From 2c6dc9f15ff7e84fa924f73f3a7b3b81f4b17aca Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Mon, 15 Dec 2014 10:18:22 +0100
Subject: [PATCH] Make sure buffer is enough in clusterSendPing().

---
 src/cluster.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cluster.c b/src/cluster.c
index 80ac66e4..15483ff8 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -2071,7 +2071,7 @@ void clusterBuildMessageHdr(clusterMsg *hdr, int type) {
 /* Send a PING or PONG packet to the specified node, making sure to add enough
  * gossip informations. */
 void clusterSendPing(clusterLink *link, int type) {
-    unsigned char buf[sizeof(clusterMsg)];
+    unsigned char buf[sizeof(clusterMsg)+sizeof(clusterMsgDataGossip)*3];
     clusterMsg *hdr = (clusterMsg*) buf;
     int gossipcount = 0, totlen;
     /* freshnodes is the number of nodes we can still use to populate the