Re: Bug of dm-crypt?

Herbert Xu
2009-02-27T05:42:10Z

On Fri, Feb 27, 2009 at 01:31:56PM +0800, Huang Ying wrote:
> Hi, Herbert,
>
> I had ever heard from you that the only thing guaranteed in the
> completion function of async ablkcipher cryption is the req->data has
> the value you set before. The request pointer itself may be changed. But
> in dm-crypt, I found they rely on request pointer in completion
> function: kcryptd_async_done. This makes my AES-NI cryptd usage panic.
>
> Do you think that is a bug?

Absolutely.

It should use cc->req instead.

Thanks,
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