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Date: Sun, 15 Jul 2007 01:21:02 +0400
From: Oleg Nesterov <oleg@tv-sign.ru>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Pavel Machek <pavel@ucw.cz>,
       linux-kernel@vger.kernel.org
Subject: Re: malicious filesystems (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM
Message-ID: <20070714212102.GA214@tv-sign.ru>
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I am sorry for being completely off-topic, but

Miklos Szeredi wrote:
>
> SIGKILL won't work on a stopped task.  Neither on a traced task.

Why do you think so? It works in both cases (ptracer can use
PT_TRACE_EXIT, but the task is killed anyway).

> Neither on a zombie (how many newbies are thoroughly confused about
> that ;)

This is true. Unless this zombie is a group leader, and we have other
threads.

Oleg.