linux-kernel - Re: [patch] PID namespace design bug, workaround

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Message-ID: <472A6DE7.8060800@redhat.com>
Date:	Thu, 01 Nov 2007 17:23:03 -0700
From:	Ulrich Drepper <drepper@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Theodore Tso <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [patch] PID namespace design bug, workaround

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Ingo Molnar wrote:

> but this problem is still present in the code, and it has been recently 
> committed into mainline via:
> 
>   commit 30e49c263e36341b60b735cbef5ca37912549264
>   Author: Pavel Emelyanov <xemul@...nvz.org>
>   Date:   Thu Oct 18 23:40:10 2007 -0700
> 
>       pid namespaces: allow cloning of new namespace
> 
> without these problems having been resolved. A full-scale revert is 
> probably too intrusive, but at minimum we need to turn off user-space 
> access to this feature via this simple patch. Until this issue is 
> resolved properly the new PID namespace code needs to be turned off. 
> Letting this into 2.6.24 would be a disaster.
> 
> Signed-off-by: Ingo Molnar <mingo@...e.hu>

Acked-by: Ulrich Drepper <drepper@...hat.com>


- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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