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: <aCwsNSEoxfs4DOvi@eldamar.lan>
Date: Tue, 20 May 2025 09:16:05 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: Christian Hesse <list@...rm.de>
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")

H Christian,

On Tue, May 20, 2025 at 08:34:38AM +0200, Christian Hesse wrote:
> 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/

Sorry missed that one! Ack, so let's continue in that thread (worth
looping in the regressions list though?)

Regards,
Salvatore