/usr/share/gdb/python/ is in gdb 8.1-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gdb/python/gdb/
/usr/share/gdb/python/gdb/FrameDecorator.py
/usr/share/gdb/python/gdb/FrameIterator.py
/usr/share/gdb/python/gdb/__init__.py
/usr/share/gdb/python/gdb/command/
/usr/share/gdb/python/gdb/command/__init__.py
/usr/share/gdb/python/gdb/command/explore.py
/usr/share/gdb/python/gdb/command/frame_filters.py
/usr/share/gdb/python/gdb/command/pretty_printers.py
/usr/share/gdb/python/gdb/command/prompt.py
/usr/share/gdb/python/gdb/command/type_printers.py
/usr/share/gdb/python/gdb/command/unwinders.py
/usr/share/gdb/python/gdb/command/xmethods.py
/usr/share/gdb/python/gdb/frames.py
/usr/share/gdb/python/gdb/function/
/usr/share/gdb/python/gdb/function/__init__.py
/usr/share/gdb/python/gdb/function/as_string.py
/usr/share/gdb/python/gdb/function/caller_is.py
/usr/share/gdb/python/gdb/function/strfns.py
/usr/share/gdb/python/gdb/printer/
/usr/share/gdb/python/gdb/printer/__init__.py
/usr/share/gdb/python/gdb/printer/bound_registers.py
/usr/share/gdb/python/gdb/printing.py
/usr/share/gdb/python/gdb/prompt.py
/usr/share/gdb/python/gdb/types.py
/usr/share/gdb/python/gdb/unwinder.py
/usr/share/gdb/python/gdb/xmethod.py