BIRD 2.0.7 segfault in route filters

[Ondrej Zajicek]

On Mon, Dec 28, 2020 at 07:23:51PM +0100, Ondrej Zajicek wrote:
> On Mon, Dec 28, 2020 at 06:47:29PM +0100, Damian Zaremba wrote:
> > Hi,
> > 
> > Thanks for the fast response and fix - I can confirm that is working as
> > expected on my side.
> > 
> > Unfortunately I did discover another segfault (testing from current master)
> > which appears to be due to `net` being uninitialised in the route specific
> > filters;
> 
> > This was originally triggered in a function call that used an `if net ~ set`
> > operation, so while the above config doesn't really make practical sense
> > it's the smallest filter I could make to repeatedly trigger the issue.

Hi

Fixed by the attached patch. Implementation of 'net' attribute is kind of
ugly and requires some hacks, which were missing here.

-- 
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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