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

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Message-ID: <CAHk-=whmLVGmu26K0W+BH0BPfwWewHmM53Cy-ep=YVT68ToPmQ@mail.gmail.com>
Date:   Tue, 18 Feb 2020 10:44:59 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Ilya Dryomov <idryomov@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Petr Mladek <pmladek@...e.com>,
        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] vsprintf: don't obfuscate NULL and error pointers

On Mon, Feb 17, 2020 at 2:27 PM Ilya Dryomov <idryomov@...il.com> wrote:
>
> I don't see what security concern is addressed by obfuscating NULL
> and IS_ERR() error pointers, printed with %p/%pK.

Ack, looks good to me.

              Linus