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Fix a panic condition in icmp_reflect() introduced in rev. 1.61.

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(We should be able to handle locally originated IP packets, and
these do not have m_pkthdr.rcvif set.)

PR:		kern/32806, kern/33766
Reviewed by:	luigi
Fix tested by:	Maxim Konovalov <maxim@macomnet.ru>,
		Erwin Lansing <erwin@lansing.dk>
This commit is contained in:
Ruslan Ermilov 2002-01-11 12:13:57 +00:00
parent 20cea81ba1
commit 84caf00847
1 changed files with 2 additions and 2 deletions
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4
sys/netinet/ip_icmp.c
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@ -609,8 +609,8 @@ icmp_reflect(m)
LIST_FOREACH(ia, INADDR_HASH(t.s_addr), ia_hash)
if (t.s_addr == IA_SIN(ia)->sin_addr.s_addr)
goto match;
KASSERT(m->m_pkthdr.rcvif != NULL, ("icmp_reflect: NULL rcvif"));
if (m->m_pkthdr.rcvif->if_flags & IFF_BROADCAST) {
if (m->m_pkthdr.rcvif != NULL &&
m->m_pkthdr.rcvif->if_flags & IFF_BROADCAST) {
TAILQ_FOREACH(ifa, &m->m_pkthdr.rcvif->if_addrhead, ifa_link) {
if (ifa->ifa_addr->sa_family != AF_INET)
continue;