From 00f80cce27e7c25d89b5ddd2e15d9a5b28f74d23 Mon Sep 17 00:00:00 2001
From: John Sully <john@csquare.ca>
Date: Sun, 16 Feb 2020 03:36:47 -0500
Subject: [PATCH] Fix leak when tombstone exists

Former-commit-id: 3d0ccdf6d2ddc523a3532c46cf905023d207b8cb
---
 src/db.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/db.cpp b/src/db.cpp
index 29067c975..c22ccaaf5 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -412,7 +412,9 @@ bool redisDbPersistentData::syncDelete(robj *key)
             auto itr = m_pdbSnapshot->find_cached_threadsafe(szFromObj(key));
             if (itr != nullptr)
             {
-                dictAdd(m_pdictTombstone, sdsdup(szFromObj(key)), nullptr);
+                sds keyTombstone = sdsdup(szFromObj(key));
+                if (dictAdd(m_pdictTombstone, keyTombstone, nullptr) != DICT_OK)
+                    sdsfree(keyTombstone);
             }
         }
         if (g_pserver->cluster_enabled) slotToKeyDel(key);