Messages in this thread | | | Date | Mon, 24 Mar 2008 16:08:19 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] ptrace: it is fun to strace /sbin/init |
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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?
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