From 8122d4d2480164ce6367fc565b17337c4d2271bb Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Wed, 28 Nov 2018 10:53:16 +0300
Subject: [PATCH] Potential fix for the issue #2752 : ASAN : extrusion cut
 crash .

---
 src/FeaturesPlugin/FeaturesPlugin_Validators.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp b/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
index ccb43b406..bc2f92a4d 100644
--- a/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
+++ b/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
@@ -555,7 +555,8 @@ bool FeaturesPlugin_ValidatorExtrusionDir::isValid(
     }
   }
 
-  if(!aDirShape.get()) {
+  if(!aDirShape.get() || aDirShape->isNull() ||
+     aDirShape->shapeType() != GeomAPI_Shape::EDGE) {
     // Check that dir can be empty.
     if(!isShapesCanBeEmpty(aCheckAttribute, theError)) {
       theError = "Error: Base objects list contains vertex or edge, so attribute \"%1\" "
-- 
2.39.2