chcon可实现对文件的SEAndroid安全标签的修改

chcon -u u system/app/*
chcon -r object_r system/app/*
chcon -t system_file system/app/*
chcon -u u system/priv-app/*
chcon -r object_r system/priv-app/*
chcon -t system_file system/priv-app/*
chcon -u u system b/.so
chcon -r object_r system b/.so
chcon -t system_library_file system b/*.so

chcon -u u xxx
chcon -r object_r xxx
chcon -t system_file xxx