feat(bb): working msan preset

barretenberg/cpp/CMakePresets.json

@@ -159,11 +159,15 @@
       "description": "Build with thread sanitizer on clang16 with debugging information",
       "inherits": "clang16-dbg",
       "binaryDir": "build-msan",
-      "generator": "Unix Makefiles",
       "environment": {
         "CFLAGS": "-fsanitize=memory",
         "CXXFLAGS": "-fsanitize=memory",
         "LDFLAGS": "-fsanitize=memory"
+      },
+      "cacheVariables": {
+        "HAVE_STD_REGEX": "ON",
+        "CMAKE_CXX_FLAGS": "$env{MSAN_CFLAGS}",
+        "CMAKE_EXE_LINKER_FLAGS": "$env{MSAN_LFLAGS}"
       }
     },
     {

barretenberg/cpp/dockerfiles/interactive/Dockerfile.msan.ubuntu

@@ -0,0 +1,43 @@
+FROM ubuntu:lunar
+
+RUN apt update && apt install -y \
+  build-essential \
+  curl \
+  git \
+  cmake \
+  lsb-release \
+  wget \
+  software-properties-common \
+  gnupg \
+  ninja-build \
+  npm \
+  libssl-dev \
+  jq \
+  bash \
+  libstdc++6
+
+RUN wget https://apt.llvm.org/llvm.sh && chmod +x llvm.sh && ./llvm.sh 16
+
+ENV CXX=clang++-16
+ENV CC=clang-16
+
+RUN git clone --depth 1 -b release/16.x https://github.com/llvm/llvm-project
+
+RUN cd llvm-project
+
+RUN mkdir llvm-project/build
+
+RUN cmake -G Ninja -S llvm-project/runtimes -B llvm-project/build \
+  -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
+  -DLLVM_USE_SANITIZER=MemoryWithOrigins \
+  -DCMAKE_INSTALL_PREFIX=/opt
+
+RUN ninja -C llvm-project/build cxx cxxabi
+RUN ninja -C llvm-project/build install-cxx install-cxxabi
+
+ENV MSAN_CFLAGS="-std=c++20 -fsanitize=memory -nostdinc++ -I/opt/include -I/opt/include/c++/v1"
+ENV MSAN_LFLAGS="-fsanitize=memory -stdlib=libc++ -L/opt/lib -lc++abi -Wl,-rpath,/opt/lib"
+
+WORKDIR /usr/src/barretenberg/cpp
+
+CMD ["/bin/bash"]

barretenberg/cpp/scripts/docker_interactive.sh

@@ -9,8 +9,8 @@
 # Enter script directory.
 set -eu
 cd $(dirname $0)
-# allows for 'alpine' or 'ubuntu'
+# allows for 'alpine', 'ubuntu' or 'msan.ubuntu'
 ENVIRONMENT_KIND="${1:-alpine}"
 DOCKERFILE="../dockerfiles/interactive/Dockerfile.$ENVIRONMENT_KIND"
 docker build -t "env-$ENVIRONMENT_KIND" -f "$DOCKERFILE" .
-docker run -it --mount type=bind,source=$(pwd)/..,target=/usr/src/barretenberg/cpp "env-$ENVIRONMENT_KIND"
+docker run -it --mount type=bind,source=$(pwd)/..,target=/usr/src/barretenberg/cpp "env-$ENVIRONMENT_KIND"