diff options
-rw-r--r-- | ChangeLog | 3 | ||||
-rw-r--r-- | src/or/rephist.c | 7 |
2 files changed, 10 insertions, 0 deletions
@@ -22,6 +22,9 @@ Changes in version 0.2.2.7-alpha - 2009-??-?? 0.1.0.1-rc. - Update our OpenSSL 0.9.8l fix so that it works with OpenSSL 0.9.8m too. + - Do not segfault when writing buffer stats when we haven't observed + a single circuit to report about. Found by Fabian Lanze. Bugfix on + 0.2.2.1-alpha. Changes in version 0.2.2.6-alpha - 2009-11-19 diff --git a/src/or/rephist.c b/src/or/rephist.c index 78ceb5f0d7..36318c7558 100644 --- a/src/or/rephist.c +++ b/src/or/rephist.c @@ -2705,9 +2705,16 @@ rep_hist_buffer_stats_write(time_t now) memset(circs_in_share, 0, SHARES * sizeof(int)); memset(queued_cells, 0, SHARES * sizeof(double)); memset(time_in_queue, 0, SHARES * sizeof(double)); + if (!circuits_for_buffer_stats) + circuits_for_buffer_stats = smartlist_create(); smartlist_sort(circuits_for_buffer_stats, _buffer_stats_compare_entries); number_of_circuits = smartlist_len(circuits_for_buffer_stats); + if (number_of_circuits < 1) { + log_info(LD_HIST, "Attempt to write cell statistics to disk failed. " + "We haven't seen a single circuit to report about."); + goto done; + } i = 0; SMARTLIST_FOREACH_BEGIN(circuits_for_buffer_stats, circ_buffer_stats_t *, stat) |