BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 9160 Comm: kworker/u8:27 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: ipv6_addrconf addrconf_dad_work
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+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 class_raw_spinlock_constructor include/linux/spinlock.h:535 [inline]
 pcpu_alloc+0x350/0x4bc lib/debugobjects.c:273
 alloc_object+0xd0/0x2f4 lib/debugobjects.c:458
 lookup_object_or_alloc lib/debugobjects.c:685 [inline]
 debug_object_activate+0x140/0x460 lib/debugobjects.c:820
 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline]
 __call_rcu_common kernel/rcu/tree.c:3104 [inline]
 call_rcu+0x54/0x978 kernel/rcu/tree.c:3239
 call_rcu_hurry include/linux/rcupdate.h:115 [inline]
 dst_release+0x120/0x194 net/core/dst.c:177
 refdst_drop include/net/dst.h:266 [inline]
 skb_dst_drop include/net/dst.h:278 [inline]
 skb_release_head_state+0x70/0x30c net/core/skbuff.c:1156
 skb_release_all net/core/skbuff.c:1180 [inline]
 __kfree_skb net/core/skbuff.c:1196 [inline]
 sk_skb_reason_drop+0x110/0x1b0 net/core/skbuff.c:1234
 kfree_skb_reason include/linux/skbuff.h:1322 [inline]
 kfree_skb include/linux/skbuff.h:1331 [inline]
 ip_tunnel_xmit+0x18bc/0x20ec net/ipv4/ip_tunnel.c:-1
 __gre_xmit+0x10c/0x1b0 net/ipv4/ip_gre.c:490
 erspan_xmit+0x820/0x11bc net/ipv4/ip_gre.c:749
 __netdev_start_xmit include/linux/netdevice.h:5273 [inline]
 netdev_start_xmit include/linux/netdevice.h:5282 [inline]
 xmit_one net/core/dev.c:3853 [inline]
 dev_hard_start_xmit+0x298/0x890 net/core/dev.c:3869
 sch_direct_xmit+0x1fc/0x468 net/sched/sch_generic.c:347
 __dev_xmit_skb net/core/dev.c:4169 [inline]
 __dev_queue_xmit+0xf94/0x2a78 net/core/dev.c:4785
 dev_queue_xmit include/linux/netdevice.h:3381 [inline]
 neigh_hh_output include/net/neighbour.h:540 [inline]
 neigh_output include/net/neighbour.h:554 [inline]
 ip6_finish_output2+0x1150/0x1a78 net/ipv6/ip6_output.c:136
 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
 ip6_finish_output+0x418/0x7b4 net/ipv6/ip6_output.c:220
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x2c8/0x640 net/ipv6/ip6_output.c:247
 dst_output include/net/dst.h:464 [inline]
 NF_HOOK+0x15c/0x430 include/linux/netfilter.h:318
 mld_sendpack+0x7fc/0x100c net/ipv6/mcast.c:1855
 mld_send_initial_cr+0x34c/0x534 net/ipv6/mcast.c:2271
 ipv6_mc_dad_complete+0x74/0x3a8 net/ipv6/mcast.c:2279
 addrconf_dad_completed+0x604/0xb74 net/ipv6/addrconf.c:4340
 addrconf_dad_work+0x928/0x10cc net/ipv6/addrconf.c:-1
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844