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  1. Qt
  2. QTBUG-101281

Loading particular svg file takes far too long

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    • 8f5075067 (dev)

      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.

        1. 44692.svg
          0.1 kB
        2. CMakeLists.txt
          0.3 kB
        3. main.cpp
          0.2 kB
        4. details.html
          1.80 MB
        For Gerrit Dashboard: QTBUG-101281
        # Subject Branch Project Status CR V
        465010,2 fuzzing: Add svg file which revealed performance regression dev qt/qtqa Status: MERGED +2 0

            qt.team.graphics.and.multimedia Qt Graphics Team
            rlohning Robert Löhning
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes