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| author | tsepez <tsepez@chromium.org> | 2016-08-02 13:36:16 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-08-02 13:36:16 -0700 |
| commit | e21501d9427539828b5d547b9d20a752d06914aa (patch) | |
| tree | 78cc1bfe0ea26fd2a55ef7576e0cbd170dcbc396 /core/fxcodec/jbig2/JBig2_SddProc.cpp | |
| parent | 0a7552ffa04bfb0c0523bd9c88e55e82842f53a8 (diff) | |
| download | pdfium-e21501d9427539828b5d547b9d20a752d06914aa.tar.xz | |
Bound total pixels in JBig2 images to avoid overflows later.
Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.
BUG=633002
Review-Url: https://codereview.chromium.org/2202013002
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_SddProc.cpp')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_SddProc.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fxcodec/jbig2/JBig2_SddProc.cpp b/core/fxcodec/jbig2/JBig2_SddProc.cpp index 9ab6cb8a2e..c6adfce784 100644 --- a/core/fxcodec/jbig2/JBig2_SddProc.cpp +++ b/core/fxcodec/jbig2/JBig2_SddProc.cpp @@ -523,7 +523,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman( if (pStream->getByteLeft() >= stride * HCHEIGHT) { BHC = new CJBig2_Image(TOTWIDTH, HCHEIGHT); for (I = 0; I < HCHEIGHT; I++) { - JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, + JBIG2_memcpy(BHC->m_pData + I * BHC->stride(), pStream->getPointer(), stride); pStream->offset(stride); } |