55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright 2018 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "base/logging.h"
|
|
#include "components/zucchini/buffer_view.h"
|
|
#include "components/zucchini/disassembler.h"
|
|
#include "components/zucchini/disassembler_dex.h"
|
|
|
|
namespace {
|
|
|
|
struct Environment {
|
|
Environment() { logging::SetMinLogLevel(logging::LOG_FATAL); }
|
|
};
|
|
|
|
} // namespace
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
static Environment env;
|
|
if (!size)
|
|
return 0;
|
|
// Prepare data.
|
|
std::vector<uint8_t> mutable_data(data, data + size);
|
|
zucchini::ConstBufferView image(mutable_data.data(), mutable_data.size());
|
|
|
|
// Create disassembler. Early exit on failure.
|
|
auto disassembler_dex =
|
|
zucchini::Disassembler::Make<zucchini::DisassemblerDex>(image);
|
|
if (!disassembler_dex)
|
|
return 0;
|
|
CHECK_LE(disassembler_dex->size(), image.size());
|
|
zucchini::MutableBufferView mutable_image(mutable_data.data(),
|
|
disassembler_dex->size());
|
|
|
|
std::vector<zucchini::Reference> references;
|
|
// Read all references in the file.
|
|
auto groups = disassembler_dex->MakeReferenceGroups();
|
|
for (const auto& group : groups) {
|
|
auto reader = group.GetReader(disassembler_dex.get());
|
|
for (auto ref = reader->GetNext(); ref.has_value();
|
|
ref = reader->GetNext()) {
|
|
references.push_back(ref.value());
|
|
}
|
|
reader.reset();
|
|
auto writer = group.GetWriter(mutable_image, disassembler_dex.get());
|
|
for (const auto& ref : references)
|
|
writer->PutNext(ref);
|
|
references.clear();
|
|
}
|
|
return 0;
|
|
}
|