907 + }
114908 +
114909 + loc_line = build_int_cstu(unsigned_type_node, xloc.line);
114910 +
114911 + loc_file = build_string(strlen(xloc.file) + 1, xloc.file);
114912 + loc_file = create_string_param(loc_file);
114913 +
114914 + current_func = build_string(DECL_NAME_LENGTH(current_function_decl) + 1, DECL_NAME_POINTER(current_function_decl));
114915 + current_func = create_string_param(current_func);
114916 +
114917 + gcc_assert(DECL_NAME(SSA_NAME_VAR(arg)) != NULL);
114918 + call_count++;
114919 + len = asprintf(&ssa_name_buf, "%s_%u %s, count: %u\n", DECL_NAME_POINTER(SSA_NAME_VAR(arg)), SSA_NAME_VERSION(arg), min ? "min" : "max", call_count);
114920 + gcc_assert(len > 0);
114921 + ssa_name = build_string(len + 1, ssa_name_buf);
114922 + free(ssa_name_buf);
114923 + ssa_name = create_string_param(ssa_name);
114924 +
114925 + // void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name)
114926 + func_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name);
114927 + gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING);
114928 +
114929 + callee_node = cgraph_get_create_node(report_size_overflow_decl);
114930 + frequency = compute_call_stmt_bb_frequency(current_function_decl, bb_true);
114931 +
114932 + edge = cgraph_create_edge(caller_node, callee_node, func_stmt, bb_true->count, frequency, bb_true->loop_depth);
114933 + gcc_assert(edge != NULL);
114934 +}
114935 +
114936 +static void insert_check_size_overflow(struct cgraph_node *caller_node, gimple stmt, enum tree_code cond_code, tree arg, tree type_value, bool before, bool min)
114937 +{
114938 + basic_block cond_bb, join_bb, bb_true;
114939 + edge e;
114940 + gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
114941 +
114942 + cond_bb = gimple_bb(stmt);
114943 + if (before)
114944 + gsi_prev(&gsi);
114945 + if (gsi_end_p(gsi))
114946 + e = split_block_after_labels(cond_bb);
114947 + else
114948 + e = split_block(cond_bb, gsi_stmt(gsi));
114949 + cond_bb = e->src;
114950 + join_bb = e->dest;
114951 + e->flags = EDGE_FALSE_VALUE;
114952 + e->probability = REG_BR_PROB_BASE;
114953 +
114954 + bb_true = create_empty_bb(cond_bb);
114955 + make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE);
114956 + make_edge(cond_bb, join_bb, EDGE_FALSE_VALUE);
114957 + make_edge(bb_true, join_bb, EDGE_FALLTHRU);
114958 +
114959 + gcc_assert(dom_info_available_p(CDI_DOMINATORS));
114960 + set_immediate_dominator(CDI_DOMINATORS, bb_true, cond_bb);
114961 + set_immediate_dominator(CDI_DOMINATORS, join_bb, cond_bb);
114962 +
114963 + if (current_loops != NULL) {
114964 + gcc_assert(cond_bb->loop_father == join_bb->loop_father);
114965 + add_bb_to_loop(bb_true, cond_bb->loop_father);
114966 + }
114967 +
114968 + insert_cond(cond_bb, arg, cond_code, type_value);
114969 + insert_cond_result(caller_node, bb_true, stmt, arg, min);
114970 +
114971 +// print_the_code_insertions(stmt);
114972 +}
114973 +
114974 +void check_size_overflow(struct cgraph_node *caller_node, gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before)
114975 +{
114976 + const_tree rhs_type = TREE_TYPE(rhs);
114977 + tree cast_rhs_type, type_max_type, type_min_type, type_max, type_min;
114978 +
114979 + gcc_assert(rhs_type != NULL_TREE);
114980 + if (TREE_CODE(rhs_type) == POINTER_TYPE)
114981 + return;
114982 +
114983 + gcc_assert(TREE_CODE(rhs_type) == INTEGER_TYPE || TREE_CODE(rhs_type) == ENUMERAL_TYPE);
114984 +
114985 + if (is_const_plus_unsigned_signed_truncation(rhs))
114986 + return;
114987 +
114988 + type_max = cast_a_tree(size_overflow_type, TYPE_MAX_VALUE(rhs_type));
114989 + // typemax (-1) < typemin (0)
114990 + if (TREE_OVERFLOW(type_max))
114991 + return;
114992 +
114993 + type_min = cast_a_tree(size_overflow_type, TYPE_MIN_VALUE(rhs_type));
114994 +
114995 + cast_rhs_type = TREE_TYPE(cast_rhs);
114996 + type_max_type = TREE_TYPE(type_max);
114997 + gcc_assert(types_compatible_p(cast_rhs_type, type_max_type));
114998 +
114999 + insert_check_size_overflow(caller_node, stmt, GT_EXPR, cast_rhs, type_max, before, MAX_CHECK);
115000 +
115001 + // special case: get_size_overflow_type(), 32, u64->s
115002 + if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && TYPE_UNSIGNED(size_overflow_type) && !TYPE_UNSIGNED(rhs_type))
115003 + return;
115004 +
115005 + type_min_type = TREE_TYPE(type_min);
115006 + gcc_assert(types_compatible_p(type_max_type, type_min_type));
115007 + insert_check_size_overflow(caller_node, stmt, LT_EXPR, cast_rhs, type_min, before, MIN_CHECK);
115008 +}
115009 +
115010 +static tree create_cast_overflow_check(struct visited *visited, struct cgraph_node *caller_node, tree new_rhs1, gimple stmt)
115011 +{
115012 + bool cast_lhs, cast_rhs;
115013 + tree lhs = gimple_assign_lhs(stmt);
115014 + tree rhs = gimple_assign_rhs1(stmt);
115015 + const_tree lhs_type = TREE_TYPE(lhs);
115016 + const_tree rhs_type = TREE_TYPE(rhs);
115017 + enum machine_mode lhs_mode = TYPE_MODE(lhs_type);
115018 + enum machine_mode rhs_mode = TYPE_MODE(rhs_type);
115019 + unsigned int lhs_size = GET_MODE_BITSIZE(lhs_mode);
115020 + unsigned int rhs_size = GET_MODE_BITSIZE(rhs_mode);
115021 +
115022 + static bool check_lhs[3][4] = {
115023 + // ss su us uu
115024 + { false, true, true, false }, // lhs > rhs
115025 + { false, false, false, false }, // lhs = rhs
115026 + { true, true, true, true }, // lhs < rhs
115027 + };
115028 +
115029 + static bool check_rhs[3][4] = {
115030 + // ss su us uu
115031 + { true, false, true, true }, // lhs > rhs
115032 + { true, false, true, true }, // lhs = rhs
115033 + { true, false, true, true }, // lhs < rhs
115034 + };
115035 +
115036 + // skip lhs check on signed SI -> HI cast or signed SI -> QI cast !!!!
115037 + if (rhs_mode == SImode && !TYPE_UNSIGNED(rhs_type) && (lhs_mode == HImode || lhs_mode == QImode))
115038 + return create_assign(visited, stmt, lhs, AFTER_STMT);
115039 +
115040 + if (lhs_size > rhs_size) {
115041 + cast_lhs = check_lhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115042 + cast_rhs = check_rhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115043 + } else if (lhs_size == rhs_size) {
115044 + cast_lhs = check_lhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115045 + cast_rhs = check_rhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115046 + } else {
115047 + cast_lhs = check_lhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115048 + cast_rhs = check_rhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)];
115049 + }
115050 +
115051 + if (!cast_lhs && !cast_rhs)
115052 + return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
115053 +
115054 + if (cast_lhs && !skip_lhs_cast_check(stmt))
115055 + check_size_overflow(caller_node, stmt, TREE_TYPE(new_rhs1), new_rhs1, lhs, BEFORE_STMT);
115056 +
115057 + if (cast_rhs)
115058 + check_size_overflow(caller_node, stmt, TREE_TYPE(new_rhs1), new_rhs1, rhs, BEFORE_STMT);
115059 +
115060 + return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
115061 +}
115062 +
115063 +static tree handle_unary_rhs(struct visited *visited, struct cgraph_node *caller_node, gimple stmt)
115064 +{
115065 + enum tree_code rhs_code;
115066 + tree rhs1, new_rhs1, lhs = gimple_assign_lhs(stmt);
115067 +
115068 + if (pointer_set_contains(visited->my_stmts, stmt))
115069 + return lhs;
115070 +
115071 + rhs1 = gimple_assign_rhs1(stmt);
115072 + if (TREE_CODE(TREE_TYPE(rhs1)) == POINTER_TYPE)
115073 + return create_assign(visited, stmt, lhs, AFTER_STMT);
115074 +
115075 + new_rhs1 = expand(visited, caller_node, rhs1);
115076 +
115077 + if (new_rhs1 == NULL_TREE)
115078 + return create_cast_assign(visited, stmt);
115079 +
115080 + if (pointer_set_contains(visited->no_cast_check, stmt))
115081 + return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
115082 +
115083 + rhs_code = gimple_assign_rhs_code(stmt);
115084 + if (rhs_code == BIT_NOT_EXPR || rhs_code == NEGATE_EXPR) {
115085 + tree size_overflow_type = get_size_overflow_type(visited, stmt, rhs1);
115086 +
115087 + new_rhs1 = cast_to_new_size_overflow_type(visited, stmt, new_rhs1, size_overflow_type, BEFORE_STMT);
115088 + check_size_overflow(caller_node, stmt, size_overflow_type, new_rhs1, rhs1, BEFORE_STMT);
115089 + return create_assign(visited, stmt, lhs, AFTER_STMT);
115090 + }
115091 +
115092 + if (!gimple_assign_cast_p(stmt))
115093 + return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE);
115094 +
115095 + return create_cast_overflow_check(visited, caller_node, new_rhs1, stmt);
115096 +}
115097 +
115098 +static tree handle_unary_ops(struct visited *visited, struct cgraph_node *caller_node, gimple stmt)
115099 +{
115100 + tree rhs1, lhs = gimple_assign_lhs(stmt);
115101 + gimple def_stmt = get_def_stmt(lhs);
115102 +
115103 + gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP);
115104 + rhs1 = gimple_assign_rhs1(def_stmt);
115105 +
115106 + if (is_gimple_constant(rhs1))
115107 + return create_assign(visited, def_stmt, lhs, AFTER_STMT);
115108 +
115109 + switch (TREE_CODE(rhs1)) {
115110 + case SSA_NAME: {
115111 + tree ret = handle_unary_rhs(visited, caller_node, def_stmt);
115112 +
115113 + if (gimple_assign_cast_p(stmt))
115114 + unsigned_signed_cast_intentional_overflow(visited, stmt);
115115 + return ret;
115116 + }
115117 + case ARRAY_REF:
115118 + case BIT_FIELD_REF:
115119 + case ADDR_EXPR:
115120 + case COMPONENT_REF:
115121 + case INDIRECT_REF:
115122 +#if BUILDING_GCC_VERSION >= 4006
115123 + case MEM_REF:
115124 +#endif
115125 + case TARGET_MEM_REF:
115126 + case VIEW_CONVERT_EXPR:
115127 + return create_assign(visited, def_stmt, lhs, AFTER_STMT);
115128 + case PARM_DECL:
115129 + case VAR_DECL:
115130 + return create_assign(visited, stmt, lhs, AFTER_STMT);
115131 +
115132 + default:
115133 + debug_gimple_stmt(def_stmt);
115134 + debug_tree(rhs1);
115135 + gcc_unreachable();
115136 + }
115137 +}
115138 +
115139 +static void __unused print_the_code_insertions(const_gimple stmt)
115140 +{
115141 + location_t loc = gimple_location(stmt);
115142 +
115143 + inform(loc, "Integer size_overflow check applied here.");
115144 +}
115145 +
115146 +static bool is_from_cast(const_tree node)
115147 +{
115148 + gimple def_stmt = get_def_stmt(node);
115149 +
115150 + if (!def_stmt)
115151 + return false;
115152 +
115153 + if (gimple_assign_cast_p(def_stmt))
115154 + return true;
115155 +
115156 + return false;
115157 +}
115158 +
115159 +// Skip duplication when there is a minus expr and the type of rhs1 or rhs2 is a pointer_type.
115160 +static bool is_a_ptr_minus(gimple stmt)
115161 +{
115162 + const_tree rhs1, rhs2, ptr1_rhs, ptr2_rhs;
115163 +
115164 + if (gimple_assign_rhs_code(stmt) != MINUS_EXPR)
115165 + return false;
115166 +
115167 + rhs1 = gimple_assign_rhs1(stmt);
115168 + if (!is_from_cast(rhs1))
115169 + return false;
115170 +
115171 + rhs2 = gimple_assign_rhs2(stmt);
115172 + if (!is_from_cast(rhs2))
115173 + return false;
115174 +
115175 + ptr1_rhs = gimple_assign_rhs1(get_def_stmt(rhs1));
115176 + ptr2_rhs = gimple_assign_rhs1(get_def_stmt(rhs2));
115177 +
115178 + if (TREE_CODE(TREE_TYPE(ptr1_rhs)) != POINTER_TYPE && TREE_CODE(TREE_TYPE(ptr2_rhs)) != POINTER_TYPE)
115179 + return false;
115180 +
115181 + return true;
115182 +}
115183 +
115184 +static tree handle_binary_ops(struct visited *visited, struct cgraph_node *caller_node, tree lhs)
115185 +{
115186 + enum intentional_overflow_type res;
115187 + tree rhs1, rhs2, new_lhs;
115188 + gimple def_stmt = get_def_stmt(lhs);
115189 + tree new_rhs1 = NULL_TREE;
115190 + tree new_rhs2 = NULL_TREE;
115191 +
115192 + if (is_a_ptr_minus(def_stmt))
115193 + return create_assign(visited, def_stmt, lhs, AFTER_STMT);
115194 +
115195 + rhs1 = gimple_assign_rhs1(def_stmt);
115196 + rhs2 = gimple_assign_rhs2(def_stmt);
115197 +
115198 + /* no DImode/TImode division in the 32/64 bit kernel */
115199 + switch (gimple_assign_rhs_code(def_stmt)) {
115200 + case RDIV_EXPR:
115201 + case TRUNC_DIV_EXPR:
115202 + case CEIL_DIV_EXPR:
115203 + case FLOOR_DIV_EXPR:
115204 + case ROUND_DIV_EXPR:
115205 + case TRUNC_MOD_EXPR:
115206 + case CEIL_MOD_EXPR:
115207 + case FLOOR_MOD_EXPR:
115208 + case ROUND_MOD_EXPR:
115209 + case EXACT_DIV_EXPR:
115210 + case POINTER_PLUS_EXPR:
115211 + case BIT_AND_EXPR:
115212 + return create_assign(visited, def_stmt, lhs, AFTER_STMT);
115213 + default:
115214 + break;
115215 + }
115216 +
115217 + new_lhs = handle_integer_truncation(visited, caller_node, lhs);
115218 + if (new_lhs != NULL_TREE)
115219 + return new_lhs;
115220 +
115221 + if (TREE_CODE(rhs1) == SSA_NAME)
115222 + new_rhs1 = expand(visited, caller_node, rhs1);
115223 + if (TREE_CODE(rhs2) == SSA_NAME)
115224 + new_rhs2 = expand(visited, caller_node, rhs2);
115225 +
115226 + res = add_mul_intentional_overflow(def_stmt);
115227 + if (res != NO_INTENTIONAL_OVERFLOW) {
115228 + new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
115229 + insert_cast_expr(visited, get_def_stmt(new_lhs), res);
115230 + return new_lhs;
115231 + }
115232 +
115233 + if (skip_expr_on_double_type(def_stmt)) {
115234 + new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
115235 + insert_cast_expr(visited, get_def_stmt(new_lhs), NO_INTENTIONAL_OVERFLOW);
115236 + return new_lhs;
115237 + }
115238 +
115239 + if (is_a_neg_overflow(def_stmt, rhs2))
115240 + return handle_intentional_overflow(visited, caller_node, true, def_stmt, new_rhs1, NULL_TREE);
115241 + if (is_a_neg_overflow(def_stmt, rhs1))
115242 + return handle_intentional_overflow(visited, caller_node, true, def_stmt, new_rhs2, new_rhs2);
115243 +
115244 +
115245 + if (is_a_constant_overflow(def_stmt, rhs2))
115246 + return handle_intentional_overflow(visited, caller_node, !is_a_cast_and_const_overflow(rhs1), def_stmt, new_rhs1, NULL_TREE);
115247 + if (is_a_constant_overflow(def_stmt, rhs1))
115248 + return handle_intentional_overflow(visited, caller_node, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, new_rhs2);
115249 +
115250 + // the const is between 0 and (signed) MAX
115251 + if (is_gimple_constant(rhs1))
115252 + new_rhs1 = create_assign(visited, def_stmt, rhs1, BEFORE_STMT);
115253 + if (is_gimple_constant(rhs2))
115254 + new_rhs2 = create_assign(visited, def_stmt, rhs2, BEFORE_STMT);
115255 +
115256 + return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
115257 +}
115258 +
115259 +#if BUILDING_GCC_VERSION >= 4006
115260 +static tree get_new_rhs(struct visited *visited, struct cgraph_node *caller_node, tree size_overflow_type, tree rhs)
115261 +{
115262 + if (is_gimple_constant(rhs))
115263 + return cast_a_tree(size_overflow_type, rhs);
115264 + if (TREE_CODE(rhs) != SSA_NAME)
115265 + return NULL_TREE;
115266 + return expand(visited, caller_node, rhs);
115267 +}
115268 +
115269 +static tree handle_ternary_ops(struct visited *visited, struct cgraph_node *caller_node, tree lhs)
115270 +{
115271 + tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type;
115272 + gimple def_stmt = get_def_stmt(lhs);
115273 +
115274 + size_overflow_type = get_size_overflow_type(visited, def_stmt, lhs);
115275 +
115276 + rhs1 = gimple_assign_rhs1(def_stmt);
115277 + rhs2 = gimple_assign_rhs2(def_stmt);
115278 + rhs3 = gimple_assign_rhs3(def_stmt);
115279 + new_rhs1 = get_new_rhs(visited, caller_node, size_overflow_type, rhs1);
115280 + new_rhs2 = get_new_rhs(visited, caller_node, size_overflow_type, rhs2);
115281 + new_rhs3 = get_new_rhs(visited, caller_node, size_overflow_type, rhs3);
115282 +
115283 + return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, new_rhs3);
115284 +}
115285 +#endif
115286 +
115287 +static tree get_my_stmt_lhs(struct visited *visited, gimple stmt)
115288 +{
115289 + gimple_stmt_iterator gsi;
115290 + gimple next_stmt = NULL;
115291 +
115292 + gsi = gsi_for_stmt(stmt);
115293 +
115294 + do {
115295 + gsi_next(&gsi);
115296 + next_stmt = gsi_stmt(gsi);
115297 +
115298 + if (gimple_code(stmt) == GIMPLE_PHI && !pointer_set_contains(visited->my_stmts, next_stmt))
115299 + return NULL_TREE;
115300 +
115301 + if (pointer_set_contains(visited->my_stmts, next_stmt) && !pointer_set_contains(visited->skip_expr_casts, next_stmt))
115302 + break;
115303 +
115304 + gcc_assert(pointer_set_contains(visited->my_stmts, next_stmt));
115305 + } while (!gsi_end_p(gsi));
115306 +
115307 + gcc_assert(next_stmt);
115308 + return get_lhs(next_stmt);
115309 +}
115310 +
115311 +static tree expand_visited(struct visited *visited, gimple def_stmt)
115312 +{
115313 + gimple_stmt_iterator gsi;
115314 + enum gimple_code code = gimple_code(def_stmt);
115315 +
115316 + if (code == GIMPLE_ASM)
115317 + return NULL_TREE;
115318 +
115319 + gsi = gsi_for_stmt(def_stmt);
115320 + gsi_next(&gsi);
115321 +
115322 + if (gimple_code(def_stmt) == GIMPLE_PHI && gsi_end_p(gsi))
115323 + return NULL_TREE;
115324 + return get_my_stmt_lhs(visited, def_stmt);
115325 +}
115326 +
115327 +tree expand(struct visited *visited, struct cgraph_node *caller_node, tree lhs)
115328 +{
115329 + gimple def_stmt;
115330 +
115331 + def_stmt = get_def_stmt(lhs);
115332 +
115333 + if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP)
115334 + return NULL_TREE;
115335 +
115336 + if (pointer_set_contains(visited->my_stmts, def_stmt))
115337 + return lhs;
115338 +
115339 + if (pointer_set_contains(visited->stmts, def_stmt))
115340 + return expand_visited(visited, def_stmt);
115341 +
115342 + switch (gimple_code(def_stmt)) {
115343 + case GIMPLE_PHI:
115344 + return handle_phi(visited, caller_node, lhs);
115345 + case GIMPLE_CALL:
115346 + case GIMPLE_ASM:
115347 + return create_assign(visited, def_stmt, lhs, AFTER_STMT);
115348 + case GIMPLE_ASSIGN:
115349 + switch (gimple_num_ops(def_stmt)) {
115350 + case 2:
115351 + return handle_unary_ops(visited, caller_node, def_stmt);
115352 + case 3:
115353 + return handle_binary_ops(visited, caller_node, lhs);
115354 +#if BUILDING_GCC_VERSION >= 4006
115355 + case 4:
115356 + return handle_ternary_ops(visited, caller_node, lhs);
115357 +#endif
115358 + }
115359 + default:
115360 + debug_gimple_stmt(def_stmt);
115361 + error("%s: unknown gimple code", __func__);
115362 + gcc_unreachable();
115363 + }
115364 +}
115365 +
115366 diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c
115367 new file mode 100644
115368 index 0000000..df50164
115369 --- /dev/null
115370 +++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_check_ipa.c
115371 @@ -0,0 +1,1141 @@
115372 +/*
115373 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
115374 + * Licensed under the GPL v2, or (at your option) v3
115375 + *
115376 + * Homepage:
115377 + * http://www.grsecurity.net/~ephox/overflow_plugin/
115378 + *
115379 + * Documentation:
115380 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
115381 + *
115382 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
115383 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
115384 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
115385 + *
115386 + * Usage:
115387 + * $ make
115388 + * $ make run
115389 + */
115390 +
115391 +#include "gcc-common.h"
115392 +#include "size_overflow.h"
115393 +
115394 +#define VEC_LEN 128
115395 +#define RET_CHECK NULL_TREE
115396 +#define WRONG_NODE 32
115397 +#define NOT_INTENTIONAL_ASM NULL
115398 +
115399 +unsigned int call_count;
115400 +
115401 +static void set_conditions(struct pointer_set_t *visited, bool *interesting_conditions, const_tree lhs);
115402 +static void walk_use_def(struct pointer_set_t *visited, struct interesting_node *cur_node, tree lhs);
115403 +
115404 +struct visited_fns {
115405 + struct visited_fns *next;
115406 + const_tree fndecl;
115407 + unsigned int num;
115408 + const_gimple first_stmt;
115409 +};
115410 +
115411 +struct next_cgraph_node {
115412 + struct next_cgraph_node *next;
115413 + struct cgraph_node *current_function;
115414 + tree callee_fndecl;
115415 + unsigned int num;
115416 +};
115417 +
115418 +// Don't want to duplicate entries in next_cgraph_node
115419 +static bool is_in_next_cgraph_node(struct next_cgraph_node *head, struct cgraph_node *node, const_tree fndecl, unsigned int num)
115420 +{
115421 + const_tree new_callee_fndecl;
115422 + struct next_cgraph_node *cur_node;
115423 +
115424 + if (fndecl == RET_CHECK)
115425 + new_callee_fndecl = NODE_DECL(node);
115426 + else
115427 + new_callee_fndecl = fndecl;
115428 +
115429 + for (cur_node = head; cur_node; cur_node = cur_node->next) {
115430 + if (!operand_equal_p(NODE_DECL(cur_node->current_function), NODE_DECL(node), 0))
115431 + continue;
115432 + if (!operand_equal_p(cur_node->callee_fndecl, new_callee_fndecl, 0))
115433 + continue;
115434 + if (num == cur_node->num)
115435 + return true;
115436 + }
115437 + return false;
115438 +}
115439 +
115440 +/* Add a next_cgraph_node into the list for handle_function().
115441 + * handle_function() iterates over all the next cgraph nodes and
115442 + * starts the overflow check insertion process.
115443 + */
115444 +static struct next_cgraph_node *create_new_next_cgraph_node(struct next_cgraph_node *head, struct cgraph_node *node, tree fndecl, unsigned int num)
115445 +{
115446 + struct next_cgraph_node *new_node;
115447 +
115448 + if (is_in_next_cgraph_node(head, node, fndecl, num))
115449 + return head;
115450 +
115451 + new_node = (struct next_cgraph_node *)xmalloc(sizeof(*new_node));
115452 + new_node->current_function = node;
115453 + new_node->next = NULL;
115454 + new_node->num = num;
115455 + if (fndecl == RET_CHECK)
115456 + new_node->callee_fndecl = NODE_DECL(node);
115457 + else
115458 + new_node->callee_fndecl = fndecl;
115459 +
115460 + if (!head)
115461 + return new_node;
115462 +
115463 + new_node->next = head;
115464 + return new_node;
115465 +}
115466 +
115467 +static struct next_cgraph_node *create_new_next_cgraph_nodes(struct next_cgraph_node *head, struct cgraph_node *node, unsigned int num)
115468 +{
115469 + struct cgraph_edge *e;
115470 +
115471 + if (num == 0)
115472 + return create_new_next_cgraph_node(head, node, RET_CHECK, num);
115473 +
115474 + for (e = node->callers; e; e = e->next_caller) {
115475 + tree fndecl = gimple_call_fndecl(e->call_stmt);
115476 +
115477 + gcc_assert(fndecl != NULL_TREE);
115478 + head = create_new_next_cgraph_node(head, e->caller, fndecl, num);
115479 + }
115480 +
115481 + return head;
115482 +}
115483 +
115484 +struct missing_functions {
115485 + struct missing_functions *next;
115486 + const_tree node;
115487 + tree fndecl;
115488 +};
115489 +
115490 +static struct missing_functions *create_new_missing_function(struct missing_functions *missing_fn_head, tree node)
115491 +{
115492 + struct missing_functions *new_function;
115493 +
115494 + new_function = (struct missing_functions *)xmalloc(sizeof(*new_function));
115495 + new_function->node = node;
115496 + new_function->next = NULL;
115497 +
115498 + if (TREE_CODE(node) == FUNCTION_DECL)
115499 + new_function->fndecl = node;
115500 + else
115501 + new_function->fndecl = current_function_decl;
115502 + gcc_assert(new_function->fndecl);
115503 +
115504 + if (!missing_fn_head)
115505 + return new_function;
115506 +
115507 + new_function->next = missing_fn_head;
115508 + return new_function;
115509 +}
115510 +
115511 +/* If the function is missing from the hash table and it is a static function
115512 + * then create a next_cgraph_node from it for handle_function()
115513 + */
115514 +static struct next_cgraph_node *check_missing_overflow_attribute_and_create_next_node(struct next_cgraph_node *cnodes, struct missing_functions *missing_fn_head)
115515 +{
115516 + unsigned int num;
115517 + const_tree orig_fndecl;
115518 + struct cgraph_node *next_node = NULL;
115519 +
115520 + orig_fndecl = DECL_ORIGIN(missing_fn_head->fndecl);
115521 +
115522 + num = get_function_num(missing_fn_head->node, orig_fndecl);
115523 + if (num == CANNOT_FIND_ARG)
115524 + return cnodes;
115525 +
115526 + if (!is_missing_function(orig_fndecl, num))
115527 + return cnodes;
115528 +
115529 + next_node = cgraph_get_node(missing_fn_head->fndecl);
115530 + if (next_node && next_node->local.local)
115531 + cnodes = create_new_next_cgraph_nodes(cnodes, next_node, num);
115532 + return cnodes;
115533 +}
115534 +
115535 +/* Search for missing size_overflow attributes on the last nodes in ipa and collect them
115536 + * into the next_cgraph_node list. They will be the next interesting returns or callees.
115537 + */
115538 +static struct next_cgraph_node *search_overflow_attribute(struct next_cgraph_node *cnodes, struct interesting_node *cur_node)
115539 +{
115540 + unsigned int i;
115541 + tree node;
115542 + struct missing_functions *cur, *missing_fn_head = NULL;
115543 +
115544 +#if BUILDING_GCC_VERSION <= 4007
115545 + FOR_EACH_VEC_ELT(tree, cur_node->last_nodes, i, node) {
115546 +#else
115547 + FOR_EACH_VEC_ELT(*cur_node->last_nodes, i, node) {
115548 +#endif
115549 + switch (TREE_CODE(node)) {
115550 + case PARM_DECL:
115551 + if (TREE_CODE(TREE_TYPE(node)) != INTEGER_TYPE)
115552 + break;
115553 + case FUNCTION_DECL:
115554 + missing_fn_head = create_new_missing_function(missing_fn_head, node);
115555 + break;
115556 + default:
115557 + break;
115558 + }
115559 + }
115560 +
115561 + while (missing_fn_head) {
115562 + cnodes = check_missing_overflow_attribute_and_create_next_node(cnodes, missing_fn_head);
115563 +
115564 + cur = missing_fn_head->next;
115565 + free(missing_fn_head);
115566 + missing_fn_head = cur;
115567 + }
115568 +
115569 + return cnodes;
115570 +}
115571 +
115572 +static void walk_phi_set_conditions(struct pointer_set_t *visited, bool *interesting_conditions, const_tree result)
115573 +{
115574 + gimple phi = get_def_stmt(result);
115575 + unsigned int i, n = gimple_phi_num_args(phi);
115576 +
115577 + pointer_set_insert(visited, phi);
115578 + for (i = 0; i < n; i++) {
115579 + const_tree arg = gimple_phi_arg_def(phi, i);
115580 +
115581 + set_conditions(visited, interesting_conditions, arg);
115582 + }
115583 +}
115584 +
115585 +enum conditions {
115586 + FROM_CONST, NOT_UNARY, CAST, RET, PHI
115587 +};
115588 +
115589 +// Search for constants, cast assignments and binary/ternary assignments
115590 +static void set_conditions(struct pointer_set_t *visited, bool *interesting_conditions, const_tree lhs)
115591 +{
115592 + gimple def_stmt = get_def_stmt(lhs);
115593 +
115594 + if (is_gimple_constant(lhs)) {
115595 + interesting_conditions[FROM_CONST] = true;
115596 + return;
115597 + }
115598 +
115599 + if (!def_stmt)
115600 + return;
115601 +
115602 + if (pointer_set_contains(visited, def_stmt))
115603 + return;
115604 +
115605 + switch (gimple_code(def_stmt)) {
115606 + case GIMPLE_CALL:
115607 + if (lhs == gimple_call_lhs(def_stmt))
115608 + interesting_conditions[RET] = true;
115609 + return;
115610 + case GIMPLE_NOP:
115611 + case GIMPLE_ASM:
115612 + return;
115613 + case GIMPLE_PHI:
115614 + interesting_conditions[PHI] = true;
115615 + return walk_phi_set_conditions(visited, interesting_conditions, lhs);
115616 + case GIMPLE_ASSIGN:
115617 + if (gimple_num_ops(def_stmt) == 2) {
115618 + const_tree rhs = gimple_assign_rhs1(def_stmt);
115619 +
115620 + if (gimple_assign_cast_p(def_stmt))
115621 + interesting_conditions[CAST] = true;
115622 +
115623 + return set_conditions(visited, interesting_conditions, rhs);
115624 + } else {
115625 + interesting_conditions[NOT_UNARY] = true;
115626 + return;
115627 + }
115628 + default:
115629 + debug_gimple_stmt(def_stmt);
115630 + gcc_unreachable();
115631 + }
115632 +}
115633 +
115634 +// determine whether duplication will be necessary or not.
115635 +static void search_interesting_conditions(struct interesting_node *cur_node, bool *interesting_conditions)
115636 +{
115637 + struct pointer_set_t *visited;
115638 +
115639 + if (gimple_assign_cast_p(cur_node->first_stmt))
115640 + interesting_conditions[CAST] = true;
115641 + else if (is_gimple_assign(cur_node->first_stmt) && gimple_num_ops(cur_node->first_stmt) > 2)
115642 + interesting_conditions[NOT_UNARY] = true;
115643 +
115644 + visited = pointer_set_create();
115645 + set_conditions(visited, interesting_conditions, cur_node->node);
115646 + pointer_set_destroy(visited);
115647 +}
115648 +
115649 +// Remove the size_overflow asm stmt and create an assignment from the input and output of the asm
115650 +static void replace_size_overflow_asm_with_assign(gimple asm_stmt, tree lhs, tree rhs)
115651 +{
115652 + gimple assign;
115653 + gimple_stmt_iterator gsi;
115654 +
115655 + // already removed
115656 + if (gimple_bb(asm_stmt) == NULL)
115657 + return;
115658 + gsi = gsi_for_stmt(asm_stmt);
115659 +
115660 + assign = gimple_build_assign(lhs, rhs);
115661 + gsi_insert_before(&gsi, assign, GSI_SAME_STMT);
115662 + SSA_NAME_DEF_STMT(lhs) = assign;
115663 +
115664 + gsi_remove(&gsi, true);
115665 +}
115666 +
115667 +/* Get the fndecl of an interesting stmt, the fndecl is the caller function if the interesting
115668 + * stmt is a return otherwise it is the callee function.
115669 + */
115670 +const_tree get_interesting_orig_fndecl(const_gimple stmt, unsigned int argnum)
115671 +{
115672 + const_tree fndecl;
115673 +
115674 + if (argnum == 0)
115675 + fndecl = current_function_decl;
115676 + else
115677 + fndecl = gimple_call_fndecl(stmt);
115678 +
115679 + if (fndecl == NULL_TREE)
115680 + return NULL_TREE;
115681 +
115682 + return DECL_ORIGIN(fndecl);
115683 +}
115684 +
115685 +// e.g., 3.8.2, 64, arch/x86/ia32/ia32_signal.c copy_siginfo_from_user32(): compat_ptr() u32 max
115686 +static bool skip_asm(const_tree arg)
115687 +{
115688 + gimple def_stmt = get_def_stmt(arg);
115689 +
115690 + if (!def_stmt || !gimple_assign_cast_p(def_stmt))
115691 + return false;
115692 +
115693 + def_stmt = get_def_stmt(gimple_assign_rhs1(def_stmt));
115694 + return def_stmt && gimple_code(def_stmt) == GIMPLE_ASM;
115695 +}
115696 +
115697 +static void walk_use_def_phi(struct pointer_set_t *visited, struct interesting_node *cur_node, tree result)
115698 +{
115699 + gimple phi = get_def_stmt(result);
115700 + unsigned int i, n = gimple_phi_num_args(phi);
115701 +
115702 + pointer_set_insert(visited, phi);
115703 + for (i = 0; i < n; i++) {
115704 + tree arg = gimple_phi_arg_def(phi, i);
115705 +
115706 + walk_use_def(visited, cur_node, arg);
115707 + }
115708 +}
115709 +
115710 +static void walk_use_def_binary(struct pointer_set_t *visited, struct interesting_node *cur_node, tree lhs)
115711 +{
115712 + gimple def_stmt = get_def_stmt(lhs);
115713 + tree rhs1, rhs2;
115714 +
115715 + rhs1 = gimple_assign_rhs1(def_stmt);
115716 + rhs2 = gimple_assign_rhs2(def_stmt);
115717 +
115718 + walk_use_def(visited, cur_node, rhs1);
115719 + walk_use_def(visited, cur_node, rhs2);
115720 +}
115721 +
115722 +static void insert_last_node(struct interesting_node *cur_node, tree node)
115723 +{
115724 + unsigned int i;
115725 + tree element;
115726 + enum tree_code code;
115727 +
115728 + gcc_assert(node != NULL_TREE);
115729 +
115730 + if (is_gimple_constant(node))
115731 + return;
115732 +
115733 + code = TREE_CODE(node);
115734 + if (code == VAR_DECL) {
115735 + node = DECL_ORIGIN(node);
115736 + code = TREE_CODE(node);
115737 + }
115738 +
115739 + if (code != PARM_DECL && code != FUNCTION_DECL && code != COMPONENT_REF)
115740 + return;
115741 +
115742 +#if BUILDING_GCC_VERSION <= 4007
115743 + FOR_EACH_VEC_ELT(tree, cur_node->last_nodes, i, element) {
115744 +#else
115745 + FOR_EACH_VEC_ELT(*cur_node->last_nodes, i, element) {
115746 +#endif
115747 + if (operand_equal_p(node, element, 0))
115748 + return;
115749 + }
115750 +
115751 +#if BUILDING_GCC_VERSION <= 4007
115752 + gcc_assert(VEC_length(tree, cur_node->last_nodes) < VEC_LEN);
115753 + VEC_safe_push(tree, gc, cur_node->last_nodes, node);
115754 +#else
115755 + gcc_assert(cur_node->last_nodes->length() < VEC_LEN);
115756 + vec_safe_push(cur_node->last_nodes, node);
115757 +#endif
115758 +}
115759 +
115760 +// a size_overflow asm stmt in the control flow doesn't stop the recursion
115761 +static void handle_asm_stmt(struct pointer_set_t *visited, struct interesting_node *cur_node, tree lhs, const_gimple stmt)
115762 +{
115763 + if (!is_size_overflow_asm(stmt))
115764 + walk_use_def(visited, cur_node, SSA_NAME_VAR(lhs));
115765 +}
115766 +
115767 +/* collect the parm_decls and fndecls (for checking a missing size_overflow attribute (ret or arg) or intentional_overflow)
115768 + * and component refs (for checking the intentional_overflow attribute).
115769 + */
115770 +static void walk_use_def(struct pointer_set_t *visited, struct interesting_node *cur_node, tree lhs)
115771 +{
115772 + const_gimple def_stmt;
115773 +
115774 + if (TREE_CODE(lhs) != SSA_NAME) {
115775 + insert_last_node(cur_node, lhs);
115776 + return;
115777 + }
115778 +
115779 + def_stmt = get_def_stmt(lhs);
115780 + if (!def_stmt)
115781 + return;
115782 +
115783 + if (pointer_set_insert(visited, def_stmt))
115784 + return;
115785 +
115786 + switch (gimple_code(def_stmt)) {
115787 + case GIMPLE_NOP:
115788 + return walk_use_def(visited, cur_node, SSA_NAME_VAR(lhs));
115789 + case GIMPLE_ASM:
115790 + return handle_asm_stmt(visited, cur_node, lhs, def_stmt);
115791 + case GIMPLE_CALL: {
115792 + tree fndecl = gimple_call_fndecl(def_stmt);
115793 +
115794 + if (fndecl == NULL_TREE)
115795 + return;
115796 + insert_last_node(cur_node, fndecl);
115797 + return;
115798 + }
115799 + case GIMPLE_PHI:
115800 + return walk_use_def_phi(visited, cur_node, lhs);
115801 + case GIMPLE_ASSIGN:
115802 + switch (gimple_num_ops(def_stmt)) {
115803 + case 2:
115804 + return walk_use_def(visited, cur_node, gimple_assign_rhs1(def_stmt));
115805 + case 3:
115806 + return walk_use_def_binary(visited, cur_node, lhs);
115807 + }
115808 + default:
115809 + debug_gimple_stmt((gimple)def_stmt);
115810 + error("%s: unknown gimple code", __func__);
115811 + gcc_unreachable();
115812 + }
115813 +}
115814 +
115815 +// Collect all the last nodes for checking the intentional_overflow and size_overflow attributes
115816 +static void set_last_nodes(struct interesting_node *cur_node)
115817 +{
115818 + struct pointer_set_t *visited;
115819 +
115820 + visited = pointer_set_create();
115821 + walk_use_def(visited, cur_node, cur_node->node);
115822 + pointer_set_destroy(visited);
115823 +}
115824 +
115825 +enum precond {
115826 + NO_ATTRIBUTE_SEARCH, NO_CHECK_INSERT, NONE
115827 +};
115828 +
115829 +/* If there is a mark_turn_off intentional attribute on the caller or the callee then there is no duplication and missing size_overflow attribute check anywhere.
115830 + * There is only missing size_overflow attribute checking if the intentional_overflow attribute is the mark_no type.
115831 + * Stmt duplication is unnecessary if there are no binary/ternary assignements or if the unary assignment isn't a cast.
115832 + * It skips the possible error codes too.
115833 + */
115834 +static enum precond check_preconditions(struct interesting_node *cur_node)
115835 +{
115836 + bool interesting_conditions[5] = {false, false, false, false, false};
115837 +
115838 + set_last_nodes(cur_node);
115839 +
115840 + check_intentional_attribute_ipa(cur_node);
115841 + if (cur_node->intentional_attr_decl == MARK_TURN_OFF || cur_node->intentional_attr_cur_fndecl == MARK_TURN_OFF)
115842 + return NO_ATTRIBUTE_SEARCH;
115843 +
115844 + search_interesting_conditions(cur_node, interesting_conditions);
115845 +
115846 + // error code: a phi, unary assign (not cast) and returns only
115847 + if (!interesting_conditions[NOT_UNARY] && interesting_conditions[PHI] && interesting_conditions[RET] && !interesting_conditions[CAST])
115848 + return NO_ATTRIBUTE_SEARCH;
115849 +
115850 + // error code: def_stmts trace back to a constant and there are no binary/ternary assigments
115851 + if (interesting_conditions[CAST] && interesting_conditions[FROM_CONST] && !interesting_conditions[NOT_UNARY])
115852 + return NO_ATTRIBUTE_SEARCH;
115853 +
115854 + // unnecessary overflow check
115855 + if (!interesting_conditions[CAST] && !interesting_conditions[NOT_UNARY])
115856 + return NO_CHECK_INSERT;
115857 +
115858 + if (cur_node->intentional_attr_cur_fndecl != MARK_NO)
115859 + return NO_CHECK_INSERT;
115860 +
115861 + return NONE;
115862 +}
115863 +
115864 +static tree cast_to_orig_type(struct visited *visited, gimple stmt, const_tree orig_node, tree new_node)
115865 +{
115866 + const_gimple assign;
115867 + tree orig_type = TREE_TYPE(orig_node);
115868 + gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
115869 +
115870 + assign = build_cast_stmt(visited, orig_type, new_node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false);
115871 + return gimple_assign_lhs(assign);
115872 +}
115873 +
115874 +static void change_orig_node(struct visited *visited, struct interesting_node *cur_node, tree new_node)
115875 +{
115876 + void (*set_rhs)(gimple, tree);
115877 + gimple stmt = cur_node->first_stmt;
115878 + const_tree orig_node = cur_node->node;
115879 +
115880 + switch (gimple_code(stmt)) {
115881 + case GIMPLE_RETURN:
115882 + gimple_return_set_retval(stmt, cast_to_orig_type(visited, stmt, orig_node, new_node));
115883 + break;
115884 + case GIMPLE_CALL:
115885 + gimple_call_set_arg(stmt, cur_node->num - 1, cast_to_orig_type(visited, stmt, orig_node, new_node));
115886 + break;
115887 + case GIMPLE_ASSIGN:
115888 + switch (cur_node->num) {
115889 + case 1:
115890 + set_rhs = &gimple_assign_set_rhs1;
115891 + break;
115892 + case 2:
115893 + set_rhs = &gimple_assign_set_rhs2;
115894 + break;
115895 +#if BUILDING_GCC_VERSION >= 4006
115896 + case 3:
115897 + set_rhs = &gimple_assign_set_rhs3;
115898 + break;
115899 +#endif
115900 + default:
115901 + gcc_unreachable();
115902 + }
115903 +
115904 + set_rhs(stmt, cast_to_orig_type(visited, stmt, orig_node, new_node));
115905 + break;
115906 + default:
115907 + debug_gimple_stmt(stmt);
115908 + gcc_unreachable();
115909 + }
115910 +
115911 + update_stmt(stmt);
115912 +}
115913 +
115914 +static struct visited *create_visited(void)
115915 +{
115916 + struct visited *new_node;
115917 +
115918 + new_node = (struct visited *)xmalloc(sizeof(*new_node));
115919 + new_node->stmts = pointer_set_create();
115920 + new_node->my_stmts = pointer_set_create();
115921 + new_node->skip_expr_casts = pointer_set_create();
115922 + new_node->no_cast_check = pointer_set_create();
115923 + return new_node;
115924 +}
115925 +
115926 +static void free_visited(struct visited *visited)
115927 +{
115928 + pointer_set_destroy(visited->stmts);
115929 + pointer_set_destroy(visited->my_stmts);
115930 + pointer_set_destroy(visited->skip_expr_casts);
115931 + pointer_set_destroy(visited->no_cast_check);
115932 +
115933 + free(visited);
115934 +}
115935 +
115936 +/* This function calls the main recursion function (expand) that duplicates the stmts. Before that it checks the intentional_overflow attribute and asm stmts,
115937 + * it decides whether the duplication is necessary or not and it searches for missing size_overflow attributes. After expand() it changes the orig node to the duplicated node
115938 + * in the original stmt (first stmt) and it inserts the overflow check for the arg of the callee or for the return value.
115939 + */
115940 +static struct next_cgraph_node *handle_interesting_stmt(struct visited *visited, struct next_cgraph_node *cnodes, struct interesting_node *cur_node, struct cgraph_node *caller_node)
115941 +{
115942 + enum precond ret;
115943 + tree new_node, orig_node = cur_node->node;
115944 +
115945 + ret = check_preconditions(cur_node);
115946 + if (ret == NO_ATTRIBUTE_SEARCH)
115947 + return cnodes;
115948 +
115949 + cnodes = search_overflow_attribute(cnodes, cur_node);
115950 +
115951 + if (ret == NO_CHECK_INSERT)
115952 + return cnodes;
115953 +
115954 + new_node = expand(visited, caller_node, orig_node);
115955 + if (new_node == NULL_TREE)
115956 + return cnodes;
115957 +
115958 + change_orig_node(visited, cur_node, new_node);
115959 + check_size_overflow(caller_node, cur_node->first_stmt, TREE_TYPE(new_node), new_node, orig_node, BEFORE_STMT);
115960 +
115961 + return cnodes;
115962 +}
115963 +
115964 +// Check visited_fns interesting nodes.
115965 +static bool is_in_interesting_node(struct interesting_node *head, const_gimple first_stmt, const_tree node, unsigned int num)
115966 +{
115967 + struct interesting_node *cur;
115968 +
115969 + for (cur = head; cur; cur = cur->next) {
115970 + if (!operand_equal_p(node, cur->node, 0))
115971 + continue;
115972 + if (num != cur->num)
115973 + continue;
115974 + if (first_stmt == cur->first_stmt)
115975 + return true;
115976 + }
115977 + return false;
115978 +}
115979 +
115980 +/* Create an interesting node. The ipa pass starts to duplicate from these stmts.
115981 + first_stmt: it is the call or assignment or ret stmt, change_orig_node() will change the original node (retval, or function arg) in this
115982 + last_nodes: they are the last stmts in the recursion (they haven't a def_stmt). They are useful in the missing size_overflow attribute check and
115983 + the intentional_overflow attribute check. They are collected by set_last_nodes().
115984 + num: arg count of a call stmt or 0 when it is a ret
115985 + node: the recursion starts from here, it is a call arg or a return value
115986 + fndecl: the fndecl of the interesting node when the node is an arg. it is the fndecl of the callee function otherwise it is the fndecl of the caller (current_function_fndecl) function.
115987 + intentional_attr_decl: intentional_overflow attribute of the callee function
115988 + intentional_attr_cur_fndecl: intentional_overflow attribute of the caller function
115989 + intentional_mark_from_gimple: the intentional overflow type of size_overflow asm stmt from gimple if it exists
115990 + */
115991 +static struct interesting_node *create_new_interesting_node(struct interesting_node *head, gimple first_stmt, tree node, unsigned int num, gimple asm_stmt)
115992 +{
115993 + struct interesting_node *new_node;
115994 + tree fndecl;
115995 + enum gimple_code code;
115996 +
115997 + gcc_assert(node != NULL_TREE);
115998 + code = gimple_code(first_stmt);
115999 + gcc_assert(code == GIMPLE_CALL || code == GIMPLE_ASM || code == GIMPLE_ASSIGN || code == GIMPLE_RETURN);
116000 +
116001 + if (num == CANNOT_FIND_ARG)
116002 + return head;
116003 +
116004 + if (skip_types(node))
116005 + return head;
116006 +
116007 + if (skip_asm(node))
116008 + return head;
116009 +
116010 + if (is_gimple_call(first_stmt))
116011 + fndecl = gimple_call_fndecl(first_stmt);
116012 + else
116013 + fndecl = current_function_decl;
116014 +
116015 + if (fndecl == NULL_TREE)
116016 + return head;
116017 +
116018 + if (is_in_interesting_node(head, first_stmt, node, num))
116019 + return head;
116020 +
116021 + new_node = (struct interesting_node *)xmalloc(sizeof(*new_node));
116022 +
116023 + new_node->next = NULL;
116024 + new_node->first_stmt = first_stmt;
116025 +#if BUILDING_GCC_VERSION <= 4007
116026 + new_node->last_nodes = VEC_alloc(tree, gc, VEC_LEN);
116027 +#else
116028 + vec_alloc(new_node->last_nodes, VEC_LEN);
116029 +#endif
116030 + new_node->num = num;
116031 + new_node->node = node;
116032 + new_node->fndecl = fndecl;
116033 + new_node->intentional_attr_decl = MARK_NO;
116034 + new_node->intentional_attr_cur_fndecl = MARK_NO;
116035 + new_node->intentional_mark_from_gimple = asm_stmt;
116036 +
116037 + if (!head)
116038 + return new_node;
116039 +
116040 + new_node->next = head;
116041 + return new_node;
116042 +}
116043 +
116044 +/* Check the ret stmts in the functions on the next cgraph node list (these functions will be in the hash table and they are reachable from ipa).
116045 + * If the ret stmt is in the next cgraph node list then it's an interesting ret.
116046 + */
116047 +static struct interesting_node *handle_stmt_by_cgraph_nodes_ret(struct interesting_node *head, gimple stmt, struct next_cgraph_node *next_node)
116048 +{
116049 + struct next_cgraph_node *cur_node;
116050 + tree ret = gimple_return_retval(stmt);
116051 +
116052 + if (ret == NULL_TREE)
116053 + return head;
116054 +
116055 + for (cur_node = next_node; cur_node; cur_node = cur_node->next) {
116056 + if (!operand_equal_p(cur_node->callee_fndecl, DECL_ORIGIN(current_function_decl), 0))
116057 + continue;
116058 + if (cur_node->num == 0)
116059 + head = create_new_interesting_node(head, stmt, ret, 0, NOT_INTENTIONAL_ASM);
116060 + }
116061 +
116062 + return head;
116063 +}
116064 +
116065 +/* Check the call stmts in the functions on the next cgraph node list (these functions will be in the hash table and they are reachable from ipa).
116066 + * If the call stmt is in the next cgraph node list then it's an interesting call.
116067 + */
116068 +static struct interesting_node *handle_stmt_by_cgraph_nodes_call(struct interesting_node *head, gimple stmt, struct next_cgraph_node *next_node)
116069 +{
116070 + unsigned int argnum;
116071 + tree arg;
116072 + const_tree fndecl;
116073 + struct next_cgraph_node *cur_node;
116074 +
116075 + fndecl = gimple_call_fndecl(stmt);
116076 + if (fndecl == NULL_TREE)
116077 + return head;
116078 +
116079 + for (cur_node = next_node; cur_node; cur_node = cur_node->next) {
116080 + if (!operand_equal_p(cur_node->callee_fndecl, fndecl, 0))
116081 + continue;
116082 + argnum = get_correct_arg_count(cur_node->num, fndecl);
116083 + gcc_assert(argnum != CANNOT_FIND_ARG);
116084 + if (argnum == 0)
116085 + continue;
116086 +
116087 + arg = gimple_call_arg(stmt, argnum - 1);
116088 + head = create_new_interesting_node(head, stmt, arg, argnum, NOT_INTENTIONAL_ASM);
116089 + }
116090 +
116091 + return head;
116092 +}
116093 +
116094 +static unsigned int check_ops(const_tree orig_node, const_tree node, unsigned int ret_count)
116095 +{
116096 + if (!operand_equal_p(orig_node, node, 0))
116097 + return WRONG_NODE;
116098 + if (skip_types(node))
116099 + return WRONG_NODE;
116100 + return ret_count;
116101 +}
116102 +
116103 +// Get the index of the rhs node in an assignment
116104 +static unsigned int get_assign_ops_count(const_gimple stmt, tree node)
116105 +{
116106 + const_tree rhs1, rhs2;
116107 + unsigned int ret;
116108 +
116109 + gcc_assert(stmt);
116110 + gcc_assert(is_gimple_assign(stmt));
116111 +
116112 + rhs1 = gimple_assign_rhs1(stmt);
116113 + gcc_assert(rhs1 != NULL_TREE);
116114 +
116115 + switch (gimple_num_ops(stmt)) {
116116 + case 2:
116117 + return check_ops(node, rhs1, 1);
116118 + case 3:
116119 + ret = check_ops(node, rhs1, 1);
116120 + if (ret != WRONG_NODE)
116121 + return ret;
116122 +
116123 + rhs2 = gimple_assign_rhs2(stmt);
116124 + gcc_assert(rhs2 != NULL_TREE);
116125 + return check_ops(node, rhs2, 2);
116126 + default:
116127 + gcc_unreachable();
116128 + }
116129 +}
116130 +
116131 +// Find the correct arg number of a call stmt. It is needed when the interesting function is a cloned function.
116132 +static unsigned int find_arg_number_gimple(const_tree arg, const_gimple stmt)
116133 +{
116134 + unsigned int i;
116135 +
116136 + if (gimple_call_fndecl(stmt) == NULL_TREE)
116137 + return CANNOT_FIND_ARG;
116138 +
116139 + for (i = 0; i < gimple_call_num_args(stmt); i++) {
116140 + tree node;
116141 +
116142 + node = gimple_call_arg(stmt, i);
116143 + if (!operand_equal_p(arg, node, 0))
116144 + continue;
116145 + if (!skip_types(node))
116146 + return i + 1;
116147 + }
116148 +
116149 + return CANNOT_FIND_ARG;
116150 +}
116151 +
116152 +/* starting from the size_overflow asm stmt collect interesting stmts. They can be
116153 + * any of return, call or assignment stmts (because of inlining).
116154 + */
116155 +static struct interesting_node *get_interesting_ret_or_call(struct pointer_set_t *visited, struct interesting_node *head, tree node, gimple intentional_asm)
116156 +{
116157 + use_operand_p use_p;
116158 + imm_use_iterator imm_iter;
116159 + unsigned int argnum;
116160 +
116161 + gcc_assert(TREE_CODE(node) == SSA_NAME);
116162 +
116163 + if (pointer_set_insert(visited, node))
116164 + return head;
116165 +
116166 + FOR_EACH_IMM_USE_FAST(use_p, imm_iter, node) {
116167 + gimple stmt = USE_STMT(use_p);
116168 +
116169 + if (stmt == NULL)
116170 + return head;
116171 + if (is_gimple_debug(stmt))
116172 + continue;
116173 +
116174 + switch (gimple_code(stmt)) {
116175 + case GIMPLE_CALL:
116176 + argnum = find_arg_number_gimple(node, stmt);
116177 + head = create_new_interesting_node(head, stmt, node, argnum, intentional_asm);
116178 + break;
116179 + case GIMPLE_RETURN:
116180 + head = create_new_interesting_node(head, stmt, node, 0, intentional_asm);
116181 + break;
116182 + case GIMPLE_ASSIGN:
116183 + argnum = get_assign_ops_count(stmt, node);
116184 + head = create_new_interesting_node(head, stmt, node, argnum, intentional_asm);
116185 + break;
116186 + case GIMPLE_PHI: {
116187 + tree result = gimple_phi_result(stmt);
116188 + head = get_interesting_ret_or_call(visited, head, result, intentional_asm);
116189 + break;
116190 + }
116191 + case GIMPLE_ASM:
116192 + if (gimple_asm_noutputs(stmt) != 0)
116193 + break;
116194 + if (!is_size_overflow_asm(stmt))
116195 + break;
116196 + head = create_new_interesting_node(head, stmt, node, 1, intentional_asm);
116197 + break;
116198 + case GIMPLE_COND:
116199 + case GIMPLE_SWITCH:
116200 + break;
116201 + default:
116202 + debug_gimple_stmt(stmt);
116203 + gcc_unreachable();
116204 + break;
116205 + }
116206 + }
116207 + return head;
116208 +}
116209 +
116210 +static void remove_size_overflow_asm(gimple stmt)
116211 +{
116212 + gimple_stmt_iterator gsi;
116213 + tree input, output;
116214 +
116215 + if (!is_size_overflow_asm(stmt))
116216 + return;
116217 +
116218 + if (gimple_asm_noutputs(stmt) == 0) {
116219 + gsi = gsi_for_stmt(stmt);
116220 + ipa_remove_stmt_references(cgraph_get_create_node(current_function_decl), stmt);
116221 + gsi_remove(&gsi, true);
116222 + return;
116223 + }
116224 +
116225 + input = gimple_asm_input_op(stmt, 0);
116226 + output = gimple_asm_output_op(stmt, 0);
116227 + replace_size_overflow_asm_with_assign(stmt, TREE_VALUE(output), TREE_VALUE(input));
116228 +}
116229 +
116230 +/* handle the size_overflow asm stmts from the gimple pass and collect the interesting stmts.
116231 + * If the asm stmt is a parm_decl kind (noutputs == 0) then remove it.
116232 + * If it is a simple asm stmt then replace it with an assignment from the asm input to the asm output.
116233 + */
116234 +static struct interesting_node *handle_stmt_by_size_overflow_asm(gimple stmt, struct interesting_node *head)
116235 +{
116236 + const_tree output;
116237 + struct pointer_set_t *visited;
116238 + gimple intentional_asm = NOT_INTENTIONAL_ASM;
116239 +
116240 + if (!is_size_overflow_asm(stmt))
116241 + return head;
116242 +
116243 + if (is_size_overflow_intentional_asm_yes(stmt) || is_size_overflow_intentional_asm_turn_off(stmt))
116244 + intentional_asm = stmt;
116245 +
116246 + gcc_assert(gimple_asm_ninputs(stmt) == 1);
116247 +
116248 + if (gimple_asm_noutputs(stmt) == 0 && is_size_overflow_intentional_asm_turn_off(stmt))
116249 + return head;
116250 +
116251 + if (gimple_asm_noutputs(stmt) == 0) {
116252 + const_tree input;
116253 +
116254 + if (!is_size_overflow_intentional_asm_turn_off(stmt))
116255 + return head;
116256 +
116257 + input = gimple_asm_input_op(stmt, 0);
116258 + remove_size_overflow_asm(stmt);
116259 + if (is_gimple_constant(TREE_VALUE(input)))
116260 + return head;
116261 + visited = pointer_set_create();
116262 + head = get_interesting_ret_or_call(visited, head, TREE_VALUE(input), intentional_asm);
116263 + pointer_set_destroy(visited);
116264 + return head;
116265 + }
116266 +
116267 + if (!is_size_overflow_intentional_asm_yes(stmt) && !is_size_overflow_intentional_asm_turn_off(stmt))
116268 + remove_size_overflow_asm(stmt);
116269 +
116270 + visited = pointer_set_create();
116271 + output = gimple_asm_output_op(stmt, 0);
116272 + head = get_interesting_ret_or_call(visited, head, TREE_VALUE(output), intentional_asm);
116273 + pointer_set_destroy(visited);
116274 + return head;
116275 +}
116276 +
116277 +/* Iterate over all the stmts of a function and look for the size_overflow asm stmts (they were created in the gimple pass)
116278 + * or a call stmt or a return stmt and store them in the interesting_node list
116279 + */
116280 +static struct interesting_node *collect_interesting_stmts(struct next_cgraph_node *next_node)
116281 +{
116282 + basic_block bb;
116283 + struct interesting_node *head = NULL;
116284 +
116285 + FOR_ALL_BB_FN(bb, cfun) {
116286 + gimple_stmt_iterator gsi;
116287 +
116288 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
116289 + enum gimple_code code;
116290 + gimple stmt = gsi_stmt(gsi);
116291 +
116292 + code = gimple_code(stmt);
116293 +
116294 + if (code == GIMPLE_ASM)
116295 + head = handle_stmt_by_size_overflow_asm(stmt, head);
116296 +
116297 + if (!next_node)
116298 + continue;
116299 + if (code == GIMPLE_CALL)
116300 + head = handle_stmt_by_cgraph_nodes_call(head, stmt, next_node);
116301 + if (code == GIMPLE_RETURN)
116302 + head = handle_stmt_by_cgraph_nodes_ret(head, stmt, next_node);
116303 + }
116304 + }
116305 + return head;
116306 +}
116307 +
116308 +static void free_interesting_node(struct interesting_node *head)
116309 +{
116310 + struct interesting_node *cur;
116311 +
116312 + while (head) {
116313 + cur = head->next;
116314 +#if BUILDING_GCC_VERSION <= 4007
116315 + VEC_free(tree, gc, head->last_nodes);
116316 +#else
116317 + vec_free(head->last_nodes);
116318 +#endif
116319 + free(head);
116320 + head = cur;
116321 + }
116322 +}
116323 +
116324 +static struct visited_fns *insert_visited_fns_function(struct visited_fns *head, struct interesting_node *cur_node)
116325 +{
116326 + struct visited_fns *new_visited_fns;
116327 +
116328 + new_visited_fns = (struct visited_fns *)xmalloc(sizeof(*new_visited_fns));
116329 + new_visited_fns->fndecl = cur_node->fndecl;
116330 + new_visited_fns->num = cur_node->num;
116331 + new_visited_fns->first_stmt = cur_node->first_stmt;
116332 + new_visited_fns->next = NULL;
116333 +
116334 + if (!head)
116335 + return new_visited_fns;
116336 +
116337 + new_visited_fns->next = head;
116338 + return new_visited_fns;
116339 +}
116340 +
116341 +/* Check whether the function was already visited_fns. If the fndecl, the arg count of the fndecl and the first_stmt (call or return) are same then
116342 + * it is a visited_fns function.
116343 + */
116344 +static bool is_visited_fns_function(struct visited_fns *head, struct interesting_node *cur_node)
116345 +{
116346 + struct visited_fns *cur;
116347 +
116348 + if (!head)
116349 + return false;
116350 +
116351 + for (cur = head; cur; cur = cur->next) {
116352 + if (cur_node->first_stmt != cur->first_stmt)
116353 + continue;
116354 + if (!operand_equal_p(cur_node->fndecl, cur->fndecl, 0))
116355 + continue;
116356 + if (cur_node->num == cur->num)
116357 + return true;
116358 + }
116359 + return false;
116360 +}
116361 +
116362 +static void free_next_cgraph_node(struct next_cgraph_node *head)
116363 +{
116364 + struct next_cgraph_node *cur;
116365 +
116366 + while (head) {
116367 + cur = head->next;
116368 + free(head);
116369 + head = cur;
116370 + }
116371 +}
116372 +
116373 +static void remove_all_size_overflow_asm(void)
116374 +{
116375 + basic_block bb;
116376 +
116377 + FOR_ALL_BB_FN(bb, cfun) {
116378 + gimple_stmt_iterator si;
116379 +
116380 + for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si))
116381 + remove_size_overflow_asm(gsi_stmt(si));
116382 + }
116383 +}
116384 +
116385 +/* Main recursive walk of the ipa pass: iterate over the collected interesting stmts in a function
116386 + * (they are interesting if they have an associated size_overflow asm stmt) and recursively walk
116387 + * the newly collected interesting functions (they are interesting if there is control flow between
116388 + * the interesting stmts and them).
116389 + */
116390 +static struct visited_fns *handle_function(struct cgraph_node *node, struct next_cgraph_node *next_node, struct visited_fns *visited_fns)
116391 +{
116392 + struct visited *visited;
116393 + struct interesting_node *head, *cur_node;
116394 + struct next_cgraph_node *cur_cnodes, *cnodes_head = NULL;
116395 +
116396 + set_current_function_decl(NODE_DECL(node));
116397 + call_count = 0;
116398 +
116399 + head = collect_interesting_stmts(next_node);
116400 +
116401 + visited = create_visited();
116402 + for (cur_node = head; cur_node; cur_node = cur_node->next) {
116403 + if (is_visited_fns_function(visited_fns, cur_node))
116404 + continue;
116405 + cnodes_head = handle_interesting_stmt(visited, cnodes_head, cur_node, node);
116406 + visited_fns = insert_visited_fns_function(visited_fns, cur_node);
116407 + }
116408 +
116409 + free_visited(visited);
116410 + free_interesting_node(head);
116411 + remove_all_size_overflow_asm();
116412 + unset_current_function_decl();
116413 +
116414 + for (cur_cnodes = cnodes_head; cur_cnodes; cur_cnodes = cur_cnodes->next)
116415 + visited_fns = handle_function(cur_cnodes->current_function, cur_cnodes, visited_fns);
116416 +
116417 + free_next_cgraph_node(cnodes_head);
116418 + return visited_fns;
116419 +}
116420 +
116421 +static void free_visited_fns(struct visited_fns *head)
116422 +{
116423 + struct visited_fns *cur;
116424 +
116425 + while (head) {
116426 + cur = head->next;
116427 + free(head);
116428 + head = cur;
116429 + }
116430 +}
116431 +
116432 +// Main entry point of the ipa pass: erases the plf flag of all stmts and iterates over all the functions
116433 +unsigned int search_function(void)
116434 +{
116435 + struct cgraph_node *node;
116436 + struct visited_fns *visited_fns = NULL;
116437 +
116438 + FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) {
116439 + gcc_assert(cgraph_function_flags_ready);
116440 +#if BUILDING_GCC_VERSION <= 4007
116441 + gcc_assert(node->reachable);
116442 +#endif
116443 +
116444 + visited_fns = handle_function(node, NULL, visited_fns);
116445 + }
116446 +
116447 + free_visited_fns(visited_fns);
116448 + return 0;
116449 +}
116450 +
116451 +#if BUILDING_GCC_VERSION >= 4009
116452 +static const struct pass_data insert_size_overflow_check_data = {
116453 +#else
116454 +static struct ipa_opt_pass_d insert_size_overflow_check = {
116455 + .pass = {
116456 +#endif
116457 + .type = SIMPLE_IPA_PASS,
116458 + .name = "size_overflow",
116459 +#if BUILDING_GCC_VERSION >= 4008
116460 + .optinfo_flags = OPTGROUP_NONE,
116461 +#endif
116462 +#if BUILDING_GCC_VERSION >= 4009
116463 + .has_gate = false,
116464 + .has_execute = true,
116465 +#else
116466 + .gate = NULL,
116467 + .execute = search_function,
116468 + .sub = NULL,
116469 + .next = NULL,
116470 + .static_pass_number = 0,
116471 +#endif
116472 + .tv_id = TV_NONE,
116473 + .properties_required = 0,
116474 + .properties_provided = 0,
116475 + .properties_destroyed = 0,
116476 + .todo_flags_start = 0,
116477 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_ggc_collect | TODO_verify_flow | TODO_dump_cgraph | TODO_dump_func | TODO_update_ssa_no_phi,
116478 +#if BUILDING_GCC_VERSION < 4009
116479 + },
116480 + .generate_summary = NULL,
116481 + .write_summary = NULL,
116482 + .read_summary = NULL,
116483 +#if BUILDING_GCC_VERSION >= 4006
116484 + .write_optimization_summary = NULL,
116485 + .read_optimization_summary = NULL,
116486 +#endif
116487 + .stmt_fixup = NULL,
116488 + .function_transform_todo_flags_start = 0,
116489 + .function_transform = NULL,
116490 + .variable_transform = NULL,
116491 +#endif
116492 +};
116493 +
116494 +#if BUILDING_GCC_VERSION >= 4009
116495 +namespace {
116496 +class insert_size_overflow_check : public ipa_opt_pass_d {
116497 +public:
116498 + insert_size_overflow_check() : ipa_opt_pass_d(insert_size_overflow_check_data, g, NULL, NULL, NULL, NULL, NULL, NULL, 0, NULL, NULL) {}
116499 + unsigned int execute() { return search_function(); }
116500 +};
116501 +}
116502 +#endif
116503 +
116504 +struct opt_pass *make_insert_size_overflow_check(void)
116505 +{
116506 +#if BUILDING_GCC_VERSION >= 4009
116507 + return new insert_size_overflow_check();
116508 +#else
116509 + return &insert_size_overflow_check.pass;
116510 +#endif
116511 +}
116512 +
116513 diff --git a/tools/gcc/size_overflow_plugin/intentional_overflow.c b/tools/gcc/size_overflow_plugin/intentional_overflow.c
116514 new file mode 100644
116515 index 0000000..d71d72a
116516 --- /dev/null
116517 +++ b/tools/gcc/size_overflow_plugin/intentional_overflow.c
116518 @@ -0,0 +1,736 @@
116519 +/*
116520 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
116521 + * Licensed under the GPL v2, or (at your option) v3
116522 + *
116523 + * Homepage:
116524 + * http://www.grsecurity.net/~ephox/overflow_plugin/
116525 + *
116526 + * Documentation:
116527 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
116528 + *
116529 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
116530 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
116531 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
116532 + *
116533 + * Usage:
116534 + * $ make
116535 + * $ make run
116536 + */
116537 +
116538 +#include "gcc-common.h"
116539 +#include "size_overflow.h"
116540 +
116541 +/* Get the param of the intentional_overflow attribute.
116542 + * * 0: MARK_NOT_INTENTIONAL
116543 + * * 1..MAX_PARAM: MARK_YES
116544 + * * -1: MARK_TURN_OFF
116545 + */
116546 +static tree get_attribute_param(const_tree decl)
116547 +{
116548 + const_tree attr;
116549 +
116550 + if (decl == NULL_TREE)
116551 + return NULL_TREE;
116552 +
116553 + attr = lookup_attribute("intentional_overflow", DECL_ATTRIBUTES(decl));
116554 + if (!attr || !TREE_VALUE(attr))
116555 + return NULL_TREE;
116556 +
116557 + return TREE_VALUE(attr);
116558 +}
116559 +
116560 +// MARK_TURN_OFF
116561 +bool is_turn_off_intentional_attr(const_tree decl)
116562 +{
116563 + const_tree param_head;
116564 +
116565 + param_head = get_attribute_param(decl);
116566 + if (param_head == NULL_TREE)
116567 + return false;
116568 +
116569 + if (TREE_INT_CST_HIGH(TREE_VALUE(param_head)) == -1)
116570 + return true;
116571 + return false;
116572 +}
116573 +
116574 +// MARK_NOT_INTENTIONAL
116575 +bool is_end_intentional_intentional_attr(const_tree decl, unsigned int argnum)
116576 +{
116577 + const_tree param_head;
116578 +
116579 + if (argnum == 0)
116580 + return false;
116581 +
116582 + param_head = get_attribute_param(decl);
116583 + if (param_head == NULL_TREE)
116584 + return false;
116585 +
116586 + if (!TREE_INT_CST_LOW(TREE_VALUE(param_head)))
116587 + return true;
116588 + return false;
116589 +}
116590 +
116591 +// MARK_YES
116592 +bool is_yes_intentional_attr(const_tree decl, unsigned int argnum)
116593 +{
116594 + tree param, param_head;
116595 +
116596 + if (argnum == 0)
116597 + return false;
116598 +
116599 + param_head = get_attribute_param(decl);
116600 + for (param = param_head; param; param = TREE_CHAIN(param))
116601 + if (argnum == TREE_INT_CST_LOW(TREE_VALUE(param)))
116602 + return true;
116603 + return false;
116604 +}
116605 +
116606 +void print_missing_intentional(enum mark callee_attr, enum mark caller_attr, const_tree decl, unsigned int argnum)
116607 +{
116608 + location_t loc;
116609 +
116610 + if (caller_attr == MARK_NO || caller_attr == MARK_NOT_INTENTIONAL || caller_attr == MARK_TURN_OFF)
116611 + return;
116612 +
116613 + if (callee_attr == MARK_NOT_INTENTIONAL || callee_attr == MARK_YES)
116614 + return;
116615 +
116616 + loc = DECL_SOURCE_LOCATION(decl);
116617 + inform(loc, "The intentional_overflow attribute is missing from +%s+%u+", DECL_NAME_POINTER(decl), argnum);
116618 +}
116619 +
116620 +// Get the field decl of a component ref for intentional_overflow checking
116621 +static const_tree search_field_decl(const_tree comp_ref)
116622 +{
116623 + const_tree field = NULL_TREE;
116624 + unsigned int i, len = TREE_OPERAND_LENGTH(comp_ref);
116625 +
116626 + for (i = 0; i < len; i++) {
116627 + field = TREE_OPERAND(comp_ref, i);
116628 + if (TREE_CODE(field) == FIELD_DECL)
116629 + break;
116630 + }
116631 + gcc_assert(TREE_CODE(field) == FIELD_DECL);
116632 + return field;
116633 +}
116634 +
116635 +/* Get the type of the intentional_overflow attribute of a node
116636 + * * MARK_TURN_OFF
116637 + * * MARK_YES
116638 + * * MARK_NO
116639 + * * MARK_NOT_INTENTIONAL
116640 + */
116641 +enum mark get_intentional_attr_type(const_tree node)
116642 +{
116643 + const_tree cur_decl;
116644 +
116645 + if (node == NULL_TREE)
116646 + return MARK_NO;
116647 +
116648 + switch (TREE_CODE(node)) {
116649 + case COMPONENT_REF:
116650 + cur_decl = search_field_decl(node);
116651 + if (is_turn_off_intentional_attr(cur_decl))
116652 + return MARK_TURN_OFF;
116653 + if (is_end_intentional_intentional_attr(cur_decl, 1))
116654 + return MARK_YES;
116655 + break;
116656 + case PARM_DECL: {
116657 + unsigned int argnum;
116658 +
116659 + cur_decl = DECL_ORIGIN(current_function_decl);
116660 + argnum = find_arg_number_tree(node, cur_decl);
116661 + if (argnum == CANNOT_FIND_ARG)
116662 + return MARK_NO;
116663 + if (is_yes_intentional_attr(cur_decl, argnum))
116664 + return MARK_YES;
116665 + if (is_end_intentional_intentional_attr(cur_decl, argnum))
116666 + return MARK_NOT_INTENTIONAL;
116667 + break;
116668 + }
116669 + case FUNCTION_DECL:
116670 + if (is_turn_off_intentional_attr(DECL_ORIGIN(node)))
116671 + return MARK_TURN_OFF;
116672 + break;
116673 + default:
116674 + break;
116675 + }
116676 + return MARK_NO;
116677 +}
116678 +
116679 +// Search for the intentional_overflow attribute on the last nodes
116680 +static enum mark search_last_nodes_intentional(struct interesting_node *cur_node)
116681 +{
116682 + unsigned int i;
116683 + tree last_node;
116684 + enum mark mark = MARK_NO;
116685 +
116686 +#if BUILDING_GCC_VERSION <= 4007
116687 + FOR_EACH_VEC_ELT(tree, cur_node->last_nodes, i, last_node) {
116688 +#else
116689 + FOR_EACH_VEC_ELT(*cur_node->last_nodes, i, last_node) {
116690 +#endif
116691 + mark = get_intentional_attr_type(last_node);
116692 + if (mark != MARK_NO)
116693 + break;
116694 + }
116695 + return mark;
116696 +}
116697 +
116698 +/* Check the intentional kind of size_overflow asm stmt (created by the gimple pass) and
116699 + * set the appropriate intentional_overflow type. Delete the asm stmt in the end.
116700 + */
116701 +static bool is_intentional_attribute_from_gimple(struct interesting_node *cur_node)
116702 +{
116703 + if (!cur_node->intentional_mark_from_gimple)
116704 + return false;
116705 +
116706 + if (is_size_overflow_intentional_asm_yes(cur_node->intentional_mark_from_gimple))
116707 + cur_node->intentional_attr_cur_fndecl = MARK_YES;
116708 + else
116709 + cur_node->intentional_attr_cur_fndecl = MARK_TURN_OFF;
116710 +
116711 + // skip param decls
116712 + if (gimple_asm_noutputs(cur_node->intentional_mark_from_gimple) == 0)
116713 + return true;
116714 + return true;
116715 +}
116716 +
116717 +/* Search intentional_overflow attribute on caller and on callee too.
