Set any new attributes added to br_policy to be parsed strictly, to prevent userspace from passing garbage.
Signed-off-by: Johannes Nixdorf jnixdorf-oss@avm.de --- net/bridge/br_netlink.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 05c5863d2e20..1dc4e1bce740 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1217,6 +1217,7 @@ static size_t br_port_get_slave_size(const struct net_device *brdev, }
static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { + [IFLA_BR_UNSPEC] = { .strict_start_type = IFLA_BR_MCAST_QUERIER_STATE + 1 }, [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, [IFLA_BR_MAX_AGE] = { .type = NLA_U32 },