| Summary: |
Dispatcher: null pointer dereference if ObserveChannels times out |
| Product: |
Telepathy
|
Reporter: |
Simon McVittie <smcv> |
| Component: |
mission-control | Assignee: |
Telepathy bugs list <telepathy-bugs> |
| Status: |
RESOLVED
FIXED
|
QA Contact: |
Telepathy bugs list <telepathy-bugs> |
| Severity: |
normal
|
|
|
| Priority: |
medium
|
|
|
| Version: |
unspecified | |
|
| Hardware: |
Other | |
|
| OS: |
All | |
|
| Whiteboard: |
|
|
i915 platform:
|
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i915 features:
|
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|---|
| Attachments: |
Unfinished regression test which demonstrates the bug
|
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Created attachment 24429 [details] Unfinished regression test which demonstrates the bug An unfinished test that does not yet return from ObserveChannels (attached) causes Mission Control to segfault. #0 0x4005a970 in mcd_connection_get_account (id=0x0) at mcd-connection.c:1982 No locals. #1 0x40064afc in mcd_dispatcher_context_get_protocol_name (context=0x8b92740) at mcd-dispatcher.c:2911 conn = (McdConnection *) 0x0 account = <value optimized out> #2 0x4006d6d0 in mcd_dispatcher_run_handlers (context=0x8b92740) at mcd-dispatcher.c:815 channels = (GList *) 0x8b93d90 unhandled = (GList *) 0x8b88830 #3 0x4006e0bd in mcd_dispatcher_context_release_client_lock ( context=0x8b92740) at mcd-dispatcher.c:1346 __PRETTY_FUNCTION__ = "mcd_dispatcher_context_release_client_lock" #4 0x4006e304 in observe_channels_cb (proxy=0x8b72f50, error=0x8b93da0, user_data=0x8b92740, weak_object=0x8b82828) at mcd-dispatcher.c:1360 __PRETTY_FUNCTION__ = "observe_channels_cb" #5 0x4006c0d7 in _mc_cli_client_observer_invoke_callback_observe_channels ( self=0x8b72f50, error=0x8b93da0, args=0x0, generic_callback=0x4006e270 <observe_channels_cb>, user_data=0x8b92740, weak_object=0x8b82828) at _gen/cli-client-body.h:626 No locals. #6 0x402afdf7 in tp_proxy_pending_call_idle_invoke (p=0x8b8f6b0) at proxy-methods.c:153 invoke = (TpProxyInvokeFunc) 0x8b73bd8 __PRETTY_FUNCTION__ = "tp_proxy_pending_call_idle_invoke" #7 0x403a5811 in g_idle_dispatch (source=0x8b93af0, callback=0, user_data=0x8b8f6b0) at /build/buildd-glib2.0_2.20.0-2-i386-rcJiVy/glib2.0-2.20.0/glib/gmain.c:3922 No locals. #8 0x403a7718 in IA__g_main_context_dispatch (context=0x8b77da8) at /build/buildd-glib2.0_2.20.0-2-i386-rcJiVy/glib2.0-2.20.0/glib/gmain.c:1814 No locals. #9 0x403aac7b in g_main_context_iterate (context=0x8b77da8, block=1, dispatch=1, self=0x8b7b9d0) at /build/buildd-glib2.0_2.20.0-2-i386-rcJiVy/glib2.0-2.20.0/glib/gmain.c:2448 max_priority = -100 timeout = 0 some_ready = 1 nfds = 0 allocated_nfds = <value optimized out> fds = (GPollFD *) 0x8b7c260 __PRETTY_FUNCTION__ = "g_main_context_iterate" #10 0x403ab14a in IA__g_main_loop_run (loop=0x8b78bc0) at /build/buildd-glib2.0_2.20.0-2-i386-rcJiVy/glib2.0-2.20.0/glib/gmain.c:2656 self = (GThread *) 0x8b7b9d0 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #11 0x4007690e in mcd_service_run (self=0x8b7f810) at mcd-service.c:987 No locals. #12 0x080492c0 in main () at mc-debug-server.c:109 bus_daemon = <value optimized out> mcd = <value optimized out> error = (GError *) 0x0 connection = (DBusConnection *) 0x8b76438 ret = <value optimized out>