167559 2017-01-29 01:42:11 -0800 [Threaded Compositor] Crash on WebCore::GLContext::version() 2017-01-29 21:57:08 -0800 1 1 1 Unclassified WebKit WebKit2 WebKit Local Build Unspecified Unspecified RESOLVED FIXED Gtk P2 Normal --- 1 cgarcia webkit-unassigned bugs-noreply oldest_to_newest 1271106 0 cgarcia 2017-01-29 01:42:11 -0800 This is happening because TextureMapperPlatformLayerProxy::compositorThreadUpdateTimerFired() is fired after the threaded compositor is deleted. CoordinatedGraphicsScene::purgeGLResources() should invalidate the proxies before clearing the map, and TextureMapperPlatformLayerProxy::invalidate( should delete the timer. Thread 1 (Thread 0x7f1169316700 (LWP 11064)): #0 0x00007f1207af67e0 in WebCore::GLContext::version() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #1 0x00007f1207afa074 in WebCore::GraphicsContext3D::getExtensions() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #2 0x00007f1207b0dba7 in WebCore::GraphicsContext3D::validateDepthStencil(char const*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #3 0x00007f1207af9adf in WebCore::GraphicsContext3D::GraphicsContext3D(WebCore::GraphicsContext3DAttributes, WebCore::HostWindow*, WebCore::GraphicsContext3D::RenderStyle) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #4 0x00007f1207af9fcc in WebCore::GraphicsContext3D::create(WebCore::GraphicsContext3DAttributes, WebCore::HostWindow*, WebCore::GraphicsContext3D::RenderStyle) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #5 0x00007f1207a86d9b in WebCore::MediaPlayerPrivateGStreamerBase::pushTextureToCompositor() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #6 0x00007f1207ad4e80 in WebCore::TextureMapperPlatformLayerProxy::compositorThreadUpdateTimerFired() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37 #7 0x00007f12047bb85a in WTF::RunLoop::TimerBase::TimerBase(WTF::RunLoop&)::{lambda(void*)#1}::_FUN(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18 #8 0x00007f12000e5ecd in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.44.1/glib/gmain.c:3122 #9 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.44.1/glib/gmain.c:3737 #10 0x00007f12000e6268 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.44.1/glib/gmain.c:3808 #11 0x00007f12000e6582 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.44.1/glib/gmain.c:4002 #12 0x00007f12047bbc00 in WTF::RunLoop::run() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18 #13 0x00007f12047baa63 in std::_Function_handler<void (), WTF::WorkQueue::platformInitialize(char const*, WTF::WorkQueue::Type, WTF::WorkQueue::QOS)::{lambda()#1}>::_M_invoke(std::_Any_data const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18 #14 0x00007f1204784345 in WTF::threadEntryPoint(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18 #15 0x00007f12047b90ba in WTF::wtfThreadEntryPoint(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18 #16 0x00007f12019300a4 in start_thread (arg=0x7f1169316700) at pthread_create.c:309 #17 0x00007f11fdc1e87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 1271108 1 300063 cgarcia 2017-01-29 01:45:04 -0800 Created attachment 300063 Patch 1271115 2 300065 cgarcia 2017-01-29 03:29:22 -0800 Created attachment 300065 Patch 1271185 3 cgarcia 2017-01-29 21:57:08 -0800 Committed r211357: <http://trac.webkit.org/changeset/211357> 300063 2017-01-29 01:45:04 -0800 2017-01-29 03:29:22 -0800 Patch wk2-media-crap-crash.diff text/plain 3010 cgarcia ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZwppbmRleCAxOWNiM2IzNTk0Ny4uNzg1ZWY2ZTViMDAgMTAwNjQ0Ci0tLSBhL1NvdXJj 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