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Date: Thu, 27 Jul 2017 12:03:02 +0200 From: Phil Sutter <phil@....cc> To: Hangbin Liu <liuhangbin@...il.com> Cc: netdev@...r.kernel.org, Nikolay Aleksandrov <nikolay@...ulusnetworks.com>, Stephen Hemminger <stephen@...workplumber.org> Subject: Re: [PATCHv2 iproute2] utils: return default family when rtm_family is not RTNL_FAMILY_IPMR/IP6MR On Thu, Jul 27, 2017 at 05:44:15PM +0800, Hangbin Liu wrote: > When we get a multicast route, the rtm_type is RTN_MULTICAST, but the > rtm_family may be AF_INET. If we only check the type with RTNL_FAMILY_IPMR, > we will get malformed address. e.g. > > + ip -4 route add multicast 172.111.1.1 dev em1 table main > > Before fix: > + ip route list type multicast table main > multicast ac6f:101:800:400:400:0:3c00:0 dev em1 scope link > > After fix: > + ip route list type multicast table main > multicast 172.111.1.1 dev em1 scope link > > Fixes: 56e3eb4c3400 ("ip: route: fix multicast route dumps") > Signed-off-by: Hangbin Liu <liuhangbin@...il.com> Acked-by: Phil Sutter <phil@....cc>
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