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Re: [tor-bugs] #21302 [Core Tor/Tor]: hs: Multiple service issues



#21302: hs: Multiple service issues
--------------------------+------------------------------------
 Reporter:  dgoulet       |          Owner:  dgoulet
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.2.9.8
 Severity:  Normal        |     Resolution:
 Keywords:  tor-hs        |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by nickm):

 In a82e572e9ff5994d2ba14dcc1a25995f6bdda9b7, how do we know that
 count_intro_point_circuits() is always greater than expiring_nodes_len?
 In other words, how can we be sure that this subtraction never underflows:
 {{{
 +  num_ip_circuits = count_intro_point_circuits(service) -
 expiring_nodes_len;
 }}}

 The other commits look okay to me, if you've tested them.  (We've actually
 removed something with the loop in
 0342c1a82c56ad1f9ae9b8a536f32355640dc4bd, yeah?)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21302#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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