reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/brauner/linux/commit/94c9a56ad3521a28177610c63298d66de634cb9d
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github work.pidfs.file_handle
        git checkout 94c9a56ad3521a28177610c63298d66de634cb9d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash fs/