/usr/share/php/Icewind/SMB/Exception/ is in php-smb 1.0.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Icewind/SMB/Exception/AccessDeniedException.php
/usr/share/php/Icewind/SMB/Exception/AlreadyExistsException.php
/usr/share/php/Icewind/SMB/Exception/AuthenticationException.php
/usr/share/php/Icewind/SMB/Exception/ConnectException.php
/usr/share/php/Icewind/SMB/Exception/ConnectionException.php
/usr/share/php/Icewind/SMB/Exception/ConnectionRefusedException.php
/usr/share/php/Icewind/SMB/Exception/Exception.php
/usr/share/php/Icewind/SMB/Exception/FileInUseException.php
/usr/share/php/Icewind/SMB/Exception/ForbiddenException.php
/usr/share/php/Icewind/SMB/Exception/HostDownException.php
/usr/share/php/Icewind/SMB/Exception/InvalidHostException.php
/usr/share/php/Icewind/SMB/Exception/InvalidPathException.php
/usr/share/php/Icewind/SMB/Exception/InvalidRequestException.php
/usr/share/php/Icewind/SMB/Exception/InvalidResourceException.php
/usr/share/php/Icewind/SMB/Exception/InvalidTypeException.php
/usr/share/php/Icewind/SMB/Exception/NoLoginServerException.php
/usr/share/php/Icewind/SMB/Exception/NoRouteToHostException.php
/usr/share/php/Icewind/SMB/Exception/NotEmptyException.php
/usr/share/php/Icewind/SMB/Exception/NotFoundException.php
/usr/share/php/Icewind/SMB/Exception/TimedOutException.php