From: Felix von Leitner <leitner@convergence.de>
To: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: O_ANY [was: Re: 'native files', 'object fingerprints' [was: sendpath()]]
Date: Tue, 16 Jan 2001 15:40:13 +0100 [thread overview]
Message-ID: <20010116154013.C32180@convergence.de> (raw)
In-Reply-To: <20010116061342.C12650@cadcamlab.org> <Pine.LNX.4.30.0101161329230.947-100000@elte.hu>
In-Reply-To: <Pine.LNX.4.30.0101161329230.947-100000@elte.hu>; from mingo@elte.hu on Tue, Jan 16, 2001 at 01:33:44PM +0100
Thus spake Ingo Molnar (mingo@elte.hu):
> if you read my (radical) proposal, the identification is based on a kernel
> pointer and a 256-bit random integer. So non-negative integers are not
> needed. (file-IO system-calls would be modified to detect if 'Unix file
> descriptors' or pointers to 'native file descriptors' are passed to them,
> so this is truly radical.)
Yuck, don't pass pointers in kernel space to user space!
NT does it and look what kernel call argument verification havoc it
wrought over them!
Felix
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next prev parent reply other threads:[~2001-01-16 14:40 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-14 18:29 Is sendfile all that sexy? jamal
2001-01-14 18:50 ` Ingo Molnar
2001-01-14 19:02 ` jamal
2001-01-14 19:09 ` Ingo Molnar
2001-01-14 19:18 ` jamal
2001-01-14 20:22 ` Linus Torvalds
2001-01-14 20:38 ` Ingo Molnar
2001-01-14 21:44 ` Linus Torvalds
2001-01-14 21:49 ` Ingo Molnar
2001-01-14 21:54 ` Gerhard Mack
2001-01-14 22:40 ` Linus Torvalds
2001-01-14 22:45 ` J Sloan
2001-01-15 20:15 ` H. Peter Anvin
2001-01-15 3:43 ` Michael Peddemors
2001-01-15 13:02 ` Florian Weimer
2001-01-15 13:45 ` Tristan Greaves
2001-01-15 1:14 ` Dan Hollis
2001-01-15 15:24 ` Jonathan Thackray
2001-01-15 15:36 ` Matti Aarnio
2001-01-15 20:17 ` H. Peter Anvin
2001-01-15 16:05 ` dean gaudet
2001-01-15 18:34 ` Jonathan Thackray
2001-01-15 18:46 ` Linus Torvalds
2001-01-15 20:47 ` [patch] sendpath() support, 2.4.0-test3/-ac9 Ingo Molnar
2001-01-16 4:51 ` dean gaudet
2001-01-16 4:59 ` Linus Torvalds
2001-01-16 9:48 ` 'native files', 'object fingerprints' [was: sendpath()] Ingo Molnar
2000-01-01 2:02 ` Pavel Machek
2001-01-16 11:13 ` Andi Kleen
2001-01-16 11:26 ` Ingo Molnar
2001-01-16 11:37 ` Andi Kleen
2001-01-16 12:04 ` O_ANY [was: Re: 'native files', 'object fingerprints' [was: sendpath()]] Ingo Molnar
2001-01-16 12:09 ` Ingo Molnar
2001-01-16 12:13 ` Peter Samuelson
2001-01-16 12:33 ` Ingo Molnar
2001-01-16 14:40 ` Felix von Leitner [this message]
2001-01-16 12:34 ` Andi Kleen
2001-01-16 13:00 ` Mitchell Blank Jr
2001-01-16 13:57 ` 'native files', 'object fingerprints' [was: sendpath()] Jamie Lokier
2001-01-16 14:27 ` Felix von Leitner
2001-01-16 17:47 ` Linus Torvalds
2001-01-17 4:39 ` dean gaudet
2001-01-16 9:19 ` [patch] sendpath() support, 2.4.0-test3/-ac9 Ingo Molnar
2001-01-17 0:03 ` dean gaudet
2001-01-15 18:58 ` Is sendfile all that sexy? dean gaudet
2001-01-15 19:41 ` Ingo Molnar
2001-01-15 20:33 ` Albert D. Cahalan
2001-01-15 21:00 ` Linus Torvalds
2001-01-16 10:40 ` Felix von Leitner
2001-01-16 11:56 ` Peter Samuelson
2001-01-16 12:37 ` Ingo Molnar
2001-01-16 12:42 ` Ingo Molnar
2001-01-16 12:47 ` Felix von Leitner
2001-01-16 13:48 ` Jamie Lokier
2001-01-16 14:20 ` Felix von Leitner
2001-01-16 15:05 ` David L. Parsley
2001-01-16 15:05 ` Jakub Jelinek
2001-01-16 15:46 ` David L. Parsley
2001-01-18 14:00 ` Laramie Leavitt
2001-01-17 19:27 ` dean gaudet
2001-01-24 0:58 ` Sasi Peter
2001-01-24 8:44 ` James Sutherland
2001-01-25 10:20 ` Anton Blanchard
2001-01-25 10:58 ` Sasi Peter
2001-01-26 6:10 ` Anton Blanchard
2001-01-26 11:46 ` David S. Miller
2001-01-26 14:12 ` Anton Blanchard
2001-01-15 23:16 ` Pavel Machek
2001-01-16 13:47 ` jamal
2001-01-16 14:41 ` Pavel Machek
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