[Intel-wired-lan] [iwl-net v3 3/5] ice: validate queue quanta parameters to prevent OOB access

[Romanowski, Rafal]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Martyna Szapar-Mudlaw
> Sent: Tuesday, March 4, 2025 12:09 PM
> To: intel-wired-lan at lists.osuosl.org
> Cc: netdev at vger.kernel.org; Glaza, Jan <jan.glaza at intel.com>; Jagielski, Jedrzej
> <jedrzej.jagielski at intel.com>; Simon Horman <horms at kernel.org>; Martyna
> Szapar-Mudlaw <martyna.szapar-mudlaw at linux.intel.com>
> Subject: [Intel-wired-lan] [iwl-net v3 3/5] ice: validate queue quanta parameters
> to prevent OOB access
> 
> From: Jan Glaza <jan.glaza at intel.com>
> 
> Add queue wraparound prevention in quanta configuration.
> Ensure end_qid does not overflow by validating start_qid and num_queues.
> 
> Fixes: 015307754a19 ("ice: Support VF queue rate limit and quanta size
> configuration")
> Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski at intel.com>
> Reviewed-by: Simon Horman <horms at kernel.org>
> Signed-off-by: Jan Glaza <jan.glaza at intel.com>
> Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-
> mudlaw at linux.intel.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_virtchnl.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c
> b/drivers/net/ethernet/intel/ice/ice_virtchnl.c
> index 343f2b4b0dc5..adb1bf12542f 100644
> --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c
> +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c
> @@ -1903,13 +1903,21 @@ static int ice_vc_cfg_q_bw(struct ice_vf *vf, u8

Tested-by: Rafal Romanowski <rafal.romanowski at intel.com>