Dylan Katz | 7168f27 | 2020-07-02 11:51:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <memory.h> |
| 18 | |
| 19 | #include "fuzzer/FuzzedDataProvider.h" |
| 20 | #include "utils/CallStack.h" |
| 21 | |
| 22 | static constexpr int MAX_STRING_SIZE = 500; |
| 23 | static constexpr int MAX_IGNORE_DEPTH = 200; |
| 24 | |
| 25 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| 26 | FuzzedDataProvider dataProvider(data, size); |
| 27 | size_t ignoreDepth = dataProvider.ConsumeIntegralInRange<size_t>(0, MAX_IGNORE_DEPTH); |
| 28 | int logPriority = dataProvider.ConsumeIntegral<int>(); |
| 29 | pid_t tid = dataProvider.ConsumeIntegral<pid_t>(); |
| 30 | std::string logTag = dataProvider.ConsumeRandomLengthString(MAX_STRING_SIZE); |
| 31 | std::string prefix = dataProvider.ConsumeRandomLengthString(MAX_STRING_SIZE); |
| 32 | |
| 33 | const char* logTagChars = logTag.c_str(); |
| 34 | const char* prefixChars = prefix.c_str(); |
| 35 | |
| 36 | android::CallStack::CallStackUPtr callStack = android::CallStack::getCurrent(ignoreDepth); |
| 37 | android::CallStack* callstackPtr = callStack.get(); |
| 38 | android::CallStack::logStack(logTagChars, callstackPtr, |
| 39 | static_cast<android_LogPriority>(logPriority)); |
| 40 | android::CallStack::stackToString(prefixChars); |
| 41 | |
| 42 | callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars); |
| 43 | callstackPtr->clear(); |
| 44 | callstackPtr->getCurrent(ignoreDepth); |
| 45 | callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars); |
| 46 | callstackPtr->update(ignoreDepth, tid); |
| 47 | callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars); |
| 48 | |
| 49 | return 0; |
| 50 | } |