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* [PATCH] fix: lpfc_send_rscn_event sends bigger buffer size
@ 2015-08-20 11:35 Ales Novak
  2015-08-26 12:53 ` Hannes Reinecke
  0 siblings, 1 reply; 2+ messages in thread
From: Ales Novak @ 2015-08-20 11:35 UTC (permalink / raw)
  To: James Smart, Dick Kennedy, James E.J. Bottomley, linux-scsi,
	linux-kernel
  Cc: Ales Novak

lpfc_send_rscn_event() allocates data for sizeof(struct
lpfc_rscn_event_header) + payload_len, but claims that the data has size
of sizeof(struct lpfc_els_event_header) + payload_len. That leads to
buffer overruns.

Signed-off-by: Ales Novak <alnovak@suse.cz>
---
 drivers/scsi/lpfc/lpfc_els.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 36bf58b..136928e 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -5444,7 +5444,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport,
 
 	fc_host_post_vendor_event(shost,
 		fc_get_event_number(),
-		sizeof(struct lpfc_els_event_header) + payload_len,
+		sizeof(struct lpfc_rscn_event_header) + payload_len,
 		(char *)rscn_event_data,
 		LPFC_NL_VENDOR_ID);
 
-- 
2.4.1.168.g1ea28e1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] fix: lpfc_send_rscn_event sends bigger buffer size
  2015-08-20 11:35 [PATCH] fix: lpfc_send_rscn_event sends bigger buffer size Ales Novak
@ 2015-08-26 12:53 ` Hannes Reinecke
  0 siblings, 0 replies; 2+ messages in thread
From: Hannes Reinecke @ 2015-08-26 12:53 UTC (permalink / raw)
  To: Ales Novak, James Smart, Dick Kennedy, James E.J. Bottomley,
	linux-scsi, linux-kernel

On 08/20/2015 01:35 PM, Ales Novak wrote:
> lpfc_send_rscn_event() allocates data for sizeof(struct
> lpfc_rscn_event_header) + payload_len, but claims that the data has size
> of sizeof(struct lpfc_els_event_header) + payload_len. That leads to
> buffer overruns.
> 
> Signed-off-by: Ales Novak <alnovak@suse.cz>
> ---
>  drivers/scsi/lpfc/lpfc_els.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
> index 36bf58b..136928e 100644
> --- a/drivers/scsi/lpfc/lpfc_els.c
> +++ b/drivers/scsi/lpfc/lpfc_els.c
> @@ -5444,7 +5444,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport,
>  
>  	fc_host_post_vendor_event(shost,
>  		fc_get_event_number(),
> -		sizeof(struct lpfc_els_event_header) + payload_len,
> +		sizeof(struct lpfc_rscn_event_header) + payload_len,
>  		(char *)rscn_event_data,
>  		LPFC_NL_VENDOR_ID);
>  
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
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)

^ permalink raw reply	[flat|nested] 2+ messages in thread

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