linux-kernel - Re: WARNING in vb2_core

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Message-ID: <000000000000b87c6405849cc2d6@google.com>
Date:   Thu, 21 Mar 2019 08:55:00 -0700
From:   syzbot <syzbot+f9966a25169b6d66d61f@...kaller.appspotmail.com>
To:     dafna3@...il.com, hans.verkuil@...co.com, hverkuil-cisco@...all.nl,
        kyungmin.park@...sung.com, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, m.szyprowski@...sung.com,
        mchehab+samsung@...nel.org, mchehab@...nel.org, pawel@...iak.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in vb2_core_reqbufs

syzbot has bisected this bug to:

commit 3b15f68e19c28a76d175f61943a8c23224afce93
Author: Dafna Hirschfeld <dafna3@...il.com>
Date:   Mon Jan 21 11:46:18 2019 +0000

     media: vicodec: Add support for resolution change event.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1662bfbd200000
start commit:   3b15f68e media: vicodec: Add support for resolution change..
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1562bfbd200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1162bfbd200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a2b2e9c0bc43c14d
dashboard link: https://syzkaller.appspot.com/bug?extid=f9966a25169b6d66d61f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1342c7a0c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15a241c4c00000

Reported-by: syzbot+f9966a25169b6d66d61f@...kaller.appspotmail.com
Fixes: 3b15f68e19c2 ("media: vicodec: Add support for resolution change  
event.")

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