Enable asan on debug macos aarch64 builds

Makefile

@@ -1301,6 +1301,7 @@ jsc-build-mac-compile-lto:
 .PHONY: jsc-build-mac-compile-debug
 jsc-build-mac-compile-debug:
 	mkdir -p $(WEBKIT_DEBUG_DIR) $(WEBKIT_DIR);
+	# to disable asan, remove -DENABLE_SANITIZERS=address and add -DENABLE_MALLOC_HEAP_BREAKDOWN=ON
 	cd $(WEBKIT_DEBUG_DIR) && \
 		ICU_INCLUDE_DIRS="$(HOMEBREW_PREFIX)opt/icu4c/include" \
 		cmake \
@@ -1309,7 +1310,6 @@ jsc-build-mac-compile-debug:
 			-DCMAKE_BUILD_TYPE=Debug \
 			-DUSE_THIN_ARCHIVES=OFF \
 			-DENABLE_FTL_JIT=ON \
-			-DENABLE_MALLOC_HEAP_BREAKDOWN=ON \
 			-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
 			-DUSE_BUN_JSC_ADDITIONS=ON \
 			-DUSE_BUN_EVENT_LOOP=ON \
@@ -1321,6 +1321,7 @@ jsc-build-mac-compile-debug:
 			-DUSE_PTHREAD_JIT_PERMISSIONS_API=ON \
 			-DENABLE_REMOTE_INSPECTOR=ON \
 			-DUSE_VISIBILITY_ATTRIBUTE=1 \
+			-DENABLE_SANITIZERS=address \
 			$(WEBKIT_DIR) \
 			$(WEBKIT_DEBUG_DIR) && \
 	CFLAGS="$(CFLAGS) -ffat-lto-objects" CXXFLAGS="$(CXXFLAGS) -ffat-lto-objects" \

build.zig

@@ -46,6 +46,7 @@ const BunBuildOptions = struct {
     sha: []const u8,
     /// enable debug logs in release builds
     enable_logs: bool = false,
+    enable_asan: bool,
     tracy_callstack_depth: u16,
     reported_nodejs_version: Version,
     /// To make iterating on some '@embedFile's faster, we load them at runtime
@@ -275,6 +276,7 @@ pub fn build(b: *Build) !void {
 
         .tracy_callstack_depth = b.option(u16, "tracy_callstack_depth", "") orelse 10,
         .enable_logs = b.option(bool, "enable_logs", "Enable logs in release") orelse false,
+        .enable_asan = b.option(bool, "enable_asan", "Enable asan") orelse false,
     };
 
     // zig build obj
@@ -393,6 +395,7 @@ pub fn addMultiCheck(
                 .reported_nodejs_version = root_build_options.reported_nodejs_version,
                 .codegen_path = root_build_options.codegen_path,
                 .no_llvm = root_build_options.no_llvm,
+                .enable_asan = root_build_options.enable_asan,
             };
 
             var obj = addBunObject(b, &options);
@@ -440,6 +443,14 @@ pub fn addBunObject(b: *Build, opts: *BunBuildOptions) *Compile {
         .omit_frame_pointer = false,
         .strip = false, // stripped at the end
     });
+    if (opts.enable_asan) {
+        if (@hasField(Build.Module, "sanitize_address")) {
+            obj.root_module.sanitize_address = true;
+        } else {
+            const fail_step = b.addFail("asan is not supported on this platform");
+            obj.step.dependOn(&fail_step.step);
+        }
+    }
     obj.bundle_compiler_rt = false;
     obj.root_module.omit_frame_pointer = false;
 

cmake/CompilerFlags.cmake

@@ -44,6 +44,13 @@ if(WIN32)
   )
 endif()
 
+if(ENABLE_ASAN)
+  register_compiler_flags(
+    DESCRIPTION "Enable AddressSanitizer"
+    -fsanitize=address
+  )
+endif()
+
 # --- Optimization level ---
 if(DEBUG)
   register_compiler_flags(

cmake/Options.cmake

@@ -86,6 +86,11 @@ optionx(ENABLE_LTO BOOL "If LTO (link-time optimization) should be used" DEFAULT
 if(LINUX)
   optionx(ENABLE_VALGRIND BOOL "If Valgrind support should be enabled" DEFAULT OFF)
 endif()
+if(DEBUG AND APPLE AND CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64")
+  optionx(ENABLE_ASAN BOOL "If ASAN support should be enabled" DEFAULT ON)
+else()
+  optionx(ENABLE_ASAN BOOL "If ASAN support should be enabled" DEFAULT OFF)
+endif()
 
 optionx(ENABLE_PRETTIER BOOL "If prettier should be ran" DEFAULT OFF)
 

cmake/scripts/DownloadZig.cmake

@@ -28,7 +28,12 @@ else()
   message(FATAL_ERROR "Unsupported architecture: ${CMAKE_HOST_SYSTEM_PROCESSOR}")
 endif()
 
