reproduce (this is a W=1 build): # https://github.com/bytedance/kernel/commit/c29bfa28e97ff02afd20b21fd89eb5e945a575d9 git remote add bytedance https://github.com/bytedance/kernel.git git fetch --no-tags bytedance 5.15-velinux git checkout c29bfa28e97ff02afd20b21fd89eb5e945a575d9 git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash