Joseph Sutton [Tue, 27 Sep 2022 01:49:00 +0000 (14:49 +1300)]
s4-dsdb: Use a raw python string to avoid creating and invalid escape sequence
While the invalid escape sequence worked and was passed to the LDB
layer for it's use, linting tools will complain so we should not do
this. We don't want to get caught out when a future python version
becomes more strict.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Oct 20 05:00:23 UTC 2022 on sn-devel-184
Joseph Sutton [Mon, 3 Oct 2022 23:25:08 +0000 (12:25 +1300)]
tests/krb5: Add test requesting a service ticket expiring post-2038
Windows 11 22H2 performs such requests, with year 9999.
The test fails with KDC_ERR_BAD_INTEGRITY on older
Heimdal versions, which are unable to verify a checksum
over the modified request body (due to a re-encoding failure).
s4:ldap_server: let ldapsrv_call_writev_start use conn_idle_time to limit the time
If the client is not able to receive the results within connections idle
time, then we should treat it as dead. It's value is 15 minutes (900 s)
by default.
In order to limit that further an admin can use 'socket options'
and set TCP_KEEPCNT, TCP_KEEPIDLE, TCP_KEEPINTVL and/or TCP_USER_TIMEOUT
to useful values.
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 19 17:13:39 UTC 2022 on sn-devel-184
lib/tsocket: avoid endless cpu-spinning in tstream_bsd_fde_handler()
There were some reports that strace output an LDAP server socket is in
CLOSE_WAIT state, returning EAGAIN for writev over and over (after a call to
epoll() each time).
In the tstream_bsd code the problem happens when we have a pending
writev_send, while there's no readv_send pending. In that case
we still ask for TEVENT_FD_READ in order to notice connection errors
early, so we try to call writev even if the socket doesn't report TEVENT_FD_WRITE.
And there are situations where we do that over and over again.
It happens like this with a Linux kernel:
tcp_fin() has this:
struct tcp_sock *tp = tcp_sk(sk);
So we'll get EPOLLIN | EPOLLRDNORM | EPOLLRDHUP triggering
TEVENT_FD_READ and writev/sendmsg keeps getting EAGAIN.
So we need to always clear TEVENT_FD_READ if we don't
have readable handler in order to avoid burning cpu.
But we turn it on again after a timeout of 1 second
in order to monitor the error state of the connection.
And now that our tsocket_bsd_error() helper checks for POLLRDHUP,
we can check if the socket is in an error state before calling the
writable handler when TEVENT_FD_READ was reported.
Only on error we'll call the writable handler, which will pick
the error without calling writev().
Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Pavel Filipenský <pfilipensky@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Oct 19 00:13:56 UTC 2022 on sn-devel-184
Signed-off-by: Noel Power <noel.power@suse.com> Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Oct 17 19:49:37 UTC 2022 on sn-devel-184
every time after a VFS change. I can't focus on the scripting right
now, so just fix it manually.
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Oct 14 17:58:56 UTC 2022 on sn-devel-184
Noel Power [Fri, 14 Oct 2022 10:53:53 +0000 (11:53 +0100)]
s4/lib/registry: Fix use after free with popt 1.19
popt1.19 fixes a leak that exposes a use as free,
make sure we duplicate return of poptGetArg if
poptFreeContext is called before we use it.
