* Re: [PATCH bpf-next 2/3] bpf: Add support for writing to nf_conn:mark
[not found] <f850bb7e20950736d9175c61d7e0691098e06182.1660592020.git.dxu@dxuuu.xyz>
@ 2022-08-18 20:01 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-08-18 20:01 UTC (permalink / raw)
To: Daniel Xu, bpf, ast, daniel, andrii, memxor
Cc: llvm, kbuild-all, Daniel Xu, pablo, fw, netfilter-devel, netdev,
linux-kernel
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/Support-direct-writes-to-nf_conn-mark/20220816-060429
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: arm-versatile_defconfig (https://download.01.org/0day-ci/archive/20220819/202208190318.HygywK17-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/c7b21d163eb9c61514dd86baf4281deb4d4387bb
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Daniel-Xu/Support-direct-writes-to-nf_conn-mark/20220816-060429
git checkout c7b21d163eb9c61514dd86baf4281deb4d4387bb
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> net/core/filter.c:8723:10: error: call to undeclared function 'btf_struct_access'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return btf_struct_access(log, btf, t, off, size, atype, next_btf_id,
^
net/core/filter.c:8797:10: error: call to undeclared function 'btf_struct_access'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return btf_struct_access(log, btf, t, off, size, atype, next_btf_id,
^
2 errors generated.
vim +/btf_struct_access +8723 net/core/filter.c
8714
8715 static int tc_cls_act_btf_struct_access(struct bpf_verifier_log *log,
8716 const struct btf *btf,
8717 const struct btf_type *t, int off,
8718 int size, enum bpf_access_type atype,
8719 u32 *next_btf_id,
8720 enum bpf_type_flag *flag)
8721 {
8722 if (atype == BPF_READ)
> 8723 return btf_struct_access(log, btf, t, off, size, atype, next_btf_id,
8724 flag);
8725
8726 return nf_conntrack_btf_struct_access(log, btf, t, off, size, atype,
8727 next_btf_id, flag);
8728 }
8729
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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