1 /*
2  * Copyright (C) 2020 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 <memory>
18 
19 #include <keymaster/serializable.h>
20 
21 #include "fuzzer/FuzzedDataProvider.h"
22 #include "serializable_types.h"
23 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)24 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
25     FuzzedDataProvider fdp(data, size);
26     std::unique_ptr<keymaster::Serializable> serializable =
27         keymaster::getSerializable(fdp.ConsumeEnum<keymaster::SerializableType>());
28 
29     std::vector<uint8_t> in_buf = fdp.ConsumeRemainingBytes<uint8_t>();
30 
31     // Now attempt to populate the object by deserializing the data. This will likely fail, but
32     // shouldn't crash.
33     const uint8_t* data_ptr = in_buf.data();
34     serializable->Deserialize(&data_ptr, data_ptr + in_buf.size());
35 
36     return 0;
37 }
38