BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 2570 Comm: kworker/u8:8 Not tainted 6.15.0-rc6-syzkaller-gc919f08732cc #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: ipv6_addrconf addrconf_dad_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (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:3856 [inline] validate_chain kernel/locking/lockdep.c:3877 [inline] __lock_acquire+0xf50/0x3058 kernel/locking/lockdep.c:5235 lock_acquire+0x14c/0x2e0 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 debug_object_deactivate+0x70/0x330 lib/debugobjects.c:873 debug_hrtimer_deactivate kernel/time/hrtimer.c:450 [inline] debug_deactivate+0x34/0x2c0 kernel/time/hrtimer.c:490 remove_hrtimer kernel/time/hrtimer.c:1156 [inline] hrtimer_try_to_cancel+0x2e4/0x3a4 kernel/time/hrtimer.c:1365 update_curr_dl_se+0xf0/0x598 kernel/sched/deadline.c:1528 dl_server_update+0x68/0x7c kernel/sched/deadline.c:1643 update_curr+0x400/0x8a0 kernel/sched/fair.c:1260 enqueue_entity+0x70/0x9ec kernel/sched/fair.c:5326 enqueue_task_fair+0x7a8/0x10a8 kernel/sched/fair.c:6980 enqueue_task+0x7c/0x2f4 kernel/sched/core.c:2075 activate_task kernel/sched/core.c:2122 [inline] ttwu_do_activate+0x19c/0x778 kernel/sched/core.c:3732 ttwu_queue kernel/sched/core.c:4000 [inline] try_to_wake_up+0x4b8/0xdf0 kernel/sched/core.c:4328 wake_up_process+0x18/0x24 kernel/sched/core.c:4461 kick_pool+0x3e0/0x58c kernel/workqueue.c:1279 __queue_work+0xde4/0x1230 kernel/workqueue.c:2342 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:176 [inline] wg_packet_create_data drivers/net/wireguard/send.c:320 [inline] wg_packet_send_staged_packets+0xd10/0x1288 drivers/net/wireguard/send.c:388 wg_xmit+0x844/0xcc4 drivers/net/wireguard/device.c:218 __netdev_start_xmit include/linux/netdevice.h:5204 [inline] netdev_start_xmit include/linux/netdevice.h:5213 [inline] xmit_one net/core/dev.c:3776 [inline] dev_hard_start_xmit+0x2b0/0x8ac net/core/dev.c:3792 __dev_queue_xmit+0x15a4/0x31f0 net/core/dev.c:4629 dev_queue_xmit include/linux/netdevice.h:3350 [inline] neigh_connected_output+0x358/0x3ec net/core/neighbour.c:1541 neigh_output include/net/neighbour.h:539 [inline] ip6_finish_output2+0x1544/0x1c7c net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline] ip6_finish_output+0x418/0x7b4 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x274/0x504 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:459 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ndisc_send_skb+0xb48/0x1524 net/ipv6/ndisc.c:513 ndisc_send_rs+0x378/0x514 net/ipv6/ndisc.c:723 addrconf_dad_completed+0x654/0xb74 net/ipv6/addrconf.c:4364 addrconf_dad_work+0x928/0x10cc net/ipv6/addrconf.c:-1 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50