PdfObject.cpp:678：Segmentation fault

[Liujiahao0]

I'm submitting a Bug report

• [Bug report] What is the current behavior?
  System prompt Segmentation fault

• [Bug report] What is the expected behavior?
  Extracting Text Content from PDF Files

• [Bug report] Please provide the steps to reproduce and if possible a minimal reproduction code of the problem
  podofotxextract 1.pdf
  podofo/src/podofo/main/PdfObject.cpp：
  PdfDictionary& PdfObject::GetDictionary()
  {
  DelayedLoad();
  return m_Variant.GetDictionary();
  }

• Please tell us about your environment:

  • Version/git revision: [0.11.0]
  • Operating System: Linux (64 bits)
  • Package manager used: [apt]

• [Bug report/Feature request] Other information

  The stack information is as follows：
  Program received signal SIGSEGV, Segmentation fault.
  PoDoFo::PdfObject::GetDictionary (this=0x0) at /podofo/src/podofo/main/PdfObject.cpp:678
  678 DelayedLoad();
  (gdb) bt
  #0 PoDoFo::PdfObject::GetDictionary (this=0x0) at /Oscar01/liujiahao/podofo/src/podofo/main/PdfObject.cpp:678
  PoDoFo creates unreadable PDFs when OpenSSL RC4 is not available and PODOFO_HAVE_OPENSSL_NO_RC4 is set #1 0x00007ffff7d777f2 in PoDoFo::PdfFont::TryCreateFromObject (obj=..., font=std::unique_ptrPoDoFo::PdfFont = {...})
  at /Oscar01/liujiahao/podofo/src/podofo/main/PdfFontFactory.cpp:106
  Remove annotations from PDF files #2 0x00007ffff7d7c130 in PoDoFo::PdfFontManager::GetLoadedFont (this=0x7fffffffe7c0, resources=..., name=...)
  at /Oscar01/liujiahao/podofo/src/podofo/main/PdfFontManager.cpp:114
  Add support for Unicode combining marks #3 0x00007ffff7df6231 in ExtractionContext::Tf_Operator (this=this@entry=0x7fffffffe018, fontname=..., fontsize=, fontsize@entry=360)
  at /Oscar01/liujiahao/podofo/src/podofo/main/PdfPage_TextExtraction.cpp:882
  Second digital signature invalidates the first one #4 0x00007ffff7df4883 in PoDoFo::PdfPage::ExtractTextTo (this=, entries=..., pattern=..., params=...)
  at /Oscar01/liujiahao/podofo/src/podofo/main/PdfPage_TextExtraction.cpp:282
  Fix declaration of operator<< for PoDoFo::PdfString #5 0x00000000004036b1 in Main (args=...) at /Oscar01/liujiahao/podofo/tools/podofotxtextract/podofotxtextract.cpp:40
  ColorTest (and maybe others) are broken on aarch64 (aka arm64) #6 0x00000000004040d8 in main (argc=, argv=) at /Oscar01/liujiahao/podofo/tools/private/MainEntryPoint.cpp:35

1.pdf