Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp562714ybl; Wed, 8 Jan 2020 02:02:05 -0800 (PST) X-Google-Smtp-Source: APXvYqyySwnMwKC7R8QlsrghOMx3kx7r970gc2pkx4XD6Vtik2HQwq/BgQVtiedB9vouMqTTnA4i X-Received: by 2002:aca:4442:: with SMTP id r63mr2514599oia.33.1578477725839; Wed, 08 Jan 2020 02:02:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1578477725; cv=none; d=google.com; s=arc-20160816; b=csccAXiDchtqCEfP6MZ0xU/fQCHoV/AMLspUyYgErAO+qgNBNDWx8YcbHfi+pc79sY C5shPZ9Kr5h4WDTMck9zAMAm6KReC4NYIoggnZOgE8vl/peYbMwM57f+QqvLl+W/KDrO sioUE3KxLoimXhTZG1oZyAeFmNlSXE4D12bacFYGCu0GDwQ/NV9FGtRNT5ztb/CLOI4i ut8Lfi4xsSix/A6jL7F0gdVVnx14+E4+sZsVQMfOPIrv5KzHY77+aN8kFALHZW8T2tio pfHwb0VOmH0vOC1fC62buVGR/HmSQJCHzb5YkwJoL3B2M489/kcvoHFUtI+eWV+AhUBq PhwQ== 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=gAHyJfVKxZklTrGeqmi16gGv4vXNW4Otsj5MxfqHlHU=; b=K915sFNh86yq6L3weVj+DlVpJUfAvWsXTxykB0vQpGA15TeJ6jLnu3tWXoLQhyIOLM yjnsNfeZeYth13Sis3hWeySET5QAlqj0S/eAxgobvtm+ec6ttxDtn1VKrNN4luMwUBAT C0kmJNdIOnO68eCAttFTDrzUMeAKwGTgYQFiDXYgCPp4WwSJP3rK97RxLosCLLhiJBE0 lme/v/wazxsMqrNa7pbDcE5EzRCVewnvFHJoxkadT8gqTg4tftOnMsBuAMdtu0S6raDf 8mJ+XQ7oKBwPfzh2M9fA53dxbyS6odaE54r23qx33qaJGod6M2jQTxx7F0lC/6vseVMt EjNQ== 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 n7si1475767otk.277.2020.01.08.02.01.52; Wed, 08 Jan 2020 02:02:05 -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 S1727610AbgAHJxn (ORCPT + 99 others); Wed, 8 Jan 2020 04:53:43 -0500 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:47238 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgAHJxn (ORCPT ); Wed, 8 Jan 2020 04:53:43 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1ip81x-0002OX-N8; Wed, 08 Jan 2020 10:53:37 +0100 Date: Wed, 8 Jan 2020 10:53:37 +0100 From: Florian Westphal To: syzbot Cc: allison@lohutok.net, 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, kstewart@linuxfoundation.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_ip4_uadt Message-ID: <20200108095337.GY795@breakpoint.cc> References: <000000000000d47ca7059b9d5016@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000d47ca7059b9d5016@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=11b2e656e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f2f3ef188b7e16cf > dashboard link: https://syzkaller.appspot.com/bug?extid=0be5fe9e46479a332a4a > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=114d8eb9e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1157d076e00000 #syz dup: general protection fault in hash_ipportnet4_uadt