[Webkit-unassigned] [Bug 240692] REGRESSION (r293829): [ iOS ] TestWebKitAPI.GPUProcess.WebProcessTerminationAfterTooManyGPUProcessCrashes is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240692

Karl Rackler <rackler at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|REGRESSION (r294469?): [    |REGRESSION (r293829): [ iOS
                   |iOS ]                       |]
                   |TestWebKitAPI.GPUProcess.We |TestWebKitAPI.GPUProcess.We
                   |bProcessTerminationAfterToo |bProcessTerminationAfterToo
                   |ManyGPUProcessCrashes is a  |ManyGPUProcessCrashes is a
                   |flaky crash                 |flaky crash

--- Comment #4 from Karl Rackler <rackler at apple.com> ---
REPRODUCTION STEPS
I can reproduce this on r293829 (250302 at Main) but cannot reproduce it on r293828.

Command: 
run-api-tests --ios-simulator —debug --iterations 10 

Result: 
worker/0 TestWebKitAPI.GPUProcess.WebProcessTerminationAfterTooManyGPUProcessCrashes Crashed
ASSERTION FAILED: m_sendPort
/Volumes/Data/worker/trunk-OpenSource-ios-simulator-debug-archive/build/OpenSource/Source/WebKit/Platform/IPC/cocoa/ConnectionCocoa.mm(200) : bool IPC::Connection::open()
1   0x113d751e9 WTFCrash
2   0x13cb3af6b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x13d5fa40c IPC::Connection::open()
4   0x13d7f9f2f WebKit::GPUConnectionToWebProcess::GPUConnectionToWebProcess(WebKit::GPUProcess&, WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Connection::Identifier&&, WebKit::GPUProcessConnectionParameters&&)
5   0x13d7f9acd WebKit::GPUConnectionToWebProcess::GPUConnectionToWebProcess(WebKit::GPUProcess&, WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Connection::Identifier&&, WebKit::GPUProcessConnectionParameters&&)
6   0x13d7f9a03 WebKit::GPUConnectionToWebProcess::create(WebKit::GPUProcess&, WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Connection::Identifier&&, WebKit::GPUProcessConnectionParameters&&)
7   0x13d80089d WebKit::GPUProcess::createGPUConnectionToWebProcess(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&)
8   0x13d6f1d20 void IPC::callMemberFunctionImpl<WebKit::GPUProcess, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&), void (), std::__1::tuple<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment, WebKit::GPUProcessConnectionParameters>, 0ul, 1ul, 2ul, 3ul>(WebKit::GPUProcess*, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&), WTF::CompletionHandler<void ()>&&, std::__1::tuple<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment, WebKit::GPUProcessConnectionParameters>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul>)
9   0x13d6ed762 void IPC::callMemberFunction<WebKit::GPUProcess, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&), void (), std::__1::tuple<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment, WebKit::GPUProcessConnectionParameters>, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul> >(std::__1::tuple<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment, WebKit::GPUProcessConnectionParameters>&&, WTF::CompletionHandler<void ()>&&, WebKit::GPUProcess*, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&))
10  0x13d6bc994 void IPC::handleMessageAsync<Messages::GPUProcess::CreateGPUConnectionToWebProcess, WebKit::GPUProcess, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&)>(IPC::Connection&, IPC::Decoder&, WebKit::GPUProcess*, void (WebKit::GPUProcess::*)(WTF::ObjectIdentifier<WebCore::ProcessIdentifierType>, PAL::SessionID, IPC::Attachment&&, WebKit::GPUProcessConnectionParameters&&, WTF::CompletionHandler<void ()>&&))
11  0x13d6bbcf5 WebKit::GPUProcess::didReceiveGPUProcessMessage(IPC::Connection&, IPC::Decoder&)
12  0x13d800728 WebKit::GPUProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
13  0x13e00d2d0 IPC::Connection::dispatchMessage(IPC::Decoder&)
14  0x13e00d9c5 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)
15  0x13e006e43 IPC::Connection::SyncMessageState::ConnectionAndIncomingMessage::dispatch()
16  0x13e0070d8 IPC::Connection::SyncMessageState::dispatchMessagesAndResetDidScheduleDispatchMessagesForConnection(IPC::Connection&)
17  0x13e01f2dc IPC::Connection::SyncMessageState::processIncomingMessage(IPC::Connection&, std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >&)::$_5::operator()()
18  0x13e01f209 WTF::Detail::CallableWrapper<IPC::Connection::SyncMessageState::processIncomingMessage(IPC::Connection&, std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >&)::$_5, void>::call()
19  0x113da0d22 WTF::Function<void ()>::operator()() const
20  0x113e2fbf2 WTF::RunLoop::performWork()
21  0x113e3351e WTF::RunLoop::performWork(void*)
22  0x10bd9e833 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
23  0x10bd9e72b __CFRunLoopDoSource0
24  0x10bd9dbf8 __CFRunLoopDoSources0
25  0x10bd982f4 __CFRunLoopRun
26  0x10bd97a90 CFRunLoopRunSpecific
27  0x10c6e7e31 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
28  0x10c6e804f -[NSRunLoop(NSRunLoop) run]
29  0x10d1f5feb _xpc_objc_main
30  0x10d1f7fd4 xpc_main
31  0x13d89de5a WebKit::XPCServiceMain(int, char const**)
LEAK: 1 WebProcessPool
LEAK: 1 WebPageProxy

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