1 /*
2 * Check decoding of DM_* commands of ioctl syscall.
3 *
4 * Copyright (c) 2016 Mikulas Patocka <mpatocka@redhat.com>
5 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
6 * Copyright (c) 2016-2018 The strace developers.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "tests.h"
33
34 #ifdef HAVE_LINUX_DM_IOCTL_H
35
36 # include <errno.h>
37 # include <inttypes.h>
38 # include <stdbool.h>
39 # include <stdio.h>
40 # include <stddef.h>
41 # include <string.h>
42 # include <sys/ioctl.h>
43 # include <linux/ioctl.h>
44 # include <linux/dm-ioctl.h>
45
46 # ifndef VERBOSE
47 # define VERBOSE 0
48 # endif
49
50 # define STR32 "AbCdEfGhIjKlMnOpQrStUvWxYz012345"
51
52 # define ALIGNED_SIZE(s_, t_) \
53 (((s_) + (ALIGNOF(t_) - 1UL)) & ~(ALIGNOF(t_) - 1UL))
54 # define ALIGNED_OFFSET(t_, m_) \
55 ALIGNED_SIZE(offsetof(t_, m_), t_)
56
57 # ifndef DM_DEV_ARM_POLL
58 # define DM_DEV_ARM_POLL _IOWR(DM_IOCTL, 0x10, struct dm_ioctl)
59 # endif
60
61 static const char str129[] = STR32 STR32 STR32 STR32 "6";
62
63 static const __u64 dts_sector_base = (__u64) 0xdeadca75facef157ULL;
64 static const __u64 dts_sector_step = (__u64) 0x100000001ULL;
65 static const __u64 dts_length_base = (__u64) 0xbadc0dedda7a1057ULL;
66 static const __u64 dts_length_step = (__u64) 0x700000007ULL;
67 static const __s32 dts_status_base = (__s32) 3141592653U;
68 static const __s32 dts_status_step = 0x1234;
69
70 static const size_t min_sizeof_dm_ioctl =
71 offsetof(struct dm_ioctl, data);
72
73 static struct s {
74 struct dm_ioctl ioc;
75 union {
76 struct {
77 struct dm_target_spec target_spec;
78 char target_params[256];
79 } ts;
80 struct {
81 struct dm_target_msg target_msg;
82 char target_string[256];
83 } tm;
84 char string[256];
85 } u;
86 } s;
87
88 struct dm_table_open_test {
89 struct dm_ioctl ioc;
90 struct dm_target_spec target0;
91 char param0[1];
92 struct dm_target_spec target1;
93 char param1[2];
94 struct dm_target_spec target2;
95 char param2[3];
96 struct dm_target_spec target3;
97 char param3[4];
98 struct dm_target_spec target4;
99 char param4[5];
100 struct dm_target_spec target5;
101 char param5[6];
102 struct dm_target_spec target6;
103 char param6[7];
104 struct dm_target_spec target7;
105 char param7[8];
106 struct dm_target_spec target8;
107 char param8[9];
108 struct dm_target_spec target9;
109 char param9[10];
110 };
111
112 struct dm_target_msg_test {
113 struct dm_ioctl ioc;
114 struct dm_target_msg msg;
115 };
116
117 struct args {
118 unsigned int arg;
119 const char *str;
120 bool has_params;
121 bool has_event_nr;
122 };
123
124
125 static void
init_s(struct dm_ioctl * s,size_t size,size_t offs)126 init_s(struct dm_ioctl *s, size_t size, size_t offs)
127 {
128 memset(s, 0, size);
129 s->version[0] = DM_VERSION_MAJOR;
130 s->version[1] = 1;
131 s->version[2] = 2;
132 s->data_size = size;
133 s->data_start = offs;
134 s->dev = 0x1234;
135 strcpy(s->name, "nnn");
136 strcpy(s->uuid, "uuu");
137 }
138
139 static void
init_dm_target_spec(struct dm_target_spec * ptr,uint32_t id)140 init_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
141 {
142 ptr->sector_start = dts_sector_base + dts_sector_step * id;
143 ptr->length = dts_length_base + dts_length_step * id;
144 ptr->status = dts_status_base + dts_status_step * id;
