Bug: Intermittent leakcheck | tab 369457 bytes leaked (APZEventState, ActiveElementManager, BackstagePass, BrowserChild, BrowserChildMessageManager, ...)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-04-28 16:21:02+00:00
Resolved: 2020-06-16 17:02:03+00:00

**Filed by:** ncsoregi [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=299799378&repo=try
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CpYkTwWZRxa4E9dZ9AwXMg/runs/0/artifacts/public/logs/live_backing.log

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>[task 2020-04-28T14:41:30.752Z] 14:41:30     INFO - leakcheck | Processing leak log file c:\users\task_1588083919\appdata\local\temp\tmpgm_tja.mozrunner\runtests_leaks_tab_pid8184.log
[task 2020-04-28T14:41:30.753Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.753Z] 14:41:30     INFO - == BloatView: ALL (cumulative) LEAK AND BLOAT STATISTICS, tab process 8184
[task 2020-04-28T14:41:30.754Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.754Z] 14:41:30     INFO -      |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|
[task 2020-04-28T14:41:30.755Z] 14:41:30     INFO -      |                                      | Per-Inst   Leaked|   Total      Rem|
[task 2020-04-28T14:41:30.755Z] 14:41:30     INFO -    0 |TOTAL                                 |       40   369457| 1734501     7761|
[task 2020-04-28T14:41:30.756Z] 14:41:30     INFO -    1 |APZEventState                         |      152      152|      71        1|
[task 2020-04-28T14:41:30.756Z] 14:41:30     INFO -    9 |ActiveElementManager                  |       40       40|      71        1|
[task 2020-04-28T14:41:30.757Z] 14:41:30     INFO -   27 |BackstagePass                         |      144      432|       4        3|
[task 2020-04-28T14:41:30.757Z] 14:41:30     INFO -   42 |BrowserChild                          |     1320     1320|     142        1|
[task 2020-04-28T14:41:30.757Z] 14:41:30     INFO -   43 |BrowserChildMessageManager            |      176      176|      71        1|
[task 2020-04-28T14:41:30.758Z] 14:41:30     INFO -   44 |BrowsingContext                       |      856      856|      72        1|
[task 2020-04-28T14:41:30.758Z] 14:41:30     INFO -   45 |BrowsingContextGroup                  |      200      200|      70        1|
[task 2020-04-28T14:41:30.759Z] 14:41:30     INFO -   54 |CallbackObject                        |       64     1536|    9331       24|
[task 2020-04-28T14:41:30.759Z] 14:41:30     INFO -   61 |ChannelEventQueue                     |      216      216|      55        1|
[task 2020-04-28T14:41:30.760Z] 14:41:30     INFO -   65 |CharacterData                         |      128    24704|    9501      193|
[task 2020-04-28T14:41:30.760Z] 14:41:30     INFO -   66 |ChildDNSService                       |      160      160|       1        1|
[task 2020-04-28T14:41:30.760Z] 14:41:30     INFO -   69 |ChildProcessMessageManagerCallback    |        8        8|       1        1|
[task 2020-04-28T14:41:30.761Z] 14:41:30     INFO -   84 |Comment                               |      128      384|     223        3|
[task 2020-04-28T14:41:30.762Z] 14:41:30     INFO -   88 |CondVar                               |       64      448|     359        7|
[task 2020-04-28T14:41:30.762Z] 14:41:30     INFO -   89 |Console                               |      312      312|       1        1|
[task 2020-04-28T14:41:30.763Z] 14:41:30     INFO -   90 |ConsoleInstance                       |       56       56|       1        1|
[task 2020-04-28T14:41:30.763Z] 14:41:30     INFO -   92 |ConsoleReportCollector                |      112      448|     392        4|
[task 2020-04-28T14:41:30.764Z] 14:41:30     INFO -   94 |ContentProcessMessageManager          |      128      128|       1        1|
[task 2020-04-28T14:41:30.764Z] 14:41:30     INFO -   96 |CookieJarSettings                     |       56      112|     299        2|
[task 2020-04-28T14:41:30.765Z] 14:41:30     INFO -   98 |CopyOnWriteValue                      |       40      280|      24        7|
[task 2020-04-28T14:41:30.765Z] 14:41:30     INFO -  101 |CustomElementReactionsStack           |      152      456|      24        3|
.....
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 3 nsXPCComponents_Classes
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsXPCComponents_Constructor
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsXPCComponents_ID
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 3 nsXPCComponents_Interfaces
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 3 nsXPCComponents_Results
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 3 nsXPCComponents_Utils
[task 2020-04-28T14:41:30.927Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 9 nsXPCWrappedJS
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsXPConnect
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsXULPopupManager
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsXULPrototypeCache
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 1 nsZipReaderCache
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-INFO | leakcheck | tab leaked 5 xpc::CompartmentPrivate
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - TEST-UNEXPECTED-FAIL | leakcheck | tab 369457 bytes leaked (APZEventState, ActiveElementManager, BackstagePass, BrowserChild, BrowserChildMessageManager, ...)
[task 2020-04-28T14:41:30.928Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - leakcheck | Processing leak log file c:\users\task_1588083919\appdata\local\temp\tmpgm_tja.mozrunner\runtests_leaks_tab_pid8408.log
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - == BloatView: ALL (cumulative) LEAK AND BLOAT STATISTICS, tab process 8408
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO -      |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO -      |                                      | Per-Inst   Leaked|   Total      Rem|
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO -    0 |TOTAL                                 |       39        0|  429019        0|
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - 
[task 2020-04-28T14:41:30.929Z] 14:41:30     INFO - nsTraceRefcnt::DumpStatistics: 858 entries
[task 2020-04-28T14:41:30.930Z] 14:41:30     INFO - TEST-PASS | leakcheck | tab no leaks detected!