linux-kernel - Re: [PATCH 00/10] Remove uninitialized

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Message-ID: <202006040727.265B0E586@keescook>
Date:   Thu, 4 Jun 2020 07:27:42 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Joe Perches <joe@...ches.com>,
        Andy Whitcroft <apw@...onical.com>, x86@...nel.org,
        drbd-dev@...ts.linbit.com, linux-block@...r.kernel.org,
        b43-dev@...ts.infradead.org, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-ide@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-mm@...ck.org,
        Clang-Built-Linux ML <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH 00/10] Remove uninitialized_var() macro

On Thu, Jun 04, 2020 at 09:26:58AM +0200, Sedat Dilek wrote:
> On Thu, Jun 4, 2020 at 5:33 AM Nathan Chancellor
> <natechancellor@...il.com> wrote:
> >
> > On Wed, Jun 03, 2020 at 04:31:53PM -0700, Kees Cook wrote:
> > > Using uninitialized_var() is dangerous as it papers over real bugs[1]
> > > (or can in the future), and suppresses unrelated compiler warnings
> > > (e.g. "unused variable"). If the compiler thinks it is uninitialized,
> > > either simply initialize the variable or make compiler changes.
> > >
> > > As recommended[2] by[3] Linus[4], remove the macro.
> > [...]
> > For the series, consider it:
> >
> > Tested-by: Nathan Chancellor <natechancellor@...il.com> [build]
> [...]
> 
> I tried with updated version (checkpatch) of your tree and see no
> (new) warnings in my build-log.
> 
> Feel free to add my...
> 
> Tested-by: Sedat Dilek <sedat.dilek@...il.com>

Awesome! Thank you both! :)

-- 
Kees Cook