static void cma_set_loopback(struct sockaddr *addr)
{
	switch (addr->sa_family) {
	case AF_INET:
		((struct sockaddr_in *) addr)->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
		break;
	case AF_INET6:
		ipv6_addr_set(&((struct sockaddr_in6 *) addr)->sin6_addr,
			      0, 0, 0, htonl(1));
		break;
	default:
		ib_addr_set(&((struct sockaddr_ib *) addr)->sib_addr,
			    0, 0, 0, htonl(1));
		break;
	}
}

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.