Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Linux Test Project, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of version 2 of the GNU General Public |
| 6 | * License as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it would be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11 | * |
| 12 | * Further, this software is distributed without any warranty that it |
| 13 | * is free of the rightful claim of any third person regarding |
| 14 | * infringement or the like. Any license provided herein, whether |
| 15 | * implied or otherwise, applies only to this software file. Patent |
| 16 | * licenses, if any, provided herein do not apply to combinations of |
| 17 | * this program with other software, or any other product whatsoever. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 22 | * 02110-1301, USA. |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * errno tests for migrate_pages() syscall |
| 27 | */ |
| 28 | #include <sys/types.h> |
| 29 | #include <sys/syscall.h> |
| 30 | #include <sys/wait.h> |
| 31 | #include <sys/mman.h> |
| 32 | #include <errno.h> |
| 33 | #if HAVE_NUMA_H |
| 34 | #include <numa.h> |
| 35 | #endif |
| 36 | #if HAVE_NUMAIF_H |
| 37 | #include <numaif.h> |
| 38 | #endif |
| 39 | #include <stdio.h> |
| 40 | #include <stdlib.h> |
| 41 | #include <string.h> |
| 42 | #include <unistd.h> |
| 43 | #include <pwd.h> |
| 44 | #include "config.h" |
| 45 | #include "test.h" |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 46 | #include "safe_macros.h" |
| 47 | #include "linux_syscall_numbers.h" |
| 48 | #include "numa_helper.h" |
| 49 | #include "migrate_pages_common.h" |
| 50 | |
| 51 | char *TCID = "migrate_pages01"; |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 52 | int TST_TOTAL = 1; |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 53 | |
| 54 | option_t options[] = { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 55 | {NULL, NULL, NULL} |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 56 | }; |
| 57 | |
Jan Stancek | 6ce219c | 2012-10-26 15:31:17 +0200 | [diff] [blame] | 58 | #if defined(__NR_migrate_pages) && HAVE_NUMA_H && HAVE_NUMAIF_H |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 59 | static unsigned long *sane_old_nodes; |
| 60 | static unsigned long *sane_new_nodes; |
| 61 | static int sane_nodemask_size; |
| 62 | static int sane_max_node; |
| 63 | |
| 64 | static void setup(void); |
| 65 | static void cleanup(void); |
| 66 | |
| 67 | static void test_sane_nodes(void) |
| 68 | { |
| 69 | tst_resm(TINFO, "test_empty_mask"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 70 | TEST(ltp_syscall(__NR_migrate_pages, 0, sane_max_node, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 71 | sane_old_nodes, sane_new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 72 | check_ret(0); |
| 73 | } |
| 74 | |
| 75 | static void test_invalid_pid(void) |
| 76 | { |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 77 | pid_t invalid_pid = -1; |
| 78 | |
| 79 | tst_resm(TINFO, "test_invalid_pid -1"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 80 | TEST(ltp_syscall(__NR_migrate_pages, invalid_pid, sane_max_node, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 81 | sane_old_nodes, sane_new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 82 | check_ret(-1); |
| 83 | check_errno(ESRCH); |
| 84 | |
Stanislav Kholmanskikh | 23b37f3 | 2014-06-30 14:48:24 +0400 | [diff] [blame] | 85 | tst_resm(TINFO, "test_invalid_pid unused pid"); |
| 86 | invalid_pid = tst_get_unused_pid(cleanup); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 87 | TEST(ltp_syscall(__NR_migrate_pages, invalid_pid, sane_max_node, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 88 | sane_old_nodes, sane_new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 89 | check_ret(-1); |
| 90 | check_errno(ESRCH); |
| 91 | } |
| 92 | |
