[tor-bugs] #27471 [Core Tor/Tor]: HS intermittently fails: Non-fatal assertion failed in send_introduce1

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#27471: HS intermittently fails: Non-fatal assertion failed in send_introduce1
------------------------------+-----------------------------
     Reporter:  tgragnato     |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Very Low      |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: 0.3.4.7-rc
     Severity:  Minor         |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-----------------------------
 When running 0.3.4.7-rc on Buster from deb.tpo

 {{{
 [WARN] Bug:     /usr/bin/tor(_start+0x2a) [0x55edbc918eea]
 [WARN] Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)
 [0x7fd267a49b17]
 [WARN] Bug:     /usr/bin/tor(main+0x19) [0x55edbc918e99]
 [WARN] Bug:     /usr/bin/tor(tor_main+0x3a) [0x55edbc9190ea]
 [WARN] Bug:     /usr/bin/tor(tor_run_main+0x1005) [0x55edbc921155]
 [WARN] Bug:     /usr/bin/tor(do_main_loop+0x205) [0x55edbc91ea85]
 [WARN] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.1.so.6(event_base_loop+0x5a7) [0x7fd26873f537]
 [WARN] Bug:     /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6(+0x229ba)
 [0x7fd26873e9ba]
 [WARN] Bug:     /usr/bin/tor(+0x5271e) [0x55edbc91c71e]
 [WARN] Bug:     /usr/bin/tor(connection_handle_read+0xa73)
 [0x55edbc9decf3]
 [WARN] Bug:     /usr/bin/tor(+0x11e016) [0x55edbc9e8016]
 [WARN] Bug:     /usr/bin/tor(channel_tls_handle_cell+0x4db)
 [0x55edbc9a3e4b]
 [WARN] Bug:     /usr/bin/tor(command_process_cell+0x318) [0x55edbc9c2368]
 [WARN] Bug:     /usr/bin/tor(circuit_receive_relay_cell+0x2c4)
 [0x55edbc9448f4]
 [WARN] Bug:     /usr/bin/tor(+0x788bb) [0x55edbc9428bb]
 [WARN] Bug:     /usr/bin/tor(rend_process_relay_cell+0x293)
 [0x55edbc94b9b3]
 [WARN] Bug:     /usr/bin/tor(hs_client_receive_rendezvous_acked+0x79)
 [0x55edbca31a89]
 [WARN] Bug:     /usr/bin/tor(connection_ap_attach_pending+0x178)
 [0x55edbc9e1e58]
 [WARN] Bug:     /usr/bin/tor(connection_ap_handshake_attach_circuit+0x3bd)
 [0x55edbc9c0f3d]
 [WARN] Bug:     /usr/bin/tor(hs_client_send_introduce1+0x232)
 [0x55edbca31382]
 [WARN] Bug:     /usr/bin/tor(tor_bug_occurred_+0xb9) [0x55edbca6e499]
 [WARN] Bug:     /usr/bin/tor(log_backtrace+0x43) [0x55edbca537a3]
 [WARN] Bug: Non-fatal assertion !(ip == NULL) failed in send_introduce1 at
 ../src/or/hs_client.c:559. Stack trace:
 [WARN] tor_bug_occurred_(): Bug: ../src/or/hs_client.c:559:
 send_introduce1: Non-fatal assertion !(ip == NULL) failed.
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27471>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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