Bug 109692 – [WK2] Assertion failure if the Web Process crashes when inspector is opened

• Status: NEW
• Component: WebKit EFL

[Sudarsana Nagineni (babu)]

UIProcess hit assertion when the Web Process crashes on EFL port.

#0  0x00007feff641abe3 in CoreIPC::MessageReceiverMap::removeMessageReceiver (this=0x269ef80, messageReceiverName=..., destinationID=2)
    at WebKit/Source/WebKit2/Platform/CoreIPC/MessageReceiverMap.cpp:65
65	    ASSERT(m_messageReceivers.contains(std::make_pair(messageReceiverName, destinationID)));
(gdb) bt
#0  0x00007feff641abe3 in CoreIPC::MessageReceiverMap::removeMessageReceiver (this=0x269ef80, messageReceiverName=..., destinationID=2)
    at WebKit/Source/WebKit2/Platform/CoreIPC/MessageReceiverMap.cpp:65
#1  0x00007feff6431178 in WebKit::ChildProcessProxy::removeMessageReceiver (this=0x269ef40, messageReceiverName=..., destinationID=2) at WebKit/Source/WebKit2/Shared/ChildProcessProxy.cpp:102
#2  0x00007feff64f26ad in WebKit::WebPageProxy::processDidCrash (this=0x2debf00) at WebKit/Source/WebKit2/UIProcess/WebPageProxy.cpp:3566
#3  0x00007feff652b7aa in WebKit::WebProcessProxy::didClose (this=0x269ef40) at WebKit/Source/WebKit2/UIProcess/WebProcessProxy.cpp:406
#4  0x00007feff6407aa7 in CoreIPC::Connection::dispatchConnectionDidClose (this=0x26ede30) at WebKit/Source/WebKit2/Platform/CoreIPC/Connection.cpp:708
#5  0x00007feff641a07e in WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator() (this=0x7fef88000980, c=0x26ede30) at WebKit/Source/WTF/wtf/Functional.h:218
#6  0x00007feff6419bd6 in WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() (this=0x7fef88000970)

[Sudarsana Nagineni (babu)]

This is reproducible and it happens if the Web Process crashes when the Web Inspector is being opened.

[Sudarsana Nagineni (babu)]

Created attachment 189332 [details]
Patch

[Alexis Menard (darktears)]

Comment on attachment 189332 [details]
Patch

Is there a test case for that? Could you be more explicit on how this scenario happens?

[Benjamin Poulain]

Comment on attachment 189332 [details]
Patch

I agree with Alexis, this needs a bit more information.

Why can't this be tested?

[Alexis Menard (darktears)]

Remove from WebKit2 patches pending review for now. Please re-add when the patch is ready.