Author: ae
Date: Mon Oct 12 07:53:04 2015
New Revision: 289171
URL: https://svnweb.freebsd.org/changeset/base/289171
Log:
MFC r288528:
Fix possible segmentation fault.
PR: 203494
Modified:
stable/9/sbin/ipfw/ipfw2.c
Directory Properties:
stable/9/sbin/ipfw/ (props changed)
Modified: stable/9/sbin/ipfw/ipfw2.c
==============================================================================
--- stable/9/sbin/ipfw/ipfw2.c Mon Oct 12 07:50:27 2015 (r289170)
+++ stable/9/sbin/ipfw/ipfw2.c Mon Oct 12 07:53:04 2015 (r289171)
@@ -2979,7 +2979,7 @@ ipfw_add(char *av[])
action->opcode = O_NAT;
action->len = F_INSN_SIZE(ipfw_insn_nat);
CHECK_ACTLEN;
- if (_substrcmp(*av, "global") == 0) {
+ if (*av != NULL && _substrcmp(*av, "global") == 0) {
action->arg1 = 0;
av++;
break;
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