------------[ cut here ]------------
WARNING: CPU: 0 PID: 15940 at net/bluetooth/hci_conn.c:567 hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:567
Modules linked in:
CPU: 0 UID: 0 PID: 15940 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:567
Code: 00 e8 8a 77 5e f7 4c 89 f1 4c 89 e2 48 c7 c6 a0 8d d8 8c 48 c7 c7 c8 cc 7e 90 e8 71 a3 7f fa e9 4d ff ff ff e8 67 77 5e f7 90 <0f> 0b 90 e8 5e 77 5e f7 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00
RSP: 0018:ffffc9000461fc20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888056548948 RCX: ffffffff8a5dfc9f
RDX: ffff88801c358000 RSI: ffffffff8a5dfd49 RDI: 0000000000000005
RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000002bd1 R12: ffff888056548000
R13: 0000000000000000 R14: ffffffff90835d54 R15: ffffc9000461fd00
FS:  0000000000000000(0000) GS:ffff8881249dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000002ee030 CR3: 0000000061c3a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x672/0x7d0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>