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1 /*
2  * Check decoding of invalid pointer by umoven.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 #include <stdio.h>
32 #include <time.h>
33 #include <unistd.h>
34 #include <asm/unistd.h>
35 
36 int
main(void)37 main(void)
38 {
39 	if (F8ILL_KULONG_SUPPORTED) {
40 		struct timespec ts = { 0, 0 };
41 		const void *const p = tail_memdup(&ts, sizeof(ts));
42 
43 		long rc = syscall(__NR_nanosleep, p, NULL);
44 		printf("nanosleep({tv_sec=0, tv_nsec=0}, NULL) = %s\n",
45 		       sprintrc(rc));
46 
47 		const kernel_ulong_t ill = f8ill_ptr_to_kulong(p);
48 		rc = syscall(__NR_nanosleep, ill, NULL);
49 		printf("nanosleep(%#llx, NULL) = %s\n",
50 		       (unsigned long long) ill, sprintrc(rc));
51 
52 		puts("+++ exited with 0 +++");
53 		return 0;
54 	} else {
55 		return 77;
56 	}
57 }
58