linux-kernel - Re: Build error in crypto/marvell/cesa/cipher.c

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Message-ID: <202306282051.51D98294F@keescook>
Date:   Wed, 28 Jun 2023 20:53:26 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Boris Brezillon <bbrezillon@...nel.org>,
        Arnaud Ebalard <arno@...isbad.org>,
        Srujana Challa <schalla@...vell.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>
Subject: Re: Build error in crypto/marvell/cesa/cipher.c

On Wed, Jun 28, 2023 at 08:13:25PM -0700, Linus Torvalds wrote:
> I get a similar error in 'irdma_clr_wqes()' at
> drivers/infiniband/hw/irdma/uk.c:103 (and same thing on line 105). I
> don't see what the right solution there is, but it looks like we have
> 
>         IRDMA_CQP_WQE_SIZE = 8
>         __le64 elem[IRDMA_CQP_WQE_SIZE];
> 
> and it's doing a 4kB memset to that element. The mistake is not as
> obvious as in the cesa driver.

I pressed "send" too fast. :)

This should also already be fixed:
https://lore.kernel.org/all/20230523111859.2197825-1-arnd@kernel.org/

-- 
Kees Cook