From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755086Ab2DSMVb (ORCPT ); Thu, 19 Apr 2012 08:21:31 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:37966 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753809Ab2DSMV3 (ORCPT ); Thu, 19 Apr 2012 08:21:29 -0400 Subject: [PATCH linux-next] ipc: fix local variable initialization in compat_do_msg_fill() To: linux-kernel@vger.kernel.org From: Konstantin Khlebnikov Cc: Stanislav Kinsbursky , Arnd Bergmann , Pavel Emelyanov , Chris Metcalf , Lucas De Marchi , Cyrill Gorcunov , Andrew Morton Date: Thu, 19 Apr 2012 16:21:24 +0400 Message-ID: <20120419122124.15573.24504.stgit@zurg> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The "msgp" must points to the userspace buffer. fix for linux-next commit 774d0252d303969a7281eefd6eaccde50bb6eb6e ("c/r: ipc: message queue receive cleanup") Signed-off-by: Konstantin Khlebnikov Cc: Stanislav Kinsbursky Cc: Lucas De Marchi Cc: Chris Metcalf Cc: Cyrill Gorcunov Cc: Pavel Emelyanov Cc: Arnd Bergmann Cc: Andrew Morton --- ipc/compat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ipc/compat.c b/ipc/compat.c index 6da376b..0c2ebd0 100644 --- a/ipc/compat.c +++ b/ipc/compat.c @@ -363,7 +363,7 @@ static long compat_do_msg_steal(void __user *dest, struct msg_msg *msg, size_t b long compat_do_msg_fill(void __user *dest, struct msg_msg *msg, size_t bufsz) { - struct compat_msgbuf __user *msgp; + struct compat_msgbuf __user *msgp = dest; size_t msgsz; if (put_user(msg->m_type, &msgp->mtype))