Closed Bug 1645544 Opened 5 years ago Closed 5 years ago

JSProcessActors crash on some observers

Categories

(Core :: DOM: Content Processes, defect)

defect

Tracking

()

RESOLVED FIXED
mozilla79
Tracking Status
firefox79 --- fixed

People

(Reporter: enndeakin, Assigned: enndeakin)

References

Details

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(1 file)

I've found that JSProcessActor crashes sometimes in JSProcessActorProtocol::Observe because ContentChild::GetSingleton returns null. I suspect that some observer notifications happen during process startup/shutdown.

The following is one such try-run that crashed:

https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=305949916&repo=try&lineNumber=6458

Blocks: 1645633
Pushed by neil@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/d7f5ae0739a6 null-check on ContentChild to prevent crash, r=nika
Status: NEW → RESOLVED
Closed: 5 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla79
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