--- iputils-s20071127/traceroute6.c.orig	2007-11-27 03:57:27 +0300
+++ iputils-s20071127/traceroute6.c	2008-09-15 12:40:05 +0400
@@ -446,9 +446,11 @@
 		/* Message for rpm maintainers: have _shame_. If you want
 		 * to fix something send the patch to me for sanity checking.
 		 * "datalen" patch is a shit. */
+        /*
 		if (datalen == 0)
 			datalen = sizeof(struct pkt_format);
-		else if (datalen < (int)sizeof(struct pkt_format) ||
+		else */
+        if (datalen < (int)sizeof(struct pkt_format) ||
 			 datalen >= MAXPACKET) {
 			Fprintf(stderr,
 			    "traceroute: packet size must be %d <= s < %d.\n",