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Add sanity check for return of sotoinpcb() and intotcpcb()
[unix-history]
/
sys
/
netinet
/
ip_icmp.c
diff --git
a/sys/netinet/ip_icmp.c
b/sys/netinet/ip_icmp.c
index
496fb92
..
1085bb7
100644
(file)
--- a/
sys/netinet/ip_icmp.c
+++ b/
sys/netinet/ip_icmp.c
@@
-31,7
+31,7
@@
* SUCH DAMAGE.
*
* from: @(#)ip_icmp.c 7.15 (Berkeley) 4/20/91
* SUCH DAMAGE.
*
* from: @(#)ip_icmp.c 7.15 (Berkeley) 4/20/91
- * $Id: ip_icmp.c,v 1.
5 1993/11/25 01:35:07
wollman Exp $
+ * $Id: ip_icmp.c,v 1.
6 1993/12/19 00:52:42
wollman Exp $
*/
#include "param.h"
*/
#include "param.h"
@@
-156,6
+156,11
@@
icmp_error(n, type, code, dest, mtu)
icmpstat.icps_oldicmp++;
goto freeit;
}
icmpstat.icps_oldicmp++;
goto freeit;
}
+#ifdef MULTICAST
+ /* Don't send error in response to a multicast or broadcast packet */
+ if(n->m_flags & (M_MCAST | M_BCAST))
+ goto freeit;
+#endif
/*
* First, formulate icmp message
/*
* First, formulate icmp message