reproduce (this is a W=1 build): git checkout 08dbfad3f5040f5bdb6c529da20d6d4e81fefd72 b4 shazam https://lore.kernel.org/r/20260830142404.37663-1-pengpeng@iscas.ac.cn 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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash