bpf_kfunc_ret_rcu_test
p = bpf_kfunc_ret_rcu_test();
p = bpf_kfunc_ret_rcu_test();
BTF_ID_FLAGS(func, bpf_kfunc_ret_rcu_test, KF_RET_NULL | KF_RCU_PROTECTED)
struct task_struct *bpf_kfunc_ret_rcu_test(void) __ksym;