1663595 - Crash in [@ js::ObjectWrapperMap::sweep]

Status: RESOLVED WORKSFORME

(Core :: JavaScript: GC, defect, P5)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

This hit Nightly 82.0a1 three times last week (on 3 different devices) - this is the same like the highest level we saw for a release version in the last 3 months.

Crash report: https://crash-stats.mozilla.org/report/index/e39fe4b3-6f7c-41e5-88af-b005a0200902

Top 10 frames of crashing thread:

0 xul.dll js::ObjectWrapperMap::sweep js/src/vm/Compartment.h:243
1 xul.dll JS::Zone::sweepAllCrossCompartmentWrappers js/src/gc/Zone.cpp:341
2 xul.dll js::gc::GCRuntime::sweepCCWrappers js/src/gc/GC.cpp:5068
3 xul.dll js::GCParallelTask::runTask js/src/gc/GCParallelTask.cpp:146
4 xul.dll js::GCParallelTask::runFromHelperThread js/src/gc/GCParallelTask.cpp:131
5 xul.dll js::HelperThread::handleGCParallelWorkload js/src/vm/HelperThreads.cpp:1690
6 xul.dll static js::HelperThread::ThreadMain js/src/vm/HelperThreads.cpp:2017
7 xul.dll static js::detail::ThreadTrampoline<void  js/src/threading/Thread.h:206
8 ucrtbase.dll thread_start<unsigned int , 1> 
9 kernel32.dll BaseThreadInitThunk 

Comment 1

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

Duplicate of bug 1582214?

Comment 2

[Jon Coppeard (:jonco)]

Low volume crash during sweeping. Nothing actionable in the crash reports.

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

Closing because no crashes reported for 12 weeks.

Comment 4

[BugBot (nomail) [:suhaib / :marco/ :calixte]]

Since the bug is closed, the stalled keyword is now meaningless.
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