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  1. Qt
  2. QTBUG-101281

Loading particular svg file takes far too long

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Details

    • 8f5075067 (dev)

    Description

      1. Have a build of Qt including qtsvg.
        No sanitizers needed.
      2. Build the attached project: 
        qt-cmake /tmp/report/ && cmake --build .
      3. Run the resulting binary passing the attached input file as parameter: 
        ./report /tmp/report/44692.svg

        This is completely occupying a full CPU for more than ten seconds.

      Google's oss-fuzz found this as issue 44692. They will publish the details on May 16th. You can find a backtrace in their detailed report.

      Attachments

        1. 44692.svg
          0.1 kB
          Robert Löhning
        2. CMakeLists.txt
          0.3 kB
          Robert Löhning
        3. details.html
          1.80 MB
          Robert Löhning
        4. main.cpp
          0.2 kB
          Robert Löhning

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-110595 [REG 5.15 -> 6.x] QSvgRenderer::render(QPainter*) is now ~100x slower

          • 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.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-102599 Slow painting of svg file

          • 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.
          • Closed

          Activity

            People

              qt.team.graphics.and.multimedia Qt Graphics Team
              rlohning Robert Löhning
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              Dates

                Created:
                Updated:
                Resolved: