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[209.132.180.67]) by mx.google.com with ESMTP id f25si11198592edq.132.2019.11.27.18.03.05; Wed, 27 Nov 2019 18:03:29 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728562AbfK1CAC (ORCPT + 99 others); Wed, 27 Nov 2019 21:00:02 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:43317 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728555AbfK1CAC (ORCPT ); Wed, 27 Nov 2019 21:00:02 -0500 Received: by mail-io1-f71.google.com with SMTP id b17so4623804ioh.10 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=aLN1CqURoAbPNtsg0tzX9O6hM2rNbyMacjG6W76BR1z5qVCeQbaz8j2t/wIutc4/Vw nKE1BuFAP6b5HLzBPkkMjfwHGPFxW1U5Z1P+cttltzG3Eerge9B/Qcx6XmnbPX5yOT27 gYHH2lXF0BnRkwihd7YfWVt0Fu21H9+9gX2Qy93vO7667NX+S5lsemu6MkpYOBOeH4kT T0tI+lksRbuIqA6nihjCYgKGqDYFm2HgcsoHM3X1rjiOUS2QvXLn2KlFVNrDJbh13rao UmI/qsIYT4pbrxXzbSu3KS9hfv6C4HZLrPHS9DCS4U2XTc24yjG4mNyo4d7BSHJnP/YR cWJg== X-Gm-Message-State: APjAAAUQdecapK+n49aQuQgiikCo9VJpri7vgR3JngVPy8QajcXzGGZL 4na50xeasOMgUv3CHfliejlcbRILmHo0rG8ve5GOnMiVn/XC 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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