116718 + * 0</MARK_YES: no dup, search size_overflow and intentional_overflow attributes
116719 + * 0/MARK_NOT_INTENTIONAL: no dup, search size_overflow attribute (int)
116720 + * -1/MARK_TURN_OFF: no dup, no search, current_function_decl -> no dup
116721 +*/
116722 +void check_intentional_attribute_ipa(struct interesting_node *cur_node)
116723 +{
116724 + const_tree fndecl;
116725 +
116726 + if (is_intentional_attribute_from_gimple(cur_node))
116727 + return;
116728 +
116729 + if (is_turn_off_intentional_attr(DECL_ORIGIN(current_function_decl))) {
116730 + cur_node->intentional_attr_cur_fndecl = MARK_TURN_OFF;
116731 + return;
116732 + }
116733 +
116734 + if (gimple_code(cur_node->first_stmt) == GIMPLE_ASM) {
116735 + cur_node->intentional_attr_cur_fndecl = MARK_NOT_INTENTIONAL;
116736 + return;
116737 + }
116738 +
116739 + if (gimple_code(cur_node->first_stmt) == GIMPLE_ASSIGN)
116740 + return;
116741 +
116742 + fndecl = get_interesting_orig_fndecl(cur_node->first_stmt, cur_node->num);
116743 + if (is_turn_off_intentional_attr(fndecl)) {
116744 + cur_node->intentional_attr_decl = MARK_TURN_OFF;
116745 + return;
116746 + }
116747 +
116748 + if (is_end_intentional_intentional_attr(fndecl, cur_node->num))
116749 + cur_node->intentional_attr_decl = MARK_NOT_INTENTIONAL;
116750 + else if (is_yes_intentional_attr(fndecl, cur_node->num))
116751 + cur_node->intentional_attr_decl = MARK_YES;
116752 +
116753 + cur_node->intentional_attr_cur_fndecl = search_last_nodes_intentional(cur_node);
116754 + print_missing_intentional(cur_node->intentional_attr_decl, cur_node->intentional_attr_cur_fndecl, cur_node->fndecl, cur_node->num);
116755 +}
116756 +
116757 +bool is_a_cast_and_const_overflow(const_tree no_const_rhs)
116758 +{
116759 + const_tree rhs1, lhs, rhs1_type, lhs_type;
116760 + enum machine_mode lhs_mode, rhs_mode;
116761 + gimple def_stmt = get_def_stmt(no_const_rhs);
116762 +
116763 + if (!def_stmt || !gimple_assign_cast_p(def_stmt))
116764 + return false;
116765 +
116766 + rhs1 = gimple_assign_rhs1(def_stmt);
116767 + lhs = gimple_assign_lhs(def_stmt);
116768 + rhs1_type = TREE_TYPE(rhs1);
116769 + lhs_type = TREE_TYPE(lhs);
116770 + rhs_mode = TYPE_MODE(rhs1_type);
116771 + lhs_mode = TYPE_MODE(lhs_type);
116772 + if (TYPE_UNSIGNED(lhs_type) == TYPE_UNSIGNED(rhs1_type) || lhs_mode != rhs_mode)
116773 + return false;
116774 +
116775 + return true;
116776 +}
116777 +
116778 +static unsigned int uses_num(tree node)
116779 +{
116780 + imm_use_iterator imm_iter;
116781 + use_operand_p use_p;
116782 + unsigned int num = 0;
116783 +
116784 + FOR_EACH_IMM_USE_FAST(use_p, imm_iter, node) {
116785 + gimple use_stmt = USE_STMT(use_p);
116786 +
116787 + if (use_stmt == NULL)
116788 + return num;
116789 + if (is_gimple_debug(use_stmt))
116790 + continue;
116791 + if (gimple_assign_cast_p(use_stmt) && is_size_overflow_type(gimple_assign_lhs(use_stmt)))
116792 + continue;
116793 + num++;
116794 + }
116795 + return num;
116796 +}
116797 +
116798 +static bool no_uses(tree node)
116799 +{
116800 + return !uses_num(node);
116801 +}
116802 +
116803 +// 3.8.5 mm/page-writeback.c __ilog2_u64(): ret, uint + uintmax; uint -> int; int max
116804 +bool is_const_plus_unsigned_signed_truncation(const_tree lhs)
116805 +{
116806 + tree rhs1, lhs_type, rhs_type, rhs2, not_const_rhs;
116807 + gimple def_stmt = get_def_stmt(lhs);
116808 +
116809 + if (!def_stmt || !gimple_assign_cast_p(def_stmt))
116810 + return false;
116811 +
116812 + rhs1 = gimple_assign_rhs1(def_stmt);
116813 + rhs_type = TREE_TYPE(rhs1);
116814 + lhs_type = TREE_TYPE(lhs);
116815 + if (TYPE_UNSIGNED(lhs_type) || !TYPE_UNSIGNED(rhs_type))
116816 + return false;
116817 + if (TYPE_MODE(lhs_type) != TYPE_MODE(rhs_type))
116818 + return false;
116819 +
116820 + def_stmt = get_def_stmt(rhs1);
116821 + if (!def_stmt || !is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 3)
116822 + return false;
116823 +
116824 + if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR)
116825 + return false;
116826 +
116827 + rhs1 = gimple_assign_rhs1(def_stmt);
116828 + rhs2 = gimple_assign_rhs2(def_stmt);
116829 + if (!is_gimple_constant(rhs1) && !is_gimple_constant(rhs2))
116830 + return false;
116831 +
116832 + if (is_gimple_constant(rhs2))
116833 + not_const_rhs = rhs1;
116834 + else
116835 + not_const_rhs = rhs2;
116836 +
116837 + return no_uses(not_const_rhs);
116838 +}
116839 +
116840 +static bool is_lt_signed_type_max(const_tree rhs)
116841 +{
116842 + const_tree new_type, type_max, type = TREE_TYPE(rhs);
116843 +
116844 + if (!TYPE_UNSIGNED(type))
116845 + return true;
116846 +
116847 + switch (TYPE_MODE(type)) {
116848 + case QImode:
116849 + new_type = intQI_type_node;
116850 + break;
116851 + case HImode:
116852 + new_type = intHI_type_node;
116853 + break;
116854 + case SImode:
116855 + new_type = intSI_type_node;
116856 + break;
116857 + case DImode:
116858 + new_type = intDI_type_node;
116859 + break;
116860 + default:
116861 + debug_tree((tree)type);
116862 + gcc_unreachable();
116863 + }
116864 +
116865 + type_max = TYPE_MAX_VALUE(new_type);
116866 + if (!tree_int_cst_lt(type_max, rhs))
116867 + return true;
116868 +
116869 + return false;
116870 +}
116871 +
116872 +static bool is_gt_zero(const_tree rhs)
116873 +{
116874 + const_tree type = TREE_TYPE(rhs);
116875 +
116876 + if (TYPE_UNSIGNED(type))
116877 + return true;
116878 +
116879 + if (!tree_int_cst_lt(rhs, integer_zero_node))
116880 + return true;
116881 +
116882 + return false;
116883 +}
116884 +
116885 +bool is_a_constant_overflow(const_gimple stmt, const_tree rhs)
116886 +{
116887 + if (gimple_assign_rhs_code(stmt) == MIN_EXPR)
116888 + return false;
116889 + if (!is_gimple_constant(rhs))
116890 + return false;
116891 +
116892 + // If the const is between 0 and the max value of the signed type of the same bitsize then there is no intentional overflow
116893 + if (is_lt_signed_type_max(rhs) && is_gt_zero(rhs))
116894 + return false;
116895 +
116896 + return true;
116897 +}
116898 +
116899 +static tree change_assign_rhs(struct visited *visited, gimple stmt, const_tree orig_rhs, tree new_rhs)
116900 +{
116901 + gimple assign;
116902 + gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
116903 + tree origtype = TREE_TYPE(orig_rhs);
116904 +
116905 + gcc_assert(is_gimple_assign(stmt));
116906 +
116907 + assign = build_cast_stmt(visited, origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false);
116908 + pointer_set_insert(visited->my_stmts, assign);
116909 + return gimple_assign_lhs(assign);
116910 +}
116911 +
116912 +tree handle_intentional_overflow(struct visited *visited, struct cgraph_node *caller_node, bool check_overflow, gimple stmt, tree change_rhs, tree new_rhs2)
116913 +{
116914 + tree new_rhs, orig_rhs;
116915 + void (*gimple_assign_set_rhs)(gimple, tree);
116916 + tree rhs1 = gimple_assign_rhs1(stmt);
116917 + tree rhs2 = gimple_assign_rhs2(stmt);
116918 + tree lhs = gimple_assign_lhs(stmt);
116919 +
116920 + if (!check_overflow)
116921 + return create_assign(visited, stmt, lhs, AFTER_STMT);
116922 +
116923 + if (change_rhs == NULL_TREE)
116924 + return create_assign(visited, stmt, lhs, AFTER_STMT);
116925 +
116926 + if (new_rhs2 == NULL_TREE) {
116927 + orig_rhs = rhs1;
116928 + gimple_assign_set_rhs = &gimple_assign_set_rhs1;
116929 + } else {
116930 + orig_rhs = rhs2;
116931 + gimple_assign_set_rhs = &gimple_assign_set_rhs2;
116932 + }
116933 +
116934 + check_size_overflow(caller_node, stmt, TREE_TYPE(change_rhs), change_rhs, orig_rhs, BEFORE_STMT);
116935 +
116936 + new_rhs = change_assign_rhs(visited, stmt, orig_rhs, change_rhs);
116937 + gimple_assign_set_rhs(stmt, new_rhs);
116938 + update_stmt(stmt);
116939 +
116940 + return create_assign(visited, stmt, lhs, AFTER_STMT);
116941 +}
116942 +
116943 +static bool is_subtraction_special(struct visited *visited, const_gimple stmt)
116944 +{
116945 + gimple rhs1_def_stmt, rhs2_def_stmt;
116946 + const_tree rhs1_def_stmt_rhs1, rhs2_def_stmt_rhs1, rhs1_def_stmt_lhs, rhs2_def_stmt_lhs;
116947 + enum machine_mode rhs1_def_stmt_rhs1_mode, rhs2_def_stmt_rhs1_mode, rhs1_def_stmt_lhs_mode, rhs2_def_stmt_lhs_mode;
116948 + const_tree rhs1 = gimple_assign_rhs1(stmt);
116949 + const_tree rhs2 = gimple_assign_rhs2(stmt);
116950 +
116951 + if (is_gimple_constant(rhs1) || is_gimple_constant(rhs2))
116952 + return false;
116953 +
116954 + gcc_assert(TREE_CODE(rhs1) == SSA_NAME && TREE_CODE(rhs2) == SSA_NAME);
116955 +
116956 + if (gimple_assign_rhs_code(stmt) != MINUS_EXPR)
116957 + return false;
116958 +
116959 + rhs1_def_stmt = get_def_stmt(rhs1);
116960 + rhs2_def_stmt = get_def_stmt(rhs2);
116961 + if (!gimple_assign_cast_p(rhs1_def_stmt) || !gimple_assign_cast_p(rhs2_def_stmt))
116962 + return false;
116963 +
116964 + rhs1_def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt);
116965 + rhs2_def_stmt_rhs1 = gimple_assign_rhs1(rhs2_def_stmt);
116966 + rhs1_def_stmt_lhs = gimple_assign_lhs(rhs1_def_stmt);
116967 + rhs2_def_stmt_lhs = gimple_assign_lhs(rhs2_def_stmt);
116968 + rhs1_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_rhs1));
116969 + rhs2_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_rhs1));
116970 + rhs1_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_lhs));
116971 + rhs2_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_lhs));
116972 + if (GET_MODE_BITSIZE(rhs1_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs1_def_stmt_lhs_mode))
116973 + return false;
116974 + if (GET_MODE_BITSIZE(rhs2_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs2_def_stmt_lhs_mode))
116975 + return false;
116976 +
116977 + pointer_set_insert(visited->no_cast_check, rhs1_def_stmt);
116978 + pointer_set_insert(visited->no_cast_check, rhs2_def_stmt);
116979 + return true;
116980 +}
116981 +
116982 +static gimple create_binary_assign(struct visited *visited, enum tree_code code, gimple stmt, tree rhs1, tree rhs2)
116983 +{
116984 + gimple assign;
116985 + gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
116986 + tree type = TREE_TYPE(rhs1);
116987 + tree lhs = create_new_var(type);
116988 +
116989 + gcc_assert(types_compatible_p(type, TREE_TYPE(rhs2)));
116990 + assign = gimple_build_assign_with_ops(code, lhs, rhs1, rhs2);
116991 + gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign));
116992 +
116993 + gsi_insert_before(&gsi, assign, GSI_NEW_STMT);
116994 + update_stmt(assign);
116995 + pointer_set_insert(visited->my_stmts, assign);
116996 + return assign;
116997 +}
116998 +
116999 +static tree cast_to_TI_type(struct visited *visited, gimple stmt, tree node)
117000 +{
117001 + gimple_stmt_iterator gsi;
117002 + gimple cast_stmt;
117003 + tree type = TREE_TYPE(node);
117004 +
117005 + if (types_compatible_p(type, intTI_type_node))
117006 + return node;
117007 +
117008 + gsi = gsi_for_stmt(stmt);
117009 + cast_stmt = build_cast_stmt(visited, intTI_type_node, node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false);
117010 + pointer_set_insert(visited->my_stmts, cast_stmt);
117011 + return gimple_assign_lhs(cast_stmt);
117012 +}
117013 +
117014 +static tree get_def_stmt_rhs(struct visited *visited, const_tree var)
117015 +{
117016 + tree rhs1, def_stmt_rhs1;
117017 + gimple rhs1_def_stmt, def_stmt_rhs1_def_stmt, def_stmt;
117018 +
117019 + def_stmt = get_def_stmt(var);
117020 + if (!gimple_assign_cast_p(def_stmt))
117021 + return NULL_TREE;
117022 + gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP && pointer_set_contains(visited->my_stmts, def_stmt) && gimple_assign_cast_p(def_stmt));
117023 +
117024 + rhs1 = gimple_assign_rhs1(def_stmt);
117025 + rhs1_def_stmt = get_def_stmt(rhs1);
117026 + if (!gimple_assign_cast_p(rhs1_def_stmt))
117027 + return rhs1;
117028 +
117029 + def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt);
117030 + def_stmt_rhs1_def_stmt = get_def_stmt(def_stmt_rhs1);
117031 +
117032 + switch (gimple_code(def_stmt_rhs1_def_stmt)) {
117033 + case GIMPLE_CALL:
117034 + case GIMPLE_NOP:
117035 + case GIMPLE_ASM:
117036 + case GIMPLE_PHI:
117037 + return def_stmt_rhs1;
117038 + case GIMPLE_ASSIGN:
117039 + return rhs1;
117040 + default:
117041 + debug_gimple_stmt(def_stmt_rhs1_def_stmt);
117042 + gcc_unreachable();
117043 + }
117044 +}
117045 +
117046 +tree handle_integer_truncation(struct visited *visited, struct cgraph_node *caller_node, const_tree lhs)
117047 +{
117048 + tree new_rhs1, new_rhs2;
117049 + tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs;
117050 + gimple assign, stmt = get_def_stmt(lhs);
117051 + tree rhs1 = gimple_assign_rhs1(stmt);
117052 + tree rhs2 = gimple_assign_rhs2(stmt);
117053 +
117054 + if (!is_subtraction_special(visited, stmt))
117055 + return NULL_TREE;
117056 +
117057 + new_rhs1 = expand(visited, caller_node, rhs1);
117058 + new_rhs2 = expand(visited, caller_node, rhs2);
117059 +
117060 + new_rhs1_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs1);
117061 + new_rhs2_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs2);
117062 +
117063 + if (new_rhs1_def_stmt_rhs1 == NULL_TREE || new_rhs2_def_stmt_rhs1 == NULL_TREE)
117064 + return NULL_TREE;
117065 +
117066 + if (!types_compatible_p(TREE_TYPE(new_rhs1_def_stmt_rhs1), TREE_TYPE(new_rhs2_def_stmt_rhs1))) {
117067 + new_rhs1_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs1_def_stmt_rhs1);
117068 + new_rhs2_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs2_def_stmt_rhs1);
117069 + }
117070 +
117071 + assign = create_binary_assign(visited, MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1);
117072 + new_lhs = gimple_assign_lhs(assign);
117073 + check_size_overflow(caller_node, assign, TREE_TYPE(new_lhs), new_lhs, rhs1, AFTER_STMT);
117074 +
117075 + return dup_assign(visited, stmt, lhs, new_rhs1, new_rhs2, NULL_TREE);
117076 +}
117077 +
117078 +bool is_a_neg_overflow(const_gimple stmt, const_tree rhs)
117079 +{
117080 + const_gimple def_stmt;
117081 +
117082 + if (TREE_CODE(rhs) != SSA_NAME)
117083 + return false;
117084 +
117085 + if (gimple_assign_rhs_code(stmt) != PLUS_EXPR)
117086 + return false;
117087 +
117088 + def_stmt = get_def_stmt(rhs);
117089 + if (!is_gimple_assign(def_stmt) || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR)
117090 + return false;
117091 +
117092 + return true;
117093 +}
117094 +
117095 +/* e.g., drivers/acpi/acpica/utids.c acpi_ut_execute_CID()
117096 + * ((count - 1) * sizeof(struct acpi_pnp_dee_id_list) -> (count + fffffff) * 16
117097 + * fffffff * 16 > signed max -> truncate
117098 + */
117099 +static bool look_for_mult_and_add(const_gimple stmt)
117100 +{
117101 + const_tree res;
117102 + tree rhs1, rhs2, def_rhs1, def_rhs2, const_rhs, def_const_rhs;
117103 + const_gimple def_stmt;
117104 +
117105 + if (!stmt || gimple_code(stmt) == GIMPLE_NOP)
117106 + return false;
117107 + if (!is_gimple_assign(stmt))
117108 + return false;
117109 + if (gimple_assign_rhs_code(stmt) != MULT_EXPR)
117110 + return false;
117111 +
117112 + rhs1 = gimple_assign_rhs1(stmt);
117113 + rhs2 = gimple_assign_rhs2(stmt);
117114 + if (is_gimple_constant(rhs1)) {
117115 + const_rhs = rhs1;
117116 + def_stmt = get_def_stmt(rhs2);
117117 + } else if (is_gimple_constant(rhs2)) {
117118 + const_rhs = rhs2;
117119 + def_stmt = get_def_stmt(rhs1);
117120 + } else
117121 + return false;
117122 +
117123 + if (!is_gimple_assign(def_stmt))
117124 + return false;
117125 +
117126 + if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR && gimple_assign_rhs_code(def_stmt) != MINUS_EXPR)
117127 + return false;
117128 +
117129 + def_rhs1 = gimple_assign_rhs1(def_stmt);
117130 + def_rhs2 = gimple_assign_rhs2(def_stmt);
117131 + if (is_gimple_constant(def_rhs1))
117132 + def_const_rhs = def_rhs1;
117133 + else if (is_gimple_constant(def_rhs2))
117134 + def_const_rhs = def_rhs2;
117135 + else
117136 + return false;
117137 +
117138 + res = fold_binary_loc(gimple_location(def_stmt), MULT_EXPR, TREE_TYPE(const_rhs), const_rhs, def_const_rhs);
117139 + if (is_lt_signed_type_max(res) && is_gt_zero(res))
117140 + return false;
117141 + return true;
117142 +}
117143 +
117144 +enum intentional_overflow_type add_mul_intentional_overflow(const_gimple stmt)
117145 +{
117146 + const_gimple def_stmt_1, def_stmt_2;
117147 + const_tree rhs1, rhs2;
117148 + bool add_mul_rhs1, add_mul_rhs2;
117149 +
117150 + rhs1 = gimple_assign_rhs1(stmt);
117151 + def_stmt_1 = get_def_stmt(rhs1);
117152 + add_mul_rhs1 = look_for_mult_and_add(def_stmt_1);
117153 +
117154 + rhs2 = gimple_assign_rhs2(stmt);
117155 + def_stmt_2 = get_def_stmt(rhs2);
117156 + add_mul_rhs2 = look_for_mult_and_add(def_stmt_2);
117157 +
117158 + if (add_mul_rhs1)
117159 + return RHS1_INTENTIONAL_OVERFLOW;
117160 + if (add_mul_rhs2)
117161 + return RHS2_INTENTIONAL_OVERFLOW;
117162 + return NO_INTENTIONAL_OVERFLOW;
117163 +}
117164 +
117165 +static gimple get_dup_stmt(struct visited *visited, gimple stmt)
117166 +{
117167 + gimple my_stmt;
117168 + gimple_stmt_iterator gsi = gsi_for_stmt(stmt);
117169 +
117170 + gsi_next(&gsi);
117171 + my_stmt = gsi_stmt(gsi);
117172 +
117173 + gcc_assert(pointer_set_contains(visited->my_stmts, my_stmt));
117174 + gcc_assert(gimple_assign_rhs_code(stmt) == gimple_assign_rhs_code(my_stmt));
117175 +
117176 + return my_stmt;
117177 +}
117178 +
117179 +/* unsigned type -> unary or binary assign (rhs1 or rhs2 is constant)
117180 + * unsigned type cast to signed type, unsigned type: no more uses
117181 + * e.g., lib/vsprintf.c:simple_strtol()
117182 + * _10 = (unsigned long int) _9
117183 + * _11 = -_10;
117184 + * _12 = (long int) _11; (_11_ no more uses)
117185 + */
117186 +static bool is_call_or_cast(gimple stmt)
117187 +{
117188 + return gimple_assign_cast_p(stmt) || is_gimple_call(stmt);
117189 +}
117190 +
117191 +static bool is_unsigned_cast_or_call_def_stmt(const_tree node)
117192 +{
117193 + const_tree rhs;
117194 + gimple def_stmt;
117195 +
117196 + if (node == NULL_TREE)
117197 + return true;
117198 + if (is_gimple_constant(node))
117199 + return true;
117200 +
117201 + def_stmt = get_def_stmt(node);
117202 + if (!def_stmt)
117203 + return false;
117204 +
117205 + if (is_call_or_cast(def_stmt))
117206 + return true;
117207 +
117208 + if (!is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 2)
117209 + return false;
117210 + rhs = gimple_assign_rhs1(def_stmt);
117211 + def_stmt = get_def_stmt(rhs);
117212 + if (!def_stmt)
117213 + return false;
117214 + return is_call_or_cast(def_stmt);
117215 +}
117216 +
117217 +void unsigned_signed_cast_intentional_overflow(struct visited *visited, gimple stmt)
117218 +{
117219 + unsigned int use_num;
117220 + gimple so_stmt;
117221 + const_gimple def_stmt;
117222 + const_tree rhs1, rhs2;
117223 + tree rhs = gimple_assign_rhs1(stmt);
117224 + tree lhs_type = TREE_TYPE(gimple_assign_lhs(stmt));
117225 + const_tree rhs_type = TREE_TYPE(rhs);
117226 +
117227 + if (!(TYPE_UNSIGNED(rhs_type) && !TYPE_UNSIGNED(lhs_type)))
117228 + return;
117229 + if (GET_MODE_BITSIZE(TYPE_MODE(rhs_type)) != GET_MODE_BITSIZE(TYPE_MODE(lhs_type)))
117230 + return;
117231 + use_num = uses_num(rhs);
117232 + if (use_num != 1)
117233 + return;
117234 +
117235 + def_stmt = get_def_stmt(rhs);
117236 + if (!def_stmt)
117237 + return;
117238 + if (!is_gimple_assign(def_stmt))
117239 + return;
117240 +
117241 + rhs1 = gimple_assign_rhs1(def_stmt);
117242 + if (!is_unsigned_cast_or_call_def_stmt(rhs1))
117243 + return;
117244 +
117245 + rhs2 = gimple_assign_rhs2(def_stmt);
117246 + if (!is_unsigned_cast_or_call_def_stmt(rhs2))
117247 + return;
117248 + if (gimple_num_ops(def_stmt) == 3 && !is_gimple_constant(rhs1) && !is_gimple_constant(rhs2))
117249 + return;
117250 +
117251 + so_stmt = get_dup_stmt(visited, stmt);
117252 + create_up_and_down_cast(visited, so_stmt, lhs_type, gimple_assign_rhs1(so_stmt));
117253 +}
117254 +
117255 diff --git a/tools/gcc/size_overflow_plugin/misc.c b/tools/gcc/size_overflow_plugin/misc.c
117256 new file mode 100644
117257 index 0000000..4bddad2
117258 --- /dev/null
117259 +++ b/tools/gcc/size_overflow_plugin/misc.c
117260 @@ -0,0 +1,203 @@
117261 +/*
117262 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
117263 + * Licensed under the GPL v2, or (at your option) v3
117264 + *
117265 + * Homepage:
117266 + * http://www.grsecurity.net/~ephox/overflow_plugin/
117267 + *
117268 + * Documentation:
117269 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
117270 + *
117271 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
117272 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
117273 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
117274 + *
117275 + * Usage:
117276 + * $ make
117277 + * $ make run
117278 + */
117279 +
117280 +#include "gcc-common.h"
117281 +#include "size_overflow.h"
117282 +
117283 +void set_current_function_decl(tree fndecl)
117284 +{
117285 + gcc_assert(fndecl != NULL_TREE);
117286 +
117287 + push_cfun(DECL_STRUCT_FUNCTION(fndecl));
117288 + calculate_dominance_info(CDI_DOMINATORS);
117289 + current_function_decl = fndecl;
117290 +}
117291 +
117292 +void unset_current_function_decl(void)
117293 +{
117294 + free_dominance_info(CDI_DOMINATORS);
117295 + pop_cfun();
117296 + current_function_decl = NULL_TREE;
117297 +}
117298 +
117299 +static bool is_bool(const_tree node)
117300 +{
117301 + const_tree type;
117302 +
117303 + if (node == NULL_TREE)
117304 + return false;
117305 +
117306 + type = TREE_TYPE(node);
117307 + if (!INTEGRAL_TYPE_P(type))
117308 + return false;
117309 + if (TREE_CODE(type) == BOOLEAN_TYPE)
117310 + return true;
117311 + if (TYPE_PRECISION(type) == 1)
117312 + return true;
117313 + return false;
117314 +}
117315 +
117316 +bool skip_types(const_tree var)
117317 +{
117318 + tree type;
117319 + enum tree_code code;
117320 +
117321 + if (is_gimple_constant(var))
117322 + return true;
117323 +
117324 + switch (TREE_CODE(var)) {
117325 + case ADDR_EXPR:
117326 +#if BUILDING_GCC_VERSION >= 4006
117327 + case MEM_REF:
117328 +#endif
117329 + case ARRAY_REF:
117330 + case BIT_FIELD_REF:
117331 + case INDIRECT_REF:
117332 + case TARGET_MEM_REF:
117333 + case COMPONENT_REF:
117334 + case VAR_DECL:
117335 + case VIEW_CONVERT_EXPR:
117336 + return true;
117337 + default:
117338 + break;
117339 + }
117340 +
117341 + code = TREE_CODE(var);
117342 + gcc_assert(code == SSA_NAME || code == PARM_DECL);
117343 +
117344 + type = TREE_TYPE(var);
117345 + switch (TREE_CODE(type)) {
117346 + case INTEGER_TYPE:
117347 + case ENUMERAL_TYPE:
117348 + return false;
117349 + case BOOLEAN_TYPE:
117350 + return is_bool(var);
117351 + default:
117352 + return true;
117353 + }
117354 +}
117355 +
117356 +gimple get_def_stmt(const_tree node)
117357 +{
117358 + gcc_assert(node != NULL_TREE);
117359 +
117360 + if (skip_types(node))
117361 + return NULL;
117362 +
117363 + if (TREE_CODE(node) != SSA_NAME)
117364 + return NULL;
117365 + return SSA_NAME_DEF_STMT(node);
117366 +}
117367 +
117368 +tree create_new_var(tree type)
117369 +{
117370 + tree new_var = create_tmp_var(type, "cicus");
117371 +
117372 + add_referenced_var(new_var);
117373 + return new_var;
117374 +}
117375 +
117376 +static bool skip_cast(tree dst_type, const_tree rhs, bool force)
117377 +{
117378 + const_gimple def_stmt = get_def_stmt(rhs);
117379 +
117380 + if (force)
117381 + return false;
117382 +
117383 + if (is_gimple_constant(rhs))
117384 + return false;
117385 +
117386 + if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP)
117387 + return false;
117388 +
117389 + if (!types_compatible_p(dst_type, TREE_TYPE(rhs)))
117390 + return false;
117391 +
117392 + // DI type can be on 32 bit (from create_assign) but overflow type stays DI
117393 + if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode))
117394 + return false;
117395 +
117396 + return true;
117397 +}
117398 +
117399 +tree cast_a_tree(tree type, tree var)
117400 +{
117401 + gcc_assert(type != NULL_TREE);
117402 + gcc_assert(var != NULL_TREE);
117403 + gcc_assert(fold_convertible_p(type, var));
117404 +
117405 + return fold_convert(type, var);
117406 +}
117407 +
117408 +gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force)
117409 +{
117410 + gimple assign, def_stmt;
117411 +
117412 + gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE);
117413 + gcc_assert(!is_gimple_constant(rhs));
117414 + if (gsi_end_p(*gsi) && before == AFTER_STMT)
117415 + gcc_unreachable();
117416 +
117417 + def_stmt = get_def_stmt(rhs);
117418 + if (def_stmt && gimple_code(def_stmt) != GIMPLE_NOP && skip_cast(dst_type, rhs, force) && pointer_set_contains(visited->my_stmts, def_stmt))
117419 + return def_stmt;
117420 +
117421 + if (lhs == CREATE_NEW_VAR)
117422 + lhs = create_new_var(dst_type);
117423 +
117424 + assign = gimple_build_assign(lhs, cast_a_tree(dst_type, rhs));
117425 +
117426 + if (!gsi_end_p(*gsi)) {
117427 + location_t loc = gimple_location(gsi_stmt(*gsi));
117428 + gimple_set_location(assign, loc);
117429 + }
117430 +
117431 + gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign));
117432 +
117433 + if (before)
117434 + gsi_insert_before(gsi, assign, GSI_NEW_STMT);
117435 + else
117436 + gsi_insert_after(gsi, assign, GSI_NEW_STMT);
117437 + update_stmt(assign);
117438 + return assign;
117439 +}
117440 +
117441 +bool is_size_overflow_type(const_tree var)
117442 +{
117443 + const char *name;
117444 + const_tree type_name, type;
117445 +
117446 + if (var == NULL_TREE)
117447 + return false;
117448 +
117449 + type = TREE_TYPE(var);
117450 + type_name = TYPE_NAME(type);
117451 + if (type_name == NULL_TREE)
117452 + return false;
117453 +
117454 + if (DECL_P(type_name))
117455 + name = DECL_NAME_POINTER(type_name);
117456 + else
117457 + name = IDENTIFIER_POINTER(type_name);
117458 +
117459 + if (!strncmp(name, "size_overflow_type", 18))
117460 + return true;
117461 + return false;
117462 +}
117463 +
117464 diff --git a/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c
117465 new file mode 100644
117466 index 0000000..7c9e6d1
117467 --- /dev/null
117468 +++ b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c
117469 @@ -0,0 +1,138 @@
117470 +/*
117471 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
117472 + * Licensed under the GPL v2, or (at your option) v3
117473 + *
117474 + * Homepage:
117475 + * http://www.grsecurity.net/~ephox/overflow_plugin/
117476 + *
117477 + * Documentation:
117478 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
117479 + *
117480 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
117481 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
117482 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
117483 + *
117484 + * Usage:
117485 + * $ make
117486 + * $ make run
117487 + */
117488 +
117489 +#include "gcc-common.h"
117490 +#include "size_overflow.h"
117491 +
117492 +bool skip_expr_on_double_type(const_gimple stmt)
117493 +{
117494 + enum tree_code code = gimple_assign_rhs_code(stmt);
117495 +
117496 + switch (code) {
117497 + case RSHIFT_EXPR:
117498 + case TRUNC_DIV_EXPR:
117499 + case CEIL_DIV_EXPR:
117500 + case FLOOR_DIV_EXPR:
117501 + case ROUND_DIV_EXPR:
117502 + case EXACT_DIV_EXPR:
117503 + case RDIV_EXPR:
117504 + case TRUNC_MOD_EXPR:
117505 + case CEIL_MOD_EXPR:
117506 + case FLOOR_MOD_EXPR:
117507 + case ROUND_MOD_EXPR:
117508 + return true;
117509 + default:
117510 + return false;
117511 + }
117512 +}
117513 +
117514 +void create_up_and_down_cast(struct visited *visited, gimple use_stmt, tree orig_type, tree rhs)
117515 +{
117516 + const_tree orig_rhs1;
117517 + tree down_lhs, new_lhs, dup_type = TREE_TYPE(rhs);
117518 + gimple down_cast, up_cast;
117519 + gimple_stmt_iterator gsi = gsi_for_stmt(use_stmt);
117520 +
117521 + down_cast = build_cast_stmt(visited, orig_type, rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false);
117522 + down_lhs = gimple_assign_lhs(down_cast);
117523 +
117524 + gsi = gsi_for_stmt(use_stmt);
117525 + up_cast = build_cast_stmt(visited, dup_type, down_lhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false);
117526 + new_lhs = gimple_assign_lhs(up_cast);
117527 +
117528 + orig_rhs1 = gimple_assign_rhs1(use_stmt);
117529 + if (operand_equal_p(orig_rhs1, rhs, 0))
117530 + gimple_assign_set_rhs1(use_stmt, new_lhs);
117531 + else
117532 + gimple_assign_set_rhs2(use_stmt, new_lhs);
117533 + update_stmt(use_stmt);
117534 +
117535 + pointer_set_insert(visited->my_stmts, up_cast);
117536 + pointer_set_insert(visited->my_stmts, down_cast);
117537 + pointer_set_insert(visited->skip_expr_casts, up_cast);
117538 + pointer_set_insert(visited->skip_expr_casts, down_cast);
117539 +}
117540 +
117541 +static tree get_proper_unsigned_half_type(const_tree node)
117542 +{
117543 + tree new_type, type;
117544 +
117545 + gcc_assert(is_size_overflow_type(node));
117546 +
117547 + type = TREE_TYPE(node);
117548 + switch (TYPE_MODE(type)) {
117549 + case HImode:
117550 + new_type = unsigned_intQI_type_node;
117551 + break;
117552 + case SImode:
117553 + new_type = unsigned_intHI_type_node;
117554 + break;
117555 + case DImode:
117556 + new_type = unsigned_intSI_type_node;
117557 + break;
117558 + case TImode:
117559 + new_type = unsigned_intDI_type_node;
117560 + break;
117561 + default:
117562 + gcc_unreachable();
117563 + }
117564 +
117565 + if (TYPE_QUALS(type) != 0)
117566 + return build_qualified_type(new_type, TYPE_QUALS(type));
117567 + return new_type;
117568 +}
117569 +
117570 +static void insert_cast_rhs(struct visited *visited, gimple stmt, tree rhs)
117571 +{
117572 + tree type;
117573 +
117574 + if (rhs == NULL_TREE)
117575 + return;
117576 + if (!is_size_overflow_type(rhs))
117577 + return;
117578 +
117579 + type = get_proper_unsigned_half_type(rhs);
117580 + if (is_gimple_constant(rhs))
117581 + return;
117582 + create_up_and_down_cast(visited, stmt, type, rhs);
117583 +}
117584 +
117585 +static void insert_cast(struct visited *visited, gimple stmt, tree rhs)
117586 +{
117587 + if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && !is_size_overflow_type(rhs))
117588 + return;
117589 + gcc_assert(is_size_overflow_type(rhs));
117590 + insert_cast_rhs(visited, stmt, rhs);
117591 +}
117592 +
117593 +void insert_cast_expr(struct visited *visited, gimple stmt, enum intentional_overflow_type type)
117594 +{
117595 + tree rhs1, rhs2;
117596 +
117597 + if (type == NO_INTENTIONAL_OVERFLOW || type == RHS1_INTENTIONAL_OVERFLOW) {
117598 + rhs1 = gimple_assign_rhs1(stmt);
117599 + insert_cast(visited, stmt, rhs1);
117600 + }
117601 +
117602 + if (type == NO_INTENTIONAL_OVERFLOW || type == RHS2_INTENTIONAL_OVERFLOW) {
117603 + rhs2 = gimple_assign_rhs2(stmt);
117604 + insert_cast(visited, stmt, rhs2);
117605 + }
117606 +}
117607 +
117608 diff --git a/tools/gcc/size_overflow_plugin/size_overflow.h b/tools/gcc/size_overflow_plugin/size_overflow.h
117609 new file mode 100644
117610 index 0000000..e5b4e50
117611 --- /dev/null
117612 +++ b/tools/gcc/size_overflow_plugin/size_overflow.h
117613 @@ -0,0 +1,127 @@
117614 +#ifndef SIZE_OVERFLOW_H
117615 +#define SIZE_OVERFLOW_H
117616 +
117617 +#define CREATE_NEW_VAR NULL_TREE
117618 +#define CANNOT_FIND_ARG 32
117619 +#define MAX_PARAM 31
117620 +#define BEFORE_STMT true
117621 +#define AFTER_STMT false
117622 +
117623 +#define TURN_OFF_ASM_STR "# size_overflow MARK_TURN_OFF "
117624 +#define YES_ASM_STR "# size_overflow MARK_YES "
117625 +#define OK_ASM_STR "# size_overflow "
117626 +
117627 +enum mark {
117628 + MARK_NO, MARK_YES, MARK_NOT_INTENTIONAL, MARK_TURN_OFF
117629 +};
117630 +
117631 +enum intentional_overflow_type {
117632 + NO_INTENTIONAL_OVERFLOW, RHS1_INTENTIONAL_OVERFLOW, RHS2_INTENTIONAL_OVERFLOW
117633 +};
117634 +
117635 +struct visited {
117636 + struct pointer_set_t *stmts;
117637 + struct pointer_set_t *my_stmts;
117638 + struct pointer_set_t *skip_expr_casts;
117639 + struct pointer_set_t *no_cast_check;
117640 +};
117641 +
117642 +// size_overflow_plugin.c
117643 +extern tree report_size_overflow_decl;
117644 +extern tree size_overflow_type_HI;
117645 +extern tree size_overflow_type_SI;
117646 +extern tree size_overflow_type_DI;
117647 +extern tree size_overflow_type_TI;
117648 +
117649 +
117650 +// size_overflow_plugin_hash.c
117651 +struct size_overflow_hash {
117652 + const struct size_overflow_hash * const next;
117653 + const char * const name;
117654 + const unsigned int param;
117655 +};
117656 +
117657 +struct interesting_node {
117658 + struct interesting_node *next;
117659 + gimple first_stmt;
117660 + const_tree fndecl;
117661 + tree node;
117662 +#if BUILDING_GCC_VERSION <= 4007
117663 + VEC(tree, gc) *last_nodes;
117664 +#else
117665 + vec<tree, va_gc> *last_nodes;
117666 +#endif
117667 + unsigned int num;
117668 + enum mark intentional_attr_decl;
117669 + enum mark intentional_attr_cur_fndecl;
117670 + gimple intentional_mark_from_gimple;
117671 +};
117672 +
117673 +extern bool is_size_overflow_asm(const_gimple stmt);
117674 +extern unsigned int get_function_num(const_tree node, const_tree orig_fndecl);
117675 +extern unsigned int get_correct_arg_count(unsigned int argnum, const_tree fndecl);
117676 +extern bool is_missing_function(const_tree orig_fndecl, unsigned int num);
117677 +extern bool is_a_return_check(const_tree node);
117678 +extern const struct size_overflow_hash *get_function_hash(const_tree fndecl);
117679 +extern unsigned int find_arg_number_tree(const_tree arg, const_tree func);
117680 +
117681 +
117682 +// size_overflow_debug.c
117683 +extern struct opt_pass *make_dump_pass(void);
117684 +
117685 +
117686 +// intentional_overflow.c
117687 +extern enum mark get_intentional_attr_type(const_tree node);
117688 +extern bool is_size_overflow_intentional_asm_yes(const_gimple stmt);
117689 +extern bool is_size_overflow_intentional_asm_turn_off(const_gimple stmt);
117690 +extern bool is_end_intentional_intentional_attr(const_tree decl, unsigned int argnum);
117691 +extern bool is_yes_intentional_attr(const_tree decl, unsigned int argnum);
117692 +extern bool is_turn_off_intentional_attr(const_tree decl);
117693 +extern void print_missing_intentional(enum mark callee_attr, enum mark caller_attr, const_tree decl, unsigned int argnum);
117694 +extern void check_intentional_attribute_ipa(struct interesting_node *cur_node);
117695 +extern bool is_a_cast_and_const_overflow(const_tree no_const_rhs);
117696 +extern bool is_const_plus_unsigned_signed_truncation(const_tree lhs);
117697 +extern bool is_a_constant_overflow(const_gimple stmt, const_tree rhs);
117698 +extern tree handle_intentional_overflow(struct visited *visited, struct cgraph_node *caller_node, bool check_overflow, gimple stmt, tree change_rhs, tree new_rhs2);
117699 +extern tree handle_integer_truncation(struct visited *visited, struct cgraph_node *caller_node, const_tree lhs);
117700 +extern bool is_a_neg_overflow(const_gimple stmt, const_tree rhs);
117701 +extern enum intentional_overflow_type add_mul_intentional_overflow(const_gimple def_stmt);
117702 +extern void unsigned_signed_cast_intentional_overflow(struct visited *visited, gimple stmt);
117703 +
117704 +
117705 +// insert_size_overflow_check_ipa.c
117706 +extern unsigned int search_function(void);
117707 +extern unsigned int call_count;
117708 +extern struct opt_pass *make_insert_size_overflow_check(void);
117709 +extern const_tree get_interesting_orig_fndecl(const_gimple stmt, unsigned int argnum);
117710 +
117711 +
117712 +// insert_size_overflow_asm.c
117713 +extern struct opt_pass *make_insert_size_overflow_asm_pass(void);
117714 +
117715 +
117716 +// misc.c
117717 +extern void set_current_function_decl(tree fndecl);
117718 +extern void unset_current_function_decl(void);
117719 +extern gimple get_def_stmt(const_tree node);
117720 +extern tree create_new_var(tree type);
117721 +extern gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force);
117722 +extern bool skip_types(const_tree var);
117723 +extern tree cast_a_tree(tree type, tree var);
117724 +extern bool is_size_overflow_type(const_tree var);
117725 +
117726 +
117727 +// insert_size_overflow_check_core.c
117728 +extern tree expand(struct visited *visited, struct cgraph_node *caller_node, tree lhs);
117729 +extern void check_size_overflow(struct cgraph_node *caller_node, gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before);
117730 +extern tree dup_assign(struct visited *visited, gimple oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3);
117731 +extern tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before);
117732 +
117733 +
117734 +// remove_unnecessary_dup.c
117735 +extern struct opt_pass *make_remove_unnecessary_dup_pass(void);
117736 +extern void insert_cast_expr(struct visited *visited, gimple stmt, enum intentional_overflow_type type);
117737 +extern bool skip_expr_on_double_type(const_gimple stmt);
117738 +extern void create_up_and_down_cast(struct visited *visited, gimple use_stmt, tree orig_type, tree rhs);
117739 +
117740 +#endif
117741 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_debug.c b/tools/gcc/size_overflow_plugin/size_overflow_debug.c
117742 new file mode 100644
117743 index 0000000..4378111
117744 --- /dev/null
117745 +++ b/tools/gcc/size_overflow_plugin/size_overflow_debug.c
117746 @@ -0,0 +1,116 @@
117747 +/*
117748 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
117749 + * Licensed under the GPL v2, or (at your option) v3
117750 + *
117751 + * Homepage:
117752 + * http://www.grsecurity.net/~ephox/overflow_plugin/
117753 + *
117754 + * Documentation:
117755 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
117756 + *
117757 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
117758 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
117759 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
117760 + *
117761 + * Usage:
117762 + * $ make
117763 + * $ make run
117764 + */
117765 +
117766 +#include "gcc-common.h"
117767 +
117768 +static unsigned int dump_functions(void)
117769 +{
117770 + struct cgraph_node *node;
117771 +
117772 + FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) {
117773 + basic_block bb;
117774 +
117775 + push_cfun(DECL_STRUCT_FUNCTION(NODE_DECL(node)));
117776 + current_function_decl = NODE_DECL(node);
117777 +
117778 + fprintf(stderr, "-----------------------------------------\n%s\n-----------------------------------------\n", DECL_NAME_POINTER(current_function_decl));
117779 +
117780 + FOR_ALL_BB_FN(bb, cfun) {
117781 + gimple_stmt_iterator si;
117782 +
117783 + fprintf(stderr, "<bb %u>:\n", bb->index);
117784 + for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si))
117785 + debug_gimple_stmt(gsi_stmt(si));
117786 + for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si))
117787 + debug_gimple_stmt(gsi_stmt(si));
117788 + fprintf(stderr, "\n");
117789 + }
117790 +
117791 + fprintf(stderr, "-------------------------------------------------------------------------\n");
117792 +
117793 + pop_cfun();
117794 + current_function_decl = NULL_TREE;
117795 + }
117796 +
117797 + fprintf(stderr, "###############################################################################\n");
117798 +
117799 + return 0;
117800 +}
117801 +
117802 +#if BUILDING_GCC_VERSION >= 4009
117803 +static const struct pass_data dump_pass_data = {
117804 +#else
117805 +static struct ipa_opt_pass_d dump_pass = {
117806 + .pass = {
117807 +#endif
117808 + .type = SIMPLE_IPA_PASS,
117809 + .name = "dump",
117810 +#if BUILDING_GCC_VERSION >= 4008
117811 + .optinfo_flags = OPTGROUP_NONE,
117812 +#endif
117813 +#if BUILDING_GCC_VERSION >= 4009
117814 + .has_gate = false,
117815 + .has_execute = true,
117816 +#else
117817 + .gate = NULL,
117818 + .execute = dump_functions,
117819 + .sub = NULL,
117820 + .next = NULL,
117821 + .static_pass_number = 0,
117822 +#endif
117823 + .tv_id = TV_NONE,
117824 + .properties_required = 0,
117825 + .properties_provided = 0,
117826 + .properties_destroyed = 0,
117827 + .todo_flags_start = 0,
117828 + .todo_flags_finish = 0,
117829 +#if BUILDING_GCC_VERSION < 4009
117830 + },
117831 + .generate_summary = NULL,
117832 + .write_summary = NULL,
117833 + .read_summary = NULL,
117834 +#if BUILDING_GCC_VERSION >= 4006
117835 + .write_optimization_summary = NULL,
117836 + .read_optimization_summary = NULL,
117837 +#endif
117838 + .stmt_fixup = NULL,
117839 + .function_transform_todo_flags_start = 0,
117840 + .function_transform = NULL,
117841 + .variable_transform = NULL,
117842 +#endif
117843 +};
117844 +
117845 +#if BUILDING_GCC_VERSION >= 4009
117846 +namespace {
117847 +class dump_pass : public ipa_opt_pass_d {
117848 +public:
117849 + dump_pass() : ipa_opt_pass_d(dump_pass_data, g, NULL, NULL, NULL, NULL, NULL, NULL, 0, NULL, NULL) {}
117850 + unsigned int execute() { return dump_functions(); }
117851 +};
117852 +}
117853 +#endif
117854 +
117855 +struct opt_pass *make_dump_pass(void)
117856 +{
117857 +#if BUILDING_GCC_VERSION >= 4009
117858 + return new dump_pass();
117859 +#else
117860 + return &dump_pass.pass;
117861 +#endif
117862 +}
117863 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_hash.data b/tools/gcc/size_overflow_plugin/size_overflow_hash.data
117864 new file mode 100644
117865 index 0000000..f2bd55d
117866 --- /dev/null
117867 +++ b/tools/gcc/size_overflow_plugin/size_overflow_hash.data
117868 @@ -0,0 +1,6031 @@
117869 +intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL
117870 +storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL
117871 +compat_sock_setsockopt_23 compat_sock_setsockopt 5 23 NULL
117872 +carl9170_alloc_27 carl9170_alloc 1 27 NULL
117873 +sel_read_policyvers_55 sel_read_policyvers 3 55 NULL nohasharray
117874 +padzero_55 padzero 1 55 &sel_read_policyvers_55
117875 +cfg80211_disconnected_57 cfg80211_disconnected 4 57 NULL
117876 +__skb_to_sgvec_72 __skb_to_sgvec 0 72 NULL
117877 +snd_korg1212_copy_to_92 snd_korg1212_copy_to 6 92 NULL
117878 +load_msg_95 load_msg 2 95 NULL
117879 +ipath_verbs_send_117 ipath_verbs_send 5-3 117 NULL
117880 +init_q_132 init_q 4 132 NULL
117881 +memstick_alloc_host_142 memstick_alloc_host 1 142 NULL
117882 +hva_to_gfn_memslot_149 hva_to_gfn_memslot 0-1 149 NULL
117883 +ping_v6_sendmsg_152 ping_v6_sendmsg 4 152 NULL
117884 +ext4_ext_get_actual_len_153 ext4_ext_get_actual_len 0 153 NULL nohasharray
117885 +tracing_trace_options_write_153 tracing_trace_options_write 3 153 &ext4_ext_get_actual_len_153
117886 +xfs_buf_item_get_format_189 xfs_buf_item_get_format 2 189 NULL
117887 +iscsi_session_setup_196 iscsi_session_setup 4-5 196 NULL
117888 +obd_proc_jobid_var_seq_write_199 obd_proc_jobid_var_seq_write 3 199 NULL
117889 +ll_xattr_cache_seq_write_250 ll_xattr_cache_seq_write 3 250 NULL
117890 +vpdma_create_desc_list_255 vpdma_create_desc_list 2 255 NULL
117891 +br_port_info_size_268 br_port_info_size 0 268 NULL
117892 +read_file_war_stats_292 read_file_war_stats 3 292 NULL
117893 +SYSC_connect_304 SYSC_connect 3 304 NULL
117894 +syslog_print_307 syslog_print 2 307 NULL
117895 +dn_setsockopt_314 dn_setsockopt 5 314 NULL
117896 +mlx5_core_access_reg_361 mlx5_core_access_reg 3-5 361 NULL
117897 +aio_read_events_ring_410 aio_read_events_ring 3-0 410 NULL
117898 +lbs_rdmac_read_418 lbs_rdmac_read 3 418 NULL
117899 +snd_ca0106_ptr_read_467 snd_ca0106_ptr_read 0 467 NULL
117900 +cfs_trace_set_debug_mb_usrstr_486 cfs_trace_set_debug_mb_usrstr 2 486 NULL
117901 +nvme_trans_modesel_data_488 nvme_trans_modesel_data 4 488 NULL
117902 +iwl_dbgfs_protection_mode_write_502 iwl_dbgfs_protection_mode_write 3 502 NULL
117903 +rx_rx_defrag_end_read_505 rx_rx_defrag_end_read 3 505 NULL
117904 +smp_send_cmd_512 smp_send_cmd 3 512 NULL
117905 +ocfs2_validate_meta_ecc_bhs_527 ocfs2_validate_meta_ecc_bhs 0 527 NULL
117906 +zlib_deflate_workspacesize_537 zlib_deflate_workspacesize 0-1-2 537 NULL
117907 +iwl_dbgfs_wowlan_sram_read_540 iwl_dbgfs_wowlan_sram_read 3 540 NULL
117908 +sco_sock_setsockopt_552 sco_sock_setsockopt 5 552 NULL
117909 +lpfc_nlp_state_name_556 lpfc_nlp_state_name 2 556 NULL
117910 +snd_aw2_saa7146_get_hw_ptr_playback_558 snd_aw2_saa7146_get_hw_ptr_playback 0 558 NULL
117911 +start_isoc_chain_565 start_isoc_chain 2 565 NULL nohasharray
117912 +dev_hard_header_565 dev_hard_header 0 565 &start_isoc_chain_565
117913 +smk_write_load_self2_591 smk_write_load_self2 3 591 NULL
117914 +btrfs_stack_file_extent_offset_607 btrfs_stack_file_extent_offset 0 607 NULL
117915 +ni_gpct_device_construct_610 ni_gpct_device_construct 5 610 NULL
117916 +fuse_request_alloc_nofs_617 fuse_request_alloc_nofs 1 617 NULL
117917 +ptlrpc_lprocfs_nrs_seq_write_621 ptlrpc_lprocfs_nrs_seq_write 3 621 NULL
117918 +viafb_dfpl_proc_write_627 viafb_dfpl_proc_write 3 627 NULL
117919 +ceph_osdc_new_request_635 ceph_osdc_new_request 6 635 NULL
117920 +cfs_hash_bkt_size_643 cfs_hash_bkt_size 0 643 NULL
117921 +unlink_queued_645 unlink_queued 4 645 NULL
117922 +dtim_interval_read_654 dtim_interval_read 3 654 NULL
117923 +nvif_notify_new_671 nvif_notify_new 6 671 NULL
117924 +mem_rx_free_mem_blks_read_675 mem_rx_free_mem_blks_read 3 675 NULL
117925 +persistent_ram_vmap_709 persistent_ram_vmap 2-1 709 NULL
117926 +sctp_setsockopt_peer_addr_params_734 sctp_setsockopt_peer_addr_params 3 734 NULL
117927 +dvb_video_write_754 dvb_video_write 3 754 NULL
117928 +cfs_trace_allocate_string_buffer_781 cfs_trace_allocate_string_buffer 2 781 NULL
117929 +ath6kl_disconnect_timeout_write_794 ath6kl_disconnect_timeout_write 3 794 NULL
117930 +if_writecmd_815 if_writecmd 2 815 NULL
117931 +aac_change_queue_depth_825 aac_change_queue_depth 2 825 NULL
117932 +error_state_read_859 error_state_read 6 859 NULL
117933 +lustre_init_msg_v2_864 lustre_init_msg_v2 2 864 NULL
117934 +o2net_send_message_vec_879 o2net_send_message_vec 4 879 NULL nohasharray
117935 +iwl_dbgfs_fh_reg_read_879 iwl_dbgfs_fh_reg_read 3 879 &o2net_send_message_vec_879
117936 +snd_pcm_action_single_905 snd_pcm_action_single 0 905 NULL
117937 +carl9170_cmd_buf_950 carl9170_cmd_buf 3 950 NULL
117938 +__nodes_weight_956 __nodes_weight 2-0 956 NULL
117939 +bnx2x_fill_fw_str_968 bnx2x_fill_fw_str 3 968 NULL
117940 +usnic_ib_qp_grp_dump_hdr_989 usnic_ib_qp_grp_dump_hdr 2 989 NULL
117941 +readreg_1017 readreg 0-1 1017 NULL
117942 +smk_write_cipso2_1021 smk_write_cipso2 3 1021 NULL
117943 +gigaset_initdriver_1060 gigaset_initdriver 2 1060 NULL
117944 +mce_request_packet_1073 mce_request_packet 3 1073 NULL
117945 +agp_create_memory_1075 agp_create_memory 1 1075 NULL
117946 +_scsih_adjust_queue_depth_1083 _scsih_adjust_queue_depth 2 1083 NULL
117947 +llcp_sock_sendmsg_1092 llcp_sock_sendmsg 4 1092 NULL
117948 +nfs4_init_nonuniform_client_string_1097 nfs4_init_nonuniform_client_string 3 1097 NULL
117949 +__arch_hweight8_1105 __arch_hweight8 0 1105 NULL
117950 +utf8s_to_utf16s_1115 utf8s_to_utf16s 0 1115 NULL
117951 +cfg80211_report_obss_beacon_1133 cfg80211_report_obss_beacon 3 1133 NULL
117952 +i2400m_rx_ctl_1157 i2400m_rx_ctl 4 1157 NULL
117953 +ipc_alloc_1192 ipc_alloc 1 1192 NULL
117954 +ib_create_send_mad_1196 ib_create_send_mad 5 1196 NULL
117955 +pstore_ftrace_knob_write_1198 pstore_ftrace_knob_write 3 1198 NULL
117956 +i2400m_rx_ctl_ack_1199 i2400m_rx_ctl_ack 3 1199 NULL
117957 +dgrp_dpa_read_1204 dgrp_dpa_read 3 1204 NULL
117958 +i2cdev_read_1206 i2cdev_read 3 1206 NULL
117959 +lov_ost_pool_init_1215 lov_ost_pool_init 2 1215 NULL
117960 +kernfs_file_direct_read_1238 kernfs_file_direct_read 3 1238 NULL
117961 +acpi_battery_write_alarm_1240 acpi_battery_write_alarm 3 1240 NULL
117962 +drm_primary_helper_create_plane_1262 drm_primary_helper_create_plane 3 1262 NULL
117963 +ocfs2_extend_file_1266 ocfs2_extend_file 3 1266 NULL
117964 +qla4xxx_change_queue_depth_1268 qla4xxx_change_queue_depth 2 1268 NULL
117965 +ioctl_private_iw_point_1273 ioctl_private_iw_point 7 1273 NULL
117966 +SyS_flistxattr_1287 SyS_flistxattr 3 1287 NULL
117967 +tx_frag_in_process_called_read_1290 tx_frag_in_process_called_read 3 1290 NULL
117968 +posix_acl_xattr_set_1301 posix_acl_xattr_set 4 1301 NULL
117969 +ffs_1322 ffs 0 1322 NULL
117970 +qlcnic_pci_sriov_configure_1327 qlcnic_pci_sriov_configure 2 1327 NULL
117971 +btrfs_submit_compressed_write_1347 btrfs_submit_compressed_write 5 1347 NULL
117972 +bond_verify_device_path_1352 bond_verify_device_path 3 1352 NULL
117973 +snd_pcm_lib_write1_1358 snd_pcm_lib_write1 0-3 1358 NULL
117974 +ipx_sendmsg_1362 ipx_sendmsg 4 1362 NULL
117975 +fw_stats_raw_read_1369 fw_stats_raw_read 3 1369 NULL
117976 +ocfs2_prepare_inode_for_write_1372 ocfs2_prepare_inode_for_write 3 1372 NULL
117977 +xpcs_reg_addr_read_1381 xpcs_reg_addr_read 3 1381 NULL
117978 +sctp_setsockopt_initmsg_1383 sctp_setsockopt_initmsg 3 1383 NULL
117979 +do_msgsnd_1387 do_msgsnd 4 1387 NULL
117980 +SYSC_io_getevents_1392 SYSC_io_getevents 3 1392 NULL
117981 +cfs_trace_copyout_string_1416 cfs_trace_copyout_string 2 1416 NULL
117982 +init_rs_internal_1436 init_rs_internal 1 1436 NULL
117983 +stack_max_size_read_1445 stack_max_size_read 3 1445 NULL
117984 +tx_queue_len_read_1463 tx_queue_len_read 3 1463 NULL
117985 +xprt_alloc_1475 xprt_alloc 2 1475 NULL
117986 +SYSC_syslog_1477 SYSC_syslog 3 1477 NULL
117987 +sta_num_ps_buf_frames_read_1488 sta_num_ps_buf_frames_read 3 1488 NULL
117988 +fpregs_set_1497 fpregs_set 4 1497 NULL
117989 +tomoyo_round2_1518 tomoyo_round2 0 1518 NULL
117990 +alloc_perm_bits_1532 alloc_perm_bits 2 1532 NULL
117991 +ath6kl_init_get_fwcaps_1557 ath6kl_init_get_fwcaps 3 1557 NULL
117992 +ffs_mutex_lock_1564 ffs_mutex_lock 0 1564 NULL
117993 +ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime_1589 ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime 3 1589 NULL
117994 +ipath_ht_handle_hwerrors_1592 ipath_ht_handle_hwerrors 3 1592 NULL
117995 +packet_buffer_init_1607 packet_buffer_init 2 1607 NULL
117996 +btmrvl_hscmd_read_1614 btmrvl_hscmd_read 3 1614 NULL
117997 +v9fs_fid_xattr_get_1618 v9fs_fid_xattr_get 0 1618 NULL
117998 +ikconfig_read_current_1658 ikconfig_read_current 3 1658 NULL
117999 +mei_cl_recv_1665 mei_cl_recv 3 1665 NULL
118000 +rmap_add_1677 rmap_add 3 1677 NULL
118001 +configfs_read_file_1683 configfs_read_file 3 1683 NULL
118002 +iwl_dbgfs_d0i3_refs_read_1705 iwl_dbgfs_d0i3_refs_read 3 1705 NULL
118003 +pdu_write_u_1710 pdu_write_u 3 1710 NULL
118004 +coda_psdev_write_1711 coda_psdev_write 3 1711 NULL
118005 +btrfs_dir_data_len_1714 btrfs_dir_data_len 0 1714 NULL
118006 +internal_create_group_1733 internal_create_group 0 1733 NULL
118007 +dev_irnet_read_1741 dev_irnet_read 3 1741 NULL
118008 +usb_ep_align_maybe_1743 usb_ep_align_maybe 0-3 1743 NULL
118009 +tx_frag_called_read_1748 tx_frag_called_read 3 1748 NULL
118010 +cosa_write_1774 cosa_write 3 1774 NULL
118011 +fcoe_ctlr_device_add_1793 fcoe_ctlr_device_add 3 1793 NULL
118012 +__nodelist_scnprintf_1815 __nodelist_scnprintf 2-0 1815 NULL
118013 +sb_issue_zeroout_1884 sb_issue_zeroout 3 1884 NULL
118014 +rx_defrag_called_read_1897 rx_defrag_called_read 3 1897 NULL
118015 +nfs_parse_server_name_1899 nfs_parse_server_name 2 1899 NULL
118016 +SyS_add_key_1900 SyS_add_key 4 1900 NULL
118017 +uhid_char_read_1920 uhid_char_read 3 1920 NULL
118018 +tx_tx_retry_data_read_1926 tx_tx_retry_data_read 3 1926 NULL
118019 +azx_get_position_1927 azx_get_position 0 1927 NULL
118020 +bdev_erase_1933 bdev_erase 3 1933 NULL
118021 +ext3_fiemap_1936 ext3_fiemap 4 1936 NULL
118022 +cyttsp_probe_1940 cyttsp_probe 4 1940 NULL nohasharray
118023 +nvif_object_sclass_1940 nvif_object_sclass 3 1940 &cyttsp_probe_1940
118024 +ieee80211_if_fmt_dot11MeshConfirmTimeout_1945 ieee80211_if_fmt_dot11MeshConfirmTimeout 3 1945 NULL
118025 +ivtv_v4l2_read_1964 ivtv_v4l2_read 3 1964 NULL
118026 +qla2xxx_get_vpd_field_1965 qla2xxx_get_vpd_field 4 1965 NULL
118027 +sel_read_avc_hash_stats_1984 sel_read_avc_hash_stats 3 1984 NULL
118028 +gpio_power_write_1991 gpio_power_write 3 1991 NULL
118029 +__alloc_bootmem_node_1992 __alloc_bootmem_node 2 1992 NULL
118030 +rx_rx_defrag_read_2010 rx_rx_defrag_read 3 2010 NULL
118031 +ocfs2_global_qinit_alloc_2018 ocfs2_global_qinit_alloc 0 2018 NULL
118032 +write_flush_pipefs_2021 write_flush_pipefs 3 2021 NULL
118033 +BcmCopySection_2035 BcmCopySection 5 2035 NULL
118034 +ath6kl_fwlog_mask_read_2050 ath6kl_fwlog_mask_read 3 2050 NULL
118035 +ocfs2_expand_inline_dir_2063 ocfs2_expand_inline_dir 3 2063 NULL
118036 +__generic_copy_from_user_intel_2073 __generic_copy_from_user_intel 0-3 2073 NULL
118037 +diva_set_driver_dbg_mask_2077 diva_set_driver_dbg_mask 0 2077 NULL
118038 +iwl_dbgfs_current_sleep_command_read_2081 iwl_dbgfs_current_sleep_command_read 3 2081 NULL
118039 +xgmac_reg_value_read_2095 xgmac_reg_value_read 3 2095 NULL
118040 +idetape_chrdev_read_2097 idetape_chrdev_read 3 2097 NULL
118041 +audit_expand_2098 audit_expand 0 2098 NULL
118042 +__set_print_fmt_2106 __set_print_fmt 0 2106 NULL
118043 +iwl_dbgfs_log_event_read_2107 iwl_dbgfs_log_event_read 3 2107 NULL
118044 +ecryptfs_encrypt_and_encode_filename_2109 ecryptfs_encrypt_and_encode_filename 6 2109 NULL
118045 +btrfs_file_extent_inline_len_2116 btrfs_file_extent_inline_len 0 2116 NULL
118046 +enable_read_2117 enable_read 3 2117 NULL
118047 +pcf50633_write_block_2124 pcf50633_write_block 2-3 2124 NULL
118048 +check_load_and_stores_2143 check_load_and_stores 2 2143 NULL
118049 +iov_iter_count_2152 iov_iter_count 0 2152 NULL
118050 +__copy_to_user_ll_2157 __copy_to_user_ll 0-3 2157 NULL
118051 +_ore_get_io_state_2166 _ore_get_io_state 3-4-5 2166 NULL
118052 +bio_integrity_alloc_2194 bio_integrity_alloc 3 2194 NULL
118053 +picolcd_debug_reset_write_2195 picolcd_debug_reset_write 3 2195 NULL
118054 +u32_array_read_2219 u32_array_read 3 2219 NULL nohasharray
118055 +mei_dbgfs_read_meclients_2219 mei_dbgfs_read_meclients 3 2219 &u32_array_read_2219
118056 +ieee80211_if_read_dot11MeshHWMPRannInterval_2249 ieee80211_if_read_dot11MeshHWMPRannInterval 3 2249 NULL
118057 +netlbl_secattr_catmap_walk_2255 netlbl_secattr_catmap_walk 0-2 2255 NULL
118058 +sel_write_avc_cache_threshold_2256 sel_write_avc_cache_threshold 3 2256 NULL
118059 +do_update_counters_2259 do_update_counters 4 2259 NULL
118060 +ath6kl_wmi_bssinfo_event_rx_2275 ath6kl_wmi_bssinfo_event_rx 3 2275 NULL
118061 +vpdma_alloc_desc_buf_2278 vpdma_alloc_desc_buf 2 2278 NULL
118062 +debug_debug5_read_2291 debug_debug5_read 3 2291 NULL
118063 +sr_read_cmd_2299 sr_read_cmd 5 2299 NULL
118064 +kvm_clear_guest_page_2308 kvm_clear_guest_page 4 2308 NULL
118065 +intel_sdvo_set_value_2311 intel_sdvo_set_value 4 2311 NULL
118066 +hfsplus_find_init_2318 hfsplus_find_init 0 2318 NULL nohasharray
118067 +picolcd_fb_write_2318 picolcd_fb_write 3 2318 &hfsplus_find_init_2318
118068 +dice_hwdep_read_2326 dice_hwdep_read 3 2326 NULL
118069 +__erst_read_to_erange_2341 __erst_read_to_erange 0 2341 NULL
118070 +zr364xx_read_2354 zr364xx_read 3 2354 NULL
118071 +viafb_iga2_odev_proc_write_2363 viafb_iga2_odev_proc_write 3 2363 NULL
118072 +xfs_buf_map_from_irec_2368 xfs_buf_map_from_irec 5 2368 NULL nohasharray
118073 +rose_recvmsg_2368 rose_recvmsg 4 2368 &xfs_buf_map_from_irec_2368
118074 +il_dbgfs_sensitivity_read_2370 il_dbgfs_sensitivity_read 3 2370 NULL
118075 +rxpipe_rx_prep_beacon_drop_read_2403 rxpipe_rx_prep_beacon_drop_read 3 2403 NULL
118076 +isdn_v110_open_2418 isdn_v110_open 3 2418 NULL
118077 +raid1_size_2419 raid1_size 0-2 2419 NULL
118078 +b43legacy_debugfs_read_2473 b43legacy_debugfs_read 3 2473 NULL
118079 +wiphy_new_2482 wiphy_new 2 2482 NULL
118080 +bio_alloc_bioset_2484 bio_alloc_bioset 2 2484 NULL
118081 +squashfs_read_fragment_index_table_2506 squashfs_read_fragment_index_table 4 2506 NULL
118082 +v9fs_cached_file_read_2514 v9fs_cached_file_read 3 2514 NULL
118083 +ext4_get_inode_loc_2516 ext4_get_inode_loc 0 2516 NULL
118084 +batadv_tvlv_container_list_size_2524 batadv_tvlv_container_list_size 0 2524 NULL
118085 +smk_write_syslog_2529 smk_write_syslog 3 2529 NULL
118086 +__ceph_setxattr_2532 __ceph_setxattr 4 2532 NULL
118087 +sfw_create_rpc_2562 sfw_create_rpc 4 2562 NULL
118088 +gspca_dev_probe_2570 gspca_dev_probe 4 2570 NULL
118089 +pcm_sanity_check_2574 pcm_sanity_check 0 2574 NULL
118090 +mdc_max_rpcs_in_flight_seq_write_2594 mdc_max_rpcs_in_flight_seq_write 3 2594 NULL
118091 +slot_bytes_2609 slot_bytes 0 2609 NULL
118092 +smk_write_logging_2618 smk_write_logging 3 2618 NULL
118093 +switch_status_2629 switch_status 5 2629 NULL
118094 +_proc_do_string_2632 _proc_do_string 2 2632 NULL
118095 +tcp_xmit_size_goal_2661 tcp_xmit_size_goal 2 2661 NULL
118096 +osc_build_ppga_2670 osc_build_ppga 2 2670 NULL
118097 +ffs_ep0_read_2672 ffs_ep0_read 3 2672 NULL
118098 +oti6858_write_2692 oti6858_write 4 2692 NULL
118099 +copy_to_iter_iovec_2697 copy_to_iter_iovec 2 2697 NULL
118100 +nfc_llcp_send_ui_frame_2702 nfc_llcp_send_ui_frame 5 2702 NULL
118101 +memcpy_fromiovecend_2707 memcpy_fromiovecend 3-4 2707 NULL
118102 +lprocfs_stats_counter_size_2708 lprocfs_stats_counter_size 0 2708 NULL
118103 +xfs_readdir_2767 xfs_readdir 3 2767 NULL
118104 +fsl_edma_alloc_desc_2769 fsl_edma_alloc_desc 2 2769 NULL
118105 +mon_bin_ioctl_2771 mon_bin_ioctl 3 2771 NULL
118106 +set_msr_hyperv_pw_2785 set_msr_hyperv_pw 3 2785 NULL
118107 +device_add_attrs_2789 device_add_attrs 0 2789 NULL
118108 +iwl_dbgfs_clear_ucode_statistics_write_2804 iwl_dbgfs_clear_ucode_statistics_write 3 2804 NULL
118109 +sel_read_enforce_2828 sel_read_enforce 3 2828 NULL
118110 +vb2_dc_get_userptr_2829 vb2_dc_get_userptr 2-3 2829 NULL
118111 +sock_create_2838 sock_create 0 2838 NULL
118112 +wait_for_avail_2847 wait_for_avail 0 2847 NULL
118113 +sfq_alloc_2861 sfq_alloc 1 2861 NULL
118114 +irnet_ctrl_read_2863 irnet_ctrl_read 4 2863 NULL
118115 +move_addr_to_user_2868 move_addr_to_user 2 2868 NULL
118116 +nla_padlen_2883 nla_padlen 1 2883 NULL
118117 +cmm_write_2896 cmm_write 3 2896 NULL
118118 +osc_import_seq_write_2923 osc_import_seq_write 3 2923 NULL
118119 +xfs_trans_get_buf_map_2927 xfs_trans_get_buf_map 4 2927 NULL
118120 +nes_read_indexed_2946 nes_read_indexed 0 2946 NULL
118121 +tm6000_i2c_recv_regs16_2949 tm6000_i2c_recv_regs16 5 2949 NULL
118122 +i40e_dbg_prep_dump_buf_2951 i40e_dbg_prep_dump_buf 2 2951 NULL
118123 +set_fast_connectable_2952 set_fast_connectable 4 2952 NULL
118124 +free_area_init_core_2962 free_area_init_core 2-3 2962 NULL
118125 +bio_setup_sector_2970 bio_setup_sector 3 2970 NULL
118126 +do_strnlen_user_2976 do_strnlen_user 0-2 2976 NULL
118127 +p9_nr_pages_2992 p9_nr_pages 0-2 2992 NULL
118128 +lov_stripetype_seq_write_3013 lov_stripetype_seq_write 3 3013 NULL
118129 +do_dmabuf_dirty_sou_3017 do_dmabuf_dirty_sou 7 3017 NULL
118130 +depth_write_3021 depth_write 3 3021 NULL
118131 +snd_azf3328_codec_inl_3022 snd_azf3328_codec_inl 0 3022 NULL
118132 +nvme_split_and_submit_3027 nvme_split_and_submit 3 3027 NULL
118133 +kvm_unmap_hva_3028 kvm_unmap_hva 2 3028 NULL
118134 +xfrm_dst_alloc_copy_3034 xfrm_dst_alloc_copy 3 3034 NULL
118135 +lpfc_idiag_mbxacc_write_3038 lpfc_idiag_mbxacc_write 3 3038 NULL nohasharray
118136 +iwl_dbgfs_sleep_level_override_read_3038 iwl_dbgfs_sleep_level_override_read 3 3038 &lpfc_idiag_mbxacc_write_3038
118137 +nr_free_buffer_pages_3044 nr_free_buffer_pages 0 3044 NULL
118138 +il3945_ucode_rx_stats_read_3048 il3945_ucode_rx_stats_read 3 3048 NULL
118139 +qp_alloc_ppn_set_3068 qp_alloc_ppn_set 2-4 3068 NULL
118140 +__blk_end_bidi_request_3070 __blk_end_bidi_request 3-4 3070 NULL
118141 +hfsplus_asc2uni_3071 hfsplus_asc2uni 0 3071 NULL nohasharray
118142 +dac960_user_command_proc_write_3071 dac960_user_command_proc_write 3 3071 &hfsplus_asc2uni_3071
118143 +read_file_antenna_diversity_3077 read_file_antenna_diversity 3 3077 NULL
118144 +bio_integrity_intervals_3094 bio_integrity_intervals 0-2 3094 NULL
118145 +ttusb2_msg_3100 ttusb2_msg 4 3100 NULL
118146 +rb_alloc_3102 rb_alloc 1 3102 NULL
118147 +ufshcd_get_rsp_upiu_result_3114 ufshcd_get_rsp_upiu_result 0 3114 NULL
118148 +simple_write_to_buffer_3122 simple_write_to_buffer 5-2 3122 NULL
118149 +print_time_3132 print_time 0 3132 NULL
118150 +fill_write_buffer_3142 fill_write_buffer 3 3142 NULL
118151 +CIFSSMBSetPosixACL_3154 CIFSSMBSetPosixACL 5 3154 NULL
118152 +uv_num_possible_blades_3177 uv_num_possible_blades 0 3177 NULL
118153 +pkcs7_sig_note_signature_3178 pkcs7_sig_note_signature 5 3178 NULL
118154 +uinput_ioctl_handler_3181 uinput_ioctl_handler 2 3181 NULL nohasharray
118155 +uvc_video_stats_dump_3181 uvc_video_stats_dump 3 3181 &uinput_ioctl_handler_3181
118156 +compat_do_ip6t_set_ctl_3184 compat_do_ip6t_set_ctl 4 3184 NULL
118157 +mempool_create_node_3191 mempool_create_node 1 3191 NULL
118158 +alloc_context_3194 alloc_context 1 3194 NULL
118159 +dma_init_coherent_memory_3197 dma_init_coherent_memory 3 3197 NULL
118160 +shmem_pread_slow_3198 shmem_pread_slow 3-2 3198 NULL
118161 +codec_reg_write_file_3204 codec_reg_write_file 3 3204 NULL
118162 +SyS_sendto_3219 SyS_sendto 6 3219 NULL
118163 +btrfs_prealloc_file_range_3227 btrfs_prealloc_file_range 3 3227 NULL
118164 +kimage_crash_alloc_3233 kimage_crash_alloc 3 3233 NULL
118165 +write_adapter_mem_3234 write_adapter_mem 3 3234 NULL
118166 +do_read_log_to_user_3236 do_read_log_to_user 4 3236 NULL
118167 +ext3_xattr_find_entry_3237 ext3_xattr_find_entry 0 3237 NULL
118168 +key_key_read_3241 key_key_read 3 3241 NULL
118169 +__ilog2_u64_3284 __ilog2_u64 0 3284 NULL
118170 +ieee80211_if_write_beacon_loss_3296 ieee80211_if_write_beacon_loss 3 3296 NULL
118171 +cgroup_name_3300 cgroup_name 3 3300 NULL
118172 +__iovec_copy_from_user_inatomic_3314 __iovec_copy_from_user_inatomic 0-4-3 3314 NULL
118173 +_iwl_dbgfs_d3_sram_write_3315 _iwl_dbgfs_d3_sram_write 3 3315 NULL
118174 +dbDiscardAG_3322 dbDiscardAG 3 3322 NULL
118175 +read_from_oldmem_3337 read_from_oldmem 2 3337 NULL
118176 +sysfs_create_group_3339 sysfs_create_group 0 3339 NULL
118177 +tty_port_register_device_attr_3341 tty_port_register_device_attr 3 3341 NULL
118178 +il_dbgfs_interrupt_read_3351 il_dbgfs_interrupt_read 3 3351 NULL
118179 +gsm_control_rls_3353 gsm_control_rls 3 3353 NULL
118180 +scnprintf_3360 scnprintf 0-2 3360 NULL
118181 +sr_read_3366 sr_read 3 3366 NULL
118182 +mtdchar_writeoob_3393 mtdchar_writeoob 4 3393 NULL
118183 +isdn_readbchan_3401 isdn_readbchan 0-5 3401 NULL
118184 +mei_io_cb_alloc_resp_buf_3414 mei_io_cb_alloc_resp_buf 2 3414 NULL
118185 +pci_add_cap_save_buffer_3426 pci_add_cap_save_buffer 3 3426 NULL
118186 +crystalhd_create_dio_pool_3427 crystalhd_create_dio_pool 2 3427 NULL
118187 +SyS_msgsnd_3436 SyS_msgsnd 3 3436 NULL
118188 +softsynth_write_3455 softsynth_write 3 3455 NULL
118189 +snd_pcm_lib_readv_transfer_3464 snd_pcm_lib_readv_transfer 5-4-2 3464 NULL
118190 +security_context_to_sid_default_3492 security_context_to_sid_default 2 3492 NULL
118191 +xfrm_migrate_msgsize_3496 xfrm_migrate_msgsize 1 3496 NULL
118192 +mem_tx_free_mem_blks_read_3521 mem_tx_free_mem_blks_read 3 3521 NULL
118193 +SyS_semtimedop_3532 SyS_semtimedop 3 3532 NULL
118194 +SyS_readv_3539 SyS_readv 3 3539 NULL
118195 +nouveau_fuse_create__3546 nouveau_fuse_create_ 4 3546 NULL
118196 +btrfs_dir_name_len_3549 btrfs_dir_name_len 0 3549 NULL
118197 +alloc_smp_resp_3566 alloc_smp_resp 1 3566 NULL
118198 +evtchn_read_3569 evtchn_read 3 3569 NULL
118199 +ll_track_ppid_seq_write_3582 ll_track_ppid_seq_write 3 3582 NULL
118200 +vc_resize_3585 vc_resize 3-2 3585 NULL
118201 +kvm_mmu_notifier_change_pte_3596 kvm_mmu_notifier_change_pte 3 3596 NULL
118202 +sctp_getsockopt_events_3607 sctp_getsockopt_events 2 3607 NULL
118203 +edac_mc_alloc_3611 edac_mc_alloc 4 3611 NULL
118204 +tx_tx_starts_read_3617 tx_tx_starts_read 3 3617 NULL
118205 +aligned_kmalloc_3628 aligned_kmalloc 1 3628 NULL
118206 +fm10k_alloc_q_vector_3638 fm10k_alloc_q_vector 4-6 3638 NULL
118207 +ath6kl_disconnect_timeout_read_3650 ath6kl_disconnect_timeout_read 3 3650 NULL
118208 +i915_compat_ioctl_3656 i915_compat_ioctl 2 3656 NULL
118209 +_iwl_dbgfs_tx_flush_write_3675 _iwl_dbgfs_tx_flush_write 3 3675 NULL
118210 +snd_m3_assp_read_3703 snd_m3_assp_read 0 3703 NULL
118211 +ci_ll_write_3740 ci_ll_write 4 3740 NULL
118212 +msm_otg_mode_write_3788 msm_otg_mode_write 3 3788 NULL
118213 +sctp_setsockopt_auth_key_3793 sctp_setsockopt_auth_key 3 3793 NULL
118214 +ncp_file_write_3813 ncp_file_write 3 3813 NULL
118215 +llc_ui_recvmsg_3826 llc_ui_recvmsg 4 3826 NULL
118216 +ceph_do_getattr_3838 ceph_do_getattr 0 3838 NULL
118217 +create_one_cdev_3852 create_one_cdev 2 3852 NULL
118218 +smk_read_onlycap_3855 smk_read_onlycap 3 3855 NULL
118219 +get_fd_set_3866 get_fd_set 1 3866 NULL
118220 +garp_attr_create_3883 garp_attr_create 3 3883 NULL
118221 +efivarfs_file_read_3893 efivarfs_file_read 3 3893 NULL
118222 +nvram_write_3894 nvram_write 3 3894 NULL
118223 +pipeline_pre_proc_swi_read_3898 pipeline_pre_proc_swi_read 3 3898 NULL
118224 +comedi_buf_read_n_available_3899 comedi_buf_read_n_available 0 3899 NULL
118225 +vcs_write_3910 vcs_write 3 3910 NULL
118226 +SyS_move_pages_3920 SyS_move_pages 2 3920 NULL
118227 +hdlc_irq_one_3944 hdlc_irq_one 2 3944 NULL
118228 +brcmf_debugfs_fws_stats_read_3947 brcmf_debugfs_fws_stats_read 3 3947 NULL
118229 +mite_bytes_written_to_memory_lb_3987 mite_bytes_written_to_memory_lb 0 3987 NULL
118230 +copy_from_user_atomic_iovec_3990 copy_from_user_atomic_iovec 0-4 3990 NULL
118231 +do_add_counters_3992 do_add_counters 3 3992 NULL
118232 +userspace_status_4004 userspace_status 4 4004 NULL
118233 +xfs_check_block_4005 xfs_check_block 4 4005 NULL nohasharray
118234 +mei_write_4005 mei_write 3 4005 &xfs_check_block_4005
118235 +snd_hdsp_capture_copy_4011 snd_hdsp_capture_copy 5 4011 NULL
118236 +blk_end_request_4024 blk_end_request 3 4024 NULL
118237 +ext4_xattr_find_entry_4025 ext4_xattr_find_entry 0 4025 NULL
118238 +mtip_hw_read_registers_4037 mtip_hw_read_registers 3 4037 NULL
118239 +read_file_queues_4078 read_file_queues 3 4078 NULL
118240 +fbcon_do_set_font_4079 fbcon_do_set_font 2-3 4079 NULL
118241 +C_SYSC_rt_sigpending_4114 C_SYSC_rt_sigpending 2 4114 NULL
118242 +tm6000_read_4151 tm6000_read 3 4151 NULL
118243 +mpt_raid_phys_disk_get_num_paths_4155 mpt_raid_phys_disk_get_num_paths 0 4155 NULL
118244 +msg_bits_4158 msg_bits 0-3-4 4158 NULL
118245 +get_alua_req_4166 get_alua_req 3 4166 NULL
118246 +blk_dropped_read_4168 blk_dropped_read 3 4168 NULL
118247 +read_file_bool_4180 read_file_bool 3 4180 NULL
118248 +lstcon_test_add_4190 lstcon_test_add 10 4190 NULL
118249 +vring_new_virtqueue_4199 vring_new_virtqueue 2 4199 NULL
118250 +f1x_determine_channel_4202 f1x_determine_channel 2 4202 NULL
118251 +_osd_req_list_objects_4204 _osd_req_list_objects 6 4204 NULL
118252 +__snd_gf1_read_addr_4210 __snd_gf1_read_addr 0 4210 NULL
118253 +ath6kl_force_roam_write_4282 ath6kl_force_roam_write 3 4282 NULL
118254 +goldfish_audio_write_4284 goldfish_audio_write 3 4284 NULL
118255 +get_connectors_for_crtc_4291 get_connectors_for_crtc 0 4291 NULL
118256 +__usbnet_read_cmd_4299 __usbnet_read_cmd 7 4299 NULL
118257 +dvb_ringbuffer_pkt_read_user_4303 dvb_ringbuffer_pkt_read_user 2-3-5 4303 NULL
118258 +count_strings_4315 count_strings 0 4315 NULL nohasharray
118259 +cfg80211_inform_bss_4315 cfg80211_inform_bss 9 4315 &count_strings_4315
118260 +nouveau_fifo_create__4327 nouveau_fifo_create_ 5-6 4327 NULL
118261 +snd_rawmidi_kernel_read_4328 snd_rawmidi_kernel_read 3 4328 NULL
118262 +ima_eventdigest_init_common_4338 ima_eventdigest_init_common 2 4338 NULL
118263 +__copy_from_user_inatomic_4365 __copy_from_user_inatomic 0-3 4365 NULL nohasharray
118264 +lookup_string_4365 lookup_string 0 4365 &__copy_from_user_inatomic_4365
118265 +irda_sendmsg_4388 irda_sendmsg 4 4388 NULL
118266 +access_process_vm_4412 access_process_vm 0 4412 NULL nohasharray
118267 +cxacru_cm_get_array_4412 cxacru_cm_get_array 4 4412 &access_process_vm_4412
118268 +libfc_vport_create_4415 libfc_vport_create 2 4415 NULL
118269 +rtw_android_get_rssi_4421 rtw_android_get_rssi 0 4421 NULL
118270 +do_pages_stat_4437 do_pages_stat 2 4437 NULL
118271 +at76_set_card_command_4471 at76_set_card_command 4 4471 NULL
118272 +snd_seq_expand_var_event_4481 snd_seq_expand_var_event 5-0 4481 NULL
118273 +vmbus_establish_gpadl_4495 vmbus_establish_gpadl 3 4495 NULL
118274 +set_link_security_4502 set_link_security 4 4502 NULL
118275 +ll_max_readahead_per_file_mb_seq_write_4531 ll_max_readahead_per_file_mb_seq_write 3 4531 NULL
118276 +tty_register_device_4544 tty_register_device 2 4544 NULL
118277 +fsl_edma_prep_slave_sg_4555 fsl_edma_prep_slave_sg 3 4555 NULL
118278 +btrfs_file_extent_inline_item_len_4575 btrfs_file_extent_inline_item_len 0 4575 NULL
118279 +xfs_buf_get_maps_4581 xfs_buf_get_maps 2 4581 NULL
118280 +bch_alloc_4593 bch_alloc 1 4593 NULL
118281 +ll_rw_extents_stats_seq_write_4633 ll_rw_extents_stats_seq_write 3 4633 NULL
118282 +iwl_dbgfs_tx_queue_read_4635 iwl_dbgfs_tx_queue_read 3 4635 NULL
118283 +nve0_gpio_intr_mask_4665 nve0_gpio_intr_mask 4-3 4665 NULL
118284 +skb_add_data_nocache_4682 skb_add_data_nocache 4 4682 NULL
118285 +cx18_read_pos_4683 cx18_read_pos 3 4683 NULL
118286 +short_retry_limit_read_4687 short_retry_limit_read 3 4687 NULL
118287 +kone_receive_4690 kone_receive 4 4690 NULL
118288 +hash_netportnet6_expire_4702 hash_netportnet6_expire 4 4702 NULL
118289 +cxgbi_alloc_big_mem_4707 cxgbi_alloc_big_mem 1 4707 NULL
118290 +ati_create_gatt_pages_4722 ati_create_gatt_pages 1 4722 NULL nohasharray
118291 +show_header_4722 show_header 3 4722 &ati_create_gatt_pages_4722
118292 +ll_rw_offset_stats_seq_write_4736 ll_rw_offset_stats_seq_write 3 4736 NULL nohasharray
118293 +bitmap_startwrite_4736 bitmap_startwrite 2 4736 &ll_rw_offset_stats_seq_write_4736
118294 +lu_buf_alloc_4753 lu_buf_alloc 2 4753 NULL
118295 +pwr_rcvd_bcns_cnt_read_4774 pwr_rcvd_bcns_cnt_read 3 4774 NULL
118296 +create_subvol_4791 create_subvol 4 4791 NULL
118297 +ncp__vol2io_4804 ncp__vol2io 5 4804 NULL
118298 +C_SYSC_setsockopt_4806 C_SYSC_setsockopt 5 4806 NULL
118299 +repair_io_failure_4815 repair_io_failure 4-3 4815 NULL
118300 +scsi_end_request_4839 scsi_end_request 3-4 4839 NULL
118301 +comedi_buf_write_free_4847 comedi_buf_write_free 2 4847 NULL
118302 +gigaset_if_receive_4861 gigaset_if_receive 3 4861 NULL
118303 +key_tx_spec_read_4862 key_tx_spec_read 3 4862 NULL
118304 +ocfs2_defrag_extent_4873 ocfs2_defrag_extent 2 4873 NULL
118305 +hid_register_field_4874 hid_register_field 2-3 4874 NULL
118306 +vga_arb_read_4886 vga_arb_read 3 4886 NULL
118307 +ieee80211_if_fmt_ave_beacon_4941 ieee80211_if_fmt_ave_beacon 3 4941 NULL
118308 +compat_rawv6_setsockopt_4967 compat_rawv6_setsockopt 5 4967 NULL
118309 +ath10k_read_chip_id_4969 ath10k_read_chip_id 3 4969 NULL
118310 +skb_network_header_len_4971 skb_network_header_len 0 4971 NULL
118311 +ieee80211_if_fmt_dot11MeshHWMPconfirmationInterval_4976 ieee80211_if_fmt_dot11MeshHWMPconfirmationInterval 3 4976 NULL
118312 +compat_SyS_ipc_5000 compat_SyS_ipc 3 5000 NULL
118313 +do_mincore_5018 do_mincore 0-2-1 5018 NULL
118314 +cfg80211_rx_mgmt_5056 cfg80211_rx_mgmt 5 5056 NULL
118315 +ocfs2_check_range_for_holes_5066 ocfs2_check_range_for_holes 3-2 5066 NULL
118316 +snd_mixart_BA1_read_5082 snd_mixart_BA1_read 5 5082 NULL
118317 +snd_emu10k1_ptr20_read_5087 snd_emu10k1_ptr20_read 0 5087 NULL
118318 +get_random_bytes_5091 get_random_bytes 2 5091 NULL nohasharray
118319 +kfifo_copy_from_user_5091 kfifo_copy_from_user 3-4-0 5091 &get_random_bytes_5091 nohasharray
118320 +blk_rq_sectors_5091 blk_rq_sectors 0 5091 &kfifo_copy_from_user_5091
118321 +sound_write_5102 sound_write 3 5102 NULL
118322 +i40e_dbg_netdev_ops_write_5117 i40e_dbg_netdev_ops_write 3 5117 NULL
118323 +qib_7220_handle_hwerrors_5142 qib_7220_handle_hwerrors 3 5142 NULL
118324 +bucket_table_alloc_5149 bucket_table_alloc 1 5149 NULL
118325 +__uwb_addr_print_5161 __uwb_addr_print 2 5161 NULL
118326 +iwl_dbgfs_status_read_5171 iwl_dbgfs_status_read 3 5171 NULL
118327 +acpi_pcc_get_sqty_5176 acpi_pcc_get_sqty 0 5176 NULL
118328 +trf7970a_read_cont_5179 trf7970a_read_cont 4 5179 NULL
118329 +ppp_cp_parse_cr_5214 ppp_cp_parse_cr 4 5214 NULL
118330 +dwc2_hcd_urb_alloc_5217 dwc2_hcd_urb_alloc 2 5217 NULL
118331 +ath6kl_debug_roam_tbl_event_5224 ath6kl_debug_roam_tbl_event 3 5224 NULL
118332 +ipv4_tun_to_nlattr_5261 ipv4_tun_to_nlattr 4 5261 NULL
118333 +dvb_ringbuffer_write_user_5270 dvb_ringbuffer_write_user 3 5270 NULL
118334 +xgmac_reg_addr_read_5278 xgmac_reg_addr_read 3 5278 NULL
118335 +usb_descriptor_fillbuf_5302 usb_descriptor_fillbuf 0 5302 NULL
118336 +r592_write_fifo_pio_5315 r592_write_fifo_pio 3 5315 NULL
118337 +sbc_get_write_same_sectors_5317 sbc_get_write_same_sectors 0 5317 NULL
118338 +pwr_elp_enter_read_5324 pwr_elp_enter_read 3 5324 NULL
118339 +uinput_ioctl_5342 uinput_ioctl 2 5342 NULL
118340 +cq_free_res_5355 cq_free_res 5 5355 NULL
118341 +ps_pspoll_utilization_read_5361 ps_pspoll_utilization_read 3 5361 NULL
118342 +cciss_allocate_sg_chain_blocks_5368 cciss_allocate_sg_chain_blocks 3-2 5368 NULL
118343 +xfs_efd_init_5463 xfs_efd_init 3 5463 NULL
118344 +ll_xattr_cache_refill_5468 ll_xattr_cache_refill 0 5468 NULL
