Bug: Intermittent leakcheck | default 2688 bytes leaked (CondVar, Mutex, MutexSingleWriter, TRRService, TRRServiceBase, ...)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2023-06-29 10:50:19+00:00
Resolved: 2023-07-26 12:01:43+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=421051855&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SFcAwvrwTYKzK0klyvVL7g/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-06-29T09:14:02.132Z] 09:14:02     INFO - TEST-INFO | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | This test created 1 hidden docshell(s)
[task 2023-06-29T09:14:02.132Z] 09:14:02     INFO - runtests.py | Application ran for: 0:14:30.773616
[task 2023-06-29T09:14:02.132Z] 09:14:02     INFO - zombiecheck | Reading PID log: /tmp/tmpw0opy9ctpidlog
[task 2023-06-29T09:14:02.133Z] 09:14:02     INFO - ==> process 1951 launched child process 1972
[task 2023-06-29T09:14:02.133Z] 09:14:02     INFO - ==> process 1951 launched child process 2012
[task 2023-06-29T09:14:02.133Z] 09:14:02     INFO - ==> process 1951 launched child process 2039
[task 2023-06-29T09:14:02.134Z] 09:14:02     INFO - ==> process 1951 launched child process 2091
[task 2023-06-29T09:14:02.134Z] 09:14:02     INFO - ==> process 1951 launched child process 2094
[task 2023-06-29T09:14:02.135Z] 09:14:02     INFO - ==> process 1951 launched child process 2100
[task 2023-06-29T09:14:02.135Z] 09:14:02     INFO - ==> process 1951 launched child process 2120
[task 2023-06-29T09:14:02.135Z] 09:14:02     INFO - ==> process 1951 launched child process 2147
[task 2023-06-29T09:14:02.135Z] 09:14:02     INFO - ==> process 1951 launched child process 2189
[task 2023-06-29T09:14:02.136Z] 09:14:02     INFO - ==> process 1951 launched child process 2191
[task 2023-06-29T09:14:02.136Z] 09:14:02     INFO - ==> process 1951 launched child process 2362
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2380
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2463
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2487
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2588
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2622
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2647
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2705
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2738
[task 2023-06-29T09:14:02.137Z] 09:14:02     INFO - ==> process 1951 launched child process 2774
[task 2023-06-29T09:14:02.138Z] 09:14:02     INFO - ==> process 1951 launched child process 2802
[task 2023-06-29T09:14:02.138Z] 09:14:02     INFO - ==> process 1951 launched child process 2981
[task 2023-06-29T09:14:02.139Z] 09:14:02     INFO - ==> process 1951 launched child process 2986
[task 2023-06-29T09:14:02.139Z] 09:14:02     INFO - ==> process 1951 launched child process 3017
[task 2023-06-29T09:14:02.140Z] 09:14:02     INFO - ==> process 1951 launched child process 3067
[task 2023-06-29T09:14:02.140Z] 09:14:02     INFO - ==> process 1951 launched child process 3187
[task 2023-06-29T09:14:02.141Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2189
[task 2023-06-29T09:14:02.142Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2191
[task 2023-06-29T09:14:02.142Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2705
[task 2023-06-29T09:14:02.142Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2588
[task 2023-06-29T09:14:02.143Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2463
[task 2023-06-29T09:14:02.143Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2981
[task 2023-06-29T09:14:02.143Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2986
[task 2023-06-29T09:14:02.144Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2091
[task 2023-06-29T09:14:02.144Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2094
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2738
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 1972
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2100
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2487
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2362
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2622
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2120
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 3017
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2380
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2774
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2647
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2012
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2147
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2802
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 3187
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 2039
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - zombiecheck | Checking for orphan process with PID: 3067
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - Stopping web server
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - Server shut down.
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - Web server killed.
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - Stopping web socket server
[task 2023-06-29T09:14:02.145Z] 09:14:02     INFO - Stopping ssltunnel
[task 2023-06-29T09:14:02.160Z] 09:14:02     INFO - Stopping gst for v4l2loopback
[task 2023-06-29T09:14:02.160Z] 09:14:02     INFO - leakcheck | Processing log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks.log
[task 2023-06-29T09:14:02.161Z] 09:14:02     INFO - TEST-INFO | leakcheck | default process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.161Z] 09:14:02     INFO - TEST-INFO | leakcheck | tab process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.162Z] 09:14:02     INFO - TEST-INFO | leakcheck | gmplugin process: leak threshold set at 20000 bytes
[task 2023-06-29T09:14:02.163Z] 09:14:02     INFO - TEST-INFO | leakcheck | gpu process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.163Z] 09:14:02     INFO - TEST-INFO | leakcheck | vr process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.163Z] 09:14:02     INFO - TEST-INFO | leakcheck | rdd process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.164Z] 09:14:02     INFO - TEST-INFO | leakcheck | socket process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.164Z] 09:14:02     INFO - TEST-INFO | leakcheck | sandboxbroker process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.164Z] 09:14:02     INFO - TEST-INFO | leakcheck | forkserver process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.165Z] 09:14:02     INFO - TEST-INFO | leakcheck | utility process: leak threshold set at 0 bytes
[task 2023-06-29T09:14:02.165Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2487.log
[task 2023-06-29T09:14:02.166Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.166Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid3067.log
[task 2023-06-29T09:14:02.167Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.168Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2094.log
[task 2023-06-29T09:14:02.168Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.169Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2147.log
[task 2023-06-29T09:14:02.170Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.170Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid3187.log
[task 2023-06-29T09:14:02.171Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.172Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2705.log
[task 2023-06-29T09:14:02.173Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.173Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2774.log
[task 2023-06-29T09:14:02.175Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.176Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2622.log
[task 2023-06-29T09:14:02.177Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.178Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2986.log
[task 2023-06-29T09:14:02.180Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.180Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2039.log
[task 2023-06-29T09:14:02.182Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.182Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid3017.log
[task 2023-06-29T09:14:02.183Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.184Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2189.log
[task 2023-06-29T09:14:02.185Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.186Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2012.log
[task 2023-06-29T09:14:02.188Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.188Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_utility_pid2091.log
[task 2023-06-29T09:14:02.189Z] 09:14:02     INFO - TEST-PASS | leakcheck | utility no leaks detected!
