[tor-bugs] #29706 [Core Tor/Tor]: Test failure due to memory leaks in shared-random unit tests

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#29706: Test failure due to memory leaks in shared-random unit tests
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  teor
     Type:  defect                               |         Status:
                                                 |  merge_ready
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.4.1.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.9.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-ci, tor-test, memory-            |  Actual Points:  0.5
  management, 029-backport-partial,              |
  034-backport, 035-backport, 040-backport       |
Parent ID:                                       |         Points:  0.5
 Reviewer:  asn                                  |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by nickm):

 quick question here -- when we are about to call state_query_del_, do we
 need a check to make sure that the value we are about to assign is not the
 same pointer as the previous value?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29706#comment:4>
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