[tor-bugs] #23023 [Core Tor/Tor]: test: some prop224 unit tests fail only sometimes

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#23023: test: some prop224 unit tests fail only sometimes
------------------------------+----------------------------------------
     Reporter:  dgoulet       |      Owner:  dgoulet
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.2.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-tests, prop224, tor-hs
Actual Points:                |  Parent ID:
       Points:  0.1           |   Reviewer:
      Sponsor:  SponsorR-can  |
------------------------------+----------------------------------------
 Diagnostic from nickm.

 {{{
 11:44 <+nickm> dgoulet, asn: There are two bugs in test_hs_service.c that
 make it fail sometimes
 11:44 <+nickm> on line 541
 11:45 <+nickm> bug 1: you're setting one byte of the public key to 0x42.
 But that byte might already be 0x42!
 11:45 <+nickm> Instead use xor
 11:45 <+nickm> bug 2: You are changing the key of an item that's already
 inserted in the hashtable.
 11:45 <+nickm> That can fail when you go to  insert the item with the
 changed key
 11:46 <+nickm> because with probability 1/N_BUCKETS, the item with the
 changed key will go into the same bucket as it went into the first time...
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23023>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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