reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/ba1a9217cab83b2001b2907b4357243251c3dfbc
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov stack_magic
        git checkout ba1a9217cab83b2001b2907b4357243251c3dfbc

        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # clang-22 might not be officially released. Try a lower version if installation fails.
        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm prepare