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  1. Qt
  2. QTBUG-111850

[REG 6.2.2 -> 6.2.3] Loading particular svg file takes far too long

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Details

    • Bug
    • Resolution: Fixed
    • P1: Critical
    • 6.2.9, 6.5.1, 6.6.0
    • 6.2.3, 6.4.0, 6.6
    • SVG Support
    • Ubuntu 20.04 LTS
      g++ 9.4.0
      clang 10.0.0
    • d130c74f4 (dev), c4f0404dc (tqtc/lts-6.2), 257079649 (6.5)

    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/56011.svg

        This is completely occupying a full CPU for more than two minutes.

      Google's oss-fuzz found this as issue 56011. They will publish the details on May 16th. You can find a backtrace in their detailed report.

      Attachments

        1. 56011.svg
          75 kB
        2. CMakeLists.txt
          0.3 kB
        3. details.html
          2.07 MB
        4. main.cpp
          0.2 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-105151 [REG 6.2.2 -> 6.2.3] fuzz: undefined behaviour in QRectF/QRect

          • 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.
          • Reported

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-110136 [REG 6.3.1 -> 6.3.2] Crash when rendering SVG image on the minimal plugin

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported
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          Activity

            People

              esabraha Eskil Abrahamsen Blomfeldt
              rlohning Robert Löhning
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              Dates

                Created:
                Updated:
                Resolved:

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