* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):

	New macros.
	* sysdeps/generic/strcpy.c: Add bounds checks.
	* sysdeps/unix/fxstat.c: Likewise.
	* sysdeps/unix/xstat.c: Likewise.
	* sysdeps/unix/common/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/execve.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
	* sysdeps/unix/sysv/linux/getdents.c: Likewise.
	* sysdeps/unix/sysv/linux/llseek.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
	* sysdeps/unix/sysv/linux/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.

diff --git a/sysdeps/unix/sysv/linux/arm/sigaction.c b/sysdeps/unix/sysv/linux/arm/sigaction.c
index ae8b7f8e7254d712c03deb778ea160eb4b078da3..5be2fff69cec4ec0eabdf60884f616873151dbc8 100644 (file)
--- a/sysdeps/unix/sysv/linux/arm/sigaction.c
+++ b/sysdeps/unix/sysv/linux/arm/sigaction.c
@@ -28,10 +28,10 @@
    translate it here.  */
 #include <kernel_sigaction.h>
 
-extern int __syscall_sigaction (int, const struct old_kernel_sigaction *,
-                               struct old_kernel_sigaction *);
-extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
-                                  struct kernel_sigaction *, size_t);
+extern int __syscall_sigaction (int, const struct old_kernel_sigaction *__unbounded,
+                               struct old_kernel_sigaction *__unbounded);
+extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
+                                  struct kernel_sigaction *__unbounded, size_t);
 
 /* The variable is shared between all wrappers around signal handling
    functions which have RT equivalents.  */
@@ -95,8 +95,9 @@ __libc_sigaction (sig, act, oact)
 
       /* XXX The size argument hopefully will have to be changed to the
         real size of the user-level sigset_t.  */
-      result = INLINE_SYSCALL (rt_sigaction, 4, sig, act ? &kact : NULL,
-                              oact ? &koact : NULL, _NSIG / 8);
+      result = INLINE_SYSCALL (rt_sigaction, 4, sig,
+                              act ? __ptrvalue (&kact) : NULL,
+                              oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
        {
@@ -133,8 +134,9 @@ __libc_sigaction (sig, act, oact)
        }
 #endif
     }
-  result = INLINE_SYSCALL (sigaction, 3, sig, act ? &k_sigact : NULL,
-                          oact ? &k_osigact : NULL);
+  result = INLINE_SYSCALL (sigaction, 3, sig,
+                          act ? __ptrvalue (&k_sigact) : NULL,
+                          oact ? __ptrvalue (&k_osigact) : NULL);
   if (oact && result >= 0)
     {
       oact->sa_handler = k_osigact.k_sa_handler;

diff --git a/sysdeps/unix/sysv/linux/m68k/chown.c b/sysdeps/unix/sysv/linux/m68k/chown.c
index 79701ee6ff8845f592bc4e07891cf1099a249f8e..e97c14834e423e0dbf7f89ba7752a50eeb850288 100644 (file)
--- a/sysdeps/unix/sysv/linux/m68k/chown.c
+++ b/sysdeps/unix/sysv/linux/m68k/chown.c
@@ -21,14 +21,15 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include <linux/posix_types.h>
 
-extern int __syscall_chown (const char *__file,
+extern int __syscall_chown (const char *__unbounded __file,
                            __kernel_uid_t __owner, __kernel_gid_t __group);
 
 #ifdef __NR_chown32
-extern int __syscall_chown32 (const char *__file,
+extern int __syscall_chown32 (const char *__unbounded __file,
                              __kernel_uid32_t owner, __kernel_gid32_t group);
 
 # if __ASSUME_32BITUIDS == 0
@@ -42,7 +43,7 @@ int
 __chown (const char *file, uid_t owner, gid_t group)
 {
 #if __ASSUME_32BITUIDS
-  return INLINE_SYSCALL (chown32, 3, file, owner, group);
+  return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
 #else
 # ifdef __NR_chown32
   if (__libc_missing_32bit_uids <= 0)
@@ -50,7 +51,7 @@ __chown (const char *file, uid_t owner, gid_t group)
       int result;
       int saved_errno = errno;
 
-      result = INLINE_SYSCALL (chown32, 3, file, owner, group);
+      result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
       if (result == 0 || errno != ENOSYS)
        return result;
 
