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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 0 PID: 13285 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 13285 Comm: syz.9.8740 Not tainted 6.16.0-rc4-syzkaller-00123-g4c06e63b9203 #0 PREEMPT(full) 
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+0xc9c/0x10f0 kernel/workqueue.c:2256
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 f2 48 c7 c7 80 fd ab 8b e8 45 44 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 f6 30 38 00 90 0f 0b 90 e9 1b f6 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817aa1f8
RDX: ffff88801c75c880 RSI: ffffffff817aa205 RDI: 0000000000000001
RBP: ffff888055654970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000000f8f
R13: 0000000000000100 R14: ffff88804b910978 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888097522000(0063) knlGS:00000000f507eb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000003080bffc CR3: 0000000070280000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x19a/0x620 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2372
 __run_timer_base kernel/time/timer.c:2384 [inline]
 __run_timer_base kernel/time/timer.c:2376 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2393
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875
Code: d9 37 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 d2 7e 11 0f 0f 82 74 02 00 00 8b 35 9a b0 11 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 69 d9 37 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc90003b0f938 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffff88804b910948 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8de04e18 RDI: ffffffff8c156a60
RBP: 0000000000000000 R08: 0dd6dd91624e97ec R09: ffffffff96db0760
R10: 0000000000000008 R11: 000000000000001e R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:3909
 __flush_workqueue+0x128/0x1230 kernel/workqueue.c:3951
 drain_workqueue+0x199/0x3d0 kernel/workqueue.c:4115
 hci_dev_close_sync+0x39b/0x11d0 net/bluetooth/hci_sync.c:5280
 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:501
 hci_dev_close+0x185/0x1e0 net/bluetooth/hci_core.c:526
 hci_sock_ioctl+0x2b3/0x7d0 net/bluetooth/hci_sock.c:1135
 hci_sock_compat_ioctl+0x43/0x80 net/bluetooth/hci_sock.c:1181
 compat_sock_ioctl+0x173/0x730 net/socket.c:3500
 __do_compat_sys_ioctl fs/ioctl.c:1005 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:948 [inline]
 __ia32_compat_sys_ioctl+0x23f/0x370 fs/ioctl.c:948
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x7c/0x3a0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf708e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f507e55c EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00000000400448ca
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	d9 37                	fnstenv (%rdi)
   2:	12 83 f8 07 0f 87    	adc    -0x78f0f808(%rbx),%al
   8:	bc 02 00 00 89       	mov    $0x89000002,%esp
   d:	c0 48 0f a3          	rorb   $0xa3,0xf(%rax)
  11:	05 d2 7e 11 0f       	add    $0xf117ed2,%eax
  16:	0f 82 74 02 00 00    	jb     0x290
  1c:	8b 35 9a b0 11 0f    	mov    0xf11b09a(%rip),%esi        # 0xf11b0bc
  22:	85 f6                	test   %esi,%esi
  24:	0f 85 8d 00 00 00    	jne    0xb7
* 2a:	48 8b 44 24 30       	mov    0x30(%rsp),%rax <-- trapping instruction
  2f:	65 48 2b 05 69 d9 37 	sub    %gs:0x1237d969(%rip),%rax        # 0x1237d9a0
  36:	12
  37:	0f 85 c7 02 00 00    	jne    0x304
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4