Re: [syzbot] INFO: task hung in hci_dev_do_open (2)

From: syzbot
Date: Wed Jun 22 2022 - 00:37:14 EST


syzbot has bisected this issue to:

commit d0b137062b2de75b264b84143d21c98abc5f5ad2
Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
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=1376c63ff00000
start commit: 38a288f5941e Add linux-next specific files for 20220506
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=10f6c63ff00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1776c63ff00000
kernel config: https://syzkaller.appspot.com/x/.config?x=6f4fbf50aa82985b
dashboard link: https://syzkaller.appspot.com/bug?extid=e68a3899a8927b14f863
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111555fef00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1629b3eaf00000

Reported-by: syzbot+e68a3899a8927b14f863@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: d0b137062b2d ("Bluetooth: hci_sync: Rework init stages")

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