------------[ cut here ]------------
workqueue: cannot queue nci_cmd_work on wq nfc2_nci_cmd_wq
WARNING: kernel/workqueue.c:2352 at __queue_work+0xdb7/0x1370 kernel/workqueue.c:2351, CPU#3: kworker/u32:0/12
Modules linked in:
CPU: 3 UID: 0 PID: 12 Comm: kworker/u32:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: nfc2_nci_rx_wq nci_rx_work
RIP: 0010:__queue_work+0xdbb/0x1370 kernel/workqueue.c:2351
Code: 00 00 00 fc ff df 49 8d 94 24 70 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 84 05 00 00 48 8d 3d 29 43 78 0f 48 8b 75 18 <67> 48 0f b9 3a 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03
RSP: 0000:ffffc900001e7a40 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff888026cc1000 RCX: 1ffff1100f10e022
RDX: ffff8880298be170 RSI: ffffffff8ba2d9c0 RDI: ffffffff91486f90
RBP: ffff8880788700f8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000200000 R11: 000000000000761b R12: ffff8880298be000
R13: 1ffff9200003cf52 R14: 0000000000000020 R15: 0000000000000084
FS:  0000000000000000(0000) GS:ffff888096c55000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000c3aef55 CR3: 0000000078b7d000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 queue_work_on+0x180/0x1e0 kernel/workqueue.c:2501
 queue_work include/linux/workqueue.h:700 [inline]
 nci_rsp_packet+0x297/0x3420 net/nfc/nci/rsp.c:463
 nci_rx_work+0x29c/0x430 net/nfc/nci/core.c:1579
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 fc                	add    %bh,%ah
   4:	ff                   	lcall  (bad)
   5:	df 49 8d             	fisttps -0x73(%rcx)
   8:	94                   	xchg   %eax,%esp
   9:	24 70                	and    $0x70,%al
   b:	01 00                	add    %eax,(%rax)
   d:	00 48 89             	add    %cl,-0x77(%rax)
  10:	f9                   	stc
  11:	48 c1 e9 03          	shr    $0x3,%rcx
  15:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  19:	0f 85 84 05 00 00    	jne    0x5a3
  1f:	48 8d 3d 29 43 78 0f 	lea    0xf784329(%rip),%rdi        # 0xf78434f
  26:	48 8b 75 18          	mov    0x18(%rbp),%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  36:	fc ff df
  39:	48 89 ea             	mov    %rbp,%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx