[Midnightbsd-cvs] src [11946] trunk/tests/sys/vm: add vm
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sat Jul 21 16:14:23 EDT 2018
Revision: 11946
http://svnweb.midnightbsd.org/src/?rev=11946
Author: laffer1
Date: 2018-07-21 16:14:22 -0400 (Sat, 21 Jul 2018)
Log Message:
-----------
add vm
Added Paths:
-----------
trunk/tests/sys/vm/
trunk/tests/sys/vm/Makefile
trunk/tests/sys/vm/mmap_test.c
Added: trunk/tests/sys/vm/Makefile
===================================================================
--- trunk/tests/sys/vm/Makefile (rev 0)
+++ trunk/tests/sys/vm/Makefile 2018-07-21 20:14:22 UTC (rev 11946)
@@ -0,0 +1,8 @@
+# $MidnightBSD$
+# $FreeBSD: stable/10/tests/sys/vm/Makefile 288465 2015-10-01 22:08:16Z jhb $
+
+TESTSDIR= ${TESTSBASE}/sys/vm
+
+ATF_TESTS_C+= mmap_test
+
+.include <bsd.test.mk>
Property changes on: trunk/tests/sys/vm/Makefile
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Added: svn:eol-style
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+text/plain
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Added: trunk/tests/sys/vm/mmap_test.c
===================================================================
--- trunk/tests/sys/vm/mmap_test.c (rev 0)
+++ trunk/tests/sys/vm/mmap_test.c 2018-07-21 20:14:22 UTC (rev 11946)
@@ -0,0 +1,280 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2009 Simon L. Nielsen <simon at FreeBSD.org>,
+ * Bjoern A. Zeeb <bz at FreeBSD.org>
+ *
+ * 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.
+ *
+ * $FreeBSD: stable/10/tests/sys/vm/mmap_test.c 313217 2017-02-04 16:16:41Z ngie $
+ */
+
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <sys/sysctl.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static const struct {
+ void *addr;
+ int ok[2]; /* Depending on security.bsd.map_at_zero {0, !=0}. */
+} map_at_zero_tests[] = {
+ { (void *)0, { 0, 1 } }, /* Test sysctl. */
+ { (void *)1, { 0, 0 } },
+ { (void *)(PAGE_SIZE - 1), { 0, 0 } },
+ { (void *)PAGE_SIZE, { 1, 1 } },
+ { (void *)-1, { 0, 0 } },
+ { (void *)(-PAGE_SIZE), { 0, 0 } },
+ { (void *)(-1 - PAGE_SIZE), { 0, 0 } },
+ { (void *)(-1 - PAGE_SIZE - 1), { 0, 0 } },
+ { (void *)(0x1000 * PAGE_SIZE), { 1, 1 } },
+};
+
+#define MAP_AT_ZERO "security.bsd.map_at_zero"
+
+ATF_TC_WITHOUT_HEAD(mmap__map_at_zero);
+ATF_TC_BODY(mmap__map_at_zero, tc)
+{
+ void *p;
+ size_t len;
+ unsigned int i;
+ int map_at_zero;
+
+ len = sizeof(map_at_zero);
+ if (sysctlbyname(MAP_AT_ZERO, &map_at_zero, &len, NULL, 0) == -1) {
+ atf_tc_skip("sysctl for %s failed: %s\n", MAP_AT_ZERO,
+ strerror(errno));
+ return;
+ }
+
+ /* Normalize to 0 or 1 for array access. */
+ map_at_zero = !!map_at_zero;
+
+ for (i = 0; i < nitems(map_at_zero_tests); i++) {
+ p = mmap((void *)map_at_zero_tests[i].addr, PAGE_SIZE,
+ PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED,
+ -1, 0);
+ if (p == MAP_FAILED) {
+ ATF_CHECK_MSG(map_at_zero_tests[i].ok[map_at_zero] == 0,
+ "mmap(%p, ...) failed", map_at_zero_tests[i].addr);
+ } else {
+ ATF_CHECK_MSG(map_at_zero_tests[i].ok[map_at_zero] == 1,
+ "mmap(%p, ...) succeeded: p=%p\n",
+ map_at_zero_tests[i].addr, p);
+ }
+ }
+}
+
+static void
+checked_mmap(int prot, int flags, int fd, int error, const char *msg)
+{
+ void *p;
+ int pagesize;
+
+ ATF_REQUIRE((pagesize = getpagesize()) > 0);
+ p = mmap(NULL, pagesize, prot, flags, fd, 0);
+ if (p == MAP_FAILED) {
+ if (error == 0)
+ ATF_CHECK_MSG(0, "%s failed with errno %d", msg,
+ errno);
+ else
+ ATF_CHECK_EQ_MSG(error, errno,
+ "%s failed with wrong errno %d (expected %d)", msg,
+ errno, error);
+ } else {
+ ATF_CHECK_MSG(error == 0, "%s succeeded", msg);
+ munmap(p, pagesize);
+ }
+}
+
+ATF_TC_WITHOUT_HEAD(mmap__bad_arguments);
+ATF_TC_BODY(mmap__bad_arguments, tc)
+{
+ int devstatfd, pagesize, shmfd, zerofd;
+
+ ATF_REQUIRE((pagesize = getpagesize()) > 0);
+ ATF_REQUIRE((devstatfd = open("/dev/devstat", O_RDONLY)) >= 0);
+ ATF_REQUIRE((shmfd = shm_open(SHM_ANON, O_RDWR, 0644)) >= 0);
+ ATF_REQUIRE(ftruncate(shmfd, pagesize) == 0);
+ ATF_REQUIRE((zerofd = open("/dev/zero", O_RDONLY)) >= 0);
+
+ /* These should work. */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON, -1, 0,
+ "simple MAP_ANON");
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0,
+ "simple shm fd shared");
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE, shmfd, 0,
+ "simple shm fd private");
+ checked_mmap(PROT_READ, MAP_SHARED, zerofd, 0,
+ "simple /dev/zero shared");
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE, zerofd, 0,
+ "simple /dev/zero private");
+ checked_mmap(PROT_READ, MAP_SHARED, devstatfd, 0,
+ "simple /dev/devstat shared");
+
+#if 0
+ /*
+ * These tests do not fail without r271635 and followup fixes.
