1395532 - Crash with native firewall and Voice over enabled in JSAutoCompartment::JSAutoCompartment | mozilla::dom::PostMessageEvent::Run (dom.ipc.scheduler.chaoticScheduling)

Status: RESOLVED WONTFIX

(Core :: DOM: Content Processes, defect, P5)

Description

[roxleitan]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:57.0) Gecko/20100101 Firefox/57.0
Build ID: 20170830220349

[Affected versions]:
Nightly 57.0a1

[Affected platforms]:
Mac OS X 10.12

[Steps to reproduce]:
1.Enable Voice Over 
2.Enable native Firewall
3.Launch Nightly 57.0a1 with a new profile
4.Set in about:config 
dom.ipc.scheduler=true;
dom.ipc.scheduler.chaoticScheduling=true; 
dom.ipc.scheduler.threadCount=16
5.Navigate to facebook.com
6.Open a link from facebook page in a new tab

[Expected result]:
The page should be opened in a new tab

[Actual result]:
The new tab is opened and crashes
https://crash-stats.mozilla.com/report/index/e0403a98-5976-41ce-a59b-a688d0170831

[Note]:
Using the STR 2-6 (with Voice Over disabled):  
https://crash-stats.mozilla.com/report/index/ea285d59-3a03-4f1d-a368-9a18a0170831

Comment 1

[David Bolter [:davidb] (NeedInfo me for attention)]

Please reopen if dom ipc scheduler comes back to life.