diff --git a/.gitignore b/.gitignore
index f27c30af..840e4fe4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -115,6 +115,7 @@
 /src/t_dir_offset2
 /src/t_dir_type
 /src/t_encrypted_d_revalidate
+/src/t_ext4_dax_journal_corruption
 /src/t_futimens
 /src/t_getcwd
 /src/t_holes
diff --git a/src/Makefile b/src/Makefile
index b1012172..86c5440c 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -13,7 +13,8 @@ TARGETS = dirstress fill fill2 getpagesize holes lstat64 \
 	multi_open_unlink dmiperf unwritten_sync genhashnames t_holes \
 	t_mmap_writev t_truncate_cmtime dirhash_collide t_rename_overwrite \
 	holetest t_truncate_self t_mmap_dio af_unix t_mmap_stale_pmd \
-	t_mmap_cow_race t_mmap_fallocate fsync-err t_mmap_write_ro
+	t_mmap_cow_race t_mmap_fallocate fsync-err t_mmap_write_ro \
+	t_ext4_dax_journal_corruption
 
 LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \
 	preallo_rw_pattern_writer ftrunc trunc fs_perms testx looptest \
diff --git a/src/t_ext4_dax_journal_corruption.c b/src/t_ext4_dax_journal_corruption.c
new file mode 100644
index 00000000..18a2acdc
--- /dev/null
+++ b/src/t_ext4_dax_journal_corruption.c
@@ -0,0 +1,102 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#define PAGE(a) ((a)*0x1000)
+#define STRLEN 256
+
+void err_exit(char *op)
+{
+	fprintf(stderr, "%s: %s\n", op, strerror(errno));
+	exit(1);
+}
+
+void chattr_cmd(char *chattr, char *cmd, char *file)
+{
+	int ret;
+	char command[STRLEN];
+
+	ret = snprintf(command, STRLEN, "%s %s %s 2>/dev/null", chattr, cmd, file);
+	if (ret < 0)
+		err_exit("snprintf");
+
+	ret = system(command);
+	if (ret) /* Success - the kernel fix is to have this chattr fail */
+		exit(77);
+}
+
+int main(int argc, char *argv[])
+{
+	int fd, err, len = PAGE(1);
+	char *data, *dax_data, *chattr, *file;
+	char string[STRLEN];
+
+	if (argc < 3) {
+		printf("Usage: %s <chattr program> <file>\n", basename(argv[0]));
+		exit(0);
+	}
+
+	chattr = argv[1];
+	file = argv[2];
+
+	srand(time(NULL));
+	snprintf(string, STRLEN, "random number %d\n", rand());
+
+	fd = open(file, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR);
+	if (fd < 0)
+		err_exit("fd");
+
+	/* begin with journaling off and DAX on */
+	chattr_cmd(chattr, "-j", file);
+
+	ftruncate(fd, 0);
+	fallocate(fd, 0, 0, len);
+
+	dax_data = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0);
+	if (!dax_data)
+		err_exit("mmap dax_data");
+
+	/*
+	 * This turns on journaling.  It also has the side-effect that it
+	 * turns off DAX for the given inode since journaling and DAX aren't
+	 * allowed to be on at the same time.  This happens in
+	 * ext4_change_inode_journal_flag() in kernel v4.14 and before.
+	 *
+	 * Note that this turns off the runtime DAX flag (S_DAX) in the
+	 * in-memory inode, and has nothing to do with per-inode on-media DAX
+	 * inode flags.
+	 */
+	chattr_cmd(chattr, "+j", file);
+
+	data = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+	if (!data)
+		err_exit("mmap data");
+
+	/*
+	 * Write the data using the non-DAX mapping, and try and read it back
+	 * using the DAX mapping.
+	 */
+	strcpy(data, string);
+	if (strcmp(dax_data, string) != 0)
+		printf("Data miscompare\n");
+
+	err = munmap(data, len);
+	if (err < 0)
+		err_exit("munmap data");
+
+	err = munmap(dax_data, len);
+	if (err < 0)
+		err_exit("munmap dax_data");
+
+	err = close(fd);
+	if (err < 0)
+		err_exit("close");
+	return 0;
+}
diff --git a/tests/ext4/030 b/tests/ext4/030
new file mode 100755
index 00000000..85da7557
--- /dev/null
+++ b/tests/ext4/030
@@ -0,0 +1,74 @@
+#! /bin/bash
+# FS QA Test ext4/030
+#
+# This is a regression test for kernel patch:
+#   ext4: prevent data corruption with journaling + DAX
+# created by Ross Zwisler <ross.zwisler@linux.intel.com>
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2017-2018 Intel Corporation.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+	cd /
+	rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# Modify as appropriate.
+_supported_os Linux
+_supported_fs ext4
+_require_scratch_dax
+_require_test_program "t_ext4_dax_journal_corruption"
+_require_command "$CHATTR_PROG" chattr
+
+# real QA test starts here
+_scratch_mkfs > $seqres.full 2>&1
+
+# In order to get our failure condition consistently we need to turn off
+# delayed allocation.  With delayed allocation on this simple test will pass,
+# but we would almost certainly see data corruption down the road as the
+# contents of the journal would conflict with the DAX data.
+_scratch_mount "-o dax,nodelalloc" >> $seqres.full 2>&1
+
+$here/src/t_ext4_dax_journal_corruption $CHATTR_PROG $SCRATCH_MNT/testfile
+
+if [[ $? != 0 && $? != 77 ]]; then
+	echo "Test failed, status $?"
+	exit 1
+fi
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/ext4/030.out b/tests/ext4/030.out
new file mode 100644
index 00000000..06a1c8fe
--- /dev/null
+++ b/tests/ext4/030.out
@@ -0,0 +1,2 @@
+QA output created by 030
+Silence is golden
diff --git a/tests/ext4/group b/tests/ext4/group
index 257bb646..ef768dff 100644
--- a/tests/ext4/group
+++ b/tests/ext4/group
@@ -32,6 +32,7 @@
 027 auto quick fsmap
 028 auto quick fsmap
 029 auto quick fsmap
+030 auto quick
 271 auto rw quick
 301 aio auto ioctl rw stress defrag
 302 aio auto ioctl rw stress defrag
