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authorTom Sepez <tsepez@chromium.org>2015-01-08 16:37:24 -0800
committerTom Sepez <tsepez@chromium.org>2015-01-08 16:37:24 -0800
commitb07772a31f5dff723af620bc57c71daa246995c0 (patch)
tree9f825651c0eb1d6a132b4a496649aa56f5404251 /core/src/fpdfdoc
parent310d26aadffd2f3141b683f40010109a455b403a (diff)
downloadpdfium-b07772a31f5dff723af620bc57c71daa246995c0.tar.xz
Land: Protect against a seg fault in CPDF_StructElementImpl constructor.
patch from issue 680873002 at patchset 40001 (http://crrev.com/680873002#ps40001) TBR=jam@chromium.org Review URL: https://codereview.chromium.org/841943003
Diffstat (limited to 'core/src/fpdfdoc')
-rw-r--r--core/src/fpdfdoc/doc_tagged.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/core/src/fpdfdoc/doc_tagged.cpp b/core/src/fpdfdoc/doc_tagged.cpp
index 698157356c..c5fe39b6ee 100644
--- a/core/src/fpdfdoc/doc_tagged.cpp
+++ b/core/src/fpdfdoc/doc_tagged.cpp
@@ -217,9 +217,11 @@ CPDF_StructElementImpl::CPDF_StructElementImpl(CPDF_StructTreeImpl* pTree, CPDF_
m_pTree = pTree;
m_pDict = pDict;
m_Type = pDict->GetString(FX_BSTRC("S"));
- CFX_ByteString mapped = pTree->m_pRoleMap->GetString(m_Type);
- if (!mapped.IsEmpty()) {
- m_Type = mapped;
+ if (pTree->m_pRoleMap) {
+ CFX_ByteString mapped = pTree->m_pRoleMap->GetString(m_Type);
+ if (!mapped.IsEmpty()) {
+ m_Type = mapped;
+ }
}
m_pParent = pParent;
LoadKids(pDict);