reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/f616ce4610a093c31c591de82787e2f8f5bc9f6a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Mark-Brown/linux-next-build-failure-after-merge-of-the-fsverity-tree/20260203-214224
        git checkout f616ce4610a093c31c591de82787e2f8f5bc9f6a

        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 fs/f2fs/