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185 lines
7.4 KiB
185 lines
7.4 KiB
/*
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* Check decoding of setitimer and getitimer syscalls.
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*
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* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
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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 <stdio.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <asm/unistd.h>
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int
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main(void)
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{
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static const struct itimerval new = {
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.it_interval = { 0xc0de1, 0xc0de2 },
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.it_value = { 0xc0de3, 0xc0de4 }
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};
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static const kernel_ulong_t long_timer =
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F8ILL_KULONG_MASK | ITIMER_REAL;
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static const kernel_ulong_t bogus_timer =
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(kernel_ulong_t) 0xfacefeeddeadbeefULL;
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TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerval, p_old);
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struct itimerval *const p_new = tail_memdup(&new, sizeof(new));
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void *const efault = tail_alloc(sizeof(new) - 8);
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long rc;
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if (setitimer(ITIMER_REAL, p_new, NULL))
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perror_msg_and_skip("setitimer");
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printf("setitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}"
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", NULL) = 0\n",
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(long long) new.it_interval.tv_sec,
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zero_extend_signed_to_ull(new.it_interval.tv_usec),
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(long long) new.it_value.tv_sec,
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zero_extend_signed_to_ull(new.it_value.tv_usec));
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fill_memory(p_old, sizeof(*p_old));
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if (getitimer(ITIMER_REAL, p_old))
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perror_msg_and_skip("getitimer");
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printf("getitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
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(long long) p_old->it_interval.tv_sec,
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zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
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(long long) p_old->it_value.tv_sec,
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zero_extend_signed_to_ull(p_old->it_value.tv_usec));
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fill_memory(p_old, sizeof(*p_old));
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setitimer(ITIMER_REAL, p_new, p_old);
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printf("setitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
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(long long) new.it_interval.tv_sec,
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zero_extend_signed_to_ull(new.it_interval.tv_usec),
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(long long) new.it_value.tv_sec,
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zero_extend_signed_to_ull(new.it_value.tv_usec),
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(long long) p_old->it_interval.tv_sec,
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zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
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(long long) p_old->it_value.tv_sec,
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zero_extend_signed_to_ull(p_old->it_value.tv_usec));
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rc = getitimer(ITIMER_REAL, efault);
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printf("getitimer(ITIMER_REAL, %p) = %s\n", efault, sprintrc(rc));
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rc = setitimer(ITIMER_REAL, p_new, efault);
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printf("setitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
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(long long) new.it_interval.tv_sec,
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zero_extend_signed_to_ull(new.it_interval.tv_usec),
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(long long) new.it_value.tv_sec,
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zero_extend_signed_to_ull(new.it_value.tv_usec),
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efault, sprintrc(rc));
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rc = setitimer(ITIMER_REAL, efault, p_old);
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printf("setitimer(ITIMER_REAL, %p, %p) = %s\n",
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efault, p_old, sprintrc(rc));
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fill_memory(p_old, sizeof(*p_old));
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rc = syscall(__NR_setitimer, long_timer, p_new, p_old);
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printf("setitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
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(long long) new.it_interval.tv_sec,
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zero_extend_signed_to_ull(new.it_interval.tv_usec),
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(long long) new.it_value.tv_sec,
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zero_extend_signed_to_ull(new.it_value.tv_usec),
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(long long) p_old->it_interval.tv_sec,
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zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
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(long long) p_old->it_value.tv_sec,
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zero_extend_signed_to_ull(p_old->it_value.tv_usec),
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sprintrc(rc));
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fill_memory(p_old, sizeof(*p_old));
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rc = syscall(__NR_getitimer, long_timer, p_old);
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printf("getitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
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(long long) p_old->it_interval.tv_sec,
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zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
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(long long) p_old->it_value.tv_sec,
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zero_extend_signed_to_ull(p_old->it_value.tv_usec),
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sprintrc(rc));
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rc = syscall(__NR_setitimer, bogus_timer, p_new, p_old);
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printf("setitimer(%#x /* ITIMER_??? */"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
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(int) bogus_timer,
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(long long) new.it_interval.tv_sec,
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zero_extend_signed_to_ull(new.it_interval.tv_usec),
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(long long) new.it_value.tv_sec,
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zero_extend_signed_to_ull(new.it_value.tv_usec),
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p_old, sprintrc(rc));
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rc = syscall(__NR_getitimer, bogus_timer, p_old);
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printf("getitimer(%#x /* ITIMER_??? */, %p) = %s\n",
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(int) bogus_timer, p_old, sprintrc(rc));
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if (F8ILL_KULONG_SUPPORTED) {
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const kernel_ulong_t ill_new = f8ill_ptr_to_kulong(p_new);
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const kernel_ulong_t ill_old = f8ill_ptr_to_kulong(p_old);
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rc = syscall(__NR_setitimer, long_timer, ill_new, ill_old);
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printf("setitimer(ITIMER_REAL, %#llx, %#llx) = %s\n",
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(unsigned long long) ill_new,
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(unsigned long long) ill_old,
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sprintrc(rc));
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rc = syscall(__NR_getitimer, long_timer, ill_old);
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printf("getitimer(ITIMER_REAL, %#llx) = %s\n",
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(unsigned long long) ill_old, sprintrc(rc));
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}
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p_new->it_interval.tv_sec = 0xdeadbeefU;
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p_new->it_interval.tv_usec = 0xfacefeedU;
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p_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
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p_new->it_value.tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
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rc = setitimer(ITIMER_REAL, p_new, p_old);
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printf("setitimer(ITIMER_REAL"
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", {it_interval={tv_sec=%lld, tv_usec=%llu}"
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", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
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(long long) p_new->it_interval.tv_sec,
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zero_extend_signed_to_ull(p_new->it_interval.tv_usec),
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(long long) p_new->it_value.tv_sec,
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zero_extend_signed_to_ull(p_new->it_value.tv_usec),
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p_old, sprintrc(rc));
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puts("+++ exited with 0 +++");
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return 0;
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}
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