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From: "David S. Miller" <davem@redhat.com>
To: David Korn <dgk@research.att.com>
Cc: linux-kernel@vger.kernel.org, gsf@research.att.com, netdev@oss.sgi.com
Subject: Re: kernel bug in socketpair()
Date: Wed, 23 Jul 2003 07:04:31 -0700	[thread overview]
Message-ID: <20030723070431.13859c09.davem@redhat.com> (raw)
In-Reply-To: <200307231332.JAA26197@raptor.research.att.com>

On Wed, 23 Jul 2003 09:32:09 -0400 (EDT)
David Korn <dgk@research.att.com> wrote:

[ Added netdev@oss.sgi.com, the proper place to discuss networking kernel issues. ]

> The first problem is that files created with socketpair() are not accessible
> via /dev/fd/n or /proc/$$/fd/n where n is the file descriptor returned
> by socketpair().  Note that this is not a problem with pipe().

Not a bug.

Sockets are not openable via /proc files under any circumstances,
not just the circumstances you describe.  This is a policy decision and
prevents a whole slew of potential security holes.

  reply	other threads:[~2003-07-23 13:50 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-23 13:32 kernel bug in socketpair() David Korn
2003-07-23 14:04 ` David S. Miller [this message]
2003-07-23 14:20 ` Alan Cox
2003-07-23 15:36   ` David S. Miller
2003-07-23 16:13     ` Alan Cox
2003-07-23 14:28 David Korn
2003-07-23 14:46 ` David S. Miller
2003-07-23 16:56   ` Glenn Fowler
2003-07-23 17:00     ` David S. Miller
2003-07-23 17:24       ` Glenn Fowler
2003-07-23 17:31         ` David S. Miller
2003-07-23 18:14           ` Glenn Fowler
2003-07-23 18:23             ` David S. Miller
2003-07-23 18:54               ` Glenn Fowler
2003-07-23 19:04                 ` David S. Miller
2003-07-23 19:11                   ` Glenn Fowler
2003-07-23 19:14                     ` David S. Miller
2003-07-23 19:29                       ` Glenn Fowler
2003-07-23 19:56                         ` David S. Miller
2003-07-23 22:24                         ` jw schultz
2003-07-23 19:08                 ` Alan Cox
2003-07-23 19:41       ` Andreas Jellinghaus
2003-07-23 17:50     ` Alan Cox
2003-07-23 23:27       ` Bill Rugolsky Jr.

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