Hi Feng, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] [also build test ERROR on bpf/master net-next/main net/main linus/master v6.11-rc3 next-20240815] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Feng-zhou/bpf-Fix-bpf_get-setsockopt-to-tos-not-take-effect-when-TCP-over-IPv4-via-INET6-API/20240814-231142 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20240814084504.22172-1-zhoufeng.zf%40bytedance.com patch subject: [PATCH] bpf: Fix bpf_get/setsockopt to tos not take effect when TCP over IPv4 via INET6 API config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240815/202408152058.YXAnhLgZ-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408152058.YXAnhLgZ-lkp@xxxxxxxxx/reproduce) 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/202408152058.YXAnhLgZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): or1k-linux-ld: net/core/filter.o: in function `__bpf_getsockopt': >> filter.c:(.text+0xa69c): undefined reference to `is_tcp_sock_ipv6_mapped' >> filter.c:(.text+0xa69c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `is_tcp_sock_ipv6_mapped' or1k-linux-ld: net/core/filter.o: in function `__bpf_setsockopt': filter.c:(.text+0xd660): undefined reference to `is_tcp_sock_ipv6_mapped' filter.c:(.text+0xd660): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `is_tcp_sock_ipv6_mapped' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki