linux-kernel - [lkp] [x86] 784d5699ed: kmsg.ip_tables:no_symbol_version_for_copy_from

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Date:   Tue, 20 Sep 2016 10:55:32 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [lkp] [x86]  784d5699ed:
 kmsg.ip_tables:no_symbol_version_for_copy_from_user


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

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