Le Fri, Jun 10, 2022 at 09:27:15PM +0300, Alexey Khoroshilov a écrit :
> There is no i decrement in while (i >= 0) loop.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
> Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
> ---
> drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
> index 5bb950182026..910d6751644c 100644
> --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
> +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
> @@ -170,6 +170,7 @@ static int sun8i_ss_setup_ivs(struct skcipher_request *areq)
> while (i >= 0) {
> dma_unmap_single(ss->dev, rctx->p_iv[i], ivsize, DMA_TO_DEVICE);
> memzero_explicit(sf->iv[i], ivsize);
> + i--;
> }
> return err;
> }
> --
> 2.7.4
>
Acked-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
Tested-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
Thanks
