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Re: [tor-bugs] #22362 [Applications/Tor Browser]: Tor Browser freezes when loading https://www.facebook.com/tr/ on a website

#22362: Tor Browser freezes when loading https://www.facebook.com/tr/ on a website
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Major                                |     Resolution:
 Keywords:  noscript, GeorgKoppen201707,         |  Actual Points:
  TorBrowserTeam201707                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by gk):

 * keywords:  noscript, GeorgKoppen201707, TorBrowserTeam201707R =>
     noscript, GeorgKoppen201707, TorBrowserTeam201707
 * status:  reopened => needs_revision


Comment:

 Replying to [comment:25 ma1]:
 > Of course disabling the XSS filter is an undesirable work-around.
 >
 > Turns out that this bug was due to the JSON-stripping optimization being
 completely turned off by a regression.
 >
 > Should be fixed in [https://noscript.net/getit#devel latest development
 build] 5.0.6rc5, please check thanks.

 Testing with 5.0.6 seems to indicate that there is still something not
 working as expected:
 {{{
 [07-10 13:12:00] Torbutton INFO: tor SOCKS: https://www.facebook.com/tr/
 via
                        zeit.de:73bb9561126604354e4dfe26f54a59dd
 SyntaxError: invalid range in character class
 InjectionChecker.reduceJSON@chrome://noscript/content/InjectionChecker.js:167:15
 InjectionChecker_checkJSBreak@chrome://noscript/content/InjectionChecker.js:475:30
 InjectionChecker.checkJS@chrome://noscript/content/InjectionChecker.js:748:70
 InjectionChecker._checkRecursive@chrome://noscript/content/InjectionChecker.js:997:30
 InjectionChecker.checkRecursive@chrome://noscript/content/InjectionChecker.js:992:12
 InjectionChecker.checkRecursive@chrome://noscript/content/InjectionChecker.js:967:33
 InjectionChecker.checkPostStream/<@chrome://noscript/content/InjectionChecker.js:1165:11
 PostChecker.prototype.check@chrome://noscript/content/InjectionChecker.js:1259:17
 InjectionChecker.checkPostStream@chrome://noscript/content/InjectionChecker.js:1162:13
 InjectionChecker.checkPost@chrome://noscript/content/InjectionChecker.js:1156:12
 RequestWatchdog.prototype.filterXSS@chrome://noscript/content/RequestWatchdog.js:789:46
 RequestWatchdog.prototype.onHttpStart/<@chrome://noscript/content/RequestWatchdog.js:148:18
 DOSChecker.prototype.run@chrome://noscript/content/RequestWatchdog.js:1104:22
 RequestWatchdog.prototype.onHttpStart@chrome://noscript/content/RequestWatchdog.js:146:9
 MainParent["http-on-modify-
 request"].observe@chrome://noscript/content/MainParent.js:82:24

 TypeError: unsafeRequest.window is null
 }}}
 Just opening zeit.de and waiting should give you that syntax error.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22362#comment:30>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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