diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/common_infer.c b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/common_infer.c
index 0bee95b8467..032143b02c2 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/common_infer.c
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/common_infer.c
@@ -273,6 +273,9 @@ int GetChannel(const TensorC *tensor) {
 }
 
 int GetElementNum(const TensorC *tensor) {
+  if (tensor == NULL) {
+    return -1;
+  }
   if (tensor->shape_size_ == 0) {
     return 1;  // scalar mode
   }
diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/range_infer.c b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/range_infer.c
index 4064800b6fb..c039ddf380e 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/range_infer.c
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/range_infer.c
@@ -20,21 +20,14 @@
 
 int RangeInferShape(const TensorC *const *inputs, size_t inputs_size, TensorC **outputs, size_t outputs_size,
                     OpParameter *parameter) {
-  int check_ret = CheckAugmentWithMinSize(inputs, inputs_size, outputs, outputs_size, parameter, 1, 1);
+  int check_ret = CheckAugmentNullSizeInputTwo(inputs, inputs_size, outputs, outputs_size, parameter, 1, C3NUM, 1);
   if (check_ret != NNACL_OK) {
     return check_ret;
   }
 
   const TensorC *input = inputs[0];
   TensorC *output = outputs[0];
-  NNACL_CHECK_NULL_RETURN_ERR(input);
-  NNACL_CHECK_NULL_RETURN_ERR(output);
-
-  if (inputs_size == C3NUM) {
-    output->data_type_ = input->data_type_;
-  } else {
-    output->data_type_ = kNumberTypeInt32;
-  }
+  output->data_type_ = inputs_size == C3NUM ? input->data_type_ : kNumberTypeInt32;
   output->format_ = input->format_;
   if (!InferFlag(inputs, inputs_size)) {
     return NNACL_INFER_INVALID;
diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/slice_infer.c b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/slice_infer.c
index b63521a6fec..ce12667bc71 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/slice_infer.c
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/slice_infer.c
@@ -95,7 +95,11 @@ int SliceInferShape(const TensorC *const *inputs, size_t inputs_size, TensorC **
   int begin[MAX_SHAPE_SIZE];
   int size[MAX_SHAPE_SIZE];
   for (int32_t i = 0; i < param->param_length_; ++i) {
-    MS_CHECK_TRUE_RET(param->axis_[i] < param->param_length_, NNACL_PARAM_INVALID);
+    if (param->axis_[i] < 0) {
+      MS_CHECK_INT_ADD_NOT_OVERFLOW(param->axis_[i], (int)input->shape_size_, NNACL_PARAM_INVALID);
+      param->axis_[i] += (int)input->shape_size_;
+    }
+    MS_CHECK_TRUE_RET(param->axis_[i] >= 0 && param->axis_[i] < param->param_length_, NNACL_PARAM_INVALID);
     begin[param->axis_[i]] = param->begin_[i];
     size[param->axis_[i]] = param->size_[i];
   }
diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/strided_slice_infer.c b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/strided_slice_infer.c
index 81543607f51..cffedbf2f39 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/strided_slice_infer.c
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/strided_slice_infer.c
@@ -16,6 +16,7 @@
 
 #include "nnacl/infer/strided_slice_infer.h"
 #include "nnacl/infer/infer_register.h"
+#include "nnacl/op_base.h"
 
 const size_t kStridedSliceOutputNum = 1;
 const size_t kStridedSliceInputNum = 1;
@@ -124,10 +125,9 @@ int HandleAxesInputExist(const TensorC *const *inputs, int *ndim, int *in_shape,
 
   int *stride_data = NULL;
   const TensorC *stride_tensor = inputs[4];
-  if (GetElementNum(stride_tensor) != 0) {
-    if (GetElementNum(stride_tensor) != begin_ndim) {
-      return NNACL_ERR;
-    }
+  int stride_data_num = GetElementNum(stride_tensor);
+  if (stride_data_num != 0) {
+    MS_CHECK_TRUE_RET(stride_data_num == begin_ndim, NNACL_ERR);
     stride_data = (int *)(stride_tensor->data_);
   }
 
@@ -271,9 +271,10 @@ int ApplyEllipsisMask(StridedSliceTransferBuffer *transfer_buffer, const int *in
   return NNACL_OK;
 }
 
-int TransIndexToPositive(StridedSliceTransferBuffer *transfer_buffer, const int *in_shape, size_t in_shape_size) {
+int TransIndexToPositive(StridedSliceTransferBuffer *transfer_buffer, const int *in_shape, size_t max_shape_size,
+                         size_t in_shape_size) {
   for (size_t i = 0; i < transfer_buffer->begins_size_; i++) {
-    if (i >= in_shape_size) {
+    if (i >= max_shape_size) {
       return NNACL_ERR;
     }
     if (transfer_buffer->begins_[i] < 0) {
@@ -282,6 +283,15 @@ int TransIndexToPositive(StridedSliceTransferBuffer *transfer_buffer, const int
     if (transfer_buffer->ends_[i] < 0) {
       transfer_buffer->ends_[i] += in_shape[i];
     }
+    if (i < in_shape_size) {
+      if (transfer_buffer->begins_[i] < 0 || transfer_buffer->begins_[i] > in_shape[i]) {
+        return NNACL_ERR;
+      }
+      if ((transfer_buffer->ends_[i] < 0 && transfer_buffer->ends_[i] != -1) ||
+          transfer_buffer->ends_[i] > in_shape[i]) {
+        return NNACL_ERR;
+      }
+    }
   }
   return NNACL_OK;
 }
@@ -426,7 +436,7 @@ int StridedSliceInferShape(const TensorC *const *inputs, size_t inputs_size, Ten
   int output_shape[MAX_SHAPE_SIZE];
   size_t output_shape_size = 0;
   ShapeSet(output_shape, &output_shape_size, in_shape, in_shape_size);
-  ret = TransIndexToPositive(&transfer_buffer, in_shape, MAX_SHAPE_SIZE);
+  ret = TransIndexToPositive(&transfer_buffer, in_shape, MAX_SHAPE_SIZE, input->shape_size_);
   if (ret != NNACL_OK) {
     return ret;
   }
diff --git a/mindspore/lite/src/ops/compat/attr_transfer_common.cc b/mindspore/lite/src/ops/compat/attr_transfer_common.cc
index 3789a10c739..d222d38716d 100644
--- a/mindspore/lite/src/ops/compat/attr_transfer_common.cc
+++ b/mindspore/lite/src/ops/compat/attr_transfer_common.cc
@@ -21,24 +21,26 @@
 
