From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Subject: Re: pidns memory leak
Date: Fri, 9 Oct 2009 18:32:35 -0700
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To: Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Cc: Linux Kernel Mailing List <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, andrea-Vyt77T80VFVWk0Htik3J/w@public.gmane.org, "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>, Linux Containers <containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>, Pavel Emelianov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
List-Id: containers.vger.kernel.org

Ccing  Andrea's new email id:

Daniel Lezcano [dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org] wrote:
> Following your explanation I was able to reproduce a simple program  
> added in attachment. But there is something I do not understand is why  
> the leak does not appear if I do the 'lstat' (cf. test program) in the  
> pid 2 context.

Hmm, are you sure there is no leak with this test program ? If I put back
the commit (7766755a2f249e7), I do see a leak in all three data structures
(pid_2, proc_inode, pid_namespace).