linux-kernel - Re: [PATCH 1/1] ptrace: do_notify_parent_cldstop: fix the wrong ->nsproxy usage

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Message-Id: <20090527235136.A44A4FC2BD@magilla.sf.frob.com>
Date:	Wed, 27 May 2009 16:51:36 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] ptrace: do_notify_parent_cldstop: fix the wrong
	->nsproxy usage

> Yes, but the (minor and low priority) problem is that .si_pid recorded
> in ->last_siginfo does not match the tracee's pid from the tracer pov
> (if they run in different namespaces).

That is not a problem, it's how it's supposed to be.  That's what I was
just saying.  This is information about the values seen by the debugged
process.  Any translation to things meaningful in different contexts it
outside the scope of ptrace.


Thanks,
Roland
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