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 "codedataaccessor_fuzzer.h"
17
18 #include "libpandafile/file.h"
19 #include "libpandafile/class_data_accessor-inl.h"
20 #include "libpandafile/code_data_accessor-inl.h"
21 #include "libpandafile/method_data_accessor-inl.h"
22
23 namespace OHOS {
CodeDataAccessorFuzzTest(const uint8_t * data,size_t size)24 void CodeDataAccessorFuzzTest(const uint8_t* data, size_t size)
25 {
26 try {
27 auto pf = panda::panda_file::OpenPandaFileFromMemory(data, size);
28 if (pf == nullptr) {
29 return;
30 }
31 const auto &panda_file = *pf;
32 for (const auto &header : panda_file.GetIndexHeaders()) {
33 const auto &methods = panda_file.GetMethodIndex(&header);
34 for (const auto &id : methods) {
35 panda::panda_file::MethodDataAccessor mda(panda_file, id);
36 auto value = mda.GetCodeId();
37 if (value.has_value()) {
38 panda::panda_file::CodeDataAccessor coda(panda_file, value.value());
39 }
40 }
41 }
42 } catch (panda::panda_file::helpers::FileAccessException &e) {
43 // Known exception, no need exposing
44 }
45 }
46 } // namespace OHOS
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 /* Run your code on data */
52 OHOS::CodeDataAccessorFuzzTest(data, size);
53 return 0;
54 }
55