[tor-bugs] #12139 [Tor]: Sandbox: Stack trace when `ConstrainedSockets 1` set

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#12139: Sandbox: Stack trace when `ConstrainedSockets 1` set
-----------------------+------------------------------------
 Reporter:  alphawolf  |          Owner:
     Type:  defect     |         Status:  new
 Priority:  normal     |      Milestone:  Tor: 0.2.5.x-final
Component:  Tor        |        Version:  Tor: 0.2.5.4-alpha
 Keywords:  sandbox    |  Actual Points:
Parent ID:             |         Points:
-----------------------+------------------------------------
 Stack trace when tor service starts if `ConstrainedSockets 1` is set.
 Built from current master(git-a056ffabbbdc7659)

 {{{
 May 27 20:54:09.000 [notice] Bootstrapped 80%: Connecting to the Tor
 network

 ============================================================ T= 1401238450
 (Sandbox) Caught a bad syscall attempt (syscall setsockopt)
 /usr/bin/tor(+0x123afa)[0x7ffd3d7d0afa]
 /lib/x86_64-linux-gnu/libc.so.6(setsockopt+0xa)[0x7ffd3bddcd3a]
 /lib/x86_64-linux-gnu/libc.so.6(setsockopt+0xa)[0x7ffd3bddcd3a]
 /usr/bin/tor(+0xc15a9)[0x7ffd3d76e5a9]
 /usr/bin/tor(connection_connect+0x25e)[0x7ffd3d77007e]
 /usr/bin/tor(connection_or_connect+0x129)[0x7ffd3d781ef9]
 /usr/bin/tor(channel_tls_connect+0x77)[0x7ffd3d742f27]
 /usr/bin/tor(circuit_handle_first_hop+0x1b0)[0x7ffd3d74bdc0]
 /usr/bin/tor(circuit_establish_circuit+0x384)[0x7ffd3d74c424]
 /usr/bin/tor(circuit_launch_by_extend_info+0x60)[0x7ffd3d75be80]
 /usr/bin/tor(circuit_build_needed_circs+0x304)[0x7ffd3d75c3b4]
 /usr/bin/tor(+0x35315)[0x7ffd3d6e2315]
 /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x414)[0x7ffd3cd39184]
 /usr/bin/tor(do_main_loop+0x195)[0x7ffd3d6e3295]
 /usr/bin/tor(tor_main+0x18d5)[0x7ffd3d6e6255]
 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7ffd3bd17b45]
 /usr/bin/tor(+0x32adb)[0x7ffd3d6dfadb]
 }}}

 /usr/share/tor/tor-service-defaults-torrc:
 {{{
 DataDirectory /var/lib/tor
 PidFile /var/run/tor/tor.pid
 RunAsDaemon 1
 User debian-tor
 ControlSocket /var/run/tor/control
 ControlSocketsGroupWritable 1
 CookieAuthentication 1
 CookieAuthFileGroupReadable 1
 CookieAuthFile /var/run/tor/control.authcookie
 Log notice file /var/log/tor/log
 }}}
 torrc:
 {{{
 ConstrainedSockets 1
 Sandbox 1
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12139>
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