This patch adds code to validate "iv" buffer before trying to memcpy the contents
Signed-off-by: Naveen Krishna Chatradhi <ch.nav...@samsung.com> Reviewed-by: Tomasz Figa <t.f...@samsung.com> Acked-by: Herbert Xu <herb...@gondor.apana.org.au> CC: David S. Miller <da...@davemloft.net> CC: Vladimir Zapolskiy <vzapols...@gmail.com> TO: <linux-cry...@vger.kernel.org> CC: <linux-samsung-...@vger.kernel.org> --- Changes since v7: Added Acked-by from Herbert Xu Changes since v6: None drivers/crypto/s5p-sss.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 37e0598..0ffc042 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -380,7 +380,8 @@ static void s5p_set_aes(struct s5p_aes_dev *dev, { void __iomem *keystart; - memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA(0), iv, 0x10); + if (iv) + memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA(0), iv, 0x10); if (keylen == AES_KEYSIZE_256) keystart = dev->aes_ioaddr + SSS_REG_AES_KEY_DATA(0); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/