diff options
| -rw-r--r-- | core/fpdfapi/parser/cpdf_data_avail.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp index f066117fe9..aac233e293 100644 --- a/core/fpdfapi/parser/cpdf_data_avail.cpp +++ b/core/fpdfapi/parser/cpdf_data_avail.cpp @@ -1168,11 +1168,12 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedData() { if (m_bLinearedDataOK) return DataAvailable; ASSERT(m_pLinearized); - if (!m_pLinearized->GetMainXRefTableFirstEntryOffset()) + if (!m_pLinearized->GetMainXRefTableFirstEntryOffset() || !m_pDocument || + !m_pDocument->GetParser() || !m_pDocument->GetParser()->GetTrailer()) { return DataError; + } if (!m_bMainXRefLoadTried) { - ASSERT(m_pDocument->GetParser()->GetTrailer()); const FX_SAFE_FILESIZE main_xref_offset = m_pDocument->GetParser()->GetTrailer()->GetIntegerFor("Prev"); if (!main_xref_offset.IsValid()) |