Merge pull request #1760 from volatilityfoundation/bugfix/volshell_dt_traceback

Fix traceback in volshell's `dt()`

Author: ikelos

volatility3/cli/volshell/generic.py

@@ -621,12 +621,15 @@ def _display_value(self, value: Any) -> str:
                     if isinstance(value, objects.Pointer):
                         # show pointers in hex to match output for struct addrs
                         # highlight null or unreadable pointers
-                        if value == 0:
-                            suffix = " (null pointer)"
-                        elif not value.is_readable():
-                            suffix = " (unreadable pointer)"
-                        else:
-                            suffix = ""
+                        try:
+                            if value == 0:
+                                suffix = " (null pointer)"
+                            elif not value.is_readable():
+                                suffix = " (unreadable pointer)"
+                            else:
+                                suffix = ""
+                        except exceptions.SymbolError as exc:
+                            suffix = f" (unknown sized {exc.symbol_name})"
                         return f"{hex(value)}{suffix}"
                     elif isinstance(value, objects.PrimitiveObject):
                         return repr(value)