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

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Date:   Fri, 10 Apr 2020 09:40:01 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Linus Torvalds' <torvalds@...ux-foundation.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
CC:     Ilya Dryomov <idryomov@...il.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Petr Mladek <pmladek@...e.com>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.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

From: Linus Torvalds
> Sent: 08 April 2020 17:23
> On Wed, Apr 8, 2020 at 8:08 AM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> >
> > For the better understanding the current state of affairs I suggest to respin
> > new version after rc1 and we will see again.

If the hash of a pointer ends up being one of the values that
wouldn't be hashed, perhaps it should be hashed again.
That will remove any possible confusion.

	David

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