[tor-bugs] #18305 [Tor]: Tor fails to start with setgid

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Feb 12 15:01:32 UTC 2016


#18305: Tor fails to start with setgid
--------------------+-----------------------------------
 Reporter:  commoc  |          Owner:
     Type:  defect  |         Status:  needs_information
 Priority:  Medium  |      Milestone:
Component:  Tor     |        Version:
 Severity:  Normal  |     Resolution:
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
  Sponsor:          |
--------------------+-----------------------------------

Comment (by cypherpunks):

 Replying to [comment:3 commoc]:
 > After performing my steps, I get this:
 >
 > user at debian:~/tor-browser_en-US/Browser/TorBrowser/Tor$ ./tor
 > ./tor: symbol lookup error: ./tor: undefined symbol:
 evutil_secure_rng_set_urandom_device_file
 >
 > I use the latest stable (8.3) release of Debian.

 So this case has another explanation.

 ld-linux.so(8):

 > If a library dependency does not contain a slash, then it is searched
 for in the following order:
 >
 > [...]
 >
 > -  Using the environment variable LD_LIBRARY_PATH.  Except if the
 executable is a set-user-ID/set-group-ID binary, in which case it is
 ignored.
 >
 > [...]

 You say this used to work, so there *might* be an actual bug, but your
 test does not isolate it.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18305#comment:5>
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