118345 +kernfs_fop_write_5471 kernfs_fop_write 3 5471 NULL
118346 +xfs_efi_init_5476 xfs_efi_init 2 5476 NULL
118347 +pci_enable_msix_exact_5482 pci_enable_msix_exact 3 5482 NULL
118348 +cifs_security_flags_proc_write_5484 cifs_security_flags_proc_write 3 5484 NULL
118349 +tty_write_5494 tty_write 3 5494 NULL
118350 +tomoyo_update_domain_5498 tomoyo_update_domain 2 5498 NULL nohasharray
118351 +ieee80211_if_fmt_last_beacon_5498 ieee80211_if_fmt_last_beacon 3 5498 &tomoyo_update_domain_5498
118352 +__max_nr_grant_frames_5505 __max_nr_grant_frames 0 5505 NULL
118353 +ieee80211_if_fmt_auto_open_plinks_5534 ieee80211_if_fmt_auto_open_plinks 3 5534 NULL
118354 +get_entry_msg_len_5552 get_entry_msg_len 0 5552 NULL
118355 +le_readq_5557 le_readq 0 5557 NULL
118356 +inw_5558 inw 0 5558 NULL
118357 +bioset_create_5580 bioset_create 1 5580 NULL
118358 +oz_ep_alloc_5587 oz_ep_alloc 1 5587 NULL
118359 +SYSC_fsetxattr_5639 SYSC_fsetxattr 4 5639 NULL
118360 +ext4_xattr_get_5661 ext4_xattr_get 0 5661 NULL
118361 +posix_clock_register_5662 posix_clock_register 2 5662 NULL
118362 +get_arg_5694 get_arg 3 5694 NULL
118363 +subbuf_read_actor_5708 subbuf_read_actor 3 5708 NULL
118364 +vmw_kms_readback_5727 vmw_kms_readback 6 5727 NULL
118365 +sctp_setsockopt_autoclose_5775 sctp_setsockopt_autoclose 3 5775 NULL
118366 +__vxge_hw_blockpool_malloc_5786 __vxge_hw_blockpool_malloc 2 5786 NULL
118367 +nvme_trans_bdev_char_page_5797 nvme_trans_bdev_char_page 3 5797 NULL
118368 +skb_copy_datagram_iovec_5806 skb_copy_datagram_iovec 2-4 5806 NULL nohasharray
118369 +ath10k_core_create_5806 ath10k_core_create 1 5806 &skb_copy_datagram_iovec_5806
118370 +nv50_disp_pioc_create__5812 nv50_disp_pioc_create_ 5 5812 NULL
118371 +ceph_x_encrypt_buflen_5829 ceph_x_encrypt_buflen 0-1 5829 NULL
118372 +ceph_msg_new_5846 ceph_msg_new 2 5846 NULL
118373 +setup_req_5848 setup_req 3 5848 NULL
118374 +ria_page_count_5849 ria_page_count 0 5849 NULL
118375 +rx_filter_max_arp_queue_dep_read_5851 rx_filter_max_arp_queue_dep_read 3 5851 NULL
118376 +uinput_compat_ioctl_5861 uinput_compat_ioctl 2 5861 NULL
118377 +config_buf_5862 config_buf 0 5862 NULL nohasharray
118378 +ufshcd_check_query_response_5862 ufshcd_check_query_response 0 5862 &config_buf_5862
118379 +lprocfs_fid_width_seq_write_5889 lprocfs_fid_width_seq_write 3 5889 NULL
118380 +port_show_regs_5904 port_show_regs 3 5904 NULL
118381 +rbd_segment_length_5907 rbd_segment_length 0-3-2 5907 NULL
118382 +uhci_debug_read_5911 uhci_debug_read 3 5911 NULL
118383 +lbs_highsnr_read_5931 lbs_highsnr_read 3 5931 NULL
118384 +ps_poll_ps_poll_timeouts_read_5934 ps_poll_ps_poll_timeouts_read 3 5934 NULL
118385 +edac_device_alloc_ctl_info_5941 edac_device_alloc_ctl_info 1 5941 NULL
118386 +ll_statahead_one_5962 ll_statahead_one 3 5962 NULL
118387 +__apu_get_register_5967 __apu_get_register 0 5967 NULL
118388 +ieee80211_if_fmt_rc_rateidx_mask_5ghz_5971 ieee80211_if_fmt_rc_rateidx_mask_5ghz 3 5971 NULL
118389 +SyS_semop_5980 SyS_semop 3 5980 NULL
118390 +btrfs_item_offset_6019 btrfs_item_offset 0 6019 NULL
118391 +alloc_msg_6072 alloc_msg 1 6072 NULL
118392 +sctp_setsockopt_connectx_6073 sctp_setsockopt_connectx 3 6073 NULL
118393 +_random_read_6098 _random_read 3 6098 NULL
118394 +ipmi_addr_length_6110 ipmi_addr_length 0 6110 NULL nohasharray
118395 +force_static_address_read_6110 force_static_address_read 3 6110 &ipmi_addr_length_6110
118396 +dfs_global_file_write_6112 dfs_global_file_write 3 6112 NULL
118397 +nouveau_parent_create__6131 nouveau_parent_create_ 7 6131 NULL
118398 +ieee80211_if_fmt_beacon_timeout_6153 ieee80211_if_fmt_beacon_timeout 3 6153 NULL
118399 +ivtv_copy_buf_to_user_6159 ivtv_copy_buf_to_user 4 6159 NULL
118400 +maybe_insert_hole_6167 maybe_insert_hole 3 6167 NULL
118401 +wl1251_cmd_template_set_6172 wl1251_cmd_template_set 4 6172 NULL
118402 +SyS_setgroups_6182 SyS_setgroups 1 6182 NULL
118403 +snd_efw_command_get_phys_meters_6190 snd_efw_command_get_phys_meters 3 6190 NULL
118404 +mxt_show_instance_6207 mxt_show_instance 2-0 6207 NULL
118405 +v4l2_ctrl_new_std_menu_6221 v4l2_ctrl_new_std_menu 4 6221 NULL
118406 +mqueue_read_file_6228 mqueue_read_file 3 6228 NULL
118407 +f_hidg_read_6238 f_hidg_read 3 6238 NULL
118408 +fbcon_prepare_logo_6246 fbcon_prepare_logo 5 6246 NULL
118409 +of_gpio_count_6270 of_gpio_count 0 6270 NULL
118410 +tx_tx_start_null_frame_read_6281 tx_tx_start_null_frame_read 3 6281 NULL
118411 +snd_hda_override_conn_list_6282 snd_hda_override_conn_list 3-0 6282 NULL nohasharray
118412 +xenbus_file_write_6282 xenbus_file_write 3 6282 &snd_hda_override_conn_list_6282
118413 +posix_acl_fix_xattr_to_user_6283 posix_acl_fix_xattr_to_user 2 6283 NULL
118414 +serial_port_in_6291 serial_port_in 0 6291 NULL
118415 +qlcnic_sriov_alloc_bc_msg_6309 qlcnic_sriov_alloc_bc_msg 2 6309 NULL
118416 +hfsplus_direct_IO_6313 hfsplus_direct_IO 4 6313 NULL
118417 +SyS_mincore_6329 SyS_mincore 2-1 6329 NULL nohasharray
118418 +hfa384x_inw_6329 hfa384x_inw 0 6329 &SyS_mincore_6329
118419 +fuse_get_req_for_background_6337 fuse_get_req_for_background 2 6337 NULL
118420 +ucs2_strnlen_6342 ucs2_strnlen 0 6342 NULL
118421 +regcache_sync_block_raw_6350 regcache_sync_block_raw 5-4 6350 NULL
118422 +mei_dbgfs_read_devstate_6352 mei_dbgfs_read_devstate 3 6352 NULL
118423 +arch_gnttab_valloc_6372 arch_gnttab_valloc 2 6372 NULL
118424 +osd_req_read_sg_kern_6378 osd_req_read_sg_kern 5 6378 NULL nohasharray
118425 +sync_fence_alloc_6378 sync_fence_alloc 1 6378 &osd_req_read_sg_kern_6378
118426 +posix_acl_fix_xattr_userns_6420 posix_acl_fix_xattr_userns 4 6420 NULL
118427 +add_transaction_credits_6422 add_transaction_credits 2-3 6422 NULL
118428 +ipr_change_queue_depth_6431 ipr_change_queue_depth 2 6431 NULL
118429 +__alloc_bootmem_node_nopanic_6432 __alloc_bootmem_node_nopanic 2 6432 NULL
118430 +C_SYSC_vmsplice_6470 C_SYSC_vmsplice 3 6470 NULL
118431 +ieee80211_if_fmt_dot11MeshMaxRetries_6476 ieee80211_if_fmt_dot11MeshMaxRetries 3 6476 NULL
118432 +qp_memcpy_from_queue_6479 qp_memcpy_from_queue 5-4 6479 NULL
118433 +cipso_v4_map_lvl_hton_6490 cipso_v4_map_lvl_hton 0 6490 NULL
118434 +dbg_intr_buf_6501 dbg_intr_buf 2 6501 NULL
118435 +mei_read_6507 mei_read 3 6507 NULL
118436 +rndis_set_oid_6547 rndis_set_oid 4 6547 NULL
118437 +wdm_read_6549 wdm_read 3 6549 NULL
118438 +dm_stats_create_6551 dm_stats_create 4-2-3 6551 NULL
118439 +fb_alloc_cmap_6554 fb_alloc_cmap 2 6554 NULL
118440 +SyS_semtimedop_6563 SyS_semtimedop 3 6563 NULL
118441 +ecryptfs_filldir_6622 ecryptfs_filldir 3 6622 NULL
118442 +xfs_do_div_6649 xfs_do_div 0-2 6649 NULL
118443 +process_rcvd_data_6679 process_rcvd_data 3 6679 NULL
118444 +btrfs_lookup_csums_range_6696 btrfs_lookup_csums_range 2-3 6696 NULL
118445 +ps_pspoll_max_apturn_read_6699 ps_pspoll_max_apturn_read 3 6699 NULL
118446 +bnad_debugfs_write_regrd_6706 bnad_debugfs_write_regrd 3 6706 NULL
118447 +mpeg_read_6708 mpeg_read 3 6708 NULL
118448 +ibmpex_query_sensor_count_6709 ibmpex_query_sensor_count 0 6709 NULL
118449 +check_clk_sync_6717 check_clk_sync 2 6717 NULL
118450 +video_proc_write_6724 video_proc_write 3 6724 NULL
118451 +posix_acl_xattr_count_6725 posix_acl_xattr_count 0-1 6725 NULL
118452 +inet_recv_error_6744 inet_recv_error 3 6744 NULL
118453 +kobject_add_varg_6781 kobject_add_varg 0 6781 NULL
118454 +iwl_dbgfs_channels_read_6784 iwl_dbgfs_channels_read 3 6784 NULL
118455 +ieee80211_if_read_6785 ieee80211_if_read 3 6785 NULL
118456 +zone_spanned_pages_in_node_6787 zone_spanned_pages_in_node 0-3-4 6787 NULL
118457 +hdlcdrv_register_6792 hdlcdrv_register 2 6792 NULL
118458 +ll_xattr_cache_find_6798 ll_xattr_cache_find 0 6798 NULL
118459 +tx_tx_done_data_read_6799 tx_tx_done_data_read 3 6799 NULL
118460 +rounded_hashtable_size_6802 rounded_hashtable_size 0 6802 NULL
118461 +lbs_rdrf_write_6826 lbs_rdrf_write 3 6826 NULL
118462 +calc_pages_for_6838 calc_pages_for 0-1-2 6838 NULL
118463 +blk_alloc_flush_queue_6839 blk_alloc_flush_queue 3 6839 NULL
118464 +mon_bin_read_6841 mon_bin_read 3 6841 NULL
118465 +snd_cs4281_BA0_read_6847 snd_cs4281_BA0_read 5 6847 NULL
118466 +perf_output_sample_ustack_6868 perf_output_sample_ustack 2 6868 NULL
118467 +dio_complete_6879 dio_complete 0-3-2 6879 NULL
118468 +raw_seticmpfilter_6888 raw_seticmpfilter 3 6888 NULL nohasharray
118469 +ieee80211_if_fmt_path_refresh_time_6888 ieee80211_if_fmt_path_refresh_time 3 6888 &raw_seticmpfilter_6888
118470 +dlmfs_file_write_6892 dlmfs_file_write 3 6892 NULL
118471 +proc_sessionid_read_6911 proc_sessionid_read 3 6911 NULL nohasharray
118472 +spi_show_regs_6911 spi_show_regs 3 6911 &proc_sessionid_read_6911 nohasharray
118473 +acm_alloc_minor_6911 acm_alloc_minor 0 6911 &spi_show_regs_6911
118474 +__kfifo_dma_in_finish_r_6913 __kfifo_dma_in_finish_r 2-3 6913 NULL
118475 +do_msgrcv_6921 do_msgrcv 3 6921 NULL
118476 +cache_do_downcall_6926 cache_do_downcall 3 6926 NULL
118477 +ipath_verbs_send_dma_6929 ipath_verbs_send_dma 6 6929 NULL
118478 +qsfp_cks_6945 qsfp_cks 2-0 6945 NULL
118479 +tg3_nvram_write_block_unbuffered_6955 tg3_nvram_write_block_unbuffered 3 6955 NULL
118480 +pch_uart_hal_read_6961 pch_uart_hal_read 0 6961 NULL
118481 +i40e_dbg_dump_write_6973 i40e_dbg_dump_write 3 6973 NULL nohasharray
118482 +rsa_extract_mpi_6973 rsa_extract_mpi 5 6973 &i40e_dbg_dump_write_6973
118483 +lustre_pack_reply_6982 lustre_pack_reply 2 6982 NULL
118484 +request_key_async_6990 request_key_async 4 6990 NULL
118485 +tpl_write_6998 tpl_write 3 6998 NULL
118486 +cipso_v4_gentag_enum_7006 cipso_v4_gentag_enum 0 7006 NULL
118487 +tracing_cpumask_read_7010 tracing_cpumask_read 3 7010 NULL
118488 +ld_usb_write_7022 ld_usb_write 3 7022 NULL
118489 +wimax_msg_7030 wimax_msg 4 7030 NULL
118490 +ceph_kvmalloc_7033 ceph_kvmalloc 1 7033 NULL
118491 +ipath_get_base_info_7043 ipath_get_base_info 3 7043 NULL
118492 +snd_pcm_oss_bytes_7051 snd_pcm_oss_bytes 2 7051 NULL
118493 +nouveau_device_create__7063 nouveau_device_create_ 7 7063 NULL
118494 +hci_sock_recvmsg_7072 hci_sock_recvmsg 4 7072 NULL
118495 +event_enable_read_7074 event_enable_read 3 7074 NULL
118496 +beacon_interval_read_7091 beacon_interval_read 3 7091 NULL nohasharray
118497 +tipc_send_packet_7091 tipc_send_packet 4 7091 &beacon_interval_read_7091
118498 +pipeline_enc_rx_stat_fifo_int_read_7107 pipeline_enc_rx_stat_fifo_int_read 3 7107 NULL
118499 +osc_resend_count_seq_write_7120 osc_resend_count_seq_write 3 7120 NULL
118500 +qib_format_hwerrors_7133 qib_format_hwerrors 5 7133 NULL
118501 +kvm_mmu_notifier_test_young_7139 kvm_mmu_notifier_test_young 3 7139 NULL
118502 +qlcnic_enable_msix_7144 qlcnic_enable_msix 2 7144 NULL
118503 +__alloc_objio_seg_7203 __alloc_objio_seg 1 7203 NULL
118504 +hdlc_loop_7255 hdlc_loop 0 7255 NULL
118505 +rx_rate_rx_frames_per_rates_read_7282 rx_rate_rx_frames_per_rates_read 3 7282 NULL nohasharray
118506 +kimage_alloc_init_7282 kimage_alloc_init 3 7282 &rx_rate_rx_frames_per_rates_read_7282
118507 +get_string_7302 get_string 0 7302 NULL
118508 +pci_vpd_info_field_size_7324 pci_vpd_info_field_size 0 7324 NULL
118509 +mgmt_control_7349 mgmt_control 3 7349 NULL
118510 +at_est2timeout_7365 at_est2timeout 0-1 7365 NULL
118511 +ieee80211_if_read_dot11MeshHWMPactivePathTimeout_7368 ieee80211_if_read_dot11MeshHWMPactivePathTimeout 3 7368 NULL
118512 +ath10k_read_fw_stats_7387 ath10k_read_fw_stats 3 7387 NULL
118513 +hweight_long_7388 hweight_long 0-1 7388 NULL
118514 +sl_change_mtu_7396 sl_change_mtu 2 7396 NULL
118515 +_ore_add_stripe_unit_7399 _ore_add_stripe_unit 6-3 7399 NULL
118516 +audmux_read_file_7400 audmux_read_file 3 7400 NULL
118517 +readb_7401 readb 0 7401 NULL
118518 +tipc_recvmsg_7402 tipc_recvmsg 4 7402 NULL
118519 +drm_property_create_blob_7414 drm_property_create_blob 2 7414 NULL
118520 +__copy_to_user_nocheck_7443 __copy_to_user_nocheck 0-3 7443 NULL
118521 +ip_options_get_alloc_7448 ip_options_get_alloc 1 7448 NULL
118522 +SYSC_setgroups_7454 SYSC_setgroups 1 7454 NULL
118523 +rt2x00debug_read_queue_stats_7455 rt2x00debug_read_queue_stats 3 7455 NULL
118524 +l2tp_ip6_sendmsg_7461 l2tp_ip6_sendmsg 4 7461 NULL
118525 +garp_request_join_7471 garp_request_join 4 7471 NULL nohasharray
118526 +ReadHSCX_7471 ReadHSCX 0 7471 &garp_request_join_7471
118527 +snd_pcm_lib_read1_7491 snd_pcm_lib_read1 0-3 7491 NULL
118528 +ahash_instance_headroom_7509 ahash_instance_headroom 0 7509 NULL nohasharray
118529 +sdhci_alloc_host_7509 sdhci_alloc_host 2 7509 &ahash_instance_headroom_7509
118530 +array_zalloc_7519 array_zalloc 1-2 7519 NULL
118531 +ath10k_read_htt_stats_mask_7557 ath10k_read_htt_stats_mask 3 7557 NULL
118532 +smk_read_mapped_7562 smk_read_mapped 3 7562 NULL
118533 +netvsc_get_slots_7565 netvsc_get_slots 0 7565 NULL
118534 +cfs_cpt_num_estimate_7571 cfs_cpt_num_estimate 0 7571 NULL
118535 +groups_alloc_7614 groups_alloc 1 7614 NULL nohasharray
118536 +create_dir_7614 create_dir 0 7614 &groups_alloc_7614
118537 +_rtw_zmalloc_7636 _rtw_zmalloc 1 7636 NULL
118538 +fault_inject_write_7662 fault_inject_write 3 7662 NULL
118539 +acpi_ex_allocate_name_string_7685 acpi_ex_allocate_name_string 2-1 7685 NULL
118540 +acpi_ns_get_pathname_length_7699 acpi_ns_get_pathname_length 0 7699 NULL
118541 +dev_write_7708 dev_write 3 7708 NULL
118542 +pci_raw_set_power_state_7729 pci_raw_set_power_state 0 7729 NULL
118543 +vxge_device_register_7752 vxge_device_register 4 7752 NULL
118544 +iwl_dbgfs_bt_cmd_read_7770 iwl_dbgfs_bt_cmd_read 3 7770 NULL
118545 +alloc_candev_7776 alloc_candev 1-2 7776 NULL
118546 +__videobuf_read_start_7782 __videobuf_read_start 0 7782 NULL
118547 +dfs_global_file_read_7787 dfs_global_file_read 3 7787 NULL
118548 +bnx2_nvram_write_7790 bnx2_nvram_write 4-2 7790 NULL
118549 +diva_os_copy_from_user_7792 diva_os_copy_from_user 4 7792 NULL nohasharray
118550 +lustre_packed_msg_size_7792 lustre_packed_msg_size 0 7792 &diva_os_copy_from_user_7792
118551 +seq_buf_alloc_7828 seq_buf_alloc 1 7828 NULL
118552 +cfs_trace_dump_debug_buffer_usrstr_7861 cfs_trace_dump_debug_buffer_usrstr 2 7861 NULL
118553 +tipc_alloc_entry_7875 tipc_alloc_entry 2 7875 NULL
118554 +config_desc_7878 config_desc 0 7878 NULL
118555 +dvb_dmxdev_read_sec_7892 dvb_dmxdev_read_sec 4 7892 NULL
118556 +xfs_trans_get_efi_7898 xfs_trans_get_efi 2 7898 NULL
118557 +libfc_host_alloc_7917 libfc_host_alloc 2 7917 NULL
118558 +f_hidg_write_7932 f_hidg_write 3 7932 NULL
118559 +integrity_digsig_verify_7956 integrity_digsig_verify 3 7956 NULL
118560 +smk_write_load_self_7958 smk_write_load_self 3 7958 NULL
118561 +tt3650_ci_msg_locked_8013 tt3650_ci_msg_locked 4 8013 NULL
118562 +vcs_read_8017 vcs_read 3 8017 NULL
118563 +vhost_add_used_and_signal_n_8038 vhost_add_used_and_signal_n 4 8038 NULL
118564 +dgrp_mon_read_8065 dgrp_mon_read 3 8065 NULL
118565 +spi_write_then_read_8073 spi_write_then_read 5-3 8073 NULL
118566 +qla4xxx_post_ping_evt_work_8074 qla4xxx_post_ping_evt_work 4 8074 NULL
118567 +venus_lookup_8121 venus_lookup 4 8121 NULL
118568 +ieee80211_if_fmt_num_buffered_multicast_8127 ieee80211_if_fmt_num_buffered_multicast 3 8127 NULL
118569 +xfs_file_fallocate_8150 xfs_file_fallocate 3-4 8150 NULL
118570 +ufshcd_wait_for_dev_cmd_8168 ufshcd_wait_for_dev_cmd 0 8168 NULL
118571 +__sk_mem_schedule_8185 __sk_mem_schedule 2 8185 NULL
118572 +ieee80211_if_fmt_dot11MeshHoldingTimeout_8187 ieee80211_if_fmt_dot11MeshHoldingTimeout 3 8187 NULL
118573 +recent_mt_proc_write_8206 recent_mt_proc_write 3 8206 NULL
118574 +rt2x00debug_write_bbp_8212 rt2x00debug_write_bbp 3 8212 NULL
118575 +ad7879_spi_multi_read_8218 ad7879_spi_multi_read 3 8218 NULL
118576 +play_iframe_8219 play_iframe 3 8219 NULL
118577 +kvm_mmu_page_set_gfn_8225 kvm_mmu_page_set_gfn 2 8225 NULL
118578 +sctp_ssnmap_size_8228 sctp_ssnmap_size 0-1-2 8228 NULL
118579 +check_xattr_ref_inode_8244 check_xattr_ref_inode 0 8244 NULL
118580 +t3_init_l2t_8261 t3_init_l2t 1 8261 NULL
118581 +init_cdev_8274 init_cdev 1 8274 NULL
118582 +rproc_recovery_write_8281 rproc_recovery_write 3 8281 NULL
118583 +qib_decode_7220_err_8315 qib_decode_7220_err 3 8315 NULL
118584 +ipwireless_send_packet_8328 ipwireless_send_packet 4 8328 NULL
118585 +rtw_cfg80211_rx_action_8329 rtw_cfg80211_rx_action 3 8329 NULL
118586 +tracing_entries_read_8345 tracing_entries_read 3 8345 NULL
118587 +ieee80211_if_fmt_ht_opmode_8347 ieee80211_if_fmt_ht_opmode 3 8347 NULL
118588 +generic_write_sync_8358 generic_write_sync 0 8358 NULL
118589 +ping_getfrag_8360 ping_getfrag 4-3 8360 NULL
118590 +ath6kl_lrssi_roam_write_8362 ath6kl_lrssi_roam_write 3 8362 NULL
118591 +xdi_copy_from_user_8395 xdi_copy_from_user 4 8395 NULL
118592 +zd_rf_scnprint_id_8406 zd_rf_scnprint_id 0-3 8406 NULL
118593 +smk_write_change_rule_8411 smk_write_change_rule 3 8411 NULL nohasharray
118594 +uvc_v4l2_ioctl_8411 uvc_v4l2_ioctl 2 8411 &smk_write_change_rule_8411
118595 +roccat_common2_sysfs_read_8431 roccat_common2_sysfs_read 6 8431 NULL
118596 +afs_cell_lookup_8482 afs_cell_lookup 2 8482 NULL
118597 +fore200e_chunk_alloc_8501 fore200e_chunk_alloc 4-3 8501 NULL
118598 +batadv_tt_len_8502 batadv_tt_len 0-1 8502 NULL
118599 +dev_config_8506 dev_config 3 8506 NULL
118600 +ACL_to_cifs_posix_8509 ACL_to_cifs_posix 3 8509 NULL
118601 +nouveau_platform_device_create__8514 nouveau_platform_device_create_ 2 8514 NULL
118602 +opticon_process_data_packet_8524 opticon_process_data_packet 3 8524 NULL
118603 +user_on_off_8552 user_on_off 2 8552 NULL
118604 +profile_remove_8556 profile_remove 3 8556 NULL
118605 +cache_slow_downcall_8570 cache_slow_downcall 2 8570 NULL
118606 +isr_dma0_done_read_8574 isr_dma0_done_read 3 8574 NULL
118607 +tower_write_8580 tower_write 3 8580 NULL
118608 +cfs_cpt_number_8618 cfs_cpt_number 0 8618 NULL
118609 +shash_setkey_unaligned_8620 shash_setkey_unaligned 3 8620 NULL
118610 +it821x_firmware_command_8628 it821x_firmware_command 3 8628 NULL
118611 +scsi_dma_map_8632 scsi_dma_map 0 8632 NULL
118612 +fuse_send_write_pages_8636 fuse_send_write_pages 5-0 8636 NULL
118613 +mlx5_vzalloc_8663 mlx5_vzalloc 1 8663 NULL
118614 +dio_bio_alloc_8677 dio_bio_alloc 5 8677 NULL
118615 +lbs_bcnmiss_read_8678 lbs_bcnmiss_read 3 8678 NULL
118616 +bpf_prog_size_8685 bpf_prog_size 0 8685 NULL
118617 +rproc_trace_read_8686 rproc_trace_read 3 8686 NULL
118618 +skb_frag_size_8695 skb_frag_size 0 8695 NULL
118619 +arcfb_write_8702 arcfb_write 3 8702 NULL
118620 +i_size_read_8703 i_size_read 0 8703 NULL nohasharray
118621 +init_header_8703 init_header 0 8703 &i_size_read_8703
118622 +ufshcd_get_tr_ocs_8706 ufshcd_get_tr_ocs 0 8706 NULL
118623 +HDLC_irq_8709 HDLC_irq 2 8709 NULL
118624 +ctrl_out_8712 ctrl_out 3-5 8712 NULL
118625 +tracing_max_lat_write_8728 tracing_max_lat_write 3 8728 NULL
118626 +jffs2_acl_count_8729 jffs2_acl_count 0-1 8729 NULL
118627 +iov_iter_zero_8748 iov_iter_zero 1 8748 NULL
118628 +tx_tx_exch_expiry_read_8749 tx_tx_exch_expiry_read 3 8749 NULL
118629 +compound_order_8750 compound_order 0 8750 NULL
118630 +cfg80211_inform_bss_width_8754 cfg80211_inform_bss_width 10 8754 NULL
118631 +yurex_write_8761 yurex_write 3 8761 NULL
118632 +joydev_compat_ioctl_8765 joydev_compat_ioctl 2 8765 NULL
118633 +kstrtoint_from_user_8778 kstrtoint_from_user 2 8778 NULL
118634 +paging32_prefetch_gpte_8783 paging32_prefetch_gpte 4 8783 NULL
118635 +ext4_try_to_write_inline_data_8785 ext4_try_to_write_inline_data 4-3 8785 NULL
118636 +__bitmap_weight_8796 __bitmap_weight 0-2 8796 NULL
118637 +metronomefb_write_8823 metronomefb_write 3 8823 NULL
118638 +SyS_llistxattr_8824 SyS_llistxattr 3 8824 NULL
118639 +ll_xattr_cache_get_8829 ll_xattr_cache_get 0 8829 NULL
118640 +get_queue_depth_8833 get_queue_depth 0 8833 NULL
118641 +dvb_ringbuffer_pkt_next_8834 dvb_ringbuffer_pkt_next 0-2 8834 NULL
118642 +usb_ep_queue_8839 usb_ep_queue 0 8839 NULL
118643 +iwl_rx_packet_len_8854 iwl_rx_packet_len 0 8854 NULL
118644 +debug_debug1_read_8856 debug_debug1_read 3 8856 NULL
118645 +wa_nep_queue_8858 wa_nep_queue 2 8858 NULL
118646 +xgmac_reg_value_write_8860 xgmac_reg_value_write 3 8860 NULL
118647 +radeon_drm_ioctl_8875 radeon_drm_ioctl 2 8875 NULL
118648 +compressed_bio_size_8887 compressed_bio_size 0-2 8887 NULL
118649 +ab3100_get_set_reg_8890 ab3100_get_set_reg 3 8890 NULL nohasharray
118650 +tracing_max_lat_read_8890 tracing_max_lat_read 3 8890 &ab3100_get_set_reg_8890
118651 +sdio_max_byte_size_8907 sdio_max_byte_size 0 8907 NULL
118652 +sysfs_merge_group_8917 sysfs_merge_group 0 8917 NULL
118653 +write_file_ani_8918 write_file_ani 3 8918 NULL
118654 +layout_commit_8926 layout_commit 3 8926 NULL
118655 +cp2112_hid_get_8933 cp2112_hid_get 4 8933 NULL
118656 +adjust_priv_size_8935 adjust_priv_size 0-1 8935 NULL
118657 +driver_stats_read_8944 driver_stats_read 3 8944 NULL
118658 +read_file_tgt_stats_8959 read_file_tgt_stats 3 8959 NULL
118659 +usb_allocate_stream_buffers_8964 usb_allocate_stream_buffers 3 8964 NULL
118660 +qib_qsfp_dump_8966 qib_qsfp_dump 0-3 8966 NULL
118661 +venus_mkdir_8967 venus_mkdir 4 8967 NULL
118662 +seq_open_net_8968 seq_open_net 4 8968 NULL nohasharray
118663 +vol_cdev_read_8968 vol_cdev_read 3 8968 &seq_open_net_8968
118664 +bio_integrity_get_tag_8974 bio_integrity_get_tag 3 8974 NULL
118665 +sony_register_touchpad_8981 sony_register_touchpad 2 8981 NULL
118666 +jbd2_journal_blocks_per_page_9004 jbd2_journal_blocks_per_page 0 9004 NULL
118667 +il_dbgfs_clear_ucode_stats_write_9016 il_dbgfs_clear_ucode_stats_write 3 9016 NULL
118668 +snd_emu10k1_ptr_read_9026 snd_emu10k1_ptr_read 0-2 9026 NULL
118669 +fd_ioctl_9028 fd_ioctl 3 9028 NULL
118670 +nla_put_9042 nla_put 3 9042 NULL
118671 +sta_tx_latency_stat_header_9050 sta_tx_latency_stat_header 0-3-4 9050 NULL
118672 +snd_emu10k1_synth_copy_from_user_9061 snd_emu10k1_synth_copy_from_user 3-5 9061 NULL
118673 +snd_gus_dram_peek_9062 snd_gus_dram_peek 4 9062 NULL
118674 +fib_info_hash_alloc_9075 fib_info_hash_alloc 1 9075 NULL
118675 +create_queues_9088 create_queues 2-3 9088 NULL
118676 +nvkm_output_create__9091 nvkm_output_create_ 6 9091 NULL
118677 +ftdi_prepare_write_buffer_9093 ftdi_prepare_write_buffer 3 9093 NULL
118678 +adxl34x_spi_read_block_9108 adxl34x_spi_read_block 3 9108 NULL
118679 +gfn_to_rmap_9110 gfn_to_rmap 3-2 9110 NULL nohasharray
118680 +caif_stream_sendmsg_9110 caif_stream_sendmsg 4 9110 &gfn_to_rmap_9110
118681 +pmcraid_change_queue_depth_9116 pmcraid_change_queue_depth 2 9116 NULL
118682 +vb2_dma_sg_alloc_9157 vb2_dma_sg_alloc 2 9157 NULL
118683 +dbg_command_buf_9165 dbg_command_buf 2 9165 NULL
118684 +isr_irqs_read_9181 isr_irqs_read 3 9181 NULL
118685 +count_leading_zeros_9183 count_leading_zeros 0 9183 NULL
118686 +altera_swap_ir_9194 altera_swap_ir 2 9194 NULL
118687 +snd_m3_get_pointer_9206 snd_m3_get_pointer 0 9206 NULL
118688 +iwl_dbgfs_frame_stats_read_9211 iwl_dbgfs_frame_stats_read 3 9211 NULL
118689 +card_send_command_9215 card_send_command 3 9215 NULL
118690 +virtqueue_add_9217 virtqueue_add 4-5 9217 NULL
118691 +tx_tx_prepared_descs_read_9221 tx_tx_prepared_descs_read 3 9221 NULL
118692 +l2cap_create_connless_pdu_9222 l2cap_create_connless_pdu 3 9222 NULL
118693 +sctp_getsockopt_delayed_ack_9232 sctp_getsockopt_delayed_ack 2 9232 NULL
118694 +hfsplus_bnode_read_u16_9262 hfsplus_bnode_read_u16 0 9262 NULL
118695 +hdpvr_read_9273 hdpvr_read 3 9273 NULL
118696 +flakey_status_9274 flakey_status 5 9274 NULL
118697 +iwl_dbgfs_stations_read_9309 iwl_dbgfs_stations_read 3 9309 NULL
118698 +ceph_sync_setxattr_9310 ceph_sync_setxattr 4 9310 NULL
118699 +__blockdev_direct_IO_9321 __blockdev_direct_IO 0-6 9321 NULL
118700 +ieee80211_if_fmt_txpower_9334 ieee80211_if_fmt_txpower 3 9334 NULL
118701 +nvme_trans_fmt_get_parm_header_9340 nvme_trans_fmt_get_parm_header 2 9340 NULL
118702 +ocfs2_orphan_for_truncate_9342 ocfs2_orphan_for_truncate 4 9342 NULL
118703 +ll_direct_rw_pages_9361 ll_direct_rw_pages 0 9361 NULL
118704 +sta_beacon_loss_count_read_9370 sta_beacon_loss_count_read 3 9370 NULL
118705 +virtqueue_add_outbuf_9395 virtqueue_add_outbuf 3 9395 NULL
118706 +read_9397 read 3 9397 NULL
118707 +hash_ipportip4_expire_9415 hash_ipportip4_expire 4 9415 NULL
118708 +btrfs_drop_extents_9423 btrfs_drop_extents 4 9423 NULL
118709 +bm_realloc_pages_9431 bm_realloc_pages 2 9431 NULL
118710 +ffs_ep0_write_9438 ffs_ep0_write 3 9438 NULL
118711 +ieee80211_if_fmt_fwded_unicast_9454 ieee80211_if_fmt_fwded_unicast 3 9454 NULL
118712 +get_registers_9470 get_registers 4 9470 NULL nohasharray
118713 +agp_generic_alloc_user_9470 agp_generic_alloc_user 1 9470 &get_registers_9470
118714 +crypt_status_9492 crypt_status 5 9492 NULL
118715 +lbs_threshold_write_9502 lbs_threshold_write 5 9502 NULL
118716 +lp_write_9511 lp_write 3 9511 NULL
118717 +mext_calc_swap_extents_9517 mext_calc_swap_extents 4 9517 NULL
118718 +scsi_tgt_kspace_exec_9522 scsi_tgt_kspace_exec 8 9522 NULL
118719 +ll_max_read_ahead_whole_mb_seq_write_9528 ll_max_read_ahead_whole_mb_seq_write 3 9528 NULL
118720 +read_file_dma_9530 read_file_dma 3 9530 NULL
118721 +iwl_dbgfs_bf_params_read_9542 iwl_dbgfs_bf_params_read 3 9542 NULL
118722 +il_dbgfs_missed_beacon_write_9546 il_dbgfs_missed_beacon_write 3 9546 NULL
118723 +compat_SyS_pwritev64_9548 compat_SyS_pwritev64 3 9548 NULL
118724 +fw_node_create_9559 fw_node_create 2 9559 NULL
118725 +kobj_map_9566 kobj_map 2-3 9566 NULL
118726 +f2fs_read_data_pages_9574 f2fs_read_data_pages 4 9574 NULL
118727 +snd_emu10k1_fx8010_read_9605 snd_emu10k1_fx8010_read 5-6 9605 NULL
118728 +lov_ost_pool_add_9626 lov_ost_pool_add 3 9626 NULL
118729 +saa7164_buffer_alloc_user_9627 saa7164_buffer_alloc_user 2 9627 NULL
118730 +ceph_copy_user_to_page_vector_9635 ceph_copy_user_to_page_vector 4-3 9635 NULL
118731 +acpi_ex_insert_into_field_9638 acpi_ex_insert_into_field 3 9638 NULL
118732 +ll_checksum_seq_write_9648 ll_checksum_seq_write 3 9648 NULL
118733 +ocfs2_xattr_get_rec_9652 ocfs2_xattr_get_rec 0 9652 NULL
118734 +queue_received_packet_9657 queue_received_packet 5 9657 NULL
118735 +tipc_port_mcast_xmit_9663 tipc_port_mcast_xmit 4 9663 NULL
118736 +snd_opl4_mem_proc_write_9670 snd_opl4_mem_proc_write 5 9670 NULL
118737 +dns_query_9676 dns_query 3 9676 NULL
118738 +qib_7322_handle_hwerrors_9678 qib_7322_handle_hwerrors 3 9678 NULL
118739 +__erst_read_from_storage_9690 __erst_read_from_storage 0 9690 NULL
118740 +lowpan_control_write_9699 lowpan_control_write 3 9699 NULL
118741 +vx_transfer_end_9701 vx_transfer_end 0 9701 NULL
118742 +fuse_iter_npages_9705 fuse_iter_npages 0 9705 NULL nohasharray
118743 +ieee80211_if_read_aid_9705 ieee80211_if_read_aid 3 9705 &fuse_iter_npages_9705
118744 +cfg80211_tx_mlme_mgmt_9715 cfg80211_tx_mlme_mgmt 3 9715 NULL
118745 +parse_uac2_sample_rate_range_9718 parse_uac2_sample_rate_range 0 9718 NULL
118746 +btrfs_stack_file_extent_num_bytes_9720 btrfs_stack_file_extent_num_bytes 0 9720 NULL
118747 +SYSC_ppoll_9721 SYSC_ppoll 2 9721 NULL
118748 +nla_get_u8_9736 nla_get_u8 0 9736 NULL
118749 +ieee80211_if_fmt_num_mcast_sta_9738 ieee80211_if_fmt_num_mcast_sta 3 9738 NULL
118750 +ddb_input_read_9743 ddb_input_read 3-0 9743 NULL
118751 +regmap_multi_reg_write_bypassed_9751 regmap_multi_reg_write_bypassed 3 9751 NULL nohasharray
118752 +sta_last_ack_signal_read_9751 sta_last_ack_signal_read 3 9751 &regmap_multi_reg_write_bypassed_9751
118753 +btrfs_super_root_9763 btrfs_super_root 0 9763 NULL
118754 +copy_page_from_iter_bvec_9767 copy_page_from_iter_bvec 0-3 9767 NULL
118755 +__blk_queue_init_tags_9778 __blk_queue_init_tags 2 9778 NULL
118756 +kvm_age_hva_9795 kvm_age_hva 2 9795 NULL
118757 +bio_alloc_map_data_9798 bio_alloc_map_data 1 9798 NULL
118758 +ieee80211_if_read_state_9813 ieee80211_if_read_state 3 9813 NULL nohasharray
118759 +udpv6_recvmsg_9813 udpv6_recvmsg 4 9813 &ieee80211_if_read_state_9813
118760 +compat_SyS_vmsplice_9828 compat_SyS_vmsplice 3 9828 NULL
118761 +pmcraid_alloc_sglist_9864 pmcraid_alloc_sglist 1 9864 NULL
118762 +f1x_translate_sysaddr_to_cs_9868 f1x_translate_sysaddr_to_cs 2 9868 NULL
118763 +wil_read_file_ioblob_9878 wil_read_file_ioblob 3 9878 NULL
118764 +bm_register_write_9893 bm_register_write 3 9893 NULL nohasharray
118765 +snd_midi_event_new_9893 snd_midi_event_new 1 9893 &bm_register_write_9893
118766 +snd_gf1_pcm_playback_copy_9895 snd_gf1_pcm_playback_copy 3-5 9895 NULL
118767 +nonpaging_page_fault_9908 nonpaging_page_fault 2 9908 NULL
118768 +iwl_dbgfs_prph_reg_read_9928 iwl_dbgfs_prph_reg_read 3 9928 NULL
118769 +root_nfs_parse_options_9937 root_nfs_parse_options 3 9937 NULL
118770 +pstore_ftrace_knob_read_9947 pstore_ftrace_knob_read 3 9947 NULL
118771 +read_file_misc_9948 read_file_misc 3 9948 NULL
118772 +csum_partial_copy_fromiovecend_9957 csum_partial_copy_fromiovecend 3-4 9957 NULL
118773 +SyS_gethostname_9964 SyS_gethostname 2 9964 NULL
118774 +get_free_serial_index_9969 get_free_serial_index 0 9969 NULL
118775 +btrfs_add_link_9973 btrfs_add_link 5 9973 NULL
118776 +SYSC_move_pages_9986 SYSC_move_pages 2 9986 NULL
118777 +ceph_oloc_oid_to_pg_10003 ceph_oloc_oid_to_pg 0 10003 NULL
118778 +aat2870_dump_reg_10019 aat2870_dump_reg 0 10019 NULL
118779 +asymmetric_key_generate_id_10064 asymmetric_key_generate_id 2-4 10064 NULL
118780 +ieee80211_set_probe_resp_10077 ieee80211_set_probe_resp 3 10077 NULL
118781 +get_elem_size_10110 get_elem_size 0-2 10110 NULL nohasharray
118782 +dynamic_ps_timeout_read_10110 dynamic_ps_timeout_read 3 10110 &get_elem_size_10110
118783 +gfs2_meta_read_10112 gfs2_meta_read 0 10112 NULL
118784 +SyS_migrate_pages_10134 SyS_migrate_pages 2 10134 NULL
118785 +aes_decrypt_packets_read_10155 aes_decrypt_packets_read 3 10155 NULL
118786 +rx_out_of_mem_read_10157 rx_out_of_mem_read 3 10157 NULL nohasharray
118787 +tracing_nsecs_write_10157 tracing_nsecs_write 3 10157 &rx_out_of_mem_read_10157
118788 +hidg_alloc_ep_req_10159 hidg_alloc_ep_req 2 10159 NULL
118789 +asd_store_update_bios_10165 asd_store_update_bios 4 10165 NULL
118790 +kstrtol_from_user_10168 kstrtol_from_user 2 10168 NULL
118791 +proc_pid_attr_read_10173 proc_pid_attr_read 3 10173 NULL
118792 +jffs2_user_setxattr_10182 jffs2_user_setxattr 4 10182 NULL
118793 +hdlc_rpr_irq_10240 hdlc_rpr_irq 2 10240 NULL
118794 +lmv_hsm_req_count_10245 lmv_hsm_req_count 0 10245 NULL
118795 +cciss_proc_write_10259 cciss_proc_write 3 10259 NULL
118796 +__qlcnic_pci_sriov_enable_10281 __qlcnic_pci_sriov_enable 2 10281 NULL
118797 +snd_rme9652_capture_copy_10287 snd_rme9652_capture_copy 5 10287 NULL
118798 +nvif_object_new_10300 nvif_object_new 5 10300 NULL
118799 +read_emulate_10310 read_emulate 2-4 10310 NULL
118800 +read_file_spectral_count_10320 read_file_spectral_count 3 10320 NULL
118801 +compat_SyS_writev_10327 compat_SyS_writev 3 10327 NULL
118802 +tun_sendmsg_10337 tun_sendmsg 4 10337 NULL
118803 +ufx_alloc_urb_list_10349 ufx_alloc_urb_list 3 10349 NULL
118804 +whci_add_cap_10350 whci_add_cap 0 10350 NULL
118805 +dbAllocAny_10354 dbAllocAny 0 10354 NULL
118806 +ath6kl_listen_int_read_10355 ath6kl_listen_int_read 3 10355 NULL
118807 +sta_ht_capa_read_10366 sta_ht_capa_read 3 10366 NULL
118808 +ecryptfs_decode_and_decrypt_filename_10379 ecryptfs_decode_and_decrypt_filename 5 10379 NULL
118809 +do_compat_pselect_10398 do_compat_pselect 1 10398 NULL
118810 +fwtty_rx_10434 fwtty_rx 3 10434 NULL
118811 +event_phy_transmit_error_read_10471 event_phy_transmit_error_read 3 10471 NULL
118812 +hash_ipportip6_expire_10478 hash_ipportip6_expire 4 10478 NULL
118813 +nouveau_pwr_create__10483 nouveau_pwr_create_ 4 10483 NULL
118814 +ext4_itable_unused_count_10501 ext4_itable_unused_count 0 10501 NULL
118815 +qib_alloc_fast_reg_page_list_10507 qib_alloc_fast_reg_page_list 2 10507 NULL
118816 +sel_write_disable_10511 sel_write_disable 3 10511 NULL
118817 +osd_req_write_sg_kern_10514 osd_req_write_sg_kern 5 10514 NULL
118818 +rds_message_alloc_10517 rds_message_alloc 1 10517 NULL
118819 +qlcnic_pci_sriov_enable_10519 qlcnic_pci_sriov_enable 2 10519 NULL
118820 +kstrtouint_from_user_10536 kstrtouint_from_user 2 10536 NULL nohasharray
118821 +snd_pcm_lib_read_10536 snd_pcm_lib_read 0-3 10536 &kstrtouint_from_user_10536
118822 +ext4_write_begin_10576 ext4_write_begin 3-4 10576 NULL
118823 +scrub_remap_extent_10588 scrub_remap_extent 2 10588 NULL
118824 +otp_read_10594 otp_read 2-4-5 10594 NULL
118825 +supply_map_read_file_10608 supply_map_read_file 3 10608 NULL
118826 +ima_show_htable_violations_10619 ima_show_htable_violations 3 10619 NULL
118827 +fq_alloc_node_10633 fq_alloc_node 1 10633 NULL
118828 +nfs_idmap_lookup_id_10660 nfs_idmap_lookup_id 2 10660 NULL
118829 +efx_max_tx_len_10662 efx_max_tx_len 0-2 10662 NULL
118830 +parport_write_10669 parport_write 0 10669 NULL
118831 +edge_write_10692 edge_write 4 10692 NULL
118832 +selinux_inode_setxattr_10708 selinux_inode_setxattr 4 10708 NULL nohasharray
118833 +inl_10708 inl 0 10708 &selinux_inode_setxattr_10708
118834 +pvr2_ioread_read_10720 pvr2_ioread_read 3 10720 NULL nohasharray
118835 +shash_async_setkey_10720 shash_async_setkey 3 10720 &pvr2_ioread_read_10720
118836 +spi_sync_10731 spi_sync 0 10731 NULL
118837 +sctp_getsockopt_maxseg_10737 sctp_getsockopt_maxseg 2 10737 NULL nohasharray
118838 +apu_get_register_10737 apu_get_register 0 10737 &sctp_getsockopt_maxseg_10737
118839 +SyS_io_getevents_10756 SyS_io_getevents 3 10756 NULL
118840 +vhost_add_used_n_10760 vhost_add_used_n 3 10760 NULL
118841 +rd_build_prot_space_10761 rd_build_prot_space 2-3 10761 NULL
118842 +kvm_read_guest_atomic_10765 kvm_read_guest_atomic 4 10765 NULL
118843 +__qp_memcpy_to_queue_10779 __qp_memcpy_to_queue 2-4 10779 NULL
118844 +ttm_dma_page_pool_free_10796 ttm_dma_page_pool_free 2-0 10796 NULL
118845 +diva_set_trace_filter_10820 diva_set_trace_filter 0-1 10820 NULL
118846 +lbs_sleepparams_read_10840 lbs_sleepparams_read 3 10840 NULL
118847 +ext4_direct_IO_10843 ext4_direct_IO 4 10843 NULL
118848 +ida_get_new_above_10853 ida_get_new_above 0 10853 NULL
118849 +fuse_conn_max_background_read_10855 fuse_conn_max_background_read 3 10855 NULL
118850 +snd_pcm_oss_write1_10872 snd_pcm_oss_write1 3 10872 NULL
118851 +wiidebug_drm_write_10879 wiidebug_drm_write 3 10879 NULL
118852 +get_scq_10897 get_scq 2 10897 NULL
118853 +tifm_alloc_adapter_10903 tifm_alloc_adapter 1 10903 NULL
118854 +lprocfs_wr_atomic_10912 lprocfs_wr_atomic 3 10912 NULL
118855 +__copy_from_user_10918 __copy_from_user 0-3 10918 NULL
118856 +kobject_add_10919 kobject_add 0 10919 NULL
118857 +ar9003_dump_modal_eeprom_10959 ar9003_dump_modal_eeprom 3-2-0 10959 NULL
118858 +ci_port_test_write_10962 ci_port_test_write 3 10962 NULL
118859 +bm_entry_read_10976 bm_entry_read 3 10976 NULL
118860 +sched_autogroup_write_10984 sched_autogroup_write 3 10984 NULL
118861 +xfrm_hash_alloc_10997 xfrm_hash_alloc 1 10997 NULL
118862 +rx_filter_accum_arp_pend_requests_read_11003 rx_filter_accum_arp_pend_requests_read 3 11003 NULL
118863 +SetLineNumber_11023 SetLineNumber 0 11023 NULL
118864 +nouveau_gpio_create__11048 nouveau_gpio_create_ 4 11048 NULL
118865 +tda10048_writeregbulk_11050 tda10048_writeregbulk 4 11050 NULL
118866 +insert_inline_extent_backref_11063 insert_inline_extent_backref 8 11063 NULL nohasharray
118867 +qlcnic_83xx_calculate_msix_vector_11063 qlcnic_83xx_calculate_msix_vector 0 11063 &insert_inline_extent_backref_11063
118868 +xfs_collapse_file_space_11075 xfs_collapse_file_space 2-3 11075 NULL
118869 +tcp_send_mss_11079 tcp_send_mss 0 11079 NULL
118870 +count_argc_11083 count_argc 0 11083 NULL
118871 +kvm_write_guest_cached_11106 kvm_write_guest_cached 4 11106 NULL
118872 +tw_change_queue_depth_11116 tw_change_queue_depth 2 11116 NULL
118873 +tc90522_master_xfer_11119 tc90522_master_xfer 3 11119 NULL
118874 +page_offset_11120 page_offset 0 11120 NULL
118875 +tracing_buffers_read_11124 tracing_buffers_read 3 11124 NULL
118876 +alloc_alien_cache_11127 alloc_alien_cache 2 11127 NULL
118877 +snd_gf1_pcm_playback_silence_11172 snd_gf1_pcm_playback_silence 3-4 11172 NULL
118878 +copy_from_iter_iovec_11196 copy_from_iter_iovec 2 11196 NULL
118879 +il_dbgfs_rx_queue_read_11221 il_dbgfs_rx_queue_read 3 11221 NULL
118880 +comedi_alloc_spriv_11234 comedi_alloc_spriv 2 11234 NULL
118881 +of_irq_count_11253 of_irq_count 0 11253 NULL
118882 +hugetlbfs_read_11268 hugetlbfs_read 3 11268 NULL
118883 +ath6kl_power_params_write_11274 ath6kl_power_params_write 3 11274 NULL
118884 +SYSC_getrandom_11294 SYSC_getrandom 2 11294 NULL
118885 +tipc_msg_build_11304 tipc_msg_build 3-4-5 11304 NULL
118886 +__proc_daemon_file_11305 __proc_daemon_file 5 11305 NULL
118887 +ext4_xattr_check_names_11314 ext4_xattr_check_names 0 11314 NULL
118888 +bcache_dev_sectors_dirty_add_11315 bcache_dev_sectors_dirty_add 3-4 11315 NULL
118889 +sk_filter_size_11316 sk_filter_size 0 11316 NULL nohasharray
118890 +tcp_send_rcvq_11316 tcp_send_rcvq 3 11316 &sk_filter_size_11316
118891 +construct_key_11329 construct_key 3 11329 NULL nohasharray
118892 +__kfifo_out_peek_11329 __kfifo_out_peek 0-3 11329 &construct_key_11329
118893 +next_segment_11330 next_segment 0-2-1 11330 NULL
118894 +persistent_ram_buffer_map_11332 persistent_ram_buffer_map 1-2 11332 NULL
118895 +ext4_get_inline_size_11349 ext4_get_inline_size 0 11349 NULL
118896 +sel_write_create_11353 sel_write_create 3 11353 NULL nohasharray
118897 +nl80211_send_mgmt_11353 nl80211_send_mgmt 7 11353 &sel_write_create_11353
118898 +of_get_available_child_count_11361 of_get_available_child_count 0 11361 NULL
118899 +qib_get_base_info_11369 qib_get_base_info 3 11369 NULL
118900 +tcf_register_action_11381 tcf_register_action 2 11381 NULL nohasharray
118901 +nft_value_dump_11381 nft_value_dump 3 11381 &tcf_register_action_11381
118902 +isku_sysfs_read_keys_capslock_11392 isku_sysfs_read_keys_capslock 6 11392 NULL
118903 +dev_irnet_write_11398 dev_irnet_write 3 11398 NULL
118904 +lprocfs_wr_evict_client_11402 lprocfs_wr_evict_client 3 11402 NULL
118905 +___alloc_bootmem_11410 ___alloc_bootmem 1 11410 NULL
118906 +str_to_user_11411 str_to_user 2 11411 NULL
118907 +mem_fw_gen_free_mem_blks_read_11413 mem_fw_gen_free_mem_blks_read 3 11413 NULL
118908 +ath6kl_wmi_test_rx_11414 ath6kl_wmi_test_rx 3 11414 NULL
118909 +adis16480_show_firmware_revision_11417 adis16480_show_firmware_revision 3 11417 NULL
118910 +trace_options_read_11419 trace_options_read 3 11419 NULL
118911 +i40e_dbg_command_write_11421 i40e_dbg_command_write 3 11421 NULL
118912 +bttv_read_11432 bttv_read 3 11432 NULL
118913 +create_zero_mask_11453 create_zero_mask 0-1 11453 NULL
118914 +ufshcd_change_queue_depth_11477 ufshcd_change_queue_depth 2 11477 NULL
118915 +sca3000_read_first_n_hw_rb_11479 sca3000_read_first_n_hw_rb 2 11479 NULL nohasharray
118916 +pci_set_power_state_11479 pci_set_power_state 0 11479 &sca3000_read_first_n_hw_rb_11479
118917 +sd_do_mode_sense_11507 sd_do_mode_sense 5 11507 NULL
118918 +kmem_zalloc_11510 kmem_zalloc 1 11510 NULL
118919 +ll_direct_IO_26_seg_11518 ll_direct_IO_26_seg 0 11518 NULL
118920 +twl_direction_in_11527 twl_direction_in 2 11527 NULL
118921 +skb_cow_data_11565 skb_cow_data 0 11565 NULL
118922 +lpfc_idiag_ctlacc_write_11576 lpfc_idiag_ctlacc_write 3 11576 NULL
118923 +oprofilefs_ulong_to_user_11582 oprofilefs_ulong_to_user 3 11582 NULL
118924 +batadv_iv_ogm_orig_add_if_11586 batadv_iv_ogm_orig_add_if 2 11586 NULL
118925 +snd_pcm_action_11589 snd_pcm_action 0 11589 NULL
118926 +fw_device_op_ioctl_11595 fw_device_op_ioctl 2 11595 NULL
118927 +batadv_iv_ogm_orig_del_if_11604 batadv_iv_ogm_orig_del_if 2 11604 NULL
118928 +SYSC_mq_timedsend_11607 SYSC_mq_timedsend 3 11607 NULL
118929 +C_SYSC_migrate_pages_11618 C_SYSC_migrate_pages 2 11618 NULL
118930 +sisusb_send_bridge_packet_11649 sisusb_send_bridge_packet 2 11649 NULL
118931 +nla_total_size_11658 nla_total_size 0-1 11658 NULL
118932 +srpc_create_client_rpc_11664 srpc_create_client_rpc 3 11664 NULL nohasharray
118933 +slab_ksize_11664 slab_ksize 0 11664 &srpc_create_client_rpc_11664
118934 +ide_queue_pc_tail_11673 ide_queue_pc_tail 5 11673 NULL
118935 +compat_SyS_msgsnd_11675 compat_SyS_msgsnd 3 11675 NULL
118936 +btrfs_alloc_delayed_item_11678 btrfs_alloc_delayed_item 1 11678 NULL
118937 +sctp_setsockopt_hmac_ident_11687 sctp_setsockopt_hmac_ident 3 11687 NULL
118938 +split_11691 split 2 11691 NULL
118939 +compat_SyS_keyctl_11695 compat_SyS_keyctl 4 11695 NULL nohasharray
118940 +snd_ctl_elem_user_tlv_11695 snd_ctl_elem_user_tlv 3 11695 &compat_SyS_keyctl_11695
118941 +blk_rq_cur_bytes_11723 blk_rq_cur_bytes 0 11723 NULL
118942 +dm_bio_prison_create_11749 dm_bio_prison_create 1 11749 NULL
118943 +iwl_dbgfs_qos_read_11753 iwl_dbgfs_qos_read 3 11753 NULL
118944 +ieee80211_get_num_supported_channels_11768 ieee80211_get_num_supported_channels 0 11768 NULL
118945 +tipc_sendmsg_11769 tipc_sendmsg 4 11769 NULL
118946 +ps_pspoll_timeouts_read_11776 ps_pspoll_timeouts_read 3 11776 NULL
118947 +btrfs_key_blockptr_11786 btrfs_key_blockptr 0 11786 NULL
118948 +pcpu_fc_alloc_11818 pcpu_fc_alloc 2 11818 NULL
118949 +umc_device_register_11824 umc_device_register 0 11824 NULL
118950 +zerocopy_sg_from_iovec_11828 zerocopy_sg_from_iovec 3 11828 NULL
118951 +sctp_setsockopt_maxseg_11829 sctp_setsockopt_maxseg 3 11829 NULL
118952 +rts51x_read_status_11830 rts51x_read_status 4 11830 NULL
118953 +unix_stream_connect_11844 unix_stream_connect 3 11844 NULL
118954 +pci_enable_msix_range_11852 pci_enable_msix_range 0-4 11852 NULL
118955 +ecryptfs_copy_filename_11868 ecryptfs_copy_filename 4 11868 NULL
118956 +l2cap_chan_send_11878 l2cap_chan_send 3 11878 NULL
118957 +ieee80211_rx_bss_info_11887 ieee80211_rx_bss_info 3 11887 NULL
118958 +mdc_rename_11899 mdc_rename 4-6 11899 NULL
118959 +xstateregs_get_11906 xstateregs_get 4 11906 NULL
118960 +ti_write_11916 ti_write 4 11916 NULL
118961 +fs_devrw_entry_11924 fs_devrw_entry 3 11924 NULL
118962 +bitmap_remap_11929 bitmap_remap 5 11929 NULL
118963 +atomic_sub_return_11939 atomic_sub_return 0-1 11939 NULL
118964 +r1_sync_page_io_11963 r1_sync_page_io 3 11963 NULL
118965 +f1x_swap_interleaved_region_11970 f1x_swap_interleaved_region 0-2 11970 NULL
118966 +read_and_add_raw_conns_11987 read_and_add_raw_conns 0 11987 NULL
118967 +ftdi_elan_total_command_size_12045 ftdi_elan_total_command_size 0 12045 NULL
118968 +ieee80211_if_read_user_power_level_12050 ieee80211_if_read_user_power_level 3 12050 NULL
118969 +il4965_ucode_tx_stats_read_12064 il4965_ucode_tx_stats_read 3 12064 NULL
118970 +ptc_proc_write_12076 ptc_proc_write 3 12076 NULL
118971 +batadv_tt_global_size_mod_12085 batadv_tt_global_size_mod 3 12085 NULL
118972 +rtw_malloc2d_12102 rtw_malloc2d 1-2-3 12102 NULL
118973 +alloc_bulk_urbs_generic_12127 alloc_bulk_urbs_generic 5 12127 NULL
118974 +set_powered_12129 set_powered 4 12129 NULL
118975 +ramoops_init_prz_12134 ramoops_init_prz 5 12134 NULL
118976 +xfs_handle_to_dentry_12135 xfs_handle_to_dentry 3 12135 NULL
118977 +rawv6_seticmpfilter_12137 rawv6_seticmpfilter 5 12137 NULL
118978 +rawsock_recvmsg_12144 rawsock_recvmsg 4 12144 NULL
118979 +btmrvl_sdio_host_to_card_12152 btmrvl_sdio_host_to_card 3 12152 NULL
118980 +vmbus_open_12154 vmbus_open 2-3 12154 NULL
118981 +fnic_reset_stats_write_12177 fnic_reset_stats_write 3 12177 NULL
118982 +LNetEQAlloc_12178 LNetEQAlloc 1 12178 NULL
118983 +ddp_make_gl_12179 ddp_make_gl 1 12179 NULL
118984 +compat_do_arpt_set_ctl_12184 compat_do_arpt_set_ctl 4 12184 NULL
118985 +ip_generic_getfrag_12187 ip_generic_getfrag 3-4 12187 NULL
118986 +snd_pcm_kernel_ioctl_12219 snd_pcm_kernel_ioctl 0 12219 NULL
118987 +fuse_get_req_12221 fuse_get_req 2 12221 NULL nohasharray
118988 +aat2870_reg_read_file_12221 aat2870_reg_read_file 3 12221 &fuse_get_req_12221
118989 +__alloc_bootmem_low_nopanic_12235 __alloc_bootmem_low_nopanic 1 12235 NULL
118990 +usnic_ib_qp_grp_dump_rows_12239 usnic_ib_qp_grp_dump_rows 3 12239 NULL
118991 +ib_uverbs_unmarshall_recv_12251 ib_uverbs_unmarshall_recv 5 12251 NULL
118992 +shash_compat_setkey_12267 shash_compat_setkey 3 12267 NULL
118993 +add_sctp_bind_addr_12269 add_sctp_bind_addr 3 12269 NULL
118994 +note_last_dentry_12285 note_last_dentry 3 12285 NULL
118995 +roundup_to_multiple_of_64_12288 roundup_to_multiple_of_64 0-1 12288 NULL nohasharray
118996 +il_dbgfs_nvm_read_12288 il_dbgfs_nvm_read 3 12288 &roundup_to_multiple_of_64_12288
118997 +bt_sock_recvmsg_12316 bt_sock_recvmsg 4 12316 NULL
118998 +usnic_transport_sock_to_str_12322 usnic_transport_sock_to_str 2-0 12322 NULL
118999 +ufshcd_copy_query_response_12324 ufshcd_copy_query_response 0 12324 NULL
119000 +pcbit_writecmd_12332 pcbit_writecmd 2 12332 NULL
119001 +mptctl_ioctl_12355 mptctl_ioctl 2 12355 NULL
119002 +__nf_ct_ext_add_length_12364 __nf_ct_ext_add_length 3 12364 NULL
119003 +xfs_iext_inline_to_direct_12384 xfs_iext_inline_to_direct 2 12384 NULL
119004 +write_file_dump_12391 write_file_dump 3 12391 NULL nohasharray
119005 +btrfs_file_extent_ram_bytes_12391 btrfs_file_extent_ram_bytes 0 12391 &write_file_dump_12391 nohasharray
119006 +populate_dir_12391 populate_dir 0 12391 &btrfs_file_extent_ram_bytes_12391
119007 +hbucket_elem_add_12416 hbucket_elem_add 3 12416 NULL
119008 +ieee80211_if_read_num_mcast_sta_12419 ieee80211_if_read_num_mcast_sta 3 12419 NULL
119009 +cfs_array_alloc_12441 cfs_array_alloc 1-2 12441 NULL
119010 +skb_do_copy_data_nocache_12465 skb_do_copy_data_nocache 5 12465 NULL
119011 +x25_sendmsg_12487 x25_sendmsg 4 12487 NULL
119012 +fnic_trace_ctrl_read_12497 fnic_trace_ctrl_read 3 12497 NULL
119013 +__ceph_osdc_start_request_12502 __ceph_osdc_start_request 0 12502 NULL
119014 +qib_alloc_fast_reg_mr_12526 qib_alloc_fast_reg_mr 2 12526 NULL
119015 +nvkm_event_init_12565 nvkm_event_init 3-2 12565 NULL
119016 +hvc_alloc_12579 hvc_alloc 4 12579 NULL
119017 +pcpu_extend_area_map_12589 pcpu_extend_area_map 2 12589 NULL
119018 +_iwl_dbgfs_prph_reg_write_12597 _iwl_dbgfs_prph_reg_write 3 12597 NULL
119019 +tlbflush_write_file_12598 tlbflush_write_file 3 12598 NULL
119020 +vhci_put_user_12604 vhci_put_user 4 12604 NULL
119021 +sdhci_pltfm_init_12627 sdhci_pltfm_init 3 12627 NULL
119022 +pwr_rcvd_awake_bcns_cnt_read_12632 pwr_rcvd_awake_bcns_cnt_read 3 12632 NULL
119023 +pn_sendmsg_12640 pn_sendmsg 4 12640 NULL
119024 +dwc3_link_state_write_12641 dwc3_link_state_write 3 12641 NULL
119025 +nr_recvmsg_12649 nr_recvmsg 4 12649 NULL
119026 +rtw_android_get_link_speed_12655 rtw_android_get_link_speed 0 12655 NULL
119027 +ocfs2_read_block_12659 ocfs2_read_block 0 12659 NULL
119028 +lustre_pack_request_v2_12665 lustre_pack_request_v2 2 12665 NULL
119029 +sel_read_class_12669 sel_read_class 3 12669 NULL nohasharray
119030 +sparse_mem_maps_populate_node_12669 sparse_mem_maps_populate_node 4 12669 &sel_read_class_12669
119031 +ext4_writepage_trans_blocks_12674 ext4_writepage_trans_blocks 0 12674 NULL
119032 +iwl_dbgfs_calib_disabled_write_12707 iwl_dbgfs_calib_disabled_write 3 12707 NULL
119033 +ieee80211_if_read_num_buffered_multicast_12716 ieee80211_if_read_num_buffered_multicast 3 12716 NULL
119034 +ivtv_write_12721 ivtv_write 3 12721 NULL
119035 +key_rx_spec_read_12736 key_rx_spec_read 3 12736 NULL
119036 +__mei_cl_async_send_12737 __mei_cl_async_send 3 12737 NULL
119037 +ieee80211_if_read_dot11MeshMaxRetries_12756 ieee80211_if_read_dot11MeshMaxRetries 3 12756 NULL
119038 +listxattr_12769 listxattr 3 12769 NULL
119039 +sctp_ssnmap_init_12772 sctp_ssnmap_init 2-3 12772 NULL
119040 +scsi_adjust_queue_depth_12802 scsi_adjust_queue_depth 3 12802 NULL
119041 +xfs_inumbers_fmt_12817 xfs_inumbers_fmt 3 12817 NULL
119042 +SyS_add_key_12834 SyS_add_key 4 12834 NULL
119043 +TSS_authhmac_12839 TSS_authhmac 3 12839 NULL
119044 +spidev_sync_12842 spidev_sync 0 12842 NULL
119045 +spidev_ioctl_12846 spidev_ioctl 2 12846 NULL
119046 +ath9k_dump_4k_modal_eeprom_12883 ath9k_dump_4k_modal_eeprom 3-2 12883 NULL
119047 +get_leb_cnt_12892 get_leb_cnt 0-2 12892 NULL
119048 +get_virtual_node_size_12908 get_virtual_node_size 0 12908 NULL
119049 +rds_pages_in_vec_12922 rds_pages_in_vec 0 12922 NULL
119050 +do_inode_permission_12946 do_inode_permission 0 12946 NULL
119051 +bm_status_write_12964 bm_status_write 3 12964 NULL
119052 +raid56_parity_recover_12987 raid56_parity_recover 5 12987 NULL
119053 +TransmitTcb_12989 TransmitTcb 4 12989 NULL
119054 +sk_peek_offset_12991 sk_peek_offset 0 12991 NULL
119055 +bset_prev_bytes_13020 bset_prev_bytes 0 13020 NULL
119056 +subsystem_filter_write_13022 subsystem_filter_write 3 13022 NULL
119057 +ocfs2_write_begin_13045 ocfs2_write_begin 3-4 13045 NULL
119058 +__dn_setsockopt_13060 __dn_setsockopt 5 13060 NULL nohasharray
119059 +ptlrpc_lprocfs_threads_min_seq_write_13060 ptlrpc_lprocfs_threads_min_seq_write 3 13060 &__dn_setsockopt_13060
119060 +ufshcd_compose_upiu_13076 ufshcd_compose_upiu 0 13076 NULL
119061 +xattr_getsecurity_13090 xattr_getsecurity 0 13090 NULL
119062 +ttm_dma_pool_alloc_new_pages_13105 ttm_dma_pool_alloc_new_pages 3 13105 NULL
119063 +SyS_msgrcv_13109 SyS_msgrcv 3 13109 NULL
119064 +snd_rme96_playback_copy_13111 snd_rme96_playback_copy 5 13111 NULL
119065 +bfad_debugfs_read_13119 bfad_debugfs_read 3 13119 NULL
119066 +blk_update_request_13146 blk_update_request 3 13146 NULL
119067 +caif_stream_recvmsg_13173 caif_stream_recvmsg 4 13173 NULL
119068 +pwr_disable_ps_read_13176 pwr_disable_ps_read 3 13176 NULL
119069 +ucs2_strlen_13178 ucs2_strlen 0 13178 NULL
119070 +dgrp_net_ioctl_13183 dgrp_net_ioctl 2 13183 NULL
119071 +create_trace_uprobe_13184 create_trace_uprobe 1 13184 NULL
119072 +comedi_read_13199 comedi_read 3 13199 NULL
119073 +hash_ipport4_expire_13201 hash_ipport4_expire 4 13201 NULL
119074 +mmc_ext_csd_read_13205 mmc_ext_csd_read 3 13205 NULL
119075 +svm_msrpm_offset_13220 svm_msrpm_offset 0-1 13220 NULL
119076 +fnic_trace_ctrl_write_13229 fnic_trace_ctrl_write 3 13229 NULL
119077 +_iwl_dbgfs_disable_power_off_write_13243 _iwl_dbgfs_disable_power_off_write 3 13243 NULL
119078 +asix_read_cmd_13245 asix_read_cmd 5 13245 NULL
119079 +init_tid_tabs_13252 init_tid_tabs 2-3-4 13252 NULL
119080 +bio_integrity_trim_13259 bio_integrity_trim 3-2 13259 NULL
119081 +simple_attr_write_13260 simple_attr_write 3 13260 NULL
119082 +pmcraid_notify_aen_13274 pmcraid_notify_aen 3 13274 NULL
119083 +nvkm_ltc_create__13275 nvkm_ltc_create_ 4 13275 NULL
119084 +il4965_stats_flag_13281 il4965_stats_flag 0-3 13281 NULL
119085 +lpfc_idiag_mbxacc_get_setup_13282 lpfc_idiag_mbxacc_get_setup 0 13282 NULL
119086 +nvkm_i2c_pad_create__13292 nvkm_i2c_pad_create_ 5 13292 NULL
119087 +sd_major_13294 sd_major 0-1 13294 NULL
119088 +read_file_phy_err_13318 read_file_phy_err 3 13318 NULL
119089 +kvm_read_nested_guest_page_13337 kvm_read_nested_guest_page 5 13337 NULL
119090 +round_event_name_len_13348 round_event_name_len 0 13348 NULL
119091 +hscx_empty_fifo_13360 hscx_empty_fifo 2 13360 NULL
119092 +iso_sched_alloc_13377 iso_sched_alloc 1 13377 NULL nohasharray
119093 +wep_key_not_found_read_13377 wep_key_not_found_read 3 13377 &iso_sched_alloc_13377
119094 +ext4_meta_trans_blocks_13380 ext4_meta_trans_blocks 0-3-2 13380 NULL
119095 +lov_mds_md_size_13388 lov_mds_md_size 0-1 13388 NULL nohasharray
119096 +dis_bypass_write_13388 dis_bypass_write 3 13388 &lov_mds_md_size_13388
119097 +netxen_alloc_sds_rings_13417 netxen_alloc_sds_rings 2 13417 NULL
119098 +sctp_setsockopt_peer_primary_addr_13440 sctp_setsockopt_peer_primary_addr 3 13440 NULL
119099 +ath6kl_cfg80211_connect_event_13443 ath6kl_cfg80211_connect_event 7-8-9 13443 NULL
119100 +sb_init_dio_done_wq_13482 sb_init_dio_done_wq 0 13482 NULL
119101 +data_read_13494 data_read 3 13494 NULL nohasharray
119102 +ext_prop_data_store_13494 ext_prop_data_store 3 13494 &data_read_13494
119103 +ocfs2_align_bytes_to_blocks_13512 ocfs2_align_bytes_to_blocks 0-2 13512 NULL
119104 +core_status_13515 core_status 4 13515 NULL
119105 +smk_write_mapped_13519 smk_write_mapped 3 13519 NULL
119106 +bm_init_13529 bm_init 2 13529 NULL
119107 +llcp_sock_recvmsg_13556 llcp_sock_recvmsg 4 13556 NULL
119108 +ieee80211_if_read_ap_power_level_13558 ieee80211_if_read_ap_power_level 3 13558 NULL
119109 +hash_net4_expire_13559 hash_net4_expire 4 13559 NULL
119110 +read_file_antenna_13574 read_file_antenna 3 13574 NULL
119111 +cache_write_13589 cache_write 3 13589 NULL
119112 +Rd_Indx_13602 Rd_Indx 3-2 13602 NULL
119113 +wm8994_bulk_write_13615 wm8994_bulk_write 2-3 13615 NULL
119114 +pmcraid_get_minor_13619 pmcraid_get_minor 0 13619 NULL
119115 +packet_snd_13634 packet_snd 3 13634 NULL
119116 +blk_msg_write_13655 blk_msg_write 3 13655 NULL
119117 +cache_downcall_13666 cache_downcall 3 13666 NULL
119118 +usb_get_string_13693 usb_get_string 0 13693 NULL
119119 +fw_iso_buffer_alloc_13704 fw_iso_buffer_alloc 2 13704 NULL
119120 +audit_unpack_string_13748 audit_unpack_string 3 13748 NULL
119121 +udf_direct_IO_13765 udf_direct_IO 4 13765 NULL
119122 +ieee802154_alloc_device_13767 ieee802154_alloc_device 1 13767 NULL
119123 +fb_sys_read_13778 fb_sys_read 3 13778 NULL
119124 +alloc_indirect_13783 alloc_indirect 1 13783 NULL
119125 +ath6kl_mgmt_powersave_ap_13791 ath6kl_mgmt_powersave_ap 6 13791 NULL
119126 +random_read_13815 random_read 3 13815 NULL
119127 +mutex_lock_interruptible_nested_13817 mutex_lock_interruptible_nested 0 13817 NULL
119128 +hsi_register_board_info_13820 hsi_register_board_info 2 13820 NULL
119129 +___mei_cl_send_13821 ___mei_cl_send 3 13821 NULL
119130 +qce_ahash_hmac_setkey_13837 qce_ahash_hmac_setkey 3 13837 NULL
119131 +enc_pools_insert_13849 enc_pools_insert 3 13849 NULL
119132 +evdev_ioctl_compat_13851 evdev_ioctl_compat 2 13851 NULL
119133 +compat_ip_setsockopt_13870 compat_ip_setsockopt 5 13870 NULL
119134 +qp_memcpy_to_queue_13886 qp_memcpy_to_queue 5-2 13886 NULL
119135 +snd_pcm_aio_read_13900 snd_pcm_aio_read 3 13900 NULL
119136 +cfg80211_inform_bss_width_13933 cfg80211_inform_bss_width 9 13933 NULL
119137 +ext3_xattr_block_get_13936 ext3_xattr_block_get 0 13936 NULL
119138 +ieee80211_if_read_dot11MeshForwarding_13940 ieee80211_if_read_dot11MeshForwarding 3 13940 NULL nohasharray
119139 +ocfs2_xa_value_truncate_13940 ocfs2_xa_value_truncate 2 13940 &ieee80211_if_read_dot11MeshForwarding_13940
119140 +iwl_dbgfs_protection_mode_read_13943 iwl_dbgfs_protection_mode_read 3 13943 NULL
119141 +ieee80211_if_read_min_discovery_timeout_13946 ieee80211_if_read_min_discovery_timeout 3 13946 NULL
119142 +lpfc_idiag_queacc_read_13950 lpfc_idiag_queacc_read 3 13950 NULL
119143 +osc_grant_shrink_interval_seq_write_13952 osc_grant_shrink_interval_seq_write 3 13952 NULL
119144 +snd_pcm_plug_slave_size_13967 snd_pcm_plug_slave_size 0-2 13967 NULL
119145 +qcam_read_13977 qcam_read 3 13977 NULL
119146 +dsp_read_13980 dsp_read 2 13980 NULL
119147 +dvb_demux_read_13981 dvb_demux_read 3 13981 NULL
119148 +sddr09_write_data_14014 sddr09_write_data 3 14014 NULL
119149 +btrfs_get_blocks_direct_14016 btrfs_get_blocks_direct 2 14016 NULL
119150 +dmi_format_ids_14018 dmi_format_ids 2 14018 NULL
119151 +iscsi_create_flashnode_conn_14022 iscsi_create_flashnode_conn 4 14022 NULL
119152 +pci_add_ext_cap_save_buffer_14032 pci_add_ext_cap_save_buffer 3 14032 NULL
119153 +dvb_usercopy_14036 dvb_usercopy 2 14036 NULL
119154 +ieee80211_if_fmt_aid_14055 ieee80211_if_fmt_aid 3 14055 NULL
119155 +ovs_nla_alloc_flow_actions_14056 ovs_nla_alloc_flow_actions 1 14056 NULL
119156 +sta_agg_status_read_14058 sta_agg_status_read 3 14058 NULL
119157 +lov_stripeoffset_seq_write_14078 lov_stripeoffset_seq_write 3 14078 NULL
119158 +do_proc_readlink_14096 do_proc_readlink 3 14096 NULL
119159 +ext4_journal_blocks_per_page_14127 ext4_journal_blocks_per_page 0 14127 NULL
119160 +isku_sysfs_read_light_14140 isku_sysfs_read_light 6 14140 NULL
119161 +em_canid_change_14150 em_canid_change 3 14150 NULL
119162 +gsm_dlci_data_14155 gsm_dlci_data 3 14155 NULL
119163 +midi_alloc_ep_req_14159 midi_alloc_ep_req 2 14159 NULL
119164 +print_input_mask_14168 print_input_mask 3-0 14168 NULL
119165 +ocfs2_xattr_value_truncate_14183 ocfs2_xattr_value_truncate 3 14183 NULL
119166 +datafab_read_data_14186 datafab_read_data 4 14186 NULL
119167 +hfsplus_brec_find_14200 hfsplus_brec_find 0 14200 NULL
119168 +alloc_async_14208 alloc_async 1 14208 NULL
119169 +ath6kl_regread_write_14220 ath6kl_regread_write 3 14220 NULL
119170 +ieee80211_if_write_uapsd_max_sp_len_14233 ieee80211_if_write_uapsd_max_sp_len 3 14233 NULL
119171 +dma_declare_coherent_memory_14244 dma_declare_coherent_memory 4 14244 NULL
119172 +btrfs_token_file_extent_ram_bytes_14247 btrfs_token_file_extent_ram_bytes 0 14247 NULL
119173 +ath6kl_connect_event_14267 ath6kl_connect_event 7-8-9 14267 NULL
119174 +rr_status_14293 rr_status 5 14293 NULL
119175 +read_default_ldt_14302 read_default_ldt 2 14302 NULL nohasharray
119176 +lustre_pack_reply_flags_14302 lustre_pack_reply_flags 2 14302 &read_default_ldt_14302
119177 +oo_objects_14319 oo_objects 0 14319 NULL
119178 +p9_client_zc_rpc_14345 p9_client_zc_rpc 7 14345 NULL
119179 +alloc_tx_struct_14349 alloc_tx_struct 1 14349 NULL
119180 +hash_ipportnet4_expire_14354 hash_ipportnet4_expire 4 14354 NULL
119181 +snd_pcm_lib_readv_14363 snd_pcm_lib_readv 0-3 14363 NULL
119182 +lowpan_read_14369 lowpan_read 3 14369 NULL
119183 +ath6kl_regdump_read_14393 ath6kl_regdump_read 3 14393 NULL
119184 +smk_write_onlycap_14400 smk_write_onlycap 3 14400 NULL
119185 +mtd_concat_create_14416 mtd_concat_create 2 14416 NULL
119186 +get_kcore_size_14425 get_kcore_size 0 14425 NULL
119187 +_iwl_dbgfs_sram_write_14439 _iwl_dbgfs_sram_write 3 14439 NULL
119188 +block_size_14443 block_size 0 14443 NULL
119189 +lmv_user_md_size_14456 lmv_user_md_size 0-1 14456 NULL
119190 +snd_emu10k1_proc_spdif_status_14457 snd_emu10k1_proc_spdif_status 4-5 14457 NULL
119191 +ath10k_write_htt_stats_mask_14458 ath10k_write_htt_stats_mask 3 14458 NULL
119192 +lustre_msg_size_v2_14470 lustre_msg_size_v2 0-1 14470 NULL
119193 +dma_transfer_size_14473 dma_transfer_size 0 14473 NULL
119194 +udplite_getfrag_14479 udplite_getfrag 3-4 14479 NULL
119195 +ieee80211_if_read_dot11MeshGateAnnouncementProtocol_14486 ieee80211_if_read_dot11MeshGateAnnouncementProtocol 3 14486 NULL
119196 +ocfs2_debug_read_14507 ocfs2_debug_read 3 14507 NULL
119197 +dataflash_read_user_otp_14536 dataflash_read_user_otp 3-2 14536 NULL nohasharray
119198 +ep0_write_14536 ep0_write 3 14536 &dataflash_read_user_otp_14536
119199 +picolcd_debug_eeprom_read_14549 picolcd_debug_eeprom_read 3 14549 NULL
119200 +qp_host_alloc_queue_14566 qp_host_alloc_queue 1 14566 NULL
119201 +SyS_setdomainname_14569 SyS_setdomainname 2 14569 NULL
119202 +idmap_pipe_downcall_14591 idmap_pipe_downcall 3 14591 NULL
119203 +ceph_osdc_alloc_request_14597 ceph_osdc_alloc_request 3 14597 NULL
119204 +ufshcd_compose_dev_cmd_14626 ufshcd_compose_dev_cmd 0 14626 NULL
119205 +dbJoin_14644 dbJoin 0 14644 NULL
119206 +profile_replace_14652 profile_replace 3 14652 NULL
119207 +usnic_vnic_dump_14662 usnic_vnic_dump 3 14662 NULL
119208 +min_bytes_needed_14675 min_bytes_needed 0 14675 NULL
119209 +nvme_trans_log_info_exceptions_14677 nvme_trans_log_info_exceptions 3 14677 NULL
119210 +pipeline_enc_tx_stat_fifo_int_read_14680 pipeline_enc_tx_stat_fifo_int_read 3 14680 NULL
119211 +ieee80211_if_fmt_rc_rateidx_mask_2ghz_14683 ieee80211_if_fmt_rc_rateidx_mask_2ghz 3 14683 NULL
119212 +SyS_fsetxattr_14702 SyS_fsetxattr 4 14702 NULL
119213 +persistent_ram_ecc_string_14704 persistent_ram_ecc_string 0 14704 NULL
119214 +u_audio_playback_14709 u_audio_playback 3 14709 NULL
119215 +rtw_cbuf_alloc_14710 rtw_cbuf_alloc 1 14710 NULL
119216 +vfd_write_14717 vfd_write 3 14717 NULL
119217 +__blk_end_request_14729 __blk_end_request 3 14729 NULL
119218 +raid1_resize_14740 raid1_resize 2 14740 NULL
119219 +i915_error_state_buf_init_14742 i915_error_state_buf_init 2 14742 NULL
119220 +btrfs_inode_extref_name_len_14752 btrfs_inode_extref_name_len 0 14752 NULL
119221 +rx_rx_cmplt_read_14753 rx_rx_cmplt_read 3 14753 NULL
119222 +regmap_range_read_file_14775 regmap_range_read_file 3 14775 NULL
119223 +sta_dev_read_14782 sta_dev_read 3 14782 NULL
119224 +keys_proc_write_14792 keys_proc_write 3 14792 NULL
119225 +ext4_kvmalloc_14796 ext4_kvmalloc 1 14796 NULL
119226 +__kfifo_in_14797 __kfifo_in 3-0 14797 NULL nohasharray
119227 +ttm_page_pool_free_14797 ttm_page_pool_free 2-0 14797 &__kfifo_in_14797
119228 +hpet_readl_14801 hpet_readl 0 14801 NULL nohasharray
119229 +snd_als300_gcr_read_14801 snd_als300_gcr_read 0 14801 &hpet_readl_14801
119230 +do_tune_cpucache_14828 do_tune_cpucache 2 14828 NULL
119231 +mrp_attr_create_14853 mrp_attr_create 3 14853 NULL
119232 +lcd_write_14857 lcd_write 3 14857 NULL
119233 +get_user_cpu_mask_14861 get_user_cpu_mask 2 14861 NULL
119234 +acpi_os_allocate_14892 acpi_os_allocate 1 14892 NULL
119235 +SYSC_readv_14901 SYSC_readv 3 14901 NULL
119236 +netlbl_catmap_walk_14902 netlbl_catmap_walk 0-2 14902 NULL
119237 +__arch_hweight64_14923 __arch_hweight64 0 14923 NULL nohasharray
119238 +qp_memcpy_to_queue_iov_14923 qp_memcpy_to_queue_iov 5-2 14923 &__arch_hweight64_14923 nohasharray
119239 +ptlrpc_prep_req_pool_14923 ptlrpc_prep_req_pool 4 14923 &qp_memcpy_to_queue_iov_14923
119240 +ocfs2_expand_nonsparse_inode_14936 ocfs2_expand_nonsparse_inode 3-4 14936 NULL
119241 +queue_cnt_14951 queue_cnt 0 14951 NULL
119242 +unix_dgram_recvmsg_14952 unix_dgram_recvmsg 4 14952 NULL
119243 +videobuf_read_stream_14956 videobuf_read_stream 3 14956 NULL
119244 +mce_flush_rx_buffer_14976 mce_flush_rx_buffer 2 14976 NULL
119245 +setkey_14987 setkey 3 14987 NULL nohasharray
119246 +gpio_twl4030_write_14987 gpio_twl4030_write 1 14987 &setkey_14987
119247 +sctp_setsockopt_default_sndinfo_15011 sctp_setsockopt_default_sndinfo 3 15011 NULL
119248 +blk_integrity_tuple_size_15027 blk_integrity_tuple_size 0 15027 NULL
119249 +read_file_node_aggr_15040 read_file_node_aggr 3 15040 NULL
119250 +cld_pipe_downcall_15058 cld_pipe_downcall 3 15058 NULL
119251 +ieee80211_if_read_uapsd_max_sp_len_15067 ieee80211_if_read_uapsd_max_sp_len 3 15067 NULL
119252 +nfs4_write_cached_acl_15070 nfs4_write_cached_acl 4 15070 NULL
119253 +ntfs_copy_from_user_15072 ntfs_copy_from_user 3-5-0 15072 NULL
119254 +pppoe_recvmsg_15073 pppoe_recvmsg 4 15073 NULL
119255 +smscore_load_firmware_family2_15086 smscore_load_firmware_family2 3 15086 NULL
119256 +compat_SyS_pwritev_15118 compat_SyS_pwritev 3 15118 NULL
119257 +hex_dump_to_buffer_15121 hex_dump_to_buffer 6 15121 NULL
119258 +start_port_15124 start_port 0 15124 NULL
119259 +ipwireless_ppp_mru_15153 ipwireless_ppp_mru 0 15153 NULL
119260 +SYSC_setdomainname_15180 SYSC_setdomainname 2 15180 NULL
119261 +iscsi_create_endpoint_15193 iscsi_create_endpoint 1 15193 NULL
119262 +mtt_alloc_res_15211 mtt_alloc_res 5 15211 NULL
119263 +bfad_debugfs_write_regrd_15218 bfad_debugfs_write_regrd 3 15218 NULL
119264 +iwl_dbgfs_sram_write_15239 iwl_dbgfs_sram_write 3 15239 NULL
119265 +il_dbgfs_rx_stats_read_15243 il_dbgfs_rx_stats_read 3 15243 NULL
119266 +wacom_led_putimage_15264 wacom_led_putimage 4 15264 NULL
119267 +simple_strtol_15273 simple_strtol 0 15273 NULL
119268 +fw_realloc_buffer_15280 fw_realloc_buffer 2 15280 NULL
119269 +kovaplus_sysfs_read_15337 kovaplus_sysfs_read 6 15337 NULL
119270 +ioread16_15342 ioread16 0 15342 NULL
119271 +ept_prefetch_gpte_15348 ept_prefetch_gpte 4 15348 NULL
119272 +blkdev_readpages_15357 blkdev_readpages 4 15357 NULL
119273 +acpi_ut_create_string_object_15360 acpi_ut_create_string_object 1 15360 NULL
119274 +graph_depth_read_15371 graph_depth_read 3 15371 NULL
119275 +fq_codel_zalloc_15378 fq_codel_zalloc 1 15378 NULL
119276 +alloc_fddidev_15382 alloc_fddidev 1 15382 NULL
119277 +pipeline_csum_to_rx_xfer_swi_read_15403 pipeline_csum_to_rx_xfer_swi_read 3 15403 NULL
119278 +get_modalias_15406 get_modalias 2 15406 NULL
119279 +__videobuf_copy_to_user_15423 __videobuf_copy_to_user 4-0 15423 NULL
119280 +tcp_mtu_to_mss_15438 tcp_mtu_to_mss 2-0 15438 NULL
119281 +hpsa_change_queue_depth_15449 hpsa_change_queue_depth 2 15449 NULL
119282 +memweight_15450 memweight 2 15450 NULL
119283 +__clone_and_map_data_bio_15498 __clone_and_map_data_bio 3 15498 NULL
119284 +zd_chip_is_zd1211b_15518 zd_chip_is_zd1211b 0 15518 NULL
119285 +ifx_spi_write_15531 ifx_spi_write 3 15531 NULL
119286 +p9_check_zc_errors_15534 p9_check_zc_errors 4 15534 NULL
119287 +xfrm_state_mtu_15548 xfrm_state_mtu 0-2 15548 NULL
119288 +persistent_status_15574 persistent_status 4 15574 NULL
119289 +bnx2fc_process_unsol_compl_15576 bnx2fc_process_unsol_compl 2 15576 NULL
119290 +vme_user_write_15587 vme_user_write 3 15587 NULL
119291 +compat_fillonedir_15620 compat_fillonedir 3 15620 NULL
119292 +proc_loginuid_read_15631 proc_loginuid_read 3 15631 NULL
119293 +tomoyo_scan_bprm_15642 tomoyo_scan_bprm 2-4 15642 NULL nohasharray
119294 +pipeline_hs_tx_stat_fifo_int_read_15642 pipeline_hs_tx_stat_fifo_int_read 3 15642 &tomoyo_scan_bprm_15642 nohasharray
119295 +sk_memory_allocated_add_15642 sk_memory_allocated_add 2 15642 &pipeline_hs_tx_stat_fifo_int_read_15642
119296 +joydev_handle_JSIOCSBTNMAP_15643 joydev_handle_JSIOCSBTNMAP 3 15643 NULL
119297 +fs_path_add_15648 fs_path_add 3 15648 NULL
119298 +xsd_read_15653 xsd_read 3 15653 NULL
119299 +unix_bind_15668 unix_bind 3 15668 NULL
119300 +dm_read_15674 dm_read 3 15674 NULL nohasharray
119301 +SyS_connect_15674 SyS_connect 3 15674 &dm_read_15674
119302 +uinput_str_to_user_15695 uinput_str_to_user 3 15695 NULL
119303 +__sk_migrate_realloc_15709 __sk_migrate_realloc 3 15709 NULL
119304 +tracing_snapshot_write_15719 tracing_snapshot_write 3 15719 NULL
119305 +HiSax_readstatus_15752 HiSax_readstatus 2 15752 NULL
119306 +smk_read_direct_15803 smk_read_direct 3 15803 NULL
119307 +gnttab_expand_15817 gnttab_expand 1 15817 NULL nohasharray
119308 +nameseq_list_15817 nameseq_list 3-0 15817 &gnttab_expand_15817
119309 +afs_proc_rootcell_write_15822 afs_proc_rootcell_write 3 15822 NULL
119310 +table_size_15851 table_size 0-1-2 15851 NULL
119311 +write_file_tx99_15856 write_file_tx99 3 15856 NULL
119312 +media_entity_init_15870 media_entity_init 2-4 15870 NULL
119313 +__mptctl_ioctl_15875 __mptctl_ioctl 2 15875 NULL
119314 +parse_audio_stream_data_15937 parse_audio_stream_data 3 15937 NULL
119315 +power_read_15939 power_read 3 15939 NULL
119316 +lpfc_idiag_drbacc_read_15948 lpfc_idiag_drbacc_read 3 15948 NULL
119317 +snd_pcm_lib_read_transfer_15952 snd_pcm_lib_read_transfer 5-2-4 15952 NULL
119318 +memblock_virt_alloc_try_nid_15954 memblock_virt_alloc_try_nid 1 15954 NULL
119319 +smk_read_ptrace_15974 smk_read_ptrace 3 15974 NULL
119320 +viafb_vt1636_proc_write_16018 viafb_vt1636_proc_write 3 16018 NULL
119321 +dccp_recvmsg_16056 dccp_recvmsg 4 16056 NULL
119322 +read_file_spectral_period_16057 read_file_spectral_period 3 16057 NULL
119323 +SYSC_kexec_file_load_16058 SYSC_kexec_file_load 3 16058 NULL
119324 +si5351_msynth_params_address_16062 si5351_msynth_params_address 0-1 16062 NULL
119325 +isr_tx_exch_complete_read_16103 isr_tx_exch_complete_read 3 16103 NULL
119326 +isr_hw_pm_mode_changes_read_16110 isr_hw_pm_mode_changes_read 3 16110 NULL nohasharray
119327 +dma_tx_requested_read_16110 dma_tx_requested_read 3 16110 &isr_hw_pm_mode_changes_read_16110
119328 +udelay_test_write_16111 udelay_test_write 3 16111 NULL
119329 +snd_dma_pointer_16126 snd_dma_pointer 0-2 16126 NULL
119330 +fsm_init_16134 fsm_init 2 16134 NULL
119331 +ext4_xattr_block_get_16148 ext4_xattr_block_get 0 16148 NULL
119332 +optimal_reclaimed_pages_16172 optimal_reclaimed_pages 0 16172 NULL
119333 +mapping_level_16188 mapping_level 2-0 16188 NULL
119334 +i40e_allocate_virt_mem_d_16191 i40e_allocate_virt_mem_d 3 16191 NULL
119335 +ath10k_htt_rx_ring_size_16201 ath10k_htt_rx_ring_size 0 16201 NULL
119336 +cipso_v4_map_cat_rng_hton_16203 cipso_v4_map_cat_rng_hton 0 16203 NULL
119337 +SyS_pselect6_16210 SyS_pselect6 1 16210 NULL
119338 +create_table_16213 create_table 2 16213 NULL
119339 +ath9k_hw_ar9287_dump_eeprom_16224 ath9k_hw_ar9287_dump_eeprom 5-4 16224 NULL
119340 +atomic_read_file_16227 atomic_read_file 3 16227 NULL
119341 +BcmGetSectionValStartOffset_16235 BcmGetSectionValStartOffset 0 16235 NULL
119342 +lov_prep_brw_set_16246 lov_prep_brw_set 3 16246 NULL
119343 +i40e_dbg_dump_read_16247 i40e_dbg_dump_read 3 16247 NULL
119344 +il_dbgfs_disable_ht40_write_16249 il_dbgfs_disable_ht40_write 3 16249 NULL
119345 +SyS_fgetxattr_16254 SyS_fgetxattr 4 16254 NULL
119346 +reiserfs_acl_count_16265 reiserfs_acl_count 0-1 16265 NULL
119347 +ocfs2_xattr_bucket_value_truncate_16279 ocfs2_xattr_bucket_value_truncate 4 16279 NULL
119348 +nand_bch_init_16280 nand_bch_init 3-2 16280 NULL nohasharray
119349 +drbd_setsockopt_16280 drbd_setsockopt 5 16280 &nand_bch_init_16280
119350 +account_16283 account 0-4-2 16283 NULL nohasharray
119351 +mirror_status_16283 mirror_status 5 16283 &account_16283
119352 +jumpshot_read_data_16287 jumpshot_read_data 4 16287 NULL
119353 +mo_xattr_get_16288 mo_xattr_get 0 16288 NULL
119354 +stk_allocate_buffers_16291 stk_allocate_buffers 2 16291 NULL
119355 +rbd_segment_offset_16293 rbd_segment_offset 0-2 16293 NULL
119356 +rsc_mgr_init_16299 rsc_mgr_init 3 16299 NULL
119357 +kvm_handle_hva_range_16312 kvm_handle_hva_range 3-2 16312 NULL
119358 +sysfs_create_groups_16360 sysfs_create_groups 0 16360 NULL
119359 +total_ps_buffered_read_16365 total_ps_buffered_read 3 16365 NULL
119360 +iscsi_tcp_conn_setup_16376 iscsi_tcp_conn_setup 2 16376 NULL
119361 +nv50_pioc_create_16389 nv50_pioc_create 5 16389 NULL
119362 +ieee80211_if_read_tsf_16420 ieee80211_if_read_tsf 3 16420 NULL
119363 +rxrpc_server_keyring_16431 rxrpc_server_keyring 3 16431 NULL
119364 +__bio_add_page_16435 __bio_add_page 0-4 16435 NULL
119365 +cmdline_store_16442 cmdline_store 4 16442 NULL
119366 +copy_from_user_bvec_16447 copy_from_user_bvec 0-4 16447 NULL
119367 +btrfs_truncate_inode_items_16452 btrfs_truncate_inode_items 4 16452 NULL
119368 +netlink_change_ngroups_16457 netlink_change_ngroups 2 16457 NULL
119369 +req_capsule_get_size_16467 req_capsule_get_size 0 16467 NULL
119370 +tracing_readme_read_16493 tracing_readme_read 3 16493 NULL
119371 +KEY_OFFSET_16504 KEY_OFFSET 0 16504 NULL
119372 +snd_interval_max_16529 snd_interval_max 0 16529 NULL
119373 +raid10_resize_16537 raid10_resize 2 16537 NULL
119374 +lpfc_debugfs_read_16566 lpfc_debugfs_read 3 16566 NULL
119375 +agp_allocate_memory_wrap_16576 agp_allocate_memory_wrap 1 16576 NULL
119376 +lustre_msg_hdr_size_v2_16589 lustre_msg_hdr_size_v2 0-1 16589 NULL
119377 +compat_SyS_migrate_pages_16618 compat_SyS_migrate_pages 2 16618 NULL
119378 +rtw_set_wpa_ie_16633 rtw_set_wpa_ie 3 16633 NULL
119379 +btrfs_get_token_32_16651 btrfs_get_token_32 0 16651 NULL
119380 +__wa_populate_dto_urb_16699 __wa_populate_dto_urb 3-4 16699 NULL
119381 +_iwl_dbgfs_bt_force_ant_write_16701 _iwl_dbgfs_bt_force_ant_write 3 16701 NULL
119382 +__proc_lnet_buffers_16717 __proc_lnet_buffers 5 16717 NULL
119383 +__copy_to_user_swizzled_16748 __copy_to_user_swizzled 3-4 16748 NULL
119384 +arcmsr_adjust_disk_queue_depth_16756 arcmsr_adjust_disk_queue_depth 2 16756 NULL
119385 +blk_rq_map_user_iov_16772 blk_rq_map_user_iov 5 16772 NULL
119386 +i2o_parm_issue_16790 i2o_parm_issue 0 16790 NULL
119387 +get_server_iovec_16804 get_server_iovec 2 16804 NULL
119388 +drm_malloc_ab_16831 drm_malloc_ab 1-2 16831 NULL
119389 +scsi_mode_sense_16835 scsi_mode_sense 5 16835 NULL
119390 +hfsplus_min_io_size_16859 hfsplus_min_io_size 0 16859 NULL
119391 +alloc_idx_lebs_16872 alloc_idx_lebs 2 16872 NULL
119392 +carl9170_debugfs_ampdu_state_read_16873 carl9170_debugfs_ampdu_state_read 3 16873 NULL
119393 +st_write_16874 st_write 3 16874 NULL
119394 +__kfifo_peek_n_16877 __kfifo_peek_n 0 16877 NULL
119395 +psb_unlocked_ioctl_16926 psb_unlocked_ioctl 2 16926 NULL nohasharray
119396 +snd_gf1_mem_proc_dump_16926 snd_gf1_mem_proc_dump 5 16926 &psb_unlocked_ioctl_16926
119397 +_sp2d_alloc_16944 _sp2d_alloc 1-2-3 16944 NULL
119398 +squashfs_read_table_16945 squashfs_read_table 3 16945 NULL
119399 +svcxdr_dupstr_16963 svcxdr_dupstr 3 16963 NULL
119400 +keyctl_instantiate_key_iov_16969 keyctl_instantiate_key_iov 3 16969 NULL
119401 +ceph_read_dir_17005 ceph_read_dir 3 17005 NULL
119402 +copy_counters_to_user_17027 copy_counters_to_user 5 17027 NULL
119403 +C_SYSC_keyctl_17041 C_SYSC_keyctl 4 17041 NULL
119404 +jffs2_trusted_setxattr_17048 jffs2_trusted_setxattr 4 17048 NULL
119405 +__arch_hweight32_17060 __arch_hweight32 0 17060 NULL
119406 +sddr55_read_data_17072 sddr55_read_data 4 17072 NULL
119407 +dvb_dvr_read_17073 dvb_dvr_read 3 17073 NULL
119408 +simple_transaction_read_17076 simple_transaction_read 3 17076 NULL
119409 +carl9170_debugfs_mem_usage_read_17084 carl9170_debugfs_mem_usage_read 3 17084 NULL
119410 +entry_length_17093 entry_length 0 17093 NULL
119411 +write_mem_17114 write_mem 3 17114 NULL
119412 +pvr2_hdw_state_report_17121 pvr2_hdw_state_report 3 17121 NULL
119413 +do_blockdev_direct_IO_17143 do_blockdev_direct_IO 0-6 17143 NULL
119414 +nouveau_instobj_create__17144 nouveau_instobj_create_ 4 17144 NULL
119415 +jumpshot_write_data_17151 jumpshot_write_data 4 17151 NULL
119416 +mxt_upload_cfg_mem_17157 mxt_upload_cfg_mem 4 17157 NULL
