[tor-bugs] #19869 [Core Tor/Tor]: tor_fragile_assert() in evdns_get_orig_address() on tor-0.2.9-alpha-1

[Tor Bug Tracker & Wiki]

#19869: tor_fragile_assert() in evdns_get_orig_address() on tor-0.2.9-alpha-1
-------------------------------------------------+-------------------------
 Reporter:  isis                                 |          Owner:
     Type:  defect                               |         Status:  new
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.2.???
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.9.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  isaremoved, regression,              |  Actual Points:
  nickwants029, tor-guards-revamp,               |
  TorCoreTeam201610                              |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by isis):

 This is still present in 0.2.9.4-alpha-1:

 {{{
 Oct 26 14:38:45 sys-tor Tor[783]: Tor has successfully opened a circuit.
 Looks like client functionality is working.
 Oct 26 14:38:45 sys-tor Tor[783]: Bootstrapped 100%: Done
 Oct 26 14:38:48 sys-tor Tor[783]: tor_bug_occurred_(): Bug:
 ../src/or/dnsserv.c:294: evdns_get_orig_address: This line should not have
 been reached. (Future instances of this warnin
 Oct 26 14:38:48 sys-tor Tor[783]: Bug: Line unexpectedly reached at
 evdns_get_orig_address at ../src/or/dnsserv.c:294. Stack trace: (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(log_backtrace+0x42) [0x556e06b5e692] (on Tor 0.2.9.4-alpha
 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(tor_bug_occurred_+0xb7) [0x556e06b77217] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(dnsserv_resolved+0x1dc) [0x556e06b4871c] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(connection_ap_handshake_socks_resolved+0x9e) [0x556e06b10d4e]
 (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(+0x6bcf3)
 [0x556e06a7ecf3] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(circuit_receive_relay_cell+0x2a9) [0x556e06a7f069] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(command_process_cell+0x280) [0x556e06af0dc0] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(channel_tls_handle_cell+0x233) [0x556e06ad2ea3] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(+0x103de4)
 [0x556e06b16de4] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(+0xfafc5)
 [0x556e06b0dfc5] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(+0x43231)
 [0x556e06a56231] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x7fc) [0x7f252b3273dc] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:
 /usr/bin/tor(do_main_loop+0x294) [0x556e06a57304] (on Tor 0.2.9.4-alpha
 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(tor_main+0x1c25)
 [0x556e06a5ab65] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(main+0x19)
 [0x556e06a52c09] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf5) [0x7f252a0d4b45] (on Tor
 0.2.9.4-alpha 8b0755c9bb296ae2)
 Oct 26 14:38:48 sys-tor Tor[783]: Bug:     /usr/bin/tor(+0x3fc59)
 [0x556e06a52c59] (on Tor 0.2.9.4-alpha 8b0755c9bb296ae2)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19869#comment:7>
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