------------[ cut here ]------------
WARNING: CPU: 1 PID: 16030 at kernel/workqueue.c:1438 __queue_work+0xda4/0xf50
Modules linked in:
CPU: 1 PID: 16030 Comm: syz-executor.2 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:__queue_work+0xda4/0xf50 kernel/workqueue.c:1438
Code: 8b 3c 24 e8 be f7 86 00 e9 f5 fc ff ff e8 b4 b1 30 00 89 ee 48 c7 c7 40 5d dd 8c e8 36 ea 05 03 e9 3a fc ff ff e8 9c b1 30 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 86 b1 30 00
RSP: 0018:ffffc900001e0b00 EFLAGS: 00010046
RAX: ffffffff81591724 RBX: 00000000000b0012 RCX: ffff88801ffc3a80
RDX: 0000000080000101 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff8159f965 R09: fffffbfff1ca5da6
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000008 R14: ffff888079a2d800 R15: 1ffff9200003c174
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557a283da950 CR3: 000000000cc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x19e/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers+0x6a8/0x890 kernel/time/timer.c:1790
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x91/0xb0 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: 81 3d f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 7e b7 de f6 48 89 df e8 d6 f3 df f6 e8 a1 3e 05 f7 fb bf 01 00 00 00 <e8> f6 b7 d2 f6 65 8b 05 d7 33 77 75 85 c0 74 02 5b c3 e8 d4 51 75
RSP: 0018:ffffc9000446f490 EFLAGS: 00000286
RAX: e0403e24f3c9ae00 RBX: ffff888019ed0000 RCX: ffffffff816a3a2a
RDX: dffffc0000000000 RSI: ffffffff8aebd020 RDI: 0000000000000001
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffffbfff2050445
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888019ed0000
R13: ffff888059120010 R14: ffff888059120078 R15: ffff888079a2d800
 flush_workqueue_prep_pwqs+0x2ad/0x4b0 kernel/workqueue.c:2781
 __flush_workqueue+0x556/0x1610 kernel/workqueue.c:2835
 drain_workqueue+0xc5/0x390 kernel/workqueue.c:2974
 hci_dev_close_sync+0x435/0x1000 net/bluetooth/hci_sync.c:4861
 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
 hci_unregister_dev+0x1c6/0x470 net/bluetooth/hci_core.c:2702
 vhci_release+0x7f/0xd0 drivers/bluetooth/hci_vhci.c:568
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2858
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3610ab0e91
Code: Unable to access opcode bytes at 0x7f3610ab0e67.
RSP: 002b:00007ffe5adada30 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 00007f3610babf80 RCX: 00007f3610ab0e91
RDX: 00007ffe5adada70 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3610bad980 R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001a9f84
R13: 00007ffe5adadb80 R14: 00007ffe5adadba0 R15: 0000000000000032
 </TASK>
----------------
Code disassembly (best guess):
   0:	81 3d f6 ff 90 53 48 	cmpl   $0x48fb8948,0x5390fff6(%rip)        # 0x53910000
   7:	89 fb 48
   a:	83 c7 18             	add    $0x18,%edi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 7e b7 de f6       	callq  0xf6deb795
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 d6 f3 df f6       	callq  0xf6dff3f5
  1f:	e8 a1 3e 05 f7       	callq  0xf7053ec5
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 f6 b7 d2 f6       	callq  0xf6d2b825 <-- trapping instruction
  2f:	65 8b 05 d7 33 77 75 	mov    %gs:0x757733d7(%rip),%eax        # 0x7577340d
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	retq
  3c:	e8                   	.byte 0xe8
  3d:	d4                   	(bad)
  3e:	51                   	push   %rcx
  3f:	75                   	.byte 0x75