static int dccp_nlattr_size(void)
{
	return nla_total_size(0)	/* CTA_PROTOINFO_DCCP */
		+ nla_policy_len(dccp_nla_policy, CTA_PROTOINFO_DCCP_MAX + 1);
}

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.