==6357== Command: ./bin/regpatch file
==6357==
Can't load /home/npower/samba-back/INSTALL_DIR/etc/smb.conf - run testparm to debug it
==6357== Syscall param openat(filename) points to unaddressable byte(s)
==6357== at 0x4BFE535: open (in /usr/lib64/libc.so.6)
==6357== by 0x4861432: reg_diff_load (patchfile.c:345)
==6357== by 0x4861CD3: reg_diff_apply (patchfile.c:542)
==6357== by 0x10ADF9: main (regpatch.c:114)
==6357== Address 0x70f79d0 is 0 bytes inside a block of size 5 free'd
==6357== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF38B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x4AF45D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ADCF: main (regpatch.c:111)
==6357== Block was alloc'd at
==6357== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF52EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ACBD: main (regpatch.c:79)
==6357==
==6357== Invalid read of size 1
==6357== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4B5D50F: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4B7E719: __vasprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4AD32F0: __dbgtext_va (debug.c:1904)
==6357== by 0x4AD33F2: dbgtext (debug.c:1925)
==6357== by 0x4861515: reg_diff_load (patchfile.c:353)
==6357== by 0x4861CD3: reg_diff_apply (patchfile.c:542)
==6357== by 0x10ADF9: main (regpatch.c:114)
==6357== Address 0x70f79d0 is 0 bytes inside a block of size 5 free'd
==6357== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF38B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x4AF45D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ADCF: main (regpatch.c:111)
==6357== Block was alloc'd at
==6357== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF52EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ACBD: main (regpatch.c:79)
==6357==
==6357== Invalid read of size 1
==6357== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4B5D50F: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4B7E719: __vasprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4AD32F0: __dbgtext_va (debug.c:1904)
==6357== by 0x4AD33F2: dbgtext (debug.c:1925)
==6357== by 0x4861515: reg_diff_load (patchfile.c:353)
==6357== by 0x4861CD3: reg_diff_apply (patchfile.c:542)
==6357== by 0x10ADF9: main (regpatch.c:114)
==6357== Address 0x70f79d1 is 1 bytes inside a block of size 5 free'd
==6357== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF38B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x4AF45D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ADCF: main (regpatch.c:111)
==6357== Block was alloc'd at
==6357== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF52EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ACBD: main (regpatch.c:79)
==6357==
==6357== Invalid read of size 1
==6357== at 0x4B83DD0: _IO_default_xsputn (in /usr/lib64/libc.so.6)
==6357== by 0x4B5D39E: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4B7E719: __vasprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4AD32F0: __dbgtext_va (debug.c:1904)
==6357== by 0x4AD33F2: dbgtext (debug.c:1925)
==6357== by 0x4861515: reg_diff_load (patchfile.c:353)
==6357== by 0x4861CD3: reg_diff_apply (patchfile.c:542)
==6357== by 0x10ADF9: main (regpatch.c:114)
==6357== Address 0x70f79d0 is 0 bytes inside a block of size 5 free'd
==6357== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF38B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x4AF45D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ADCF: main (regpatch.c:111)
==6357== Block was alloc'd at
==6357== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF52EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ACBD: main (regpatch.c:79)
==6357==
==6357== Invalid read of size 1
==6357== at 0x4B83DDF: _IO_default_xsputn (in /usr/lib64/libc.so.6)
==6357== by 0x4B5D39E: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4B7E719: __vasprintf_internal (in /usr/lib64/libc.so.6)
==6357== by 0x4AD32F0: __dbgtext_va (debug.c:1904)
==6357== by 0x4AD33F2: dbgtext (debug.c:1925)
==6357== by 0x4861515: reg_diff_load (patchfile.c:353)
==6357== by 0x4861CD3: reg_diff_apply (patchfile.c:542)
==6357== by 0x10ADF9: main (regpatch.c:114)
==6357== Address 0x70f79d2 is 2 bytes inside a block of size 5 free'd
==6357== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF38B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x4AF45D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ADCF: main (regpatch.c:111)
==6357== Block was alloc'd at
==6357== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6357== by 0x4AF52EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6357== by 0x10ACBD: main (regpatch.c:79)
==6357==
Error reading registry patch file `file'
Signed-off-by: Noel Power <noel.power@suse.com> Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Oct 14 13:38:55 UTC 2022 on sn-devel-184
Noel Power [Fri, 14 Oct 2022 10:45:13 +0000 (11:45 +0100)]
s3/utils: Fix use after free with popt 1.19
popt1.19 fixes a leak that exposes a use as free,
make sure we duplicate return of poptGetArg if
poptFreeContext is called before we use it.