119417 +sep_read_17161 sep_read 3 17161 NULL
119418 +befs_nls2utf_17163 befs_nls2utf 3 17163 NULL
119419 +tx_tx_start_templates_read_17164 tx_tx_start_templates_read 3 17164 NULL
119420 +UniStrnlen_17169 UniStrnlen 0 17169 NULL
119421 +access_remote_vm_17189 access_remote_vm 0 17189 NULL nohasharray
119422 +iwl_dbgfs_txfifo_flush_write_17189 iwl_dbgfs_txfifo_flush_write 3 17189 &access_remote_vm_17189
119423 +driver_state_read_17194 driver_state_read 3 17194 NULL nohasharray
119424 +iscsit_find_cmd_from_itt_or_dump_17194 iscsit_find_cmd_from_itt_or_dump 3 17194 &driver_state_read_17194
119425 +sync_request_17208 sync_request 2 17208 NULL
119426 +dn_recvmsg_17213 dn_recvmsg 4 17213 NULL
119427 +lprocfs_read_frac_helper_17261 lprocfs_read_frac_helper 0 17261 NULL
119428 +error_error_frame_cts_nul_flid_read_17262 error_error_frame_cts_nul_flid_read 3 17262 NULL
119429 +alloc_ep_17269 alloc_ep 1 17269 NULL
119430 +pg_read_17276 pg_read 3 17276 NULL
119431 +raw_recvmsg_17277 raw_recvmsg 4 17277 NULL
119432 +hmac_sha256_17278 hmac_sha256 2 17278 NULL
119433 +neigh_hash_grow_17283 neigh_hash_grow 2 17283 NULL
119434 +minstrel_stats_read_17290 minstrel_stats_read 3 17290 NULL
119435 +__ptlrpc_request_bufs_pack_17298 __ptlrpc_request_bufs_pack 4 17298 NULL
119436 +ieee80211_if_fmt_dot11MeshForwarding_17301 ieee80211_if_fmt_dot11MeshForwarding 3 17301 NULL
119437 +mb_cache_create_17307 mb_cache_create 2 17307 NULL
119438 +gnttab_map_frames_v2_17314 gnttab_map_frames_v2 2 17314 NULL
119439 +ieee80211_if_read_dot11MeshHWMPperrMinInterval_17346 ieee80211_if_read_dot11MeshHWMPperrMinInterval 3 17346 NULL
119440 +ath6kl_wmi_send_mgmt_cmd_17347 ath6kl_wmi_send_mgmt_cmd 7 17347 NULL
119441 +mdc_import_seq_write_17409 mdc_import_seq_write 3 17409 NULL
119442 +lpfc_debugfs_dif_err_write_17424 lpfc_debugfs_dif_err_write 3 17424 NULL
119443 +copy_from_iter_17433 copy_from_iter 2 17433 NULL
119444 +sta_connected_time_read_17435 sta_connected_time_read 3 17435 NULL
119445 +libcfs_ipif_enumerate_17445 libcfs_ipif_enumerate 0 17445 NULL
119446 +nla_get_u32_17455 nla_get_u32 0 17455 NULL
119447 +__ref_totlen_17461 __ref_totlen 0 17461 NULL
119448 +probe_kernel_write_17481 probe_kernel_write 3 17481 NULL
119449 +TSS_rawhmac_17486 TSS_rawhmac 3 17486 NULL
119450 +copy_page_from_iter_17512 copy_page_from_iter 3-0 17512 NULL
119451 +reiserfs_direct_IO_17513 reiserfs_direct_IO 4 17513 NULL
119452 +lbs_highrssi_write_17515 lbs_highrssi_write 3 17515 NULL
119453 +qp_free_res_17541 qp_free_res 5 17541 NULL
119454 +__copy_to_user_17551 __copy_to_user 0-3 17551 NULL
119455 +copy_from_user_17559 copy_from_user 3-0 17559 NULL
119456 +hash_netport4_expire_17573 hash_netport4_expire 4 17573 NULL
119457 +wil_write_file_rxon_17581 wil_write_file_rxon 3 17581 NULL
119458 +acpi_ut_create_package_object_17594 acpi_ut_create_package_object 1 17594 NULL
119459 +neigh_hash_alloc_17595 neigh_hash_alloc 1 17595 NULL
119460 +osst_execute_17607 osst_execute 7-6 17607 NULL
119461 +ieee80211_if_read_dot11MeshHWMPactivePathToRootTimeout_17618 ieee80211_if_read_dot11MeshHWMPactivePathToRootTimeout 3 17618 NULL
119462 +dma_map_page_17628 dma_map_page 0 17628 NULL
119463 +twl4030_set_gpio_direction_17645 twl4030_set_gpio_direction 1 17645 NULL
119464 +SYSC_migrate_pages_17657 SYSC_migrate_pages 2 17657 NULL
119465 +packet_setsockopt_17662 packet_setsockopt 5 17662 NULL
119466 +pwr_enable_ps_read_17686 pwr_enable_ps_read 3 17686 NULL
119467 +venus_rename_17707 venus_rename 4-5 17707 NULL
119468 +exofs_read_lookup_dev_table_17733 exofs_read_lookup_dev_table 3 17733 NULL
119469 +sctpprobe_read_17741 sctpprobe_read 3 17741 NULL
119470 +nv92_gpio_intr_mask_17773 nv92_gpio_intr_mask 4-3 17773 NULL
119471 +shrink_slab_node_17794 shrink_slab_node 3 17794 NULL
119472 +lpuart_copy_rx_to_tty_17801 lpuart_copy_rx_to_tty 3 17801 NULL
119473 +_iwl_dbgfs_set_nic_temperature_write_17804 _iwl_dbgfs_set_nic_temperature_write 3 17804 NULL
119474 +gnet_stats_copy_app_17821 gnet_stats_copy_app 3 17821 NULL
119475 +cipso_v4_gentag_rbm_17836 cipso_v4_gentag_rbm 0 17836 NULL
119476 +em28xx_audio_ep_packet_size_17844 em28xx_audio_ep_packet_size 0 17844 NULL
119477 +dm_stats_message_17863 dm_stats_message 5 17863 NULL
119478 +sisusb_send_bulk_msg_17864 sisusb_send_bulk_msg 3 17864 NULL
119479 +alloc_sja1000dev_17868 alloc_sja1000dev 1 17868 NULL
119480 +virtio_cread32_17873 virtio_cread32 0 17873 NULL
119481 +ray_cs_essid_proc_write_17875 ray_cs_essid_proc_write 3 17875 NULL
119482 +orinoco_set_key_17878 orinoco_set_key 5-7 17878 NULL nohasharray
119483 +i40e_align_l2obj_base_17878 i40e_align_l2obj_base 0-1 17878 &orinoco_set_key_17878
119484 +init_per_cpu_17880 init_per_cpu 1 17880 NULL
119485 +ieee80211_if_fmt_dot11MeshMaxPeerLinks_17883 ieee80211_if_fmt_dot11MeshMaxPeerLinks 3 17883 NULL
119486 +ieee80211_if_fmt_dot11MeshHWMPRootMode_17890 ieee80211_if_fmt_dot11MeshHWMPRootMode 3 17890 NULL
119487 +dev_pm_opp_get_opp_count_17911 dev_pm_opp_get_opp_count 0 17911 NULL
119488 +xfs_buf_associate_memory_17915 xfs_buf_associate_memory 3 17915 NULL
119489 +tipc_port_iovec_rcv_17921 tipc_port_iovec_rcv 3 17921 NULL
119490 +scsi_bufflen_17933 scsi_bufflen 0 17933 NULL
119491 +__mutex_lock_check_stamp_17947 __mutex_lock_check_stamp 0 17947 NULL
119492 +beacon_interval_write_17952 beacon_interval_write 3 17952 NULL
119493 +calc_nr_buckets_17976 calc_nr_buckets 0 17976 NULL
119494 +ext4_ext_calc_credits_for_single_extent_17983 ext4_ext_calc_credits_for_single_extent 0-2 17983 NULL
119495 +smk_write_cipso_17989 smk_write_cipso 3 17989 NULL
119496 +gnttab_max_grant_frames_17993 gnttab_max_grant_frames 0 17993 NULL
119497 +pvr2_v4l2_read_18006 pvr2_v4l2_read 3 18006 NULL
119498 +o2hb_highest_node_18034 o2hb_highest_node 0 18034 NULL
119499 +cryptd_alloc_instance_18048 cryptd_alloc_instance 2-3 18048 NULL
119500 +__btrfs_drop_extents_18049 __btrfs_drop_extents 5 18049 NULL
119501 +ddebug_proc_write_18055 ddebug_proc_write 3 18055 NULL
119502 +lua_sysfs_read_18062 lua_sysfs_read 6 18062 NULL
119503 +fpregs_get_18066 fpregs_get 4 18066 NULL
119504 +kvm_read_guest_page_18074 kvm_read_guest_page 5 18074 NULL
119505 +SYSC_pselect6_18076 SYSC_pselect6 1 18076 NULL
119506 +SYSC_semtimedop_18091 SYSC_semtimedop 3 18091 NULL
119507 +mpi_alloc_18094 mpi_alloc 1 18094 NULL
119508 +dfs_file_read_18116 dfs_file_read 3 18116 NULL
119509 +svc_getnl_18120 svc_getnl 0 18120 NULL
119510 +paging32_gpte_to_gfn_lvl_18131 paging32_gpte_to_gfn_lvl 0-2-1 18131 NULL
119511 +selinux_inode_setsecurity_18148 selinux_inode_setsecurity 4 18148 NULL
119512 +enable_ints_write_18170 enable_ints_write 3 18170 NULL
119513 +pccard_store_cis_18176 pccard_store_cis 6 18176 NULL
119514 +orinoco_add_extscan_result_18207 orinoco_add_extscan_result 3 18207 NULL
119515 +gsm_control_message_18209 gsm_control_message 4 18209 NULL
119516 +do_ipv6_setsockopt_18215 do_ipv6_setsockopt 5 18215 NULL
119517 +fill_ext_prop_18233 fill_ext_prop 0 18233 NULL
119518 +gnttab_alloc_grant_references_18240 gnttab_alloc_grant_references 1 18240 NULL
119519 +alloc_trace_uprobe_18247 alloc_trace_uprobe 3 18247 NULL
119520 +rfcomm_sock_setsockopt_18254 rfcomm_sock_setsockopt 5 18254 NULL
119521 +qdisc_class_hash_alloc_18262 qdisc_class_hash_alloc 1 18262 NULL
119522 +gfs2_alloc_sort_buffer_18275 gfs2_alloc_sort_buffer 1 18275 NULL
119523 +alloc_ring_18278 alloc_ring 2-4 18278 NULL
119524 +bio_phys_segments_18281 bio_phys_segments 0 18281 NULL nohasharray
119525 +nouveau_subdev_create__18281 nouveau_subdev_create_ 7 18281 &bio_phys_segments_18281
119526 +ext4_readpages_18283 ext4_readpages 4 18283 NULL
119527 +mmc_send_bus_test_18285 mmc_send_bus_test 4 18285 NULL
119528 +um_idi_write_18293 um_idi_write 3 18293 NULL
119529 +nouveau_disp_create__18305 nouveau_disp_create_ 4-7 18305 NULL
119530 +lustre_msg_hdr_size_18308 lustre_msg_hdr_size 2 18308 NULL
119531 +class_add_profile_18315 class_add_profile 1-3-5 18315 NULL
119532 +csio_mem_read_18319 csio_mem_read 3 18319 NULL
119533 +alloc_and_copy_string_18321 alloc_and_copy_string 2 18321 NULL
119534 +ecryptfs_send_message_18322 ecryptfs_send_message 2 18322 NULL
119535 +bio_integrity_advance_18324 bio_integrity_advance 2 18324 NULL
119536 +copy_page_to_iter_18345 copy_page_to_iter 0-3 18345 NULL
119537 +lcd_proc_write_18351 lcd_proc_write 3 18351 NULL
119538 +pwr_power_save_off_read_18355 pwr_power_save_off_read 3 18355 NULL
119539 +SyS_process_vm_readv_18366 SyS_process_vm_readv 3-5 18366 NULL
119540 +ep_io_18367 ep_io 0 18367 NULL
119541 +qib_user_sdma_num_pages_18371 qib_user_sdma_num_pages 0 18371 NULL
119542 +__ceph_getxattr_18386 __ceph_getxattr 0 18386 NULL
119543 +ci_role_write_18388 ci_role_write 3 18388 NULL
119544 +hdlc_empty_fifo_18397 hdlc_empty_fifo 2 18397 NULL
119545 +adis16136_show_serial_18402 adis16136_show_serial 3 18402 NULL
119546 +nvif_device_init_18418 nvif_device_init 6 18418 NULL
119547 +memblock_virt_alloc_node_nopanic_18431 memblock_virt_alloc_node_nopanic 1 18431 NULL
119548 +iscsi_create_flashnode_sess_18433 iscsi_create_flashnode_sess 4 18433 NULL
119549 +snd_hda_get_connections_18437 snd_hda_get_connections 0 18437 NULL
119550 +fuse_perform_write_18457 fuse_perform_write 4 18457 NULL
119551 +regset_tls_set_18459 regset_tls_set 4 18459 NULL
119552 +pci_vpd_lrdt_size_18479 pci_vpd_lrdt_size 0 18479 NULL nohasharray
119553 +mite_bytes_in_transit_18479 mite_bytes_in_transit 0 18479 &pci_vpd_lrdt_size_18479
119554 +udpv6_setsockopt_18487 udpv6_setsockopt 5 18487 NULL
119555 +btrfs_fiemap_18501 btrfs_fiemap 3 18501 NULL
119556 +__copy_user_zeroing_intel_18510 __copy_user_zeroing_intel 0-3 18510 NULL
119557 +snd_vx_inb_18514 snd_vx_inb 0 18514 NULL
119558 +snd_gus_dram_poke_18525 snd_gus_dram_poke 4 18525 NULL
119559 +nouveau_fifo_channel_create__18530 nouveau_fifo_channel_create_ 9 18530 NULL
119560 +tipc_send2port_18531 tipc_send2port 4 18531 NULL
119561 +seq_copy_in_user_18543 seq_copy_in_user 3 18543 NULL
119562 +sas_change_queue_depth_18555 sas_change_queue_depth 2 18555 NULL
119563 +smk_write_rules_list_18565 smk_write_rules_list 3 18565 NULL
119564 +debug_output_18575 debug_output 3 18575 NULL
119565 +filemap_fdatawait_range_18600 filemap_fdatawait_range 0 18600 NULL nohasharray
119566 +slabinfo_write_18600 slabinfo_write 3 18600 &filemap_fdatawait_range_18600
119567 +iowarrior_write_18604 iowarrior_write 3 18604 NULL
119568 +from_buffer_18625 from_buffer 3 18625 NULL
119569 +kmalloc_kernel_18641 kmalloc_kernel 1 18641 NULL
119570 +snd_pcm_oss_write3_18657 snd_pcm_oss_write3 0-3 18657 NULL
119571 +ieee80211_if_fmt_rssi_threshold_18664 ieee80211_if_fmt_rssi_threshold 3 18664 NULL
119572 +xfs_iext_insert_18667 xfs_iext_insert 3 18667 NULL
119573 +fnic_stats_debugfs_read_18688 fnic_stats_debugfs_read 3 18688 NULL
119574 +echo_client_prep_commit_18693 echo_client_prep_commit 8 18693 NULL
119575 +iwl_dbgfs_rx_handlers_read_18708 iwl_dbgfs_rx_handlers_read 3 18708 NULL
119576 +ceph_alloc_page_vector_18710 ceph_alloc_page_vector 1 18710 NULL
119577 +blk_rq_bytes_18715 blk_rq_bytes 0 18715 NULL
119578 +nfs4_init_callback_netid_18717 nfs4_init_callback_netid 3 18717 NULL
119579 +snd_als4k_gcr_read_addr_18741 snd_als4k_gcr_read_addr 0 18741 NULL
119580 +o2hb_debug_create_18744 o2hb_debug_create 4 18744 NULL
119581 +__erst_read_to_erange_from_nvram_18748 __erst_read_to_erange_from_nvram 0 18748 NULL
119582 +wep_packets_read_18751 wep_packets_read 3 18751 NULL
119583 +read_file_dump_nfcal_18766 read_file_dump_nfcal 3 18766 NULL
119584 +SyS_lsetxattr_18776 SyS_lsetxattr 4 18776 NULL
119585 +alloc_fcdev_18780 alloc_fcdev 1 18780 NULL
119586 +fence_context_alloc_18792 fence_context_alloc 1 18792 NULL
119587 +dm_stats_print_18815 dm_stats_print 7 18815 NULL
119588 +sys_modify_ldt_18824 sys_modify_ldt 3 18824 NULL
119589 +mtf_test_write_18844 mtf_test_write 3 18844 NULL
119590 +sctp_setsockopt_events_18862 sctp_setsockopt_events 3 18862 NULL
119591 +ieee80211_if_read_element_ttl_18869 ieee80211_if_read_element_ttl 3 18869 NULL
119592 +xlog_find_verify_log_record_18870 xlog_find_verify_log_record 2 18870 NULL
119593 +devm_mdiobus_alloc_size_18902 devm_mdiobus_alloc_size 2 18902 NULL
119594 +tracing_thresh_write_18909 tracing_thresh_write 3 18909 NULL
119595 +ceph_setxattr_18913 ceph_setxattr 4 18913 NULL
119596 +xfs_buf_read_uncached_18922 xfs_buf_read_uncached 3 18922 NULL
119597 +ieee80211_rx_mgmt_disassoc_18927 ieee80211_rx_mgmt_disassoc 3 18927 NULL
119598 +snapshot_write_next_18937 snapshot_write_next 0 18937 NULL
119599 +__nla_reserve_18974 __nla_reserve 3 18974 NULL
119600 +layout_in_gaps_19006 layout_in_gaps 2 19006 NULL
119601 +huge_page_size_19008 huge_page_size 0 19008 NULL
119602 +hash_netport6_expire_19013 hash_netport6_expire 4 19013 NULL
119603 +sysfs_create_dir_ns_19033 sysfs_create_dir_ns 0 19033 NULL
119604 +revalidate_19043 revalidate 2 19043 NULL
119605 +afs_vnode_store_data_19048 afs_vnode_store_data 2-3-4-5 19048 NULL
119606 +osc_pinger_recov_seq_write_19056 osc_pinger_recov_seq_write 3 19056 NULL
119607 +create_gpadl_header_19064 create_gpadl_header 2 19064 NULL
119608 +ceph_create_snap_context_19082 ceph_create_snap_context 1 19082 NULL
119609 +sta_last_seq_ctrl_read_19106 sta_last_seq_ctrl_read 3 19106 NULL
119610 +cifs_readv_from_socket_19109 cifs_readv_from_socket 3 19109 NULL
119611 +skb_gro_offset_19123 skb_gro_offset 0 19123 NULL
119612 +cma_bitmap_maxno_19135 cma_bitmap_maxno 0 19135 NULL
119613 +snd_als4k_iobase_readl_19136 snd_als4k_iobase_readl 0 19136 NULL
119614 +alloc_irdadev_19140 alloc_irdadev 1 19140 NULL
119615 +sleep_auth_read_19159 sleep_auth_read 3 19159 NULL
119616 +smk_write_access2_19170 smk_write_access2 3 19170 NULL
119617 +read_extent_buffer_to_user_19189 read_extent_buffer_to_user 4-3 19189 NULL
119618 +iwl_dbgfs_reply_tx_error_read_19205 iwl_dbgfs_reply_tx_error_read 3 19205 NULL
119619 +__copy_to_user_inatomic_19214 __copy_to_user_inatomic 0-3 19214 NULL
119620 +dev_counters_read_19216 dev_counters_read 3 19216 NULL
119621 +wbcir_tx_19219 wbcir_tx 3 19219 NULL
119622 +snd_mask_max_19224 snd_mask_max 0 19224 NULL
119623 +bio_alloc_mddev_19238 bio_alloc_mddev 2 19238 NULL
119624 +ucma_query_19260 ucma_query 4 19260 NULL
119625 +il_dbgfs_rxon_filter_flags_read_19281 il_dbgfs_rxon_filter_flags_read 3 19281 NULL
119626 +batadv_tt_save_orig_buffer_19288 batadv_tt_save_orig_buffer 4 19288 NULL nohasharray
119627 +cfg80211_rx_unprot_mlme_mgmt_19288 cfg80211_rx_unprot_mlme_mgmt 3 19288 &batadv_tt_save_orig_buffer_19288
119628 +qc_capture_19298 qc_capture 3 19298 NULL
119629 +ocfs2_prepare_inode_for_refcount_19303 ocfs2_prepare_inode_for_refcount 4-3 19303 NULL
119630 +event_tx_stuck_read_19305 event_tx_stuck_read 3 19305 NULL
119631 +debug_read_19322 debug_read 3 19322 NULL
119632 +lbs_host_sleep_write_19332 lbs_host_sleep_write 3 19332 NULL nohasharray
119633 +cfg80211_inform_bss_19332 cfg80211_inform_bss 8 19332 &lbs_host_sleep_write_19332
119634 +closure_sub_19359 closure_sub 2 19359 NULL
119635 +firmware_data_write_19360 firmware_data_write 6-5 19360 NULL
119636 +read_zero_19366 read_zero 3 19366 NULL
119637 +interpret_user_input_19393 interpret_user_input 2 19393 NULL
119638 +sync_fill_pt_info_19397 sync_fill_pt_info 0 19397 NULL
119639 +pep_recvmsg_19402 pep_recvmsg 4 19402 NULL
119640 +hid_hw_raw_request_19408 hid_hw_raw_request 0 19408 NULL
119641 +dvbdmx_write_19423 dvbdmx_write 3 19423 NULL
119642 +SyS_sched_getaffinity_19444 SyS_sched_getaffinity 2 19444 NULL
119643 +xfrm_alg_auth_len_19454 xfrm_alg_auth_len 0 19454 NULL
119644 +gnet_stats_copy_19458 gnet_stats_copy 4 19458 NULL
119645 +gp2ap020a00f_get_thresh_reg_19468 gp2ap020a00f_get_thresh_reg 0 19468 NULL
119646 +sky2_read16_19475 sky2_read16 0 19475 NULL
119647 +__read_status_pciv2_19492 __read_status_pciv2 0 19492 NULL
119648 +kstrtoll_from_user_19500 kstrtoll_from_user 2 19500 NULL
119649 +ext4_add_new_descs_19509 ext4_add_new_descs 3 19509 NULL
119650 +batadv_tvlv_container_register_19520 batadv_tvlv_container_register 5 19520 NULL
119651 +ttm_dma_page_pool_free_19527 ttm_dma_page_pool_free 2-0 19527 NULL
119652 +cfc_write_array_to_buffer_19529 cfc_write_array_to_buffer 3 19529 NULL
119653 +nfc_llcp_build_tlv_19536 nfc_llcp_build_tlv 3 19536 NULL
119654 +gfn_to_index_19558 gfn_to_index 0-1-3-2 19558 NULL
119655 +ocfs2_control_message_19564 ocfs2_control_message 3 19564 NULL
119656 +nfsd_read_19568 nfsd_read 5 19568 NULL
119657 +ieee80211_key_alloc_19575 ieee80211_key_alloc 3 19575 NULL
119658 +bm_status_read_19583 bm_status_read 3 19583 NULL
119659 +load_xattr_datum_19594 load_xattr_datum 0 19594 NULL
119660 +drbg_sec_strength_19604 drbg_sec_strength 0 19604 NULL
119661 +__mei_cl_recv_19636 __mei_cl_recv 3 19636 NULL
119662 +parser_init_19651 parser_init 2 19651 NULL
119663 +LoadBitmap_19658 LoadBitmap 2 19658 NULL
119664 +memblock_virt_alloc_low_nopanic_19714 memblock_virt_alloc_low_nopanic 1 19714 NULL
119665 +read_reg_19723 read_reg 0 19723 NULL
119666 +wm8350_block_write_19727 wm8350_block_write 2-3 19727 NULL
119667 +memcpy_toiovecend_19736 memcpy_toiovecend 4-3 19736 NULL
119668 +snd_es1968_get_dma_ptr_19747 snd_es1968_get_dma_ptr 0 19747 NULL
119669 +p9_client_read_19750 p9_client_read 5-0 19750 NULL
119670 +pnpbios_proc_write_19758 pnpbios_proc_write 3 19758 NULL
119671 +ocfs2_readpages_19759 ocfs2_readpages 4 19759 NULL
119672 +jffs2_acl_from_medium_19762 jffs2_acl_from_medium 2 19762 NULL
119673 +readhscx_19769 readhscx 0 19769 NULL
119674 +ath10k_write_htt_max_amsdu_ampdu_19820 ath10k_write_htt_max_amsdu_ampdu 3 19820 NULL
119675 +irda_setsockopt_19824 irda_setsockopt 5 19824 NULL
119676 +vfs_getxattr_19832 vfs_getxattr 0 19832 NULL
119677 +crypt_alloc_buffer_19846 crypt_alloc_buffer 2 19846 NULL
119678 +cfg80211_mlme_register_mgmt_19852 cfg80211_mlme_register_mgmt 5 19852 NULL
119679 +__nla_put_19857 __nla_put 3 19857 NULL
119680 +mrp_request_join_19882 mrp_request_join 4 19882 NULL
119681 +aes_decrypt_interrupt_read_19910 aes_decrypt_interrupt_read 3 19910 NULL
119682 +ps_upsd_max_apturn_read_19918 ps_upsd_max_apturn_read 3 19918 NULL
119683 +mangle_name_19923 mangle_name 0 19923 NULL
119684 +tipc_sk_show_19928 tipc_sk_show 3-0 19928 NULL
119685 +cgroup_task_count_19930 cgroup_task_count 0 19930 NULL
119686 +guest_read_tsc_19931 guest_read_tsc 0 19931 NULL
119687 +azx_get_pos_lpib_19933 azx_get_pos_lpib 0 19933 NULL
119688 +v4l2_ctrl_new_19942 v4l2_ctrl_new 8-12 19942 NULL
119689 +iwl_dbgfs_rx_queue_read_19943 iwl_dbgfs_rx_queue_read 3 19943 NULL
119690 +cfg80211_rx_assoc_resp_19944 cfg80211_rx_assoc_resp 4 19944 NULL
119691 +ll_xattr_cache_list_19954 ll_xattr_cache_list 0 19954 NULL
119692 +get_jack_mode_name_19976 get_jack_mode_name 4 19976 NULL
119693 +attach_hdlc_protocol_19986 attach_hdlc_protocol 3 19986 NULL
119694 +rtw_set_wps_probe_resp_19989 rtw_set_wps_probe_resp 3 19989 NULL nohasharray
119695 +i40e_reserve_msix_vectors_19989 i40e_reserve_msix_vectors 2 19989 &rtw_set_wps_probe_resp_19989
119696 +lustre_pack_request_19992 lustre_pack_request 3 19992 NULL
119697 +find_overflow_devnum_19995 find_overflow_devnum 0 19995 NULL
119698 +diva_um_idi_read_20003 diva_um_idi_read 0 20003 NULL
119699 +lov_stripe_md_size_20009 lov_stripe_md_size 0-1 20009 NULL nohasharray
119700 +event_trigger_write_20009 event_trigger_write 3 20009 &lov_stripe_md_size_20009
119701 +tree_mod_log_eb_move_20011 tree_mod_log_eb_move 5 20011 NULL
119702 +SYSC_fgetxattr_20027 SYSC_fgetxattr 4 20027 NULL
119703 +split_scan_timeout_read_20029 split_scan_timeout_read 3 20029 NULL
119704 +iwl_mvm_power_mac_dbgfs_read_20067 iwl_mvm_power_mac_dbgfs_read 0-4 20067 NULL
119705 +target_message_20072 target_message 2 20072 NULL
119706 +rawv6_sendmsg_20080 rawv6_sendmsg 4 20080 NULL
119707 +fuse_conn_limit_read_20084 fuse_conn_limit_read 3 20084 NULL
119708 +aat2870_reg_write_file_20086 aat2870_reg_write_file 3 20086 NULL
119709 +team_options_register_20091 team_options_register 3 20091 NULL
119710 +qla2x00_adjust_sdev_qdepth_up_20097 qla2x00_adjust_sdev_qdepth_up 2 20097 NULL
119711 +root_nfs_copy_20111 root_nfs_copy 3 20111 NULL
119712 +hptiop_adjust_disk_queue_depth_20122 hptiop_adjust_disk_queue_depth 2 20122 NULL
119713 +ext4_ext_direct_IO_20165 ext4_ext_direct_IO 4 20165 NULL
119714 +tomoyo_commit_ok_20167 tomoyo_commit_ok 2 20167 NULL
119715 +read_flush_pipefs_20171 read_flush_pipefs 3 20171 NULL
119716 +wep_addr_key_count_read_20174 wep_addr_key_count_read 3 20174 NULL
119717 +crystalhd_map_dio_20181 crystalhd_map_dio 3 20181 NULL
119718 +pvr2_ctrl_value_to_sym_20229 pvr2_ctrl_value_to_sym 5 20229 NULL
119719 +rose_sendmsg_20249 rose_sendmsg 4 20249 NULL
119720 +tm6000_i2c_send_regs_20250 tm6000_i2c_send_regs 5 20250 NULL
119721 +btrfs_header_nritems_20296 btrfs_header_nritems 0 20296 NULL
119722 +r10_sync_page_io_20307 r10_sync_page_io 3 20307 NULL
119723 +dm_get_reserved_bio_based_ios_20315 dm_get_reserved_bio_based_ios 0 20315 NULL
119724 +tx_tx_burst_programmed_read_20320 tx_tx_burst_programmed_read 3 20320 NULL
119725 +vx_send_msg_nolock_20322 vx_send_msg_nolock 0 20322 NULL
119726 +snd_cs4281_BA1_read_20323 snd_cs4281_BA1_read 5 20323 NULL
119727 +gfs2_glock_nq_m_20347 gfs2_glock_nq_m 1 20347 NULL
119728 +handle_arr_calc_size_20355 handle_arr_calc_size 0-1 20355 NULL
119729 +smk_set_cipso_20379 smk_set_cipso 3 20379 NULL
119730 +snd_nm256_readl_20394 snd_nm256_readl 0 20394 NULL
119731 +SyS_get_mempolicy_20399 SyS_get_mempolicy 3 20399 NULL nohasharray
119732 +__kfifo_from_user_20399 __kfifo_from_user 3 20399 &SyS_get_mempolicy_20399
119733 +compat_ipv6_setsockopt_20468 compat_ipv6_setsockopt 5 20468 NULL
119734 +read_buf_20469 read_buf 2 20469 NULL
119735 +bio_trim_20472 bio_trim 2 20472 NULL
119736 +btrfs_get_32_20476 btrfs_get_32 0 20476 NULL
119737 +xfs_iext_realloc_direct_20521 xfs_iext_realloc_direct 2 20521 NULL
119738 +drbd_bm_resize_20522 drbd_bm_resize 2 20522 NULL
119739 +amd_create_gatt_pages_20537 amd_create_gatt_pages 1 20537 NULL
119740 +scsi_report_opcode_20551 scsi_report_opcode 3 20551 NULL
119741 +venus_create_20555 venus_create 4 20555 NULL
119742 +btrfs_super_log_root_20565 btrfs_super_log_root 0 20565 NULL
119743 +crypto_ahash_reqsize_20569 crypto_ahash_reqsize 0 20569 NULL
119744 +kvm_test_age_hva_20593 kvm_test_age_hva 2 20593 NULL
119745 +set_secure_conn_20596 set_secure_conn 4 20596 NULL
119746 +sync_timeline_create_20601 sync_timeline_create 2 20601 NULL
119747 +lirc_write_20604 lirc_write 3 20604 NULL
119748 +qib_qsfp_write_20614 qib_qsfp_write 0-4-2 20614 NULL
119749 +snd_pcm_oss_prepare_20641 snd_pcm_oss_prepare 0 20641 NULL
119750 +get_extent_skip_holes_20642 get_extent_skip_holes 2 20642 NULL
119751 +kfifo_copy_to_user_20646 kfifo_copy_to_user 3-4 20646 NULL
119752 +cpulist_scnprintf_20648 cpulist_scnprintf 2-0 20648 NULL
119753 +oz_add_farewell_20652 oz_add_farewell 5 20652 NULL
119754 +oz_cdev_read_20659 oz_cdev_read 3 20659 NULL
119755 +snd_hdsp_playback_copy_20676 snd_hdsp_playback_copy 5 20676 NULL
119756 +dvb_dmxdev_buffer_read_20682 dvb_dmxdev_buffer_read 0-4 20682 NULL
119757 +cpumask_size_20683 cpumask_size 0 20683 NULL
119758 +btrfs_node_blockptr_20685 btrfs_node_blockptr 0 20685 NULL
119759 +xpcs_reg_addr_write_20694 xpcs_reg_addr_write 3 20694 NULL
119760 +read_file_tgt_int_stats_20697 read_file_tgt_int_stats 3 20697 NULL
119761 +__maestro_read_20700 __maestro_read 0 20700 NULL
119762 +cipso_v4_gentag_rng_20703 cipso_v4_gentag_rng 0 20703 NULL
119763 +pcpu_page_first_chunk_20712 pcpu_page_first_chunk 1 20712 NULL
119764 +hfs_direct_IO_20714 hfs_direct_IO 4 20714 NULL
119765 +ocfs2_read_xattr_bucket_20722 ocfs2_read_xattr_bucket 0 20722 NULL
119766 +security_context_to_sid_force_20724 security_context_to_sid_force 2 20724 NULL
119767 +fb_prepare_logo_20743 fb_prepare_logo 0 20743 NULL
119768 +vol_cdev_direct_write_20751 vol_cdev_direct_write 3 20751 NULL
119769 +ocfs2_align_bytes_to_clusters_20754 ocfs2_align_bytes_to_clusters 2 20754 NULL
119770 +brcmf_p2p_escan_20763 brcmf_p2p_escan 2 20763 NULL
119771 +fb_alloc_cmap_gfp_20792 fb_alloc_cmap_gfp 2 20792 NULL
119772 +iwl_dbgfs_rxon_flags_read_20795 iwl_dbgfs_rxon_flags_read 3 20795 NULL
119773 +edid_write_20797 edid_write 3 20797 NULL
119774 +lowpan_write_20800 lowpan_write 3 20800 NULL
119775 +strndup_user_20819 strndup_user 2 20819 NULL
119776 +tipc_msg_build_20825 tipc_msg_build 3 20825 NULL
119777 +wl1271_format_buffer_20834 wl1271_format_buffer 2 20834 NULL
119778 +uvc_alloc_entity_20836 uvc_alloc_entity 4-3 20836 NULL
119779 +p9_tag_alloc_20845 p9_tag_alloc 3 20845 NULL
119780 +nvme_trans_supported_vpd_pages_20847 nvme_trans_supported_vpd_pages 4 20847 NULL
119781 +get_name_20855 get_name 4 20855 NULL
119782 +iwl_dbgfs_pm_params_read_20866 iwl_dbgfs_pm_params_read 3 20866 NULL
119783 +snd_pcm_capture_avail_20867 snd_pcm_capture_avail 0 20867 NULL
119784 +srq_free_res_20868 srq_free_res 5 20868 NULL
119785 +cfs_cpt_table_create_20884 cfs_cpt_table_create 1 20884 NULL
119786 +req_capsule_filled_sizes_20888 req_capsule_filled_sizes 0 20888 NULL
119787 +rb_simple_write_20890 rb_simple_write 3 20890 NULL
119788 +sisusb_send_packet_20891 sisusb_send_packet 2 20891 NULL
119789 +key_icverrors_read_20895 key_icverrors_read 3 20895 NULL
119790 +vfio_msi_enable_20906 vfio_msi_enable 2 20906 NULL
119791 +lbs_rdbbp_write_20918 lbs_rdbbp_write 3 20918 NULL
119792 +htable_bits_20933 htable_bits 0 20933 NULL
119793 +cfg80211_rx_assoc_resp_20934 cfg80211_rx_assoc_resp 4 20934 NULL
119794 +altera_set_ir_post_20948 altera_set_ir_post 2 20948 NULL
119795 +rx_rx_phy_hdr_read_20950 rx_rx_phy_hdr_read 3 20950 NULL
119796 +rsxx_cram_read_20957 rsxx_cram_read 3 20957 NULL
119797 +nfs_map_name_to_uid_20962 nfs_map_name_to_uid 3 20962 NULL
119798 +snd_rme9652_playback_copy_20970 snd_rme9652_playback_copy 5 20970 NULL
119799 +alg_setsockopt_20985 alg_setsockopt 5 20985 NULL
119800 +qib_verbs_send_20999 qib_verbs_send 5-3 20999 NULL
119801 +btrfs_inode_ref_name_len_21024 btrfs_inode_ref_name_len 0 21024 NULL
119802 +arch_gnttab_init_21030 arch_gnttab_init 1 21030 NULL
119803 +rx_defrag_tkip_called_read_21031 rx_defrag_tkip_called_read 3 21031 NULL
119804 +srp_change_queue_depth_21038 srp_change_queue_depth 2 21038 NULL
119805 +fsl_edma_prep_dma_cyclic_21042 fsl_edma_prep_dma_cyclic 4-3 21042 NULL
119806 +lbs_threshold_read_21046 lbs_threshold_read 5 21046 NULL
119807 +proc_fault_inject_write_21058 proc_fault_inject_write 3 21058 NULL
119808 +qdisc_get_default_21072 qdisc_get_default 2 21072 NULL
119809 +event_calibration_read_21083 event_calibration_read 3 21083 NULL
119810 +bl_add_page_to_bio_21094 bl_add_page_to_bio 2 21094 NULL nohasharray
119811 +multipath_status_21094 multipath_status 5 21094 &bl_add_page_to_bio_21094
119812 +rate_control_pid_events_read_21099 rate_control_pid_events_read 3 21099 NULL
119813 +ath6kl_send_go_probe_resp_21113 ath6kl_send_go_probe_resp 3 21113 NULL
119814 +_efx_mcdi_rpc_async_21119 _efx_mcdi_rpc_async 4-5 21119 NULL
119815 +i2400m_rx_trace_21127 i2400m_rx_trace 3 21127 NULL
119816 +mei_dbgfs_read_active_21172 mei_dbgfs_read_active 3 21172 NULL
119817 +bioset_create_nobvec_21180 bioset_create_nobvec 1 21180 NULL
119818 +cx18_v4l2_read_21196 cx18_v4l2_read 3 21196 NULL
119819 +ipc_rcu_alloc_21208 ipc_rcu_alloc 1 21208 NULL
119820 +scsi_execute_req_flags_21215 scsi_execute_req_flags 5 21215 NULL
119821 +get_numpages_21227 get_numpages 0-1-2 21227 NULL
119822 +input_ff_create_21240 input_ff_create 2 21240 NULL
119823 +cfg80211_notify_new_peer_candidate_21242 cfg80211_notify_new_peer_candidate 4 21242 NULL
119824 +fru_length_21257 fru_length 0 21257 NULL
119825 +rtw_set_wps_beacon_21262 rtw_set_wps_beacon 3 21262 NULL
119826 +ocfs2_blocks_for_bytes_21268 ocfs2_blocks_for_bytes 0-2 21268 NULL
119827 +drm_universal_plane_init_21296 drm_universal_plane_init 6 21296 NULL
119828 +do_msg_fill_21307 do_msg_fill 3 21307 NULL
119829 +add_res_range_21310 add_res_range 4 21310 NULL
119830 +get_zeroed_page_21322 get_zeroed_page 0 21322 NULL
119831 +ftrace_profile_read_21327 ftrace_profile_read 3 21327 NULL
119832 +read_file_bool_bmps_21344 read_file_bool_bmps 3 21344 NULL
119833 +azx_get_delay_from_lpib_21348 azx_get_delay_from_lpib 3 21348 NULL
119834 +gfs2_ea_get_copy_21353 gfs2_ea_get_copy 0 21353 NULL
119835 +allocate_cmdlines_buffer_21355 allocate_cmdlines_buffer 1 21355 NULL
119836 +alloc_orinocodev_21371 alloc_orinocodev 1 21371 NULL
119837 +SYSC_rt_sigpending_21379 SYSC_rt_sigpending 2 21379 NULL
119838 +video_ioctl2_21380 video_ioctl2 2 21380 NULL
119839 +insert_ptr_21386 insert_ptr 6 21386 NULL
119840 +diva_get_driver_dbg_mask_21399 diva_get_driver_dbg_mask 0 21399 NULL
119841 +snd_m3_inw_21406 snd_m3_inw 0 21406 NULL
119842 +usnic_ib_dump_vf_hdr_21423 usnic_ib_dump_vf_hdr 3 21423 NULL
119843 +snapshot_read_next_21426 snapshot_read_next 0 21426 NULL
119844 +tcp_bound_to_half_wnd_21429 tcp_bound_to_half_wnd 0-2 21429 NULL
119845 +aggr_size_tx_agg_vs_rate_read_21438 aggr_size_tx_agg_vs_rate_read 3 21438 NULL
119846 +nouveau_clock_create__21449 nouveau_clock_create_ 8 21449 NULL
119847 +__ertm_hdr_size_21450 __ertm_hdr_size 0 21450 NULL
119848 +mei_nfc_send_21477 mei_nfc_send 3 21477 NULL
119849 +read_file_xmit_21487 read_file_xmit 3 21487 NULL
119850 +mmc_alloc_sg_21504 mmc_alloc_sg 1 21504 NULL
119851 +il_dbgfs_stations_read_21532 il_dbgfs_stations_read 3 21532 NULL
119852 +cipso_v4_map_cat_enum_hton_21540 cipso_v4_map_cat_enum_hton 0 21540 NULL
119853 +rxrpc_send_data_21553 rxrpc_send_data 5 21553 NULL
119854 +rx_rx_beacon_early_term_read_21559 rx_rx_beacon_early_term_read 3 21559 NULL
119855 +xfs_buf_read_uncached_21585 xfs_buf_read_uncached 3 21585 NULL
119856 +snd_es18xx_mixer_read_21586 snd_es18xx_mixer_read 0 21586 NULL
119857 +ocfs2_acl_from_xattr_21604 ocfs2_acl_from_xattr 2 21604 NULL
119858 +filemap_get_page_21606 filemap_get_page 2 21606 NULL
119859 +ocfs2_refcount_cow_hunk_21630 ocfs2_refcount_cow_hunk 3-4 21630 NULL
119860 +__jfs_getxattr_21631 __jfs_getxattr 0 21631 NULL
119861 +atalk_sendmsg_21677 atalk_sendmsg 4 21677 NULL
119862 +ocfs2_xattr_get_nolock_21678 ocfs2_xattr_get_nolock 0 21678 NULL
119863 +regmap_register_patch_21681 regmap_register_patch 3 21681 NULL
119864 +rtllib_alloc_txb_21687 rtllib_alloc_txb 1 21687 NULL nohasharray
119865 +proc_maps_open_21687 proc_maps_open 4 21687 &rtllib_alloc_txb_21687
119866 +evdev_ioctl_handler_21705 evdev_ioctl_handler 2 21705 NULL
119867 +unix_skb_len_21722 unix_skb_len 0 21722 NULL
119868 +lprocfs_wr_import_21728 lprocfs_wr_import 3 21728 NULL
119869 +mthca_alloc_init_21754 mthca_alloc_init 2 21754 NULL
119870 +usbat_flash_read_data_21762 usbat_flash_read_data 4 21762 NULL
119871 +gen_pool_add_21776 gen_pool_add 3 21776 NULL
119872 +xfs_da_grow_inode_int_21785 xfs_da_grow_inode_int 3 21785 NULL
119873 +dvb_generic_ioctl_21810 dvb_generic_ioctl 2 21810 NULL
119874 +_iwl_dbgfs_sta_drain_write_21837 _iwl_dbgfs_sta_drain_write 3 21837 NULL
119875 +oom_adj_read_21847 oom_adj_read 3 21847 NULL
119876 +lpfc_idiag_extacc_avail_get_21865 lpfc_idiag_extacc_avail_get 0-3 21865 NULL
119877 +brcms_debugfs_hardware_read_21867 brcms_debugfs_hardware_read 3 21867 NULL
119878 +msix_capability_init_21870 msix_capability_init 0 21870 NULL
119879 +sisusbcon_bmove_21873 sisusbcon_bmove 6-5-7 21873 NULL
119880 +ldlm_lock_create_21888 ldlm_lock_create 7 21888 NULL
119881 +__btrfs_direct_write_21894 __btrfs_direct_write 3 21894 NULL
119882 +dbAllocCtl_21911 dbAllocCtl 0 21911 NULL nohasharray
119883 +nvme_submit_sync_cmd_21911 nvme_submit_sync_cmd 0 21911 &dbAllocCtl_21911
119884 +qsfp_1_read_21915 qsfp_1_read 3 21915 NULL
119885 +twl_i2c_write_u16_21953 twl_i2c_write_u16 3 21953 NULL
119886 +__build_xattrs_21979 __build_xattrs 0 21979 NULL
119887 +SYSC_prctl_21980 SYSC_prctl 4 21980 NULL
119888 +compat_rw_copy_check_uvector_22001 compat_rw_copy_check_uvector 0-3 22001 NULL nohasharray
119889 +rxpipe_descr_host_int_trig_rx_data_read_22001 rxpipe_descr_host_int_trig_rx_data_read 3 22001 &compat_rw_copy_check_uvector_22001
119890 +regcache_sync_block_raw_flush_22021 regcache_sync_block_raw_flush 3-4 22021 NULL
119891 +btrfs_get_16_22023 btrfs_get_16 0 22023 NULL
119892 +_sp2d_min_pg_22032 _sp2d_min_pg 0 22032 NULL
119893 +zd_usb_read_fw_22049 zd_usb_read_fw 4 22049 NULL
119894 +ieee80211_if_fmt_dropped_frames_ttl_22054 ieee80211_if_fmt_dropped_frames_ttl 3 22054 NULL
119895 +btrfs_reloc_clone_csums_22077 btrfs_reloc_clone_csums 2-3 22077 NULL
119896 +mem_rw_22085 mem_rw 3 22085 NULL
119897 +kstrtos32_from_user_22087 kstrtos32_from_user 2 22087 NULL
119898 +rt2x00debug_read_crypto_stats_22109 rt2x00debug_read_crypto_stats 3 22109 NULL
119899 +snd_hda_codec_read_22130 snd_hda_codec_read 0 22130 NULL
119900 +SyS_sched_setaffinity_22148 SyS_sched_setaffinity 2 22148 NULL
119901 +do_tcp_sendpages_22155 do_tcp_sendpages 4 22155 NULL
119902 +nve0_aux_mask_22158 nve0_aux_mask 2 22158 NULL
119903 +__kfifo_alloc_22173 __kfifo_alloc 3 22173 NULL
119904 +rfcomm_sock_recvmsg_22227 rfcomm_sock_recvmsg 4 22227 NULL
119905 +mem_write_22232 mem_write 3 22232 NULL
119906 +p9_virtio_zc_request_22240 p9_virtio_zc_request 6-5 22240 NULL
119907 +prepare_to_wait_event_22247 prepare_to_wait_event 0 22247 NULL
119908 +compat_process_vm_rw_22254 compat_process_vm_rw 3-5 22254 NULL
119909 +ping_common_sendmsg_22261 ping_common_sendmsg 5 22261 NULL
119910 +add_res_tree_22263 add_res_tree 7 22263 NULL
119911 +queue_max_sectors_22280 queue_max_sectors 0 22280 NULL
119912 +__tun_chr_ioctl_22300 __tun_chr_ioctl 4 22300 NULL nohasharray
119913 +pci_vpd_srdt_size_22300 pci_vpd_srdt_size 0 22300 &__tun_chr_ioctl_22300
119914 +mesh_table_alloc_22305 mesh_table_alloc 1 22305 NULL
119915 +lov_setstripe_22307 lov_setstripe 2 22307 NULL
119916 +udpv6_sendmsg_22316 udpv6_sendmsg 4 22316 NULL
119917 +C_SYSC_msgrcv_22320 C_SYSC_msgrcv 3 22320 NULL
119918 +atomic_read_22342 atomic_read 0 22342 NULL
119919 +ll_lazystatfs_seq_write_22353 ll_lazystatfs_seq_write 3 22353 NULL
119920 +snd_pcm_alsa_frames_22363 snd_pcm_alsa_frames 2 22363 NULL
119921 +evdev_ioctl_22371 evdev_ioctl 2 22371 NULL
119922 +alloc_large_system_hash_22391 alloc_large_system_hash 2 22391 NULL
119923 +zoran_write_22404 zoran_write 3 22404 NULL
119924 +queue_reply_22416 queue_reply 3 22416 NULL
119925 +__set_enter_print_fmt_22431 __set_enter_print_fmt 0 22431 NULL
119926 +queue_max_segments_22441 queue_max_segments 0 22441 NULL
119927 +handle_received_packet_22457 handle_received_packet 3 22457 NULL
119928 +ecryptfs_write_22488 ecryptfs_write 4-3 22488 NULL
119929 +qib_user_sdma_alloc_header_22490 qib_user_sdma_alloc_header 2 22490 NULL nohasharray
119930 +video_write_22490 video_write 3 22490 &qib_user_sdma_alloc_header_22490
119931 +cache_write_procfs_22491 cache_write_procfs 3 22491 NULL
119932 +mutex_lock_interruptible_22505 mutex_lock_interruptible 0 22505 NULL
119933 +trim_no_bitmap_22524 trim_no_bitmap 4-3 22524 NULL
119934 +ntb_setup_bwd_msix_22549 ntb_setup_bwd_msix 2 22549 NULL
119935 +ocfs2_read_extent_block_22550 ocfs2_read_extent_block 0 22550 NULL
119936 +agp_alloc_page_array_22554 agp_alloc_page_array 1 22554 NULL
119937 +dbFindCtl_22587 dbFindCtl 0 22587 NULL
119938 +cfs_expr_list_values_22600 cfs_expr_list_values 0 22600 NULL
119939 +snapshot_read_22601 snapshot_read 3 22601 NULL
119940 +sctp_setsockopt_connectx_old_22631 sctp_setsockopt_connectx_old 3 22631 NULL
119941 +ide_core_cp_entry_22636 ide_core_cp_entry 3 22636 NULL
119942 +wl1271_rx_filter_get_fields_size_22638 wl1271_rx_filter_get_fields_size 0 22638 NULL
119943 +pwr_wake_on_timer_exp_read_22640 pwr_wake_on_timer_exp_read 3 22640 NULL
119944 +iwl_dbgfs_calib_disabled_read_22649 iwl_dbgfs_calib_disabled_read 3 22649 NULL
119945 +compat_SyS_msgrcv_22661 compat_SyS_msgrcv 3 22661 NULL
119946 +l2tp_ip_recvmsg_22681 l2tp_ip_recvmsg 4 22681 NULL
119947 +bch_dump_read_22685 bch_dump_read 3 22685 NULL
119948 +reg_umr_22686 reg_umr 5 22686 NULL
119949 +SYSC_vmsplice_22697 SYSC_vmsplice 3 22697 NULL
119950 +nr_cpusets_22705 nr_cpusets 0 22705 NULL
119951 +alloc_libipw_22708 alloc_libipw 1 22708 NULL
119952 +cx18_copy_buf_to_user_22735 cx18_copy_buf_to_user 4-0 22735 NULL
119953 +ceph_decode_32_22738 ceph_decode_32 0 22738 NULL nohasharray
119954 +__mei_cl_send_22738 __mei_cl_send 3 22738 &ceph_decode_32_22738
119955 +iio_debugfs_write_reg_22742 iio_debugfs_write_reg 3 22742 NULL
119956 +qlcnic_sriov_init_22762 qlcnic_sriov_init 2 22762 NULL
119957 +print_frame_22769 print_frame 0 22769 NULL
119958 +ftrace_arch_read_dyn_info_22773 ftrace_arch_read_dyn_info 0 22773 NULL
119959 +vnic_dev_get_res_count_22791 vnic_dev_get_res_count 0 22791 NULL
119960 +__generic_copy_to_user_intel_22806 __generic_copy_to_user_intel 0-3 22806 NULL
119961 +create_attr_set_22861 create_attr_set 1 22861 NULL
119962 +hash_ip6_expire_22867 hash_ip6_expire 4 22867 NULL
119963 +vmw_execbuf_process_22885 vmw_execbuf_process 5 22885 NULL
119964 +usblp_new_writeurb_22894 usblp_new_writeurb 2 22894 NULL
119965 +mdc800_device_read_22896 mdc800_device_read 3 22896 NULL
119966 +ion_handle_test_kernel_22900 ion_handle_test_kernel 4-3 22900 NULL nohasharray
119967 +policy_emit_config_values_22900 policy_emit_config_values 3 22900 &ion_handle_test_kernel_22900
119968 +nfs4_acl_bytes_22915 nfs4_acl_bytes 0-1 22915 NULL
119969 +__set_xattr_22923 __set_xattr 0 22923 NULL
119970 +xstateregs_set_22932 xstateregs_set 4 22932 NULL
119971 +pcpu_mem_zalloc_22948 pcpu_mem_zalloc 1 22948 NULL
119972 +alloc_sglist_22960 alloc_sglist 2-3 22960 NULL
119973 +caif_seqpkt_sendmsg_22961 caif_seqpkt_sendmsg 4 22961 NULL
119974 +vme_get_size_22964 vme_get_size 0 22964 NULL
119975 +tx_frag_key_not_found_read_22971 tx_frag_key_not_found_read 3 22971 NULL
119976 +cached_dev_cache_miss_22979 cached_dev_cache_miss 4 22979 NULL
119977 +usb_get_langid_22983 usb_get_langid 0 22983 NULL
119978 +remote_settings_file_write_22987 remote_settings_file_write 3 22987 NULL
119979 +viafb_dvp0_proc_write_23023 viafb_dvp0_proc_write 3 23023 NULL
119980 +cifs_local_to_utf16_bytes_23025 cifs_local_to_utf16_bytes 0 23025 NULL
119981 +ocfs2_refcount_cow_xattr_23029 ocfs2_refcount_cow_xattr 6-7 23029 NULL
119982 +st_status_23032 st_status 5 23032 NULL
119983 +nv50_disp_chan_create__23056 nv50_disp_chan_create_ 5 23056 NULL
119984 +comedi_buf_write_n_available_23057 comedi_buf_write_n_available 0 23057 NULL
119985 +reiserfs_add_entry_23062 reiserfs_add_entry 4 23062 NULL nohasharray
119986 +unix_seqpacket_recvmsg_23062 unix_seqpacket_recvmsg 4 23062 &reiserfs_add_entry_23062
119987 +mei_cl_send_23068 mei_cl_send 3 23068 NULL
119988 +kvm_mmu_gva_to_gpa_write_23075 kvm_mmu_gva_to_gpa_write 0 23075 NULL
119989 +raw_sendmsg_23078 raw_sendmsg 4 23078 NULL
119990 +get_user_hdr_len_23079 get_user_hdr_len 0 23079 NULL
119991 +isr_tx_procs_read_23084 isr_tx_procs_read 3 23084 NULL
119992 +rt2x00debug_write_eeprom_23091 rt2x00debug_write_eeprom 3 23091 NULL
119993 +ntfs_ucstonls_23097 ntfs_ucstonls 3-5 23097 NULL
119994 +dgram_recvmsg_23104 dgram_recvmsg 4 23104 NULL
119995 +mwl8k_cmd_set_beacon_23110 mwl8k_cmd_set_beacon 4 23110 NULL
119996 +bset_tree_bytes_23111 bset_tree_bytes 0 23111 NULL nohasharray
119997 +nl80211_send_rx_auth_23111 nl80211_send_rx_auth 4 23111 &bset_tree_bytes_23111
119998 +__clear_user_23118 __clear_user 0-2 23118 NULL
119999 +drm_mode_create_tv_properties_23122 drm_mode_create_tv_properties 2 23122 NULL
120000 +ata_scsi_change_queue_depth_23126 ata_scsi_change_queue_depth 2 23126 NULL
120001 +read_file_ani_23161 read_file_ani 3 23161 NULL
120002 +usblp_write_23178 usblp_write 3 23178 NULL
120003 +gss_pipe_downcall_23182 gss_pipe_downcall 3 23182 NULL
120004 +mpi_alloc_limb_space_23190 mpi_alloc_limb_space 1 23190 NULL
120005 +tipc_sendmcast_23214 tipc_sendmcast 4 23214 NULL
120006 +mcryptd_alloc_instance_23221 mcryptd_alloc_instance 2-3 23221 NULL
120007 +nft_hash_tbl_alloc_23224 nft_hash_tbl_alloc 1 23224 NULL
120008 +tty_buffer_request_room_23228 tty_buffer_request_room 2-0 23228 NULL
120009 +xlog_get_bp_23229 xlog_get_bp 2 23229 NULL nohasharray
120010 +__read_status_pci_23229 __read_status_pci 0 23229 &xlog_get_bp_23229
120011 +ft1000_read_dpram_mag_32_23232 ft1000_read_dpram_mag_32 0 23232 NULL
120012 +rxrpc_client_sendmsg_23236 rxrpc_client_sendmsg 5 23236 NULL
120013 +__gfn_to_rmap_23240 __gfn_to_rmap 1-2 23240 NULL
120014 +nv50_ram_create__23241 nv50_ram_create_ 4 23241 NULL
120015 +sctp_recvmsg_23265 sctp_recvmsg 4 23265 NULL
120016 +uwb_dev_addr_print_23282 uwb_dev_addr_print 2 23282 NULL
120017 +ec_i2c_count_message_23285 ec_i2c_count_message 0-2 23285 NULL
120018 +diva_get_trace_filter_23286 diva_get_trace_filter 0 23286 NULL
120019 +i2cdev_write_23310 i2cdev_write 3 23310 NULL
120020 +__aa_kvmalloc_23320 __aa_kvmalloc 1 23320 NULL
120021 +page_readlink_23346 page_readlink 3 23346 NULL
120022 +kmem_zalloc_large_23351 kmem_zalloc_large 1 23351 NULL
120023 +get_dst_timing_23358 get_dst_timing 0 23358 NULL
120024 +fd_setup_write_same_buf_23369 fd_setup_write_same_buf 3 23369 NULL
120025 +iscsi_change_queue_depth_23416 iscsi_change_queue_depth 2 23416 NULL
120026 +ocfs2_zero_tail_23447 ocfs2_zero_tail 3 23447 NULL
120027 +hidraw_send_report_23449 hidraw_send_report 3 23449 NULL
120028 +__ata_change_queue_depth_23484 __ata_change_queue_depth 3 23484 NULL
120029 +linear_conf_23485 linear_conf 2 23485 NULL
120030 +event_filter_read_23494 event_filter_read 3 23494 NULL
120031 +lustre_acl_xattr_merge2ext_23502 lustre_acl_xattr_merge2ext 2 23502 NULL
120032 +devm_iio_device_alloc_23511 devm_iio_device_alloc 2 23511 NULL
120033 +__proc_cpt_table_23516 __proc_cpt_table 5 23516 NULL
120034 +hash_ipmark6_expire_23518 hash_ipmark6_expire 4 23518 NULL
120035 +ima_show_measurements_count_23536 ima_show_measurements_count 3 23536 NULL
120036 +tcp_current_mss_23552 tcp_current_mss 0 23552 NULL
120037 +btrfs_super_bytenr_23561 btrfs_super_bytenr 0 23561 NULL
120038 +venus_symlink_23570 venus_symlink 6-4 23570 NULL
120039 +iwl_dbgfs_interrupt_read_23574 iwl_dbgfs_interrupt_read 3 23574 NULL
120040 +xfpregs_get_23586 xfpregs_get 4 23586 NULL
120041 +snd_interval_min_23590 snd_interval_min 0 23590 NULL
120042 +islpci_mgt_transaction_23610 islpci_mgt_transaction 5 23610 NULL
120043 +__i2400mu_send_barker_23652 __i2400mu_send_barker 3 23652 NULL
120044 +sInW_23663 sInW 0 23663 NULL
120045 +SyS_connect_23669 SyS_connect 3 23669 NULL
120046 +cx18_read_23699 cx18_read 3 23699 NULL
120047 +at_get_23708 at_get 0 23708 NULL
120048 +get_conn_info_23723 get_conn_info 4 23723 NULL
120049 +rx_rx_dropped_frame_read_23748 rx_rx_dropped_frame_read 3 23748 NULL
120050 +__kfifo_max_r_23768 __kfifo_max_r 0-2-1 23768 NULL
120051 +__build_packet_message_23778 __build_packet_message 4-10 23778 NULL
120052 +security_inode_getxattr_23781 security_inode_getxattr 0 23781 NULL
120053 +cfg80211_inform_bss_width_frame_23782 cfg80211_inform_bss_width_frame 5 23782 NULL
120054 +mpt_free_res_23793 mpt_free_res 5 23793 NULL
120055 +map_write_23795 map_write 3 23795 NULL
120056 +rx_path_reset_read_23801 rx_path_reset_read 3 23801 NULL
120057 +__earlyonly_bootmem_alloc_23824 __earlyonly_bootmem_alloc 2 23824 NULL
120058 +lustre_msg_buflen_23827 lustre_msg_buflen 0 23827 NULL
120059 +pgdat_end_pfn_23842 pgdat_end_pfn 0 23842 NULL
120060 +iwl_dbgfs_nvm_read_23845 iwl_dbgfs_nvm_read 3 23845 NULL
120061 +p54_init_common_23850 p54_init_common 1 23850 NULL
120062 +bin_to_hex_dup_23853 bin_to_hex_dup 2 23853 NULL
120063 +ocfs2_xattr_get_clusters_23857 ocfs2_xattr_get_clusters 0 23857 NULL
120064 +ieee80211_if_read_dot11MeshMaxPeerLinks_23878 ieee80211_if_read_dot11MeshMaxPeerLinks 3 23878 NULL
120065 +tipc_snprintf_23893 tipc_snprintf 2-0 23893 NULL
120066 +iov_iter_get_pages_alloc_23903 iov_iter_get_pages_alloc 3-0 23903 NULL
120067 +add_new_gdb_meta_bg_23911 add_new_gdb_meta_bg 3 23911 NULL nohasharray
120068 +ieee80211_if_read_hw_queues_23911 ieee80211_if_read_hw_queues 3 23911 &add_new_gdb_meta_bg_23911
120069 +f2fs_getxattr_23917 f2fs_getxattr 0 23917 NULL
120070 +ipath_reg_phys_mr_23918 ipath_reg_phys_mr 3 23918 NULL nohasharray
120071 +mpihelp_mul_karatsuba_case_23918 mpihelp_mul_karatsuba_case 5-3 23918 &ipath_reg_phys_mr_23918
120072 +kvm_read_guest_23928 kvm_read_guest 4-2 23928 NULL
120073 +uvc_endpoint_max_bpi_23944 uvc_endpoint_max_bpi 0 23944 NULL
120074 +cifs_setxattr_23957 cifs_setxattr 4 23957 NULL
120075 +size_roundup_power2_23958 size_roundup_power2 0-1 23958 NULL
120076 +sddr55_write_data_23983 sddr55_write_data 4 23983 NULL
120077 +zd_usb_iowrite16v_async_23984 zd_usb_iowrite16v_async 3 23984 NULL
120078 +xfs_zero_file_space_24000 xfs_zero_file_space 2-3 24000 NULL
120079 +cxgb_alloc_mem_24007 cxgb_alloc_mem 1 24007 NULL
120080 +give_pages_24021 give_pages 3 24021 NULL
120081 +adis16400_show_serial_number_24037 adis16400_show_serial_number 3 24037 NULL
120082 +hmac_setkey_24043 hmac_setkey 3 24043 NULL
120083 +afs_cell_alloc_24052 afs_cell_alloc 2 24052 NULL
120084 +iwl_dbgfs_low_latency_read_24062 iwl_dbgfs_low_latency_read 3 24062 NULL
120085 +vb2_fop_read_24080 vb2_fop_read 3 24080 NULL
120086 +C_SYSC_process_vm_writev_24102 C_SYSC_process_vm_writev 3-5 24102 NULL
120087 +pipeline_post_proc_swi_read_24108 pipeline_post_proc_swi_read 3 24108 NULL
120088 +request_key_auth_read_24109 request_key_auth_read 3 24109 NULL
120089 +lov_brw_24122 lov_brw 4 24122 NULL
120090 +mpu401_read_24126 mpu401_read 3 24126 NULL
120091 +_picolcd_flash_write_24134 _picolcd_flash_write 4 24134 NULL
120092 +irnet_ctrl_write_24139 irnet_ctrl_write 3 24139 NULL
120093 +SyS_sethostname_24150 SyS_sethostname 2 24150 NULL
120094 +trim_bitmaps_24158 trim_bitmaps 3 24158 NULL
120095 +adu_read_24177 adu_read 3 24177 NULL
120096 +safe_prepare_write_buffer_24187 safe_prepare_write_buffer 3 24187 NULL
120097 +nv94_aux_24197 nv94_aux 3-6 24197 NULL
120098 +ieee80211_if_read_dot11MeshHWMPpreqMinInterval_24208 ieee80211_if_read_dot11MeshHWMPpreqMinInterval 3 24208 NULL
120099 +efx_vf_size_24213 efx_vf_size 0 24213 NULL
120100 +tcpprobe_sprint_24222 tcpprobe_sprint 0-2 24222 NULL
120101 +pcpu_embed_first_chunk_24224 pcpu_embed_first_chunk 3-2-1 24224 NULL nohasharray
120102 +mei_amthif_read_24224 mei_amthif_read 4 24224 &pcpu_embed_first_chunk_24224
120103 +pci_num_vf_24235 pci_num_vf 0 24235 NULL
120104 +sel_read_bool_24236 sel_read_bool 3 24236 NULL
120105 +em28xx_alloc_urbs_24260 em28xx_alloc_urbs 4-6 24260 NULL
120106 +calculate_sizes_24273 calculate_sizes 2 24273 NULL
120107 +thin_status_24278 thin_status 5 24278 NULL
120108 +msg_size_24288 msg_size 0 24288 NULL
120109 +btmrvl_pscmd_read_24308 btmrvl_pscmd_read 3 24308 NULL
120110 +ath6kl_add_bss_if_needed_24317 ath6kl_add_bss_if_needed 6 24317 NULL
120111 +si476x_radio_read_acf_blob_24336 si476x_radio_read_acf_blob 3 24336 NULL
120112 +C_SYSC_pwritev_24345 C_SYSC_pwritev 3 24345 NULL
120113 +kzalloc_node_24352 kzalloc_node 1 24352 NULL
120114 +qla2x00_handle_queue_full_24365 qla2x00_handle_queue_full 2 24365 NULL
120115 +cfi_read_pri_24366 cfi_read_pri 3 24366 NULL
120116 +btrfs_item_size_nr_24367 btrfs_item_size_nr 0 24367 NULL
120117 +igetword_24373 igetword 0 24373 NULL
120118 +mpt_alloc_res_24387 mpt_alloc_res 5 24387 NULL
120119 +osc_cur_grant_bytes_seq_write_24396 osc_cur_grant_bytes_seq_write 3 24396 NULL
120120 +getxattr_24398 getxattr 4 24398 NULL nohasharray
120121 +pvr2_v4l2_ioctl_24398 pvr2_v4l2_ioctl 2 24398 &getxattr_24398
120122 +populate_msi_sysfs_24399 populate_msi_sysfs 0 24399 NULL
120123 +blk_update_bidi_request_24415 blk_update_bidi_request 3-4 24415 NULL
120124 +nvme_trans_log_supp_pages_24418 nvme_trans_log_supp_pages 3 24418 NULL
120125 +b43_debugfs_read_24425 b43_debugfs_read 3 24425 NULL
120126 +xenbus_file_read_24427 xenbus_file_read 3 24427 NULL
120127 +ieee80211_rx_mgmt_beacon_24430 ieee80211_rx_mgmt_beacon 3 24430 NULL
120128 +copy_and_ioctl_24434 copy_and_ioctl 4 24434 NULL
120129 +ixgbe_alloc_q_vector_24439 ixgbe_alloc_q_vector 4-6 24439 NULL
120130 +smk_user_access_24440 smk_user_access 3 24440 NULL nohasharray
120131 +rtw_set_wps_assoc_resp_24440 rtw_set_wps_assoc_resp 3 24440 &smk_user_access_24440
120132 +evdev_do_ioctl_24459 evdev_do_ioctl 2 24459 NULL
120133 +lbs_highsnr_write_24460 lbs_highsnr_write 3 24460 NULL
120134 +skb_copy_and_csum_datagram_iovec_24466 skb_copy_and_csum_datagram_iovec 2 24466 NULL
120135 +ttm_page_pool_free_24486 ttm_page_pool_free 2-0 24486 NULL
120136 +dut_mode_read_24489 dut_mode_read 3 24489 NULL
120137 +read_file_spec_scan_ctl_24491 read_file_spec_scan_ctl 3 24491 NULL
120138 +pd_video_read_24510 pd_video_read 3 24510 NULL
120139 +request_key_with_auxdata_24515 request_key_with_auxdata 4 24515 NULL
120140 +xfs_buf_get_map_24522 xfs_buf_get_map 3 24522 NULL
120141 +do_mpage_readpage_24536 do_mpage_readpage 3 24536 NULL
120142 +write_cache_pages_24562 write_cache_pages 0 24562 NULL
120143 +SyS_pselect6_24582 SyS_pselect6 1 24582 NULL
120144 +udf_compute_nr_groups_24594 udf_compute_nr_groups 0 24594 NULL
120145 +sensor_hub_get_physical_device_count_24605 sensor_hub_get_physical_device_count 0 24605 NULL nohasharray
120146 +lov_alloc_memmd_24605 lov_alloc_memmd 2 24605 &sensor_hub_get_physical_device_count_24605 nohasharray
120147 +i915_error_state_buf_init_24605 i915_error_state_buf_init 3 24605 &lov_alloc_memmd_24605
120148 +SyS_poll_24620 SyS_poll 2 24620 NULL
120149 +context_alloc_24645 context_alloc 3 24645 NULL
120150 +blk_rq_err_bytes_24650 blk_rq_err_bytes 0 24650 NULL
120151 +datafab_write_data_24696 datafab_write_data 4 24696 NULL
120152 +intelfbhw_get_p1p2_24703 intelfbhw_get_p1p2 2 24703 NULL
120153 +simple_attr_read_24738 simple_attr_read 3 24738 NULL
120154 +qla2x00_change_queue_depth_24742 qla2x00_change_queue_depth 2 24742 NULL
120155 +get_dma_residue_24749 get_dma_residue 0 24749 NULL
120156 +ocfs2_cow_file_pos_24751 ocfs2_cow_file_pos 3 24751 NULL
120157 +kgdb_hex2mem_24755 kgdb_hex2mem 3 24755 NULL
120158 +ocfs2_read_blocks_24777 ocfs2_read_blocks 0 24777 NULL
120159 +datablob_hmac_verify_24786 datablob_hmac_verify 4 24786 NULL
120160 +cache_read_24790 cache_read 3 24790 NULL
120161 +user_regset_copyout_24796 user_regset_copyout 7 24796 NULL
120162 +kvm_read_guest_virt_helper_24804 kvm_read_guest_virt_helper 3-1 24804 NULL
120163 +ath6kl_fwlog_mask_write_24810 ath6kl_fwlog_mask_write 3 24810 NULL
120164 +snd_als4k_gcr_read_24840 snd_als4k_gcr_read 0 24840 NULL
120165 +snd_pcm_lib_buffer_bytes_24865 snd_pcm_lib_buffer_bytes 0 24865 NULL
120166 +pnp_alloc_24869 pnp_alloc 1 24869 NULL nohasharray
120167 +l2cap_create_basic_pdu_24869 l2cap_create_basic_pdu 3 24869 &pnp_alloc_24869
120168 +queues_read_24877 queues_read 3 24877 NULL
120169 +iov_iter_npages_bvec_24905 iov_iter_npages_bvec 0-2 24905 NULL
120170 +codec_list_read_file_24910 codec_list_read_file 3 24910 NULL
120171 +xpcs_reg_value_write_24922 xpcs_reg_value_write 3 24922 NULL
120172 +v4l2_ctrl_new_24927 v4l2_ctrl_new 7 24927 NULL
120173 +ocfs2_fiemap_24949 ocfs2_fiemap 4-3 24949 NULL
120174 +packet_sendmsg_24954 packet_sendmsg 4 24954 NULL
120175 +twl_i2c_write_u8_24976 twl_i2c_write_u8 3 24976 NULL
120176 +llc_ui_sendmsg_24987 llc_ui_sendmsg 4 24987 NULL nohasharray
120177 +ath10k_fw_crash_dump_read_24987 ath10k_fw_crash_dump_read 3 24987 &llc_ui_sendmsg_24987
120178 +info_debugfs_read_helper_24988 info_debugfs_read_helper 0 24988 NULL
120179 +key_conf_hw_key_idx_read_25003 key_conf_hw_key_idx_read 3 25003 NULL
120180 +il_dbgfs_channels_read_25005 il_dbgfs_channels_read 3 25005 NULL
120181 +ni_660x_num_counters_25031 ni_660x_num_counters 0 25031 NULL
120182 +nfs_dns_resolve_name_25036 nfs_dns_resolve_name 3 25036 NULL
120183 +load_unaligned_zeropad_25050 load_unaligned_zeropad 0 25050 NULL
120184 +btrfs_stack_key_blockptr_25058 btrfs_stack_key_blockptr 0 25058 NULL
120185 +gs_buf_alloc_25067 gs_buf_alloc 2 25067 NULL
120186 +ll_track_pid_seq_write_25068 ll_track_pid_seq_write 3 25068 NULL
120187 +do_add_page_to_bio_25071 do_add_page_to_bio 2 25071 NULL
120188 +SYSC_listxattr_25072 SYSC_listxattr 3 25072 NULL
120189 +ima_appraise_measurement_25093 ima_appraise_measurement 6 25093 NULL
120190 +snd_rawmidi_kernel_write_25106 snd_rawmidi_kernel_write 3 25106 NULL
120191 +ipath_init_qp_table_25167 ipath_init_qp_table 2 25167 NULL
120192 +kvm_mmu_notifier_change_pte_25169 kvm_mmu_notifier_change_pte 3 25169 NULL
120193 +sctp_getsockopt_local_addrs_25178 sctp_getsockopt_local_addrs 2 25178 NULL
120194 +security_socket_post_create_25221 security_socket_post_create 0 25221 NULL
120195 +mon_stat_read_25238 mon_stat_read 3 25238 NULL
120196 +stripe_status_25259 stripe_status 5 25259 NULL
120197 +snd_pcm_start_25273 snd_pcm_start 0 25273 NULL
120198 +crypto_alloc_instance2_25277 crypto_alloc_instance2 3 25277 NULL
120199 +vfs_writev_25278 vfs_writev 3 25278 NULL
120200 +l2tp_session_create_25286 l2tp_session_create 1 25286 NULL
120201 +cx25821_write_frame_25315 cx25821_write_frame 3 25315 NULL
120202 +ath9k_debugfs_read_buf_25316 ath9k_debugfs_read_buf 3 25316 NULL
120203 +rng_buffer_size_25348 rng_buffer_size 0 25348 NULL
120204 +SYSC_kexec_load_25361 SYSC_kexec_load 2 25361 NULL
120205 +unix_mkname_25368 unix_mkname 0-2 25368 NULL
120206 +sel_read_mls_25369 sel_read_mls 3 25369 NULL
120207 +vsp1_entity_init_25407 vsp1_entity_init 3 25407 NULL
120208 +mcp795_rtcc_read_25415 mcp795_rtcc_read 4 25415 NULL
120209 +dai_list_read_file_25421 dai_list_read_file 3 25421 NULL
120210 +ipath_decode_err_25468 ipath_decode_err 3 25468 NULL
120211 +crypto_hash_digestsize_25469 crypto_hash_digestsize 0 25469 NULL
120212 +ivtv_buf_copy_from_user_25502 ivtv_buf_copy_from_user 4-0 25502 NULL
120213 +snd_pcm_plugin_build_25505 snd_pcm_plugin_build 5 25505 NULL
120214 +mxt_obj_size_25510 mxt_obj_size 0 25510 NULL
120215 +sb_permission_25523 sb_permission 0 25523 NULL
120216 +ext3_get_inode_loc_25542 ext3_get_inode_loc 0 25542 NULL
120217 +ieee80211_if_read_path_refresh_time_25545 ieee80211_if_read_path_refresh_time 3 25545 NULL
120218 +wimax_addr_scnprint_25548 wimax_addr_scnprint 2 25548 NULL
120219 +ht_print_chan_25556 ht_print_chan 0-3-4 25556 NULL
120220 +skb_tailroom_25567 skb_tailroom 0 25567 NULL
120221 +ping_recvmsg_25597 ping_recvmsg 4 25597 NULL
120222 +copy_user_generic_25611 copy_user_generic 0 25611 NULL
120223 +proc_coredump_filter_write_25625 proc_coredump_filter_write 3 25625 NULL
120224 +befs_utf2nls_25628 befs_utf2nls 3 25628 NULL nohasharray
120225 +__get_user_pages_25628 __get_user_pages 0 25628 &befs_utf2nls_25628
120226 +__direct_map_25647 __direct_map 6-5 25647 NULL
120227 +aircable_prepare_write_buffer_25669 aircable_prepare_write_buffer 3 25669 NULL
120228 +lpfc_idiag_cmd_get_25672 lpfc_idiag_cmd_get 2 25672 NULL
120229 +sta_inactive_ms_read_25690 sta_inactive_ms_read 3 25690 NULL
120230 +prom_early_alloc_25692 prom_early_alloc 1 25692 NULL
120231 +rx_filter_mc_filter_read_25712 rx_filter_mc_filter_read 3 25712 NULL
120232 +ibmasm_new_command_25714 ibmasm_new_command 2 25714 NULL
120233 +__alloc_bootmem_low_node_25726 __alloc_bootmem_low_node 2 25726 NULL nohasharray
120234 +sel_write_context_25726 sel_write_context 3 25726 &__alloc_bootmem_low_node_25726
120235 +xgbe_common_read_25743 xgbe_common_read 2 25743 NULL
120236 +cxgbi_device_portmap_create_25747 cxgbi_device_portmap_create 3 25747 NULL
120237 +event_rx_pool_read_25792 event_rx_pool_read 3 25792 NULL
120238 +sg_read_25799 sg_read 3 25799 NULL
120239 +system_enable_read_25815 system_enable_read 3 25815 NULL
120240 +realloc_buffer_25816 realloc_buffer 2 25816 NULL
120241 +pwr_missing_bcns_read_25824 pwr_missing_bcns_read 3 25824 NULL
120242 +parport_read_25855 parport_read 0 25855 NULL
120243 +xfs_dir2_sf_hdr_size_25858 xfs_dir2_sf_hdr_size 0 25858 NULL
120244 +key_attr_size_25865 key_attr_size 0 25865 NULL
120245 +ath6kl_regread_read_25884 ath6kl_regread_read 3 25884 NULL
120246 +run_delalloc_nocow_25896 run_delalloc_nocow 3-4 25896 NULL
120247 +sisusbcon_scroll_area_25899 sisusbcon_scroll_area 4-3 25899 NULL
120248 +lpfc_change_queue_depth_25905 lpfc_change_queue_depth 2 25905 NULL
120249 +nvme_trans_mode_page_create_25908 nvme_trans_mode_page_create 7-4 25908 NULL
120250 +do_jffs2_setxattr_25910 do_jffs2_setxattr 5 25910 NULL
120251 +rcname_read_25919 rcname_read 3 25919 NULL
120252 +snd_es1938_capture_copy_25930 snd_es1938_capture_copy 5 25930 NULL
120253 +key_flags_read_25931 key_flags_read 3 25931 NULL
120254 +copy_play_buf_25932 copy_play_buf 3 25932 NULL
120255 +flush_25957 flush 2 25957 NULL
120256 +_regmap_multi_reg_write_25967 _regmap_multi_reg_write 3 25967 NULL
120257 +udp_setsockopt_25985 udp_setsockopt 5 25985 NULL
120258 +lustre_msg_buflen_v2_25997 lustre_msg_buflen_v2 0 25997 NULL
120259 +SyS_process_vm_readv_26019 SyS_process_vm_readv 3-5 26019 NULL
120260 +mptscsih_change_queue_depth_26036 mptscsih_change_queue_depth 2 26036 NULL
120261 +selinux_inode_post_setxattr_26037 selinux_inode_post_setxattr 4 26037 NULL
120262 +keyctl_update_key_26061 keyctl_update_key 3 26061 NULL
120263 +pri_wm_latency_write_26063 pri_wm_latency_write 3 26063 NULL
120264 +rx_rx_wa_density_dropped_frame_read_26095 rx_rx_wa_density_dropped_frame_read 3 26095 NULL
120265 +i8042_pnp_id_to_string_26108 i8042_pnp_id_to_string 3 26108 NULL
120266 +read_sb_page_26119 read_sb_page 5 26119 NULL
120267 +ath9k_hw_name_26146 ath9k_hw_name 3 26146 NULL
120268 +copy_oldmem_page_26164 copy_oldmem_page 3 26164 NULL
120269 +gfs2_xattr_acl_get_26166 gfs2_xattr_acl_get 0 26166 NULL nohasharray
120270 +ath6kl_roam_table_read_26166 ath6kl_roam_table_read 3 26166 &gfs2_xattr_acl_get_26166
120271 +disk_devt_26180 disk_devt 0 26180 NULL
120272 +ieee80211_if_fmt_dot11MeshTTL_26198 ieee80211_if_fmt_dot11MeshTTL 3 26198 NULL
120273 +xfs_idata_realloc_26199 xfs_idata_realloc 2 26199 NULL
120274 +mce_write_26201 mce_write 3 26201 NULL
120275 +mwifiex_regrdwr_write_26225 mwifiex_regrdwr_write 3 26225 NULL
120276 +_scsih_change_queue_depth_26230 _scsih_change_queue_depth 2 26230 NULL
120277 +rxrpc_recvmsg_26233 rxrpc_recvmsg 4 26233 NULL
120278 +nlm_end_grace_read_26234 nlm_end_grace_read 3 26234 NULL
120279 +genwqe_ffdc_buff_size_26263 genwqe_ffdc_buff_size 0 26263 NULL
120280 +crypto_ctxsize_26278 crypto_ctxsize 0 26278 NULL
120281 +wacom_set_device_mode_26280 wacom_set_device_mode 3 26280 NULL
120282 +snd_pcm_plug_client_channels_buf_26309 snd_pcm_plug_client_channels_buf 0-3 26309 NULL
120283 +pwr_wake_on_host_read_26321 pwr_wake_on_host_read 3 26321 NULL
120284 +check_can_nocow_26336 check_can_nocow 2 26336 NULL
120285 +snd_vx_check_reg_bit_26344 snd_vx_check_reg_bit 0 26344 NULL
120286 +ocfs2_duplicate_clusters_by_page_26357 ocfs2_duplicate_clusters_by_page 6-3 26357 NULL
120287 +cifs_readdata_alloc_26360 cifs_readdata_alloc 1 26360 NULL
120288 +invalidate_inode_pages2_range_26403 invalidate_inode_pages2_range 0 26403 NULL
120289 +ntty_write_26404 ntty_write 3 26404 NULL
120290 +firmware_store_26408 firmware_store 4 26408 NULL
120291 +pagemap_read_26441 pagemap_read 3 26441 NULL
120292 +tower_read_26461 tower_read 3 26461 NULL nohasharray
120293 +enc_pools_add_pages_26461 enc_pools_add_pages 1 26461 &tower_read_26461
120294 +ib_alloc_device_26483 ib_alloc_device 1 26483 NULL
120295 +ulong_write_file_26485 ulong_write_file 3 26485 NULL
120296 +dvb_ca_en50221_io_ioctl_26490 dvb_ca_en50221_io_ioctl 2 26490 NULL nohasharray
120297 +msi_verify_entries_26490 msi_verify_entries 0 26490 &dvb_ca_en50221_io_ioctl_26490
120298 +read_vmcore_26501 read_vmcore 3 26501 NULL
120299 +uhid_char_write_26502 uhid_char_write 3 26502 NULL
120300 +vfio_pci_set_msi_trigger_26507 vfio_pci_set_msi_trigger 4-3 26507 NULL
120301 +iwl_dbgfs_rf_reset_read_26512 iwl_dbgfs_rf_reset_read 3 26512 NULL
120302 +alloc_ep_req_26521 alloc_ep_req 3-2 26521 NULL
120303 +SyS_rt_sigpending_26538 SyS_rt_sigpending 2 26538 NULL
120304 +__vhost_add_used_n_26554 __vhost_add_used_n 3 26554 NULL
120305 +dio_new_bio_26562 dio_new_bio 0 26562 NULL
120306 +rts51x_read_mem_26577 rts51x_read_mem 4 26577 NULL
120307 +kernfs_name_locked_26617 kernfs_name_locked 3 26617 NULL
120308 +pwr_fix_tsf_ps_read_26627 pwr_fix_tsf_ps_read 3 26627 NULL
120309 +amdtp_stream_get_max_payload_26645 amdtp_stream_get_max_payload 0 26645 NULL
120310 +irq_alloc_generic_chip_26650 irq_alloc_generic_chip 2 26650 NULL
120311 +nouveau_volt_create__26654 nouveau_volt_create_ 4 26654 NULL
120312 +cipso_v4_map_cat_rbm_hton_26680 cipso_v4_map_cat_rbm_hton 0 26680 NULL
120313 +flowinfo_read_26683 flowinfo_read 3 26683 NULL
120314 +sysfs_add_file_26716 sysfs_add_file 0 26716 NULL
120315 +nouveau_namedb_create__26732 nouveau_namedb_create_ 7 26732 NULL
120316 +pipeline_tcp_rx_stat_fifo_int_read_26745 pipeline_tcp_rx_stat_fifo_int_read 3 26745 NULL
120317 +bos_desc_26752 bos_desc 0 26752 NULL
120318 +snd_hda_get_raw_connections_26762 snd_hda_get_raw_connections 0 26762 NULL
120319 +dma_map_single_attrs_26779 dma_map_single_attrs 0 26779 NULL
120320 +qlcnic_alloc_sds_rings_26795 qlcnic_alloc_sds_rings 2 26795 NULL
120321 +cipso_v4_genopt_26812 cipso_v4_genopt 0 26812 NULL
120322 +iwl_trans_read_mem32_26825 iwl_trans_read_mem32 0 26825 NULL
120323 +smk_write_load_26829 smk_write_load 3 26829 NULL
120324 +snd_pcm_action_mutex_26832 snd_pcm_action_mutex 0 26832 NULL
120325 +scnprint_id_26842 scnprint_id 3-0 26842 NULL
120326 +ecryptfs_miscdev_write_26847 ecryptfs_miscdev_write 3 26847 NULL
120327 +ss_alloc_ep_req_26848 ss_alloc_ep_req 2 26848 NULL
120328 +tipc_conn_sendmsg_26867 tipc_conn_sendmsg 5 26867 NULL
120329 +ath6kl_create_qos_write_26879 ath6kl_create_qos_write 3 26879 NULL
120330 +svc_print_xprts_26881 svc_print_xprts 0 26881 NULL
120331 +skb_zerocopy_headlen_26910 skb_zerocopy_headlen 0 26910 NULL
120332 +hhf_zalloc_26912 hhf_zalloc 1 26912 NULL
120333 +cfg80211_process_auth_26916 cfg80211_process_auth 3 26916 NULL
120334 +x25_asy_change_mtu_26928 x25_asy_change_mtu 2 26928 NULL
120335 +brcmf_usb_dl_cmd_26931 brcmf_usb_dl_cmd 4 26931 NULL
120336 +scsi_tgt_copy_sense_26933 scsi_tgt_copy_sense 3 26933 NULL
120337 +sctp_setsockopt_adaptation_layer_26935 sctp_setsockopt_adaptation_layer 3 26935 NULL nohasharray
120338 +pwr_ps_enter_read_26935 pwr_ps_enter_read 3 26935 &sctp_setsockopt_adaptation_layer_26935
120339 +hecubafb_write_26942 hecubafb_write 3 26942 NULL
120340 +do_trimming_26952 do_trimming 3 26952 NULL nohasharray
120341 +extract_entropy_user_26952 extract_entropy_user 3 26952 &do_trimming_26952
120342 +do_direct_IO_26979 do_direct_IO 0 26979 NULL
120343 +lustre_msg_size_26995 lustre_msg_size 2 26995 NULL
120344 +sc16is7xx_port_read_27051 sc16is7xx_port_read 0 27051 NULL
120345 +__videobuf_alloc_vb_27062 __videobuf_alloc_vb 1 27062 NULL
120346 +ext4_convert_unwritten_extents_27064 ext4_convert_unwritten_extents 4-3 27064 NULL
120347 +snd_pcm_lib_period_bytes_27071 snd_pcm_lib_period_bytes 0 27071 NULL
120348 +paravirt_read_msr_27077 paravirt_read_msr 0 27077 NULL
120349 +alloc_fdmem_27083 alloc_fdmem 1 27083 NULL
120350 +btmrvl_hscmd_write_27089 btmrvl_hscmd_write 3 27089 NULL nohasharray
120351 +ath9k_hw_4k_dump_eeprom_27089 ath9k_hw_4k_dump_eeprom 5-4 27089 &btmrvl_hscmd_write_27089
120352 +__devcgroup_inode_permission_27108 __devcgroup_inode_permission 0 27108 NULL
120353 +drbd_get_capacity_27141 drbd_get_capacity 0 27141 NULL
120354 +pms_capture_27142 pms_capture 4 27142 NULL
120355 +btmrvl_hscfgcmd_write_27143 btmrvl_hscfgcmd_write 3 27143 NULL
120356 +wil_write_file_wmi_27150 wil_write_file_wmi 3 27150 NULL
120357 +snd_compr_calc_avail_27165 snd_compr_calc_avail 0 27165 NULL
120358 +ieee80211_if_read_rc_rateidx_mask_5ghz_27183 ieee80211_if_read_rc_rateidx_mask_5ghz 3 27183 NULL
120359 +write_kmem_27225 write_kmem 3 27225 NULL nohasharray
120360 +svcxdr_tmpalloc_27225 svcxdr_tmpalloc 2 27225 &write_kmem_27225
120361 +dbAllocAG_27228 dbAllocAG 0 27228 NULL
120362 +rxrpc_request_key_27235 rxrpc_request_key 3 27235 NULL
120363 +ll_track_gid_seq_write_27267 ll_track_gid_seq_write 3 27267 NULL
120364 +comedi_alloc_devpriv_27272 comedi_alloc_devpriv 2 27272 NULL
120365 +get_rx_fifo_content_27283 get_rx_fifo_content 0 27283 NULL
120366 +copy_from_buf_27308 copy_from_buf 4-2 27308 NULL
120367 +virtqueue_add_inbuf_27312 virtqueue_add_inbuf 3 27312 NULL
120368 +snd_pcm_oss_write2_27332 snd_pcm_oss_write2 3-0 27332 NULL
120369 +afs_cell_create_27346 afs_cell_create 2 27346 NULL
120370 +iwl_dbgfs_csr_write_27363 iwl_dbgfs_csr_write 3 27363 NULL
120371 +pcbit_stat_27364 pcbit_stat 2 27364 NULL
120372 +seq_read_27411 seq_read 3 27411 NULL
120373 +ib_dma_map_sg_27413 ib_dma_map_sg 0 27413 NULL
120374 +ieee80211_if_read_smps_27416 ieee80211_if_read_smps 3 27416 NULL
120375 +ocfs2_refcount_cal_cow_clusters_27422 ocfs2_refcount_cal_cow_clusters 3-4 27422 NULL
120376 +cypress_write_27423 cypress_write 4 27423 NULL
120377 +sddr09_read_data_27447 sddr09_read_data 3 27447 NULL
120378 +v4l2_ctrl_new_std_menu_items_27487 v4l2_ctrl_new_std_menu_items 4 27487 NULL
120379 +hcd_buffer_alloc_27495 hcd_buffer_alloc 2 27495 NULL
120380 +ip_set_get_h32_27498 ip_set_get_h32 0 27498 NULL
120381 +btrfs_get_64_27499 btrfs_get_64 0 27499 NULL
120382 +garmin_read_process_27509 garmin_read_process 3 27509 NULL nohasharray
120383 +mcryptd_hash_setkey_27509 mcryptd_hash_setkey 3 27509 &garmin_read_process_27509
120384 +oti_alloc_cookies_27510 oti_alloc_cookies 2 27510 NULL
120385 +ib_copy_to_udata_27525 ib_copy_to_udata 3 27525 NULL
120386 +snd_sonicvibes_getdmaa_27552 snd_sonicvibes_getdmaa 0 27552 NULL
120387 +SyS_fgetxattr_27571 SyS_fgetxattr 4 27571 NULL
120388 +sco_sock_recvmsg_27572 sco_sock_recvmsg 4 27572 NULL
120389 +libipw_alloc_txb_27579 libipw_alloc_txb 1 27579 NULL
120390 +C_SYSC_mbind_27636 C_SYSC_mbind 5 27636 NULL
120391 +ocfs2_xattr_ibody_get_27642 ocfs2_xattr_ibody_get 0 27642 NULL nohasharray
120392 +read_flush_procfs_27642 read_flush_procfs 3 27642 &ocfs2_xattr_ibody_get_27642 nohasharray
120393 +nl80211_send_connect_result_27642 nl80211_send_connect_result 5-7 27642 &read_flush_procfs_27642
120394 +add_new_gdb_27643 add_new_gdb 3 27643 NULL
120395 +btrfs_fallocate_27647 btrfs_fallocate 3-4 27647 NULL
120396 +qnx6_readpages_27657 qnx6_readpages 4 27657 NULL
120397 +cdrom_read_cdda_old_27664 cdrom_read_cdda_old 4 27664 NULL
120398 +ocfs2_extend_dir_27695 ocfs2_extend_dir 4 27695 NULL
120399 +fs_path_add_from_extent_buffer_27702 fs_path_add_from_extent_buffer 4 27702 NULL
120400 +evm_write_key_27715 evm_write_key 3 27715 NULL
120401 +ieee80211_if_fmt_dot11MeshGateAnnouncementProtocol_27722 ieee80211_if_fmt_dot11MeshGateAnnouncementProtocol 3 27722 NULL
120402 +xfs_dir2_block_sfsize_27727 xfs_dir2_block_sfsize 0 27727 NULL
120403 +load_scode_27738 load_scode 2 27738 NULL
120404 +SyS_setsockopt_27759 SyS_setsockopt 5 27759 NULL
120405 +transport_init_session_tags_27776 transport_init_session_tags 1-2 27776 NULL
120406 +__lov_setstripe_27782 __lov_setstripe 2 27782 NULL
120407 +twl4030_set_gpio_dataout_27792 twl4030_set_gpio_dataout 1 27792 NULL
120408 +SyS_readv_27804 SyS_readv 3 27804 NULL
120409 +mpihelp_mul_27805 mpihelp_mul 5-3 27805 NULL
120410 +hpt374_read_freq_27828 hpt374_read_freq 0 27828 NULL
120411 +init_header_complete_27833 init_header_complete 0 27833 NULL
120412 +read_profile_27859 read_profile 3 27859 NULL
120413 +sky2_pci_read16_27863 sky2_pci_read16 0 27863 NULL
120414 +ieee80211_if_read_dot11MeshHWMProotInterval_27873 ieee80211_if_read_dot11MeshHWMProotInterval 3 27873 NULL
120415 +unix_seqpacket_sendmsg_27893 unix_seqpacket_sendmsg 4 27893 NULL
120416 +i915_error_object_create_sized_27919 i915_error_object_create_sized 4 27919 NULL
120417 +check_mapped_name_27943 check_mapped_name 3 27943 NULL
120418 +bio_next_split_27961 bio_next_split 2 27961 NULL nohasharray
120419 +tracing_clock_write_27961 tracing_clock_write 3 27961 &bio_next_split_27961
120420 +tipc_media_addr_printf_27971 tipc_media_addr_printf 2 27971 NULL
120421 +mic_rx_pkts_read_27972 mic_rx_pkts_read 3 27972 NULL nohasharray
120422 +device_register_27972 device_register 0 27972 &mic_rx_pkts_read_27972
120423 +compat_SyS_set_mempolicy_27975 compat_SyS_set_mempolicy 3 27975 NULL
120424 +pci_enable_device_flags_27977 pci_enable_device_flags 0 27977 NULL
120425 +edt_ft5x06_debugfs_raw_data_read_28002 edt_ft5x06_debugfs_raw_data_read 3 28002 NULL
120426 +seq_get_buf_28006 seq_get_buf 0 28006 NULL
120427 +snd_rawmidi_write_28008 snd_rawmidi_write 3 28008 NULL
120428 +powercap_register_zone_28028 powercap_register_zone 6 28028 NULL
120429 +sctp_setsockopt_maxburst_28041 sctp_setsockopt_maxburst 3 28041 NULL
120430 +cx231xx_init_vbi_isoc_28053 cx231xx_init_vbi_isoc 3-2-4 28053 NULL
120431 +pool_status_28055 pool_status 5 28055 NULL
120432 +init_rs_non_canonical_28059 init_rs_non_canonical 1 28059 NULL
120433 +lpfc_idiag_mbxacc_read_28061 lpfc_idiag_mbxacc_read 3 28061 NULL
120434 +tx_frag_bad_mblk_num_read_28064 tx_frag_bad_mblk_num_read 3 28064 NULL
120435 +acpi_gsb_i2c_write_bytes_28082 acpi_gsb_i2c_write_bytes 4 28082 NULL
120436 +mmc_test_alloc_mem_28102 mmc_test_alloc_mem 3-2 28102 NULL
120437 +rx_defrag_need_defrag_read_28117 rx_defrag_need_defrag_read 3 28117 NULL
120438 +vgacon_adjust_height_28124 vgacon_adjust_height 2 28124 NULL
120439 +m25p80_read_reg_28132 m25p80_read_reg 4 28132 NULL
120440 +video_read_28148 video_read 3 28148 NULL
120441 +snd_midi_channel_alloc_set_28153 snd_midi_channel_alloc_set 1 28153 NULL
120442 +stats_dot11FCSErrorCount_read_28154 stats_dot11FCSErrorCount_read 3 28154 NULL
120443 +vread_28173 vread 0-3 28173 NULL
120444 +macvtap_get_user_28185 macvtap_get_user 4 28185 NULL
120445 +counter_free_res_28187 counter_free_res 5 28187 NULL
120446 +read_disk_sb_28188 read_disk_sb 2 28188 NULL
120447 +nvkm_output_dp_create__28192 nvkm_output_dp_create_ 6 28192 NULL
120448 +nouveau_mxm_create__28200 nouveau_mxm_create_ 4 28200 NULL
120449 +__qp_memcpy_from_queue_28220 __qp_memcpy_from_queue 3-4 28220 NULL
120450 +line6_alloc_sysex_buffer_28225 line6_alloc_sysex_buffer 4 28225 NULL
120451 +amd_nb_num_28228 amd_nb_num 0 28228 NULL
120452 +usemap_size_28281 usemap_size 0 28281 NULL
120453 +inline_xattr_size_28285 inline_xattr_size 0 28285 NULL
120454 +dma_map_sg_attrs_28289 dma_map_sg_attrs 0 28289 NULL
120455 +SyS_ppoll_28290 SyS_ppoll 2 28290 NULL
120456 +kstrtos16_from_user_28300 kstrtos16_from_user 2 28300 NULL
120457 +nouveau_compat_ioctl_28305 nouveau_compat_ioctl 2 28305 NULL
120458 +snd_pcm_oss_read_28317 snd_pcm_oss_read 3 28317 NULL
120459 +xpcs_mmd_read_28331 xpcs_mmd_read 3 28331 NULL
120460 +bm_entry_write_28338 bm_entry_write 3 28338 NULL
120461 +tcp_copy_to_iovec_28344 tcp_copy_to_iovec 3 28344 NULL
120462 +snapshot_write_28351 snapshot_write 3 28351 NULL
120463 +xfs_iomap_write_unwritten_28365 xfs_iomap_write_unwritten 3-2 28365 NULL
120464 +batadv_handle_tt_response_28370 batadv_handle_tt_response 4 28370 NULL
120465 +dlmfs_file_read_28385 dlmfs_file_read 3 28385 NULL
120466 +tx_frag_cache_miss_read_28394 tx_frag_cache_miss_read 3 28394 NULL
120467 +bypass_pwup_write_28416 bypass_pwup_write 3 28416 NULL
120468 +subdev_ioctl_28417 subdev_ioctl 2 28417 NULL
120469 +__videobuf_mmap_setup_28421 __videobuf_mmap_setup 0 28421 NULL
120470 +ksocknal_alloc_tx_28426 ksocknal_alloc_tx 2 28426 NULL
120471 +hid_hw_output_report_28429 hid_hw_output_report 0 28429 NULL
120472 +mpage_readpages_28436 mpage_readpages 3 28436 NULL
120473 +snd_emu10k1_efx_read_28452 snd_emu10k1_efx_read 2 28452 NULL
120474 +key_mic_failures_read_28457 key_mic_failures_read 3 28457 NULL
120475 +alloc_irq_cpu_rmap_28459 alloc_irq_cpu_rmap 1 28459 NULL
120476 +ps_poll_upsd_utilization_read_28519 ps_poll_upsd_utilization_read 3 28519 NULL
120477 +sh_irda_init_iobuf_28527 sh_irda_init_iobuf 2 28527 NULL nohasharray
120478 +i2400m_tx_stats_read_28527 i2400m_tx_stats_read 3 28527 &sh_irda_init_iobuf_28527
120479 +early_init_dt_alloc_memory_arch_28528 early_init_dt_alloc_memory_arch 1 28528 NULL
120480 +sel_read_policycap_28544 sel_read_policycap 3 28544 NULL
120481 +run_delalloc_range_28545 run_delalloc_range 3-4 28545 NULL nohasharray
120482 +aio_read_events_28545 aio_read_events 3 28545 &run_delalloc_range_28545 nohasharray
120483 +mptctl_getiocinfo_28545 mptctl_getiocinfo 2 28545 &aio_read_events_28545
120484 +b43legacy_debugfs_write_28556 b43legacy_debugfs_write 3 28556 NULL
120485 +asymmetric_verify_28567 asymmetric_verify 3 28567 NULL
120486 +oxygen_read32_28582 oxygen_read32 0 28582 NULL
120487 +task_cgroup_path_28599 task_cgroup_path 3 28599 NULL
120488 +extract_entropy_28604 extract_entropy 5-3 28604 NULL
120489 +xgbe_common_write_28609 xgbe_common_write 2 28609 NULL
120490 +kfifo_unused_28612 kfifo_unused 0 28612 NULL
120491 +snd_nm256_capture_copy_28622 snd_nm256_capture_copy 5-3 28622 NULL
120492 +setup_usemap_28636 setup_usemap 3-4 28636 NULL
120493 +qib_handle_6120_hwerrors_28642 qib_handle_6120_hwerrors 3 28642 NULL
120494 +p9_fcall_alloc_28652 p9_fcall_alloc 1 28652 NULL
120495 +iwl_dbgfs_nic_temp_read_28662 iwl_dbgfs_nic_temp_read 3 28662 NULL
