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[tor-bugs] #33641 [Core Tor/Tor]: Spurious coverity unreachable warning after all bugs are fatal test skip



#33641: Spurious coverity unreachable warning after all bugs are fatal test skip
--------------------------+------------------------------------------------
     Reporter:  teor      |      Owner:  (none)
         Type:  defect    |     Status:  new
     Priority:  Medium    |  Milestone:  Tor: 0.4.4.x-final
    Component:  Core      |    Version:
  Tor/Tor                 |
     Severity:  Normal    |   Keywords:  044-must, coverity, false-positive
Actual Points:            |  Parent ID:
       Points:  0.1       |   Reviewer:
      Sponsor:            |
--------------------------+------------------------------------------------
 There's a spurious coverity warning about unreachable code, in tests that
 we're skipping when ALL_BUGS_ARE_FATAL is defined.

 I guess we need to wrap those skips in `#ifndef COVERITY`.

 {{{
 ** CID 1460753:  Control flow issues  (UNREACHABLE)
 /src/test/test_dir.c: 4998 in
 test_dir_purpose_needs_anonymity_returns_true_by_default()


 ________________________________________________________________________________________________________
 *** CID 1460753:  Control flow issues  (UNREACHABLE)
 /src/test/test_dir.c: 4998 in
 test_dir_purpose_needs_anonymity_returns_true_by_default()
 4992       (void)arg;
 4993
 4994     #ifdef ALL_BUGS_ARE_FATAL
 4995       tt_skip();
 4996     #endif
 4997
    CID 1460753:  Control flow issues  (UNREACHABLE)
    This code cannot be reached: "tor_capture_bugs_(1);".
 4998       tor_capture_bugs_(1);
 4999       setup_full_capture_of_logs(LOG_WARN);
 5000       tt_int_op(1, OP_EQ, purpose_needs_anonymity(0, 0, NULL));
 5001       tt_int_op(1, OP_EQ,
 smartlist_len(tor_get_captured_bug_log_()));
 5002       expect_single_log_msg_containing("Called with dir_purpose=0");
 5003

 ** CID 1460752:  Control flow issues  (UNREACHABLE)
 /src/test/test_circuitbuild.c: 123 in test_new_route_len_unhandled_exit()


 ________________________________________________________________________________________________________
 *** CID 1460752:  Control flow issues  (UNREACHABLE)
 /src/test/test_circuitbuild.c: 123 in test_new_route_len_unhandled_exit()
 117     #ifdef ALL_BUGS_ARE_FATAL
 118       tt_skip();
 119     #endif
 120
 121       MOCK(count_acceptable_nodes, mock_count_acceptable_nodes);
 122
    CID 1460752:  Control flow issues  (UNREACHABLE)
    This code cannot be reached: "tor_capture_bugs_(1);".
 123       tor_capture_bugs_(1);
 124       setup_full_capture_of_logs(LOG_WARN);
 125       r = new_route_len(CIRCUIT_PURPOSE_CONTROLLER, &dummy_ei,
 &dummy_nodes);
 126       tt_int_op(DEFAULT_ROUTE_LEN + 1, OP_EQ, r);
 127       tt_int_op(smartlist_len(tor_get_captured_bug_log_()), OP_EQ, 1);
 128       tt_str_op(smartlist_get(tor_get_captured_bug_log_(), 0), OP_EQ,
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33641>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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