linux-kernel - Re: [PATCH] printf: Emit "SUCCESS" if NULL is passed for %pe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220930134845.ivmme6vwcluezmt5@pengutronix.de>
Date:   Fri, 30 Sep 2022 15:48:45 +0200
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Petr Mladek <pmladek@...e.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        kernel@...gutronix.de
Subject: Re: [PATCH] printf: Emit "SUCCESS" if NULL is passed for %pe

On Fri, Sep 30, 2022 at 04:42:48PM +0300, Andy Shevchenko wrote:
> On Fri, Sep 30, 2022 at 03:24:24PM +0200, Uwe Kleine-König wrote:
> > On Fri, Sep 30, 2022 at 02:14:16PM +0200, Petr Mladek wrote:
> > > On Fri 2022-09-30 13:10:50, Uwe Kleine-König wrote:
> 
> ...
> 
> > > If get_bla() returns NULL then it means a super fault. It means
> > > that get_bla() failed and did not know why.
> > 
> > OK, I think we agree that a function that might return an error pointer
> > shouldn't return NULL with the semantic "This is also an error."
> 
> But it neither means "success".

Have you read and understood the patch and the discussion?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)