[Webkit-unassigned] [Bug 184022] New: webrtc/video-update-often.html is flakily crashing on iOS simulator Debug

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184022

            Bug ID: 184022
           Summary: webrtc/video-update-often.html is flakily crashing on
                    iOS simulator Debug
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: youennf at gmail.com
                CC: youennf at gmail.com

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   JavaScriptCore                      0x00000001142f6334 WTFCrash + 36
1   com.apple.WebKit                    0x000000010c70b048 WebKit::PlaybackSessionManager::removeClientForContext(unsigned long long) + 88
2   com.apple.WebKit                    0x000000010c70b29c WebKit::PlaybackSessionManager::setUpPlaybackControlsManager(WebCore::HTMLMediaElement&) + 316
3   com.apple.WebKit                    0x000000010c9e7649 WebKit::WebChromeClient::setUpPlaybackControlsManager(WebCore::HTMLMediaElement&) + 41
4   com.apple.WebCore                   0x0000000119da9953 WebCore::HTMLMediaElement::updatePlaybackControlsManager() + 115
5   com.apple.WebCore                   0x0000000119da8ab3 WebCore::HTMLMediaElement::~HTMLMediaElement() + 1699
6   com.apple.WebCore                   0x0000000119e6b876 WebCore::HTMLVideoElement::~HTMLVideoElement() + 534
7   com.apple.WebCore                   0x0000000119e69035 WebCore::HTMLVideoElement::~HTMLVideoElement() + 21
8   com.apple.WebCore                   0x0000000119e69059 WebCore::HTMLVideoElement::~HTMLVideoElement() + 25
9   com.apple.WebCore                   0x0000000119aee0bb WebCore::Node::removedLastRef() + 91
10  com.apple.WebKit                    0x000000010c46ba73 WebCore::Node::deref() + 371
11  com.apple.WebKit                    0x000000010c71b621 void WTF::derefIfNotNull<WebCore::HTMLMediaElement>(WebCore::HTMLMediaElement*) + 49
12  com.apple.WebKit                    0x000000010c71b5e9 WTF::RefPtr<WebCore::HTMLMediaElement, WTF::DumbPtrTraits<WebCore::HTMLMediaElement> >::~RefPtr() + 41
13  com.apple.WebKit                    0x000000010c70aee5 WTF::RefPtr<WebCore::HTMLMediaElement, WTF::DumbPtrTraits<WebCore::HTMLMediaElement> >::~RefPtr() + 21
14  com.apple.WebKit                    0x000000010c70ac94 WebKit::PlaybackSessionManager::removeContext(unsigned long long) + 1108
15  com.apple.WebKit                    0x000000010c70b07b WebKit::PlaybackSessionManager::removeClientForContext(unsigned long long) + 139
16  com.apple.WebKit                    0x000000010c70b344 WebKit::PlaybackSessionManager::setUpPlaybackControlsManager(WebCore::HTMLMediaElement&) + 484
17  com.apple.WebKit                    0x000000010c9e7649 WebKit::WebChromeClient::setUpPlaybackControlsManager(WebCore::HTMLMediaElement&) + 41
18  com.apple.WebCore                   0x0000000119da9953 WebCore::HTMLMediaElement::updatePlaybackControlsManager() + 115
19  com.apple.WebCore                   0x0000000119de96d7 WTF::Function<void ()>::CallableWrapper<std::__1::__bind<void (WebCore::HTMLMediaElement::*)(), WebCore::HTMLMediaElement*> >::call() + 247
20  com.apple.WebCore                   0x0000000117cda5eb WTF::Function<void ()>::operator()() const + 139
21  com.apple.WebCore                   0x0000000117ea96f9 WebCore::GenericTaskQueue<WebCore::Timer>::enqueueTask(WTF::Function<void ()>&&)::'lambda'()::operator()() const + 137
22  com.apple.WebCore                   0x0000000117ea94d9 WTF::Function<void ()>::CallableWrapper<WebCore::GenericTaskQueue<WebCore::Timer>::enqueueTask(WTF::Function<void ()>&&)::'lambda'()>::call() + 25
23  com.apple.WebCore                   0x0000000117cda5eb WTF::Function<void ()>::operator()() const + 139
24  com.apple.WebCore                   0x000000011a4a8b17 WebCore::TaskDispatcher<WebCore::Timer>::dispatchOneTask() + 119
25  com.apple.WebCore                   0x000000011a4a88cf WebCore::TaskDispatcher<WebCore::Timer>::sharedTimerFired() + 255
26  com.apple.WebCore                   0x000000011a4ac621 WebCore::TaskDispatcher<WebCore::Timer>::sharedTimer()::$_1::operator()() const + 17
27  com.apple.WebCore                   0x000000011a4ac5e9 WTF::Function<void ()>::CallableWrapper<WebCore::TaskDispatcher<WebCore::Timer>::sharedTimer()::$_1>::call() + 25
28  com.apple.WebCore                   0x0000000117cda5eb WTF::Function<void ()>::operator()() const + 139
29  com.apple.WebCore                   0x0000000117d5d689 WebCore::Timer::fired() + 25
30  com.apple.WebCore                   0x000000011a4df5c4 WebCore::ThreadTimers::sharedTimerFiredInternal() + 452
31  com.apple.WebCore                   0x000000011a4f5911 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const + 33
32  com.apple.WebCore                   0x000000011a4f58c9 WTF::Function<void ()>::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0>::call() + 25
33  com.apple.WebCore                   0x0000000117cda5eb WTF::Function<void ()>::operator()() const + 139
34  com.apple.WebCore                   0x000000011a4b7b55 WebCore::MainThreadSharedTimer::fired() + 101
35  com.apple.WebCore                   0x000000011a5545a9 WebCore::timerFired(__CFRunLoopTimer*, void*) + 41

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