------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: CPU: 1 PID: 8970 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0
Modules linked in:
CPU: 1 UID: 0 PID: 8970 Comm: syz-executor Not tainted 6.16.0-rc3-syzkaller-00159-g223e2288f4b8-dirty #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 69 0f 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 40 e1 89 8b 4c 89 fa e8 1f 34 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 80 8b 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc900001e0b08 EFLAGS: 00010046
RAX: d97ee79678607200 RBX: 0000000000000100 RCX: ffff888026c79cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff110212eef38 R08: ffff888136624293 R09: 1ffff11026cc4852
R10: dffffc0000000000 R11: ffffed1026cc4853 R12: dffffc0000000000
R13: ffff88803b0e4988 R14: 0000000000000008 R15: ffff888109777978
FS:  0000555589a15500(0000) GS:ffff8881a3c1d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe47bd7780 CR3: 000000010f8cc000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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 3b fd 01 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:ffffc90002c5f768 EFLAGS: 00000206
RAX: d97ee79678607200 RBX: 0000000000000000 RCX: d97ee79678607200
RDX: ffffffff9350edf8 RSI: ffffffff8db8453a RDI: ffffffff8be28fc0
RBP: ffffffff818b1355 R08: 0000000000000008 R09: ffffffff95c00520
R10: 000000004073b104 R11: 00000000d6013923 R12: 0000000000000000
R13: ffff888109777948 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_unregister_dev+0x21a/0x510
 vhci_release+0x80/0xd0
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x22e0
 do_group_exit+0x21c/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x21ba/0x21c0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ac638e929
Code: Unable to access opcode bytes at 0x7f6ac638e8ff.
RSP: 002b:00007ffe47bd9958 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ac638e929
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007f6ac63ee8f0 R08: 00007ffe47bd76f7 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffe47bd9b10
 </TASK>
