Re: [tor-bugs] #17827 [Tor]: Different return type of backtrace function on FreeBSD

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#17827: Different return type of backtrace function on FreeBSD
---------------------------------------+-----------------------------------
 Reporter:  cypherpunks                |          Owner:
     Type:  defect                     |         Status:  new
 Priority:  Medium                     |      Milestone:  Tor:
Component:  Tor                        |  0.2.8.x-final
 Severity:  Normal                     |        Version:
 Keywords:  027-backport freebsd easy  |     Resolution:
Parent ID:                             |  Actual Points:
  Sponsor:                             |         Points:
---------------------------------------+-----------------------------------

Comment (by cypherpunks):

 The FreeBSD versions of `backtrace_symbols` and `backtrace_symbols_fd`
 also expect their `len` parameter to be `size_t`. So we need to make sure
 `depth` is larger than zero to prevent overflow issues.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17827#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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