From e48cdb48aca1fcd7cbf5dae518572b1f323e4be4 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Tue, 18 Feb 2020 17:45:12 +0100
Subject: [PATCH] dbGet should not crash when source is an empty array

---
 src/ioc/db/dbAccess.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ioc/db/dbAccess.c b/src/ioc/db/dbAccess.c
index 4ee2d677d..a8ff3f137 100644
--- a/src/ioc/db/dbAccess.c
+++ b/src/ioc/db/dbAccess.c
@@ -898,6 +898,11 @@ long dbGet(DBADDR *paddr, short dbrType,
         } else {
             DBADDR localAddr = *paddr; /* Structure copy */
 
+            if (pfl->no_elements < 1) {
+                status = S_db_badField;
+                goto done;
+            }
+
             localAddr.field_type = pfl->field_type;
             localAddr.field_size = pfl->field_size;
             localAddr.no_elements = pfl->no_elements;