[src/trunk]: src/sys/kern fix this properly.

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2fa2163f773e
branches:  trunk
changeset: 344433:2fa2163f773e
user:      macallan <macallan%NetBSD.org@localhost>
date:      Mon Mar 28 16:45:44 2016 +0000

description:
fix this properly.
uap is supposed to hold init's argv[], so it's 3 * sizeof(char *), the bug
was to copyout(..., sizeof(args)) which is an array of syscallargs, not argv
*

diffstat:

 sys/kern/init_main.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 06f1d41c6153 -r 2fa2163f773e sys/kern/init_main.c
--- a/sys/kern/init_main.c      Mon Mar 28 15:45:18 2016 +0000
+++ b/sys/kern/init_main.c      Mon Mar 28 16:45:44 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init_main.c,v 1.478 2016/03/28 15:45:18 macallan Exp $ */
+/*     $NetBSD: init_main.c,v 1.479 2016/03/28 16:45:44 macallan Exp $ */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -97,7 +97,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.478 2016/03/28 15:45:18 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.479 2016/03/28 16:45:44 macallan Exp $");
 
 #include "opt_ddb.h"
 #include "opt_inet.h"
@@ -1035,7 +1035,7 @@
                 * Move out the arg pointers.
                 */
                ucp = (void *)STACK_ALIGN(ucp, STACK_ALIGNBYTES);
-               uap = (char **)STACK_ALLOC(ucp, sizeof(args));
+               uap = (char **)STACK_ALLOC(ucp, sizeof(argv));
                SCARG(&args, path) = arg0;
                SCARG(&args, argp) = uap;
                SCARG(&args, envp) = NULL;
@@ -1044,7 +1044,7 @@
                argv[0] = slash ? arg0 + (slash + 1 - path) : arg0;
                argv[1] = arg1;
                argv[2] = NULL;
-               if ((error = copyout(argv, uap, sizeof(args))) != 0)
+               if ((error = copyout(argv, uap, sizeof(argv))) != 0)
                        goto copyerr;
 
                /*