From: Christoph Hellwig <hch@lst.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Christoph Hellwig <hch@lst.de>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org
Subject: Re: devpts multiple instances feedback
Date: Sun, 1 Feb 2009 17:29:58 +0100 [thread overview]
Message-ID: <20090201162958.GA3416@lst.de> (raw)
In-Reply-To: <20090126215853.5cb30d29@lxorguk.ukuu.org.uk>
On Mon, Jan 26, 2009 at 09:58:53PM +0000, Alan Cox wrote:
> > > That was also one of the reasons for the default 000 mode on the pts/ptmx
> > > device node
> >
> > So just make it 000 but always created it.
>
> That still allows it to be subverted with some security rulesets -
> remember root can open a 000 file by default.
root can also mknod device nodes by default.
next prev parent reply other threads:[~2009-02-01 16:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-03 15:52 devpts multiple instances feedback Christoph Hellwig
2009-01-03 16:15 ` Christoph Hellwig
2009-01-26 21:53 ` Christoph Hellwig
2009-01-27 3:32 ` Sukadev Bhattiprolu
2009-01-05 21:09 ` Sukadev Bhattiprolu
2009-01-26 21:55 ` Christoph Hellwig
2009-01-26 21:58 ` Alan Cox
2009-02-01 16:29 ` Christoph Hellwig [this message]
2009-02-01 16:41 ` Alan Cox
2009-01-26 21:58 ` H. Peter Anvin
2009-02-01 16:31 ` Christoph Hellwig
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