D17357.id48780.diff
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D17357.id48780.diff
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	Index: head/sys/netinet/ip_output.c
	===================================================================
	--- head/sys/netinet/ip_output.c
	+++ head/sys/netinet/ip_output.c
	@@ -932,10 +932,11 @@

	if (m->m_pkthdr.csum_flags & CSUM_UDP) {
	/* if udp header is not in the first mbuf copy udplen */
	- if (offset + sizeof(struct udphdr) > m->m_len)
	+ if (offset + sizeof(struct udphdr) > m->m_len) {
	m_copydata(m, offset + offsetof(struct udphdr,
	uh_ulen), sizeof(cklen), (caddr_t)&cklen);
	- else {
	+ cklen = ntohs(cklen);
	+ } else {
	uh = (struct udphdr *)mtodo(m, offset);
	cklen = ntohs(uh->uh_ulen);
	}