From 901c3304785e260dd5b3514ca6e7326bd289935a Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Wed, 2 Mar 2022 09:20:26 -0800
Subject: [PATCH] Update end item before moving on track/via change

The move even dereferences m_enditem for logging and perhaps other
actions.  We need to ensure that the end item has not been invalidated
before taking this action

Fixes https://gitlab.com/kicad/code/kicad/issues/10732
---
 pcbnew/router/router_tool.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pcbnew/router/router_tool.cpp b/pcbnew/router/router_tool.cpp
index 68fc756569..808ef13be6 100644
--- a/pcbnew/router/router_tool.cpp
+++ b/pcbnew/router/router_tool.cpp
@@ -2063,6 +2063,8 @@ int ROUTER_TOOL::onTrackViaSizeChanged( const TOOL_EVENT& aEvent )
 
     // Changing the track width can affect the placement, so call the
     // move routine without changing the destination
+    // Update end item first to avoid moving to an invalid/missing item
+    updateEndItem( aEvent );
     m_router->Move( m_endSnapPoint, m_endItem );
 
     UpdateMessagePanel();