145
146 memcpy(ptr->target_type, str129 +
147 id % (sizeof(str129) - sizeof(ptr->target_type)),
148 id % (sizeof(ptr->target_type) + 1));
149 if (id % (sizeof(ptr->target_type) + 1) < sizeof(ptr->target_type))
150 ptr->target_type[id % (sizeof(ptr->target_type) + 1)] = '\0';
151 }
152
153 # if VERBOSE
154 static void
print_dm_target_spec(struct dm_target_spec * ptr,uint32_t id)155 print_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
156 {
157 printf("{sector_start=%" PRI__u64 ", length=%" PRI__u64 ", "
158 "target_type=\"%.*s\", string=",
159 dts_sector_base + dts_sector_step * id,
160 dts_length_base + dts_length_step * id,
161 (int) (id % (sizeof(ptr->target_type) + 1)),
162 str129 + id % (sizeof(str129) - sizeof(ptr->target_type)));
163 }
164 # endif /* VERBOSE */
165
166 int
main(void)167 main(void)
168 {
169 static kernel_ulong_t dummy_dm_ioctl1 =
170 _IOC(_IOC_READ, DM_IOCTL, 0, 0x1fff);
171 static kernel_ulong_t dummy_dm_ioctl2 =
172 _IOC(_IOC_READ|_IOC_WRITE, DM_IOCTL, 0xed, 0);
173 static kernel_ulong_t dummy_dm_arg =
174 (kernel_ulong_t) 0xbadc0dedda7a1057ULL;
175 /* We can't check these properly for now */
176 static struct args dummy_check_cmds_nodev[] = {
177 { ARG_STR(DM_REMOVE_ALL), false },
178 { ARG_STR(DM_LIST_DEVICES), true },
179 { ARG_STR(DM_LIST_VERSIONS), true },
180 };
181 static struct args dummy_check_cmds[] = {
182 { ARG_STR(DM_DEV_CREATE), false },
183 { ARG_STR(DM_DEV_REMOVE), false, true },
184 { ARG_STR(DM_DEV_STATUS), false },
185 { ARG_STR(DM_DEV_WAIT), true, true },
186 { ARG_STR(DM_TABLE_CLEAR), false },
187 { ARG_STR(DM_TABLE_DEPS), true },
188 { ARG_STR(DM_TABLE_STATUS), true },
189 { ARG_STR(DM_DEV_ARM_POLL), false },
190 };
191
192 struct dm_ioctl *unaligned_dm_arg =
193 tail_alloc(offsetof(struct dm_ioctl, data));
194 struct dm_ioctl *dm_arg =
195 tail_alloc(ALIGNED_OFFSET(struct dm_ioctl, data));
196 struct dm_table_open_test *dm_arg_open1 =
197 tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target1));
198 struct dm_table_open_test *dm_arg_open2 =
199 tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, param1));
200 struct dm_table_open_test *dm_arg_open3 =
201 tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target9));
202 struct dm_target_msg_test *dm_arg_msg =
203 tail_alloc(sizeof(*dm_arg_msg));
204
205 long rc;
206 const char *errstr;
207 unsigned int i;
208
209
210 /* Incorrect operation */
211 ioctl(-1, _IOW(DM_IOCTL, 0xde, int), dm_arg);
212 printf("ioctl(-1, _IOC(_IOC_WRITE, %#x, 0xde, %#zx), %p) = "
213 "-1 EBADF (%m)\n",
214 DM_IOCTL, sizeof(int), dm_arg);
215
216 ioctl(-1, dummy_dm_ioctl1, 0);
217 printf("ioctl(-1, _IOC(_IOC_READ, %#x, 0, %#x), 0) = -1 EBADF (%m)\n",
218 DM_IOCTL, (unsigned int) _IOC_SIZE(dummy_dm_ioctl1));
219
220 ioctl(-1, dummy_dm_ioctl2, dummy_dm_arg);
221 printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, %#x, %#x, 0), %#lx) = "
222 "-1 EBADF (%m)\n",
223 DM_IOCTL, (unsigned int) _IOC_NR(dummy_dm_ioctl2),
224 (unsigned long) dummy_dm_arg);
225
226
227 /* DM_VERSION */
228 /* Incorrect pointer */
229 ioctl(-1, DM_VERSION, dm_arg + 1);
230 printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", dm_arg + 1);
231
232 /* Incorrect data_size */
233 init_s(dm_arg, 0, 0);
234 ioctl(-1, DM_VERSION, &s);
235 printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", &s);
236
237 /* Incorrect version */
238 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
239 dm_arg->version[0] = 0xbadc0ded;
240 dm_arg->version[1] = 0xbadc0dee;
241 dm_arg->version[2] = 0xbadc0def;
242 ioctl(-1, DM_VERSION, dm_arg);
243 printf("ioctl(-1, DM_VERSION, {version=%u.%u.%u"
244 " /* unsupported device mapper ABI version */}) = "
245 "-1 EBADF (%m)\n", 0xbadc0ded, 0xbadc0dee, 0xbadc0def);
246
247 /* Incorrect data_size */
248 init_s(dm_arg, 14, 64);
249 ioctl(-1, DM_VERSION, dm_arg);
250 printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=14"
251 " /* data_size too small */}) = -1 EBADF (%m)\n");
252
253 /* Unterminated name/uuid */
254 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
255 memcpy(dm_arg->name, str129, sizeof(dm_arg->name));
256 memcpy(dm_arg->uuid, str129, sizeof(dm_arg->uuid));
257 ioctl(-1, DM_VERSION, dm_arg);
258 printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=%zu, "
259 "dev=makedev(18, 52), name=\"%.127s\"..., uuid=\"%.128s\"..., "
260 "flags=0}) = -1 EBADF (%m)\n",
261 min_sizeof_dm_ioctl, str129, str129);
262
263 /* Normal call */
264 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
265 ioctl(-1, DM_VERSION, dm_arg);
266 printf("ioctl(-1, DM_VERSION, "
267 "{version=4.1.2, data_size=%zu, "
268 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
269 "-1 EBADF (%m)\n", min_sizeof_dm_ioctl);
270
271 /* Zero dev, name, uuid */
272 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
273 dm_arg->data_size = 0xfacefeed;
274 dm_arg->dev = 0;
275 dm_arg->name[0] = '\0';
276 dm_arg->uuid[0] = '\0';
277 ioctl(-1, DM_VERSION, dm_arg);
278 printf("ioctl(-1, DM_VERSION, "
279 "{version=4.1.2, data_size=%u, flags=0}) = "
280 "-1 EBADF (%m)\n", 0xfacefeed);
281
282 /* Flag */
283 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
284 dm_arg->flags = 0xffffffff;
285 ioctl(-1, DM_VERSION, dm_arg);
286 printf("ioctl(-1, DM_VERSION, "
287 "{version=4.1.2, data_size=%zu, "
288 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags="
289 "DM_READONLY_FLAG|DM_SUSPEND_FLAG|DM_EXISTS_FLAG|"
290 "DM_PERSISTENT_DEV_FLAG|DM_STATUS_TABLE_FLAG|"
291 "DM_ACTIVE_PRESENT_FLAG|DM_INACTIVE_PRESENT_FLAG|"
292 "DM_BUFFER_FULL_FLAG|DM_SKIP_BDGET_FLAG|DM_SKIP_LOCKFS_FLAG|"
293 "DM_NOFLUSH_FLAG|DM_QUERY_INACTIVE_TABLE_FLAG|"
294 "DM_UEVENT_GENERATED_FLAG|DM_UUID_FLAG|DM_SECURE_DATA_FLAG|"
295 "DM_DATA_OUT_FLAG|DM_DEFERRED_REMOVE|DM_INTERNAL_SUSPEND_FLAG|"
296 "0xfff80080}) = -1 EBADF (%m)\n",
297 min_sizeof_dm_ioctl);
298
299 /* Normal call */
300 init_s(&s.ioc, sizeof(s.ioc), 0);
301 ioctl(-1, DM_VERSION, &s);
302 printf("ioctl(-1, DM_VERSION, "
303 "{version=4.1.2, data_size=%zu, "
304 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
305 "-1 EBADF (%m)\n", sizeof(s.ioc));
306
307
308 /* DM_REMOVE_ALL */
309 /* DM_LIST_DEVICES */
310 /* DM_LIST_VERSIONS */
311 for (i = 0; i < ARRAY_SIZE(dummy_check_cmds_nodev); i++) {
312 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
313 ioctl(-1, dummy_check_cmds_nodev[i].arg, dm_arg);
314 printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
315 "flags=0}) = -1 EBADF (%m)\n",
316 dummy_check_cmds_nodev[i].str,
317 min_sizeof_dm_ioctl,
318 dummy_check_cmds_nodev[i].has_params ?
