[Webkit-unassigned] [Bug 164715] REGRESSION: LayouTest fast/mediastream/enumerating-crash.html is a flaky crash
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Nov 14 10:55:08 PST 2016
https://bugs.webkit.org/show_bug.cgi?id=164715
--- Comment #1 from Ryan Haddad <ryanhaddad at apple.com> ---
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x000000010adcd4f7 WTFCrash + 39 (Assertions.cpp:323)
1 com.apple.JavaScriptCore 0x000000010adcd519 WTFCrashWithSecurityImplication + 9
2 com.apple.WebKit 0x00000001067a8ecf WTF::match_constness<WebCore::ScriptExecutionContext, WebCore::Document>::type* WTF::downcast<WebCore::Document, WebCore::ScriptExecutionContext>(WebCore::ScriptExecutionContext*) + 79 (TypeCasts.h:89)
3 com.apple.WebKit 0x00000001067a826d WebCore::UserMediaRequest::document() const + 29 (UserMediaRequest.h:74)
4 com.apple.WebKit 0x00000001067a77c8 WebKit::UserMediaPermissionRequestManager::removeMediaRequestFromMaps(WebCore::UserMediaRequest&) + 56 (UserMediaPermissionRequestManager.cpp:126)
5 com.apple.WebKit 0x00000001067a777b WebKit::UserMediaPermissionRequestManager::cancelUserMediaRequest(WebCore::UserMediaRequest&) + 107 (UserMediaPermissionRequestManager.cpp:108)
6 com.apple.WebKit 0x0000000106cefe39 WebKit::WebUserMediaClient::cancelUserMediaAccessRequest(WebCore::UserMediaRequest&) + 41 (WebUserMediaClient.cpp:51)
7 com.apple.WebCore 0x000000010fe366a3 WebCore::UserMediaController::cancelUserMediaAccessRequest(WebCore::UserMediaRequest&) + 51 (UserMediaController.h:64)
8 com.apple.WebCore 0x000000010fe34386 WebCore::UserMediaRequest::contextDestroyed() + 70 (UserMediaRequest.cpp:235)
9 com.apple.WebCore 0x000000010f864450 WebCore::ScriptExecutionContext::~ScriptExecutionContext() + 144 (ScriptExecutionContext.cpp:127)
10 com.apple.WebCore 0x000000010db1ace0 WebCore::Document::~Document() + 8320 (Document.cpp:656)
11 com.apple.WebCore 0x000000010e074395 WebCore::HTMLDocument::~HTMLDocument() + 117 (HTMLDocument.cpp:93)
12 com.apple.WebCore 0x000000010e0743b5 WebCore::HTMLDocument::~HTMLDocument() + 21 (HTMLDocument.cpp:93)
13 com.apple.WebCore 0x000000010e074439 WebCore::HTMLDocument::~HTMLDocument() + 25 (HTMLDocument.cpp:92)
14 com.apple.WebCore 0x000000010db3d31d WebCore::Document::decrementReferencingNodeCount() + 189 (Document.h:324)
15 com.apple.WebCore 0x000000010f2721c1 WebCore::Node::~Node() + 737 (Node.cpp:310)
16 com.apple.WebCore 0x000000010d75ea49 WebCore::ContainerNode::~ContainerNode() + 105 (ContainerNode.cpp:156)
17 com.apple.WebCore 0x000000010dca876f WebCore::Element::~Element() + 495 (Element.cpp:203)
18 com.apple.WebCore 0x000000010facf7c7 WebCore::StyledElement::~StyledElement() + 87 (StyledElement.cpp:139)
19 com.apple.WebCore 0x000000010d583c35 WebCore::HTMLElement::~HTMLElement() + 21 (HTMLElement.h:38)
20 com.apple.WebCore 0x000000010e169265 WebCore::HTMLSpanElement::~HTMLSpanElement() + 21 (HTMLSpanElement.h:32)
21 com.apple.WebCore 0x000000010e1691c5 WebCore::HTMLSpanElement::~HTMLSpanElement() + 21 (HTMLSpanElement.h:32)
22 com.apple.WebCore 0x000000010e1691e9 WebCore::HTMLSpanElement::~HTMLSpanElement() + 25 (HTMLSpanElement.h:32)
23 com.apple.WebCore 0x000000010f27b94d WebCore::Node::removedLastRef() + 93 (Node.cpp:2327)
24 com.apple.WebCore 0x000000010d3fa8ae WebCore::Node::deref() + 382 (Node.h:724)
25 com.apple.WebCore 0x000000010f2747f5 WebCore::Node::derefEventTarget() + 21 (Node.cpp:750)
26 com.apple.WebCore 0x000000010db794d6 WebCore::EventTarget::deref() + 22 (EventTarget.h:65)
27 com.apple.WebCore 0x000000010dc444bd WTF::Ref<WebCore::EventTarget>::~Ref() + 45 (Ref.h:60)
28 com.apple.WebCore 0x000000010dc36805 WTF::Ref<WebCore::EventTarget>::~Ref() + 21 (Ref.h:60)
29 com.apple.WebCore 0x000000010e803dcc WebCore::JSDOMWrapper<WebCore::EventTarget>::~JSDOMWrapper() + 28 (JSDOMWrapper.h:76)
30 com.apple.WebCore 0x000000010e803da5 WebCore::JSEventTarget::~JSEventTarget() + 21 (JSEventTarget.h:30)
31 com.apple.WebCore 0x000000010e8037f5 WebCore::JSEventTarget::~JSEventTarget() + 21 (JSEventTarget.h:30)
32 com.apple.WebCore 0x000000010e801cbd WebCore::JSEventTarget::destroy(JSC::JSCell*) + 29 (JSEventTarget.cpp:197)
33 com.apple.JavaScriptCore 0x0000000109bbc12b JSC::JSCell::callDestructor(JSC::VM&) + 203 (JSCellInlines.h:291)
34 com.apple.JavaScriptCore 0x000000010a985942 JSC::FreeList JSC::MarkedBlock::Handle::specializedSweep<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)0, (JSC::DestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)1, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1>() + 306 (MarkedBlock.cpp:126)
35 com.apple.JavaScriptCore 0x000000010a984fe3 JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectMarksMode<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)0, (JSC::DestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)1, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1>() + 83 (MarkedBlock.cpp:230)
36 com.apple.JavaScriptCore 0x000000010a98431e JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectSweepMode<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::DestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)1, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1>(JSC::MarkedBlock::Handle::SweepMode) + 78 (MarkedBlock.cpp:222)
37 com.apple.JavaScriptCore 0x000000010a982cec JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectHasNewlyAllocated<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::DestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)1>(JSC::MarkedBlock::Handle::SweepMode) + 92 (MarkedBlock.cpp:214)
38 com.apple.JavaScriptCore 0x000000010a982ba3 JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectEmptyMode<(JSC::DestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)1>(JSC::MarkedBlock::Handle::SweepMode) + 99 (MarkedBlock.cpp:206)
39 com.apple.JavaScriptCore 0x000000010a9822b4 JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectScribbleMode<(JSC::DestructionMode)1>(JSC::MarkedBlock::Handle::SweepMode) + 68 (MarkedBlock.cpp:189)
40 com.apple.JavaScriptCore 0x000000010a9810d5 JSC::MarkedBlock::Handle::sweep(JSC::MarkedBlock::Handle::SweepMode) + 341 (MarkedBlock.cpp:181)
41 com.apple.JavaScriptCore 0x000000010a5ebeeb JSC::IncrementalSweeper::sweepNextBlock() + 187 (IncrementalSweeper.cpp:87)
42 com.apple.JavaScriptCore 0x000000010a5ebdd2 JSC::IncrementalSweeper::doSweep(double) + 34 (IncrementalSweeper.cpp:60)
43 com.apple.JavaScriptCore 0x000000010a5ebda2 JSC::IncrementalSweeper::doWork() + 34 (IncrementalSweeper.cpp:56)
44 com.apple.JavaScriptCore 0x000000010a5e81e7 JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*) + 183 (HeapTimer.cpp:93)
45 com.apple.CoreFoundation 0x00007fff8997fb94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
46 com.apple.CoreFoundation 0x00007fff8997f823 __CFRunLoopDoTimer + 1075
47 com.apple.CoreFoundation 0x00007fff8997f37a __CFRunLoopDoTimers + 298
48 com.apple.CoreFoundation 0x00007fff89976871 __CFRunLoopRun + 1841
49 com.apple.CoreFoundation 0x00007fff89975ed8 CFRunLoopRunSpecific + 296
50 com.apple.HIToolbox 0x00007fff8b2be935 RunCurrentEventLoopInMode + 235
51 com.apple.HIToolbox 0x00007fff8b2be76f ReceiveNextEventCommon + 432
52 com.apple.HIToolbox 0x00007fff8b2be5af _BlockUntilNextEventMatchingListInModeWithFilter + 71
53 com.apple.AppKit 0x00007fff90186df6 _DPSNextEvent + 1067
54 com.apple.AppKit 0x00007fff90186226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
55 com.apple.AppKit 0x00007fff9017ad80 -[NSApplication run] + 682
56 com.apple.AppKit 0x00007fff90144368 NSApplicationMain + 1176
57 libxpc.dylib 0x00007fff94c0c194 _xpc_objc_main + 795
58 libxpc.dylib 0x00007fff94c0abbe xpc_main + 494
59 com.apple.WebKit.WebContent 0x0000000106260080 main + 800
60 libdyld.dylib 0x00007fff824d65ad start + 1
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