From: Jamie Lokier <jamie@shareable.org>
To: viro@parcelfarce.linux.theplanet.co.uk
Cc: Linus Torvalds <torvalds@osdl.org>, Marc <pcg@goof.com>,
Marc Lehmann <pcg@schmorp.de>,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior)
Date: Tue, 17 Feb 2004 20:38:16 +0000 [thread overview]
Message-ID: <20040217203816.GD24311@mail.shareable.org> (raw)
In-Reply-To: <20040217195348.GQ8858@parcelfarce.linux.theplanet.co.uk>
viro@parcelfarce.linux.theplanet.co.uk wrote:
> So what you are saying is that conversion of invalid multibyte sequences
> into non-error wide chars followed by conversion back into UTF-8 can
> lead to trouble? *DUH*
Yes. (The point being that it's a common bug, just like buffer
overflows are common. Rejecting malformed UTF-8 is a defensive
strategy against it).
> > The holes only arise because software which is interpreting UTF-8 is
> > mixed with software which isn't. That's one of the most useful
> > features of UTF-8, after all - that's why we use it for filenames.
>
> The holes only arise because software which is interpreting UTF-8 doesn't
> care to do it properly.
That's right. Software which does it properly rejects malformed UTF-8.
That is the entire point of my post.
> Software that doesn't interpret it (including the kernel) doesn't
> enter the picture at all.
Yes.
Your posting merely repeated what I said, so I assume we're in agreement :)
-- Jamie
next prev parent reply other threads:[~2004-02-17 20:41 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <04Feb13.163954est.41760@gpu.utcc.utoronto.ca>
2004-02-14 14:27 ` JFS default behavior Nicolas Mailhot
2004-02-14 15:40 ` viro
2004-02-14 17:47 ` Nicolas Mailhot
2004-02-14 17:59 ` Nicolas Mailhot
2004-02-14 23:06 ` Robin Rosenberg
2004-02-14 23:29 ` viro
2004-02-15 0:07 ` Robin Rosenberg
2004-02-15 2:41 ` Linus Torvalds
2004-02-15 3:33 ` Matthias Urlichs
2004-02-15 4:04 ` viro
2004-02-15 9:48 ` Robin Rosenberg
2004-02-15 18:26 ` yodaiken
2004-02-18 2:48 ` Unicode normalization (userspace issue, but what the heck) H. Peter Anvin
2004-02-20 9:48 ` Matthias Urlichs
2004-02-16 15:05 ` stty utf8 Jamie Lokier
2004-02-16 16:10 ` Gerd Knorr
2004-02-16 22:03 ` Jamie Lokier
2004-02-16 22:17 ` Linus Torvalds
2004-02-16 22:04 ` Jamie Lokier
2004-02-16 18:36 ` UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior) Marc Lehmann
2004-02-16 18:49 ` Linus Torvalds
2004-02-16 19:26 ` UTF-8 practically vs. theoretically in the VFS API Jeff Garzik
2004-02-16 19:48 ` John Bradford
2004-02-16 19:48 ` Linus Torvalds
2004-02-16 20:20 ` Marc Lehmann
2004-02-16 20:26 ` Linus Torvalds
2004-02-18 2:49 ` Rob Landley
2004-02-16 20:21 ` bert hubert
2004-02-16 20:33 ` Marc Lehmann
2004-02-18 2:58 ` H. Peter Anvin
2004-02-18 3:13 ` Linus Torvalds
2004-02-18 3:22 ` H. Peter Anvin
2004-02-18 3:30 ` Linus Torvalds
2004-02-18 5:30 ` H. Peter Anvin
2004-02-18 10:29 ` Robin Rosenberg
2004-02-18 11:49 ` Tomas Szepe
2004-02-18 11:59 ` Robin Rosenberg
2004-02-18 12:05 ` Tomas Szepe
2004-02-18 12:34 ` Robin Rosenberg
2004-02-18 15:35 ` Linus Torvalds
