Add new test t_ptrace with traceme1
This test is a placeholder for further checks of the native ptrace(2)
function calls.
XXX: Is it safe to call ATF functions from a child? FreeBSD seems to
construct dedicated asserts for them.
XXX: printf(3) calls from a child are not intercepted by atf-run(1)
Sponsored by <The NetBSD Foundation>.
This commit is contained in:
kamil
parent
cc1c85bff6
commit
46910e0e26
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: mi,v 1.169 2016/11/01 19:21:17 christos Exp $
|
||||
# $NetBSD: mi,v 1.170 2016/11/02 12:51:22 kamil Exp $
|
||||
./etc/mtree/set.debug comp-sys-root
|
||||
./usr/lib comp-sys-usr compatdir
|
||||
./usr/lib/i18n/libBIG5_g.a comp-c-debuglib debuglib,compatfile
|
||||
|
|
@ -1690,6 +1690,7 @@
|
|||
./usr/libdata/debug/usr/tests/kernel/t_poll3w.debug tests-obsolete obsolete,compattestfile
|
||||
./usr/libdata/debug/usr/tests/kernel/t_pollts.debug tests-obsolete obsolete,compattestfile
|
||||
./usr/libdata/debug/usr/tests/kernel/t_posix_fadvise.debug tests-obsolete obsolete,compattestfile
|
||||
./usr/libdata/debug/usr/tests/kernel/t_ptrace.debug tests-kernel-tests debug,atf,compattestfile
|
||||
./usr/libdata/debug/usr/tests/kernel/t_pty.debug tests-kernel-tests debug,atf,compattestfile
|
||||
./usr/libdata/debug/usr/tests/kernel/t_rnd.debug tests-kernel-tests debug,atf,rump
|
||||
./usr/libdata/debug/usr/tests/kernel/t_sigaction.debug tests-obsolete obsolete,compattestfile
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: mi,v 1.690 2016/10/31 10:38:25 ozaki-r Exp $
|
||||
# $NetBSD: mi,v 1.691 2016/11/02 12:51:22 kamil Exp $
|
||||
#
|
||||
# Note: don't delete entries from here - mark them as "obsolete" instead.
|
||||
#
|
||||
|
|
@ -2125,6 +2125,7 @@
|
|||
./usr/tests/kernel/t_posix_fadvise tests-obsolete obsolete
|
||||
./usr/tests/kernel/t_posix_fallocate tests-obsolete obsolete
|
||||
./usr/tests/kernel/t_ps_strings tests-kernel-tests compattestfile,atf
|
||||
./usr/tests/kernel/t_ptrace tests-kernel-tests compattestfile,atf
|
||||
./usr/tests/kernel/t_pty tests-kernel-tests compattestfile,atf
|
||||
./usr/tests/kernel/t_rnd tests-kernel-tests atf,rump
|
||||
./usr/tests/kernel/t_sigaction tests-obsolete obsolete
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: Makefile,v 1.39 2016/02/15 14:59:38 christos Exp $
|
||||
# $NetBSD: Makefile,v 1.40 2016/11/02 12:51:22 kamil Exp $
|
||||
|
||||
NOMAN= # defined
|
||||
|
||||
|
|
@ -9,6 +9,7 @@ TESTSDIR= ${TESTSBASE}/kernel
|
|||
TESTS_SUBDIRS= kqueue
|
||||
TESTS_C= t_lock
|
||||
TESTS_C+= t_lockf
|
||||
TESTS_C+= t_ptrace
|
||||
TESTS_C+= t_pty
|
||||
TESTS_C+= t_mqueue
|
||||
TESTS_C+= t_sysv
|
||||
|
|
|
|||
|
|
@ -0,0 +1,152 @@
|
|||
/* $NetBSD: t_ptrace.c,v 1.1 2016/11/02 12:51:22 kamil Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2016 The NetBSD Foundation, Inc.
