linux-kernel - Re: [RFC PATCH 0/4] namespacefs: Proof-of-Concept

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Message-ID: <20211119190745.3b706c4b@gandalf.local.home>
Date:   Fri, 19 Nov 2021 19:07:45 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     James Bottomley <James.Bottomley@...senPartnership.com>
Cc:     Yordan Karadzhov <y.karadz@...il.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        viro@...iv.linux.org.uk, mingo@...hat.com, hagen@...u.net,
        rppt@...nel.org, akpm@...ux-foundation.org, vvs@...tuozzo.com,
        shakeelb@...gle.com, christian.brauner@...ntu.com,
        mkoutny@...e.com, Linux Containers <containers@...ts.linux.dev>,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [RFC PATCH 0/4] namespacefs: Proof-of-Concept

On Fri, 19 Nov 2021 18:22:55 -0500
James Bottomley <James.Bottomley@...senPartnership.com> wrote:

> But I could write a script or a tool to gather all the information
> without this filesystem.  The namespace tree can be reconstructed by
> anything that can view the process tree and the /proc/<pid>/ns
> directory.

So basically you're stating that we could build the same thing that the
namespacefs would give us from inside a privileged container that had
access to the system procfs?

-- Steve