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 "flowbufferadapter_fuzzer.h"
17
18 #include <securec.h>
19 #include <sys/mman.h>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "ohos_adapter_helper.h"
23 #define private public
24 #include "flowbuffer_adapter_impl.h"
25
26 using namespace OHOS::NWeb;
27
28 namespace OHOS {
29 constexpr int MAX_SET_NUMBER = 1000;
30
FlowBufferAdapterFuzzTest(const uint8_t * data,size_t size)31 bool FlowBufferAdapterFuzzTest(const uint8_t* data, size_t size)
32 {
33 if ((data == nullptr) || (size < sizeof(int32_t))) {
34 return false;
35 }
36 auto flowbufferAdapter = OhosAdapterHelper::GetInstance().CreateFlowbufferAdapter();
37 int fd = 0;
38 FuzzedDataProvider dataProvider(data, size);
39 size_t scriptLength = dataProvider.ConsumeIntegralInRange<size_t>(0, MAX_SET_NUMBER);
40 flowbufferAdapter->CreateAshmem(scriptLength, PROT_READ | PROT_WRITE, fd);
41 flowbufferAdapter->StartPerformanceBoost();
42 close(fd);
43
44 auto flowbufferAdapter1 = OhosAdapterHelper::GetInstance().CreateFlowbufferAdapter();
45 int fd1 = 1;
46 size_t scriptLength1 = 10;
47 flowbufferAdapter1->CreateAshmemWithFd(fd1, scriptLength1, PROT_READ);
48 flowbufferAdapter1->StartPerformanceBoost();
49 close(fd1);
50 return true;
51 }
52 } // namespace OHOS
53
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 /* Run your code on data */
58 OHOS::FlowBufferAdapterFuzzTest(data, size);
59 return 0;
60 }
61