fuzzer.yml

name: "Fuzzer Workflow"
on:
  schedule:
  # At the end of every day
  - cron: "0 0 * * *"
jobs:
  run-fuzzers:
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v3
      with:
        ref: ${{ github.head_ref }}


    - name: Cache Inputs
      id: cache-inputs
      uses: actions/cache@v3
      with:
      # Path where the inputs for the fuzzer are stored
        path: fuzzer/hfuzz_workspace/fuzz_json/input
        key: ${{ runner.os }}-inputs

    
    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential
        sudo apt-get install binutils-dev
        sudo apt-get install libunwind-dev
        sudo curl https://sh.rustup.rs -sSf | bash -s -- -y --default-toolchain nightly

    - name: Set Environment Variable
      run: echo "PATH="/root/.cargo/bin:${PATH}"" >> $GITHUB_ENV

    - name: Install Honggfuzz
      run: cargo install honggfuzz

    # If has cached inputs starts with them or else starts from 0
    - name: Initializing fuzzer with previous inputs 
      run: |
        cd fuzzer
        HFUZZ_RUN_ARGS="--dict=json.dict --run_time 10800 --timeout 60" cargo hfuzz run fuzz_json

    # run the fuzzer with minimize to reduce inputs 
    - name: Initializing fuzzer with minimize
      run: |
        cd fuzzer
        HFUZZ_RUN_ARGS="--dict=json.dict --minimize --timeout 60 -T" cargo hfuzz run fuzz_json

    - uses: stefanzweifel/git-auto-commit-action@v4
      with:
        commit_message: changing report
        file_pattern: '*/hfuzz_workspace/fuzzer/fuzz_json/HONGGFUZZ*  */hfuzz_workspace/fuzzer/fuzz_json/*.fuzz'

    # Checkout current and last commit for the diff
    - name: Checkout commits  
      uses: actions/checkout@v3
      with:
        fetch-depth: 2

    # Check if any new crashes were added
    - name: Check diff
      id: check_file_changed
      run:  echo "report=$(git diff --name-only HEAD^ HEAD -- fuzzer/hfuzz_workspace/fuzz_json/*.fuzz)" >> $GITHUB_OUTPUT 

    # If a new crash was found, create an issue
    - name: Create issue 
      uses: JasonEtco/create-an-issue@v2
      if: ${{ steps.check_file_changed.outputs.report != '' }} 
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        CRASH_REPORT: ${{ steps.check_file_changed.outputs.report }}
      with:
        filename: .github/ISSUE_TEMPLATE/crash_report.md