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 syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: mld mld_ifc_work 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:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x50/0x6c kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:638 [inline] raw_spin_rq_lock kernel/sched/sched.h:1547 [inline] rq_lock kernel/sched/sched.h:1869 [inline] ttwu_queue kernel/sched/core.c:3967 [inline] try_to_wake_up+0x440/0xe24 kernel/sched/core.c:4293 default_wake_function+0x58/0x74 kernel/sched/core.c:7268 __pollwake fs/select.c:205 [inline] pollwake+0x158/0x204 fs/select.c:215 __wake_up_common kernel/sched/wait.c:108 [inline] __wake_up_common_lock kernel/sched/wait.c:125 [inline] __wake_up_sync_key+0xf0/0x18c kernel/sched/wait.c:192 sock_def_readable+0x200/0x5b4 net/core/sock.c:3551 __netlink_sendskb net/netlink/af_netlink.c:1265 [inline] netlink_broadcast_deliver net/netlink/af_netlink.c:1401 [inline] do_one_broadcast net/netlink/af_netlink.c:1490 [inline] netlink_broadcast_filtered+0x978/0xde8 net/netlink/af_netlink.c:1535 nlmsg_multicast_filtered include/net/netlink.h:1165 [inline] nlmsg_multicast include/net/netlink.h:1184 [inline] nlmsg_notify+0xfc/0x1e0 net/netlink/af_netlink.c:2595 rtnl_notify+0xa0/0xd8 net/core/rtnetlink.c:958 __neigh_notify+0x1a4/0x304 net/core/neighbour.c:3555 neigh_cleanup_and_release+0xe8/0x34c net/core/neighbour.c:120 neigh_remove_one+0x190/0x200 net/core/neighbour.c:250 neigh_forced_gc net/core/neighbour.c:281 [inline] neigh_alloc net/core/neighbour.c:513 [inline] ___neigh_create+0x45c/0x21e8 net/core/neighbour.c:656 __neigh_create+0x80/0xa0 net/core/neighbour.c:744 ip6_finish_output2+0x149c/0x1a78 net/ipv6/ip6_output.c:128 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline] ip6_finish_output+0x418/0x7b4 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x2c8/0x640 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:464 [inline] NF_HOOK+0x15c/0x430 include/linux/netfilter.h:318 mld_sendpack+0x7fc/0x100c net/ipv6/mcast.c:1855 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x770/0xc38 net/ipv6/mcast.c:2693 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844