reproduce (this is a W=1 build): git checkout 071876fd50482a68603a9460d80dd6dd58827ee1 b4 shazam https://lore.kernel.org/r/20261004-ax88179a-v16-4-2a9ae4e68f7b@birger-koblitz.de # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # clang-24 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=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/usb/