On Wed, 2017-11-08 at 21:21 +0800, Ming Lei wrote:
> cmd->cmnd can be allocated/freed dynamically in case of
> T10_PI_TYPE2_PROTECTION,
> so we should check it in scsi_show_rq() because this request may have
> been freed in scsi_show_rq().
>
> This patch fixs the following kernel crash when
cmd->cmnd can be allocated/freed dynamically in case of T10_PI_TYPE2_PROTECTION,
so we should check it in scsi_show_rq() because this request may have
been freed in scsi_show_rq().
This patch fixs the following kernel crash when dumping request via block's
debugfs interface:
[ 252.962045] BUG:
