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[tor-bugs] #19659 [Core Tor/Tor]: Assertion failed in src/common/container.c:1137: digestmap_impl_HT_NEXT

#19659: Assertion failed in src/common/container.c:1137: digestmap_impl_HT_NEXT
------------------------------+--------------------------------
     Reporter:  TvdW          |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: 0.2.8.2-alpha
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------
 This just crashed my relay :

 {{{
 Jul 10 13:53:24 Tor[29670]: Heartbeat: Tor's uptime is 23:59 hours, with
 660 circuits open. I've sent 18.64 GB and received 18.59 GB.
 Jul 10 13:53:24 Tor[29670]: Circuit handshake stats since last time:
 3560/3560 TAP, 21904/21904 NTor.
 Jul 10 13:53:24 Tor[29670]: Since startup, we have initiated 0 v1
 connections, 0 v2 connections, 0 v3 connections, and 21123 v4 connections;
 and received 0 v1 connections, 129 v2 connections, 110 v3 connections, and
 20907 v4 connections.
 Jul 10 14:37:58 Tor[29670]: tor_assertion_failed_(): Bug:
 src/common/container.c:1137: digestmap_impl_HT_NEXT: Assertion b ==
 (((head->hth_table[b])->node.hte_hash) % head->hth_table_length) failed;
 aborting. (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug: Assertion b ==
 (((head->hth_table[b])->node.hte_hash) % head->hth_table_length) failed in
 digestmap_impl_HT_NEXT at src/common/container.c:1137. Stack trace: (on
 Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(log_backtrace+0x42)
 [0x7fa7956cd2e2] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:
 /usr/bin/tor(tor_assertion_failed_+0x94) [0x7fa7956db544] (on Tor
 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:
 /usr/bin/tor(digestmap_iter_next+0x11f) [0x7fa7956d5edf] (on Tor
 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:
 /usr/bin/tor(connection_or_set_bad_connections+0x317) [0x7fa79568ada7] (on
 Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(+0xaaf39)
 [0x7fa7955d9f39] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:
 /lib64/libevent-2.0.so.5(event_base_loop+0x774) [0x7fa794bbba14] (on Tor
 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(do_main_loop+0x21d)
 [0x7fa7955dac6d] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(tor_main+0x1b1d)
 [0x7fa7955de1ad] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(main+0x19)
 [0x7fa7955d69a9] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:
 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fa7943eab15] (on Tor
 0.2.8.2-alpha 684babee8491c3e9)
 Jul 10 14:37:58 Tor[29670]: Bug:     /usr/bin/tor(+0xa79fd)
 [0x7fa7955d69fd] (on Tor 0.2.8.2-alpha 684babee8491c3e9)
 }}}

 Admittedly it's 0.2.8.2-alpha, but I couldn't find anything in the
 changelog or Trac indicating that this was fixed already.

 torrc :

 {{{
 DataDirectory /var/lib/tor/node1
 SocksPort 0
 Log notice syslog
 RunAsDaemon 1
 ORPort 9010
 ExtORPort auto
 Nickname NCC1701
 ContactInfo TvdW <tor AT tvdw DOT eu> - bitcoin
 1NKKoCQwKs67eKBGedMD8wYoAs3Z4mMAex
 User toranon
 ControlSocket /var/lib/tor/node1/control.sock
 CookieAuthentication 1

 MyFamily
 $9030DCF419F6E2FBF84F63CBACBA0097B06F557E,$B7EC0C02D7D9F1E31B0C251A6B058880778A0CD1,$2D671A4ABF8466E9E456AC9A6649C760A0176469
 IPv6Exit 1
 ORPort [2001:1af8:fec3:16:216:3eff:fe6e:5c4b]:9010
 NumCPUs 2
 PublishServerDescriptor 1

 ServerDNSRandomizeCase 0
 HiddenServiceStatistics 1


 ExitPolicy reject *:*
 ExitPolicy reject6 *:*
 }}}

 I'll upgrade to 0.2.8.5 soon, as I'm obviously lagging on updates.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19659>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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