linux-kernel - Re: [LKP] [lkp] [x86] 784d5699ed: kmsg.ip_tables:no_symbol_version_for_copy_from_user

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Date:   Tue, 18 Oct 2016 16:00:06 +0800
From:   Ye Xiaolong <xiaolong.ye@...el.com>
To:     Michal Marek <mmarek@...e.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Al Viro <viro@...iv.linux.org.uk>, lkp@...org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [LKP] [lkp] [x86] 784d5699ed:
 kmsg.ip_tables:no_symbol_version_for_copy_from_user

On 10/11, Michal Marek wrote:
>Dne 11.10.2016 v 15:10 Michal Marek napsal(a):
>> Dne 30.9.2016 v 01:26 Stephen Rothwell napsal(a):
>>> Hi all,
>>>
>>> On Tue, 20 Sep 2016 10:55:32 +0800 kernel test robot <xiaolong.ye@...el.com> wrote:
>>>>
>>>> FYI, we noticed the following commit:
>>>>
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>>>> commit 784d5699eddc55878627da20d3fe0c8542e2f1a2 ("x86: move exports to actual definitions")
>>>>
>>>> in testcase: boot
>>>>
>>>> on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 4G
>>>>
>>>> caused below changes:
>>>>
>>>> [    4.386609] ip_tables: no symbol version for _copy_from_user
>>>> [    4.387902] ip_tables: Unknown symbol _copy_from_user (err -22)
>>>> [    4.389219] ip_tables: no symbol version for __put_user_2
>>>> [    4.390473] ip_tables: Unknown symbol __put_user_2 (err -22)
>>>> [    4.391760] ip_tables: no symbol version for __sw_hweight32
>>>> [    4.393031] ip_tables: Unknown symbol __sw_hweight32 (err -22)
>>>> [    4.394332] ip_tables: no symbol version for memcpy
>>>> [    4.395508] ip_tables: Unknown symbol memcpy (err -22)
>>>> [    4.396729] ip_tables: no symbol version for __fentry__
>>>> [    4.397937] ip_tables: Unknown symbol __fentry__ (err -22)
>>>> [    4.399234] ip_tables: no symbol version for _copy_to_user
>>>> [    4.400488] ip_tables: Unknown symbol _copy_to_user (err -22)
>>>> [    4.405835] systemd[1]: Failed to insert module 'ip_tables': Invalid argument
>>>>
>>>>
>>>>
>>>> Thanks,
>>>> Xiaolong
>>>
>>> Do we have any resolution of this?
>> 
>> With which .config is it happening?
>
>Or maybe with which toolchain is the kernel built.

Sorry for the late. The config is attached (you can also see it in
original report), and the kernel was built with gcc version 6.2.0 20160901 (Debian
6.2.0-3)

Thanks,
Xiaolong
>
>Thanks,
>Michal
>
>_______________________________________________
>LKP mailing list
>LKP@...ts.01.org
>https://lists.01.org/mailman/listinfo/lkp

View attachment "config-4.8.0-rc1-00003-g784d569" of type "text/plain" (152641 bytes)

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