xfs: validate acl count
commit9ee3e4ab17e3670a46b24502394eb24d68a85f9b
authorChristoph Hellwig <hch@infradead.org>
Sun, 20 Nov 2011 15:35:32 +0000 (20 15:35 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 12 Jan 2012 19:40:12 +0000 (12 11:40 -0800)
treeb9cee644e1b1ac4cdf6e30ffd230e9da3aa3b43f
parentf09bb6a7bfda3642bcf94aa5da37bb2ea05bd3bd
xfs: validate acl count

commit fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba upstream.

This prevents in-memory corruption and possible panics if the on-disk
ACL is badly corrupted.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/xfs/linux-2.6/xfs_acl.c