From 1621724123d0ad598a79d55f5af36bcf359f5101 Mon Sep 17 00:00:00 2001 From: Michiel Visser Date: Wed, 6 Apr 2022 21:16:04 +0200 Subject: [PATCH] Meta: Add Brotli fuzzer --- Meta/Lagom/Fuzzers/CMakeLists.txt | 1 + Meta/Lagom/Fuzzers/FuzzBrotli.cpp | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 Meta/Lagom/Fuzzers/FuzzBrotli.cpp diff --git a/Meta/Lagom/Fuzzers/CMakeLists.txt b/Meta/Lagom/Fuzzers/CMakeLists.txt index 9c74c24341..a8c7b65a62 100644 --- a/Meta/Lagom/Fuzzers/CMakeLists.txt +++ b/Meta/Lagom/Fuzzers/CMakeLists.txt @@ -19,6 +19,7 @@ function(add_simple_fuzzer name) endfunction() add_simple_fuzzer(FuzzBMPLoader LagomGfx) +add_simple_fuzzer(FuzzBrotli LagomCompress) add_simple_fuzzer(FuzzCyrillicDecoder LagomTextCodec) add_simple_fuzzer(FuzzDeflateCompression LagomCompress) add_simple_fuzzer(FuzzDeflateDecompression LagomCompress) diff --git a/Meta/Lagom/Fuzzers/FuzzBrotli.cpp b/Meta/Lagom/Fuzzers/FuzzBrotli.cpp new file mode 100644 index 0000000000..7b98b01eed --- /dev/null +++ b/Meta/Lagom/Fuzzers/FuzzBrotli.cpp @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2022, the SerenityOS developers. + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include +#include +#include + +extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size) +{ + auto bufstream_result = Core::Stream::MemoryStream::construct({ const_cast(data), size }); + if (bufstream_result.is_error()) { + dbgln("MemoryStream::construct() failed."); + return 1; + } + auto bufstream = bufstream_result.release_value(); + + auto brotli_stream = Compress::BrotliDecompressionStream { *bufstream }; + + auto uncompressed = brotli_stream.read_all(); + return uncompressed.is_error(); +}