2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2015-2018 The strace developers.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #define TEST_FLOCK_EINVAL(cmd) test_flock_einval(cmd, #cmd)
39 #define TEST_FLOCK64_EINVAL(cmd) test_flock64_einval(cmd, #cmd)
42 # define TYPEOF_FLOCK_OFF_T typeof(((struct_kernel_flock *) NULL)->l_len)
44 # define TYPEOF_FLOCK_OFF_T off_t
47 static const char *errstr;
50 invoke_test_syscall(const unsigned int fd, const unsigned int cmd, void *const p)
52 const kernel_ulong_t kfd = F8ILL_KULONG_MASK | fd;
53 const kernel_ulong_t op = F8ILL_KULONG_MASK | cmd;
55 long rc = syscall(TEST_SYSCALL_NR, kfd, op, (uintptr_t) p);
56 errstr = sprintrc(rc);
61 test_flock_einval(const int cmd, const char *name)
63 TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
64 memset(fl, 0, sizeof(*fl));
66 fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
67 fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;
69 invoke_test_syscall(0, cmd, fl);
70 printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
71 ", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
72 (intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);
74 void *const bad_addr = (void *) fl + 1;
75 invoke_test_syscall(0, cmd, bad_addr);
76 printf("%s(0, %s, %p) = %s\n",
77 TEST_SYSCALL_STR, name, bad_addr, errstr);
81 * This function is not declared static to avoid potential
82 * "defined but not used" warning when included by fcntl.c
85 test_flock64_einval(const int cmd, const char *name)
87 TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
88 memset(fl, 0, sizeof(*fl));
90 fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
91 fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;
93 invoke_test_syscall(0, cmd, fl);
94 printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
95 ", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
96 (intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);
98 void *const bad_addr = (void *) fl + 1;
99 invoke_test_syscall(0, cmd, bad_addr);
100 printf("%s(0, %s, %p) = %s\n",
101 TEST_SYSCALL_STR, name, bad_addr, errstr);
107 TEST_FLOCK_EINVAL(F_SETLK);
108 TEST_FLOCK_EINVAL(F_SETLKW);
110 TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
111 memset(fl, 0, sizeof(*fl));
112 fl->l_type = F_RDLCK;
113 fl->l_len = FILE_LEN;
115 long rc = invoke_test_syscall(0, F_SETLK, fl);
116 printf("%s(0, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
117 ", l_start=0, l_len=%d}) = %s\n",
118 TEST_SYSCALL_STR, FILE_LEN, errstr);
122 invoke_test_syscall(0, F_GETLK, fl);
123 printf("%s(0, F_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
124 ", l_start=0, l_len=%d, l_pid=0}) = 0\n",
125 TEST_SYSCALL_STR, FILE_LEN);
127 invoke_test_syscall(0, F_SETLKW, fl);
128 printf("%s(0, F_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
129 ", l_start=0, l_len=%d}) = 0\n",
130 TEST_SYSCALL_STR, FILE_LEN);
134 test_flock64_ofd(void)
136 #if defined F_OFD_GETLK && defined F_OFD_SETLK && defined F_OFD_SETLKW
137 TEST_FLOCK64_EINVAL(F_OFD_SETLK);
138 TEST_FLOCK64_EINVAL(F_OFD_SETLKW);
140 TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
141 memset(fl, 0, sizeof(*fl));
142 fl->l_type = F_RDLCK;
143 fl->l_len = FILE_LEN;
145 long rc = invoke_test_syscall(0, F_OFD_SETLK, fl);
146 printf("%s(0, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
147 ", l_start=0, l_len=%d}) = %s\n",
148 TEST_SYSCALL_STR, FILE_LEN, errstr);
152 invoke_test_syscall(0, F_OFD_GETLK, fl);
153 printf("%s(0, F_OFD_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
154 ", l_start=0, l_len=%d, l_pid=0}) = 0\n",
155 TEST_SYSCALL_STR, FILE_LEN);
157 invoke_test_syscall(0, F_OFD_SETLKW, fl);
158 printf("%s(0, F_OFD_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
159 ", l_start=0, l_len=%d}) = 0\n",
160 TEST_SYSCALL_STR, FILE_LEN);
161 #endif /* F_OFD_GETLK && F_OFD_SETLK && F_OFD_SETLKW */
164 static void test_flock64_lk64(void);
174 * F_[GS]ETOWN_EX had conflicting values with F_[SG]ETLK64
175 * in kernel revisions v2.6.32-rc1~96..v2.6.32-rc7~23.
177 #undef TEST_F_OWNER_EX
178 #if defined F_GETOWN_EX && defined F_SETOWN_EX \
179 && (F_GETOWN_EX != F_SETLK64) && (F_SETOWN_EX != F_GETLK64)
180 # define TEST_F_OWNER_EX
183 #ifdef TEST_F_OWNER_EX
184 # include "f_owner_ex.h"
187 test_f_owner_ex_type_pid(const int cmd, const char *const cmd_name,
188 const int type, const char *const type_name,
191 TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_f_owner_ex, fo);
195 long rc = invoke_test_syscall(0, cmd, fo);
196 printf("%s(0, %s, {type=%s, pid=%d}) = %s\n",
197 TEST_SYSCALL_STR, cmd_name, type_name, fo->pid, errstr);
199 void *bad_addr = (void *) fo + 1;
200 invoke_test_syscall(0, cmd, bad_addr);
201 printf("%s(0, %s, %p) = %s\n",
202 TEST_SYSCALL_STR, cmd_name, bad_addr, errstr);
208 test_f_owner_ex_umove_or_printaddr(const int type, const char *const type_name,
211 long rc = test_f_owner_ex_type_pid(ARG_STR(F_SETOWN_EX),
212 type, type_name, pid);
214 test_f_owner_ex_type_pid(ARG_STR(F_GETOWN_EX),
215 type, type_name, pid);
219 test_f_owner_ex(void)
221 static const struct {
223 const char *type_name;
226 { ARG_STR(F_OWNER_TID), { 1234567890, 20 } },
227 { ARG_STR(F_OWNER_PID), { 1298126790, 30 } },
228 { ARG_STR(F_OWNER_PGRP), { 1294567890, 40 } }
231 for (unsigned int i = 0; i < ARRAY_SIZE(a); i++) {
232 for (unsigned int j = 0; j < ARRAY_SIZE(a[0].pid); j++) {
233 test_f_owner_ex_umove_or_printaddr(a[i].type,
239 #endif /* TEST_F_OWNER_EX */
244 char fname[] = TEST_SYSCALL_STR "_XXXXXX";
248 perror_msg_and_fail("mkstemp: %s", fname);
250 perror_msg_and_fail("unlink: %s", fname);
251 if (ftruncate(0, FILE_LEN))
252 perror_msg_and_fail("ftruncate");
261 #ifdef TEST_F_OWNER_EX
265 puts("+++ exited with 0 +++");