------------[ cut here ]------------
WARNING: CPU: 0 PID: 4198 at net/bluetooth/hci_conn.c:443 hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:443
Modules linked in:
CPU: 1 PID: 4198 Comm: kworker/u5:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:443
Code: 69 8d e8 74 80 f0 f8 48 8b 35 e5 e3 9d 04 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c6 54 81 f8 e8 41 18 ac 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:ffffc9000301fc08 EFLAGS: 00010293
RAX: ffffffff88cbb20f RBX: ffff88807e706138 RCX: ffff88801a5abb80
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffed100fce0c03
R10: ffffed100fce0c03 R11: 1ffff1100fce0c02 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88807e706000 R15: ffff88807e706010
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cbf68fd60 CR3: 000000002a3bb000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>