linux-hardening - Re: [PATCH v8 0/4] Introduce mseal

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Date: Thu, 1 Feb 2024 19:46:32 -0800
From: Jeff Xu <jeffxu@...omium.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Greg KH <gregkh@...uxfoundation.org>, "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
	Jonathan Corbet <corbet@....net>, akpm@...ux-foundation.org, keescook@...omium.org, 
	jannh@...gle.com, sroettger@...gle.com, willy@...radead.org, 
	usama.anjum@...labora.com, rdunlap@...radead.org, jeffxu@...gle.com, 
	jorgelo@...omium.org, groeck@...omium.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, linux-mm@...ck.org, pedro.falcato@...il.com, 
	dave.hansen@...el.com, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v8 0/4] Introduce mseal

On Thu, Feb 1, 2024 at 7:29 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Thu, 1 Feb 2024 at 19:24, Jeff Xu <jeffxu@...omium.org> wrote:
> >
> > The patch Stephan developed was based on V1 of the patch, IIRC, which
> > is really ancient, and it is not based on MAP_SEALABLE, which is a
> > more recent development entirely from me.
>
> So the problem with this whole patch series from the very beginning
> was that it was very specialized, and COMPLETELY OVER-ENGINEERED.
>
> It got simpler at one point. And then you started adding these
> features that have absolutely no reason for them. Again.
>
> It's frustrating. And it's not making it more likely to be ever merged.
>
I'm sorry for over-thinking.
Remove the MAP_SEALABLE it is then.

Keep with mseal(addr,len,0) only ?

-Jeff
>