Re: [tor-bugs] #21962 [Applications/Tor Browser]: Segmentation fault with "high" security when changing in about:addons to "Extensions" or "Appearance"

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

#21962: Segmentation fault with "high" security when changing in about:addons to
"Extensions" or "Appearance"
-------------------------------------------------+-------------------------
 Reporter:  viktorj                              |          Owner:  mcs
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Major                                |     Resolution:
 Keywords:  tbb-crash, tbb-usability, ff52-esr,  |  Actual Points:
  tbb-7.0-must-alpha, TorBrowserTeam201704R      |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor4
-------------------------------------------------+-------------------------

Comment (by arthuredelstein):

 This patch also looks good to me. A couple of nitpicky questions occur to
 me:
  * Are there cases when checkedSystemPrincipal is false but topDocSpec
 remains empty?
  * I wonder if it might be worth moving the appropriate printf statements
 into the if...else part around line 150. Might simplify the code a bit.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21962#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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