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  1. Qt
  2. QTBUG-43850

Regression: Random crashs in shapeTextWithHarfbuzzNG with multi threaded font usage

    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Done
    • Affects Version/s: 5.4.0
    • Fix Version/s: 5.4.1
    • Component/s: GUI: Text handling
    • Environment:
      Different linux variants, like Red Hat Enterprise 6 / 7, openSUSE 13.2 / ...
    • Commits:
      64c6bfd1f45f532ea32de49431b66e03e7593f01

      Description

      Program received signal SIGSEGV, Segmentation fault.
      [Switching to Thread 0x7ffff25a2700 (LWP 15673)]
      0x00007ffff6fc2515 in ?? () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      (gdb) bt
      #0 0x00007ffff6fc2515 in ?? () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #1 0x00007ffff6faa394 in ?? () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #2 0x00007ffff6fa9dde in ?? () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #3 0x00007ffff6d9fa77 in QTextEngine::shapeTextWithHarfbuzzNG(QScriptItem const&, unsigned short const*, int, QFontEngine*, QVector<unsigned int> const&, bool) const () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #4 0x00007ffff6da352b in QTextEngine::shapeText(int) const () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #5 0x00007ffff6da41db in QTextEngine::shape(int) const () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #6 0x00007ffff6db7cd7 in QTextLine::layout_helper(int) () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5
      #7 0x00007ffff6db8b1b in QTextLine::setLineWidth(double) () from /local/cullmann/build/aisee4.default.O0/usr/bin/libQt5Gui.so.5

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            • Assignee:
              esabraha Eskil Abrahamsen Blomfeldt
              Reporter:
              cullmann Christoph Cullmann
            • Votes:
              1 Vote for this issue
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              5 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

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