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Re: kern/42977: pkg/samba requires vm.user_va0_disable=0
The following reply was made to PR kern/42977; it has been noted by GNATS.
From: Matthew Mondor <mm_lists%pulsar-zone.net@localhost>
Subject: Re: kern/42977: pkg/samba requires vm.user_va0_disable=0
Date: Tue, 16 Mar 2010 01:15:56 -0400
On Mon, 15 Mar 2010 20:20:08 +0000 (UTC)
Elad Efrat <elad%NetBSD.org@localhost> wrote:
> I have a feeling this should move under security.pax, and have
> enabled/global knobs too, along with (for now) ELF flags to allow
> fine-grained control over what is exempt from this. That'll at least
> allow integration with the build system/pkgsrc and auto-enabling the
> exempt flags where needed.
I agree and was thinking the same thing, unless of course, the bugs are
due to libc and/or compat and can be hidden from most if not all third
party software. If random third party software is expected not to work
with page 0 mapping disabled, then it's probably a place where pax is
welcome... Just like for ASLR.
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