commit | 723bf827f6d066a119f202131130af431dcc41a2 | [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 11:33:47 2012 -0800 |
tree | f15e5156a7bc82dde5d453dd994899c9dee6ca0f | |
parent | 1820b28c96690ab8bc8977089d8eb4a9e7128117 [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>