From 8adfa144094aadfe02a8e3c82d375ba600c60012 Mon Sep 17 00:00:00 2001
From: Apple <opensource@apple.com>
Date: Mon, 23 Sep 2019 17:46:08 +0000
Subject: [PATCH] libresolv-67.40.1.tar.gz

---
 ns_name.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ns_name.c b/ns_name.c
index 07b0739..1c24833 100644
--- a/ns_name.c
+++ b/ns_name.c
@@ -638,7 +638,7 @@ ns_name_skip(const u_char **ptrptr, const u_char *eom)
 {
 	const u_char *cp;
 	u_int n;
-	int l;
+	int l = 0;
 
 	cp = *ptrptr;
 	while (cp < eom && (n = *cp++) != 0) {
@@ -648,7 +648,7 @@ ns_name_skip(const u_char **ptrptr, const u_char *eom)
 			cp += n;
 			continue;
 		case NS_TYPE_ELT: /* EDNS0 extended label */
-			if ((l = labellen(cp - 1)) < 0) {
+			if (cp < eom && (l = labellen(cp - 1)) < 0) {
 				errno = EMSGSIZE; /* XXX */
 				return(-1);
 			}
-- 
2.45.2