Bug: Intermittent LeakSanitizer | leak at js_pod_arena_malloc, maybe_pod_arena_malloc, AllocateNewAtom, atomizeAndCopyChars
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-03-03 15:57:52+00:00
Resolved: 2021-03-30 17:04:37+00:00

**Filed by:** ncsoregi [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=331909524&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PFrvaropSiCGraeskTr36g/runs/0/artifacts/public/logs/live_backing.log

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```
[task 2021-03-03T14:51:07.034Z] 14:51:07     INFO - GECKO(1939) | -----------------------------------------------------
[task 2021-03-03T14:51:07.034Z] 14:51:07     INFO - GECKO(1939) | SUMMARY: AddressSanitizer: 371961 byte(s) leaked in 1116 allocation(s).
[task 2021-03-03T14:51:08.357Z] 14:51:08     INFO - GECKO(1939) | -----------------------------------------------------
[task 2021-03-03T14:51:08.358Z] 14:51:08     INFO - GECKO(1939) | Suppressions used:
[task 2021-03-03T14:51:08.359Z] 14:51:08     INFO - GECKO(1939) |   count      bytes template
[task 2021-03-03T14:51:08.360Z] 14:51:08     INFO - GECKO(1939) |      38       1136 nsComponentManagerImpl
[task 2021-03-03T14:51:08.360Z] 14:51:08     INFO - GECKO(1939) |     633      18083 libfontconfig.so
[task 2021-03-03T14:51:08.361Z] 14:51:08     INFO - GECKO(1939) |      80      30368 libcairo.so
[task 2021-03-03T14:51:08.361Z] 14:51:08     INFO - GECKO(1939) |      88      16967 libglib-2.0.so
[task 2021-03-03T14:51:08.362Z] 14:51:08     INFO - GECKO(1939) |     158      82160 libpixman-1.so
[task 2021-03-03T14:51:08.362Z] 14:51:08     INFO - GECKO(1939) |      20        560 libresolv.so
[task 2021-03-03T14:51:08.363Z] 14:51:08     INFO - GECKO(1939) |       3        624 mozJSComponentLoader
[task 2021-03-03T14:51:08.363Z] 14:51:08     INFO - GECKO(1939) | -----------------------------------------------------
[task 2021-03-03T14:51:08.480Z] 14:51:08     INFO - TEST-INFO | Main app process: exit 0
[task 2021-03-03T14:51:08.480Z] 14:51:08     INFO - TEST-INFO | LeakSanitizer | To show the addresses of leaked objects add report_objects=1 to LSAN_OPTIONS
[task 2021-03-03T14:51:08.480Z] 14:51:08     INFO - TEST-INFO | LeakSanitizer | This can be done in testing/mozbase/mozrunner/mozrunner/utils.py
[task 2021-03-03T14:51:08.480Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at js_pod_arena_malloc, maybe_pod_arena_malloc, AllocateNewAtom, atomizeAndCopyChars
[task 2021-03-03T14:51:08.480Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at updateSlotsForSpan, setLastProperty, getChildDataProperty, js::NativeObject::addDataPropertyInternal
[task 2021-03-03T14:51:08.480Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at js_new, MakeUnique, MakeShapeSet, js::PropertyTree::insertChild
[task 2021-03-03T14:51:08.480Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at JSFunction::delazifySelfHostedLazyFunction, JSFunction::getOrCreateScript, Interpret, js::RunScript
[task 2021-03-03T14:51:08.481Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at js_pod_arena_malloc, maybe_pod_arena_malloc, make_pod_arena_array, InternalConstruct
[task 2021-03-03T14:51:08.481Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at mozilla::DOMEventTargetHelper::DispatchEvent, mozilla::dom::EventTarget::DispatchEvent, js_pod_arena_malloc, maybe_pod_arena_malloc
[task 2021-03-03T14:51:08.481Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at maybe_pod_arena_malloc, pod_malloc, CopyScopeData, js::FunctionScope::clone
[task 2021-03-03T14:51:08.482Z] 14:51:08    ERROR - TEST-UNEXPECTED-FAIL | LeakSanitizer | leak at unknown stack```