From: Nathaniel Clark <nathaniel.l.clark@intel.com>
Date: Fri, 15 Aug 2014 16:48:06 +0000 (-0400)
Subject: staging/lustre/llite: check for integer overflow in hsm user request
X-Git-Tag: fixes-for-v3.18-merge-window~15^2~1206
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b2eb32e697d151ebaf52f9b0304d16f63a27b43;p=pandora-kernel.git

staging/lustre/llite: check for integer overflow in hsm user request

Check to make sure total size of request does not overflow when
calculated.  Return -1 from hur_len() if it does overflow.

Signed-off-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Reviewed-on: http://review.whamcloud.com/10615
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4984
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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