a241b796fa
This improves operation in unprivileged userns environments, where unpriv user code might invoke a container with a delegated userns UID range, and thus ends up with a subcgroup owned by another UID. With this patch any user is always allowed to remove their own cgroups even if it has subcgroups owned by other users. This removes a DoS of sorts, and enforces the rule that users strictly own everything below cgroups they own.
System and Service Manager
Details
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