==6055== Command: ./bin/testparm /etc/samba/smb.conf
==6055==
==6055== Invalid read of size 1
==6055== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4C1E50F: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6055== by 0x4C1EB74: buffered_vfprintf (in /usr/lib64/libc.so.6)
==6055== by 0x4C119E9: fprintf (in /usr/lib64/libc.so.6)
==6055== by 0x10EBFA: main (testparm.c:862)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4C1E50F: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6055== by 0x4C1EB74: buffered_vfprintf (in /usr/lib64/libc.so.6)
==6055== by 0x4C119E9: fprintf (in /usr/lib64/libc.so.6)
==6055== by 0x10EBFA: main (testparm.c:862)
==6055== Address 0x72dab71 is 1 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4C44DD0: _IO_default_xsputn (in /usr/lib64/libc.so.6)
==6055== by 0x4C1E39E: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6055== by 0x4C1EB74: buffered_vfprintf (in /usr/lib64/libc.so.6)
==6055== by 0x4C119E9: fprintf (in /usr/lib64/libc.so.6)
==6055== by 0x10EBFA: main (testparm.c:862)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4C44DDF: _IO_default_xsputn (in /usr/lib64/libc.so.6)
==6055== by 0x4C1E39E: __vfprintf_internal (in /usr/lib64/libc.so.6)
==6055== by 0x4C1EB74: buffered_vfprintf (in /usr/lib64/libc.so.6)
==6055== by 0x4C119E9: fprintf (in /usr/lib64/libc.so.6)
==6055== by 0x10EBFA: main (testparm.c:862)
==6055== Address 0x72dab72 is 2 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
Load smb config files from /etc/samba/smb.conf
==6055== Invalid read of size 1
==6055== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927E1C: talloc_strdup (talloc.c:2470)
==6055== by 0x48B5D37: talloc_sub_basic (substitute.c:303)
==6055== by 0x4889B98: lp_load_ex (loadparm.c:4004)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927E1C: talloc_strdup (talloc.c:2470)
==6055== by 0x48B5D37: talloc_sub_basic (substitute.c:303)
==6055== by 0x4889B98: lp_load_ex (loadparm.c:4004)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab71 is 1 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 8
==6055== at 0x484D3AE: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x48B5D37: talloc_sub_basic (substitute.c:303)
==6055== by 0x4889B98: lp_load_ex (loadparm.c:4004)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 2
==6055== at 0x484D400: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x48B5D37: talloc_sub_basic (substitute.c:303)
==6055== by 0x4889B98: lp_load_ex (loadparm.c:4004)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab80 is 16 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x484D430: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x48B5D37: talloc_sub_basic (substitute.c:303)
==6055== by 0x4889B98: lp_load_ex (loadparm.c:4004)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab82 is 18 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927E1C: talloc_strdup (talloc.c:2470)
==6055== by 0x4B5974B: add_to_file_list (loadparm.c:1023)
==6055== by 0x4889BD4: lp_load_ex (loadparm.c:4011)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927E1C: talloc_strdup (talloc.c:2470)
==6055== by 0x4B5974B: add_to_file_list (loadparm.c:1023)
==6055== by 0x4889BD4: lp_load_ex (loadparm.c:4011)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab71 is 1 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 8
==6055== at 0x484D3AE: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x4B5974B: add_to_file_list (loadparm.c:1023)
==6055== by 0x4889BD4: lp_load_ex (loadparm.c:4011)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab70 is 0 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 2
==6055== at 0x484D400: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x4B5974B: add_to_file_list (loadparm.c:1023)
==6055== by 0x4889BD4: lp_load_ex (loadparm.c:4011)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab80 is 16 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
==6055== Invalid read of size 1
==6055== at 0x484D430: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4927DC2: __talloc_strlendup (talloc.c:2457)
==6055== by 0x4927E32: talloc_strdup (talloc.c:2470)
==6055== by 0x4B5974B: add_to_file_list (loadparm.c:1023)
==6055== by 0x4889BD4: lp_load_ex (loadparm.c:4011)
==6055== by 0x488A29E: lp_load_with_registry_shares (loadparm.c:4237)
==6055== by 0x10EC06: main (testparm.c:864)
==6055== Address 0x72dab82 is 18 bytes inside a block of size 20 free'd
==6055== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB28B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x4BB35D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EBAC: main (testparm.c:854)
==6055== Block was alloc'd at
==6055== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==6055== by 0x4BB42EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==6055== by 0x10EB2E: main (testparm.c:830)
==6055==
Noel Power [Fri, 14 Oct 2022 10:35:51 +0000 (11:35 +0100)]
s3/utils: Fix use after free with popt 1.19
popt1.19 fixes a leak that exposes a use as free,
make sure we duplicate return of poptGetArg if
poptFreeContext is called before we use it.
