tnum_unknown 23 include/linux/tnum.h extern const struct tnum tnum_unknown; tnum_unknown 14 kernel/bpf/tnum.c const struct tnum tnum_unknown = { .value = 0, .mask = -1 }; tnum_unknown 28 kernel/bpf/tnum.c return tnum_unknown; tnum_unknown 1000 kernel/bpf/verifier.c reg->var_off = tnum_unknown; tnum_unknown 6187 kernel/bpf/verifier.c struct tnum enforce_attach_type_range = tnum_unknown;