diff -rup a/resolv/res_send.c b/resolv/res_send.c
--- a/resolv/res_send.c	2010-05-04 05:27:23.000000000 -0600
+++ b/resolv/res_send.c	2012-03-01 12:11:13.065605342 -0700
@@ -441,7 +441,7 @@ __libc_res_nsend(res_state statp, const
 				    malloc(sizeof (struct sockaddr_in6));
 			if (EXT(statp).nsaddrs[n] != NULL) {
 				memset (mempcpy(EXT(statp).nsaddrs[n],
-						&statp->nsaddr_list[n],
+						&statp->nsaddr_list[ns],
 						sizeof (struct sockaddr_in)),
 					'\0',
 					sizeof (struct sockaddr_in6)