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Add a (skipped for now) test case for PR 46463

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This commit is contained in:
martin 2012-05-31 20:31:07 +00:00
parent 2b5ab40700
commit 78b7b66d90
1 changed files with 80 additions and 2 deletions
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82
tests/lib/libc/sys/t_kevent.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_kevent.c,v 1.2 2012/03/18 07:00:52 jruoho Exp $ */
/* $NetBSD: t_kevent.c,v 1.3 2012/05/31 20:31:07 martin Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_kevent.c,v 1.2 2012/03/18 07:00:52 jruoho Exp $");
__RCSID("$NetBSD: t_kevent.c,v 1.3 2012/05/31 20:31:07 martin Exp $");
#include <sys/types.h>
#include <sys/event.h>
@ -37,6 +37,14 @@ __RCSID("$NetBSD: t_kevent.c,v 1.2 2012/03/18 07:00:52 jruoho Exp $");
#include <atf-c.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <err.h>
#include <sys/event.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <sys/wait.h>
ATF_TC(kevent_zerotimer);
ATF_TC_HEAD(kevent_zerotimer, tc)
@ -56,10 +64,80 @@ ATF_TC_BODY(kevent_zerotimer, tc)
ATF_REQUIRE(kevent(kq, NULL, 0, &ev, 1, NULL) == 1);
}
ATF_TC(kqueue_desc_passing);
ATF_TC_HEAD(kqueue_desc_passing, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks that passing a kqueue to "
"another process does not crash the kernel (PR 46463)");
}
ATF_TC_BODY(kqueue_desc_passing, tc)
{
pid_t child;
int s[2], storage, status, kq;
struct cmsghdr *msg;
struct iovec iov;
struct msghdr m;
struct kevent ev;
ATF_REQUIRE((kq = kqueue()) != -1);
atf_tc_skip("crashes kernel (PR 46463)");
ATF_REQUIRE(socketpair(AF_LOCAL, SOCK_STREAM, 0, s) != -1);
msg = malloc(CMSG_SPACE(sizeof(int)));
m.msg_iov = &iov;
m.msg_iovlen = 1;
m.msg_name = NULL;
m.msg_namelen = 0;
m.msg_control = msg;
m.msg_controllen = CMSG_SPACE(sizeof(int));
child = fork();
if (child == 0) {
close(s[0]);
iov.iov_base = &storage;
iov.iov_len = sizeof(int);
m.msg_iov = &iov;
m.msg_iovlen = 1;
if (recvmsg(s[1], &m, 0) == -1)
err(1, "child: could not recvmsg");
kq = *(int *)CMSG_DATA(msg);
printf("child (pid %d): received kq fd %d\n", getpid(), kq);
exit(0);
}
close(s[1]);
iov.iov_base = &storage;
iov.iov_len = sizeof(int);
msg->cmsg_level = SOL_SOCKET;
msg->cmsg_type = SCM_RIGHTS;
msg->cmsg_len = CMSG_LEN(sizeof(int));
*(int *)CMSG_DATA(msg) = kq;
EV_SET(&ev, 1, EVFILT_TIMER, EV_ADD|EV_ENABLE, 0, 1, 0);
ATF_CHECK(kevent(kq, &ev, 1, NULL, 0, NULL) != -1);
printf("parent (pid %d): sending kq fd %d\n", getpid(), kq);
ATF_REQUIRE(sendmsg(s[0], &m, 0) != -1);
close(kq);
waitpid(child, &status, 0);
ATF_CHECK(WIFEXITED(status) && WEXITSTATUS(status)==0);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, kevent_zerotimer);
ATF_TP_ADD_TC(tp, kqueue_desc_passing);
return atf_no_error();
}