[tor-bugs] #31107 [Core Tor/Tor]: channel: channel_tls_handle_cell() CELL_VERSIONS code reached

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Sep 17 13:25:10 UTC 2019


#31107: channel: channel_tls_handle_cell() CELL_VERSIONS code reached
-------------------------------------------------+-------------------------
 Reporter:  dgoulet                              |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  accepted
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.4.2.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-relay, tor-channel 042-must      |  Actual Points:  .1
  029-backport? 035-backport 040-backport        |
  041-backport BugSmashFund                      |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by nickm):

 The right solution here is to make this `tor_fragile_assert()` into a
 protocol warning, since it happens when somebody else is violating the
 protocol.  It is not a security issue or a crash after all. (Hooray!)

 0.2.9 fix: bug31107_029. PR at https://github.com/torproject/tor/pull/1330

 The merge forward is clean; these branches are for CI.

 0.3.5 fix: bug31107_035. PR at https://github.com/torproject/tor/pull/1331
 0.4.0 fix: bug31107_040. PR at https://github.com/torproject/tor/pull/1332
 0.4.1 fix: bug31107_041. PR at https://github.com/torproject/tor/pull/1333
 0.4.2 fix: bug31107_master. PR at
 https://github.com/torproject/tor/pull/1334

 I'll put this in needs_review once CI is passing.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31107#comment:12>
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