[Webkit-unassigned] [Bug 209024] New: [ Mac wk2 Debug ] webgpu/whlsl/vector-compare.html is flaky crashing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209024

            Bug ID: 209024
           Summary: [ Mac wk2 Debug ] webgpu/whlsl/vector-compare.html is
                    flaky crashing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGPU
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

Created attachment 393426

  --> https://bugs.webkit.org/attachment.cgi?id=393426&action=review

vector-compare-crash-log

webgpu/whlsl/vector-compare.html

Description:
This test is flaky crashing on Mac wk2 Debug. The flaky crashing is present through nearly all of the visible history.

History:
https://results.webkit.org/?suite=layout-tests&test=webgpu%2Fwhlsl%2Fvector-compare.html&recent=false&style=debug&limit=50000

Crash log attached:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x00000002f1e1341e WTFCrash + 14 (Assertions.cpp:305)
1   com.apple.WebCore                   0x00000002d517347b WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.WebCore                   0x00000002d51867a8 WTF::RefCountedBase::hasOneRef() const + 104 (RefCounted.h:55)
3   com.apple.WebCore                   0x00000002d69d56af WebCore::GPUBindGroupAllocator::tryReset() + 31 (GPUBindGroupAllocatorMetal.mm:156)
4   com.apple.WebCore                   0x00000002d69d865b WebCore::GPUBindGroup::~GPUBindGroup() + 75 (GPUBindGroupMetal.mm:244)
5   com.apple.WebCore                   0x00000002d69d87f5 WebCore::GPUBindGroup::~GPUBindGroup() + 21 (GPUBindGroupMetal.mm:245)
6   com.apple.WebCore                   0x00000002d660003b std::__1::default_delete<WebCore::GPUBindGroup>::operator()(WebCore::GPUBindGroup*) const + 43 (memory:2339)
7   com.apple.WebCore                   0x00000002d65ffffc WTF::RefCounted<WebCore::GPUBindGroup, std::__1::default_delete<WebCore::GPUBindGroup> >::deref() const + 60 (RefCounted.h:191)
8   com.apple.WebCore                   0x00000002d65fff81 void WTF::derefIfNotNull<WebCore::GPUBindGroup>(WebCore::GPUBindGroup*) + 49 (RefPtr.h:45)
9   com.apple.WebCore                   0x00000002d65fff49 WTF::RefPtr<WebCore::GPUBindGroup, WTF::DumbPtrTraits<WebCore::GPUBindGroup> >::~RefPtr() + 41 (RefPtr.h:70)
10  com.apple.WebCore                   0x00000002d65ffef5 WTF::RefPtr<WebCore::GPUBindGroup, WTF::DumbPtrTraits<WebCore::GPUBindGroup> >::~RefPtr() + 21 (RefPtr.h:70)
11  com.apple.WebCore                   0x00000002d65ffec3 WebCore::WebGPUBindGroup::~WebGPUBindGroup() + 35 (WebGPUBindGroup.h:36)
12  com.apple.WebCore                   0x00000002d65ffe75 WebCore::WebGPUBindGroup::~WebGPUBindGroup() + 21 (WebGPUBindGroup.h:36)

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