[Webkit-unassigned] [Bug 196913] New: [GStreamer] Crash in AudioTrackPrivate with playbin3 enabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196913

            Bug ID: 196913
           Summary: [GStreamer] Crash in AudioTrackPrivate with playbin3
                    enabled
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com
                CC: tsaunier at gnome.org

https://www.reddit.com/r/WTF/comments/bcqcar/engine_cold_start_turkish_style/

(gdb) bt
#0  0x00007f40b2c38510 in _ZN7WebCore17AudioTrackPrivate10setEnabledEb (enabled=true, this=0x0) at ../Source/WebCore/platform/graphics/AudioTrackPrivate.h:53
#1  0x00007f40b2c38510 in _ZN7WebCore26AudioTrackPrivateGStreamer12markAsActiveEv (this=0x0) at ../Source/WebCore/platform/graphics/gstreamer/AudioTrackPrivateGStreamer.cpp:83
#2  0x00007f40b2ab9c86 in _ZN7WebCore27MediaPlayerPrivateGStreamer13handleMessageEP11_GstMessage (this=0x7f27492b9c00, message=0x5650ca7a86a0)
    at ../Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:1451
#3  0x00007f40a7c918ee in ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#4  0x00007f40a7c912bf in ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#9  0x00007f40aa2c191f in <emit signal message:streams-selected on instance 0x5650c99cab90 [GstBus]> (instance=instance at entry=0x5650c99cab90, signal_id=<optimized out>, detail=<optimized out>)
    at ../../../gobject/gsignal.c:3447
    #5  0x00007f40aa2a5472 in g_cclosure_marshal_generic
    (closure=0x5650ca76c190, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../gobject/gclosure.c:1496
    #6  0x00007f40aa2a4c7d in g_closure_invoke (closure=0x5650ca76c190, return_value=0x0, n_param_values=2, param_values=0x7ffe1bf88fd0, invocation_hint=0x7ffe1bf88f50) at ../../../gobject/gclosure.c:810
    #7  0x00007f40aa2b8345 in signal_emit_unlocked_R
    (node=node at entry=0x5650ca3ad310, detail=detail at entry=1632, instance=instance at entry=0x5650c99cab90, emission_return=emission_return at entry=0x0, instance_and_params=instance_and_params at entry=0x7ffe1bf88fd0)
    at ../../../gobject/gsignal.c:3635
    #8  0x00007f40aa2c125e in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args at entry=0x7ffe1bf891a0) at ../../../gobject/gsignal.c:3391
#10 0x00007f40aaec9c34 in gst_bus_async_signal_func (bus=0x5650c99cab90 [GstBus], message=0x5650ca7a86a0, data=<optimized out>) at ../subprojects/gstreamer/gst/gstbus.c:1261
#11 0x00007f40aaecaa4d in gst_bus_source_dispatch (source=0x5650ca73b390, callback=0x7f40aaec9be0 <gst_bus_async_signal_func>, user_data=0x0) at ../subprojects/gstreamer/gst/gstbus.c:839
#12 0x00007f40aa1c2dd8 in g_main_dispatch (context=0x5650c993d020) at ../../../glib/gmain.c:3182
#13 0x00007f40aa1c2dd8 in g_main_context_dispatch (context=context at entry=0x5650c993d020) at ../../../glib/gmain.c:3847
#14 0x00007f40aa1c31c8 in g_main_context_iterate (context=0x5650c993d020, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:3920
#15 0x00007f40aa1c34c2 in g_main_loop_run (loop=0x5650c9b0f990) at ../../../glib/gmain.c:4116
#16 0x00007f40aedd2a70 in _ZN3WTF7RunLoop3runEv () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
#17 0x00007f40b160c8c8 in _ZN6WebKit20AuxiliaryProcessMainINS_10WebProcessENS_14WebProcessMainEEEiiPPc (argc=<optimized out>, argv=0x7ffe1bf89588) at ../Source/WebKit/Shared/unix/AuxiliaryProcessMain.h:66
#18 0x00007f40a916309b in __libc_start_main (main=0x5650c7b94f20 <main(int, char**)>, argc=3, argv=0x7ffe1bf89588, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe1bf89578)
    at ../csu/libc-start.c:308
#19 0x00005650c7b94faa in _start ()

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