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| author | dsinclair <dsinclair@chromium.org> | 2016-06-07 10:43:42 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-06-07 10:43:42 -0700 |
| commit | 0687e76dc259c678b3f29a6608331f07ffd8f1e2 (patch) | |
| tree | 8cf32248ed1a228ec0b5b2fa34bdeebd4cfa7c4c | |
| parent | 705f829624bfc53e316f750bf91a32c8ae3ad1b5 (diff) | |
| download | pdfium-0687e76dc259c678b3f29a6608331f07ffd8f1e2.tar.xz | |
Check the hint table exists before using.
It's possible for the hint table to not exist event though we have a hint key
in the object database. If the table does not exist then return false from
CheckHIntTables().
BUG=pdfium:512
Review-Url: https://codereview.chromium.org/2047723002
| -rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp index f371e673ed..c705a657aa 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp @@ -748,6 +748,9 @@ FX_BOOL CPDF_DataAvail::CheckHintTables(IPDF_DataAvail::DownloadHints* pHints) { } CPDF_Array* pHintStreamRange = pDict->GetArrayBy("H"); + if (!pHintStreamRange) + return FALSE; + FX_FILESIZE szHSStart = pHintStreamRange->GetDirectObjectAt(0) ? pHintStreamRange->GetDirectObjectAt(0)->GetInteger() |