------------[ cut here ]------------
WARNING: net/bluetooth/hci_conn.c:567 at hci_conn_timeout+0xff/0x2d0 net/bluetooth/hci_conn.c:567, CPU#0: kworker/u9:4/5839
Modules linked in:
CPU: 0 UID: 0 PID: 5839 Comm: kworker/u9:4 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0xff/0x2d0 net/bluetooth/hci_conn.c:567
Code: 48 89 df e8 23 7d 09 00 eb 07 e8 1c 54 68 f7 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 27 b6 fe ff e8 02 54 68 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:ffffc9000403fa50 EFLAGS: 00010293
RAX: ffffffff8a59645e RBX: ffff88802a748000 RCX: ffff888034098000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffff88802a748013 R09: 1ffff110054e9002
R10: dffffc0000000000 R11: ffffed10054e9003 R12: dffffc0000000000
R13: 1ffff11006813090 R14: ffff88802a748a40 R15: ffff88802a748010
FS:  0000000000000000(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c4520ec CR3: 000000002f350000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0x9b0/0xee0 kernel/workqueue.c:3443
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>