This commit was manufactured by cvs2git to create tag 'tb_20250802'.tb_20250802

1 files changed, 0 insertions, 590 deletions

diff --git a/src/regress/lib/libc/sys/t_mmap.c b/src/regress/lib/libc/sys/t_mmap.c
deleted file mode 100644
index 59c74296e3..0000000000
--- a/src/regress/lib/libc/sys/t_mmap.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*      $OpenBSD: t_mmap.c,v 1.4 2021/12/13 16:56:48 deraadt Exp $      */
-/* $NetBSD: t_mmap.c,v 1.14 2020/06/26 07:50:11 jruoho 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 "macros.h"
-
-#include <sys/disklabel.h>
-#include <sys/mman.h>
-#include <sys/stat.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 <limits.h>
-#include <string.h>
-#include <unistd.h>
-#include <paths.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;
-
-#ifndef __OpenBSD__
-        /* works for us */
-        atf_tc_skip("The test case causes a panic " \
-            "(PR kern/38889, PR kern/46592)");
-#endif
-
-        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);
-#ifdef __OpenBSD__
-        /* devices separated by comma, disk uid by colon */
-        for (dk = strtok(drives, ",:"); dk != NULL; dk = strtok(NULL, ",:")) {
-#else
-        for (dk = strtok(drives, " "); dk != NULL; dk = strtok(NULL, " ")) {
-#endif
-                if (strncmp(dk, "dk", 2) == 0)
-                        snprintf(dev, sizeof(dev), _PATH_DEV "%s", dk);
-                else
-                        snprintf(dev, sizeof(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;
-                } else
-                        (void)fprintf(stderr, "%s: %s\n", dev, strerror(errno));
-        }
-        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_MSG(map != MAP_FAILED, "mmap: %s", strerror(errno));
-
-        (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);
-
-        (void)munmap(map, page);
-        ATF_REQUIRE(close(fd) == 0);
-}
-
-ATF_TC_CLEANUP(mmap_truncate, tc)
-{
-        (void)unlink(path);
-}
-
-ATF_TC_WITH_CLEANUP(mmap_truncate_signal);
-ATF_TC_HEAD(mmap_truncate_signal, tc)
-{
-        atf_tc_set_md_var(tc, "descr",
-            "Test mmap(2) ftruncate(2) causing signal");
-}
-
-ATF_TC_BODY(mmap_truncate_signal, tc)
-{
-        char *map;
-        long i;
-        int fd, sta;
-        pid_t pid;
-
-        fd = open(path, O_RDWR | O_CREAT, 0700);
-
-        if (fd < 0)
-                return;
-
-        ATF_REQUIRE(write(fd, "foo\n", 5) == 5);
-
-        map = mmap(NULL, page, PROT_READ, MAP_FILE|MAP_PRIVATE, fd, 0);
-        ATF_REQUIRE(map != MAP_FAILED);
-
-        sta = 0;
-        for (i = 0; i < 5; i++)
-                sta += map[i];
-        ATF_REQUIRE(sta == 334);
-
-        ATF_REQUIRE(ftruncate(fd, 0) == 0);
-        pid = fork();
-        ATF_REQUIRE(pid >= 0);
-
-        if (pid == 0) {
-                ATF_REQUIRE(signal(SIGBUS, map_sighandler) != SIG_ERR);
-                ATF_REQUIRE(signal(SIGSEGV, map_sighandler) != SIG_ERR);
-                sta = 0;
-                for (i = 0; i < page; i++)
-                        sta += map[i];
-                /* child never will get this far, but the compiler will
-                   not know, so better use the values calculated to
-                   prevent the access to be optimized out */
-                ATF_REQUIRE(i == 0);
-                ATF_REQUIRE(sta == 0);
-                (void)munmap(map, page);
-                (void)close(fd);
-                return;
-        }
-
-        (void)wait(&sta);
-
-        ATF_REQUIRE(WIFEXITED(sta) != 0);
-        if (WEXITSTATUS(sta) == SIGSEGV)
-                atf_tc_fail("child process got SIGSEGV instead of SIGBUS");
-        ATF_REQUIRE(WEXITSTATUS(sta) == SIGBUS);
-        ATF_REQUIRE(munmap(map, page) == 0);
-        ATF_REQUIRE(close(fd) == 0);
-}
-
-ATF_TC_CLEANUP(mmap_truncate_signal, 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_truncate_signal);
-#ifndef __OpenBSD__
-        /* sysctl vm.user_va0_disable not available */
-        ATF_TP_ADD_TC(tp, mmap_va0);
-#endif
-
-        return atf_no_error();
-}