Nils Andreas Svee
5ce5f4fcda
Installing cargo-fuzz under a nightly directory override made rustix's build script (a cargo-fuzz dependency) gate on `rustc_attrs`, which this runner's nightly rejects as reserved-for-rustc. Install nightly without overriding the directory default so `cargo install cargo-fuzz` still builds under stable; only `fuzz build`/`fuzz run` opt into `+nightly`.
68 lines
2.2 KiB
YAML
68 lines
2.2 KiB
YAML
name: Proto Fuzz Smoke
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on:
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push:
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branches:
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- main
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pull_request:
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branches:
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- main
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workflow_dispatch:
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permissions:
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contents: read
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env:
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CARGO_TERM_COLOR: always
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# Pinned for reproducibility; bump deliberately alongside `fuzz/Cargo.lock`.
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CARGO_FUZZ_VERSION: 0.13.1
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jobs:
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fuzz-smoke:
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name: cargo fuzz smoke
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runs-on: ubuntu-latest
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timeout-minutes: 20
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steps:
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- name: Checkout
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uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
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with:
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persist-credentials: false
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- name: Install stable Rust toolchain
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uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1
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with:
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cache-key: fuzz
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- name: Install nightly Rust toolchain
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# Installed alongside, but deliberately not made the directory
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# default: cargo-fuzz itself is built with the default stable
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# toolchain below, and only `fuzz build`/`fuzz run` are run with
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# `+nightly`. Building cargo-fuzz's own dependency tree under a
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# nightly override can trip build scripts (e.g. rustix) that gate
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# unstable internal attributes on detecting a nightly compiler.
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run: rustup toolchain install nightly --profile minimal --no-self-update
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- name: Install cargo-fuzz
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run: cargo install cargo-fuzz --locked --version "${CARGO_FUZZ_VERSION}"
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- name: Build all fuzz targets
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run: cargo +nightly fuzz build
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working-directory: fuzz
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- name: Run bounded fuzz smoke for every target
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# A single job building once and running each target sequentially
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# avoids recompiling the fuzz workspace per target. Ten seconds per
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# target is enough to catch a broken harness or an obvious
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# regression; this is not meant to be exhaustive fuzzing.
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run: |
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set -euo pipefail
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for target in decode_request decode_open_reply decode_echo_reply decode_params decode_varint; do
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echo "::group::fuzz smoke: ${target}"
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cargo +nightly fuzz run "${target}" -- \
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-max_total_time=10 \
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-timeout=5
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echo "::endgroup::"
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done
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working-directory: fuzz
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