bird >=2.0.4 Stack underflow and most routes become filtered

Дружок 1 arkhipax at gmail.com
Fri Sep 13 22:18:32 CEST 2019


Awesome, thanks!
I thought that this would remain only my own problem. You managed to figure
out a bug without any help from me.
I will try path and write you with results.
Spasibo!

On Tue, Sep 10, 2019 at 2:57 PM Ondrej Zajicek <santiago at crfreenet.org>
wrote:

> On Sat, Aug 24, 2019 at 01:22:10AM +0300, Дружок 1 wrote:
> > Hi!
> > ..
> > /var/log/bird.log
> > 2019-08-22 15:38:38.604 <ERR> filters, line 1023: Stack underflow
> > 2019-08-22 18:02:27.157 <ERR> filters, line 511: Stack underflow
> > 2019-08-22 18:02:30.616 <ERR> filters, line 0: Stack underflow....
> >
> > then I issue test "show route filter myfilter" and get all nets. But in
> > fact, all these routes were filtered.
> > And, finally, only "accept" remained in the filter - this method
> unfiltered
> > routes.
>
> Hi
>
> Found the bug, it was in incorrect code for 'where' operator, here is the
> patch:
>
>
> https://gitlab.labs.nic.cz/labs/bird/commit/452e90ba72f57c44b44f9940ac951d2fde417583
>
> We plan to release a new version soon with this and other fixes.
>
> --
> Elen sila lumenn' omentielvo
>
> Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
> OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
> "To err is human -- to blame it on a computer is even more so."
>


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