Index: user/ngie/more-tests/tests/sys/vm/mmap_test.c =================================================================== --- user/ngie/more-tests/tests/sys/vm/mmap_test.c (revision 288678) +++ user/ngie/more-tests/tests/sys/vm/mmap_test.c (revision 288679) @@ -1,259 +1,257 @@ /*- * Copyright (c) 2009 Simon L. Nielsen , * Bjoern A. Zeeb * * 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. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include 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; p = mmap(NULL, getpagesize(), 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, getpagesize()); } } ATF_TC_WITHOUT_HEAD(mmap__bad_arguments); ATF_TC_BODY(mmap__bad_arguments, tc) { int devstatfd, shmfd, zerofd; ATF_REQUIRE((devstatfd = open("/dev/devstat", O_RDONLY)) >= 0); ATF_REQUIRE((shmfd = shm_open(SHM_ANON, O_RDWR, 0644)) >= 0); ATF_REQUIRE(ftruncate(shmfd, getpagesize()) == 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"); /* 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"); /* 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"); } ATF_TC_WITHOUT_HEAD(mmap__dev_zero_private); ATF_TC_BODY(mmap__dev_zero_private, tc) { char *p1, *p2, *p3; - size_t i; - int fd; + int fd, i; ATF_REQUIRE((fd = open("/dev/zero", O_RDONLY)) >= 0); p1 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); ATF_REQUIRE(p1 != MAP_FAILED); p2 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); ATF_REQUIRE(p2 != MAP_FAILED); for (i = 0; i < getpagesize(); i++) - ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%zu] is %x", i, p1[i]); + ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%d] is %x", i, p1[i]); ATF_REQUIRE(memcmp(p1, p2, getpagesize()) == 0); p1[0] = 1; ATF_REQUIRE(p2[0] == 0); p2[0] = 2; ATF_REQUIRE(p1[0] == 1); p3 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); ATF_REQUIRE(p3 != MAP_FAILED); ATF_REQUIRE(p3[0] == 0); } ATF_TC_WITHOUT_HEAD(mmap__dev_zero_shared); ATF_TC_BODY(mmap__dev_zero_shared, tc) { char *p1, *p2, *p3; - size_t i; - int fd; + int fd, i; ATF_REQUIRE((fd = open("/dev/zero", O_RDWR)) >= 0); p1 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); ATF_REQUIRE(p1 != MAP_FAILED); p2 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); ATF_REQUIRE(p2 != MAP_FAILED); for (i = 0; i < getpagesize(); i++) - ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%zu] is %x", i, p1[i]); + ATF_REQUIRE_EQ_MSG(0, p1[i], "byte at p1[%d] is %x", i, p1[i]); ATF_REQUIRE(memcmp(p1, p2, getpagesize()) == 0); p1[0] = 1; ATF_REQUIRE(p2[0] == 0); p2[0] = 2; ATF_REQUIRE(p1[0] == 1); p3 = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); ATF_REQUIRE(p3 != MAP_FAILED); ATF_REQUIRE(p3[0] == 0); } 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()); }