[tor-commits] [tor/master] Limit IPv6 mask bits to 128

nickm at torproject.org nickm at torproject.org
Wed Dec 16 13:51:00 UTC 2015


commit e54e71fb6bb0f76bf73b540580abd0a5c5c8539d
Author: teor (Tim Wilson-Brown) <teor2345 at gmail.com>
Date:   Wed Dec 16 08:48:32 2015 +1100

    Limit IPv6 mask bits to 128
---
 src/common/address.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common/address.c b/src/common/address.c
index 6277641..69a8098 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;





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