linux-kernel - Re: WARNING in batadv_iv_send_outstanding_bat_ogm

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Message-ID: <0000000000002ba5570594d6dc99@google.com>
Date:   Sun, 13 Oct 2019 20:57:01 -0700
From:   syzbot <syzbot+c0b807de416427ff3dd1@...kaller.appspotmail.com>
To:     a@...table.cc, akpm@...l.org, arvind.yadav.cs@...il.com,
        b.a.t.m.a.n@...ts.open-mesh.org, davem@...emloft.net,
        kgene@...nel.org, krzk@...nel.org, kyungmin.park@...sung.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        mareklindner@...mailbox.ch, mchehab@...nel.org,
        mchehab@...pensource.com, mingo@...nel.org, netdev@...r.kernel.org,
        oleg@...sign.ru, roland@...hat.com, s.nawrocki@...sung.com,
        sven@...fation.org, sw@...onwunderlich.de,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: WARNING in batadv_iv_send_outstanding_bat_ogm_packet

syzbot has bisected this bug to:

commit 26d051e301f67cdd2ea3404abb43902f13214efa
Author: Arvind Yadav <arvind.yadav.cs@...il.com>
Date:   Thu Jun 29 08:21:35 2017 +0000

     media: exynos4-is: fimc-is-i2c: constify dev_pm_ops structures

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10a0aff0e00000
start commit:   da940012 Merge tag 'char-misc-5.4-rc3' of git://git.kernel..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=12a0aff0e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14a0aff0e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2d2fd92a28d3e50
dashboard link: https://syzkaller.appspot.com/bug?extid=c0b807de416427ff3dd1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=141ffd77600000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11edd580e00000

Reported-by: syzbot+c0b807de416427ff3dd1@...kaller.appspotmail.com
Fixes: 26d051e301f6 ("media: exynos4-is: fimc-is-i2c: constify dev_pm_ops  
structures")

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