reproduce (this is a W=1 build): git checkout 211ddde0823f1442e4ad052a2f30f050145ccada b4 shazam https://lore.kernel.org/r/20251112-binder-bitmap-v5-2-8b9d7c7eca82@google.com 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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 prepare