Bug: Intermittent Assertion failure: jsapi.HasException(), at /builds/worker/checkouts/gecko/js/loader/ModuleLoaderBase.cpp:670
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-02-21 19:00:34+00:00
Resolved: 2022-06-14 17:07:42+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=368635731&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/FOWfJKa7RI2m7C-jmv0z9w/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-02-21T17:37:47.167Z] 17:37:47     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_redirect_error.js
[task 2022-02-21T17:37:47.188Z] 17:37:47     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f912a4e4c00 == 1 [pid = 7858] [id = 0]
[task 2022-02-21T17:37:47.188Z] 17:37:47     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7f9144d95bc0) [pid = 7858] [serial = 1] [outer = 0]
[task 2022-02-21T17:37:47.189Z] 17:37:47     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7f912a4e5000) [pid = 7858] [serial = 2] [outer = 7f9144d95bc0]
[task 2022-02-21T17:37:47.598Z] 17:37:47     INFO - GECKO(4882) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpns8lls7v.mozrunner/runtests_leaks_tab_pid7967.log
[task 2022-02-21T17:37:47.601Z] 17:37:47     INFO - GECKO(4882) | [7967, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:281
[task 2022-02-21T17:37:47.669Z] 17:37:47     INFO - GECKO(4882) | [Child 7967, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:693
[task 2022-02-21T17:37:47.705Z] 17:37:47     INFO - GECKO(4882) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpns8lls7v.mozrunner/runtests_leaks_tab_pid7972.log
[task 2022-02-21T17:37:47.708Z] 17:37:47     INFO - GECKO(4882) | [7972, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:281
[task 2022-02-21T17:37:47.741Z] 17:37:47     INFO - GECKO(4882) | [Child 7901: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fd6931e1400 == 1 [pid = 7901] [id = 0]
[task 2022-02-21T17:37:47.743Z] 17:37:47     INFO - GECKO(4882) | [Child 7901: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7fd6ada95d90) [pid = 7901] [serial = 1] [outer = 0]
[task 2022-02-21T17:37:47.743Z] 17:37:47     INFO - GECKO(4882) | [Child 7901: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7fd6931e1800) [pid = 7901] [serial = 2] [outer = 7fd6ada95d90]
[task 2022-02-21T17:37:47.820Z] 17:37:47     INFO - GECKO(4882) | [Child 7972, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:693
[task 2022-02-21T17:37:47.955Z] 17:37:47     INFO - GECKO(4882) | ###!!! [Parent][PCompositorManagerParent] Error: RunMessage(msgname=PCompositorBridge::Msg___delete__) Channel closing: too late to send/recv, messages will be lost
[task 2022-02-21T17:37:47.960Z] 17:37:47     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.016Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.059Z] 17:37:48     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f912a4e4c00 == 0 [pid = 7858] [id = 0] [url = about:blank]
[task 2022-02-21T17:37:48.086Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.106Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.114Z] 17:37:48     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7f9144d95bc0) [pid = 7858] [serial = 1] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:48.114Z] 17:37:48     INFO - GECKO(4882) | [Child 7858: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7f912a4e5000) [pid = 7858] [serial = 2] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:48.115Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-02-21T17:37:48.122Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.128Z] 17:37:48     INFO - GECKO(4882) | [Child 7901, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp:348
[task 2022-02-21T17:37:48.131Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.131Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.134Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:48.150Z] 17:37:48     INFO - GECKO(4882) | [Child 7858, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4460
[task 2022-02-21T17:37:48.354Z] 17:37:48     INFO - GECKO(4882) | [Child 7901: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (7fd6931e5400) [pid = 7901] [serial = 3] [outer = 7fd6ada95d90]
[task 2022-02-21T17:37:48.418Z] 17:37:48     INFO - GECKO(4882) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpns8lls7v.mozrunner/runtests_leaks_tab_pid8008.log
[task 2022-02-21T17:37:48.420Z] 17:37:48     INFO - GECKO(4882) | [8008, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:281
[task 2022-02-21T17:37:48.457Z] 17:37:48     INFO - GECKO(4882) | [Child 8008, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:693
[task 2022-02-21T17:37:48.673Z] 17:37:48     INFO - GECKO(4882) | JavaScript warning: , line 0: Script terminated by timeout at:
[task 2022-02-21T17:37:48.675Z] 17:37:48     INFO - GECKO(4882) | Assertion failure: jsapi.HasException(), at /builds/worker/checkouts/gecko/js/loader/ModuleLoaderBase.cpp:670
[task 2022-02-21T17:37:48.691Z] 17:37:48     INFO -  Initializing stack-fixing for the first stack frame, this may take a while...
