reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/515c48804058db2a21f4450157a67b8c69c10384 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Edward-Adam-Davis/ext4-Add-a-sanity-check-for-next-dentry-when-insert/20241027-191200 git checkout 515c48804058db2a21f4450157a67b8c69c10384 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/ext4/