1 files changed, 104 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/socketpair.sh b/tools/test/stress2/misc/socketpair.sh
new file mode 100755
index 000000000000..dae52b3ed35a
--- /dev/null
+++ b/tools/test/stress2/misc/socketpair.sh
@@ -0,0 +1,104 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org>
+# 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.
+#
+
+# Page fault due to recursion. Fixed in r216150.
+
+# Looping in kernel: http://people.freebsd.org/~pho/stress/log/kostik737.txt
+# Fixed in r274712
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > socketpair.c
+mycc -o socketpair -Wall -Wextra -O2 socketpair.c
+rm -f socketpair.c
+[ -d $RUNDIR ] || mkdir -p $RUNDIR
+cd $RUNDIR
+
+ulimit -b 10485760
+/tmp/socketpair
+
+cd $here
+rm -f /tmp/socketpair
+exit 0
+EOF
+/* From http://lkml.org/lkml/2010/11/25/8 */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+static int
+send_fd(int unix_fd, int fd)
+{
+	struct msghdr msgh;
+	struct cmsghdr *cmsg;
+	char buf[CMSG_SPACE(sizeof(fd))];
+	memset(&msgh, 0, sizeof(msgh));
+	memset(buf, 0, sizeof(buf));
+
+	msgh.msg_control = buf;
+	msgh.msg_controllen = sizeof(buf);
+
+	cmsg = CMSG_FIRSTHDR(&msgh);
+	cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
+	cmsg->cmsg_level = SOL_SOCKET;
+	cmsg->cmsg_type = SCM_RIGHTS;
+
+	msgh.msg_controllen = cmsg->cmsg_len;
+
+	memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd));
+	return sendmsg(unix_fd, &msgh, 0);
+}
+
+int
+main()
+{
+	int fd[2], ff[2];
+
+	if (socketpair(PF_UNIX, SOCK_SEQPACKET, 0, fd) == -1)
+		return 1;
+	for (;;) {
+		if (socketpair(PF_UNIX, SOCK_SEQPACKET, 0, ff) == -1)
+			return 2;
+		send_fd(ff[0], fd[0]);
+		send_fd(ff[0], fd[1]);
+		close(fd[1]);
+		close(fd[0]);
+		fd[0] = ff[0];
+		fd[1] = ff[1];
+	}
+}