From 682118834b3cf2b5510ee676088fdd8f11869e84 Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Sat, 16 Dec 2017 06:52:48 +0000 Subject: Fix null-dereference in CPDF_ShadingPattern::Load(). BUG=chromium:795490 TBR=hnakashima@chromium.org Change-Id: Ic9f12c1c709c148f7294ab2aaf65fcc695960835 Reviewed-on: https://pdfium-review.googlesource.com/21530 Reviewed-by: Lei Zhang Commit-Queue: Lei Zhang --- core/fpdfapi/page/cpdf_shadingpattern.cpp | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'core') diff --git a/core/fpdfapi/page/cpdf_shadingpattern.cpp b/core/fpdfapi/page/cpdf_shadingpattern.cpp index 585a925ba7..ef40f54182 100644 --- a/core/fpdfapi/page/cpdf_shadingpattern.cpp +++ b/core/fpdfapi/page/cpdf_shadingpattern.cpp @@ -89,13 +89,14 @@ bool CPDF_ShadingPattern::Load() { CPDF_DocPageData* pDocPageData = document()->GetPageData(); m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr); - // The color space cannot be a Pattern space, according to the PDF 1.7 spec, - // page 305. - if (m_pCS->GetFamily() == PDFCS_PATTERN) - return false; + if (m_pCS) { + // The color space cannot be a Pattern space, according to the PDF 1.7 spec, + // page 305. + if (m_pCS->GetFamily() == PDFCS_PATTERN) + return false; - if (m_pCS) m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray()); + } m_ShadingType = ToShadingType(pShadingDict->GetIntegerFor("ShadingType")); -- cgit v1.2.3