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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/functional/bind.h"
#include "chrome/test/fuzzing/renderer_fuzzing/in_process_renderer_fuzzing.h"
#include "chrome/test/fuzzing/renderer_fuzzing/testcase.h"
#include "testing/libfuzzer/renderer_fuzzing/renderer_fuzzing.h"
// `RendererFuzzingAdapter` will be allocated by the internal renderer fuzzing
// mechanism. It is statically allocated, and will remain alive until the
// fuzzing process shuts down.
// This interacts with the generated RendererTestcase MojoLPM fuzzer.
class RendererFuzzingAdapter : public RendererFuzzerBase {
public:
using FuzzCase = RendererTestcase::ProtoTestcase;
const char* Id() override { return "MojoLPMRendererFuzzer"; }
void Run(
const blink::BrowserInterfaceBrokerProxy* context_interface_broker_proxy,
blink::ThreadSafeBrowserInterfaceBrokerProxy*
process_interface_broker_proxy,
blink::AssociatedInterfaceProvider* associated_interface_provider,
std::vector<uint8_t>&& input,
base::OnceClosure done_closure) override {
auto proto_testcase_ptr =
std::make_unique<RendererTestcase::ProtoTestcase>();
if (proto_testcase_ptr->ParseFromArray(input.data(), input.size())) {
auto ptr = std::make_unique<RendererTestcase>(
std::move(proto_testcase_ptr), context_interface_broker_proxy,
process_interface_broker_proxy, associated_interface_provider);
ptr->GetFuzzerTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
&mojolpm::RunTestcase<RendererTestcase>,
base::Unretained(ptr.get()), ptr->GetFuzzerTaskRunner(),
std::move(done_closure)
.Then(base::OnceClosure(
base::DoNothingWithBoundArgs(std::move(ptr))))));
} else {
std::move(done_closure).Run();
}
}
};
REGISTER_IN_PROCESS_RENDERER_PROTO_FUZZER(RendererFuzzingAdapter);
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