 namespace mindspore {
 namespace lite {
-schema::Tensor *AttrToTensor(const void *data, int data_size, bool is_array, TypeId type_id,
+schema::Tensor *AttrToTensor(const void *data, size_t data_size, bool is_array, TypeId type_id,
                              std::vector<char *> *const tensor_bufs) {
   if (data == nullptr || tensor_bufs == nullptr) {
     MS_LOG(ERROR) << "the parameter of this function is nullptr.";
     return nullptr;
   }
-  auto dst_tensor = (is_array ? new (std::nothrow) Tensor(type_id, {data_size}, mindspore::NHWC, Category::CONST_TENSOR)
-                              : new (std::nothrow) Tensor(type_id, {}, mindspore::NHWC, Category::CONST_SCALAR));
-  auto dst_data = dst_tensor->MutableData();
-  if (dst_data == nullptr) {
-    MS_LOG(ERROR) << "Data from tensor is nullptr";
-    delete dst_tensor;
+  if (data_size > static_cast<size_t>(INT32_MAX)) {
+    MS_LOG(ERROR) << "the amount of data exceeds the INT32_MAX.";
+    return nullptr;
+  }
+  auto shape = is_array ? std::vector<int>{static_cast<int>(data_size)} : std::vector<int>{};
+  auto dst_tensor = (is_array ? new (std::nothrow) Tensor(type_id, shape, mindspore::NHWC, Category::CONST_TENSOR)
+                              : new (std::nothrow) Tensor(type_id, shape, mindspore::NHWC, Category::CONST_SCALAR));
+  if (dst_tensor == nullptr) {
+    MS_LOG(ERROR) << "w a tensor failed.";
     return nullptr;
   }
   std::vector<uint8_t> uint8_data;
   uint8_data.resize(dst_tensor->Size());
   memcpy(uint8_data.data(), data, dst_tensor->Size());
-  auto shape = dst_tensor->shape();
   flatbuffers::FlatBufferBuilder fbb(1024);
   auto tensor_offset =
     schema::CreateTensorDirect(fbb, NodeType_ValueNode, type_id, &shape, schema::Format_NHWC, 0, 0, &uint8_data);
diff --git a/mindspore/lite/src/ops/compat/attr_transfer_common.h b/mindspore/lite/src/ops/compat/attr_transfer_common.h
index 2ba6cdc3cc2..c9040cd4c93 100644
--- a/mindspore/lite/src/ops/compat/attr_transfer_common.h
+++ b/mindspore/lite/src/ops/compat/attr_transfer_common.h
@@ -26,7 +26,7 @@
 
 namespace mindspore {
 namespace lite {
-schema::Tensor *AttrToTensor(const void *data, int data_size, bool is_array, TypeId type_id,
+schema::Tensor *AttrToTensor(const void *data, size_t data_size, bool is_array, TypeId type_id,
                              std::vector<char *> *const tensor_bufs);
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/src/runtime/infer_manager.cc b/mindspore/lite/src/runtime/infer_manager.cc
index 652bfcdf16c..01be12724e9 100644
--- a/mindspore/lite/src/runtime/infer_manager.cc
+++ b/mindspore/lite/src/runtime/infer_manager.cc
@@ -73,6 +73,9 @@ int KernelInferShape(const std::vector<lite::Tensor *> &inputs, const std::vecto
   auto ret =
     kernel_interface->Infer(&in_tensors, &out_tensors, static_cast<const schema::Primitive *>(primitive), kernel);
   if (ret == kLiteInferInvalid) {
+    for (auto output : outputs) {
+      output->set_shape({-1});
+    }
     return RET_INFER_INVALID;
   }
   if (ret != kSuccess) {
diff --git a/mindspore/lite/src/runtime/kernel/arm/int8/concat_int8.h b/mindspore/lite/src/runtime/kernel/arm/int8/concat_int8.h
index fb163cfa56d..79e88c12723 100644
--- a/mindspore/lite/src/runtime/kernel/arm/int8/concat_int8.h
+++ b/mindspore/lite/src/runtime/kernel/arm/int8/concat_int8.h
@@ -40,13 +40,13 @@ class ConcatInt8CPUKernel : public InnerKernel {
     if (output_shape != nullptr) {
       free(output_shape);
     }
-    for (std::size_t i = 0; i < in_tensors().size(); i++) {
-      int *input_shape = concat_param_->input_shapes_[i];
-      if (input_shape != nullptr) {
-        free(input_shape);
-      }
-    }
     if (concat_param_->input_shapes_ != nullptr) {
+      for (std::size_t i = 0; i < in_tensors().size(); i++) {
+        int *input_shape = concat_param_->input_shapes_[i];
+        if (input_shape != nullptr) {
+          free(input_shape);
+        }
+      }
       free(concat_param_->input_shapes_);
     }
     if (concat_param_->quant_arg_.in_args_ != nullptr) {