------------[ cut here ]------------
WARNING: CPU: 1 PID: 4329 at net/bluetooth/hci_conn.c:683 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683
Modules linked in:
CPU: 1 PID: 4329 Comm: kworker/u5:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
Workqueue: hci2 hci_conn_timeout
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683
lr : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683
sp : ffff8000220c7b60
x29: ffff8000220c7b60 x28: 0000000000000001 x27: ffff0000d3ff6330
x26: 0000000000000002 x25: ffff0000d3e8fc00 x24: ffff0000c4bce800
x23: ffff0000d6e77218 x22: dfff800000000000 x21: 00000000ffffffff
x20: ffff0000d3ff6000 x19: ffff0000d3ff6330 x18: 1fffe00033c1c97e
x17: ffff80001641d000 x16: ffff800011bcb318 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe0001a7fec02 x12: 0000000000000000
x11: ff00800010da0928 x10: 0000000000000000 x9 : ffff800010da0928
x8 : ffff0000d3fa9c00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000195aadd8 x4 : 0000000000000008 x3 : ffff800010da0760
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683
 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292
 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
irq event stamp: 9630
hardirqs last  enabled at (9629): [<ffff800011cb28fc>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (9629): [<ffff800011cb28fc>] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202
hardirqs last disabled at (9630): [<ffff800011bc7440>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (9574): [<ffff8000081ae3b4>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (9574): [<ffff8000081ae3b4>] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624
softirqs last disabled at (9257): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
Bluetooth: hci1: command 0x0406 tx timeout