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workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: CPU: 2 PID: 5963 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Modules linked in:
CPU: 2 UID: 0 PID: 5963 Comm: kworker/u33:3 Not tainted 6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #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
Workqueue: hci2 hci_cmd_work
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 c0 05 ac 8b e8 45 44 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 36 f8 37 00 90 0f 0b 90 e9 1b f6 ff
RSP: 0018:ffffc90000538be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ab108
RDX: ffff88802304c880 RSI: ffffffff817ab115 RDI: 0000000000000001
RBP: ffff88804fd10970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000a718f
R13: 0000000080000100 R14: ffff888028c60178 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888097721000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1cbffca068 CR3: 0000000069e50000 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: d8 37 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 86 11 0f 0f 82 74 02 00 00 8b 35 ea b7 11 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 b9 d7 37 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc9000344faf0 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e789060 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8de072fa RDI: ffffffff8c1578e0
RBP: 0000000000000000 R08: 7b9250ed234c1426 R09: 00000000000001d4
R10: ffffc9000344fa28 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 fs_reclaim_acquire mm/page_alloc.c:4062 [inline]
 fs_reclaim_acquire+0xca/0x150 mm/page_alloc.c:4053
 might_alloc include/linux/sched/mm.h:318 [inline]
 slab_pre_alloc_hook mm/slub.c:4099 [inline]
 slab_alloc_node mm/slub.c:4177 [inline]
 kmem_cache_alloc_noprof+0x53/0x3b0 mm/slub.c:4204
 skb_clone+0x190/0x3f0 net/core/skbuff.c:2050
 hci_send_cmd_sync net/bluetooth/hci_core.c:4103 [inline]
 hci_cmd_work+0x1c5/0x7a0 net/bluetooth/hci_core.c:4140
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	d8 37                	fdivs  (%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 22 86 11 0f       	add    $0xf118622,%eax
  16:	0f 82 74 02 00 00    	jb     0x290
  1c:	8b 35 ea b7 11 0f    	mov    0xf11b7ea(%rip),%esi        # 0xf11b80c
  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 b9 d7 37 	sub    %gs:0x1237d7b9(%rip),%rax        # 0x1237d7f0
  36:	12
  37:	0f 85 c7 02 00 00    	jne    0x304
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4