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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 <>
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 <> 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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