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 #include "hksabort_fuzzer.h"
16
17 #include <securec.h>
18
19 #include "hks_api.h"
20 #include "hks_mem.h"
21 #include "hks_param.h"
22 #include "hks_type.h"
23
24 const int BLOB_SIZE = 10;
25
26 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)27 bool DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
28 {
29 if (data == nullptr || size <= (sizeof(struct HksParamSet) + BLOB_SIZE)) {
30 return false;
31 }
32
33 uint8_t *myData = static_cast<uint8_t *>(HksMalloc(sizeof(uint8_t) * size));
34 if (myData == nullptr) {
35 return false;
36 }
37
38 (void)memcpy_s(myData, size, data, size);
39
40 struct HksBlob handle = { BLOB_SIZE, myData };
41 struct HksParamSet *paramSet = reinterpret_cast<struct HksParamSet *>(myData + BLOB_SIZE);
42 paramSet->paramSetSize = size - BLOB_SIZE;
43
44 (void)HksAbort(&handle, paramSet);
45
46 HksFree(myData);
47 return true;
48 }
49 }
50
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
52 {
53 OHOS::DoSomethingInterestingWithMyAPI(data, size);
54 return 0;
55 }
56