| Message ID | 76c4626b05157e1592d0f7b0ced85869f2056952.1531129207.git.sd@queasysnail.net |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
| Series | net/ipv6: addr_gen_mode fixes | expand |
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)
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> --- net/ipv6/addrconf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)