Daily parser fuzz #201
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name: Daily parser fuzz | |
on: | |
workflow_dispatch: | |
schedule: | |
- cron: "0 0 * * *" | |
pull_request: | |
paths: | |
- ".github/workflows/daily_fuzz.yaml" | |
permissions: | |
contents: read | |
concurrency: | |
group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }} | |
cancel-in-progress: true | |
env: | |
CARGO_INCREMENTAL: 0 | |
CARGO_NET_RETRY: 10 | |
CARGO_TERM_COLOR: always | |
RUSTUP_MAX_RETRIES: 10 | |
PACKAGE_NAME: ruff | |
FORCE_COLOR: 1 | |
jobs: | |
fuzz: | |
name: Fuzz | |
runs-on: ubuntu-latest | |
timeout-minutes: 20 | |
# Don't run the cron job on forks: | |
if: ${{ github.repository == 'astral-sh/ruff' || github.event_name != 'schedule' }} | |
steps: | |
- uses: actions/checkout@v4 | |
- uses: actions/setup-python@v5 | |
with: | |
python-version: "3.12" | |
- name: Install uv | |
run: curl -LsSf https://astral.sh/uv/install.sh | sh | |
- name: Install Python requirements | |
run: uv pip install -r scripts/fuzz-parser/requirements.txt --system | |
- name: "Install Rust toolchain" | |
run: rustup show | |
- name: "Install mold" | |
uses: rui314/setup-mold@v1 | |
- uses: Swatinem/rust-cache@v2 | |
- name: Build ruff | |
# A debug build means the script runs slower once it gets started, | |
# but this is outweighed by the fact that a release build takes *much* longer to compile in CI | |
run: cargo build --locked | |
- name: Fuzz | |
run: python scripts/fuzz-parser/fuzz.py $(shuf -i 0-9999999999999999999 -n 1000) --test-executable target/debug/ruff | |
create-issue-on-failure: | |
name: Create an issue if the daily fuzz surfaced any bugs | |
runs-on: ubuntu-latest | |
needs: fuzz | |
if: ${{ github.repository == 'astral-sh/ruff' && always() && github.event_name == 'schedule' && needs.fuzz.result == 'failure' }} | |
permissions: | |
issues: write | |
steps: | |
- uses: actions/github-script@v7 | |
with: | |
github-token: ${{ secrets.GITHUB_TOKEN }} | |
script: | | |
await github.rest.issues.create({ | |
owner: "astral-sh", | |
repo: "ruff", | |
title: `Daily parser fuzz failed on ${new Date().toDateString()}`, | |
body: "Runs listed here: https://github.com/astral-sh/ruff/actions/workflows/daily_fuzz.yml", | |
labels: ["bug", "parser", "fuzzer"], | |
}) |