Hi Stanislav, 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/Stanislav-Fomichev/bpf-cgroup_sock-lsm-flavor/20220408-063705 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: arm64-randconfig-r011-20220408 (https://download.01.org/0day-ci/archive/20220408/202204082214.0EUCPtwa-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://github.com/intel-lab-lkp/linux/commit/3c3f15b5422ca616e2585d699c47aa4e7b7dcf1d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Stanislav-Fomichev/bpf-cgroup_sock-lsm-flavor/20220408-063705 git checkout 3c3f15b5422ca616e2585d699c47aa4e7b7dcf1d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): aarch64-linux-ld: Unexpected GOT/PLT entries detected! aarch64-linux-ld: Unexpected run-time procedure linkages detected! aarch64-linux-ld: ID map text too big or misaligned aarch64-linux-ld: kernel/bpf/trampoline.o: in function `bpf_trampoline_compute_key': include/linux/bpf_verifier.h:540: undefined reference to `btf_obj_id' >> aarch64-linux-ld: include/linux/bpf_verifier.h:540: undefined reference to `btf_obj_id' -- 0-DAY CI Kernel Test Service https://01.org/lkp