1414100 - Assertion failure: cmp != 0 (same content, different frames) [@ nsGenConList::NodeAfter]

Status: RESOLVED FIXED

(Core :: Layout, defect)

Description

[Tyson Smith [:tsmith]]

Attachment: test_case.html

Assertion failure: cmp != 0 (same content, different frames), at /src/layout/base/nsGenConList.cpp:105

#0 nsGenConList::NodeAfter(nsGenConNode const*, nsGenConNode const*) /src/layout/base/nsGenConList.cpp:105:3
#1 nsGenConList::Insert(nsGenConNode*) /src/layout/base/nsGenConList.cpp:113:26
#2 nsQuoteNode::InitTextFrame(nsGenConList*, nsIFrame*, nsIFrame*) /src/layout/base/nsQuoteList.cpp:21:14
#3 nsCSSFrameConstructor::ConstructTextFrame(nsCSSFrameConstructor::FrameConstructionData const*, nsFrameConstructorState&, nsIContent*, nsContainerFrame*, nsStyleContext*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:3612:31
#4 nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:6381:5
#5 nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:11035:5
#6 nsCSSFrameConstructor::ConstructInline(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:12533:3
#7 nsCSSFrameConstructor::ConstructFrameFromItemInternal(nsCSSFrameConstructor::FrameConstructionItem&, nsFrameConstructorState&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:4022:7
#8 nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:6410:3
#9 nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:11035:5
#10 nsCSSFrameConstructor::ConstructInline(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:12533:3
#11 nsCSSFrameConstructor::ConstructFrameFromItemInternal(nsCSSFrameConstructor::FrameConstructionItem&, nsFrameConstructorState&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:4022:7
#12 nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:6410:3
#13 nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:11035:5
#14 nsCSSFrameConstructor::ProcessChildren(nsFrameConstructorState&, nsIContent*, nsStyleContext*, nsContainerFrame*, bool, nsFrameItems&, bool, PendingBinding*, nsIFrame*) /src/layout/base/nsCSSFrameConstructor.cpp:11349:3
#15 nsCSSFrameConstructor::ConstructBlock(nsFrameConstructorState&, nsIContent*, nsContainerFrame*, nsContainerFrame*, nsStyleContext*, nsContainerFrame**, nsFrameItems&, nsIFrame*, PendingBinding*) /src/layout/base/nsCSSFrameConstructor.cpp:12433:3
#16 nsCSSFrameConstructor::ConstructNonScrollableBlockWithConstructor(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&, nsBlockFrame* (*)(nsIPresShell*, nsStyleContext*)) /src/layout/base/nsCSSFrameConstructor.cpp:5111:3
#17 nsCSSFrameConstructor::ConstructNonScrollableBlock(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:5075:10
#18 nsCSSFrameConstructor::ConstructFrameFromItemInternal(nsCSSFrameConstructor::FrameConstructionItem&, nsFrameConstructorState&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:4022:7
#19 nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:6410:3
#20 nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:11035:5
#21 nsCSSFrameConstructor::ConstructInline(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:12533:3
#22 nsCSSFrameConstructor::ConstructFrameFromItemInternal(nsCSSFrameConstructor::FrameConstructionItem&, nsFrameConstructorState&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:4022:7
#23 nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:6410:3
#24 nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /src/layout/base/nsCSSFrameConstructor.cpp:11035:5
#25 nsCSSFrameConstructor::ContentRangeInserted(nsIContent*, nsIContent*, nsIContent*, nsILayoutHistoryState*, nsCSSFrameConstructor::InsertionKind, TreeMatchContext*) /src/layout/base/nsCSSFrameConstructor.cpp:8411:3
#26 nsCSSFrameConstructor::RecreateFramesForContent(nsIContent*, nsCSSFrameConstructor::InsertionKind) /src/layout/base/nsCSSFrameConstructor.cpp:10071:9
#27 mozilla::RestyleManager::ProcessRestyledFrames(nsStyleChangeList&) /src/layout/base/RestyleManager.cpp:1513:25
#28 mozilla::ServoRestyleManager::DoProcessPendingRestyles(mozilla::ServoTraversalFlags) /src/layout/base/ServoRestyleManager.cpp:1159:9
#29 mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) /src/layout/base/PresShell.cpp:4186:41
#30 nsRefreshDriver::Tick(long, mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:1882:18
#31 mozilla::RefreshDriverTimer::TickRefreshDrivers(long, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver> >&) /src/layout/base/nsRefreshDriver.cpp:306:7
#32 mozilla::RefreshDriverTimer::Tick(long, mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:327:5
#33 mozilla::VsyncRefreshDriverTimer::RunRefreshDrivers(mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:769:5
#34 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver(mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:682:35
#35 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::ParentProcessVsyncNotifier::Run() /src/layout/base/nsRefreshDriver.cpp:528:20
#36 nsThread::ProcessNextEvent(bool, bool*) /src/xpcom/threads/nsThread.cpp:1037:14
#37 NS_ProcessNextEvent(nsIThread*, bool) /src/xpcom/threads/nsThreadUtils.cpp:513:10
#38 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /src/ipc/glue/MessagePump.cpp:97:21
#39 MessageLoop::RunInternal() /src/ipc/chromium/src/base/message_loop.cc:326:10
#40 MessageLoop::Run() /src/ipc/chromium/src/base/message_loop.cc:299:3
#41 nsBaseAppShell::Run() /src/widget/nsBaseAppShell.cpp:158:27
#42 nsAppStartup::Run() /src/toolkit/components/startup/nsAppStartup.cpp:288:30
#43 XREMain::XRE_mainRun() /src/toolkit/xre/nsAppRunner.cpp:4675:22
#44 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4837:8
#45 XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4932:21
#46 do_main(int, char**, char**) /src/browser/app/nsBrowserApp.cpp:231:22
#47 main /src/browser/app/nsBrowserApp.cpp:304:16
#48 __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291
#49 _start (firefox+0x41ebe4)

Comment 1

[Tyson Smith [:tsmith]]

Attachment: prefs.js

Comment 2

[Emilio Cobos Álvarez [:emilio]]

I think this is a legit webcomponents issue. That function compares DOM tree position, but shadow DOM makes that not correspond to frame tree position...

Comment 3

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Move_fix-optionals

Comment 4

[Olli Pettay [:smaug][[e-mail]]]

Is this still an issue now that bug 1414303 got fixed?

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/6e3d5fb7ebb3
Crashtest. r=emilio

Comment 6

[Emilio Cobos Álvarez [:emilio]]

No, it's not.

Comment 7

[Dorel Luca [:dluca]]

https://hg.mozilla.org/mozilla-central/rev/6e3d5fb7ebb3