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Jaegeuk Kim 5036fcd9b1 f2fs: sanity check of xattr entry size 
commit 64beba0558 upstream.

There is a security report where f2fs_getxattr() has a hole to expose wrong
memory region when the image is malformed like this.

f2fs_getxattr: entry->e_name_len: 4, size: 12288, buffer_size: 16384, len: 4

Cc: <stable@vger.kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-09 17:38:46 +01:00
..
acl.c posix_acl: convert posix_acl.a_refcount from atomic_t to refcount_t 2018-01-02 19:27:28 -08:00
acl.h f2fs: remove dead code f2fs_check_acl 2016-09-14 16:52:36 -07:00
checkpoint.c f2fs: fix to flush all dirty inodes recovered in readonly fs 2018-11-13 11:08:38 -08:00
data.c f2fs: fix to account IO correctly 2018-11-13 11:08:39 -08:00
debug.c f2fs: Allocate and stat mem used by free nid bitmap more accurately 2018-07-28 18:23:26 -07:00
dir.c f2fs: rework fault injection handling to avoid a warning 2018-08-14 09:49:15 -07:00
extent_cache.c f2fs: avoid sleeping under spin_lock 2018-11-13 11:08:37 -08:00
f2fs.h f2fs: fix to flush all dirty inodes recovered in readonly fs 2018-11-13 11:08:38 -08:00
file.c f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc 2018-08-20 23:13:42 -07:00
gc.c f2fs: readahead encrypted block during GC 2018-08-20 23:13:42 -07:00
gc.h f2fs: introduce sbi->gc_mode to determine the policy 2018-05-31 11:31:51 -07:00
hash.c f2fs: check entire encrypted bigname when finding a dentry 2017-05-04 11:44:35 -04:00
inline.c f2fs: fix to propagate error from __get_meta_page() 2018-08-01 11:52:36 -07:00
inode.c f2fs: fix to recover cold bit of inode block during POR 2018-11-13 11:08:39 -08:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -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 f2fs: Replace strncpy with memcpy 2018-07-28 18:26:08 -07:00
node.c f2fs: read page index before freeing 2019-01-09 17:38:46 +01:00
node.h f2fs: let checkpoint flush dnode page of regular 2018-08-01 11:52:36 -07:00
recovery.c f2fs: fix to flush all dirty inodes recovered in readonly fs 2018-11-13 11:08:38 -08:00
segment.c f2fs: readahead encrypted block during GC 2018-08-20 23:13:42 -07:00
segment.h f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc 2018-08-20 23:13:42 -07:00
shrinker.c f2fs: clean up symbol namespace 2018-05-31 11:31:53 -07:00
super.c f2fs: fix validation of the block count in sanity_check_raw_super 2019-01-09 17:38:46 +01:00
sysfs.c f2fs: fix performance issue observed with multi-thread sequential read 2018-08-20 23:13:42 -07:00
trace.c f2fs: fix potential hangtask in f2fs_trace_pid 2018-01-02 19:27:30 -08:00
trace.h f2fs: add sbi and page pointer in f2fs_io_info 2015-05-28 15:41:32 -07:00
xattr.c f2fs: sanity check of xattr entry size 2019-01-09 17:38:46 +01:00
xattr.h f2fs: guard macro variables with braces 2017-04-10 19:48:10 -07:00