From b12ccc840e6959027715d8bbc6f6d372ea2fd18f Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Mon, 2 Sep 2019 11:41:16 +0200
Subject: [PATCH] Cluster: abort loading nodes data if vars arguments are
 unbalanced.

See for reference PR #6337. Thanks to @git-hulk for spotting this.
---
 src/cluster.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cluster.c b/src/cluster.c
index e22222700..a2615fdc0 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -138,6 +138,7 @@ int clusterLoadConfig(char *filename) {
         /* Handle the special "vars" line. Don't pretend it is the last
          * line even if it actually is when generated by Redis. */
         if (strcasecmp(argv[0],"vars") == 0) {
+            if (!(argc % 2)) goto fmterr;
             for (j = 1; j < argc; j += 2) {
                 if (strcasecmp(argv[j],"currentEpoch") == 0) {
                     server.cluster->currentEpoch =