linux-kernel - Re: [PATCH V2] loop: Add sanity check for read/write

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Message-ID: <aA94oQekLdgnjt67@infradead.org>
Date: Mon, 28 Apr 2025 05:46:25 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Lizhi Xu <lizhi.xu@...driver.com>
Cc: hch@...radead.org, axboe@...nel.dk, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, ming.lei@...hat.com,
	syzbot+6af973a3b8dfd2faefdc@...kaller.appspotmail.com,
	syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH V2] loop: Add sanity check for read/write_iter

On Sat, Apr 26, 2025 at 09:50:28AM +0800, Lizhi Xu wrote:
> > and maybe add a blurb that vfs_iter_read/write had this check.
> It makes no sence. The current issue context does not involve vfs layer
> iter_read/write related routines.

Yes.  But explaining how a change caused a regression is good
information for a commit log.