From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1FFFC43331 for ; Sat, 9 Nov 2019 14:32:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A09272196F for ; Sat, 9 Nov 2019 14:32:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726462AbfKIOcC (ORCPT ); Sat, 9 Nov 2019 09:32:02 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:51323 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726282AbfKIOcC (ORCPT ); Sat, 9 Nov 2019 09:32:02 -0500 Received: by mail-io1-f70.google.com with SMTP id v14so8424026iob.18 for ; Sat, 09 Nov 2019 06:32:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=JZi5tkp/gckqrQSG8tYsCT0DyycZxwi5ufMcg5DoU5o=; b=IrIZsa5QBtHNOphFV7mlc4mrxrhX680skJgGJNdZSXaRY3rtucuHZMRdpYtB11c9Xh ObXe5TspVwgLs+VEViuFLOmBeIHq/Qsdv50TMTJdV5jMoCDqtTRpwSMX0080RGE0JUOF CgVRn6CsUSq0Q3ccaolfNJwjCJNFtL4wuuLTCxq3RIwuwu1P0sUNgRBPB2yg1OqEU2Ml UZcyiArankqgeF7D1qUMCJJ5KmJhGRMgay8TMjncwVGH3anfk3t+NFRvIkWGoYwatki3 PTrNn3lA1wmnLj+t/AX6TyvQl5mtAxfq7+YOyUOBuZQg5cuuc/EoCHTsiwE51M7NvKRZ 2nHg== X-Gm-Message-State: APjAAAWiYhseS3LP9s2rFltRxB3RvwZAH4I36ZF5DbNEghbP6csFxx9x g0ZejXH762dBSwmPU0AfJSvZ2VCzFzyPS9B4E7JgrF6Je5Ck X-Google-Smtp-Source: APXvYqyoeCdf8LV4IECaLdOHYImFqe90Hff/exUBRMytawJCGLHrKdaUiBLrWfSr7NsrTpsl73JiShExe8f7ksVJLj1e/jt5f1X9 MIME-Version: 1.0 X-Received: by 2002:a6b:7847:: with SMTP id h7mr16503562iop.141.1573309921226; Sat, 09 Nov 2019 06:32:01 -0800 (PST) Date: Sat, 09 Nov 2019 06:32:01 -0800 In-Reply-To: <0000000000002b42040573b8495a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f9fb820596eac28b@google.com> Subject: Re: WARNING: refcount bug in igmp_start_timer From: syzbot To: akpm@linux-foundation.org, ap420073@gmail.com, ast@kernel.org, benjamin.gaignard@linaro.org, cmetcalf@ezchip.com, daniel.vetter@ffwll.ch, daniel.vetter@intel.com, daniel@iogearbox.net, davem@davemloft.net, ecree@solarflare.com, edumazet@google.com, f.fainelli@gmail.com, idosch@mellanox.com, jiri@mellanox.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, mcroce@redhat.com, netdev@vger.kernel.org, pabeni@redhat.com, paulmck@linux.vnet.ibm.com, peterz@infradead.org, petrm@mellanox.com, sd@queasysnail.net, stephen@networkplumber.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vincent.abriou@st.com, xiangxia.m.yue@gmail.com, xiyou.wangcong@gmail.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 323ebb61e32b478e2432c5a3cbf9e2ca678a9609 Author: Edward Cree Date: Tue Aug 6 13:53:55 2019 +0000 net: use listified RX for handling GRO_NORMAL skbs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15a5452ce00000 start commit: ae596de1 Compiler Attributes: naked can be shared git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=5fa12be50bca08d8 dashboard link: https://syzkaller.appspot.com/bug?extid=e28037ac1c96d2a86e89 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=178537da400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: net: use listified RX for handling GRO_NORMAL skbs For information about bisection process see: https://goo.gl/tpsmEJ#bisection