Received: by 2002:ac0:aed5:0:0:0:0:0 with SMTP id t21csp4037239imb; Wed, 6 Mar 2019 03:48:13 -0800 (PST) X-Google-Smtp-Source: APXvYqwMYf6us93JnYB51XDWwHcS1wyHlQv8QjJYgZtsNy/pKC93EdS3LZHIOrTM7mgeShbHfN60 X-Received: by 2002:a17:902:6508:: with SMTP id b8mr6712009plk.17.1551872893738; Wed, 06 Mar 2019 03:48:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551872893; cv=none; d=google.com; s=arc-20160816; b=qDom+GH9mOs0HijCi7crF4lUVmhMNNg4JuhLR5igzKYnE3bePumEuKxD31B7ls6Bh1 /bna8Ph7hCQZ+nIL02MFLNjVcCpmmIXZl2yaaDWmr3Wy7ca0bdVcUdQw5pmERYwwYDX9 JlbglLarYTMveuVj14eySTgif/4QEEprXZrGmYGZjk8pjaviZh1y090EJ7Cl/FSLCnEk a2m44h7OtVxGhwRNmlonge4aRtBrNtiPYc+tBJCAAXT0iJEM/oKki3m95nyFZjds//a6 INXbka4WpLO6f3vKD0NF206aGchdeLZ5gs0iwTyBEm55CRhQhIRyV0jjYHxxc/8M0H9I xR3g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=1h0ywluaVAKB0N3f3wxW/CwHqcY2Dr4cG8kShtdtCAM=; b=JBAwWbqAi0cOeXcx7IUmZo/2uZK0yru/feESOnSrIeZ5iLpbk+GtAFZ9u4cl4BZFTp 5CRbaG4IXPmiM7nOxhVqW3HzcSZg8dcZlGANsYbCIJjDBpn7MB7ws20LaoIXzw2fgh7U eU9QnGfp3O+sUGViA4cJ70S9VXpyq3MBTjbp375cmZ1qdM2EuuYEWt1h/7gTJ+OWnrF/ vx9YbpovqxAvG4J0pu0v+lwJC8Y5G8drECjwDaAEoPqeqlR3NdwdMVD+oT9ePFU5Ebs3 q/BHz9OgwFfmoBcFrbL6EkXEZVgDHCVGc83KrJIZAskXxa6IHZRLO72ff4/OI6obXg6w UooQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p125si1240357pga.84.2019.03.06.03.47.58; Wed, 06 Mar 2019 03:48:13 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729240AbfCFLfr (ORCPT + 99 others); Wed, 6 Mar 2019 06:35:47 -0500 Received: from a.mx.secunet.com ([62.96.220.36]:43548 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbfCFLfr (ORCPT ); Wed, 6 Mar 2019 06:35:47 -0500 Received: from localhost (localhost [127.0.0.1]) by a.mx.secunet.com (Postfix) with ESMTP id 97F0720184; Wed, 6 Mar 2019 12:35:45 +0100 (CET) X-Virus-Scanned: by secunet Received: from a.mx.secunet.com ([127.0.0.1]) by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zyqNWTe3jcqG; Wed, 6 Mar 2019 12:35:44 +0100 (CET) Received: from mail-essen-01.secunet.de (mail-essen-01.secunet.de [10.53.40.204]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a.mx.secunet.com (Postfix) with ESMTPS id 5115A2007E; Wed, 6 Mar 2019 12:35:44 +0100 (CET) Received: from gauss2.secunet.de (10.182.7.193) by mail-essen-01.secunet.de (10.53.40.204) with Microsoft SMTP Server id 14.3.439.0; Wed, 6 Mar 2019 12:35:43 +0100 Received: by gauss2.secunet.de (Postfix, from userid 1000) id 888E0318273F; Wed, 6 Mar 2019 12:35:43 +0100 (CET) Date: Wed, 6 Mar 2019 12:35:43 +0100 From: Steffen Klassert To: Myungho Jung CC: "David S. Miller" , , Subject: Re: [PATCH] xfrm: Reset secpath in xfrm failure Message-ID: <20190306113543.GD3758@gauss3.secunet.de> References: <20190306073304.GA22426@myunghoj-Precision-5530> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20190306073304.GA22426@myunghoj-Precision-5530> User-Agent: Mutt/1.9.4 (2018-02-28) X-G-Data-MailSecurity-for-Exchange-State: 0 X-G-Data-MailSecurity-for-Exchange-Error: 0 X-G-Data-MailSecurity-for-Exchange-Sender: 23 X-G-Data-MailSecurity-for-Exchange-Server: d65e63f7-5c15-413f-8f63-c0d707471c93 X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 X-G-Data-MailSecurity-for-Exchange-Guid: CF2CE896-761D-4105-900F-C059DBC9AD50 X-G-Data-MailSecurity-for-Exchange-ProcessedOnRouted: True Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 06, 2019 at 04:33:08PM +0900, Myungho Jung wrote: > In esp4_gro_receive() and esp6_gro_receive(), secpath can be allocated > without adding xfrm state to xvec. Then, sp->xvec[sp->len - 1] would > fail and result in dereferencing invalid pointer in esp4_gso_segment() > and esp6_gso_segment(). Reset secpath if xfrm function returns error. > > Reported-by: syzbot+b69368fd933c6c592f4c@syzkaller.appspotmail.com > Signed-off-by: Myungho Jung The patch itself looks ok, but please add a 'Fixes' tag to the commit message. Thanks!