[Webkit-unassigned] [Bug 216727] [GTK] REGRESSION(r267250) API test /webkit/WebKitWebView/usermedia-enumeratedevices-permission-check is crashing

Wed Oct 7 06:53:30 PDT 2020

https://bugs.webkit.org/show_bug.cgi?id=216727

--- Comment #4 from Philippe Normand <pnormand at igalia.com> ---
#0  g_type_check_instance (type_instance=type_instance at entry=0x1535620) at ../gobject/gtype.c:4134
4134              TypeNode *node = lookup_type_node_I (type_instance->g_class->g_type);
[Current thread is 1 (Thread 0x7f7b6093a9c0 (LWP 853))]
(gdb) bt
#0  g_type_check_instance (type_instance=type_instance at entry=0x1535620) at ../gobject/gtype.c:4134
#1  0x00007f7b62268bff in g_signal_emit_valist (instance=0x1535620, signal_id=182, detail=0, var_args=var_args at entry=0x7ffd50133d50) at ../gobject/gsignal.c:3273
#2  0x00007f7b62269d43 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../gobject/gsignal.c:3550
#3  0x00007f7b76f6662a in webkitGeolocationManagerStop(_WebKitGeolocationManager*) (manager=0x1535620) at ../../Source/WebKit/UIProcess/API/glib/WebKitGeolocationManager.cpp:269
#4  0x00007f7b76f66fdd in GeolocationProvider::stopUpdating(WebKit::WebGeolocationManagerProxy&) (this=0x7f7b600fa1a0) at ../../Source/WebKit/UIProcess/API/glib/WebKitGeolocationManager.cpp:301
#5  0x00007f7b76d0229e in WebKit::WebGeolocationManagerProxy::removeRequester(IPC::Connection::Client const*) (this=0x7f7b600e7000, client=0x7f7afc2fc488)
    at ../../Source/WebKit/UIProcess/WebGeolocationManagerProxy.cpp:149
#6  0x00007f7b76d02820 in WebKit::WebGeolocationManagerProxy::stopUpdating(IPC::Connection&) (this=0x7f7b600e7000, connection=...) at ../../Source/WebKit/UIProcess/WebGeolocationManagerProxy.cpp:137
#7  0x00007f7b76340f5c in IPC::callMemberFunctionImpl<WebKit::WebGeolocationManagerProxy, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&), std::tuple<>>(WebKit::WebGeolocationManagerProxy*, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&), IPC::Connection&, std::tuple<>&&, std::integer_sequence<unsigned long>) (object=0x7f7b600e7000, function=
    (void (WebKit::WebGeolocationManagerProxy::*)(class WebKit::WebGeolocationManagerProxy * const, class IPC::Connection &)) 0x7f7b76d027f0 <WebKit::WebGeolocationManagerProxy::stopUpdating(IPC::Connection&)>, connection=..., args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:83
#8  0x00007f7b76340ec0 in IPC::callMemberFunction<WebKit::WebGeolocationManagerProxy, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&), std::tuple<>, std::integer_sequence<unsigned long> >(IPC::Connection&, std::tuple<>&&, WebKit::WebGeolocationManagerProxy*, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&)) (connection=..., args=..., object=0x7f7b600e7000, function=
    (void (WebKit::WebGeolocationManagerProxy::*)(class WebKit::WebGeolocationManagerProxy * const, class IPC::Connection &)) 0x7f7b76d027f0 <WebKit::WebGeolocationManagerProxy::stopUpdating(IPC::Connection&)>)
    at ../../Source/WebKit/Platform/IPC/HandleMessage.h:89
#9  0x00007f7b7633ffb9 in IPC::handleMessage<Messages::WebGeolocationManagerProxy::StopUpdating, WebKit::WebGeolocationManagerProxy, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&)>(IPC::Connection&, IPC::Decoder&, WebKit::WebGeolocationManagerProxy*, void (WebKit::WebGeolocationManagerProxy::*)(IPC::Connection&)) (connection=..., decoder=..., object=0x7f7b600e7000, function=
    (void (WebKit::WebGeolocationManagerProxy::*)(class WebKit::WebGeolocationManagerProxy * const, class IPC::Connection &)) 0x7f7b76d027f0 <WebKit::WebGeolocationManagerProxy::stopUpdating(IPC::Connection&)>)
    at ../../Source/WebKit/Platform/IPC/HandleMessage.h:132
#10 0x00007f7b7633fd0a in WebKit::WebGeolocationManagerProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f7b600e7000, connection=..., decoder=...)
    at DerivedSources/WebKit/WebGeolocationManagerProxyMessageReceiver.cpp:46
#11 0x00007f7b76b47cfc in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f7b600f4038, connection=..., decoder=...)
    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:118
#12 0x00007f7b76d6636e in WebKit::WebProcessPool::dispatchMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f7b600f4000, connection=..., decoder=...) at ../../Source/WebKit/UIProcess/WebProcessPool.cpp:1377
