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SubjectRe: [PATCH RFC 0/1] mount: universally disallow mounting over symlinks
On Mon, 2020-01-13 at 03:54 +0000, Al Viro wrote:
> On Mon, Jan 13, 2020 at 09:48:23AM +0800, Ian Kent wrote:
> > I did try this patch and I was trying to work out why it didn't
> > work. But thought I'd let you know what I saw.
> >
> > Applying it to current Linus tree systemd stops at switch root.
> >
> > Not sure what causes that, I couldn't see any reason for it.
> Wait a minute... So you are seeing problems early in the boot,
> before any autofs ioctls might come into play?

I did, then I checked it booted without the patch, then tried
building from scratch with the patch twice and same thing
happened each time.

Looked like this, such as it is:
[ OK ] Reached target Switch Root.
[ OK ] Started Plymouth switch root service.
Starting Switch Root...

I don't have any evidence but thought it might be this:

Mind you, that's not the actual systemd repo. either I probably
need to look a lot deeper (and at the actual systemd repo) to
work out what's actually being called.

> Sigh... Guess I'll have to dig that Fedora KVM image out and
> try to see what it's about... ;-/ Here comes a couple of hours
> of build...

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