Re: [tor-bugs] #10371 [Obfsproxy]: Obfsproxy memory leak

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#10371: Obfsproxy memory leak
------------------------+-----------------------------------
 Reporter:  taher12112  |          Owner:
     Type:  defect      |         Status:  needs_information
 Priority:  Medium      |      Milestone:
Component:  Obfsproxy   |        Version:
 Severity:  Normal      |     Resolution:
 Keywords:  obfsproxy   |  Actual Points:
Parent ID:              |         Points:
  Sponsor:              |
------------------------+-----------------------------------
Changes (by htfy96):

 * severity:   => Normal


Comment:

 This also happens on my VPS.

 System: Linux 2.6.32-042stab102.9 #1(OpenVZ) SMP Fri Dec 19 20:34:40 MSK
 2014 x86_64 GNU/Linux
 Distribution: Debian GNU/Linux 8 (jessie)

 Obfsproxy was installed by `pip install obfsproxy`, and the version is
 0.2.13.

 How to reproduce it:

 {{{
 nohup obfsproxy --data-dir=/tmp/scramblesuit-server scramblesuit
 --password=.... --dest=public-ip-of-VPS:2507 server public-ip-of-VPS:25070
 &
 }}}

 Usually the program would occupy around 150MB memory after a whole day,
 and crashes after 2 or 3 days.

 I also set `--log-file=obfsproxy.log --log-min-severity warning`, but it
 seems that no information was recorded before crash:


 {{{
 2016-02-03 00:53:54,028 [WARNING] Obfsproxy (version: 0.2.13) starting up.
 2016-02-03 00:53:54,028 [ERROR]

 ################################################
 Do NOT rely on ScrambleSuit for strong security!
 ################################################

 2016-02-03 18:24:49,026 [WARNING] The HMAC was already present in the
 replay table.
 2016-02-05 19:37:02,197 [WARNING] The HMAC was already present in the
 replay table.
 # 2016-02-08 around 00:00 it crashed
 # Manually restart it
 2016-02-08 00:14:01,662 [WARNING] Obfsproxy (version: 0.2.13) starting up.
 2016-02-08 00:14:01,663 [ERROR]

 ################################################
 Do NOT rely on ScrambleSuit for strong security!
 ################################################
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10371#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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