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.
80 lines
2.6 KiB
80 lines
2.6 KiB
4 months ago
|
/*
|
||
|
* Check decoding of kill syscall.
|
||
|
*
|
||
|
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
|
||
|
* Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
|
||
|
* 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 <asm/unistd.h>
|
||
|
|
||
|
#ifdef __NR_kill
|
||
|
|
||
|
# include <signal.h>
|
||
|
# include <stdio.h>
|
||
|
# include <unistd.h>
|
||
|
|
||
|
static void
|
||
|
handler(int sig)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
int
|
||
|
main(void)
|
||
|
{
|
||
|
const struct sigaction act = { .sa_handler = handler };
|
||
|
if (sigaction(SIGALRM, &act, NULL))
|
||
|
perror_msg_and_fail("sigaction");
|
||
|
|
||
|
sigset_t mask;
|
||
|
sigemptyset(&mask);
|
||
|
sigaddset(&mask, SIGALRM);
|
||
|
if (sigprocmask(SIG_UNBLOCK, &mask, NULL))
|
||
|
perror_msg_and_fail("sigprocmask");
|
||
|
|
||
|
const int pid = getpid();
|
||
|
long rc = syscall(__NR_kill, pid, (long) 0xdefaced00000000ULL | SIGALRM);
|
||
|
printf("kill(%d, SIGALRM) = %ld\n", pid, rc);
|
||
|
|
||
|
const long big_pid = (long) 0xfacefeedbadc0dedULL;
|
||
|
const long big_sig = (long) 0xdeadbeefcafef00dULL;
|
||
|
rc = syscall(__NR_kill, big_pid, big_sig);
|
||
|
printf("kill(%d, %d) = %ld %s (%m)\n",
|
||
|
(int) big_pid, (int) big_sig, rc, errno2name());
|
||
|
|
||
|
rc = syscall(__NR_kill, (long) 0xdefaced00000000ULL | pid, 0);
|
||
|
printf("kill(%d, SIG_0) = %ld\n", pid, rc);
|
||
|
|
||
|
puts("+++ exited with 0 +++");
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#else
|
||
|
|
||
|
SKIP_MAIN_UNDEFINED("__NR_kill")
|
||
|
|
||
|
#endif
|