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Description
Steps to reproduce
The following code triggers a MemoryError
in astroid:
x=f'{0:11111111111}'
This bug was discovered by OSS-Fuzz:
https://issues.oss-fuzz.com/issues/421940232 (report not public yet)
Current behavior
Traceback (most recent call last):
File "pylint/pylint/utils/ast_walker.py", line 87, in walk
callback(astroid)
File "pylint/pylint/extensions/redefined_variable_type.py", line 100, in visit_assign
_type = node_type(node.value)
^^^^^^^^^^^^^^^^^^^^^
File "pylint/pylint/checkers/utils.py", line 1501, in node_type
for var_type in node.infer():
File "astroid/astroid/nodes/node_ng.py", line 165, in infer
for i, result in enumerate(self._infer(context=context, **kwargs)):
File "astroid/astroid/nodes/node_classes.py", line 4785, in _infer
yield from self._infer_with_values(context)
File "astroid/astroid/nodes/node_classes.py", line 4793, in _infer_with_values
for inferred in self._infer_from_values(self.values, context):
File "astroid/astroid/nodes/node_classes.py", line 4811, in _infer_from_values
for node in cls._safe_infer_from_node(nodes[0], context, **kwargs):
File "astroid/astroid/nodes/node_classes.py", line 4832, in _safe_infer_from_node
yield from node._infer(context, **kwargs)
File "astroid/astroid/nodes/node_classes.py", line 4702, in _infer
formatted = format(value_to_format, format_spec.value)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
MemoryError
Expected behavior
No crash