BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 10303 Comm: syz.2.8825 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 register_lock_class+0x310/0x348 kernel/locking/lockdep.c:1332 __lock_acquire+0xbc/0x30a4 kernel/locking/lockdep.c:5112 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 touch_wq_lockdep_map+0xa8/0x164 kernel/workqueue.c:3907 __flush_workqueue+0xfc/0x109c kernel/workqueue.c:3949 drain_workqueue+0xa4/0x310 kernel/workqueue.c:4113 destroy_workqueue+0xb4/0xd94 kernel/workqueue.c:5869 nci_unregister_device+0xac/0x21c net/nfc/nci/core.c:1316 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:172 __fput+0x340/0x75c fs/file_table.c:468 ____fput+0x20/0x58 fs/file_table.c:496 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xfc/0x168 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline] el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596