reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/ffbfbb9d09c9f8aa4361c34cfbe94fd88326c24d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Artem-Blagodarenko/ext4-validate-count-against-limit-in-ext4_dx_csum_verify-_set/20260814-134127 git checkout ffbfbb9d09c9f8aa4361c34cfbe94fd88326c24d 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 fs/