From 78b47a89a827ca03a57899944a4a8119316896b6 Mon Sep 17 00:00:00 2001
From: Mark Puha <marko10@inf.elte.hu>
Date: Tue, 19 Sep 2023 16:20:40 +0200
Subject: [PATCH] fix out of range crash

---
 device/receive.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/device/receive.go b/device/receive.go
index 4384118..ca71539 100644
--- a/device/receive.go
+++ b/device/receive.go
@@ -141,10 +141,11 @@ func (device *Device) RoutineReceiveIncoming(
 					junkSize := msgTypeToJunkSize[assumedMsgType]
 					// transport size can align with other header types; 
 					// making sure we have the right msgType
-					msgType = binary.LittleEndian.Uint32(packet[junkSize:4])
+					msgType = binary.LittleEndian.Uint32(packet[junkSize:junkSize+4])
 					if msgType == assumedMsgType {
 						packet = packet[junkSize:]
 					} else {
+						device.log.Verbosef("Transport packet lined up with another msg type")
 						msgType = binary.LittleEndian.Uint32(packet[:4])
 					}
 				} else {