[Webkit-unassigned] [Bug 205888] New: [iOS] Crash when running WebKit legacy layout tests on device

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205888

            Bug ID: 205888
           Summary: [iOS] Crash when running WebKit legacy layout tests on
                    device
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pvollan at apple.com

Thread 0 Crashed:
0   JavaScriptCore                      0x0000000117312128 WTFCrash + 28
1   WebKitLegacy                        0x000000012bfad6ec WTF::RefCountedBase::applyRefDerefThreadingCheck() const + 168
2   WebKitLegacy                        0x000000012bfad4c0 WTF::RefCountedBase::derefBase() const + 32
3   WebKitLegacy                        0x000000012c158684 WTF::RefCounted<LayerFlushController, std::__1::default_delete<LayerFlushController> >::deref() const + 32
4   WebKitLegacy                        0x000000012c15c270 void WTF::derefIfNotNull<LayerFlushController>(LayerFlushController*) + 52
5   WebKitLegacy                        0x000000012c16256c WTF::RefPtr<LayerFlushController, WTF::DumbPtrTraits<LayerFlushController> >::~RefPtr() + 48
6   WebKitLegacy                        0x000000012c1623a8 WTF::RefPtr<LayerFlushController, WTF::DumbPtrTraits<LayerFlushController> >::~RefPtr() + 32
7   WebKitLegacy                        0x000000012c1f8078 WebViewLayerFlushScheduler::layerFlushCallback() + 136
8   WebKitLegacy                        0x000000012c1f8ef8 WebViewLayerFlushScheduler::WebViewLayerFlushScheduler(LayerFlushController*)::$_0::operator()() const + 28
9   WebKitLegacy                        0x000000012c1f8e98 WTF::Detail::CallableWrapper<WebViewLayerFlushScheduler::WebViewLayerFlushScheduler(LayerFlushController*)::$_0, void>::call() + 28
10  WebCore                             0x000000010394d2c0 WTF::Function<void ()>::operator()() const + 128
11  WebCore                             0x0000000104de9eac WebCore::RunLoopObserver::runLoopObserverFired() + 124
12  WebCore                             0x0000000104de9e24 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*) + 36
13  CoreFoundation                      0x00000001aad43210 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
14  CoreFoundation                      0x00000001aad3e104 __CFRunLoopDoObservers + 420
15  CoreFoundation                      0x00000001aad3e580 __CFRunLoopRun + 968
16  CoreFoundation                      0x00000001aad3de8c CFRunLoopRunSpecific + 424
17  DumpRenderTree                      0x000000010083ff74 runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 2600
18  DumpRenderTree                      0x000000010083f4b0 runTestingServerLoop() + 168
19  DumpRenderTree                      0x000000010083ee54 dumpRenderTree(int, char const**) + 772
20  DumpRenderTree                      0x000000010084078c -[DumpRenderTree _runDumpRenderTree] + 48
21  Foundation                          0x00000001ab1ac398 __NSThreadPerformPerform + 184
22  CoreFoundation                      0x00000001aad43dbc __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
23  CoreFoundation                      0x00000001aad43d14 __CFRunLoopDoSource0 + 80
24  CoreFoundation                      0x00000001aad434f8 __CFRunLoopDoSources0 + 276
25  CoreFoundation                      0x00000001aad3e4cc __CFRunLoopRun + 788
26  CoreFoundation                      0x00000001aad3de8c CFRunLoopRunSpecific + 424
27  GraphicsServices                    0x00000001b53a738c GSEventRunModal + 160
28  UIKitCore                           0x00000001aee4fbb4 UIApplicationMain + 1932
29  DumpRenderTree                      0x0000000100840cc8 DumpRenderTreeMain(int, char const**) + 148
30  DumpRenderTree                      0x00000001008aecdc main + 36
31  libdyld.dylib                       0x00000001aabc5810 start + 4

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