1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stddef.h>
18 #include <stdint.h>
19
20 #include "perfetto/base/logging.h"
21 #include "perfetto/protozero/proto_decoder.h"
22
23 namespace protozero {
24 namespace {
25
FuzzProtoDecoder(const uint8_t * data,size_t size)26 int FuzzProtoDecoder(const uint8_t* data, size_t size) {
27 volatile uint64_t value = 0;
28 ProtoDecoder dec(data, size);
29 for (auto field = dec.ReadField(); field.valid(); field = dec.ReadField()) {
30 value += field.raw_int_value();
31 }
32 TypedProtoDecoder<1, 0> typed_decoder_1(data, size);
33 TypedProtoDecoder<999, 0> typed_decoder_2(data, size);
34 return 0;
35 }
36
37 } // namespace
38 } // namespace protozero
39
40 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
41
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
43 return protozero::FuzzProtoDecoder(data, size);
44 }
45