Hi Jackie, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] [also build test ERROR on bpf/master linus/master v6.4 next-20230630] [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/Jackie-Liu/libbpf-kprobe-multi-Filter-with-available_filter_functions_addrs/20230701-161010 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20230701080817.1768865-1-liu.yun%40linux.dev patch subject: [PATCH v2 1/2] libbpf: kprobe.multi: cross filter using available_filter_functions and kallsyms config: x86_64-buildonly-randconfig-r001-20230702 (https://download.01.org/0day-ci/archive/20230703/202307030355.TdXOHklM-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230703/202307030355.TdXOHklM-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/202307030355.TdXOHklM-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> libbpf.c:10626:57: error: 'fscanf' may overflow; destination buffer in argument 4 has size 256, but the corresponding specifier may require size 500 [-Werror,-Wfortify-source] ret = fscanf(f, "%llx %*c %499s%*[^\n]\n", &sym_addr, sym_name); ^ 1 error generated. make[5]: *** [tools/build/Makefile.build:97: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf.o] Error 1 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [Makefile:157: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf-in.o] Error 2 make[3]: *** [Makefile:63: tools/bpf/resolve_btfids//libbpf/libbpf.a] Error 2 make[2]: *** [Makefile:76: bpf/resolve_btfids] Error 2 shuffle=967315254 make[1]: *** [Makefile:1446: tools/bpf/resolve_btfids] Error 2 shuffle=967315254 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:226: __sub-make] Error 2 shuffle=967315254 make: Target 'prepare' not remade because of errors. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