319 ", data_start=0" : "");
320 }
321
322
323 /* DM_DEV_CREATE */
324 /* DM_DEV_REMOVE */
325 /* DM_DEV_STATUS */
326 /* DM_DEV_WAIT */
327 /* DM_TABLE_CLEAR */
328 /* DM_TABLE_DEPS */
329 /* DM_TABLE_STATUS */
330 for (i = 0; i < ARRAY_SIZE(dummy_check_cmds); i++) {
331 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
332 ioctl(-1, dummy_check_cmds[i].arg, dm_arg);
333 printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
334 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\"%s, "
335 "flags=0}) = -1 EBADF (%m)\n",
336 dummy_check_cmds[i].str, min_sizeof_dm_ioctl,
337 dummy_check_cmds[i].has_params ? ", data_start=0" : "",
338 dummy_check_cmds[i].has_event_nr ? ", event_nr=0" : "");
339 }
340
341
342 /* DM_DEV_SUSPEND */
343 init_s(&s.ioc, sizeof(s.ioc), 0);
344 s.ioc.flags = DM_SUSPEND_FLAG;
345 s.ioc.event_nr = 0xbadc0ded;
346 ioctl(-1, DM_DEV_SUSPEND, &s);
347 printf("ioctl(-1, DM_DEV_SUSPEND, "
348 "{version=4.1.2, data_size=%zu, "
349 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
350 "flags=DM_SUSPEND_FLAG}) = -1 EBADF (%m)\n", sizeof(s.ioc));
351
352 init_s(&s.ioc, sizeof(s.ioc), 0);
353 s.ioc.event_nr = 0xbadc0ded;
354 ioctl(-1, DM_DEV_SUSPEND, &s);
355 printf("ioctl(-1, DM_DEV_SUSPEND, "
356 "{version=4.1.2, data_size=%zu, dev=makedev(18, 52), "
357 "name=\"nnn\", uuid=\"uuu\", event_nr=3134983661, "
358 "flags=0}) = -1 EBADF (%m)\n", sizeof(s.ioc));
359
360
361 /* DM_TABLE_LOAD */
362 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
363 s.ioc.target_count = 1;
364 s.u.ts.target_spec.sector_start = 0x10;
365 s.u.ts.target_spec.length = 0x20;
366 s.u.ts.target_spec.next =
367 sizeof(s.u.ts.target_spec) + sizeof(s.u.ts.target_params);
368 strcpy(s.u.ts.target_spec.target_type, "tgt");
369 strcpy(s.u.ts.target_params, "tparams");
370 ioctl(-1, DM_TABLE_LOAD, &s);
371 printf("ioctl(-1, DM_TABLE_LOAD, "
372 "{version=4.1.2, data_size=%u, data_start=%u, "
373 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
374 "target_count=1, flags=0, "
375 # if VERBOSE
376 "{sector_start=16, length=32, target_type=\"tgt\", "
377 "string=\"tparams\"}"
378 # else /* !VERBOSE */
379 "..."
380 # endif /* VERBOSE */
381 "}) = -1 EBADF (%m)\n", s.ioc.data_size, s.ioc.data_start);
382
383 /* No targets */
384 init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
385 dm_arg->data_size = sizeof(*dm_arg);
386 dm_arg->target_count = 0;
387 ioctl(-1, DM_TABLE_LOAD, dm_arg);
388 printf("ioctl(-1, DM_TABLE_LOAD, "
389 "{version=4.1.2, data_size=%zu, data_start=%zu, "
390 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
391 "target_count=0, flags=0}) = -1 EBADF (%m)\n",
392 sizeof(*dm_arg), min_sizeof_dm_ioctl);
393
394 /* Invalid data_start */
395 init_s(dm_arg, min_sizeof_dm_ioctl, 0xfffffff8);
396 dm_arg->data_size = sizeof(*dm_arg);
397 dm_arg->target_count = 1234;
398 ioctl(-1, DM_TABLE_LOAD, dm_arg);
399 printf("ioctl(-1, DM_TABLE_LOAD, "
400 "{version=4.1.2, data_size=%zu, data_start=%u, "
401 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
402 "target_count=1234, flags=0, "
403 # if VERBOSE
404 "??? /* misplaced struct dm_target_spec */"
405 # else
406 "..."
