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List:       netbsd-tech-userlevel
Subject:    Re: paxctl(8) and ASLR - bug?
From:       Thor Lancelot Simon <tls () panix ! com>
Date:       2011-06-07 19:46:27
Message-ID: 20110607194626.GA22340 () panix ! com
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On Tue, Jun 07, 2011 at 09:33:23PM +0200, Jean-Yves Migeon wrote:
> On 07.06.2011 18:15, Thor Lancelot Simon wrote:
> >> Try with paxctl +A $(which ldd).
> > 
> > Oof!  This isn't safe to do, because it will apply ASLR in cases
> > where it is known to be unsafe -- just like enabling it globally
> > would.
> 
> What cases? I'd expect the impact to be minimal: ldd is a self contained
> executable that walks the dependencies by itself, and does not rely on
> the executable to perform the work (except for reading ELF sections).

Gah.  I'm sorry.  I read "ldd" but my brain processed it as "rtld".

Thor
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