[tbb-bugs] #18778 [Applications/Tor Browser]: TBB hangs with 100% CPU when cancelling ftp download or http channel Listener OnDataAvailable contract violation

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#18778: TBB hangs with 100% CPU when cancelling ftp download or http channel
Listener OnDataAvailable contract violation
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 Reporter:  bugzilla                  |          Owner:  tbb-team
     Type:  defect                    |         Status:  assigned
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-crash                 |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by bugzilla):

 When cancelling Download in pdf.js (6.5a2)
 {{{
 NS_ERROR_FAILURE: Component returned failure code: 0x80004005
 (NS_ERROR_FAILURE) [nsIExternalHelperAppService.doContent]
 PdfStreamConverter.jsm:306:0
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18778#comment:6>
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