void sk_release_kernel(struct sock *sk)
{
	if (sk == NULL || sk->sk_socket == NULL)
		return;

	sock_hold(sk);
	sock_release(sk->sk_socket);
	release_net(sock_net(sk));
	sock_net_set(sk, get_net(&init_net));
	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.