1 files changed, 6 insertions, 0 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 829999dafd93..8d4457f329f5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1574,6 +1574,12 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
                         btrfs_info(BTRFS_I(src_inode)->root->fs_info,
                                    "Snapshot src from another FS");
                         ret = -EINVAL;
+                } else if (!inode_owner_or_capable(src_inode)) {
+                        /*
+                         * Subvolume creation is not restricted, but snapshots
+                         * are limited to own subvolumes only
+                         */
+                        ret = -EPERM;
                 } else {
                         ret = btrfs_mksubvol(&file->f_path, name, namelen,
                                              BTRFS_I(src_inode)->root,