Re: [kernel-hardening] [PATCH v3 1/3] x86/fpu: don't let userspace set bogus xcomp_bv

From: Rik van Riel
Date: Thu Sep 21 2017 - 15:59:29 EST

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On Thu, 2017-09-21 at 11:52 -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> Fix the bug by checking that the user-supplied value of xcomp_bv is 0
> in
> the uncompacted case, and returning an error otherwise.
>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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