Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp561525ybl; Wed, 8 Jan 2020 02:01:00 -0800 (PST) X-Google-Smtp-Source: APXvYqwqB+LNuu079CzBSWr9GKPfejAzxzA7PuroHWWBr74ZgQr2owFKwaylYdeZd+PfIuM4o314 X-Received: by 2002:aca:cf58:: with SMTP id f85mr2465227oig.6.1578477660100; Wed, 08 Jan 2020 02:01:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1578477660; cv=none; d=google.com; s=arc-20160816; b=FOWPl5TU7pRR4M8zE1RsaXk5ehYDJA0IbI1hFgn9+T3tpZ4Dy5h7oPOlOTyql1U2BD KVfn7GLdk5rLoCPDrkNIUczwD8fvG7/PauXI99bWEe7v2o+i6BEWe3/0A4HLS1WHA7Zi eq2VV7F4AgJbNRHjQp+QlQw/0fK5FI+HneupDvLqmGTkrGYyEIXK4SMniSASWeEhCPGG 7amQIp/mnPOBslsTQCKc1vYUq+dISGECAMaUMmWg8Fcy2rP8fXBijrGvPrnPwgb5bNgB QJ9AN7OyHhYHfvzCNL/M9YOk2ni753ufwc94VgYB/UiyOOePQRuiHvrxNhjdJ0tWSs9k ThyA== 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=nYUFN/xb43tv9I53/VWp3EPa98wjqxIqC4Nvk/9zzak=; b=TeRS8cPGOhqIrg8BS+O/rxFbywH4eQRUwBSg7eWDLc4ySPVxMwCzuWwWXYsGJXjE2r iUUKyc0Aoy+C2x1jcb1OA2U4Ykd5fs3PxW5AAZpxdyVoTmYd00z+AM2wjvEKhiU8sa// Z7b5UDM225SbFac4WQuw7qGUcjqE9XAEBxzNXHpAu06winEcsC3Bw9ZpdYoK3whSXRrb s180b+qan2fn9AFjQI5WvklCSHwsS46RStHk7PCbA6w+6Y7ZehqJtCI6tKC5pcpNZop2 I3T+4hJSPDNebzWffcQ/f/tcFI5Gd6Y6oso1mhU9qUXHjD2MH8Es1qvUChKPxF8N64xH jtwQ== 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 10si1441504ois.76.2020.01.08.02.00.47; Wed, 08 Jan 2020 02:01:00 -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 S1727492AbgAHJxS (ORCPT + 99 others); Wed, 8 Jan 2020 04:53:18 -0500 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:47188 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726087AbgAHJxS (ORCPT ); Wed, 8 Jan 2020 04:53:18 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1ip81Z-0002NP-B2; Wed, 08 Jan 2020 10:53:13 +0100 Date: Wed, 8 Jan 2020 10:53:13 +0100 From: Florian Westphal To: syzbot Cc: coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, gregkh@linuxfoundation.org, info@metux.net, jeremy@azazel.net, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Subject: Re: general protection fault in hash_net4_uadt Message-ID: <20200108095313.GW795@breakpoint.cc> References: <000000000000dd1cb0059b9d50b7@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000dd1cb0059b9d50b7@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: c101fffc Merge tag 'mlx5-fixes-2020-01-06' of git://git.ke.. > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=1452e656e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f2f3ef188b7e16cf > dashboard link: https://syzkaller.appspot.com/bug?extid=b8e32edde51fdcc8c2c4 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ef2459e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=113b9459e00000 > > The bug was bisected to: #syz dup: general protection fault in hash_ipportnet4_uadt