linux-kernel - Re: WARNING in hrtimer

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Message-ID: <0000000000007d5ec805b04c5fc8@google.com>
Date:   Sun, 27 Sep 2020 07:29:09 -0700
From:   syzbot <syzbot+ca740b95a16399ceb9a5@...kaller.appspotmail.com>
To:     davem@...emloft.net, hchunhui@...l.ustc.edu.cn, hdanton@...a.com,
        ja@....bg, jmorris@...ei.org, kaber@...sh.net,
        kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, yoshfuji@...ux-ipv6.org
Subject: Re: WARNING in hrtimer_forward

syzbot has bisected this issue to:

commit 0e7bbcc104baaade4f64205e9706b7d43c46db7d
Author: Julian Anastasov <ja@....bg>
Date:   Wed Jul 27 06:56:50 2016 +0000

    neigh: allow admin to set NUD_STALE

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1661d187900000
start commit:   ba5f4cfe bpf: Add comment to document BTF type PTR_TO_BTF_..
git tree:       bpf-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1561d187900000
console output: https://syzkaller.appspot.com/x/log.txt?x=1161d187900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d44e1360b76d34dc
dashboard link: https://syzkaller.appspot.com/bug?extid=ca740b95a16399ceb9a5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1148fe4b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12f5218d900000

Reported-by: syzbot+ca740b95a16399ceb9a5@...kaller.appspotmail.com
Fixes: 0e7bbcc104ba ("neigh: allow admin to set NUD_STALE")

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