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Date:   Thu, 07 Nov 2019 05:42:06 -0800
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Subject: Re: INFO: task hung in vivid_stop_generating_vid_cap
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syzbot suspects this bug was fixed by commit:

commit d65842f7126aa1a87fb44b7c9980c12630ed4f33
Author: Hans Verkuil <hverkuil@xs4all.nl>
Date:   Mon Nov 19 11:09:00 2018 +0000

     media: vb2: add waiting_in_dqbuf flag

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1417a04a600000
start commit:   9f51ae62 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree:       upstream
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

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: media: vb2: add waiting_in_dqbuf flag

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