From 472cb05f0690cdf6ae8ca6adfd8bf3d1f3ce5b71 Mon Sep 17 00:00:00 2001
From: Nick Bolton <nick@symless.com>
Date: Mon, 29 Jul 2024 23:42:30 +0100
Subject: [PATCH] Add assert for code scan alert 550

---
 src/gui/src/ScreenSetupModel.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gui/src/ScreenSetupModel.cpp b/src/gui/src/ScreenSetupModel.cpp
index 73a6794b7d..6a4830351a 100644
--- a/src/gui/src/ScreenSetupModel.cpp
+++ b/src/gui/src/ScreenSetupModel.cpp
@@ -30,6 +30,11 @@ ScreenSetupModel::ScreenSetupModel(
       m_Screens(screens),
       m_NumColumns(numColumns),
       m_NumRows(numRows) {
+
+  // bound rows and columns to prevent multiply overflow.
+  // this is unlikely to happen, as the grid size is only 3x9.
+  assert(m_NumColumns < 100 && m_NumRows < 100);
+
   if (m_NumColumns * m_NumRows > screens.size())
     qFatal(
         "Not enough elements (%lld) in screens QList for %d columns and %d "