BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 24266 Comm: syz.4.12480 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 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+0x2f0/0x31c kernel/locking/lockdep.c:1332 __lock_acquire+0xc4/0x2ebc kernel/locking/lockdep.c:5112 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868 touch_wq_lockdep_map+0xb4/0x15c kernel/workqueue.c:4029 __flush_workqueue+0x114/0xd74 kernel/workqueue.c:4071 nci_close_device+0xf8/0x438 net/nfc/nci/core.c:567 nci_unregister_device+0x78/0x248 net/nfc/nci/core.c:1330 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:168 __fput+0x338/0x74c fs/file_table.c:510 ____fput+0x20/0x30 fs/file_table.c:538 task_work_run+0x1cc/0x25c 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+0x10c/0x17c 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] arm64_syscall_exit_to_user_mode arch/arm64/kernel/entry-common.c:88 [inline] el0_svc+0x18c/0x260 arch/arm64/kernel/entry-common.c:737 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594