772652 - Shutdown crash [@ nsObserverList::FillObserverArray ]

Status: RESOLVED WORKSFORME

(Core :: XPCOM, defect)

Description

[Honza Bambas (:mayhemer)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/c07ade928cc0

https://tbpl.mozilla.org/php/getParsedLog.php?id=13400243&tree=Mozilla-Inbound#error0

Thread 0 (crashed)
 0  0x0
    rbx = 0x0541c348   r12 = 0x2aaba358   r13 = 0x2aaba000   r14 = 0x0541c3d8
    r15 = 0x5fbfe420   rip = 0x00000000   rsp = 0x5fbfe368   rbp = 0x5fbfe410
    Found by: given as instruction pointer in context
 1  XUL!nsObserverList::FillObserverArray [mozilla-inbound::c07ade928cc0 : 853 + 0x5]
    rip = 0x020ad594   rsp = 0x5fbfe370
    Found by: stack scanning
 2  XUL!nsTHashtable<nsObserverList>::s_MatchEntry [mozilla-inbound:h:c07ade928cc0 : 420 + 0xb]
    rip = 0x020adff0   rsp = 0x5fbfe3d0
    Found by: stack scanning
 3  XUL!PL_DHashTableOperate [pldhash.cpp : 400 + 0x2b]
    rip = 0x02099d83   rsp = 0x5fbfe3e0
    Found by: stack scanning
 4  XUL!nsObserverList::NotifyObservers [nsObserverList.cpp : 96 + 0xa]
    rip = 0x020ad8a4   rsp = 0x5fbfe420
    Found by: stack scanning
 5  XUL!nsThreadManager::GetIsMainThread [nsThreadManager.cpp : 272 + 0x4]
    rip = 0x020dac5b   rsp = 0x5fbfe430
    Found by: stack scanning
 6  XUL!nsObserverService::NotifyObservers [nsObserverService.cpp : 149 + 0x10]
    rip = 0x020addb1   rsp = 0x5fbfe470
    Found by: stack scanning
 7  XUL!mozilla::ShutdownXPCOM [nsXPComInit.cpp : 583 + 0x12]
    rip = 0x0209dd7d   rsp = 0x5fbfe4a0
    Found by: stack scanning
 8  XUL!nsXREDirProvider::DoShutdown [mozilla-inbound::c07ade928cc0 : 408 + 0x5]
    rip = 0x0100d6bb   rsp = 0x5fbfe4d0
    Found by: stack scanning
 9  XUL!ScopedXPCOMStartup::~ScopedXPCOMStartup [nsAppRunner.cpp : 1105 + 0x7]
    rip = 0x01005827   rsp = 0x5fbfe530
    Found by: stack scanning
10  XUL!XREMain::XRE_main [nsAppRunner.cpp : 1108 + 0x7]
    rip = 0x0100bc07   rsp = 0x5fbfe570
    Found by: stack scanning

Comment 1

[Andrei Purice]

Following the reporter's steps I am able to confirm that the issues doesn't happen anymore on MacOS 10.15 on any of the current versions of Firefox Nightly 87.0a1 (2021-02-11), beta 86.0b9 and release 85.0.2. No crashes encountered during the tests.

Closing this issue as Resolved > Worksforme.
Feel free to re-open or file a new bug if this issue reoccurs again.