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  1. Qt
  2. QTBUG-73731

QRasterPaintEnginePrivate::blitImage crashes on big images

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Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.12.2, 5.14.0 Alpha
    • 5.12.1, 5.13.0 RC 1
    • GUI: Painting
    • None
    • Linux/X11
    • a5cded843f495b4276a8289b1324778d97bed5ba (qt/qtbase/5.12.2)

    Description

      ==13173== Invalid write of size 2
      ==13173== at 0x483E9DB: memmove (vg_replace_strmem.c:1270)
      ==13173== by 0x4B8FC55: QRasterPaintEnginePrivate::blitImage(QPointF const&, QImage const&, QRect const&, QRect const&) (qpaintengine_raster.cpp:1132)
      ==13173== by 0x4B94EF7: QRasterPaintEngine::drawImage(QPointF const&, QImage const&) (qpaintengine_raster.cpp:2247)
      ==13173== by 0x4BB5208: QPainter::drawImage(QPointF const&, QImage const&) (qpainter.cpp:5400)
      ==13173== by 0x109138: main (in /home/tsdgeos/borrame/borrame)
      ==13173== Address 0xffffffffda4a386c is not stack'd, malloc'd or (recently) free'd

      Attachments

        1. main.cpp
          0.6 kB
          Albert Astals Cid

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-73732 convertARGBToRGBA64PM_avx2 crashes on big images

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; Flaky tests; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          For Gerrit Dashboard: QTBUG-73731
          # Subject Branch Project Status CR V
          252709,9 Avoid creating wide images with negative bytesPerLine 5.12.2 qt/qtbase Status: MERGED +2 0
          252713,7 Handle wide images in raster engine dev qt/qtbase Status: MERGED +2 0

          Activity

            People

              allan.jensen Allan Sandfeld Jensen
              tsdgeos_kdab Albert Astals Cid
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              Dates

                Created:
                Updated:
                Resolved:

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