> Eh? That isn't at all what the patch does...
Before the patch, the `getenv("TERM")` call would not happen; now it
does.
While fixing path_compare() may be a better long-term solution, I think
the existing patch is appropriate for this bug/SRU.
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https://bugs.launchpad.net/bugs/1959475
Title:
"machinectl shell" connections immediately terminated
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Focal:
Fix Committed
Bug description:
[Impact]
This bug prevents users on Impish and newer from connecting to Focal
systemd containers using `machinectl shell`. This limits users ability
to manage containers spawned with systemd-nspawn.
[Test Plan]
On a Jammy host, do the following:
* Install systemd-container and debootstrap if necessary:
$ sudo apt install debootstrap systemd-container
* Create a Focal filesystem for the container:
$ sudo debootstrap --arch=<arch> focal
/var/lib/containers/lp1959475/
* Launch the container:
$ sudo systemd-nspawn -D /var/lib/containers/lp1959475/ --machine
test-container
* Inside the container, set a password for root and then exit:
$ passwd # Enter password when prompted
$ exit
* Re-launch the container with -b option:
$ sudo systemd-nspawn -D /var/lib/containers/lp1959475/ --machine
test-container -b
* In a separate terminal window, try to connect to the container:
$ sudo machinectl shell test-container
* Observe the "Connection to machine test-container terminated" error
message.
[Where problems could occur]
The patch expands the case where the TERM variable is inherited from
PID 1 when building an execution environment, e.g. for a container. If
problems were to occur, it would be related to the value of TERM in
environments forked off of PID 1.
[Other Info]
This bug occurs when trying to connect to a Focal container from e.g. a Jammy
host. For SRU verification, the container
should be Focal, and the host should be Jammy. The -proposed package should
be installed in the Focal container.
[Original Description]
The command "machinectl shell" does not work in systemd
249.9-0ubuntu2:
$ sudo machinectl shell ns-xxx
Connected to machine ns-xxx. Press ^] three times within 1s to exit session.
Connection to machine ns-xxx terminated.
The issue seems to be described here:
https://forum.manjaro.org/t/the-machinectl-shell-command-stopped-working-after-systemd-upgrade-to-250-2-1/99899
https://github.com/systemd/systemd/issues/22234
and solved here:
https://github.com/systemd/systemd/commit/e8cf09b2a2ad0d48e5493050d54251d5f512d9b6
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1959475/+subscriptions
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