[Bug 784012] decodebin3: Protect dbin->collection with the SELECTION_LOCK

Tue Jun 20 19:48:45 UTC 2017

https://bugzilla.gnome.org/show_bug.cgi?id=784012

--- Comment #2 from Thibault Saunier <tsaunier at gnome.org> ---
A simple way to reproduce the race is by doing:

USE_PLAYBIN3=true gst-validate-launcher -m -t
validate.rtsp.playback.change_state_intensive.test5_mkv

Traceback:

Thread 23 "rtpjitterbuffer" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffa0ff9700 (LWP 32571)]
0x00007ffff78e87f8 in gst_stream_get_stream_id (stream=0x0) at
../subprojects/gstreamer/gst/gststreams.c:265
265      return stream->stream_id;
#0  0x00007ffff78e87f8 in gst_stream_get_stream_id (stream=0x0) at
../subprojects/gstreamer/gst/gststreams.c:265
#1  0x00007fffdc70c637 in update_requested_selection (dbin=0x555555c9c500,
collection=0x7fff98002e80) at
../subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c:1039
#2  0x00007fffdc70d7c4 in gst_decodebin3_handle_message (bin=0x555555c9c500,
message=0x7fffb8023020) at
../subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c:1318
#3  0x00007ffff785ff8e in bin_bus_handler (bus=0x5555558d6a40,
message=0x7fffb8023120, bin=0x555555c9c500) at
../subprojects/gstreamer/gst/gstbin.c:3267
#4  0x00007ffff786d77d in gst_bus_post (bus=0x5555558d6a40,
message=0x7fffb8023120) at ../subprojects/gstreamer/gst/gstbus.c:336
#5  0x00007ffff788d49a in gst_element_post_message_default
(element=0x7fff90006260, message=0x7fffb8023120) at
../subprojects/gstreamer/gst/gstelement.c:1789
#6  0x00007ffff785e72c in gst_bin_post_message (element=0x7fff90006260,
msg=0x7fffb8023120) at ../subprojects/gstreamer/gst/gstbin.c:2796
#7  0x00007ffff788d752 in gst_element_post_message (element=0x7fff90006260,
message=0x7fffb8023120) at ../subprojects/gstreamer/gst/gstelement.c:1832
#8  0x00007fffdc72efcd in gst_parse_bin_expose (parsebin=0x7fff90006260) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:3499
#9  0x00007fffdc72b08e in pad_added_cb (element=0x7fff9001d6b0,
pad=0x7fff9001a070, chain=0x7fff90008830) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:2454
#10 0x00007fffdc72bd6d in caps_notify_cb (pad=0x7fff9001a070,
unused=0x5555557688b0, chain=0x7fff90008830) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:2562
#11 0x00007ffff72beead in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#12 0x00007ffff72d14ee in  () at /usr/lib/libgobject-2.0.so.0
#13 0x00007ffff72d9cd5 in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#14 0x00007ffff72da6ef in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#15 0x00007ffff72c3134 in  () at /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff7853017 in gst_object_dispatch_properties_changed
(object=0x7fff9001a070, n_pspecs=1, pspecs=0x7fffa0ff5930) at
../subprojects/gstreamer/gst/gstobject.c:427
#17 0x00007ffff72c56f9 in g_object_notify_by_pspec () at
/usr/lib/libgobject-2.0.so.0
#18 0x00007ffff78beacf in store_sticky_event (pad=0x7fff9001a070,
event=0x7fff90004a00) at ../subprojects/gstreamer/gst/gstpad.c:5105
#19 0x00007ffff78bfac1 in gst_pad_push_event (pad=0x7fff9001a070,
event=0x7fff90004a00) at ../subprojects/gstreamer/gst/gstpad.c:5383
#20 0x00007fffc00d0a4c in gst_pad_set_caps (pad=0x7fff9001a070,
caps=0x7fff90003190) at ../subprojects/gstreamer/gst/gstcompat.h:59
#21 0x00007fffc00d1988 in gst_aac_parse_set_src_caps (aacparse=0x7fff9001d6b0,
sink_caps=0x7fffa8002de0) at
../subprojects/gst-plugins-good/gst/audioparsers/gstaacparse.c:271
#22 0x00007fffc00d1ce5 in gst_aac_parse_sink_setcaps (parse=0x7fff9001d6b0,
caps=0x7fffa8002de0) at
../subprojects/gst-plugins-good/gst/audioparsers/gstaacparse.c:334
#23 0x00007ffff4944382 in gst_base_parse_sink_event_default
(parse=0x7fff9001d6b0, event=0x7fff90004ce0) at
../subprojects/gstreamer/libs/gst/base/gstbaseparse.c:1152
#24 0x00007ffff4944163 in gst_base_parse_sink_event (pad=0x7fff94059d90,
parent=0x7fff9001d6b0, event=0x7fff90004ce0) at
../subprojects/gstreamer/libs/gst/base/gstbaseparse.c:1117
#25 0x00007ffff7ba3ec2 in gst_validate_pad_monitor_downstream_event_check
(pad_monitor=0x7fff900075f0, parent=0x7fff9001d6b0, event=0x7fff90004ce0,
handler=0x7ffff49440fd <gst_base_parse_sink_event>) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:1947
#26 0x00007ffff7ba6519 in gst_validate_pad_monitor_sink_event_full_func
(pad=0x7fff94059d90, parent=0x7fff9001d6b0, event=0x7fff90004ce0) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:2298
#27 0x00007ffff7ba6765 in gst_validate_pad_monitor_sink_event_func
(pad=0x7fff94059d90, parent=0x7fff9001d6b0, event=0x7fff90004ce0) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:2311
#28 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff94059d90,
event=0x7fff90004ce0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#29 0x00007ffff78c1124 in gst_pad_send_event (pad=0x7fff94059d90,
event=0x7fff90004ce0) at ../subprojects/gstreamer/gst/gstpad.c:5778
#30 0x00007fffdc727c04 in send_sticky_event (pad=0x7fff94059b50,
event=0x7fffa0ff60b8, user_data=0x7fffa0ff6160) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:1637
#31 0x00007ffff78c14a7 in foreach_dispatch_function (pad=0x7fff94059b50,
ev=0x7fffa0ff60b0, user_data=0x7fffa0ff6120) at
../subprojects/gstreamer/gst/gstpad.c:5877
#32 0x00007ffff78af2a6 in events_foreach (pad=0x7fff94059b50,
func=0x7ffff78c1436 <foreach_dispatch_function>, user_data=0x7fffa0ff6120) at
../subprojects/gstreamer/gst/gstpad.c:604
#33 0x00007ffff78c15d2 in gst_pad_sticky_events_foreach (pad=0x7fff94059b50,
foreach_func=0x7fffdc727bb2 <send_sticky_event>, user_data=0x7fffa0ff6160) at
../subprojects/gstreamer/gst/gstpad.c:5908
#34 0x00007fffdc727c7d in send_sticky_events (parsebin=0x7fff90006260,
pad=0x7fff94059b50) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:1652
#35 0x00007fffdc729f4f in connect_pad (parsebin=0x7fff90006260,
src=0x7fff98009de0, parsepad=0x7fff98014650, pad=0x7fff94059b50,
caps=0x7fffa8002de0, factories=0x7fff9001c660, chain=0x7fff90008830,
deadend_details=0x7fffa0ff63a8) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:2178
#36 0x00007fffdc727149 in analyze_new_pad (parsebin=0x7fff90006260,
src=0x7fff98009de0, pad=0x7fff94059b50, caps=0x7fffa8002de0,
chain=0x7fff90008830) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:1483
#37 0x00007fffdc72a174 in connect_pad (parsebin=0x7fff90006260,
src=0x7fff9800b780, parsepad=0x7fff98014650, pad=0x7fff94058dd0,
caps=0x7fff90003050, factories=0x7fff90018280, chain=0x7fff90008830,
deadend_details=0x7fffa0ff6678) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:2205
#38 0x00007fffdc727149 in analyze_new_pad (parsebin=0x7fff90006260,
src=0x7fff9800b780, pad=0x7fff94058dd0, caps=0x7fff90003050,
chain=0x7fff90008830) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:1483
#39 0x00007fffdc72ab85 in type_found (typefind=0x7fff9800b780, probability=100,
caps=0x7fff90003050, parse_bin=0x7fff90006260) at
../subprojects/gst-plugins-base/gst/playback/gstparsebin.c:2392
#40 0x00007ffff54fb1c8 in ffi_call_unix64 () at /usr/lib/libffi.so.6
#41 0x00007ffff54fac2a in ffi_call () at /usr/lib/libffi.so.6
