Greeting, FYI, we noticed the following commit (built with gcc-11): commit: edae34a3ed9293b5077dddf9e51a3d86c95dc76a ("selftests net: add UDP GRO fraglist + bpf self-tests") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: kernel-selftests version: kernel-selftests-x86_64-8d3977ef-1_20220523 with following parameters: group: net ucode: 0xec test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel. test-url: https://www.kernel.org/doc/Documentation/kselftest.txt on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 28G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot clang -O2 -target bpf -c bpf/nat6to4.c -I../../bpf -I../../../../../usr/include/ -o /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-edae34a3ed9293b5077dddf9e51a3d86c95dc76a/tools/testing/selftests/net/bpf/nat6to4.o bpf/nat6to4.c:43:10: fatal error: 'bpf/bpf_helpers.h' file not found #include ^~~~~~~~~~~~~~~~~~~ 1 error generated. make: *** [bpf/Makefile:11: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-edae34a3ed9293b5077dddf9e51a3d86c95dc76a/tools/testing/selftests/net/bpf/nat6to4.o] Error 1 make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-edae34a3ed9293b5077dddf9e51a3d86c95dc76a/tools/testing/selftests/net' To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. -- 0-DAY CI Kernel Test Service https://01.org/lkp