linux-kernel - Re: [PATCH v2 1/2] pinctrl: use to octal permissions for debugfs files

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAMuHMdVdHb4LGpZY0T1OKEhAx0iqviqS587Fwm56UBv3-=1kTQ@mail.gmail.com>
Date:   Wed, 10 Feb 2021 09:31:10 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Drew Fustini <drew@...gleboard.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tony Lindgren <tony@...mide.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Jason Kridner <jkridner@...gleboard.org>,
        Robert Nelson <robertcnelson@...gleboard.org>
Subject: Re: [PATCH v2 1/2] pinctrl: use to octal permissions for debugfs files

Hi Drew,

On Wed, Feb 10, 2021 at 8:50 AM Drew Fustini <drew@...gleboard.org> wrote:
> Switch over pinctrl debugfs files to use octal permissions as they are
> preferred over symbolic permissions. Refer to commit f90774e1fd27
> ("checkpatch: look for symbolic permissions and suggest octal instead").
>
> Signed-off-by: Drew Fustini <drew@...gleboard.org>

Thanks for your patch!

> --- a/drivers/pinctrl/core.c
> +++ b/drivers/pinctrl/core.c
> @@ -1914,11 +1914,11 @@ static void pinctrl_init_debugfs(void)
>                 return;
>         }
>
> -       debugfs_create_file("pinctrl-devices", S_IFREG | S_IRUGO,
> +       debugfs_create_file("pinctrl-devices", 0400,

What about the loss of S_IFREG?
S_IRUGO = 0444, not 0400.

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