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| author | Lei Zhang <thestig@chromium.org> | 2018-06-29 14:52:29 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-06-29 14:52:29 +0000 |
| commit | 611da5146966980bca581e37fd85afbc2f6c763e (patch) | |
| tree | eae88ba09af08b14103381168e8199ef90ee5011 /core/fxcodec/jbig2/JBig2_PddProc.h | |
| parent | 55f82fcc12972bdf405a28c3c428e11e889e8ce1 (diff) | |
| download | pdfium-611da5146966980bca581e37fd85afbc2f6c763e.tar.xz | |
Limit image size in CJBig2_PDDProc.
CJBig2_PDDProc internally creates a CJBig2_GRDProc to create an image.
If the image is too big, then processing it can use up too much memory.
BUG=chromium:857106
Change-Id: I06a9eaed6941be1cbb7481d21048e6a1681696b7
Reviewed-on: https://pdfium-review.googlesource.com/36490
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_PddProc.h')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_PddProc.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/core/fxcodec/jbig2/JBig2_PddProc.h b/core/fxcodec/jbig2/JBig2_PddProc.h index b9f4d81cf8..13590edb41 100644 --- a/core/fxcodec/jbig2/JBig2_PddProc.h +++ b/core/fxcodec/jbig2/JBig2_PddProc.h @@ -13,6 +13,7 @@ class CJBig2_ArithDecoder; class CJBig2_BitStream; +class CJBig2_GRDProc; class CJBig2_PatternDict; class PauseIndicatorIface; struct JBig2ArithCtx; @@ -26,12 +27,14 @@ class CJBig2_PDDProc { std::unique_ptr<CJBig2_PatternDict> DecodeMMR(CJBig2_BitStream* pStream); - public: bool HDMMR; uint8_t HDPW; uint8_t HDPH; uint32_t GRAYMAX; uint8_t HDTEMPLATE; + + private: + std::unique_ptr<CJBig2_GRDProc> CreateGRDProc(); }; #endif // CORE_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ |