diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_bilinear_grad_cpu_kernel.cc b/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_bilinear_grad_cpu_kernel.cc
index bf28dc231f..fcd3cc5395 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_bilinear_grad_cpu_kernel.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_bilinear_grad_cpu_kernel.cc
@@ -54,6 +54,11 @@ void ResizeBilinearGradCPUKernel::LaunchKernel(const std::vector<AddressPtr> &in
   auto dloss_addr = reinterpret_cast<T *>(inputs[0]->addr);
   auto output_addr = reinterpret_cast<T *>(outputs[0]->addr);
 
+  auto ret = memset_s(output_addr, outputs[0]->size, 0, outputs[0]->size);
+  if (ret != EOK) {
+    MS_LOG(ERROR) << "Output buffer memset failed, ret:" << ret;
+  }
+
   size_t batch_size = shape_[0];
   size_t channel = shape_[1];
   size_t in_height = shape_[2];
diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_nearest_neighbor_grad_cpu_kernel.cc b/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_nearest_neighbor_grad_cpu_kernel.cc
index 50f12a216a..4d20c01d3b 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_nearest_neighbor_grad_cpu_kernel.cc
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/resize_nearest_neighbor_grad_cpu_kernel.cc
@@ -55,6 +55,12 @@ void ResizeNearestNeighborGradCPUKernel::LaunchKernel(const std::vector<AddressP
                                                       const std::vector<AddressPtr> &outputs) {
   auto dloss_addr = reinterpret_cast<T *>(inputs[0]->addr);
   auto output_addr = reinterpret_cast<T *>(outputs[0]->addr);
+
+  auto ret = memset_s(output_addr, outputs[0]->size, 0, outputs[0]->size);
+  if (ret != EOK) {
+    MS_LOG(ERROR) << "Output buffer memset failed, ret:" << ret;
+  }
+
   size_t in_hw_size = in_width_ * in_height_;
   size_t out_hw_size = out_width_ * out_height_;