[Wayland-bugs] [Bug 100897] SIGSEGV on desktop-shell focus change

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100897

            Bug ID: 100897
           Summary: SIGSEGV on desktop-shell focus change
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: weston
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: worknesday at gmail.com

As seen on SHA 9ad4de1f7ad411fcb5a62eb85e17cf96ae076a0f; no modification

Stack trace:
    #0  0x00007ffff79a0313 in wl_list_insert () from
/usr/lib64/libwayland-server.so.0
    #1  0x00007fffeeae16cf in wl_signal_add (signal=<optimized out>,
listener=<optimized out>) at /usr/include/wayland-server-core.h:320
    #2  focus_state_set_focus (state=<optimized out>, surface=<optimized out>)
at desktop-shell/shell.c:735
    #3  0x00007fffeeae7435 in activate (shell=0x7820e0, view=<optimized out>,
seat=0x622100, flags=3) at desktop-shell/shell.c:3686
    #4  0x00007ffff7bc5d5d in weston_compositor_run_button_binding
(compositor=compositor at entry=0x614c60, pointer=pointer at entry=0x76c900, 
        time=time at entry=3071980015, button=button at entry=272,
state=state at entry=WL_POINTER_BUTTON_STATE_PRESSED) at libweston/bindings.c:368
    #5  0x00007ffff7bc13cd in notify_button (seat=seat at entry=0x622100,
time=3071980015, button=button at entry=272, 
        state=WL_POINTER_BUTTON_STATE_PRESSED) at libweston/input.c:1673
    #6  0x00007ffff531065b in x11_backend_deliver_button_event (event=0x7bc180,
b=0x622070) at libweston/compositor-x11.c:1230
    #7  x11_backend_handle_event (fd=<optimized out>, mask=<optimized out>,
data=0x622070) at libweston/compositor-x11.c:1422
    #8  0x00007ffff799dd12 in wl_event_loop_dispatch () from
/usr/lib64/libwayland-server.so.0
    #9  0x00007ffff799c1b5 in wl_display_run () from
/usr/lib64/libwayland-server.so.0
    #10 0x0000000000405719 in main (argc=1, argv=<optimized out>) at
compositor/main.c:1969

surface data:
    (gdb) p *es
    $6 = {resource = 0x7b2fb0, destroy_signal = {listener_list = {prev =
0x622190, next = 0x793a90}}, ...

    (gdb) p *es->destroy_signal.listener_list.prev
    $10 = {prev = 0x0, next = 0x7e1348}

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