Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Johannes Nixdorf <> | Date | Mon, 16 Oct 2023 15:27:23 +0200 | Subject | [PATCH net-next v5 4/5] net: bridge: Set strict_start_type for br_policy |
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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 | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 0c3cf6e6dea2..5ad4abfcb7ba 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1229,6 +1229,8 @@ 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_FDB_N_LEARNED }, [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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