From 5bd46d33db53186fddefbe2be8ab8a2805a66612 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 11 Jul 2017 12:44:56 +0200
Subject: [PATCH] Fix isHLLObjectOrReply() to handle integer encoded strings.
Close #3766.
---
src/hyperloglog.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/hyperloglog.c b/src/hyperloglog.c
index 49516f82..f4b5bd1c 100644
--- a/src/hyperloglog.c
+++ b/src/hyperloglog.c
@@ -1121,6 +1121,7 @@ int isHLLObjectOrReply(client *c, robj *o) {
if (checkType(c,o,OBJ_STRING))
return C_ERR; /* Error already sent. */
+ if (!sdsEncodedObject(o)) goto invalid;
if (stringObjectLen(o) < sizeof(*hdr)) goto invalid;
hdr = o->ptr;