Filed by: sstanca [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=399441352&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XyxJTr-LSK-OPsGsZJnJKQ/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XyxJTr-LSK-OPsGsZJnJKQ/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - addBlocker@resource://gre/modules/AsyncShutdown.jsm:523:26
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - addBlocker@resource://gre/modules/AsyncShutdown.jsm:462:15
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - setupShutdown@resource://gre/modules/osfile/osfile_async_front.jsm:1548:28
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - @resource://gre/modules/osfile/osfile_async_front.jsm:1568:16
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - @resource://gre/modules/osfile.jsm:12:30
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - @resource://gre/modules/TelemetryStorage.jsm:19:28
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - getShutdownState@resource://gre/modules/TelemetrySend.jsm:1692:7
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - getShutdownState@resource://gre/modules/TelemetrySend.jsm:374:30
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - _getState@resource://gre/modules/TelemetryControllerParent.jsm:1058:38
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - setupTelemetry/<@resource://gre/modules/TelemetryControllerParent.jsm:917:18
[task 2022-12-13T07:55:53.776Z] 07:55:53     INFO - safeGetState@resource://gre/modules/AsyncShutdown.jsm:254:17
[task 2022-12-13T07:55:53.777Z] 07:55:53     INFO - Barrier/_internalAddBlocker/promise<@resource://gre/modules/AsyncShutdown.jsm:773:20
[task 2022-12-13T07:55:53.777Z] 07:55:53     INFO - observe@resource://gre/modules/AsyncShutdown.jsm:572:16
[task 2022-12-13T07:55:53.778Z] 07:55:53     INFO - WARNING: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.782Z] 07:55:53     INFO - WARNING: addBlocker@resource://gre/modules/AsyncShutdown.jsm:718:15
[task 2022-12-13T07:55:53.782Z] 07:55:53     INFO - addBlocker@resource://gre/modules/AsyncShutdown.jsm:523:26
[task 2022-12-13T07:55:53.783Z] 07:55:53     INFO - addBlocker@resource://gre/modules/AsyncShutdown.jsm:462:15
[task 2022-12-13T07:55:53.784Z] 07:55:53     INFO - setupShutdown@resource://gre/modules/osfile/osfile_async_front.jsm:1548:28
[task 2022-12-13T07:55:53.784Z] 07:55:53     INFO - @resource://gre/modules/osfile/osfile_async_front.jsm:1568:16
[task 2022-12-13T07:55:53.785Z] 07:55:53     INFO - @resource://gre/modules/osfile.jsm:12:30
[task 2022-12-13T07:55:53.786Z] 07:55:53     INFO - @resource://gre/modules/TelemetryStorage.jsm:19:28
[task 2022-12-13T07:55:53.787Z] 07:55:53     INFO - removeAbortedSessionPing@resource://gre/modules/TelemetryControllerParent.jsm:721:5
[task 2022-12-13T07:55:53.789Z] 07:55:53     INFO - removeAbortedSessionPing@resource://gre/modules/TelemetryControllerParent.jsm:249:17
[task 2022-12-13T07:55:53.790Z] 07:55:53     INFO - shutdownChromeProcess/cleanup/<@resource://gre/modules/TelemetrySession.jsm:1235:42
[task 2022-12-13T07:55:53.791Z] 07:55:53     INFO - observe@resource://gre/modules/AsyncShutdown.jsm:572:16
[task 2022-12-13T07:55:53.797Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.798Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.800Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.801Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.803Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.805Z] 07:55:53     INFO - JavaScript error: resource://gre/modules/AsyncShutdown.jsm, line 718: Error: Phase "profile-before-change" is finished, it is too late to register completion condition "OS.File: flush I/O queued before profileBeforeChange"
[task 2022-12-13T07:55:53.913Z] 07:55:53     INFO - AddressSanitizer:DEADLYSIGNAL
[task 2022-12-13T07:55:53.915Z] 07:55:53     INFO - =================================================================
