BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 PID: 30304 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-12893-ge392ea4d4d00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 register_lock_class+0x841/0x990 kernel/locking/lockdep.c:1321 __lock_acquire+0x190/0x7f70 kernel/locking/lockdep.c:5013 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753 __flush_workqueue+0x174/0x1610 kernel/workqueue.c:3143 drain_workqueue+0xc9/0x390 kernel/workqueue.c:3308 destroy_workqueue+0xc6/0xf20 kernel/workqueue.c:4803 nci_unregister_device+0x8c/0x240 net/nfc/nci/core.c:1300 virtual_ncidev_close+0x59/0x90 drivers/nfc/virtual_ncidev.c:163 __fput+0x3cc/0xa10 fs/file_table.c:394 __do_sys_close fs/open.c:1590 [inline] __se_sys_close+0x15f/0x220 fs/open.c:1575 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fbc7207b95a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 f3 7d 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 53 7e 02 00 8b 44 24 RSP: 002b:00007fffe38ddb80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbc7207b95a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fbc7219d980 R08: 0000001b2e360000 R09: 00007fffe39f00b0 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000430a2 R13: ffffffffffffffff R14: 00007fbc71c00000 R15: 0000000000042d61