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| author | JUN FANG <jun_fang@foxitsoftware.com> | 2014-12-17 13:58:56 -0800 |
|---|---|---|
| committer | JUN FANG <jun_fang@foxitsoftware.com> | 2014-12-17 14:06:56 -0800 |
| commit | 1a6785b2dd574e61ee3d666fb7fff3f09599776d (patch) | |
| tree | 8f9af29a206600918814549df0034cbb1e8e4cc3 /core/src | |
| parent | 9011fca3cb6b82ca214260df12895ab109eedf33 (diff) | |
| download | pdfium-1a6785b2dd574e61ee3d666fb7fff3f09599776d.tar.xz | |
XFA: merge patch from issue 803103002
Before this fix, the root will be released when an indirect object has the
same object number with the root. However, the root object is loaded when
the trailer is parsed. It shall not be updated or replaced anymore.
BUG=425040
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/803103002
Diffstat (limited to 'core/src')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index a57771742a..0397971c95 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -1007,7 +1007,15 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE pos, FX_FILESIZE& prev, FX_BOOL return FALSE; } if (m_pDocument) { - m_pDocument->InsertIndirectObject(pStream->m_ObjNum, pStream); + CPDF_Dictionary * pDict = m_pDocument->GetRoot(); + if (!pDict || pDict->GetObjNum() != pStream->m_ObjNum) { + m_pDocument->InsertIndirectObject(pStream->m_ObjNum, pStream); + } else { + if (pStream->GetType() == PDFOBJ_STREAM) { + pStream->Release(); + } + return FALSE; + } } if (pStream->GetType() != PDFOBJ_STREAM) { return FALSE; |