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Re: [tor-bugs] #18397 [Core Tor/Tor]: `Sandbox 1` in Tor 0.2.7.6 should not filter `getsockopt` syscall



#18397: `Sandbox 1` in Tor 0.2.7.6 should not filter `getsockopt` syscall
-------------------------------------------------+-------------------------
 Reporter:  fowlslegs                            |          Owner:  nickm
     Type:  defect                               |         Status:
 Priority:  High                                 |  needs_information
Component:  Core Tor/Tor                         |      Milestone:  Tor:
 Severity:  Major                                |  0.2.???
 Keywords:  seccomp, sandbox, getsockopt,        |        Version:  Tor:
  027-backport                                   |  0.2.7.6
Parent ID:                                       |     Resolution:
 Reviewer:                                       |  Actual Points:
                                                 |         Points:
                                                 |        Sponsor:
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Comment (by Jigsaw52):

 I was able to reproduce this issue with the following configuration:

 OS: Ubuntu Server 16.04 64bits
 Minimal virtual machine install option chosen when installing (F4 menu).
 tor version: 0.2.7.6 (git-605ae665009853bd)
 Packages installed:
 tor
 apparmor-profiles
 apparmor-profiles-extra

 Virtualization software: virtualbox 5.0.24
 Host OS: Ubuntu Server 15.10 64bits

 systemd uses the following command to start tor: /usr/bin/tor --defaults-
 torrc /usr/share/tor/tor-service-defaults-torrc -f /etc/tor/torrc
 --RunAsDaemon 0
 tor is started under user debian-tor

 The only changes in the torrc config file where:
  - enabling debug log
  - adding Sandbox 1

 Relevant files (tor-service-defaults-torrc, torrc and debug.log) are
 attached.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18397#comment:10>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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