BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 15815 Comm: kworker/u8:2 Tainted: G        W    L      syzkaller #0 PREEMPT 
Tainted: [W]=WARN, [L]=SOFTLOCKUP
Hardware name: linux,dummy-virt (DT)
Workqueue: netns cleanup_net
Call trace:
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x7c/0xb0 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:3789 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3871 [inline]
 validate_chain kernel/locking/lockdep.c:3892 [inline]
 __lock_acquire+0x15e0/0x1a5c kernel/locking/lockdep.c:5253
 lock_acquire kernel/locking/lockdep.c:5886 [inline]
 lock_acquire+0x3d0/0x44c kernel/locking/lockdep.c:5843
 __raw_spin_lock_irq_disable include/linux/spinlock_api_smp.h:174 [inline]
 _raw_spin_lock_irq_disable+0xf4/0x184 kernel/locking/spinlock.c:197
 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:594 [inline]
 try_to_wake_up+0xcc/0x11fc kernel/sched/core.c:4302
 swake_up_locked kernel/sched/swait.c:30 [inline]
 swake_up_locked kernel/sched/swait.c:22 [inline]
 swake_up_one+0x7c/0x1a0 kernel/sched/swait.c:53
 rcu_gp_kthread_wake kernel/rcu/tree.c:1124 [inline]
 rcu_gp_kthread_wake+0x80/0x120 kernel/rcu/tree.c:1115
 rcu_report_qs_rsp+0xa8/0x300 kernel/rcu/tree.c:2355
 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:2459 [inline]
 rcu_preempt_deferred_qs_irqrestore+0xc2c/0xf00 kernel/rcu/tree_plugin.h:571
 rcu_read_unlock_special kernel/rcu/tree_plugin.h:798 [inline]
 __rcu_read_unlock+0x2e0/0x610 kernel/rcu/tree_plugin.h:438
 rcu_read_unlock include/linux/rcupdate.h:882 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
 kernfs_root+0xac/0x19c fs/kernfs/kernfs-internal.h:76
 kernfs_find_ns+0xb8/0x3b0 fs/kernfs/dir.c:894
 kernfs_find_and_get_ns+0x40/0x6c fs/kernfs/dir.c:969
 kernfs_find_and_get include/linux/kernfs.h:623 [inline]
 sysfs_unmerge_group+0x5c/0x134 fs/sysfs/group.c:405
 pm_qos_sysfs_remove_flags+0x1c/0x28 drivers/base/power/sysfs.c:807
 dev_pm_qos_constraints_destroy+0x44/0x5dc drivers/base/power/qos.c:261
 dpm_sysfs_remove+0x60/0xb8 drivers/base/power/sysfs.c:831
 device_del+0x174/0x7b8 drivers/base/core.c:3940
 netdev_unregister_kobject+0x230/0x420 net/core/net-sysfs.c:2308
 unregister_netdevice_many_notify+0xe18/0x19a8 net/core/dev.c:12551
 unregister_netdevice_many+0x18/0x24 net/core/dev.c:12589
 ops_exit_rtnl_list net/core/net_namespace.c:188 [inline]
 ops_undo_list+0x2fc/0x710 net/core/net_namespace.c:249
 cleanup_net+0x38c/0x77c net/core/net_namespace.c:706
 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387
 process_scheduled_works kernel/workqueue.c:3470 [inline]
 worker_thread+0x42c/0xc90 kernel/workqueue.c:3551
 kthread+0x2ec/0x384 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854