Reduced with m-c: BuildID=20180529095249 SourceStamp=f01bb6245db1ea2a87e5360104a4110571265137 Assertion failure: aCoord.IsCoordPercentCalcUnit(), at src/layout/base/nsLayoutUtils.h:1492 #0 nsLayoutUtils::ComputeBSizeValue(int, int, nsStyleCoord const&) src/layout/base/nsLayoutUtils.h:1492:5 #1 mozilla::SizeComputationInput::ComputeBSizeValue(int, mozilla::StyleBoxSizing, nsStyleCoord const&) const src/layout/generic/ReflowInput.cpp:290:10 #2 mozilla::ReflowInput::InitConstraints(nsPresContext*, mozilla::LogicalSize const&, nsMargin const*, nsMargin const*, mozilla::LayoutFrameType) src/layout/generic/ReflowInput.cpp:2371:27 #3 mozilla::ReflowInput::Init(nsPresContext*, mozilla::LogicalSize const*, nsMargin const*, nsMargin const*) src/layout/generic/ReflowInput.cpp:414:3 #4 nsTableRowGroupFrame::InitChildReflowInput(nsPresContext&, bool, mozilla::ReflowInput&) src/layout/tables/nsTableRowGroupFrame.cpp:325:16 #5 nsTableRowGroupFrame::ReflowChildren(nsPresContext*, mozilla::ReflowOutput&, mozilla::TableRowGroupReflowInput&, nsReflowStatus&, bool*) src/layout/tables/nsTableRowGroupFrame.cpp:409:7 #6 nsTableRowGroupFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/tables/nsTableRowGroupFrame.cpp:1383:3 #7 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:951:14 #8 nsTableFrame::ReflowChildren(mozilla::TableReflowInput&, nsReflowStatus&, nsIFrame*&, nsOverflowAreas&) src/layout/tables/nsTableFrame.cpp:3381:7 #9 nsTableFrame::ReflowTable(mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, nsIFrame*&, nsReflowStatus&) src/layout/tables/nsTableFrame.cpp:2326:3 #10 nsTableFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/tables/nsTableFrame.cpp:2111:5 #11 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:951:14 #12 nsTableWrapperFrame::OuterDoReflowChild(nsPresContext*, nsIFrame*, mozilla::ReflowInput const&, mozilla::ReflowOutput&, nsReflowStatus&) src/layout/tables/nsTableWrapperFrame.cpp:840:3 #13 nsTableWrapperFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/tables/nsTableWrapperFrame.cpp:998:3 #14 nsBlockReflowContext::ReflowBlock(mozilla::LogicalRect const&, bool, nsCollapsingMargin&, int, bool, nsLineBox*, mozilla::ReflowInput&, nsReflowStatus&, mozilla::BlockReflowInput&) src/layout/generic/nsBlockReflowContext.cpp:306:11 #15 nsBlockFrame::ReflowBlockFrame(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:3463:11 #16 nsBlockFrame::ReflowLine(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:2813:5 #17 nsBlockFrame::ReflowDirtyLines(mozilla::BlockReflowInput&) src/layout/generic/nsBlockFrame.cpp:2352:7 #18 nsBlockFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsBlockFrame.cpp:1225:3 #19 nsBlockReflowContext::ReflowBlock(mozilla::LogicalRect const&, bool, nsCollapsingMargin&, int, bool, nsLineBox*, mozilla::ReflowInput&, nsReflowStatus&, mozilla::BlockReflowInput&) src/layout/generic/nsBlockReflowContext.cpp:306:11 #20 nsBlockFrame::ReflowBlockFrame(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:3463:11 #21 nsBlockFrame::ReflowLine(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:2813:5 #22 nsBlockFrame::ReflowDirtyLines(mozilla::BlockReflowInput&) src/layout/generic/nsBlockFrame.cpp:2352:7 #23 nsBlockFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsBlockFrame.cpp:1225:3 #24 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:951:14 #25 nsCanvasFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsCanvasFrame.cpp:713:5 #26 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:951:14 #27 nsHTMLScrollFrame::ReflowScrolledFrame(mozilla::ScrollReflowInput*, bool, bool, mozilla::ReflowOutput*, bool) src/layout/generic/nsGfxScrollFrame.cpp:555:3 #28 nsHTMLScrollFrame::ReflowContents(mozilla::ScrollReflowInput*, mozilla::ReflowOutput const&) src/layout/generic/nsGfxScrollFrame.cpp:678:3 #29 nsHTMLScrollFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsGfxScrollFrame.cpp:1055:3 #30 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:995:14 #31 mozilla::ViewportFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/ViewportFrame.cpp:335:7 #32 mozilla::PresShell::DoReflow(nsIFrame*, bool) src/layout/base/PresShell.cpp:8946:11 #33 mozilla::PresShell::ProcessReflowCommands(bool) src/layout/base/PresShell.cpp:9119:24 #34 mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) src/layout/base/PresShell.cpp:4336:11 #35 nsRefreshDriver::Tick(long, mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:1923:16 #36 mozilla::RefreshDriverTimer::TickRefreshDrivers(long, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver> >&) src/layout/base/nsRefreshDriver.cpp:301:7 #37 mozilla::RefreshDriverTimer::Tick(long, mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:320:5 #38 mozilla::VsyncRefreshDriverTimer::RunRefreshDrivers(mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:760:5 #39 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver(mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:673:35 #40 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::NotifyVsync(mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:574:9 #41 mozilla::layout::VsyncChild::RecvNotify(mozilla::TimeStamp const&) src/layout/ipc/VsyncChild.cpp:68:16 #42 mozilla::layout::PVsyncChild::OnMessageReceived(IPC::Message const&) src/obj-firefox/ipc/ipdl/PVsyncChild.cpp:167:20 #43 mozilla::ipc::PBackgroundChild::OnMessageReceived(IPC::Message const&) src/obj-firefox/ipc/ipdl/PBackgroundChild.cpp:1988:28 #44 mozilla::ipc::MessageChannel::DispatchAsyncMessage(IPC::Message const&) src/ipc/glue/MessageChannel.cpp:2136:25 #45 mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) src/ipc/glue/MessageChannel.cpp:2066:17 #46 mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&) src/ipc/glue/MessageChannel.cpp:1912:5 #47 mozilla::ipc::MessageChannel::MessageTask::Run() src/ipc/glue/MessageChannel.cpp:1945:15 #48 nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1088:14 #49 NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:519:10 #50 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:97:21 #51 MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:326:10 #52 MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:299:3 #53 nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:157:27 #54 XRE_RunAppShell() src/toolkit/xre/nsEmbedFunctions.cpp:893:22 #55 mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:269:9 #56 MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:326:10 #57 MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:299:3 #58 XRE_InitChildProcess(int, char**, XREChildData const*) src/toolkit/xre/nsEmbedFunctions.cpp:719:34 #59 content_process_main(mozilla::Bootstrap*, int, char**) src/browser/app/../../ipc/contentproc/plugin-container.cpp:50:30 #60 main src/browser/app/nsBrowserApp.cpp:282:18 #61 __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:291 #62 _start (firefox+0x423434)

While this is clearly a bug, we'll end up calling nsStyleCoord::ComputeCoordPercentCalc and end up in the 'default:' case which returns 0 which is safe.