From 9284bcf4e335e5f18a8bc7b26461c33ab60d0689 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jaxboe@fusionio.com>
Date: Fri, 29 Oct 2010 08:10:18 -0600
Subject: [PATCH] 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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Reading git-format-patch failed