BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 612 Comm: kworker/u8:7 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: tipc_send tipc_conn_send_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+0x140/0x2e0 kernel/locking/lockdep.c:5868 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] tipc_skb_dequeue net/tipc/msg.h:1248 [inline] tipc_sk_enqueue net/tipc/socket.c:2437 [inline] tipc_sk_rcv+0x41c/0x238c net/tipc/socket.c:2495 tipc_topsrv_kern_evt net/tipc/topsrv.c:630 [inline] tipc_conn_send_to_sock net/tipc/topsrv.c:286 [inline] tipc_conn_send_work+0x54c/0x7c8 net/tipc/topsrv.c:306 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844