[task 2022-02-21T17:37:58.981Z] 17:37:58     INFO - GECKO(4882) | #01: JS::loader::ModuleLoaderBase::InstantiateModuleTree(JS::loader::ModuleLoadRequest*) [js/loader/ModuleLoaderBase.cpp:670]
[task 2022-02-21T17:37:58.982Z] 17:37:58     INFO - GECKO(4882) | #02: mozilla::dom::ScriptLoader::ProcessRequest(JS::loader::ScriptLoadRequest*) [dom/script/ScriptLoader.cpp:1643]
[task 2022-02-21T17:37:58.983Z] 17:37:58     INFO - GECKO(4882) | #03: mozilla::dom::ScriptLoader::ProcessPendingRequests() [dom/script/ScriptLoader.cpp:2484]
[task 2022-02-21T17:37:58.987Z] 17:37:58     INFO - GECKO(4882) | #04: mozilla::dom::ModuleLoader::ProcessLoadedModuleTree(JS::loader::ModuleLoadRequest*) [dom/script/ModuleLoader.cpp:433]
[task 2022-02-21T17:37:58.988Z] 17:37:58     INFO - GECKO(4882) | #05: JS::loader::ModuleLoadRequest::LoadFinished() [js/loader/ModuleLoadRequest.cpp:185]
[task 2022-02-21T17:37:58.988Z] 17:37:58     INFO - GECKO(4882) | #06: mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ThenValue<JS::loader::ModuleLoadRequest*, void (JS::loader::ModuleLoadRequest::*)(), void (JS::loader::ModuleLoadRequest::*)()>::DoResolveOrRejectInternal(mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ResolveOrRejectValue&) [xpcom/threads/MozPromise.h:715]
[task 2022-02-21T17:37:58.989Z] 17:37:58     INFO - GECKO(4882) | #07: mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ThenValueBase::ResolveOrRejectRunnable::Run() [xpcom/threads/MozPromise.h:488]
[task 2022-02-21T17:37:58.990Z] 17:37:58     INFO - GECKO(4882) | #08: mozilla::RunnableTask::Run() [xpcom/threads/TaskController.cpp:468]
[task 2022-02-21T17:37:58.990Z] 17:37:58     INFO - GECKO(4882) | #09: mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:770]
[task 2022-02-21T17:37:58.991Z] 17:37:58     INFO - GECKO(4882) | #10: mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:606]
[task 2022-02-21T17:37:58.991Z] 17:37:58     INFO - GECKO(4882) | #11: mozilla::TaskController::ProcessPendingMTTask(bool) [xpcom/threads/TaskController.cpp:390]
[task 2022-02-21T17:37:58.992Z] 17:37:58     INFO - GECKO(4882) | #12: mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() [xpcom/threads/nsThreadUtils.h:532]
[task 2022-02-21T17:37:58.994Z] 17:37:58     INFO - GECKO(4882) | #13: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1177]
[task 2022-02-21T17:37:58.994Z] 17:37:58     INFO - GECKO(4882) | #14: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:467]
[task 2022-02-21T17:37:58.995Z] 17:37:58     INFO - GECKO(4882) | #15: mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:85]
[task 2022-02-21T17:37:58.996Z] 17:37:58     INFO - GECKO(4882) | #16: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:331]
[task 2022-02-21T17:37:58.996Z] 17:37:58     INFO - GECKO(4882) | #17: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:307]
[task 2022-02-21T17:37:58.997Z] 17:37:58     INFO - GECKO(4882) | #18: nsBaseAppShell::Run() [widget/nsBaseAppShell.cpp:139]
[task 2022-02-21T17:37:58.997Z] 17:37:58     INFO - GECKO(4882) | #19: XRE_RunAppShell() [toolkit/xre/nsEmbedFunctions.cpp:878]
[task 2022-02-21T17:37:58.998Z] 17:37:58     INFO - GECKO(4882) | #20: mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:235]
[task 2022-02-21T17:37:58.998Z] 17:37:58     INFO - GECKO(4882) | #21: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:331]
[task 2022-02-21T17:37:58.999Z] 17:37:58     INFO - GECKO(4882) | #22: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:307]
[task 2022-02-21T17:37:58.999Z] 17:37:58     INFO - GECKO(4882) | #23: XRE_InitChildProcess(int, char**, XREChildData const*) [toolkit/xre/nsEmbedFunctions.cpp:715]
[task 2022-02-21T17:37:59.036Z] 17:37:59     INFO - GECKO(4882) | #24: content_process_main(mozilla::Bootstrap*, int, char**) [ipc/contentproc/plugin-container.cpp:58]
[task 2022-02-21T17:37:59.037Z] 17:37:59     INFO - GECKO(4882) | #25: main [browser/app/nsBrowserApp.cpp:327]
[task 2022-02-21T17:37:59.049Z] 17:37:59     INFO - GECKO(4882) | #26: __libc_start_main [/lib/x86_64-linux-gnu/libc.so.6 + 0x21b97]
