Cong Wang 436188eb04 9p: fix a potential acl leak ...

commit b5c66bab72 upstream.

posix_acl_update_mode() could possibly clear 'acl', if so we leak the
memory pointed by 'acl'.  Save this pointer before calling
posix_acl_update_mode() and release the memory if 'acl' really gets
cleared.

Link: http://lkml.kernel.org/r/1486678332-2430-1-git-send-email-xiyou.wangcong@gmail.com
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reported-by: Mark Salyzyn <salyzyn@android.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Greg Kurz <groug@kaod.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-05-14 13:32:54 +02:00

..

acl.c

9p: fix a potential acl leak

2017-05-14 13:32:54 +02:00

acl.h

…

cache.c

9p: remove unused 'p9_fid' struct pointer

2013-11-23 16:10:31 -06:00

cache.h

fs: 9p: cache.h: Add #define of include guard

2015-11-11 02:19:50 -05:00

fid.c

9p: switch to %p[dD]

2014-10-09 02:39:04 -04:00

fid.h

…

Kconfig

fs/9p: xattr: add trusted and security namespaces

2013-07-07 22:02:18 -05:00

Makefile

9p: xattr simplifications

2015-11-13 20:34:33 -05:00

v9fs_vfs.h

9p: switch p9_client_read() to passing struct iov_iter *

2015-04-11 22:28:27 -04:00

v9fs.c

9p: remove unused option Opt_trans

2015-08-23 14:21:16 -05:00

v9fs.h

9p: don't bother with __getname() in ->follow_link()

2015-05-10 22:18:19 -04:00

vfs_addr.c

Merge tag 'for-linus-4.1-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

2015-04-18 17:45:30 -04:00

vfs_dentry.c

VFS: normal filesystems (and lustre): d_inode() annotations

2015-04-15 15:06:57 -04:00

vfs_dir.c

fs/9p: fix readdir()

2015-04-24 15:45:03 -04:00

vfs_file.c

9p: use file_dentry()

2016-08-10 11:49:27 +02:00

vfs_inode_dotl.c

fs/9p: remove unnecessary new_valid_dev() checks

2015-11-09 15:11:24 -08:00

vfs_inode.c

9p: ->evict_inode() should kick out ->i_data, not ->i_mapping

2015-12-08 14:51:16 -05:00

vfs_super.c

v9fs: fix error handling in v9fs_session_init()

2015-06-08 09:05:06 -06:00

xattr.c

9p: xattr simplifications

2015-11-13 20:34:33 -05:00

xattr.h

9p: xattr simplifications

2015-11-13 20:34:33 -05:00