1 /*
2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3  * Copyright (c) 2015-2018 The strace developers.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
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.
16  *
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.
27  */
28 
29 #include "tests.h"
30 #include <fcntl.h>
31 #include <inttypes.h>
32 #include <stdio.h>
33 #include <time.h>
34 #include <unistd.h>
35 #include <asm/unistd.h>
36 
37 #if defined __NR_io_setup \
38  && defined __NR_io_submit \
39  && defined __NR_io_getevents \
40  && defined __NR_io_cancel \
41  && defined __NR_io_destroy
42 # include <linux/aio_abi.h>
43 
44 int
main(void)45 main(void)
46 {
47 	static const long bogus_ctx =
48 		(long) 0xface1e55deadbeefLL;
49 
50 	static const char data2[] =
51 		"\0\1\2\3cat test test test 0123456789abcdef";
52 
53 	const unsigned int sizeof_data0 = 4096;
54 	const unsigned int sizeof_data1 = 8192;
55 	void *data0 = tail_alloc(sizeof_data0);
56 	void *data1 = tail_alloc(sizeof_data1);
57 
58 	const struct iocb proto_cb[] = {
59 		{
60 			.aio_data = (unsigned long) 0xfeedface11111111ULL,
61 			.aio_reqprio = 11,
62 			.aio_buf = (unsigned long) data0,
63 			.aio_offset = (unsigned long) 0xdeface1facefeedULL,
64 			.aio_nbytes = sizeof_data0
65 		},
66 		{
67 			.aio_data = (unsigned long) 0xfeedface22222222ULL,
68 			.aio_reqprio = 22,
69 			.aio_buf = (unsigned long) data1,
70 			.aio_offset = (unsigned long) 0xdeface2cafef00dULL,
71 			.aio_nbytes = sizeof_data1
72 		}
73 	};
74 	const struct iocb *cb = tail_memdup(proto_cb, sizeof(proto_cb));
75 
76 	const struct iovec proto_iov0[] = {
77 		{
78 			.iov_base = data0,
79 			.iov_len = sizeof_data0 / 4
80 		},
81 		{
82 			.iov_base = data0 + sizeof_data0 / 4,
83 			.iov_len = sizeof_data0 / 4 * 3
84 		},
85 	};
86 	const struct iovec *iov0 = tail_memdup(proto_iov0, sizeof(proto_iov0));
87 
88 	const struct iovec proto_iov1[] = {
89 		{
90 			.iov_base = data1,
91 			.iov_len = sizeof_data1 / 4
92 		},
93 		{
94 			.iov_base = data1 + sizeof_data1 / 4,
95 			.iov_len = sizeof_data1 / 4 * 3
96 		},
97 	};
98 	const struct iovec *iov1 = tail_memdup(proto_iov1, sizeof(proto_iov1));
99 
100 	const struct iocb proto_cbv[] = {
101 		{
102 			.aio_data = (unsigned long) 0xfeed11111111faceULL,
103 			.aio_lio_opcode = 7,
104 			.aio_reqprio = 111,
105 			.aio_buf = (unsigned long) iov0,
106 			.aio_offset = (unsigned long) 0xdeface1facefeedULL,
107 			.aio_nbytes = ARRAY_SIZE(proto_iov0)
108 		},
109 		{
110 			.aio_data = (unsigned long) 0xfeed22222222faceULL,
111 			.aio_lio_opcode = 7,
112 			.aio_reqprio = 222,
113 			.aio_buf = (unsigned long) iov1,
114 			.aio_offset = (unsigned long) 0xdeface2cafef00dULL,
