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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 C4F7CC2D0DB for ; Wed, 22 Jan 2020 12:01:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A552024685 for ; Wed, 22 Jan 2020 12:01:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729145AbgAVMBD (ORCPT ); Wed, 22 Jan 2020 07:01:03 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:49278 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726094AbgAVMBD (ORCPT ); Wed, 22 Jan 2020 07:01:03 -0500 Received: by mail-io1-f71.google.com with SMTP id c11so3868806iod.16 for ; Wed, 22 Jan 2020 04:01:02 -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=61s/b2ve7Ymq8tfjb3CXMkDvuEBC5uRjhgGwyXBI6Ks=; b=AbZ1QQe984JnhbOqFAqUjhTW4u5WgBB6ADufnBeF33Z9CmDguilQoAYzYPeJ3qg6Ly +SgE3ip61adIsqI9sJMyvmQgJ/Jlv+8pq9E23Uh+ejvJHt1icnD+2s1XR8pW3pFBZKDI 6Qem98ql9cy+N8UP0SSGHGQrCdwHEF1h/j7Qzbrda8Avi+fW5Nk3kfBXW+7OP6fw2aaC 5thJZ92sw+BjzUjHtvtaREk8/6xVXda+AdAhIi9IesjgjN2cfx5yp/AGKoUC8mu8ZdQi f5JkLYoTn2TzPIdjZpV3cuN0pC31kAC5hFMyeTL2MEZFlSiaugaqUP74LPQAVYk0TzFV 7IPg== X-Gm-Message-State: APjAAAVEJVwOKXZQDB3/Lxq0jxo8bWr1dFjJ0UzdL9U97TD59lRW50MK 5ypoDm5MWK7M7JHIQWcU0zz2lO5bilwBdvnL6iYokhCU3eoS X-Google-Smtp-Source: APXvYqyauwF/AYy3VXIkvRTGiyeWl5ltDClvjnrtOVeCsUgRufF0STZg5aTzuLZ1EBQ/uEcFf23kAN1WfFJdg2uVlA8aHwOKEUSo MIME-Version: 1.0 X-Received: by 2002:a02:ce5c:: with SMTP id y28mr6785824jar.96.1579694462294; Wed, 22 Jan 2020 04:01:02 -0800 (PST) Date: Wed, 22 Jan 2020 04:01:02 -0800 In-Reply-To: <0000000000007c3ba2059cb50843@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004762b3059cb947b4@google.com> Subject: Re: WARNING in cbq_destroy From: syzbot To: davem@davemloft.net, echaudro@redhat.com, ivecera@redhat.com, jhs@mojatatu.com, jiri@mellanox.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit d51aae68b142f48232257e96ce317db25445418d Author: Jiri Pirko Date: Mon Nov 27 17:37:21 2017 +0000 net: sched: cbq: create block for q->link.block bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14a51a95e00000 start commit: d96d875e Merge tag 'fixes_for_v5.5-rc8' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16a51a95e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12a51a95e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=83c00afca9cf5153 dashboard link: https://syzkaller.appspot.com/bug?extid=63bdb6006961d8c917c6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a1a721e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a91a95e00000 Reported-by: syzbot+63bdb6006961d8c917c6@syzkaller.appspotmail.com Fixes: d51aae68b142 ("net: sched: cbq: create block for q->link.block") For information about bisection process see: https://goo.gl/tpsmEJ#bisection