BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: wg-crypt-wg0 wg_packet_tx_worker 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:3899 [inline] validate_chain kernel/locking/lockdep.c:3920 [inline] __lock_acquire+0xed4/0x2b08 kernel/locking/lockdep.c:5288 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:182 [inline] _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:205 spin_lock_bh include/linux/spinlock.h:353 [inline] ___neigh_create+0xd24/0x20a0 net/core/neighbour.c:686 __neigh_create+0x80/0xa4 net/core/neighbour.c:740 ip6_finish_output2+0xc50/0x1338 net/ipv6/ip6_output.c:130 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline] ip6_finish_output+0x230/0x618 net/ipv6/ip6_output.c:221 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip6_output+0x2d0/0x528 net/ipv6/ip6_output.c:248 dst_output include/net/dst.h:470 [inline] ip6_local_out+0x110/0x148 net/ipv6/output_core.c:128 ip6tunnel_xmit include/net/ip6_tunnel.h:174 [inline] udp_tunnel6_xmit_skb+0x5ac/0xd98 net/ipv6/ip6_udp_tunnel.c:112 send6+0x4a8/0x780 drivers/net/wireguard/socket.c:151 wg_socket_send_skb_to_peer+0xf4/0x19c drivers/net/wireguard/socket.c:177 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x188/0x75c drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854