[Webkit-unassigned] [Bug 187469] New: [GStreamer][MSE] imported/w3c/web-platform-tests/media-source/mediasource-is-type-supported.html crashes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187469

            Bug ID: 187469
           Summary: [GStreamer][MSE]
                    imported/w3c/web-platform-tests/media-source/mediasour
                    ce-is-type-supported.html crashes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com

Thread 1 (Thread 0x7f764d9bf3c0 (LWP 82639)):
#0  _g_log_abort () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmessages.c:554
#1  0x00007f76555b6415 in g_logv () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmessages.c:1362
#2  0x00007f76555b6562 in g_log () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmessages.c:1403
#3  0x00007f765d80bddf in _Z24webKitMediaSrcFreeStreamP15_WebKitMediaSrcP7_Stream () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#4  0x00007f765d80c5cf in _Z22webKitMediaSrcFinalizeP8_GObject () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007f765569043a in g_object_unref () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/gobject/gobject.c:3330
#6  0x00007f765660efec in _gst_message_free () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.1/gst/gstmessage.c:211
#7  0x00007f76565e8911 in gst_message_unref () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.1/gst/gstmessage.h:379
#8  gst_bus_source_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.14.1/gst/gstbus.c:842
#9  0x00007f76555af81a in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
#10 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
#11 0x00007f76555afba8 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
#12 0x00007f76555afec2 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
#13 0x00007f7659fbf3c0 in _ZN3WTF7RunLoop3runEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#14 0x00007f765c48bef2 in _ZN6WebKit16ChildProcessMainINS_10WebProcessENS_14WebProcessMainEEEiiPPc () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#15 0x00007f76535ee2b1 in __libc_start_main (main=0x561f3a814cb0 <main>, argc=3, argv=0x7ffd036933f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd036933e8) at ../csu/libc-start.c:291
#16 0x0000561f3a814d3a in _start ()

STDERR: 
STDERR: warning: core file may not match specified executable file.
STDERR: invalid unclassed pointer in cast to 'GstAppSrc'
STDERR: gst_app_src_set_callbacks: assertion 'GST_IS_APP_SRC (appsrc)' failed

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