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WARNING: CPU: 1 PID: 28825 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: 1 PID: 28825 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<817514a4>] (dump_backtrace) from [<81751598>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cf8928 r6:822228ec r5:60000093 r4:81d06d10
[<81751580>] (show_stack) from [<8176d260>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81751580>] (show_stack) from [<8176d260>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<8176d218>] (dump_stack_lvl) from [<8176d284>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82445d14
[<8176d26c>] (dump_stack) from [<81752140>] (panic+0x11c/0x360 kernel/panic.c:274)
[<81752024>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:00000000 r0:81cf8928
 r7:80263588
[<8024156c>] (__warn) from [<817523ec>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:644)
 r8:00000009 r7:80263588 r6:0000115a r5:81cf9d40 r4:00000000
[<81752388>] (warn_slowpath_fmt) from [<80263588>] (destroy_workqueue+0x100/0x240 kernel/workqueue.c:4442)
 r8:83302910 r7:8295c010 r6:8295c000 r5:8514f000 r4:8514f01c
[<80263488>] (destroy_workqueue) from [<816df24c>] (nci_unregister_device+0x30/0x98 net/nfc/nci/core.c:1293)
 r7:85522800 r6:85522800 r5:000e001b r4:824fa0e4
[<816df21c>] (nci_unregister_device) from [<809f587c>] (virtual_ncidev_close+0x64/0x7c drivers/nfc/virtual_ncidev.c:166)
 r9:7efffd08 r8:83302910 r7:83b3e650 r6:834e5ee0 r5:000e001b r4:824fa0e4
[<809f5818>] (virtual_ncidev_close) from [<804a9b3c>] (__fput+0x84/0x264 fs/file_table.c:320)
 r5:000e001b r4:857693c0
[<804a9ab8>] (__fput) from [<804a9d98>] (____fput+0x10/0x14 fs/file_table.c:348)
 r9:7efffd08 r8:832d6fc4 r7:824465dc r6:832d6780 r5:832d6f94 r4:00000000
[<804a9d88>] (____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:edcf1fb0 r4:832d6780
[<8020bc50>] (do_work_pending) from [<80200088>] (slow_work_pending+0xc/0x20)
Exception stack(0xedcf1fb0 to 0xedcf1ff8)
1fa0:                                     00000000 00000002 00000000 00000003
1fc0: 00000004 0295d4c0 00000000 00000006 00140000 000003e8 0014c1f8 0014c1f8
1fe0: 2f860000 7ec75408 0002993c 00029df8 80000010 00000003
 r10:00000006 r9:832d6780 r8:80200288 r7:00000006 r6:00000000 r5:0295d4c0
 r4:00000004
SMP: failed to stop secondary CPUs
Rebooting in 86400 seconds..