Re: INFO: task hung in vivid_stop_generating_vid_cap

[syzbot]

syzbot has bisected this bug to:

commit f2fe89061d79706eca5c47e4efdc09bbc171e74a
Author: Helen Koike <helen.koike@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f2fe89061d79 ("[media] vimc: Virtual Media Controller core, capture  
and sensor")

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