[tor-bugs] #20377 [Applications/Tor Browser]: Tor Browser crashes when certain prefs are forced via autoconfig.js.

[Tor Bug Tracker & Wiki]

#20377: Tor Browser crashes when certain prefs are forced via autoconfig.js.
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     Reporter:  yawning                   |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-sandboxing
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 Firefox has a mechanism for overriding preferences, that would be useful
 for me to set sandboxed Tor Browser specific prefs, without resorting to
 the kludgy hack that I do now with writing out a `prefs.js` file.

 https://developer.mozilla.org/en-US/Firefox/Enterprise_deployment

 Tor Browser 6.0.5 appears to crash when
 `lockPref("extensions.update.enabled", false);` is including in the
 autoconfig.js file, though other prefs that I have tried appear to work
 fine.

 Minor for me since there are other ways I can do this.

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Ticket URL: <https://troodi.torproject.org/projects/tor/ticket/20377>
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