blob: e24ce4f93b739d4c9250f15b0ed785442d30dab6 [file] [log] [blame]
/*
* Copyright (C) 2018 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 <stddef.h>
#include <stdint.h>
#include "perfetto/ext/base/file_utils.h"
#include "perfetto/ext/base/utils.h"
#include "perfetto/ext/tracing/core/basic_types.h"
#include "src/profiling/common/unwind_support.h"
#include "src/profiling/memory/shared_ring_buffer.h"
#include "src/profiling/memory/unwinding.h"
#include "src/profiling/memory/unwound_messages.h"
namespace perfetto {
namespace profiling {
namespace {
class NopDelegate : public UnwindingWorker::Delegate {
void PostAllocRecord(UnwindingWorker*,
std::unique_ptr<AllocRecord>) override {}
void PostFreeRecord(UnwindingWorker*, std::vector<FreeRecord>) override {}
void PostHeapNameRecord(UnwindingWorker*, HeapNameRecord) override {}
void PostSocketDisconnected(UnwindingWorker*,
DataSourceInstanceID,
pid_t,
SharedRingBuffer::Stats) override {}
};
int FuzzUnwinding(const uint8_t* data, size_t size) {
SharedRingBuffer::Buffer buf(const_cast<uint8_t*>(data), size, 0u);
pid_t self_pid = getpid();
DataSourceInstanceID id = 0;
UnwindingMetadata metadata(base::OpenFile("/proc/self/maps", O_RDONLY),
base::OpenFile("/proc/self/mem", O_RDONLY));
NopDelegate nop_delegate;
UnwindingWorker::ClientData client_data{
id, {}, std::move(metadata), {}, {}, {}, {},
};
AllocRecordArena arena;
UnwindingWorker::HandleBuffer(nullptr, &arena, buf, &client_data, self_pid,
&nop_delegate);
return 0;
}
} // namespace
} // namespace profiling
} // namespace perfetto
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
return perfetto::profiling::FuzzUnwinding(data, size);
}