1 /*
2 * Check decoding of setitimer and getitimer syscalls.
3 *
4 * Copyright (c) 2015-2017 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 <stdint.h>
33 #include <sys/time.h>
34 #include <unistd.h>
35 #include <asm/unistd.h>
36
37 int
main(void)38 main(void)
39 {
40 static const struct itimerval new = {
41 .it_interval = { 0xc0de1, 0xc0de2 },
42 .it_value = { 0xc0de3, 0xc0de4 }
43 };
44 static const kernel_ulong_t long_timer =
45 F8ILL_KULONG_MASK | ITIMER_REAL;
46 static const kernel_ulong_t bogus_timer =
47 (kernel_ulong_t) 0xfacefeeddeadbeefULL;
48
49 TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerval, p_old);
50 struct itimerval *const p_new = tail_memdup(&new, sizeof(new));
51 void *const efault = tail_alloc(sizeof(new) - 8);
52 long rc;
53
54 if (setitimer(ITIMER_REAL, p_new, NULL))
55 perror_msg_and_skip("setitimer");
56 printf("setitimer(ITIMER_REAL"
57 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
58 ", it_value={tv_sec=%lld, tv_usec=%llu}}"
59 ", NULL) = 0\n",
60 (long long) new.it_interval.tv_sec,
61 zero_extend_signed_to_ull(new.it_interval.tv_usec),
62 (long long) new.it_value.tv_sec,
63 zero_extend_signed_to_ull(new.it_value.tv_usec));
64
65 fill_memory(p_old, sizeof(*p_old));
66 if (getitimer(ITIMER_REAL, p_old))
67 perror_msg_and_skip("getitimer");
68 printf("getitimer(ITIMER_REAL"
69 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
70 ", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
71 (long long) p_old->it_interval.tv_sec,
72 zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
73 (long long) p_old->it_value.tv_sec,
74 zero_extend_signed_to_ull(p_old->it_value.tv_usec));
75
76 fill_memory(p_old, sizeof(*p_old));
77 setitimer(ITIMER_REAL, p_new, p_old);
78 printf("setitimer(ITIMER_REAL"
79 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
80 ", it_value={tv_sec=%lld, tv_usec=%llu}}"
81 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
82 ", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
83 (long long) new.it_interval.tv_sec,
84 zero_extend_signed_to_ull(new.it_interval.tv_usec),
85 (long long) new.it_value.tv_sec,
86 zero_extend_signed_to_ull(new.it_value.tv_usec),
87 (long long) p_old->it_interval.tv_sec,
88 zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
89 (long long) p_old->it_value.tv_sec,
90 zero_extend_signed_to_ull(p_old->it_value.tv_usec));
91
92 rc = getitimer(ITIMER_REAL, efault);
93 printf("getitimer(ITIMER_REAL, %p) = %s\n", efault, sprintrc(rc));
94
95 rc = setitimer(ITIMER_REAL, p_new, efault);
96 printf("setitimer(ITIMER_REAL"
97 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
98 ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
99 (long long) new.it_interval.tv_sec,
100 zero_extend_signed_to_ull(new.it_interval.tv_usec),
101 (long long) new.it_value.tv_sec,
102 zero_extend_signed_to_ull(new.it_value.tv_usec),
103 efault, sprintrc(rc));
104
105 rc = setitimer(ITIMER_REAL, efault, p_old);
106 printf("setitimer(ITIMER_REAL, %p, %p) = %s\n",
107 efault, p_old, sprintrc(rc));
108
109 fill_memory(p_old, sizeof(*p_old));
110 rc = syscall(__NR_setitimer, long_timer, p_new, p_old);
111 printf("setitimer(ITIMER_REAL"
112 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
113 ", it_value={tv_sec=%lld, tv_usec=%llu}}"
114 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
115 ", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
116 (long long) new.it_interval.tv_sec,
117 zero_extend_signed_to_ull(new.it_interval.tv_usec),
118 (long long) new.it_value.tv_sec,
119 zero_extend_signed_to_ull(new.it_value.tv_usec),
120 (long long) p_old->it_interval.tv_sec,
121 zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
122 (long long) p_old->it_value.tv_sec,
123 zero_extend_signed_to_ull(p_old->it_value.tv_usec),
124 sprintrc(rc));
125
126 fill_memory(p_old, sizeof(*p_old));
127 rc = syscall(__NR_getitimer, long_timer, p_old);
128 printf("getitimer(ITIMER_REAL"
129 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
130 ", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
131 (long long) p_old->it_interval.tv_sec,
132 zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
133 (long long) p_old->it_value.tv_sec,
134 zero_extend_signed_to_ull(p_old->it_value.tv_usec),
135 sprintrc(rc));
136
137 rc = syscall(__NR_setitimer, bogus_timer, p_new, p_old);
138 printf("setitimer(%#x /* ITIMER_??? */"
139 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
140 ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
141 (int) bogus_timer,
142 (long long) new.it_interval.tv_sec,
143 zero_extend_signed_to_ull(new.it_interval.tv_usec),
144 (long long) new.it_value.tv_sec,
145 zero_extend_signed_to_ull(new.it_value.tv_usec),
146 p_old, sprintrc(rc));
147
148 rc = syscall(__NR_getitimer, bogus_timer, p_old);
149 printf("getitimer(%#x /* ITIMER_??? */, %p) = %s\n",
150 (int) bogus_timer, p_old, sprintrc(rc));
151
152 if (F8ILL_KULONG_SUPPORTED) {
153 const kernel_ulong_t ill_new = f8ill_ptr_to_kulong(p_new);
154 const kernel_ulong_t ill_old = f8ill_ptr_to_kulong(p_old);
155
156 rc = syscall(__NR_setitimer, long_timer, ill_new, ill_old);
157 printf("setitimer(ITIMER_REAL, %#llx, %#llx) = %s\n",
158 (unsigned long long) ill_new,
159 (unsigned long long) ill_old,
160 sprintrc(rc));
161
162 rc = syscall(__NR_getitimer, long_timer, ill_old);
163 printf("getitimer(ITIMER_REAL, %#llx) = %s\n",
164 (unsigned long long) ill_old, sprintrc(rc));
165 }
166
167 p_new->it_interval.tv_sec = 0xdeadbeefU;
168 p_new->it_interval.tv_usec = 0xfacefeedU;
169 p_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
170 p_new->it_value.tv_usec = (long) 0xbadc0dedfacefeedLL;
171
172 rc = setitimer(ITIMER_REAL, p_new, p_old);
173 printf("setitimer(ITIMER_REAL"
174 ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
175 ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
176 (long long) p_new->it_interval.tv_sec,
177 zero_extend_signed_to_ull(p_new->it_interval.tv_usec),
178 (long long) p_new->it_value.tv_sec,
179 zero_extend_signed_to_ull(p_new->it_value.tv_usec),
180 p_old, sprintrc(rc));
181
182 puts("+++ exited with 0 +++");
183 return 0;
184 }
185