1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "formashmem_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #define private public
23 #define protected public
24 #include "form_ashmem.h"
25 #undef private
26 #undef protected
27 #include "securec.h"
28
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
DoSomethingInterestingWithMyAPI(FuzzedDataProvider * fdp)32 bool DoSomethingInterestingWithMyAPI(FuzzedDataProvider *fdp)
33 {
34 if (fdp == nullptr) {
35 return true;
36 }
37 FormAshmem formAshmem;
38 std::string name = fdp->ConsumeRandomLengthString();
39 int32_t sizes = fdp->ConsumeIntegral<int32_t>();
40 formAshmem.WriteToAshmem(name, nullptr, sizes);
41 formAshmem.GetAshmemSize();
42 formAshmem.GetAshmem();
43 formAshmem.GetAshmemFd();
44 return true;
45 }
46 }
47
48 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 FuzzedDataProvider fdp(data, size);
52 OHOS::DoSomethingInterestingWithMyAPI(&fdp);
53 return 0;
54 }