[tor-bugs] #27731 [Core Tor/Tor]: tor restart loop: "The missing protocols are: LinkAuth=1"

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#27731: tor restart loop: "The missing protocols are: LinkAuth=1"
------------------------------+------------------------------
     Reporter:  traumschule   |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: unspecified
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------
 Since the (automatic) apt upgrade to 0.3.5.0-alpha-dev-
 20180916T182348Z-1~d99.buster+1 tor restarted in a loop:

 {{{
 Sep 17 01:05:26.000 [notice] {GENERAL} Parsing GEOIP IPv4 file
 /usr/share/tor/geoip.
 Sep 17 01:05:27.000 [notice] {GENERAL} Parsing GEOIP IPv6 file
 /usr/share/tor/geoip6.
 Sep 17 01:05:27.000 [info] {CIRC} add_predicted_port(): New port
 prediction added. Will continue predictive circ building for 2079 more
 seconds.
 Sep 17 01:05:27.000 [info] {CRYPTO} crypto_openssl_late_init(): NOT using
 OpenSSL engine support.
 Sep 17 01:05:27.000 [info] {CRYPTO} evaluate_evp_for_aes(): This version
 of OpenSSL has a known-good EVP counter-mode implementation. Using it.
 Sep 17 01:05:27.000 [notice] {CONTROL} Bootstrapped 0%: Starting
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority maatuska with signing
 key 10A69F531F8421310537EAC881F7DD354F251D31
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority dannenberg with signing
 key CD1FD971855430880D3C31E0331C5C55800C2F79
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority gabelmoo with signing
 key E1249D5F87EAD43CD4A48DF9CFCFE810BEEE5287
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority bastet with signing key
 88E1BDDC8E6363355910D086B37B562F81674DC1
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority longclaw with signing
 key D632ADF38603F34EAFCB461C4DA5F67EF62BE7EC
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority tor26 with signing key
 719A962F8F7DC7F0A34A545E7A45368FF8A23D2A
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority Faravahar with signing
 key 517095062288D1B5C7BD6517A677C586D996818B
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority dizum with signing key
 109A865D7DBE58367C120353CBE9947EE263695A
 Sep 17 01:05:27.000 [info] {DIR} trusted_dirs_load_certs_from_string():
 Adding cached certificate for directory authority moria1 with signing key
 6E44451E3F1CEB435E4D95C1F8B12AA022BB34CF
 Sep 17 01:05:28.000 [err] {GENERAL} At least one protocol listed as
 required in the consensus is not supported by this version of Tor. You
 should upgrade. This version of Tor will not work as a client on the Tor
 network. The missing protocols are: LinkAuth=1
 [restart]
 Sep 17 01:06:08.000 [info] {GENERAL} options_act_reversible(): Recomputed
 OOS thresholds: ConnLimit 1000, ConnLimit_ 65504, ConnLimit_high_thresh
 65440, ConnLimit_low_thresh 49128
 Sep 17 01:06:08.000 [info] {FS} tor_lockfile_lock(): Locking
 "/var/lib/tor/lock"
 }}}

 Downgrading fixed it. git HEAD is also affected, last working commit in
 master: 035166e7bf30645f6da9d39374f5e9c9efe867f8
 {{{
 dpkg -i  /var/cache/apt/archives/tor_0.3.5.0-alpha-dev-
 20180915T011035Z-1~d99.buster+1_i386.deb

 Tor version 0.3.5.0-alpha-dev (git-035166e7bf30645f).
 }}}

 First failing:
 http://jqs44zhtxl2uo6gk.onion/tor.git/commit/?id=991bec67ee41fd7f3c12e9194d96491b51bedd50

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27731>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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