fuzz.yml

# Copyright (c) the JPEG XL Project Authors. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# CI on pull-requests to run the fuzzer from oss-fuzz. See:
#
#   https://google.github.io/oss-fuzz/getting-started/continuous-integration/

name: CIFuzz
on:
  merge_group:
  pull_request:
    types: [opened, reopened, synchronize]
    paths:
      - '**.c'
      - '**.cc'
      - '**.cmake'
      - '**.h'
      - '**CMakeLists.txt'
      - .github/workflows/fuzz.yml

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  fuzzing:
    runs-on: ubuntu-latest
    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
      with:
        egress-policy: audit

    - name: Checkout source
      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      id: checkout
      with:
        # The build_fuzzers action checks out the code to the storage/libjxl
        # directory already, but doesn't check out the submodules. This step
        # is a workaround for checking out the submodules.
        path: storage/libjxl
        submodules: true
    - name: Build Fuzzers
      id: build
      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@71ecd5d4e4bf9a6edc19c9fa6d2422fb528bca4f # master
      with:
        oss-fuzz-project-name: 'libjxl'
        language: c++
    - name: Run Fuzzers
      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@71ecd5d4e4bf9a6edc19c9fa6d2422fb528bca4f # master
      with:
        oss-fuzz-project-name: 'libjxl'
        language: c++
        fuzz-seconds: 600
    - name: Upload Crash
      uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
      if: failure() && steps.build.outcome == 'success'
      with:
        name: artifacts
        path: ./out/artifacts