Commit d61a7b3d authored by Alexey Khoroshilov's avatar Alexey Khoroshilov Committed by Herbert Xu
Browse files

crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs() 



There is no i decrement in while (i >= 0) loop.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: default avatarAlexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 359e893e ("crypto: sun8i-ss - rework handling of IV")
Acked-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d64de977

drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}