Re: test_kmod.sh fails with constant blinding

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On 6/30/22 3:19 PM, Yauheni Kaliuta wrote:
Hi!

test_kmod.sh fails for hardened 2 check with

  test_bpf: #964 Staggered jumps: JMP_JA FAIL to select_runtime err=-524

(-ERANGE during constant blinding)

Did I miss something?

That could be expected if one of bpf_adj_delta_to_imm() / bpf_adj_delta_to_off()
fails given the targets go out of range.

How do the generated insn look?

Thanks,
Daniel



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