Messages in this thread Patch in this message | | | From | Naveen Krishna Chatradhi <> | Subject | [PATCH 7/8 v4] crypto:s5p-sss: validate iv before memcpy | Date | Wed, 15 Jan 2014 14:47:27 +0530 |
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This patch adds code to validate "iv" buffer before trying to memcpy the contents
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> --- Changes since v3: 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 69130b2..f7c66c7 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
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