Bluetooth: hci2: unexpected cc 0x204b length: 9 > 3
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WARNING: CPU: 0 PID: 47 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668
Modules linked in:
CPU: 0 PID: 47 Comm: kworker/u5:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: hci0 hci_conn_timeout
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668
lr : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668
sp : ffff80001cf67b30
x29: ffff80001cf67b30 x28: ffff0000d72bdc00 x27: ffff0000d6f58330
x26: ffff0000c4e2b018 x25: 1fffe000189c5603 x24: dfff800000000000
x23: ffff0000c4ae6000 x22: dfff800000000000 x21: 00000000ffffffff
x20: ffff0000d6f58000 x19: ffff0000d6f58330 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff80000804309c x15: ffff800017e3c000
x14: 0000000000000001 x13: 1fffe0001adeb002 x12: 0000000000ff0100
x11: ff00800010c1b620 x10: 0000000000000000 x9 : ffff800010c1b620
x8 : ffff0000c4ac5340 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001837bd18 x4 : 0000000000000008 x3 : ffff800010c1b45c
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
irq event stamp: 3366
hardirqs last  enabled at (3365): [<ffff800011b23ae4>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (3365): [<ffff800011b23ae4>] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202
hardirqs last disabled at (3366): [<ffff800011a38914>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2470): [<ffff8000081ac394>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (2470): [<ffff8000081ac394>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (2429): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
Bluetooth: hci1: command 0x0406 tx timeout