BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: wg-crypt-wg0 wg_packet_tx_worker Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 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:3856 [inline] validate_chain kernel/locking/lockdep.c:3877 [inline] __lock_acquire+0xe50/0x32c4 kernel/locking/lockdep.c:5235 lock_acquire+0x150/0x2e8 kernel/locking/lockdep.c:5866 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 ref_tracker_alloc+0x1a0/0x3ec lib/ref_tracker.c:212 __netdev_tracker_alloc include/linux/netdevice.h:4331 [inline] netdev_hold include/linux/netdevice.h:4360 [inline] ___neigh_create+0xce8/0x243c net/core/neighbour.c:616 __neigh_create+0x80/0xa0 net/core/neighbour.c:695 ip6_finish_output2+0x16f4/0x20ac net/ipv6/ip6_output.c:132 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline] ip6_finish_output+0x428/0x7c4 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x274/0x598 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:459 [inline] ip6_local_out+0x120/0x160 net/ipv6/output_core.c:155 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline] udp_tunnel6_xmit_skb+0x4e8/0xa04 net/ipv6/ip6_udp_tunnel.c:111 send6+0x578/0x940 drivers/net/wireguard/socket.c:152 wg_socket_send_skb_to_peer+0xfc/0x1a8 drivers/net/wireguard/socket.c:178 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1a8/0x718 drivers/net/wireguard/send.c:276 process_one_work+0x810/0x1638 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x97c/0xf08 kernel/workqueue.c:3400 kthread+0x674/0x7dc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862