From a4a57832d53beeada737eec4cebc5e586438cac8 Mon Sep 17 00:00:00 2001
From: Thomas Kunze <tkunze@Immerlund>
Date: Sun, 30 Jun 2019 00:31:31 +0200
Subject: [PATCH] fix segfault

---
 knxPython/knxmodule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/knxPython/knxmodule.cpp b/knxPython/knxmodule.cpp
index 4322bac..a0db49e 100644
--- a/knxPython/knxmodule.cpp
+++ b/knxPython/knxmodule.cpp
@@ -153,7 +153,7 @@ PYBIND11_MODULE(knx, m)
 	});
     m.def("GetGroupObject", [](uint16_t goNr) 
 	{
-		if(!bau)
+		if(!bau || goNr > bau->groupObjectTable().entryCount())
 			return (GroupObject*)nullptr;
 
 		return &bau->groupObjectTable().get(goNr);