[Webkit-unassigned] [Bug 238663] New: ASSERTION FAILED: !m_pendingOutgoingMachMessage && !m_isInitializingSendSource

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238663

            Bug ID: 238663
           Summary: ASSERTION FAILED: !m_pendingOutgoingMachMessage &&
                    !m_isInitializingSendSource
           Product: WebKit
           Version: Safari 15
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: kkinnunen at apple.com

ASSERTION FAILED: !m_pendingOutgoingMachMessage && !m_isInitializingSendSource

Thread 3 Crashed::  Dispatch queue: com.apple.IPC.ReceiveQueue
0   JavaScriptCore                             0x13b2b545e WTFCrash + 14 (Assertions.cpp:322)
1   WebKit                                     0x12698639b WTFCrashWithInfo(int, char const*, char const*, int) + 27 (Assertions.h:748)
2   WebKit                                     0x1273b3203 IPC::Connection::sendOutgoingMessage(WTF::UniqueRef<IPC::Encoder>&&) + 147 (ConnectionCocoa.mm:288)
3   WebKit                                     0x127d87429 IPC::Connection::sendOutgoingMessages() + 345 (Connection.cpp:972)
4   WebKit                                     0x127da0fbd IPC::Connection::sendMessage(WTF::UniqueRef<IPC::Encoder>&&, WTF::OptionSet<IPC::SendOption>, std::__1::optional<WTF::Thread::QOS>)::$_2::operator()() + 29 (Connection.cpp:508)
5   WebKit                                     0x127da0f29 WTF::Detail::CallableWrapper<IPC::Connection::sendMessage(WTF::UniqueRef<IPC::Encoder>&&, WTF::OptionSet<IPC::SendOption>, std::__1::optional<WTF::Thread::QOS>)::$_2, void>::call() + 25 (Function.h:53)
6   JavaScriptCore                             0x13b2e05e2 WTF::Function<void ()>::operator()() const + 130 (Function.h:82)
7   JavaScriptCore                             0x13b408749 WTF::(anonymous namespace)::DispatchWorkItem::operator()() + 25 (WorkQueueCocoa.cpp:40)
8   JavaScriptCore                             0x13b4073f5 void WTF::dispatchWorkItem<WTF::(anonymous namespace)::DispatchWorkItem>(void*) + 37 (WorkQueueCocoa.cpp:48)
9   libdispatch.dylib                          0x10ab07b25 _dispatch_client_callout + 8
10  libdispatch.dylib                          0x10ab0e0df _dispatch_lane_serial_drain + 753
11  libdispatch.dylib                          0x10ab0ecc1 _dispatch_lane_invoke + 400
12  libdispatch.dylib                          0x10ab1997b _dispatch_workloop_worker_thread + 779
13  libsystem_pthread.dylib                    0x10af33fd0 _pthread_wqthread + 326
14  libsystem_pthread.dylib                    0x10af32f57 start_wqthread + 15

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