From: Davide Caratti dcaratti@redhat.com
[ Upstream commit e2debf0852c4d66ba1a8bde12869b196094c70a7 ]
unlike other classifiers that can be offloaded (i.e. users can set flags like 'skip_hw' and 'skip_sw'), 'cls_flower' doesn't validate the size of netlink attribute 'TCA_FLOWER_FLAGS' provided by user: add a proper entry to fl_policy.
Fixes: 5b33f48842fa ("net/flower: Introduce hardware offload support") Signed-off-by: Davide Caratti dcaratti@redhat.com Acked-by: Jiri Pirko jiri@mellanox.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/sched/cls_flower.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -486,6 +486,7 @@ static const struct nla_policy fl_policy [TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NLA_U8 }, [TCA_FLOWER_KEY_ENC_OPTS] = { .type = NLA_NESTED }, [TCA_FLOWER_KEY_ENC_OPTS_MASK] = { .type = NLA_NESTED }, + [TCA_FLOWER_FLAGS] = { .type = NLA_U32 }, };
static const struct nla_policy