------------[ cut here ]------------
WARNING: CPU: 0 PID: 3678 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90
Modules linked in:
CPU: 0 PID: 3678 Comm: syz-executor Not tainted 6.1.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441
Code: 8b 3c 24 e8 76 9e 88 00 e9 d9 fc ff ff e8 6c 23 31 00 89 ee 48 c7 c7 80 99 1d 8d e8 3e c3 0a 03 e9 1e fc ff ff e8 54 23 31 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3e 23 31 00
RSP: 0000:ffffc90000007af8 EFLAGS: 00010046
RAX: ffffffff8159806c RBX: 00000000000b0012 RCX: ffff8880202c8000
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815a6db5 R09: fffffbfff1d33a7e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff8880221a6000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1a3a6e000 CR3: 0000000078139000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1544 [inline]
 __run_timers+0x6a8/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
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: d1 9d f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 0e cb ba f6 48 89 df e8 76 08 bc f6 e8 f1 98 e1 f6 fb bf 01 00 00 00 <e8> f6 98 ae f6 65 8b 05 97 a1 52 75 85 c0 74 02 5b c3 e8 44 c5 50
RSP: 0000:ffffc90003d4f470 EFLAGS: 00000282
RAX: 23245f98e496f100 RBX: ffff888018ad4000 RCX: ffffffff816ae04a
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffffbfff20e7645
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888018ad4000
R13: ffff88805d1e8010 R14: ffff88805d1e8078 R15: ffff8880221a6000
 flush_workqueue_prep_pwqs+0x2ad/0x4b0 kernel/workqueue.c:2784
 __flush_workqueue+0x54a/0x1610 kernel/workqueue.c:2838
 drain_workqueue+0xc5/0x390 kernel/workqueue.c:2977
 hci_dev_close_sync+0x47d/0x1020 net/bluetooth/hci_sync.c:5051
 hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
 hci_unregister_dev+0x207/0x500 net/bluetooth/hci_core.c:2704
 vhci_release+0x7f/0xd0 drivers/bluetooth/hci_vhci.c:573
 __fput+0x3f6/0x8d0 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa73/0x26a0 kernel/exit.c:871
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2870
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f163a3788bc
Code: Unable to access opcode bytes at 0x7f163a378892.
RSP: 002b:00007ffc979a3620 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 00007f163a3788bc
RDX: 0000000000000028 RSI: 00007ffc979a36d0 RDI: 00000000000000f9
RBP: 00007ffc979a367c R08: 0000000000000000 R09: 0079746972756365
R10: 00007ffc979a2fe0 R11: 0000000000000246 R12: 0000000000000032
R13: 000000000000efa0 R14: 000000000000efa0 R15: 00007ffc979a36d0
 </TASK>
----------------
Code disassembly (best guess):
   0:	d1 9d f5 ff 90 53    	rcrl   0x5390fff5(%rbp)
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 0e cb ba f6       	call   0xf6bacb25
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 76 08 bc f6       	call   0xf6bc0895
  1f:	e8 f1 98 e1 f6       	call   0xf6e19915
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 f6 98 ae f6       	call   0xf6ae9925 <-- trapping instruction
  2f:	65 8b 05 97 a1 52 75 	mov    %gs:0x7552a197(%rip),%eax        # 0x7552a1cd
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	44                   	rex.R
  3e:	c5                   	.byte 0xc5
  3f:	50                   	push   %rax