Bug: Intermittent leakcheck | default 3860 bytes leaked (BackstagePass, ComponentModuleLoader, CondVar, JS Object, ModuleLoaderBase, ...)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-09-20 20:12:58+00:00
Resolved: 2024-12-11 16:20:16+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=390961213&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/StABqFnkQNy_O9FmQ0yxJA/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/StABqFnkQNy_O9FmQ0yxJA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2022-09-20T18:44:46.639Z] 18:44:46     INFO - TEST-START | browser/components/firefoxview/tests/browser/browser_setup_primary_password.js
<...>
[task 2022-09-20T18:44:56.446Z] 18:44:56     INFO - TEST-INFO | leakcheck | utility process: leak threshold set at 0 bytes
[task 2022-09-20T18:44:56.447Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks.log
[task 2022-09-20T18:44:56.448Z] 18:44:56     INFO - 
[task 2022-09-20T18:44:56.448Z] 18:44:56     INFO - == BloatView: ALL (cumulative) LEAK AND BLOAT STATISTICS, default process 8300
[task 2022-09-20T18:44:56.449Z] 18:44:56     INFO - 
[task 2022-09-20T18:44:56.449Z] 18:44:56     INFO -      |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|
[task 2022-09-20T18:44:56.449Z] 18:44:56     INFO -      |                                      | Per-Inst   Leaked|   Total      Rem|
[task 2022-09-20T18:44:56.450Z] 18:44:56     INFO -    0 |TOTAL                                 |       39     3860| 3940728       99|
[task 2022-09-20T18:44:56.450Z] 18:44:56     INFO -   69 |BackstagePass                         |       84       84|       1        1|
[task 2022-09-20T18:44:56.451Z] 18:44:56     INFO -  160 |ComponentModuleLoader                 |      136      136|       1        1|
[task 2022-09-20T18:44:56.451Z] 18:44:56     INFO -  176 |CondVar                               |       36       36|     491        1|
[task 2022-09-20T18:44:56.451Z] 18:44:56     INFO -  520 |JS Object                             |        8       48|       6        6|
[task 2022-09-20T18:44:56.452Z] 18:44:56     INFO -  605 |ModuleLoaderBase                      |      100      100|      75        1|
[task 2022-09-20T18:44:56.452Z] 18:44:56     INFO -  615 |Mutex                                 |       44       88|   11344        2|
[task 2022-09-20T18:44:56.453Z] 18:44:56     INFO - 1171 |TaskQueue                             |      176      176|      24        1|
[task 2022-09-20T18:44:56.453Z] 18:44:56     INFO - 1190 |ThreadSafeWeakReference               |       12       12|     164        1|
[task 2022-09-20T18:44:56.454Z] 18:44:56     INFO - 1335 |XPCNativeInterface                    |       28      196|     296        7|
[task 2022-09-20T18:44:56.454Z] 18:44:56     INFO - 1336 |XPCNativeMember                       |        8       56|   10878        7|
[task 2022-09-20T18:44:56.454Z] 18:44:56     INFO - 1337 |XPCNativeSet                          |       16       80|     922        5|
[task 2022-09-20T18:44:56.455Z] 18:44:56     INFO - 1340 |XPCWrappedNative                      |       48      240|   16093        5|
[task 2022-09-20T18:44:56.455Z] 18:44:56     INFO - 1341 |XPCWrappedNativeProto                 |       20       20|     601        1|
[task 2022-09-20T18:44:56.456Z] 18:44:56     INFO - 1343 |XPCWrappedNativeTearOff               |       16      144|   17613        9|
[task 2022-09-20T18:44:56.456Z] 18:44:56     INFO - 1578 |nsConverterOutputStream               |       20       20|       1        1|
[task 2022-09-20T18:44:56.457Z] 18:44:56     INFO - 1759 |nsJSPrincipals                        |       16       16|    1711        1|
[task 2022-09-20T18:44:56.457Z] 18:44:56     INFO - 1822 |nsPrefBranch                          |       68       68|      71        1|
[task 2022-09-20T18:44:56.458Z] 18:44:56     INFO - 1876 |nsStorageStream                       |       96       96|      33        1|
[task 2022-09-20T18:44:56.458Z] 18:44:56     INFO - 1989 |nsXPCWrappedJS                        |       48     2208|    9332       46|
[task 2022-09-20T18:44:56.458Z] 18:44:56     INFO - 2022 |webext_storage_bridge::area::StorageSy|       36       36|       1        1|
[task 2022-09-20T18:44:56.459Z] 18:44:56     INFO - 
[task 2022-09-20T18:44:56.459Z] 18:44:56     INFO - nsTraceRefcnt::DumpStatistics: 2027 entries
[task 2022-09-20T18:44:56.459Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 BackstagePass
[task 2022-09-20T18:44:56.460Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 ComponentModuleLoader
