diff --git a/configure b/configure
index d3c8138d..c9ab2f29 100755
--- a/configure
+++ b/configure
@@ -4887,7 +4887,7 @@ ac_config_headers="$ac_config_headers config.h"
 
 # POSTK_DEBUG_ARCH_DEP_37
 # AC_CONFIG_FILES arch dependfiles separate
-ac_config_files="$ac_config_files Makefile executer/user/Makefile executer/user/mcexec.1:executer/user/mcexec.1in executer/user/vmcore2mckdump executer/user/arch/$ARCH/Makefile executer/user/arch/x86_64/Makefile executer/kernel/mcctrl/Makefile executer/kernel/mcctrl/arch/$ARCH/Makefile executer/kernel/mcoverlayfs/Makefile executer/kernel/mcoverlayfs/linux-3.10.0-327.36.1.el7/Makefile executer/kernel/mcoverlayfs/linux-4.0.9/Makefile executer/kernel/mcoverlayfs/linux-4.6.7/Makefile executer/include/qlmpilib.h kernel/Makefile kernel/Makefile.build kernel/include/swapfmt.h arch/x86_64/tools/mcreboot-attached-mic.sh arch/x86_64/tools/mcshutdown-attached-mic.sh arch/x86_64/tools/mcreboot-builtin-x86.sh arch/x86_64/tools/mcreboot-smp-x86.sh arch/x86_64/tools/mcstop+release-smp-x86.sh arch/x86_64/tools/mcoverlay-destroy-smp-x86.sh arch/x86_64/tools/mcoverlay-create-smp-x86.sh arch/x86_64/tools/eclair-dump-backtrace.exp arch/x86_64/tools/mcshutdown-builtin-x86.sh arch/x86_64/tools/mcreboot.1:arch/x86_64/tools/mcreboot.1in arch/x86_64/tools/irqbalance_mck.service arch/x86_64/tools/irqbalance_mck.in tools/mcstat/mcstat.1:tools/mcstat/mcstat.1in tools/mcstat/Makefile"
+ac_config_files="$ac_config_files Makefile executer/user/Makefile executer/user/mcexec.1:executer/user/mcexec.1in executer/user/vmcore2mckdump executer/user/arch/$ARCH/Makefile executer/user/arch/x86_64/Makefile executer/kernel/mcctrl/Makefile executer/kernel/mcctrl/arch/$ARCH/Makefile executer/kernel/mcoverlayfs/Makefile executer/kernel/mcoverlayfs/linux-3.10.0-327.36.1.el7/Makefile executer/kernel/mcoverlayfs/linux-4.0.9/Makefile executer/kernel/mcoverlayfs/linux-4.6.7/Makefile executer/kernel/mcoverlayfs/linux-4.18.14/Makefile executer/include/qlmpilib.h kernel/Makefile kernel/Makefile.build kernel/include/swapfmt.h arch/x86_64/tools/mcreboot-attached-mic.sh arch/x86_64/tools/mcshutdown-attached-mic.sh arch/x86_64/tools/mcreboot-builtin-x86.sh arch/x86_64/tools/mcreboot-smp-x86.sh arch/x86_64/tools/mcstop+release-smp-x86.sh arch/x86_64/tools/mcoverlay-destroy-smp-x86.sh arch/x86_64/tools/mcoverlay-create-smp-x86.sh arch/x86_64/tools/eclair-dump-backtrace.exp arch/x86_64/tools/mcshutdown-builtin-x86.sh arch/x86_64/tools/mcreboot.1:arch/x86_64/tools/mcreboot.1in arch/x86_64/tools/irqbalance_mck.service arch/x86_64/tools/irqbalance_mck.in tools/mcstat/mcstat.1:tools/mcstat/mcstat.1in tools/mcstat/Makefile"
 
