The following was noticed in the autobuilder, it occurs on multiple build machines and arches in the ipk packaging *** Warning: The following files have a UID greater than 99. You probably want to chown these to a system user: This could be related to the caching of stat info.
The biggest issue was fixed with: http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=3a78a23e767e9f3e70659ce26a4b03187e72241d and http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=60c8b258d8b1b862a4cd674c88b2d93803a460fa was also an offender. There are a few other minor issues still around however nothing serious and mostly false positives from the useradd code.