From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Eric Biggers <ebiggers@google.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Sasha Levin <sashal@kernel.org>,
linux-crypto@vger.kernel.org
Subject: [PATCH AUTOSEL 4.9 042/251] crypto: tgr192 - fix unaligned memory access
Date: Thu, 16 Jan 2020 12:33:11 -0500 [thread overview]
Message-ID: <20200116173641.22137-2-sashal@kernel.org> (raw)
In-Reply-To: <20200116173641.22137-1-sashal@kernel.org>
From: Eric Biggers <ebiggers@google.com>
[ Upstream commit f990f7fb58ac8ac9a43316f09a48cff1a49dda42 ]
Fix an unaligned memory access in tgr192_transform() by using the
unaligned access helpers.
Fixes: 06ace7a9bafe ("[CRYPTO] Use standard byte order macros wherever possible")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
crypto/tgr192.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/crypto/tgr192.c b/crypto/tgr192.c
index 321bc6ff2a9d..904c8444aa0a 100644
--- a/crypto/tgr192.c
+++ b/crypto/tgr192.c
@@ -25,8 +25,9 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <asm/byteorder.h>
#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#define TGR192_DIGEST_SIZE 24
#define TGR160_DIGEST_SIZE 20
@@ -468,10 +469,9 @@ static void tgr192_transform(struct tgr192_ctx *tctx, const u8 * data)
u64 a, b, c, aa, bb, cc;
u64 x[8];
int i;
- const __le64 *ptr = (const __le64 *)data;
for (i = 0; i < 8; i++)
- x[i] = le64_to_cpu(ptr[i]);
+ x[i] = get_unaligned_le64(data + i * sizeof(__le64));
/* save */
a = aa = tctx->a;
--
2.20.1
next parent reply other threads:[~2020-01-16 17:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200116173641.22137-1-sashal@kernel.org>
2020-01-16 17:33 ` Sasha Levin [this message]
2020-01-16 17:33 ` [PATCH AUTOSEL 4.9 049/251] crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments Sasha Levin
2020-01-16 17:34 ` [PATCH AUTOSEL 4.9 145/251] crypto: ccp - fix AES CFB error exposed by new test vectors Sasha Levin
2020-01-16 17:35 ` [PATCH AUTOSEL 4.9 178/251] crypto: caam - free resources in case caam_rng registration failed Sasha Levin
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