Hi Herbert,
On Mon, Jan 25, 2016 at 12:07 PM, Herbert Xu
<[email protected]> wrote:
> Very good. Not only is it a waste, it's a gaping security hole
> because modifying the tfm from import will corrupt it.
>
> But this is not enough, you're still copying things like the mutex
> which should not be copied but instead should be reinitialised in
> import.
So import() will look like this?
static int sahara_sha_import(struct ahash_request *req, const void *in)
{
struct sahara_sha_reqctx *rctx = ahash_request_ctx(req);
mutex_init(&rctx->mutex);
memcpy(rctx, in, sizeof(struct sahara_sha_reqctx));
return 0;
}
Thanks
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