1421855 - Assertion failure: content->GetFlattenedTreeParentNodeForStyle() == &aContent, at /src/layout/base/ServoRestyleManager.cpp:1220

Status: RESOLVED WORKSFORME

(Core :: Layout, defect, P3)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

Assertion failure: content->GetFlattenedTreeParentNodeForStyle() == &aContent, at /src/layout/base/ServoRestyleManager.cpp:1220
    
#0 mozilla::VerifyFlatTree(nsIContent const&) /src/layout/base/ServoRestyleManager.cpp:1223:1
#1 mozilla::VerifyFlatTree(nsIContent const&) /src/layout/base/ServoRestyleManager.cpp:1221:5
#2 mozilla::VerifyFlatTree(nsIContent const&) /src/layout/base/ServoRestyleManager.cpp:1221:5
#3 mozilla::VerifyFlatTree(nsIContent const&) /src/layout/base/ServoRestyleManager.cpp:1221:5
#4 mozilla::ServoRestyleManager::ProcessPendingRestyles() /src/layout/base/ServoRestyleManager.cpp:1231:5
#5 mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) /src/layout/base/PresShell.cpp:4219:41
#6 nsRefreshDriver::Tick(long, mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:1872:18
#7 mozilla::RefreshDriverTimer::TickRefreshDrivers(long, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver> >&) /src/layout/base/nsRefreshDriver.cpp:306:7
#8 mozilla::RefreshDriverTimer::Tick(long, mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:327:5
#9 mozilla::VsyncRefreshDriverTimer::RunRefreshDrivers(mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:769:5
#10 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver(mozilla::TimeStamp) /src/layout/base/nsRefreshDriver.cpp:682:35
#11 mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::ParentProcessVsyncNotifier::Run() /src/layout/base/nsRefreshDriver.cpp:528:20
#12 nsThread::ProcessNextEvent(bool, bool*) /src/xpcom/threads/nsThread.cpp:1033:14
#13 NS_ProcessNextEvent(nsIThread*, bool) /src/xpcom/threads/nsThreadUtils.cpp:508:10
#14 mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /src/ipc/glue/MessagePump.cpp:97:21
#15 MessageLoop::RunInternal() /src/ipc/chromium/src/base/message_loop.cc:326:10
#16 MessageLoop::Run() /src/ipc/chromium/src/base/message_loop.cc:299:3
#17 nsBaseAppShell::Run() /src/widget/nsBaseAppShell.cpp:157:27
#18 nsAppStartup::Run() /src/toolkit/components/startup/nsAppStartup.cpp:288:30
#19 XREMain::XRE_mainRun() /src/toolkit/xre/nsAppRunner.cpp:4649:22
#20 XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4811:8
#21 XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4903:21
#22 do_main(int, char**, char**) /src/browser/app/nsBrowserApp.cpp:231:22
#23 main /src/browser/app/nsBrowserApp.cpp:304:16
#24 __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291
#25 _start (firefox+0x41f114)

Comment 1

[Tyson Smith [:tsmith]]

Attachment: prefs.js

Comment 2

[Tyson Smith [:tsmith]]

The attached test case no longer reproduces the issue and fuzzers are not reporting it.