[task 2022-02-21T17:37:59.049Z] 17:37:59     INFO - GECKO(4882) | #27: ??? [/builds/worker/workspace/build/application/firefox/firefox-bin + 0x42f69]
[task 2022-02-21T17:37:59.049Z] 17:37:59     INFO - GECKO(4882) | #28: ??? (???:???)
[task 2022-02-21T17:37:59.050Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.050Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.051Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.051Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.051Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.052Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.053Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.053Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.054Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.054Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.055Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.056Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 208E5D1DC1313699.FAF2FA81DECDAFA2: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:340
[task 2022-02-21T17:37:59.056Z] 17:37:59     INFO - GECKO(4882) | ###!!! [Parent][PContentParent] Error: RunMessage(msgname=PWindowGlobal::Msg_UpdateBFCacheStatus) Channel error: cannot send/recv
[task 2022-02-21T17:37:59.057Z] 17:37:59     INFO - GECKO(4882) | ###!!! [Parent][PContentParent] Error: Send(msgname=PBrowser::Msg_ChildToParentMatrix) Channel error: cannot send/recv
[task 2022-02-21T17:37:59.057Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: IPC message 'PBrowser::Msg_StopIMEStateManagement' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:59.058Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:59.059Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3819
[task 2022-02-21T17:37:59.059Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: IPC message 'PContent::Msg_CommitBrowsingContextTransaction' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:59.060Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: IPC message 'PContent::Msg_DiscardBrowsingContext' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:498
[task 2022-02-21T17:37:59.061Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:95
[task 2022-02-21T17:37:59.061Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fa141fa3c00 == 21 [pid = 4882] [id = 123]
[task 2022-02-21T17:37:59.062Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 55 (7fa146215a90) [pid = 4882] [serial = 284] [outer = 0]
[task 2022-02-21T17:37:59.062Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 56 (7fa1466ae400) [pid = 4882] [serial = 285] [outer = 7fa146215a90]
[task 2022-02-21T17:37:59.063Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:95
[task 2022-02-21T17:37:59.064Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 57 (7fa141f76800) [pid = 4882] [serial = 286] [outer = 7fa146215a90]
[task 2022-02-21T17:37:59.064Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa141aab000 == 20 [pid = 4882] [id = 119] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.065Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa148f2f800 == 19 [pid = 4882] [id = 120] [url = about:blank]
[task 2022-02-21T17:37:59.066Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa149375400 == 18 [pid = 4882] [id = 113] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.066Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 56 (7fa148f2e000) [pid = 4882] [serial = 239] [outer = 0] [url = about:mozilla]
[task 2022-02-21T17:37:59.067Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 55 (7fa14834a400) [pid = 4882] [serial = 251] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.067Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa149a67800 == 17 [pid = 4882] [id = 114] [url = about:blank]
[task 2022-02-21T17:37:59.068Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1494a9400 == 16 [pid = 4882] [id = 115] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.069Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa149c55c00 == 15 [pid = 4882] [id = 116] [url = about:blank]
[task 2022-02-21T17:37:59.069Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f98c50ce000 == 1 [pid = 4948] [id = 92] [url = about:blank]
