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

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To: Jan Engelhardt <jengelh@...>

Cc: Willy Tarreau <w@...>, Eric Paris <eparis@...>, <linux-kernel@...>, <jmorris@...>, <alan@...>, <chrisw@...>, <akpm@...>, <linux-security-module@...>, <solar@...>, <wtarreau@...>

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

Date: Friday, December 21, 2007 - 6:35 pm

On Fri, Dec 21, 2007 at 11:04:19PM +0100, Jan Engelhardt wrote:
quoted text> 
> 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...
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Messages in current thread:

[PATCH] Allow Kconfig to set default mmap_min_addr protection, Eric Paris, (Wed Dec 19, 5:59 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Jan Engelhardt, (Wed Dec 19, 7:29 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Eric Paris, (Fri Dec 21, 4:31 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Jan Engelhardt, (Fri Dec 21, 5:10 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Greg KH, (Fri Dec 21, 6:34 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Willy Tarreau, (Fri Dec 21, 5:16 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Jan Engelhardt, (Fri Dec 21, 6:04 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Greg KH, (Fri Dec 21, 6:35 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Jan Engelhardt, (Fri Dec 21, 6:59 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Eric Paris, (Wed Jan 2, 1:09 pm)

Re: [PATCH] Allow Kconfig to set default mmap_min_addr prote..., Jan Engelhardt, (Wed Jan 2, 1:26 pm)

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


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

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