struct icmp *pkt;
int pingsock, c;
- char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
-+ char packet[datalen + MAXIPLEN + MAXICMPLEN];
++ char packet[datalen + ICMP_MINLEN + MAXIPLEN + MAXICMPLEN];
pingsock = create_icmp_socket();
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
if (c < 0) {
-@@ -257,8 +257,8 @@
-
- gettimeofday(&tv, NULL);
-
-- /* discard if too short */
-- if (sz < (datalen + ICMP_MINLEN))
-+ /* discard if too short / long */
-+ if (sz < (datalen + ICMP_MINLEN) || sz > (MAXICMPLEN))
- return;
-
- /* check IP header */
@@ -274,6 +274,10 @@
++nreceived;
tp = (struct timeval *) icmppkt->icmp_data;