[task 2022-02-21T17:37:59.070Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f98c50c5400 == 0 [pid = 4948] [id = 91] [url = about:blank]
[task 2022-02-21T17:37:59.071Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7f98c50d0400) [pid = 4948] [serial = 217] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.071Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7f98c5033400) [pid = 4948] [serial = 220] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.072Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7f98c50c5c00) [pid = 4948] [serial = 219] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.073Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (7f98c50cec00) [pid = 4948] [serial = 222] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.073Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1464d8c00 == 14 [pid = 4882] [id = 117] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.074Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1466b2c00 == 13 [pid = 4882] [id = 107] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.075Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa148eb3c00 == 12 [pid = 4882] [id = 100] [url = about:mozilla]
[task 2022-02-21T17:37:59.075Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa149c51400 == 11 [pid = 4882] [id = 118] [url = about:blank]
[task 2022-02-21T17:37:59.076Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1466b4800 == 10 [pid = 4882] [id = 105] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.076Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1466ac800 == 9 [pid = 4882] [id = 109] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.077Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa1466b5400 == 8 [pid = 4882] [id = 111] [url = chrome://browser/content/browser.xhtml]
[task 2022-02-21T17:37:59.078Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa148eaac00 == 7 [pid = 4882] [id = 122] [url = about:blank]
[task 2022-02-21T17:37:59.078Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (7f98dad96300) [pid = 4948] [serial = 221] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.079Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (7f98dad966a0) [pid = 4948] [serial = 227] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.079Z] 17:37:59     INFO - GECKO(4882) | [Child 4948: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (7f98dad959f0) [pid = 4948] [serial = 224] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.080Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7f347e338800) [pid = 5015] [serial = 167] [outer = 0] [url = about:newtab]
[task 2022-02-21T17:37:59.081Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f347e337c00 == 3 [pid = 5015] [id = 58] [url = about:newtab]
[task 2022-02-21T17:37:59.081Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f347e33f800 == 2 [pid = 5015] [id = 55] [url = about:newtab]
[task 2022-02-21T17:37:59.082Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f347e33dc00 == 1 [pid = 5015] [id = 59] [url = about:newtab]
[task 2022-02-21T17:37:59.082Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7f348024af10) [pid = 5015] [serial = 168] [outer = 0] [url = about:newtab]
[task 2022-02-21T17:37:59.083Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7f348024b480) [pid = 5015] [serial = 171] [outer = 0] [url = about:newtab]
[task 2022-02-21T17:37:59.084Z] 17:37:59     INFO - GECKO(4882) | [Child 5015: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7f348024bd90) [pid = 5015] [serial = 159] [outer = 0] [url = about:newtab]
[task 2022-02-21T17:37:59.084Z] 17:37:59     INFO - GECKO(4882) | [Child 5040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f9a20e05000 == 1 [pid = 5040] [id = 89] [url = about:blank]
[task 2022-02-21T17:37:59.085Z] 17:37:59     INFO - GECKO(4882) | [Child 5040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7f9a3d2959f0) [pid = 5040] [serial = 227] [outer = 0] [url = about:blank]
[task 2022-02-21T17:37:59.085Z] 17:37:59     INFO - GECKO(4882) | [Parent 4882, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:306
```