diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 9d0b286f3dba..da20f90d40bb 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -76,6 +76,50 @@
  *	changes on the process such as clearing out non-inheritable signal
  *	state.  This is called immediately after commit_creds().
  *
+ * Security hooks for mount using fd context.
+ *
+ * @fs_context_alloc:
+ *	Allocate and attach a security structure to sc->security.  This pointer
+ *	is initialised to NULL by the caller.
+ *	@fc indicates the new filesystem context.
+ *	@src_sb indicates the source superblock of a submount.
+ * @fs_context_dup:
+ *	Allocate and attach a security structure to sc->security.  This pointer
+ *	is initialised to NULL by the caller.
+ *	@fc indicates the new filesystem context.
+ *	@src_fc indicates the original filesystem context.
+ * @fs_context_free:
+ *	Clean up a filesystem context.
+ *	@fc indicates the filesystem context.
+ * @fs_context_parse_option:
+ *	Userspace provided an option to configure a superblock.  The LSM may
+ *	reject it with an error and may use it for itself, in which case it
+ *	should return 1; otherwise it should return 0 to pass it on to the
+ *	filesystem.
+ *	@fc indicates the filesystem context.
+ *	@opt indicates the option in "key[=val]" form.  It is NUL-terminated,
+ *	but val may be binary data.
+ *	@len indicates the size of the option.
+ * @fs_context_validate:
+ *	Validate the filesystem context preparatory to applying it.  This is
+ *	done after all the options have been parsed.
+ *	@fc indicates the filesystem context.
+ * @sb_get_tree:
+ *	Assign the security to a newly created superblock.
+ *	@fc indicates the filesystem context.
+ *	@fc->root indicates the root that will be mounted.
+ *	@fc->root->d_sb points to the superblock.
+ * @sb_reconfigure:
+ *	Apply reconfiguration to the security on a superblock.
+ *	@fc indicates the filesystem context.
+ *	@fc->root indicates a dentry in the mount.
+ *	@fc->root->d_sb points to the superblock.
+ * @sb_mountpoint:
+ *	Equivalent of sb_mount, but with an fs_context.
+ *	@fc indicates the filesystem context.
+ *	@mountpoint indicates the path on which the mount will take place.
+ *	@mnt_flags indicates the MNT_* flags specified.
+ *
  * Security hooks for filesystem operations.
  *
  * @sb_alloc_security:
@@ -1450,6 +1494,16 @@ union security_list_options {
 	void (*bprm_committing_creds)(struct linux_binprm *bprm);
 	void (*bprm_committed_creds)(struct linux_binprm *bprm);
 
+	int (*fs_context_alloc)(struct fs_context *fc, struct super_block *src_sb);
+	int (*fs_context_dup)(struct fs_context *fc, struct fs_context *src_sc);
+	void (*fs_context_free)(struct fs_context *fc);
+	int (*fs_context_parse_option)(struct fs_context *fc, char *opt, size_t len);
+	int (*fs_context_validate)(struct fs_context *fc);
+	int (*sb_get_tree)(struct fs_context *fc);
+	void (*sb_reconfigure)(struct fs_context *fc);
+	int (*sb_mountpoint)(struct fs_context *fc, struct path *mountpoint,
+			     unsigned int mnt_flags);
+
 	int (*sb_alloc_security)(struct super_block *sb);
 	void (*sb_free_security)(struct super_block *sb);
 	int (*sb_copy_data)(char *orig, char *copy);
@@ -1787,6 +1841,14 @@ struct security_hook_heads {
 	struct hlist_head bprm_check_security;
 	struct hlist_head bprm_committing_creds;
 	struct hlist_head bprm_committed_creds;
+	struct hlist_head fs_context_alloc;
+	struct hlist_head fs_context_dup;
+	struct hlist_head fs_context_free;
+	struct hlist_head fs_context_parse_option;
+	struct hlist_head fs_context_validate;
+	struct hlist_head sb_get_tree;
+	struct hlist_head sb_reconfigure;
+	struct hlist_head sb_mountpoint;
 	struct hlist_head sb_alloc_security;
 	struct hlist_head sb_free_security;
 	struct hlist_head sb_copy_data;
diff --git a/include/linux/security.h b/include/linux/security.h
index 200920f521a1..60a85bd9dfef 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -53,6 +53,7 @@ struct msg_msg;
 struct xattr;
 struct xfrm_sec_ctx;
 struct mm_struct;
+struct fs_context;
 
