From 6139d67f405efbc26673d88a9afbae21a41ead5a Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Mon, 17 Sep 2018 07:43:05 +0300
Subject: [PATCH] Issue #2645: SIGSEGV when creating a fillet

Fix crash in fillet on pre-selected parameter feature.
---
 src/FeaturesPlugin/FeaturesPlugin_Validators.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp b/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
index e28008720..b991e38f0 100644
--- a/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
+++ b/src/FeaturesPlugin/FeaturesPlugin_Validators.cpp
@@ -716,6 +716,11 @@ bool FeaturesPlugin_ValidatorFilletSelection::isValid(const AttributePtr& theAtt
     ResultBodyPtr aContextOwner = ModelAPI_Tools::bodyOwner(aContext);
     GeomShapePtr anOwner = aContextOwner.get() ? aContextOwner->shape() : aContext->shape();
 
+    if (!anOwner) {
+      theError = "Error: wrong feature is selected.";
+      return false;
+    }
+
     if (anOwner->shapeType() != GeomAPI_Shape::SOLID &&
         anOwner->shapeType() != GeomAPI_Shape::COMPSOLID) {
       theError = "Error: Not all selected shapes are sub-shapes of solids.";
-- 
2.39.2