From: Vsevolod Stakhov <vsevolod@rambler-co.ru>
Date: Thu, 14 Jul 2011 15:47:56 +0000 (+0400)
Subject: Fix coredump on messages with one url only.
X-Git-Tag: 0.4.0~19
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=eb37f21a76f9e30e06bf1c80b2b20d05820a9f93;p=rspamd.git

Fix coredump on messages with one url only.
---

diff --git a/src/fuzzy.c b/src/fuzzy.c
index 2639d68a7..21ac1eef9 100644
--- a/src/fuzzy.c
+++ b/src/fuzzy.c
@@ -371,7 +371,7 @@ fuzzy_init_part (struct mime_text_part *part, memory_pool_t *pool, gsize max_dif
 		}
 	}
 
-	write_diff = real_len < max_diff;
+	write_diff = real_len > 0 && real_len < max_diff;
 
 	if (write_diff) {
 		part->diff_str = fstralloc (pool, real_len);