reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/brauner/linux/commit/662342bfac7e9c924634ae390d3d97294b172773
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github vfs.fixes
        git checkout 662342bfac7e9c924634ae390d3d97294b172773
        # save the config file
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 ARCH=loongarch