diff --git a/include/core/graph.h b/include/core/graph.h
index 8415b15a..a8fc6485 100644
--- a/include/core/graph.h
+++ b/include/core/graph.h
@@ -64,7 +64,7 @@ class GraphObj : public Object {
 
     void optimize();
 
-    void dataMalloc();
+    void dataMalloc(bool useNaiveAllocator = false);
 
     /**
      * @brief Add an operator and create its outputs. Output tensor arguments
diff --git a/src/core/graph.cc b/src/core/graph.cc
index f662cf32..7e902247 100644
--- a/src/core/graph.cc
+++ b/src/core/graph.cc
@@ -123,9 +123,19 @@ void GraphObj::optimize() {
     }
 }
 
-void GraphObj::dataMalloc() {
+void GraphObj::dataMalloc(bool useNaiveAllocator) {
     // topological sorting first
     IT_ASSERT(topo_sort() == true);
+    if (useNaiveAllocator) {
+        // used for debugging memory out-of-bounds access, tensors will not be
+        // released correctly
+        // note: behavior may not match running in non-naive mode, and it may
+        // not reproduce the bug
+        for (auto &tensor : tensors) {
+            tensor->dataMalloc();
+        }
+        return;
+    }
     // count the number of times all tensors are used
     std::unordered_map<TensorObj *, size_t> tensorToRefCount;
     // record the memory address offsets of all tensors to be allocated