From d29e0d233e0d25ac680cb77662fca1193732c4a5 Mon Sep 17 00:00:00 2001 From: Martyna Szapar Date: Fri, 29 Mar 2019 15:08:39 -0700 Subject: [PATCH] i40e: missing input validation on VF message handling by the PF Patch is adding missing input validation on VF message handling by the PF to the functions with opcodes: VIRTCHNL_OP_CONFIG_VSI_QUEUES = 6 VIRTCHNL_OP_CONFIG_IRQ_MAP = 7, VIRTCHNL_OP_DISABLE_QUEUES = 9, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE = 14, Signed-off-by: Martyna Szapar Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- .../ethernet/intel/i40e/i40e_virtchnl_pf.c | 58 ++++++++++++++----- .../ethernet/intel/i40e/i40e_virtchnl_pf.h | 2 + 2 files changed, 46 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index d0e3677b7dc8..6a812eeaba8d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2014,6 +2014,16 @@ static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg) goto err_out; } + if (info->flags > I40E_MAX_VF_PROMISC_FLAGS) { + aq_ret = I40E_ERR_PARAM; + goto err_out; + } + + if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) { + aq_ret = I40E_ERR_PARAM; + goto err_out; + } + /* Multicast promiscuous handling*/ if (info->flags & FLAG_VF_MULTICAST_PROMISC) allmulti = true; @@ -2068,17 +2078,16 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) struct virtchnl_queue_pair_info *qpi; struct i40e_pf *pf = vf->pf; u16 vsi_id, vsi_queue_id = 0; + u16 num_qps_all = 0; i40e_status aq_ret = 0; int i, j = 0, idx = 0; - vsi_id = qci->vsi_id; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { aq_ret = I40E_ERR_PARAM; goto error_param; } - if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { + if (!i40e_vc_isvalid_vsi_id(vf, qci->vsi_id)) { aq_ret = I40E_ERR_PARAM; goto error_param; } @@ -2088,10 +2097,27 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) goto error_param; } + if (vf->adq_enabled) { + for (i = 0; i < I40E_MAX_VF_VSI; i++) + num_qps_all += vf->ch[i].num_qps; + if (num_qps_all != qci->num_queue_pairs) { + aq_ret = I40E_ERR_PARAM; + goto error_param; + } + } + + vsi_id = qci->vsi_id; + for (i = 0; i < qci->num_queue_pairs; i++) { qpi = &qci->qpair[i]; if (!vf->adq_enabled) { + if (!i40e_vc_isvalid_queue_id(vf, vsi_id, + qpi->txq.queue_id)) { + aq_ret = I40E_ERR_PARAM; + goto error_param; + } + vsi_queue_id = qpi->txq.queue_id; if (qpi->txq.vsi_id != qci->vsi_id || @@ -2102,10 +2128,8 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) } } - if (!i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { - aq_ret = I40E_ERR_PARAM; - goto error_param; - } + if (vf->adq_enabled) + vsi_id = vf->ch[idx].vsi_id; if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, &qpi->rxq) || @@ -2129,7 +2153,6 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) j++; vsi_queue_id++; } - vsi_id = vf->ch[idx].vsi_id; } } /* set vsi num_queue_pairs in use to num configured by VF */ @@ -2188,7 +2211,7 @@ static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg) struct virtchnl_irq_map_info *irqmap_info = (struct virtchnl_irq_map_info *)msg; struct virtchnl_vector_map *map; - u16 vsi_id, vector_id; + u16 vsi_id; i40e_status aq_ret = 0; int i; @@ -2197,16 +2220,21 @@ static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg) goto error_param; } + if (irqmap_info->num_vectors > + vf->pf->hw.func_caps.num_msix_vectors_vf) { + aq_ret = I40E_ERR_PARAM; + goto error_param; + } + for (i = 0; i < irqmap_info->num_vectors; i++) { map = &irqmap_info->vecmap[i]; - vector_id = map->vector_id; - vsi_id = map->vsi_id; /* validate msg params */ - if (!i40e_vc_isvalid_vector_id(vf, vector_id) || - !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { + if (!i40e_vc_isvalid_vector_id(vf, map->vector_id) || + !i40e_vc_isvalid_vsi_id(vf, map->vsi_id)) { aq_ret = I40E_ERR_PARAM; goto error_param; } + vsi_id = map->vsi_id; if (i40e_validate_queue_map(vf, vsi_id, map->rxq_map)) { aq_ret = I40E_ERR_PARAM; @@ -2354,7 +2382,9 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg) goto error_param; } - if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { + if ((vqs->rx_queues == 0 && vqs->tx_queues == 0) || + vqs->rx_queues > I40E_MAX_VF_QUEUES || + vqs->tx_queues > I40E_MAX_VF_QUEUES) { aq_ret = I40E_ERR_PARAM; goto error_param; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index f9621026beef..f65cc0c16550 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -17,6 +17,8 @@ #define I40E_VLAN_MASK 0xFFF #define I40E_PRIORITY_MASK 0xE000 +#define I40E_MAX_VF_PROMISC_FLAGS 3 + /* Various queue ctrls */ enum i40e_queue_ctrl { I40E_QUEUE_CTRL_UNKNOWN = 0, -- 2.30.2