Re: WARNING in get_pi_state

From: Peter Zijlstra
Date: Tue Oct 31 2017 - 06:36:42 EST


On Tue, Oct 31, 2017 at 01:23:13PM +0300, Dmitry Vyukov wrote:

> But having said that, the tun code is not supposed to make the
> reproducer non-working either. E.g. on our systems it just setups tun
> successfully and then proceeds to the actual code that triggers the
> problem. What's the failure mode with tun code on your system? If we
> make it more portable, then such repros will work on your system as
> well.

It completely fails to create a tun (probably don't have support for
that built-in) and then just sits there doing nothing. I didn't spend
too much time analyzing and just ripped it out.