From 40f2e5e8c11cbb580ec37ac083b49b28a2663d35 Mon Sep 17 00:00:00 2001
From: Kitzunu <24550914+Kitzunu@users.noreply.github.com>
Date: Sun, 9 May 2021 11:33:01 +0200
Subject: [PATCH] fix(Core/LoadSmartAIFromDB): Prevent loading if entryorguid =
 0 (#5663)

Co-Authored-By: robinsch <8017650+robinsch@users.noreply.github.com>
---
 src/server/game/AI/SmartScripts/SmartScriptMgr.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index 126d13df3..8cca8d5bb 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -128,6 +128,12 @@ void SmartAIMgr::LoadSmartAIFromDB()
         SmartScriptHolder temp;
 
         temp.entryOrGuid = fields[0].GetInt32();
+        if (!temp.entryOrGuid)
+        {
+            LOG_ERROR("sql.sql", "SmartAIMgr::LoadSmartAIFromDB: invalid entryorguid (0), skipped loading.");
+            continue;
+        }
+
         SmartScriptType source_type = (SmartScriptType)fields[1].GetUInt8();
         if (source_type >= SMART_SCRIPT_TYPE_MAX)
         {