Commit c88507fb authored Mar 06, 2014 by Sabrina Dubroca Committed by David S. Miller Mar 06, 2014

ipv6: don't set DST_NOCOUNT for remotely added routes



DST_NOCOUNT should only be used if an authorized user adds routes
locally. In case of routes which are added on behalf of router
advertisments this flag must not get used as it allows an unlimited
number of routes getting added remotely.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 97989356

net/ipv6/route.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1513,7 +1513,7 @@ int ip6_route_add(struct fib6_config *cfg)
		if (!table)
		goto out;

		rt = ip6_dst_alloc(net, NULL, DST_NOCOUNT, table);
		rt = ip6_dst_alloc(net, NULL, (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT, table);

		if (!rt) {
		err = -ENOMEM;

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