diff options
| author | weili <weili@chromium.org> | 2016-08-23 22:08:37 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-08-23 22:08:37 -0700 |
| commit | a470b5e5371d0674d06068ec38d0d3c3279e85e1 (patch) | |
| tree | e13f893084515082052e30c1cb8d94ec6303e38b /core/fpdfapi/fpdf_page/cpdf_image.cpp | |
| parent | 0dadcc6fdab7ad1f2ee95d763f31aad5d3534f93 (diff) | |
| download | pdfium-a470b5e5371d0674d06068ec38d0d3c3279e85e1.tar.xz | |
Fix stack overflow in object Clone() functions
For some complex objects such as CPDF_Dictionary, CPDF_Array,
CPDF_Stream, and CPDF_Reference, Clone() could be executed with
infinite recursion to cause the stack overflow. Fix this by
checking already cloned objects to avoid recursion.
BUG=pdfium:513
Review-Url: https://codereview.chromium.org/2250533002
Diffstat (limited to 'core/fpdfapi/fpdf_page/cpdf_image.cpp')
| -rw-r--r-- | core/fpdfapi/fpdf_page/cpdf_image.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fpdfapi/fpdf_page/cpdf_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp index af361eb9f6..2b3625bfc2 100644 --- a/core/fpdfapi/fpdf_page/cpdf_image.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp @@ -69,7 +69,7 @@ CPDF_Image* CPDF_Image::Clone() { CPDF_Image* pImage = new CPDF_Image(m_pDocument, ToStream(m_pStream->Clone()), m_bInline); if (m_bInline) - pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); + pImage->SetInlineDict(ToDictionary(m_pInlineDict->CloneDirectObject())); return pImage; } |