Bug#993248: machinectl fails to bind mount a directory into a container

[Michael Biebl]

Control: fixed -1 249.3-4

Am 29.08.21 um 12:31 schrieb shilin.alek...@gmail.com:

Package: systemd-container
Version: 247.3-6

Hi,

machinectl seems to always fail when trying to bind mount a directory
into a container.

Steps to reproduce:

    1. sudo deboostrap bullseye /var/lib/machines/test
    2. sudo systemd-nspawn -M test
    3. Set root password, install dbus…
    4. sudo systemd-nspawn -bM test
    5. sudo machinectl bind test /path/to/some/dir --mkdir


    Failed to bind mount: Failed to mount: No such file or directory


    авг 29 13:24:33 lenovo [18009]: Failed to mount
    /run/host/incoming/5Ok22y (type n/a) on <path> (MS_MOVE ""): No such
    file or directory


Bind mounts using --bind=… systemd-nspawn option work as expected.

The last command reliably fails with error message: There is also an error message in systemd journal: It doesn't depend on whether the target directory exists or not.

This seems to work fine with
249.3-4 from experimental. So marking as fixed for that version.


If it's reasonable enough, we might consider backporting it.

Regards,
Michael

If you are interested in seeing this fixed in bullseye, it would be great if you can run git bisect to find the commit that fixed it.

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