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  1. Qt
  2. QTBUG-65387

QPainter::drawPixmap() can crash in qdrawhelper_sse2

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical 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)

      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

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          Kyle
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          Kyle
        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

            allan.jensen Allan Sandfeld Jensen
            j_omega Kyle
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes