CI: include a stack trace on UBSan failures

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 126474245b218df3c496902c524b47d3acb03240..43558ee3bb6a7fbdeb6bf368b3ecf2ee37e5cb69 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -231,6 +231,7 @@ portable-source:
         # Many of the tests run by pytest currently trigger ASan
         # memory leak detections. Disable those for now.
         - export ASAN_OPTIONS=detect_leaks=0
+        - export UBSAN_OPTIONS=print_stacktrace=1
         - python3 -m pytest --verbose --junitxml=report.xml ci/tests.py tests
         - ci/test_coverage.py --analyze
     # enable test coverage visualization in MR diff view