[tor-bugs] #33039 [Core Tor/Tor]: Memory leaks in handle_control_getconf

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jan 24 18:56:42 UTC 2020

#33039: Memory leaks in handle_control_getconf
 Reporter:  nickm                                |          Owner:
                                                 |  catalyst
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  043-must, memory-leak, regression,   |  Actual Points:  2
  tor-tests-coverage                             |
Parent ID:                                       |         Points:  1
 Reviewer:                                       |        Sponsor:
Changes (by catalyst):

 * status:  accepted => needs_review
 * actualpoints:   => 2


 Pull request in https://github.com/torproject/tor/pull/1684

 As a bonus, unit test coverage in `handle_control_getconf()` is now at

 I did confirm that the new unit tests correctly detect the leak under
 valgrind on Ubuntu Bionic.  (valgrind doesn't work with OpenSSL on Xenial,
 so I had to install a new VM.)  For some reason, AddressSanitizer doesn't
 catch the leaks in tor itself, but does catch them in the test program.
 (Both Xenial and Bionic, and I think both clang and gcc.)  I wish we could
 understand why.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33039#comment:6>
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