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Subject[PATCH net-next v3 2/6] net: bridge: Set strict_start_type for br_policy
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 },
--
2.42.0

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