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array boundary overflow on the use of IPv4 mapped address. from simonb

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itojun 2001-11-02 02:37:50 +00:00
parent 767a35ff99
commit e4b5b62a3d
1 changed files with 2 additions and 2 deletions
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4
sys/netinet/udp_usrreq.c
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@ -1,4 +1,4 @@
/* $NetBSD: udp_usrreq.c,v 1.87 2001/10/29 07:02:34 simonb Exp $ */
/* $NetBSD: udp_usrreq.c,v 1.88 2001/11/02 02:37:50 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -738,7 +738,7 @@ udp6_realinput(af, src, dst, m, off)
sport = src->sin6_port;
in6_embedscope(&dst6, dst, NULL, NULL);
dport = dst->sin6_port;
dst4 = (struct in_addr *)&dst->sin6_addr.s6_addr32[12];
dst4 = (struct in_addr *)&dst->sin6_addr.s6_addr[12];
if (IN6_IS_ADDR_MULTICAST(&dst6) ||
(af == AF_INET && IN_MULTICAST(dst4->s_addr))) {