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=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@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: d0b137062b2d ("Bluetooth: hci_sync: Rework init stages") For information about bisection process see: https://goo.gl/tpsmEJ#bisection