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,URIBL_BLOCKED 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 83500C432C0 for ; Thu, 28 Nov 2019 02:00:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5FEAE2071F for ; Thu, 28 Nov 2019 02:00:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728575AbfK1CAE (ORCPT ); Wed, 27 Nov 2019 21:00:04 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:48145 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728569AbfK1CAD (ORCPT ); Wed, 27 Nov 2019 21:00:03 -0500 Received: by mail-io1-f69.google.com with SMTP id e15so14350771ioh.15 for ; Wed, 27 Nov 2019 18:00:01 -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=DYCoVBntiKkpTeX6a8KJneZkYAcva9u1pdG4zXgpO64=; b=t5efrV0OmtQ7XbB/PKR3TqEzKT0h/YWTlrd4NcHmnMkwi1VvguPqFoBj6j+wjSrD1j vxCeTs2lGXh1mHhUV+o+QA8scTjQdbLh3xCa2L8MWUpD11uNTZ+4n9b8/6Soj3MWzjFg AH5jyde70Q6cL9pV95Fu8VEwrsgE6KRHrUjuk+TF/nWnk2+X3xGEJrJU4483mTL7GFQQ KR6wDZLrZ04qDB2nblgz4ehe0TTwN0DHB/bPMiUu6zGC4L/8nEByUqlye8MMFy0ueq/G YgZznUVkgLlqn9lciPIADdoOJ3EAE+hY2blbGrXP+/7MH/cfeHQS5Pl9jmjYf2j7rPmg l/8Q== X-Gm-Message-State: APjAAAW6WS+Qu5WGHvDhuseZ7e4d01eyyiddxyA46BhzJYaHmR23aOtW 8cZExiY44Yu4mSAJjoeKX+JACjIe2Pqgw4YTT1j0+K9iF7aZ X-Google-Smtp-Source: APXvYqxa6cVqXVISZzxW/NS5ndS0aUKG+LFds1IRmdw/COM4lIqUf7ADeUv9oT1zbWREBSImJJDTBYinlwECS+K++PZEc9N9rGqG MIME-Version: 1.0 X-Received: by 2002:a92:461d:: with SMTP id t29mr49468857ila.100.1574906401298; Wed, 27 Nov 2019 18:00:01 -0800 (PST) Date: Wed, 27 Nov 2019 18:00:01 -0800 In-Reply-To: <00000000000038b5c205983c2df4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009aa32205985e78b6@google.com> Subject: Re: WARNING in mark_lock (3) From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, jakub.kicinski@netronome.com, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, vinicius.gomes@intel.com, wang.yi59@zte.com.cn, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit d665c1281bc89ac85b8b0c058c22a3f94640a1d6 Author: Yi Wang Date: Mon Oct 21 23:57:42 2019 +0000 net: sched: taprio: fix -Wmissing-prototypes warnings bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=132ee536e00000 start commit: 89d57ddd Merge tag 'media/v5.5-1' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=10aee536e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=172ee536e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=595c15c951695d1b dashboard link: https://syzkaller.appspot.com/bug?extid=a229d8d995b74f8c4b6c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1511af5ee00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e0f17ae00000 Reported-by: syzbot+a229d8d995b74f8c4b6c@syzkaller.appspotmail.com Fixes: d665c1281bc8 ("net: sched: taprio: fix -Wmissing-prototypes warnings") For information about bisection process see: https://goo.gl/tpsmEJ#bisection