------------[ cut here ]------------
WARNING: CPU: 1 PID: 9445 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 9445 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 5f a6 99 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 fa 36 00 85 db 75 60 e8 27 f8 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 f8 36 00 90 0f 0b 90 e9 7e f6 ff ff
RSP: 0018:ffffc900006b0be8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81631bc1
RDX: ffff888026878000 RSI: ffffffff81631c19 RDI: 0000000000000005
RBP: ffff888032494930 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000002 R12: 1ffff920000d618f
R13: 0000000000000001 R14: 0000000000000100 R15: ffff888050685000
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd6dbe8f6f CR3: 000000002d31a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1839 [inline]
 __run_timers+0x56a/0x930 kernel/time/timer.c:2418
 __run_timer_base kernel/time/timer.c:2430 [inline]
 __run_timer_base kernel/time/timer.c:2422 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2439
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 40 c1 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc9000dc87678 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92001b90ed0 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8b6cdb40 RDI: ffffffff8bd1e7e0
RBP: 0000000000000200 R08: 0000000000219eb8 R09: fffffbfff2dfd0a2
R10: ffffffff96fe8517 R11: ffffffff961f4408 R12: 0000000000000000
R13: ffff888050685148 R14: 0000000000000000 R15: 0000000000000000
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:3894
 __flush_workqueue+0x129/0x1200 kernel/workqueue.c:3936
 drain_workqueue+0x18f/0x3d0 kernel/workqueue.c:4100
 hci_dev_close_sync+0x398/0x11a0 net/bluetooth/hci_sync.c:5198
 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:482
 hci_unregister_dev+0x213/0x620 net/bluetooth/hci_core.c:2697
 vhci_release+0x79/0xf0 drivers/bluetooth/hci_vhci.c:664
 __fput+0x3f8/0xb60 fs/file_table.c:450
 task_work_run+0x14e/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xadd/0x2d70 kernel/exit.c:938
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3017
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e11fb85c5
Code: Unable to access opcode bytes at 0x7f9e11fb859b.
RSP: 002b:00007ffd6dbe7cf0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 000000000000002a RCX: 00007f9e11fb85c5
RDX: 00007ffd6dbe7d30 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd6dbe7d8c R08: 0000000000000000 R09: 00007f9e12e84000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000001d3bb R14: 00007ffd6dbe7de0 R15: 0000000000000bb8
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   5:	65 0f c1 05 40 c1 8b 	xadd   %eax,%gs:0x7e8bc140(%rip)        # 0x7e8bc14d
   c:	7e
   d:	83 f8 01             	cmp    $0x1,%eax
  10:	0f 85 d0 01 00 00    	jne    0x1e6
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	0f 85 e5 01 00 00    	jne    0x206
  21:	48 85 ed             	test   %rbp,%rbp
  24:	0f 85 b6 01 00 00    	jne    0x1e0
* 2a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax <-- trapping instruction
  31:	fc ff df
  34:	48 01 c3             	add    %rax,%rbx
  37:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7