From: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
[ Upstream commit d61a7b3decf7f0cf4121a7204303deefd2c7151b ]
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")
Acked-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
Tested-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 7b3be3dc2210..d0954993e2e3 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
@@ -151,6 +151,7 @@ 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;
}
--
2.35.1
