From: "H. Peter Anvin" <hpa@zytor.com>
To: Albert Cahalan <acahalan@gmail.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: JIT emulator needs
Date: Wed, 20 Jun 2007 11:51:51 -0700 [thread overview]
Message-ID: <46797747.9020904@zytor.com> (raw)
In-Reply-To: <787b0d920706201125g2368a4e1i2d115b0b2d5399e5@mail.gmail.com>
Albert Cahalan wrote:
> Putting this into the security policy was an error born of
> lazyness to begin with. Abuse of the security mechanism
> was easier than hacking the toolchain, ELF loader, etc.
>
> Either a binary needs self-modification, or it doesn't. This is
> determined by the author of the code. If you don't trust an
> executable that needs this ability, then you simply can not
> run it in a useful way.
That's fine. That's a policy decision. That's what a security policy
*is*. The owner of the system has decided, by security policy, that
that is not allowed. Bypassing that is not acceptable.
-hpa
next prev parent reply other threads:[~2007-06-20 18:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-08 6:35 JIT emulator needs Albert Cahalan
2007-06-08 7:09 ` Eric Dumazet
2007-06-09 4:12 ` Albert Cahalan
2007-06-08 11:10 ` Alan Cox
2007-06-08 16:35 ` Nicholas Miell
2007-06-09 5:17 ` Albert Cahalan
2007-06-09 20:00 ` H. Peter Anvin
2007-06-19 15:08 ` William Lee Irwin III
2007-06-20 3:16 ` Albert Cahalan
2007-06-20 16:01 ` William Lee Irwin III
2007-06-20 16:37 ` H. Peter Anvin
2007-06-20 17:54 ` William Lee Irwin III
2007-06-20 18:23 ` H. Peter Anvin
2007-06-20 18:25 ` Albert Cahalan
2007-06-20 18:51 ` H. Peter Anvin [this message]
2007-06-21 3:21 ` Albert Cahalan
2007-06-21 3:32 ` H. Peter Anvin
2007-06-21 7:38 ` Albert Cahalan
2007-06-20 18:43 ` Albert Cahalan
2007-06-23 3:52 ` Kyle Moffett
2007-06-24 4:14 ` William Lee Irwin III
2007-06-21 17:44 ` Arjan van de Ven
2007-06-22 5:56 ` Albert Cahalan
2007-06-22 13:43 ` Arjan van de Ven
2007-06-22 14:32 ` Albert Cahalan
2007-06-22 14:42 ` Arjan van de Ven
2007-06-23 2:30 ` Albert Cahalan
[not found] <8tGiE-2Hv-1@gated-at.bofh.it>
[not found] ` <8xNvm-2Tw-29@gated-at.bofh.it>
[not found] ` <8xYTM-3So-13@gated-at.bofh.it>
2007-06-21 11:08 ` Bodo Eggert
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