------------[ cut here ]------------
WARNING: CPU: 1 PID: 4335 at net/bluetooth/hci_conn.c:670 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:670
Modules linked in:
CPU: 1 PID: 4335 Comm: kworker/u5:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
Workqueue: hci0 hci_conn_timeout
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:670
lr : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:670
sp : ffff800021137b60
x29: ffff800021137b60 x28: 0000000000000001 x27: ffff0000d3174330
x26: 0000000000000002 x25: ffff0000cc6cbc00 x24: ffff0000c4eda000
x23: ffff0000c2f09a18 x22: dfff800000000000 x21: 00000000ffffffff
x20: ffff0000d3174000 x19: ffff0000d3174330 x18: 000000000b1f3fbd
x17: ffff800010d71170 x16: ffff800011ba0e90 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe0001a62e802 x12: 0000000000000000
x11: ff00800010d804f0 x10: 0000000000000000 x9 : ffff800010d804f0
x8 : ffff0000d9910000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001850edd8 x4 : 0000000000000008 x3 : ffff800010d80328
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:670
 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: 7050
hardirqs last  enabled at (7049): [<ffff800011c882f4>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (7049): [<ffff800011c882f4>] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202
hardirqs last disabled at (7050): [<ffff800011b9d0cc>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (4648): [<ffff8000081ae3b4>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (4648): [<ffff8000081ae3b4>] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624
softirqs last disabled at (4639): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
Bluetooth: hci1: command 0x040f tx timeout
Bluetooth: hci3: command 0x0406 tx timeout