Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,

minus the vendor Makefiles

Provide directions for how to bootstrap the vendor sources in
FREEBSD-upgrade

MFC after 2 weeks
Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

1 files changed, 505 insertions, 0 deletions

diff --git a/contrib/netbsd-tests/lib/libc/sys/t_mmap.c b/contrib/netbsd-tests/lib/libc/sys/t_mmap.c
new file mode 100644
index 0000000..c6b97b1
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libc/sys/t_mmap.c
@@ -0,0 +1,505 @@
+/* $NetBSD: t_mmap.c,v 1.7 2012/06/14 17:47:58 bouyer Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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.
+ */
+
+/*-
+ * Copyright (c)2004 YAMAMOTO Takashi,
+ * 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 AUTHOR 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 AUTHOR 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_mmap.c,v 1.7 2012/06/14 17:47:58 bouyer Exp $");
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/wait.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <paths.h>
+#include <machine/disklabel.h>
+
+static long	page = 0;
+static char	path[] = "mmap";
+static void	map_check(void *, int);
+static void	map_sighandler(int);
+static void	testloan(void *, void *, char, int);
+
+#define	BUFSIZE	(32 * 1024)	/* enough size to trigger sosend_loan */
+
+static void
+map_check(void *map, int flag)
+{
+
+	if (flag != 0) {
+		ATF_REQUIRE(map == MAP_FAILED);
+		return;
+	}
+
+	ATF_REQUIRE(map != MAP_FAILED);
+	ATF_REQUIRE(munmap(map, page) == 0);
+}
+
+void
+testloan(void *vp, void *vp2, char pat, int docheck)
+{
+	char buf[BUFSIZE];
+	char backup[BUFSIZE];
+	ssize_t nwritten;
+	ssize_t nread;
+	int fds[2];
+	int val;
+
+	val = BUFSIZE;
+
+	if (docheck != 0)
+		(void)memcpy(backup, vp, BUFSIZE);
+
+	if (socketpair(AF_LOCAL, SOCK_STREAM, PF_UNSPEC, fds) != 0)
+		atf_tc_fail("socketpair() failed");
+
+	val = BUFSIZE;
+
+	if (setsockopt(fds[1], SOL_SOCKET, SO_RCVBUF, &val, sizeof(val)) != 0)
+		atf_tc_fail("setsockopt() failed, SO_RCVBUF");
+
+	val = BUFSIZE;
+
+	if (setsockopt(fds[0], SOL_SOCKET, SO_SNDBUF, &val, sizeof(val)) != 0)
+		atf_tc_fail("setsockopt() failed, SO_SNDBUF");
+
+	if (fcntl(fds[0], F_SETFL, O_NONBLOCK) != 0)
+		atf_tc_fail("fcntl() failed");
+
+	nwritten = write(fds[0], (char *)vp + page, BUFSIZE - page);
+
+	if (nwritten == -1)
+		atf_tc_fail("write() failed");
+
+	/* Break loan. */
+	(void)memset(vp2, pat, BUFSIZE);
+
+	nread = read(fds[1], buf + page, BUFSIZE - page);
+
+	if (nread == -1)
+		atf_tc_fail("read() failed");
+
+	if (nread != nwritten)
+		atf_tc_fail("too short read");
+
+	if (docheck != 0 && memcmp(backup, buf + page, nread) != 0)
+		atf_tc_fail("data mismatch");
+
+	ATF_REQUIRE(close(fds[0]) == 0);
+	ATF_REQUIRE(close(fds[1]) == 0);
+}
+
+static void
+map_sighandler(int signo)
+{
+	_exit(signo);
+}
+
+ATF_TC(mmap_block);
+ATF_TC_HEAD(mmap_block, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) with a block device");
+	atf_tc_set_md_var(tc, "require.user", "root");
+}
+
+ATF_TC_BODY(mmap_block, tc)
+{
+	static const int mib[] = { CTL_HW, HW_DISKNAMES };
+	static const unsigned int miblen = __arraycount(mib);
+	char *map, *dk, *drives, dev[PATH_MAX];
+	size_t len;
+	int fd = -1;
+
+	atf_tc_skip("The test case causes a panic (PR kern/38889, kern/46592)");
+
+	ATF_REQUIRE(sysctl(mib, miblen, NULL, &len, NULL, 0) == 0);
+	drives = malloc(len);
+	ATF_REQUIRE(drives != NULL);
+	ATF_REQUIRE(sysctl(mib, miblen, drives, &len, NULL, 0) == 0);
+	for (dk = strtok(drives, " "); dk != NULL; dk = strtok(NULL, " ")) {
+		sprintf(dev, _PATH_DEV "%s%c", dk, 'a'+RAW_PART);
+		fprintf(stderr, "trying: %s\n", dev);
+
+		if ((fd = open(dev, O_RDONLY)) >= 0) {
+			(void)fprintf(stderr, "using %s\n", dev);
+			break;
+		}
+	}
+	free(drives);
+
+	if (fd < 0)
+		atf_tc_skip("failed to find suitable block device");
+
+	map = mmap(NULL, 4096, PROT_READ, MAP_FILE, fd, 0);
+	ATF_REQUIRE(map != MAP_FAILED);
+
+	(void)fprintf(stderr, "first byte %x\n", *map);
+	ATF_REQUIRE(close(fd) == 0);
+	(void)fprintf(stderr, "first byte %x\n", *map);
+
+	ATF_REQUIRE(munmap(map, 4096) == 0);
+}
+
+ATF_TC(mmap_err);
+ATF_TC_HEAD(mmap_err, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test error conditions of mmap(2)");
+}
+
+ATF_TC_BODY(mmap_err, tc)
+{
+	size_t addr = SIZE_MAX;
+	void *map;
+
+	errno = 0;
+	map = mmap(NULL, 3, PROT_READ, MAP_FILE|MAP_PRIVATE, -1, 0);
+
+	ATF_REQUIRE(map == MAP_FAILED);
+	ATF_REQUIRE(errno == EBADF);
+
+	errno = 0;
+	map = mmap(&addr, page, PROT_READ, MAP_FIXED|MAP_PRIVATE, -1, 0);
+
+	ATF_REQUIRE(map == MAP_FAILED);
+	ATF_REQUIRE(errno == EINVAL);
+
+	errno = 0;
+	map = mmap(NULL, page, PROT_READ, MAP_ANON|MAP_PRIVATE, INT_MAX, 0);
+
+	ATF_REQUIRE(map == MAP_FAILED);
+	ATF_REQUIRE(errno == EINVAL);
+}
+
+ATF_TC_WITH_CLEANUP(mmap_loan);
+ATF_TC_HEAD(mmap_loan, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test uvm page loanout with mmap(2)");
+}
+
+ATF_TC_BODY(mmap_loan, tc)
+{
+	char buf[BUFSIZE];
+	char *vp, *vp2;
+	int fd;
+
+	fd = open(path, O_RDWR | O_CREAT, 0600);
+	ATF_REQUIRE(fd >= 0);
+
+	(void)memset(buf, 'x', sizeof(buf));
+	(void)write(fd, buf, sizeof(buf));
+
+	vp = mmap(NULL, BUFSIZE, PROT_READ | PROT_WRITE,
+	    MAP_FILE | MAP_PRIVATE, fd, 0);
+
+	ATF_REQUIRE(vp != MAP_FAILED);
+
+	vp2 = vp;
+
+	testloan(vp, vp2, 'A', 0);
+	testloan(vp, vp2, 'B', 1);
+
+	ATF_REQUIRE(munmap(vp, BUFSIZE) == 0);
+
+	vp = mmap(NULL, BUFSIZE, PROT_READ | PROT_WRITE,
+	    MAP_FILE | MAP_SHARED, fd, 0);
+
+	vp2 = mmap(NULL, BUFSIZE, PROT_READ | PROT_WRITE,
+	    MAP_FILE | MAP_SHARED, fd, 0);
+
+	ATF_REQUIRE(vp != MAP_FAILED);
+	ATF_REQUIRE(vp2 != MAP_FAILED);
+
+	testloan(vp, vp2, 'E', 1);
+
+	ATF_REQUIRE(munmap(vp, BUFSIZE) == 0);
+	ATF_REQUIRE(munmap(vp2, BUFSIZE) == 0);
+}
+
+ATF_TC_CLEANUP(mmap_loan, tc)
+{
+	(void)unlink(path);
+}
+
+ATF_TC_WITH_CLEANUP(mmap_prot_1);
+ATF_TC_HEAD(mmap_prot_1, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) protections, #1");
+}
+
+ATF_TC_BODY(mmap_prot_1, tc)
+{
+	void *map;
+	int fd;
+
+	/*
+	 * Open a file write-only and try to
+	 * map it read-only. This should fail.
