[dpdk-dev] [PATCH 1/2] net/bnxt: fix overrun of the ulp device params array

[Ferruh Yigit]

On 5/6/2020 11:14 PM, Ajit Khaparde wrote:
> 
> 
> On Wed, May 6, 2020 at 2:17 AM Ferruh Yigit <ferruh.yigit at intel.com
> <mailto:ferruh.yigit at intel.com>> wrote:
> 
>     On 5/5/2020 8:17 PM, Ajit Khaparde wrote:
>     > From: Kishore Padmanabha <kishore.padmanabha at broadcom.com
>     <mailto:kishore.padmanabha at broadcom.com>>
>     >
>     > Fix a buffer overrun issue spotted by coverity while accessing
>     > the array ulp_device_params.
> 
>     If it is spotted by coverity, is there a coverity issue id?
> 
> Yes. But in an internal scan.
> I haven't seen anything reported in this area in the latest coverity report
> against 20.05-rc1.

Thanks for checking, I wonder what is the difference so that it is not in public
converity.
Can you please mention in commit log that it is internal coverity, to prevent
same confusion later?

> 
> 
>     >
>     > Fixes: 313ac35ac701 ("net/bnxt: support ULP session manager init")
>     >
>     > Signed-off-by: Kishore Padmanabha <kishore.padmanabha at broadcom.com
>     <mailto:kishore.padmanabha at broadcom.com>>
>     > Reviewed-by: Michael Baucom <michael.baucom at broadcom.com
>     <mailto:michael.baucom at broadcom.com>>
>     > Reviewed-by: Ajit Khaparde <ajit.khaparde at broadcom.com
>     <mailto:ajit.khaparde at broadcom.com>>
>     > ---
>     >  drivers/net/bnxt/tf_ulp/ulp_template_db.c | 2 +-
>     >  1 file changed, 1 insertion(+), 1 deletion(-)
>     >
>     > diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db.c
>     b/drivers/net/bnxt/tf_ulp/ulp_template_db.c
>     > index 86384169f..e89aefad4 100644
>     > --- a/drivers/net/bnxt/tf_ulp/ulp_template_db.c
>     > +++ b/drivers/net/bnxt/tf_ulp/ulp_template_db.c
>     > @@ -321,7 +321,7 @@ struct bnxt_ulp_def_ident_info ulp_def_ident_tbl[] = {
>     >       }
>     >  };
>     > 
>     > -struct bnxt_ulp_device_params ulp_device_params[] = {
>     > +struct bnxt_ulp_device_params ulp_device_params[BNXT_ULP_DEVICE_ID_LAST] = {
>     >       [BNXT_ULP_DEVICE_ID_WH_PLUS] = {
>     >               .global_fid_enable       = BNXT_ULP_SYM_YES,
>     >               .byte_order              = (enum bnxt_ulp_byte_order)
>     >
>