[tor-bugs] #22516 [Core Tor/Tor]: tor fails to start with 'Sandbox 1'

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jun 6 22:31:44 UTC 2017


#22516: tor fails to start with 'Sandbox 1'
------------------------------+-----------------------------
     Reporter:  cypherpunks   |      Owner:
         Type:  defect        |     Status:  new
     Priority:  High          |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: 0.2.9.10
     Severity:  Normal        |   Keywords:  seccomp Sandbox
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-----------------------------
 OS: CentOS 7
 SELinux: disabled
 tor-0.2.9.10-1.el7.x86_64

 {{{
  ============================================================
  (Sandbox) Caught a bad syscall attempt (syscall fchmod)
  /usr/bin/tor(+0x15d83a)[0x7ff9aa58b83a]
  /lib64/libc.so.6(fchmod+0x7)[0x7ff9a8b1a917]
  /lib64/libc.so.6(fchmod+0x7)[0x7ff9a8b1a917]
  /usr/bin/tor(check_private_dir+0x151)[0x7ff9aa584741]
  /usr/bin/tor(init_keys+0x9b)[0x7ff9aa4b6cab]
  /usr/bin/tor(do_main_loop+0x4b)[0x7ff9aa472b1b]
  /usr/bin/tor(tor_main+0x1c25)[0x7ff9aa4763a5]
  /usr/bin/tor(main+0x19)[0x7ff9aa46e8c9]
  /lib64/libc.so.6(__libc_start_main+0xf5)[0x7ff9a8a53b35]
  /usr/bin/tor(+0x4091b)[0x7ff9aa46e91b]
 }}}
 torrc:
 {{{
 OfflineMasterKey 1
 RunAsDaemon 0
 Log notice syslog
 OutboundBindAddress ...
 SocksPort 0
 User ...
 DataDirectory /var/lib/tor-instances/...
 ORPort ...
 DirPort ...
 SyslogIdentityTag ...
 Nickname ...
 ControlSocket 0
 CookieAuthentication 0
 ExitRelay 0
 ExitPolicy reject *:*
 Sandbox 1
 ShutdownWaitLength 1
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22516>
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