linux-kernel - Re: [PATCH v2] vsprintf: don't obfuscate NULL and error pointers

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Message-ID: <20200408150643.GD3676135@smile.fi.intel.com>
Date:   Wed, 8 Apr 2020 18:06:43 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Ilya Dryomov <idryomov@...il.com>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        Petr Mladek <pmladek@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        "Tobin C . Harding" <me@...in.cc>
Subject: Re: [PATCH v2] vsprintf: don't obfuscate NULL and error pointers

On Wed, Apr 08, 2020 at 04:38:25PM +0200, Ilya Dryomov wrote:
> On Wed, Apr 8, 2020 at 12:31 AM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> >
> > On Wed, Apr 8, 2020 at 12:45 AM Ilya Dryomov <idryomov@...il.com> wrote:
> > > On Wed, Feb 19, 2020 at 8:23 PM Ilya Dryomov <idryomov@...il.com> wrote:
> >
> > > Hi Petr,
> > >
> > > Bump, as I don't see this in linux-next or other public branches.
> > > The discussion was split between several threads, revolving around
> > > the vision for how lib/test_printf.c should be structured, but the
> > > fix itself wasn't disputed.
> > >
> > > Could you please pick it up for 5.7-rc1?  If you want to restructure
> > > the test suite before adding any new test cases, v1 doesn't have them.
> > > Other than the test cases, the only difference between v1 and v2 is
> > > added reviews and acks.
> >
> > Petr has some obstacles that prevent him to pay attention on this and
> > actually do anything right now for Linux kernel.
> > If Rasmus, Sergey, you and maybe others will got consensus here, I
> > think Andrew can take it thru his tree.
> 
> Thanks for letting us know, Andy.
> 
> Other than Petr, two people are listed as maintainers of vsprintf.c:
> Sergey and Steve.  Both of them were fine with v1 (no tests) and sent
> their acks.
> 
> Rasmus, you wanted to see some tests, so I posted v2.  However Petr
> wanted to restructure the test suite first, and it didn't seem like you
> him agreed on what exactly that should look like.  Which would you
> prefer to be picked by Andrew, v1 or v2?

I think it's question to maintainers. I'm a reviewer here.

For the better understanding the current state of affairs I suggest to respin
new version after rc1 and we will see again.

-- 
With Best Regards,
Andy Shevchenko