static __be16 cma_port(struct sockaddr *addr)
{
	struct sockaddr_ib *sib;

	switch (addr->sa_family) {
	case AF_INET:
		return ((struct sockaddr_in *) addr)->sin_port;
	case AF_INET6:
		return ((struct sockaddr_in6 *) addr)->sin6_port;
	case AF_IB:
		sib = (struct sockaddr_ib *) addr;
		return htons((u16) (be64_to_cpu(sib->sib_sid) &
				    be64_to_cpu(sib->sib_sid_mask)));
	default:
		return 0;
	}
}

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.