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  1. Qt
  2. QTBUG-130992

Crash when rendering radialGradient

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Details

    • 42bd879e2 (dev), e63884c59 (6.9), e25f93c15 (6.8), 27c3e8b94 (dev)

    Description

      Simply open the attached svg file:

      <svg><radialGradient id="grd2" cx="340266920938463463374607431767777777777"></radialGradient><text stroke="url(#grd2)">N</text><text x="302"></text></svg>

      You can use it to construct a QSvgRenderer and then call render(QPainter *) on that or you can just try opening it in Qt Creator. Both will lead to a crash.

      Google's oss-fuzz found this as issue 42533347. Their report is public.

      Attachments

        1. QTBUG-130992.svg
          0.1 kB
        2. Backtrace1.txt
          121 kB
        3. 42533347.svg
          0.2 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-120332 [REG 6.6.1 -> 6.7] rendering svg causes division by zero in getRadialGradientValues

          • 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; 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.
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              rlohning Robert Löhning
              rlohning Robert Löhning
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              Dates

                Created:
                Updated:
                Resolved:

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