linux-kernel - Re: INFO: task hung in vivid_stop_generating_vid

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Date:   Fri, 22 Mar 2019 15:45:00 -0700
From:   syzbot <syzbot+06283a66a648cd073885@...kaller.appspotmail.com>
To:     andy@...yhouse.net, davem@...emloft.net, dvyukov@...gle.com,
        hans.verkuil@...co.com, helen.koike@...labora.com,
        hverkuil@...all.nl, j.vosburgh@...il.com,
        linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, maheshb@...gle.com,
        mchehab@...nel.org, mchehab@...pensource.com,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        vfalico@...il.com
Subject: Re: INFO: task hung in vivid_stop_generating_vid_cap

syzbot has bisected this bug to:

commit f2fe89061d79706eca5c47e4efdc09bbc171e74a
Author: Helen Koike <helen.koike@...labora.com>
Date:   Fri Apr 7 17:55:19 2017 +0000

     [media] vimc: Virtual Media Controller core, capture and sensor

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12ea247d200000
start commit:   9f51ae62 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=11ea247d200000
console output: https://syzkaller.appspot.com/x/log.txt?x=16ea247d200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=62118286bb772a24
dashboard link: https://syzkaller.appspot.com/bug?extid=06283a66a648cd073885
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15701a33400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=154c8e4d400000

Reported-by: syzbot+06283a66a648cd073885@...kaller.appspotmail.com
Fixes: f2fe89061d79 ("[media] vimc: Virtual Media Controller core, capture  
and sensor")

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