[tor-bugs] #21027 [Core Tor/Tor]: tor_bug_occurred_(): Bug: src/or/entrynodes.c:816: entry_guard_add_to_sample_impl: Non-fatal assertion !(have_sampled_guard_with_id(gs, rsa_id_digest)) failed. (on Tor 0.3.0.0-alpha-dev 8b75261b6dc341de)

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Feb 13 20:26:07 UTC 2017


#21027: tor_bug_occurred_(): Bug: src/or/entrynodes.c:816:
entry_guard_add_to_sample_impl: Non-fatal assertion
!(have_sampled_guard_with_id(gs, rsa_id_digest)) failed. (on Tor 0.3.0.0
-alpha-dev 8b75261b6dc341de)
-------------------------------------------------+-------------------------
 Reporter:  asn                                  |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.0.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-guard, tor-guards-revamp,        |  Actual Points:
  regression                                     |
Parent ID:                                       |         Points:  1
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by nickm):

 * status:  assigned => needs_review


Comment:

 Oh. Now I think I get it.  There's a possibility that the same bridge is
 listed twice among our bridges in bridge_list_get().  If that happens, if
 we go to add two bridges at a time for some reason, we'll add that bridge
 twice.

 Does my branch `bug21027_testing` branch make this bug go away?  Or does
 it change the warning at all?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21027#comment:16>
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