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authorSabrina Dubroca <sd@queasysnail.net>2018-07-09 12:25:16 +0200
committerDavid S. Miller <davem@davemloft.net>2018-07-11 22:50:45 -0700
commitbdd72f41333d9f61a22e4c4494e95782e9731fdb (patch)
tree45478c3378359784472696201bf362e621b3c75b
parent70c30d76e580fe4aefe6facdf0f1edb1aa9a0e7a (diff)
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: bc91b0f07ada ("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>
-rw-r--r--net/ipv6/addrconf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e20f8a1d8cdb..e89bca83e0e4 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -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)