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Description of problem:

The fix for Bug 1819868 has introduced a new issue related to its implementation of rate limiting.

See more details on this discussion [1], where the problem was reported. Description provided:

Rate limiting the mount_event_source can cause unmount events to be
missed, which leads to mount unit cgroups being leaked (not cleaned up
when the mount is gone).


Version-Release number of selected component (if applicable): Systemd 248.2.



[1] https://github.com/systemd/systemd/pull/19811

The fix was merged upstream hence we can proceed with the backport to RHEL-8.4 (problematic code isn't in any older release hence I am changing ZTR accordingly).

Is there news about the backport to RHEL 8.4? Thank you.

fix merged to github master branch -> https://github.com/redhat-plumbers/systemd-rhel8/pull/198

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (systemd bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:4469