1#!/bin/bash -eu 2# Copyright 2021 Google Inc. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16################################################################################ 17 18build_args=( 19 -G Ninja 20 -DBUILD_TESTING=OFF 21 -DJPEGXL_ENABLE_BENCHMARK=OFF 22 -DJPEGXL_ENABLE_DEVTOOLS=ON 23 -DJPEGXL_ENABLE_EXAMPLES=OFF 24 -DJPEGXL_ENABLE_FUZZERS=ON 25 -DJPEGXL_ENABLE_MANPAGES=OFF 26 -DJPEGXL_ENABLE_SJPEG=OFF 27 -DJPEGXL_ENABLE_VIEWERS=OFF 28 -DCMAKE_BUILD_TYPE=Release 29) 30 31# Build and generate a fuzzer corpus in release mode without instrumentation. 32# This is done in a subshell since we change the environment. 33( 34 unset CFLAGS 35 unset CXXFLAGS 36 export AFL_NOOPT=1 37 38 mkdir -p ${WORK}/libjxl-corpus 39 cd ${WORK}/libjxl-corpus 40 cmake "${build_args[@]}" "${SRC}/libjxl" 41 ninja clean 42 ninja fuzzer_corpus 43 44 # Generate a fuzzer corpus. 45 mkdir -p djxl_fuzzer_corpus 46 tools/fuzzer_corpus -q -r djxl_fuzzer_corpus 47 zip -q -j "${OUT}/djxl_fuzzer_seed_corpus.zip" djxl_fuzzer_corpus/* 48) 49 50# Build the fuzzers in release mode but force the inclusion of JXL_DASSERT() 51# checks. 52export CXXFLAGS="${CXXFLAGS} -DJXL_IS_DEBUG_BUILD=1" 53 54mkdir -p ${WORK}/libjxl-fuzzer 55cd ${WORK}/libjxl-fuzzer 56cmake \ 57 "${build_args[@]}" \ 58 -DJPEGXL_FUZZER_LINK_FLAGS="${LIB_FUZZING_ENGINE}" \ 59 "${SRC}/libjxl" 60 61fuzzers=( 62 color_encoding_fuzzer 63 djxl_fuzzer 64 fields_fuzzer 65 icc_codec_fuzzer 66 rans_fuzzer 67) 68 69ninja clean 70ninja "${fuzzers[@]}" 71for fuzzer in "${fuzzers[@]}"; do 72 cp tools/${fuzzer} "${OUT}/" 73done 74