[Webkit-unassigned] [Bug 213375] New: REGRESSION: (Mac wk2 Debug) webaudio/biquad-bandpass.html is flaky crashing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=213375

            Bug ID: 213375
           Summary: REGRESSION: (Mac wk2 Debug)
                    webaudio/biquad-bandpass.html is flaky crashing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

webaudio/biquad-bandpass.html

Description:
This test is flaky crashing on Mac wk2 Debug. The flaky crashes are apparent throughout most of, if not all of, the visual history (earliest on 11/20/2019).

History:
https://results.webkit.org/?suite=layout-tests&test=webaudio%2Fbiquad-bandpass.html&flavor=wk2&platform=mac&style=debug&limit=50000

Crash log:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x0000000130c5041e WTFCrash + 14 (Assertions.cpp:295)
1   com.apple.WebCore                   0x0000000112ff83ab WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.WebCore                   0x0000000115086a4e WebCore::WebKitAudioContext::~WebKitAudioContext() + 654 (WebKitAudioContext.cpp:209)
3   com.apple.WebCore                   0x00000001150958c8 WebCore::WebKitOfflineAudioContext::~WebKitOfflineAudioContext() + 24 (WebKitOfflineAudioContext.h:31)
4   com.apple.WebCore                   0x00000001150956f5 WebCore::WebKitOfflineAudioContext::~WebKitOfflineAudioContext() + 21 (WebKitOfflineAudioContext.h:31)
5   com.apple.WebCore                   0x000000011509571c WebCore::WebKitOfflineAudioContext::~WebKitOfflineAudioContext() + 28 (WebKitOfflineAudioContext.h:31)
6   com.apple.WebCore                   0x00000001135e19c4 WTF::ThreadSafeRefCounted<WebCore::AudioContext, (WTF::DestructionThread)0>::deref() const::'lambda'()::operator()() const + 52 (ThreadSafeRefCounted.h:118)
7   com.apple.WebCore                   0x00000001135e197d WTF::ThreadSafeRefCounted<WebCore::AudioContext, (WTF::DestructionThread)0>::deref() const + 61 (ThreadSafeRefCounted.h:136)
8   com.apple.WebCore                   0x000000011476cc75 WTF::Ref<WebCore::WebKitAudioContext, WTF::DumbPtrTraits<WebCore::WebKitAudioContext> >::~Ref() + 53 (Ref.h:62)
9   com.apple.WebCore                   0x00000001146ed1a5 WTF::Ref<WebCore::WebKitAudioContext, WTF::DumbPtrTraits<WebCore::WebKitAudioContext> >::~Ref() + 21 (Ref.h:62)
10  com.apple.WebCore                   0x000000011508747c WebCore::WebKitAudioContext::deleteMarkedNodes() + 428 (WebKitAudioContext.cpp:985)
11  com.apple.WebCore                   0x0000000114ff8d68 WebCore::AudioNode::deref(WebCore::AudioNode::RefType) + 456 (AudioNode.cpp:532)
12  com.apple.WebCore                   0x0000000114fe3b27 WebCore::AudioNode::derefEventTarget() + 23 (AudioNode.h:238)
13  com.apple.WebCore                   0x000000011355c7fc WebCore::EventTarget::deref() + 28 (EventTarget.h:60)
14  com.apple.WebCore                   0x000000011355c7af WTF::Ref<WebCore::EventTarget, WTF::DumbPtrTraits<WebCore::EventTarget> >::~Ref() + 47 (Ref.h:62)
15  com.apple.WebCore                   0x000000011355c715 WTF::Ref<WebCore::EventTarget, WTF::DumbPtrTraits<WebCore::EventTarget> >::~Ref() + 21 (Ref.h:62)
16  com.apple.WebCore                   0x0000000113a2cdfe WebCore::JSDOMWrapper<WebCore::EventTarget>::~JSDOMWrapper() + 30 (JSDOMWrapper.h:72)
17  com.apple.WebCore                   0x0000000113a2cdd8 WebCore::JSEventTarget::~JSEventTarget() + 24 (JSEventTarget.h:30)
18  com.apple.WebCore                   0x00000001139dec75 WebCore::JSEventTarget::~JSEventTarget() + 21 (JSEventTarget.h:30)
19  com.apple.WebCore                   0x000000011399ad2d WebCore::JSEventTarget::destroy(JSC::JSCell*) + 29 (JSEventTarget.cpp:263)
20  com.apple.JavaScriptCore            0x000000013251cf1a JSC::JSDestructibleObjectDestroyFunc::operator()(JSC::VM&, JSC::JSCell*) const + 42 (JSDestructibleObjectHeapCellType.cpp:39)
21  com.apple.JavaScriptCore            0x000000013252b258 void JSC::MarkedBlock::Handle::specializedSweep<false, (JSC::MarkedBlock::Handle::EmptyMode)0, (JSC::MarkedBlock::Handle::SweepMode)0, (JSC::MarkedBlock::Handle::SweepDestructionMode)0, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)0, (JSC::MarkedBlock::Handle::MarksMode)0, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'(void*)::operator()(void*) const + 72 (MarkedBlockInlines.h:261)

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20200619/889bbde1/attachment-0001.htm>