on_PR_linux_fuzz.yml

# Builds and runs the fuzz target for a short amount of time.  This is
# mainly to protect the fuzz target from bitrot, but hopefully will
# also help to quickly catch some bugs before the PR is merged.

name: On PRs - Linux-Ubuntu Quick Fuzz

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

on:
  pull_request:
    paths-ignore:
      - "*.md"
  workflow_dispatch:

jobs:
  Linux:
    name: 'Ubuntu 24.04 - clang/libFuzzer'
    runs-on: ubuntu-24.04

    steps:
    - uses: actions/checkout@v4
    - name: Install dependencies
      run: |
        sudo ./ci/install_dependencies.sh

    - name: Build
      env:
        CC: clang
        CXX: clang++
      run: |
        cmake --preset linux-sanitizers -S . -B build -DCMAKE_BUILD_TYPE=Release -DEXIV2_BUILD_FUZZ_TESTS=ON -DEXIV2_BUILD_UNIT_TESTS=OFF
        cmake --build build --parallel

    - name: Fuzz
      run: |
        cd build
        mkdir corpus
        LSAN_OPTIONS=suppressions=../fuzz/knownleaks.txt ./bin/fuzz-read-print-write corpus ../test/data/ -dict=../fuzz/exiv2.dict -jobs=$(nproc) -workers=$(nproc) -max_len=4096 -max_total_time=120