From patchwork Mon Jan 25 22:24:24 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Lutomirski X-Patchwork-Id: 8116521 Return-Path: X-Original-To: patchwork-linux-parisc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2AD2C9F818 for ; Mon, 25 Jan 2016 22:29:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6360820212 for ; Mon, 25 Jan 2016 22:29:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E91320160 for ; Mon, 25 Jan 2016 22:29:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932833AbcAYW3X (ORCPT ); Mon, 25 Jan 2016 17:29:23 -0500 Received: from mail.kernel.org ([198.145.29.136]:49863 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932821AbcAYWYx (ORCPT ); Mon, 25 Jan 2016 17:24:53 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5018520303; Mon, 25 Jan 2016 22:24:52 +0000 (UTC) Received: from localhost (199-83-221-254.PUBLIC.monkeybrains.net [199.83.221.254]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A7BA420398; Mon, 25 Jan 2016 22:24:51 +0000 (UTC) From: Andy Lutomirski To: Andrew Morton Cc: Andy Lutomirski , Al Viro , Linus Torvalds , x86@kernel.org, linux-arch , David Miller , "linux-s390@vger.kernel.org" , Chris Metcalf , linux-parisc@vger.kernel.org, linux-mips@linux-mips.org, sparclinux@vger.kernel.org Subject: [PATCH v2 10/16] net/xfrm_user: Use in_compat_syscall to deny compat syscalls Date: Mon, 25 Jan 2016 14:24:24 -0800 Message-Id: X-Mailer: git-send-email 2.5.0 In-Reply-To: References: In-Reply-To: References: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The code wants to prevent compat code from receiving messages. Use in_compat_syscall for this. Signed-off-by: Andy Lutomirski --- net/xfrm/xfrm_user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 805681a7d356..2cc7af858c6f 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2449,7 +2449,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) int type, err; #ifdef CONFIG_COMPAT - if (is_compat_task()) + if (in_compat_syscall()) return -ENOTSUPP; #endif