From: George Kadianakis <desnacked@riseup.net>
Date: Wed, 20 Mar 2019 15:42:56 +0000 (+0200)
Subject: Behave correctly when state->max_length is zero.
X-Git-Tag: tor-0.4.1.1-alpha~11^2~13
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a014e01b686cbe84bcfc9907d0a98ac71be91e3e;p=thirdparty%2Ftor.git

Behave correctly when state->max_length is zero.
---

diff --git a/src/core/or/circuitpadding.c b/src/core/or/circuitpadding.c
index ddf28ea624..61e222cbb9 100644
--- a/src/core/or/circuitpadding.c
+++ b/src/core/or/circuitpadding.c
@@ -525,7 +525,10 @@ circpad_choose_state_length(circpad_machine_runtime_t *mi)
   length = circpad_distribution_sample(state->length_dist);
   length = MAX(0, length);
   length += state->start_length;
-  length = MIN(length, state->max_length);
+
+  if (state->max_length) {
+    length = MIN(length, state->max_length);
+  }
 
   mi->state_length = clamp_double_to_int64(length);
 }