120496 +blk_queue_resize_tags_28670 blk_queue_resize_tags 2 28670 NULL
120497 +SyS_setgroups16_28686 SyS_setgroups16 1 28686 NULL
120498 +kvm_mmu_get_page_28692 kvm_mmu_get_page 2 28692 NULL
120499 +drm_plane_init_28731 drm_plane_init 6 28731 NULL
120500 +spi_execute_28736 spi_execute 5 28736 NULL
120501 +snd_pcm_aio_write_28738 snd_pcm_aio_write 3 28738 NULL
120502 +read_file_btcoex_28743 read_file_btcoex 3 28743 NULL
120503 +max_hw_blocks_28748 max_hw_blocks 0 28748 NULL
120504 +nv50_dmac_create_28762 nv50_dmac_create 5 28762 NULL
120505 +rpc_pipe_generic_upcall_28766 rpc_pipe_generic_upcall 4 28766 NULL
120506 +ath6kl_get_num_reg_28780 ath6kl_get_num_reg 0 28780 NULL
120507 +sel_write_member_28800 sel_write_member 3 28800 NULL
120508 +iwl_dbgfs_rxon_filter_flags_read_28832 iwl_dbgfs_rxon_filter_flags_read 3 28832 NULL
120509 +kernel_tree_alloc_28833 kernel_tree_alloc 1 28833 NULL
120510 +parser_init_byteStream_28841 parser_init_byteStream 2 28841 NULL
120511 +vp_request_msix_vectors_28849 vp_request_msix_vectors 2 28849 NULL
120512 +ipv6_renew_options_28867 ipv6_renew_options 5 28867 NULL
120513 +packet_sendmsg_spkt_28885 packet_sendmsg_spkt 4 28885 NULL
120514 +da9055_group_write_28904 da9055_group_write 2-3 28904 NULL
120515 +ps_upsd_timeouts_read_28924 ps_upsd_timeouts_read 3 28924 NULL
120516 +iwl_dbgfs_sleep_level_override_write_28925 iwl_dbgfs_sleep_level_override_write 3 28925 NULL
120517 +push_rx_28939 push_rx 3 28939 NULL
120518 +mxuport_prepare_write_buffer_28943 mxuport_prepare_write_buffer 3 28943 NULL
120519 +btrfs_trim_block_group_28963 btrfs_trim_block_group 3-4 28963 NULL
120520 +alloc_sched_domains_28972 alloc_sched_domains 1 28972 NULL
120521 +hash_net6_expire_28979 hash_net6_expire 4 28979 NULL
120522 +hci_sock_setsockopt_28993 hci_sock_setsockopt 5 28993 NULL
120523 +bin_uuid_28999 bin_uuid 3 28999 NULL
120524 +fd_execute_rw_29004 fd_execute_rw 3 29004 NULL
120525 +ieee80211_if_read_ht_opmode_29044 ieee80211_if_read_ht_opmode 3 29044 NULL
120526 +rxrpc_sendmsg_29049 rxrpc_sendmsg 4 29049 NULL
120527 +btrfs_root_bytenr_29058 btrfs_root_bytenr 0 29058 NULL
120528 +iso_packets_buffer_init_29061 iso_packets_buffer_init 3-4 29061 NULL
120529 +lpfc_idiag_extacc_drivr_get_29067 lpfc_idiag_extacc_drivr_get 0-3 29067 NULL
120530 +sctp_getsockopt_assoc_stats_29074 sctp_getsockopt_assoc_stats 2 29074 NULL
120531 +iwl_dbgfs_log_event_write_29088 iwl_dbgfs_log_event_write 3 29088 NULL
120532 +ccp_init_dm_workarea_29097 ccp_init_dm_workarea 3 29097 NULL
120533 +__compat_sys_preadv64_29103 __compat_sys_preadv64 3 29103 NULL
120534 +isdn_ppp_write_29109 isdn_ppp_write 4 29109 NULL
120535 +snprintf_29125 snprintf 0 29125 NULL
120536 +iov_shorten_29130 iov_shorten 0 29130 NULL
120537 +proc_scsi_write_29142 proc_scsi_write 3 29142 NULL
120538 +kvm_mmu_notifier_clear_flush_young_29154 kvm_mmu_notifier_clear_flush_young 3 29154 NULL
120539 +drm_property_create_enum_29201 drm_property_create_enum 5 29201 NULL
120540 +wusb_prf_256_29203 wusb_prf_256 7 29203 NULL
120541 +iwl_dbgfs_temperature_read_29224 iwl_dbgfs_temperature_read 3 29224 NULL
120542 +nvme_trans_copy_from_user_29227 nvme_trans_copy_from_user 3 29227 NULL
120543 +irq_domain_add_linear_29236 irq_domain_add_linear 2 29236 NULL
120544 +evdev_handle_get_val_29242 evdev_handle_get_val 5-6 29242 NULL
120545 +security_context_to_sid_core_29248 security_context_to_sid_core 2 29248 NULL
120546 +rbd_osd_req_create_29260 rbd_osd_req_create 3 29260 NULL
120547 +mwifiex_hscfg_write_29262 mwifiex_hscfg_write 3 29262 NULL
120548 +prism2_set_genericelement_29277 prism2_set_genericelement 3 29277 NULL
120549 +ext4_fiemap_29296 ext4_fiemap 4 29296 NULL
120550 +sn9c102_read_29305 sn9c102_read 3 29305 NULL
120551 +__fuse_get_req_29315 __fuse_get_req 2 29315 NULL
120552 +lprocfs_write_helper_29323 lprocfs_write_helper 2 29323 NULL
120553 +kvm_handle_hva_29326 kvm_handle_hva 2 29326 NULL
120554 +obd_proc_jobid_name_seq_write_29332 obd_proc_jobid_name_seq_write 3 29332 NULL
120555 +tun_put_user_29337 tun_put_user 5 29337 NULL
120556 +__alloc_ei_netdev_29338 __alloc_ei_netdev 1 29338 NULL
120557 +l2cap_sock_setsockopt_old_29346 l2cap_sock_setsockopt_old 4 29346 NULL
120558 +read_file_tx99_power_29405 read_file_tx99_power 3 29405 NULL
120559 +mempool_create_29437 mempool_create 1 29437 NULL
120560 +crypto_ahash_alignmask_29445 crypto_ahash_alignmask 0 29445 NULL
120561 +p9_client_prepare_req_29448 p9_client_prepare_req 3 29448 NULL
120562 +validate_scan_freqs_29462 validate_scan_freqs 0 29462 NULL
120563 +memcg_update_cache_params_29465 memcg_update_cache_params 2 29465 NULL
120564 +SyS_flistxattr_29474 SyS_flistxattr 3 29474 NULL
120565 +do_register_entry_29478 do_register_entry 4 29478 NULL
120566 +simple_strtoul_29480 simple_strtoul 0 29480 NULL
120567 +btmrvl_pscmd_write_29504 btmrvl_pscmd_write 3 29504 NULL
120568 +btrfs_file_extent_disk_bytenr_29505 btrfs_file_extent_disk_bytenr 0 29505 NULL
120569 +usnic_vnic_spec_dump_29508 usnic_vnic_spec_dump 2 29508 NULL
120570 +write_file_regidx_29517 write_file_regidx 3 29517 NULL
120571 +atk_debugfs_ggrp_read_29522 atk_debugfs_ggrp_read 3 29522 NULL
120572 +pci_enable_msix_29524 pci_enable_msix 0 29524 NULL
120573 +mic_vringh_copy_29531 mic_vringh_copy 4 29531 NULL
120574 +ftrace_write_29551 ftrace_write 3 29551 NULL
120575 +idetape_queue_rw_tail_29562 idetape_queue_rw_tail 3 29562 NULL
120576 +leaf_dealloc_29566 leaf_dealloc 3 29566 NULL
120577 +kvm_read_guest_virt_system_29569 kvm_read_guest_virt_system 4-2 29569 NULL
120578 +lbs_lowsnr_read_29571 lbs_lowsnr_read 3 29571 NULL
120579 +iwl_dbgfs_missed_beacon_write_29586 iwl_dbgfs_missed_beacon_write 3 29586 NULL
120580 +pvr2_hdw_report_unlocked_29589 pvr2_hdw_report_unlocked 4-0 29589 NULL
120581 +dio_set_defer_completion_29599 dio_set_defer_completion 0 29599 NULL
120582 +slots_per_page_29601 slots_per_page 0 29601 NULL
120583 +osc_cached_mb_seq_write_29610 osc_cached_mb_seq_write 3 29610 NULL
120584 +lstcon_rpc_init_29623 lstcon_rpc_init 4 29623 NULL
120585 +nla_get_u16_29624 nla_get_u16 0 29624 NULL
120586 +tx_frag_cache_hit_read_29639 tx_frag_cache_hit_read 3 29639 NULL
120587 +sctp_make_abort_user_29654 sctp_make_abort_user 3 29654 NULL nohasharray
120588 +spmi_controller_alloc_29654 spmi_controller_alloc 2 29654 &sctp_make_abort_user_29654
120589 +sisusb_write_mem_bulk_29678 sisusb_write_mem_bulk 4 29678 NULL
120590 +lustre_posix_acl_xattr_2ext_29693 lustre_posix_acl_xattr_2ext 2 29693 NULL
120591 +posix_acl_from_xattr_29708 posix_acl_from_xattr 3 29708 NULL
120592 +probes_write_29711 probes_write 3 29711 NULL
120593 +read_cis_cache_29735 read_cis_cache 4 29735 NULL
120594 +xfs_new_eof_29737 xfs_new_eof 2 29737 NULL
120595 +std_nic_write_29752 std_nic_write 3 29752 NULL
120596 +static_key_count_29771 static_key_count 0 29771 NULL
120597 +tg3_irq_count_29786 tg3_irq_count 0 29786 NULL
120598 +dbAlloc_29794 dbAlloc 0 29794 NULL
120599 +tcp_sendpage_29829 tcp_sendpage 4 29829 NULL
120600 +__probe_kernel_write_29842 __probe_kernel_write 3 29842 NULL
120601 +kvm_read_hva_atomic_29848 kvm_read_hva_atomic 3 29848 NULL
120602 +count_partial_29850 count_partial 0 29850 NULL
120603 +write_file_bool_bmps_29870 write_file_bool_bmps 3 29870 NULL
120604 +ipv6_setsockopt_29871 ipv6_setsockopt 5 29871 NULL
120605 +crypto_aead_alignmask_29885 crypto_aead_alignmask 0 29885 NULL
120606 +rtw_cfg80211_indicate_sta_assoc_29897 rtw_cfg80211_indicate_sta_assoc 3 29897 NULL
120607 +nv94_gpio_intr_mask_29907 nv94_gpio_intr_mask 4-3 29907 NULL
120608 +lov_ost_pool_extend_29914 lov_ost_pool_extend 2 29914 NULL
120609 +write_file_queue_29922 write_file_queue 3 29922 NULL
120610 +__btrfs_getxattr_29947 __btrfs_getxattr 0 29947 NULL nohasharray
120611 +ipv6_recv_error_29947 ipv6_recv_error 3 29947 &__btrfs_getxattr_29947
120612 +zero_iovec_29955 zero_iovec 1 29955 NULL
120613 +dev_mem_write_30028 dev_mem_write 3 30028 NULL
120614 +alloc_netdev_mqs_30030 alloc_netdev_mqs 1 30030 NULL
120615 +sysfs_add_file_mode_ns_30038 sysfs_add_file_mode_ns 0 30038 NULL
120616 +scsi_vpd_inquiry_30040 scsi_vpd_inquiry 0-4 30040 NULL
120617 +drp_wmove_30043 drp_wmove 4 30043 NULL
120618 +cxgbi_ddp_reserve_30091 cxgbi_ddp_reserve 4 30091 NULL
120619 +snd_midi_channel_init_set_30092 snd_midi_channel_init_set 1 30092 NULL
120620 +rx_filter_data_filter_read_30098 rx_filter_data_filter_read 3 30098 NULL
120621 +defragment_dma_buffer_30113 defragment_dma_buffer 0 30113 NULL
120622 +spi_async_locked_30117 spi_async_locked 0 30117 NULL
120623 +u_memcpya_30139 u_memcpya 3-2 30139 NULL
120624 +dbg_port_buf_30145 dbg_port_buf 2 30145 NULL
120625 +elfcorehdr_read_30159 elfcorehdr_read 2 30159 NULL
120626 +alloc_switch_ctx_30165 alloc_switch_ctx 2 30165 NULL
120627 +expand_inode_data_30169 expand_inode_data 3-2 30169 NULL
120628 +mempool_create_page_pool_30189 mempool_create_page_pool 1 30189 NULL
120629 +drm_property_create_bitmask_30195 drm_property_create_bitmask 5 30195 NULL
120630 +__genwqe_readq_30197 __genwqe_readq 0 30197 NULL
120631 +usblp_ioctl_30203 usblp_ioctl 2 30203 NULL
120632 +SyS_semop_30227 SyS_semop 3 30227 NULL
120633 +bitmap_file_set_bit_30228 bitmap_file_set_bit 2 30228 NULL
120634 +rawv6_recvmsg_30265 rawv6_recvmsg 4 30265 NULL
120635 +isr_pci_pm_read_30271 isr_pci_pm_read 3 30271 NULL
120636 +compat_readv_30273 compat_readv 3 30273 NULL
120637 +skcipher_sendmsg_30290 skcipher_sendmsg 4 30290 NULL
120638 +pipeline_sec_frag_swi_read_30294 pipeline_sec_frag_swi_read 3 30294 NULL
120639 +tcp_sendmsg_30296 tcp_sendmsg 4 30296 NULL
120640 +osc_contention_seconds_seq_write_30305 osc_contention_seconds_seq_write 3 30305 NULL
120641 +ext4_acl_from_disk_30320 ext4_acl_from_disk 2 30320 NULL
120642 +i8254_read_30330 i8254_read 0 30330 NULL
120643 +resource_from_user_30341 resource_from_user 3 30341 NULL
120644 +o2nm_this_node_30342 o2nm_this_node 0 30342 NULL
120645 +kstrtou32_from_user_30361 kstrtou32_from_user 2 30361 NULL
120646 +pvscsi_change_queue_depth_30365 pvscsi_change_queue_depth 2 30365 NULL
120647 +C_SYSC_readv_30369 C_SYSC_readv 3 30369 NULL
120648 +blkdev_issue_zeroout_30392 blkdev_issue_zeroout 3 30392 NULL
120649 +c4iw_init_resource_30393 c4iw_init_resource 2-3 30393 NULL
120650 +vb2_fop_write_30420 vb2_fop_write 3 30420 NULL
120651 +tx_tx_template_prepared_read_30424 tx_tx_template_prepared_read 3 30424 NULL
120652 +lstcon_session_info_30425 lstcon_session_info 6 30425 NULL
120653 +enable_write_30456 enable_write 3 30456 NULL
120654 +tx_tx_template_programmed_read_30461 tx_tx_template_programmed_read 3 30461 NULL
120655 +urandom_read_30462 urandom_read 3 30462 NULL
120656 +zoran_ioctl_30465 zoran_ioctl 2 30465 NULL
120657 +adu_write_30487 adu_write 3 30487 NULL
120658 +dtim_interval_write_30489 dtim_interval_write 3 30489 NULL
120659 +batadv_send_tt_request_30493 batadv_send_tt_request 5 30493 NULL
120660 +memblock_virt_alloc_node_30515 memblock_virt_alloc_node 1 30515 NULL
120661 +dwc3_testmode_write_30516 dwc3_testmode_write 3 30516 NULL
120662 +debug_debug2_read_30526 debug_debug2_read 3 30526 NULL nohasharray
120663 +set_config_30526 set_config 0 30526 &debug_debug2_read_30526
120664 +xfs_sb_version_hasftype_30559 xfs_sb_version_hasftype 0 30559 NULL nohasharray
120665 +ixgbevf_acquire_msix_vectors_30559 ixgbevf_acquire_msix_vectors 2 30559 &xfs_sb_version_hasftype_30559
120666 +disk_expand_part_tbl_30561 disk_expand_part_tbl 2 30561 NULL
120667 +set_le_30581 set_le 4 30581 NULL
120668 +blk_init_tags_30592 blk_init_tags 1 30592 NULL
120669 +sgl_map_user_pages_30610 sgl_map_user_pages 2 30610 NULL
120670 +SyS_msgrcv_30611 SyS_msgrcv 3 30611 NULL
120671 +macvtap_sendmsg_30629 macvtap_sendmsg 4 30629 NULL
120672 +ieee80211_if_read_dot11MeshAwakeWindowDuration_30631 ieee80211_if_read_dot11MeshAwakeWindowDuration 3 30631 NULL
120673 +compat_raw_setsockopt_30634 compat_raw_setsockopt 5 30634 NULL
120674 +mlx5_ib_alloc_fast_reg_page_list_30638 mlx5_ib_alloc_fast_reg_page_list 2 30638 NULL
120675 +SyS_listxattr_30647 SyS_listxattr 3 30647 NULL
120676 +jffs2_flash_read_30667 jffs2_flash_read 0 30667 NULL
120677 +ni_ai_fifo_read_30681 ni_ai_fifo_read 3 30681 NULL
120678 +sst_hsw_get_dsp_position_30691 sst_hsw_get_dsp_position 0 30691 NULL
120679 +get_pages_alloc_iovec_30699 get_pages_alloc_iovec 3-0 30699 NULL
120680 +dccp_setsockopt_ccid_30701 dccp_setsockopt_ccid 4 30701 NULL
120681 +lbs_wrbbp_write_30712 lbs_wrbbp_write 3 30712 NULL
120682 +lbs_debugfs_read_30721 lbs_debugfs_read 3 30721 NULL
120683 +snd_nm256_playback_silence_30727 snd_nm256_playback_silence 4-3 30727 NULL
120684 +snapshot_status_30744 snapshot_status 5 30744 NULL
120685 +fuse_direct_IO_30753 fuse_direct_IO 4 30753 NULL
120686 +fuse_conn_limit_write_30777 fuse_conn_limit_write 3 30777 NULL
120687 +__bio_alloc_30787 __bio_alloc 3 30787 NULL
120688 +smk_read_doi_30813 smk_read_doi 3 30813 NULL
120689 +get_kobj_path_length_30831 get_kobj_path_length 0 30831 NULL
120690 +ath10k_write_fw_dbglog_30835 ath10k_write_fw_dbglog 3 30835 NULL
120691 +of_gpio_named_count_30841 of_gpio_named_count 0 30841 NULL
120692 +sctp_setsockopt_auth_chunk_30843 sctp_setsockopt_auth_chunk 3 30843 NULL
120693 +cfg80211_rx_mgmt_30844 cfg80211_rx_mgmt 5 30844 NULL
120694 +wd_autoreset_write_30862 wd_autoreset_write 3 30862 NULL
120695 +ieee80211_if_fmt_dropped_frames_no_route_30884 ieee80211_if_fmt_dropped_frames_no_route 3 30884 NULL
120696 +pn_recvmsg_30887 pn_recvmsg 4 30887 NULL
120697 +copy_to_iter_30901 copy_to_iter 2 30901 NULL
120698 +usnic_debugfs_buildinfo_read_30928 usnic_debugfs_buildinfo_read 3 30928 NULL
120699 +sctp_setsockopt_rtoinfo_30941 sctp_setsockopt_rtoinfo 3 30941 NULL
120700 +tty_insert_flip_string_flags_30969 tty_insert_flip_string_flags 4 30969 NULL
120701 +huge_page_mask_30981 huge_page_mask 0 30981 NULL
120702 +read_file_bt_ant_diversity_30983 read_file_bt_ant_diversity 3 30983 NULL
120703 +lbs_host_sleep_read_31013 lbs_host_sleep_read 3 31013 NULL
120704 +ima_eventsig_init_31022 ima_eventsig_init 5 31022 NULL
120705 +template_fmt_size_31033 template_fmt_size 0 31033 NULL
120706 +stride_pg_count_31053 stride_pg_count 0-3-2-1-4-5 31053 NULL
120707 +lbs_failcount_read_31063 lbs_failcount_read 3 31063 NULL
120708 +sctp_setsockopt_context_31091 sctp_setsockopt_context 3 31091 NULL
120709 +proc_gid_map_write_31093 proc_gid_map_write 3 31093 NULL
120710 +depth_read_31112 depth_read 3 31112 NULL
120711 +hash_ipportnet6_expire_31118 hash_ipportnet6_expire 4 31118 NULL
120712 +kimage_normal_alloc_31140 kimage_normal_alloc 3 31140 NULL
120713 +size_inside_page_31141 size_inside_page 0 31141 NULL
120714 +w9966_v4l_read_31148 w9966_v4l_read 3 31148 NULL
120715 +nvme_set_features_31169 nvme_set_features 0 31169 NULL
120716 +ch_do_scsi_31171 ch_do_scsi 4 31171 NULL
120717 +r592_read_fifo_pio_31198 r592_read_fifo_pio 3 31198 NULL
120718 +mtdchar_readoob_31200 mtdchar_readoob 4 31200 NULL
120719 +cpumask_weight_31215 cpumask_weight 0 31215 NULL
120720 +__read_reg_31216 __read_reg 0 31216 NULL
120721 +atm_get_addr_31221 atm_get_addr 3 31221 NULL
120722 +tcp_recvmsg_31238 tcp_recvmsg 4 31238 NULL
120723 +cyy_readb_31240 cyy_readb 0 31240 NULL
120724 +_create_sg_bios_31244 _create_sg_bios 4 31244 NULL
120725 +ieee80211_if_read_last_beacon_31257 ieee80211_if_read_last_beacon 3 31257 NULL
120726 +hash_netportnet4_expire_31290 hash_netportnet4_expire 4 31290 NULL
120727 +iwl_dbgfs_set_nic_temperature_read_31300 iwl_dbgfs_set_nic_temperature_read 3 31300 NULL
120728 +uvc_simplify_fraction_31303 uvc_simplify_fraction 3 31303 NULL
120729 +sisusbcon_scroll_31315 sisusbcon_scroll 5-2-3 31315 NULL
120730 +command_file_write_31318 command_file_write 3 31318 NULL
120731 +hwerr_crcbits_31334 hwerr_crcbits 4 31334 NULL
120732 +_regmap_raw_multi_reg_write_31336 _regmap_raw_multi_reg_write 3 31336 NULL
120733 +em28xx_init_usb_xfer_31337 em28xx_init_usb_xfer 4-6 31337 NULL
120734 +outlen_write_31358 outlen_write 3 31358 NULL
120735 +ieee80211_rx_mgmt_auth_31366 ieee80211_rx_mgmt_auth 3 31366 NULL
120736 +xprt_rdma_allocate_31372 xprt_rdma_allocate 2 31372 NULL
120737 +vb2_vmalloc_get_userptr_31374 vb2_vmalloc_get_userptr 3-2 31374 NULL
120738 +trace_parser_get_init_31379 trace_parser_get_init 2 31379 NULL
120739 +inb_31388 inb 0 31388 NULL
120740 +mp_ioapic_pin_count_31393 mp_ioapic_pin_count 0 31393 NULL
120741 +key_ifindex_read_31411 key_ifindex_read 3 31411 NULL
120742 +_sp2d_max_pg_31422 _sp2d_max_pg 0 31422 NULL
120743 +TSS_checkhmac1_31429 TSS_checkhmac1 5 31429 NULL
120744 +snd_aw2_saa7146_get_hw_ptr_capture_31431 snd_aw2_saa7146_get_hw_ptr_capture 0 31431 NULL
120745 +transport_alloc_session_tags_31449 transport_alloc_session_tags 2-3 31449 NULL
120746 +opera1_xilinx_rw_31453 opera1_xilinx_rw 5 31453 NULL
120747 +xfs_btree_get_numrecs_31477 xfs_btree_get_numrecs 0 31477 NULL
120748 +alg_setkey_31485 alg_setkey 3 31485 NULL
120749 +rds_message_map_pages_31487 rds_message_map_pages 2 31487 NULL
120750 +qsfp_2_read_31491 qsfp_2_read 3 31491 NULL
120751 +__alloc_bootmem_31498 __alloc_bootmem 1 31498 NULL
120752 +hidraw_write_31536 hidraw_write 3 31536 NULL
120753 +usbvision_read_31555 usbvision_read 3 31555 NULL
120754 +tx_frag_tkip_called_read_31575 tx_frag_tkip_called_read 3 31575 NULL
120755 +get_max_inline_xattr_value_size_31578 get_max_inline_xattr_value_size 0 31578 NULL
120756 +osst_write_31581 osst_write 3 31581 NULL
120757 +snd_compr_get_avail_31584 snd_compr_get_avail 0 31584 NULL
120758 +iwl_dbgfs_ucode_tx_stats_read_31611 iwl_dbgfs_ucode_tx_stats_read 3 31611 NULL
120759 +memblock_virt_alloc_nopanic_31617 memblock_virt_alloc_nopanic 1 31617 NULL nohasharray
120760 +arvo_sysfs_read_31617 arvo_sysfs_read 6 31617 &memblock_virt_alloc_nopanic_31617
120761 +usnic_ib_dump_vf_31623 usnic_ib_dump_vf 3 31623 NULL
120762 +videobuf_read_one_31637 videobuf_read_one 3 31637 NULL
120763 +pod_alloc_sysex_buffer_31651 pod_alloc_sysex_buffer 3 31651 NULL
120764 +xfer_secondary_pool_31661 xfer_secondary_pool 2 31661 NULL
120765 +__lgread_31668 __lgread 4 31668 NULL
120766 +copy_from_user_nmi_31672 copy_from_user_nmi 3-0 31672 NULL
120767 +forced_ps_read_31685 forced_ps_read 3 31685 NULL
120768 +fst_recover_rx_error_31687 fst_recover_rx_error 3 31687 NULL
120769 +rs_pretty_print_rate_31727 rs_pretty_print_rate 0 31727 NULL
120770 +lu_buf_check_and_grow_31735 lu_buf_check_and_grow 2 31735 NULL nohasharray
120771 +utf16s_to_utf8s_31735 utf16s_to_utf8s 0 31735 &lu_buf_check_and_grow_31735
120772 +shmem_pwrite_slow_31741 shmem_pwrite_slow 3-2 31741 NULL
120773 +input_abs_get_max_31742 input_abs_get_max 0 31742 NULL nohasharray
120774 +NCR_700_change_queue_depth_31742 NCR_700_change_queue_depth 2 31742 &input_abs_get_max_31742
120775 +bcm_char_read_31750 bcm_char_read 3 31750 NULL
120776 +snd_seq_device_new_31753 snd_seq_device_new 4 31753 NULL
120777 +SyS_lsetxattr_31766 SyS_lsetxattr 4 31766 NULL
120778 +usblp_cache_device_id_string_31790 usblp_cache_device_id_string 0 31790 NULL
120779 +get_count_order_31800 get_count_order 0 31800 NULL
120780 +ecryptfs_send_message_locked_31801 ecryptfs_send_message_locked 2 31801 NULL
120781 +isr_rx_procs_read_31804 isr_rx_procs_read 3 31804 NULL
120782 +data_write_31805 data_write 3 31805 NULL
120783 +SyS_msgsnd_31814 SyS_msgsnd 3 31814 NULL
120784 +strnlen_user_31815 strnlen_user 0-2 31815 NULL
120785 +sta_last_signal_read_31818 sta_last_signal_read 3 31818 NULL
120786 +clone_bio_31854 clone_bio 4-3 31854 NULL
120787 +SyS_ppoll_31855 SyS_ppoll 2 31855 NULL
120788 +iwl_dbgfs_disable_ht40_write_31876 iwl_dbgfs_disable_ht40_write 3 31876 NULL
120789 +drm_mode_crtc_set_gamma_size_31881 drm_mode_crtc_set_gamma_size 2 31881 NULL
120790 +ddb_output_write_31902 ddb_output_write 3-0 31902 NULL
120791 +xattr_permission_31907 xattr_permission 0 31907 NULL
120792 +lu_buf_realloc_31915 lu_buf_realloc 2 31915 NULL
120793 +new_dir_31919 new_dir 3 31919 NULL
120794 +kmem_alloc_31920 kmem_alloc 1 31920 NULL
120795 +era_status_31934 era_status 5 31934 NULL
120796 +SYSC_sethostname_31940 SYSC_sethostname 2 31940 NULL
120797 +read_mem_31942 read_mem 3 31942 NULL
120798 +ext4_zero_range_31944 ext4_zero_range 3-2 31944 NULL
120799 +vb2_write_31948 vb2_write 3 31948 NULL
120800 +pvr2_ctrl_get_valname_31951 pvr2_ctrl_get_valname 4 31951 NULL
120801 +regcache_rbtree_sync_31964 regcache_rbtree_sync 2 31964 NULL
120802 +iwl_rx_packet_payload_len_31965 iwl_rx_packet_payload_len 0 31965 NULL
120803 +copy_from_user_toio_31966 copy_from_user_toio 3 31966 NULL
120804 +iblock_execute_rw_31982 iblock_execute_rw 3 31982 NULL nohasharray
120805 +vx_read_status_31982 vx_read_status 0 31982 &iblock_execute_rw_31982
120806 +find_next_zero_bit_31990 find_next_zero_bit 0 31990 NULL
120807 +lustre_acl_xattr_merge2posix_31992 lustre_acl_xattr_merge2posix 2 31992 NULL
120808 +sysfs_create_file_31996 sysfs_create_file 0 31996 NULL
120809 +calc_hmac_32010 calc_hmac 3 32010 NULL
120810 +aead_len_32021 aead_len 0 32021 NULL
120811 +sci_dma_rx_push_32029 sci_dma_rx_push 2 32029 NULL
120812 +stk_read_32038 stk_read 3 32038 NULL
120813 +SYSC_llistxattr_32061 SYSC_llistxattr 3 32061 NULL
120814 +proc_scsi_devinfo_write_32064 proc_scsi_devinfo_write 3 32064 NULL
120815 +cow_file_range_inline_32091 cow_file_range_inline 3 32091 NULL
120816 +kiblnd_alloc_pages_32092 kiblnd_alloc_pages 3 32092 NULL
120817 +bio_alloc_32095 bio_alloc 2 32095 NULL
120818 +ath6kl_fwlog_read_32101 ath6kl_fwlog_read 3 32101 NULL
120819 +wil_read_file_recovery_32104 wil_read_file_recovery 3 32104 NULL
120820 +disk_status_32120 disk_status 4 32120 NULL
120821 +kobject_add_internal_32133 kobject_add_internal 0 32133 NULL
120822 +venus_link_32165 venus_link 5 32165 NULL
120823 +ocfs2_direct_IO_32168 ocfs2_direct_IO 4 32168 NULL
120824 +do_writepages_32173 do_writepages 0 32173 NULL
120825 +del_ptr_32197 del_ptr 4 32197 NULL
120826 +wusb_ccm_mac_32199 wusb_ccm_mac 7 32199 NULL
120827 +riva_get_cmap_len_32218 riva_get_cmap_len 0 32218 NULL
120828 +caif_seqpkt_recvmsg_32241 caif_seqpkt_recvmsg 4 32241 NULL
120829 +lbs_lowrssi_read_32242 lbs_lowrssi_read 3 32242 NULL
120830 +ocfs2_xattr_find_entry_32260 ocfs2_xattr_find_entry 0 32260 NULL
120831 +kvm_set_spte_hva_32312 kvm_set_spte_hva 2 32312 NULL
120832 +cas_calc_tabort_32316 cas_calc_tabort 0 32316 NULL
120833 +SyS_select_32319 SyS_select 1 32319 NULL
120834 +nouveau_bar_create__32332 nouveau_bar_create_ 4 32332 NULL
120835 +nl80211_send_mlme_event_32337 nl80211_send_mlme_event 4 32337 NULL
120836 +t4_alloc_mem_32342 t4_alloc_mem 1 32342 NULL
120837 +dispatch_ioctl_32357 dispatch_ioctl 2 32357 NULL nohasharray
120838 +rx_streaming_always_write_32357 rx_streaming_always_write 3 32357 &dispatch_ioctl_32357
120839 +sel_read_initcon_32362 sel_read_initcon 3 32362 NULL nohasharray
120840 +ReadHDLCPCI_32362 ReadHDLCPCI 0 32362 &sel_read_initcon_32362
120841 +ll_setxattr_common_32398 ll_setxattr_common 4 32398 NULL
120842 +xfs_iext_add_indirect_multi_32400 xfs_iext_add_indirect_multi 3 32400 NULL
120843 +vmci_qp_alloc_32405 vmci_qp_alloc 5-3 32405 NULL
120844 +cache_status_32462 cache_status 5 32462 NULL
120845 +fill_readbuf_32464 fill_readbuf 3 32464 NULL
120846 +ide_driver_proc_write_32493 ide_driver_proc_write 3 32493 NULL
120847 +bypass_pwoff_write_32499 bypass_pwoff_write 3 32499 NULL
120848 +mdc_pinger_recov_seq_write_32510 mdc_pinger_recov_seq_write 3 32510 NULL
120849 +ctrl_std_val_to_sym_32516 ctrl_std_val_to_sym 5 32516 NULL
120850 +disconnect_32521 disconnect 4 32521 NULL
120851 +qsfp_read_32522 qsfp_read 0-2-4 32522 NULL
120852 +ilo_read_32531 ilo_read 3 32531 NULL
120853 +ieee80211_if_read_estab_plinks_32533 ieee80211_if_read_estab_plinks 3 32533 NULL
120854 +format_devstat_counter_32550 format_devstat_counter 3 32550 NULL
120855 +aes_encrypt_fail_read_32562 aes_encrypt_fail_read 3 32562 NULL
120856 +osc_iocontrol_32565 osc_iocontrol 3 32565 NULL
120857 +mem_swapout_entry_32586 mem_swapout_entry 3 32586 NULL
120858 +pipeline_tcp_tx_stat_fifo_int_read_32589 pipeline_tcp_tx_stat_fifo_int_read 3 32589 NULL
120859 +read_file_beacon_32595 read_file_beacon 3 32595 NULL
120860 +ieee80211_if_read_dropped_frames_congestion_32603 ieee80211_if_read_dropped_frames_congestion 3 32603 NULL
120861 +irda_recvmsg_dgram_32631 irda_recvmsg_dgram 4 32631 NULL
120862 +cfg80211_roamed_32632 cfg80211_roamed 5-7 32632 NULL
120863 +xpcs_reg_value_read_32644 xpcs_reg_value_read 3 32644 NULL
120864 +kvmalloc_32646 kvmalloc 1 32646 NULL
120865 +ib_sg_dma_len_32649 ib_sg_dma_len 0 32649 NULL
120866 +generic_readlink_32654 generic_readlink 3 32654 NULL
120867 +move_addr_to_kernel_32673 move_addr_to_kernel 2 32673 NULL
120868 +compat_SyS_preadv_32679 compat_SyS_preadv 3 32679 NULL
120869 +jfs_readpages_32702 jfs_readpages 4 32702 NULL
120870 +rt2x00debug_read_queue_dump_32712 rt2x00debug_read_queue_dump 3 32712 NULL
120871 +_xfs_buf_get_pages_32715 _xfs_buf_get_pages 2 32715 NULL
120872 +megasas_change_queue_depth_32747 megasas_change_queue_depth 2 32747 NULL
120873 +stats_read_ul_32751 stats_read_ul 3 32751 NULL
120874 +vmci_transport_dgram_dequeue_32775 vmci_transport_dgram_dequeue 4 32775 NULL
120875 +sctp_tsnmap_grow_32784 sctp_tsnmap_grow 2 32784 NULL
120876 +rproc_name_read_32805 rproc_name_read 3 32805 NULL
120877 +sta_tx_latency_stat_read_32862 sta_tx_latency_stat_read 3 32862 NULL
120878 +new_tape_buffer_32866 new_tape_buffer 2 32866 NULL
120879 +cifs_writedata_alloc_32880 cifs_writedata_alloc 1 32880 NULL nohasharray
120880 +ath6kl_usb_submit_ctrl_in_32880 ath6kl_usb_submit_ctrl_in 6 32880 &cifs_writedata_alloc_32880
120881 +vp702x_usb_inout_cmd_32884 vp702x_usb_inout_cmd 4-6 32884 NULL
120882 +visorchannel_dump_section_32893 visorchannel_dump_section 4 32893 NULL
120883 +tipc_link_iovec_xmit_fast_32913 tipc_link_iovec_xmit_fast 3 32913 NULL nohasharray
120884 +il_dbgfs_tx_stats_read_32913 il_dbgfs_tx_stats_read 3 32913 &tipc_link_iovec_xmit_fast_32913
120885 +zlib_inflate_workspacesize_32927 zlib_inflate_workspacesize 0 32927 NULL
120886 +rmap_recycle_32938 rmap_recycle 3 32938 NULL
120887 +ptlrpc_prep_bulk_imp_32997 ptlrpc_prep_bulk_imp 2 32997 NULL
120888 +compat_filldir_32999 compat_filldir 3 32999 NULL
120889 +SyS_syslog_33007 SyS_syslog 3 33007 NULL
120890 +br_multicast_set_hash_max_33012 br_multicast_set_hash_max 2 33012 NULL
120891 +write_file_bt_ant_diversity_33019 write_file_bt_ant_diversity 3 33019 NULL
120892 +mic_virtio_copy_to_user_33048 mic_virtio_copy_to_user 3 33048 NULL
120893 +SYSC_lgetxattr_33049 SYSC_lgetxattr 4 33049 NULL
120894 +pipeline_dec_packet_in_fifo_full_read_33052 pipeline_dec_packet_in_fifo_full_read 3 33052 NULL
120895 +ebt_compat_match_offset_33053 ebt_compat_match_offset 0-2 33053 NULL
120896 +bitmap_resize_33054 bitmap_resize 2 33054 NULL
120897 +stats_dot11RTSSuccessCount_read_33065 stats_dot11RTSSuccessCount_read 3 33065 NULL
120898 +sel_read_checkreqprot_33068 sel_read_checkreqprot 3 33068 NULL
120899 +alloc_tio_33077 alloc_tio 3 33077 NULL
120900 +acl_permission_check_33083 acl_permission_check 0 33083 NULL
120901 +f2fs_llseek_33098 f2fs_llseek 2 33098 NULL
120902 +fb_sys_write_33130 fb_sys_write 3 33130 NULL
120903 +SyS_poll_33152 SyS_poll 2 33152 NULL
120904 +_pci_add_cap_save_buffer_33153 _pci_add_cap_save_buffer 4 33153 NULL
120905 +debug_debug6_read_33168 debug_debug6_read 3 33168 NULL
120906 +dataflash_read_fact_otp_33204 dataflash_read_fact_otp 3-2 33204 NULL
120907 +pp_read_33210 pp_read 3 33210 NULL
120908 +snd_pcm_plug_client_size_33267 snd_pcm_plug_client_size 0-2 33267 NULL
120909 +cachefiles_cook_key_33274 cachefiles_cook_key 2 33274 NULL
120910 +sync_pt_create_33282 sync_pt_create 2 33282 NULL
120911 +mcs7830_get_reg_33308 mcs7830_get_reg 3 33308 NULL
120912 +isku_sysfs_read_keys_easyzone_33318 isku_sysfs_read_keys_easyzone 6 33318 NULL
120913 +vx_send_irq_dsp_33329 vx_send_irq_dsp 0 33329 NULL
120914 +joydev_ioctl_33343 joydev_ioctl 2 33343 NULL
120915 +lov_stripesize_seq_write_33353 lov_stripesize_seq_write 3 33353 NULL
120916 +create_xattr_datum_33356 create_xattr_datum 5 33356 NULL nohasharray
120917 +irq_pkt_threshold_read_33356 irq_pkt_threshold_read 3 33356 &create_xattr_datum_33356
120918 +read_file_regidx_33370 read_file_regidx 3 33370 NULL
120919 +ieee80211_if_read_dropped_frames_no_route_33383 ieee80211_if_read_dropped_frames_no_route 3 33383 NULL
120920 +scsi_varlen_cdb_length_33385 scsi_varlen_cdb_length 0 33385 NULL
120921 +nvc0_ram_create__33391 nvc0_ram_create_ 5 33391 NULL
120922 +ocfs2_allocate_unwritten_extents_33394 ocfs2_allocate_unwritten_extents 3-2 33394 NULL
120923 +cfs_trace_copyin_string_33396 cfs_trace_copyin_string 4 33396 NULL
120924 +snd_pcm_capture_ioctl1_33408 snd_pcm_capture_ioctl1 0 33408 NULL
120925 +hash_netiface6_expire_33421 hash_netiface6_expire 4 33421 NULL
120926 +dis_tap_write_33426 dis_tap_write 3 33426 NULL
120927 +message_stats_list_33440 message_stats_list 5 33440 NULL
120928 +ovs_vport_alloc_33475 ovs_vport_alloc 1 33475 NULL
120929 +create_entry_33479 create_entry 2 33479 NULL
120930 +ip_setsockopt_33487 ip_setsockopt 5 33487 NULL
120931 +res_counter_read_33499 res_counter_read 4 33499 NULL
120932 +hash_netnet4_expire_33500 hash_netnet4_expire 4 33500 NULL
120933 +fb_read_33506 fb_read 3 33506 NULL
120934 +musb_test_mode_write_33518 musb_test_mode_write 3 33518 NULL
120935 +ahash_setkey_unaligned_33521 ahash_setkey_unaligned 3 33521 NULL
120936 +nes_alloc_fast_reg_page_list_33523 nes_alloc_fast_reg_page_list 2 33523 NULL
120937 +aggr_size_rx_size_read_33526 aggr_size_rx_size_read 3 33526 NULL
120938 +tomoyo_read_self_33539 tomoyo_read_self 3 33539 NULL nohasharray
120939 +osc_max_rpcs_in_flight_seq_write_33539 osc_max_rpcs_in_flight_seq_write 3 33539 &tomoyo_read_self_33539
120940 +count_subheaders_33591 count_subheaders 0 33591 NULL
120941 +scsi_execute_33596 scsi_execute 5 33596 NULL
120942 +comedi_buf_write_n_allocated_33604 comedi_buf_write_n_allocated 0 33604 NULL
120943 +xt_compat_target_offset_33608 xt_compat_target_offset 0 33608 NULL
120944 +il_dbgfs_qos_read_33615 il_dbgfs_qos_read 3 33615 NULL nohasharray
120945 +usb_gstrings_attach_33615 usb_gstrings_attach 3 33615 &il_dbgfs_qos_read_33615
120946 +stride_page_count_33641 stride_page_count 2 33641 NULL
120947 +irq_blk_threshold_read_33666 irq_blk_threshold_read 3 33666 NULL
120948 +inw_p_33668 inw_p 0 33668 NULL
120949 +arp_hdr_len_33671 arp_hdr_len 0 33671 NULL
120950 +i2c_hid_alloc_buffers_33673 i2c_hid_alloc_buffers 2 33673 NULL
120951 +nv50_disp_dmac_create__33696 nv50_disp_dmac_create_ 6 33696 NULL
120952 +netlink_sendmsg_33708 netlink_sendmsg 4 33708 NULL
120953 +tipc_link_stats_33716 tipc_link_stats 3 33716 NULL
120954 +pvr2_stream_buffer_count_33719 pvr2_stream_buffer_count 2 33719 NULL
120955 +write_file_spectral_count_33723 write_file_spectral_count 3 33723 NULL
120956 +read_file_node_recv_33729 read_file_node_recv 3 33729 NULL
120957 +__mutex_lock_interruptible_slowpath_33735 __mutex_lock_interruptible_slowpath 0 33735 NULL
120958 +vifs_state_read_33762 vifs_state_read 3 33762 NULL
120959 +hashtab_create_33769 hashtab_create 3 33769 NULL
120960 +__btrfs_free_reserved_extent_33782 __btrfs_free_reserved_extent 2 33782 NULL
120961 +if_sdio_read_rx_len_33800 if_sdio_read_rx_len 0 33800 NULL
120962 +filter_write_33819 filter_write 3 33819 NULL
120963 +sep_create_msgarea_context_33829 sep_create_msgarea_context 4 33829 NULL
120964 +scrub_setup_recheck_block_33831 scrub_setup_recheck_block 5-4 33831 NULL
120965 +ext4_journal_extend_33835 ext4_journal_extend 2 33835 NULL
120966 +oz_cdev_write_33852 oz_cdev_write 3 33852 NULL
120967 +azx_get_pos_posbuf_33867 azx_get_pos_posbuf 0 33867 NULL
120968 +get_user_pages_33908 get_user_pages 0 33908 NULL
120969 +sg_nents_33909 sg_nents 0 33909 NULL
120970 +ath6kl_roam_mode_write_33912 ath6kl_roam_mode_write 3 33912 NULL
120971 +queue_logical_block_size_33918 queue_logical_block_size 0 33918 NULL
120972 +sel_read_avc_cache_threshold_33942 sel_read_avc_cache_threshold 3 33942 NULL
120973 +lpfc_idiag_ctlacc_read_33943 lpfc_idiag_ctlacc_read 3 33943 NULL
120974 +read_file_tgt_rx_stats_33944 read_file_tgt_rx_stats 3 33944 NULL
120975 +rs_sta_dbgfs_drv_tx_stats_read_33946 rs_sta_dbgfs_drv_tx_stats_read 3 33946 NULL
120976 +__proc_dump_kernel_33954 __proc_dump_kernel 5 33954 NULL
120977 +vga_switcheroo_debugfs_write_33984 vga_switcheroo_debugfs_write 3 33984 NULL
120978 +lbs_lowrssi_write_34025 lbs_lowrssi_write 3 34025 NULL
120979 +ppp_write_34034 ppp_write 3 34034 NULL
120980 +tty_insert_flip_string_34042 tty_insert_flip_string 3-0 34042 NULL
120981 +bm_page_io_async_34050 bm_page_io_async 2 34050 NULL
120982 +calc_linear_pos_34067 calc_linear_pos 0-4 34067 NULL
120983 +memcg_update_all_caches_34068 memcg_update_all_caches 1 34068 NULL
120984 +pipeline_pipeline_fifo_full_read_34095 pipeline_pipeline_fifo_full_read 3 34095 NULL
120985 +__irq_domain_add_34101 __irq_domain_add 2 34101 NULL
120986 +proc_scsi_host_write_34107 proc_scsi_host_write 3 34107 NULL
120987 +islpci_mgt_transmit_34133 islpci_mgt_transmit 5 34133 NULL
120988 +ttm_dma_page_pool_free_34135 ttm_dma_page_pool_free 2-0 34135 NULL
120989 +ixgbe_dbg_netdev_ops_write_34141 ixgbe_dbg_netdev_ops_write 3 34141 NULL
120990 +shmem_pread_fast_34147 shmem_pread_fast 3 34147 NULL
120991 +skb_to_sgvec_34171 skb_to_sgvec 0 34171 NULL
120992 +rsi_debug_zone_write_34206 rsi_debug_zone_write 3 34206 NULL nohasharray
120993 +rbd_osd_req_create_34206 rbd_osd_req_create 3 34206 &rsi_debug_zone_write_34206
120994 +ext4_da_write_begin_34215 ext4_da_write_begin 3-4 34215 NULL
120995 +bl_pipe_downcall_34264 bl_pipe_downcall 3 34264 NULL
120996 +device_private_init_34279 device_private_init 0 34279 NULL
120997 +xgmac_reg_addr_write_34284 xgmac_reg_addr_write 3 34284 NULL
120998 +ext4_get_groups_count_34324 ext4_get_groups_count 0 34324 NULL
120999 +pcpu_need_to_extend_34326 pcpu_need_to_extend 0 34326 NULL nohasharray
121000 +iov_iter_single_seg_count_34326 iov_iter_single_seg_count 0 34326 &pcpu_need_to_extend_34326
121001 +proc_thread_self_readlink_34357 proc_thread_self_readlink 3 34357 NULL
121002 +crypto_ablkcipher_ivsize_34363 crypto_ablkcipher_ivsize 0 34363 NULL nohasharray
121003 +sync_page_io_34363 sync_page_io 3 34363 &crypto_ablkcipher_ivsize_34363
121004 +rngapi_reset_34366 rngapi_reset 3 34366 NULL
121005 +ea_read_34378 ea_read 0 34378 NULL nohasharray
121006 +_iwl_dbgfs_low_latency_write_34378 _iwl_dbgfs_low_latency_write 3 34378 &ea_read_34378
121007 +fuse_send_read_34379 fuse_send_read 0-4 34379 NULL
121008 +av7110_vbi_write_34384 av7110_vbi_write 3 34384 NULL
121009 +usbvision_v4l2_read_34386 usbvision_v4l2_read 3 34386 NULL
121010 +read_rbu_image_type_34387 read_rbu_image_type 6 34387 NULL
121011 +ivtv_read_pos_34400 ivtv_read_pos 3 34400 NULL nohasharray
121012 +iwl_calib_set_34400 iwl_calib_set 3 34400 &ivtv_read_pos_34400
121013 +wd_exp_mode_write_34407 wd_exp_mode_write 3 34407 NULL
121014 +nl80211_send_disassoc_34424 nl80211_send_disassoc 4 34424 NULL
121015 +security_socket_create_34439 security_socket_create 0 34439 NULL
121016 +usbtest_alloc_urb_34446 usbtest_alloc_urb 3-5 34446 NULL
121017 +mwifiex_regrdwr_read_34472 mwifiex_regrdwr_read 3 34472 NULL
121018 +skcipher_sndbuf_34476 skcipher_sndbuf 0 34476 NULL
121019 +i2o_parm_field_get_34477 i2o_parm_field_get 5 34477 NULL
121020 +security_inode_permission_34488 security_inode_permission 0 34488 NULL
121021 +SyS_pwritev_34494 SyS_pwritev 3 34494 NULL
121022 +qp_alloc_res_34496 qp_alloc_res 5 34496 NULL
121023 +lu_buf_check_and_alloc_34505 lu_buf_check_and_alloc 2 34505 NULL
121024 +ext4_fallocate_34537 ext4_fallocate 4-3 34537 NULL nohasharray
121025 +tracing_stats_read_34537 tracing_stats_read 3 34537 &ext4_fallocate_34537
121026 +hugetlbfs_read_actor_34547 hugetlbfs_read_actor 2-5-4-0 34547 NULL
121027 +dbBackSplit_34561 dbBackSplit 0 34561 NULL
121028 +alloc_ieee80211_rsl_34564 alloc_ieee80211_rsl 1 34564 NULL
121029 +ext4_ind_direct_IO_34574 ext4_ind_direct_IO 4 34574 NULL
121030 +lov_stripecount_seq_write_34582 lov_stripecount_seq_write 3 34582 NULL
121031 +init_send_hfcd_34586 init_send_hfcd 1 34586 NULL
121032 +inet6_ifla6_size_34591 inet6_ifla6_size 0 34591 NULL
121033 +ceph_msgpool_init_34599 ceph_msgpool_init 4 34599 NULL nohasharray
121034 +cw1200_queue_init_34599 cw1200_queue_init 4 34599 &ceph_msgpool_init_34599
121035 +bio_integrity_bytes_34602 bio_integrity_bytes 2 34602 NULL
121036 +__jffs2_ref_totlen_34609 __jffs2_ref_totlen 0 34609 NULL
121037 +__cfg80211_disconnected_34622 __cfg80211_disconnected 3 34622 NULL
121038 +cnic_alloc_dma_34641 cnic_alloc_dma 3 34641 NULL
121039 +kvm_set_spte_hva_34671 kvm_set_spte_hva 2 34671 NULL
121040 +sleep_auth_write_34676 sleep_auth_write 3 34676 NULL
121041 +f2fs_direct_IO_34685 f2fs_direct_IO 4 34685 NULL
121042 +isr_fiqs_read_34687 isr_fiqs_read 3 34687 NULL
121043 +batadv_tvlv_realloc_packet_buff_34688 batadv_tvlv_realloc_packet_buff 3-4 34688 NULL
121044 +port_print_34704 port_print 3 34704 NULL
121045 +ieee80211_if_read_num_sta_ps_34722 ieee80211_if_read_num_sta_ps 3 34722 NULL
121046 +platform_list_read_file_34734 platform_list_read_file 3 34734 NULL
121047 +reg_w_ixbuf_34736 reg_w_ixbuf 4 34736 NULL
121048 +lsm_alloc_plain_34755 lsm_alloc_plain 1 34755 NULL
121049 +bootmode_store_34762 bootmode_store 4 34762 NULL
121050 +device_add_34766 device_add 0 34766 NULL
121051 +qib_cdev_init_34778 qib_cdev_init 1 34778 NULL
121052 +ext3_direct_IO_34798 ext3_direct_IO 4 34798 NULL
121053 +SYSC_keyctl_34800 SYSC_keyctl 4 34800 NULL
121054 +can_nocow_extent_34801 can_nocow_extent 2 34801 NULL
121055 +drbd_get_max_capacity_34804 drbd_get_max_capacity 0 34804 NULL
121056 +ll_setxattr_34806 ll_setxattr 4 34806 NULL
121057 +file_page_index_34820 file_page_index 0-2 34820 NULL
121058 +bio_segments_34832 bio_segments 0 34832 NULL
121059 +b43_debugfs_write_34838 b43_debugfs_write 3 34838 NULL
121060 +nl_portid_hash_zalloc_34843 nl_portid_hash_zalloc 1 34843 NULL
121061 +acpi_system_write_wakeup_device_34853 acpi_system_write_wakeup_device 3 34853 NULL
121062 +usb_serial_generic_prepare_write_buffer_34857 usb_serial_generic_prepare_write_buffer 3 34857 NULL
121063 +ieee80211_if_read_txpower_34871 ieee80211_if_read_txpower 3 34871 NULL
121064 +msg_print_text_34889 msg_print_text 0 34889 NULL
121065 +ieee80211_if_write_34894 ieee80211_if_write 3 34894 NULL
121066 +si476x_radio_read_rsq_primary_blob_34916 si476x_radio_read_rsq_primary_blob 3 34916 NULL
121067 +btrfs_super_chunk_root_34925 btrfs_super_chunk_root 0 34925 NULL nohasharray
121068 +__inode_permission_34925 __inode_permission 0 34925 &btrfs_super_chunk_root_34925
121069 +sec_flags2str_34933 sec_flags2str 3 34933 NULL
121070 +snd_info_entry_read_34938 snd_info_entry_read 3 34938 NULL
121071 +compat_SyS_kexec_load_34947 compat_SyS_kexec_load 2 34947 NULL
121072 +do_add_page_to_bio_34974 do_add_page_to_bio 2-10 34974 NULL
121073 +sdebug_change_qdepth_34994 sdebug_change_qdepth 2 34994 NULL
121074 +rx_rx_hdr_overflow_read_35002 rx_rx_hdr_overflow_read 3 35002 NULL
121075 +l2cap_skbuff_fromiovec_35003 l2cap_skbuff_fromiovec 4-3 35003 NULL
121076 +sisusb_copy_memory_35016 sisusb_copy_memory 4 35016 NULL
121077 +coda_psdev_read_35029 coda_psdev_read 3 35029 NULL
121078 +hwdep_read_locked_35037 hwdep_read_locked 3 35037 NULL
121079 +proc_setgroups_write_35039 proc_setgroups_write 3 35039 NULL
121080 +pwr_connection_out_of_sync_read_35061 pwr_connection_out_of_sync_read 3 35061 NULL
121081 +__kfifo_uint_must_check_helper_35097 __kfifo_uint_must_check_helper 0-1 35097 NULL
121082 +capi_write_35104 capi_write 3 35104 NULL nohasharray
121083 +tx_tx_done_template_read_35104 tx_tx_done_template_read 3 35104 &capi_write_35104
121084 +ide_settings_proc_write_35110 ide_settings_proc_write 3 35110 NULL
121085 +ceph_osdc_start_request_35122 ceph_osdc_start_request 0 35122 NULL
121086 +addrs_per_inode_35151 addrs_per_inode 0 35151 NULL
121087 +message_stats_print_35158 message_stats_print 6 35158 NULL
121088 +iscsi_conn_setup_35159 iscsi_conn_setup 2 35159 NULL
121089 +ieee80211_if_read_bssid_35161 ieee80211_if_read_bssid 3 35161 NULL
121090 +compat_SyS_pselect6_35203 compat_SyS_pselect6 1 35203 NULL
121091 +unix_stream_recvmsg_35210 unix_stream_recvmsg 4 35210 NULL
121092 +striped_read_35218 striped_read 0-2 35218 NULL nohasharray
121093 +security_key_getsecurity_35218 security_key_getsecurity 0 35218 &striped_read_35218
121094 +rx_rx_cmplt_task_read_35226 rx_rx_cmplt_task_read 3 35226 NULL
121095 +kimage_file_prepare_segments_35232 kimage_file_prepare_segments 5 35232 NULL
121096 +set_fd_set_35249 set_fd_set 1 35249 NULL
121097 +ioapic_setup_resources_35255 ioapic_setup_resources 1 35255 NULL
121098 +dis_disc_write_35265 dis_disc_write 3 35265 NULL
121099 +dma_show_regs_35266 dma_show_regs 3 35266 NULL
121100 +irda_recvmsg_stream_35280 irda_recvmsg_stream 4 35280 NULL
121101 +i2o_block_end_request_35282 i2o_block_end_request 3 35282 NULL
121102 +isr_rx_rdys_read_35283 isr_rx_rdys_read 3 35283 NULL nohasharray
121103 +nvkm_notify_init_35283 nvkm_notify_init 7 35283 &isr_rx_rdys_read_35283
121104 +__btrfs_buffered_write_35311 __btrfs_buffered_write 3 35311 NULL nohasharray
121105 +brcmf_sdio_forensic_read_35311 brcmf_sdio_forensic_read 3 35311 &__btrfs_buffered_write_35311
121106 +tracing_read_pipe_35312 tracing_read_pipe 3 35312 NULL
121107 +sta_tx_latency_stat_write_35323 sta_tx_latency_stat_write 3 35323 NULL
121108 +ieee80211_if_fmt_ap_power_level_35347 ieee80211_if_fmt_ap_power_level 3 35347 NULL
121109 +nouveau_devinit_create__35348 nouveau_devinit_create_ 4 35348 NULL
121110 +ieee80211_rx_mgmt_deauth_35351 ieee80211_rx_mgmt_deauth 3 35351 NULL
121111 +compat_filldir64_35354 compat_filldir64 3 35354 NULL
121112 +read_kmem_35372 read_kmem 3 35372 NULL
121113 +SyS_getxattr_35408 SyS_getxattr 4 35408 NULL
121114 +rawv6_send_hdrinc_35425 rawv6_send_hdrinc 3 35425 NULL
121115 +iwl_dbgfs_drv_rx_stats_read_35430 iwl_dbgfs_drv_rx_stats_read 3 35430 NULL
121116 +buffer_to_user_35439 buffer_to_user 3 35439 NULL
121117 +efx_mcdi_rpc_async_quiet_35460 efx_mcdi_rpc_async_quiet 4-5 35460 NULL
121118 +macvtap_do_read_35475 macvtap_do_read 3 35475 NULL
121119 +fiemap_prepare_and_copy_exts_35494 fiemap_prepare_and_copy_exts 5 35494 NULL
121120 +btrfs_prealloc_file_range_trans_35500 btrfs_prealloc_file_range_trans 4 35500 NULL
121121 +async_setkey_35521 async_setkey 3 35521 NULL
121122 +__filemap_fdatawrite_range_35528 __filemap_fdatawrite_range 0 35528 NULL
121123 +iwl_dbgfs_bt_traffic_read_35534 iwl_dbgfs_bt_traffic_read 3 35534 NULL
121124 +pstore_mkfile_35536 pstore_mkfile 7 35536 NULL
121125 +rxpipe_tx_xfr_host_int_trig_rx_data_read_35538 rxpipe_tx_xfr_host_int_trig_rx_data_read 3 35538 NULL
121126 +ocfs2_write_zero_page_35539 ocfs2_write_zero_page 3 35539 NULL
121127 +ibnl_put_attr_35541 ibnl_put_attr 3 35541 NULL
121128 +ieee80211_if_write_smps_35550 ieee80211_if_write_smps 3 35550 NULL
121129 +C_SYSC_kexec_load_35565 C_SYSC_kexec_load 2 35565 NULL
121130 +ext4_blocks_for_truncate_35579 ext4_blocks_for_truncate 0 35579 NULL
121131 +ext2_acl_from_disk_35580 ext2_acl_from_disk 2 35580 NULL
121132 +spk_msg_set_35586 spk_msg_set 3 35586 NULL
121133 +kernel_readv_35617 kernel_readv 3 35617 NULL
121134 +reiserfs_readpages_35629 reiserfs_readpages 4 35629 NULL
121135 +ptlrpcd_steal_rqset_35637 ptlrpcd_steal_rqset 0 35637 NULL
121136 +spi_register_board_info_35651 spi_register_board_info 2 35651 NULL
121137 +rdmaltWithLock_35669 rdmaltWithLock 0 35669 NULL
121138 +SYSC_pwritev_35690 SYSC_pwritev 3 35690 NULL
121139 +rds_page_copy_user_35691 rds_page_copy_user 4 35691 NULL
121140 +md_super_write_35703 md_super_write 4 35703 NULL
121141 +iwl_dbgfs_disable_ht40_read_35761 iwl_dbgfs_disable_ht40_read 3 35761 NULL
121142 +udf_alloc_i_data_35786 udf_alloc_i_data 2 35786 NULL
121143 +alloc_netdev_mqs_35806 alloc_netdev_mqs 1 35806 NULL
121144 +pvr2_hdw_cpufw_get_35824 pvr2_hdw_cpufw_get 0-4-2 35824 NULL
121145 +tx_tx_cmplt_read_35854 tx_tx_cmplt_read 3 35854 NULL
121146 +vx_query_hbuffer_size_35859 vx_query_hbuffer_size 0 35859 NULL
121147 +mthca_buf_alloc_35861 mthca_buf_alloc 2 35861 NULL
121148 +kvm_dirty_bitmap_bytes_35886 kvm_dirty_bitmap_bytes 0 35886 NULL
121149 +ieee80211_if_fmt_dot11MeshRetryTimeout_35890 ieee80211_if_fmt_dot11MeshRetryTimeout 3 35890 NULL
121150 +uwb_rc_cmd_done_35892 uwb_rc_cmd_done 4 35892 NULL
121151 +kernel_setsockopt_35913 kernel_setsockopt 5 35913 NULL
121152 +rbio_nr_pages_35916 rbio_nr_pages 0-1-2 35916 NULL
121153 +sctp_tsnmap_mark_35929 sctp_tsnmap_mark 2 35929 NULL
121154 +rx_defrag_init_called_read_35935 rx_defrag_init_called_read 3 35935 NULL
121155 +put_cmsg_compat_35937 put_cmsg_compat 4 35937 NULL
121156 +generic_ocp_read_35974 generic_ocp_read 3 35974 NULL nohasharray
121157 +ceph_buffer_new_35974 ceph_buffer_new 1 35974 &generic_ocp_read_35974
121158 +acl_alloc_35979 acl_alloc 1 35979 NULL
121159 +device_add_class_symlinks_35985 device_add_class_symlinks 0 35985 NULL
121160 +write_file_antenna_35998 write_file_antenna 3 35998 NULL nohasharray
121161 +kuc_alloc_35998 kuc_alloc 1 35998 &write_file_antenna_35998
121162 +lov_mds_md_max_stripe_count_36008 lov_mds_md_max_stripe_count 0-1 36008 NULL
121163 +il3945_ucode_tx_stats_read_36016 il3945_ucode_tx_stats_read 3 36016 NULL
121164 +__videobuf_alloc_36031 __videobuf_alloc 1 36031 NULL
121165 +account_shadowed_36048 account_shadowed 2 36048 NULL
121166 +gpio_power_read_36059 gpio_power_read 3 36059 NULL
121167 +write_emulate_36065 write_emulate 2-4 36065 NULL
121168 +stack_max_size_write_36068 stack_max_size_write 3 36068 NULL
121169 +radeon_vm_num_pdes_36070 radeon_vm_num_pdes 0 36070 NULL
121170 +ieee80211_if_fmt_peer_36071 ieee80211_if_fmt_peer 3 36071 NULL
121171 +ieee80211_if_write_tsf_36077 ieee80211_if_write_tsf 3 36077 NULL
121172 +snd_pcm_plug_read_transfer_36080 snd_pcm_plug_read_transfer 0-3 36080 NULL
121173 +mtip_hw_read_device_status_36082 mtip_hw_read_device_status 3 36082 NULL
121174 +vga_arb_write_36112 vga_arb_write 3 36112 NULL
121175 +simple_xattr_alloc_36118 simple_xattr_alloc 2 36118 NULL
121176 +ext3_readpages_36144 ext3_readpages 4 36144 NULL
121177 +twl_set_36154 twl_set 2 36154 NULL
121178 +b1_alloc_card_36155 b1_alloc_card 1 36155 NULL
121179 +snd_korg1212_copy_from_36169 snd_korg1212_copy_from 6 36169 NULL
121180 +SyS_kexec_load_36176 SyS_kexec_load 2 36176 NULL
121181 +ramoops_init_przs_36199 ramoops_init_przs 4 36199 NULL
121182 +SYSC_sched_getaffinity_36208 SYSC_sched_getaffinity 2 36208 NULL
121183 +SYSC_process_vm_readv_36216 SYSC_process_vm_readv 3-5 36216 NULL
121184 +atomic_stats_read_36228 atomic_stats_read 3 36228 NULL
121185 +viafb_iga1_odev_proc_write_36241 viafb_iga1_odev_proc_write 3 36241 NULL
121186 +SYSC_getxattr_36242 SYSC_getxattr 4 36242 NULL
121187 +vmsplice_to_user_36245 vmsplice_to_user 3 36245 NULL nohasharray
121188 +rproc_recovery_read_36245 rproc_recovery_read 3 36245 &vmsplice_to_user_36245
121189 +cfs_hash_buckets_realloc_36276 cfs_hash_buckets_realloc 4 36276 NULL
121190 +codec_reg_read_file_36280 codec_reg_read_file 3 36280 NULL
121191 +crypto_shash_digestsize_36284 crypto_shash_digestsize 0 36284 NULL
121192 +lpfc_debugfs_dif_err_read_36303 lpfc_debugfs_dif_err_read 3 36303 NULL
121193 +cfg80211_rx_mlme_mgmt_36306 cfg80211_rx_mlme_mgmt 3 36306 NULL
121194 +ad7879_spi_xfer_36311 ad7879_spi_xfer 3 36311 NULL
121195 +fat_compat_ioctl_filldir_36328 fat_compat_ioctl_filldir 3 36328 NULL nohasharray
121196 +__compat_sys_pwritev64_36328 __compat_sys_pwritev64 3 36328 &fat_compat_ioctl_filldir_36328
121197 +lc_create_36332 lc_create 4 36332 NULL
121198 +jbd2_journal_init_revoke_table_36336 jbd2_journal_init_revoke_table 1 36336 NULL
121199 +isku_sysfs_read_key_mask_36343 isku_sysfs_read_key_mask 6 36343 NULL
121200 +ath6kl_regwrite_write_36351 ath6kl_regwrite_write 3 36351 NULL
121201 +v9fs_file_readn_36353 v9fs_file_readn 4 36353 NULL
121202 +to_sector_36361 to_sector 0-1 36361 NULL
121203 +tunables_read_36385 tunables_read 3 36385 NULL
121204 +afs_alloc_flat_call_36399 afs_alloc_flat_call 2-3 36399 NULL
121205 +sierra_write_36402 sierra_write 4 36402 NULL
121206 +SyS_sethostname_36417 SyS_sethostname 2 36417 NULL
121207 +soc_pcm_codec_params_fixup_36434 soc_pcm_codec_params_fixup 2 36434 NULL
121208 +ReadW6692B_36445 ReadW6692B 0 36445 NULL
121209 +sctp_tsnmap_init_36446 sctp_tsnmap_init 2 36446 NULL
121210 +alloc_etherdev_mqs_36450 alloc_etherdev_mqs 1 36450 NULL
121211 +SyS_process_vm_writev_36476 SyS_process_vm_writev 3-5 36476 NULL
121212 +b43_nphy_load_samples_36481 b43_nphy_load_samples 3 36481 NULL
121213 +ds1343_nvram_write_36489 ds1343_nvram_write 5-6 36489 NULL
121214 +tx_tx_checksum_result_read_36490 tx_tx_checksum_result_read 3 36490 NULL nohasharray
121215 +ip6_append_data_36490 ip6_append_data 4 36490 &tx_tx_checksum_result_read_36490
121216 +cmd_loop_36491 cmd_loop 0 36491 NULL
121217 +__hwahc_op_set_ptk_36510 __hwahc_op_set_ptk 5 36510 NULL
121218 +mcam_v4l_read_36513 mcam_v4l_read 3 36513 NULL
121219 +_iwl_dbgfs_fw_nmi_write_36515 _iwl_dbgfs_fw_nmi_write 3 36515 NULL
121220 +get_param_l_36518 get_param_l 0 36518 NULL
121221 +ieee80211_if_read_fwded_frames_36520 ieee80211_if_read_fwded_frames 3 36520 NULL
121222 +crypto_aead_authsize_36537 crypto_aead_authsize 0 36537 NULL
121223 +cpu_type_read_36540 cpu_type_read 3 36540 NULL
121224 +__kfifo_to_user_36555 __kfifo_to_user 3-0 36555 NULL
121225 +btrfs_get_token_64_36572 btrfs_get_token_64 0 36572 NULL
121226 +__erst_read_36579 __erst_read 0 36579 NULL
121227 +put_cmsg_36589 put_cmsg 4 36589 NULL
121228 +fat_ioctl_filldir_36621 fat_ioctl_filldir 3 36621 NULL
121229 +vxge_config_vpaths_36636 vxge_config_vpaths 0 36636 NULL
121230 +convert_extent_item_v0_36645 convert_extent_item_v0 4 36645 NULL
121231 +ced_ioctl_36647 ced_ioctl 2 36647 NULL
121232 +lpfc_idiag_extacc_alloc_get_36648 lpfc_idiag_extacc_alloc_get 0-3 36648 NULL
121233 +osd_req_list_collection_objects_36664 osd_req_list_collection_objects 5 36664 NULL
121234 +iscsi_host_alloc_36671 iscsi_host_alloc 2 36671 NULL
121235 +xillybus_read_36678 xillybus_read 3 36678 NULL
121236 +gsmtty_write_36702 gsmtty_write 3 36702 NULL
121237 +path_getxattr_36717 path_getxattr 4 36717 NULL
121238 +snd_rawmidi_kernel_read1_36740 snd_rawmidi_kernel_read1 4-0 36740 NULL
121239 +cxgbi_device_register_36746 cxgbi_device_register 1-2 36746 NULL
121240 +ps_poll_upsd_timeouts_read_36755 ps_poll_upsd_timeouts_read 3 36755 NULL
121241 +ptp_filter_init_36780 ptp_filter_init 2 36780 NULL
121242 +i40e_init_lan_hmc_36796 i40e_init_lan_hmc 5-4-3-2 36796 NULL
121243 +proc_fault_inject_read_36802 proc_fault_inject_read 3 36802 NULL
121244 +hiddev_ioctl_36816 hiddev_ioctl 2 36816 NULL
121245 +int_hardware_entry_36833 int_hardware_entry 3 36833 NULL
121246 +fc_change_queue_depth_36841 fc_change_queue_depth 2 36841 NULL
121247 +keyctl_describe_key_36853 keyctl_describe_key 3 36853 NULL
121248 +cm_write_36858 cm_write 3 36858 NULL
121249 +tipc_link_iovec_long_xmit_36871 tipc_link_iovec_long_xmit 3 36871 NULL nohasharray
121250 +tx_tx_data_programmed_read_36871 tx_tx_data_programmed_read 3 36871 &tipc_link_iovec_long_xmit_36871
121251 +svc_setsockopt_36876 svc_setsockopt 5 36876 NULL
121252 +raid56_parity_write_36877 raid56_parity_write 5 36877 NULL
121253 +__btrfs_map_block_36883 __btrfs_map_block 3 36883 NULL
121254 +ib_ucm_alloc_data_36885 ib_ucm_alloc_data 3 36885 NULL
121255 +selinux_inode_notifysecctx_36896 selinux_inode_notifysecctx 3 36896 NULL
121256 +il4965_rs_sta_dbgfs_scale_table_write_36979 il4965_rs_sta_dbgfs_scale_table_write 3 36979 NULL
121257 +drbd_new_dev_size_36998 drbd_new_dev_size 0-3 36998 NULL
121258 +auok190xfb_write_37001 auok190xfb_write 3 37001 NULL
121259 +setxattr_37006 setxattr 4 37006 NULL
121260 +ec_i2c_xfer_37029 ec_i2c_xfer 3 37029 NULL
121261 +ieee80211_chsw_switch_vifs_37030 ieee80211_chsw_switch_vifs 2 37030 NULL
121262 +command_file_read_37038 command_file_read 3 37038 NULL
121263 +figure_loop_size_37051 figure_loop_size 2-3 37051 NULL
121264 +qp_broker_create_37053 qp_broker_create 6-5 37053 NULL nohasharray
121265 +ieee80211_if_read_drop_unencrypted_37053 ieee80211_if_read_drop_unencrypted 3 37053 &qp_broker_create_37053
121266 +_iwl_dbgfs_bcast_filters_macs_write_37069 _iwl_dbgfs_bcast_filters_macs_write 3 37069 NULL
121267 +SYSC_setxattr_37078 SYSC_setxattr 4 37078 NULL
121268 +parse_command_37079 parse_command 2 37079 NULL
121269 +pipeline_cs_rx_packet_in_read_37089 pipeline_cs_rx_packet_in_read 3 37089 NULL
121270 +tun_get_user_37094 tun_get_user 5 37094 NULL
121271 +has_wrprotected_page_37123 has_wrprotected_page 3-2 37123 NULL
121272 +snd_hda_get_conn_list_37132 snd_hda_get_conn_list 0 37132 NULL
121273 +mtt_free_res_37144 mtt_free_res 5 37144 NULL
121274 +msg_word_37164 msg_word 0 37164 NULL
121275 +vcc_recvmsg_37198 vcc_recvmsg 4 37198 NULL
121276 +forced_ps_write_37209 forced_ps_write 3 37209 NULL
121277 +crypto_shash_descsize_37212 crypto_shash_descsize 0 37212 NULL
121278 +bchannel_get_rxbuf_37213 bchannel_get_rxbuf 2-0 37213 NULL
121279 +regmap_access_read_file_37223 regmap_access_read_file 3 37223 NULL
121280 +__do_replace_37227 __do_replace 5 37227 NULL
121281 +iwl_dbgfs_d3_sram_read_37237 iwl_dbgfs_d3_sram_read 3 37237 NULL
121282 +rx_filter_dup_filter_read_37238 rx_filter_dup_filter_read 3 37238 NULL nohasharray
121283 +__btrfs_inc_extent_ref_37238 __btrfs_inc_extent_ref 7 37238 &rx_filter_dup_filter_read_37238
121284 +exofs_max_io_pages_37263 exofs_max_io_pages 0-2 37263 NULL
121285 +_iwl_dbgfs_fw_restart_write_37270 _iwl_dbgfs_fw_restart_write 3 37270 NULL
121286 +ieee80211_if_read_power_mode_37305 ieee80211_if_read_power_mode 3 37305 NULL
121287 +jffs2_write_dirent_37311 jffs2_write_dirent 5 37311 NULL
121288 +tipc_send_37315 tipc_send 3 37315 NULL
121289 +l2cap_create_connless_pdu_37327 l2cap_create_connless_pdu 3 37327 NULL nohasharray
121290 +bnx2x_vf_fill_fw_str_37327 bnx2x_vf_fill_fw_str 3 37327 &l2cap_create_connless_pdu_37327
121291 +scsi_mode_select_37330 scsi_mode_select 6 37330 NULL
121292 +rxrpc_server_sendmsg_37331 rxrpc_server_sendmsg 4 37331 NULL
121293 +security_inode_getsecurity_37354 security_inode_getsecurity 0 37354 NULL
121294 +seek_firmware_37372 seek_firmware 2 37372 NULL
121295 +hci_sock_sendmsg_37420 hci_sock_sendmsg 4 37420 NULL
121296 +acpi_os_allocate_zeroed_37422 acpi_os_allocate_zeroed 1 37422 NULL
121297 +tty_insert_flip_string_fixed_flag_37428 tty_insert_flip_string_fixed_flag 4-0 37428 NULL
121298 +iwl_print_last_event_logs_37433 iwl_print_last_event_logs 0-7-9 37433 NULL
121299 +fru_alloc_37442 fru_alloc 1 37442 NULL
121300 +tcp_established_options_37450 tcp_established_options 0 37450 NULL
121301 +brcmf_sdio_dump_console_37455 brcmf_sdio_dump_console 4 37455 NULL
121302 +get_est_timing_37484 get_est_timing 0 37484 NULL
121303 +kmem_realloc_37489 kmem_realloc 2 37489 NULL
121304 +bitmap_dirty_bits_37503 bitmap_dirty_bits 2 37503 NULL
121305 +osc_active_seq_write_37514 osc_active_seq_write 3 37514 NULL
121306 +bdev_writeseg_37519 bdev_writeseg 2-3 37519 NULL
121307 +xz_dec_test_write_37527 xz_dec_test_write 3 37527 NULL
121308 +fault_inject_read_37534 fault_inject_read 3 37534 NULL
121309 +hdr_size_37536 hdr_size 0 37536 NULL
121310 +extent_map_end_37550 extent_map_end 0 37550 NULL
121311 +sep_create_dcb_dmatables_context_37551 sep_create_dcb_dmatables_context 6 37551 NULL
121312 +xhci_alloc_streams_37586 xhci_alloc_streams 5 37586 NULL
121313 +qla2x00_debounce_register_37597 qla2x00_debounce_register 0 37597 NULL
121314 +kvm_read_guest_page_mmu_37611 kvm_read_guest_page_mmu 6 37611 NULL
121315 +SYSC_mbind_37622 SYSC_mbind 5 37622 NULL
121316 +SyS_mbind_37638 SyS_mbind 5 37638 NULL
121317 +bio_copy_user_iov_37660 bio_copy_user_iov 4 37660 NULL
121318 +vmw_framebuffer_dmabuf_dirty_37661 vmw_framebuffer_dmabuf_dirty 6 37661 NULL nohasharray
121319 +rfcomm_sock_sendmsg_37661 rfcomm_sock_sendmsg 4 37661 &vmw_framebuffer_dmabuf_dirty_37661
121320 +SYSC_get_mempolicy_37664 SYSC_get_mempolicy 3 37664 NULL
121321 +__wa_seg_calculate_isoc_frame_count_37672 __wa_seg_calculate_isoc_frame_count 0 37672 NULL
121322 +ieee80211_if_read_rc_rateidx_mcs_mask_2ghz_37675 ieee80211_if_read_rc_rateidx_mcs_mask_2ghz 3 37675 NULL
121323 +tracing_saved_cmdlines_size_write_37684 tracing_saved_cmdlines_size_write 3 37684 NULL
121324 +regmap_map_read_file_37685 regmap_map_read_file 3 37685 NULL
121325 +nametbl_header_37698 nametbl_header 2-0 37698 NULL
121326 +__le32_to_cpup_37702 __le32_to_cpup 0 37702 NULL
121327 +dynamic_ps_timeout_write_37713 dynamic_ps_timeout_write 3 37713 NULL
121328 +read_enabled_file_bool_37744 read_enabled_file_bool 3 37744 NULL
121329 +ocfs2_control_cfu_37750 ocfs2_control_cfu 2 37750 NULL
121330 +ipath_cdev_init_37752 ipath_cdev_init 1 37752 NULL
121331 +dccp_setsockopt_cscov_37766 dccp_setsockopt_cscov 2 37766 NULL
121332 +il4965_rs_sta_dbgfs_rate_scale_data_read_37792 il4965_rs_sta_dbgfs_rate_scale_data_read 3 37792 NULL
121333 +smk_read_logging_37804 smk_read_logging 3 37804 NULL
121334 +nvkm_notify_init_37806 nvkm_notify_init 6 37806 NULL
121335 +ocrdma_alloc_frmr_page_list_37815 ocrdma_alloc_frmr_page_list 2 37815 NULL
121336 +rx_decrypt_key_not_found_read_37820 rx_decrypt_key_not_found_read 3 37820 NULL
121337 +android_get_p2p_addr_37832 android_get_p2p_addr 0 37832 NULL
121338 +o2hb_debug_read_37851 o2hb_debug_read 3 37851 NULL
121339 +xfs_dir2_block_to_sf_37868 xfs_dir2_block_to_sf 3 37868 NULL
121340 +btrfs_leaf_data_37869 btrfs_leaf_data 0 37869 NULL
121341 +btrfs_stack_file_extent_disk_bytenr_37888 btrfs_stack_file_extent_disk_bytenr 0 37888 NULL
121342 +_rtw_malloc_37928 _rtw_malloc 1 37928 NULL nohasharray
121343 +pkt_alloc_packet_data_37928 pkt_alloc_packet_data 1 37928 &_rtw_malloc_37928
121344 +read_rbu_packet_size_37939 read_rbu_packet_size 6 37939 NULL
121345 +write_file_bool_37957 write_file_bool 3 37957 NULL
121346 +fifo_alloc_37961 fifo_alloc 1 37961 NULL
121347 +rds_rdma_extra_size_37990 rds_rdma_extra_size 0 37990 NULL
121348 +persistent_ram_old_size_37997 persistent_ram_old_size 0 37997 NULL
121349 +vfs_readv_38011 vfs_readv 3 38011 NULL
121350 +aggr_recv_addba_req_evt_38037 aggr_recv_addba_req_evt 4 38037 NULL
121351 +il_dbgfs_chain_noise_read_38044 il_dbgfs_chain_noise_read 3 38044 NULL nohasharray
121352 +klsi_105_prepare_write_buffer_38044 klsi_105_prepare_write_buffer 3 38044 &il_dbgfs_chain_noise_read_38044
121353 +parser_init_guts_38046 parser_init_guts 2 38046 NULL
121354 +SyS_llistxattr_38048 SyS_llistxattr 3 38048 NULL
121355 +sysfs_do_create_link_38051 sysfs_do_create_link 0 38051 NULL
121356 +_xfs_buf_alloc_38058 _xfs_buf_alloc 3 38058 NULL
121357 +nsm_create_handle_38060 nsm_create_handle 4 38060 NULL
121358 +alloc_ltalkdev_38071 alloc_ltalkdev 1 38071 NULL
121359 +cifs_send_async_read_38077 cifs_send_async_read 2 38077 NULL
121360 +xfs_buf_readahead_map_38081 xfs_buf_readahead_map 3 38081 NULL
121361 +uwb_mac_addr_print_38085 uwb_mac_addr_print 2 38085 NULL
121362 +request_key_auth_new_38092 request_key_auth_new 3 38092 NULL
121363 +proc_self_readlink_38094 proc_self_readlink 3 38094 NULL
121364 +ep0_read_38095 ep0_read 3 38095 NULL
121365 +osc_checksum_seq_write_38096 osc_checksum_seq_write 3 38096 NULL nohasharray
121366 +sk_wmem_schedule_38096 sk_wmem_schedule 2 38096 &osc_checksum_seq_write_38096
121367 +o2hb_read_slots_38105 o2hb_read_slots 2 38105 NULL
121368 +snd_pcm_oss_write_38108 snd_pcm_oss_write 3 38108 NULL
121369 +vmw_kms_present_38130 vmw_kms_present 9 38130 NULL
121370 +__ntfs_copy_from_user_iovec_inatomic_38153 __ntfs_copy_from_user_iovec_inatomic 3-4-0 38153 NULL
121371 +btrfs_extent_same_38163 btrfs_extent_same 3-2-5 38163 NULL
121372 +kvm_clear_guest_38164 kvm_clear_guest 3-2 38164 NULL
121373 +cdev_add_38176 cdev_add 2-3 38176 NULL
121374 +rt2x00debug_write_rf_38195 rt2x00debug_write_rf 3 38195 NULL
121375 +get_ucode_user_38202 get_ucode_user 3 38202 NULL
121376 +osd_req_list_partition_collections_38223 osd_req_list_partition_collections 5 38223 NULL
121377 +ceph_decode_16_38239 ceph_decode_16 0 38239 NULL
121378 +_ipw_read_reg32_38245 _ipw_read_reg32 0 38245 NULL
121379 +nvkm_dmaobj_create__38250 nvkm_dmaobj_create_ 6 38250 NULL
121380 +mthca_alloc_icm_table_38268 mthca_alloc_icm_table 4-3 38268 NULL nohasharray
121381 +ieee80211_if_read_auto_open_plinks_38268 ieee80211_if_read_auto_open_plinks 3 38268 &mthca_alloc_icm_table_38268 nohasharray
121382 +SYSC_msgrcv_38268 SYSC_msgrcv 3 38268 &ieee80211_if_read_auto_open_plinks_38268
121383 +xfs_bmbt_to_bmdr_38275 xfs_bmbt_to_bmdr 3 38275 NULL nohasharray
121384 +xfs_bmdr_to_bmbt_38275 xfs_bmdr_to_bmbt 5 38275 &xfs_bmbt_to_bmdr_38275
121385 +ftdi_process_packet_38281 ftdi_process_packet 4 38281 NULL
121386 +C_SYSC_pselect6_38296 C_SYSC_pselect6 1 38296 NULL
121387 +ucma_query_path_38305 ucma_query_path 3 38305 NULL
121388 +isr_rx_headers_read_38325 isr_rx_headers_read 3 38325 NULL
121389 +ida_simple_get_38326 ida_simple_get 0 38326 NULL
121390 +__snd_gf1_look8_38333 __snd_gf1_look8 0 38333 NULL
121391 +usb_ext_prop_put_name_38352 usb_ext_prop_put_name 0-3 38352 NULL
121392 +btrfs_file_extent_disk_num_bytes_38363 btrfs_file_extent_disk_num_bytes 0 38363 NULL
121393 +xfs_free_file_space_38383 xfs_free_file_space 2-3 38383 NULL
121394 +dn_sendmsg_38390 dn_sendmsg 4 38390 NULL
121395 +ieee80211_if_read_dtim_count_38419 ieee80211_if_read_dtim_count 3 38419 NULL
121396 +pmcraid_copy_sglist_38431 pmcraid_copy_sglist 3 38431 NULL
121397 +iov_iter_npages_iovec_38448 iov_iter_npages_iovec 0-2 38448 NULL
121398 +kvm_write_guest_38454 kvm_write_guest 4-2 38454 NULL
121399 +videobuf_waiton_38459 videobuf_waiton 0 38459 NULL
121400 +_iwl_dbgfs_scan_ant_rxchain_write_38479 _iwl_dbgfs_scan_ant_rxchain_write 3 38479 NULL
121401 +blk_end_bidi_request_38482 blk_end_bidi_request 3-4 38482 NULL
121402 +dev_names_read_38509 dev_names_read 3 38509 NULL
121403 +iscsi_create_iface_38510 iscsi_create_iface 5 38510 NULL
121404 +event_rx_mismatch_read_38518 event_rx_mismatch_read 3 38518 NULL
121405 +set_queue_count_38519 set_queue_count 0 38519 NULL
121406 +ubifs_idx_node_sz_38546 ubifs_idx_node_sz 0-2 38546 NULL
121407 +btrfs_discard_extent_38547 btrfs_discard_extent 2 38547 NULL
121408 +kuc_len_38557 kuc_len 0-1 38557 NULL
121409 +irda_sendmsg_dgram_38563 irda_sendmsg_dgram 4 38563 NULL
121410 +il4965_rs_sta_dbgfs_scale_table_read_38564 il4965_rs_sta_dbgfs_scale_table_read 3 38564 NULL
121411 +_ipw_read32_38565 _ipw_read32 0 38565 NULL
121412 +snd_nm256_playback_copy_38567 snd_nm256_playback_copy 5-3 38567 NULL
121413 +copy_ctl_value_to_user_38587 copy_ctl_value_to_user 4 38587 NULL
121414 +rd_allocate_sgl_table_38607 rd_allocate_sgl_table 3 38607 NULL
121415 +icn_writecmd_38629 icn_writecmd 2 38629 NULL
121416 +write_enabled_file_bool_38630 write_enabled_file_bool 3 38630 NULL
121417 +ext2_readpages_38640 ext2_readpages 4 38640 NULL
121418 +audit_init_entry_38644 audit_init_entry 1 38644 NULL
121419 +qp_broker_alloc_38646 qp_broker_alloc 6-5 38646 NULL
121420 +mmc_send_cxd_data_38655 mmc_send_cxd_data 5 38655 NULL
121421 +nouveau_instmem_create__38664 nouveau_instmem_create_ 4 38664 NULL
121422 +ufshcd_read_sdev_qdepth_38676 ufshcd_read_sdev_qdepth 0 38676 NULL
121423 +iscsit_dump_data_payload_38683 iscsit_dump_data_payload 2 38683 NULL
121424 +tracing_nsecs_read_38689 tracing_nsecs_read 3 38689 NULL
121425 +rbio_add_io_page_38700 rbio_add_io_page 6 38700 NULL
121426 +w83977af_sir_interrupt_38738 w83977af_sir_interrupt 0 38738 NULL
121427 +udf_readpages_38761 udf_readpages 4 38761 NULL
121428 +iwl_dbgfs_thermal_throttling_read_38779 iwl_dbgfs_thermal_throttling_read 3 38779 NULL
121429 +bcache_device_init_38781 bcache_device_init 3 38781 NULL
121430 +snd_gus_dram_write_38784 snd_gus_dram_write 4 38784 NULL
121431 +do_pci_enable_device_38802 do_pci_enable_device 0 38802 NULL
121432 +err_decode_38804 err_decode 2 38804 NULL
121433 +ipv6_renew_option_38813 ipv6_renew_option 3 38813 NULL
121434 +direct_entry_38836 direct_entry 3 38836 NULL
121435 +compat_udp_setsockopt_38840 compat_udp_setsockopt 5 38840 NULL
121436 +interfaces_38859 interfaces 2 38859 NULL
121437 +dbgfs_state_38894 dbgfs_state 3 38894 NULL
121438 +il_dbgfs_sram_write_38942 il_dbgfs_sram_write 3 38942 NULL
121439 +__ath6kl_wmi_send_mgmt_cmd_38971 __ath6kl_wmi_send_mgmt_cmd 7 38971 NULL
121440 +usb_maxpacket_38977 usb_maxpacket 0 38977 NULL nohasharray
121441 +C_SYSC_preadv64_38977 C_SYSC_preadv64 3 38977 &usb_maxpacket_38977
121442 +OSDSetBlock_38986 OSDSetBlock 2-4 38986 NULL
121443 +bio_clone_range_38997 bio_clone_range 2 38997 NULL
121444 +lpfc_idiag_extacc_write_38998 lpfc_idiag_extacc_write 3 38998 NULL
121445 +get_nodes_39012 get_nodes 3 39012 NULL
121446 +twl6030_interrupt_unmask_39013 twl6030_interrupt_unmask 2 39013 NULL
121447 +force_sc_support_read_39014 force_sc_support_read 3 39014 NULL
121448 +__blkdev_issue_zeroout_39020 __blkdev_issue_zeroout 3 39020 NULL
121449 +_zd_iowrite32v_async_locked_39034 _zd_iowrite32v_async_locked 3 39034 NULL
121450 +do_write_kmem_39051 do_write_kmem 0-1-3 39051 NULL
121451 +tomoyo_truncate_39105 tomoyo_truncate 0 39105 NULL
121452 +__kfifo_to_user_r_39123 __kfifo_to_user_r 5-3 39123 NULL
121453 +ea_foreach_39133 ea_foreach 0 39133 NULL
121454 +generic_permission_39150 generic_permission 0 39150 NULL
121455 +proc_coredump_filter_read_39153 proc_coredump_filter_read 3 39153 NULL
121456 +ath9k_hw_ar9003_dump_eeprom_39156 ath9k_hw_ar9003_dump_eeprom 5-4 39156 NULL
121457 +echo_client_kbrw_39170 echo_client_kbrw 6 39170 NULL
121458 +ext3_xattr_check_names_39174 ext3_xattr_check_names 0 39174 NULL
121459 +mlx4_en_create_tx_ring_39179 mlx4_en_create_tx_ring 4 39179 NULL
121460 +ubi_more_update_data_39189 ubi_more_update_data 4 39189 NULL
121461 +qcam_read_bytes_39205 qcam_read_bytes 0 39205 NULL
121462 +ivtv_v4l2_write_39226 ivtv_v4l2_write 3 39226 NULL
121463 +SyS_getrandom_39235 SyS_getrandom 2 39235 NULL
121464 +posix_acl_to_xattr_39237 posix_acl_to_xattr 0 39237 NULL
121465 +snd_pcm_capture_forward_39248 snd_pcm_capture_forward 2 39248 NULL
121466 +r128_compat_ioctl_39250 r128_compat_ioctl 2 39250 NULL nohasharray
121467 +pwr_cont_miss_bcns_spread_read_39250 pwr_cont_miss_bcns_spread_read 3 39250 &r128_compat_ioctl_39250
121468 +i915_error_state_read_39254 i915_error_state_read 3 39254 NULL
121469 +rx_filter_protection_filter_read_39282 rx_filter_protection_filter_read 3 39282 NULL
121470 +_iwl_dbgfs_pm_params_write_39325 _iwl_dbgfs_pm_params_write 3 39325 NULL
121471 +__cfg80211_connect_result_39326 __cfg80211_connect_result 4-6 39326 NULL
121472 +insert_reserved_file_extent_39327 insert_reserved_file_extent 3 39327 NULL
121473 +wimax_msg_alloc_39343 wimax_msg_alloc 4 39343 NULL
121474 +ide_complete_rq_39354 ide_complete_rq 3 39354 NULL
121475 +do_write_log_from_user_39362 do_write_log_from_user 3-0 39362 NULL
121476 +vortex_wtdma_getlinearpos_39371 vortex_wtdma_getlinearpos 0 39371 NULL
121477 +regmap_name_read_file_39379 regmap_name_read_file 3 39379 NULL
121478 +fnic_trace_debugfs_read_39380 fnic_trace_debugfs_read 3 39380 NULL
121479 +ps_poll_ps_poll_utilization_read_39383 ps_poll_ps_poll_utilization_read 3 39383 NULL
121480 +__send_to_port_39386 __send_to_port 3 39386 NULL
121481 +user_power_read_39414 user_power_read 3 39414 NULL
121482 +hash_ipmark4_expire_39419 hash_ipmark4_expire 4 39419 NULL
121483 +alloc_agpphysmem_i8xx_39427 alloc_agpphysmem_i8xx 1 39427 NULL
121484 +mic_desc_size_39464 mic_desc_size 0 39464 NULL
121485 +setkey_unaligned_39474 setkey_unaligned 3 39474 NULL
121486 +usif_ioctl_39481 usif_ioctl 3 39481 NULL
121487 +ieee80211_if_fmt_dot11MeshHWMPmaxPREQretries_39499 ieee80211_if_fmt_dot11MeshHWMPmaxPREQretries 3 39499 NULL
121488 +cl_req_alloc_39523 cl_req_alloc 4 39523 NULL
121489 +int_proc_write_39542 int_proc_write 3 39542 NULL
121490 +pp_write_39554 pp_write 3 39554 NULL
121491 +datablob_format_39571 datablob_format 2 39571 NULL nohasharray
121492 +ieee80211_if_read_fwded_mcast_39571 ieee80211_if_read_fwded_mcast 3 39571 &datablob_format_39571
121493 +memblock_virt_alloc_internal_39600 memblock_virt_alloc_internal 1 39600 NULL
121494 +ext_depth_39607 ext_depth 0 39607 NULL
121495 +batadv_tt_tvlv_generate_39615 batadv_tt_tvlv_generate 4 39615 NULL
121496 +nfs_idmap_get_key_39616 nfs_idmap_get_key 2 39616 NULL
121497 +sdio_readb_39618 sdio_readb 0 39618 NULL
121498 +set_dev_class_39645 set_dev_class 4 39645 NULL
121499 +snd_rme32_capture_copy_39653 snd_rme32_capture_copy 5 39653 NULL
121500 +tcp_try_rmem_schedule_39657 tcp_try_rmem_schedule 3 39657 NULL
121501 +kvm_read_guest_cached_39666 kvm_read_guest_cached 4 39666 NULL
121502 +v4l_stk_read_39672 v4l_stk_read 3 39672 NULL
121503 +hsc_msg_len_get_39673 hsc_msg_len_get 0 39673 NULL
121504 +do_surface_dirty_sou_39678 do_surface_dirty_sou 7 39678 NULL
121505 +ftrace_pid_write_39710 ftrace_pid_write 3 39710 NULL
121506 +adt7316_spi_multi_read_39765 adt7316_spi_multi_read 3 39765 NULL
121507 +security_inode_listsecurity_39812 security_inode_listsecurity 0 39812 NULL
121508 +snd_pcm_oss_writev3_39818 snd_pcm_oss_writev3 3 39818 NULL
121509 +get_priv_size_39828 get_priv_size 0-1 39828 NULL
121510 +netlbl_catmap_walkrng_39885 netlbl_catmap_walkrng 0-2 39885 NULL
121511 +pkt_add_39897 pkt_add 3 39897 NULL
121512 +read_file_modal_eeprom_39909 read_file_modal_eeprom 3 39909 NULL
121513 +gen_pool_add_virt_39913 gen_pool_add_virt 4 39913 NULL
121514 +dw210x_op_rw_39915 dw210x_op_rw 6 39915 NULL
121515 +aes_encrypt_interrupt_read_39919 aes_encrypt_interrupt_read 3 39919 NULL
121516 +oom_score_adj_read_39921 oom_score_adj_read 3 39921 NULL nohasharray
121517 +exofs_read_kern_39921 exofs_read_kern 6 39921 &oom_score_adj_read_39921
121518 +__spi_async_39932 __spi_async 0 39932 NULL
121519 +__get_order_39935 __get_order 0 39935 NULL
121520 +error_error_frame_read_39947 error_error_frame_read 3 39947 NULL
121521 +tty_prepare_flip_string_39955 tty_prepare_flip_string 3-0 39955 NULL
121522 +lstcon_group_list_39958 lstcon_group_list 2 39958 NULL
121523 +bio_chain_clone_range_39967 bio_chain_clone_range 3 39967 NULL
121524 +dma_push_rx_39973 dma_push_rx 2 39973 NULL
121525 +broadsheetfb_write_39976 broadsheetfb_write 3 39976 NULL
121526 +lustre_pack_reply_v2_39978 lustre_pack_reply_v2 2 39978 NULL
121527 +mthca_array_init_39987 mthca_array_init 2 39987 NULL
121528 +fw_device_op_read_39990 fw_device_op_read 3 39990 NULL
121529 +server_name2svname_39998 server_name2svname 4 39998 NULL
121530 +xen_hvm_config_40018 xen_hvm_config 2 40018 NULL
121531 +ivtvfb_write_40023 ivtvfb_write 3 40023 NULL
121532 +disc_pwup_write_40027 disc_pwup_write 3 40027 NULL
121533 +ea_foreach_i_40028 ea_foreach_i 0 40028 NULL
121534 +datablob_hmac_append_40038 datablob_hmac_append 3 40038 NULL
121535 +l2cap_create_iframe_pdu_40055 l2cap_create_iframe_pdu 3 40055 NULL nohasharray
121536 +add_tty_40055 add_tty 1 40055 &l2cap_create_iframe_pdu_40055
121537 +atomic_xchg_40070 atomic_xchg 0 40070 NULL
121538 +sctp_setsockopt_delayed_ack_40129 sctp_setsockopt_delayed_ack 3 40129 NULL
121539 +dwc2_max_desc_num_40132 dwc2_max_desc_num 0 40132 NULL
121540 +rx_rx_frame_checksum_read_40140 rx_rx_frame_checksum_read 3 40140 NULL
121541 +ath10k_write_simulate_fw_crash_40143 ath10k_write_simulate_fw_crash 3 40143 NULL nohasharray
121542 +kvm_mmu_notifier_clear_flush_young_40143 kvm_mmu_notifier_clear_flush_young 3-4 40143 &ath10k_write_simulate_fw_crash_40143
121543 +iwch_alloc_fastreg_pbl_40153 iwch_alloc_fastreg_pbl 2 40153 NULL
121544 +pt_write_40159 pt_write 3 40159 NULL
121545 +scsi_sg_count_40182 scsi_sg_count 0 40182 NULL
121546 +ipr_alloc_ucode_buffer_40199 ipr_alloc_ucode_buffer 1 40199 NULL
121547 +allocate_probes_40204 allocate_probes 1 40204 NULL
121548 +au0828_v4l2_read_40220 au0828_v4l2_read 3 40220 NULL
121549 +compress_file_range_40225 compress_file_range 3-4 40225 NULL
121550 +ocrdma_dbgfs_ops_read_40232 ocrdma_dbgfs_ops_read 3 40232 NULL
121551 +osst_read_40237 osst_read 3 40237 NULL
121552 +lpage_info_slot_40243 lpage_info_slot 1-3 40243 NULL
121553 +ocfs2_zero_extend_get_range_40248 ocfs2_zero_extend_get_range 4-3 40248 NULL
121554 +of_get_child_count_40254 of_get_child_count 0 40254 NULL nohasharray
121555 +fsl_edma_prep_dma_cyclic_40254 fsl_edma_prep_dma_cyclic 3-4 40254 &of_get_child_count_40254
121556 +rs_sta_dbgfs_scale_table_read_40262 rs_sta_dbgfs_scale_table_read 3 40262 NULL
121557 +ext2_fiemap_40271 ext2_fiemap 4 40271 NULL
121558 +usbnet_read_cmd_40275 usbnet_read_cmd 7 40275 NULL
121559 +rx_xfr_hint_trig_read_40283 rx_xfr_hint_trig_read 3 40283 NULL
121560 +tracing_thresh_read_40295 tracing_thresh_read 3 40295 NULL
121561 +SyS_bind_40303 SyS_bind 3 40303 NULL
121562 +ib_get_mad_data_offset_40336 ib_get_mad_data_offset 0 40336 NULL
121563 +mmio_read_40348 mmio_read 4 40348 NULL
121564 +event_rx_mem_empty_read_40363 event_rx_mem_empty_read 3 40363 NULL
