Yep. I know
> BTW: What was the below _breaking_ patch intended to fix ?
> Allowing a selector, that when (wrongly) used will do sigsegv can't
> be security relevant anyway.
Actually it lets you oops several things. Theres also a problem with the
current code and selectors on a 486 that doesnt clear the upper bits
I've got a fix from Solar for this for pre3.
The real problem is we don't have any kind of exception handler for return
to user space (BSD spots and handles the exception) we should do this for
2.1.x
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