SCTP_STATIC int sctp_setsockopt_connectx_old(struct sock* sk,
				      struct sockaddr __user *addrs,
				      int addrs_size)
{
	return __sctp_setsockopt_connectx(sk, addrs, addrs_size, NULL);
}

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.