reproduce (this is a W=1 build):
        git checkout ebaf7c9bbb1e16523d7036e7e1225ad2dfcc6482
        b4 shazam https://lore.kernel.org/r/20260911-fixes-verify-rwx-v2-1-e2cde39b6693@kernel.org

        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/mm/pat/