1858662 - Crash in [@ shutdownhang | js::frontend::SharedDataContainer::~SharedDataContainer]

Status: RESOLVED INCOMPLETE

(Core :: JavaScript Engine, defect, P3)

Description

[Robert Hartmann]

Crash report: https://crash-stats.mozilla.org/report/index/40a8ee51-e450-4cc4-a9b0-17bf10231012

MOZ_CRASH Reason: Shutdown hanging at step XPCOMShutdownFinal. Something is blocking the main-thread.

Top 10 frames of crashing thread:

0  xul.dll  js::frontend::SharedDataContainer::~SharedDataContainer  js/src/frontend/Stencil.cpp:3008
1  ?  @0x0000023ddec670bf  
2  xul.dll  mozilla::DefaultDelete<mozilla::ScriptPreloader::CachedStencil>::operator const  mfbt/UniquePtr.h:459
2  xul.dll  mozilla::UniquePtr<mozilla::ScriptPreloader::CachedStencil, mozilla::DefaultDelete<mozilla::ScriptPreloader::CachedStencil> >::reset  mfbt/UniquePtr.h:301
2  xul.dll  mozilla::UniquePtr<mozilla::ScriptPreloader::CachedStencil, mozilla::DefaultDelete<mozilla::ScriptPreloader::CachedStencil> >::~UniquePtr  mfbt/UniquePtr.h:249
2  xul.dll  nsBaseHashtableET<nsCStringHashKey, mozilla::UniquePtr<mozilla::ScriptPreloader::CachedStencil, mozilla::DefaultDelete<mozilla::ScriptPreloader::CachedStencil> > >::~nsBaseHashtableET  xpcom/ds/nsBaseHashtable.h:251
2  xul.dll  nsTHashtable<nsBaseHashtableET<nsCStringHashKey, mozilla::UniquePtr<mozilla::ScriptPreloader::CachedStencil, mozilla::DefaultDelete<mozilla::ScriptPreloader::CachedStencil> > > >::s_ClearEntry  xpcom/ds/nsTHashtable.h:720
3  xul.dll  PLDHashTable::~PLDHashTable::<lambda_1>::operator const  xpcom/ds/PLDHashTable.cpp:295
3  xul.dll  PLDHashTable::EntryStore::ForEachSlot  xpcom/ds/PLDHashTable.h:359
3  xul.dll  PLDHashTable::EntryStore::ForEachSlot  xpcom/ds/PLDHashTable.h:349

sadly I cannot give any information after which situation the crash happens.
Perhaps it was a crash of an instance which main window was closed, or it was a background process...

Comment 1

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

The bug has a crash signature, thus the bug will be considered confirmed.

Comment 2

[Robert Hartmann]

Just to mentione:
crashreporter window for crash report https://crash-stats.mozilla.org/report/index/40a8ee51-e450-4cc4-a9b0-17bf10231012 covered by bug 1858662
occure at same time as
crashreporter window for crash report https://crash-stats.mozilla.org/report/index/62eb3e9b-6a8a-4e44-a553-1361d0231011 covered by bug 1858665

Comment 3

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

The Bugbug bot thinks this bug should belong to the 'Core::JavaScript Engine' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.