1 /*
2 * Copyright (C) 2017 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/base/utils.h"
21 #include "src/ipc/buffered_frame_deserializer.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::ipc::BufferedFrameDeserializer bfd;
27 size_t write_offset = 0;
28 while (write_offset < size) {
29 size_t available_size = size - write_offset;
30 auto rbuf = bfd.BeginReceive();
31 size_t chunk_size = std::min(available_size, rbuf.size);
32 memcpy(rbuf.data, data, chunk_size);
33 if (!bfd.EndReceive(chunk_size))
34 break;
35 write_offset += chunk_size;
36 }
37 return 0;
38 }
39