From: Andrew Morton <akpm@linux-foundation.org>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: ebiederm@xmission.com, xemul@openvz.org, pavel@ucw.cz,
sds@tycho.nsa.gov, roland@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ptrace: it is fun to strace /sbin/init
Date: Mon, 24 Mar 2008 16:08:19 -0700 [thread overview]
Message-ID: <20080324160819.cea2d921.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080324225611.GA157@tv-sign.ru>
On Tue, 25 Mar 2008 01:56:11 +0300
Oleg Nesterov <oleg@tv-sign.ru> wrote:
> On 03/24, Andrew Morton wrote:
> >
> > On Sun, 23 Mar 2008 16:51:10 +0300
> > Oleg Nesterov <oleg@tv-sign.ru> wrote:
> >
> > > Ptracing of /sbin/init is not allowed. Of course, this is dangerous, but may
> > > be useful. Introduce the kernel boot parameter to allow this, so that we can't
> > > surprise some special/secured systems.
> >
> > I dunno, is this really needed?
>
> Well, this is the question. I think it would be very nice to have the ability
> to debug/strace init. Especially if you try to make your own distribution /
> your own init.
>
> Sometimes I see init at the top of the top's output, with this patch I have a
> chance to see what's going on on my system.
I agree that init should be ptraceable. I'm questioning the value of a
knob which enables that ability.
Why not just unconditionally enable root's abiltiy to ptrace init?
next prev parent reply other threads:[~2008-03-24 23:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-23 13:51 [PATCH] ptrace: it is fun to strace /sbin/init Oleg Nesterov
2008-03-24 16:01 ` Pavel Machek
2008-03-24 16:40 ` Oleg Nesterov
2008-03-24 22:39 ` Pavel Machek
2008-03-24 23:04 ` Oleg Nesterov
2008-03-24 23:09 ` Pavel Machek
2008-03-24 23:18 ` Oleg Nesterov
2008-03-24 23:26 ` Andrew Morton
2008-03-24 23:38 ` Oleg Nesterov
2008-03-25 12:03 ` Stephen Smalley
2008-03-25 13:40 ` Serge E. Hallyn
2008-03-25 14:37 ` Stephen Smalley
2008-03-25 18:06 ` Serge E. Hallyn
2008-03-25 19:07 ` Herbert Poetzl
2008-03-25 21:55 ` Pavel Machek
2008-03-26 15:31 ` Andrew Morgan
2008-03-26 15:47 ` Pavel Emelyanov
2008-03-24 22:29 ` Andrew Morton
2008-03-24 22:56 ` Oleg Nesterov
2008-03-24 23:08 ` Andrew Morton [this message]
2008-03-24 23:29 ` Oleg Nesterov
2008-03-25 10:00 ` Andi Kleen
2008-03-25 14:16 ` Krzysztof Halasa
2008-03-25 14:22 ` Andi Kleen
2008-03-25 14:30 ` Krzysztof Halasa
2008-03-25 14:35 ` Andi Kleen
2008-03-25 14:58 ` Krzysztof Halasa
2008-03-25 14:47 ` Pavel Machek
2008-03-25 14:56 ` Andi Kleen
2008-03-25 17:42 ` Oleg Nesterov
2008-03-25 22:00 ` Roland McGrath
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