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Message-ID: <ZoOuSxRlvEQ5rOqn@infradead.org>
Date: Tue, 2 Jul 2024 00:37:47 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Jeff Layton <jlayton@...nel.org>
Cc: "Darrick J. Wong" <djwong@...nel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Chandan Babu R <chandan.babu@...cle.com>,
	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>, Chris Mason <clm@...com>,
	Josef Bacik <josef@...icpanda.com>, David Sterba <dsterba@...e.com>,
	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>, kernel-team@...com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
	linux-ext4@...r.kernel.org, linux-btrfs@...r.kernel.org,
	linux-mm@...ck.org, linux-nfs@...r.kernel.org
Subject: Re: [PATCH 01/10] fs: turn inode ctime fields into a single ktime_t

On Mon, Jul 01, 2024 at 08:22:07PM -0400, Jeff Layton wrote:
> 2) the filesystem has been altered (fuzzing? deliberate doctoring?).
> 
> None of these seem like legitimate use cases so I'm arguing that we
> shouldn't worry about them.

Not worry seems like the wrong answer here.  Either we decide they
are legitimate enough and we preserve them, or we decide they are
bogus and refuse reading the inode.  But we'll need to consciously
deal with the case.


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