[PATCH] um: vector: avoid NULL queue dereference in legacy RX mode

[Johannes Berg]

On Thu, 2026-05-28 at 09:00 +0100, Anton Ivanov wrote:
> > 
> > So ... you're effectively saying that the tap transport has been broken
> > since 6.12, released ~1.5 years ago.
> 
> The one I use is raw :) It is the most useful.

Right.

> Tap badly needs someone to expose the socket which the kernel uses to implement it. I started writing a kernel helper at some point, but never finished it. It should be able to produce "stupid speeds" with it.
> 
> And, yes indeed, this was broken by 612a8c8e0b43ba7e3d0e51f6f76a5fec4912d439 / 2024-07-05 which by the look of it I did not test for tap.
> 

Yeah, I guess I'm just thinking that clearly nobody uses it, the
infrastructure isn't there (as you say), and it was broken for a rather
long time now and nobody complained (that we know of.)

So ... is it worth even keeping it? I'm fine either way, just wondering.

johannes