------------[ cut here ]------------
WARNING: CPU: 0 PID: 4189 at net/bluetooth/hci_conn.c:443 hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:443
Modules linked in:
CPU: 0 PID: 4189 Comm: kworker/u5:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:443
Code: 89 8d e8 b4 b0 e2 f8 48 8b 35 e5 5d ae 04 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 16 6f 72 f8 e8 b1 a4 9d f8 <0f> 0b e9 35 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd
RSP: 0000:ffffc90002f8fc08 EFLAGS: 00010293
RAX: ffffffff88db7d8f RBX: ffff888079446138 RCX: ffff888064ec5940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffff888079446013 R09: 1ffff1100f288c02
R10: dffffc0000000000 R11: ffffed100f288c03 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888079446000 R15: ffff888079446010
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffe70 CR3: 000000002ae80000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>