MSAN: unwind (fixing clang 22) odbc + connect + sqlite.

ci_build_images/msan.fragment.Dockerfile

@@ -23,7 +23,7 @@ ENV CXXFLAGS="$CFLAGS"
 
 # hadolint ignore=SC2046,DL3003
 RUN . /etc/os-release \
-    && export LLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
+    && export LLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
     && mkdir "$MSAN_LIBDIR" \
     && curl -sL https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor -o /usr/share/keyrings/llvm-snapshot.gpg \
     && if [ "$VERSION_CODENAME" = forky ]; then VERSION_CODENAME=unstable; LLVM_DEB=""; else LLVM_DEB="-$VERSION_CODENAME"; fi \
@@ -54,6 +54,7 @@ RUN . /etc/os-release \
     && cd ll-build \
     && cmake -S ../"$LLVM_DIR"*/runtimes \
         -DCMAKE_BUILD_TYPE=Release \
+        -DLIBCXXABI_USE_LLVM_UNWINDER=OFF \
         -DLLVM_ENABLE_RUNTIMES="${LLVM_ENABLE_RUNTIMES}" \
         -DLLVM_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_DOCS=OFF -DLLVM_ENABLE_SPHINX=OFF \
         -DLLVM_USE_SANITIZER=MemoryWithOrigins \
@@ -63,13 +64,6 @@ RUN . /etc/os-release \
     && cd .. \
     && rm -rf -- *
 
-RUN for f in "$MSAN_LIBDIR"/libunwind*; do mv "$f" "$f"-disable; done; \
-    if [ "${CLANG_VERSION}" -ge 22 ]; then \
-      apt-get -y install --no-install-recommends libunwind-19; \
-    fi
-# libunwind move/disable because of https://github.com/llvm/llvm-project/issues/128621
-# libunwind-19 meets ABI compatibility as its now linked to built executables.
-
 COPY msan.instrumentedlibs.sh /msan-build
 RUN ./msan.instrumentedlibs.sh
 

ci_build_images/msan.instrumentedlibs.sh

@@ -94,7 +94,7 @@ make -j "$(nproc)"
 cp -aL .libs/libxml2.so* "$MSAN_LIBDIR"
 rm -rf -- *
 
-# Unixodbc used by MariaDB Connect engine.
+# Unixodbc used by MariaDB Connect engine and C/ODBC.
 if [ "${VERSION_CODENAME}" = trixie ]; then
   # additional dependency in later debian versions.
   # libltdl-dev - System independent dlopen wrapper for GNU libtool
@@ -107,9 +107,31 @@ aclocal
 autoheader
 autoconf
 automake --add-missing
-./configure --enable-fastvalidate  --with-pth=no --with-included-ltdl=no
+./configure --enable-fastvalidate  --with-pth=no --with-included-ltdl=yes
 make -j "$(nproc)"
-mv ./DriverManager/.libs/libodbc.so* "$MSAN_LIBDIR"
+find .
+mv ./DriverManager/.libs/libodbc.so* ./odbcinst/.libs/libodbcinst.so* "$MSAN_LIBDIR"
+rm -rf -- *
+
+##libltdl - C/ODBC
+## libodbc does a fixed path load of /lib/x86_64-linux-gnu/libltdl.so.7, which
+## isn't the instrumented version, so changed --with-included-ltdl=yes above.
+#apt-get source libltdl-dev
+#mv libtool-*/* .
+#./bootstrap --force --no-git --skip-po --gnulib-srcdir=/usr/share/gnulib/ --copy
+#./configure
+#make -j "$(nproc)"
+#mv ./libltdl/.libs/libltdl.so* "$MSAN_LIBDIR"
+#rm -rf -- *
+
+# sqlite/odbc for CONNECT engine
+apt-get source libsqliteodbc
+mv sqliteodbc-*/* .
+mk-build-deps -it 'apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends --yes'
+autoreconf --install .
+./configure
+make -j "$(nproc)"
+mv ./.libs/libsqlite3odbc.so* "$MSAN_LIBDIR"
 rm -rf -- *
 
 # libfmt -  used by server for SFORMAT function