linux-kernel - Re: [PATCH v4] module: add in-kernel support for decompressing

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Date:   Tue, 4 Jan 2022 19:00:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Jessica Yu <jeyu@...nel.org>
Cc:     kbuild-all@...ts.01.org, Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] module: add in-kernel support for decompressing

Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on kees/for-next/pstore]
[also build test ERROR on linus/master jeyu/modules-next v5.16-rc8 next-20211224]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/module-add-in-kernel-support-for-decompressing/20220104-133017
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20220104/202201041811.tEtjVHGi-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/dee0e9ca58491575033bc7911dd4fe8f7cea40e4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dmitry-Torokhov/module-add-in-kernel-support-for-decompressing/20220104-133017
        git checkout dee0e9ca58491575033bc7911dd4fe8f7cea40e4
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   m68k-linux-ld: kernel/module_signing.o: in function `module_decompress':
>> module_signing.c:(.text+0x0): multiple definition of `module_decompress'; kernel/module.o:(.text+0x3280): first defined here
   m68k-linux-ld: kernel/module_signing.o: in function `module_decompress_cleanup':
>> module_signing.c:(.text+0x40): multiple definition of `module_decompress_cleanup'; kernel/module.o:(.text+0x32c0): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org