Bluetooth: hci1: unexpected event 0x07 length: 15 < 255
Bluetooth: hci3: unexpected event 0x08 length: 15 > 4
Bluetooth: hci0: command 0x0406 tx timeout
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4275 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:668
Modules linked in:
CPU: 1 PID: 4275 Comm: kworker/u5:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: hci0 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:668
Code: 1f 8e e8 14 68 ae f8 48 8b 35 25 ee fc 04 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 9e 30 f8 e8 91 4b 5e f8 <0f> 0b e9 35 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd
RSP: 0018:ffffc90004157c08 EFLAGS: 00010293
RAX: ffffffff8922848f RBX: ffff888058320330 RCX: ffff88802f0d1dc0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffed100b064003
R10: ffffed100b064003 R11: 1ffff1100b064002 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888058320000 R15: ffff888058320010
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e2e165990 CR3: 000000007e7ca000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff2 DR7: 0000000000000600
Call Trace:
 <TASK>
 process_one_work+0x898/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>