[Webkit-unassigned] [Bug 212824] [ macOS debug ] imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212824

--- Comment #5 from Hector Lopez <hector_i_lopez at apple.com> ---
imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam.html

Test is consistently failing on macOS and iOS. Test was a flaky failure on macOS Debug when first reported. Started consistently failing on macOS debug at r265087. Test failures changed to consistent and crashes at r265403 on macOS and iOS.

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audionode-interface/audionode-disconnect-audioparam-actual.txt
@@ -1,5 +1,3 @@
-CONSOLE MESSAGE: Unhandled Promise Rejection: InvalidStateError: The object is in an invalid state.
-CONSOLE MESSAGE: Unhandled Promise Rejection: InvalidStateError: The object is in an invalid state.

 Harness Error (FAIL), message = Unhandled rejection: The object is in an invalid state.

Crash Log: See attachment
ASSERTION FAILED: m_finishedNodes.isEmpty in WebCore::BaseAudioContext::~BaseAudioContext

CoreSimulator 704.12 - Device: Managed 7 (F3E52D42-5180-4106-8AD4-A43E8DFC9A39) - Runtime: iOS 13.4 (17E255) - DeviceType: iPad (5th generation)

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x00000005edb99d8e WTFCrash + 14 (Assertions.cpp:295)
1   com.apple.WebCore                   0x00000005f53734eb WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.WebCore                   0x00000005f73d068e WebCore::BaseAudioContext::~BaseAudioContext() + 654 (BaseAudioContext.cpp:182)
3   com.apple.WebCore                   0x00000005f740f9f1 WebCore::OfflineAudioContext::~OfflineAudioContext() + 161 (OfflineAudioContext.h:33)
4   com.apple.WebCore                   0x00000005f740daf5 WebCore::OfflineAudioContext::~OfflineAudioContext() + 21 (OfflineAudioContext.h:33)
5   com.apple.WebCore                   0x00000005f740db1c WebCore::OfflineAudioContext::~OfflineAudioContext() + 28 (OfflineAudioContext.h:33)
6   com.apple.WebCore                   0x00000005f58fab34 WTF::ThreadSafeRefCounted<WebCore::BaseAudioContext, (WTF::DestructionThread)0>::deref() const::'lambda'()::operator()() const + 52 (ThreadSafeRefCounted.h:118)
7   com.apple.WebCore                   0x00000005f58faaed WTF::ThreadSafeRefCounted<WebCore::BaseAudioContext, (WTF::DestructionThread)0>::deref() const + 61 (ThreadSafeRefCounted.h:136)

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