+	 */
+	fd = open(path, O_WRONLY | O_CREAT, 0700);
+
+	if (fd < 0)
+		return;
+
+	ATF_REQUIRE(write(fd, "XXX", 3) == 3);
+
+	map = mmap(NULL, 3, PROT_READ, MAP_FILE|MAP_PRIVATE, fd, 0);
+	map_check(map, 1);
+
+	map = mmap(NULL, 3, PROT_WRITE, MAP_FILE|MAP_PRIVATE, fd, 0);
+	map_check(map, 0);
+
+	ATF_REQUIRE(close(fd) == 0);
+}
+
+ATF_TC_CLEANUP(mmap_prot_1, tc)
+{
+	(void)unlink(path);
+}
+
+ATF_TC(mmap_prot_2);
+ATF_TC_HEAD(mmap_prot_2, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) protections, #2");
+}
+
+ATF_TC_BODY(mmap_prot_2, tc)
+{
+	char buf[2];
+	void *map;
+	pid_t pid;
+	int sta;
+
+	/*
+	 * Make a PROT_NONE mapping and try to access it.
+	 * If we catch a SIGSEGV, all works as expected.
+	 */
+	map = mmap(NULL, page, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
+	ATF_REQUIRE(map != MAP_FAILED);
+
+	pid = fork();
+	ATF_REQUIRE(pid >= 0);
+
+	if (pid == 0) {
+		ATF_REQUIRE(signal(SIGSEGV, map_sighandler) != SIG_ERR);
+		ATF_REQUIRE(strlcpy(buf, map, sizeof(buf)) != 0);
+	}
+
+	(void)wait(&sta);
+
+	ATF_REQUIRE(WIFEXITED(sta) != 0);
+	ATF_REQUIRE(WEXITSTATUS(sta) == SIGSEGV);
+	ATF_REQUIRE(munmap(map, page) == 0);
+}
+
+ATF_TC_WITH_CLEANUP(mmap_prot_3);
+ATF_TC_HEAD(mmap_prot_3, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) protections, #3");
+}
+
+ATF_TC_BODY(mmap_prot_3, tc)
+{
+	char buf[2];
+	int fd, sta;
+	void *map;
+	pid_t pid;
+
+	/*
+	 * Open a file, change the permissions
+	 * to read-only, and try to map it as
+	 * PROT_NONE. This should succeed, but
+	 * the access should generate SIGSEGV.
