Bug 112691 – [EFL][WK2] WebProcess crash on exiting from fullscreen

• Component: WebKit EFL
• Status: RESOLVED DUPLICATE

[Sudarsana Nagineni (babu)]

Noticed WebProcess crash when I press 'Escape' to exit from fullscreen.

#0  0x00007f446cb52c20 in WebKit::WebFullScreenManager::requestExitFullScreen (this=0xbddad0) at WebKit/Source/WebKit2/WebProcess/FullScreen/WebFullScreenManager.cpp:143
143	    ASSERT(m_element);
(gdb) bt
#0  0x00007f446cb52c20 in WebKit::WebFullScreenManager::requestExitFullScreen (this=0xbddad0) at WebKit/Source/WebKit2/WebProcess/FullScreen/WebFullScreenManager.cpp:143
#1  0x00007f446ccbd516 in CoreIPC::callMemberFunction<WebKit::WebFullScreenManager, void (WebKit::WebFullScreenManager::*)()> (object=0xbddad0, function=
    (void (WebKit::WebFullScreenManager::*)(WebKit::WebFullScreenManager * const)) 0x7f446cb52bd2 <WebKit::WebFullScreenManager::requestExitFullScreen()>)
    at WebKit/Source/WebKit2/Platform/CoreIPC/HandleMessage.h:15
#2  0x00007f446ccbd319 in CoreIPC::handleMessage<Messages::WebFullScreenManager::RequestExitFullScreen, WebKit::WebFullScreenManager, void (WebKit::WebFullScreenManager::*)()> (decoder=..., object=
    0xbddad0, function=(void (WebKit::WebFullScreenManager::*)(WebKit::WebFullScreenManager * const)) 0x7f446cb52bd2 <WebKit::WebFullScreenManager::requestExitFullScreen()>)
    at WebKit/Source/WebKit2/Platform/CoreIPC/HandleMessage.h:340
#3  0x00007f446ccbcebe in WebKit::WebFullScreenManager::didReceiveWebFullScreenManagerMessage (this=0xbddad0, decoder=...)
    at WebKit/WebKitBuild/Debug/DerivedSources/WebKit2/WebFullScreenManagerMessageReceiver.cpp:40
#4  0x00007f446cb525eb in WebKit::WebFullScreenManager::didReceiveMessage (this=0xbddad0, connection=0x913b20, decoder=...)
    at WebKit/Source/WebKit2/WebProcess/FullScreen/WebFullScreenManager.cpp:81
#5  0x00007f446cc0aed4 in WebKit::WebPage::didReceiveMessage (this=0x917510, connection=0x913b20, decoder=...) at WebKit/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:2999
#6  0x00007f446c9cd26a in CoreIPC::MessageReceiverMap::dispatchMessage (this=0x90fc68, connection=0x913b20, decoder=...) at WebKit/Source/WebKit2/Platform/CoreIPC/MessageReceiverMap.cpp:86
#7  0x00007f446cb379f1 in WebKit::WebProcess::didReceiveMessage (this=0x90fc10, connection=0x913b20, decoder=...) at WebKit/Source/WebKit2/WebProcess/WebProcess.cpp:598
#8  0x00007f446c9bb0c7 in CoreIPC::Connection::dispatchMessage (this=0x913b20, decoder=...) at WebKit/Source/WebKit2/Platform/CoreIPC/Connection.cpp:757
#9  0x00007f446c9bb1a2 in CoreIPC::Connection::dispatchMessage (this=0x913b20, incomingMessage=...) at WebKit/Source/WebKit2/Platform/CoreIPC/Connection.cpp:780
#10 0x00007f446c9bb3ab in CoreIPC::Connection::dispatchOneMessage (this=0x913b20) at WebKit/Source/WebKit2/Platform/CoreIPC/Connection.cpp:806
#11 0x00007f446c9cc536 in WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator() (this=0x7f440c000ae0, c=0x913b20) at WebKit/Source/WTF/wtf/Functional.h:218
#12 0x00007f446c9cc158 in WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() (this=0x7f440c000ad0)
    at WebKit/Source/WTF/wtf/Functional.h:496
#13 0x00007f446cbe8690 in WTF::Function<void ()>::operator()() const (this=0x7fffb72351b0) at WebKit/Source/WTF/wtf/Functional.h:704
#14 0x00007f446871dfdb in WebCore::RunLoop::performWork (this=0x863f70) at WebKit/Source/WebCore/platform/RunLoop.cpp:91
#15 0x00007f44692c8972 in WebCore::RunLoop::wakeUpEvent (data=0x863f70) at WebKit/Source/WebCore/platform/efl/RunLoopEfl.cpp:70
#16 0x00007f446d1ac801 in _ecore_pipe_read (data=0x814ab0, fd_handler=<optimized out>) at ecore_pipe.c:632
#17 0x00007f446d1ab741 in _ecore_call_fd_cb (data=<optimized out>, func=<optimized out>, fd_handler=0x815140) at ecore_private.h:345
#18 _ecore_main_fd_handlers_call () at ecore_main.c:1670
#19 _ecore_main_loop_iterate_internal (once_only=0) at ecore_main.c:1917
#20 0x00007f446d1abc87 in ecore_main_loop_begin () at ecore_main.c:956
#21 0x00007f44692c8903 in WebCore::RunLoop::run () at WebKit/Source/WebCore/platform/efl/RunLoopEfl.cpp:53
#22 0x00007f446cc8a911 in WebKit::WebProcessMainEfl (argc=2, argv=0x7fffb72354d8) at WebKit/Source/WebKit2/WebProcess/efl/WebProcessMainEfl.cpp:145
#23 0x00000000004007b4 in main (argc=2, argv=0x7fffb72354d8) at WebKit/Source/WebKit2/efl/MainEfl.cpp:30

[Sudarsana Nagineni (babu)]

We should not call ewk_view_fullscreen_exit(), if the view is not in fullscreen.

[Chris Dumez]

(In reply to comment #1)
> We should not call ewk_view_fullscreen_exit(), if the view is not in fullscreen.

Even if the client calls ewk_view_fullscreen_exit() and we are not fullscreen, it should NOT crash. BTW, I believe this is a duplicate of Bug 108201.

[Sudarsana Nagineni (babu)]

(In reply to comment #2)
> Even if the client calls ewk_view_fullscreen_exit() and we are not fullscreen, it should NOT crash. BTW, I believe this is a duplicate of Bug 108201.

Alright, it's a duplicate :)

*** This bug has been marked as a duplicate of bug 108201 ***