On Fri, Oct 26, 2018 at 04:10:48PM -0400, Olga Kornievskaia wrote:
> +++ b/fs/read_write.c
> @@ -1594,6 +1594,9 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,
> }
> }
>
> + if (pos_in >= i_size_read(inode_in))
> + return -EINVAL;
> +
> if (file_out->f_op->copy_file_range) {
> ret = file_out->f_op->copy_file_range(file_in, pos_in, file_out,
> pos_out, len, flags);
Is this the right place to check this? Surely we should be checking for
this before calling clone_file_range()?
