linux-kernel - Re: [PATCH v4 00/45] x86: Kernel IBT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAADnVQJfffD9tH_cWThktCCwXeoRV1XLZq69rKK5vKy_y6BN8A@mail.gmail.com>
Date:   Fri, 11 Mar 2022 09:09:38 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     X86 ML <x86@...nel.org>, joao@...rdrivepizza.com,
        hjl.tools@...il.com, Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Mark Rutland <mark.rutland@....com>, alyssa.milburn@...el.com,
        Miroslav Benes <mbenes@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH v4 00/45] x86: Kernel IBT

On Fri, Mar 11, 2022 at 2:40 AM Peter Zijlstra <peterz@...radead.org> wrote:
>
> On Thu, Mar 10, 2022 at 05:29:11PM +0100, Peter Zijlstra wrote:
>
> > This seems to cure most of the rest. I'm still seeing one failure:
> >
> > libbpf: prog 'connect_v4_prog': BPF program load failed: Invalid argument
> > libbpf: failed to load program 'connect_v4_prog'
> > libbpf: failed to load object './connect4_prog.o'
> > test_fexit_bpf2bpf_common:FAIL:tgt_prog_load unexpected error: -22 (errno 22)
> > #48/4 fexit_bpf2bpf/func_replace_verify:FAIL
>
>
> Hmm, with those two patches on I get:
>
> root@...erlake:/usr/src/linux-2.6/tgl-build# ./test_progs -t fexit
> #46 fentry_fexit:OK
> #48 fexit_bpf2bpf:OK
> #49 fexit_sleep:OK
> #50 fexit_stress:OK
> #51 fexit_test:OK
> Summary: 5/9 PASSED, 0 SKIPPED, 0 FAILED
>
> On the tigerlake, I suppose I'm doing something wrong on the other
> machine because there it's even failing on the pre-ibt kernel image.
>
> I'll go write up changelogs and stick these on.

What is the latest branch I can use to test it?