blob: 7267d26eea05ce64b1a6e6381a1ad8c8584a7c58 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/values.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace base {
// Entry point for LibFuzzer.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
if (size < 2)
return 0;
// Create a copy of input buffer, as otherwise we don't catch
// overflow that touches the last byte (which is used in options).
std::unique_ptr<char[]> input(new char[size - 1]);
memcpy(input.get(), data, size - 1);
StringPiece input_string(input.get(), size - 1);
const int options = data[size - 1];
JSONReader::ValueWithError json_val =
JSONReader::ReadAndReturnValueWithError(input_string, options);
if (json_val.value) {
// Check that the value can be serialized and deserialized back to an
// equivalent |Value|.
const Value& value = json_val.value.value();
std::string serialized;
CHECK(JSONWriter::Write(value, &serialized));
absl::optional<Value> deserialized =
JSONReader::Read(StringPiece(serialized));
CHECK(deserialized);
CHECK(value.Equals(&deserialized.value()));
}
return 0;
}
} // namespace base
|
