------------[ cut here ]------------
WARNING: CPU: 1 PID: 5331 at kernel/workqueue.c:1438 __queue_work+0xf70/0x13b0 kernel/workqueue.c:1438
Modules linked in:
CPU: 1 PID: 5331 Comm: syz-executor.5 Not tainted 6.1.0-rc3-syzkaller-00667-ga679120edfcf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__queue_work+0xf70/0x13b0 kernel/workqueue.c:1438
Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 38 55 7a 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 f9 fd 2d 00 85 db 75 42 e8 20 01 2e 00 <0f> 0b e9 7e f7 ff ff e8 14 01 2e 00 0f 0b e9 10 f7 ff ff e8 08 01
RSP: 0018:ffffc900001e0c98 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100
RDX: ffff8880183bba80 RSI: ffffffff814eab70 RDI: 0000000000000005
RBP: ffffc900001e0d60 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff88806c238b30
R13: ffff88806c238b78 R14: 0000000000000000 R15: ffff88807b9b7800
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c732824000 CR3: 000000007ecd2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers.part.0+0x4a3/0xaf0 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x1f7/0xad8 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 4e dc cd f7 48 89 ef e8 96 48 ce f7 e8 e1 3e f1 f7 fb bf 01 00 00 00 <e8> d6 dd c0 f7 65 8b 05 bf 8a 70 76 85 c0 74 02 5d c3 e8 ee 92 6e
RSP: 0018:ffffc900034df8a0 EFLAGS: 00000202
RAX: 0000000000007c3b RBX: ffff888027a02800 RCX: 1ffffffff212687e
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff888017b08000 R08: 0000000000000001 R09: ffffffff90931947
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807b9b7800 R14: ffff88807b9b7820 R15: ffff888017b08000
 drain_workqueue+0x251/0x3c0 kernel/workqueue.c:2983
 hci_dev_close_sync+0x2ef/0x1200 net/bluetooth/hci_sync.c:4809
 hci_dev_do_close+0x2d/0x70 net/bluetooth/hci_core.c:554
 hci_unregister_dev+0x17f/0x4e0 net/bluetooth/hci_core.c:2702
 vhci_release+0x7c/0xf0 drivers/bluetooth/hci_vhci.c:568
 __fput+0x27c/0xa90 fs/file_table.c:320
 task_work_run+0x16b/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xb35/0x2a20 kernel/exit.c:820
 do_group_exit+0xd0/0x2a0 kernel/exit.c:950
 get_signal+0x21a1/0x2430 kernel/signal.c:2858
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa886e8b639
Code: Unable to access opcode bytes at 0x7fa886e8b60f.
RSP: 002b:00007fa887ca9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa886fabf88 RCX: 00007fa886e8b639
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa886fabf88
RBP: 00007fa886fabf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa886fabf8c
R13: 00007ffea811a04f R14: 00007fa887ca9300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	55                   	push   %rbp
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 4e dc cd f7       	callq  0xf7cddc65
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 96 48 ce f7       	callq  0xf7ce48b5
  1f:	e8 e1 3e f1 f7       	callq  0xf7f13f05
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 d6 dd c0 f7       	callq  0xf7c0de05 <-- trapping instruction
  2f:	65 8b 05 bf 8a 70 76 	mov    %gs:0x76708abf(%rip),%eax        # 0x76708af5
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5d                   	pop    %rbp
  3b:	c3                   	retq
  3c:	e8                   	.byte 0xe8
  3d:	ee                   	out    %al,(%dx)
  3e:	92                   	xchg   %eax,%edx
  3f:	6e                   	outsb  %ds:(%rsi),(%dx)