[PATCH]: runp->ifa_addr can be NULL. Backport of r24336.
diff -Narup uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c uClibc-0.9.30.1/libc/inet/getaddrinfo.c
--- uClibc-0.9.30.1.orig/libc/inet/getaddrinfo.c	2009-02-26 21:49:14.000000000 +0900
+++ uClibc-0.9.30.1/libc/inet/getaddrinfo.c	2009-03-06 00:59:23.000000000 +0900
@@ -187,6 +187,8 @@ static unsigned __check_pf(void)
 		}
 
 		for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
+			if (runp->ifa_addr == NULL)
+				continue;
 #if defined __UCLIBC_HAS_IPV4__
 			if (runp->ifa_addr->sa_family == PF_INET)
 				seen |= SEEN_IPV4;