1 /*
2 * Check decoding of pkey_alloc syscall.
3 *
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2018 The strace developers.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include <asm/unistd.h>
33 #include "scno.h"
34
35 #ifdef __NR_pkey_alloc
36
37 # include <stdio.h>
38 # include <unistd.h>
39
40 int
main(void)41 main(void)
42 {
43 static const kernel_ulong_t flags[] = {
44 0,
45 (kernel_ulong_t) 0xbadc0ded00000000ULL,
46 (kernel_ulong_t) 0xffff0000eeee1111ULL,
47 (kernel_ulong_t) 0x123456789abcdef0ULL,
48 };
49 static const struct {
50 kernel_ulong_t val;
51 const char *str;
52 } rights[] = {
53 { (kernel_ulong_t) 0xbadc0ded00000002ULL,
54 sizeof(kernel_ulong_t) > sizeof(int) ?
55 "PKEY_DISABLE_WRITE|0xbadc0ded00000000" :
56 "PKEY_DISABLE_WRITE" },
57 { 0xdec0ded, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_EXECUTE|"
58 "0xdec0de8" },
59 { 0x7, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE|"
60 "PKEY_DISABLE_EXECUTE" },
61 { ARG_STR(0) },
62 { 0xbadc0de8, "0xbadc0de8 /* PKEY_??? */" },
63 };
64
65 long rc;
66 unsigned int i;
67 unsigned int j;
68
69 for (i = 0; i < ARRAY_SIZE(flags); i++) {
70 for (j = 0; j < ARRAY_SIZE(rights); j++) {
71 rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val);
72 printf("pkey_alloc(%#llx, %s) = %s\n",
73 (unsigned long long) flags[i], rights[j].str,
74 sprintrc(rc));
75 }
76 }
77
78 puts("+++ exited with 0 +++");
79
80 return 0;
81 }
82
83 #else
84
85 SKIP_MAIN_UNDEFINED("__NR_pkey_alloc");
86
87 #endif
88