+	 */
+	fd = open(path, O_RDWR | O_CREAT, 0700);
+
+	if (fd < 0)
+		return;
+
+	ATF_REQUIRE(write(fd, "XXX", 3) == 3);
+	ATF_REQUIRE(close(fd) == 0);
+	ATF_REQUIRE(chmod(path, 0444) == 0);
+
+	fd = open(path, O_RDONLY);
+	ATF_REQUIRE(fd != -1);
+
+	map = mmap(NULL, 3, PROT_NONE, MAP_FILE | MAP_SHARED, fd, 0);
+	ATF_REQUIRE(map != MAP_FAILED);
+
+	pid = fork();
+
+	ATF_REQUIRE(pid >= 0);
+
+	if (pid == 0) {
+		ATF_REQUIRE(signal(SIGSEGV, map_sighandler) != SIG_ERR);
+		ATF_REQUIRE(strlcpy(buf, map, sizeof(buf)) != 0);
+	}
+
+	(void)wait(&sta);
+
+	ATF_REQUIRE(WIFEXITED(sta) != 0);
+	ATF_REQUIRE(WEXITSTATUS(sta) == SIGSEGV);
+	ATF_REQUIRE(munmap(map, 3) == 0);
+}
+
+ATF_TC_CLEANUP(mmap_prot_3, tc)
+{
+	(void)unlink(path);
+}
+
+ATF_TC_WITH_CLEANUP(mmap_truncate);
+ATF_TC_HEAD(mmap_truncate, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) and ftruncate(2)");
+}
+
+ATF_TC_BODY(mmap_truncate, tc)
+{
+	char *map;
+	long i;
+	int fd;
+
+	fd = open(path, O_RDWR | O_CREAT, 0700);
+
+	if (fd < 0)
+		return;
+
+	/*
+	 * See that ftruncate(2) works
+	 * while the file is mapped.
+	 */
+	ATF_REQUIRE(ftruncate(fd, page) == 0);
+
+	map = mmap(NULL, page, PROT_READ | PROT_WRITE, MAP_FILE|MAP_PRIVATE,
+	     fd, 0);
+	ATF_REQUIRE(map != MAP_FAILED);
+
+	for (i = 0; i < page; i++)
+		map[i] = 'x';
+
+	ATF_REQUIRE(ftruncate(fd, 0) == 0);
+	ATF_REQUIRE(ftruncate(fd, page / 8) == 0);
+	ATF_REQUIRE(ftruncate(fd, page / 4) == 0);
+	ATF_REQUIRE(ftruncate(fd, page / 2) == 0);
+	ATF_REQUIRE(ftruncate(fd, page / 12) == 0);
+	ATF_REQUIRE(ftruncate(fd, page / 64) == 0);
+
+	ATF_REQUIRE(close(fd) == 0);
+}
+
+ATF_TC_CLEANUP(mmap_truncate, tc)
+{
+	(void)unlink(path);
+}
+
+ATF_TC(mmap_va0);
+ATF_TC_HEAD(mmap_va0, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test mmap(2) and vm.user_va0_disable");
+}
+
+ATF_TC_BODY(mmap_va0, tc)
+{
+	int flags = MAP_ANON | MAP_FIXED | MAP_PRIVATE;
+	size_t len = sizeof(int);
+	void *map;
+	int val;
+
+	/*
+	 * Make an anonymous fixed mapping at zero address. If the address
+	 * is restricted as noted in security(7), the syscall should fail.
+	 */
+	if (sysctlbyname("vm.user_va0_disable", &val, &len, NULL, 0) != 0)
+		atf_tc_fail("failed to read vm.user_va0_disable");
+
+	map = mmap(NULL, page, PROT_EXEC, flags, -1, 0);
+	map_check(map, val);
+
+	map = mmap(NULL, page, PROT_READ, flags, -1, 0);
+	map_check(map, val);
+
+	map = mmap(NULL, page, PROT_WRITE, flags, -1, 0);
+	map_check(map, val);
+
+	map = mmap(NULL, page, PROT_READ|PROT_WRITE, flags, -1, 0);
+	map_check(map, val);
+
+	map = mmap(NULL, page, PROT_EXEC|PROT_READ|PROT_WRITE, flags, -1, 0);
+	map_check(map, val);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	page = sysconf(_SC_PAGESIZE);
+	ATF_REQUIRE(page >= 0);
+
+	ATF_TP_ADD_TC(tp, mmap_block);
+	ATF_TP_ADD_TC(tp, mmap_err);
+	ATF_TP_ADD_TC(tp, mmap_loan);
+	ATF_TP_ADD_TC(tp, mmap_prot_1);
+	ATF_TP_ADD_TC(tp, mmap_prot_2);
+	ATF_TP_ADD_TC(tp, mmap_prot_3);
+	ATF_TP_ADD_TC(tp, mmap_truncate);
+	ATF_TP_ADD_TC(tp, mmap_va0);
+
+	return atf_no_error();
+}