[tor-bugs] #33651 [Core Tor/Tor]: Suspicious "fetched this many bytes" counts from #32720

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Mar 19 04:36:00 UTC 2020


#33651: Suspicious "fetched this many bytes" counts from #32720
------------------------------+--------------------
     Reporter:  arma          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+--------------------
 Following #32720, now I have these log messages in my Tor client:
 {{{
 Mar 17 17:52:52.004 [notice] Bootstrapped 100% (done): Done
 Mar 17 23:52:49.170 [notice] Heartbeat: Tor's uptime is 6:00 hours, with 0
 circuits open. I've sent 166.22 MB and received 5.25 GB.
 Mar 17 23:52:49.178 [notice] While bootstrapping, fetched this many bytes:
 Mar 17 23:52:49.178 [notice]     542559 (consensus network-status fetch)
 Mar 17 23:52:49.178 [notice] While not bootstrapping, fetched this many
 bytes:
 Mar 17 23:52:49.178 [notice]     542559 (consensus network-status fetch)
 Mar 17 23:52:49.178 [notice] Average packaged cell fullness: 52.843%. TLS
 write overhead: 3%
 Mar 18 17:01:52.177 [notice] Your system clock just jumped 44387 seconds
 forward; assuming established circuits no longer work.
 Mar 18 18:12:33.010 [notice] Heartbeat: Tor's uptime is 11:59 hours, with
 0 circuits open. I've sent 166.25 MB and received 5.25 GB.
 Mar 18 18:12:33.011 [notice] While bootstrapping, fetched this many bytes:
 Mar 18 18:12:33.011 [notice]     542559 (consensus network-status fetch)
 Mar 18 18:12:33.011 [notice] While not bootstrapping, fetched this many
 bytes:
 Mar 18 18:12:33.011 [notice]     542559 (consensus network-status fetch)
 Mar 18 18:12:33.011 [notice] Average packaged cell fullness: 52.898%. TLS
 write overhead: 3%
 Mar 19 00:12:33.013 [notice] Heartbeat: Tor's uptime is 17:59 hours, with
 0 circuits open. I've sent 166.26 MB and received 5.25 GB.
 Mar 19 00:12:33.013 [notice] While bootstrapping, fetched this many bytes:
 Mar 19 00:12:33.013 [notice]     542559 (consensus network-status fetch)
 Mar 19 00:12:33.013 [notice] While not bootstrapping, fetched this many
 bytes:
 Mar 19 00:12:33.013 [notice]     542559 (consensus network-status fetch)
 Mar 19 00:12:33.013 [notice] Average packaged cell fullness: 52.953%. TLS
 write overhead: 3%
 }}}

 I'm running
 {{{
 Tor 0.4.4.0-alpha-dev (git-d4595b344a1a3254) running on Linux with
 Libevent 2.1.8-stable, OpenSSL 1.1.1d, Zlib 1.2.11, Liblzma 5.2.4, and
 Libzstd N/A.
 }}}

 It is surprising to me that I have the same number while bootstrapping and
 while not bootstrapping, and that number doesn't seem to go up.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33651>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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