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

From: kernel test robot
Date: Tue Jun 13 2023 - 13:29:28 EST


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@xxxxxxxxx/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@xxxxxxxxxxxxx
# 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306140012.hLncDFR5-lkp@xxxxxxxxx/

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