From: Istvan Noszticzius <istvan.noszticzius@oracle.com>
Date: Fri, 15 Aug 2014 15:43:28 +0000 (+0100)
Subject: Fix use after free bug.
X-Git-Tag: OpenSSL_1_0_2-beta3~106
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=beeb0fa7bede3f9d1552c86d81a038ae5b5fb9f9;p=oweals%2Fopenssl.git

Fix use after free bug.

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 5afa57fb7b17aa51cfba1ffa94e900fc7a5f0e04)
---

diff --git a/crypto/x509v3/v3_utl.c b/crypto/x509v3/v3_utl.c
index 75efd9912a..10a7aa876a 100644
--- a/crypto/x509v3/v3_utl.c
+++ b/crypto/x509v3/v3_utl.c
@@ -879,9 +879,9 @@ static int do_check_string(ASN1_STRING *a, int cmp_type, equal_fn equal,
 		if (astrlen < 0)
 			return -1;
 		rv = equal(astr, astrlen, (unsigned char *)b, blen, flags);
-		OPENSSL_free(astr);
 		if (rv > 0 && peername)
 			*peername = BUF_strndup((char *)astr, astrlen);
+		OPENSSL_free(astr);
 		}
 	return rv;
 	}