[tor-bugs] #25733 [Core Tor/Tor]: Bug: Could not determine largest build time (0). Xm is 3925ms and we've abandoned 999 out of 1000 circuits.
Tor Bug Tracker & Wiki
blackhole at torproject.org
Mon Apr 9 22:39:14 UTC 2018
#25733: Bug: Could not determine largest build time (0). Xm is 3925ms and we've
abandoned 999 out of 1000 circuits.
--------------------------+-------------------------------
Reporter: cstest | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version: Tor: 0.3.2.10
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
--------------------------+-------------------------------
Old description:
> Server running couple of hundred HS domains. Tor crashed. One spammer is
> trying simple DDoS.
>
>
> Apr 06 20:36:28.000 [notice] Received reload signal (hup). Reloading
> config and resetting internal state.
> Apr 06 20:36:28.000 [notice] Read configuration file
> "-------------------".
> Apr 06 20:36:28.000 [notice] Tor 0.3.2.10 (git-0edaa32732ec8930) opening
> log file.
> Apr 06 20:36:42.000 [warn] Failed to find node for hop #1 of our path.
> Discarding this circuit.
> Apr 06 20:36:42.000 [warn] Error launching circuit to node
> $F0F5074A6DADD3DC22E1FAA18FD6D89C-------- at --------- for service
> ---------------.
> Apr 06 20:36:56.000 [warn] Your Guard remedy
> ($3FEBFB6A491D30CACC2C2995EDB41717A6F94E95) is failing a very large
> amount of circuits. Most likely this means the Tor network is overloaded,
> but it could$
> Apr 06 20:36:59.000 [warn] Failed to find node for hop #1 of our path.
> Discarding this circuit.
> Apr 06 20:37:26.000 [warn] Your Guard AlienZone
> ($80392DC1522E647C56457CEBA58DD84CC56AEC44) is failing a very large
> amount of circuits. Most likely this means the Tor network is overloaded,
> but it co$
> Apr 06 20:37:29.000 [warn] Failed to find node for hop #1 of our path.
> Discarding this circuit.
> Apr 06 20:37:29.000 [warn] Error launching circuit to node
> $9AEF164F5BE5618509C9E60----------- at ---------------- for service
> ---------------------------.
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 996 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 997 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 998 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> ........
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
> not determine largest build time (0). Xm is 3925ms and we've abandoned
> 999 out of 1000 circuits. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] tor_assertion_failed_(): Bug:
> ../src/or/circuitstats.c:772: circuit_build_times_get_xm: Assertion
> bin_counts > 0 failed; aborting. (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: Assertion bin_counts > 0 failed in
> circuit_build_times_get_xm at ../src/or/circuitstats.c:772. Stack trace:
> (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(log_backtrace+0x43)
> [0x55ff6c113313] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug:
> /usr/sbin/tor(tor_assertion_failed_+0x8d) [0x55ff6c12e54d] (on Tor
> 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug:
> /usr/sbin/tor(circuit_build_times_set_timeout+0x83e) [0x55ff6c0760be] (on
> Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug:
> /usr/sbin/tor(circuit_expire_building+0x1012) [0x55ff6c07a5b2] (on Tor
> 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(+0x52bd7)
> [0x55ff6bfdfbd7] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/lib/x86_64-linux-
> gnu/libevent-2.1.so.6(+0x1f6aa) [0x7faafc9836aa] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/lib/x86_64-linux-
> gnu/libevent-2.1.so.6(event_base_loop+0x5a7) [0x7faafc984227] (on Tor
> 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(do_main_loop+0x28d)
> [0x55ff6bfe085d] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(tor_main+0xe1d)
> [0x55ff6bfe367d] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(main+0x19)
> [0x55ff6bfdc0a9] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /lib/x86_64-linux-
> gnu/libc.so.6(__libc_start_main+0xf1) [0x7faafb18b1c1] (on Tor 0.3.2.10 )
> Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(_start+0x2a)
> [0x55ff6bfdc0fa] (on Tor 0.3.2.10 )
New description:
Server running couple of hundred HS domains. Tor crashed. One spammer is
trying simple DDoS.
{{{
Apr 06 20:36:28.000 [notice] Received reload signal (hup). Reloading
config and resetting internal state.
Apr 06 20:36:28.000 [notice] Read configuration file
"-------------------".
Apr 06 20:36:28.000 [notice] Tor 0.3.2.10 (git-0edaa32732ec8930) opening
log file.
Apr 06 20:36:42.000 [warn] Failed to find node for hop #1 of our path.
Discarding this circuit.
Apr 06 20:36:42.000 [warn] Error launching circuit to node
$F0F5074A6DADD3DC22E1FAA18FD6D89C-------- at --------- for service
---------------.
Apr 06 20:36:56.000 [warn] Your Guard remedy
($3FEBFB6A491D30CACC2C2995EDB41717A6F94E95) is failing a very large amount
of circuits. Most likely this means the Tor network is overloaded, but it
could$
Apr 06 20:36:59.000 [warn] Failed to find node for hop #1 of our path.
Discarding this circuit.
Apr 06 20:37:26.000 [warn] Your Guard AlienZone
($80392DC1522E647C56457CEBA58DD84CC56AEC44) is failing a very large amount
of circuits. Most likely this means the Tor network is overloaded, but it
co$
Apr 06 20:37:29.000 [warn] Failed to find node for hop #1 of our path.
Discarding this circuit.
Apr 06 20:37:29.000 [warn] Error launching circuit to node
$9AEF164F5BE5618509C9E60----------- at ---------------- for service
---------------------------.
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 996
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 997
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 998
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
........
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [warn] circuit_build_times_update_alpha(): Bug: Could
not determine largest build time (0). Xm is 3925ms and we've abandoned 999
out of 1000 circuits. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] tor_assertion_failed_(): Bug:
../src/or/circuitstats.c:772: circuit_build_times_get_xm: Assertion
bin_counts > 0 failed; aborting. (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: Assertion bin_counts > 0 failed in
circuit_build_times_get_xm at ../src/or/circuitstats.c:772. Stack trace:
(on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(log_backtrace+0x43)
[0x55ff6c113313] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug:
/usr/sbin/tor(tor_assertion_failed_+0x8d) [0x55ff6c12e54d] (on Tor
0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug:
/usr/sbin/tor(circuit_build_times_set_timeout+0x83e) [0x55ff6c0760be] (on
Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug:
/usr/sbin/tor(circuit_expire_building+0x1012) [0x55ff6c07a5b2] (on Tor
0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(+0x52bd7)
[0x55ff6bfdfbd7] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/lib/x86_64-linux-
gnu/libevent-2.1.so.6(+0x1f6aa) [0x7faafc9836aa] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/lib/x86_64-linux-
gnu/libevent-2.1.so.6(event_base_loop+0x5a7) [0x7faafc984227] (on Tor
0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(do_main_loop+0x28d)
[0x55ff6bfe085d] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(tor_main+0xe1d)
[0x55ff6bfe367d] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(main+0x19)
[0x55ff6bfdc0a9] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /lib/x86_64-linux-
gnu/libc.so.6(__libc_start_main+0xf1) [0x7faafb18b1c1] (on Tor 0.3.2.10 )
Apr 06 20:37:49.000 [err] Bug: /usr/sbin/tor(_start+0x2a)
[0x55ff6bfdc0fa] (on Tor 0.3.2.10 )
}}}
--
Comment (by catalyst):
Fix formatting.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25733#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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