[Wayland-bugs] [Bug 66198] New: received signal SIGSEGV on weston_surface_from_global_float()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66198

          Priority: medium
            Bug ID: 66198
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: received signal SIGSEGV on
                    weston_surface_from_global_float()
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: samuel_ig at yahoo.es
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: weston
           Product: Wayland

Created attachment 81457
  --> https://bugs.freedesktop.org/attachment.cgi?id=81457&action=edit
GDB output

Following the steps on https://bugs.freedesktop.org/show_bug.cgi?id=66167 I
found a different issue.

Also, it's easier to reproduce if doing these steps:

1. Launch gtk3-demo
2. In the left panel (titled Widget), double-click the "Application window"
demo from the list. 
3. On the toolbar, click on File and move to the right to show the rest of
popup menus (File, Preferences, Help) and to then to the left several times.
4. Observe how Weston receives a SIGSEGV.


Apparently, compositor->surface_list is corrupted (see the attached GDB
output). A workaround patch is attached to this bug report.

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