Re: [BREAKAGE] Since 4.18, kernel sets SB_I_NODEV implicitly on userns mounts, breaking systemd-nspawn

From: Greg KH
Date: Mon Dec 24 2018 - 03:08:42 EST


On Sun, Dec 23, 2018 at 12:54:11PM +0200, Thomas Backlund wrote:
> Den 23-12-2018 kl. 01:28, skrev Linus Torvalds:
> > On Sat, Dec 22, 2018 at 3:07 PM Christian Brauner
> > <christian.brauner@xxxxxxxxxxxxx> wrote:
> > >
> > > However, for this case should I resend the revert?
> >
> > Since I was pointed at the original email thread, I just picked it up
> > from there directly. It still applied cleanly, nothing had changed in
> > that area.
> >
> > Linus
> >
>
> This should also be picked up for 4.19 lts
>
> Greg, it's now upstream as:
>
> From 94f82008ce30e2624537d240d64ce718255e0b80 Mon Sep 17 00:00:00 2001
> From: Christian Brauner <christian@xxxxxxxxxx>
> Date: Thu, 5 Jul 2018 17:51:20 +0200
> Subject: Revert "vfs: Allow userns root to call mknod on owned filesystems."

Now queued up, thanks.

greg k-h