You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
184 lines
7.4 KiB
184 lines
7.4 KiB
/* |
|
* Check decoding of setitimer and getitimer syscalls. |
|
* |
|
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org> |
|
* All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 3. The name of the author may not be used to endorse or promote products |
|
* derived from this software without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
*/ |
|
|
|
#include "tests.h" |
|
#include <stdio.h> |
|
#include <stdint.h> |
|
#include <sys/time.h> |
|
#include <unistd.h> |
|
#include <asm/unistd.h> |
|
|
|
int |
|
main(void) |
|
{ |
|
static const struct itimerval new = { |
|
.it_interval = { 0xc0de1, 0xc0de2 }, |
|
.it_value = { 0xc0de3, 0xc0de4 } |
|
}; |
|
static const kernel_ulong_t long_timer = |
|
F8ILL_KULONG_MASK | ITIMER_REAL; |
|
static const kernel_ulong_t bogus_timer = |
|
(kernel_ulong_t) 0xfacefeeddeadbeefULL; |
|
|
|
TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerval, p_old); |
|
struct itimerval *const p_new = tail_memdup(&new, sizeof(new)); |
|
void *const efault = tail_alloc(sizeof(new) - 8); |
|
long rc; |
|
|
|
if (setitimer(ITIMER_REAL, p_new, NULL)) |
|
perror_msg_and_skip("setitimer"); |
|
printf("setitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}" |
|
", NULL) = 0\n", |
|
(long long) new.it_interval.tv_sec, |
|
zero_extend_signed_to_ull(new.it_interval.tv_usec), |
|
(long long) new.it_value.tv_sec, |
|
zero_extend_signed_to_ull(new.it_value.tv_usec)); |
|
|
|
fill_memory(p_old, sizeof(*p_old)); |
|
if (getitimer(ITIMER_REAL, p_old)) |
|
perror_msg_and_skip("getitimer"); |
|
printf("getitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n", |
|
(long long) p_old->it_interval.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_interval.tv_usec), |
|
(long long) p_old->it_value.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_value.tv_usec)); |
|
|
|
fill_memory(p_old, sizeof(*p_old)); |
|
setitimer(ITIMER_REAL, p_new, p_old); |
|
printf("setitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n", |
|
(long long) new.it_interval.tv_sec, |
|
zero_extend_signed_to_ull(new.it_interval.tv_usec), |
|
(long long) new.it_value.tv_sec, |
|
zero_extend_signed_to_ull(new.it_value.tv_usec), |
|
(long long) p_old->it_interval.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_interval.tv_usec), |
|
(long long) p_old->it_value.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_value.tv_usec)); |
|
|
|
rc = getitimer(ITIMER_REAL, efault); |
|
printf("getitimer(ITIMER_REAL, %p) = %s\n", efault, sprintrc(rc)); |
|
|
|
rc = setitimer(ITIMER_REAL, p_new, efault); |
|
printf("setitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n", |
|
(long long) new.it_interval.tv_sec, |
|
zero_extend_signed_to_ull(new.it_interval.tv_usec), |
|
(long long) new.it_value.tv_sec, |
|
zero_extend_signed_to_ull(new.it_value.tv_usec), |
|
efault, sprintrc(rc)); |
|
|
|
rc = setitimer(ITIMER_REAL, efault, p_old); |
|
printf("setitimer(ITIMER_REAL, %p, %p) = %s\n", |
|
efault, p_old, sprintrc(rc)); |
|
|
|
fill_memory(p_old, sizeof(*p_old)); |
|
rc = syscall(__NR_setitimer, long_timer, p_new, p_old); |
|
printf("setitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n", |
|
(long long) new.it_interval.tv_sec, |
|
zero_extend_signed_to_ull(new.it_interval.tv_usec), |
|
(long long) new.it_value.tv_sec, |
|
zero_extend_signed_to_ull(new.it_value.tv_usec), |
|
(long long) p_old->it_interval.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_interval.tv_usec), |
|
(long long) p_old->it_value.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_value.tv_usec), |
|
sprintrc(rc)); |
|
|
|
fill_memory(p_old, sizeof(*p_old)); |
|
rc = syscall(__NR_getitimer, long_timer, p_old); |
|
printf("getitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n", |
|
(long long) p_old->it_interval.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_interval.tv_usec), |
|
(long long) p_old->it_value.tv_sec, |
|
zero_extend_signed_to_ull(p_old->it_value.tv_usec), |
|
sprintrc(rc)); |
|
|
|
rc = syscall(__NR_setitimer, bogus_timer, p_new, p_old); |
|
printf("setitimer(%#x /* ITIMER_??? */" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n", |
|
(int) bogus_timer, |
|
(long long) new.it_interval.tv_sec, |
|
zero_extend_signed_to_ull(new.it_interval.tv_usec), |
|
(long long) new.it_value.tv_sec, |
|
zero_extend_signed_to_ull(new.it_value.tv_usec), |
|
p_old, sprintrc(rc)); |
|
|
|
rc = syscall(__NR_getitimer, bogus_timer, p_old); |
|
printf("getitimer(%#x /* ITIMER_??? */, %p) = %s\n", |
|
(int) bogus_timer, p_old, sprintrc(rc)); |
|
|
|
if (F8ILL_KULONG_SUPPORTED) { |
|
const kernel_ulong_t ill_new = f8ill_ptr_to_kulong(p_new); |
|
const kernel_ulong_t ill_old = f8ill_ptr_to_kulong(p_old); |
|
|
|
rc = syscall(__NR_setitimer, long_timer, ill_new, ill_old); |
|
printf("setitimer(ITIMER_REAL, %#llx, %#llx) = %s\n", |
|
(unsigned long long) ill_new, |
|
(unsigned long long) ill_old, |
|
sprintrc(rc)); |
|
|
|
rc = syscall(__NR_getitimer, long_timer, ill_old); |
|
printf("getitimer(ITIMER_REAL, %#llx) = %s\n", |
|
(unsigned long long) ill_old, sprintrc(rc)); |
|
} |
|
|
|
p_new->it_interval.tv_sec = 0xdeadbeefU; |
|
p_new->it_interval.tv_usec = 0xfacefeedU; |
|
p_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL; |
|
p_new->it_value.tv_usec = (long) 0xbadc0dedfacefeedLL; |
|
|
|
rc = setitimer(ITIMER_REAL, p_new, p_old); |
|
printf("setitimer(ITIMER_REAL" |
|
", {it_interval={tv_sec=%lld, tv_usec=%llu}" |
|
", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n", |
|
(long long) p_new->it_interval.tv_sec, |
|
zero_extend_signed_to_ull(p_new->it_interval.tv_usec), |
|
(long long) p_new->it_value.tv_sec, |
|
zero_extend_signed_to_ull(p_new->it_value.tv_usec), |
|
p_old, sprintrc(rc)); |
|
|
|
puts("+++ exited with 0 +++"); |
|
return 0; |
|
}
|
|
|