1461835 - Assertion failure: !kidStatus.IsInlineBreakBefore() (ShouldAvoidBreakInside should prevent this from happening), at src/layout/generic/nsAbsoluteContainingBlock.cpp:171

Status: NEW

(Core :: Layout: Positioned, defect, P2)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

Found in m-c:
BuildID=20180515095353
SourceStamp=cf3ee14023483cbbb57129479537c713e22c1980

Assertion failure: !kidStatus.IsInlineBreakBefore() (ShouldAvoidBreakInside should prevent this from happening), at src/layout/generic/nsAbsoluteContainingBlock.cpp:171

#0 nsAbsoluteContainingBlock::Reflow(nsContainerFrame*, nsPresContext*, mozilla::ReflowInput const&, nsReflowStatus&, nsRect const&, nsAbsoluteContainingBlock::AbsPosReflowFlags, nsOverflowAreas*) src/layout/generic/nsAbsoluteContainingBlock.cpp:170:7
#1 nsBlockFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsBlockFrame.cpp:1440:26
#2 nsBlockReflowContext::ReflowBlock(mozilla::LogicalRect const&, bool, nsCollapsingMargin&, int, bool, nsLineBox*, mozilla::ReflowInput&, nsReflowStatus&, mozilla::BlockReflowInput&) src/layout/generic/nsBlockReflowContext.cpp:306:11
#3 nsBlockFrame::ReflowBlockFrame(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:3463:11
#4 nsBlockFrame::ReflowLine(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:2813:5
#5 nsBlockFrame::ReflowDirtyLines(mozilla::BlockReflowInput&) src/layout/generic/nsBlockFrame.cpp:2352:7
#6 nsBlockFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsBlockFrame.cpp:1225:3
#7 nsBlockReflowContext::ReflowBlock(mozilla::LogicalRect const&, bool, nsCollapsingMargin&, int, bool, nsLineBox*, mozilla::ReflowInput&, nsReflowStatus&, mozilla::BlockReflowInput&) src/layout/generic/nsBlockReflowContext.cpp:306:11
#8 nsBlockFrame::ReflowBlockFrame(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:3463:11
#9 nsBlockFrame::ReflowLine(mozilla::BlockReflowInput&, nsLineList_iterator, bool*) src/layout/generic/nsBlockFrame.cpp:2813:5
#10 nsBlockFrame::ReflowDirtyLines(mozilla::BlockReflowInput&) src/layout/generic/nsBlockFrame.cpp:2352:7
#11 nsBlockFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsBlockFrame.cpp:1225:3
#12 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
#13 nsColumnSetFrame::ReflowChildren(mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&, nsColumnSetFrame::ReflowConfig const&, bool, nsCollapsingMargin*, nsColumnSetFrame::ColumnBalanceData&) src/layout/generic/nsColumnSetFrame.cpp:766:7
#14 nsColumnSetFrame::ReflowColumns(mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&, nsColumnSetFrame::ReflowConfig&, bool, nsCollapsingMargin*, nsColumnSetFrame::ColumnBalanceData&) src/layout/generic/nsColumnSetFrame.cpp:463:19
#15 nsColumnSetFrame::FindBestBalanceBSize(mozilla::ReflowInput const&, nsPresContext*, nsColumnSetFrame::ReflowConfig&, nsColumnSetFrame::ColumnBalanceData&, mozilla::ReflowOutput&, nsCollapsingMargin&, bool&, bool&, nsReflowStatus&) src/layout/generic/nsColumnSetFrame.cpp:1102:16
#16 nsColumnSetFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsColumnSetFrame.cpp:1209:5
#17 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
#18 nsCanvasFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsCanvasFrame.cpp:713:5
#19 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
#20 nsHTMLScrollFrame::ReflowScrolledFrame(mozilla::ScrollReflowInput*, bool, bool, mozilla::ReflowOutput*, bool) src/layout/generic/nsGfxScrollFrame.cpp:555:3
#21 nsHTMLScrollFrame::ReflowContents(mozilla::ScrollReflowInput*, mozilla::ReflowOutput const&) src/layout/generic/nsGfxScrollFrame.cpp:678:3
#22 nsHTMLScrollFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/nsGfxScrollFrame.cpp:1055:3