==5914== Invalid read of size 1
==5914== at 0x4FDF740: strlcpy (in /usr/lib64/libbsd.so.0.11.6)
==5914== by 0x49E09A9: tdbsam_getsampwnam (pdb_tdb.c:583)
==5914== by 0x49D94E5: pdb_getsampwnam (pdb_interface.c:340)
==5914== by 0x10DED1: print_user_info (pdbedit.c:372)
==5914== by 0x111413: main (pdbedit.c:1324)
==5914== Address 0x73b6750 is 0 bytes inside a block of size 7 free'd
==5914== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5914== by 0x4C508B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5914== by 0x4C515D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5914== by 0x1113E6: main (pdbedit.c:1323)
==5914== Block was alloc'd at
==5914== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5914== by 0x4C522EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5914== by 0x110AE5: main (pdbedit.c:1137)
==5914==
Noel Power [Fri, 14 Oct 2022 10:23:37 +0000 (11:23 +0100)]
s3/param: Fix use after free with popt-1.19
popt1.19 fixes a leak that exposes a use as free,
make sure we duplicate return of poptGetArg if
poptFreeContext is called before we use it.
==5325== Invalid read of size 1
==5325== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859E1C: talloc_strdup (talloc.c:2470)
==5325== by 0x48C0D37: talloc_sub_basic (substitute.c:303)
==5325== by 0x4894B98: lp_load_ex (loadparm.c:4004)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b0 is 0 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 1
==5325== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859E1C: talloc_strdup (talloc.c:2470)
==5325== by 0x48C0D37: talloc_sub_basic (substitute.c:303)
==5325== by 0x4894B98: lp_load_ex (loadparm.c:4004)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b1 is 1 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 8
==5325== at 0x484D3AE: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x48C0D37: talloc_sub_basic (substitute.c:303)
==5325== by 0x4894B98: lp_load_ex (loadparm.c:4004)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b0 is 0 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 2
==5325== at 0x484D400: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x48C0D37: talloc_sub_basic (substitute.c:303)
==5325== by 0x4894B98: lp_load_ex (loadparm.c:4004)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8c0 is 16 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 1
==5325== at 0x484D430: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x48C0D37: talloc_sub_basic (substitute.c:303)
==5325== by 0x4894B98: lp_load_ex (loadparm.c:4004)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8c2 is 18 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 1
==5325== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859E1C: talloc_strdup (talloc.c:2470)
==5325== by 0x4B3B74B: add_to_file_list (loadparm.c:1023)
==5325== by 0x4894BD4: lp_load_ex (loadparm.c:4011)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b0 is 0 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 1
==5325== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859E1C: talloc_strdup (talloc.c:2470)
==5325== by 0x4B3B74B: add_to_file_list (loadparm.c:1023)
==5325== by 0x4894BD4: lp_load_ex (loadparm.c:4011)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b1 is 1 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 8
==5325== at 0x484D3AE: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x4B3B74B: add_to_file_list (loadparm.c:1023)
==5325== by 0x4894BD4: lp_load_ex (loadparm.c:4011)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8b0 is 0 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 2
==5325== at 0x484D400: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x4B3B74B: add_to_file_list (loadparm.c:1023)
==5325== by 0x4894BD4: lp_load_ex (loadparm.c:4011)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8c0 is 16 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
==5325== Invalid read of size 1
==5325== at 0x484D430: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4859DC2: __talloc_strlendup (talloc.c:2457)
==5325== by 0x4859E32: talloc_strdup (talloc.c:2470)
==5325== by 0x4B3B74B: add_to_file_list (loadparm.c:1023)
==5325== by 0x4894BD4: lp_load_ex (loadparm.c:4011)
==5325== by 0x489529E: lp_load_with_registry_shares (loadparm.c:4237)
==5325== by 0x10ABD7: main (test_lp_load.c:98)
==5325== Address 0x72da8c2 is 18 bytes inside a block of size 20 free'd
==5325== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B8F8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x4B905D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB8E: main (test_lp_load.c:90)
==5325== Block was alloc'd at
==5325== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==5325== by 0x4B912EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==5325== by 0x10AB49: main (test_lp_load.c:74)
==5325==
Noel Power [Fri, 14 Oct 2022 09:03:17 +0000 (10:03 +0100)]
s3/rpcclient: Duplicate string returned from poptGetArg
popt1.19 fixes a leak that exposes a use as free,
make sure we duplicate return of poptGetArg if
poptFreeContext is called before we use it.
