linux-kernel - Re: [PATCH v4 1/1] exec: seal system mappings

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Message-ID: <qsjxqi64jolf3ywbz2sdtsrjehvvthxjvrsjvonvjmc7vrvlvp@nbn2ehiedagu>
Date: Mon, 16 Dec 2024 13:56:42 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: Jeff Xu <jeffxu@...omium.org>
Cc: Andrei Vagin <avagin@...il.com>, akpm@...ux-foundation.org,
        keescook@...omium.org, jannh@...gle.com, torvalds@...ux-foundation.org,
        adhemerval.zanella@...aro.org, oleg@...hat.com,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        linux-mm@...ck.org, jorgelo@...omium.org, sroettger@...gle.com,
        ojeda@...nel.org, adobriyan@...il.com, anna-maria@...utronix.de,
        mark.rutland@....com, linus.walleij@...aro.org, Jason@...c4.com,
        deller@....de, rdunlap@...radead.org, davem@...emloft.net, hch@....de,
        peterx@...hat.com, hca@...ux.ibm.com, f.fainelli@...il.com,
        gerg@...nel.org, dave.hansen@...ux.intel.com, mingo@...nel.org,
        ardb@...nel.org, mhocko@...e.com, 42.hyeyoo@...il.com,
        peterz@...radead.org, ardb@...gle.com, enh@...gle.com,
        rientjes@...gle.com, groeck@...omium.org, mpe@...erman.id.au,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Mike Rapoport <mike.rapoport@...il.com>,
        Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
        Andrei Vagin <avagin@...gle.com>
Subject: Re: [PATCH v4 1/1] exec: seal system mappings

* Jeff Xu <jeffxu@...omium.org> [241216 13:35]:

...

> >
> > I like the idea and I think the opt-out solution should work for CRIU.
> > CRIU will be able to call this prctl and re-execute itself.
> >
> Great! Let's iterate on the opt-out solution then.
> 

This patch set has been NACK'ed.

Please rework your solution and address all the concerns raised.  It
will not be accepted in the current form.

...

Thanks,
Liam