On 10/2/20 8:22 AM, Peilin Ye wrote: > scsi_put_cdrom_generic_arg() is copying uninitialized stack memory to > userspace, since the compiler may leave a 3-byte hole in the middle of > `cgc32`. Fix it by adding a padding field to `struct > compat_cdrom_generic_command`. Applied, thanks. -- Jens Axboe