| 93 | static void test_invalid_masksize(void) |
| 94 | { |
| 95 | tst_resm(TINFO, "test_invalid_masksize"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 96 | TEST(ltp_syscall(__NR_migrate_pages, 0, -1, sane_old_nodes, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 97 | sane_new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 98 | check_ret(-1); |
| 99 | check_errno(EINVAL); |
| 100 | } |
| 101 | |
| 102 | static void test_invalid_mem(void) |
| 103 | { |
| 104 | unsigned long *p; |
| 105 | |
| 106 | tst_resm(TINFO, "test_invalid_mem -1"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 107 | TEST(ltp_syscall(__NR_migrate_pages, 0, sane_max_node, -1, -1)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 108 | check_ret(-1); |
| 109 | check_errno(EFAULT); |
| 110 | |
| 111 | tst_resm(TINFO, "test_invalid_mem invalid prot"); |
| 112 | p = mmap(NULL, getpagesize(), PROT_NONE, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 113 | MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 114 | if (p == MAP_FAILED) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 115 | tst_brkm(TBROK | TERRNO, cleanup, "mmap"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 116 | TEST(ltp_syscall(__NR_migrate_pages, 0, sane_max_node, p, p)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 117 | check_ret(-1); |
| 118 | check_errno(EFAULT); |
| 119 | |
| 120 | if (munmap(p, getpagesize()) < 0) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 121 | tst_brkm(TBROK | TERRNO, cleanup, "munmap"); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 122 | tst_resm(TINFO, "test_invalid_mem unmmaped"); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 123 | TEST(ltp_syscall(__NR_migrate_pages, 0, sane_max_node, p, p)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 124 | check_ret(-1); |
| 125 | check_errno(EFAULT); |
| 126 | } |
| 127 | |
| 128 | static void test_invalid_nodes(void) |
| 129 | { |
| 130 | int *nodes; |
| 131 | int num_nodes, ret, i; |
| 132 | int invalid_node = 0; |
| 133 | unsigned long *old_nodes, *new_nodes; |
| 134 | |
| 135 | tst_resm(TINFO, "test_invalid_nodes"); |
| 136 | ret = get_allowed_nodes_arr(NH_MEMS, &num_nodes, &nodes); |
| 137 | if (ret < 0) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 138 | tst_brkm(TBROK | TERRNO, cleanup, |
| 139 | "get_allowed_nodes_arr: %d", ret); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 140 | |
| 141 | /* get first node which is not in nodes */ |
| 142 | for (i = 0; i < num_nodes; i++, invalid_node++) |
| 143 | if (invalid_node != nodes[i]) |
| 144 | break; |
| 145 | if (invalid_node < sane_max_node) { |
| 146 | old_nodes = SAFE_MALLOC(NULL, sane_nodemask_size); |
| 147 | new_nodes = SAFE_MALLOC(NULL, sane_nodemask_size); |
| 148 | memcpy(old_nodes, sane_old_nodes, sane_nodemask_size); |
| 149 | memset(new_nodes, 0, sane_nodemask_size); |
| 150 | set_bit(new_nodes, invalid_node, 1); |
| 151 | |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 152 | TEST(ltp_syscall(__NR_migrate_pages, 0, sane_max_node, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 153 | old_nodes, new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 154 | check_ret(-1); |
| 155 | check_errno(EINVAL); |
| 156 | free(old_nodes); |
| 157 | free(new_nodes); |
| 158 | } else { |
| 159 | tst_resm(TCONF, "All possible nodes are present"); |
| 160 | } |
| 161 | |
| 162 | free(nodes); |
| 163 | } |
| 164 | |
| 165 | static void test_invalid_perm(void) |
| 166 | { |
| 167 | char nobody_uid[] = "nobody"; |
| 168 | struct passwd *ltpuser; |
| 169 | int status; |
| 170 | pid_t child_pid; |
| 171 | pid_t parent_pid; |
| 172 | int ret = 0; |
| 173 | |
| 174 | tst_resm(TINFO, "test_invalid_perm"); |
| 175 | parent_pid = getpid(); |
| 176 | fflush(stdout); |
| 177 | child_pid = fork(); |
| 178 | switch (child_pid) { |
