BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 15 Comm: kworker/u8:1 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: netns cleanup_net
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xfdc/0x2ebc kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:166
 get_partial_node_bulk mm/slub.c:3744 [inline]
 __refill_objects_node+0x78/0x574 mm/slub.c:7169
 refill_objects+0x78/0x320 mm/slub.c:7297
 refill_sheaf+0x44/0x6c mm/slub.c:2804
 __pcs_replace_empty_main+0x228/0x4f0 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_flags_noprof+0x528/0x724 mm/slub.c:5528
 _kmalloc_flags_noprof mm/slab.h:39 [inline]
 __alloc_empty_sheaf mm/slub.c:2751 [inline]
 alloc_empty_sheaf mm/slub.c:2771 [inline]
 __kfree_rcu_sheaf+0x380/0x540 mm/slub.c:6074
 kfree_rcu_sheaf mm/slab_common.c:1625 [inline]
 kvfree_call_rcu+0xbc/0x404 mm/slab_common.c:1974
 ma_put+0x10c/0x190 net/ipv6/mcast.c:859
 ipv6_mc_destroy_dev+0x40c/0x500 net/ipv6/mcast.c:2871
 addrconf_ifdown+0xd94/0x11bc net/ipv6/addrconf.c:4031
 addrconf_notify+0x2c0/0xbe8 net/ipv6/addrconf.c:-1
 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453
 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2250
 call_netdevice_notifiers_extack net/core/dev.c:2288 [inline]
 call_netdevice_notifiers net/core/dev.c:2302 [inline]
 unregister_netdevice_many_notify+0xf1c/0x1758 net/core/dev.c:12446
 unregister_netdevice_many net/core/dev.c:12507 [inline]
 default_device_exit_batch+0x584/0x604 net/core/dev.c:13099
 ops_exit_list net/core/net_namespace.c:205 [inline]
 ops_undo_list+0x434/0x81c net/core/net_namespace.c:252
 cleanup_net+0x474/0x6c4 net/core/net_namespace.c:702
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed