Re: [tor-bugs] #23930 [Applications/Tor Browser]: Tor Browser 7.x for Mac crashes at startup

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#23930: Tor Browser 7.x for Mac crashes at startup
--------------------------------------+-----------------------------------
 Reporter:  wga                       |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:  tbb-crash                 |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+-----------------------------------
Changes (by mcs):

 * cc: arthuredelstein (added)


Comment:

 wga: Thank you for running the debug build and for posting the stack
 traces. We really appreciate your help. It looks like the crash is in the
 font code. Is there anything unusual about your system with respect to the
 installed fonts? Or do you have non-Apple software installed that could
 effect which fonts are available to Tor Browser?

 arthuredelstein: Do you have any idea what could cause this crash? If you
 look at comment:19 you will see that the debug build crashed due to an
 assertion failure in `gfxFontGroup::AddFamilyToFontList()`. The source
 line is:
 {{{
 NS_ASSERTION(aFamily, "trying to add a null font family to fontlist");
 }}}
 I vaguely remember that a different OSX user experienced a similar problem
 with an older version of Tor Browser, but I cannot find a ticket.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23930#comment:20>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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