------------[ cut here ]------------
WARNING: CPU: 0 PID: 5846 at net/bluetooth/hci_conn.c:568 hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568
Modules linked in:
CPU: 0 UID: 0 PID: 5846 Comm: kworker/u9:10 Not tainted 6.15.0-syzkaller-09161-g0f70f5b08a47 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568
Code: 48 89 df e8 03 fc 08 00 eb 07 e8 7c 3b 5d f7 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 37 cf fe ff e8 62 3b 5d 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:ffffc900044cfa50 EFLAGS: 00010293
RAX: ffffffff8a6305ee RBX: ffff88807bdb8000 RCX: ffff888063175a00
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
RBP: 00000000fffffffe R08: ffff88807bdb8013 R09: 1ffff1100f7b7002
R10: dffffc0000000000 R11: ffffed100f7b7003 R12: dffffc0000000000
R13: ffff88801eac0418 R14: ffff88807bdb8948 R15: ffff88807bdb8010
FS:  0000000000000000(0000) GS:ffff888125c65000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f28c1800000 CR3: 000000005dbec000 CR4: 00000000003526f0
DR0: 0000000000000007 DR1: 000000000000000b DR2: 0000000000000002
DR3: 0000000000000009 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>