Fuzzing #258
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| name: Fuzzing | |
| on: | |
| schedule: | |
| # Run fuzzing nightly at 2 AM UTC | |
| - cron: "0 2 * * *" | |
| workflow_dispatch: | |
| inputs: | |
| duration: | |
| description: "Fuzzing duration in seconds" | |
| required: false | |
| default: "600" | |
| env: | |
| CARGO_TERM_COLOR: always | |
| jobs: | |
| fuzz: | |
| name: Fuzz - ${{ matrix.target }} | |
| runs-on: ubuntu-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| target: | |
| - fuzz_unicode | |
| - fuzz_config | |
| - fuzz_file_scan | |
| - encoding_detection | |
| - homoglyph_detector | |
| - fuzz_clean | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Install Rust nightly | |
| uses: dtolnay/rust-toolchain@nightly | |
| - name: Cache cargo | |
| uses: Swatinem/rust-cache@v2 | |
| with: | |
| key: fuzz-${{ matrix.target }} | |
| - name: Install cargo-fuzz | |
| run: cargo install cargo-fuzz | |
| - name: Cache fuzz corpus | |
| uses: actions/cache@v4 | |
| with: | |
| path: fuzz/corpus | |
| key: fuzz-corpus-${{ matrix.target }}-${{ github.sha }} | |
| restore-keys: | | |
| fuzz-corpus-${{ matrix.target }}- | |
| - name: Run fuzzer | |
| run: | | |
| DURATION=${{ github.event.inputs.duration || '600' }} | |
| cargo fuzz run ${{ matrix.target }} -- -max_total_time=$DURATION -timeout=30 | |
| continue-on-error: true | |
| - name: Check for crashes | |
| id: check_crashes | |
| run: | | |
| if [ -d "fuzz/artifacts/${{ matrix.target }}" ]; then | |
| CRASH_COUNT=$(find fuzz/artifacts/${{ matrix.target }} -type f | wc -l) | |
| echo "crashes=$CRASH_COUNT" >> $GITHUB_OUTPUT | |
| if [ $CRASH_COUNT -gt 0 ]; then | |
| echo "Found $CRASH_COUNT crashes!" | |
| exit 1 | |
| fi | |
| fi | |
| - name: Upload crashes | |
| if: failure() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: fuzz-crashes-${{ matrix.target }} | |
| path: fuzz/artifacts/${{ matrix.target }}/ | |
| - name: Minimize corpus | |
| if: success() | |
| run: cargo fuzz cmin ${{ matrix.target }} |