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agr_setconfig: ensure ifname is NUL terminated. PR/34894 from Michael Pounov.

This commit is contained in:
yamt 2006-10-29 11:38:56 +00:00
parent e224ffd4ee
commit fb3b846458
1 changed files with 5 additions and 3 deletions
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8
sys/net/agr/if_agr.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_agr.c,v 1.7 2006/10/25 22:56:14 elad Exp $ */
/* $NetBSD: if_agr.c,v 1.8 2006/10/29 11:38:56 yamt Exp $ */
/*-
* Copyright (c)2005 YAMAMOTO Takashi,
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_agr.c,v 1.7 2006/10/25 22:56:14 elad Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_agr.c,v 1.8 2006/10/29 11:38:56 yamt Exp $");
#include "bpfilter.h"
#include "opt_inet.h"
@ -362,7 +362,9 @@ agr_setconfig(struct ifnet *ifp, const struct agrreq *ar)
int error = 0;
char ifname[IFNAMSIZ];
error = copyin(ar->ar_buf, ifname, MIN(ar->ar_buflen, sizeof(ifname)));
memset(ifname, 0, sizeof(ifname));
error = copyin(ar->ar_buf, ifname,
MIN(ar->ar_buflen, sizeof(ifname) - 1));
if (error) {
return error;
}