* [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs()
@ 2022-06-10 18:27 Alexey Khoroshilov
2022-06-11 9:25 ` Corentin Labbe
2022-06-17 9:25 ` Herbert Xu
0 siblings, 2 replies; 3+ messages in thread
From: Alexey Khoroshilov @ 2022-06-10 18:27 UTC (permalink / raw)
To: Corentin Labbe
Cc: Alexey Khoroshilov, Herbert Xu, David S. Miller, linux-crypto,
linux-sunxi, linux-kernel, ldv-project
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@ispras.ru>
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs()
2022-06-10 18:27 [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs() Alexey Khoroshilov
@ 2022-06-11 9:25 ` Corentin Labbe
2022-06-17 9:25 ` Herbert Xu
1 sibling, 0 replies; 3+ messages in thread
From: Corentin Labbe @ 2022-06-11 9:25 UTC (permalink / raw)
To: Alexey Khoroshilov
Cc: Herbert Xu, David S. Miller, linux-crypto, linux-sunxi,
linux-kernel, ldv-project
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@ispras.ru>
> 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@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs()
2022-06-10 18:27 [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs() Alexey Khoroshilov
2022-06-11 9:25 ` Corentin Labbe
@ 2022-06-17 9:25 ` Herbert Xu
1 sibling, 0 replies; 3+ messages in thread
From: Herbert Xu @ 2022-06-17 9:25 UTC (permalink / raw)
To: Alexey Khoroshilov
Cc: Corentin Labbe, David S. Miller, linux-crypto, linux-sunxi,
linux-kernel, ldv-project
On Fri, Jun 10, 2022 at 09:27:15PM +0300, Alexey Khoroshilov wrote:
> 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@ispras.ru>
> Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
> ---
> drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 1 +
> 1 file changed, 1 insertion(+)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-06-10 18:27 [PATCH] crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs() Alexey Khoroshilov
2022-06-11 9:25 ` Corentin Labbe
2022-06-17 9:25 ` Herbert Xu
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