Re: [PATCH v11 1/2] crypto: AF_ALG: add AEAD support

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On Wed, Jan 21, 2015 at 02:19:17AM +0100, Stephan Mueller wrote:
>
> +static void aead_data_wakeup(struct sock *sk)
> +{
> +	struct alg_sock *ask = alg_sk(sk);
> +	struct aead_ctx *ctx = ask->private;
> +	struct socket_wq *wq;
> +
> +	if (ctx->more)
> +		return;

You should also check for ctx->used here.  This can be called after
a zero-sized write.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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