in_rbtree_lock_required_cb
if (in_rbtree_lock_required_cb(env)) {
if (in_rbtree_lock_required_cb(env)) {
if (in_rbtree_lock_required_cb(env) && (rcu_lock || rcu_unlock)) {
static bool in_rbtree_lock_required_cb(struct bpf_verifier_env *env);