Bug: Intermittent unknown test url | uncaught exception - TypeError: tab.linkedBrowser.currentURI is null at tinfo@resource:///modules/AsyncTabSwitcher.sys.mjs:1187:7
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2023-07-11 12:45:48+00:00
Resolved: 2023-07-17 06:34:38+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=422260213&repo=try
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/G6-vetoERy-PnlrXRE6z3w/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-07-11T11:25:03.919Z] 11:25:03     INFO - TEST-OK | devtools/client/framework/test/browser_toolbox_remoteness_change.js | took 4000ms
[task 2023-07-11T11:25:03.925Z] 11:25:03     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 11ab8b000 == 2 [pid = 1536] [id = 41]
[task 2023-07-11T11:25:03.926Z] 11:25:03     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 7 (1041df4c0) [pid = 1536] [serial = 93] [outer = 0]
[task 2023-07-11T11:25:03.926Z] 11:25:03     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 8 (11ab8b400) [pid = 1536] [serial = 94] [outer = 1041df4c0]
[task 2023-07-11T11:25:03.927Z] 11:25:03     INFO - GECKO(1532) | console.error:
[task 2023-07-11T11:25:03.928Z] 11:25:03     INFO - GECKO(1532) |   Message: TypeError: browser.webNavigation is undefined
[task 2023-07-11T11:25:03.928Z] 11:25:03     INFO - GECKO(1532) |   Stack:
[task 2023-07-11T11:25:03.928Z] 11:25:03     INFO - GECKO(1532) |     _internalMaybeFixupLoadURI@chrome://browser/content/tabbrowser.js:7261:11
[task 2023-07-11T11:25:03.929Z] 11:25:03     INFO - GECKO(1532) | fixupAndLoadURIString@chrome://browser/content/tabbrowser.js:7214:12
[task 2023-07-11T11:25:03.929Z] 11:25:03     INFO - GECKO(1532) | _kickOffBrowserLoad@chrome://browser/content/tabbrowser.js:3117:19
[task 2023-07-11T11:25:03.929Z] 11:25:03     INFO - GECKO(1532) | addTab@chrome://browser/content/tabbrowser.js:2806:14
[task 2023-07-11T11:25:03.930Z] 11:25:03     INFO - GECKO(1532) | Tester_waitForWindowsState@chrome://mochikit/content/browser-test.js:460:16
[task 2023-07-11T11:25:03.930Z] 11:25:03     INFO - GECKO(1532) | nextTest@chrome://mochikit/content/browser-test.js:1007:10
[task 2023-07-11T11:25:03.930Z] 11:25:03     INFO - GECKO(1532) | async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1794:25
[task 2023-07-11T11:25:03.931Z] 11:25:03     INFO - GECKO(1532) | run@chrome://mochikit/content/browser-test.js:1714:9
[task 2023-07-11T11:25:03.931Z] 11:25:03    ERROR - GECKO(1532) | TEST-UNEXPECTED-FAIL | unknown test url | uncaught exception - TypeError: tab.linkedBrowser.currentURI is null at tinfo@resource:///modules/AsyncTabSwitcher.sys.mjs:1187:7
[task 2023-07-11T11:25:03.931Z] 11:25:03     INFO - GECKO(1532) | requestTab@resource:///modules/AsyncTabSwitcher.sys.mjs:1037:40
[task 2023-07-11T11:25:03.932Z] 11:25:03     INFO - GECKO(1532) | updateCurrentBrowser@chrome://browser/content/tabbrowser.js:1153:31
[task 2023-07-11T11:25:03.932Z] 11:25:03     INFO - GECKO(1532) | _setupEventListeners/<@chrome://browser/content/tabbrowser.js:5935:16
[task 2023-07-11T11:25:03.933Z] 11:25:03     INFO - GECKO(1532) | set selectedIndex@chrome://global/content/elements/tabbox.js:236:14
[task 2023-07-11T11:25:03.933Z] 11:25:03     INFO - GECKO(1532) | set selectedPanel@chrome://global/content/elements/tabbox.js:246:54
[task 2023-07-11T11:25:03.933Z] 11:25:03     INFO - GECKO(1532) | set selectedIndex@chrome://global/content/elements/tabbox.js:599:9
[task 2023-07-11T11:25:03.934Z] 11:25:03     INFO - GECKO(1532) | set selectedItem@chrome://global/content/elements/tabbox.js:617:35
[task 2023-07-11T11:25:03.934Z] 11:25:03     INFO - GECKO(1532) | set selectedTab@chrome://global/content/elements/tabbox.js:80:11
[task 2023-07-11T11:25:03.934Z] 11:25:03     INFO - GECKO(1532) | set selectedTab@chrome://browser/content/tabbrowser.js:359:7
[task 2023-07-11T11:25:03.935Z] 11:25:03     INFO - GECKO(1532) | _blurTab@chrome://browser/content/tabbrowser.js:4462:31
[task 2023-07-11T11:25:03.935Z] 11:25:03     INFO - GECKO(1532) | _beginRemoveTab@chrome://browser/content/tabbrowser.js:4092:14
[task 2023-07-11T11:25:03.935Z] 11:25:03     INFO - GECKO(1532) | removeTab@chrome://browser/content/tabbrowser.js:3955:15
[task 2023-07-11T11:25:03.935Z] 11:25:03     INFO - GECKO(1532) | Tester_waitForWindowsState@chrome://mochikit/content/browser-test.js:465:16
[task 2023-07-11T11:25:03.936Z] 11:25:03     INFO - GECKO(1532) | nextTest@chrome://mochikit/content/browser-test.js:1007:10
[task 2023-07-11T11:25:03.936Z] 11:25:03     INFO - GECKO(1532) | async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1794:25
[task 2023-07-11T11:25:03.936Z] 11:25:03     INFO - GECKO(1532) | run@chrome://mochikit/content/browser-test.js:1714:9
[task 2023-07-11T11:25:03.937Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: resource:///modules/AsyncTabSwitcher.sys.mjs, line 1187: TypeError: tab.linkedBrowser.currentURI is null
[task 2023-07-11T11:25:03.937Z] 11:25:03     INFO - GECKO(1532) | [Child 1534: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 11a36bc00 == 0 [pid = 1534] [id = 39] [url = about:blank]
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: tab.linkedBrowser.currentURI is null" {file: "resource:///modules/AsyncTabSwitcher.sys.mjs" line: 1187}]
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - tinfo@resource:///modules/AsyncTabSwitcher.sys.mjs:1187:7
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - requestTab@resource:///modules/AsyncTabSwitcher.sys.mjs:1037:40
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - updateCurrentBrowser@chrome://browser/content/tabbrowser.js:1153:31
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - _setupEventListeners/<@chrome://browser/content/tabbrowser.js:5935:16
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedIndex@chrome://global/content/elements/tabbox.js:236:14
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedPanel@chrome://global/content/elements/tabbox.js:246:54
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedIndex@chrome://global/content/elements/tabbox.js:599:9
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedItem@chrome://global/content/elements/tabbox.js:617:35
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedTab@chrome://global/content/elements/tabbox.js:80:11
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - set selectedTab@chrome://browser/content/tabbrowser.js:359:7
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - _blurTab@chrome://browser/content/tabbrowser.js:4462:31
[task 2023-07-11T11:25:03.950Z] 11:25:03     INFO - _beginRemoveTab@chrome://browser/content/tabbrowser.js:4092:14
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - removeTab@chrome://browser/content/tabbrowser.js:3955:15
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - Tester_waitForWindowsState@chrome://mochikit/content/browser-test.js:465:16
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - nextTest@chrome://mochikit/content/browser-test.js:1007:10
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1794:25
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - run@chrome://mochikit/content/browser-test.js:1714:9
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - 
[task 2023-07-11T11:25:03.951Z] 11:25:03    ERROR - GECKO(1532) | TEST-UNEXPECTED-FAIL | unknown test url | uncaught exception - TypeError: this.window.gBrowser.selectedBrowser.browsingContext is null at setURI@resource:///modules/UrlbarInput.sys.mjs:418:1
[task 2023-07-11T11:25:03.951Z] 11:25:03     INFO - GECKO(1532) | onStateChange@chrome://browser/content/tabbrowser.js:6691:25
[task 2023-07-11T11:25:03.952Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: resource:///modules/UrlbarInput.sys.mjs, line 418: TypeError: this.window.gBrowser.selectedBrowser.browsingContext is null
[task 2023-07-11T11:25:03.952Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: resource://gre/modules/RemoteWebNavigation.sys.mjs, line 166: TypeError: this._browser.browsingContext is null
[task 2023-07-11T11:25:03.953Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: this.window.gBrowser.selectedBrowser.browsingContext is null" {file: "resource:///modules/UrlbarInput.sys.mjs" line: 418}]
[task 2023-07-11T11:25:03.953Z] 11:25:03     INFO - setURI@resource:///modules/UrlbarInput.sys.mjs:418:1
[task 2023-07-11T11:25:03.953Z] 11:25:03     INFO - onStateChange@chrome://browser/content/tabbrowser.js:6691:25
[task 2023-07-11T11:25:03.953Z] 11:25:03     INFO - 
[task 2023-07-11T11:25:03.953Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: this._browser.browsingContext is null" {file: "resource://gre/modules/RemoteWebNavigation.sys.mjs" line: 166}]
[task 2023-07-11T11:25:03.954Z] 11:25:03     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 9 (104166400) [pid = 1536] [serial = 95] [outer = 1041df4c0]
[task 2023-07-11T11:25:03.960Z] 11:25:03    ERROR - GECKO(1532) | TEST-UNEXPECTED-FAIL | unknown test url | uncaught exception - TypeError: this._remoteWebNavigation is undefined at updateForLocationChange@chrome://global/content/elements/browser-custom-element.js:1168:9
[task 2023-07-11T11:25:03.960Z] 11:25:03     INFO - GECKO(1532) | getInterfaceProxy/get/<@chrome://global/content/customElements.js:683:35
[task 2023-07-11T11:25:03.960Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: chrome://global/content/elements/browser-custom-element.js, line 1168: TypeError: this._remoteWebNavigation is undefined
[task 2023-07-11T11:25:03.961Z] 11:25:03    ERROR - GECKO(1532) | TEST-UNEXPECTED-FAIL | unknown test url | uncaught exception - TypeError: browser.currentURI is null at setTabTitle@chrome://browser/content/tabbrowser.js:1704:13
[task 2023-07-11T11:25:03.961Z] 11:25:03     INFO - GECKO(1532) | onLocationChange@chrome://browser/content/tabbrowser.js:6916:22
[task 2023-07-11T11:25:03.962Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: chrome://browser/content/tabbrowser.js, line 1704: TypeError: browser.currentURI is null
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: this._remoteWebNavigation is undefined" {file: "chrome://global/content/elements/browser-custom-element.js" line: 1168}]
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - updateForLocationChange@chrome://global/content/elements/browser-custom-element.js:1168:9
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - getInterfaceProxy/get/<@chrome://global/content/customElements.js:683:35
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - 
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: browser.currentURI is null" {file: "chrome://browser/content/tabbrowser.js" line: 1704}]
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - setTabTitle@chrome://browser/content/tabbrowser.js:1704:13
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - onLocationChange@chrome://browser/content/tabbrowser.js:6916:22
[task 2023-07-11T11:25:03.963Z] 11:25:03     INFO - 
[task 2023-07-11T11:25:03.964Z] 11:25:03    ERROR - GECKO(1532) | TEST-UNEXPECTED-FAIL | unknown test url | uncaught exception - TypeError: browser.currentURI is null at setTabTitle@chrome://browser/content/tabbrowser.js:1704:13
[task 2023-07-11T11:25:03.964Z] 11:25:03     INFO - GECKO(1532) | _setupEventListeners/<@chrome://browser/content/tabbrowser.js:6000:33
[task 2023-07-11T11:25:03.964Z] 11:25:03     INFO - GECKO(1532) | EventListener.handleEvent*addEventListener@chrome://browser/content/tabbrowser.js:326:22
[task 2023-07-11T11:25:03.965Z] 11:25:03     INFO - GECKO(1532) | _setupEventListeners@chrome://browser/content/tabbrowser.js:5983:12
[task 2023-07-11T11:25:03.965Z] 11:25:03     INFO - GECKO(1532) | init@chrome://browser/content/tabbrowser.js:136:12