 /* If capable should audit the security request */
 #define SECURITY_CAP_NOAUDIT 0
@@ -231,6 +232,15 @@ int security_bprm_set_creds(struct linux_binprm *bprm);
 int security_bprm_check(struct linux_binprm *bprm);
 void security_bprm_committing_creds(struct linux_binprm *bprm);
 void security_bprm_committed_creds(struct linux_binprm *bprm);
+int security_fs_context_alloc(struct fs_context *fc, struct super_block *sb);
+int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
+void security_fs_context_free(struct fs_context *fc);
+int security_fs_context_parse_option(struct fs_context *fc, char *opt, size_t len);
+int security_fs_context_validate(struct fs_context *fc);
+int security_sb_get_tree(struct fs_context *fc);
+void security_sb_reconfigure(struct fs_context *fc);
+int security_sb_mountpoint(struct fs_context *fc, struct path *mountpoint,
+			   unsigned int mnt_flags);
 int security_sb_alloc(struct super_block *sb);
 void security_sb_free(struct super_block *sb);
 int security_sb_copy_data(char *orig, char *copy);
@@ -539,6 +549,40 @@ static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
 {
 }
 
+static inline int security_fs_context_alloc(struct fs_context *fc,
+					    struct super_block *src_sb)
+{
+	return 0;
+}
+static inline int security_fs_context_dup(struct fs_context *fc,
+					  struct fs_context *src_fc)
+{
+	return 0;
+}
+static inline void security_fs_context_free(struct fs_context *fc)
+{
+}
+static inline int security_fs_context_parse_option(struct fs_context *fc, char *opt, size_t len)
+{
+	return 0;
+}
+static inline int security_fs_context_validate(struct fs_context *fc)
+{
+	return 0;
+}
+static inline int security_sb_get_tree(struct fs_context *fc)
+{
+	return 0;
+}
+static inline void security_sb_reconfigure(struct fs_context *fc)
+{
+}
+static inline int security_sb_mountpoint(struct fs_context *fc, struct path *mountpoint,
+					 unsigned int mnt_flags)
+{
+	return 0;
+}
+
 static inline int security_sb_alloc(struct super_block *sb)
 {
 	return 0;
diff --git a/security/security.c b/security/security.c
index 7bc2fde023a7..42e4ea19b61c 100644
--- a/security/security.c
+++ b/security/security.c
@@ -358,6 +358,47 @@ void security_bprm_committed_creds(struct linux_binprm *bprm)
 	call_void_hook(bprm_committed_creds, bprm);
 }
 
+int security_fs_context_alloc(struct fs_context *fc, struct super_block *src_sb)
+{
+	return call_int_hook(fs_context_alloc, 0, fc, src_sb);
+}
+
+int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc)
+{
+	return call_int_hook(fs_context_dup, 0, fc, src_fc);
+}
+
+void security_fs_context_free(struct fs_context *fc)
+{
+	call_void_hook(fs_context_free, fc);
+}
+
+int security_fs_context_parse_option(struct fs_context *fc, char *opt, size_t len)
+{
+	return call_int_hook(fs_context_parse_option, 0, fc, opt, len);
+}
+
+int security_fs_context_validate(struct fs_context *fc)
+{
+	return call_int_hook(fs_context_validate, 0, fc);
+}
+
+int security_sb_get_tree(struct fs_context *fc)
+{
+	return call_int_hook(sb_get_tree, 0, fc);
+}
+
+void security_sb_reconfigure(struct fs_context *fc)
+{
+	call_void_hook(sb_reconfigure, fc);
+}
+
+int security_sb_mountpoint(struct fs_context *fc, struct path *mountpoint,
+			   unsigned int mnt_flags)
+{
+	return call_int_hook(sb_mountpoint, 0, fc, mountpoint, mnt_flags);
+}
+
 int security_sb_alloc(struct super_block *sb)
 {
 	return call_int_hook(sb_alloc_security, 0, sb);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 1f0316bf7e29..969a2a0dc582 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -48,6 +48,7 @@
 #include <linux/fdtable.h>
 #include <linux/namei.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_ipv6.h>
 #include <linux/tty.h>
@@ -2960,6 +2961,259 @@ static int selinux_umount(struct vfsmount *mnt, int flags)
 				   FILESYSTEM__UNMOUNT, NULL);
 }
 
