static inline void atalk_destroy_socket(struct sock *sk)
{
	atalk_remove_socket(sk);
	skb_queue_purge(&sk->sk_receive_queue);

	if (sk_has_allocations(sk)) {
		setup_timer(&sk->sk_timer, atalk_destroy_timer,
				(unsigned long)sk);
		sk->sk_timer.expires	= jiffies + SOCK_DESTROY_TIME;
		add_timer(&sk->sk_timer);
	} else
		sock_put(sk);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.