From bb01edff0377f2585ce304ecbadcb7b6cde372ac Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Mon, 25 Jan 2016 21:11:34 +0100
Subject: [PATCH] Make sure to always terminate decoded string

Write a terminating '\0' to dest when the first byte of the encoded data
is 0. This corner case was previously missed.

Signed-off-by: Daniel Fahlgren <daniel@fahlgren.se>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>

Upstream-Status: Backport
http://repo.or.cz/uclibc-ng.git/commit/bb01edff0377f2585ce304ecbadcb7b6cde372ac
CVE: CVE-2016-2225
Signed-off-by: Armin Kuster <akuster@mvista.com>

---
 libc/inet/resolv.c | 1 +
 1 file changed, 1 insertion(+)

Index: git/libc/inet/resolv.c
===================================================================
--- git.orig/libc/inet/resolv.c
+++ git/libc/inet/resolv.c
@@ -671,6 +671,7 @@ int __decode_dotted(const unsigned char
 	if (!packet)
 		return -1;
 
+	dest[0] = '\0';
 	while (--maxiter) {
 		if (offset >= packet_len)
 			return -1;