linux-kernel - Re: Kernel lockdown patch & IPAddressAllow/IPAddressDeny systemd feature with Secure Boot

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Message-ID: <20180816021037.6yxi5rqolhqxipza@ast-mbp.dhcp.thefacebook.com>
Date:   Wed, 15 Aug 2018 19:10:38 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Andrew Lutomirski <luto@...nel.org>
Cc:     dhowells@...hat.com,
        Linus Torvalds <torvalds@...ux-foundation.org>, ast@...nel.org,
        Laura Abbott <labbott@...oraproject.org>,
        linux-kernel@...r.kernel.org,
        Linux API <linux-api@...r.kernel.org>,
        Kernel Fedora <kernel@...ts.fedoraproject.org>,
        daniel@...earbox.net
Subject: Re: Kernel lockdown patch & IPAddressAllow/IPAddressDeny systemd
 feature with Secure Boot

On Tue, Aug 14, 2018 at 07:14:00AM -0700, Andrew Lutomirski wrote:
> [Removed Fedora devel list because it's subscriber-only]
> 
> > On Aug 8, 2018, at 12:29 AM, Peter Robinson <pbrobinson@...il.com> wrote:
> >
> > Probably a good idea to cc: this to the kernel list :-)
> >
> > I suspect it's intentional but with the planned changes for iptables
> > etc to be backed by bpf in the upstream kernel sometime in the future
> > it's likely going to need to be reviewed.
> >
> 
> I thought this got covered in review. I think this part of lockdown
> needs to get reverted or fixed ASAP.

I don't see lockdown in Linus's tree. Is this fedora only issue?

> (I definitely brought up multiple issues with the bpf lockdown stuff.
> It's clearly extremely broken right now in the "new kernel breaks
> *current* Linux distro" sense.)

+1