-set(ZIG_NAME zig-${ZIG_OS}-${ZIG_ARCH}-${ZIG_VERSION})
+set(ZIG_ASAN "")
+if(ENABLE_ASAN)
+  set(ZIG_ASAN "+asan")
+endif()
+
+set(ZIG_NAME zig-${ZIG_OS}-${ZIG_ARCH}-${ZIG_VERSION}${ZIG_ASAN})
 
 if(CMAKE_HOST_WIN32)
   set(ZIG_EXE "zig.exe")

cmake/targets/BuildBun.cmake

@@ -565,6 +565,7 @@ register_command(
       -Dcanary=${CANARY_REVISION}
       -Dcodegen_path=${CODEGEN_PATH}
       -Dcodegen_embed=$<IF:$<BOOL:${CODEGEN_EMBED}>,true,false>
+      -Denable_asan=$<IF:$<BOOL:${ENABLE_ASAN}>,true,false>
       --prominent-compile-errors
       ${ZIG_FLAGS_BUN}
   ARTIFACTS
@@ -827,6 +828,15 @@ if(NOT WIN32)
       )
     endif()
 
+    if (ENABLE_ASAN)
+      target_compile_options(${bun} PUBLIC
+        -fsanitize=address
+      )
+      target_link_libraries(${bun} PUBLIC
+        -fsanitize=address
+      )
+    endif()
+
     target_compile_options(${bun} PUBLIC
       -Werror=return-type
       -Werror=return-stack-address

cmake/targets/BuildMimalloc.cmake

@@ -4,7 +4,7 @@ register_repository(
   REPOSITORY
     oven-sh/mimalloc
   COMMIT
-    82b2c2277a4d570187c07b376557dc5bde81d848
+    1beadf9651a7bfdec6b5367c380ecc3fe1c40d1a
 )
 
 set(MIMALLOC_CMAKE_ARGS
@@ -19,6 +19,10 @@ set(MIMALLOC_CMAKE_ARGS
   -DMI_SKIP_COLLECT_ON_EXIT=ON
 )
 
+if(ENABLE_ASAN)
+  list(APPEND MIMALLOC_CMAKE_ARGS -DMI_TRACK_ASAN=ON)
+endif()
+
 if(DEBUG)
   list(APPEND MIMALLOC_CMAKE_ARGS -DMI_DEBUG_FULL=ON)
 endif()

cmake/tools/SetupWebKit.cmake

@@ -2,7 +2,7 @@ option(WEBKIT_VERSION "The version of WebKit to use")
 option(WEBKIT_LOCAL "If a local version of WebKit should be used instead of downloading")
 
 if(NOT WEBKIT_VERSION)
-  set(WEBKIT_VERSION e32c6356625cfacebff0c61d182f759abf6f508a)
+  set(WEBKIT_VERSION 851aabf42b06ba583cc0485ff9088e3f84c22f3d)
 endif()
 
 string(SUBSTRING ${WEBKIT_VERSION} 0 16 WEBKIT_VERSION_PREFIX)
@@ -79,6 +79,10 @@ else()
   set(WEBKIT_SUFFIX "${WEBKIT_SUFFIX}")
 endif()
 
+if(ENABLE_ASAN)
+  set(WEBKIT_SUFFIX "${WEBKIT_SUFFIX}-asan")
+endif()
+
 set(WEBKIT_NAME bun-webkit-${WEBKIT_OS}-${WEBKIT_ARCH}${WEBKIT_SUFFIX})
 set(WEBKIT_FILENAME ${WEBKIT_NAME}.tar.gz)
 setx(WEBKIT_DOWNLOAD_URL https://github.com/oven-sh/WebKit/releases/download/autobuild-${WEBKIT_VERSION}/${WEBKIT_FILENAME})

cmake/tools/SetupZig.cmake

@@ -21,7 +21,7 @@ else()
 endif()
 
 optionx(ZIG_VERSION STRING "The zig version of the compiler to download" DEFAULT "0.14.0-dev.2987+183bb8b08")
-optionx(ZIG_COMMIT STRING "The zig commit to use in oven-sh/zig" DEFAULT "568a19ea4b811a5580bbf869cdaf6071244b9bb2")
+optionx(ZIG_COMMIT STRING "The zig commit to use in oven-sh/zig" DEFAULT "63f8ed52c011beafde83216efba766492491ef4b")
 optionx(ZIG_TARGET STRING "The zig target to use" DEFAULT ${DEFAULT_ZIG_TARGET})
 
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
@@ -79,6 +79,7 @@ register_command(
       -DZIG_PATH=${ZIG_PATH}
       -DZIG_VERSION=${ZIG_VERSION}
       -DZIG_COMMIT=${ZIG_COMMIT}
+      -DENABLE_ASAN=${ENABLE_ASAN}
       -P ${CWD}/cmake/scripts/DownloadZig.cmake
   SOURCES
     ${CWD}/cmake/scripts/DownloadZig.cmake

src/bun.js/bindings/bindings.cpp

@@ -133,10 +133,12 @@
 
 #if OS(DARWIN)
 #if BUN_DEBUG
+#if !__has_feature(address_sanitizer)
 #include <malloc/malloc.h>
 #define IS_MALLOC_DEBUGGING_ENABLED 1
 #endif
 #endif
+#endif
 
 static WTF::StringView StringView_slice(WTF::StringView sv, unsigned start, unsigned end)
 {

src/bun.js/modules/BunJSCModule.h

@@ -50,10 +50,12 @@
 
 #if OS(DARWIN)
 #if BUN_DEBUG
+#if !__has_feature(address_sanitizer)
 #include <malloc/malloc.h>
 #define IS_MALLOC_DEBUGGING_ENABLED 1
 #endif
 #endif
+#endif
 
 using namespace JSC;
 using namespace WTF;