linux-hardening - Re: [PATCH] md/md-multipath: Convert "struct mpconf" to flexible array

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Date: Mon, 11 Dec 2023 21:46:18 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Song Liu <song@...nel.org>
Cc: Kees Cook <keescook@...omium.org>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-raid@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] md/md-multipath: Convert "struct mpconf" to flexible
 array

On Fri, Dec 08, 2023 at 10:11:10AM -0800, Song Liu wrote:
> We marked it as deprecated about 2.5 years ago. But to be honest,
> I currently don't have a plan to remove it. I guess I should start thinking
> about it.

Let's just kill it off ASAP.  It never had a large user base and based
by dm-multipath not long after it has been added.  It also doesn't
support any uniqueue hardware and has no on-disk format.

If you want any blame deflected from you I'd be happy to send the patch
to remove it.