From: Dan Rosenberg <drosenberg@vsecurity.com>
Date: Wed, 27 Oct 2010 22:34:17 +0000 (-0700)
Subject: ipc: initialize structure memory to zero for compat functions
X-Git-Tag: v2.6.27.57~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6d7c2efda237f01fedc31965d056226e0df6a1d;p=pandora-kernel.git

ipc: initialize structure memory to zero for compat functions

commit 03145beb455cf5c20a761e8451e30b8a74ba58d9 upstream.

This takes care of leaking uninitialized kernel stack memory to
userspace from non-zeroed fields in structs in compat ipc functions.

Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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