Messages in this thread | | | Date | Tue, 06 Nov 2007 10:49:19 +0300 | From | Pavel Emelyanov <> | Subject | Re: [patch] PID namespace design bug, workaround |
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Ulrich Drepper wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Pavel Emelyanov wrote: >> Having access to the same IPCs in different pid namespaces won't work. >> Having access to the same filesystem in different IPC namespaces won't work. >> Having access to the same UID namespace in different VFS namespaces won't work. >> Having access to the same <any> namespace in different <many others> namespace >> wont' work. >> [...] > > > Then explicitly prevent the cases which cannot work in the clone() > calls. Yes, giving people rope to shoot themselves is a Unix tradition > but it's so unnecessary in this case and will only cause support > problems for innocent people.
:)
> I bet the result will be that if you have a separate PID namespace you > need to enforce every other namespace as well. There are simply too > many dependencies.
I think, that Ted's proposal (about the "namespaces compatibility matrix") is better. I'd prefer knowing of what can stop working in case I do something rather that forcedly having my hands off this.
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