115 			.aio_nbytes = ARRAY_SIZE(proto_iov1)
116 		}
117 	};
118 	const struct iocb *cbv = tail_memdup(proto_cbv, sizeof(proto_cbv));
119 
120 	/* For additional decoder testing */
121 	const struct iocb proto_cbv2[] = {
122 		{
123 			.aio_data = 0xbadfacedc0ffeeedULL,
124 			.aio_key = 0xdefaced0,
125 			.aio_lio_opcode = 0xf00d,
126 			.aio_reqprio = 0,
127 			.aio_fildes = 0xdefaced1,
128 			.aio_buf = 0,
129 		},
130 		{
131 			.aio_data = 0,
132 			.aio_key = 0xdefaced0,
133 			.aio_lio_opcode = 1,
134 			.aio_reqprio = 0xbeef,
135 			.aio_fildes = 0xdefaced1,
136 			.aio_buf = 0,
137 			/* In order to make record valid */
138 			.aio_nbytes = (size_t) 0x1020304050607080ULL,
139 			.aio_offset = 0xdeadda7abadc0dedULL,
140 # ifdef IOCB_FLAG_RESFD
141 			.aio_flags = 0xfacef157,
142 			.aio_resfd = 0xded1ca7e,
143 # endif
144 		},
145 		{
146 			.aio_data = 0,
147 			.aio_key = 0xdefaced0,
148 			.aio_lio_opcode = 1,
149 			.aio_reqprio = 0xbeef,
150 			.aio_fildes = 0xdefaced1,
151 			.aio_buf = 0xbadc0ffeedefacedULL,
152 			.aio_nbytes = 0x8090a0b0c0d0e0f0ULL,
153 			.aio_offset = 0xdeadda7abadc0dedULL,
154 		},
155 		{
156 			.aio_data = 0,
157 			.aio_key = 0xdefaced0,
158 			.aio_lio_opcode = 1,
159 			.aio_reqprio = 0xbeef,
160 			.aio_fildes = 0xdefaced1,
161 			.aio_buf = (unsigned long)data2,
162 			.aio_nbytes = sizeof(data2),
163 			.aio_offset = 0xdeadda7abadc0dedULL,
164 		},
165 		{
166 			.aio_data = 0,
167 			.aio_key = 0xdefaced0,
168 			.aio_lio_opcode = 8,
169 			.aio_reqprio = 0xbeef,
170 			.aio_fildes = 0xdefaced1,
171 			.aio_buf = 0,
172 			.aio_nbytes = 0x8090a0b0c0d0e0f0ULL,
173 			.aio_offset = 0xdeadda7abadc0dedULL,
174 		},
175 	};
176 	const struct iocb *cbv2 = tail_memdup(proto_cbv2, sizeof(proto_cbv2));
177 
178 	const struct iocb proto_cbc = {
179 		.aio_data = (unsigned long) 0xdeadbeefbadc0dedULL,
180 		.aio_reqprio = 99,
181 		.aio_fildes = -42
182 	};
183 	const struct iocb *cbc = tail_memdup(&proto_cbc, sizeof(proto_cbc));
184 
185 	const long proto_cbs[] = {
186 		(long) &cb[0], (long) &cb[1]
187 	};
188 	const long *cbs = tail_memdup(proto_cbs, sizeof(proto_cbs));
189 
190 	const long proto_cbvs[] = {
191 		(long) &cbv[0], (long) &cbv[1],
192 	};
193 	const long *cbvs = tail_memdup(proto_cbvs, sizeof(proto_cbvs));
194 
195 	const long proto_cbvs2[] = {
196 		(long) &cbv2[0], (long) &cbv2[1], (long) &cbv2[2],
197 		(long) &cbv2[3], (long) &cbv2[4],
198 		(long) NULL, (long) 0xffffffffffffffffLL,
199 	};
200 	const long *cbvs2 = tail_memdup(proto_cbvs2, sizeof(proto_cbvs2));
201 
202 	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned long, ctx);
203 	*ctx = 0;
204 
205 	const unsigned int nr = ARRAY_SIZE(proto_cb);
206 	const unsigned long lnr = (unsigned long) (0xdeadbeef00000000ULL | nr);
