linux-kernel - Re: [6.12.y regression] loosetup: failed to set up loop device: Invalid argument after 184b147b9f7f ("loop: Add sanity check for read/write

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Message-ID: <20250520083438.295e415a@leda.eworm.net>
Date: Tue, 20 May 2025 08:34:38 +0200
From: Christian Hesse <list@...rm.de>
To: Salvatore Bonaccorso <carnil@...ian.org>
Cc: Roland Clobus <rclobus@...obus.nl>, Lizhi Xu <lizhi.xu@...driver.com>,
 Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
 1106070@...s.debian.org, linux-block@...r.kernel.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org,
 regressions@...ts.linux.dev
Subject: Re: [6.12.y regression] loosetup: failed to set up loop device:
 Invalid argument after 184b147b9f7f ("loop: Add sanity check for
 read/write_iter")

Salvatore Bonaccorso <carnil@...ian.org> on Tue, 2025/05/20 07:57:
> In Debian Roland Clobus reported a regression with setting up loop
> devices from a backing squashfs file lying on read-only mounted target
> directory from a iso.
> 
> The original report is at:
> https://bugs.debian.org/1106070

We are suffering the same for Arch Linux. Already reported here:

https://lore.kernel.org/all/20250519175640.2fcac001@leda.eworm.net/
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