diff --git a/.bazelrc b/.bazelrc
index 209f1180ff024..02243119b8c9f 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -52,11 +52,15 @@ build:asan --config=sanitizer
 # ASAN install its signal handler, disable ours so the stacktrace will be printed by ASAN
 build:asan --define signal_trace=disabled
 build:asan --define ENVOY_CONFIG_ASAN=1
-build:asan --copt -fsanitize=address,undefined
-build:asan --linkopt -fsanitize=address,undefined
+build:asan --copt -fsanitize=leak
+build:asan --linkopt -fsanitize=leak
+build:asan --copt=-fno-omit-frame-pointer
+#build:asan --copt -fsanitize=address,undefined
+#build:asan --linkopt -fsanitize=address,undefined
 # vptr and function sanitizer are enabled in clang-asan if it is set up via bazel/setup_clang.sh.
 build:asan --copt -fno-sanitize=vptr,function
 build:asan --linkopt -fno-sanitize=vptr,function
+build:asan --linkopt -fno-omit-frame-pointer
 build:asan --copt -DADDRESS_SANITIZER=1
 build:asan --copt -D__SANITIZE_ADDRESS__
 build:asan --test_env=ASAN_OPTIONS=handle_abort=1:allow_addr2line=true:check_initialization_order=true:strict_init_order=true:detect_odr_violation=1
@@ -116,6 +120,7 @@ build:libc++ --action_env=BAZEL_CXXOPTS=-stdlib=libc++
 build:libc++ --action_env=BAZEL_LINKLIBS=-l%:libc++.a:-l%:libc++abi.a
 build:libc++ --action_env=BAZEL_LINKOPTS=-lm:-pthread
 build:libc++ --define force_libcpp=enabled
+#lambdai build:libc++ --copt -fsanitize=leak
 
 # Optimize build for binary size reduction.
 build:sizeopt -c opt --copt -Os
diff --git a/source/exe/main.cc b/source/exe/main.cc
index 80cfc86f18b0f..8ae2f9c872a7b 100644
--- a/source/exe/main.cc
+++ b/source/exe/main.cc
@@ -1,5 +1,6 @@
+#include "common/common/macros.h"
 #include "exe/main_common.h"
-
+#include <iostream>
 // NOLINT(namespace-envoy)
 
 /**
@@ -9,4 +10,14 @@
  * deployment such as initializing signal handling. It calls main_common
  * after setting up command line options.
  */
-int main(int argc, char** argv) { return Envoy::MainCommon::main(argc, argv); }
+int main(int argc, char** argv) {
+  auto pnew = new (int)(7);
+  pnew = nullptr; // The memory is leaked here.
+  auto pmalloc = malloc(7);
+  pmalloc = nullptr; // The memory is leaked here.
+  std::cout << "foo: after malloc and new" << std::endl;
+  return Envoy::MainCommon::main(argc, argv);
+  // UNREFERENCED_PARAMETER(argc);
+  // UNREFERENCED_PARAMETER(argv);
+  // return 0;
+}