BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 PID: 24662 Comm: syz-executor361 Not tainted 6.9.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 register_lock_class+0x822/0x980 kernel/locking/lockdep.c:1321 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 touch_wq_lockdep_map kernel/workqueue.c:3901 [inline] __flush_workqueue+0x1c9/0x1710 kernel/workqueue.c:3943 drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4107 destroy_workqueue+0xba/0xc40 kernel/workqueue.c:5673 nci_unregister_device+0xb2/0x240 net/nfc/nci/core.c:1305 virtual_ncidev_close+0x59/0x90 drivers/nfc/virtual_ncidev.c:168 __fput+0x42b/0x8a0 fs/file_table.c:422 __do_sys_close fs/open.c:1556 [inline] __se_sys_close fs/open.c:1541 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1541 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb76c8e1bd0 Code: 00 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d4 e8 f0 2f 00 00 80 3d 71 e2 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c RSP: 002b:00007ffd107c4f28 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb76c8e1bd0 RDX: 0000000000000002 RSI: 0000000020000600 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd107c4f48 R13: 00007ffd107c4f60 R14: 00007ffd107c4fa0 R15: 0000000000000877