From: Pavel Machek <pavel@ucw.cz>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: oleg@tv-sign.ru, rjw@sisk.pl, linux-kernel@vger.kernel.org
Subject: Re: malicious filesystems (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM
Date: Sat, 21 Jul 2007 11:28:19 +0200 [thread overview]
Message-ID: <20070721092819.GA1902@elf.ucw.cz> (raw)
In-Reply-To: <E1IA3oR-0002wg-00@dorka.pomaz.szeredi.hu>
On Sun 2007-07-15 15:06:59, 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).
>
> Just from experience with tasks stuck in "T" state. After for example
> an UML dies, some of the processes only react to SIGCONT, but not to
> SIGKILL.
>
> I have no idea why this happens.
Anyway that should be fixed, not used as excuse for fuse misbehaviour.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
prev parent reply other threads:[~2007-07-21 9:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-14 21:21 Oleg Nesterov
2007-07-15 13:06 ` Miklos Szeredi
2007-07-21 9:28 ` Pavel Machek [this message]
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