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| author | Cong Wang <xiyou.wangcong@gmail.com> | 2017-02-23 02:40:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-14 15:08:18 +0300 |
| commit | 206472df12f1044909c6377831c15adf99e0c989 (patch) | |
| tree | 6efa84f79e66469f38cc9f3ebde144af89da522b /fs/efs | |
| parent | b1cff0b2ed20d9a046a17605c544a914d365dfc8 (diff) | |
| download | linux-206472df12f1044909c6377831c15adf99e0c989.tar.xz | |
9p: fix a potential acl leak
commit b5c66bab72a6a65edb15beb60b90d3cb84c5763b 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>
Diffstat (limited to 'fs/efs')
0 files changed, 0 insertions, 0 deletions