may_access_direct_pkt_data 2846 kernel/bpf/verifier.c if (t == BPF_WRITE && !may_access_direct_pkt_data(env, NULL, t)) { may_access_direct_pkt_data 3260 kernel/bpf/verifier.c !may_access_direct_pkt_data(env, meta, BPF_READ)) {