[Webkit-unassigned] [Bug 215037] New: Crash in rx::RendererGL::getRendererDescription()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=215037

            Bug ID: 215037
           Summary: Crash in rx::RendererGL::getRendererDescription()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dino at apple.com
                CC: dino at apple.com

Seen on iOS builds.

Thread 7 name:  WebThread
Thread 7 Crashed ↩:
0   libsystem_platform.dylib            0x00000001a6d257c4 _platform_strlen + 4
1   WebCore                             0x00000001b1eddd78 std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::basic_string<std::nullptr_t>(char const*) + 48 (__string:217)
2   WebCore                             0x00000001b2058180 rx::RendererGL::getRendererDescription() const + 76 (RendererGL.cpp:263)
3   WebCore                             0x00000001b1ef4a74 gl::Context::initRendererString() + 224 (Context.cpp:2847)
4   WebCore                             0x00000001b1ef47bc gl::Context::makeCurrent(egl::Display*, egl::Surface*, egl::Surface*) + 92 (Context.cpp:611)
5   WebCore                             0x00000001b1f3c3d4 egl::Display::makeCurrent(egl::Thread const*, egl::Surface*, egl::Surface*, gl::Context*) + 204 (Display.cpp:1114)
6   WebCore                             0x00000001b1f46454 EGL_MakeCurrent + 212 (entry_points_egl.cpp:449)
7   WebCore                             0x00000001b0979a4c WebCore::GraphicsContextGLOpenGL::GraphicsContextGLOpenGL(WebCore::GraphicsContextGLAttributes, WebCore::HostWindow*, WebCore::GraphicsContextGL::Destination, WebCore::GraphicsContextGLOpenGL*) + 1756 (GraphicsContextGLOpenGLCocoa.mm:382)
8   WebCore                             0x00000001b09790a8 WebCore::GraphicsContextGLOpenGL::create(WebCore::GraphicsContextGLAttributes, WebCore::HostWindow*, WebCore::GraphicsContextGL::Destination) + 168 (GraphicsContextGLOpenGLCocoa.mm:188)
9   WebCore                             0x00000001b136f698 WebCore::WebGLRenderingContextBase::create(WebCore::CanvasBase&, WebCore::GraphicsContextGLAttributes&, WTF::String const&) + 1156 (WebGLRenderingContextBase.cpp:704)
10  WebCore                             0x00000001b1212edc WebCore::HTMLCanvasElement::getContext(JSC::JSGlobalObject&, WTF::String const&, WTF::Vector<JSC::Strong<JSC::Unknown, (JSC::ShouldStrongDestructorGrabLock)0>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&) + 896 (HTMLCanvasElement.cpp:438)
11  WebCore                             0x00000001b0345e5c WebCore::jsHTMLCanvasElementPrototypeFunctionGetContext(JSC::JSGlobalObject*, JSC::CallFrame*) + 508 (JSHTMLCanvasElement.cpp:313)

So this is a UIWebView (using WebKit1).

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