[tor-bugs] #11258 [Firefox Patch Issues]: Toggling permissions.memory_only causes crash of Tor Browser

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#11258: Toggling permissions.memory_only causes crash of Tor Browser
----------------------------------+---------------------------
 Reporter:  gk                    |          Owner:  mikeperry
     Type:  defect                |         Status:  new
 Priority:  major                 |      Milestone:
Component:  Firefox Patch Issues  |        Version:
 Keywords:  tbb-crash             |  Actual Points:
Parent ID:                        |         Points:
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 While investigating #9531 I run into an other reason for crashing when
 hitting New Identity:
 {{{
 WARNING: NS_ENSURE_TRUE(asyncCloseWasCalled) failed: file /home/firefox
 /tor-browser/storage/src/mozStorageConnection.cpp, line 943
 Assertion failure: !mAsyncExecutionThread, at /home/firefox/tor-
 browser/storage/src/mozStorageConnection.cpp:415

 Program ./Browser/firefox (pid = 30485) received signal 11.
 }}}
 Commenting out the code toggling "permissions.memory_only" seems to help.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11258>
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