121565 +ocfs2_check_range_for_refcount_40365 ocfs2_check_range_for_refcount 3-2 40365 NULL
121566 +get_chars_40373 get_chars 3 40373 NULL
121567 +fb_prepare_extra_logos_40429 fb_prepare_extra_logos 0-2 40429 NULL
121568 +proc_write_driver_40432 proc_write_driver 3 40432 NULL
121569 +repair_io_failure_40452 repair_io_failure 4-3 40452 NULL
121570 +tomoyo_update_policy_40458 tomoyo_update_policy 2 40458 NULL
121571 +zd_usb_scnprint_id_40459 zd_usb_scnprint_id 0-3 40459 NULL
121572 +gp2ap020a00f_write_event_threshold_40461 gp2ap020a00f_write_event_threshold 2 40461 NULL
121573 +SyS_writev_40467 SyS_writev 3 40467 NULL
121574 +SyS_select_40473 SyS_select 1 40473 NULL
121575 +afs_fs_store_data_40484 afs_fs_store_data 3-4-5-6 40484 NULL
121576 +batadv_hash_new_40491 batadv_hash_new 1 40491 NULL
121577 +devcgroup_inode_permission_40492 devcgroup_inode_permission 0 40492 NULL
121578 +__ethtool_get_sset_count_40511 __ethtool_get_sset_count 0 40511 NULL
121579 +TSS_checkhmac2_40520 TSS_checkhmac2 5-7 40520 NULL
121580 +ixgbe_dbg_reg_ops_read_40540 ixgbe_dbg_reg_ops_read 3 40540 NULL
121581 +ima_write_policy_40548 ima_write_policy 3 40548 NULL
121582 +esp_alloc_tmp_40558 esp_alloc_tmp 3-2 40558 NULL
121583 +bl_alloc_init_bio_40569 bl_alloc_init_bio 1 40569 NULL
121584 +get_priv_descr_and_size_40612 get_priv_descr_and_size 0 40612 NULL
121585 +twl4030_kpwrite_u8_40665 twl4030_kpwrite_u8 3 40665 NULL
121586 +__cfg80211_roamed_40668 __cfg80211_roamed 4-6 40668 NULL
121587 +pipeline_rx_complete_stat_fifo_int_read_40671 pipeline_rx_complete_stat_fifo_int_read 3 40671 NULL
121588 +fops_read_40672 fops_read 3 40672 NULL
121589 +idr_get_empty_slot_40674 idr_get_empty_slot 0 40674 NULL
121590 +alloc_rbio_40676 alloc_rbio 4 40676 NULL
121591 +videobuf_dma_init_user_locked_40678 videobuf_dma_init_user_locked 4-3 40678 NULL
121592 +pci_enable_resources_40680 pci_enable_resources 0 40680 NULL
121593 +nfc_hci_set_param_40697 nfc_hci_set_param 5 40697 NULL
121594 +__seq_open_private_40715 __seq_open_private 3 40715 NULL
121595 +lnet_new_text_buf_40717 lnet_new_text_buf 1 40717 NULL
121596 +ip_skb_dst_mtu_40718 ip_skb_dst_mtu 0 40718 NULL
121597 +of_pdt_build_one_prop_40735 of_pdt_build_one_prop 5 40735 NULL
121598 +fuse_readpages_40737 fuse_readpages 4 40737 NULL
121599 +xfs_iext_remove_direct_40744 xfs_iext_remove_direct 3 40744 NULL
121600 +security_inode_listxattr_40752 security_inode_listxattr 0 40752 NULL
121601 +card_send_command_40757 card_send_command 3 40757 NULL
121602 +ad1889_readl_40765 ad1889_readl 0 40765 NULL
121603 +pg_write_40766 pg_write 3 40766 NULL
121604 +kernfs_fop_read_40770 kernfs_fop_read 3 40770 NULL
121605 +show_list_40775 show_list 3-0 40775 NULL
121606 +kfifo_out_copy_r_40784 kfifo_out_copy_r 0-3 40784 NULL
121607 +bitmap_weight_40791 bitmap_weight 0-2 40791 NULL
121608 +pyra_sysfs_read_40795 pyra_sysfs_read 6 40795 NULL
121609 +rtw_add_beacon_40801 rtw_add_beacon 3-5 40801 NULL
121610 +add_action_40811 add_action 4 40811 NULL
121611 +nl80211_send_roamed_40825 nl80211_send_roamed 5-7 40825 NULL
121612 +nilfs_mdt_init_40849 nilfs_mdt_init 3 40849 NULL
121613 +v9fs_file_read_40858 v9fs_file_read 3 40858 NULL
121614 +read_file_queue_40895 read_file_queue 3 40895 NULL
121615 +waiters_read_40902 waiters_read 3 40902 NULL
121616 +isdn_add_channels_40905 isdn_add_channels 3 40905 NULL
121617 +gfs2_ea_find_40913 gfs2_ea_find 0 40913 NULL
121618 +vol_cdev_write_40915 vol_cdev_write 3 40915 NULL
121619 +snd_vx_create_40948 snd_vx_create 4 40948 NULL
121620 +path_listxattr_40949 path_listxattr 3 40949 NULL
121621 +rds_sendmsg_40976 rds_sendmsg 4 40976 NULL
121622 +ima_appraise_measurement_40978 ima_appraise_measurement 6 40978 NULL
121623 +il_dbgfs_fh_reg_read_40993 il_dbgfs_fh_reg_read 3 40993 NULL
121624 +iwl_dbgfs_scan_ant_rxchain_read_40999 iwl_dbgfs_scan_ant_rxchain_read 3 40999 NULL
121625 +mac80211_format_buffer_41010 mac80211_format_buffer 2 41010 NULL
121626 +get_pages_alloc_bvec_41012 get_pages_alloc_bvec 0-3 41012 NULL
121627 +__proc_dobitmasks_41029 __proc_dobitmasks 5 41029 NULL
121628 +_req_append_segment_41031 _req_append_segment 2 41031 NULL
121629 +mISDN_sock_sendmsg_41035 mISDN_sock_sendmsg 4 41035 NULL
121630 +ocfs2_xattr_index_block_find_41040 ocfs2_xattr_index_block_find 0 41040 NULL
121631 +lprocfs_write_frac_helper_41050 lprocfs_write_frac_helper 2 41050 NULL
121632 +vfs_listxattr_41062 vfs_listxattr 0 41062 NULL nohasharray
121633 +beacon_filtering_write_41062 beacon_filtering_write 3 41062 &vfs_listxattr_41062
121634 +sc_only_mode_read_41076 sc_only_mode_read 3 41076 NULL
121635 +cfg80211_inform_bss_frame_41078 cfg80211_inform_bss_frame 4 41078 NULL
121636 +nvme_map_user_pages_41093 nvme_map_user_pages 4-3 41093 NULL nohasharray
121637 +roccat_read_41093 roccat_read 3 41093 &nvme_map_user_pages_41093
121638 +dma_attach_41094 dma_attach 5-6 41094 NULL
121639 +nl80211_send_mlme_event_41099 nl80211_send_mlme_event 4 41099 NULL
121640 +provide_user_output_41105 provide_user_output 3 41105 NULL
121641 +f_audio_buffer_alloc_41110 f_audio_buffer_alloc 1 41110 NULL
121642 +ath10k_read_wmi_services_41112 ath10k_read_wmi_services 3 41112 NULL
121643 +v4l2_ctrl_new_int_menu_41151 v4l2_ctrl_new_int_menu 4 41151 NULL
121644 +tx_frag_mpdu_alloc_failed_read_41167 tx_frag_mpdu_alloc_failed_read 3 41167 NULL
121645 +dvb_ca_write_41171 dvb_ca_write 3 41171 NULL
121646 +netif_get_num_default_rss_queues_41187 netif_get_num_default_rss_queues 0 41187 NULL
121647 +dfs_file_write_41196 dfs_file_write 3 41196 NULL
121648 +nfs_page_array_len_41219 nfs_page_array_len 0-2-1 41219 NULL
121649 +cfg80211_process_disassoc_41231 cfg80211_process_disassoc 3 41231 NULL
121650 +hiddev_compat_ioctl_41255 hiddev_compat_ioctl 2 41255 NULL
121651 +erst_read_41260 erst_read 0 41260 NULL
121652 +alloc_context_41283 alloc_context 1 41283 NULL
121653 +of_count_phandle_with_args_41291 of_count_phandle_with_args 0 41291 NULL
121654 +virtscsi_change_queue_depth_41327 virtscsi_change_queue_depth 2 41327 NULL
121655 +o2hb_setup_one_bio_41341 o2hb_setup_one_bio 4 41341 NULL
121656 +twl_change_queue_depth_41342 twl_change_queue_depth 2 41342 NULL
121657 +rtw_android_set_block_41347 rtw_android_set_block 0 41347 NULL
121658 +ceph_do_getattr_41349 ceph_do_getattr 0 41349 NULL
121659 +cnic_init_id_tbl_41354 cnic_init_id_tbl 2 41354 NULL
121660 +kmp_init_41373 kmp_init 2 41373 NULL
121661 +isr_commands_read_41398 isr_commands_read 3 41398 NULL
121662 +rx_defrag_decrypt_failed_read_41411 rx_defrag_decrypt_failed_read 3 41411 NULL
121663 +xfs_iext_add_41422 xfs_iext_add 3 41422 NULL
121664 +isdn_ppp_fill_rq_41428 isdn_ppp_fill_rq 2 41428 NULL
121665 +lbs_rdrf_read_41431 lbs_rdrf_read 3 41431 NULL
121666 +iio_device_alloc_41440 iio_device_alloc 1 41440 NULL
121667 +ntfs_file_buffered_write_41442 ntfs_file_buffered_write 6-4 41442 NULL
121668 +pcpu_build_alloc_info_41443 pcpu_build_alloc_info 1-2-3 41443 NULL
121669 +se_io_cb_41461 se_io_cb 3 41461 NULL
121670 +layout_leb_in_gaps_41470 layout_leb_in_gaps 0 41470 NULL
121671 +rt2x00debug_write_rfcsr_41473 rt2x00debug_write_rfcsr 3 41473 NULL
121672 +bl_alloc_init_bio_41478 bl_alloc_init_bio 1 41478 NULL
121673 +kvm_unmap_hva_range_41484 kvm_unmap_hva_range 3-2 41484 NULL
121674 +wep_interrupt_read_41492 wep_interrupt_read 3 41492 NULL
121675 +hpfs_translate_name_41497 hpfs_translate_name 3 41497 NULL
121676 +xfrm_hash_new_size_41505 xfrm_hash_new_size 0-1 41505 NULL
121677 +SyS_preadv_41523 SyS_preadv 3 41523 NULL
121678 +dm_get_reserved_rq_based_ios_41529 dm_get_reserved_rq_based_ios 0 41529 NULL
121679 +tx_tx_frame_checksum_read_41553 tx_tx_frame_checksum_read 3 41553 NULL
121680 +ath6kl_endpoint_stats_read_41554 ath6kl_endpoint_stats_read 3 41554 NULL
121681 +nr_status_frames_41559 nr_status_frames 0-1 41559 NULL nohasharray
121682 +si476x_radio_fops_read_41559 si476x_radio_fops_read 3 41559 &nr_status_frames_41559
121683 +rng_dev_read_41581 rng_dev_read 3 41581 NULL
121684 +nfsd_readv_41585 nfsd_readv 4 41585 NULL
121685 +batadv_tvlv_container_ogm_append_41588 batadv_tvlv_container_ogm_append 4 41588 NULL
121686 +tcp_hdrlen_41610 tcp_hdrlen 0 41610 NULL
121687 +lbs_bcnmiss_write_41613 lbs_bcnmiss_write 3 41613 NULL nohasharray
121688 +usb_endpoint_maxp_41613 usb_endpoint_maxp 0 41613 &lbs_bcnmiss_write_41613
121689 +a2mp_send_41615 a2mp_send 4 41615 NULL
121690 +lstcon_batch_list_41627 lstcon_batch_list 2 41627 NULL
121691 +mempool_create_kmalloc_pool_41650 mempool_create_kmalloc_pool 1 41650 NULL
121692 +rx_rx_pre_complt_read_41653 rx_rx_pre_complt_read 3 41653 NULL
121693 +get_std_timing_41654 get_std_timing 0 41654 NULL
121694 +ieee80211_if_fmt_bssid_41677 ieee80211_if_fmt_bssid 3 41677 NULL
121695 +fill_pcm_stream_name_41685 fill_pcm_stream_name 2 41685 NULL
121696 +lov_unpackmd_41701 lov_unpackmd 4 41701 NULL
121697 +connector_write_41709 connector_write 3 41709 NULL
121698 +fillonedir_41746 fillonedir 3 41746 NULL
121699 +iwl_dbgfs_bt_notif_read_41794 iwl_dbgfs_bt_notif_read 3 41794 NULL
121700 +hsi_alloc_controller_41802 hsi_alloc_controller 1 41802 NULL
121701 +ptlrpc_new_bulk_41804 ptlrpc_new_bulk 1 41804 NULL
121702 +rtw_android_get_macaddr_41812 rtw_android_get_macaddr 0 41812 NULL
121703 +sco_send_frame_41815 sco_send_frame 3 41815 NULL
121704 +kimage_file_alloc_init_41827 kimage_file_alloc_init 5 41827 NULL
121705 +copy_page_to_iter_bvec_41830 copy_page_to_iter_bvec 0-3 41830 NULL
121706 +ixgbe_dbg_netdev_ops_read_41839 ixgbe_dbg_netdev_ops_read 3 41839 NULL
121707 +do_ip_setsockopt_41852 do_ip_setsockopt 5 41852 NULL
121708 +keyctl_instantiate_key_41855 keyctl_instantiate_key 3 41855 NULL
121709 +pci_map_single_41869 pci_map_single 0 41869 NULL
121710 +usb_gadget_get_string_41871 usb_gadget_get_string 0 41871 NULL
121711 +v_APCI3120_InterruptDmaMoveBlock16bit_41914 v_APCI3120_InterruptDmaMoveBlock16bit 4 41914 NULL
121712 +get_fdb_entries_41916 get_fdb_entries 3 41916 NULL
121713 +ext4_da_write_inline_data_begin_41935 ext4_da_write_inline_data_begin 4-3 41935 NULL
121714 +sci_rxfill_41945 sci_rxfill 0 41945 NULL
121715 +read_gssp_41947 read_gssp 3 41947 NULL
121716 +ocfs2_xattr_bucket_get_name_value_41949 ocfs2_xattr_bucket_get_name_value 0 41949 NULL
121717 +portnames_read_41958 portnames_read 3 41958 NULL
121718 +dst_mtu_41969 dst_mtu 0 41969 NULL
121719 +cx24116_writeregN_41975 cx24116_writeregN 4 41975 NULL
121720 +pool_allocate_42012 pool_allocate 3 42012 NULL
121721 +spidev_sync_read_42014 spidev_sync_read 0 42014 NULL
121722 +rs_sta_dbgfs_scale_table_write_42017 rs_sta_dbgfs_scale_table_write 3 42017 NULL
121723 +acpi_ut_create_buffer_object_42030 acpi_ut_create_buffer_object 1 42030 NULL
121724 +__hwahc_op_set_gtk_42038 __hwahc_op_set_gtk 4 42038 NULL
121725 +alloc_trace_kprobe_42041 alloc_trace_kprobe 6 42041 NULL
121726 +irda_sendmsg_ultra_42047 irda_sendmsg_ultra 4 42047 NULL
121727 +jffs2_do_link_42048 jffs2_do_link 6 42048 NULL
121728 +ps_poll_upsd_max_ap_turn_read_42050 ps_poll_upsd_max_ap_turn_read 3 42050 NULL
121729 +InterfaceTransmitPacket_42058 InterfaceTransmitPacket 3 42058 NULL
121730 +ufshcd_dev_cmd_completion_42080 ufshcd_dev_cmd_completion 0 42080 NULL
121731 +scsi_execute_req_42088 scsi_execute_req 5 42088 NULL
121732 +sk_chk_filter_42095 sk_chk_filter 2 42095 NULL
121733 +submit_inquiry_42108 submit_inquiry 3 42108 NULL
121734 +dw_dma_cyclic_prep_42113 dw_dma_cyclic_prep 3-4 42113 NULL
121735 +blk_ioctl_zeroout_42160 blk_ioctl_zeroout 3 42160 NULL
121736 +mmc_align_data_size_42161 mmc_align_data_size 0-2 42161 NULL
121737 +read_file_base_eeprom_42168 read_file_base_eeprom 3 42168 NULL
121738 +oprofilefs_str_to_user_42182 oprofilefs_str_to_user 3 42182 NULL
121739 +write_file_beacon_42185 write_file_beacon 3 42185 NULL
121740 +get_znodes_to_commit_42201 get_znodes_to_commit 0 42201 NULL
121741 +blockdev_direct_IO_42235 blockdev_direct_IO 5 42235 NULL nohasharray
121742 +pla_ocp_read_42235 pla_ocp_read 3 42235 &blockdev_direct_IO_42235
121743 +rx_defrag_need_decrypt_read_42253 rx_defrag_need_decrypt_read 3 42253 NULL
121744 +find_last_bit_42260 find_last_bit 0 42260 NULL
121745 +__pcpu_size_to_slot_42271 __pcpu_size_to_slot 0 42271 NULL
121746 +__tty_buffer_request_room_42276 __tty_buffer_request_room 2-0 42276 NULL
121747 +snd_pcm_hw_param_value_max_42280 snd_pcm_hw_param_value_max 0 42280 NULL
121748 +__cpus_weight_42299 __cpus_weight 2-0 42299 NULL
121749 +sel_read_perm_42302 sel_read_perm 3 42302 NULL
121750 +sctp_setsockopt_del_key_42304 sctp_setsockopt_del_key 3 42304 NULL nohasharray
121751 +ulong_read_file_42304 ulong_read_file 3 42304 &sctp_setsockopt_del_key_42304
121752 +xfs_vm_readpages_42308 xfs_vm_readpages 4 42308 NULL
121753 +hysdn_conf_read_42324 hysdn_conf_read 3 42324 NULL
121754 +tcp_sync_mss_42330 tcp_sync_mss 2-0 42330 NULL
121755 +ide_raw_taskfile_42355 ide_raw_taskfile 4 42355 NULL
121756 +drbd_md_last_sector_42378 drbd_md_last_sector 0 42378 NULL
121757 +il_dbgfs_disable_ht40_read_42386 il_dbgfs_disable_ht40_read 3 42386 NULL
121758 +msnd_fifo_read_42406 msnd_fifo_read 0-3 42406 NULL
121759 +krng_get_random_42420 krng_get_random 3 42420 NULL
121760 +gsm_data_alloc_42437 gsm_data_alloc 3 42437 NULL
121761 +spr_wm_latency_write_42441 spr_wm_latency_write 3 42441 NULL
121762 +key_conf_keyidx_read_42443 key_conf_keyidx_read 3 42443 NULL
121763 +snd_pcm_action_group_42452 snd_pcm_action_group 0 42452 NULL
121764 +tcm_loop_change_queue_depth_42454 tcm_loop_change_queue_depth 2 42454 NULL
121765 +kuc_free_42455 kuc_free 2 42455 NULL
121766 +cp2112_gpio_get_42467 cp2112_gpio_get 2 42467 NULL
121767 +__simple_xattr_set_42474 __simple_xattr_set 4 42474 NULL
121768 +omfs_readpages_42490 omfs_readpages 4 42490 NULL
121769 +bypass_write_42498 bypass_write 3 42498 NULL
121770 +SyS_mincore_42511 SyS_mincore 1-2 42511 NULL
121771 +kvm_write_wall_clock_42520 kvm_write_wall_clock 2 42520 NULL
121772 +dio_bio_complete_42524 dio_bio_complete 0 42524 NULL
121773 +smk_write_netlbladdr_42525 smk_write_netlbladdr 3 42525 NULL
121774 +dbAllocNear_42546 dbAllocNear 0 42546 NULL
121775 +ath6kl_wmi_proc_events_vif_42549 ath6kl_wmi_proc_events_vif 5 42549 NULL
121776 +udp_recvmsg_42558 udp_recvmsg 4 42558 NULL
121777 +iwl_print_event_log_42566 iwl_print_event_log 0-7-5 42566 NULL
121778 +xfrm_new_hash_mask_42579 xfrm_new_hash_mask 0-1 42579 NULL
121779 +oom_score_adj_write_42594 oom_score_adj_write 3 42594 NULL
121780 +ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout_42635 ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout 3 42635 NULL
121781 +scsi_activate_tcq_42640 scsi_activate_tcq 2 42640 NULL
121782 +br_mdb_rehash_42643 br_mdb_rehash 2 42643 NULL
121783 +parport_pc_compat_write_block_pio_42644 parport_pc_compat_write_block_pio 3 42644 NULL nohasharray
121784 +num_controllers_42644 num_controllers 0 42644 &parport_pc_compat_write_block_pio_42644
121785 +_regmap_raw_write_42652 _regmap_raw_write 4-2 42652 NULL
121786 +request_key_and_link_42693 request_key_and_link 4 42693 NULL
121787 +vb2_read_42703 vb2_read 3 42703 NULL
121788 +read_status_42722 read_status 0 42722 NULL
121789 +iwl_mvm_coex_dump_mbox_old_42727 iwl_mvm_coex_dump_mbox_old 4-3-0 42727 NULL
121790 +dvb_demux_ioctl_42733 dvb_demux_ioctl 2 42733 NULL
121791 +set_aoe_iflist_42737 set_aoe_iflist 2 42737 NULL
121792 +ax25_setsockopt_42740 ax25_setsockopt 5 42740 NULL
121793 +dpm_sysfs_add_42756 dpm_sysfs_add 0 42756 NULL
121794 +x25_recvmsg_42777 x25_recvmsg 4 42777 NULL
121795 +snd_midi_event_decode_42780 snd_midi_event_decode 0 42780 NULL
121796 +cryptd_hash_setkey_42781 cryptd_hash_setkey 3 42781 NULL nohasharray
121797 +isku_sysfs_read_info_42781 isku_sysfs_read_info 6 42781 &cryptd_hash_setkey_42781
121798 +elfcorehdr_read_notes_42786 elfcorehdr_read_notes 2 42786 NULL
121799 +koneplus_sysfs_read_42792 koneplus_sysfs_read 6 42792 NULL
121800 +ntfs_attr_extend_allocation_42796 ntfs_attr_extend_allocation 0 42796 NULL
121801 +fw_device_op_compat_ioctl_42804 fw_device_op_compat_ioctl 2 42804 NULL
121802 +drm_ioctl_42813 drm_ioctl 2 42813 NULL
121803 +iwl_dbgfs_ucode_bt_stats_read_42820 iwl_dbgfs_ucode_bt_stats_read 3 42820 NULL
121804 +set_arg_42824 set_arg 3 42824 NULL
121805 +si476x_radio_read_rsq_blob_42827 si476x_radio_read_rsq_blob 3 42827 NULL
121806 +ocfs2_clusters_for_bytes_42872 ocfs2_clusters_for_bytes 0-2 42872 NULL
121807 +nvme_trans_unit_serial_page_42879 nvme_trans_unit_serial_page 4 42879 NULL
121808 +xpc_kmalloc_cacheline_aligned_42895 xpc_kmalloc_cacheline_aligned 1 42895 NULL
121809 +hd_end_request_42904 hd_end_request 2 42904 NULL
121810 +sta_last_rx_rate_read_42909 sta_last_rx_rate_read 3 42909 NULL
121811 +sctp_getsockopt_maxburst_42941 sctp_getsockopt_maxburst 2 42941 NULL
121812 +vx_reset_chk_42946 vx_reset_chk 0 42946 NULL
121813 +ntb_setup_snb_msix_42971 ntb_setup_snb_msix 2 42971 NULL
121814 +compat_udpv6_setsockopt_42981 compat_udpv6_setsockopt 5 42981 NULL
121815 +nfs_idmap_get_desc_42990 nfs_idmap_get_desc 4-2 42990 NULL nohasharray
121816 +rtw_os_xmit_resource_alloc_42990 rtw_os_xmit_resource_alloc 3 42990 &nfs_idmap_get_desc_42990
121817 +isr_rx_mem_overflow_read_43025 isr_rx_mem_overflow_read 3 43025 NULL
121818 +wep_default_key_count_read_43035 wep_default_key_count_read 3 43035 NULL
121819 +__bioset_create_43059 __bioset_create 1 43059 NULL
121820 +nouveau_gpuobj_create__43072 nouveau_gpuobj_create_ 9 43072 NULL
121821 +nfs_map_group_to_gid_43082 nfs_map_group_to_gid 3 43082 NULL
121822 +_xfer_secondary_pool_43089 _xfer_secondary_pool 2 43089 NULL
121823 +sysfs_create_file_ns_43103 sysfs_create_file_ns 0 43103 NULL
121824 +ieee80211_if_fmt_drop_unencrypted_43107 ieee80211_if_fmt_drop_unencrypted 3 43107 NULL
121825 +calculate_node_totalpages_43118 calculate_node_totalpages 2-3 43118 NULL
121826 +read_file_dfs_43145 read_file_dfs 3 43145 NULL
121827 +cfs_cpt_table_alloc_43159 cfs_cpt_table_alloc 1 43159 NULL
121828 +usb_string_sub_43164 usb_string_sub 0 43164 NULL
121829 +il_dbgfs_power_save_status_read_43165 il_dbgfs_power_save_status_read 3 43165 NULL
121830 +ath6kl_set_assoc_req_ies_43185 ath6kl_set_assoc_req_ies 3 43185 NULL
121831 +ext4_xattr_ibody_get_43200 ext4_xattr_ibody_get 0 43200 NULL
121832 +uio_write_43202 uio_write 3 43202 NULL
121833 +iso_callback_43208 iso_callback 3 43208 NULL
121834 +ath10k_p2p_calc_noa_ie_len_43209 ath10k_p2p_calc_noa_ie_len 0 43209 NULL
121835 +f2fs_acl_from_disk_43210 f2fs_acl_from_disk 2 43210 NULL
121836 +atomic_long_add_return_43217 atomic_long_add_return 1 43217 NULL
121837 +gfs2_direct_IO_43220 gfs2_direct_IO 4 43220 NULL
121838 +batadv_tt_tvlv_unicast_handler_v1_43239 batadv_tt_tvlv_unicast_handler_v1 5 43239 NULL
121839 +vmemmap_alloc_block_43245 vmemmap_alloc_block 1 43245 NULL
121840 +ide_end_rq_43269 ide_end_rq 4 43269 NULL
121841 +evtchn_write_43278 evtchn_write 3 43278 NULL nohasharray
121842 +parport_pc_ecp_write_block_pio_43278 parport_pc_ecp_write_block_pio 3 43278 &evtchn_write_43278
121843 +filemap_write_and_wait_range_43279 filemap_write_and_wait_range 0 43279 NULL
121844 +mpage_alloc_43299 mpage_alloc 3 43299 NULL
121845 +mmu_set_spte_43327 mmu_set_spte 7-6 43327 NULL
121846 +__ext4_get_inode_loc_43332 __ext4_get_inode_loc 0 43332 NULL
121847 +xenfb_write_43412 xenfb_write 3 43412 NULL
121848 +ext4_xattr_check_names_43422 ext4_xattr_check_names 0 43422 NULL
121849 +__alloc_bootmem_low_43423 __alloc_bootmem_low 1 43423 NULL
121850 +usb_alloc_urb_43436 usb_alloc_urb 1 43436 NULL
121851 +ath6kl_wmi_roam_tbl_event_rx_43440 ath6kl_wmi_roam_tbl_event_rx 3 43440 NULL
121852 +usemap_size_43443 usemap_size 0-2-1 43443 NULL nohasharray
121853 +usb_string_43443 usb_string 0 43443 &usemap_size_43443
121854 +get_vm_area_size_43444 get_vm_area_size 0 43444 NULL
121855 +fs_path_prepare_for_add_43453 fs_path_prepare_for_add 2 43453 NULL
121856 +nvme_trans_device_id_page_43466 nvme_trans_device_id_page 4 43466 NULL
121857 +tx_tx_data_prepared_read_43497 tx_tx_data_prepared_read 3 43497 NULL
121858 +ieee80211_if_fmt_dot11MeshHWMPnetDiameterTraversalTime_43505 ieee80211_if_fmt_dot11MeshHWMPnetDiameterTraversalTime 3 43505 NULL
121859 +ll_direct_IO_26_43530 ll_direct_IO_26 4 43530 NULL
121860 +dvb_ca_en50221_io_write_43533 dvb_ca_en50221_io_write 3 43533 NULL
121861 +read_events_43534 read_events 3 43534 NULL
121862 +cachefiles_daemon_write_43535 cachefiles_daemon_write 3 43535 NULL
121863 +tx_frag_failed_read_43540 tx_frag_failed_read 3 43540 NULL
121864 +request_resource_43548 request_resource 0 43548 NULL
121865 +rpc_malloc_43573 rpc_malloc 2 43573 NULL
121866 +handle_frequent_errors_43599 handle_frequent_errors 4 43599 NULL
121867 +lpfc_idiag_drbacc_read_reg_43606 lpfc_idiag_drbacc_read_reg 0-3 43606 NULL
121868 +proc_read_43614 proc_read 3 43614 NULL
121869 +disable_dma_on_even_43618 disable_dma_on_even 0 43618 NULL
121870 +alloc_thread_groups_43625 alloc_thread_groups 2 43625 NULL
121871 +random_write_43656 random_write 3 43656 NULL
121872 +bio_integrity_tag_43658 bio_integrity_tag 3 43658 NULL
121873 +ext4_acl_count_43659 ext4_acl_count 0-1 43659 NULL
121874 +write_file_tx99_power_43670 write_file_tx99_power 3 43670 NULL
121875 +dmam_declare_coherent_memory_43679 dmam_declare_coherent_memory 4 43679 NULL
121876 +max77693_bulk_write_43698 max77693_bulk_write 2-3 43698 NULL
121877 +nvkm_connector_create__43711 nvkm_connector_create_ 6 43711 NULL
121878 +fuse_send_read_43725 fuse_send_read 4-0 43725 NULL
121879 +drbd_md_first_sector_43729 drbd_md_first_sector 0 43729 NULL
121880 +snd_rme32_playback_copy_43732 snd_rme32_playback_copy 5 43732 NULL
121881 +__alloc_alien_cache_43734 __alloc_alien_cache 2 43734 NULL
121882 +fuse_conn_congestion_threshold_write_43736 fuse_conn_congestion_threshold_write 3 43736 NULL
121883 +gigaset_initcs_43753 gigaset_initcs 2 43753 NULL
121884 +sctp_setsockopt_active_key_43755 sctp_setsockopt_active_key 3 43755 NULL
121885 +ocfs2_xattr_get_value_outside_43787 ocfs2_xattr_get_value_outside 0 43787 NULL nohasharray
121886 +byte_pos_43787 byte_pos 0 43787 &ocfs2_xattr_get_value_outside_43787
121887 +btrfs_copy_from_user_43806 btrfs_copy_from_user 0-3-1 43806 NULL
121888 +ieee80211_if_fmt_element_ttl_43825 ieee80211_if_fmt_element_ttl 3 43825 NULL
121889 +ieee80211_alloc_hw_43829 ieee80211_alloc_hw 1 43829 NULL
121890 +read_flush_43851 read_flush 3 43851 NULL
121891 +pm860x_bulk_write_43875 pm860x_bulk_write 2-3 43875 NULL
121892 +ec_dbgfs_cmd_write_43895 ec_dbgfs_cmd_write 3 43895 NULL
121893 +SendString_43928 SendString 3 43928 NULL
121894 +stats_dot11RTSFailureCount_read_43948 stats_dot11RTSFailureCount_read 3 43948 NULL
121895 +__get_required_blob_size_43980 __get_required_blob_size 0-3-2 43980 NULL
121896 +nla_reserve_43984 nla_reserve 3 43984 NULL
121897 +__clkdev_alloc_43990 __clkdev_alloc 1 43990 NULL
121898 +kvm_read_guest_virt_43992 kvm_read_guest_virt 4-2 43992 NULL nohasharray
121899 +scsi_command_size_43992 scsi_command_size 0 43992 &kvm_read_guest_virt_43992 nohasharray
121900 +bcm_recvmsg_43992 bcm_recvmsg 4 43992 &scsi_command_size_43992
121901 +emit_flags_44006 emit_flags 4-3 44006 NULL
121902 +write_flush_procfs_44011 write_flush_procfs 3 44011 NULL
121903 +fru_strlen_44046 fru_strlen 0 44046 NULL
121904 +ath9k_def_dump_modal_eeprom_44078 ath9k_def_dump_modal_eeprom 3-2-0 44078 NULL
121905 +SYSC_add_key_44079 SYSC_add_key 4 44079 NULL
121906 +pci_msix_vec_count_44093 pci_msix_vec_count 0 44093 NULL
121907 +xlog_recover_add_to_cont_trans_44102 xlog_recover_add_to_cont_trans 4 44102 NULL
121908 +skb_frag_dma_map_44112 skb_frag_dma_map 0 44112 NULL
121909 +nouveau_clock_create__44116 nouveau_clock_create_ 6 44116 NULL
121910 +tracing_set_trace_read_44122 tracing_set_trace_read 3 44122 NULL
121911 +SyS_process_vm_writev_44129 SyS_process_vm_writev 3-5 44129 NULL
121912 +tracing_resize_saved_cmdlines_44140 tracing_resize_saved_cmdlines 1 44140 NULL
121913 +ttm_get_pages_44142 ttm_get_pages 2 44142 NULL
121914 +scsi_get_resid_44147 scsi_get_resid 0 44147 NULL
121915 +ocfs2_xattr_bucket_find_44174 ocfs2_xattr_bucket_find 0 44174 NULL
121916 +SYSC_set_mempolicy_44176 SYSC_set_mempolicy 3 44176 NULL
121917 +readreg_ipac_44186 readreg_ipac 0 44186 NULL
121918 +handle_eviocgbit_44193 handle_eviocgbit 3 44193 NULL
121919 +btrfs_item_offset_nr_44220 btrfs_item_offset_nr 0 44220 NULL
121920 +srp_alloc_iu_44227 srp_alloc_iu 2 44227 NULL
121921 +scsi_track_queue_full_44239 scsi_track_queue_full 2 44239 NULL
121922 +sigma_action_write_regmap_44240 sigma_action_write_regmap 3 44240 NULL
121923 +device_create_file_44285 device_create_file 0 44285 NULL
121924 +ath6kl_keepalive_read_44303 ath6kl_keepalive_read 3 44303 NULL
121925 +bitmap_scnprintf_44318 bitmap_scnprintf 0-2 44318 NULL
121926 +dispatch_proc_write_44320 dispatch_proc_write 3 44320 NULL
121927 +ccp_init_data_44324 ccp_init_data 5 44324 NULL
121928 +rs_init_44327 rs_init 1 44327 NULL
121929 +nfs_fscache_get_super_cookie_44355 nfs_fscache_get_super_cookie 3 44355 NULL nohasharray
121930 +blk_queue_init_tags_44355 blk_queue_init_tags 2 44355 &nfs_fscache_get_super_cookie_44355
121931 +rts_threshold_read_44384 rts_threshold_read 3 44384 NULL
121932 +mtip_hw_read_flags_44396 mtip_hw_read_flags 3 44396 NULL
121933 +aoedev_flush_44398 aoedev_flush 2 44398 NULL
121934 +strlcpy_44400 strlcpy 3 44400 NULL
121935 +drm_buffer_alloc_44405 drm_buffer_alloc 2 44405 NULL
121936 +osst_do_scsi_44410 osst_do_scsi 4 44410 NULL
121937 +ieee80211_if_read_rc_rateidx_mcs_mask_5ghz_44423 ieee80211_if_read_rc_rateidx_mcs_mask_5ghz 3 44423 NULL
121938 +mic_virtio_copy_to_user_44472 mic_virtio_copy_to_user 3-4 44472 NULL
121939 +write_file_debug_44476 write_file_debug 3 44476 NULL
121940 +btrfs_chunk_item_size_44478 btrfs_chunk_item_size 0-1 44478 NULL
121941 +sdio_align_size_44489 sdio_align_size 0-2 44489 NULL
121942 +bio_advance_44496 bio_advance 2 44496 NULL
121943 +ieee80211_if_read_dropped_frames_ttl_44500 ieee80211_if_read_dropped_frames_ttl 3 44500 NULL
121944 +ac_register_board_44504 ac_register_board 3 44504 NULL
121945 +security_getprocattr_44505 security_getprocattr 0 44505 NULL nohasharray
121946 +iwl_dbgfs_sram_read_44505 iwl_dbgfs_sram_read 3 44505 &security_getprocattr_44505
121947 +spidev_write_44510 spidev_write 3 44510 NULL
121948 +SyS_io_getevents_44519 SyS_io_getevents 3 44519 NULL
121949 +ieee80211_rx_mgmt_assoc_resp_44525 ieee80211_rx_mgmt_assoc_resp 3 44525 NULL
121950 +comm_write_44537 comm_write 3 44537 NULL
121951 +dgrp_config_proc_write_44571 dgrp_config_proc_write 3 44571 NULL
121952 +l2cap_sock_memcpy_fromiovec_cb_44573 l2cap_sock_memcpy_fromiovec_cb 4 44573 NULL
121953 +nouveau_perfmon_create__44602 nouveau_perfmon_create_ 4 44602 NULL
121954 +xpcs_mmd_write_44633 xpcs_mmd_write 3 44633 NULL
121955 +alloc_ctrl_packet_44667 alloc_ctrl_packet 1 44667 NULL
121956 +mpi_resize_44674 mpi_resize 2 44674 NULL
121957 +sysfs_create_link_44685 sysfs_create_link 0 44685 NULL
121958 +ts_read_44687 ts_read 3 44687 NULL
121959 +write_file_spectral_bins_44696 write_file_spectral_bins 3 44696 NULL
121960 +lov_emerg_alloc_44698 lov_emerg_alloc 1 44698 NULL
121961 +C_SYSC_select_44701 C_SYSC_select 1 44701 NULL
121962 +__generic_block_fiemap_44713 __generic_block_fiemap 4 44713 NULL nohasharray
121963 +xfer_to_user_44713 xfer_to_user 3 44713 &__generic_block_fiemap_44713
121964 +nft_hash_tbl_size_44724 nft_hash_tbl_size 0 44724 NULL
121965 +_zd_iowrite32v_locked_44725 _zd_iowrite32v_locked 3 44725 NULL
121966 +clusterip_proc_write_44729 clusterip_proc_write 3 44729 NULL
121967 +fib_count_nexthops_44730 fib_count_nexthops 0 44730 NULL
121968 +efx_wanted_parallelism_44732 efx_wanted_parallelism 0 44732 NULL
121969 +key_tx_rx_count_read_44742 key_tx_rx_count_read 3 44742 NULL
121970 +bch_bio_max_sectors_44755 bch_bio_max_sectors 0 44755 NULL
121971 +tnode_new_44757 tnode_new 3 44757 NULL nohasharray
121972 +pty_write_44757 pty_write 3 44757 &tnode_new_44757
121973 +__videobuf_copy_stream_44769 __videobuf_copy_stream 4-0 44769 NULL
121974 +handsfree_ramp_44777 handsfree_ramp 2 44777 NULL
121975 +irq_domain_add_legacy_44781 irq_domain_add_legacy 4-2 44781 NULL
121976 +sctp_setsockopt_44788 sctp_setsockopt 5 44788 NULL
121977 +rx_dropped_read_44799 rx_dropped_read 3 44799 NULL
121978 +qla4xxx_alloc_work_44813 qla4xxx_alloc_work 2 44813 NULL
121979 +force_static_address_write_44819 force_static_address_write 3 44819 NULL
121980 +mei_cl_read_start_44824 mei_cl_read_start 2 44824 NULL
121981 +rmap_write_protect_44833 rmap_write_protect 2 44833 NULL
121982 +sisusb_write_44834 sisusb_write 3 44834 NULL
121983 +kvm_read_hva_44847 kvm_read_hva 3 44847 NULL
121984 +qib_verbs_send_dma_44850 qib_verbs_send_dma 6 44850 NULL
121985 +copydesc_user_44855 copydesc_user 3 44855 NULL
121986 +set_advertising_44870 set_advertising 4 44870 NULL
121987 +init_rs_44873 init_rs 1 44873 NULL
121988 +skb_availroom_44883 skb_availroom 0 44883 NULL
121989 +do_tty_write_44896 do_tty_write 5 44896 NULL
121990 +regmap_spi_read_44921 regmap_spi_read 3-5 44921 NULL
121991 +tx_queue_status_read_44978 tx_queue_status_read 3 44978 NULL
121992 +bytepos_delta_45017 bytepos_delta 0 45017 NULL
121993 +ptrace_writedata_45021 ptrace_writedata 4 45021 NULL
121994 +dm_kvzalloc_45025 dm_kvzalloc 1 45025 NULL
121995 +sysfs_do_create_link_sd_45057 sysfs_do_create_link_sd 0 45057 NULL
121996 +sel_write_user_45060 sel_write_user 3 45060 NULL
121997 +snd_mixart_BA0_read_45069 snd_mixart_BA0_read 5 45069 NULL
121998 +lnet_expand1tb_45102 lnet_expand1tb 6 45102 NULL
121999 +snd_card_new_45104 snd_card_new 5 45104 NULL
122000 +kvm_mmu_page_get_gfn_45110 kvm_mmu_page_get_gfn 0-2 45110 NULL
122001 +pwr_missing_bcns_cnt_read_45113 pwr_missing_bcns_cnt_read 3 45113 NULL
122002 +usbdev_read_45114 usbdev_read 3 45114 NULL
122003 +send_to_tty_45141 send_to_tty 3 45141 NULL
122004 +cfs_trace_daemon_command_usrstr_45147 cfs_trace_daemon_command_usrstr 2 45147 NULL
122005 +gen_bitmask_string_45149 gen_bitmask_string 6 45149 NULL
122006 +device_write_45156 device_write 3 45156 NULL nohasharray
122007 +ocfs2_remove_inode_range_45156 ocfs2_remove_inode_range 3-4 45156 &device_write_45156
122008 +tomoyo_write_self_45161 tomoyo_write_self 3 45161 NULL
122009 +sta_agg_status_write_45164 sta_agg_status_write 3 45164 NULL
122010 +snd_sb_csp_load_user_45190 snd_sb_csp_load_user 3 45190 NULL nohasharray
122011 +sctp_pack_cookie_45190 sctp_pack_cookie 6 45190 &snd_sb_csp_load_user_45190
122012 +iso_alloc_urb_45206 iso_alloc_urb 4-5 45206 NULL
122013 +spi_alloc_master_45223 spi_alloc_master 2 45223 NULL
122014 +ieee80211_if_read_peer_45233 ieee80211_if_read_peer 3 45233 NULL
122015 +event_enable_write_45238 event_enable_write 3 45238 NULL
122016 +prism2_pda_proc_read_45246 prism2_pda_proc_read 3 45246 NULL
122017 +input_mt_init_slots_45279 input_mt_init_slots 2 45279 NULL
122018 +gfs2_fiemap_45282 gfs2_fiemap 4 45282 NULL
122019 +snd_pcm_oss_sync1_45298 snd_pcm_oss_sync1 2 45298 NULL
122020 +e1000_tx_map_45309 e1000_tx_map 5 45309 NULL
122021 +copy_vm86_regs_from_user_45340 copy_vm86_regs_from_user 3 45340 NULL
122022 +brcmf_sdio_died_dump_45359 brcmf_sdio_died_dump 3 45359 NULL
122023 +null_alloc_repbuf_45375 null_alloc_repbuf 3 45375 NULL
122024 +count_skb_frag_slots_45395 count_skb_frag_slots 0 45395 NULL
122025 +sock_recv_errqueue_45412 sock_recv_errqueue 3 45412 NULL
122026 +ieee80211_if_fmt_dot11MeshHWMProotInterval_45421 ieee80211_if_fmt_dot11MeshHWMProotInterval 3 45421 NULL
122027 +ll_iocontrol_register_45430 ll_iocontrol_register 2 45430 NULL
122028 +tty_buffer_alloc_45437 tty_buffer_alloc 2 45437 NULL
122029 +blkdev_direct_IO_45440 blkdev_direct_IO 4 45440 NULL
122030 +__node_remap_45458 __node_remap 4 45458 NULL
122031 +rds_ib_set_wr_signal_state_45463 rds_ib_set_wr_signal_state 0 45463 NULL
122032 +tracing_read_dyn_info_45468 tracing_read_dyn_info 3 45468 NULL
122033 +__calc_request_pg_45470 __calc_request_pg 0 45470 NULL
122034 +rds_message_copy_from_user_45510 rds_message_copy_from_user 3 45510 NULL
122035 +copy_macs_45534 copy_macs 4 45534 NULL
122036 +nla_attr_size_45545 nla_attr_size 0-1 45545 NULL
122037 +v9fs_direct_read_45546 v9fs_direct_read 3 45546 NULL
122038 +cx18_copy_mdl_to_user_45549 cx18_copy_mdl_to_user 4 45549 NULL
122039 +stats_dot11ACKFailureCount_read_45558 stats_dot11ACKFailureCount_read 3 45558 NULL
122040 +_regmap_bus_raw_write_45559 _regmap_bus_raw_write 2 45559 NULL
122041 +posix_acl_xattr_size_45561 posix_acl_xattr_size 0-1 45561 NULL
122042 +venus_rmdir_45564 venus_rmdir 4 45564 NULL
122043 +ath6kl_keepalive_write_45600 ath6kl_keepalive_write 3 45600 NULL
122044 +hidraw_get_report_45609 hidraw_get_report 3 45609 NULL
122045 +ip_dst_mtu_maybe_forward_45627 ip_dst_mtu_maybe_forward 0 45627 NULL
122046 +compat_mpctl_ioctl_45671 compat_mpctl_ioctl 2 45671 NULL
122047 +dgram_sendmsg_45679 dgram_sendmsg 4 45679 NULL
122048 +smk_write_ambient_45691 smk_write_ambient 3 45691 NULL
122049 +bscnl_emit_45699 bscnl_emit 2-5-0 45699 NULL nohasharray
122050 +unix_dgram_sendmsg_45699 unix_dgram_sendmsg 4 45699 &bscnl_emit_45699
122051 +sg_proc_write_adio_45704 sg_proc_write_adio 3 45704 NULL
122052 +wlcore_smart_config_decode_event_45714 wlcore_smart_config_decode_event 2-4 45714 NULL
122053 +snd_cs46xx_io_read_45734 snd_cs46xx_io_read 5 45734 NULL
122054 +rw_copy_check_uvector_45748 rw_copy_check_uvector 3-0 45748 NULL nohasharray
122055 +v4l2_ctrl_new_std_45748 v4l2_ctrl_new_std 5 45748 &rw_copy_check_uvector_45748
122056 +lkdtm_debugfs_read_45752 lkdtm_debugfs_read 3 45752 NULL
122057 +alloc_ts_config_45775 alloc_ts_config 1 45775 NULL
122058 +osc_checksum_type_seq_write_45785 osc_checksum_type_seq_write 3 45785 NULL
122059 +raw_setsockopt_45800 raw_setsockopt 5 45800 NULL
122060 +rds_tcp_inc_copy_to_user_45804 rds_tcp_inc_copy_to_user 3 45804 NULL
122061 +lbs_rdbbp_read_45805 lbs_rdbbp_read 3 45805 NULL
122062 +pcpu_alloc_alloc_info_45813 pcpu_alloc_alloc_info 1-2 45813 NULL
122063 +ll_max_readahead_mb_seq_write_45815 ll_max_readahead_mb_seq_write 3 45815 NULL
122064 +memcg_update_cache_size_45828 memcg_update_cache_size 2 45828 NULL
122065 +ipv6_recv_rxpmtu_45830 ipv6_recv_rxpmtu 3 45830 NULL
122066 +x509_process_extension_45854 x509_process_extension 5 45854 NULL
122067 +efx_tx_queue_insert_45859 efx_tx_queue_insert 2 45859 NULL
122068 +isdn_write_45863 isdn_write 3 45863 NULL
122069 +get_rdac_req_45882 get_rdac_req 3 45882 NULL
122070 +ocfs2_xattr_block_find_45891 ocfs2_xattr_block_find 0 45891 NULL
122071 +cfs_cpt_weight_45903 cfs_cpt_weight 0 45903 NULL
122072 +wm_adsp_region_to_reg_45915 wm_adsp_region_to_reg 0-2 45915 NULL
122073 +dbgfs_frame_45917 dbgfs_frame 3 45917 NULL
122074 +btree_keys_cachelines_45928 btree_keys_cachelines 0 45928 NULL
122075 +alloc_mr_45935 alloc_mr 1 45935 NULL
122076 +copy_to_45969 copy_to 3 45969 NULL
122077 +rb_simple_read_45972 rb_simple_read 3 45972 NULL
122078 +ioat2_dca_count_dca_slots_45984 ioat2_dca_count_dca_slots 0 45984 NULL
122079 +sierra_setup_urb_46029 sierra_setup_urb 5 46029 NULL
122080 +fnic_reset_stats_read_46030 fnic_reset_stats_read 3 46030 NULL nohasharray
122081 +get_free_entries_46030 get_free_entries 1 46030 &fnic_reset_stats_read_46030
122082 +__access_remote_vm_46031 __access_remote_vm 0 46031 NULL
122083 +snd_emu10k1x_ptr_read_46049 snd_emu10k1x_ptr_read 0 46049 NULL
122084 +dma_tx_errors_read_46060 dma_tx_errors_read 3 46060 NULL nohasharray
122085 +__ocfs2_move_extent_46060 __ocfs2_move_extent 3-4 46060 &dma_tx_errors_read_46060
122086 +sel_commit_bools_write_46077 sel_commit_bools_write 3 46077 NULL
122087 +memcg_update_array_size_46111 memcg_update_array_size 1 46111 NULL nohasharray
122088 +il3945_ucode_general_stats_read_46111 il3945_ucode_general_stats_read 3 46111 &memcg_update_array_size_46111
122089 +C_SYSC_writev_46113 C_SYSC_writev 3 46113 NULL
122090 +mlx4_ib_alloc_fast_reg_page_list_46119 mlx4_ib_alloc_fast_reg_page_list 2 46119 NULL
122091 +rtw_buf_update_46138 rtw_buf_update 4 46138 NULL
122092 +vb2_dma_sg_get_userptr_46146 vb2_dma_sg_get_userptr 3-2 46146 NULL
122093 +__netlink_change_ngroups_46156 __netlink_change_ngroups 2 46156 NULL
122094 +twl_direction_out_46182 twl_direction_out 2 46182 NULL
122095 +vxge_os_dma_malloc_46184 vxge_os_dma_malloc 2 46184 NULL
122096 +fq_resize_46195 fq_resize 2 46195 NULL
122097 +add_conn_list_46197 add_conn_list 3-0 46197 NULL
122098 +i2400m_op_msg_from_user_46213 i2400m_op_msg_from_user 4 46213 NULL
122099 +tm6000_i2c_recv_regs_46215 tm6000_i2c_recv_regs 5 46215 NULL
122100 +dsp_write_46218 dsp_write 2 46218 NULL
122101 +hash_netiface4_expire_46226 hash_netiface4_expire 4 46226 NULL
122102 +xen_setup_msi_irqs_46245 xen_setup_msi_irqs 2 46245 NULL
122103 +mpi_read_raw_data_46248 mpi_read_raw_data 2 46248 NULL
122104 +sg_proc_write_dressz_46316 sg_proc_write_dressz 3 46316 NULL
122105 +C_SYSC_ppoll_46319 C_SYSC_ppoll 2 46319 NULL
122106 +__hwahc_dev_set_key_46328 __hwahc_dev_set_key 5 46328 NULL nohasharray
122107 +compat_SyS_readv_46328 compat_SyS_readv 3 46328 &__hwahc_dev_set_key_46328
122108 +iwl_dbgfs_chain_noise_read_46355 iwl_dbgfs_chain_noise_read 3 46355 NULL
122109 +smk_write_direct_46363 smk_write_direct 3 46363 NULL
122110 +crypto_ablkcipher_reqsize_46411 crypto_ablkcipher_reqsize 0 46411 NULL
122111 +ttm_page_pool_get_pages_46431 ttm_page_pool_get_pages 0-5 46431 NULL
122112 +cfs_power2_roundup_46433 cfs_power2_roundup 0-1 46433 NULL
122113 +wdata_alloc_and_fillpages_46437 wdata_alloc_and_fillpages 1 46437 NULL
122114 +cp210x_set_config_46447 cp210x_set_config 4 46447 NULL
122115 +parport_pc_fifo_write_block_46455 parport_pc_fifo_write_block 3 46455 NULL
122116 +il_dbgfs_clear_traffic_stats_write_46458 il_dbgfs_clear_traffic_stats_write 3 46458 NULL
122117 +filldir64_46469 filldir64 3 46469 NULL
122118 +fill_in_write_vector_46498 fill_in_write_vector 0 46498 NULL
122119 +pin_code_reply_46510 pin_code_reply 4 46510 NULL
122120 +mthca_alloc_cq_buf_46512 mthca_alloc_cq_buf 3 46512 NULL
122121 +kmsg_read_46514 kmsg_read 3 46514 NULL nohasharray
122122 +nouveau_drm_ioctl_46514 nouveau_drm_ioctl 2 46514 &kmsg_read_46514
122123 +nlm_end_grace_write_46517 nlm_end_grace_write 3 46517 NULL
122124 +nl80211_send_rx_assoc_46538 nl80211_send_rx_assoc 4 46538 NULL
122125 +__btrfs_free_extent_46573 __btrfs_free_extent 7 46573 NULL
122126 +dn_current_mss_46574 dn_current_mss 0 46574 NULL
122127 +serverworks_create_gatt_pages_46582 serverworks_create_gatt_pages 1 46582 NULL
122128 +snd_compr_write_data_46592 snd_compr_write_data 3 46592 NULL
122129 +il3945_stats_flag_46606 il3945_stats_flag 0-3 46606 NULL
122130 +vscnprintf_46617 vscnprintf 0-2 46617 NULL
122131 +__kfifo_out_r_46623 __kfifo_out_r 0-3 46623 NULL
122132 +request_key_async_with_auxdata_46624 request_key_async_with_auxdata 4 46624 NULL
122133 +pci_enable_device_46642 pci_enable_device 0 46642 NULL
122134 +vfs_getxattr_alloc_46649 vfs_getxattr_alloc 0 46649 NULL
122135 +e1000_tx_map_46672 e1000_tx_map 4 46672 NULL
122136 +l2cap_create_le_flowctl_pdu_46682 l2cap_create_le_flowctl_pdu 3 46682 NULL
122137 +alloc_data_packet_46698 alloc_data_packet 1 46698 NULL
122138 +__ilog2_u32_46706 __ilog2_u32 0 46706 NULL
122139 +erst_dbg_write_46715 erst_dbg_write 3 46715 NULL
122140 +wl1271_rx_filter_alloc_field_46721 wl1271_rx_filter_alloc_field 5 46721 NULL
122141 +irq_domain_add_simple_46734 irq_domain_add_simple 2 46734 NULL
122142 +read_file_tx99_46741 read_file_tx99 3 46741 NULL
122143 +ext4_count_free_46754 ext4_count_free 2 46754 NULL
122144 +hest_ghes_dev_register_46766 hest_ghes_dev_register 1 46766 NULL
122145 +int_hw_irq_en_46776 int_hw_irq_en 3 46776 NULL
122146 +xfs_iroot_realloc_46826 xfs_iroot_realloc 2 46826 NULL
122147 +shmem_pwrite_fast_46842 shmem_pwrite_fast 3 46842 NULL
122148 +readreg_46845 readreg 0 46845 NULL
122149 +spi_async_46857 spi_async 0 46857 NULL
122150 +vsnprintf_46863 vsnprintf 0 46863 NULL
122151 +nvme_alloc_queue_46865 nvme_alloc_queue 3 46865 NULL
122152 +qp_memcpy_from_queue_iov_46874 qp_memcpy_from_queue_iov 5-4 46874 NULL
122153 +lov_iocontrol_46876 lov_iocontrol 3 46876 NULL
122154 +ixgbe_dbg_reg_ops_write_46895 ixgbe_dbg_reg_ops_write 3 46895 NULL
122155 +sk_mem_pages_46896 sk_mem_pages 0-1 46896 NULL
122156 +alloc_cmdid_46904 alloc_cmdid 0 46904 NULL
122157 +ieee80211_if_fmt_power_mode_46906 ieee80211_if_fmt_power_mode 3 46906 NULL
122158 +wlcore_alloc_hw_46917 wlcore_alloc_hw 1-3 46917 NULL
122159 +fb_write_46924 fb_write 3 46924 NULL
122160 +__sctp_setsockopt_connectx_46949 __sctp_setsockopt_connectx 3 46949 NULL
122161 +qla4xxx_post_aen_work_46953 qla4xxx_post_aen_work 3 46953 NULL
122162 +SYSC_poll_46965 SYSC_poll 2 46965 NULL
122163 +crypto_tfm_alg_alignmask_46971 crypto_tfm_alg_alignmask 0 46971 NULL
122164 +mgmt_pending_add_46976 mgmt_pending_add 5 46976 NULL
122165 +strlcat_46985 strlcat 3 46985 NULL
122166 +bitmap_file_clear_bit_46990 bitmap_file_clear_bit 2 46990 NULL
122167 +sel_write_bool_46996 sel_write_bool 3 46996 NULL
122168 +blk_rq_map_kern_47004 blk_rq_map_kern 4 47004 NULL
122169 +cx231xx_init_bulk_47024 cx231xx_init_bulk 3-2-4 47024 NULL
122170 +fs_path_len_47060 fs_path_len 0 47060 NULL
122171 +event_trigger_regex_write_47067 event_trigger_regex_write 3 47067 NULL
122172 +pipeline_dec_packet_in_read_47076 pipeline_dec_packet_in_read 3 47076 NULL
122173 +scsi_deactivate_tcq_47086 scsi_deactivate_tcq 2 47086 NULL
122174 +iwl_dump_nic_event_log_47089 iwl_dump_nic_event_log 0 47089 NULL
122175 +ptlrpc_lprocfs_threads_max_seq_write_47104 ptlrpc_lprocfs_threads_max_seq_write 3 47104 NULL
122176 +mousedev_read_47123 mousedev_read 3 47123 NULL
122177 +upcall_msg_size_47141 upcall_msg_size 2 47141 NULL
122178 +acpi_ut_initialize_buffer_47143 acpi_ut_initialize_buffer 2 47143 NULL nohasharray
122179 +ses_recv_diag_47143 ses_recv_diag 4 47143 &acpi_ut_initialize_buffer_47143
122180 +mxms_headerlen_47161 mxms_headerlen 0 47161 NULL
122181 +rs_sta_dbgfs_rate_scale_data_read_47165 rs_sta_dbgfs_rate_scale_data_read 3 47165 NULL
122182 +options_write_47243 options_write 3 47243 NULL
122183 +portcntrs_1_read_47253 portcntrs_1_read 3 47253 NULL
122184 +ablkcipher_next_slow_47274 ablkcipher_next_slow 4-3 47274 NULL
122185 +gfs2_readpages_47285 gfs2_readpages 4 47285 NULL
122186 +vsnprintf_47291 vsnprintf 0 47291 NULL
122187 +SYSC_semop_47292 SYSC_semop 3 47292 NULL
122188 +tx_internal_desc_overflow_read_47300 tx_internal_desc_overflow_read 3 47300 NULL
122189 +virtqueue_add_47306 virtqueue_add 3 47306 NULL
122190 +nouveau_fb_create__47316 nouveau_fb_create_ 4 47316 NULL
122191 +ieee80211_if_read_dot11MeshHoldingTimeout_47356 ieee80211_if_read_dot11MeshHoldingTimeout 3 47356 NULL
122192 +nvme_submit_admin_cmd_47357 nvme_submit_admin_cmd 0 47357 NULL
122193 +avc_get_hash_stats_47359 avc_get_hash_stats 0 47359 NULL
122194 +kvm_arch_create_memslot_47364 kvm_arch_create_memslot 3 47364 NULL nohasharray
122195 +__output_copy_user_47364 __output_copy_user 3 47364 &kvm_arch_create_memslot_47364
122196 +__bio_map_kern_47379 __bio_map_kern 3 47379 NULL
122197 +nv_rd32_47390 nv_rd32 0 47390 NULL nohasharray
122198 +trace_options_core_read_47390 trace_options_core_read 3 47390 &nv_rd32_47390
122199 +nametbl_list_47391 nametbl_list 2 47391 NULL
122200 +dgrp_net_write_47392 dgrp_net_write 3 47392 NULL
122201 +pfkey_sendmsg_47394 pfkey_sendmsg 4 47394 NULL
122202 +lbs_wrmac_write_47400 lbs_wrmac_write 3 47400 NULL
122203 +sta_vht_capa_read_47409 sta_vht_capa_read 3 47409 NULL
122204 +crypto_ablkcipher_alignmask_47410 crypto_ablkcipher_alignmask 0 47410 NULL
122205 +lbs_wrrf_write_47418 lbs_wrrf_write 3 47418 NULL
122206 +C_SYSC_set_mempolicy_47466 C_SYSC_set_mempolicy 3 47466 NULL
122207 +lprocfs_fid_write_common_47471 lprocfs_fid_write_common 2 47471 NULL
122208 +nvme_trans_send_fw_cmd_47479 nvme_trans_send_fw_cmd 4 47479 NULL
122209 +newpart_47485 newpart 6-4 47485 NULL
122210 +mcp23s17_read_regs_47491 mcp23s17_read_regs 4 47491 NULL
122211 +core_sys_select_47494 core_sys_select 1 47494 NULL
122212 +as3722_block_write_47503 as3722_block_write 2-3 47503 NULL
122213 +alloc_arraycache_47505 alloc_arraycache 2 47505 NULL
122214 +unlink_simple_47506 unlink_simple 3 47506 NULL
122215 +pstore_decompress_47510 pstore_decompress 0 47510 NULL
122216 +ec_i2c_count_response_47518 ec_i2c_count_response 0 47518 NULL
122217 +__proc_lnet_portal_rotor_47529 __proc_lnet_portal_rotor 5 47529 NULL
122218 +process_vm_rw_47533 process_vm_rw 3-5 47533 NULL nohasharray
122219 +vscnprintf_47533 vscnprintf 0-2 47533 &process_vm_rw_47533
122220 +ieee80211_if_fmt_min_discovery_timeout_47539 ieee80211_if_fmt_min_discovery_timeout 3 47539 NULL
122221 +drbg_statelen_47551 drbg_statelen 0 47551 NULL
122222 +read_ldt_47570 read_ldt 2 47570 NULL
122223 +isku_sysfs_read_last_set_47572 isku_sysfs_read_last_set 6 47572 NULL
122224 +btrfs_stack_header_bytenr_47589 btrfs_stack_header_bytenr 0 47589 NULL
122225 +ext4_kvzalloc_47605 ext4_kvzalloc 1 47605 NULL
122226 +sctp_ssnmap_new_47608 sctp_ssnmap_new 2-1 47608 NULL
122227 +cache_read_pipefs_47615 cache_read_pipefs 3 47615 NULL
122228 +twl4030_clear_set_47624 twl4030_clear_set 4 47624 NULL
122229 +ccp_sha_setkey_47633 ccp_sha_setkey 3 47633 NULL
122230 +get_size_47644 get_size 1-2 47644 NULL
122231 +osc_brw_prep_request_47680 osc_brw_prep_request 5 47680 NULL
122232 +packet_recvmsg_47700 packet_recvmsg 4 47700 NULL nohasharray
122233 +ipath_format_hwmsg_47700 ipath_format_hwmsg 2 47700 &packet_recvmsg_47700
122234 +save_microcode_47717 save_microcode 3 47717 NULL
122235 +bits_to_user_47733 bits_to_user 2-3 47733 NULL
122236 +carl9170_debugfs_read_47738 carl9170_debugfs_read 3 47738 NULL
122237 +ir_prepare_write_buffer_47747 ir_prepare_write_buffer 3 47747 NULL
122238 +mvumi_alloc_mem_resource_47750 mvumi_alloc_mem_resource 3 47750 NULL
122239 +alloc_sched_domains_47756 alloc_sched_domains 1 47756 NULL
122240 +uwb_ie_dump_hex_47774 uwb_ie_dump_hex 4 47774 NULL
122241 +SyS_setgroups16_47780 SyS_setgroups16 1 47780 NULL
122242 +error_error_numll_frame_cts_start_read_47781 error_error_numll_frame_cts_start_read 3 47781 NULL
122243 +ptlrpc_prep_req_47792 ptlrpc_prep_req 4 47792 NULL
122244 +posix_acl_fix_xattr_from_user_47793 posix_acl_fix_xattr_from_user 2 47793 NULL
122245 +W6692_empty_Bfifo_47804 W6692_empty_Bfifo 2 47804 NULL
122246 +lov_packmd_47810 lov_packmd 0 47810 NULL
122247 +tree_mod_log_insert_move_47823 tree_mod_log_insert_move 5 47823 NULL
122248 +read_file_spectral_bins_47829 read_file_spectral_bins 3 47829 NULL
122249 +pinconf_dbg_config_write_47835 pinconf_dbg_config_write 3 47835 NULL
122250 +KEY_SIZE_47855 KEY_SIZE 0 47855 NULL
122251 +vhci_read_47878 vhci_read 3 47878 NULL
122252 +keyctl_instantiate_key_common_47889 keyctl_instantiate_key_common 4 47889 NULL
122253 +cfs_percpt_alloc_47918 cfs_percpt_alloc 2 47918 NULL
122254 +comedi_write_47926 comedi_write 3 47926 NULL
122255 +nvme_trans_get_blk_desc_len_47946 nvme_trans_get_blk_desc_len 0-2 47946 NULL
122256 +arch_setup_msi_irq_47959 arch_setup_msi_irq 0 47959 NULL
122257 +gether_get_ifname_47972 gether_get_ifname 3 47972 NULL
122258 +mempool_resize_47983 mempool_resize 2 47983 NULL nohasharray
122259 +iwl_dbgfs_ucode_tracing_read_47983 iwl_dbgfs_ucode_tracing_read 3 47983 &mempool_resize_47983
122260 +dbg_port_buf_47990 dbg_port_buf 2 47990 NULL
122261 +ib_umad_write_47993 ib_umad_write 3 47993 NULL
122262 +lustre_cfg_len_48002 lustre_cfg_len 0-1 48002 NULL
122263 +gdm_tty_recv_complete_48011 gdm_tty_recv_complete 2 48011 NULL
122264 +bio_integrity_set_tag_48035 bio_integrity_set_tag 3 48035 NULL
122265 +pppoe_sendmsg_48039 pppoe_sendmsg 4 48039 NULL
122266 +SYSC_writev_48040 SYSC_writev 3 48040 NULL
122267 +wpan_phy_alloc_48056 wpan_phy_alloc 1 48056 NULL
122268 +posix_acl_alloc_48063 posix_acl_alloc 1 48063 NULL
122269 +palmas_bulk_write_48068 palmas_bulk_write 2-3-5 48068 NULL
122270 +disc_write_48070 disc_write 3 48070 NULL
122271 +mmc_alloc_host_48097 mmc_alloc_host 1 48097 NULL
122272 +skb_copy_datagram_const_iovec_48102 skb_copy_datagram_const_iovec 4-2-5 48102 NULL
122273 +wm_latency_write_48125 wm_latency_write 3 48125 NULL
122274 +load_firmware_48128 load_firmware 2 48128 NULL
122275 +vmw_framebuffer_surface_dirty_48132 vmw_framebuffer_surface_dirty 6 48132 NULL
122276 +set_discoverable_48141 set_discoverable 4 48141 NULL
122277 +dn_fib_count_nhs_48145 dn_fib_count_nhs 0 48145 NULL
122278 +SyS_vmsplice_48150 SyS_vmsplice 3 48150 NULL
122279 +_add_to_r4w_48152 _add_to_r4w 4 48152 NULL
122280 +isr_dma1_done_read_48159 isr_dma1_done_read 3 48159 NULL
122281 +c4iw_id_table_alloc_48163 c4iw_id_table_alloc 3 48163 NULL
122282 +rbd_obj_method_sync_48170 rbd_obj_method_sync 8 48170 NULL
122283 +alloc_cc770dev_48186 alloc_cc770dev 1 48186 NULL
122284 +cfg80211_process_deauth_48200 cfg80211_process_deauth 3 48200 NULL
122285 +ext4_index_trans_blocks_48205 ext4_index_trans_blocks 0-2 48205 NULL
122286 +snd_seq_dump_var_event_48209 snd_seq_dump_var_event 0 48209 NULL
122287 +uv_blade_nr_possible_cpus_48226 uv_blade_nr_possible_cpus 0 48226 NULL
122288 +nilfs_readpages_48229 nilfs_readpages 4 48229 NULL
122289 +read_file_recv_48232 read_file_recv 3 48232 NULL
122290 +unaccount_shadowed_48233 unaccount_shadowed 2 48233 NULL
122291 +nouveau_i2c_port_create__48240 nouveau_i2c_port_create_ 7 48240 NULL
122292 +nfsctl_transaction_read_48250 nfsctl_transaction_read 3 48250 NULL
122293 +batadv_socket_read_48257 batadv_socket_read 3 48257 NULL
122294 +__videobuf_free_48260 __videobuf_free 0 48260 NULL
122295 +cache_write_pipefs_48270 cache_write_pipefs 3 48270 NULL
122296 +trace_options_write_48275 trace_options_write 3 48275 NULL
122297 +send_set_info_48288 send_set_info 7 48288 NULL
122298 +lpfc_idiag_extacc_read_48301 lpfc_idiag_extacc_read 3 48301 NULL
122299 +timblogiw_read_48305 timblogiw_read 3 48305 NULL
122300 +hash_setkey_48310 hash_setkey 3 48310 NULL
122301 +kvm_mmu_pte_write_48340 kvm_mmu_pte_write 2 48340 NULL
122302 +skb_add_data_48363 skb_add_data 3 48363 NULL
122303 +tx_frag_init_called_read_48377 tx_frag_init_called_read 3 48377 NULL
122304 +ath10k_read_htt_max_amsdu_ampdu_48401 ath10k_read_htt_max_amsdu_ampdu 3 48401 NULL
122305 +lbs_debugfs_write_48413 lbs_debugfs_write 3 48413 NULL
122306 +uhid_event_from_user_48417 uhid_event_from_user 2 48417 NULL
122307 +div64_u64_rem_48418 div64_u64_rem 0-1-2 48418 NULL
122308 +pwr_tx_without_ps_read_48423 pwr_tx_without_ps_read 3 48423 NULL
122309 +print_filtered_48442 print_filtered 2-0 48442 NULL
122310 +tun_recvmsg_48463 tun_recvmsg 4 48463 NULL
122311 +copy_page_from_iter_iovec_48466 copy_page_from_iter_iovec 3-0 48466 NULL
122312 +compat_SyS_preadv64_48469 compat_SyS_preadv64 3 48469 NULL
122313 +_iwl_dbgfs_bt_tx_prio_write_48473 _iwl_dbgfs_bt_tx_prio_write 3 48473 NULL
122314 +ipath_format_hwerrors_48487 ipath_format_hwerrors 5 48487 NULL
122315 +r8712_usbctrl_vendorreq_48489 r8712_usbctrl_vendorreq 6 48489 NULL
122316 +ocfs2_refcount_cow_48495 ocfs2_refcount_cow 3 48495 NULL
122317 +send_control_msg_48498 send_control_msg 6 48498 NULL
122318 +count_masked_bytes_48507 count_masked_bytes 0-1 48507 NULL
122319 +diva_os_copy_to_user_48508 diva_os_copy_to_user 4 48508 NULL
122320 +brcmf_sdio_trap_info_48510 brcmf_sdio_trap_info 4 48510 NULL
122321 +phantom_get_free_48514 phantom_get_free 0 48514 NULL
122322 +drbd_bm_capacity_48530 drbd_bm_capacity 0 48530 NULL
122323 +raid10_size_48571 raid10_size 0-2-3 48571 NULL
122324 +nvif_notify_init_48578 nvif_notify_init 7 48578 NULL
122325 +llog_data_len_48607 llog_data_len 1 48607 NULL
122326 +do_ip_vs_set_ctl_48641 do_ip_vs_set_ctl 4 48641 NULL
122327 +kernel_sock_ioctl_48644 kernel_sock_ioctl 0 48644 NULL
122328 +ll_rw_extents_stats_pp_seq_write_48651 ll_rw_extents_stats_pp_seq_write 3 48651 NULL
122329 +mtd_read_48655 mtd_read 0 48655 NULL
122330 +aes_encrypt_packets_read_48666 aes_encrypt_packets_read 3 48666 NULL
122331 +sm501_create_subdev_48668 sm501_create_subdev 3-4 48668 NULL
122332 +hysdn_log_write_48694 hysdn_log_write 3 48694 NULL
122333 +altera_drscan_48698 altera_drscan 2 48698 NULL
122334 +kvm_set_irq_routing_48704 kvm_set_irq_routing 3 48704 NULL
122335 +lpfc_idiag_drbacc_write_48712 lpfc_idiag_drbacc_write 3 48712 NULL
122336 +SyS_lgetxattr_48719 SyS_lgetxattr 4 48719 NULL
122337 +ath6kl_usb_bmi_read_48745 ath6kl_usb_bmi_read 3 48745 NULL
122338 +ath6kl_regwrite_read_48747 ath6kl_regwrite_read 3 48747 NULL
122339 +l2cap_segment_sdu_48772 l2cap_segment_sdu 4 48772 NULL
122340 +il3945_sta_dbgfs_stats_table_read_48802 il3945_sta_dbgfs_stats_table_read 3 48802 NULL
122341 +twa_change_queue_depth_48808 twa_change_queue_depth 2 48808 NULL
122342 +atomic_counters_read_48827 atomic_counters_read 3 48827 NULL
122343 +azx_get_position_48841 azx_get_position 0 48841 NULL
122344 +vc_do_resize_48842 vc_do_resize 3-4 48842 NULL
122345 +comedi_buf_write_alloc_48846 comedi_buf_write_alloc 0-2 48846 NULL
122346 +suspend_dtim_interval_write_48854 suspend_dtim_interval_write 3 48854 NULL
122347 +viafb_dvp1_proc_write_48864 viafb_dvp1_proc_write 3 48864 NULL nohasharray
122348 +C_SYSC_pwritev64_48864 C_SYSC_pwritev64 3 48864 &viafb_dvp1_proc_write_48864
122349 +__ffs_ep0_read_events_48868 __ffs_ep0_read_events 3 48868 NULL
122350 +crypto_cipher_ctxsize_48890 crypto_cipher_ctxsize 0 48890 NULL
122351 +joydev_handle_JSIOCSAXMAP_48898 joydev_handle_JSIOCSAXMAP 3 48898 NULL
122352 +xdi_copy_to_user_48900 xdi_copy_to_user 4 48900 NULL
122353 +msg_hdr_sz_48908 msg_hdr_sz 0 48908 NULL
122354 +sep_crypto_dma_48937 sep_crypto_dma 0 48937 NULL
122355 +si5351_write_parameters_48940 si5351_write_parameters 2 48940 NULL
122356 +event_heart_beat_read_48961 event_heart_beat_read 3 48961 NULL
122357 +nand_ecc_test_run_48966 nand_ecc_test_run 1 48966 NULL
122358 +vmci_handle_arr_create_48971 vmci_handle_arr_create 1 48971 NULL
122359 +nilfs_direct_IO_48981 nilfs_direct_IO 4 48981 NULL
122360 +rds_rm_size_48996 rds_rm_size 0-2 48996 NULL
122361 +sel_write_enforce_48998 sel_write_enforce 3 48998 NULL
122362 +null_alloc_rs_49019 null_alloc_rs 2 49019 NULL
122363 +filemap_check_errors_49022 filemap_check_errors 0 49022 NULL
122364 +transient_status_49027 transient_status 4 49027 NULL
122365 +ll_xattr_cache_add_49032 ll_xattr_cache_add 4-0 49032 NULL
122366 +scsi_register_49094 scsi_register 2 49094 NULL
122367 +compat_do_readv_writev_49102 compat_do_readv_writev 4 49102 NULL
122368 +xfrm_replay_state_esn_len_49119 xfrm_replay_state_esn_len 0 49119 NULL
122369 +ll_max_cached_mb_seq_write_49122 ll_max_cached_mb_seq_write 3 49122 NULL
122370 +pt_read_49136 pt_read 3 49136 NULL nohasharray
122371 +netxen_setup_msi_interrupts_49136 netxen_setup_msi_interrupts 2 49136 &pt_read_49136
122372 +ipwireless_tty_received_49154 ipwireless_tty_received 3 49154 NULL
122373 +f2fs_acl_count_49155 f2fs_acl_count 0-1 49155 NULL
122374 +ipw_queue_tx_init_49161 ipw_queue_tx_init 3 49161 NULL
122375 +__jfs_setxattr_49175 __jfs_setxattr 5 49175 NULL
122376 +ath6kl_bgscan_int_write_49178 ath6kl_bgscan_int_write 3 49178 NULL
122377 +dvb_dvr_ioctl_49182 dvb_dvr_ioctl 2 49182 NULL
122378 +print_queue_49191 print_queue 0-4 49191 NULL
122379 +root_nfs_cat_49192 root_nfs_cat 3 49192 NULL
122380 +iwl_dbgfs_ucode_general_stats_read_49199 iwl_dbgfs_ucode_general_stats_read 3 49199 NULL
122381 +il4965_rs_sta_dbgfs_stats_table_read_49206 il4965_rs_sta_dbgfs_stats_table_read 3 49206 NULL
122382 +do_jffs2_getxattr_49210 do_jffs2_getxattr 0 49210 NULL
122383 +nouveau_therm_create__49228 nouveau_therm_create_ 4 49228 NULL
122384 +ieee80211_if_read_rssi_threshold_49260 ieee80211_if_read_rssi_threshold 3 49260 NULL
122385 +isku_sysfs_read_keys_media_49268 isku_sysfs_read_keys_media 6 49268 NULL
122386 +ptlrpc_check_set_49277 ptlrpc_check_set 0 49277 NULL
122387 +rx_filter_beacon_filter_read_49279 rx_filter_beacon_filter_read 3 49279 NULL
122388 +viafb_dfph_proc_write_49288 viafb_dfph_proc_write 3 49288 NULL
122389 +uio_read_49300 uio_read 3 49300 NULL
122390 +isku_sysfs_read_keys_macro_49312 isku_sysfs_read_keys_macro 6 49312 NULL
122391 +SYSC_mincore_49319 SYSC_mincore 2-1 49319 NULL
122392 +fwtty_port_handler_49327 fwtty_port_handler 9 49327 NULL
122393 +srpt_alloc_ioctx_ring_49330 srpt_alloc_ioctx_ring 2-4-3 49330 NULL
122394 +joydev_ioctl_common_49359 joydev_ioctl_common 2 49359 NULL
122395 +iscsi_alloc_session_49390 iscsi_alloc_session 3 49390 NULL
122396 +ext4_ext_index_trans_blocks_49396 ext4_ext_index_trans_blocks 0 49396 NULL
122397 +rx_streaming_always_read_49401 rx_streaming_always_read 3 49401 NULL
122398 +tnode_alloc_49407 tnode_alloc 1 49407 NULL
122399 +samples_to_bytes_49426 samples_to_bytes 0-2 49426 NULL
122400 +compat_do_msg_fill_49440 compat_do_msg_fill 3 49440 NULL
122401 +__hfsplus_getxattr_49460 __hfsplus_getxattr 0 49460 NULL
122402 +agp_3_5_isochronous_node_enable_49465 agp_3_5_isochronous_node_enable 3 49465 NULL
122403 +xfs_iformat_local_49472 xfs_iformat_local 4 49472 NULL
122404 +tipc_bclink_get_mtu_49483 tipc_bclink_get_mtu 0 49483 NULL
122405 +isr_decrypt_done_read_49490 isr_decrypt_done_read 3 49490 NULL
122406 +iwl_dbgfs_disable_power_off_read_49517 iwl_dbgfs_disable_power_off_read 3 49517 NULL
122407 +SyS_listxattr_49519 SyS_listxattr 3 49519 NULL
122408 +emulator_write_phys_49520 emulator_write_phys 2-4 49520 NULL
122409 +smk_write_access_49561 smk_write_access 3 49561 NULL
122410 +alloc_chunk_49575 alloc_chunk 1 49575 NULL
122411 +sctp_setsockopt_default_send_param_49578 sctp_setsockopt_default_send_param 3 49578 NULL
122412 +readfifo_49583 readfifo 1 49583 NULL
122413 +tap_write_49595 tap_write 3 49595 NULL
122414 +isr_wakeups_read_49607 isr_wakeups_read 3 49607 NULL
122415 +btrfs_mksubvol_49616 btrfs_mksubvol 3 49616 NULL
122416 +heap_init_49617 heap_init 2 49617 NULL
122417 +smk_write_doi_49621 smk_write_doi 3 49621 NULL
122418 +port_fops_read_49626 port_fops_read 3 49626 NULL
122419 +btrfsic_cmp_log_and_dev_bytenr_49628 btrfsic_cmp_log_and_dev_bytenr 2 49628 NULL
122420 +aa_simple_write_to_buffer_49683 aa_simple_write_to_buffer 3-4 49683 NULL
122421 +SyS_pwritev_49688 SyS_pwritev 3 49688 NULL
122422 +__copy_from_user_nocheck_49699 __copy_from_user_nocheck 0-3 49699 NULL
122423 +cx2341x_ctrl_new_menu_49700 cx2341x_ctrl_new_menu 3 49700 NULL
122424 +write_pool_49718 write_pool 3 49718 NULL
122425 +kvm_mmu_notifier_invalidate_page_49723 kvm_mmu_notifier_invalidate_page 3 49723 NULL nohasharray
122426 +sfw_create_test_rpc_49723 sfw_create_test_rpc 4 49723 &kvm_mmu_notifier_invalidate_page_49723
122427 +sep_create_dcb_dmatables_context_kernel_49728 sep_create_dcb_dmatables_context_kernel 6 49728 NULL
122428 +zd_usb_iowrite16v_49744 zd_usb_iowrite16v 3 49744 NULL
122429 +btrfs_chunk_num_stripes_49751 btrfs_chunk_num_stripes 0 49751 NULL
122430 +fuse_wr_pages_49753 fuse_wr_pages 0-1-2 49753 NULL
122431 +key_conf_keylen_read_49758 key_conf_keylen_read 3 49758 NULL
122432 +fuse_conn_waiting_read_49762 fuse_conn_waiting_read 3 49762 NULL
122433 +w83977af_fir_interrupt_49775 w83977af_fir_interrupt 0 49775 NULL
122434 +ceph_osdc_readpages_49789 ceph_osdc_readpages 0 49789 NULL
122435 +nfs4_acl_new_49806 nfs4_acl_new 1 49806 NULL
122436 +__of_parse_phandle_with_args_49807 __of_parse_phandle_with_args 0 49807 NULL
122437 +ntfs_copy_from_user_iovec_49829 ntfs_copy_from_user_iovec 3-6-0 49829 NULL
122438 +add_uuid_49831 add_uuid 4 49831 NULL
122439 +iraw_loop_49842 iraw_loop 0-1 49842 NULL
122440 +twl4030_write_49846 twl4030_write 2 49846 NULL
122441 +scsi_dispatch_cmd_entry_49848 scsi_dispatch_cmd_entry 3 49848 NULL
122442 +timeradd_entry_49850 timeradd_entry 3 49850 NULL
122443 +fiemap_count_to_size_49869 fiemap_count_to_size 0-1 49869 NULL
122444 +sctp_setsockopt_bindx_49870 sctp_setsockopt_bindx 3 49870 NULL
122445 +osc_brw_49896 osc_brw 4 49896 NULL
122446 +fuse_send_write_49915 fuse_send_write 4-0 49915 NULL
122447 +ieee80211_if_fmt_dtim_count_49987 ieee80211_if_fmt_dtim_count 3 49987 NULL
122448 +drm_buffer_copy_from_user_49990 drm_buffer_copy_from_user 3 49990 NULL
122449 +l2cap_chan_send_49995 l2cap_chan_send 3 49995 NULL
122450 +dn_mss_from_pmtu_50011 dn_mss_from_pmtu 0-2 50011 NULL
122451 +security_context_to_sid_50019 security_context_to_sid 2 50019 NULL
122452 +isdn_read_50021 isdn_read 3 50021 NULL
122453 +mdc_rename_pack_50023 mdc_rename_pack 4-6 50023 NULL
122454 +xlog_recovery_process_trans_50028 xlog_recovery_process_trans 4 50028 NULL
122455 +brcmf_debugfs_chipinfo_read_50033 brcmf_debugfs_chipinfo_read 3 50033 NULL
122456 +ioread8_50049 ioread8 0 50049 NULL
122457 +fuse_conn_max_background_write_50061 fuse_conn_max_background_write 3 50061 NULL
122458 +__kfifo_dma_in_prepare_50081 __kfifo_dma_in_prepare 4 50081 NULL
122459 +dev_set_alias_50084 dev_set_alias 3 50084 NULL
122460 +libcfs_ioctl_popdata_50087 libcfs_ioctl_popdata 3 50087 NULL
122461 +sock_setsockopt_50088 sock_setsockopt 5 50088 NULL
122462 +altera_swap_dr_50090 altera_swap_dr 2 50090 NULL
122463 +android_set_cntry_50100 android_set_cntry 0 50100 NULL
122464 +read_file_slot_50111 read_file_slot 3 50111 NULL
122465 +rx_streaming_interval_write_50120 rx_streaming_interval_write 3 50120 NULL
122466 +SYSC_preadv_50134 SYSC_preadv 3 50134 NULL
122467 +tx_frag_need_fragmentation_read_50153 tx_frag_need_fragmentation_read 3 50153 NULL
122468 +kmalloc_node_50163 kmalloc_node 1 50163 NULL
122469 +rx_filter_ibss_filter_read_50167 rx_filter_ibss_filter_read 3 50167 NULL
122470 +ahd_probe_stack_size_50168 ahd_probe_stack_size 0 50168 NULL
122471 +odev_update_50169 odev_update 2 50169 NULL
122472 +ubi_resize_volume_50172 ubi_resize_volume 2 50172 NULL nohasharray
122473 +ieee80211_if_fmt_dot11MeshHWMPRannInterval_50172 ieee80211_if_fmt_dot11MeshHWMPRannInterval 3 50172 &ubi_resize_volume_50172
122474 +cfg80211_roamed_bss_50198 cfg80211_roamed_bss 4-6 50198 NULL
122475 +cyttsp4_probe_50201 cyttsp4_probe 4 50201 NULL
122476 +rx_rx_timeout_wa_read_50204 rx_rx_timeout_wa_read 3 50204 NULL
122477 +l2cap_sock_setsockopt_50207 l2cap_sock_setsockopt 5 50207 NULL
122478 +mon_bin_compat_ioctl_50234 mon_bin_compat_ioctl 3 50234 NULL
122479 +sg_kmalloc_50240 sg_kmalloc 1 50240 NULL
122480 +rxrpc_setsockopt_50286 rxrpc_setsockopt 5 50286 NULL
122481 +soc_codec_reg_show_50302 soc_codec_reg_show 0-3 50302 NULL
122482 +SYSC_flistxattr_50307 SYSC_flistxattr 3 50307 NULL
122483 +SYSC_sched_setaffinity_50310 SYSC_sched_setaffinity 2 50310 NULL
122484 +soc_camera_read_50319 soc_camera_read 3 50319 NULL
122485 +do_launder_page_50329 do_launder_page 0 50329 NULL
122486 +nouveau_engine_create__50331 nouveau_engine_create_ 7 50331 NULL
122487 +lpfc_idiag_pcicfg_read_50334 lpfc_idiag_pcicfg_read 3 50334 NULL
122488 +snd_pcm_lib_writev_50337 snd_pcm_lib_writev 0-3 50337 NULL
122489 +tpm_read_50344 tpm_read 3 50344 NULL
122490 +isdn_ppp_read_50356 isdn_ppp_read 4 50356 NULL
122491 +iwl_dbgfs_echo_test_write_50362 iwl_dbgfs_echo_test_write 3 50362 NULL
122492 +xfrm_send_migrate_50365 xfrm_send_migrate 5 50365 NULL
122493 +roccat_common2_receive_50369 roccat_common2_receive 4 50369 NULL
122494 +sl_alloc_bufs_50380 sl_alloc_bufs 2 50380 NULL
122495 +l2tp_ip_sendmsg_50411 l2tp_ip_sendmsg 4 50411 NULL
122496 +iscsi_create_conn_50425 iscsi_create_conn 2 50425 NULL
122497 +validate_acl_mac_addrs_50429 validate_acl_mac_addrs 0 50429 NULL
122498 +btrfs_error_discard_extent_50444 btrfs_error_discard_extent 2 50444 NULL
122499 +pgctrl_write_50453 pgctrl_write 3 50453 NULL
122500 +device_create_sys_dev_entry_50458 device_create_sys_dev_entry 0 50458 NULL
122501 +cfs_size_round_50472 cfs_size_round 0-1 50472 NULL
122502 +cdrom_read_cdda_50478 cdrom_read_cdda 4 50478 NULL
122503 +mei_io_cb_alloc_req_buf_50493 mei_io_cb_alloc_req_buf 2 50493 NULL
122504 +pwr_rcvd_awake_beacons_read_50505 pwr_rcvd_awake_beacons_read 3 50505 NULL
122505 +ath6kl_set_ap_probe_resp_ies_50539 ath6kl_set_ap_probe_resp_ies 3 50539 NULL
122506 +trigger_request_store_50548 trigger_request_store 4 50548 NULL
122507 +usbat_flash_write_data_50553 usbat_flash_write_data 4 50553 NULL
122508 +fat_readpages_50582 fat_readpages 4 50582 NULL
122509 +iwl_dbgfs_missed_beacon_read_50584 iwl_dbgfs_missed_beacon_read 3 50584 NULL
122510 +xillybus_write_50605 xillybus_write 3 50605 NULL
122511 +rx_rx_checksum_result_read_50617 rx_rx_checksum_result_read 3 50617 NULL
122512 +sparse_early_usemaps_alloc_node_50623 sparse_early_usemaps_alloc_node 4 50623 NULL
122513 +simple_transaction_get_50633 simple_transaction_get 3 50633 NULL
122514 +ath6kl_tm_rx_event_50664 ath6kl_tm_rx_event 3 50664 NULL
122515 +bnad_debugfs_read_50665 bnad_debugfs_read 3 50665 NULL
122516 +prism2_read_fid_reg_50689 prism2_read_fid_reg 0 50689 NULL
122517 +xfs_growfs_get_hdr_buf_50697 xfs_growfs_get_hdr_buf 3 50697 NULL
122518 +dev_mem_read_50706 dev_mem_read 3 50706 NULL
122519 +blk_check_plugged_50736 blk_check_plugged 3 50736 NULL
122520 +__ext3_get_inode_loc_50744 __ext3_get_inode_loc 0 50744 NULL
122521 +ocfs2_xattr_block_get_50773 ocfs2_xattr_block_get 0 50773 NULL
122522 +tm6000_read_write_usb_50774 tm6000_read_write_usb 7 50774 NULL
122523 +tpm_write_50798 tpm_write 3 50798 NULL
122524 +tun_do_read_50800 tun_do_read 4 50800 NULL
122525 +write_flush_50803 write_flush 3 50803 NULL
122526 +dvb_play_50814 dvb_play 3 50814 NULL
122527 +btrfs_stack_file_extent_disk_num_bytes_50825 btrfs_stack_file_extent_disk_num_bytes 0 50825 NULL
122528 +dpcm_show_state_50827 dpcm_show_state 0 50827 NULL
122529 +SetArea_50835 SetArea 4 50835 NULL
122530 +nft_trans_alloc_50836 nft_trans_alloc 3 50836 NULL
122531 +videobuf_dma_init_user_50839 videobuf_dma_init_user 4-3 50839 NULL
122532 +carl9170_debugfs_write_50857 carl9170_debugfs_write 3 50857 NULL
122533 +SyS_lgetxattr_50889 SyS_lgetxattr 4 50889 NULL
122534 +netlbl_secattr_catmap_walk_rng_50894 netlbl_secattr_catmap_walk_rng 0-2 50894 NULL
122535 +__bdev_writeseg_50903 __bdev_writeseg 4 50903 NULL
122536 +xfs_iext_remove_50909 xfs_iext_remove 3 50909 NULL
122537 +blk_rq_cur_sectors_50910 blk_rq_cur_sectors 0 50910 NULL
122538 +hash_recvmsg_50924 hash_recvmsg 4 50924 NULL
122539 +chd_dec_fetch_cdata_50926 chd_dec_fetch_cdata 3 50926 NULL
122540 +show_device_status_50947 show_device_status 0 50947 NULL
122541 +irq_timeout_write_50950 irq_timeout_write 3 50950 NULL
122542 +virtio_cread16_50951 virtio_cread16 0 50951 NULL
122543 +sdio_uart_write_50954 sdio_uart_write 3 50954 NULL
122544 +SyS_setxattr_50957 SyS_setxattr 4 50957 NULL
122545 +of_modalias_node_50975 of_modalias_node 3 50975 NULL
122546 +iwl_statistics_flag_50981 iwl_statistics_flag 0-3 50981 NULL
122547 +timeout_write_50991 timeout_write 3 50991 NULL
122548 +proc_write_51003 proc_write 3 51003 NULL
122549 +jbd2_journal_extend_51012 jbd2_journal_extend 2 51012 NULL
122550 +lbs_dev_info_51023 lbs_dev_info 3 51023 NULL
122551 +fuse_conn_congestion_threshold_read_51028 fuse_conn_congestion_threshold_read 3 51028 NULL
122552 +BcmGetSectionValEndOffset_51039 BcmGetSectionValEndOffset 0 51039 NULL
122553 +dump_midi_51040 dump_midi 3 51040 NULL
122554 +usb_get_descriptor_51041 usb_get_descriptor 0 51041 NULL
122555 +srpt_alloc_ioctx_51042 srpt_alloc_ioctx 2-3 51042 NULL
122556 +do_arpt_set_ctl_51053 do_arpt_set_ctl 4 51053 NULL
122557 +wusb_prf_64_51065 wusb_prf_64 7 51065 NULL
122558 +rsc_mgr_init_51067 rsc_mgr_init 3 51067 NULL
122559 +jbd2_journal_init_revoke_51088 jbd2_journal_init_revoke 2 51088 NULL
122560 +__ipv4_tun_to_nlattr_51095 __ipv4_tun_to_nlattr 4 51095 NULL
122561 +__ocfs2_find_path_51096 __ocfs2_find_path 0 51096 NULL
122562 +ti_recv_51110 ti_recv 3 51110 NULL
122563 +alloc_rtllib_51136 alloc_rtllib 1 51136 NULL
122564 +simple_xattr_set_51140 simple_xattr_set 4 51140 NULL
122565 +xfs_trans_get_efd_51148 xfs_trans_get_efd 3 51148 NULL
122566 +i40evf_acquire_msix_vectors_51190 i40evf_acquire_msix_vectors 2 51190 NULL
122567 +iwl_dbgfs_bcast_filters_macs_read_51231 iwl_dbgfs_bcast_filters_macs_read 3 51231 NULL
122568 +nf_ct_ext_create_51232 nf_ct_ext_create 3 51232 NULL
122569 +snd_pcm_write_51235 snd_pcm_write 3 51235 NULL
122570 +drm_property_create_51239 drm_property_create 4 51239 NULL
122571 +st_read_51251 st_read 3 51251 NULL
122572 +compat_dccp_setsockopt_51263 compat_dccp_setsockopt 5 51263 NULL
122573 +target_alloc_sgl_51264 target_alloc_sgl 3 51264 NULL
122574 +dvb_audio_write_51275 dvb_audio_write 3 51275 NULL
122575 +ipwireless_network_packet_received_51277 ipwireless_network_packet_received 4 51277 NULL
122576 +pvr2_std_id_to_str_51288 pvr2_std_id_to_str 2 51288 NULL
122577 +bnad_debugfs_read_regrd_51308 bnad_debugfs_read_regrd 3 51308 NULL
122578 +init_map_ipmac_51317 init_map_ipmac 5 51317 NULL
122579 +alloc_hippi_dev_51320 alloc_hippi_dev 1 51320 NULL
122580 +ext2_xattr_get_51327 ext2_xattr_get 0 51327 NULL
122581 +smk_write_ptrace_51333 smk_write_ptrace 3 51333 NULL
122582 +alloc_smp_req_51337 alloc_smp_req 1 51337 NULL
122583 +ipw_get_event_log_len_51341 ipw_get_event_log_len 0 51341 NULL
122584 +ieee80211_if_fmt_estab_plinks_51370 ieee80211_if_fmt_estab_plinks 3 51370 NULL
122585 +radeon_kms_compat_ioctl_51371 radeon_kms_compat_ioctl 2 51371 NULL
122586 +blk_register_region_51424 blk_register_region 1-2 51424 NULL
122587 +mwifiex_rdeeprom_read_51429 mwifiex_rdeeprom_read 3 51429 NULL
122588 +hfsplus_brec_read_51436 hfsplus_brec_read 0 51436 NULL
122589 +ieee80211_if_read_dot11MeshHWMPRootMode_51441 ieee80211_if_read_dot11MeshHWMPRootMode 3 51441 NULL
122590 +print_devstats_dot11ACKFailureCount_51443 print_devstats_dot11ACKFailureCount 3 51443 NULL
122591 +vmxnet3_acquire_msix_vectors_51462 vmxnet3_acquire_msix_vectors 2 51462 NULL
122592 +____alloc_ei_netdev_51475 ____alloc_ei_netdev 1 51475 NULL
122593 +xfs_buf_get_uncached_51477 xfs_buf_get_uncached 2 51477 NULL
122594 +osc_brw_internal_51489 osc_brw_internal 5 51489 NULL
122595 +kvm_fetch_guest_virt_51493 kvm_fetch_guest_virt 4-2 51493 NULL
122596 +ieee80211_if_write_uapsd_queues_51526 ieee80211_if_write_uapsd_queues 3 51526 NULL
122597 +__alloc_eip_netdev_51549 __alloc_eip_netdev 1 51549 NULL
122598 +batadv_tt_prepare_tvlv_local_data_51568 batadv_tt_prepare_tvlv_local_data 0 51568 NULL
122599 +ixgb_get_eeprom_len_51586 ixgb_get_eeprom_len 0 51586 NULL
122600 +aac_convert_sgraw2_51598 aac_convert_sgraw2 4 51598 NULL
122601 +table_size_to_number_of_entries_51613 table_size_to_number_of_entries 0-1 51613 NULL
122602 +extent_fiemap_51621 extent_fiemap 3 51621 NULL
122603 +sctp_auth_create_key_51641 sctp_auth_create_key 1 51641 NULL
122604 +iscsi_create_session_51647 iscsi_create_session 3 51647 NULL
122605 +ps_upsd_utilization_read_51669 ps_upsd_utilization_read 3 51669 NULL
122606 +sctp_setsockopt_associnfo_51684 sctp_setsockopt_associnfo 3 51684 NULL
122607 +rtw_os_xmit_resource_alloc23a_51693 rtw_os_xmit_resource_alloc23a 3 51693 NULL
122608 +host_mapping_level_51696 host_mapping_level 0 51696 NULL
122609 +sel_write_access_51704 sel_write_access 3 51704 NULL
122610 +tty_cdev_add_51714 tty_cdev_add 2-4 51714 NULL
122611 +v9fs_alloc_rdir_buf_51716 v9fs_alloc_rdir_buf 2 51716 NULL
122612 +drm_compat_ioctl_51717 drm_compat_ioctl 2 51717 NULL
122613 +sg_read_oxfer_51724 sg_read_oxfer 3 51724 NULL
122614 +str_read_51731 str_read 4 51731 NULL
122615 +cm4040_read_51732 cm4040_read 3 51732 NULL
122616 +get_user_pages_fast_51751 get_user_pages_fast 0 51751 NULL
122617 +ifx_spi_insert_flip_string_51752 ifx_spi_insert_flip_string 3 51752 NULL
122618 +if_write_51756 if_write 3 51756 NULL
122619 +ssd1307fb_alloc_array_51788 ssd1307fb_alloc_array 1 51788 NULL
122620 +qib_alloc_devdata_51819 qib_alloc_devdata 2 51819 NULL
122621 +buffer_from_user_51826 buffer_from_user 3 51826 NULL
122622 +ioread32_51847 ioread32 0 51847 NULL nohasharray
122623 +read_file_tgt_tx_stats_51847 read_file_tgt_tx_stats 3 51847 &ioread32_51847
122624 +do_readv_writev_51849 do_readv_writev 4 51849 NULL
122625 +SYSC_sendto_51852 SYSC_sendto 6 51852 NULL
122626 +bm_page_io_async_51858 bm_page_io_async 2 51858 NULL
122627 +pointer_size_read_51863 pointer_size_read 3 51863 NULL
122628 +get_indirect_ea_51869 get_indirect_ea 4 51869 NULL
122629 +user_read_51881 user_read 3 51881 NULL
122630 +dbAdjCtl_51888 dbAdjCtl 0 51888 NULL
122631 +SyS_mq_timedsend_51896 SyS_mq_timedsend 3 51896 NULL
122632 +wmi_set_ie_51919 wmi_set_ie 3 51919 NULL
122633 +dbg_status_buf_51930 dbg_status_buf 2 51930 NULL
122634 +__tcp_mtu_to_mss_51938 __tcp_mtu_to_mss 0-2 51938 NULL
122635 +xfrm_alg_len_51940 xfrm_alg_len 0 51940 NULL
122636 +scsi_get_vpd_page_51951 scsi_get_vpd_page 4 51951 NULL
122637 +get_clock_info_51952 get_clock_info 4 51952 NULL
122638 +snd_mask_min_51969 snd_mask_min 0 51969 NULL
122639 +get_zone_51981 get_zone 0-1 51981 NULL
122640 +ath6kl_sdio_alloc_prep_scat_req_51986 ath6kl_sdio_alloc_prep_scat_req 2 51986 NULL
122641 +_c4iw_write_mem_dma_51991 _c4iw_write_mem_dma 3 51991 NULL
122642 +dwc3_mode_write_51997 dwc3_mode_write 3 51997 NULL
122643 +skb_copy_datagram_from_iovec_52014 skb_copy_datagram_from_iovec 4-2-5 52014 NULL
122644 +rdmalt_52022 rdmalt 0 52022 NULL
