Filed by: aciure [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=215486597&repo=autoland https://queue.taskcluster.net/v1/task/FoKmBSzaS-2xlXKwrlwkKw/runs/0/artifacts/public/logs/live_backing.log 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 SandboxPrivate 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 ServiceWorkerInfo 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 ServiceWorkerPrivate 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 ServiceWorkerRegistrationInfo 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 ThreadEventTarget 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 ThreadTargetSink 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 ThrottledEventQueue 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 ThrottledEventQueue::Inner 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 WeakReference<WebExtensionPolicy> 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 WorkerCSPEventListener 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 WorkerEventTarget 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 WorkerLoadInfo 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 WorkerPrivate 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 mozilla::dom::cache::Cache 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 mozilla::dom::cache::CacheStorage 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsAuthURLParser 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsCategoryObserver 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 nsHttpAuthCache::OriginClearObserver 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsHttpHandler 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsHttpRequestHead 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsIOService 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 nsJSPrincipals 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsLoadGroup 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 2 nsMainThreadPtrHolder<T> 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsSiteSecurityService 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsSocketTransportService 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 3 nsStandardURL 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsStreamLoader 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 40 nsStringBuffer 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 38 nsTArray_base 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsThread 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsTimer 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 1 nsTimerImpl 16:15:12 INFO - TEST-INFO | leakcheck | tab leaked 11 nsWeakReference 16:15:12 INFO - TEST-UNEXPECTED-FAIL | leakcheck | tab 15864 bytes leaked (ChannelEventQueue, CompareManager, CompareNetwork, CondVar, ConsoleReportCollector, ...) 16:15:12 INFO - 16:15:12 INFO - leakcheck | Processing leak log file /var/folders/q2/t9n14kms3l9b5hjvfhnkjb_w00000x/T/tmp_P6zYD.mozrunner/runtests_leaks_659_tab_pid1350.log

It looks like this is happening in Service Worker WPT tests. 16:15:11 INFO - PID 1346 | Leaked URLs: 16:15:11 INFO - PID 1346 | https://web-platform.test:8443/testharness_runner.html 16:15:11 INFO - PID 1346 | https://web-platform.test:8443/service-workers/service-worker/resources/ 16:15:11 INFO - PID 1346 | https://web-platform.test:8443/service-workers/service-worker/resources/worker-load-interceptor.js Leak checking has only been recently enabled for WPT tests.

This occurred when Bug 1352355 landed, James, can you take a look?

Treeherder retriggers: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedJob=215481494&searchStr=os%2Cx%2C10.10%2Cdebug%2Cweb%2Cplatform%2Ctests%2Cwith%2Ce10s%2Ctest-macosx64%2Fdebug-web-platform-tests-e10s-16%2Cw-e10s%28wpt16%29&tochange=36c4c80ddc1a12665af8cbcaef716e384caab99e&fromchange=da4789ed7ec046470b3662ec5c26973398f042cd

Pushed by james@hoppipolla.co.uk: https://hg.mozilla.org/integration/autoland/rev/d9a3b54ccbf3 Allow tab leaks for fetch and service-worker tests, r=mccr8