Sergey,

thanks for the patch! See my comments below.

Sergey

Relates to tarantool/tarantool#8473
---
 .github/workflows/sanitizers-testing.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/sanitizers-testing.yml b/.github/workflows/sanitizers-testing.yml
index 154ebe40..4bf7d023 100644
--- a/.github/workflows/sanitizers-testing.yml
+++ b/.github/workflows/sanitizers-testing.yml
@@ -41,7 +41,7 @@ jobs:
             CMAKEFLAGS: -DCMAKE_BUILD_TYPE=RelWithDebInfo
     runs-on: [self-hosted, regular, Linux, x86_64]
     name: >
-      LuaJIT with ASan (Linux/x86_64)
+      LuaJIT with ASan and UBSan (Linux/x86_64)
       ${{ matrix.BUILDTYPE }}
       CC:${{ matrix.CC }}
       GC64:ON SYSMALLOC:ON
@@ -70,9 +70,10 @@ jobs:
           cmake -S . -B ${{ env.BUILDDIR }}
           -G Ninja
           ${{ matrix.CMAKEFLAGS }}
+          -DLUAJIT_ENABLE_GC64=ON
           -DLUAJIT_USE_ASAN=ON
           -DLUAJIT_USE_SYSMALLOC=ON
-          -DLUAJIT_ENABLE_GC64=ON
+          -DLUAJIT_USE_UBSAN=ON
       - name: build
         run: cmake --build . --parallel
         working-directory: ${{ env.BUILDDIR }}
@@ -91,5 +92,8 @@ jobs:
             symbolize=1:                     \
             unmap_shadow_on_exit=1:          \
           "
+          UBSAN_OPTIONS: "
+            print_stacktrace=1 \

+          "
         run: cmake --build . --parallel --target LuaJIT-test
         working-directory: ${{ env.BUILDDIR }}