#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/> The Tor Project: anonymity online
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