From 3103d0192c6982ffca3bf8672c82b3e5318aa5d9 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 13 Feb 2017 14:34:12 +0000
Subject: [PATCH] [Minor] Fix corner cases in non-ascii characters counter

---
 src/lua/lua_util.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lua/lua_util.c b/src/lua/lua_util.c
index 669ac5bd9..5bd59a32d 100644
--- a/src/lua/lua_util.c
+++ b/src/lua/lua_util.c
@@ -1904,6 +1904,10 @@ lua_util_count_non_ascii (lua_State *L)
 				ret ++;
 				total ++;
 
+				if (np == NULL) {
+					break;
+				}
+
 				p = (np != p) ? np : p + 1;
 
 				continue;
-- 
2.39.5