Bug 292656 – [GStreamer][WebRTC] Flaky assert in webrtc/audio-muted-stats.html

• Component: Platform
• Status: RESOLVED FIXED

[Philippe Normand]

Thread 1 (Thread 0x7f4331ffb6c0 (LWP 136080)):
#0  0x00007f454ff95db5 in WTFCrash () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libjavascriptcoregtk-6.0.so.1
#1  0x00007f45556a60cc in WTF::RefCountedBase::derefBase() const () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#2  0x00007f4557c01cac in WebCore::GStreamerStatsCollector::invalidateCache() () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#3  0x00007f4557be6167 in WebCore::GStreamerMediaEndpoint::onIceCandidate(unsigned int, char*) () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkitgtk-6.0.so.4
#4  0x00007f4548a3b056 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#5  0x00007f4548a36d08 in ffi_call_int (cif=cif@entry=0x7f4331ffa190, fn=fn@entry=0x7f4557bedd40 <WebCore::GStreamerMediaEndpoint::initializePipeline()::$_6::__invoke(WebCore::GStreamerMediaEndpoint*, unsigned int, char*)>, rvalue=<optimized out>, rvalue@entry=0x7f4331ffa0f0, avalue=avalue@entry=0x7f4331ffa090, closure=closure@entry=0x0) at ../src/x86/ffi64.c:673
#6  0x00007f4548a3970e in ffi_call (cif=cif@entry=0x7f4331ffa190, fn=fn@entry=0x7f4557bedd40 <WebCore::GStreamerMediaEndpoint::initializePipeline()::$_6::__invoke(WebCore::GStreamerMediaEndpoint*, unsigned int, char*)>, rvalue=rvalue@entry=0x7f4331ffa0f0, avalue=avalue@entry=0x7f4331ffa090) at ../src/x86/ffi64.c:710
#11 0x00007f45502a6e13 in <emit signal '???' on instance ???> (instance=instance@entry=0x7f434807bad0, signal_id=<optimized out>, detail=detail@entry=0) at ../gobject/gsignal.c:3597
    #7  0x00007f455028d97c in g_cclosure_marshal_generic_va (closure=<optimized out>, return_value=<optimized out>, instance=<optimized out>, args_list=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=<optimized out>) at ../gobject/gclosure.c:1651
    #8  0x00007f45502a6c43 in _g_closure_invoke_va (closure=0x28f607d0, return_value=0x0, instance=0x7f434807bad0, args=0x7f4331ffa450, n_params=2, param_types=0x28f18170) at ../gobject/gclosure.c:896
    #9  signal_emit_valist_unlocked (instance=instance@entry=0x7f434807bad0, signal_id=signal_id@entry=68, detail=detail@entry=0, var_args=var_args@entry=0x7f4331ffa450) at ../gobject/gsignal.c:3438
    #10 0x00007f45502a6d58 in g_signal_emit_valist (instance=0x7f434807bad0, signal_id=68, detail=0, var_args=var_args@entry=0x7f4331ffa450) at ../gobject/gsignal.c:3277
#12 0x00007f453400ce13 in _on_local_ice_candidate_task (webrtc=0x7f434807bad0) at ../gstreamer/subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c:7226
#13 0x00007f453400932a in _execute_op (op=op@entry=0x7f41c4057340) at ../gstreamer/subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c:1212
#14 0x00007f454ab3e76d in g_idle_dispatch (source=0x7f41c40548d0, callback=0x7f45340092f0 <_execute_op>, user_data=0x7f41c4057340) at ../glib/gmain.c:6284
#15 0x00007f454ab38040 in g_main_dispatch (context=0x7f41c40008e0) at ../glib/gmain.c:3398
#16 g_main_context_dispatch_unlocked (context=0x7f41c40008e0) at ../glib/gmain.c:4249
#17 0x00007f454ab41128 in g_main_context_iterate_unlocked (context=0x7f41c40008e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4314
#18 0x00007f454ab413cf in g_main_loop_run (loop=0x7f41c4000d40) at ../glib/gmain.c:4516
#19 0x00007f453400c269 in _gst_pc_thread (webrtc=0x7f434807bad0) at ../gstreamer/subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c:1137
#20 0x00007f454ab6e8e2 in g_thread_proxy (data=0x2901b260) at ../glib/gthread.c:893
#21 0x00007f454a4f1f14 in start_thread (arg=<optimized out>) at pthread_create.c:448
#22 0x00007f454a574aac in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

[Philippe Normand]

Pull request: https://github.com/WebKit/WebKit/pull/45053

[EWS]

Committed 294660@main (c91567ff0ca7): <https://commits.webkit.org/294660@main>

Reviewed commits have been landed. Closing PR #45053 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/150920665>