diff -U 4 -r libpcap-2004.02.22/fad-gifc.c libpcap/fad-gifc.c
--- libpcap-2004.02.22/fad-gifc.c	Sun Nov 16 10:23:58 2003
+++ libpcap/fad-gifc.c	Mon Feb 23 11:07:34 2004
@@ -323,8 +323,22 @@
 		else
 			ifnext = (struct ifreq *)((char *)ifrp + n);
 
 		/*
+		 * XXX - The 32 bit compatibility layer for Linux on IA64 
+		 * is slightly broken. It correctly converts the structures
+		 * to and from kernel land from 64 bit to 32 bit but 
+		 * doesn't update ifc.ifc_len, leaving it larger than the 
+		 * amount really used. This means we read off the end 
+		 * of the buffer and encounter an interface with an 
+		 * "empty" name. Since this is highly unlikely to ever 
+		 * occur in a valid case we can just finish looing for 
+		 * interfaces then 
+		 */
+		if (!(*ifrp->ifr_name))
+			break;
+
+		/*
 		 * Get the flags for this interface, and skip it if it's
 		 * not up.
 		 */
 		strncpy(ifrflags.ifr_name, ifrp->ifr_name,