[tbb-bugs] #18310 [Applications/Tor Browser]: Build TBBs Tor with -ftrapv

Thu Feb 16 23:14:41 UTC 2017

#18310: Build TBBs Tor with -ftrapv
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 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by teor):

 We built tor with -ftrapv by default early in the 0.2.9 series, then
 backed this out as a denial of service risk (#21290).

 I would strongly recommend we *don't* build Tor Browser's tor with -ftrapv
 by default.

 More information:
 https://trac.torproject.org/projects/tor/wiki/doc/TorFragileHardening

 Discussion on tbb-dev about the tbb "hardened" series:
 https://lists.torproject.org/pipermail/tbb-dev/2017-February/000457.html

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18310#comment:1>
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