1388246 - Assertion failure: origContainer == prevChild->Parent() in [@ mozilla::a11y::DocAccessible::PutChildrenBack]

Status: NEW

(Core :: Disability Access APIs, defect, P2)

Description

[Tyson Smith [:tsmith]]

Attachment: test_case.html

Assertion failure: origContainer == prevChild->Parent() (Broken tree), at src/accessible/generic/DocAccessible.cpp:2214

#0 0x7f1211de0791 in mozilla::a11y::DocAccessible::PutChildrenBack(nsTArray<RefPtr<mozilla::a11y::Accessible> >*, unsigned int) src/accessible/generic/DocAccessible.cpp:2182:3
#1 0x7f1211ddf3a1 in mozilla::a11y::DocAccessible::DoARIAOwnsRelocation(mozilla::a11y::Accessible*) src/accessible/generic/DocAccessible.cpp:2172:3
#2 0x7f1211d86ad2 in mozilla::a11y::NotificationController::WillRefresh(mozilla::TimeStamp) src/accessible/base/NotificationController.cpp:811:18
#3 0x7f120f6987fe in nsRefreshDriver::Tick(long, mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:1856:12
#4 0x7f120f6a1cae in mozilla::RefreshDriverTimer::TickRefreshDrivers(long, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver> >&) src/layout/base/nsRefreshDriver.cpp:300:7
#5 0x7f120f6a1a7d in mozilla::RefreshDriverTimer::Tick(long, mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:321:5
#6 0x7f120f6a5085 in mozilla::VsyncRefreshDriverTimer::RunRefreshDrivers(mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:763:5
#7 0x7f120f6a4126 in mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver(mozilla::TimeStamp) src/layout/base/nsRefreshDriver.cpp:676:35
#8 0x7f120f6a0057 in mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::ParentProcessVsyncNotifier::Run() src/layout/base/nsRefreshDriver.cpp:522:20
#9 0x7f1209e494b0 in nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1446:14
#10 0x7f1209e4f0f0 in NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:480:10
#11 0x7f120a9b0e25 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:97:21
#12 0x7f120a9036e7 in MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:326:10
#13 0x7f120a903579 in MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:299:3
#14 0x7f120f19659a in nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:156:27
#15 0x7f121234c841 in nsAppStartup::Run() src/toolkit/components/startup/nsAppStartup.cpp:287:30
#16 0x7f12124ade92 in XREMain::XRE_mainRun() src/toolkit/xre/nsAppRunner.cpp:4608:22
#17 0x7f12124afada in XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) src/toolkit/xre/nsAppRunner.cpp:4772:8
#18 0x7f12124b09c8 in XRE_main(int, char**, mozilla::BootstrapConfig const&) src/toolkit/xre/nsAppRunner.cpp:4867:21
#19 0x4ecb38 in do_main(int, char**, char**) src/browser/app/nsBrowserApp.cpp:236:22
#20 0x4ec450 in main src/browser/app/nsBrowserApp.cpp:309:16
#21 0x7f12288b682f in __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291
#22 0x41e184 in _start (firefox+0x41e184)

Comment 1

[Emma Humphries ☕️🎸🧞‍♀️✨ (she/they) [:emceeaich] (Pacific Time) use needinfo]

This is a P1 bug without an assignee. 

P1 are bugs which are being worked on for the current release cycle/iteration/sprint. 

If the bug is not assigned by Monday, 28 August, the bug's priority will be reset to '--'.

Comment 2

[Firefox Bug Husbandry Bot]

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