Message ID | 20171024174725.74870-2-kolga@netapp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/fs/read_write.c b/fs/read_write.c index f0d4b16..1bd53cb 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1563,6 +1563,9 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in, if (unlikely(ret)) return ret; + if (pos_in >= i_size_read(inode_in)) + return -EINVAL; + if (!(file_in->f_mode & FMODE_READ) || !(file_out->f_mode & FMODE_WRITE) || (file_out->f_flags & O_APPEND))