code: def test_redos(newline):
      malicious = b" trailer<<>>" + newline * 3456
  
      # This particular exception isn't relevant here.
      # The important thing is it doesn't timeout, cause a ReDoS (CVE-2021-25292).
      with pytest.raises(PdfParser.PdfFormatError):
          PdfParser.PdfParser(buf=malicious)
  
imports: import io
  import os
  import os.path
  import tempfile
  import time
  import pytest
  from PIL import Image, PdfParser
  from .helper import hopper, mark_if_feature_version
label_desc: Use image node_id 17 for calling a global function with example usage: test_redos(newline) without return types