Bug 195431 – REGRESSION: [macOS WK1] Flaky legacy-animation-engine test crashes in WebCore::CanvasBase::notifyObserversCanvasDestroyed()

• Status: RESOLVED
• Resolution: CONFIGURATION CHANGED
• Component: Tools / Tests

[WebKit Commit Bot]

This is an automatically generated bug from the commit-queue.
legacy-animation-engine/fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html has been flaky on the commit-queue.

legacy-animation-engine/fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html was authored by [e-mail] and [e-mail].
https://trac.webkit.org/browser/trunk/LayoutTests/legacy-animation-engine/fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html

The commit-queue just saw legacy-animation-engine/fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html flake (DumpRenderTree crashed) while processing attachment 363912 [details] on bug 195214.
Bot: webkit-cq-02  Port: <class 'webkitpy.common.config.ports.MacPort'>  Platform: Mac OS X 10.13.6

The bots will update this with information from each new failure.

If you believe this bug to be fixed or invalid, feel free to close.  The bots will re-open if the flake re-occurs.

If you would like to track this test fix with another bug, please close this bug as a duplicate.  The bots will follow the duplicate chain when making future comments.

[WebKit Commit Bot]

Created attachment 363919 [details]
Archive of layout-test-results from webkit-cq-02

[Ryan Haddad]

Application Specific Information:
CRASHING TEST: legacy-animation-engine/fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore             	0x000000010a2f1f6a WebCore::CanvasBase::notifyObserversCanvasDestroyed() + 106 (CanvasBase.cpp:87)
1   com.apple.WebCore             	0x000000010a31b97e WebCore::HTMLCanvasElement::~HTMLCanvasElement() + 46 (memory:2595)
2   com.apple.WebCore             	0x000000010a31baff WebCore::HTMLCanvasElement::~HTMLCanvasElement() + 15
3   com.apple.JavaScriptCore      	0x00000001067eebcd void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, 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&) + 173 (JSDestructibleObjectHeapCellType.cpp:37)
4   com.apple.JavaScriptCore      	0x00000001067ed5c0 void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'()::operator()() const + 384
5   com.apple.JavaScriptCore      	0x00000001067ecf63 void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&) + 307 (MarkedBlockInlines.h:435)
6   com.apple.JavaScriptCore      	0x00000001067ece2a JSC::JSDestructibleObjectHeapCellType::finishSweep(JSC::MarkedBlock::Handle&, JSC::FreeList*) + 26 (JSDestructibleObjectHeapCellType.cpp:53)
7   com.apple.JavaScriptCore      	0x0000000106452a94 JSC::MarkedBlock::Handle::sweep(JSC::FreeList*) + 308

[Ryan Haddad]

*** Bug 195545 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 195621 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 195617 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 195596 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 195699 has been marked as a duplicate of this bug. ***

[Radar WebKit Bug Importer]

<rdar://problem/48870803>

[Radar WebKit Bug Importer]

<rdar://problem/48870842>

[Antoine Quint]

Do we have an identified regression point?

[Ryan Haddad]

(In reply to Antoine Quint from comment #10)
> Do we have an identified regression point?
No, I have not yet identified one.

[Antoine Quint]

This test is gone as of r258150, see bug 208815.