From: Francesco Ruggeri <frugg...@arista.com> Date: Thu, 28 Feb 2019 16:09:17 -0800
> On Thu, Feb 28, 2019 at 3:31 PM David Ahern <dsah...@gmail.com> wrote: >> >> On 2/28/19 2:02 PM, David Miller wrote: >> > 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. >> > >> >> need an equivalent to NETLINK_LISTEN_ALL_NSID > > If that would be acceptable, we can look into it. It is.
