linux-hardening - Re: [PATCH 4/4 v5] fortify: Add Clang support

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Date:   Thu, 3 Feb 2022 16:28:01 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        George Burgess IV <gbiv@...gle.com>, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH 4/4 v5] fortify: Add Clang support

On Thu, Feb 03, 2022 at 02:13:33PM -0800, Nick Desaulniers wrote:
> On Tue, Feb 1, 2022 at 4:30 PM Kees Cook <keescook@...omium.org> wrote:
> >
> > diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h
> > index c45159dbdaa1..5482536d3197 100644
> > --- a/include/linux/fortify-string.h
> > +++ b/include/linux/fortify-string.h
> > @@ -2,7 +2,9 @@
> >  #ifndef _LINUX_FORTIFY_STRING_H_
> >  #define _LINUX_FORTIFY_STRING_H_
> >
> > -#define __FORTIFY_INLINE extern __always_inline __attribute__((gnu_inline))
> > +#include <linux/const.h>
> > +
> > +#define __FORTIFY_INLINE extern __always_inline __attribute__((gnu_inline)) __overloadable
> 
> Sorry, I just noticed this line (already) uses a mix of open coding
> __attribute__ and not. Would you mind also please changing the open
> coded gnu_inline to simply __gnu_inline to make the entire line
> consistent?

Ah yeah, thanks. Fixed.

-- 
Kees Cook