From 831e0f7d1b5cdbce69cb5f722888a63117b730c6 Mon Sep 17 00:00:00 2001
From: AdenKoperczak <awkoperczak@gmail.com>
Date: Wed, 27 Nov 2024 12:05:04 -0500
Subject: [PATCH] Add check to optional value to avoid undefined behavior in
 MarkerModel

---
 scwx-qt/source/scwx/qt/model/marker_model.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scwx-qt/source/scwx/qt/model/marker_model.cpp b/scwx-qt/source/scwx/qt/model/marker_model.cpp
index 9bd057ea..e550312e 100644
--- a/scwx-qt/source/scwx/qt/model/marker_model.cpp
+++ b/scwx-qt/source/scwx/qt/model/marker_model.cpp
@@ -294,6 +294,10 @@ void MarkerModel::HandleMarkersInitialized(size_t count)
 void MarkerModel::HandleMarkerAdded(types::MarkerId id)
 {
    std::optional<size_t> index = p->markerManager_->get_index(id);
+   if (!index)
+   {
+      return;
+   }
    const int newIndex = static_cast<int>(*index);
 
    beginInsertRows(QModelIndex(), newIndex, newIndex);