Re: [PATCH v6 3/3] crypto: Add Mediatek EIP-93 crypto engine support

From: Herbert Xu
Date: Sat Nov 09 2024 - 22:47:02 EST


On Sat, Nov 02, 2024 at 06:50:35PM +0100, Christian Marangi wrote:
>
> +static int eip93_hash_import(struct ahash_request *req, const void *in)
> +{
> + struct eip93_hash_reqctx *rctx = ahash_request_ctx(req);
> + const struct eip93_hash_export_state *state = in;
> + int ret;
> +
> + ret = _eip93_hash_init(req, state->sa_state, state->sa_state_base);

You cannot export/import any kernel pointers. The state is meant
to be a serialised version of the hash state.

So state->sa_state_base has got to go.

Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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