[tor-bugs] #25440 [Core Tor/Tor]: Broken openat syscall in Sandbox mode

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Apr 9 16:19:56 UTC 2018


#25440: Broken openat syscall in Sandbox mode
-------------------------------------------------+-------------------------
 Reporter:  ageisp0lis                           |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.4.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.3.3-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  sandbox, 033-must, regression,       |  Actual Points:
  033-triage-20180326, 033-included-20180326     |
  033-backport                                   |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by ageisp0lis):

 >
 > Question 1: Can you tell me, what version of libc exactly does your
 system use?  I am wondering if maybe we have a problem in our
 implementation of libc_uses_openat_for_everything, which checks for a
 version later than 2.26.

 Thought I had replied to you already but didn't see it on the ticket!
 Oops. Pretty sure I was using 2.27.

 >
 > Question 2: And if you're building Tor from source, could you attach the
 orconfig.h file that is generated when you run "configure" to build tor?

 Was running official binaries from your apt repository, in the 'buster'
 distribution, not built from source.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25440#comment:12>
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