Re: [PATCH 0/6] Remove several VLAs in the crypto subsystem

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On Sat, Apr 7, 2018 at 11:38 AM, Salvatore Mesoraca
<s.mesoraca16@xxxxxxxxx> wrote:
> As suggested by Laura Abbott[2], I'm resending my patch with
> MAX_BLOCKSIZE and MAX_ALIGNMASK defined in an header, so they
> can be used in other places.
> I take this opportuinuty to deal with some other VLAs not
> handled in the old patch.
>
> [1] http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@xxxxxxxxxxxxxx
> [2] http://lkml.kernel.org/r/4e536889-439a-49e6-dd95-2d4286913202@xxxxxxxxxx
>
> Salvatore Mesoraca (6):
>   crypto: api - laying macros for statically allocated buffers
>   crypto: ctr - avoid VLA use
>   crypto: api - avoid VLA use
>   crypto: pcbc - avoid VLA use
>   crypto: cts - avoid VLA use
>   crypto: cfb - avoid VLA use
>
>  crypto/cfb.c      | 14 ++++++++++----
>  crypto/cipher.c   |  7 ++++++-
>  crypto/ctr.c      | 13 +++++++++++--
>  crypto/cts.c      |  8 ++++++--
>  crypto/internal.h |  8 ++++++++
>  crypto/pcbc.c     |  9 +++++++--
>  6 files changed, 48 insertions(+), 11 deletions(-)

These all look good to me! Thanks for the refactoring. :)

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

-- 
Kees Cook
Pixel Security



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