------------[ cut here ]------------
workqueue: cannot queue hci_conn_timeout on wq hci0
WARNING: CPU: 0 PID: 10245 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0
Modules linked in:
CPU: 0 UID: 0 PID: 10245 Comm: syz.1.1196 Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__queue_work+0xd62/0xfe0
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 19 d7 98 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 00 e9 89 8b 4c 89 fa e8 1f 34 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 40 54 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000007b08 EFLAGS: 00010046
RAX: 22c7f466f50b2e00 RBX: 0000000000000100 RCX: ffff888023825640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff11021f0ec38 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa64 R12: dffffc0000000000
R13: ffff888024de8960 R14: 0000000000000008 R15: ffff88810f876178
FS:  00007fbaff35f6c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbaff35efc8 CR3: 000000003c4e6000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x646/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 9b 10 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900035d7888 EFLAGS: 00000206
RAX: 22c7f466f50b2e00 RBX: 0000000000000000 RCX: 22c7f466f50b2e00
RDX: ffffffff934ea0a0 RSI: ffffffff8db86598 RDI: ffffffff8be29dc0
RBP: ffffffff818b2295 R08: 0000000000000008 R09: ffffffff95cf4fc8
R10: 0000000046704f4c R11: 0000000006a14114 R12: 0000000000000000
R13: ffff88810f876148 R14: 0000000000000001 R15: 0000000000000246
 touch_wq_lockdep_map+0xcb/0x180
 __flush_workqueue+0x121/0x14b0
 drain_workqueue+0xd3/0x390
 hci_dev_close_sync+0x659/0x1330
 hci_dev_close+0x108/0x200
 sock_do_ioctl+0xdc/0x300
 sock_ioctl+0x576/0x790
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbafe58e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbaff35f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbafe7b6160 RCX: 00007fbafe58e929
RDX: 0000000000000000 RSI: 00000000400448ca RDI: 000000000000000d
RBP: 00007fbafe610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbafe7b6160 R15: 00007ffe1e30d398
 </TASK>
