Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-72900

selecting and deselecting text from start to end crash in QTextEngine:shape

    XMLWordPrintable

    Details

    • Platform/s:
      Windows
    • Commits:
      a8db9b8663f0bf3d66b36b5f743bd2fd47105cb6 (qt/qtbase/5.12.1)

      Description

      since this patch QTBUG-70946

      my test application crash

       

      I didn't test this on other OSs so just Windows

      Step to reproduce:

      1.open app

      2.start selecting text from beginning to end with mouse cursor and then move cursor to start of the text

      3.repeat step to again and again

      4.and one time it crash

       

       

      It will crash http://code.qt.io/cgit/qt/qtbase.git/tree/src/gui/text/qtextengine.cpp?h=5.12.1#n1982

       

      call stack from visual studio and some local values

       

      I build qt 5.12.1

      git clone https://code.qt.io/qt/qt5.git

      cd qt5

      git fetch --all --tags --prune

      git checkout 5.12.1

      git pull

      git submodule update --init

      git submodule update

      configure.bat -no-directwrite -no-direct2d -no-opengles3 -no-dbus -no-sql-odbc -no-sql-psql -qt-zlib -qt-libpng -qt-libjpeg -no-sse4.1 -no-sse4.2 -no-avx -no-avx2 -nomake examples -nomake tests -skip qt3d -skip qtactiveqt -skip qtcanvas3d -skip qtcharts -skip qtdatavis3d -skip qtfeedback -skip qtgamepad  -skip qtquickcontrols2 -skip qtcharts -skip qtlocation -skip qtmacextras -skip qtnetworkauth -skip qtpim -skip qtpurchasing -skip qtremoteobjects -skip qtsensors -skip qtserialbus -skip qtserialport -skip qtspeech -skip qtvirtualkeyboard -skip qtwayland -skip qtwebengine -skip qtwebchannel -skip qtwebsockets -skip qtwebview -skip qtx11extras -skip qttools -skip qtsystems -skip qtconnectivity -skip qtwinextras -skip qtmultimedia -skip qtxmlpatterns  -qt-harfbuzz -qt-freetype -platform win32-msvc -opensource -v -confirm-license -developer-build -opengl desktop -no-feature-cups -no-feature-lcdnumber -no-feature-ftp -no-feature-d3d12 -no-feature-qml-debug -no-qml-debug -debug -force-debug-info

       

        Attachments

        No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

            Assignee:
            laknoll Lars Knoll
            Reporter:
            miskol MICHAL LAZO
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved:

                Gerrit Reviews

                There are no open Gerrit changes