#42 0x00007ffff72bf6a9 in g_cclosure_marshal_generic () at
/usr/lib/libgobject-2.0.so.0
#43 0x00007ffff72beead in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#44 0x00007ffff72d14ee in  () at /usr/lib/libgobject-2.0.so.0
#45 0x00007ffff72d9cd5 in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#46 0x00007ffff72da6ef in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#47 0x00007fffdc4cb03e in gst_type_find_element_emit_have_type
(typefind=0x7fff9800b780, probability=100, caps=0x7fff90003050) at
../subprojects/gstreamer/plugins/elements/gsttypefindelement.c:238
#48 0x00007fffdc4ccea2 in gst_type_find_element_setcaps
(typefind=0x7fff9800b780, caps=0x7fff90003050) at
../subprojects/gstreamer/plugins/elements/gsttypefindelement.c:790
#49 0x00007fffdc4cc9ec in gst_type_find_element_sink_event (pad=0x7fff94058b90,
parent=0x7fff9800b780, event=0x7fff84001ad0) at
../subprojects/gstreamer/plugins/elements/gsttypefindelement.c:680
#50 0x00007ffff7ba3ec2 in gst_validate_pad_monitor_downstream_event_check
(pad_monitor=0x7fff90006470, parent=0x7fff9800b780, event=0x7fff84001ad0,
handler=0x7fffdc4cc893 <gst_type_find_element_sink_event>) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:1947
#51 0x00007ffff7ba6519 in gst_validate_pad_monitor_sink_event_full_func
(pad=0x7fff94058b90, parent=0x7fff9800b780, event=0x7fff84001ad0) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:2298
#52 0x00007ffff7ba6765 in gst_validate_pad_monitor_sink_event_func
(pad=0x7fff94058b90, parent=0x7fff9800b780, event=0x7fff84001ad0) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:2311
#53 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff94058b90,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#54 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fff98009910,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#55 0x00007ffff78b9621 in push_sticky (pad=0x7fff98009910, ev=0x7fffa0ff7270,
user_data=0x7fffa0ff72c0) at ../subprojects/gstreamer/gst/gstpad.c:3807
#56 0x00007ffff78af2a6 in events_foreach (pad=0x7fff98009910,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff72c0) at
../subprojects/gstreamer/gst/gstpad.c:604
#57 0x00007ffff78b99e0 in check_sticky (pad=0x7fff98009910,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:3864
#58 0x00007ffff78bfb0a in gst_pad_push_event (pad=0x7fff98009910,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:5395
#59 0x00007ffff78b7120 in event_forward_func (pad=0x7fff98009910,
data=0x7fffa0ff7480) at ../subprojects/gstreamer/gst/gstpad.c:2992
#60 0x00007ffff78b6efd in gst_pad_forward (pad=0x7fff9000aef0,
forward=0x7ffff78b6fe8 <event_forward_func>, user_data=0x7fffa0ff7480) at
../subprojects/gstreamer/gst/gstpad.c:2946
#61 0x00007ffff78b72f4 in gst_pad_event_default (pad=0x7fff9000aef0,
parent=0x7fff90006260, event=0x7fff84001ad0) at
../subprojects/gstreamer/gst/gstpad.c:3043
#62 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff9000aef0,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#63 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fff98008d80,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#64 0x00007ffff78b9621 in push_sticky (pad=0x7fff98008d80, ev=0x7fffa0ff76a0,
user_data=0x7fffa0ff76f0) at ../subprojects/gstreamer/gst/gstpad.c:3807
#65 0x00007ffff78af2a6 in events_foreach (pad=0x7fff98008d80,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff76f0) at
../subprojects/gstreamer/gst/gstpad.c:604
#66 0x00007ffff78b99e0 in check_sticky (pad=0x7fff98008d80,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:3864
