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Date:   Thu, 21 Mar 2019 17:04:00 -0700
From:   syzbot <syzbot+4e12d2d56f8ccc65c180@...kaller.appspotmail.com>
To:     andy@...yhouse.net, davem@...emloft.net, hverkuil@...all.nl,
        j.vosburgh@...il.com, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, maheshb@...gle.com,
        mchehab@...nel.org, netdev@...r.kernel.org,
        sakari.ailus@...ux.intel.com, satendra.t@...sung.com,
        syzkaller-bugs@...glegroups.com, vfalico@...il.com,
        viro@...iv.linux.org.uk
Subject: Re: KASAN: use-after-free Write in __vb2_cleanup_fileio

syzbot has bisected this bug to:

commit 4493b81bea24269df898339dee638d7c5cb2b2df
Author: Mahesh Bandewar <maheshb@...gle.com>
Date:   Wed Mar 8 18:55:54 2017 +0000

     bonding: initialize work-queues during creation of bond

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1232b037200000
start commit:   4493b81b bonding: initialize work-queues during creation o..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1132b037200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1632b037200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=62118286bb772a24
dashboard link: https://syzkaller.appspot.com/bug?extid=4e12d2d56f8ccc65c180
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1346e183400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=117c2713400000

Reported-by: syzbot+4e12d2d56f8ccc65c180@...kaller.appspotmail.com
Fixes: 4493b81bea24 ("bonding: initialize work-queues during creation of  
bond")

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

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