BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted 6.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net Call Trace: dump_stack_lvl+0xa4/0xf0 lib/dump_stack.c:120 register_lock_class+0x268/0x280 kernel/locking/lockdep.c:1328 __lock_acquire+0x5b/0x490 kernel/locking/lockdep.c:5101 lock_acquire+0xd7/0x200 kernel/locking/lockdep.c:5849 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] dev_reset_queue+0x23/0x90 net/sched/sch_generic.c:1312 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline] dev_deactivate_many+0x22a/0x320 net/sched/sch_generic.c:1380 __dev_close_many+0xab/0x120 net/core/dev.c:1547 dev_close_many+0x35/0x150 net/core/dev.c:1585 unregister_netdevice_many_notify+0x128/0x8f0 net/core/dev.c:11381 unregister_netdevice_many net/core/dev.c:11469 [inline] default_device_exit_batch+0x212/0x310 net/core/dev.c:11952 ops_exit_list net/core/net_namespace.c:178 [inline] cleanup_net+0x324/0x470 net/core/net_namespace.c:626 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x2e9/0x5e0 kernel/workqueue.c:3310 worker_thread+0x244/0x2f0 kernel/workqueue.c:3391 kthread+0xec/0x100 kernel/kthread.c:389 ret_from_fork+0x35/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 veth0_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth0_vlan: left promiscuous mode veth0_vlan: left promiscuous mode