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Message-ID: <CADYdroNw5ZPPUqXQ5Psb8ffzi47SzvJAixQgxm+vsmV9eX_kYg@mail.gmail.com>
Date:   Wed, 6 Sep 2023 12:28:27 +0200
From:   Norbert Lange <nolange79@...il.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Christian Brauner <brauner@...nel.org>,
        Laurent Vivier <laurent@...ier.eu>,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        containers@...ts.linux-foundation.org, jan.kiszka@...mens.com,
        jannh@...gle.com, avagin@...il.com, dima@...sta.com,
        James.Bottomley@...senpartnership.com
Subject: Re: [PATCH v8 1/1] ns: add binfmt_misc to the user namespace

Am Mi., 12. Juli 2023 um 21:40 Uhr schrieb Kees Cook <keescook@...omium.org>:
>
> On Fri, Jun 30, 2023 at 11:06:59AM +0200, Christian Brauner wrote:
> > On Fri, Jun 30, 2023 at 10:52:22AM +0200, Laurent Vivier wrote:
> > > Hi Norbert,
> > >
> > > Le 30/06/2023 à 10:38, Norbert Lange a écrit :
> > > > Any news on this? What remains to be done, who needs to be harrassed?
> > > >
> > > > Regards, Norbert
> > >
> > > Christian was working on a new version but there is no update for 1 year.
> > >
> > > [PATCH v2 1/2] binfmt_misc: cleanup on filesystem umount
> > > https://lkml.org/lkml/2021/12/16/406
> > > [PATCH v2 2/2] binfmt_misc: enable sandboxed mounts
> > > https://lkml.org/lkml/2021/12/16/407
> > >
> > > And personally I don't have the time to work on this.
> >
> > I've actually rebased this a few weeks ago:
> > https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git/log/?h=vfs.binfmt_misc
> > It has Acks, it's done. The only thing back then was Kees had wanted to
> > take this but never did. I'll ping him.
>
> Hi! Can you resend this now that the merge window is closed? I looked at
> it in your tree and it seems okay. I remain a bit nervous about exposing
> it to unpriv access, but I'd like to give it a try. It'd be very useful!
>
> -Kees
>
> --
> Kees Cook

Hate to be that guy, but did anything move closer towards upstream
since that post?

Norbert

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