On Wed, Aug 12, 2020 at 11:22:32AM +0200, Ondrej Mosnacek wrote:
> This new member of struct af_alg_ctx was not being initialized before
> use, leading to random errors. Found via libkcapi testsuite.
>
> Cc: Stephan Mueller <smueller@xxxxxxxxxx>
> Fixes: f3c802a1f300 ("crypto: algif_aead - Only wake up when ctx->more is zero")
> Signed-off-by: Ondrej Mosnacek <omosnace@xxxxxxxxxx>
> ---
> crypto/algif_aead.c | 1 +
> crypto/algif_skcipher.c | 1 +
> 2 files changed, 2 insertions(+)
Thanks for the patch.
> diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
> index d48d2156e6210..9b5bd0ff3c47d 100644
> --- a/crypto/algif_aead.c
> +++ b/crypto/algif_aead.c
> @@ -563,6 +563,7 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk)
> ctx->more = 0;
> ctx->merge = 0;
> ctx->enc = 0;
> + ctx->init = 0;
> ctx->aead_assoclen = 0;
> crypto_init_wait(&ctx->wait);
This isn't necessary because there is a memset on ctx already.
> diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
> index a51ba22fef58f..0de035b991943 100644
> --- a/crypto/algif_skcipher.c
> +++ b/crypto/algif_skcipher.c
> @@ -350,6 +350,7 @@ static int skcipher_accept_parent_nokey(void *private, struct sock *sk)
> ctx->more = 0;
> ctx->merge = 0;
> ctx->enc = 0;
> + ctx->init = 0;
> crypto_init_wait(&ctx->wait);
We should add a memset here for skcipher and get rid of these
zero assignments.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
