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-rw-r--r--src/common/address.c2
1 files changed, 2 insertions, 0 deletions
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;