Re: [PATCH bpf-next v4 1/6] bpf: Introduce pseudo_btf_id

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Ack. Will do.

On Tue, Oct 6, 2020 at 12:05 PM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Tue, Sep 29, 2020 at 4:50 PM Hao Luo <haoluo@xxxxxxxxxx> wrote:
> >
> > -       ret = replace_map_fd_with_map_ptr(env);
> > -       if (ret < 0)
> > -               goto skip_full_check;
> > -
> >         if (bpf_prog_is_dev_bound(env->prog->aux)) {
> >                 ret = bpf_prog_offload_verifier_prep(env->prog);
> >                 if (ret)
> > @@ -11662,6 +11757,10 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr,
> >         if (ret)
> >                 goto skip_full_check;
> >
> > +       ret = resolve_pseudo_ldimm64(env);
> > +       if (ret < 0)
> > +               goto skip_full_check;
> > +
>
> Hao,
>
> this change broke several tests in test_verifier:
> #21/u empty prog FAIL
> Unexpected error message!
>     EXP: unknown opcode 00
>     RES: last insn is not an exit or jmp
>
> #656/u test5 ld_imm64 FAIL
> Unexpected error message!
>     EXP: invalid bpf_ld_imm64 insn
>     RES: last insn is not an exit or jmp
>
> #656/p test5 ld_imm64 FAIL
> Unexpected error message!
>     EXP: invalid bpf_ld_imm64 insn
>     RES: last insn is not an exit or jmp
>
> Please send a fix.
> Thanks



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