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Date: Fri, 22 May 2015 15:09:03 -0400 (EDT) From: David Miller <davem@...emloft.net> To: cascardo@...hat.com Cc: stephen@...workplumber.org, bridge@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, yoshfuji@...ux-ipv6.org, Rik.Theys@...t.kuleuven.be Subject: Re: [PATCH] bridge: fix parsing of MLDv2 reports From: Thadeu Lima de Souza Cascardo <cascardo@...hat.com> Date: Fri, 22 May 2015 12:18:59 -0300 > When more than a multicast address is present in a MLDv2 report, all but > the first address is ignored, because the code breaks out of the loop if > there has not been an error adding that address. > > This has caused failures when two guests connected through the bridge > tried to communicate using IPv6. Neighbor discoveries would not be > transmitted to the other guest when both used a link-local address and a > static address. > > This only happens when there is a MLDv2 querier in the network. > > The fix will only break out of the loop when there is a failure adding a > multicast address. ... > Reported-by: Rik Theys <Rik.Theys@...t.kuleuven.be> > Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...hat.com> > Tested-by: Rik Theys <Rik.Theys@...t.kuleuven.be> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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