linux-kernel - [PATCH 4.1 19/46] crypto: sparc

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Date:	Fri, 23 Oct 2015 10:46:05 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Dave Kleikamp <dave.kleikamp@...cle.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH 4.1 19/46] crypto: sparc - initialize blkcipher.ivsize

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dave Kleikamp <dave.kleikamp@...cle.com>

commit a66d7f724a96d6fd279bfbd2ee488def6b081bea upstream.

Some of the crypto algorithms write to the initialization vector,
but no space has been allocated for it. This clobbers adjacent memory.

Signed-off-by: Dave Kleikamp <dave.kleikamp@...cle.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/sparc/crypto/aes_glue.c      |    2 ++
 arch/sparc/crypto/camellia_glue.c |    1 +
 arch/sparc/crypto/des_glue.c      |    2 ++
 3 files changed, 5 insertions(+)

--- a/arch/sparc/crypto/aes_glue.c
+++ b/arch/sparc/crypto/aes_glue.c
@@ -433,6 +433,7 @@ static struct crypto_alg algs[] = { {
 		.blkcipher = {
 			.min_keysize	= AES_MIN_KEY_SIZE,
 			.max_keysize	= AES_MAX_KEY_SIZE,
+			.ivsize		= AES_BLOCK_SIZE,
 			.setkey		= aes_set_key,
 			.encrypt	= cbc_encrypt,
 			.decrypt	= cbc_decrypt,
@@ -452,6 +453,7 @@ static struct crypto_alg algs[] = { {
 		.blkcipher = {
 			.min_keysize	= AES_MIN_KEY_SIZE,
 			.max_keysize	= AES_MAX_KEY_SIZE,
+			.ivsize		= AES_BLOCK_SIZE,
 			.setkey		= aes_set_key,
 			.encrypt	= ctr_crypt,
 			.decrypt	= ctr_crypt,
--- a/arch/sparc/crypto/camellia_glue.c
+++ b/arch/sparc/crypto/camellia_glue.c
@@ -274,6 +274,7 @@ static struct crypto_alg algs[] = { {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
+			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= camellia_set_key,
 			.encrypt	= cbc_encrypt,
 			.decrypt	= cbc_decrypt,
--- a/arch/sparc/crypto/des_glue.c
+++ b/arch/sparc/crypto/des_glue.c
@@ -429,6 +429,7 @@ static struct crypto_alg algs[] = { {
 		.blkcipher = {
 			.min_keysize	= DES_KEY_SIZE,
 			.max_keysize	= DES_KEY_SIZE,
+			.ivsize		= DES_BLOCK_SIZE,
 			.setkey		= des_set_key,
 			.encrypt	= cbc_encrypt,
 			.decrypt	= cbc_decrypt,
@@ -485,6 +486,7 @@ static struct crypto_alg algs[] = { {
 		.blkcipher = {
 			.min_keysize	= DES3_EDE_KEY_SIZE,
 			.max_keysize	= DES3_EDE_KEY_SIZE,
+			.ivsize		= DES3_EDE_BLOCK_SIZE,
 			.setkey		= des3_ede_set_key,
 			.encrypt	= cbc3_encrypt,
 			.decrypt	= cbc3_decrypt,


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