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SubjectRe: Crypto Fixes for 4.12
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From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 15 Jun 2017 17:42:10 +0800

> On Thu, Jun 15, 2017 at 06:04:44PM +0900, Linus Torvalds wrote:
>> There's a fair number of SHASH_DESC_ON_STACK users, are all the others
>> safe for some random reason that just happens to be about code
>> generation? Did people actually verify that?
>
> If I understand this correctly this is only an issue if you directly
> return a value from the shash_desc struct allocated on the stack.
> This is usually rare as normally you'd return an error code and the
> hash result would be written directly to some memory passed in from
> the caller.

Correct.

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