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Adjust prior to enforce minimum socket length includes sa_family 

Not that the code strictly needs it, but if the macro is ever used
elsewhere then it makes sense as every sockaddr must have it.
The rest of the structure is dictated by the family and in some cases,
truncated on purpose so this is fine.
This commit is contained in:
roy 2020-06-26 15:53:59 +00:00
parent 9d478d44f6
commit b7e1ccba51
1 changed files with 5 additions and 4 deletions
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9
sys/net/rtsock_shared.c
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@ -1,4 +1,4 @@
/* $NetBSD: rtsock_shared.c,v 1.18 2020/06/24 12:27:51 roy Exp $ */
/* $NetBSD: rtsock_shared.c,v 1.19 2020/06/26 15:53:59 roy Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rtsock_shared.c,v 1.18 2020/06/24 12:27:51 roy Exp $");
__KERNEL_RCSID(0, "$NetBSD: rtsock_shared.c,v 1.19 2020/06/26 15:53:59 roy Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -96,8 +96,9 @@ __KERNEL_RCSID(0, "$NetBSD: rtsock_shared.c,v 1.18 2020/06/24 12:27:51 roy Exp $
#include <compat/net/if.h>
#include <compat/net/route.h>
#define _SA_MINSIZE (offsetof(struct sockaddr, sa_len) + \
sizeof(((struct sockaddr *)0)->sa_len))
/* sa_family is after sa_len, rest is data */
#define _SA_MINSIZE (offsetof(struct sockaddr, sa_family) + \
sizeof(((struct sockaddr *)0)->sa_family))
#ifdef COMPAT_RTSOCK
/*