tests: check decoding of getitimer and setitimer corner cases
* tests/sched_xetattr.c: Include <unistd.h> and <asm/unistd.h>. (main): Check that pointer and integer arguments of getitimer and setitimer syscalls are decoded properly. * tests/xetitimer.test: Add -a option.
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@ -1,5 +1,7 @@
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/*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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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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@ -29,48 +31,138 @@
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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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struct {
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struct itimerval itv;
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uint32_t pad[4];
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} old = {
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.pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
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}, new = {
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.itv = {
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.it_interval = { 0xc0de1, 0xc0de2 },
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.it_value = { 0xc0de3, 0xc0de4 }
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},
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.pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
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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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if (setitimer(ITIMER_REAL, &new.itv, &old.itv))
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struct itimerval *const p_old = tail_alloc(sizeof(*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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}"
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", NULL) = 0\n",
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(intmax_t) new.it_interval.tv_sec,
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(intmax_t) new.it_interval.tv_usec,
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(intmax_t) new.it_value.tv_sec,
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(intmax_t) 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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}) = 0\n",
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(intmax_t) p_old->it_interval.tv_sec,
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(intmax_t) p_old->it_interval.tv_usec,
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(intmax_t) p_old->it_value.tv_sec,
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(intmax_t) 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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}"
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", {it_interval={tv_sec=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}) = 0\n",
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(intmax_t) new.itv.it_interval.tv_sec,
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(intmax_t) new.itv.it_interval.tv_usec,
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(intmax_t) new.itv.it_value.tv_sec,
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(intmax_t) new.itv.it_value.tv_usec,
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(intmax_t) old.itv.it_interval.tv_sec,
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(intmax_t) old.itv.it_interval.tv_usec,
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(intmax_t) old.itv.it_value.tv_sec,
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(intmax_t) old.itv.it_value.tv_usec);
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(intmax_t) new.it_interval.tv_sec,
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(intmax_t) new.it_interval.tv_usec,
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(intmax_t) new.it_value.tv_sec,
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(intmax_t) new.it_value.tv_usec,
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(intmax_t) p_old->it_interval.tv_sec,
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(intmax_t) p_old->it_interval.tv_usec,
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(intmax_t) p_old->it_value.tv_sec,
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(intmax_t) p_old->it_value.tv_usec);
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if (getitimer(ITIMER_REAL, &old.itv))
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perror_msg_and_skip("getitimer");
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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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}, %p) = %s\n",
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(intmax_t) new.it_interval.tv_sec,
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(intmax_t) new.it_interval.tv_usec,
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(intmax_t) new.it_value.tv_sec,
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(intmax_t) 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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}"
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", {it_interval={tv_sec=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}) = %s\n",
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(intmax_t) new.it_interval.tv_sec,
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(intmax_t) new.it_interval.tv_usec,
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(intmax_t) new.it_value.tv_sec,
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(intmax_t) new.it_value.tv_usec,
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(intmax_t) p_old->it_interval.tv_sec,
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(intmax_t) p_old->it_interval.tv_usec,
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(intmax_t) p_old->it_value.tv_sec,
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(intmax_t) 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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}) = 0\n",
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(intmax_t) old.itv.it_interval.tv_sec,
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(intmax_t) old.itv.it_interval.tv_usec,
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(intmax_t) old.itv.it_value.tv_sec,
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(intmax_t) old.itv.it_value.tv_usec);
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"it_value={tv_sec=%jd, tv_usec=%jd}}) = %s\n",
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(intmax_t) p_old->it_interval.tv_sec,
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(intmax_t) p_old->it_interval.tv_usec,
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(intmax_t) p_old->it_value.tv_sec,
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(intmax_t) 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=%jd, tv_usec=%jd}, "
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"it_value={tv_sec=%jd, tv_usec=%jd}}, %p) = %s\n",
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(int) bogus_timer,
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(intmax_t) new.it_interval.tv_sec,
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(intmax_t) new.it_interval.tv_usec,
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(intmax_t) new.it_value.tv_sec,
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(intmax_t) 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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puts("+++ exited with 0 +++");
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return 0;
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@ -1,6 +1,6 @@
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#!/bin/sh
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# Check setitimer and getitimer syscalls decoding.
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# Check decoding of setitimer and getitimer syscalls.
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. "${srcdir=.}/init.sh"
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run_strace_match_diff -e trace=setitimer,getitimer
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run_strace_match_diff -a29 -e trace=setitimer,getitimer
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