From: Andrew Morton <akpm@osdl.org>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: joern@wohnheim.fh-wedel.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] copyfile: generic_sendpage
Date: Sat, 4 Sep 2004 17:23:49 -0700 [thread overview]
Message-ID: <20040904172349.7e39da22.akpm@osdl.org> (raw)
In-Reply-To: <20040905001653.GA3106@holomorphy.com>
William Lee Irwin III <wli@holomorphy.com> wrote:
>
> On Sat, Sep 04, 2004 at 03:39:02PM -0700, Andrew Morton wrote:
> > I don't know how much of a problem this is in practice - there are all
> > sorts of nasty things which unprivileged apps can do to the system by
> > overloading filesystems. Although most of them can be killed off by the
> > sysadmin.
> > (My infamous bash-shared-mappings stresstest can spend ten or more minutes
> > within a single write() call, but you have to try hard to do this).
>
> This reminds me; I'm having a chicken and egg problem with several
> stresstests I've written but withheld until fixes for the crashes they
> trigger are available, but the fixes appear to be hard enough to arrange
> they need public commentary to find acceptable methods of addressing
> them. What's the recommended procedure for all this?
>
A local DoS via resource exhaustion would not be an earth-shatteringly new
development. Just send 'em out.
next prev parent reply other threads:[~2004-09-05 0:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-04 16:57 [PATCH 1/3] copyfile: generic_sendpage Jörn Engel
2004-09-04 16:59 ` [PATCH 2/3] copyfile: sendfile Jörn Engel
2004-09-04 17:04 ` [PATCH 3/3] copyfile: copyfile Jörn Engel
2004-09-04 17:08 ` Jörn Engel
2004-09-04 17:11 ` [PATCH 2/3] copyfile: sendfile Christoph Hellwig
2004-09-04 17:16 ` Jörn Engel
2004-09-04 17:12 ` [PATCH 1/3] copyfile: generic_sendpage Christoph Hellwig
2004-09-04 17:22 ` Jörn Engel
2004-09-04 17:25 ` Christoph Hellwig
2004-09-07 8:32 ` Jan Blunck
2004-09-04 22:39 ` Andrew Morton
2004-09-05 0:16 ` William Lee Irwin III
2004-09-05 0:23 ` Andrew Morton [this message]
2004-09-06 11:54 ` Jörn Engel
2004-09-06 12:45 ` Gunnar Ritter
2004-09-06 13:35 ` Jörn Engel
2004-09-06 14:32 ` Gunnar Ritter
2004-09-06 14:46 ` Oliver Neukum
2004-09-06 15:51 ` Gunnar Ritter
2004-09-07 11:09 ` Jörn Engel
2004-09-07 11:45 ` Jörn Engel
2004-09-07 12:03 ` Gunnar Ritter
2004-09-07 12:08 ` Jörn Engel
2004-09-07 12:32 ` Gunnar Ritter
2004-09-07 11:48 ` Gunnar Ritter
2004-09-07 12:04 ` Jörn Engel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040904172349.7e39da22.akpm@osdl.org \
--to=akpm@osdl.org \
--cc=joern@wohnheim.fh-wedel.de \
--cc=linux-kernel@vger.kernel.org \
--cc=wli@holomorphy.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox