diff --git a/tests/libs/Android.bp b/tests/libs/Android.bp
index 8ae2257..a2fbe55 100644
--- a/tests/libs/Android.bp
+++ b/tests/libs/Android.bp
@@ -243,6 +243,38 @@
 }
 
 // -----------------------------------------------------------------------------
+// Libraries used by hwasan_test
+// -----------------------------------------------------------------------------
+cc_test_library {
+    name: "libtest_simple_hwasan",
+    arch: {
+        arm64: {
+            enabled: true,
+        },
+    },
+    sanitize: {
+        hwaddress: true,
+    },
+    relative_install_path: "hwasan",
+    enabled: false,
+    srcs: ["dlopen_testlib_simple_hwasan.cpp"],
+}
+
+cc_test_library {
+    // A weird name. This is the vanilla (non-HWASan) copy of the library that
+    // is used for the hwasan test.
+    name: "libtest_simple_hwasan_nohwasan",
+    arch: {
+        arm64: {
+            enabled: true,
+        },
+    },
+    stem: "libtest_simple_hwasan",
+    enabled: false,
+    srcs: ["dlopen_testlib_simple_hwasan.cpp"],
+}
+
+// -----------------------------------------------------------------------------
 // Library used by dlext direct unload on the namespace boundary tests
 // -----------------------------------------------------------------------------
 cc_test_library {
diff --git a/tests/libs/dlopen_testlib_simple_hwasan.cpp b/tests/libs/dlopen_testlib_simple_hwasan.cpp
new file mode 100644
index 0000000..b92e05f
--- /dev/null
+++ b/tests/libs/dlopen_testlib_simple_hwasan.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+
+#if __has_feature(hwaddress_sanitizer)
+extern "C" uint32_t dlopen_testlib_compiled_with_hwasan = true;
+#else
+extern "C" uint32_t dlopen_testlib_compiled_with_hwasan = false;
+#endif
+
+extern "C" bool dlopen_testlib_simple_hwasan_func() {
+  return true;
+}