diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 6ef7b26724ec6cd964400c1074db9ed5f95289f1..6b4d0cca5c7f03d7a747ec6352ce2838e009a3f9 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -160,6 +160,9 @@ static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name, int ret; struct posix_acl *acl = NULL; + if (!is_owner_or_cap(dentry->d_inode)) + return -EPERM; + if (value) { acl = posix_acl_from_xattr(value, size); if (acl == NULL) {