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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Olaf Hering <olh@suse.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
	Jesse Pollard <jesse@cats-chateau.net>,
	linux-os <linux-os@analogic.com>,
	John Richard Moser <nigelenki@comcast.net>,
	dtor_core@ameritech.net, Bill Davidsen <davidsen@tmr.com>,
	Valdis.Kletnieks@vt.edu, Arjan van de Ven <arjan@infradead.org>,
	Ingo Molnar <mingo@elte.hu>,
	Christoph Hellwig <hch@infradead.org>,
	Dave Jones <davej@redhat.com>, Andrew Morton <akpm@osdl.org>,
	marcelo.tosatti@cyclades.com, Greg KH <greg@kroah.com>,
	chrisw@osdl.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: thoughts on kernel security issues
Date: Sun, 30 Jan 2005 15:39:47 +0000	[thread overview]
Message-ID: <1106856939.14787.53.camel@localhost.localdomain> (raw)
In-Reply-To: <20050126191501.GA26920@suse.de>

On Mer, 2005-01-26 at 19:15, Olaf Hering wrote:
> And, did that nice interface help at all? No, it did not.
> Noone made seqfile mandatory in 2.6.
> Now we have a few nice big patches to carry around because every driver
> author had its own proc implementation. Well done...

seqfile has helped immensely from what I can see. And gradually it takes
over the kernel because each time someone has a broken proc driver it is
easier to rewrite it in seq_file than fix it any other way.

All good API's work that way, and they really do work. You only have to
look at things like the statistics for Gnome application string caused
security errors versus those for generic C apps to see the huge effect
stuff like g_string classes have had on reliability.

We need *more* API's like this - we are lacking some nice helpers for
simple block/char devices and also lacking a "call under lock" construct
which avoids forgetting to drop locks for example.

Alan


  parent reply	other threads:[~2005-01-30 16:48 UTC|newest]

Thread overview: 212+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-12 17:48 thoughts on kernel security issues Chris Wright
2005-01-12 15:06 ` Marcelo Tosatti
2005-01-12 18:49   ` Chris Wright
2005-01-12 18:05 ` Linus Torvalds
2005-01-12 18:44   ` Chris Wright
2005-01-12 18:57     ` Linus Torvalds
2005-01-12 19:21       ` Chris Wright
2005-01-12 20:59       ` Jesper Juhl
2005-01-12 21:27       ` Greg KH
2005-01-12 18:51   ` Greg KH
2005-01-12 19:01     ` Linus Torvalds
2005-01-12 16:12       ` Marcelo Tosatti
2005-01-12 20:00         ` Linus Torvalds
2005-01-12 17:42           ` Marcelo Tosatti
2005-01-13 15:36             ` Alan Cox
2005-01-13 17:22               ` Marcelo Tosatti
2005-01-13 21:20                 ` Alan Cox
2005-01-13 17:52               ` Florian Weimer
2005-01-13 19:42               ` Marek Habersack
2005-01-13 19:19                 ` Alan Cox
2005-01-13 20:44                   ` Marek Habersack
2005-01-14 10:22                     ` Wichert Akkerman
2005-01-14 12:10                       ` Julian T. J. Midgley
2005-01-14 14:52                         ` Florian Weimer
2005-01-14 15:12                           ` Julian T. J. Midgley
2005-01-15  0:33                             ` Alan Cox
2005-01-14 13:55                       ` Marek Habersack
2005-01-13 19:50                 ` Chris Wright
2005-01-13 20:29                   ` Marek Habersack
2005-01-13 19:41                     ` Alan Cox
2005-01-13 20:57                       ` Arjan van de Ven
2005-01-13 21:22                         ` Linus Torvalds
2005-01-13 21:15                           ` Alan Cox
2005-01-13 22:41                             ` Linus Torvalds
2005-01-13 21:41                           ` Arjan van de Ven
2005-01-13 21:02                       ` Marek Habersack
2005-01-13 21:30                         ` Dave Jones
2005-01-13 21:48                           ` Marek Habersack
2005-01-13 22:06                             ` Dave Jones
2005-01-13 22:21                               ` Marek Habersack
2005-01-13 23:30                               ` Jesper Juhl
2005-01-15  0:34                                 ` Alan Cox
2005-01-15  2:56                                   ` Marcin Dalecki
2005-01-13 20:03                 ` Dave Jones
2005-01-13 20:10                   ` Linus Torvalds
2005-01-13 19:27                     ` Alan Cox
2005-01-13 21:03                       ` Linus Torvalds
2005-01-13 21:25                         ` Alan Cox
2005-01-13 22:47                           ` Linus Torvalds
2005-01-13 23:15                           ` Chris Wright
2005-01-14 18:34                         ` Theodore Ts'o
2005-01-14 19:15                           ` Linus Torvalds
2005-01-14 22:13                             ` Theodore Ts'o
2005-01-14 22:51                               ` Linus Torvalds
2005-01-15  0:34                                 ` Alan Cox
2005-01-15  4:19                                   ` Linus Torvalds
2005-01-15  5:36                                 ` Rik van Riel
2005-01-18 22:27                             ` Bill Davidsen
2005-01-19  2:34                               ` Alban Browaeys
2005-01-19 19:13                                 ` Bill Davidsen
2005-01-13 20:32                   ` Marek Habersack
2005-01-12 20:27           ` Chris Wright
2005-01-12 20:57             ` Greg KH
2005-01-13 15:36               ` Alan Cox
2005-01-12 21:20             ` Andrea Arcangeli
2005-01-12 20:28           ` Linus Torvalds
2005-01-12 18:03             ` Marcelo Tosatti
2005-01-13  3:18             ` Christian
2005-01-12 20:53           ` Dave Jones
2005-01-12 20:59             ` Greg KH
2005-01-13  2:09             ` Linus Torvalds
2005-01-13  2:28               ` Andrew Morton
2005-01-13  2:51                 ` Linus Torvalds
2005-01-13  3:05                   ` David Blomberg
2005-01-13  2:56                 ` Greg KH
2005-01-13  3:01                 ` Chris Wright
2005-01-13  3:35                 ` Dave Jones
2005-01-13  3:42                   ` Andrew Morton
2005-01-13  3:54                     ` Chris Wright
2005-01-13  4:49                     ` William Lee Irwin III
2005-01-13  6:54                       ` Andrew Morton
2005-01-13  7:19                         ` William Lee Irwin III
2005-01-13  7:25                         ` Matt Mackall
2005-01-13  4:48                   ` Linus Torvalds
2005-01-13  5:51                     ` Barry K. Nathan
2005-01-13  7:28                     ` Matt Mackall
2005-01-13  7:42                       ` Willy Tarreau
2005-01-13  8:02                         ` David Lang
2005-01-13 10:05                           ` Willy Tarreau
2005-01-13  8:23                     ` Christoph Hellwig
2005-01-13 16:38                       ` Linus Torvalds
2005-01-13 16:12                         ` Alan Cox
2005-01-13 17:33                           ` Linus Torvalds
2005-01-13 17:49                             ` Chris Wright
2005-01-13 18:53                             ` Alan Cox
2005-01-13 18:59                             ` John Richard Moser
2005-01-13 19:22                               ` Norbert van Nobelen
2005-01-13 19:35                                 ` John Richard Moser
2005-01-13 19:46                               ` Linus Torvalds
2005-01-13 19:57                                 ` John Richard Moser
2005-01-14 12:39                             ` Horst von Brand
2005-01-14 15:45                               ` Linus Torvalds
2005-01-14 15:52                                 ` Arjan van de Ven
2005-01-14 15:57                                 ` Stephen Smalley
2005-01-14 16:17                                   ` Stephen Smalley
2005-01-15  0:33                                 ` Alan Cox
2005-01-13 17:01                         ` Arjan van de Ven
2005-01-13 17:19                           ` Linus Torvalds
2005-01-13 17:45                             ` Arjan van de Ven
2005-01-13 18:31                             ` John Richard Moser
2005-01-19 10:30                               ` Ingo Molnar
2005-01-19 17:20                                 ` John Richard Moser
2005-01-19 17:47                                   ` Ingo Molnar
2005-01-19 18:35                                     ` John Richard Moser
2005-01-19 18:55                                       ` Arjan van de Ven
2005-01-19 19:46                                         ` John Richard Moser
2005-01-19 19:53                                           ` Arjan van de Ven
2005-01-20  8:46                                           ` [Lists-linux-kernel-news] " Ingo Molnar
2005-01-20  8:35                                       ` Ingo Molnar
2005-01-20 10:44                                       ` Ingo Molnar
2005-01-20 18:16                                         ` John Richard Moser
2005-01-20 18:53                                           ` Valdis.Kletnieks