407 # endif /* VERBOSE */
408 "}) = -1 EBADF (%m)\n", sizeof(*dm_arg), 0xfffffff8);
409
410 /* Inaccessible pointer */
411 init_s(&dm_arg_open1->ioc, offsetof(struct dm_table_open_test, target1),
412 offsetof(struct dm_table_open_test, target1));
413 dm_arg_open1->ioc.data_size = sizeof(*dm_arg_open1);
414 dm_arg_open1->ioc.target_count = 0xdeaddea1;
415 ioctl(-1, DM_TABLE_LOAD, dm_arg_open1);
416 printf("ioctl(-1, DM_TABLE_LOAD, "
417 "{version=4.1.2, data_size=%zu, data_start=%zu, "
418 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
419 "target_count=3735936673, flags=0, "
420 # if VERBOSE
421 "%p"
422 # else /* !VERBOSE */
423 "..."
424 # endif /* VERBOSE */
425 "}) = -1 EBADF (%m)\n", sizeof(*dm_arg_open1),
426 offsetof(struct dm_table_open_test, target1)
427 # if VERBOSE
428 , (char *) dm_arg_open1 +
429 offsetof(struct dm_table_open_test, target1)
430 # endif /* VERBOSE */
431 );
432
433 /* Inaccessible string */
434 init_s(&dm_arg_open2->ioc, offsetof(struct dm_table_open_test, param1),
435 offsetof(struct dm_table_open_test, target1));
436 dm_arg_open2->ioc.data_size = sizeof(*dm_arg_open2);
437 dm_arg_open2->ioc.target_count = 2;
438 init_dm_target_spec(&dm_arg_open2->target1, 7);
439 dm_arg_open2->target1.next =
440 offsetof(struct dm_table_open_test, target3) -
441 offsetof(struct dm_table_open_test, target1);
442 rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open2);
443 errstr = sprintrc(rc);
444 printf("ioctl(-1, DM_TABLE_LOAD, "
445 "{version=4.1.2, data_size=%zu, data_start=%zu, "
446 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
447 "target_count=2, flags=0, ",
448 sizeof(*dm_arg_open2),
449 offsetof(struct dm_table_open_test, target1));
450 # if VERBOSE
451 print_dm_target_spec(&dm_arg_open2->target1, 7);
452 printf("%p}, %p",
453 (char *) dm_arg_open2 +
454 offsetof(struct dm_table_open_test, param1),
455 (char *) dm_arg_open2 +
456 offsetof(struct dm_table_open_test, target3));
457 # else /* !VERBOSE */
458 printf("...");
459 # endif /* VERBOSE */
460 printf("}) = %s\n", errstr);
461
462 /* Incorrect next */
463 init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target5),
464 offsetof(struct dm_table_open_test, target0));
465 dm_arg_open3->ioc.target_count = 4;
466
467 init_dm_target_spec(&dm_arg_open3->target0, 9);
468 dm_arg_open3->target0.next =
469 offsetof(struct dm_table_open_test, target1) -
470 offsetof(struct dm_table_open_test, target0);
471 dm_arg_open3->param0[0] = '\0';
472
473 init_dm_target_spec(&dm_arg_open3->target1, 15);
474 dm_arg_open3->target1.next =
475 offsetof(struct dm_table_open_test, target3) -
476 offsetof(struct dm_table_open_test, target1);
477 dm_arg_open3->param1[0] = '\377';
478 dm_arg_open3->param1[1] = '\0';
479
480 init_dm_target_spec(&dm_arg_open3->target3, 42);
481 dm_arg_open3->target3.next = 0xdeadbeef;
482 dm_arg_open3->param3[0] = '\1';
483 dm_arg_open3->param3[1] = '\2';
484 dm_arg_open3->param3[2] = '\0';
485
