[Bug 34707] New: Crash tp_g_signal_connect_object

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34707

           Summary: Crash tp_g_signal_connect_object
           Product: Telepathy
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: tp-glib
        AssignedTo: telepathy-bugs at lists.freedesktop.org
        ReportedBy: guillaume.desmottes at collabora.co.uk
         QAContact: telepathy-bugs at lists.freedesktop.org


Original report: https://bugzilla.gnome.org/show_bug.cgi?id=643097

It seems that Pochu's empathy-auth-client crashes because of
tp_g_signal_connect_object

See https://bugzilla.gnome.org/page.cgi?id=trace.html&trace_id=226078 for the
trace

Valgrind hits the error:

==17345== Invalid read of size 4
==17345==    at 0xC4860A6: object_remove_closure (gobject.c:3323)
==17345==    by 0xC483F6C: g_closure_invalidate (gclosure.c:268)
==17345==    by 0xC483D3C: g_closure_unref (gclosure.c:588)
==17345==    by 0xC495A35: handler_unref_R (gsignal.c:637)
==17345==    by 0xC495BF6: g_signal_handler_disconnect (gsignal.c:2389)
==17345==    by 0x8A88432: observer_destroyed_cb (util.c:934)
==17345==    by 0xC485ACF: weak_refs_notify (gobject.c:2231)
==17345==    by 0xCCFAC81: g_datalist_clear (gdataset.c:215)
==17345==    by 0xC486479: g_object_unref (gobject.c:2697)
==17345==    by 0xC48414D: g_closure_invoke (gclosure.c:767)
==17345==    by 0xC49C656: signal_emit_unlocked_R (gsignal.c:3252)
==17345==    by 0xC49DCD5: g_signal_emit_valist (gsignal.c:2983)
==17345==  Address 0x8 is not stack'd, malloc'd or (recently) free'd
==17345== 
==17345== 
==17345== Process terminating with default action of signal 11 (SIGSEGV)
==17345==  Access not within mapped region at address 0x8
==17345==    at 0xC4860A6: object_remove_closure (gobject.c:3323)
==17345==    by 0xC483F6C: g_closure_invalidate (gclosure.c:268)
==17345==    by 0xC483D3C: g_closure_unref (gclosure.c:588)
==17345==    by 0xC495A35: handler_unref_R (gsignal.c:637)
==17345==    by 0xC495BF6: g_signal_handler_disconnect (gsignal.c:2389)
==17345==    by 0x8A88432: observer_destroyed_cb (util.c:934)
==17345==    by 0xC485ACF: weak_refs_notify (gobject.c:2231)
==17345==    by 0xCCFAC81: g_datalist_clear (gdataset.c:215)
==17345==    by 0xC486479: g_object_unref (gobject.c:2697)
==17345==    by 0xC48414D: g_closure_invoke (gclosure.c:767)
==17345==    by 0xC49C656: signal_emit_unlocked_R (gsignal.c:3252)
==17345==    by 0xC49DCD5: g_signal_emit_valist (gsignal.c:2983)
==17345==  If you believe this happened as a result of a stack
==17345==  overflow in your program's main thread (unlikely but
==17345==  possible), you can try to increase the size of the
==17345==  main thread stack using the --main-stacksize= flag.
==17345==  The main thread stack size used in this run was 8388608.

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