From 14e5d779396d82d23284b698dc36402a958cc63b Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 19 Sep 2017 14:11:24 +0100
Subject: [PATCH] db_lmdb: fix use of uninitialized key in for_blocks_range

---
 src/blockchain_db/lmdb/db_lmdb.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index b6978bdc..c6e24ef9 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -2420,8 +2420,8 @@ bool BlockchainLMDB::for_blocks_range(const uint64_t& h1, const uint64_t& h2, st
   MDB_cursor_op op;
   if (h1)
   {
-    MDB_val_set(k, h1);
-	op = MDB_SET;
+    k = MDB_val{sizeof(h1), (void*)&h1};
+    op = MDB_SET;
   } else
   {
     op = MDB_FIRST;