Bluetooth: hci3: command 0x2016 tx timeout Bluetooth: hci2: unexpected subevent 0x01 length: 150 > 18 Bluetooth: hci2: unexpected event 0x08 length: 151 > 4 ------------[ cut here ]------------ refcnt < 0 WARNING: net/bluetooth/hci_conn.c:641 at hci_conn_timeout+0xff/0x2c0 net/bluetooth/hci_conn.c:641, CPU#0: kworker/u9:3/5618 Modules linked in: CPU: 0 UID: 0 PID: 5618 Comm: kworker/u9:3 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: hci3 hci_conn_timeout RIP: 0010:hci_conn_timeout+0xff/0x2c0 net/bluetooth/hci_conn.c:641 Code: 48 89 df e8 33 f5 09 00 eb 07 e8 9c 1e f0 f6 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 d7 9f fe ff e8 82 1e f0 f6 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:ffffc90004317ab0 EFLAGS: 00010293 RAX: ffffffff8ad7b7ce RBX: ffff888054674000 RCX: ffff88807a091f40 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffff888054674013 R09: 1ffff1100a8ce802 R10: dffffc0000000000 R11: ffffed100a8ce803 R12: dffffc0000000000 R13: ffffffff818fa8ca R14: ffff888054674a50 R15: ffff888054674010 FS: 0000000000000000(0000) GS:ffff888124cd5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c31942d CR3: 0000000057e4e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245