+/* fsopen mount context operations */
+
+static int selinux_fs_context_alloc(struct fs_context *fc,
+				    struct super_block *src_sb)
+{
+	struct security_mnt_opts *opts;
+
+	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
+	if (!opts)
+		return -ENOMEM;
+
+	fc->security = opts;
+	return 0;
+}
+
+static int selinux_fs_context_dup(struct fs_context *fc,
+				  struct fs_context *src_fc)
+{
+	const struct security_mnt_opts *src = src_fc->security;
+	struct security_mnt_opts *opts;
+	int i, n;
+
+	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
+	if (!opts)
+		return -ENOMEM;
+	fc->security = opts;
+
+	if (!src || !src->num_mnt_opts)
+		return 0;
+	n = opts->num_mnt_opts = src->num_mnt_opts;
+
+	if (src->mnt_opts) {
+		opts->mnt_opts = kcalloc(n, sizeof(char *), GFP_KERNEL);
+		if (!opts->mnt_opts)
+			return -ENOMEM;
+
+		for (i = 0; i < n; i++) {
+			if (src->mnt_opts[i]) {
+				opts->mnt_opts[i] = kstrdup(src->mnt_opts[i],
+							    GFP_KERNEL);
+				if (!opts->mnt_opts[i])
+					return -ENOMEM;
+			}
+		}
+	}
+
+	if (src->mnt_opts_flags) {
+		opts->mnt_opts_flags = kmemdup(src->mnt_opts_flags,
+					       n * sizeof(int), GFP_KERNEL);
+		if (!opts->mnt_opts_flags)
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void selinux_fs_context_free(struct fs_context *fc)
+{
+	struct security_mnt_opts *opts = fc->security;
+
+	security_free_mnt_opts(opts);
+	fc->security = NULL;
+}
+
+static int selinux_fs_context_parse_option(struct fs_context *fc, char *opt, size_t len)
+{
+	struct security_mnt_opts *opts = fc->security;
+	substring_t args[MAX_OPT_ARGS];
+	unsigned int have;
+	char *c, **oo;
+	int token, ctx, i, *of;
+
+	token = match_token(opt, tokens, args);
+	if (token == Opt_error)
+		return 0; /* Doesn't belong to us. */
+
+	have = 0;
+	for (i = 0; i < opts->num_mnt_opts; i++)
+		have |= 1 << opts->mnt_opts_flags[i];
+	if (have & (1 << token))
+		return -EINVAL;
+
+	switch (token) {
+	case Opt_context:
+		if (have & (1 << Opt_defcontext))
+			goto incompatible;
+		ctx = CONTEXT_MNT;
+		goto copy_context_string;
+
+	case Opt_fscontext:
+		ctx = FSCONTEXT_MNT;
+		goto copy_context_string;
+
+	case Opt_rootcontext:
+		ctx = ROOTCONTEXT_MNT;
+		goto copy_context_string;
+
+	case Opt_defcontext:
+		if (have & (1 << Opt_context))
+			goto incompatible;
+		ctx = DEFCONTEXT_MNT;
+		goto copy_context_string;
+
+	case Opt_labelsupport:
+		return 1;
+
+	default:
+		return -EINVAL;
+	}
+
+copy_context_string:
+	if (opts->num_mnt_opts > 3)
+		return -EINVAL;
+
+	of = krealloc(opts->mnt_opts_flags,
+		      (opts->num_mnt_opts + 1) * sizeof(int), GFP_KERNEL);
+	if (!of)
+		return -ENOMEM;
+	of[opts->num_mnt_opts] = 0;
+	opts->mnt_opts_flags = of;
+
+	oo = krealloc(opts->mnt_opts,
+		      (opts->num_mnt_opts + 1) * sizeof(char *), GFP_KERNEL);
+	if (!oo)
+		return -ENOMEM;
+	oo[opts->num_mnt_opts] = NULL;
+	opts->mnt_opts = oo;
+
+	c = match_strdup(&args[0]);
+	if (!c)
+		return -ENOMEM;
+	opts->mnt_opts[opts->num_mnt_opts] = c;
+	opts->mnt_opts_flags[opts->num_mnt_opts] = ctx;
+	opts->num_mnt_opts++;
+	return 1;
+
+incompatible:
+	return -EINVAL;
+}
+
+/*
+ * Validate the security parameters supplied for a reconfiguration/remount
+ * event.
+ */
+static int selinux_validate_for_sb_reconfigure(struct fs_context *fc)
+{
+	struct super_block *sb = fc->root->d_sb;
+	struct superblock_security_struct *sbsec = sb->s_security;
+	struct security_mnt_opts *opts = fc->security;
+	int rc, i, *flags;
+	char **mount_options;
+
+	if (!(sbsec->flags & SE_SBINITIALIZED))
+		return 0;
+
+	mount_options = opts->mnt_opts;
+	flags = opts->mnt_opts_flags;
+
+	for (i = 0; i < opts->num_mnt_opts; i++) {
+		u32 sid;
+
+		if (flags[i] == SBLABEL_MNT)
+			continue;
+
+		rc = security_context_str_to_sid(&selinux_state, mount_options[i],
+						 &sid, GFP_KERNEL);
+		if (rc) {
+			pr_warn("SELinux: security_context_str_to_sid"
+				"(%s) failed for (dev %s, type %s) errno=%d\n",
+				mount_options[i], sb->s_id, sb->s_type->name, rc);
+			goto inval;
+		}
+
+		switch (flags[i]) {
+		case FSCONTEXT_MNT:
+			if (bad_option(sbsec, FSCONTEXT_MNT, sbsec->sid, sid))
+				goto bad_option;
+			break;
+		case CONTEXT_MNT:
+			if (bad_option(sbsec, CONTEXT_MNT, sbsec->mntpoint_sid, sid))
+				goto bad_option;
+			break;
+		case ROOTCONTEXT_MNT: {
+			struct inode_security_struct *root_isec;
+			root_isec = backing_inode_security(sb->s_root);
+
+			if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid, sid))
+				goto bad_option;
+			break;
+		}
+		case DEFCONTEXT_MNT:
+			if (bad_option(sbsec, DEFCONTEXT_MNT, sbsec->def_sid, sid))
+				goto bad_option;
+			break;
+		default:
+			goto inval;
+		}
+	}
+
+	rc = 0;
+out:
+	return rc;
+
+bad_option:
+	pr_warn("SELinux: unable to change security options "
+		"during remount (dev %s, type=%s)\n",
+		sb->s_id, sb->s_type->name);
+inval:
+	rc = -EINVAL;
+	goto out;
+}
+
+/*
+ * Validate the security context assembled from the option data supplied to
+ * mount.
+ */
+static int selinux_fs_context_validate(struct fs_context *fc)
+{
+	if (fc->purpose == FS_CONTEXT_FOR_RECONFIGURE)
+		return selinux_validate_for_sb_reconfigure(fc);
+	return 0;
+}
+
+/*
+ * Set the security context on a superblock.
+ */
+static int selinux_sb_get_tree(struct fs_context *fc)
+{
+	const struct cred *cred = current_cred();
+	struct common_audit_data ad;
+	int rc;
+
+	rc = selinux_set_mnt_opts(fc->root->d_sb, fc->security, 0, NULL);
+	if (rc)
+		return rc;
+
+	/* Allow all mounts performed by the kernel */
+	if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT)
+		return 0;
+
+	ad.type = LSM_AUDIT_DATA_DENTRY;
+	ad.u.dentry = fc->root;
+	return superblock_has_perm(cred, fc->root->d_sb, FILESYSTEM__MOUNT, &ad);
+}
+
+static int selinux_sb_mountpoint(struct fs_context *fc, struct path *mountpoint,
+				 unsigned int mnt_flags)
+{
+	const struct cred *cred = current_cred();
+
+	return path_has_perm(cred, mountpoint, FILE__MOUNTON);
+}
+
 /* inode security operations */
 
 static int selinux_inode_alloc_security(struct inode *inode)
@@ -6871,6 +7125,14 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
 	LSM_HOOK_INIT(bprm_committing_creds, selinux_bprm_committing_creds),
 	LSM_HOOK_INIT(bprm_committed_creds, selinux_bprm_committed_creds),
 
+	LSM_HOOK_INIT(fs_context_alloc, selinux_fs_context_alloc),
+	LSM_HOOK_INIT(fs_context_dup, selinux_fs_context_dup),
+	LSM_HOOK_INIT(fs_context_free, selinux_fs_context_free),
+	LSM_HOOK_INIT(fs_context_parse_option, selinux_fs_context_parse_option),
+	LSM_HOOK_INIT(fs_context_validate, selinux_fs_context_validate),
+	LSM_HOOK_INIT(sb_get_tree, selinux_sb_get_tree),
+	LSM_HOOK_INIT(sb_mountpoint, selinux_sb_mountpoint),
+
 	LSM_HOOK_INIT(sb_alloc_security, selinux_sb_alloc_security),
 	LSM_HOOK_INIT(sb_free_security, selinux_sb_free_security),
 	LSM_HOOK_INIT(sb_copy_data, selinux_sb_copy_data),