| 179 | case -1: |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 180 | tst_brkm(TBROK | TERRNO, cleanup, "fork"); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 181 | break; |
| 182 | case 0: |
| 183 | ltpuser = getpwnam(nobody_uid); |
| 184 | if (ltpuser == NULL) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 185 | tst_brkm(TBROK | TERRNO, NULL, "getpwnam failed"); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 186 | if (setuid(ltpuser->pw_uid) == -1) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 187 | tst_brkm(TBROK | TERRNO, NULL, |
| 188 | "setuid(%u) failed", ltpuser->pw_uid); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 189 | TEST(ltp_syscall(__NR_migrate_pages, parent_pid, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 190 | sane_max_node, sane_old_nodes, sane_new_nodes)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 191 | ret |= check_ret(-1); |
| 192 | ret |= check_errno(EPERM); |
| 193 | exit(ret); |
| 194 | default: |
| 195 | if (waitpid(child_pid, &status, 0) == -1) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 196 | tst_brkm(TBROK | TERRNO, cleanup, "waitpid"); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 197 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) |
| 198 | tst_resm(TFAIL, "child returns %d", status); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | int main(int argc, char *argv[]) |
| 203 | { |
| 204 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 205 | const char *msg; |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 206 | |
| 207 | msg = parse_opts(argc, argv, options, NULL); |
| 208 | if (msg != NULL) |
| 209 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| 210 | |
| 211 | setup(); |
| 212 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 213 | tst_count = 0; |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 214 | test_sane_nodes(); |
| 215 | test_invalid_pid(); |
| 216 | test_invalid_masksize(); |
| 217 | test_invalid_mem(); |
| 218 | test_invalid_nodes(); |
| 219 | test_invalid_perm(); |
| 220 | } |
| 221 | cleanup(); |
| 222 | tst_exit(); |
| 223 | } |
| 224 | |
| 225 | static void setup(void) |
| 226 | { |
| 227 | int node, ret; |
| 228 | |
| 229 | tst_require_root(NULL); |
Jan Stancek | 359980f | 2013-02-15 10:16:05 +0100 | [diff] [blame] | 230 | TEST(ltp_syscall(__NR_migrate_pages, 0, 0, NULL, NULL)); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 231 | |
| 232 | if (numa_available() == -1) |
| 233 | tst_brkm(TCONF, NULL, "NUMA not available"); |
| 234 | |
| 235 | ret = get_allowed_nodes(NH_MEMS, 1, &node); |
| 236 | if (ret < 0) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 237 | tst_brkm(TBROK | TERRNO, NULL, "get_allowed_nodes_arr: %d", |
| 238 | ret); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 239 | |
Stanislav Kholmanskikh | 89b2497 | 2013-08-27 16:49:51 +0400 | [diff] [blame] | 240 | sane_max_node = LTP_ALIGN(get_max_node(), sizeof(unsigned long)*8); |
| 241 | sane_nodemask_size = sane_max_node / 8; |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 242 | sane_old_nodes = SAFE_MALLOC(NULL, sane_nodemask_size); |
| 243 | sane_new_nodes = SAFE_MALLOC(NULL, sane_nodemask_size); |
| 244 | memset(sane_old_nodes, 0, sane_nodemask_size); |
| 245 | memset(sane_new_nodes, 0, sane_nodemask_size); |
| 246 | |
| 247 | set_bit(sane_old_nodes, node, 1); |
| 248 | set_bit(sane_new_nodes, node, 1); |
| 249 | |
| 250 | TEST_PAUSE; |
| 251 | } |
| 252 | |
| 253 | static void cleanup(void) |
| 254 | { |
| 255 | free(sane_old_nodes); |
| 256 | free(sane_new_nodes); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | #else /* __NR_migrate_pages */ |
| 260 | int main(void) |
| 261 | { |
| 262 | tst_brkm(TCONF, NULL, "System doesn't support __NR_migrate_pages" |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 263 | " or libnuma is not available"); |
Jan Stancek | 5765e2c | 2012-10-26 15:31:16 +0200 | [diff] [blame] | 264 | } |
| 265 | #endif |