Re: [PATCH] Allow Kconfig to set default mmap_min_addr protection

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From: Greg KH

Subject: Re: [PATCH] Allow Kconfig to set default mmap_min_addr protection

Date: Friday, December 21, 2007 - 3:34 pm

On Fri, Dec 21, 2007 at 10:10:24PM +0100, Jan Engelhardt wrote:
quoted text> 
> 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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Messages in current thread:

[PATCH] Allow Kconfig to set default mmap_min_addr protection, Eric Paris, (Wed Dec 19, 2:59 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Jan Engelhardt, (Wed Dec 19, 4:29 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Eric Paris, (Fri Dec 21, 1:31 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Jan Engelhardt, (Fri Dec 21, 2:10 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Willy Tarreau, (Fri Dec 21, 2:16 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Greg KH, (Fri Dec 21, 3:34 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Greg KH, (Fri Dec 21, 3:35 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Jan Engelhardt, (Fri Dec 21, 3:59 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Eric Paris, (Wed Jan 2, 10:09 am)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Jan Engelhardt, (Wed Jan 2, 10:26 am)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr pro ..., Willy Tarreau, (Wed Jan 2, 11:10 am)


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