486 rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
487 errstr = sprintrc(rc);
488 printf("ioctl(-1, DM_TABLE_LOAD, "
489 "{version=4.1.2, data_size=%zu, data_start=%zu, "
490 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
491 "target_count=4, flags=0, ",
492 offsetof(struct dm_table_open_test, target5),
493 offsetof(struct dm_table_open_test, target0));
494 # if VERBOSE
495 print_dm_target_spec(&dm_arg_open3->target0, 9);
496 printf("\"\"}, ");
497 print_dm_target_spec(&dm_arg_open3->target1, 15);
498 printf("\"\\377\"}, ");
499 print_dm_target_spec(&dm_arg_open3->target1, 42);
500 printf("\"\\1\\2\"}, ??? /* misplaced struct dm_target_spec */");
501 # else /* !VERBOSE */
502 printf("...");
503 # endif /* VERBOSE */
504 printf("}) = %s\n", errstr);
505
506 #define FILL_DM_TARGET(id, id_next) \
507 do { \
508 init_dm_target_spec(&dm_arg_open3->target##id, id); \
509 dm_arg_open3->target##id.next = \
510 offsetof(struct dm_table_open_test, \
511 target##id_next) - \
512 offsetof(struct dm_table_open_test, \
513 target##id); \
514 memcpy(dm_arg_open3->param##id, str129 + id * 2, id); \
515 dm_arg_open3->param##id[id] = '\0'; \
516 } while (0)
517 #define PRINT_DM_TARGET(id) \
518 do { \
519 print_dm_target_spec(&dm_arg_open3->target##id, id); \
520 printf("\"%.*s\"}, ", id, str129 + id * 2); \
521 } while (0)
522
523 /* max_strlen limit */
524 init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target9),
525 offsetof(struct dm_table_open_test, target0));
526 dm_arg_open3->ioc.data_size = sizeof(*dm_arg_open3);
527 dm_arg_open3->ioc.target_count = 0xbadc0ded;
528 FILL_DM_TARGET(0, 1);
529 FILL_DM_TARGET(1, 2);
530 FILL_DM_TARGET(2, 3);
531 FILL_DM_TARGET(3, 4);
532 FILL_DM_TARGET(4, 5);
533 FILL_DM_TARGET(5, 6);
534 FILL_DM_TARGET(6, 7);
535 FILL_DM_TARGET(7, 8);
536 FILL_DM_TARGET(8, 9);
537 rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
538 errstr = sprintrc(rc);
539 printf("ioctl(-1, DM_TABLE_LOAD, "
540 "{version=4.1.2, data_size=%zu, data_start=%zu, "
541 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
542 "target_count=3134983661, flags=0, ",
543 sizeof(*dm_arg_open3),
544 offsetof(struct dm_table_open_test, target0));
545 # if VERBOSE
546 PRINT_DM_TARGET(0);
547 PRINT_DM_TARGET(1);
548 PRINT_DM_TARGET(2);
549 PRINT_DM_TARGET(3);
550 PRINT_DM_TARGET(4);
551 PRINT_DM_TARGET(5);
552 PRINT_DM_TARGET(6);
553 PRINT_DM_TARGET(7);
554 PRINT_DM_TARGET(8);
555 # endif /* VERBOSE */
556 printf("...}) = %s\n", errstr);
557
558
559 /* DM_TARGET_MSG */
560 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
561 s.u.tm.target_msg.sector = 0x1234;
562 strcpy(s.u.string + offsetof(struct dm_target_msg, message),
563 "long target msg");
564 ioctl(-1, DM_TARGET_MSG, &s);
565 printf("ioctl(-1, DM_TARGET_MSG, "
566 "{version=4.1.2, data_size=%u, data_start=%u, "
567 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
568 # if VERBOSE
569 "{sector=4660, message=\"long targ\"...}"
570 # else /* !VERBOSE */
571 "..."
