reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/c530e6833e620f56bf4b7296a0d95fb4d58bb76e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Levi-Zim-via-B4-Relay/bpf-Implement-bpf_probe_read_kernel_dynptr-helper/20250125-163114 git checkout c530e6833e620f56bf4b7296a0d95fb4d58bb76e # 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 kernel/trace/