From 65bdf2a0d160d06556415e5f396a75f6b11bad5c Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kkosako0@gmail.com>
Date: Sun, 21 Aug 2016 17:42:18 +0900
Subject: [PATCH] fix out of bounds read in mbc_to_code() #16

---
 src/utf8.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utf8.c b/src/utf8.c
index b78e7eb..f82bcc2 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -98,7 +98,7 @@ mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
 
   len = enclen(ONIG_ENCODING_UTF8, p);
   c = *p++;
-  if (len > 1) {
+  if (len > 1 && p < end) {
     len--;
     n = c & ((1 << (6 - len)) - 1);
     while (len--) {
-- 
2.40.0