+ * Those changes will not be merged to stable/10 since they
+ * are potentially disruptive.
+ */
+
+ /* Extra PROT flags. */
+ checked_mmap(PROT_READ | PROT_WRITE | 0x100000, MAP_ANON, -1, EINVAL,
+ "MAP_ANON with extra PROT flags");
+ checked_mmap(0xffff, MAP_SHARED, shmfd, EINVAL,
+ "shm fd with garbage PROT");
+
+ /* Undefined flag. */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_RESERVED0080, -1,
+ EINVAL, "Undefined flag");
+
+ /* Both MAP_SHARED and MAP_PRIVATE */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE |
+ MAP_SHARED, -1, EINVAL, "MAP_ANON with both SHARED and PRIVATE");
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_SHARED, shmfd,
+ EINVAL, "shm fd with both SHARED and PRIVATE");
+
+ /* At least one of MAP_SHARED or MAP_PRIVATE without ANON */
+ checked_mmap(PROT_READ | PROT_WRITE, 0, shmfd, EINVAL,
+ "shm fd without sharing flag");
+#endif
+
+ /* MAP_ANON with either sharing flag (impacts fork). */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0,
+ "shared MAP_ANON");
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0,
+ "private MAP_ANON");
+
+ /* MAP_ANON should require an fd of -1. */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, 0, EINVAL,
+ "MAP_ANON with fd != -1");
+
+ /* Writable MAP_SHARED should fail on read-only descriptors. */
+ checked_mmap(PROT_READ | PROT_WRITE, MAP_SHARED, zerofd, EACCES,
+ "MAP_SHARED of read-only /dev/zero");
+
+ /*
+ * Character devices other than /dev/zero do not support private
+ * mappings.
+ */
+ checked_mmap(PROT_READ, MAP_PRIVATE, devstatfd, EINVAL,
+ "MAP_PRIVATE of /dev/devstat");
+
+ close(devstatfd);
+ close(shmfd);
+ close(zerofd);
+}
+
+ATF_TC_WITHOUT_HEAD(mmap__dev_zero_private);
+ATF_TC_BODY(mmap__dev_zero_private, tc)
+{
+ char *p1, *p2, *p3;
+ int fd, i, pagesize;
+
+ ATF_REQUIRE((pagesize = getpagesize()) > 0);
+ ATF_REQUIRE((fd = open("/dev/zero", O_RDONLY)) >= 0);
+
+ p1 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+ ATF_REQUIRE(p1 != MAP_FAILED);
+
+ p2 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+ ATF_REQUIRE(p2 != MAP_FAILED);
+
+ for (i = 0; i < pagesize; i++)
+ ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%d] is %x", i, p1[i]);
+
+ ATF_REQUIRE(memcmp(p1, p2, pagesize) == 0);
+
+ p1[0] = 1;
+
+ ATF_REQUIRE(p2[0] == 0);
+
+ p2[0] = 2;
+
+ ATF_REQUIRE(p1[0] == 1);
+
+ p3 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+ ATF_REQUIRE(p3 != MAP_FAILED);
+
+ ATF_REQUIRE(p3[0] == 0);
+
+ munmap(p1, pagesize);
+ munmap(p2, pagesize);
+ munmap(p3, pagesize);
+ close(fd);
+}
+
+ATF_TC_WITHOUT_HEAD(mmap__dev_zero_shared);
+ATF_TC_BODY(mmap__dev_zero_shared, tc)
+{
+ char *p1, *p2, *p3;
+ int fd, i, pagesize;
+
+ ATF_REQUIRE((pagesize = getpagesize()) > 0);
+ ATF_REQUIRE((fd = open("/dev/zero", O_RDWR)) >= 0);
+
+ p1 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ ATF_REQUIRE(p1 != MAP_FAILED);
+
+ p2 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ ATF_REQUIRE(p2 != MAP_FAILED);
+
+ for (i = 0; i < pagesize; i++)
+ ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%d] is %x", i, p1[i]);
+
+ ATF_REQUIRE(memcmp(p1, p2, pagesize) == 0);
+
+ p1[0] = 1;
+
+ ATF_REQUIRE(p2[0] == 0);
+
+ p2[0] = 2;
+
+ ATF_REQUIRE(p1[0] == 1);
+
+ p3 = mmap(NULL, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, fd,
+ 0);
+ ATF_REQUIRE(p3 != MAP_FAILED);
+
+ ATF_REQUIRE(p3[0] == 0);
+
+ munmap(p1, pagesize);
+ munmap(p2, pagesize);
+ munmap(p3, pagesize);
+ close(fd);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, mmap__map_at_zero);
+ ATF_TP_ADD_TC(tp, mmap__bad_arguments);
+ ATF_TP_ADD_TC(tp, mmap__dev_zero_private);
+ ATF_TP_ADD_TC(tp, mmap__dev_zero_shared);
+
+ return (atf_no_error());
+}
Property changes on: trunk/tests/sys/vm/mmap_test.c
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
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