syzbot

BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 22340 Comm: syz.2.3945 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 register_lock_class+0x4a4/0x560 kernel/locking/lockdep.c:1332
 __lock_acquire+0x3cb/0x2630 kernel/locking/lockdep.c:5112
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x1b1/0x370 kernel/locking/lockdep.c:5825
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:4029
 __flush_workqueue+0x131/0x1200 kernel/workqueue.c:4071
 drain_workqueue+0x175/0x3b0 kernel/workqueue.c:4235
 destroy_workqueue+0xc3/0xa30 kernel/workqueue.c:6053
 nci_unregister_device+0xe3/0x330 net/nfc/nci/core.c:1334
 virtual_ncidev_close+0x4b/0xa0 drivers/nfc/virtual_ncidev.c:168
 __fput+0x3ff/0xb50 fs/file_table.c:510
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x157/0x670 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0dc879ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd9c57f128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffd9c57f210 RCX: 00007f0dc879ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000049465 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32620000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0dc8a15fac R14: 00007f0dc8a15fa8 R15: 00007f0dc8a15fa0
 </TASK>