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Date: Sun, 07 Jul 2019 17:54:17 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
"Eric Biggers" <ebiggers@...gle.com>,
"Herbert Xu" <herbert@...dor.apana.org.au>
Subject: [PATCH 3.16 030/129] crypto: tgr192 - fix unaligned memory access
3.16.70-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Eric Biggers <ebiggers@...gle.com>
commit f990f7fb58ac8ac9a43316f09a48cff1a49dda42 upstream.
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@...gle.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
crypto/tgr192.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- 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 tgr1
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;
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