1 /*
2 * Copyright (c) 2023 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 "ashmemcreate_fuzzer.h"
17
18 #include <cstring>
19 #include <unistd.h>
20 #include <dlfcn.h>
21 #include <securec.h>
22
23 #include "graphic_adapter.h"
24
25 using namespace OHOS::NWeb;
26
27 namespace OHOS {
AshmemCreateFuzzTest(const uint8_t* data, size_t size)28 bool AshmemCreateFuzzTest(const uint8_t* data, size_t size)
29 {
30 if ((data == nullptr) || (size == 0)) {
31 return false;
32 }
33 AshmemAdapter ashmem;
34 char* name = new (std::nothrow) char[size + 1] {0};
35 if (name == nullptr) {
36 return false;
37 }
38 if (memcpy_s(name, size, data, size) != 0) {
39 delete[] name;
40 return false;
41 }
42 int fd = ashmem.AshmemCreate(name, size);
43 if (fd >= 0) {
44 close(fd);
45 }
46 delete[] name;
47 name = nullptr;
48 return true;
49 }
50 }
51
52 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
54 {
55 /* Run your code on data */
56 OHOS::AshmemCreateFuzzTest(data, size);
57 return 0;
58 }
59