Bug 210342

Summary: [GStreamer] imported/w3c/web-platform-tests/media-source/mediasource-trackdefault.html sometimes crashes
Product: WebKit Reporter: Diego Pino <dpino>
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: aboya, calvaris, eocanha, pnormand
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=210498

Description Diego Pino 2020-04-10 09:44:03 PDT 
See: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r259858%20(13277)/imported/w3c/web-platform-tests/media-source/mediasource-sourcebuffer-mode-timestamps-crash-log.txt

Thread 1 (Thread 0x7ff6fe15c700 (LWP 32156)):
#0  _g_log_abort () at ../../Source/glib-2.58.1/glib/gmessages.c:557
#1  0x00007ff81c5f2559 in g_logv () at ../../Source/glib-2.58.1/glib/gmessages.c:1371
#2  0x00007ff81c5f2712 in g_log () at ../../Source/glib-2.58.1/glib/gmessages.c:1413
#3  0x00007ff81c6d292a in g_object_ref () at ../../Source/glib-2.58.1/gobject/gobject.c:3213
#4  g_object_ref () at ../../Source/glib-2.58.1/gobject/gobject.c:3207
#5  0x00007ff81c6d29c8 in g_value_object_collect_value () at ../../Source/glib-2.58.1/gobject/gobject.c:3840
#6  0x00007ff81e74d4c8 in gst_structure_set_valist_internal () at ../../Source/gstreamer-1.16.1/gst/gststructure.c:631
#7  0x00007ff81e74e749 in gst_structure_set () at ../../Source/gstreamer-1.16.1/gst/gststructure.c:663
#8  0x00007ff81e4d17dd in gst_gl_handle_context_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:550
#9  0x00007ff81e4afdb1 in gst_gl_base_filter_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:224
#10 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#11 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#12 0x00007ff81e4d0952 in pad_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:108
#13 0x00007ff81e719d4c in gst_iterator_fold () at ../../Source/gstreamer-1.16.1/gst/gstiterator.c:617
#14 0x00007ff81e4d0ab6 in gst_gl_run_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:136
#15 0x00007ff81e4d1985 in gst_gl_query_local_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:591
#16 0x00007ff81e4afd46 in _find_local_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:197
#17 0x00007ff81e4b0025 in gst_gl_base_filter_find_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:432
#18 0x00007ff7a75118c3 in gst_gl_color_convert_element_transform_caps () at ../../Source/gst-plugins-base-1.16.1/ext/gl/gstglcolorconvertelement.c:145
#19 0x00007ff81e828751 in gst_base_transform_transform_caps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:474
#20 0x00007ff81e82c28c in gst_base_transform_query_caps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:695
#21 gst_base_transform_default_query () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:1550
#22 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#23 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#24 0x00007ff81e768114 in gst_pad_peer_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:3107
#25 0x00007ff81e82c199 in gst_base_transform_query_caps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:678
#26 gst_base_transform_default_query () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:1550
#27 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#28 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#29 0x00007ff81e7628b8 in query_caps_func () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2765
#30 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#31 0x00007ff81e76537a in gst_pad_proxy_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2815
#32 0x00007ff81e72a9f4 in gst_pad_query_caps_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3187
#33 gst_pad_query_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3415
#34 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#35 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#36 0x00007ff81e7628b8 in query_caps_func () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2765
#37 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#38 0x00007ff81e76537a in gst_pad_proxy_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2815
#39 0x00007ff81e72a9f4 in gst_pad_query_caps_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3187
#40 gst_pad_query_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3415
#41 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#42 0x00007ff81e765b34 in gst_pad_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:3061
#43 0x00007ff7cc14022a in gst_play_sink_convert_bin_getcaps () at ../../Source/gst-plugins-base-1.16.1/gst/playback/gstplaysinkconvertbin.c:446
#44 gst_play_sink_convert_bin_query () at ../../Source/gst-plugins-base-1.16.1/gst/playback/gstplaysinkconvertbin.c:507
#45 gst_play_sink_convert_bin_query () at ../../Source/gst-plugins-base-1.16.1/gst/playback/gstplaysinkconvertbin.c:496
#46 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#47 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#48 0x00007ff81e7628b8 in query_caps_func () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2765
#49 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#50 0x00007ff81e76537a in gst_pad_proxy_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2815
#51 0x00007ff81e72a9f4 in gst_pad_query_caps_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3187
#52 gst_pad_query_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3415
#53 0x00007ff7cc0ae4b5 in gst_queue_handle_sink_query () at ../../Source/gstreamer-1.16.1/plugins/elements/gstqueue.c:1079
#54 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#55 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#56 0x00007ff81e7628b8 in query_caps_func () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2765
#57 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#58 0x00007ff81e76537a in gst_pad_proxy_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2815
#59 0x00007ff81e72a9f4 in gst_pad_query_caps_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3187
#60 gst_pad_query_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3415
#61 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#62 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#63 0x00007ff81e7628b8 in query_caps_func () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2765
#64 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#65 0x00007ff81e76537a in gst_pad_proxy_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:2815
#66 0x00007ff81e72a9f4 in gst_pad_query_caps_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3187
#67 gst_pad_query_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3415
#68 0x00007ff81e72bc40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#69 0x00007ff81e72c39b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#70 0x00007ff81e768114 in gst_pad_peer_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:3107
#71 0x00007ff76c316390 in gst_deinterlace_setcaps () at ../../Source/gst-plugins-good-1.16.1/gst/deinterlace/gstdeinterlace.c:2717
#72 0x00007ff76c3178ee in gst_deinterlace_sink_event () at ../../Source/gst-plugins-good-1.16.1/gst/deinterlace/gstdeinterlace.c:2982
#73 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#74 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#75 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#76 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#77 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#78 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#79 0x00007ff81e82b44b in gst_pad_set_caps () at ../../Source/gstreamer-1.16.1/gst/gstcompat.h:59
#80 gst_base_transform_setcaps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:1337
#81 0x00007ff81e82c83d in gst_base_transform_sink_eventfunc () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:1898
#82 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#83 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#84 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#85 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#86 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#87 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#88 0x00007ff81e72e3b4 in event_forward_func () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3054
#89 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#90 0x00007ff81e72a91d in gst_pad_event_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3105
#91 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#92 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#93 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#94 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#95 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#96 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#97 0x00007ff81e72e3b4 in event_forward_func () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3054
#98 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#99 0x00007ff81e72a91d in gst_pad_event_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3105
#100 0x00007ff7cc142a44 in gst_stream_synchronizer_sink_event () at ../../Source/gst-plugins-base-1.16.1/gst/playback/gststreamsynchronizer.c:663
#101 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#102 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#103 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#104 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#105 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#106 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#107 0x00007ff81e72e3b4 in event_forward_func () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3054
#108 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#109 0x00007ff81e72a91d in gst_pad_event_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3105
#110 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#111 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#112 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#113 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#114 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#115 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#116 0x00007ff7cc09513d in gst_selector_pad_event () at ../../Source/gstreamer-1.16.1/plugins/elements/gstinputselector.c:643
#117 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#118 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#119 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#120 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#121 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#122 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#123 0x00007ff81e72e3b4 in event_forward_func () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3054
#124 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#125 0x00007ff81e72a91d in gst_pad_event_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3105
#126 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#127 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#128 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#129 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#130 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#131 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#132 0x00007ff81e72e3b4 in event_forward_func () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3054
#133 0x00007ff81e72a80e in gst_pad_forward () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3008
#134 0x00007ff81e72a91d in gst_pad_event_default () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3105
#135 0x00007ff81e7247c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#136 0x00007ff81e724ce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#137 0x00007ff81e725154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#138 0x00007ff81e722b48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#139 0x00007ff81e72de21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#140 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#141 0x00007ff81e540f0b in gst_pad_set_caps () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Root/include/gstreamer-1.0/gst/gstcompat.h:59
#142 gst_video_decoder_negotiate_default () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/video/gstvideodecoder.c:3859
#143 0x00007ff81e54635f in gst_video_decoder_negotiate () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/video/gstvideodecoder.c:3913
#144 0x00007ff702a5c3f3 in gst_ffmpegviddec_negotiate () at ../../Source/gst-libav-1.16.1/ext/libav/gstavviddec.c:1274
#145 gst_ffmpegviddec_video_frame () at ../../Source/gst-libav-1.16.1/ext/libav/gstavviddec.c:1555
#146 gst_ffmpegviddec_frame () at ../../Source/gst-libav-1.16.1/ext/libav/gstavviddec.c:1716
#147 0x00007ff702a5d402 in gst_ffmpegviddec_handle_frame () at ../../Source/gst-libav-1.16.1/ext/libav/gstavviddec.c:1848
#148 0x00007ff81e53c10b in gst_video_decoder_decode_frame () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/video/gstvideodecoder.c:3402
#149 0x00007ff81e53ee38 in gst_video_decoder_chain_forward () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/video/gstvideodecoder.c:2123
#150 0x00007ff81e53f522 in gst_video_decoder_chain () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/video/gstvideodecoder.c:2438
#151 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#152 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#153 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#154 0x00007ff81e827d60 in gst_base_transform_chain () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:2330
#155 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#156 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#157 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#158 0x00007ff81e80c2e7 in gst_base_parse_push_frame () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbaseparse.c:2580
#159 0x00007ff81e80f061 in gst_base_parse_handle_and_push_frame () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbaseparse.c:2394
#160 gst_base_parse_finish_frame () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbaseparse.c:2738
#161 0x00007ff79c01d6a8 in gst_h264_parse_handle_frame_packetized () at ../../Source/gst-plugins-bad-1.16.1/gst/videoparsers/gsth264parse.c:1147
#162 gst_h264_parse_handle_frame () at ../../Source/gst-plugins-bad-1.16.1/gst/videoparsers/gsth264parse.c:1193
#163 0x00007ff81e806f62 in gst_base_parse_handle_buffer () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbaseparse.c:2202
#164 0x00007ff81e80cf6b in gst_base_parse_chain () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbaseparse.c:3287
#165 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#166 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#167 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#168 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#169 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#170 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#171 0x00007ff81e711b2b in gst_proxy_pad_chain_default () at ../../Source/gstreamer-1.16.1/gst/gstghostpad.c:127
#172 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#173 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#174 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#175 0x00007ff81e711b2b in gst_proxy_pad_chain_default () at ../../Source/gstreamer-1.16.1/gst/gstghostpad.c:127
#176 0x00007ff82524fb5b in webkitMediaSrcChain(_GstPad*, _GstObject*, _GstBuffer*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#177 0x00007ff81e726692 in gst_pad_chain_data_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4327
#178 gst_pad_push_data () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4583
#179 0x00007ff81e72ce82 in gst_pad_push () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4702
#180 0x00007ff81e823ad5 in gst_base_src_loop () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasesrc.c:2974
#181 0x00007ff81e759dd1 in gst_task_func () at ../../Source/gstreamer-1.16.1/gst/gsttask.c:328
#182 0x00007ff81c6136a3 in g_thread_pool_thread_proxy () at ../../Source/glib-2.58.1/glib/gthreadpool.c:307
#183 0x00007ff81c612d45 in g_thread_proxy () at ../../Source/glib-2.58.1/glib/gthread.c:784
#184 0x00007ff81f926fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#185 0x00007ff81c1734cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Comment 1 Xabier Rodríguez Calvar 2021-04-07 07:22:42 PDT 
I can't repro the crash though I do see some random crashes at Wayland wk2 Release with x86 bot.