- accidently run
chmod 644 -R / - csrutil was disabled
command+son boot- run
mount -u /to allow writing - change chmod
etcto make its content run-able sudo /usr/libexec/repair_packages --verify --standard-pkgs /sudo /usr/libexec/repair_packages --repair --standard-pkgs /
P.S. sudo /usr/libexec/repair_packages --repair --standard-pkgs / couldn't be run in recovery mod