Commit 8f9702aa authored May 08, 2014 by Naveen Krishna Chatradhi Committed by Herbert Xu May 08, 2014

crypto: s5p-sss - validate iv before memcpy



This patch adds code to validate "iv" buffer before trying to
memcpy the contents

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
CC: David S. Miller <davem@davemloft.net>
CC: <linux-samsung-soc@vger.kernel.org>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent e922e96f

drivers/crypto/s5p-sss.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -380,6 +380,7 @@ static void s5p_set_aes(struct s5p_aes_dev *dev,
		{
		void __iomem *keystart;

		if (iv)
		memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA(0), iv, 0x10);

		if (keylen == AES_KEYSIZE_256)