[marble] [Bug 453332] New: Crash on Panning with Equirectangular Projection

[Ernesto De Stefano]

https://bugs.kde.org/show_bug.cgi?id=453332

            Bug ID: 453332
           Summary: Crash on Panning with Equirectangular Projection
           Product: marble
           Version: 21.12.2
          Platform: Other
                OS: All
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: marble-bugs at kde.org
          Reporter: erndestefano at gmail.com
  Target Milestone: ---

Created attachment 148533
  --> https://bugs.kde.org/attachment.cgi?id=148533&action=edit
FullBackTrack and ScreenShot when crash occurs with Qt Debug view.

SUMMARY
If a Equirectangular Projection has been set. The crash occurs, when you try to
pan the map in order to move it under or down the vertical center of the
widget.

***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
symbols.
See
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***


STEPS TO REPRODUCE
1. Set "Equirectangular Projection"
2. Pan down/Up the map until the limit


OBSERVED RESULT
The crash occurs

EXPECTED RESULT
As for other projection the crash does not occurs.

SOFTWARE/OS VERSIONS
Windows: 
Widnows 10
Linux/KDE Plasma: 
Centos 7
Qt Version: 
Qt 5.15.2

ADDITIONAL INFORMATION
The crash is due a buffer overflow occurs in Marble code on method:
void StackedTile::pixel(int x , int y) const;
This method is called with y < 0 (when pan down) or y > buffer size (when pan
up).

-- 
You are receiving this mail because:
You are the assignee for the bug.