From: Peter Hurley <peter@hurleysoftware.com>
Date: Fri, 8 Mar 2013 20:43:27 +0000 (-0800)
Subject: ipc: don't allocate a copy larger than max
X-Git-Tag: v3.9-rc2~7^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88b9e456b1649722673ffa147914299799dc9041;p=pandora-kernel.git

ipc: don't allocate a copy larger than max

When MSG_COPY is set, a duplicate message must be allocated for the copy
before locking the queue.  However, the copy could not be larger than was
sent which is limited to msg_ctlmax.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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