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 "event_queue.h"
17 #include "eventqueueinsert_fuzzer.h"
18 #include "securec.h"
19
20 namespace OHOS {
21 namespace {
22 constexpr size_t U32_AT_SIZE = 4;
23 }
24
DoSomethingInterestingWithMyAPI(const char * data,size_t size)25 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
26 {
27 std::shared_ptr<AppExecFwk::IoWaiter> ioWaiter = nullptr;
28 AppExecFwk::EventQueue eventQueue(ioWaiter);
29 std::list<AppExecFwk::InnerEvent::Pointer> events;
30 AppExecFwk::InnerEvent::Pointer event = std::move(events.front());
31 AppExecFwk::EventQueue::Priority priority = AppExecFwk::EventQueue::Priority::LOW;
32 eventQueue.Insert(event, priority);
33 return true;
34 }
35 }
36
37 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)38 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
39 {
40 /* Run your code on data */
41 if (data == nullptr) {
42 return 0;
43 }
44
45 if (size < OHOS::U32_AT_SIZE) {
46 return 0;
47 }
48
49 char* ch = (char *)malloc(size + 1);
50 if (ch == nullptr) {
51 return 0;
52 }
53
54 (void)memset_s(ch, size + 1, 0x00, size + 1);
55 if (memcpy_s(ch, size, data, size) != EOK) {
56 free(ch);
57 ch = nullptr;
58 return 0;
59 }
60
61 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
62 free(ch);
63 ch = nullptr;
64 return 0;
65 }
66