Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565

Summary

Since I upgraded to 0.4.8.4 (from 0.4.8.3-rc) I've been seeing the following error:
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x5853d2aeed97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x5853d2af9ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x5853d2b8b66e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x5853d2b9108d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x95bd7) [0x5853d2a99bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x5853d2a9bbd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x5853d2ba81f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x19cb16) [0x5853d2ba0b16] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x70359) [0x5853d2a74359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x7e2bdb469585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x7e2bdb469c1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x5853d2a75661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x5853d2a70f95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_main+0x59) [0x5853d2a6d319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(main+0x19) [0x5853d2a6ced9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x7e2bdab6a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7e2bdab6a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(_start+0x21) [0x5853d2a6cf21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux 36ED52A99B9B1D95: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux 36ED52A99B9B1D95: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: tor_bug_occurred_(): Bug: src/core/or/conflux.c:565: conflux_pick_first_leg: Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed. (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x5853d2aeed97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x5853d2af9ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x5853d2b8b66e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x5853d2b9108d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x95bd7) [0x5853d2a99bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x5853d2a9bbd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x5853d2ba81f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x19d004) [0x5853d2ba1004] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x70359) [0x5853d2a74359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x7e2bdb469585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x7e2bdb469c1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x5853d2a75661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x5853d2a70f95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_main+0x59) [0x5853d2a6d319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(main+0x19) [0x5853d2a6ced9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x7e2bdab6a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7e2bdab6a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(_start+0x21) [0x5853d2a6cf21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux 36ED52A99B9B1D95: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux 36ED52A99B9B1D95: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 01:43:21 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: tor_bug_occurred_(): Bug: src/core/or/conflux.c:565: conflux_pick_first_leg: Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed. (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x5853d2aeed97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x5853d2af9ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x5853d2b8b66e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x5853d2b9108d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x95bd7) [0x5853d2a99bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x5853d2a9bbd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x5853d2ba81f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x19cb16) [0x5853d2ba0b16] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x70359) [0x5853d2a74359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x7e2bdb469585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x7e2bdb469c1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x5853d2a75661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x5853d2a70f95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_main+0x59) [0x5853d2a6d319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(main+0x19) [0x5853d2a6ced9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x7e2bdab6a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7e2bdab6a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(_start+0x21) [0x5853d2a6cf21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux A9C38A44F68539F0: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux A9C38A44F68539F0: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: tor_bug_occurred_(): Bug: src/core/or/conflux.c:565: conflux_pick_first_leg: Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed. (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x5853d2aeed97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x5853d2af9ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x5853d2b8b66e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x5853d2b9108d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x95bd7) [0x5853d2a99bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x5853d2a9bbd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x5853d2ba81f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x19d004) [0x5853d2ba1004] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(+0x70359) [0x5853d2a74359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x7e2bdb469585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x7e2bdb469c1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x5853d2a75661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x5853d2a70f95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(tor_main+0x59) [0x5853d2a6d319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(main+0x19) [0x5853d2a6ced9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x7e2bdab6a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7e2bdab6a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: Bug:     /usr/bin/tor(_start+0x21) [0x5853d2a6cf21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux A9C38A44F68539F0: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_log_set(): Bug: Conflux A9C38A44F68539F0: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 17:43:02 host Tor-relay0[1977034]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: tor_bug_occurred_(): Bug: src/core/or/conflux.c:565: conflux_pick_first_leg: Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed. (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x578c64619d97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x578c64624ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x578c646b666e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x578c646bc08d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x95bd7) [0x578c645c4bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x578c645c6bd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x578c646d31f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x19cb16) [0x578c646cbb16] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x70359) [0x578c6459f359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x708318e9e585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x708318e9ec1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x578c645a0661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x578c6459bf95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_main+0x59) [0x578c64598319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(main+0x19) [0x578c64597ed9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x70831858a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x70831858a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(_start+0x21) [0x578c64597f21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_log_set(): Bug: Conflux 5AC0CD28AE0575FA: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_log_set(): Bug: Conflux 5AC0CD28AE0575FA: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: tor_bug_occurred_(): Bug: src/core/or/conflux.c:565: conflux_pick_first_leg: Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed. (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug: Tor 0.4.8.4 (git-6d6bd21b9d364302): Non-fatal assertion !(smartlist_len(cfx->legs) <= 0) failed in conflux_pick_first_leg at src/core/or/conflux.c:565. Stack trace: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(log_backtrace_impl+0x57) [0x578c64619d97] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_bug_occurred_+0x169) [0x578c64624ce9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(conflux_decide_next_circ+0x3fe) [0x578c646b666e] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(circuit_get_package_window+0x3d) [0x578c646bc08d] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x95bd7) [0x578c645c4bd7] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(connection_edge_package_raw_inbuf+0xa1) [0x578c645c6bd1] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(connection_edge_process_inbuf+0x66) [0x578c646d31f6] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x19d004) [0x578c646cc004] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(+0x70359) [0x578c6459f359] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(+0x21585) [0x708318e9e585] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libevent-2.1.so.7(event_base_loop+0x49f) [0x708318e9ec1f] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(do_main_loop+0xf1) [0x578c645a0661] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_run_main+0x1e5) [0x578c6459bf95] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(tor_main+0x59) [0x578c64598319] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(main+0x19) [0x578c64597ed9] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x70831858a1ca] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x70831858a285] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: Bug:     /usr/bin/tor(_start+0x21) [0x578c64597f21] (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: Matching client sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_log_set(): Bug: Conflux 5AC0CD28AE0575FA: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: Matching server sets: (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_log_set(): Bug: Conflux 5AC0CD28AE0575FA: 0 linked, 0 launched (on Tor 0.4.8.4 6d6bd21b9d364302)
Aug 24 18:47:09 host Tor-relay1[1977028]: conflux_pick_first_leg(): Bug: End conflux set dump (on Tor 0.4.8.4 6d6bd21b9d364302)
Environment

Tor 0.4.8.4 6d6bd21b
Debian 12 "bookworm"
Compiled from source
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