lkml.org 
[lkml]   [2017]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] scsi: sg: only check for dxfer_len greater than 256M
From
Date
On 07/27/2017 09:11 AM, Johannes Thumshirn wrote:
> Don't make any assumptions on the sg_io_hdr_t::dxfer_direction or the
> sg_io_hdr_t::dxferp in order to determine if it is a valid request. The
> only way we can check for bad requests is by checking if the length exceeds
> 256M.
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> Fixes: 28676d869bbb (scsi: sg: check for valid direction before starting the
> request)
> Reported-by: Jason L Tibbitts III <tibbs@math.uh.edu>
> Tested-by: Jason L Tibbitts III <tibbs@math.uh.edu>
> Suggested-by: Doug Gilbert <dgilbert@interlog.com>
> Cc: Doug Gilbert <dgilbert@interlog.com>
> Cc: <stable@vger.kernel.org>
> ---
> drivers/scsi/sg.c | 31 +------------------------------
> 1 file changed, 1 insertion(+), 30 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

\
 
 \ /
  Last update: 2017-07-27 10:43    [W:0.035 / U:25.412 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site