83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
|
/*
|
||
|
|
* Check decoding of prctl PR_GET_PDEATHSIG/PR_SET_PDEATHSIG operations.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016 JingPiao Chen <chenjingpiao@foxmail.com>
|
||
|
|
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
|
||
|
|
* Copyright (c) 2016-2017 The strace developers.
|
||
|
|
* 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>
|
||
|
|
#include <linux/prctl.h>
|
||
|
|
|
||
|
|
#if defined __NR_prctl && defined PR_GET_PDEATHSIG && defined PR_SET_PDEATHSIG
|
||
|
|
|
||
|
|
# include <stdio.h>
|
||
|
|
# include <unistd.h>
|
||
|
|
# include <sys/signal.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
main(void)
|
||
|
|
{
|
||
|
|
static const kernel_ulong_t bogus_signal =
|
||
|
|
(kernel_ulong_t) 0xbadc0deddeadfeedULL;
|
||
|
|
|
||
|
|
TAIL_ALLOC_OBJECT_CONST_PTR(int, pdeathsig);
|
||
|
|
long rc;
|
||
|
|
|
||
|
|
rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, bogus_signal);
|
||
|
|
printf("prctl(PR_SET_PDEATHSIG, %llu) = %s\n",
|
||
|
|
(unsigned long long) bogus_signal, sprintrc(rc));
|
||
|
|
|
||
|
|
rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, SIGINT);
|
||
|
|
printf("prctl(PR_SET_PDEATHSIG, SIGINT) = %s\n", sprintrc(rc));
|
||
|
|
|
||
|
|
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, NULL);
|
||
|
|
printf("prctl(PR_GET_PDEATHSIG, NULL) = %s\n", sprintrc(rc));
|
||
|
|
|
||
|
|
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig + 1);
|
||
|
|
printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
|
||
|
|
pdeathsig + 1, sprintrc(rc));
|
||
|
|
|
||
|
|
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig);
|
||
|
|
if (rc) {
|
||
|
|
printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
|
||
|
|
pdeathsig, sprintrc(rc));
|
||
|
|
} else {
|
||
|
|
printf("prctl(PR_GET_PDEATHSIG, [SIGINT]) = %s\n",
|
||
|
|
sprintrc(rc));
|
||
|
|
}
|
||
|
|
|
||
|
|
puts("+++ exited with 0 +++");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
SKIP_MAIN_UNDEFINED("__NR_prctl && PR_GET_PDEATHSIG && PR_SET_PDEATHSIG")
|
||
|
|
|
||
|
|
#endif
|