From a6b3eb58bd42e31062fb13c77129837cb7e4ecb1 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Fri, 10 Nov 2023 08:46:39 -0800
Subject: [PATCH] add missing check on invalid Union[] selector

---
 src/dataencode.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dataencode.cpp b/src/dataencode.cpp
index 0a302c2..06a22d9 100644
--- a/src/dataencode.cpp
+++ b/src/dataencode.cpp
@@ -532,6 +532,9 @@ void from_wire_field(Buffer& buf, TypeStore& ctxt,  const FieldDesc* desc, const
 
                 from_wire_full(buf, ctxt, fld);
                 return;
+
+            } else { // invalid selection
+                buf.fault(__FILE__, __LINE__);
             }
         }
             break;