[Webkit-unassigned] [Bug 263845] New: REGRESSION(269895 at main): ASSERTION FAILED: !m_deletionHasBegun for WebProcessPool

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=263845

            Bug ID: 263845
           Summary: REGRESSION(269895 at main): ASSERTION FAILED:
                    !m_deletionHasBegun for WebProcessPool
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com
                CC: kkinnunen at apple.com

REGRESSION(269895 at main): ASSERTION FAILED: !m_deletionHasBegun for WebProcessPool

Windows port and GTK port Debug build are failing an assertion.

Buildbot: builder GTK-Linux-64-bit-Debug-Tests build 11576 (269898 at main)
https://build.webkit.org/#/builders/63/builds/11576

ASSERTION FAILED: !m_deletionHasBegun
/app/webkit/WebKitBuild/GTK/Debug/WTF/Headers/wtf/ThreadSafeRefCounted.h(58) : void WTF::ThreadSafeRefCountedBase::ref() const
1   0x7ff9eeb4ca05 WTFCrash
2   0x7ff9eeb4ca1b WTFIsDebuggerAttached
3   0x7ff9f8483109 WTF::ThreadSafeRefCountedBase::ref() const
4   0x7ff9f880fbf5 WTF::Ref<WebKit::WebProcessPool, WTF::RawPtrTraits<WebKit::WebProcessPool> >::Ref(WebKit::WebProcessPool&)
5   0x7ff9f958bb9c WebKit::WebProcessProxy::protectedProcessPool() const
6   0x7ff9f95824d3 WebKit::WebProcessProxy::processWillShutDown(IPC::Connection&)
7   0x7ff9f9344eb2 WebKit::AuxiliaryProcessProxy::shutDownProcess()
8   0x7ff9f9582a2a WebKit::WebProcessProxy::shutDown()
9   0x7ff9f9572ed5 WebKit::WebProcessPool::~WebProcessPool()
10  0x7ff9f9573374 WebKit::WebProcessPool::~WebProcessPool()
11  0x7ff9f848339a WTF::ThreadSafeRefCounted<API::Object, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const
12  0x7ff9f84833e1 WTF::ThreadSafeRefCounted<API::Object, (WTF::DestructionThread)0>::deref() const
13  0x7ff9f95c9de1 WTF::DefaultRefDerefTraits<WebKit::WebProcessPool>::derefIfNotNull(WebKit::WebProcessPool*)
14  0x7ff9f95b84a2 WTF::RefPtr<WebKit::WebProcessPool, WTF::RawPtrTraits<WebKit::WebProcessPool>, WTF::DefaultRefDerefTraits<WebKit::WebProcessPool> >::~RefPtr()
15  0x7ff9f95acd84 WebKit::WebProcessProxy::WeakOrStrongPtr<WebKit::WebProcessPool>::~WeakOrStrongPtr()
16  0x7ff9f95807b6 WebKit::WebProcessProxy::~WebProcessProxy()
17  0x7ff9f958083e WebKit::WebProcessProxy::~WebProcessProxy()
18  0x7ff9f88181e4 WTF::ThreadSafeRefCounted<WebKit::AuxiliaryProcessProxy, (WTF::DestructionThread)2>::deref() const::{lambda()#1}::operator()() const
19  0x7ff9f882923c WTF::Detail::CallableWrapper<WTF::ThreadSafeRefCounted<WebKit::AuxiliaryProcessProxy, (WTF::DestructionThread)2>::deref() const::{lambda()#1}, void>::call()
20  0x7ff9ed58185b WTF::Function<void ()>::operator()() const
21  0x7ff9eebbcc10 WTF::ensureOnMainRunLoop(WTF::Function<void ()>&&)
22  0x7ff9f8818248 WTF::ThreadSafeRefCounted<WebKit::AuxiliaryProcessProxy, (WTF::DestructionThread)2>::deref() const
23  0x7ff9f8818018 WebKit::AuxiliaryProcessProxy::deref()
24  0x7ff9f8818301 WTF::Ref<WebKit::WebProcessProxy, WTF::RawPtrTraits<WebKit::WebProcessProxy> >::~Ref()
25  0x7ff9f9438a9c ~<lambda>
26  0x7ff9f948494c ~CallableWrapper
27  0x7ff9f9484974 ~CallableWrapper
28  0x7ff9eced7766 std::default_delete<WTF::Detail::CallableWrapperBase<void> >::operator()(WTF::Detail::CallableWrapperBase<void>*) const
29  0x7ff9eced3a6c std::unique_ptr<WTF::Detail::CallableWrapperBase<void>, std::default_delete<WTF::Detail::CallableWrapperBase<void> > >::~unique_ptr()
30  0x7ff9eced2fbe WTF::Function<void ()>::~Function()
31  0x7ff9eebe8b6f WTF::RunLoop::performWork()

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