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Cast to int, to properly handle dstoff > MHLEN (which never happens).

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This commit is contained in:
maxv 2018-04-20 06:01:59 +00:00
parent 503b12f135
commit 6a7684ef24
1 changed files with 3 additions and 3 deletions
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6
sys/kern/uipc_mbuf.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_mbuf.c,v 1.192 2018/04/19 05:16:02 maxv Exp $ */
/* $NetBSD: uipc_mbuf.c,v 1.193 2018/04/20 06:01:59 maxv Exp $ */
/*
* Copyright (c) 1999, 2001 The NetBSD Foundation, Inc.
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf.c,v 1.192 2018/04/19 05:16:02 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf.c,v 1.193 2018/04/20 06:01:59 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_mbuftrace.h"
@ -1112,7 +1112,7 @@ m_copyup(struct mbuf *n, int len, int dstoff)
int count, space;
KASSERT(len != M_COPYALL);
if (len > (MHLEN - dstoff))
if (len > ((int)MHLEN - dstoff))
goto bad;
m = m_get(M_DONTWAIT, n->m_type);
if (m == NULL)