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191 lines
6.1 KiB
191 lines
6.1 KiB
/*
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* Check decoding of io_pgetevents syscall.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <unistd.h>
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#include <asm/unistd.h>
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#include "scno.h"
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#if defined __NR_io_setup && defined __NR_io_pgetevents
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# include <fcntl.h>
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# include <inttypes.h>
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# include <stdio.h>
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# include <time.h>
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# include "nsig.h"
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# include <linux/aio_abi.h>
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# if !HAVE_STRUCT___AIO_SIGSET
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struct __aio_sigset {
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sigset_t *sigmask;
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size_t sigsetsize;
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};
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# endif
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static const char *errstr;
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static long
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sys_io_pgetevents(const kernel_ulong_t ctx_id,
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const kernel_long_t min_nr,
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const kernel_long_t nr,
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const kernel_ulong_t events,
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const kernel_ulong_t timeout,
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const kernel_ulong_t usig)
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{
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long rc = syscall(__NR_io_pgetevents, ctx_id, min_nr, nr,
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events, timeout, usig);
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errstr = sprintrc(rc);
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return rc;
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}
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int
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main(void)
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{
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static const kernel_ulong_t bogus_ctx =
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(kernel_ulong_t) 0xface1e55deadbeefLL;
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static const kernel_long_t bogus_min_nr =
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(kernel_long_t) 0xca7faceddeadf00dLL;
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static const kernel_long_t bogus_nr =
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(kernel_long_t) 0xba5e1e505ca571e0LL;
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static const size_t bogus_sigsetsize =
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(size_t) 0xdeadbeefbadcaffeULL;
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const unsigned int sizeof_data0 = 4096;
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const unsigned int sizeof_data1 = 8192;
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void *data0 = tail_alloc(sizeof_data0);
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void *data1 = tail_alloc(sizeof_data1);
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const struct iocb proto_cb[] = {
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{
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.aio_data = (unsigned long) 0xfeedface11111111ULL,
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.aio_reqprio = 11,
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.aio_buf = (unsigned long) data0,
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.aio_offset = (unsigned long) 0xdeface1facefeedULL,
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.aio_nbytes = sizeof_data0
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},
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{
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.aio_data = (unsigned long) 0xfeedface22222222ULL,
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.aio_reqprio = 22,
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.aio_buf = (unsigned long) data1,
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.aio_offset = (unsigned long) 0xdeface2cafef00dULL,
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.aio_nbytes = sizeof_data1
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}
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};
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const struct iocb *cb = tail_memdup(proto_cb, sizeof(proto_cb));
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const long proto_cbs[] = {
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(long) &cb[0], (long) &cb[1]
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};
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const long *cbs = tail_memdup(proto_cbs, sizeof(proto_cbs));
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned long, ctx);
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*ctx = 0;
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const unsigned int nr = ARRAY_SIZE(proto_cb);
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const struct io_event *ev = tail_alloc(nr * sizeof(struct io_event));
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TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, ts);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct __aio_sigset, ss);
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TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, sigs);
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(void) close(0);
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if (open("/dev/zero", O_RDONLY))
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perror_msg_and_skip("open: %s", "/dev/zero");
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if (syscall(__NR_io_setup, nr, ctx))
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perror_msg_and_skip("io_setup");
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if (syscall(__NR_io_submit, *ctx, nr, cbs) != (long) nr)
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perror_msg_and_skip("io_submit");
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sys_io_pgetevents(bogus_ctx, bogus_min_nr, bogus_nr,
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(uintptr_t) (ev + 1), 0, 0);
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printf("io_pgetevents(%#jx, %ld, %ld, %p, NULL, NULL) = %s\n",
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(uintmax_t) bogus_ctx, (long) bogus_min_nr,
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(long) bogus_nr, ev + 1, errstr);
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sys_io_pgetevents(bogus_ctx, bogus_min_nr, bogus_nr,
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0, (uintptr_t) (ts + 1), 0);
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printf("io_pgetevents(%#jx, %ld, %ld, NULL, %p, NULL) = %s\n",
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(uintmax_t) bogus_ctx, (long) bogus_min_nr,
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(long) bogus_nr, ts + 1, errstr);
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sys_io_pgetevents(bogus_ctx, bogus_min_nr, bogus_nr,
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0, 0, (uintptr_t) (ss + 1));
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printf("io_pgetevents(%#jx, %ld, %ld, NULL, NULL, %p) = %s\n",
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(uintmax_t) bogus_ctx, (long) bogus_min_nr,
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(long) bogus_nr, ss + 1, errstr);
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ss->sigmask = sigs + 1;
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ss->sigsetsize = bogus_sigsetsize;
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sys_io_pgetevents(bogus_ctx, bogus_min_nr, bogus_nr,
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0, 0, (uintptr_t) ss);
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printf("io_pgetevents(%#jx, %ld, %ld, NULL, NULL"
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", {sigmask=%p, sigsetsize=%zu}) = %s\n",
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(uintmax_t) bogus_ctx, (long) bogus_min_nr,
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(long) bogus_nr, sigs + 1, bogus_sigsetsize, errstr);
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ts->tv_sec = 0xdeadbeefU;
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ts->tv_nsec = 0xfacefeedU;
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ss->sigmask = sigs;
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ss->sigsetsize = NSIG_BYTES;
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sys_io_pgetevents(bogus_ctx, 0, 0, 0, (uintptr_t) ts, (uintptr_t) ss);
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printf("io_pgetevents(%#jx, 0, 0, NULL"
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", {tv_sec=%lld, tv_nsec=%llu}"
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", {sigmask=~[], sigsetsize=%u}) = %s\n",
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(uintmax_t) bogus_ctx, (long long) ts->tv_sec,
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zero_extend_signed_to_ull(ts->tv_nsec), NSIG_BYTES,
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errstr);
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sigemptyset(sigs);
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sigaddset(sigs, SIGSYS);
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ts->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
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ts->tv_nsec = (long) 0xbadc0dedfacefeedLL;
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sys_io_pgetevents(bogus_ctx, 0, 0, 0, (uintptr_t) ts, (uintptr_t) ss);
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printf("io_pgetevents(%#jx, 0, 0, NULL"
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", {tv_sec=%lld, tv_nsec=%llu}"
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", {sigmask=[SYS], sigsetsize=%u}) = %s\n",
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(uintmax_t) bogus_ctx, (long long) ts->tv_sec,
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zero_extend_signed_to_ull(ts->tv_nsec), NSIG_BYTES,
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errstr);
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_io_setup && __NR_io_pgetevents")
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#endif
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