From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Tue, 12 Sep 2017 14:43:52 +0000 (-0400)
Subject: FIXED: Fix NULL dereference in abbreviation search
X-Git-Tag: 6.2.2^2~11
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fb447cfa43430da1a86eeda0a4b4975f066344a7;p=multimarkdown

FIXED: Fix NULL dereference in abbreviation search
---

diff --git a/Sources/libMultiMarkdown/writer.c b/Sources/libMultiMarkdown/writer.c
index ed0bbf7..e6d3673 100644
--- a/Sources/libMultiMarkdown/writer.c
+++ b/Sources/libMultiMarkdown/writer.c
@@ -1695,7 +1695,7 @@ void automatic_search_text(mmd_engine * e, token * t, trie * ac) {
 			token_split(tok, walker->start, walker->len, walker->match_type);
 
 			// Advance token to next token
-			while (tok->start < walker->start + walker->len) {
+			while (tok && (tok->start < walker->start + walker->len)) {
 				tok = tok->next;
 			}