From a73be798ced572a988d455d961a2387f6eccb549 Mon Sep 17 00:00:00 2001
From: Kurt Roeckx <kurt@roeckx.be>
Date: Sat, 6 Aug 2016 19:16:00 +0200
Subject: [PATCH] Fix off by 1 in ASN1_STRING_set()

Reviewed-by: Rich Salz <rsalz@openssl.org>

MR: #3176
---
 crypto/asn1/asn1_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/asn1/asn1_lib.c b/crypto/asn1/asn1_lib.c
index f2f07ac2d5..9dfe395399 100644
--- a/crypto/asn1/asn1_lib.c
+++ b/crypto/asn1/asn1_lib.c
@@ -271,7 +271,7 @@ int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)
         else
             len = strlen(data);
     }
-    if ((str->length < len) || (str->data == NULL)) {
+    if ((str->length <= len) || (str->data == NULL)) {
         c = str->data;
         str->data = OPENSSL_realloc(c, len + 1);
         if (str->data == NULL) {
-- 
2.25.1