 
 if test -e "${ABS_SRCDIR}/test"; then
@@ -5613,6 +5613,7 @@ do
     "executer/kernel/mcoverlayfs/linux-3.10.0-327.36.1.el7/Makefile") CONFIG_FILES="$CONFIG_FILES executer/kernel/mcoverlayfs/linux-3.10.0-327.36.1.el7/Makefile" ;;
     "executer/kernel/mcoverlayfs/linux-4.0.9/Makefile") CONFIG_FILES="$CONFIG_FILES executer/kernel/mcoverlayfs/linux-4.0.9/Makefile" ;;
     "executer/kernel/mcoverlayfs/linux-4.6.7/Makefile") CONFIG_FILES="$CONFIG_FILES executer/kernel/mcoverlayfs/linux-4.6.7/Makefile" ;;
+    "executer/kernel/mcoverlayfs/linux-4.18.14/Makefile") CONFIG_FILES="$CONFIG_FILES executer/kernel/mcoverlayfs/linux-4.18.14/Makefile" ;;
     "executer/include/qlmpilib.h") CONFIG_FILES="$CONFIG_FILES executer/include/qlmpilib.h" ;;
     "kernel/Makefile") CONFIG_FILES="$CONFIG_FILES kernel/Makefile" ;;
     "kernel/Makefile.build") CONFIG_FILES="$CONFIG_FILES kernel/Makefile.build" ;;
diff --git a/configure.ac b/configure.ac
index 2cc1eeb1..3a2ba579 100644
--- a/configure.ac
+++ b/configure.ac
@@ -561,6 +561,7 @@ AC_CONFIG_FILES([
 	executer/kernel/mcoverlayfs/linux-3.10.0-327.36.1.el7/Makefile
 	executer/kernel/mcoverlayfs/linux-4.0.9/Makefile
 	executer/kernel/mcoverlayfs/linux-4.6.7/Makefile
+	executer/kernel/mcoverlayfs/linux-4.18.14/Makefile
 	executer/include/qlmpilib.h
 	kernel/Makefile
 	kernel/Makefile.build
diff --git a/executer/kernel/mcoverlayfs/Makefile.in b/executer/kernel/mcoverlayfs/Makefile.in
index c34094de..87bc4e86 100644
--- a/executer/kernel/mcoverlayfs/Makefile.in
+++ b/executer/kernel/mcoverlayfs/Makefile.in
@@ -18,6 +18,9 @@ endif
 ifeq ($(BUILD_MODULE),none)
 BUILD_MODULE=$(shell if [ ${LINUX_VERSION_CODE} -ge 263680 -a ${LINUX_VERSION_CODE} -lt 263936 ]; then echo "linux-4.6.7"; else echo "none"; fi)
 endif
+ifeq ($(BUILD_MODULE),none)
+BUILD_MODULE=$(shell if [ ${LINUX_VERSION_CODE} -ge 266752 ]; then echo "linux-4.18.14"; else echo "none"; fi)
+endif
 endif
 ifeq ($(BUILD_MODULE_TMP),rhel)
 ifeq ($(BUILD_MODULE),none)
@@ -33,13 +36,14 @@ endif
 
 modules:
 ifneq ($(BUILD_MODULE),none)
-	+@(cd $(BUILD_MODULE); make modules)
+	+@(cd $(BUILD_MODULE) && make modules)
 endif
 
 clean:
-	@(cd linux-3.10.0-327.36.1.el7; make clean)
-	@(cd linux-4.0.9; make clean)
-	@(cd linux-4.6.7; make clean)
+	@(cd linux-3.10.0-327.36.1.el7 && make clean)
+	@(cd linux-4.0.9 && make clean)
+	@(cd linux-4.6.7 && make clean)
+	@(cd linux-4.18.14 && make clean)
 
 install:
 ifneq ($(BUILD_MODULE),none)
diff --git a/executer/kernel/mcoverlayfs/linux-4.18.14/copy_up.c b/executer/kernel/mcoverlayfs/linux-4.18.14/copy_up.c
index ddaddb4c..0f8eff9d 100644
--- a/executer/kernel/mcoverlayfs/linux-4.18.14/copy_up.c
+++ b/executer/kernel/mcoverlayfs/linux-4.18.14/copy_up.c
@@ -100,6 +100,9 @@ retry:
 			size = vfs_getxattr(old, name, NULL, 0);
 
 		if (size < 0) {
+			/* NOFSCHECK */
+			continue;
+
 			error = size;
 			break;
 		}
diff --git a/executer/kernel/mcoverlayfs/linux-4.18.14/inode.c b/executer/kernel/mcoverlayfs/linux-4.18.14/inode.c
index ed16a898..c2579a17 100644
--- a/executer/kernel/mcoverlayfs/linux-4.18.14/inode.c
+++ b/executer/kernel/mcoverlayfs/linux-4.18.14/inode.c
@@ -22,6 +22,9 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr)
 	struct dentry *upperdentry;
 	const struct cred *old_cred;
 
+	/* NOCOPYUPW */
+	return 0;
+
 	/*
 	 * Check for permissions before trying to copy-up.  This is redundant
 	 * since it will be rechecked later by ->setattr() on upper dentry.  But
@@ -277,6 +280,9 @@ int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
 	struct dentry *realdentry = upperdentry ?: ovl_dentry_lower(dentry);
 	const struct cred *old_cred;
 
+	/* NOCOPYUPW */
+	return 0;
+
 	err = ovl_want_write(dentry);
 	if (err)
 		goto out;
@@ -405,6 +411,9 @@ int ovl_open_maybe_copy_up(struct dentry *dentry, unsigned int file_flags)
 {
 	int err = 0;
 
