From: Andrew Morton <akpm@osdl.org>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: drepper@redhat.com, manfred@colorfullife.com,
linux-kernel@vger.kernel.org
Subject: Re: message queue limits
Date: Thu, 15 Apr 2004 12:24:11 -0700 [thread overview]
Message-ID: <20040415122411.0bcb9195.akpm@osdl.org> (raw)
In-Reply-To: <20040415145350.GF2085@logos.cnet>
Marcelo Tosatti <marcelo.tosatti@cyclades.com> wrote:
>
> On Sun, Apr 11, 2004 at 10:48:28PM -0700, Ulrich Drepper wrote:
> > Something has to change in the way message queues are created.
> > Currently it is possible for an unprivileged user to exhaust all mq
> > slots so that only root can create a few more. Any other unprivileged
> > user has no change to create anything.
> >
> > I think it is necessary to create a per-user limit instead of a
> > system-wide limit.
>
> Actually, there is no infrastructure to account for per-UID limits right now AFAICS
> (please someone correct me) at ALL. We need to account and limit for per-user
>
> - pending signals
> - message queues
The stuff in kernel/user.c may be sufficient for this.
next prev parent reply other threads:[~2004-04-15 19:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-12 5:48 Ulrich Drepper
2004-04-13 20:16 ` Bill Davidsen
2004-04-15 14:53 ` Marcelo Tosatti
2004-04-15 19:24 ` Andrew Morton [this message]
2004-04-15 19:54 ` Marcelo Tosatti
2004-04-15 21:46 ` Marcelo Tosatti
2004-04-15 22:54 ` Andrew Morton
2004-04-16 0:10 ` Marcelo Tosatti
2004-04-16 1:48 ` Andrew Morton
2004-04-16 13:13 ` Marcelo Tosatti
[not found] ` <20040415141846.GE2085@logos.cnet>
[not found] ` <407EB08D.4010607@colorfullife.com>
2004-04-16 14:06 ` Marcelo Tosatti
2004-04-16 21:35 ` Andrew Morton
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