From d8ff3dc80e28fe9be64d0000e8f6fcd1172d2f38 Mon Sep 17 00:00:00 2001
From: Damien Mehala <damien.mehala@datadoghq.com>
Date: Wed, 22 Oct 2025 07:17:57 -0400
Subject: [PATCH 1/3] chore(ci): build with sanitizers

---
 .github/workflows/dev.yml |  4 ++--
 CMakePresets.json         | 20 +++++++++++++++-----
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 94392a4e..c642d982 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -41,7 +41,7 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Configure
-        run: bin/with-toolchain ${{ matrix.toolchain }} cmake . -B .build -DCMAKE_BUILD_TYPE=Debug -DDD_TRACE_BUILD_TESTING=1  
+        run: bin/with-toolchain ${{ matrix.toolchain }} cmake . -B .build --preset ci-clang
       - name: Build
         run: cmake --build ${BUILD_DIR} -j -v
       - name: Test
@@ -129,7 +129,7 @@ jobs:
       - name: Build
         run: |
           & 'C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\Common7\\Tools\\Launch-VsDevShell.ps1' -arch ${{ matrix.arch }} 
-          cmake --preset=ci-windows -B build -DCMAKE_BUILD_TYPE=Debug .
+          cmake --preset=ci-msvc -B build -DCMAKE_BUILD_TYPE=Debug .
           cmake --build build -j $env:MAKE_JOB_COUNT -v
       - name: Test
         run: |
diff --git a/CMakePresets.json b/CMakePresets.json
index 99e2381d..bccc9895 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -3,14 +3,15 @@
   "$schema": "https://cmake.org/cmake/help/latest/_downloads/3e2d73bff478d88a7de0de736ba5e361/schema.json",
   "configurePresets": [
     {
-      "name": "ci-windows",
-      "displayName": "CI Windows",
+      "name": "ci-msvc",
+      "displayName": "CI MSVC",
       "generator": "Ninja",
       "cacheVariables": {
-        "CMAKE_COMPILE_WARNING_AS_ERROR": "1",
+        "CMAKE_COMPILE_WARNING_AS_ERROR": "ON",
         "BUILD_SHARED_LIBS": "OFF",
         "DD_TRACE_STATIC_CRT": "1",
-        "DD_TRACE_BUILD_TESTING": "1"
+        "DD_TRACE_BUILD_TESTING": "1",
+        "DD_TRACE_ENABLE_SANITIZE": "ON"
       }
     },
     {
@@ -26,11 +27,20 @@
       "cacheVariables": {
         "CMAKE_BUILD_TYPE": "Debug",
         "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
-        "DD_TRACE_ENABLE_SANITIZE": "OFF",
+        "DD_TRACE_ENABLE_SANITIZE": "ON",
         "DD_TRACE_BUILD_TESTING": "ON",
         "DD_TRACE_BUILD_EXAMPLES": "ON",
         "DD_TRACE_BUILD_FUZZERS": "OFF"
       }
+    },
+    {
+      "name": "ci-clang",
+      "displayName": "CI Clang",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Debug",
+        "DD_TRACE_ENABLE_SANITIZE": "ON",
+        "DD_TRACE_BUILD_TESTING": "ON"
+      }
     }
   ]
 }

From 27f12e1767d809bb8bacba1b4a6cff2da21179d7 Mon Sep 17 00:00:00 2001
From: Damien Mehala <damien.mehala@datadoghq.com>
Date: Wed, 22 Oct 2025 14:12:45 -0400
Subject: [PATCH 2/3] Apply suggestions from code review

Co-authored-by: Zach Montoya <zach.montoya@datadoghq.com>
---
 CMakePresets.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakePresets.json b/CMakePresets.json
index bccc9895..57abbeed 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -10,7 +10,7 @@
         "CMAKE_COMPILE_WARNING_AS_ERROR": "ON",
         "BUILD_SHARED_LIBS": "OFF",
         "DD_TRACE_STATIC_CRT": "1",
-        "DD_TRACE_BUILD_TESTING": "1",
+        "DD_TRACE_BUILD_TESTING": "ON",
         "DD_TRACE_ENABLE_SANITIZE": "ON"
       }
     },

From 0f5634c2e8c1e4f1af171394f8dbcfb39b5642d4 Mon Sep 17 00:00:00 2001
From: Damien Mehala <damien.mehala@datadoghq.com>
Date: Mon, 3 Nov 2025 21:53:05 -0400
Subject: [PATCH 3/3] ignore alloc/dealloc mismatch

---
 .github/workflows/dev.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index c642d982..3d3941c0 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -46,6 +46,8 @@ jobs:
         run: cmake --build ${BUILD_DIR} -j -v
       - name: Test
         run: cd ${BUILD_DIR} && test/tests -r junit -o report.xml
+        env:
+          ASAN_OPTIONS: alloc_dealloc_mismatch=0
       - name: Upload test report to Datadog
         run: |
           curl -L --fail "https://github.com/DataDog/datadog-ci/releases/latest/download/datadog-ci_linux-${{ matrix.arch }}" --output "/usr/local/bin/datadog-ci" && chmod +x /usr/local/bin/datadog-ci