Re: [PATCH 0/4] Prevent UDP tunnels from operating on garbage socket

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From: Tom Herbert <tom@xxxxxxxxxxxxxxx>
Date: Mon, 6 Apr 2015 21:45:45 -0700

> I guess this is where I'm confused. We can send just about anything
> over GRE also, but have never needed a transmit socket for that. Is
> UDP encapsulation so different, or is GRE equally broken also? Also,
> will we need to add the socket to FOU and GUE then?

The situation is that if we have a socket we should use it.  More
information and context is better than less.

And making the stack more aware of what context exists happens to fix
a crash too.

Pablo has told me also that extending the output path signature in
this way helps work he is doing too.
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