From a17e9ee8dbcff365de7b8897ec27ebc00df68247 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Magnus=20Aagaard=20S=C3=B8rensen?= <mas@csselectronics.com>
Date: Mon, 21 Feb 2022 08:23:46 +0100
Subject: [PATCH] Limit the comparison to 8 bytes or the length of the CAN
 frame, whatever is shorter, to avoid negative bitshifts

---
 canframemodel.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/canframemodel.cpp b/canframemodel.cpp
index e053044..80aeaaa 100644
--- a/canframemodel.cpp
+++ b/canframemodel.cpp
@@ -252,7 +252,7 @@ uint64_t CANFrameModel::getCANFrameVal(int row, Column col)
         return static_cast<uint64_t>(frame.payload().length());
     case Column::ASCII: //sort both the same for now
     case Column::Data:
-        for (int i = 0; i < frame.payload().length(); i++) temp += (static_cast<uint64_t>(frame.payload()[i]) << (56 - (8 * i)));
+        for (int i = 0; i < std::min(frame.payload().length(), 8); i++) temp += (static_cast<uint64_t>(frame.payload()[i]) << (56 - (8 * i)));
         //qDebug() << temp;
         return temp;
     case Column::NUM_COLUMN: