diff options
| -rw-r--r-- | pkg/cgroups/cgroups.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/pkg/cgroups/cgroups.go b/pkg/cgroups/cgroups.go index 081db772f..fda19bff8 100644 --- a/pkg/cgroups/cgroups.go +++ b/pkg/cgroups/cgroups.go @@ -187,8 +187,12 @@ func createCgroupv2Path(path string) (Err error) { }() } } - if err := ioutil.WriteFile(filepath.Join(current, "cgroup.subtree_control"), resByte, 0755); err != nil { - return errors.Wrapf(err, "write %s", filepath.Join(current, "cgroup.subtree_control")) + // We enable the controllers for all the path components except the last one. It is not allowed to add + // PIDs if there are already enabled controllers. + if i < len(elements[3:])-1 { + if err := ioutil.WriteFile(filepath.Join(current, "cgroup.subtree_control"), resByte, 0755); err != nil { + return errors.Wrapf(err, "write %s", filepath.Join(current, "cgroup.subtree_control")) + } } } return nil |