Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp708712ybl; Wed, 8 Jan 2020 04:37:32 -0800 (PST) X-Google-Smtp-Source: APXvYqxelwEKAcHtd/5qdch7et9YC3N9KeL7jX8LFHJSpV5dlflV2U0c+9wvfgCB1h9K6Ma2dx5c X-Received: by 2002:aca:af54:: with SMTP id y81mr2865806oie.21.1578487052753; Wed, 08 Jan 2020 04:37:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1578487052; cv=none; d=google.com; s=arc-20160816; b=a9adS72zmYLgdkChllsB+KMQfbRSe8x+AU1TQYQGob93NEyjxWCuGaTyRamM7A0ChY LJ6U7ZruBznyuxlh3/CUeAD7xrn2mWdDepB/0GwpWB/Y/OvCmh7uZfzLDF+rSTxjXsbx pCam78JQIuzSJ1As/R5DLioDuYaF0awMySN2XNci9/7LfIumU3ng0LvlZaBoD4l5GWpp NWwQlUN97QsF0uxvwBWKm5J6KbJN1gXmcvoDrnt1+OSWTPnQ2a1Q5cjHayRCDOeEng1K eHLITuKb3gGKXaGN4dDTur/tQARUDRNzthHYsP5BvkKiguCYSBnXh5DCdCfgmC5wDWPy JzAA== 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=5NKosDjucmrt5v1xhcE10NDDIDJoPvXjPFpwy5hnXog=; b=Ei6Tc9goXz6uBA/yBnGpV3TMmF5Z/C2UKTbAi/U1GvGqeklD7w5v8NcxD9CQEsE92k +dUnpdR9HBjcCtwx1npoD4djzz49iL0vxA1f453Gpz2VorBN3WVDUtqdMm2yiwofUytg 53nwEqqfei7TR/0rI3Fruu7rLIQwZSfdMHdIgvET3jDASLGSdRu4iB5/KM9UTXHGAj0y DqEF6nZrrfRIVW4HqfCEY+xdVaP2+DjYrP254lPOyfe6BH4Itz0oy+UCE10XFE34eG+6 dN5cMQmvBQgTrZntfZ4uVQPBo34qSYMrql+gE1lDayfxk6577oy8oi74zTWbxTcaC2+7 7utg== 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 11si1825380otu.301.2020.01.08.04.37.19; Wed, 08 Jan 2020 04:37:32 -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 S1727548AbgAHJxg (ORCPT + 99 others); Wed, 8 Jan 2020 04:53:36 -0500 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:47210 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgAHJxf (ORCPT ); Wed, 8 Jan 2020 04:53:35 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1ip81n-0002Nz-5N; Wed, 08 Jan 2020 10:53:27 +0100 Date: Wed, 8 Jan 2020 10:53:27 +0100 From: Florian Westphal To: syzbot Cc: allison@lohutok.net, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, info@metux.net, jeremy@azazel.net, 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_netport6_uadt Message-ID: <20200108095327.GX795@breakpoint.cc> References: <000000000000e428d5059b9d50fd@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000e428d5059b9d50fd@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: ae608821 Merge tag 'trace-v5.5-rc5' of git://git.kernel.or.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10d79459e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=18698c0c240ba616 > dashboard link: https://syzkaller.appspot.com/bug?extid=e2362b2c3f229b2c9447 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161800d1e00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+e2362b2c3f229b2c9447@syzkaller.appspotmail.com #syz dup: general protection fault in hash_ipportnet4_uadt