roles/oraswgi_manage_patches/tasks/roothas_postpatch.yml and roles/oraswgi_manage_patches/tasks/roothas_postpatch.yml check ownership of $ORACLE_HOME/bin to detemine if HA stack is locked or unlocked and roothas.sh -prepatch or roothas.sh -postpatch has to be executed consequently.
However, $ORACLE_HOME/bin doesn't change it's owner when GI home is being unlocked for patching. As of Doc ID 2511890.1 $ORACLE_HOME's owner indicates if the GI home is locked/unlocked, not $ORACLE_HOME/bin's.