Bug 257120

Launch minibrowser with any page about:blank

(gdb) bt
#0  0x00007fe1440be27e in WTFCrash() () at /app/webkit/Source/WTF/wtf/Assertions.cpp:327
#1  0x00007fe141cd584b in WTFCrashWithInfo(int, char const*, char const*, int) () at WTF/Headers/wtf/Assertions.h:758
#2  0x00007fe14435b0ef in WTF::RunLoop::assertIsCurrent() const (this=0x7fe1300200c0) at /app/webkit/Source/WTF/wtf/RunLoop.cpp:209
#3  0x00007fe14c998c06 in WTF::assertIsCurrent(WTF::SerialFunctionDispatcher const&) (queue=...) at WTF/Headers/wtf/FunctionDispatcher.h:56
#4  0x00007fe14c98a2b9 in IPC::Connection::SyncMessageState::enqueueMatchingMessages(IPC::Connection&, IPC::MessageReceiveQueue&, IPC::ReceiverMatcher const&) (this=0x21d9220, connection=..., receiveQueue=..., receiverMatcher=...) at /app/webkit/Source/WebKit/Platform/IPC/Connection.cpp:175
#5  0x00007fe14c98b4e8 in IPC::Connection::enqueueMatchingMessagesToMessageReceiveQueue(IPC::MessageReceiveQueue&, IPC::ReceiverMatcher const&) (this=0x7fe1300641e0, receiveQueue=..., receiverMatcher=...) at /app/webkit/Source/WebKit/Platform/IPC/Connection.cpp:362
#6  0x00007fe14c98b873 in IPC::Connection::addMessageReceiver(WTF::FunctionDispatcher&, IPC::MessageReceiver&, IPC::ReceiverName, unsigned long) (this=0x7fe1300641e0, dispatcher=..., receiver=..., receiverName=IPC::ReceiverName::AcceleratedSurfaceDMABuf, destinationID=11) at /app/webkit/Source/WebKit/Platform/IPC/Connection.cpp:407
#7  0x00007fe14d5f272b in WebKit::AcceleratedSurfaceDMABuf::didCreateGLContext() (this=0x7fe13003d080) at /app/webkit/Source/WebKit/WebProcess/WebPage/gtk/AcceleratedSurfaceDMABuf.cpp:245
#8  0x00007fe14d5ff0d2 in WebKit::LayerTreeHost::didCreateGLContext() (this=0x7fe13012c1f0) at /app/webkit/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp:410
#9  0x00007fe14cab65dc in WebKit::ThreadedCompositor::createGLContext() (this=0x7fe13001c720) at /app/webkit/Source/WebKit/Shared/CoordinatedGraphics/threadedcompositor/ThreadedCompositor.cpp:117
#10 0x00007fe14caba18b in WebKit::ThreadedCompositor::ThreadedCompositor(WebKit::ThreadedCompositor::Client&, WebKit::ThreadedDisplayRefreshMonitor::Client&, unsigned int, WebCore::IntSize const&, float, unsigned int)::$_3::operator()() const (this=0x7fe130128da8) at /app/webkit/Source/WebKit/Shared/CoordinatedGraphics/threadedcompositor/ThreadedCompositor.cpp:87
#11 0x00007fe14caba029 in WTF::Detail::CallableWrapper<WebKit::ThreadedCompositor::ThreadedCompositor(WebKit::ThreadedCompositor::Client&, WebKit::ThreadedDisplayRefreshMonitor::Client&, unsigned int, WebCore::IntSize const&, float, unsigned int)::$_3, void>::call() (this=0x7fe130128da0) at WTF/Headers/wtf/Function.h:53
#12 0x00007fe14c4633c2 in WTF::Function<void ()>::operator()() const (this=0x7fe130128dd0) at WTF/Headers/wtf/Function.h:82
#13 0x00007fe14cab9850 in WebKit::CompositingRunLoop::performTaskSync(WTF::Function<void ()>&&)::$_1::operator()() const (this=0x7fe130128dc8) at /app/webkit/Source/WebKit/Shared/CoordinatedGraphics/threadedcompositor/CompositingRunLoop.cpp:81
#14 0x00007fe14cab9809 in WTF::Detail::CallableWrapper<WebKit::CompositingRunLoop::performTaskSync(WTF::Function<void ()>&&)::$_1, void>::call() (this=0x7fe130128dc0) at WTF/Headers/wtf/Function.h:53
#15 0x00007fe142ab0862 in WTF::Function<void ()>::operator()() const (this=0x7fe0b3ffe880) at WTF/Headers/wtf/Function.h:82
#16 0x00007fe14435acce in WTF::RunLoop::performWork() (this=0x7fe1301300c0) at /app/webkit/Source/WTF/wtf/RunLoop.cpp:147
#17 0x00007fe1444102e9 in WTF::RunLoop::RunLoop()::$_1::operator()(void*) const (this=0x7fe1301300c0, userData=0x7fe1301300c0) at /app/webkit/Source/WTF/wtf/glib/RunLoopGLib.cpp:80
#18 0x00007fe1444102c5 in WTF::RunLoop::RunLoop()::$_1::__invoke(void*) (userData=0x7fe1301300c0) at /app/webkit/Source/WTF/wtf/glib/RunLoopGLib.cpp:79
#19 0x00007fe144410279 in WTF::RunLoop::$_0::operator()(_GSource*, int (*)(void*), void*) const (this=0x7fe0ac001b40, source=0x7fe0ac001b40, callback=0x7fe1444102b0 <WTF::RunLoop::RunLoop()::$_1::__invoke(void*)>, userData=0x7fe1301300c0) at /app/webkit/Source/WTF/wtf/glib/RunLoopGLib.cpp:53
#20 0x00007fe14440f475 in WTF::RunLoop::$_0::__invoke(_GSource*, int (*)(void*), void*) (source=0x7fe0ac001b40, callback=0x7fe1444102b0 <WTF::RunLoop::RunLoop()::$_1::__invoke(void*)>, userData=0x7fe1301300c0) at /app/webkit/Source/WTF/wtf/glib/RunLoopGLib.cpp:45
#21 0x00007fe144b40c37 in g_main_dispatch (context=0x7fe0ac000b70) at ../glib/gmain.c:3419
#22 g_main_context_dispatch (context=0x7fe0ac000b70) at ../glib/gmain.c:4137
#23 0x00007fe144b97028 in g_main_context_iterate.constprop.0 (context=0x7fe0ac000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4213
#24 0x00007fe144b402af in g_main_loop_run (loop=0x7fe0ac001b20) at ../glib/gmain.c:4413
#25 0x00007fe14440f9f8 in WTF::RunLoop::run() () at /app/webkit/Source/WTF/wtf/glib/RunLoopGLib.cpp:108
#26 0x00007fe14435b5d4 in WTF::RunLoop::create(char const*, WTF::ThreadType, WTF::Thread::QOS)::$_1::operator()() const (this=0x7fe130128d48) at /app/webkit/Source/WTF/wtf/RunLoop.cpp:114
#27 0x00007fe14435b579 in WTF::Detail::CallableWrapper<WTF::RunLoop::create(char const*, WTF::ThreadType, WTF::Thread::QOS)::$_1, void>::call() (this=0x7fe130128d40) at /app/webkit/Source/WTF/wtf/Function.h:53
#28 0x00007fe142ab0862 in WTF::Function<void ()>::operator()() const (this=0x7fe0b3ffeba0) at WTF/Headers/wtf/Function.h:82
#29 0x00007fe144366b98 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) (newThreadContext=0x7fe13003d170) at /app/webkit/Source/WTF/wtf/Threading.cpp:250
#30 0x00007fe14441dd55 in WTF::wtfThreadEntryPoint(void*) (context=0x7fe13003d170) at /app/webkit/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:242
#31 0x00007fe13d88f1da in start_thread (arg=<optimized out>) at pthread_create.c:442
#32 0x00007fe13d917f44 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100