From 9975fac7bb6d40ae2d995c5adb249b7def92c3cc Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 13 Mar 2013 17:31:19 +0100
Subject: [PATCH] Cluster: sanity check FAILOVER_AUTH_REQUEST messages for
 proper length.

---
 src/cluster.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cluster.c b/src/cluster.c
index f037e6dc4..8fd866220 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -793,6 +793,10 @@ int clusterProcessPacket(clusterLink *link) {
                 ntohl(hdr->data.publish.msg.channel_len) +
                 ntohl(hdr->data.publish.msg.message_len);
         if (totlen != explen) return 1;
+    } else if (type == CLUSTERMSG_TYPE_FAILOVER_AUTH_REQUEST) {
+        uint32_t explen = sizeof(clusterMsg)-sizeof(union clusterMsgData);
+
+        if (totlen != explen) return 1;
     }
 
     /* Ready to process the packet. Dispatch by type. */