From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 7 Jun 2018 10:29:28 +0000 (+0100)
Subject: [Minor] Do not read out of the bounds
X-Git-Tag: 1.7.6~46
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=22fa0421cdaed8bf4e151777fd8fc1c09487fa44;p=rspamd.git

[Minor] Do not read out of the bounds
---

diff --git a/src/libutil/str_util.c b/src/libutil/str_util.c
index 7c2a545c0..026e331fe 100644
--- a/src/libutil/str_util.c
+++ b/src/libutil/str_util.c
@@ -1261,7 +1261,7 @@ rspamd_substring_preprocess_kmp (const gchar *pat, gsize len, goffset *fsm,
 		i++;
 		j++;
 
-		if (f(pat[i], pat[j])) {
+		if (i < len && j < len && f(pat[i], pat[j])) {
 			fsm[i] = fsm[j];
 		}
 		else {