------------[ cut here ]------------
WARNING: CPU: 0 PID: 4338 at net/bluetooth/hci_conn.c:691 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691
Modules linked in:
CPU: 0 PID: 4338 Comm: kworker/u5:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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:691
lr : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691
sp : ffff800021bd7b60
x29: ffff800021bd7b60 x28: 0000000000000000 x27: ffff0000df508330
x26: 0000000000000001 x25: ffff0000d71eac00 x24: ffff0000c4fca000
x23: ffff0000c2fb0018 x22: dfff800000000000 x21: 00000000ffffffff
x20: ffff0000df508000 x19: ffff0000df508330 x18: 1fffe00033c2177e
x17: ffff8000163dd000 x16: ffff800011ba16d0 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe0001bea1002 x12: 0000000000000000
x11: ff00800010d6f9bc x10: 0000000000000000 x9 : ffff800010d6f9bc
x8 : ffff0000d9093800 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800019562d58 x4 : 0000000000000008 x3 : ffff800010d6f7f4
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691
 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:854
irq event stamp: 3364
hardirqs last  enabled at (3363): [<ffff800011b9f848>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (3363): [<ffff800011b9f848>] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (3364): [<ffff800011b9d7f8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2878): [<ffff8000081aec5c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (2878): [<ffff8000081aec5c>] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624
softirqs last disabled at (2865): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
Bluetooth: hci3: command 0x0406 tx timeout