Package: physlock
Version: 0.4.5-2
Severity: grave

Dear Maintainer,

"Debian installs default to disabling the root account when the
user does not input a root password.  However in such cases
physlock does the incorrect thing and allows a user who types
root [ENTER] [ENTER] to bypass the security check (with a minor
error message displayed).  The correct behaviour is forbid root
login and keep the lock in place."

I stole this from: https://github.com/muennich/physlock/issues/51.

I reproduced this.

As above mentioned github issue mentions Current master behaves
different, meaning it "uses the utmp file to identify the owner
of the current session", which in turn means it's not possible any
more to specify the user who locks the VTs.  However this way it
does not allow to login as root when a normal user locked the
VTs.

Sorry if you already got this information from this github issue,
but I felt it was appropriate to open a bug report for this
issue.

Thanks, Gregor

-- System Information:
Debian Release: 9.1
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8), LANGUAGE=en_US:en 
(charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

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