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71755ee535
linux/fs/squashfs
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Linus Torvalds 71755ee535 squashfs: more metadata hardening 
The squashfs fragment reading code doesn't actually verify that the
fragment is inside the fragment table.  The end result _is_ verified to
be inside the image when actually reading the fragment data, but before
that is done, we may end up taking a page fault because the fragment
table itself might not even exist.

Another report from Anatoly and his endless squashfs image fuzzing.

Reported-by: Анатолий Тросиненко <anatoly.trosinenko@gmail.com>
Acked-by:: Phillip Lougher <phillip.lougher@gmail.com>,
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-02 09:32:23 -07:00
..
block.c squashfs: more metadata hardening 2018-07-30 17:29:17 -07:00
cache.c squashfs: be more careful about metadata corruption 2018-07-29 12:44:46 -07:00
decompressor_multi_percpu.c
decompressor_multi.c
decompressor_single.c
decompressor.c squashfs: Add zstd support 2017-09-08 19:33:25 -07:00
decompressor.h squashfs: Add zstd support 2017-09-08 19:33:25 -07:00
dir.c romfs, squashfs: switch to ->iterate_shared() 2016-05-09 11:41:15 -04:00
export.c
file_cache.c
file_direct.c squashfs metadata 2: electric boogaloo 2018-08-01 10:38:43 -07:00
file.c squashfs metadata 2: electric boogaloo 2018-08-01 10:38:43 -07:00
fragment.c squashfs: more metadata hardening 2018-08-02 09:32:23 -07:00
id.c
inode.c vfs: Remove {get,set,remove}xattr inode operations 2016-10-07 21:48:36 -04:00
Kconfig squashfs: Add zstd support 2017-09-08 19:33:25 -07:00
lz4_wrapper.c fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version 2017-02-24 17:46:57 -08:00
lzo_wrapper.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c vfs: Remove {get,set,remove}xattr inode operations 2016-10-07 21:48:36 -04:00
page_actor.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
page_actor.h mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
squashfs_fs_i.h
squashfs_fs_sb.h squashfs: more metadata hardening 2018-08-02 09:32:23 -07:00
squashfs_fs.h squashfs: be more careful about metadata corruption 2018-07-29 12:44:46 -07:00
squashfs.h squashfs metadata 2: electric boogaloo 2018-08-01 10:38:43 -07:00
super.c squashfs: more metadata hardening 2018-08-02 09:32:23 -07:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
xattr_id.c
xattr.c xattr_handler: pass dentry and inode as separate arguments of ->get() 2016-04-10 20:48:24 -04:00
xattr.h vfs: Remove {get,set,remove}xattr inode operations 2016-10-07 21:48:36 -04:00
xz_wrapper.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
zlib_wrapper.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
zstd_wrapper.c squashfs: Add zstd support 2017-09-08 19:33:25 -07:00