Bug 174789

This is a recent regression. It occurs frequently when closing Epiphany, but not always. It always occurs when closing Epiphany while displaying https://duckduckgo.com. ASSERTION FAILED: m_eglDisplay == EGL_NO_DISPLAY ../../Source/WebCore/platform/graphics/PlatformDisplay.cpp(159) : virtual WebCore::PlatformDisplay::~PlatformDisplay() #0 0x00007fc997c49fdf in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:278 No locals. #1 0x00007fc9a22f852d in (anonymous namespace)::PlatformDisplay::~PlatformDisplay (this=0x7fc925ad4090, __in_chrg=<optimized out>) at ../../Source/WebCore/platform/graphics/PlatformDisplay.cpp:159 No locals. #2 0x00000000046c7c08 in (anonymous namespace)::PlatformDisplayWayland::~PlatformDisplayWayland (this=0x7fc925ad4090, __in_chrg=<optimized out>) at ../../Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp:68 No locals. #3 0x00000000046c7c24 in (anonymous namespace)::PlatformDisplayWayland::~PlatformDisplayWayland (this=0x7fc925ad4090, __in_chrg=<optimized out>) at ../../Source/WebCore/platform/graphics/wayland/PlatformDisplayWayland.cpp:72 No locals. #4 0x00007fc9a22f8e6a in std::default_delete<WebCore::PlatformDisplay>::operator() (this=0x7fc9a70d51a8 <WebCore::PlatformDisplay::sharedDisplay()::display>, __ptr=0x7fc925ad4090) at /usr/include/c++/7/bits/unique_ptr.h:78 No locals. #5 0x00007fc9a22f8adb in std::unique_ptr<WebCore::PlatformDisplay, std::default_delete<WebCore::PlatformDisplay> >::~unique_ptr ( this=0x7fc9a70d51a8 <WebCore::PlatformDisplay::sharedDisplay()::display>, __in_chrg=<optimized out>) at /usr/include/c++/7/bits/unique_ptr.h:268 __ptr = @0x7fc9a70d51a8: 0x7fc925ad4090 #6 0x00007fc98c2e5c38 in __run_exit_handlers (status=0, listp=0x7fc98c6765b8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83 atfct = <optimized out> onfct = <optimized out> cxafct = <optimized out> f = <optimized out> #7 0x00007fc98c2e5c8a in __GI_exit (status=<optimized out>) at exit.c:105 No locals. #8 0x00007fc9a0476cb7 in IPC::Connection::didFailToSendSyncMessage ( this=0x7fc9855ea000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:884 No locals. #9 0x00007fc9a0474c24 in IPC::Connection::sendSyncMessage ( this=0x7fc9855ea000, syncRequestID=13, encoder=std::unique_ptr<IPC::Encoder> containing 0x7fc92267e780, timeout=..., sendSyncOptions=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:517 locker = {<WTF::AbstractLocker> = {<No data fields>}, m_lockable = 0x7fc9855ea110} __PRETTY_FUNCTION__ = "std::unique_ptr<IPC::Decoder> IPC::Connection::sendSyncMessage(uint64_t, std::unique_ptr<IPC::Encoder>, WTF::Seconds, WTF::OptionSet<IPC::SendSyncOption>)" protect = {static isRef = <optimized out>, m_ptr = 0x7ffd0c45d588} reply = std::unique_ptr<IPC::Decoder> containing 0x7fc92267e780 #10 0x00007fc9a073adc4 in IPC::Connection::sendSync<Messages::WebProcessProxy::ShouldTerminate> (this=0x7fc9855ea000, message=..., reply=..., destinationID=0, timeout=..., sendSyncOptions=...) at ../../Source/WebKit/Platform/IPC/Connection.h:384 syncRequestID = 13 encoder = std::unique_ptr<IPC::Encoder> containing 0x0 replyDecoder = std::unique_ptr<IPC::Decoder> containing 0x0 #11 0x00007fc9a0730cac in (anonymous namespace)::WebProcess::shouldTerminate ( this=0x7b4e180) at ../../Source/WebKit/WebProcess/WebProcess.cpp:609 __PRETTY_FUNCTION__ = "virtual bool WebKit::WebProcess::shouldTerminate()" shouldTerminate = false #12 0x00007fc9a04a7827 in (anonymous namespace)::ChildProcess::terminationTimerFired (this=0x7b4e180) at ../../Source/WebKit/Shared/ChildProcess.cpp:164 No locals. #13 0x00007fc9a04a77a2 in (anonymous namespace)::ChildProcess::enableTermination (this=0x7b4e180) at ../../Source/WebKit/Shared/ChildProcess.cpp:145 __PRETTY_FUNCTION__ = "void WebKit::ChildProcess::enableTermination()" #14 0x00007fc9a0730bec in (anonymous namespace)::WebProcess::removeWebPage ( this=0x7b4e180, pageID=1) at ../../Source/WebKit/WebProcess/WebProcess.cpp:599 __PRETTY_FUNCTION__ = "void WebKit::WebProcess::removeWebPage(uint64_t)" #15 0x00007fc9a089d5dd in (anonymous namespace)::WebPage::close ( this=0x7fc93a5fa600) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:1159 isRunningModal = false #16 0x00007fc9a0bf40b0 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(), std::tuple<> >((anonymous namespace)::WebPage *, void ((anonymous namespace)::WebPage::*)((anonymous namespace)::WebPage * const), std::tuple<> &&, std::index_sequence) (object=0x7fc93a5fa600, function=(void ((anonymous namespace)::WebPage::*)((anonymous namespace)::WebPage * const)) 0x7fc9a089d0ea <(anonymous namespace)::WebPage::close()>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:40 No locals. #17 0x00007fc9a0bf2568 in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(), std::tuple<> >(std::tuple<> &&, (anonymous namespace)::WebPage *, void ((anonymous namespace)::WebPage::*)((anonymous namespace)::WebPage * const)) (args=..., object=0x7fc93a5fa600, function=(void ((anonymous namespace)::WebPage::*)((anonymous namespace)::WebPage * const)) 0x7fc9a089d0ea <(anonymous namespace)::WebPage::close()>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:46 No locals. #18 0x00007fc9a0bed571 in IPC::handleMessage<Messages::WebPage::Close, WebKit::WebPage, void (WebKit::WebPage::*)()> (decoder=..., object=0x7fc93a5fa600, function=(void ((anonymous namespace)::WebPage::*)((anonymous namespace)::WebPage * const)) 0x7fc9a089d0ea <(anonymous namespace)::WebPage::close()>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:126 __PRETTY_FUNCTION__ = "void IPC::handleMessage(IPC::Decoder&, C*, MF) [with T = Messages::WebPage::Close; C = WebKit::WebPage; MF = void (WebKit::WebPage::*)()]" arguments = empty std::tuple #19 0x00007fc9a0be6f61 in (anonymous namespace)::WebPage::didReceiveWebPageMessage (this=0x7fc93a5fa600, connection=..., decoder=...) at DerivedSources/WebKit2/WebPageMessageReceiver.cpp:732 __PRETTY_FUNCTION__ = "void WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&)" #20 0x00007fc9a08a832c in (anonymous namespace)::WebPage::didReceiveMessage ( this=0x7fc93a5fa600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4158 No locals. #21 0x00007fc9a048df1c in IPC::MessageReceiverMap::dispatchMessage ( this=0x7b4e1f0, connection=..., decoder=...) at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123 messageReceiver = 0x7fc93a5fa610 __PRETTY_FUNCTION__ = "bool IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&)" #22 0x00007fc9a0730e0a in (anonymous namespace)::WebProcess::didReceiveMessage (this=0x7b4e180, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:642 __PRETTY_FUNCTION__ = "virtual void WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&)" #23 0x00007fc9a0476df4 in IPC::Connection::dispatchMessage ( this=0x7fc9855ea000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:901 No locals. #24 0x00007fc9a0476f67 in IPC::Connection::dispatchMessage ( this=0x7fc9855ea000, message=std::unique_ptr<IPC::Decoder> containing 0x7fc985564960) at ../../Source/WebKit/Platform/IPC/Connection.cpp:928 oldDidReceiveInvalidMessage = false #25 0x00007fc9a047715e in IPC::Connection::dispatchOneMessage ( this=0x7fc9855ea000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:959 message = std::unique_ptr<IPC::Decoder> containing 0x0 #26 0x00007fc9a0476cda in IPC::Connection::<lambda()>::operator()(void) ( __closure=0x7fc9855e15c8) at ../../Source/WebKit/Platform/IPC/Connection.cpp:895 protectedThis = {static isRef = <optimized out>, m_ptr = 0x7fc9855ea000} #27 0x00007fc9a047d2c0 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (this=0x7fc9855e15c0) at ../../Source/WTF/wtf/Function.h:102 