207 
208 	const struct io_event *ev = tail_alloc(nr * sizeof(struct io_event));
209 	TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, ts);
210 
211 	(void) close(0);
212 	if (open("/dev/zero", O_RDONLY))
213 		perror_msg_and_skip("open: %s", "/dev/zero");
214 
215 	long rc = syscall(__NR_io_setup, 0xdeadbeef, NULL);
216 	printf("io_setup(%u, NULL) = %s\n", 0xdeadbeef, sprintrc(rc));
217 
218 	rc = syscall(__NR_io_setup, lnr, ctx + 1);
219 	printf("io_setup(%u, %p) = %s\n", nr, ctx + 1, sprintrc(rc));
220 
221 	if (syscall(__NR_io_setup, lnr, ctx))
222 		perror_msg_and_skip("io_setup");
223 	printf("io_setup(%u, [%#lx]) = 0\n", nr, *ctx);
224 
225 	rc = syscall(__NR_io_submit, bogus_ctx, (long) 0xca7faceddeadf00dLL,
226 		     NULL);
227 	printf("io_submit(%#lx, %ld, NULL) = %s\n",
228 	       bogus_ctx, (long) 0xca7faceddeadf00dLL, sprintrc(rc));
229 
230 	rc = syscall(__NR_io_submit, *ctx, nr, cbs + nr);
231 	printf("io_submit(%#lx, %ld, %p) = %s\n",
232 	       *ctx, (long) nr, cbs + nr, sprintrc(rc));
233 
234 	rc = syscall(__NR_io_submit, *ctx, -1L, cbs);
235 	printf("io_submit(%#lx, -1, %p) = %s\n",
236 	       *ctx, cbs, sprintrc(rc));
237 
238 	rc = syscall(__NR_io_submit, *ctx, nr, cbs);
239 	if (rc != (long) nr)
240 		perror_msg_and_skip("io_submit");
241 	printf("io_submit(%#lx, %u, ["
242 	       "{aio_data=%#" PRI__x64 ", aio_lio_opcode=IOCB_CMD_PREAD"
243 		", aio_reqprio=11, aio_fildes=0, aio_buf=%p, aio_nbytes=%u"
244 		", aio_offset=%" PRI__d64
245 	       "}, {aio_data=%#" PRI__x64 ", aio_lio_opcode=IOCB_CMD_PREAD"
246 		", aio_reqprio=22, aio_fildes=0, aio_buf=%p, aio_nbytes=%u"
247 		", aio_offset=%" PRI__d64 "}]) = %s\n",
248 	       *ctx, nr,
249 	       cb[0].aio_data, data0, sizeof_data0, cb[0].aio_offset,
250 	       cb[1].aio_data, data1, sizeof_data1, cb[1].aio_offset,
251 	       sprintrc(rc));
252 
253 	rc = syscall(__NR_io_getevents, bogus_ctx,
254 		     (long) 0xca7faceddeadf00dLL, (long) 0xba5e1e505ca571e0LL,
255 		     ev + 1, NULL);
256 	printf("io_getevents(%#lx, %ld, %ld, %p, NULL) = %s\n",
257 	       bogus_ctx, (long) 0xca7faceddeadf00dLL,
258 	       (long) 0xba5e1e505ca571e0LL, ev + 1, sprintrc(rc));
259 
260 	rc = syscall(__NR_io_getevents, bogus_ctx,
261 		     (long) 0xca7faceddeadf00dLL, (long) 0xba5e1e505ca571e0LL,
262 		     NULL, ts + 1);
263 	printf("io_getevents(%#lx, %ld, %ld, NULL, %p) = %s\n",
264 	       bogus_ctx, (long) 0xca7faceddeadf00dLL,
265 	       (long) 0xba5e1e505ca571e0LL, ts + 1, sprintrc(rc));
266 
267 	ts->tv_sec = 0xdeadbeefU;
268 	ts->tv_nsec = 0xfacefeedU;
269 	rc = syscall(__NR_io_getevents, bogus_ctx, 0, 0, 0, ts);
270 	printf("io_getevents(%#lx, 0, 0, NULL"
271 	       ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
