5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Eyal Birger <eyal.birger@xxxxxxxxx> commit 36c2e31ad25bd087756b8db9584994d1d80c236b upstream. Add missing netlink attribute policy and size calculation. Also enable strict validation from this new attribute onwards. Fixes: 435fe1c0c1f7 ("net: geneve: support IPv4/IPv6 as inner protocol") Signed-off-by: Eyal Birger <eyal.birger@xxxxxxxxx> Link: https://lore.kernel.org/r/20220322043954.3042468-1-eyal.birger@xxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/geneve.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1280,6 +1280,7 @@ static void geneve_setup(struct net_devi } static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { + [IFLA_GENEVE_UNSPEC] = { .strict_start_type = IFLA_GENEVE_INNER_PROTO_INHERIT }, [IFLA_GENEVE_ID] = { .type = NLA_U32 }, [IFLA_GENEVE_REMOTE] = { .len = sizeof_field(struct iphdr, daddr) }, [IFLA_GENEVE_REMOTE6] = { .len = sizeof(struct in6_addr) }, @@ -1293,6 +1294,7 @@ static const struct nla_policy geneve_po [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 }, [IFLA_GENEVE_TTL_INHERIT] = { .type = NLA_U8 }, [IFLA_GENEVE_DF] = { .type = NLA_U8 }, + [IFLA_GENEVE_INNER_PROTO_INHERIT] = { .type = NLA_FLAG }, }; static int geneve_validate(struct nlattr *tb[], struct nlattr *data[], @@ -1798,6 +1800,7 @@ static size_t geneve_get_size(const stru nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_TX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_RX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL_INHERIT */ + nla_total_size(0) + /* IFLA_GENEVE_INNER_PROTO_INHERIT */ 0; }