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  1. Qt
  2. QTBUG-95239

Massive memory consumption when rendering small svg

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    • 6b400e3147dcfd8cc3a393ace1bd118c93762e0c (qt/qtbase/dev) 1ca02cf2879a5e1511a2f2109f0925cf4c892862 (qt/qtbase/6.1) c1ad72ff588275b7b67683bf43cab33e4e0de4ea (qt/tqtc-qtbase/5.15) 202143ba41f6ac574f1858214ed8bf4a38b73ccd (qt/qtbase/6.2)

      1. Build the attached project.
        No sanitizers needed.
      2. Run the resulting binary, passing in the attached input file: 
        ./report 36161.svg

        The process will consume loads of memory. Here it's more than 8GiB.

      Google's oss-fuzz found this as issue 36161. They will publish the details 87 days from now.

        1. 35566.svg
          0.4 kB
        2. 35913.svg
          0.1 kB
        3. 36161.svg
          0.1 kB
        4. main.cpp
          0.4 kB
        5. report.pro
          0.0 kB
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            vgt Eirik Aavitsland
            rlohning Robert Löhning
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              Created:
              Updated:
              Resolved: