diff options
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/tcpdump/print-null.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/usr.sbin/tcpdump/print-null.c b/usr.sbin/tcpdump/print-null.c index a42b3599a86..f90f5e9030c 100644 --- a/usr.sbin/tcpdump/print-null.c +++ b/usr.sbin/tcpdump/print-null.c @@ -1,4 +1,4 @@ -/* $OpenBSD: print-null.c,v 1.23 2018/10/22 16:12:45 kn Exp $ */ +/* $OpenBSD: print-null.c,v 1.24 2020/07/21 01:09:03 kn Exp $ */ /* * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997 @@ -119,6 +119,11 @@ null_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) ts_print(&h->ts); + if (caplen < NULL_HDRLEN) { + printf("[|null]"); + goto out; + } + /* * Some printers want to get back at the link level addresses, * and/or check that they're not walking off the end of the packet. |