bpf_validate
if (!bpf_validate(fr->fr_data, bpf.bf_len)) {
extern int bpf_validate(struct bpf_insn *, int);
if (!bpf_validate(bf->bf_insns, bf->bf_len)) {
!bpf_validate(filter, flen)) {
int bpf_validate(const struct bpf_insn *, int);
!bpf_validate(hp0->bpf_prog, hp0->bpf_prog_len))
if (!bpf_validate(ptr, fp->fr_dsize/sizeof(struct bpf_insn))) {
valid = bpf_validate(pc, nins);