netdev - Re: WARNING in cbq

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Message-ID: <0000000000004762b3059cb947b4@google.com>
Date:   Wed, 22 Jan 2020 04:01:02 -0800
From:   syzbot <syzbot+63bdb6006961d8c917c6@...kaller.appspotmail.com>
To:     davem@...emloft.net, echaudro@...hat.com, ivecera@...hat.com,
        jhs@...atatu.com, jiri@...lanox.com, jiri@...nulli.us,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, xiyou.wangcong@...il.com
Subject: Re: WARNING in cbq_destroy

syzbot has bisected this bug to:

commit d51aae68b142f48232257e96ce317db25445418d
Author: Jiri Pirko <jiri@...lanox.com>
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@...kaller.appspotmail.com
Fixes: d51aae68b142 ("net: sched: cbq: create block for q->link.block")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection