------------[ cut here ]------------
WARNING: CPU: 0 PID: 5936 at kernel/workqueue.c:1438 __queue_work+0xe55/0x1000
Modules linked in:
CPU: 0 PID: 5936 Comm: syz-executor.0 Not tainted 6.1.20-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:__queue_work+0xe55/0x1000 kernel/workqueue.c:1438
Code: 8b 3c 24 e8 9d 4a 87 00 e9 94 fc ff ff e8 13 e6 30 00 89 ee 48 c7 c7 c0 5c dd 8c e8 75 a0 0c 03 e9 d7 fb ff ff e8 fb e5 30 00 <0f> 0b 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e5 e5 30 00
RSP: 0018:ffffc90000007af0 EFLAGS: 00010046
RAX: ffffffff81597b25 RBX: 00000000000b0012 RCX: ffff88807ce58000
RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815a5d65 R09: fffffbfff1ca5dae
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008
R13: dffffc0000000000 R14: ffff888077c5cb30 R15: ffff88801d8bf800
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 000000000cc8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x200/0x840 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+0x30d/0xb1b 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: c1 3e f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 57 d6 f6 48 89 df e8 b6 95 d7 f6 e8 c1 01 fd f6 fb bf 01 00 00 00 <e8> 96 4f ca f6 65 8b 05 d7 5f 6e 75 85 c0 74 02 5b c3 e8 e4 80 6c
RSP: 0018:ffffc900032af6b8 EFLAGS: 00000286
RAX: f62045c5076c0e00 RBX: ffff88801878a000 RCX: ffffffff816aaefa
RDX: dffffc0000000000 RSI: ffffffff8aebd320 RDI: 0000000000000001
RBP: ffff8880207ff868 R08: dffffc0000000000 R09: fffffbfff204d831
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110040fff00
R13: ffff88801d8bf800 R14: ffff8880207ff800 R15: ffff8880207ff868
 drain_workqueue+0x19e/0x390 kernel/workqueue.c:2983
 hci_dev_close_sync+0x435/0x1000 net/bluetooth/hci_sync.c:4817
 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:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x60/0x2d0 kernel/entry/common.c:296
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa71dc8c0f9
Code: Unable to access opcode bytes at 0x7fa71dc8c0cf.
RSP: 002b:00007fa71e9ad168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 00007fa71ddabf80 RCX: 00007fa71dc8c0f9
RDX: fffffffdffffffff RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007fa71dce7b39 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffac7f7b5f R14: 00007fa71e9ad300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 3e f6             	sarl   $0xf6,(%rsi)
   3:	ff 90 53 48 89 fb    	callq  *-0x476b7ad(%rax)
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 be 57 d6 f6       	callq  0xf6d657d5
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 b6 95 d7 f6       	callq  0xf6d795d5
  1f:	e8 c1 01 fd f6       	callq  0xf6fd01e5
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 96 4f ca f6       	callq  0xf6ca4fc5 <-- trapping instruction
  2f:	65 8b 05 d7 5f 6e 75 	mov    %gs:0x756e5fd7(%rip),%eax        # 0x756e600d
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	retq
  3c:	e8                   	.byte 0xe8
  3d:	e4 80                	in     $0x80,%al
  3f:	6c                   	insb   (%dx),%es:(%rdi)