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Date:   Mon, 10 Aug 2020 20:35:08 -0700
From:   syzbot <syzbot+7b1677fecb5976b0a099@...kaller.appspotmail.com>
To:     clm@...com, davem@...emloft.net, dsterba@...e.com,
        johan.hedberg@...il.com, josef@...icpanda.com, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, marcel@...tmann.org,
        nborisov@...e.com, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Write in hci_conn_del

syzbot has bisected this issue to:

commit 6a3c7f5c87854e948c3c234e5f5e745c7c553722
Author: Nikolay Borisov <nborisov@...e.com>
Date:   Thu May 28 08:05:13 2020 +0000

    btrfs: don't balance btree inode pages from buffered write path

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14f973c2900000
start commit:   5631c5e0 Merge tag 'xfs-5.9-merge-7' of git://git.kernel.o..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16f973c2900000
console output: https://syzkaller.appspot.com/x/log.txt?x=12f973c2900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=afba7c06f91e56eb
dashboard link: https://syzkaller.appspot.com/bug?extid=7b1677fecb5976b0a099
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=155d73fa900000

Reported-by: syzbot+7b1677fecb5976b0a099@...kaller.appspotmail.com
Fixes: 6a3c7f5c8785 ("btrfs: don't balance btree inode pages from buffered write path")

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

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