reproduce (this is a W=1 build):
        git checkout next-20250806
        b4 shazam https://lore.kernel.org/r/20250807023227.2443863-1-jiapeng.chong@linux.alibaba.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um olddefconfig
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash arch/um/kernel/skas/