From: kaih@khms.westfalen.de (Kai Henningsen)
To: linux-kernel@vger.kernel.org
Subject: Re: Security question: "Text file busy" overwriting executables but no
Date: 04 Oct 2001 21:28:00 +0200 [thread overview]
Message-ID: <8ADlR04Xw-B@khms.westfalen.de> (raw)
In-Reply-To: <Pine.GSO.4.21.0110041153560.28270-100000@weyl.math.psu.edu>
In-Reply-To: <Pine.LNX.4.33.0110040842320.8350-100000@penguin.transmeta.com> <Pine.GSO.4.21.0110041153560.28270-100000@weyl.math.psu.edu>
viro@math.psu.edu (Alexander Viro) wrote on 04.10.01 in <Pine.GSO.4.21.0110041153560.28270-100000@weyl.math.psu.edu>:
>
> On Thu, 4 Oct 2001, Linus Torvalds wrote:
>
> > In short, now you need filesystem versioning at a per-page level etc.
>
> *ding* *ding* *ding* we have a near winner. Remember, folks, Hurd had been
> started by people who not only don't understand UNIX, but detest it.
> ITS/TWENEX refugees. And semantics in question comes from there -
> they had "open and make sure that anyone who tries to modify will get
> a new version, leaving one we'd opened unchanged".
Sounds to me like it could be done ... *if* you had per-process filesystem
snapshot capability.
Of course, that's using ICBMs to swat mosquitos. I don't recommend it just
for implementing a mmap() flag.
MfG Kai
next prev parent reply other threads:[~2001-10-04 21:21 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-03 12:49 Security question: "Text file busy" overwriting executables but not shared libraries? Jesse Pollard
2001-10-03 18:06 ` Eric W. Biederman
2001-10-03 23:20 ` Rob Landley
2001-10-04 3:38 ` Eric W. Biederman
2001-10-04 4:19 ` Alexander Viro
2001-10-04 6:15 ` Eric W. Biederman
2001-10-04 8:21 ` CaT
2001-10-04 8:35 ` john slee
2001-10-04 8:45 ` CaT
2001-10-04 13:11 ` Eric W. Biederman
2001-10-04 14:24 ` Kernel size Richard B. Johnson
2001-10-13 20:35 ` Aaron Lehmann
2001-10-04 8:30 ` Security question: "Text file busy" overwriting executables but not shared libraries? Ville Herva
2001-10-04 9:46 ` Erik Andersen
2001-10-04 19:50 ` Security question: "Text file busy" overwriting executables but no Kai Henningsen
2001-10-04 8:53 ` Security question: "Text file busy" overwriting executables but not shared libraries? Andreas Schwab
2001-10-04 13:23 ` Eric W. Biederman
2001-10-04 9:12 ` Bloatware (was Re: Security question: "Text file busy"...) VDA
2001-10-04 5:38 ` Security question: "Text file busy" overwriting executables but not shared libraries? Linus Torvalds
2001-10-04 5:44 ` Alexander Viro
2001-10-04 5:49 ` Linus Torvalds
2001-10-04 15:01 ` Eric W. Biederman
2001-10-04 15:49 ` Linus Torvalds
2001-10-04 16:02 ` Richard Gooch
2001-10-04 16:20 ` Andreas Schwab
2001-10-04 17:19 ` Richard Gooch
2001-10-04 16:11 ` Alexander Viro
2001-10-04 19:28 ` Kai Henningsen [this message]
2001-10-04 17:25 ` Eric W. Biederman
2001-10-13 14:53 ` Jamie Lokier
2001-10-13 17:13 ` Linus Torvalds
2001-10-13 18:18 ` Rik van Riel
2001-10-13 18:40 ` Pablo Alcaraz
2001-10-13 19:05 ` Jamie Lokier
2001-10-13 18:54 ` Jamie Lokier
2001-10-13 19:23 ` Linus Torvalds
2001-10-13 19:46 ` Jamie Lokier
2001-10-13 21:43 ` Aaron Lehmann
2001-10-13 22:27 ` Eric W. Biederman
2001-10-13 22:50 ` Aaron Lehmann
2001-10-15 11:24 ` Jamie Lokier
2001-10-13 22:19 ` Linus Torvalds
2001-10-14 6:49 ` Eric W. Biederman
2001-10-14 8:17 ` Xavier Bestel
2001-10-14 15:40 ` Linus Torvalds
2001-10-14 18:49 ` Eric W. Biederman
2001-10-15 11:43 ` Jamie Lokier
2001-10-13 22:41 ` Richard Gooch
2001-10-15 11:35 ` Jamie Lokier
2001-10-15 11:51 ` Alexander Viro
2001-10-15 12:29 ` Jamie Lokier
2001-10-13 22:27 ` Linus Torvalds
2001-10-14 12:57 ` Security question: "Text file busy" overwriting executables but no Kai Henningsen
2001-10-14 21:43 ` Security question: "Text file busy" overwriting executables but not shared libraries? Mark H. Wood
2001-10-04 5:53 ` Richard Gooch
2001-10-04 20:39 ` Security question: "Text file busy" overwriting executables but Alan Cox
2001-10-05 16:30 ` Eric W. Biederman
2001-10-05 16:58 ` Linus Torvalds
2001-10-05 17:35 ` Horst von Brand
2001-10-05 17:44 ` Linus Torvalds
2001-10-05 18:51 ` Oliver Xymoron
2001-10-06 19:05 ` Eric W. Biederman
2001-10-14 8:02 ` [RFC] "Text file busy" when overwriting libraries Eric W. Biederman
2001-10-14 12:08 ` Alan Cox
2001-10-14 20:48 ` Eric W. Biederman
2001-10-15 1:44 ` Alan Cox
2001-10-15 2:06 ` Linus Torvalds
2001-10-15 10:11 ` Eric W. Biederman
2001-10-15 11:54 ` Alan Cox
2001-10-15 11:57 ` Alexander Viro
2001-10-15 12:08 ` Alan Cox
2001-10-15 12:11 ` Alexander Viro
2001-10-04 6:50 ` Security question: "Text file busy" overwriting executables but not shared libraries? George Greer
2001-10-04 12:54 ` John Levon
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