#67 0x00007ffff78bfb0a in gst_pad_push_event (pad=0x7fff98008d80,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:5395
#68 0x00007ffff78b7120 in event_forward_func (pad=0x7fff98008d80,
data=0x7fffa0ff78b0) at ../subprojects/gstreamer/gst/gstpad.c:2992
#69 0x00007ffff78b6efd in gst_pad_forward (pad=0x7fff9000a2c0,
forward=0x7ffff78b6fe8 <event_forward_func>, user_data=0x7fffa0ff78b0) at
../subprojects/gstreamer/gst/gstpad.c:2946
#70 0x00007ffff78b72f4 in gst_pad_event_default (pad=0x7fff9000a2c0,
parent=0x555555c9c500, event=0x7fff84001ad0) at
../subprojects/gstreamer/gst/gstpad.c:3043
#71 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff9000a2c0,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#72 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fff9000a050,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#73 0x00007ffff78b9621 in push_sticky (pad=0x7fff9000a050, ev=0x7fffa0ff7ad0,
user_data=0x7fffa0ff7b20) at ../subprojects/gstreamer/gst/gstpad.c:3807
#74 0x00007ffff78af2a6 in events_foreach (pad=0x7fff9000a050,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff7b20) at
../subprojects/gstreamer/gst/gstpad.c:604
#75 0x00007ffff78b99e0 in check_sticky (pad=0x7fff9000a050,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:3864
#76 0x00007ffff78bfb0a in gst_pad_push_event (pad=0x7fff9000a050,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:5395
#77 0x00007ffff78b7120 in event_forward_func (pad=0x7fff9000a050,
data=0x7fffa0ff7ce0) at ../subprojects/gstreamer/gst/gstpad.c:2992
#78 0x00007ffff78b6efd in gst_pad_forward (pad=0x7fff98008b30,
forward=0x7ffff78b6fe8 <event_forward_func>, user_data=0x7fffa0ff7ce0) at
../subprojects/gstreamer/gst/gstpad.c:2946
#79 0x00007ffff78b72f4 in gst_pad_event_default (pad=0x7fff98008b30,
parent=0x7fff9000a050, event=0x7fff84001ad0) at
../subprojects/gstreamer/gst/gstpad.c:3043
#80 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff98008b30,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#81 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fffd405fd90,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#82 0x00007ffff78b9621 in push_sticky (pad=0x7fffd405fd90, ev=0x7fffa0ff7f00,
user_data=0x7fffa0ff7f50) at ../subprojects/gstreamer/gst/gstpad.c:3807
#83 0x00007ffff78af2a6 in events_foreach (pad=0x7fffd405fd90,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff7f50) at
../subprojects/gstreamer/gst/gstpad.c:604
#84 0x00007ffff78b99e0 in check_sticky (pad=0x7fffd405fd90,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:3864
#85 0x00007ffff78bfb0a in gst_pad_push_event (pad=0x7fffd405fd90,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:5395
#86 0x00007fffdbddde68 in gst_rtspsrc_handle_src_sink_event
(pad=0x7fff980088e0, parent=0x7fffd405fd90, event=0x7fff84001ad0) at
../subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c:2359
#87 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff980088e0,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#88 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fffd405fb20,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#89 0x00007ffff78b9621 in push_sticky (pad=0x7fffd405fb20, ev=0x7fffa0ff8270,
user_data=0x7fffa0ff82c0) at ../subprojects/gstreamer/gst/gstpad.c:3807
#90 0x00007ffff78af2a6 in events_foreach (pad=0x7fffd405fb20,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff82c0) at
../subprojects/gstreamer/gst/gstpad.c:604
#91 0x00007ffff78b99e0 in check_sticky (pad=0x7fffd405fb20,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:3864
#92 0x00007ffff78bfb0a in gst_pad_push_event (pad=0x7fffd405fb20,
event=0x7fff84001ad0) at ../subprojects/gstreamer/gst/gstpad.c:5395
#93 0x00007ffff78b7120 in event_forward_func (pad=0x7fffd405fb20,
data=0x7fffa0ff8480) at ../subprojects/gstreamer/gst/gstpad.c:2992
#94 0x00007ffff78b6efd in gst_pad_forward (pad=0x7fff98008690,
forward=0x7ffff78b6fe8 <event_forward_func>, user_data=0x7fffa0ff8480) at
../subprojects/gstreamer/gst/gstpad.c:2946
#95 0x00007ffff78b72f4 in gst_pad_event_default (pad=0x7fff98008690,
parent=0x7fffd405fb20, event=0x7fff84001ad0) at
../subprojects/gstreamer/gst/gstpad.c:3043
#96 0x00007ffff78c097f in gst_pad_send_event_unchecked (pad=0x7fff98008690,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5608
#97 0x00007ffff78bf2b3 in gst_pad_push_event_unchecked (pad=0x7fff94058950,
event=0x7fff84001ad0, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at
../subprojects/gstreamer/gst/gstpad.c:5264
#98 0x00007ffff78b9621 in push_sticky (pad=0x7fff94058950, ev=0x7fffa0ff86a0,
user_data=0x7fffa0ff86f0) at ../subprojects/gstreamer/gst/gstpad.c:3807
#99 0x00007ffff78af2a6 in events_foreach (pad=0x7fff94058950,
func=0x7ffff78b94fb <push_sticky>, user_data=0x7fffa0ff86f0) at
../subprojects/gstreamer/gst/gstpad.c:604
#100 0x00007ffff78b99e0 in check_sticky (pad=0x7fff94058950, event=0x0) at
../subprojects/gstreamer/gst/gstpad.c:3864
#101 0x00007ffff78bbdb6 in gst_pad_push_data (pad=0x7fff94058950, type=4112,
data=0x7fffb8057220) at ../subprojects/gstreamer/gst/gstpad.c:4435
#102 0x00007ffff78bc76b in gst_pad_push (pad=0x7fff94058950,
buffer=0x7fffb8057220) at ../subprojects/gstreamer/gst/gstpad.c:4576
#103 0x00007fffda28c0bd in gst_rtp_pt_demux_chain (pad=0x7fffb001cdb0,
parent=0x7fff9400b7e0, buf=0x7fffb8057220) at
../subprojects/gst-plugins-good/gst/rtpmanager/gstrtpptdemux.c:442
#104 0x00007ffff7ba5d86 in gst_validate_pad_monitor_chain_func
(pad=0x7fffb001cdb0, parent=0x7fff9400b7e0, buffer=0x7fffb8057220) at
../subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c:2234
#105 0x00007ffff78bb312 in gst_pad_chain_data_unchecked (pad=0x7fffb001cdb0,
type=4112, data=0x7fffb8057220) at ../subprojects/gstreamer/gst/gstpad.c:4205
#106 0x00007ffff78bbfca in gst_pad_push_data (pad=0x7fffb001c930, type=4112,
data=0x7fffb8057220) at ../subprojects/gstreamer/gst/gstpad.c:4457
#107 0x00007ffff78bc76b in gst_pad_push (pad=0x7fffb001c930,
buffer=0x7fffb8057220) at ../subprojects/gstreamer/gst/gstpad.c:4576
#108 0x00007fffda27eccf in pop_and_push_next (jitterbuffer=0x7fffa801e2f0,
seqnum=21021) at
../subprojects/gst-plugins-good/gst/rtpmanager/gstrtpjitterbuffer.c:3380
#109 0x00007fffda27f313 in handle_next_buffer (jitterbuffer=0x7fffa801e2f0) at
../subprojects/gst-plugins-good/gst/rtpmanager/gstrtpjitterbuffer.c:3479
#110 0x00007fffda2822d3 in gst_rtp_jitter_buffer_loop
(jitterbuffer=0x7fffa801e2f0) at
../subprojects/gst-plugins-good/gst/rtpmanager/gstrtpjitterbuffer.c:4025
#111 0x00007ffff78fa101 in gst_task_func (task=0x7fff9400b950) at
../subprojects/gstreamer/gst/gsttask.c:332
#112 0x00007ffff78fb40a in default_func (tdata=0x7fffa4004280,
pool=0x555555770910) at ../subprojects/gstreamer/gst/gsttaskpool.c:69
#113 0x00007ffff7574490 in  () at /usr/lib/libglib-2.0.so.0
#114 0x00007ffff7573ac5 in  () at /usr/lib/libglib-2.0.so.0
#115 0x00007ffff6d02297 in start_thread () at /usr/lib/libpthread.so.0
#116 0x00007ffff6a4325f in clone () at /usr/lib/libc.so.6
A debugging session is active.

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