From de00a5a0929da097ecd46612e83b482698419f08 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 22 Nov 2012 15:28:28 +0100
Subject: [PATCH] Fix integer overflow in zunionInterGenericCommand().

This fixes issue #761.
---
 src/t_zset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/t_zset.c b/src/t_zset.c
index f641d887..f5cdec3e 100644
--- a/src/t_zset.c
+++ b/src/t_zset.c
@@ -1497,7 +1497,7 @@ void zunionInterGenericCommand(redisClient *c, robj *dstkey, int op) {
     }
 
     /* test if the expected number of keys would overflow */
-    if (3+setnum > c->argc) {
+    if (setnum > c->argc-3) {
         addReply(c,shared.syntaxerr);
         return;
     }
-- 
2.47.2