BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4195 Comm: kworker/u4:10 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 ___slab_alloc+0x214/0xda8 mm/slub.c:2930
 __slab_alloc+0x68/0xc0 mm/slub.c:3095
 slab_alloc_node mm/slub.c:3186 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 __kmalloc_track_caller+0x26c/0x370 mm/slub.c:4925
 __do_krealloc mm/slab_common.c:1244 [inline]
 krealloc+0xf0/0x220 mm/slab_common.c:1277
 nf_ct_ext_add+0x3c4/0x5ac net/netfilter/nf_conntrack_extend.c:73
 nf_ct_labels_ext_add include/net/netfilter/nf_conntrack_labels.h:37 [inline]
 init_conntrack+0x5dc/0x1188 net/netfilter/nf_conntrack_core.c:1712
 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1805 [inline]
 nf_conntrack_in+0xa00/0x1778 net/netfilter/nf_conntrack_core.c:1960
 ipv4_conntrack_local+0x108/0x214 net/netfilter/nf_conntrack_proto.c:200
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xb4/0x1f4 net/netfilter/core.c:584
 nf_hook+0x1cc/0x330 include/linux/netfilter.h:257
 __ip_local_out+0x4c0/0x62c net/ipv4/ip_output.c:115
 ip_local_out+0x3c/0x15c net/ipv4/ip_output.c:124
 iptunnel_xmit+0x3f8/0x8dc net/ipv4/ip_tunnel_core.c:82
 udp_tunnel_xmit_skb+0x168/0x250 net/ipv4/udp_tunnel_core.c:175
 send4+0x7f4/0xbc4 drivers/net/wireguard/socket.c:85
 wg_socket_send_skb_to_peer+0xc4/0x1a4 drivers/net/wireguard/socket.c:175
 wg_socket_send_buffer_to_peer+0xec/0x144 drivers/net/wireguard/socket.c:200
 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline]
 wg_packet_handshake_send_worker+0x1a4/0x2a0 drivers/net/wireguard/send.c:51
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready