Bug 268531 – REGRESSION(273876@main): [Win] Received invalid message: 'WebProcess_InitializeWebProcess'

• Component: WebKit2
• Status: RESOLVED FIXED

[Fujii Hironori]

WinCairo layout tests are crashing now.

Buildbot: builder WinCairo-64-bit-Debug-Tests build 21764 : 273884@main
https://build.webkit.org/#/builders/727/builds/21764

Received invalid message: 'WebProcess_InitializeWebProcess'
1   00007FF903601B99 WTFCrash
2   00007FF8EB5ADC17 WebKit::AuxiliaryProcess::didReceiveInvalidMessage
3   00007FF8EB564939 IPC::Connection::dispatchMessage
4   00007FF8EB564B6D IPC::Connection::dispatchOneIncomingMessage
5   00007FF8EB568D0B IPC::Connection::enqueueIncomingMessage::<lambda_9>::operator()
6   00007FF8EB568CA7 WTF::Detail::CallableWrapper<`lambda at C:\BW\WinCairo-64-bit-Debug-Build\build\Source\WebKit\Platform/IPC/Connection.cpp:1205:31',void>::call
7   00007FF903618204 WTF::Function<void ()>::operator()
8   00007FF90369B7DA WTF::RunLoop::performWork
9   00007FF90377BC20 WTF::RunLoop::wndProc
10  00007FF90377BB57 WTF::RunLoop::RunLoopWndProc
11  00007FF904240089 CallWindowProcW
12  00007FF90423FA02 DispatchMessageW
13  00007FF90377BDFD WTF::RunLoop::run
14  00007FF8EA6DA713 WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess,1>::run
15  00007FF8EA6DA5C7 WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainWin>
16  00007FF8EA6DA4A3 WebKit::WebProcessMain
17  00007FF79A11124C main
18  00007FF79A1118BC __scrt_common_main_seh
19  00007FF904EF4DE0 BaseThreadInitThunk
20  00007FF91541EC4B RtlUserThreadStart


273881@main bad
273874@main good

[Fujii Hironori]

273876@main is the regression point.

[Fujii Hironori]

Pull request: https://github.com/WebKit/WebKit/pull/23652

[EWS]

Committed 273886@main (d8f4d32718c7): <https://commits.webkit.org/273886@main>

Reviewed commits have been landed. Closing PR #23652 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/122072061>