Bug 136617 – [EFL[WK2] MiniBrowser comes to crash on debug mode

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit EFL

[Gyuyoung Kim]

There is a crash as soon as Minibrowser runs on debug mode.

gyuyoung@gyuyoung-MacBookPro:~/WebKit$ WebKitBuild/Debug/bin/MiniBrowser 
HTML5 local storage is enabled for this view.
ERR<3506>:efreet_cache lib/efreet/efreet_cache.c:1108 on_send_register() org.freedesktop.DBus.Error.ServiceUnknown The name org.enlightenment.Efreet was not provided by any .service files
ASSERTION FAILED: !window
/home/gyuyoung/WebKit/Source/WebCore/platform/efl/EflScreenUtilities.cpp(113) : void WebCore::applyCursorFromEcoreX(Ecore_X_Window, const char*)
1   0x7f02fabbcfdd WTFCrash
2   0x7f02f65b8a97 WebCore::applyCursorFromEcoreX(unsigned int, char const*)
3   0x7f02fdd47a94 EwkView::updateCursor(unsigned int)
4   0x7f02fdd47c3c EwkView::setCursor(WebCore::Cursor const&)
5   0x7f02fddb95c4 WebKit::WebViewEfl::setCursor(WebCore::Cursor const&)
6   0x7f02fdb2c2ab WebKit::WebPageProxy::setCursor(WebCore::Cursor const&)
7   0x7f02fde05407 void IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&), std::tuple<WebCore::Cursor>, 0ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&), std::tuple<WebCore::Cursor>&&, std::index_sequence<0ul>)
8   0x7f02fde014d8 void IPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&), std::tuple<WebCore::Cursor>, std::make_index_sequence<1ul> >(std::tuple<WebCore::Cursor>&&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&))
9   0x7f02fddf5fdf void IPC::handleMessage<Messages::WebPageProxy::SetCursor, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&)>(IPC::MessageDecoder&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WebCore::Cursor const&))
10  0x7f02fddf08d2 WebKit::WebPageProxy::didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&)
11  0x7f02fda1f62e IPC::MessageReceiverMap::dispatchMessage(IPC::Connection*, IPC::MessageDecoder&)
12  0x7f02fda3c7e7 WebKit::ChildProcessProxy::dispatchMessage(IPC::Connection*, IPC::MessageDecoder&)
13  0x7f02fdb651c7 WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&)
14  0x7f02fda0eae0 IPC::Connection::dispatchMessage(IPC::MessageDecoder&)
15  0x7f02fda0ebac IPC::Connection::dispatchMessage(std::unique_ptr<IPC::MessageDecoder, std::default_delete<IPC::MessageDecoder> >)
16  0x7f02fda0ed6d IPC::Connection::dispatchOneMessage()
17  0x7f02fda1ea1f WTF::FunctionWrapper<void (IPC::Connection::*)()>::operator()(IPC::Connection*)
18  0x7f02fda1e792 WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (IPC::Connection::*)()>, void (IPC::Connection*)>::operator()()
19  0x7f02fda1799d WTF::Function<void ()>::operator()() const
20  0x7f02fda13e65 std::_Function_handler<void (), WTF::Function<void ()> >::_M_invoke(std::_Any_data const&)
21  0x7f02fda275a0 std::function<void ()>::operator()() const
22  0x7f02fde47ba1 WTF::RunLoop::performWork()
23  0x7f02fde48d94 WTF::RunLoop::wakeUpEvent(void*, void*, unsigned int)
24  0x7f02fcb2f07f
25  0x7f02fcb2f80a
26  0x7f02fcb2e811
27  0x7f02fcb2ea17 ecore_main_loop_begin
28  0x40caf5 elm_main
29  0x40cb68 main
30  0x7f02fb6ccec5 __libc_start_main
31  0x4060d9
Error receiving IPC message on socket 27 in process 3537: Connection reset by peer
Segmentation fault (core dumped)
gyuyoung@gyuyoung-MacBookPro:~/WebKit$ LEAK: 1 WebPage
LEAK: 1 WebFrame
LEAK: 200 RenderObject
LEAK: 1 Page
LEAK: 1 Frame
LEAK: 8 CachedResource
LEAK: 4 SubresourceLoader
LEAK: 287 WebCoreNode
LEAK: 24 JSLazyEventListener

[Gyuyoung Kim]

Created attachment 237763 [details]
Patch

[Gyuyoung Kim]

In applyCursorFromEcoreX(), ASSERT(!window) makes a crash though window isn't null. This is wrong ASSERT use. This patch fixes it.

[Csaba Osztrogonác]

Comment on attachment 237763 [details]
Patch

LGTM, r=me.

[Csaba Osztrogonác]

Just to note, this buggy assert comes from http://trac.webkit.org/changeset/173354

[WebKit Commit Bot]

Comment on attachment 237763 [details]
Patch

Clearing flags on attachment: 237763

Committed r173373: <http://trac.webkit.org/changeset/173373>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.