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From: Matthias Goergens <matthias.goergens@gmail.com>
To: jack@suse.cz
Cc: benquike@gmail.com, brauner@kernel.org, viro@zeniv.linux.org.uk,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] isofs: reject short directory records in isofs_read_level3_size()
Date: Fri, 25 Sep 2026 19:22:09 +0800	[thread overview]
Message-ID: <20260925112209.911126-1-matthias.goergens@gmail.com> (raw)
In-Reply-To: <cmlro2xzle2aa7ebflvxhbcv74mea7p6qvxhin6egpdvyzyuxh@s45tpgxdal3n>

Hi Honza,

On Fri 25-09-26 11:28:18, Jan Kara wrote:
> OK, thanks for checking! BTW how did you do the check. Have you've downloaded
> all the images?

Gotta use that 10 Gbps fibre-to-the-home broadband for something!  But
no, I used a script: archive.org serves range requests, so it fetched
only the volume descriptors, path tables and directory extents of each
image, about half a megabyte per disc, and parsed those.  I'm happy to
share the script and the list of images.

> So yes, just keep the code skipping empty blocks and I'd just limit
> the number of sections + empty blocks to 100.

Will do, unless Hui would like to take it.

Thanks,
Matthias

  reply	other threads:[~2026-09-25 11:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-19 22:25 [PATCH] isofs: reject short directory records in isofs_read_level3_size() Hui Peng
2026-09-23 17:52 ` Matthias Goergens
2026-09-24 15:03   ` Jan Kara
2026-09-24 15:13     ` Matthias Goergens
2026-09-25  4:38       ` Matthias Goergens
2026-09-25  9:28         ` Jan Kara
2026-09-25 11:22           ` Matthias Goergens [this message]
2026-09-26  8:35           ` [PATCH] isofs: bound empty directory blocks " Matthias Goergens
2026-09-29 10:57             ` Jan Kara
2026-09-30  3:39               ` Matthias Goergens
2026-09-30 10:33                 ` Jan Kara
2026-10-01 10:30                   ` Matthias Goergens
2026-10-02 10:55                     ` Jan Kara

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