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gve: DQO: Fix off by one in gve_rx_dqo()

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The rx->dqo.buf_states[] array is allocated in gve_rx_alloc_ring_dqo()
and it has rx->dqo.num_buf_states so this > needs to >= to prevent an
out of bounds access.

Fixes: 9b8dd5e5ea ("gve: DQO: Add RX path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2021-06-29 11:25:13 +03:00 committed by David S. Miller
parent 66f1546dfd
commit ecd89c02da
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/google/gve/gve_rx_dqo.c
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@ -525,7 +525,7 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx,
struct gve_priv *priv = rx->gve;
u16 buf_len;
if (unlikely(buffer_id > rx->dqo.num_buf_states)) {
if (unlikely(buffer_id >= rx->dqo.num_buf_states)) {
net_err_ratelimited("%s: Invalid RX buffer_id=%u\n",
priv->dev->name, buffer_id);
return -EINVAL;