tor

commit 9b582edddb3a56d0eb2049820c6e14bfead7b143
parent 69a277f635d9f5d6e40d1f1e85110621b5c49169
Author: George Kadianakis <desnacked@riseup.net>
Date:   Wed, 17 Apr 2019 13:23:23 +0300

Correctly handle machines out of tokens that have not closed yet.

Perhaps the machine on the other side is still not done.

Diffstat:
M
src/core/or/circuitpadding.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/core/or/circuitpadding.c b/src/core/or/circuitpadding.c
@@ -605,6 +605,11 @@ circpad_machine_sample_delay(circpad_machine_runtime_t *mi)
     histogram_total_tokens = state->histogram_total_tokens;
   }
 
+  /* If we are out of tokens, don't schedule padding. */
+  if (!histogram_total_tokens) {
+    return CIRCPAD_DELAY_INFINITE;
+  }
+
   bin_choice = crypto_fast_rng_get_uint64(get_thread_fast_rng(),
                                           histogram_total_tokens);