2004-02-18 19:47 ` Tomas Szepe
2004-02-18 20:01 ` H. Peter Anvin
2004-02-18 21:22 ` Robin Rosenberg
2004-02-18 21:42 ` H. Peter Anvin
2004-02-18 11:24 ` Jamie Lokier
2004-02-18 11:33 ` Jamie Lokier
2004-02-18 16:47 ` H. Peter Anvin
2004-02-18 19:59 ` Linus Torvalds
2004-02-18 20:08 ` H. Peter Anvin
2004-02-18 7:25 ` bert hubert
2004-02-16 20:16 ` Marc Lehmann
2004-02-16 20:20 ` Jeff Garzik
2004-02-16 21:10 ` viro
2004-02-17 7:18 ` jw schultz
2004-02-17 7:42 ` Nick Piggin
2004-02-16 20:03 ` UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior) Marc Lehmann
2004-02-16 20:23 ` Linus Torvalds
2004-02-16 20:58 ` Marc Lehmann
2004-02-17 14:12 ` Dave Kleikamp
2004-02-16 22:26 ` Jamie Lokier
2004-02-16 22:40 ` Linus Torvalds
2004-02-16 22:52 ` Linus Torvalds
2004-02-17 13:15 ` Jamie Lokier
2004-02-17 7:14 ` Lehmann
2004-02-17 11:20 ` UTF-8 practically vs. theoretically in the VFS API Helge Hafting
2004-02-17 15:56 ` UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior) Linus Torvalds
[not found] ` <20040217161111.GE8231@schmorp.de>
2004-02-17 16:32 ` Linus Torvalds
2004-02-17 16:46 ` Jamie Lokier
2004-02-17 19:00 ` UTF-8 practically vs. theoretically in the VFS API Måns Rullgård
2004-02-17 20:57 ` Jamie Lokier
2004-02-17 21:06 ` Alex Belits
2004-02-17 21:47 ` Jamie Lokier
2004-02-22 15:32 ` Eric W. Biederman
2004-02-22 16:28 ` Jamie Lokier
2004-02-22 21:53 ` Eric W. Biederman
2004-02-18 7:23 ` Marc Lehmann
2004-02-17 21:23 ` Matthew Kirkwood
2004-02-18 13:11 ` UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior) Matthew Garrett
2004-02-17 16:52 ` Marc Lehmann
2004-02-17 16:54 ` UTF-8 practically vs. theoretically in the VFS API Stefan Smietanowski
2004-02-18 1:27 ` Hans Reiser
2004-02-18 2:08 ` Robin Rosenberg
2004-02-18 11:06 ` Jamie Lokier
2004-02-17 20:37 ` UTF-8 practically vs. theoretically in the VFS API (was: Re: JFS default behavior) Robin Rosenberg
2004-02-17 16:36 ` Jamie Lokier
2004-02-17 17:52 ` viro
2004-02-17 19:29 ` Jamie Lokier
2004-02-17 19:45 ` Linus Torvalds
2004-02-17 20:30 ` Jamie Lokier
2004-02-17 20:49 ` Linus Torvalds
2004-02-17 21:17 ` Jamie Lokier
2004-02-17 19:51 ` Jamie Lokier
2004-02-17 19:53 ` viro
2004-02-17 20:35 ` John Bradford
2004-02-17 20:40 ` Jamie Lokier
2004-02-17 20:50 ` John Bradford
2004-02-17 21:04 ` Linus Torvalds
2004-02-17 21:16 ` John Bradford
2004-02-17 21:21 ` Linus Torvalds
2004-02-18 0:52 ` John Bradford
2004-02-17 22:50 ` Robin Rosenberg
2004-02-18 6:48 ` Marc Lehmann
2004-02-17 20:47 ` viro
2004-02-17 20:53 ` John Bradford
2004-02-17 20:59 ` Linus Torvalds
2004-02-17 21:06 ` John Bradford
2004-02-17 21:42 ` Alex Belits
2004-02-18 6:56 ` Marc Lehmann
2004-02-18 20:37 ` Alex Belits
2004-02-18 3:11 ` H. Peter Anvin
2004-02-17 20:38 ` Jamie Lokier [this message]
2004-02-18 3:07 ` H. Peter Anvin
2004-02-21 13:54 ` Pavel Machek
2004-02-22 20:09 ` H. Peter Anvin
2004-02-17 1:24 ` Alex Belits
2004-02-17 21:09 ` Jamie Lokier
2004-02-17 21:48 ` Linus Torvalds
2004-02-17 22:19 ` Alex Belits
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