From: Kees Cook <keescook@chromium.org>
Date: Mon, 11 Mar 2013 19:25:19 +0000 (-0700)
Subject: drm/i915: restrict kernel address leak in debugfs
X-Git-Tag: v3.2.42~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1464096dd1dacc4bd0cbc9e90d67f09f47292405;p=pandora-kernel.git

drm/i915: restrict kernel address leak in debugfs

commit 2563a4524febe8f4a98e717e02436d1aaf672aa2 upstream.

Masks kernel address info-leak in object dumps with the %pK suffix,
so they cannot be used to target kernel memory corruption attacks if
the kptr_restrict sysctl is set.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[bwh: Backported to 3.2: the rest of the format string is different]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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