[task 2022-12-13T07:55:53.916Z] 07:55:53    ERROR - ==14518==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f3a217497b6 bp 0x7f3962574340 sp 0x7f3962574320 T83)
[task 2022-12-13T07:55:53.916Z] 07:55:53     INFO - ==14518==The signal is caused by a READ memory access.
[task 2022-12-13T07:55:53.917Z] 07:55:53     INFO - ==14518==Hint: address points to the zero page.
[task 2022-12-13T07:55:55.051Z] 07:55:55     INFO -     #0 0x7f3a217497b6 in mozilla::nsAvailableMemoryWatcher::StartPolling(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:248:13
[task 2022-12-13T07:55:55.052Z] 07:55:55     INFO -     #1 0x7f3a2174ab96 in mozilla::nsAvailableMemoryWatcher::MaybeHandleHighMemory() /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:229:3
[task 2022-12-13T07:55:55.053Z] 07:55:55     INFO -     #2 0x7f3a217835a4 in operator() /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:184:17
[task 2022-12-13T07:55:55.055Z] 07:55:55     INFO -     #3 0x7f3a217835a4 in mozilla::detail::RunnableFunction<mozilla::nsAvailableMemoryWatcher::Notify(nsITimer*)::$_1>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:546:5
[task 2022-12-13T07:55:55.055Z] 07:55:55     INFO -     #4 0x7f3a2198d5f2 in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1198:16
[task 2022-12-13T07:55:55.057Z] 07:55:55     INFO -     #5 0x7f3a21997564 in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:474:10
[task 2022-12-13T07:55:55.060Z] 07:55:55     INFO -     #6 0x7f3a22f74719 in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:330:5
[task 2022-12-13T07:55:55.060Z] 07:55:55     INFO -     #7 0x7f3a22e14287 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:381:10
[task 2022-12-13T07:55:55.061Z] 07:55:55     INFO -     #8 0x7f3a22e14287 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:374:3
[task 2022-12-13T07:55:55.061Z] 07:55:55     INFO -     #9 0x7f3a22e14287 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:356:3
[task 2022-12-13T07:55:55.062Z] 07:55:55     INFO -     #10 0x7f3a21984ed3 in nsThread::ThreadFunc(void*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:383:10
[task 2022-12-13T07:55:55.063Z] 07:55:55     INFO -     #11 0x7f3a4a361fe8 in _pt_root /builds/worker/checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:201:5
[task 2022-12-13T07:55:55.064Z] 07:55:55     INFO -     #12 0x7f3a4a08c6da in start_thread /tmp/glibc/nptl/pthread_create.c:463
[task 2022-12-13T07:55:55.065Z] 07:55:55     INFO -     #13 0x7f3a48e4fa3e in __clone /tmp/glibc/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
[task 2022-12-13T07:55:55.067Z] 07:55:55     INFO - AddressSanitizer can not provide additional info.
[task 2022-12-13T07:55:55.068Z] 07:55:55     INFO - SUMMARY: AddressSanitizer: SEGV /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:248:13 in mozilla::nsAvailableMemoryWatcher::StartPolling(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&)
[task 2022-12-13T07:55:55.069Z] 07:55:55     INFO - Thread T83 (MemoryPoller) created by T0 here:
[task 2022-12-13T07:55:55.262Z] 07:55:55     INFO -     #0 0x55bc2b2d464c in __interceptor_pthread_create /builds/worker/fetches/llvm-project/compiler-rt/lib/asan/asan_interceptors.cpp:208:3
[task 2022-12-13T07:55:55.263Z] 07:55:55     INFO -     #1 0x7f3a4a3520b9 in _PR_CreateThread /builds/worker/checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:458:14
[task 2022-12-13T07:55:55.264Z] 07:55:55     INFO -     #2 0x7f3a4a34352e in PR_CreateThread /builds/worker/checkouts/gecko/nsprpub/pr/src/pthreads/ptthread.c:533:12
[task 2022-12-13T07:55:55.267Z] 07:55:55     INFO -     #3 0x7f3a219883db in nsThread::Init(nsTSubstring<char> const&) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:617:18
[task 2022-12-13T07:55:55.267Z] 07:55:55     INFO -     #4 0x7f3a2199523e in nsThreadManager::NewNamedThread(nsTSubstring<char> const&, unsigned int, nsIThread**) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadManager.cpp:539:12
