From: William Lee Irwin III <wli@holomorphy.com>
To: Gerrit Huizenga <gh@us.ibm.com>
Cc: Rik van Riel <riel@redhat.com>, Andrea Arcangeli <andrea@suse.de>,
Chris Wright <chrisw@osdl.org>,
Arjan van de Ven <arjanv@redhat.com>,
linux-kernel@vger.kernel.org, akpm@osdl.org, pbadari@us.ibm.com
Subject: Re: [patch] mlock-as-nonroot revisted
Date: Tue, 3 Aug 2004 18:55:41 -0700 [thread overview]
Message-ID: <20040804015541.GG2334@holomorphy.com> (raw)
In-Reply-To: <E1BsAiE-0008LT-00@w-gerrit2>
On Tue, 03 Aug 2004 21:22:45 EDT, Rik van Riel wrote:
>> OK. Do any of those do the "root chowns an unnamed
>> hugetlbfs file" scenario ? ;)
On Tue, Aug 03, 2004 at 06:37:02PM -0700, Gerrit Huizenga wrote:
> Badari will probably know the access method for DB2 better than
> I do. I know they go quite out of their way to avoid having
> root permissions at any point in time. How they accomplish this
> in the current source base, I don't know. They were using
> capabilities for things like this for a while.
IIRC the program launcher acquires the capabilities prior to dropping
root privileges and acquires the shm segment prior to exec.
-- wli
prev parent reply other threads:[~2004-08-04 1:56 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-29 10:03 [patch] mlock-as-nonroot revisted Arjan van de Ven
2004-07-29 21:28 ` Andrew Morton
2004-07-29 21:40 ` Andrea Arcangeli
2004-07-30 0:50 ` Rik van Riel
2004-07-30 2:16 ` Andrea Arcangeli
2004-07-30 0:51 ` Rik van Riel
2004-07-30 2:17 ` Andrea Arcangeli
2004-07-30 1:52 ` Chris Wright
2004-07-30 2:09 ` Andrea Arcangeli
2004-07-30 2:46 ` Rik van Riel
2004-08-03 20:54 ` Rik van Riel
2004-08-03 21:45 ` Chris Wright
2004-08-03 20:55 ` Rik van Riel
2004-08-03 21:07 ` Andrea Arcangeli
2004-08-03 21:13 ` Arjan van de Ven
2004-08-03 21:36 ` Andrea Arcangeli
2004-08-03 21:38 ` Arjan van de Ven
2004-08-03 21:51 ` Andrea Arcangeli
2004-08-03 22:01 ` Chris Wright
2004-08-03 22:11 ` Andrea Arcangeli
2004-08-03 22:33 ` Chris Wright
2004-08-03 22:42 ` Andrea Arcangeli
2004-08-03 22:52 ` Chris Wright
2004-08-04 1:21 ` Rik van Riel
2004-08-04 1:53 ` Andrea Arcangeli
2004-08-04 2:01 ` Rik van Riel
2004-08-04 2:13 ` Andrea Arcangeli
2004-08-04 2:20 ` William Lee Irwin III
2004-08-04 2:22 ` Rik van Riel
2004-08-04 2:31 ` William Lee Irwin III
2004-08-04 2:56 ` Rik van Riel
2004-08-04 6:06 ` Chris Wright
2004-08-04 13:31 ` Rik van Riel
2004-08-04 13:51 ` Arjan van de Ven
2004-08-04 13:56 ` Rik van Riel
2004-08-04 3:13 ` Andrea Arcangeli
2004-08-04 2:25 ` Chris Wright
2004-08-04 2:07 ` Chris Wright
2004-08-04 2:18 ` Andrea Arcangeli
2004-08-03 21:13 ` Rik van Riel
2004-08-03 21:22 ` Andrea Arcangeli
2004-08-03 21:24 ` Arjan van de Ven
2004-08-03 21:31 ` Rik van Riel
2004-08-03 21:39 ` Andrea Arcangeli
2004-08-04 1:56 ` William Lee Irwin III
2004-08-03 22:18 ` Gerrit Huizenga
2004-08-04 1:22 ` Rik van Riel
2004-08-04 1:37 ` Gerrit Huizenga
2004-08-04 1:55 ` William Lee Irwin III [this message]
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