272 	       bogus_ctx, (long long) ts->tv_sec,
273 	       zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
274 
275 	ts->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
276 	ts->tv_nsec = (long) 0xbadc0dedfacefeedLL;
277 	rc = syscall(__NR_io_getevents, bogus_ctx, 0, 0, 0, ts);
278 	printf("io_getevents(%#lx, 0, 0, NULL"
279 	       ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
280 	       bogus_ctx, (long long) ts->tv_sec,
281 	       zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
282 
283 	ts->tv_sec = 0;
284 	ts->tv_nsec = 123456789;
285 	rc = syscall(__NR_io_getevents, *ctx, nr, nr + 1, ev, ts);
286 	printf("io_getevents(%#lx, %ld, %ld, ["
287 	       "{data=%#" PRI__x64 ", obj=%p, res=%u, res2=0}, "
288 	       "{data=%#" PRI__x64 ", obj=%p, res=%u, res2=0}"
289 	       "], {tv_sec=0, tv_nsec=123456789}) = %s\n",
290 	       *ctx, (long) nr, (long) (nr + 1),
291 	       cb[0].aio_data, &cb[0], sizeof_data0,
292 	       cb[1].aio_data, &cb[1], sizeof_data1,
293 	       sprintrc(rc));
294 
295 	rc = syscall(__NR_io_cancel, bogus_ctx, NULL, NULL);
296 	printf("io_cancel(%#lx, NULL, NULL) = %s\n", bogus_ctx, sprintrc(rc));
297 
298 	rc = syscall(__NR_io_cancel, *ctx, cbc + 1, ev);
299 	printf("io_cancel(%#lx, %p, %p) = %s\n", *ctx, cbc + 1, ev,
300 	       sprintrc(rc));
301 
302 	rc = syscall(__NR_io_cancel, *ctx, cbc, ev);
303 	printf("io_cancel(%#lx, {aio_data=%#" PRI__x64
304 		", aio_lio_opcode=IOCB_CMD_PREAD, aio_reqprio=99"
305 		", aio_fildes=-42}, %p) = %s\n",
306 	       *ctx, cbc->aio_data, ev, sprintrc(rc));
307 
308 	rc = syscall(__NR_io_submit, (unsigned long) 0xfacef157beeff00dULL,
309 		     (long) 0xdeadc0defacefeedLL, NULL);
310 	printf("io_submit(%#lx, %ld, NULL) = %s\n",
311 	       (long) 0xfacef157beeff00dULL,
312 	       (long) 0xdeadc0defacefeedLL, sprintrc(rc));
313 
314 	rc = syscall(__NR_io_submit, *ctx, -1L, cbvs + nr);
315 	printf("io_submit(%#lx, %ld, %p) = %s\n",
316 	       *ctx, -1L, cbvs + nr, sprintrc(rc));
317 
318 	printf("io_submit(%#lx, %ld, ["
319 	       "{aio_data=%#" PRI__x64 ", aio_key=%u"
320 		", aio_lio_opcode=%hu /* IOCB_CMD_??? */, aio_fildes=%d}"
321 		", {aio_key=%u, aio_lio_opcode=IOCB_CMD_PWRITE, aio_reqprio=%hd"
322 		", aio_fildes=%d, aio_buf=NULL"
323 		", aio_nbytes=%" PRI__u64 ", aio_offset=%" PRI__d64
324 # ifdef IOCB_FLAG_RESFD
325 		", aio_resfd=%d, aio_flags=%#x"
326 # endif
327 	       "}, {aio_key=%u, aio_lio_opcode=IOCB_CMD_PWRITE"
328 		", aio_reqprio=%hd, aio_fildes=%d, aio_buf=%#" PRI__x64
329 		", aio_nbytes=%" PRI__u64 ", aio_offset=%" PRI__d64
330 	       "}, {aio_key=%u, aio_lio_opcode=IOCB_CMD_PWRITE"
331 		", aio_reqprio=%hd, aio_fildes=%d"
332 		", aio_buf=\"\\0\\1\\2\\3%.28s\"..."