[task 2022-12-13T07:55:55.273Z] 07:55:55     INFO -     #5 0x7f3a219a16fa in NS_NewNamedThread(nsTSubstring<char> const&, nsIThread**, already_AddRefed<nsIRunnable>, unsigned int) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:170:57
[task 2022-12-13T07:55:55.273Z] 07:55:55     INFO -     #6 0x7f3a2174949b in NS_NewNamedThread<13UL> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:85:10
[task 2022-12-13T07:55:55.274Z] 07:55:55     INFO -     #7 0x7f3a2174949b in mozilla::nsAvailableMemoryWatcher::Init() /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:84:8
[task 2022-12-13T07:55:55.275Z] 07:55:55     INFO -     #8 0x7f3a21747d73 in mozilla::CreateAvailableMemoryWatcher() /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcherLinux.cpp:104:7
[task 2022-12-13T07:55:55.275Z] 07:55:55     INFO -     #9 0x7f3a21747af2 in mozilla::nsAvailableMemoryWatcherBase::GetSingleton() /builds/worker/checkouts/gecko/xpcom/base/AvailableMemoryWatcher.cpp:49:18
[task 2022-12-13T07:55:55.279Z] 07:55:55     INFO -     #10 0x7f3a218edc4b in mozilla::xpcom::CreateInstanceImpl(mozilla::xpcom::ModuleID, nsID const&, void**) /builds/worker/workspace/obj-build/xpcom/components/StaticComponents.cpp:10540:60
[task 2022-12-13T07:55:55.279Z] 07:55:55     INFO -     #11 0x7f3a21933927 in CreateInstance /builds/worker/checkouts/gecko/xpcom/components/nsComponentManager.cpp:184:46
[task 2022-12-13T07:55:55.280Z] 07:55:55     INFO -     #12 0x7f3a21933927 in nsComponentManagerImpl::GetServiceLocked(mozilla::Maybe<mozilla::detail::BaseMonitorAutoLock<mozilla::Monitor>>&, (anonymous namespace)::EntryWrapper&, nsID const&, void**) /builds/worker/checkouts/gecko/xpcom/components/nsComponentManager.cpp:975:17
[task 2022-12-13T07:55:55.281Z] 07:55:55     INFO -     #13 0x7f3a21935727 in nsComponentManagerImpl::GetServiceByContractID(char const*, nsID const&, void**) /builds/worker/checkouts/gecko/xpcom/components/nsComponentManager.cpp:1164:10
[task 2022-12-13T07:55:55.281Z] 07:55:55     INFO -     #14 0x7f3a2322c137 in xpc::CIGSHelper(JSContext*, unsigned int, JS::Value*, bool) /builds/worker/checkouts/gecko/js/xpconnect/src/XPCJSID.cpp:585:10
[task 2022-12-13T07:55:55.282Z] 07:55:55     INFO -     #15 0x7f3a300396ff in CallJSNative /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:459:13
[task 2022-12-13T07:55:55.283Z] 07:55:55     INFO -     #16 0x7f3a300396ff in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:547:12
[task 2022-12-13T07:55:55.284Z] 07:55:55     INFO -     #17 0x7f3a300287fa in InternalCall /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:614:10
[task 2022-12-13T07:55:55.284Z] 07:55:55     INFO -     #18 0x7f3a300287fa in CallFromStack /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:619:10
[task 2022-12-13T07:55:55.285Z] 07:55:55     INFO -     #19 0x7f3a300287fa in Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:3379:16
[task 2022-12-13T07:55:55.285Z] 07:55:55     INFO -     #20 0x7f3a3000c8ac in js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:431:13
[task 2022-12-13T07:55:55.286Z] 07:55:55     INFO -     #21 0x7f3a3003982a in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:579:13

Now that we process the remaining events, we can find mTimer to be nullptr and need to check for it.

Set release status flags based on info from the regressing bug 1805147

https://hg.mozilla.org/mozilla-central/rev/cdb06a8b51ea

(In reply to Intermittent Failures Robot from comment #7)

1 failures in 3643 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-release: 1

Platform and build breakdown:

• linux1804-64-asan-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1805368&startday=2023-02-20&endday=2023-02-26&tree=all

This instance seems totally unrelated. If ever, it points to bug 751336 ?