linux-kernel - Re: omapfb/dss: Delete an error message for a failed memory allocation in three functions

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]

Date:   Mon, 27 Nov 2017 19:56:12 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     Ladislav Michl <ladis@...ux-mips.org>,
        "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "Andrew F. Davis" <afd@...com>,
        Arvind Yadav <arvind.yadav.cs@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        LKML <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: omapfb/dss: Delete an error message for a failed memory
 allocation in three functions

Hi Markus,

On Mon, Nov 27, 2017 at 7:12 PM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
>>> Can a default allocation failure report provide the information
>>> which you might expect so far?
>>
>> You should be able to answer that question yourself.
>
> I can not answer this detail completely myself because my knowledge
> is incomplete about your concrete expectations for the exception handling
> which can lead to different views for the need of additional error messages.

It may be a good idea to try to trigger an out-of-memory condition yourself,
and see what happens?

>> And if you are unable to do so, just do not sent changes pointed
>> by any code analysis tools.
>
> They can point aspects out for further software development considerations,
> can't they?

Sure. But I think it is a good experience to witness what can happen if you
"violate" these "coding standards written by other people", and learn to
understand why they were written, increasing your own knowledge.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds