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  1. Qt
  2. QTBUG-65387

QPainter::drawPixmap() can crash in qdrawhelper_sse2

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Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.9.6, 5.11.0 Beta 3
    • 5.9.3, 5.10.0
    • GUI: Painting
    • None
    • also reproducible on linux/gcc/5.10/debug

      Windows 7 or Windows 10

      MingGW 32-bit 5.3.0

      Qt 5.9.3 or 5.10.0

      Debug build (does not happen in release)

    Description

      In the attached program, QPainter::drawPixmap will crash after about 15 seconds with a segmentation fault. This is only reproducible in a debug build.

      https://forum.qt.io/topic/86120/qt-program-crashes-on-qpainter-drawpixmap

      Attachments

        1. bugReport-master.zip
          4 kB
        2. EtVq0.png
          EtVq0.png
          25 kB
        3. EueR8.png
          EueR8.png
          186 kB

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-9340 Access violation when drawing scaled images with certain dimensions

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-35927 Windows: QPainter::drawImage crashes when certain floating points used in translate() and drawImage()

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-65387
          # Subject Branch Project Status CR V
          224279,2 Avoid of bounds memory reads when scaling and mirroring images 5.11 qt/qtbase Status: MERGED +2 0
          224359,2 Avoid of bounds memory reads when scaling and mirroring images 5.9 qt/qtbase Status: MERGED +2 0

          Activity

            People

              allan.jensen Allan Sandfeld Jensen
              j_omega Kyle
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

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