Commit bdd72f41 authored Jul 09, 2018 by Sabrina Dubroca Committed by David S. Miller Jul 11, 2018

net/ipv6: reserve room for IFLA_INET6_ADDR_GEN_MODE



inet6_ifla6_size() is called to check how much space is needed by
inet6_fill_link_af() and inet6_fill_ifinfo(), both of which include
the IFLA_INET6_ADDR_GEN_MODE attribute. Reserve some room for it.

Fixes: bc91b0f0 ("ipv6: addrconf: implement address generation modes")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 70c30d76

net/ipv6/addrconf.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -5208,7 +5208,9 @@ static inline size_t inet6_ifla6_size(void)
		+ nla_total_size(DEVCONF_MAX * 4) /* IFLA_INET6_CONF */
		+ nla_total_size(IPSTATS_MIB_MAX * 8) /* IFLA_INET6_STATS */
		+ nla_total_size(ICMP6_MIB_MAX * 8) /* IFLA_INET6_ICMP6STATS */
		+ nla_total_size(sizeof(struct in6_addr)); /* IFLA_INET6_TOKEN */
		+ nla_total_size(sizeof(struct in6_addr)) /* IFLA_INET6_TOKEN */
		+ nla_total_size(1) /* IFLA_INET6_ADDR_GEN_MODE */
		+ 0;
		}

		static inline size_t inet6_if_nlmsg_size(void)

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