From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vasiliy Kulikov <segoon@openwall.com>
Subject: Re: [patch 2/2] fs, proc: Introduce the /proc/<pid>/map_files/
 directory v12
Date: Fri, 16 Sep 2011 22:11:46 +0400
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Cc: Pavel Machek <pavel@ucw.cz>, Andrew Morton <akpm00@gmail.com>,
	linux-kernel@vger.kernel.org, containers@lists.osdl.org,
	linux-fsdevel@vger.kernel.org,
	Kirill Shutemov <kirill@shutemov.name>,
	Pavel Emelyanov <xemul@parallels.com>,
	James Bottomley <jbottomley@parallels.com>,
	Nathan Lynch <ntl@pobox.com>, Zan Lynx <zlynx@acm.org>,
	Daniel Lezcano <dlezcano@fr.ibm.com>,
	Tejun Heo <tj@kernel.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>
To: Cyrill Gorcunov <gorcunov@gmail.com>
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On Fri, Sep 16, 2011 at 22:07 +0400, Cyrill Gorcunov wrote:
> > BTW, not a big deal, but probably you should return -EACCES on
> > !capable() as file presence is not an issue in this case.
> > 
> >     if (!ptrace_may_access(task, PTRACE_MODE_READ))
> >         goto out_notask;
> > 
> >     status = -EACCES;
> >     if (!capable(CAP_SYS_ADMIN))
> >         goto out_notask;
> > 
> >     status = 0;
> > 
> > 
> 
> That's not a proble to fix it actually. So can I fix it and
> put some tage here (Reviewed or something?).

Yep, with CAP_SYS_ADMIN check there should be no issues here.

Reviewed-by: Vasiliy Kulikov <segoon@openwall.com>

Thanks,

-- 
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments