[Webkit-unassigned] [Bug 210370] New: [GTK] media/track/text-track-cue-is-reachable.html is flaky crashing in X11 release

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210370

            Bug ID: 210370
           Summary: [GTK] media/track/text-track-cue-is-reachable.html is
                    flaky crashing in X11 release
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com
                CC: bugs-noreply at webkitgtk.org

Similar to webrtc/video-update-often.html in bug210360, but less frequently.

Happened only twice, in the build for the following revisions:

- r259913
- r259802

STDERR: 
STDERR: warning: core file may not match specified executable file.
STDERR: g_object_ref: assertion 'object->ref_count > 0' failed

Some parts of the trace:

Thread 1 (Thread 0x7fb8da7fb700 (LWP 14180)):
#0  _g_log_abort () at ../../Source/glib-2.58.1/glib/gmessages.c:557
#1  0x00007fba1189b559 in g_logv () at ../../Source/glib-2.58.1/glib/gmessages.c:1371
#2  0x00007fba1189b712 in g_log () at ../../Source/glib-2.58.1/glib/gmessages.c:1413
#3  0x00007fba1197b92a 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  0x00007fba1197b9c8 in g_value_object_collect_value () at ../../Source/glib-2.58.1/gobject/gobject.c:3840
#6  0x00007fba139f64c8 in gst_structure_set_valist_internal () at ../../Source/gstreamer-1.16.1/gst/gststructure.c:631
#7  0x00007fba139f7749 in gst_structure_set () at ../../Source/gstreamer-1.16.1/gst/gststructure.c:663
#8  0x00007fba1377a7dd in gst_gl_handle_context_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:550
#9  0x00007fba13758db1 in gst_gl_base_filter_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:224
#10 0x00007fba139d4c40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#11 0x00007fba139d539b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#12 0x00007fba13779952 in pad_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:108
#13 0x00007fba139c2d4c in gst_iterator_fold () at ../../Source/gstreamer-1.16.1/gst/gstiterator.c:617
#14 0x00007fba13779ab6 in gst_gl_run_query () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:136
#15 0x00007fba1377a985 in gst_gl_query_local_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglutils.c:591
#16 0x00007fba13758d46 in _find_local_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:197
#17 0x00007fba13759025 in gst_gl_base_filter_find_gl_context () at ../../Source/gst-plugins-base-1.16.1/gst-libs/gst/gl/gstglbasefilter.c:432
#18 0x00007fb99bd118c3 in gst_gl_color_convert_element_transform_caps () at ../../Source/gst-plugins-base-1.16.1/ext/gl/gstglcolorconvertelement.c:145
#19 0x00007fba13ad1751 in gst_base_transform_transform_caps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:474
#20 0x00007fba13ad528c in gst_base_transform_query_caps () at ../../Source/gstreamer-1.16.1/libs/gst/base/gstbasetransform.c:695
...
#66 0x00007fba139d39f4 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 0x00007fba139d4c40 in gst_pad_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4072
#69 0x00007fba139d539b in gst_pad_peer_query () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:4204
#70 0x00007fba13a11114 in gst_pad_peer_query_caps () at ../../Source/gstreamer-1.16.1/gst/gstutils.c:3107
#71 0x00007fb97c0d8390 in gst_deinterlace_setcaps () at ../../Source/gst-plugins-good-1.16.1/gst/deinterlace/gstdeinterlace.c:2717
#72 0x00007fb97c0d98ee in gst_deinterlace_sink_event () at ../../Source/gst-plugins-good-1.16.1/gst/deinterlace/gstdeinterlace.c:2982
#73 0x00007fba139cd7c7 in gst_pad_send_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5766
#74 0x00007fba139cdce4 in gst_pad_push_event_unchecked () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5411
#75 0x00007fba139ce154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#76 0x00007fba139cbb48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#77 0x00007fba139d6e21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
...
#140 0x00007fba139ce154 in push_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3927
#141 0x00007fba139cbb48 in events_foreach () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:608
#142 0x00007fba139d6e21 in check_sticky () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:3986
#143 gst_pad_push_event () at ../../Source/gstreamer-1.16.1/gst/gstpad.c:5542
#144 0x00007fb9c03c3087 in gst_single_queue_push_one () at ../../Source/gstreamer-1.16.1/plugins/elements/gstmultiqueue.c:1688
#145 gst_multi_queue_loop () at ../../Source/gstreamer-1.16.1/plugins/elements/gstmultiqueue.c:1959
#146 0x00007fba13a02dd1 in gst_task_func () at ../../Source/gstreamer-1.16.1/gst/gsttask.c:328
#147 0x00007fba118bc6a3 in g_thread_pool_thread_proxy () at ../../Source/glib-2.58.1/glib/gthreadpool.c:307
#148 0x00007fba118bbd45 in g_thread_proxy () at ../../Source/glib-2.58.1/glib/gthread.c:784
#149 0x00007fba14bcffa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#150 0x00007fba1141c4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

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