linux-kernel - Re: [PATCH bpf-next v2 5/6] bpf, net: Support SO_REUSEPORT sockets with bpf_sk

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Message-ID: <202306140012.hLncDFR5-lkp@intel.com>
Date:   Wed, 14 Jun 2023 01:26:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lorenz Bauer <lmb@...valent.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Joe Stringer <joe@...d.net.nz>,
        Mykola Lysenko <mykolal@...com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Kuniyuki Iwashima <kuniyu@...zon.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        netdev@...r.kernel.org, Hemanth Malla <hemanthmalla@...il.com>,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Lorenz Bauer <lmb@...valent.com>
Subject: Re: [PATCH bpf-next v2 5/6] bpf, net: Support SO_REUSEPORT sockets
 with bpf_sk_assign

Hi Lorenz,

kernel test robot noticed the following build errors:

[auto build test ERROR on 25085b4e9251c77758964a8e8651338972353642]

url:    https://github.com/intel-lab-lkp/linux/commits/Lorenz-Bauer/net-export-inet_lookup_reuseport-and-inet6_lookup_reuseport/20230613-181619
base:   25085b4e9251c77758964a8e8651338972353642
patch link:    https://lore.kernel.org/r/20230613-so-reuseport-v2-5-b7c69a342613%40isovalent.com
patch subject: [PATCH bpf-next v2 5/6] bpf, net: Support SO_REUSEPORT sockets with bpf_sk_assign
config: arm-randconfig-r016-20230612 (https://download.01.org/0day-ci/archive/20230614/202306140012.hLncDFR5-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        git checkout 25085b4e9251c77758964a8e8651338972353642
        b4 shazam https://lore.kernel.org/r/20230613-so-reuseport-v2-5-b7c69a342613@isovalent.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306140012.hLncDFR5-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp1 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp4 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp7 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp10 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp13 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp16 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp19 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp22 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp25 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp28 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp31 (section: .init.text)
WARNING: modpost: lib/test_user_copy.o: section mismatch in reference: (unknown) (section: .text.fixup) -> .Ltmp34 (section: .init.text)
>> ERROR: modpost: "inet_ehashfn" [net/dccp/dccp_ipv4.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki