[Webkit-unassigned] [Bug 223002] New: [Big Sur arm64] WebGL texture-copying-feedback-loops tests crashing in com.apple.AppleMetalOpenGLRenderer GLDContextRec::finishResource

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223002

            Bug ID: 223002
           Summary: [Big Sur arm64] WebGL texture-copying-feedback-loops
                    tests crashing in com.apple.AppleMetalOpenGLRenderer
                    GLDContextRec::finishResource
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

The following two WebGL tests appear to have been consistently crashing on Big Sur arm64 bots since they were brought up

webgl/1.0.3/conformance/textures/texture-copying-feedback-loops.html
webgl/2.0.0/conformance/textures/misc/texture-copying-feedback-loops.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.AppleMetalOpenGLRenderer  0x0000000157b4d114 GLDContextRec::finishResource(GLRResource*, unsigned int) + 24
1   com.apple.AppleMetalOpenGLRenderer  0x0000000157b3e07c gldReadFramebufferData + 644
2   com.apple.AppleMetalOpenGLRenderer  0x0000000157b3e07c gldReadFramebufferData + 644
3   GLEngine                            0x00000001e5fff1fc gleTextureImageCopy + 360
4   GLEngine                            0x00000001e5f19e14 glCopyTexImage2D_Exec + 832
5   libGL.dylib                         0x00000001e5ee3bb0 glCopyTexImage2D + 76
6   com.apple.WebCore                   0x000000010667df20 rx::TextureGL::copyImage(gl::Context const*, gl::ImageIndex const&, gl::Rectangle const&, unsigned int, gl::Framebuffer*) + 1212 (TextureGL.cpp:756)
7   com.apple.WebCore                   0x000000010667a70c gl::Texture::copyImage(gl::Context*, gl::TextureTarget, int, gl::Rectangle const&, unsigned int, gl::Framebuffer*) + 716 (Texture.cpp:1293)
8   com.apple.WebCore                   0x0000000106468030 gl::Context::copyTexImage2D(gl::TextureTarget, int, unsigned int, int, int, int, int, int) + 356 (Context.cpp:4078)
9   com.apple.WebCore                   0x00000001064cfaac gl::CopyTexImage2D(unsigned int, int, unsigned int, int, int, int, int, int) + 280 (entry_points_gles_2_0_autogen.cpp:655)
10  com.apple.WebCore                   0x00000001059ee76c WebCore::WebGLRenderingContextBase::copyTexImage2D(unsigned int, int, unsigned int, int, int, int, int, int) + 224 (WebGLRenderingContextBase.cpp:5667)
11  com.apple.WebCore                   0x0000000104f311b0 jsWebGLRenderingContextPrototypeFunction_copyTexImage2DBody + 292 (JSWebGLRenderingContext.cpp:5410) [inlined]
12  com.apple.WebCore                   0x0000000104f311b0 call<&WebCore::jsWebGLRenderingContextPrototypeFunction_copyTexImage2DBody, WebCore::CastedThisErrorBehavior::Throw> + 424 (JSDOMOperation.h:53) [inlined]
13  com.apple.WebCore                   0x0000000104f311b0 WebCore::jsWebGLRenderingContextPrototypeFunction_copyTexImage2D(JSC::JSGlobalObject*, JSC::CallFrame*) + 476 (JSWebGLRenderingContext.cpp:5416)
14  ???                                 0x000000011000427c 0 + 4563419772
15  com.apple.JavaScriptCore            0x000000010a2940ec llint_entry + 141052
16  com.apple.JavaScriptCore            0x000000010a271728 vmEntryToJavaScript + 264

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=webgl%2F2.0.0%2Fconformance%2Ftextures%2Fmisc%2Ftexture-copying-feedback-loops.html&test=webgl%2F1.0.3%2Fconformance%2Ftextures%2Ftexture-copying-feedback-loops.html

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