1395361 - Crash in mozilla::dom::CoalescedMouseMoveFlusher::StartObserver

Status: RESOLVED FIXED

(Core :: DOM: UI Events & Focus Handling, defect)

Description

[Marcia Knous [:marcia]]

This bug was filed from the Socorro interface and is 
report bp-dfc9e576-bb37-495c-b1ab-e27570170827.
=============================================================

Seen while looking at crash stats - crashes started using 20170826213134: http://bit.ly/2wjwYTf. 7 crashes/3 installs so far

Code was touched in Bug 1361067. ni on stone

Comment 1

[Ming-Chou Shih [:stone]]

Attachment: Avoid using mCoalescedMouseEventFlusher after it's destroyed

This may be caused by accessing to mCoalescedMouseEventFlusher after TabChild::DestroyWindow. Add some checks and monitor if this still exists.

Comment 2

[Ming-Chou Shih [:stone]]

https://treeherder.mozilla.org/#/jobs?repo=try&revision=850f1d59b0b9d1f453f0d51e3cb98ffad949e4c6

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/19078068a74b
Avoid using mCoalescedMouseEventFlusher after it's destroyed. r=smaug.

Comment 4

[Ming-Chou Shih [:stone]]

Add leave-open and keep an eye on this to make sure it's resolved.

Comment 5

[Wes Kocher (:KWierso) (Not reading bugmail; email directly if needed)]

https://hg.mozilla.org/mozilla-central/rev/19078068a74b

Comment 6

[Jim Mathies [:jimm]]

No reports since 8-31.

Comment 7

[Firefox Bug Husbandry Bot]

Removing leave-open keyword from resolved bugs, per :sylvestre.