333 		", aio_nbytes=%" PRI__u64 ", aio_offset=%" PRI__d64
334 	       "}, {aio_key=%u, aio_lio_opcode=IOCB_CMD_PWRITEV"
335 		", aio_reqprio=%hd, aio_fildes=%d, aio_buf=%#" PRI__x64
336 		", aio_nbytes=%" PRI__u64 ", aio_offset=%" PRI__d64
337 	       "}, NULL, %#lx, ... /* %p */]) = ",
338 	       *ctx, 1057L,
339 	       cbv2[0].aio_data, cbv2[0].aio_key,
340 	       cbv2[0].aio_lio_opcode, cbv2[0].aio_fildes,
341 	       cbv2[1].aio_key, cbv2[1].aio_reqprio, cbv2[1].aio_fildes,
342 	       cbv2[1].aio_nbytes, cbv2[1].aio_offset,
343 # ifdef IOCB_FLAG_RESFD
344 	       cbv2[1].aio_resfd, cbv2[1].aio_flags,
345 # endif
346 	       cbv2[2].aio_key, cbv2[2].aio_reqprio, cbv2[2].aio_fildes,
347 	       cbv2[2].aio_buf, cbv2[2].aio_nbytes, cbv2[2].aio_offset,
348 	       cbv2[3].aio_key, cbv2[3].aio_reqprio, cbv2[3].aio_fildes,
349 	       data2 + 4, cbv2[3].aio_nbytes, cbv2[3].aio_offset,
350 	       cbv2[4].aio_key, cbv2[4].aio_reqprio, cbv2[4].aio_fildes,
351 	       cbv2[4].aio_buf, cbv2[4].aio_nbytes, cbv2[4].aio_offset,
352 	       cbvs2[6], cbvs2 + 7);
353 	rc = syscall(__NR_io_submit, *ctx, 1057L, cbvs2);
354 	puts(sprintrc(rc));
355 
356 	rc = syscall(__NR_io_submit, *ctx, nr, cbvs);
357 	if (rc != (long) nr)
358 		perror_msg_and_skip("io_submit");
359 	printf("io_submit(%#lx, %u, ["
360 	       "{aio_data=%#" PRI__x64 ", aio_lio_opcode=IOCB_CMD_PREADV"
361 		", aio_reqprio=%hd, aio_fildes=0, "
362 		"aio_buf=[{iov_base=%p, iov_len=%u}"
363 	       ", {iov_base=%p, iov_len=%u}], aio_offset=%" PRI__d64 "}, "
364 	       "{aio_data=%#" PRI__x64 ", aio_lio_opcode=IOCB_CMD_PREADV"
365 		", aio_reqprio=%hd, aio_fildes=0"
366 		", aio_buf=[{iov_base=%p, iov_len=%u}"
367 		", {iov_base=%p, iov_len=%u}], aio_offset=%" PRI__d64 "}"
368 	       "]) = %s\n",
369 	       *ctx, nr,
370 	       cbv[0].aio_data, cbv[0].aio_reqprio,
371 	       iov0[0].iov_base, (unsigned int) iov0[0].iov_len,
372 	       iov0[1].iov_base, (unsigned int) iov0[1].iov_len,
373 	       cbv[0].aio_offset,
374 	       cbv[1].aio_data, cbv[1].aio_reqprio,
375 	       iov1[0].iov_base, (unsigned int) iov1[0].iov_len,
376 	       iov1[1].iov_base, (unsigned int) iov1[1].iov_len,
377 	       cbv[1].aio_offset,
378 	       sprintrc(rc));
379 
380 	rc = syscall(__NR_io_destroy, bogus_ctx);
381 	printf("io_destroy(%#lx) = %s\n",
382 	       bogus_ctx, sprintrc(rc));
383 
384 	rc = syscall(__NR_io_destroy, *ctx);
385 	printf("io_destroy(%#lx) = %s\n", *ctx, sprintrc(rc));
386 
387 	puts("+++ exited with 0 +++");
388 	return 0;
389 }
390 
391 #else
392 
393 SKIP_MAIN_UNDEFINED("__NR_io_*")
394 
395 #endif
396