#23 nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, unsigned int, nsReflowStatus&, nsOverflowContinuationTracker*) src/layout/generic/nsContainerFrame.cpp:995:14
#24 mozilla::ViewportFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) src/layout/generic/ViewportFrame.cpp:335:7
#25 mozilla::PresShell::DoReflow(nsIFrame*, bool) src/layout/base/PresShell.cpp:8980:11
#26 mozilla::PresShell::ProcessReflowCommands(bool) src/layout/base/PresShell.cpp:9153:24
#27 mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) src/layout/base/PresShell.cpp:4365:11
#28 mozilla::PresShell::DoFlushPendingNotifications(mozilla::FlushType) src/layout/base/PresShell.cpp:4158:3
#29 nsDocumentViewer::LoadComplete(nsresult) src/layout/base/nsDocumentViewer.cpp:979:12
#30 nsDocShell::EndPageLoad(nsIWebProgress*, nsIChannel*, nsresult) src/docshell/base/nsDocShell.cpp:7171:21
#31 nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) src/docshell/base/nsDocShell.cpp:6964:7
#32 non-virtual thunk to nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) src/docshell/base/nsDocShell.cpp
#33 nsDocLoader::DoFireOnStateChange(nsIWebProgress*, nsIRequest*, int&, nsresult) src/uriloader/base/nsDocLoader.cpp:1313:3
#34 nsDocLoader::doStopDocumentLoad(nsIRequest*, nsresult) src/uriloader/base/nsDocLoader.cpp:856:14
#35 nsDocLoader::DocLoaderIsEmpty(bool) src/uriloader/base/nsDocLoader.cpp:745:9
#36 nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) src/uriloader/base/nsDocLoader.cpp:631:5
#37 non-virtual thunk to nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) src/uriloader/base/nsDocLoader.cpp
#38 mozilla::net::nsLoadGroup::RemoveRequest(nsIRequest*, nsISupports*, nsresult) src/netwerk/base/nsLoadGroup.cpp:629:28
#39 nsIDocument::DoUnblockOnload() src/dom/base/nsDocument.cpp:8348:18
#40 nsDocument::UnblockOnload(bool) src/dom/base/nsDocument.cpp:8270:9
#41 nsIDocument::DispatchContentLoadedEvents() src/dom/base/nsDocument.cpp:5251:3
#42 mozilla::detail::RunnableMethodImpl<nsIDocument*, void (nsIDocument::*)(), true, (mozilla::RunnableKind)0>::Run() src/obj-firefox/dist/include/nsThreadUtils.h:1216:13
#43 mozilla::SchedulerGroup::Runnable::Run() src/xpcom/threads/SchedulerGroup.cpp:337:32
#44 nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1090:14
#45 NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:519:10
#46 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:97:21
#47 MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:326:10
#48 MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:299:3
#49 nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:157:27
#50 XRE_RunAppShell() src/toolkit/xre/nsEmbedFunctions.cpp:893:22
#51 mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:269:9
#52 MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:326:10
#53 MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:299:3
#54 XRE_InitChildProcess(int, char**, XREChildData const*) src/toolkit/xre/nsEmbedFunctions.cpp:719:34
#55 content_process_main(mozilla::Bootstrap*, int, char**) src/browser/app/../../ipc/contentproc/plugin-container.cpp:50:30
#56 main src/browser/app/nsBrowserApp.cpp:282:18
#57 __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:291
#58 _start (firefox+0x423444)

Comment 1

[Xidorn Quan [:xidorn] UTC+10]

https://searchfox.org/mozilla-central/rev/d4b9e50875ad7e5d20f2fee6a53418315f6dfcc0/layout/generic/nsAbsoluteContainingBlock.cpp#170-171

Hmm... an absolutely-positioned element is broken inside?

Comment 2

[Emilio Cobos Álvarez (:emilio)]

https://searchfox.org/mozilla-central/rev/dc6d85680539cb7e5fe2843d38a30a0581bfefe1/layout/generic/nsGridContainerFrame.cpp#5227 is the relevant line that sets the status...

Comment 3

[Tyson Smith [:tsmith]]

A Pernosco session is available here: https://pernos.co/debug/RBaCPJauOAE1A-O26tPosQ/index.html