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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 0C2A8C3526C for ; Sun, 20 Dec 2020 09:37:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE9FB2312A for ; Sun, 20 Dec 2020 09:37:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727424AbgLTJhp (ORCPT ); Sun, 20 Dec 2020 04:37:45 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:41468 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727129AbgLTJho (ORCPT ); Sun, 20 Dec 2020 04:37:44 -0500 Received: by mail-il1-f198.google.com with SMTP id f19so6695675ilk.8 for ; Sun, 20 Dec 2020 01:37:28 -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=0fT5mqBE94g71/WluOC6bf1J/UQhmIMm/DUDfbpZB9U=; b=FokUUj6a2CqkphV8QlrFUAZS0Kxv66UDxfFrLQ6eWEbVtKbHzLHW1SYOpbeBR5ID7r 299Bt5z322O66ghxj8u//jRky8ccPCO/ucapd0wgq3iZzBNKZD7E01EHsrjP3Jr7k3Tx GvgAkgFWngC5nHncg61a79tpSc3f9F82tVJpP9RT9K+XFegKcWn+SBm4hQmxBXysgDpZ faMcDalzleQGHS5H+8SEWPGoXvAXo1dD1/I8uq+o5OjNqz/qzXkBdtq/3zdAEN1yyA7j cWUh3C0h99BF+kN/jJ9B7jqXAMZqQ/rDeRYOGsgN8/SwdacmHyJzccUH8Dkda8ZpVCg5 vQig== X-Gm-Message-State: AOAM532YO7xz1yCqAALqq6iaPg2yNYmJtXSDKZOTZeDyl5DjdVE4DhUB 777CLipjR8TypJwdXzsg/2/vQ9oy4bpMgX5nm5yvmZadRIfL X-Google-Smtp-Source: ABdhPJy/2OvStEVOk368NFkl05TcHnoLfL9VubxJP+qHGmxR1gjcoH5bassxkyk/ywRnffzn1GiHR9p3jFp67h07+mij430mJ0zN MIME-Version: 1.0 X-Received: by 2002:a5d:8704:: with SMTP id u4mr10573638iom.3.1608457023536; Sun, 20 Dec 2020 01:37:03 -0800 (PST) Date: Sun, 20 Dec 2020 01:37:03 -0800 In-Reply-To: <000000000000264c6305a9c74d9b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008647f705b6e215de@google.com> Subject: Re: INFO: rcu detected stall in tipc_release From: syzbot To: Markus.Elfring@web.de, bp@alien8.de, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, fweisbec@gmail.com, hdanton@sina.com, hpa@zytor.com, jmaloy@redhat.com, jmattson@google.com, joro@8bytes.org, kadlec@netfilter.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, pbonzini@redhat.com, sean.j.christopherson@intel.com, subashab@codeaurora.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tuong.t.lien@dektech.com.au, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit cc00bcaa589914096edef7fb87ca5cee4a166b5c Author: Subash Abhinov Kasiviswanathan Date: Wed Nov 25 18:27:22 2020 +0000 netfilter: x_tables: Switch synchronization to RCU bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1445cb37500000 start commit: 7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7be693511b29b338 dashboard link: https://syzkaller.appspot.com/bug?extid=3654c027d861c6df4b06 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12948233100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11344c05100000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: netfilter: x_tables: Switch synchronization to RCU For information about bisection process see: https://goo.gl/tpsmEJ#bisection