122645 +override_release_52032 override_release 2 52032 NULL
122646 +end_port_52042 end_port 0 52042 NULL
122647 +dma_rx_errors_read_52045 dma_rx_errors_read 3 52045 NULL
122648 +msnd_fifo_write_52052 msnd_fifo_write 0-3 52052 NULL
122649 +dvb_ringbuffer_avail_52057 dvb_ringbuffer_avail 0 52057 NULL
122650 +__fuse_request_alloc_52060 __fuse_request_alloc 1 52060 NULL
122651 +isofs_readpages_52067 isofs_readpages 4 52067 NULL
122652 +mxuport_process_read_urb_data_52072 mxuport_process_read_urb_data 3 52072 NULL
122653 +nsm_get_handle_52089 nsm_get_handle 4 52089 NULL
122654 +o2net_debug_read_52105 o2net_debug_read 3 52105 NULL
122655 +smsdvb_stats_read_52114 smsdvb_stats_read 3 52114 NULL
122656 +split_scan_timeout_write_52128 split_scan_timeout_write 3 52128 NULL
122657 +retry_count_read_52129 retry_count_read 3 52129 NULL
122658 +gdm_usb_hci_send_52138 gdm_usb_hci_send 3 52138 NULL
122659 +sub_alloc_52140 sub_alloc 0 52140 NULL
122660 +hysdn_conf_write_52145 hysdn_conf_write 3 52145 NULL
122661 +htable_size_52148 htable_size 0-1 52148 NULL
122662 +smk_write_load2_52155 smk_write_load2 3 52155 NULL
122663 +tipc_node_get_mtu_52157 tipc_node_get_mtu 0 52157 NULL
122664 +ieee80211_if_read_dot11MeshRetryTimeout_52168 ieee80211_if_read_dot11MeshRetryTimeout 3 52168 NULL
122665 +mga_compat_ioctl_52170 mga_compat_ioctl 2 52170 NULL
122666 +print_prefix_52176 print_prefix 0 52176 NULL
122667 +proc_pid_readlink_52186 proc_pid_readlink 3 52186 NULL
122668 +reiserfs_posix_acl_from_disk_52191 reiserfs_posix_acl_from_disk 2 52191 NULL
122669 +f2fs_seek_block_52194 f2fs_seek_block 2 52194 NULL
122670 +vmci_qp_broker_alloc_52216 vmci_qp_broker_alloc 6-5 52216 NULL
122671 +fuse_request_alloc_52243 fuse_request_alloc 1 52243 NULL
122672 +mdiobus_alloc_size_52259 mdiobus_alloc_size 1 52259 NULL
122673 +shrink_slab_52261 shrink_slab 2 52261 NULL
122674 +ext2_direct_IO_52270 ext2_direct_IO 4 52270 NULL
122675 +sisusbcon_do_font_op_52271 sisusbcon_do_font_op 9 52271 NULL
122676 +handle_supp_msgs_52284 handle_supp_msgs 4 52284 NULL
122677 +kobject_set_name_vargs_52309 kobject_set_name_vargs 0 52309 NULL
122678 +read_file_reset_52310 read_file_reset 3 52310 NULL
122679 +ssd1307fb_write_52315 ssd1307fb_write 3 52315 NULL
122680 +request_asymmetric_key_52317 request_asymmetric_key 2-4 52317 NULL
122681 +hwflags_read_52318 hwflags_read 3 52318 NULL
122682 +test_unaligned_bulk_52333 test_unaligned_bulk 3 52333 NULL
122683 +hur_len_52339 hur_len 0 52339 NULL
122684 +bytes_to_frames_52362 bytes_to_frames 0-2 52362 NULL
122685 +copy_entries_to_user_52367 copy_entries_to_user 1 52367 NULL
122686 +iwl_dump_fh_52371 iwl_dump_fh 0 52371 NULL
122687 +hfsplus_find_attr_52374 hfsplus_find_attr 0 52374 NULL
122688 +mq_emit_config_values_52378 mq_emit_config_values 3 52378 NULL
122689 +isdn_writebuf_stub_52383 isdn_writebuf_stub 4 52383 NULL
122690 +jfs_setxattr_52389 jfs_setxattr 4 52389 NULL
122691 +aer_inject_write_52399 aer_inject_write 3 52399 NULL
122692 +line6_midibuf_init_52425 line6_midibuf_init 2 52425 NULL
122693 +hso_serial_common_create_52428 hso_serial_common_create 4 52428 NULL
122694 +delay_status_52431 delay_status 5 52431 NULL
122695 +ath6kl_delete_qos_write_52435 ath6kl_delete_qos_write 3 52435 NULL
122696 +ieee80211_if_fmt_num_sta_ps_52438 ieee80211_if_fmt_num_sta_ps 3 52438 NULL
122697 +alauda_read_data_52452 alauda_read_data 3 52452 NULL
122698 +bt_alloc_52457 bt_alloc 2 52457 NULL
122699 +ieee80211_alloc_txb_52477 ieee80211_alloc_txb 1 52477 NULL
122700 +usb_tranzport_write_52479 usb_tranzport_write 3 52479 NULL
122701 +ocfs2_extend_no_holes_52483 ocfs2_extend_no_holes 3-4 52483 NULL
122702 +fd_do_rw_52495 fd_do_rw 3 52495 NULL
122703 +int_tasklet_entry_52500 int_tasklet_entry 3 52500 NULL
122704 +lmv_get_easize_52504 lmv_get_easize 0 52504 NULL
122705 +pm_qos_power_write_52513 pm_qos_power_write 3 52513 NULL
122706 +bt_sock_stream_recvmsg_52518 bt_sock_stream_recvmsg 4 52518 NULL
122707 +dup_variable_bug_52525 dup_variable_bug 3 52525 NULL
122708 +raw_recvmsg_52529 raw_recvmsg 4 52529 NULL
122709 +SyS_vmsplice_52540 SyS_vmsplice 3 52540 NULL
122710 +dccpprobe_read_52549 dccpprobe_read 3 52549 NULL
122711 +debug_level_proc_write_52572 debug_level_proc_write 3 52572 NULL
122712 +isku_sysfs_read_macro_52587 isku_sysfs_read_macro 6 52587 NULL
122713 +SyS_setsockopt_52610 SyS_setsockopt 5 52610 NULL
122714 +ll_sa_entry_alloc_52611 ll_sa_entry_alloc 4 52611 NULL
122715 +tps80031_writes_52638 tps80031_writes 3-4 52638 NULL
122716 +brcmf_sdio_assert_info_52653 brcmf_sdio_assert_info 4 52653 NULL
122717 +nvme_queue_extra_52661 nvme_queue_extra 0-1 52661 NULL
122718 +SYSC_gethostname_52677 SYSC_gethostname 2 52677 NULL
122719 +nvd0_disp_pioc_create__52693 nvd0_disp_pioc_create_ 5 52693 NULL
122720 +nouveau_client_create__52715 nouveau_client_create_ 5 52715 NULL
122721 +__dm_stat_bio_52722 __dm_stat_bio 3 52722 NULL
122722 +cx25840_ir_rx_read_52724 cx25840_ir_rx_read 3 52724 NULL
122723 +blkcipher_next_slow_52733 blkcipher_next_slow 3-4 52733 NULL
122724 +relay_alloc_page_array_52735 relay_alloc_page_array 1 52735 NULL
122725 +hfcsusb_rx_frame_52745 hfcsusb_rx_frame 3 52745 NULL
122726 +carl9170_debugfs_vif_dump_read_52755 carl9170_debugfs_vif_dump_read 3 52755 NULL
122727 +ieee80211_if_read_beacon_timeout_52756 ieee80211_if_read_beacon_timeout 3 52756 NULL
122728 +nvme_trans_ext_inq_page_52776 nvme_trans_ext_inq_page 3 52776 NULL
122729 +xenvif_write_io_ring_52802 xenvif_write_io_ring 3 52802 NULL
122730 +pwr_rcvd_beacons_read_52836 pwr_rcvd_beacons_read 3 52836 NULL
122731 +lb_alloc_ep_req_52837 lb_alloc_ep_req 2 52837 NULL
122732 +mon_bin_get_event_52863 mon_bin_get_event 4-6 52863 NULL
122733 +twl6030_gpadc_write_52867 twl6030_gpadc_write 1 52867 NULL
122734 +qib_decode_6120_err_52876 qib_decode_6120_err 3 52876 NULL
122735 +twlreg_write_52880 twlreg_write 3 52880 NULL
122736 +pvr2_ctrl_value_to_sym_internal_52881 pvr2_ctrl_value_to_sym_internal 5 52881 NULL
122737 +cache_read_procfs_52882 cache_read_procfs 3 52882 NULL
122738 +kvm_kvzalloc_52894 kvm_kvzalloc 1 52894 NULL
122739 +copy_from_iter_bvec_52912 copy_from_iter_bvec 0-2 52912 NULL
122740 +dio_bio_reap_52913 dio_bio_reap 0 52913 NULL
122741 +__kfifo_out_peek_r_52919 __kfifo_out_peek_r 3 52919 NULL
122742 +iblock_get_bio_52936 iblock_get_bio 3 52936 NULL
122743 +__nodes_remap_52951 __nodes_remap 5 52951 NULL
122744 +ieee80211_if_fmt_fwded_mcast_52961 ieee80211_if_fmt_fwded_mcast 3 52961 NULL
122745 +tx_tx_exch_read_52986 tx_tx_exch_read 3 52986 NULL
122746 +num_node_state_52989 num_node_state 0 52989 NULL
122747 +efivarfs_file_write_53000 efivarfs_file_write 3 53000 NULL
122748 +btrfs_free_and_pin_reserved_extent_53016 btrfs_free_and_pin_reserved_extent 2 53016 NULL
122749 +tx_tx_exch_pending_read_53018 tx_tx_exch_pending_read 3 53018 NULL
122750 +bio_cur_bytes_53037 bio_cur_bytes 0 53037 NULL
122751 +nv50_chan_create_53039 nv50_chan_create 5 53039 NULL
122752 +regcache_lzo_block_count_53056 regcache_lzo_block_count 0 53056 NULL
122753 +fimc_get_alpha_mask_53057 fimc_get_alpha_mask 0 53057 NULL
122754 +cfi_read_query_53066 cfi_read_query 0 53066 NULL
122755 +iwl_dbgfs_interrupt_write_53069 iwl_dbgfs_interrupt_write 3 53069 NULL
122756 +mwifiex_debug_read_53074 mwifiex_debug_read 3 53074 NULL
122757 +mic_virtio_copy_from_user_53107 mic_virtio_copy_from_user 3 53107 NULL
122758 +ath10k_mac_create_53118 ath10k_mac_create 1 53118 NULL
122759 +verity_status_53120 verity_status 5 53120 NULL
122760 +brcmf_usb_dl_cmd_53130 brcmf_usb_dl_cmd 4 53130 NULL
122761 +ps_poll_ps_poll_max_ap_turn_read_53140 ps_poll_ps_poll_max_ap_turn_read 3 53140 NULL
122762 +copy_user_segment_list_53150 copy_user_segment_list 2 53150 NULL
122763 +ieee80211_bss_info_update_53170 ieee80211_bss_info_update 4 53170 NULL
122764 +btrfs_io_bio_alloc_53179 btrfs_io_bio_alloc 2 53179 NULL
122765 +clear_capture_buf_53192 clear_capture_buf 2 53192 NULL
122766 +tx_tx_start_data_read_53219 tx_tx_start_data_read 3 53219 NULL
122767 +ptlrpc_lprocfs_req_history_max_seq_write_53243 ptlrpc_lprocfs_req_history_max_seq_write 3 53243 NULL
122768 +xfs_trans_read_buf_map_53258 xfs_trans_read_buf_map 5 53258 NULL
122769 +wil_write_file_ssid_53266 wil_write_file_ssid 3 53266 NULL
122770 +btrfs_file_extent_num_bytes_53269 btrfs_file_extent_num_bytes 0 53269 NULL
122771 +f2fs_fiemap_53310 f2fs_fiemap 4 53310 NULL
122772 +ftrace_profile_write_53327 ftrace_profile_write 3 53327 NULL
122773 +find_nr_power_limit_53330 find_nr_power_limit 0 53330 NULL
122774 +gsm_control_reply_53333 gsm_control_reply 4 53333 NULL
122775 +btree_keys_bytes_53348 btree_keys_bytes 0 53348 NULL
122776 +sock_setbindtodevice_53369 sock_setbindtodevice 3 53369 NULL
122777 +get_random_bytes_arch_53370 get_random_bytes_arch 2 53370 NULL
122778 +test_fw_misc_read_53384 test_fw_misc_read 3 53384 NULL
122779 +isr_cmd_cmplt_read_53439 isr_cmd_cmplt_read 3 53439 NULL
122780 +mwifiex_info_read_53447 mwifiex_info_read 3 53447 NULL
122781 +apei_exec_run_optional_53452 apei_exec_run_optional 0 53452 NULL
122782 +paging64_prefetch_gpte_53468 paging64_prefetch_gpte 4 53468 NULL
122783 +ima_write_template_field_data_53475 ima_write_template_field_data 2 53475 NULL nohasharray
122784 +create_trace_kprobe_53475 create_trace_kprobe 1 53475 &ima_write_template_field_data_53475
122785 +iowarrior_read_53483 iowarrior_read 3 53483 NULL
122786 +osd_req_write_kern_53486 osd_req_write_kern 5 53486 NULL
122787 +do_verify_xattr_datum_53499 do_verify_xattr_datum 0 53499 NULL
122788 +snd_pcm_format_physical_width_53505 snd_pcm_format_physical_width 0 53505 NULL
122789 +dbAllocNext_53506 dbAllocNext 0 53506 NULL
122790 +check_acl_53512 check_acl 0 53512 NULL nohasharray
122791 +force_sc_support_write_53512 force_sc_support_write 3 53512 &check_acl_53512
122792 +nft_data_dump_53549 nft_data_dump 5 53549 NULL
122793 +SYSC_bind_53582 SYSC_bind 3 53582 NULL
122794 +cifs_utf16_bytes_53593 cifs_utf16_bytes 0 53593 NULL
122795 +proc_uid_map_write_53596 proc_uid_map_write 3 53596 NULL
122796 +pfkey_recvmsg_53604 pfkey_recvmsg 4 53604 NULL
122797 +___alloc_bootmem_nopanic_53626 ___alloc_bootmem_nopanic 1 53626 NULL nohasharray
122798 +wil_write_file_txmgmt_53626 wil_write_file_txmgmt 3 53626 &___alloc_bootmem_nopanic_53626
122799 +ccid_getsockopt_builtin_ccids_53634 ccid_getsockopt_builtin_ccids 2 53634 NULL
122800 +nr_sendmsg_53656 nr_sendmsg 4 53656 NULL
122801 +fuse_fill_write_pages_53682 fuse_fill_write_pages 0-4 53682 NULL
122802 +v4l2_event_subscribe_53687 v4l2_event_subscribe 3 53687 NULL
122803 +bdev_logical_block_size_53690 bdev_logical_block_size 0 53690 NULL nohasharray
122804 +igb_alloc_q_vector_53690 igb_alloc_q_vector 4-6 53690 &bdev_logical_block_size_53690
122805 +find_overflow_devnum_53711 find_overflow_devnum 0 53711 NULL
122806 +__proc_debug_mb_53732 __proc_debug_mb 5 53732 NULL
122807 +wdm_write_53735 wdm_write 3 53735 NULL
122808 +lpfc_idiag_queacc_read_qe_53755 lpfc_idiag_queacc_read_qe 0-2 53755 NULL
122809 +wa_populate_buf_in_urb_53758 wa_populate_buf_in_urb 3-4 53758 NULL
122810 +ext2_acl_count_53773 ext2_acl_count 0-1 53773 NULL
122811 +__kfifo_dma_in_prepare_r_53792 __kfifo_dma_in_prepare_r 4-5 53792 NULL
122812 +qp_alloc_host_work_53798 qp_alloc_host_work 5-3 53798 NULL
122813 +regmap_raw_write_53803 regmap_raw_write 2-4 53803 NULL
122814 +lpfc_idiag_ctlacc_read_reg_53809 lpfc_idiag_ctlacc_read_reg 0-3 53809 NULL
122815 +nls_nullsize_53815 nls_nullsize 0 53815 NULL
122816 +setup_data_read_53822 setup_data_read 3 53822 NULL
122817 +btrfs_free_reserved_extent_53873 btrfs_free_reserved_extent 2 53873 NULL nohasharray
122818 +pms_read_53873 pms_read 3 53873 &btrfs_free_reserved_extent_53873
122819 +ieee80211_if_fmt_dropped_frames_congestion_53883 ieee80211_if_fmt_dropped_frames_congestion 3 53883 NULL
122820 +SyS_setgroups_53900 SyS_setgroups 1 53900 NULL
122821 +batadv_tt_tvlv_ogm_handler_v1_53909 batadv_tt_tvlv_ogm_handler_v1 5 53909 NULL
122822 +azx_via_get_position_53916 azx_via_get_position 0 53916 NULL
122823 +usb_serial_generic_write_53927 usb_serial_generic_write 4 53927 NULL
122824 +idetape_chrdev_write_53976 idetape_chrdev_write 3 53976 NULL
122825 +__ocfs2_xattr_set_value_outside_53981 __ocfs2_xattr_set_value_outside 5 53981 NULL
122826 +ieee80211_if_fmt_dot11MeshHWMPperrMinInterval_53998 ieee80211_if_fmt_dot11MeshHWMPperrMinInterval 3 53998 NULL
122827 +hfsplus_attr_build_key_54013 hfsplus_attr_build_key 0 54013 NULL
122828 +snd_pcm_lib_write_transfer_54018 snd_pcm_lib_write_transfer 5-2-4 54018 NULL
122829 +mdc_kuc_write_54019 mdc_kuc_write 3 54019 NULL
122830 +ipxrtr_route_packet_54036 ipxrtr_route_packet 4 54036 NULL
122831 +batadv_tt_update_orig_54049 batadv_tt_update_orig 6-4 54049 NULL
122832 +pipeline_dec_packet_out_read_54052 pipeline_dec_packet_out_read 3 54052 NULL
122833 +nl80211_send_disconnected_54056 nl80211_send_disconnected 5 54056 NULL
122834 +rproc_state_read_54057 rproc_state_read 3 54057 NULL
122835 +bitmap_bitremap_54096 bitmap_bitremap 4 54096 NULL
122836 +altera_set_ir_pre_54103 altera_set_ir_pre 2 54103 NULL nohasharray
122837 +lustre_posix_acl_xattr_filter_54103 lustre_posix_acl_xattr_filter 2 54103 &altera_set_ir_pre_54103
122838 +__comedi_buf_write_alloc_54112 __comedi_buf_write_alloc 0-2 54112 NULL
122839 +strn_len_54122 strn_len 0 54122 NULL
122840 +isku_receive_54130 isku_receive 4 54130 NULL
122841 +isr_host_acknowledges_read_54136 isr_host_acknowledges_read 3 54136 NULL
122842 +irq_blk_threshold_write_54138 irq_blk_threshold_write 3 54138 NULL
122843 +memcpy_toiovec_54166 memcpy_toiovec 3 54166 NULL
122844 +nouveau_falcon_create__54169 nouveau_falcon_create_ 8 54169 NULL
122845 +p9_client_prepare_req_54175 p9_client_prepare_req 3 54175 NULL
122846 +do_sys_poll_54221 do_sys_poll 2 54221 NULL
122847 +__register_chrdev_54223 __register_chrdev 2-3 54223 NULL
122848 +pi_read_regr_54231 pi_read_regr 0 54231 NULL
122849 +mcp23s08_read_regs_54246 mcp23s08_read_regs 4 54246 NULL
122850 +reada_add_block_54247 reada_add_block 2 54247 NULL
122851 +write_file_spec_scan_ctl_54248 write_file_spec_scan_ctl 3 54248 NULL
122852 +xfs_dir2_sf_addname_hard_54254 xfs_dir2_sf_addname_hard 3 54254 NULL
122853 +ceph_msgpool_get_54258 ceph_msgpool_get 2 54258 NULL
122854 +audio_write_54261 audio_write 4 54261 NULL nohasharray
122855 +wusb_prf_54261 wusb_prf 7 54261 &audio_write_54261
122856 +mwifiex_getlog_read_54269 mwifiex_getlog_read 3 54269 NULL
122857 +kstrtou16_from_user_54274 kstrtou16_from_user 2 54274 NULL
122858 +sizeof_long_54276 sizeof_long 0 54276 NULL
122859 +altera_set_dr_post_54291 altera_set_dr_post 2 54291 NULL
122860 +dlm_alloc_pagevec_54296 dlm_alloc_pagevec 1 54296 NULL
122861 +reclaim_pages_54301 reclaim_pages 3 54301 NULL
122862 +sprintf_54306 sprintf 0 54306 NULL
122863 +path_setxattr_54308 path_setxattr 4 54308 NULL
122864 +bio_add_pc_page_54319 bio_add_pc_page 4 54319 NULL
122865 +br_fdb_fillbuf_54339 br_fdb_fillbuf 0 54339 NULL
122866 +__alloc_dev_table_54343 __alloc_dev_table 2 54343 NULL
122867 +__get_free_pages_54352 __get_free_pages 0 54352 NULL
122868 +readlink_copy_54366 readlink_copy 2 54366 NULL
122869 +read_file_credit_dist_stats_54367 read_file_credit_dist_stats 3 54367 NULL
122870 +intel_sdvo_write_cmd_54377 intel_sdvo_write_cmd 4 54377 NULL nohasharray
122871 +do_dccp_setsockopt_54377 do_dccp_setsockopt 5 54377 &intel_sdvo_write_cmd_54377
122872 +ah_alloc_tmp_54378 ah_alloc_tmp 3-2 54378 NULL
122873 +snd_pcm_oss_read2_54387 snd_pcm_oss_read2 0-3 54387 NULL
122874 +iwl_dbgfs_power_save_status_read_54392 iwl_dbgfs_power_save_status_read 3 54392 NULL nohasharray
122875 +hash_mac4_expire_54392 hash_mac4_expire 4 54392 &iwl_dbgfs_power_save_status_read_54392
122876 +ll_ra_count_get_54410 ll_ra_count_get 3 54410 NULL
122877 +copy_gadget_strings_54417 copy_gadget_strings 2-3 54417 NULL
122878 +sparse_early_mem_maps_alloc_node_54485 sparse_early_mem_maps_alloc_node 4 54485 NULL
122879 +simple_strtoull_54493 simple_strtoull 0 54493 NULL
122880 +l2cap_create_basic_pdu_54508 l2cap_create_basic_pdu 3 54508 NULL
122881 +btrfs_ordered_sum_size_54509 btrfs_ordered_sum_size 0-2 54509 NULL
122882 +rfc4106_set_key_54519 rfc4106_set_key 3 54519 NULL
122883 +vmci_transport_dgram_enqueue_54525 vmci_transport_dgram_enqueue 4 54525 NULL
122884 +viacam_read_54526 viacam_read 3 54526 NULL
122885 +unix_dgram_connect_54535 unix_dgram_connect 3 54535 NULL
122886 +setsockopt_54539 setsockopt 5 54539 NULL
122887 +lbs_lowsnr_write_54549 lbs_lowsnr_write 3 54549 NULL
122888 +SYSC_setsockopt_54561 SYSC_setsockopt 5 54561 NULL
122889 +nfsd_vfs_write_54577 nfsd_vfs_write 6 54577 NULL
122890 +fw_iso_buffer_init_54582 fw_iso_buffer_init 3 54582 NULL
122891 +nvme_npages_54601 nvme_npages 0-1 54601 NULL
122892 +irq_pkt_threshold_write_54605 irq_pkt_threshold_write 3 54605 NULL
122893 +port_fops_write_54627 port_fops_write 3 54627 NULL
122894 +tipc_send_stream_54648 tipc_send_stream 4 54648 NULL
122895 +irq_timeout_read_54653 irq_timeout_read 3 54653 NULL
122896 +dns_resolver_read_54658 dns_resolver_read 3 54658 NULL
122897 +twl6030_interrupt_mask_54659 twl6030_interrupt_mask 2 54659 NULL
122898 +simple_alloc_urb_54661 simple_alloc_urb 3 54661 NULL
122899 +tdp_page_fault_54663 tdp_page_fault 2 54663 NULL
122900 +bus_add_device_54665 bus_add_device 0 54665 NULL
122901 +cw1200_queue_stats_init_54670 cw1200_queue_stats_init 2 54670 NULL
122902 +bio_kmalloc_54672 bio_kmalloc 2 54672 NULL
122903 +evm_read_key_54674 evm_read_key 3 54674 NULL
122904 +jfs_direct_IO_54687 jfs_direct_IO 4 54687 NULL
122905 +rfkill_fop_read_54711 rfkill_fop_read 3 54711 NULL
122906 +ocfs2_control_write_54737 ocfs2_control_write 3 54737 NULL
122907 +kzalloc_54740 kzalloc 1 54740 NULL
122908 +wep_iv_read_54744 wep_iv_read 3 54744 NULL
122909 +lpfc_idiag_pcicfg_write_54749 lpfc_idiag_pcicfg_write 3 54749 NULL
122910 +crystalhd_user_data_54754 crystalhd_user_data 3 54754 NULL
122911 +iio_event_chrdev_read_54757 iio_event_chrdev_read 3 54757 NULL
122912 +adis16480_show_firmware_date_54762 adis16480_show_firmware_date 3 54762 NULL
122913 +ldsem_atomic_update_54774 ldsem_atomic_update 1 54774 NULL
122914 +flexcop_device_kmalloc_54793 flexcop_device_kmalloc 1 54793 NULL
122915 +nfsd_write_54809 nfsd_write 6 54809 NULL
122916 +ar9287_dump_modal_eeprom_54814 ar9287_dump_modal_eeprom 3-2 54814 NULL
122917 +kvzalloc_54815 kvzalloc 1 54815 NULL nohasharray
122918 +crypto_tfm_ctx_alignment_54815 crypto_tfm_ctx_alignment 0 54815 &kvzalloc_54815 nohasharray
122919 +aes_decrypt_fail_read_54815 aes_decrypt_fail_read 3 54815 &crypto_tfm_ctx_alignment_54815
122920 +generic_perform_write_54832 generic_perform_write 3 54832 NULL
122921 +write_rio_54837 write_rio 3 54837 NULL
122922 +ext3_acl_from_disk_54839 ext3_acl_from_disk 2 54839 NULL nohasharray
122923 +nouveau_engctx_create__54839 nouveau_engctx_create_ 8 54839 &ext3_acl_from_disk_54839
122924 +ufx_ops_write_54848 ufx_ops_write 3 54848 NULL
122925 +printer_read_54851 printer_read 3 54851 NULL
122926 +broadsheet_spiflash_rewrite_sector_54864 broadsheet_spiflash_rewrite_sector 2 54864 NULL
122927 +prism_build_supp_rates_54865 prism_build_supp_rates 0 54865 NULL
122928 +iscsi_pool_init_54913 iscsi_pool_init 2-4 54913 NULL nohasharray
122929 +kobject_set_name_vargs_54913 kobject_set_name_vargs 0 54913 &iscsi_pool_init_54913
122930 +btrfs_stack_chunk_num_stripes_54923 btrfs_stack_chunk_num_stripes 0 54923 NULL
122931 +bio_add_page_54933 bio_add_page 0-3 54933 NULL
122932 +mxms_structlen_54939 mxms_structlen 0 54939 NULL
122933 +add_port_54941 add_port 2 54941 NULL
122934 +tipc_send2name_54946 tipc_send2name 5 54946 NULL
122935 +ath9k_dump_btcoex_54949 ath9k_dump_btcoex 0-3 54949 NULL
122936 +alauda_write_data_54967 alauda_write_data 3 54967 NULL
122937 +c4_add_card_54968 c4_add_card 3 54968 NULL
122938 +ext3_xattr_get_54989 ext3_xattr_get 0 54989 NULL
122939 +cx231xx_v4l2_read_55014 cx231xx_v4l2_read 3 55014 NULL
122940 +error_error_null_Frame_tx_start_read_55024 error_error_null_Frame_tx_start_read 3 55024 NULL
122941 +efw_transaction_55052 efw_transaction 5-7 55052 NULL
122942 +apei_exec_run_55075 apei_exec_run 0 55075 NULL
122943 +bitmap_storage_alloc_55077 bitmap_storage_alloc 2 55077 NULL
122944 +read_dma_55086 read_dma 3 55086 NULL
122945 +rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read_55106 rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read 3 55106 NULL
122946 +crypto_ahash_setkey_55134 crypto_ahash_setkey 3 55134 NULL
122947 +filldir_55137 filldir 3 55137 NULL
122948 +ocfs2_truncate_file_55148 ocfs2_truncate_file 3 55148 NULL
122949 +npages_to_npools_55149 npages_to_npools 0-1 55149 NULL
122950 +ieee80211_if_read_uapsd_queues_55150 ieee80211_if_read_uapsd_queues 3 55150 NULL
122951 +sel_write_relabel_55195 sel_write_relabel 3 55195 NULL
122952 +compat_SyS_ppoll_55196 compat_SyS_ppoll 2 55196 NULL
122953 +sched_feat_write_55202 sched_feat_write 3 55202 NULL
122954 +ht40allow_map_read_55209 ht40allow_map_read 3 55209 NULL
122955 +__kfifo_dma_out_prepare_r_55211 __kfifo_dma_out_prepare_r 4-5 55211 NULL
122956 +mlx4_load_one_55213 mlx4_load_one 3 55213 NULL
122957 +do_raw_setsockopt_55215 do_raw_setsockopt 5 55215 NULL
122958 +qxl_alloc_client_monitors_config_55216 qxl_alloc_client_monitors_config 2 55216 NULL
122959 +nouveau_mc_create__55217 nouveau_mc_create_ 4 55217 NULL
122960 +dbAllocDmap_55227 dbAllocDmap 0 55227 NULL
122961 +memcpy_fromiovec_55247 memcpy_fromiovec 3 55247 NULL
122962 +lbs_failcount_write_55276 lbs_failcount_write 3 55276 NULL
122963 +persistent_ram_new_55286 persistent_ram_new 1-2 55286 NULL
122964 +rx_streaming_interval_read_55291 rx_streaming_interval_read 3 55291 NULL
122965 +lov_get_stripecnt_55297 lov_get_stripecnt 0-3 55297 NULL
122966 +gsm_control_modem_55303 gsm_control_modem 3 55303 NULL
122967 +wimax_msg_len_55304 wimax_msg_len 0 55304 NULL
122968 +qp_alloc_guest_work_55305 qp_alloc_guest_work 5-3 55305 NULL nohasharray
122969 +compat_SyS_process_vm_readv_55305 compat_SyS_process_vm_readv 3-5 55305 &qp_alloc_guest_work_55305
122970 +compat_SyS_mbind_55329 compat_SyS_mbind 5 55329 NULL
122971 +vme_user_read_55338 vme_user_read 3 55338 NULL
122972 +__wa_xfer_setup_sizes_55342 __wa_xfer_setup_sizes 0 55342 NULL nohasharray
122973 +sctp_datamsg_from_user_55342 sctp_datamsg_from_user 4 55342 &__wa_xfer_setup_sizes_55342
122974 +cw1200_sdio_align_size_55391 cw1200_sdio_align_size 2 55391 NULL
122975 +iwl_dbgfs_plcp_delta_read_55407 iwl_dbgfs_plcp_delta_read 3 55407 NULL
122976 +nouveau_cli_create_55425 nouveau_cli_create 3 55425 NULL
122977 +si476x_radio_read_rds_blckcnt_blob_55427 si476x_radio_read_rds_blckcnt_blob 3 55427 NULL
122978 +__vxge_hw_channel_allocate_55462 __vxge_hw_channel_allocate 3 55462 NULL
122979 +cx23888_ir_rx_read_55473 cx23888_ir_rx_read 3 55473 NULL
122980 +ufshcd_exec_dev_cmd_55479 ufshcd_exec_dev_cmd 0 55479 NULL
122981 +snd_pcm_lib_write_55483 snd_pcm_lib_write 0-3 55483 NULL
122982 +i2o_pool_alloc_55485 i2o_pool_alloc 4 55485 NULL
122983 +batadv_tt_entries_55487 batadv_tt_entries 0-1 55487 NULL
122984 +ras_stride_increase_window_55501 ras_stride_increase_window 3 55501 NULL
122985 +tx_tx_done_int_template_read_55511 tx_tx_done_int_template_read 3 55511 NULL
122986 +ea_get_55522 ea_get 3-0 55522 NULL
122987 +buffer_size_55534 buffer_size 0 55534 NULL
122988 +set_msr_interception_55538 set_msr_interception 2 55538 NULL
122989 +tty_port_register_device_55543 tty_port_register_device 3 55543 NULL
122990 +hash_ipport6_expire_55549 hash_ipport6_expire 4 55549 NULL
122991 +dm_stats_list_55551 dm_stats_list 4 55551 NULL
122992 +compat_SyS_setsockopt_55581 compat_SyS_setsockopt 5 55581 NULL
122993 +add_partition_55588 add_partition 2 55588 NULL
122994 +kstrtou8_from_user_55599 kstrtou8_from_user 2 55599 NULL
122995 +SyS_keyctl_55602 SyS_keyctl 4 55602 NULL
122996 +macvtap_put_user_55609 macvtap_put_user 4 55609 NULL
122997 +selinux_setprocattr_55611 selinux_setprocattr 4 55611 NULL
122998 +edge_tty_recv_55622 edge_tty_recv 3 55622 NULL
122999 +reiserfs_xattr_get_55628 reiserfs_xattr_get 0 55628 NULL nohasharray
123000 +pktgen_if_write_55628 pktgen_if_write 3 55628 &reiserfs_xattr_get_55628
123001 +osc_obd_max_pages_per_rpc_seq_write_55636 osc_obd_max_pages_per_rpc_seq_write 3 55636 NULL
123002 +xfs_bmbt_maxrecs_55649 xfs_bmbt_maxrecs 0-2 55649 NULL
123003 +lpfc_idiag_queinfo_read_55662 lpfc_idiag_queinfo_read 3 55662 NULL
123004 +il_dbgfs_tx_queue_read_55668 il_dbgfs_tx_queue_read 3 55668 NULL
123005 +get_info_55681 get_info 3 55681 NULL
123006 +iwl_dbgfs_plcp_delta_write_55682 iwl_dbgfs_plcp_delta_write 3 55682 NULL
123007 +ext4_alloc_file_blocks_55689 ext4_alloc_file_blocks 3 55689 NULL
123008 +genl_allocate_reserve_groups_55705 genl_allocate_reserve_groups 1 55705 NULL
123009 +pm8001_store_update_fw_55716 pm8001_store_update_fw 4 55716 NULL
123010 +tap_pwup_write_55723 tap_pwup_write 3 55723 NULL
123011 +__iio_allocate_kfifo_55738 __iio_allocate_kfifo 2 55738 NULL
123012 +set_local_name_55757 set_local_name 4 55757 NULL
123013 +ethtool_copy_validate_indir_55769 ethtool_copy_validate_indir 4 55769 NULL
123014 +strlen_55778 strlen 0 55778 NULL
123015 +set_spte_55783 set_spte 4-5 55783 NULL
123016 +conf_read_55786 conf_read 3 55786 NULL nohasharray
123017 +req_bio_endio_55786 req_bio_endio 3 55786 &conf_read_55786
123018 +uwb_rc_neh_grok_event_55799 uwb_rc_neh_grok_event 3 55799 NULL
123019 +sb16_copy_from_user_55836 sb16_copy_from_user 10-6-7 55836 NULL
123020 +ip_hdrlen_55849 ip_hdrlen 0 55849 NULL
123021 +hcd_alloc_coherent_55862 hcd_alloc_coherent 5 55862 NULL
123022 +shmem_setxattr_55867 shmem_setxattr 4 55867 NULL
123023 +hsc_write_55875 hsc_write 3 55875 NULL
123024 +ramdisk_store_55885 ramdisk_store 4 55885 NULL
123025 +pm_qos_power_read_55891 pm_qos_power_read 3 55891 NULL
123026 +hash_ip4_expire_55911 hash_ip4_expire 4 55911 NULL
123027 +snd_pcm_hw_param_value_min_55917 snd_pcm_hw_param_value_min 0 55917 NULL
123028 +kvm_write_guest_virt_system_55944 kvm_write_guest_virt_system 4-2 55944 NULL
123029 +sel_read_policy_55947 sel_read_policy 3 55947 NULL
123030 +ceph_get_direct_page_vector_55956 ceph_get_direct_page_vector 2 55956 NULL
123031 +simple_read_from_buffer_55957 simple_read_from_buffer 5-2-0 55957 NULL
123032 +tx_tx_imm_resp_read_55964 tx_tx_imm_resp_read 3 55964 NULL
123033 +btrfs_clone_55977 btrfs_clone 5-3-6 55977 NULL
123034 +wa_xfer_create_subset_sg_55992 wa_xfer_create_subset_sg 3-2 55992 NULL
123035 +nvme_alloc_iod_56027 nvme_alloc_iod 1-2 56027 NULL
123036 +iwl_trans_read_prph_56052 iwl_trans_read_prph 0 56052 NULL
123037 +dccp_sendmsg_56058 dccp_sendmsg 4 56058 NULL
123038 +pscsi_get_bio_56103 pscsi_get_bio 1 56103 NULL
123039 +usb_alloc_stream_buffers_56123 usb_alloc_stream_buffers 3 56123 NULL
123040 +sel_read_handle_status_56139 sel_read_handle_status 3 56139 NULL
123041 +write_file_frameerrors_56145 write_file_frameerrors 3 56145 NULL
123042 +rawv6_setsockopt_56165 rawv6_setsockopt 5 56165 NULL
123043 +ath9k_dump_legacy_btcoex_56194 ath9k_dump_legacy_btcoex 0-3 56194 NULL
123044 +vring_add_indirect_56222 vring_add_indirect 4 56222 NULL
123045 +ocfs2_find_xe_in_bucket_56224 ocfs2_find_xe_in_bucket 0 56224 NULL
123046 +ufshcd_query_descriptor_56236 ufshcd_query_descriptor 0 56236 NULL
123047 +do_ipt_set_ctl_56238 do_ipt_set_ctl 4 56238 NULL
123048 +fd_copyin_56247 fd_copyin 3 56247 NULL
123049 +sk_rmem_schedule_56255 sk_rmem_schedule 3 56255 NULL
123050 +acpi_ex_get_serial_access_length_56275 acpi_ex_get_serial_access_length 0-2 56275 NULL
123051 +il4965_ucode_general_stats_read_56277 il4965_ucode_general_stats_read 3 56277 NULL
123052 +ieee80211_if_fmt_user_power_level_56283 ieee80211_if_fmt_user_power_level 3 56283 NULL
123053 +RESIZE_IF_NEEDED_56286 RESIZE_IF_NEEDED 2 56286 NULL
123054 +dvb_aplay_56296 dvb_aplay 3 56296 NULL
123055 +btmrvl_hscfgcmd_read_56303 btmrvl_hscfgcmd_read 3 56303 NULL
123056 +speakup_file_write_56310 speakup_file_write 3 56310 NULL
123057 +pipeline_pre_to_defrag_swi_read_56321 pipeline_pre_to_defrag_swi_read 3 56321 NULL
123058 +journal_init_revoke_table_56331 journal_init_revoke_table 1 56331 NULL
123059 +snd_rawmidi_read_56337 snd_rawmidi_read 3 56337 NULL
123060 +vxge_os_dma_malloc_async_56348 vxge_os_dma_malloc_async 3 56348 NULL
123061 +mite_device_bytes_transferred_56355 mite_device_bytes_transferred 0 56355 NULL
123062 +iov_iter_copy_from_user_atomic_56368 iov_iter_copy_from_user_atomic 0-4 56368 NULL
123063 +dev_read_56369 dev_read 3 56369 NULL
123064 +ath10k_read_simulate_fw_crash_56371 ath10k_read_simulate_fw_crash 3 56371 NULL
123065 +lnet_ping_56378 lnet_ping 4 56378 NULL
123066 +write_gssp_56404 write_gssp 3 56404 NULL
123067 +ocfs2_control_read_56405 ocfs2_control_read 3 56405 NULL
123068 +store_msg_56417 store_msg 3 56417 NULL
123069 +pppol2tp_sendmsg_56420 pppol2tp_sendmsg 4 56420 NULL
123070 +l2cap_segment_le_sdu_56426 l2cap_segment_le_sdu 4 56426 NULL nohasharray
123071 +nvme_submit_cmd_56426 nvme_submit_cmd 0 56426 &l2cap_segment_le_sdu_56426
123072 +lprocfs_fid_space_seq_write_56431 lprocfs_fid_space_seq_write 3 56431 NULL nohasharray
123073 +ec_dbgfs_cmd_read_56431 ec_dbgfs_cmd_read 3 56431 &lprocfs_fid_space_seq_write_56431
123074 +fl_create_56435 fl_create 5 56435 NULL
123075 +gnttab_map_56439 gnttab_map 2 56439 NULL
123076 +cx231xx_init_isoc_56453 cx231xx_init_isoc 3-2-4 56453 NULL
123077 +set_connectable_56458 set_connectable 4 56458 NULL
123078 +osd_req_list_partition_objects_56464 osd_req_list_partition_objects 5 56464 NULL
123079 +putused_user_56467 putused_user 3 56467 NULL
123080 +ocfs2_zero_extend_range_56468 ocfs2_zero_extend_range 3-2 56468 NULL
123081 +lbs_rdmac_write_56471 lbs_rdmac_write 3 56471 NULL
123082 +crypto_shash_alignmask_56486 crypto_shash_alignmask 0 56486 NULL
123083 +ieee80211_rx_mgmt_probe_beacon_56491 ieee80211_rx_mgmt_probe_beacon 3 56491 NULL
123084 +memblock_virt_alloc_56501 memblock_virt_alloc 1 56501 NULL
123085 +init_map_ip_56508 init_map_ip 5 56508 NULL
123086 +lustre_posix_acl_xattr_reduce_space_56512 lustre_posix_acl_xattr_reduce_space 3 56512 NULL
123087 +cfg80211_connect_result_56515 cfg80211_connect_result 4-6 56515 NULL
123088 +ip_options_get_56538 ip_options_get 4 56538 NULL
123089 +ll_wr_track_id_56544 ll_wr_track_id 2 56544 NULL
123090 +alloc_apertures_56561 alloc_apertures 1 56561 NULL
123091 +rs_sta_dbgfs_stats_table_read_56573 rs_sta_dbgfs_stats_table_read 3 56573 NULL
123092 +portcntrs_2_read_56586 portcntrs_2_read 3 56586 NULL
123093 +gro_pull_from_frag0_56593 gro_pull_from_frag0 2 56593 NULL
123094 +event_filter_write_56609 event_filter_write 3 56609 NULL
123095 +nvme_trans_log_temperature_56613 nvme_trans_log_temperature 3 56613 NULL
123096 +gather_array_56641 gather_array 3 56641 NULL
123097 +lookup_extent_backref_56644 lookup_extent_backref 9 56644 NULL
123098 +uvc_debugfs_stats_read_56651 uvc_debugfs_stats_read 3 56651 NULL
123099 +nv50_gpio_intr_mask_56665 nv50_gpio_intr_mask 4-3 56665 NULL
123100 +tg3_nvram_write_block_56666 tg3_nvram_write_block 3 56666 NULL
123101 +snd_gus_dram_read_56686 snd_gus_dram_read 4 56686 NULL
123102 +dvb_ringbuffer_read_user_56702 dvb_ringbuffer_read_user 3-0 56702 NULL
123103 +sfw_alloc_pages_56709 sfw_alloc_pages 3 56709 NULL
123104 +sta_flags_read_56710 sta_flags_read 3 56710 NULL
123105 +ipv6_getsockopt_sticky_56711 ipv6_getsockopt_sticky 5 56711 NULL
123106 +__wa_xfer_setup_segs_56725 __wa_xfer_setup_segs 2 56725 NULL
123107 +__copy_from_user_ll_56738 __copy_from_user_ll 0-3 56738 NULL
123108 +drm_agp_bind_pages_56748 drm_agp_bind_pages 3 56748 NULL
123109 +btrfsic_map_block_56751 btrfsic_map_block 2 56751 NULL
123110 +ttm_alloc_new_pages_56792 ttm_alloc_new_pages 5 56792 NULL
123111 +ion_ioctl_56806 ion_ioctl 2 56806 NULL
123112 +do_syslog_56807 do_syslog 3 56807 NULL
123113 +mtdchar_write_56831 mtdchar_write 3 56831 NULL
123114 +snd_rawmidi_kernel_write1_56847 snd_rawmidi_kernel_write1 4-0 56847 NULL
123115 +si476x_radio_read_agc_blob_56849 si476x_radio_read_agc_blob 3 56849 NULL
123116 +gk20a_ram_get_56863 gk20a_ram_get 2 56863 NULL
123117 +ext3_xattr_ibody_get_56880 ext3_xattr_ibody_get 0 56880 NULL
123118 +pvr2_debugifc_print_status_56890 pvr2_debugifc_print_status 3 56890 NULL
123119 +debug_debug3_read_56894 debug_debug3_read 3 56894 NULL
123120 +le_auto_conn_write_56895 le_auto_conn_write 3 56895 NULL nohasharray
123121 +batadv_tt_update_changes_56895 batadv_tt_update_changes 3 56895 &le_auto_conn_write_56895
123122 +hfsplus_find_cat_56899 hfsplus_find_cat 0 56899 NULL
123123 +strcspn_56913 strcspn 0 56913 NULL
123124 +__kfifo_out_56927 __kfifo_out 0-3 56927 NULL
123125 +journal_init_revoke_56933 journal_init_revoke 2 56933 NULL
123126 +nouveau_xtensa_create__56952 nouveau_xtensa_create_ 8 56952 NULL
123127 +diva_get_driver_info_56967 diva_get_driver_info 0 56967 NULL
123128 +sptlrpc_secflags2str_56995 sptlrpc_secflags2str 3 56995 NULL
123129 +vlsi_alloc_ring_57003 vlsi_alloc_ring 3-4 57003 NULL
123130 +btrfs_super_csum_size_57004 btrfs_super_csum_size 0 57004 NULL
123131 +aircable_process_packet_57027 aircable_process_packet 4 57027 NULL
123132 +ieee80211_if_fmt_state_57043 ieee80211_if_fmt_state 3 57043 NULL nohasharray
123133 +skb_network_offset_57043 skb_network_offset 0 57043 &ieee80211_if_fmt_state_57043
123134 +bytes_to_samples_57049 bytes_to_samples 0-2 57049 NULL
123135 +xfs_buf_read_map_57053 xfs_buf_read_map 3 57053 NULL
123136 +cx2341x_ctrl_new_std_57061 cx2341x_ctrl_new_std 4 57061 NULL
123137 +sca3000_read_data_57064 sca3000_read_data 4 57064 NULL
123138 +pcmcia_replace_cis_57066 pcmcia_replace_cis 3 57066 NULL
123139 +tracing_set_trace_write_57096 tracing_set_trace_write 3 57096 NULL
123140 +altera_get_note_57099 altera_get_note 6 57099 NULL
123141 +hpfs_readpages_57106 hpfs_readpages 4 57106 NULL
123142 +crypto_compress_ctxsize_57109 crypto_compress_ctxsize 0 57109 NULL
123143 +cipso_v4_gentag_loc_57119 cipso_v4_gentag_loc 0 57119 NULL
123144 +ima_show_htable_value_57136 ima_show_htable_value 2 57136 NULL nohasharray
123145 +rds_ib_sub_signaled_57136 rds_ib_sub_signaled 2 57136 &ima_show_htable_value_57136 nohasharray
123146 +nl80211_send_deauth_57136 nl80211_send_deauth 4 57136 &rds_ib_sub_signaled_57136
123147 +snd_sonicvibes_getdmac_57140 snd_sonicvibes_getdmac 0 57140 NULL
123148 +_iwl_dbgfs_bf_params_write_57141 _iwl_dbgfs_bf_params_write 3 57141 NULL
123149 +acpi_gsb_i2c_read_bytes_57145 acpi_gsb_i2c_read_bytes 4 57145 NULL
123150 +udl_prime_create_57159 udl_prime_create 2 57159 NULL
123151 +stk_prepare_sio_buffers_57168 stk_prepare_sio_buffers 2 57168 NULL
123152 +rx_hw_stuck_read_57179 rx_hw_stuck_read 3 57179 NULL
123153 +hash_netnet6_expire_57191 hash_netnet6_expire 4 57191 NULL
123154 +tt3650_ci_msg_57219 tt3650_ci_msg 4 57219 NULL
123155 +dma_fifo_alloc_57236 dma_fifo_alloc 2-3-5 57236 NULL
123156 +drbg_blocklen_57239 drbg_blocklen 0 57239 NULL
123157 +rsxx_cram_write_57244 rsxx_cram_write 3 57244 NULL
123158 +ieee80211_if_fmt_tsf_57249 ieee80211_if_fmt_tsf 3 57249 NULL
123159 +oprofilefs_ulong_from_user_57251 oprofilefs_ulong_from_user 3 57251 NULL
123160 +alloc_flex_gd_57259 alloc_flex_gd 1 57259 NULL
123161 +lbs_sleepparams_write_57283 lbs_sleepparams_write 3 57283 NULL
123162 +pstore_file_read_57288 pstore_file_read 3 57288 NULL
123163 +snd_pcm_read_57289 snd_pcm_read 3 57289 NULL
123164 +string_length_no_trail_57290 string_length_no_trail 0-2 57290 NULL
123165 +ftdi_elan_write_57309 ftdi_elan_write 3 57309 NULL
123166 +write_file_regval_57313 write_file_regval 3 57313 NULL
123167 +__mxt_write_reg_57326 __mxt_write_reg 3 57326 NULL
123168 +usblp_read_57342 usblp_read 3 57342 NULL
123169 +print_devstats_dot11RTSFailureCount_57347 print_devstats_dot11RTSFailureCount 3 57347 NULL
123170 +dio_send_cur_page_57348 dio_send_cur_page 0 57348 NULL
123171 +tipc_bclink_stats_57372 tipc_bclink_stats 2 57372 NULL
123172 +tty_register_device_attr_57381 tty_register_device_attr 2 57381 NULL
123173 +bzImage64_load_57388 bzImage64_load 7 57388 NULL
123174 +read_file_blob_57406 read_file_blob 3 57406 NULL
123175 +enclosure_register_57412 enclosure_register 3 57412 NULL
123176 +read_file_eeprom_57428 read_file_eeprom 3 57428 NULL
123177 +compat_keyctl_instantiate_key_iov_57431 compat_keyctl_instantiate_key_iov 3 57431 NULL
123178 +copy_to_user_fromio_57432 copy_to_user_fromio 3 57432 NULL
123179 +__roundup_pow_of_two_57461 __roundup_pow_of_two 0 57461 NULL
123180 +sisusb_clear_vram_57466 sisusb_clear_vram 2-3 57466 NULL
123181 +ieee80211_if_read_flags_57470 ieee80211_if_read_flags 3 57470 NULL
123182 +read_file_skb_rx_57490 read_file_skb_rx 3 57490 NULL
123183 +bnad_debugfs_write_regwr_57500 bnad_debugfs_write_regwr 3 57500 NULL
123184 +skb_headlen_57501 skb_headlen 0 57501 NULL
123185 +copy_in_user_57502 copy_in_user 3 57502 NULL
123186 +ckhdid_printf_57505 ckhdid_printf 2 57505 NULL
123187 +init_tag_map_57515 init_tag_map 3 57515 NULL
123188 +wil_read_file_ssid_57517 wil_read_file_ssid 3 57517 NULL nohasharray
123189 +il_dbgfs_force_reset_read_57517 il_dbgfs_force_reset_read 3 57517 &wil_read_file_ssid_57517
123190 +cmm_read_57520 cmm_read 3 57520 NULL
123191 +inode_permission_57531 inode_permission 0 57531 NULL
123192 +acpi_dev_get_resources_57534 acpi_dev_get_resources 0 57534 NULL
123193 +ptlrpc_lprocfs_hp_ratio_seq_write_57537 ptlrpc_lprocfs_hp_ratio_seq_write 3 57537 NULL
123194 +compat_SyS_process_vm_writev_57542 compat_SyS_process_vm_writev 3-5 57542 NULL
123195 +ReadHDLCPnP_57559 ReadHDLCPnP 0 57559 NULL
123196 +snd_pcm_playback_ioctl1_57569 snd_pcm_playback_ioctl1 0 57569 NULL
123197 +get_bridge_ifindices_57579 get_bridge_ifindices 0 57579 NULL
123198 +ldlm_cli_enqueue_local_57582 ldlm_cli_enqueue_local 11 57582 NULL
123199 +il_dbgfs_interrupt_write_57591 il_dbgfs_interrupt_write 3 57591 NULL
123200 +read_file_spectral_fft_period_57593 read_file_spectral_fft_period 3 57593 NULL
123201 +copy_to_iter_bvec_57604 copy_to_iter_bvec 0-2 57604 NULL
123202 +tx_tx_retry_template_read_57623 tx_tx_retry_template_read 3 57623 NULL
123203 +sisusbcon_putcs_57630 sisusbcon_putcs 3 57630 NULL
123204 +mem_read_57631 mem_read 3 57631 NULL
123205 +r3964_write_57662 r3964_write 4 57662 NULL
123206 +proc_ns_readlink_57664 proc_ns_readlink 3 57664 NULL
123207 +__lgwrite_57669 __lgwrite 4 57669 NULL
123208 +f1x_match_to_this_node_57695 f1x_match_to_this_node 3 57695 NULL
123209 +i2400m_rx_stats_read_57706 i2400m_rx_stats_read 3 57706 NULL
123210 +ieee80211_if_read_dot11MeshHWMPconfirmationInterval_57722 ieee80211_if_read_dot11MeshHWMPconfirmationInterval 3 57722 NULL
123211 +pppol2tp_recvmsg_57742 pppol2tp_recvmsg 4 57742 NULL
123212 +ieee80211_if_fmt_dot11MeshHWMPpreqMinInterval_57762 ieee80211_if_fmt_dot11MeshHWMPpreqMinInterval 3 57762 NULL
123213 +SYSC_process_vm_writev_57776 SYSC_process_vm_writev 3-5 57776 NULL
123214 +ld2_57794 ld2 0 57794 NULL
123215 +ivtv_read_57796 ivtv_read 3 57796 NULL
123216 +ion_test_ioctl_57799 ion_test_ioctl 2 57799 NULL
123217 +bfad_debugfs_read_regrd_57830 bfad_debugfs_read_regrd 3 57830 NULL
123218 +copy_to_user_57835 copy_to_user 3-0 57835 NULL
123219 +flash_read_57843 flash_read 3 57843 NULL
123220 +kiblnd_create_tx_pool_57846 kiblnd_create_tx_pool 2 57846 NULL
123221 +radeon_ttm_gtt_read_57879 radeon_ttm_gtt_read 3 57879 NULL
123222 +xt_alloc_table_info_57903 xt_alloc_table_info 1 57903 NULL
123223 +iio_read_first_n_kfifo_57910 iio_read_first_n_kfifo 2 57910 NULL
123224 +ll_xattr_find_get_lock_57912 ll_xattr_find_get_lock 0 57912 NULL
123225 +memcg_caches_array_size_57918 memcg_caches_array_size 0-1 57918 NULL
123226 +mwifiex_hscfg_read_57920 mwifiex_hscfg_read 3 57920 NULL
123227 +twl_i2c_write_57923 twl_i2c_write 3-4 57923 NULL
123228 +__snd_gf1_look16_57925 __snd_gf1_look16 0 57925 NULL
123229 +sel_read_handle_unknown_57933 sel_read_handle_unknown 3 57933 NULL
123230 +xfs_mru_cache_create_57943 xfs_mru_cache_create 3 57943 NULL
123231 +key_algorithm_read_57946 key_algorithm_read 3 57946 NULL
123232 +arch_gnttab_init_57948 arch_gnttab_init 2-1 57948 NULL
123233 +ip_set_alloc_57953 ip_set_alloc 1 57953 NULL nohasharray
123234 +ioat3_dca_count_dca_slots_57953 ioat3_dca_count_dca_slots 0 57953 &ip_set_alloc_57953
123235 +iov_iter_npages_57979 iov_iter_npages 0-2 57979 NULL
123236 +do_rx_dma_57996 do_rx_dma 5 57996 NULL
123237 +rx_reset_counter_read_58001 rx_reset_counter_read 3 58001 NULL
123238 +iwl_dbgfs_ucode_rx_stats_read_58023 iwl_dbgfs_ucode_rx_stats_read 3 58023 NULL
123239 +io_playback_transfer_58030 io_playback_transfer 4 58030 NULL
123240 +mce_async_out_58056 mce_async_out 3 58056 NULL
123241 +ocfs2_find_leaf_58065 ocfs2_find_leaf 0 58065 NULL
123242 +dt3155_alloc_coherent_58073 dt3155_alloc_coherent 2 58073 NULL
123243 +cm4040_write_58079 cm4040_write 3 58079 NULL
123244 +savemem_58129 savemem 3 58129 NULL
123245 +ipv6_flowlabel_opt_58135 ipv6_flowlabel_opt 3 58135 NULL nohasharray
123246 +slhc_init_58135 slhc_init 1-2 58135 &ipv6_flowlabel_opt_58135
123247 +garmin_write_bulk_58191 garmin_write_bulk 3 58191 NULL
123248 +ieee80211_if_fmt_flags_58205 ieee80211_if_fmt_flags 3 58205 NULL
123249 +i40evf_allocate_virt_mem_d_58210 i40evf_allocate_virt_mem_d 3 58210 NULL
123250 +btrfsic_create_link_to_next_block_58246 btrfsic_create_link_to_next_block 4 58246 NULL
123251 +read_file_debug_58256 read_file_debug 3 58256 NULL
123252 +osc_max_dirty_mb_seq_write_58263 osc_max_dirty_mb_seq_write 3 58263 NULL
123253 +cfg80211_mgmt_tx_status_58266 cfg80211_mgmt_tx_status 4 58266 NULL
123254 +profile_load_58267 profile_load 3 58267 NULL
123255 +kstrtos8_from_user_58268 kstrtos8_from_user 2 58268 NULL
123256 +acpi_ds_build_internal_package_obj_58271 acpi_ds_build_internal_package_obj 3 58271 NULL
123257 +r100_mm_rreg_58276 r100_mm_rreg 0 58276 NULL
123258 +iscsi_decode_text_input_58292 iscsi_decode_text_input 4 58292 NULL
123259 +ieee80211_if_read_dot11MeshTTL_58307 ieee80211_if_read_dot11MeshTTL 3 58307 NULL
123260 +mic_virtio_copy_from_user_58323 mic_virtio_copy_from_user 3 58323 NULL
123261 +tx_tx_start_int_templates_read_58324 tx_tx_start_int_templates_read 3 58324 NULL
123262 +lstcon_rpc_prep_58325 lstcon_rpc_prep 4 58325 NULL
123263 +ext4_ext_truncate_extend_restart_58331 ext4_ext_truncate_extend_restart 3 58331 NULL
123264 +__copy_from_user_swizzled_58337 __copy_from_user_swizzled 2-4 58337 NULL
123265 +ec_i2c_parse_response_58347 ec_i2c_parse_response 0 58347 NULL
123266 +brcmf_debugfs_sdio_counter_read_58369 brcmf_debugfs_sdio_counter_read 3 58369 NULL
123267 +il_dbgfs_status_read_58388 il_dbgfs_status_read 3 58388 NULL
123268 +_drbd_md_sync_page_io_58403 _drbd_md_sync_page_io 6 58403 NULL
123269 +kvm_mmu_write_protect_pt_masked_58406 kvm_mmu_write_protect_pt_masked 3 58406 NULL nohasharray
123270 +idetape_pad_zeros_58406 idetape_pad_zeros 2 58406 &kvm_mmu_write_protect_pt_masked_58406
123271 +i2400m_pld_size_58415 i2400m_pld_size 0 58415 NULL
123272 +capabilities_read_58457 capabilities_read 3 58457 NULL
123273 +usnic_vnic_get_resources_58462 usnic_vnic_get_resources 3 58462 NULL
123274 +compat_do_ipt_set_ctl_58466 compat_do_ipt_set_ctl 4 58466 NULL nohasharray
123275 +lpfc_idiag_baracc_read_58466 lpfc_idiag_baracc_read 3 58466 &compat_do_ipt_set_ctl_58466
123276 +nv_rd08_58472 nv_rd08 0 58472 NULL
123277 +snd_gf1_read_addr_58483 snd_gf1_read_addr 0 58483 NULL
123278 +snd_rme96_capture_copy_58484 snd_rme96_capture_copy 5 58484 NULL
123279 +dw_spi_show_regs_58486 dw_spi_show_regs 3 58486 NULL
123280 +btrfs_cont_expand_58498 btrfs_cont_expand 2-3 58498 NULL
123281 +tcf_hash_create_58507 tcf_hash_create 4 58507 NULL
123282 +cifs_write_from_iter_58526 cifs_write_from_iter 2 58526 NULL
123283 +rndis_add_response_58544 rndis_add_response 2 58544 NULL
123284 +wep_decrypt_fail_read_58567 wep_decrypt_fail_read 3 58567 NULL
123285 +scnprint_mac_oui_58578 scnprint_mac_oui 3-0 58578 NULL
123286 +cur_wm_latency_write_58581 cur_wm_latency_write 3 58581 NULL
123287 +get_rhf_errstring_58582 get_rhf_errstring 3 58582 NULL
123288 +ea_read_inline_58589 ea_read_inline 0 58589 NULL
123289 +isku_sysfs_read_keys_thumbster_58590 isku_sysfs_read_keys_thumbster 6 58590 NULL
123290 +xip_file_read_58592 xip_file_read 3 58592 NULL
123291 +ecryptfs_write_end_58594 ecryptfs_write_end 5-3 58594 NULL
123292 +radeon_bo_size_58606 radeon_bo_size 0 58606 NULL
123293 +btrfs_direct_IO_58608 btrfs_direct_IO 4 58608 NULL
123294 +skb_copy_to_page_nocache_58624 skb_copy_to_page_nocache 6 58624 NULL
123295 +tx_tx_start_fw_gen_read_58648 tx_tx_start_fw_gen_read 3 58648 NULL
123296 +iwl_dbgfs_rx_handlers_write_58655 iwl_dbgfs_rx_handlers_write 3 58655 NULL
123297 +find_zero_58685 find_zero 0-1 58685 NULL
123298 +uwb_bce_print_IEs_58686 uwb_bce_print_IEs 4 58686 NULL
123299 +tps6586x_writes_58689 tps6586x_writes 2-3 58689 NULL
123300 +visor_charqueue_create_58703 visor_charqueue_create 1 58703 NULL
123301 +vx_send_msg_58711 vx_send_msg 0 58711 NULL
123302 +csum_exist_in_range_58730 csum_exist_in_range 2-3 58730 NULL
123303 +frames_to_bytes_58741 frames_to_bytes 0-2 58741 NULL
123304 +ieee80211_if_write_tkip_mic_test_58748 ieee80211_if_write_tkip_mic_test 3 58748 NULL
123305 +agp_allocate_memory_58761 agp_allocate_memory 2 58761 NULL
123306 +regmap_calc_reg_len_58795 regmap_calc_reg_len 0 58795 NULL
123307 +raw_send_hdrinc_58803 raw_send_hdrinc 4 58803 NULL
123308 +isku_sysfs_read_58806 isku_sysfs_read 5 58806 NULL
123309 +ep_read_58813 ep_read 3 58813 NULL
123310 +command_write_58841 command_write 3 58841 NULL
123311 +ath6kl_wmi_send_action_cmd_58860 ath6kl_wmi_send_action_cmd 7 58860 NULL
123312 +gs_alloc_req_58883 gs_alloc_req 2 58883 NULL
123313 +esas2r_change_queue_depth_58886 esas2r_change_queue_depth 2 58886 NULL
123314 +lprocfs_wr_pinger_recov_58914 lprocfs_wr_pinger_recov 3 58914 NULL
123315 +print_devstats_dot11FCSErrorCount_58919 print_devstats_dot11FCSErrorCount 3 58919 NULL
123316 +pipeline_cs_rx_packet_out_read_58926 pipeline_cs_rx_packet_out_read 3 58926 NULL
123317 +wait_table_hash_nr_entries_58962 wait_table_hash_nr_entries 0 58962 NULL
123318 +ieee80211_if_fmt_dot11MeshHWMPactivePathToRootTimeout_58965 ieee80211_if_fmt_dot11MeshHWMPactivePathToRootTimeout 3 58965 NULL
123319 +crypto_aead_ivsize_58970 crypto_aead_ivsize 0 58970 NULL
123320 +init_list_set_59005 init_list_set 3 59005 NULL
123321 +ep_write_59008 ep_write 3 59008 NULL
123322 +lpfc_idiag_baracc_write_59014 lpfc_idiag_baracc_write 3 59014 NULL
123323 +SyS_preadv_59029 SyS_preadv 3 59029 NULL
123324 +init_pci_cap_msi_perm_59033 init_pci_cap_msi_perm 2 59033 NULL
123325 +selinux_transaction_write_59038 selinux_transaction_write 3 59038 NULL
123326 +crypto_aead_reqsize_59039 crypto_aead_reqsize 0 59039 NULL
123327 +regmap_bulk_write_59049 regmap_bulk_write 2-4 59049 NULL
123328 +mmc_sd_num_wr_blocks_59112 mmc_sd_num_wr_blocks 0 59112 NULL
123329 +sta_tx_latency_stat_table_59122 sta_tx_latency_stat_table 0-4-5 59122 NULL nohasharray
123330 +scsi_io_completion_59122 scsi_io_completion 2 59122 &sta_tx_latency_stat_table_59122
123331 +nfc_llcp_send_i_frame_59130 nfc_llcp_send_i_frame 3 59130 NULL
123332 +framebuffer_alloc_59145 framebuffer_alloc 1 59145 NULL nohasharray
123333 +print_devstats_dot11RTSSuccessCount_59145 print_devstats_dot11RTSSuccessCount 3 59145 &framebuffer_alloc_59145
123334 +radeon_compat_ioctl_59150 radeon_compat_ioctl 2 59150 NULL
123335 +pvr2_hdw_report_clients_59152 pvr2_hdw_report_clients 3 59152 NULL
123336 +ksize_59176 ksize 0 59176 NULL
123337 +setup_window_59178 setup_window 4-2-5-7 59178 NULL
123338 +ocfs2_move_extent_59187 ocfs2_move_extent 2-5 59187 NULL
123339 +xfs_iext_realloc_indirect_59211 xfs_iext_realloc_indirect 2 59211 NULL
123340 +check_mapped_selector_name_59216 check_mapped_selector_name 5 59216 NULL
123341 +dt3155_read_59226 dt3155_read 3 59226 NULL
123342 +paging64_gpte_to_gfn_lvl_59229 paging64_gpte_to_gfn_lvl 0-1-2 59229 NULL
123343 +nla_len_59258 nla_len 0 59258 NULL
123344 +drbd_bm_write_page_59290 drbd_bm_write_page 2 59290 NULL
123345 +btrfs_insert_dir_item_59304 btrfs_insert_dir_item 4 59304 NULL
123346 +fd_copyout_59323 fd_copyout 3 59323 NULL
123347 +rx_defrag_in_process_called_read_59338 rx_defrag_in_process_called_read 3 59338 NULL
123348 +xfs_attrmulti_attr_set_59346 xfs_attrmulti_attr_set 4 59346 NULL
123349 +__map_request_59350 __map_request 0 59350 NULL
123350 +SyS_getrandom_59366 SyS_getrandom 2 59366 NULL
123351 +f2fs_fallocate_59377 f2fs_fallocate 4-3 59377 NULL
123352 +pvr2_debugifc_print_info_59380 pvr2_debugifc_print_info 3 59380 NULL
123353 +journal_init_dev_59384 journal_init_dev 5 59384 NULL
123354 +__net_get_random_once_59389 __net_get_random_once 2 59389 NULL
123355 +isku_sysfs_read_keys_function_59412 isku_sysfs_read_keys_function 6 59412 NULL
123356 +vxge_hw_ring_rxds_per_block_get_59425 vxge_hw_ring_rxds_per_block_get 0 59425 NULL
123357 +SyS_sched_setaffinity_59442 SyS_sched_setaffinity 2 59442 NULL
123358 +fs_path_ensure_buf_59445 fs_path_ensure_buf 2 59445 NULL
123359 +tipc_recv_stream_59456 tipc_recv_stream 4 59456 NULL
123360 +_iwl_dbgfs_bcast_filters_write_59491 _iwl_dbgfs_bcast_filters_write 3 59491 NULL
123361 +ib_copy_from_udata_59502 ib_copy_from_udata 3 59502 NULL
123362 +C_SYSC_get_mempolicy_59516 C_SYSC_get_mempolicy 3 59516 NULL
123363 +mic_vringh_copy_59523 mic_vringh_copy 4 59523 NULL
123364 +msix_setup_entries_59545 msix_setup_entries 0 59545 NULL
123365 +mpi_get_nbits_59551 mpi_get_nbits 0 59551 NULL
123366 +tunables_write_59563 tunables_write 3 59563 NULL
123367 +bio_split_59564 bio_split 2 59564 NULL
123368 +__copy_from_user_ll_nozero_59571 __copy_from_user_ll_nozero 0-3 59571 NULL
123369 +write_pbl_59583 write_pbl 4 59583 NULL
123370 +memdup_user_59590 memdup_user 2 59590 NULL
123371 +mem_fwlog_free_mem_blks_read_59616 mem_fwlog_free_mem_blks_read 3 59616 NULL nohasharray
123372 +xrcdn_free_res_59616 xrcdn_free_res 5 59616 &mem_fwlog_free_mem_blks_read_59616
123373 +ath6kl_endpoint_stats_write_59621 ath6kl_endpoint_stats_write 3 59621 NULL
123374 +mtrr_write_59622 mtrr_write 3 59622 NULL
123375 +find_first_zero_bit_59636 find_first_zero_bit 0 59636 NULL
123376 +SyS_setdomainname_59646 SyS_setdomainname 2 59646 NULL
123377 +hidraw_read_59650 hidraw_read 3 59650 NULL
123378 +v9fs_xattr_set_acl_59651 v9fs_xattr_set_acl 4 59651 NULL
123379 +__devcgroup_check_permission_59665 __devcgroup_check_permission 0 59665 NULL
123380 +iwl_dbgfs_mac_params_read_59666 iwl_dbgfs_mac_params_read 3 59666 NULL
123381 +alloc_dca_provider_59670 alloc_dca_provider 2 59670 NULL
123382 +mic_calc_failure_read_59700 mic_calc_failure_read 3 59700 NULL
123383 +ioperm_get_59701 ioperm_get 4-3 59701 NULL
123384 +prism2_info_scanresults_59729 prism2_info_scanresults 3 59729 NULL
123385 +ieee80211_if_read_fwded_unicast_59740 ieee80211_if_read_fwded_unicast 3 59740 NULL nohasharray
123386 +nv94_aux_mask_59740 nv94_aux_mask 2 59740 &ieee80211_if_read_fwded_unicast_59740
123387 +qib_decode_7220_sdma_errs_59745 qib_decode_7220_sdma_errs 4 59745 NULL
123388 +strnlen_59746 strnlen 0 59746 NULL
123389 +ext3_acl_count_59754 ext3_acl_count 0-1 59754 NULL
123390 +long_retry_limit_read_59766 long_retry_limit_read 3 59766 NULL
123391 +venus_remove_59781 venus_remove 4 59781 NULL
123392 +mei_nfc_recv_59784 mei_nfc_recv 3 59784 NULL
123393 +C_SYSC_preadv_59801 C_SYSC_preadv 3 59801 NULL
123394 +ipw_write_59807 ipw_write 3 59807 NULL
123395 +scsi_init_shared_tag_map_59812 scsi_init_shared_tag_map 2 59812 NULL
123396 +ieee80211_if_read_dot11MeshHWMPmaxPREQretries_59829 ieee80211_if_read_dot11MeshHWMPmaxPREQretries 3 59829 NULL
123397 +gspca_dev_probe2_59833 gspca_dev_probe2 4 59833 NULL
123398 +regmap_raw_write_async_59849 regmap_raw_write_async 2-4 59849 NULL
123399 +biovec_create_pool_59878 biovec_create_pool 1 59878 NULL
123400 +pvr2_ioread_set_sync_key_59882 pvr2_ioread_set_sync_key 3 59882 NULL
123401 +l2cap_sock_recvmsg_59886 l2cap_sock_recvmsg 4 59886 NULL
123402 +ffs_prepare_buffer_59892 ffs_prepare_buffer 2 59892 NULL
123403 +kvm_mmu_notifier_invalidate_range_start_59944 kvm_mmu_notifier_invalidate_range_start 3-4 59944 NULL
123404 +ath10k_read_dfs_stats_59949 ath10k_read_dfs_stats 3 59949 NULL
123405 +dapm_widget_power_read_file_59950 dapm_widget_power_read_file 3 59950 NULL nohasharray
123406 +il_dbgfs_rxon_flags_read_59950 il_dbgfs_rxon_flags_read 3 59950 &dapm_widget_power_read_file_59950
123407 +il_dbgfs_missed_beacon_read_59956 il_dbgfs_missed_beacon_read 3 59956 NULL
123408 +__arch_hweight16_59975 __arch_hweight16 0 59975 NULL
123409 +osd_req_read_kern_59990 osd_req_read_kern 5 59990 NULL
123410 +ghash_async_setkey_60001 ghash_async_setkey 3 60001 NULL
123411 +ieee80211_if_fmt_dot11MeshAwakeWindowDuration_60006 ieee80211_if_fmt_dot11MeshAwakeWindowDuration 3 60006 NULL
123412 +copy_items_60009 copy_items 7 60009 NULL
123413 +rawsock_sendmsg_60010 rawsock_sendmsg 4 60010 NULL
123414 +mthca_init_cq_60011 mthca_init_cq 2 60011 NULL
123415 +osd_req_list_dev_partitions_60027 osd_req_list_dev_partitions 4 60027 NULL
123416 +xlog_bread_offset_60030 xlog_bread_offset 3 60030 NULL
123417 +bio_integrity_hw_sectors_60039 bio_integrity_hw_sectors 0-2 60039 NULL
123418 +do_ip6t_set_ctl_60040 do_ip6t_set_ctl 4 60040 NULL
123419 +vcs_size_60050 vcs_size 0 60050 NULL
123420 +gru_alloc_gts_60056 gru_alloc_gts 3-2 60056 NULL
123421 +compat_writev_60063 compat_writev 3 60063 NULL
123422 +ath6kl_listen_int_write_60066 ath6kl_listen_int_write 3 60066 NULL
123423 +c4iw_num_stags_60073 c4iw_num_stags 0 60073 NULL
123424 +usb_os_desc_prepare_interf_dir_60075 usb_os_desc_prepare_interf_dir 2 60075 NULL
123425 +rxrpc_kernel_send_data_60083 rxrpc_kernel_send_data 3 60083 NULL
123426 +ieee80211_if_fmt_fwded_frames_60103 ieee80211_if_fmt_fwded_frames 3 60103 NULL
123427 +SYSC_msgsnd_60113 SYSC_msgsnd 3 60113 NULL
123428 +nfs_idmap_request_key_60124 nfs_idmap_request_key 2 60124 NULL
123429 +pcpu_need_to_extend_60133 pcpu_need_to_extend 0 60133 NULL
123430 +__mutex_lock_common_60134 __mutex_lock_common 0 60134 NULL
123431 +ld_usb_read_60156 ld_usb_read 3 60156 NULL
123432 +jmb38x_ms_count_slots_60164 jmb38x_ms_count_slots 0 60164 NULL
123433 +init_state_60165 init_state 2 60165 NULL
123434 +jffs2_alloc_full_dirent_60179 jffs2_alloc_full_dirent 1 60179 NULL nohasharray
123435 +sg_build_sgat_60179 sg_build_sgat 3 60179 &jffs2_alloc_full_dirent_60179
123436 +fuse_async_req_send_60183 fuse_async_req_send 0-3 60183 NULL
123437 +rx_rx_tkip_replays_read_60193 rx_rx_tkip_replays_read 3 60193 NULL nohasharray
123438 +arch_setup_msi_irqs_60193 arch_setup_msi_irqs 0 60193 &rx_rx_tkip_replays_read_60193
123439 +qib_reg_phys_mr_60202 qib_reg_phys_mr 3 60202 NULL
123440 +btrfs_get_token_16_60220 btrfs_get_token_16 0 60220 NULL
123441 +irq_alloc_domain_generic_chips_60264 irq_alloc_domain_generic_chips 2-3 60264 NULL
123442 +display_crc_ctl_write_60273 display_crc_ctl_write 3 60273 NULL
123443 +printer_write_60276 printer_write 3 60276 NULL
123444 +do_xip_mapping_read_60297 do_xip_mapping_read 5 60297 NULL
123445 +getDataLength_60301 getDataLength 0 60301 NULL
123446 +bch_subtract_dirty_60306 bch_subtract_dirty 3-4 60306 NULL
123447 +usb_alphatrack_write_60341 usb_alphatrack_write 3 60341 NULL
123448 +__kfifo_from_user_r_60345 __kfifo_from_user_r 5-3 60345 NULL
123449 +max_unfragmented_pages_60362 max_unfragmented_pages 0 60362 NULL
123450 +dccp_setsockopt_60367 dccp_setsockopt 5 60367 NULL
123451 +mthca_alloc_resize_buf_60394 mthca_alloc_resize_buf 3 60394 NULL
123452 +ocfs2_zero_extend_60396 ocfs2_zero_extend 3 60396 NULL
123453 +driver_names_read_60399 driver_names_read 3 60399 NULL
123454 +simple_alloc_urb_60420 simple_alloc_urb 3 60420 NULL
123455 +excessive_retries_read_60425 excessive_retries_read 3 60425 NULL
123456 +kmalloc_60432 kmalloc 1 60432 NULL nohasharray
123457 +tstats_write_60432 tstats_write 3 60432 &kmalloc_60432
123458 +snd_hda_get_num_raw_conns_60462 snd_hda_get_num_raw_conns 0 60462 NULL
123459 +crypto_shash_setkey_60483 crypto_shash_setkey 3 60483 NULL
123460 +lustre_msg_early_size_60496 lustre_msg_early_size 0 60496 NULL
123461 +compat_SyS_get_mempolicy_60527 compat_SyS_get_mempolicy 3 60527 NULL
123462 +v9fs_fid_readn_60544 v9fs_fid_readn 4 60544 NULL
123463 +nonpaging_map_60551 nonpaging_map 4 60551 NULL
123464 +osc_lockless_truncate_seq_write_60553 osc_lockless_truncate_seq_write 3 60553 NULL
123465 +xfs_vm_direct_IO_60557 xfs_vm_direct_IO 4 60557 NULL
123466 +tracing_entries_write_60563 tracing_entries_write 3 60563 NULL
123467 +memblock_virt_alloc_try_nid_nopanic_60604 memblock_virt_alloc_try_nid_nopanic 1 60604 NULL
123468 +skb_transport_offset_60619 skb_transport_offset 0 60619 NULL
123469 +wl1273_fm_fops_write_60621 wl1273_fm_fops_write 3 60621 NULL
123470 +acl_alloc_stack_init_60630 acl_alloc_stack_init 1 60630 NULL
123471 +__proc_lnet_stats_60647 __proc_lnet_stats 5 60647 NULL
123472 +if_sdio_host_to_card_60666 if_sdio_host_to_card 4 60666 NULL
123473 +ieee80211_if_read_dot11MeshConfirmTimeout_60670 ieee80211_if_read_dot11MeshConfirmTimeout 3 60670 NULL
123474 +snd_ice1712_ds_read_60754 snd_ice1712_ds_read 0 60754 NULL
123475 +raid_status_60755 raid_status 5 60755 NULL
123476 +sel_write_checkreqprot_60774 sel_write_checkreqprot 3 60774 NULL
123477 +opticon_write_60775 opticon_write 4 60775 NULL
123478 +acl_alloc_num_60778 acl_alloc_num 1-2 60778 NULL
123479 +snd_pcm_oss_readv3_60792 snd_pcm_oss_readv3 3 60792 NULL
123480 +nvif_object_init_60848 nvif_object_init 6 60848 NULL
123481 +pwr_tx_with_ps_read_60851 pwr_tx_with_ps_read 3 60851 NULL
123482 +alloc_buf_60864 alloc_buf 3-2 60864 NULL
123483 +generic_writepages_60871 generic_writepages 0 60871 NULL
123484 +ext4_update_inline_data_60888 ext4_update_inline_data 3 60888 NULL
123485 +iio_debugfs_read_reg_60908 iio_debugfs_read_reg 3 60908 NULL
123486 +libcfs_sock_ioctl_60915 libcfs_sock_ioctl 0 60915 NULL
123487 +mgt_set_varlen_60916 mgt_set_varlen 4 60916 NULL
123488 +submit_extent_page_60928 submit_extent_page 5 60928 NULL
123489 +pti_char_write_60960 pti_char_write 3 60960 NULL
123490 +mwifiex_alloc_sdio_mpa_buffers_60961 mwifiex_alloc_sdio_mpa_buffers 2-3 60961 NULL
123491 +__a2mp_build_60987 __a2mp_build 3 60987 NULL
123492 +hsc_msg_alloc_60990 hsc_msg_alloc 1 60990 NULL
123493 +generic_file_direct_write_60995 generic_file_direct_write 0 60995 NULL
123494 +ath6kl_lrssi_roam_read_61022 ath6kl_lrssi_roam_read 3 61022 NULL
123495 +graph_depth_write_61024 graph_depth_write 3 61024 NULL
123496 +sdhci_pltfm_register_61031 sdhci_pltfm_register 3 61031 NULL
123497 +read_file_ackto_61037 read_file_ackto 3 61037 NULL
123498 +lpfc_idiag_queacc_write_61043 lpfc_idiag_queacc_write 3 61043 NULL
123499 +symtab_init_61050 symtab_init 2 61050 NULL
123500 +fuse_send_write_61053 fuse_send_write 0-4 61053 NULL
123501 +bitmap_scnlistprintf_61062 bitmap_scnlistprintf 0-2 61062 NULL
123502 +ahash_align_buffer_size_61070 ahash_align_buffer_size 0-1-2 61070 NULL
123503 +get_derived_key_61100 get_derived_key 4 61100 NULL
123504 +i40e_calculate_l2fpm_size_61104 i40e_calculate_l2fpm_size 0-4-3-2-1 61104 NULL
123505 +alloc_chrdev_region_61112 alloc_chrdev_region 0 61112 NULL
123506 +__probe_kernel_read_61119 __probe_kernel_read 3 61119 NULL
123507 +vmemmap_alloc_block_buf_61126 vmemmap_alloc_block_buf 1 61126 NULL
123508 +afs_proc_cells_write_61139 afs_proc_cells_write 3 61139 NULL
123509 +pair_device_61175 pair_device 4 61175 NULL nohasharray
123510 +event_oom_late_read_61175 event_oom_late_read 3 61175 &pair_device_61175
123511 +dio_bio_add_page_61178 dio_bio_add_page 0 61178 NULL
123512 +SyS_prctl_61202 SyS_prctl 4 61202 NULL
123513 +srp_create_fr_pool_61207 srp_create_fr_pool 3 61207 NULL
123514 +arch_hibernation_header_save_61212 arch_hibernation_header_save 0 61212 NULL
123515 +smk_read_ambient_61220 smk_read_ambient 3 61220 NULL
123516 +v9fs_mmap_file_read_61262 v9fs_mmap_file_read 3 61262 NULL
123517 +kvm_age_hva_61267 kvm_age_hva 2-3 61267 NULL
123518 +find_get_pages_tag_61270 find_get_pages_tag 0 61270 NULL nohasharray
123519 +btrfs_bio_alloc_61270 btrfs_bio_alloc 3 61270 &find_get_pages_tag_61270 nohasharray
123520 +ifalias_store_61270 ifalias_store 4 61270 &btrfs_bio_alloc_61270
123521 +hfsplus_getxattr_finder_info_61283 hfsplus_getxattr_finder_info 0 61283 NULL nohasharray
123522 +vortex_adbdma_getlinearpos_61283 vortex_adbdma_getlinearpos 0 61283 &hfsplus_getxattr_finder_info_61283
123523 +nvme_trans_copy_to_user_61288 nvme_trans_copy_to_user 3 61288 NULL
123524 +xfer_from_user_61307 xfer_from_user 3 61307 NULL
123525 +xfrm_user_sec_ctx_size_61320 xfrm_user_sec_ctx_size 0 61320 NULL
123526 +C_SYSC_msgsnd_61330 C_SYSC_msgsnd 3 61330 NULL
123527 +write_file_spectral_short_repeat_61335 write_file_spectral_short_repeat 3 61335 NULL
123528 +st5481_setup_isocpipes_61340 st5481_setup_isocpipes 6-4 61340 NULL
123529 +rx_rx_wa_ba_not_expected_read_61341 rx_rx_wa_ba_not_expected_read 3 61341 NULL
123530 +__dm_get_reserved_ios_61342 __dm_get_reserved_ios 0-3-2 61342 NULL
123531 +f1x_map_sysaddr_to_csrow_61344 f1x_map_sysaddr_to_csrow 2 61344 NULL
123532 +wil_write_file_recovery_61354 wil_write_file_recovery 3 61354 NULL
123533 +debug_debug4_read_61367 debug_debug4_read 3 61367 NULL
123534 +system_enable_write_61396 system_enable_write 3 61396 NULL
123535 +xfs_zero_remaining_bytes_61423 xfs_zero_remaining_bytes 3 61423 NULL
123536 +unix_stream_sendmsg_61455 unix_stream_sendmsg 4 61455 NULL
123537 +snd_pcm_lib_writev_transfer_61483 snd_pcm_lib_writev_transfer 5-4-2 61483 NULL
123538 +btrfs_item_size_61485 btrfs_item_size 0 61485 NULL
123539 +erst_errno_61526 erst_errno 0 61526 NULL
123540 +proc_write_device_61541 proc_write_device 3 61541 NULL
123541 +compat_SyS_select_61542 compat_SyS_select 1 61542 NULL
123542 +trace_options_core_write_61551 trace_options_core_write 3 61551 NULL
123543 +dvb_net_ioctl_61559 dvb_net_ioctl 2 61559 NULL
123544 +parport_pc_fifo_write_block_dma_61568 parport_pc_fifo_write_block_dma 3 61568 NULL
123545 +fan_proc_write_61569 fan_proc_write 3 61569 NULL
123546 +ieee80211_if_read_rc_rateidx_mask_2ghz_61570 ieee80211_if_read_rc_rateidx_mask_2ghz 3 61570 NULL
123547 +ldlm_pool_rw_atomic_seq_write_61572 ldlm_pool_rw_atomic_seq_write 3 61572 NULL
123548 +seq_open_private_61589 seq_open_private 3 61589 NULL
123549 +ept_gpte_to_gfn_lvl_61591 ept_gpte_to_gfn_lvl 0-1-2 61591 NULL
123550 +netlink_recvmsg_61600 netlink_recvmsg 4 61600 NULL
123551 +nfs4_init_uniform_client_string_61601 nfs4_init_uniform_client_string 3 61601 NULL
123552 +configfs_write_file_61621 configfs_write_file 3 61621 NULL
123553 +ieee80211_if_fmt_hw_queues_61629 ieee80211_if_fmt_hw_queues 3 61629 NULL
123554 +i2o_parm_table_get_61635 i2o_parm_table_get 6 61635 NULL
123555 +snd_pcm_oss_read3_61643 snd_pcm_oss_read3 0-3 61643 NULL nohasharray
123556 +tcf_hashinfo_init_61643 tcf_hashinfo_init 2 61643 &snd_pcm_oss_read3_61643
123557 +resize_stripes_61650 resize_stripes 2 61650 NULL
123558 +ttm_page_pool_free_61661 ttm_page_pool_free 2-0 61661 NULL
123559 +insert_one_name_61668 insert_one_name 7 61668 NULL
123560 +qib_format_hwmsg_61679 qib_format_hwmsg 2 61679 NULL
123561 +lock_loop_61681 lock_loop 1 61681 NULL
123562 +__do_tune_cpucache_61684 __do_tune_cpucache 2 61684 NULL
123563 +filter_read_61692 filter_read 3 61692 NULL
123564 +SyS_kexec_file_load_61715 SyS_kexec_file_load 3 61715 NULL
123565 +iov_length_61716 iov_length 0 61716 NULL
123566 +fragmentation_threshold_read_61718 fragmentation_threshold_read 3 61718 NULL
123567 +null_alloc_reqbuf_61719 null_alloc_reqbuf 3 61719 NULL
123568 +read_file_interrupt_61742 read_file_interrupt 3 61742 NULL nohasharray
123569 +read_file_regval_61742 read_file_regval 3 61742 &read_file_interrupt_61742
123570 +SyS_sendto_61763 SyS_sendto 6 61763 NULL
123571 +mls_compute_context_len_61812 mls_compute_context_len 0 61812 NULL
123572 +bfad_debugfs_write_regwr_61841 bfad_debugfs_write_regwr 3 61841 NULL
123573 +regcache_sync_block_61846 regcache_sync_block 5-4 61846 NULL
123574 +ath9k_hw_def_dump_eeprom_61853 ath9k_hw_def_dump_eeprom 5-4 61853 NULL
123575 +__skb_flow_dissect_61855 __skb_flow_dissect 5 61855 NULL
123576 +evdev_compute_buffer_size_61863 evdev_compute_buffer_size 0 61863 NULL
123577 +SYSC_lsetxattr_61869 SYSC_lsetxattr 4 61869 NULL
123578 +get_fw_name_61874 get_fw_name 3 61874 NULL
123579 +btrfs_ioctl_clone_61886 btrfs_ioctl_clone 3-4-5 61886 NULL
123580 +lprocfs_write_frac_u64_helper_61897 lprocfs_write_frac_u64_helper 2 61897 NULL
123581 +clear_refs_write_61904 clear_refs_write 3 61904 NULL
123582 +kernfs_name_61910 kernfs_name 3 61910 NULL
123583 +rx_filter_arp_filter_read_61914 rx_filter_arp_filter_read 3 61914 NULL
123584 +au0828_init_isoc_61917 au0828_init_isoc 3-2-4 61917 NULL
123585 +sctp_sendmsg_61919 sctp_sendmsg 4 61919 NULL
123586 +efi_get_runtime_map_size_61927 efi_get_runtime_map_size 0 61927 NULL
123587 +SyS_kexec_load_61946 SyS_kexec_load 2 61946 NULL
123588 +il4965_ucode_rx_stats_read_61948 il4965_ucode_rx_stats_read 3 61948 NULL
123589 +squashfs_read_id_index_table_61961 squashfs_read_id_index_table 4 61961 NULL
123590 +fix_read_error_61965 fix_read_error 4 61965 NULL
123591 +ocfs2_quota_write_61972 ocfs2_quota_write 4-5 61972 NULL
123592 +fd_locked_ioctl_61978 fd_locked_ioctl 3 61978 NULL
123593 +cow_file_range_61979 cow_file_range 3 61979 NULL
123594 +dequeue_event_62000 dequeue_event 3 62000 NULL
123595 +xt_compat_match_offset_62011 xt_compat_match_offset 0 62011 NULL
123596 +SyS_setxattr_62019 SyS_setxattr 4 62019 NULL
123597 +jffs2_do_unlink_62020 jffs2_do_unlink 4 62020 NULL
123598 +SYSC_select_62024 SYSC_select 1 62024 NULL
123599 +comedi_write_array_to_buffer_62032 comedi_write_array_to_buffer 3 62032 NULL
123600 +pmcraid_build_passthrough_ioadls_62034 pmcraid_build_passthrough_ioadls 2 62034 NULL
123601 +sctp_user_addto_chunk_62047 sctp_user_addto_chunk 2-3 62047 NULL
123602 +do_pselect_62061 do_pselect 1 62061 NULL
123603 +pcpu_alloc_bootmem_62074 pcpu_alloc_bootmem 2 62074 NULL
123604 +jffs2_security_setxattr_62107 jffs2_security_setxattr 4 62107 NULL
123605 +ip_recv_error_62117 ip_recv_error 3 62117 NULL
123606 +generic_block_fiemap_62122 generic_block_fiemap 4 62122 NULL
123607 +llc_ui_header_len_62131 llc_ui_header_len 0 62131 NULL
123608 +qib_diag_write_62133 qib_diag_write 3 62133 NULL nohasharray
123609 +kobject_add_varg_62133 kobject_add_varg 0 62133 &qib_diag_write_62133
123610 +ql_status_62135 ql_status 5 62135 NULL nohasharray
123611 +device_add_attrs_62135 device_add_attrs 0 62135 &ql_status_62135
123612 +video_usercopy_62151 video_usercopy 2 62151 NULL
123613 +SyS_getxattr_62166 SyS_getxattr 4 62166 NULL
123614 +prism54_wpa_bss_ie_get_62173 prism54_wpa_bss_ie_get 0 62173 NULL
123615 +write_file_dfs_62180 write_file_dfs 3 62180 NULL
123616 +alloc_upcall_62186 alloc_upcall 2 62186 NULL
123617 +rounded_hashtable_size_62198 rounded_hashtable_size 0 62198 NULL
123618 +sock_kmalloc_62205 sock_kmalloc 2 62205 NULL
123619 +smk_read_syslog_62227 smk_read_syslog 3 62227 NULL
123620 +SYSC_setgroups16_62232 SYSC_setgroups16 1 62232 NULL
123621 +ion_handle_test_dma_62262 ion_handle_test_dma 4-5 62262 NULL
123622 +get_random_int_62279 get_random_int 0 62279 NULL
123623 +il_dbgfs_sram_read_62296 il_dbgfs_sram_read 3 62296 NULL
123624 +sparse_early_usemaps_alloc_pgdat_section_62304 sparse_early_usemaps_alloc_pgdat_section 2 62304 NULL
123625 +subsystem_filter_read_62310 subsystem_filter_read 3 62310 NULL
123626 +Wb35Reg_BurstWrite_62327 Wb35Reg_BurstWrite 4 62327 NULL
123627 +subseq_list_62332 subseq_list 3-0 62332 NULL
123628 +ll_statahead_max_seq_write_62333 ll_statahead_max_seq_write 3 62333 NULL
123629 +flash_write_62354 flash_write 3 62354 NULL
123630 +xfpregs_set_62363 xfpregs_set 4 62363 NULL
123631 +rx_rx_timeout_read_62389 rx_rx_timeout_read 3 62389 NULL
123632 +altera_irscan_62396 altera_irscan 2 62396 NULL
123633 +set_ssp_62411 set_ssp 4 62411 NULL
123634 +tracing_saved_cmdlines_size_read_62491 tracing_saved_cmdlines_size_read 3 62491 NULL
123635 +srpc_alloc_bulk_62522 srpc_alloc_bulk 2 62522 NULL
123636 +pep_sendmsg_62524 pep_sendmsg 4 62524 NULL
123637 +test_iso_queue_62534 test_iso_queue 5 62534 NULL
123638 +debugfs_read_62535 debugfs_read 3 62535 NULL
123639 +sco_sock_sendmsg_62542 sco_sock_sendmsg 4 62542 NULL
123640 +qib_refresh_qsfp_cache_62547 qib_refresh_qsfp_cache 0 62547 NULL
123641 +xfrm_user_policy_62573 xfrm_user_policy 4 62573 NULL
123642 +compat_SyS_rt_sigpending_62580 compat_SyS_rt_sigpending 2 62580 NULL
123643 +get_subdir_62581 get_subdir 3 62581 NULL
123644 +dut_mode_write_62630 dut_mode_write 3 62630 NULL
123645 +vfs_fsync_range_62635 vfs_fsync_range 0 62635 NULL
123646 +lpfc_sli4_queue_alloc_62646 lpfc_sli4_queue_alloc 3 62646 NULL
123647 +printer_req_alloc_62687 printer_req_alloc 2 62687 NULL
123648 +ieee80211_set_probe_resp_62700 ieee80211_set_probe_resp 3 62700 NULL
123649 +bioset_integrity_create_62708 bioset_integrity_create 2 62708 NULL
123650 +gfs2_log_write_62717 gfs2_log_write 3 62717 NULL
123651 +rdm_62719 rdm 0 62719 NULL
123652 +obd_ioctl_popdata_62741 obd_ioctl_popdata 3 62741 NULL
123653 +key_replays_read_62746 key_replays_read 3 62746 NULL
123654 +lov_verify_lmm_62747 lov_verify_lmm 2 62747 NULL
123655 +mwifiex_rdeeprom_write_62754 mwifiex_rdeeprom_write 3 62754 NULL
123656 +mxt_obj_instances_62764 mxt_obj_instances 0 62764 NULL
123657 +copy_page_to_iter_iovec_62770 copy_page_to_iter_iovec 0-3 62770 NULL nohasharray
123658 +ax25_sendmsg_62770 ax25_sendmsg 4 62770 &copy_page_to_iter_iovec_62770
123659 +C_SYSC_ipc_62776 C_SYSC_ipc 3 62776 NULL
123660 +ptlrpc_req_set_repsize_62784 ptlrpc_req_set_repsize 2 62784 NULL
123661 +SyS_sched_getaffinity_62786 SyS_sched_getaffinity 2 62786 NULL
123662 +dm_stats_account_io_62787 dm_stats_account_io 3 62787 NULL
123663 +__add_action_62798 __add_action 4 62798 NULL
123664 +tracing_total_entries_read_62817 tracing_total_entries_read 3 62817 NULL
123665 +__rounddown_pow_of_two_62836 __rounddown_pow_of_two 0 62836 NULL
123666 +bio_get_nr_vecs_62838 bio_get_nr_vecs 0 62838 NULL
123667 +xlog_recover_add_to_trans_62839 xlog_recover_add_to_trans 4 62839 NULL
123668 +rx_fcs_err_read_62844 rx_fcs_err_read 3 62844 NULL
123669 +l2tp_ip6_recvmsg_62874 l2tp_ip6_recvmsg 4 62874 NULL
123670 +aoechr_write_62883 aoechr_write 3 62883 NULL
123671 +if_spi_host_to_card_62890 if_spi_host_to_card 4 62890 NULL
123672 +mempool_create_slab_pool_62907 mempool_create_slab_pool 1 62907 NULL
123673 +getdqbuf_62908 getdqbuf 1 62908 NULL
123674 +ll_statahead_agl_seq_write_62928 ll_statahead_agl_seq_write 3 62928 NULL
123675 +agp_create_user_memory_62955 agp_create_user_memory 1 62955 NULL
123676 +nvif_object_mthd_62960 nvif_object_mthd 4 62960 NULL
123677 +hwdep_read_62992 hwdep_read 3 62992 NULL
123678 +kstrtoull_from_user_63026 kstrtoull_from_user 2 63026 NULL
123679 +__vb2_perform_fileio_63033 __vb2_perform_fileio 3 63033 NULL
123680 +pipeline_defrag_to_csum_swi_read_63037 pipeline_defrag_to_csum_swi_read 3 63037 NULL
123681 +scsi_host_alloc_63041 scsi_host_alloc 2 63041 NULL
123682 +unlink1_63059 unlink1 3 63059 NULL
123683 +xen_set_nslabs_63066 xen_set_nslabs 0 63066 NULL
123684 +iwl_dbgfs_fw_rx_stats_read_63070 iwl_dbgfs_fw_rx_stats_read 3 63070 NULL
123685 +sep_prepare_input_output_dma_table_in_dcb_63087 sep_prepare_input_output_dma_table_in_dcb 4-5 63087 NULL
123686 +iwl_dbgfs_sensitivity_read_63116 iwl_dbgfs_sensitivity_read 3 63116 NULL
123687 +ext4_chunk_trans_blocks_63123 ext4_chunk_trans_blocks 0-2 63123 NULL
123688 +iwl_mvm_coex_dump_mbox_63153 iwl_mvm_coex_dump_mbox 4-3-0 63153 NULL
123689 +smk_write_revoke_subj_63173 smk_write_revoke_subj 3 63173 NULL
123690 +SyS_syslog_63178 SyS_syslog 3 63178 NULL
123691 +vme_master_read_63221 vme_master_read 0 63221 NULL
123692 +SyS_gethostname_63227 SyS_gethostname 2 63227 NULL
123693 +ptp_read_63251 ptp_read 4 63251 NULL
123694 +xfs_dir2_leaf_getdents_63262 xfs_dir2_leaf_getdents 3 63262 NULL
123695 +iwl_dbgfs_fw_error_dump_read_63263 iwl_dbgfs_fw_error_dump_read 3 63263 NULL
123696 +raid5_resize_63306 raid5_resize 2 63306 NULL
123697 +nfsd_vfs_read_63307 nfsd_vfs_read 5 63307 NULL
123698 +ath10k_read_fw_dbglog_63323 ath10k_read_fw_dbglog 3 63323 NULL
123699 +proc_info_read_63344 proc_info_read 3 63344 NULL
123700 +nvif_device_new_63358 nvif_device_new 5 63358 NULL
123701 +ps_upsd_max_sptime_read_63362 ps_upsd_max_sptime_read 3 63362 NULL
123702 +idmouse_read_63374 idmouse_read 3 63374 NULL
123703 +edac_pci_alloc_ctl_info_63388 edac_pci_alloc_ctl_info 1 63388 NULL nohasharray
123704 +usbnet_read_cmd_nopm_63388 usbnet_read_cmd_nopm 7 63388 &edac_pci_alloc_ctl_info_63388
123705 +rxpipe_missed_beacon_host_int_trig_rx_data_read_63405 rxpipe_missed_beacon_host_int_trig_rx_data_read 3 63405 NULL
123706 +l2cap_sock_sendmsg_63427 l2cap_sock_sendmsg 4 63427 NULL
123707 +nfsd_symlink_63442 nfsd_symlink 6 63442 NULL
123708 +si5351_bulk_write_63468 si5351_bulk_write 2-3 63468 NULL
123709 +snd_info_entry_write_63474 snd_info_entry_write 3 63474 NULL
