Re: [PATCH 2/2] crypto: skcipher: Remove VLA usage for SKCIPHER_REQUEST_ON_STACK

From: Herbert Xu
Date: Thu Sep 06 2018 - 04:51:27 EST


On Thu, Sep 06, 2018 at 10:11:59AM +0200, Ard Biesheuvel wrote:
>
> That way, we will almost certainly oops on a NULL pointer dereference
> right after, but we at least the stack corruption.

A crash is just as bad as a BUG_ON.

Is this even a real problem? Do we have any users of this construct
that is using it on async algorithms?

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