From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 7 Feb 2022 22:08:29 +0000 (+0000)
Subject: [Minor] Fix a corner case
X-Git-Tag: 3.2~65
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7bf24f093da9151b8b8887fd40b64a51d1116437;p=thirdparty%2Frspamd.git

[Minor] Fix a corner case
---

diff --git a/src/libutil/upstream.c b/src/libutil/upstream.c
index 37918dd48b..d22e71354a 100644
--- a/src/libutil/upstream.c
+++ b/src/libutil/upstream.c
@@ -664,7 +664,7 @@ rspamd_upstream_resolve_addrs (const struct upstream_list *ls,
 			char dns_name[253 + 1]; /* 253 == max dns name + \0 */
 			const char *semicolon_pos = strchr(upstream->name, ':');
 
-			if (semicolon_pos != NULL) {
+			if (semicolon_pos != NULL && semicolon_pos > upstream->name) {
 				if (sizeof (dns_name) > semicolon_pos - upstream->name) {
 					rspamd_strlcpy(dns_name, upstream->name, semicolon_pos - upstream->name);
 				}