1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
|
/*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/prctl.h>
int
main(void)
{
static const char text1[] =
"prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT) = 0\n";
static const char text2[] = "+++ exited with 0 +++\n";
int rc;
prctl_marker();
rc = prctl(PR_SET_SECCOMP, -1L, 1, 2, 3);
printf("prctl(PR_SET_SECCOMP, %#lx /* SECCOMP_MODE_??? */, 0x1, 0x2, 0x3)"
" = %s\n", -1L, sprintrc(rc));
fflush(stdout);
rc = prctl(PR_SET_SECCOMP, 1);
if (rc) {
printf("prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT)"
" = %s\n", sprintrc(rc));
fflush(stdout);
rc = 0;
} else {
/*
* If kernel implementation of SECCOMP_MODE_STRICT is buggy,
* the following syscall will result to SIGKILL.
*/
rc = write(1, text1, LENGTH_OF(text1)) != LENGTH_OF(text1);
}
rc += write(1, text2, LENGTH_OF(text2)) != LENGTH_OF(text2);
return !!syscall(__NR_exit, rc);
}
|