[tbb-bugs] #28874 [Applications/Tor Browser]: https://browserleaks.com/webgl crashes tab on 64bit Tor Browser for Windows

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Dec 18 07:57:15 UTC 2018


#28874: https://browserleaks.com/webgl crashes tab on 64bit Tor Browser for Windows
---------------------------------------------+-----------------------------
 Reporter:  gk                               |          Owner:  tbb-team
     Type:  defect                           |         Status:
                                             |  needs_information
 Priority:  High                             |      Milestone:
Component:  Applications/Tor Browser         |        Version:
 Severity:  Normal                           |     Resolution:
 Keywords:  tbb-crash, TorBrowserTeam201812  |  Actual Points:
Parent ID:                                   |         Points:
 Reviewer:                                   |        Sponsor:
---------------------------------------------+-----------------------------

Comment (by gk):

 Replying to [comment:3 gk]:
 > Does the vanilla 64bit build work for you, cypherpunk? (see:
 https://queue.taskcluster.net/v1/task/crV_nUFPRjarCLDD-
 mmZRQ/runs/0/artifacts/public/build/target.zip for an artifact. Unzipping
 the `target.zip` should give you a firefox folder to test).

 That one is crashing as well. It seems the user hits
 {{{
         if (!mResolvedDefaultFB) {
             gfxCriticalNote << funcName << ": Failed to create
 mResolvedDefaultFB.";
             return false;
         }
 }}}
 in dom/canvas/WebGLContext.cpp immediately before the crash.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28874#comment:4>
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