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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.
- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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- References:
- [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
- Re: [patch] PID namespace design bug, workaround
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