From: Andi Kleen <andi@firstfloor.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Michael Stone" <michael@laptop.org>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-security-module@vger.kernel.org,
"Andi Kleen" <andi@firstfloor.org>, "David Lang" <david@lang.hm>,
"Oliver Hartkopp" <socketcan@hartkopp.net>,
"Alan Cox" <alan@lxorguk.ukuu.org.uk>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Valdis Kletnieks" <Valdis.Kletnieks@vt.edu>,
"Bryan Donlan" <bdonlan@gmail.com>,
"Rémi Denis-Courmont" <rdenis@simphalempin.com>,
"Evgeniy Polyakov" <zbr@ioremap.net>,
"C. Scott Ananian" <cscott@cscott.net>,
"James Morris" <jmorris@namei.org>,
"Bernie Innocenti" <bernie@codewiz.org>,
"Mark Seaborn" <mrs@mythic-beasts.com>,
"Linux Containers" <containers@lists.osdl.org>
Subject: Re: Network isolation with RLIMIT_NETWORK, cont'd.
Date: Thu, 17 Dec 2009 18:52:31 +0100 [thread overview]
Message-ID: <20091217175230.GK9804@basil.fritz.box> (raw)
In-Reply-To: <m1ljh7jijk.fsf@fess.ebiederm.org>
> Solve that with an unused uid. That ptrace_may_access check is
> completely non-intuitive, and a problem if we ever remove the current
> == task security module bug avoidance.
I thought he wanted to do that without suid?
If he can change uids he can as well just use full network namespaces.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
prev parent reply other threads:[~2009-12-17 17:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1260674379-4262-1-git-send-email-michael@laptop.org>
2009-12-13 3:44 ` Network isolation with RLIMIT_NETWORK, cont'd Michael Stone
2009-12-13 5:09 ` setrlimit(RLIMIT_NETWORK) vs. prctl(???) Michael Stone
2009-12-13 5:20 ` Ulrich Drepper
2009-12-15 5:33 ` Michael Stone
2009-12-13 8:32 ` Network isolation with RLIMIT_NETWORK, cont'd Rémi Denis-Courmont
2009-12-13 13:44 ` Michael Stone
2009-12-13 10:05 ` Eric W. Biederman
2009-12-13 14:21 ` Michael Stone
2009-12-17 17:31 ` Mark Seaborn
2009-12-17 18:24 ` Bryan Donlan
2009-12-17 19:35 ` Bernie Innocenti
2009-12-17 19:53 ` Bryan Donlan
2009-12-17 19:23 ` Bernie Innocenti
2009-12-17 17:52 ` Andi Kleen [this message]
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