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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <memory.h>
#include "fuzzer/FuzzedDataProvider.h"
#include "utils/CallStack.h"
static constexpr int MAX_STRING_SIZE = 500;
static constexpr int MAX_IGNORE_DEPTH = 200;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
FuzzedDataProvider dataProvider(data, size);
size_t ignoreDepth = dataProvider.ConsumeIntegralInRange<size_t>(0, MAX_IGNORE_DEPTH);
int logPriority = dataProvider.ConsumeIntegral<int>();
pid_t tid = dataProvider.ConsumeIntegral<pid_t>();
std::string logTag = dataProvider.ConsumeRandomLengthString(MAX_STRING_SIZE);
std::string prefix = dataProvider.ConsumeRandomLengthString(MAX_STRING_SIZE);
const char* logTagChars = logTag.c_str();
const char* prefixChars = prefix.c_str();
android::CallStack::CallStackUPtr callStack = android::CallStack::getCurrent(ignoreDepth);
android::CallStack* callstackPtr = callStack.get();
android::CallStack::logStack(logTagChars, callstackPtr,
static_cast<android_LogPriority>(logPriority));
android::CallStack::stackToString(prefixChars);
callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars);
callstackPtr->clear();
callstackPtr->getCurrent(ignoreDepth);
callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars);
callstackPtr->update(ignoreDepth, tid);
callstackPtr->log(logTagChars, static_cast<android_LogPriority>(logPriority), prefixChars);
return 0;
}
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