[tor-bugs] #27813 [Core Tor/Tor]: Tor 0.3.4.8 is leaking memory

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Nov 2 05:01:32 UTC 2018


#27813: Tor 0.3.4.8 is leaking memory
-------------------------------------------------+-------------------------
 Reporter:  anong                                |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.5.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.4.8
 Severity:  Critical                             |     Resolution:
 Keywords:  regression? memleak oom              |  Actual Points:
  034-backport tor-relay 035-must                |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by rm):

 Replying to [comment:33 dgoulet]:
 > but on the `Send-Q` side, because the entire network running <= 0.3.4.8
 still have that issue, it will keep filling up.
 >
 > Until we roll out 0.3.4.9 and everyone updates, it won't fully go away
 :S.

 What? You are saying remote peers can do something (no matter what) which
 causes you to leak memory and eventually get OOM? I.e. basically Tor has a
 remote DoS vulnerability? And your solution for that is to kindly ask
 everyone to stop doing that (upgrade versions)? You can't be serious.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27813#comment:34>
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