From: frugg...@arista.com (Francesco Ruggeri) Date: Thu, 28 Feb 2019 11:01:46 -0800
> ip6_call_ra_chain is called when IPv6 packet with Router Alert option > is forwarded. > It needs to check if the net of the socket is the same as the net of the > input device, otherwise the packet gets delivered to every IPv6 socket > listening for Router Alerts, no matter which network namespace it is in. > > Suggested-by: Maxim Martynov <ma...@arista.com> > Signed-off-by: Maxim Martynov <ma...@arista.com> > Signed-off-by: Francesco Ruggeri <frugg...@arista.com> Right now someone using such a tool does get all RAs in the system. Your change not only breaks them, but also gives them no method by which to keep obtaining the same behavior. I don't know what to do or suggest in this situation, but right now I'm putting this patch on hold.