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-rw-r--r--security/selinux/hooks.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 61085eb3cd24..d9e8b2131a65 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2724,6 +2724,14 @@ static int selinux_mount(const char *dev_name,
return path_has_perm(cred, path, FILE__MOUNTON);
}
+static int selinux_move_mount(const struct path *from_path,
+ const struct path *to_path)
+{
+ const struct cred *cred = current_cred();
+
+ return path_has_perm(cred, to_path, FILE__MOUNTON);
+}
+
static int selinux_umount(struct vfsmount *mnt, int flags)
{
const struct cred *cred = current_cred();
@@ -6913,6 +6921,8 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(sb_set_mnt_opts, selinux_set_mnt_opts),
LSM_HOOK_INIT(sb_clone_mnt_opts, selinux_sb_clone_mnt_opts),
+ LSM_HOOK_INIT(move_mount, selinux_move_mount),
+
LSM_HOOK_INIT(dentry_init_security, selinux_dentry_init_security),
LSM_HOOK_INIT(dentry_create_files_as, selinux_dentry_create_files_as),