leveldb: fix memory leak in fuzzer. (#4712)

* leveldb: fix memory leak in fuzzer.

* leveldb: remove old code.

1 files changed, 1 insertions, 4 deletions

diff --git a/projects/leveldb/fuzz_db.cc b/projects/leveldb/fuzz_db.cc
index 7263881e..a9dfb482 100644
--- a/projects/leveldb/fuzz_db.cc
+++ b/projects/leveldb/fuzz_db.cc
@@ -36,10 +36,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   options.create_if_missing = true;
   leveldb::Status status = leveldb::DB::Open(options, "/tmp/testdb", &db);
 
-  // for random string generation
-  const uint8_t *curr_offset = data; 
-  size_t curr_size = size;
-
   std::string value;
 
   // perform a sequence of calls on our db instance
@@ -78,6 +74,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
       snapshot_options.snapshot = db->GetSnapshot();
       leveldb::Iterator* it = db->NewIterator(snapshot_options);
       db->ReleaseSnapshot(snapshot_options.snapshot);
+      delete it;
     } 
     else if(c == 6) { // Open and close DB
       delete db;