==4407== Invalid read of size 1
==4407== at 0x146263: main (rpcclient.c:1262)
==4407== Address 0x7b67cd0 is 0 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
==4407==
==4407== Invalid read of size 1
==4407== at 0x14627D: main (rpcclient.c:1263)
==4407== Address 0x7b67cd0 is 0 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
==4407==
==4407== Invalid read of size 1
==4407== at 0x4849782: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x4980E1C: talloc_strdup (talloc.c:2470)
==4407== by 0x488CD96: dcerpc_parse_binding (binding.c:320)
==4407== by 0x1462B1: main (rpcclient.c:1267)
==4407== Address 0x7b67cd0 is 0 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
==4407==
==4407== Invalid read of size 1
==4407== at 0x4849794: strlen (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x4980E1C: talloc_strdup (talloc.c:2470)
==4407== by 0x488CD96: dcerpc_parse_binding (binding.c:320)
==4407== by 0x1462B1: main (rpcclient.c:1267)
==4407== Address 0x7b67cd1 is 1 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
==4407==
==4407== Invalid read of size 8
==4407== at 0x484D3AE: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x4980DC2: __talloc_strlendup (talloc.c:2457)
==4407== by 0x4980E32: talloc_strdup (talloc.c:2470)
==4407== by 0x488CD96: dcerpc_parse_binding (binding.c:320)
==4407== by 0x1462B1: main (rpcclient.c:1267)
==4407== Address 0x7b67cd0 is 0 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
==4407==
==4407== Invalid read of size 1
==4407== at 0x484D430: memmove (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x4980DC2: __talloc_strlendup (talloc.c:2457)
==4407== by 0x4980E32: talloc_strdup (talloc.c:2470)
==4407== by 0x488CD96: dcerpc_parse_binding (binding.c:320)
==4407== by 0x1462B1: main (rpcclient.c:1267)
==4407== Address 0x7b67cd8 is 8 bytes inside a block of size 10 free'd
==4407== at 0x484617B: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B2E8B8: poptResetContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x5B2F5D4: poptFreeContext (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x146227: main (rpcclient.c:1251)
==4407== Block was alloc'd at
==4407== at 0x48437B4: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so)
==4407== by 0x5B302EE: poptGetNextOpt (in /usr/lib64/libpopt.so.0.0.2)
==4407== by 0x1461BC: main (rpcclient.c:1219)
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Oct 13 13:32:30 UTC 2022 on sn-devel-184
We often create imessaging contexts just for sending messages,
but we'll never process incoming messages because a temporary event
context was used and we just queue a lot of imessaging_post_state
structures with immediate events.
With imessaging_init_discard_incoming() we'll discard any incoming messages
unless we have pending irpc requests.
Anoop C S [Thu, 13 Oct 2022 10:24:10 +0000 (15:54 +0530)]
vfs_glusterfs: Add path based fallback mechanism for SMB_VFS_FNTIMES
Fallback mechanism was missing in vfs_gluster_fntimes() for path based
call. Therefore adding a similar mechanism as seen with other calls like
vfs_gluster_fsetxattr, vfs_gluster_fgetxattr etc.
smbXsrv_client: handle NAME_NOT_FOUND from smb2srv_client_connection_{pass,drop}()
If we get NT_STATUS_OBJECT_NOT_FOUND from smb2srv_client_connection_{pass,drop}()
we should just keep the connection and overwrite the stale record in
smbXsrv_client_global.tdb. It's basically a race with serverid_exists()
and a process that doesn't cleanly teardown.
smbXsrv_client: call smb2srv_client_connection_{pass,drop}() before dbwrap_watched_watch_send()
dbwrap_watched_watch_send() should typically be the last thing to call
before the db record is unlocked, as it's not that easy to undo.
In future we want to recover from smb2srv_client_connection_{pass,drop}()
returning NT_STATUS_OBJECT_NAME_NOT_FOUND and it would add complexity if
would need to undo dbwrap_watched_watch_send() at that point.
smbXsrv_client: ignore NAME_NOT_FOUND from smb2srv_client_connection_passed
If we hit a race, when a client disconnects the connection after the initial
SMB2 Negotiate request, before the connection is completely passed to
process serving the given client guid, the temporary smbd which accepted the
new connection may already detected the disconnect and exitted before
the long term smbd servicing the client guid was able to send the
MSG_SMBXSRV_CONNECTION_PASSED message.
and all connections belonging to the client guid were dropped,
because we called exit_server_cleanly().