[task 2023-07-11T11:25:03.965Z] 11:25:03     INFO - GECKO(1532) | onDOMContentLoaded@chrome://browser/content/browser.js:1605:14
[task 2023-07-11T11:25:03.966Z] 11:25:03     INFO - GECKO(1532) | EventListener.handleEvent*@chrome://browser/content/browser.xhtml:131:10
[task 2023-07-11T11:25:03.966Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: chrome://browser/content/tabbrowser.js, line 1704: TypeError: browser.currentURI is null
[task 2023-07-11T11:25:03.966Z] 11:25:03     INFO - GECKO(1532) | [Child 1543: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (11c86dc00) [pid = 1543] [serial = 111] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:03.967Z] 11:25:03     INFO - GECKO(1532) | [Child 1543: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (11c8ea400) [pid = 1543] [serial = 109] [outer = 0] [url = data:text/html;charset=utf-8,Toggling devtools quickly]
[task 2023-07-11T11:25:03.967Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: browser.currentURI is null" {file: "chrome://browser/content/tabbrowser.js" line: 1704}]
[task 2023-07-11T11:25:03.967Z] 11:25:03     INFO - setTabTitle@chrome://browser/content/tabbrowser.js:1704:13
[task 2023-07-11T11:25:03.967Z] 11:25:03     INFO - _setupEventListeners/<@chrome://browser/content/tabbrowser.js:6000:33
[task 2023-07-11T11:25:03.967Z] 11:25:03     INFO - EventListener.handleEvent*addEventListener@chrome://browser/content/tabbrowser.js:326:22
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - _setupEventListeners@chrome://browser/content/tabbrowser.js:5983:12
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - init@chrome://browser/content/tabbrowser.js:136:12
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - onDOMContentLoaded@chrome://browser/content/browser.js:1605:14
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - EventListener.handleEvent*@chrome://browser/content/browser.xhtml:131:10
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - 
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - GECKO(1532) | JavaScript error: chrome://extensions/content/parent/ext-tabs-base.js, line 198: TypeError: this.browser.currentURI is null
[task 2023-07-11T11:25:03.968Z] 11:25:03     INFO - Console message: [JavaScript Error: "TypeError: this.browser.currentURI is null" {file: "chrome://extensions/content/parent/ext-tabs-base.js" line: 198}]
[task 2023-07-11T11:25:04.173Z] 11:25:04     INFO - GECKO(1532) | [Child 1543: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (11c8a6f20) [pid = 1543] [serial = 110] [outer = 0] [url = data:text/html,test for toolbox being ready]
[task 2023-07-11T11:25:04.559Z] 11:25:04     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (104167000) [pid = 1536] [serial = 87] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:04.559Z] 11:25:04     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 10416a800 == 1 [pid = 1536] [id = 40] [url = data:text/html;charset=UTF-8,%3Cdiv%20id%3D%22remote-page%22%3Efoo%3C%2Fdiv%3E]
[task 2023-07-11T11:25:04.625Z] 11:25:04     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (103f5d200) [pid = 1536] [serial = 88] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:04.626Z] 11:25:04     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (103f5d020) [pid = 1536] [serial = 90] [outer = 0] [url = data:text/html;charset=UTF-8,%3Cdiv%20id%3D%22remote-page%22%3Efoo%3C%2Fdiv%3E]
[task 2023-07-11T11:25:05.048Z] 11:25:05     INFO - GECKO(1532) | [Child 1534: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (106252200) [pid = 1534] [serial = 87] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:05.049Z] 11:25:05     INFO - GECKO(1532) | [Child 1534: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (106252f20) [pid = 1534] [serial = 89] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:08.033Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 13a2bb400 == 12 [pid = 1532] [id = 273] [url = about:robots]
