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The main reason for this is to facilitate testing.
Avoid some /proc accesses entirely by using ps(1) (which can be
replaced by a stub when testing) because this script might as well be
more portable in case anyone wants to add lock debugging for a
non-Linux platform. While the "state" format specification isn't
POSIX-compliant, it works on both Linux and FreeBSD so it is a
reasonable improvement.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This conflicts with '--log-basename' from the commend cmdline parser.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
nt_name and comment are allocated via talloc_strdup(). Length
is not guaranteed to be sizeof(fstring) and so rather than use
fstrcpy into a possibly NULL buffer, free original string, then
talloc_strdup() the one provided to us.
Signed-off-by: Andrew Walker <awalker@ixsystems.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 27 22:07:45 UTC 2021 on sn-devel-184
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 27 19:51:57 UTC 2021 on sn-devel-184
Valgrind trace follows.
==3627798== Invalid read of size 1
==3627798== at 0x483FF46: strlen (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3627798== by 0x55DE412: strdup (strdup.c:41)
==3627798== by 0x4F4657E: smb_xstrdup (util.c:660)
==3627798== by 0x4C62C2E: vfs_ChDir (vfs.c:988)
==3627798== by 0x4C4A51C: process_symlink_open (open.c:656)
==3627798== by 0x4C4ADE7: non_widelink_open (open.c:862)
==3627798== by 0x4C4AFB7: fd_openat (open.c:918)
==3627798== by 0x4BBE895: openat_pathref_fsp (files.c:506)
==3627798== by 0x4C48A00: filename_convert_internal (filename.c:2027)
==3627798== by 0x4C48B77: filename_convert (filename.c:2067)
==3627798== by 0x4C32408: call_trans2qfilepathinfo (trans2.c:6173)
==3627798== by 0x4C3C5DA: handle_trans2 (trans2.c:10143)
==3627798== Address 0xda8bc90 is 96 bytes inside a block of size 217 free'd
==3627798== at 0x483DA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3627798== by 0x4FCA3C9: _tc_free_internal (talloc.c:1222)
==3627798== by 0x4FCA481: _talloc_free_internal (talloc.c:1248)
==3627798== by 0x4FCB825: _talloc_free (talloc.c:1792)
==3627798== by 0xDB248DD: store_cwd_data (vfs_shadow_copy2.c:1473)
==3627798== by 0xDB24BEF: shadow_copy2_chdir (vfs_shadow_copy2.c:1542)
==3627798== by 0x4C662A4: smb_vfs_call_chdir (vfs.c:2257)
==3627798== by 0x4C62B48: vfs_ChDir (vfs.c:940)
==3627798== by 0x4C4A51C: process_symlink_open (open.c:656)
==3627798== by 0x4C4ADE7: non_widelink_open (open.c:862)
==3627798== by 0x4C4AFB7: fd_openat (open.c:918)
==3627798== by 0x4BBE895: openat_pathref_fsp (files.c:506)
==3627798== Block was alloc'd at
==3627798== at 0x483C7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3627798== by 0x4FC9365: __talloc_with_prefix (talloc.c:783)
==3627798== by 0x4FC94FF: __talloc (talloc.c:825)
==3627798== by 0x4FCCFDC: __talloc_strlendup (talloc.c:2454)
==3627798== by 0x4FCD096: talloc_strdup (talloc.c:2470)
==3627798== by 0xDB24977: store_cwd_data (vfs_shadow_copy2.c:1476)
==3627798== by 0xDB24BEF: shadow_copy2_chdir (vfs_shadow_copy2.c:1542)
==3627798== by 0x4C662A4: smb_vfs_call_chdir (vfs.c:2257)
==3627798== by 0x4C62B48: vfs_ChDir (vfs.c:940)
==3627798== by 0x4C4A92D: non_widelink_open (open.c:755)
==3627798== by 0x4C4AFB7: fd_openat (open.c:918)
==3627798== by 0x4BBE895: openat_pathref_fsp (files.c:506)
==3627798==
Even though SMB_VFS_CONNECTPATH() returns a const char,
vfs_shadow_copy2() can free and reallocate this whilst
in use inside process_symlink_open().
Take a copy to make sure we don't reference free'd memory.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14721
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 27 17:25:43 UTC 2021 on sn-devel-184
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue May 25 01:14:09 UTC 2021 on sn-devel-184
The '-V' is already used for '-V|--version' in the common options.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The signing_state is correctly handled by --client-protection now!
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
