From: Mike Perry <mikeperry-git@torproject.org>
Date: Wed, 11 Jan 2023 17:32:20 +0000 (+0000)
Subject: Coverity CID 1518991: Tighter bounds on consensus param value.
X-Git-Tag: tor-0.4.7.13~5^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6ef04e0d07418f447209d86d642394a190b6702;p=thirdparty%2Ftor.git

Coverity CID 1518991: Tighter bounds on consensus param value.

This prevents sign extension overflow in cwnd_became_full().
---

diff --git a/src/core/or/congestion_control_vegas.c b/src/core/or/congestion_control_vegas.c
index 8f9c39cea6..b82c685d51 100644
--- a/src/core/or/congestion_control_vegas.c
+++ b/src/core/or/congestion_control_vegas.c
@@ -203,7 +203,7 @@ congestion_control_vegas_set_params(congestion_control_t *cc,
    networkstatus_get_param(NULL, "cc_cwnd_full_gap",
       VEGAS_CWND_FULL_GAP_DFLT,
       0,
-      INT32_MAX);
+      INT16_MAX);
 
   cc_cwnd_full_per_cwnd =
    networkstatus_get_param(NULL, "cc_cwnd_full_per_cwnd",