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Message-ID: <20110701113533.GA19945@albatros>
Date: Fri, 1 Jul 2011 15:35:33 +0400
From: Vasiliy Kulikov <segoon@...nwall.com>
To: Ingo Molnar <mingo@...e.hu>, solar@...nwall.com
Cc: Andrew Morton <akpm@...ux-foundation.org>,
kernel-hardening@...ts.openwall.com,
Randy Dunlap <rdunlap@...otime.net>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
"Serge E. Hallyn" <serge.hallyn@...onical.com>,
Daniel Lezcano <daniel.lezcano@...e.fr>,
Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-security-module@...r.kernel.org
Subject: Re: [RFC] ipc: introduce shm_rmid_forced sysctl
On Fri, Jul 01, 2011 at 13:25 +0200, Ingo Molnar wrote:
> Furthermore, if testing shows that this is not actually breaking
> anything in a serious way we could also in theory simplify the patch
> and just make this the default behavior with no runtime ability to
> switch it off.
I'm afraid it's impossible. From -ow readme:
"Of course, this breaks the way things are defined, so some applications
might stop working. In particular, expect most commercial databases to
break. Apache and PostgreSQL are known to work, though. :-)"
http://www.openwall.com/linux/README.shtml
But as it was written in days of Linux 2.4.x, the situation could have
changed. A desktop system seems to work.
Thanks,
--
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments
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