build tests in debug with sanitizers in CI

and run them with env to fail on sanitizer warnings
commiting intentional UB to test this

.github/workflows/ubuntu.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: 'recursive'
-      - name: Set up compiler
+      - name: build with cmake
         run: |
           if [ "${{ matrix.compiler }}" == "gcc" ]; then
             export CC=gcc
@@ -22,8 +22,5 @@ jobs:
             export CC=clang
             export CXX=clang++
           fi
-        shell: bash
-      - name: build with cmake
-        run: |
-          cmake -S . -B build  &&
-          cmake --build build  # includes tests by default
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=debug && # debug includes sanitizers
+          cmake --build build  # includes tests by default, tests are run with env set to fail on sanitizers

test/CMakeLists.txt

@@ -35,6 +35,10 @@ add_custom_command(
   TARGET binfuse_all_tests
   POST_BUILD 
   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-  COMMAND ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION> --output-on-failure # --verbose
+  COMMAND env 
+      ASAN_OPTIONS='halt_on_error=1:abort_on_error=1:print_summary=1' 
+      UBSAN_OPTIONS='halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1'
+      ${CMAKE_CTEST_COMMAND} 
+      -C $<CONFIGURATION> --output-on-failure # --verbose
   USES_TERMINAL       
 )

test/filter.cpp

@@ -9,6 +9,8 @@
 #include <vector>
 
 TEST(binfuse_filter, default_construct) { // NOLINT
+  char str[10];
+  str[1000] = 'a';
   binfuse::filter8 filter;
   EXPECT_FALSE(filter.is_populated());
 }