From 47d86e5d9e5b0b195a076ee320acd1a74a95e8fe Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Wed, 23 Nov 2022 16:20:12 -0800
Subject: [PATCH] Don't crash when canceling graphics import

Grouped graphics need to have their group removed from the preview
before deleting the elements to avoid reading freed memory when
redrawing
---
 pcbnew/tools/drawing_tool.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pcbnew/tools/drawing_tool.cpp b/pcbnew/tools/drawing_tool.cpp
index 011f008c59..dd9b4ac9d8 100644
--- a/pcbnew/tools/drawing_tool.cpp
+++ b/pcbnew/tools/drawing_tool.cpp
@@ -1602,6 +1602,12 @@ int DRAWING_TOOL::PlaceImportedGraphics( const TOOL_EVENT& aEvent )
         {
             m_toolMgr->RunAction( PCB_ACTIONS::selectionClear, true );
 
+            if( group )
+            {
+                preview.Remove( group );
+                group->RemoveAll();
+            }
+
             for( BOARD_ITEM* item : newItems )
                 delete item;