Now we ignore NT_STATUS_OBJECT_NAME_NOT_FOUND from
smb2srv_client_connection_passed() and let the normal
event loop detect the broken connection, so that only
that connection is terminated (not the whole smbd process).
It was unnecessary to construct full directory path as "dir/." which is
same as "dir". We could just directly use fsp->fsp_name->base_name and
return directory stream obtained from glfs_opendir().
Signed-off-by: Anoop C S <anoopcs@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Oct 12 12:48:50 UTC 2022 on sn-devel-184
Anoop C S [Mon, 10 Oct 2022 14:59:13 +0000 (20:29 +0530)]
vfs_glusterfs: Add path based fallback mechanism for SMB_VFS_FGETXATTR
Fallback mechanism was missing in vfs_gluster_fgetxattr() for path based
call. Therefore adding a similar mechanism as seen with other calls like
vfs_gluster_fsetxattr, vfs_gluster_flistxattr etc.
Anoop C S [Tue, 11 Oct 2022 17:57:37 +0000 (23:27 +0530)]
vfs_glusterfs: Do not use glfs_fgetxattr() for SMB_VFS_GET_REAL_FILENAME_AT
glfs_fgetxattr() or generally fgetxattr() will return EBADF as dirfsp
here is a pathref fsp. GlusterFS client log had following entries
indicating the error:
It was unnecessary to construct full directory path as "dir/." which is
same as "dir". We could just directly use dirfsp->fsp_name->base_name
for glfs_getxattr() and return the result.
Björn Jacke [Sun, 25 Sep 2022 13:56:56 +0000 (15:56 +0200)]
docs-xml: some fixes to acl parameter documentation
Signed-off-by: Bjoern Jacke <bjacke@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Oct 6 23:04:51 UTC 2022 on sn-devel-184
For type == ADOUBLE_META, fio->fake_fd is true so
writes are already synchronous, just call tevent_req_post().
For type == ADOUBLE_RSRC we know we are configured
with FRUIT_RSRC_ADFILE (because fruit_must_handle_aio_stream()
returned true), so we can just call SMB_VFS_NEXT_FSYNC_SEND()
after replacing fsp with fio->ad_fsp.
If you happen to talloc_free(run_ctx) before all the tevent_req's
hanging off it, you run into the following:
==495196== Invalid read of size 8
==495196== at 0x10D757: run_proc_state_destructor (run_proc.c:413)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x48538B1: tevent_req_received (tevent_req.c:293)
==495196== by 0x4853429: tevent_req_destructor (tevent_req.c:129)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x4890AF6: _tc_free_children_internal (talloc.c:1669)
==495196== by 0x488F967: _tc_free_internal (talloc.c:1184)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Address 0x55b77f8 is 152 bytes inside a block of size 160 free'd
==495196== at 0x48399AB: free (vg_replace_malloc.c:538)
==495196== by 0x488FB25: _tc_free_internal (talloc.c:1222)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10D315: run_proc_context_destructor (run_proc.c:329)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Block was alloc'd at
==495196== at 0x483877F: malloc (vg_replace_malloc.c:307)
==495196== by 0x488EAD9: __talloc_with_prefix (talloc.c:783)
==495196== by 0x488EC73: __talloc (talloc.c:825)
==495196== by 0x488F0FC: _talloc_named_const (talloc.c:982)
==495196== by 0x48925B1: _talloc_zero (talloc.c:2421)
==495196== by 0x10C8F2: proc_new (run_proc.c:61)
==495196== by 0x10D4C9: run_proc_send (run_proc.c:381)
==495196== by 0x10DDF6: main (run_proc_test.c:79)
This happens because run_proc_context_destructor() directly does a
talloc_free() on the struct proc_context's and not the enclosing
tevent_req's. run_proc_kill() makes sure that we don't follow
proc->req, but it forgets the "state->proc", which is free()'ed, but
later dereferenced in run_proc_state_destructor().
This is an attempt at a quick fix, I believe we should convert
run_proc_context->plist into an array of tevent_req's, so that we can
properly TALLOC_FREE() according to the "natural" hierarchy and not
just pull an arbitrary thread out of that heap.
