reproduce (this is a W=1 build): # https://github.com/norov/linux/commit/266545210d5afb06e8040b7c5bb21fd1bc9ff862 git remote add norov https://github.com/norov/linux git fetch --no-tags norov BITS git checkout 266545210d5afb06e8040b7c5bb21fd1bc9ff862 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # clang-22 might not be officially released. Try a lower version if installation fails. 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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash sound/core/oss/