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linux-kernel: Re: [PATCH] Version 4 (2.6.23-rc8-mm2) Smack: Simp

Re: [PATCH] Version 4 (2.6.23-rc8-mm2) Smack: Simplified Mandatory Access Control Kernel

From: Alan Cox <alan_at_nospam>
Date: Wed Oct 03 2007 - 18:17:35 GMT
To: Al Viro <viro@ftp.linux.org.uk>


> Absolute paths in that kind of thing are _wrong_. You know where the things
> are on your fs. You don't know if anything else will be visible, let alone
> whether it will be at the same place in all chroots or namespaces. And no,
> you _can't_ make sure that fs is visible only in one place. No fs can or
> has any business even trying.

What I don't understand here is why we need the hacks when we already support sufficient mount magic to give each login session its own private /tmp ?
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