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- // Copyright 2016 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 "net/filter/brotli_source_stream.h"
- #include <fuzzer/FuzzedDataProvider.h>
- #include "base/memory/ref_counted.h"
- #include "net/base/io_buffer.h"
- #include "net/base/test_completion_callback.h"
- #include "net/filter/fuzzed_source_stream.h"
- #include "net/filter/source_stream.h"
- // Fuzzer for BrotliSourceStream.
- //
- // |data| is used to create a FuzzedSourceStream.
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- net::TestCompletionCallback callback;
- FuzzedDataProvider data_provider(data, size);
- auto fuzzed_source_stream =
- std::make_unique<net::FuzzedSourceStream>(&data_provider);
- std::unique_ptr<net::SourceStream> brotli_stream =
- net::CreateBrotliSourceStream(std::move(fuzzed_source_stream));
- while (true) {
- scoped_refptr<net::IOBufferWithSize> io_buffer =
- base::MakeRefCounted<net::IOBufferWithSize>(64);
- int result = brotli_stream->Read(io_buffer.get(), io_buffer->size(),
- callback.callback());
- // Releasing the pointer to IOBuffer immediately is more likely to lead to a
- // use-after-free.
- io_buffer = nullptr;
- if (callback.GetResult(result) <= 0)
- break;
- }
- return 0;
- }
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