From 48060d1111cd907c3f8427f28c2c822c00083ddd Mon Sep 17 00:00:00 2001
From: Lee *!* Clagett <vtnerd@users.noreply.github.com>
Date: Tue, 23 Sep 2025 11:13:17 -0400
Subject: [PATCH] Add sanitizer option to build and add CI that uses it (#184)

---
 .github/workflows/build-ubuntu.yml | 52 ++++++++++++++++++++++++++++++
 CMakeLists.txt                     | 11 +++++++
 2 files changed, 63 insertions(+)

diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index 32880a1..40348af 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -105,4 +105,56 @@ jobs:
       
     - name: Run Tests
       run: cd ${{github.workspace}}/lws/build && ctest
+  build-sanitizer-tests:
+    runs-on: ${{matrix.os}}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        rmq: [WITH_RMQ=ON]
+        sanitizer: [SANITIZER=address]
+    steps:
+    - name: set apt conf (Debian based Linux)
+      if: matrix.os == 'ubuntu-latest'
+      run: ${{env.APT_SET_CONF}}
+    - name: update apt (Debian based Linux)
+      if: matrix.os == 'ubuntu-latest'
+      run: sudo apt update
+    - name: Install dependencies (Debian based Linux)
+      if: matrix.os == 'ubuntu-latest'
+      run: ${{env.APT_INSTALL_LINUX}}
+    - name: Install RabbitMQ iff WITH_RMQ (Debian based Linux)
+      if: matrix.rmq == 'WITH_RMQ=ON' && (matrix.os == 'ubuntu-latest')
+      run: sudo apt -y install librabbitmq-dev
+
+    - name: Install dependencies (MacOS)
+      if: matrix.os == 'macos-latest'
+      run: ${{env.BREW_INSTALL_MAC}}
+    - name: Install RabbitMQ iff WITH_RMQ (MacOS)
+      if: matrix.rmq == 'WITH_RMQ=ON' && (matrix.os == 'macos-latest')
+      run: HOMEBREW_NO_AUTO_UPDATE=1 brew install rabbitmq-c
+
+    - name: Checkout Monero Source
+      uses: actions/checkout@v4
+      with:
+        repository: monero-project/monero
+        path: ${{github.workspace}}/monero/
+        submodules: recursive
+
+    - name: Checkout LWS Source
+      uses: actions/checkout@v4
+      with:
+        path: ${{github.workspace}}/lws
+
+    - name: Configure LWS
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/lws/build -D${{matrix.rmq}} -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DMONERO_SOURCE_DIR=${{github.workspace}}/monero ${{github.workspace}}/lws -D${{matrix.sanitizer}} -DBUILD_TESTS=ON
+
+    - name: Build LWS
+      # Build your program with the given configuration
+      run: (cd ${{github.workspace}}/lws/build && make -j$(nproc))
+
+    - name: Run Tests
+      run: cd ${{github.workspace}}/lws/build && ctest --output-on-failure
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fad3fec..347d23e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,6 +45,17 @@ endif()
 set (LWS_BUILD_TESTS "${BUILD_TESTS}")
 set (BUILD_TESTS "Off")
 
+option(SANITIZER "Use specific sanitizer" OFF)
+if(NOT SANITIZER STREQUAL "OFF")
+  if (MSVC)
+    message(FATAL_ERROR "Cannot sanitize with MSVC")
+  else()
+    message(STATUS "Using sanitizer=${SANITIZER}")
+    add_compile_options("-fsanitize=${SANITIZER}")
+    add_link_options("-fsanitize=${SANITIZER}")
+  endif()
+endif()
+
 if(STATIC)
   if(MSVC)
     set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .dll.a .a ${CMAKE_FIND_LIBRARY_SUFFIXES})