No locals. #28 0x0000000002f79ed9 in WTF::Function<void()>::operator()(void) const ( this=0x7ffd0c45f5f8) at ../../Source/WTF/wtf/Function.h:56 No locals. #29 0x00007fc997c692aa in WTF::RunLoop::performWork (this=0x7fc9855fa100) at ../../Source/WTF/wtf/RunLoop.cpp:106 function = { m_callableWrapper = std::unique_ptr<WTF::Function<void()>::CallableWrapperBase> containing 0x7fc9855e15c0} functionsToHandle = 2 #30 0x00007fc997cb3926 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7fc9855fa100) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68 No locals. #31 0x00007fc997cb394a in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70 No locals. #32 0x00007fc997cb38c6 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x7b4e0d0, callback=0x7fc997cb392d <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7fc9855fa100) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45 No locals. #33 0x00007fc997cb38f5 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46 No locals. #34 0x00007fc9917c87de in g_main_dispatch (context=0x7abdbd0) at /home/mcatanzaro/Projects/GNOME/glib/glib/gmain.c:3148 dispatch = 0x7fc997cb38c8 <WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer)> prev_source = 0x0 was_in_call = 0 user_data = 0x7fc9855fa100 callback = 0x7fc997cb392d <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)> cb_funcs = 0x7fc991aa0a40 <g_source_callback_funcs> cb_data = 0x7b4e040 need_destroy = 0 source = 0x7b4e0d0 current = 0x7aef340 i = 0 __func__ = "g_main_dispatch" #35 0x00007fc9917c967f in g_main_context_dispatch (context=0x7abdbd0) at /home/mcatanzaro/Projects/GNOME/glib/glib/gmain.c:3813 No locals. #36 0x00007fc9917c9863 in g_main_context_iterate (context=0x7abdbd0, block=1, dispatch=1, self=0x7abf150) at /home/mcatanzaro/Projects/GNOME/glib/glib/gmain.c:3886 max_priority = 100 timeout = 0 some_ready = 1 nfds = 4 allocated_nfds = 4 fds = 0x7b605e0 #37 0x00007fc9917c9c89 in g_main_loop_run (loop=0x7b4e0b0) at /home/mcatanzaro/Projects/GNOME/glib/glib/gmain.c:4082 self = 0x7abf150 __func__ = "g_main_loop_run" #38 0x00007fc997cb3e14 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96 runLoop = @0x7fc9855fa100: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher>> = {<WTF::ThreadSafeRefCountedBase> = { m_refCount = {<std::__atomic_base<unsigned int>> = { static _S_alignment = 4, _M_i = 20}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7fc998d3f660 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {m_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 512, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 17 times>, "\002", '\000' <repeats 21 times>, __align = 0}}, m_functionQueue = {m_start = 34, m_end = 38, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = { m_buffer = 0x7fc9226bc000, m_capacity = 43, m_size = 0}, <No data fields>}, m_iterators = 0x0}, m_mainContext = {m_ptr = 0x7abdbd0}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7fc9855fa180, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = { m_ptr = 0x7b4e0d0}} mainContext = 0x7abdbd0 __PRETTY_FUNCTION__ = "static void WTF::RunLoop::run()" innermostLoop = 0x7b4e0b0 nestedMainLoop = 0x7ffd0c45f837 #39 0x00007fc9a0b3c5c3 in (anonymous namespace)::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=2, argv=0x7ffd0c45f9f8) at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61 childMain = warning: RTTI symbol not found for class 'WebKit::WebProcessMain' {<(anonymous namespace)::ChildProcessMainBase> = {<No data fields>}, <No data fields>} #40 0x00007fc9a0b3c475 in (anonymous namespace)::WebProcessMainUnix (argc=2, argv=0x7ffd0c45f9f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:69 No locals. #41 0x0000000002f4e7a2 in main (argc=2, argv=0x7ffd0c45f9f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:58 No locals.