Fix on 4e3d144fb0940d8ee5a89427d471ea3656e8e122; bug not in any released Tor.
@@ -339,7 +339,7 @@ tor_addr_to_str(char *dest, const tor_addr_t *addr, size_t len, int decorate)
break;
case AF_INET6:
/* Shortest addr [ :: ] + \0 */
- if (len < (3 + (decorate ? 2 : 0)))
+ if (len < (3u + (decorate ? 2 : 0)))
return NULL;
if (decorate)