[gnutls-devel] GnuTLS | New CI runner with clang combined ubsan+asan (!1151)

[Development of GNU's TLS library]

Nikos Mavrogiannopoulos commented on a discussion on .gitlab-ci.yml: https://gitlab.com/gnutls/gnutls/merge_requests/1151#note_276110363

>        - tests/suite/*/*.log
>    retry: 1
>  
> +# Two runs, one with normal backend and another with pkcs11 trust store
> +UB+ASAN-Werror.Fedora.x86_64.clang:
> +  stage: stage1-testing
> +  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$FEDORA_BUILD
> +  script:
> +  - ./bootstrap
> +  - export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1:suppressions=$(pwd)/devel/ubsan.supp
> +  - export LSAN_OPTIONS=suppressions=$(pwd)/devel/lsan.supp
> +  - export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer
> +  - export CC=clang
> +  - export CXX=clang++
> +
> +# This makes several tests fail, needs discussion if helpful

I have seen several pendantic issues such as errors memcpy(x, NULL, 0) rejected as errors by such sanitizers. I think these are generally regarded as not very useful errors.

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