From: Christoph Hellwig <hch@infradead.org>
To: Theodore Tso <tytso@mit.edu>
Cc: Christoph Hellwig <hch@infradead.org>,
Deepanshu Kartikey <kartikey406@gmail.com>,
axboe@kernel.dk, dvyukov@google.com, adilger.kernel@dilger.ca,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
syzbot+fb32afec111a7d61b939@syzkaller.appspotmail.com
Subject: Re: [PATCH v2] loop: block changing lo_offset/lo_sizelimit on mounted device
Date: Tue, 31 Mar 2026 08:02:40 -0700 [thread overview]
Message-ID: <acviEBik3OrtfiRV@infradead.org> (raw)
In-Reply-To: <20260331122408.GB74409@macsyma-wired.lan>
On Tue, Mar 31, 2026 at 08:24:08AM -0400, Theodore Tso wrote:
> Do we expect people to seriously be running with
> !CONFIG_BLK_DEV_WRITE_MOUNTED?
Yes, it's the only sane option.
> I view this as a syzkaller noise
> suppression only. As I mentioned earlier this option will very likely
> break grub.
Yes, the horrible things grub does won't work with this. But I thought
with EFI-based systems people had mostly stopped using the access
to the root file system misfeature in grub. And a lot of specialized
distros seem to stop using grub entirely.
prev parent reply other threads:[~2026-03-31 15:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 5:46 [PATCH v2] loop: block changing lo_offset/lo_sizelimit on mounted device Deepanshu Kartikey
2026-03-31 7:22 ` Christoph Hellwig
2026-03-31 12:24 ` Theodore Tso
2026-03-31 15:02 ` Christoph Hellwig [this message]
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