netdev - Re: [PATCH bpf-next v3 4/5] bpf: Add support for writing to nf

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Message-ID: <202208201104.fseQ6foy-lkp@intel.com>
Date:   Sat, 20 Aug 2022 11:41:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Daniel Xu <dxu@...uu.xyz>, bpf@...r.kernel.org, ast@...nel.org,
        daniel@...earbox.net, andrii@...nel.org, memxor@...il.com
Cc:     kbuild-all@...ts.01.org, Daniel Xu <dxu@...uu.xyz>,
        pablo@...filter.org, fw@...len.de, toke@...nel.org,
        martin.lau@...ux.dev, netfilter-devel@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next v3 4/5] bpf: Add support for writing to
 nf_conn:mark

Hi Daniel,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Xu/bpf-Remove-duplicate-PTR_TO_BTF_ID-RO-check/20220820-082411
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: um-i386_defconfig
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/20062077235a94dd0b856204b6dbddefe8342f01
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daniel-Xu/bpf-Remove-duplicate-PTR_TO_BTF_ID-RO-check/20220820-082411
        git checkout 20062077235a94dd0b856204b6dbddefe8342f01
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um SUBARCH=i386 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 >>):

   /usr/bin/ld: warning: arch/x86/um/checksum_32.o: missing .note.GNU-stack section implies executable stack
   /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
   /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions
   /usr/bin/ld: net/core/filter.o: in function `tc_cls_act_btf_struct_access':
>> filter.c:(.text+0x920): undefined reference to `nf_conntrack_btf_struct_access'
   collect2: error: ld returned 1 exit status

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

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