reproduce (this is a W=1 build): git checkout e53642b87a4f4b03a8d7e5f8507fc3cd0c595ea6 b4 shazam https://lore.kernel.org/r/20251030182322.4085697-1-foxido@foxido.dev 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 SHELL=/bin/bash drivers/nvme/host/ fs/btrfs/ kernel/