2005-01-20 18:55                                           ` Arjan van de Ven
2005-01-20 19:17                                             ` John Richard Moser
2005-01-20 19:22                                           ` Christoph Hellwig
2005-01-20 21:24                                             ` John Richard Moser
2005-01-19 17:52                                   ` Arjan van de Ven
2005-01-19 18:50                                     ` John Richard Moser
2005-01-19 19:47                                       ` Valdis.Kletnieks
2005-01-19 19:53                                         ` Arjan van de Ven
2005-01-19 20:44                                           ` Valdis.Kletnieks
2005-01-19 20:12                                         ` John Richard Moser
2005-01-19 20:42                                           ` Valdis.Kletnieks
2005-01-19 21:03                                             ` John Richard Moser
2005-01-19 22:02                                               ` Splitting up grsecurity and PAX (was " Valdis.Kletnieks
2005-01-19 20:47                                           ` Diego Calleja
2005-01-25 15:05                                         ` Bill Davidsen
2005-01-25 15:52                                           ` Linus Torvalds
2005-01-25 17:27                                             ` Bill Davidsen
2005-01-25 18:01                                               ` John Richard Moser
2005-01-25 18:30                                                 ` Linus Torvalds
2005-01-25 18:37                                                   ` John Richard Moser
2005-01-25 18:57                                                     ` Dmitry Torokhov
2005-01-25 19:56                                                       ` John Richard Moser
2005-01-25 20:25                                                         ` J. Bruce Fields
2005-01-25 20:29                                                           ` John Richard Moser
2005-01-25 20:46                                                             ` J. Bruce Fields
2005-01-25 20:53                                                         ` Valdis.Kletnieks
2005-01-25 20:59                                                           ` John Richard Moser
2005-01-25 21:05                                                         ` linux-os
2005-01-25 21:20                                                           ` John Richard Moser
2005-01-26 15:15                                                           ` Jesse Pollard
2005-01-26 16:09                                                             ` Linus Torvalds
2005-01-26 19:15                                                               ` Olaf Hering
2005-01-26 19:28                                                                 ` Linus Torvalds
2005-01-26 19:38                                                                   ` Olaf Hering
2005-01-26 19:53                                                                     ` Linus Torvalds
2005-01-30 15:39                                                                 ` Alan Cox [this message]
2005-01-26 19:24                                                               ` John Richard Moser
2005-01-26 19:56                                                             ` Bill Davidsen
2005-01-27 16:37                                                               ` Jesse Pollard
2005-01-27 17:18                                                                 ` Zan Lynx
2005-01-27 22:18                                                                   ` Jesse Pollard
2005-01-27 23:20                                                                   ` Bill Davidsen
2005-01-27 23:36                                                                     ` John Richard Moser
2005-01-28  0:23                                                                       ` linux-os
2005-01-28  0:15                                                                   ` Krzysztof Halasa
2005-01-26  0:01                                                         ` Bill Davidsen
2005-01-26  0:40                                                           ` John Richard Moser
2005-01-25 19:05                                                     ` Linus Torvalds
2005-01-25 20:03                                                       ` John Richard Moser
2005-01-25 21:17                                                         ` Al Viro
2005-01-26 16:06                                                         ` Sytse Wielinga
2005-01-26 19:31                                                           ` John Richard Moser
2005-01-26 19:50                                                             ` Valdis.Kletnieks
2005-01-26 20:02                                                               ` John Richard Moser
2005-01-26 20:26                                                             ` Sytse Wielinga
2005-01-26 20:39                                                               ` John Richard Moser
2005-01-26 20:49                                                                 ` Sytse Wielinga
2005-01-25 18:08                                               ` Linus Torvalds
2005-01-14 21:57                             ` Russell King
2005-01-19 12:56                     ` Pavel Machek
2005-01-19 20:02                     ` Bill Davidsen
2005-01-13  4:49                   ` William Lee Irwin III
2005-01-13  5:19                     ` Dave Jones
2005-01-13 15:36                 ` Alan Cox
2005-01-13  3:25               ` Dave Jones
2005-01-13  3:53                 ` Marek Habersack
2005-01-13  5:38                   ` Barry K. Nathan
2005-01-13  8:59                     ` Florian Weimer
2005-01-13 15:31                       ` Barry K. Nathan
2005-01-13 15:36                       ` Alan Cox
2005-01-13 19:25                     ` thoughts on kernel security issuesiig Marek Habersack
2005-01-13 15:36                   ` thoughts on kernel security issues Alan Cox
2005-01-13 19:25                     ` Christoph Hellwig
2005-01-13 19:33                       ` Dave Jones
2005-01-13 19:35                         ` Christoph Hellwig
2005-01-13 18:55                           ` Alan Cox
2005-01-13 19:59                           ` Dave Jones
2005-01-13 19:36                     ` Marek Habersack
2005-01-13  8:23               ` Florian Weimer
2005-01-13 16:00               ` Kristofer T. Karas
2005-01-13  3:37         ` Rik van Riel
2005-01-12 19:18       ` Greg KH
2005-01-12 19:38         ` Chris Wright
2005-01-12 19:41         ` Florian Weimer
2005-01-12 23:10           ` Chris Wright
2005-01-12 19:43 ` Florian Weimer
2005-01-12 22:46   ` Chris Wright
  -- strict thread matches above, loose matches on Subject: below --
2005-01-12 20:49 Hubert Tonneau
2005-01-13 17:29 ` Chris Wright
2005-02-27 12:38 linux

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