From: Daniel Borkmann <daniel@iogearbox.net>
To: Yauheni Kaliuta <ykaliuta@redhat.com>, bpf <bpf@vger.kernel.org>
Subject: Re: test_kmod.sh fails with constant blinding
Date: Thu, 30 Jun 2022 22:57:37 +0200 [thread overview]
Message-ID: <6e86e8c4-4eaf-3e4e-ee72-035a215b48d3@iogearbox.net> (raw)
In-Reply-To: <CANoWsw=eP+kYHvT+AUwY=8D=QDrwHz=1_6he8vz0t+Tc1PVVBQ@mail.gmail.com>
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
next prev parent reply other threads:[~2022-06-30 20:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 13:19 test_kmod.sh fails with constant blinding Yauheni Kaliuta
2022-06-30 20:57 ` Daniel Borkmann [this message]
2022-07-01 11:05 ` Yauheni Kaliuta
2022-07-04 8:21 ` Yauheni Kaliuta
2022-07-05 8:07 ` Johan Almbladh
2022-07-05 8:31 ` Yauheni Kaliuta
2022-09-01 10:01 ` Yauheni Kaliuta
-- strict thread matches above, loose matches on Subject: below --
2024-01-02 15:11 Bram Schuur
2024-01-02 16:56 ` Yonghong Song
2024-01-02 17:47 ` Eduard Zingerman
2024-01-02 19:41 ` Yonghong Song
2024-01-02 22:39 ` Eduard Zingerman
2024-01-03 0:02 ` Jan-Gerd Tenberge
2024-01-03 7:23 ` Bram Schuur
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