File 0009-Fix-double-frees.patch of Package openssl

Overview Repositories Revisions Requests Users Attributes Meta

File 0009-Fix-double-frees.patch of Package openssl (Revision 2c319034517beffdfcdb449162b5a6ac)

Currently displaying revision 2c319034517beffdfcdb449162b5a6ac , Show latest

From 9c8dc84ac16a2f21063ae36809d202d0284ecf82 Mon Sep 17 00:00:00 2001
From: Ben Laurie <ben@links.org>
Date: Tue, 22 Apr 2014 13:11:56 +0100
Subject: [PATCH 09/17] Fix double frees.

---
 CHANGES                   | 3 ++-
 crypto/pkcs7/pk7_doit.c   | 1 +
 crypto/ts/ts_rsp_verify.c | 1 +
 ssl/d1_srvr.c             | 1 +
 4 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/crypto/pkcs7/pk7_doit.c b/crypto/pkcs7/pk7_doit.c
index 77fda3b..4c12a9d 100644
--- a/crypto/pkcs7/pk7_doit.c
+++ b/crypto/pkcs7/pk7_doit.c
@@ -928,6 +928,7 @@ int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si)
 	if (EVP_DigestSignUpdate(&mctx,abuf,alen) <= 0)
 		goto err;
 	OPENSSL_free(abuf);
+	abuf = NULL;
 	if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0)
 		goto err;
 	abuf = OPENSSL_malloc(siglen);
diff --git a/crypto/ts/ts_rsp_verify.c b/crypto/ts/ts_rsp_verify.c
index afe16af..b7d170a 100644
--- a/crypto/ts/ts_rsp_verify.c
+++ b/crypto/ts/ts_rsp_verify.c
@@ -629,6 +629,7 @@ static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
 	X509_ALGOR_free(*md_alg);
 	OPENSSL_free(*imprint);
 	*imprint_len = 0;
+	*imprint = NULL;
 	return 0;
 	}
 
diff --git a/ssl/d1_srvr.c b/ssl/d1_srvr.c
index 9975e20..1384ab0 100644
--- a/ssl/d1_srvr.c
+++ b/ssl/d1_srvr.c
@@ -1356,6 +1356,7 @@ int dtls1_send_server_key_exchange(SSL *s)
 			    (unsigned char *)encodedPoint, 
 			    encodedlen);
 			OPENSSL_free(encodedPoint);
+			encodedPoint = NULL;
 			p += encodedlen;
 			}
 #endif
-- 
1.8.4.5

Places

File 0009-Fix-double-frees.patch of Package openssl (Revision 2c319034517beffdfcdb449162b5a6ac)

Places