community/security/cve_patch/mssa-2021-004.patch

From e0cbe113745a38be7b3afa0dff63a819e4490005 Mon Sep 17 00:00:00 2001
From: lzk <liuzhongkai2@huawei.com>
Date: Fri, 21 May 2021 01:11:07 -0700
Subject: [PATCH] div 0 bug fix

---
 .../lite/tools/converter/parser/tflite/tflite_conv_parser.cc  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
index 3e552883af..c2aac03799 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
@@ -111,6 +111,10 @@ ops::PrimitiveC *TfliteDepthwiseConv2DParser::Parse(const std::unique_ptr<tflite
   auto weight_shape = weight_tensor->shape;
   prim->set_kernel_size({weight_shape[1], weight_shape[2]});
   prim->set_in_channel(weight_shape[3]);
+  if (tflite_attr->depth_multiplier == 0) {
+    MS_LOG(ERROR) << "depth_multiplier must not be zero!";
+    return nullptr;
+  }
   prim->set_group(weight_shape[3] / tflite_attr->depth_multiplier);
 
   // get data tensor
-- 
2.17.1