1456863 - Intermittent LeakSanitizer | leak at Realloc, nsTSubstring, nsTSubstring, nsTSubstring

Status: RESOLVED FIXED

(Core :: Networking, defect, P2)

Description

[Treeherder Bug Filer]

Filed by: ncsoregi [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=175534549&repo=autoland

https://queue.taskcluster.net/v1/task/Bx3D-yeaSainIYGBeOAyBg/runs/0/artifacts/public/logs/live_backing.log

[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) | Suppressions used:
[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) |   count      bytes template
[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) |      11       2824 libc.so
[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) |     673      21680 nsComponentManagerImpl
[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) |      48       9984 mozJSComponentLoader::LoadModule
[task 2018-04-25T14:24:02.949Z] 14:24:02     INFO - GECKO(2294) |     611      17509 libfontconfig.so
[task 2018-04-25T14:24:02.950Z] 14:24:02     INFO - GECKO(2294) |      12        528 _PR_Getfd
[task 2018-04-25T14:24:02.950Z] 14:24:02     INFO - GECKO(2294) |       1         29 libglib-2.0.so
[task 2018-04-25T14:24:02.950Z] 14:24:02     INFO - GECKO(2294) | -----------------------------------------------------
[task 2018-04-25T14:24:02.950Z] 14:24:02     INFO - GECKO(2294) | SUMMARY: AddressSanitizer: 20480 byte(s) leaked in 4 allocation(s).
[task 2018-04-25T14:24:03.156Z] 14:24:03     INFO - TEST-INFO | Main app process: exit 0
[task 2018-04-25T14:24:03.159Z] 14:24:03     INFO - TEST-INFO | LeakSanitizer | To show the addresses of leaked objects add report_objects=1 to LSAN_OPTIONS
[task 2018-04-25T14:24:03.160Z] 14:24:03     INFO - TEST-INFO | LeakSanitizer | This can be done in testing/mozbase/mozrunner/mozrunner/utils.py
[task 2018-04-25T14:24:03.162Z] 14:24:03    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at Realloc, nsTSubstring, nsTSubstring, nsTSubstring
[task 2018-04-25T14:24:03.164Z] 14:24:03    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at Alloc, nsTSubstring, nsTSubstring, nsTSubstring
[task 2018-04-25T14:24:03.174Z] 14:24:03    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at NewPage, Push, PutEvent, mozilla::PrioritizedEventQueue

Comment 1

[Intermittent Failures Robot]

18 failures in 168 pushes (0.107 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* mozilla-inbound: 7
* autoland: 6
* mozilla-central: 5

Platform breakdown:
* linux64: 18

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1456863&startday=2018-04-26&endday=2018-04-26&tree=trunk

Comment 2

[Cosmin Sabou [:CosminS]]

Hello! I did some retriggers to find the culprit form this fail and this is what I found:

This is the range: https://treeherder.mozilla.org/#/jobs?repo=autoland&filter-searchStr=asan%20opt-mochitest-browser-chrome-e10s&tochange=204bb43af94351678a0a639bbc0bc7476e91d3aa&fromchange=dc29c23f44b3e4ba52166257bd9ad76d7967d9c8

This is the push with caused it: https://treeherder.mozilla.org/#/jobs?repo=autoland&revision=204bb43af94351678a0a639bbc0bc7476e91d3aa&filter-searchStr=asan%20opt-mochitest-browser-chrome-e10s&selectedJob=175980383

It has a failure rate of 25 fails from 60 jobs. Valentin could you please take a look at this? Thank you.

Comment 3

[Intermittent Failures Robot]

23 failures in 127 pushes (0.181 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 11
* mozilla-inbound: 6
* mozilla-central: 3
* mozilla-beta: 2
* try: 1

Platform breakdown:
* linux64: 23

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1456863&startday=2018-04-27&endday=2018-04-27&tree=trunk

Comment 4

[Intermittent Failures Robot]

72 failures in 780 pushes (0.092 failures/push) were associated with this bug in the last 7 days. 

This is the #10 most frequent failure this week.  

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **  

Repository breakdown:
* autoland: 35
* mozilla-inbound: 18
* mozilla-central: 10
* try: 6
* mozilla-beta: 3

Platform breakdown:
* linux64: 72

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1456863&startday=2018-04-23&endday=2018-04-29&tree=trunk

Comment 5

[Valentin Gosu [:valentin] (he/him)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/da9fc8721d47fe25c26371517829e6d8082cadb0
Bug 1456863 - Backed out bug 356831 (changeset 204bb43af943) for leaks r=me

Comment 6

[Intermittent Failures Robot]

26 failures in 82 pushes (0.317 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 17
* try: 3
* mozilla-inbound: 3
* mozilla-central: 3

Platform breakdown:
* linux64: 26

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1456863&startday=2018-04-30&endday=2018-04-30&tree=trunk

Comment 7

[Valentin Gosu [:valentin] (he/him)]

Fixed:

https://hg.mozilla.org/mozilla-central/rev/da9fc8721d47fe25c26371517829e6d8082cadb0
Bug 1456863 - Backed out bug 356831 (changeset 204bb43af943) for leaks r=me

Comment 8

[Intermittent Failures Robot]

27 failures in 551 pushes (0.049 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 16
* try: 4
* mozilla-inbound: 3
* mozilla-central: 3
* mozilla-beta: 1

Platform breakdown:
* linux64: 27

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1456863&startday=2018-04-30&endday=2018-05-06&tree=trunk