hopefully fix ping bugs introduced in [6443]

[openwrt.git] / package / busybox / patches / 450-truncated_ping_results.patch

diff --git a/package/busybox/patches/450-truncated_ping_results.patch b/package/busybox/patches/450-truncated_ping_results.patch
index 30e8670..f60a1a9 100644 (file)
--- a/package/busybox/patches/450-truncated_ping_results.patch
+++ b/package/busybox/patches/450-truncated_ping_results.patch
@@ -5,7 +5,7 @@
        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();
  
@@ -18,17 +18,6 @@
                           (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;