linux-kernel - Re: [syzbot] INFO: task hung in hci_power

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Date:   Wed, 22 Jun 2022 12:43:08 -0700
From:   syzbot <syzbot+8d7b9ced2a99394b0a50@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com, hdanton@...a.com,
        johan.hedberg@...il.com, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        luiz.dentz@...il.com, luiz.von.dentz@...el.com,
        marcel@...tmann.org, netdev@...r.kernel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in hci_power_on

syzbot has bisected this issue to:

commit d0b137062b2de75b264b84143d21c98abc5f5ad2
Author: Luiz Augusto von Dentz <luiz.von.dentz@...el.com>
Date:   Wed Oct 27 23:58:59 2021 +0000

    Bluetooth: hci_sync: Rework init stages

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1674ba1ff00000
start commit:   9d004b2f4fea Merge tag 'cxl-for-5.19' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1574ba1ff00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1174ba1ff00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3c367f7c347f1679
dashboard link: https://syzkaller.appspot.com/bug?extid=8d7b9ced2a99394b0a50
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103f3755f00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17f4cf3df00000

Reported-by: syzbot+8d7b9ced2a99394b0a50@...kaller.appspotmail.com
Fixes: d0b137062b2d ("Bluetooth: hci_sync: Rework init stages")

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