More broadly handle RecursionError, via oss-fuzz

pdfplumber/page.py

@@ -348,10 +348,7 @@ class Page(Container):
             parsed["data"] = annot
             return parsed
 
-        try:
-            raw = resolve_all(self.page_obj.annots) or []
-        except RecursionError:
-            raise MalformedPDFException("Annotations are infinitely recursive.")
+        raw = resolve_all(self.page_obj.annots) or []
         parsed = list(map(parse, raw))
         if isinstance(self, CroppedPage):
             return self._crop_fn(parsed)

pdfplumber/utils/pdfinternals.py

@@ -4,6 +4,8 @@ from pdfminer.pdftypes import PDFObjRef
 from pdfminer.psparser import PSLiteral
 from pdfminer.utils import PDFDocEncoding
 
+from .exceptions import MalformedPDFException
+
 
 def decode_text(s: Union[bytes, str]) -> str:
     """
@@ -72,7 +74,10 @@ def resolve_all(x: Any) -> Any:
         if get_dict_type(resolved) == "Page":
             return x
 
-        return resolve_all(resolved)
+        try:
+            return resolve_all(resolved)
+        except RecursionError as e:
+            raise MalformedPDFException(e)
     elif isinstance(x, (list, tuple)):
         return type(x)(resolve_all(v) for v in x)
     elif isinstance(x, dict):