[task 2023-07-11T11:25:08.033Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 123086c00 == 11 [pid = 1532] [id = 268] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.034Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12c8d0400 == 10 [pid = 1532] [id = 264] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.034Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12c8d5800 == 9 [pid = 1532] [id = 261] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.034Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 169967400 == 8 [pid = 1532] [id = 266] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.035Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 13723e400 == 7 [pid = 1532] [id = 271] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.035Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 82 (17609c000) [pid = 1532] [serial = 683] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:08.035Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 81 (13eaeb400) [pid = 1532] [serial = 680] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:08.036Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 17609e000 == 6 [pid = 1532] [id = 275] [url = chrome://devtools/content/webconsole/index.html]
[task 2023-07-11T11:25:08.036Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 17609b800 == 5 [pid = 1532] [id = 274] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.036Z] 11:25:08     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 80 (137248c00) [pid = 1532] [serial = 599] [outer = 0] [url = about:devtools-toolbox]
[task 2023-07-11T11:25:08.870Z] 11:25:08     INFO - GECKO(1532) | [Child 1543: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (11c8eb800) [pid = 1543] [serial = 112] [outer = 0] [url = data:text/html,test for toolbox being ready]
[task 2023-07-11T11:25:09.113Z] 11:25:09     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (10416ac00) [pid = 1536] [serial = 89] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:09.113Z] 11:25:09     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (11ab8b400) [pid = 1536] [serial = 94] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:09.113Z] 11:25:09     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (10416d400) [pid = 1536] [serial = 92] [outer = 0] [url = data:text/html;charset=UTF-8,%3Cdiv%20id%3D%22remote-page%22%3Efoo%3C%2Fdiv%3E]
[task 2023-07-11T11:25:09.114Z] 11:25:09     INFO - GECKO(1532) | [Child 1536: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (10416c000) [pid = 1536] [serial = 91] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:09.196Z] 11:25:09     INFO - GECKO(1532) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/7c/pf5gtst92v9bdx689246zdd4000014/T/tmpzsvwk8it.mozrunner/runtests_leaks_tab_pid1777.log
[task 2023-07-11T11:25:09.197Z] 11:25:09     INFO - GECKO(1532) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/7c/pf5gtst92v9bdx689246zdd4000014/T/tmpzsvwk8it.mozrunner/runtests_leaks_tab_pid1776.log
[task 2023-07-11T11:25:09.266Z] 11:25:09     INFO - GECKO(1532) | [Child 1534: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (11f391400) [pid = 1534] [serial = 90] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:09.266Z] 11:25:09     INFO - GECKO(1532) | [Child 1534: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (11a361400) [pid = 1534] [serial = 88] [outer = 0] [url = about:blank]
[task 2023-07-11T11:25:09.581Z] 11:25:09     INFO - GECKO(1532) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/7c/pf5gtst92v9bdx689246zdd4000014/T/tmpzsvwk8it.mozrunner/runtests_leaks_tab_pid1778.log
[task 2023-07-11T11:25:12.661Z] 11:25:12     INFO - GECKO(1532) | [Parent 1532: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 79 (12bee57a0) [pid = 1532] [serial = 667] [outer = 0] [url = about:devtools-toolbox]
<...>
```