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[tor-bugs] #34084 [Core Tor/Tor]: HSv3: Bug at setup_intro_circ_auth_key at ../src/feature/hs/hs_client.c:739



#34084: HSv3: Bug at setup_intro_circ_auth_key at ../src/feature/hs/hs_client.c:739
------------------------------+------------------------------------
     Reporter:  s7r           |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: 0.4.4.0-alpha-dev
     Severity:  Normal        |   Keywords:  tor-hs
Actual Points:                |  Parent ID:  #34082
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------------
 Client side HSv3 non fatal bug. It occurs like between ~80-120 times in a
 total of 100.000 built rendezvous circuits:

 {{{
 Mar 31 18:44:17.000 [warn] tor_bug_occurred_(): Bug:
 ../src/feature/hs/hs_client.c:739: setup_intro_circ_auth_key: This line
 should not have been reached. (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug: Tor 0.4.4.0-alpha-dev: Line unexpectedly
 reached at setup_intro_circ_auth_key at ../src/feature/hs/hs_client.c:739.
 Stack trace: (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(log_backtrace_impl+0x56)
 [0x55d874ac7ee6] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(tor_bug_occurred_+0x16c)
 [0x55d874ac30ec] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:
 tor(hs_client_circuit_has_opened+0x342) [0x55d8749ceb22] (on Tor 0.4.4.0
 -alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:
 tor(circuit_send_next_onion_skin+0x2b8) [0x55d874930d38] (on Tor 0.4.4.0
 -alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(+0xbe4ba) [0x55d8749664ba] (on Tor
 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(+0xbf1c5) [0x55d8749671c5] (on Tor
 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(circuit_receive_relay_cell+0x2b4)
 [0x55d874968a44] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(command_process_cell+0x2c8)
 [0x55d87494b788] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(channel_tls_handle_cell+0x4eb)
 [0x55d87492af0b] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(+0xac5ca) [0x55d8749545ca] (on Tor
 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(connection_handle_read+0xa92)
 [0x55d8749183a2] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(+0x75609) [0x55d87491d609] (on Tor
 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libevent-2.1.so.6(+0x229ba) [0x7f1984b569ba] (on Tor 0.4.4.0-alpha-dev
 )
 Mar 31 18:44:17.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libevent-2.1.so.6(event_base_loop+0x5a7) [0x7f1984b57537] (on Tor
 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(do_main_loop+0xff)
 [0x55d87491e88f] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(tor_run_main+0x10b5)
 [0x55d87490bbc5] (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(tor_main+0x3a) [0x55d8749092ca]
 (on Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(main+0x19) [0x55d874908e89] (on
 Tor 0.4.4.0-alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xeb) [0x7f198443809b] (on Tor 0.4.4.0
 -alpha-dev )
 Mar 31 18:44:17.000 [warn] Bug:     tor(_start+0x2a) [0x55d874908eda] (on
 Tor 0.4.4.0-alpha-dev )
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/34084>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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