[task 2023-06-29T09:14:02.190Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2802.log
[task 2023-06-29T09:14:02.191Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.191Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2380.log
[task 2023-06-29T09:14:02.193Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.194Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2981.log
[task 2023-06-29T09:14:02.195Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.196Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2463.log
[task 2023-06-29T09:14:02.197Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.198Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2191.log
[task 2023-06-29T09:14:02.199Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
[task 2023-06-29T09:14:02.200Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks.log
[task 2023-06-29T09:14:02.201Z] 09:14:02     INFO - 
[task 2023-06-29T09:14:02.201Z] 09:14:02     INFO - == BloatView: ALL (cumulative) LEAK AND BLOAT STATISTICS, default process 1951
[task 2023-06-29T09:14:02.202Z] 09:14:02     INFO - 
[task 2023-06-29T09:14:02.203Z] 09:14:02     INFO -      |<----------------Class--------------->|<-----Bytes------>|<----Objects---->|
[task 2023-06-29T09:14:02.203Z] 09:14:02     INFO -      |                                      | Per-Inst   Leaked|   Total      Rem|
[task 2023-06-29T09:14:02.204Z] 09:14:02     INFO -    0 |TOTAL                                 |       46     2688|347434520       37|
[task 2023-06-29T09:14:02.205Z] 09:14:02     INFO -  220 |CondVar                               |       80      160|    5228        2|
[task 2023-06-29T09:14:02.205Z] 09:14:02     INFO -  699 |Mutex                                 |       72      432|  380596        6|
[task 2023-06-29T09:14:02.206Z] 09:14:02     INFO -  700 |MutexSingleWriter                     |       80       80|       1        1|
[task 2023-06-29T09:14:02.207Z] 09:14:02     INFO - 1420 |TRRService                            |      856      856|       1        1|
[task 2023-06-29T09:14:02.207Z] 09:14:02     INFO - 1422 |TRRServiceBase                        |      200      200|       1        1|
[task 2023-06-29T09:14:02.208Z] 09:14:02     INFO - 1451 |ThreadEventTarget                     |       48       48|     684        1|
[task 2023-06-29T09:14:02.209Z] 09:14:02     INFO - 1456 |ThreadTargetSink                      |       16       16|     684        1|
[task 2023-06-29T09:14:02.209Z] 09:14:02     INFO - 2150 |nsNetworkLinkService                  |       56       56|       1        1|
[task 2023-06-29T09:14:02.210Z] 09:14:02     INFO - 2243 |nsStringBuffer                        |        8      152| 8010541       19|
[task 2023-06-29T09:14:02.211Z] 09:14:02     INFO - 2291 |nsThread                              |      440      440|     778        1|
[task 2023-06-29T09:14:02.211Z] 09:14:02     INFO - 2299 |nsTimer                               |       32       32|   54602        1|
[task 2023-06-29T09:14:02.212Z] 09:14:02     INFO - 2300 |nsTimerEvent                          |       40       40|   17425        1|
[task 2023-06-29T09:14:02.213Z] 09:14:02     INFO - 2301 |nsTimerImpl                           |      176      176|   54602        1|
[task 2023-06-29T09:14:02.213Z] 09:14:02     INFO - 
[task 2023-06-29T09:14:02.214Z] 09:14:02     INFO - nsTraceRefcnt::DumpStatistics: 2425 entries
[task 2023-06-29T09:14:02.215Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 2 CondVar
[task 2023-06-29T09:14:02.215Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 6 Mutex
[task 2023-06-29T09:14:02.216Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 MutexSingleWriter
[task 2023-06-29T09:14:02.216Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 TRRService
[task 2023-06-29T09:14:02.217Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 TRRServiceBase
[task 2023-06-29T09:14:02.218Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 ThreadEventTarget
[task 2023-06-29T09:14:02.218Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 ThreadTargetSink
[task 2023-06-29T09:14:02.219Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 nsNetworkLinkService
[task 2023-06-29T09:14:02.220Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 19 nsStringBuffer
[task 2023-06-29T09:14:02.220Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 nsThread
[task 2023-06-29T09:14:02.221Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 nsTimer
[task 2023-06-29T09:14:02.221Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 nsTimerEvent
[task 2023-06-29T09:14:02.222Z] 09:14:02     INFO - TEST-INFO | leakcheck | default leaked 1 nsTimerImpl
[task 2023-06-29T09:14:02.223Z] 09:14:02     INFO - TEST-UNEXPECTED-FAIL | leakcheck | default 2688 bytes leaked (CondVar, Mutex, MutexSingleWriter, TRRService, TRRServiceBase, ...)
[task 2023-06-29T09:14:02.223Z] 09:14:02     INFO - 
[task 2023-06-29T09:14:02.224Z] 09:14:02     INFO - leakcheck | Processing leak log file /tmp/tmp3dmohr_g.mozrunner/runtests_leaks_tab_pid2100.log
[task 2023-06-29T09:14:02.225Z] 09:14:02     INFO - TEST-PASS | leakcheck | tab no leaks detected!
```