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

From: Salvatore Mesoraca
Date: Sun Apr 08 2018 - 04:55:39 EST


2018-04-07 21:56 GMT+02:00 Kees Cook <keescook@xxxxxxxxxxxx>:
> 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>

Thank you!

Salvatore