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scripts: create oss-fuzz script in go-ethereum (#21808)

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Martin Holst Swende 2020-11-10 15:21:41 +01:00 committed by GitHub
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#/bin/bash -eu
# Copyright 2020 Google Inc.
#
# 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.
#
################################################################################
# This file is for integration with Google OSS-Fuzz.
# The following ENV variables are available when executing on OSS-fuzz:
#
# /out/ $OUT Directory to store build artifacts (fuzz targets, dictionaries, options files, seed corpus archives).
# /src/ $SRC Directory to checkout source files.
# /work/ $WORK Directory to store intermediate files.
#
# $CC, $CXX, $CCC The C and C++ compiler binaries.
# $CFLAGS, $CXXFLAGS C and C++ compiler flags.
# $LIB_FUZZING_ENGINE C++ compiler argument to link fuzz target against the prebuilt engine library (e.g. libFuzzer).
function compile_fuzzer {
path=$SRC/go-ethereum/$1
func=$2
fuzzer=$3
echo "Building $fuzzer"
(cd $path && \
go-fuzz -func $func -o $WORK/$fuzzer.a . && \
echo "First stage built OK" && \
$CXX $CXXFLAGS $LIB_FUZZING_ENGINE $WORK/$fuzzer.a -o $OUT/$fuzzer && \
echo "Second stage built ok" )
}
compile_fuzzer common/bitutil Fuzz fuzzBitutilCompress
compile_fuzzer crypto/bn256 FuzzAdd fuzzBn256Add
compile_fuzzer crypto/bn256 FuzzMul fuzzBn256Mul
compile_fuzzer crypto/bn256 FuzzPair fuzzBn256Pair
compile_fuzzer core/vm/runtime Fuzz fuzzVmRuntime
compile_fuzzer crypto/blake2b Fuzz fuzzBlake2b
compile_fuzzer tests/fuzzers/keystore Fuzz fuzzKeystore
compile_fuzzer tests/fuzzers/txfetcher Fuzz fuzzTxfetcher
compile_fuzzer tests/fuzzers/rlp Fuzz fuzzRlp
compile_fuzzer tests/fuzzers/trie Fuzz fuzzTrie
compile_fuzzer tests/fuzzers/stacktrie Fuzz fuzzStackTrie
# This doesn't work very well @TODO
#compile_fuzzertests/fuzzers/abi Fuzz fuzzAbi