linux-kernel - [PATCH] 3.8: access permission filesystem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <87k3bqnflm.fsf@olafdietsche.de>
Date:	Wed, 19 Mar 2014 20:38:45 +0100
From:	Olaf Dietsche <olaf--list.linux-kernel@...fdietsche.de>
To:	Eric Biederman <ebiederm@...ssion.com>,
	Serge Hallyn <serge.hallyn@...onical.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] 3.8: access permission filesystem

I am in the process of catching up with the last two years or so.
Right now, I am at the changes involving user namespaces.

I have two possible implementations, both working equally well in a
shared environment. Since I am not familiar with namespaces in general
and user namespaces in particular, I would like you to look over the
patches and tell me, what you think.

Are the patches good so far? Are there are any things I missed and must
consider? Maybe, I am completely off track? Anything else?

I included both patches inline below. The patches are also available as
separate branches at github 

https://github.com/olafdietsche/linux-accessfs/tree/tmp-user-ns-1
https://github.com/olafdietsche/linux-accessfs/tree/tmp-user-ns-2

I am leaning toward the second patch. Although it is a little bit longer
than the first one, it involves no user id conversions.

View attachment "tmp-user-ns-1.diff" of type "text/x-diff" (1389 bytes)

View attachment "tmp-user-ns-2.diff" of type "text/x-diff" (2678 bytes)