Run fuzzing regression tests #9
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| # __ __ _ | |
| # ___\ \/ /_ __ __ _| |_ | |
| # / _ \\ /| '_ \ / _` | __| | |
| # | __// \| |_) | (_| | |_ | |
| # \___/_/\_\ .__/ \__,_|\__| | |
| # |_| XML parser | |
| # | |
| # Copyright (c) 2024 Sebastian Pipping <[email protected]> | |
| # Licensed under the MIT license: | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining | |
| # a copy of this software and associated documentation files (the | |
| # "Software"), to deal in the Software without restriction, including | |
| # without limitation the rights to use, copy, modify, merge, publish, | |
| # distribute, sublicense, and/or sell copies of the Software, and to permit | |
| # persons to whom the Software is furnished to do so, subject to the | |
| # following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included | |
| # in all copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | |
| # NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | |
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| # OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
| # USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| name: Run fuzzing regression tests | |
| on: | |
| pull_request: | |
| push: | |
| schedule: | |
| - cron: '0 2 * * 5' # Every Friday at 2am | |
| workflow_dispatch: | |
| permissions: | |
| contents: read | |
| jobs: | |
| run_fuzzers: | |
| name: Run fuzzing regression tests | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
| - name: Install Clang 18 | |
| run: |- | |
| set -x | |
| source /etc/os-release | |
| wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add - | |
| sudo add-apt-repository "deb https://apt.llvm.org/${UBUNTU_CODENAME}/ llvm-toolchain-${UBUNTU_CODENAME}-18 main" | |
| sudo apt-get update # due to new repository | |
| sudo apt-get install --yes --no-install-recommends -V \ | |
| clang-18 \ | |
| libclang-rt-18-dev \ | |
| llvm-18 | |
| echo /usr/lib/llvm-18/bin >>"${GITHUB_PATH}" | |
| - name: Build Expat fuzzers | |
| run: | | |
| set -x -o pipefail | |
| type -P clang clang++ | |
| clang --version | head -n1 | |
| clang++ --version | head -n1 | |
| cd expat/ | |
| args=( | |
| # Build nothing but fuzzers | |
| -DEXPAT_BUILD_DOCS=OFF | |
| -DEXPAT_BUILD_EXAMPLES=OFF | |
| -DEXPAT_BUILD_FUZZERS=ON | |
| -DEXPAT_BUILD_PKGCONFIG=OFF | |
| -DEXPAT_BUILD_TESTS=OFF | |
| -DEXPAT_BUILD_TOOLS=OFF | |
| # Tune compilation of fuzzers to use Clang with ASan and UBSan | |
| -DCMAKE_C_COMPILER=clang | |
| -DCMAKE_C_FLAGS='-Wall -Wextra -pedantic -O1 -g -fsanitize=address,undefined -fno-sanitize-recover=all -fno-omit-frame-pointer -fno-common' | |
| -DCMAKE_{EXE,MODULE,SHARED}_LINKER_FLAGS='-g -fsanitize=address,undefined' | |
| -DEXPAT_WARNINGS_AS_ERRORS=ON | |
| ) | |
| cmake "${args[@]}" -S . -B build | |
| make -C build VERBOSE=1 -j$(nproc) | |
| - name: Download and extract Expat fuzzing corpora | |
| run: |- | |
| set -x | |
| cd expat/build/ | |
| wget -q -O expat_corpus_UTF-8.zip https://storage.googleapis.com/expat-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/expat_xml_parse_fuzzer_UTF-8/public.zip | |
| wget -q -O expat_corpus_UTF-16LE.zip https://storage.googleapis.com/expat-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/expat_xml_parse_fuzzer_UTF-16LE/public.zip | |
| unzip -q -d corpus_UTF-8 expat_corpus_UTF-8.zip | |
| unzip -q -d corpus_UTF-16LE expat_corpus_UTF-16LE.zip | |
| - name: Run fuzzing regression tests (10+ minutes) | |
| run: | | |
| fuzz_args=( | |
| -jobs=$(nproc) | |
| -print_final_stats=1 | |
| -rss_limit_mb=2560 # from oss-fuzz | |
| -timeout=25 # from oss-fuzz | |
| ) | |
| set -x -o pipefail | |
| cd expat/build/ | |
| # vvvvv | |
| find corpus_UTF-8/ -type f | sort | xargs \ | |
| fuzz/xml_parse_fuzzer_UTF-8 "${fuzz_args[@]}" | |
| # ^^^^^ | |
| # vvvvvvvv | |
| find corpus_UTF-16LE/ -type f | sort | xargs \ | |
| fuzz/xml_parsebuffer_fuzzer_UTF-16LE "${fuzz_args[@]}" | |
| # ^^^^^^ ^^^^^^^^ | |
| - name: Store crashing test units | |
| if: ${{ failure() }} | |
| uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0 | |
| with: | |
| name: expat_fuzzing_trouble_${{ github.sha }} | |
| path: expat/build/*-???????????????????????????????????????? |