From: teor (Tim Wilson-Brown) <teor2345@gmail.com>
Date: Tue, 15 Dec 2015 21:48:32 +0000 (+1100)
Subject: Limit IPv6 mask bits to 128
X-Git-Tag: tor-0.2.8.1-alpha~130^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e54e71fb6bb0f76bf73b540580abd0a5c5c8539d;p=thirdparty%2Ftor.git

Limit IPv6 mask bits to 128
---

diff --git a/src/common/address.c b/src/common/address.c
index 627764153b..69a80986ed 100644
--- a/src/common/address.c
+++ b/src/common/address.c
@@ -1039,6 +1039,8 @@ tor_addr_compare_masked(const tor_addr_t *addr1, const tor_addr_t *addr2,
         return r;
       }
       case AF_INET6: {
+        if (mbits > 128)
+          mbits = 128;
         const uint8_t *a1 = tor_addr_to_in6_addr8(addr1);
         const uint8_t *a2 = tor_addr_to_in6_addr8(addr2);
         const int bytes = mbits >> 3;