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name: CIFuzz

on:
  pull_request:
    branches:
      - 'main'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || (github.repository == 'openthread/openthread' && github.run_id) || github.ref }}
  cancel-in-progress: true

permissions: {}

jobs:
  Fuzzing:
    runs-on: ubuntu-24.04

    permissions:
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        sanitizer: [address, undefined]

    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
      with:
        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
    
    - name: Build Fuzzers (${{ matrix.sanitizer }})
      id: build
      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
      with:
        oss-fuzz-project-name: 'openthread'
        language: 'c++'
        sanitizer: ${{ matrix.sanitizer }}

    - name: Run Fuzzers (${{ matrix.sanitizer }})
      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
      with:
        oss-fuzz-project-name: 'openthread'
        language: 'c++'
        fuzz-seconds: 1800
        sanitizer: ${{ matrix.sanitizer }}
        output-sarif: true

    - name: Upload Crash
      uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
      if: failure() && steps.build.outcome == 'success'
      with:
        name: ${{ matrix.sanitizer }}-artifacts
        path: ./out/artifacts

    - name: Upload Sarif
      if: always() && steps.build.outcome == 'success'
      uses: github/codeql-action/upload-sarif@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
      with:
        sarif_file: cifuzz-sarif/results.sarif
        checkout_path: cifuzz-sarif
