Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Andreas Schwab <schwab@linux-m68k.org>
To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>,
        Josh Poimboeuf <jpoimboe@kernel.org>,
        Jiri Kosina <jikos@kernel.org>,
        Miroslav Benes <mbenes@suse.cz>,
        Petr Mladek <pmladek@suse.com>,
        Joe Lawrence <joe.lawrence@redhat.com>,
        live-patching@vger.kernel.org, linux-kernel@vger.kernel.org,
        Masahiro Yamada <masahiroy@kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Jiri Olsa <jolsa@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Luis Chamberlain <mcgrof@kernel.org>,
        linux-modules@vger.kernel.org,
        Steven Rostedt <rostedt@goodmis.org>,
        Ingo Molnar <mingo@redhat.com>,
        David Laight <David.Laight@aculab.com>,
        linux-m68k <linux-m68k@lists.linux-m68k.org>,
        "Jason A. Donenfeld" <Jason@zx2c4.com>
Subject: Re: [PATCH v9] kallsyms: Add self-test facility
References: <20221115083349.1662-1-thunder.leizhen@huawei.com>
        <CAMuHMdWM6+pC3yUqy+hHRrAf1BCz2sz1KQv2zxS+Wz-639X-aA@mail.gmail.com>
        <ad09966d-9357-1c32-e491-a402af8dac6e@huawei.com>
        <CAMuHMdW=KXfYc3Rqz6LizJcDxRX3BzUFTPpdTpDB68sw+QPJ=A@mail.gmail.com>
        <b00bcc04-0633-bac9-76ab-572f9470901c@huawei.com>
        <CAMuHMdWPSeieR-sGuozd3kWGjVw85EV40irqM9aErXufifzFNA@mail.gmail.com>
        <49070ac3-02bb-a3b3-b929-ede07e3b2c95@huawei.com>
        <CAMuHMdU2fge6UJwKAKOAFqtsnhVyfX80g703TRUoPRK_aeuu-w@mail.gmail.com>
Date:   Thu, 15 Dec 2022 15:51:40 +0100
In-Reply-To: <CAMuHMdU2fge6UJwKAKOAFqtsnhVyfX80g703TRUoPRK_aeuu-w@mail.gmail.com>
        (Geert Uytterhoeven's message of "Thu, 15 Dec 2022 15:43:00 +0100")
Message-ID: <mvmlen8ra83.fsf@linux-m68k.org>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

On Dez 15 2022, Geert Uytterhoeven wrote:

>     start
>     kallsyms_lookup_name() for kallsyms_test_func_static failed:
> addr=8dbc, expect 60308
>     kallsyms_lookup_name() for kallsyms_test_func failed: addr=8dbc,
> expect 60318
>     kallsyms_lookup_name() for kallsyms_test_func_weak failed:
> addr=8dbc, expect 6031a
>     kallsyms_lookup_name() for vmalloc failed: addr=8dbc, expect bdc88
>     kallsyms_lookup_name() for vfree failed: addr=8dbc, expect bd6de

Curiously addr always comes out the same.  What symbol does it resolve
to?

>     kallsyms_on_each_match_symbol() for kallsyms_test_func_static
> failed: count=24890, addr=1ee870, expect 60308
>     kallsyms_on_each_match_symbol() for kallsyms_test_func failed:
> count=24890, addr=1ee870, expect 60318
>     kallsyms_on_each_match_symbol() for kallsyms_test_func_weak
> failed: count=24890, addr=1ee870, expect 6031a
>     kallsyms_on_each_match_symbol() for vmalloc failed: count=24890,
> addr=1ee870, expect bdc88
>     kallsyms_on_each_match_symbol() for vfree failed: count=24890,
> addr=1ee870, expect bd6de

Here too.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."