[tor-bugs] #18625 [Tor]: Assertion conn->chosen_exit_name failed in circuit_is_acceptable at src/or/circuituse.c:119

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#18625: Assertion conn->chosen_exit_name failed in circuit_is_acceptable at
src/or/circuituse.c:119
------------------------------------------------+--------------------------
 Reporter:  arma                                |          Owner:
     Type:  defect                              |         Status:  new
 Priority:  High                                |      Milestone:  Tor:
Component:  Tor                                 |  0.2.8.x-final
 Severity:  Blocker                             |        Version:
 Keywords:  must-fix-before-028-rc, regression  |     Resolution:
Parent ID:                                      |  Actual Points:
 Reviewer:                                      |         Points:
                                                |        Sponsor:
------------------------------------------------+--------------------------

Comment (by nickm):

 This is reproducible with chutney: you spin up a network, and the
 authorities immediately crash. On OSX I see:
 {{{
 Mar 24 16:11:01.000 [err] tor_assertion_failed_: Bug:
 src/or/circuituse.c:119: circuit_is_acceptable: Assertion
 conn->chosen_exit_name failed; aborting. (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug: Assertion conn->chosen_exit_name failed in
 circuit_is_acceptable at src/or/circuituse.c:119. Stack trace: (on Tor
 0.2.8.1-alpha-dev d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     0   tor
 0x000000010bab3f49 log_backtrace + 73 (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     1   tor
 0x000000010bac1e97 tor_assertion_failed_ + 151 (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     2   tor
 0x000000010b9e7131 circuit_get_best + 1841 (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     3   tor
 0x000000010b9e6239 circuit_get_open_circ_or_launch + 1001 (on Tor 0.2.8.1
 -alpha-dev d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     4   tor
 0x000000010b9e5a60 connection_ap_handshake_attach_circuit + 752 (on Tor
 0.2.8.1-alpha-dev d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     5   tor
 0x000000010ba069f7 connection_ap_attach_pending + 167 (on Tor 0.2.8.1
 -alpha-dev d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     6   tor
 0x000000010ba4d857 do_main_loop + 1351 (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     7   tor
 0x000000010ba4fbf6 tor_main + 230 (on Tor 0.2.8.1-alpha-dev
 d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     8   tor
 0x000000010b9bae79 main + 25 (on Tor 0.2.8.1-alpha-dev d5f50cb052a535b5)
 Mar 24 16:11:01.000 [err] Bug:     9   libdyld.dylib
 0x00007fff9c8255ad start + 1 (on Tor 0.2.8.1-alpha-dev d5f50cb052a535b5)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18625#comment:2>
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