From: Jens Axboe <jaxboe@fusionio.com>
Date: Fri, 29 Oct 2010 14:10:18 +0000 (-0600)
Subject: block: check for proper length of iov entries in blk_rq_map_user_iov()
X-Git-Tag: v2.6.37-rc2~30^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9284bcf4e335e5f18a8bc7b26461c33ab60d0689;p=pandora-kernel.git

block: check for proper length of iov entries in blk_rq_map_user_iov()

Ensure that we pass down properly validated iov segments before
calling into the mapping or copy functions.

Reported-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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