From e7ccdeebc9b3e3b663ac39a54d05483a7fdc7eb6 Mon Sep 17 00:00:00 2001
From: Binbin <binloveplay1314@qq.com>
Date: Sun, 18 Jul 2021 21:47:33 +0800
Subject: [PATCH] Fix rank overflow in zslInsert with more than 2B entries.
 (#9249)

If there are more than 2B entries in a zset.
The calculated span will overflow.
---
 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 28f1df05e..ce3b85f36 100644
--- a/src/t_zset.c
+++ b/src/t_zset.c
@@ -131,7 +131,7 @@ int zslRandomLevel(void) {
  * of the passed SDS string 'ele'. */
 zskiplistNode *zslInsert(zskiplist *zsl, double score, sds ele) {
     zskiplistNode *update[ZSKIPLIST_MAXLEVEL], *x;
-    unsigned int rank[ZSKIPLIST_MAXLEVEL];
+    unsigned long rank[ZSKIPLIST_MAXLEVEL];
     int i, level;
 
     serverAssert(!isnan(score));