[task 2022-09-20T18:44:56.460Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 CondVar
[task 2022-09-20T18:44:56.460Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 6 JS Object
[task 2022-09-20T18:44:56.461Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 ModuleLoaderBase
[task 2022-09-20T18:44:56.461Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 2 Mutex
[task 2022-09-20T18:44:56.461Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 TaskQueue
[task 2022-09-20T18:44:56.462Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 ThreadSafeWeakReference
[task 2022-09-20T18:44:56.462Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 7 XPCNativeInterface
[task 2022-09-20T18:44:56.463Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 7 XPCNativeMember
[task 2022-09-20T18:44:56.463Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 5 XPCNativeSet
[task 2022-09-20T18:44:56.463Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 5 XPCWrappedNative
[task 2022-09-20T18:44:56.464Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 XPCWrappedNativeProto
[task 2022-09-20T18:44:56.464Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 9 XPCWrappedNativeTearOff
[task 2022-09-20T18:44:56.464Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 nsConverterOutputStream
[task 2022-09-20T18:44:56.465Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 nsJSPrincipals
[task 2022-09-20T18:44:56.465Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 nsPrefBranch
[task 2022-09-20T18:44:56.465Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 nsStorageStream
[task 2022-09-20T18:44:56.466Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 46 nsXPCWrappedJS
[task 2022-09-20T18:44:56.466Z] 18:44:56     INFO - TEST-INFO | leakcheck | default leaked 1 webext_storage_bridge::area::StorageSy
[task 2022-09-20T18:44:56.467Z] 18:44:56     INFO - TEST-UNEXPECTED-FAIL | leakcheck | default 3860 bytes leaked (BackstagePass, ComponentModuleLoader, CondVar, JS Object, ModuleLoaderBase, ...)
[task 2022-09-20T18:44:56.467Z] 18:44:56     INFO - 
[task 2022-09-20T18:44:56.468Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_gpu_pid7244.log
[task 2022-09-20T18:44:56.468Z] 18:44:56     INFO - TEST-PASS | leakcheck | gpu no leaks detected!
[task 2022-09-20T18:44:56.468Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid1688.log
[task 2022-09-20T18:44:56.469Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.470Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid5672.log
[task 2022-09-20T18:44:56.470Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.470Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid656.log
[task 2022-09-20T18:44:56.471Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.471Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid7096.log
[task 2022-09-20T18:44:56.471Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.472Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid7816.log
[task 2022-09-20T18:44:56.472Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.473Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid8264.log
[task 2022-09-20T18:44:56.473Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.474Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid8332.log
[task 2022-09-20T18:44:56.476Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.477Z] 18:44:56     INFO - leakcheck | Processing leak log file C:\Users\task_166369398144588\AppData\Local\Temp\tmpbfm9acbs.mozrunner\runtests_leaks_tab_pid9116.log
[task 2022-09-20T18:44:56.478Z] 18:44:56     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2022-09-20T18:44:56.478Z] 18:44:56     INFO - runtests.py | Running tests: end.
[task 2022-09-20T18:44:56.523Z] 18:44:56     INFO - Buffered messages finished
[task 2022-09-20T18:44:56.529Z] 18:44:56     INFO -  TEST-INFO | checking window state
[task 2022-09-20T18:44:56.529Z] 18:44:56     INFO -  Browser Chrome Test Summary
[task 2022-09-20T18:44:56.529Z] 18:44:56     INFO -  	Passed: 150
[task 2022-09-20T18:44:56.529Z] 18:44:56     INFO -  	Failed: 0
[task 2022-09-20T18:44:56.529Z] 18:44:56     INFO -  	Todo: 0
[task 2022-09-20T18:44:56.530Z] 18:44:56     INFO -  	Mode: e10s
[task 2022-09-20T18:44:56.530Z] 18:44:56     INFO -  *** End BrowserChrome Test Results ***
[task 2022-09-20T18:44:56.531Z] 18:44:56     INFO - Buffered messages finished
[task 2022-09-20T18:44:56.531Z] 18:44:56     INFO - SUITE-END | took 33s
```