From 117d0220172695939c81f5daccce72d9c953e804 Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Fri, 30 Mar 2001 19:16:04 +0000
Subject: Don't core dump when given "-i -a". Problem caused by a mistaken
dereference of a kernel-pointer in userland.
PR: 26168
Submitted by: Peter Pentchev <roam@orbitel.bg>
---
usr.bin/netstat/if.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/usr.bin/netstat/if.c b/usr.bin/netstat/if.c
index bc0f7d5..b45f4b7 100644
--- a/usr.bin/netstat/if.c
+++ b/usr.bin/netstat/if.c
@@ -448,9 +448,10 @@ intpr(interval, ifnetaddr, pfunc)
const char *fmt;
TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
- if (kread(*(u_long *)multiaddr, (char *)&ifma,
+ if (kread((u_long)multiaddr, (char *)&ifma,
sizeof ifma))
break;
+ multiaddr = &ifma;
if (kread((u_long)ifma.ifma_addr, (char *)&msa,
sizeof msa))
break;
--
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