From: Ulrich Drepper <drepper@redhat.com>
Date: Sun, 21 Dec 1997 21:19:24 +0000 (+0000)
Subject: (res_querydomain): Avoid potential buffer overrun.
X-Git-Tag: cvs/glibc-2_0_6pre5~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=355fca3b07162e7fdf25636a26432dcb538dfd29;p=thirdparty%2Fglibc.git

(res_querydomain): Avoid potential buffer overrun.
---

diff --git a/resolv/res_query.c b/resolv/res_query.c
index 545e009e8df..28ac3828c2e 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -321,7 +321,7 @@ res_querydomain(name, domain, class, type, answer, anslen)
 	u_char *answer;		/* buffer to put answer */
 	int anslen;		/* size of answer */
 {
-	char nbuf[MAXDNAME];
+	char nbuf[MAXDNAME * 2 + 2];
 	const char *longname = nbuf;
 	int n;