From 7e4e56931c33d25b8feb290ccddf6820b8747cff Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Thu, 2 Apr 2020 21:14:06 +0300
Subject: [PATCH] IPAL0054628: Medial Axis failure and NETGEN SIGSEGV

Prevent SIGSEGV
---
 src/NETGENPlugin/NETGENPlugin_Mesher.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
index d1b674f..c87731e 100644
--- a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
@@ -2483,7 +2483,8 @@ int NETGENPlugin_Mesher::FillSMesh(const netgen::OCCGeometry&          occgeo,
   // Create and insert nodes into nodeVec
   // -------------------------------------
 
-  nodeVec.resize( nbNod + 1 );
+  if ( nbNod > nbInitNod )
+    nodeVec.resize( nbNod + 1 );
   for ( i = nbInitNod+1; i <= nbNod; ++i )
   {
     const netgen::MeshPoint& ngPoint = ngMesh.Point(i);