#13 0x00007f7b76d6bbd3 in WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f7afc2fc480, connection=..., decoder=...) at ../../Source/WebKit/UIProcess/WebProcessProxy.cpp:796
#14 0x00007f7b76b23a3f in IPC::Connection::dispatchMessage(IPC::Decoder&) (this=0x7f7b600ce1c0, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1001
#15 0x00007f7b76b23fd0 in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) (this=0x7f7b600ce1c0, message=std::unique_ptr<class IPC::Decoder> = {...})
    at ../../Source/WebKit/Platform/IPC/Connection.cpp:1070
#16 0x00007f7b76b22ee1 in IPC::Connection::dispatchIncomingMessages() (this=0x7f7b600ce1c0) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1174
#17 0x00007f7b76b2986f in IPC::Connection::MessagesThrottler::scheduleMessagesDispatch()::$_10::operator()() (this=0x7f7b6007fc20) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1106
#18 0x00007f7b76b297de in WTF::Detail::CallableWrapper<IPC::Connection::MessagesThrottler::scheduleMessagesDispatch()::$_10, void>::call() (this=0x7f7b6007fc18)
    at DerivedSources/ForwardingHeaders/wtf/Function.h:52
#19 0x00007f7b75fd9a82 in WTF::Function<void ()>::operator()() const (this=0x7ffd50134408) at DerivedSources/ForwardingHeaders/wtf/Function.h:83
#20 0x00007f7b698d2995 in WTF::RunLoop::performWork() (this=0x7f7b600f9000) at ../../Source/WTF/wtf/RunLoop.cpp:123
#21 0x00007f7b6996ba5c in WTF::RunLoop::RunLoop()::$_1::operator()(void*) const (this=0x7f7b600f9000, userData=0x7f7b600f9000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:80
#22 0x00007f7b6996ba35 in WTF::RunLoop::RunLoop()::$_1::__invoke(void*) (userData=0x7f7b600f9000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:79
#23 0x00007f7b6996b9e9 in WTF::RunLoop::$_0::operator()(_GSource*, int (*)(void*), void*) const
    (this=0x14beaa0, source=0x14beaa0, callback=0x7f7b6996ba20 <WTF::RunLoop::RunLoop()::$_1::__invoke(void*)>, userData=0x7f7b600f9000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:53
#24 0x00007f7b6996aa65 in WTF::RunLoop::$_0::__invoke(_GSource*, int (*)(void*), void*) (source=0x14beaa0, callback=0x7f7b6996ba20 <WTF::RunLoop::RunLoop()::$_1::__invoke(void*)>, userData=0x7f7b600f9000)
    at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
#25 0x00007f7b81eb804f in g_main_dispatch (context=0x13d2ca0) at ../glib/gmain.c:3325
#26 g_main_context_dispatch (context=0x13d2ca0) at ../glib/gmain.c:4016
#27 0x00007f7b81eb83f8 in g_main_context_iterate (context=context at entry=0x13d2ca0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4092
#28 0x00007f7b81eb84c3 in g_main_context_iteration (context=0x13d2ca0, may_block=1) at ../glib/gmain.c:4157
#29 0x000000000042ad2b in WebViewTest::showInWindow(int, int) (this=0x13eba40, width=0, height=0) at ../../Tools/TestWebKitAPI/glib/WebKitGLib/gtk/WebViewTestGtk.cpp:88
#30 0x00000000004148a6 in testWebViewUserMediaEnumerateDevicesPermissionCheck(UIClientTest*, void const*) (test=0x13eba40) at ../../Tools/TestWebKitAPI/Tests/WebKitGLib/TestUIClient.cpp:908
#31 0x00007f7b81ee092e in test_case_run (tc=0x1539960) at ../glib/gtestutils.c:2652
#32 g_test_run_suite_internal (suite=suite at entry=0x153b0e0, path=path at entry=0x0) at ../glib/gtestutils.c:2740
#33 0x00007f7b81ee072b in g_test_run_suite_internal (suite=suite at entry=0x153b100, path=path at entry=0x0) at ../glib/gtestutils.c:2752
#34 0x00007f7b81ee072b in g_test_run_suite_internal (suite=suite at entry=0x153b1a0, path=path at entry=0x0) at ../glib/gtestutils.c:2752
--Type <RET> for more, q to quit, c to continue without paging--
#35 0x00007f7b81ee0e1a in g_test_run_suite (suite=0x153b1a0) at ../glib/gtestutils.c:2827
#36 0x00007f7b81ee0e35 in g_test_run () at ../glib/gtestutils.c:2061
#37 0x0000000000421141 in main(int, char**) (argc=1, argv=0x7ffd50134b68) at ../../Tools/TestWebKitAPI/glib/WebKitGLib/TestMain.cpp:138
(gdb) f 3
#3  0x00007f7b76f6662a in webkitGeolocationManagerStop (manager=0x1535620) at ../../Source/WebKit/UIProcess/API/glib/WebKitGeolocationManager.cpp:269
269         g_signal_emit(manager, signals[STOP], 0, nullptr);
(gdb) p manager
$1 = 0x1535620
(gdb) p *manager
$2 = {parent = {g_type_instance = {g_class = <error reading variable: Cannot access memory at address 0x1>}, ref_count = 25341984, qdata = 0x1823150}, priv = 0x1535600}

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