From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 3 Mar 2009 19:48:36 +0000 (-0500)
Subject: xfs: prevent kernel crash due to corrupted inode log format
X-Git-Tag: v2.6.29-rc8~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff392c497b43ddedbab5627b53928a654cc5486e;p=pandora-kernel.git

xfs: prevent kernel crash due to corrupted inode log format

Andras Korn reported an oops on log replay causes by a corrupted
xfs_inode_log_format_t passing a 0 size to kmem_zalloc.  This patch handles
to small or too large numbers of log regions gracefully by rejecting the
log replay with a useful error message.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Andras Korn <korn-sgi.com@chardonnay.math.bme.hu>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
---

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