[systemd-devel] nspawn remounts /selinux readonly, thus breaking logins

[Lennart Poettering]

On Thu, 07.07.11 16:52, Daniel J Walsh (dwalsh at redhat.com) wrote:

> >> This has a nasty consequence of breaking logins:
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: Accepted publickey for zbyszek from 192.168.122.1 port 51205 ssh2
> >> Jul  7 20:17:05 fedora-15 sshd[14262]: fatal: mm_request_receive: read: Connection reset by peer
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: pam_selinux(sshd:session): conversation failed
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: pam_selinux(sshd:session): No response to query: Would you like to enter a security context? [N] 
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: pam_selinux(sshd:session): Unable to get valid context for zbyszek
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: pam_unix(sshd:session): session opened for user zbyszek by (uid=0)
> >> Jul  7 22:17:05 fedora-15 sshd[14261]: error: PAM: pam_open_session(): Authentication failure
> >> Jul  7 22:17:05 fedora-15 sshd[14264]: Received disconnect from 192.168.122.1: 11: disconnected by user
> >>
> >> In case of a login on a tty, the question about a security context
> >> is displayed on the screen. In case of ssh login, if just fails
> >> without any message displayed on the remote side.
> > 
> > Newer versions of libselinux detect if /selinux is read-only and consider
> > selinux disabled if it is.
> > 
> Do I need to back port this to F15?

I see no immediate need as nspawn is still very new and this isn't a
regression. That said I am sure Zbigniew would be thankful? Zbigniew?

Lennart

-- 
Lennart Poettering - Red Hat, Inc.