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Date: Tue, 23 Jan 2018 10:48:59 +0100 From: Felix Fietkau <nbd@....name> To: David Miller <davem@...emloft.net> Cc: netdev@...r.kernel.org, cernekee@...omium.org, s.gottschall@...wrt.com Subject: Re: [PATCH] net: igmp: fix source address check for IGMPv3 reports On 2018-01-22 22:17, David Miller wrote: > From: Felix Fietkau <nbd@....name> > Date: Fri, 19 Jan 2018 11:50:46 +0100 > >> Commit "net: igmp: Use correct source address on IGMPv3 reports" >> introduced a check to validate the source address of locally generated >> IGMPv3 packets. >> Instead of checking the local interface address directly, it uses >> inet_ifa_match(fl4->saddr, ifa), which checks if the address is on the >> local subnet (or equal to the point-to-point address if used). >> >> This breaks for point-to-point interfaces, so check against >> ifa->ifa_local directly. >> >> Cc: Kevin Cernekee <cernekee@...omium.org> >> Fixes: a46182b00290 ("net: igmp: Use correct source address on IGMPv3 reports") >> Reported-by: Sebastian Gottschall <s.gottschall@...wrt.com> >> Signed-off-by: Felix Fietkau <nbd@....name> > > Applied, thanks. Thanks. Please queue it up for stable as well, since the commit fixed by this patch has already made it to stable kernels. - Felix
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