BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 4126 Comm: kworker/1:5 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: wg-crypt-wg1 wg_packet_tx_worker Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline] validate_chain kernel/locking/lockdep.c:3756 [inline] __lock_acquire+0x1b64/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 seqcount_lockdep_reader_access+0x194/0x2cc include/linux/seqlock.h:103 ktime_get_with_offset+0xb0/0x2f8 kernel/time/timekeeping.c:872 ktime_get_real include/linux/timekeeping.h:79 [inline] __net_timestamp include/linux/skbuff.h:3941 [inline] netif_rx_internal+0x4a8/0x6d8 net/core/dev.c:4934 netif_rx+0xdc/0x550 net/core/dev.c:4986 loopback_xmit+0x400/0x690 drivers/net/loopback.c:88 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3617 [inline] dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3633 __dev_queue_xmit+0x1378/0x2ac8 net/core/dev.c:4256 dev_queue_xmit+0x24/0x34 net/core/dev.c:4289 neigh_hh_output include/net/neighbour.h:493 [inline] neigh_output include/net/neighbour.h:507 [inline] ip6_finish_output2+0x132c/0x1cec net/ipv6/ip6_output.c:130 __ip6_finish_output+0x580/0x6ec net/ipv6/ip6_output.c:201 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:211 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip6_output+0x274/0x594 net/ipv6/ip6_output.c:234 dst_output include/net/dst.h:443 [inline] ip6_local_out+0x120/0x160 net/ipv6/output_core.c:161 ip6tunnel_xmit include/net/ip6_tunnel.h:160 [inline] udp_tunnel6_xmit_skb+0x43c/0x938 net/ipv6/ip6_udp_tunnel.c:109 send6+0x560/0x930 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+0x1a8/0x714 drivers/net/wireguard/send.c:276 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Bluetooth: hci21: command 0x0406 tx timeout Bluetooth: hci22: command 0x0406 tx timeout Bluetooth: hci23: command 0x0406 tx timeout Bluetooth: hci24: command 0x0406 tx timeout