Bluetooth: hci3: unexpected event for opcode 0x0804 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5853 at net/bluetooth/hci_conn.c:567 hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:567 Modules linked in: CPU: 0 UID: 0 PID: 5853 Comm: kworker/u9:10 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: hci3 hci_conn_timeout RIP: 0010:hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:567 Code: 48 89 df e8 73 20 09 00 eb 07 e8 cc 06 7c f7 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 e7 c7 fe ff e8 b2 06 7c f7 90 <0f> 0b 90 eb 8c 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 31 ff ff ff RSP: 0018:ffffc90003d8fa30 EFLAGS: 00010293 RAX: ffffffff8a43fd5e RBX: ffff888031c54000 RCX: ffff888026829e40 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffff888031c54013 R09: 1ffff1100638a802 R10: dffffc0000000000 R11: ffffed100638a803 R12: dffffc0000000000 R13: ffff88801c3a5718 R14: ffff888031c54948 R15: ffff888031c54010 FS: 0000000000000000(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3faa6b CR3: 0000000054200000 CR4: 0000000000350ef0 Call Trace: process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245