commit | 6e474bc4d5c0d94c070a18901e00ff33de0c1be1 | [log] [tgz] |
---|---|---|
author | Xi Wang <xi.wang@gmail.com> | Mon Dec 12 21:55:52 2011 +0000 |
committer | Greg Kroah-Hartman <gregkh@suse.de> | Thu Jan 12 11:35:55 2012 -0800 |
tree | 88bd52502d438e5046c10d7f4c99a1454d06324a | |
parent | 68f760945cb704f4a9d0ae7c4abc9e41ca30aa91 [diff] |
xfs: fix acl count validation in xfs_acl_from_disk() commit 093019cf1b18dd31b2c3b77acce4e000e2cbc9ce upstream. Commit fa8b18ed didn't prevent the integer overflow and possible memory corruption. "count" can go negative and bypass the check. Signed-off-by: Xi Wang <xi.wang@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>