linux-kernel - Re: [PATCH v3] crypto: arm64/sha: fix function types

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Message-ID: <20191122110529.um7wyexxlmp5l6ac@gondor.apana.org.au>
Date:   Fri, 22 Nov 2019 19:05:29 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Eric Biggers <ebiggers@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v3] crypto: arm64/sha: fix function types

On Fri, Nov 22, 2019 at 07:04:46PM +0800, Herbert Xu wrote:
> On Tue, Nov 19, 2019 at 12:13:53PM -0800, Sami Tolvanen wrote:
> > Instead of casting pointers to callback functions, add C wrappers
> > to avoid type mismatch failures with Control-Flow Integrity (CFI)
> > checking.
> > 
> > Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
> > Reviewed-by: Ard Biesheuvel <ardb@...nel.org>
> > ---
> > Changes in v3:
> >   - Removed unnecessary inline attributes.
> > 
> > Changes in v2:
> >   - Added wrapper functions instead of changing parameter types
> >     for the assembly functions.
> > 
> > ---
> >  arch/arm64/crypto/sha1-ce-glue.c   | 17 +++++++++------
> >  arch/arm64/crypto/sha2-ce-glue.c   | 34 ++++++++++++++++++------------
> >  arch/arm64/crypto/sha256-glue.c    | 32 +++++++++++++++++-----------
> >  arch/arm64/crypto/sha512-ce-glue.c | 26 ++++++++++++-----------
> >  arch/arm64/crypto/sha512-glue.c    | 15 ++++++++-----
> >  5 files changed, 76 insertions(+), 48 deletions(-)
> 
> Patch applied.  Thanks.

Scratch that.  This patch is still in the queue.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt