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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 0 PID: 5325 at kernel/workqueue.c:2258 __queue_work+0xdff/0x10a0 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-03565-gf6e0150b2003 #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+0xdff/0x10a0 kernel/workqueue.c:2256
Code: e8 03 80 3c 28 00 74 08 4c 89 ff e8 9b 68 a1 00 49 8b 37 49 81 c5 78 01 00 00 48 c7 c7 60 d7 29 8c 4c 89 ea e8 82 60 f8 ff 90 <0f> 0b 90 90 e9 5d f4 ff ff e8 f3 3b 39 00 90 0f 0b 90 e9 a7 fc ff
RSP: 0018:ffffc90000007ae8 EFLAGS: 00010046
RAX: 7fa338dfb4fcd800 RBX: 0000000000000100 RCX: ffff88801f1d4880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81829db2 R09: fffffbfff1d3a73c
R10: dffffc0000000000 R11: fffffbfff1d3a73c R12: 1ffff1100819d438
R13: ffff888040cea178 R14: 0000000000000008 R15: ffff888040ecc948
FS:  00007f88f56b46c0(0000) GS:ffff88808c824000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000444c6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x189/0x650 kernel/time/timer.c:1789
 expire_timers kernel/time/timer.c:1835 [inline]
 __run_timers kernel/time/timer.c:2414 [inline]
 __run_timer_base+0x699/0x8e0 kernel/time/timer.c:2426
 run_timer_base kernel/time/timer.c:2435 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xfb/0x220 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+0xa6/0xc0 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+0x167/0x2f0 arch/x86/include/asm/irqflags.h:-1
Code: c7 44 24 10 00 00 00 00 9c 8f 44 24 10 f7 44 24 10 00 02 00 00 0f 85 fd 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 45 00 <48> 3b 44 24 38 0f 85 72 01 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000d42f868 EFLAGS: 00000206
RAX: 7fa338dfb4fcd800 RBX: ffff888040cea148 RCX: 7fa338dfb4fcd800
RDX: ffffffff93ee1d60 RSI: ffffffff8e2c3e91 RDI: ffffffff8c80efe0
RBP: ffffffff933fc020 R08: 0000000000000008 R09: ffffffff966052b8
R10: ffffffff966052d0 R11: ffffffff81aeea80 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000
 touch_wq_lockdep_map+0xc7/0x170 kernel/workqueue.c:3907
 __flush_workqueue+0x14c/0x1280 kernel/workqueue.c:3949
 drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4113
 hci_dev_close_sync+0x5ff/0x1260 net/bluetooth/hci_sync.c:5183
 hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
 hci_dev_close+0x112/0x210 net/bluetooth/hci_core.c:508
 sock_do_ioctl+0x15a/0x490 net/socket.c:1199
 sock_ioctl+0x64a/0x900 net/socket.c:1318
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f88f478d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f88f56b4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f88f49a5fa0 RCX: 00007f88f478d169
RDX: 0000000000000000 RSI: 00000000400448ca RDI: 0000000000000004
RBP: 00007f88f480e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f88f49a5fa0 R15: 00007ffe0441d708
 </TASK>
----------------
Code disassembly (best guess):
   0:	c7 44 24 10 00 00 00 	movl   $0x0,0x10(%rsp)
   7:	00
   8:	9c                   	pushf
   9:	8f 44 24 10          	pop    0x10(%rsp)
   d:	f7 44 24 10 00 02 00 	testl  $0x200,0x10(%rsp)
  14:	00
  15:	0f 85 fd 00 00 00    	jne    0x118
  1b:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	65 48 8b 45 00       	mov    %gs:0x0(%rbp),%rax
* 2a:	48 3b 44 24 38       	cmp    0x38(%rsp),%rax <-- trapping instruction
  2f:	0f 85 72 01 00 00    	jne    0x1a7
  35:	48 83 c4 40          	add    $0x40,%rsp
  39:	5b                   	pop    %rbx
  3a:	41 5c                	pop    %r12
  3c:	41 5d                	pop    %r13
  3e:	41 5e                	pop    %r14