+	/* NOCOPYUPW */
+	return err;
+
 	if (ovl_open_need_copy_up(dentry, file_flags)) {
 		err = ovl_want_write(dentry);
 		if (!err) {
diff --git a/executer/kernel/mcoverlayfs/linux-4.18.14/super.c b/executer/kernel/mcoverlayfs/linux-4.18.14/super.c
index fa2121f8..0aef1670 100644
--- a/executer/kernel/mcoverlayfs/linux-4.18.14/super.c
+++ b/executer/kernel/mcoverlayfs/linux-4.18.14/super.c
@@ -24,6 +24,7 @@ MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
 MODULE_DESCRIPTION("Overlay filesystem");
 MODULE_LICENSE("GPL");
 
+#define MCOVERLAYFS_SUPER_MAGIC 0x4d634f56
 
 struct ovl_dir_cache;
 
@@ -315,7 +316,7 @@ static int ovl_statfs(struct dentry *dentry, struct kstatfs *buf)
 	err = vfs_statfs(&path, buf);
 	if (!err) {
 		buf->f_namelen = ofs->namelen;
-		buf->f_type = OVERLAYFS_SUPER_MAGIC;
+		buf->f_type = MCOVERLAYFS_SUPER_MAGIC;
 	}
 
 	return err;
@@ -413,6 +414,8 @@ enum {
 	OPT_XINO_ON,
 	OPT_XINO_OFF,
 	OPT_XINO_AUTO,
+	OPT_NOCOPYUPW,
+	OPT_NOFSCHECK,
 	OPT_ERR,
 };
 
@@ -429,6 +432,8 @@ static const match_table_t ovl_tokens = {
 	{OPT_XINO_ON,			"xino=on"},
 	{OPT_XINO_OFF,			"xino=off"},
 	{OPT_XINO_AUTO,			"xino=auto"},
+	{OPT_NOCOPYUPW,			"nocopyupw"},
+	{OPT_NOFSCHECK,			"nofscheck"},
 	{OPT_ERR,			NULL}
 };
 
@@ -555,6 +560,11 @@ static int ovl_parse_opt(char *opt, struct ovl_config *config)
 			config->xino = OVL_XINO_AUTO;
 			break;
 
+		case OPT_NOCOPYUPW:
+		case OPT_NOFSCHECK:
+			/* compat */
+			break;
+
 		default:
 			pr_err("overlayfs: unrecognized mount option \"%s\" or missing value\n", p);
 			return -EINVAL;
@@ -1319,7 +1329,7 @@ static struct ovl_entry *ovl_get_lowerstack(struct super_block *sb,
 
 	err = -EINVAL;
 	sb->s_stack_depth++;
-	if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) {
+	if (sb->s_stack_depth > /* NOFSCHECK */ 3) {
 		pr_err("overlayfs: maximum fs stacking depth exceeded\n");
 		goto out_err;
 	}
@@ -1453,7 +1463,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 	/* Never override disk quota limits or use reserved space */
 	cap_lower(cred->cap_effective, CAP_SYS_RESOURCE);
 
-	sb->s_magic = OVERLAYFS_SUPER_MAGIC;
+	sb->s_magic = MCOVERLAYFS_SUPER_MAGIC;
 	sb->s_op = &ovl_super_operations;
 	sb->s_xattr = ovl_xattr_handlers;
 	sb->s_fs_info = ofs;
@@ -1501,11 +1511,11 @@ static struct dentry *ovl_mount(struct file_system_type *fs_type, int flags,
 
 static struct file_system_type ovl_fs_type = {
 	.owner		= THIS_MODULE,
-	.name		= "overlay",
+	.name		= "mcoverlay",
 	.mount		= ovl_mount,
 	.kill_sb	= kill_anon_super,
 };
-MODULE_ALIAS_FS("overlay");
+MODULE_ALIAS_FS("mcoverlay");
 
 static void ovl_inode_init_once(void *foo)
 {
diff --git a/executer/kernel/mcoverlayfs/linux-4.18.14/util.c b/executer/kernel/mcoverlayfs/linux-4.18.14/util.c
index 319a7eeb..018656f9 100644
--- a/executer/kernel/mcoverlayfs/linux-4.18.14/util.c
+++ b/executer/kernel/mcoverlayfs/linux-4.18.14/util.c
@@ -115,6 +115,8 @@ bool ovl_dentry_remote(struct dentry *dentry)
 
 bool ovl_dentry_weird(struct dentry *dentry)
 {
+	/* NOFSCHECK */
+	return false;
 	return dentry->d_flags & (DCACHE_NEED_AUTOMOUNT |
 				  DCACHE_MANAGE_TRANSIT |
 				  DCACHE_OP_HASH |