BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 25778 Comm: syz-executor399 Not tainted 6.14.0-syzkaller-03576-g1e1ba8d23dae #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 register_lock_class+0x2fd/0x330 kernel/locking/lockdep.c:1333 __lock_acquire+0x80/0xd80 kernel/locking/lockdep.c:5110 lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 touch_wq_lockdep_map+0xc7/0x170 kernel/workqueue.c:3907 __flush_workqueue+0x14c/0x1280 kernel/workqueue.c:3949 drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4113 destroy_workqueue+0xba/0xc40 kernel/workqueue.c:5858 nci_unregister_device+0xb2/0x240 net/nfc/nci/core.c:1316 virtual_ncidev_close+0x56/0x90 drivers/nfc/virtual_ncidev.c:172 __fput+0x3eb/0x9f0 fs/file_table.c:465 task_work_run+0x253/0x310 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2a/0x2940 kernel/exit.c:954 do_group_exit+0x207/0x2c0 kernel/exit.c:1103 __do_sys_exit_group kernel/exit.c:1114 [inline] __se_sys_exit_group kernel/exit.c:1112 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1112 x64_sys_call+0x26c3/0x26d0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f87c0270c39 Code: Unable to access opcode bytes at 0x7f87c0270c0f. RSP: 002b:00007ffc83c504e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87c0270c39 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f87c02eb290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87c02eb290 R13: 0000000000000000 R14: 00007f87c02ebd00 R15: 00007f87c0241dd0 </TASK>