From b42b8dd546f7b68ac19214aa8a16b270e52c7657 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Mon, 2 Nov 2026 10:17:00 +0100
Subject: [PATCH] fix crash if record uses unknown field and has no device
 support

---
 modules/database/src/ioc/dbStatic/dbLexRoutines.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/database/src/ioc/dbStatic/dbLexRoutines.c b/modules/database/src/ioc/dbStatic/dbLexRoutines.c
index 29f1a9df9..a36358d44 100644
--- a/modules/database/src/ioc/dbStatic/dbLexRoutines.c
+++ b/modules/database/src/ioc/dbStatic/dbLexRoutines.c
@@ -1336,6 +1336,11 @@ static void dbRecordField(char *name,char *value)
                                 int nChoice;
                                 int choice;
 
+                                if (!temp.pflddes->ftPvt) {
+                                    /* no choices defined: unlikely */
+                                    status = S_stdlib_noConversion;
+                                    break;
+                                }
                                 if (temp.pflddes->field_type == DBF_MENU) {
                                     dbMenu* menu = (dbMenu*)temp.pflddes->ftPvt;
                                     choices = menu->papChoiceValue;