The kernel's file capabilities mechanism is a bit of an awkward fit with user namespaces, in that all namespaces have the same view of the capabilities associated with a given executable file. There is a patch set under consideration that adds awareness of user namespaces to file capabilities, but it has brought forth some disagreement on how such a mechanism should work. The question is, in brief: how should a set of file capabilities be picked for any given user namespace? 查看全文>>