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| author | Matthew Heon <mheon@redhat.com> | 2020-08-10 14:33:52 -0400 |
|---|---|---|
| committer | Matthew Heon <mheon@redhat.com> | 2020-08-11 09:53:36 -0400 |
| commit | a064cfc99ba4f0e8d3a13ddeea76718f9e50b14e (patch) | |
| tree | 8369dcf135c09ce7d832aaee50fdf77f78cb5190 /docs | |
| parent | 6d3075a6c79a6e761c183e0d5e6aa239fad21b63 (diff) | |
| download | podman-a064cfc99ba4f0e8d3a13ddeea76718f9e50b14e.tar.gz podman-a064cfc99ba4f0e8d3a13ddeea76718f9e50b14e.tar.bz2 podman-a064cfc99ba4f0e8d3a13ddeea76718f9e50b14e.zip | |
Ensure correct propagation for cgroupsv1 systemd cgroup
On cgroups v1 systems, we need to mount /sys/fs/cgroup/systemd
into the container. We were doing this with no explicit mount
propagation tag, which means that, under some circumstances, the
shared mount propagation could be chosen - which, combined with
the fact that we need a mount to mask
/sys/fs/cgroup/systemd/release_agent in the container, means we
would leak a never-ending set of mounts under
/sys/fs/cgroup/systemd/ on container restart.
Fortunately, the fix is very simple - hardcode mount propagation
to something that won't leak.
Signed-off-by: Matthew Heon <mheon@redhat.com>
Diffstat (limited to 'docs')
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