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From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: Stef Bon <stefbon@gmail.com>
Cc: linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, Miklos Szeredi <miklos@szeredi.hu>,
	Seth Forshee <seth.forshee@canonical.com>,
	"Eric W . Biederman" <ebiederm@xmission.com>,
	Dongsu Park <dongsu@kinvolk.io>, Alban Crequy <alban@kinvolk.io>,
	"Serge E. Hallyn" <serge@hallyn.com>
Subject: Re: [PATCH v3 4/4] fuse: define the filesystem as untrusted
Date: Wed, 14 Mar 2018 09:01:01 -0400	[thread overview]
Message-ID: <1521032461.3547.404.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <CANXojczCU3UC4xsPYzAYqFW3_WR9Z7QO_exd4dB6eyQR2STuUg@mail.gmail.com>

On Wed, 2018-03-14 at 08:52 +0100, Stef Bon wrote:
> I do not have any comments about the patches but a question.
> I completely agree that the files can change without the VFS knowing
> about it, but isn't that in general the case with filesystems with a
> backend shared with others (network fs's?).

Right, the problem is not limited to fuse, but needs to be addressed
before unprivileged fuse mounts are upstreamed.

Alban's response to this question:
https://marc.info/?l=linux-kernel&m=151784020321045&w=2

Mimi

  reply	other threads:[~2018-03-14 13:01 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-08 20:24 [PATCH v3 0/4] unverifiable file signatures Mimi Zohar
2018-03-08 20:24 ` [PATCH v3 1/4] ima: fail file signature verification on non-init mounted filesystems Mimi Zohar
2018-03-12 19:17   ` Serge E. Hallyn
2018-03-12 19:26     ` Serge E. Hallyn
2018-03-13 18:45   ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 2/4] ima: re-evaluate files on privileged " Mimi Zohar
2018-03-12 19:18   ` Serge E. Hallyn
2018-03-13 19:24   ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 3/4] ima: fail signature verification based on policy Mimi Zohar
2018-03-12 19:28   ` Serge E. Hallyn
2018-03-12 19:32     ` Mimi Zohar
2018-03-13 19:31   ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 4/4] fuse: define the filesystem as untrusted Mimi Zohar
2018-03-12 19:29   ` Serge E. Hallyn
2018-03-13 14:46     ` Stefan Berger
2018-03-14 14:27       ` Serge E. Hallyn
2018-03-14 14:37         ` Stefan Berger
2018-03-13 19:32   ` Eric W. Biederman
2018-03-19 11:57     ` Mimi Zohar
2018-03-14  7:52   ` Stef Bon
2018-03-14 13:01     ` Mimi Zohar [this message]
2018-03-14 16:17       ` Eric W. Biederman
2018-03-14 17:50         ` Mimi Zohar
2018-03-14 18:08           ` Chuck Lever
2018-03-14 19:46             ` Eric W. Biederman
2018-03-14 20:34               ` Chuck Lever
2018-03-14 21:42                 ` Eric W. Biederman
2018-03-14 22:53                   ` Michael Halcrow
2018-03-15 21:24                     ` Mimi Zohar
2018-03-15 10:07                   ` Stef Bon
2018-03-15 13:53                     ` Chuck Lever
2018-03-15 22:05               ` Mimi Zohar
2018-03-13 19:40 ` [PATCH v3 0/4] unverifiable file signatures Eric W. Biederman
2018-03-13 20:40   ` Mimi Zohar

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