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author | Cong Wang <xiyou.wangcong@gmail.com> | 2017-02-22 15:40:53 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:27 -0800 |
commit | b5c66bab72a6a65edb15beb60b90d3cb84c5763b (patch) | |
tree | d493d00eb2760a6b50f4c365c8b9241b3e030e88 /kernel | |
parent | 612dafabb6a0fa62e9b86f11da5d37ee11dea28f (diff) | |
download | linux-b5c66bab72a6a65edb15beb60b90d3cb84c5763b.tar.bz2 |
9p: fix a potential acl leak
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>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions