1 files changed, 47 insertions, 0 deletions
diff --git a/test/core/json/fuzzer.cc b/test/core/json/fuzzer.cc
new file mode 100644
index 0000000000..6dafabb95b
--- /dev/null
+++ b/test/core/json/fuzzer.cc
@@ -0,0 +1,47 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/json/json.h"
+#include "test/core/util/memory_counters.h"
+
+bool squelch = true;
+bool leak_check = true;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  char* s;
+  struct grpc_memory_counters counters;
+  grpc_memory_counters_init();
+  s = static_cast<char*>(gpr_malloc(size));
+  memcpy(s, data, size);
+  grpc_json* x;
+  if ((x = grpc_json_parse_string_with_len(s, size))) {
+    grpc_json_destroy(x);
+  }
+  gpr_free(s);
+  counters = grpc_memory_counters_snapshot();
+  grpc_memory_counters_destroy();
+  GPR_ASSERT(counters.total_size_relative == 0);
+  return 0;
+}