crypto: nx - Fix memcpy() over-reading in nonce

Fix typo in memcpy() where size should be CTR_RFC3686_NONCE_SIZE.

Fixes: 030f4e968741 ("crypto: nx - Fix reentrancy bugs")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c
index 13f518802343d40f3345f293dfbd31b79ddd43b6..6120e350ff71d12e28e32f47eae18077d60446d2 100644 (file)
--- a/drivers/crypto/nx/nx-aes-ctr.c
+++ b/drivers/crypto/nx/nx-aes-ctr.c
@@ -118,7 +118,7 @@ static int ctr3686_aes_nx_crypt(struct skcipher_request *req)
        struct nx_crypto_ctx *nx_ctx = crypto_skcipher_ctx(tfm);
        u8 iv[16];
 
-       memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE);
+       memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_NONCE_SIZE);
        memcpy(iv + CTR_RFC3686_NONCE_SIZE, req->iv, CTR_RFC3686_IV_SIZE);
        iv[12] = iv[13] = iv[14] = 0;
        iv[15] = 1;