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  1. Qt
  2. QTBUG-95239

Massive memory consumption when rendering small svg

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Details

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

    Description

      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.

      Attachments

        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

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-99116 Integration Patch for Qt 5.12.11 Version

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-101581 Crash when zooming invalid image

          • 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
          For Gerrit Dashboard: QTBUG-95239
          # Subject Branch Project Status CR V
          361724,2 Improve fix for avoiding huge number of tiny dashes dev qt/qtbase Status: MERGED +2 0
          362114,2 Improve fix for avoiding huge number of tiny dashes 6.1 qt/qtbase Status: MERGED +2 0
          362115,2 Improve fix for avoiding huge number of tiny dashes 6.2 qt/qtbase Status: MERGED +2 0
          362117,2 Improve fix for avoiding huge number of tiny dashes tqtc/lts-5.15 qt/tqtc-qtbase Status: MERGED +2 0
          362232,4 fuzzing: Add testcases for recently fixed issues dev qt/qtqa Status: MERGED +2 0
          377942,2 Improve fix for avoiding huge number of tiny dashes 5.12 qt/qtbase Status: MERGED +2 0

          Activity

            People

              vgt Eirik Aavitsland
              rlohning Robert Löhning
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews