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  1. Qt
  2. QTBUG-32378

QWebpage crashes while loading certain pages

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • P1: Critical
    • 5.2.0 RC1
    • 5.1.0
    • GUI: Font handling, WebKit
    • None
    • arch linux
      windows 7 home
      Qt 5.1.0 for Windows 32-bit (MinGW 4.8, OpenGL, 666 MB)

    Description

      When trying to load some pages with QWebPage my application crashes.

      Problem seems to be in text rendering engine:

      0	??			0xfeeefeee	
      1	stringToGlyphs	qtextengine.cpp	850	0x209a393	
      2	QTextEngine::shapeTextWithHarfbuzz	qtextengine.cpp	1047	0x209afc0	
      3	QTextEngine::shapeText	qtextengine.cpp	895	0x209a606	
      4	QTextEngine::shape	qtextengine.cpp	1250	0x209c037	
      5	QTextEngine::shapeLine	qtextengine.cpp	871	0x209a4a5	
      6	QTextLine::cursorToX	qtextlayout.cpp	2577	0x20ad16f	
      7	WebCore::Font::floatWidthForComplexText(WebCore::TextRun const&, WTF::HashSet<WebCore::SimpleFontData const*, WTF::PtrHash<WebCore::SimpleFontData const*>, WTF::HashTraits<WebCore::SimpleFontData const*> >*, WebCore::GlyphOverflow*) const	D:\dev\Qt\Qt5.1.0\5.1.0\mingw48_32\bin\Qt5WebKitd.dll		0x1ba31424	
      8	??			0x2c87c65c	
      

      tested on arch linux and windows 7 home.

      same code works fine with Qt5.0.2.

      i created sample application that reproduce this bug.

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            jturcott Jocelyn Turcotte
            cascade Noiman Cascade
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            Dates

              Created:
              Updated:
              Resolved:

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