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Oct 6 15:10:20 UTC 2022 on sn-devel-184
Anoop C S [Mon, 3 Oct 2022 10:06:13 +0000 (15:36 +0530)]
vfs_glusterfs: Remove special handling of O_CREAT flag
Special handling of O_CREAT flag in SMB_VFS_OPENAT code path was the
only option to ensure correctness due to a bug in libgfapi as detailed
in issue #3838[1] from GlusterFS upstream. This has been fixed recently
so that O_CREAT is handled correctly within glfs_openat() enbaling us to
remove the corresponding special case from vfs_gluster_openat().
Signed-off-by: Anoop C S <anoopcs@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Oct 6 08:34:56 UTC 2022 on sn-devel-184
Joseph Sutton [Thu, 22 Sep 2022 22:41:32 +0000 (10:41 +1200)]
pyldb: Fix typos in function names
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Oct 5 05:23:50 UTC 2022 on sn-devel-184
Joseph Sutton [Sat, 24 Sep 2022 00:25:10 +0000 (12:25 +1200)]
s4:kdc: Don't copy data for empty PAC buffer
Heimdal's 'data->length > 0' assertion in krb5_pac_add_buffer() is gone
as of f33f73f82fb2d5d96928ce5910e2d0d939c2ff57, so we no longer need to
specify a non-zero length.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Joseph Sutton [Fri, 6 May 2022 02:58:52 +0000 (14:58 +1200)]
tests/krb5: Make use of client_opts for TGS-REQs
Previously we would ignore 'client_opts' and always use the same user
and machine accounts for TGS-REQs. Use 'client_opts' and add a new
'armor_opts' parameter for specifying options of the armoring account.
Furthermore, our test-specific ticket caching is no longer of use, for
get_tgt() and get_service_ticket() now implement ticket caching. Remove
it and eliminate the possibility of mistakenly using stale tickets.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Douglas Bagnall [Fri, 23 Sep 2022 00:32:25 +0000 (12:32 +1200)]
CVE-2007-4559 python: ensure sanity in our tarfiles
Python's tarfile module is not very careful about paths that step out
of the target directory. We can be a bit better at little cost.
This was reported in 2007[1], and has recently been publicised [2, for
example].
We were informed of this bug in December 2021 by Luis Alberto López
Alvar, but decided then that there were no circumstances under which
this was a security concern. That is, if you can alter the backup
files, you can already do worse things. But there is a case to guard
against an administrator being tricked into trying to restore a file
that isn't based on a real backup.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Oct 4 03:48:43 UTC 2022 on sn-devel-184
samba-tool: Use authentication file to pass credentials
In order not to pass credentials in clear-text directly over command line, this is a patch to store username/password/domain in a file and use it during domain join for example.
Signed-off-by: Nikola Radovanovic <radovanovic.extern@univention.de> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Andrew Bartlett [Thu, 15 Sep 2022 05:10:24 +0000 (17:10 +1200)]
python-drs: Add client-side debug and fallback for GET_ANC
Samba 4.5 and earlier will fail to do GET_ANC correctly and will not
replicate non-critical parents of objects with isCriticalSystemObject=TRUE
when DRSUAPI_DRS_CRITICAL_ONLY is set.
The chgdcpass server now emulates older verions of Samba that
fail to implement DRSUAPI_DRS_GET_ANC correctly and totally fails to support
DRSUAPI_DRS_GET_TGT.
We now show this is in effect by the fact that tests now fail.
This emulates older verions of Samba that fail to implement
DRSUAPI_DRS_GET_ANC correctly and totally fails to support
DRSUAPI_DRS_GET_TGT.
This will allow testing of a client-side fallback, allowing migration
from sites that run very old Samba versions over DRSUAPI (currently
the only option is to attempt an in-place upgrade).
Andrew Bartlett [Thu, 29 Sep 2022 03:05:03 +0000 (03:05 +0000)]
selftest: Add tests for GetNCChanges GET_ANC using samba-tool drs clone-dc-database
This test, compared with the direct to RPC tests, will succeed, then fail once the
server is changed to emulate Samba 4.5 and and again succeed once the python code
changes to allow skipping the DRSUAPI_DRS_CRITICAL_ONLY step