diff --git a/tools/testing/selftests/lkdtm/config b/tools/testing/selftests/lkdtm/config
index 304123688739..5d52f64dfb43 100644
--- a/tools/testing/selftests/lkdtm/config
+++ b/tools/testing/selftests/lkdtm/config
@@ -2,8 +2,10 @@ CONFIG_LKDTM=y
 CONFIG_DEBUG_LIST=y
 CONFIG_SLAB_FREELIST_HARDENED=y
 CONFIG_FORTIFY_SOURCE=y
+CONFIG_GCC_PLUGIN_STACKLEAK=y
 CONFIG_HARDENED_USERCOPY=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
+CONFIG_INIT_ON_FREE_DEFAULT_ON=y
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
 CONFIG_UBSAN=y
 CONFIG_UBSAN_BOUNDS=y