linux-kernel - Re: [RFD][PATCH 2/2] sysctl: Implement CTL

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, 23 Oct 2006 06:28:15 -0400
From:	Kyle Moffett <mrmacman_g4@....com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Andrew Morton <akpm@...l.org>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andi Kleen <ak@...e.de>, linux-kernel@...r.kernel.org,
	Russell King <rmk+lkml@....linux.org.uk>,
	Jakub Jelinek <jakub@...hat.com>,
	Mike Galbraith <efault@....de>,
	Albert Cahalan <acahalan@...il.com>,
	Bill Nottingham <notting@...hat.com>,
	Marco Roeland <marco.roeland@...all.nl>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: [RFD][PATCH 2/2] sysctl:  Implement CTL_UNNUMBERED

On Oct 23, 2006, at 03:25:13, Eric W. Biederman wrote:
> --- a/fs/lockd/svc.c
> -/* Something that isn't CTL_ANY, CTL_NONE or a value that may  
> clash. */
> -#define CTL_UNNUMBERED		-2
> -

> --- a/fs/nfs/sysctl.c
> -/*
> - * Something that isn't CTL_ANY, CTL_NONE or a value that may clash.
> - * Use the same values as fs/lockd/svc.c
> - */
> -#define CTL_UNNUMBERED -2

> +++ b/include/linux/sysctl.h
>  #ifdef __KERNEL__
>  #define CTL_ANY		-1	/* Matches any name */
>  #define CTL_NONE	0
> +#define CTL_UNNUMBERED	CTL_NONE	/* sysctl without a binary number */
>  #endif

This change looks totally broken.  Before this patch, CTL_UNNUMBERED  
== -2, a number that isn't CTL_ANY, CTL_NONE, or a valid sysctl  
number.  After this patch, CTL_UNNUMBERED == 0, or CTL_NONE.

Cheers,
Kyle Moffett

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/