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| author | Henrique Nakashima <hnakashima@chromium.org> | 2018-04-11 00:13:36 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-11 00:13:36 +0000 |
| commit | 6bebd2e3cfb7790580722836d0debab3103c94d0 (patch) | |
| tree | cb8096e419b61d4b6aa6214ac7779f672d0761d9 /core/fpdfapi/page/cpdf_psfunc.cpp | |
| parent | 486f39568b6f336b4e6c81300ee9caae54ebdff2 (diff) | |
| download | pdfium-6bebd2e3cfb7790580722836d0debab3103c94d0.tar.xz | |
Avoid stack overflow when loading CPDF_Function.chromium/3395
CPDF_StitchFuncs that reference each other create a Load() loop.
Maintaining a set of the visited CPDF_Objects during a Load()
call tree prevents that.
Bug: chromium:830221
Change-Id: I6f494da16c6d79f05870ff85cff38ff8fe69ecfe
Reviewed-on: https://pdfium-review.googlesource.com/30050
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fpdfapi/page/cpdf_psfunc.cpp')
| -rw-r--r-- | core/fpdfapi/page/cpdf_psfunc.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fpdfapi/page/cpdf_psfunc.cpp b/core/fpdfapi/page/cpdf_psfunc.cpp index 5499a47f99..6df7dff20c 100644 --- a/core/fpdfapi/page/cpdf_psfunc.cpp +++ b/core/fpdfapi/page/cpdf_psfunc.cpp @@ -13,7 +13,7 @@ CPDF_PSFunc::CPDF_PSFunc() : CPDF_Function(Type::kType4PostScript) {} CPDF_PSFunc::~CPDF_PSFunc() {} -bool CPDF_PSFunc::v_Init(CPDF_Object* pObj) { +bool CPDF_PSFunc::v_Init(CPDF_Object* pObj, std::set<CPDF_Object*>* pVisited) { auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(pObj->AsStream()); pAcc->LoadAllDataFiltered(); return m_PS.Parse(pAcc->GetSpan()); |