https://bugs.kde.org/show_bug.cgi?id=399277

            Bug ID: 399277
           Summary: Gcompris segfaults from erase.c when doing window wipe
                    game
           Product: gcompris
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: bruno.coud...@gcompris.net
          Reporter: p...@alicious.com
  Target Milestone: ---

SUMMARY

Gcompris crashes repeatably when playing the window wiping mouse game.


STEPS TO REPRODUCE
1. start gcompris, select mouse games, select window wipe game
2. play game, at level 1
3. keep wiping windows, it crashes eventually; sometimes takes a few goes

OBSERVED RESULT

We get a segfault, under gdb the following output:

[New Thread 0x7fff9dd22700 (LWP 20331)]
[New Thread 0x7fffd0b60700 (LWP 20332)]
[New Thread 0x7fffe90e9700 (LWP 20333)]
[New Thread 0x7fffbc03b700 (LWP 20334)]
[New Thread 0x7fffe88e8700 (LWP 20335)]
[Thread 0x7fffe90e9700 (LWP 20333) exited]
[New Thread 0x7fffe90e9700 (LWP 20336)]

Thread 1 "gcompris" received signal SIGSEGV, Segmentation fault.
0x00007fffbb22fee7 in erase_one_item (item=0x555555ab4e30) at erase.c:460
460     erase.c: No such file or directory.
(gdb) bt
#0  0x00007fffbb22fee7 in erase_one_item (item=0x555555ab4e30) at erase.c:460
#1  0x00007ffff58c68a3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff58c5e25 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff58c61f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff58c6502 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff767e727 in gtk_main () from
/usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#6  0x0000555555562ef5 in main (argc=<optimised out>, argv=<optimised out>) at
gcompris.c:2069
(gdb) 


EXPECTED RESULT

Don't segfault, let us wipe lots of windows, yay! Way to go! Awesome!

SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.12.4-0ubuntu1~ubuntu17.10~ppa1
KDE Frameworks Version: 5.44.0-0ubuntu3~ubuntu17.10~ppa1
Qt Version: 4.8.7 (4:4.8.7+dfsg-7ubuntu1)

ADDITIONAL INFORMATION

Happy to help with repeating the crash, have repeated about 5 times; varies how
long it takes but it might need one to change level repeatedly first, not
entirely sure.

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