public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Chris Wright <chrisw@sous-sol.org>
To: Christoph Hellwig <hch@infradead.org>,
	Arjan van de Ven <arjan@infradead.org>,
	Mimi Zohar <zohar@us.ibm.com>,
	akpm@osdl.org, kjhall@linux.vnet.ibm.com,
	linux-kernel@vger.kernel.org, safford@watson.ibm.com
Subject: Re: mprotect abuse in slim
Date: Tue, 9 Jan 2007 12:54:47 -0800	[thread overview]
Message-ID: <20070109205447.GF6602@sequoia.sous-sol.org> (raw)
In-Reply-To: <20070109094625.GA11918@infradead.org>

* Christoph Hellwig (hch@infradead.org) wrote:
> On Mon, Jan 08, 2007 at 07:07:25PM -0800, Arjan van de Ven wrote:
> > maybe this is a silly question, but do you revoke not only the current
> > fd entries, but also the ones that are pending in UNIX domain sockets
> > and that are already being sent to the process? If not.. then you might
> > as well not bother ;)
> 
> Exactly.  What these folks want is revoke (maybe more fine grained, but
> that's not the point).  And guess what folks, revoke is not trivial,
> otherwise we'd have it.  If you want to volunteer to implement a full-blown
> revoke that's fine, but
> 
>   a) it belongs into core code
>   b) needs to be done right

Very much agreed.  There's way too many holes in half-way done revocation.

thanks,
-chris

  reply	other threads:[~2007-01-09 20:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-08 13:41 mprotect abuse in slim Christoph Hellwig
2007-01-08 22:38 ` Mimi Zohar
2007-01-09  3:07   ` Arjan van de Ven
2007-01-09  9:46     ` Christoph Hellwig
2007-01-09 20:54       ` Chris Wright [this message]
2007-01-09 23:14       ` Serge E. Hallyn
2007-01-10  7:21         ` Pekka J Enberg
2007-01-10 15:58           ` Serge E. Hallyn
2007-01-11  7:39             ` Pekka Enberg
2007-01-11 15:49               ` Serge E. Hallyn
2007-01-12  7:43                 ` Pekka Enberg
2007-01-12 15:17                   ` Serge E. Hallyn
2007-01-12  9:45         ` Pekka Enberg
2007-01-12 19:28           ` Serge E. Hallyn
2007-01-12 19:53             ` Pekka J Enberg
2007-01-09 21:30     ` Mimi Zohar
2007-01-09 19:27   ` Valdis.Kletnieks
2007-01-09 21:45     ` Mimi Zohar
2007-01-11 14:35   ` Pavel Machek
2007-01-12 20:08     ` Mimi Zohar

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=20070109205447.GF6602@sequoia.sous-sol.org \
    --to=chrisw@sous-sol.org \
    --cc=akpm@osdl.org \
    --cc=arjan@infradead.org \
    --cc=hch@infradead.org \
    --cc=kjhall@linux.vnet.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=safford@watson.ibm.com \
    --cc=zohar@us.ibm.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