This bug was filed from the Socorro interface and is report bp-16b5bf4a-c26f-46f6-899c-cad4a2161012. ============================================================= 0 libxul.so mozilla::dom::AutoJSAPI::Init js/public/GCAPI.h:638 1 libxul.so mozilla::dom::Promise::CreateWrapper dom/promise/Promise.cpp:675 2 libxul.so mozilla::dom::Promise::Create dom/promise/Promise.cpp:533 3 libxul.so mozilla::dom::FontFace::FontFace layout/style/FontFace.cpp:120 4 libxul.so mozilla::dom::FontFace::CreateForRule layout/style/FontFace.cpp:163 5 libxul.so mozilla::dom::FontFaceSet::UpdateRules layout/style/FontFaceSet.cpp:718 6 libxul.so nsIDocument::FlushUserFontSet dom/base/nsDocument.cpp:12783 7 libxul.so nsIDocument::GetUserFontSet dom/base/nsDocument.cpp:12741 8 libxul.so nsLayoutUtils::GetFontMetricsForFrame layout/base/nsPresContext.cpp:2062 9 libxul.so mozilla::ScrollFrameHelper::GetLineScrollAmount layout/base/nsLayoutUtils.h:1267 10 libxul.so nsHTMLScrollFrame::GetLineScrollAmount layout/generic/nsGfxScrollFrame.h:811 11 libxul.so nsLayoutUtils::ComputeScrollMetadata layout/base/nsLayoutUtils.cpp:8904 12 libxul.so mozilla::ScrollFrameHelper::ComputeScrollMetadata layout/generic/nsGfxScrollFrame.cpp:3776 13 libxul.so nsHTMLScrollFrame::ComputeScrollMetadata layout/generic/nsGfxScrollFrame.h:924 14 libxul.so mozilla::ContainerState::SetupScrollingMetadata layout/base/FrameLayerBuilder.cpp:4791 15 libxul.so mozilla::ContainerState::PostprocessRetainedLayers layout/base/FrameLayerBuilder.cpp:4846 16 libxul.so mozilla::ContainerState::Finish layout/base/FrameLayerBuilder.cpp:4927 17 libxul.so mozilla::FrameLayerBuilder::BuildContainerLayerFor layout/base/FrameLayerBuilder.cpp:5330 18 libxul.so nsDisplayList::PaintRoot layout/base/nsDisplayList.cpp:1816 19 libxul.so nsLayoutUtils::PaintFrame layout/base/nsLayoutUtils.cpp:3638 20 libxul.so PresShell::Paint layout/base/nsPresShell.cpp:6362 21 libxul.so mozilla::dom::TabChild::RecvSetDocShellIsActive dom/ipc/TabChild.cpp:2712 22 libxul.so mozilla::dom::TabChild::ForcePaint dom/ipc/TabChild.cpp:3397 23 libxul.so InterruptCallback dom/ipc/ProcessHangMonitor.cpp:312 24 libxul.so InvokeInterruptCallback js/src/vm/Runtime.cpp:539 25 @0x7fc9bcbd6d1f 26 @0x7fc9bcbd3887 27 libxul.so EnterBaseline js/src/jit/BaselineJIT.cpp:155 28 libxul.so js::jit::EnterBaselineMethod js/src/jit/BaselineJIT.cpp:193 29 libxul.so js::RunScript js/src/vm/Interpreter.cpp:394 30 libxul.so js::Call js/src/vm/Interpreter.cpp:476 31 libxul.so JS::Call js/src/jsapi.cpp:2825 32 libxul.so mozilla::dom::Function::Call obj-firefox/dom/bindings/FunctionBinding.cpp:37 33 libxul.so nsGlobalWindow::RunTimeoutHandler obj-firefox/dist/include/mozilla/dom/FunctionBinding.h:70 34 libxul.so nsGlobalWindow::RunTimeout dom/base/nsGlobalWindow.cpp:12551 35 libxul.so nsGlobalWindow::TimerCallback dom/base/nsGlobalWindow.cpp:12797 36 libxul.so nsTimerImpl::Fire xpcom/threads/nsTimerImpl.cpp:480 37 libxul.so nsTimerEvent::Run xpcom/threads/TimerThread.cpp:289 38 libxul.so nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1082 39 libxul.so NS_ProcessNextEvent xpcom/glue/nsThreadUtils.cpp:290 40 libxul.so mozilla::ipc::MessagePump::Run ipc/glue/MessagePump.cpp:96 41 libxul.so MessageLoop::Run ipc/chromium/src/base/message_loop.cc:232 42 libxul.so nsBaseAppShell::Run widget/nsBaseAppShell.cpp:156 43 libxul.so XRE_RunAppShell toolkit/xre/nsEmbedFunctions.cpp:869 44 libxul.so MessageLoop::Run ipc/chromium/src/base/message_loop.cc:232 45 libxul.so XRE_InitChildProcess toolkit/xre/nsEmbedFunctions.cpp:701 46 plugin-container content_process_main ipc/contentproc/plugin-container.cpp:197 Ø 47 libc-2.23.so libc-2.23.so@0x20730 48 plugin-container plugin-container@0xdfaf 49 plugin-container malloc_good_size memory/build/replace_malloc.c:243 50 @0x7ffebc526d1f 51 plugin-container pthread_atfork Ø 52 ld-2.23.so ld-2.23.so@0x1019f Ø 53 ld-2.23.so ld-2.23.so@0xfe9a 54 plugin-container malloc_good_size memory/build/replace_malloc.c:243 55 @0x7ffebc526d1f 56 plugin-container _start I was trying to open a periscope link from an embedded tweet on the huf.po

22 libxul.so mozilla::dom::TabChild::ForcePaint dom/ipc/TabChild.cpp:3397 23 libxul.so InterruptCallback dom/ipc/ProcessHangMonitor.cpp:312 24 libxul.so InvokeInterruptCallback js/src/vm/Runtime.cpp:539 I think this means we're in the painting interrupt code. Bill?

Crash appears to be on 52.

I got this crash today on 52.0a1 (2016-10-13) [e10s enabled] when I was duplicating tabs and moving them around in tab bar. https://crash-stats.mozilla.com/report/index/df608846-3b77-44e3-b6ee-5e8ad2161013