linux-kernel - [PATCH] crypto: replace kmalloc and then memcpy with kmemdup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 11 Mar 2013 12:48:10 +0200
From:	Mihnea Dobrescu-Balaur <mihneadb@...il.com>
To:	linux-crypto@...r.kernel.org
Cc:	herbert@...dor.apana.org.au, davem@...emloft.net,
	linus.walleij@...aro.org, andreas.westin@...ricsson.com,
	arnd@...db.de, rubini@...pv.it, linux-kernel@...r.kernel.org,
	Mihnea Dobrescu-Balaur <mihneadb@...il.com>
Subject: [PATCH] crypto: replace kmalloc and then memcpy with kmemdup

Signed-off-by: Mihnea Dobrescu-Balaur <mihneadb@...il.com>
---
 drivers/crypto/ux500/hash/hash_core.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 632c333..8d16d3a 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1368,14 +1368,12 @@ static int hash_setkey(struct crypto_ahash *tfm,
 	/**
 	 * Freed in final.
 	 */
-	ctx->key = kmalloc(keylen, GFP_KERNEL);
+	ctx->key = kmemdup(key, keylen, GFP_KERNEL);
 	if (!ctx->key) {
 		pr_err(DEV_DBG_NAME " [%s] Failed to allocate ctx->key "
 		       "for %d\n", __func__, alg);
 		return -ENOMEM;
 	}
-
-	memcpy(ctx->key, key, keylen);
 	ctx->keylen = keylen;
 
 	return ret;
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/