BPF_MAP_PTR_POISON 181 kernel/bpf/verifier.c return BPF_MAP_PTR(aux->map_state) == BPF_MAP_PTR_POISON; BPF_MAP_PTR_POISON 192 kernel/bpf/verifier.c BUILD_BUG_ON((unsigned long)BPF_MAP_PTR_POISON & BPF_MAP_PTR_UNPRIV); BPF_MAP_PTR_POISON 3955 kernel/bpf/verifier.c bpf_map_ptr_store(aux, BPF_MAP_PTR_POISON,