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  1. Qt
  2. QTBUG-32936

QT access violation on www.utk.edu (WOFF font QT 5.10)

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Details

    • Bug
    • Resolution: Incomplete
    • Not Evaluated
    • None
    • 5.1.0
    • Core: QtConcurrent
    • None
    • windows 8 64bit.

    Description

      All other website are fine except www.utk.edu, access violation. (QT 5.1 msvc2012 64bit opengl)

      After some debugging, what happened is it has a embedded css font, the font might be corrupt. In Qt5.1.0\5.1.0\Src\qtbase\src\plugins\platforms\windows\qwindowsfontdatabase.cpp, in function
      TableDirectory *EmbeddedFont::tableDirectoryEntry(const QByteArray &tagName), offsetSubTable->numTables is big and the loop run out of allocated memory boundries.

      The site uses WOFF font (superclarendon), and QT try to parse it with open type format. I have the font file attached.

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            esabraha Eskil Abrahamsen Blomfeldt
            gzhangx Gang
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            Dates

              Created:
              Updated:
              Resolved:

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