BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 1418 Comm: kworker/u8:8 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: netns cleanup_net Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1348 __lock_acquire+0xaf/0x2e50 kernel/locking/lockdep.c:5128 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5908 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:182 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:205 spin_lock_bh include/linux/spinlock.h:353 [inline] dev_reset_queue+0x138/0x1b0 include/net/sch_generic.h:754 netdev_for_each_tx_queue include/linux/netdevice.h:2743 [inline] dev_deactivate_many+0x778/0xda0 net/sched/sch_generic.c:1394 __dev_close_many+0x180/0x6e0 net/core/dev.c:1786 netif_close_many+0x249/0x660 net/core/dev.c:1828 unregister_netdevice_many_notify+0xb76/0x2140 net/core/dev.c:12464 ops_exit_rtnl_list net/core/net_namespace.c:188 [inline] ops_undo_list+0x391/0x8d0 net/core/net_namespace.c:249 cleanup_net+0x572/0x810 net/core/net_namespace.c:706 process_one_work kernel/workqueue.c:3386 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3469 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3550 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245