Reintroduce Clang Sanitizer (#947)

Author: franzpoeschel

.github/ci/sanitizer/clang/Leak.supp

@@ -4,6 +4,7 @@ leak:mca_pmix_pmix*
 leak:libopen-pal*
 leak:libopen-rte*
 leak:libmpi*
+leak:libevent*
 # CPython 3.7.1 and pybind11 2.3.0
 leak:*py*
 # 10 byte memleak in main of "make" 4.1

.github/ci/spack-envs/clang10_nopy_ompi_h5_ad1_ad2/spack.yaml

@@ -0,0 +1,65 @@
+# This is a Spack environment file.
+#
+# Activating and installing this environment will provide all dependencies
+# that are needed for full-feature development.
+#   https//spack.readthedocs.io/en/latest/environments.html#anonymous-environments
+#
+spack:
+  specs:
+  - adios
+  - adios2
+  - hdf5
+  - openmpi
+
+  packages:
+    hdf5:
+      variants: ~mpi
+    adios:
+      variants: ~zfp ~sz ~lz4 ~blosc
+    adios2:
+      variants: ~zfp ~sz ~png ~dataman ~python ~fortran ~ssc ~shared ~bzip2
+    cmake:
+      externals:
+      - spec: "cmake"
+        prefix: /usr
+      buildable: False
+    openmpi:
+      externals:
+      - spec: "openmpi"
+        prefix: /usr
+      buildable: False
+    perl:
+      externals:
+      - spec: "perl"
+        prefix: /usr
+      buildable: False
+    python:
+      externals:
+      - spec: "python"
+        prefix: /usr
+      buildable: False
+    all:
+      target: ['x86_64']
+      variants: ~fortran
+      providers:
+        mpi: [openmpi]
+      compiler: [clang@10.0.0]
+
+  compilers:
+  - compiler:
+      environment: {}
+      extra_rpaths: []
+      flags: {}
+      modules: []
+      operating_system: ubuntu20.04
+      paths:
+        cc: /usr/lib/llvm-10/bin/clang
+        cxx: /usr/lib/llvm-10/bin/clang++
+        f77: /usr/bin/gfortran
+        fc: /usr/bin/gfortran
+      spec: clang@10.0.0
+      target: x86_64
+
+  config:
+    build_jobs: 2
+

.github/workflows/unix.yml

@@ -28,6 +28,37 @@ jobs:
         cat clang-tidy.log
         if [[ $(wc -m <clang-tidy.log) -gt 1 ]]; then exit 1; fi
 
+  clangsanitizer10_nopy_ompi_h5_ad1_ad2:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Spack Cache
+      uses: actions/cache@v2
+      with: {path: /opt/spack, key: clang10_nopy_ompi_h5_ad1_ad2 }
+    - name: Install
+      run: |
+        sudo apt-get update
+        sudo apt-get install clang-10 libc++-dev libc++abi-dev python3 gfortran libopenmpi-dev
+        python3 -m pip install -U pip
+        python3 -m pip install -U numpy
+        sudo .github/workflows/dependencies/install_spack
+    - name: Build
+      env: {CC: mpicc, CXX: mpic++, OMPI_CC: clang-10, OMPI_CXX: clang++-10, CXXFLAGS: -Werror -Wno-deprecated-declarations}
+      run: |
+        eval $(spack env activate --sh .github/ci/spack-envs/clangtidy_nopy_ompi_h5_ad1_ad2/)
+        spack install
+        SOURCEPATH="$(pwd)"
+        mkdir build && cd build
+        ../share/openPMD/download_samples.sh && chmod u-w samples/git-sample/*.h5
+        export LDFLAGS="${LDFLAGS} -fsanitize=address,undefined -shared-libsan"
+        CXXFLAGS="${CXXFLAGS} -fsanitize=address,undefined -shared-libsan"
+        CXXFLAGS="${CXXFLAGS}" cmake -S .. -B . -DopenPMD_USE_MPI=ON -DopenPMD_USE_PYTHON=ON -DopenPMD_USE_HDF5=ON -DopenPMD_USE_ADIOS2=ON -DopenPMD_USE_ADIOS1=ON -DopenPMD_USE_INVASIVE_TESTS=ON -DCMAKE_VERBOSE_MAKEFILE=ON
+        cmake --build . --parallel 2
+        export ASAN_OPTIONS=detect_stack_use_after_return=1:detect_leaks=1:check_initialization_order=true:strict_init_order=true:detect_stack_use_after_scope=1:fast_unwind_on_malloc=0
+        export LSAN_OPTIONS=suppressions="$SOURCEPATH/.github/ci/sanitizer/clang/Leak.supp"
+        export LD_PRELOAD=/usr/lib/clang/10/lib/linux/libclang_rt.asan-x86_64.so
+        ctest --output-on-failure
+
   clang5_nopy_nompi_h5:
     runs-on: ubuntu-18.04
     steps: