From: Greg KH <greg@kroah.com>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: Willy Tarreau <w@1wt.eu>, Eric Paris <eparis@redhat.com>,
linux-kernel@vger.kernel.org, jmorris@namei.org, alan@redhat.com,
chrisw@redhat.com, akpm@linux-foundation.org,
linux-security-module@vger.kernel.org, solar@openwall.com,
wtarreau@hera.kernel.org
Subject: Re: [PATCH] Allow Kconfig to set default mmap_min_addr protection
Date: Fri, 21 Dec 2007 14:35:26 -0800 [thread overview]
Message-ID: <20071221223526.GC24780@kroah.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0712212303410.18570@fbirervta.pbzchgretzou.qr>
On Fri, Dec 21, 2007 at 11:04:19PM +0100, Jan Engelhardt wrote:
>
> On Dec 21 2007 22:16, Willy Tarreau wrote:
> >Hi Jan,
> >
> >> >> >+config SECURITY_DEFAULT_MMAP_MIN_ADDR
> >> >> >+ int "Low address space to protect from user allocation"
> >> >>
> >> >> Hm, should not this be 'hex'?
> >> >
> >> >I guess it could be, but the input for /proc/sys/vm/mmap_min_addr is
> >> >base 10 as well
> >>
> >> sysfs is autobase, i.e. echo "0xb000" >/sys/foo will Do The Right Thing.
> >
> >yes but if you cat /proc/sys/vm/mmap_min_addr, it returns in base 10.
>
> sysfs should probably be tuned to output it in a preferred base.
Again, this is sysctl, not sysfs. two very different things...
next prev parent reply other threads:[~2007-12-21 22:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-19 21:59 [PATCH] Allow Kconfig to set default mmap_min_addr protection Eric Paris
2007-12-19 23:29 ` Jan Engelhardt
2007-12-21 20:31 ` Eric Paris
2007-12-21 21:10 ` Jan Engelhardt
2007-12-21 21:16 ` Willy Tarreau
2007-12-21 22:04 ` Jan Engelhardt
2007-12-21 22:35 ` Greg KH [this message]
2007-12-21 22:59 ` Jan Engelhardt
2008-01-02 17:09 ` Eric Paris
2008-01-02 17:26 ` Jan Engelhardt
2008-01-02 18:10 ` Willy Tarreau
2007-12-21 22:34 ` Greg KH
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