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SubjectRe: [RFC] Make Yama pid_ns aware
Quoting Vasiliy Kulikov (
> Actually, what concerns me is not ptrace, but symlink/hardling
> protection. There is no interaction between namespaces in case of
> containers via symlinks in the basic case. In case of ptrace I don't
> think the child ns may weaken the parent ns - child ns may not access
> processes of the parent namespace and everything it may ptrace is
> already inside of this ns.

Oh, yes. If you're saying the symlink protection shouldn't be
per-pidns, I agree it seems an odd fit.

How about a version of this patch leaving symlink protection
out of pidns (maybe in user ns), and just putting ptrace
protection per-pidns?


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