1 files changed, 80 insertions, 0 deletions

diff --git a/tools/test/stress2/misc/mmap36.sh b/tools/test/stress2/misc/mmap36.sh
new file mode 100755
index 000000000000..2c38fd26890b
--- /dev/null
+++ b/tools/test/stress2/misc/mmap36.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2019 Dell EMC Isilon
+#
+# 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.
+#
+
+# mmap(2) should fail with "Invalid argument" and not core dump
+# Fixed by
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/mmap36.c
+mycc -o mmap36 -Wall -Wextra -O0 -g mmap36.c || exit 1
+
+echo "Expect: mmap36: mmap: Cannot allocate memory"
+$dir/mmap36
+s=$?
+[ -f mmap36.core ] &&
+    { ls -l mmap36.core; mv mmap36.core $dir; s=1; }
+cd $odir
+[ $s -eq 0 ] && rm -f mmap36.c mmap36
+exit $s
+
+EOF
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+	off_t offset;
+	char *c;
+
+	offset = SIZE_MAX - 5;
+
+	c = mmap(NULL, offset, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON,
+	    -1, 0);
+	if (c == MAP_FAILED)
+		warn("mmap");
+	else
+		c[offset / 2] = 1;
+
+	return (0);
+}