From cc04882b172c76ff4b1216ae97030df6c7c8f457 Mon Sep 17 00:00:00 2001
From: Adrien Prost-Boucle <adrien.prost-boucle@univ-grenoble-alpes.fr>
Date: Tue, 1 Oct 2024 10:04:49 +0200
Subject: [PATCH] BaseCtx : Fix crash in getNetByAlias()

---
 common/kernel/basectx.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/kernel/basectx.h b/common/kernel/basectx.h
index c8791a2b..7ff18228 100644
--- a/common/kernel/basectx.h
+++ b/common/kernel/basectx.h
@@ -213,7 +213,9 @@ struct BaseCtx
 
     NetInfo *getNetByAlias(IdString alias) const
     {
-        return nets.count(alias) ? nets.at(alias).get() : nets.at(net_aliases.at(alias)).get();
+        if(nets.count(alias) > 0) return nets.at(alias).get();
+        if(net_aliases.count(alias) == 0) return nullptr;
+        return nets.at(net_aliases.at(alias)).get();
     }
 
     // Intended to simplify Python API