linux-kernel - Re: [PATCH v3] mm/memfd: security hook for memfd

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Date:   Fri, 2 Dec 2022 18:11:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     jeffxu@...omium.org, skhan@...uxfoundation.org,
        keescook@...omium.org
Cc:     oe-kbuild-all@...ts.linux.dev, akpm@...ux-foundation.org,
        dmitry.torokhov@...il.com, dverkamp@...omium.org, hughd@...gle.com,
        jeffxu@...gle.com, jorgelo@...omium.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-mm@...ck.org, mnissler@...omium.org, jannh@...gle.com,
        linux-hardening@...r.kernel.org, Jeff Xu <jeffxu@...omium.org>
Subject: Re: [PATCH v3] mm/memfd: security hook for memfd_create

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/jeffxu-chromium-org/mm-memfd-security-hook-for-memfd_create/20221202-094044
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20221202013404.163143-6-jeffxu%40google.com
patch subject: [PATCH v3] mm/memfd: security hook for memfd_create
config: x86_64-defconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/63daa2490ad1a865f02ff504c8c3fcd6fd72c0c3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review jeffxu-chromium-org/mm-memfd-security-hook-for-memfd_create/20221202-094044
        git checkout 63daa2490ad1a865f02ff504c8c3fcd6fd72c0c3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: mm/memfd.o: in function `__do_sys_memfd_create':
>> memfd.c:(.text+0xe4): undefined reference to `security_memfd_create'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

View attachment "config" of type "text/plain" (177565 bytes)