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``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 FOUNDATION OR CONTRIBUTORS
|
||||
* 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 <sys/cdefs.h>
|
||||
__RCSID("$NetBSD: t_ptrace.c,v 1.1 2016/11/02 12:51:22 kamil Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/ptrace.h>
|
||||
#include <sys/wait.h>
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <atf-c.h>
|
||||
|
||||
#include "../h_macros.h"
|
||||
|
||||
ATF_TC(traceme1);
|
||||
ATF_TC_HEAD(traceme1, tc)
|
||||
{
|
||||
atf_tc_set_md_var(tc, "descr",
|
||||
"Verify SIGSTOP followed by _exit(2) in a child");
|
||||
}
|
||||
|
||||
ATF_TC_BODY(traceme1, tc)
|
||||
{
|
||||
int status;
|
||||
const int exitval = 5;
|
||||
const int sigval = SIGSTOP;
|
||||
pid_t child, wpid;
|
||||
|
||||
printf("1: Before forking process PID=%d\n", getpid());
|
||||
ATF_REQUIRE((child = fork()) != -1);
|
||||
if (child == 0) {
|
||||
/* printf(3) messages from a child aren't intercepted by ATF */
|
||||
/* "2: Child process PID=%d\n", getpid() */
|
||||
|
||||
/* "2: Before calling ptrace(PT_TRACE_ME, ...)\n" */
|
||||
if (ptrace(PT_TRACE_ME, 0, NULL, 0) == -1) {
|
||||
/* XXX: Is it safe to use ATF functions in a child? */
|
||||
err(EXIT_FAILURE, "2: ptrace(2) call failed with "
|
||||
"status %s", sys_errlist[errno]);
|
||||
}
|
||||
|
||||
/* "2: Before raising SIGSTOP\n" */
|
||||
raise(sigval);
|
||||
|
||||
/* "2: Before calling _exit(%d)\n", exitval */
|
||||
_exit(exitval);
|
||||
} else {
|
||||
printf("1: Parent process PID=%d, child's PID=%d\n", getpid(),
|
||||
child);
|
||||
|
||||
printf("1: Before calling waitpid() for the child\n");
|
||||
wpid = waitpid(child, &status, 0);
|
||||
|
||||
printf("1: Validating child's PID (expected %d, got %d)\n",
|
||||
child, wpid);
|
||||
ATF_REQUIRE(child == wpid);
|
||||
|
||||
printf("1: Ensuring that the child has not been exited\n");
|
||||
ATF_REQUIRE(!WIFEXITED(status));
|
||||
|
||||
printf("1: Ensuring that the child has not been continued\n");
|
||||
ATF_REQUIRE(!WIFCONTINUED(status));
|
||||
|
||||
printf("1: Ensuring that the child has not been terminated "
|
||||
"with a signal\n");
|
||||
ATF_REQUIRE(!WIFSIGNALED(status));
|
||||
|
||||
printf("1: Ensuring that the child has been stopped\n");
|
||||
ATF_REQUIRE(WIFSTOPPED(status));
|
||||
|
||||
printf("1: Verifying that he child has been stopped with the"
|
||||
" %s signal (received %s)\n", sys_signame[sigval],
|
||||
sys_signame[WSTOPSIG(status)]);
|
||||
ATF_REQUIRE(WSTOPSIG(status) == sigval);
|
||||
|
||||
printf("1: Before resuming the child process where it left "
|
||||
"off and without signal to be sent\n");
|
||||
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
|
||||
|
||||
printf("1: Before calling waitpid() for the child\n");
|
||||
wpid = waitpid(child, &status, 0);
|
||||
|
||||
printf("1: Validating that child's PID is still there\n");
|
||||
ATF_REQUIRE(wpid == child);
|
||||
|
||||
printf("1: Ensuring that the child has been exited\n");
|
||||
ATF_REQUIRE(WIFEXITED(status));
|
||||
|
||||
printf("1: Ensuring that the child has not been continued\n");
|
||||
ATF_REQUIRE(!WIFCONTINUED(status));
|
||||
|
||||
printf("1: Ensuring that the child has not been terminated "
|
||||
"with a signal\n");
|
||||
ATF_REQUIRE(!WIFSIGNALED(status));
|
||||
|
||||
printf("1: Ensuring that the child has not been stopped\n");
|
||||
ATF_REQUIRE(!WIFSTOPPED(status));
|
||||
|
||||
printf("1: Verifying that he child has exited with the "
|
||||
"%d status (received %d)\n", exitval, WEXITSTATUS(status));
|
||||
ATF_REQUIRE(WEXITSTATUS(status) == exitval);
|
||||
|
||||
printf("1: Before calling waitpid() for the exited child\n");
|
||||
wpid = waitpid(child, &status, 0);
|
||||
|
||||
printf("1: Validating that child's PID no longer exists\n");
|
||||
ATF_REQUIRE(wpid == -1);
|
||||
|
||||
printf("1: Validating that errno is set to %s (got %s)\n",
|
||||
sys_errlist[ECHILD], sys_errlist[errno]);
|
||||
ATF_REQUIRE(errno == ECHILD);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
ATF_TP_ADD_TCS(tp)
|
||||
{
|
||||
ATF_TP_ADD_TC(tp, traceme1);
|
||||
|
||||
return atf_no_error();
|
||||
}
|
||||
Loading…
Reference in New Issue