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SubjectRe: [PATCH] Allow Kconfig to set default mmap_min_addr protection
On Fri, Dec 21, 2007 at 10:10:24PM +0100, Jan Engelhardt wrote:
>
> On Dec 21 2007 15:31, Eric Paris wrote:
> >On Thu, 2007-12-20 at 00:29 +0100, Jan Engelhardt wrote:
> >> On Dec 19 2007 16:59, Eric Paris wrote:
> >> >
> >> >+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.

Hm, no, that is not sysfs doing this, and sysfs is not autobase in all
places. That is sysctl (/proc/sys/), not sysfs.

thanks,

greg k-h


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