14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * CDDL HEADER START
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * The contents of this file are subject to the terms of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Common Development and Distribution License (the "License").
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * You may not use this file except in compliance with the License.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * or http://www.opensolaris.org/os/licensing.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * See the License for the specific language governing permissions
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * and limitations under the License.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * When distributing Covered Code, include this CDDL HEADER in each
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * If applicable, add the following below this CDDL HEADER, with the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * fields enclosed by brackets "[]" replaced with your own identifying
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * information: Portions Copyright [yyyy] [name of copyright owner]
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * CDDL HEADER END
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Use is subject to license terms.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#pragma ident "%Z%%M% %I% %E% SMI"
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Test that there is no value of 'size' which can be passed to copyin
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * to cause mischief. The somewhat odd order of operations ensures
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * that we test both size = 0 and size = 0xfff...fff
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#include <sys/types.h>
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#if defined(_LP64)
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#define MAX_BITS 63
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsize_t size;
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#else
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#define MAX_BITS 31
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsize_t size;
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync#endif
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsyscall:::
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/pid == $pid/
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync{
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync printf("size = 0x%lx\n", (ulong_t)size);
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync}
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsyscall:::
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/pid == $pid/
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync{
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync tracemem(copyin(curthread->t_procp->p_user.u_envp, size), 10);
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync}
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsyscall:::
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/pid == $pid && size > (1 << MAX_BITS)/
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync{
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync exit(0);
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync}
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsyncsyscall:::
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/pid == $pid/
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync{
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync size = (size << 1ULL) | 1ULL;
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync}