The internal tag string doesn't contain a newline. Append one when
emitting the tag via sysfs.
[Stefan] Orthogonal to the newline issue, sysfs_emit(buf, "%s", fs->tag) is
needed to prevent format string injection.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Fixes: a8f62f50b4e4 ("virtiofs: export filesystem tags through sysfs")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
{
struct virtio_fs *fs = container_of(kobj, struct virtio_fs, kobj);
- return sysfs_emit(buf, fs->tag);
+ return sysfs_emit(buf, "%s\n", fs->tag);
}
static struct kobj_attribute virtio_fs_tag_attr = __ATTR_RO(tag);