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/ext/tracing/core/slice.h"
21 #include "src/tracing/core/packet_stream_validator.h"
22 
23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
24 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)25 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
26   perfetto::Slices slices;
27   for (const uint8_t* p = data; p < data + size;) {
28     size_t slice_size = *(p++);
29     size_t size_left = size - static_cast<size_t>(p - data);
30     slice_size = std::min(slice_size, size_left);
31     slices.emplace_back(perfetto::Slice(p, slice_size));
32     p += slice_size;
33   }
34   perfetto::PacketStreamValidator::Validate(slices);
35   return 0;
36 }
37