123710 +reada_find_extent_63486 reada_find_extent 2 63486 NULL
123711 +read_kcore_63488 read_kcore 3 63488 NULL
123712 +iwl_dbgfs_bcast_filters_read_63489 iwl_dbgfs_bcast_filters_read 3 63489 NULL
123713 +snd_pcm_plug_write_transfer_63503 snd_pcm_plug_write_transfer 0-3 63503 NULL
123714 +efx_mcdi_rpc_async_63529 efx_mcdi_rpc_async 4-5 63529 NULL
123715 +ubi_more_leb_change_data_63534 ubi_more_leb_change_data 4 63534 NULL
123716 +write_file_spectral_period_63536 write_file_spectral_period 3 63536 NULL
123717 +if_sdio_read_scratch_63540 if_sdio_read_scratch 0 63540 NULL
123718 +append_to_buffer_63550 append_to_buffer 3 63550 NULL
123719 +kvm_write_guest_page_63555 kvm_write_guest_page 5 63555 NULL
123720 +rproc_alloc_63577 rproc_alloc 5 63577 NULL
123721 +write_debug_level_63613 write_debug_level 3 63613 NULL
123722 +__spi_validate_63618 __spi_validate 0 63618 NULL
123723 +symbol_build_supp_rates_63634 symbol_build_supp_rates 0 63634 NULL
123724 +hid_report_len_63637 hid_report_len 0 63637 NULL
123725 +proc_loginuid_write_63648 proc_loginuid_write 3 63648 NULL
123726 +ValidateDSDParamsChecksum_63654 ValidateDSDParamsChecksum 3 63654 NULL
123727 +ldlm_cli_enqueue_63657 ldlm_cli_enqueue 8 63657 NULL
123728 +hidraw_ioctl_63658 hidraw_ioctl 2 63658 NULL
123729 +vbi_read_63673 vbi_read 3 63673 NULL
123730 +write_file_spectral_fft_period_63696 write_file_spectral_fft_period 3 63696 NULL
123731 +nouveau_object_create__63715 nouveau_object_create_ 5 63715 NULL
123732 +btrfs_insert_delayed_dir_index_63720 btrfs_insert_delayed_dir_index 4 63720 NULL
123733 +ntb_debugfs_read_63728 ntb_debugfs_read 3 63728 NULL
123734 +selinux_secctx_to_secid_63744 selinux_secctx_to_secid 2 63744 NULL
123735 +snd_pcm_oss_read1_63771 snd_pcm_oss_read1 3 63771 NULL
123736 +snd_opl4_mem_proc_read_63774 snd_opl4_mem_proc_read 5 63774 NULL
123737 +spidev_compat_ioctl_63778 spidev_compat_ioctl 2 63778 NULL
123738 +mwifiex_11n_create_rx_reorder_tbl_63806 mwifiex_11n_create_rx_reorder_tbl 4 63806 NULL
123739 +copy_nodes_to_user_63807 copy_nodes_to_user 2 63807 NULL
123740 +C_SYSC_process_vm_readv_63811 C_SYSC_process_vm_readv 3-5 63811 NULL
123741 +regmap_multi_reg_write_63826 regmap_multi_reg_write 3 63826 NULL nohasharray
123742 +prepare_copy_63826 prepare_copy 2 63826 &regmap_multi_reg_write_63826
123743 +sel_write_load_63830 sel_write_load 3 63830 NULL
123744 +proc_pid_attr_write_63845 proc_pid_attr_write 3 63845 NULL
123745 +nv10_gpio_intr_mask_63862 nv10_gpio_intr_mask 4-3 63862 NULL
123746 +xhci_alloc_stream_info_63902 xhci_alloc_stream_info 3 63902 NULL
123747 +uvc_alloc_urb_buffers_63922 uvc_alloc_urb_buffers 0-2-3 63922 NULL
123748 +snd_compr_write_63923 snd_compr_write 3 63923 NULL
123749 +afs_send_simple_reply_63940 afs_send_simple_reply 3 63940 NULL
123750 +__team_options_register_63941 __team_options_register 3 63941 NULL
123751 +macvtap_recvmsg_63949 macvtap_recvmsg 4 63949 NULL
123752 +set_bredr_63975 set_bredr 4 63975 NULL
123753 +construct_key_and_link_63985 construct_key_and_link 3 63985 NULL
123754 +rs_extent_to_bm_page_63996 rs_extent_to_bm_page 0-1 63996 NULL
123755 +read_file_frameerrors_64001 read_file_frameerrors 3 64001 NULL
123756 +SyS_rt_sigpending_64018 SyS_rt_sigpending 2 64018 NULL
123757 +dbAllocDmapLev_64030 dbAllocDmapLev 0 64030 NULL
123758 +SyS_fsetxattr_64039 SyS_fsetxattr 4 64039 NULL
123759 +nl80211_send_rx_assoc_64040 nl80211_send_rx_assoc 4 64040 NULL
123760 +__sock_create_64069 __sock_create 0 64069 NULL
123761 +get_u8_64076 get_u8 0 64076 NULL
123762 +xilly_malloc_64077 xilly_malloc 2 64077 NULL
123763 +sl_realloc_bufs_64086 sl_realloc_bufs 2 64086 NULL
123764 +vmci_handle_arr_get_size_64088 vmci_handle_arr_get_size 0 64088 NULL
123765 +lbs_highrssi_read_64089 lbs_highrssi_read 3 64089 NULL
123766 +SyS_set_mempolicy_64096 SyS_set_mempolicy 3 64096 NULL
123767 +to_bytes_64103 to_bytes 0-1 64103 NULL
123768 +SyS_mq_timedsend_64107 SyS_mq_timedsend 3 64107 NULL
123769 +rdma_addr_size_64116 rdma_addr_size 0 64116 NULL
123770 +do_load_xattr_datum_64118 do_load_xattr_datum 0 64118 NULL
123771 +bypass_wd_write_64120 bypass_wd_write 3 64120 NULL
123772 +ext4_prepare_inline_data_64124 ext4_prepare_inline_data 3 64124 NULL
123773 +init_bch_64130 init_bch 1-2 64130 NULL
123774 +ablkcipher_copy_iv_64140 ablkcipher_copy_iv 3 64140 NULL
123775 +dlfb_ops_write_64150 dlfb_ops_write 3 64150 NULL
123776 +number_of_tds_64156 number_of_tds 0 64156 NULL
123777 +bnx2x_vf_mcast_64166 bnx2x_vf_mcast 4 64166 NULL
123778 +cpumask_scnprintf_64170 cpumask_scnprintf 0-2 64170 NULL
123779 +kernfs_iop_setxattr_64220 kernfs_iop_setxattr 4 64220 NULL
123780 +read_pulse_64227 read_pulse 0-3 64227 NULL
123781 +ea_len_64229 ea_len 0 64229 NULL
123782 +io_capture_transfer_64276 io_capture_transfer 4 64276 NULL
123783 +btrfs_file_extent_offset_64278 btrfs_file_extent_offset 0 64278 NULL nohasharray
123784 +bpf_check_classic_64278 bpf_check_classic 2 64278 &btrfs_file_extent_offset_64278
123785 +sta_current_tx_rate_read_64286 sta_current_tx_rate_read 3 64286 NULL
123786 +xfs_dir_cilookup_result_64288 xfs_dir_cilookup_result 3 64288 NULL nohasharray
123787 +event_id_read_64288 event_id_read 3 64288 &xfs_dir_cilookup_result_64288
123788 +info_debugfs_read_64291 info_debugfs_read 3 64291 NULL
123789 +ocfs2_block_check_validate_bhs_64302 ocfs2_block_check_validate_bhs 0 64302 NULL
123790 +snd_hda_get_sub_nodes_64304 snd_hda_get_sub_nodes 0 64304 NULL
123791 +error_error_bar_retry_read_64305 error_error_bar_retry_read 3 64305 NULL
123792 +sisusbcon_clear_64329 sisusbcon_clear 4-3-5 64329 NULL
123793 +ts_write_64336 ts_write 3 64336 NULL
123794 +usbtmc_write_64340 usbtmc_write 3 64340 NULL
123795 +qlcnic_82xx_calculate_msix_vector_64354 qlcnic_82xx_calculate_msix_vector 0 64354 NULL
123796 +user_regset_copyin_64360 user_regset_copyin 7 64360 NULL
123797 +wlc_phy_loadsampletable_nphy_64367 wlc_phy_loadsampletable_nphy 3 64367 NULL
123798 +reg_create_64372 reg_create 5 64372 NULL nohasharray
123799 +bnx2_enable_msix_64372 bnx2_enable_msix 2 64372 &reg_create_64372
123800 +ilo_write_64378 ilo_write 3 64378 NULL
123801 +btrfs_map_block_64379 btrfs_map_block 3 64379 NULL
123802 +vmcs_readl_64381 vmcs_readl 0 64381 NULL
123803 +nilfs_alloc_seg_bio_64383 nilfs_alloc_seg_bio 3 64383 NULL
123804 +ir_lirc_transmit_ir_64403 ir_lirc_transmit_ir 3 64403 NULL
123805 +pidlist_allocate_64404 pidlist_allocate 1 64404 NULL
123806 +rx_hdr_overflow_read_64407 rx_hdr_overflow_read 3 64407 NULL
123807 +keyctl_get_security_64418 keyctl_get_security 3 64418 NULL
123808 +oom_adj_write_64428 oom_adj_write 3 64428 NULL
123809 +read_file_spectral_short_repeat_64431 read_file_spectral_short_repeat 3 64431 NULL
123810 +ax25_recvmsg_64441 ax25_recvmsg 4 64441 NULL
123811 +single_open_size_64483 single_open_size 4 64483 NULL
123812 +p54_parse_rssical_64493 p54_parse_rssical 3 64493 NULL
123813 +msg_data_sz_64503 msg_data_sz 0 64503 NULL
123814 +remove_uuid_64505 remove_uuid 4 64505 NULL
123815 +opera1_usb_i2c_msgxfer_64521 opera1_usb_i2c_msgxfer 4 64521 NULL
123816 +iwl_dbgfs_ucode_tracing_write_64524 iwl_dbgfs_ucode_tracing_write 3 64524 NULL
123817 +ses_send_diag_64527 ses_send_diag 4 64527 NULL
123818 +prctl_set_mm_64538 prctl_set_mm 3 64538 NULL
123819 +SyS_bind_64544 SyS_bind 3 64544 NULL
123820 +rbd_obj_read_sync_64554 rbd_obj_read_sync 3-4 64554 NULL
123821 +__btrfs_prealloc_file_range_64557 __btrfs_prealloc_file_range 3 64557 NULL
123822 +ll_max_rw_chunk_seq_write_64561 ll_max_rw_chunk_seq_write 3 64561 NULL nohasharray
123823 +__spi_sync_64561 __spi_sync 0 64561 &ll_max_rw_chunk_seq_write_64561
123824 +__apei_exec_run_64563 __apei_exec_run 0 64563 NULL
123825 +kstrtoul_from_user_64569 kstrtoul_from_user 2 64569 NULL
123826 +do_erase_64574 do_erase 4 64574 NULL
123827 +fanotify_write_64623 fanotify_write 3 64623 NULL
123828 +_iwl_dbgfs_d0i3_refs_write_64642 _iwl_dbgfs_d0i3_refs_write 3 64642 NULL
123829 +regmap_read_debugfs_64658 regmap_read_debugfs 5 64658 NULL
123830 +ocfs2_read_xattr_block_64661 ocfs2_read_xattr_block 0 64661 NULL nohasharray
123831 +tlbflush_read_file_64661 tlbflush_read_file 3 64661 &ocfs2_read_xattr_block_64661
123832 +efx_tsoh_get_buffer_64664 efx_tsoh_get_buffer 3 64664 NULL
123833 +rx_rx_out_of_mpdu_nodes_read_64668 rx_rx_out_of_mpdu_nodes_read 3 64668 NULL
123834 +nr_free_zone_pages_64680 nr_free_zone_pages 0 64680 NULL
123835 +snd_pcm_oss_capture_position_fixup_64713 snd_pcm_oss_capture_position_fixup 0 64713 NULL
123836 +dapm_bias_read_file_64715 dapm_bias_read_file 3 64715 NULL
123837 +atomic_add_return_64720 atomic_add_return 0-1 64720 NULL
123838 +i2400m_msg_to_dev_64722 i2400m_msg_to_dev 3 64722 NULL
123839 +squashfs_read_inode_lookup_table_64739 squashfs_read_inode_lookup_table 4 64739 NULL
123840 +bio_map_kern_64751 bio_map_kern 3 64751 NULL
123841 +rt2x00debug_write_csr_64753 rt2x00debug_write_csr 3 64753 NULL
123842 +hwdep_write_64776 hwdep_write 3 64776 NULL
123843 +message_for_md_64777 message_for_md 5 64777 NULL
123844 +isr_low_rssi_read_64789 isr_low_rssi_read 3 64789 NULL
123845 +regmap_reg_ranges_read_file_64798 regmap_reg_ranges_read_file 3 64798 NULL
123846 +nfsctl_transaction_write_64800 nfsctl_transaction_write 3 64800 NULL
123847 +rfkill_fop_write_64808 rfkill_fop_write 3 64808 NULL nohasharray
123848 +nv_mask_64808 nv_mask 0 64808 &rfkill_fop_write_64808
123849 +proc_projid_map_write_64810 proc_projid_map_write 3 64810 NULL
123850 +megaraid_change_queue_depth_64815 megaraid_change_queue_depth 2 64815 NULL
123851 +ecryptfs_send_miscdev_64816 ecryptfs_send_miscdev 2 64816 NULL
123852 +do_kimage_alloc_64827 do_kimage_alloc 3 64827 NULL
123853 +altera_set_dr_pre_64862 altera_set_dr_pre 2 64862 NULL
123854 +pci_vc_do_save_buffer_64876 pci_vc_do_save_buffer 0 64876 NULL
123855 +lprocfs_write_u64_helper_64880 lprocfs_write_u64_helper 2 64880 NULL
123856 +ieee80211_if_read_ave_beacon_64924 ieee80211_if_read_ave_beacon 3 64924 NULL
123857 +ip_options_get_from_user_64958 ip_options_get_from_user 4 64958 NULL nohasharray
123858 +tipc_port_iovec_reject_64958 tipc_port_iovec_reject 4 64958 &ip_options_get_from_user_64958
123859 +traceprobe_probes_write_64969 traceprobe_probes_write 3 64969 NULL
123860 +suspend_dtim_interval_read_64971 suspend_dtim_interval_read 3 64971 NULL
123861 +crypto_ahash_digestsize_65014 crypto_ahash_digestsize 0 65014 NULL
123862 +insert_dent_65034 insert_dent 7 65034 NULL
123863 +snd_hda_get_pin_label_65035 snd_hda_get_pin_label 5 65035 NULL
123864 +ext4_ind_trans_blocks_65053 ext4_ind_trans_blocks 0-2 65053 NULL
123865 +pcibios_enable_device_65059 pcibios_enable_device 0 65059 NULL
123866 +__alloc_bootmem_node_high_65076 __alloc_bootmem_node_high 2 65076 NULL
123867 +batadv_socket_write_65083 batadv_socket_write 3 65083 NULL
123868 +ocfs2_truncate_cluster_pages_65086 ocfs2_truncate_cluster_pages 2 65086 NULL
123869 +ath9k_dump_mci_btcoex_65090 ath9k_dump_mci_btcoex 0-3 65090 NULL
123870 +usbtest_alloc_urb_65115 usbtest_alloc_urb 3-5 65115 NULL
123871 +rx_rx_done_read_65217 rx_rx_done_read 3 65217 NULL
123872 +nouveau_event_create_65229 nouveau_event_create 2-1 65229 NULL
123873 +print_endpoint_stat_65232 print_endpoint_stat 0-4-3 65232 NULL
123874 +whci_n_caps_65247 whci_n_caps 0 65247 NULL
123875 +kmalloc_parameter_65279 kmalloc_parameter 1 65279 NULL
123876 +compat_core_sys_select_65285 compat_core_sys_select 1 65285 NULL
123877 +mpi_set_buffer_65294 mpi_set_buffer 3 65294 NULL
123878 +fat_direct_IO_65295 fat_direct_IO 4 65295 NULL
123879 +redirected_tty_write_65297 redirected_tty_write 3 65297 NULL
123880 +get_var_len_65304 get_var_len 0 65304 NULL
123881 +unpack_array_65318 unpack_array 0 65318 NULL
123882 +pci_vpd_find_tag_65325 pci_vpd_find_tag 0-2 65325 NULL
123883 +dccp_setsockopt_service_65336 dccp_setsockopt_service 4 65336 NULL
123884 +dma_rx_requested_read_65354 dma_rx_requested_read 3 65354 NULL
123885 +alloc_cpu_rmap_65363 alloc_cpu_rmap 1 65363 NULL
123886 +SyS_writev_65372 SyS_writev 3 65372 NULL
123887 +__alloc_bootmem_nopanic_65397 __alloc_bootmem_nopanic 1 65397 NULL
123888 +trace_seq_to_user_65398 trace_seq_to_user 3 65398 NULL
123889 +__read_vmcore_65402 __read_vmcore 2 65402 NULL
123890 +ocfs2_write_begin_nolock_65410 ocfs2_write_begin_nolock 3-4 65410 NULL
123891 +device_add_groups_65423 device_add_groups 0 65423 NULL
123892 +xpc_kzalloc_cacheline_aligned_65433 xpc_kzalloc_cacheline_aligned 1 65433 NULL
123893 +usb_alloc_coherent_65444 usb_alloc_coherent 2 65444 NULL
123894 +il_dbgfs_wd_timeout_write_65464 il_dbgfs_wd_timeout_write 3 65464 NULL
123895 +clear_user_65470 clear_user 2 65470 NULL
123896 +dpcm_state_read_file_65489 dpcm_state_read_file 3 65489 NULL
123897 +lookup_inline_extent_backref_65493 lookup_inline_extent_backref 9 65493 NULL
123898 +nvme_trans_standard_inquiry_page_65526 nvme_trans_standard_inquiry_page 4 65526 NULL
123899 +tree_mod_log_eb_copy_65535 tree_mod_log_eb_copy 6 65535 NULL
123900 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_hash_aux.data b/tools/gcc/size_overflow_plugin/size_overflow_hash_aux.data
123901 new file mode 100644
123902 index 0000000..560cd7b
123903 --- /dev/null
123904 +++ b/tools/gcc/size_overflow_plugin/size_overflow_hash_aux.data
123905 @@ -0,0 +1,92 @@
123906 +spa_set_aux_vdevs_746 spa_set_aux_vdevs 3 746 NULL
123907 +zfs_lookup_2144 zfs_lookup 0 2144 NULL
123908 +mappedread_2627 mappedread 2 2627 NULL
123909 +vdev_disk_dio_alloc_2957 vdev_disk_dio_alloc 1 2957 NULL
123910 +nv_alloc_pushpage_spl_4286 nv_alloc_pushpage_spl 2 4286 NULL
123911 +zpl_xattr_get_4574 zpl_xattr_get 0 4574 NULL
123912 +sa_replace_all_by_template_5699 sa_replace_all_by_template 3 5699 NULL
123913 +dmu_write_6048 dmu_write 4-3 6048 NULL
123914 +dmu_buf_hold_array_6095 dmu_buf_hold_array 4-3 6095 NULL
123915 +update_pages_6225 update_pages 2-3 6225 NULL
123916 +bio_nr_pages_7117 bio_nr_pages 0-2 7117 NULL
123917 +dmu_buf_hold_array_by_bonus_8562 dmu_buf_hold_array_by_bonus 3-2 8562 NULL
123918 +zpios_dmu_write_8858 zpios_dmu_write 4-5 8858 NULL
123919 +ddi_copyout_9401 ddi_copyout 3 9401 NULL
123920 +avl_numnodes_12384 avl_numnodes 0 12384 NULL
123921 +dmu_write_uio_dnode_12473 dmu_write_uio_dnode 3 12473 NULL
123922 +dmu_xuio_init_12866 dmu_xuio_init 2 12866 NULL
123923 +zpl_read_common_14389 zpl_read_common 0 14389 NULL
123924 +dmu_snapshot_realname_14632 dmu_snapshot_realname 4 14632 NULL
123925 +kmem_alloc_debug_14852 kmem_alloc_debug 1 14852 NULL
123926 +kmalloc_node_nofail_15151 kmalloc_node_nofail 1 15151 NULL
123927 +dmu_write_uio_16351 dmu_write_uio 4 16351 NULL
123928 +zfs_log_write_16524 zfs_log_write 6-5 16524 NULL
123929 +sa_build_layouts_16910 sa_build_layouts 3 16910 NULL
123930 +dsl_dir_namelen_17053 dsl_dir_namelen 0 17053 NULL
123931 +kcopy_copy_to_user_17336 kcopy_copy_to_user 5 17336 NULL
123932 +sa_add_layout_entry_17507 sa_add_layout_entry 3 17507 NULL
123933 +sa_attr_table_setup_18029 sa_attr_table_setup 3 18029 NULL
123934 +uiocopy_18680 uiocopy 2 18680 NULL
123935 +dmu_buf_hold_array_by_dnode_19125 dmu_buf_hold_array_by_dnode 2-3 19125 NULL
123936 +zpl_acl_from_xattr_21141 zpl_acl_from_xattr 2 21141 NULL
123937 +dsl_pool_tx_assign_init_22518 dsl_pool_tx_assign_init 2 22518 NULL
123938 +nvlist_lookup_byte_array_22527 nvlist_lookup_byte_array 0 22527 NULL
123939 +sa_replace_all_by_template_locked_22533 sa_replace_all_by_template_locked 3 22533 NULL
123940 +tsd_hash_table_init_22559 tsd_hash_table_init 1 22559 NULL
123941 +spa_vdev_remove_aux_23966 spa_vdev_remove_aux 4 23966 NULL
123942 +zpl_xattr_acl_set_access_24129 zpl_xattr_acl_set_access 4 24129 NULL
123943 +dmu_assign_arcbuf_24622 dmu_assign_arcbuf 2 24622 NULL
123944 +zap_lookup_norm_25166 zap_lookup_norm 9 25166 NULL
123945 +dmu_prealloc_25456 dmu_prealloc 4-3 25456 NULL
123946 +kmalloc_nofail_26347 kmalloc_nofail 1 26347 NULL
123947 +zfsctl_snapshot_zpath_27578 zfsctl_snapshot_zpath 2 27578 NULL
123948 +zpios_dmu_read_30015 zpios_dmu_read 4-5 30015 NULL
123949 +splat_write_30943 splat_write 3 30943 NULL
123950 +zpl_xattr_get_sa_31183 zpl_xattr_get_sa 0 31183 NULL
123951 +dmu_read_uio_31467 dmu_read_uio 4 31467 NULL
123952 +zfs_replay_fuids_31479 zfs_replay_fuids 4 31479 NULL
123953 +spa_history_log_to_phys_31632 spa_history_log_to_phys 0-1 31632 NULL
123954 +__zpl_xattr_get_32601 __zpl_xattr_get 0 32601 NULL
123955 +proc_copyout_string_34049 proc_copyout_string 2 34049 NULL
123956 +nv_alloc_sleep_spl_34544 nv_alloc_sleep_spl 2 34544 NULL
123957 +nv_alloc_nosleep_spl_34761 nv_alloc_nosleep_spl 2 34761 NULL
123958 +zap_leaf_array_match_36922 zap_leaf_array_match 4 36922 NULL
123959 +copyinstr_36980 copyinstr 3 36980 NULL
123960 +zpl_xattr_acl_set_default_37864 zpl_xattr_acl_set_default 4 37864 NULL
123961 +splat_read_38116 splat_read 3 38116 NULL
123962 +sa_setup_38756 sa_setup 4 38756 NULL
123963 +vdev_disk_physio_39898 vdev_disk_physio 3 39898 NULL
123964 +arc_buf_size_39982 arc_buf_size 0 39982 NULL
123965 +kzalloc_nofail_40719 kzalloc_nofail 1 40719 NULL
123966 +fuidstr_to_sid_40777 fuidstr_to_sid 4 40777 NULL
123967 +vdev_raidz_matrix_reconstruct_40852 vdev_raidz_matrix_reconstruct 2-3 40852 NULL
123968 +sa_find_layout_40892 sa_find_layout 4 40892 NULL
123969 +zpl_xattr_get_dir_41918 zpl_xattr_get_dir 0 41918 NULL
123970 +zfs_sa_get_xattr_42600 zfs_sa_get_xattr 0 42600 NULL
123971 +zpl_xattr_acl_set_42808 zpl_xattr_acl_set 4 42808 NULL
123972 +xdr_dec_array_43091 xdr_dec_array 5 43091 NULL
123973 +dsl_dataset_namelen_43136 dsl_dataset_namelen 0 43136 NULL
123974 +kcopy_write_43683 kcopy_write 3 43683 NULL
123975 +uiomove_44355 uiomove 2 44355 NULL
123976 +dmu_read_44418 dmu_read 4-3 44418 NULL
123977 +ddi_copyin_44846 ddi_copyin 3 44846 NULL
123978 +kcopy_do_get_45061 kcopy_do_get 5 45061 NULL
123979 +copyin_45945 copyin 3 45945 NULL
123980 +zil_itx_create_46555 zil_itx_create 2 46555 NULL
123981 +dmu_write_uio_dbuf_48064 dmu_write_uio_dbuf 3 48064 NULL
123982 +blk_rq_pos_48233 blk_rq_pos 0 48233 NULL
123983 +spa_history_write_49650 spa_history_write 3 49650 NULL
123984 +kcopy_copy_pages_to_user_49823 kcopy_copy_pages_to_user 3-4 49823 NULL
123985 +zfs_log_write_50162 zfs_log_write 6-5 50162 NULL
123986 +i_fm_alloc_51038 i_fm_alloc 2 51038 NULL
123987 +copyout_51409 copyout 3 51409 NULL
123988 +zvol_log_write_54898 zvol_log_write 4-3 54898 NULL
123989 +zfs_acl_node_alloc_55641 zfs_acl_node_alloc 1 55641 NULL
123990 +get_nvlist_56685 get_nvlist 2 56685 NULL
123991 +zprop_get_numprops_56820 zprop_get_numprops 0 56820 NULL
123992 +splat_taskq_test4_common_59829 splat_taskq_test4_common 5 59829 NULL
123993 +zfs_replay_domain_cnt_61399 zfs_replay_domain_cnt 0 61399 NULL
123994 +zpios_write_61823 zpios_write 3 61823 NULL
123995 +proc_copyin_string_62019 proc_copyin_string 4 62019 NULL
123996 +random_get_pseudo_bytes_64611 random_get_pseudo_bytes 2 64611 NULL
123997 +zpios_read_64734 zpios_read 3 64734 NULL
123998 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c
123999 new file mode 100644
124000 index 0000000..95f7abd
124001 --- /dev/null
124002 +++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c
124003 @@ -0,0 +1,259 @@
124004 +/*
124005 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
124006 + * Licensed under the GPL v2, or (at your option) v3
124007 + *
124008 + * Homepage:
124009 + * http://www.grsecurity.net/~ephox/overflow_plugin/
124010 + *
124011 + * Documentation:
124012 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
124013 + *
124014 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
124015 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
124016 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
124017 + *
124018 + * Usage:
124019 + * $ make
124020 + * $ make run
124021 + */
124022 +
124023 +#include "gcc-common.h"
124024 +#include "size_overflow.h"
124025 +
124026 +int plugin_is_GPL_compatible;
124027 +
124028 +tree report_size_overflow_decl;
124029 +
124030 +tree size_overflow_type_HI;
124031 +tree size_overflow_type_SI;
124032 +tree size_overflow_type_DI;
124033 +tree size_overflow_type_TI;
124034 +
124035 +static struct plugin_info size_overflow_plugin_info = {
124036 + .version = "20140725",
124037 + .help = "no-size-overflow\tturn off size overflow checking\n",
124038 +};
124039 +
124040 +static tree handle_size_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs)
124041 +{
124042 + unsigned int arg_count;
124043 + enum tree_code code = TREE_CODE(*node);
124044 +
124045 + switch (code) {
124046 + case FUNCTION_DECL:
124047 + arg_count = type_num_arguments(TREE_TYPE(*node));
124048 + break;
124049 + case FUNCTION_TYPE:
124050 + case METHOD_TYPE:
124051 + arg_count = type_num_arguments(*node);
124052 + break;
124053 + default:
124054 + *no_add_attrs = true;
124055 + error("%s: %qE attribute only applies to functions", __func__, name);
124056 + return NULL_TREE;
124057 + }
124058 +
124059 + for (; args; args = TREE_CHAIN(args)) {
124060 + tree position = TREE_VALUE(args);
124061 + if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_LOW(position) > arg_count ) {
124062 + error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position));
124063 + *no_add_attrs = true;
124064 + }
124065 + }
124066 + return NULL_TREE;
124067 +}
124068 +
124069 +static tree handle_intentional_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs)
124070 +{
124071 + unsigned int arg_count;
124072 + enum tree_code code = TREE_CODE(*node);
124073 +
124074 + switch (code) {
124075 + case FUNCTION_DECL:
124076 + arg_count = type_num_arguments(TREE_TYPE(*node));
124077 + break;
124078 + case FUNCTION_TYPE:
124079 + case METHOD_TYPE:
124080 + arg_count = type_num_arguments(*node);
124081 + break;
124082 + case FIELD_DECL:
124083 + return NULL_TREE;
124084 + default:
124085 + *no_add_attrs = true;
124086 + error("%qE attribute only applies to functions", name);
124087 + return NULL_TREE;
124088 + }
124089 +
124090 + if (TREE_INT_CST_HIGH(TREE_VALUE(args)) != 0)
124091 + return NULL_TREE;
124092 +
124093 + for (; args; args = TREE_CHAIN(args)) {
124094 + tree position = TREE_VALUE(args);
124095 + if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_LOW(position) > arg_count ) {
124096 + error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position));
124097 + *no_add_attrs = true;
124098 + }
124099 + }
124100 + return NULL_TREE;
124101 +}
124102 +
124103 +static struct attribute_spec size_overflow_attr = {
124104 + .name = "size_overflow",
124105 + .min_length = 1,
124106 + .max_length = -1,
124107 + .decl_required = true,
124108 + .type_required = false,
124109 + .function_type_required = false,
124110 + .handler = handle_size_overflow_attribute,
124111 +#if BUILDING_GCC_VERSION >= 4007
124112 + .affects_type_identity = false
124113 +#endif
124114 +};
124115 +
124116 +static struct attribute_spec intentional_overflow_attr = {
124117 + .name = "intentional_overflow",
124118 + .min_length = 1,
124119 + .max_length = -1,
124120 + .decl_required = true,
124121 + .type_required = false,
124122 + .function_type_required = false,
124123 + .handler = handle_intentional_overflow_attribute,
124124 +#if BUILDING_GCC_VERSION >= 4007
124125 + .affects_type_identity = false
124126 +#endif
124127 +};
124128 +
124129 +static void register_attributes(void __unused *event_data, void __unused *data)
124130 +{
124131 + register_attribute(&size_overflow_attr);
124132 + register_attribute(&intentional_overflow_attr);
124133 +}
124134 +
124135 +static tree create_typedef(tree type, const char* ident)
124136 +{
124137 + tree new_type, decl;
124138 +
124139 + new_type = build_variant_type_copy(type);
124140 + decl = build_decl(BUILTINS_LOCATION, TYPE_DECL, get_identifier(ident), new_type);
124141 + DECL_ORIGINAL_TYPE(decl) = type;
124142 + TYPE_NAME(new_type) = decl;
124143 + return new_type;
124144 +}
124145 +
124146 +// Create the noreturn report_size_overflow() function decl.
124147 +static void size_overflow_start_unit(void __unused *gcc_data, void __unused *user_data)
124148 +{
124149 + tree const_char_ptr_type_node;
124150 + tree fntype;
124151 +
124152 + const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0));
124153 +
124154 + size_overflow_type_HI = create_typedef(intHI_type_node, "size_overflow_type_HI");
124155 + size_overflow_type_SI = create_typedef(intSI_type_node, "size_overflow_type_SI");
124156 + size_overflow_type_DI = create_typedef(intDI_type_node, "size_overflow_type_DI");
124157 + size_overflow_type_TI = create_typedef(intTI_type_node, "size_overflow_type_TI");
124158 +
124159 + // void report_size_overflow(const char *loc_file, unsigned int loc_line, const char *current_func, const char *ssa_var)
124160 + fntype = build_function_type_list(void_type_node,
124161 + const_char_ptr_type_node,
124162 + unsigned_type_node,
124163 + const_char_ptr_type_node,
124164 + const_char_ptr_type_node,
124165 + NULL_TREE);
124166 + report_size_overflow_decl = build_fn_decl("report_size_overflow", fntype);
124167 +
124168 + DECL_ASSEMBLER_NAME(report_size_overflow_decl);
124169 + TREE_PUBLIC(report_size_overflow_decl) = 1;
124170 + DECL_EXTERNAL(report_size_overflow_decl) = 1;
124171 + DECL_ARTIFICIAL(report_size_overflow_decl) = 1;
124172 + TREE_THIS_VOLATILE(report_size_overflow_decl) = 1;
124173 +}
124174 +
124175 +
124176 +extern struct gimple_opt_pass pass_dce;
124177 +
124178 +static struct opt_pass *make_dce_pass(void)
124179 +{
124180 +#if BUILDING_GCC_VERSION >= 4009
124181 + return make_pass_dce(g);
124182 +#else
124183 + return &pass_dce.pass;
124184 +#endif
124185 +}
124186 +
124187 +
124188 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
124189 +{
124190 + int i;
124191 + const char * const plugin_name = plugin_info->base_name;
124192 + const int argc = plugin_info->argc;
124193 + const struct plugin_argument * const argv = plugin_info->argv;
124194 + bool enable = true;
124195 + struct register_pass_info insert_size_overflow_asm_pass_info;
124196 + struct register_pass_info __unused dump_before_pass_info;
124197 + struct register_pass_info __unused dump_after_pass_info;
124198 + struct register_pass_info insert_size_overflow_check_info;
124199 + struct register_pass_info dce_pass_info;
124200 + static const struct ggc_root_tab gt_ggc_r_gt_size_overflow[] = {
124201 + {
124202 + .base = &report_size_overflow_decl,
124203 + .nelt = 1,
124204 + .stride = sizeof(report_size_overflow_decl),
124205 + .cb = &gt_ggc_mx_tree_node,
124206 + .pchw = &gt_pch_nx_tree_node
124207 + },
124208 + LAST_GGC_ROOT_TAB
124209 + };
124210 +
124211 + insert_size_overflow_asm_pass_info.pass = make_insert_size_overflow_asm_pass();
124212 + insert_size_overflow_asm_pass_info.reference_pass_name = "ssa";
124213 + insert_size_overflow_asm_pass_info.ref_pass_instance_number = 1;
124214 + insert_size_overflow_asm_pass_info.pos_op = PASS_POS_INSERT_AFTER;
124215 +
124216 + dump_before_pass_info.pass = make_dump_pass();
124217 + dump_before_pass_info.reference_pass_name = "increase_alignment";
124218 + dump_before_pass_info.ref_pass_instance_number = 1;
124219 + dump_before_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
124220 +
124221 + insert_size_overflow_check_info.pass = make_insert_size_overflow_check();
124222 + insert_size_overflow_check_info.reference_pass_name = "increase_alignment";
124223 + insert_size_overflow_check_info.ref_pass_instance_number = 1;
124224 + insert_size_overflow_check_info.pos_op = PASS_POS_INSERT_BEFORE;
124225 +
124226 + dump_after_pass_info.pass = make_dump_pass();
124227 + dump_after_pass_info.reference_pass_name = "increase_alignment";
124228 + dump_after_pass_info.ref_pass_instance_number = 1;
124229 + dump_after_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
124230 +
124231 + dce_pass_info.pass = make_dce_pass();
124232 + dce_pass_info.reference_pass_name = "vrp";
124233 + dce_pass_info.ref_pass_instance_number = 1;
124234 + dce_pass_info.pos_op = PASS_POS_INSERT_AFTER;
124235 +
124236 + if (!plugin_default_version_check(version, &gcc_version)) {
124237 + error(G_("incompatible gcc/plugin versions"));
124238 + return 1;
124239 + }
124240 +
124241 + for (i = 0; i < argc; ++i) {
124242 + if (!strcmp(argv[i].key, "no-size-overflow")) {
124243 + enable = false;
124244 + continue;
124245 + }
124246 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
124247 + }
124248 +
124249 + register_callback(plugin_name, PLUGIN_INFO, NULL, &size_overflow_plugin_info);
124250 + if (enable) {
124251 + register_callback(plugin_name, PLUGIN_START_UNIT, &size_overflow_start_unit, NULL);
124252 + register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_size_overflow);
124253 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &insert_size_overflow_asm_pass_info);
124254 +// register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &dump_before_pass_info);
124255 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &insert_size_overflow_check_info);
124256 +// register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &dump_after_pass_info);
124257 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &dce_pass_info);
124258 + }
124259 + register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
124260 +
124261 + return 0;
124262 +}
124263 diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c
124264 new file mode 100644
124265 index 0000000..0888f6c
124266 --- /dev/null
124267 +++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c
124268 @@ -0,0 +1,364 @@
124269 +/*
124270 + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com>
124271 + * Licensed under the GPL v2, or (at your option) v3
124272 + *
124273 + * Homepage:
124274 + * http://www.grsecurity.net/~ephox/overflow_plugin/
124275 + *
124276 + * Documentation:
124277 + * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043
124278 + *
124279 + * This plugin recomputes expressions of function arguments marked by a size_overflow attribute
124280 + * with double integer precision (DImode/TImode for 32/64 bit integer types).
124281 + * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed.
124282 + *
124283 + * Usage:
124284 + * $ make
124285 + * $ make run
124286 + */
124287 +
124288 +#include "gcc-common.h"
124289 +#include "size_overflow.h"
124290 +
124291 +#include "size_overflow_hash.h"
124292 +#include "size_overflow_hash_aux.h"
124293 +
124294 +#define CODES_LIMIT 32
124295 +
124296 +static unsigned char get_tree_code(const_tree type)
124297 +{
124298 + switch (TREE_CODE(type)) {
124299 + case ARRAY_TYPE:
124300 + return 0;
124301 + case BOOLEAN_TYPE:
124302 + return 1;
124303 + case ENUMERAL_TYPE:
124304 + return 2;
124305 + case FUNCTION_TYPE:
124306 + return 3;
124307 + case INTEGER_TYPE:
124308 + return 4;
124309 + case POINTER_TYPE:
124310 + return 5;
124311 + case RECORD_TYPE:
124312 + return 6;
124313 + case UNION_TYPE:
124314 + return 7;
124315 + case VOID_TYPE:
124316 + return 8;
124317 + case REAL_TYPE:
124318 + return 9;
124319 + case VECTOR_TYPE:
124320 + return 10;
124321 + case REFERENCE_TYPE:
124322 + return 11;
124323 + case OFFSET_TYPE:
124324 + return 12;
124325 + case COMPLEX_TYPE:
124326 + return 13;
124327 + default:
124328 + debug_tree((tree)type);
124329 + gcc_unreachable();
124330 + }
124331 +}
124332 +
124333 +struct function_hash {
124334 + size_t tree_codes_len;
124335 + unsigned char tree_codes[CODES_LIMIT];
124336 + const_tree fndecl;
124337 + unsigned int hash;
124338 +};
124339 +
124340 +// http://www.team5150.com/~andrew/noncryptohashzoo2~/CrapWow.html
124341 +static unsigned int CrapWow(const char *key, unsigned int len, unsigned int seed)
124342 +{
124343 +#define cwfold( a, b, lo, hi ) { p = (unsigned int)(a) * (unsigned long long)(b); lo ^= (unsigned int)p; hi ^= (unsigned int)(p >> 32); }
124344 +#define cwmixa( in ) { cwfold( in, m, k, h ); }
124345 +#define cwmixb( in ) { cwfold( in, n, h, k ); }
124346 +
124347 + unsigned int m = 0x57559429;
124348 + unsigned int n = 0x5052acdb;
124349 + const unsigned int *key4 = (const unsigned int *)key;
124350 + unsigned int h = len;
124351 + unsigned int k = len + seed + n;
124352 + unsigned long long p;
124353 +
124354 + while (len >= 8) {
124355 + cwmixb(key4[0]) cwmixa(key4[1]) key4 += 2;
124356 + len -= 8;
124357 + }
124358 + if (len >= 4) {
124359 + cwmixb(key4[0]) key4 += 1;
124360 + len -= 4;
124361 + }
124362 + if (len)
124363 + cwmixa(key4[0] & ((1 << (len * 8)) - 1 ));
124364 + cwmixb(h ^ (k + n));
124365 + return k ^ h;
124366 +
124367 +#undef cwfold
124368 +#undef cwmixa
124369 +#undef cwmixb
124370 +}
124371 +
124372 +static void set_hash(const char *fn_name, struct function_hash *fn_hash_data)
124373 +{
124374 + unsigned int fn, codes, seed = 0;
124375 +
124376 + fn = CrapWow(fn_name, strlen(fn_name), seed) & 0xffff;
124377 + codes = CrapWow((const char*)fn_hash_data->tree_codes, fn_hash_data->tree_codes_len, seed) & 0xffff;
124378 +
124379 + fn_hash_data->hash = fn ^ codes;
124380 +}
124381 +
124382 +static void set_node_codes(const_tree type, struct function_hash *fn_hash_data)
124383 +{
124384 + gcc_assert(type != NULL_TREE);
124385 + gcc_assert(TREE_CODE_CLASS(TREE_CODE(type)) == tcc_type);
124386 +
124387 + while (type && fn_hash_data->tree_codes_len < CODES_LIMIT) {
124388 + fn_hash_data->tree_codes[fn_hash_data->tree_codes_len] = get_tree_code(type);
124389 + fn_hash_data->tree_codes_len++;
124390 + type = TREE_TYPE(type);
124391 + }
124392 +}
124393 +
124394 +static void set_result_codes(const_tree node, struct function_hash *fn_hash_data)
124395 +{
124396 + const_tree result;
124397 +
124398 + gcc_assert(node != NULL_TREE);
124399 +
124400 + if (DECL_P(node)) {
124401 + result = DECL_RESULT(node);
124402 + if (result != NULL_TREE)
124403 + return set_node_codes(TREE_TYPE(result), fn_hash_data);
124404 + return set_result_codes(TREE_TYPE(node), fn_hash_data);
124405 + }
124406 +
124407 + gcc_assert(TYPE_P(node));
124408 +
124409 + if (TREE_CODE(node) == FUNCTION_TYPE)
124410 + return set_result_codes(TREE_TYPE(node), fn_hash_data);
124411 +
124412 + return set_node_codes(node, fn_hash_data);
124413 +}
124414 +
124415 +static void set_function_codes(struct function_hash *fn_hash_data)
124416 +{
124417 + const_tree arg, type = TREE_TYPE(fn_hash_data->fndecl);
124418 + enum tree_code code = TREE_CODE(type);
124419 +
124420 + gcc_assert(code == FUNCTION_TYPE || code == METHOD_TYPE);
124421 +
124422 + set_result_codes(fn_hash_data->fndecl, fn_hash_data);
124423 +
124424 + for (arg = TYPE_ARG_TYPES(type); arg != NULL_TREE && fn_hash_data->tree_codes_len < CODES_LIMIT; arg = TREE_CHAIN(arg))
124425 + set_node_codes(TREE_VALUE(arg), fn_hash_data);
124426 +}
124427 +
124428 +static const struct size_overflow_hash *get_proper_hash_chain(const struct size_overflow_hash *entry, const char *func_name)
124429 +{
124430 + while (entry) {
124431 + if (!strcmp(entry->name, func_name))
124432 + return entry;
124433 + entry = entry->next;
124434 + }
124435 + return NULL;
124436 +}
124437 +
124438 +const struct size_overflow_hash *get_function_hash(const_tree fndecl)
124439 +{
124440 + const struct size_overflow_hash *entry;
124441 + struct function_hash fn_hash_data;
124442 + const char *func_name;
124443 +
124444 + // skip builtins __builtin_constant_p
124445 + if (DECL_BUILT_IN(fndecl))
124446 + return NULL;
124447 +
124448 + fn_hash_data.fndecl = fndecl;
124449 + fn_hash_data.tree_codes_len = 0;
124450 +
124451 + set_function_codes(&fn_hash_data);
124452 + gcc_assert(fn_hash_data.tree_codes_len != 0);
124453 +
124454 + func_name = DECL_NAME_POINTER(fn_hash_data.fndecl);
124455 + set_hash(func_name, &fn_hash_data);
124456 +
124457 + entry = size_overflow_hash[fn_hash_data.hash];
124458 + entry = get_proper_hash_chain(entry, func_name);
124459 + if (entry)
124460 + return entry;
124461 + entry = size_overflow_hash_aux[fn_hash_data.hash];
124462 + return get_proper_hash_chain(entry, func_name);
124463 +}
124464 +
124465 +static void print_missing_msg(const_tree func, unsigned int argnum)
124466 +{
124467 + location_t loc;
124468 + const char *curfunc;
124469 + struct function_hash fn_hash_data;
124470 +
124471 + fn_hash_data.fndecl = DECL_ORIGIN(func);
124472 + fn_hash_data.tree_codes_len = 0;
124473 +
124474 + loc = DECL_SOURCE_LOCATION(fn_hash_data.fndecl);
124475 + curfunc = DECL_NAME_POINTER(fn_hash_data.fndecl);
124476 +
124477 + set_function_codes(&fn_hash_data);
124478 + set_hash(curfunc, &fn_hash_data);
124479 +
124480 + inform(loc, "Function %s is missing from the size_overflow hash table +%s+%u+%u+", curfunc, curfunc, argnum, fn_hash_data.hash);
124481 +}
124482 +
124483 +unsigned int find_arg_number_tree(const_tree arg, const_tree func)
124484 +{
124485 + tree var;
124486 + unsigned int argnum = 1;
124487 +
124488 + if (TREE_CODE(arg) == SSA_NAME)
124489 + arg = SSA_NAME_VAR(arg);
124490 +
124491 + for (var = DECL_ARGUMENTS(func); var; var = TREE_CHAIN(var), argnum++) {
124492 + if (!operand_equal_p(arg, var, 0) && strcmp(DECL_NAME_POINTER(var), DECL_NAME_POINTER(arg)))
124493 + continue;
124494 + if (!skip_types(var))
124495 + return argnum;
124496 + }
124497 +
124498 + return CANNOT_FIND_ARG;
124499 +}
124500 +
124501 +static const char *get_asm_string(const_gimple stmt)
124502 +{
124503 + if (!stmt)
124504 + return NULL;
124505 + if (gimple_code(stmt) != GIMPLE_ASM)
124506 + return NULL;
124507 +
124508 + return gimple_asm_string(stmt);
124509 +}
124510 +
124511 +bool is_size_overflow_intentional_asm_turn_off(const_gimple stmt)
124512 +{
124513 + const char *str;
124514 +
124515 + str = get_asm_string(stmt);
124516 + if (!str)
124517 + return false;
124518 + return !strncmp(str, TURN_OFF_ASM_STR, sizeof(TURN_OFF_ASM_STR) - 1);
124519 +}
124520 +
124521 +bool is_size_overflow_intentional_asm_yes(const_gimple stmt)
124522 +{
124523 + const char *str;
124524 +
124525 + str = get_asm_string(stmt);
124526 + if (!str)
124527 + return false;
124528 + return !strncmp(str, YES_ASM_STR, sizeof(YES_ASM_STR) - 1);
124529 +}
124530 +
124531 +bool is_size_overflow_asm(const_gimple stmt)
124532 +{
124533 + const char *str;
124534 +
124535 + str = get_asm_string(stmt);
124536 + if (!str)
124537 + return false;
124538 + return !strncmp(str, OK_ASM_STR, sizeof(OK_ASM_STR) - 1);
124539 +}
124540 +
124541 +bool is_a_return_check(const_tree node)
124542 +{
124543 + if (TREE_CODE(node) == FUNCTION_DECL)
124544 + return true;
124545 +
124546 + gcc_assert(TREE_CODE(node) == PARM_DECL);
124547 + return false;
124548 +}
124549 +
124550 +// Get the argnum of a function decl, if node is a return then the argnum is 0
124551 +unsigned int get_function_num(const_tree node, const_tree orig_fndecl)
124552 +{
124553 + if (is_a_return_check(node))
124554 + return 0;
124555 + else
124556 + return find_arg_number_tree(node, orig_fndecl);
124557 +}
124558 +
124559 +unsigned int get_correct_arg_count(unsigned int argnum, const_tree fndecl)
124560 +{
124561 + const struct size_overflow_hash *hash;
124562 + unsigned int new_argnum;
124563 + tree arg;
124564 + const_tree origarg;
124565 +
124566 + if (argnum == 0)
124567 + return argnum;
124568 +
124569 + hash = get_function_hash(fndecl);
124570 + if (hash && hash->param & (1U << argnum))
124571 + return argnum;
124572 +
124573 + if (DECL_EXTERNAL(fndecl))
124574 + return argnum;
124575 +
124576 + origarg = DECL_ARGUMENTS(DECL_ORIGIN(fndecl));
124577 + argnum--;
124578 + while (origarg && argnum) {
124579 + origarg = TREE_CHAIN(origarg);
124580 + argnum--;
124581 + }
124582 + gcc_assert(argnum == 0);
124583 + gcc_assert(origarg != NULL_TREE);
124584 +
124585 + for (arg = DECL_ARGUMENTS(fndecl), new_argnum = 1; arg; arg = TREE_CHAIN(arg), new_argnum++)
124586 + if (operand_equal_p(origarg, arg, 0) || !strcmp(DECL_NAME_POINTER(origarg), DECL_NAME_POINTER(arg)))
124587 + return new_argnum;
124588 +
124589 + return CANNOT_FIND_ARG;
124590 +}
124591 +
124592 +static bool is_in_hash_table(const_tree fndecl, unsigned int num)
124593 +{
124594 + const struct size_overflow_hash *hash;
124595 +
124596 + hash = get_function_hash(fndecl);
124597 + if (hash && (hash->param & (1U << num)))
124598 + return true;
124599 + return false;
124600 +}
124601 +
124602 +/* Check if the function has a size_overflow attribute or it is in the size_overflow hash table.
124603 + * If the function is missing everywhere then print the missing message into stderr.
124604 + */
124605 +bool is_missing_function(const_tree orig_fndecl, unsigned int num)
124606 +{
124607 + switch (DECL_FUNCTION_CODE(orig_fndecl)) {
124608 +#if BUILDING_GCC_VERSION >= 4008
124609 + case BUILT_IN_BSWAP16:
124610 +#endif
124611 + case BUILT_IN_BSWAP32:
124612 + case BUILT_IN_BSWAP64:
124613 + case BUILT_IN_EXPECT:
124614 + case BUILT_IN_MEMCMP:
124615 + return false;
124616 + default:
124617 + break;
124618 + }
124619 +
124620 + // skip test.c
124621 + if (strcmp(DECL_NAME_POINTER(current_function_decl), "coolmalloc")) {
124622 + if (lookup_attribute("size_overflow", DECL_ATTRIBUTES(orig_fndecl)))
124623 + warning(0, "unnecessary size_overflow attribute on: %s\n", DECL_NAME_POINTER(orig_fndecl));
124624 + }
124625 +
124626 + if (is_in_hash_table(orig_fndecl, num))
124627 + return false;
124628 +
124629 + print_missing_msg(orig_fndecl, num);
124630 + return true;
124631 +}
124632 +
124633 diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c
124634 new file mode 100644
124635 index 0000000..924652b
124636 --- /dev/null
124637 +++ b/tools/gcc/stackleak_plugin.c
124638 @@ -0,0 +1,395 @@
124639 +/*
124640 + * Copyright 2011-2014 by the PaX Team <pageexec@freemail.hu>
124641 + * Licensed under the GPL v2
124642 + *
124643 + * Note: the choice of the license means that the compilation process is
124644 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
124645 + * but for the kernel it doesn't matter since it doesn't link against
124646 + * any of the gcc libraries
124647 + *
124648 + * gcc plugin to help implement various PaX features
124649 + *
124650 + * - track lowest stack pointer
124651 + *
124652 + * TODO:
124653 + * - initialize all local variables
124654 + *
124655 + * BUGS:
124656 + * - none known
124657 + */
124658 +
124659 +#include "gcc-common.h"
124660 +
124661 +int plugin_is_GPL_compatible;
124662 +
124663 +static int track_frame_size = -1;
124664 +static const char track_function[] = "pax_track_stack";
124665 +static const char check_function[] = "pax_check_alloca";
124666 +static tree track_function_decl, check_function_decl;
124667 +static bool init_locals;
124668 +
124669 +static struct plugin_info stackleak_plugin_info = {
124670 + .version = "201408011900",
124671 + .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n"
124672 +// "initialize-locals\t\tforcibly initialize all stack frames\n"
124673 +};
124674 +
124675 +static void stackleak_check_alloca(gimple_stmt_iterator *gsi)
124676 +{
124677 + gimple check_alloca;
124678 + tree alloca_size;
124679 +
124680 + // insert call to void pax_check_alloca(unsigned long size)
124681 + alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0);
124682 + check_alloca = gimple_build_call(check_function_decl, 1, alloca_size);
124683 + gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT);
124684 +}
124685 +
124686 +static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi)
124687 +{
124688 + gimple track_stack;
124689 +
124690 + // insert call to void pax_track_stack(void)
124691 + track_stack = gimple_build_call(track_function_decl, 0);
124692 + gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING);
124693 +}
124694 +
124695 +static bool is_alloca(gimple stmt)
124696 +{
124697 + if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA))
124698 + return true;
124699 +
124700 +#if BUILDING_GCC_VERSION >= 4007
124701 + if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN))
124702 + return true;
124703 +#endif
124704 +
124705 + return false;
124706 +}
124707 +
124708 +static unsigned int execute_stackleak_tree_instrument(void)
124709 +{
124710 + basic_block bb, entry_bb;
124711 + bool prologue_instrumented = false, is_leaf = true;
124712 +
124713 + entry_bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb;
124714 +
124715 + // 1. loop through BBs and GIMPLE statements
124716 + FOR_EACH_BB_FN(bb, cfun) {
124717 + gimple_stmt_iterator gsi;
124718 +
124719 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
124720 + gimple stmt;
124721 +
124722 + stmt = gsi_stmt(gsi);
124723 +
124724 + if (is_gimple_call(stmt))
124725 + is_leaf = false;
124726 +
124727 + // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450>
124728 + if (!is_alloca(stmt))
124729 + continue;
124730 +
124731 + // 2. insert stack overflow check before each __builtin_alloca call
124732 + stackleak_check_alloca(&gsi);
124733 +
124734 + // 3. insert track call after each __builtin_alloca call
124735 + stackleak_add_instrumentation(&gsi);
124736 + if (bb == entry_bb)
124737 + prologue_instrumented = true;
124738 + }
124739 + }
124740 +
124741 + // special cases for some bad linux code: taking the address of static inline functions will materialize them
124742 + // but we mustn't instrument some of them as the resulting stack alignment required by the function call ABI
124743 + // will break other assumptions regarding the expected (but not otherwise enforced) register clobbering ABI.
124744 + // case in point: native_save_fl on amd64 when optimized for size clobbers rdx if it were instrumented here.
124745 + if (is_leaf && !TREE_PUBLIC(current_function_decl) && DECL_DECLARED_INLINE_P(current_function_decl))
124746 + return 0;
124747 + if (is_leaf && !strncmp(IDENTIFIER_POINTER(DECL_NAME(current_function_decl)), "_paravirt_", 10))
124748 + return 0;
124749 +
124750 + // 4. insert track call at the beginning
124751 + if (!prologue_instrumented) {
124752 + gimple_stmt_iterator gsi;
124753 +
124754 + bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest;
124755 + if (dom_info_available_p(CDI_DOMINATORS))
124756 + set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun));
124757 + gsi = gsi_start_bb(bb);
124758 + stackleak_add_instrumentation(&gsi);
124759 + }
124760 +
124761 + return 0;
124762 +}
124763 +
124764 +static unsigned int execute_stackleak_final(void)
124765 +{
124766 + rtx insn, next;
124767 +
124768 + if (cfun->calls_alloca)
124769 + return 0;
124770 +
124771 + // keep calls only if function frame is big enough
124772 + if (get_frame_size() >= track_frame_size)
124773 + return 0;
124774 +
124775 + // 1. find pax_track_stack calls
124776 + for (insn = get_insns(); insn; insn = next) {
124777 + // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil))
124778 + rtx body;
124779 +
124780 + next = NEXT_INSN(insn);
124781 + if (!CALL_P(insn))
124782 + continue;
124783 + body = PATTERN(insn);
124784 + if (GET_CODE(body) != CALL)
124785 + continue;
124786 + body = XEXP(body, 0);
124787 + if (GET_CODE(body) != MEM)
124788 + continue;
124789 + body = XEXP(body, 0);
124790 + if (GET_CODE(body) != SYMBOL_REF)
124791 + continue;
124792 +// if (strcmp(XSTR(body, 0), track_function))
124793 + if (SYMBOL_REF_DECL(body) != track_function_decl)
124794 + continue;
124795 +// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
124796 + // 2. delete call
124797 + delete_insn_and_edges(insn);
124798 +#if BUILDING_GCC_VERSION >= 4007
124799 + if (GET_CODE(next) == NOTE && NOTE_KIND(next) == NOTE_INSN_CALL_ARG_LOCATION) {
124800 + insn = next;
124801 + next = NEXT_INSN(insn);
124802 + delete_insn_and_edges(insn);
124803 + }
124804 +#endif
124805 + }
124806 +
124807 +// print_simple_rtl(stderr, get_insns());
124808 +// print_rtl(stderr, get_insns());
124809 +// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size);
124810 +
124811 + return 0;
124812 +}
124813 +
124814 +static bool gate_stackleak_track_stack(void)
124815 +{
124816 + tree section;
124817 +
124818 + if (ix86_cmodel != CM_KERNEL)
124819 + return false;
124820 +
124821 + section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl));
124822 + if (section && TREE_VALUE(section)) {
124823 + section = TREE_VALUE(TREE_VALUE(section));
124824 +
124825 + if (!strncmp(TREE_STRING_POINTER(section), ".init.text", 10))
124826 + return false;
124827 + if (!strncmp(TREE_STRING_POINTER(section), ".devinit.text", 13))
124828 + return false;
124829 + if (!strncmp(TREE_STRING_POINTER(section), ".cpuinit.text", 13))
124830 + return false;
124831 + if (!strncmp(TREE_STRING_POINTER(section), ".meminit.text", 13))
124832 + return false;
124833 + }
124834 +
124835 + return track_frame_size >= 0;
124836 +}
124837 +
124838 +static void stackleak_start_unit(void *gcc_data, void *user_data)
124839 +{
124840 + tree fntype;
124841 +
124842 + // void pax_track_stack(void)
124843 + fntype = build_function_type_list(void_type_node, NULL_TREE);
124844 + track_function_decl = build_fn_decl(track_function, fntype);
124845 + DECL_ASSEMBLER_NAME(track_function_decl); // for LTO
124846 + TREE_PUBLIC(track_function_decl) = 1;
124847 + DECL_EXTERNAL(track_function_decl) = 1;
124848 + DECL_ARTIFICIAL(track_function_decl) = 1;
124849 +
124850 + // void pax_check_alloca(unsigned long)
124851 + fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE);
124852 + check_function_decl = build_fn_decl(check_function, fntype);
124853 + DECL_ASSEMBLER_NAME(check_function_decl); // for LTO
124854 + TREE_PUBLIC(check_function_decl) = 1;
124855 + DECL_EXTERNAL(check_function_decl) = 1;
124856 + DECL_ARTIFICIAL(check_function_decl) = 1;
124857 +}
124858 +
124859 +#if BUILDING_GCC_VERSION >= 4009
124860 +static const struct pass_data stackleak_tree_instrument_pass_data = {
124861 +#else
124862 +static struct gimple_opt_pass stackleak_tree_instrument_pass = {
124863 + .pass = {
124864 +#endif
124865 + .type = GIMPLE_PASS,
124866 + .name = "stackleak_tree_instrument",
124867 +#if BUILDING_GCC_VERSION >= 4008
124868 + .optinfo_flags = OPTGROUP_NONE,
124869 +#endif
124870 +#if BUILDING_GCC_VERSION >= 4009
124871 + .has_gate = true,
124872 + .has_execute = true,
124873 +#else
124874 + .gate = gate_stackleak_track_stack,
124875 + .execute = execute_stackleak_tree_instrument,
124876 + .sub = NULL,
124877 + .next = NULL,
124878 + .static_pass_number = 0,
124879 +#endif
124880 + .tv_id = TV_NONE,
124881 + .properties_required = PROP_gimple_leh | PROP_cfg,
124882 + .properties_provided = 0,
124883 + .properties_destroyed = 0,
124884 + .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts,
124885 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa | TODO_rebuild_cgraph_edges
124886 +#if BUILDING_GCC_VERSION < 4009
124887 + }
124888 +#endif
124889 +};
124890 +
124891 +#if BUILDING_GCC_VERSION >= 4009
124892 +static const struct pass_data stackleak_final_rtl_opt_pass_data = {
124893 +#else
124894 +static struct rtl_opt_pass stackleak_final_rtl_opt_pass = {
124895 + .pass = {
124896 +#endif
124897 + .type = RTL_PASS,
124898 + .name = "stackleak_final",
124899 +#if BUILDING_GCC_VERSION >= 4008
124900 + .optinfo_flags = OPTGROUP_NONE,
124901 +#endif
124902 +#if BUILDING_GCC_VERSION >= 4009
124903 + .has_gate = true,
124904 + .has_execute = true,
124905 +#else
124906 + .gate = gate_stackleak_track_stack,
124907 + .execute = execute_stackleak_final,
124908 + .sub = NULL,
124909 + .next = NULL,
124910 + .static_pass_number = 0,
124911 +#endif
124912 + .tv_id = TV_NONE,
124913 + .properties_required = 0,
124914 + .properties_provided = 0,
124915 + .properties_destroyed = 0,
124916 + .todo_flags_start = 0,
124917 + .todo_flags_finish = TODO_dump_func
124918 +#if BUILDING_GCC_VERSION < 4009
124919 + }
124920 +#endif
124921 +};
124922 +
124923 +#if BUILDING_GCC_VERSION >= 4009
124924 +namespace {
124925 +class stackleak_tree_instrument_pass : public gimple_opt_pass {
124926 +public:
124927 + stackleak_tree_instrument_pass() : gimple_opt_pass(stackleak_tree_instrument_pass_data, g) {}
124928 + bool gate() { return gate_stackleak_track_stack(); }
124929 + unsigned int execute() { return execute_stackleak_tree_instrument(); }
124930 +};
124931 +
124932 +class stackleak_final_rtl_opt_pass : public rtl_opt_pass {
124933 +public:
124934 + stackleak_final_rtl_opt_pass() : rtl_opt_pass(stackleak_final_rtl_opt_pass_data, g) {}
124935 + bool gate() { return gate_stackleak_track_stack(); }
124936 + unsigned int execute() { return execute_stackleak_final(); }
124937 +};
124938 +}
124939 +
124940 +static opt_pass *make_stackleak_tree_instrument_pass(void)
124941 +{
124942 + return new stackleak_tree_instrument_pass();
124943 +}
124944 +
124945 +static opt_pass *make_stackleak_final_rtl_opt_pass(void)
124946 +{
124947 + return new stackleak_final_rtl_opt_pass();
124948 +}
124949 +#else
124950 +static struct opt_pass *make_stackleak_tree_instrument_pass(void)
124951 +{
124952 + return &stackleak_tree_instrument_pass.pass;
124953 +}
124954 +
124955 +static struct opt_pass *make_stackleak_final_rtl_opt_pass(void)
124956 +{
124957 + return &stackleak_final_rtl_opt_pass.pass;
124958 +}
124959 +#endif
124960 +
124961 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
124962 +{
124963 + const char * const plugin_name = plugin_info->base_name;
124964 + const int argc = plugin_info->argc;
124965 + const struct plugin_argument * const argv = plugin_info->argv;
124966 + int i;
124967 + struct register_pass_info stackleak_tree_instrument_pass_info;
124968 + struct register_pass_info stackleak_final_pass_info;
124969 + static const struct ggc_root_tab gt_ggc_r_gt_stackleak[] = {
124970 + {
124971 + .base = &track_function_decl,
124972 + .nelt = 1,
124973 + .stride = sizeof(track_function_decl),
124974 + .cb = &gt_ggc_mx_tree_node,
124975 + .pchw = &gt_pch_nx_tree_node
124976 + },
124977 + {
124978 + .base = &check_function_decl,
124979 + .nelt = 1,
124980 + .stride = sizeof(check_function_decl),
124981 + .cb = &gt_ggc_mx_tree_node,
124982 + .pchw = &gt_pch_nx_tree_node
124983 + },
124984 + LAST_GGC_ROOT_TAB
124985 + };
124986 +
124987 + stackleak_tree_instrument_pass_info.pass = make_stackleak_tree_instrument_pass();
124988 +// stackleak_tree_instrument_pass_info.reference_pass_name = "tree_profile";
124989 + stackleak_tree_instrument_pass_info.reference_pass_name = "optimized";
124990 + stackleak_tree_instrument_pass_info.ref_pass_instance_number = 1;
124991 + stackleak_tree_instrument_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
124992 +
124993 + stackleak_final_pass_info.pass = make_stackleak_final_rtl_opt_pass();
124994 + stackleak_final_pass_info.reference_pass_name = "final";
124995 + stackleak_final_pass_info.ref_pass_instance_number = 1;
124996 + stackleak_final_pass_info.pos_op = PASS_POS_INSERT_BEFORE;
124997 +
124998 + if (!plugin_default_version_check(version, &gcc_version)) {
124999 + error(G_("incompatible gcc/plugin versions"));
125000 + return 1;
125001 + }
125002 +
125003 + register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info);
125004 +
125005 + for (i = 0; i < argc; ++i) {
125006 + if (!strcmp(argv[i].key, "track-lowest-sp")) {
125007 + if (!argv[i].value) {
125008 + error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
125009 + continue;
125010 + }
125011 + track_frame_size = atoi(argv[i].value);
125012 + if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0)
125013 + error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
125014 + continue;
125015 + }
125016 + if (!strcmp(argv[i].key, "initialize-locals")) {
125017 + if (argv[i].value) {
125018 + error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value);
125019 + continue;
125020 + }
125021 + init_locals = true;
125022 + continue;
125023 + }
125024 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
125025 + }
125026 +
125027 + register_callback(plugin_name, PLUGIN_START_UNIT, &stackleak_start_unit, NULL);
125028 + register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_stackleak);
125029 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_tree_instrument_pass_info);
125030 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_final_pass_info);
125031 +
125032 + return 0;
125033 +}
125034 diff --git a/tools/gcc/structleak_plugin.c b/tools/gcc/structleak_plugin.c
125035 new file mode 100644
125036 index 0000000..4ee2231
125037 --- /dev/null
125038 +++ b/tools/gcc/structleak_plugin.c
125039 @@ -0,0 +1,274 @@
125040 +/*
125041 + * Copyright 2013-2014 by PaX Team <pageexec@freemail.hu>
125042 + * Licensed under the GPL v2
125043 + *
125044 + * Note: the choice of the license means that the compilation process is
125045 + * NOT 'eligible' as defined by gcc's library exception to the GPL v3,
125046 + * but for the kernel it doesn't matter since it doesn't link against
125047 + * any of the gcc libraries
125048 + *
125049 + * gcc plugin to forcibly initialize certain local variables that could
125050 + * otherwise leak kernel stack to userland if they aren't properly initialized
125051 + * by later code
125052 + *
125053 + * Homepage: http://pax.grsecurity.net/
125054 + *
125055 + * Usage:
125056 + * $ # for 4.5/4.6/C based 4.7
125057 + * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c
125058 + * $ # for C++ based 4.7/4.8+
125059 + * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c
125060 + * $ gcc -fplugin=./structleak_plugin.so test.c -O2
125061 + *
125062 + * TODO: eliminate redundant initializers
125063 + * increase type coverage
125064 + */
125065 +
125066 +#include "gcc-common.h"
125067 +
125068 +// unused C type flag in all versions 4.5-4.9
125069 +#define TYPE_USERSPACE(TYPE) TYPE_LANG_FLAG_3(TYPE)
125070 +
125071 +int plugin_is_GPL_compatible;
125072 +
125073 +static struct plugin_info structleak_plugin_info = {
125074 + .version = "201401260140",
125075 + .help = "disable\tdo not activate plugin\n",
125076 +};
125077 +
125078 +static tree handle_user_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
125079 +{
125080 + *no_add_attrs = true;
125081 +
125082 + // check for types? for now accept everything linux has to offer
125083 + if (TREE_CODE(*node) != FIELD_DECL)
125084 + return NULL_TREE;
125085 +
125086 + *no_add_attrs = false;
125087 + return NULL_TREE;
125088 +}
125089 +
125090 +static struct attribute_spec user_attr = {
125091 + .name = "user",
125092 + .min_length = 0,
125093 + .max_length = 0,
125094 + .decl_required = false,
125095 + .type_required = false,
125096 + .function_type_required = false,
125097 + .handler = handle_user_attribute,
125098 +#if BUILDING_GCC_VERSION >= 4007
125099 + .affects_type_identity = true
125100 +#endif
125101 +};
125102 +
125103 +static void register_attributes(void *event_data, void *data)
125104 +{
125105 + register_attribute(&user_attr);
125106 +// register_attribute(&force_attr);
125107 +}
125108 +
125109 +static tree get_field_type(tree field)
125110 +{
125111 + return strip_array_types(TREE_TYPE(field));
125112 +}
125113 +
125114 +static bool is_userspace_type(tree type)
125115 +{
125116 + tree field;
125117 +
125118 + for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) {
125119 + tree fieldtype = get_field_type(field);
125120 + enum tree_code code = TREE_CODE(fieldtype);
125121 +
125122 + if (code == RECORD_TYPE || code == UNION_TYPE)
125123 + if (is_userspace_type(fieldtype))
125124 + return true;
125125 +
125126 + if (lookup_attribute("user", DECL_ATTRIBUTES(field)))
125127 + return true;
125128 + }
125129 + return false;
125130 +}
125131 +
125132 +static void finish_type(void *event_data, void *data)
125133 +{
125134 + tree type = (tree)event_data;
125135 +
125136 + if (TYPE_USERSPACE(type))
125137 + return;
125138 +
125139 + if (is_userspace_type(type))
125140 + TYPE_USERSPACE(type) = 1;
125141 +}
125142 +
125143 +static void initialize(tree var)
125144 +{
125145 + basic_block bb;
125146 + gimple_stmt_iterator gsi;
125147 + tree initializer;
125148 + gimple init_stmt;
125149 +
125150 + // this is the original entry bb before the forced split
125151 + // TODO: check further BBs in case more splits occured before us
125152 + bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb->next_bb;
125153 +
125154 + // first check if the variable is already initialized, warn otherwise
125155 + for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
125156 + gimple stmt = gsi_stmt(gsi);
125157 + tree rhs1;
125158 +
125159 + // we're looking for an assignment of a single rhs...
125160 + if (!gimple_assign_single_p(stmt))
125161 + continue;
125162 + rhs1 = gimple_assign_rhs1(stmt);
125163 +#if BUILDING_GCC_VERSION >= 4007
125164 + // ... of a non-clobbering expression...
125165 + if (TREE_CLOBBER_P(rhs1))
125166 + continue;
125167 +#endif
125168 + // ... to our variable...
125169 + if (gimple_get_lhs(stmt) != var)
125170 + continue;
125171 + // if it's an initializer then we're good
125172 + if (TREE_CODE(rhs1) == CONSTRUCTOR)
125173 + return;
125174 + }
125175 +
125176 + // these aren't the 0days you're looking for
125177 +// inform(DECL_SOURCE_LOCATION(var), "userspace variable will be forcibly initialized");
125178 +
125179 + // build the initializer expression
125180 + initializer = build_constructor(TREE_TYPE(var), NULL);
125181 +
125182 + // build the initializer stmt
125183 + init_stmt = gimple_build_assign(var, initializer);
125184 + gsi = gsi_start_bb(ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb);
125185 + gsi_insert_before(&gsi, init_stmt, GSI_NEW_STMT);
125186 + update_stmt(init_stmt);
125187 +}
125188 +
125189 +static unsigned int handle_function(void)
125190 +{
125191 + basic_block bb;
125192 + unsigned int ret = 0;
125193 + tree var;
125194 + unsigned int i;
125195 +
125196 + // split the first bb where we can put the forced initializers
125197 + bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest;
125198 + if (dom_info_available_p(CDI_DOMINATORS))
125199 + set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun));
125200 +
125201 + // enumarate all local variables and forcibly initialize our targets
125202 + FOR_EACH_LOCAL_DECL(cfun, i, var) {
125203 + tree type = TREE_TYPE(var);
125204 +
125205 + gcc_assert(DECL_P(var));
125206 + if (!auto_var_in_fn_p(var, current_function_decl))
125207 + continue;
125208 +
125209 + // only care about structure types
125210 + if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
125211 + continue;
125212 +
125213 + // if the type is of interest, examine the variable
125214 + if (TYPE_USERSPACE(type))
125215 + initialize(var);
125216 + }
125217 +
125218 + return ret;
125219 +}
125220 +
125221 +#if BUILDING_GCC_VERSION >= 4009
125222 +static const struct pass_data structleak_pass_data = {
125223 +#else
125224 +static struct gimple_opt_pass structleak_pass = {
125225 + .pass = {
125226 +#endif
125227 + .type = GIMPLE_PASS,
125228 + .name = "structleak",
125229 +#if BUILDING_GCC_VERSION >= 4008
125230 + .optinfo_flags = OPTGROUP_NONE,
125231 +#endif
125232 +#if BUILDING_GCC_VERSION >= 4009
125233 + .has_gate = false,
125234 + .has_execute = true,
125235 +#else
125236 + .gate = NULL,
125237 + .execute = handle_function,
125238 + .sub = NULL,
125239 + .next = NULL,
125240 + .static_pass_number = 0,
125241 +#endif
125242 + .tv_id = TV_NONE,
125243 + .properties_required = PROP_cfg,
125244 + .properties_provided = 0,
125245 + .properties_destroyed = 0,
125246 + .todo_flags_start = 0,
125247 + .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa | TODO_ggc_collect | TODO_verify_flow
125248 +#if BUILDING_GCC_VERSION < 4009
125249 + }
125250 +#endif
125251 +};
125252 +
125253 +#if BUILDING_GCC_VERSION >= 4009
125254 +namespace {
125255 +class structleak_pass : public gimple_opt_pass {
125256 +public:
125257 + structleak_pass() : gimple_opt_pass(structleak_pass_data, g) {}
125258 + unsigned int execute() { return handle_function(); }
125259 +};
125260 +}
125261 +
125262 +static opt_pass *make_structleak_pass(void)
125263 +{
125264 + return new structleak_pass();
125265 +}
125266 +#else
125267 +static struct opt_pass *make_structleak_pass(void)
125268 +{
125269 + return &structleak_pass.pass;
125270 +}
125271 +#endif
125272 +
125273 +int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
125274 +{
125275 + int i;
125276 + const char * const plugin_name = plugin_info->base_name;
125277 + const int argc = plugin_info->argc;
125278 + const struct plugin_argument * const argv = plugin_info->argv;
125279 + bool enable = true;
125280 + struct register_pass_info structleak_pass_info;
125281 +
125282 + structleak_pass_info.pass = make_structleak_pass();
125283 + structleak_pass_info.reference_pass_name = "ssa";
125284 + structleak_pass_info.ref_pass_instance_number = 1;
125285 + structleak_pass_info.pos_op = PASS_POS_INSERT_AFTER;
125286 +
125287 + if (!plugin_default_version_check(version, &gcc_version)) {
125288 + error(G_("incompatible gcc/plugin versions"));
125289 + return 1;
125290 + }
125291 +
125292 + if (strcmp(lang_hooks.name, "GNU C")) {
125293 + inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name);
125294 + enable = false;
125295 + }
125296 +
125297 + for (i = 0; i < argc; ++i) {
125298 + if (!strcmp(argv[i].key, "disable")) {
125299 + enable = false;
125300 + continue;
125301 + }
125302 + error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
125303 + }
125304 +
125305 + register_callback(plugin_name, PLUGIN_INFO, NULL, &structleak_plugin_info);
125306 + if (enable) {
125307 + register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &structleak_pass_info);
125308 + register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL);
125309 + }
125310 + register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL);
125311 +
125312 + return 0;
125313 +}
125314 diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
125315 index 88461f0..6fb70a0 100644
125316 --- a/tools/include/linux/compiler.h
125317 +++ b/tools/include/linux/compiler.h
125318 @@ -35,6 +35,14 @@
125319 # define unlikely(x) __builtin_expect(!!(x), 0)
125320 #endif
125321
125322 +#ifndef __size_overflow
125323 +# define __size_overflow(...)
125324 +#endif
125325 +
125326 +#ifndef __intentional_overflow
125327 +# define __intentional_overflow(...)
125328 +#endif
125329 +
125330 #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
125331
125332 #endif /* _TOOLS_LINUX_COMPILER_H */
125333 diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile
125334 index 36c08b1..87c72d1 100644
125335 --- a/tools/lib/api/Makefile
125336 +++ b/tools/lib/api/Makefile
125337 @@ -21,7 +21,7 @@ LIB_OBJS += $(OUTPUT)fd/array.o
125338
125339 LIBFILE = libapikfs.a
125340
125341 -CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC
125342 +CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC
125343 EXTLIBS = -lelf -lpthread -lrt -lm
125344 ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
125345 ALL_LDFLAGS = $(LDFLAGS)
125346 diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h
125347 index 6789d788..4afd019e 100644
125348 --- a/tools/perf/util/include/asm/alternative-asm.h
125349 +++ b/tools/perf/util/include/asm/alternative-asm.h
125350 @@ -5,4 +5,7 @@
125351
125352 #define altinstruction_entry #
125353
125354 + .macro pax_force_retaddr rip=0, reload=0
125355 + .endm
125356 +
125357 #endif
125358 diff --git a/tools/virtio/linux/uaccess.h b/tools/virtio/linux/uaccess.h
125359 index 0a578fe..b81f62d 100644
125360 --- a/tools/virtio/linux/uaccess.h
125361 +++ b/tools/virtio/linux/uaccess.h
125362 @@ -13,7 +13,7 @@ static inline void __chk_user_ptr(const volatile void *p, size_t size)
125363 ({ \
125364 typeof(ptr) __pu_ptr = (ptr); \
125365 __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \
125366 - ACCESS_ONCE(*(__pu_ptr)) = x; \
125367 + ACCESS_ONCE_RW(*(__pu_ptr)) = x; \
125368 0; \
125369 })
125370
125371 diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
125372 index 3cee7b1..29cb7d8 100644
125373 --- a/virt/kvm/kvm_main.c
125374 +++ b/virt/kvm/kvm_main.c
125375 @@ -78,12 +78,17 @@ LIST_HEAD(vm_list);
125376
125377 static cpumask_var_t cpus_hardware_enabled;
125378 static int kvm_usage_count = 0;
125379 -static atomic_t hardware_enable_failed;
125380 +static atomic_unchecked_t hardware_enable_failed;
125381
125382 struct kmem_cache *kvm_vcpu_cache;
125383 EXPORT_SYMBOL_GPL(kvm_vcpu_cache);
125384
125385 -static __read_mostly struct preempt_ops kvm_preempt_ops;
125386 +static void kvm_sched_in(struct preempt_notifier *pn, int cpu);
125387 +static void kvm_sched_out(struct preempt_notifier *pn, struct task_struct *next);
125388 +static struct preempt_ops kvm_preempt_ops = {
125389 + .sched_in = kvm_sched_in,
125390 + .sched_out = kvm_sched_out,
125391 +};
125392
125393 struct dentry *kvm_debugfs_dir;
125394
125395 @@ -786,7 +791,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
125396 /* We can read the guest memory with __xxx_user() later on. */
125397 if ((mem->slot < KVM_USER_MEM_SLOTS) &&
125398 ((mem->userspace_addr & (PAGE_SIZE - 1)) ||
125399 - !access_ok(VERIFY_WRITE,
125400 + !access_ok_noprefault(VERIFY_WRITE,
125401 (void __user *)(unsigned long)mem->userspace_addr,
125402 mem->memory_size)))
125403 goto out;
125404 @@ -1690,9 +1695,17 @@ EXPORT_SYMBOL_GPL(kvm_read_guest_cached);
125405
125406 int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len)
125407 {
125408 - const void *zero_page = (const void *) __va(page_to_phys(ZERO_PAGE(0)));
125409 + int r;
125410 + unsigned long addr;
125411
125412 - return kvm_write_guest_page(kvm, gfn, zero_page, offset, len);
125413 + addr = gfn_to_hva(kvm, gfn);
125414 + if (kvm_is_error_hva(addr))
125415 + return -EFAULT;
125416 + r = __clear_user((void __user *)addr + offset, len);
125417 + if (r)
125418 + return -EFAULT;
125419 + mark_page_dirty(kvm, gfn);
125420 + return 0;
125421 }
125422 EXPORT_SYMBOL_GPL(kvm_clear_guest_page);
125423
125424 @@ -1941,7 +1954,7 @@ static int kvm_vcpu_release(struct inode *inode, struct file *filp)
125425 return 0;
125426 }
125427
125428 -static struct file_operations kvm_vcpu_fops = {
125429 +static file_operations_no_const kvm_vcpu_fops __read_only = {
125430 .release = kvm_vcpu_release,
125431 .unlocked_ioctl = kvm_vcpu_ioctl,
125432 #ifdef CONFIG_COMPAT
125433 @@ -2650,7 +2663,7 @@ out:
125434 }
125435 #endif
125436
125437 -static struct file_operations kvm_vm_fops = {
125438 +static file_operations_no_const kvm_vm_fops __read_only = {
125439 .release = kvm_vm_release,
125440 .unlocked_ioctl = kvm_vm_ioctl,
125441 #ifdef CONFIG_COMPAT
125442 @@ -2721,7 +2734,7 @@ out:
125443 return r;
125444 }
125445
125446 -static struct file_operations kvm_chardev_ops = {
125447 +static file_operations_no_const kvm_chardev_ops __read_only = {
125448 .unlocked_ioctl = kvm_dev_ioctl,
125449 .compat_ioctl = kvm_dev_ioctl,
125450 .llseek = noop_llseek,
125451 @@ -2747,7 +2760,7 @@ static void hardware_enable_nolock(void *junk)
125452
125453 if (r) {
125454 cpumask_clear_cpu(cpu, cpus_hardware_enabled);
125455 - atomic_inc(&hardware_enable_failed);
125456 + atomic_inc_unchecked(&hardware_enable_failed);
125457 printk(KERN_INFO "kvm: enabling virtualization on "
125458 "CPU%d failed\n", cpu);
125459 }
125460 @@ -2803,10 +2816,10 @@ static int hardware_enable_all(void)
125461
125462 kvm_usage_count++;
125463 if (kvm_usage_count == 1) {
125464 - atomic_set(&hardware_enable_failed, 0);
125465 + atomic_set_unchecked(&hardware_enable_failed, 0);
125466 on_each_cpu(hardware_enable_nolock, NULL, 1);
125467
125468 - if (atomic_read(&hardware_enable_failed)) {
125469 + if (atomic_read_unchecked(&hardware_enable_failed)) {
125470 hardware_disable_all_nolock();
125471 r = -EBUSY;
125472 }
125473 @@ -3213,7 +3226,7 @@ static void kvm_sched_out(struct preempt_notifier *pn,
125474 kvm_arch_vcpu_put(vcpu);
125475 }
125476
125477 -int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
125478 +int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align,
125479 struct module *module)
125480 {
125481 int r;
125482 @@ -3260,7 +3273,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
125483 if (!vcpu_align)
125484 vcpu_align = __alignof__(struct kvm_vcpu);
125485 kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align,
125486 - 0, NULL);
125487 + SLAB_USERCOPY, NULL);
125488 if (!kvm_vcpu_cache) {
125489 r = -ENOMEM;
125490 goto out_free_3;
125491 @@ -3270,9 +3283,11 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
125492 if (r)
125493 goto out_free;
125494
125495 + pax_open_kernel();
125496 kvm_chardev_ops.owner = module;
125497 kvm_vm_fops.owner = module;
125498 kvm_vcpu_fops.owner = module;
125499 + pax_close_kernel();
125500
125501 r = misc_register(&kvm_dev);
125502 if (r) {
125503 @@ -3282,9 +3297,6 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
125504
125505 register_syscore_ops(&kvm_syscore_ops);
125506
125507 - kvm_preempt_ops.sched_in = kvm_sched_in;
125508 - kvm_preempt_ops.sched_out = kvm_sched_out;
125509 -
125510 r = kvm_init_debug();
125511 if (r) {
125512 printk(KERN_ERR "kvm: create debugfs files failed\n");
Unofficial grsecurity patch archive (https://github.com/slashbeast/grsecurity-scrape)