572 # endif /* VERBOSE */
573 "}) = -1 EBADF (%m)\n",
574 s.ioc.data_size, s.ioc.data_start);
575
576 /* Invalid data_start */
577 init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
578 dm_arg->data_size = sizeof(*dm_arg);
579 ioctl(-1, DM_TARGET_MSG, dm_arg);
580 printf("ioctl(-1, DM_TARGET_MSG, "
581 "{version=4.1.2, data_size=%zu, data_start=%zu, "
582 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
583 # if VERBOSE
584 "??? /* misplaced struct dm_target_msg */"
585 # else /* !VERBOSE */
586 "..."
587 # endif /* VERBOSE */
588 "}) = -1 EBADF (%m)\n",
589 sizeof(*dm_arg), min_sizeof_dm_ioctl);
590
591 /* Invalid data_start */
592 init_s(dm_arg, min_sizeof_dm_ioctl, 0xffffffff);
593 dm_arg->data_size = sizeof(*dm_arg);
594 ioctl(-1, DM_TARGET_MSG, dm_arg);
595 printf("ioctl(-1, DM_TARGET_MSG, "
596 "{version=4.1.2, data_size=%zu, data_start=%u, "
597 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
598 # if VERBOSE
599 "??? /* misplaced struct dm_target_msg */"
600 # else /* !VERBOSE */
601 "..."
602 # endif /* VERBOSE */
603 "}) = -1 EBADF (%m)\n",
604 sizeof(*dm_arg), 0xffffffff);
605
606 /* Inaccessible pointer */
607 init_s(dm_arg, min_sizeof_dm_ioctl, 0);
608 dm_arg->data_size = sizeof(*dm_arg) + sizeof(struct dm_target_msg);
609 dm_arg->data_start = sizeof(*dm_arg);
610 ioctl(-1, DM_TARGET_MSG, dm_arg);
611 printf("ioctl(-1, DM_TARGET_MSG, "
612 "{version=4.1.2, data_size=%zu, data_start=%zu, "
613 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
614 # if VERBOSE
615 "%p"
616 # else /* !VERBOSE */
617 "..."
618 # endif /* VERBOSE */
619 "}) = -1 EBADF (%m)\n",
620 sizeof(*dm_arg) + sizeof(struct dm_target_msg),
621 sizeof(*dm_arg)
622 # if VERBOSE
623 , (char *) dm_arg + sizeof(*dm_arg)
624 # endif /* VERBOSE */
625 );
626
627 /* Inaccessible string */
628 init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
629 offsetof(struct dm_target_msg_test, msg));
630 dm_arg_msg->ioc.data_size = sizeof(*dm_arg_msg) + 1;
631 dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
632 rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
633 errstr = sprintrc(rc);
634 printf("ioctl(-1, DM_TARGET_MSG, "
635 "{version=4.1.2, data_size=%zu, data_start=%zu, "
636 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
637 sizeof(*dm_arg_msg) + 1,
638 offsetof(struct dm_target_msg_test, msg));
639 # if VERBOSE
640 printf("{sector=%" PRI__u64 ", message=%p}",
641 (__u64) 0xdeadbeeffacef157ULL,
642 (char *) dm_arg_msg +
643 offsetof(struct dm_target_msg_test, msg.message));
644 # else /* !VERBOSE */
645 printf("...");
646 # endif /* VERBOSE */
647 printf("}) = %s\n", errstr);
648
649 /* Zero-sied string */
650 init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
651 offsetof(struct dm_target_msg_test, msg));
652 dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
653 rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
654 errstr = sprintrc(rc);
655 printf("ioctl(-1, DM_TARGET_MSG, "
656 "{version=4.1.2, data_size=%zu, data_start=%zu, "
657 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
658 sizeof(*dm_arg_msg), offsetof(struct dm_target_msg_test, msg));
659 # if VERBOSE
660 printf("{sector=%" PRI__u64 ", message=\"\"}",
661 (__u64) 0xdeadbeeffacef157ULL);
662 # else /* !VERBOSE */
663 printf("...");
664 # endif /* VERBOSE */
665 printf("}) = %s\n", errstr);
666
667
668 /* DM_DEV_SET_GEOMETRY */
669 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
670 strcpy(s.u.string, "10 20 30 40");
671 ioctl(-1, DM_DEV_SET_GEOMETRY, &s);
672 printf("ioctl(-1, DM_DEV_SET_GEOMETRY, "
673 "{version=4.1.2, data_size=%u, data_start=%u, "
674 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
675 # if VERBOSE
676 "string=\"10 20 30 \"..."
