From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Date: Wed, 2 Mar 2011 12:12:13 +0000 (-0300)
Subject: [media] v4l2: vb2-dma-sg: fix potential security hole
X-Git-Tag: v2.6.39-rc1~86^2~117
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=941f896071c5c9120c8473c77246beaf36155247;p=pandora-kernel.git

[media] v4l2: vb2-dma-sg: fix potential security hole

Memory allocated by alloc_page() function might contain some potentially
important data from other system processes. The patch adds a flag to
zero the allocated page before giving it to videobuf2 (and then to
userspace).

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

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