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WARNING: CPU: 0 PID: 23926 at kernel/workqueue.c:4442 destroy_workqueue+0x100/0x240 kernel/workqueue.c:4442
Modules linked in:
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 23926 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<817513c4>] (dump_backtrace) from [<817514b8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cf8850 r6:822228ec r5:60000093 r4:81d06c38
[<817514a0>] (show_stack) from [<8176d168>] (__dump_stack lib/dump_stack.c:88 [inline])
[<817514a0>] (show_stack) from [<8176d168>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<8176d120>] (dump_stack_lvl) from [<8176d18c>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82445d14
[<8176d174>] (dump_stack) from [<81752060>] (panic+0x11c/0x360 kernel/panic.c:274)
[<81751f44>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:00000000 r0:81cf8850
 r7:80263588
[<8024156c>] (__warn) from [<8175230c>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:644)
 r8:00000009 r7:80263588 r6:0000115a r5:81cf9c68 r4:00000000
[<817522a8>] (warn_slowpath_fmt) from [<80263588>] (destroy_workqueue+0x100/0x240 kernel/workqueue.c:4442)
 r8:856b6cd0 r7:84de9410 r6:84de9400 r5:85e19800 r4:85e1981c
[<80263488>] (destroy_workqueue) from [<816df16c>] (nci_unregister_device+0x30/0x98 net/nfc/nci/core.c:1293)
 r7:860bf000 r6:860bf000 r5:000e001b r4:824fa0e4
[<816df13c>] (nci_unregister_device) from [<809f57c4>] (virtual_ncidev_close+0x64/0x7c drivers/nfc/virtual_ncidev.c:166)
 r9:7efffd08 r8:856b6cd0 r7:8389dc50 r6:82e20550 r5:000e001b r4:824fa0e4
[<809f5760>] (virtual_ncidev_close) from [<804a9b1c>] (__fput+0x84/0x264 fs/file_table.c:320)
 r5:000e001b r4:842003c0
[<804a9a98>] (__fput) from [<804a9d78>] (____fput+0x10/0x14 fs/file_table.c:348)
 r9:7efffd08 r8:83ce9f44 r7:824465dc r6:83ce9700 r5:83ce9f14 r4:00000000
[<804a9d68>] (____fput) from [<8026618c>] (task_work_run+0x8c/0xb4 kernel/task_work.c:179)
[<80266100>] (task_work_run) from [<8020c070>] (resume_user_mode_work include/linux/resume_user_mode.h:49 [inline])
[<80266100>] (task_work_run) from [<8020c070>] (do_work_pending+0x420/0x524 arch/arm/kernel/signal.c:630)
 r9:7efffd08 r8:80200288 r7:fffffe30 r6:80200288 r5:ec765fb0 r4:83ce9700
[<8020bc50>] (do_work_pending) from [<80200088>] (slow_work_pending+0xc/0x20)
Exception stack(0xec765fb0 to 0xec765ff8)
5fa0:                                     00000000 00000002 00000000 00000004
5fc0: 00000005 017584c0 00000000 00000006 00140000 000003e8 0014c438 0014c438
5fe0: 33360000 7e915408 0002993c 00029df8 80000010 00000004
 r10:00000006 r9:83ce9700 r8:80200288 r7:00000006 r6:00000000 r5:017584c0
 r4:00000005
Rebooting in 86400 seconds..