fix address sanitizer issue in batchnorm fprop and bprop kernel (#2159)

src/ngraph/runtime/cpu/builder/batch_norm.cpp

@@ -60,7 +60,8 @@ namespace ngraph
 
 #pragma clang diagnostic pop
 
-                shared_ptr<uint8_t> stacked_weights(new uint8_t[weight_sizes[0] + weight_sizes[1]]);
+                shared_ptr<uint8_t> stacked_weights(new uint8_t[weight_sizes[0] + weight_sizes[1]],
+                                                    std::default_delete<uint8_t[]>());
 
                 const float ops_scale = 1.f;
                 const float ops_alpha = -0.f; // relu negative slope
@@ -319,9 +320,10 @@ namespace ngraph
                     args[1].get_size() * args[1].get_element_type().size()};
 
 #pragma clang diagnostic pop
-                shared_ptr<uint8_t> stacked_weights(new uint8_t[weight_sizes[0] + weight_sizes[1]]);
-                shared_ptr<uint8_t> stacked_dweights(
-                    new uint8_t[weight_sizes[0] + weight_sizes[1]]);
+                shared_ptr<uint8_t> stacked_weights(new uint8_t[weight_sizes[0] + weight_sizes[1]],
+                                                    std::default_delete<uint8_t[]>());
+                shared_ptr<uint8_t> stacked_dweights(new uint8_t[weight_sizes[0] + weight_sizes[1]],
+                                                     std::default_delete<uint8_t[]>());
 
                 auto& mkldnn_emitter = external_function->get_mkldnn_emitter();
                 auto weights_shape = Shape{2, args[0].get_size()};