Index: lib/libc/rpc/clnt_bcast.c
===================================================================
--- lib/libc/rpc/clnt_bcast.c
+++ lib/libc/rpc/clnt_bcast.c
@@ -346,7 +346,9 @@
 #ifdef PORTMAP
 		if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) {
 			udpbufsz = fdlist[fdlistno].dsize;
-			if ((outbuf_pmap = malloc(udpbufsz)) == NULL) {
+			if ((outbuf_pmap = reallocf(outbuf_pmap, udpbufsz))
+			    == NULL) {
+				outbuf_pmap = NULL;
 				_close(fd);
 				stat = RPC_SYSTEMERROR;
 				goto done_broad;