677 # else /* !VERBOSE */
678 "..."
679 # endif /* VERBOSE */
680 "}) = -1 EBADF (%m)\n",
681 s.ioc.data_size, s.ioc.data_start);
682
683
684 /* DM_DEV_RENAME */
685 /* Inaccessible data */
686 init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
687 dm_arg->data_size = sizeof(*dm_arg);
688 memcpy(unaligned_dm_arg, dm_arg, offsetof(struct dm_ioctl, data));
689 ioctl(-1, DM_DEV_RENAME, unaligned_dm_arg);
690 printf("ioctl(-1, DM_DEV_RENAME, "
691 "{version=4.1.2, data_size=%zu, data_start=%zu, "
692 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
693 "flags=0, "
694 # if VERBOSE
695 "string=%p"
696 # else /* !VERBOSE */
697 "..."
698 # endif /* VERBOSE */
699 "}) = -1 EBADF (%m)\n",
700 sizeof(*unaligned_dm_arg), min_sizeof_dm_ioctl
701 # if VERBOSE
702 , (char *) unaligned_dm_arg + min_sizeof_dm_ioctl
703 # endif /* VERBOSE */
704 );
705
706 /* Incorrect data_start data */
707 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
708 s.ioc.data_start = 0xdeadbeef;
709 ioctl(-1, DM_DEV_RENAME, &s);
710 printf("ioctl(-1, DM_DEV_RENAME, "
711 "{version=4.1.2, data_size=%u, data_start=3735928559, "
712 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
713 "flags=0, "
714 # if VERBOSE
715 "??? /* misplaced string */"
716 # else /* !VERBOSE */
717 "..."
718 # endif /* VERBOSE */
719 "}) = -1 EBADF (%m)\n",
720 s.ioc.data_size);
721
722 /* Strange but still valid data_start */
723 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
724 /* Curiously, this is a valid structure */
725 s.ioc.data_start = offsetof(struct dm_ioctl, name) + 1;
726 ioctl(-1, DM_DEV_RENAME, &s);
727 printf("ioctl(-1, DM_DEV_RENAME, "
728 "{version=4.1.2, data_size=%u, data_start=%zu, "
729 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
730 "flags=0, "
731 # if VERBOSE
732 "string=\"nn\""
733 # else /* !VERBOSE */
734 "..."
735 # endif /* VERBOSE */
736 "}) = -1 EBADF (%m)\n",
737 s.ioc.data_size,
738 offsetof(struct dm_ioctl, name) + 1);
739
740 /* Correct data */
741 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
742 strcpy(s.u.string, "new long name");
743 ioctl(-1, DM_DEV_RENAME, &s);
744 printf("ioctl(-1, DM_DEV_RENAME, "
745 "{version=4.1.2, data_size=%u, data_start=%u, "
746 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
747 "flags=0, "
748 # if VERBOSE
749 "string=\"new long \"..."
750 # else /* !VERBOSE */
751 "..."
752 # endif /* VERBOSE */
753 "}) = -1 EBADF (%m)\n",
754 s.ioc.data_size, s.ioc.data_start);
755
756
757 /* DM_TABLE_LOAD */
758 init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
759 s.ioc.target_count = -1U;
760 ioctl(-1, DM_TABLE_LOAD, &s);
761 printf("ioctl(-1, DM_TABLE_LOAD, "
762 "{version=4.1.2, data_size=%u, data_start=%u, "
763 "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
764 "target_count=4294967295, flags=0, "
765 # if VERBOSE
766 "{sector_start=0, length=0, target_type=\"\", string=\"\"}"
767 ", ??? /* misplaced struct dm_target_spec */"
768 # else
769 "..."
770 # endif /* VERBOSE */
771 "}) = -1 EBADF (%m)\n",
772 s.ioc.data_size, s.ioc.data_start);
773
774 puts("+++ exited with 0 +++");
775 return 0;
776 }
777
778 #else /* !HAVE_LINUX_DM_IOCTL_H */
779
780 SKIP_MAIN_UNDEFINED("HAVE_LINUX_DM_IOCTL_H")
781
782 #endif /* HAVE_LINUX_DM_IOCTL_H */
783