linux-kernel - Re: [PATCH v5 2/8] crypto: x86/serpent: Remove glue function macros usage

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191113193428.GB221701@gmail.com>
Date:   Wed, 13 Nov 2019 11:34:29 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        João Moreira <joao.moreira@...el.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Stephan Mueller <smueller@...onox.de>, x86@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v5 2/8] crypto: x86/serpent: Remove glue function macros
 usage

On Wed, Nov 13, 2019 at 10:25:10AM -0800, Kees Cook wrote:
> diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h
> index 1a345e8a7496..491a5a7d4e15 100644
> --- a/arch/x86/include/asm/crypto/serpent-sse2.h
> +++ b/arch/x86/include/asm/crypto/serpent-sse2.h
> @@ -41,8 +41,7 @@ asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst,
>  asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst,
>  				     const u8 *src);
>  
> -static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
> -				   const u8 *src)
> +static inline void serpent_enc_blk_xway(void *ctx, u8 *dst, const u8 *src)
>  {
>  	__serpent_enc_blk_8way(ctx, dst, src, false);
>  }
> @@ -53,8 +52,7 @@ static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
>  	__serpent_enc_blk_8way(ctx, dst, src, true);
>  }
>  
> -static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
> -				   const u8 *src)
> +static inline void serpent_dec_blk_xway(void *ctx, u8 *dst, const u8 *src)
>  {
>  	serpent_dec_blk_8way(ctx, dst, src);
>  }

Please read this whole file --- these functions are also defined under an #ifdef
CONFIG_X86_32 block, so that part needs to be updated too.

- Eric