@@ -66,7 +67,7 @@ __chown (const char *file, uid_t owner, gid_t group)
       return -1;
     }
 
-  return INLINE_SYSCALL (chown, 3, file, owner, group);
+  return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
 #endif
 }
 weak_alias (__chown, chown)

diff --git a/sysdeps/unix/sysv/linux/mips/pread.c b/sysdeps/unix/sysv/linux/mips/pread.c
index dd1e5d8a0567a3e4ca82567909e55f91b038fdfa..93f19f42376c63cd466751e10357a4c763c78745 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/pread.c
+++ b/sysdeps/unix/sysv/linux/mips/pread.c
@@ -23,6 +23,7 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include <kernel-features.h>
 
@@ -32,8 +33,8 @@
 static ssize_t __emulate_pread (int fd, void *buf, size_t count,
                                off_t offset) internal_function;
 # endif
-extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy,
-                               off_t offset_hi, off_t offset_lo);
+extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
+                               int dummy, off_t offset_hi, off_t offset_lo);
 
 
 
@@ -47,7 +48,7 @@ __libc_pread (fd, buf, count, offset)
   ssize_t result;
 
   /* First try the syscall.  */
-  result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0,
+  result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
                           __LONG_LONG_PAIR (0, offset));
 # if __ASSUME_PREAD_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)

diff --git a/sysdeps/unix/sysv/linux/mips/pread64.c b/sysdeps/unix/sysv/linux/mips/pread64.c
index 06a992e1cbd051421c7a11ee62956289d6799e92..6482ce45ade89b52ebbbb9ce0738ad14c28e0287 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/pread64.c
+++ b/sysdeps/unix/sysv/linux/mips/pread64.c
@@ -23,6 +23,7 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include <kernel-features.h>
 
@@ -33,8 +34,8 @@ static ssize_t __emulate_pread64 (int fd, void *buf, size_t count,
                                  off64_t offset) internal_function;
 # endif
 
-extern ssize_t __syscall_pread (int fd, void *buf, size_t count, int dummy,
-                               off_t offset_hi, off_t offset_lo);
+extern ssize_t __syscall_pread (int fd, void *__unbounded buf, size_t count,
+                               int dummy, off_t offset_hi, off_t offset_lo);
 
 
 
@@ -48,7 +49,7 @@ __libc_pread64 (fd, buf, count, offset)
   ssize_t result;
 
   /* First try the syscall.  */
-  result = INLINE_SYSCALL (pread, 6, fd, buf, count, 0,
+  result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
                           __LONG_LONG_PAIR ((off_t) (offset >> 32),
                                             (off_t) (offset & 0xffffffff)));
 # if __ASSUME_PREAD_SYSCALL == 0

diff --git a/sysdeps/unix/sysv/linux/mips/pwrite.c b/sysdeps/unix/sysv/linux/mips/pwrite.c
index b45bb84f4db0244ee763484d16870dc25cc3decd..8283896d1a7e94e1c4be3203aebffb80af4dded5 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/pwrite.c
+++ b/sysdeps/unix/sysv/linux/mips/pwrite.c
@@ -23,12 +23,13 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include <kernel-features.h>
 
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
-extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
+extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
                                 int dummy, off_t offset_hi, off_t offset_lo);
 
 # if __ASSUME_PWRITE_SYSCALL == 0
@@ -46,7 +47,7 @@ __libc_pwrite (fd, buf, count, offset)
   ssize_t result;
 
   /* First try the syscall.  */
-  result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0,
+  result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
                           __LONG_LONG_PAIR (0, offset));
 # if __ASSUME_PWRITE_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)

diff --git a/sysdeps/unix/sysv/linux/mips/pwrite64.c b/sysdeps/unix/sysv/linux/mips/pwrite64.c
index 04810645001ce29fbfe09adc4adf8724da2e4d9f..af07f608d2ed1215f626fb824b7a841942fa1eb7 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/pwrite64.c
+++ b/sysdeps/unix/sysv/linux/mips/pwrite64.c
@@ -23,12 +23,13 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include <kernel-features.h>
 
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
-extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
+extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
                                 int dummy, off_t offset_hi, off_t offset_lo);
 
 # if __ASSUME_PWRITE_SYSCALL == 0
@@ -46,7 +47,7 @@ __libc_pwrite64 (fd, buf, count, offset)
   ssize_t result;
 
   /* First try the syscall.  */
-  result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0,
+  result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
                           __LONG_LONG_PAIR ((off_t) (offset >> 32),
                                             (off_t) (offset & 0xffffffff)));
 # if __ASSUME_PWRITE_SYSCALL == 0

diff --git a/sysdeps/unix/sysv/linux/mips/truncate64.c b/sysdeps/unix/sysv/linux/mips/truncate64.c
index 7a446194d311bf8e766a4071db7c5b02fff58bc4..09a27556e530bf07b4bc07857451e4217d38c355 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/truncate64.c
+++ b/sysdeps/unix/sysv/linux/mips/truncate64.c
@@ -23,6 +23,7 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
 #include "kernel-features.h"
 
@@ -33,7 +34,7 @@ int __have_no_truncate64;
 #endif
 
 /* The order of hight, low depends on endianness.  */
-extern int __syscall_truncate64 (const char *path, int dummy,
+extern int __syscall_truncate64 (const char *__unbounded path, int dummy,
                                 int high_length, int low_length);
 
 
@@ -50,7 +51,7 @@ truncate64 (const char *path, off64_t length)
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
       int saved_errno = errno;
 #endif
-      int result = INLINE_SYSCALL (truncate64, 3, path, 0,
+      int result = INLINE_SYSCALL (truncate64, 3, CHECK_STRING (path), 0,
                                   __LONG_LONG_PAIR (high, low));
 #ifndef __ASSUME_TRUNCATE64_SYSCALL
       if (result != -1 || errno != ENOSYS)

diff --git a/sysdeps/unix/sysv/linux/mips/ustat.c b/sysdeps/unix/sysv/linux/mips/ustat.c
index 63eb68c602e819749f04b1b6f12058a1a4e508ea..2afc3e7ae106ed3d959490dbbd57795f322f71f4 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/ustat.c
+++ b/sysdeps/unix/sysv/linux/mips/ustat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -23,8 +23,9 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
-extern int __syscall_ustat (unsigned long dev, struct ustat *ubuf);
+extern int __syscall_ustat (unsigned long dev, struct ustat *__unbounded ubuf);
 
 int
 ustat (dev_t dev, struct ustat *ubuf)
@@ -34,5 +35,5 @@ ustat (dev_t dev, struct ustat *ubuf)
   /* We must convert the value to dev_t type used by the kernel.  */
   k_dev = ((major (dev) & 0xff) << 8) | (minor (dev) & 0xff);
 
-  return INLINE_SYSCALL (ustat, 2, k_dev, ubuf);
+  return INLINE_SYSCALL (ustat, 2, k_dev, CHECK_1 (ubuf));
 }

diff --git a/sysdeps/unix/sysv/linux/mips/xmknod.c b/sysdeps/unix/sysv/linux/mips/xmknod.c
index ba1b468b783c724ee22a180d4eb072803d982057..2fed00dbf6a6621db4beaee7ed151130fcf62090 100644 (file)
--- a/sysdeps/unix/sysv/linux/mips/xmknod.c
+++ b/sysdeps/unix/sysv/linux/mips/xmknod.c
@@ -1,5 +1,5 @@
 /* xmknod call using old-style Unix mknod system call.
-   Copyright (C) 1991, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+   Copyright (C) 1991, 93, 95, 96, 97, 98, 00 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -24,8 +24,9 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
-extern int __syscall_mknod (const char *, unsigned long, unsigned int);
+extern int __syscall_mknod (const char *__unbounded, unsigned long, unsigned int);
 
 /* Create a device file named PATH, with permission and special bits MODE
    and device number DEV (which can be constructed from major and minor
@@ -44,7 +45,7 @@ __xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
   /* We must convert the value to dev_t type used by the kernel.  */
   k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff);
 
-  return INLINE_SYSCALL (mknod, 3, path, mode, k_dev);
+  return INLINE_SYSCALL (mknod, 3, CHECK_STRING (path), mode, k_dev);
 }
 
 weak_alias (__xmknod, _xmknod)