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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp15
1 files changed, 6 insertions, 9 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 5df4a6ff7f..b1dfc73af7 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -2433,16 +2433,13 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, PARSE_CONTEXT
pContext->m_DataStart = m_Pos;
}
- base::CheckedNumeric<FX_FILESIZE> pos = m_Pos;
- pos += len;
- if (pos.IsValid() && pos.ValueOrDie() < m_FileLen) {
- m_Pos = pos.ValueOrDie();
- } else {
- return NULL;
- }
-
CPDF_CryptoHandler* pCryptoHandler = objnum == (FX_DWORD)m_MetadataObjnum ? NULL : m_pCryptoHandler;
if (pCryptoHandler == NULL) {
+ base::CheckedNumeric<FX_FILESIZE> pos = m_Pos;
+ pos += len;
+ if (pos.IsValid() && pos.ValueOrDie() < m_FileLen) {
+ m_Pos = pos.ValueOrDie();
+ }
GetNextWord();
if (m_WordSize < 9 || FXSYS_memcmp32(m_WordBuffer, "endstream", 9)) {
m_Pos = StreamStartPos;
@@ -2473,8 +2470,8 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, PARSE_CONTEXT
}
}
}
+ m_Pos = StreamStartPos;
}
- m_Pos = StreamStartPos;
CPDF_Stream* pStream;
#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
pStream = FX_NEW CPDF_Stream(m_pFileAccess, pCryptoHandler, m_HeaderOffset + m_Pos, len, pDict, gennum);