From: Miquel van Smoorenburg <miquels@cistron.nl>
To: Horst von Brand <brand@jupiter.cs.uni-dortmund.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: rm-ing files with open file descriptors
Date: Sat, 19 Jan 2002 18:53:42 +0100 [thread overview]
Message-ID: <20020119185342.A27582@cistron.nl> (raw)
In-Reply-To: <miquels@cistron.nl> <200201191521.g0JFL1sv002752@tigger.cs.uni-dortmund.de>
In-Reply-To: <200201191521.g0JFL1sv002752@tigger.cs.uni-dortmund.de>; from brand@jupiter.cs.uni-dortmund.de on Sat, Jan 19, 2002 at 04:21:01PM +0100
According to Horst von Brand:
> > I now have a flink-test2.txt file. That is pretty cool ;)
>
> This is a possible security risk: The unlinking program thinks the file is
> forever inaccessible, but it isn't...
Why. If you keep an fd open to it it's accessible anyway, and if
you like you can copy it to a new file. Or you could link(2) it
beforehand, etc etc
Mike.
next prev parent reply other threads:[~2002-01-19 17:54 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-18 21:11 rm-ing files with open file descriptors Doug Alcorn
2002-01-18 21:27 ` Xavier Bestel
2002-01-18 21:28 ` Ken Brownfield
2002-01-19 20:23 ` Rob Landley
2002-01-18 21:49 ` Richard B. Johnson
2002-01-19 0:50 ` Miquel van Smoorenburg
2002-01-19 2:29 ` H. Peter Anvin
2002-01-19 10:57 ` Xavier Bestel
2002-01-19 11:10 ` Miquel van Smoorenburg
2002-01-19 11:28 ` Alexander Viro
2002-01-19 12:01 ` Miquel van Smoorenburg
2002-01-23 12:18 ` Pavel Machek
2002-01-24 9:46 ` Herbert Xu
2002-01-19 17:44 ` Kai Henningsen
2002-01-20 15:30 ` Richard Kettlewell
2002-01-20 18:21 ` Doug McNaught
2002-01-20 23:10 ` Miquel van Smoorenburg
2002-01-20 3:55 ` Chris Wedgwood
2002-01-19 15:21 ` Horst von Brand
2002-01-19 15:32 ` Mr. James W. Laferriere
2002-01-19 20:26 ` Rob Landley
2002-01-19 17:53 ` Miquel van Smoorenburg [this message]
2002-01-20 15:48 ` Horst von Brand
2002-01-19 20:24 ` Rob Landley
2002-01-19 11:15 ` Ville Herva
2002-01-19 12:16 ` Matthias Schniedermeyer
2002-01-19 12:22 ` Xavier Bestel
2002-01-19 12:29 ` Alexander Viro
2002-01-19 12:46 ` Xavier Bestel
2002-01-19 13:18 ` Rogier Wolff
2002-01-19 15:24 ` Horst von Brand
2002-01-19 14:50 ` Horst von Brand
2002-01-20 14:23 ` Remi Turk
2002-01-20 20:02 ` Ville Herva
2002-01-20 20:44 ` Andreas Ferber
2002-01-20 21:08 ` Ville Herva
2002-01-21 9:06 ` Horst von Brand
2002-01-21 9:21 ` Ville Herva
2002-01-18 21:59 ` J Sloan
2002-01-19 4:18 ` Andreas Bombe
2002-01-19 14:51 ` christophe barbé
2002-01-19 18:01 ` Kai Henningsen
2002-01-20 3:43 ` christophe barbé
-- strict thread matches above, loose matches on Subject: below --
2002-01-18 22:11 Hank Leininger
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