Messages in this thread | | | Date | Thu, 28 Feb 2019 13:02:13 -0800 (PST) | Subject | Re: [PATCH] net: ipv6: check net in ip6_call_ra_chain | From | David Miller <> |
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From: fruggeri@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 <maxim@arista.com> > Signed-off-by: Maxim Martynov <maxim@arista.com> > Signed-off-by: Francesco Ruggeri <fruggeri@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.
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